15 files changed, 71 insertions, 34 deletions

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 5130fc55b8e2..764787ebe8d8 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3597,7 +3597,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
                        atomic_long_read(&group->counter[cm_attr->index]));
 }
 
-static struct sysfs_ops cm_counter_ops = {
+static const struct sysfs_ops cm_counter_ops = {
         .show = cm_show_counter
 };
 
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 58463da814d1..e351b1548535 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -2953,6 +2953,9 @@ static void ib_mad_remove_device(struct ib_device *device)
 {
         int i, num_ports, cur_port;
 
+        if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+                return;
+
         if (device->node_type == RDMA_NODE_IB_SWITCH) {
                 num_ports = 1;
                 cur_port = 0;
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 158a214da2f7..1558bb7fc74d 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -79,7 +79,7 @@ static ssize_t port_attr_show(struct kobject *kobj,
         return port_attr->show(p, port_attr, buf);
 }
 
-static struct sysfs_ops port_sysfs_ops = {
+static const struct sysfs_ops port_sysfs_ops = {
         .show = port_attr_show
 };
 
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 1b09b735c5a8..017d6e24448f 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1336,11 +1336,8 @@ static void ib_ucm_remove_one(struct ib_device *device)
         device_unregister(&ucm_dev->dev);
 }
 
-static ssize_t show_abi_version(struct class *class, char *buf)
-{
-        return sprintf(buf, "%d\n", IB_USER_CM_ABI_VERSION);
-}
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+                         __stringify(IB_USER_CM_ABI_VERSION));
 
 static int __init ib_ucm_init(void)
 {
@@ -1353,7 +1350,7 @@ static int __init ib_ucm_init(void)
                 goto error1;
         }
 
-        ret = class_create_file(&cm_class, &class_attr_abi_version);
+        ret = class_create_file(&cm_class, &class_attr_abi_version.attr);
         if (ret) {
                 printk(KERN_ERR "ucm: couldn't create abi_version attribute\n");
                 goto error2;
@@ -1367,7 +1364,7 @@ static int __init ib_ucm_init(void)
         return 0;
 
 error3:
-        class_remove_file(&cm_class, &class_attr_abi_version);
+        class_remove_file(&cm_class, &class_attr_abi_version.attr);
 error2:
         unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
 error1:
@@ -1377,7 +1374,7 @@ error1:
 static void __exit ib_ucm_cleanup(void)
 {
         ib_unregister_client(&ucm_client);
-        class_remove_file(&cm_class, &class_attr_abi_version);
+        class_remove_file(&cm_class, &class_attr_abi_version.attr);
         unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
         if (overflow_maj)
                 unregister_chrdev_region(overflow_maj, IB_UCM_MAX_DEVICES);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 02d360cfc2f7..04b585e86cb2 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -965,11 +965,8 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
 
-static ssize_t show_abi_version(struct class *class, char *buf)
-{
-        return sprintf(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
-}
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+                         __stringify(IB_USER_MAD_ABI_VERSION));
 
 static dev_t overflow_maj;
 static DECLARE_BITMAP(overflow_map, IB_UMAD_MAX_PORTS);
@@ -1194,7 +1191,7 @@ static int __init ib_umad_init(void)
                 goto out_chrdev;
         }
 
-        ret = class_create_file(umad_class, &class_attr_abi_version);
+        ret = class_create_file(umad_class, &class_attr_abi_version.attr);
         if (ret) {
                 printk(KERN_ERR "user_mad: couldn't create abi_version attribute\n");
                 goto out_class;
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 4fa2e6516441..d805cf365c8d 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -691,11 +691,8 @@ static ssize_t show_dev_abi_version(struct device *device,
 }
 static DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL);
 
-static ssize_t show_abi_version(struct class *class, char *buf)
-{
-        return sprintf(buf, "%d\n", IB_USER_VERBS_ABI_VERSION);
-}
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+                         __stringify(IB_USER_VERBS_ABI_VERSION));
 
 static dev_t overflow_maj;
 static DECLARE_BITMAP(overflow_map, IB_UVERBS_MAX_DEVICES);
@@ -841,7 +838,7 @@ static int __init ib_uverbs_init(void)
                 goto out_chrdev;
         }
 
