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path: root/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_multicast.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c58
1 files changed, 23 insertions, 35 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 93c462e..1dae4b2 100644
--- 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);
}