18 files changed, 332 insertions, 158 deletions

diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index d53cf519f42a..00400c352c1a 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -1082,6 +1082,7 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
 
         /* Initialize network device */
         if ((netdev = c2_devinit(c2dev, mmio_regs)) == NULL) {
+                ret = -ENOMEM;
                 iounmap(mmio_regs);
                 goto bail4;
         }
@@ -1151,7 +1152,8 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
                 goto bail10;
         }
 
-        if (c2_register_device(c2dev))
+        ret = c2_register_device(c2dev);
+        if (ret)
                 goto bail10;
 
         return 0;
diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c
index b7c986990053..d2a6d961344b 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -576,7 +576,8 @@ int c2_rnic_init(struct c2_dev *c2dev)
                 goto bail4;
 
         /* Initialize cached the adapter limits */
-        if (c2_rnic_query(c2dev, &c2dev->props))
+        err = c2_rnic_query(c2dev, &c2dev->props);
+        if (err)
                 goto bail5;
 
         /* Initialize the PD pool */
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 45126879ad28..d286bdebe2ab 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3352,6 +3352,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
                 goto free_dst;
         }
 
+        neigh_release(neigh);
         step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan;
         rss_qid = dev->rdev.lldi.rxq_ids[pi->port_id * step];
         window = (__force u16) htons((__force u16)tcph->window);
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c2702f549f10..f9c12e92fdd6 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -53,8 +53,8 @@
 #include "user.h"
 
 #define DRV_NAME        MLX4_IB_DRV_NAME
-#define DRV_VERSION     "1.0"
-#define DRV_RELDATE     "April 4, 2008"
+#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
@@ -347,7 +347,7 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port,
         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;
+        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;
@@ -1357,6 +1357,21 @@ 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)
+{
+        memcpy(eui, dev->dev_addr, 3);
+        memcpy(eui + 5, dev->dev_addr + 3, 3);
+        if (vlan_id < 0x1000) {
+                eui[3] = vlan_id >> 8;
+                eui[4] = vlan_id & 0xff;
+        } else {
+                eui[3] = 0xff;
+                eui[4] = 0xfe;
+        }
+        eui[0] ^= 2;
+}
+
 static void update_gids_task(struct work_struct *work)
 {
         struct update_gid_work *gw = container_of(work, struct update_gid_work, work);
@@ -1393,7 +1408,6 @@ static void reset_gids_task(struct work_struct *work)
         struct mlx4_cmd_mailbox *mailbox;
         union ib_gid *gids;
         int err;
-        int i;
         struct mlx4_dev *dev = gw->dev->dev;
 
         mailbox = mlx4_alloc_cmd_mailbox(dev);
@@ -1405,18 +1419,16 @@ static void reset_gids_task(struct work_struct *work)
         gids = mailbox->buf;
         memcpy(gids, gw->gids, sizeof(gw->gids));
 
-        for (i = 1; i < gw->dev->num_ports + 1; i++) {
-                if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, i) ==
-                                            IB_LINK_LAYER_ETHERNET) {
-                        err = mlx4_cmd(dev, mailbox->dma,
-                                       MLX4_SET_PORT_GID_TABLE << 8 | i,
-                                       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", i);
-                }
+        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);
@@ -1425,7 +1437,8 @@ free:
 }
 
 static int update_gid_table(struct mlx4_ib_dev *dev, int port,
-                            union ib_gid *gid, int clear)
+                            union ib_gid *gid, int clear,
+                            int default_gid)
 {
         struct update_gid_work *work;
         int i;
@@ -1434,26 +1447,31 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port,
         int found = -1;
         int max_gids;
 
-        max_gids = dev->dev->caps.gid_table_len[port];
-        for (i = 0; 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 (free < 0 &&
-                            !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid,
+        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)))
-                                free = i;
+                                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 (free < 0 &&
+                                    !memcmp(&dev->iboe.gid_table[port - 1][i],
+                                            &zgid, sizeof(*gid)))
+                                        free = i;
+                        }
                 }
         }
 
@@ -1478,18 +1496,26 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port,
         return 0;
 }
 
-static int reset_gid_table(struct mlx4_ib_dev *dev)
+static void mlx4_make_default_gid(struct  net_device *dev, union ib_gid *gid)
 {
-        struct update_gid_work *work;
+        gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL);
+        mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev);
+}
+
 
+static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port)
+{
+        struct update_gid_work *work;
 
         work = kzalloc(sizeof(*work), GFP_ATOMIC);
         if (!work)
                 return -ENOMEM;
-        memset(dev->iboe.gid_table, 0, sizeof(dev->iboe.gid_table));
+
+        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;
 }
@@ -1502,6 +1528,12 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev,
         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;
@@ -1520,7 +1552,7 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev,
                      (!netif_is_bond_master(real_dev) &&
                      (real_dev == iboe->netdevs[port - 1])))
                         update_gid_table(ibdev, port, gid,
-                                         event == NETDEV_DOWN);
+                                         event == NETDEV_DOWN, 0);
 
         spin_unlock(&iboe->lock);
         return 0;
@@ -1536,7 +1568,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev,
                                 rdma_vlan_dev_real_dev(dev) : dev;
 
         iboe = &ibdev->iboe;
-        spin_lock(&iboe->lock);
 
         for (port = 1; port <= MLX4_MAX_PORTS; ++port)
                 if ((netif_is_bond_master(real_dev) &&
@@ -1545,8 +1576,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev,
                      (real_dev == iboe->netdevs[port - 1])))
                         break;
 
