Linux-libre 4.4-gnupck-4.4-gnu

13 files changed, 238 insertions, 108 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 2177e56ed..d48d57934 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1010,7 +1010,7 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave,
 		if (!(smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED &&
 		      smp->method == IB_MGMT_METHOD_GET) || network_view) {
 			mlx4_err(dev, "Unprivileged slave %d is trying to execute a Subnet MGMT MAD, class 0x%x, method 0x%x, view=%s for attr 0x%x. Rejecting\n",
-				 slave, smp->method, smp->mgmt_class,
+				 slave, smp->mgmt_class, smp->method,
 				 network_view ? "Network" : "Host",
 				 be16_to_cpu(smp->attr_id));
 			return -EPERM;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 8a083d73e..038f9ce39 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
 	unsigned long flags;
 	u64 ns, zero = 0;
 
+	/* mlx4_en_init_timestamp is called for each netdev.
+	 * mdev->ptp_clock is common for all ports, skip initialization if
+	 * was done for other port.
+	 */
+	if (mdev->ptp_clock)
+		return;
+
 	rwlock_init(&mdev->clock_lock);
 
 	memset(&mdev->cycles, 0, sizeof(mdev->cycles));
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index f79d81243..ddb554188 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -95,9 +95,6 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 		(u16) (mdev->dev->caps.fw_ver & 0xffff));
 	strlcpy(drvinfo->bus_info, pci_name(mdev->dev->persist->pdev),
 		sizeof(drvinfo->bus_info));
-	drvinfo->n_stats = 0;
-	drvinfo->regdump_len = 0;
-	drvinfo->eedump_len = 0;
 }
 
 static const char mlx4_en_priv_flags[][ETH_GSTRING_LEN] = {
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index a946e4bf7..e0ec280a7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -123,6 +123,28 @@ void mlx4_en_update_loopback_state(struct net_device *dev,
 	 */
 	if (mlx4_is_mfunc(priv->mdev->dev) || priv->validate_loopback)
 		priv->flags |= MLX4_EN_FLAG_ENABLE_HW_LOOPBACK;
+
+	mutex_lock(&priv->mdev->state_lock);
+	if (priv->mdev->dev->caps.flags2 &
+	    MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB &&
+	    priv->rss_map.indir_qp.qpn) {
+		int i;
+		int err = 0;
+		int loopback = !!(features & NETIF_F_LOOPBACK);
+
+		for (i = 0; i < priv->rx_ring_num; i++) {
+			int ret;
+
+			ret = mlx4_en_change_mcast_lb(priv,
+						      &priv->rss_map.qps[i],
+						      loopback);
+			if (!err)
+				err = ret;
+		}
+		if (err)
+			mlx4_warn(priv->mdev, "failed to change mcast loopback\n");
+	}
+	mutex_unlock(&priv->mdev->state_lock);
 }
 
 static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
@@ -210,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
 		if (mdev->pndev[i])
 			mlx4_en_destroy_netdev(mdev->pndev[i]);
 
-	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-		mlx4_en_remove_timestamp(mdev);
-
 	flush_workqueue(mdev->workqueue);
 	destroy_workqueue(mdev->workqueue);
 	(void) mlx4_mr_free(dev, &mdev->mr);
@@ -298,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
 		mdev->port_cnt++;
 
-	/* Initialize time stamp mechanism */
-	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-		mlx4_en_init_timestamp(mdev);
-
 	/* Set default number of RX rings*/
 	mlx4_en_set_num_rx_rings(mdev);
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 4726122ea..7869f97de 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -573,10 +573,8 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
 {
 	struct mlx4_en_dev *mdev = priv->mdev;
 	struct mlx4_dev *dev = mdev->dev;
-	struct mlx4_mac_entry *entry;
 	int index = 0;
 	int err = 0;
-	u64 reg_id = 0;
 	int *qpn = &priv->base_qpn;
 	u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr);
 
