Re: [PATCH v2 2/2] mac80211: passively scan DFS channels if requested

[Antonio Quartulli <a@unstable.cc>]

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On Mon, Oct 24, 2016 at 03:33:24PM +0200, Johannes Berg wrote:
> 
> > > I think it would be reasonable only if the target channel is the
> > > one we are using and we have done CSA. But when scanning non-
> > > operative channels I don't think this could work.
> 
> > this has been sleeping for a while.. :)
> > Would it make sense to rebase it and resubmit it for inclusion?
> > 
> > Given the previous discussion we could change the logic as:
> > * always passively scan DFS channels that are not usable
> > * always actively scan DFS channels that are usable (i.e. CAC was
> > performed).
> 
> Doesn't that contradict what you said above?
> 
> If we scan, don't we possibly lose our CAC result anyway, since we went
> off-channel? In FCC at least? In ETSI I think we're allowed to do that
> for a bit?

argh. ok, I think I had forgotten about this detail.

> 
> Anyway, why not just always scan passively, to simplify?
> 

Probably better..ok let's do it this way.

Thanks !


-- 
Antonio Quartulli

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