44 	struct Qdisc		*sch;  member
61 static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,  in red_enqueue()  argument
64 	struct red_sched_data *q = qdisc_priv(sch);  in red_enqueue()
80 		qdisc_qstats_overlimit(sch);  in red_enqueue()
90 		qdisc_qstats_overlimit(sch);  in red_enqueue()
103 		qdisc_qstats_backlog_inc(sch, skb);  in red_enqueue()
104 		sch->q.qlen++;  in red_enqueue()
107 		qdisc_qstats_drop(sch);  in red_enqueue()
112 	qdisc_drop(skb, sch, to_free);  in red_enqueue()
116 static struct sk_buff *red_dequeue(struct Qdisc *sch)  in red_dequeue()  argument
119 	struct red_sched_data *q = qdisc_priv(sch);  in red_dequeue()
124 		qdisc_bstats_update(sch, skb);  in red_dequeue()
125 		qdisc_qstats_backlog_dec(sch, skb);  in red_dequeue()
126 		sch->q.qlen--;  in red_dequeue()
134 static struct sk_buff *red_peek(struct Qdisc *sch)  in red_peek()  argument
136 	struct red_sched_data *q = qdisc_priv(sch);  in red_peek()
142 static void red_reset(struct Qdisc *sch)  in red_reset()  argument
144 	struct red_sched_data *q = qdisc_priv(sch);  in red_reset()
147 	sch->qstats.backlog = 0;  in red_reset()
148 	sch->q.qlen = 0;  in red_reset()
152 static int red_offload(struct Qdisc *sch, bool enable)  in red_offload()  argument
154 	struct red_sched_data *q = qdisc_priv(sch);  in red_offload()
155 	struct net_device *dev = qdisc_dev(sch);  in red_offload()
157 		.handle = sch->handle,  in red_offload()
158 		.parent = sch->parent,  in red_offload()
170 		opt.set.qstats = &sch->qstats;  in red_offload()
178 static void red_destroy(struct Qdisc *sch)  in red_destroy()  argument
180 	struct red_sched_data *q = qdisc_priv(sch);  in red_destroy()
183 	red_offload(sch, false);  in red_destroy()
193 static int red_change(struct Qdisc *sch, struct nlattr *opt,  in red_change()  argument
196 	struct red_sched_data *q = qdisc_priv(sch);  in red_change()
221 		child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit,  in red_change()
230 	sch_tree_lock(sch);  in red_change()
254 	sch_tree_unlock(sch);  in red_change()
255 	red_offload(sch, true);  in red_change()
262 	struct Qdisc *sch = q->sch;  in red_adaptative_timer()  local
263 	spinlock_t *root_lock = qdisc_lock(qdisc_root_sleeping(sch));  in red_adaptative_timer()
271 static int red_init(struct Qdisc *sch, struct nlattr *opt,  in red_init()  argument
274 	struct red_sched_data *q = qdisc_priv(sch);  in red_init()
277 	q->sch = sch;  in red_init()
279 	return red_change(sch, opt, extack);  in red_init()
282 static int red_dump_offload_stats(struct Qdisc *sch, struct tc_red_qopt *opt)  in red_dump_offload_stats()  argument
284 	struct net_device *dev = qdisc_dev(sch);  in red_dump_offload_stats()
287 		.handle = sch->handle,  in red_dump_offload_stats()
288 		.parent = sch->parent,  in red_dump_offload_stats()
290 			.stats.bstats = &sch->bstats,  in red_dump_offload_stats()
291 			.stats.qstats = &sch->qstats,  in red_dump_offload_stats()
296 	sch->flags &= ~TCQ_F_OFFLOADED;  in red_dump_offload_stats()
307 		sch->flags |= TCQ_F_OFFLOADED;  in red_dump_offload_stats()
312 static int red_dump(struct Qdisc *sch, struct sk_buff *skb)  in red_dump()  argument
314 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump()
327 	err = red_dump_offload_stats(sch, &opt);  in red_dump()
344 static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d)  in red_dump_stats()  argument
346 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump_stats()
347 	struct net_device *dev = qdisc_dev(sch);  in red_dump_stats()
350 	if (sch->flags & TCQ_F_OFFLOADED) {  in red_dump_stats()
353 			.handle = sch->handle,  in red_dump_stats()
354 			.parent = sch->parent,  in red_dump_stats()
370 static int red_dump_class(struct Qdisc *sch, unsigned long cl,  in red_dump_class()  argument
373 	struct red_sched_data *q = qdisc_priv(sch);  in red_dump_class()
380 static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,  in red_graft()  argument
383 	struct red_sched_data *q = qdisc_priv(sch);  in red_graft()
388 	*old = qdisc_replace(sch, new, &q->qdisc);  in red_graft()
392 static struct Qdisc *red_leaf(struct Qdisc *sch, unsigned long arg)  in red_leaf()  argument
394 	struct red_sched_data *q = qdisc_priv(sch);  in red_leaf()
398 static unsigned long red_find(struct Qdisc *sch, u32 classid)  in red_find()  argument
403 static void red_walk(struct Qdisc *sch, struct qdisc_walker *walker)  in red_walk()  argument
407 			if (walker->fn(sch, 1, walker) < 0) {  in red_walk()