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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include "test.h"
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <inttypes.h>
#include <sys/queue.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>
#include <libgen.h>
#include <dirent.h>
#include <limits.h>
#include <rte_common.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_launch.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_errno.h>
#include <rte_branch_prediction.h>
#include <rte_atomic.h>
#include <rte_ring.h>
#include <rte_debug.h>
#include <rte_log.h>
#include <rte_mempool.h>
#ifdef RTE_LIBRTE_HASH
#include <rte_hash.h>
#include <rte_fbk_hash.h>
#endif /* RTE_LIBRTE_HASH */
#ifdef RTE_LIBRTE_LPM
#include <rte_lpm.h>
#endif /* RTE_LIBRTE_LPM */
#include <rte_string_fns.h>
#include "process.h"
#define launch_proc(ARGV) process_dup(ARGV, \
sizeof(ARGV)/(sizeof(ARGV[0])), __func__)
#ifdef RTE_EXEC_ENV_LINUXAPP
static char*
get_current_prefix(char * prefix, int size)
{
char path[PATH_MAX] = {0};
char buf[PATH_MAX] = {0};
/* get file for config (fd is always 3) */
snprintf(path, sizeof(path), "/proc/self/fd/%d", 3);
/* return NULL on error */
if (readlink(path, buf, sizeof(buf)) == -1)
return NULL;
/* get the basename */
snprintf(buf, sizeof(buf), "%s", basename(buf));
/* copy string all the way from second char up to start of _config */
snprintf(prefix, size, "%.*s",
(int)(strnlen(buf, sizeof(buf)) - sizeof("_config")),
&buf[1]);
return prefix;
}
#endif
/*
* This function is called in the primary i.e. main test, to spawn off secondary
* processes to run actual mp tests. Uses fork() and exec pair
*/
static int
run_secondary_instances(void)
{
int ret = 0;
char coremask[10];
#ifdef RTE_EXEC_ENV_LINUXAPP
char tmp[PATH_MAX] = {0};
char prefix[PATH_MAX] = {0};
get_current_prefix(tmp, sizeof(tmp));
snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
#else
const char *prefix = "";
#endif
/* good case, using secondary */
const char *argv1[] = {
prgname, "-c", coremask, "--proc-type=secondary",
prefix
};
/* good case, using auto */
const char *argv2[] = {
prgname, "-c", coremask, "--proc-type=auto",
prefix
};
/* bad case, using invalid type */
const char *argv3[] = {
prgname, "-c", coremask, "--proc-type=ERROR",
prefix
};
#ifdef RTE_EXEC_ENV_LINUXAPP
/* bad case, using invalid file prefix */
const char *argv4[] = {
prgname, "-c", coremask, "--proc-type=secondary",
"--file-prefix=ERROR"
};
#endif
snprintf(coremask, sizeof(coremask), "%x", \
(1 << rte_get_master_lcore()));
ret |= launch_proc(argv1);
ret |= launch_proc(argv2);
ret |= !(launch_proc(argv3));
#ifdef RTE_EXEC_ENV_LINUXAPP
ret |= !(launch_proc(argv4));
#endif
return ret;
}
/*
* This function is run in the secondary instance to test that creation of
* objects fails in a secondary
*/
static int
run_object_creation_tests(void)
{
const unsigned flags = 0;
const unsigned size = 1024;
const unsigned elt_size = 64;
const unsigned cache_size = 64;
const unsigned priv_data_size = 32;
printf("### Testing object creation - expect lots of mz reserve errors!\n");
rte_errno = 0;
if ((rte_memzone_reserve("test_mz", size, rte_socket_id(),
flags) == NULL) &&
(rte_memzone_lookup("test_mz") == NULL)) {
printf("Error: unexpected return value from rte_memzone_reserve\n");
return -1;
}
printf("# Checked rte_memzone_reserve() OK\n");
rte_errno = 0;
if ((rte_ring_create(
"test_ring", size, rte_socket_id(), flags) == NULL) &&
(rte_ring_lookup("test_ring") == NULL)){
printf("Error: unexpected return value from rte_ring_create()\n");
return -1;
}
printf("# Checked rte_ring_create() OK\n");
rte_errno = 0;
if ((rte_mempool_create("test_mp", size, elt_size, cache_size,
priv_data_size, NULL, NULL, NULL, NULL,
rte_socket_id(), flags) == NULL) &&
(rte_mempool_lookup("test_mp") == NULL)){
printf("Error: unexpected return value from rte_mempool_create()\n");
return -1;
}
printf("# Checked rte_mempool_create() OK\n");
#ifdef RTE_LIBRTE_HASH
const struct rte_hash_parameters hash_params = { .name = "test_mp_hash" };
rte_errno=0;
if ((rte_hash_create(&hash_params) != NULL) &&
(rte_hash_find_existing(hash_params.name) == NULL)){
printf("Error: unexpected return value from rte_hash_create()\n");
return -1;
}
printf("# Checked rte_hash_create() OK\n");
const struct rte_fbk_hash_params fbk_params = { .name = "test_fbk_mp_hash" };
rte_errno=0;
if ((rte_fbk_hash_create(&fbk_params) != NULL) &&
(rte_fbk_hash_find_existing(fbk_params.name) == NULL)){
printf("Error: unexpected return value from rte_fbk_hash_create()\n");
return -1;
}
printf("# Checked rte_fbk_hash_create() OK\n");
#endif
#ifdef RTE_LIBRTE_LPM
rte_errno=0;
struct rte_lpm_config config;
config.max_rules = rte_socket_id();
config.number_tbl8s = 256;
config.flags = 0;
if ((rte_lpm_create("test_lpm", size, &config) != NULL) &&
(rte_lpm_find_existing("test_lpm") == NULL)){
printf("Error: unexpected return value from rte_lpm_create()\n");
return -1;
}
printf("# Checked rte_lpm_create() OK\n");
#endif
return 0;
}
/* if called in a primary process, just spawns off a secondary process to
* run validation tests - which brings us right back here again...
* if called in a secondary process, this runs a series of API tests to check
* how things run in a secondary instance.
*/
int
test_mp_secondary(void)
{
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
return run_secondary_instances();
}
printf("IN SECONDARY PROCESS\n");
return run_object_creation_tests();
}
REGISTER_TEST_COMMAND(multiprocess_autotest, test_mp_secondary);
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