2009-02-10 21:57:56 +00:00
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/* packet-gtpv2.c
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*
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* Routines for GTPv2 dissection
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2011-01-03 17:22:02 +00:00
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* Copyright 2009 - 2011, Anders Broman <anders.broman [at] ericcsson.com>
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2009-02-10 21:57:56 +00:00
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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2009-04-28 19:40:37 +00:00
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* Ref: 3GPP TS 29.274 version 8.1.1 Release 8 ETSI TS 129 274 V8.1.1 (2009-04)
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2009-02-10 21:57:56 +00:00
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <glib.h>
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#include <epan/packet.h>
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2009-02-11 19:48:21 +00:00
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#include <epan/asn1.h>
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2009-08-11 23:29:21 +00:00
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#include <epan/expert.h>
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2010-06-01 22:22:09 +00:00
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#include <epan/sminmpec.h>
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2009-02-11 19:48:21 +00:00
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2009-02-16 21:21:11 +00:00
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#include "packet-gsm_a_common.h"
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2009-02-11 19:48:21 +00:00
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#include "packet-gsm_map.h"
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2010-04-05 07:37:04 +00:00
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#include "packet-e164.h"
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2009-02-13 06:10:57 +00:00
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#include "packet-e212.h"
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2010-06-28 15:31:41 +00:00
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#include "packet-s1ap.h"
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#include "packet-ranap.h"
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2009-02-10 21:57:56 +00:00
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2010-12-30 14:09:09 +00:00
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static dissector_handle_t nas_eps_handle;
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2009-07-30 21:11:26 +00:00
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/*GTPv2 Message->GTP Header(SB)*/
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2009-02-10 21:57:56 +00:00
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static int proto_gtpv2 = -1;
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2011-01-03 17:22:02 +00:00
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static int hf_gtpv2_spare_half_octet = -1;
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static int hf_gtpv2_spare_bits = -1;
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2009-02-10 21:57:56 +00:00
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static int hf_gtpv2_flags = -1;
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static int hf_gtpv2_version = -1;
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2010-07-21 10:28:46 +00:00
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static int hf_gtpv2_p = -1;
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2009-02-10 21:57:56 +00:00
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static int hf_gtpv2_t = -1;
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static int hf_gtpv2_message_type = -1;
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static int hf_gtpv2_msg_length = -1;
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static int hf_gtpv2_teid = -1;
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static int hf_gtpv2_seq = -1;
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static int hf_gtpv2_spare = -1;
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2009-07-30 21:11:26 +00:00
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2009-02-10 21:57:56 +00:00
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static int hf_gtpv2_ie = -1;
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static int hf_gtpv2_ie_len = -1;
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static int hf_gtpv2_cr = -1;
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static int hf_gtpv2_instance = -1;
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2009-02-11 19:48:21 +00:00
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static int hf_gtpv2_cause = -1;
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2010-12-30 14:09:09 +00:00
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static int hf_gtpv2_cause_cs = -1;
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2011-01-03 17:22:02 +00:00
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static int hf_gtpv2_cause_bce = -1;
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static int hf_gtpv2_cause_pce = -1;
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static int hf_gtpv2_cause_off_ie_t = -1;
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2009-02-16 21:21:11 +00:00
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static int hf_gtpv2_rec = -1;
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static int hf_gtpv2_apn = -1;
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static int hf_gtpv2_ebi = -1;
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static int hf_gtpv2_daf = -1;
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static int hf_gtpv2_dtf = -1;
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static int hf_gtpv2_hi = -1;
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static int hf_gtpv2_dfi = -1;
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static int hf_gtpv2_oi = -1;
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static int hf_gtpv2_isrsi = -1;
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static int hf_gtpv2_israi = -1;
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static int hf_gtpv2_sgwci = -1;
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static int hf_gtpv2_pt = -1;
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static int hf_gtpv2_tdi = -1;
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static int hf_gtpv2_si = -1;
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static int hf_gtpv2_msv = -1;
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2009-03-01 20:39:44 +00:00
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static int hf_gtpv2_pdn_type = -1;
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static int hf_gtpv2_pdn_ipv4 = -1;
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static int hf_gtpv2_pdn_ipv6_len = -1;
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static int hf_gtpv2_pdn_ipv6 = -1;
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2009-02-16 21:21:11 +00:00
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2009-02-13 06:10:57 +00:00
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static int hf_gtpv2_rat_type = -1;
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2009-03-01 20:39:44 +00:00
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static int hf_gtpv2_uli_ecgi_flg = -1;
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static int hf_gtpv2_uli_tai_flg = -1;
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static int hf_gtpv2_uli_rai_flg = -1;
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static int hf_gtpv2_uli_sai_flg = -1;
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static int hf_gtpv2_uli_cgi_flg = -1;
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2009-02-13 06:10:57 +00:00
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static int hf_gtpv2_cng_rep_act = -1;
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2009-02-10 21:57:56 +00:00
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static gint ett_gtpv2 = -1;
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static gint ett_gtpv2_flags = -1;
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static gint ett_gtpv2_ie = -1;
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2011-01-03 22:13:11 +00:00
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static gint ett_gtpv2_uli_flags = -1;
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static gint ett_gtpv2_uli_field = -1;
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2009-09-15 15:54:06 +00:00
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static gint ett_gtpv2_bearer_ctx = -1;
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2010-06-28 15:31:41 +00:00
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static gint ett_gtpv2_PDN_conn = -1;
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2011-01-04 18:41:25 +00:00
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static gint ett_gtpv2_mm_context_flag = -1;
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2009-02-10 21:57:56 +00:00
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_selec_mode= -1;
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2011-01-04 07:14:11 +00:00
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static int hf_gtpv2_f_teid_v4 = -1;
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static int hf_gtpv2_f_teid_v6 = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_f_teid_interface_type= -1;
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static int hf_gtpv2_f_teid_gre_key= -1;
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static int hf_gtpv2_f_teid_ipv4= -1;
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static int hf_gtpv2_f_teid_ipv6= -1;
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2011-01-05 16:46:40 +00:00
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static int hf_gtpv2_tmsi = -1;
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2010-12-30 14:09:09 +00:00
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static int hf_gtpv2_hsgw_addr_f_len = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_imsi= -1;
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static int hf_gtpv2_ambr_up= -1;
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static int hf_gtpv2_ambr_down= -1;
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static int hf_gtpv2_ip_address_ipv4= -1;
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static int hf_gtpv2_ip_address_ipv6= -1;
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static int hf_gtpv2_mei= -1;
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2010-04-05 07:37:04 +00:00
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static int hf_gtpv2_address_digits = -1;
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2010-06-28 15:31:41 +00:00
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static int hf_gtpv2_ti = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_bearer_qos_pvi= -1;
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static int hf_gtpv2_bearer_qos_pl= -1;
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static int hf_gtpv2_bearer_qos_pci= -1;
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2011-01-04 07:14:11 +00:00
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static int hf_gtpv2_bearer_qos_label_qci = -1;
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static int hf_gtpv2_bearer_qos_mbr_up = -1;
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static int hf_gtpv2_bearer_qos_mbr_down = -1;
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static int hf_gtpv2_bearer_qos_gbr_up = -1;
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static int hf_gtpv2_bearer_qos_gbr_down = -1;
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static int hf_gtpv2_flow_qos_label_qci = -1;
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static int hf_gtpv2_flow_qos_mbr_up = -1;
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static int hf_gtpv2_flow_qos_mbr_down = -1;
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static int hf_gtpv2_flow_qos_gbr_up = -1;
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static int hf_gtpv2_flow_qos_gbr_down = -1;
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static int hf_gtpv2_delay_value = -1;
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static int hf_gtpv2_charging_id = -1;
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static int hf_gtpv2_charging_characteristic = -1;
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static int hf_gtpv2_bearer_flag_ppc = -1;
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static int hf_gtpv2_bearer_flag_vb = -1;
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static int hf_gtpv2_ue_time_zone = -1;
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static int hf_gtpv2_ue_time_zone_dst = -1;
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2010-12-30 14:09:09 +00:00
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static int hf_gtpv2_complete_req_msg_type = -1;
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static int hf_gtpv2_mme_grp_id = -1;
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static int hf_gtpv2_mme_code = -1;
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static int hf_gtpv2_m_tmsi = -1;
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2010-06-28 15:31:41 +00:00
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static int hf_gtpv2_container_type = -1;
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static int hf_gtpv2_cause_type = -1;
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static int hf_gtpv2_CauseRadioNetwork = -1;
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static int hf_gtpv2_CauseTransport = -1;
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static int hf_gtpv2_CauseNas = -1;
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static int hf_gtpv2_CauseProtocol = -1;
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static int hf_gtpv2_CauseMisc = -1;
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static int hf_gtpv2_target_type = -1;
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2010-12-30 14:09:09 +00:00
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static int hf_gtpv2_macro_enodeb_id = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_node_type= -1;
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2010-06-01 22:22:09 +00:00
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static int hf_gtpv2_enterprise_id = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_apn_rest= -1;
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static int hf_gtpv2_pti= -1;
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2011-01-03 17:22:02 +00:00
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static int hf_gtpv2_mm_context_sm = -1;
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static int hf_gtpv2_mm_context_nhi = -1;
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static int hf_gtpv2_mm_context_drxi = -1;
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static int hf_gtpv2_mm_context_cksn = -1;
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static int hf_gtpv2_mm_context_cksn_ksi = -1;
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static int hf_gtpv2_mm_context_ksi_a= -1;
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static int hf_gtpv2_mm_context_ksi = -1;
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static int hf_gtpv2_mm_context_nr_tri = -1;
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static int hf_gtpv2_mm_context_nr_qui = -1;
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static int hf_gtpv2_mm_context_nr_qua = -1;
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static int hf_gtpv2_mm_context_unipa = -1;
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static int hf_gtpv2_mm_context_unc = -1;
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static int hf_gtpv2_mm_context_nas_dl_cnt = -1;
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static int hf_gtpv2_mm_context_nas_ul_cnt = -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_uli_cgi_lac= -1;
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static int hf_gtpv2_uli_cgi_ci= -1;
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static int hf_gtpv2_uli_sai_lac= -1;
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static int hf_gtpv2_uli_sai_sac= -1;
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static int hf_gtpv2_uli_rai_lac= -1;
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static int hf_gtpv2_uli_rai_rac= -1;
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static int hf_gtpv2_uli_tai_tac= -1;
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static int hf_gtpv2_uli_ecgi_eci= -1;
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2010-06-08 08:36:22 +00:00
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static int hf_gtpv2_uli_ecgi_eci_spare= -1;
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2009-07-30 21:11:26 +00:00
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static int hf_gtpv2_bearer_control_mode= -1;
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2010-06-08 08:36:22 +00:00
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/* Definition of User Location Info (AVP 22) masks */
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#define GTPv2_ULI_CGI_MASK 0x01
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#define GTPv2_ULI_SAI_MASK 0x02
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#define GTPv2_ULI_RAI_MASK 0x04
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#define GTPv2_ULI_TAI_MASK 0x08
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#define GTPv2_ULI_ECGI_MASK 0x10
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2010-06-28 15:31:41 +00:00
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#define GTPV2_FORWARD_RELOCATION_REQ 133
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2010-06-29 14:56:39 +00:00
