Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / drivers / infiniband / core / cm.c

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 1c7463b..0de335b 100644 (file)
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -254,23 +254,13 @@ static void cm_set_private_data(struct cm_id_private *cm_id_priv,
        cm_id_priv->private_data_len = private_data_len;
 }
 
-static void cm_set_ah_attr(struct ib_ah_attr *ah_attr, u8 port_num,
-                          u16 dlid, u8 sl, u16 src_path_bits)
-{
-       memset(ah_attr, 0, sizeof ah_attr);
-       ah_attr->dlid = dlid;
-       ah_attr->sl = sl;
-       ah_attr->src_path_bits = src_path_bits;
-       ah_attr->port_num = port_num;
-}
-
-static void cm_init_av_for_response(struct cm_port *port,
-                                   struct ib_wc *wc, struct cm_av *av)
+static void cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc,
+                                   struct ib_grh *grh, struct cm_av *av)
 {
        av->port = port;
        av->pkey_index = wc->pkey_index;
-       cm_set_ah_attr(&av->ah_attr, port->port_num, wc->slid,
-                      wc->sl, wc->dlid_path_bits);
+       ib_init_ah_from_wc(port->cm_dev->device, port->port_num, wc,
+                          grh, &av->ah_attr);
 }
 
 static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
@@ -300,9 +290,8 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
                return ret;
 
        av->port = port;
-       cm_set_ah_attr(&av->ah_attr, av->port->port_num,
-                      be16_to_cpu(path->dlid), path->sl,
-                      be16_to_cpu(path->slid) & 0x7F);
+       ib_init_ah_from_path(cm_dev->device, port->port_num, path,
+                            &av->ah_attr);
        av->packet_life_time = path->packet_life_time;
        return 0;
 }
@@ -712,7 +701,7 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
        }
 }
 
-void ib_destroy_cm_id(struct ib_cm_id *cm_id)
+static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
 {
        struct cm_id_private *cm_id_priv;
        struct cm_work *work;
@@ -746,12 +735,22 @@ retest:
                               sizeof cm_id_priv->av.port->cm_dev->ca_guid,
                               NULL, 0);
                break;
+       case IB_CM_REQ_RCVD:
+               if (err == -ENOMEM) {
+                       /* Do not reject to allow future retries. */
+                       cm_reset_to_idle(cm_id_priv);
+                       spin_unlock_irqrestore(&cm_id_priv->lock, flags);
+               } else {
+                       spin_unlock_irqrestore(&cm_id_priv->lock, flags);
+                       ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED,
+                                      NULL, 0, NULL, 0);
+               }
+               break;
        case IB_CM_MRA_REQ_RCVD:
        case IB_CM_REP_SENT:
        case IB_CM_MRA_REP_RCVD:
                ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
                /* Fall through */
-       case IB_CM_REQ_RCVD:
        case IB_CM_MRA_REQ_SENT:
        case IB_CM_REP_RCVD:
        case IB_CM_MRA_REP_SENT:
@@ -786,6 +785,11 @@ retest:
        kfree(cm_id_priv->private_data);
        kfree(cm_id_priv);
 }
+
+void ib_destroy_cm_id(struct ib_cm_id *cm_id)
+{
+       cm_destroy_id(cm_id, 0);
+}
 EXPORT_SYMBOL(ib_destroy_cm_id);
 
 int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask,
@@ -971,8 +975,10 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
 
        cm_id_priv->timewait_info = cm_create_timewait_info(cm_id_priv->
                                                            id.local_id);
-       if (IS_ERR(cm_id_priv->timewait_info))
+       if (IS_ERR(cm_id_priv->timewait_info)) {
+               ret = PTR_ERR(cm_id_priv->timewait_info);
                goto out;
+       }
 
        ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av);
        if (ret)
@@ -1174,7 +1180,7 @@ static void cm_process_work(struct cm_id_private *cm_id_priv,
        }
        cm_deref_id(cm_id_priv);
        if (ret)
-               ib_destroy_cm_id(&cm_id_priv->id);
+               cm_destroy_id(&cm_id_priv->id, ret);
 }
 
 static void cm_format_mra(struct cm_mra_msg *mra_msg,
@@ -1342,6 +1348,7 @@ static int cm_req_handler(struct cm_work *work)
        cm_id_priv = container_of(cm_id, struct cm_id_private, id);
        cm_id_priv->id.remote_id = req_msg->local_comm_id;
        cm_init_av_for_response(work->port, work->mad_recv_wc->wc,
+                               work->mad_recv_wc->recv_buf.grh,
                                &cm_id_priv->av);
        cm_id_priv->timewait_info = cm_create_timewait_info(cm_id_priv->
                                                            id.local_id);
@@ -2615,7 +2622,7 @@ static void cm_format_sidr_req(struct cm_sidr_req_msg *sidr_req_msg,
        cm_format_mad_hdr(&sidr_req_msg->hdr, CM_SIDR_REQ_ATTR_ID,
                          cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_SIDR));
        sidr_req_msg->request_id = cm_id_priv->id.local_id;
-       sidr_req_msg->pkey = cpu_to_be16(param->pkey);
+       sidr_req_msg->pkey = cpu_to_be16(param->path->pkey);
        sidr_req_msg->service_id = param->service_id;
 
        if (param->private_data && param->private_data_len)
@@ -2707,6 +2714,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
        cm_id_priv->av.dgid.global.subnet_prefix = cpu_to_be64(wc->slid);
        cm_id_priv->av.dgid.global.interface_id = 0;
        cm_init_av_for_response(work->port, work->mad_recv_wc->wc,
+                               work->mad_recv_wc->recv_buf.grh,
                                &cm_id_priv->av);
        cm_id_priv->id.remote_id = sidr_req_msg->request_id;
        cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;
@@ -3161,6 +3169,7 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv,
                }
                if (cm_id_priv->alt_av.ah_attr.dlid) {
                        *qp_attr_mask |= IB_QP_ALT_PATH;
+                       qp_attr->alt_port_num = cm_id_priv->alt_av.port->port_num;
                        qp_attr->alt_ah_attr = cm_id_priv->alt_av.ah_attr;
                }
                ret = 0;