if (sc->mx_info.mx_vid == PN_VENDORID) return (crc & ((1 << MX_BITS_PNIC_II) - 1));
static u_int32_t mx_calchash(addr)	u_int8_t		*addr;{	u_int32_t		idx, bit, data, crc;	/* Compute CRC for the address value. */	crc = 0xFFFFFFFF; /* initial value */	for (idx = 0; idx < 6; idx++) {		for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1)			crc = (crc >> 1) ^ (((crc ^ data) & 1) ? MX_POLY : 0);	}	return (crc & ((1 << MX_BITS) - 1));}