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net sched actions police: peg drop stats for conforming traffic

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setting conforming action to drop is a valid policy.
When it is set we need to at least see the stats indicating it
for debugging.

Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roman Mashak 2016-09-18 07:53:08 -04:00 committed by David S. Miller
parent 408fbc22ef
commit f71b109f17
1 changed files with 2 additions and 0 deletions
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net/sched/act_police.c
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@ -249,6 +249,8 @@ static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,
police->tcfp_t_c = now;
police->tcfp_toks = toks;
police->tcfp_ptoks = ptoks;
if (police->tcfp_result == TC_ACT_SHOT)
police->tcf_qstats.drops++;
spin_unlock(&police->tcf_lock);
return police->tcfp_result;
}