diff --git a/src/vnet/devices/netlink.h b/src/vnet/devices/netlink.h
new file mode 100644
index 0000000..3d5a366
--- /dev/null
+++ b/src/vnet/devices/netlink.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_vnet_device_netlink_h
+#define included_vnet_device_netlink_h
+
+clib_error_t *vnet_netlink_set_if_mtu (int ifindex, int mtu);
+clib_error_t *vnet_netlink_set_if_namespace (int ifindex, char *net_ns);
+
+#endif /* included_vnet_device_netlink_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */