1 files changed, 1570 insertions, 251 deletions

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c7a6213c699..0f7027e7db1 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -39,6 +39,8 @@
 #include <linux/inetdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/if_vlan.h>
+#include <net/ipv6.h>
+#include <net/addrconf.h>
 
 #include <rdma/ib_smi.h>
 #include <rdma/ib_user_verbs.h>
@@ -46,19 +48,27 @@
 
 #include <linux/mlx4/driver.h>
 #include <linux/mlx4/cmd.h>
+#include <linux/mlx4/qp.h>
 
 #include "mlx4_ib.h"
 #include "user.h"
 
-#define DRV_NAME	"mlx4_ib"
-#define DRV_VERSION	"1.0"
-#define DRV_RELDATE	"April 4, 2008"
+#define DRV_NAME	MLX4_IB_DRV_NAME
+#define DRV_VERSION	"2.2-1"
+#define DRV_RELDATE	"Feb 2014"
+
+#define MLX4_IB_FLOW_MAX_PRIO 0xFFF
+#define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
 
 MODULE_AUTHOR("Roland Dreier");
 MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(DRV_VERSION);
 
+int mlx4_ib_sm_guid_assign = 1;
+module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444);
+MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 1)");
+
 static const char mlx4_ib_version[] =
 	DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
 	DRV_VERSION " (" DRV_RELDATE ")\n";
@@ -70,6 +80,8 @@ struct update_gid_work {
 	int			port;
 };
 
+static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init);
+
 static struct workqueue_struct *wq;
 
 static void init_query_mad(struct ib_smp *mad)
@@ -82,6 +94,31 @@ static void init_query_mad(struct ib_smp *mad)
 
 static union ib_gid zgid;
 
+static int check_flow_steering_support(struct mlx4_dev *dev)
+{
+	int eth_num_ports = 0;
+	int ib_num_ports = 0;
+
+	int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED;
+
+	if (dmfs) {
+		int i;
+		mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
+			eth_num_ports++;
+		mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+			ib_num_ports++;
+		dmfs &= (!ib_num_ports ||
+			 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) &&
+			(!eth_num_ports ||
+			 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN));
+		if (ib_num_ports && mlx4_is_mfunc(dev)) {
+			pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n");
+			dmfs = 0;
+		}
+	}
+	return dmfs;
+}
+
 static int mlx4_ib_query_device(struct ib_device *ibdev,
 				struct ib_device_attr *props)
 {
@@ -98,7 +135,8 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 	init_query_mad(in_mad);
 	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
 
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, out_mad);
+	err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS,
+			   1, NULL, NULL, in_mad, out_mad);
 	if (err)
 		goto out;
 
@@ -128,40 +166,52 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 	    (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) &&
 	    (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR))
 		props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
+	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)
+		props->device_cap_flags |= IB_DEVICE_XRC;
+	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW)
+		props->device_cap_flags |= IB_DEVICE_MEM_WINDOW;
+	if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
+		if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B)
+			props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B;
+		else
+			props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A;
+	if (dev->steering_support ==  MLX4_STEERING_MODE_DEVICE_MANAGED)
+		props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING;
+	}
 
 	props->vendor_id	   = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
 		0xffffff;
-	props->vendor_part_id	   = be16_to_cpup((__be16 *) (out_mad->data + 30));
+	props->vendor_part_id	   = dev->dev->pdev->device;
 	props->hw_ver		   = be32_to_cpup((__be32 *) (out_mad->data + 32));
 	memcpy(&props->sys_image_guid, out_mad->data +	4, 8);
 
 	props->max_mr_size	   = ~0ull;
 	props->page_size_cap	   = dev->dev->caps.page_size_cap;
-	props->max_qp		   = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps;
-	props->max_qp_wr	   = dev->dev->caps.max_wqes;
+	props->max_qp		   = dev->dev->quotas.qp;
+	props->max_qp_wr	   = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
 	props->max_sge		   = min(dev->dev->caps.max_sq_sg,
 					 dev->dev->caps.max_rq_sg);
-	props->max_cq		   = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs;
+	props->max_cq		   = dev->dev->quotas.cq;
 	props->max_cqe		   = dev->dev->caps.max_cqes;
-	props->max_mr		   = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws;
+	props->max_mr		   = dev->dev->quotas.mpt;
 	props->max_pd		   = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds;
 	props->max_qp_rd_atom	   = dev->dev->caps.max_qp_dest_rdma;
 	props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma;
 	props->max_res_rd_atom	   = props->max_qp_rd_atom * props->max_qp;
-	props->max_srq		   = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
+	props->max_srq		   = dev->dev->quotas.srq;
 	props->max_srq_wr	   = dev->dev->caps.max_srq_wqes - 1;
 	props->max_srq_sge	   = dev->dev->caps.max_srq_sge;
 	props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES;
 	props->local_ca_ack_delay  = dev->dev->caps.local_ca_ack_delay;
 	props->atomic_cap	   = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
 		IB_ATOMIC_HCA : IB_ATOMIC_NONE;
-	props->masked_atomic_cap   = IB_ATOMIC_HCA;
+	props->masked_atomic_cap   = props->atomic_cap;
 	props->max_pkeys	   = dev->dev->caps.pkey_table_len[1];
 	props->max_mcast_grp	   = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
 	props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
 	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
 					   props->max_mcast_grp;
-	props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1;
+	props->max_map_per_fmr = dev->dev->caps.max_fmr_maps;
 
 out:
 	kfree(in_mad);
@@ -175,14 +225,37 @@ mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num)
 {
 	struct mlx4_dev *dev = to_mdev(device)->dev;
 
-	return dev->caps.port_mask & (1 << (port_num - 1)) ?
+	return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ?
 		IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
 }
 
 static int ib_link_query_port(struct ib_device *ibdev, u8 port,
-			      struct ib_port_attr *props,
-			      struct ib_smp *out_mad)
+			      struct ib_port_attr *props, int netw_view)
 {
+	struct ib_smp *in_mad  = NULL;
+	struct ib_smp *out_mad = NULL;
+	int ext_active_speed;
+	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
+	int err = -ENOMEM;
+
+	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
+	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
+	if (!in_mad || !out_mad)
+		goto out;
+
+	init_query_mad(in_mad);
+	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
+	in_mad->attr_mod = cpu_to_be32(port);
+
+	if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
+		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
+
+	err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
+				in_mad, out_mad);
+	if (err)
+		goto out;
+
+
 	props->lid		= be16_to_cpup((__be16 *) (out_mad->data + 16));
 	props->lmc		= out_mad->data[34] & 0x7;
 	props->sm_lid		= be16_to_cpup((__be16 *) (out_mad->data + 18));
@@ -190,7 +263,10 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
 	props->state		= out_mad->data[32] & 0xf;
 	props->phys_state	= out_mad->data[33] >> 4;
 	props->port_cap_flags	= be32_to_cpup((__be32 *) (out_mad->data + 20));
-	props->gid_tbl_len	= to_mdev(ibdev)->dev->caps.gid_table_len[port];
+	if (netw_view)
+		props->gid_tbl_len = out_mad->data[50];
+	else
+		props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port];
 	props->max_msg_sz	= to_mdev(ibdev)->dev->caps.max_msg_sz;
 	props->pkey_tbl_len	= to_mdev(ibdev)->dev->caps.pkey_table_len[port];
 	props->bad_pkey_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 46));
@@ -203,7 +279,44 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
 	props->max_vl_num	= out_mad->data[37] >> 4;
 	props->init_type_reply	= out_mad->data[41] >> 4;
 
-	return 0;
+	/* Check if extended speeds (EDR/FDR/...) are supported */
+	if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
+		ext_active_speed = out_mad->data[62] >> 4;
+
+		switch (ext_active_speed) {
+		case 1:
+			props->active_speed = IB_SPEED_FDR;
+			break;
+		case 2:
+			props->active_speed = IB_SPEED_EDR;
+			break;
+		}
+	}
+
+	/* If reported active speed is QDR, check if is FDR-10 */
+	if (props->active_speed == IB_SPEED_QDR) {
+		init_query_mad(in_mad);
+		in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
+		in_mad->attr_mod = cpu_to_be32(port);
+
+		err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port,
+				   NULL, NULL, in_mad, out_mad);
+		if (err)
+			goto out;
+
+		/* Checking LinkSpeedActive for FDR-10 */
+		if (out_mad->data[15] & 0x1)
+			props->active_speed = IB_SPEED_FDR10;
+	}
+
+	/* Avoid wrong speed value returned by FW if the IB link is down. */
+	if (props->state == IB_PORT_DOWN)
+		 props->active_speed = IB_SPEED_SDR;
+
+out:
+	kfree(in_mad);
+	kfree(out_mad);
+	return err;
 }
 
 static u8 state_to_phys_state(enum ib_port_state state)
@@ -212,32 +325,42 @@ static u8 state_to_phys_state(enum ib_port_state state)
 }
 
 static int eth_link_query_port(struct ib_device *ibdev, u8 port,
-			       struct ib_port_attr *props,
-			       struct ib_smp *out_mad)
+			       struct ib_port_attr *props, int netw_view)
 {
-	struct mlx4_ib_iboe *iboe = &to_mdev(ibdev)->iboe;
+
+	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
+	struct mlx4_ib_iboe *iboe = &mdev->iboe;
 	struct net_device *ndev;
 	enum ib_mtu tmp;
+	struct mlx4_cmd_mailbox *mailbox;
+	int err = 0;
 
