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sch_red: report backlog information

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-01-03 08:11:38 +00:00 • committed by David S. Miller
parent 7f891cf1fc
commit 0dfb33a0d7
1 changed files with 1 additions and 0 deletions
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1
net/sched/sch_red.c
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@ -239,6 +239,7 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
.Scell_log = q->parms.Scell_log, .Scell_log = q->parms.Scell_log,
}; };
sch->qstats.backlog = q->qdisc->qstats.backlog;
opts = nla_nest_start(skb, TCA_OPTIONS); opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL) if (opts == NULL)
goto nla_put_failure; goto nla_put_failure;