Location of rmnet setup

Michał Mazur mkm at semihalf.com
Fri Oct 9 02:05:43 UTC 2020

Hi Aleksander,

Thank you for the reply. As you suggested I created MMPortRmnet to handle
data port setup:
It includes all the code that uses the rmnet library to configure devices
but it is not probed yet.


sob., 3 paź 2020 o 14:34 Aleksander Morgado <aleksander at aleksander.es>

> Hey Michał!
> >
> > We've decided to move the rmnet configuration to libqmi. It seems to be
> a better place because there is already a class for QRTR control socket.
> I would suggest discussing in the public mailing list or in gitlab
> issues this kind of thing, so that everyone can participate in the
> discussion.
> >
> >
> https://gitlab.freedesktop.org/mkm/libqmi/-/commit/3e063884efd6cc217e91be4601ee3b
> > This patch adds a new class for QRTR data port. During initialization it
> opens an INET socket to bring up the rmnet_ipa device and uses the rmnetctl
> library to create a virtual network device (rmnet_data0). This new device
> will be used in ModemManager.
> How is it that the "QRTR data port" does nothing with the QRTR
> protocol? Yes, this rmnet data port is the one that would be used for
> data while QRTR is used for control, but I don't think libqrtr would
> be the place to add this. From an outsider perspective, you could say
> you need libqmi+libqrtr for control, and rmnetctl to bring up the data
> network interface, but I wouldn't add this new object in libqrtr, as
> it really has nothing to do with the QRTR protocol itself.
> If you ask me, ModemManager is a better place for this, e.g. a let's
> say a MMPortRmnet object which would map the virtual network interface
> created with rmnetctl. Oh wait, I did already suggest something like
> this in a previous email that was never replied...
> --
> Aleksander
> https://aleksander.es
> _______________________________________________
> ModemManager-devel mailing list
> ModemManager-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
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