Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

[powerpc.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 225e38f..ef56c03 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1446,8 +1446,29 @@ static inline struct net_device *skb_bond(struct sk_buff *skb)
 {
        struct net_device *dev = skb->dev;
 
-       if (dev->master)
+       if (dev->master) {
+               /*
+                * On bonding slaves other than the currently active
+                * slave, suppress duplicates except for 802.3ad
+                * ETH_P_SLOW and alb non-mcast/bcast.
+                */
+               if (dev->priv_flags & IFF_SLAVE_INACTIVE) {
+                       if (dev->master->priv_flags & IFF_MASTER_ALB) {
+                               if (skb->pkt_type != PACKET_BROADCAST &&
+                                   skb->pkt_type != PACKET_MULTICAST)
+                                       goto keep;
+                       }
+
+                       if (dev->master->priv_flags & IFF_MASTER_8023AD &&
+                           skb->protocol == __constant_htons(ETH_P_SLOW))
+                               goto keep;
+               
+                       kfree_skb(skb);
+                       return NULL;
+               }
+keep:
                skb->dev = dev->master;
+       }
 
        return dev;
 }
@@ -1591,6 +1612,9 @@ int netif_receive_skb(struct sk_buff *skb)
 
        orig_dev = skb_bond(skb);
 
+       if (!orig_dev)
+               return NET_RX_DROP;
+
        __get_cpu_var(netdev_rx_stat).total++;
 
        skb->h.raw = skb->nh.raw = skb->data;