-        ret = class_create_file(uverbs_class, &class_attr_abi_version);
+        ret = class_create_file(uverbs_class, &class_attr_abi_version.attr);
         if (ret) {
                 printk(KERN_ERR "user_verbs: couldn't create abi_version attribute\n");
                 goto out_class;
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index ee1d8b4d4541..63f975f3e30f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -189,6 +189,7 @@ static void close_rnic_dev(struct t3cdev *tdev)
         list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
                 if (dev->rdev.t3cdev_p == tdev) {
                         dev->rdev.flags = CXIO_ERROR_FATAL;
+                        synchronize_net();
                         cancel_delayed_work_sync(&dev->db_drop_task);
                         list_del(&dev->entry);
                         iwch_unregister_device(dev);
@@ -217,6 +218,7 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
         switch (evt) {
         case OFFLOAD_STATUS_DOWN: {
                 rdev->flags = CXIO_ERROR_FATAL;
+                synchronize_net();
                 event.event  = IB_EVENT_DEVICE_FATAL;
                 dispatch = 1;
                 break;
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/infiniband/hw/ehca/ehca_qes.h
index 5d28e3e98a20..90c4efa67586 100644
--- a/drivers/infiniband/hw/ehca/ehca_qes.h
+++ b/drivers/infiniband/hw/ehca/ehca_qes.h
@@ -46,7 +46,7 @@
 
 #include "ehca_tools.h"
 
-/* virtual scatter gather entry to specify remote adresses with length */
+/* virtual scatter gather entry to specify remote addresses with length */
 struct ehca_vsgentry {
         u64 vaddr;
         u32 lkey;
@@ -148,7 +148,7 @@ struct ehca_wqe {
         u32 immediate_data;
         union {
                 struct {
-                        u64 remote_virtual_adress;
+                        u64 remote_virtual_address;
                         u32 rkey;
                         u32 reserved;
                         u64 atomic_1st_op_dma_len;
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index e3ec7fdd67bd..9a3fbfca9b41 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -269,7 +269,7 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
                 /* no break is intentional here */
         case IB_QPT_RC:
                 /* TODO: atomic not implemented */
-                wqe_p->u.nud.remote_virtual_adress =
+                wqe_p->u.nud.remote_virtual_address =
                         send_wr->wr.rdma.remote_addr;
                 wqe_p->u.nud.rkey = send_wr->wr.rdma.rkey;
 
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index ce7f53833577..925075557dc2 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1899,9 +1899,14 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
         u16  wqe_fragment_index;
         u64 wqe_frag;
         u32 cqp_head;
+        u32 wqm_cfg0;
         unsigned long flags;
         int ret;
 
+        /* clear wqe stall before destroying NIC QP */
+        wqm_cfg0 = nes_read_indexed(nesdev, NES_IDX_WQM_CONFIG0);
+        nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0 & 0xFFFF7FFF);
+
         /* Free remaining NIC receive buffers */
         while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) {
                 nic_rqe   = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail];
@@ -2020,6 +2025,9 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
 
         pci_free_consistent(nesdev->pcidev, nesvnic->nic_mem_size, nesvnic->nic_vbase,
                         nesvnic->nic_pbase);
+
+        /* restore old wqm_cfg0 value */
+        nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0);
 }
 
 /**
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 9b1e7f869d83..bbbfe9fc5a5a 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -160,6 +160,7 @@ enum indexed_regs {
         NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI = 0x7004,
         NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO = 0x7008,
         NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI = 0x700c,
+        NES_IDX_WQM_CONFIG0 = 0x5000,
         NES_IDX_WQM_CONFIG1 = 0x5004,
         NES_IDX_CM_CONFIG = 0x5100,
         NES_IDX_NIC_LOGPORT_TO_PHYPORT = 0x6000,
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index a1d79b6856ac..91fdde382e82 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -1595,7 +1595,6 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
         struct nes_vnic *nesvnic;
         struct net_device *netdev;
         struct nic_qp_map *curr_qp_map;
-        u32 u32temp;
         u8 phy_type = nesdev->nesadapter->phy_type[nesdev->mac_index];
 
         netdev = alloc_etherdev(sizeof(struct nes_vnic));
@@ -1707,6 +1706,10 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
              ((phy_type == NES_PHY_TYPE_PUMA_1G) &&
               (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) ||
                ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) {
+                u32 u32temp;
+                u32 link_mask;
+                u32 link_val;
+
                 u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
                                 (0x200 * (nesdev->mac_index & 1)));
                 if (phy_type != NES_PHY_TYPE_PUMA_1G) {
@@ -1715,13 +1718,36 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
                                 (0x200 * (nesdev->mac_index & 1)), u32temp);
                 }
 
