From cf14a4d06742d59ecb2d837a3f53bb24d1ff9acb Mon Sep 17 00:00:00 2001
From: James Chapman <jchapman@katalix.com>
Date: Wed, 27 Jun 2007 15:43:43 -0700
Subject: [PATCH] [L2TP]: Changes to existing ppp and socket kernel headers for
 L2TP

Add struct sockaddr_pppol2tp to carry L2TP-specific address
information for the PPPoX (PPPoL2TP) socket. Unfortunately we can't
use the union inside struct sockaddr_pppox because the L2TP-specific
data is larger than the current size of the union and we must preserve
the size of struct sockaddr_pppox for binary compatibility.

Also add a PPPIOCGL2TPSTATS ioctl to allow userspace to obtain
L2TP counters and state from the kernel.

Add new if_pppol2tp.h header.

[ Modified to use aligned_u64 in statistics structure -DaveM ]

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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