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/*
* Copyright (c) 2019 Cisco
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <unistd.h>
#include <setjmp.h>
#include <stdarg.h>
#include <cmocka.h>
#include "scvpp_test.h"
#include <scvpp/ip.h>
#include <scvpp/interface.h>
#include <scvpp/comm.h>
static void test_add_remove_ipv4(void **state)
{
UNUSED(state);
const char ip_q[VPP_IP4_ADDRESS_STRING_LEN] = "192.168.100.144";
char ip_r[VPP_IP4_ADDRESS_STRING_LEN];
u8 prefix_q = 24;
u8 prefix_r;
int rc;
//add ipv4 on tap0
rc = ipv46_config_add_remove("tap0", ip_q, prefix_q, false, true);
assert_int_equal(rc, SCVPP_OK);
//dump ipv4 on tap0 and check if it mach
rc = ipv46_address_dump("tap0", ip_r, &prefix_r, false);
assert_int_equal(rc, SCVPP_OK);
assert_string_equal(ip_q, ip_r);
assert_int_equal(prefix_q, prefix_r);
//remove ipv4 on tap0
rc = ipv46_config_add_remove("tap0", ip_q, prefix_q, false, false);
assert_int_equal(rc, SCVPP_OK);
//dump ipv4 after removal and check if equals 0.0.0.0
rc = ipv46_address_dump("tap0", ip_r, &prefix_r, false);
assert_int_equal(rc, SCVPP_OK);
assert_string_equal(ip_r, "0.0.0.0");
}
static void test_ipv4_add_del_route_no_iface(void **state)
{
UNUSED(state);
int rc;
char dst_address[VPP_IP4_ADDRESS_STRING_LEN] = "192.168.100.0";
uint8_t prefix_len = 24;
char next_hop[VPP_IP4_ADDRESS_STRING_LEN] = "192.168.100.100";
uint32_t table_id = 0;
fib_dump_t *dump;
struct elt *stack;
bool route_found = false;
/* Must fail, can not have both interface and next hop IP null */
rc = ipv46_config_add_del_route(dst_address, prefix_len, NULL, true,
table_id, NULL);
assert_int_equal(rc, -SCVPP_EINVAL);
rc = ipv46_config_add_del_route(dst_address, prefix_len, next_hop, true,
table_id, NULL);
assert_int_equal(rc, SCVPP_OK);
/* Dump all FIB routes and check if we find ours */
stack = ipv4_fib_dump_all();
assert_non_null(stack);
foreach_stack_elt(stack) {
dump = (fib_dump_t *) data;
if (strncmp(sc_ntoa(dump->address), dst_address,
VPP_IP4_ADDRESS_STRING_LEN) == 0 &&
dump->address_length == prefix_len) {
route_found = true;
assert_int_equal(dump->table_id, table_id);
assert_int_equal(dump->count, 1);
assert_string_equal(sc_ntoa(dump->path[0].next_hop), next_hop);
}
free(dump);
}
assert_true(route_found);
/* Delete previously set route */
rc = ipv46_config_add_del_route(dst_address, prefix_len, next_hop, false,
table_id, NULL);
assert_int_equal(rc, SCVPP_OK);
/* Check our route has been deleted */
route_found = false;
stack = ipv4_fib_dump_all();
assert_non_null(stack);
foreach_stack_elt(stack) {
dump = (fib_dump_t *) data;
if (strncmp(sc_ntoa(dump->address), dst_address,
VPP_IP4_ADDRESS_STRING_LEN) == 0 &&
dump->address_length == prefix_len) {
route_found = true;
}
free(dump);
}
assert_false(route_found);
}
static void test_ipv4_add_del_route_no_next_hop_ip(void **state)
{
UNUSED(state);
int rc;
char dst_address[VPP_IP4_ADDRESS_STRING_LEN] = "192.168.100.0";
uint8_t prefix_len = 24;
char interface[VPP_IP4_ADDRESS_STRING_LEN] = "tap0";
uint32_t table_id = 0;
uint32_t sw_if_index;
fib_dump_t *dump;
struct elt *stack;
bool route_found = false;
//Add a new route
rc = ipv46_config_add_del_route(dst_address, prefix_len, NULL, true,
table_id, interface);
assert_int_equal(rc, SCVPP_OK);
//Dump all FIB routes and check we find ours
stack = ipv4_fib_dump_all();
assert_non_null(stack);
rc = get_interface_id(interface, &sw_if_index);
assert_int_equal(rc, SCVPP_OK);
foreach_stack_elt(stack) {
dump = (fib_dump_t *) data;
if (strncmp(sc_ntoa(dump->address), dst_address,
VPP_IP4_ADDRESS_STRING_LEN) == 0 &&
dump->address_length == prefix_len) {
route_found = true;
assert_int_equal(dump->table_id, table_id);
assert_int_equal(dump->count, 1);
assert_int_equal(dump->path[0].sw_if_index, sw_if_index);
}
free(dump);
}
assert_true(route_found);
//Delete route
rc = ipv46_config_add_del_route(dst_address, prefix_len, NULL, false,
table_id, interface);
assert_int_equal(rc, SCVPP_OK);
//Check our route has been deleted
route_found = false;
stack = ipv4_fib_dump_all();
assert_non_null(stack);
foreach_stack_elt(stack) {
dump = (fib_dump_t *) data;
if (strncmp(sc_ntoa(dump->address), dst_address,
VPP_IP4_ADDRESS_STRING_LEN) == 0 &&
dump->address_length == prefix_len) {
route_found = true;
}
free(dump);
}
assert_false(route_found);
}
const struct CMUnitTest ip_tests[IP_TEST_SIZE] = {
cmocka_unit_test(test_add_remove_ipv4),
cmocka_unit_test(test_ipv4_add_del_route_no_next_hop_ip),
cmocka_unit_test(test_ipv4_add_del_route_no_iface),
};
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