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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2016-02-25 23:55:01 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-29 23:02:33 +0100 |
| commit | 2ccccf5fb43ff62b2b96cc58d95fc0b3596516e4 (patch) | |
| tree | d73ec90b0c0cfd1191ef35a4aa0eaea78af1f100 /net/sched/sch_qfq.c | |
| parent | net_sched: introduce qdisc_replace() helper (diff) | |
| download | linux-2ccccf5fb43ff62b2b96cc58d95fc0b3596516e4.tar.xz linux-2ccccf5fb43ff62b2b96cc58d95fc0b3596516e4.zip | |
net_sched: update hierarchical backlog too
When the bottom qdisc decides to, for example, drop some packet,
it calls qdisc_tree_decrease_qlen() to update the queue length
for all its ancestors, we need to update the backlog too to
keep the stats on root qdisc accurate.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_qfq.c')
| -rw-r--r-- | net/sched/sch_qfq.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index b5c52caf2e73..8d2d8d953432 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -220,9 +220,10 @@ static struct qfq_class *qfq_find_class(struct Qdisc *sch, u32 classid) static void qfq_purge_queue(struct qfq_class *cl) { unsigned int len = cl->qdisc->q.qlen; + unsigned int backlog = cl->qdisc->qstats.backlog; qdisc_reset(cl->qdisc); - qdisc_tree_decrease_qlen(cl->qdisc, len); + qdisc_tree_reduce_backlog(cl->qdisc, len, backlog); } static const struct nla_policy qfq_policy[TCA_QFQ_MAX + 1] = { |