Cc: linux-wireless@vger.kernel.org
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Date: Fri, 27 Feb 2009 10:53:12 +0100
From: "Alina Friedrichsen" <x-alina@gmx.net>
In-Reply-To: <18855.43002.100899.931613@gargle.gargle.HOWL>
Message-ID: <20090227095312.291210@gmx.net> (sfid-20090227_105319_660044_8A3DC54F)
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References: <18855.26210.618690.891378@gargle.gargle.HOWL>
	<20090227082545.291220@gmx.net> <18855.43002.100899.931613@gargle.gargle.HOWL>
Subject: Re: IBSS issues
To: Sujith <Sujith.Manoharan@atheros.com>
Sender: linux-wireless-owner@vger.kernel.org

Hi Sujith!

> When peer2 joins the cell, the next TBTT is calculated based on the
> received beacon's
> timestamp. And since the TSF is reset in __ieee80211_sta_join_ibss(),=
 to
> program
> the TBTT timers, the timestamp is needed.

But is it calculated only one time after the join? The TSF value in the=
 template is really fast outdated. I think why not let __ieee80211_sta_=
join_ibss() call the set_tsf() callback, so that the TSF is mostly sync=
ed from the beginning on and fine-tuned later by the hardware?

Note: set_tsf() callback is currently broken for newer chipsets. I had =
posted a patch, but this was forgotten to apply. But I can repost it, i=
n the hope that it will be applied now.

Regards
Alina

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