@@ -600,44 +598,11 @@ static int mlx4_en_get_qp(struct mlx4_en_priv *priv)
 	en_dbg(DRV, priv, "Reserved qp %d\n", *qpn);
 	if (err) {
 		en_err(priv, "Failed to reserve qp for mac registration\n");
-		goto qp_err;
-	}
-
-	err = mlx4_en_uc_steer_add(priv, priv->dev->dev_addr, qpn, &reg_id);
-	if (err)
-		goto steer_err;
-
-	err = mlx4_en_tunnel_steer_add(priv, priv->dev->dev_addr, *qpn,
-				       &priv->tunnel_reg_id);
-	if (err)
-		goto tunnel_err;
-
-	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry) {
-		err = -ENOMEM;
-		goto alloc_err;
+		mlx4_unregister_mac(dev, priv->port, mac);
+		return err;
 	}
-	memcpy(entry->mac, priv->dev->dev_addr, sizeof(entry->mac));
-	memcpy(priv->current_mac, entry->mac, sizeof(priv->current_mac));
-	entry->reg_id = reg_id;
-
-	hlist_add_head_rcu(&entry->hlist,
-			   &priv->mac_hash[entry->mac[MLX4_EN_MAC_HASH_IDX]]);
 
 	return 0;
-
-alloc_err:
-	if (priv->tunnel_reg_id)
-		mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
-tunnel_err:
-	mlx4_en_uc_steer_release(priv, priv->dev->dev_addr, *qpn, reg_id);
-
-steer_err:
-	mlx4_qp_release_range(dev, *qpn, 1);
-
-qp_err:
-	mlx4_unregister_mac(dev, priv->port, mac);
-	return err;
 }
 
 static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
@@ -645,39 +610,13 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
 	struct mlx4_en_dev *mdev = priv->mdev;
 	struct mlx4_dev *dev = mdev->dev;
 	int qpn = priv->base_qpn;
-	u64 mac;
 
 	if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
-		mac = mlx4_mac_to_u64(priv->dev->dev_addr);
+		u64 mac = mlx4_mac_to_u64(priv->dev->dev_addr);
 		en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
 		       priv->dev->dev_addr);
 		mlx4_unregister_mac(dev, priv->port, mac);
 	} else {
-		struct mlx4_mac_entry *entry;
-		struct hlist_node *tmp;
-		struct hlist_head *bucket;
-		unsigned int i;
-
-		for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) {
-			bucket = &priv->mac_hash[i];
-			hlist_for_each_entry_safe(entry, tmp, bucket, hlist) {
-				mac = mlx4_mac_to_u64(entry->mac);
-				en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
-				       entry->mac);
-				mlx4_en_uc_steer_release(priv, entry->mac,
-							 qpn, entry->reg_id);
-
-				mlx4_unregister_mac(dev, priv->port, mac);
-				hlist_del_rcu(&entry->hlist);
-				kfree_rcu(entry, rcu);
-			}
-		}
-
-		if (priv->tunnel_reg_id) {
-			mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
-			priv->tunnel_reg_id = 0;
-		}
-
 		en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n",
 		       priv->port, qpn);
 		mlx4_qp_release_range(dev, qpn, 1);
@@ -1283,6 +1222,75 @@ static void mlx4_en_netpoll(struct net_device *dev)
 }
 #endif
 