-	props->active_width	= IB_WIDTH_1X;
-	props->active_speed	= 4;
-	props->port_cap_flags	= IB_PORT_CM_SUP;
-	props->gid_tbl_len	= to_mdev(ibdev)->dev->caps.gid_table_len[port];
-	props->max_msg_sz	= to_mdev(ibdev)->dev->caps.max_msg_sz;
+	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+
+	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
+			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
+			   MLX4_CMD_WRAPPED);
+	if (err)
+		goto out;
+
+	props->active_width	=  (((u8 *)mailbox->buf)[5] == 0x40) ?
+						IB_WIDTH_4X : IB_WIDTH_1X;
+	props->active_speed	= IB_SPEED_QDR;
+	props->port_cap_flags	= IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS;
+	props->gid_tbl_len	= mdev->dev->caps.gid_table_len[port];
+	props->max_msg_sz	= mdev->dev->caps.max_msg_sz;
 	props->pkey_tbl_len	= 1;
-	props->bad_pkey_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 46));
-	props->qkey_viol_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 48));
-	props->max_mtu		= IB_MTU_2048;
-	props->subnet_timeout	= 0;
-	props->max_vl_num	= out_mad->data[37] >> 4;
-	props->init_type_reply	= 0;
+	props->max_mtu		= IB_MTU_4096;
+	props->max_vl_num	= 2;
 	props->state		= IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
 	props->active_mtu	= IB_MTU_256;
 	spin_lock(&iboe->lock);
 	ndev = iboe->netdevs[port - 1];
 	if (!ndev)
-		goto out;
+		goto out_unlock;
 
 	tmp = iboe_get_mtu(ndev->mtu);
 	props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256;
@@ -245,51 +368,43 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
 	props->state		= (netif_running(ndev) && netif_carrier_ok(ndev)) ?
 					IB_PORT_ACTIVE : IB_PORT_DOWN;
 	props->phys_state	= state_to_phys_state(props->state);
-
-out:
+out_unlock:
 	spin_unlock(&iboe->lock);
-	return 0;
+out:
+	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+	return err;
 }
 
-static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
-			      struct ib_port_attr *props)
+int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
+			 struct ib_port_attr *props, int netw_view)
 {
-	struct ib_smp *in_mad  = NULL;
-	struct ib_smp *out_mad = NULL;
-	int err = -ENOMEM;
-
-	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
-	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
-	if (!in_mad || !out_mad)
-		goto out;
+	int err;
 
 	memset(props, 0, sizeof *props);
 
-	init_query_mad(in_mad);
-	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
-	in_mad->attr_mod = cpu_to_be32(port);
-
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
-	if (err)
-		goto out;
-
 	err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ?
-		ib_link_query_port(ibdev, port, props, out_mad) :
-		eth_link_query_port(ibdev, port, props, out_mad);
-
-out:
-	kfree(in_mad);
-	kfree(out_mad);
+		ib_link_query_port(ibdev, port, props, netw_view) :
+				eth_link_query_port(ibdev, port, props, netw_view);
 
 	return err;
 }
 
-static int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
-			       union ib_gid *gid)
+static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
+			      struct ib_port_attr *props)
+{
+	/* returns host view */
+	return __mlx4_ib_query_port(ibdev, port, props, 0);
+}
+
+int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
+			union ib_gid *gid, int netw_view)
 {
 	struct ib_smp *in_mad  = NULL;
 	struct ib_smp *out_mad = NULL;
 	int err = -ENOMEM;
+	struct mlx4_ib_dev *dev = to_mdev(ibdev);
+	int clear = 0;
+	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
 
 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
@@ -300,23 +415,38 @@ static int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
 	in_mad->attr_mod = cpu_to_be32(port);
 
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
+	if (mlx4_is_mfunc(dev->dev) && netw_view)
+		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
+
+	err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad);
 	if (err)
 		goto out;
 
 	memcpy(gid->raw, out_mad->data + 8, 8);
 
+	if (mlx4_is_mfunc(dev->dev) && !netw_view) {
+		if (index) {
+			/* For any index > 0, return the null guid */
+			err = 0;
+			clear = 1;
+			goto out;
+		}
+	}
+
 	init_query_mad(in_mad);
 	in_mad->attr_id  = IB_SMP_ATTR_GUID_INFO;
 	in_mad->attr_mod = cpu_to_be32(index / 8);
 
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
+	err = mlx4_MAD_IFC(dev, mad_ifc_flags, port,
+			   NULL, NULL, in_mad, out_mad);
 	if (err)
 		goto out;
 
 	memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
 
 out:
+	if (clear)
+		memset(gid->raw + 8, 0, 8);
 	kfree(in_mad);
 	kfree(out_mad);
 	return err;
@@ -336,16 +466,17 @@ static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
 			     union ib_gid *gid)
 {
 	if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND)
-		return __mlx4_ib_query_gid(ibdev, port, index, gid);
+		return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
 	else
 		return iboe_query_gid(ibdev, port, index, gid);
 }
 
-static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
-			      u16 *pkey)
+int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+			 u16 *pkey, int netw_view)
 {
 	struct ib_smp *in_mad  = NULL;
 	struct ib_smp *out_mad = NULL;
+	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
 	int err = -ENOMEM;
 
 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
@@ -357,7 +488,11 @@ static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
 	in_mad->attr_id  = IB_SMP_ATTR_PKEY_TABLE;
 	in_mad->attr_mod = cpu_to_be32(index / 32);
 
-	err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
+	if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
+		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
+
+	err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
+			   in_mad, out_mad);
 	if (err)
 		goto out;
 
@@ -369,10 +504,16 @@ out:
 	return err;
 }
 
+static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
+{
+	return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0);
+}
+
 static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
 				 struct ib_device_modify *props)
 {
 	struct mlx4_cmd_mailbox *mailbox;
+	unsigned long flags;
 
 	if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
 		return -EOPNOTSUPP;
@@ -380,9 +521,12 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
 	if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
 		return 0;
 
-	spin_lock(&to_mdev(ibdev)->sm_lock);
+	if (mlx4_is_slave(to_mdev(ibdev)->dev))
+		return -EOPNOTSUPP;
+
+	spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags);
 	memcpy(ibdev->node_desc, props->node_desc, 64);
-	spin_unlock(&to_mdev(ibdev)->sm_lock);
+	spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags);
 
 	/*
 	 * If possible, pass node desc to FW, so it can generate
@@ -392,29 +536,25 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
 	if (IS_ERR(mailbox))
 		return 0;
 
-	memset(mailbox->buf, 0, 256);
 	memcpy(mailbox->buf, props->node_desc, 64);
 	mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0,
-		 MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A);
+		 MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
 
 	mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox);
 
 	return 0;
 }
 
-static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
-			 u32 cap_mask)
+static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
+			    u32 cap_mask)
 {
 	struct mlx4_cmd_mailbox *mailbox;
 	int err;
-	u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
 	if (IS_ERR(mailbox))
 		return PTR_ERR(mailbox);
 
-	memset(mailbox->buf, 0, 256);
-
 	if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
 		*(u8 *) mailbox->buf	     = !!reset_qkey_viols << 6;
 		((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
@@ -423,8 +563,8 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
 		((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
 	}
 
-	err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
-		       MLX4_CMD_TIME_CLASS_B);
+	err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
+		       MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED);
 
 	mlx4_free_cmd_mailbox(dev->dev, mailbox);
 	return err;
@@ -433,11 +573,20 @@ static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
 static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
 			       struct ib_port_modify *props)
 {
+	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
+	u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
 	struct ib_port_attr attr;
 	u32 cap_mask;
 	int err;
 
-	mutex_lock(&to_mdev(ibdev)->cap_mask_mutex);
+	/* return OK if this is RoCE. CM calls ib_modify_port() regardless
+	 * of whether port link layer is ETH or IB. For ETH ports, qkey
+	 * violations and port capabilities are not meaningful.
+	 */
+	if (is_eth)
+		return 0;
+
+	mutex_lock(&mdev->cap_mask_mutex);
 
 	err = mlx4_ib_query_port(ibdev, port, &attr);
 	if (err)
@@ -446,9 +595,9 @@ static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
 	cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
 		~props->clr_port_cap_mask;
 
-	err = mlx4_SET_PORT(to_mdev(ibdev), port,
-			    !!(mask & IB_PORT_RESET_QKEY_CNTR),
-			    cap_mask);
+	err = mlx4_ib_SET_PORT(mdev, port,
+			       !!(mask & IB_PORT_RESET_QKEY_CNTR),
+			       cap_mask);
 
 out:
 	mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
@@ -460,15 +609,24 @@ static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev,
 {
 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
 	struct mlx4_ib_ucontext *context;
+	struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3;
 	struct mlx4_ib_alloc_ucontext_resp resp;
 	int err;
 
 	if (!dev->ib_active)
 		return ERR_PTR(-EAGAIN);
 
-	resp.qp_tab_size      = dev->dev->caps.num_qps;
-	resp.bf_reg_size      = dev->dev->caps.bf_reg_size;
-	resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
+	if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) {
+		resp_v3.qp_tab_size      = dev->dev->caps.num_qps;
+		resp_v3.bf_reg_size      = dev->dev->caps.bf_reg_size;
+		resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
+	} else {
+		resp.dev_caps	      = dev->dev->caps.userspace_caps;
+		resp.qp_tab_size      = dev->dev->caps.num_qps;
+		resp.bf_reg_size      = dev->dev->caps.bf_reg_size;
+		resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
+		resp.cqe_size	      = dev->dev->caps.cqe_size;
+	}
 
 	context = kmalloc(sizeof *context, GFP_KERNEL);
 	if (!context)
@@ -483,7 +641,11 @@ static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev,
 	INIT_LIST_HEAD(&context->db_page_list);
 	mutex_init(&context->db_page_mutex);
 
-	err = ib_copy_to_udata(udata, &resp, sizeof resp);
+	if (ibdev->uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION)
+		err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3));
+	else
+		err = ib_copy_to_udata(udata, &resp, sizeof(resp));
+
 	if (err) {
 		mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar);
 		kfree(context);
@@ -566,6 +728,57 @@ static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
 	return 0;
 }
 
