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authorJarek Poplawski <jarkao2@gmail.com>2008-10-31 00:47:01 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-31 00:47:01 -0700
commit77be155cba4e163e8bba9fd27222a8b6189ec4f7 (patch)
tree0819d4c0bb760080aaba8a00060a774205914034 /net/sched/sch_htb.c
parent03c05f0d4bb0c267edf12d614025a40e33c5a6f9 (diff)
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 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index d14f02056ae..3fda8199713 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1565,6 +1565,7 @@ static struct Qdisc_ops htb_qdisc_ops __read_mostly = {
.priv_size = sizeof(struct htb_sched),
.enqueue = htb_enqueue,
.dequeue = htb_dequeue,
+ .peek = qdisc_peek_dequeued,
.requeue = htb_requeue,
.drop = htb_drop,
.init = htb_init,