*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/system.h>
return;
}
}
-
- cl = cl_prev->next_alive;
return;
}
} while ((cl_prev = cl) != q->active[prio]);
do {
if (cl->q->ops->drop && (len = cl->q->ops->drop(cl->q))) {
sch->q.qlen--;
+ if (!cl->q->q.qlen)
+ cbq_deactivate_class(cl);
return len;
}
} while ((cl = cl->next_alive) != cl_head);
q->link.sibling = &q->link;
q->link.classid = sch->handle;
q->link.qdisc = sch;
- if (!(q->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)))
+ if (!(q->link.q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ sch->handle)))
q->link.q = &noop_qdisc;
q->link.priority = TC_CBQ_MAXPRIO-1;
if (cl) {
if (new == NULL) {
- if ((new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)) == NULL)
+ if ((new = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops,
+ cl->classid)) == NULL)
return -ENOBUFS;
} else {
#ifdef CONFIG_NET_CLS_POLICE
#endif
}
sch_tree_lock(sch);
- *old = cl->q;
- cl->q = new;
- sch->q.qlen -= (*old)->q.qlen;
+ *old = xchg(&cl->q, new);
+ qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
qdisc_reset(*old);
sch_tree_unlock(sch);
return cl ? cl->q : NULL;
}
+static void cbq_qlen_notify(struct Qdisc *sch, unsigned long arg)
+{
+ struct cbq_class *cl = (struct cbq_class *)arg;
+
+ if (cl->q->q.qlen == 0)
+ cbq_deactivate_class(cl);
+}
+
static unsigned long cbq_get(struct Qdisc *sch, u32 classid)
{
struct cbq_sched_data *q = qdisc_priv(sch);
}
err = -ENOBUFS;
- cl = kmalloc(sizeof(*cl), GFP_KERNEL);
+ cl = kzalloc(sizeof(*cl), GFP_KERNEL);
if (cl == NULL)
goto failure;
- memset(cl, 0, sizeof(*cl));
cl->R_tab = rtab;
rtab = NULL;
cl->refcnt = 1;
- if (!(cl->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops)))
+ if (!(cl->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, classid)))
cl->q = &noop_qdisc;
cl->classid = classid;
cl->tparent = parent;
{
struct cbq_sched_data *q = qdisc_priv(sch);
struct cbq_class *cl = (struct cbq_class*)arg;
+ unsigned int qlen;
if (cl->filters || cl->children || cl == &q->link)
return -EBUSY;
sch_tree_lock(sch);
+ qlen = cl->q->q.qlen;
+ qdisc_reset(cl->q);
+ qdisc_tree_decrease_qlen(cl->q, qlen);
+
if (cl->next_alive)
cbq_deactivate_class(cl);
static struct Qdisc_class_ops cbq_class_ops = {
.graft = cbq_graft,
.leaf = cbq_leaf,
+ .qlen_notify = cbq_qlen_notify,
.get = cbq_get,
.put = cbq_put,
.change = cbq_change_class,