pkt_sched: Add qdisc->ops->peek() implementation.
Add qdisc->ops->peek() implementation for work-conserving qdiscs.
With feedback from Patrick McHardy.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index c1ad6b8..cb20ee3 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -602,6 +602,7 @@
.priv_size = sizeof(struct gred_sched),
.enqueue = gred_enqueue,
.dequeue = gred_dequeue,
+ .peek = qdisc_peek_head,
.requeue = gred_requeue,
.drop = gred_drop,
.init = gred_init,