diff options
| -rw-r--r-- | net/sched/sch_fifo.c | 102 |
1 files changed, 14 insertions, 88 deletions
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c index 4888305c96da..83a4db4d3cdc 100644 --- a/net/sched/sch_fifo.c +++ b/net/sched/sch_fifo.c @@ -47,61 +47,10 @@ bfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) { struct fifo_sched_data *q = qdisc_priv(sch); - 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 0; - } - sch->qstats.drops++; -#ifdef CONFIG_NET_CLS_POLICE - if (sch->reshape_fail==NULL || sch->reshape_fail(skb, sch)) -#endif - kfree_skb(skb); - return NET_XMIT_DROP; -} - -static int -bfifo_requeue(struct sk_buff *skb, struct Qdisc* sch) -{ - __skb_queue_head(&sch->q, skb); - sch->qstats.backlog += skb->len; - sch->qstats.requeues++; - return 0; -} - -static struct sk_buff * -bfifo_dequeue(struct Qdisc* sch) -{ - struct sk_buff *skb; - - skb = __skb_dequeue(&sch->q); - if (skb) - sch->qstats.backlog -= skb->len; - return skb; -} - -static unsigned int -fifo_drop(struct Qdisc* sch) -{ - struct sk_buff *skb; - - skb = __skb_dequeue_tail(&sch->q); - if (skb) { - unsigned int len = skb->len; - sch->qstats.backlog -= len; - kfree_skb(skb); - return len; - } - return 0; -} + if (likely(sch->qstats.backlog + skb->len <= q->limit)) + return qdisc_enqueue_tail(skb, sch); -static void -fifo_reset(struct Qdisc* sch) -{ - skb_queue_purge(&sch->q); - sch->qstats.backlog = 0; + return qdisc_reshape_fail(skb, sch); } static int @@ -109,33 +58,10 @@ pfifo_enqueue(struct sk_buff *skb, struct Qdisc* sch) { struct fifo_sched_data *q = qdisc_priv(sch); - if (sch->q.qlen < q->limit) { - __skb_queue_tail(&sch->q, skb); - sch->bstats.bytes += skb->len; - sch->bstats.packets++; - return 0; - } - sch->qstats.drops++; -#ifdef CONFIG_NET_CLS_POLICE - if (sch->reshape_fail==NULL || sch->reshape_fail(skb, sch)) -#endif - kfree_skb(skb); - return NET_XMIT_DROP; -} + if (likely(skb_queue_len(&sch->q) < q->limit)) + return qdisc_enqueue_tail(skb, sch); -static int -pfifo_requeue(struct sk_buff *skb, struct Qdisc* sch) -{ - __skb_queue_head(&sch->q, skb); - sch->qstats.requeues++; - return 0; -} - - -static struct sk_buff * -pfifo_dequeue(struct Qdisc* sch) -{ - return __skb_dequeue(&sch->q); + return qdisc_reshape_fail(skb, sch); } static int fifo_init(struct Qdisc *sch, struct rtattr *opt) @@ -180,11 +106,11 @@ struct Qdisc_ops pfifo_qdisc_ops = { .id = "pfifo", .priv_size = sizeof(struct fifo_sched_data), .enqueue = pfifo_enqueue, - .dequeue = pfifo_dequeue, - .requeue = pfifo_requeue, - .drop = fifo_drop, + .dequeue = qdisc_dequeue_head, + .requeue = qdisc_requeue, + .drop = qdisc_queue_drop, .init = fifo_init, - .reset = fifo_reset, + .reset = qdisc_reset_queue, .destroy = NULL, .change = fifo_init, .dump = fifo_dump, @@ -197,11 +123,11 @@ struct Qdisc_ops bfifo_qdisc_ops = { .id = "bfifo", .priv_size = sizeof(struct fifo_sched_data), .enqueue = bfifo_enqueue, - .dequeue = bfifo_dequeue, - .requeue = bfifo_requeue, - .drop = fifo_drop, + .dequeue = qdisc_dequeue_head, + .requeue = qdisc_requeue, + .drop = qdisc_queue_drop, .init = fifo_init, - .reset = fifo_reset, + .reset = qdisc_reset_queue, .destroy = NULL, .change = fifo_init, .dump = fifo_dump, |
