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

[Johannes Berg <johannes@sipsolutions.net>]

> > 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?

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

johannes