From: WANG Cong xiyou.wangcong@gmail.com
commit 6a73b571b63075ef408c83f07c2565b5652f93cc upstream.
Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too") Cc: Jamal Hadi Salim jhs@mojatatu.com Signed-off-by: Cong Wang xiyou.wangcong@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/sched/sch_drr.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -375,6 +375,7 @@ static int drr_enqueue(struct sk_buff *s cl->deficit = cl->quantum; }
+ qdisc_qstats_backlog_inc(sch, skb); sch->q.qlen++; return err; } @@ -405,6 +406,7 @@ static struct sk_buff *drr_dequeue(struc
bstats_update(&cl->bstats, skb); qdisc_bstats_update(sch, skb); + qdisc_qstats_backlog_dec(sch, skb); sch->q.qlen--; return skb; } @@ -426,6 +428,7 @@ static unsigned int drr_drop(struct Qdis if (cl->qdisc->ops->drop) { len = cl->qdisc->ops->drop(cl->qdisc); if (len > 0) { + sch->qstats.backlog -= len; sch->q.qlen--; if (cl->qdisc->q.qlen == 0) list_del(&cl->alist); @@ -461,6 +464,7 @@ static void drr_reset_qdisc(struct Qdisc qdisc_reset(cl->qdisc); } } + sch->qstats.backlog = 0; sch->q.qlen = 0; }