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/* packet-gtp.h
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PACKET_GTP_H
#define __PACKET_GTP_H
/*structure used to track responses to requests using sequence number*/
typedef struct gtp_msg_hash_entry {
gboolean is_request; /*TRUE/FALSE*/
guint32 req_frame; /*frame with request */
nstime_t req_time; /*req time */
guint32 rep_frame; /*frame with reply */
gint seq_nr; /*sequence number*/
guint msgtype; /*messagetype*/
} gtp_msg_hash_t;
/* definitions of GTP messages */
#define GTP_MSG_UNKNOWN 0x00
#define GTP_MSG_ECHO_REQ 0x01
#define GTP_MSG_ECHO_RESP 0x02
#define GTP_MSG_VER_NOT_SUPP 0x03
#define GTP_MSG_NODE_ALIVE_REQ 0x04
#define GTP_MSG_NODE_ALIVE_RESP 0x05
#define GTP_MSG_REDIR_REQ 0x06
#define GTP_MSG_REDIR_RESP 0x07
#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_DELETE_AA_PDP_REQ 0x18 /* 2G */
#define GTP_MSG_DELETE_AA_PDP_RESP 0x19 /* 2G */
#define GTP_MSG_ERR_IND 0x1A
#define GTP_MSG_PDU_NOTIFY_REQ 0x1B
#define GTP_MSG_PDU_NOTIFY_RESP 0x1C
#define GTP_MSG_PDU_NOTIFY_REJ_REQ 0x1D
#define GTP_MSG_PDU_NOTIFY_REJ_RESP 0x1E
#define GTP_MSG_SUPP_EXT_HDR 0x1F
#define GTP_MSG_SEND_ROUT_INFO_REQ 0x20
#define GTP_MSG_SEND_ROUT_INFO_RESP 0x21
#define GTP_MSG_FAIL_REP_REQ 0x22
#define GTP_MSG_FAIL_REP_RESP 0x23
#define GTP_MSG_MS_PRESENT_REQ 0x24
#define GTP_MSG_MS_PRESENT_RESP 0x25
#define GTP_MSG_IDENT_REQ 0x30
#define GTP_MSG_IDENT_RESP 0x31
#define GTP_MSG_SGSN_CNTXT_REQ 0x32
#define GTP_MSG_SGSN_CNTXT_RESP 0x33
#define GTP_MSG_SGSN_CNTXT_ACK 0x34
#define GTP_MSG_FORW_RELOC_REQ 0x35
#define GTP_MSG_FORW_RELOC_RESP 0x36
#define GTP_MSG_FORW_RELOC_COMP 0x37
#define GTP_MSG_RELOC_CANCEL_REQ 0x38
#define GTP_MSG_RELOC_CANCEL_RESP 0x39
#define GTP_MSG_FORW_SRNS_CNTXT 0x3A
#define GTP_MSG_FORW_RELOC_ACK 0x3B
#define GTP_MSG_FORW_SRNS_CNTXT_ACK 0x3C
#define GTP_MSG_RAN_INFO_RELAY 70
#define GTP_MBMS_NOTIFY_REQ 96
#define GTP_MBMS_NOTIFY_RES 97
#define GTP_MBMS_NOTIFY_REJ_REQ 98
#define GTP_MBMS_NOTIFY_REJ_RES 99
#define GTP_CREATE_MBMS_CNTXT_REQ 100
#define GTP_CREATE_MBMS_CNTXT_RES 101
#define GTP_UPD_MBMS_CNTXT_REQ 102
#define GTP_UPD_MBMS_CNTXT_RES 103
#define GTP_DEL_MBMS_CNTXT_REQ 104
#define GTP_DEL_MBMS_CNTXT_RES 105
#define GTP_MBMS_REG_REQ 112
#define GTP_MBMS_REG_RES 113
#define GTP_MBMS_DE_REG_REQ 114
#define GTP_MBMS_DE_REG_RES 115
#define GTP_MBMS_SES_START_REQ 116
#define GTP_MBMS_SES_START_RES 117
#define GTP_MBMS_SES_STOP_REQ 118
#define GTP_MBMS_SES_STOP_RES 119
#define GTP_MBMS_SES_UPD_REQ 120
#define GTP_MBMS_SES_UPD_RES 121
/* 122-127 For future use. Shall not be sent.
* If received, shall be treated as an Unknown message.
*/
#define GTP_MS_INFO_CNG_NOT_REQ 121
#define GTP_MS_INFO_CNG_NOT_RES 122
/* 130-239 For future use. Shall not be sent.
* If received, shall be treated as an Unknown message.
*/
#define GTP_MSG_DATA_TRANSF_REQ 0xF0
#define GTP_MSG_DATA_TRANSF_RESP 0xF1
/* 242-254 For future use. Shall not be sent.
* If received, shall be treated as an Unknown message.
*/
#define GTP_MSG_TPDU 0xFF
#endif /* __PACKET_GTP_H*/
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