net: bridge: multicast: add context support for host-joined groups

Adding bridge multicast context support for host-joined groups is easy because we only need the proper timer value. We pass the already chosen context and use its timer value. Signed-off-by: Nikolay Aleksandrov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Jul 21, 2021 · 58d913a · 58d913a
1 parent 6567cb4
commit 58d913a
Show file tree

Hide file tree

Showing 3 changed files with 7 additions and 6 deletions.
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
@@ -1105,7 +1105,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
 			return -EEXIST;
 		}
 
-		br_multicast_host_join(mp, false);
+		br_multicast_host_join(brmctx, mp, false);
 		br_mdb_notify(br->dev, mp, NULL, RTM_NEWMDB);
 
 		return 0;

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
@@ -1312,7 +1312,8 @@ struct net_bridge_port_group *br_multicast_new_port_group(
 	return p;
 }
 
-void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify)
+void br_multicast_host_join(const struct net_bridge_mcast *brmctx,
+			    struct net_bridge_mdb_entry *mp, bool notify)
 {
 	if (!mp->host_joined) {
 		mp->host_joined = true;
@@ -1325,8 +1326,7 @@ void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify)
 	if (br_group_is_l2(&mp->addr))
 		return;
 
-	mod_timer(&mp->timer,
-		  jiffies + mp->br->multicast_ctx.multicast_membership_interval);
+	mod_timer(&mp->timer, jiffies + brmctx->multicast_membership_interval);
 }
 
 void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify)
@@ -1363,7 +1363,7 @@ __br_multicast_add_group(struct net_bridge_mcast *brmctx,
 		return ERR_CAST(mp);
 
 	if (!pmctx) {
-		br_multicast_host_join(mp, true);
+		br_multicast_host_join(brmctx, mp, true);
 		goto out;
 	}
 

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
@@ -887,7 +887,8 @@ void br_multicast_get_stats(const struct net_bridge *br,
 			    struct br_mcast_stats *dest);
 void br_mdb_init(void);
 void br_mdb_uninit(void);
-void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify);
+void br_multicast_host_join(const struct net_bridge_mcast *brmctx,
+			    struct net_bridge_mdb_entry *mp, bool notify);
 void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify);
 void br_multicast_star_g_handle_mode(struct net_bridge_port_group *pg,
 				     u8 filter_mode);