Function test17

dpdk/app/test/test_lpm.c:1134–1206

* Test for overwriting of tbl8: * - add rule /32 and lookup * - add new rule /24 and lookup * - add third rule /25 and lookup * - lookup /32 and /24 rule to ensure the table has not been overwritten. */

 *	- lookup /32 and /24 rule to ensure the table has not been overwritten.
 */
int32_t
test17(void)
{
	struct rte_lpm *lpm = NULL;
	struct rte_lpm_config config;

	config.max_rules = MAX_RULES;
	config.number_tbl8s = NUMBER_TBL8S;
	config.flags = 0;
	const uint32_t ip_10_32 = RTE_IPV4(10, 10, 10, 2);
	const uint32_t ip_10_24 = RTE_IPV4(10, 10, 10, 0);
	const uint32_t ip_20_25 = RTE_IPV4(10, 10, 20, 2);
	const uint8_t d_ip_10_32 = 32,
			d_ip_10_24 = 24,
			d_ip_20_25 = 25;
	const uint32_t next_hop_ip_10_32 = 100,
			next_hop_ip_10_24 = 105,
			next_hop_ip_20_25 = 111;
	uint32_t next_hop_return = 0;
	int32_t status = 0;

	lpm = rte_lpm_create(__func__, SOCKET_ID_ANY, &config);
	TEST_LPM_ASSERT(lpm != NULL);

	if ((status = rte_lpm_add(lpm, ip_10_32, d_ip_10_32,
			next_hop_ip_10_32)) < 0)
		return -1;

	status = rte_lpm_lookup(lpm, ip_10_32, &next_hop_return);
	uint32_t test_hop_10_32 = next_hop_return;
	TEST_LPM_ASSERT(status == 0);
	TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_32);

	if ((status = rte_lpm_add(lpm, ip_10_24, d_ip_10_24,
			next_hop_ip_10_24)) < 0)
			return -1;

	status = rte_lpm_lookup(lpm, ip_10_24, &next_hop_return);
	uint32_t test_hop_10_24 = next_hop_return;
	TEST_LPM_ASSERT(status == 0);
	TEST_LPM_ASSERT(next_hop_return == next_hop_ip_10_24);

	if ((status = rte_lpm_add(lpm, ip_20_25, d_ip_20_25,
			next_hop_ip_20_25)) < 0)
		return -1;

	status = rte_lpm_lookup(lpm, ip_20_25, &next_hop_return);
	uint32_t test_hop_20_25 = next_hop_return;
	TEST_LPM_ASSERT(status == 0);
	TEST_LPM_ASSERT(next_hop_return == next_hop_ip_20_25);

	if (test_hop_10_32 == test_hop_10_24) {
		printf("Next hop return equal\n");
		return -1;
	}

	if (test_hop_10_24 == test_hop_20_25) {
		printf("Next hop return equal\n");