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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_memory.h>
#include <rte_log.h>
#include <rte_rib6.h>
#include <rte_fib6.h>
#include "test.h"
typedef int32_t (*rte_fib6_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)
/** Maximum number of tbl8 for 2-byte entries */
#define MAX_TBL8 (1 << 15)
/*
* Check that rte_fib6_create fails gracefully for incorrect user input
* arguments
*/
int32_t
test_create_invalid(void)
{
struct rte_fib6 *fib = NULL;
struct rte_fib6_conf config;
config.max_routes = MAX_ROUTES;
config.default_nh = 0;
config.type = RTE_FIB6_DUMMY;
/* rte_fib6_create: fib name == NULL */
fib = rte_fib6_create(NULL, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* rte_fib6_create: config == NULL */
fib = rte_fib6_create(__func__, SOCKET_ID_ANY, NULL);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* socket_id < -1 is invalid */
fib = rte_fib6_create(__func__, -2, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
/* rte_fib6_create: max_routes = 0 */
config.max_routes = 0;
fib = rte_fib6_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_FIB6_TYPE_MAX;
fib = rte_fib6_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
config.type = RTE_FIB6_TRIE;
config.trie.num_tbl8 = MAX_TBL8;
config.trie.nh_sz = RTE_FIB6_TRIE_8B + 1;
fib = rte_fib6_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib == NULL,
"Call succeeded with invalid parameters\n");
config.trie.nh_sz = RTE_FIB6_TRIE_8B;
config.trie.num_tbl8 = 0;
fib = rte_fib6_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_fib6 *fib = NULL;
struct rte_fib6_conf config;
int32_t i;
config.default_nh = 0;
config.type = RTE_FIB6_DUMMY;
for (i = 0; i < 100; i++) {
config.max_routes = MAX_ROUTES - i;
fib = rte_fib6_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
rte_fib6_free(fib);
}
/* Can not test free so return success */
return TEST_SUCCESS;
}
/*
* Call rte_fib6_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_fib6 *fib = NULL;
struct rte_fib6_conf config;
config.max_routes = MAX_ROUTES;
config.default_nh = 0;
config.type = RTE_FIB6_DUMMY;
fib = rte_fib6_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
rte_fib6_free(fib);
rte_fib6_free(NULL);
return TEST_SUCCESS;
}
/*
* Check that rte_fib6_add and rte_fib6_delete fails gracefully
* for incorrect user input arguments
*/
int32_t
test_add_del_invalid(void)
{
struct rte_fib6 *fib = NULL;
struct rte_fib6_conf config;
uint64_t nh = 100;
uint8_t ip[RTE_FIB6_IPV6_ADDR_SIZE] = {0};
int ret;
uint8_t depth = 24;
config.max_routes = MAX_ROUTES;
config.default_nh = 0;
config.type = RTE_FIB6_DUMMY;
/* rte_fib6_add: fib == NULL */
ret = rte_fib6_add(NULL, ip, depth, nh);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
/* rte_fib6_delete: fib == NULL */
ret = rte_fib6_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_fib6_create(__func__, SOCKET_ID_ANY, &config);
RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");
/* rte_fib6_add: depth > RTE_FIB6_MAXDEPTH */
ret = rte_fib6_add(fib, ip, RTE_FIB6_MAXDEPTH + 1, nh);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
/* rte_fib6_delete: depth > RTE_FIB6_MAXDEPTH */
ret = rte_fib6_delete(fib, ip, RTE_FIB6_MAXDEPTH + 1);
RTE_TEST_ASSERT(ret < 0,
"Call succeeded with invalid parameters\n");
rte_fib6_free(fib);
return TEST_SUCCESS;
}
/*
* Check that rte_fib6_get_dp and rte_fib6_get_rib fails gracefully
* for incorrect user input arguments
*/
int32_t
test_get_invalid(void)
{
void *p;
p = rte_fib6_get_dp(NULL);
RTE_TEST_ASSERT(p == NULL,
"Call succeeded with invalid parameters\n");
p = rte_fib6_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_fib6 *fib,
uint8_t ip_arr[RTE_FIB6_MAXDEPTH][RTE_FIB6_IPV6_ADDR_SIZE],
