[PATCH] sch_red: report backlog information

Eric Dumazet
2011-01-03T18:11:47Z

Provide child qdisc backlog (byte count) information so that "tc -s
qdisc" can report it to user.

packet count is already correctly provided.

qdisc red 11: parent 1:11 limit 60Kb min 15Kb max 45Kb ecn
Sent 3116427684 bytes 1415782 pkt (dropped 8, overlimits 7866 requeues 0)
rate 242385Kbit 13630pps backlog 13560b 8p requeues 0
marked 7865 early 1 pdrop 7 other 0

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
net/sched/sch_red.c | 1 +
1 files changed, 1 insertion(+)

diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 8d42bb3..a67ba3c 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -239,6 +239,7 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
.Scell_log = q->parms.Scell_log,
};

+ sch->qstats.backlog = q->qdisc->qstats.backlog;
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;