http://linux.bkbits.net:8080/linux-2.5/cset%401.2009.1.32

--- a/usr/include/linux/pkt_cls.h	2005-03-13 21:53:56.000000000 +0100
+++ b/usr/include/linux/pkt_cls.h	2005-04-02 15:00:18.000000000 +0200
@@ -223,6 +223,13 @@
 	struct tc_u32_key	keys[0];
 };
 
+struct tc_u32_mark
+{
+	__u32		val;
+	__u32		mask;
+	__u32		success;
+};
+
 struct tc_u32_pcnt
 {
 	__u64 rcnt;