+                /* Check and set linkup here.  This is for back to back */
+                /* configuration where second port won't get link interrupt */
+                switch (phy_type) {
+                case NES_PHY_TYPE_PUMA_1G:
+                        if (nesdev->mac_index < 2) {
+                                link_mask = 0x01010000;
+                                link_val = 0x01010000;
+                        } else {
+                                link_mask = 0x02020000;
+                                link_val = 0x02020000;
+                        }
+                        break;
+                default:
+                        link_mask = 0x0f1f0000;
+                        link_val = 0x0f0f0000;
+                        break;
+                }
+
+                u32temp = nes_read_indexed(nesdev,
+                                           NES_IDX_PHY_PCS_CONTROL_STATUS0 +
+                                           (0x200 * (nesdev->mac_index & 1)));
+                if ((u32temp & link_mask) == link_val)
+                        nesvnic->linkup = 1;
+
                 /* clear the MAC interrupt status, assumes direct logical to physical mapping */
                 u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index));
                 nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp);
                 nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp);
 
                 nes_init_phy(nesdev);
-
         }
 
         return netdev;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 815725f886c4..69928296d74b 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1323,6 +1323,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
                         nesqp->nesqp_context->aeq_token_low =  cpu_to_le32((u32)((unsigned long)(nesqp)));
                         nesqp->nesqp_context->aeq_token_high =  cpu_to_le32((u32)(upper_32_bits((unsigned long)(nesqp))));
                         nesqp->nesqp_context->ird_ord_sizes = cpu_to_le32(NES_QPCONTEXT_ORDIRD_ALSMM |
+                                        NES_QPCONTEXT_ORDIRD_AAH |
                                         ((((u32)nesadapter->max_irrq_wr) <<
                                         NES_QPCONTEXT_ORDIRD_IRDSIZE_SHIFT) & NES_QPCONTEXT_ORDIRD_IRDSIZE_MASK));
                         if (disable_mpa_crc) {
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 83a7751c38d6..bc658373ad55 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -708,6 +708,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
         struct ipoib_dev_priv *priv = netdev_priv(dev);
         struct ipoib_cm_tx_buf *tx_req;
         u64 addr;
+        int rc;
 
         if (unlikely(skb->len > tx->mtu)) {
                 ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n",
@@ -739,9 +740,10 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 
         tx_req->mapping = addr;
 
-        if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
-                               addr, skb->len))) {
-                ipoib_warn(priv, "post_send failed\n");
+        rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
+                       addr, skb->len);
+        if (unlikely(rc)) {
+                ipoib_warn(priv, "post_send failed, error %d\n", rc);
                 ++dev->stats.tx_errors;
                 ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE);
                 dev_kfree_skb_any(skb);
@@ -752,6 +754,8 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
                 if (++priv->tx_outstanding == ipoib_sendq_size) {
                         ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n",
                                   tx->qp->qp_num);
+                        if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP))
+                                ipoib_warn(priv, "request notify on send CQ failed\n");
                         netif_stop_queue(dev);
                 }
         }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 8c91d9f37ada..5df40b128f81 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -529,7 +529,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
 {
         struct ipoib_dev_priv *priv = netdev_priv(dev);
         struct ipoib_tx_buf *tx_req;
-        int hlen;
+        int hlen, rc;
         void *phead;
 
         if (skb_is_gso(skb)) {
@@ -585,9 +585,10 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
                 netif_stop_queue(dev);
         }
 
-        if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
-                               address->ah, qpn, tx_req, phead, hlen))) {
-                ipoib_warn(priv, "post_send failed\n");
+        rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
+                       address->ah, qpn, tx_req, phead, hlen);
+        if (unlikely(rc)) {
+                ipoib_warn(priv, "post_send failed, error %d\n", rc);
                 ++dev->stats.tx_errors;
                 --priv->tx_outstanding;
                 ipoib_dma_unmap_tx(priv->ca, tx_req);