pkt_sched: Update drops stats in act_police

Action police statistics could be misleading because drops are not
shown when expected.

With feedback from: Jamal Hadi Salim <hadi@cyberus.ca>

Reported-by: Pawel Staszewski <pstaszewski@itcare.pl>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index f8f047b..723964c 100644 (file)
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -294,6 +294,8 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
        if (police->tcfp_ewma_rate &&
            police->tcf_rate_est.bps >= police->tcfp_ewma_rate) {
                police->tcf_qstats.overlimits++;
+               if (police->tcf_action == TC_ACT_SHOT)
+                       police->tcf_qstats.drops++;
                spin_unlock(&police->tcf_lock);
                return police->tcf_action;
        }
@@ -327,6 +329,8 @@ static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
        }
 
        police->tcf_qstats.overlimits++;
+       if (police->tcf_action == TC_ACT_SHOT)
+               police->tcf_qstats.drops++;
        spin_unlock(&police->tcf_lock);
        return police->tcf_action;
 }