Re: [PATCH] net_sched/hhf: update hierarchical backlog when drop packet
From: Cong Wang <hidden>
Date: 2017-08-21 17:03:29
On Mon, Aug 21, 2017 at 9:56 AM, Konstantin Khlebnikov [off-list ref] 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;