Subject: Re: [PATCH 1/1] mac80211: add direct probe before association
From: Johannes Berg <johannes@sipsolutions.net>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>, yi.zhu@intel.com,
	linux-wireless@vger.kernel.org
In-Reply-To: <20080801173044.GB14974@tuxdriver.com>
References: <1216076865-9826-1-git-send-email-tomas.winkler@intel.com>
	 <20080801173044.GB14974@tuxdriver.com>
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Date: Fri, 01 Aug 2008 20:06:04 +0200
Message-Id: <1217613965.8621.48.camel@johannes.berg> (sfid-20080801_200619_716099_D3BF8471)
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On Fri, 2008-08-01 at 13:30 -0400, John W. Linville wrote:
> On Tue, Jul 15, 2008 at 02:07:45AM +0300, Tomas Winkler wrote:
> > This patch adds a direct probe request as first step in the association
> > flow. Motivation of this step is to make sure that the bss information
> > we have is up to date, since last scan could have been done a while ago=
.
> > beacons do not fully answer this need as there are potential difference=
s
> > between them and probe responses (e.g. WMM parameter element)
> >=20
> > Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
> > Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
>=20
> Does this fix a bug?  Seems likely...

Could, if the AP changes something since we've last scanned, and we
probably want to do this anyway.

johannes

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