On Fri, 2022-09-09 at 19:29 -0300, Cesar Eduardo Barros wrote: > > From my quick look, it seems that it would set a NO-160MHZ flag in the > rule, which would then propagate to each 20MHz sub-channel, and probably > would lead to it rejecting the use of the whole as a 160MHz channel; but > there's also the 80+80 mode, which would still be allowed (and I vaguely > recall seeing somewhere that adjacent 80+80 was prefered over 160 for > some reason). Much hardware doesn't support it though. I guess it might be easier to do separate CCA in that case? Dunno. Anyway. > Unfortunately, I don't have any hardware which can use 160MHz channels; > it's only last month that I upgraded my AP to one which can use 80MHz > channels (which is what led me to looking into all this stuff). > Really what I wanted to say is that you should be able to compile a kernel with e.g. ARCH=um per the instructions at https://w1.fi/cgit/hostap/tree/tests/hwsim/vm/README and then test it all in "userspace" with hwsim in the userspace kernel. johannes
