[dpdk-dev] [PATCH 34/39] app/test: octeontx flow based maximum stage pipeline

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

Add flow based pipeline test with maximum number of stages available
in the device.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
 app/test/test_eventdev_octeontx.c | 70 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/app/test/test_eventdev_octeontx.c b/app/test/test_eventdev_octeontx.c
index 2265576..da1da62 100644
--- a/app/test/test_eventdev_octeontx.c
+++ b/app/test/test_eventdev_octeontx.c
@@ -1103,6 +1103,74 @@ test_multi_port_queue_parallel_to_parallel(void)
 	return test_multiport_queue_sched_type_test(RTE_SCHED_TYPE_PARALLEL,
 				RTE_SCHED_TYPE_PARALLEL);
 }
+
+static int
+worker_flow_based_pipeline_max_stages_rand_sched_type(void *arg)
+{
+	struct test_core_param *param = arg;
+	struct rte_event ev;
+	uint16_t valid_event;
+	uint8_t port = param->port;
+	rte_atomic32_t *total_events = param->total_events;
+
+	while (rte_atomic32_read(total_events) > 0) {
+		valid_event = rte_event_dequeue_burst(evdev, port, &ev, 1, 0);
+		if (!valid_event)
+			continue;
+
+		if (ev.sub_event_type == 255) { /* last stage */
+			rte_pktmbuf_free(ev.mbuf);
+			rte_atomic32_sub(total_events, 1);
+		} else {
+			ev.event_type = RTE_EVENT_TYPE_CPU;
+			ev.sub_event_type++;
+			ev.sched_type =
+				rte_rand() % (RTE_SCHED_TYPE_PARALLEL + 1);
+			ev.op = RTE_EVENT_OP_FORWARD;
+			rte_event_enqueue_burst(evdev, port, &ev, 1);
+		}
+	}
+	return 0;
+}
+
+static int
+launch_multi_port_max_stages_random_sched_type(int (*fn)(void *))
+{
+	uint8_t nr_ports;
+	int ret;
+
+	nr_ports = RTE_MIN(rte_event_port_count(evdev), rte_lcore_count() - 1);
+
+	if (!nr_ports) {
+		printf("%s: Not enough ports=%d or workers=%d\n", __func__,
+			rte_event_port_count(evdev), rte_lcore_count() - 1);
+		return TEST_SUCCESS;
+	}
+
+	/* Injects events with m->seqn=0 to total_events */
+	ret = inject_events(
+		0x1 /*flow_id */,
+		RTE_EVENT_TYPE_CPU /* event_type */,
+		0 /* sub_event_type (stage 0) */,
+		rte_rand() % (RTE_SCHED_TYPE_PARALLEL + 1) /* sched_type */,
+		0 /* queue */,
+		0 /* port */,
+		MAX_EVENTS /* events */);
+	if (ret)
+		return TEST_FAILED;
+
+	return launch_workers_and_wait(fn, fn, MAX_EVENTS, nr_ports,
+					 0xff /* invalid */);
+}
+
+/* Flow based pipeline with maximum stages with random sched type */
+static int
+test_multi_port_flow_max_stages_random_sched_type(void)
+{
+	return launch_multi_port_max_stages_random_sched_type(
+		worker_flow_based_pipeline_max_stages_rand_sched_type);
+}
+
 static struct unit_test_suite eventdev_octeontx_testsuite  = {
 	.suite_name = "eventdev octeontx unit test suite",
 	.setup = testsuite_setup,
@@ -1160,6 +1228,8 @@ static struct unit_test_suite eventdev_octeontx_testsuite  = {
 			test_multi_port_queue_parallel_to_ordered),
 		TEST_CASE_ST(eventdev_setup, eventdev_teardown,
 			test_multi_port_queue_parallel_to_parallel),
+		TEST_CASE_ST(eventdev_setup, eventdev_teardown,
+			test_multi_port_flow_max_stages_random_sched_type),
 		TEST_CASES_END() /**< NULL terminate unit test array */
 	}
 };
-- 
2.5.5