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numam-dpdk/app/test/test_fib.c
Jie Zhou 3c60274c09 test: skip unsupported tests on Windows 
Skip tests which are not yet supported for Windows:
- The libraries that tests depend on are not enabled on Windows yet
- The tests can compile but with issue still under investigation
    * test_func_reentrancy:
      Windows EAL has no protection against repeated calls.
    * test_lcores:
      Execution enters an infinite loops, requires investigation.
    * test_rcu_qsbr_perf:
      Execution hangs on Windows, requires investigation.

Signed-off-by: Jie Zhou <jizh@linux.microsoft.com>
Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
2022-02-08 14:19:40 +01:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Vladimir Medvedkin <medvedkinv@gmail.com>
* Copyright(c) 2019 Intel Corporation
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <rte_ip.h>
#include <rte_log.h>
#include "test.h"
#ifdef RTE_EXEC_ENV_WINDOWS
static int
test_fib(void)
{
printf("fib not supported on Windows, skipping test\n");
return TEST_SKIPPED;
}
static int
test_slow_fib(void)
{
printf("slow_fib not supported on Windows, skipping test\n");
return TEST_SKIPPED;
}
#else
#include <rte_fib.h>
typedef int32_t (*rte_fib_test)(void);
static int32_t test_create_invalid(void);
static int32_t test_multiple_create(void);
static int32_t test_free_null(void);
static int32_t test_add_del_invalid(void);
static int32_t test_get_invalid(void);
static int32_t test_lookup(void);
#define MAX_ROUTES (1 << 16)
#define MAX_TBL8 (1 << 15)
/*
* Check that rte_fib_create fails gracefully for incorrect user input
* arguments
*/
int32_t
test_create_invalid(void)
{
struct rte_fib *fib = NULL;
struct rte_fib_conf config;
config.max_routes = MAX_ROUTES;
config.rib_ext_sz = 0;
config.default_nh = 0;
config.type = RTE_FIB_DUMMY;
/* rte_fib_create: fib name == NULL */
fib = rte_fib_create(NULL, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* rte_fib_create: config == NULL */
fib = rte_fib_create(__func__, SOCKET_ID_ANY, NULL);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* socket_id < -1 is invalid */
fib = rte_fib_create(__func__, -2, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* rte_fib_create: max_routes = 0 */
config.max_routes = 0;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
config.max_routes = MAX_ROUTES;
config.type = RTE_FIB_DIR24_8 + 1;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
config.type = RTE_FIB_DIR24_8;
config.dir24_8.num_tbl8 = MAX_TBL8;
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_8B + 1;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_8B;
config.dir24_8.num_tbl8 = 0;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
return TEST_SUCCESS;
}
/*
* Create fib table then delete fib table 10 times
* Use a slightly different rules size each time
*/
int32_t
test_multiple_create(void)
{
struct rte_fib *fib = NULL;
struct rte_fib_conf config;
int32_t i;
config.rib_ext_sz = 0;
config.default_nh = 0;
config.type = RTE_FIB_DUMMY;
for (i = 0; i < 100; i++) {
config.max_routes = MAX_ROUTES - i;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
rte_fib_free(fib);
}
/* Can not test free so return success */
return TEST_SUCCESS;
}
/*
* Call rte_fib_free for NULL pointer user input. Note: free has no return and
* therefore it is impossible to check for failure but this test is added to
* increase function coverage metrics and to validate that freeing null does
* not crash.
