net sched actions: introduce timestamp for firsttime use

Useful to know when the action was first used for accounting
(and debugging)

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index f4297c8..9ba1410 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -124,6 +124,7 @@
 	__u64   install;
 	__u64   lastuse;
 	__u64   expires;
+	__u64   firstuse;
 };
 
 struct tc_cnt {