+static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
+					  struct ib_ucontext *context,
+					  struct ib_udata *udata)
+{
+	struct mlx4_ib_xrcd *xrcd;
+	int err;
+
+	if (!(to_mdev(ibdev)->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC))
+		return ERR_PTR(-ENOSYS);
+
+	xrcd = kmalloc(sizeof *xrcd, GFP_KERNEL);
+	if (!xrcd)
+		return ERR_PTR(-ENOMEM);
+
+	err = mlx4_xrcd_alloc(to_mdev(ibdev)->dev, &xrcd->xrcdn);
+	if (err)
+		goto err1;
+
+	xrcd->pd = ib_alloc_pd(ibdev);
+	if (IS_ERR(xrcd->pd)) {
+		err = PTR_ERR(xrcd->pd);
+		goto err2;
+	}
+
+	xrcd->cq = ib_create_cq(ibdev, NULL, NULL, xrcd, 1, 0);
+	if (IS_ERR(xrcd->cq)) {
+		err = PTR_ERR(xrcd->cq);
+		goto err3;
+	}
+
+	return &xrcd->ibxrcd;
+
+err3:
+	ib_dealloc_pd(xrcd->pd);
+err2:
+	mlx4_xrcd_free(to_mdev(ibdev)->dev, xrcd->xrcdn);
+err1:
+	kfree(xrcd);
+	return ERR_PTR(err);
+}
+
+static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
+{
+	ib_destroy_cq(to_mxrcd(xrcd)->cq);
+	ib_dealloc_pd(to_mxrcd(xrcd)->pd);
+	mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn);
+	kfree(xrcd);
+
+	return 0;
+}
+
 static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
 {
 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
@@ -592,7 +805,6 @@ static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 		   union ib_gid *gid)
 {
-	u8 mac[6];
 	struct net_device *ndev;
 	int ret = 0;
 
@@ -606,37 +818,394 @@ int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 	spin_unlock(&mdev->iboe.lock);
 
 	if (ndev) {
-		rdma_get_mcast_mac((struct in6_addr *)gid, mac);
-		rtnl_lock();
-		dev_mc_add(mdev->iboe.netdevs[mqp->port - 1], mac);
 		ret = 1;
-		rtnl_unlock();
 		dev_put(ndev);
 	}
 
 	return ret;
 }
 
+struct mlx4_ib_steering {
+	struct list_head list;
+	u64 reg_id;
+	union ib_gid gid;
+};
+
+static int parse_flow_attr(struct mlx4_dev *dev,
+			   u32 qp_num,
+			   union ib_flow_spec *ib_spec,
+			   struct _rule_hw *mlx4_spec)
+{
+	enum mlx4_net_trans_rule_id type;
+
+	switch (ib_spec->type) {
+	case IB_FLOW_SPEC_ETH:
+		type = MLX4_NET_TRANS_RULE_ID_ETH;
+		memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac,
+		       ETH_ALEN);
+		memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac,
+		       ETH_ALEN);
+		mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag;
+		mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag;
+		break;
+	case IB_FLOW_SPEC_IB:
+		type = MLX4_NET_TRANS_RULE_ID_IB;
+		mlx4_spec->ib.l3_qpn =
+			cpu_to_be32(qp_num);
+		mlx4_spec->ib.qpn_mask =
+			cpu_to_be32(MLX4_IB_FLOW_QPN_MASK);
+		break;
+
+
+	case IB_FLOW_SPEC_IPV4:
+		type = MLX4_NET_TRANS_RULE_ID_IPV4;
+		mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip;
+		mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip;
+		mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip;
+		mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip;
+		break;
+
+	case IB_FLOW_SPEC_TCP:
+	case IB_FLOW_SPEC_UDP:
+		type = ib_spec->type == IB_FLOW_SPEC_TCP ?
+					MLX4_NET_TRANS_RULE_ID_TCP :
+					MLX4_NET_TRANS_RULE_ID_UDP;
+		mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port;
+		mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port;
+		mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port;
+		mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+	if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 ||
+	    mlx4_hw_rule_sz(dev, type) < 0)
+		return -EINVAL;
+	mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type));
+	mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2;
+	return mlx4_hw_rule_sz(dev, type);
+}
+
+struct default_rules {
+	__u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
+	__u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
+	__u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS];
+	__u8  link_layer;
+};
+static const struct default_rules default_table[] = {
+	{
+		.mandatory_fields = {IB_FLOW_SPEC_IPV4},
+		.mandatory_not_fields = {IB_FLOW_SPEC_ETH},
+		.rules_create_list = {IB_FLOW_SPEC_IB},
+		.link_layer = IB_LINK_LAYER_INFINIBAND
+	}
+};
+
+static int __mlx4_ib_default_rules_match(struct ib_qp *qp,
+					 struct ib_flow_attr *flow_attr)
+{
+	int i, j, k;
+	void *ib_flow;
+	const struct default_rules *pdefault_rules = default_table;
+	u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port);
+
+	for (i = 0; i < sizeof(default_table)/sizeof(default_table[0]); i++,
+	     pdefault_rules++) {
+		__u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS];
+		memset(&field_types, 0, sizeof(field_types));
+
+		if (link_layer != pdefault_rules->link_layer)
+			continue;
+
+		ib_flow = flow_attr + 1;
+		/* we assume the specs are sorted */
+		for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS &&
+		     j < flow_attr->num_of_specs; k++) {
+			union ib_flow_spec *current_flow =
+				(union ib_flow_spec *)ib_flow;
+
+			/* same layer but different type */
+			if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) ==
+			     (pdefault_rules->mandatory_fields[k] &
+			      IB_FLOW_SPEC_LAYER_MASK)) &&
+			    (current_flow->type !=
+			     pdefault_rules->mandatory_fields[k]))
+				goto out;
+
+			/* same layer, try match next one */
+			if (current_flow->type ==
+			    pdefault_rules->mandatory_fields[k]) {
+				j++;
+				ib_flow +=
+					((union ib_flow_spec *)ib_flow)->size;
+			}
+		}
+
+		ib_flow = flow_attr + 1;
+		for (j = 0; j < flow_attr->num_of_specs;
+		     j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size)
+			for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++)
+				/* same layer and same type */
+				if (((union ib_flow_spec *)ib_flow)->type ==
+				    pdefault_rules->mandatory_not_fields[k])
+					goto out;
+
+		return i;
+	}
+out:
+	return -1;
+}
+
+static int __mlx4_ib_create_default_rules(
+		struct mlx4_ib_dev *mdev,
+		struct ib_qp *qp,
+		const struct default_rules *pdefault_rules,
+		struct _rule_hw *mlx4_spec) {
+	int size = 0;
+	int i;
+
+	for (i = 0; i < sizeof(pdefault_rules->rules_create_list)/
+			sizeof(pdefault_rules->rules_create_list[0]); i++) {
+		int ret;
+		union ib_flow_spec ib_spec;
+		switch (pdefault_rules->rules_create_list[i]) {
+		case 0:
+			/* no rule */
+			continue;
+		case IB_FLOW_SPEC_IB:
+			ib_spec.type = IB_FLOW_SPEC_IB;
+			ib_spec.size = sizeof(struct ib_flow_spec_ib);
+
+			break;
+		default:
+			/* invalid rule */
+			return -EINVAL;
+		}
+		/* We must put empty rule, qpn is being ignored */
+		ret = parse_flow_attr(mdev->dev, 0, &ib_spec,
+				      mlx4_spec);
+		if (ret < 0) {
+			pr_info("invalid parsing\n");
+			return -EINVAL;
+		}
+
+		mlx4_spec = (void *)mlx4_spec + ret;
+		size += ret;
+	}
+	return size;
+}
+
+static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
+			  int domain,
+			  enum mlx4_net_trans_promisc_mode flow_type,
+			  u64 *reg_id)
+{
+	int ret, i;
+	int size = 0;
+	void *ib_flow;
+	struct mlx4_ib_dev *mdev = to_mdev(qp->device);
+	struct mlx4_cmd_mailbox *mailbox;
+	struct mlx4_net_trans_rule_hw_ctrl *ctrl;
+	int default_flow;
+
+	static const u16 __mlx4_domain[] = {
+		[IB_FLOW_DOMAIN_USER] = MLX4_DOMAIN_UVERBS,
+		[IB_FLOW_DOMAIN_ETHTOOL] = MLX4_DOMAIN_ETHTOOL,
+		[IB_FLOW_DOMAIN_RFS] = MLX4_DOMAIN_RFS,
+		[IB_FLOW_DOMAIN_NIC] = MLX4_DOMAIN_NIC,
+	};
+
+	if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) {
+		pr_err("Invalid priority value %d\n", flow_attr->priority);
+		return -EINVAL;
+	}
+
+	if (domain >= IB_FLOW_DOMAIN_NUM) {
+		pr_err("Invalid domain value %d\n", domain);
+		return -EINVAL;
+	}
+
+	if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0)
+		return -EINVAL;
+
+	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
+	if (IS_ERR(mailbox))
+		return PTR_ERR(mailbox);
+	ctrl = mailbox->buf;
+
+	ctrl->prio = cpu_to_be16(__mlx4_domain[domain] |
+				 flow_attr->priority);
+	ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type);
+	ctrl->port = flow_attr->port;
+	ctrl->qpn = cpu_to_be32(qp->qp_num);
+
+	ib_flow = flow_attr + 1;
+	size += sizeof(struct mlx4_net_trans_rule_hw_ctrl);
+	/* Add default flows */
+	default_flow = __mlx4_ib_default_rules_match(qp, flow_attr);
+	if (default_flow >= 0) {
+		ret = __mlx4_ib_create_default_rules(
+				mdev, qp, default_table + default_flow,
+				mailbox->buf + size);
+		if (ret < 0) {
+			mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+			return -EINVAL;
+		}
+		size += ret;
+	}
+	for (i = 0; i < flow_attr->num_of_specs; i++) {
+		ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow,
+				      mailbox->buf + size);
+		if (ret < 0) {
+			mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+			return -EINVAL;
+		}
+		ib_flow += ((union ib_flow_spec *) ib_flow)->size;
+		size += ret;
+	}
+
+	ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0,
+			   MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
+			   MLX4_CMD_NATIVE);
+	if (ret == -ENOMEM)
+		pr_err("mcg table is full. Fail to register network rule.\n");
+	else if (ret == -ENXIO)
+		pr_err("Device managed flow steering is disabled. Fail to register network rule.\n");
+	else if (ret)
+		pr_err("Invalid argumant. Fail to register network rule.\n");
+
+	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
+	return ret;
+}
+
+static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
+{
+	int err;
+	err = mlx4_cmd(dev, reg_id, 0, 0,
+		       MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
+		       MLX4_CMD_NATIVE);
+	if (err)
+		pr_err("Fail to detach network rule. registration id = 0x%llx\n",
+		       reg_id);
+	return err;
+}
+
+static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
+				    struct ib_flow_attr *flow_attr,
+				    int domain)
+{
+	int err = 0, i = 0;
+	struct mlx4_ib_flow *mflow;
+	enum mlx4_net_trans_promisc_mode type[2];
+
+	memset(type, 0, sizeof(type));
+
+	mflow = kzalloc(sizeof(*mflow), GFP_KERNEL);
+	if (!mflow) {
+		err = -ENOMEM;
+		goto err_free;
+	}
+
+	switch (flow_attr->type) {
+	case IB_FLOW_ATTR_NORMAL:
+		type[0] = MLX4_FS_REGULAR;
+		break;
+
+	case IB_FLOW_ATTR_ALL_DEFAULT:
+		type[0] = MLX4_FS_ALL_DEFAULT;
+		break;
+
+	case IB_FLOW_ATTR_MC_DEFAULT:
+		type[0] = MLX4_FS_MC_DEFAULT;
+		break;
+
+	case IB_FLOW_ATTR_SNIFFER:
+		type[0] = MLX4_FS_UC_SNIFFER;
+		type[1] = MLX4_FS_MC_SNIFFER;
+		break;
+
+	default:
+		err = -EINVAL;
+		goto err_free;
+	}
+
+	while (i < ARRAY_SIZE(type) && type[i]) {
+		err = __mlx4_ib_create_flow(qp, flow_attr, domain, type[i],
+					    &mflow->reg_id[i]);
+		if (err)
+			goto err_free;
+		i++;
+	}
+
+	return &mflow->ibflow;
+
+err_free:
+	kfree(mflow);
+	return ERR_PTR(err);
+}
+
+static int mlx4_ib_destroy_flow(struct ib_flow *flow_id)
+{
+	int err, ret = 0;
+	int i = 0;
+	struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device);
+	struct mlx4_ib_flow *mflow = to_mflow(flow_id);
+
+	while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i]) {
+		err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i]);
+		if (err)
+			ret = err;
+		i++;
+	}
+
+	kfree(mflow);
+	return ret;
+}
+
 static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 {
 	int err;
 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
+	u64 reg_id;
+	struct mlx4_ib_steering *ib_steering = NULL;
+	enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
+		MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+
+	if (mdev->dev->caps.steering_mode ==
+	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
+		ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL);
+		if (!ib_steering)
+			return -ENOMEM;
+	}
 
