/*
* Verify that hash functions return what they are expected to return
* (using precalculated values stored above)
*/
static int
verify_precalculated_hash_func_tests(void)
{
unsigned i, j;
uint8_t key[64];
uint32_t hash;
for (i = 0; i < 64; i++)
key[i] = (uint8_t) i;
for (i = 0; i < sizeof(hashtest_key_lens) / sizeof(uint32_t); i++) {
for (j = 0; j < sizeof(hashtest_initvals) / sizeof(uint32_t); j++) {
hash = rte_jhash(key, hashtest_key_lens[i],
hashtest_initvals[j]);
if (hash != hash_values_jhash[j][i]) {
printf("jhash for %u bytes with initial value 0x%x."
"Expected 0x%x, but got 0x%x\n",
hashtest_key_lens[i], hashtest_initvals[j],
hash_values_jhash[j][i], hash);
return -1;
}
hash = rte_hash_crc(key, hashtest_key_lens[i],
hashtest_initvals[j]);
if (hash != hash_values_crc[j][i]) {
printf("CRC for %u bytes with initial value 0x%x."
"Expected 0x%x, but got 0x%x\n",
hashtest_key_lens[i], hashtest_initvals[j],
hash_values_crc[j][i], hash);
return -1;
}
}
}
return 0;
}
// Make rte_hash_crc available to Rust. This adds some cost, will look into producing a pure Rust version.
uint32_t crc_hash_native(const void* data, uint32_t len, uint32_t initial) {
return rte_hash_crc(data, len, initial);
}
