[ovs-dev] [PATCH 09/15] acinclude: Check for extended netlink ack presence

[Greg Rose]

RTNL ops validate and newlink now include the extended netlink
ack feature.  Check for it and set HAVE_EXT_ACK_IN_RTNL_LINKOPS
if found.

Signed-off-by: Greg Rose <gvrose8192 at gmail.com>
---
 acinclude.m4 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/acinclude.m4 b/acinclude.m4
index 772ff03..46efa69 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -771,6 +771,12 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_SKB_GSO_UDP])])
   OVS_GREP_IFELSE([$KSRC/include/net/dst.h],[DST_NOCACHE],
                   [OVS_DEFINE([HAVE_DST_NOCACHE])])
+  OVS_FIND_FIELD_IFELSE([$KSRC/include/net/rtnetlink.h], [rtnl_link_ops],
+                        [extack],
+                  [OVS_DEFINE([HAVE_EXT_ACK_IN_RTNL_LINKOPS])])
+  OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_ops],
+                        [list],
+                        [OVS_DEFINE([HAVE_LIST_IN_NF_HOOK_OPS])])
 
 
   if cmp -s datapath/linux/kcompat.h.new \
-- 
1.8.3.1