Function test4

dpdk/app/test/test_lpm6.c:247–280

* Check that rte_lpm6_add fails gracefully for incorrect user input arguments */

 * Check that rte_lpm6_add fails gracefully for incorrect user input arguments
 */
int32_t
test4(void)
{
	struct rte_lpm6 *lpm = NULL;
	struct rte_lpm6_config config;

	uint8_t ip[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
	uint8_t depth = 24, next_hop = 100;
	int32_t status = 0;

	config.max_rules = MAX_RULES;
	config.number_tbl8s = NUMBER_TBL8S;
	config.flags = 0;

	/* rte_lpm6_add: lpm == NULL */
	status = rte_lpm6_add(NULL, ip, depth, next_hop);
	TEST_LPM_ASSERT(status < 0);

	/*Create valid lpm to use in rest of test. */
	lpm = rte_lpm6_create(__func__, SOCKET_ID_ANY, &config);
	TEST_LPM_ASSERT(lpm != NULL);

	/* rte_lpm6_add: depth < 1 */
	status = rte_lpm6_add(lpm, ip, 0, next_hop);
	TEST_LPM_ASSERT(status < 0);

	/* rte_lpm6_add: depth > MAX_DEPTH */
	status = rte_lpm6_add(lpm, ip, (MAX_DEPTH + 1), next_hop);
	TEST_LPM_ASSERT(status < 0);

	rte_lpm6_free(lpm);

	return PASS;
}

/*
 * Check that rte_lpm6_delete fails gracefully for incorrect user input