compat: Backport ip_skb_dst_mtu().

[cascardo/ovs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 5aaaa10..78da940 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -348,6 +348,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [inet_get_local_port_range.*net],
                   [OVS_DEFINE([HAVE_INET_GET_LOCAL_PORT_RANGE_USING_NET])])
   OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_is_fragment])
+  OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_skb_dst_mtu])
   OVS_GREP_IFELSE([$KSRC/include/net/dst_metadata.h], [metadata_dst])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/net.h], [sock_create_kern.*net],