On Tue, 2016-11-29 at 16:36 -0500, Don Zickus wrote: > On Tue, Nov 29, 2016 at 01:28:42PM -0800, Brennan Ashton wrote: > > > > > > > > > > > > > I have had to resort to using the HCI interface to work with > > > > scanning > > > > and advertising beacon packets. I had mentioned in an earlier > > > > thread > > > > the issue with duplicates. Not only do you end up with a lot > > > > of > > > > spam > > > > on the dbus interface you end up with an ever increasing number > > > > of > > > > bluetooth devices. The Bluetooth mesh uses this transport, so > > > > I > > > > really > > > > would like to see a nice interface to support rx/tx of these > > > > packets. > > > > > > Hi, > > > > > > Sorry for being ignorant (as I can't quite find the filter > > > duplicate > > > code > > > other than the setting of the bit), but would throttling work > > > here? Cap the > > > duplicates at say every 100ms or 10x/second. That probably won't > > > help with > > > power consumption (unless start/stop of the radio is quick?). > > > > > > Just trying to help move this along.. willing to code/test. > > > > > > Cheers, > > > Don > > > > > The thread I mentioned is here: > > https://marc.info/?t=147345134200002&r=1&w=2 > > > > The constant of interest is this LE_SCAN_FILTER_DUP_ENABLE. I had > > to > > recompile with this disabled because I never wanted the filter for > > my > > application. I had proposed making this an option in the adaptor > > interface, but there did not seem to be any interest. > > Hi Brennan, > > Yup, I saw that thread earlier and that flag. I wasn't sure how that > flag > was being propagated. Does it go right to the device? I guess I > thought > the kernel was filtering duplicates, but perhaps not? > > Cheers, > Don It is set in all the LE_SET_SCAN_ENABLE HCI requests so the device is doing the actual filtering. -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
