test/eventdev: add octeontx simple enq/deq tests

Added unit test case to verify simple event enqueue and dequeue
operation with different schedule types

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

diff --git a/test/test/test_eventdev_octeontx.c b/test/test/test_eventdev_octeontx.c
index a93e36e..c66e8d7 100644 (file)
--- a/test/test/test_eventdev_octeontx.c
+++ b/test/test/test_eventdev_octeontx.c
@@ -52,6 +52,16 @@
 #define MAX_EVENTS  (16 * 1024)
 
 static int evdev;
+static struct rte_mempool *eventdev_test_mempool;
+
+struct event_attr {
+       uint32_t flow_id;
+       uint8_t event_type;
+       uint8_t sub_event_type;
+       uint8_t sched_type;
+       uint8_t queue;
+       uint8_t port;
+};
 
 static int
 testsuite_setup(void)
@@ -82,11 +92,306 @@ testsuite_teardown(void)
        rte_event_dev_close(evdev);
 }
 
+static inline void
+devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
+                       struct rte_event_dev_info *info)
+{
+       memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
+       dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
+       dev_conf->nb_event_ports = info->max_event_ports;
+       dev_conf->nb_event_queues = info->max_event_queues;
+       dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
+       dev_conf->nb_event_port_dequeue_depth =
+                       info->max_event_port_dequeue_depth;
+       dev_conf->nb_event_port_enqueue_depth =
+                       info->max_event_port_enqueue_depth;
+       dev_conf->nb_event_port_enqueue_depth =
+                       info->max_event_port_enqueue_depth;
+       dev_conf->nb_events_limit =
+                       info->max_num_events;
+}
+
+enum {
+       TEST_EVENTDEV_SETUP_DEFAULT,
+       TEST_EVENTDEV_SETUP_PRIORITY,
+       TEST_EVENTDEV_SETUP_DEQUEUE_TIMEOUT,
+};
+
+static inline int
+_eventdev_setup(int mode)
+{
+       int i, ret;
+       struct rte_event_dev_config dev_conf;
+       struct rte_event_dev_info info;
+       const char *pool_name = "evdev_octeontx_test_pool";
+
+       /* Create and destrory pool for each test case to make it standalone */
+       eventdev_test_mempool = rte_pktmbuf_pool_create(pool_name,
+                                       MAX_EVENTS,
+                                       0 /*MBUF_CACHE_SIZE*/,
+                                       0,
+                                       512, /* Use very small mbufs */
+                                       rte_socket_id());
+       if (!eventdev_test_mempool) {
+               printf("ERROR creating mempool\n");
+               return TEST_FAILED;
+       }
+
+       ret = rte_event_dev_info_get(evdev, &info);
+       TEST_ASSERT_SUCCESS(ret, "Failed to get event dev info");
+       TEST_ASSERT(info.max_num_events >= (int32_t)MAX_EVENTS,
+                       "max_num_events=%d < max_events=%d",
+                       info.max_num_events, MAX_EVENTS);
+
+       devconf_set_default_sane_values(&dev_conf, &info);
+       if (mode == TEST_EVENTDEV_SETUP_DEQUEUE_TIMEOUT)
+               dev_conf.event_dev_cfg |= RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT;
+
+       ret = rte_event_dev_configure(evdev, &dev_conf);
+       TEST_ASSERT_SUCCESS(ret, "Failed to configure eventdev");
+
+       if (mode == TEST_EVENTDEV_SETUP_PRIORITY) {
+               /* Configure event queues(0 to n) with
+                * RTE_EVENT_DEV_PRIORITY_HIGHEST to
+                * RTE_EVENT_DEV_PRIORITY_LOWEST
+                */
+               uint8_t step = (RTE_EVENT_DEV_PRIORITY_LOWEST + 1) /
+                               rte_event_queue_count(evdev);
+               for (i = 0; i < rte_event_queue_count(evdev); i++) {
+                       struct rte_event_queue_conf queue_conf;
+
+                       ret = rte_event_queue_default_conf_get(evdev, i,
+                                               &queue_conf);
