Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent

20 files changed, 597 insertions, 236 deletions

diff --git a/drivers/net/mlx4/Makefile b/drivers/net/mlx4/Makefile
index 1fd068e1d93..d1aa45a1585 100644
--- a/drivers/net/mlx4/Makefile
+++ b/drivers/net/mlx4/Makefile
@@ -6,4 +6,4 @@ mlx4_core-y :=	alloc.o catas.o cmd.o cq.o eq.o fw.o icm.o intf.o main.o mcg.o \
 obj-$(CONFIG_MLX4_EN)               += mlx4_en.o
 
 mlx4_en-y := 	en_main.o en_tx.o en_rx.o en_ethtool.o en_port.o en_cq.o \
-		en_resources.o en_netdev.o
+		en_resources.o en_netdev.o en_selftest.o
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index 8c8515619b8..8f4bf1f07c1 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -74,7 +74,7 @@ void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj)
 
 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
 {
-	u32 obj, i;
+	u32 obj;
 
 	if (likely(cnt == 1 && align == 1))
 		return mlx4_bitmap_alloc(bitmap);
@@ -91,8 +91,7 @@ u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
 	}
 
 	if (obj < bitmap->max) {
-		for (i = 0; i < cnt; i++)
-			set_bit(obj + i, bitmap->table);
+		bitmap_set(bitmap->table, obj, cnt);
 		if (obj == bitmap->last) {
 			bitmap->last = (obj + cnt);
 			if (bitmap->last >= bitmap->max)
@@ -109,13 +108,10 @@ u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
 
 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
 {
-	u32 i;
-
 	obj &= bitmap->max + bitmap->reserved_top - 1;
 
 	spin_lock(&bitmap->lock);
-	for (i = 0; i < cnt; i++)
-		clear_bit(obj + i, bitmap->table);
+	bitmap_clear(bitmap->table, obj, cnt);
 	bitmap->last = min(bitmap->last, obj);
 	bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
 			& bitmap->mask;
@@ -125,8 +121,6 @@ void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
 		     u32 reserved_bot, u32 reserved_top)
 {
-	int i;
-
 	/* num must be a power of 2 */
 	if (num != roundup_pow_of_two(num))
 		return -EINVAL;
@@ -142,8 +136,7 @@ int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
 	if (!bitmap->table)
 		return -ENOMEM;
 
-	for (i = 0; i < reserved_bot; ++i)
-		set_bit(i, bitmap->table);
+	bitmap_set(bitmap->table, 0, reserved_bot);
 
 	return 0;
 }
@@ -188,7 +181,7 @@ int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
 		buf->nbufs       = (size + PAGE_SIZE - 1) / PAGE_SIZE;
 		buf->npages      = buf->nbufs;
 		buf->page_shift  = PAGE_SHIFT;
-		buf->page_list   = kzalloc(buf->nbufs * sizeof *buf->page_list,
+		buf->page_list   = kcalloc(buf->nbufs, sizeof(*buf->page_list),
 					   GFP_KERNEL);
 		if (!buf->page_list)
 			return -ENOMEM;
diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c
index b275238fe70..056152b3ff5 100644
--- a/drivers/net/mlx4/en_ethtool.c
+++ b/drivers/net/mlx4/en_ethtool.c
@@ -39,21 +39,6 @@
 #include "en_port.h"
 
 
-static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
-{
-	int i;
-
-	priv->port_stats.lro_aggregated = 0;
-	priv->port_stats.lro_flushed = 0;
-	priv->port_stats.lro_no_desc = 0;
-
-	for (i = 0; i < priv->rx_ring_num; i++) {
-		priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
-		priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
-		priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
-	}
-}
-
 static void
 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 {
@@ -112,7 +97,7 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
 	"tx_heartbeat_errors", "tx_window_errors",
 
 	/* port statistics */
-	"lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
+	"tso_packets",
 	"queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
 	"rx_csum_good", "rx_csum_none", "tx_chksum_offload",
 
@@ -125,6 +110,14 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
 #define NUM_MAIN_STATS	21
 #define NUM_ALL_STATS	(NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
 
+static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
+	"Interupt Test",
+	"Link Test",
+	"Speed Test",
+	"Register Test",
+	"Loopback Test",
+};
+
 static u32 mlx4_en_get_msglevel(struct net_device *dev)
 {
 	return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
@@ -146,10 +139,15 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 
-	if (sset != ETH_SS_STATS)
+	switch (sset) {
+	case ETH_SS_STATS:
+		return NUM_ALL_STATS +
+			(priv->tx_ring_num + priv->rx_ring_num) * 2;
+	case ETH_SS_TEST:
+		return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.loopback_support) * 2;
+	default:
 		return -EOPNOTSUPP;
-
-	return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
+	}
 }
 
 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
@@ -161,8 +159,6 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 
 	spin_lock_bh(&priv->stats_lock);
 
-	mlx4_en_update_lro_stats(priv);
-
 	for (i = 0; i < NUM_MAIN_STATS; i++)
 		data[index++] = ((unsigned long *) &priv->stats)[i];
 	for (i = 0; i < NUM_PORT_STATS; i++)
@@ -181,6 +177,12 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
 
 }
 
+static void mlx4_en_self_test(struct net_device *dev,
+			      struct ethtool_test *etest, u64 *buf)
+{
+	mlx4_en_ex_selftest(dev, &etest->flags, buf);
+}
+
 static void mlx4_en_get_strings(struct net_device *dev,
 				uint32_t stringset, uint8_t *data)
 {
@@ -188,44 +190,76 @@ static void mlx4_en_get_strings(struct net_device *dev,
 	int index = 0;
 	int i;
 
-	if (stringset != ETH_SS_STATS)
-		return;
-
-	/* Add main counters */
-	for (i = 0; i < NUM_MAIN_STATS; i++)
-		strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
-	for (i = 0; i < NUM_PORT_STATS; i++)
-		strcpy(data + (index++) * ETH_GSTRING_LEN,
+	switch (stringset) {
+	case ETH_SS_TEST:
+		for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
+			strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
+		if (priv->mdev->dev->caps.loopback_support)
+			for (; i < MLX4_EN_NUM_SELF_TEST; i++)
+				strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
+		break;
+
+	case ETH_SS_STATS:
+		/* Add main counters */
+		for (i = 0; i < NUM_MAIN_STATS; i++)
+			strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
+		for (i = 0; i< NUM_PORT_STATS; i++)
+			strcpy(data + (index++) * ETH_GSTRING_LEN,
 			main_strings[i + NUM_MAIN_STATS]);
-	for (i = 0; i < priv->tx_ring_num; i++) {
-		sprintf(data + (index++) * ETH_GSTRING_LEN,
-			"tx%d_packets", i);
-		sprintf(data + (index++) * ETH_GSTRING_LEN,
-			"tx%d_bytes", i);
-	}
-	for (i = 0; i < priv->rx_ring_num; i++) {
-		sprintf(data + (index++) * ETH_GSTRING_LEN,
-			"rx%d_packets", i);
-		sprintf(data + (index++) * ETH_GSTRING_LEN,
-			"rx%d_bytes", i);
-	}
-	for (i = 0; i < NUM_PKT_STATS; i++)
-		strcpy(data + (index++) * ETH_GSTRING_LEN,
+		for (i = 0; i < priv->tx_ring_num; i++) {
+			sprintf(data + (index++) * ETH_GSTRING_LEN,
+				"tx%d_packets", i);
+			sprintf(data + (index++) * ETH_GSTRING_LEN,
+				"tx%d_bytes", i);
+		}
+		for (i = 0; i < priv->rx_ring_num; i++) {
+			sprintf(data + (index++) * ETH_GSTRING_LEN,
+				"rx%d_packets", i);
+			sprintf(data + (index++) * ETH_GSTRING_LEN,
+				"rx%d_bytes", i);
+		}
+		for (i = 0; i< NUM_PKT_STATS; i++)
+			strcpy(data + (index++) * ETH_GSTRING_LEN,
 			main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
+		break;
+	}
 }
 
