compat: Detect and use nf_ipv6_ops->fragment.

[cascardo/ovs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index f1ee8f8..6b57403 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -388,6 +388,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_register_net_hook])
   OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hookfn.*nf_hook_ops],
                   [OVS_DEFINE([HAVE_NF_HOOKFN_ARG_OPS])])
+  OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter_ipv6.h], [nf_ipv6_ops],
+                        [fragment], [OVS_DEFINE([HAVE_NF_IPV6_OPS_FRAGMENT])])
 
   OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
                   [tmpl_alloc.*conntrack_zone],