forked from osmocom/wireshark
346bda4238
Added these new filters to enhance mcc/mnc filtering in GTP protocol. Change-Id: I595b5fde4fa358886fbe5c58f6ecab496d9ef08c Reviewed-on: https://code.wireshark.org/review/18444 Reviewed-by: Jaap Keuter <jaap.keuter@xs4all.nl> Petri-Dish: Jaap Keuter <jaap.keuter@xs4all.nl> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Reviewed-by: Michael Mann <mmann78@netscape.net>
10131 lines
424 KiB
C
10131 lines
424 KiB
C
/* packet-gtp.c
|
|
*
|
|
* Routines for GTP dissection
|
|
* Copyright 2001, Michal Melerowicz <michal.melerowicz@nokia.com>
|
|
* Nicolas Balkota <balkota@mac.com>
|
|
*
|
|
* Updates and corrections:
|
|
* Copyright 2006 - 2009, Anders Broman <anders.broman@ericsson.com>
|
|
*
|
|
* Added Bearer control mode dissection:
|
|
* Copyright 2011, Grzegorz Szczytowski <grzegorz.szczytowski@gmail.com>
|
|
*
|
|
* Updates and corrections:
|
|
* Copyright 2011-2013, Anders Broman <anders.broman@ericsson.com>
|
|
*
|
|
* PDCP PDU number extension header support added by Martin Isaksson <martin.isaksson@ericsson.com>
|
|
*
|
|
* Control Plane Request-Response tracking code Largely based on similar routines in
|
|
* packet-ldap.c by Ronnie Sahlberg
|
|
* Added by Kari Tiirikainen <kari.tiirikainen@nsn.com>
|
|
*
|
|
* Wireshark - Network traffic analyzer
|
|
* By Gerald Combs <gerald@wireshark.org>
|
|
* Copyright 1998 Gerald Combs
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* GTP v0: 3GPP TS 09.60
|
|
*
|
|
* http://www.3gpp.org/ftp/Specs/html-info/0960.htm
|
|
*
|
|
* GTP v1: 3GPP TS 29.060
|
|
*
|
|
* http://www.3gpp.org/ftp/Specs/html-info/29060.htm
|
|
*
|
|
* GTP': 3GPP TS 32.295
|
|
*
|
|
* http://www.3gpp.org/ftp/Specs/html-info/32295.htm
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <epan/packet.h>
|
|
#include <epan/conversation.h>
|
|
#include <epan/prefs.h>
|
|
#include <epan/expert.h>
|
|
#include <epan/sminmpec.h>
|
|
#include <epan/asn1.h>
|
|
#include <epan/tap.h>
|
|
#include <epan/srt_table.h>
|
|
#include <epan/to_str.h>
|
|
#include "packet-ppp.h"
|
|
#include "packet-radius.h"
|
|
#include "packet-gsm_a_common.h"
|
|
#include "packet-gsm_map.h"
|
|
#include "packet-gprscdr.h"
|
|
#include "packet-bssgp.h"
|
|
#include "packet-e212.h"
|
|
#include "packet-gtp.h"
|
|
#include "packet-ranap.h"
|
|
|
|
void proto_register_gtp(void);
|
|
void proto_reg_handoff_gtp(void);
|
|
|
|
static dissector_table_t ppp_subdissector_table;
|
|
static dissector_table_t gtp_priv_ext_dissector_table;
|
|
static dissector_table_t gtp_cdr_fmt_dissector_table;
|
|
|
|
#define GTPv0_PORT 3386
|
|
#define GTPv1C_PORT 2123 /* 3G Control PDU */
|
|
#define GTPv1U_PORT 2152 /* 3G T-PDU */
|
|
|
|
#define GTPv0_HDR_LENGTH 20
|
|
#define GTPv1_HDR_LENGTH 12
|
|
#define GTP_PRIME_HDR_LENGTH 6
|
|
|
|
/* to check compliance with ETSI */
|
|
#define GTP_MANDATORY 1
|
|
#define GTP_OPTIONAL 2
|
|
#define GTP_CONDITIONAL 4
|
|
|
|
#define GTP_TPDU_AS_NONE -1
|
|
#define GTP_TPDU_AS_TPDU 0
|
|
#define GTP_TPDU_AS_SYNC 2
|
|
|
|
static gboolean g_gtp_over_tcp = TRUE;
|
|
gboolean g_gtp_session = FALSE;
|
|
|
|
static guint g_gtpv0_port = GTPv0_PORT;
|
|
static guint g_gtpv1c_port = GTPv1C_PORT;
|
|
static guint g_gtpv1u_port = GTPv1U_PORT;
|
|
|
|
static int proto_gtp = -1;
|
|
static int proto_gtpprime = -1;
|
|
|
|
/*KTi*/
|
|
static int hf_gtp_ie_id = -1;
|
|
static int hf_gtp_response_in = -1;
|
|
static int hf_gtp_response_to = -1;
|
|
static int hf_gtp_time = -1;
|
|
static int hf_gtp_apn = -1;
|
|
static int hf_gtp_cause = -1;
|
|
static int hf_gtp_chrg_char = -1;
|
|
static int hf_gtp_chrg_char_s = -1;
|
|
static int hf_gtp_chrg_char_n = -1;
|
|
static int hf_gtp_chrg_char_p = -1;
|
|
static int hf_gtp_chrg_char_f = -1;
|
|
static int hf_gtp_chrg_char_h = -1;
|
|
static int hf_gtp_chrg_char_r = -1;
|
|
static int hf_gtp_chrg_id = -1;
|
|
static int hf_gtp_chrg_ipv4 = -1;
|
|
static int hf_gtp_chrg_ipv6 = -1;
|
|
static int hf_gtp_ext_flow_label = -1;
|
|
static int hf_gtp_ext_id = -1;
|
|
static int hf_gtp_ext_val = -1;
|
|
static int hf_gtp_ext_hdr = -1;
|
|
static int hf_gtp_ext_hdr_next = -1;
|
|
static int hf_gtp_ext_hdr_length = -1;
|
|
static int hf_gtp_ext_hdr_pdcpsn = -1;
|
|
static int hf_gtp_ext_hdr_udp_port = -1;
|
|
static int hf_gtp_flags = -1;
|
|
static int hf_gtp_flags_ver = -1;
|
|
static int hf_gtp_prime_flags_ver = -1;
|
|
static int hf_gtp_flags_pt = -1;
|
|
static int hf_gtp_flags_spare1 = -1;
|
|
static int hf_gtp_flags_hdr_length = -1;
|
|
static int hf_gtp_flags_snn = -1;
|
|
static int hf_gtp_flags_spare2 = -1;
|
|
static int hf_gtp_flags_e = -1;
|
|
static int hf_gtp_flags_s = -1;
|
|
static int hf_gtp_flags_pn = -1;
|
|
static int hf_gtp_flow_ii = -1;
|
|
static int hf_gtp_flow_label = -1;
|
|
static int hf_gtp_flow_sig = -1;
|
|
static int hf_gtp_gsn_addr_len = -1;
|
|
static int hf_gtp_gsn_addr_type = -1;
|
|
static int hf_gtp_gsn_ipv4 = -1;
|
|
static int hf_gtp_gsn_ipv6 = -1;
|
|
static int hf_gtp_length = -1;
|
|
static int hf_gtp_map_cause = -1;
|
|
static int hf_gtp_message_type = -1;
|
|
static int hf_gtp_ms_reason = -1;
|
|
static int hf_gtp_ms_valid = -1;
|
|
static int hf_gtp_npdu_number = -1;
|
|
static int hf_gtp_node_ipv4 = -1;
|
|
static int hf_gtp_node_ipv6 = -1;
|
|
static int hf_gtp_nsapi = -1;
|
|
static int hf_gtp_ptmsi = -1;
|
|
static int hf_gtp_ptmsi_sig = -1;
|
|
static int hf_gtp_qos_version = -1;
|
|
static int hf_gtp_qos_spare1 = -1;
|
|
static int hf_gtp_qos_delay = -1;
|
|
static int hf_gtp_qos_mean = -1;
|
|
static int hf_gtp_qos_peak = -1;
|
|
static int hf_gtp_qos_spare2 = -1;
|
|
static int hf_gtp_qos_precedence = -1;
|
|
static int hf_gtp_qos_spare3 = -1;
|
|
static int hf_gtp_qos_reliability = -1;
|
|
static int hf_gtp_qos_al_ret_priority = -1;
|
|
static int hf_gtp_qos_traf_class = -1;
|
|
static int hf_gtp_qos_del_order = -1;
|
|
static int hf_gtp_qos_del_err_sdu = -1;
|
|
static int hf_gtp_qos_max_sdu_size = -1;
|
|
static int hf_gtp_qos_max_ul = -1;
|
|
static int hf_gtp_qos_max_dl = -1;
|
|
static int hf_gtp_qos_res_ber = -1;
|
|
static int hf_gtp_qos_sdu_err_ratio = -1;
|
|
static int hf_gtp_qos_trans_delay = -1;
|
|
static int hf_gtp_qos_traf_handl_prio = -1;
|
|
static int hf_gtp_qos_guar_ul = -1;
|
|
static int hf_gtp_qos_guar_dl = -1;
|
|
static int hf_gtp_qos_src_stat_desc = -1;
|
|
static int hf_gtp_qos_sig_ind = -1;
|
|
static int hf_gtp_qos_arp = -1;
|
|
static int hf_gtp_qos_arp_pvi = -1;
|
|
static int hf_gtp_qos_arp_pl = -1;
|
|
static int hf_gtp_qos_arp_pci = -1;
|
|
static int hf_gtp_qos_qci = -1;
|
|
static int hf_gtp_qos_ul_mbr = -1;
|
|
static int hf_gtp_qos_dl_mbr = -1;
|
|
static int hf_gtp_qos_ul_gbr = -1;
|
|
static int hf_gtp_qos_dl_gbr = -1;
|
|
static int hf_gtp_qos_ul_apn_ambr = -1;
|
|
static int hf_gtp_qos_dl_apn_ambr = -1;
|
|
static int hf_gtp_pkt_flow_id = -1;
|
|
static int hf_gtp_rab_gtpu_dn = -1;
|
|
static int hf_gtp_rab_gtpu_up = -1;
|
|
static int hf_gtp_rab_pdu_dn = -1;
|
|
static int hf_gtp_rab_pdu_up = -1;
|
|
static int hf_gtp_rai_rac = -1;
|
|
static int hf_gtp_rai_lac = -1;
|
|
static int hf_gtp_tac = -1;
|
|
static int hf_gtp_eci = -1;
|
|
static int hf_gtp_ranap_cause = -1;
|
|
static int hf_gtp_recovery = -1;
|
|
static int hf_gtp_reorder = -1;
|
|
static int hf_gtp_rnc_ipv4 = -1;
|
|
static int hf_gtp_rnc_ipv6 = -1;
|
|
static int hf_gtp_rp = -1;
|
|
static int hf_gtp_rp_nsapi = -1;
|
|
static int hf_gtp_rp_sms = -1;
|
|
static int hf_gtp_rp_spare = -1;
|
|
static int hf_gtp_sel_mode = -1;
|
|
static int hf_gtp_seq_number = -1;
|
|
static int hf_gtp_session = -1;
|
|
static int hf_gtp_sndcp_number = -1;
|
|
static int hf_gtp_tear_ind = -1;
|
|
static int hf_gtp_teid = -1;
|
|
static int hf_gtp_teid_cp = -1;
|
|
static int hf_gtp_ulink_teid_cp = -1;
|
|
static int hf_gtp_teid_data = -1;
|
|
static int hf_gtp_ulink_teid_data = -1;
|
|
static int hf_gtp_teid_ii = -1;
|
|
static int hf_gtp_tid = -1;
|
|
static int hf_gtp_tlli = -1;
|
|
static int hf_gtp_tr_comm = -1;
|
|
static int hf_gtp_trace_ref = -1;
|
|
static int hf_gtp_trace_type = -1;
|
|
static int hf_gtp_user_addr_pdp_org = -1;
|
|
static int hf_gtp_user_addr_pdp_type = -1;
|
|
static int hf_gtp_user_ipv4 = -1;
|
|
static int hf_gtp_user_ipv6 = -1;
|
|
static int hf_gtp_security_mode = -1;
|
|
static int hf_gtp_no_of_vectors = -1;
|
|
static int hf_gtp_cipher_algorithm = -1;
|
|
static int hf_gtp_cksn_ksi = -1;
|
|
static int hf_gtp_cksn = -1;
|
|
static int hf_gtp_ksi = -1;
|
|
static int hf_gtp_ext_length = -1;
|
|
static int hf_gtp_utran_field = -1;
|
|
static int hf_gtp_ext_apn_res = -1;
|
|
static int hf_gtp_ext_rat_type = -1;
|
|
static int hf_gtp_ext_geo_loc_type = -1;
|
|
static int hf_gtp_ext_sac = -1;
|
|
static int hf_gtp_ext_imeisv = -1;
|
|
static int hf_gtp_target_rnc_id = -1;
|
|
static int hf_gtp_target_ext_rnc_id = -1;
|
|
static int hf_gtp_bssgp_cause = -1;
|
|
static int hf_gtp_bssgp_ra_discriminator = -1;
|
|
static int hf_gtp_sapi = -1;
|
|
static int hf_gtp_xid_par_len = -1;
|
|
static int hf_gtp_rep_act_type = -1;
|
|
static int hf_gtp_earp_pvi = -1;
|
|
static int hf_gtp_earp_pl = -1;
|
|
static int hf_gtp_earp_pci = -1;
|
|
static int hf_gtp_cdr_app = -1;
|
|
static int hf_gtp_cdr_rel = -1;
|
|
static int hf_gtp_cdr_ver = -1;
|
|
static int hf_gtp_cdr_length = -1;
|
|
static int hf_gtp_cdr_context = -1;
|
|
static int hf_gtp_cmn_flg_ppc = -1;
|
|
static int hf_gtp_cmn_flg_mbs_srv_type = -1;
|
|
static int hf_gtp_cmn_flg_mbs_ran_pcd_rdy = -1;
|
|
static int hf_gtp_cmn_flg_mbs_cnt_inf = -1;
|
|
static int hf_gtp_cmn_flg_nrsn = -1;
|
|
static int hf_gtp_cmn_flg_no_qos_neg = -1;
|
|
static int hf_gtp_cmn_flg_upgrd_qos_sup = -1;
|
|
static int hf_gtp_cmn_flg_dual_addr_bearer_flg = -1;
|
|
static int hf_gtp_tmgi = -1;
|
|
static int hf_gtp_mbms_ses_dur_days = -1;
|
|
static int hf_gtp_mbms_ses_dur_s = -1;
|
|
static int hf_gtp_no_of_mbms_sa_codes = -1;
|
|
static int hf_gtp_mbms_sa_code = -1;
|
|
static int hf_gtp_mbs_2g_3g_ind = -1;
|
|
static int hf_gtp_time_2_dta_tr = -1;
|
|
static int hf_gtp_ext_ei = -1;
|
|
static int hf_gtp_ext_gcsi = -1;
|
|
static int hf_gtp_ext_dti = -1;
|
|
static int hf_gtp_ra_prio_lcs = -1;
|
|
static int hf_gtp_bcm = -1;
|
|
static int hf_gtp_fqdn = -1;
|
|
static int hf_gtp_rim_routing_addr = -1;
|
|
static int hf_gtp_mbms_flow_id = -1;
|
|
static int hf_gtp_mbms_dist_indic = -1;
|
|
static int hf_gtp_ext_apn_ambr_ul = -1;
|
|
static int hf_gtp_ext_apn_ambr_dl = -1;
|
|
static int hf_gtp_ext_sub_ue_ambr_ul = -1;
|
|
static int hf_gtp_ext_sub_ue_ambr_dl = -1;
|
|
static int hf_gtp_ext_auth_ue_ambr_ul = -1;
|
|
static int hf_gtp_ext_auth_ue_ambr_dl = -1;
|
|
static int hf_gtp_ext_auth_apn_ambr_ul = -1;
|
|
static int hf_gtp_ext_auth_apn_ambr_dl = -1;
|
|
static int hf_gtp_ext_ggsn_back_off_time_units = -1;
|
|
static int hf_gtp_ext_ggsn_back_off_timer = -1;
|
|
static int hf_gtp_higher_br_16mb_flg = -1;
|
|
static int hf_gtp_max_mbr_apn_ambr_ul = -1;
|
|
static int hf_gtp_max_mbr_apn_ambr_dl = -1;
|
|
static int hf_gtp_ext_enb_type = -1;
|
|
static int hf_gtp_macro_enodeb_id = -1;
|
|
static int hf_gtp_home_enodeb_id = -1;
|
|
static int hf_gtp_dummy_octets = -1;
|
|
|
|
/* Generated from convert_proto_tree_add_text.pl */
|
|
static int hf_gtp_ggsn_2_address_ipv4 = -1;
|
|
static int hf_gtp_rfsp_index = -1;
|
|
static int hf_gtp_quintuplet_ciphering_key = -1;
|
|
static int hf_gtp_kc = -1;
|
|
static int hf_gtp_rand = -1;
|
|
static int hf_gtp_pdp_context_identifier = -1;
|
|
static int hf_gtp_receive_n_pdu_number = -1;
|
|
static int hf_gtp_container_length = -1;
|
|
static int hf_gtp_quintuplets_length = -1;
|
|
static int hf_gtp_auth = -1;
|
|
static int hf_gtp_tft_length = -1;
|
|
static int hf_gtp_ggsn_address_for_control_plane = -1;
|
|
static int hf_gtp_integrity_key_ik = -1;
|
|
static int hf_gtp_gsn_address_information_element_length = -1;
|
|
static int hf_gtp_reordering_required = -1;
|
|
static int hf_gtp_sres = -1;
|
|
static int hf_gtp_data_record_format = -1;
|
|
static int hf_gtp_timezone = -1;
|
|
static int hf_gtp_timezone_dst = -1;
|
|
static int hf_gtp_authentication_length = -1;
|
|
static int hf_gtp_send_n_pdu_number = -1;
|
|
static int hf_gtp_sequence_number_up = -1;
|
|
static int hf_gtp_pdp_address_length = -1;
|
|
static int hf_gtp_transaction_identifier = -1;
|
|
static int hf_gtp_xres_length = -1;
|
|
static int hf_gtp_ggsn_address_length = -1;
|
|
static int hf_gtp_apn_length = -1;
|
|
static int hf_gtp_sequence_number_down = -1;
|
|
static int hf_gtp_ggsn_2_address_ipv6 = -1;
|
|
static int hf_gtp_pdp_address_ipv4 = -1;
|
|
static int hf_gtp_activity_status_indicator = -1;
|
|
static int hf_gtp_pdp_type = -1;
|
|
static int hf_gtp_ggsn_address_for_user_traffic = -1;
|
|
static int hf_gtp_quintuplet_integrity_key = -1;
|
|
static int hf_gtp_pdp_address_ipv6 = -1;
|
|
static int hf_gtp_rab_setup_length = -1;
|
|
static int hf_gtp_number_of_data_records = -1;
|
|
static int hf_gtp_ciphering_key_kc = -1;
|
|
static int hf_gtp_pdp_cntxt_sapi = -1;
|
|
static int hf_gtp_xres = -1;
|
|
static int hf_gtp_pdp_organization = -1;
|
|
static int hf_gtp_node_address_length = -1;
|
|
static int hf_gtp_ggsn_2_address_length = -1;
|
|
static int hf_gtp_gsn_address_length = -1;
|
|
static int hf_gtp_vplmn_address_allowed = -1;
|
|
static int hf_gtp_uplink_flow_label_signalling = -1;
|
|
static int hf_gtp_extended_end_user_address = -1;
|
|
static int hf_gtp_ciphering_key_ck = -1;
|
|
static int hf_gtp_fqdn_length = -1;
|
|
static int hf_gtp_seq_num_released = -1;
|
|
static int hf_gtp_seq_num_canceled = -1;
|
|
static int hf_gtp_requests_responded = -1;
|
|
static int hf_gtp_hyphen_separator = -1;
|
|
static int hf_gtp_ms_network_cap_content_len = -1;
|
|
static int hf_gtp_iei = -1;
|
|
static int hf_gtp_iei_mobile_id_len = -1;
|
|
static int hf_gtp_qos_umts_length = -1;
|
|
static int hf_gtp_num_ext_hdr_types = -1;
|
|
static int hf_gtp_ext_hdr_type = -1;
|
|
static int hf_gtp_tpdu_data = -1;
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_gtp = -1;
|
|
static gint ett_gtp_flags = -1;
|
|
static gint ett_gtp_ext = -1;
|
|
static gint ett_gtp_ext_hdr = -1;
|
|
static gint ett_gtp_qos = -1;
|
|
static gint ett_gtp_qos_arp = -1;
|
|
static gint ett_gtp_flow_ii = -1;
|
|
static gint ett_gtp_rp = -1;
|
|
static gint ett_gtp_pkt_flow_id = -1;
|
|
static gint ett_gtp_trip = -1;
|
|
static gint ett_gtp_quint = -1;
|
|
static gint ett_gtp_proto = -1;
|
|
static gint ett_gtp_gsn_addr = -1;
|
|
static gint ett_gtp_tft = -1;
|
|
static gint ett_gtp_rab_setup = -1;
|
|
static gint ett_gtp_hdr_list = -1;
|
|
static gint ett_gtp_node_addr = -1;
|
|
static gint ett_gtp_rel_pack = -1;
|
|
static gint ett_gtp_can_pack = -1;
|
|
static gint ett_gtp_data_resp = -1;
|
|
static gint ett_gtp_drx = -1;
|
|
static gint ett_gtp_net_cap = -1;
|
|
static gint ett_gtp_tmgi = -1;
|
|
static gint ett_gtp_cdr_ver = -1;
|
|
static gint ett_gtp_cdr_dr = -1;
|
|
static gint ett_gtp_uli_rai = -1;
|
|
static gint ett_gtp_mm_cntxt = -1;
|
|
static gint ett_gtp_utran_cont = -1;
|
|
|
|
static expert_field ei_gtp_ext_hdr_pdcpsn = EI_INIT;
|
|
static expert_field ei_gtp_ext_length_mal = EI_INIT;
|
|
static expert_field ei_gtp_ext_length_warn = EI_INIT;
|
|
static expert_field ei_gtp_undecoded = EI_INIT;
|
|
static expert_field ei_gtp_message_not_found = EI_INIT;
|
|
static expert_field ei_gtp_field_not_present = EI_INIT;
|
|
static expert_field ei_gtp_wrong_next_field = EI_INIT;
|
|
static expert_field ei_gtp_field_not_support_in_version = EI_INIT;
|
|
static expert_field ei_gtp_guaranteed_bit_rate_value = EI_INIT;
|
|
static expert_field ei_gtp_max_bit_rate_value = EI_INIT;
|
|
static expert_field ei_gtp_ext_geo_loc_type = EI_INIT;
|
|
static expert_field ei_gtp_iei = EI_INIT;
|
|
static expert_field ei_gtp_unknown_extention_header = EI_INIT;
|
|
|
|
static gboolean g_gtp_etsi_order = FALSE;
|
|
|
|
static gint dissect_tpdu_as = GTP_TPDU_AS_TPDU;
|
|
static const enum_val_t gtp_decode_tpdu_as[] = {
|
|
{"none", "None", GTP_TPDU_AS_NONE},
|
|
{"tpdu", "TPDU", GTP_TPDU_AS_TPDU},
|
|
{"sync", "SYNC", GTP_TPDU_AS_SYNC},
|
|
{NULL, NULL, 0}
|
|
};
|
|
|
|
|
|
static int gtp_tap = -1;
|
|
static int gtpv1_tap = -1;
|
|
|
|
/* Definition of flags masks */
|
|
#define GTP_VER_MASK 0xE0
|
|
|
|
static const true_false_string gtp_hdr_length_vals = {
|
|
"6-Octet Header",
|
|
"20-Octet Header"
|
|
};
|
|
|
|
static const value_string ver_types[] = {
|
|
{0, "GTP release 97/98 version"},
|
|
{1, "GTP release 99 version"},
|
|
{2, "GTPv2-C"},
|
|
{3, "None"},
|
|
{4, "None"},
|
|
{5, "None"},
|
|
{6, "None"},
|
|
{7, "None"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string pt_types[] = {
|
|
{0, "GTP'"},
|
|
{1, "GTP"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define GTP_PT_MASK 0x10
|
|
#define GTP_SPARE1_MASK 0x0E
|
|
#define GTP_SPARE2_MASK 0x08
|
|
#define GTP_E_MASK 0x04
|
|
#define GTP_S_MASK 0x02
|
|
#define GTP_SNN_MASK 0x01
|
|
#define GTP_PN_MASK 0x01
|
|
|
|
#define GTP_EXT_HDR_NO_MORE_EXT_HDRS 0x00
|
|
#define GTP_EXT_HDR_MBMS_SUPPORT_IND 0x01
|
|
#define GTP_EXT_HDR_MS_INFO_CHG_REP_SUPP_IND 0x02
|
|
#define GTP_EXT_HDR_UDP_PORT 0x40
|
|
#define GTP_EXT_HDR_PDCP_SN 0xC0
|
|
#define GTP_EXT_HDR_SUSPEND_REQ 0xC1
|
|
#define GTP_EXT_HDR_SUSPEND_RESP 0xC2
|
|
|
|
static const value_string next_extension_header_fieldvals[] = {
|
|
{GTP_EXT_HDR_NO_MORE_EXT_HDRS, "No more extension headers"},
|
|
{GTP_EXT_HDR_MBMS_SUPPORT_IND, "MBMS support indication"},
|
|
{GTP_EXT_HDR_MS_INFO_CHG_REP_SUPP_IND, "MS Info Change Reporting support indication"},
|
|
{GTP_EXT_HDR_UDP_PORT, "UDP Port number"},
|
|
{GTP_EXT_HDR_PDCP_SN, "PDCP PDU number"},
|
|
{GTP_EXT_HDR_SUSPEND_REQ, "Suspend Request"},
|
|
{GTP_EXT_HDR_SUSPEND_RESP, "Suspend Response"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* Definition of 3G charging characteristics masks */
|
|
#define GTP_MASK_CHRG_CHAR_S 0xF000
|
|
#define GTP_MASK_CHRG_CHAR_N 0x0800
|
|
#define GTP_MASK_CHRG_CHAR_P 0x0400
|
|
#define GTP_MASK_CHRG_CHAR_F 0x0200
|
|
#define GTP_MASK_CHRG_CHAR_H 0x0100
|
|
#define GTP_MASK_CHRG_CHAR_R 0x00FF
|
|
|
|
/* Definition of GSN Address masks */
|
|
#define GTP_EXT_GSN_ADDR_TYPE_MASK 0xC0
|
|
#define GTP_EXT_GSN_ADDR_LEN_MASK 0x3F
|
|
|
|
/* Definition of QoS masks */
|
|
#define GTP_EXT_QOS_SPARE1_MASK 0xC0
|
|
#define GTP_EXT_QOS_DELAY_MASK 0x38
|
|
#define GTP_EXT_QOS_RELIABILITY_MASK 0x07
|
|
#define GTP_EXT_QOS_PEAK_MASK 0xF0
|
|
#define GTP_EXT_QOS_SPARE2_MASK 0x08
|
|
#define GTP_EXT_QOS_PRECEDENCE_MASK 0x07
|
|
#define GTP_EXT_QOS_SPARE3_MASK 0xE0
|
|
#define GTP_EXT_QOS_MEAN_MASK 0x1F
|
|
#define GTP_EXT_QOS_TRAF_CLASS_MASK 0xE0
|
|
#define GTP_EXT_QOS_DEL_ORDER_MASK 0x18
|
|
#define GTP_EXT_QOS_DEL_ERR_SDU_MASK 0x07
|
|
#define GTP_EXT_QOS_RES_BER_MASK 0xF0
|
|
#define GTP_EXT_QOS_SDU_ERR_RATIO_MASK 0x0F
|
|
#define GTP_EXT_QOS_TRANS_DELAY_MASK 0xFC
|
|
#define GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK 0x03
|
|
#define GTP_EXT_QOS_SRC_STAT_DESC_MASK 0x0F
|
|
#define GTP_EXT_QOS_SIG_IND_MASK 0x10
|
|
|
|
/* Definition of Radio Priority's masks */
|
|
#define GTPv1_EXT_RP_NSAPI_MASK 0xF0
|
|
#define GTPv1_EXT_RP_SPARE_MASK 0x08
|
|
#define GTPv1_EXT_RP_MASK 0x07
|
|
|
|
static const value_string gtp_message_type[] = {
|
|
{GTP_MSG_UNKNOWN, "For future use"},
|
|
{GTP_MSG_ECHO_REQ, "Echo request"},
|
|
{GTP_MSG_ECHO_RESP, "Echo response"},
|
|
