X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest%2Ftest_efd.c;fp=test%2Ftest%2Ftest_efd.c;h=544306166a2e20ac1ca1af4d7dccefb887761475;hb=7595afa4d30097c1177b69257118d8ad89a539be;hp=0000000000000000000000000000000000000000;hpb=ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6;p=deb_dpdk.git

diff --git a/test/test/test_efd.c b/test/test/test_efd.c
new file mode 100644
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--- /dev/null
+++ b/test/test/test_efd.c
@@ -0,0 +1,500 @@
+/*-
+ *   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 <rte_memcpy.h>
+#include <rte_malloc.h>
+#include <rte_efd.h>
+#include <rte_byteorder.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ip.h>
+
+#include "test.h"
+
+#define EFD_TEST_KEY_LEN 8
+#define TABLE_SIZE (1 << 21)
+#define ITERATIONS 3
+
+#if RTE_EFD_VALUE_NUM_BITS == 32
+#define VALUE_BITMASK 0xffffffff
+#else
+#define VALUE_BITMASK ((1 << RTE_EFD_VALUE_NUM_BITS) - 1)
+#endif
+static unsigned int test_socket_id;
+
+/* 5-tuple key type */
+struct flow_key {
+	uint32_t ip_src;
+	uint32_t ip_dst;
+	uint16_t port_src;
+	uint16_t port_dst;
+	uint8_t proto;
+} __attribute__((packed));
+/*
+ * Print out result of unit test efd operation.
+ */
+#if defined(UNIT_TEST_EFD_VERBOSE)
+
+static void print_key_info(const char *msg, const struct flow_key *key,
+		efd_value_t val)
+{
+	const uint8_t *p = (const uint8_t *) key;
+	unsigned int i;
+
+	printf("%s key:0x", msg);
+	for (i = 0; i < sizeof(struct flow_key); i++)
+		printf("%02X", p[i]);
+
+	printf(" @ val %d\n", val);
+}
+#else
+
+static void print_key_info(__attribute__((unused)) const char *msg,
+		__attribute__((unused)) const struct flow_key *key,
+		__attribute__((unused)) efd_value_t val)
+{
+}
+#endif
+
+/* Keys used by unit test functions */
+static struct flow_key keys[5] = {
+	{
+		.ip_src = IPv4(0x03, 0x02, 0x01, 0x00),
+		.ip_dst = IPv4(0x07, 0x06, 0x05, 0x04),
+		.port_src = 0x0908,
+		.port_dst = 0x0b0a,
+		.proto = 0x0c,
+	},
+	{
+		.ip_src = IPv4(0x13, 0x12, 0x11, 0x10),
+		.ip_dst = IPv4(0x17, 0x16, 0x15, 0x14),
+		.port_src = 0x1918,
+		.port_dst = 0x1b1a,
+		.proto = 0x1c,
+	},
+	{
+		.ip_src = IPv4(0x23, 0x22, 0x21, 0x20),
+		.ip_dst = IPv4(0x27, 0x26, 0x25, 0x24),
+		.port_src = 0x2928,
+		.port_dst = 0x2b2a,
+		.proto = 0x2c,
+	},
+	{
+		.ip_src = IPv4(0x33, 0x32, 0x31, 0x30),
+		.ip_dst = IPv4(0x37, 0x36, 0x35, 0x34),
+		.port_src = 0x3938,
+		.port_dst = 0x3b3a,
+		.proto = 0x3c,
+	},
+	{
+		.ip_src = IPv4(0x43, 0x42, 0x41, 0x40),
+		.ip_dst = IPv4(0x47, 0x46, 0x45, 0x44),
+		.port_src = 0x4948,
+		.port_dst = 0x4b4a,
+		.proto = 0x4c,
+	}
+};
+/* Array to store the data */
+efd_value_t data[5];
+
+static inline uint8_t efd_get_all_sockets_bitmask(void)
+{
+	uint8_t all_cpu_sockets_bitmask = 0;
+	unsigned int i;
+	unsigned int next_lcore = rte_get_master_lcore();
+	const int val_true = 1, val_false = 0;
+	for (i = 0; i < rte_lcore_count(); i++) {
+		all_cpu_sockets_bitmask |= 1 << rte_lcore_to_socket_id(next_lcore);
+		next_lcore = rte_get_next_lcore(next_lcore, val_false, val_true);
+	}
+
+	return all_cpu_sockets_bitmask;
+}
+
+/*
+ * Basic sequence of operations for a single key:
+ *      - add
+ *      - lookup (hit)
+ *      - delete
