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authorEric Dumazet <eric.dumazet@gmail.com>2011-12-29 03:27:44 +0400
committerDavid S. Miller <davem@davemloft.net>2011-12-30 00:07:21 +0400
commitb0460e4484f9e990caa817230204f9e3800cf955 (patch)
tree3c8d3bf4448a4b99ffa6445a949abe1bee85c34c /net/sched
parentbc94b52167596e4f9c0a020c10e2f49b04a2e48b (diff)
downloadlinux-b0460e4484f9e990caa817230204f9e3800cf955.tar.xz
sch_tbf: report backlog information
Provide child qdisc backlog (byte count) information so that "tc -s qdisc" can report it to user. qdisc netem 30: root refcnt 18 limit 1000 delay 20.0ms 10.0ms Sent 948517 bytes 898 pkt (dropped 0, overlimits 0 requeues 1) rate 175056bit 16pps backlog 114b 1p requeues 1 qdisc tbf 40: parent 30: rate 256000bit burst 20Kb/8 mpu 0b lat 0us Sent 948517 bytes 898 pkt (dropped 15, overlimits 611 requeues 0) backlog 18168b 12p requeues 0 Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/sch_tbf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 1dcfb5223a86..b8e156319d7b 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -346,6 +346,7 @@ static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)
struct nlattr *nest;
struct tc_tbf_qopt opt;
+ sch->qstats.backlog = q->qdisc->qstats.backlog;
nest = nla_nest_start(skb, TCA_OPTIONS);
if (nest == NULL)
goto nla_put_failure;