--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 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 <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <sys/queue.h>
+
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_cycles.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_spinlock.h>
+#include <rte_malloc.h>
+
+#ifdef RTE_LIBRTE_HASH
+#include <rte_hash.h>
+#include <rte_fbk_hash.h>
+#include <rte_jhash.h>
+#endif /* RTE_LIBRTE_HASH */
+
+#ifdef RTE_LIBRTE_LPM
+#include <rte_lpm.h>
+#endif /* RTE_LIBRTE_LPM */
+
+#include <rte_string_fns.h>
+
+#include "test.h"
+
+typedef int (*case_func_t)(void* arg);
+typedef void (*case_clean_t)(unsigned lcore_id);
+
+#define MAX_STRING_SIZE (256)
+#define MAX_ITER_TIMES (16)
+#define MAX_LPM_ITER_TIMES (8)
+
+#define MEMPOOL_ELT_SIZE (sizeof(uint32_t))
+#define MEMPOOL_SIZE (4)
+
+#define MAX_LCORES RTE_MAX_MEMZONE / (MAX_ITER_TIMES * 4U)
+
+static rte_atomic32_t obj_count = RTE_ATOMIC32_INIT(0);
+static rte_atomic32_t synchro = RTE_ATOMIC32_INIT(0);
+
+#define WAIT_SYNCHRO_FOR_SLAVES() do{ \
+ if (lcore_self != rte_get_master_lcore()) \
+ while (rte_atomic32_read(&synchro) == 0); \
+} while(0)
+
+/*
+ * rte_eal_init only init once
+ */
+static int
+test_eal_init_once(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ rte_atomic32_set(&obj_count, 1); /* silent the check in the caller */
+ if (rte_eal_init(0, NULL) != -1)
+ return -1;
+
+ return 0;
+}
+
+/*
+ * ring create/lookup reentrancy test
+ */
+static int
+ring_create_lookup(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+ struct rte_ring * rp;
+ char ring_name[MAX_STRING_SIZE];
+ int i;
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ /* create the same ring simultaneously on all threads */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ rp = rte_ring_create("fr_test_once", 4096, SOCKET_ID_ANY, 0);
+ if (rp != NULL)
+ rte_atomic32_inc(&obj_count);
+ }
+
+ /* create/lookup new ring several times */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i);
+ rp = rte_ring_create(ring_name, 4096, SOCKET_ID_ANY, 0);
+ if (NULL == rp)
+ return -1;
+ if (rte_ring_lookup(ring_name) != rp)
+ return -1;
+ }
+
+ /* verify all ring created sucessful */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(ring_name, sizeof(ring_name), "fr_test_%d_%d", lcore_self, i);
+ if (rte_ring_lookup(ring_name) == NULL)
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+my_obj_init(struct rte_mempool *mp, __attribute__((unused)) void *arg,
+ void *obj, unsigned i)
+{
+ uint32_t *objnum = obj;
+ memset(obj, 0, mp->elt_size);
+ *objnum = i;
+}
+
+static int
+mempool_create_lookup(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+ struct rte_mempool * mp;
+ char mempool_name[MAX_STRING_SIZE];
+ int i;
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ /* create the same mempool simultaneously on all threads */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ mp = rte_mempool_create("fr_test_once", MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE, 0, 0,
+ NULL, NULL,
+ my_obj_init, NULL,
+ SOCKET_ID_ANY, 0);
+ if (mp != NULL)
+ rte_atomic32_inc(&obj_count);
+ }
+
+ /* create/lookup new ring several times */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i);
+ mp = rte_mempool_create(mempool_name, MEMPOOL_SIZE,
+ MEMPOOL_ELT_SIZE, 0, 0,
+ NULL, NULL,
+ my_obj_init, NULL,
+ SOCKET_ID_ANY, 0);
+ if (NULL == mp)
+ return -1;
+ if (rte_mempool_lookup(mempool_name) != mp)
+ return -1;
+ }
+
+ /* verify all ring created sucessful */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(mempool_name, sizeof(mempool_name), "fr_test_%d_%d", lcore_self, i);
+ if (rte_mempool_lookup(mempool_name) == NULL)
+ return -1;
+ }
+