+static int mlx4_en_set_rss_steer_rules(struct mlx4_en_priv *priv)
+{
+	u64 reg_id;
+	int err = 0;
+	int *qpn = &priv->base_qpn;
+	struct mlx4_mac_entry *entry;
+
+	err = mlx4_en_uc_steer_add(priv, priv->dev->dev_addr, qpn, &reg_id);
+	if (err)
+		return err;
+
+	err = mlx4_en_tunnel_steer_add(priv, priv->dev->dev_addr, *qpn,
+				       &priv->tunnel_reg_id);
+	if (err)
+		goto tunnel_err;
+
+	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	if (!entry) {
+		err = -ENOMEM;
+		goto alloc_err;
+	}
+
+	memcpy(entry->mac, priv->dev->dev_addr, sizeof(entry->mac));
+	memcpy(priv->current_mac, entry->mac, sizeof(priv->current_mac));
+	entry->reg_id = reg_id;
+	hlist_add_head_rcu(&entry->hlist,
+			   &priv->mac_hash[entry->mac[MLX4_EN_MAC_HASH_IDX]]);
+
+	return 0;
+
+alloc_err:
+	if (priv->tunnel_reg_id)
+		mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+
+tunnel_err:
+	mlx4_en_uc_steer_release(priv, priv->dev->dev_addr, *qpn, reg_id);
+	return err;
+}
+
+static void mlx4_en_delete_rss_steer_rules(struct mlx4_en_priv *priv)
+{
+	u64 mac;
+	unsigned int i;
+	int qpn = priv->base_qpn;
+	struct hlist_head *bucket;
+	struct hlist_node *tmp;
+	struct mlx4_mac_entry *entry;
+
+	for (i = 0; i < MLX4_EN_MAC_HASH_SIZE; ++i) {
+		bucket = &priv->mac_hash[i];
+		hlist_for_each_entry_safe(entry, tmp, bucket, hlist) {
+			mac = mlx4_mac_to_u64(entry->mac);
+			en_dbg(DRV, priv, "Registering MAC:%pM for deleting\n",
+			       entry->mac);
+			mlx4_en_uc_steer_release(priv, entry->mac,
+						 qpn, entry->reg_id);
+
+			mlx4_unregister_mac(priv->mdev->dev, priv->port, mac);
+			hlist_del_rcu(&entry->hlist);
+			kfree_rcu(entry, rcu);
+		}
+	}
+
+	if (priv->tunnel_reg_id) {
+		mlx4_flow_detach(priv->mdev->dev, priv->tunnel_reg_id);
+		priv->tunnel_reg_id = 0;
+	}
+}
+
 static void mlx4_en_tx_timeout(struct net_device *dev)
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
@@ -1684,6 +1692,11 @@ int mlx4_en_start_port(struct net_device *dev)
 		goto tx_err;
 	}
 
+	/* Set Unicast and VXLAN steering rules */
+	if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0 &&
+	    mlx4_en_set_rss_steer_rules(priv))
+		mlx4_warn(mdev, "Failed setting steering rules\n");
+
 	/* Attach rx QP to bradcast address */
 	eth_broadcast_addr(&mc_list[10]);
 	mc_list[5] = priv->port; /* needed for B0 steering support */
@@ -1831,6 +1844,9 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)
 	for (i = 0; i < priv->tx_ring_num; i++)
 		mlx4_en_free_tx_buf(dev, priv->tx_ring[i]);
 
+	if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0)
+		mlx4_en_delete_rss_steer_rules(priv);
+
 	/* Free RSS qps */
 	mlx4_en_release_rss_steer(priv);
 
@@ -2056,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
 	/* flush any pending task for this netdev */
 	flush_workqueue(mdev->workqueue);
 
+	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+		mlx4_en_remove_timestamp(mdev);
+
 	/* Detach the netdev so tasks would not attempt to access it */
 	mutex_lock(&mdev->state_lock);
 	mdev->pndev[priv->port] = NULL;
@@ -2800,7 +2819,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	struct mlx4_en_priv *priv;
 	int i;
 	int err;
-	u64 mac_u64;
 