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#define GTPV2_FORWARD_CTX_NOTIFICATION 137
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2010-06-28 15:31:41 +00:00
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static void dissect_gtpv2_ie_common(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, gint offset, guint8 message_type);
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2009-09-15 15:54:06 +00:00
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2009-07-30 21:11:26 +00:00
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/*Message Types for GTPv2 (Refer Pg19 29.274) (SB)*/
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2009-02-10 21:57:56 +00:00
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static const value_string gtpv2_message_type_vals[] = {
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2010-05-10 15:54:57 +00:00
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{0, "Reserved"},
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{1, "Echo Request"},
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{2, "Echo Response"},
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{3, "Version Not Supported Indication"},
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/* 4-24 Reserved for S101 interface TS 29.276 */
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/* 25-31 Reserved for Sv interface TS 29.280 */
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/* SGSN/MME to PGW (S4/S11, S5/S8) */
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{32, "Create Session Request"},
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{33, "Create Session Response"},
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{34, "Modify Bearer Request"},
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{35, "Modify Bearer Response"},
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{36, "Delete Session Request"},
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{37, "Delete Session Response"},
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/* SGSN to PGW (S4, S5/S8) */
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{38, "Change Notification Request"},
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{39, "Change Notification Response"},
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/* 40-63 For future use */
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/* Messages without explicit response */
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{64, "Modify Bearer Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
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{65, "Modify Bearer Failure Indication"}, /*(PGW to MME/SGSN -S5/S8, S11/S4) */
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{66, "Delete Bearer Command"}, /* (MME to PGW -S11, S5/S8) */
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{67, "Delete Bearer Failure Indication"}, /* (PGW to MME -S5/S8, S11) */
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{68, "Bearer Resource Command"}, /* (MME/SGSN to PGW -S11/S4, S5/S8) */
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{69, "Bearer Resource Failure Indication"}, /* (PGW to MME/SGSN -S5/S8, S11/S4) */
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{70, "Downlink Data Notification Failure Indication"}, /*(SGSN/MME to SGW -S4/S11) */
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{71, "Trace Session Activation"},
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{72, "Trace Session Deactivation"},
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{73, "Stop Paging Indication"},
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/* 74-94 For future use */
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/* PDN-GW to SGSN/MME (S5/S8, S4/S11) */
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{95, "Create Bearer Request"},
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{96, "Create Bearer Response"},
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{97, "Update Bearer Request"},
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{98, "Update Bearer Response"},
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{99, "Delete Bearer Request"},
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{100, "Delete Bearer Response"},
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/* PGW to MME, MME to PGW, SGW to PGW, SGW to MME (S5/S8, S11) */
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{101, "Delete PDN Connection Set Request"},
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{102, "Delete PDN Connection Set Response"},
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/* 103-127 For future use */
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/* MME to MME, SGSN to MME, MME to SGSN, SGSN to SGSN (S3/10/S16) */
|
|
|
|
{128, "Identification Request"},
|
|
|
|
{129, "Identification Response"},
|
|
|
|
{130, "Context Request"},
|
|
|
|
{131, "Context Response"},
|
|
|
|
{132, "Context Acknowledge"},
|
|
|
|
{133, "Forward Relocation Request"},
|
|
|
|
{134, "Forward Relocation Response"},
|
|
|
|
{135, "Forward Relocation Complete Notification"},
|
|
|
|
{136, "Forward Relocation Complete Acknowledge"},
|
|
|
|
{137, "Forward Access Context Notification"},
|
|
|
|
{138, "Forward Access Context Acknowledge"},
|
|
|
|
{139, "Relocation Cancel Request"},
|
|
|
|
{140, "Relocation Cancel Response"},
|
|
|
|
{141, "Configuration Transfer Tunnel"},
|
|
|
|
/* 142-148 For future use */
|
|
|
|
/* SGSN to MME, MME to SGSN (S3)*/
|
|
|
|
{149, "Detach Notification"},
|
|
|
|
{150, "Detach Acknowledge"},
|
|
|
|
{151, "CS Paging Indication"},
|
|
|
|
{152, "RAN Information Relay"},
|
2010-06-28 15:31:41 +00:00
|
|
|
{153, "Alert MME Notification"},
|
|
|
|
{154, "Alert MME Acknowledge"},
|
|
|
|
{155, "UE Activity Notification"},
|
|
|
|
{156, "UE Activity Acknowledge"},
|
|
|
|
/* 157 to 159 For future use */
|
2010-05-10 15:54:57 +00:00
|
|
|
/* MME to SGW (S11) */
|
|
|
|
{160, "Create Forwarding Tunnel Request"},
|
|
|
|
{161, "Create Forwarding Tunnel Response"},
|
|
|
|
{162, "Suspend Notification"},
|
|
|
|
{163, "Suspend Acknowledge"},
|
|
|
|
{164, "Resume Notification"},
|
|
|
|
{165, "Resume Acknowledge"},
|
|
|
|
{166, "Create Indirect Data Forwarding Tunnel Request"},
|
|
|
|
{167, "Create Indirect Data Forwarding Tunnel Response"},
|
|
|
|
{168, "Delete Indirect Data Forwarding Tunnel Request"},
|
|
|
|
{169, "Delete Indirect Data Forwarding Tunnel Response"},
|
|
|
|
{170, "Release Access Bearers Request"},
|
|
|
|
{171, "Release Access Bearers Response"},
|
|
|
|
/* 172-175 For future use */
|
|
|
|
/* SGW to SGSN/MME (S4/S11) */
|
2010-06-02 06:17:02 +00:00
|
|
|
{176, "Downlink Data Notification"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{177, "Downlink Data Notification Acknowledgement"},
|
|
|
|
/* SGW to SGSN (S4) */
|
2010-06-02 06:17:02 +00:00
|
|
|
{178, "Update Bearer Complete"},
|
2010-05-10 15:54:57 +00:00
|
|
|
/* 179-191 For future use */
|
|
|
|
/* Other */
|
2010-06-02 06:17:02 +00:00
|
|
|
{200, "Update PDN Connection Set Request"},
|
|
|
|
{201, "Update PDN Connection Set Response"},
|
|
|
|
/* 202 to 230 For future use */
|
|
|
|
/* MBMS GW to MME/SGSN (Sm/Sn) */
|
|
|
|
{231, "MBMS Session Start Request"},
|
|
|
|
{323, "MBMS Session Start Response"},
|
|
|
|
{233, "MBMS Session Update Request"},
|
|
|
|
{234, "MBMS Session Update Response"},
|
|
|
|
{235, "MBMS Session Stop Request"},
|
|
|
|
{236, "MBMS Session Stop Response"},
|
|
|
|
/* 237 to 239 For future use */
|
2010-06-28 15:31:41 +00:00
|
|
|
/* 240-255 Reserved for GTP-U TS 29.281 [13] */
|
2009-02-10 21:57:56 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
#define GTPV2_IE_RESERVED 0
|
|
|
|
#define GTPV2_IE_IMSI 1
|
|
|
|
#define GTPV2_IE_CAUSE 2
|
|
|
|
#define GTPV2_REC_REST_CNT 3
|
|
|
|
#define GTPV2_APN 71
|
|
|
|
#define GTPV2_AMBR 72
|
|
|
|
#define GTPV2_EBI 73
|
|
|
|
#define GTPV2_IP_ADDRESS 74
|
|
|
|
#define GTPV2_MEI 75
|
|
|
|
#define GTPV2_IE_MSISDN 76
|
|
|
|
#define GTPV2_INDICATION 77
|
|
|
|
#define GTPV2_PCO 78
|
|
|
|
#define GTPV2_PAA 79
|
|
|
|
#define GTPV2_BEARER_QOS 80
|
2010-12-30 14:09:09 +00:00
|
|
|
#define GTPV2_IE_FLOW_QOS 81
|
2010-05-10 15:54:57 +00:00
|
|
|
#define GTPV2_IE_RAT_TYPE 82
|
|
|
|
#define GTPV2_IE_SERV_NET 83
|
2011-01-03 17:22:02 +00:00
|
|
|
#define GTPV2_IE_BEARER_TFT 84
|
2010-12-30 14:09:09 +00:00
|
|
|
#define GTPV2_IE_TAD 85
|
|
|
|
#define GTPV2_IE_ULI 86
|
|
|
|
#define GTPV2_IE_F_TEID 87
|
2011-01-05 16:46:40 +00:00
|
|
|
#define GTPV2_IE_TMSI 88
|
2010-12-30 14:09:09 +00:00
|
|
|
#define GTPV2_IE_GLOBAL_CNID 89
|
|
|
|
#define GTPV2_IE_S103PDF 90
|
|
|
|
#define GTPV2_IE_DEL_VAL 92
|
|
|
|
#define GTPV2_IE_BEARER_CTX 93
|
|
|
|
#define GTPV2_IE_CHAR_ID 94
|
|
|
|
#define GTPV2_IE_CHAR_CHAR 95
|
2009-07-30 21:11:26 +00:00
|
|
|
#define GTPV2_BEARER_FLAG 97
|
2010-12-30 14:09:09 +00:00
|
|
|
#define GTPV2_IE_PDN_TYPE 99
|
|
|
|
#define GTPV2_IE_PTI 100
|
2011-01-03 17:22:02 +00:00
|
|
|
#define GTPV2_IE_MM_CONTEXT_GSM_T 103
|
|
|
|
#define GTPV2_IE_MM_CONTEXT_UTMS_CQ 104
|
|
|
|
#define GTPV2_IE_MM_CONTEXT_GSM_CQ 105
|
|
|
|
#define GTPV2_IE_MM_CONTEXT_UTMS_Q 106
|
|
|
|
#define GTPV2_IE_MM_CONTEXT_EPS_QQ 107
|
|
|
|
#define GTPV2_IE_MM_CONTEXT_UTMS_QQ 108
|
|
|
|
#define GTPV2_IE_PDN_CONNECTION 109
|
|
|
|
#define GTPV2_IE_UE_TIME_ZONE 114
|
2010-12-30 14:09:09 +00:00
|
|
|
#define GTPV2_IE_COMPLETE_REQUEST_MSG 116
|
2011-01-03 17:22:02 +00:00
|
|
|
#define GTPV2_IE_GUTI 117
|
|
|
|
#define GTPV2_IE_F_CONTAINER 118
|
|
|
|
#define GTPV2_IE_F_CAUSE 119
|
|
|
|
#define GTPV2_IE_TARGET_ID 121
|
|
|
|
#define GTPV2_APN_RESTRICTION 127
|
2011-01-04 07:14:11 +00:00
|
|
|
#define GTPV2_IE_SEL_MODE 128
|
|
|
|
#define GTPV2_IE_SOURCE_IDENT 129
|
2011-01-03 17:22:02 +00:00
|
|
|
#define GTPV2_BEARER_CONTROL_MODE 130
|
|
|
|
#define GTPV2_CNG_REP_ACT 131
|
|
|
|
#define GTPV2_NODE_TYPE 135
|
|
|
|
#define GTPV2_FQDN 136
|
|
|
|
#define GTPV2_TI 137
|
|
|
|
#define GTPV2_PRIVATE_EXT 255
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
#define SPARE 0X0
|
|
|
|
#define CREATE_NEW_TFT 0X20
|
|
|
|
#define DELETE_TFT 0X40
|
|
|
|
#define ADD_PACKET_FILTERS_TFT 0X60
|
|
|
|
#define REPLACE_PACKET_FILTERS_TFT 0X80
|
|
|
|
#define DELETE_PACKET_FILTERS_TFT 0XA0
|
|
|
|
#define NO_TFT_OPERATION 0XC0
|
|
|
|
#define RESERVED 0XE0
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
|
2009-02-10 21:57:56 +00:00
|
|
|
/* Table 8.1-1: Information Element types for GTPv2 */
|
|
|
|
static const value_string gtpv2_element_type_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "Reserved"},
|
|
|
|
{1, "International Mobile Subscriber Identity (IMSI)"}, /* Variable Length / 8.3 */
|
|
|
|
{2, "Cause"}, /* Variable Length / 8.4 */
|
|
|
|
{3, "Recovery (Restart Counter)"}, /* Variable Length / 8.5 */
|
|
|
|
/* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
|
|
|
|
/* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
|
|
|
|
{71, "Access Point Name (APN)"}, /* Variable Length / 8.6 */
|
|
|
|
{72, "Aggregate Maximum Bit Rate (AMBR)"}, /* Fixed Length / 8.7 */
|
|
|
|
{73, "EPS Bearer ID (EBI)"}, /* Extendable / 8.8 */
|
|
|
|
{74, "IP Address"}, /* Extendable / 8.9 */
|
|
|
|
{75, "Mobile Equipment Identity (MEI)"}, /* Variable Length / 8.10 */
|
|
|
|
{76, "MSISDN"}, /* Variable Length / 8.11 */
|
|
|
|
{77, "Indication"}, /* Extendable / 8.12 */
|
|
|
|
{78, "Protocol Configuration Options (PCO)"}, /* Variable Length / 8.13 */
|
|
|
|
{79, "PDN Address Allocation (PAA)"}, /* Variable Length / 8.14 */
|
|
|
|
{80, "Bearer Level Quality of Service (Bearer QoS)"}, /* Variable Length / 8.15 */
|
|
|
|
{81, "Flow Quality of Service (Flow QoS)"}, /* Extendable / 8.16 */
|
|
|
|
{82, "RAT Type"}, /* Extendable / 8.17 */
|
|
|
|
{83, "Serving Network"}, /* Extendable / 8.18 */
|
|
|
|
{84, "EPS Bearer Level Traffic Flow Template (Bearer TFT)"}, /* Variable Length / 8.19 */
|
|
|
|
{85, "Traffic Aggregation Description (TAD)"}, /* Variable Length / 8.20 */
|
|
|
|
{86, "User Location Info (ULI)"}, /* Variable Length / 8.21 */
|
|
|
|
{87, "Fully Qualified Tunnel Endpoint Identifier (F-TEID)"}, /* Extendable / 8.22 */
|
|
|
|
{88, "TMSI"}, /* Variable Length / 8.23 */
|
|
|
|
{89, "Global CN-Id"}, /* Variable Length / 8.24 */
|
|
|
|
{90, "S103 PDN Data Forwarding Info (S103PDF)"}, /* Variable Length / 8.25 */
|
|
|
|
{91, "S1-U Data Forwarding Info (S1UDF)"}, /* Variable Length/ 8.26 */
|
|
|
|
{92, "Delay Value"}, /* Extendable / 8.27 */
|
|
|
|
{93, "Bearer Context"}, /* Extendable / 8.28 */
|
|
|
|
{94, "Charging ID"}, /* Extendable / 8.29 */
|
|
|
|
{95, "Charging Characteristics"}, /* Extendable / 8.30 */
|
|
|
|
{96, "Trace Information"}, /* Extendable / 8.31 */
|
|
|
|
{97, "Bearer Flags"}, /* Extendable / 8.32 */
|
|
|
|
{98, "Paging Cause"}, /* Variable Length / 8.33 */
|
|
|
|
{99, "PDN Type"}, /* Extendable / 8.34 */
|
|
|
|
{100, "Procedure Transaction ID"}, /* Extendable / 8.35 */
|
|
|
|
{101, "DRX Parameter"}, /* Variable Length/ 8.36 */
|
|
|
|
{102, "UE Network Capability"}, /* Variable Length / 8.37 */
|
|
|
|
{103, "MM Context (GSM Key and Triplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{104, "MM Context (UMTS Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{105, "MM Context (GSM Key, Used Cipher and Quintuplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{106, "MM Context (UMTS Key and Quintuplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{107, "MM Context (EPS Security Context, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{108, "MM Context (UMTS Key, Quadruplets and Quintuplets)"}, /* Variable Length / 8.38 */
|
|
|
|
{109, "PDN Connection"}, /* Extendable / 8.39 */
|
|
|
|
{110, "PDU Numbers"}, /* Extendable / 8.40 */
|
|
|
|
{111, "P-TMSI"}, /* Variable Length / 8.41 */
|
|
|
|
{112, "P-TMSI Signature"}, /* Variable Length / 8.42 */
|
|
|
|
{113, "Hop Counter"}, /* Extendable / 8.43 */
|
|
|
|
{114, "UE Time Zone"}, /* Variable Length / 8.44 */
|
|
|
|
{115, "Trace Reference"}, /* Fixed Length / 8.45 */
|
|
|
|
{116, "Complete Request Message"}, /* Variable Length / 8.46 */
|
|
|
|
{117, "GUTI"}, /* Variable Length / 8.47 */
|
|
|
|
{118, "F-Container"}, /* Variable Length / 8.48 */
|
|
|
|
{119, "F-Cause"}, /* Variable Length / 8.49 */
|
|
|
|
{120, "Selected PLMN ID"}, /* Variable Length / 8.50 */
|
|
|
|
{121, "Target Identification"}, /* Variable Length / 8.51 */
|
|
|
|
{122, "NSAPI"}, /* Extendable / 8.52 */
|
|
|
|
{123, "Packet Flow ID"}, /* Variable Length / 8.53 */
|
|
|
|
{124, "RAB Context"}, /* Fixed Length / 8.54 */
|
|
|
|
{125, "Source RNC PDCP Context Info"}, /* Variable Length / 8.55 */
|
|
|
|
{126, "UDP Source Port Number"}, /* Extendable / 8.56 */
|
|
|
|
{127, "APN Restriction"}, /* Extendable / 8.57 */
|
|
|
|
{128, "Selection Mode"}, /* Extendable / 8.58 */
|
|
|
|
{129, "Source Identification"}, /* Variable Length / 8.50 */
|
|
|
|
{130, "Bearer Control Mode"}, /* Extendable / 8.60 */
|
|
|
|
{131, "Change Reporting Action"}, /* Variable Length / 8.61 */
|
|
|
|
{132, "Fully Qualified PDN Connection Set Identifier (FQ-CSID)"}, /* Variable Length / 8.62 */
|
|
|
|
{133, "Channel needed"}, /* Extendable / 8.63 */
|
|
|
|
{134, "eMLPP Priority"}, /* Extendable / 8.64 */
|
|
|
|
{135, "Node Type"}, /* Extendable / 8.65 */
|
|
|
|
{136, "Fully Qualified Domain Name (FQDN)"}, /* Variable Length / 8.66 */
|
|
|
|
{137, "Transaction Identifier (TI)"}, /* Variable Length / 8.68 */
|
2010-06-02 06:17:02 +00:00
|
|
|
{138, "MBMS Session"}, /* Duration Extendable / 8.69 */
|
|
|
|
{139, "MBMS Service Area"}, /* Extendable / 8.70 */
|
|
|
|
{140, "MBMS Session Identifier"}, /* Extendable / 8.71 */
|
|
|
|
{141, "MBMS Flow Identifier"}, /* Extendable / 8.72 */
|
|
|
|
{142, "MBMS IP Multicast Distribution"}, /* Extendable / 8.73 */
|
|
|
|
{143, "MBMS Distribution Acknowledge"}, /* Extendable / 8.74 */
|
|
|
|
{144, "RFSP Index"}, /* Fixed Length / 8.77 */
|
|
|
|
{145, "User CSG Information (UCI)"}, /* Extendable / 8.75 */
|
|
|
|
{146, "CSG Information Reporting Action"}, /* Extendable / 8.76 */
|
|
|
|
{147, "CSG ID"}, /* Extendable / 8.78 */
|
|
|
|
{148, "CSG Membership Indication (CMI)"}, /* Extendable / 8.79 */
|
2011-01-03 17:22:02 +00:00
|
|
|
{149, "Service indicator"}, /* Fixed Length / 8.80 */
|
|
|
|
{150, "Detach Type"}, /* Fixed Length / 8.81 */
|
|
|
|
{151, "Local Distiguished Name (LDN)"}, /* Variable / 8.82 */
|
|
|
|
{152, "Node Features"}, /* Extendable / 8.83 */
|
|
|
|
{153, "MBMS Time to Data Transfer"}, /* Extendable / 8.84 */
|
|
|
|
{154, "Throttling"}, /* Extendable / 8.85 */
|
|
|
|
{155, "Allocation/Retention Priority (ARP)"}, /* Extendable / 8.86 */
|
|
|
|
/* 156 to 254 Spare. For future use. */ /* For future use. FFS */
|
2010-06-01 22:22:09 +00:00
|
|
|
{255, "Private"}, /* Extension Extendable / 8.67 */
|
2009-02-10 21:57:56 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
2009-02-11 19:48:21 +00:00
|
|
|
|
|
|
|
/* Code to dissect IE's */
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_unknown(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-11 19:48:21 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item *expert_item;
|
|
|
|
|
|
|
|
expert_item = proto_tree_add_text(tree, tvb, 0, length, "IE data not dissected yet");
|
|
|
|
expert_add_info_format(pinfo, expert_item, PI_PROTOCOL, PI_NOTE, "IE data not dissected yet");
|
|
|
|
PROTO_ITEM_SET_GENERATED(expert_item);
|
2009-02-11 19:48:21 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/*
|
2009-02-11 19:48:21 +00:00
|
|
|
* 8.3 International Mobile Subscriber Identity (IMSI)
|
|
|
|
*
|
|
|
|
* IMSI is defined in 3GPP TS 23.003
|
2009-03-04 19:51:55 +00:00
|
|
|
* Editor's note: IMSI coding will be defined in 3GPP TS 24.301
|
2010-05-10 15:54:57 +00:00
|
|
|
* Editor's note: In the first release of GTPv2 spec (TS 29.274v8.0.0) n = 8.
|
2009-02-11 19:48:21 +00:00
|
|
|
* That is, the overall length of the IE is 11 octets.
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_imsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-11 19:48:21 +00:00
|
|
|
{
|
2009-07-30 21:11:26 +00:00
|
|
|
int offset= 0;
|
2010-09-03 17:10:52 +00:00
|
|
|
const gchar *imsi_str;
|
2009-02-11 19:48:21 +00:00
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to
|
|
|
|
* a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the EP
|
2011-01-03 17:22:02 +00:00
|
|
|
* allocated string will be returned.
