Function verify_jhash_32bits

dpdk/app/test/test_hash_functions.c:185–216

* Verify that rte_jhash and rte_jhash_32b return the same */

 * Verify that rte_jhash and rte_jhash_32b return the same
 */
static int
verify_jhash_32bits(void)
{
	unsigned i, j;
	uint8_t key[64];
	uint32_t hash, hash32;

	for (i = 0; i < 64; i++)
		key[i] = rand() & 0xff;

	for (i = 0; i < RTE_DIM(hashtest_key_lens); i++) {
		for (j = 0; j < RTE_DIM(hashtest_initvals); j++) {
			/* Key size must be multiple of 4 (32 bits) */
			if ((hashtest_key_lens[i] & 0x3) == 0) {
				hash = rte_jhash(key, hashtest_key_lens[i],
						hashtest_initvals[j]);
				/* Divide key length by 4 in rte_jhash for 32 bits */
				hash32 = rte_jhash_32b((const unaligned_uint32_t *)key,
						hashtest_key_lens[i] >> 2,
						hashtest_initvals[j]);
				if (hash != hash32) {
					printf("rte_jhash returns different value (0x%x)"
					       "than rte_jhash_32b (0x%x)\n",
					       hash, hash32);
					return -1;
				}
			}
		}
	}

	return 0;
}

/*
 * Verify that rte_jhash and rte_jhash_1word, rte_jhash_2words