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

John Crispin blogic at openwrt.org
Thu Feb 25 02:23:18 EST 2016

On 24/02/2016 09:08, Bruno Randolf wrote:
> On 02/24/2016 06:11 AM, Matti Laakso wrote:
>>> 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...
>> That's a good goal, but I think it's confusing for the user when apn and
>> pin options don't work with HiLink modems but do work with all other
>> modems handled by wwan.
> Well, you can see it the other way round: they are not needed for HiLink
> modems and it will "just work"... :)
> bruno

i have to say i agree most with bruno but i need to think about this a
bit and i'll test it with the 2 hilinks i have here. i believe that
having the wwan proto handle most of the options is desirable as it will
not only unify the code path but also the config path which at the end
will increase usability.

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