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net/sched: act_ct: Fix byte count on fragmented packets

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First fragmented packets (frag offset = 0) byte len is zeroed
when stolen by ip_defrag(). And since act_ct update the stats
only afterwards (at end of execute), bytes aren't correctly
accounted for such packets.

To fix this, move stats update to start of action execute.

Fixes: b57dc7c13e ("net/sched: Introduce action ct")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Blakey 2021-10-17 14:58:51 +03:00 committed by David S. Miller
parent 342afce10d
commit 2dc4e9e88c
1 changed files with 1 additions and 1 deletions
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net/sched/act_ct.c
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@ -960,6 +960,7 @@ static int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a,
tmpl = p->tmpl;
tcf_lastuse_update(&c->tcf_tm);
tcf_action_update_bstats(&c->common, skb);
if (clear) {
qdisc_skb_cb(skb)->post_ct = false;
@ -1049,7 +1050,6 @@ out_push:
qdisc_skb_cb(skb)->post_ct = true;
out_clear:
tcf_action_update_bstats(&c->common, skb);
if (defrag)
qdisc_skb_cb(skb)->pkt_len = skb->len;
return retval;