279 static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in sfb_enqueue()  argument
283 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_enqueue()
295 	if (unlikely(sch->q.qlen >= q->limit)) {  in sfb_enqueue()
296 		qdisc_qstats_overlimit(sch);  in sfb_enqueue()
349 		qdisc_qstats_overlimit(sch);  in sfb_enqueue()
375 			qdisc_qstats_overlimit(sch);  in sfb_enqueue()
407 		sch->qstats.backlog += len;  in sfb_enqueue()
408 		sch->q.qlen++;  in sfb_enqueue()
412 		qdisc_qstats_drop(sch);  in sfb_enqueue()
417 	qdisc_drop(skb, sch, to_free);  in sfb_enqueue()
421 		qdisc_qstats_drop(sch);  in sfb_enqueue()
426 static struct sk_buff *sfb_dequeue(struct Qdisc *sch)  in sfb_dequeue()  argument
428 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_dequeue()
435 		qdisc_bstats_update(sch, skb);  in sfb_dequeue()
436 		qdisc_qstats_backlog_dec(sch, skb);  in sfb_dequeue()
437 		sch->q.qlen--;  in sfb_dequeue()
444 static struct sk_buff *sfb_peek(struct Qdisc *sch)  in sfb_peek()  argument
446 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_peek()
454 static void sfb_reset(struct Qdisc *sch)  in sfb_reset()  argument
456 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_reset()
466 static void sfb_destroy(struct Qdisc *sch)  in sfb_destroy()  argument
468 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_destroy()
490 static int sfb_change(struct Qdisc *sch, struct nlattr *opt,  in sfb_change()  argument
493 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_change()
514 		limit = qdisc_dev(sch)->tx_queue_len;  in sfb_change()
516 	child = fifo_create_dflt(sch, &pfifo_qdisc_ops, limit, extack);  in sfb_change()
522 	sch_tree_lock(sch);  in sfb_change()
547 	sch_tree_unlock(sch);  in sfb_change()
553 static int sfb_init(struct Qdisc *sch, struct nlattr *opt,  in sfb_init()  argument
556 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_init()
559 	err = tcf_block_get(&q->block, &q->filter_list, sch, extack);  in sfb_init()
564 	return sfb_change(sch, opt, extack);  in sfb_init()
567 static int sfb_dump(struct Qdisc *sch, struct sk_buff *skb)  in sfb_dump()  argument
569 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_dump()
583 	sch->qstats.backlog = q->qdisc->qstats.backlog;  in sfb_dump()
596 static int sfb_dump_stats(struct Qdisc *sch, struct gnet_dump *d)  in sfb_dump_stats()  argument
598 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_dump_stats()
613 static int sfb_dump_class(struct Qdisc *sch, unsigned long cl,  in sfb_dump_class()  argument
619 static int sfb_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in sfb_graft()  argument
622 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_graft()
627 	*old = qdisc_replace(sch, new, &q->qdisc);  in sfb_graft()
631 static struct Qdisc *sfb_leaf(struct Qdisc *sch, unsigned long arg)  in sfb_leaf()  argument
633 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_leaf()
638 static unsigned long sfb_find(struct Qdisc *sch, u32 classid)  in sfb_find()  argument
643 static void sfb_unbind(struct Qdisc *sch, unsigned long arg)  in sfb_unbind()  argument
647 static int sfb_change_class(struct Qdisc *sch, u32 classid, u32 parentid,  in sfb_change_class()  argument
654 static int sfb_delete(struct Qdisc *sch, unsigned long cl,  in sfb_delete()  argument
660 static void sfb_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in sfb_walk()  argument
664 			if (walker->fn(sch, 1, walker) < 0) {  in sfb_walk()
672 static struct tcf_block *sfb_tcf_block(struct Qdisc *sch, unsigned long cl,  in sfb_tcf_block()  argument
675 	struct sfb_sched_data *q = qdisc_priv(sch);  in sfb_tcf_block()
682 static unsigned long sfb_bind(struct Qdisc *sch, unsigned long parent,  in sfb_bind()  argument