{GTP_MSG_VER_NOT_SUPP, "Version not supported"},
|
|
{GTP_MSG_NODE_ALIVE_REQ, "Node alive request"},
|
|
{GTP_MSG_NODE_ALIVE_RESP, "Node alive response"},
|
|
{GTP_MSG_REDIR_REQ, "Redirection request"},
|
|
{GTP_MSG_REDIR_RESP, "Redirection response"},
|
|
/*
|
|
* 8-15 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 8, "Unknown message(For future use)"},
|
|
{ 9, "Unknown message(For future use)"},
|
|
{ 10, "Unknown message(For future use)"},
|
|
{ 11, "Unknown message(For future use)"},
|
|
{ 12, "Unknown message(For future use)"},
|
|
{ 13, "Unknown message(For future use)"},
|
|
{ 14, "Unknown message(For future use)"},
|
|
{ 15, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MSG_CREATE_PDP_REQ, "Create PDP context request"},
|
|
{GTP_MSG_CREATE_PDP_RESP, "Create PDP context response"},
|
|
{GTP_MSG_UPDATE_PDP_REQ, "Update PDP context request"},
|
|
{GTP_MSG_UPDATE_PDP_RESP, "Update PDP context response"},
|
|
{GTP_MSG_DELETE_PDP_REQ, "Delete PDP context request"},
|
|
{GTP_MSG_DELETE_PDP_RESP, "Delete PDP context response"},
|
|
{GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ, "Initiate PDP Context Activation Request"},
|
|
{GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP, "Initiate PDP Context Activation Response"},
|
|
/*
|
|
* 24-25 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
{GTP_MSG_DELETE_AA_PDP_REQ, "Delete AA PDP Context Request"},
|
|
{GTP_MSG_DELETE_AA_PDP_RESP, "Delete AA PDP Context Response"},
|
|
{GTP_MSG_ERR_IND, "Error indication"},
|
|
{GTP_MSG_PDU_NOTIFY_REQ, "PDU notification request"},
|
|
{GTP_MSG_PDU_NOTIFY_RESP, "PDU notification response"},
|
|
{GTP_MSG_PDU_NOTIFY_REJ_REQ, "PDU notification reject request"},
|
|
{GTP_MSG_PDU_NOTIFY_REJ_RESP, "PDU notification reject response"},
|
|
{GTP_MSG_SUPP_EXT_HDR, "Supported extension header notification"},
|
|
{GTP_MSG_SEND_ROUT_INFO_REQ, "Send routing information for GPRS request"},
|
|
{GTP_MSG_SEND_ROUT_INFO_RESP, "Send routing information for GPRS response"},
|
|
{GTP_MSG_FAIL_REP_REQ, "Failure report request"},
|
|
{GTP_MSG_FAIL_REP_RESP, "Failure report response"},
|
|
{GTP_MSG_MS_PRESENT_REQ, "Note MS GPRS present request"},
|
|
{GTP_MSG_MS_PRESENT_RESP, "Note MS GPRS present response"},
|
|
/* 38-47 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 38, "Unknown message(For future use)"},
|
|
{ 39, "Unknown message(For future use)"},
|
|
{ 40, "Unknown message(For future use)"},
|
|
{ 41, "Unknown message(For future use)"},
|
|
{ 42, "Unknown message(For future use)"},
|
|
{ 43, "Unknown message(For future use)"},
|
|
{ 44, "Unknown message(For future use)"},
|
|
{ 45, "Unknown message(For future use)"},
|
|
{ 46, "Unknown message(For future use)"},
|
|
{ 47, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MSG_IDENT_REQ, "Identification request"},
|
|
{GTP_MSG_IDENT_RESP, "Identification response"},
|
|
{GTP_MSG_SGSN_CNTXT_REQ, "SGSN context request"},
|
|
{GTP_MSG_SGSN_CNTXT_RESP, "SGSN context response"},
|
|
{GTP_MSG_SGSN_CNTXT_ACK, "SGSN context acknowledgement"},
|
|
{GTP_MSG_FORW_RELOC_REQ, "Forward relocation request"},
|
|
{GTP_MSG_FORW_RELOC_RESP, "Forward relocation response"},
|
|
{GTP_MSG_FORW_RELOC_COMP, "Forward relocation complete"},
|
|
{GTP_MSG_RELOC_CANCEL_REQ, "Relocation cancel request"},
|
|
{GTP_MSG_RELOC_CANCEL_RESP, "Relocation cancel response"},
|
|
{GTP_MSG_FORW_SRNS_CNTXT, "Forward SRNS context"},
|
|
{GTP_MSG_FORW_RELOC_ACK, "Forward relocation complete acknowledge"},
|
|
{GTP_MSG_FORW_SRNS_CNTXT_ACK, "Forward SRNS context acknowledge"},
|
|
/* 61-69 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 61, "Unknown message(For future use)"},
|
|
{ 62, "Unknown message(For future use)"},
|
|
{ 63, "Unknown message(For future use)"},
|
|
{ 64, "Unknown message(For future use)"},
|
|
{ 65, "Unknown message(For future use)"},
|
|
{ 66, "Unknown message(For future use)"},
|
|
{ 67, "Unknown message(For future use)"},
|
|
{ 68, "Unknown message(For future use)"},
|
|
{ 69, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MSG_RAN_INFO_RELAY, "RAN Information Relay"},
|
|
/* 71-95 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 71, "Unknown message(For future use)"},
|
|
{ 72, "Unknown message(For future use)"},
|
|
{ 73, "Unknown message(For future use)"},
|
|
{ 74, "Unknown message(For future use)"},
|
|
{ 75, "Unknown message(For future use)"},
|
|
{ 76, "Unknown message(For future use)"},
|
|
{ 77, "Unknown message(For future use)"},
|
|
{ 78, "Unknown message(For future use)"},
|
|
{ 79, "Unknown message(For future use)"},
|
|
{ 80, "Unknown message(For future use)"},
|
|
{ 81, "Unknown message(For future use)"},
|
|
{ 82, "Unknown message(For future use)"},
|
|
{ 83, "Unknown message(For future use)"},
|
|
{ 84, "Unknown message(For future use)"},
|
|
{ 85, "Unknown message(For future use)"},
|
|
{ 86, "Unknown message(For future use)"},
|
|
{ 87, "Unknown message(For future use)"},
|
|
{ 88, "Unknown message(For future use)"},
|
|
{ 89, "Unknown message(For future use)"},
|
|
{ 90, "Unknown message(For future use)"},
|
|
{ 91, "Unknown message(For future use)"},
|
|
{ 92, "Unknown message(For future use)"},
|
|
{ 93, "Unknown message(For future use)"},
|
|
{ 94, "Unknown message(For future use)"},
|
|
{ 95, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MBMS_NOTIFY_REQ, "MBMS Notification Request"},
|
|
{GTP_MBMS_NOTIFY_RES, "MBMS Notification Response"},
|
|
{GTP_MBMS_NOTIFY_REJ_REQ, "MBMS Notification Reject Request"},
|
|
{GTP_MBMS_NOTIFY_REJ_RES, "MBMS Notification Reject Response"},
|
|
{GTP_CREATE_MBMS_CNTXT_REQ, "Create MBMS Context Request"},
|
|
{GTP_CREATE_MBMS_CNTXT_RES, "Create MBMS Context Response"},
|
|
{GTP_UPD_MBMS_CNTXT_REQ, "Update MBMS Context Request"},
|
|
{GTP_UPD_MBMS_CNTXT_RES, "Update MBMS Context Response"},
|
|
{GTP_DEL_MBMS_CNTXT_REQ, "Delete MBMS Context Request"},
|
|
{GTP_DEL_MBMS_CNTXT_RES, "Delete MBMS Context Response"},
|
|
/* 106 - 111 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 106, "Unknown message(For future use)"},
|
|
{ 107, "Unknown message(For future use)"},
|
|
{ 108, "Unknown message(For future use)"},
|
|
{ 109, "Unknown message(For future use)"},
|
|
{ 110, "Unknown message(For future use)"},
|
|
{ 111, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MBMS_REG_REQ, "MBMS Registration Request"},
|
|
{GTP_MBMS_REG_RES, "MBMS Registration Response"},
|
|
{GTP_MBMS_DE_REG_REQ, "MBMS De-Registration Request"},
|
|
{GTP_MBMS_DE_REG_RES, "MBMS De-Registration Response"},
|
|
{GTP_MBMS_SES_START_REQ, "MBMS Session Start Request"},
|
|
{GTP_MBMS_SES_START_RES, "MBMS Session Start Response"},
|
|
{GTP_MBMS_SES_STOP_REQ, "MBMS Session Stop Request"},
|
|
{GTP_MBMS_SES_STOP_RES, "MBMS Session Stop Response"},
|
|
{GTP_MBMS_SES_UPD_REQ, "MBMS Session Update Request"},
|
|
{GTP_MBMS_SES_UPD_RES, "MBMS Session Update Response"},
|
|
/* 122-127 For future use. Shall not be sent.
|
|
* If received, shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 122, "Unknown message(For future use)"},
|
|
{ 123, "Unknown message(For future use)"},
|
|
{ 124, "Unknown message(For future use)"},
|
|
{ 125, "Unknown message(For future use)"},
|
|
{ 126, "Unknown message(For future use)"},
|
|
{ 127, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MS_INFO_CNG_NOT_REQ, "MS Info Change Notification Request"},
|
|
{GTP_MS_INFO_CNG_NOT_RES, "MS Info Change Notification Response"},
|
|
/* 130-239 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 130, "Unknown message(For future use)"},
|
|
{ 131, "Unknown message(For future use)"},
|
|
{ 132, "Unknown message(For future use)"},
|
|
{ 133, "Unknown message(For future use)"},
|
|
{ 134, "Unknown message(For future use)"},
|
|
{ 135, "Unknown message(For future use)"},
|
|
{ 136, "Unknown message(For future use)"},
|
|
{ 137, "Unknown message(For future use)"},
|
|
{ 138, "Unknown message(For future use)"},
|
|
{ 139, "Unknown message(For future use)"},
|
|
{ 140, "Unknown message(For future use)"},
|
|
{ 141, "Unknown message(For future use)"},
|
|
{ 142, "Unknown message(For future use)"},
|
|
{ 143, "Unknown message(For future use)"},
|
|
{ 144, "Unknown message(For future use)"},
|
|
{ 145, "Unknown message(For future use)"},
|
|
{ 146, "Unknown message(For future use)"},
|
|
{ 147, "Unknown message(For future use)"},
|
|
{ 148, "Unknown message(For future use)"},
|
|
{ 149, "Unknown message(For future use)"},
|
|
{ 150, "Unknown message(For future use)"},
|
|
{ 151, "Unknown message(For future use)"},
|
|
{ 152, "Unknown message(For future use)"},
|
|
{ 153, "Unknown message(For future use)"},
|
|
{ 154, "Unknown message(For future use)"},
|
|
{ 155, "Unknown message(For future use)"},
|
|
{ 156, "Unknown message(For future use)"},
|
|
{ 157, "Unknown message(For future use)"},
|
|
{ 158, "Unknown message(For future use)"},
|
|
{ 159, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MSG_DATA_TRANSF_REQ, "Data record transfer request"},
|
|
{GTP_MSG_DATA_TRANSF_RESP, "Data record transfer response"},
|
|
/* 242-253 For future use. Shall not be sent. If received,
|
|
* shall be treated as an Unknown message.
|
|
*/
|
|
#if 0
|
|
{ 242, "Unknown message(For future use)"},
|
|
{ 243, "Unknown message(For future use)"},
|
|
{ 244, "Unknown message(For future use)"},
|
|
{ 245, "Unknown message(For future use)"},
|
|
{ 246, "Unknown message(For future use)"},
|
|
{ 247, "Unknown message(For future use)"},
|
|
{ 248, "Unknown message(For future use)"},
|
|
{ 249, "Unknown message(For future use)"},
|
|
{ 250, "Unknown message(For future use)"},
|
|
{ 251, "Unknown message(For future use)"},
|
|
{ 252, "Unknown message(For future use)"},
|
|
{ 253, "Unknown message(For future use)"},
|
|
#endif
|
|
{GTP_MSG_END_MARKER, "End Marker"},
|
|
{GTP_MSG_TPDU, "T-PDU"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext gtp_message_type_ext = VALUE_STRING_EXT_INIT(gtp_message_type);
|
|
|
|
/* definitions of fields in extension header */
|
|
#define GTP_EXT_CAUSE 0x01
|
|
#define GTP_EXT_IMSI 0x02
|
|
#define GTP_EXT_RAI 0x03
|
|
#define GTP_EXT_TLLI 0x04
|
|
#define GTP_EXT_PTMSI 0x05
|
|
#define GTP_EXT_QOS_GPRS 0x06
|
|
#define GTP_EXT_REORDER 0x08
|
|
#define GTP_EXT_AUTH_TRI 0x09
|
|
#define GTP_EXT_MAP_CAUSE 0x0B
|
|
#define GTP_EXT_PTMSI_SIG 0x0C
|
|
#define GTP_EXT_MS_VALID 0x0D
|
|
#define GTP_EXT_RECOVER 0x0E
|
|
#define GTP_EXT_SEL_MODE 0x0F
|
|
|
|
#define GTP_EXT_16 0x10
|
|
#define GTP_EXT_FLOW_LABEL 0x10
|
|
#define GTP_EXT_TEID 0x10 /* 0xFF10 3G */
|
|
|
|
#define GTP_EXT_17 0x11
|
|
#define GTP_EXT_FLOW_SIG 0x11
|
|
#define GTP_EXT_TEID_CP 0x11 /* 0xFF11 3G */
|
|
|
|
#define GTP_EXT_18 0x12
|
|
#define GTP_EXT_FLOW_II 0x12
|
|
#define GTP_EXT_TEID_II 0x12 /* 0xFF12 3G */
|
|
|
|
#define GTP_EXT_19 0x13 /* 19 TV Teardown Ind 7.7.16 */
|
|
#define GTP_EXT_MS_REASON 0x13 /* same as 0x1D GTPv1_EXT_MS_REASON */
|
|
#define GTP_EXT_TEAR_IND 0x13 /* 0xFF13 3G */
|
|
|
|
#define GTP_EXT_NSAPI 0x14 /* 3G */
|
|
#define GTP_EXT_RANAP_CAUSE 0x15 /* 3G */
|
|
#define GTP_EXT_RAB_CNTXT 0x16 /* 3G */
|
|
#define GTP_EXT_RP_SMS 0x17 /* 3G */
|
|
#define GTP_EXT_RP 0x18 /* 3G */
|
|
#define GTP_EXT_PKT_FLOW_ID 0x19 /* 3G */
|
|
#define GTP_EXT_CHRG_CHAR 0x1A /* 3G */
|
|
#define GTP_EXT_TRACE_REF 0x1B /* 3G */
|
|
#define GTP_EXT_TRACE_TYPE 0x1C /* 3G */
|
|
#define GTPv1_EXT_MS_REASON 0x1D /* 3G 29 TV MS Not Reachable Reason 7.7.25A */
|
|
/* 117-126 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
#define GTP_EXT_TR_COMM 0x7E /* charging */
|
|
#define GTP_EXT_CHRG_ID 0x7F /* 127 TV Charging ID 7.7.26 */
|
|
#define GTP_EXT_USER_ADDR 0x80
|
|
#define GTP_EXT_MM_CNTXT 0x81
|
|
#define GTP_EXT_PDP_CNTXT 0x82
|
|
#define GTP_EXT_APN 0x83
|
|
#define GTP_EXT_PROTO_CONF 0x84
|
|
#define GTP_EXT_GSN_ADDR 0x85
|
|
#define GTP_EXT_MSISDN 0x86
|
|
#define GTP_EXT_QOS_UMTS 0x87 /* 3G */
|
|
#define GTP_EXT_AUTH_QUI 0x88 /* 3G */
|
|
#define GTP_EXT_TFT 0x89 /* 3G */
|
|
#define GTP_EXT_TARGET_ID 0x8A /* 3G */
|
|
#define GTP_EXT_UTRAN_CONT 0x8B /* 3G */
|
|
#define GTP_EXT_RAB_SETUP 0x8C /* 3G */
|
|
#define GTP_EXT_HDR_LIST 0x8D /* 3G */
|
|
#define GTP_EXT_TRIGGER_ID 0x8E /* 3G 142 7.7.41 */
|
|
#define GTP_EXT_OMC_ID 0x8F /* 3G 143 TLV OMC Identity 7.7.42 */
|
|
#define GTP_EXT_RAN_TR_CONT 0x90 /* 3G 144 TLV RAN Transparent Container 7.7.43 */
|
|
#define GTP_EXT_PDP_CONT_PRIO 0x91 /* 3G 145 TLV PDP Context Prioritization 7.7.45 */
|
|
#define GTP_EXT_ADD_RAB_SETUP_INF 0x92 /* 3G 146 TLV Additional RAB Setup Information 7.7.45A */
|
|
#define GTP_EXT_SSGN_NO 0x93 /* 3G 147 TLV SGSN Number 7.7.47 */
|
|
#define GTP_EXT_COMMON_FLGS 0x94 /* 3G 148 TLV Common Flags 7.7.48 */
|
|
#define GTP_EXT_APN_RES 0x95 /* 3G 149 */
|
|
#define GTP_EXT_RA_PRIO_LCS 0x96 /* 3G 150 TLV Radio Priority LCS 7.7.25B */
|
|
#define GTP_EXT_RAT_TYPE 0x97 /* 3G 151 TLV RAT Type 7.7.50 */
|
|
#define GTP_EXT_USR_LOC_INF 0x98 /* 3G 152 TLV User Location Information 7.7.51 */
|
|
#define GTP_EXT_MS_TIME_ZONE 0x99 /* 3G 153 TLV MS Time Zone 7.7.52 */
|
|
#define GTP_EXT_IMEISV 0x9A /* 3G 154 TLV IMEI(SV) 7.7.53 */
|
|
#define GTP_EXT_CAMEL_CHG_INF_CON 0x9B /* 3G 155 TLV CAMEL Charging Information Container 7.7.54 */
|
|
#define GTP_EXT_MBMS_UE_CTX 0x9C /* 3G 156 TLV MBMS UE Context 7.7.55 */
|
|
#define GTP_EXT_TMGI 0x9D /* 3G 157 TLV Temporary Mobile Group Identity (TMGI) 7.7.56 */
|
|
#define GTP_EXT_RIM_RA 0x9E /* 3G 158 TLV RIM Routing Address 7.7.57 */
|
|
#define GTP_EXT_MBMS_PROT_CONF_OPT 0x9F /* 3G 159 TLV MBMS Protocol Configuration Options 7.7.58 */
|
|
#define GTP_EXT_MBMS_SA 0xA0 /* 3G 160 TLV MBMS Service Area 7.7.60 */
|
|
#define GTP_EXT_SRC_RNC_PDP_CTX_INF 0xA1 /* 3G 161 TLV Source RNC PDCP context info 7.7.61 */
|
|
#define GTP_EXT_ADD_TRS_INF 0xA2 /* 3G 162 TLV Additional Trace Info 7.7.62 */
|
|
#define GTP_EXT_HOP_COUNT 0xA3 /* 3G 163 TLV Hop Counter 7.7.63 */
|
|
#define GTP_EXT_SEL_PLMN_ID 0xA4 /* 3G 164 TLV Selected PLMN ID 7.7.64 */
|
|
#define GTP_EXT_MBMS_SES_ID 0xA5 /* 3G 165 TLV MBMS Session Identifier 7.7.65 */
|
|
#define GTP_EXT_MBMS_2G_3G_IND 0xA6 /* 3G 166 TLV MBMS 2G/3G Indicator 7.7.66 */
|
|
#define GTP_EXT_ENH_NSAPI 0xA7 /* 3G 167 TLV Enhanced NSAPI 7.7.67 */
|
|
#define GTP_EXT_MBMS_SES_DUR 0xA8 /* 3G 168 TLV MBMS Session Duration 7.7.59 */
|
|
#define GTP_EXT_ADD_MBMS_TRS_INF 0xA9 /* 3G 169 TLV Additional MBMS Trace Info 7.7.68 */
|
|
#define GTP_EXT_MBMS_SES_ID_REP_NO 0xAA /* 3G 170 TLV MBMS Session Identity Repetition Number 7.7.69 */
|
|
#define GTP_EXT_MBMS_TIME_TO_DATA_TR 0xAB /* 3G 171 TLV MBMS Time To Data Transfer 7.7.70 */
|
|
#define GTP_EXT_PS_HO_REQ_CTX 0xAC /* 3G 172 TLV PS Handover Request Context 7.7.71 */
|
|
#define GTP_EXT_BSS_CONT 0xAD /* 3G 173 TLV BSS Container 7.7.72 */
|
|
#define GTP_EXT_CELL_ID 0xAE /* 3G 174 TLV Cell Identification 7.7.73 */
|
|
#define GTP_EXT_PDU_NO 0xAF /* 3G 175 TLV PDU Numbers 7.7.74 */
|
|
#define GTP_EXT_BSSGP_CAUSE 0xB0 /* 3G 176 TLV BSSGP Cause 7.7.75 */
|
|
#define GTP_EXT_REQ_MBMS_BEARER_CAP 0xB1 /* 3G 177 TLV Required MBMS bearer capabilities 7.7.76 */
|
|
#define GTP_EXT_RIM_ROUTING_ADDR_DISC 0xB2 /* 3G 178 TLV RIM Routing Address Discriminator 7.7.77 */
|
|
#define GTP_EXT_LIST_OF_SETUP_PFCS 0xB3 /* 3G 179 TLV List of set-up PFCs 7.7.78 */
|
|
#define GTP_EXT_PS_HANDOVER_XIP_PAR 0xB4 /* 3G 180 TLV PS Handover XID Parameters 7.7.79 */
|
|
#define GTP_EXT_MS_INF_CHG_REP_ACT 0xB5 /* 3G 181 TLV MS Info Change Reporting Action 7.7.80 */
|
|
#define GTP_EXT_DIRECT_TUNNEL_FLGS 0xB6 /* 3G 182 TLV Direct Tunnel Flags 7.7.81 */
|
|
#define GTP_EXT_CORRELATION_ID 0xB7 /* 3G 183 TLV Correlation-ID 7.7.82 */
|
|
#define GTP_EXT_BEARER_CONTROL_MODE 0xB8 /* 3G 184 TLV Bearer Control Mode 7.7.83 */
|
|
#define GTP_EXT_MBMS_FLOW_ID 0xB9 /* 3G 185 TLV MBMS Flow Identifier 7.7.84 */
|
|
#define GTP_EXT_MBMS_IP_MCAST_DIST 0xBA /* 3G 186 TLV MBMS IP Multicast Distribution 7.7.85 */
|
|
#define GTP_EXT_MBMS_DIST_ACK 0xBB /* 3G 187 TLV MBMS Distribution Acknowledgement 7.7.86 */
|
|
#define GTP_EXT_RELIABLE_IRAT_HO_INF 0xBC /* 3G 188 TLV Reliable INTER RAT HANDOVER INFO 7.7.87 */
|
|
#define GTP_EXT_RFSP_INDEX 0xBD /* 3G 189 TLV RFSP Index 7.7.88 */
|
|
#define GTP_EXT_FQDN 0xBE /* 3G 190 TLV Fully Qualified Domain Name (FQDN) 7.7.90 */
|
|
#define GTP_EXT_EVO_ALLO_RETE_P1 0xBF /* 3G 191 TLV Evolved Allocation/Retention Priority I 7.7.91 */
|
|
#define GTP_EXT_EVO_ALLO_RETE_P2 0xC0 /* 3G 192 TLV Evolved Allocation/Retention Priority II 7.7.92 */
|
|
#define GTP_EXT_EXTENDED_COMMON_FLGS 0xC1 /* 3G 193 TLV Extended Common Flags 7.7.93 */
|
|
#define GTP_EXT_UCI 0xC2 /* 3G 194 TLV User CSG Information (UCI) 7.7.94 */
|
|
#define GTP_EXT_CSG_INF_REP_ACT 0xC3 /* 3G 195 TLV CSG Information Reporting Action 7.7.95 */
|
|
#define GTP_EXT_CSG_ID 0xC4 /* 3G 196 TLV CSG ID 7.7.96 */
|
|
#define GTP_EXT_CMI 0xC5 /* 3G 197 TLV CSG Membership Indication (CMI) 7.7.97 */
|
|
#define GTP_EXT_AMBR 0xC6 /* 3G 198 TLV Aggregate Maximum Bit Rate (AMBR) 7.7.98 */
|
|
#define GTP_EXT_UE_NETWORK_CAP 0xC7 /* 3G 199 TLV UE Network Capability 7.7.99 */
|
|
#define GTP_EXT_UE_AMBR 0xC8 /* 3G 200 TLV UE-AMBR 7.7.100 */
|
|
#define GTP_EXT_APN_AMBR_WITH_NSAPI 0xC9 /* 3G 201 TLV APN-AMBR with NSAPI 7.7.101 */
|
|
#define GTP_EXT_GGSN_BACK_OFF_TIME 0xCA /* 3G 202 TLV GGSN Back-Off Time 7.7.102 */
|
|
#define GTP_EXT_SIG_PRI_IND 0xCB /* 3G 203 TLV Signalling Priority Indication 7.7.103 */
|
|
#define GTP_EXT_SIG_PRI_IND_W_NSAPI 0xCC /* 3G 204 TLV Signalling Priority Indication with NSAPI 7.7.104 */
|
|
#define GTP_EXT_HIGHER_BR_16MB_FLG 0xCD /* 3G 205 TLV Higher bitrates than 16 Mbps flag 7.7.105 */
|
|
#define GTP_EXT_MAX_MBR_APN_AMBR 0xCE /* 3G 206 TLV Max MBR/APN-AMBR 7.7.106 */
|
|
#define GTP_EXT_ADD_MM_CTX_SRVCC 0xCF /* 3G 207 TLV Additional MM context for SRVCC 7.7.107 */
|
|
#define GTP_EXT_ADD_FLGS_SRVCC 0xD0 /* 3G 208 TLV Additional flags for SRVCC 7.7.108 */
|
|
#define GTP_EXT_STN_SR 0xD1 /* 3G 209 TLV STN-SR 7.7.109 */
|
|
#define GTP_EXT_C_MSISDN 0xD2 /* 3G 210 TLV C-MSISDN 7.7.110 */
|
|
#define GTP_EXT_EXT_RANAP_CAUSE 0xD3 /* 3G 211 TLV Extended RANAP Cause 7.7.111 */
|
|
#define GTP_EXT_ENODEB_ID 0xD4 /* 3G 212 TLV eNodeB ID 7.7.112 */
|
|
#define GTP_EXT_SEL_MODE_W_NSAPI 0xD5 /* 3G 213 TLV Selection Mode with NSAPI 7.7.113 */
|
|
#define GTP_EXT_ULI_TIMESTAMP 0xD6 /* 3G 214 TLV ULI Timestamp 7.7.114 */
|
|
#define GTP_EXT_LHN_ID_W_SAPI 0xD7 /* 3G 215 TLV Local Home Network ID (LHN-ID) with NSAPI 7.7.115 */
|
|
#define GTP_EXT_CN_OP_SEL_ENTITY 0xD8 /* 3G 216 TLV CN Operator Selection Entity 7.7.116 */
|
|
/* 217-238 TLV Spare. For future use. */
|
|
|
|
/* 239-250 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33])*/
|
|
|
|
#define GTP_EXT_C1 0xC1
|
|
#define GTP_EXT_C2 0xC2
|
|
#define GTP_EXT_REL_PACK 0xF9 /* charging */
|
|
#define GTP_EXT_CAN_PACK 0xFA /* charging */
|
|
#define GTP_EXT_CHRG_ADDR 0xFB /* 3G 251 TLV Charging Gateway Address 7.7.44 */
|
|
/* 252-254 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33])*/
|
|
#define GTP_EXT_DATA_REQ 0xFC /* charging */
|
|
#define GTP_EXT_DATA_RESP 0xFD /* charging */
|
|
#define GTP_EXT_NODE_ADDR 0xFE /* charging */
|
|
#define GTP_EXT_PRIV_EXT 0xFF
|
|
|
|
static const value_string gtp_val[] = {
|
|
{GTP_EXT_CAUSE, "Cause of operation"},
|
|
{GTP_EXT_IMSI, "IMSI"},
|
|
{GTP_EXT_RAI, "Routing Area Identity"},
|
|
{GTP_EXT_TLLI, "Temporary Logical Link Identity"},
|
|