 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	int trans_type;
+
 	cmd->autoneg = AUTONEG_DISABLE;
 	cmd->supported = SUPPORTED_10000baseT_Full;
-	cmd->advertising = ADVERTISED_1000baseT_Full;
+	cmd->advertising = ADVERTISED_10000baseT_Full;
+
+	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
+		return -ENOMEM;
+
+	trans_type = priv->port_state.transciver;
 	if (netif_carrier_ok(dev)) {
-		cmd->speed = SPEED_10000;
+		cmd->speed = priv->port_state.link_speed;
 		cmd->duplex = DUPLEX_FULL;
 	} else {
 		cmd->speed = -1;
 		cmd->duplex = -1;
 	}
+
+	if (trans_type > 0 && trans_type <= 0xC) {
+		cmd->port = PORT_FIBRE;
+		cmd->transceiver = XCVR_EXTERNAL;
+		cmd->supported |= SUPPORTED_FIBRE;
+		cmd->advertising |= ADVERTISED_FIBRE;
+	} else if (trans_type == 0x80 || trans_type == 0) {
+		cmd->port = PORT_TP;
+		cmd->transceiver = XCVR_INTERNAL;
+		cmd->supported |= SUPPORTED_TP;
+		cmd->advertising |= ADVERTISED_TP;
+	} else  {
+		cmd->port = -1;
+		cmd->transceiver = -1;
+	}
 	return 0;
 }
 
@@ -343,8 +377,9 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
 	tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
 	tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
 
-	if (rx_size == priv->prof->rx_ring_size &&
-	    tx_size == priv->prof->tx_ring_size)
+	if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
+					priv->rx_ring[0].size) &&
+	    tx_size == priv->tx_ring[0].size)
 		return 0;
 
 	mutex_lock(&mdev->state_lock);
@@ -378,49 +413,13 @@ static void mlx4_en_get_ringparam(struct net_device *dev,
 				  struct ethtool_ringparam *param)
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
-	struct mlx4_en_dev *mdev = priv->mdev;
 
 	memset(param, 0, sizeof(*param));
 	param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
 	param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
-	param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
-	param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
-}
-
-static int mlx4_ethtool_op_set_flags(struct net_device *dev, u32 data)
-{
-	struct mlx4_en_priv *priv = netdev_priv(dev);
-	struct mlx4_en_dev *mdev = priv->mdev;
-	int rc = 0;
-	int changed = 0;
-
-	if (data & ~ETH_FLAG_LRO)
-		return -EOPNOTSUPP;
-
-	if (data & ETH_FLAG_LRO) {
-		if (mdev->profile.num_lro == 0)
-			return -EOPNOTSUPP;
-		if (!(dev->features & NETIF_F_LRO))
-			changed = 1;
-	} else if (dev->features & NETIF_F_LRO) {
-		changed = 1;
-	}
-
-	if (changed) {
-		if (netif_running(dev)) {
-			mutex_lock(&mdev->state_lock);
-			mlx4_en_stop_port(dev);
-		}
-		dev->features ^= NETIF_F_LRO;
-		if (netif_running(dev)) {
-			rc = mlx4_en_start_port(dev);
-			if (rc)
-				en_err(priv, "Failed to restart port\n");
-			mutex_unlock(&mdev->state_lock);
-		}
-	}
-
-	return rc;
+	param->rx_pending = priv->port_up ?
+		priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
+	param->tx_pending = priv->tx_ring[0].size;
 }
 
 const struct ethtool_ops mlx4_en_ethtool_ops = {
@@ -441,6 +440,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
 	.get_strings = mlx4_en_get_strings,
 	.get_sset_count = mlx4_en_get_sset_count,
 	.get_ethtool_stats = mlx4_en_get_ethtool_stats,
+	.self_test = mlx4_en_self_test,
 	.get_wol = mlx4_en_get_wol,
 	.get_msglevel = mlx4_en_get_msglevel,
 	.set_msglevel = mlx4_en_set_msglevel,
@@ -451,7 +451,6 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
 	.get_ringparam = mlx4_en_get_ringparam,
 	.set_ringparam = mlx4_en_set_ringparam,
 	.get_flags = ethtool_op_get_flags,
-	.set_flags = mlx4_ethtool_op_set_flags,
 };
 
 
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index 97934f1ec53..f6e0d40cd87 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -63,15 +63,12 @@ static const char mlx4_en_version[] =
  */
 
 
-/* Use a XOR rathern than Toeplitz hash function for RSS */
-MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS");
-
-/* RSS hash type mask - default to <saddr, daddr, sport, dport> */
-MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");
-
-/* Number of LRO sessions per Rx ring (rounded up to a power of two) */
-MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
-		 "Number of LRO sessions per ring or disabled (0)");
+/* Enable RSS TCP traffic */
+MLX4_EN_PARM_INT(tcp_rss, 1,
+		 "Enable RSS for incomming TCP traffic or disabled (0)");
+/* Enable RSS UDP traffic */
+MLX4_EN_PARM_INT(udp_rss, 1,
+		 "Enable RSS for incomming UDP traffic or disabled (0)");
 
 /* Priority pausing */
 MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
@@ -107,9 +104,12 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
 	struct mlx4_en_profile *params = &mdev->profile;
 	int i;
 
-	params->rss_xor = (rss_xor != 0);
-	params->rss_mask = rss_mask & 0x1f;
-	params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
+	params->tcp_rss = tcp_rss;
+	params->udp_rss = udp_rss;
+	if (params->udp_rss && !mdev->dev->caps.udp_rss) {
+		mlx4_warn(mdev, "UDP RSS is not supported on this device.\n");
+		params->udp_rss = 0;
+	}
 	for (i = 1; i <= MLX4_MAX_PORTS; i++) {
 		params->prof[i].rx_pause = 1;
 		params->prof[i].rx_ppp = pfcrx;
@@ -124,6 +124,13 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
 	return 0;
 }
 
