net: bridge: Add netlink knobs for number / maximum MDB entries

[linux-2.6-microblaze.git] / net / bridge / br_multicast.c

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index b6aa0ba..96d1fc7 100644 (file)
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -772,6 +772,21 @@ static void br_multicast_port_ngroups_dec(struct net_bridge_port *port, u16 vid)
        br_multicast_port_ngroups_dec_one(&port->multicast_ctx);
 }
 
+u32 br_multicast_ngroups_get(const struct net_bridge_mcast_port *pmctx)
+{
+       return READ_ONCE(pmctx->mdb_n_entries);
+}
+
+void br_multicast_ngroups_set_max(struct net_bridge_mcast_port *pmctx, u32 max)
+{
+       WRITE_ONCE(pmctx->mdb_max_entries, max);
+}
+
+u32 br_multicast_ngroups_get_max(const struct net_bridge_mcast_port *pmctx)
+{
+       return READ_ONCE(pmctx->mdb_max_entries);
+}
+
 static void br_multicast_destroy_port_group(struct net_bridge_mcast_gc *gc)
 {
        struct net_bridge_port_group *pg;