app/test/test_mp_secondary.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6
   7 #include "test.h"
   8
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13 #include <sys/queue.h>
  14 #include <errno.h>
  15 #include <string.h>
  16 #include <unistd.h>
  17 #include <sys/wait.h>
  18 #include <libgen.h>
  19 #include <dirent.h>
  20 #include <limits.h>
  21
  22 #include <rte_common.h>
  23 #include <rte_memory.h>
  24 #include <rte_memzone.h>
  25 #include <rte_eal.h>
  26 #include <rte_launch.h>
  27 #include <rte_per_lcore.h>
  28 #include <rte_lcore.h>
  29 #include <rte_errno.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_atomic.h>
  32 #include <rte_ring.h>
  33 #include <rte_debug.h>
  34 #include <rte_log.h>
  35 #include <rte_mempool.h>
  36
  37 #ifdef RTE_LIB_HASH
  38 #include <rte_hash.h>
  39 #include <rte_fbk_hash.h>
  40 #endif /* RTE_LIB_HASH */
  41
  42 #ifdef RTE_LIB_LPM
  43 #include <rte_lpm.h>
  44 #endif /* RTE_LIB_LPM */
  45
  46 #include <rte_string_fns.h>
  47
  48 #include "process.h"
  49
  50 #define launch_proc(ARGV) process_dup(ARGV, RTE_DIM(ARGV), __func__)
  51
  52 /*
  53  * This function is called in the primary i.e. main test, to spawn off secondary
  54  * processes to run actual mp tests. Uses fork() and exec pair
  55  */
  56 static int
  57 run_secondary_instances(void)
  58 {
  59         int ret = 0;
  60         char coremask[10];
  61
  62 #ifdef RTE_EXEC_ENV_LINUX
  63         char tmp[PATH_MAX] = {0};
  64         char prefix[PATH_MAX] = {0};
  65
  66         get_current_prefix(tmp, sizeof(tmp));
  67
  68         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
  69 #else
  70         const char *prefix = "";
  71 #endif
  72
  73         /* good case, using secondary */
  74         const char *argv1[] = {
  75                         prgname, "-c", coremask, "--proc-type=secondary",
  76                         prefix
  77         };
  78         /* good case, using auto */
  79         const char *argv2[] = {
  80                         prgname, "-c", coremask, "--proc-type=auto",
  81                         prefix
  82         };
  83         /* bad case, using invalid type */
  84         const char *argv3[] = {
  85                         prgname, "-c", coremask, "--proc-type=ERROR",
  86                         prefix
  87         };
  88 #ifdef RTE_EXEC_ENV_LINUX
  89         /* bad case, using invalid file prefix */
  90         const char *argv4[]  = {
  91                         prgname, "-c", coremask, "--proc-type=secondary",
  92                                         "--file-prefix=ERROR"
  93         };
  94 #endif
  95
  96         snprintf(coremask, sizeof(coremask), "%x", \
  97                         (1 << rte_get_main_lcore()));
  98
  99         ret |= launch_proc(argv1);
 100         printf("### Testing rte_mp_disable() reject:\n");
 101         if (rte_mp_disable()) {
 102                 printf("Error: rte_mp_disable() has been accepted\n");
 103                 ret |= -1;
 104         } else {
 105                 printf("# Checked rte_mp_disable() is refused\n");
 106         }
 107         ret |= launch_proc(argv2);
 108
 109         ret |= !(launch_proc(argv3));
 110 #ifdef RTE_EXEC_ENV_LINUX
 111         ret |= !(launch_proc(argv4));
 112 #endif
 113
 114         return ret;
 115 }
 116
 117 /*
 118  * This function is run in the secondary instance to test that creation of
 119  * objects fails in a secondary
 120  */
 121 static int
 122 run_object_creation_tests(void)
 123 {
 124         const unsigned flags = 0;
 125         const unsigned size = 1024;
 126         const unsigned elt_size = 64;
 127         const unsigned cache_size = 64;
 128         const unsigned priv_data_size = 32;
 129
 130         printf("### Testing object creation - expect lots of mz reserve errors!\n");
 131
 132         rte_errno = 0;
 133         if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
 134                                  flags) == NULL) &&
 135             (rte_memzone_lookup("test_mz") == NULL)) {
 136                 printf("Error: unexpected return value from rte_memzone_reserve\n");
 137                 return -1;
 138         }
 139         printf("# Checked rte_memzone_reserve() OK\n");
 140
 141         rte_errno = 0;
 142         if ((rte_ring_create(
 143                      "test_ring", size, rte_socket_id(), flags) == NULL) &&
 144                     (rte_ring_lookup("test_ring") == NULL)){
 145                 printf("Error: unexpected return value from rte_ring_create()\n");
 146                 return -1;
 147         }
 148         printf("# Checked rte_ring_create() OK\n");
 149
 150         rte_errno = 0;
 151         if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
 152                                 priv_data_size, NULL, NULL, NULL, NULL,
 153                                 rte_socket_id(), flags) == NULL) &&
 154              (rte_mempool_lookup("test_mp") == NULL)){
 155                 printf("Error: unexpected return value from rte_mempool_create()\n");
 156                 return -1;
 157         }
 158         printf("# Checked rte_mempool_create() OK\n");
 159
 160 #ifdef RTE_LIB_HASH
 161         const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
 162         rte_errno=0;
 163         if ((rte_hash_create(&hash_params) != NULL) &&
 164             (rte_hash_find_existing(hash_params.name) == NULL)){
 165                 printf("Error: unexpected return value from rte_hash_create()\n");
 166                 return -1;
 167         }
 168         printf("# Checked rte_hash_create() OK\n");
 169
 170         const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
 171         rte_errno=0;
 172         if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
 173             (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
 174                 printf("Error: unexpected return value from rte_fbk_hash_create()\n");
 175                 return -1;
 176         }
 177         printf("# Checked rte_fbk_hash_create() OK\n");
 178 #endif
 179
 180 #ifdef RTE_LIB_LPM
 181         rte_errno=0;
 182         struct rte_lpm_config config;
 183
 184         config.max_rules = rte_socket_id();
 185         config.number_tbl8s = 256;
 186         config.flags = 0;
 187         if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
 188             (rte_lpm_find_existing("test_lpm") == NULL)){
 189                 printf("Error: unexpected return value from rte_lpm_create()\n");
 190                 return -1;
 191         }
 192         printf("# Checked rte_lpm_create() OK\n");
 193 #endif
 194
 195         return 0;
 196 }
 197
 198 /* if called in a primary process, just spawns off a secondary process to
 199  * run validation tests - which brings us right back here again...
 200  * if called in a secondary process, this runs a series of API tests to check
 201  * how things run in a secondary instance.
 202  */
 203 int
 204 test_mp_secondary(void)
 205 {
 206         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 207                 return run_secondary_instances();
 208         }
 209
 210         printf("IN SECONDARY PROCESS\n");
 211
 212         return run_object_creation_tests();
 213 }
 214
 215 REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary);