143 static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch,  in tbf_segment()  argument
146 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_segment()
155 		return qdisc_drop(skb, sch, to_free);  in tbf_segment()
166 				qdisc_qstats_drop(sch);  in tbf_segment()
172 	sch->q.qlen += nb;  in tbf_segment()
174 		qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len);  in tbf_segment()
179 static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in tbf_enqueue()  argument
182 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_enqueue()
189 			return tbf_segment(skb, sch, to_free);  in tbf_enqueue()
190 		return qdisc_drop(skb, sch, to_free);  in tbf_enqueue()
195 			qdisc_qstats_drop(sch);  in tbf_enqueue()
199 	sch->qstats.backlog += len;  in tbf_enqueue()
200 	sch->q.qlen++;  in tbf_enqueue()
209 static struct sk_buff *tbf_dequeue(struct Qdisc *sch)  in tbf_dequeue()  argument
211 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dequeue()
244 			qdisc_qstats_backlog_dec(sch, skb);  in tbf_dequeue()
245 			sch->q.qlen--;  in tbf_dequeue()
246 			qdisc_bstats_update(sch, skb);  in tbf_dequeue()
264 		qdisc_qstats_overlimit(sch);  in tbf_dequeue()
269 static void tbf_reset(struct Qdisc *sch)  in tbf_reset()  argument
271 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_reset()
274 	sch->qstats.backlog = 0;  in tbf_reset()
275 	sch->q.qlen = 0;  in tbf_reset()
292 static int tbf_change(struct Qdisc *sch, struct nlattr *opt,  in tbf_change()  argument
296 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_change()
362 	if (max_size < psched_mtu(qdisc_dev(sch)))  in tbf_change()
364 				    max_size, qdisc_dev(sch)->name,  in tbf_change()
365 				    psched_mtu(qdisc_dev(sch)));  in tbf_change()
377 		child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit,  in tbf_change()
388 	sch_tree_lock(sch);  in tbf_change()
410 	sch_tree_unlock(sch);  in tbf_change()
416 static int tbf_init(struct Qdisc *sch, struct nlattr *opt,  in tbf_init()  argument
419 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_init()
421 	qdisc_watchdog_init(&q->watchdog, sch);  in tbf_init()
429 	return tbf_change(sch, opt, extack);  in tbf_init()
432 static void tbf_destroy(struct Qdisc *sch)  in tbf_destroy()  argument
434 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_destroy()
440 static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)  in tbf_dump()  argument
442 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dump()
446 	sch->qstats.backlog = q->qdisc->qstats.backlog;  in tbf_dump()
478 static int tbf_dump_class(struct Qdisc *sch, unsigned long cl,  in tbf_dump_class()  argument
481 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dump_class()
489 static int tbf_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in tbf_graft()  argument
492 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_graft()
497 	*old = qdisc_replace(sch, new, &q->qdisc);  in tbf_graft()
501 static struct Qdisc *tbf_leaf(struct Qdisc *sch, unsigned long arg)  in tbf_leaf()  argument
503 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_leaf()
507 static unsigned long tbf_find(struct Qdisc *sch, u32 classid)  in tbf_find()  argument
512 static void tbf_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in tbf_walk()  argument
516 			if (walker->fn(sch, 1, walker) < 0) {  in tbf_walk()