diff options
Diffstat (limited to 'net/bridge/br_fdb.c')
| -rw-r--r-- | net/bridge/br_fdb.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index d9e69e4514be..a1c409cacec4 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -121,6 +121,28 @@ static struct net_bridge_fdb_entry *br_fdb_find(struct net_bridge *br, return fdb; } +struct net_device *br_fdb_find_port(const struct net_device *br_dev, + const unsigned char *addr, + __u16 vid) +{ + struct net_bridge_fdb_entry *f; + struct net_device *dev = NULL; + struct net_bridge *br; + + ASSERT_RTNL(); + + if (!netif_is_bridge_master(br_dev)) + return NULL; + + br = netdev_priv(br_dev); + f = br_fdb_find(br, addr, vid); + if (f && f->dst) + dev = f->dst->dev; + + return dev; +} +EXPORT_SYMBOL_GPL(br_fdb_find_port); + struct net_bridge_fdb_entry *br_fdb_find_rcu(struct net_bridge *br, const unsigned char *addr, __u16 vid) |