MPTLAN_DRIVER
cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER);
case MPTLAN_DRIVER:
LanCtx = mpt_register(lan_reply, MPTLAN_DRIVER,
mpt_device_driver_register(&mptlan_driver, MPTLAN_DRIVER);
mpt_device_driver_deregister(MPTLAN_DRIVER);