+static void *mlx4_en_get_netdev(struct mlx4_dev *dev, void *ctx, u8 port)
+{
+	struct mlx4_en_dev *endev = ctx;
+
+	return endev->pndev[port];
+}
+
 static void mlx4_en_event(struct mlx4_dev *dev, void *endev_ptr,
 			  enum mlx4_dev_event event, int port)
 {
@@ -282,9 +289,11 @@ err_free_res:
 }
 
 static struct mlx4_interface mlx4_en_interface = {
-	.add	= mlx4_en_add,
-	.remove	= mlx4_en_remove,
-	.event	= mlx4_en_event,
+	.add		= mlx4_en_add,
+	.remove		= mlx4_en_remove,
+	.event		= mlx4_en_event,
+	.get_dev	= mlx4_en_get_netdev,
+	.protocol	= MLX4_PROTOCOL_EN,
 };
 
 static int __init mlx4_en_init(void)
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index a0d8a26f5a0..6d6806b361e 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -69,6 +69,7 @@ static void mlx4_en_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
 	int err;
+	int idx;
 
 	if (!priv->vlgrp)
 		return;
@@ -83,7 +84,10 @@ static void mlx4_en_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
 		if (err)
 			en_err(priv, "Failed configuring VLAN filter\n");
 	}
+	if (mlx4_register_vlan(mdev->dev, priv->port, vid, &idx))
+		en_err(priv, "failed adding vlan %d\n", vid);
 	mutex_unlock(&mdev->state_lock);
+
 }
 
 static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
@@ -91,6 +95,7 @@ static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
 	int err;
+	int idx;
 
 	if (!priv->vlgrp)
 		return;
@@ -101,6 +106,11 @@ static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 
 	/* Remove VID from port VLAN filter */
 	mutex_lock(&mdev->state_lock);
+	if (!mlx4_find_cached_vlan(mdev->dev, priv->port, vid, &idx))
+		mlx4_unregister_vlan(mdev->dev, priv->port, idx);
+	else
+		en_err(priv, "could not find vid %d in cache\n", vid);
+
 	if (mdev->device_up && priv->port_up) {
 		err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
 		if (err)
@@ -109,7 +119,7 @@ static void mlx4_en_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
 	mutex_unlock(&mdev->state_lock);
 }
 
-static u64 mlx4_en_mac_to_u64(u8 *addr)
+u64 mlx4_en_mac_to_u64(u8 *addr)
 {
 	u64 mac = 0;
 	int i;
@@ -513,6 +523,10 @@ static void mlx4_en_do_get_stats(struct work_struct *work)
 
 		queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
 	}
+	if (mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port]) {
+		queue_work(mdev->workqueue, &priv->mac_task);
+		mdev->mac_removed[MLX4_MAX_PORTS + 1 - priv->port] = 0;
+	}
 	mutex_unlock(&mdev->state_lock);
 }
 
@@ -528,10 +542,10 @@ static void mlx4_en_linkstate(struct work_struct *work)
 	 * report to system log */
 	if (priv->last_link_state != linkstate) {
 		if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) {
-			en_dbg(LINK, priv, "Link Down\n");
+			en_info(priv, "Link Down\n");
 			netif_carrier_off(priv->dev);
 		} else {
-			en_dbg(LINK, priv, "Link Up\n");
+			en_info(priv, "Link Up\n");
 			netif_carrier_on(priv->dev);
 		}
 	}
@@ -653,6 +667,7 @@ int mlx4_en_start_port(struct net_device *dev)
 		en_err(priv, "Failed setting port mac\n");
 		goto tx_err;
 	}
+	mdev->mac_removed[priv->port] = 0;
 
 	/* Init port */
 	en_dbg(HW, priv, "Initializing port\n");
@@ -704,12 +719,12 @@ void mlx4_en_stop_port(struct net_device *dev)
 	netif_tx_stop_all_queues(dev);
 	netif_tx_unlock_bh(dev);
 
-	/* close port*/
+	/* Set port as not active */
 	priv->port_up = false;
-	mlx4_CLOSE_PORT(mdev->dev, priv->port);
 
 	/* Unregister Mac address for the port */
 	mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
+	mdev->mac_removed[priv->port] = 1;
 
 	/* Free TX Rings */
 	for (i = 0; i < priv->tx_ring_num; i++) {
@@ -731,6 +746,9 @@ void mlx4_en_stop_port(struct net_device *dev)
 			msleep(1);
 		mlx4_en_deactivate_cq(priv, &priv->rx_cq[i]);
 	}
+
+	/* close port*/
+	mlx4_CLOSE_PORT(mdev->dev, priv->port);
 }
 
 static void mlx4_en_restart(struct work_struct *work)
@@ -1017,15 +1035,17 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	 */
 	dev->netdev_ops = &mlx4_netdev_ops;
 	dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT;
-	dev->real_num_tx_queues = MLX4_EN_NUM_TX_RINGS;
+	netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
+	netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
 
 	SET_ETHTOOL_OPS(dev, &mlx4_en_ethtool_ops);
 
 	/* Set defualt MAC */
 	dev->addr_len = ETH_ALEN;
-	for (i = 0; i < ETH_ALEN; i++)
-		dev->dev_addr[ETH_ALEN - 1 - i] =
-		(u8) (priv->mac >> (8 * i));
+	for (i = 0; i < ETH_ALEN; i++) {
+		dev->dev_addr[ETH_ALEN - 1 - i] = (u8) (priv->mac >> (8 * i));
+		dev->perm_addr[ETH_ALEN - 1 - i] = (u8) (priv->mac >> (8 * i));
+	}
 
 	/*
 	 * Set driver features
@@ -1038,8 +1058,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	dev->features |= NETIF_F_HW_VLAN_TX |
 			 NETIF_F_HW_VLAN_RX |
 			 NETIF_F_HW_VLAN_FILTER;
-	if (mdev->profile.num_lro)
-		dev->features |= NETIF_F_LRO;
+	dev->features |= NETIF_F_GRO;
 	if (mdev->LSO_support) {
 		dev->features |= NETIF_F_TSO;
 		dev->features |= NETIF_F_TSO6;
diff --git a/drivers/net/mlx4/en_port.c b/drivers/net/mlx4/en_port.c
index a29abe845d2..7f5a3221e0c 100644
--- a/drivers/net/mlx4/en_port.c
+++ b/drivers/net/mlx4/en_port.c
@@ -127,8 +127,8 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
 	memset(context, 0, sizeof *context);
 
 	context->base_qpn = cpu_to_be32(base_qpn);
-	context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT | base_qpn);
-	context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_SHIFT | base_qpn);
+	context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_EN_SHIFT | base_qpn);
+	context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_MODE_SHIFT | base_qpn);
 	context->intra_no_vlan = 0;
 	context->no_vlan = MLX4_NO_VLAN_IDX;
 	context->intra_vlan_miss = 0;
@@ -142,6 +142,38 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
 	return err;
 }
 
+int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
+{
+	struct mlx4_en_query_port_context *qport_context;
+	struct mlx4_en_priv *priv = netdev_priv(mdev->pndev[port]);
+	struct mlx4_en_port_state *state = &priv->port_state;
+	struct mlx4_cmd_mailbox *mailbox;
+	int err;
+
+	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+	memset(mailbox->buf, 0, sizeof(*qport_context));
+	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
+			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B);
+	if (err)
+		goto out;
+	qport_context = mailbox->buf;
+
+	/* This command is always accessed from Ethtool context
+	 * already synchronized, no need in locking */
+	state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
+	if ((qport_context->link_speed & MLX4_EN_SPEED_MASK) ==
+	    MLX4_EN_1G_SPEED)
+		state->link_speed = 1000;
+	else
+		state->link_speed = 10000;
+	state->transciver = qport_context->transceiver;
+
+out:
+	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+	return err;
+}
 
