[dpdk-dev] [PATCH v6 15/21] test/eventdev: add SW test infrastructure

[Harry van Haaren <harry.van.haaren@intel.com>]

Add the test infrastructure, create and destroy the test
instance.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>

Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 test/test/Makefile           |   5 +-
 test/test/autotest_data.py   |  26 ++++
 test/test/test_eventdev_sw.c | 358 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 388 insertions(+), 1 deletion(-)
 create mode 100644 test/test/test_eventdev_sw.c

diff --git a/test/test/Makefile b/test/test/Makefile
index a426548..dc92d9c 100644
--- a/test/test/Makefile
+++ b/test/test/Makefile
@@ -197,7 +197,10 @@ SRCS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += test_cryptodev_blockcipher.c
 SRCS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += test_cryptodev_perf.c
 SRCS-$(CONFIG_RTE_LIBRTE_CRYPTODEV) += test_cryptodev.c
 
-SRCS-$(CONFIG_RTE_LIBRTE_EVENTDEV) += test_eventdev.c
+ifeq ($(CONFIG_RTE_LIBRTE_EVENTDEV),y)
+SRCS-y += test_eventdev.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_SW_EVENTDEV) += test_eventdev_sw.c
+endif
 
 SRCS-$(CONFIG_RTE_LIBRTE_KVARGS) += test_kvargs.c
 
diff --git a/test/test/autotest_data.py b/test/test/autotest_data.py
index 0cd598b..165ed6c 100644
--- a/test/test/autotest_data.py
+++ b/test/test/autotest_data.py
@@ -346,6 +346,32 @@ def per_sockets(num):
 non_parallel_test_group_list = [
 