-	err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw,
-				    !!(mqp->flags & MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
-				    MLX4_PROTOCOL_IB);
+	err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port,
+				    !!(mqp->flags &
+				       MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
+				    prot, &reg_id);
 	if (err)
-		return err;
+		goto err_malloc;
 
 	err = add_gid_entry(ibqp, gid);
 	if (err)
 		goto err_add;
 
+	if (ib_steering) {
+		memcpy(ib_steering->gid.raw, gid->raw, 16);
+		ib_steering->reg_id = reg_id;
+		mutex_lock(&mqp->mutex);
+		list_add(&ib_steering->list, &mqp->steering_rules);
+		mutex_unlock(&mqp->mutex);
+	}
 	return 0;
 
 err_add:
-	mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, MLX4_PROTOCOL_IB);
+	mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
+			      prot, reg_id);
+err_malloc:
+	kfree(ib_steering);
+
 	return err;
 }
 
@@ -661,12 +1230,34 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 	int err;
 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
-	u8 mac[6];
 	struct net_device *ndev;
 	struct mlx4_ib_gid_entry *ge;
+	u64 reg_id = 0;
+	enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
+		MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+
+	if (mdev->dev->caps.steering_mode ==
+	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
+		struct mlx4_ib_steering *ib_steering;
+
+		mutex_lock(&mqp->mutex);
+		list_for_each_entry(ib_steering, &mqp->steering_rules, list) {
+			if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) {
+				list_del(&ib_steering->list);
+				break;
+			}
+		}
+		mutex_unlock(&mqp->mutex);
+		if (&ib_steering->list == &mqp->steering_rules) {
+			pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n");
+			return -EINVAL;
+		}
+		reg_id = ib_steering->reg_id;
+		kfree(ib_steering);
+	}
 
-	err = mlx4_multicast_detach(mdev->dev,
-				    &mqp->mqp, gid->raw, MLX4_PROTOCOL_IB);
+	err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
+				    prot, reg_id);
 	if (err)
 		return err;
 
@@ -678,17 +1269,12 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 		if (ndev)
 			dev_hold(ndev);
 		spin_unlock(&mdev->iboe.lock);
-		rdma_get_mcast_mac((struct in6_addr *)gid, mac);
-		if (ndev) {
-			rtnl_lock();
-			dev_mc_del(mdev->iboe.netdevs[ge->port - 1], mac);
-			rtnl_unlock();
+		if (ndev)
 			dev_put(ndev);
-		}
 		list_del(&ge->list);
 		kfree(ge);
 	} else
-		printk(KERN_WARNING "could not find mgid entry\n");
+		pr_warn("could not find mgid entry\n");
 
 	mutex_unlock(&mqp->mutex);
 
@@ -699,6 +1285,7 @@ static int init_node_data(struct mlx4_ib_dev *dev)
 {
 	struct ib_smp *in_mad  = NULL;
 	struct ib_smp *out_mad = NULL;
+	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
 	int err = -ENOMEM;
 
 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
@@ -708,8 +1295,10 @@ static int init_node_data(struct mlx4_ib_dev *dev)
 
 	init_query_mad(in_mad);
 	in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
+	if (mlx4_is_master(dev->dev))
+		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
 
-	err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
+	err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
 	if (err)
 		goto out;
 
@@ -717,7 +1306,7 @@ static int init_node_data(struct mlx4_ib_dev *dev)
 
 	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
 
-	err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
+	err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
 	if (err)
 		goto out;
 
@@ -777,7 +1366,8 @@ static struct device_attribute *mlx4_class_attributes[] = {
 	&dev_attr_board_id
 };
 
-static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, struct net_device *dev)
+static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id,
+				     struct net_device *dev)
 {
 	memcpy(eui, dev->dev_addr, 3);
 	memcpy(eui + 5, dev->dev_addr + 3, 3);
@@ -798,11 +1388,10 @@ static void update_gids_task(struct work_struct *work)
 	union ib_gid *gids;
 	int err;
 	struct mlx4_dev	*dev = gw->dev->dev;
-	struct ib_event event;
 
 	mailbox = mlx4_alloc_cmd_mailbox(dev);
 	if (IS_ERR(mailbox)) {
-		printk(KERN_WARNING "update gid table failed %ld\n", PTR_ERR(mailbox));
+		pr_warn("update gid table failed %ld\n", PTR_ERR(mailbox));
 		return;
 	}
 
@@ -810,181 +1399,564 @@ static void update_gids_task(struct work_struct *work)
 	memcpy(gids, gw->gids, sizeof gw->gids);
 
 	err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
-		       1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B);
+		       1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
+		       MLX4_CMD_WRAPPED);
 	if (err)
-		printk(KERN_WARNING "set port command failed\n");
-	else {
-		memcpy(gw->dev->iboe.gid_table[gw->port - 1], gw->gids, sizeof gw->gids);
-		event.device = &gw->dev->ib_dev;
-		event.element.port_num = gw->port;
-		event.event    = IB_EVENT_LID_CHANGE;
-		ib_dispatch_event(&event);
+		pr_warn("set port command failed\n");
+	else
+		mlx4_ib_dispatch_event(gw->dev, gw->port, IB_EVENT_GID_CHANGE);
+
+	mlx4_free_cmd_mailbox(dev, mailbox);
+	kfree(gw);
+}
+
+static void reset_gids_task(struct work_struct *work)
+{
+	struct update_gid_work *gw =
+			container_of(work, struct update_gid_work, work);
+	struct mlx4_cmd_mailbox *mailbox;
+	union ib_gid *gids;
+	int err;
+	struct mlx4_dev	*dev = gw->dev->dev;
+
+	mailbox = mlx4_alloc_cmd_mailbox(dev);
+	if (IS_ERR(mailbox)) {
+		pr_warn("reset gid table failed\n");
+		goto free;
+	}
+
+	gids = mailbox->buf;
+	memcpy(gids, gw->gids, sizeof(gw->gids));
+
+	if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) ==
+				    IB_LINK_LAYER_ETHERNET) {
+		err = mlx4_cmd(dev, mailbox->dma,
+			       MLX4_SET_PORT_GID_TABLE << 8 | gw->port,
+			       1, MLX4_CMD_SET_PORT,
+			       MLX4_CMD_TIME_CLASS_B,
+			       MLX4_CMD_WRAPPED);
+		if (err)
+			pr_warn(KERN_WARNING
+				"set port %d command failed\n", gw->port);
 	}
 
 	mlx4_free_cmd_mailbox(dev, mailbox);
+free:
 	kfree(gw);
 }
 
-static int update_ipv6_gids(struct mlx4_ib_dev *dev, int port, int clear)
+static int update_gid_table(struct mlx4_ib_dev *dev, int port,
+			    union ib_gid *gid, int clear,
+			    int default_gid)
 {
-	struct net_device *ndev = dev->iboe.netdevs[port - 1];
 	struct update_gid_work *work;
-	struct net_device *tmp;
 	int i;
-	u8 *hits;
-	int ret;
-	union ib_gid gid;
-	int free;
-	int found;
 	int need_update = 0;
-	u16 vid;
-
-	work = kzalloc(sizeof *work, GFP_ATOMIC);
-	if (!work)
-		return -ENOMEM;
-
-	hits = kzalloc(128, GFP_ATOMIC);
-	if (!hits) {
-		ret = -ENOMEM;
-		goto out;
-	}
+	int free = -1;
+	int found = -1;
+	int max_gids;
 
