[RFC] Support for raw-ip only modems in libqmi/qmicli/qmi-network

[Aleksander Morgado]

On Sat, Jan 2, 2016 at 11:14 PM, Bjørn Mork <bjorn at mork.no> wrote:
> This also made me realize one flaw in the kernel side solution:
>
>  bjorn at nemi:~$ qmicli -d /dev/cdc-wdm0  --set-expected-data-format=raw-ip
>  error: cannot set expected data format: Expected data format not updated properly: Failed to open file '/sys/class/net/wwan0/qmi/raw_ip' for R/W: Permission denied
>
>
> The sysfs file and the cdc-wdmX character device permissions are in no
> way connected, but I guess that will be somewhat confusing.  I really
> haven't thought enough (or much at all..) on how this should work.  But
> I guess it can (and should?) be left for userspace to figure out?

In libqmi we can ship udev rules to change ownership/group of the
cdc-wdm devices. Are we able to do the same with the sysfs files? Or
is there some restriction on what we can do with those files?

-- 
Aleksander
https://aleksander.es