Hey, > > I am in the same situation and my Quectel BG770A-GL modem is using the > EMUX instead of the standard CMUX mode. > > Quectel is only providing full PPP support for this EMUX mode and so > would like to know what could be > the best way to add support for thoses /dev/pts virtual devices in MM ? > > Im using ModemManager 1.18, is it possible to "force" a port (without > udev) in MM ? >
I have not done any testing myself with this kind of ptys, but I don't think it should be very difficult to support them, at least e.g. manually. You can try to run the MM daemon with --test-no-udev, and then use mmcli --report-kernel-event to notify about the port additions as if they were notified by udev. See e.g. https://lists.freedesktop.org/archives/modemmanager-devel/2016-August/003269.html This approach *won't work* by default for ptys, but it may give you an initial way forward if you want to start testing custom MM changes to adjust the port probing to support these device types. The MMKernelDevice objects will need to be adjusted to support these device types that don't have a direct counterpart entry in sysfs. -- Aleksander