{GTP_EXT_PTMSI, "Packet TMSI"},
|
|
/* 6 */ {GTP_EXT_QOS_GPRS, "Quality of Service"},
|
|
/* 6-7 Spare */
|
|
/* 8 */ {GTP_EXT_REORDER, "Reorder required"},
|
|
/* 9 */ {GTP_EXT_AUTH_TRI, "Authentication triplets"},
|
|
/* 10 Spare */
|
|
/* 11 */ {GTP_EXT_MAP_CAUSE, "MAP cause"},
|
|
/* 12 */ {GTP_EXT_PTMSI_SIG, "P-TMSI signature"},
|
|
/* 13 */ {GTP_EXT_MS_VALID, "MS validated"},
|
|
/* 14 */ {GTP_EXT_RECOVER, "Recovery"},
|
|
/* 15 */ {GTP_EXT_SEL_MODE, "Selection mode"},
|
|
|
|
/* 16 */ {GTP_EXT_16, "Flow label data I"},
|
|
/* 16 */ /* ??? {GTP_EXT_FLOW_LABEL, "Flow label data I"}, */
|
|
/* 16 */ /* ??? {GTP_EXT_TEID, "Tunnel Endpoint Identifier Data I"}, */ /* 3G */
|
|
|
|
{GTP_EXT_17, "Flow label signalling"},
|
|
/* ??? {GTP_EXT_FLOW_SIG, "Flow label signalling"}, */
|
|
/* ??? {GTP_EXT_TEID_CP, "Tunnel Endpoint Identifier Data Control Plane"}, */ /* 3G */
|
|
|
|
{GTP_EXT_18, "Flow label data II"},
|
|
/* ??? {GTP_EXT_FLOW_II, "Flow label data II"}, */
|
|
/* ??? {GTP_EXT_TEID_II, "Tunnel Endpoint Identifier Data II"}, */ /* 3G */
|
|
|
|
{GTP_EXT_19, "MS not reachable reason"},
|
|
/* ??? {GTP_EXT_MS_REASON, "MS not reachable reason"}, */
|
|
/* ??? {GTP_EXT_TEAR_IND, "Teardown ID"}, */ /* 3G */
|
|
|
|
{GTP_EXT_NSAPI, "NSAPI"}, /* 3G */
|
|
{GTP_EXT_RANAP_CAUSE, "RANAP cause"}, /* 3G */
|
|
{GTP_EXT_RAB_CNTXT, "RAB context"}, /* 3G */
|
|
{GTP_EXT_RP_SMS, "Radio Priority for MO SMS"}, /* 3G */
|
|
{GTP_EXT_RP, "Radio Priority"}, /* 3G */
|
|
{GTP_EXT_PKT_FLOW_ID, "Packet Flow ID"}, /* 3G */
|
|
{GTP_EXT_CHRG_CHAR, "Charging characteristics"}, /* 3G */
|
|
{GTP_EXT_TRACE_REF, "Trace references"}, /* 3G */
|
|
{GTP_EXT_TRACE_TYPE, "Trace type"}, /* 3G */
|
|
/* 29 */ {GTPv1_EXT_MS_REASON, "MS not reachable reason"}, /* 3G */
|
|
/* 117-126 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 126 */ {GTP_EXT_TR_COMM, "Packet transfer command"}, /* charging */
|
|
/* 127 */ {GTP_EXT_CHRG_ID, "Charging ID"},
|
|
{GTP_EXT_USER_ADDR, "End user address"},
|
|
{GTP_EXT_MM_CNTXT, "MM context"},
|
|
{GTP_EXT_PDP_CNTXT, "PDP context"},
|
|
{GTP_EXT_APN, "Access Point Name"},
|
|
{GTP_EXT_PROTO_CONF, "Protocol configuration options"},
|
|
{GTP_EXT_GSN_ADDR, "GSN address"},
|
|
{GTP_EXT_MSISDN, "MS international PSTN/ISDN number"},
|
|
{GTP_EXT_QOS_UMTS, "Quality of service (UMTS)"}, /* 3G */
|
|
{GTP_EXT_AUTH_QUI, "Authentication quintuplets"}, /* 3G */
|
|
{GTP_EXT_TFT, "Traffic Flow Template (TFT)"}, /* 3G */
|
|
{GTP_EXT_TARGET_ID, "Target (RNC) identification"}, /* 3G */
|
|
{GTP_EXT_UTRAN_CONT, "UTRAN transparent field"}, /* 3G */
|
|
{GTP_EXT_RAB_SETUP, "RAB setup information"}, /* 3G */
|
|
{GTP_EXT_HDR_LIST, "Extension Header Types List"}, /* 3G */
|
|
{GTP_EXT_TRIGGER_ID, "Trigger Id"}, /* 3G */
|
|
{GTP_EXT_OMC_ID, "OMC Identity"}, /* 3G */
|
|
|
|
{GTP_EXT_RAN_TR_CONT, "RAN Transparent Container"}, /* 7.7.43 */
|
|
{GTP_EXT_PDP_CONT_PRIO, "PDP Context Prioritization"}, /* 7.7.45 */
|
|
{GTP_EXT_ADD_RAB_SETUP_INF, "Additional RAB Setup Information"}, /* 7.7.45A */
|
|
{GTP_EXT_SSGN_NO, "SGSN Number"}, /* 7.7.47 */
|
|
{GTP_EXT_COMMON_FLGS, "Common Flags"}, /* 7.7.48 */
|
|
{GTP_EXT_APN_RES, "APN Restriction"}, /* 3G */
|
|
{GTP_EXT_RA_PRIO_LCS, "Radio Priority LCS"}, /* 7.7.25B */
|
|
{GTP_EXT_RAT_TYPE, "RAT Type"}, /* 3G */
|
|
{GTP_EXT_USR_LOC_INF, "User Location Information"}, /* 7.7.51 */
|
|
{GTP_EXT_MS_TIME_ZONE, "MS Time Zone"}, /* 7.7.52 */
|
|
|
|
{GTP_EXT_IMEISV, "IMEI(SV)"}, /* 3G */
|
|
{GTP_EXT_CAMEL_CHG_INF_CON, "CAMEL Charging Information Container"}, /* 7.7.54 */
|
|
{GTP_EXT_MBMS_UE_CTX, "MBMS UE Context"}, /* 7.7.55 */
|
|
{GTP_EXT_TMGI, "Temporary Mobile Group Identity (TMGI)"}, /* 7.7.56 */
|
|
{GTP_EXT_RIM_RA, "RIM Routing Address"}, /* 7.7.57 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, "MBMS Protocol Configuration Options"}, /* 7.7.58 */
|
|
{GTP_EXT_MBMS_SA, "MBMS Service Area"}, /* 7.7.60 */
|
|
{GTP_EXT_SRC_RNC_PDP_CTX_INF, "Source RNC PDCP context info"}, /* 7.7.61 */
|
|
{GTP_EXT_ADD_TRS_INF, "Additional Trace Info"}, /* 7.7.62 */
|
|
{GTP_EXT_HOP_COUNT, "Hop Counter"}, /* 7.7.63 */
|
|
{GTP_EXT_SEL_PLMN_ID, "Selected PLMN ID"}, /* 7.7.64 */
|
|
{GTP_EXT_MBMS_SES_ID, "MBMS Session Identifier"}, /* 7.7.65 */
|
|
{GTP_EXT_MBMS_2G_3G_IND, "MBMS 2G/3G Indicator"}, /* 7.7.66 */
|
|
{GTP_EXT_ENH_NSAPI, "Enhanced NSAPI"}, /* 7.7.67 */
|
|
{GTP_EXT_MBMS_SES_DUR, "MBMS Session Duration"}, /* 7.7.59 */
|
|
{GTP_EXT_ADD_MBMS_TRS_INF, "Additional MBMS Trace Info"}, /* 7.7.68 */
|
|
{GTP_EXT_MBMS_SES_ID_REP_NO, "MBMS Session Identity Repetition Number"}, /* 7.7.69 */
|
|
{GTP_EXT_MBMS_TIME_TO_DATA_TR, "MBMS Time To Data Transfer"}, /* 7.7.70 */
|
|
{GTP_EXT_PS_HO_REQ_CTX, "PS Handover Request Context"}, /* 7.7.71 */
|
|
{GTP_EXT_BSS_CONT, "BSS Container"}, /* 7.7.72 */
|
|
{GTP_EXT_CELL_ID, "Cell Identification"}, /* 7.7.73 */
|
|
{GTP_EXT_PDU_NO, "PDU Numbers"}, /* 7.7.74 */
|
|
{GTP_EXT_BSSGP_CAUSE, "BSSGP Cause"}, /* 7.7.75 */
|
|
{GTP_EXT_REQ_MBMS_BEARER_CAP, "Required MBMS bearer capabilities"}, /* 7.7.76 */
|
|
{GTP_EXT_RIM_ROUTING_ADDR_DISC, "RIM Routing Address Discriminator"}, /* 7.7.77 */
|
|
{GTP_EXT_LIST_OF_SETUP_PFCS, "List of set-up PFCs"}, /* 7.7.78 */
|
|
/* 180 */ {GTP_EXT_PS_HANDOVER_XIP_PAR, " PS Handover XID Parameters"}, /* 7.7.79 */
|
|
/* 181 */ {GTP_EXT_MS_INF_CHG_REP_ACT, "MS Info Change Reporting Action"}, /* 7.7.80 */
|
|
/* 182 */ {GTP_EXT_DIRECT_TUNNEL_FLGS, "Direct Tunnel Flags"}, /* 7.7.81 */
|
|
/* 183 */ {GTP_EXT_CORRELATION_ID, "Correlation-ID"}, /* 7.7.82 */
|
|
/* 184 */ {GTP_EXT_BEARER_CONTROL_MODE, "Bearer Control Mode"}, /* 7.7.83 */
|
|
/* 185 */ {GTP_EXT_MBMS_FLOW_ID, "MBMS Flow Identifier"}, /* 7.7.84 */
|
|
/* 186 */ {GTP_EXT_MBMS_IP_MCAST_DIST, "MBMS IP Multicast Distribution"}, /* 7.7.85 */
|
|
/* 187 */ {GTP_EXT_MBMS_DIST_ACK, "MBMS Distribution Acknowledgement"}, /* 7.7.86 */
|
|
/* 188 */ {GTP_EXT_RELIABLE_IRAT_HO_INF, "Reliable INTER RAT HANDOVER INFO"}, /* 7.7.87 */
|
|
/* 189 */ {GTP_EXT_RFSP_INDEX, "RFSP Index"}, /* 7.7.88 */
|
|
/* 190 */ {GTP_EXT_FQDN, "Fully Qualified Domain Name (FQDN)"}, /* 7.7.90 */
|
|
/* 191 */ {GTP_EXT_EVO_ALLO_RETE_P1, "Evolved Allocation/Retention Priority I"}, /* 7.7.91 */
|
|
/* 192 */ {GTP_EXT_EVO_ALLO_RETE_P2, "Evolved Allocation/Retention Priority II"}, /* 7.7.92 */
|
|
/* 193 */ {GTP_EXT_EXTENDED_COMMON_FLGS, "Extended Common Flags"}, /* 7.7.93 */
|
|
/* 194 */ {GTP_EXT_UCI, "User CSG Information (UCI)"}, /* 7.7.94 */
|
|
/* 195 */ {GTP_EXT_CSG_INF_REP_ACT, "CSG Information Reporting Action"}, /* 7.7.95 */
|
|
/* 196 */ {GTP_EXT_CSG_ID, "CSG ID"}, /* 7.7.96 */
|
|
/* 197 */ {GTP_EXT_CMI, "CSG Membership Indication (CMI)"}, /* 7.7.97 */
|
|
/* 198 */ {GTP_EXT_AMBR, "Aggregate Maximum Bit Rate (AMBR)"}, /* 7.7.98 */
|
|
/* 199 */ {GTP_EXT_UE_NETWORK_CAP, "UE Network Capability"}, /* 7.7.99 */
|
|
/* 200 */ {GTP_EXT_UE_AMBR, "UE-AMBR"}, /* 7.7.100 */
|
|
/* 201 */ {GTP_EXT_APN_AMBR_WITH_NSAPI, "APN-AMBR with NSAPI"}, /* 7.7.101 */
|
|
/* 202 */ {GTP_EXT_GGSN_BACK_OFF_TIME, "GGSN Back-Off Time"}, /* 7.7.102 */
|
|
/* 203 */ {GTP_EXT_SIG_PRI_IND, "Signalling Priority Indication"}, /* 7.7.103 */
|
|
/* 204 */ {GTP_EXT_SIG_PRI_IND_W_NSAPI, "Signalling Priority Indication with NSAPI"}, /* 7.7.104 */
|
|
/* 205 */ {GTP_EXT_HIGHER_BR_16MB_FLG, "Higher bitrates than 16 Mbps flag"}, /* 7.7.105 */
|
|
/* 206 */ {GTP_EXT_MAX_MBR_APN_AMBR, "Max MBR/APN-AMBR"}, /* 7.7.106 */
|
|
/* 207 */ {GTP_EXT_ADD_MM_CTX_SRVCC, "Additional MM context for SRVCC"}, /* 7.7.107 */
|
|
/* 208 */ {GTP_EXT_ADD_FLGS_SRVCC, "Additional flags for SRVCC"}, /* 7.7.108 */
|
|
/* 209 */ {GTP_EXT_STN_SR, "STN-SR"}, /* 7.7.109 */
|
|
/* 210 */ {GTP_EXT_C_MSISDN, "C-MSISDN"}, /* 7.7.110 */
|
|
/* 211 */ {GTP_EXT_EXT_RANAP_CAUSE, "Extended RANAP Cause"}, /* 7.7.111 */
|
|
/* 212 */ {GTP_EXT_ENODEB_ID, "eNodeB ID" }, /* 7.7.112 */
|
|
/* 213 */ {GTP_EXT_SEL_MODE_W_NSAPI, "Selection Mode with NSAPI" }, /* 7.7.113 */
|
|
/* 214 */ {GTP_EXT_ULI_TIMESTAMP, "ULI Timestamp" }, /* 7.7.114 */
|
|
/* 215 */ {GTP_EXT_LHN_ID_W_SAPI, "Local Home Network ID (LHN-ID) with NSAPI" }, /* 7.7.115*/
|
|
/* 216 */ {GTP_EXT_CN_OP_SEL_ENTITY, "Operator Selection Entity" }, /* 7.7.116*/
|
|
/* 217-238 TLV Spare. For future use. */
|
|
/* 239-250 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 249 */ {GTP_EXT_REL_PACK, "Sequence numbers of released packets IE"}, /* charging */
|
|
/* 250 */ {GTP_EXT_CAN_PACK, "Sequence numbers of canceled packets IE"}, /* charging */
|
|
/* 251 */ {GTP_EXT_CHRG_ADDR, "Charging Gateway address"}, /* 7.7.44 */
|
|
/* 252-254 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 252 */ {GTP_EXT_DATA_REQ, "Data record packet"}, /* charging */
|
|
/* 253 */ {GTP_EXT_DATA_RESP, "Requests responded"}, /* charging */
|
|
/* 254 */ {GTP_EXT_NODE_ADDR, "Address of recommended node"}, /* charging */
|
|
/* 255 */ {GTP_EXT_PRIV_EXT, "Private Extension"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext gtp_val_ext = VALUE_STRING_EXT_INIT(gtp_val);
|
|
|
|
/* It seems like some IE's are renamed in gtpv1 at least reading
|
|
* 3GPP TS 29.060 version 6.11.0 Release 6
|
|
*/
|
|
static const value_string gtpv1_val[] = {
|
|
/* 1 */ {GTP_EXT_CAUSE, "Cause of operation"},
|
|
/* 2 */ {GTP_EXT_IMSI, "IMSI"},
|
|
/* 3 */ {GTP_EXT_RAI, "Routing Area Identity"},
|
|
/* 4 */ {GTP_EXT_TLLI, "Temporary Logical Link Identity"},
|
|
/* 5 */ {GTP_EXT_PTMSI, "Packet TMSI"},
|
|
/* 6 */ {GTP_EXT_QOS_GPRS, "Quality of Service"},
|
|
/* 6-7 Spare */
|
|
/* 7 */ {7, "Spare"},
|
|
/* 8 */ {GTP_EXT_REORDER, "Reorder required"},
|
|
/* 9 */ {GTP_EXT_AUTH_TRI, "Authentication triplets"},
|
|
/* 10 Spare */
|
|
/* 10 */ {10, "Spare"},
|
|
/* 11 */ {GTP_EXT_MAP_CAUSE, "MAP cause"},
|
|
/* 12 */ {GTP_EXT_PTMSI_SIG, "P-TMSI signature"},
|
|
/* 13 */ {GTP_EXT_MS_VALID, "MS validated"},
|
|
/* 14 */ {GTP_EXT_RECOVER, "Recovery"},
|
|
/* 15 */ {GTP_EXT_SEL_MODE, "Selection mode"},
|
|
/* 16 */ {GTP_EXT_TEID, "Tunnel Endpoint Identifier Data I"}, /* 3G */
|
|
/* 17 */ {GTP_EXT_TEID_CP, "Tunnel Endpoint Identifier Data Control Plane"}, /* 3G */
|
|
/* 18 */ {GTP_EXT_TEID_II, "Tunnel Endpoint Identifier Data II"}, /* 3G */
|
|
/* 19 */ {GTP_EXT_TEAR_IND, "Teardown ID"}, /* 3G */
|
|
|
|
/* 20 */ {GTP_EXT_NSAPI, "NSAPI"}, /* 3G */
|
|
/* 21 */ {GTP_EXT_RANAP_CAUSE, "RANAP cause"}, /* 3G */
|
|
/* 22 */ {GTP_EXT_RAB_CNTXT, "RAB context"}, /* 3G */
|
|
/* 23 */ {GTP_EXT_RP_SMS, "Radio Priority for MO SMS"}, /* 3G */
|
|
/* 24 */ {GTP_EXT_RP, "Radio Priority"}, /* 3G */
|
|
/* 25 */ {GTP_EXT_PKT_FLOW_ID, "Packet Flow ID"}, /* 3G */
|
|
/* 26 */ {GTP_EXT_CHRG_CHAR, "Charging characteristics"}, /* 3G */
|
|
/* 27 */ {GTP_EXT_TRACE_REF, "Trace references"}, /* 3G */
|
|
/* 28 */ {GTP_EXT_TRACE_TYPE, "Trace type"}, /* 3G */
|
|
/* 29 */ {GTPv1_EXT_MS_REASON, "MS not reachable reason"}, /* 3G */
|
|
/* 117-126 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 126 */ {GTP_EXT_TR_COMM, "Packet transfer command"}, /* charging */
|
|
/* 127 */ {GTP_EXT_CHRG_ID, "Charging ID"},
|
|
|
|
/* 128 */ {GTP_EXT_USER_ADDR, "End user address"},
|
|
/* 129 */ {GTP_EXT_MM_CNTXT, "MM context"},
|
|
/* 130 */ {GTP_EXT_PDP_CNTXT, "PDP context"},
|
|
/* 131 */ {GTP_EXT_APN, "Access Point Name"},
|
|
/* 132 */ {GTP_EXT_PROTO_CONF, "Protocol configuration options"},
|
|
/* 133 */ {GTP_EXT_GSN_ADDR, "GSN address"},
|
|
/* 134 */ {GTP_EXT_MSISDN, "MS international PSTN/ISDN number"},
|
|
/* 135 */ {GTP_EXT_QOS_UMTS, "Quality of service (UMTS)"}, /* 3G */
|
|
/* 136 */ {GTP_EXT_AUTH_QUI, "Authentication quintuplets"}, /* 3G */
|
|
/* 137 */ {GTP_EXT_TFT, "Traffic Flow Template (TFT)"}, /* 3G */
|
|
/* 138 */ {GTP_EXT_TARGET_ID, "Target (RNC) identification"}, /* 3G */
|
|
/* 139 */ {GTP_EXT_UTRAN_CONT, "UTRAN transparent field"}, /* 3G */
|
|
/* 140 */ {GTP_EXT_RAB_SETUP, "RAB setup information"}, /* 3G */
|
|
/* 141 */ {GTP_EXT_HDR_LIST, "Extension Header Types List"}, /* 3G */
|
|
/* 142 */ {GTP_EXT_TRIGGER_ID, "Trigger Id"}, /* 3G */
|
|
/* 143 */ {GTP_EXT_OMC_ID, "OMC Identity"}, /* 3G */
|
|
/* 144 */ {GTP_EXT_RAN_TR_CONT, "RAN Transparent Container"}, /* 7.7.43 */
|
|
/* 145 */ {GTP_EXT_PDP_CONT_PRIO, "PDP Context Prioritization"}, /* 7.7.45 */
|
|
/* 146 */ {GTP_EXT_ADD_RAB_SETUP_INF, "Additional RAB Setup Information"}, /* 7.7.45A */
|
|
/* 147 */ {GTP_EXT_SSGN_NO, "SGSN Number"}, /* 7.7.47 */
|
|
/* 148 */ {GTP_EXT_COMMON_FLGS, "Common Flags"}, /* 7.7.48 */
|
|
/* 149 */ {GTP_EXT_APN_RES, "APN Restriction"}, /* 3G */
|
|
/* 150 */ {GTP_EXT_RA_PRIO_LCS, "Radio Priority LCS"}, /* 7.7.25B */
|
|
/* 151 */ {GTP_EXT_RAT_TYPE, "RAT Type"}, /* 3G */
|
|
/* 152 */ {GTP_EXT_USR_LOC_INF, "User Location Information"}, /* 7.7.51 */
|
|
/* 153 */ {GTP_EXT_MS_TIME_ZONE, "MS Time Zone"}, /* 7.7.52 */
|
|
|
|
/* 154 */ {GTP_EXT_IMEISV, "IMEI(SV)"}, /* 3G */
|
|
/* 155 */ {GTP_EXT_CAMEL_CHG_INF_CON, "CAMEL Charging Information Container"}, /* 7.7.54 */
|
|
/* 156 */ {GTP_EXT_MBMS_UE_CTX, "MBMS UE Context"}, /* 7.7.55 */
|
|
/* 157 */ {GTP_EXT_TMGI, "Temporary Mobile Group Identity (TMGI)"}, /* 7.7.56 */
|
|
/* 158 */ {GTP_EXT_RIM_RA, "RIM Routing Address"}, /* 7.7.57 */
|
|
/* 159 */ {GTP_EXT_MBMS_PROT_CONF_OPT, "MBMS Protocol Configuration Options"}, /* 7.7.58 */
|
|
/* 160 */ {GTP_EXT_MBMS_SA, "MBMS Service Area"}, /* 7.7.60 */
|
|
/* 161 */ {GTP_EXT_SRC_RNC_PDP_CTX_INF, "Source RNC PDCP context info"}, /* 7.7.61 */
|
|
/* 162 */ {GTP_EXT_ADD_TRS_INF, "Additional Trace Info"}, /* 7.7.62 */
|
|
/* 163 */ {GTP_EXT_HOP_COUNT, "Hop Counter"}, /* 7.7.63 */
|
|
/* 164 */ {GTP_EXT_SEL_PLMN_ID, "Selected PLMN ID"}, /* 7.7.64 */
|
|
/* 165 */ {GTP_EXT_MBMS_SES_ID, "MBMS Session Identifier"}, /* 7.7.65 */
|
|
/* 166 */ {GTP_EXT_MBMS_2G_3G_IND, "MBMS 2G/3G Indicator"}, /* 7.7.66 */
|
|
/* 167 */ {GTP_EXT_ENH_NSAPI, "Enhanced NSAPI"}, /* 7.7.67 */
|
|
/* 168 */ {GTP_EXT_MBMS_SES_DUR, "MBMS Session Duration"}, /* 7.7.59 */
|
|
/* 169 */ {GTP_EXT_ADD_MBMS_TRS_INF, "Additional MBMS Trace Info"}, /* 7.7.68 */
|
|
/* 170 */ {GTP_EXT_MBMS_SES_ID_REP_NO, "MBMS Session Identity Repetition Number"}, /* 7.7.69 */
|
|
/* 171 */ {GTP_EXT_MBMS_TIME_TO_DATA_TR, "MBMS Time To Data Transfer"}, /* 7.7.70 */
|
|
/* 172 */ {GTP_EXT_PS_HO_REQ_CTX, "PS Handover Request Context"}, /* 7.7.71 */
|
|
/* 173 */ {GTP_EXT_BSS_CONT, "BSS Container"}, /* 7.7.72 */
|
|
/* 174 */ {GTP_EXT_CELL_ID, "Cell Identification"}, /* 7.7.73 */
|
|
/* 175 */ {GTP_EXT_PDU_NO, "PDU Numbers"}, /* 7.7.74 */
|
|
/* 176 */ {GTP_EXT_BSSGP_CAUSE, "BSSGP Cause"}, /* 7.7.75 */
|
|
|
|
/* 177 */ {GTP_EXT_REQ_MBMS_BEARER_CAP, "Required MBMS bearer capabilities"}, /* 7.7.76 */
|
|
/* 178 */ {GTP_EXT_RIM_ROUTING_ADDR_DISC, "RIM Routing Address Discriminator"}, /* 7.7.77 */
|
|
/* 179 */ {GTP_EXT_LIST_OF_SETUP_PFCS, "List of set-up PFCs"}, /* 7.7.78 */
|
|
/* 180 */ {GTP_EXT_PS_HANDOVER_XIP_PAR, "PS Handover XID Parameters"}, /* 7.7.79 */
|
|
/* 181 */ {GTP_EXT_MS_INF_CHG_REP_ACT, "MS Info Change Reporting Action"}, /* 7.7.80 */
|
|
/* 182 */ {GTP_EXT_DIRECT_TUNNEL_FLGS, "Direct Tunnel Flags"}, /* 7.7.81 */
|
|
/* 183 */ {GTP_EXT_CORRELATION_ID, "Correlation-ID"}, /* 7.7.82 */
|
|
/* 184 */ {GTP_EXT_BEARER_CONTROL_MODE, "Bearer Control Mode"}, /* 7.7.83 */
|
|
/* 185 */ {GTP_EXT_MBMS_FLOW_ID, "MBMS Flow Identifier"}, /* 7.7.84 */
|
|
/* 186 */ {GTP_EXT_MBMS_IP_MCAST_DIST, "MBMS IP Multicast Distribution"}, /* 7.7.85 */
|
|
/* 187 */ {GTP_EXT_MBMS_DIST_ACK, "MBMS Distribution Acknowledgement"}, /* 7.7.86 */
|
|
/* 188 */ {GTP_EXT_RELIABLE_IRAT_HO_INF, "Reliable INTER RAT HANDOVER INFO"}, /* 7.7.87 */
|
|
/* 190 */ {GTP_EXT_RFSP_INDEX, "RFSP Index"}, /* 7.7.88 */
|
|
/* 190 */ {GTP_EXT_FQDN, "Fully Qualified Domain Name (FQDN)"}, /* 7.7.90 */
|
|
/* 191 */ {GTP_EXT_EVO_ALLO_RETE_P1, "Evolved Allocation/Retention Priority I"}, /* 7.7.91 */
|
|
/* 192 */ {GTP_EXT_EVO_ALLO_RETE_P2, "Evolved Allocation/Retention Priority II"}, /* 7.7.92 */
|
|
/* 193 */ {GTP_EXT_EXTENDED_COMMON_FLGS, "Extended Common Flags"}, /* 7.7.93 */
|
|
/* 194 */ {GTP_EXT_UCI, "User CSG Information (UCI)"}, /* 7.7.94 */
|
|
/* 195 */ {GTP_EXT_CSG_INF_REP_ACT, "CSG Information Reporting Action"}, /* 7.7.95 */
|
|
/* 196 */ {GTP_EXT_CSG_ID, "CSG ID"}, /* 7.7.96 */
|
|
/* 197 */ {GTP_EXT_CMI, "CSG Membership Indication (CMI)"}, /* 7.7.97 */
|
|
/* 198 */ {198, "Aggregate Maximum Bit Rate (AMBR)"}, /* 7.7.98 */
|
|
/* 199 */ {199, "UE Network Capability"}, /* 7.7.99 */
|
|
/* 200 */ {200, "UE-AMBR"}, /* 7.7.100 */
|
|
/* 201 */ {201, "APN-AMBR with NSAPI"}, /* 7.7.101 */
|
|
/* 202 */ {202, "GGSN Back-Off Time"}, /* 7.7.102 */
|
|
/* 203 */ {203, "Signalling Priority Indication"}, /* 7.7.103 */
|
|
/* 204 */ {204, "Signalling Priority Indication with NSAPI"}, /* 7.7.104 */
|
|
/* 205 */ {205, "Higher bitrates than 16 Mbps flag"}, /* 7.7.105 */
|
|
/* 206 */ {206, "Max MBR/APN-AMBR"}, /* 7.7.106 */
|
|
/* 207 */ {207, "Additional MM context for SRVCC"}, /* 7.7.107 */
|
|
/* 208 */ {208, "Additional flags for SRVCC"}, /* 7.7.108 */
|
|
/* 209 */ {209, "STN-SR"}, /* 7.7.109 */
|
|
/* 210 */ {210, "C-MSISDN"}, /* 7.7.110 */
|
|
/* 211 */ {211, "Extended RANAP Cause"}, /* 7.7.111 */
|
|
/* 212 */ {GTP_EXT_ENODEB_ID, "eNodeB ID" }, /* 7.7.112 */
|
|
/* 213 */ {GTP_EXT_SEL_MODE_W_NSAPI, "Selection Mode with NSAPI" }, /* 7.7.113 */
|
|
/* 214 */ {GTP_EXT_ULI_TIMESTAMP, "ULI Timestamp" }, /* 7.7.114 */
|
|
/* 215 */ {GTP_EXT_LHN_ID_W_SAPI, "Local Home Network ID (LHN-ID) with NSAPI" }, /* 7.7.115*/
|
|
/* 216 */ {GTP_EXT_CN_OP_SEL_ENTITY, "Operator Selection Entity" }, /* 7.7.116*/
|
|
/* 217-238 TLV Spare. For future use. */
|
|
/* 239-250 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 249 */ {GTP_EXT_REL_PACK, "Sequence numbers of released packets IE"}, /* charging */
|
|
/* 250 */ {GTP_EXT_CAN_PACK, "Sequence numbers of canceled packets IE"}, /* charging */
|
|
/* 251 */ {GTP_EXT_CHRG_ADDR, "Charging Gateway address"}, /* 7.7.44 */
|
|
/* 252-254 Reserved for the GPRS charging protocol (see GTP' in 3GPP TS 32.295 [33]) */
|
|
/* 252 */ {GTP_EXT_DATA_REQ, "Data record packet"}, /* charging */
|
|
/* 253 */ {GTP_EXT_DATA_RESP, "Requests responded"}, /* charging */
|
|
/* 254 */ {GTP_EXT_NODE_ADDR, "Address of recommended node"}, /* charging */
|
|
/* 255 */ {GTP_EXT_PRIV_EXT, "Private Extension"},
|
|
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext gtpv1_val_ext = VALUE_STRING_EXT_INIT(gtpv1_val);
|
|
|
|
/* GPRS: 9.60 v7.6.0, page 37
|
|
* UMTS: 29.060 v4.0, page 45
|
|
* ETSI TS 129 060 V9.4.0 (2010-10) Ch 7.7.1
|
|
*/
|
|
static const value_string cause_type[] = {
|
|
{ 0, "Request IMSI"},
|
|
{ 1, "Request IMEI"},
|
|
{ 2, "Request IMSI and IMEI"},
|
|
{ 3, "No identity needed"},
|
|
{ 4, "MS refuses"},
|
|
{ 5, "MS is not GPRS responding"},
|
|
{ 6, "Reactivation Requested"},
|
|
{ 7, "PDP address inactivity timer expires"},
|
|
/* For future use 8-48 */
|
|
/* Cause values reserved for GPRS charging
|
|
* protocol use (see GTP' in 3GPP TS 32.295 [33])
|
|
* 49-63
|
|
*/
|
|
{ 59, "System failure"}, /* charging */
|
|
{ 60, "The transmit buffers are becoming full"}, /* charging */
|
|
{ 61, "The receive buffers are becoming full"}, /* charging */
|
|
{ 62, "Another node is about to go down"}, /* charging */
|
|
{ 63, "This node is about to go down"}, /* charging */
|
|
/* For future use 64-127 */
|
|
{128, "Request accepted"},
|
|
{129, "New PDP type due to network preference"},
|
|
