we...@ucloud.cn <we...@ucloud.cn> wrote:
> From: wenxu <we...@ucloud.cn>
>
> The fragment packets do defrag in tcf_ct_handle_fragments
> will clear the skb->cb which make the qdisc_skb_cb clear
> too. So the qdsic_skb_cb should be store before defrag and
> restore after that.
> It also update the pkt_len after all the
> fragments finish the defrag to one packet and make the
> following actions counter correct.
>
> Fixes: b57dc7c13ea9 ("net/sched: Introduce action ct")
> Signed-off-by: wenxu <we...@ucloud.cn>
Looks ok to me. One question:
> @@ -1014,6 +1017,7 @@ static int tcf_ct_act(struct sk_buff *skb, const struct
> tc_action *a,
>
> out:
> tcf_action_update_bstats(&c->common, skb);
> + qdisc_skb_cb(skb)->pkt_len = skb->len;
> return retval;
This appears to be unconditional, I would have expected that
this only done for reassembled skbs?
Otherwise we will lose the value calculated by core via
qdisc_calculate_pkt_len().
