EF4_MCAST_HASH_ENTRIES
bit = crc & (EF4_MCAST_HASH_ENTRIES - 1);
u8 byte[EF4_MCAST_HASH_ENTRIES / 8];
ef4_oword_t oword[EF4_MCAST_HASH_ENTRIES / sizeof(ef4_oword_t) / 8];