[OpenWrt-Devel] [PATCH 1/2] wwan: Add support for CDC (Huawei 'HiLink') Modems

[Bruno Randolf]

On 02/23/2016 07:11 AM, Matti Laakso wrote:
>> Huawei HiLink ("h" model names) modems just provide a CDC Ethernet
>> interface
>> where we have to run DHCP to get an IP address (usually in the
>> 192.168.8.0
>> range). While this may be bad design in general it's sometimes
>> necessary to
>> support these modems.
>>
>> This adds autodetection and handling of these to wwan.
>>
>> Tested with Huawei E3030h-1.
> 
> Why do you need an extra protocol for these? They work just fine with
> the regular DHCP protocol.

Hi, sorry I saw this so late... (cc: please).

The reason is that I want different types of Modems to work with the
same interface configuration, using 'wwan'. E.g. it's configured like
this (/etc/config/network):

config interface 'umts'
	option proto	wwan
	option apn	internet.eplus.de
	option metric	4

And it will work with PPP, QMI, MBIM, HiLink or whatever modem supported
by "wwan" (which are hopefully more and more)... Doesn't that make
sense? It would help the user who doesn't want to guess wether QMI works
better than PPP for a specific modem and which serial port to use, etc...

bruno
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