diff options
Diffstat (limited to 'net/bridge/br_mdb.c')
-rw-r--r-- | net/bridge/br_mdb.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 4e3a5cefc626..28cd35a9cf37 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -62,6 +62,8 @@ static void __mdb_entry_fill_flags(struct br_mdb_entry *e, unsigned char flags) e->flags |= MDB_FLAGS_OFFLOAD; if (flags & MDB_PG_FLAGS_FAST_LEAVE) e->flags |= MDB_FLAGS_FAST_LEAVE; + if (flags & MDB_PG_FLAGS_STAR_EXCL) + e->flags |= MDB_FLAGS_STAR_EXCL; } static void __mdb_entry_to_br_ip(struct br_mdb_entry *entry, struct br_ip *ip, @@ -822,11 +824,11 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, struct nlattr **mdb_attrs, struct netlink_ext_ack *extack) { - struct net_bridge_mdb_entry *mp; + struct net_bridge_mdb_entry *mp, *star_mp; struct net_bridge_port_group *p; struct net_bridge_port_group __rcu **pp; + struct br_ip group, star_group; unsigned long now = jiffies; - struct br_ip group; u8 filter_mode; int err; @@ -890,6 +892,25 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (entry->state == MDB_TEMPORARY) mod_timer(&p->timer, now + br->multicast_membership_interval); br_mdb_notify(br->dev, mp, p, RTM_NEWMDB); + /* if we are adding a new EXCLUDE port group (*,G) it needs to be also + * added to all S,G entries for proper replication, if we are adding + * a new INCLUDE port (S,G) then all of *,G EXCLUDE ports need to be + * added to it for proper replication + */ + if (br_multicast_should_handle_mode(br, group.proto)) { + switch (filter_mode) { + case MCAST_EXCLUDE: + br_multicast_star_g_handle_mode(p, MCAST_EXCLUDE); + break; + case MCAST_INCLUDE: + star_group = p->key.addr; + memset(&star_group.src, 0, sizeof(star_group.src)); + star_mp = br_mdb_ip_get(br, &star_group); + if (star_mp) + br_multicast_sg_add_exclude_ports(star_mp, p); + break; + } + } return 0; } |