uint8_t ip_missing[][RTE_FIB6_IPV6_ADDR_SIZE], uint64_t def_nh,
uint32_t n)
{
uint64_t nh_arr[RTE_FIB6_MAXDEPTH];
int ret;
uint32_t i = 0;
ret = rte_fib6_lookup_bulk(fib, ip_arr, nh_arr, RTE_FIB6_MAXDEPTH);
RTE_TEST_ASSERT(ret == 0, "Failed to lookup\n");
for (; i <= RTE_FIB6_MAXDEPTH - n; i++)
RTE_TEST_ASSERT(nh_arr[i] == n,
"Failed to get proper nexthop\n");
for (; i < RTE_FIB6_MAXDEPTH; i++)
RTE_TEST_ASSERT(nh_arr[i] == --n,
"Failed to get proper nexthop\n");
ret = rte_fib6_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_fib6 *fib,
uint8_t ip_arr[RTE_FIB6_MAXDEPTH][RTE_FIB6_IPV6_ADDR_SIZE],
uint8_t ip_missing[][RTE_FIB6_IPV6_ADDR_SIZE], uint64_t def_nh,
uint32_t n)
{
uint64_t nh_arr[RTE_FIB6_MAXDEPTH];
int ret;
uint32_t i = 0;
ret = rte_fib6_lookup_bulk(fib, ip_arr, nh_arr, RTE_FIB6_MAXDEPTH);
RTE_TEST_ASSERT(ret == 0, "Failed to lookup\n");
for (; i < n; i++)
RTE_TEST_ASSERT(nh_arr[i] == RTE_FIB6_MAXDEPTH - i,
"Failed to get proper nexthop\n");
for (; i < RTE_FIB6_MAXDEPTH; i++)
RTE_TEST_ASSERT(nh_arr[i] == def_nh,
"Failed to get proper nexthop\n");
ret = rte_fib6_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_fib6 *fib)
{
uint64_t def_nh = 100;
uint8_t ip_arr[RTE_FIB6_MAXDEPTH][RTE_FIB6_IPV6_ADDR_SIZE];
uint8_t ip_add[RTE_FIB6_IPV6_ADDR_SIZE] = {0};
uint8_t ip_missing[1][RTE_FIB6_IPV6_ADDR_SIZE] = { {255} };
uint32_t i, j;
int ret;
ip_add[0] = 128;
ip_missing[0][0] = 127;
for (i = 0; i < RTE_FIB6_MAXDEPTH; i++) {
for (j = 0; j < RTE_FIB6_IPV6_ADDR_SIZE; j++) {
ip_arr[i][j] = ip_add[j] |
~get_msk_part(RTE_FIB6_MAXDEPTH - i, j);
}
}
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_FIB6_MAXDEPTH; i++) {
ret = rte_fib6_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_FIB6_MAXDEPTH; i > 1; i--) {
ret = rte_fib6_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_fib6_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_FIB6_MAXDEPTH; i++) {
ret = rte_fib6_add(fib, ip_add, RTE_FIB6_MAXDEPTH - i,
RTE_FIB6_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_FIB6_MAXDEPTH; i++) {
ret = rte_fib6_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_FIB6_MAXDEPTH - i);
RTE_TEST_ASSERT(ret == TEST_SUCCESS,
"Lookup and check fails\n");
}
return TEST_SUCCESS;
}
int32_t
test_lookup(void)
{
struct rte_fib6 *fib = NULL;
struct rte_fib6_conf config;
uint64_t def_nh = 100;
int ret;
config.max_routes = MAX_ROUTES;
config.default_nh = def_nh;
config.type = RTE_FIB6_DUMMY;
fib = rte_fib6_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_fib6_free(fib);
config.type = RTE_FIB6_TRIE;
config.trie.nh_sz = RTE_FIB6_TRIE_2B;
config.trie.num_tbl8 = MAX_TBL8 - 1;
fib = rte_fib6_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 TRIE_2B type\n");
rte_fib6_free(fib);
config.trie.nh_sz = RTE_FIB6_TRIE_4B;
config.trie.num_tbl8 = MAX_TBL8;
fib = rte_fib6_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 TRIE_4B type\n");
rte_fib6_free(fib);
config.trie.nh_sz = RTE_FIB6_TRIE_8B;
config.trie.num_tbl8 = MAX_TBL8;
fib = rte_fib6_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 TRIE_8B type\n");
rte_fib6_free(fib);
return TEST_SUCCESS;
}
static struct unit_test_suite fib6_fast_tests = {
.suite_name = "fib6 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 fib6_slow_tests = {
.suite_name = "fib6 slow autotest",
.setup = NULL,
.teardown = NULL,
.unit_test_cases = {
TEST_CASE(test_multiple_create),
TEST_CASES_END()
}
};
/*
* Do all unit tests.
*/
static int
test_fib6(void)
{
return unit_test_suite_runner(&fib6_fast_tests);
}
static int
test_slow_fib6(void)
{
return unit_test_suite_runner(&fib6_slow_tests);
}
REGISTER_TEST_COMMAND(fib6_autotest, test_fib6);
REGISTER_TEST_COMMAND(fib6_slow_autotest, test_slow_fib6);
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