FreeBSD-8.0 802.11n support with ath

Rui Paulo rpaulo at gmail.com
Sun Feb 28 02:39:56 UTC 2010


Hi,

On 27 Feb 2010, at 20:29, Robert Watson wrote:

> 
> On Sat, 27 Feb 2010, Spil Oss wrote:
> 
>> Thanks for the confirmation!
>> 
>> Is anything known re. a timeline for implementation of wireless-N? (8.1? 9.0?)
> 
> I know that Rui Paulo is working on this actively; I've added him to the CC line as I'm not sure if he follows freebsd-stable.
> 
> Robert N M Watson
> Computer Laboratory
> University of Cambridge
> 
>> 
>> Kind regards,
>> 
>> Spil
>> 
>> On Sat, Feb 27, 2010 at 1:43 PM, Bernhard Schmidt
>> <bschmidt at techwires.net> wrote:
>>> On Sat, Feb 27, 2010 at 01:27:09PM +0100, Spil Oss wrote:
>>>> Hi All,
>>>> 
>>>> Got myself an Atheros AR5416 card to upgrade my HostAP to Wireless-N speed.
>>>> 
>>>> Somehow I can't find a way to convince the driver to go into 11n mode
>>>> 
>>>> # ifconfig wlan0 mode 11b
>>>> # ifconfig wlan0 mode 11g
>>>> # ifconfig wlan0 mode 11n
>>>> ifconfig: SIOCSIFMEDIA (media): Device not configured
>>> 
>>> It's either mode 11na or mode 11ng.
>>> 
>>>> The man-page for ifconfig specifies only 11a, 11b and 11g as modes.
>>>> The part is functioning fine in 11g mode.

The man page also specifies 11na and 11ng, so I hope you're running 8.0, at least.

>>>> 
>>>> Am I missing something obvious or is Wireless-N support not fully
>>>> implemented yet?
>>> 
>>> There is no rate control algo fuer 11n, afaik, you will only be able to
>>> use legacy rates.

Progress on supporting 11n with atheros cards is on going. There's much more to it than adapting the rate control algorithm. Please stay tuned.

Regards,
--
Rui Paulo



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