From f6ab028804bdc580fe0915494dbf31f5ea473ca7 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 16 Nov 2006 02:36:50 -0800
Subject: [NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/checksum.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/net/checksum.h')

diff --git a/include/net/checksum.h b/include/net/checksum.h
index 2b3c8dc6c11d..124246172a88 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -92,4 +92,5 @@ static inline __wsum csum_unfold(__sum16 n)
 	return (__force __wsum)n;
 }
 
+#define CSUM_MANGLED_0 ((__force __sum16)0xffff)
 #endif
-- 
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