From: WANG Cong <[email protected]>
commit 6a73b571b63075ef408c83f07c2565b5652f93cc 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_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;
}
