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Diffstat (limited to 'net/bridge/br_mdb.c')
-rw-r--r--net/bridge/br_mdb.c25
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;
}