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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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net/sched/sch_fifo.c
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@@ -42,7 +42,7 @@ static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch)
/* queue full, remove one skb to fulfill the limit */
__qdisc_queue_drop_head(sch, &sch->q);
sch->qstats.drops++;
qdisc_qstats_drop(sch);
qdisc_enqueue_tail(skb, sch);
return NET_XMIT_CN;