diff options
| author |   Jarek Poplawski <jarkao2@gmail.com> | 2008-10-31 00:47:01 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-10-31 00:47:01 -0700 |
| commit | 77be155cba4e163e8bba9fd27222a8b6189ec4f7 (patch) | |
| tree | 0819d4c0bb760080aaba8a00060a774205914034 /net/sched/sch_atm.c | |
| parent | pkt_sched: Use qdisc->ops->peek() instead of ->dequeue() & ->requeue() (diff) | |
| download | linux-dev-77be155cba4e163e8bba9fd27222a8b6189ec4f7.tar.xz linux-dev-77be155cba4e163e8bba9fd27222a8b6189ec4f7.zip | |
pkt_sched: Add peek emulation for non-work-conserving qdiscs.
This patch adds qdisc_peek_dequeued() wrapper to emulate peek method
with qdisc->dequeue() and storing "peeked" skb in qdisc->gso_skb until
dequeuing. This is mainly for compatibility reasons not to break some
strange configs because peeking is expected for non-work-conserving
parent qdiscs to query work-conserving child qdiscs.
This implementation requires using qdisc_dequeue_peeked() wrapper
instead of directly calling qdisc->dequeue() for all qdiscs ever
querried with qdisc->ops->peek() or qdisc_peek_dequeued().
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/sched/sch_atm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 2ee0c1a8efa9..6eb9a650b63d 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -484,7 +484,7 @@ static void sch_atm_dequeue(unsigned long data) if (!atm_may_send(flow->vcc, skb->truesize)) break; - skb = flow->q->dequeue(flow->q); + skb = qdisc_dequeue_peeked(flow->q); if (unlikely(!skb)) break; @@ -519,7 +519,7 @@ static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch) pr_debug("atm_tc_dequeue(sch %p,[qdisc %p])\n", sch, p); tasklet_schedule(&p->task); - skb = p->link.q->dequeue(p->link.q); + skb = qdisc_dequeue_peeked(p->link.q); if (skb) sch->q.qlen--; return skb; |