netdev - [PATCH net-next 1/3] sched: act_skbedit: Implement stats

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Message-Id: <acfca1d05e4fc40069167f38085971d9cf6753c8.1585255467.git.petrm@mellanox.com>
Date:   Thu, 26 Mar 2020 22:45:55 +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 1/3] sched: act_skbedit: 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_skbedit.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index e857424c387c..b125b2be4467 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -73,6 +73,16 @@ static int tcf_skbedit_act(struct sk_buff *skb, const struct tc_action *a,
 	return TC_ACT_SHOT;
 }
 
+static void tcf_skbedit_stats_update(struct tc_action *a, u64 bytes,
+				     u32 packets, u64 lastuse, bool hw)
+{
+	struct tcf_skbedit *d = to_skbedit(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 const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = {
 	[TCA_SKBEDIT_PARMS]		= { .len = sizeof(struct tc_skbedit) },
 	[TCA_SKBEDIT_PRIORITY]		= { .len = sizeof(u32) },
@@ -323,6 +333,7 @@ static struct tc_action_ops act_skbedit_ops = {
 	.id		=	TCA_ID_SKBEDIT,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_skbedit_act,
+	.stats_update	=	tcf_skbedit_stats_update,
 	.dump		=	tcf_skbedit_dump,
 	.init		=	tcf_skbedit_init,
 	.cleanup	=	tcf_skbedit_cleanup,
-- 
2.20.1