2014-06-11 7:24 GMT+02:00 Arik Nemtsov <arik@xxxxxxxxxx>: > On Wed, Jun 11, 2014 at 12:28 AM, Luis R. Rodriguez > <mcgrof@xxxxxxxxxxxxxxxx> wrote: >> On Tue, May 20, 2014 at 5:31 AM, Arik Nemtsov <arik@xxxxxxxxxx> wrote: >>> On Tue, May 20, 2014 at 12:54 PM, Luis R. Rodriguez >>> <mcgrof@xxxxxxxxxxxxxxxx> wrote: >>>> On Tue, May 20, 2014 at 2:25 AM, Arik Nemtsov <arik@xxxxxxxxxx> wrote: >>>>> >>>>> Why won't old regdb rules work? The NL80211_RRF_NO_160MHZ for instance >>>>> is not used anywhere in old or new regdbs. >>>>> So all the new code in reg_get_max_bandwidth is ignored in current or >>>>> older crda/regdb flows. >>>>> >>>>> What am I missing? >>>> >>>> It will also be ignored on newer kernels using old wireless-regdb. >>> >>> Is that a problem? >> >> I would have not brought it up otherwise. >> >>> Note that the new flags don't permit more things, but only narrow down >>> the range. So if VHT80 was blocked due to the range, it will still be >>> blocked. >>> Don't really see a reason to use them in newer regdbs either. Like you >>> said - range only is more scalable. >> >> You can keep all those bells and whistles provided you respect old >> userspace and old behavior first. > > I guess I'm waiting for some direction on what need to be changed. > AFAICT, these flags don't hurt old userspace and/or new kernels using > an old wireless-regdb. > Can you propose a scenario where the new flags harm something older? > The flag NL80211_RRF_NO_80MHZ could be usefull I think. eg to fix world regd veryfication issue we have: Current failing line: (2457 - 2482 @ 40), (20), NO-IR --> 2482 - 2457 = 25 < 40 Fixed line could be: (2457 - 2482 @ 40), (20), NO-IR, AUTO-BW, NO-80MHZ Without NO-80MHZ - AUTO-BW will setup BW=80MHz - I am not sure this is OK for 2.4? But setting NO-80MHZ and AUTO-BW flags we will get what expect? BR Janusz -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