|
|
|
|
*/
|
|
|
|
imsi_str = tvb_bcd_dig_to_ep_str( tvb, offset, length, NULL, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_string(tree, hf_gtpv2_imsi, tvb, offset, length, imsi_str);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%s", imsi_str);
|
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.4 Cause
|
|
|
|
*/
|
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
/* Table 8.4-1: Cause values */
|
|
|
|
static const value_string gtpv2_cause_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "Reserved"},
|
|
|
|
/* Request */
|
|
|
|
{1, "Paging Cause"},
|
|
|
|
{2, "Local Detach"},
|
|
|
|
{3, "Complete Detach"},
|
|
|
|
{4, "RAT changed from 3GPP to Non-3GPP"},
|
|
|
|
{5, "ISR is activated"},
|
2011-01-03 17:22:02 +00:00
|
|
|
{6, "Error Indication received from RNC/eNodeB"},
|
|
|
|
{7, "IMSI Detach Only"},
|
|
|
|
{8, "Reactivation Requested"},
|
|
|
|
{9, "PDN reconnection to this APN disallowed"},
|
|
|
|
{10, "Access changed from Non-3GPP to 3GPP"},
|
|
|
|
/* 11-15 Spare. This value range is reserved for Cause values in a request message */
|
|
|
|
{11, "Spare"},
|
|
|
|
{12, "Spare"},
|
|
|
|
{13, "Spare"},
|
|
|
|
{14, "Spare"},
|
|
|
|
{15, "Spare"},
|
2010-05-10 15:54:57 +00:00
|
|
|
/* Acceptance Response */
|
|
|
|
{16, "Request accepted"},
|
|
|
|
{17, "Request accepted partially"},
|
|
|
|
{18, "New PDN type due to network preference"},
|
|
|
|
{19, "New PDN type due to single address bearer only"},
|
|
|
|
/* 20-63 Spare. This value range is reserved for Cause values in acceptance response message */
|
|
|
|
/* Rejection Response */
|
2011-01-03 17:22:02 +00:00
|
|
|
{20, "Spare"},
|
|
|
|
{21, "Spare"},
|
|
|
|
{22, "Spare"},
|
|
|
|
{23, "Spare"},
|
|
|
|
{24, "Spare"},
|
|
|
|
{25, "Spare"},
|
|
|
|
{26, "Spare"},
|
|
|
|
{27, "Spare"},
|
|
|
|
{28, "Spare"},
|
|
|
|
{29, "Spare"},
|
|
|
|
{30, "Spare"},
|
|
|
|
{31, "Spare"},
|
|
|
|
{32, "Spare"},
|
|
|
|
{33, "Spare"},
|
|
|
|
{34, "Spare"},
|
|
|
|
{35, "Spare"},
|
|
|
|
{36, "Spare"},
|
|
|
|
{37, "Spare"},
|
|
|
|
{38, "Spare"},
|
|
|
|
{39, "Spare"},
|
|
|
|
{40, "Spare"},
|
|
|
|
{41, "Spare"},
|
|
|
|
{42, "Spare"},
|
|
|
|
{43, "Spare"},
|
|
|
|
{44, "Spare"},
|
|
|
|
{45, "Spare"},
|
|
|
|
{46, "Spare"},
|
|
|
|
{47, "Spare"},
|
|
|
|
{48, "Spare"},
|
|
|
|
{49, "Spare"},
|
|
|
|
{50, "Spare"},
|
|
|
|
{51, "Spare"},
|
|
|
|
{52, "Spare"},
|
|
|
|
{53, "Spare"},
|
|
|
|
{54, "Spare"},
|
|
|
|
{55, "Spare"},
|
|
|
|
{56, "Spare"},
|
|
|
|
{57, "Spare"},
|
|
|
|
{58, "Spare"},
|
|
|
|
{59, "Spare"},
|
|
|
|
{60, "Spare"},
|
|
|
|
{61, "Spare"},
|
|
|
|
{62, "Spare"},
|
|
|
|
{63, "Spare"},
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
{64, "Context Not Found"},
|
|
|
|
{65, "Invalid Message Format"},
|
|
|
|
{66, "Version not supported by next peer"},
|
|
|
|
{67, "Invalid length"},
|
|
|
|
{68, "Service not supported"},
|
|
|
|
{69, "Mandatory IE incorrect"},
|
|
|
|
{70, "Mandatory IE missing"},
|
|
|
|
{71, "Optional IE incorrect"},
|
|
|
|
{72, "System failure"},
|
|
|
|
{73, "No resources available"},
|
|
|
|
{74, "Semantic error in the TFT operation"},
|
|
|
|
{75, "Syntactic error in the TFT operation"},
|
|
|
|
{76, "Semantic errors in packet filter(s)"},
|
|
|
|
{77, "Syntactic errors in packet filter(s)"},
|
|
|
|
{78, "Missing or unknown APN"},
|
|
|
|
{79, "Unexpected repeated IE"},
|
|
|
|
{80, "GRE key not found"},
|
|
|
|
{81, "Reallocation failure"},
|
|
|
|
{82, "Denied in RAT"},
|
|
|
|
{83, "Preferred PDN type not supported"},
|
|
|
|
{84, "All dynamic addresses are occupied"},
|
|
|
|
{85, "UE context without TFT already activated"},
|
|
|
|
{86, "Protocol type not supported"},
|
|
|
|
{87, "UE not responding"},
|
|
|
|
{88, "UE refuses"},
|
|
|
|
{89, "Service denied"},
|
|
|
|
{90, "Unable to page UE"},
|
|
|
|
{91, "No memory available"},
|
|
|
|
{92, "User authentication failed"},
|
|
|
|
{93, "APN access denied - no subscription"},
|
|
|
|
{94, "Request rejected"},
|
|
|
|
{95, "P-TMSI Signature mismatch"},
|
|
|
|
{96, "IMSI not known"},
|
|
|
|
{97, "Semantic error in the TAD operation"},
|
|
|
|
{98, "Syntactic error in the TAD operation"},
|
|
|
|
{99, "Reserved Message Value Received"},
|
|
|
|
{100, "PGW not responding"},
|
|
|
|
{101, "Collision with network initiated request"},
|
|
|
|
{102, "Unable to page UE due to Suspension"},
|
|
|
|
{103, "Conditional IE missing"},
|
|
|
|
{104, "APN Restriction type Incompatible with currently active PDN connection"},
|
2011-01-03 17:22:02 +00:00
|
|
|
{105, "Invalid overall length of the triggered response message and a piggybacked initial message"},
|
|
|
|
{106, "Data forwarding not supported"},
|
|
|
|
{107, "Invalid reply from remote peer"},
|
|
|
|
{108, "Fallback to GTPv1"},
|
|
|
|
{109, "Invalid peer"},
|
|
|
|
{110, "Temporarily rejected due to handover procedure in progress"},
|
|
|
|
{111, "Modifications not limited to S1-U bearers"},
|
|
|
|
{112, "Request rejected for a PMIPv6 reason "},
|
|
|
|
/* 113-239 Spare. For future use in a triggered/response message */
|
|
|
|
/* 240-255 Spare. For future use in an initial/request message */
|
2009-02-11 19:48:21 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
static value_string_ext gtpv2_cause_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_cause_vals);
|
|
|
|
|
2010-12-30 14:09:09 +00:00
|
|
|
/* Table 8.4-1: CS (Cause Source) */
|
2011-01-04 07:14:11 +00:00
|
|
|
static const true_false_string gtpv2_cause_cs = {
|
|
|
|
"Originated by remote node",
|
|
|
|
"Originated by node sending the message",
|
2010-12-30 14:09:09 +00:00
|
|
|
};
|
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-11 19:48:21 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
int offset = 0;
|
|
|
|
guint8 tmp;
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/* Cause value octet 5 */
|
2011-01-03 17:22:02 +00:00
|
|
|
tmp = tvb_get_guint8(tvb, offset);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause, tvb, offset, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
|
|
|
|
/* Add Cause to ie_tree */
|
|
|
|
proto_item_append_text(item, "%s (%u)", val_to_str_ext_const(tmp, >pv2_cause_vals_ext, "Unknown"),tmp);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset++;
|
2011-01-03 17:22:02 +00:00
|
|
|
|
|
|
|
/* Octet 6 Spare PCE BCE CS */
|
|
|
|
proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause_pce, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause_bce, tvb, offset, 1, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause_cs, tvb, offset, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
offset++;
|
|
|
|
|
|
|
|
/* If n = 2, a = 0 and the Cause IE shall be 6 octets long.
|
|
|
|
* Therefore, octets "a(n+1) to a(n+4)" will not be present.
|
|
|
|
* If n = 6, a = 1 and the Cause IE will be 10 octets long.
|
|
|
|
*/
|
|
|
|
if ( length == 2 ){
|
|
|
|
return;
|
2011-01-04 18:41:25 +00:00
|
|
|
}
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* If the rejection is due to a mandatory IE or a verifiable conditional IE is faulty
|
|
|
|
* or missing, the offending IE shall be included within an additional field "a(n+1)
|
|
|
|
* to a(n+4)". Only Type and Instance fields of the offending IE that caused the
|
|
|
|
* rejection have a meaning. The length in the Octet 8-9 and spare bits in the Octet 10
|
2011-01-04 18:41:25 +00:00
|
|
|
* shall be set to "0". In this case, the value of "n" shall be "6".
|
2011-01-03 17:22:02 +00:00
|
|
|
* Otherwise, the value of "n" is equal to "2".
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Type of the offending IE */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause_off_ie_t, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
/* Length */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ie_len, tvb, offset, 2, FALSE);
|
|
|
|
offset+=2;
|
|
|
|
/* a(n+4) Spare Instance */
|
|
|
|
proto_tree_add_bits_item(tree, hf_gtpv2_spare_half_octet, tvb, offset>>3, 4, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_instance, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
|
|
|
* 8.5 Recovery (Restart Counter)
|
|
|
|
*/
|
2009-02-16 21:21:11 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_recovery(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-16 21:21:11 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
int offset = 0;
|
|
|
|
guint8 recovery;
|
|
|
|
|
|
|
|
recovery = tvb_get_guint8(tvb, offset);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_rec, tvb, offset, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%u", recovery);
|
|
|
|
|
2009-02-16 21:21:11 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
|
|
|
* 8.6 Access Point Name (APN)
|
|
|
|
*/
|
2009-02-16 21:21:11 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_apn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-16 21:21:11 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2009-02-16 21:21:11 +00:00
|
|
|
guint8 *apn = NULL;
|
|
|
|
int name_len, tmp;
|
|
|
|
|
|
|
|
if (length > 0) {
|
2010-05-10 15:54:57 +00:00
|
|
|
name_len = tvb_get_guint8(tvb, offset);
|
|
|
|
|
|
|
|
if (name_len < 0x20) {
|
|
|
|
apn = tvb_get_ephemeral_string(tvb, offset + 1, length - 1);
|
|
|
|
for (;;) {
|
|
|
|
if (name_len >= length - 1)
|
|
|
|
break;
|
|
|
|
tmp = name_len;
|
|
|
|
name_len = name_len + apn[tmp] + 1;
|
|
|
|
apn[tmp] = '.';
|
|
|
|
}
|
|
|
|
} else{
|
|
|
|
apn = tvb_get_ephemeral_string(tvb, offset, length);
|
|
|
|
}
|
|
|
|
proto_tree_add_string(tree, hf_gtpv2_apn, tvb, offset, length, apn);
|
2009-02-16 21:21:11 +00:00
|
|
|
}
|
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%s", apn);
|
|
|
|
|
2009-02-16 21:21:11 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.7 Aggregate Maximum Bit Rate (AMBR)
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ambr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ambr_up, tvb, offset, 4, FALSE);
|
|
|
|
offset= offset + 4;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ambr_down, tvb, offset, 4, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/*
|
2009-02-13 06:10:57 +00:00
|
|
|
* 8.8 EPS Bearer ID (EBI)
|
2009-02-16 21:21:11 +00:00
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ebi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-16 21:21:11 +00:00
|
|
|
{
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
guint8 ebi;
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/* Spare (all bits set to 0) B8 - B5*/
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset, 4, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
/* EPS Bearer ID (EBI) B4 - B1 */
|
2011-01-03 17:22:02 +00:00
|
|
|
ebi = tvb_get_guint8(tvb, offset);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ebi, tvb, offset, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%u", ebi);
|
2009-02-16 21:21:11 +00:00
|
|
|
|
|
|
|
}
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.9 IP Address
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ip_address(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
struct e_in6_addr ipv6_addr;
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
if (length==4)
|
|
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv4, tvb, offset, length, FALSE);
|
2011-01-05 16:46:40 +00:00
|
|
|
proto_item_append_text(item, "IPv4 %s", ip_to_str(tvb_get_ptr(tvb, offset, 4)));
|
2010-05-10 15:54:57 +00:00
|
|
|
}
|
|
|
|
else if (length==16)
|
|
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ip_address_ipv6, tvb, offset, length, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
tvb_get_ipv6(tvb, offset, &ipv6_addr);
|
2011-01-05 16:46:40 +00:00
|
|
|
proto_item_append_text(item, "IPv6 %s", ip6_to_str(&ipv6_addr));
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
}
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.10 Mobile Equipment Identity (MEI)
|
2011-01-04 18:41:25 +00:00
|
|
|
* The ME Identity field contains either the IMEI or the IMEISV
|
2011-01-03 17:22:02 +00:00
|
|
|
* as defined in clause 6.2 of 3GPP TS 23.003 [2]. It is encoded
|
|
|
|
* as specified in clause 7.7.53 of 3GPP TS 29.060 [4], beginning
|
|
|
|
* with octet 4 of Figure 7.7.53.1. The IMEI(SV) digits are encoded
|
|
|
|
* using BCD coding where IMEI is 15 BCD digits and IMEISV is 16 BCD
|
2011-01-04 18:41:25 +00:00
|
|
|
* digits. For IMEI, bits 5 to 8 of the last octet shall be filled
|
2011-01-03 17:22:02 +00:00
|
|
|
* with an end mark coded as '1111'.
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_mei(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset= 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
const gchar *mei_str;
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to
|
|
|
|
* a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the EP
|
2011-01-03 17:22:02 +00:00
|
|
|
* allocated string will be returned.
|
|
|
|
*/
|
|
|
|
mei_str = tvb_bcd_dig_to_ep_str( tvb, 0, length, NULL, FALSE);
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_string(tree, hf_gtpv2_mei, tvb, offset, length, mei_str);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%s", mei_str);
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
2009-02-11 19:48:21 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.11 MSISDN
|
|
|
|
*
|
|
|
|
* MSISDN is defined in 3GPP TS 23.003
|
2009-03-04 19:51:55 +00:00
|
|
|
* Editor's note: MSISDN coding will be defined in TS 24.301.
|
2009-02-11 19:48:21 +00:00
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_msisdn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-11 19:48:21 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
const char *digit_str;
|
2010-04-05 07:37:04 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
/* Octets 5 to (n+4) represent the MSISDN value is in international number format
|
2011-01-04 18:41:25 +00:00
|
|
|
* as described in ITU-T Rec E.164 [25] and 3GPP TS 29.002 [41].
|
2011-01-03 17:22:02 +00:00
|
|
|
* MSISDN value contains only the actual MSISDN number (does not contain the "nature of
|
2011-01-04 18:41:25 +00:00
|
|
|
* address indicator" octet, which indicates "international number"
|
|
|
|
* as in 3GPP TS 29.002 [41]) and is encoded as TBCD digits, i.e.
|
|
|
|
* digits from 0 through 9 are encoded "0000" to "1001".
|
|
|
|
* When there is an odd number of digits, bits 8 to 5 of the last octet are encoded with
|
2011-01-03 17:22:02 +00:00
|
|
|
* the filler "1111".
|
|
|
|
*/
|
2010-05-10 15:54:57 +00:00
|
|
|
dissect_e164_cc(tvb, tree, 0, TRUE);
|
2011-01-04 18:41:25 +00:00
|
|
|
/* Fetch the BCD encoded digits from tvb low half byte, formating the digits according to
|
|
|
|
* a default digit set of 0-9 returning "?" for overdecadic digits a pointer to the EP
|
2011-01-03 17:22:02 +00:00
|
|
|
* allocated string will be returned.
|
|
|
|
*/
|
|
|
|
digit_str = tvb_bcd_dig_to_ep_str( tvb, 0, length, NULL, FALSE);
|
|
|
|
|
|
|
|
proto_tree_add_string(tree, hf_gtpv2_address_digits, tvb, 0, length, digit_str);
|
|
|
|
proto_item_append_text(item, "%s", digit_str);
|
2009-02-11 19:48:21 +00:00
|
|
|
}
|
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
|
|
|
* 8.12 Indication
|
2009-02-16 21:21:11 +00:00
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-16 21:21:11 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_daf, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_dtf, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_hi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_dfi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_oi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_isrsi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_israi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_sgwci, tvb, offset, 1, FALSE);
|
|
|
|
if(length==1)
|
|
|
|
{
|
|
|
|
proto_tree_add_text(tree, tvb, 0, length, "Older version?, should be 2 octets in 8.0.0");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pt, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_tdi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_si, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_msv, tvb, offset, 1, FALSE);
|
2009-02-16 21:21:11 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-16 21:21:11 +00:00
|
|
|
/*
|
|
|
|
* 8.13 Protocol Configuration Options (PCO)
|
2011-01-03 22:13:11 +00:00
|
|
|
* Protocol Configuration Options (PCO) is transferred via GTP tunnels. The sending entity copies the value part of the
|
|
|
|
* PCO into the Value field of the PCO IE. The detailed coding of the PCO field from octets 5 to (n+4) shall be specified
|
|
|
|
* as per clause 10.5.6.3 of 3GPP TS 24.008 [5], starting with octet 3.
|
2009-08-20 07:26:16 +00:00
|
|
|
* Dissected in packet-gsm_a_gm.c
|
2009-02-16 21:21:11 +00:00
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_pco(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-16 21:21:11 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
/* pinfo needed */
|
|
|
|
gsm_a_dtap_pinfo = pinfo;
|
|
|
|
de_sm_pco(tvb, tree, 0, length, NULL, 0);
|
2009-02-16 21:21:11 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-16 21:21:11 +00:00
|
|
|
/*
|
2009-03-01 20:39:44 +00:00
|
|
|
* 8.14 PDN Address Allocation (PAA)
|
|
|
|
*/
|
|
|
|
|
|
|
|
static const value_string gtpv2_pdn_type_vals[] = {
|
|
|
|
{1, "IPv4"},
|
|
|
|
{2, "IPv6"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{3, "IPv4/IPv6"},
|
2009-03-01 20:39:44 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_paa(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
|
|
|
guint8 pdn_type;
|
|
|
|
pdn_type = tvb_get_guint8(tvb, offset);
|
2009-03-01 20:39:44 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, 1, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset++;
|
|
|
|
switch(pdn_type)
|
|
|
|
{
|
|
|
|
case 1:
|
|
|
|
/* IPv4 */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
|
|
|
|
offset+=4;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
/* IPv6*/
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
|
|
|
|
offset+=16;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
/* IPv4/IPv6 */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6_len, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv6, tvb, offset, 16, FALSE);
|
|
|
|
offset+=16;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_ipv4, tvb, offset, 4, FALSE);
|
|
|
|
offset+=4;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
|
|
|
/*
|
2009-02-13 06:10:57 +00:00
|
|
|
* 8.15 Bearer Quality of Service (Bearer QoS)
|
2009-03-01 20:39:44 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_bearer_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pvi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pl, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_pci, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_label_qci, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_up, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_mbr_down, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_up, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_qos_gbr_down, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-03-01 20:39:44 +00:00
|
|
|
/*
|
2009-02-13 06:10:57 +00:00
|
|
|
* 8.16 Flow Quality of Service (Flow QoS)
|
|
|
|
*/
|
2009-03-01 20:39:44 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_flow_qos(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_flow_qos_label_qci, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_up, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_flow_qos_mbr_down, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_up, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_flow_qos_gbr_down, tvb, offset, 5, FALSE);
|
|
|
|
offset= offset+5;
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
|
|
|
* 8.17 RAT Type
|
|
|
|
*/
|
|
|
|
static const value_string gtpv2_rat_type_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "Reserved"},
|
|
|
|
{1, "UTRAN"},
|
|
|
|
{2, "GERAN"},
|
|
|
|
{3, "WLAN"},
|
|
|
|
{4, "GAN"},
|
|
|
|
{5, "HSPA Evolution"},
|
|
|
|
{6, "EUTRAN"},
|
2011-01-03 17:22:02 +00:00
|
|
|
{7, "Virtual"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, NULL}
|
2009-02-13 06:10:57 +00:00
|
|
|
};
|
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
static value_string_ext gtpv2_rat_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_rat_type_vals);
|
|
|
|
|
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_rat_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-13 06:10:57 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
guint8 rat_type;
|
|
|
|
|
|
|
|
rat_type = tvb_get_guint8(tvb, 0);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_rat_type, tvb, 0, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(tree, "%s (%u)", val_to_str_ext_const(rat_type, >pv2_rat_type_vals_ext, "Unknown"),rat_type);
|
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
|
|
|
* 8.18 Serving Network
|
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_serv_net(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-13 06:10:57 +00:00
|
|
|
{
|
2011-01-04 16:58:55 +00:00
|
|
|
gchar *mcc_mnc_str;
|
|
|
|
|
|
|
|
mcc_mnc_str = dissect_e212_mcc_mnc_ep_str(tvb, pinfo, tree, 0, TRUE);
|
|
|
|
proto_item_append_text(tree,"%s", mcc_mnc_str);
|
2009-02-13 06:10:57 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
2010-06-01 22:23:22 +00:00
|
|
|
* 8.19 EPS Bearer Level Traffic Flow Template (Bearer TFT)
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_bearer_tft(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-06-01 22:22:09 +00:00
|
|
|
/* The detailed coding of Traffic Aggregate
|
|
|
|
* Description is specified in 3GPP TS 24.008 [5] ,
|
|
|
|
* clause 10.5.6.12, beginning with octet 3..
|
|
|
|
* Use the decoding in packet-gsm_a_gm.c
|
|
|
|
*/
|
|
|
|
de_sm_tflow_temp(tvb, tree, 0, length, NULL, 0);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
}
|
2010-05-10 15:54:57 +00:00
|
|
|
/* 8.20 Traffic Aggregate Description (TAD)
|
2009-03-01 20:39:44 +00:00
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_tad(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-06-01 22:22:09 +00:00
|
|
|
/* The detailed coding of Traffic Aggregate
|
|
|
|
* Description is specified in 3GPP TS 24.008 [5] ,
|
|
|
|
* clause 10.5.6.12, beginning with octet 3..
|
|
|
|
* Use the decoding in packet-gsm_a_gm.c
|
|
|
|
*/
|
|
|
|
de_sm_tflow_temp(tvb, tree, 0, length, NULL, 0);
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
2010-06-01 22:22:09 +00:00
|
|
|
|
2009-03-01 20:39:44 +00:00
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.21 User Location Info (ULI)
|
2009-03-01 20:39:44 +00:00
|
|
|
*
|
|
|
|
* The flags ECGI, TAI, RAI, SAI and CGI in octed 5 indicate if the corresponding
|
2010-05-10 15:54:57 +00:00
|
|
|
* fields are present in the IE or not. If one of these flags is set to "0",
|
2009-03-01 20:39:44 +00:00
|
|
|
* the corresponding field is not present at all. The respective identities are defined in 3GPP
|
|
|
|
* TS 23.003 [2].
|
2010-05-10 15:54:57 +00:00
|
|
|
* Editor's Note: The definition of ECGI is missing in 3GPP TS 23.003 v8.1.0.
|
2009-03-01 20:39:44 +00:00
|
|
|
* It can be found in 3GPP TS 36.413 v8.3.0, but it is expected that it will be moved
|
|
|
|
* to 23.003 in a future version.
