From 51846355bc239b7d229ed7a1ea7b0333cbd23f01 Mon Sep 17 00:00:00 2001
From: Atzm Watanabe <atzm@stratosphere.co.jp>
Date: Tue, 17 Dec 2013 22:53:32 +0900
Subject: [PATCH] packet: make aligned size of struct tpacket{2,3}_hdr clear

struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
We may add members to them until current aligned size without forcing
userspace to call getsockopt(..., PACKET_HDRLEN, ...).

Signed-off-by: Atzm Watanabe <atzm@stratosphere.co.jp>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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