diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index dcb89e3..c6587c0 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -45,6 +45,7 @@
 #define BR_PROXYARP		BIT(8)
 #define BR_LEARNING_SYNC	BIT(9)
 #define BR_PROXYARP_WIFI	BIT(10)
+#define BR_MCAST_FLOOD		BIT(11)
 
 #define BR_DEFAULT_AGEING_TIME	(300 * HZ)