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2010-06-08 08:36:22 +00:00
|
|
|
decode_gtpv2_uli(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 instance _U_, guint flags)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-06-08 08:36:22 +00:00
|
|
|
int offset = 1;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_item *fi;
|
|
|
|
proto_tree *part_tree;
|
2010-05-10 15:54:57 +00:00
|
|
|
|
|
|
|
/* 8.22.1 CGI field */
|
2010-06-08 08:36:22 +00:00
|
|
|
if (flags & GTPv2_ULI_CGI_MASK)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2011-01-04 16:58:55 +00:00
|
|
|
proto_item_append_text(item, "CGI ");
|
2011-01-03 22:13:11 +00:00
|
|
|
fi = proto_tree_add_text(tree, tvb, offset + 1, 7, "Cell Global Identity (CGI)");
|
|
|
|
part_tree = proto_item_add_subtree(fi, ett_gtpv2_uli_field);
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, part_tree, offset, TRUE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=3;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_cgi_lac, tvb, offset, 2, FALSE);
|
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_cgi_ci, tvb, offset, 2, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=4;
|
|
|
|
if(offset==length)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* 8.22.2 SAI field */
|
2010-06-08 08:36:22 +00:00
|
|
|
if (flags & GTPv2_ULI_SAI_MASK)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2011-01-04 16:58:55 +00:00
|
|
|
proto_item_append_text(item, "SAI ");
|
2011-01-03 22:13:11 +00:00
|
|
|
fi = proto_tree_add_text(tree, tvb, offset + 1, 7, "Service Area Identity (SAI)");
|
|
|
|
part_tree = proto_item_add_subtree(fi, ett_gtpv2_uli_field);
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, part_tree, offset, TRUE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=3;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_sai_lac, tvb, offset, 2, FALSE);
|
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_sai_sac, tvb, offset, 2, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=4;
|
|
|
|
if(offset==length)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 8.22.3 RAI field */
|
2010-06-08 08:36:22 +00:00
|
|
|
if (flags & GTPv2_ULI_RAI_MASK)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2011-01-04 16:58:55 +00:00
|
|
|
proto_item_append_text(item, "RAI ");
|
2011-01-03 22:13:11 +00:00
|
|
|
fi = proto_tree_add_text(tree, tvb, offset + 1, 7, "Routeing Area Identity (RAI)");
|
|
|
|
part_tree = proto_item_add_subtree(fi, ett_gtpv2_uli_field);
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, part_tree, offset, TRUE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=3;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_rai_lac, tvb, offset, 2, FALSE);
|
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_rai_rac, tvb, offset, 2, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=4;
|
|
|
|
if(offset==length)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 8.22.4 TAI field */
|
2010-06-08 08:36:22 +00:00
|
|
|
if (flags & GTPv2_ULI_TAI_MASK)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2011-01-04 16:58:55 +00:00
|
|
|
proto_item_append_text(item, "TAI ");
|
2011-01-03 22:13:11 +00:00
|
|
|
fi = proto_tree_add_text(tree, tvb, offset + 1, 7, "Tracking Area Identity (TAI)");
|
|
|
|
part_tree = proto_item_add_subtree(fi, ett_gtpv2_uli_field);
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, part_tree, offset, TRUE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=3;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_tree_add_item(part_tree, hf_gtpv2_uli_tai_tac, tvb, offset, 2, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=2;
|
|
|
|
if(offset==length)
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
/* 8.22.5 ECGI field */
|
2010-06-08 08:36:22 +00:00
|
|
|
if (flags & GTPv2_ULI_ECGI_MASK)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2010-06-08 08:36:22 +00:00
|
|
|
guint8 octet;
|
|
|
|
guint32 octet4;
|
|
|
|
guint8 spare;
|
|
|
|
guint32 ECGI;
|
2011-01-03 22:13:11 +00:00
|
|
|
|
2011-01-04 16:58:55 +00:00
|
|
|
proto_item_append_text(item, "ECGI ");
|
2011-01-03 22:13:11 +00:00
|
|
|
fi = proto_tree_add_text(tree, tvb, offset + 1, 7, "E-UTRAN Cell Global Identifier (ECGI)");
|
|
|
|
part_tree = proto_item_add_subtree(fi, ett_gtpv2_uli_field);
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, part_tree, offset, TRUE);
|
2010-05-10 15:54:57 +00:00
|
|
|
offset+=3;
|
|
|
|
/* The bits 8 through 5, of octet e+3 (Fig 8.21.5-1 in TS 29.274 V8.2.0) are spare
|
2011-01-04 18:41:25 +00:00
|
|
|
* and hence they would not make any difference to the hex string following it,
|
2010-06-08 10:37:03 +00:00
|
|
|
* thus we directly read 4 bytes from the tvb
|
|
|
|
*/
|
2010-05-10 15:54:57 +00:00
|
|
|
|
2010-06-08 08:36:22 +00:00
|
|
|
octet = tvb_get_guint8(tvb,offset);
|
|
|
|
spare = octet & 0xF0;
|
|
|
|
octet4 = tvb_get_ntohl(tvb,offset);
|
|
|
|
ECGI = octet4 & 0x0FFFFFFF;
|
2011-01-03 22:13:11 +00:00
|
|
|
proto_tree_add_uint(part_tree, hf_gtpv2_uli_ecgi_eci_spare, tvb, offset, 1, spare);
|
|
|
|
proto_tree_add_uint(part_tree, hf_gtpv2_uli_ecgi_eci, tvb, offset, 4, ECGI);
|
2010-06-08 10:37:03 +00:00
|
|
|
/*proto_tree_add_item(tree, hf_gtpv2_uli_ecgi_eci, tvb, offset, 4, FALSE);*/
|
2010-06-07 14:29:03 +00:00
|
|
|
offset+=4;
|
2010-05-10 15:54:57 +00:00
|
|
|
if(offset==length)
|
|
|
|
return;
|
|
|
|
|
|
|
|
}
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
|
|
|
|
2010-06-08 08:36:22 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_uli(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2010-06-08 08:36:22 +00:00
|
|
|
{
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_item *flags_item;
|
|
|
|
proto_tree *flag_tree;
|
2010-06-08 08:36:22 +00:00
|
|
|
int offset = 0;
|
|
|
|
guint flags;
|
2011-01-03 22:13:11 +00:00
|
|
|
|
|
|
|
flags_item = proto_tree_add_text(tree, tvb, offset, 1, "Flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flags_item, ett_gtpv2_uli_flags);
|
2010-06-08 08:36:22 +00:00
|
|
|
flags = tvb_get_guint8(tvb,offset)&0x1f;
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset>>3, 3, FALSE);
|
2011-01-04 18:41:25 +00:00
|
|
|
|
2011-01-03 22:13:11 +00:00
|
|
|
/* ECGI B5 */
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_uli_ecgi_flg, tvb, offset, 1, FALSE);
|
2010-06-08 08:36:22 +00:00
|
|
|
/* TAI B4 */
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_uli_tai_flg, tvb, offset, 1, FALSE);
|
2010-06-08 08:36:22 +00:00
|
|
|
/* RAI B3 */
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_uli_rai_flg, tvb, offset, 1, FALSE);
|
2010-06-08 08:36:22 +00:00
|
|
|
/* SAI B2 */
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_uli_sai_flg, tvb, offset, 1, FALSE);
|
2010-06-08 08:36:22 +00:00
|
|
|
/* CGI B1 */
|
2011-01-03 23:21:49 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_uli_cgi_flg, tvb, offset, 1, FALSE);
|
2010-06-08 08:36:22 +00:00
|
|
|
|
|
|
|
decode_gtpv2_uli(tvb, pinfo, tree, item, length, instance, flags);
|
|
|
|
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-06-08 08:55:07 +00:00
|
|
|
/* Diameter 3GPP AVP Code: 22 3GPP-User-Location-Info */
|
2010-06-08 08:36:22 +00:00
|
|
|
/*
|
|
|
|
* TS 29.061 v9.2.0
|
|
|
|
* 16.4.7.2 Coding 3GPP Vendor-Specific RADIUS attributes
|
|
|
|
*
|
|
|
|
* For P-GW, the Geographic Location Type values and coding are defined as follows:
|
|
|
|
*
|
|
|
|
* 0 CGI
|
|
|
|
* 1 SAI
|
|
|
|
* 2 RAI
|
|
|
|
* 3-127 Spare for future use
|
|
|
|
* 128 TAI
|
|
|
|
* 129 ECGI
|
|
|
|
* 130 TAI and ECGI
|
|
|
|
* 131-255 Spare for future use
|
|
|
|
*/
|
|
|
|
|
|
|
|
static int
|
|
|
|
dissect_diameter_3gpp_uli(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_)
|
|
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
guint length;
|
|
|
|
guint flags;
|
|
|
|
guint flags_3gpp;
|
|
|
|
length = tvb_length(tvb);
|
|
|
|
flags_3gpp = tvb_get_guint8(tvb,offset);
|
|
|
|
|
|
|
|
switch(flags_3gpp)
|
|
|
|
{
|
|
|
|
case 128:
|
|
|
|
/* TAI */
|
|
|
|
flags = GTPv2_ULI_TAI_MASK;
|
|
|
|
break;
|
|
|
|
case 129:
|
|
|
|
/* ECGI */
|
|
|
|
flags = GTPv2_ULI_ECGI_MASK;
|
|
|
|
break;
|
|
|
|
case 130:
|
|
|
|
/* TAI and ECGI */
|
|
|
|
flags = GTPv2_ULI_TAI_MASK + GTPv2_ULI_ECGI_MASK;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
flags = flags_3gpp;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
decode_gtpv2_uli(tvb, pinfo, tree, NULL, length, 0, flags);
|
|
|
|
return length;
|
|
|
|
}
|
|
|
|
|
2009-03-01 20:39:44 +00:00
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.22 Fully Qualified TEID (F-TEID)
|
2009-03-01 20:39:44 +00:00
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static const value_string gtpv2_f_teid_interface_type_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "S1-U eNodeB GTP-U interface"},
|
|
|
|
{1, "S1-U SGW GTP-U interface"},
|
|
|
|
{2, "S12 RNC GTP-U interface"},
|
|
|
|
{3, "S12 SGW GTP-U interface"},
|
|
|
|
{4, "S5/S8 SGW GTP-U interface"},
|
|
|
|
{5, "S5/S8 PGW GTP-U interface"},
|
|
|
|
{6, "S5/S8 SGW GTP-C interface"},
|
|
|
|
{7, "S5/S8 PGW GTP-C interface"},
|
|
|
|
{8, "S5/S8 SGW PMIPv6 interface (the 32 bit GRE key is encoded in 32 bit TEID field "
|
|
|
|
"and since alternate CoA is not used the control plane and user plane addresses are the same for PMIPv6)"},
|
|
|
|
{9, "S5/S8 PGW PMIPv6 interface (the 32 bit GRE key is encoded in 32 bit TEID field "
|
|
|
|
"and the control plane and user plane addresses are the same for PMIPv6)"},
|
|
|
|
{10, "S11 MME GTP-C interface"},
|
|
|
|
{11, "S11/S4 SGW GTP-C interface"},
|
|
|
|
{12, "S10 MME GTP-C interface"},
|
|
|
|
{13, "S3 MME GTP-C interface"},
|
|
|
|
{14, "S3 SGSN GTP-C interface"},
|
|
|
|
{15, "S4 SGSN GTP-U interface"},
|
|
|
|
{16, "S4 SGW GTP-U interface"},
|
|
|
|
{17, "S4 SGSN GTP-C interface"},
|
|
|
|
{18, "S16 SGSN GTP-C interface"},
|
|
|
|
{19, "eNodeB GTP-U interface for DL data forwarding"},
|
|
|
|
{20, "eNodeB GTP-U interface for UL data forwarding"},
|
|
|
|
{21, "RNC GTP-U interface for data forwarding"},
|
|
|
|
{22, "SGSN GTP-U interface for data forwarding"},
|
|
|
|
{23, "SGW GTP-U interface for data forwarding"},
|
2010-12-30 14:09:09 +00:00
|
|
|
{24, "Sm MBMS GW GTP-C interface"},
|
|
|
|
{25, "Sn MBMS GW GTP-C interface"},
|
|
|
|
{26, "Sm MME GTP-C interface"},
|
|
|
|
{27, "Sn SGSN GTP-C interface"},
|
|
|
|
{28, "SGW GTP-U interface for UL data forwarding"},
|
|
|
|
{29, "Sn SGSN GTP-U interface"},
|
2011-01-03 17:22:02 +00:00
|
|
|
{30, "S2b ePDG GTP-C interface"},
|
|
|
|
{31, "S2b-U ePDG GTP-U interface"},
|
|
|
|
{32, "S2b PGW GTP-C interface"},
|
|
|
|
{33, "S2b-U PGW GTP-U interface"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, NULL}
|
2009-07-30 21:11:26 +00:00
|
|
|
};
|
2011-01-03 17:22:02 +00:00
|
|
|
static value_string_ext gtpv2_f_teid_interface_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_f_teid_interface_type_vals);
|
|
|
|
|
2011-01-04 07:14:11 +00:00
|
|
|
static const true_false_string gtpv2_f_teid_v4_vals = {
|
|
|
|
"IPv4 address present",
|
|
|
|
"IPv4 address not present",
|
|
|
|
};
|
|
|
|
|
|
|
|
static const true_false_string gtpv2_f_teid_v6_vals = {
|
|
|
|
"IPv6 address present",
|
|
|
|
"IPv6 address not present",
|
|
|
|
};
|
|
|
|
|
2009-03-01 20:39:44 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_f_teid(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2011-01-05 16:46:40 +00:00
|
|
|
guint8 flags;
|
2010-12-30 14:09:09 +00:00
|
|
|
|
2011-01-05 16:46:40 +00:00
|
|
|
flags = tvb_get_guint8(tvb, offset);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_v4, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_v6, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_interface_type, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
offset++;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_gre_key, tvb, offset, 4, FALSE);
|
2011-01-05 16:46:40 +00:00
|
|
|
proto_item_append_text(tree, "%s, TEID/GRE Key: %s", val_to_str_ext_const((flags & 0x1f), >pv2_f_teid_interface_type_vals_ext, "Unknown"),
|
|
|
|
tvb_bytes_to_str(tvb, offset, 4));
|
2010-05-10 15:54:57 +00:00
|
|
|
|
|
|
|
offset= offset+4;
|
2011-01-05 16:46:40 +00:00
|
|
|
if (flags&0x80)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv4, tvb, offset, 4, FALSE);
|
2011-01-05 16:46:40 +00:00
|
|
|
proto_item_append_text(item, ", IPv4 %s", ip_to_str(tvb_get_ptr(tvb, offset, 4)));
|
2010-05-10 15:54:57 +00:00
|
|
|
offset= offset+4;
|
|
|
|
}
|
2011-01-05 16:46:40 +00:00
|
|
|
if (flags&0x40)
|
2010-05-10 15:54:57 +00:00
|
|
|
{
|
2011-01-05 16:46:40 +00:00
|
|
|
struct e_in6_addr ipv6_addr;
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_f_teid_ipv6, tvb, offset, 16, FALSE);
|
2011-01-05 16:46:40 +00:00
|
|
|
tvb_get_ipv6(tvb, offset, &ipv6_addr);
|
|
|
|
proto_item_append_text(item, ", IPv6 %s", ip6_to_str(&ipv6_addr));
|
2010-05-10 15:54:57 +00:00
|
|
|
offset= offset+16;
|
|
|
|
}
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.23 TMSI
|
2009-03-01 20:39:44 +00:00
|
|
|
*/
|
2011-01-05 16:46:40 +00:00
|
|
|
static void
|
|
|
|
dissect_gtpv2_tmsi(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_tmsi, tvb, 0, 4, FALSE);
|
|
|
|
proto_tree_add_text(item, tvb, 0, length, "TMSI: %s", tvb_bytes_to_str(tvb, 0, 4));
|
|
|
|
}
|
2009-03-01 20:39:44 +00:00
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.24 Global CN-Id
|
2009-03-01 20:39:44 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_g_cn_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-03-01 20:39:44 +00:00
|
|
|
{
|
2010-12-30 14:09:09 +00:00
|
|
|
int offset = 0;
|
|
|
|
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, TRUE);
|
|
|
|
offset +=3;
|
|
|
|
|
|
|
|
proto_tree_add_text(tree, tvb, offset, 2, "CN-Id: %s",
|
|
|
|
tvb_bytes_to_str(tvb, offset, 2));
|
2009-03-01 20:39:44 +00:00
|
|
|
}
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.25 S103 PDN Data Forwarding Info (S103PDF)
|
2010-12-30 14:09:09 +00:00
|
|
|
*/
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_s103pdf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
int offset = 0;
|
2010-05-10 15:54:57 +00:00
|
|
|
|
2010-12-30 14:09:09 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_hsgw_addr_f_len, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
proto_tree_add_text(tree, tvb, offset, length-offset, "IE data not fully dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 8.26 S1-U Data Forwarding (S1UDF)
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
* 8.27 Delay Value
|
2009-03-11 06:15:16 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_delay_value(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2009-03-11 06:15:16 +00:00
|
|
|
{
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_delay_value, tvb, offset, 1, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
|
2009-03-11 06:15:16 +00:00
|
|
|
}
|
2010-12-30 14:09:09 +00:00
|
|
|
/*
|
|
|
|
* 8.28 Bearer Context (grouped IE)
|
|
|
|
*/
|
2009-03-11 06:15:16 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_bearer_ctx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2009-03-11 06:15:16 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset= 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
tvbuff_t *new_tvb;
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree *grouped_tree;
|
|
|
|
|
|
|
|
proto_item_append_text(item, "[Grouped IE]");
|
|
|
|
grouped_tree = proto_item_add_subtree(item, ett_gtpv2_bearer_ctx);
|
2011-01-03 17:22:02 +00:00
|
|
|
|
|
|
|
new_tvb = tvb_new_subset(tvb, offset, length, length );
|
|
|
|
dissect_gtpv2_ie_common(new_tvb, pinfo, grouped_tree, 0, message_type);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2009-03-11 06:15:16 +00:00
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
/* 8.29 Charging ID */
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_charging_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_charging_id, tvb, offset, length, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/* 8.30 Charging Characteristics
|
2009-09-15 15:54:06 +00:00
|
|
|
* The charging characteristics information element is defined in 3GPP TS 32.251 [8]
|
2010-05-10 15:54:57 +00:00
|
|
|
* and is a way of informing both the SGW and PGW of the rules for producing charging
|
|
|
|
* information based on operator configured triggers. For the encoding of this
|
2009-09-15 15:54:06 +00:00
|
|
|
* information element see 3GPP TS 32.298 [9].
