From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: iproute2: l2tp support
Date: Thu, 29 Dec 2011 09:42:14 -0800
Message-ID: <20111229094214.238a1b8f@nehalam.linuxnetplumber.net>
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To: James Chapman <jchapman@katalix.com>
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I updated the latest iproute2 in git to include support for L2TP.
It is based on James's code but instead of using libnl, it uses netlink
directly (like I asked when rejecting the original patch).

In order to make netlink code in iproute2 cleaner, several libnetlink
have been updated.
  * unused junk argument to rtnl_dump_filter and rtnl_talk have
    been removed.
  * addattr_xx functions for building attributes added.
  * rta_getattr_XXX inline functions for the common case of
    looking at basic type attributes

This will show up in 3.2 version of iproute2 which is ready and
waiting for kernel release.