Merge branch 'misc' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc...

[pandora-kernel.git] / drivers / infiniband / ulp / ipoib / ipoib_multicast.c

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 93c462e..1dae4b2 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -114,8 +114,7 @@ static void ipoib_mcast_free(struct ipoib_mcast *mcast)
                 */
                if (neigh->ah)
                        ipoib_put_ah(neigh->ah);
-               *to_ipoib_neigh(neigh->neighbour) = NULL;
-               kfree(neigh);
+               ipoib_neigh_free(neigh);
        }
 
        spin_unlock_irqrestore(&priv->lock, flags);
@@ -251,6 +250,7 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                        .port_num      = priv->port,
                        .sl            = mcast->mcmember.sl,
                        .ah_flags      = IB_AH_GRH,
+                       .static_rate   = mcast->mcmember.rate,
                        .grh           = {
                                .flow_label    = be32_to_cpu(mcast->mcmember.flow_label),
                                .hop_limit     = mcast->mcmember.hop_limit,
@@ -258,17 +258,8 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
                                .traffic_class = mcast->mcmember.traffic_class
                        }
                };
-               int path_rate = ib_sa_rate_enum_to_int(mcast->mcmember.rate);
-
                av.grh.dgid = mcast->mcmember.mgid;
 
-               if (path_rate > 0 && priv->local_rate > path_rate)
-                       av.static_rate = (priv->local_rate - 1) / path_rate;
-
-               ipoib_dbg_mcast(priv, "static_rate %d for local port %dX, mcmember %dX\n",
-                               av.static_rate, priv->local_rate,
-                               ib_sa_rate_enum_to_int(mcast->mcmember.rate));
-
                ah = ipoib_create_ah(dev, priv->pd, &av);
                if (!ah) {
                        ipoib_warn(priv, "ib_address_create failed\n");
@@ -618,6 +609,22 @@ int ipoib_mcast_start_thread(struct net_device *dev)
        return 0;
 }
 
+static void wait_for_mcast_join(struct ipoib_dev_priv *priv,
+                               struct ipoib_mcast *mcast)
+{
+       spin_lock_irq(&priv->lock);
+       if (mcast && mcast->query) {
+               ib_sa_cancel_query(mcast->query_id, mcast->query);
+               mcast->query = NULL;
+               spin_unlock_irq(&priv->lock);
+               ipoib_dbg_mcast(priv, "waiting for MGID " IPOIB_GID_FMT "\n",
+                               IPOIB_GID_ARG(mcast->mcmember.mgid));
+               wait_for_completion(&mcast->done);
+       }
+       else
+               spin_unlock_irq(&priv->lock);
+}
+
 int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
 {
        struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -637,28 +644,10 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
        if (flush)
                flush_workqueue(ipoib_workqueue);
 
-       spin_lock_irq(&priv->lock);
-       if (priv->broadcast && priv->broadcast->query) {
-               ib_sa_cancel_query(priv->broadcast->query_id, priv->broadcast->query);
-               priv->broadcast->query = NULL;
-               spin_unlock_irq(&priv->lock);
-               ipoib_dbg_mcast(priv, "waiting for bcast\n");
-               wait_for_completion(&priv->broadcast->done);
-       } else
-               spin_unlock_irq(&priv->lock);
+       wait_for_mcast_join(priv, priv->broadcast);
 
-       list_for_each_entry(mcast, &priv->multicast_list, list) {
-               spin_lock_irq(&priv->lock);
-               if (mcast->query) {
-                       ib_sa_cancel_query(mcast->query_id, mcast->query);
-                       mcast->query = NULL;
-                       spin_unlock_irq(&priv->lock);
-                       ipoib_dbg_mcast(priv, "waiting for MGID " IPOIB_GID_FMT "\n",
-                                       IPOIB_GID_ARG(mcast->mcmember.mgid));
-                       wait_for_completion(&mcast->done);
-               } else
-                       spin_unlock_irq(&priv->lock);
-       }
+       list_for_each_entry(mcast, &priv->multicast_list, list)
+               wait_for_mcast_join(priv, mcast);
 
        return 0;
 }
@@ -772,13 +761,11 @@ out:
                if (skb->dst            &&
                    skb->dst->neighbour &&
                    !*to_ipoib_neigh(skb->dst->neighbour)) {
-                       struct ipoib_neigh *neigh = kmalloc(sizeof *neigh, GFP_ATOMIC);
+                       struct ipoib_neigh *neigh = ipoib_neigh_alloc(skb->dst->neighbour);
 
                        if (neigh) {
                                kref_get(&mcast->ah->ref);
                                neigh->ah       = mcast->ah;
-                               neigh->neighbour = skb->dst->neighbour;
-                               *to_ipoib_neigh(skb->dst->neighbour) = neigh;
                                list_add_tail(&neigh->list, &mcast->neigh_list);
                        }
                }
@@ -913,6 +900,7 @@ void ipoib_mcast_restart_task(void *dev_ptr)
 
        /* We have to cancel outside of the spinlock */
        list_for_each_entry_safe(mcast, tmcast, &remove_list, list) {
+               wait_for_mcast_join(priv, mcast);
                ipoib_mcast_leave(mcast->dev, mcast);
                ipoib_mcast_free(mcast);
        }