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static void
|
2010-12-30 14:09:09 +00:00
|
|
|
dissect_gtpv2_char_char(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_charging_characteristic, tvb, offset, 2, FALSE);
|
|
|
|
if(length>2){
|
|
|
|
offset+=2;
|
|
|
|
/* These octet(s) is/are present only if explicitly specified */
|
|
|
|
proto_tree_add_text(tree, tvb, offset, length-2, "Remaining octets");
|
|
|
|
}
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
}
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.30 Bearer Flag
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_bearer_flag(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2011-01-04 07:14:11 +00:00
|
|
|
/* Octet 5 Spare VB PPC */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_flag_ppc, tvb, offset, length, FALSE);
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_flag_vb, tvb, offset, length, FALSE);
|
2011-01-04 18:41:25 +00:00
|
|
|
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.34 PDN Type
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_pdn_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2011-01-03 17:22:02 +00:00
|
|
|
guint8 pdn;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
if (length != 1) {
|
|
|
|
proto_item *expert_item;
|
|
|
|
expert_item = proto_tree_add_text(tree, tvb, 0, length, "Wrong length indicated. Expected 1, got %u", length);
|
|
|
|
expert_add_info_format(pinfo, expert_item, PI_MALFORMED, PI_ERROR, "Wrong length indicated. Expected 1, got %u", length);
|
|
|
|
PROTO_ITEM_SET_GENERATED(expert_item);
|
|
|
|
return;
|
|
|
|
}
|
2009-08-11 23:29:21 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_tree_add_bits_item(tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
pdn = tvb_get_guint8(tvb, offset)& 0x7;
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pdn_type, tvb, offset, length, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(tree, "%s", val_to_str(pdn, gtpv2_pdn_type_vals, "Unknown"));
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.31 Trace Information
|
|
|
|
*/
|
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.33 Paging Cause
|
2011-01-05 16:46:40 +00:00
|
|
|
* 8.33 Void (TS 129 274 V9.4.0 (2010-10))
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
/* 8.35 Procedure Transaction ID (PTI) */
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_pti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_pti, tvb, 0, 1, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.36 DRX Parameter
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.37 UE Network Capability
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.38 MM Context
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
2011-01-03 17:22:02 +00:00
|
|
|
static const value_string gtpv2_mm_context_security_mode[] = {
|
|
|
|
{0, "GSM Key and Triplets"},
|
|
|
|
{1, "UMTS Key, Used Cipher and Quintuplets"},
|
|
|
|
{2, "GSM Key, Used Cipher and Quintuplets"},
|
|
|
|
{3, "UMTS Key and Quintuplets"},
|
|
|
|
{4, "EPS Security Context, Quadruplets and Quintuplets" },
|
|
|
|
{5, "UMTS Key, Quadruplets and Quintuplets"},
|
|
|
|
{0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const true_false_string gtpv2_nhi_vals = {
|
2011-01-04 07:14:11 +00:00
|
|
|
"NH (Next Hop) and NCC (Next Hop Chaining Count) are both present",
|
|
|
|
"NH (Next Hop) and NCC (Next Hop Chaining Count) not present",
|
2011-01-03 17:22:02 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* Table 8.38-2: Used NAS Cipher Values */
|
|
|
|
|
|
|
|
static const value_string gtpv2_mm_context_unc_vals[] = {
|
|
|
|
{0, "No ciphering"},
|
|
|
|
{1, "GEA/1"},
|
|
|
|
{2, "GEA/2"},
|
|
|
|
{3, "GEA/3"},
|
|
|
|
{4, "GEA/4" },
|
|
|
|
{5, "GEA/5"},
|
|
|
|
{6, "GEA/6"},
|
|
|
|
{7, "GEA/7"},
|
|
|
|
{0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Table 8.38-4: Used NAS integrity protection algorithm Values */
|
|
|
|
static const value_string gtpv2_mm_context_unipa_vals[] = {
|
|
|
|
{0, "No ciphering"},
|
|
|
|
{1, "128-EEA1"},
|
|
|
|
{2, "128-EEA2"},
|
|
|
|
{3, "EEA3"},
|
|
|
|
{4, "EEA4" },
|
|
|
|
{5, "EEA5"},
|
|
|
|
{6, "EEA6"},
|
|
|
|
{7, "EEA7"},
|
|
|
|
{0, NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_mm_context_gsm_t(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
proto_item *flag;
|
|
|
|
proto_tree *flag_tree;
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
flag = proto_tree_add_text(tree, tvb, offset, 3, "MM Context flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flag, ett_gtpv2_mm_context_flag);
|
|
|
|
|
|
|
|
/* Security Mode | Spare | DRXI | CKSN */
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset<<3, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
/* Number of Triplet | Spare | UAMB RI | SAMB RI */
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_tri, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
proto_tree_add_text(flag_tree, tvb, offset, -1, "The rest of the IE not dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2011-01-03 17:30:35 +00:00
|
|
|
dissect_gtpv2_mm_context_utms_cq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2011-01-03 17:22:02 +00:00
|
|
|
{
|
|
|
|
proto_item *flag;
|
|
|
|
proto_tree *flag_tree;
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
flag = proto_tree_add_text(tree, tvb, offset, 3, "MM Context flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flag, ett_gtpv2_mm_context_flag);
|
|
|
|
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset<<3)+3), 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn_ksi, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
proto_tree_add_text(flag_tree, tvb, offset, -1, "The rest of the IE not dissected yet");
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2011-01-03 17:32:15 +00:00
|
|
|
dissect_gtpv2_mm_context_gsm_cq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2011-01-03 17:22:02 +00:00
|
|
|
{
|
|
|
|
proto_item *flag;
|
|
|
|
proto_tree *flag_tree;
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
flag = proto_tree_add_text(tree, tvb, offset, 3, "MM Context flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flag, ett_gtpv2_mm_context_flag);
|
|
|
|
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset<<3)+3), 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_cksn_ksi, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
proto_tree_add_text(flag_tree, tvb, offset, -1, "The rest of the IE not dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
2011-01-03 17:30:35 +00:00
|
|
|
dissect_gtpv2_mm_context_utms_q(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2011-01-03 17:22:02 +00:00
|
|
|
{
|
|
|
|
proto_item *flag;
|
|
|
|
proto_tree *flag_tree;
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
flag = proto_tree_add_text(tree, tvb, offset, 3, "MM Context flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flag, ett_gtpv2_mm_context_flag);
|
|
|
|
|
|
|
|
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, ((offset<<3)+3), 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_ksi, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_bits_item(flag_tree, hf_gtpv2_spare_bits, tvb, offset<<3, 5, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
proto_tree_add_text(flag_tree, tvb, offset, -1, "The rest of the IE not dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/* EPS Security Context and Quadruplets */
|
|
|
|
static void
|
2011-01-03 17:30:35 +00:00
|
|
|
dissect_gtpv2_mm_context_eps_qq(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
2011-01-03 17:22:02 +00:00
|
|
|
{
|
|
|
|
proto_item *flag/*, *auth_qua, *net_cap*/;
|
|
|
|
proto_tree *flag_tree/*, *auth_qua_tree, *net_cap_tree*/;
|
|
|
|
guint32 offset/*, nas_dc, nas_uc, i*/;
|
|
|
|
/*guint8 nhi, drxi, nr_qui, nr_qua, tmp;*/
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
|
|
|
|
/*nhi = (tvb_get_guint8(tvb, offset) & 0x10);*/
|
|
|
|
/*drxi = (tvb_get_guint8(tvb, offset) & 0x08);*/
|
|
|
|
|
|
|
|
flag = proto_tree_add_text(tree, tvb, offset, 3, "MM Context flags");
|
|
|
|
flag_tree = proto_item_add_subtree(flag, ett_gtpv2_mm_context_flag);
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/* Octet 5
|
2011-01-03 17:22:02 +00:00
|
|
|
* Bits
|
|
|
|
* 8 7 6 5 4 3 2 1
|
2011-01-04 18:41:25 +00:00
|
|
|
* Security Mode | NHI | DRXI | KSIASME
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_sm, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nhi, tvb, offset, 1, FALSE);
|
2011-01-04 18:41:25 +00:00
|
|
|
/* If NHI (Next Hop Indicator), bit 5 of octet 5, is set to "1",
|
2011-01-03 17:22:02 +00:00
|
|
|
* then the optional parameters NH (Next Hop) and NCC (Next
|
|
|
|
* Hop Chaining Count) are both present, otherwise their octets are not present.
|
2011-01-04 18:41:25 +00:00
|
|
|
*/
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_drxi, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_ksi_a, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
/* Octet 6
|
|
|
|
* Bits
|
|
|
|
* 8 7 6 5 4 3 2 1
|
|
|
|
* Number of | Number of | UAMB | OSCI
|
|
|
|
* Quintuplets | Quadruplet | RI |
|
|
|
|
*/
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qui, tvb, offset, 1, FALSE);
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nr_qua, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
/* Octet 7 */
|
|
|
|
/* Used NAS integrity protection algorithm */
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_unipa, tvb, offset, 1, FALSE);
|
|
|
|
/* Used NAS Cipher */
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_unc, tvb, offset, 1, FALSE);
|
|
|
|
offset += 1;
|
|
|
|
|
|
|
|
/* Octet 8-10 NAS Downlink Count*/
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nas_dl_cnt, tvb, offset, 1, FALSE);
|
|
|
|
offset += 3;
|
|
|
|
|
|
|
|
/* Octet 11-13 NAS Uplink Count */
|
|
|
|
proto_tree_add_item(flag_tree, hf_gtpv2_mm_context_nas_ul_cnt, tvb, offset, 1, FALSE);
|
|
|
|
offset += 3;
|
|
|
|
|
|
|
|
proto_tree_add_text(flag_tree, tvb, offset, -1, "The rest of the IE not dissected yet");
|
|
|
|
|
|
|
|
}
|
2010-06-28 15:31:41 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.39 PDN Connection (grouped IE)
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 21:05:31 +00:00
|
|
|
dissect_gtpv2_PDN_conn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree _U_, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2010-06-28 15:31:41 +00:00
|
|
|
{
|
|
|
|
int offset= 0;
|
|
|
|
proto_tree *grouped_tree;
|
2011-01-03 17:22:02 +00:00
|
|
|
tvbuff_t *new_tvb;
|
2010-06-28 15:31:41 +00:00
|
|
|
|
|
|
|
proto_item_append_text(item, "[Grouped IE]");
|
|
|
|
grouped_tree = proto_item_add_subtree(item, ett_gtpv2_PDN_conn);
|
2011-01-03 17:22:02 +00:00
|
|
|
new_tvb = tvb_new_subset(tvb, offset, length, length );
|
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ie_common(tvb, pinfo, grouped_tree, offset, message_type);
|
|
|
|
}
|
|
|
|
/*
|
2010-05-10 15:54:57 +00:00
|
|
|
* 8.40 PDU Numbers
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.41 Packet TMSI (P-TMSI)
|
2009-06-11 16:25:35 +00:00
|
|
|
* 8.42 P-TMSI Signature
|
|
|
|
* 8.43 Hop Counter
|
2009-07-30 21:11:26 +00:00
|
|
|
*/
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.44 UE Time Zone
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static const value_string gtpv2_ue_time_zone_dst_vals[] = {
|
|
|
|
{0, "No Adjustments for Daylight Saving Time"},
|
|
|
|
{1, "+1 Hour Adjustments for Daylight Saving Time"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{2, "+2 Hour Adjustments for Daylight Saving Time"},
|
2009-07-30 21:11:26 +00:00
|
|
|
{3, "Spare"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ue_time_zone(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
int offset = 0;
|
2010-12-30 14:09:09 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ue_time_zone, tvb, offset, 1, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
offset= offset+ 1;
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ue_time_zone_dst, tvb, offset, 1, FALSE);
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
|
|
|
|
}
|
2010-12-30 14:09:09 +00:00
|
|
|
/*
|
|
|
|
* 8.45 Trace Reference
|
|
|
|
*/
|
|
|
|
/*
|
2010-06-28 15:31:41 +00:00
|
|
|
* 8.46 Complete Request Message
|
2010-12-30 14:09:09 +00:00
|
|
|
*/
|
|
|
|
static const value_string gtpv2_complete_req_msg_type_vals[] = {
|
|
|
|
{0, "Complete Attach Request Message" },
|
|
|
|
{1, "Complete TAU Request Message" },
|
|
|
|
{0, NULL }
|
|
|
|
};
|
|
|
|
static void
|
|
|
|
dissect_complete_request_msg(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
tvbuff_t *new_tvb;
|
|
|
|
int offset;
|
|
|
|
|
|
|
|
offset = 0;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_complete_req_msg_type, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
/* Add the Complete Request Message */
|
|
|
|
new_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
call_dissector(nas_eps_handle, new_tvb, pinfo, tree);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.47 GUTI
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
2010-12-30 14:09:09 +00:00
|
|
|
static void
|
|
|
|
dissect_gtpv2_guti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
|
|
|
|
offset = 0;
|
2011-01-04 18:41:25 +00:00
|
|
|
|
2010-12-30 14:09:09 +00:00
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, 0, TRUE);
|
|
|
|
offset += 3;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_mme_grp_id, tvb, offset, 2, FALSE);
|
|
|
|
offset += 2;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_mme_code, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_m_tmsi, tvb, offset,4, FALSE);
|
2010-12-30 14:09:09 +00:00
|
|
|
}
|
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.48 Fully Qualified Container (F-Container)
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static const value_string gtpv2_container_type_vals[] = {
|
|
|
|
{1, "UTRAN transparent container"},
|
|
|
|
{2, "BSS container"},
|
|
|
|
{3, "E-UTRAN transparent container"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
2010-06-29 14:56:39 +00:00
|
|
|
dissect_gtpv2_F_container(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_item *item _U_, guint16 length,guint8 message_type, guint8 instance _U_)
|
2010-06-28 15:31:41 +00:00
|
|
|
{
|
2010-06-29 14:56:39 +00:00
|
|
|
tvbuff_t *tvb_new;
|
2010-06-28 15:31:41 +00:00
|
|
|
int offset = 0;
|
2010-06-29 14:56:39 +00:00
|
|
|
guint8 container_type;
|
2010-06-28 15:31:41 +00:00
|
|
|
|
|
|
|
/* Octets 8 7 6 5 4 3 2 1
|
|
|
|
* 5 Spare | Container Type
|
|
|
|
*/
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_container_type, tvb, offset, 1, FALSE);
|
2010-06-29 14:56:39 +00:00
|
|
|
container_type = tvb_get_guint8(tvb,offset);
|
2010-06-28 15:31:41 +00:00
|
|
|
offset++;
|
2010-06-29 14:56:39 +00:00
|
|
|
if(message_type == GTPV2_FORWARD_CTX_NOTIFICATION){
|
|
|
|
switch(container_type){
|
|
|
|
case 3:
|
|
|
|
/* E-UTRAN transparent container */
|
2010-12-30 14:09:09 +00:00
|
|
|
tvb_new = tvb_new_subset_remaining(tvb, offset);
|
2010-06-29 14:56:39 +00:00
|
|
|
dissect_s1ap_ENB_StatusTransfer_TransparentContainer_PDU(tvb_new, pinfo, tree);
|
|
|
|
return;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2011-01-04 18:41:25 +00:00
|
|
|
/* 7.3.2 Forward Relocation Response
|
|
|
|
* E-UTRAN Transparent Container
|
2011-01-03 17:22:02 +00:00
|
|
|
* This IE is conditionally included only during a handover to
|
|
|
|
* E-UTRAN and contains the radio-related and core network
|
|
|
|
* information. If the Cause IE contains the value "Request
|
2011-01-04 18:41:25 +00:00
|
|
|
* accepted", this IE shall be included.