{130, "New PDP type due to single address bearer only"},
|
|
/* For future use 131-176 */
|
|
/* Cause values reserved for GPRS charging
|
|
* protocol use (see GTP' in 3GPP TS 32.295 [33])
|
|
* 177-191
|
|
*/
|
|
{177, "CDR decoding error"},
|
|
|
|
{192, "Non-existent"},
|
|
{193, "Invalid message format"},
|
|
{194, "IMSI not known"},
|
|
{195, "MS is GPRS detached"},
|
|
{196, "MS is not GPRS responding"},
|
|
{197, "MS refuses"},
|
|
{198, "Version not supported"},
|
|
{199, "No resource available"},
|
|
{200, "Service not supported"},
|
|
{201, "Mandatory IE incorrect"},
|
|
{202, "Mandatory IE missing"},
|
|
{203, "Optional IE incorrect"},
|
|
{204, "System failure"},
|
|
{205, "Roaming restriction"},
|
|
{206, "P-TMSI signature mismatch"},
|
|
{207, "GPRS connection suspended"},
|
|
{208, "Authentication failure"},
|
|
{209, "User authentication failed"},
|
|
{210, "Context not found"},
|
|
{211, "All PDP dynamic addresses are occupied"},
|
|
{212, "No memory is available"},
|
|
{213, "Relocation failure"},
|
|
{214, "Unknown mandatory extension header"},
|
|
{215, "Semantic error in the TFT operation"},
|
|
{216, "Syntactic error in the TFT operation"},
|
|
{217, "Semantic errors in packet filter(s)"},
|
|
{218, "Syntactic errors in packet filter(s)"},
|
|
{219, "Missing or unknown APN"},
|
|
{220, "Unknown PDP address or PDP type"},
|
|
{221, "PDP context without TFT already activated"},
|
|
{222, "APN access denied - no subscription"},
|
|
{223, "APN Restriction type incompatibility with currently active PDP Contexts"},
|
|
{224, "MS MBMS Capabilities Insufficient"},
|
|
{225, "Invalid Correlation-ID"},
|
|
{226, "MBMS Bearer Context Superseded"},
|
|
{227, "Bearer Control Mode violation"},
|
|
{228, "Collision with network initiated request"},
|
|
{229, "APN Congestion"},
|
|
{230, "Bearer handling not supported"},
|
|
/* For future use 231-240 */
|
|
/* Cause values reserved for GPRS charging
|
|
* protocol use (see GTP' in 3GPP TS 32.295 [33])
|
|
* 241-255
|
|
*/
|
|
{252, "Request related to possibly duplicated packets already fulfilled"}, /* charging */
|
|
{253, "Request already fulfilled"}, /* charging */
|
|
{254, "Sequence numbers of released/cancelled packets IE incorrect"}, /* charging */
|
|
{255, "Request not fulfilled"}, /* charging */
|
|
{0, NULL}
|
|
};
|
|
value_string_ext cause_type_ext = VALUE_STRING_EXT_INIT(cause_type);
|
|
|
|
/* GPRS: 9.02 v7.7.0
|
|
* UMTS: 29.002 v4.2.1, chapter 17.5, page 268
|
|
* Imported gsm_old_GSMMAPLocalErrorcode_vals from gsm_map from gsm_map
|
|
*/
|
|
|
|
static const value_string gsn_addr_type[] = {
|
|
{0x00, "IPv4"},
|
|
{0x01, "IPv6"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string pdp_type[] = {
|
|
{0x00, "X.25"},
|
|
{0x01, "PPP"},
|
|
{0x02, "OSP:IHOSS"},
|
|
{0x21, "IPv4"},
|
|
{0x57, "IPv6"},
|
|
{0x8d, "IPv4v6"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string pdp_org_type[] = {
|
|
{0, "ETSI"},
|
|
{1, "IETF"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_delay_type[] = {
|
|
{0x00, "Subscribed delay class (in MS to network direction)"},
|
|
{0x01, "Delay class 1"},
|
|
{0x02, "Delay class 2"},
|
|
{0x03, "Delay class 3"},
|
|
{0x04, "Delay class 4 (best effort)"},
|
|
{0x07, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_reliability_type[] = {
|
|
{0x00, "Subscribed reliability class (in MS to network direction)"},
|
|
{0x01, "Acknowledged GTP, LLC, and RLC; Protected data"},
|
|
{0x02, "Unacknowledged GTP, Ack LLC/RLC, Protected data"},
|
|
{0x03, "Unacknowledged GTP/LLC, Ack RLC, Protected data"},
|
|
{0x04, "Unacknowledged GTP/LLC/RLC, Protected data"},
|
|
{0x05, "Unacknowledged GTP/LLC/RLC, Unprotected data"},
|
|
{0x07, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_peak_type[] = {
|
|
{0x00, "Subscribed peak throughput (in MS to network direction)"},
|
|
{0x01, "Up to 1 000 oct/s"},
|
|
{0x02, "Up to 2 000 oct/s"},
|
|
{0x03, "Up to 4 000 oct/s"},
|
|
{0x04, "Up to 8 000 oct/s"},
|
|
{0x05, "Up to 16 000 oct/s"},
|
|
{0x06, "Up to 32 000 oct/s"},
|
|
{0x07, "Up to 64 000 oct/s"},
|
|
{0x08, "Up to 128 000 oct/s"},
|
|
{0x09, "Up to 256 000 oct/s"},
|
|
/* QoS Peak throughput classes from 0x0A to 0x0F (from 10 to 15) are subscribed */
|
|
{0x0A, "Reserved"},
|
|
{0x0B, "Reserved"},
|
|
{0x0C, "Reserved"},
|
|
{0x0D, "Reserved"},
|
|
{0x0E, "Reserved"},
|
|
{0x0F, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_precedence_type[] = {
|
|
{0x00, "Subscribed precedence (in MS to network direction)"},
|
|
{0x01, "High priority"},
|
|
{0x02, "Normal priority"},
|
|
{0x03, "Low priority"},
|
|
{0x07, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_mean_type[] = {
|
|
{0x00, "Subscribed mean throughput (in MS to network direction)"},
|
|
{0x01, "100 oct/h"}, /* Class 2 */
|
|
{0x02, "200 oct/h"}, /* Class 3 */
|
|
{0x03, "500 oct/h"}, /* Class 4 */
|
|
{0x04, "1 000 oct/h"}, /* Class 5 */
|
|
{0x05, "2 000 oct/h"}, /* Class 6 */
|
|
{0x06, "5 000 oct/h"}, /* Class 7 */
|
|
{0x07, "10 000 oct/h"}, /* Class 8 */
|
|
{0x08, "20 000 oct/h"}, /* Class 9 */
|
|
{0x09, "50 000 oct/h"}, /* Class 10 */
|
|
{0x0A, "100 000 oct/h"}, /* Class 11 */
|
|
{0x0B, "200 000 oct/h"}, /* Class 12 */
|
|
{0x0C, "500 000 oct/h"}, /* Class 13 */
|
|
{0x0D, "1 000 000 oct/h"}, /* Class 14 */
|
|
{0x0E, "2 000 000 oct/h"}, /* Class 15 */
|
|
{0x0F, "5 000 000 oct/h"}, /* Class 16 */
|
|
{0x10, "10 000 000 oct/h"}, /* Class 17 */
|
|
{0x11, "20 000 000 oct/h"}, /* Class 18 */
|
|
{0x12, "50 000 000 oct/h"}, /* Class 19 */
|
|
/* QoS Mean throughput classes from 0x13 to 0x1E (from 19 to 30) are subscribed */
|
|
{0x13, "Reserved"},
|
|
{0x14, "Reserved"},
|
|
{0x15, "Reserved"},
|
|
{0x16, "Reserved"},
|
|
{0x17, "Reserved"},
|
|
{0x18, "Reserved"},
|
|
{0x19, "Reserved"},
|
|
{0x1A, "Reserved"},
|
|
{0x1B, "Reserved"},
|
|
{0x1C, "Reserved"},
|
|
{0x1D, "Reserved"},
|
|
{0x1E, "Reserved"},
|
|
{0x1F, "Best effort"}, /* Class 1 */
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext qos_mean_type_ext = VALUE_STRING_EXT_INIT(qos_mean_type);
|
|
|
|
static const value_string qos_del_err_sdu[] = {
|
|
{0x00, "Subscribed delivery of erroneous SDUs (in MS to network direction)"},
|
|
{0x01, "No detect ('-')"},
|
|
{0x02, "Erroneous SDUs are delivered ('yes')"},
|
|
{0x03, "Erroneous SDUs are not delivered ('no')"},
|
|
{0x07, "Reserved"}, /* All other values are reserved */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_del_order[] = {
|
|
{0x00, "Subscribed delivery order (in MS to network direction)"},
|
|
{0x01, "With delivery order ('yes')"},
|
|
{0x02, "Without delivery order ('no')"},
|
|
{0x03, "Reserved"}, /* All other values are reserved */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_traf_class[] = {
|
|
{0x00, "Subscribed traffic class (in MS to network direction)"},
|
|
{0x01, "Conversational class"},
|
|
{0x02, "Streaming class"},
|
|
{0x03, "Interactive class"},
|
|
{0x04, "Background class"},
|
|
{0x07, "Reserved"}, /* All other values are reserved */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_max_sdu_size[] = {
|
|
{0x00, "Subscribed maximum SDU size (in MS to network direction"},
|
|
/* For values from 0x01 to 0x96 (from 1 to 150), use a granularity of 10 octets */
|
|
{0x97, "1502 octets"},
|
|
{0x98, "1510 octets"},
|
|
{0x99, "1520 octets"},
|
|
{0, NULL} /* All other values are reserved */
|
|
};
|
|
|
|
static const value_string qos_max_ul[] = {
|
|
{0x00, "Subscribed maximum bit rate for uplink (in MS to network direction)"},
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{0xFF, "0 kbps"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_max_dl[] = {
|
|
{0x00, "Subscribed maximum bit rate for downlink (in MS to network direction)"},
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{0xFF, "0 kbps"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_res_ber[] = {
|
|
{0x00, "Subscribed residual BER (in MS to network direction)"},
|
|
{0x01, "1/20 = 5x10^-2"},
|
|
{0x02, "1/100 = 1x10^-2"},
|
|
{0x03, "1/200 = 5x10^-3"},
|
|
{0x04, "1/250 = 4x10^-3"},
|
|
{0x05, "1/1 000 = 1x10^-3"},
|
|
{0x06, "1/10 000 = 1x10^-4"},
|
|
{0x07, "1/100 000 = 1x10^-5"},
|
|
{0x08, "1/1 000 000 = 1x10^-6"},
|
|
{0x09, "3/50 000 000 = 6x10^-8"},
|
|
{0x0F, "Reserved"}, /* All other values are reserved */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_sdu_err_ratio[] = {
|
|
{0x00, "Subscribed SDU error ratio (in MS to network direction)"},
|
|
{0x01, "1/100 = 1x10^-2"},
|
|
{0x02, "7/1000 = 7x10^-3"},
|
|
{0x03, "1/1 000 = 1x10^-3"},
|
|
{0x04, "1/10 000 = 1x10^-4"},
|
|
{0x05, "1/100 000 = 1x10^-5"},
|
|
{0x06, "1/1 000 000 = 1x10^-6"},
|
|
{0x07, "1/10 = 1x10^-1"},
|
|
{0x0F, "Reserved"}, /* All other values are reserved */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_traf_handl_prio[] = {
|
|
{0x00, "Subscribed traffic handling priority (in MS to network direction)"},
|
|
{0x01, "Priority level 1"},
|
|
{0x02, "Priority level 2"},
|
|
{0x03, "Priority level 3"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string qos_trans_delay[] = {
|
|
{0x00, "Subscribed Transfer Delay (in MS to network direction)"},
|
|
{0x01, "10 ms"}, /* Using a granularity of 10 ms */
|
|
{0x02, "20 ms"},
|
|
{0x03, "30 ms"},
|
|
{0x04, "40 ms"},
|
|
{0x05, "50 ms"},
|
|
{0x06, "60 ms"},
|
|
{0x07, "70 ms"},
|
|
{0x08, "80 ms"},
|
|
{0x09, "90 ms"},
|
|
{0x0A, "100 ms"},
|
|
{0x0B, "110 ms"},
|
|
{0x0C, "120 ms"},
|
|
{0x0D, "130 ms"},
|
|
{0x0E, "140 ms"},
|
|
{0x0F, "150 ms"},
|
|
{0x10, "200 ms"}, /* (For values from 0x10 to 0x1F, value = 200 ms + (value - 0x10) * 50 ms */
|
|
{0x11, "250 ms"},
|
|
{0x12, "300 ms"},
|
|
{0x13, "350 ms"},
|
|
{0x14, "400 ms"},
|
|
{0x15, "450 ms"},
|
|
{0x16, "500 ms"},
|
|
{0x17, "550 ms"},
|
|
{0x18, "600 ms"},
|
|
{0x19, "650 ms"},
|
|
{0x1A, "700 ms"},
|
|
{0x1B, "750 ms"},
|
|
{0x1C, "800 ms"},
|
|
{0x1D, "850 ms"},
|
|
{0x1E, "900 ms"},
|
|
{0x1F, "950 ms"},
|
|
{0x20, "1000 ms"}, /* For values from 0x20 to 0x3E, value = 1000 ms + (value - 0x20) * 100 ms */
|
|
{0x21, "1100 ms"},
|
|
{0x22, "1200 ms"},
|
|
{0x23, "1300 ms"},
|
|
{0x24, "1400 ms"},
|
|
{0x25, "1500 ms"},
|
|
{0x26, "1600 ms"},
|
|
{0x27, "1700 ms"},
|
|
{0x28, "1800 ms"},
|
|
{0x29, "1900 ms"},
|
|
{0x2A, "2000 ms"},
|
|
{0x2B, "2100 ms"},
|
|
{0x2C, "2200 ms"},
|
|
{0x2D, "2300 ms"},
|
|
{0x2E, "2400 ms"},
|
|
{0x2F, "2500 ms"},
|
|
{0x30, "2600 ms"},
|
|
{0x31, "2700 ms"},
|
|
{0x32, "2800 ms"},
|
|
{0x33, "2900 ms"},
|
|
{0x34, "3000 ms"},
|
|
{0x35, "3100 ms"},
|
|
{0x36, "3200 ms"},
|
|
{0x37, "3300 ms"},
|
|
{0x38, "3400 ms"},
|
|
{0x39, "3500 ms"},
|
|
{0x3A, "3600 ms"},
|
|
{0x3B, "3700 ms"},
|
|
{0x3C, "3800 ms"},
|
|
{0x3D, "3900 ms"},
|
|
{0x3E, "4000 ms"},
|
|
{0x3F, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext qos_trans_delay_ext = VALUE_STRING_EXT_INIT(qos_trans_delay);
|
|
|
|
static const value_string qos_guar_ul[] = {
|
|
{0x00, "Subscribed guaranteed bit rate for uplink (in MS to network direction)"},
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{0xFF, "0 kbps"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string src_stat_desc_vals[] = {
|
|
{0x00, "unknown"},
|
|
{0x01, "speech"},
|
|
{0, NULL}
|
|
};
|
|
|
|
|
|
static const true_false_string gtp_sig_ind = {
|
|
"Optimised for signalling traffic",
|
|
"Not optimised for signalling traffic"
|
|
};
|
|
|
|
static const value_string qos_guar_dl[] = {
|
|
{0x00, "Subscribed guaranteed bit rate for downlink (in MS to network direction)"},
|
|
/* For values from 0x01 to 0x3F (from 1 to 63), use a granularity of 1 kbps */
|
|
/* For values from 0x40 to 0x7F, value = 64 kbps + (value - 0x40) * 8 kbps */
|
|
/* For values from 0x80 to 0xFE, value = 576 kbps + (value - 0x80) * 64 kbps */
|
|
{0xFF, "0 kbps"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string sel_mode_type[] = {
|
|
{0, "MS or network provided APN, subscribed verified"},
|
|
{1, "MS provided APN, subscription not verified"},
|
|
{2, "Network provided APN, subscription not verified"},
|
|
{3, "For future use (Network provided APN, subscription not verified"}, /* Shall not be sent. If received, shall be sent as value 2 */
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string tr_comm_type[] = {
|
|
{1, "Send data record packet"},
|
|
{2, "Send possibly duplicated data record packet"},
|
|
{3, "Cancel data record packet"},
|
|
{4, "Release data record packet"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* TODO: CHeck if all ms_reasons are included */
|
|
static const value_string ms_not_reachable_type[] = {
|
|
{ 0, "No paging response via the MSC"},
|
|
{ 1, "IMSI detached"},
|
|
{ 2, "Roaming restriction"},
|
|
{ 3, "Deregistered in the HLR for non GPRS"},
|
|
{ 4, "MS purge for non GPRS"},
|
|
{ 5, "No paging response via the SGSN"},
|
|
{ 6, "GPRS detached"},
|
|
{ 7, "Deregistered in the HLR for non GPRS"},
|
|
{ 8, "MS purged for GPRS"},
|
|
{ 9, "Unidentified subscriber via the MSC"},
|
|
{10, "Unidentified subscriber via the SGSN"},
|
|
{11, "Deregistered in the HSS/HLR for IMS"},
|
|
{12, "No response via the IP-SM-GW"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* UMTS: 25.413 v3.4.0, chapter 9.2.1.4, page 80
|
|
*/
|
|
static const value_string ranap_cause_type[] = {
|
|
/* Radio Network Layer Cause (1-->64) */
|
|
{ 1, "RAB preempted"},
|
|
{ 2, "Trelocoverall Expiry"},
|
|
{ 3, "Trelocprep Expiry"},
|
|
{ 4, "Treloccomplete Expiry"},
|
|
{ 5, "Tqueuing Expiry"},
|
|
{ 6, "Relocation Triggered"},
|
|
{ 7, "TRELOCalloc Expiry"},
|
|
{ 8, "Unable to Establish During Relocation"},
|
|
{ 9, "Unknown Target RNC"},
|
|
{ 10, "Relocation Cancelled"},
|
|
{ 11, "Successful Relocation"},
|
|
{ 12, "Requested Ciphering and/or Integrity Protection Algorithms not Supported"},
|
|
{ 13, "Change of Ciphering and/or Integrity Protection is not supported"},
|
|
{ 14, "Failure in the Radio Interface Procedure"},
|
|
{ 15, "Release due to UTRAN Generated Reason"},
|
|
{ 16, "User Inactivity"},
|
|
{ 17, "Time Critical Relocation"},
|
|
{ 18, "Requested Traffic Class not Available"},
|
|
{ 19, "Invalid RAB Parameters Value"},
|
|
{ 20, "Requested Maximum Bit Rate not Available"},
|
|
{ 21, "Requested Guaranteed Bit Rate not Available"},
|
|
{ 22, "Requested Transfer Delay not Achievable"},
|
|
{ 23, "Invalid RAB Parameters Combination"},
|
|
{ 24, "Condition Violation for SDU Parameters"},
|
|
{ 25, "Condition Violation for Traffic Handling Priority"},
|
|
{ 26, "Condition Violation for Guaranteed Bit Rate"},
|
|
{ 27, "User Plane Versions not Supported"},
|
|
{ 28, "Iu UP Failure"},
|
|
{ 29, "Relocation Failure in Target CN/RNC or Target System"},
|
|
{ 30, "Invalid RAB ID"},
|
|
{ 31, "No Remaining RAB"},
|
|
{ 32, "Interaction with other procedure"},
|
|
{ 33, "Requested Maximum Bit Rate for DL not Available"},
|
|
{ 34, "Requested Maximum Bit Rate for UL not Available"},
|
|
{ 35, "Requested Guaranteed Bit Rate for DL not Available"},
|
|
{ 36, "Requested Guaranteed Bit Rate for UL not Available"},
|
|
{ 37, "Repeated Integrity Checking Failure"},
|
|
{ 38, "Requested Report Type not supported"},
|
|
{ 39, "Request superseded"},
|
|
{ 40, "Release due to UE generated signalling connection release"},
|
|
{ 41, "Resource Optimisation Relocation"},
|
|
{ 42, "Requested Information Not Available"},
|
|
{ 43, "Relocation desirable for radio reasons"},
|
|
{ 44, "Relocation not supported in Target RNC or Target System"},
|
|
{ 45, "Directed Retry"},
|
|
{ 46, "Radio Connection With UE Lost"},
|
|
{ 47, "rNC-unable-to-establish-all-RFCs"},
|
|
{ 48, "deciphering-keys-not-available"},
|
|
{ 49, "dedicated-assistance-data-not-available"},
|
|
{ 50, "relocation-target-not-allowed"},
|
|
{ 51, "location-reporting-congestion"},
|
|
{ 52, "reduce-load-in-serving-cell"},
|
|
{ 53, "no-radio-resources-available-in-target-cell"},
|
|
{ 54, "gERAN-Iumode-failure"},
|
|
{ 55, "access-restricted-due-to-shared-networks"},
|
|
{ 56, "incoming-relocation-not-supported-due-to-PUESBINE-feature"},
|
|
{ 57, "traffic-load-in-the-target-cell-higher-than-in-the-source-cell"},
|
|
{ 58, "mBMS-no-multicast-service-for-this-UE"},
|
|
{ 59, "mBMS-unknown-UE-ID"},
|
|
{ 60, "successful-MBMS-session-start-no-data-bearer-necessary"},
|
|
{ 61, "mBMS-superseded-due-to-NNSF"},
|
|
{ 62, "mBMS-UE-linking-already-done"},
|
|
{ 63, "mBMS-UE-de-linking-failure-no-existing-UE-linking"},
|
|
{ 64, "tMGI-unknown"},
|
|
/* Transport Layer Cause (65-->80) */
|
|
{ 65, "Signalling Transport Resource Failure"},
|
|
{ 66, "Iu Transport Connection Failed to Establish"},
|
|
/* NAS Cause (81-->96) */
|
|
{ 81, "User Restriction Start Indication"},
|
|
{ 82, "User Restriction End Indication"},
|
|
{ 83, "Normal Release"},
|
|
/* Protocol Cause (97-->112) */
|
|
{ 97, "Transfer Syntax Error"},
|
|
{ 98, "Semantic Error"},
|
|
{ 99, "Message not compatible with receiver state"},
|
|
{ 100, "Abstract Syntax Error (Reject)"},
|
|
{ 101, "Abstract Syntax Error (Ignore and Notify)"},
|
|
{ 102, "Abstract Syntax Error (Falsely Constructed Message"},
|
|
/* Miscellaneous Cause (113-->128) */
|
|
{ 113, "O & M Intervention"},
|
|
{ 114, "No Resource Available"},
|
|
{ 115, "Unspecified Failure"},
|
|
{ 116, "Network Optimisation"},
|
|
/* Non-standard Cause (129-->255) */
|
|
|
|
/* ranap_CauseRadioNetworkExtension ??
|
|
{ 257, "iP-multicast-address-and-APN-not-valid" },
|
|
{ 258, "mBMS-de-registration-rejected-due-to-implicit-registration" },
|
|
{ 259, "mBMS-request-superseded" },
|
|
{ 260, "mBMS-de-registration-during-session-not-allowed" },
|
|
{ 261, "mBMS-no-data-bearer-necessary" },
|
|
*/
|
|
|
|
{0, NULL}
|
|
};
|
|
static value_string_ext ranap_cause_type_ext = VALUE_STRING_EXT_INIT(ranap_cause_type);
|
|
|
|
static const value_string mm_sec_modep[] = {
|
|
{0, "Used cipher value, UMTS keys and Quintuplets"},
|
|
{1, "GSM key and triplets"},
|
|
{2, "UMTS key and quintuplets"},
|
|
{3, "GSM key and quintuplets"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string gtp_cipher_algorithm[] = {
|
|
{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}
|
|
};
|
|
static const value_string gtp_ext_rat_type_vals[] = {
|
|
{0, "Reserved"},
|
|
{1, "UTRAN"},
|
|
{2, "GERAN"},
|
|
{3, "WLAN"},
|
|
{4, "GAN"},
|
|
{5, "HSPA Evolution"},
|
|
{6, "EUTRAN (WB-E-UTRAN)"},
|
|
{7, "Virtual"},
|
|
{8, "EUTRAN-NB-IoT"},
|
|
{0, NULL}
|
|
};
|
|
static const value_string chg_rep_act_type_vals[] = {
|
|
{0, "Stop Reporting"},
|
|
{1, "Start Reporting CGI/SAI"},
|
|
{2, "Start Reporting RAI"},
|
|
{0, NULL}
|
|
};
|
|
|
|
#define MM_PROTO_GROUP_CALL_CONTROL 0x00
|
|
#define MM_PROTO_BROADCAST_CALL_CONTROL 0x01
|
|
#define MM_PROTO_PDSS1 0x02
|
|
#define MM_PROTO_CALL_CONTROL 0x03
|
|
#define MM_PROTO_PDSS2 0x04
|
|
#define MM_PROTO_MM_NON_GPRS 0x05
|
|
#define MM_PROTO_RR_MGMT 0x06
|
|
#define MM_PROTO_MM_GPRS 0x08
|
|
#define MM_PROTO_SMS 0x09
|
|
#define MM_PROTO_SESSION_MGMT 0x0A
|
|
#define MM_PROTO_NON_CALL_RELATED 0x0B
|
|
|
|
static void
|
|
gtpstat_init(struct register_srt* srt _U_, GArray* srt_array, srt_gui_init_cb gui_callback, void* gui_data)
|
|
{
|
|
srt_stat_table *gtp_srt_table;
|
|
|
|
gtp_srt_table = init_srt_table("GTP Requests", NULL, srt_array, 4, NULL, NULL, gui_callback, gui_data, NULL);
|
|
init_srt_table_row(gtp_srt_table, 0, "Echo");
|
|
init_srt_table_row(gtp_srt_table, 1, "Create PDP context");
|
|
init_srt_table_row(gtp_srt_table, 2, "Update PDP context");
