diff --git a/include/linux/netconf.h b/include/linux/netconf.h
index 6ceb170d..7210fe4d 100644
--- a/include/linux/netconf.h
+++ b/include/linux/netconf.h
@@ -15,6 +15,7 @@ enum {
 	NETCONFA_RP_FILTER,
 	NETCONFA_MC_FORWARDING,
 	NETCONFA_PROXY_NEIGH,
+	NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN,
 	__NETCONFA_MAX
 };
 #define NETCONFA_MAX	(__NETCONFA_MAX - 1)