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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 <amwang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Amerigo Wang 14 жил өмнө
parent
commit
5a698af53f
1 өөрчлөгдсөн 11 нэмэгдсэн , 0 устгасан
  1. 11 0
      net/core/netpoll.c

+ 11 - 0
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();