+ return 0;
+}
+
+#ifdef RTE_LIBRTE_HASH
+static void
+hash_clean(unsigned lcore_id)
+{
+ char hash_name[MAX_STRING_SIZE];
+ struct rte_hash *handle;
+ int i;
+
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_id, i);
+
+ if ((handle = rte_hash_find_existing(hash_name)) != NULL)
+ rte_hash_free(handle);
+ }
+}
+
+static int
+hash_create_free(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+ struct rte_hash *handle;
+ char hash_name[MAX_STRING_SIZE];
+ int i;
+ struct rte_hash_parameters hash_params = {
+ .name = NULL,
+ .entries = 16,
+ .key_len = 4,
+ .hash_func = (rte_hash_function)rte_jhash_32b,
+ .hash_func_init_val = 0,
+ .socket_id = 0,
+ };
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ /* create the same hash simultaneously on all threads */
+ hash_params.name = "fr_test_once";
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ handle = rte_hash_create(&hash_params);
+ if (handle != NULL)
+ rte_atomic32_inc(&obj_count);
+ }
+
+ /* create mutiple times simultaneously */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_self, i);
+ hash_params.name = hash_name;
+
+ handle = rte_hash_create(&hash_params);
+ if (NULL == handle)
+ return -1;
+
+ /* verify correct existing and then free all */
+ if (handle != rte_hash_find_existing(hash_name))
+ return -1;
+
+ rte_hash_free(handle);
+ }
+
+ /* verify free correct */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(hash_name, sizeof(hash_name), "fr_test_%d_%d", lcore_self, i);
+
+ if (NULL != rte_hash_find_existing(hash_name))
+ return -1;
+ }
+
+ return 0;
+}
+
+static void
+fbk_clean(unsigned lcore_id)
+{
+ char fbk_name[MAX_STRING_SIZE];
+ struct rte_fbk_hash_table *handle;
+ int i;
+
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_id, i);
+
+ if ((handle = rte_fbk_hash_find_existing(fbk_name)) != NULL)
+ rte_fbk_hash_free(handle);
+ }
+}
+
+static int
+fbk_create_free(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+ struct rte_fbk_hash_table *handle;
+ char fbk_name[MAX_STRING_SIZE];
+ int i;
+ struct rte_fbk_hash_params fbk_params = {
+ .name = NULL,
+ .entries = 4,
+ .entries_per_bucket = 4,
+ .socket_id = 0,
+ .hash_func = rte_jhash_1word,
+ .init_val = RTE_FBK_HASH_INIT_VAL_DEFAULT,
+ };
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ /* create the same fbk hash table simultaneously on all threads */
+ fbk_params.name = "fr_test_once";
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ handle = rte_fbk_hash_create(&fbk_params);
+ if (handle != NULL)
+ rte_atomic32_inc(&obj_count);
+ }
+
+ /* create mutiple fbk tables simultaneously */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_self, i);
+ fbk_params.name = fbk_name;
+
+ handle = rte_fbk_hash_create(&fbk_params);
+ if (NULL == handle)
+ return -1;
+
+ /* verify correct existing and then free all */
+ if (handle != rte_fbk_hash_find_existing(fbk_name))
+ return -1;
+
+ rte_fbk_hash_free(handle);
+ }
+
+ /* verify free correct */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ snprintf(fbk_name, sizeof(fbk_name), "fr_test_%d_%d", lcore_self, i);
+
+ if (NULL != rte_fbk_hash_find_existing(fbk_name))
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* RTE_LIBRTE_HASH */
+
+#ifdef RTE_LIBRTE_LPM
+static void
+lpm_clean(unsigned lcore_id)
+{
+ char lpm_name[MAX_STRING_SIZE];
+ struct rte_lpm *lpm;
+ int i;
+
+ for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+ snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_id, i);
+
+ if ((lpm = rte_lpm_find_existing(lpm_name)) != NULL)
+ rte_lpm_free(lpm);
+ }
+}
+
+static int
+lpm_create_free(__attribute__((unused)) void *arg)
+{
+ unsigned lcore_self = rte_lcore_id();
+ struct rte_lpm *lpm;
+ struct rte_lpm_config config;
+
