From: Michael Buesch <mb@bu3sch.de>
To: Daniel Drake <dsd@gentoo.org>
Subject: Re: [PATCH] mac80211: Export short-preamble bit to drivers
Date: Sat, 30 Jun 2007 14:47:10 +0200
Cc: Michael Wu <flamingice@sourmilk.net>,
	Johannes Berg <johannes@sipsolutions.net>,
	Jiri Benc <jbenc@suse.cz>,
	John Linville <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org
References: <200706251628.00838.mb@bu3sch.de> <200706291013.07660.mb@bu3sch.de> <46858A31.3050609@gentoo.org>
In-Reply-To: <46858A31.3050609@gentoo.org>
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On Saturday 30 June 2007 00:39:45 Daniel Drake wrote:
> Michael Buesch wrote:
> > Configure it for management/ctl frames that are sent in hw. We send them
> > with long preamble atm.
> 
> I am working on patches which will help you here. Currently mac80211's 
> handling of short preambles is correct for hostap/master mode but not 
> for a STA.
> 
> The interface I'm working on adding will be somewhat similar to the 
> softmac interface. That is, preambles are available on a per-frame basis 
> and the driver also gets a notification when the availability of short 
> preambles changes.
> 
> zd1211rw seems to have similar requirements for bcm43xx. The correct 
> behaviour (IMO) is to send frames with long preambles until mac80211 
> uses the above notification to tell you that short preambles are now 
> allowable. This is how zd1211rw-softmac does it.
> 
> I have written the code for the above but have not had time to test it 
> yet. Hopefully within the next few days...

Great!
So Jiri please drop my patch infavour of Daniel's.

-- 
Greetings Michael.