pkt_sched: Fix qstats.qlen updating in dump_stats

Some classful qdiscs miss qstats.qlen updating with q.qlen of their
child qdiscs in dump_stats methods.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 12b2fb0..5a888af 100644 (file)
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -274,8 +274,10 @@ static int drr_dump_class_stats(struct Qdisc *sch, unsigned long arg,
        struct tc_drr_stats xstats;
 
        memset(&xstats, 0, sizeof(xstats));
-       if (cl->qdisc->q.qlen)
+       if (cl->qdisc->q.qlen) {
                xstats.deficit = cl->deficit;
+               cl->qdisc->qstats.qlen = cl->qdisc->q.qlen;
+       }
 
        if (gnet_stats_copy_basic(d, &cl->bstats) < 0 ||
            gnet_stats_copy_rate_est(d, &cl->rate_est) < 0 ||

diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index 600c501..d1dea3d 100644 (file)
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -193,6 +193,7 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
        struct netdev_queue *dev_queue = mq_queue_get(sch, cl);
 
        sch = dev_queue->qdisc_sleeping;
+       sch->qstats.qlen = sch->q.qlen;
        if (gnet_stats_copy_basic(d, &sch->bstats) < 0 ||
            gnet_stats_copy_queue(d, &sch->qstats) < 0)
                return -1;

diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 069f81c..7db2c88 100644 (file)
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -359,6 +359,7 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
        struct Qdisc *cl_q;
 
        cl_q = q->queues[cl - 1];
+       cl_q->qstats.qlen = cl_q->q.qlen;
        if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 ||
            gnet_stats_copy_queue(d, &cl_q->qstats) < 0)
                return -1;

diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 0f73c41..93285ce 100644 (file)
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -322,6 +322,7 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
        struct Qdisc *cl_q;
 
        cl_q = q->queues[cl - 1];
+       cl_q->qstats.qlen = cl_q->q.qlen;
        if (gnet_stats_copy_basic(d, &cl_q->bstats) < 0 ||
            gnet_stats_copy_queue(d, &cl_q->qstats) < 0)
                return -1;