-        spin_unlock(&iboe->lock);
-
         if ((port == 0) || (port > MLX4_MAX_PORTS))
                 return 0;
         else
@@ -1607,7 +1636,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev,
                         /*ifa->ifa_address;*/
                         ipv6_addr_set_v4mapped(ifa->ifa_address,
                                                (struct in6_addr *)&gid);
-                        update_gid_table(ibdev, port, &gid, 0);
+                        update_gid_table(ibdev, port, &gid, 0, 0);
                 }
                 endfor_ifa(in_dev);
                 in_dev_put(in_dev);
@@ -1619,7 +1648,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *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);
+                        update_gid_table(ibdev, port, pgid, 0, 0);
                 }
                 read_unlock_bh(&in6_dev->lock);
                 in6_dev_put(in6_dev);
@@ -1627,14 +1656,26 @@ static void mlx4_ib_get_dev_addr(struct net_device *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;
 
-        if (reset_gid_table(ibdev))
-                return -1;
+        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);
@@ -1642,6 +1683,7 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
                         mlx4_ib_get_dev_addr(dev, ibdev, port);
         }
 
+        spin_unlock(&iboe->lock);
         read_unlock(&dev_base_lock);
 
         return 0;
@@ -1656,25 +1698,57 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
 
         spin_lock(&iboe->lock);
         mlx4_foreach_ib_transport_port(port, ibdev->dev) {
+                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_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])) {
-                        rtnl_lock();
                         iboe->masters[port - 1] = netdev_master_upper_dev_get(
                                 iboe->netdevs[port - 1]);
-                        rtnl_unlock();
+                } else {
+                        iboe->masters[port - 1] = NULL;
                 }
                 curr_master = iboe->masters[port - 1];
 
+                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))
+                 * 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 (!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);
@@ -1810,6 +1884,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
         int i, j;
         int err;
         struct mlx4_ib_iboe *iboe;
+        int ib_num_ports = 0;
 
         pr_info_once("%s", mlx4_ib_version);
 
@@ -1985,10 +2060,14 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                                 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) {
+        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,
@@ -2051,7 +2130,11 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                         }
                 }
 #endif
+                for (i = 1 ; i <= ibdev->num_ports ; ++i)
+                        reset_gid_table(ibdev, i);
+                rtnl_lock();
                 mlx4_ib_scan_netdevs(ibdev);
+                rtnl_unlock();
                 mlx4_ib_init_gid_table(ibdev);
         }
 
diff --git a/drivers/infiniband/hw/mlx5/Kconfig b/drivers/infiniband/hw/mlx5/Kconfig
index 8e6aebfaf8a4..10df386c6344 100644
--- a/drivers/infiniband/hw/mlx5/Kconfig
+++ b/drivers/infiniband/hw/mlx5/Kconfig
@@ -1,6 +1,6 @@
 config MLX5_INFINIBAND
         tristate "Mellanox Connect-IB HCA support"
-        depends on NETDEVICES && ETHERNET && PCI && X86
+        depends on NETDEVICES && ETHERNET && PCI
         select NET_VENDOR_MELLANOX
         select MLX5_CORE
         ---help---
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 9660d093f8cf..bf900579ac08 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -46,8 +46,8 @@
 #include "mlx5_ib.h"
 
 #define DRIVER_NAME "mlx5_ib"
-#define DRIVER_VERSION "1.0"
-#define DRIVER_RELDATE  "June 2013"
+#define DRIVER_VERSION "2.2-1"
+#define DRIVER_RELDATE  "Feb 2014"
 
 MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
 MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver");
@@ -261,8 +261,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
         props->device_cap_flags    = IB_DEVICE_CHANGE_PHY_PORT |
                 IB_DEVICE_PORT_ACTIVE_EVENT             |
                 IB_DEVICE_SYS_IMAGE_GUID                |
-                IB_DEVICE_RC_RNR_NAK_GEN                |
-                IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
+                IB_DEVICE_RC_RNR_NAK_GEN;
         flags = dev->mdev.caps.flags;
         if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR)
                 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
@@ -536,24 +535,38 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
                                                   struct ib_udata *udata)
 {
         struct mlx5_ib_dev *dev = to_mdev(ibdev);
-        struct mlx5_ib_alloc_ucontext_req req;
+        struct mlx5_ib_alloc_ucontext_req_v2 req;
         struct mlx5_ib_alloc_ucontext_resp resp;
         struct mlx5_ib_ucontext *context;
         struct mlx5_uuar_info *uuari;
         struct mlx5_uar *uars;
         int gross_uuars;
         int num_uars;
+        int ver;
         int uuarn;
         int err;
         int i;
+        int reqlen;
 
         if (!dev->ib_active)
                 return ERR_PTR(-EAGAIN);
 
