1 files changed, 14 insertions, 27 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index aae3670..827820e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -57,28 +57,6 @@ MODULE_PARM_DESC(mcast_debug_level,
 
 static DEFINE_MUTEX(mcast_mutex);
 
-/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
-struct ipoib_mcast {
-	struct ib_sa_mcmember_rec mcmember;
-	struct ib_sa_multicast	 *mc;
-	struct ipoib_ah          *ah;
-
-	struct rb_node    rb_node;
-	struct list_head  list;
-
-	unsigned long created;
-	unsigned long backoff;
-
-	unsigned long flags;
-	unsigned char logcount;
-
-	struct list_head  neigh_list;
-
-	struct sk_buff_head pkt_queue;
-
-	struct net_device *dev;
-};
-
 struct ipoib_mcast_iter {
 	struct net_device *dev;
 	union ib_gid       mgid;
@@ -125,7 +103,7 @@ static void ipoib_mcast_free(struct ipoib_mcast *mcast)
 	}
 
 	spin_lock_irqsave(&priv->tx_lock, flags);
-	priv->stats.tx_dropped += tx_dropped;
+	dev->stats.tx_dropped += tx_dropped;
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 
 	kfree(mcast);
@@ -320,7 +298,7 @@ ipoib_mcast_sendonly_join_complete(int status,
 		/* Flush out any queued packets */
 		spin_lock_irq(&priv->tx_lock);
 		while (!skb_queue_empty(&mcast->pkt_queue)) {
-			++priv->stats.tx_dropped;
+			++dev->stats.tx_dropped;
 			dev_kfree_skb_any(skb_dequeue(&mcast->pkt_queue));
 		}
 		spin_unlock_irq(&priv->tx_lock);
@@ -675,7 +653,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
 	if (!test_bit(IPOIB_MCAST_STARTED, &priv->flags)	||
 	    !priv->broadcast					||
 	    !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &priv->broadcast->flags)) {
-		++priv->stats.tx_dropped;
+		++dev->stats.tx_dropped;
 		dev_kfree_skb_any(skb);
 		goto unlock;
 	}
@@ -690,7 +668,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
 		if (!mcast) {
 			ipoib_warn(priv, "unable to allocate memory for "
 				   "multicast structure\n");
-			++priv->stats.tx_dropped;
+			++dev->stats.tx_dropped;
 			dev_kfree_skb_any(skb);
 			goto out;
 		}
@@ -705,7 +683,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
 		if (skb_queue_len(&mcast->pkt_queue) < IPOIB_MAX_MCAST_QUEUE)
 			skb_queue_tail(&mcast->pkt_queue, skb);
 		else {
-			++priv->stats.tx_dropped;
+			++dev->stats.tx_dropped;
 			dev_kfree_skb_any(skb);
 		}
 
@@ -783,6 +761,7 @@ void ipoib_mcast_restart_task(struct work_struct *work)
 	struct ipoib_mcast *mcast, *tmcast;
 	LIST_HEAD(remove_list);
 	unsigned long flags;
+	struct ib_sa_mcmember_rec rec;
 
 	ipoib_dbg_mcast(priv, "restarting multicast task\n");
 
@@ -816,6 +795,14 @@ void ipoib_mcast_restart_task(struct work_struct *work)
 		if (!mcast || test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) {
 			struct ipoib_mcast *nmcast;
 
+			/* ignore group which is directly joined by userspace */
+			if (test_bit(IPOIB_FLAG_UMCAST, &priv->flags) &&
+			    !ib_sa_get_mcmember_rec(priv->ca, priv->port, &mgid, &rec)) {
+				ipoib_dbg_mcast(priv, "ignoring multicast entry for mgid "
+						IPOIB_GID_FMT "\n", IPOIB_GID_ARG(mgid));
+				continue;
+			}
+
 			/* Not found or send-only group, let's add a new entry */
 			ipoib_dbg_mcast(priv, "adding multicast entry for mgid "
 					IPOIB_GID_FMT "\n", IPOIB_GID_ARG(mgid));