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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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8
net/sched/sch_tbf.c
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@@ -175,7 +175,7 @@ static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch)
ret = qdisc_enqueue(segs, q->qdisc);
if (ret != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret))
sch->qstats.drops++;
qdisc_qstats_drop(sch);
} else {
nb++;
}
@@ -201,7 +201,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch)
ret = qdisc_enqueue(skb, q->qdisc);
if (ret != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret))
sch->qstats.drops++;
qdisc_qstats_drop(sch);
return ret;
}
@@ -216,7 +216,7 @@ static unsigned int tbf_drop(struct Qdisc *sch)
if (q->qdisc->ops->drop && (len = q->qdisc->ops->drop(q->qdisc)) != 0) {
sch->q.qlen--;
sch->qstats.drops++;
qdisc_qstats_drop(sch);
}
return len;
}
@@ -281,7 +281,7 @@ static struct sk_buff *tbf_dequeue(struct Qdisc *sch)
(cf. CSZ, HPFQ, HFSC)
*/
sch->qstats.overlimits++;
qdisc_qstats_overlimit(sch);
}
return NULL;
}