#define GTP_MSG_NODE_ALIVE_RESP 0x05
#define GTP_MSG_REDIR_REQ 0x06
#define GTP_MSG_REDIR_RESP 0x07
+/*
+ * 8-15 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MSG_CREATE_PDP_REQ 0x10
#define GTP_MSG_CREATE_PDP_RESP 0x11
#define GTP_MSG_UPDATE_PDP_REQ 0x12
#define GTP_MSG_UPDATE_PDP_RESP 0x13
#define GTP_MSG_DELETE_PDP_REQ 0x14
#define GTP_MSG_DELETE_PDP_RESP 0x15
-#define GTP_MSG_CREATE_AA_PDP_REQ 0x16 /* 2G */
-#define GTP_MSG_CREATE_AA_PDP_RESP 0x17 /* 2G */
+#define GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ 0x16 /* 2G */
+#define GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP 0x17 /* 2G */
+/*
+ * 24-25 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MSG_DELETE_AA_PDP_REQ 0x18 /* 2G */
#define GTP_MSG_DELETE_AA_PDP_RESP 0x19 /* 2G */
#define GTP_MSG_ERR_IND 0x1A
#define GTP_MSG_FAIL_REP_RESP 0x23
#define GTP_MSG_MS_PRESENT_REQ 0x24
#define GTP_MSG_MS_PRESENT_RESP 0x25
+/*
+ * 38-47 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MSG_IDENT_REQ 0x30
#define GTP_MSG_IDENT_RESP 0x31
#define GTP_MSG_SGSN_CNTXT_REQ 0x32
#define GTP_MSG_FORW_SRNS_CNTXT 0x3A
#define GTP_MSG_FORW_RELOC_ACK 0x3B
#define GTP_MSG_FORW_SRNS_CNTXT_ACK 0x3C
-
-
+/*
+ * 61-69 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MSG_RAN_INFO_RELAY 70
+/*
+ * 71-95 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MBMS_NOTIFY_REQ 96
#define GTP_MBMS_NOTIFY_RES 97
#define GTP_MBMS_NOTIFY_REJ_REQ 98
#define GTP_UPD_MBMS_CNTXT_RES 103
#define GTP_DEL_MBMS_CNTXT_REQ 104
#define GTP_DEL_MBMS_CNTXT_RES 105
+/*
+ * 106 - 111 For future use. Shall not be sent. If received,
+ * shall be treated as an Unknown message.
+ */
#define GTP_MBMS_REG_REQ 112
#define GTP_MBMS_REG_RES 113
#define GTP_MBMS_DE_REG_REQ 114
*/
#define GTP_MSG_DATA_TRANSF_REQ 0xF0
#define GTP_MSG_DATA_TRANSF_RESP 0xF1
-/* 242-254 For future use. Shall not be sent.
+/* 242-253 For future use. Shall not be sent.
* If received, shall be treated as an Unknown message.
*/
#define GTP_MSG_END_MARKER 0xFE /* 254 */