datapath: Make GRE support conditional on CONFIG_NET_IPGRE_DEMUX.

[sliver-openvswitch.git] / datapath / vport-gre.c

diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
index 4f7be00..c74f5fc 100644 (file)
--- a/datapath/vport-gre.c
+++ b/datapath/vport-gre.c
@@ -16,6 +16,8 @@
  * 02110-1301, USA
  */
 
+#include <linux/kconfig.h>
+#if IS_ENABLED(CONFIG_NET_IPGRE_DEMUX)
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/if.h>
@@ -353,3 +355,4 @@ const struct vport_ops ovs_gre64_vport_ops = {
        .get_name       = gre_get_name,
        .send           = gre64_send,
 };
+#endif