-        err = ib_copy_from_udata(&req, udata, sizeof(req));
+        memset(&req, 0, sizeof(req));
+        reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr);
+        if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req))
+                ver = 0;
+        else if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req_v2))
+                ver = 2;
+        else
+                return ERR_PTR(-EINVAL);
+
+        err = ib_copy_from_udata(&req, udata, reqlen);
         if (err)
                 return ERR_PTR(err);
 
+        if (req.flags || req.reserved)
+                return ERR_PTR(-EINVAL);
+
         if (req.total_num_uuars > MLX5_MAX_UUARS)
                 return ERR_PTR(-ENOMEM);
 
@@ -626,6 +639,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
         if (err)
                 goto out_uars;
 
+        uuari->ver = ver;
         uuari->num_low_latency_uuars = req.num_low_latency_uuars;
         uuari->uars = uars;
         uuari->num_uars = num_uars;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index ae37fb9bf262..7dfe8a1c84cf 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -216,7 +216,9 @@ static int sq_overhead(enum ib_qp_type qp_type)
 
         case IB_QPT_UC:
                 size += sizeof(struct mlx5_wqe_ctrl_seg) +
-                        sizeof(struct mlx5_wqe_raddr_seg);
+                        sizeof(struct mlx5_wqe_raddr_seg) +
+                        sizeof(struct mlx5_wqe_umr_ctrl_seg) +
+                        sizeof(struct mlx5_mkey_seg);
                 break;
 
         case IB_QPT_UD:
@@ -428,11 +430,17 @@ static int alloc_uuar(struct mlx5_uuar_info *uuari,
                 break;
 
         case MLX5_IB_LATENCY_CLASS_MEDIUM:
-                uuarn = alloc_med_class_uuar(uuari);
+                if (uuari->ver < 2)
+                        uuarn = -ENOMEM;
+                else
+                        uuarn = alloc_med_class_uuar(uuari);
                 break;
 
         case MLX5_IB_LATENCY_CLASS_HIGH:
-                uuarn = alloc_high_class_uuar(uuari);
+                if (uuari->ver < 2)
+                        uuarn = -ENOMEM;
+                else
+                        uuarn = alloc_high_class_uuar(uuari);
                 break;
 
         case MLX5_IB_LATENCY_CLASS_FAST_PATH:
@@ -657,8 +665,8 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
         int err;
 
         uuari = &dev->mdev.priv.uuari;
-        if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK)
-                qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK;
+        if (init_attr->create_flags)
+                return -EINVAL;
 
         if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
                 lc = MLX5_IB_LATENCY_CLASS_FAST_PATH;
diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h
index 32a2a5dfc523..0f4f8e42a17f 100644
--- a/drivers/infiniband/hw/mlx5/user.h
+++ b/drivers/infiniband/hw/mlx5/user.h
@@ -62,6 +62,13 @@ struct mlx5_ib_alloc_ucontext_req {
         __u32   num_low_latency_uuars;
 };
 
+struct mlx5_ib_alloc_ucontext_req_v2 {
+        __u32   total_num_uuars;
+        __u32   num_low_latency_uuars;
+        __u32   flags;
+        __u32   reserved;
+};
+
 struct mlx5_ib_alloc_ucontext_resp {
         __u32   qp_tab_size;
         __u32   bf_reg_size;
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index 429141078eec..353c7b05a90a 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -675,8 +675,11 @@ static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
         INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status);
 
         /* Initialize network devices */
-        if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL)
+        netdev = nes_netdev_init(nesdev, mmio_regs);
+        if (netdev == NULL) {
+                ret = -ENOMEM;
                 goto bail7;
+        }
 
         /* Register network device */
         ret = register_netdev(netdev);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 2ca86ca818bd..1a8a945efa60 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -127,7 +127,7 @@ static int ocrdma_addr_event(unsigned long event, struct net_device *netdev,
 
         is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN;
         if (is_vlan)
-                netdev = vlan_dev_real_dev(netdev);
+                netdev = rdma_vlan_dev_real_dev(netdev);
 
         rcu_read_lock();
         list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index aa92f40c9d50..e0cc201be41a 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -176,7 +176,7 @@ int ocrdma_query_port(struct ib_device *ibdev,
         props->port_cap_flags =
             IB_PORT_CM_SUP |
             IB_PORT_REINIT_SUP |
-            IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP;
+            IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_IP_BASED_GIDS;
         props->gid_tbl_len = OCRDMA_MAX_SGID;
         props->pkey_tbl_len = 1;
         props->bad_pkey_cntr = 0;
@@ -1416,7 +1416,7 @@ int ocrdma_query_qp(struct ib_qp *ibqp,
                                           OCRDMA_QP_PARAMS_HOP_LMT_MASK) >>
                                                 OCRDMA_QP_PARAMS_HOP_LMT_SHIFT;
         qp_attr->ah_attr.grh.traffic_class = (params.tclass_sq_psn &
-                                              OCRDMA_QP_PARAMS_SQ_PSN_MASK) >>
+                                              OCRDMA_QP_PARAMS_TCLASS_MASK) >>
                                                 OCRDMA_QP_PARAMS_TCLASS_SHIFT;
 
         qp_attr->ah_attr.ah_flags = IB_AH_GRH;
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index 5bfc02f450e6..d1bd21319d7d 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -2395,6 +2395,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd)
         qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a);
         qib_write_kreg(dd, kr_scratch, 0ULL);
 