 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
 {
diff --git a/drivers/net/mlx4/en_port.h b/drivers/net/mlx4/en_port.h
index e6477f12beb..092e814b198 100644
--- a/drivers/net/mlx4/en_port.h
+++ b/drivers/net/mlx4/en_port.h
@@ -36,7 +36,8 @@
 
 
 #define SET_PORT_GEN_ALL_VALID	0x7
-#define SET_PORT_PROMISC_SHIFT	31
+#define SET_PORT_PROMISC_EN_SHIFT	31
+#define SET_PORT_PROMISC_MODE_SHIFT	30
 
 enum {
 	MLX4_CMD_SET_VLAN_FLTR  = 0x47,
@@ -84,6 +85,20 @@ enum {
 	MLX4_MCAST_ENABLE       = 2,
 };
 
+struct mlx4_en_query_port_context {
+	u8 link_up;
+#define MLX4_EN_LINK_UP_MASK	0x80
+	u8 reserved;
+	__be16 mtu;
+	u8 reserved2;
+	u8 link_speed;
+#define MLX4_EN_SPEED_MASK	0x3
+#define MLX4_EN_1G_SPEED	0x2
+	u16 reserved3[5];
+	__be64 mac;
+	u8 transceiver;
+};
+
 
 struct mlx4_en_stat_out_mbox {
 	/* Received frames with a length of 64 octets */
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 8e2fcb7103c..570f2508fb3 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -42,18 +42,6 @@
 #include "mlx4_en.h"
 
 
-static int mlx4_en_get_frag_header(struct skb_frag_struct *frags, void **mac_hdr,
-				   void **ip_hdr, void **tcpudp_hdr,
-				   u64 *hdr_flags, void *priv)
-{
-	*mac_hdr = page_address(frags->page) + frags->page_offset;
-	*ip_hdr = *mac_hdr + ETH_HLEN;
-	*tcpudp_hdr = (struct tcphdr *)(*ip_hdr + sizeof(struct iphdr));
-	*hdr_flags = LRO_IPV4 | LRO_TCP;
-
-	return 0;
-}
-
 static int mlx4_en_alloc_frag(struct mlx4_en_priv *priv,
 			      struct mlx4_en_rx_desc *rx_desc,
 			      struct skb_frag_struct *skb_frags,
@@ -251,7 +239,6 @@ reduce_rings:
 			ring->prod--;
 			mlx4_en_free_rx_desc(priv, ring, ring->actual_size);
 		}
-		ring->size_mask = ring->actual_size - 1;
 	}
 
 	return 0;
@@ -313,28 +300,8 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 	}
 	ring->buf = ring->wqres.buf.direct.buf;
 
-	/* Configure lro mngr */
-	memset(&ring->lro, 0, sizeof(struct net_lro_mgr));
-	ring->lro.dev = priv->dev;
-	ring->lro.features = LRO_F_NAPI;
-	ring->lro.frag_align_pad = NET_IP_ALIGN;
-	ring->lro.ip_summed = CHECKSUM_UNNECESSARY;
-	ring->lro.ip_summed_aggr = CHECKSUM_UNNECESSARY;
-	ring->lro.max_desc = mdev->profile.num_lro;
-	ring->lro.max_aggr = MAX_SKB_FRAGS;
-	ring->lro.lro_arr = kzalloc(mdev->profile.num_lro *
-				    sizeof(struct net_lro_desc),
-				    GFP_KERNEL);
-	if (!ring->lro.lro_arr) {
-		en_err(priv, "Failed to allocate lro array\n");
-		goto err_map;
-	}
-	ring->lro.get_frag_header = mlx4_en_get_frag_header;
-
 	return 0;
 
-err_map:
-	mlx4_en_unmap_buffer(&ring->wqres.buf);
 err_hwq:
 	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size);
 err_ring:
@@ -389,6 +356,7 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
 	for (ring_ind = 0; ring_ind < priv->rx_ring_num; ring_ind++) {
 		ring = &priv->rx_ring[ring_ind];
 
+		ring->size_mask = ring->actual_size - 1;
 		mlx4_en_update_rx_prod_db(ring);
 	}
 
@@ -412,7 +380,6 @@ void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
 {
 	struct mlx4_en_dev *mdev = priv->mdev;
 
-	kfree(ring->lro.lro_arr);
 	mlx4_en_unmap_buffer(&ring->wqres.buf);
 	mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size + TXBB_SIZE);
 	vfree(ring->rx_info);
@@ -459,7 +426,7 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
 			goto fail;
 
 		/* Unmap buffer */
-		pci_unmap_single(mdev->pdev, dma, skb_frags[nr].size,
+		pci_unmap_single(mdev->pdev, dma, skb_frags_rx[nr].size,
 				 PCI_DMA_FROMDEVICE);
 	}
 	/* Adjust size of last fragment to match actual length */
@@ -541,6 +508,21 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv,
 	return skb;
 }
 
+static void validate_loopback(struct mlx4_en_priv *priv, struct sk_buff *skb)
+{
+	int i;
+	int offset = ETH_HLEN;
+
+	for (i = 0; i < MLX4_LOOPBACK_TEST_PAYLOAD; i++, offset++) {
+		if (*(skb->data + offset) != (unsigned char) (i & 0xff))
+			goto out_loopback;
+	}
+	/* Loopback found */
+	priv->loopback_ok = 1;
+
+out_loopback:
+	dev_kfree_skb_any(skb);
+}
 
 int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int budget)
 {
@@ -548,7 +530,6 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 	struct mlx4_cqe *cqe;
 	struct mlx4_en_rx_ring *ring = &priv->rx_ring[cq->ring];
 	struct skb_frag_struct *skb_frags;
-	struct skb_frag_struct lro_frags[MLX4_EN_MAX_RX_FRAGS];
 	struct mlx4_en_rx_desc *rx_desc;
 	struct sk_buff *skb;
 	int index;
@@ -608,37 +589,35 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 				 * - TCP/IP (v4)
 				 * - without IP options
 				 * - not an IP fragment */
-				if (mlx4_en_can_lro(cqe->status) &&
-				    dev->features & NETIF_F_LRO) {
+				if (dev->features & NETIF_F_GRO) {
+					struct sk_buff *gro_skb = napi_get_frags(&cq->napi);
+					if (!gro_skb)
+						goto next;
 
 					nr = mlx4_en_complete_rx_desc(
 						priv, rx_desc,
-						skb_frags, lro_frags,
+						skb_frags, skb_shinfo(gro_skb)->frags,
 						ring->page_alloc, length);
 					if (!nr)
 						goto next;
 
