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Diffstat (limited to 'net/sched/sch_red.c')
-rw-r--r--net/sched/sch_red.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index d65cadd..acddad0 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -175,12 +175,14 @@ static void red_destroy(struct Qdisc *sch)
qdisc_destroy(q->qdisc);
}
-static struct Qdisc *red_create_dflt(struct net_device *dev, u32 limit)
+static struct Qdisc *red_create_dflt(struct Qdisc *sch, u32 limit)
{
- struct Qdisc *q = qdisc_create_dflt(dev, &bfifo_qdisc_ops);
+ struct Qdisc *q;
struct rtattr *rta;
int ret;
+ q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
+ TC_H_MAKE(sch->handle, 1));
if (q) {
rta = kmalloc(RTA_LENGTH(sizeof(struct tc_fifo_qopt)),
GFP_KERNEL);
@@ -219,7 +221,7 @@ static int red_change(struct Qdisc *sch, struct rtattr *opt)
ctl = RTA_DATA(tb[TCA_RED_PARMS-1]);
if (ctl->limit > 0) {
- child = red_create_dflt(sch->dev, ctl->limit);
+ child = red_create_dflt(sch, ctl->limit);
if (child == NULL)
return -ENOMEM;
}
@@ -227,8 +229,10 @@ static int red_change(struct Qdisc *sch, struct rtattr *opt)
sch_tree_lock(sch);
q->flags = ctl->flags;
q->limit = ctl->limit;
- if (child)
+ if (child) {
+ qdisc_tree_decrease_qlen(q->qdisc, q->qdisc->q.qlen);
qdisc_destroy(xchg(&q->qdisc, child));
+ }
red_set_parms(&q->parms, ctl->qth_min, ctl->qth_max, ctl->Wlog,
ctl->Plog, ctl->Scell_log,
@@ -306,8 +310,8 @@ static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
sch_tree_lock(sch);
*old = xchg(&q->qdisc, new);
+ qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
qdisc_reset(*old);
- sch->q.qlen = 0;
sch_tree_unlock(sch);
return 0;
}
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