netdev - [PATCH net-next 1/1] net sched actions police: peg drop stats for conforming traffic

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Date:   Sun, 18 Sep 2016 07:53:08 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, Roman Mashak <mrv@...atatu.com>,
        Jamal Hadi Salim <jhs@...atatu.com>
Subject: [PATCH net-next 1/1] net sched actions police: peg drop stats for conforming traffic

From: Roman Mashak <mrv@...atatu.com>

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@...atatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>
---
 net/sched/act_police.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 8a3be1d..ba7074b 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -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;
 		}
-- 
1.9.1