+					skb_shinfo(gro_skb)->nr_frags = nr;
+					gro_skb->len = length;
+					gro_skb->data_len = length;
+					gro_skb->truesize += length;
+					gro_skb->ip_summed = CHECKSUM_UNNECESSARY;
+
 					if (priv->vlgrp && (cqe->vlan_my_qpn &
-							    cpu_to_be32(MLX4_CQE_VLAN_PRESENT_MASK))) {
-						lro_vlan_hwaccel_receive_frags(
-						       &ring->lro, lro_frags,
-						       length, length,
-						       priv->vlgrp,
-						       be16_to_cpu(cqe->sl_vid),
-						       NULL, 0);
-					} else
-						lro_receive_frags(&ring->lro,
-								  lro_frags,
-								  length,
-								  length,
-								  NULL, 0);
+							    cpu_to_be32(MLX4_CQE_VLAN_PRESENT_MASK)))
+						vlan_gro_frags(&cq->napi, priv->vlgrp, be16_to_cpu(cqe->sl_vid));
+					else
+						napi_gro_frags(&cq->napi);
 
 					goto next;
 				}
 
 				/* LRO not possible, complete processing here */
 				ip_summed = CHECKSUM_UNNECESSARY;
-				INC_PERF_COUNTER(priv->pstats.lro_misses);
 			} else {
 				ip_summed = CHECKSUM_NONE;
 				priv->port_stats.rx_chksum_none++;
@@ -655,6 +634,11 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
 			goto next;
 		}
 
+                if (unlikely(priv->validate_loopback)) {
+			validate_loopback(priv, skb);
+			goto next;
+		}
+
 		skb->ip_summed = ip_summed;
 		skb->protocol = eth_type_trans(skb, dev);
 		skb_record_rx_queue(skb, cq->ring);
@@ -674,14 +658,10 @@ next:
 		if (++polled == budget) {
 			/* We are here because we reached the NAPI budget -
 			 * flush only pending LRO sessions */
-			lro_flush_all(&ring->lro);
 			goto out;
 		}
 	}
 
-	/* If CQ is empty flush all LRO sessions unconditionally */
-	lro_flush_all(&ring->lro);
-
 out:
 	AVG_PERF_COUNTER(priv->pstats.rx_coal_avg, polled);
 	mlx4_cq_set_ci(&cq->mcq);
@@ -816,7 +796,7 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
 	qp->event = mlx4_en_sqp_event;
 
 	memset(context, 0, sizeof *context);
-	mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 0, 0,
+	mlx4_en_fill_qp_context(priv, ring->actual_size, ring->stride, 0, 0,
 				qpn, ring->cqn, context);
 	context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
 
@@ -839,8 +819,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
 	struct mlx4_qp_context context;
 	struct mlx4_en_rss_context *rss_context;
 	void *ptr;
-	int rss_xor = mdev->profile.rss_xor;
-	u8 rss_mask = mdev->profile.rss_mask;
+	u8 rss_mask = 0x3f;
 	int i, qpn;
 	int err = 0;
 	int good_qps = 0;
@@ -886,9 +865,10 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
 	rss_context->base_qpn = cpu_to_be32(ilog2(priv->rx_ring_num) << 24 |
 					    (rss_map->base_qpn));
 	rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);
-	rss_context->hash_fn = rss_xor & 0x3;
-	rss_context->flags = rss_mask << 2;
+	rss_context->flags = rss_mask;
 
+	if (priv->mdev->profile.udp_rss)
+		rss_context->base_qpn_udp = rss_context->default_qpn;
 	err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context,
 			       &rss_map->indir_qp, &rss_map->indir_state);
 	if (err)
diff --git a/drivers/net/mlx4/en_selftest.c b/drivers/net/mlx4/en_selftest.c
new file mode 100644
index 00000000000..9c91a92da70
--- /dev/null
+++ b/drivers/net/mlx4/en_selftest.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+#include <linux/mlx4/driver.h>
+
+#include "mlx4_en.h"
+
+
+static int mlx4_en_test_registers(struct mlx4_en_priv *priv)
+{
+	return mlx4_cmd(priv->mdev->dev, 0, 0, 0, MLX4_CMD_HW_HEALTH_CHECK,
+			MLX4_CMD_TIME_CLASS_A);
+}
+
+static int mlx4_en_test_loopback_xmit(struct mlx4_en_priv *priv)
+{
+	struct sk_buff *skb;
+	struct ethhdr *ethh;
+	unsigned char *packet;
+	unsigned int packet_size = MLX4_LOOPBACK_TEST_PAYLOAD;
+	unsigned int i;
+	int err;
+
+
+	/* build the pkt before xmit */
+	skb = netdev_alloc_skb(priv->dev, MLX4_LOOPBACK_TEST_PAYLOAD + ETH_HLEN + NET_IP_ALIGN);
+	if (!skb) {
+		en_err(priv, "-LOOPBACK_TEST_XMIT- failed to create skb for xmit\n");
+		return -ENOMEM;
+	}
+	skb_reserve(skb, NET_IP_ALIGN);
+
+	ethh = (struct ethhdr *)skb_put(skb, sizeof(struct ethhdr));
+	packet	= (unsigned char *)skb_put(skb, packet_size);
+	memcpy(ethh->h_dest, priv->dev->dev_addr, ETH_ALEN);
+	memset(ethh->h_source, 0, ETH_ALEN);
+	ethh->h_proto = htons(ETH_P_ARP);
+	skb_set_mac_header(skb, 0);
+	for (i = 0; i < packet_size; ++i)	/* fill our packet */
+		packet[i] = (unsigned char)(i & 0xff);
+
+	/* xmit the pkt */
+	err = mlx4_en_xmit(skb, priv->dev);
+	return err;
+}
+
+static int mlx4_en_test_loopback(struct mlx4_en_priv *priv)
+{
+	u32 loopback_ok = 0;
+	int i;
+
+
+        priv->loopback_ok = 0;
+	priv->validate_loopback = 1;
+
+	/* xmit */
+	if (mlx4_en_test_loopback_xmit(priv)) {
+		en_err(priv, "Transmitting loopback packet failed\n");
+		goto mlx4_en_test_loopback_exit;
+	}
+
+	/* polling for result */
+	for (i = 0; i < MLX4_EN_LOOPBACK_RETRIES; ++i) {
+		msleep(MLX4_EN_LOOPBACK_TIMEOUT);
+		if (priv->loopback_ok) {
+			loopback_ok = 1;
+			break;
+		}
+	}
+	if (!loopback_ok)
+		en_err(priv, "Loopback packet didn't arrive\n");
+
+mlx4_en_test_loopback_exit:
+
+	priv->validate_loopback = 0;
+	return !loopback_ok;
+}
+
+
+static int mlx4_en_test_link(struct mlx4_en_priv *priv)
+{
+	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
+		return -ENOMEM;
+	if (priv->port_state.link_state == 1)
+		return 0;
+	else
+		return 1;
+}
+
+static int mlx4_en_test_speed(struct mlx4_en_priv *priv)
+{
+
+	if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
+		return -ENOMEM;
+
+	/* The device currently only supports 10G speed */
+	if (priv->port_state.link_speed != SPEED_10000)
+		return priv->port_state.link_speed;
+	return 0;
+}
+
+
+void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
+{
+	struct mlx4_en_priv *priv = netdev_priv(dev);
+	struct mlx4_en_dev *mdev = priv->mdev;
+	struct mlx4_en_tx_ring *tx_ring;
+	int i, carrier_ok;
+
+	memset(buf, 0, sizeof(u64) * MLX4_EN_NUM_SELF_TEST);
+
+	if (*flags & ETH_TEST_FL_OFFLINE) {
+		/* disable the interface */
+		carrier_ok = netif_carrier_ok(dev);
+
+		netif_carrier_off(dev);
+retry_tx:
+		/* Wait untill all tx queues are empty.
+		 * there should not be any additional incoming traffic
+		 * since we turned the carrier off */
+		msleep(200);
+		for (i = 0; i < priv->tx_ring_num && carrier_ok; i++) {
+			tx_ring = &priv->tx_ring[i];
+			if (tx_ring->prod != (tx_ring->cons + tx_ring->last_nr_txbb))
+				goto retry_tx;
+		}
+
+		if (priv->mdev->dev->caps.loopback_support){
+			buf[3] = mlx4_en_test_registers(priv);
+			buf[4] = mlx4_en_test_loopback(priv);
+		}
+
+		if (carrier_ok)
+			netif_carrier_on(dev);
+
+	}
+	buf[0] = mlx4_test_interrupts(mdev->dev);
+	buf[1] = mlx4_en_test_link(priv);
+	buf[2] = mlx4_en_test_speed(priv);
+
+	for (i = 0; i < MLX4_EN_NUM_SELF_TEST; i++) {
+		if (buf[i])
+			*flags |= ETH_TEST_FL_FAILED;
+	}
+}
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 580968f304e..a680cd4a5ab 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -38,6 +38,7 @@
 #include <linux/skbuff.h>
 #include <linux/if_vlan.h>
 #include <linux/vmalloc.h>
+#include <linux/tcp.h>
 
