Subject: Re: [RFT 1/4] mac80211: make master netdev handling sane
From: Johannes Berg <johannes@sipsolutions.net>
To: Kalle Valo <kalle.valo@nokia.com>
Cc: linux-wireless@vger.kernel.org
In-Reply-To: <87tzf3p1no.fsf@nokia.com>
References: <20080705234735.210585000@sipsolutions.net>
	 <20080705235012.501072000@sipsolutions.net>  <87tzf3p1no.fsf@nokia.com>
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Date: Tue, 08 Jul 2008 12:03:27 +0200
Message-Id: <1215511407.9610.18.camel@johannes.berg> (sfid-20080708_120419_090350_0113979C)
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Sender: linux-wireless-owner@vger.kernel.org


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> Are there any devices on the market which properly support PSM in
> Ad-Hoc mode? At least N800/N810 don't support it.=20

I haven't got a clue. I didn't even know the N810 supported ad-hoc until
I connected it to another network and it saved it ;)

> I have heard that the standard is quite unclear regarding this. And,
> after seeing the countless ways APs have managed to break PSM in
> infrastructure mode, I can only imagine what kind of interoperability
> problems there are with PSM in Ad-Hoc mode :)
>=20
> So I think we should forget PSM in Ad-Hoc mode, at least for now.

I briefly looked at 802.11-2007 and couldn't really figure out what is
required and what isn't so it does seem a little unclear. I agree with
you on this point, if somebody cares to research it should be easy to
add back since we're not removing the AP mode code.

johannes

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