From: Michael Buesch <mb@bu3sch.de>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Ulrich Kunitz <kune@deine-taler.de>,
Daniel Drake <dsd@gentoo.org>,
John Linville <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org
Subject: Re: zd-mac80211: Fix TX status reports.
Date: Mon, 10 Sep 2007 12:58:39 +0200 [thread overview]
Message-ID: <200709101258.39619.mb@bu3sch.de> (raw)
In-Reply-To: <1189421542.4506.46.camel@johannes.berg>
On Monday 10 September 2007 12:52:21 Johannes Berg wrote:
> On Sun, 2007-09-09 at 12:58 +0200, Michael Buesch wrote:
>
> > Basically, the TX status report is only useful for the rate control
> > algorithm. So it's basically "only" statistics. But we have to
> > get these statistics approximately right to get the RC algo working
> > correctly. That is what this patch does. With it, the RC algo properly
> > scales up and down if the signal gets better or worse.
>
> Michael, this is unfortunately not true. At least hostapd relies on the
> ack callback because it requires stations to acknowledge the association
> response before advancing the state machine, and we have also made
> monitoring outgoing packets depend on the ack callback.
I think the ack callback is pretty reliable, so that should be OK.
It looks for the ACK in software.
--
Greetings Michael.
next prev parent reply other threads:[~2007-09-10 11:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-08 21:41 zd-mac80211: Fix TX status reports Michael Buesch
2007-09-09 10:05 ` Ulrich Kunitz
2007-09-09 10:58 ` Michael Buesch
2007-09-10 10:52 ` Johannes Berg
2007-09-10 10:58 ` Michael Buesch [this message]
2007-09-10 11:10 ` Johannes Berg
2007-09-11 3:50 ` Tomas Winkler
2007-09-11 7:52 ` Daniel Drake
2007-09-11 10:03 ` Tomas Winkler
2007-09-11 10:17 ` Johannes Berg
2007-09-11 10:20 ` Michael Buesch
2007-09-11 10:29 ` Johannes Berg
2007-09-11 10:52 ` Michael Buesch
2007-09-11 10:57 ` Johannes Berg
2007-09-11 22:32 ` Ulrich Kunitz
2007-09-12 8:40 ` Tomas Winkler
2007-09-12 8:54 ` Johannes Berg
2007-09-12 8:56 ` Johannes Berg
2007-09-13 5:56 ` Ulrich Kunitz
2007-09-13 7:15 ` Johannes Berg
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