|
|
init_srt_table_row(gtp_srt_table, 3, "Delete PDP context");
|
|
}
|
|
|
|
static int
|
|
gtpstat_packet(void *pss, packet_info *pinfo, epan_dissect_t *edt _U_, const void *prv)
|
|
{
|
|
guint i = 0;
|
|
srt_stat_table *gtp_srt_table;
|
|
srt_data_t *data = (srt_data_t *)pss;
|
|
const gtp_msg_hash_t *gtp=(const gtp_msg_hash_t *)prv;
|
|
int idx=0;
|
|
|
|
/* we are only interested in reply packets */
|
|
if(gtp->is_request){
|
|
return 0;
|
|
}
|
|
/* if we have not seen the request, just ignore it */
|
|
if(!gtp->req_frame){
|
|
return 0;
|
|
}
|
|
|
|
/* Only use the commands we know how to handle, this is not a comprehensive list */
|
|
/* Redoing the message indexing is bit reduntant, */
|
|
/* but using message type as such would yield a long gtp_srt_table. */
|
|
/* Only a fraction of the messages are matchable req/resp pairs, */
|
|
/* it just doesn't feel feasible. */
|
|
|
|
switch(gtp->msgtype){
|
|
case GTP_MSG_ECHO_REQ: idx=0;
|
|
break;
|
|
case GTP_MSG_CREATE_PDP_REQ: idx=1;
|
|
break;
|
|
case GTP_MSG_UPDATE_PDP_REQ: idx=2;
|
|
break;
|
|
case GTP_MSG_DELETE_PDP_REQ: idx=3;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
gtp_srt_table = g_array_index(data->srt_array, srt_stat_table*, i);
|
|
add_srt_table_data(gtp_srt_table, idx, >p->req_time, pinfo);
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
static dissector_handle_t ip_handle;
|
|
static dissector_handle_t ipv6_handle;
|
|
static dissector_handle_t ppp_handle;
|
|
static dissector_handle_t sync_handle;
|
|
static dissector_handle_t gtpcdr_handle;
|
|
static dissector_handle_t sndcpxid_handle;
|
|
static dissector_handle_t gtpv2_handle;
|
|
static dissector_handle_t bssgp_handle;
|
|
static dissector_table_t bssap_pdu_type_table;
|
|
guint32 gtp_session_count;
|
|
|
|
/* Relation between frame -> session */
|
|
GHashTable* session_table;
|
|
/* Relation between <teid,ip> -> frame */
|
|
wmem_tree_t* frame_tree;
|
|
|
|
typedef struct gtp_info {
|
|
guint32 teid;
|
|
guint32 frame;
|
|
} gtp_info_t;
|
|
|
|
/* GTP Session funcs*/
|
|
guint32
|
|
get_frame(address ip, guint32 teid, guint32 *frame) {
|
|
gboolean found = FALSE;
|
|
wmem_list_frame_t *elem;
|
|
gtp_info_t *info;
|
|
wmem_list_t *info_list;
|
|
gchar *ip_str;
|
|
|
|
/* First we get the teid list*/
|
|
ip_str = address_to_str(wmem_packet_scope(), &ip);
|
|
info_list = (wmem_list_t*)wmem_tree_lookup_string(frame_tree, ip_str, 0);
|
|
if (info_list != NULL) {
|
|
elem = wmem_list_head(info_list);
|
|
while (!found && elem) {
|
|
info = (gtp_info_t*)wmem_list_frame_data(elem);
|
|
if (teid == info->teid) {
|
|
*frame = info->frame;
|
|
return 1;
|
|
}
|
|
elem = wmem_list_frame_next(elem);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
call_foreach_ip(const void *key _U_, void *value, void *data){
|
|
wmem_list_frame_t * elem;
|
|
wmem_list_t *info_list = (wmem_list_t *)value;
|
|
gtp_info_t *info;
|
|
guint32* frame = (guint32*)data;
|
|
|
|
/* We loop over the <teid, frame> list */
|
|
elem = wmem_list_head(info_list);
|
|
while (elem) {
|
|
info = (gtp_info_t*)wmem_list_frame_data(elem);
|
|
if (info->frame == *frame) {
|
|
wmem_list_frame_t * del = elem;
|
|
/* proceed to next request */
|
|
elem = wmem_list_frame_next(elem);
|
|
/* If we find the frame we remove its information from the list */
|
|
wmem_list_remove_frame(info_list, del);
|
|
wmem_free(wmem_file_scope(), info);
|
|
}
|
|
else {
|
|
elem = wmem_list_frame_next(elem);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
remove_frame_info(guint32 *f) {
|
|
/* For each ip node */
|
|
wmem_tree_foreach(frame_tree, (wmem_foreach_func)call_foreach_ip, (void *)f);
|
|
}
|
|
|
|
void
|
|
add_gtp_session(guint32 frame, guint32 session) {
|
|
guint32 *f, *session_count;
|
|
|
|
f = wmem_new0(wmem_file_scope(), guint32);
|
|
session_count = wmem_new0(wmem_file_scope(), guint32);
|
|
*f = frame;
|
|
*session_count = session;
|
|
g_hash_table_insert(session_table, f, session_count);
|
|
}
|
|
|
|
gboolean
|
|
teid_exists(guint32 teid, wmem_list_t *teid_list) {
|
|
wmem_list_frame_t *elem;
|
|
guint32 *info;
|
|
gboolean found;
|
|
found = FALSE;
|
|
elem = wmem_list_head(teid_list);
|
|
while (!found && elem) {
|
|
info = (guint32*)wmem_list_frame_data(elem);
|
|
found = *info == teid;
|
|
elem = wmem_list_frame_next(elem);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
gboolean
|
|
ip_exists(address ip, wmem_list_t *ip_list) {
|
|
wmem_list_frame_t *elem;
|
|
address *info;
|
|
gboolean found;
|
|
found = FALSE;
|
|
elem = wmem_list_head(ip_list);
|
|
while (!found && elem) {
|
|
info = (address*)wmem_list_frame_data(elem);
|
|
found = addresses_equal(info, &ip);
|
|
elem = wmem_list_frame_next(elem);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
static gboolean
|
|
info_exists(gtp_info_t *wanted, wmem_list_t *info_list) {
|
|
wmem_list_frame_t *elem;
|
|
gtp_info_t *info;
|
|
gboolean found;
|
|
found = FALSE;
|
|
elem = wmem_list_head(info_list);
|
|
while (!found && elem) {
|
|
info = (gtp_info_t*)wmem_list_frame_data(elem);
|
|
found = wanted->teid == info->teid;
|
|
elem = wmem_list_frame_next(elem);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
void
|
|
fill_map(wmem_list_t *teid_list, wmem_list_t *ip_list, guint32 frame) {
|
|
wmem_list_frame_t *elem_ip, *elem_teid;
|
|
gtp_info_t *gtp_info;
|
|
wmem_list_t * info_list; /* List of <teids,frames>*/
|
|
guint32 *f, *session, *fr, *session_count;
|
|
GHashTableIter iter;
|
|
guint32 teid;
|
|
gchar *ip;
|
|
|
|
elem_ip = wmem_list_head(ip_list);
|
|
while (elem_ip) {
|
|
ip = address_to_str(wmem_file_scope(), (address*)wmem_list_frame_data(elem_ip));
|
|
/* We check if a teid list exists for this ip */
|
|
info_list = (wmem_list_t*)wmem_tree_lookup_string(frame_tree, ip, 0);
|
|
if (info_list == NULL) {
|
|
info_list = wmem_list_new(wmem_file_scope());
|
|
}
|
|
/* We loop over the teid list */
|
|
elem_teid = wmem_list_head(teid_list);
|
|
while (elem_teid) {
|
|
teid = *(guint32*)wmem_list_frame_data(elem_teid);
|
|
f = wmem_new0(wmem_file_scope(), guint32);
|
|
*f = frame;
|
|
gtp_info = wmem_new0(wmem_file_scope(), gtp_info_t);
|
|
gtp_info->teid = teid;
|
|
gtp_info->frame = *f;
|
|
if (info_exists(gtp_info, info_list)) {
|
|
/* If the teid and ip already existed, that means that we need to remove old info about that session */
|
|
/* We look for its session ID */
|
|
session = (guint32 *)g_hash_table_lookup(session_table, f);
|
|
if (session) {
|
|
g_hash_table_iter_init(&iter, session_table);
|
|
while (g_hash_table_iter_next(&iter, (gpointer*)&fr, (gpointer*)&session_count)) {
|
|
/* If the msg has the same session ID and it's not the upd req we have to remove its info */
|
|
if (*session_count == *session) {
|
|
/* If it's the session we are looking for, we remove all the frame information */
|
|
remove_frame_info(fr);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
wmem_list_prepend(info_list, gtp_info);
|
|
elem_teid = wmem_list_frame_next(elem_teid);
|
|
}
|
|
wmem_tree_insert_string(frame_tree, ip, info_list, 0);
|
|
elem_ip = wmem_list_frame_next(elem_ip);
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
is_cause_accepted(guint8 cause, guint32 version) {
|
|
if (version == 1) {
|
|
return cause == 128;
|
|
}
|
|
else if (version == 2) {
|
|
return cause == 16;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static int decode_gtp_cause(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args);
|
|
static int decode_gtp_imsi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rai(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_tlli(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ptmsi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_qos_gprs(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_reorder(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_auth_tri(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_map_cause(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ptmsi_sig(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ms_valid(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_recovery(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_sel_mode(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_16(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args);
|
|
static int decode_gtp_17(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args);
|
|
static int decode_gtp_18(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_19(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ranap_cause(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rab_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rp_sms(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rp(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_pkt_flow_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_chrg_char(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_trace_ref(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_trace_type(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ms_reason(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_tr_comm(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_chrg_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_user_addr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mm_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_pdp_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_apn(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_gsn_addr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args);
|
|
static int decode_gtp_proto_conf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_msisdn(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_qos_umts(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_auth_qui(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_tft(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_target_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_utran_cont(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rab_setup(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_hdr_list(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_trigger_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_omc_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
|
|
static int decode_gtp_ran_tr_cont(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_pdp_cont_prio(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_add_rab_setup_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ssgn_no(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_common_flgs(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_apn_res(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ra_prio_lcs(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rat_type(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_usr_loc_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ms_time_zone(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_imeisv(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_camel_chg_inf_con(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_ue_ctx(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_tmgi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rim_ra(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_prot_conf_opt(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_sa(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_src_rnc_pdp_ctx_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_add_trs_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_hop_count(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_sel_plmn_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_ses_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_2g_3g_ind(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_enh_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_ses_dur(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_add_mbms_trs_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_ses_id_rep_no(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_time_to_data_tr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ps_ho_req_ctx(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_bss_cont(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_cell_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_pdu_no(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_bssgp_cause(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_bearer_cap(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rim_ra_disc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_lst_set_up_pfc(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ps_handover_xid(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_direct_tnl_flg(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ms_inf_chg_rep_act(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_corrl_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_fqdn(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_evolved_allc_rtn_p1(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_evolved_allc_rtn_p2(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_extended_common_flgs(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_uci(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_csg_inf_rep_act(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_csg_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_cmi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_apn_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ue_network_cap(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ue_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_apn_ambr_with_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ggsn_back_off_time(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_sig_pri_ind(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_sig_pri_ind_w_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_higher_br_16mb_flg(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_max_mbr_apn_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_add_mm_ctx_srvcc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_add_flgs_srvcc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_stn_sr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_c_msisdn(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_ranap_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_enodeb_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_sel_mode_w_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_uli_timestamp(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_lhn_id_w_sapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_ext_cn_op_sel_entity(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_bearer_cntrl_mod(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_flow_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_ip_mcast_dist(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_mbms_dist_ack(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_reliable_irat_ho_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rfsp_index(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_);
|
|
|
|
static int decode_gtp_chrg_addr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_rel_pack(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_can_pack(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_data_req(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_data_resp(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_node_addr(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_priv_ext(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
static int decode_gtp_unknown(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_);
|
|
|
|
typedef struct _gtp_opt {
|
|
int optcode;
|
|
int (*decode) (tvbuff_t *, int, packet_info *, proto_tree *, session_args_t *);
|
|
} gtp_opt_t;
|
|
|
|
static const gtp_opt_t gtpopt[] = {
|
|
/* 0x01 */ {GTP_EXT_CAUSE, decode_gtp_cause},
|
|
/* 0x02 */ {GTP_EXT_IMSI, decode_gtp_imsi},
|
|
/* 0x03 */ {GTP_EXT_RAI, decode_gtp_rai},
|
|
/* 0x04 */ {GTP_EXT_TLLI, decode_gtp_tlli},
|
|
/* 0x05 */ {GTP_EXT_PTMSI, decode_gtp_ptmsi},
|
|
/* 0x06 */ {GTP_EXT_QOS_GPRS, decode_gtp_qos_gprs},
|
|
/* 0x07 */
|
|
/* 0x08 */ {GTP_EXT_REORDER, decode_gtp_reorder},
|
|
/* 0x09 */ {GTP_EXT_AUTH_TRI, decode_gtp_auth_tri},
|
|
/* 0x0a */
|
|
/* 0x0b */ {GTP_EXT_MAP_CAUSE, decode_gtp_map_cause},
|
|
/* 0x0c */ {GTP_EXT_PTMSI_SIG, decode_gtp_ptmsi_sig},
|
|
/* 0x0d */ {GTP_EXT_MS_VALID, decode_gtp_ms_valid},
|
|
/* 0x0e */ {GTP_EXT_RECOVER, decode_gtp_recovery},
|
|
/* 0x0f */ {GTP_EXT_SEL_MODE, decode_gtp_sel_mode},
|
|
/* 0x10 */ {GTP_EXT_16, decode_gtp_16},
|
|
/* 0x11 */ {GTP_EXT_17, decode_gtp_17},
|
|
/* 0x12 */ {GTP_EXT_18, decode_gtp_18},
|
|
/* 0x13 */ {GTP_EXT_19, decode_gtp_19},
|
|
/* 0x14 */ {GTP_EXT_NSAPI, decode_gtp_nsapi},
|
|
/* 0x15 */ {GTP_EXT_RANAP_CAUSE, decode_gtp_ranap_cause},
|
|
/* 0x16 */ {GTP_EXT_RAB_CNTXT, decode_gtp_rab_cntxt},
|
|
/* 0x17 */ {GTP_EXT_RP_SMS, decode_gtp_rp_sms},
|
|
/* 0x18 */ {GTP_EXT_RP, decode_gtp_rp},
|
|
/* 0x19 */ {GTP_EXT_PKT_FLOW_ID, decode_gtp_pkt_flow_id},
|
|
/* 0x1a */ {GTP_EXT_CHRG_CHAR, decode_gtp_chrg_char},
|
|
/* 0x1b */ {GTP_EXT_TRACE_REF, decode_gtp_trace_ref},
|
|
/* 0x1c */ {GTP_EXT_TRACE_TYPE, decode_gtp_trace_type},
|
|
/* 0x1d */ {GTPv1_EXT_MS_REASON, decode_gtp_ms_reason},
|
|
|
|
/* 0x7e */ {GTP_EXT_TR_COMM, decode_gtp_tr_comm},
|
|
/* 0x7f */ {GTP_EXT_CHRG_ID, decode_gtp_chrg_id},
|
|
/* 0x80 */ {GTP_EXT_USER_ADDR, decode_gtp_user_addr},
|
|
/* 0x81 */ {GTP_EXT_MM_CNTXT, decode_gtp_mm_cntxt},
|
|
/* 0x82 */ {GTP_EXT_PDP_CNTXT, decode_gtp_pdp_cntxt},
|
|
/* 0x83 */ {GTP_EXT_APN, decode_gtp_apn},
|
|
/* 0x84 */ {GTP_EXT_PROTO_CONF, decode_gtp_proto_conf},
|
|
/* 0x85 */ {GTP_EXT_GSN_ADDR, decode_gtp_gsn_addr},
|
|
/* 0x86 */ {GTP_EXT_MSISDN, decode_gtp_msisdn},
|
|
/* 0x87 */ {GTP_EXT_QOS_UMTS, decode_gtp_qos_umts}, /* 3G */
|
|
/* 0x88 */ {GTP_EXT_AUTH_QUI, decode_gtp_auth_qui}, /* 3G */
|
|
/* 0x89 */ {GTP_EXT_TFT, decode_gtp_tft}, /* 3G */
|
|
/* 0x8a */ {GTP_EXT_TARGET_ID, decode_gtp_target_id}, /* 3G */
|
|
/* 0x8b */ {GTP_EXT_UTRAN_CONT, decode_gtp_utran_cont}, /* 3G */
|
|
/* 0x8c */ {GTP_EXT_RAB_SETUP, decode_gtp_rab_setup}, /* 3G */
|
|
/* 0x8d */ {GTP_EXT_HDR_LIST, decode_gtp_hdr_list}, /* 3G */
|
|
/* 0x8e */ {GTP_EXT_TRIGGER_ID, decode_gtp_trigger_id}, /* 3G */
|
|
/* 0x8f */ {GTP_EXT_OMC_ID, decode_gtp_omc_id}, /* 3G */
|
|
/* TS 29 060 V6.11.0 */
|
|
/* 0x90 */ {GTP_EXT_RAN_TR_CONT, decode_gtp_ran_tr_cont}, /* 7.7.43 */
|
|
/* 0x91 */ {GTP_EXT_PDP_CONT_PRIO, decode_gtp_pdp_cont_prio}, /* 7.7.45 */
|
|
/* 0x92 */ {GTP_EXT_ADD_RAB_SETUP_INF, decode_gtp_add_rab_setup_inf}, /* 7.7.45A */
|
|
/* 0x93 */ {GTP_EXT_SSGN_NO, decode_gtp_ssgn_no}, /* 7.7.47 */
|
|
/* 0x94 */ {GTP_EXT_COMMON_FLGS, decode_gtp_common_flgs}, /* 7.7.48 */
|
|
/* 0x95 */ {GTP_EXT_APN_RES, decode_gtp_apn_res}, /* 3G */
|
|
/* 0x96 */ {GTP_EXT_RA_PRIO_LCS, decode_gtp_ra_prio_lcs}, /* 7.7.25B */
|
|
/* 0x97 */ {GTP_EXT_RAT_TYPE, decode_gtp_rat_type}, /* 3G */
|
|
/* 0x98 */ {GTP_EXT_USR_LOC_INF, decode_gtp_usr_loc_inf}, /* 7.7.51 */
|
|
/* 0x99 */ {GTP_EXT_MS_TIME_ZONE, decode_gtp_ms_time_zone}, /* 7.7.52 */
|
|
/* 0x9a */ {GTP_EXT_IMEISV, decode_gtp_imeisv}, /* 3G 7.7.53 */
|
|
/* 0x9b */ {GTP_EXT_CAMEL_CHG_INF_CON, decode_gtp_camel_chg_inf_con}, /* 7.7.54 */
|
|
/* 0x9c */ {GTP_EXT_MBMS_UE_CTX, decode_gtp_mbms_ue_ctx}, /* 7.7.55 */
|
|
/* 0x9d */ {GTP_EXT_TMGI, decode_gtp_tmgi}, /* 7.7.56 */
|
|
/* 0x9e */ {GTP_EXT_RIM_RA, decode_gtp_rim_ra}, /* 7.7.57 */
