81 	int (*enqueue)(struct sk_buff *skb, struct Qdisc *sch,
83 	struct sk_buff *(*dequeue)(struct Qdisc *sch);
87 static int cbs_child_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in cbs_child_enqueue()  argument
97 	qdisc_qstats_backlog_inc(sch, skb);  in cbs_child_enqueue()
98 	sch->q.qlen++;  in cbs_child_enqueue()
103 static int cbs_enqueue_offload(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue_offload()  argument
106 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue_offload()
109 	return cbs_child_enqueue(skb, sch, qdisc, to_free);  in cbs_enqueue_offload()
112 static int cbs_enqueue_soft(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue_soft()  argument
115 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue_soft()
118 	if (sch->q.qlen == 0 && q->credits > 0) {  in cbs_enqueue_soft()
126 	return cbs_child_enqueue(skb, sch, qdisc, to_free);  in cbs_enqueue_soft()
129 static int cbs_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue()  argument
132 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue()
134 	return q->enqueue(skb, sch, to_free);  in cbs_enqueue()
159 static struct sk_buff *cbs_child_dequeue(struct Qdisc *sch, struct Qdisc *child)  in cbs_child_dequeue()  argument
167 	qdisc_qstats_backlog_dec(sch, skb);  in cbs_child_dequeue()
168 	qdisc_bstats_update(sch, skb);  in cbs_child_dequeue()
169 	sch->q.qlen--;  in cbs_child_dequeue()
174 static struct sk_buff *cbs_dequeue_soft(struct Qdisc *sch)  in cbs_dequeue_soft()  argument
176 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue_soft()
200 	skb = cbs_child_dequeue(sch, qdisc);  in cbs_dequeue_soft()
218 static struct sk_buff *cbs_dequeue_offload(struct Qdisc *sch)  in cbs_dequeue_offload()  argument
220 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue_offload()
223 	return cbs_child_dequeue(sch, qdisc);  in cbs_dequeue_offload()
226 static struct sk_buff *cbs_dequeue(struct Qdisc *sch)  in cbs_dequeue()  argument
228 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue()
230 	return q->dequeue(sch);  in cbs_dequeue()
296 static int cbs_change(struct Qdisc *sch, struct nlattr *opt,  in cbs_change()  argument
299 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_change()
300 	struct net_device *dev = qdisc_dev(sch);  in cbs_change()
344 static int cbs_init(struct Qdisc *sch, struct nlattr *opt,  in cbs_init()  argument
347 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_init()
348 	struct net_device *dev = qdisc_dev(sch);  in cbs_init()
355 	q->qdisc = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,  in cbs_init()
356 				     sch->handle, extack);  in cbs_init()
362 	q->queue = sch->dev_queue - netdev_get_tx_queue(dev, 0);  in cbs_init()
367 	qdisc_watchdog_init(&q->watchdog, sch);  in cbs_init()
369 	return cbs_change(sch, opt, extack);  in cbs_init()
372 static void cbs_destroy(struct Qdisc *sch)  in cbs_destroy()  argument
374 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_destroy()
375 	struct net_device *dev = qdisc_dev(sch);  in cbs_destroy()
385 static int cbs_dump(struct Qdisc *sch, struct sk_buff *skb)  in cbs_dump()  argument
387 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dump()
411 static int cbs_dump_class(struct Qdisc *sch, unsigned long cl,  in cbs_dump_class()  argument
414 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dump_class()
425 static int cbs_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in cbs_graft()  argument
428 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_graft()
431 		new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,  in cbs_graft()
432 					sch->handle, NULL);  in cbs_graft()
437 	*old = qdisc_replace(sch, new, &q->qdisc);  in cbs_graft()
441 static struct Qdisc *cbs_leaf(struct Qdisc *sch, unsigned long arg)  in cbs_leaf()  argument
443 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_leaf()
448 static unsigned long cbs_find(struct Qdisc *sch, u32 classid)  in cbs_find()  argument
453 static void cbs_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in cbs_walk()  argument
457 			if (walker->fn(sch, 1, walker) < 0) {  in cbs_walk()