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[PATCHv4,net-next,13/15] net: act_mirred: allow statistic updates from offloaded actions

Message ID 1473966755-30106-14-git-send-email-jakub.kicinski@netronome.com
State Superseded, archived
Delegated to: David Miller
Headers show

Commit Message

Jakub Kicinski Sept. 15, 2016, 7:12 p.m. UTC 
Implement .stats_update() callback.  The implementation
is generic and can be reused by other simple actions if
needed.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
---
 net/sched/act_mirred.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 6038c85d92f5..f9862d89cb93 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -204,6 +204,13 @@  static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
 	return retval;
 }
 
+static void tcf_stats_update(struct tc_action *a, u64 bytes, u32 packets,
+			     u64 lastuse)
+{
+	tcf_lastuse_update(&a->tcfa_tm);
+	_bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets);
+}
+
 static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 {
 	unsigned char *b = skb_tail_pointer(skb);
@@ -280,6 +287,7 @@  static struct tc_action_ops act_mirred_ops = {
 	.type		=	TCA_ACT_MIRRED,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_mirred,
+	.stats_update	=	tcf_stats_update,
 	.dump		=	tcf_mirred_dump,
 	.cleanup	=	tcf_mirred_release,
 	.init		=	tcf_mirred_init,