diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index bedcbb30d38f..44ff7cdb15e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -265,7 +265,7 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 	struct mlx4_en_mc_list *mclist, *tmp;
 	u64 mcast_addr = 0;
 	u8 mc_list[16] = {0};
-	int err;
+	int err = 0;
 
 	mutex_lock(&mdev->state_lock);
 	if (!mdev->device_up) {
@@ -300,16 +300,36 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 			priv->flags |= MLX4_EN_FLAG_PROMISC;
 
 			/* Enable promiscouos mode */
-			if (!(mdev->dev->caps.flags &
-						MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-				err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
-							     priv->base_qpn, 1);
-			else
-				err = mlx4_unicast_promisc_add(mdev->dev, priv->base_qpn,
+			switch (mdev->dev->caps.steering_mode) {
+			case MLX4_STEERING_MODE_B0:
+				err = mlx4_unicast_promisc_add(mdev->dev,
+							       priv->base_qpn,
 							       priv->port);
-			if (err)
-				en_err(priv, "Failed enabling "
-					     "promiscuous mode\n");
+				if (err)
+					en_err(priv, "Failed enabling unicast promiscuous mode\n");
+
+				/* Add the default qp number as multicast
+				 * promisc
+				 */
+				if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
+					err = mlx4_multicast_promisc_add(mdev->dev,
+									 priv->base_qpn,
+									 priv->port);
+					if (err)
+						en_err(priv, "Failed enabling multicast promiscuous mode\n");
+					priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
+				}
+				break;
+
+			case MLX4_STEERING_MODE_A0:
+				err = mlx4_SET_PORT_qpn_calc(mdev->dev,
+							     priv->port,
+							     priv->base_qpn,
+							     1);
+				if (err)
+					en_err(priv, "Failed enabling promiscuous mode\n");
+				break;
+			}
 
 			/* Disable port multicast filter (unconditionally) */
 			err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
@@ -318,15 +338,6 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 				en_err(priv, "Failed disabling "
 					     "multicast filter\n");
 
-			/* Add the default qp number as multicast promisc */
-			if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
-				err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
-								 priv->port);
-				if (err)
-					en_err(priv, "Failed entering multicast promisc mode\n");
-				priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
-			}
-
 			/* Disable port VLAN filter */
 			err = mlx4_SET_VLAN_FLTR(mdev->dev, priv);
 			if (err)
@@ -345,22 +356,31 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 		priv->flags &= ~MLX4_EN_FLAG_PROMISC;
 
 		/* Disable promiscouos mode */
-		if (!(mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-			err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
-						     priv->base_qpn, 0);
-		else
-			err = mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
+		switch (mdev->dev->caps.steering_mode) {
+		case MLX4_STEERING_MODE_B0:
+			err = mlx4_unicast_promisc_remove(mdev->dev,
+							  priv->base_qpn,
 							  priv->port);
-		if (err)
-			en_err(priv, "Failed disabling promiscuous mode\n");
-
-		/* Disable Multicast promisc */
-		if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
-			err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
-							    priv->port);
 			if (err)
-				en_err(priv, "Failed disabling multicast promiscuous mode\n");
-			priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
+				en_err(priv, "Failed disabling unicast promiscuous mode\n");
+			/* Disable Multicast promisc */
+			if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
+				err = mlx4_multicast_promisc_remove(mdev->dev,
+								    priv->base_qpn,
+								    priv->port);
+				if (err)
+					en_err(priv, "Failed disabling multicast promiscuous mode\n");
+				priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
+			}
+			break;
+
+		case MLX4_STEERING_MODE_A0:
+			err = mlx4_SET_PORT_qpn_calc(mdev->dev,
+						     priv->port,
+						     priv->base_qpn, 0);
+			if (err)
+				en_err(priv, "Failed disabling promiscuous mode\n");
+			break;
 		}
 
