From mboxrd@z Thu Jan  1 00:00:00 1970
From: Luis R. Rodriguez <lrodriguez@atheros.com>
Date: Tue, 3 Feb 2009 16:55:53 -0800
Subject: [ath9k-devel] iw only shows 54mbps for ath9k
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On Tue, Feb 03, 2009 at 04:41:00PM -0800, Amit Sood wrote:
> hi,
> 
> I'm using AR5416 (WMP300N v2) chipset with latest compat-wireless ath9k driver. when I do iw list, it only shows the card speed till 54mb. Do i need something to enable the for n capabilities?
> 
> here is the output of iw:
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Wiphy phy2
>         Band 1:
>                 HT capabilities: 0x104e
>                          * 20/40 MHz operation
>                          * SM PS disabled
>                          * 40 MHz short GI
>                          * max A-MSDU len 3839
>                          * DSSS/CCK 40 MHz
>                 HT A-MPDU factor: 0x0003 (65535 bytes)
>                 HT A-MPDU density: 0x0006 (8 usec)
>                 HT MCS set: ff ff 00 00 00 00 00 00 00 00 00 00 01 00 00 00

The supported MCS indexes are entangled above. You could use the iw patch I
posted yesterday to decipher it. It has not yet been merged. But I can also
already tell you your card supports up to MCS index 15.

  Luis