diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 153f6b9..3d870fd 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -339,6 +339,7 @@
 enum vlan_flags {
 	VLAN_FLAG_REORDER_HDR	= 0x1,
 	VLAN_FLAG_GVRP		= 0x2,
+	VLAN_FLAG_LOOSE_BINDING	= 0x4,
 };
 
 enum vlan_name_types {