*/
int32_t
test_free_null(void)
{
struct rte_fib *fib = NULL;
struct rte_fib_conf config;
config.max_routes = MAX_ROUTES;
config.rib_ext_sz = 0;
config.default_nh = 0;
config.type = RTE_FIB_DUMMY;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
rte_fib_free(fib);
rte_fib_free(NULL);
return TEST_SUCCESS;
}
/*
* Check that rte_fib_add and rte_fib_delete fails gracefully
* for incorrect user input arguments
*/
int32_t
test_add_del_invalid(void)
{
struct rte_fib *fib = NULL;
struct rte_fib_conf config;
uint64_t nh = 100;
uint32_t ip = RTE_IPV4(0, 0, 0, 0);
int ret;
uint8_t depth = 24;
config.max_routes = MAX_ROUTES;
config.rib_ext_sz = 0;
config.default_nh = 0;
config.type = RTE_FIB_DUMMY;
/* rte_fib_add: fib == NULL */
ret = rte_fib_add(NULL, ip, depth, nh);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
/* rte_fib_delete: fib == NULL */
ret = rte_fib_delete(NULL, ip, depth);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
/*Create valid fib to use in rest of test. */
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
/* rte_fib_add: depth > RTE_FIB_MAXDEPTH */
ret = rte_fib_add(fib, ip, RTE_FIB_MAXDEPTH + 1, nh);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
/* rte_fib_delete: depth > RTE_FIB_MAXDEPTH */
ret = rte_fib_delete(fib, ip, RTE_FIB_MAXDEPTH + 1);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
rte_fib_free(fib);
return TEST_SUCCESS;
}
/*
* Check that rte_fib_get_dp and rte_fib_get_rib fails gracefully
* for incorrect user input arguments
*/
int32_t
test_get_invalid(void)
{
void *p;
p = rte_fib_get_dp(NULL);
RTE_TEST_ASSERT(p == NULL,
"Call succeeded with invalid parameters\n");
p = rte_fib_get_rib(NULL);
RTE_TEST_ASSERT(p == NULL,
"Call succeeded with invalid parameters\n");
return TEST_SUCCESS;
}
/*
* Add routes for one supernet with all possible depths and do lookup
* on each step
* After delete routes with doing lookup on each step
*/
static int
lookup_and_check_asc(struct rte_fib *fib, uint32_t ip_arr[RTE_FIB_MAXDEPTH],
uint32_t ip_missing, uint64_t def_nh, uint32_t n)
{
uint64_t nh_arr[RTE_FIB_MAXDEPTH];
int ret;
uint32_t i = 0;
ret = rte_fib_lookup_bulk(fib, ip_arr, nh_arr, RTE_FIB_MAXDEPTH);
RTE_TEST_ASSERT(ret == 0, "Failed to lookup\n");
for (; i <= RTE_FIB_MAXDEPTH - n; i++)
RTE_TEST_ASSERT(nh_arr[i] == n,
"Failed to get proper nexthop\n");
for (; i < RTE_FIB_MAXDEPTH; i++)
RTE_TEST_ASSERT(nh_arr[i] == --n,
"Failed to get proper nexthop\n");
ret = rte_fib_lookup_bulk(fib, &ip_missing, nh_arr, 1);
RTE_TEST_ASSERT((ret == 0) && (nh_arr[0] == def_nh),
"Failed to get proper nexthop\n");
return TEST_SUCCESS;
}
static int
lookup_and_check_desc(struct rte_fib *fib, uint32_t ip_arr[RTE_FIB_MAXDEPTH],
uint32_t ip_missing, uint64_t def_nh, uint32_t n)
{
uint64_t nh_arr[RTE_FIB_MAXDEPTH];
int ret;
uint32_t i = 0;
ret = rte_fib_lookup_bulk(fib, ip_arr, nh_arr, RTE_FIB_MAXDEPTH);
RTE_TEST_ASSERT(ret == 0, "Failed to lookup\n");
for (; i < n; i++)
RTE_TEST_ASSERT(nh_arr[i] == RTE_FIB_MAXDEPTH - i,
"Failed to get proper nexthop\n");
for (; i < RTE_FIB_MAXDEPTH; i++)
RTE_TEST_ASSERT(nh_arr[i] == def_nh,
"Failed to get proper nexthop\n");
ret = rte_fib_lookup_bulk(fib, &ip_missing, nh_arr, 1);
RTE_TEST_ASSERT((ret == 0) && (nh_arr[0] == def_nh),
"Failed to get proper nexthop\n");
return TEST_SUCCESS;
}
static int
check_fib(struct rte_fib *fib)
{
uint64_t def_nh = 100;
uint32_t ip_arr[RTE_FIB_MAXDEPTH];
uint32_t ip_add = RTE_IPV4(128, 0, 0, 0);
uint32_t i, ip_missing = RTE_IPV4(127, 255, 255, 255);
int ret;
for (i = 0; i < RTE_FIB_MAXDEPTH; i++)
ip_arr[i] = ip_add + (1ULL << i) - 1;
ret = lookup_and_check_desc(fib, ip_arr, ip_missing, def_nh, 0);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
for (i = 1; i <= RTE_FIB_MAXDEPTH; i++) {
