From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Thu, 25 Feb 2016 22:55:03 +0000 (-0800)
Subject: sch_dsmark: update backlog as well
X-Git-Tag: v4.9.8~2476^2~169^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bdf17661f63a79c3cb4209b970b1cc39e34f7543;p=platform%2Fkernel%2Flinux-rpi3.git

sch_dsmark: update backlog as well

Similarly, we need to update backlog too when we update qlen.

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>
---

diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index cfddb1c..d0dff0c 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -258,6 +258,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		return err;
 	}
 
+	qdisc_qstats_backlog_inc(sch, skb);
 	sch->q.qlen++;
 
 	return NET_XMIT_SUCCESS;
@@ -280,6 +281,7 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
 		return NULL;
 
 	qdisc_bstats_update(sch, skb);
+	qdisc_qstats_backlog_dec(sch, skb);
 	sch->q.qlen--;
 
 	index = skb->tc_index & (p->indices - 1);
@@ -395,6 +397,7 @@ static void dsmark_reset(struct Qdisc *sch)
 
 	pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
 	qdisc_reset(p->q);
+	sch->qstats.backlog = 0;
 	sch->q.qlen = 0;
 }