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
2010-06-29 14:56:39 +00:00
|
|
|
proto_tree_add_text(tree, tvb, offset, length-offset, "Not dissected yet");
|
2010-06-28 15:31:41 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.49 Fully Qualified Cause (F-Cause)
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static const value_string gtpv2_cause_type_vals[] = {
|
|
|
|
{0, "Radio Network Layer"},
|
|
|
|
{1, "Transport Layer"},
|
|
|
|
{2, "NAS"},
|
|
|
|
{3, "Protocol"},
|
|
|
|
{4, "Miscellaneous"},
|
|
|
|
{5, "<spare>"},
|
|
|
|
{6, "<spare>"},
|
|
|
|
{7, "<spare>"},
|
|
|
|
{8, "<spare>"},
|
|
|
|
{9, "<spare>"},
|
|
|
|
{10, "<spare>"},
|
|
|
|
{11, "<spare>"},
|
|
|
|
{12, "<spare>"},
|
|
|
|
{13, "<spare>"},
|
|
|
|
{14, "<spare>"},
|
|
|
|
{15, "<spare>"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
2010-07-21 12:29:32 +00:00
|
|
|
static value_string_ext gtpv2_cause_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_cause_type_vals);
|
2010-06-28 15:31:41 +00:00
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_F_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
|
|
|
|
int offset = 0;
|
|
|
|
guint8 cause_type;
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/* The value of Instance field of the F-Cause IE in a GTPv2 message shall indicate
|
|
|
|
* whether the F-Cause field contains RANAP Cause, BSSGP Cause or RAN Cause.
|
|
|
|
* If the F-Cause field contains RAN Cause, the Cause Type field shall contain
|
2010-06-28 15:31:41 +00:00
|
|
|
* the RAN cause subcategory as specified in 3GPP TS 36.413 [10] and it shall be
|
2011-01-04 18:41:25 +00:00
|
|
|
* encoded as in Table 8.49-1.
|
|
|
|
* If the F-Cause field contains BSSGP Cause or RANAP Cause,
|
2010-06-28 15:31:41 +00:00
|
|
|
* the Cause Type field shall be ignored by the receiver.
|
|
|
|
*/
|
|
|
|
if(message_type == GTPV2_FORWARD_RELOCATION_REQ){
|
|
|
|
switch(instance){
|
|
|
|
case 0:
|
|
|
|
proto_item_append_text(item, "[RAN Cause]");
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cause_type, tvb, offset, 1, FALSE);
|
|
|
|
cause_type = tvb_get_guint8(tvb,offset);
|
|
|
|
offset++;
|
|
|
|
switch(cause_type){
|
|
|
|
case 0:
|
|
|
|
/* CauseRadioNetwork */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_CauseRadioNetwork, tvb, offset, 1, FALSE);
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
/* CauseTransport */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_CauseTransport, tvb, offset, 1, FALSE);
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
/* CauseNas */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_CauseNas, tvb, offset, 1, FALSE);
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
/* CauseProtocol */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_CauseProtocol, tvb, offset, 1, FALSE);
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
/* CauseMisc */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_CauseMisc, tvb, offset, 1, FALSE);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
proto_item_append_text(item, "[RANAP Cause]");
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
proto_item_append_text(item, "[BSSGP Cause]");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
proto_tree_add_text(tree, tvb, offset, length-offset, "Not dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.50 Selected PLMN ID
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* The Selected PLMN ID IE contains the core network operator selected for tne UE
|
|
|
|
* in a shared network. Octets 5-7 shall be encoded as the content part of the
|
|
|
|
* "Selected PLMN Identity" parameter in 3GPP TS 36.413 [10].
|
|
|
|
*/
|
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.51 Target Identification
|
2010-06-28 15:31:41 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
static const value_string gtpv2_target_type_vals[] = {
|
|
|
|
{0, "RNC ID"},
|
|
|
|
{1, "Macro eNodeB ID"},
|
|
|
|
{2, "Cell Identifier"},
|
|
|
|
{3, "Home eNodeB ID"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
2010-07-21 12:29:32 +00:00
|
|
|
static value_string_ext gtpv2_target_type_vals_ext = VALUE_STRING_EXT_INIT(gtpv2_target_type_vals);
|
2010-06-28 15:31:41 +00:00
|
|
|
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_target_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
tvbuff_t *tvb_new;
|
|
|
|
int offset = 0;
|
|
|
|
guint8 target_type;
|
|
|
|
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_target_type, tvb, 0, 1, FALSE);
|
|
|
|
target_type = tvb_get_guint8(tvb,offset);
|
|
|
|
offset++;
|
|
|
|
switch(target_type){
|
|
|
|
case 0:
|
2010-12-30 14:09:09 +00:00
|
|
|
/* RNC ID
|
|
|
|
* In this case the Target ID field shall be encoded as the Target
|
|
|
|
* RNC-ID part of the "Target ID" parameter in 3GPP TS 25.413 [33]. Therefore, the "Choice Target ID" that indicates
|
|
|
|
* "Target RNC-ID" (numerical value of 0x20) shall not be included (value in octet 5 specifies the target type).
|
|
|
|
*/
|
|
|
|
tvb_new = tvb_new_subset_remaining(tvb, offset);
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_ranap_TargetRNC_ID_PDU(tvb_new, pinfo, tree);
|
|
|
|
return;
|
|
|
|
break;
|
|
|
|
case 1:
|
2010-12-30 14:09:09 +00:00
|
|
|
/* Macro eNodeB ID*/
|
|
|
|
tvb_new = tvb_new_subset_remaining(tvb, offset);
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_e212_mcc_mnc(tvb_new, pinfo, tree, 0, TRUE);
|
|
|
|
offset+=3;
|
2011-01-04 18:41:25 +00:00
|
|
|
/* The Macro eNodeB ID consists of 20 bits.
|
2010-06-28 15:31:41 +00:00
|
|
|
* Bit 4 of Octet 4 is the most significant bit and bit 1 of Octet 6 is the least significant bit.
|
|
|
|
*/
|
2010-12-30 14:09:09 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_macro_enodeb_id, tvb, offset, 3, FALSE);
|
|
|
|
offset+=3;
|
|
|
|
/* Tracking Area Code (TAC) */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_uli_tai_tac, tvb, offset, 2, FALSE);
|
2010-06-28 15:31:41 +00:00
|
|
|
return;
|
|
|
|
|
|
|
|
case 2:
|
|
|
|
/* Cell Identifier */
|
2010-12-30 14:09:09 +00:00
|
|
|
/* Target ID field shall be same as the Octets 3 to 10 of the Cell Identifier IEI
|
|
|
|
* in 3GPP TS 48.018 [34].
|
|
|
|
*/
|
2010-06-28 15:31:41 +00:00
|
|
|
case 3:
|
|
|
|
/* Home eNodeB ID */
|
2010-12-30 14:09:09 +00:00
|
|
|
/* Octet 10 to 12 Home eNodeB ID */
|
|
|
|
/* Octet 13 to 14 Tracking Area Code (TAC) */
|
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
proto_tree_add_text(tree, tvb, offset, length-offset, "Not dissected yet");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* 8.52 Void
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.53 Packet Flow ID
|
|
|
|
* 8.54 RAB Context
|
|
|
|
* 8.55 Source RNC PDCP context info
|
|
|
|
* 8.56 UDP Source Port Number
|
2009-02-13 06:10:57 +00:00
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.57 APN Restriction
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_apn_rest(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
guint8 type_value;
|
|
|
|
|
|
|
|
type_value = tvb_get_guint8(tvb, 0);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_apn_rest, tvb, 0, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "value %u", type_value);
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.58 Selection Mode
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static const value_string gtpv2_selec_mode_vals[] = {
|
|
|
|
{0, "MS or network provided APN, subscribed verified"},
|
|
|
|
{1, "MS provided APN, subscription not verified"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{2, "Network provided APN, subscription not verified"},
|
2009-07-30 21:11:26 +00:00
|
|
|
{3, "Network provided APN, subscription not verified (Basically for Future use"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_selec_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
int offset=0;
|
|
|
|
guint8 ss_mode;
|
2009-07-30 21:11:26 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
ss_mode = tvb_get_guint8(tvb, offset) & 0x03;
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_selec_mode, tvb, offset, 1, FALSE);
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(item, "%s", val_to_str(ss_mode, gtpv2_selec_mode_vals, "Unknown"));
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.59 Source Identification
|
|
|
|
*/
|
2011-01-04 07:14:11 +00:00
|
|
|
#if 0
|
|
|
|
static const value_string gtpv2_source_ident_types[] = {
|
|
|
|
{0, "Cell ID"},
|
|
|
|
{1, "RNC ID"},
|
|
|
|
{2, "eNodeB ID"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_source_ident(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_, guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
|
|
|
int offset=0;
|
|
|
|
|
|
|
|
/* Octet 5 to 12 Target Cell ID */
|
|
|
|
de_cell_id(tvb, tree, offset, 8, NULL, 0);
|
|
|
|
/* Octet 13 Source Type */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_source_type, tvb, offset, 1, FALSE);
|
|
|
|
/* Octet 14 to (n+4) Source ID */
|
|
|
|
/* The Source Type is Cell ID for PS handover from GERAN A/Gb mode. In this case the coding of the Source ID field
|
|
|
|
* shall be same as the Octets 3 to 10 of the Cell Identifier IEI in 3GPP TS 48.018 [34].
|
|
|
|
*/
|
|
|
|
/* The Source Type is RNC ID for PS handover from GERAN Iu mode or for inter-RAT handover from UTRAN. In this
|
|
|
|
* case the Source ID field shall be encoded as as the Source RNC-ID part of the "Source ID" parameter in 3GPP TS
|
|
|
|
* 25.413 [33].
|
|
|
|
*/
|
2011-01-03 17:22:02 +00:00
|
|
|
|
2011-01-04 07:14:11 +00:00
|
|
|
}
|
|
|
|
#endif
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2011-01-03 17:22:02 +00:00
|
|
|
* 8.60 Bearer Control Mode
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static const value_string gtpv2_bearer_control_mode_vals[] = {
|
|
|
|
{0, "Selected Bearer Control Mode-'MS_only'"},
|
|
|
|
{1, "Selected Bearer Control Mode-'Network_only'"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{2, "Selected Bearer Control Mode-'MS/NW'"},
|
2009-07-30 21:11:26 +00:00
|
|
|
{0, NULL}
|
|
|
|
};
|
2011-01-04 07:14:11 +00:00
|
|
|
static const value_string gtpv2_bearer_control_mode_short_vals[] = {
|
|
|
|
{0, "MS_only"},
|
|
|
|
{1, "Network_only"},
|
|
|
|
{2, "MS/NW"},
|
|
|
|
{0, NULL}
|
|
|
|
};
|
2009-07-30 21:11:26 +00:00
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_bearer_control_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
2011-01-04 07:14:11 +00:00
|
|
|
guint8 bcm;
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_bearer_control_mode, tvb, 0, 1, FALSE);
|
2011-01-04 07:14:11 +00:00
|
|
|
/* Add Bearer Control Mode to tree */
|
|
|
|
bcm = tvb_get_guint8(tvb, 0);
|
|
|
|
proto_item_append_text(tree, "%s", val_to_str(bcm, gtpv2_bearer_control_mode_short_vals, "Unknown"));
|
|
|
|
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
2009-02-13 06:10:57 +00:00
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.61 Change Reporting Action
|
2009-02-13 06:10:57 +00:00
|
|
|
*/
|
|
|
|
static const value_string gtpv2_cng_rep_act_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "Stop Reporting"},
|
|
|
|
{1, "Start Reporting CGI/SAI"},
|
|
|
|
{2, "Start Reporting RAI"},
|
2011-01-03 17:22:02 +00:00
|
|
|
{3, "Start Reporting TAI"},
|
|
|
|
{4, "Start Reporting ECGI"},
|
|
|
|
{5, "Start Reporting CGI/SAI and RAI"},
|
|
|
|
{6, "Start Reporting TAI and ECGI"},
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, NULL}
|
2009-02-13 06:10:57 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_cng_rep_act(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-02-13 06:10:57 +00:00
|
|
|
{
|
2011-01-03 17:22:02 +00:00
|
|
|
guint8 action;
|
|
|
|
|
|
|
|
/* Add Action to tree */
|
|
|
|
action = tvb_get_guint8(tvb, 0);
|
2011-01-04 18:41:25 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_cng_rep_act, tvb, 0, 1, FALSE);
|
2009-02-13 06:10:57 +00:00
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
proto_item_append_text(tree, "%s", val_to_str(action, gtpv2_cng_rep_act_vals, "Unknown"));
|
2009-02-13 06:10:57 +00:00
|
|
|
}
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.62 Fully qualified PDN Connection Set Identifier (FQ-CSID)
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.63 Channel needed
|
2011-01-03 17:22:02 +00:00
|
|
|
*/
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.64 eMLPP Priority
|
2009-07-30 21:11:26 +00:00
|
|
|
*/
|
|
|
|
|
2011-01-03 17:22:02 +00:00
|
|
|
/*
|
|
|
|
* 8.65 Node Type
|
|
|
|
*/
|
2009-07-30 21:11:26 +00:00
|
|
|
static const value_string gtpv2_node_type_vals[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
{0, "MME"},
|
|
|
|
{1, "SGSN"},
|
|
|
|
{0, NULL}
|
2009-07-30 21:11:26 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_node_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2009-07-30 21:11:26 +00:00
|
|
|
{
|
|
|
|
|
2011-01-04 07:14:11 +00:00
|
|
|
guint8 node_type;
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, hf_gtpv2_node_type, tvb, 0, 1, FALSE);
|
2011-01-04 07:14:11 +00:00
|
|
|
/* Append Node Type to tree */
|
|
|
|
node_type = tvb_get_guint8(tvb, 0);
|
|
|
|
proto_item_append_text(tree, "%s", val_to_str(node_type, gtpv2_node_type_vals, "Unknown"));
|
|
|
|
|
2009-07-30 21:11:26 +00:00
|
|
|
}
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
/*
|
2010-06-01 22:22:09 +00:00
|
|
|
* 8.66 Fully Qualified Domain Name (FQDN)
|
|
|
|
*/
|
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_fqdn(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2010-06-01 22:22:09 +00:00
|
|
|
{
|
|
|
|
/* The FQDN field encoding shall be identical to the encoding of
|
|
|
|
* a FQDN within a DNS message of section 3.1 of IETF
|
|
|
|
* RFC 1035 [31] but excluding the trailing zero byte.