ret = rte_fib_add(fib, ip_add, i, i);
RTE_TEST_ASSERT(ret == 0, "Failed to add a route\n");
ret = lookup_and_check_asc(fib, ip_arr, ip_missing,
def_nh, i);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
}
for (i = RTE_FIB_MAXDEPTH; i > 1; i--) {
ret = rte_fib_delete(fib, ip_add, i);
RTE_TEST_ASSERT(ret == 0, "Failed to delete a route\n");
ret = lookup_and_check_asc(fib, ip_arr, ip_missing,
def_nh, i - 1);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
}
ret = rte_fib_delete(fib, ip_add, i);
RTE_TEST_ASSERT(ret == 0, "Failed to delete a route\n");
ret = lookup_and_check_desc(fib, ip_arr, ip_missing, def_nh, 0);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
for (i = 0; i < RTE_FIB_MAXDEPTH; i++) {
ret = rte_fib_add(fib, ip_add, RTE_FIB_MAXDEPTH - i,
RTE_FIB_MAXDEPTH - i);
RTE_TEST_ASSERT(ret == 0, "Failed to add a route\n");
ret = lookup_and_check_desc(fib, ip_arr, ip_missing,
def_nh, i + 1);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
}
for (i = 1; i <= RTE_FIB_MAXDEPTH; i++) {
ret = rte_fib_delete(fib, ip_add, i);
RTE_TEST_ASSERT(ret == 0, "Failed to delete a route\n");
ret = lookup_and_check_desc(fib, ip_arr, ip_missing, def_nh,
RTE_FIB_MAXDEPTH - i);
RTE_TEST_ASSERT(ret == TEST_SUCCESS, "Lookup and check fails\n");
}
return TEST_SUCCESS;
}
int32_t
test_lookup(void)
{
struct rte_fib *fib = NULL;
struct rte_fib_conf config;
uint64_t def_nh = 100;
int ret;
config.max_routes = MAX_ROUTES;
config.rib_ext_sz = 0;
config.default_nh = def_nh;
config.type = RTE_FIB_DUMMY;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
ret = check_fib(fib);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Check_fib fails for DUMMY type\n");
rte_fib_free(fib);
config.type = RTE_FIB_DIR24_8;
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_1B;
config.dir24_8.num_tbl8 = 127;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
ret = check_fib(fib);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Check_fib fails for DIR24_8_1B type\n");
rte_fib_free(fib);
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_2B;
config.dir24_8.num_tbl8 = MAX_TBL8 - 1;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
ret = check_fib(fib);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Check_fib fails for DIR24_8_2B type\n");
rte_fib_free(fib);
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_4B;
config.dir24_8.num_tbl8 = MAX_TBL8;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
ret = check_fib(fib);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Check_fib fails for DIR24_8_4B type\n");
rte_fib_free(fib);
config.dir24_8.nh_sz = RTE_FIB_DIR24_8_8B;
config.dir24_8.num_tbl8 = MAX_TBL8;
fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
ret = check_fib(fib);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Check_fib fails for DIR24_8_8B type\n");
rte_fib_free(fib);
return TEST_SUCCESS;
}
static struct unit_test_suite fib_fast_tests = {
.suite_name = "fib autotest",
.setup = NULL,
.teardown = NULL,
.unit_test_cases = {
TEST_CASE(test_create_invalid),
TEST_CASE(test_free_null),
TEST_CASE(test_add_del_invalid),
TEST_CASE(test_get_invalid),
TEST_CASE(test_lookup),
TEST_CASES_END()
}
};
static struct unit_test_suite fib_slow_tests = {
.suite_name = "fib slow autotest",
.setup = NULL,
.teardown = NULL,
.unit_test_cases = {
TEST_CASE(test_multiple_create),
TEST_CASES_END()
}
};
/*
* Do all unit tests.
*/
static int
test_fib(void)
{
return unit_test_suite_runner(&fib_fast_tests);
}
static int
test_slow_fib(void)
{
return unit_test_suite_runner(&fib_slow_tests);
}
#endif /* !RTE_EXEC_ENV_WINDOWS */
REGISTER_TEST_COMMAND(fib_autotest, test_fib);
REGISTER_TEST_COMMAND(fib_slow_autotest, test_slow_fib);
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