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Date: Sun, 07 Feb 2010 13:01:56 -0800
From: Sam Leffler <sam@errno.com>
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To: Alexander Egorenkov <egorenar@googlemail.com>
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Cc: freebsd-net@freebsd.org, Rui Paulo <rpaulo@freebsd.org>
Subject: Re: HT rate set in net80211 not changeable for STA
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Alexander Egorenkov wrote:
> 
> 
> On Sat, Feb 6, 2010 at 10:52 PM, Sam Leffler <sam@errno.com 
> <mailto:sam@errno.com>> wrote:
> 
>     The advertised rate set should be initially set according to the
>     capabilities of the device.  There were no devices > 2x2 when I
>     wrote the code so MCS15 is the max.  To support such devices you
>     need to do more than just grow the rateset.
> 
> 
> But my device is a 2T2R  device and supports MCS32 (HT duplicate mode).
> 

MCS32 is special; as you indicate it forces duplicate signal on the 
upper and lower channels in HT40.  There is no support for MCS32 in 
net80211.

	Sam