Esempi in C++ (Cpp) per codel_params_init

Esempio n. 1

File: sch_codel.c Progetto: 513855417/linux

static int codel_init(struct Qdisc *sch, struct nlattr *opt)
{
	struct codel_sched_data *q = qdisc_priv(sch);

	sch->limit = DEFAULT_CODEL_LIMIT;

	codel_params_init(&q->params);
	codel_vars_init(&q->vars);
	codel_stats_init(&q->stats);
	q->params.mtu = psched_mtu(qdisc_dev(sch));

	if (opt) {
		int err = codel_change(sch, opt);

		if (err)
			return err;
	}

	if (sch->limit >= 1)
		sch->flags |= TCQ_F_CAN_BYPASS;
	else
		sch->flags &= ~TCQ_F_CAN_BYPASS;

	return 0;
}

Esempio n. 2

File: sch_fq_codel.c Progetto: 513855417/linux

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

	sch->limit = 10*1024;
	q->flows_cnt = 1024;
	q->memory_limit = 32 << 20; /* 32 MBytes */
	q->drop_batch_size = 64;
	q->quantum = psched_mtu(qdisc_dev(sch));
	q->perturbation = prandom_u32();
	INIT_LIST_HEAD(&q->new_flows);
	INIT_LIST_HEAD(&q->old_flows);
	codel_params_init(&q->cparams);
	codel_stats_init(&q->cstats);
	q->cparams.ecn = true;
	q->cparams.mtu = psched_mtu(qdisc_dev(sch));

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

	if (!q->flows) {
		q->flows = fq_codel_zalloc(q->flows_cnt *
					   sizeof(struct fq_codel_flow));
		if (!q->flows)
			return -ENOMEM;
		q->backlogs = fq_codel_zalloc(q->flows_cnt * sizeof(u32));
		if (!q->backlogs) {
			fq_codel_free(q->flows);
			return -ENOMEM;
		}
		for (i = 0; i < q->flows_cnt; i++) {
			struct fq_codel_flow *flow = q->flows + i;

			INIT_LIST_HEAD(&flow->flowchain);
			codel_vars_init(&flow->cvars);
		}
	}
	if (sch->limit >= 1)
		sch->flags |= TCQ_F_CAN_BYPASS;
	else
		sch->flags &= ~TCQ_F_CAN_BYPASS;
	return 0;
}

Esempio n. 3

File: sch_fq_codel.c Progetto: Lyude/linux

static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt,
			 struct netlink_ext_ack *extack)
{
	struct fq_codel_sched_data *q = qdisc_priv(sch);
	int i;
	int err;

	sch->limit = 10*1024;
	q->flows_cnt = 1024;
	q->memory_limit = 32 << 20; /* 32 MBytes */
	q->drop_batch_size = 64;
	q->quantum = psched_mtu(qdisc_dev(sch));
	INIT_LIST_HEAD(&q->new_flows);
	INIT_LIST_HEAD(&q->old_flows);
	codel_params_init(&q->cparams);
	codel_stats_init(&q->cstats);
	q->cparams.ecn = true;
	q->cparams.mtu = psched_mtu(qdisc_dev(sch));

	if (opt) {
		err = fq_codel_change(sch, opt, extack);
		if (err)
			goto init_failure;
	}

	err = tcf_block_get(&q->block, &q->filter_list, sch, extack);
	if (err)
		goto init_failure;

	if (!q->flows) {
		q->flows = kvcalloc(q->flows_cnt,
				    sizeof(struct fq_codel_flow),
				    GFP_KERNEL);
		if (!q->flows) {
			err = -ENOMEM;
			goto init_failure;
		}
		q->backlogs = kvcalloc(q->flows_cnt, sizeof(u32), GFP_KERNEL);
		if (!q->backlogs) {
			err = -ENOMEM;
			goto alloc_failure;
		}
		for (i = 0; i < q->flows_cnt; i++) {
			struct fq_codel_flow *flow = q->flows + i;

			INIT_LIST_HEAD(&flow->flowchain);
			codel_vars_init(&flow->cvars);
		}
	}
	if (sch->limit >= 1)
		sch->flags |= TCQ_F_CAN_BYPASS;
	else
		sch->flags &= ~TCQ_F_CAN_BYPASS;
	return 0;

alloc_failure:
	kvfree(q->flows);
	q->flows = NULL;
init_failure:
	q->flows_cnt = 0;
	return err;
}