+ config.max_rules = 4;
+ config.number_tbl8s = 256;
+ config.flags = 0;
+ char lpm_name[MAX_STRING_SIZE];
+ int i;
+
+ WAIT_SYNCHRO_FOR_SLAVES();
+
+ /* create the same lpm simultaneously on all threads */
+ for (i = 0; i < MAX_ITER_TIMES; i++) {
+ lpm = rte_lpm_create("fr_test_once", SOCKET_ID_ANY, &config);
+ if (lpm != NULL)
+ rte_atomic32_inc(&obj_count);
+ }
+
+ /* create mutiple fbk tables simultaneously */
+ for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+ snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_self, i);
+ lpm = rte_lpm_create(lpm_name, SOCKET_ID_ANY, &config);
+ if (NULL == lpm)
+ return -1;
+
+ /* verify correct existing and then free all */
+ if (lpm != rte_lpm_find_existing(lpm_name))
+ return -1;
+
+ rte_lpm_free(lpm);
+ }
+
+ /* verify free correct */
+ for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
+ snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d", lcore_self, i);
+ if (NULL != rte_lpm_find_existing(lpm_name))
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* RTE_LIBRTE_LPM */
+
+struct test_case{
+ case_func_t func;
+ void* arg;
+ case_clean_t clean;
+ char name[MAX_STRING_SIZE];
+};
+
+/* All test cases in the test suite */
+struct test_case test_cases[] = {
+ { test_eal_init_once, NULL, NULL, "eal init once" },
+ { ring_create_lookup, NULL, NULL, "ring create/lookup" },
+ { mempool_create_lookup, NULL, NULL, "mempool create/lookup" },
+#ifdef RTE_LIBRTE_HASH
+ { hash_create_free, NULL, hash_clean, "hash create/free" },
+ { fbk_create_free, NULL, fbk_clean, "fbk create/free" },
+#endif /* RTE_LIBRTE_HASH */
+#ifdef RTE_LIBRTE_LPM
+ { lpm_create_free, NULL, lpm_clean, "lpm create/free" },
+#endif /* RTE_LIBRTE_LPM */
+};
+
+/**
+ * launch test case in two separate thread
+ */
+static int
+launch_test(struct test_case *pt_case)
+{
+ int ret = 0;
+ unsigned lcore_id;
+ unsigned cores_save = rte_lcore_count();
+ unsigned cores = RTE_MIN(cores_save, MAX_LCORES);
+ unsigned count;
+
+ if (pt_case->func == NULL)
+ return -1;
+
+ rte_atomic32_set(&obj_count, 0);
+ rte_atomic32_set(&synchro, 0);
+
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ if (cores == 1)
+ break;
+ cores--;
+ rte_eal_remote_launch(pt_case->func, pt_case->arg, lcore_id);
+ }
+
+ rte_atomic32_set(&synchro, 1);
+
+ if (pt_case->func(pt_case->arg) < 0)
+ ret = -1;
+
+ cores = cores_save;
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ if (cores == 1)
+ break;
+ cores--;
+ if (rte_eal_wait_lcore(lcore_id) < 0)
+ ret = -1;
+
+ if (pt_case->clean != NULL)
+ pt_case->clean(lcore_id);
+ }
+
+ count = rte_atomic32_read(&obj_count);
+ if (count != 1) {
+ printf("%s: common object allocated %d times (should be 1)\n",
+ pt_case->name, count);
+ ret = -1;
+ }
+
+ return ret;
+}
+
+/**
+ * Main entry of func_reentrancy test
+ */
+static int
+test_func_reentrancy(void)
+{
+ uint32_t case_id;
+ struct test_case *pt_case = NULL;
+
+ if (rte_lcore_count() <= 1) {
+ printf("Not enough lcore for testing\n");
+ return -1;
+ }
+ else if (rte_lcore_count() > MAX_LCORES)
+ printf("Too many lcores, some cores will be disabled\n");
+
+ for (case_id = 0; case_id < sizeof(test_cases)/sizeof(struct test_case); case_id ++) {
+ pt_case = &test_cases[case_id];
+ if (pt_case->func == NULL)
+ continue;
+
+ if (launch_test(pt_case) < 0) {
+ printf("Func-ReEnt CASE %"PRIu32": %s FAIL\n", case_id, pt_case->name);
+ return -1;
+ }
+ printf("Func-ReEnt CASE %"PRIu32": %s PASS\n", case_id, pt_case->name);
+ }
+
+ return 0;
+}
+
+static struct test_command func_reentrancy_cmd = {
+ .command = "func_reentrancy_autotest",
+ .callback = test_func_reentrancy,
+};
+REGISTER_TEST_COMMAND(func_reentrancy_cmd);
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