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[PKT_SCHED]: RED: Use generic queue management interface 

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Thomas Graf 2005-11-05 21:14:06 +01:00 committed by Thomas Graf
parent 6b31b28a44
commit 9e178ff27c
1 changed files with 13 additions and 29 deletions
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42
net/sched/sch_red.c
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@ -105,22 +105,14 @@ red_enqueue(struct sk_buff *skb, struct Qdisc* sch)
break;
}
if (sch->qstats.backlog + skb->len <= q->limit) {
__skb_queue_tail(&sch->q, skb);
sch->qstats.backlog += skb->len;
sch->bstats.bytes += skb->len;
sch->bstats.packets++;
return NET_XMIT_SUCCESS;
}
if (sch->qstats.backlog + skb->len <= q->limit)
return qdisc_enqueue_tail(skb, sch);
q->stats.pdrop++;
kfree_skb(skb);
sch->qstats.drops++;
return NET_XMIT_DROP;
return qdisc_drop(skb, sch);
congestion_drop:
kfree_skb(skb);
sch->qstats.drops++;
qdisc_drop(skb, sch);
return NET_XMIT_CN;
}
@ -132,10 +124,7 @@ red_requeue(struct sk_buff *skb, struct Qdisc* sch)
if (red_is_idling(&q->parms))
red_end_of_idle_period(&q->parms);
__skb_queue_head(&sch->q, skb);
sch->qstats.backlog += skb->len;
sch->qstats.requeues++;
return 0;
return qdisc_requeue(skb, sch);
}
static struct sk_buff *
@ -144,14 +133,12 @@ red_dequeue(struct Qdisc* sch)
struct sk_buff *skb;
struct red_sched_data *q = qdisc_priv(sch);
skb = __skb_dequeue(&sch->q);
if (skb) {
sch->qstats.backlog -= skb->len;
return skb;
}
skb = qdisc_dequeue_head(sch);
red_start_of_idle_period(&q->parms);
return NULL;
if (skb == NULL)
red_start_of_idle_period(&q->parms);
return skb;
}
static unsigned int red_drop(struct Qdisc* sch)
@ -159,13 +146,11 @@ static unsigned int red_drop(struct Qdisc* sch)
struct sk_buff *skb;
struct red_sched_data *q = qdisc_priv(sch);
skb = __skb_dequeue_tail(&sch->q);
skb = qdisc_dequeue_tail(sch);
if (skb) {
unsigned int len = skb->len;
sch->qstats.backlog -= len;
sch->qstats.drops++;
q->stats.other++;
kfree_skb(skb);
qdisc_drop(skb, sch);
return len;
}
@ -177,8 +162,7 @@ static void red_reset(struct Qdisc* sch)
{
struct red_sched_data *q = qdisc_priv(sch);
__skb_queue_purge(&sch->q);
sch->qstats.backlog = 0;
qdisc_reset_queue(sch);
red_restart(&q->parms);
}