+        /* ensure previous Tx parameters are not still forced */
+        qib_write_kreg_port(ppd, krp_tx_deemph_override,
+                SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0,
+                reset_tx_deemphasis_override));
+
         if (qib_compat_ddr_negotiate) {
                 ppd->cpspec->ibdeltainprog = 1;
                 ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd,
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
index 7ecc6061f1f4..f8dfd76be89f 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c
@@ -629,6 +629,7 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow,
 {
         enum usnic_transport_type trans_type = qp_flow->trans_type;
         int err;
+        uint16_t port_num = 0;
 
         switch (trans_type) {
         case USNIC_TRANSPORT_ROCE_CUSTOM:
@@ -637,9 +638,15 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow,
         case USNIC_TRANSPORT_IPV4_UDP:
                 err = usnic_transport_sock_get_addr(qp_flow->udp.sock,
                                                         NULL, NULL,
-                                                        (uint16_t *) id);
+                                                        &port_num);
                 if (err)
                         return err;
+                /*
+                 * Copy port_num to stack first and then to *id,
+                 * so that the short to int cast works for little
+                 * and big endian systems.
+                 */
+                *id = port_num;
                 break;
         default:
                 usnic_err("Unsupported transport %u\n", trans_type);
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 538822684d5b..334f34b1cd46 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -610,11 +610,12 @@ void iser_snd_completion(struct iser_tx_desc *tx_desc,
                 ib_dma_unmap_single(device->ib_device, tx_desc->dma_addr,
                                         ISER_HEADERS_LEN, DMA_TO_DEVICE);
                 kmem_cache_free(ig.desc_cache, tx_desc);
+                tx_desc = NULL;
         }
 
         atomic_dec(&ib_conn->post_send_buf_count);
 
-        if (tx_desc->type == ISCSI_TX_CONTROL) {
+        if (tx_desc && tx_desc->type == ISCSI_TX_CONTROL) {
                 /* this arithmetic is legal by libiscsi dd_data allocation */
                 task = (void *) ((long)(void *)tx_desc -
                                   sizeof(struct iscsi_task));
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index afe95674008b..ca37edef2791 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -652,9 +652,13 @@ static int iser_disconnected_handler(struct rdma_cm_id *cma_id)
         /* getting here when the state is UP means that the conn is being *
          * terminated asynchronously from the iSCSI layer's perspective.  */
         if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP,
-                                      ISER_CONN_TERMINATING))
-                iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn,
-                                   ISCSI_ERR_CONN_FAILED);
+                                        ISER_CONN_TERMINATING)){
+                if (ib_conn->iser_conn)
+                        iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn,
+                                           ISCSI_ERR_CONN_FAILED);
+                else
+                        iser_err("iscsi_iser connection isn't bound\n");
+        }
 
         /* Complete the termination process if no posts are pending */
         if (ib_conn->post_recv_buf_count == 0 &&
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 2b161be3c1a3..8ee228e9ab5a 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -453,6 +453,7 @@ isert_conn_create_fastreg_pool(struct isert_conn *isert_conn)
                 if (ret) {
                         pr_err("Failed to create fastreg descriptor err=%d\n",
                                ret);
+                        kfree(fr_desc);
                         goto err;
                 }
 
@@ -491,12 +492,11 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
         isert_conn->state = ISER_CONN_INIT;
         INIT_LIST_HEAD(&isert_conn->conn_accept_node);
         init_completion(&isert_conn->conn_login_comp);
-        init_waitqueue_head(&isert_conn->conn_wait);
-        init_waitqueue_head(&isert_conn->conn_wait_comp_err);
+        init_completion(&isert_conn->conn_wait);
+        init_completion(&isert_conn->conn_wait_comp_err);
         kref_init(&isert_conn->conn_kref);
         kref_get(&isert_conn->conn_kref);
         mutex_init(&isert_conn->conn_mutex);
-        mutex_init(&isert_conn->conn_comp_mutex);
         spin_lock_init(&isert_conn->conn_lock);
 
         cma_id->context = isert_conn;
@@ -687,11 +687,11 @@ isert_disconnect_work(struct work_struct *work)
 
         pr_debug("isert_disconnect_work(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
         mutex_lock(&isert_conn->conn_mutex);
-        isert_conn->state = ISER_CONN_DOWN;
+        if (isert_conn->state == ISER_CONN_UP)
+                isert_conn->state = ISER_CONN_TERMINATING;
 
