bond: service netpoll arp queue on master device

Neil pointed out that we can't send ARP reply on behalf of slaves, we need to move the arp queue to their bond device. Signed-off-by: WANG Cong <[email protected]> Acked-by: Neil Horman <[email protected]> Signed-off-by: David S. Miller <[email protected]>
RyanHsu · Feb 28, 2011 · 5a698af · 5a698af
1 parent 080e413
commit 5a698af
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
@@ -193,6 +193,17 @@ void netpoll_poll_dev(struct net_device *dev)
 
 	poll_napi(dev);
 
+	if (dev->priv_flags & IFF_SLAVE) {
+		if (dev->npinfo) {
+			struct net_device *bond_dev = dev->master;
+			struct sk_buff *skb;
+			while ((skb = skb_dequeue(&dev->npinfo->arp_tx))) {
+				skb->dev = bond_dev;
+				skb_queue_tail(&bond_dev->npinfo->arp_tx, skb);
+			}
+		}
+	}
+
 	service_arp_queue(dev->npinfo);
 
 	zap_completion_queue();