148 static int tbf_segment(struct sk_buff *skb, struct Qdisc *sch,  in tbf_segment()  argument
151 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_segment()
160 		return qdisc_drop(skb, sch, to_free);  in tbf_segment()
171 				qdisc_qstats_drop(sch);  in tbf_segment()
177 	sch->q.qlen += nb;  in tbf_segment()
179 		qdisc_tree_reduce_backlog(sch, 1 - nb, prev_len - len);  in tbf_segment()
184 static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in tbf_enqueue()  argument
187 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_enqueue()
193 			return tbf_segment(skb, sch, to_free);  in tbf_enqueue()
194 		return qdisc_drop(skb, sch, to_free);  in tbf_enqueue()
199 			qdisc_qstats_drop(sch);  in tbf_enqueue()
203 	qdisc_qstats_backlog_inc(sch, skb);  in tbf_enqueue()
204 	sch->q.qlen++;  in tbf_enqueue()
213 static struct sk_buff *tbf_dequeue(struct Qdisc *sch)  in tbf_dequeue()  argument
215 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dequeue()
248 			qdisc_qstats_backlog_dec(sch, skb);  in tbf_dequeue()
249 			sch->q.qlen--;  in tbf_dequeue()
250 			qdisc_bstats_update(sch, skb);  in tbf_dequeue()
268 		qdisc_qstats_overlimit(sch);  in tbf_dequeue()
273 static void tbf_reset(struct Qdisc *sch)  in tbf_reset()  argument
275 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_reset()
278 	sch->qstats.backlog = 0;  in tbf_reset()
279 	sch->q.qlen = 0;  in tbf_reset()
296 static int tbf_change(struct Qdisc *sch, struct nlattr *opt,  in tbf_change()  argument
300 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_change()
365 	if (max_size < psched_mtu(qdisc_dev(sch)))  in tbf_change()
367 				    max_size, qdisc_dev(sch)->name,  in tbf_change()
368 				    psched_mtu(qdisc_dev(sch)));  in tbf_change()
380 		child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit,  in tbf_change()
391 	sch_tree_lock(sch);  in tbf_change()
414 	sch_tree_unlock(sch);  in tbf_change()
420 static int tbf_init(struct Qdisc *sch, struct nlattr *opt,  in tbf_init()  argument
423 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_init()
425 	qdisc_watchdog_init(&q->watchdog, sch);  in tbf_init()
433 	return tbf_change(sch, opt, extack);  in tbf_init()
436 static void tbf_destroy(struct Qdisc *sch)  in tbf_destroy()  argument
438 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_destroy()
444 static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)  in tbf_dump()  argument
446 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dump()
450 	sch->qstats.backlog = q->qdisc->qstats.backlog;  in tbf_dump()
482 static int tbf_dump_class(struct Qdisc *sch, unsigned long cl,  in tbf_dump_class()  argument
485 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_dump_class()
493 static int tbf_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in tbf_graft()  argument
496 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_graft()
501 	*old = qdisc_replace(sch, new, &q->qdisc);  in tbf_graft()
505 static struct Qdisc *tbf_leaf(struct Qdisc *sch, unsigned long arg)  in tbf_leaf()  argument
507 	struct tbf_sched_data *q = qdisc_priv(sch);  in tbf_leaf()
511 static unsigned long tbf_find(struct Qdisc *sch, u32 classid)  in tbf_find()  argument
516 static void tbf_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in tbf_walk()  argument
520 			if (walker->fn(sch, 1, walker) < 0) {  in tbf_walk()