 #include "mlx4_en.h"
 
@@ -582,7 +583,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
 	/* If we support per priority flow control and the packet contains
 	 * a vlan tag, send the packet to the TX ring assigned to that priority
 	 */
-	if (priv->prof->rx_ppp && priv->vlgrp && vlan_tx_tag_present(skb)) {
+	if (priv->prof->rx_ppp && vlan_tx_tag_present(skb)) {
 		vlan_tag = vlan_tx_tag_get(skb);
 		return MLX4_EN_NUM_TX_RINGS + (vlan_tag >> 13);
 	}
@@ -600,6 +601,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct mlx4_wqe_data_seg *data;
 	struct skb_frag_struct *frag;
 	struct mlx4_en_tx_info *tx_info;
+	struct ethhdr *ethh;
+	u64 mac;
+	u32 mac_l, mac_h;
 	int tx_ind = 0;
 	int nr_txbb;
 	int desc_size;
@@ -612,6 +616,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	int lso_header_size;
 	void *fragptr;
 
+	if (!priv->port_up)
+		goto tx_drop;
+
 	real_size = get_real_size(skb, dev, &lso_header_size);
 	if (unlikely(!real_size))
 		goto tx_drop;
@@ -627,7 +634,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	tx_ind = skb->queue_mapping;
 	ring = &priv->tx_ring[tx_ind];
-	if (priv->vlgrp && vlan_tx_tag_present(skb))
+	if (vlan_tx_tag_present(skb))
 		vlan_tag = vlan_tx_tag_get(skb);
 
 	/* Check available TXBBs And 2K spare for prefetch */
@@ -676,6 +683,19 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 		priv->port_stats.tx_chksum_offload++;
 	}
 
+	if (unlikely(priv->validate_loopback)) {
+		/* Copy dst mac address to wqe */
+		skb_reset_mac_header(skb);
+		ethh = eth_hdr(skb);
+		if (ethh && ethh->h_dest) {
+			mac = mlx4_en_mac_to_u64(ethh->h_dest);
+			mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16);
+			mac_l = (u32) (mac & 0xffffffff);
+			tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h);
+			tx_desc->ctrl.imm = cpu_to_be32(mac_l);
+		}
+	}
+
 	/* Handle LSO (TSO) packets */
 	if (lso_header_size) {
 		/* Mark opcode as LSO */
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 6d7b2bf210c..552d0fce6f6 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -699,3 +699,47 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev)
 
 	kfree(priv->eq_table.uar_map);
 }
+
+/* A test that verifies that we can accept interrupts on all
+ * the irq vectors of the device.
+ * Interrupts are checked using the NOP command.
+ */
+int mlx4_test_interrupts(struct mlx4_dev *dev)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	int i;
+	int err;
+
+	err = mlx4_NOP(dev);
+	/* When not in MSI_X, there is only one irq to check */
+	if (!(dev->flags & MLX4_FLAG_MSI_X))
+		return err;
+
+	/* A loop over all completion vectors, for each vector we will check
+	 * whether it works by mapping command completions to that vector
+	 * and performing a NOP command
+	 */
+	for(i = 0; !err && (i < dev->caps.num_comp_vectors); ++i) {
+		/* Temporary use polling for command completions */
+		mlx4_cmd_use_polling(dev);
+
+		/* Map the new eq to handle all asyncronous events */
+		err = mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0,
+				  priv->eq_table.eq[i].eqn);
+		if (err) {
+			mlx4_warn(dev, "Failed mapping eq for interrupt test\n");
+			mlx4_cmd_use_events(dev);
+			break;
+		}
+
+		/* Go back to using events */
+		mlx4_cmd_use_events(dev);
+		err = mlx4_NOP(dev);
+	}
+
+	/* Return to default */
+	mlx4_MAP_EQ(dev, MLX4_ASYNC_EVENT_MASK, 0,
+		    priv->eq_table.eq[dev->caps.num_comp_vectors].eqn);
+	return err;
+}
+EXPORT_SYMBOL(mlx4_test_interrupts);
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 04f42ae1eda..b68eee2414c 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -98,7 +98,8 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
 		[20] = "Address vector port checking support",
 		[21] = "UD multicast support",
 		[24] = "Demand paging support",
-		[25] = "Router support"
+		[25] = "Router support",
+		[30] = "IBoE support"
 	};
 	int i;
 
@@ -141,6 +142,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	struct mlx4_cmd_mailbox *mailbox;
 	u32 *outbox;
 	u8 field;
+	u32 field32;
 	u16 size;
 	u16 stat_rate;
 	int err;
@@ -178,6 +180,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 #define QUERY_DEV_CAP_MAX_GID_OFFSET		0x3b
 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET	0x3c
 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET		0x3f
+#define QUERY_DEV_CAP_UDP_RSS_OFFSET		0x42
+#define QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET	0x43
 #define QUERY_DEV_CAP_FLAGS_OFFSET		0x44
 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET		0x48
 #define QUERY_DEV_CAP_UAR_SZ_OFFSET		0x49
@@ -268,6 +272,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev_cap->max_msg_sz = 1 << (field & 0x1f);
 	MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET);
 	dev_cap->stat_rate_support = stat_rate;
+	MLX4_GET(field, outbox, QUERY_DEV_CAP_UDP_RSS_OFFSET);
+	dev_cap->udp_rss = field & 0x1;
+	MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
+	dev_cap->loopback_support = field & 0x1;
 	MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
 	MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
 	dev_cap->reserved_uars = field >> 4;
@@ -365,6 +373,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 #define QUERY_PORT_MAX_MACVLAN_OFFSET		0x0a
 #define QUERY_PORT_MAX_VL_OFFSET		0x0b
 #define QUERY_PORT_MAC_OFFSET			0x10
+#define QUERY_PORT_TRANS_VENDOR_OFFSET		0x18
+#define QUERY_PORT_WAVELENGTH_OFFSET		0x1c
+#define QUERY_PORT_TRANS_CODE_OFFSET		0x20
 
 		for (i = 1; i <= dev_cap->num_ports; ++i) {
 			err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT,
@@ -388,6 +399,11 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 			dev_cap->log_max_vlans[i] = field >> 4;
 			MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET);
 			MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET);
+			MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET);
+			dev_cap->trans_type[i] = field32 >> 24;
+			dev_cap->vendor_oui[i] = field32 & 0xffffff;
+			MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET);
+			MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET);
 		}
 	}
 
