diff --git a/lib/vrf.h b/lib/vrf.h
index d7b7998..653fabf 100644
--- a/lib/vrf.h
+++ b/lib/vrf.h
@@ -44,6 +44,8 @@
 
 #define VRF_NEW_HOOK        0   /* a new VRF is just created */
 #define VRF_DELETE_HOOK     1   /* a VRF is to be deleted */
+#define VRF_ENABLE_HOOK     2   /* a VRF is ready to use */
+#define VRF_DISABLE_HOOK    3   /* a VRF is to be unusable */
 
 /*
  * Add a specific hook to VRF module.
@@ -114,5 +116,12 @@
 extern void vrf_init (void);
 extern void vrf_terminate (void);
 
+/*
+ * VRF utilities
+ */
+
+/* Create a socket serving for the given VRF */
+extern int vrf_socket (int, int, int, vrf_id_t);
+
 #endif /*_ZEBRA_VRF_H*/