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Date:      Mon, 1 Mar 2010 02:41:12 +0000
From:      Rui Paulo <rpaulo@gmail.com>
To:        Jim Pingle <lists@pingle.org>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: FreeBSD-8.0 802.11n support with ath/mwl
Message-ID:  <5E979157-9E68-4C08-81BD-14255B038D7F@gmail.com>
In-Reply-To: <4B8B25E0.4060604@pingle.org>
References:  <5fbf03c21002270427s74d0f067gb76cfe10c2794121@mail.gmail.com>	<20100227124308.GA28213@mx.techwires.net>	<5fbf03c21002270501l2e388ec9tbdad684d38609861@mail.gmail.com>	<alpine.BSF.2.00.1002272029130.49218@fledge.watson.org> <C816D0F2-67CD-4361-8FD3-376F7619EF46@gmail.com> <4B89E174.1060802@pingle.org> <1B1F52CC-FF36-4432-9345-73BB673EE7E8@gmail.com> <4B8AAA0B.4010402@pingle.org> <3BA70425-5413-4E04-AA91-85B699B1D8EF@gmail.com> <4B8B25E0.4060604@pingle.org>

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On 1 Mar 2010, at 02:26, Jim Pingle wrote:

> On 2/28/2010 7:03 PM, Rui Paulo wrote:
>> On 28 Feb 2010, at 17:38, Jim Pingle wrote:
>>> Are there some other bits that need set in order to have clients
>>> associate with HT rates? Or some other prerequisite conditions such =
as
>>> number of attached antennae? I do only have one antenna attached as =
I
>>> didn't have a second pigtail for this test unit's case. The card
>>> actually has three connectors.
>>=20
>> Having only 1 antenna connected will likely impact your connection.
>=20
> I'll hook up two more and try again when I get a chance, I just need =
to
> pull them from a working unit that isn't using its wifi currently.
>=20
>>> I didn't see hints in the mwl(4), wlan(4), hostapd(8), =
hostapd.conf(5),
>>> or ifconfig(8) man pages about troubleshooting rates. I see plenty =
of
>>> talk in ifconfig(8) about use and control of HT rates, but given =
what
>>> I'm seeing in ifconfig, it should be set to use them. I've tried =
several
>>> combinations of channels and standards (e.g. 11ng, 11na) but always =
end
>>> up with a 54Mbps link.
>>>=20
>>> I'd appreciate any more pointers that you (or anyone else reading) =
may
>>> have. I'd like to write up something on the topic once I get it =
fully
>>> operational.
>>=20
>> I don't know what's happening, but I guess your Windows 7 laptop =
isn't sending the necessary HT rates in the association. Try using =
wlandebug to see what's happening.
>=20
> Ah, I wasn't aware of wlandebug(8). However, it doesn't seem to =
operate
> on this mwl(4) card. It sets the value of the sysctl net.wlan.0.debug
> and that doesn't show up on my system. Another system with a ral(4) =
card
> does have that sysctl. Judging by the information in the wlandebug(8)
> man page it appears as though this may be a side effect of mwl doing
> much of the work in firmware.
>=20
> I appreciate the information though, thanks for taking the time to
> reply. I'll continue to work on this again once I relocate some =
pigtails
> from another box.

wlandebug takes an -i argument. I seem to recall you created your wlan =
interface named "mwl_wlan0", so you need to type wlandebug -i mwl_wlan0.

--
Rui Paulo




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