     {
+        "Prefix":    "eventdev",
+        "Memory":    "512",
+        "Tests":
+        [
+            {
+                "Name":    "Eventdev common autotest",
+                "Command": "eventdev_common_autotest",
+                "Func":    default_autotest,
+                "Report":  None,
+            },
+        ]
+    },
+    {
+        "Prefix":    "eventdev_sw",
+        "Memory":    "512",
+        "Tests":
+        [
+            {
+                "Name":    "Eventdev sw autotest",
+                "Command": "eventdev_sw_autotest",
+                "Func":    default_autotest,
+                "Report":  None,
+            },
+        ]
+    },
+    {
         "Prefix":    "kni",
         "Memory":    "512",
         "Tests":
diff --git a/test/test/test_eventdev_sw.c b/test/test/test_eventdev_sw.c
new file mode 100644
index 0000000..808b7b3
--- /dev/null
+++ b/test/test/test_eventdev_sw.c
@@ -0,0 +1,358 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   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 Intel Corporation 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 <string.h>
+#include <stdint.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/queue.h>
+
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_cycles.h>
+
+#include <rte_eventdev.h>
+#include "test.h"
+
+#define MAX_PORTS 16
+#define MAX_QIDS 16
+#define NUM_PACKETS (1<<18)
+
+static int evdev;
+
+struct test {
+	struct rte_mempool *mbuf_pool;
+	uint8_t port[MAX_PORTS];
+	uint8_t qid[MAX_QIDS];
+	int nb_qids;
+};
+
+static inline struct rte_mbuf *
+rte_gen_arp(int portid, struct rte_mempool *mp)
+{
+	/*
+	 * len = 14 + 46
+	 * ARP, Request who-has 10.0.0.1 tell 10.0.0.2, length 46
+	 */
+	static const uint8_t arp_request[] = {
+		/*0x0000:*/ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xec, 0xa8,
+		0x6b, 0xfd, 0x02, 0x29, 0x08, 0x06, 0x00, 0x01,
+		/*0x0010:*/ 0x08, 0x00, 0x06, 0x04, 0x00, 0x01, 0xec, 0xa8,
+		0x6b, 0xfd, 0x02, 0x29, 0x0a, 0x00, 0x00, 0x01,
+		/*0x0020:*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00,
+		0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		/*0x0030:*/ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00
+	};
+	struct rte_mbuf *m;
+	int pkt_len = sizeof(arp_request) - 1;
+
+	m = rte_pktmbuf_alloc(mp);
+	if (!m)
+		return 0;
+
+	memcpy((void *)((uintptr_t)m->buf_addr + m->data_off),
+		arp_request, pkt_len);
+	rte_pktmbuf_pkt_len(m) = pkt_len;
+	rte_pktmbuf_data_len(m) = pkt_len;
+
+	RTE_SET_USED(portid);
+
+	return m;
+}
+
+/* initialization and config */
+static inline int
+init(struct test *t, int nb_queues, int nb_ports)
+{
+	struct rte_event_dev_config config = {
+			.nb_event_queues = nb_queues,
+			.nb_event_ports = nb_ports,
+			.nb_event_queue_flows = 1024,
+			.nb_events_limit = 4096,
+			.nb_event_port_dequeue_depth = 128,
+			.nb_event_port_enqueue_depth = 128,
+	};
+	int ret;
+
+	void *temp = t->mbuf_pool; /* save and restore mbuf pool */
+
+	memset(t, 0, sizeof(*t));
+	t->mbuf_pool = temp;
+
+	ret = rte_event_dev_configure(evdev, &config);
+	if (ret < 0)
+		printf("%d: Error configuring device\n", __LINE__);
+	return ret;
+};
+
+static inline int
+create_ports(struct test *t, int num_ports)
+{
+	int i;
+	static const struct rte_event_port_conf conf = {
+			.new_event_threshold = 1024,
+			.dequeue_depth = 32,
+			.enqueue_depth = 64,
+	};
+	if (num_ports > MAX_PORTS)
+		return -1;
+
+	for (i = 0; i < num_ports; i++) {
+		if (rte_event_port_setup(evdev, i, &conf) < 0) {
+			printf("Error setting up port %d\n", i);
+			return -1;
+		}
+		t->port[i] = i;
+	}
+
+	return 0;
+}
+
+static inline int
+create_lb_qids(struct test *t, int num_qids, uint32_t flags)
+{
+	int i;
+
+	/* Q creation */
+	const struct rte_event_queue_conf conf = {
+			.event_queue_cfg = flags,
+			.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
+			.nb_atomic_flows = 1024,
+			.nb_atomic_order_sequences = 1024,
+	};
+
+	for (i = t->nb_qids; i < t->nb_qids + num_qids; i++) {
+		if (rte_event_queue_setup(evdev, i, &conf) < 0) {
+			printf("%d: error creating qid %d\n", __LINE__, i);
+			return -1;
+		}
+		t->qid[i] = i;
+	}
+	t->nb_qids += num_qids;
+	if (t->nb_qids > MAX_QIDS)
+		return -1;
+
+	return 0;
+}
+
+static inline int
+create_atomic_qids(struct test *t, int num_qids)
+{
+	return create_lb_qids(t, num_qids, RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY);
+}
+
+static inline int
+create_ordered_qids(struct test *t, int num_qids)
+{
+	return create_lb_qids(t, num_qids, RTE_EVENT_QUEUE_CFG_ORDERED_ONLY);
+}
+
+
+static inline int
+create_unordered_qids(struct test *t, int num_qids)
+{
+	return create_lb_qids(t, num_qids, RTE_EVENT_QUEUE_CFG_PARALLEL_ONLY);
+}
+
+static inline int
+create_directed_qids(struct test *t, int num_qids, const uint8_t ports[])
+{
+	int i;
+
+	/* Q creation */
+	static const struct rte_event_queue_conf conf = {
