linux-kernel - RE: iwlwifi-driver card doesn't work with 3.19-rc2+

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Date:	Tue, 30 Dec 2014 14:38:02 +0000
From:	"Grumbach, Emmanuel" <emmanuel.grumbach@...el.com>
To:	Peter Hurley <peter@...leysoftware.com>,
	Emmanuel Grumbach <egrumbach@...il.com>,
	Jiri Kosina <jkosina@...e.cz>
CC:	"Berg, Johannes" <johannes.berg@...el.com>,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: iwlwifi-driver card doesn't work with 3.19-rc2+

> 
> On 12/30/2014 09:23 AM, Emmanuel Grumbach wrote:
> > On Tue, Dec 30, 2014 at 3:33 PM, Jiri Kosina <jkosina@...e.cz> wrote:
> >>
> >> Hi,
> >>
> >> I just booted current Linus' tree (5faa0154fe33) on my x200s
> >> thinkpad, and wifi doesn't work. iwconfig is telling me that wlan0
> >> interface has no wireless extensions.
> >>
> >
> > So why do you used them?
> > They have been deprecated for a couple of years now. You should be
> > using nl80211 based tools such as iw.
> 
> A couple of years is not very long where userspace is concerned.
> 
Well - the decently new wireless tools do talk nl80211.
You can still enable it (CFG80211_WEXT).
It has been disabled by:

commit 24a0aa212ee2dbe44360288684478d76a8e20a0a
Author: Johannes Berg <johannes.berg@...el.com>
Date:   Fri Nov 28 12:14:06 2014 +0100

    cfg80211: make WEXT compatibility unselectable