[RFC] new 'AUTO' open flag to automatically select QMI or QMI-over-MBIM

Aleksander Morgado aleksander at aleksander.es
Fri Feb 10 18:10:16 UTC 2017

On Sun, Jan 29, 2017 at 1:44 PM, Aleksander Morgado
<aleksander at aleksander.es> wrote:
> I've pushed a new aleksander/check-driver branch to upstream git,
> which includes a new QMI_DEVICE_OPEN_FLAGS_AUTO flag for QmiDevice. If
> this flag is given, the QmiDevice will check which kernel driver is
> managing the cdc-wdm port, and then select whether QMI-over-MBIM
> should be enabled or just use plain QMI.
> qmicli (and therefore qmi-network) and qmi-firmware-update will *by
> default* use this new flag, so that you can run the commands without
> requiring to know in advance which driver is managing the device. Both
> programs also include a new --device-open-auto option, which is anyway
> the default.
> If you still want to force QMI over MBIM, the
> QMI_DEVICE_OPEN_FLAGS_MBIM in QmiDevice may be used (or
> --device-open-mbim in qmicli and qmi-firmware-update).
> If you now want to force QMI and avoid the auto checking, just pass
> QmiDevice (or the new --device-open-qmi in qmicli and
> qmi-firmware-update).
> I wanted to leave the possibility of forcing QMI or QMI-over-MBIM in
> case someone finds the new auto flag as problematic for some reason.
> We may want to deprecate+remove the non-auto options in the future,
> though.
> Comments? Branch reviews also welcome :)

This is now in git master.

I've also fixed the MBIM close command management on qmicli calls; we
now properly open+close the MBIM channel on each command when not
using the proxy.


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