-	rcu_read_lock();
-	for_each_netdev_rcu(&init_net, tmp) {
-		if (ndev && (tmp == ndev || rdma_vlan_dev_real_dev(tmp) == ndev)) {
-			gid.global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
-			vid = rdma_vlan_dev_vlan_id(tmp);
-			mlx4_addrconf_ifid_eui48(&gid.raw[8], vid, ndev);
-			found = 0;
-			free = -1;
-			for (i = 0; i < 128; ++i) {
-				if (free < 0 &&
-				    !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid))
-					free = i;
-				if (!memcmp(&dev->iboe.gid_table[port - 1][i], &gid, sizeof gid)) {
-					hits[i] = 1;
-					found = 1;
+	if (default_gid) {
+		free = 0;
+	} else {
+		max_gids = dev->dev->caps.gid_table_len[port];
+		for (i = 1; i < max_gids; ++i) {
+			if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid,
+				    sizeof(*gid)))
+				found = i;
+
+			if (clear) {
+				if (found >= 0) {
+					need_update = 1;
+					dev->iboe.gid_table[port - 1][found] =
+						zgid;
 					break;
 				}
-			}
+			} else {
+				if (found >= 0)
+					break;
 
-			if (!found) {
-				if (tmp == ndev &&
-				    (memcmp(&dev->iboe.gid_table[port - 1][0],
-					    &gid, sizeof gid) ||
-				     !memcmp(&dev->iboe.gid_table[port - 1][0],
-					     &zgid, sizeof gid))) {
-					dev->iboe.gid_table[port - 1][0] = gid;
-					++need_update;
-					hits[0] = 1;
-				} else if (free >= 0) {
-					dev->iboe.gid_table[port - 1][free] = gid;
-					hits[free] = 1;
-					++need_update;
-				}
+				if (free < 0 &&
+				    !memcmp(&dev->iboe.gid_table[port - 1][i],
+					    &zgid, sizeof(*gid)))
+					free = i;
 			}
 		}
 	}
-	rcu_read_unlock();
 
-	for (i = 0; i < 128; ++i)
-		if (!hits[i]) {
-			if (memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, sizeof zgid))
-				++need_update;
-			dev->iboe.gid_table[port - 1][i] = zgid;
-		}
+	if (found == -1 && !clear && free >= 0) {
+		dev->iboe.gid_table[port - 1][free] = *gid;
+		need_update = 1;
+	}
 
-	if (need_update) {
-		memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof work->gids);
-		INIT_WORK(&work->work, update_gids_task);
-		work->port = port;
-		work->dev = dev;
-		queue_work(wq, &work->work);
-	} else
-		kfree(work);
+	if (!need_update)
+		return 0;
+
+	work = kzalloc(sizeof(*work), GFP_ATOMIC);
+	if (!work)
+		return -ENOMEM;
+
+	memcpy(work->gids, dev->iboe.gid_table[port - 1], sizeof(work->gids));
+	INIT_WORK(&work->work, update_gids_task);
+	work->port = port;
+	work->dev = dev;
+	queue_work(wq, &work->work);
 
-	kfree(hits);
 	return 0;
+}
 
-out:
-	kfree(work);
-	return ret;
+static void mlx4_make_default_gid(struct  net_device *dev, union ib_gid *gid)
+{
+	gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
+	mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev);
 }
 
-static void handle_en_event(struct mlx4_ib_dev *dev, int port, unsigned long event)
+
+static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port)
 {
-	switch (event) {
-	case NETDEV_UP:
-	case NETDEV_CHANGEADDR:
-		update_ipv6_gids(dev, port, 0);
-		break;
+	struct update_gid_work *work;
+
+	work = kzalloc(sizeof(*work), GFP_ATOMIC);
+	if (!work)
+		return -ENOMEM;
+
+	memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids));
+	memset(work->gids, 0, sizeof(work->gids));
+	INIT_WORK(&work->work, reset_gids_task);
+	work->dev = dev;
+	work->port = port;
+	queue_work(wq, &work->work);
+	return 0;
+}
+
+static int mlx4_ib_addr_event(int event, struct net_device *event_netdev,
+			      struct mlx4_ib_dev *ibdev, union ib_gid *gid)
+{
+	struct mlx4_ib_iboe *iboe;
+	int port = 0;
+	struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ?
+				rdma_vlan_dev_real_dev(event_netdev) :
+				event_netdev;
+	union ib_gid default_gid;
+
+	mlx4_make_default_gid(real_dev, &default_gid);
+
+	if (!memcmp(gid, &default_gid, sizeof(*gid)))
+		return 0;
+
+	if (event != NETDEV_DOWN && event != NETDEV_UP)
+		return 0;
+
+	if ((real_dev != event_netdev) &&
+	    (event == NETDEV_DOWN) &&
+	    rdma_link_local_addr((struct in6_addr *)gid))
+		return 0;
+
+	iboe = &ibdev->iboe;
+	spin_lock(&iboe->lock);
+
+	for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
+		if ((netif_is_bond_master(real_dev) &&
+		     (real_dev == iboe->masters[port - 1])) ||
+		     (!netif_is_bond_master(real_dev) &&
+		     (real_dev == iboe->netdevs[port - 1])))
+			update_gid_table(ibdev, port, gid,
+					 event == NETDEV_DOWN, 0);
+
+	spin_unlock(&iboe->lock);
+	return 0;
 
-	case NETDEV_DOWN:
-		update_ipv6_gids(dev, port, 1);
-		dev->iboe.netdevs[port - 1] = NULL;
-	}
 }
 
-static void netdev_added(struct mlx4_ib_dev *dev, int port)
+static u8 mlx4_ib_get_dev_port(struct net_device *dev,
+			       struct mlx4_ib_dev *ibdev)
 {
-	update_ipv6_gids(dev, port, 0);
+	u8 port = 0;
+	struct mlx4_ib_iboe *iboe;
+	struct net_device *real_dev = rdma_vlan_dev_real_dev(dev) ?
+				rdma_vlan_dev_real_dev(dev) : dev;
+
+	iboe = &ibdev->iboe;
+
+	for (port = 1; port <= ibdev->dev->caps.num_ports; ++port)
+		if ((netif_is_bond_master(real_dev) &&
+		     (real_dev == iboe->masters[port - 1])) ||
+		     (!netif_is_bond_master(real_dev) &&
+		     (real_dev == iboe->netdevs[port - 1])))
+			break;
+
+	if ((port == 0) || (port > ibdev->dev->caps.num_ports))
+		return 0;
+	else
+		return port;
 }
 
-static void netdev_removed(struct mlx4_ib_dev *dev, int port)
+static int mlx4_ib_inet_event(struct notifier_block *this, unsigned long event,
+				void *ptr)
 {
-	update_ipv6_gids(dev, port, 1);
+	struct mlx4_ib_dev *ibdev;
+	struct in_ifaddr *ifa = ptr;
+	union ib_gid gid;
+	struct net_device *event_netdev = ifa->ifa_dev->dev;
+
+	ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid);
+
+	ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet);
+
+	mlx4_ib_addr_event(event, event_netdev, ibdev, &gid);
+	return NOTIFY_DONE;
 }
 
