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