+++ /dev/null
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 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 <fcntl.h>
-#include <limits.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/wait.h>
-#include <stdio.h>
-
-#include <cmdline_parse.h>
-
-#include "test.h"
-
-#include <rte_common.h>
-#include <rte_ivshmem.h>
-#include <rte_string_fns.h>
-#include "process.h"
-
-#define DUPLICATE_METADATA "duplicate"
-#define METADATA_NAME "metadata"
-#define NONEXISTENT_METADATA "nonexistent"
-#define FIRST_TEST 'a'
-
-#define launch_proc(ARGV) process_dup(ARGV, \
- sizeof(ARGV)/(sizeof(ARGV[0])), "test_ivshmem")
-
-#define ASSERT(cond,msg) do { \
- if (!(cond)) { \
- printf("**** TEST %s() failed: %s\n", \
- __func__, msg); \
- return -1; \
- } \
-} while(0)
-
-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;
-}
-
-static struct rte_ivshmem_metadata*
-mmap_metadata(const char *name)
-{
- int fd;
- char pathname[PATH_MAX];
- struct rte_ivshmem_metadata *metadata;
-
- snprintf(pathname, sizeof(pathname),
- "/var/run/.dpdk_ivshmem_metadata_%s", name);
-
- fd = open(pathname, O_RDWR, 0660);
- if (fd < 0)
- return NULL;
-
- metadata = (struct rte_ivshmem_metadata*) mmap(NULL,
- sizeof(struct rte_ivshmem_metadata), PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
-
- if (metadata == MAP_FAILED)
- return NULL;
-
- close(fd);
-
- return metadata;
-}
-
-static int
-create_duplicate(void)
-{
- /* create a metadata that another process will then try to overwrite */
- ASSERT (rte_ivshmem_metadata_create(DUPLICATE_METADATA) == 0,
- "Creating metadata failed");
- return 0;
-}
-
-static int
-test_ivshmem_create_lots_of_memzones(void)
-{
- int i;
- char name[IVSHMEM_NAME_LEN];
- const struct rte_memzone *mz;
-
- ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
- "Failed to create metadata");
-
- for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_ENTRIES; i++) {
- snprintf(name, sizeof(name), "mz_%i", i);
-
- mz = rte_memzone_reserve(name, RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
- ASSERT(mz != NULL, "Failed to reserve memzone");
-
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
- "Failed to add memzone");
- }
- mz = rte_memzone_reserve("one too many", RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
- ASSERT(mz != NULL, "Failed to reserve memzone");
-
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0,
- "Metadata should have been full");
-
- return 0;
-}
-
-static int
-test_ivshmem_create_duplicate_memzone(void)
-{
- const struct rte_memzone *mz;
-
- ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
- "Failed to create metadata");
-
- mz = rte_memzone_reserve("mz", RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0);
- ASSERT(mz != NULL, "Failed to reserve memzone");
-
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
- "Failed to add memzone");
-
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0,
- "Added the same memzone twice");
-
- return 0;
-}
-
-static int
-test_ivshmem_api_test(void)
-{
- const struct rte_memzone * mz;
- struct rte_mempool * mp;
- struct rte_ring * r;
- char buf[BUFSIZ];
-
- memset(buf, 0, sizeof(buf));
-
- r = rte_ring_create("ring", 1, SOCKET_ID_ANY, 0);
- mp = rte_mempool_create("mempool", 1, 1, 1, 1, NULL, NULL, NULL, NULL,
- SOCKET_ID_ANY, 0);
- mz = rte_memzone_reserve("memzone", 64, SOCKET_ID_ANY, 0);
-
- ASSERT(r != NULL, "Failed to create ring");
- ASSERT(mp != NULL, "Failed to create mempool");
- ASSERT(mz != NULL, "Failed to reserve memzone");
-
- /* try to create NULL metadata */
- ASSERT(rte_ivshmem_metadata_create(NULL) < 0,
