[ath9k-devel] getting 11n to work?

[Luis R. Rodriguez <lrodriguez@atheros.com>]

On Thu, Oct 29, 2009 at 12:22:59AM -0700, bnc at netspeed.com.au wrote:

iwlist is useless

> > iwlist wlan0 freq
> > wlan0     14 channels in total; available frequencies :
> >           Channel 01 : 2.412 GHz
> >           Channel 02 : 2.417 GHz
> >           Channel 03 : 2.422 GHz
> >           Channel 04 : 2.427 GHz
> >           Channel 05 : 2.432 GHz
> >           Channel 06 : 2.437 GHz
> >           Channel 07 : 2.442 GHz
> >           Channel 08 : 2.447 GHz
> >           Channel 09 : 2.452 GHz
> >           Channel 10 : 2.457 GHz
> >           Channel 11 : 2.462 GHz
> >           Channel 12 : 2.467 GHz
> >           Channel 13 : 2.472 GHz
> >           Channel 14 : 2.484 GHz
> >           Current Frequency=2.442 GHz (Channel 7)

iw list is what is good.

> > iw list
> > Wiphy phy0
> >         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 00 00 00 00 00 00 00 00 00 00 00 01 00
> > 00 00 HT TX/RX MCS rate indexes supported:
> >                         MCS index
> > 0 MCS index 1
> >                         MCS index
> > 2 MCS index 3
> >                         MCS index
> > 4 MCS index 5
> >                         MCS index
> > 6 MCS index 7

You get up to MCS 7 because of the card you have, if you have
a single stream device that is the highest MCS rate for it.

  Luis