From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit bdf17661f63a79c3cb4209b970b1cc39e34f7543 ]
Similarly, we need to update backlog too when we update qlen.
[js] backport to 3.12: no qdisc_qstats_backlog_dec/inc yet, update
directly
Cc: Jamal Hadi Salim <jhs@xxxxxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
net/sched/sch_dsmark.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 71b641c1146c..e8f58be0e35a 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -254,6 +254,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
return err;
}
+ sch->qstats.backlog += qdisc_pkt_len(skb);
sch->q.qlen++;
return NET_XMIT_SUCCESS;
@@ -276,6 +277,7 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
return NULL;
qdisc_bstats_update(sch, skb);
+ sch->qstats.backlog -= qdisc_pkt_len(skb);
sch->q.qlen--;
index = skb->tc_index & (p->indices - 1);
@@ -391,6 +393,7 @@ static void dsmark_reset(struct Qdisc *sch)
pr_debug("dsmark_reset(sch %p,[qdisc %p])\n", sch, p);
qdisc_reset(p->q);
+ sch->qstats.backlog = 0;
sch->q.qlen = 0;
}
--
2.8.2
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