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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2021 6WIND S.A.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <rte_common.h>
#include <rte_kvargs.h>
#include <bus_driver.h>
#include <rte_bus_vdev.h>
#include "test.h"
#define TEST_VDEV_KEY_NAME "name"
static const char * const valid_keys[] = {
TEST_VDEV_KEY_NAME,
NULL,
};
static int
cmp_dev_name(const struct rte_device *dev, const void *name)
{
return strcmp(rte_dev_name(dev), name);
}
static int
cmp_dev_match(const struct rte_device *dev, const void *_kvlist)
{
const struct rte_kvargs *kvlist = _kvlist;
const char *key = TEST_VDEV_KEY_NAME;
const char *name;
/* no kvlist arg, all devices match */
if (kvlist == NULL)
return 0;
/* if key is present in kvlist and does not match, filter device */
name = rte_kvargs_get(kvlist, key);
if (name != NULL && strcmp(name, rte_dev_name(dev)) != 0)
return -1;
return 0;
}
static struct rte_device *
get_matching_vdev(const char *match_str)
{
struct rte_bus *vdev_bus = rte_bus_find_by_name("vdev");
struct rte_kvargs *kvargs = NULL;
struct rte_device *dev;
if (match_str != NULL) {
kvargs = rte_kvargs_parse(match_str, valid_keys);
if (kvargs == NULL) {
printf("Failed to parse match string\n");
return NULL;
}
}
dev = vdev_bus->find_device(NULL, cmp_dev_match, kvargs);
rte_kvargs_free(kvargs);
return dev;
}
static int
test_vdev_bus(void)
{
struct rte_bus *vdev_bus = rte_bus_find_by_name("vdev");
struct rte_dev_iterator dev_iter = { 0 };
struct rte_device *dev, *dev0, *dev1;
/* not supported */
if (vdev_bus == NULL)
return 0;
/* create first vdev */
if (rte_vdev_init("net_null_test0", "") < 0) {
printf("Failed to create vdev net_null_test0\n");
goto fail;
}
dev0 = vdev_bus->find_device(NULL, cmp_dev_name, "net_null_test0");
if (dev0 == NULL) {
printf("Cannot find net_null_test0 vdev\n");
goto fail;
}
/* create second vdev */
if (rte_vdev_init("net_null_test1", "") < 0) {
printf("Failed to create vdev net_null_test1\n");
goto fail;
}
dev1 = vdev_bus->find_device(NULL, cmp_dev_name, "net_null_test1");
if (dev1 == NULL) {
printf("Cannot find net_null_test1 vdev\n");
goto fail;
}
/* try to match vdevs */
dev = get_matching_vdev("name=net_null_test0");
if (dev != dev0) {
printf("Cannot match net_null_test0 vdev\n");
goto fail;
}
dev = get_matching_vdev("name=net_null_test1");
if (dev != dev1) {
printf("Cannot match net_null_test1 vdev\n");
goto fail;
}
dev = get_matching_vdev("name=unexistant");
if (dev != NULL) {
printf("Unexistant vdev should not match\n");
goto fail;
}
dev = get_matching_vdev("");
if (dev == NULL || dev == dev1) {
printf("Cannot match any vdev with empty match string\n");
goto fail;
}
dev = get_matching_vdev(NULL);
if (dev == NULL || dev == dev1) {
printf("Cannot match any vdev with NULL match string\n");
goto fail;
}
/* iterate all vdevs, and ensure we find vdev0 and vdev1 */
RTE_DEV_FOREACH(dev, "bus=vdev", &dev_iter) {
if (dev == dev0)
dev0 = NULL;
else if (dev == dev1)
dev1 = NULL;
}
if (dev0 != NULL) {
printf("dev0 was not iterated\n");
goto fail;
}
if (dev1 != NULL) {
printf("dev1 was not iterated\n");
goto fail;
}
rte_vdev_uninit("net_null_test0");
rte_vdev_uninit("net_null_test1");
return 0;
fail:
rte_vdev_uninit("net_null_test0");
rte_vdev_uninit("net_null_test1");
return -1;
}
static int
test_vdev(void)
{
printf("== test vdev bus ==\n");
if (test_vdev_bus() < 0)
return -1;
return 0;
}
REGISTER_FAST_TEST(vdev_autotest, true, true, test_vdev);
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