Add GTP message names
Change-Id: I65eb80db4bcdc6da4d267bef3b907d3f98942a2e
diff --git a/gtp/gtp.h b/gtp/gtp.h
index d189ded..8f8e293 100644
--- a/gtp/gtp.h
+++ b/gtp/gtp.h
@@ -12,6 +12,8 @@
#ifndef _GTP_H
#define _GTP_H
+#include <osmocom/core/utils.h>
+
#define GTP_MODE_GGSN 1
#define GTP_MODE_SGSN 2
@@ -85,6 +87,10 @@
/* 242-254 For future use. */
#define GTP_GPDU 255 /* G-PDU */
+extern const struct value_string gtp_type_names[];
+static inline const char *gtp_type_name(uint8_t val)
+{ return get_value_string(gtp_type_names, val); }
+
/* GTP information element cause codes from 29.060 v3.9.0 7.7 */
/* */
#define GTPCAUSE_REQ_IMSI 0 /* Request IMSI */