|
|
|
|
*/
|
|
|
|
|
|
|
|
proto_tree_add_text(tree, tvb, 0, length, "Not dissected yet");
|
|
|
|
}
|
|
|
|
/*
|
2009-04-28 19:40:37 +00:00
|
|
|
* 8.67 Private Extension
|
2009-02-13 06:10:57 +00:00
|
|
|
*/
|
2010-06-01 22:22:09 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_private_ext(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length _U_,guint8 message_type _U_, guint8 instance _U_)
|
2010-06-01 22:22:09 +00:00
|
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
|
|
|
|
/* oct 5 -7 Enterprise ID */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_enterprise_id, tvb, offset, 2, FALSE);
|
|
|
|
offset+=2;
|
|
|
|
proto_tree_add_text(tree, tvb, offset, length-2, "Proprietary value");
|
|
|
|
|
|
|
|
}
|
2010-06-28 15:31:41 +00:00
|
|
|
/*
|
|
|
|
* 8.68 Transaction Identifier (TI)
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
dissect_gtpv2_ti(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, proto_item *item _U_, guint16 length, guint8 message_type _U_, guint8 instance _U_)
|
|
|
|
{
|
2010-06-01 22:22:09 +00:00
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
/* 5 to (n+4) Transaction Identifier */
|
|
|
|
proto_tree_add_item(tree, hf_gtpv2_ti, tvb, 0, length, FALSE);
|
|
|
|
|
|
|
|
}
|
2010-06-01 22:22:09 +00:00
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
typedef struct _gtpv2_ie {
|
|
|
|
int ie_type;
|
2010-06-28 15:31:41 +00:00
|
|
|
void (*decode) (tvbuff_t *, packet_info *, proto_tree *, proto_item *, guint16, guint8, guint8);
|
2009-02-11 19:48:21 +00:00
|
|
|
} gtpv2_ie_t;
|
|
|
|
|
|
|
|
static const gtpv2_ie_t gtpv2_ies[] = {
|
|
|
|
{GTPV2_IE_IMSI, dissect_gtpv2_imsi},
|
2010-12-30 14:09:09 +00:00
|
|
|
{GTPV2_IE_CAUSE, dissect_gtpv2_cause}, /* 2, Cause (without embedded offending IE) 8.4 */
|
|
|
|
{GTPV2_REC_REST_CNT, dissect_gtpv2_recovery}, /* 3, Recovery (Restart Counter) 8.5 */
|
|
|
|
/* 4-50 Reserved for S101 interface Extendable / See 3GPP TS 29.276 [14] */
|
|
|
|
/* 51-70 Reserved for Sv interface Extendable / See 3GPP TS 29.280 [15] */
|
|
|
|
{GTPV2_APN, dissect_gtpv2_apn}, /* 71, Access Point Name (APN) 8.6 */
|
|
|
|
{GTPV2_AMBR, dissect_gtpv2_ambr}, /* 72, Aggregate Maximum Bit Rate (AMBR) */
|
|
|
|
{GTPV2_EBI, dissect_gtpv2_ebi}, /* 73, EPS Bearer ID (EBI) 8.8 */
|
|
|
|
{GTPV2_IP_ADDRESS, dissect_gtpv2_ip_address}, /* 74, IP Address */
|
|
|
|
{GTPV2_MEI, dissect_gtpv2_mei}, /* 74, Mobile Equipment Identity */
|
|
|
|
{GTPV2_IE_MSISDN, dissect_gtpv2_msisdn}, /* 76, MSISDN 8.11 */
|
|
|
|
{GTPV2_INDICATION, dissect_gtpv2_ind}, /* 77 Indication 8.12 */
|
|
|
|
{GTPV2_PCO, dissect_gtpv2_pco}, /* 78 Protocol Configuration Options (PCO) 8.13 */
|
|
|
|
{GTPV2_PAA, dissect_gtpv2_paa}, /* 79 PDN Address Allocation (PAA) 8.14 */
|
|
|
|
{GTPV2_BEARER_QOS,dissect_gtpv2_bearer_qos}, /* 80 Bearer Level Quality of Service (Bearer QoS) 8.15 */
|
|
|
|
{GTPV2_IE_FLOW_QOS, dissect_gtpv2_flow_qos}, /* 81 Flow Quality of Service (Flow QoS) 8.16 */
|
|
|
|
{GTPV2_IE_RAT_TYPE, dissect_gtpv2_rat_type}, /* 82, RAT Type 8.17 */
|
|
|
|
{GTPV2_IE_SERV_NET, dissect_gtpv2_serv_net}, /* 83, Serving Network 8.18 */
|
2011-01-03 17:22:02 +00:00
|
|
|
{GTPV2_IE_BEARER_TFT, dissect_gtpv2_bearer_tft}, /* 84, Bearer TFT 8.19 */
|
2010-12-30 14:09:09 +00:00
|
|
|
{GTPV2_IE_TAD, dissect_gtpv2_tad}, /* 85, Traffic Aggregate Description 8.20 */
|
|
|
|
{GTPV2_IE_ULI, dissect_gtpv2_uli}, /* 86, User Location Info (ULI) 8.22 */
|
|
|
|
{GTPV2_IE_F_TEID, dissect_gtpv2_f_teid}, /* 87, Fully Qualified Tunnel Endpoint Identifier (F-TEID) 8.23 */
|
2011-01-05 16:46:40 +00:00
|
|
|
{GTPV2_IE_TMSI, dissect_gtpv2_tmsi}, /* 88, TMSI 8.23 */
|
2010-12-30 14:09:09 +00:00
|
|
|
{GTPV2_IE_GLOBAL_CNID, dissect_gtpv2_g_cn_id}, /* 89, Global CN-Id 8.25 */
|
|
|
|
{GTPV2_IE_S103PDF, dissect_gtpv2_s103pdf}, /* 90, S103 PDN Data Forwarding Info (S103PDF) 8.25 */
|
|
|
|
{GTPV2_IE_DEL_VAL, dissect_gtpv2_delay_value}, /* 92, Delay Value 8.29 */
|
|
|
|
{GTPV2_IE_BEARER_CTX,dissect_gtpv2_bearer_ctx}, /* 93, Bearer Context 8.31 */
|
|
|
|
{GTPV2_IE_CHAR_ID, dissect_gtpv2_charging_id}, /* 94, Charging Id */
|
|
|
|
{GTPV2_IE_CHAR_CHAR, dissect_gtpv2_char_char}, /* 95 Charging Characteristic */
|
2011-01-04 18:41:25 +00:00
|
|
|
|
2010-12-30 14:09:09 +00:00
|
|
|
{GTPV2_BEARER_FLAG, dissect_gtpv2_bearer_flag}, /* 97, Bearer Flag */
|
|
|
|
{GTPV2_IE_PDN_TYPE, dissect_gtpv2_pdn_type}, /* 99, PDN Type */
|
|
|
|
{GTPV2_IE_PTI, dissect_gtpv2_pti}, /* 100, Procedure Transaction Id */
|
2011-01-03 17:22:02 +00:00
|
|
|
{GTPV2_IE_MM_CONTEXT_GSM_T, dissect_gtpv2_mm_context_gsm_t}, /* 103, MM Context 8.38 GSM Key and Triplets */
|
|
|
|
{GTPV2_IE_MM_CONTEXT_UTMS_CQ, dissect_gtpv2_mm_context_utms_cq}, /* 104, MM Context 8.38 */
|
|
|
|
{GTPV2_IE_MM_CONTEXT_GSM_CQ, dissect_gtpv2_mm_context_gsm_cq}, /* 105, MM Context 8.38 */
|
|
|
|
{GTPV2_IE_MM_CONTEXT_UTMS_Q, dissect_gtpv2_mm_context_utms_q}, /* 106, MM Context 8.38 */
|
|
|
|
{GTPV2_IE_MM_CONTEXT_EPS_QQ, dissect_gtpv2_mm_context_eps_qq}, /* 107, MM Context 8.38 */
|
|
|
|
/*{GTPV2_IE_MM_CONTEXT_UTMS_QQ, dissect_gtp_v2_mm_context_utms_qq},*/ /* 108, MM Context 8.38 */
|
|
|
|
|
2011-01-04 18:41:25 +00:00
|
|
|
{GTPV2_IE_PDN_CONNECTION, dissect_gtpv2_PDN_conn}, /* 109, PDN Connection */
|
2011-01-03 17:22:02 +00:00
|
|
|
{GTPV2_IE_UE_TIME_ZONE, dissect_gtpv2_ue_time_zone}, /* 114, UE Time Zone */
|
|
|
|
{GTPV2_IE_COMPLETE_REQUEST_MSG, dissect_complete_request_msg}, /* 116, Complete Request message 8.46 */
|
|
|
|
|
|
|
|
{GTPV2_IE_GUTI, dissect_gtpv2_guti}, /* 117, GUTI 8.47 */
|
|
|
|
{GTPV2_IE_F_CONTAINER, dissect_gtpv2_F_container}, /* 118, Fully Qualified Container (F-Container) */
|
|
|
|
{GTPV2_IE_F_CAUSE, dissect_gtpv2_F_cause}, /* 119, Fully Qualified Cause (F-Cause) */
|
|
|
|
{GTPV2_IE_TARGET_ID, dissect_gtpv2_target_id}, /* 121, Target Identification */
|
|
|
|
{GTPV2_APN_RESTRICTION, dissect_gtpv2_apn_rest}, /* 127, APN Restriction */
|
2011-01-04 07:14:11 +00:00
|
|
|
{GTPV2_IE_SEL_MODE,dissect_gtpv2_selec_mode}, /* 128 Selection Mode */
|
|
|
|
#if 0
|
|
|
|
{GTPV2_IE_SOURCE_IDENT, dissect_gtpv2_source_ident}, /* 129, Source Identification 8.59 */
|
|
|
|
#endif
|
2010-06-01 22:22:09 +00:00
|
|
|
{GTPV2_BEARER_CONTROL_MODE,dissect_gtpv2_bearer_control_mode}, /* 130 Bearer Control Mode*/
|
|
|
|
{GTPV2_CNG_REP_ACT ,dissect_gtpv2_cng_rep_act}, /* 131 Change Reporting Action 8.61 */
|
|
|
|
{GTPV2_NODE_TYPE ,dissect_gtpv2_node_type}, /* 135 Node Type 8.65 */
|
|
|
|
{GTPV2_FQDN, dissect_gtpv2_fqdn}, /* 136 8.66 Fully Qualified Domain Name (FQDN) */
|
2010-06-28 15:31:41 +00:00
|
|
|
{GTPV2_TI, dissect_gtpv2_ti}, /* 137 8.68 Transaction Identifier (TI) */
|
2010-06-01 22:22:09 +00:00
|
|
|
/* 137-254 Spare. For future use. FFS */
|
2010-06-28 15:31:41 +00:00
|
|
|
{GTPV2_PRIVATE_EXT,dissect_gtpv2_private_ext},
|
2010-06-01 22:22:09 +00:00
|
|
|
|
2009-02-16 21:21:11 +00:00
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
{0, dissect_gtpv2_unknown}
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
2009-02-10 21:57:56 +00:00
|
|
|
static void
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ie_common(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, gint offset, guint8 message_type)
|
2009-02-10 21:57:56 +00:00
|
|
|
{
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree *ie_tree;
|
|
|
|
proto_item *ti;
|
|
|
|
tvbuff_t *ie_tvb;
|
|
|
|
guint8 type, instance;
|
|
|
|
guint16 length;
|
|
|
|
int i;
|
|
|
|
/*
|
|
|
|
* Octets 8 7 6 5 4 3 2 1
|
|
|
|
* 1 Type
|
|
|
|
* 2-3 Length = n
|
|
|
|
* 4 CR Spare Instance
|
|
|
|
* 5-(n+4) IE specific data
|
|
|
|
*/
|
|
|
|
while(offset < (gint)tvb_reported_length(tvb)){
|
|
|
|
/* Get the type and length */
|
|
|
|
type = tvb_get_guint8(tvb,offset);
|
|
|
|
length = tvb_get_ntohs(tvb, offset+1);
|
|
|
|
ti = proto_tree_add_text(tree, tvb, offset, 4 + length, "%s : ", val_to_str(type, gtpv2_element_type_vals, "Unknown"));
|
|
|
|
ie_tree = proto_item_add_subtree(ti, ett_gtpv2_ie);
|
|
|
|
/* Octet 1 */
|
|
|
|
proto_tree_add_item(ie_tree, hf_gtpv2_ie, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
/*Octet 2 - 3 */
|
|
|
|
proto_tree_add_item(ie_tree, hf_gtpv2_ie_len, tvb, offset, 2, FALSE);
|
|
|
|
offset+=2;
|
|
|
|
/* CR Spare Instance Octet 4*/
|
|
|
|
proto_tree_add_item(ie_tree, hf_gtpv2_cr, tvb, offset, 1, FALSE);
|
|
|
|
|
|
|
|
instance = tvb_get_guint8(tvb,offset)& 0x0f;
|
|
|
|
proto_tree_add_item(ie_tree, hf_gtpv2_instance, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
/* TODO: call IE dissector here */
|
|
|
|
if(type==GTPV2_IE_RESERVED){
|
|
|
|
/* Treat IE type zero specal as type zero is used to end the loop in the else branch */
|
|
|
|
proto_tree_add_text(ie_tree, tvb, offset, length, "IE type Zero is Reserved and should not be used");
|
|
|
|
}else{
|
|
|
|
i = -1;
|
|
|
|
/* Loop over the IE dissector list to se if we find an entry, the last entry will have ie_type=0 breaking the loop */
|
|
|
|
while (gtpv2_ies[++i].ie_type){
|
|
|
|
if (gtpv2_ies[i].ie_type == type)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/* Just give the IE dissector the IE */
|
2010-12-30 14:09:09 +00:00
|
|
|
ie_tvb = tvb_new_subset_remaining(tvb, offset);
|
2010-06-28 15:31:41 +00:00
|
|
|
(*gtpv2_ies[i].decode) (ie_tvb, pinfo , ie_tree, ti, length, message_type, instance);
|
2010-05-10 15:54:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
offset = offset + length;
|
|
|
|
}
|
2009-02-10 21:57:56 +00:00
|
|
|
}
|
2009-02-11 19:48:21 +00:00
|
|
|
|
2009-02-10 21:57:56 +00:00
|
|
|
static void
|
|
|
|
dissect_gtpv2(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
|
|
|
|
{
|
|
|
|
proto_tree *gtpv2_tree, *flags_tree;
|
|
|
|
proto_item *ti, *tf;
|
2010-05-10 15:54:57 +00:00
|
|
|
guint8 message_type, t_flag;
|
|
|
|
int offset = 0;
|
2009-02-10 21:57:56 +00:00
|
|
|
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/* Currently we get called from the GTP dissector no need to check the version */
|
2009-08-09 06:26:46 +00:00
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTPv2");
|
2009-08-09 07:36:13 +00:00
|
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
2009-02-10 21:57:56 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
/* message type is in octet 2 */
|
|
|
|
message_type = tvb_get_guint8(tvb,1);
|
2009-02-10 21:57:56 +00:00
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
2010-05-10 15:54:57 +00:00
|
|
|
col_add_str(pinfo->cinfo, COL_INFO, val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
|
2009-02-10 21:57:56 +00:00
|
|
|
|
2009-02-11 19:48:21 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(tree, proto_gtpv2, tvb, offset, -1, FALSE);
|
2009-02-11 19:48:21 +00:00
|
|
|
|
2009-02-10 21:57:56 +00:00
|
|
|
if (tree) {
|
2010-05-10 15:54:57 +00:00
|
|
|
ti = proto_tree_add_text(tree, tvb, offset, -1, "%s", val_to_str(message_type, gtpv2_message_type_vals, "Unknown"));
|
|
|
|
gtpv2_tree = proto_item_add_subtree(ti, ett_gtpv2);
|
|
|
|
|
|
|
|
/* Control Plane GTP uses a variable length header. Control Plane GTP header
|
|
|
|
* length shall be a multiple of 4 octets.
|
|
|
|
* Figure 5.1-1 illustrates the format of the GTPv2-C Header.
|
|
|
|
* Bits 8 7 6 5 4 3 2 1
|
2010-07-21 10:28:46 +00:00
|
|
|
* Octets 1 Version P T Spare Spare Spare
|
2010-05-10 15:54:57 +00:00
|
|
|
* 2 Message Type
|
|
|
|
* 3 Message Length (1st Octet)
|
|
|
|
* 4 Message Length (2nd Octet)
|
|
|
|
* m-k(m+3) If T flag is set to 1, then TEID shall be placed into octets 5-8.
|
|
|
|
* Otherwise, TEID field is not present at all.
|
2010-07-21 10:28:46 +00:00
|
|
|
* n-(n+2) Sequence Number
|
|
|
|
* (n+3) Spare
|
2010-05-10 15:54:57 +00:00
|
|
|
* Figure 5.1-1: General format of GTPv2 Header for Control Plane
|
|
|
|
*/
|
|
|
|
tf = proto_tree_add_item(gtpv2_tree, hf_gtpv2_flags, tvb, offset, 1, FALSE);
|
|
|
|
flags_tree = proto_item_add_subtree(tf, ett_gtpv2_flags);
|
|
|
|
|
|
|
|
/* Octet 1 */
|
|
|
|
t_flag = (tvb_get_guint8(tvb,offset) & 0x08)>>3;
|
|
|
|
proto_tree_add_item(flags_tree, hf_gtpv2_version, tvb, offset, 1, FALSE);
|
2010-07-21 10:28:46 +00:00
|
|
|
proto_tree_add_item(flags_tree, hf_gtpv2_p, tvb, offset, 1, FALSE);
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_tree_add_item(flags_tree, hf_gtpv2_t, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
|
|
|
|
/* Octet 2 */
|
|
|
|
proto_tree_add_item(gtpv2_tree, hf_gtpv2_message_type, tvb, offset, 1, FALSE);
|
|
|
|
offset++;
|
|
|
|
/* Octet 3 - 4 */
|
|
|
|
proto_tree_add_item(gtpv2_tree, hf_gtpv2_msg_length, tvb, offset, 2, FALSE);
|
|
|
|
offset+=2;
|
|
|
|
|
|
|
|
if(t_flag){
|
|
|
|
/* Tunnel Endpoint Identifier 4 octets */
|
|
|
|
proto_tree_add_item(gtpv2_tree, hf_gtpv2_teid, tvb, offset, 4, FALSE);
|
|
|
|
offset+=4;
|
|
|
|
}
|
2010-07-21 10:28:46 +00:00
|
|
|
/* Sequence Number 3 octets */
|
|
|
|
proto_tree_add_item(gtpv2_tree, hf_gtpv2_seq, tvb, offset, 3, FALSE);
|
|
|
|
offset+=3;
|
2010-05-10 15:54:57 +00:00
|
|
|
|
2010-07-21 10:28:46 +00:00
|
|
|
/* Spare 1 octet */
|
|
|
|
proto_tree_add_item(gtpv2_tree, hf_gtpv2_spare, tvb, offset, 1, FALSE);
|
|
|
|
offset+=1;
|
2010-05-10 15:54:57 +00:00
|
|
|
|
2010-06-28 15:31:41 +00:00
|
|
|
dissect_gtpv2_ie_common(tvb, pinfo, gtpv2_tree, offset, message_type);
|
2010-05-10 15:54:57 +00:00
|
|
|
}
|
2009-02-10 21:57:56 +00:00
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
void proto_register_gtpv2(void)
|
|
|
|
{
|
|
|
|
static hf_register_info hf_gtpv2[] = {
|
2011-01-04 18:41:25 +00:00
|
|
|
{ &hf_gtpv2_spare_half_octet,
|
|
|
|
{"Spare half octet", "gtpv2.spare_half_octet",
|
2011-01-03 17:22:02 +00:00
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_spare_bits,
|
2011-01-04 18:41:25 +00:00
|
|
|
{"Spare bit(s)", "gtpv2.spare_bits",
|
2011-01-03 17:22:02 +00:00
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL }
|
|
|
|
},
|
2010-05-10 15:54:57 +00:00
|
|
|
{&hf_gtpv2_flags,
|
|
|
|
{"Flags", "gtpv2.flags",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_version,
|
|
|
|
{"Version", "gtpv2.version",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
2010-07-21 10:28:46 +00:00
|
|
|
{&hf_gtpv2_p,
|
|
|
|
{"P", "gtpv2.p",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x10,
|
|
|
|
"If Piggybacked message is present or not", HFILL}
|
2011-01-04 18:41:25 +00:00
|
|
|
},
|
2010-05-10 15:54:57 +00:00
|
|
|
{ &hf_gtpv2_t,
|
|
|
|
{"T", "gtpv2.t",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x08,
|
|
|
|
"If TEID field is present or not", HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_message_type,
|
|
|
|
{"Message Type", "gtpv2.message_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_message_type_vals), 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_msg_length,
|
|
|
|
{"Message Length", "gtpv2.msg_lengt",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_teid,
|
|
|
|
{"Tunnel Endpoint Identifier", "gtpv2.teid",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
"TEID", HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_seq,
|
|
|
|
{"Sequence Number", "gtpv2.seq",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
"SEQ", HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_spare,
|
|
|
|
{"Spare", "gtpv2.spare",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_ie,
|
|
|
|
{"IE Type", "gtpv2.ie_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_element_type_vals), 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_ie_len,
|
|
|
|
{"IE Length", "gtpv2.ie_len",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
"length of the information element excluding the first four octets", HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cr,
|
|
|
|
{"CR flag", "gtpv2.cr",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_instance,
|
|
|
|
{"Instance", "gtpv2.instance",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_imsi,
|
|
|
|
{"IMSI(International Mobile Subscriber Identity number)", "gtpv2.imsi",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cause,
|
|
|
|
{"Cause", "gtpv2.cause",
|
2011-01-03 17:22:02 +00:00
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_vals_ext, 0x0,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_cause_cs,
|
2011-01-03 17:22:02 +00:00
|
|
|
{"CS (Cause Source)","gtpv2.cs",
|
2011-01-04 07:14:11 +00:00
|
|
|
FT_BOOLEAN, 8, TFS(>pv2_cause_cs), 0x01,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
2011-01-03 17:22:02 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cause_bce,
|
|
|
|
{"BCE (Bearer Context IE Error)","gtpv2.bce",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x02,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cause_pce,
|
|
|
|
{"PCE (PDN Connection IE Error)","gtpv2.pce",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x04,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cause_off_ie_t,
|
|
|
|
{"Type of the offending IE", "gtpv2.cause_off_ie_t",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_element_type_vals), 0x0,
|
|
|
|
NULL, HFILL}
|
2010-05-10 15:54:57 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_rec,
|
|
|
|
{"Restart Counter", "gtpv2.rec",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_apn,
|
|
|
|
{"APN (Access Point Name)", "gtpv2.apn",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_ambr_up,
|
|
|
|
{"AMBR Uplink (Aggregate Maximum Bit Rate for Uplink)", "gtpv2.ambr_up",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_ambr_down,
|
|
|
|
{"AMBR Downlink(Aggregate Maximum Bit Rate for Downlink)", "gtpv2.ambr_down",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_ebi,
|
|
|
|
{"EPS Bearer ID (EBI)", "gtpv2.ebi",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_ip_address_ipv4,
|
|
|
|
{"IP address IPv4", "gtpv2.ip_address_ipv4",
|
|
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_ip_address_ipv6,
|
|
|
|
{"IP address IPv6", "gtpv2.ip_address_ipv6",
|
|
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_mei,
|
|
|
|
