linux-kernel - Re: [PATCH] staging: r8712u: Fix driver to support ad-hoc mode

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Date:	Mon, 2 May 2011 13:08:19 +0800
From:	Jeff Chua <jeff.chua.linux@...il.com>
To:	clemens fischer <ino-news@...tteswoode.dnsalias.org>
Cc:	Larry Finger <Larry.Finger@...inger.net>,
	Greg Kroah-Hartman <gregkh@...e.de>, wlanfae@...ltek.com,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Johannes Berg <johannes@...solutions.net>
Subject: Re: [PATCH] staging: r8712u: Fix driver to support ad-hoc mode

On Mon, May 2, 2011 at 3:55 AM, clemens fischer
<ino-news@...tteswoode.dnsalias.org> wrote:
>> Jeff Chua:
>
>> On Mon, May 2, 2011 at 12:40 AM, clemens fischer
>>
>> >> Jeff Chua:
>>
>> >> You wish just came true. To use plain iwconfig with wpa_supplicant,
>>
>> That was my mistake. It should read "To use plain iwconfig _WITHOUT_
>> wpa_supplicant" ...
>
> Ahh!  Very good!  Have to try it now... and it works indeed!  This is
> nice.  I never tried all combinations in the order of applying sbin/ip
> and sbin/iwconfig.  Did you simply try or was the hint burried in the
> sources somewhere?

On the intel 4965 and even newer iwlagn module, it's still works the
same ... meaning configuring the wep keys first before bringing up the
interface. There was bug 3 years in the intel 4965 module very similar
to this one. Back the, Thomas and Johannes were kind enough to help
tracing down the bug.

> To clarify things:  I needed to make an access-point, but didn't want to
> buy proper, ie. supported hardware at this time, so I settled for adhoc.
> It works good enough, even if I have to monitor traffic from time to
> time for breakins due to weak WEP security.

Just be careful of the "tiny" usb stick. It's small, very small, so
the signal is also "weak" (30% weaker ... my guess only) compared to
the build-in wireless on my X220 notebook.

Jeff
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