netdev - [RFD] Network configuration data in sysfs

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Message-ID: <20111023233558.GA23264@shutemov.name>
Date:	Mon, 24 Oct 2011 02:35:58 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	netdev@...r.kernel.org
Cc:	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>,
	Alexey Gladkov <gladkov.alexey@...il.com>
Subject: [RFD] Network configuration data in sysfs

Hi,

Currently there's no way to set or inspect network configuration (protocol
addresses, routes, etc.) through sysfs. Yes, we have netlink interface for
this, but sysfs has advantage:

- change or inspect network configuration using standard unix utilities
  (echo, cat, etc.). It's useful at least in restricted environment where
  no special utilities available -- initrd or stripped down busybox.

- transparent udev support. It would be nice to get this information to
  udev.

Is there something fundamental preventing us to have sysfs interface for
network configuration?

-- 
 Kirill A. Shutemov
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