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/*
* BSD LICENSE
*
* Copyright (C) Cavium, Inc 2017.
*
* Redistribution and use in source and binary forms, with or without
* 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, Inc 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,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* 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 <stdio.h>
#include <unistd.h>
#include "test_order_common.h"
/* See http://doc.dpdk.org/guides/tools/testeventdev.html for test details */
static inline __attribute__((always_inline)) void
order_atq_process_stage_0(struct rte_event *const ev)
{
ev->sub_event_type = 1; /* move to stage 1 (atomic) on the same queue */
ev->op = RTE_EVENT_OP_FORWARD;
ev->sched_type = RTE_SCHED_TYPE_ATOMIC;
ev->event_type = RTE_EVENT_TYPE_CPU;
}
static int
order_atq_worker(void *arg)
{
ORDER_WORKER_INIT;
struct rte_event ev;
while (t->err == false) {
uint16_t event = rte_event_dequeue_burst(dev_id, port,
&ev, 1, 0);
if (!event) {
if (rte_atomic64_read(outstand_pkts) <= 0)
break;
rte_pause();
continue;
}
if (ev.sub_event_type == 0) { /* stage 0 from producer */
order_atq_process_stage_0(&ev);
while (rte_event_enqueue_burst(dev_id, port, &ev, 1)
!= 1)
rte_pause();
} else if (ev.sub_event_type == 1) { /* stage 1 */
order_process_stage_1(t, &ev, nb_flows,
expected_flow_seq, outstand_pkts);
} else {
order_process_stage_invalid(t, &ev);
}
}
return 0;
}
static int
order_atq_worker_burst(void *arg)
{
ORDER_WORKER_INIT;
struct rte_event ev[BURST_SIZE];
uint16_t i;
while (t->err == false) {
uint16_t const nb_rx = rte_event_dequeue_burst(dev_id, port, ev,
BURST_SIZE, 0);
if (nb_rx == 0) {
if (rte_atomic64_read(outstand_pkts) <= 0)
break;
rte_pause();
continue;
}
for (i = 0; i < nb_rx; i++) {
if (ev[i].sub_event_type == 0) { /*stage 0 */
order_atq_process_stage_0(&ev[i]);
} else if (ev[i].sub_event_type == 1) { /* stage 1 */
order_process_stage_1(t, &ev[i], nb_flows,
expected_flow_seq, outstand_pkts);
ev[i].op = RTE_EVENT_OP_RELEASE;
} else {
order_process_stage_invalid(t, &ev[i]);
}
}
uint16_t enq;
enq = rte_event_enqueue_burst(dev_id, port, ev, nb_rx);
while (enq < nb_rx) {
enq += rte_event_enqueue_burst(dev_id, port,
ev + enq, nb_rx - enq);
}
}
return 0;
}
static int
worker_wrapper(void *arg)
{
struct worker_data *w = arg;
const bool burst = evt_has_burst_mode(w->dev_id);
if (burst)
return order_atq_worker_burst(arg);
else
return order_atq_worker(arg);
}
static int
order_atq_launch_lcores(struct evt_test *test, struct evt_options *opt)
{
return order_launch_lcores(test, opt, worker_wrapper);
}
#define NB_QUEUES 1
static int
order_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
{
int ret;
const uint8_t nb_workers = evt_nr_active_lcores(opt->wlcores);
/* number of active worker cores + 1 producer */
const uint8_t nb_ports = nb_workers + 1;
const struct rte_event_dev_config config = {
.nb_event_queues = NB_QUEUES,/* one all types queue */
.nb_event_ports = nb_ports,
.nb_events_limit = 4096,
.nb_event_queue_flows = opt->nb_flows,
.nb_event_port_dequeue_depth = 128,
.nb_event_port_enqueue_depth = 128,
};
ret = rte_event_dev_configure(opt->dev_id, &config);
if (ret) {
evt_err("failed to configure eventdev %d", opt->dev_id);
return ret;
}
/* q0 all types queue configuration */
struct rte_event_queue_conf q0_conf = {
.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
.event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
.nb_atomic_flows = opt->nb_flows,
.nb_atomic_order_sequences = opt->nb_flows,
};
ret = rte_event_queue_setup(opt->dev_id, 0, &q0_conf);
if (ret) {
evt_err("failed to setup queue0 eventdev %d", opt->dev_id);
return ret;
}
/* setup one port per worker, linking to all queues */
ret = order_event_dev_port_setup(test, opt, nb_workers, NB_QUEUES);
if (ret)
return ret;
ret = evt_service_setup(opt->dev_id);
if (ret) {
evt_err("No service lcore found to run event dev.");
return ret;
}
ret = rte_event_dev_start(opt->dev_id);
if (ret) {
evt_err("failed to start eventdev %d", opt->dev_id);
return ret;
}
return 0;
}
static void
order_atq_opt_dump(struct evt_options *opt)
{
order_opt_dump(opt);
evt_dump("nb_evdev_queues", "%d", NB_QUEUES);
}
static bool
order_atq_capability_check(struct evt_options *opt)
{
struct rte_event_dev_info dev_info;
rte_event_dev_info_get(opt->dev_id, &dev_info);
if (dev_info.max_event_queues < NB_QUEUES || dev_info.max_event_ports <
order_nb_event_ports(opt)) {
evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
NB_QUEUES, dev_info.max_event_queues,
order_nb_event_ports(opt), dev_info.max_event_ports);
return false;
}
if (!evt_has_all_types_queue(opt->dev_id))
return false;
return true;
}
static const struct evt_test_ops order_atq = {
.cap_check = order_atq_capability_check,
.opt_check = order_opt_check,
.opt_dump = order_atq_opt_dump,
.test_setup = order_test_setup,
.mempool_setup = order_mempool_setup,
.eventdev_setup = order_atq_eventdev_setup,
.launch_lcores = order_atq_launch_lcores,
.eventdev_destroy = order_eventdev_destroy,
.mempool_destroy = order_mempool_destroy,
.test_result = order_test_result,
.test_destroy = order_test_destroy,
};
EVT_TEST_REGISTER(order_atq);
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