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net: sched: implement qstat helper routines

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This adds helpers to manipulate qstats logic and replaces locations
that touch the counters directly. This simplifies future patches
to push qstats onto per cpu counters.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Fastabend
2014-09-28 11:53:29 -07:00
committed by David S. Miller
parent 22e0f8b932
commit 25331d6ce4
25 changed files with 108 additions and 81 deletions
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10
net/sched/sch_cbq.c
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@@ -377,7 +377,7 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
#endif
if (cl == NULL) {
if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
qdisc_qstats_drop(sch);
kfree_skb(skb);
return ret;
}
@@ -395,7 +395,7 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
}
if (net_xmit_drop_count(ret)) {
sch->qstats.drops++;
qdisc_qstats_drop(sch);
cbq_mark_toplevel(q, cl);
cl->qstats.drops++;
}
@@ -650,11 +650,11 @@ static int cbq_reshape_fail(struct sk_buff *skb, struct Qdisc *child)
return 0;
}
if (net_xmit_drop_count(ret))
sch->qstats.drops++;
qdisc_qstats_drop(sch);
return 0;
}
sch->qstats.drops++;
qdisc_qstats_drop(sch);
return -1;
}
#endif
@@ -995,7 +995,7 @@ cbq_dequeue(struct Qdisc *sch)
*/
if (sch->q.qlen) {
sch->qstats.overlimits++;
qdisc_qstats_overlimit(sch);
if (q->wd_expires)
qdisc_watchdog_schedule(&q->watchdog,
now + q->wd_expires);