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Harald Welte laforge at gnumonks.orgOn Mon, Jun 29, 2009 at 03:24:37PM +0200, Dieter Spaar wrote:
> Hello Harald,
>
> On Sun, 28 Jun 2009 23:23:01 +0200, "Harald Welte" <laforge at gnumonks.org> wrote:
> >
> > However, since Dieter has been seeing the measurement reports, I would hope he
> > is able to verify wether it works for him with the current git version of
> > OpenBSC, or what kind of changes he needs to make it work. Sorry :(
>
> I tested it with the git version from yesterday. The TRX0 is
> configured properly, I can see that the attributes are set as
> they should. I can also see the measurement reports in my custom
> traces (I set NM_ATT_BS11_RADIO_MEAS_GRAN to 0x05).
>
> I don't use mISDN on Linux (I use Cygwin on Windows with my custom
> driver). However I had to adjust my custom driver to see the
> measurement reports in bsc_hack. The reason is that the measurement
> reports are sent as LAPD UI-Frames and not as LAPD I-Frames and I did
> not yet take care of UI-Frames. Maybe there is a similar problem with
> mISDN and UI-Frames.
Thanks!
UI frames should be reported to userspace as DL_UNITDATA_IND rather than
DL_DATA_IND. openbsc/input/misdn.c currently doesn't support DL_UNITDATA_IND
in the switch statement of handle_ts1_read. That sounds like the most likely
cause.
--
- Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/
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