 		/* Enable port VLAN filter */
@@ -378,8 +398,16 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 
 		/* Add the default qp number as multicast promisc */
 		if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
-			err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
-							 priv->port);
+			switch (mdev->dev->caps.steering_mode) {
+			case MLX4_STEERING_MODE_B0:
+				err = mlx4_multicast_promisc_add(mdev->dev,
+								 priv->base_qpn,
+								 priv->port);
+				break;
+
+			case MLX4_STEERING_MODE_A0:
+				break;
+			}
 			if (err)
 				en_err(priv, "Failed entering multicast promisc mode\n");
 			priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
@@ -387,8 +415,16 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
 	} else {
 		/* Disable Multicast promisc */
 		if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
-			err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
-							    priv->port);
+			switch (mdev->dev->caps.steering_mode) {
+			case MLX4_STEERING_MODE_B0:
+				err = mlx4_multicast_promisc_remove(mdev->dev,
+								    priv->base_qpn,
+								    priv->port);
+				break;
+
+			case MLX4_STEERING_MODE_A0:
+				break;
+			}
 			if (err)
 				en_err(priv, "Failed disabling multicast promiscuous mode\n");
 			priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 9c83bb8151ea..40e048bac024 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -1124,7 +1124,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
 	MLX4_PUT(inbox, param->mc_base,		INIT_HCA_MC_BASE_OFFSET);
 	MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
 	MLX4_PUT(inbox, param->log_mc_hash_sz,  INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
-	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
+	if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0)
 		MLX4_PUT(inbox, (u8) (1 << 3),	INIT_HCA_UC_STEERING_OFFSET);
 	MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 14d9c762b60f..f8125a82c0cb 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -244,7 +244,6 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.reserved_srqs	     = dev_cap->reserved_srqs;
 	dev->caps.max_sq_desc_sz     = dev_cap->max_sq_desc_sz;
 	dev->caps.max_rq_desc_sz     = dev_cap->max_rq_desc_sz;
-	dev->caps.num_qp_per_mgm     = mlx4_get_qp_per_mgm(dev);
 	/*
 	 * Subtract 1 from the limit because we need to allocate a
 	 * spare CQE so the HCA HW can tell the difference between an
@@ -275,6 +274,21 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
 	dev->caps.max_gso_sz	     = dev_cap->max_gso_sz;
 	dev->caps.max_rss_tbl_sz     = dev_cap->max_rss_tbl_sz;
 
+	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER &&
+	    dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) {
+		dev->caps.steering_mode = MLX4_STEERING_MODE_B0;
+	} else {
+		dev->caps.steering_mode = MLX4_STEERING_MODE_A0;
+
+		if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER ||
+		    dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
+			mlx4_warn(dev, "Must have UC_STEER and MC_STEER flags "
+				       "set to use B0 steering. Falling back to A0 steering mode.\n");
+	}
+	mlx4_dbg(dev, "Steering mode is: %s\n",
+		 mlx4_steering_mode_str(dev->caps.steering_mode));
+	dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev);
+
 	/* Sense port always allowed on supported devices for ConnectX1 and 2 */
 	if (dev->pdev->device != 0x1003)
 		dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index f4a8f98e402a..319c9d45d59a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -868,36 +868,50 @@ static int mlx4_QP_ATTACH(struct mlx4_dev *dev, struct mlx4_qp *qp,
 int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
 			  int block_mcast_loopback, enum mlx4_protocol prot)
 {
-	if (prot == MLX4_PROT_ETH &&
-			!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
-		return 0;
 
-	if (prot == MLX4_PROT_ETH)
-		gid[7] |= (MLX4_MC_STEER << 1);
+	switch (dev->caps.steering_mode) {
+	case MLX4_STEERING_MODE_A0:
+		if (prot == MLX4_PROT_ETH)
+			return 0;
 
-	if (mlx4_is_mfunc(dev))
-		return mlx4_QP_ATTACH(dev, qp, gid, 1,
-					block_mcast_loopback, prot);
+	case MLX4_STEERING_MODE_B0:
+		if (prot == MLX4_PROT_ETH)
+			gid[7] |= (MLX4_MC_STEER << 1);
 
-	return mlx4_qp_attach_common(dev, qp, gid, block_mcast_loopback,
-					prot, MLX4_MC_STEER);
+		if (mlx4_is_mfunc(dev))
+			return mlx4_QP_ATTACH(dev, qp, gid, 1,
+					      block_mcast_loopback, prot);
+		return mlx4_qp_attach_common(dev, qp, gid,
+					     block_mcast_loopback, prot,
+					     MLX4_MC_STEER);
+
+	default:
+		return -EINVAL;
+	}
 }
 EXPORT_SYMBOL_GPL(mlx4_multicast_attach);
 
 int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
 			  enum mlx4_protocol prot)
 {
-	if (prot == MLX4_PROT_ETH &&
-			!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
-		return 0;
+	switch (dev->caps.steering_mode) {
+	case MLX4_STEERING_MODE_A0:
+		if (prot == MLX4_PROT_ETH)
+			return 0;
 
-	if (prot == MLX4_PROT_ETH)
-		gid[7] |= (MLX4_MC_STEER << 1);
+	case MLX4_STEERING_MODE_B0:
+		if (prot == MLX4_PROT_ETH)
+			gid[7] |= (MLX4_MC_STEER << 1);
 
-	if (mlx4_is_mfunc(dev))
-		return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot);
+		if (mlx4_is_mfunc(dev))
+			return mlx4_QP_ATTACH(dev, qp, gid, 0, 0, prot);
 