 	dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv),
 				 MAX_TX_RINGS, MAX_RX_RINGS);
@@ -2892,17 +2910,17 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	dev->addr_len = ETH_ALEN;
 	mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]);
 	if (!is_valid_ether_addr(dev->dev_addr)) {
-		if (mlx4_is_slave(priv->mdev->dev)) {
-			eth_hw_addr_random(dev);
-			en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr);
-			mac_u64 = mlx4_mac_to_u64(dev->dev_addr);
-			mdev->dev->caps.def_mac[priv->port] = mac_u64;
-		} else {
-			en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n",
-			       priv->port, dev->dev_addr);
-			err = -EINVAL;
-			goto out;
-		}
+		en_err(priv, "Port: %d, invalid mac burned: %pM, quiting\n",
+		       priv->port, dev->dev_addr);
+		err = -EINVAL;
+		goto out;
+	} else if (mlx4_is_slave(priv->mdev->dev) &&
+		   (priv->mdev->dev->port_random_macs & 1 << priv->port)) {
+		/* Random MAC was assigned in mlx4_slave_cap
+		 * in mlx4_core module
+		 */
+		dev->addr_assign_type |= NET_ADDR_RANDOM;
+		en_warn(priv, "Assigned random MAC address %pM\n", dev->dev_addr);
 	}
 
 	memcpy(priv->current_mac, dev->dev_addr, sizeof(priv->current_mac));
@@ -3043,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 	}
 	queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
 
+	/* Initialize time stamp mechanism */
 	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
-		queue_delayed_work(mdev->workqueue, &priv->service_task,
-				   SERVICE_TASK_DELAY);
+		mlx4_en_init_timestamp(mdev);
+
+	queue_delayed_work(mdev->workqueue, &priv->service_task,
+			   SERVICE_TASK_DELAY);
 
 	mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap,
 				 mdev->profile.prof[priv->port].rx_ppp,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_resources.c b/drivers/net/ethernet/mellanox/mlx4/en_resources.c
index e482fa1bb..12aab5a65 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_resources.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_resources.c
@@ -69,6 +69,15 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
 	context->pri_path.counter_index = priv->counter_index;
 	context->cqn_send = cpu_to_be32(cqn);
 	context->cqn_recv = cpu_to_be32(cqn);
+	if (!rss &&
+	    (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_LB_SRC_CHK) &&
+	    context->pri_path.counter_index !=
+			    MLX4_SINK_COUNTER_INDEX(mdev->dev)) {
+		/* disable multicast loopback to qp with same counter */
+		if (!(dev->features & NETIF_F_LOOPBACK))
+			context->pri_path.fl |= MLX4_FL_ETH_SRC_CHECK_MC_LB;
+		context->pri_path.control |= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
+	}
 	context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
 	if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX))
 		context->param3 |= cpu_to_be32(1 << 30);
@@ -80,6 +89,22 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
 	}
 }
 
+int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,
+			    int loopback)
+{
+	int ret;
+	struct mlx4_update_qp_params qp_params;
+
+	memset(&qp_params, 0, sizeof(qp_params));
+	if (!loopback)
+		qp_params.flags = MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB;
+
+	ret = mlx4_update_qp(priv->mdev->dev, qp->qpn,
+			     MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB,
+			     &qp_params);
+
+	return ret;
+}
 
 int mlx4_en_map_buffer(struct mlx4_buf *buf)
 {
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index e8ec1dec5..90db94e83 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -155,6 +155,8 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags)
 		[27] = "Port beacon support",
 		[28] = "RX-ALL support",
 		[29] = "802.1ad offload support",
+		[31] = "Modifying loopback source checks using UPDATE_QP support",
+		[32] = "Loopback source checks support",
 	};
 	int i;
 
@@ -964,6 +966,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET);
 	if (field32 & (1 << 16))
 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP;
+	if (field32 & (1 << 18))
+		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB;
+	if (field32 & (1 << 19))
+		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK;
 	if (field32 & (1 << 26))
 		dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL;
 	if (field32 & (1 << 20))
@@ -2840,3 +2846,19 @@ int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val)
 	return -EOPNOTSUPP;
 }
 EXPORT_SYMBOL(set_phv_bit);
+
+void mlx4_replace_zero_macs(struct mlx4_dev *dev)
+{
+	int i;
+	u8 mac_addr[ETH_ALEN];
+
+	dev->port_random_macs = 0;
+	for (i = 1; i <= dev->caps.num_ports; ++i)
+		if (!dev->caps.def_mac[i] &&
+		    dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) {
+			eth_random_addr(mac_addr);
+			dev->port_random_macs |= 1 << i;
+			dev->caps.def_mac[i] = mlx4_mac_to_u64(mac_addr);
+		}
+}
+EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs);
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index cc3a98975..31c491e02 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -863,6 +863,8 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
 		return -ENODEV;
 	}
 