|
|
/* 0x9f */ {GTP_EXT_MBMS_PROT_CONF_OPT, decode_gtp_mbms_prot_conf_opt}, /* 7.7.58 */
|
|
/* 0xa0 */ {GTP_EXT_MBMS_SA, decode_gtp_mbms_sa}, /* 7.7.60 */
|
|
/* 0xa1 */ {GTP_EXT_SRC_RNC_PDP_CTX_INF, decode_gtp_src_rnc_pdp_ctx_inf}, /* 7.7.61 */
|
|
/* 0xa2 */ {GTP_EXT_ADD_TRS_INF, decode_gtp_add_trs_inf}, /* 7.7.62 */
|
|
/* 0xa3 */ {GTP_EXT_HOP_COUNT, decode_gtp_hop_count}, /* 7.7.63 */
|
|
/* 0xa4 */ {GTP_EXT_SEL_PLMN_ID, decode_gtp_sel_plmn_id}, /* 7.7.64 */
|
|
/* 0xa5 */ {GTP_EXT_MBMS_SES_ID, decode_gtp_mbms_ses_id}, /* 7.7.65 */
|
|
/* 0xa6 */ {GTP_EXT_MBMS_2G_3G_IND, decode_gtp_mbms_2g_3g_ind}, /* 7.7.66 */
|
|
/* 0xa7 */ {GTP_EXT_ENH_NSAPI, decode_gtp_enh_nsapi}, /* 7.7.67 */
|
|
/* 0xa8 */ {GTP_EXT_MBMS_SES_DUR, decode_gtp_mbms_ses_dur}, /* 7.7.59 */
|
|
/* 0xa9 */ {GTP_EXT_ADD_MBMS_TRS_INF, decode_gtp_add_mbms_trs_inf}, /* 7.7.68 */
|
|
/* 0xaa */ {GTP_EXT_MBMS_SES_ID_REP_NO, decode_gtp_mbms_ses_id_rep_no}, /* 7.7.69 */
|
|
/* 0xab */ {GTP_EXT_MBMS_TIME_TO_DATA_TR, decode_gtp_mbms_time_to_data_tr}, /* 7.7.70 */
|
|
/* 0xac */ {GTP_EXT_PS_HO_REQ_CTX, decode_gtp_ps_ho_req_ctx}, /* 7.7.71 */
|
|
/* 0xad */ {GTP_EXT_BSS_CONT, decode_gtp_bss_cont}, /* 7.7.72 */
|
|
/* 0xae */ {GTP_EXT_CELL_ID, decode_gtp_cell_id}, /* 7.7.73 */
|
|
/* 0xaf */ {GTP_EXT_PDU_NO, decode_gtp_pdu_no}, /* 7.7.74 */
|
|
/* 0xb0 */ {GTP_EXT_BSSGP_CAUSE, decode_gtp_bssgp_cause}, /* 7.7.75 */
|
|
/* 0xb1 */ {GTP_EXT_REQ_MBMS_BEARER_CAP, decode_gtp_mbms_bearer_cap}, /* 7.7.76 */
|
|
/* 0xb2 */ {GTP_EXT_RIM_ROUTING_ADDR_DISC, decode_gtp_rim_ra_disc}, /* 7.7.77 */
|
|
/* 0xb3 */ {GTP_EXT_LIST_OF_SETUP_PFCS, decode_gtp_lst_set_up_pfc}, /* 7.7.78 */
|
|
/* 0xb4 */ {GTP_EXT_PS_HANDOVER_XIP_PAR, decode_gtp_ps_handover_xid}, /* 7.7.79 */
|
|
/* 0xb5 */ {GTP_EXT_MS_INF_CHG_REP_ACT, decode_gtp_ms_inf_chg_rep_act}, /* 7.7.80 */
|
|
/* 0xb6 */ {GTP_EXT_DIRECT_TUNNEL_FLGS, decode_gtp_direct_tnl_flg}, /* 7.7.81 */
|
|
/* 0xb7 */ {GTP_EXT_CORRELATION_ID, decode_gtp_corrl_id}, /* 7.7.82 */
|
|
/* 0xb8 */ {GTP_EXT_BEARER_CONTROL_MODE, decode_gtp_bearer_cntrl_mod}, /* 7.7.83 */
|
|
/* 0xb9 */ {GTP_EXT_MBMS_FLOW_ID, decode_gtp_mbms_flow_id}, /* 7.7.84 */
|
|
/* 0xba */ {GTP_EXT_MBMS_IP_MCAST_DIST, decode_gtp_mbms_ip_mcast_dist}, /* 7.7.85 */
|
|
/* 0xba */ {GTP_EXT_MBMS_DIST_ACK, decode_gtp_mbms_dist_ack}, /* 7.7.86 */
|
|
/* 0xbc */ {GTP_EXT_RELIABLE_IRAT_HO_INF, decode_gtp_reliable_irat_ho_inf}, /* 7.7.87 */
|
|
/* 0xbd */ {GTP_EXT_RFSP_INDEX, decode_gtp_rfsp_index}, /* 7.7.87 */
|
|
|
|
/* 0xbe */ {GTP_EXT_FQDN, decode_gtp_fqdn}, /* 7.7.90 */
|
|
/* 0xbf */ {GTP_EXT_EVO_ALLO_RETE_P1, decode_gtp_evolved_allc_rtn_p1}, /* 7.7.91 */
|
|
/* 0xc0 */ {GTP_EXT_EVO_ALLO_RETE_P2, decode_gtp_evolved_allc_rtn_p2}, /* 7.7.92 */
|
|
/* 0xc1 */ {GTP_EXT_EXTENDED_COMMON_FLGS, decode_gtp_extended_common_flgs}, /* 7.7.93 */
|
|
/* 0xc2 */ {GTP_EXT_UCI, decode_gtp_uci}, /* 7.7.94 */
|
|
/* 0xc3 */ {GTP_EXT_CSG_INF_REP_ACT, decode_gtp_csg_inf_rep_act}, /* 7.7.95 */
|
|
/* 0xc4 */ {GTP_EXT_CSG_ID, decode_gtp_csg_id}, /* 7.7.96 */
|
|
/* 0xc5 */ {GTP_EXT_CMI, decode_gtp_cmi}, /* 7.7.97 */
|
|
/* 0xc6 */ {GTP_EXT_AMBR, decode_gtp_apn_ambr}, /* 7.7.98 */
|
|
/* 0xc7 */ {GTP_EXT_UE_NETWORK_CAP, decode_gtp_ue_network_cap}, /* 7.7.99 */
|
|
/* 0xc8 */ {GTP_EXT_UE_AMBR, decode_gtp_ue_ambr}, /* 7.7.100 */
|
|
/* 0xc9 */ {GTP_EXT_APN_AMBR_WITH_NSAPI, decode_gtp_apn_ambr_with_nsapi}, /* 7.7.101 */
|
|
/* 0xCA */ {GTP_EXT_GGSN_BACK_OFF_TIME, decode_gtp_ggsn_back_off_time}, /* 7.7.102 */
|
|
/* 0xCB */ {GTP_EXT_SIG_PRI_IND, decode_gtp_sig_pri_ind}, /* 7.7.103 */
|
|
/* 0xCC */ {GTP_EXT_SIG_PRI_IND_W_NSAPI, decode_gtp_sig_pri_ind_w_nsapi}, /* 7.7.104 */
|
|
/* 0xCD */ {GTP_EXT_HIGHER_BR_16MB_FLG, decode_gtp_higher_br_16mb_flg}, /* 7.7.105 */
|
|
/* 0xCE */ {GTP_EXT_MAX_MBR_APN_AMBR, decode_gtp_max_mbr_apn_ambr}, /* 7.7.106 */
|
|
/* 0xCF */ {GTP_EXT_ADD_MM_CTX_SRVCC, decode_gtp_add_mm_ctx_srvcc}, /* 7.7.107 */
|
|
/* 0xD0 */ {GTP_EXT_ADD_FLGS_SRVCC, decode_gtp_add_flgs_srvcc}, /* 7.7.108 */
|
|
/* 0xD1 */ {GTP_EXT_STN_SR, decode_gtp_stn_sr}, /* 7.7.109 */
|
|
/* 0xD2 */ {GTP_EXT_C_MSISDN, decode_gtp_c_msisdn}, /* 7.7.110 */
|
|
/* 0xD3 */ {GTP_EXT_EXT_RANAP_CAUSE, decode_gtp_ext_ranap_cause}, /* 7.7.111 */
|
|
/* 0xD4 */ {GTP_EXT_ENODEB_ID, decode_gtp_ext_enodeb_id }, /* 7.7.112 */
|
|
/* 0xD5 */ {GTP_EXT_SEL_MODE_W_NSAPI, decode_gtp_ext_sel_mode_w_nsapi }, /* 7.7.113 */
|
|
/* 0xD6 */ {GTP_EXT_ULI_TIMESTAMP, decode_gtp_ext_uli_timestamp }, /* 7.7.114 */
|
|
/* 0xD7 */ {GTP_EXT_LHN_ID_W_SAPI, decode_gtp_ext_lhn_id_w_sapi }, /* 7.7.115 */
|
|
/* 0xD8 */ {GTP_EXT_CN_OP_SEL_ENTITY, decode_gtp_ext_cn_op_sel_entity }, /* 7.7.116 */
|
|
/* 0xf9 */ {GTP_EXT_REL_PACK, decode_gtp_rel_pack }, /* charging */
|
|
/* 0xfa */ {GTP_EXT_CAN_PACK, decode_gtp_can_pack}, /* charging */
|
|
/* 0xfb */ {GTP_EXT_CHRG_ADDR, decode_gtp_chrg_addr},
|
|
|
|
/* 0xfc */ {GTP_EXT_DATA_REQ, decode_gtp_data_req}, /* charging */
|
|
/* 0xfd */ {GTP_EXT_DATA_RESP, decode_gtp_data_resp}, /* charging */
|
|
/* 0xfe */ {GTP_EXT_NODE_ADDR, decode_gtp_node_addr},
|
|
/* 0xff */ {GTP_EXT_PRIV_EXT, decode_gtp_priv_ext},
|
|
{0, decode_gtp_unknown}
|
|
};
|
|
|
|
#define NUM_GTP_IES 255
|
|
static gint ett_gtp_ies[NUM_GTP_IES];
|
|
|
|
static guint8 gtp_version = 0;
|
|
|
|
#define BCD2CHAR(d) ((d) | 0x30)
|
|
|
|
static gchar *
|
|
id_to_str(tvbuff_t *tvb, gint offset)
|
|
{
|
|
static gchar str[17] = " ";
|
|
guint8 bits8to5, bits4to1;
|
|
int i, j;
|
|
guint8 ad;
|
|
|
|
for (i = j = 0; i < 8; i++) {
|
|
ad = tvb_get_guint8(tvb, offset + i);
|
|
bits8to5 = hi_nibble(ad);
|
|
bits4to1 = lo_nibble(ad);
|
|
if (bits4to1 <= 9)
|
|
str[j++] = BCD2CHAR(bits4to1);
|
|
else
|
|
str[j++] = ' ';
|
|
if (bits8to5 <= 9)
|
|
str[j++] = BCD2CHAR(bits8to5);
|
|
else
|
|
str[j++] = ' ';
|
|
}
|
|
str[j] = '\0';
|
|
return str;
|
|
}
|
|
|
|
|
|
/* Next definitions and function check_field_presence checks if given field
|
|
* in GTP packet is compliant with ETSI
|
|
*/
|
|
typedef struct _header {
|
|
guint8 code;
|
|
guint8 presence;
|
|
} ext_header;
|
|
|
|
typedef struct _message {
|
|
guint8 code;
|
|
ext_header fields[32];
|
|
} _gtp_mess_items;
|
|
|
|
/* ---------------------
|
|
* GPRS messages
|
|
* ---------------------*/
|
|
static _gtp_mess_items gprs_mess_items[] = {
|
|
|
|
{
|
|
GTP_MSG_ECHO_REQ, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ECHO_RESP, {
|
|
{GTP_EXT_RECOVER, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_VER_NOT_SUPP, {
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_REQ, {
|
|
{GTP_EXT_NODE_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_RESP, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_NODE_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_REQ, {
|
|
{GTP_EXT_QOS_GPRS, GTP_MANDATORY},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_SEL_MODE, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_LABEL, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_SIG, GTP_MANDATORY},
|
|
{GTP_EXT_MSISDN, GTP_MANDATORY},
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_APN, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_QOS_GPRS, GTP_CONDITIONAL},
|
|
{GTP_EXT_REORDER, GTP_CONDITIONAL},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL},
|
|
{GTP_EXT_FLOW_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL},
|
|
{GTP_EXT_USER_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_UPDATE_PDP_REQ, {
|
|
{GTP_EXT_QOS_GPRS, GTP_MANDATORY},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_FLOW_LABEL, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_SIG, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0},
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_UPDATE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_QOS_GPRS, GTP_CONDITIONAL},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL},
|
|
{GTP_EXT_FLOW_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_REQ, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0},
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ, {
|
|
{GTP_EXT_QOS_GPRS, GTP_MANDATORY},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_SEL_MODE, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_LABEL, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_SIG, GTP_MANDATORY},
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_APN, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_QOS_GPRS, GTP_CONDITIONAL},
|
|
{GTP_EXT_REORDER, GTP_CONDITIONAL},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_FLOW_LABEL, GTP_CONDITIONAL},
|
|
{GTP_EXT_FLOW_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL},
|
|
{GTP_EXT_USER_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_AA_PDP_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_AA_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ERR_IND, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REQ, {
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_MAP_CAUSE, GTP_OPTIONAL},
|
|
{GTP_EXT_MS_REASON, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_MAP_CAUSE, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_REQ, {
|
|
{GTP_EXT_RAI, GTP_MANDATORY},
|
|
{GTP_EXT_PTMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PTMSI_SIG, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_AUTH_TRI, GTP_OPTIONAL},
|
|
{GTP_EXT_AUTH_QUI, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_RAI, GTP_MANDATORY},
|
|
{GTP_EXT_TLLI, GTP_MANDATORY},
|
|
{GTP_EXT_PTMSI_SIG, GTP_OPTIONAL},
|
|
{GTP_EXT_MS_VALID, GTP_OPTIONAL},
|
|
{GTP_EXT_FLOW_SIG, GTP_MANDATORY},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_FLOW_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_MM_CNTXT, GTP_CONDITIONAL},
|
|
{GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_ACK, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_FLOW_II, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DATA_TRANSF_REQ, {
|
|
{GTP_EXT_TR_COMM, GTP_MANDATORY},
|
|
{GTP_EXT_DATA_REQ, GTP_CONDITIONAL},
|
|
{GTP_EXT_REL_PACK, GTP_CONDITIONAL},
|
|
{GTP_EXT_CAN_PACK, GTP_CONDITIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DATA_TRANSF_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_DATA_RESP, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
0, {
|
|
{0, 0}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* -----------------------------
|
|
* UMTS messages
|
|
* -----------------------------*/
|
|
static _gtp_mess_items umts_mess_items[] = {
|
|
/* 7.2 Path Management Messages */
|
|
{
|
|
GTP_MSG_ECHO_REQ, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ECHO_RESP, {
|
|
{GTP_EXT_RECOVER, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_VER_NOT_SUPP, {
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SUPP_EXT_HDR, {
|
|
{GTP_EXT_HDR_LIST, GTP_MANDATORY},
|
|
{0, 0}
|
|
}
|
|
},
|
|
/* ??? */
|
|
{
|
|
GTP_MSG_NODE_ALIVE_REQ, {
|
|
{GTP_EXT_NODE_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_NODE_ALIVE_RESP, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_NODE_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_REDIR_REQ, {
|
|
{0, 0}
|
|
}
|
|
},
|
|
/* 7.3 Tunnel Management Messages */
|
|
{
|
|
GTP_MSG_CREATE_PDP_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
/* RAI is in TS 29.060 V6.11.0 */
|
|
{GTP_EXT_RAI, GTP_OPTIONAL}, /* Routeing Area Identity (RAI) Optional 7.7.3 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_SEL_MODE, GTP_CONDITIONAL},
|
|
{GTP_EXT_TEID, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_NSAPI, GTP_MANDATORY},
|
|
{GTP_EXT_NSAPI, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_CHAR, GTP_OPTIONAL},
|
|
{GTP_EXT_TRACE_REF, GTP_OPTIONAL},
|
|
{GTP_EXT_TRACE_TYPE, GTP_OPTIONAL},
|
|
{GTP_EXT_USER_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_APN, GTP_CONDITIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_MSISDN, GTP_CONDITIONAL},
|
|
{GTP_EXT_QOS_UMTS, GTP_MANDATORY},
|
|
{GTP_EXT_TFT, GTP_CONDITIONAL},
|
|
{GTP_EXT_TRIGGER_ID, GTP_OPTIONAL},
|
|
{GTP_EXT_OMC_ID, GTP_OPTIONAL},
|
|
/* TS 29.060 V6.11.0 */
|
|
{GTP_EXT_APN_RES, GTP_OPTIONAL},
|
|
{GTP_EXT_RAT_TYPE, GTP_OPTIONAL},
|
|
{GTP_EXT_USR_LOC_INF, GTP_OPTIONAL},
|
|
{GTP_EXT_MS_TIME_ZONE, GTP_OPTIONAL},
|
|
{GTP_EXT_IMEISV, GTP_OPTIONAL},
|
|
{GTP_EXT_CAMEL_CHG_INF_CON, GTP_OPTIONAL},
|
|
{GTP_EXT_ADD_TRS_INF, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_CREATE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_REORDER, GTP_CONDITIONAL},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_TEID, GTP_CONDITIONAL},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_NSAPI, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL},
|
|
{GTP_EXT_USER_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_QOS_UMTS, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL},
|
|
/* TS 29.060 V6.11.0 */
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Alternative Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_COMMON_FLGS, GTP_OPTIONAL}, /* Common Flags Optional 7.7.48 */
|
|
{GTP_EXT_APN_RES, GTP_OPTIONAL}, /* APN Restriction Optional 7.7.49 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{ /* checked, SGSN -> GGSN */
|
|
GTP_MSG_UPDATE_PDP_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_RAI, GTP_OPTIONAL}, /* Routeing Area Identity (RAI) Optional 7.7.3 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_TEID, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_NSAPI, GTP_MANDATORY},
|
|
{GTP_EXT_TRACE_REF, GTP_OPTIONAL},
|
|
{GTP_EXT_TRACE_TYPE, GTP_OPTIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* SGSN Address for Control Plane Mandatory GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* SGSN Address for User Traffic Mandatory GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* Alternative SGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* Alternative SGSN Address for User Traffic Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_QOS_UMTS, GTP_MANDATORY},
|
|
{GTP_EXT_TFT, GTP_OPTIONAL},
|
|
{GTP_EXT_TRIGGER_ID, GTP_OPTIONAL},
|
|
{GTP_EXT_OMC_ID, GTP_OPTIONAL},
|
|
{GTP_EXT_COMMON_FLGS, GTP_OPTIONAL}, /* Common Flags Optional 7.7.48 */
|
|
{GTP_EXT_RAT_TYPE, GTP_OPTIONAL}, /* RAT Type Optional 7.7.50 */
|
|
{GTP_EXT_USR_LOC_INF, GTP_OPTIONAL}, /* User Location Information Optional 7.7.51 */
|
|
{GTP_EXT_MS_TIME_ZONE, GTP_OPTIONAL}, /* MS Time Zone Optional 7.7.52 */
|
|
{GTP_EXT_ADD_TRS_INF, GTP_OPTIONAL}, /* Additonal Trace Info Optional 7.7.62 */
|
|
{GTP_EXT_DIRECT_TUNNEL_FLGS, GTP_OPTIONAL}, /* Direct Tunnel Flags 7.7.81 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{ /* checked, GGSN -> SGSN */
|
|
GTP_MSG_UPDATE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL},
|
|
{GTP_EXT_TEID, GTP_CONDITIONAL},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* Alternative SGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* Alternative SGSN Address for User Traffic Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_QOS_UMTS, GTP_CONDITIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Alternative Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{GTP_EXT_COMMON_FLGS, GTP_OPTIONAL}, /* Common Flags Optional 7.7.48 */
|
|
{GTP_EXT_APN_RES, GTP_OPTIONAL}, /* APN Restriction Optional 7.7.49 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_REQ, {
|
|
{GTP_EXT_TEAR_IND, GTP_CONDITIONAL},
|
|
{GTP_EXT_NSAPI, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_DELETE_PDP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_ERR_IND, {
|
|
{GTP_EXT_TEID, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* GSN Address Mandatory 7.7.32 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY},
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_APN, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY},
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_APN, GTP_MANDATORY},
|
|
{GTP_EXT_PROTO_CONF, GTP_OPTIONAL}, /* Protocol Configuration Options Optional 7.7.31 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_PDU_NOTIFY_REJ_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
/* 7.4 Location Management Messages */
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SEND_ROUT_INFO_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_MAP_CAUSE, GTP_OPTIONAL},
|
|
{GTPv1_EXT_MS_REASON, GTP_OPTIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FAIL_REP_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_MAP_CAUSE, GTP_OPTIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_MS_PRESENT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
/* 7.5 Mobility Management Messages */
|
|
{
|
|
GTP_MSG_IDENT_REQ, {
|
|
{GTP_EXT_RAI, GTP_MANDATORY},
|
|
{GTP_EXT_PTMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PTMSI_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* SGSN Address for Control Plane Optional 7.7.32 */
|
|
{GTP_EXT_HOP_COUNT, GTP_OPTIONAL}, /* Hop Counter Optional 7.7.63 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_IDENT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_AUTH_TRI, GTP_CONDITIONAL},
|
|
{GTP_EXT_AUTH_QUI, GTP_CONDITIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_RAI, GTP_MANDATORY},
|
|
{GTP_EXT_TLLI, GTP_CONDITIONAL},
|
|
{GTP_EXT_PTMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_PTMSI_SIG, GTP_CONDITIONAL},
|
|
{GTP_EXT_MS_VALID, GTP_OPTIONAL},
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_GSN_ADDR, GTP_OPTIONAL}, /* Alternative SGSN Address for Control Plane Optional 7.7.32 */
|
|
{GTP_EXT_SSGN_NO, GTP_OPTIONAL}, /* SGSN Number Optional 7.7.47 */
|
|
{GTP_EXT_HOP_COUNT, GTP_OPTIONAL}, /* Hop Counter Optional 7.7.63 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_RAB_CNTXT, GTP_CONDITIONAL}, /* RAB Context Conditional 7.7.19 */
|
|
{GTP_EXT_RP_SMS, GTP_OPTIONAL},
|
|
{GTP_EXT_RP, GTP_OPTIONAL},
|
|
{GTP_EXT_PKT_FLOW_ID, GTP_OPTIONAL},
|
|
{GTP_EXT_CHRG_CHAR, GTP_OPTIONAL}, /* CharingCharacteristics Optional 7.7.23 */
|
|
{GTP_EXT_RA_PRIO_LCS, GTP_OPTIONAL}, /* Radio Priority LCS Optional 7.7.25B */
|
|
{GTP_EXT_MM_CNTXT, GTP_CONDITIONAL},
|
|
{GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PDP_CONT_PRIO, GTP_OPTIONAL}, /* PDP Context Prioritization Optional 7.7.45 */
|
|
{GTP_EXT_MBMS_UE_CTX, GTP_OPTIONAL}, /* MBMS UE Context Optional 7.7.55 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_SGSN_CNTXT_ACK, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_II, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY},
|
|
{GTP_EXT_RANAP_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_CHRG_CHAR, GTP_OPTIONAL}, /* CharingCharacteristics Optional 7.7.23 */
|
|
{GTP_EXT_MM_CNTXT, GTP_MANDATORY},
|
|
{GTP_EXT_PDP_CNTXT, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY},
|
|
{GTP_EXT_TARGET_ID, GTP_MANDATORY},
|
|
{GTP_EXT_UTRAN_CONT, GTP_MANDATORY},
|
|
{GTP_EXT_PDP_CONT_PRIO, GTP_OPTIONAL}, /* PDP Context Prioritization Optional 7.7.45 */
|
|
{GTP_EXT_MBMS_UE_CTX, GTP_OPTIONAL}, /* MBMS UE Context Optional 7.7.55 */
|
|
{GTP_EXT_SEL_PLMN_ID, GTP_OPTIONAL}, /* Selected PLMN ID Optional 7.7.64 */
|
|
{GTP_EXT_PS_HO_REQ_CTX, GTP_OPTIONAL}, /* PS Handover Request Context Optional 7.7.71 */
|
|
{GTP_EXT_BSS_CONT, GTP_OPTIONAL}, /* BSS Container Optional 7.7.72 */
|
|
{GTP_EXT_CELL_ID, GTP_OPTIONAL}, /* Cell Identification Optional 7.7.73 */
|
|
{GTP_EXT_BSSGP_CAUSE, GTP_OPTIONAL}, /* BSSGP Cause Optional 7.7.75 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{GTP_EXT_SSGN_NO, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL},
