diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_input.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 0b6d32619468..c20c5be6fc22 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -134,10 +134,10 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb struct net_bridge_port *p = br_port_get_rcu(skb->dev); const unsigned char *dest = eth_hdr(skb)->h_dest; struct net_bridge_fdb_entry *dst = NULL; + bool mcast_hit = false, unicast = true; struct net_bridge_mdb_entry *mdst; struct net_bridge *br; struct sk_buff *skb2; - bool unicast = true; u16 vid = 0; if (!p || p->state == BR_STATE_DISABLED) @@ -177,30 +177,29 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb if ((mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) && br_multicast_querier_exists(br, eth_hdr(skb))) { if ((mdst && mdst->mglist) || - br_multicast_is_router(br)) + br_multicast_is_router(br)) { skb2 = skb; - br_multicast_forward(mdst, skb, skb2); - skb = NULL; - if (!skb2) - goto out; + br->dev->stats.multicast++; + } + mcast_hit = true; } else { skb2 = skb; + br->dev->stats.multicast++; } unicast = false; - br->dev->stats.multicast++; } else if ((dst = __br_fdb_get(br, dest, vid)) && dst->is_local) { - skb2 = skb; /* Do not forward the packet since it's local. */ - skb = NULL; + return br_pass_frame_up(skb); } - if (skb) { - if (dst) { - dst->used = jiffies; - br_forward(dst->dst, skb, skb2); - } else { + if (dst) { + dst->used = jiffies; + br_forward(dst->dst, skb, skb2); + } else { + if (!mcast_hit) br_flood_forward(br, skb, skb2, unicast); - } + else + br_multicast_forward(mdst, skb, skb2); } if (skb2) |