+	mlx4_replace_zero_macs(dev);
+
 	dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL);
 	dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
 	dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
@@ -890,9 +892,10 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
 		dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn;
 		dev->caps.port_mask[i] = dev->caps.port_type[i];
 		dev->caps.phys_port_id[i] = func_cap.phys_port_id;
-		if (mlx4_get_slave_pkey_gid_tbl_len(dev, i,
-						    &dev->caps.gid_table_len[i],
-						    &dev->caps.pkey_table_len[i]))
+		err = mlx4_get_slave_pkey_gid_tbl_len(dev, i,
+						      &dev->caps.gid_table_len[i],
+						      &dev->caps.pkey_table_len[i]);
+		if (err)
 			goto err_mem;
 	}
 
@@ -904,6 +907,7 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
 			 dev->caps.uar_page_size * dev->caps.num_uars,
 			 (unsigned long long)
 			 pci_resource_len(dev->persist->pdev, 2));
+		err = -ENOMEM;
 		goto err_mem;
 	}
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index 232b2b55f..e1cf9036a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -1378,6 +1378,8 @@ void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
 
 void mlx4_init_quotas(struct mlx4_dev *dev);
 
+/* for VFs, replace zero MACs with randomly-generated MACs at driver start */
+void mlx4_replace_zero_macs(struct mlx4_dev *dev);
 int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
 /* Returns the VF index of slave */
 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index defcf8c39..c41f15102 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -798,7 +798,8 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
 void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
 int mlx4_en_map_buffer(struct mlx4_buf *buf);
 void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
-
+int mlx4_en_change_mcast_lb(struct mlx4_en_priv *priv, struct mlx4_qp *qp,
+			    int loopback);
 void mlx4_en_calc_rx_buf(struct net_device *dev);
 int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
 void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 78f51e103..93195191f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -318,7 +318,7 @@ int mlx4_mr_hw_get_mpt(struct mlx4_dev *dev, struct mlx4_mr *mmr,
 				key, NULL);
 	} else {
 		mailbox = mlx4_alloc_cmd_mailbox(dev);
-		if (IS_ERR_OR_NULL(mailbox))
+		if (IS_ERR(mailbox))
 			return PTR_ERR(mailbox);
 
 		err = mlx4_cmd_box(dev, 0, mailbox->dma, key,
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 20268634a..168823dde 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -422,20 +422,37 @@ int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
 	u64 qp_mask = 0;
 	int err = 0;
 
+	if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS))
+		return -EINVAL;
+
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox))
 		return PTR_ERR(mailbox);
 
 	cmd = (struct mlx4_update_qp_context *)mailbox->buf;
 
-	if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS))
-		return -EINVAL;
-
 	if (attr & MLX4_UPDATE_QP_SMAC) {
 		pri_addr_path_mask |= 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX;
 		cmd->qp_context.pri_path.grh_mylmc = params->smac_index;
 	}
 
