From f30ab418a1d3c5a8b83493e7d70d6876a74aa0ce Mon Sep 17 00:00:00 2001 From: Jarek Poplawski Date: Thu, 13 Nov 2008 22:56:30 -0800 Subject: 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 Signed-off-by: David S. Miller --- net/sched/sch_htb.c | 44 +------------------------------------------- 1 file changed, 1 insertion(+), 43 deletions(-) (limited to 'net/sched/sch_htb.c') diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 3fda8199713d..83f5e69243c1 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -551,7 +551,7 @@ static inline void htb_deactivate(struct htb_sched *q, struct htb_class *cl) static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch) { - int ret; + int uninitialized_var(ret); struct htb_sched *q = qdisc_priv(sch); struct htb_class *cl = htb_classify(skb, sch, &ret); @@ -591,47 +591,6 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch) return NET_XMIT_SUCCESS; } -/* TODO: requeuing packet charges it to policers again !! */ -static int htb_requeue(struct sk_buff *skb, struct Qdisc *sch) -{ - int ret; - struct htb_sched *q = qdisc_priv(sch); - struct htb_class *cl = htb_classify(skb, sch, &ret); - struct sk_buff *tskb; - - if (cl == HTB_DIRECT) { - /* enqueue to helper queue */ - if (q->direct_queue.qlen < q->direct_qlen) { - __skb_queue_head(&q->direct_queue, skb); - } else { - __skb_queue_head(&q->direct_queue, skb); - tskb = __skb_dequeue_tail(&q->direct_queue); - kfree_skb(tskb); - sch->qstats.drops++; - return NET_XMIT_CN; - } -#ifdef CONFIG_NET_CLS_ACT - } else if (!cl) { - if (ret & __NET_XMIT_BYPASS) - sch->qstats.drops++; - kfree_skb(skb); - return ret; -#endif - } else if ((ret = cl->un.leaf.q->ops->requeue(skb, cl->un.leaf.q)) != - NET_XMIT_SUCCESS) { - if (net_xmit_drop_count(ret)) { - sch->qstats.drops++; - cl->qstats.drops++; - } - return ret; - } else - htb_activate(q, cl); - - sch->q.qlen++; - sch->qstats.requeues++; - return NET_XMIT_SUCCESS; -} - /** * htb_charge_class - charges amount "bytes" to leaf and ancestors * @@ -1566,7 +1525,6 @@ static struct Qdisc_ops htb_qdisc_ops __read_mostly = { .enqueue = htb_enqueue, .dequeue = htb_dequeue, .peek = qdisc_peek_dequeued, - .requeue = htb_requeue, .drop = htb_drop, .init = htb_init, .reset = htb_reset, -- cgit v1.2.3