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authorJarek Poplawski <jarkao2@gmail.com>2008-10-31 00:45:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-31 00:45:55 -0700
commit8e3af97899db433111287e07d5105189f56fe191 (patch)
tree40e7779ea4b587c9c3b882018ccaac1b53419f1c /net/sched/sch_atm.c
parent99c0db26797edb39cf83c8c5f8972067f5426b4e (diff)
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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>
Diffstat (limited to 'net/sched/sch_atm.c')
-rw-r--r--net/sched/sch_atm.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 43d37256c15e..f9eac0818d18 100644
--- 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,