NDISDUP+wwan for Huawei devices using the new 'huawei_cdc_ncm' driver

[Aleksander Morgado]

Hey Thomas,

> Short feedback for Telekom Speedstick III (alias Huawei E3276, no HILINK)
> 
> MM finds cdc-wdm0. 
> 
> The list of ports:
> 
> ttyUSB0 (at)
> ttyUSB1 (at)
> cdc-wdm0 (at)
> wwan0 (net)
> 

Good!

> 
> 
> In debug-mode I see also cdc-wdm0 is used for AT^NDISDUP...
> 

Good!

> 
> Negative things:
> 
> I still have the problem that dhcp does not work at linux-next-20131119-1 
> (from opensuse kernel next repository)
> 
> So I can not confirm that the whole connection is working.
> 
> Connect-state is visible via LED.
> 

Is that a known bug in the kernel? I probably missed it.


> Disconnect did not work: "Disconnection attempt not supported", after a long 
> time it has disconnected.
> 

I think I also have seen this, need to re-check.

> 
> The IPv6-test failed completely: "Only IPv4 is supported by this modem" - that 
> is not true.
> The (older)firmware-version: 21.260.05.02.55 (Telekom Branding) works with 
> IPv6. 
> 

Yeah, that's a hardcoded check in the Huawei plugin, need to revisit
IPv6 there some day.

-- 
Aleksander