From: WANG Cong <[email protected]>
commit 8d5958f424b62060a8696b12c17dad198d5d386f upstream.
Fixes: 2ccccf5fb43f ("net_sched: update hierarchical backlog too")
Cc: Jamal Hadi Salim <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/sched/sch_tbf.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -197,6 +197,7 @@ static int tbf_enqueue(struct sk_buff *s
return ret;
}
+ qdisc_qstats_backlog_inc(sch, skb);
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
@@ -207,6 +208,7 @@ static unsigned int tbf_drop(struct Qdis
unsigned int len = 0;
if (q->qdisc->ops->drop && (len = q->qdisc->ops->drop(q->qdisc)) != 0) {
+ sch->qstats.backlog -= len;
sch->q.qlen--;
qdisc_qstats_drop(sch);
}
@@ -253,6 +255,7 @@ static struct sk_buff *tbf_dequeue(struc
q->t_c = now;
q->tokens = toks;
q->ptokens = ptoks;
+ qdisc_qstats_backlog_dec(sch, skb);
sch->q.qlen--;
qdisc_unthrottled(sch);
qdisc_bstats_update(sch, skb);
@@ -284,6 +287,7 @@ static void tbf_reset(struct Qdisc *sch)
struct tbf_sched_data *q = qdisc_priv(sch);
qdisc_reset(q->qdisc);
+ sch->qstats.backlog = 0;
sch->q.qlen = 0;
q->t_c = ktime_get_ns();
q->tokens = q->buffer;