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index 526d7f30c04..65cc72eb899 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -73,7 +73,13 @@ struct mlx4_dev_cap {
 	int max_pkeys[MLX4_MAX_PORTS + 1];
 	u64 def_mac[MLX4_MAX_PORTS + 1];
 	u16 eth_mtu[MLX4_MAX_PORTS + 1];
+	int trans_type[MLX4_MAX_PORTS + 1];
+	int vendor_oui[MLX4_MAX_PORTS + 1];
+	u16 wavelength[MLX4_MAX_PORTS + 1];
+	u64 trans_code[MLX4_MAX_PORTS + 1];
 	u16 stat_rate_support;
+	int udp_rss;
+	int loopback_support;
 	u32 flags;
 	int reserved_uars;
 	int uar_size;
diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index b07e4dee80a..02393fdf44c 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -210,38 +210,12 @@ static int mlx4_MAP_ICM(struct mlx4_dev *dev, struct mlx4_icm *icm, u64 virt)
 	return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM, icm, virt);
 }
 
-int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count)
+static int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count)
 {
 	return mlx4_cmd(dev, virt, page_count, 0, MLX4_CMD_UNMAP_ICM,
 			MLX4_CMD_TIME_CLASS_B);
 }
 
-int mlx4_MAP_ICM_page(struct mlx4_dev *dev, u64 dma_addr, u64 virt)
-{
-	struct mlx4_cmd_mailbox *mailbox;
-	__be64 *inbox;
-	int err;
-
-	mailbox = mlx4_alloc_cmd_mailbox(dev);
-	if (IS_ERR(mailbox))
-		return PTR_ERR(mailbox);
-	inbox = mailbox->buf;
-
-	inbox[0] = cpu_to_be64(virt);
-	inbox[1] = cpu_to_be64(dma_addr);
-
-	err = mlx4_cmd(dev, mailbox->dma, 1, 0, MLX4_CMD_MAP_ICM,
-		       MLX4_CMD_TIME_CLASS_B);
-
-	mlx4_free_cmd_mailbox(dev, mailbox);
-
-	if (!err)
-		mlx4_dbg(dev, "Mapped page at %llx to %llx for ICM.\n",
-			  (unsigned long long) dma_addr, (unsigned long long) virt);
-
-	return err;
-}
-
 int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm)
 {
 	return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM_AUX, icm, -1);
diff --git a/drivers/net/mlx4/icm.h b/drivers/net/mlx4/icm.h
index ab56a2f89b6..b10c07a1dc1 100644
--- a/drivers/net/mlx4/icm.h
+++ b/drivers/net/mlx4/icm.h
@@ -128,8 +128,6 @@ static inline unsigned long mlx4_icm_size(struct mlx4_icm_iter *iter)
 	return sg_dma_len(&iter->chunk->mem[iter->page_idx]);
 }
 
-int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count);
-int mlx4_MAP_ICM_page(struct mlx4_dev *dev, u64 dma_addr, u64 virt);
 int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm);
 int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev);
 
diff --git a/drivers/net/mlx4/intf.c b/drivers/net/mlx4/intf.c
index 55506780275..73c94fcdfdd 100644
--- a/drivers/net/mlx4/intf.c
+++ b/drivers/net/mlx4/intf.c
@@ -161,3 +161,24 @@ void mlx4_unregister_device(struct mlx4_dev *dev)
 
 	mutex_unlock(&intf_mutex);
 }
+
+void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port)
+{
+	struct mlx4_priv *priv = mlx4_priv(dev);
+	struct mlx4_device_context *dev_ctx;
+	unsigned long flags;
+	void *result = NULL;
+
+	spin_lock_irqsave(&priv->ctx_lock, flags);
+
+	list_for_each_entry(dev_ctx, &priv->ctx_list, list)
+		if (dev_ctx->intf->protocol == proto && dev_ctx->intf->get_dev) {
+			result = dev_ctx->intf->get_dev(dev, dev_ctx->context, port);
+			break;
+		}
+
+	spin_unlock_irqrestore(&priv->ctx_lock, flags);
+
+	return result;
+}
+EXPORT_SYMBOL_GPL(mlx4_get_protocol_dev);
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 5102ab1ac56..782f11d8fa7 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -103,7 +103,7 @@ MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
 
 static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
 module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
-MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
+MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)");
 
 int mlx4_check_port_params(struct mlx4_dev *dev,
 			   enum mlx4_port_type *port_type)
@@ -184,6 +184,10 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 		dev->caps.eth_mtu_cap[i]    = dev_cap->eth_mtu[i];
 		dev->caps.def_mac[i]        = dev_cap->def_mac[i];
 		dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
+		dev->caps.trans_type[i]	    = dev_cap->trans_type[i];
+		dev->caps.vendor_oui[i]     = dev_cap->vendor_oui[i];
+		dev->caps.wavelength[i]     = dev_cap->wavelength[i];
+		dev->caps.trans_code[i]     = dev_cap->trans_code[i];
 	}
 
 	dev->caps.num_uars	     = dev_cap->uar_size / PAGE_SIZE;
@@ -221,6 +225,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.bmme_flags	     = dev_cap->bmme_flags;
 	dev->caps.reserved_lkey	     = dev_cap->reserved_lkey;
 	dev->caps.stat_rate_support  = dev_cap->stat_rate_support;
+	dev->caps.udp_rss	     = dev_cap->udp_rss;
+	dev->caps.loopback_support   = dev_cap->loopback_support;
 	dev->caps.max_gso_sz	     = dev_cap->max_gso_sz;
 
 	dev->caps.log_num_macs  = log_num_mac;
@@ -1304,7 +1310,7 @@ static int __init mlx4_verify_params(void)
 		return -1;
 	}
 
-	if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
+	if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) {
 		pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
 		return -1;
 	}
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 449210994ee..dfed6a07c2d 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -38,19 +38,19 @@
 #include <linux/list.h>
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
-#include <linux/inet_lro.h>
 
 #include <linux/mlx4/device.h>
 #include <linux/mlx4/qp.h>
 #include <linux/mlx4/cq.h>
 #include <linux/mlx4/srq.h>
 #include <linux/mlx4/doorbell.h>
+#include <linux/mlx4/cmd.h>
 
 #include "en_port.h"
 
