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authorJarek Poplawski <jarkao2@gmail.com>2008-11-14 09:56:30 +0300
committerDavid S. Miller <davem@davemloft.net>2008-11-14 09:56:30 +0300
commitf30ab418a1d3c5a8b83493e7d70d6876a74aa0ce (patch)
tree271f0d093d2436b0d0ebdff151fc4f5b1fb15f21 /net/sched/sch_multiq.c
parent38a7ddffa4b79d7b1fbc9bf2fa82b21b72622858 (diff)
downloadlinux-f30ab418a1d3c5a8b83493e7d70d6876a74aa0ce.tar.xz
pkt_sched: Remove qdisc->ops->requeue() etc.
After implementing qdisc->ops->peek() and changing sch_netem into classless qdisc there are no more qdisc->ops->requeue() users. This patch removes this method with its wrappers (qdisc_requeue()), and also unused qdisc->requeue structure. There are a few minor fixes of warnings (htb_enqueue()) and comments btw. The idea to kill ->requeue() and a similar patch were first developed by David S. Miller. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_multiq.c')
-rw-r--r--net/sched/sch_multiq.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 155648d23b7c..f645ac55a1a1 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -92,40 +92,6 @@ multiq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
return ret;
}
-
-static int
-multiq_requeue(struct sk_buff *skb, struct Qdisc *sch)
-{
- struct Qdisc *qdisc;
- struct multiq_sched_data *q = qdisc_priv(sch);
- int ret;
-
- qdisc = multiq_classify(skb, sch, &ret);
-#ifdef CONFIG_NET_CLS_ACT
- if (qdisc == NULL) {
- if (ret & __NET_XMIT_BYPASS)
- sch->qstats.drops++;
- kfree_skb(skb);
- return ret;
- }
-#endif
-
- ret = qdisc->ops->requeue(skb, qdisc);
- if (ret == NET_XMIT_SUCCESS) {
- sch->q.qlen++;
- sch->qstats.requeues++;
- if (q->curband)
- q->curband--;
- else
- q->curband = q->bands - 1;
- return NET_XMIT_SUCCESS;
- }
- if (net_xmit_drop_count(ret))
- sch->qstats.drops++;
- return ret;
-}
-
-
static struct sk_buff *multiq_dequeue(struct Qdisc *sch)
{
struct multiq_sched_data *q = qdisc_priv(sch);
@@ -140,7 +106,7 @@ static struct sk_buff *multiq_dequeue(struct Qdisc *sch)
q->curband = 0;
/* Check that target subqueue is available before
- * pulling an skb to avoid excessive requeues
+ * pulling an skb to avoid head-of-line blocking.
*/
if (!__netif_subqueue_stopped(qdisc_dev(sch), q->curband)) {
qdisc = q->queues[q->curband];
@@ -170,7 +136,7 @@ static struct sk_buff *multiq_peek(struct Qdisc *sch)
curband = 0;
/* Check that target subqueue is available before
- * pulling an skb to avoid excessive requeues
+ * pulling an skb to avoid head-of-line blocking.
*/
if (!__netif_subqueue_stopped(qdisc_dev(sch), curband)) {
qdisc = q->queues[curband];
@@ -480,7 +446,6 @@ static struct Qdisc_ops multiq_qdisc_ops __read_mostly = {
.enqueue = multiq_enqueue,
.dequeue = multiq_dequeue,
.peek = multiq_peek,
- .requeue = multiq_requeue,
.drop = multiq_drop,
.init = multiq_init,
.reset = multiq_reset,