Support vlan_group workaround implemented in XenServer kernels.

[sliver-openvswitch.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 5843bfa..fa6f534 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -211,6 +211,9 @@ AC_DEFUN([OVS_CHECK_LINUX26_COMPAT], [
 
   OVS_GREP_IFELSE([$KSRC26/include/linux/if_link.h], [rtnl_link_stats64])
 
+  OVS_GREP_IFELSE([$KSRC26/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
+                  [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
+
   OVS_CHECK_LOG2_H
 
   if cmp -s datapath/linux-2.6/kcompat.h.new \