linux-kernel - Re: [otus-devel] Release of Atheros 802.11n USB Linux driver

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Message-ID: <20081028005553.GE6377@tesla>
Date:	Mon, 27 Oct 2008 17:55:53 -0700
From:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
To:	Greg KH <greg@...ah.com>
CC:	"Luis R. Rodriguez" <mcgrof@...il.com>,
	"otus-devel@...ts.madwifi-project.org" 
	<otus-devel@...ts.madwifi-project.org>,
	Johannes Berg <johannes@...solutions.net>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Luis Rodriguez <Luis.Rodriguez@...eros.com>,
	Joey Krane <linuxbsd2004@...il.com>
Subject: Re: [otus-devel] Release of Atheros 802.11n USB Linux driver

On Mon, Oct 27, 2008 at 05:29:19PM -0700, Greg KH wrote:
> On Mon, Oct 27, 2008 at 04:35:11PM -0700, Luis R. Rodriguez wrote:
> > On Thu, Oct 23, 2008 at 4:11 AM, Luis R. Rodriguez
> > <lrodriguez@...eros.com> wrote:
> > > On Wed, Oct 22, 2008 at 11:26:55PM -0700, Greg KH wrote:
> > >> On Tue, Oct 21, 2008 at 11:50:45PM -0700, Greg KH wrote:
> > >> > On Tue, Oct 21, 2008 at 07:04:17PM -0700, Luis R. Rodriguez wrote:
> > >> > > We would like to see our Atheros 802.11n USB Linux driver upstream
> > >> > > however we need help with this so we are releasing our Atheros 11n USB
> > >> > > Otus Linux driver under the ISC to the community. The goal is to work
> > >> > > with the community to help move this forward upstream. We are hoping
> > >> > > for community help and leadership on this (*cough*).
> > >> >
> > >> > Yeah!
> > >> >
> > >> > I'll grab this and put it in drivers/staging/ so it gets some users and
> > >> > more developers to help out with it.
> > >>
> > >> Ok, it seems to need some basic work to merely build properly on
> > >> "modern" kernel versions.
> > >
> > > Yeah, it works up to 2.6.24.
> >
> > This is now fixed on the master branch, also the branch "for-upstream"
> > does a lot of cleanup I thought you may like before stuffing it into
> > staging like removing all KERNEL_VERSION checks, all wireless
> > extensions checks, some compile warnings, removal of compat, dos2unix,
> > use utf-8, etc. Unfortunately this still requires a specific version
> > of wpa_supplicant but it seems it works. Not sure what bars you have
> > for staging at this point.
> 
> Pretty much the only "bar" is "it compiles" :)
> 
> > Will you take this in, and expect patches for fixing it to use
> > standard wext and also report standard wireless statistic (yeap, this
> > is not there yet either).
> 
> Yes, I can do that.

Excellent, if no one send patches I guess I will.

> > Joey is one user which reported the driver working now with the
> > compile fixes for newer kernels for 2.6.28-rc2 using the specific
> > version of wpa_supplicant for it.
> >
> > Joey can you test the for-upstream branch on otus git?
> 
> If someone can tell me what device this is for, I can try to go buy it
> so that I can verify changes I make don't drasticly break things.

So we have a page for this now:

http://wireless.kernel.org/en/users/Drivers/otus

Init you can find a list of devices. Let me just paste what we have
there now:

Dlink

    * DWA-160A1 

Netgear

    * WNDA3100
    * WN111v2 

TP-Link

    * TL-WN821N 

AVM

    * FRITZ!WLAN N USB Stick (USB ID 0x57c, 0x8401) 

> I'll go try to get this tree into a buildable state and put it into
> staging tonight.

Thanks! BTW if you add a kconfig option for it please point users with
this info:

This driver requires its own supplicant driver for
wpa_supplicant 0.4.8. For your convenience you can find
the tarball here:

http://www.kernel.org/pub/linux/kernel/people/mcgrof/otus/wpa_supplicant-0.4.8_otus.tar.bz2

Before compiling wpa_supplicant, ensure your .config has atleast the
following

CONFIG_WIRELESS_EXTENSION=y
CONFIG_EAP_WSC=y
CONFIG_WSC_IE=y
CONFIG_DRIVER_WEXT=y
CONFIG_DRIVER_OTUS=y

After a successful compile, you can use the device with wpa_supplicant
as follows:

wpa_supplicant -Dotus -i <atheros device from ifconfig> -c /path/to/wpa_supplicant.conf -d

  Luis
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