 #define DRV_NAME	"mlx4_en"
-#define DRV_VERSION	"1.4.1.1"
-#define DRV_RELDATE	"June 2009"
+#define DRV_VERSION	"1.5.1.6"
+#define DRV_RELDATE	"August 2010"
 
 #define MLX4_EN_MSG_LEVEL	(NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
 
@@ -61,7 +61,6 @@
 
 #define MLX4_EN_PAGE_SHIFT	12
 #define MLX4_EN_PAGE_SIZE	(1 << MLX4_EN_PAGE_SHIFT)
-#define MAX_TX_RINGS		16
 #define MAX_RX_RINGS		16
 #define TXBB_SIZE		64
 #define HEADROOM		(2048 / TXBB_SIZE + 1)
@@ -107,6 +106,7 @@ enum {
 #define MLX4_EN_SMALL_PKT_SIZE		64
 #define MLX4_EN_NUM_TX_RINGS		8
 #define MLX4_EN_NUM_PPP_RINGS		8
+#define MAX_TX_RINGS			(MLX4_EN_NUM_TX_RINGS + MLX4_EN_NUM_PPP_RINGS)
 #define MLX4_EN_DEF_TX_RING_SIZE	512
 #define MLX4_EN_DEF_RX_RING_SIZE  	1024
 
@@ -139,10 +139,14 @@ enum {
 
 #define SMALL_PACKET_SIZE      (256 - NET_IP_ALIGN)
 #define HEADER_COPY_SIZE       (128 - NET_IP_ALIGN)
+#define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN)
 
 #define MLX4_EN_MIN_MTU		46
 #define ETH_BCAST		0xffffffffffffULL
 
+#define MLX4_EN_LOOPBACK_RETRIES	5
+#define MLX4_EN_LOOPBACK_TIMEOUT	100
+
 #ifdef MLX4_EN_PERF_STAT
 /* Number of samples to 'average' */
 #define AVG_SIZE			128
@@ -249,7 +253,6 @@ struct mlx4_en_rx_desc {
 struct mlx4_en_rx_ring {
 	struct mlx4_hwq_resources wqres;
 	struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS];
-	struct net_lro_mgr lro;
 	u32 size ;	/* number of Rx descs*/
 	u32 actual_size;
 	u32 size_mask;
@@ -313,7 +316,8 @@ struct mlx4_en_port_profile {
 
 struct mlx4_en_profile {
 	int rss_xor;
-	int num_lro;
+	int tcp_rss;
+	int udp_rss;
 	u8 rss_mask;
 	u32 active_ports;
 	u32 small_pkt_int;
@@ -337,6 +341,7 @@ struct mlx4_en_dev {
 	struct mlx4_mr		mr;
 	u32                     priv_pdn;
 	spinlock_t              uar_lock;
+	u8			mac_removed[MLX4_MAX_PORTS + 1];
 };
 
 
@@ -355,6 +360,13 @@ struct mlx4_en_rss_context {
 	u8 hash_fn;
 	u8 flags;
 	__be32 rss_key[10];
+	__be32 base_qpn_udp;
+};
+
+struct mlx4_en_port_state {
+	int link_state;
+	int link_speed;
+	int transciver;
 };
 
 struct mlx4_en_pkt_stats {
@@ -365,9 +377,6 @@ struct mlx4_en_pkt_stats {
 };
 
 struct mlx4_en_port_stats {
-	unsigned long lro_aggregated;
-	unsigned long lro_flushed;
-	unsigned long lro_no_desc;
 	unsigned long tso_packets;
 	unsigned long queue_stopped;
 	unsigned long wake_queue;
@@ -376,7 +385,7 @@ struct mlx4_en_port_stats {
 	unsigned long rx_chksum_good;
 	unsigned long rx_chksum_none;
 	unsigned long tx_chksum_offload;
-#define NUM_PORT_STATS		11
+#define NUM_PORT_STATS		8
 };
 
 struct mlx4_en_perf_stats {
@@ -405,6 +414,7 @@ struct mlx4_en_priv {
 	struct vlan_group *vlgrp;
 	struct net_device_stats stats;
 	struct net_device_stats ret_stats;
+	struct mlx4_en_port_state port_state;
 	spinlock_t stats_lock;
 
 	unsigned long last_moder_packets;
@@ -423,6 +433,8 @@ struct mlx4_en_priv {
 	u16 sample_interval;
 	u16 adaptive_rx_coal;
 	u32 msg_enable;
+	u32 loopback_ok;
+	u32 validate_loopback;
 
 	struct mlx4_hwq_resources res;
 	int link_state;
@@ -463,6 +475,7 @@ struct mlx4_en_priv {
 	char *mc_addrs;
 	int mc_addrs_cnt;
 	struct mlx4_en_stat_out_mbox hw_stats;
+	int vids[128];
 };
 
 
@@ -531,6 +544,11 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
 			   u8 promisc);
 
 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
+int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
+
+#define MLX4_EN_NUM_SELF_TEST	5
+void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
+u64 mlx4_en_mac_to_u64(u8 *addr);
 
 /*
  * Globals
@@ -555,6 +573,8 @@ do {								\
 	en_print(KERN_WARNING, priv, format, ##arg)
 #define en_err(priv, format, arg...)			\
 	en_print(KERN_ERR, priv, format, ##arg)
+#define en_info(priv, format, arg...)			\
+	en_print(KERN_INFO, priv, format, ## arg)
 
 #define mlx4_err(mdev, format, arg...)			\
 	pr_err("%s %s: " format, DRV_NAME,		\
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index 606aa58afde..451339559bd 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -111,6 +111,12 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
 			goto out;
 		}
 	}
+
+	if (free < 0) {
+		err = -ENOMEM;
+		goto out;
+	}
+
 	mlx4_dbg(dev, "Free MAC index is %d\n", free);
 
 	if (table->total == table->max) {
@@ -182,6 +188,25 @@ static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port,
 	return err;
 }
 
+int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx)
+{
+	struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table;
+	int i;
+
+	for (i = 0; i < MLX4_MAX_VLAN_NUM; ++i) {
+		if (table->refs[i] &&
+		    (vid == (MLX4_VLAN_MASK &
+			      be32_to_cpu(table->entries[i])))) {
+			/* VLAN already registered, increase reference count */
+			*idx = i;
+			return 0;
+		}
+	}
+
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(mlx4_find_cached_vlan);
+
 int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
 {
 	struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table;
@@ -205,6 +230,11 @@ int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
 		}
 	}
 
+	if (free < 0) {
+		err = -ENOMEM;
+		goto out;
+	}
+
 	if (table->total == table->max) {
 		/* No free vlan entries */
 		err = -ENOSPC;
diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c
index 5caf0115fa5..e749f82865f 100644
--- a/drivers/net/mlx4/profile.c
+++ b/drivers/net/mlx4/profile.c
@@ -85,7 +85,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
 	struct mlx4_resource tmp;
 	int i, j;
 
-	profile = kzalloc(MLX4_RES_NUM * sizeof *profile, GFP_KERNEL);
+	profile = kcalloc(MLX4_RES_NUM, sizeof(*profile), GFP_KERNEL);
 	if (!profile)
 		return -ENOMEM;