         if (isert_conn->post_recv_buf_count == 0 &&
             atomic_read(&isert_conn->post_send_buf_count) == 0) {
-                pr_debug("Calling wake_up(&isert_conn->conn_wait);\n");
                 mutex_unlock(&isert_conn->conn_mutex);
                 goto wake_up;
         }
@@ -711,7 +711,7 @@ isert_disconnect_work(struct work_struct *work)
         mutex_unlock(&isert_conn->conn_mutex);
 
 wake_up:
-        wake_up(&isert_conn->conn_wait);
+        complete(&isert_conn->conn_wait);
         isert_put_conn(isert_conn);
 }
 
@@ -887,16 +887,17 @@ isert_init_send_wr(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd,
          * Coalesce send completion interrupts by only setting IB_SEND_SIGNALED
          * bit for every ISERT_COMP_BATCH_COUNT number of ib_post_send() calls.
          */
-        mutex_lock(&isert_conn->conn_comp_mutex);
-        if (coalesce &&
+        mutex_lock(&isert_conn->conn_mutex);
+        if (coalesce && isert_conn->state == ISER_CONN_UP &&
             ++isert_conn->conn_comp_batch < ISERT_COMP_BATCH_COUNT) {
+                tx_desc->llnode_active = true;
                 llist_add(&tx_desc->comp_llnode, &isert_conn->conn_comp_llist);
-                mutex_unlock(&isert_conn->conn_comp_mutex);
+                mutex_unlock(&isert_conn->conn_mutex);
                 return;
         }
         isert_conn->conn_comp_batch = 0;
         tx_desc->comp_llnode_batch = llist_del_all(&isert_conn->conn_comp_llist);
-        mutex_unlock(&isert_conn->conn_comp_mutex);
+        mutex_unlock(&isert_conn->conn_mutex);
 
         send_wr->send_flags = IB_SEND_SIGNALED;
 }
@@ -1463,7 +1464,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
         case ISCSI_OP_SCSI_CMD:
                 spin_lock_bh(&conn->cmd_lock);
                 if (!list_empty(&cmd->i_conn_node))
-                        list_del(&cmd->i_conn_node);
+                        list_del_init(&cmd->i_conn_node);
                 spin_unlock_bh(&conn->cmd_lock);
 
                 if (cmd->data_direction == DMA_TO_DEVICE)
@@ -1475,7 +1476,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
         case ISCSI_OP_SCSI_TMFUNC:
                 spin_lock_bh(&conn->cmd_lock);
                 if (!list_empty(&cmd->i_conn_node))
-                        list_del(&cmd->i_conn_node);
+                        list_del_init(&cmd->i_conn_node);
                 spin_unlock_bh(&conn->cmd_lock);
 
                 transport_generic_free_cmd(&cmd->se_cmd, 0);
@@ -1485,7 +1486,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
         case ISCSI_OP_TEXT:
                 spin_lock_bh(&conn->cmd_lock);
                 if (!list_empty(&cmd->i_conn_node))
-                        list_del(&cmd->i_conn_node);
+                        list_del_init(&cmd->i_conn_node);
                 spin_unlock_bh(&conn->cmd_lock);
 
                 /*
@@ -1548,6 +1549,7 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
         iscsit_stop_dataout_timer(cmd);
         device->unreg_rdma_mem(isert_cmd, isert_conn);
         cmd->write_data_done = wr->cur_rdma_length;
+        wr->send_wr_num = 0;
 
         pr_debug("Cmd: %p RDMA_READ comp calling execute_cmd\n", isert_cmd);
         spin_lock_bh(&cmd->istate_lock);
@@ -1588,7 +1590,7 @@ isert_do_control_comp(struct work_struct *work)
                 pr_debug("Calling iscsit_logout_post_handler >>>>>>>>>>>>>>\n");
                 /*
                  * Call atomic_dec(&isert_conn->post_send_buf_count)
-                 * from isert_free_conn()
+                 * from isert_wait_conn()
                  */
                 isert_conn->logout_posted = true;
                 iscsit_logout_post_handler(cmd, cmd->conn);
@@ -1612,6 +1614,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc,
                           struct ib_device *ib_dev)
 {
         struct iscsi_cmd *cmd = isert_cmd->iscsi_cmd;
+        struct isert_rdma_wr *wr = &isert_cmd->rdma_wr;
 
         if (cmd->i_state == ISTATE_SEND_TASKMGTRSP ||
             cmd->i_state == ISTATE_SEND_LOGOUTRSP ||
@@ -1623,7 +1626,7 @@ isert_response_completion(struct iser_tx_desc *tx_desc,
                 queue_work(isert_comp_wq, &isert_cmd->comp_work);
                 return;
         }
-        atomic_dec(&isert_conn->post_send_buf_count);
+        atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
 
         cmd->i_state = ISTATE_SENT_STATUS;
         isert_completion_put(tx_desc, isert_cmd, ib_dev);
@@ -1661,7 +1664,7 @@ __isert_send_completion(struct iser_tx_desc *tx_desc,
         case ISER_IB_RDMA_READ:
                 pr_debug("isert_send_completion: Got ISER_IB_RDMA_READ:\n");
 