{"MEI(Mobile Equipment Identity)", "gtpv2.mei",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
|
|
|
|
{&hf_gtpv2_daf,
|
|
|
|
{"DAF (Dual Address Bearer Flag)", "gtpv2.daf",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x80, "DAF", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_dtf,
|
|
|
|
{"DTF (Direct Tunnel Flag)","gtpv2.dtf",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x40, "DTF", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_hi,
|
|
|
|
{"HI (Handover Indication)", "gtpv2.hi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x20, "HI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_dfi,
|
|
|
|
{"DFI (Direct Forwarding Indication)", "gtpv2.dfi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x10, "DFI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_oi,
|
|
|
|
{"OI (Operation Indication)","gtpv2.oi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x08, "OI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_isrsi,
|
|
|
|
{"ISRSI (Idle mode Signalling Reduction Supported Indication)", "gtpv2.isrsi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x04, "ISRSI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_israi,
|
|
|
|
{"ISRAI (Idle mode Signalling Reduction Activation Indication)", "gtpv2.israi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x02, "ISRAI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_sgwci,
|
|
|
|
{"SGWCI (SGW Change Indication)", "gtpv2.sgwci",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x01, "SGWCI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_pt,
|
|
|
|
{"PT (Protocol Type)", "gtpv2.pt",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x08, "PT", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_tdi,
|
|
|
|
{"TDI (Teardown Indication)", "gtpv2.tdi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x04, "TDI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_si,
|
|
|
|
{"SI (Scope Indication)", "gtpv2.si",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x02, "SI", HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_msv,
|
|
|
|
{"MSV (MS Validated)", "gtpv2.msv",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x01, "MSV", HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_pdn_type,
|
|
|
|
{"PDN Type", "gtpv2.pdn_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_pdn_type_vals), 0x07,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_pdn_ipv4,
|
2011-01-05 16:46:40 +00:00
|
|
|
{"PDN Address and Prefix(IPv4)", "gtpv2.pdn_addr_and_prefix.ipv4",
|
2010-05-10 15:54:57 +00:00
|
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_pdn_ipv6_len,
|
|
|
|
{"IPv6 Prefix Length", "gtpv2.pdn_ipv6_len",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_pdn_ipv6,
|
2011-01-05 16:46:40 +00:00
|
|
|
{"PDN Address and Prefix(IPv6)", "gtpv2.pdn_addr_and_prefix.ipv6",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_pvi,
|
|
|
|
{"PVI (Pre-emption Vulnerability)", "gtpv2.bearer_qos_pvi",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x01,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_pl,
|
|
|
|
{"PL (Priority Level)", "gtpv2.bearer_qos_pl",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x3c,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_pci,
|
|
|
|
{"PCI (Pre-emption Capability)", "gtpv2.bearer_qos_pci",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x40,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_label_qci,
|
|
|
|
{"Label (QCI)", "gtpv2.bearer_qos_label_qci",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_mbr_up,
|
|
|
|
{"Maximum Bit Rate For Uplink", "gtpv2.bearer_qos_mbr_up",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_mbr_down,
|
|
|
|
{"Maximum Bit Rate For Downlink", "gtpv2.bearer_qos_mbr_down",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_gbr_up,
|
|
|
|
{"Guaranteed Bit Rate For Uplink", "gtpv2.bearer_qos_gbr_up",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_qos_gbr_down,
|
|
|
|
{"Guaranteed Bit Rate For Downlink", "gtpv2.bearer_qos_gbr_down",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_flow_qos_label_qci,
|
|
|
|
{"Label (QCI)", "gtpv2.flow_qos_label_qci",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_flow_qos_mbr_up,
|
|
|
|
{"Maximum Bit Rate For Uplink", "gtpv2.flow_qos_mbr_up",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_flow_qos_mbr_down,
|
|
|
|
{"Maximum Bit Rate For Downlink", "gtpv2.flow_qos_mbr_down",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_flow_qos_gbr_up,
|
|
|
|
{"Guaranteed Bit Rate For Uplink", "gtpv2.flow_qos_gbr_up",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_flow_qos_gbr_down,
|
|
|
|
{"Guaranteed Bit Rate For Downlink", "gtpv2.flow_qos_gbr_down",
|
|
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_rat_type,
|
|
|
|
{"RAT Type", "gtpv2.rat_type",
|
2011-01-03 17:22:02 +00:00
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_rat_type_vals_ext, 0x0,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_ecgi_flg,
|
|
|
|
{"ECGI Present Flag)", "gtpv2.uli_ecgi_flg",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_BOOLEAN, 8, NULL, GTPv2_ULI_ECGI_MASK,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_tai_flg,
|
|
|
|
{"TAI Present Flag)", "gtpv2.uli_tai_flg",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_BOOLEAN, 8, NULL, GTPv2_ULI_TAI_MASK,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_rai_flg,
|
|
|
|
{"RAI Present Flag)", "gtpv2.uli_rai_flg",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_BOOLEAN, 8, NULL, GTPv2_ULI_RAI_MASK,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_sai_flg,
|
|
|
|
{"SAI Present Flag)", "gtpv2.uli_sai_flg",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_BOOLEAN, 8, NULL, GTPv2_ULI_SAI_MASK,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_cgi_flg,
|
|
|
|
{"CGI Present Flag)", "gtpv2.uli_cgi_flg",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_BOOLEAN, 8, NULL, GTPv2_ULI_CGI_MASK,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_cgi_lac,
|
|
|
|
{"Location Area Code", "gtpv2.uli_cgi_lac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_cgi_ci,
|
|
|
|
{"Cell Identity", "gtpv2.uli_cgi_ci",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_sai_lac,
|
|
|
|
{"Location Area Code", "gtpv2.uli_sai_lac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_sai_sac,
|
|
|
|
{"Service Area Code", "gtpv2.uli_sai_sac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_rai_lac,
|
|
|
|
{"Location Area Code", "gtpv2.uli_rai_lac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_rai_rac,
|
|
|
|
{"Routing Area Code", "gtpv2.uli_rai_rac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_uli_tai_tac,
|
|
|
|
{"Tracking Area Code", "gtpv2.uli_tai_tac",
|
|
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_uli_ecgi_eci,
|
|
|
|
{"ECI (E-UTRAN Cell Identifier)", "gtpv2.uli_ecgi_eci",
|
2010-06-08 08:36:22 +00:00
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_uli_ecgi_eci_spare,
|
|
|
|
{"Spare", "gtpv2.uli_ecgi_eci_spare",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_f_teid_v4,
|
2011-01-04 07:14:11 +00:00
|
|
|
{"V4", "gtpv2.f_teid_v4",
|
|
|
|
FT_BOOLEAN, 8, TFS(>pv2_f_teid_v4_vals), 0x80,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_f_teid_v6,
|
2011-01-04 07:14:11 +00:00
|
|
|
{"V6", "gtpv2.f_teid_v6",
|
|
|
|
FT_BOOLEAN, 8, TFS(>pv2_f_teid_v6_vals), 0x40,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_f_teid_interface_type,
|
|
|
|
{"Interface Type", "gtpv2.f_teid_interface_type",
|
2011-01-03 17:22:02 +00:00
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_f_teid_interface_type_vals_ext, 0x1f,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL , HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_f_teid_gre_key,
|
|
|
|
{"TEID/GRE Key", "gtpv2.f_teid_gre_key",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL , HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_f_teid_ipv4,
|
|
|
|
{"F-TEID IPv4", "gtpv2.f_teid_ipv4",
|
|
|
|
FT_IPv4, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_f_teid_ipv6,
|
|
|
|
{"F-TEID IPv6", "gtpv2.f_teid_ipv6",
|
|
|
|
FT_IPv6, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2011-01-05 16:46:40 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_tmsi,
|
|
|
|
{"TMSI", "gtpv2.tmsi",
|
|
|
|
FT_UINT32, BASE_HEX, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2010-12-30 14:09:09 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_hsgw_addr_f_len,
|
|
|
|
{"HSGW Address for forwarding Length", "gtpv2.hsgw_addr_f_len",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2010-05-10 15:54:57 +00:00
|
|
|
},
|
|
|
|
{&hf_gtpv2_delay_value,
|
|
|
|
{"Delay Value (In integer multiples of 50 milliseconds or zero)", "gtpv2.delay_value",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_charging_id,
|
|
|
|
{"Charging id", "gtpv2.charging_id",
|
|
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_charging_characteristic,
|
|
|
|
{"Charging Characteristic", "gtpv2.charging_characteristic",
|
2011-01-04 07:14:11 +00:00
|
|
|
FT_UINT16, BASE_HEX, NULL, 0xffff,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
2011-01-04 07:14:11 +00:00
|
|
|
{&hf_gtpv2_bearer_flag_ppc,
|
|
|
|
{"PPC (Prohibit Payload Compression)", "gtpv2.bearer_flag.ppc",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x01,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_flag_vb,
|
|
|
|
{"VB (Voice Bearer)", "gtpv2.bearer_flag.vb",
|
|
|
|
FT_BOOLEAN, 8, NULL, 0x02,
|
2010-05-10 15:54:57 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_pti,
|
|
|
|
{"Procedure Transaction Id", "gtpv2.pti",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
2011-01-03 17:22:02 +00:00
|
|
|
/* MM Context */
|
|
|
|
{ &hf_gtpv2_mm_context_sm,
|
|
|
|
{"Security Mode", "gtpv2.mm_context_sm",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_security_mode), 0xe0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_nhi,
|
|
|
|
{"NHI(Next Hop Indicator)", "gtpv2.mm_context_nhi",
|
|
|
|
FT_BOOLEAN, 8, TFS(>pv2_nhi_vals), 0x10,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_drxi,
|
|
|
|
{"DRXI", "gtpv2.mm_context_drxi",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x08,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_cksn,
|
|
|
|
{"CKSN", "gtpv2.mm_context_cksn",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_cksn_ksi,
|
|
|
|
{"CKSN/KSI", "gtpv2.mm_context_cksn_ksi",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_ksi_a,
|
|
|
|
{"KSI_asme", "gtpv2.mm_context_ksi_a",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_nr_tri,
|
|
|
|
{"Number of Triplet", "gtpv2.mm_context_nr_tri",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_unipa,
|
|
|
|
{"Used NAS integrity protection algorithm", "gtpv2.mm_context_unipa",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_unipa_vals), 0x70,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
|
|
|
|
{ &hf_gtpv2_mm_context_unc,
|
|
|
|
{"Used NAS Cipher", "gtpv2.mm_context_unc",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_mm_context_unc_vals), 0x0f,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_nas_dl_cnt,
|
|
|
|
{"NAS Downlink Count", "gtpv2.mm_context_nas_dl_cnt",
|
|
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_nas_ul_cnt,
|
|
|
|
{"NAS Uplink Count", "gtpv2.mm_context_nas_ul_cnt",
|
|
|
|
FT_UINT24, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
|
|
|
|
{ &hf_gtpv2_mm_context_ksi,
|
|
|
|
{"KSI", "gtpv2.mm_context_ksi",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mm_context_nr_qui,
|
|
|
|
{"Number of Quintuplets", "gtpv2.mm_context_nr_qui",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
|
|
|
|
{ &hf_gtpv2_mm_context_nr_qua,
|
|
|
|
{"Number of Quadruplet", "gtpv2.mm_context_nr_qua",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x1c,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
|
|
|
|
{&hf_gtpv2_ue_time_zone,
|
2010-05-10 15:54:57 +00:00
|
|
|
{"Time Zone","gtpv2.ue_time_zone",
|
|
|
|
FT_UINT8, BASE_DEC, NULL,0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_ue_time_zone_dst,
|
|
|
|
{"Daylight Saving Time","gtpv2.ue_time_zone_dst",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_ue_time_zone_dst_vals),0x03,
|
|
|
|
NULL, HFILL}
|
2010-12-30 14:09:09 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_complete_req_msg_type,
|
|
|
|
{"Complete Request Message Type","gtpv2.complete_req_msg_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_complete_req_msg_type_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_mme_grp_id,
|
|
|
|
{"MME Group ID","gtpv2.mme_grp_id",
|
|
|
|
FT_UINT16, BASE_DEC, NULL,0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_mme_code,
|
|
|
|
{"MME Code","gtpv2.mme_code",
|
|
|
|
FT_UINT8, BASE_DEC, NULL,0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_m_tmsi,
|
|
|
|
{"M-TMSI","gtpv2.m_tmsi",
|
|
|
|
FT_BYTES, BASE_NONE, NULL,0x0,
|
|
|
|
NULL, HFILL}
|
2010-06-28 15:31:41 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_container_type,
|
|
|
|
{"Container Type","gtpv2.container_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_container_type_vals),0x0f,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cause_type,
|
|
|
|
{"Cause Type","gtpv2.cause_type",
|
2010-07-21 12:29:32 +00:00
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_cause_type_vals_ext,0x0f,
|
2010-06-28 15:31:41 +00:00
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_CauseRadioNetwork,
|
|
|
|
{"Radio Network Layer Cause","gtpv2.CauseRadioNetwork",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(&s1ap_CauseRadioNetwork_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_CauseTransport,
|
|
|
|
{"Transport Layer Cause","gtpv2.CauseTransport",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(&s1ap_CauseTransport_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_CauseNas,
|
|
|
|
{"NAS Cause","gtpv2.CauseNas",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(&s1ap_CauseNas_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_CauseMisc,
|
|
|
|
{"Miscellaneous Cause","gtpv2.CauseMisc",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(&s1ap_CauseMisc_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_target_type,
|
|
|
|
{"Target Type","gtpv2.target_type",
|
2010-07-21 12:29:32 +00:00
|
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >pv2_target_type_vals_ext,0x0,
|
2010-06-28 15:31:41 +00:00
|
|
|
NULL, HFILL}
|
2010-12-30 14:09:09 +00:00
|
|
|
},
|
|
|
|
{&hf_gtpv2_macro_enodeb_id,
|
|
|
|
{"Macro eNodeB ID","gtpv2.macro_enodeb_id",
|
|
|
|
FT_UINT24, BASE_HEX, NULL,0x0fffff,
|
|
|
|
NULL, HFILL}
|
2010-06-28 15:31:41 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_CauseProtocol,
|
|
|
|
{"Protocol Cause","gtpv2.CauseProtocol",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(&s1ap_CauseProtocol_vals),0x0,
|
|
|
|
NULL, HFILL}
|
2010-05-10 15:54:57 +00:00
|
|
|
},
|
|
|
|
{&hf_gtpv2_apn_rest,
|
|
|
|
{"APN Restriction", "gtpv2.apn_rest",
|
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_selec_mode,
|
|
|
|
{"Selection Mode","gtpv2.selec_mode",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_selec_mode_vals),0x03,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{&hf_gtpv2_bearer_control_mode,
|
|
|
|
{"Bearer Control Mode","gtpv2.bearer_control_mode",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_bearer_control_mode_vals),0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_cng_rep_act,
|
|
|
|
{"Change Reporting Action", "gtpv2.cng_rep_act",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_cng_rep_act_vals), 0x0,
|
|
|
|
NULL, HFILL}
|
|
|
|
},
|
|
|
|
{ &hf_gtpv2_node_type,
|
|
|
|
{"Node Type", "gtpv2.node_type",
|
|
|
|
FT_UINT8, BASE_DEC, VALS(gtpv2_node_type_vals), 0x0,
|
|
|
|
NULL, HFILL}
|
2010-06-01 22:22:09 +00:00
|
|
|
},
|
2010-06-08 08:36:22 +00:00
|
|
|
{ &hf_gtpv2_enterprise_id,
|
2010-06-01 22:22:09 +00:00
|
|
|
{"Enterprise ID", "gtpv2.enterprise_id",
|
2010-09-17 04:51:21 +00:00
|
|
|
FT_UINT16, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x0,
|
2010-06-01 22:22:09 +00:00
|
|
|
NULL, HFILL}
|
2010-05-10 15:54:57 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_address_digits,
|
|
|
|
{ "Address digits", "gtpv2.address_digits",
|
|
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
|
|
NULL, HFILL }
|
2010-06-28 15:31:41 +00:00
|
|
|
},
|
|
|
|
{ &hf_gtpv2_ti,
|
|
|
|
{"Transaction Identifier", "gtpv2.ti",
|
|
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
|
|
NULL, HFILL}
|
2010-05-10 15:54:57 +00:00
|
|
|
},
|
|
|
|
|
|
|
|
};
|
2009-02-10 21:57:56 +00:00
|
|
|
|
|
|
|
static gint *ett_gtpv2_array[] = {
|
2010-05-10 15:54:57 +00:00
|
|
|
&ett_gtpv2,
|
|
|
|
&ett_gtpv2_flags,
|
|
|
|
&ett_gtpv2_ie,
|
2011-01-03 22:13:11 +00:00
|
|
|
&ett_gtpv2_uli_flags,
|
|
|
|
&ett_gtpv2_uli_field,
|
2010-05-10 15:54:57 +00:00
|
|
|
&ett_gtpv2_bearer_ctx,
|
2010-06-28 15:31:41 +00:00
|
|
|
&ett_gtpv2_PDN_conn,
|
2011-01-03 17:22:02 +00:00
|
|
|
&ett_gtpv2_mm_context_flag,
|
2009-02-10 21:57:56 +00:00
|
|
|
};
|
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
proto_gtpv2 = proto_register_protocol("GPRS Tunneling Protocol V2", "GTPv2", "gtpv2");
|
2009-02-10 21:57:56 +00:00
|
|
|
proto_register_field_array(proto_gtpv2, hf_gtpv2, array_length(hf_gtpv2));
|
|
|
|
proto_register_subtree_array(ett_gtpv2_array, array_length(ett_gtpv2_array));
|
2010-06-08 08:36:22 +00:00
|
|
|
/* AVP Code: 22 3GPP-User-Location-Info */
|
2010-12-20 05:35:29 +00:00
|
|
|
dissector_add_uint("diameter.3gpp", 22, new_create_dissector_handle(dissect_diameter_3gpp_uli, proto_gtpv2));
|
2009-02-10 21:57:56 +00:00
|
|
|
|
2010-05-10 15:54:57 +00:00
|
|
|
register_dissector("gtpv2", dissect_gtpv2, proto_gtpv2);
|
2009-02-10 21:57:56 +00:00
|
|
|
}
|
|
|
|
|
2010-12-30 14:09:09 +00:00
|
|
|
void
|
|
|
|
proto_reg_handoff_gtpv2(void)
|
|
|
|
{
|
|
|
|
nas_eps_handle = find_dissector("nas-eps");
|
|
|
|
}
|