+			.priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
+			.event_queue_cfg = RTE_EVENT_QUEUE_CFG_SINGLE_LINK,
+			.nb_atomic_flows = 1024,
+			.nb_atomic_order_sequences = 1024,
+	};
+
+	for (i = t->nb_qids; i < t->nb_qids + num_qids; i++) {
+		if (rte_event_queue_setup(evdev, i, &conf) < 0) {
+			printf("%d: error creating qid %d\n", __LINE__, i);
+			return -1;
+		}
+		t->qid[i] = i;
+
+		if (rte_event_port_link(evdev, ports[i - t->nb_qids],
+				&t->qid[i], NULL, 1) != 1) {
+			printf("%d: error creating link for qid %d\n",
+					__LINE__, i);
+			return -1;
+		}
+	}
+	t->nb_qids += num_qids;
+	if (t->nb_qids > MAX_QIDS)
+		return -1;
+
+	return 0;
+}
+
+/* destruction */
+static inline int
+cleanup(struct test *t __rte_unused)
+{
+	rte_event_dev_stop(evdev);
+	rte_event_dev_close(evdev);
+	return 0;
+};
+
+struct test_event_dev_stats {
+	uint64_t rx_pkts;       /**< Total packets received */
+	uint64_t rx_dropped;    /**< Total packets dropped (Eg Invalid QID) */
+	uint64_t tx_pkts;       /**< Total packets transmitted */
+
+	/** Packets received on this port */
+	uint64_t port_rx_pkts[MAX_PORTS];
+	/** Packets dropped on this port */
+	uint64_t port_rx_dropped[MAX_PORTS];
+	/** Packets inflight on this port */
+	uint64_t port_inflight[MAX_PORTS];
+	/** Packets transmitted on this port */
+	uint64_t port_tx_pkts[MAX_PORTS];
+	/** Packets received on this qid */
+	uint64_t qid_rx_pkts[MAX_QIDS];
+	/** Packets dropped on this qid */
+	uint64_t qid_rx_dropped[MAX_QIDS];
+	/** Packets transmitted on this qid */
+	uint64_t qid_tx_pkts[MAX_QIDS];
+};
+
+static inline int
+test_event_dev_stats_get(int dev_id, struct test_event_dev_stats *stats)
+{
+	static uint32_t i;
+	static uint32_t total_ids[3]; /* rx, tx and drop */
+	static uint32_t port_rx_pkts_ids[MAX_PORTS];
+	static uint32_t port_rx_dropped_ids[MAX_PORTS];
+	static uint32_t port_inflight_ids[MAX_PORTS];
+	static uint32_t port_tx_pkts_ids[MAX_PORTS];
+	static uint32_t qid_rx_pkts_ids[MAX_QIDS];
+	static uint32_t qid_rx_dropped_ids[MAX_QIDS];
+	static uint32_t qid_tx_pkts_ids[MAX_QIDS];
+
+
+	stats->rx_pkts = rte_event_dev_xstats_by_name_get(dev_id,
+			"dev_rx", &total_ids[0]);
+	stats->rx_dropped = rte_event_dev_xstats_by_name_get(dev_id,
+			"dev_drop", &total_ids[1]);
+	stats->tx_pkts = rte_event_dev_xstats_by_name_get(dev_id,
+			"dev_tx", &total_ids[2]);
+	for (i = 0; i < MAX_PORTS; i++) {
+		char name[32];
+		snprintf(name, sizeof(name), "port_%u_rx", i);
+		stats->port_rx_pkts[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &port_rx_pkts_ids[i]);
+		snprintf(name, sizeof(name), "port_%u_drop", i);
+		stats->port_rx_dropped[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &port_rx_dropped_ids[i]);
+		snprintf(name, sizeof(name), "port_%u_inflight", i);
+		stats->port_inflight[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &port_inflight_ids[i]);
+		snprintf(name, sizeof(name), "port_%u_tx", i);
+		stats->port_tx_pkts[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &port_tx_pkts_ids[i]);
+	}
+	for (i = 0; i < MAX_QIDS; i++) {
+		char name[32];
+		snprintf(name, sizeof(name), "qid_%u_rx", i);
+		stats->qid_rx_pkts[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &qid_rx_pkts_ids[i]);
+		snprintf(name, sizeof(name), "qid_%u_drop", i);
+		stats->qid_rx_dropped[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &qid_rx_dropped_ids[i]);
+		snprintf(name, sizeof(name), "qid_%u_tx", i);
+		stats->qid_tx_pkts[i] = rte_event_dev_xstats_by_name_get(
+				dev_id, name, &qid_tx_pkts_ids[i]);
+	}
+
+	return 0;
+}
+
+static struct rte_mempool *eventdev_func_mempool;
+
+static int
+test_sw_eventdev(void)
+{
+	struct test *t = malloc(sizeof(struct test));
+
+	const char *eventdev_name = "event_sw0";
+	evdev = rte_event_dev_get_dev_id(eventdev_name);
+	if (evdev < 0) {
+		printf("%d: Eventdev %s not found - creating.\n",
+				__LINE__, eventdev_name);
+		if (rte_eal_vdev_init(eventdev_name, NULL) < 0) {
+			printf("Error creating eventdev\n");
+			return -1;
+		}
+		evdev = rte_event_dev_get_dev_id(eventdev_name);
+		if (evdev < 0) {
+			printf("Error finding newly created eventdev\n");
+			return -1;
+		}
+	}
+
+	/* Only create mbuf pool once, reuse for each test run */
+	if (!eventdev_func_mempool) {
+		eventdev_func_mempool = rte_pktmbuf_pool_create(
+				"EVENTDEV_SW_SA_MBUF_POOL",
+				(1<<12), /* 4k buffers */
+				32 /*MBUF_CACHE_SIZE*/,
+				0,
+				512, /* use very small mbufs */
+				rte_socket_id());
+		if (!eventdev_func_mempool) {
+			printf("ERROR creating mempool\n");
+			return -1;
+		}
+	}
+	t->mbuf_pool = eventdev_func_mempool;
+
+	/*
+	 * Free test instance, leaving mempool initialized, and a pointer to it
+	 * in static eventdev_func_mempool, as it is re-used on re-runs
+	 */
+	free(t);
+
+	return 0;
+}
+
+REGISTER_TEST_COMMAND(eventdev_sw_autotest, test_sw_eventdev);
-- 
2.7.4