Date: Mon, 24 Oct 2016 21:35:10 +0800
From: Antonio Quartulli <a@unstable.cc>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org,
        Simon Wunderlich <sw@simonwunderlich.de>
Subject: Re: [PATCH v2 2/2] mac80211: passively scan DFS channels if requested
Message-ID: <20161024133510.GD8925@prodigo.lan> (sfid-20161024_153558_840649_259CC484)
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 <1448016547.3141.4.camel@sipsolutions.net>
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On Mon, Oct 24, 2016 at 03:33:24PM +0200, Johannes Berg wrote:
>=20
> > > 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.
>=20
> > this has been sleeping for a while.. :)
> > Would it make sense to rebase it and resubmit it for inclusion?
> >=20
> > 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).
>=20
> Doesn't that contradict what you said above?
>=20
> 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.

>=20
> Anyway, why not just always scan passively, to simplify?
>=20

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

Thanks !


--=20
Antonio Quartulli

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