+ * Note: lookup (miss) is not applicable since this is a filter
+ */
+static int test_add_delete(void)
+{
+	struct rte_efd_table *handle;
+	/* test with standard add/lookup/delete functions */
+	efd_value_t prev_value;
+	printf("Entering %s\n", __func__);
+
+	handle = rte_efd_create("test_add_delete",
+			TABLE_SIZE, sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), test_socket_id);
+	TEST_ASSERT_NOT_NULL(handle, "Error creating the EFD table\n");
+
+	data[0] = mrand48() & VALUE_BITMASK;
+	TEST_ASSERT_SUCCESS(rte_efd_update(handle, test_socket_id, &keys[0],
+			data[0]),
+			"Error inserting the key");
+	print_key_info("Add", &keys[0], data[0]);
+
+	TEST_ASSERT_EQUAL(rte_efd_lookup(handle, test_socket_id, &keys[0]),
+			data[0],
+			"failed to find key");
+
+	TEST_ASSERT_SUCCESS(rte_efd_delete(handle, test_socket_id, &keys[0],
+			&prev_value),
+			"failed to delete key");
+	TEST_ASSERT_EQUAL(prev_value, data[0],
+			"failed to delete the expected value, got %d, "
+			"expected %d", prev_value, data[0]);
+	print_key_info("Del", &keys[0], data[0]);
+
+	rte_efd_free(handle);
+
+	return 0;
+}
+
+/*
+ * Sequence of operations for a single key:
+ *      - add
+ *      - lookup: hit
+ *      - add: update
+ *      - lookup: hit (updated data)
+ *      - delete: hit
+ */
+static int test_add_update_delete(void)
+{
+	struct rte_efd_table *handle;
+	printf("Entering %s\n", __func__);
+	/* test with standard add/lookup/delete functions */
+	efd_value_t prev_value;
+	data[1] = mrand48() & VALUE_BITMASK;
+
+	handle = rte_efd_create("test_add_update_delete", TABLE_SIZE,
+			sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), test_socket_id);
+	TEST_ASSERT_NOT_NULL(handle, "Error creating the efd table\n");
+
+	TEST_ASSERT_SUCCESS(rte_efd_update(handle, test_socket_id, &keys[1],
+			data[1]), "Error inserting the key");
+	print_key_info("Add", &keys[1], data[1]);
+
+	TEST_ASSERT_EQUAL(rte_efd_lookup(handle, test_socket_id, &keys[1]),
+			data[1], "failed to find key");
+	print_key_info("Lkp", &keys[1], data[1]);
+
+	data[1] = data[1] + 1;
+	TEST_ASSERT_SUCCESS(rte_efd_update(handle, test_socket_id, &keys[1],
+			data[1]), "Error re-inserting the key");
+	print_key_info("Add", &keys[1], data[1]);
+
+	TEST_ASSERT_EQUAL(rte_efd_lookup(handle, test_socket_id, &keys[1]),
+			data[1], "failed to find key");
+	print_key_info("Lkp", &keys[1], data[1]);
+
+	TEST_ASSERT_SUCCESS(rte_efd_delete(handle, test_socket_id, &keys[1],
+			&prev_value), "failed to delete key");
+	TEST_ASSERT_EQUAL(prev_value, data[1],
+			"failed to delete the expected value, got %d, "
+			"expected %d", prev_value, data[1]);
+	print_key_info("Del", &keys[1], data[1]);
+
+
+	rte_efd_free(handle);
+	return 0;
+}
+
+/*
+ * Sequence of operations for find existing EFD table
+ *
+ *  - create table
+ *  - find existing table: hit
+ *  - find non-existing table: miss
+ *
+ */
+static int test_efd_find_existing(void)
+{
+	struct rte_efd_table *handle = NULL, *result = NULL;
+
+	printf("Entering %s\n", __func__);
+
+	/* Create EFD table. */
+	handle = rte_efd_create("efd_find_existing", TABLE_SIZE,
+			sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), test_socket_id);
+	TEST_ASSERT_NOT_NULL(handle, "Error creating the efd table\n");
