diff --git a/include/linux/if.h b/include/linux/if.h
index 3b2a46b..3a9f410 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -70,6 +70,7 @@
 #define IFF_XMIT_DST_RELEASE 0x400	/* dev_hard_start_xmit() is allowed to
 					 * release skb->dst
 					 */
+#define IFF_DONT_BRIDGE 0x800		/* disallow bridging this ether dev */
 
 #define IF_GET_IFACE	0x0001		/* for querying only */
 #define IF_GET_PROTO	0x0002