pkt_sched: Add qdisc->ops->peek() implementation.

[safe/jmp/linux-2.6] / net / sched / sch_atm.c

diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 43d3725..f9eac08 100644 (file)
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -522,6 +522,15 @@ static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch)
        return skb;
 }
 
+static struct sk_buff *atm_tc_peek(struct Qdisc *sch)
+{
+       struct atm_qdisc_data *p = qdisc_priv(sch);
+
+       pr_debug("atm_tc_peek(sch %p,[qdisc %p])\n", sch, p);
+
+       return p->link.q->ops->peek(p->link.q);
+}
+
 static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
 {
        struct atm_qdisc_data *p = qdisc_priv(sch);
@@ -694,6 +703,7 @@ static struct Qdisc_ops atm_qdisc_ops __read_mostly = {
        .priv_size      = sizeof(struct atm_qdisc_data),
        .enqueue        = atm_tc_enqueue,
        .dequeue        = atm_tc_dequeue,
+       .peek           = atm_tc_peek,
        .requeue        = atm_tc_requeue,
        .drop           = atm_tc_drop,
        .init           = atm_tc_init,