Re: [PATCH 3.15] cfg80211: allow restricting supported dfs regions

[Johannes Berg <johannes@sipsolutions.net>]

On Mon, 2014-05-05 at 11:20 +0200, Felix Fietkau wrote:

> >> Add a bitmap in the interface combinations, indicating which DFS regions
> >> are supported by the detector.
> > 
> > Does that make sense? It seems unlikely to me that it would be interface
> > combination specific?
> Having it there made about as much sense to me as having the supportede
> channel width there :)
> Got any better suggestions?

Not really, it does make sense to group them, though the only real
reason to do it there originally was to prohibit multi-channel usage
with radar detection, so that made sense ... I have no real problem
doing this here as well.

> > I think it's already questionable to put this in after -rc4, in
> > particular with the userspace advertising part. Can we do anything
> > else? 
> I mostly pushed it for 3.15, because right now you can already enable
> DFS and it will bring it up on a FCC regdomain and it will appear to be
> working (but probably just not recognize any radars).
> 
> However, now that I look at the description of the options that you have
> to enable, it should be clear enough that this is not guaranteed to be
> functional yet, so I guess it can wait for 3.16.

Ok.

johannes