On Thu, 2013-04-04 at 19:48 +0200, Bjørn Mork wrote: > I was hoping to help finishing the MM MBIM support, but have to realize > that available spare time is insufficient... And with no one sponsoring > Aleksander's work I guess MBIM just will have to wait. > > This means that we should ensure that MBIM devices continue to work > using whatever legacy mode they have. There are several issues here: > > 1) devices like the Sierra Wireless MC7710 using multiple > configurations, where the first interface of the legacy configuration > is vendor specific. The Linux kernel (USB core) will select the MBIM > configuration by default because non-vendor-specific configurations > are preferred. > > Could be worked around using udev rules > > 2) devices like the Huawei E367, using multiple configurations to > support legacy modeswitching and MBIM. The Linux kernel will select > the modeswitching configuration because it is first and has a proper > class (mass-storage). But usb_modeswitch will switch to the MBIM > configuration instead of traditional modeswitching if the cdc_mbim > driver is available > > Could be worked around using usb_modeswitch config > > 3) devices like the Ericsson H5321gw, having NCM compatible MBIM > interfaces using different altsettings. > > Could be forced to NCM by setting the cdc_ncm parameter "prefer_mbim" > (new in Linux v3.8.5/v3.9) to false.
I forget, is this a module parameter? If so, that's a non-starter because userspace programs shouldn't really be loading/unloading modules or playing around with module parameters... Dan > I believe MM should implement the suggested workarounds until it > supports MBIM. This will ensure that MM works with these MBIM devices, > using legacy modes. And it enables us to switch to MBIM when MM is ready > for that. > > > > Bjørn > _______________________________________________ > networkmanager-list mailing list > [email protected] > https://mail.gnome.org/mailman/listinfo/networkmanager-list _______________________________________________ networkmanager-list mailing list [email protected] https://mail.gnome.org/mailman/listinfo/networkmanager-list
