diff --git a/include/net/flow.h b/include/net/flow.h
index e052291..3ca210e 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -26,6 +26,7 @@
 		struct {
 			struct in6_addr		daddr;
 			struct in6_addr		saddr;
+			__u32			fwmark;
 			__u32			flowlabel;
 		} ip6_u;
 
@@ -42,6 +43,7 @@
 #define fld_scope	nl_u.dn_u.scope
 #define fl6_dst		nl_u.ip6_u.daddr
 #define fl6_src		nl_u.ip6_u.saddr
+#define fl6_fwmark	nl_u.ip6_u.fwmark
 #define fl6_flowlabel	nl_u.ip6_u.flowlabel
 #define fl4_dst		nl_u.ip4_u.daddr
 #define fl4_src		nl_u.ip4_u.saddr