On 20 February 2014 08:59, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > On Thu, 2014-02-20 at 08:57 +0100, Janusz Dziedzic wrote: > >> >> Yes, seems we should send this even this is 0. >> >> Next for old kernel, all channels where BW=0 will be HT20 only. >> > >> > Is that really a good idea? >> > >> > Maybe crda should just get the logic to determine maximum bandwidth, >> > like you did in the kernel, and then we can even revert the kernel code >> > again? >> > >> Yes, this is possible to calculate this in crda (or even set this manually). > > Ok. Would that help older kernels? How would we handle genregdb.awk? > In case of older kernels we will fail (end_freq - start_freq < bw) with -EINVAL. So, bw=0 (cfg calculation) seems like best idea - will work with new and old kernels. 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