vpp - Vector Packet Processing

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Diffstat (limited to 'src/plugins/nat.am')

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/*- * BSD LICENSE * * Copyright(c) 2016 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 <inttypes.h> #include <locale.h> #include <rte_cycles.h> #include <rte_hash.h> #include <rte_hash_crc.h> #include <rte_launch.h> #include <rte_malloc.h> #include <rte_random.h> #include <rte_spinlock.h> #include "test.h" /* * Check condition and return an error if true. Assumes that "handle" is the * name of the hash structure pointer to be freed. */ #define RETURN_IF_ERROR(cond, str, ...) do { \ if (cond) { \ printf("ERROR line %d: " str "\n", __LINE__, \ ##__VA_ARGS__); \ if (handle) \ rte_hash_free(handle); \ return -1; \ } \ } while (0) #define RTE_APP_TEST_HASH_MULTIWRITER_FAILED 0 struct { uint32_t *keys; uint32_t *found; uint32_t nb_tsx_insertion; struct rte_hash *h; } tbl_multiwriter_test_params; const uint32_t nb_entries = 16*1024*1024; const uint32_t nb_total_tsx_insertion = 15*1024*1024; uint32_t rounded_nb_total_tsx_insertion; static rte_atomic64_t gcycles; static rte_atomic64_t ginsertions; static int use_htm; static int test_hash_multiwriter_worker(__attribute__((unused)) void *arg) { uint64_t i, offset; uint32_t lcore_id = rte_lcore_id(); uint64_t begin, cycles; offset = (lcore_id - rte_get_master_lcore()) * tbl_multiwriter_test_params.nb_tsx_insertion; printf("Core #%d inserting %d: %'"PRId64" - %'"PRId64"\n", lcore_id, tbl_multiwriter_test_params.nb_tsx_insertion, offset, offset + tbl_multiwriter_test_params.nb_tsx_insertion); begin = rte_rdtsc_precise(); for (i = offset; i < offset + tbl_multiwriter_test_params.nb_tsx_insertion; i++) { if (rte_hash_add_key(tbl_multiwriter_test_params.h, tbl_multiwriter_test_params.keys + i) < 0) break; } cycles = rte_rdtsc_precise() - begin; rte_atomic64_add(&gcycles, cycles); rte_atomic64_add(&ginsertions, i - offset); for (; i < offset + tbl_multiwriter_test_params.nb_tsx_insertion; i++) tbl_multiwriter_test_params.keys[i] = RTE_APP_TEST_HASH_MULTIWRITER_FAILED; return 0; } static int test_hash_multiwriter(void) { unsigned int i, rounded_nb_total_tsx_insertion; static unsigned calledCount = 1; uint32_t *keys; uint32_t *found; struct rte_hash_parameters hash_params = { .entries = nb_entries, .key_len = sizeof(uint32_t), .hash_func = rte_hash_crc, .hash_func_init_val = 0, .socket_id = rte_socket_id(), }; if (use_htm) hash_params.extra_flag = RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT | RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD; else hash_params.extra_flag = RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD; struct rte_hash *handle; char name[RTE_HASH_NAMESIZE]; const void *next_key; void *next_data; uint32_t iter = 0; uint32_t duplicated_keys = 0; uint32_t lost_keys = 0; snprintf(name, 32, "test%u", calledCount++); hash_params.name = name; handle = rte_hash_create(&hash_params); RETURN_IF_ERROR(handle == NULL, "hash creation failed"); tbl_multiwriter_test_params.h = handle; tbl_multiwriter_test_params.nb_tsx_insertion = nb_total_tsx_insertion / rte_lcore_count(); rounded_nb_total_tsx_insertion = (nb_total_tsx_insertion / tbl_multiwriter_test_params.nb_tsx_insertion) * tbl_multiwriter_test_params.nb_tsx_insertion; rte_srand(rte_rdtsc()); keys = rte_malloc(NULL, sizeof(uint32_t) * nb_entries, 0); if (keys == NULL) { printf("RTE_MALLOC failed\n"); goto err1; } found = rte_zmalloc(NULL, sizeof(uint32_t) * nb_entries, 0); if (found == NULL) { printf("RTE_ZMALLOC failed\n"); goto err2; } for (i = 0; i < nb_entries; i++) keys[i] = i; tbl_multiwriter_test_params.keys = keys; tbl_multiwriter_test_params.found = found; rte_atomic64_init(&gcycles); rte_atomic64_clear(&gcycles); rte_atomic64_init(&ginsertions); rte_atomic64_clear(&ginsertions); /* Fire all threads. */ rte_eal_mp_remote_launch(test_hash_multiwriter_worker, NULL, CALL_MASTER); rte_eal_mp_wait_lcore(); while (rte_hash_iterate(handle, &next_key, &next_data, &iter) >= 0) { /* Search for the key in the list of keys added .*/ i = *(const uint32_t *)next_key; tbl_multiwriter_test_params.found[i]++; } for (i = 0; i < rounded_nb_total_tsx_insertion; i++) { if (tbl_multiwriter_test_params.keys[i] != RTE_APP_TEST_HASH_MULTIWRITER_FAILED) { if (tbl_multiwriter_test_params.found[i] > 1) { duplicated_keys++; break; } if (tbl_multiwriter_test_params.found[i] == 0) { lost_keys++; printf("key %d is lost\n", i); break; } } } if (duplicated_keys > 0) { printf("%d key duplicated\n", duplicated_keys); goto err3; } if (lost_keys > 0) { printf("%d key lost\n", lost_keys); goto err3; } printf("No key corrupted during multiwriter insertion.\n"); unsigned long long int cycles_per_insertion = rte_atomic64_read(&gcycles)/ rte_atomic64_read(&ginsertions); printf(" cycles per insertion: %llu\n", cycles_per_insertion); rte_free(tbl_multiwriter_test_params.found); rte_free(tbl_multiwriter_test_params.keys); rte_hash_free(handle); return 0; err3: rte_free(tbl_multiwriter_test_params.found); err2: rte_free(tbl_multiwriter_test_params.keys); err1: rte_hash_free(handle); return -1; } static int test_hash_multiwriter_main(void) { int r = -1; if (rte_lcore_count() == 1) { printf("More than one lcore is required to do multiwriter test\n"); return 0; } setlocale(LC_NUMERIC, ""); if (!rte_tm_supported()) { printf("Hardware transactional memory (lock elision) " "is NOT supported\n"); } else { printf("Hardware transactional memory (lock elision) " "is supported\n"); printf("Test multi-writer with Hardware transactional memory\n"); use_htm = 1; r = test_hash_multiwriter(); } printf("Test multi-writer without Hardware transactional memory\n"); use_htm = 0; r = test_hash_multiwriter(); return r; } REGISTER_TEST_COMMAND(hash_multiwriter_autotest, test_hash_multiwriter_main);


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