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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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6
net/sched/sch_htb.c
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@@ -586,13 +586,13 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch)
#ifdef CONFIG_NET_CLS_ACT
} else if (!cl) {
if (ret & __NET_XMIT_BYPASS)
sch->qstats.drops++;
qdisc_qstats_drop(sch);
kfree_skb(skb);
return ret;
#endif
} else if ((ret = qdisc_enqueue(skb, cl->un.leaf.q)) != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret)) {
sch->qstats.drops++;
qdisc_qstats_drop(sch);
cl->qstats.drops++;
}
return ret;
@@ -925,7 +925,7 @@ ok:
goto ok;
}
}
sch->qstats.overlimits++;
qdisc_qstats_overlimit(sch);
if (likely(next_event > q->now)) {
if (!test_bit(__QDISC_STATE_DEACTIVATED,
&qdisc_root_sleeping(q->watchdog.qdisc)->state)) {