802.11n on obsd

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802.11n on obsd

Shoufu Luo
Hi,

Does OBSD support real 802.11n? It seems not. Although many 802.11n devices
are claimed supported, 802.11n capability is mostly not excluded, like
run(4), otus(4), urtwn(4).

And, btw, how to find the official status page, for example, about
supported hardward, the list provided in the page
http://openbsd.org/i386.html seems not updated.


-Shoufu

---
No randomness.

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Re: 802.11n on obsd

Jérémie Courrèges-Anglas-2
Sean Shoufu Luo <[hidden email]> writes:

> Hi,

Hi,

> Does OBSD support real 802.11n? It seems not. Although many 802.11n devices
> are claimed supported, 802.11n capability is mostly not excluded, like
> run(4), otus(4), urtwn(4).

This has already been asked many times in the past.

From the manpage of one of the wifi card drivers I use:

CAVEATS
   The iwn driver does not support any of the 802.11n capabilities offered
   by the adapters.  Additional work is required in ieee80211(9) before
   those features can be supported.

The manpages you mention say the same.

> And, btw, how to find the official status page, for example, about
> supported hardward, the list provided in the page
> http://openbsd.org/i386.html seems not updated.

www.openbsd.org and openbsd.org aren't the same machines, you should
prefer the former.  But they're in sync and both have this cvs Id on the
i386.html page:

    $OpenBSD: i386.html,v 1.713 2013/01/30 09:47:46 kirby Exp $

I can't think of something both official and more and up-to-date.

Regards,
--
Jérémie Courrèges-Anglas
GPG Key fingerprint: 61DB D9A0 00A4 67CF 2A90  8961 6191 8FBF 06A1 1494

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Re: 802.11n on obsd

Stuart Henderson
In reply to this post by Shoufu Luo
On 2013-03-03, Sean Shoufu Luo <[hidden email]> wrote:
> Hi,
>
> Does OBSD support real 802.11n? It seems not. Although many 802.11n devices
> are claimed supported, 802.11n capability is mostly not excluded, like
> run(4), otus(4), urtwn(4).

No. It's not specific to a particular driver, there is no support in
the ieee80211(9) layer yet.

> And, btw, how to find the official status page, for example, about
> supported hardward, the list provided in the page
> http://openbsd.org/i386.html seems not updated.

You are right, this list is out of date and doesn't even list some
supported drivers (e.g. ahci), let alone devices.

I don't think we can hope to maintain a full list of particular hardware
models here (the driver manpages are probably the best place for these),
but we should at least list all the drivers.

I would welcome a diff to add any missing drivers present in GENERIC,
and possibly also remove some of the particular hardware models in
favour of a note suggesting that people follow the links to driver
manpages for more information. Most if not all changes made to i386
would also apply to amd64 and maybe some other arch.