linux-kernel - Re: [PATCH] net-sysfs: Add entry for nl80211 interface type

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Date:	Thu, 18 Apr 2013 08:14:35 +0200
From:	Nicolas Cavallari <Nicolas.Cavallari@....fr>
To:	Johannes Berg <johannes@...solutions.net>
CC:	Bing Zhao <bzhao@...vell.com>, linux-netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paul Stewart <pstew@...omium.org>
Subject: Re: [PATCH] net-sysfs: Add entry for nl80211 interface type

On 18/04/2013 00:09, Johannes Berg wrote:
> On Wed, 2013-04-17 at 15:06 -0700, Bing Zhao wrote:
>> Add a "wireless/nl80211_iftype" entry in the net device sysfs
>> file structure to indicate the mode of the wireless device so
>> it can be discovered easily from userspace.
> 
> What's wrong with "iw dev", i.e. netlink/nl80211?

"Do NOT screenscrape this tool, we don't consider its output stable."

So if you are in a shell script, you're basically screwed.
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