diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /net/sched/sch_atm.c | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'net/sched/sch_atm.c')
| -rw-r--r-- | net/sched/sch_atm.c | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 43d37256c15..2a8b83af7c4 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -62,7 +62,7 @@ struct atm_qdisc_data { struct atm_flow_data link; /* unclassified skbs go here */ struct atm_flow_data *flows; /* NB: "link" is also on this list */ - struct tasklet_struct task; /* requeue tasklet */ + struct tasklet_struct task; /* dequeue tasklet */ }; /* ------------------------- Class/flow operations ------------------------- */ @@ -102,7 +102,8 @@ static int atm_tc_graft(struct Qdisc *sch, unsigned long arg, return -EINVAL; if (!new) new = &noop_qdisc; - *old = xchg(&flow->q, new); + *old = flow->q; + flow->q = new; if (*old) qdisc_reset(*old); return 0; @@ -480,11 +481,14 @@ static void sch_atm_dequeue(unsigned long data) * If traffic is properly shaped, this won't generate nasty * little bursts. Otherwise, it may ... (but that's okay) */ - while ((skb = flow->q->dequeue(flow->q))) { - if (!atm_may_send(flow->vcc, skb->truesize)) { - (void)flow->q->ops->requeue(skb, flow->q); + while ((skb = flow->q->ops->peek(flow->q))) { + if (!atm_may_send(flow->vcc, skb->truesize)) break; - } + + skb = qdisc_dequeue_peeked(flow->q); + if (unlikely(!skb)) + break; + pr_debug("atm_tc_dequeue: sending on class %p\n", flow); /* remove any LL header somebody else has attached */ skb_pull(skb, skb_network_offset(skb)); @@ -516,27 +520,19 @@ static struct sk_buff *atm_tc_dequeue(struct Qdisc *sch) pr_debug("atm_tc_dequeue(sch %p,[qdisc %p])\n", sch, p); tasklet_schedule(&p->task); - skb = p->link.q->dequeue(p->link.q); + skb = qdisc_dequeue_peeked(p->link.q); if (skb) sch->q.qlen--; return skb; } -static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch) +static struct sk_buff *atm_tc_peek(struct Qdisc *sch) { struct atm_qdisc_data *p = qdisc_priv(sch); - int ret; - pr_debug("atm_tc_requeue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p); - ret = p->link.q->ops->requeue(skb, p->link.q); - if (!ret) { - sch->q.qlen++; - sch->qstats.requeues++; - } else if (net_xmit_drop_count(ret)) { - sch->qstats.drops++; - p->link.qstats.drops++; - } - return ret; + pr_debug("atm_tc_peek(sch %p,[qdisc %p])\n", sch, p); + + return p->link.q->ops->peek(p->link.q); } static unsigned int atm_tc_drop(struct Qdisc *sch) @@ -694,7 +690,7 @@ static struct Qdisc_ops atm_qdisc_ops __read_mostly = { .priv_size = sizeof(struct atm_qdisc_data), .enqueue = atm_tc_enqueue, .dequeue = atm_tc_dequeue, - .requeue = atm_tc_requeue, + .peek = atm_tc_peek, .drop = atm_tc_drop, .init = atm_tc_init, .reset = atm_tc_reset, |