|
|
{GTP_EXT_TEID_II, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Data II Optional 7.7.15 */
|
|
{GTP_EXT_RANAP_CAUSE, GTP_CONDITIONAL},
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL},
|
|
{GTP_EXT_UTRAN_CONT, GTP_OPTIONAL},
|
|
{GTP_EXT_RAB_SETUP, GTP_CONDITIONAL},
|
|
{GTP_EXT_ADD_RAB_SETUP_INF, GTP_CONDITIONAL}, /* Additional RAB Setup Information Conditional 7.7.45A */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_COMP, {
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_RELOC_CANCEL_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_RELOC_CANCEL_RESP, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_RELOC_ACK, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_SRNS_CNTXT_ACK, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY},
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MSG_FORW_SRNS_CNTXT, {
|
|
{GTP_EXT_RAB_CNTXT, GTP_MANDATORY},
|
|
{GTP_EXT_SRC_RNC_PDP_CTX_INF, GTP_OPTIONAL}, /* Source RNC PDCP context info Optional 7.7.61 */
|
|
{GTP_EXT_PDU_NO, GTP_OPTIONAL}, /* PDU Numbers Optional 7.7.74 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
|
|
/* 7.5.14 RAN Information Management Messages */
|
|
{
|
|
GTP_MSG_RAN_INFO_RELAY, {
|
|
{GTP_EXT_RAN_TR_CONT, GTP_MANDATORY}, /* RAN Transparent Container Mandatory 7.7.43 */
|
|
{GTP_EXT_RIM_RA, GTP_OPTIONAL}, /* RIM Routing Address Optional 7.7.57 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
/* 7.5A MBMS Messages
|
|
* 7.5A.1 UE Specific MBMS Messages
|
|
*/
|
|
{
|
|
GTP_MBMS_NOTIFY_REQ, {
|
|
{GTP_EXT_IMSI, GTP_MANDATORY}, /* IMSI Mandatory 7.7.2 */
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY}, /* Tunnel Endpoint Identifier Control Plane Mandatory 7.7.14 */
|
|
{GTP_EXT_NSAPI, GTP_MANDATORY}, /* NSAPI Mandatory 7.7.17 */
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* GGSN Address for Control Plane Mandatory 7.7.32 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, GTP_OPTIONAL}, /* MBMS Protocol Configuration Options Optional 7.7.58 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_NOTIFY_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_NOTIFY_REJ_REQ, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY}, /* Tunnel Endpoint Identifier Control Plane Mandatory 7.7.14 */
|
|
{GTP_EXT_NSAPI, GTP_MANDATORY}, /* NSAPI Mandatory 7.7.17 */
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_NOTIFY_REJ_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_CREATE_MBMS_CNTXT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL}, /* IMSI Conditional 7.7.2 */
|
|
{GTP_EXT_RAI, GTP_MANDATORY}, /* Routeing Area Identity (RAI) Mandatory 7.7.3 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_SEL_MODE, GTP_CONDITIONAL}, /* Selection mode Conditional 7.7.12 */
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_TRACE_REF, GTP_OPTIONAL}, /* Trace Reference Optional 7.7.24 */
|
|
{GTP_EXT_TRACE_TYPE, GTP_OPTIONAL}, /* Trace Type Optional 7.7.25 */
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* SGSN Address for signalling Mandatory GSN Address 7.7.32 */
|
|
{GTP_EXT_MSISDN, GTP_CONDITIONAL}, /* MSISDN Conditional 7.7.33 */
|
|
{GTP_EXT_TRIGGER_ID, GTP_OPTIONAL}, /* Trigger Id Optional 7.7.41 */
|
|
{GTP_EXT_OMC_ID, GTP_OPTIONAL}, /* OMC Identity Optional 7.7.42 */
|
|
{GTP_EXT_RAT_TYPE, GTP_OPTIONAL}, /* RAT Type Optional 7.7.50 */
|
|
{GTP_EXT_USR_LOC_INF, GTP_OPTIONAL}, /* User Location Information Optional 7.7.51 */
|
|
{GTP_EXT_MS_TIME_ZONE, GTP_OPTIONAL}, /* MS Time Zone Optional 7.7.52 */
|
|
{GTP_EXT_IMEISV, GTP_OPTIONAL}, /* IMEI(SV) Optional 7.7.53 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, GTP_OPTIONAL}, /* MBMS Protocol Configuration Options Optional 7.7.58 */
|
|
{GTP_EXT_ADD_TRS_INF, GTP_OPTIONAL}, /* Additonal Trace Info Optional 7.7.62 */
|
|
{GTP_EXT_ENH_NSAPI, GTP_MANDATORY}, /* Enhanced NSAPI Mandatory 7.7.67 */
|
|
{GTP_EXT_ADD_MBMS_TRS_INF, GTP_OPTIONAL}, /* Additional MBMS Trace Info Optional 7.7.68 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_CREATE_MBMS_CNTXT_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL}, /* Charging ID Conditional 7.7.26 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* GGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* Alternative GGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Alternative Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, GTP_OPTIONAL}, /* MBMS Protocol Configuration Options Optional 7.7.58 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_UPD_MBMS_CNTXT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL}, /* IMSI Conditional 7.7.2 */
|
|
{GTP_EXT_RAI, GTP_MANDATORY}, /* Routeing Area Identity (RAI) Mandatory 7.7.3 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_TRACE_REF, GTP_OPTIONAL}, /* Trace Reference Optional 7.7.24 */
|
|
{GTP_EXT_TRACE_TYPE, GTP_OPTIONAL}, /* Trace Type Optional 7.7.25 */
|
|
{GTP_EXT_GSN_ADDR, GTP_MANDATORY}, /* SGSN Address for Control Plane Mandatory GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* Alternative SGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_TRIGGER_ID, GTP_OPTIONAL}, /* Trigger Id Optional 7.7.41 */
|
|
{GTP_EXT_OMC_ID, GTP_OPTIONAL}, /* OMC Identity Optional 7.7.42 */
|
|
{GTP_EXT_RAT_TYPE, GTP_OPTIONAL}, /* RAT Type Optional 7.7.50 */
|
|
{GTP_EXT_USR_LOC_INF, GTP_OPTIONAL}, /* User Location Information Optional 7.7.51 */
|
|
{GTP_EXT_MS_TIME_ZONE, GTP_OPTIONAL}, /* MS Time Zone Optional 7.7.52 */
|
|
{GTP_EXT_ADD_TRS_INF, GTP_OPTIONAL}, /* Additional Trace Info Optional 7.7.62 */
|
|
{GTP_EXT_ENH_NSAPI, GTP_MANDATORY}, /* Enhanced NSAPI Mandatory 7.7.67 */
|
|
{GTP_EXT_ADD_MBMS_TRS_INF, GTP_OPTIONAL}, /* Additional MBMS Trace Info Optional 7.7.68 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_UPD_MBMS_CNTXT_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_CHRG_ID, GTP_CONDITIONAL}, /* Charging ID Conditional 7.7.26 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* GGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* Alternative GGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_CHRG_ADDR, GTP_OPTIONAL}, /* Alternative Charging Gateway Address Optional 7.7.44 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_DEL_MBMS_CNTXT_REQ, {
|
|
{GTP_EXT_IMSI, GTP_CONDITIONAL}, /* IMSI Conditional 7.7.2 */
|
|
{GTP_EXT_TEID_CP, GTP_MANDATORY}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_USER_ADDR, GTP_CONDITIONAL}, /* End User Address Conditional 7.7.27 */
|
|
{GTP_EXT_APN, GTP_CONDITIONAL}, /* Access Point Name Conditional 7.7.30 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, GTP_OPTIONAL}, /* MBMS Protocol Configuration Options Optional 7.7.58 */
|
|
{GTP_EXT_ENH_NSAPI, GTP_MANDATORY}, /* Enhanced NSAPI Conditional 7.7.67 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_DEL_MBMS_CNTXT_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_MBMS_PROT_CONF_OPT, GTP_OPTIONAL}, /* MBMS Protocol Configuration Options Optional 7.7.58 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL},
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_REG_REQ, {
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_REG_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_TMGI, GTP_MANDATORY}, /* Temporary Mobile Group Identity (TMGI) Conditional 7.7.56 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_DE_REG_REQ, {
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_DE_REG_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_SES_START_REQ, {
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* GGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_QOS_UMTS, GTP_MANDATORY}, /* Quality of Service Profile Mandatory 7.7.34 */
|
|
{GTP_EXT_COMMON_FLGS, GTP_OPTIONAL}, /* Common Flags Mandatory 7.7.48 */
|
|
{GTP_EXT_TMGI, GTP_MANDATORY}, /* Temporary Mobile Group Identity (TMGI) Mandatory 7.7.56 */
|
|
{GTP_EXT_MBMS_SES_DUR, GTP_MANDATORY}, /* MBMS Session Duration Mandatory 7.7.59 */
|
|
{GTP_EXT_MBMS_SA, GTP_MANDATORY}, /* MBMS Service Area Mandatory 7.7.60 */
|
|
{GTP_EXT_MBMS_SES_ID, GTP_OPTIONAL}, /* MBMS Session Identifier Optional 7.7.65 */
|
|
{GTP_EXT_MBMS_2G_3G_IND, GTP_MANDATORY}, /* MBMS 2G/3G Indicator Mandatory 7.7.66 */
|
|
{GTP_EXT_MBMS_SES_ID_REP_NO, GTP_OPTIONAL}, /* MBMS Session Identity Repetition Number Optional 7.7.69 */
|
|
{GTP_EXT_MBMS_TIME_TO_DATA_TR, GTP_MANDATORY}, /* MBMS Time To Data Transfer Mandatory 7.7.70 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_SES_START_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_RECOVER, GTP_OPTIONAL}, /* Recovery Optional 7.7.11 */
|
|
{GTP_EXT_TEID, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Data I Conditional 7.7.13 */
|
|
{GTP_EXT_TEID_CP, GTP_CONDITIONAL}, /* Tunnel Endpoint Identifier Control Plane Conditional 7.7.14 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* SGSN Address for Control Plane Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_GSN_ADDR, GTP_CONDITIONAL}, /* SGSN Address for user traffic Conditional GSN Address 7.7.32 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_SES_STOP_REQ, {
|
|
{GTP_EXT_USER_ADDR, GTP_MANDATORY}, /* End User Address Mandatory 7.7.27 */
|
|
{GTP_EXT_APN, GTP_MANDATORY}, /* Access Point Name Mandatory 7.7.30 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
GTP_MBMS_SES_STOP_RES, {
|
|
{GTP_EXT_CAUSE, GTP_MANDATORY}, /* Cause Mandatory 7.7.1 */
|
|
{GTP_EXT_PRIV_EXT, GTP_OPTIONAL}, /* Private Extension Optional 7.7.46 */
|
|
{0, 0}
|
|
}
|
|
},
|
|
{
|
|
0, {
|
|
{0, 0}
|
|
}
|
|
}
|
|
};
|
|
|
|
/* Data structure attached to a conversation,
|
|
to keep track of request/response-pairs
|
|
*/
|
|
typedef struct gtp_conv_info_t {
|
|
struct gtp_conv_info_t *next;
|
|
GHashTable *unmatched;
|
|
GHashTable *matched;
|
|
} gtp_conv_info_t;
|
|
|
|
static gtp_conv_info_t *gtp_info_items = NULL;
|
|
|
|
static guint
|
|
gtp_sn_hash(gconstpointer k)
|
|
{
|
|
const gtp_msg_hash_t *key = (const gtp_msg_hash_t *)k;
|
|
|
|
return key->seq_nr;
|
|
}
|
|
|
|
static gint
|
|
gtp_sn_equal_matched(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const gtp_msg_hash_t *key1 = (const gtp_msg_hash_t *)k1;
|
|
const gtp_msg_hash_t *key2 = (const gtp_msg_hash_t *)k2;
|
|
|
|
if ( key1->req_frame && key2->req_frame && (key1->req_frame != key2->req_frame) ) {
|
|
return 0;
|
|
}
|
|
|
|
if ( key1->rep_frame && key2->rep_frame && (key1->rep_frame != key2->rep_frame) ) {
|
|
return 0;
|
|
}
|
|
|
|
return key1->seq_nr == key2->seq_nr;
|
|
}
|
|
|
|
static gint
|
|
gtp_sn_equal_unmatched(gconstpointer k1, gconstpointer k2)
|
|
{
|
|
const gtp_msg_hash_t *key1 = (const gtp_msg_hash_t *)k1;
|
|
const gtp_msg_hash_t *key2 = (const gtp_msg_hash_t *)k2;
|
|
|
|
return key1->seq_nr == key2->seq_nr;
|
|
}
|
|
|
|
static gtp_msg_hash_t *
|
|
gtp_match_response(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gint seq_nr, guint msgtype, gtp_conv_info_t *gtp_info, guint8 last_cause)
|
|
{
|
|
gtp_msg_hash_t gcr, *gcrp = NULL;
|
|
guint32 *session;
|
|
gcr.seq_nr=seq_nr;
|
|
|
|
switch (msgtype) {
|
|
case GTP_MSG_ECHO_REQ:
|
|
case GTP_MSG_CREATE_PDP_REQ:
|
|
case GTP_MSG_UPDATE_PDP_REQ:
|
|
case GTP_MSG_DELETE_PDP_REQ:
|
|
case GTP_MSG_FORW_RELOC_REQ:
|
|
gcr.is_request=TRUE;
|
|
gcr.req_frame=pinfo->num;
|
|
gcr.rep_frame=0;
|
|
break;
|
|
case GTP_MSG_ECHO_RESP:
|
|
case GTP_MSG_CREATE_PDP_RESP:
|
|
case GTP_MSG_UPDATE_PDP_RESP:
|
|
case GTP_MSG_DELETE_PDP_RESP:
|
|
case GTP_MSG_FORW_RELOC_RESP:
|
|
gcr.is_request=FALSE;
|
|
gcr.req_frame=0;
|
|
gcr.rep_frame=pinfo->num;
|
|
break;
|
|
default:
|
|
gcr.is_request=FALSE;
|
|
gcr.req_frame=0;
|
|
gcr.rep_frame=0;
|
|
break;
|
|
}
|
|
|
|
gcrp = (gtp_msg_hash_t *)g_hash_table_lookup(gtp_info->matched, &gcr);
|
|
|
|
if (gcrp) {
|
|
|
|
gcrp->is_request=gcr.is_request;
|
|
|
|
} else {
|
|
|
|
/*no match, let's try to make one*/
|
|
switch (msgtype) {
|
|
case GTP_MSG_ECHO_REQ:
|
|
case GTP_MSG_CREATE_PDP_REQ:
|
|
case GTP_MSG_UPDATE_PDP_REQ:
|
|
case GTP_MSG_DELETE_PDP_REQ:
|
|
case GTP_MSG_FORW_RELOC_REQ:
|
|
gcr.seq_nr=seq_nr;
|
|
|
|
gcrp=(gtp_msg_hash_t *)g_hash_table_lookup(gtp_info->unmatched, &gcr);
|
|
if (gcrp) {
|
|
g_hash_table_remove(gtp_info->unmatched, gcrp);
|
|
}
|
|
/* if we can't reuse the old one, grab a new chunk */
|
|
if (!gcrp) {
|
|
gcrp = wmem_new(wmem_file_scope(), gtp_msg_hash_t);
|
|
}
|
|
gcrp->seq_nr=seq_nr;
|
|
gcrp->req_frame = pinfo->num;
|
|
gcrp->req_time = pinfo->abs_ts;
|
|
gcrp->rep_frame = 0;
|
|
gcrp->msgtype = msgtype;
|
|
gcrp->is_request = TRUE;
|
|
g_hash_table_insert(gtp_info->unmatched, gcrp, gcrp);
|
|
return NULL;
|
|
break;
|
|
case GTP_MSG_ECHO_RESP:
|
|
case GTP_MSG_CREATE_PDP_RESP:
|
|
case GTP_MSG_UPDATE_PDP_RESP:
|
|
case GTP_MSG_DELETE_PDP_RESP:
|
|
case GTP_MSG_FORW_RELOC_RESP:
|
|
gcr.seq_nr=seq_nr;
|
|
gcrp=(gtp_msg_hash_t *)g_hash_table_lookup(gtp_info->unmatched, &gcr);
|
|
|
|
if (gcrp) {
|
|
if (!gcrp->rep_frame) {
|
|
g_hash_table_remove(gtp_info->unmatched, gcrp);
|
|
gcrp->rep_frame=pinfo->num;
|
|
gcrp->is_request=FALSE;
|
|
g_hash_table_insert(gtp_info->matched, gcrp, gcrp);
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* we have found a match */
|
|
if (gcrp) {
|
|
proto_item *it;
|
|
|
|
|
|
if (gcrp->is_request) {
|
|
it = proto_tree_add_uint(tree, hf_gtp_response_in, tvb, 0, 0, gcrp->rep_frame);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
} else {
|
|
nstime_t ns;
|
|
|
|
it = proto_tree_add_uint(tree, hf_gtp_response_to, tvb, 0, 0, gcrp->req_frame);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
nstime_delta(&ns, &pinfo->abs_ts, &gcrp->req_time);
|
|
it = proto_tree_add_time(tree, hf_gtp_time, tvb, 0, 0, &ns);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
if (g_gtp_session) {
|
|
if (!PINFO_FD_VISITED(pinfo) && gtp_version == 1) {
|
|
/* GTP session */
|
|
/* If it does not have any session assigned yet */
|
|
session = (guint32 *)g_hash_table_lookup(session_table, &pinfo->num);
|
|
if (!session) {
|
|
session = (guint32 *)g_hash_table_lookup(session_table, &gcrp->req_frame);
|
|
if (session != NULL) {
|
|
add_gtp_session(pinfo->num, *session);
|
|
}
|
|
}
|
|
|
|
if (!is_cause_accepted(last_cause, gtp_version)){
|
|
/* If the cause is not accepted then we have to remove all the session information about its corresponding request */
|
|
remove_frame_info(&gcrp->req_frame);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return gcrp;
|
|
}
|
|
|
|
|
|
static int
|
|
check_field_presence(guint8 message, guint8 field, int *position)
|
|
{
|
|
|
|
guint i = 0;
|
|
_gtp_mess_items *mess_items;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
mess_items = gprs_mess_items;
|
|
break;
|
|
case 1:
|
|
mess_items = umts_mess_items;
|
|
break;
|
|
default:
|
|
return -2;
|
|
}
|
|
|
|
while (mess_items[i].code) {
|
|
if (mess_items[i].code == message) {
|
|
|
|
while (mess_items[i].fields[*position].code) {
|
|
if (mess_items[i].fields[*position].code == field) {
|
|
(*position)++;
|
|
return 0;
|
|
} else {
|
|
if (mess_items[i].fields[*position].presence == GTP_MANDATORY) {
|
|
return mess_items[i].fields[(*position)++].code;
|
|
} else {
|
|
(*position)++;
|
|
}
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
return -2;
|
|
}
|
|
|
|
/* Decoders of fields in extension headers, each function returns no of bytes from field */
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter
|
|
* UMTS: 29.060 v4.0, chapter
|
|
* 7.7.1 Cause
|
|
*/
|
|
static int
|
|
decode_gtp_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args)
|
|
{
|
|
|
|
guint8 cause;
|
|
|
|
cause = tvb_get_guint8(tvb, offset + 1);
|
|
if (g_gtp_session) {
|
|
args->last_cause = cause;
|
|
}
|
|
proto_tree_add_uint(tree, hf_gtp_cause, tvb, offset, 2, cause);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.2
|
|
* UMTS: 29.060 v4.0, chapter 7.7.2
|
|
*/
|
|
static int
|
|
decode_gtp_imsi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
/* const gchar *imsi_str; */
|
|
|
|
/* Octets 2 - 9 IMSI */
|
|
/* imsi_str = */ dissect_e212_imsi(tvb, pinfo, tree, offset+1, 8, FALSE);
|
|
|
|
return 9;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.3
|
|
* UMTS: 29.060 v4.0, chapter 7.7.3 Routeing Area Identity (RAI)
|
|
*/
|
|
static int
|
|
decode_gtp_rai(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree *ext_tree_rai;
|
|
|
|
ext_tree_rai = proto_tree_add_subtree(tree, tvb, offset, 1, ett_gtp_ies[GTP_EXT_RAI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RAI, >p_val_ext, "Unknown message"));
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, ext_tree_rai, offset+1, E212_RAI, TRUE);
|
|
proto_tree_add_item(ext_tree_rai, hf_gtp_rai_lac, tvb, offset + 4, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rai, hf_gtp_rai_rac, tvb, offset + 6, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 7;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.4, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.4 Temporary Logical Link Identity (TLLI)
|
|
*/
|
|
static int
|
|
decode_gtp_tlli(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint32 tlli;
|
|
|
|
tlli = tvb_get_ntohl(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_tlli, tvb, offset, 5, tlli);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.5, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.5 Packet TMSI (P-TMSI)
|
|
*/
|
|
static int
|
|
decode_gtp_ptmsi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint32 ptmsi;
|
|
|
|
ptmsi = tvb_get_ntohl(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_ptmsi, tvb, offset, 5, ptmsi);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/*
|
|
* adjust - how many bytes before offset should be highlighted
|
|
*/
|
|
static int
|
|
decode_qos_gprs(tvbuff_t * tvb, int offset, proto_tree * tree, const gchar * qos_str, guint8 adjust)
|
|
{
|
|
|
|
guint8 spare1, delay, reliability, peak, spare2, precedence, spare3, mean;
|
|
proto_tree *ext_tree_qos;
|
|
|
|
spare1 = tvb_get_guint8(tvb, offset) & GTP_EXT_QOS_SPARE1_MASK;
|
|
delay = tvb_get_guint8(tvb, offset) & GTP_EXT_QOS_DELAY_MASK;
|
|
reliability = tvb_get_guint8(tvb, offset) & GTP_EXT_QOS_RELIABILITY_MASK;
|
|
peak = tvb_get_guint8(tvb, offset + 1) & GTP_EXT_QOS_PEAK_MASK;
|
|
spare2 = tvb_get_guint8(tvb, offset + 1) & GTP_EXT_QOS_SPARE2_MASK;
|
|
precedence = tvb_get_guint8(tvb, offset + 1) & GTP_EXT_QOS_PRECEDENCE_MASK;
|
|
spare3 = tvb_get_guint8(tvb, offset + 2) & GTP_EXT_QOS_SPARE3_MASK;
|
|
mean = tvb_get_guint8(tvb, offset + 2) & GTP_EXT_QOS_MEAN_MASK;
|
|
|
|
ext_tree_qos = proto_tree_add_subtree_format(tree, tvb, offset - adjust, 3 + adjust, ett_gtp_qos, NULL,
|
|
"%s: delay: %u, reliability: %u, peak: %u, precedence: %u, mean: %u",
|
|
qos_str, (delay >> 3) & 0x07, reliability, (peak >> 4) & 0x0F, precedence, mean);
|
|
|
|
if (adjust != 0) {
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare1, tvb, offset, 1, spare1);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_delay, tvb, offset, 1, delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_reliability, tvb, offset, 1, reliability);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_peak, tvb, offset + 1, 1, peak);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare2, tvb, offset + 1, 1, spare2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_precedence, tvb, offset + 1, 1, precedence);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare3, tvb, offset + 2, 1, spare3);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_mean, tvb, offset + 2, 1, mean);
