diff --git a/include/libgtpnl/gtpnl.h b/include/libgtpnl/gtpnl.h
index 49ba03d..33bb275 100644
--- a/include/libgtpnl/gtpnl.h
+++ b/include/libgtpnl/gtpnl.h
@@ -17,6 +17,7 @@
 struct in_addr;
 
 int gtp_dev_create(int dest_ns, const char *gtp_ifname, int fd0, int fd1);
+int gtp_dev_create_sgsn(int dest_ns, const char *gtp_ifname, int fd0, int fd1);
 int gtp_dev_config(const char *iface, struct in_addr *net, uint32_t prefix);
 int gtp_dev_destroy(const char *gtp_ifname);
 
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index a3f53c9..c66ebbd 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -518,11 +518,18 @@
 #define IFLA_GENEVE_MAX	(__IFLA_GENEVE_MAX - 1)
 
 /* GTP section */
+
+enum ifla_gtp_role {
+	GTP_ROLE_GGSN = 0,
+	GTP_ROLE_SGSN,
+};
+
 enum {
 	IFLA_GTP_UNSPEC,
 	IFLA_GTP_FD0,
 	IFLA_GTP_FD1,
 	IFLA_GTP_PDP_HASHSIZE,
+	IFLA_GTP_ROLE,
 	__IFLA_GTP_MAX,
 };
 #define IFLA_GTP_MAX (__IFLA_GTP_MAX - 1)