Unable to connect using a Quectel EC25-E modem and libqmi 1.18.0
bjorn at mork.no
Thu Jun 29 07:48:33 UTC 2017
Bjørn Mork <bjorn at mork.no> writes:
> xyj <xuyj at smartkey.com.cn> writes:
>> Although IP obtained successfully, the information from `ip a` is quirk, for example:
>> 1: lo
>> 3. wwan0: <....>
>> link/none --> this line is quirk.
>> inet 10.49.172.92/29 scope global wwan0
>> Is it because of raw-ip mode? More knowledge to learn.
> There is no link layer. The first header is IP. So "link/none" is as
> precise as it gets :-)
> I did consider using a new "raw-ip" L2 header type, but couldn't find a
> real reason. The only effect would be pointless changes to all tools
> dealing with the link layer (ip, ifconfig etc). So "none" it is. This
> is similar to "tun" interfaces.
> There is more reason to complain about the ifconfig output IMHO. But
> that is an old ifconfig bug - it does not respect header length = 0.
I did meant to write "address length = 0", as you probably understood...
ifconfig should of course not be concerned about the header length.
> I don't think it is fixable though, as it has "always" been like that.
> People would probably complain if it changed. Besides, no one maintains
> ifconfig anyway.
> libqmi-devel mailing list
> libqmi-devel at lists.freedesktop.org
More information about the libqmi-devel