net: bridge: multicast: notify switchdev driver whenever MC processing gets disabled

[thirdparty/kernel/stable.git] / net / bridge / br_multicast.c

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index de24098894897270bbae00f5efe546a05728cc7a..db4f2641d1cd1e963de1695ad3e46d1a15761ab6 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -82,6 +82,9 @@ static void br_multicast_find_del_pg(struct net_bridge *br,
                                     struct net_bridge_port_group *pg);
 static void __br_multicast_stop(struct net_bridge_mcast *brmctx);
 
+static int br_mc_disabled_update(struct net_device *dev, bool value,
+                                struct netlink_ext_ack *extack);
+
 static struct net_bridge_port_group *
 br_sg_port_find(struct net_bridge *br,
                struct net_bridge_port_group_sg_key *sg_p)
@@ -1156,6 +1159,7 @@ struct net_bridge_mdb_entry *br_multicast_new_group(struct net_bridge *br,
                return mp;
 
        if (atomic_read(&br->mdb_hash_tbl.nelems) >= br->hash_max) {
+               br_mc_disabled_update(br->dev, false, NULL);
                br_opt_toggle(br, BROPT_MULTICAST_ENABLED, false);
                return ERR_PTR(-E2BIG);
        }