[Huawei] NDISSTATQRY? instead of DHCP? to check successful connection

[Dan Williams]

On Thu, 2013-07-11 at 18:35 +0200, Enrico Mioso wrote:
> Yes - you need to do that mac trick - otherwise you won't be able to receiver 
> any packaget after DHCP succeeds.
> However - yes, this modem supports ndisdup, not emitting ndisstat unsolicited 
> messages aniway.
> You surely know that, using the windows-mode message, this device is handled by 
> qmi_wwan.

We really should get usb_modeswitch to change to teh windows mode
message then...  Basically, if we can use QMI, we shoudl use QMI, since
it's a much more capable API than AT commands are.

Dan