+                       TEST_ASSERT_SUCCESS(ret, "Failed to get def_conf%d", i);
+                       queue_conf.priority = i * step;
+                       ret = rte_event_queue_setup(evdev, i, &queue_conf);
+                       TEST_ASSERT_SUCCESS(ret, "Failed to setup queue=%d", i);
+               }
+
+       } else {
+               /* Configure event queues with default priority */
+               for (i = 0; i < rte_event_queue_count(evdev); i++) {
+                       ret = rte_event_queue_setup(evdev, i, NULL);
+                       TEST_ASSERT_SUCCESS(ret, "Failed to setup queue=%d", i);
+               }
+       }
+       /* Configure event ports */
+       for (i = 0; i < rte_event_port_count(evdev); i++) {
+               ret = rte_event_port_setup(evdev, i, NULL);
+               TEST_ASSERT_SUCCESS(ret, "Failed to setup port=%d", i);
+               ret = rte_event_port_link(evdev, i, NULL, NULL, 0);
+               TEST_ASSERT(ret >= 0, "Failed to link all queues port=%d", i);
+       }
+
+       ret = rte_event_dev_start(evdev);
+       TEST_ASSERT_SUCCESS(ret, "Failed to start device");
+
+       return TEST_SUCCESS;
+}
+
+static inline int
+eventdev_setup(void)
+{
+       return _eventdev_setup(TEST_EVENTDEV_SETUP_DEFAULT);
+}
+
+static inline void
+eventdev_teardown(void)
+{
+       rte_event_dev_stop(evdev);
+       rte_mempool_free(eventdev_test_mempool);
+}
+
+static inline void
+update_event_and_validation_attr(struct rte_mbuf *m, struct rte_event *ev,
+                       uint32_t flow_id, uint8_t event_type,
+                       uint8_t sub_event_type, uint8_t sched_type,
+                       uint8_t queue, uint8_t port)
+{
+       struct event_attr *attr;
+
+       /* Store the event attributes in mbuf for future reference */
+       attr = rte_pktmbuf_mtod(m, struct event_attr *);
+       attr->flow_id = flow_id;
+       attr->event_type = event_type;
+       attr->sub_event_type = sub_event_type;
+       attr->sched_type = sched_type;
+       attr->queue = queue;
+       attr->port = port;
+
+       ev->flow_id = flow_id;
+       ev->sub_event_type = sub_event_type;
+       ev->event_type = event_type;
+       /* Inject the new event */
+       ev->op = RTE_EVENT_OP_NEW;
+       ev->sched_type = sched_type;
+       ev->queue_id = queue;
+       ev->mbuf = m;
+}
+
+static inline int
+inject_events(uint32_t flow_id, uint8_t event_type, uint8_t sub_event_type,
+               uint8_t sched_type, uint8_t queue, uint8_t port,
+               unsigned int events)
+{
+       struct rte_mbuf *m;
+       unsigned int i;
+
+       for (i = 0; i < events; i++) {
+               struct rte_event ev = {.event = 0, .u64 = 0};
+
+               m = rte_pktmbuf_alloc(eventdev_test_mempool);
+               TEST_ASSERT_NOT_NULL(m, "mempool alloc failed");
+
+               m->seqn = i;
+               update_event_and_validation_attr(m, &ev, flow_id, event_type,
+                       sub_event_type, sched_type, queue, port);
+               rte_event_enqueue_burst(evdev, port, &ev, 1);
+       }
+       return 0;
+}
+
+static inline int
+check_excess_events(uint8_t port)
+{
+       int i;
+       uint16_t valid_event;
+       struct rte_event ev;
+
+       /* Check for excess events, try for a few times and exit */
+       for (i = 0; i < 32; i++) {
+               valid_event = rte_event_dequeue_burst(evdev, port, &ev, 1, 0);
+
+               TEST_ASSERT_SUCCESS(valid_event, "Unexpected valid event=%d",
+                                       ev.mbuf->seqn);
+       }
+       return 0;
+}
+
+static inline int
+validate_event(struct rte_event *ev)
+{
+       struct event_attr *attr;
+
+       attr = rte_pktmbuf_mtod(ev->mbuf, struct event_attr *);
+       TEST_ASSERT_EQUAL(attr->flow_id, ev->flow_id,
+                       "flow_id mismatch enq=%d deq =%d",
+                       attr->flow_id, ev->flow_id);
