netdev - Re: [PATCH v2 1/2] mac80211: improved short preamble handling

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Message-ID: <20070719191513.GD6603@tuxdriver.com>
Date:	Thu, 19 Jul 2007 15:15:13 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Daniel Drake <dsd@...too.org>
Cc:	jbenc@...e.cz, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, rt2400-devel@...ts.sourceforge.net,
	mb@...sch.de, flamingice@...rmilk.net
Subject: Re: [PATCH v2 1/2] mac80211: improved short preamble handling

On Sun, Jul 15, 2007 at 03:07:39PM +0100, Daniel Drake wrote:
> Similarly to CTS protection, whether short preambles are used for 802.11b
> transmissions should be a per-subif setting, not device global.
> 
> For STAs, this patch makes short preamble handling automatic based on the ERP
> IE. For APs, hostapd still uses the prism ioctls, but the write ioctl has been
> restricted to AP-only subifs.
> 
> ieee80211_txrx_data.short_preamble (an unused field) was removed.
> 
> Unfortunately, some API changes were required for the following functions:
>  - ieee80211_generic_frame_duration
>  - ieee80211_rts_duration
>  - ieee80211_ctstoself_duration
>  - ieee80211_rts_get
>  - ieee80211_ctstoself_get
> Affected drivers (bcm43xx, rt2x00 and rtl8187) were updated accordingly.
> 
> Signed-off-by: Daniel Drake <dsd@...too.org>

Jiri, Michael -- this applies to upstream w/ just some offsets if you
ignore the driver bits that aren't upstream.  I'll be happy to handle
the patch monkeying if you are happy w/ this patch.

John
-- 
John W. Linville
linville@...driver.com
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