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Message-ID: <20061003222707.GB1790@bougret.hpl.hp.com>
Date: Tue, 3 Oct 2006 15:27:07 -0700
From: Jean Tourrilhes <jt@....hp.com>
To: Jeff Garzik <jeff@...zik.org>
Cc: "John W. Linville" <linville@...driver.com>,
Linus Torvalds <torvalds@...l.org>,
Lee Revell <rlrevell@...-job.com>,
Alessandro Suardi <alessandro.suardi@...il.com>,
Norbert Preining <preining@...ic.at>, hostap@...oo.com,
Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
johannes@...solutions.net
Subject: Re: wpa supplicant/ipw3945, ESSID last char missing
On Tue, Oct 03, 2006 at 05:48:11PM -0400, Jeff Garzik wrote:
> John W. Linville wrote:
> >Unfortunately, I don't see any way to "fix" WE-21 without similarly
> >breaking wireless-tools 29 and other "WE-21 aware" apps. And since
> >I'll bet that the various WE-aware apps have checks like "if WE >
> >20" for managing ESSID length settings, we may have painted ourselves
> >into a korner (sic).
>
> The apps are based on a pre-release kernel, which everyone knows could
> change, precisely for reasons like this. Sounds like somebody took a
> risk, and lost...
>
> Jeff
Jeff,
Let's not make a mountain of this molehill. If you want to use
old versions of Wireless Tools and wpa_supplicant with WE-21, what you
need is just to add a dummy character at the end of your ESSID. And
everything will be fine.
Also, there is no other way to update cleanly a kernel API
than to push userspace first. I think I took way more care in term of
smoothing over the API transition than any other kernel subsystem, so
I don't know what could have been done better. I don't remember this
level of flamewar when those other subsystems did change their
userspace APIs.
I try to be constructive about all this, so let's find a way
forward without loosing perspective.
Regards,
Jean
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