-                atomic_dec(&isert_conn->post_send_buf_count);
+                atomic_sub(wr->send_wr_num, &isert_conn->post_send_buf_count);
                 isert_completion_rdma_read(tx_desc, isert_cmd);
                 break;
         default:
@@ -1690,31 +1693,76 @@ isert_send_completion(struct iser_tx_desc *tx_desc,
 }
 
 static void
-isert_cq_comp_err(struct iser_tx_desc *tx_desc, struct isert_conn *isert_conn)
+isert_cq_drain_comp_llist(struct isert_conn *isert_conn, struct ib_device *ib_dev)
+{
+        struct llist_node *llnode;
+        struct isert_rdma_wr *wr;
+        struct iser_tx_desc *t;
+
+        mutex_lock(&isert_conn->conn_mutex);
+        llnode = llist_del_all(&isert_conn->conn_comp_llist);
+        isert_conn->conn_comp_batch = 0;
+        mutex_unlock(&isert_conn->conn_mutex);
+
+        while (llnode) {
+                t = llist_entry(llnode, struct iser_tx_desc, comp_llnode);
+                llnode = llist_next(llnode);
+                wr = &t->isert_cmd->rdma_wr;
+
+                atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
+                isert_completion_put(t, t->isert_cmd, ib_dev);
+        }
+}
+
+static void
+isert_cq_tx_comp_err(struct iser_tx_desc *tx_desc, struct isert_conn *isert_conn)
 {
         struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
+        struct isert_cmd *isert_cmd = tx_desc->isert_cmd;
+        struct llist_node *llnode = tx_desc->comp_llnode_batch;
+        struct isert_rdma_wr *wr;
+        struct iser_tx_desc *t;
 
-        if (tx_desc) {
-                struct isert_cmd *isert_cmd = tx_desc->isert_cmd;
+        while (llnode) {
+                t = llist_entry(llnode, struct iser_tx_desc, comp_llnode);
+                llnode = llist_next(llnode);
+                wr = &t->isert_cmd->rdma_wr;
 
-                if (!isert_cmd)
-                        isert_unmap_tx_desc(tx_desc, ib_dev);
-                else
-                        isert_completion_put(tx_desc, isert_cmd, ib_dev);
+                atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
+                isert_completion_put(t, t->isert_cmd, ib_dev);
         }
+        tx_desc->comp_llnode_batch = NULL;
 
-        if (isert_conn->post_recv_buf_count == 0 &&
-            atomic_read(&isert_conn->post_send_buf_count) == 0) {
-                pr_debug("isert_cq_comp_err >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
-                pr_debug("Calling wake_up from isert_cq_comp_err\n");
+        if (!isert_cmd)
+                isert_unmap_tx_desc(tx_desc, ib_dev);
+        else
+                isert_completion_put(tx_desc, isert_cmd, ib_dev);
+}
 
-                mutex_lock(&isert_conn->conn_mutex);
-                if (isert_conn->state != ISER_CONN_DOWN)
-                        isert_conn->state = ISER_CONN_TERMINATING;
-                mutex_unlock(&isert_conn->conn_mutex);
+static void
+isert_cq_rx_comp_err(struct isert_conn *isert_conn)
+{
+        struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
+        struct iscsi_conn *conn = isert_conn->conn;
 
-                wake_up(&isert_conn->conn_wait_comp_err);
+        if (isert_conn->post_recv_buf_count)
+                return;
+
+        isert_cq_drain_comp_llist(isert_conn, ib_dev);
+
+        if (conn->sess) {
+                target_sess_cmd_list_set_waiting(conn->sess->se_sess);
+                target_wait_for_sess_cmds(conn->sess->se_sess);
         }
+
+        while (atomic_read(&isert_conn->post_send_buf_count))
+                msleep(3000);
+
+        mutex_lock(&isert_conn->conn_mutex);
+        isert_conn->state = ISER_CONN_DOWN;
+        mutex_unlock(&isert_conn->conn_mutex);
+
+        complete(&isert_conn->conn_wait_comp_err);
 }
 
 static void
@@ -1739,8 +1787,14 @@ isert_cq_tx_work(struct work_struct *work)
                         pr_debug("TX wc.status != IB_WC_SUCCESS >>>>>>>>>>>>>>\n");
                         pr_debug("TX wc.status: 0x%08x\n", wc.status);
                         pr_debug("TX wc.vendor_err: 0x%08x\n", wc.vendor_err);
-                        atomic_dec(&isert_conn->post_send_buf_count);
-                        isert_cq_comp_err(tx_desc, isert_conn);
+
+                        if (wc.wr_id != ISER_FASTREG_LI_WRID) {
+                                if (tx_desc->llnode_active)
+                                        continue;
+
+                                atomic_dec(&isert_conn->post_send_buf_count);
+                                isert_cq_tx_comp_err(tx_desc, isert_conn);
+                        }
                 }
         }
 
