On Wed, Apr 20, 2016 at 08:15:34PM +0200, David Coppa wrote:
> On Wed, Apr 20, 2016 at 5:28 PM, Bryan Vyhmeister <br...@bsdjournal.net> 
> wrote:
> > On Wed, Apr 20, 2016 at 11:12:04AM +0200, David Coppa wrote:
> >> It's a MBIM (Mobile Broadband Interface Model) device:
> >>
> >> https://www.kernel.org/doc/Documentation/networking/cdc_mbim.txt
> >
> > Thanks for the info. Sounds like a new driver is needed or lots of work
> > to extend umsm(4). If my research is correct, the older cards supported
> > by umsm(4) would be supported by the qcserial driver in Linux which is
> > totally different than this cdc_mbim driver. I will research the
> > situation further. For now I have an expensive Mini PCIe slot filler.
> 
> The vast majority of the devices supported by umsm(4) under OpenBSD
> require the "option" kernel module on Linux, the USB driver for GSM
> and CDMA modems.
> 
> http://lxr.free-electrons.com/source/drivers/usb/serial/option.c
> 
> https://wiki.gentoo.org/wiki/USB_mobile_broadband_modem

Assuming MBIM is something that would be worked on, would it make sense
to extend umsm(4) to support it or would it make more sense to have a
new driver like umbim(4) or something?

Bryan

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