@@ -691,9 +691,11 @@ static inline struct sk_buff *qdisc_peek_dequeued(struct Qdisc *sch)
/* we can reuse ->gso_skb because peek isn't called for root qdiscs */
if (!sch->gso_skb) {
sch->gso_skb = sch->dequeue(sch);
- if (sch->gso_skb)
+ if (sch->gso_skb) {
/* it's still part of the queue */
+ qdisc_qstats_backlog_inc(sch, sch->gso_skb);
sch->q.qlen++;
+ }
}
return sch->gso_skb;
@@ -706,6 +708,7 @@ static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch)
if (skb) {
sch->gso_skb = NULL;
+ qdisc_qstats_backlog_dec(sch, skb);
sch->q.qlen--;
} else {
skb = sch->dequeue(sch);
@@ -49,6 +49,7 @@ static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q)
{
q->gso_skb = skb;
q->qstats.requeues++;
+ qdisc_qstats_backlog_inc(q, skb);
q->q.qlen++; /* it's still part of the queue */
__netif_schedule(q);
@@ -92,6 +93,7 @@ static struct sk_buff *dequeue_skb(struct Qdisc *q, bool *validate,
txq = skb_get_tx_queue(txq->dev, skb);
if (!netif_xmit_frozen_or_stopped(txq)) {
q->gso_skb = NULL;
+ qdisc_qstats_backlog_dec(q, skb);
q->q.qlen--;
} else
skb = NULL;
For gso_skb we only update qlen, backlog should be updated too. Note, it is correct to just update these stats at one layer, because the gso_skb is cached there. Reported-by: Stas Nichiporovich <stasn77@gmail.com> Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too") Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> --- include/net/sch_generic.h | 5 ++++- net/sched/sch_generic.c | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-)