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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2016-02-26 01:55:01 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-01 01:02:33 +0300 |
| commit | 2ccccf5fb43ff62b2b96cc58d95fc0b3596516e4 (patch) | |
| tree | d73ec90b0c0cfd1191ef35a4aa0eaea78af1f100 /net/sched/sch_netem.c | |
| parent | 86a7996cc8a078793670d82ed97d5a99bb4e8496 (diff) | |
| download | linux-2ccccf5fb43ff62b2b96cc58d95fc0b3596516e4.tar.xz | |
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_netem.c')
| -rw-r--r-- | net/sched/sch_netem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 0a6ddaf7f561..9640bb39a5d2 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -598,7 +598,8 @@ deliver: if (unlikely(err != NET_XMIT_SUCCESS)) { if (net_xmit_drop_count(err)) { qdisc_qstats_drop(sch); - qdisc_tree_decrease_qlen(sch, 1); + qdisc_tree_reduce_backlog(sch, 1, + qdisc_pkt_len(skb)); } } goto tfifo_dequeue; |