numam-dpdk/app/test-eventdev/test_order_common.c

/*
 *   BSD LICENSE
 *
 *   Copyright (C) Cavium 2017.
 *
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 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Cavium networks nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "test_order_common.h"

int
order_test_result(struct evt_test *test, struct evt_options *opt)
{
	RTE_SET_USED(opt);
	struct test_order *t = evt_test_priv(test);

	return t->result;
}

int
order_opt_check(struct evt_options *opt)
{
	/* 1 producer + N workers + 1 master */
	if (rte_lcore_count() < 3) {
		evt_err("test need minimum 3 lcores");
		return -1;
	}

	/* Validate worker lcores */
	if (evt_lcores_has_overlap(opt->wlcores, rte_get_master_lcore())) {
		evt_err("worker lcores overlaps with master lcore");
		return -1;
	}

	if (evt_nr_active_lcores(opt->plcores) == 0) {
		evt_err("missing the producer lcore");
		return -1;
	}

	if (evt_nr_active_lcores(opt->plcores) != 1) {
		evt_err("only one producer lcore must be selected");
		return -1;
	}

	int plcore = evt_get_first_active_lcore(opt->plcores);

	if (plcore < 0) {
		evt_err("failed to find active producer");
		return plcore;
	}

	if (evt_lcores_has_overlap(opt->wlcores, plcore)) {
		evt_err("worker lcores overlaps producer lcore");
		return -1;
	}
	if (evt_has_disabled_lcore(opt->wlcores)) {
		evt_err("one or more workers lcores are not enabled");
		return -1;
	}
	if (!evt_has_active_lcore(opt->wlcores)) {
		evt_err("minimum one worker is required");
		return -1;
	}

	/* Validate producer lcore */
	if (plcore == (int)rte_get_master_lcore()) {
		evt_err("producer lcore and master lcore should be different");
		return -1;
	}
	if (!rte_lcore_is_enabled(plcore)) {
		evt_err("producer lcore is not enabled");
		return -1;
	}

	/* Fixups */
	if (opt->nb_pkts == 0)
		opt->nb_pkts = INT64_MAX;

	return 0;
}

int
order_test_setup(struct evt_test *test, struct evt_options *opt)
{
	void *test_order;

	test_order = rte_zmalloc_socket(test->name, sizeof(struct test_order),
				RTE_CACHE_LINE_SIZE, opt->socket_id);
	if (test_order  == NULL) {
		evt_err("failed to allocate test_order memory");
		goto nomem;
	}
	test->test_priv = test_order;

	struct test_order *t = evt_test_priv(test);

	t->producer_flow_seq = rte_zmalloc_socket("test_producer_flow_seq",
				 sizeof(*t->producer_flow_seq) * opt->nb_flows,
				RTE_CACHE_LINE_SIZE, opt->socket_id);

	if (t->producer_flow_seq  == NULL) {
		evt_err("failed to allocate t->producer_flow_seq memory");
		goto prod_nomem;
	}

	t->expected_flow_seq = rte_zmalloc_socket("test_expected_flow_seq",
				 sizeof(*t->expected_flow_seq) * opt->nb_flows,
				RTE_CACHE_LINE_SIZE, opt->socket_id);

	if (t->expected_flow_seq  == NULL) {
		evt_err("failed to allocate t->expected_flow_seq memory");
		goto exp_nomem;
	}
	rte_atomic64_set(&t->outstand_pkts, opt->nb_pkts);
	t->err = false;
	t->nb_pkts = opt->nb_pkts;
	t->nb_flows = opt->nb_flows;
	t->result = EVT_TEST_FAILED;
	t->opt = opt;
	return 0;

exp_nomem:
	rte_free(t->producer_flow_seq);
prod_nomem:
	rte_free(test->test_priv);
nomem:
	return -ENOMEM;
}

void
order_test_destroy(struct evt_test *test, struct evt_options *opt)
{
	RTE_SET_USED(opt);
	struct test_order *t = evt_test_priv(test);

	rte_free(t->expected_flow_seq);
	rte_free(t->producer_flow_seq);
	rte_free(test->test_priv);
}

int
order_mempool_setup(struct evt_test *test, struct evt_options *opt)
{
	struct test_order *t = evt_test_priv(test);

	t->pool  = rte_pktmbuf_pool_create(test->name, opt->pool_sz,
					256 /* Cache */, 0,
					512, /* Use very small mbufs */
					opt->socket_id);
	if (t->pool == NULL) {
		evt_err("failed to create mempool");
		return -ENOMEM;
	}

	return 0;
}

void
order_mempool_destroy(struct evt_test *test, struct evt_options *opt)
{
	RTE_SET_USED(opt);
	struct test_order *t = evt_test_priv(test);

	rte_mempool_free(t->pool);
}

void
order_eventdev_destroy(struct evt_test *test, struct evt_options *opt)
{
	RTE_SET_USED(test);

	rte_event_dev_stop(opt->dev_id);
	rte_event_dev_close(opt->dev_id);
}

void
order_opt_dump(struct evt_options *opt)
{
	evt_dump_producer_lcores(opt);
	evt_dump("nb_wrker_lcores", "%d", evt_nr_active_lcores(opt->wlcores));
	evt_dump_worker_lcores(opt);
	evt_dump("nb_evdev_ports", "%d", order_nb_event_ports(opt));
}

int
order_event_dev_port_setup(struct evt_test *test, struct evt_options *opt,
				uint8_t nb_workers, uint8_t nb_queues)
{
	int ret;
	uint8_t port;
	struct test_order *t = evt_test_priv(test);

	/* port configuration */
	const struct rte_event_port_conf wkr_p_conf = {
			.dequeue_depth = opt->wkr_deq_dep,
			.enqueue_depth = 64,
			.new_event_threshold = 4096,
	};

	/* setup one port per worker, linking to all queues */
	for (port = 0; port < nb_workers; port++) {
		struct worker_data *w = &t->worker[port];

		w->dev_id = opt->dev_id;
		w->port_id = port;
		w->t = t;

		ret = rte_event_port_setup(opt->dev_id, port, &wkr_p_conf);
		if (ret) {
			evt_err("failed to setup port %d", port);
			return ret;
		}

		ret = rte_event_port_link(opt->dev_id, port, NULL, NULL, 0);
		if (ret != nb_queues) {
			evt_err("failed to link all queues to port %d", port);
			return -EINVAL;
		}
	}
	/* port for producer, no links */
	const struct rte_event_port_conf prod_conf = {
			.dequeue_depth = 8,
			.enqueue_depth = 32,
			.new_event_threshold = 1200,
	};
	struct prod_data *p = &t->prod;

	p->dev_id = opt->dev_id;
	p->port_id = port; /* last port */
	p->queue_id = 0;
	p->t = t;

	ret = rte_event_port_setup(opt->dev_id, port, &prod_conf);
	if (ret) {
		evt_err("failed to setup producer port %d", port);
		return ret;
	}

	return ret;
}