@@ -1783,7 +1837,7 @@ isert_cq_rx_work(struct work_struct *work)
                                          wc.vendor_err);
                         }
                         isert_conn->post_recv_buf_count--;
-                        isert_cq_comp_err(NULL, isert_conn);
+                        isert_cq_rx_comp_err(isert_conn);
                 }
         }
 
@@ -2201,6 +2255,7 @@ isert_fast_reg_mr(struct fast_reg_descriptor *fr_desc,
 
         if (!fr_desc->valid) {
                 memset(&inv_wr, 0, sizeof(inv_wr));
+                inv_wr.wr_id = ISER_FASTREG_LI_WRID;
                 inv_wr.opcode = IB_WR_LOCAL_INV;
                 inv_wr.ex.invalidate_rkey = fr_desc->data_mr->rkey;
                 wr = &inv_wr;
@@ -2211,6 +2266,7 @@ isert_fast_reg_mr(struct fast_reg_descriptor *fr_desc,
 
         /* Prepare FASTREG WR */
         memset(&fr_wr, 0, sizeof(fr_wr));
+        fr_wr.wr_id = ISER_FASTREG_LI_WRID;
         fr_wr.opcode = IB_WR_FAST_REG_MR;
         fr_wr.wr.fast_reg.iova_start =
                 fr_desc->data_frpl->page_list[0] + page_off;
@@ -2376,12 +2432,12 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
         isert_init_send_wr(isert_conn, isert_cmd,
                            &isert_cmd->tx_desc.send_wr, true);
 
-        atomic_inc(&isert_conn->post_send_buf_count);
+        atomic_add(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
 
         rc = ib_post_send(isert_conn->conn_qp, wr->send_wr, &wr_failed);
         if (rc) {
                 pr_warn("ib_post_send() failed for IB_WR_RDMA_WRITE\n");
-                atomic_dec(&isert_conn->post_send_buf_count);
+                atomic_sub(wr->send_wr_num + 1, &isert_conn->post_send_buf_count);
         }
         pr_debug("Cmd: %p posted RDMA_WRITE + Response for iSER Data READ\n",
                  isert_cmd);
@@ -2409,12 +2465,12 @@ isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery)
                 return rc;
         }
 
-        atomic_inc(&isert_conn->post_send_buf_count);
+        atomic_add(wr->send_wr_num, &isert_conn->post_send_buf_count);
 
         rc = ib_post_send(isert_conn->conn_qp, wr->send_wr, &wr_failed);
         if (rc) {
                 pr_warn("ib_post_send() failed for IB_WR_RDMA_READ\n");
-                atomic_dec(&isert_conn->post_send_buf_count);
+                atomic_sub(wr->send_wr_num, &isert_conn->post_send_buf_count);
         }
         pr_debug("Cmd: %p posted RDMA_READ memory for ISER Data WRITE\n",
                  isert_cmd);
@@ -2701,22 +2757,11 @@ isert_free_np(struct iscsi_np *np)
         kfree(isert_np);
 }
 
-static int isert_check_state(struct isert_conn *isert_conn, int state)
-{
-        int ret;
-
-        mutex_lock(&isert_conn->conn_mutex);
-        ret = (isert_conn->state == state);
-        mutex_unlock(&isert_conn->conn_mutex);
-
-        return ret;
-}
-
-static void isert_free_conn(struct iscsi_conn *conn)
+static void isert_wait_conn(struct iscsi_conn *conn)
 {
         struct isert_conn *isert_conn = conn->context;
 
-        pr_debug("isert_free_conn: Starting \n");
+        pr_debug("isert_wait_conn: Starting \n");
         /*
          * Decrement post_send_buf_count for special case when called
          * from isert_do_control_comp() -> iscsit_logout_post_handler()
@@ -2726,38 +2771,29 @@ static void isert_free_conn(struct iscsi_conn *conn)
                 atomic_dec(&isert_conn->post_send_buf_count);
 
         if (isert_conn->conn_cm_id && isert_conn->state != ISER_CONN_DOWN) {
-                pr_debug("Calling rdma_disconnect from isert_free_conn\n");
+                pr_debug("Calling rdma_disconnect from isert_wait_conn\n");
                 rdma_disconnect(isert_conn->conn_cm_id);
         }
         /*
          * Only wait for conn_wait_comp_err if the isert_conn made it
          * into full feature phase..
          */
-        if (isert_conn->state == ISER_CONN_UP) {
-                pr_debug("isert_free_conn: Before wait_event comp_err %d\n",
-                         isert_conn->state);
-                mutex_unlock(&isert_conn->conn_mutex);
-
-                wait_event(isert_conn->conn_wait_comp_err,
-                          (isert_check_state(isert_conn, ISER_CONN_TERMINATING)));
-
-                wait_event(isert_conn->conn_wait,
-                          (isert_check_state(isert_conn, ISER_CONN_DOWN)));
-
-                isert_put_conn(isert_conn);
-                return;
-        }
         if (isert_conn->state == ISER_CONN_INIT) {
                 mutex_unlock(&isert_conn->conn_mutex);
-                isert_put_conn(isert_conn);
                 return;
         }
-        pr_debug("isert_free_conn: wait_event conn_wait %d\n",
-                 isert_conn->state);
+        if (isert_conn->state == ISER_CONN_UP)
+                isert_conn->state = ISER_CONN_TERMINATING;
         mutex_unlock(&isert_conn->conn_mutex);
 