+
+	/* Try to find existing EFD table */
+	result = rte_efd_find_existing("efd_find_existing");
+	TEST_ASSERT_EQUAL(result, handle, "could not find existing efd table");
+
+	/* Try to find non-existing EFD table */
+	result = rte_efd_find_existing("efd_find_non_existing");
+	TEST_ASSERT_NULL(result, "found table that shouldn't exist");
+
+	/* Cleanup. */
+	rte_efd_free(handle);
+
+	return 0;
+}
+
+/*
+ * Sequence of operations for 5 keys
+ *      - add keys
+ *      - lookup keys: hit  (bulk)
+ *      - add keys (update)
+ *      - lookup keys: hit (updated data)
+ *      - delete keys : hit
+ */
+static int test_five_keys(void)
+{
+	struct rte_efd_table *handle;
+	const void *key_array[5] = {0};
+	efd_value_t result[5] = {0};
+	efd_value_t prev_value;
+	unsigned int i;
+	printf("Entering %s\n", __func__);
+
+	handle = rte_efd_create("test_five_keys", TABLE_SIZE,
+			sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), test_socket_id);
+	TEST_ASSERT_NOT_NULL(handle, "Error creating the efd table\n");
+
+	/* Setup data */
+	for (i = 0; i < 5; i++)
+		data[i] = mrand48() & VALUE_BITMASK;
+
+	/* Add */
+	for (i = 0; i < 5; i++) {
+		TEST_ASSERT_SUCCESS(rte_efd_update(handle, test_socket_id,
+				&keys[i], data[i]),
+				"Error inserting the key");
+		print_key_info("Add", &keys[i], data[i]);
+	}
+
+	/* Lookup */
+	for (i = 0; i < 5; i++)
+		key_array[i] = &keys[i];
+
+	rte_efd_lookup_bulk(handle, test_socket_id, 5,
+			(void *) &key_array, result);
+
+	for (i = 0; i < 5; i++) {
+		TEST_ASSERT_EQUAL(result[i], data[i],
+				"bulk: failed to find key. Expected %d, got %d",
+				data[i], result[i]);
+		print_key_info("Lkp", &keys[i], data[i]);
+	}
+
+	/* Modify data (bulk) */
+	for (i = 0; i < 5; i++)
+		data[i] = data[i] + 1;
+
+	/* Add - update */
+	for (i = 0; i < 5; i++) {
+		TEST_ASSERT_SUCCESS(rte_efd_update(handle, test_socket_id,
+				&keys[i], data[i]),
+				"Error inserting the key");
+		print_key_info("Add", &keys[i], data[i]);
+	}
+
+	/* Lookup */
+	for (i = 0; i < 5; i++) {
+		TEST_ASSERT_EQUAL(rte_efd_lookup(handle, test_socket_id,
+				&keys[i]), data[i],
+				"failed to find key");
+		print_key_info("Lkp", &keys[i], data[i]);
+	}
+
+	/* Delete */
+	for (i = 0; i < 5; i++) {
+		TEST_ASSERT_SUCCESS(rte_efd_delete(handle, test_socket_id,
+				&keys[i], &prev_value),
+				"failed to delete key");
+		TEST_ASSERT_EQUAL(prev_value, data[i],
+				"failed to delete the expected value, got %d, "
+				"expected %d", prev_value, data[i]);
+		print_key_info("Del", &keys[i], data[i]);
+	}
+
+
+	rte_efd_free(handle);
+
+	return 0;
+}
+
+/*
+ * Test to see the average table utilization (entries added/max entries)
+ * before hitting a random entry that cannot be added
+ */
+static int test_average_table_utilization(void)
+{
+	struct rte_efd_table *handle = NULL;
+	uint32_t num_rules_in = TABLE_SIZE;
+	uint8_t simple_key[EFD_TEST_KEY_LEN];
+	unsigned int i, j;
+	unsigned int added_keys, average_keys_added = 0;
+
+	printf("Evaluating table utilization and correctness, please wait\n");
+	fflush(stdout);
+
+	for (j = 0; j < ITERATIONS; j++) {
+		handle = rte_efd_create("test_efd", num_rules_in,
+				EFD_TEST_KEY_LEN, efd_get_all_sockets_bitmask(),
+				test_socket_id);