+	if (attr & MLX4_UPDATE_QP_ETH_SRC_CHECK_MC_LB) {
+		if (!(dev->caps.flags2
+		      & MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) {
+			mlx4_warn(dev,
+				  "Trying to set src check LB, but it isn't supported\n");
+			err = -ENOTSUPP;
+			goto out;
+		}
+		pri_addr_path_mask |=
+			1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB;
+		if (params->flags &
+		    MLX4_UPDATE_QP_PARAMS_FLAGS_ETH_CHECK_MC_LB) {
+			cmd->qp_context.pri_path.fl |=
+				MLX4_FL_ETH_SRC_CHECK_MC_LB;
+		}
+	}
+
 	if (attr & MLX4_UPDATE_QP_VSD) {
 		qp_mask |= 1ULL << MLX4_UPD_QP_MASK_VSD;
 		if (params->flags & MLX4_UPDATE_QP_PARAMS_FLAGS_VSD_ENABLE)
@@ -458,7 +475,7 @@ int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn,
 	err = mlx4_cmd(dev, mailbox->dma, qpn & 0xffffff, 0,
 		       MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
 		       MLX4_CMD_NATIVE);
-
+out:
 	mlx4_free_cmd_mailbox(dev, mailbox);
 	return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 8bead9737..cad6c44df 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -770,9 +770,12 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
 			}
 		}
 
+		/* preserve IF_COUNTER flag */
+		qpc->pri_path.vlan_control &=
+			MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER;
 		if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE &&
 		    dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) {
-			qpc->pri_path.vlan_control =
+			qpc->pri_path.vlan_control |=
 				MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
 				MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
 				MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
@@ -780,12 +783,12 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
 				MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
 				MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
 		} else if (0 != vp_oper->state.default_vlan) {
-			qpc->pri_path.vlan_control =
+			qpc->pri_path.vlan_control |=
 				MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
 				MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
 				MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
 		} else { /* priority tagged */
-			qpc->pri_path.vlan_control =
+			qpc->pri_path.vlan_control |=
 				MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
 				MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
 		}
@@ -1238,8 +1241,10 @@ static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count,
 	return 0;
 
 undo:
-	for (--i; i >= base; --i)
+	for (--i; i >= 0; --i) {
 		rb_erase(&res_arr[i]->node, root);
+		list_del_init(&res_arr[i]->list);
+	}
 
 	spin_unlock_irq(mlx4_tlock(dev));
 
@@ -3762,9 +3767,6 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
 	update_gid(dev, inbox, (u8)slave);
 	adjust_proxy_tun_qkey(dev, vhcr, qpc);
 	orig_sched_queue = qpc->pri_path.sched_queue;
-	err = update_vport_qp_param(dev, inbox, slave, qpn);
-	if (err)
-		return err;
 
 	err = get_res(dev, slave, qpn, RES_QP, &qp);
 	if (err)
@@ -3774,6 +3776,10 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
 		goto out;
 	}
 
+	err = update_vport_qp_param(dev, inbox, slave, qpn);
+	if (err)
+		goto out;
+
 	err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
 out:
 	/* if no error, save sched queue value passed in by VF. This is
@@ -4208,7 +4214,9 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
 
 }
 
-#define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)
+#define MLX4_UPD_QP_PATH_MASK_SUPPORTED      (                                \
+	1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX                     |\
+	1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)
 int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
 			   struct mlx4_vhcr *vhcr,
 			   struct mlx4_cmd_mailbox *inbox,
@@ -4231,6 +4239,16 @@ int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
 	    (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
 		return -EPERM;
 
+	if ((pri_addr_path_mask &
+	     (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) &&
+		!(dev->caps.flags2 &
+		  MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) {
+			mlx4_warn(dev,
+				  "Src check LB for slave %d isn't supported\n",
+				   slave);
+		return -ENOTSUPP;
+	}
+
 	/* Just change the smac for the QP */
 	err = get_res(dev, slave, qpn, RES_QP, &rqp);
 	if (err) {
@@ -4288,9 +4306,10 @@ int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
 		return -EOPNOTSUPP;
 
 	ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf;
-	ctrl->port = mlx4_slave_convert_port(dev, slave, ctrl->port);
-	if (ctrl->port <= 0)
+	err = mlx4_slave_convert_port(dev, slave, ctrl->port);
+	if (err <= 0)
 		return -EINVAL;
+	ctrl->port = err;
 	qpn = be32_to_cpu(ctrl->qpn) & 0xffffff;
 	err = get_res(dev, slave, qpn, RES_QP, &rqp);
 	if (err) {