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[PKT_SCHED]: Transform pfifo_fast to use generic queue management interface 

Gives pfifo_fast a byte based backlog.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2005-06-18 22:58:15 -07:00 committed by David S. Miller
parent 6fc8e84f4c
commit 821d24ae74
1 changed files with 9 additions and 14 deletions
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23
net/sched/sch_generic.c
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@ -318,16 +318,12 @@ pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
list += prio2band[skb->priority&TC_PRIO_MAX];
if (list->qlen < qdisc->dev->tx_queue_len) {
__skb_queue_tail(list, skb);
if (skb_queue_len(list) < qdisc->dev->tx_queue_len) {
qdisc->q.qlen++;
qdisc->bstats.bytes += skb->len;
qdisc->bstats.packets++;
return 0;
return __qdisc_enqueue_tail(skb, qdisc, list);
}
qdisc->qstats.drops++;
kfree_skb(skb);
return NET_XMIT_DROP;
return qdisc_drop(skb, qdisc);
}
static struct sk_buff *
@ -335,10 +331,9 @@ pfifo_fast_dequeue(struct Qdisc* qdisc)
{
int prio;
struct sk_buff_head *list = qdisc_priv(qdisc);
struct sk_buff *skb;
for (prio = 0; prio < 3; prio++, list++) {
skb = __skb_dequeue(list);
struct sk_buff *skb = __qdisc_dequeue_head(qdisc, list);
if (skb) {
qdisc->q.qlen--;
return skb;
@ -354,10 +349,8 @@ pfifo_fast_requeue(struct sk_buff *skb, struct Qdisc* qdisc)
list += prio2band[skb->priority&TC_PRIO_MAX];
__skb_queue_head(list, skb);
qdisc->q.qlen++;
qdisc->qstats.requeues++;
return 0;
return __qdisc_requeue(skb, qdisc, list);
}
static void
@ -367,7 +360,9 @@ pfifo_fast_reset(struct Qdisc* qdisc)
struct sk_buff_head *list = qdisc_priv(qdisc);
for (prio=0; prio < 3; prio++)
skb_queue_purge(list+prio);
__qdisc_reset_queue(qdisc, list + prio);
qdisc->qstats.backlog = 0;
qdisc->q.qlen = 0;
}