From: Pravin B Shelar <pshelar@nicira.com>
Date: Mon, 13 May 2013 22:53:06 +0000 (-0700)
Subject: datapath: Fix compilation with Linux kernel 3.7.
X-Git-Tag: v1.9.3~22
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fovs.git;a=commitdiff_plain;h=088597fcf1652b096978b56d5c399c07460e1eda

datapath: Fix compilation with Linux kernel 3.7.

Definition of __sum16 and __wsum is moved to uapi header.
Following patch adds check in config script for second possible
header.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
---

diff --git a/acinclude.m4 b/acinclude.m4
index 7c5f53d51..d1271a49b 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -263,6 +263,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_BOOL_TYPE])])
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [__wsum],
                   [OVS_DEFINE([HAVE_CSUM_TYPES])])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/types.h], [__wsum],
+                  [OVS_DEFINE([HAVE_CSUM_TYPES])])
 
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_replace4])
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])