diff options
| -rw-r--r-- | net/bridge/br_forward.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 4d12999e4576..e28ffadd1371 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -274,10 +274,19 @@ void br_multicast_flood(struct net_bridge_mdb_entry *mdst, struct net_bridge *br = netdev_priv(dev); struct net_bridge_port *prev = NULL; struct net_bridge_port_group *p; + bool allow_mode_include = true; struct hlist_node *rp; rp = rcu_dereference(hlist_first_rcu(&br->router_list)); - p = mdst ? rcu_dereference(mdst->ports) : NULL; + if (mdst) { + p = rcu_dereference(mdst->ports); + if (br_multicast_should_handle_mode(br, mdst->addr.proto) && + br_multicast_is_star_g(&mdst->addr)) + allow_mode_include = false; + } else { + p = NULL; + } + while (p || rp) { struct net_bridge_port *port, *lport, *rport; @@ -292,6 +301,10 @@ void br_multicast_flood(struct net_bridge_mdb_entry *mdst, local_orig); goto delivered; } + if ((!allow_mode_include && + p->filter_mode == MCAST_INCLUDE) || + (p->flags & MDB_PG_FLAGS_BLOCKED)) + goto delivered; } else { port = rport; } |