From: Pravin B Shelar <pshe...@nicira.com>
Following patch fixes compilation error on older kernel.
This is a crossport of commit 08d19ca9fef29b23826f1fb52e2368a9077783ca
from master.
Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
Acked-by: Jesse Gross <je...@nicira.com>
---
datapath/linux/compat/include/net/checksum.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/datapath/linux/compat/include/net/checksum.h
b/datapath/linux/compat/include/net/checksum.h
index ee64f24..502d02d 100644
--- a/datapath/linux/compat/include/net/checksum.h
+++ b/datapath/linux/compat/include/net/checksum.h
@@ -38,4 +38,8 @@ static inline void csum_replace2(__sum16 *sum, __be16 from,
__be16 to)
(__force __be32)(to), pseudohdr)
#endif
+#ifndef CSUM_MANGLED_0
+#define CSUM_MANGLED_0 ((__force __sum16)0xffff)
+#endif
+
#endif /* checksum.h */
--
1.7.2.5
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