Subject: Re: [PATCH] cfg80211/mac80211: Add TX/RX commands for Action frames
From: Johannes Berg <johannes@sipsolutions.net>
To: Jouni Malinen <jouni.malinen@atheros.com>
Cc: "John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, j@w1.fi
In-Reply-To: <20100113101126.GA12548@jm.kir.nu>
References: <20100113101126.GA12548@jm.kir.nu>
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Date: Wed, 13 Jan 2010 11:19:11 +0100
Message-ID: <1263377951.5093.326.camel@johannes.local>
Mime-Version: 1.0
Sender: linux-wireless-owner@vger.kernel.org


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On Wed, 2010-01-13 at 12:11 +0200, Jouni Malinen wrote:
> The new commands can be used to implement user space -controlled
> Action frame exchanges. These can be used either to exchange Action
> frames on the current operational channel (e.g., with the AP with
> which we are currently associated) or to exchange off-channel Public
> Action frames with the remain-on-channel command.
>=20
> This patch adds couple of to-do items to handle rejecting of unknown
> Action frames. This is required by IEEE 802.11, but we do not
> currently handle it in mac80211. To do this properly with optional
> user space control of some Action frame subtypes, a new mechanism will
> be needed to register user space handlers and to unregister these when
> the netlink socket is closed.

I'm not sure we should be adding this before we at least add the API to
register for this from userspace, if somebody starts using it now it'll
be effectively broken when that fix comes along, no?

johannes

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