diff options
Diffstat (limited to 'net/bridge/br_input.c')
| -rw-r--r-- | net/bridge/br_input.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 828e2bcc1f52..1b8b8b824cd7 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -65,6 +65,7 @@ int br_handle_frame_finish(struct sk_buff *skb) struct net_bridge_fdb_entry *dst; struct net_bridge_mdb_entry *mdst; struct sk_buff *skb2; + bool unicast = true; u16 vid = 0; if (!p || p->state == BR_STATE_DISABLED) @@ -75,7 +76,8 @@ int br_handle_frame_finish(struct sk_buff *skb) /* insert into forwarding database after filtering to avoid spoofing */ br = p->br; - br_fdb_update(br, p, eth_hdr(skb)->h_source, vid); + if (p->flags & BR_LEARNING) + br_fdb_update(br, p, eth_hdr(skb)->h_source, vid); if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) && br_multicast_rcv(br, p, skb)) @@ -94,9 +96,10 @@ int br_handle_frame_finish(struct sk_buff *skb) dst = NULL; - if (is_broadcast_ether_addr(dest)) + if (is_broadcast_ether_addr(dest)) { skb2 = skb; - else if (is_multicast_ether_addr(dest)) { + unicast = false; + } else if (is_multicast_ether_addr(dest)) { mdst = br_mdb_get(br, skb, vid); if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) { if ((mdst && mdst->mglist) || @@ -109,6 +112,7 @@ int br_handle_frame_finish(struct sk_buff *skb) } else skb2 = skb; + unicast = false; br->dev->stats.multicast++; } else if ((dst = __br_fdb_get(br, dest, vid)) && dst->is_local) { @@ -122,7 +126,7 @@ int br_handle_frame_finish(struct sk_buff *skb) dst->used = jiffies; br_forward(dst->dst, skb, skb2); } else - br_flood_forward(br, skb, skb2); + br_flood_forward(br, skb, skb2, unicast); } if (skb2) @@ -142,7 +146,8 @@ static int br_handle_local_finish(struct sk_buff *skb) u16 vid = 0; br_vlan_get_tag(skb, &vid); - br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid); + if (p->flags & BR_LEARNING) + br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid); return 0; /* process further */ } |