-        wait_event(isert_conn->conn_wait,
-                  (isert_check_state(isert_conn, ISER_CONN_DOWN)));
+        wait_for_completion(&isert_conn->conn_wait_comp_err);
+
+        wait_for_completion(&isert_conn->conn_wait);
+}
+
+static void isert_free_conn(struct iscsi_conn *conn)
+{
+        struct isert_conn *isert_conn = conn->context;
 
         isert_put_conn(isert_conn);
 }
@@ -2770,6 +2806,7 @@ static struct iscsit_transport iser_target_transport = {
         .iscsit_setup_np        = isert_setup_np,
         .iscsit_accept_np       = isert_accept_np,
         .iscsit_free_np         = isert_free_np,
+        .iscsit_wait_conn       = isert_wait_conn,
         .iscsit_free_conn       = isert_free_conn,
         .iscsit_get_login_rx    = isert_get_login_rx,
         .iscsit_put_login_tx    = isert_put_login_tx,
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 708a069002f3..f6ae7f5dd408 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -6,6 +6,7 @@
 
 #define ISERT_RDMA_LISTEN_BACKLOG       10
 #define ISCSI_ISER_SG_TABLESIZE         256
+#define ISER_FASTREG_LI_WRID            0xffffffffffffffffULL
 
 enum isert_desc_type {
         ISCSI_TX_CONTROL,
@@ -45,6 +46,7 @@ struct iser_tx_desc {
         struct isert_cmd *isert_cmd;
         struct llist_node *comp_llnode_batch;
         struct llist_node comp_llnode;
+        bool            llnode_active;
         struct ib_send_wr send_wr;
 } __packed;
 
@@ -116,8 +118,8 @@ struct isert_conn {
         struct isert_device     *conn_device;
         struct work_struct      conn_logout_work;
         struct mutex            conn_mutex;
-        wait_queue_head_t       conn_wait;
-        wait_queue_head_t       conn_wait_comp_err;
+        struct completion       conn_wait;
+        struct completion       conn_wait_comp_err;
         struct kref             conn_kref;
         struct list_head        conn_fr_pool;
         int                     conn_fr_pool_size;
@@ -126,7 +128,6 @@ struct isert_conn {
 #define ISERT_COMP_BATCH_COUNT  8
         int                     conn_comp_batch;
         struct llist_head       conn_comp_llist;
-        struct mutex            conn_comp_mutex;
 };
 
 #define ISERT_MAX_CQ 64
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 520a7e5a490b..0e537d8d0e47 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3666,9 +3666,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rdma_size(
         unsigned long val;
         int ret;
 
-        ret = strict_strtoul(page, 0, &val);
+        ret = kstrtoul(page, 0, &val);
         if (ret < 0) {
-                pr_err("strict_strtoul() failed with ret: %d\n", ret);
+                pr_err("kstrtoul() failed with ret: %d\n", ret);
                 return -EINVAL;
         }
         if (val > MAX_SRPT_RDMA_SIZE) {
@@ -3706,9 +3706,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rsp_size(
         unsigned long val;
         int ret;
 
-        ret = strict_strtoul(page, 0, &val);
+        ret = kstrtoul(page, 0, &val);
         if (ret < 0) {
-                pr_err("strict_strtoul() failed with ret: %d\n", ret);
+                pr_err("kstrtoul() failed with ret: %d\n", ret);
                 return -EINVAL;
         }
         if (val > MAX_SRPT_RSP_SIZE) {
@@ -3746,9 +3746,9 @@ static ssize_t srpt_tpg_attrib_store_srp_sq_size(
         unsigned long val;
         int ret;
 
-        ret = strict_strtoul(page, 0, &val);
+        ret = kstrtoul(page, 0, &val);
         if (ret < 0) {
-                pr_err("strict_strtoul() failed with ret: %d\n", ret);
+                pr_err("kstrtoul() failed with ret: %d\n", ret);
                 return -EINVAL;
         }
         if (val > MAX_SRPT_SRQ_SIZE) {
@@ -3793,7 +3793,7 @@ static ssize_t srpt_tpg_store_enable(
         unsigned long tmp;
         int ret;
 
-        ret = strict_strtoul(page, 0, &tmp);
+        ret = kstrtoul(page, 0, &tmp);
         if (ret < 0) {
                 printk(KERN_ERR "Unable to extract srpt_tpg_store_enable\n");
                 return -EINVAL;