- "Created metadata with NULL name");
-
- /* create valid metadata to do tests on */
- ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0,
- "Failed to create metadata");
-
- /* test adding memzone */
- ASSERT(rte_ivshmem_metadata_add_memzone(NULL, NULL) < 0,
- "Added NULL memzone to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_memzone(NULL, METADATA_NAME) < 0,
- "Added NULL memzone");
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, NULL) < 0,
- "Added memzone to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, NONEXISTENT_METADATA) < 0,
- "Added memzone to nonexistent metadata");
-
- /* test adding ring */
- ASSERT(rte_ivshmem_metadata_add_ring(NULL, NULL) < 0,
- "Added NULL ring to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_ring(NULL, METADATA_NAME) < 0,
- "Added NULL ring");
- ASSERT(rte_ivshmem_metadata_add_ring(r, NULL) < 0,
- "Added ring to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_ring(r, NONEXISTENT_METADATA) < 0,
- "Added ring to nonexistent metadata");
-
- /* test adding mempool */
- ASSERT(rte_ivshmem_metadata_add_mempool(NULL, NULL) < 0,
- "Added NULL mempool to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_mempool(NULL, METADATA_NAME) < 0,
- "Added NULL mempool");
- ASSERT(rte_ivshmem_metadata_add_mempool(mp, NULL) < 0,
- "Added mempool to NULL metadata");
- ASSERT(rte_ivshmem_metadata_add_mempool(mp, NONEXISTENT_METADATA) < 0,
- "Added mempool to nonexistent metadata");
-
- /* test creating command line */
- ASSERT(rte_ivshmem_metadata_cmdline_generate(NULL, sizeof(buf), METADATA_NAME) < 0,
- "Written command line into NULL buffer");
- ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
-
- ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, 0, METADATA_NAME) < 0,
- "Written command line into small buffer");
- ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
-
- ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf), NULL) < 0,
- "Written command line for NULL metadata");
- ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
-
- ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf),
- NONEXISTENT_METADATA) < 0,
- "Writen command line for nonexistent metadata");
- ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty");
-
- /* add stuff to config */
- ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0,
- "Failed to add memzone to valid config");
- ASSERT(rte_ivshmem_metadata_add_ring(r, METADATA_NAME) == 0,
- "Failed to add ring to valid config");
- ASSERT(rte_ivshmem_metadata_add_mempool(mp, METADATA_NAME) == 0,
- "Failed to add mempool to valid config");
-
- /* create config */
- ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf),
- METADATA_NAME) == 0, "Failed to write command-line");
-
- /* check if something was written */
- ASSERT(strnlen(buf, sizeof(buf)) != 0, "Buffer is empty");
-
- /* make sure we don't segfault */
- rte_ivshmem_metadata_dump(stdout, NULL);
-
- /* dump our metadata */
- rte_ivshmem_metadata_dump(stdout, METADATA_NAME);
-
- return 0;
-}
-
-static int
-test_ivshmem_create_duplicate_metadata(void)
-{
- ASSERT(rte_ivshmem_metadata_create(DUPLICATE_METADATA) < 0,
- "Creating duplicate metadata should have failed");
-
- return 0;
-}
-
-static int
-test_ivshmem_create_metadata_config(void)
-{
- struct rte_ivshmem_metadata *metadata;
-
- rte_ivshmem_metadata_create(METADATA_NAME);
-
- metadata = mmap_metadata(METADATA_NAME);
-
- ASSERT(metadata != MAP_FAILED, "Metadata mmaping failed");
-
- ASSERT(metadata->magic_number == IVSHMEM_MAGIC,
- "Magic number is not that magic");
-
- ASSERT(strncmp(metadata->name, METADATA_NAME, sizeof(metadata->name)) == 0,
