netdev - [PATCH net-next 2/2] include/uapi/linux/xfrm.h: Pack struct xfrm_usersa

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Message-ID: <1389077339-12814-3-git-send-email-fan.du@windriver.com>
Date:	Tue, 7 Jan 2014 14:48:59 +0800
From:	Fan Du <fan.du@...driver.com>
To:	<steffen.klassert@...unet.com>
CC:	<davem@...emloft.net>, <stephen@...workplumber.org>,
	<dev@...ts.strongswan.org>, <netdev@...r.kernel.org>
Subject: [PATCH net-next 2/2] include/uapi/linux/xfrm.h: Pack struct xfrm_usersa_info

Otherwise 64bits kernel has sizeof(struct xfrm_usersa_info) 224 bytes,
while 32bits compiled iproute2 see the same structure as 220 bytes, which
leading deficit xfrm sa, in turn broken IPsec connectivity.

Fix this by packing the structure.

Signed-off-by: Fan Du <fan.du@...driver.com>
---
 include/uapi/linux/xfrm.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 470bfae..61460c4 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -366,7 +366,7 @@ struct xfrm_usersa_info {
 #define XFRM_STATE_AF_UNSPEC	32
 #define XFRM_STATE_ALIGN4	64
 #define XFRM_STATE_ESN		128
-};
+} __attribute__((packed));
 
 #define XFRM_SA_XFLAG_DONT_ENCAP_DSCP	1
 
-- 
1.7.9.5

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