-static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event,
+#if IS_ENABLED(CONFIG_IPV6)
+static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
 				void *ptr)
 {
-	struct net_device *dev = ptr;
 	struct mlx4_ib_dev *ibdev;
-	struct net_device *oldnd;
+	struct inet6_ifaddr *ifa = ptr;
+	union  ib_gid *gid = (union ib_gid *)&ifa->addr;
+	struct net_device *event_netdev = ifa->idev->dev;
+
+	ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb_inet6);
+
+	mlx4_ib_addr_event(event, event_netdev, ibdev, gid);
+	return NOTIFY_DONE;
+}
+#endif
+
+#define MLX4_IB_INVALID_MAC	((u64)-1)
+static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
+			       struct net_device *dev,
+			       int port)
+{
+	u64 new_smac = 0;
+	u64 release_mac = MLX4_IB_INVALID_MAC;
+	struct mlx4_ib_qp *qp;
+
+	read_lock(&dev_base_lock);
+	new_smac = mlx4_mac_to_u64(dev->dev_addr);
+	read_unlock(&dev_base_lock);
+
+	mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
+	qp = ibdev->qp1_proxy[port - 1];
+	if (qp) {
+		int new_smac_index;
+		u64 old_smac = qp->pri.smac;
+		struct mlx4_update_qp_params update_params;
+
+		if (new_smac == old_smac)
+			goto unlock;
+
+		new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
+
+		if (new_smac_index < 0)
+			goto unlock;
+
+		update_params.smac_index = new_smac_index;
+		if (mlx4_update_qp(ibdev->dev, &qp->mqp, MLX4_UPDATE_QP_SMAC,
+				   &update_params)) {
+			release_mac = new_smac;
+			goto unlock;
+		}
+
+		qp->pri.smac = new_smac;
+		qp->pri.smac_index = new_smac_index;
+
+		release_mac = old_smac;
+	}
+
+unlock:
+	mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
+	if (release_mac != MLX4_IB_INVALID_MAC)
+		mlx4_unregister_mac(ibdev->dev, port, release_mac);
+}
+
+static void mlx4_ib_get_dev_addr(struct net_device *dev,
+				 struct mlx4_ib_dev *ibdev, u8 port)
+{
+	struct in_device *in_dev;
+#if IS_ENABLED(CONFIG_IPV6)
+	struct inet6_dev *in6_dev;
+	union ib_gid  *pgid;
+	struct inet6_ifaddr *ifp;
+#endif
+	union ib_gid gid;
+
+
+	if ((port == 0) || (port > ibdev->dev->caps.num_ports))
+		return;
+
+	/* IPv4 gids */
+	in_dev = in_dev_get(dev);
+	if (in_dev) {
+		for_ifa(in_dev) {
+			/*ifa->ifa_address;*/
+			ipv6_addr_set_v4mapped(ifa->ifa_address,
+					       (struct in6_addr *)&gid);
+			update_gid_table(ibdev, port, &gid, 0, 0);
+		}
+		endfor_ifa(in_dev);
+		in_dev_put(in_dev);
+	}
+#if IS_ENABLED(CONFIG_IPV6)
+	/* IPv6 gids */
+	in6_dev = in6_dev_get(dev);
+	if (in6_dev) {
+		read_lock_bh(&in6_dev->lock);
+		list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
+			pgid = (union ib_gid *)&ifp->addr;
+			update_gid_table(ibdev, port, pgid, 0, 0);
+		}
+		read_unlock_bh(&in6_dev->lock);
+		in6_dev_put(in6_dev);
+	}
+#endif
+}
+
+static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev,
+				 struct  net_device *dev, u8 port)
+{
+	union ib_gid gid;
+	mlx4_make_default_gid(dev, &gid);
+	update_gid_table(ibdev, port, &gid, 0, 1);
+}
+
+static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
+{
+	struct	net_device *dev;
+	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
+	int i;
+
+	for (i = 1; i <= ibdev->num_ports; ++i)
+		if (reset_gid_table(ibdev, i))
+			return -1;
+
+	read_lock(&dev_base_lock);
+	spin_lock(&iboe->lock);
+
+	for_each_netdev(&init_net, dev) {
+		u8 port = mlx4_ib_get_dev_port(dev, ibdev);
+		if (port)
+			mlx4_ib_get_dev_addr(dev, ibdev, port);
+	}
+
+	spin_unlock(&iboe->lock);
+	read_unlock(&dev_base_lock);
+
+	return 0;
+}
+
+static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
+				 struct net_device *dev,
+				 unsigned long event)
+
+{
 	struct mlx4_ib_iboe *iboe;
+	int update_qps_port = -1;
 	int port;
 
-	if (!net_eq(dev_net(dev), &init_net))
-		return NOTIFY_DONE;
-
-	ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
 	iboe = &ibdev->iboe;
 
 	spin_lock(&iboe->lock);
 	mlx4_foreach_ib_transport_port(port, ibdev->dev) {
-		oldnd = iboe->netdevs[port - 1];
+		enum ib_port_state	port_state = IB_PORT_NOP;
+		struct net_device *old_master = iboe->masters[port - 1];
+		struct net_device *curr_netdev;
+		struct net_device *curr_master;
+
 		iboe->netdevs[port - 1] =
-			mlx4_get_protocol_dev(ibdev->dev, MLX4_PROTOCOL_EN, port);
-		if (oldnd != iboe->netdevs[port - 1]) {
-			if (iboe->netdevs[port - 1])
-				netdev_added(ibdev, port);
-			else
-				netdev_removed(ibdev, port);
+			mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port);
+		if (iboe->netdevs[port - 1])
+			mlx4_ib_set_default_gid(ibdev,
+						iboe->netdevs[port - 1], port);
+		curr_netdev = iboe->netdevs[port - 1];
+
+		if (iboe->netdevs[port - 1] &&
+		    netif_is_bond_slave(iboe->netdevs[port - 1])) {
+			iboe->masters[port - 1] = netdev_master_upper_dev_get(
+				iboe->netdevs[port - 1]);
+		} else {
+			iboe->masters[port - 1] = NULL;
+		}
+		curr_master = iboe->masters[port - 1];
+
+		if (dev == iboe->netdevs[port - 1] &&
+		    (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
+		     event == NETDEV_UP || event == NETDEV_CHANGE))
+			update_qps_port = port;
+
+		if (curr_netdev) {
+			port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
+						IB_PORT_ACTIVE : IB_PORT_DOWN;
+			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
+		} else {
+			reset_gid_table(ibdev, port);
+		}
+		/* if using bonding/team and a slave port is down, we don't the bond IP
+		 * based gids in the table since flows that select port by gid may get
+		 * the down port.
+		 */
+		if (curr_master && (port_state == IB_PORT_DOWN)) {
+			reset_gid_table(ibdev, port);
+			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
+		}
+		/* if bonding is used it is possible that we add it to masters
+		 * only after IP address is assigned to the net bonding
+		 * interface.
+		*/
+		if (curr_master && (old_master != curr_master)) {
+			reset_gid_table(ibdev, port);
+			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
+			mlx4_ib_get_dev_addr(curr_master, ibdev, port);
 		}
-	}
 
-	if (dev == iboe->netdevs[0] ||
-	    (iboe->netdevs[0] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[0]))
-		handle_en_event(ibdev, 1, event);
-	else if (dev == iboe->netdevs[1]
-		 || (iboe->netdevs[1] && rdma_vlan_dev_real_dev(dev) == iboe->netdevs[1]))
-		handle_en_event(ibdev, 2, event);
+		if (!curr_master && (old_master != curr_master)) {
+			reset_gid_table(ibdev, port);
+			mlx4_ib_set_default_gid(ibdev, curr_netdev, port);
+			mlx4_ib_get_dev_addr(curr_netdev, ibdev, port);
+		}
+	}
 
 	spin_unlock(&iboe->lock);
 
+	if (update_qps_port > 0)
+		mlx4_ib_update_qps(ibdev, dev, update_qps_port);
+}
+
+static int mlx4_ib_netdev_event(struct notifier_block *this,
+				unsigned long event, void *ptr)
+{
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+	struct mlx4_ib_dev *ibdev;
+
+	if (!net_eq(dev_net(dev), &init_net))
+		return NOTIFY_DONE;
+
+	ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
+	mlx4_ib_scan_netdevs(ibdev, dev, event);
+
 	return NOTIFY_DONE;
 }
 
+static void init_pkeys(struct mlx4_ib_dev *ibdev)
+{
+	int port;
+	int slave;
+	int i;
+
+	if (mlx4_is_master(ibdev->dev)) {
+		for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) {
+			for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
+				for (i = 0;
+				     i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
+				     ++i) {
+					ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] =
+					/* master has the identity virt2phys pkey mapping */
+						(slave == mlx4_master_func_num(ibdev->dev) || !i) ? i :
+							ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1;
+					mlx4_sync_pkey_table(ibdev->dev, slave, port, i,
+							     ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]);
+				}
+			}
+		}
+		/* initialize pkey cache */
+		for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
+			for (i = 0;
+			     i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
+			     ++i)
+				ibdev->pkeys.phys_pkey_cache[port-1][i] =
+					(i) ? 0 : 0xFFFF;
+		}
+	}
+}
+
+static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
+{
+	char name[80];
+	int eq_per_port = 0;
+	int added_eqs = 0;
+	int total_eqs = 0;
+	int i, j, eq;
+
+	/* Legacy mode or comp_pool is not large enough */
+	if (dev->caps.comp_pool == 0 ||
+	    dev->caps.num_ports > dev->caps.comp_pool)
+		return;
+
+	eq_per_port = rounddown_pow_of_two(dev->caps.comp_pool/
+					dev->caps.num_ports);
+
+	/* Init eq table */
+	added_eqs = 0;
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+		added_eqs += eq_per_port;
+
+	total_eqs = dev->caps.num_comp_vectors + added_eqs;
+
+	ibdev->eq_table = kzalloc(total_eqs * sizeof(int), GFP_KERNEL);
+	if (!ibdev->eq_table)
+		return;
+
+	ibdev->eq_added = added_eqs;
+
+	eq = 0;
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) {
+		for (j = 0; j < eq_per_port; j++) {
+			snprintf(name, sizeof(name), "mlx4-ib-%d-%d@%s",
+				 i, j, dev->pdev->bus->name);
+			/* Set IRQ for specific name (per ring) */
+			if (mlx4_assign_eq(dev, name, NULL,
+					   &ibdev->eq_table[eq])) {
+				/* Use legacy (same as mlx4_en driver) */
+				pr_warn("Can't allocate EQ %d; reverting to legacy\n", eq);
+				ibdev->eq_table[eq] =
+					(eq % dev->caps.num_comp_vectors);
+			}
+			eq++;
+		}
+	}
+
+	/* Fill the reset of the vector with legacy EQ */
+	for (i = 0, eq = added_eqs; i < dev->caps.num_comp_vectors; i++)
+		ibdev->eq_table[eq++] = i;
+
+	/* Advertise the new number of EQs to clients */
+	ibdev->ib_dev.num_comp_vectors = total_eqs;
+}
+
+static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
+{
+	int i;
+
+	/* no additional eqs were added */
+	if (!ibdev->eq_table)
+		return;
+
+	/* Reset the advertised EQ number */
+	ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
+
+	/* Free only the added eqs */
+	for (i = 0; i < ibdev->eq_added; i++) {
+		/* Don't free legacy eqs if used */
+		if (ibdev->eq_table[i] <= dev->caps.num_comp_vectors)
+			continue;
+		mlx4_release_eq(dev, ibdev->eq_table[i]);
+	}
+
+	kfree(ibdev->eq_table);
+}
+
 static void *mlx4_ib_add(struct mlx4_dev *dev)
 {
 	struct mlx4_ib_dev *ibdev;
 	int num_ports = 0;
-	int i;
+	int i, j;
 	int err;
 	struct mlx4_ib_iboe *iboe;
+	int ib_num_ports = 0;
 
