From e4d26f4b080f55e9577b45e6b51a04971eb459e9 Mon Sep 17 00:00:00 2001
From: Atzm Watanabe <atzm@stratosphere.co.jp>
Date: Tue, 17 Dec 2013 22:53:36 +0900
Subject: packet: fill the gap of TPACKET_ALIGNMENT with zeros
struct tpacket{2,3}_hdr is aligned to a multiple of TPACKET_ALIGNMENT.
Explicitly defining and zeroing the gap of this makes additional changes
easier.
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>
---
include/uapi/linux/if_packet.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'include/uapi/linux/if_packet.h')
diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h
index 1e24aa701cb..9185dc9a448 100644
--- a/include/uapi/linux/if_packet.h
+++ b/include/uapi/linux/if_packet.h
@@ -133,7 +133,7 @@ struct tpacket2_hdr {
__u32 tp_sec;
__u32 tp_nsec;
__u16 tp_vlan_tci;
- __u16 tp_padding;
+ __u8 tp_padding[6];
};
struct tpacket_hdr_variant1 {
@@ -154,6 +154,7 @@ struct tpacket3_hdr {
union {
struct tpacket_hdr_variant1 hv1;
};
+ __u8 tp_padding[12];
};
struct tpacket_bd_ts {
--
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