On Tue, Jul 21, 2015 at 1:57 PM, Eric Dumazet <eric.duma...@gmail.com> wrote:
> On Tue, 2015-07-21 at 11:12 -0700, Cong Wang wrote:
>
>> > - kfree_skb(skb);
>> > + INIT_LIST_HEAD(&q->new_flows);
>> > + INIT_LIST_HEAD(&q->old_flows);
>> > + for (i = 0; i < q->flows_cnt; i++) {
>> > + struct fq_codel_flow *flow = q->flows + i;
>> > +
>> > + while (flow->head)
>> > + kfree_skb(dequeue_head(flow));
>> > +
>> > + INIT_LIST_HEAD(&flow->flowchain);
>>
>>
>> You probably need to call codel_vars_init(&flow->cvars) as well.
>
> It is not necessary : flow->cvars only matter in the event of a dequeue,
> but whole qdisc is dismantled and no packet will be dequeued.
>
But it will affect the next dequeue _after_ reset? which is not supposed
to happen as we expect a fresh start after reset?
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