- "Name has not been set up");
-
- ASSERT(metadata->entry[0].offset == 0, "Offest is not initialized");
- ASSERT(metadata->entry[0].mz.addr == 0, "mz.addr is not initialized");
- ASSERT(metadata->entry[0].mz.len == 0, "mz.len is not initialized");
-
- return 0;
-}
-
-static int
-test_ivshmem_create_multiple_metadata_configs(void)
-{
- int i;
- char name[IVSHMEM_NAME_LEN];
- struct rte_ivshmem_metadata *metadata;
-
- for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES / 2; i++) {
- snprintf(name, sizeof(name), "test_%d", i);
- rte_ivshmem_metadata_create(name);
- metadata = mmap_metadata(name);
-
- ASSERT(metadata->magic_number == IVSHMEM_MAGIC,
- "Magic number is not that magic");
-
- ASSERT(strncmp(metadata->name, name, sizeof(metadata->name)) == 0,
- "Name has not been set up");
- }
-
- return 0;
-}
-
-static int
-test_ivshmem_create_too_many_metadata_configs(void)
-{
- int i;
- char name[IVSHMEM_NAME_LEN];
-
- for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES; i++) {
- snprintf(name, sizeof(name), "test_%d", i);
- ASSERT(rte_ivshmem_metadata_create(name) == 0,
- "Create config file failed");
- }
-
- ASSERT(rte_ivshmem_metadata_create(name) < 0,
- "Create config file didn't fail");
-
- return 0;
-}
-
-enum rte_ivshmem_tests {
- _test_ivshmem_api_test = 0,
- _test_ivshmem_create_metadata_config,
- _test_ivshmem_create_multiple_metadata_configs,
- _test_ivshmem_create_too_many_metadata_configs,
- _test_ivshmem_create_duplicate_metadata,
- _test_ivshmem_create_lots_of_memzones,
- _test_ivshmem_create_duplicate_memzone,
- _last_test,
-};
-
-#define RTE_IVSHMEM_TEST_ID "RTE_IVSHMEM_TEST_ID"
-
-static int
-launch_all_tests_on_secondary_processes(void)
-{
- int ret = 0;
- char id;
- char testid;
- char tmp[PATH_MAX] = {0};
- char prefix[PATH_MAX] = {0};
-
- get_current_prefix(tmp, sizeof(tmp));
-
- snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
-
- const char *argv[] = { prgname, "-c", "1", "-n", "3",
- "--proc-type=secondary", prefix };
-
- for (id = 0; id < _last_test; id++) {
- testid = (char)(FIRST_TEST + id);
- setenv(RTE_IVSHMEM_TEST_ID, &testid, 1);
- if (launch_proc(argv) != 0)
- return -1;
- }
- return ret;
-}
-
-int
-test_ivshmem(void)
-{
- int testid;
-
- /* We want to have a clean execution for every test without exposing
- * private global data structures in rte_ivshmem so we launch each test
- * on a different secondary process. */
- if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
-
- /* first, create metadata */
- ASSERT(create_duplicate() == 0, "Creating metadata failed");
-
- return launch_all_tests_on_secondary_processes();
- }
-
- testid = *(getenv(RTE_IVSHMEM_TEST_ID)) - FIRST_TEST;
-
- printf("Secondary process running test %d \n", testid);
-
- switch (testid) {
- case _test_ivshmem_api_test:
- return test_ivshmem_api_test();
-
- case _test_ivshmem_create_metadata_config:
- return test_ivshmem_create_metadata_config();
-
- case _test_ivshmem_create_multiple_metadata_configs:
- return test_ivshmem_create_multiple_metadata_configs();
-
- case _test_ivshmem_create_too_many_metadata_configs:
- return test_ivshmem_create_too_many_metadata_configs();
-
- case _test_ivshmem_create_duplicate_metadata:
- return test_ivshmem_create_duplicate_metadata();
-
- case _test_ivshmem_create_lots_of_memzones:
- return test_ivshmem_create_lots_of_memzones();
-
- case _test_ivshmem_create_duplicate_memzone:
- return test_ivshmem_create_duplicate_memzone();
-
- default:
- break;
- }
-
- return -1;
-}
-
-REGISTER_TEST_COMMAND(ivshmem_autotest, test_ivshmem);
Code Review / deb_dpdk.git / blobdiff