REQUEST_READ
if (request == REQUEST_READ)
ret = control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
rd_mac_len = control_read(dev, REQUEST_READ, 0,
rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_M,
rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_H,