bridge: Add flag to control mac learning.

[karo-tx-linux.git] / net / bridge / br_input.c

diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 828e2bcc1f525570809b652c98e1c011b2850940..7e993667d4bfac3db9e77e61671316ede606aee3 100644 (file)
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -75,7 +75,8 @@ 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))
@@ -142,7 +143,8 @@ 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 */
 }