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
  18 #ifdef RTE_EXEC_ENV_WINDOWS
  19 int
  20 test_mp_secondary(void)
  21 {
  22         printf("mp_secondary not supported on Windows, skipping test\n");
  23         return TEST_SKIPPED;
  24 }
  25 #else
  26
  27 #include <sys/wait.h>
  28 #include <libgen.h>
  29 #include <dirent.h>
  30 #include <limits.h>
  31
  32 #include <rte_common.h>
  33 #include <rte_memory.h>
  34 #include <rte_memzone.h>
  35 #include <rte_eal.h>
  36 #include <rte_launch.h>
  37 #include <rte_per_lcore.h>
  38 #include <rte_lcore.h>
  39 #include <rte_errno.h>
  40 #include <rte_branch_prediction.h>
  41 #include <rte_ring.h>
  42 #include <rte_debug.h>
  43 #include <rte_log.h>
  44 #include <rte_mempool.h>
  45
  46 #ifdef RTE_LIB_HASH
  47 #include <rte_hash.h>
  48 #include <rte_fbk_hash.h>
  49 #endif /* RTE_LIB_HASH */
  50
  51 #ifdef RTE_LIB_LPM
  52 #include <rte_lpm.h>
  53 #endif /* RTE_LIB_LPM */
  54
  55 #include <rte_string_fns.h>
  56
  57 #include "process.h"
  58
  59 #define launch_proc(ARGV) process_dup(ARGV, RTE_DIM(ARGV), __func__)
  60
  61 /*
  62  * This function is called in the primary i.e. main test, to spawn off secondary
  63  * processes to run actual mp tests. Uses fork() and exec pair
  64  */
  65 static int
  66 run_secondary_instances(void)
  67 {
  68         int ret = 0;
  69         char coremask[10];
  70
  71 #ifdef RTE_EXEC_ENV_LINUX
  72         char tmp[PATH_MAX] = {0};
  73         char prefix[PATH_MAX] = {0};
  74
  75         get_current_prefix(tmp, sizeof(tmp));
  76
  77         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
  78 #else
  79         const char *prefix = "";
  80 #endif
  81
  82         /* good case, using secondary */
  83         const char *argv1[] = {
  84                         prgname, "-c", coremask, "--proc-type=secondary",
  85                         prefix
  86         };
  87         /* good case, using auto */
  88         const char *argv2[] = {
  89                         prgname, "-c", coremask, "--proc-type=auto",
  90                         prefix
  91         };
  92         /* bad case, using invalid type */
  93         const char *argv3[] = {
  94                         prgname, "-c", coremask, "--proc-type=ERROR",
  95                         prefix
  96         };
  97 #ifdef RTE_EXEC_ENV_LINUX
  98         /* bad case, using invalid file prefix */
  99         const char *argv4[]  = {
 100                         prgname, "-c", coremask, "--proc-type=secondary",
 101                                         "--file-prefix=ERROR"
 102         };
 103 #endif
 104
 105         snprintf(coremask, sizeof(coremask), "%x", \
 106                         (1 << rte_get_main_lcore()));
 107
 108         ret |= launch_proc(argv1);
 109         printf("### Testing rte_mp_disable() reject:\n");
 110         if (rte_mp_disable()) {
 111                 printf("Error: rte_mp_disable() has been accepted\n");
 112                 ret |= -1;
 113         } else {
 114                 printf("# Checked rte_mp_disable() is refused\n");
 115         }
 116         ret |= launch_proc(argv2);
 117
 118         ret |= !(launch_proc(argv3));
 119 #ifdef RTE_EXEC_ENV_LINUX
 120         ret |= !(launch_proc(argv4));
 121 #endif
 122
 123         return ret;
 124 }
 125
 126 /*
 127  * This function is run in the secondary instance to test that creation of
 128  * objects fails in a secondary
 129  */
 130 static int
 131 run_object_creation_tests(void)
 132 {
 133         const unsigned flags = 0;
 134         const unsigned size = 1024;
 135         const unsigned elt_size = 64;
 136         const unsigned cache_size = 64;
 137         const unsigned priv_data_size = 32;
 138
 139         printf("### Testing object creation - expect lots of mz reserve errors!\n");
 140
 141         rte_errno = 0;
 142         if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
 143                                  flags) == NULL) &&
 144             (rte_memzone_lookup("test_mz") == NULL)) {
 145                 printf("Error: unexpected return value from rte_memzone_reserve\n");
 146                 return -1;
 147         }
 148         printf("# Checked rte_memzone_reserve() OK\n");
 149
 150         rte_errno = 0;
 151         if ((rte_ring_create(
 152                      "test_ring", size, rte_socket_id(), flags) == NULL) &&
 153                     (rte_ring_lookup("test_ring") == NULL)){
 154                 printf("Error: unexpected return value from rte_ring_create()\n");
 155                 return -1;
 156         }
 157         printf("# Checked rte_ring_create() OK\n");
 158
 159         rte_errno = 0;
 160         if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
 161                                 priv_data_size, NULL, NULL, NULL, NULL,
 162                                 rte_socket_id(), flags) == NULL) &&
 163              (rte_mempool_lookup("test_mp") == NULL)){
 164                 printf("Error: unexpected return value from rte_mempool_create()\n");
 165                 return -1;
 166         }
 167         printf("# Checked rte_mempool_create() OK\n");
 168
 169 #ifdef RTE_LIB_HASH
 170         const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
 171         rte_errno=0;
 172         if ((rte_hash_create(&hash_params) != NULL) &&
 173             (rte_hash_find_existing(hash_params.name) == NULL)){
 174                 printf("Error: unexpected return value from rte_hash_create()\n");
 175                 return -1;
 176         }
 177         printf("# Checked rte_hash_create() OK\n");
 178
 179         const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
 180         rte_errno=0;
 181         if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
 182             (rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
 183                 printf("Error: unexpected return value from rte_fbk_hash_create()\n");
 184                 return -1;
 185         }
 186         printf("# Checked rte_fbk_hash_create() OK\n");
 187 #endif
 188
 189 #ifdef RTE_LIB_LPM
 190         rte_errno=0;
 191         struct rte_lpm_config config;
 192
 193         config.max_rules = rte_socket_id();
 194         config.number_tbl8s = 256;
 195         config.flags = 0;
 196         if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
 197             (rte_lpm_find_existing("test_lpm") == NULL)){
 198                 printf("Error: unexpected return value from rte_lpm_create()\n");
 199                 return -1;
 200         }
 201         printf("# Checked rte_lpm_create() OK\n");
 202 #endif
 203
 204         return 0;
 205 }
 206
 207 /* if called in a primary process, just spawns off a secondary process to
 208  * run validation tests - which brings us right back here again...
 209  * if called in a secondary process, this runs a series of API tests to check
 210  * how things run in a secondary instance.
 211  */
 212 int
 213 test_mp_secondary(void)
 214 {
 215         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 216                 return run_secondary_instances();
 217         }
 218
 219         printf("IN SECONDARY PROCESS\n");
 220
 221         return run_object_creation_tests();
 222 }
 223
 224 #endif /* !RTE_EXEC_ENV_WINDOWS */
 225
 226 REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary);