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Message-Id: <200808281313.53163.bruno@thinktube.com>
Date: Thu, 28 Aug 2008 13:13:52 +0200
From: Bruno Randolf <bruno@...nktube.com>
To: "Tomas Winkler" <tomasw@...il.com>
Cc: "Luis R. Rodriguez" <lrodriguez@...eros.com>,
"Michael Buesch" <mb@...sch.de>,
"John W. Linville" <linville@...driver.com>,
"davem@...emloft.net" <davem@...emloft.net>,
"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: pull request: wireless-2.6 2008-08-26
On Thursday 28 August 2008 12:52:36 Tomas Winkler wrote:
> Do you know how the TSF is actually synchronized from the HW perspective?
no, unfortuately i have no idea. also i should admit that we have problems
with atheros hardware in that we don't know when the RX timestamp is taken
exactly. this means our IBSS merge can't be 100% exact. but the usual case we
need to catch is when the beacon TSF is much higher than the local TSF.
i don't care about IBSS power-save right now.
> > with the same HW but it did not work any more - i didn't have the time to
> > investigate this issue...
>
> There is another IBSS bug that was introduced connected to rates maybe
> this is also your problem.. we have something in the pipe that should
> solve this.
good, i'll retest once you subitted the patch.
> Sure but if TSF is not adopted correctly and that's the case probably
> of most of the drivers under mac80211 then it makes
> worth. Just need to be aware of this.
true, we need to find a way to support this hardware too...
bruno
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