Re: [PATCH] net_sched/hhf: update hierarchical backlog when drop packet

[Cong Wang]

On Mon, Aug 21, 2017 at 9:56 AM, Konstantin Khlebnikov
<khlebni...@yandex-team.ru> wrote:
> Current packet wouldn't be counted by parent either. So queue length isn't
> changed.
>

But the qdisc_tree_reduce_backlog() right below uses 1 too:


        /* As we dropped a packet, better let upper stack know this. */
        qdisc_tree_reduce_backlog(sch, 1, prev_backlog - sch->qstats.backlog);
        return NET_XMIT_SUCCESS;