-	printk_once(KERN_INFO "%s", mlx4_ib_version);
+	pr_info_once("%s", mlx4_ib_version);
 
+	num_ports = 0;
 	mlx4_foreach_ib_transport_port(i, dev)
 		num_ports++;
 
@@ -1023,7 +1995,11 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 	ibdev->ib_dev.num_comp_vectors	= dev->caps.num_comp_vectors;
 	ibdev->ib_dev.dma_device	= &dev->pdev->dev;
 
-	ibdev->ib_dev.uverbs_abi_ver	= MLX4_IB_UVERBS_ABI_VERSION;
+	if (dev->caps.userspace_caps)
+		ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
+	else
+		ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION;
+
 	ibdev->ib_dev.uverbs_cmd_mask	=
 		(1ull << IB_USER_VERBS_CMD_GET_CONTEXT)		|
 		(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE)	|
@@ -1045,7 +2021,9 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 		(1ull << IB_USER_VERBS_CMD_CREATE_SRQ)		|
 		(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ)		|
 		(1ull << IB_USER_VERBS_CMD_QUERY_SRQ)		|
-		(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
+		(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ)		|
+		(1ull << IB_USER_VERBS_CMD_CREATE_XSRQ)		|
+		(1ull << IB_USER_VERBS_CMD_OPEN_QP);
 
 	ibdev->ib_dev.query_device	= mlx4_ib_query_device;
 	ibdev->ib_dev.query_port	= mlx4_ib_query_port;
@@ -1089,50 +2067,201 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 	ibdev->ib_dev.detach_mcast	= mlx4_ib_mcg_detach;
 	ibdev->ib_dev.process_mad	= mlx4_ib_process_mad;
 
-	ibdev->ib_dev.alloc_fmr		= mlx4_ib_fmr_alloc;
-	ibdev->ib_dev.map_phys_fmr	= mlx4_ib_map_phys_fmr;
-	ibdev->ib_dev.unmap_fmr		= mlx4_ib_unmap_fmr;
-	ibdev->ib_dev.dealloc_fmr	= mlx4_ib_fmr_dealloc;
+	if (!mlx4_is_slave(ibdev->dev)) {
+		ibdev->ib_dev.alloc_fmr		= mlx4_ib_fmr_alloc;
+		ibdev->ib_dev.map_phys_fmr	= mlx4_ib_map_phys_fmr;
+		ibdev->ib_dev.unmap_fmr		= mlx4_ib_unmap_fmr;
+		ibdev->ib_dev.dealloc_fmr	= mlx4_ib_fmr_dealloc;
+	}
+
+	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
+	    dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
+		ibdev->ib_dev.alloc_mw = mlx4_ib_alloc_mw;
+		ibdev->ib_dev.bind_mw = mlx4_ib_bind_mw;
+		ibdev->ib_dev.dealloc_mw = mlx4_ib_dealloc_mw;
+
+		ibdev->ib_dev.uverbs_cmd_mask |=
+			(1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
+			(1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
+	}
+
+	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) {
+		ibdev->ib_dev.alloc_xrcd = mlx4_ib_alloc_xrcd;
+		ibdev->ib_dev.dealloc_xrcd = mlx4_ib_dealloc_xrcd;
+		ibdev->ib_dev.uverbs_cmd_mask |=
+			(1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
+			(1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
+	}
+
+	if (check_flow_steering_support(dev)) {
+		ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED;
+		ibdev->ib_dev.create_flow	= mlx4_ib_create_flow;
+		ibdev->ib_dev.destroy_flow	= mlx4_ib_destroy_flow;
+
+		ibdev->ib_dev.uverbs_ex_cmd_mask	|=
+			(1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
+			(1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
+	}
+
+	mlx4_ib_alloc_eqs(dev, ibdev);
 
 	spin_lock_init(&iboe->lock);
 
 	if (init_node_data(ibdev))
 		goto err_map;
 
+	for (i = 0; i < ibdev->num_ports; ++i) {
+		mutex_init(&ibdev->qp1_proxy_lock[i]);
+		if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
+						IB_LINK_LAYER_ETHERNET) {
+			err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]);
+			if (err)
+				ibdev->counters[i] = -1;
+		} else {
+			ibdev->counters[i] = -1;
+		}
+	}
+
+	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+		ib_num_ports++;
+
 	spin_lock_init(&ibdev->sm_lock);
 	mutex_init(&ibdev->cap_mask_mutex);
 
+	if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED &&
+	    ib_num_ports) {
+		ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS;
+		err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count,
+					    MLX4_IB_UC_STEER_QPN_ALIGN,
+					    &ibdev->steer_qpn_base);
+		if (err)
+			goto err_counter;
+
+		ibdev->ib_uc_qpns_bitmap =
+			kmalloc(BITS_TO_LONGS(ibdev->steer_qpn_count) *
+				sizeof(long),
+				GFP_KERNEL);
+		if (!ibdev->ib_uc_qpns_bitmap) {
+			dev_err(&dev->pdev->dev, "bit map alloc failed\n");
+			goto err_steer_qp_release;
+		}
+
+		bitmap_zero(ibdev->ib_uc_qpns_bitmap, ibdev->steer_qpn_count);
+
+		err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
+				dev, ibdev->steer_qpn_base,
+				ibdev->steer_qpn_base +
+				ibdev->steer_qpn_count - 1);
+		if (err)
+			goto err_steer_free_bitmap;
+	}
+
 	if (ib_register_device(&ibdev->ib_dev, NULL))
-		goto err_map;
+		goto err_steer_free_bitmap;
 
 	if (mlx4_ib_mad_init(ibdev))
 		goto err_reg;
 
-	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE && !iboe->nb.notifier_call) {
-		iboe->nb.notifier_call = mlx4_ib_netdev_event;
-		err = register_netdevice_notifier(&iboe->nb);
-		if (err)
-			goto err_reg;
+	if (mlx4_ib_init_sriov(ibdev))
+		goto err_mad;
+
+	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) {
+		if (!iboe->nb.notifier_call) {
+			iboe->nb.notifier_call = mlx4_ib_netdev_event;
+			err = register_netdevice_notifier(&iboe->nb);
+			if (err) {
+				iboe->nb.notifier_call = NULL;
+				goto err_notif;
+			}
+		}
+		if (!iboe->nb_inet.notifier_call) {
+			iboe->nb_inet.notifier_call = mlx4_ib_inet_event;
+			err = register_inetaddr_notifier(&iboe->nb_inet);
+			if (err) {
+				iboe->nb_inet.notifier_call = NULL;
+				goto err_notif;
+			}
+		}
+#if IS_ENABLED(CONFIG_IPV6)
+		if (!iboe->nb_inet6.notifier_call) {
+			iboe->nb_inet6.notifier_call = mlx4_ib_inet6_event;
+			err = register_inet6addr_notifier(&iboe->nb_inet6);
+			if (err) {
+				iboe->nb_inet6.notifier_call = NULL;
+				goto err_notif;
+			}
+		}
+#endif
+		for (i = 1 ; i <= ibdev->num_ports ; ++i)
+			reset_gid_table(ibdev, i);
+		rtnl_lock();
+		mlx4_ib_scan_netdevs(ibdev, NULL, 0);
+		rtnl_unlock();
+		mlx4_ib_init_gid_table(ibdev);
 	}
 
-	for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) {
+	for (j = 0; j < ARRAY_SIZE(mlx4_class_attributes); ++j) {
 		if (device_create_file(&ibdev->ib_dev.dev,
-				       mlx4_class_attributes[i]))
+				       mlx4_class_attributes[j]))
 			goto err_notif;
 	}
 
 	ibdev->ib_active = true;
 
+	if (mlx4_is_mfunc(ibdev->dev))
+		init_pkeys(ibdev);
+
+	/* create paravirt contexts for any VFs which are active */
+	if (mlx4_is_master(ibdev->dev)) {
+		for (j = 0; j < MLX4_MFUNC_MAX; j++) {
+			if (j == mlx4_master_func_num(ibdev->dev))
+				continue;
+			if (mlx4_is_slave_active(ibdev->dev, j))
+				do_slave_init(ibdev, j, 1);
+		}
+	}
 	return ibdev;
 
 err_notif:
-	if (unregister_netdevice_notifier(&ibdev->iboe.nb))
-		printk(KERN_WARNING "failure unregistering notifier\n");
+	if (ibdev->iboe.nb.notifier_call) {
+		if (unregister_netdevice_notifier(&ibdev->iboe.nb))
+			pr_warn("failure unregistering notifier\n");
+		ibdev->iboe.nb.notifier_call = NULL;
+	}
+	if (ibdev->iboe.nb_inet.notifier_call) {
+		if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
+			pr_warn("failure unregistering notifier\n");
+		ibdev->iboe.nb_inet.notifier_call = NULL;
+	}
+#if IS_ENABLED(CONFIG_IPV6)
+	if (ibdev->iboe.nb_inet6.notifier_call) {
+		if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
+			pr_warn("failure unregistering notifier\n");
+		ibdev->iboe.nb_inet6.notifier_call = NULL;
+	}
+#endif
 	flush_workqueue(wq);
 
