Implement .stats_update() callback.  The implementation
is generic and can be reused by other simple actions if
needed.

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

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,
-- 
1.9.1

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