+       TEST_ASSERT_EQUAL(attr->event_type, ev->event_type,
+                       "event_type mismatch enq=%d deq =%d",
+                       attr->event_type, ev->event_type);
+       TEST_ASSERT_EQUAL(attr->sub_event_type, ev->sub_event_type,
+                       "sub_event_type mismatch enq=%d deq =%d",
+                       attr->sub_event_type, ev->sub_event_type);
+       TEST_ASSERT_EQUAL(attr->sched_type, ev->sched_type,
+                       "sched_type mismatch enq=%d deq =%d",
+                       attr->sched_type, ev->sched_type);
+       TEST_ASSERT_EQUAL(attr->queue, ev->queue_id,
+                       "queue mismatch enq=%d deq =%d",
+                       attr->queue, ev->queue_id);
+       return 0;
+}
+
+typedef int (*validate_event_cb)(uint32_t index, uint8_t port,
+                                struct rte_event *ev);
+
+static inline int
+consume_events(uint8_t port, const uint32_t total_events, validate_event_cb fn)
+{
+       int ret;
+       uint16_t valid_event;
+       uint32_t events = 0, forward_progress_cnt = 0, index = 0;
+       struct rte_event ev;
+
+       while (1) {
+               if (++forward_progress_cnt > UINT16_MAX) {
+                       printf("Detected deadlock\n");
+                       return TEST_FAILED;
+               }
+
+               valid_event = rte_event_dequeue_burst(evdev, port, &ev, 1, 0);
+               if (!valid_event)
+                       continue;
+
+               forward_progress_cnt = 0;
+               ret = validate_event(&ev);
+               if (ret)
+                       return TEST_FAILED;
+
+               if (fn != NULL) {
+                       ret = fn(index, port, &ev);
+                       TEST_ASSERT_SUCCESS(ret,
+                               "Failed to validate test specific event");
+               }
+
+               ++index;
+
+               rte_pktmbuf_free(ev.mbuf);
+               if (++events >= total_events)
+                       break;
+       }
+
+       return check_excess_events(port);
+}
+
+static int
+validate_simple_enqdeq(uint32_t index, uint8_t port, struct rte_event *ev)
+{
+       RTE_SET_USED(port);
+       TEST_ASSERT_EQUAL(index, ev->mbuf->seqn, "index=%d != seqn=%d", index,
+                                       ev->mbuf->seqn);
+       return 0;
+}
+
+static inline int
+test_simple_enqdeq(uint8_t sched_type)
+{
+       int ret;
+
+       ret = inject_events(0 /*flow_id */,
+                               RTE_EVENT_TYPE_CPU /* event_type */,
+                               0 /* sub_event_type */,
+                               sched_type,
+                               0 /* queue */,
+                               0 /* port */,
+                               MAX_EVENTS);
+       if (ret)
+               return TEST_FAILED;
+
+       return consume_events(0 /* port */, MAX_EVENTS, validate_simple_enqdeq);
+}
+
+static int
+test_simple_enqdeq_ordered(void)
+{
+       return test_simple_enqdeq(RTE_SCHED_TYPE_ORDERED);
+}
+
+static int
+test_simple_enqdeq_atomic(void)
+{
+       return test_simple_enqdeq(RTE_SCHED_TYPE_ATOMIC);
+}
+
+static int
+test_simple_enqdeq_parallel(void)
+{
+       return test_simple_enqdeq(RTE_SCHED_TYPE_PARALLEL);
+}
 
 static struct unit_test_suite eventdev_octeontx_testsuite  = {
        .suite_name = "eventdev octeontx unit test suite",
        .setup = testsuite_setup,
        .teardown = testsuite_teardown,
+       .unit_test_cases = {
+               TEST_CASE_ST(eventdev_setup, eventdev_teardown,
+                       test_simple_enqdeq_ordered),
+               TEST_CASE_ST(eventdev_setup, eventdev_teardown,
+                       test_simple_enqdeq_atomic),
+               TEST_CASE_ST(eventdev_setup, eventdev_teardown,
+                       test_simple_enqdeq_parallel),
+               TEST_CASES_END() /**< NULL terminate unit test array */
+       }
 };
 
 static int