C++ (Cpp) sfq_change Exemples

Exemple #1

Fichier : sch_sfq.c Projet : NKSG/INTER_MANET_NS3

static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct sfq_sched_data *q = qdisc_priv(sch);
	int i;

	q->perturb_timer.function = sfq_perturbation;
	q->perturb_timer.data = (unsigned long)sch;;
	init_timer_deferrable(&q->perturb_timer);

	for (i = 0; i < SFQ_HASH_DIVISOR; i++)
		q->ht[i] = SFQ_DEPTH;

	for (i = 0; i < SFQ_DEPTH; i++) {
		skb_queue_head_init(&q->qs[i]);
		q->dep[i + SFQ_DEPTH].next = i + SFQ_DEPTH;
		q->dep[i + SFQ_DEPTH].prev = i + SFQ_DEPTH;
	}

	q->limit = SFQ_DEPTH - 1;
	q->max_depth = 0;
	q->tail = SFQ_DEPTH;
	if (opt == NULL) {
		q->quantum = psched_mtu(sch->dev);
		q->perturb_period = 0;
		q->perturbation = net_random();
	} else {
		int err = sfq_change(sch, opt);
		if (err)
			return err;
	}

	for (i = 0; i < SFQ_DEPTH; i++)
		sfq_link(q, i);
	return 0;
}

Exemple #2

Fichier : sch_sfq.c Projet : AkyZero/wrapfs-latest

static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct sfq_sched_data *q = qdisc_priv(sch);
	int i;

	q->perturb_timer.function = sfq_perturbation;
	q->perturb_timer.data = (unsigned long)sch;
	init_timer_deferrable(&q->perturb_timer);

	for (i = 0; i < SFQ_MAX_DEPTH + 1; i++) {
		q->dep[i].next = i + SFQ_MAX_FLOWS;
		q->dep[i].prev = i + SFQ_MAX_FLOWS;
	}

	q->limit = SFQ_MAX_DEPTH;
	q->maxdepth = SFQ_MAX_DEPTH;
	q->cur_depth = 0;
	q->tail = NULL;
	q->divisor = SFQ_DEFAULT_HASH_DIVISOR;
	q->maxflows = SFQ_DEFAULT_FLOWS;
	q->quantum = psched_mtu(qdisc_dev(sch));
	q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum);
	q->perturb_period = 0;
	q->perturbation = prandom_u32();

	if (opt) {
		int err = sfq_change(sch, opt);
		if (err)
			return err;
	}

	q->ht = sfq_alloc(sizeof(q->ht[0]) * q->divisor);
	q->slots = sfq_alloc(sizeof(q->slots[0]) * q->maxflows);
	if (!q->ht || !q->slots) {
		sfq_destroy(sch);
		return -ENOMEM;
	}
	for (i = 0; i < q->divisor; i++)
		q->ht[i] = SFQ_EMPTY_SLOT;

	for (i = 0; i < q->maxflows; i++) {
		slot_queue_init(&q->slots[i]);
		sfq_link(q, i);
	}
	if (q->limit >= 1)
		sch->flags |= TCQ_F_CAN_BYPASS;
	else
		sch->flags &= ~TCQ_F_CAN_BYPASS;
	return 0;
}

Exemple #3

static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct sfq_sched_data *q = qdisc_priv(sch);
	size_t sz;
	int i;

	q->perturb_timer.function = sfq_perturbation;
	q->perturb_timer.data = (unsigned long)sch;
	init_timer_deferrable(&q->perturb_timer);

	for (i = 0; i < SFQ_DEPTH; i++) {
		q->dep[i].next = i + SFQ_SLOTS;
		q->dep[i].prev = i + SFQ_SLOTS;
	}

	q->limit = SFQ_DEPTH - 1;
	q->cur_depth = 0;
	q->tail = NULL;
	q->divisor = SFQ_DEFAULT_HASH_DIVISOR;
	if (opt == NULL) {
		q->quantum = psched_mtu(qdisc_dev(sch));
		q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum);
		q->perturb_period = 0;
		q->perturbation = net_random();
	} else {
		int err = sfq_change(sch, opt);
		if (err)
			return err;
	}

	sz = sizeof(q->ht[0]) * q->divisor;
	q->ht = kmalloc(sz, GFP_KERNEL);
	if (!q->ht && sz > PAGE_SIZE)
		q->ht = vmalloc(sz);
	if (!q->ht)
		return -ENOMEM;
	for (i = 0; i < q->divisor; i++)
		q->ht[i] = SFQ_EMPTY_SLOT;

	for (i = 0; i < SFQ_SLOTS; i++) {
		slot_queue_init(&q->slots[i]);
		sfq_link(q, i);
	}
	if (q->limit >= 1)
		sch->flags |= TCQ_F_CAN_BYPASS;
	else
		sch->flags &= ~TCQ_F_CAN_BYPASS;
	return 0;
}

Exemple #4

Fichier : sch_sfq.c Projet : ANFS/ANFS-kernel

static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct sfq_sched_data *q = qdisc_priv(sch);
	int i;

	q->perturb_timer.function = sfq_perturbation;
	q->perturb_timer.data = (unsigned long)sch;
	init_timer_deferrable(&q->perturb_timer);

	for (i = 0; i < SFQ_HASH_DIVISOR; i++)
		q->ht[i] = SFQ_EMPTY_SLOT;

	for (i = 0; i < SFQ_DEPTH; i++) {
		q->dep[i].next = i + SFQ_SLOTS;
		q->dep[i].prev = i + SFQ_SLOTS;
	}

	q->limit = SFQ_DEPTH - 1;
	q->cur_depth = 0;
	q->tail = NULL;
	if (opt == NULL) {
		q->quantum = psched_mtu(qdisc_dev(sch));
		q->scaled_quantum = SFQ_ALLOT_SIZE(q->quantum);
		q->perturb_period = 0;
		q->perturbation = net_random();
	} else {
		int err = sfq_change(sch, opt);
		if (err)
			return err;
	}

	for (i = 0; i < SFQ_SLOTS; i++) {
		slot_queue_init(&q->slots[i]);
		sfq_link(q, i);
	}
	return 0;
}