netdev - [PATCH net-next 2/3] sched: act_pedit: Implement stats

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Message-Id: <f77ddd0b2fefb282b178a56fd6f608f01cae63ea.1585255467.git.petrm@mellanox.com>
Date:   Thu, 26 Mar 2020 22:45:56 +0200
From:   Petr Machata <petrm@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     David Miller <davem@...emloft.net>,
        Petr Machata <petrm@...lanox.com>, idosch@...lanox.com,
        jiri@...lanox.com, alexpe@...lanox.com
Subject: [PATCH net-next 2/3] sched: act_pedit: Implement stats_update callback

Implement this callback in order to get the offloaded stats added to the
kernel stats.

Reported-by: Alexander Petrovskiy <alexpe@...lanox.com>
Signed-off-by: Petr Machata <petrm@...lanox.com>
---
 net/sched/act_pedit.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 3ad718576304..d41d6200d9de 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -409,6 +409,16 @@ static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a,
 	return p->tcf_action;
 }
 
+static void tcf_pedit_stats_update(struct tc_action *a, u64 bytes, u32 packets,
+				   u64 lastuse, bool hw)
+{
+	struct tcf_pedit *d = to_pedit(a);
+	struct tcf_t *tm = &d->tcf_tm;
+
+	tcf_action_update_stats(a, bytes, packets, false, hw);
+	tm->lastuse = max_t(u64, tm->lastuse, lastuse);
+}
+
 static int tcf_pedit_dump(struct sk_buff *skb, struct tc_action *a,
 			  int bind, int ref)
 {
@@ -485,6 +495,7 @@ static struct tc_action_ops act_pedit_ops = {
 	.id		=	TCA_ID_PEDIT,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_pedit_act,
+	.stats_update	=	tcf_pedit_stats_update,
 	.dump		=	tcf_pedit_dump,
 	.cleanup	=	tcf_pedit_cleanup,
 	.init		=	tcf_pedit_init,
-- 
2.20.1