+	mlx4_ib_close_sriov(ibdev);
+
+err_mad:
+	mlx4_ib_mad_cleanup(ibdev);
+
 err_reg:
 	ib_unregister_device(&ibdev->ib_dev);
 
+err_steer_free_bitmap:
+	kfree(ibdev->ib_uc_qpns_bitmap);
+
+err_steer_qp_release:
+	if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED)
+		mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
+				      ibdev->steer_qpn_count);
+err_counter:
+	for (; i; --i)
+		if (ibdev->counters[i - 1] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[i - 1]);
+
 err_map:
 	iounmap(ibdev->uar_map);
 
@@ -1148,43 +2277,196 @@ err_dealloc:
 	return NULL;
 }
 
+int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn)
+{
+	int offset;
+
+	WARN_ON(!dev->ib_uc_qpns_bitmap);
+
+	offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap,
+					 dev->steer_qpn_count,
+					 get_count_order(count));
+	if (offset < 0)
+		return offset;
+
+	*qpn = dev->steer_qpn_base + offset;
+	return 0;
+}
+
+void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count)
+{
+	if (!qpn ||
+	    dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED)
+		return;
+
+	BUG_ON(qpn < dev->steer_qpn_base);
+
+	bitmap_release_region(dev->ib_uc_qpns_bitmap,
+			      qpn - dev->steer_qpn_base,
+			      get_count_order(count));
+}
+
+int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
+			 int is_attach)
+{
+	int err;
+	size_t flow_size;
+	struct ib_flow_attr *flow = NULL;
+	struct ib_flow_spec_ib *ib_spec;
+
+	if (is_attach) {
+		flow_size = sizeof(struct ib_flow_attr) +
+			    sizeof(struct ib_flow_spec_ib);
+		flow = kzalloc(flow_size, GFP_KERNEL);
+		if (!flow)
+			return -ENOMEM;
+		flow->port = mqp->port;
+		flow->num_of_specs = 1;
+		flow->size = flow_size;
+		ib_spec = (struct ib_flow_spec_ib *)(flow + 1);
+		ib_spec->type = IB_FLOW_SPEC_IB;
+		ib_spec->size = sizeof(struct ib_flow_spec_ib);
+		/* Add an empty rule for IB L2 */
+		memset(&ib_spec->mask, 0, sizeof(ib_spec->mask));
+
+		err = __mlx4_ib_create_flow(&mqp->ibqp, flow,
+					    IB_FLOW_DOMAIN_NIC,
+					    MLX4_FS_REGULAR,
+					    &mqp->reg_id);
+	} else {
+		err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id);
+	}
+	kfree(flow);
+	return err;
+}
+
 static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
 {
 	struct mlx4_ib_dev *ibdev = ibdev_ptr;
 	int p;
 
+	mlx4_ib_close_sriov(ibdev);
 	mlx4_ib_mad_cleanup(ibdev);
 	ib_unregister_device(&ibdev->ib_dev);
 	if (ibdev->iboe.nb.notifier_call) {
 		if (unregister_netdevice_notifier(&ibdev->iboe.nb))
-			printk(KERN_WARNING "failure unregistering notifier\n");
+			pr_warn("failure unregistering notifier\n");
 		ibdev->iboe.nb.notifier_call = NULL;
 	}
-	iounmap(ibdev->uar_map);
 
+	if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) {
+		mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
+				      ibdev->steer_qpn_count);
+		kfree(ibdev->ib_uc_qpns_bitmap);
+	}
+
+	if (ibdev->iboe.nb_inet.notifier_call) {
+		if (unregister_inetaddr_notifier(&ibdev->iboe.nb_inet))
+			pr_warn("failure unregistering notifier\n");
+		ibdev->iboe.nb_inet.notifier_call = NULL;
+	}
+#if IS_ENABLED(CONFIG_IPV6)
+	if (ibdev->iboe.nb_inet6.notifier_call) {
+		if (unregister_inet6addr_notifier(&ibdev->iboe.nb_inet6))
+			pr_warn("failure unregistering notifier\n");
+		ibdev->iboe.nb_inet6.notifier_call = NULL;
+	}
+#endif
+
+	iounmap(ibdev->uar_map);
+	for (p = 0; p < ibdev->num_ports; ++p)
+		if (ibdev->counters[p] != -1)
+			mlx4_counter_free(ibdev->dev, ibdev->counters[p]);
 	mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
 		mlx4_CLOSE_PORT(dev, p);
 
+	mlx4_ib_free_eqs(dev, ibdev);
+
 	mlx4_uar_free(dev, &ibdev->priv_uar);
 	mlx4_pd_free(dev, ibdev->priv_pdn);
 	ib_dealloc_device(&ibdev->ib_dev);
 }
 
+static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init)
+{
+	struct mlx4_ib_demux_work **dm = NULL;
+	struct mlx4_dev *dev = ibdev->dev;
+	int i;
+	unsigned long flags;
+	struct mlx4_active_ports actv_ports;
+	unsigned int ports;
+	unsigned int first_port;
+
+	if (!mlx4_is_master(dev))
+		return;
+
+	actv_ports = mlx4_get_active_ports(dev, slave);
+	ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports);
+	first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
+
+	dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC);
+	if (!dm) {
+		pr_err("failed to allocate memory for tunneling qp update\n");
+		goto out;
+	}
+
+	for (i = 0; i < ports; i++) {
+		dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC);
+		if (!dm[i]) {
+			pr_err("failed to allocate memory for tunneling qp update work struct\n");
+			for (i = 0; i < dev->caps.num_ports; i++) {
+				if (dm[i])
+					kfree(dm[i]);
+			}
+			goto out;
+		}
+	}
+	/* initialize or tear down tunnel QPs for the slave */
+	for (i = 0; i < ports; i++) {
+		INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work);
+		dm[i]->port = first_port + i + 1;
+		dm[i]->slave = slave;
+		dm[i]->do_init = do_init;
+		dm[i]->dev = ibdev;
+		spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags);
+		if (!ibdev->sriov.is_going_down)
+			queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work);
+		spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
+	}
+out:
+	kfree(dm);
+	return;
+}
+
 static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
-			  enum mlx4_dev_event event, int port)
+			  enum mlx4_dev_event event, unsigned long param)
 {
 	struct ib_event ibev;
 	struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
+	struct mlx4_eqe *eqe = NULL;
+	struct ib_event_work *ew;
+	int p = 0;
 
-	if (port > ibdev->num_ports)
-		return;
+	if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE)
+		eqe = (struct mlx4_eqe *)param;
+	else
+		p = (int) param;
 
 	switch (event) {
 	case MLX4_DEV_EVENT_PORT_UP:
+		if (p > ibdev->num_ports)
+			return;
+		if (mlx4_is_master(dev) &&
+		    rdma_port_get_link_layer(&ibdev->ib_dev, p) ==
+			IB_LINK_LAYER_INFINIBAND) {
+			mlx4_ib_invalidate_all_guid_record(ibdev, p);
+		}
 		ibev.event = IB_EVENT_PORT_ACTIVE;
 		break;
 
 	case MLX4_DEV_EVENT_PORT_DOWN:
+		if (p > ibdev->num_ports)
+			return;
 		ibev.event = IB_EVENT_PORT_ERR;
 		break;
 
@@ -1193,12 +2475,39 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
 		ibev.event = IB_EVENT_DEVICE_FATAL;
 		break;
 
+	case MLX4_DEV_EVENT_PORT_MGMT_CHANGE:
+		ew = kmalloc(sizeof *ew, GFP_ATOMIC);
+		if (!ew) {
+			pr_err("failed to allocate memory for events work\n");
+			break;
+		}
+
+		INIT_WORK(&ew->work, handle_port_mgmt_change_event);
+		memcpy(&ew->ib_eqe, eqe, sizeof *eqe);
+		ew->ib_dev = ibdev;
+		/* need to queue only for port owner, which uses GEN_EQE */
+		if (mlx4_is_master(dev))
+			queue_work(wq, &ew->work);
+		else
+			handle_port_mgmt_change_event(&ew->work);
+		return;
+
+	case MLX4_DEV_EVENT_SLAVE_INIT:
+		/* here, p is the slave id */
+		do_slave_init(ibdev, p, 1);
+		return;
+
+	case MLX4_DEV_EVENT_SLAVE_SHUTDOWN:
+		/* here, p is the slave id */
+		do_slave_init(ibdev, p, 0);
+		return;
+
 	default:
 		return;
 	}
 
 	ibev.device	      = ibdev_ptr;
-	ibev.element.port_num = port;
+	ibev.element.port_num = (u8) p;
 
 	ib_dispatch_event(&ibev);
 }
@@ -1207,7 +2516,7 @@ static struct mlx4_interface mlx4_ib_interface = {
 	.add		= mlx4_ib_add,
 	.remove		= mlx4_ib_remove,
 	.event		= mlx4_ib_event,
-	.protocol	= MLX4_PROTOCOL_IB
+	.protocol	= MLX4_PROT_IB_IPV6
 };
 
 static int __init mlx4_ib_init(void)
@@ -1218,18 +2527,28 @@ static int __init mlx4_ib_init(void)
 	if (!wq)
 		return -ENOMEM;
 
+	err = mlx4_ib_mcg_init();
+	if (err)
+		goto clean_wq;
+
 	err = mlx4_register_interface(&mlx4_ib_interface);
-	if (err) {
-		destroy_workqueue(wq);
-		return err;
-	}
+	if (err)
+		goto clean_mcg;
 
 	return 0;
+
+clean_mcg:
+	mlx4_ib_mcg_destroy();
+
+clean_wq:
+	destroy_workqueue(wq);
+	return err;
 }
 
 static void __exit mlx4_ib_cleanup(void)
 {
 	mlx4_unregister_interface(&mlx4_ib_interface);
+	mlx4_ib_mcg_destroy();
 	destroy_workqueue(wq);
 }