> From: Gerhard Roth <gerhard_r...@genua.de> > Date: Thu, 9 Jun 2016 23:48:23 +0200 > > On 09.06.2016 23:42, Mark Kettenis wrote: > >> Date: Thu, 9 Jun 2016 22:59:28 +0200 (CEST) > >> From: Mark Kettenis <mark.kette...@xs4all.nl> > >> > >>> Date: Wed, 8 Jun 2016 15:08:52 +0200 > >>> From: Gerhard Roth <gerhard_r...@genua.de> > >>> > >>> I would be glad to hear from some people trying this with a real MBIM > >>> device. > >> > >> Sierra Wireless EM7345 4G LTE here. This devices currently attached > >> as umodem(4). But I did add its vendor id and device id to umb_devs, > >> which makes it partially attach: > >> > >> umb0 at uhub0 port 4 "Sierra Wireless Inc. Sierra Wireless EM7345 4G LTE" > >> rev 2.00/17.29 addr 2 > >> umb0: switching to config #1 > >> umb0: ignoring invalid segment size 1500 > >> umb0: ctrl_len=512, maxpktlen=8192, cap=0x4 > >> umb0: no control interface found > >> > >> (this is with UMB_DEBUG enabled) > >> > >> It seems this device needs some additional poking to select alternate > >> interface settings. > > > > With the appropriate alternate settings for the communication > > interface and data interface (1 and 2) hardcoded in the driver, this > > works! > > Great! > > Although another example of a device violating the MBIM spec which > clearly states that alternate settings 0 and 1 have to be used.
Which version of the spec are you looking at? Because my copy (Revision 1.0 Errata-1) clearly status alternate settings 1 and 2 have to be used ;). It does violate the spec for the maximumsegment size though.
