44 	struct Qdisc		*sch;  member
70 static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in red_enqueue()  argument
73 	struct red_sched_data *q = qdisc_priv(sch);  in red_enqueue()
89 		qdisc_qstats_overlimit(sch);  in red_enqueue()
97 			skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret);  in red_enqueue()
109 		qdisc_qstats_overlimit(sch);  in red_enqueue()
117 			skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret);  in red_enqueue()
131 		qdisc_qstats_backlog_inc(sch, skb);  in red_enqueue()
132 		sch->q.qlen++;  in red_enqueue()
135 		qdisc_qstats_drop(sch);  in red_enqueue()
140 	skb = tcf_qevent_handle(&q->qe_early_drop, sch, skb, to_free, &ret);  in red_enqueue()
144 	qdisc_drop(skb, sch, to_free);  in red_enqueue()
148 static struct sk_buff *red_dequeue(struct Qdisc *sch)  in red_dequeue()  argument
151 	struct red_sched_data *q = qdisc_priv(sch);  in red_dequeue()
156 		qdisc_bstats_update(sch, skb);  in red_dequeue()
157 		qdisc_qstats_backlog_dec(sch, skb);  in red_dequeue()
158 		sch->q.qlen--;  in red_dequeue()
166 static struct sk_buff *red_peek(struct Qdisc *sch)  in red_peek()  argument
168 	struct red_sched_data *q = qdisc_priv(sch);  in red_peek()
174 static void red_reset(struct Qdisc *sch)  in red_reset()  argument
176 	struct red_sched_data *q = qdisc_priv(sch);  in red_reset()
179 	sch->qstats.backlog = 0;  in red_reset()
180 	sch->q.qlen = 0;  in red_reset()
184 static int red_offload(struct Qdisc *sch, bool enable)  in red_offload()  argument
186 	struct red_sched_data *q = qdisc_priv(sch);  in red_offload()
187 	struct net_device *dev = qdisc_dev(sch);  in red_offload()
189 		.handle = sch->handle,  in red_offload()
190 		.parent = sch->parent,  in red_offload()
205 		opt.set.qstats = &sch->qstats;  in red_offload()
213 static void red_destroy(struct Qdisc *sch)  in red_destroy()  argument
215 	struct red_sched_data *q = qdisc_priv(sch);  in red_destroy()
217 	tcf_qevent_destroy(&q->qe_mark, sch);  in red_destroy()
218 	tcf_qevent_destroy(&q->qe_early_drop, sch);  in red_destroy()
220 	red_offload(sch, false);  in red_destroy()
234 static int __red_change(struct Qdisc *sch, struct nlattr **tb,  in __red_change()  argument
238 	struct red_sched_data *q = qdisc_priv(sch);  in __red_change()
263 		child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit,  in __red_change()
272 	sch_tree_lock(sch);  in __red_change()
302 	sch_tree_unlock(sch);  in __red_change()
304 	red_offload(sch, true);  in __red_change()
311 	sch_tree_unlock(sch);  in __red_change()
320 	struct Qdisc *sch = q->sch;  in red_adaptative_timer()  local
321 	spinlock_t *root_lock = qdisc_lock(qdisc_root_sleeping(sch));  in red_adaptative_timer()
329 static int red_init(struct Qdisc *sch, struct nlattr *opt,  in red_init()  argument
332 	struct red_sched_data *q = qdisc_priv(sch);  in red_init()
337 	q->sch = sch;  in red_init()
348 	err = __red_change(sch, tb, extack);  in red_init()
352 	err = tcf_qevent_init(&q->qe_early_drop, sch,  in red_init()
358 	return tcf_qevent_init(&q->qe_mark, sch,  in red_init()
363 static int red_change(struct Qdisc *sch, struct nlattr *opt,  in red_change()  argument
366 	struct red_sched_data *q = qdisc_priv(sch);  in red_change()
388 	return __red_change(sch, tb, extack);  in red_change()
391 static int red_dump_offload_stats(struct Qdisc *sch)  in red_dump_offload_stats()  argument
395 		.handle = sch->handle,  in red_dump_offload_stats()
396 		.parent = sch->parent,  in red_dump_offload_stats()
398 			.stats.bstats = &sch->bstats,  in red_dump_offload_stats()
399 			.stats.qstats = &sch->qstats,  in red_dump_offload_stats()
403 	return qdisc_offload_dump_helper(sch, TC_SETUP_QDISC_RED, &hw_stats);  in red_dump_offload_stats()
406 static int red_dump(struct Qdisc *sch, struct sk_buff *skb)  in red_dump()  argument
408 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump()
422 	err = red_dump_offload_stats(sch);  in red_dump()
443 static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d)  in red_dump_stats()  argument
445 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump_stats()
446 	struct net_device *dev = qdisc_dev(sch);  in red_dump_stats()
449 	if (sch->flags & TCQ_F_OFFLOADED) {  in red_dump_stats()
452 			.handle = sch->handle,  in red_dump_stats()
453 			.parent = sch->parent,  in red_dump_stats()
469 static int red_dump_class(struct Qdisc *sch, unsigned long cl,  in red_dump_class()  argument
472 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump_class()
479 static void red_graft_offload(struct Qdisc *sch,  in red_graft_offload()  argument
484 		.handle		= sch->handle,  in red_graft_offload()
485 		.parent		= sch->parent,  in red_graft_offload()
490 	qdisc_offload_graft_helper(qdisc_dev(sch), sch, new, old,  in red_graft_offload()
494 static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in red_graft()  argument
497 	struct red_sched_data *q = qdisc_priv(sch);  in red_graft()
502 	*old = qdisc_replace(sch, new, &q->qdisc);  in red_graft()
504 	red_graft_offload(sch, new, *old, extack);  in red_graft()
508 static struct Qdisc *red_leaf(struct Qdisc *sch, unsigned long arg)  in red_leaf()  argument
510 	struct red_sched_data *q = qdisc_priv(sch);  in red_leaf()
514 static unsigned long red_find(struct Qdisc *sch, u32 classid)  in red_find()  argument
519 static void red_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in red_walk()  argument
523 			if (walker->fn(sch, 1, walker) < 0) {  in red_walk()