80 	int (*enqueue)(struct sk_buff *skb, struct Qdisc *sch,
82 	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
98 	sch->qstats.backlog += len;  in cbs_child_enqueue()
99 	sch->q.qlen++;  in cbs_child_enqueue()
104 static int cbs_enqueue_offload(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue_offload()  argument
107 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue_offload()
110 	return cbs_child_enqueue(skb, sch, qdisc, to_free);  in cbs_enqueue_offload()
113 static int cbs_enqueue_soft(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue_soft()  argument
116 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue_soft()
119 	if (sch->q.qlen == 0 && q->credits > 0) {  in cbs_enqueue_soft()
127 	return cbs_child_enqueue(skb, sch, qdisc, to_free);  in cbs_enqueue_soft()
130 static int cbs_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in cbs_enqueue()  argument
133 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_enqueue()
135 	return q->enqueue(skb, sch, to_free);  in cbs_enqueue()
160 static struct sk_buff *cbs_child_dequeue(struct Qdisc *sch, struct Qdisc *child)  in cbs_child_dequeue()  argument
168 	qdisc_qstats_backlog_dec(sch, skb);  in cbs_child_dequeue()
169 	qdisc_bstats_update(sch, skb);  in cbs_child_dequeue()
170 	sch->q.qlen--;  in cbs_child_dequeue()
175 static struct sk_buff *cbs_dequeue_soft(struct Qdisc *sch)  in cbs_dequeue_soft()  argument
177 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue_soft()
201 	skb = cbs_child_dequeue(sch, qdisc);  in cbs_dequeue_soft()
220 static struct sk_buff *cbs_dequeue_offload(struct Qdisc *sch)  in cbs_dequeue_offload()  argument
222 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue_offload()
225 	return cbs_child_dequeue(sch, qdisc);  in cbs_dequeue_offload()
228 static struct sk_buff *cbs_dequeue(struct Qdisc *sch)  in cbs_dequeue()  argument
230 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dequeue()
232 	return q->dequeue(sch);  in cbs_dequeue()
350 static int cbs_change(struct Qdisc *sch, struct nlattr *opt,  in cbs_change()  argument
353 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_change()
354 	struct net_device *dev = qdisc_dev(sch);  in cbs_change()
390 static int cbs_init(struct Qdisc *sch, struct nlattr *opt,  in cbs_init()  argument
393 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_init()
394 	struct net_device *dev = qdisc_dev(sch);  in cbs_init()
401 	q->qdisc = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,  in cbs_init()
402 				     sch->handle, extack);  in cbs_init()
412 	q->queue = sch->dev_queue - netdev_get_tx_queue(dev, 0);  in cbs_init()
417 	qdisc_watchdog_init(&q->watchdog, sch);  in cbs_init()
419 	return cbs_change(sch, opt, extack);  in cbs_init()
422 static void cbs_destroy(struct Qdisc *sch)  in cbs_destroy()  argument
424 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_destroy()
425 	struct net_device *dev = qdisc_dev(sch);  in cbs_destroy()
441 static int cbs_dump(struct Qdisc *sch, struct sk_buff *skb)  in cbs_dump()  argument
443 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dump()
467 static int cbs_dump_class(struct Qdisc *sch, unsigned long cl,  in cbs_dump_class()  argument
470 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_dump_class()
481 static int cbs_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in cbs_graft()  argument
484 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_graft()
487 		new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,  in cbs_graft()
488 					sch->handle, NULL);  in cbs_graft()
493 	*old = qdisc_replace(sch, new, &q->qdisc);  in cbs_graft()
497 static struct Qdisc *cbs_leaf(struct Qdisc *sch, unsigned long arg)  in cbs_leaf()  argument
499 	struct cbs_sched_data *q = qdisc_priv(sch);  in cbs_leaf()
504 static unsigned long cbs_find(struct Qdisc *sch, u32 classid)  in cbs_find()  argument
509 static void cbs_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in cbs_walk()  argument
513 			if (walker->fn(sch, 1, walker) < 0) {  in cbs_walk()