+		if (handle == NULL) {
+			printf("efd table creation failed\n");
+			return -1;
+		}
+
+		unsigned int succeeded = 0;
+		unsigned int lost_keys = 0;
+
+		/* Add random entries until key cannot be added */
+		for (added_keys = 0; added_keys < num_rules_in; added_keys++) {
+
+			for (i = 0; i < EFD_TEST_KEY_LEN; i++)
+				simple_key[i] = rte_rand() & 0xFF;
+
+			efd_value_t val = simple_key[0];
+
+			if (rte_efd_update(handle, test_socket_id, simple_key,
+						val))
+				break; /* continue;*/
+			if (rte_efd_lookup(handle, test_socket_id, simple_key)
+					!= val)
+				lost_keys++;
+			else
+				succeeded++;
+		}
+
+		average_keys_added += succeeded;
+
+		/* Reset the table */
+		rte_efd_free(handle);
+
+		/* Print progress on operations */
+		printf("Added %10u	Succeeded %10u	Lost %10u\n",
+				added_keys, succeeded, lost_keys);
+		fflush(stdout);
+	}
+
+	average_keys_added /= ITERATIONS;
+
+	printf("\nAverage table utilization = %.2f%% (%u/%u)\n",
+			((double) average_keys_added / num_rules_in * 100),
+			average_keys_added, num_rules_in);
+
+	return 0;
+}
+
+/*
+ * Do tests for EFD creation with bad parameters.
+ */
+static int test_efd_creation_with_bad_parameters(void)
+{
+	struct rte_efd_table *handle, *tmp;
+	printf("Entering %s, **Errors are expected **\n", __func__);
+
+	handle = rte_efd_create("creation_with_bad_parameters_0", TABLE_SIZE, 0,
+			efd_get_all_sockets_bitmask(), test_socket_id);
+	if (handle != NULL) {
+		rte_efd_free(handle);
+		printf("Impossible creating EFD table successfully "
+			"if key_len in parameter is zero\n");
+		return -1;
+	}
+
+	handle = rte_efd_create("creation_with_bad_parameters_1", TABLE_SIZE,
+			sizeof(struct flow_key), 0, test_socket_id);
+	if (handle != NULL) {
+		rte_efd_free(handle);
+		printf("Impossible creating EFD table successfully "
+			"with invalid socket bitmask\n");
+		return -1;
+	}
+
+	handle = rte_efd_create("creation_with_bad_parameters_2", TABLE_SIZE,
+			sizeof(struct flow_key), efd_get_all_sockets_bitmask(),
+			255);
+	if (handle != NULL) {
+		rte_efd_free(handle);
+		printf("Impossible creating EFD table successfully "
+			"with invalid socket\n");
+		return -1;
+	}
+
+	/* test with same name should fail */
+	handle = rte_efd_create("same_name", TABLE_SIZE,
+			sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), 0);
+	if (handle == NULL) {
+		printf("Cannot create first EFD table with 'same_name'\n");
+		return -1;
+	}
+	tmp = rte_efd_create("same_name", TABLE_SIZE, sizeof(struct flow_key),
+			efd_get_all_sockets_bitmask(), 0);
+	if (tmp != NULL) {
+		printf("Creation of EFD table with same name should fail\n");
+		rte_efd_free(handle);
+		rte_efd_free(tmp);
+		return -1;
+	}
+	rte_efd_free(handle);
+
+	printf("# Test successful. No more errors expected\n");
+
+	return 0;
+}
+
+static int
+test_efd(void)
+{
+
+	/* Unit tests */
+	if (test_add_delete() < 0)
+		return -1;
+	if (test_efd_find_existing() < 0)
+		return -1;
+	if (test_add_update_delete() < 0)
+		return -1;
+	if (test_five_keys() < 0)
+		return -1;
+	if (test_efd_creation_with_bad_parameters() < 0)
+		return -1;
+	if (test_average_table_utilization() < 0)
+		return -1;
+
+	return 0;
+}
+
+REGISTER_TEST_COMMAND(efd_autotest, test_efd);