-	return mlx4_qp_detach_common(dev, qp, gid, prot, MLX4_MC_STEER);
+		return mlx4_qp_detach_common(dev, qp, gid, prot,
+					     MLX4_MC_STEER);
+
+	default:
+		return -EINVAL;
+	}
 }
 EXPORT_SYMBOL_GPL(mlx4_multicast_detach);
 
@@ -905,10 +919,6 @@ int mlx4_unicast_attach(struct mlx4_dev *dev,
 			struct mlx4_qp *qp, u8 gid[16],
 			int block_mcast_loopback, enum mlx4_protocol prot)
 {
-	if (prot == MLX4_PROT_ETH &&
-			!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-		return 0;
-
 	if (prot == MLX4_PROT_ETH)
 		gid[7] |= (MLX4_UC_STEER << 1);
 
@@ -924,10 +934,6 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_attach);
 int mlx4_unicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp,
 			       u8 gid[16], enum mlx4_protocol prot)
 {
-	if (prot == MLX4_PROT_ETH &&
-			!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-		return 0;
-
 	if (prot == MLX4_PROT_ETH)
 		gid[7] |= (MLX4_UC_STEER << 1);
 
@@ -968,9 +974,6 @@ static int mlx4_PROMISC(struct mlx4_dev *dev, u32 qpn,
 
 int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
-		return 0;
-
 	if (mlx4_is_mfunc(dev))
 		return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 1, port);
 
@@ -980,9 +983,6 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_add);
 
 int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
-		return 0;
-
 	if (mlx4_is_mfunc(dev))
 		return mlx4_PROMISC(dev, qpn, MLX4_MC_STEER, 0, port);
 
@@ -992,9 +992,6 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove);
 
 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-		return 0;
-
 	if (mlx4_is_mfunc(dev))
 		return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 1, port);
 
@@ -1004,9 +1001,6 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add);
 
 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
-		return 0;
-
 	if (mlx4_is_mfunc(dev))
 		return mlx4_PROMISC(dev, qpn, MLX4_UC_STEER, 0, port);
 
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index a8fb52992c64..58de7237f57a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -155,7 +155,7 @@ int mlx4_get_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
 		return err;
 	}
 
-	if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) {
+	if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
 		*qpn = info->base_qpn + index;
 		return 0;
 	}
@@ -206,7 +206,7 @@ void mlx4_put_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int qpn)
 		 (unsigned long long) mac);
 	mlx4_unregister_mac(dev, port, mac);
 
-	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER) {
+	if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) {
 		entry = radix_tree_lookup(&info->mac_tree, qpn);
 		if (entry) {
 			mlx4_dbg(dev, "Releasing qp: port %d, mac 0x%llx,"
@@ -359,7 +359,7 @@ int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac)
 	int index = qpn - info->base_qpn;
 	int err = 0;
 
-	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER) {
+	if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) {
 		entry = radix_tree_lookup(&info->mac_tree, qpn);
 		if (!entry)
 			return -EINVAL;
@@ -803,8 +803,7 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
 	u32 m_promisc = (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) ?
 		MCAST_DIRECT : MCAST_DEFAULT;
 
-	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER  &&
-	    dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)
+	if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0)
 		return 0;
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 6a8f002b8ed3..7f5c9ee42f96 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -70,6 +70,29 @@ enum {
 	MLX4_MFUNC_EQE_MASK     = (MLX4_MFUNC_MAX_EQES - 1)
 };
 
+/* Driver supports 2 diffrent device methods to manage traffic steering:
+ *	- B0 steering mode - Common low level API for ib and (if supported) eth.
+ *	- A0 steering mode - Limited low level API for eth. In case of IB,
+ *			     B0 mode is in use.
+ */
+enum {
+	MLX4_STEERING_MODE_A0,
+	MLX4_STEERING_MODE_B0
+};
+
+static inline const char *mlx4_steering_mode_str(int steering_mode)
+{
+	switch (steering_mode) {
+	case MLX4_STEERING_MODE_A0:
+		return "A0 steering";
+
+	case MLX4_STEERING_MODE_B0:
+		return "B0 steering";
+	default:
+		return "Unrecognize steering mode";
+	}
+}
+
 enum {
 	MLX4_DEV_CAP_FLAG_RC		= 1LL <<  0,
 	MLX4_DEV_CAP_FLAG_UC		= 1LL <<  1,
@@ -295,6 +318,7 @@ struct mlx4_caps {
 	int			num_amgms;
 	int			reserved_mcgs;
 	int			num_qp_per_mgm;
+	int			steering_mode;
 	int			num_pds;
 	int			reserved_pds;
 	int			max_xrcds;