diff options
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_fdb.c | 8 | ||||
| -rw-r--r-- | net/bridge/br_input.c | 1 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 5 |
3 files changed, 9 insertions, 5 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 284b3662d234..4877a0db16c6 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -566,11 +566,6 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, if (hold_time(br) == 0) return; - /* ignore packets unless we are using this port */ - if (!(source->state == BR_STATE_LEARNING || - source->state == BR_STATE_FORWARDING)) - return; - fdb = fdb_find_rcu(&br->fdb_hash_tbl, addr, vid); if (likely(fdb)) { /* attempt to update an entry for a local interface */ @@ -886,6 +881,9 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br, br->dev->name); return -EINVAL; } + if (!nbp_state_should_learn(p)) + return 0; + local_bh_disable(); rcu_read_lock(); br_fdb_update(br, p, addr, vid, BIT(BR_FDB_ADDED_BY_USER)); diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index f37b05090f45..8944ceb47fe9 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -182,6 +182,7 @@ static void __br_handle_local_finish(struct sk_buff *skb) /* check if vlan is allowed, to avoid spoofing */ if ((p->flags & BR_LEARNING) && + nbp_state_should_learn(p) && !br_opt_get(p->br, BROPT_NO_LL_LEARN) && br_should_learn(p, skb, &vid)) br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid, 0); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 08742bff9bf0..36b0367ca1e0 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -500,6 +500,11 @@ static inline bool br_vlan_should_use(const struct net_bridge_vlan *v) return true; } +static inline bool nbp_state_should_learn(const struct net_bridge_port *p) +{ + return p->state == BR_STATE_LEARNING || p->state == BR_STATE_FORWARDING; +} + static inline int br_opt_get(const struct net_bridge *br, enum net_bridge_opts opt) { |