linux-kernel - Re: [RFC] make wext wireless bits optional and deprecate them

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Message-ID: <20080521210352.GA11827@tuxdriver.com>
Date:	Wed, 21 May 2008 17:03:52 -0400
From:	"John W. Linville" <linville@...driver.com>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	netdev <netdev@...r.kernel.org>, Jean Tourrilhes <jt@....hp.com>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] make wext wireless bits optional and deprecate them

On Tue, May 20, 2008 at 07:15:31PM +0200, Johannes Berg wrote:
> On Sat, 2008-05-17 at 15:45 +0200, Marcel Holtmann wrote:
> > Hi Johannes,
> > 
> > > The /sys/class/net/*/wireless/ direcory is, as far as I know, not
> > > used by anyone. Additionally, the same data is available via wext
> > > ioctls. Hence the sysfs files are pretty much useless. This patch
> > > makes them optional and schedules them for removal.
> > 
> > it is used by HAL to classify WiFi network cards as net.80211 instead  
> > of net.80203 and so we do have an actual user. However HAL only tests  
> > for the existence of the directory wireless/.
> > 
> > Please fix HAL first before submitting such a patch.
> 
> I have filed a patch to fix HAL to use the canonical SIOCGIWNAME at
> https://bugs.freedesktop.org/show_bug.cgi?id=16037. Any further
> objections to this patch?

I think this is going to fall under the "userland ABI" category.
We can make it a configurable option, but I don't think we are free
to remove it completely since there is at least existing versions of
HAL that use it.

John
-- 
John W. Linville
linville@...driver.com
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