|
|
}
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.6, page 39
|
|
* 4.08
|
|
* 3.60
|
|
* UMTS: not present
|
|
* TODO: check if length is included: ETSI 4.08 vs 9.60
|
|
*/
|
|
static int
|
|
decode_gtp_qos_gprs(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
return (1 + decode_qos_gprs(tvb, offset + 1, tree, "Quality of Service", 1));
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.7, page 39
|
|
* UMTS: 29.060 v4.0, chapter 7.7.6 Reordering Required
|
|
*/
|
|
static int
|
|
decode_gtp_reorder(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 reorder;
|
|
|
|
reorder = tvb_get_guint8(tvb, offset + 1) & 0x01;
|
|
proto_tree_add_boolean(tree, hf_gtp_reorder, tvb, offset, 2, reorder);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.8, page 40
|
|
* 4.08 v7.1.2, chapter 10.5.3.1+
|
|
* UMTS: 29.060 v4.0, chapter 7.7.7
|
|
* TODO: Add blurb support by registering items in the protocol registration
|
|
*/
|
|
static int
|
|
decode_gtp_auth_tri(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree *ext_tree_auth_tri;
|
|
|
|
ext_tree_auth_tri = proto_tree_add_subtree(tree, tvb, offset, 29, ett_gtp_ies[GTP_EXT_AUTH_TRI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_AUTH_TRI, >p_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_item(ext_tree_auth_tri, hf_gtp_rand, tvb, offset + 1, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_auth_tri, hf_gtp_sres, tvb, offset + 17, 4, ENC_NA);
|
|
proto_tree_add_item(ext_tree_auth_tri, hf_gtp_kc, tvb, offset + 21, 8, ENC_NA);
|
|
|
|
return 1 + 16 + 4 + 8;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.9, page 40
|
|
* 9.02 v7.7.0, page 1090
|
|
* UMTS: 29.060 v4.0, chapter 7.7.8, page 48
|
|
* 29.002 v4.2.1, chapter 17.5, page 268
|
|
*/
|
|
static int
|
|
decode_gtp_map_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 map_cause;
|
|
|
|
map_cause = tvb_get_guint8(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_map_cause, tvb, offset, 2, map_cause);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.10, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.9, page 48
|
|
*/
|
|
static int
|
|
decode_gtp_ptmsi_sig(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint32 ptmsi_sig;
|
|
|
|
ptmsi_sig = tvb_get_ntoh24(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_ptmsi_sig, tvb, offset, 4, ptmsi_sig);
|
|
|
|
return 4;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.11, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.10, page 49
|
|
*/
|
|
static int
|
|
decode_gtp_ms_valid(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 ms_valid;
|
|
|
|
ms_valid = tvb_get_guint8(tvb, offset + 1) & 0x01;
|
|
proto_tree_add_boolean(tree, hf_gtp_ms_valid, tvb, offset, 2, ms_valid);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.12, page 41
|
|
* UMTS: 29.060 v4.0, chapter 7.7.11 Recovery
|
|
*/
|
|
static int
|
|
decode_gtp_recovery(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 recovery;
|
|
|
|
recovery = tvb_get_guint8(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_recovery, tvb, offset, 2, recovery);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.13, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.12 Selection Mode
|
|
*/
|
|
|
|
|
|
static const gchar *
|
|
dissect_radius_selection_mode(proto_tree * tree, tvbuff_t * tvb, packet_info* pinfo _U_)
|
|
{
|
|
guint8 sel_mode;
|
|
|
|
/* Value in ASCII(UTF-8) */
|
|
sel_mode = tvb_get_guint8(tvb, 0) - 0x30;
|
|
proto_tree_add_uint(tree, hf_gtp_sel_mode, tvb, 0, 1, sel_mode);
|
|
|
|
return val_to_str_const(sel_mode, sel_mode_type, "Unknown");
|
|
}
|
|
|
|
static int
|
|
decode_gtp_sel_mode(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree_add_item(tree, hf_gtp_sel_mode, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.14, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.13, page 50
|
|
*/
|
|
static int
|
|
decode_gtp_16(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args)
|
|
{
|
|
|
|
guint16 ext_flow_label;
|
|
guint32 teid_data, *teid;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
ext_flow_label = tvb_get_ntohs(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_ext_flow_label, tvb, offset, 3, ext_flow_label);
|
|
|
|
return 3;
|
|
case 1:
|
|
teid_data = tvb_get_ntohl(tvb, offset + 1);
|
|
/* We save the teid_data so that we could assignate its corresponding session ID later */
|
|
if (g_gtp_session && !PINFO_FD_VISITED(pinfo)) {
|
|
args->last_teid = teid_data; /* We save it to track the error indication */
|
|
if (!teid_exists(teid_data, args->teid_list)) {
|
|
teid = wmem_new(wmem_packet_scope(), guint32);
|
|
*teid = teid_data;
|
|
wmem_list_prepend(args->teid_list, teid);
|
|
}
|
|
}
|
|
proto_tree_add_uint(tree, hf_gtp_teid_data, tvb, offset+1, 4, teid_data);
|
|
|
|
return 5;
|
|
default:
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_field_not_support_in_version,
|
|
tvb, offset, 1, "Flow label/TEID Data I : GTP version not supported");
|
|
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.15, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.14, page 42
|
|
*/
|
|
static int
|
|
decode_gtp_17(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args)
|
|
{
|
|
|
|
guint16 flow_sig;
|
|
guint32 teid_cp;
|
|
guint32 *teid;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
flow_sig = tvb_get_ntohs(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_flow_sig, tvb, offset, 3, flow_sig);
|
|
return 3;
|
|
case 1:
|
|
teid_cp = tvb_get_ntohl(tvb, offset + 1);
|
|
/* We save the teid_cp so that we could assignate its corresponding session ID later */
|
|
if (g_gtp_session && !PINFO_FD_VISITED(pinfo)) {
|
|
if (!teid_exists(teid_cp, args->teid_list)) {
|
|
teid = wmem_new(wmem_packet_scope(), guint32);
|
|
*teid = teid_cp;
|
|
wmem_list_prepend(args->teid_list, teid);
|
|
}
|
|
}
|
|
proto_tree_add_uint(tree, hf_gtp_teid_cp, tvb, offset, 5, teid_cp);
|
|
return 5;
|
|
default:
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_field_not_support_in_version,
|
|
tvb, offset, 1, "Flow label signalling/TEID control plane : GTP version not supported");
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16, page 42
|
|
* UMTS: 29.060 v4.0, chapter 7.7.15, page 51
|
|
*/
|
|
static int
|
|
decode_gtp_18(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 flow_ii;
|
|
guint32 teid_ii;
|
|
proto_tree *ext_tree_flow_ii;
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
ext_tree_flow_ii = proto_tree_add_subtree(tree, tvb, offset, 4, ett_gtp_ies[GTP_EXT_FLOW_II], NULL,
|
|
val_to_str_ext_const(GTP_EXT_FLOW_II, >p_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_item(ext_tree_flow_ii, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
|
|
flow_ii = tvb_get_ntohs(tvb, offset + 2);
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_flow_ii, tvb, offset + 2, 2, flow_ii);
|
|
|
|
return 4;
|
|
case 1:
|
|
ext_tree_flow_ii = proto_tree_add_subtree(tree, tvb, offset, 6, ett_gtp_flow_ii, NULL,
|
|
val_to_str_ext_const(GTP_EXT_TEID_II, >pv1_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_item(ext_tree_flow_ii, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
|
|
teid_ii = tvb_get_ntohl(tvb, offset + 2);
|
|
proto_tree_add_uint(ext_tree_flow_ii, hf_gtp_teid_ii, tvb, offset + 2, 4, teid_ii);
|
|
|
|
return 6;
|
|
default:
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_field_not_support_in_version,
|
|
tvb, offset, 1, "Flow data II/TEID Data II : GTP Version not supported");
|
|
|
|
return 4;
|
|
}
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16A, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.16, page 51
|
|
* Check if all ms_reason types are included
|
|
*/
|
|
static int
|
|
decode_gtp_19(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 field19;
|
|
|
|
field19 = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
proto_tree_add_uint(tree, hf_gtp_ms_reason, tvb, offset, 2, field19);
|
|
break;
|
|
case 1:
|
|
proto_tree_add_boolean(tree, hf_gtp_tear_ind, tvb, offset, 2, field19 & 0x01);
|
|
break;
|
|
default:
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_field_not_support_in_version,
|
|
tvb, offset, 1, "Information Element Type = 19 : GTP Version not supported");
|
|
break;
|
|
}
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.17, page 51
|
|
*/
|
|
static int
|
|
decode_gtp_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint8 nsapi;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_gtp_ies[GTP_EXT_NSAPI], &te,
|
|
val_to_str_ext_const(GTP_EXT_NSAPI, >p_val_ext, "Unknown message"));
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset + 1) & 0x0F;
|
|
proto_tree_add_item(ext_tree, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, ": %u",nsapi);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.18, page 52
|
|
*/
|
|
static int
|
|
decode_gtp_ranap_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 ranap;
|
|
|
|
ranap = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
if ((ranap > 0) && (ranap <= 64))
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (Radio Network Layer Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
if ((ranap > 64) && (ranap <= 80))
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (Transport Layer Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
if ((ranap > 80) && (ranap <= 96))
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2,
|
|
ranap, "%s (NAS Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
if ((ranap > 96) && (ranap <= 112))
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Protocol Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
if ((ranap > 112) && (ranap <= 128))
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Miscellaneous Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
if ((ranap > 128) /* && (ranap <= 255) */ )
|
|
proto_tree_add_uint_format(tree, hf_gtp_ranap_cause, tvb, offset, 2, ranap,
|
|
"%s (Non-standard Cause) : %s (%u)",
|
|
val_to_str_ext_const(GTP_EXT_RANAP_CAUSE, >p_val_ext, "Unknown"),
|
|
val_to_str_ext_const(ranap, &ranap_cause_type_ext, "Unknown RANAP Cause"), ranap);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.19, page 52
|
|
*/
|
|
static int
|
|
decode_gtp_rab_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
proto_tree *ext_tree_rab_cntxt;
|
|
|
|
ext_tree_rab_cntxt = proto_tree_add_subtree(tree, tvb, offset, 10, ett_gtp_ies[GTP_EXT_RAB_CNTXT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RAB_CNTXT, >p_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_item(ext_tree_rab_cntxt, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rab_cntxt, hf_gtp_rab_gtpu_dn, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rab_cntxt, hf_gtp_rab_gtpu_up, tvb, offset + 4, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rab_cntxt, hf_gtp_rab_pdu_dn, tvb, offset + 6, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rab_cntxt, hf_gtp_rab_pdu_up, tvb, offset + 8, 2, ENC_BIG_ENDIAN);
|
|
|
|
return 10;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.20, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_rp_sms(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 rp_sms;
|
|
|
|
rp_sms = tvb_get_guint8(tvb, offset + 1) & 0x07;
|
|
proto_tree_add_uint(tree, hf_gtp_rp_sms, tvb, offset, 2, rp_sms);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.21, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_rp(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree *ext_tree_rp;
|
|
proto_item *te;
|
|
guint8 nsapi, rp, spare;
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset + 1) & 0xF0;
|
|
spare = tvb_get_guint8(tvb, offset + 1) & 0x08;
|
|
rp = tvb_get_guint8(tvb, offset + 1) & 0x07;
|
|
|
|
te = proto_tree_add_uint_format(tree, hf_gtp_rp, tvb, offset, 2, rp, "Radio Priority for NSAPI(%u) : %u", nsapi, rp);
|
|
ext_tree_rp = proto_item_add_subtree(te, ett_gtp_rp);
|
|
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp_nsapi, tvb, offset + 1, 1, nsapi);
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp_spare, tvb, offset + 1, 1, spare);
|
|
proto_tree_add_uint(ext_tree_rp, hf_gtp_rp, tvb, offset + 1, 1, rp);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.22, page 53
|
|
*/
|
|
static int
|
|
decode_gtp_pkt_flow_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree *ext_tree_pkt_flow_id;
|
|
proto_item *te;
|
|
guint8 nsapi, pkt_flow_id;
|
|
|
|
nsapi = tvb_get_guint8(tvb, offset + 1) & 0x0F;
|
|
pkt_flow_id = tvb_get_guint8(tvb, offset + 2);
|
|
|
|
te = proto_tree_add_uint_format(tree, hf_gtp_pkt_flow_id, tvb, offset, 3, pkt_flow_id, "Packet Flow ID for NSAPI(%u) : %u", nsapi, pkt_flow_id);
|
|
ext_tree_pkt_flow_id = proto_item_add_subtree(te, ett_gtp_pkt_flow_id);
|
|
|
|
proto_tree_add_item(ext_tree_pkt_flow_id, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint_format(ext_tree_pkt_flow_id, hf_gtp_pkt_flow_id, tvb,
|
|
offset + 2, 1, pkt_flow_id, "%s : %u", val_to_str_ext_const(GTP_EXT_PKT_FLOW_ID, >p_val_ext, "Unknown message"), pkt_flow_id);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.23, page 53
|
|
* TODO: Differenciate these uints?
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_char(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 chrg_char;
|
|
proto_item *te;
|
|
proto_tree *ext_tree_chrg_char;
|
|
|
|
chrg_char = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
te = proto_tree_add_uint(tree, hf_gtp_chrg_char, tvb, offset, 3, chrg_char);
|
|
/*"%s: %x", val_to_str_ext_const (GTP_EXT_CHRG_CHAR, >p_val_ext, "Unknown message"), chrg_char); */
|
|
ext_tree_chrg_char = proto_item_add_subtree(te, ett_gtp_ies[GTP_EXT_CHRG_CHAR]);
|
|
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_s, tvb, offset + 1, 2, chrg_char);
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_n, tvb, offset + 1, 2, chrg_char);
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_p, tvb, offset + 1, 2, chrg_char);
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_f, tvb, offset + 1, 2, chrg_char);
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_h, tvb, offset + 1, 2, chrg_char);
|
|
proto_tree_add_uint(ext_tree_chrg_char, hf_gtp_chrg_char_r, tvb, offset + 1, 2, chrg_char);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.24, page
|
|
*/
|
|
static int
|
|
decode_gtp_trace_ref(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 trace_ref;
|
|
|
|
trace_ref = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_uint(tree, hf_gtp_trace_ref, tvb, offset, 3, trace_ref);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.25, page
|
|
*/
|
|
static int
|
|
decode_gtp_trace_type(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 trace_type;
|
|
|
|
trace_type = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
proto_tree_add_uint(tree, hf_gtp_trace_type, tvb, offset, 3, trace_type);
|
|
|
|
return 3;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.16A
|
|
* UMTS: 29.060 v4.0, chapter 7.7.25A, page
|
|
*/
|
|
static int
|
|
decode_gtp_ms_reason(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 reason;
|
|
|
|
reason = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
/* Reason for Absence is defined in 3GPP TS 23.040 */
|
|
proto_tree_add_uint(tree, hf_gtp_ms_reason, tvb, offset, 2, reason);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.25B
|
|
* Radio Priority LCS
|
|
*/
|
|
static int
|
|
decode_gtp_ra_prio_lcs(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RA_PRIO_LCS], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_RA_PRIO_LCS, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_ra_prio_lcs, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 12.15 v7.6.0, chapter 7.3.3, page 45
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_tr_comm(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 tr_command;
|
|
|
|
tr_command = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_tree_add_uint(tree, hf_gtp_tr_comm, tvb, offset, 2, tr_command);
|
|
|
|
return 2;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.17, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.26, page 55
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint32 chrg_id;
|
|
|
|
chrg_id = tvb_get_ntohl(tvb, offset + 1);
|
|
proto_tree_add_uint(tree, hf_gtp_chrg_id, tvb, offset, 5, chrg_id);
|
|
|
|
return 5;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.18, page 43
|
|
* UMTS: 29.060 v4.0, chapter 7.7.27, page 55
|
|
*/
|
|
static int
|
|
decode_gtp_user_addr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
guint8 pdp_typ, pdp_org;
|
|
proto_tree *ext_tree_user;
|
|
proto_item *te;
|
|
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
pdp_org = tvb_get_guint8(tvb, offset + 3) & 0x0F;
|
|
pdp_typ = tvb_get_guint8(tvb, offset + 4);
|
|
|
|
ext_tree_user = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length,
|
|
ett_gtp_ies[GTP_EXT_USER_ADDR], &te, "%s (%s/%s)",
|
|
val_to_str_ext_const(GTP_EXT_USER_ADDR, >p_val_ext, "Unknown message"),
|
|
val_to_str_const(pdp_org, pdp_org_type, "Unknown PDP Organization"),
|
|
val_to_str_const(pdp_typ, pdp_type, "Unknown PDP Type"));
|
|
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_uint(ext_tree_user, hf_gtp_user_addr_pdp_org, tvb, offset + 3, 1, pdp_org);
|
|
proto_tree_add_uint(ext_tree_user, hf_gtp_user_addr_pdp_type, tvb, offset + 4, 1, pdp_typ);
|
|
|
|
if (length == 2) {
|
|
if ((pdp_org == 0) && (pdp_typ == 1))
|
|
proto_item_append_text(te, " (Point to Point Protocol)");
|
|
else if (pdp_typ == 2)
|
|
proto_item_append_text(te, " (Octet Stream Protocol)");
|
|
} else if (length > 2) {
|
|
switch (pdp_typ) {
|
|
case 0x21:
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv4, tvb, offset + 5, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " : %s", tvb_ip_to_str(tvb, offset + 5));
|
|
break;
|
|
case 0x57:
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv6, tvb, offset + 5, 16, ENC_NA);
|
|
proto_item_append_text(te, " : %s", tvb_ip6_to_str(tvb, offset + 5));
|
|
break;
|
|
case 0x8d:
|
|
if (length == 6) {
|
|
struct e_in6_addr ipv6;
|
|
memset(&ipv6, 0, sizeof(struct e_in6_addr));
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv4, tvb, offset + 5, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_ipv6_format_value(ext_tree_user, hf_gtp_user_ipv6, tvb, offset + 9, 0, &ipv6, "dynamic");
|
|
proto_item_append_text(te, " : %s / dynamic", tvb_ip_to_str(tvb, offset + 5));
|
|
} else if (length == 18) {
|
|
proto_tree_add_ipv4_format_value(ext_tree_user, hf_gtp_user_ipv6, tvb, offset + 5, 0, 0, "dynamic");
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv6, tvb, offset + 5, 16, ENC_NA);
|
|
proto_item_append_text(te, " : dynamic / %s", tvb_ip6_to_str(tvb, offset + 5));
|
|
} else if (length == 22) {
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv4, tvb, offset + 5, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_user, hf_gtp_user_ipv6, tvb, offset + 9, 16, ENC_NA);
|
|
proto_item_append_text(te, " : %s / %s", tvb_ip_to_str(tvb, offset + 5),
|
|
tvb_ip6_to_str(tvb, offset + 9));
|
|
} else {
|
|
proto_tree_add_expert_format(ext_tree_user, pinfo, &ei_gtp_ext_length_mal, tvb, offset + 3, length, "Wrong length indicated. Expected 6, 18 or 22, got %u", length);
|
|
}
|
|
break;
|
|
}
|
|
} else
|
|
proto_item_append_text(te, " : empty PDP Address");
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
static int
|
|
decode_triplet(tvbuff_t * tvb, int offset, proto_tree * tree, guint16 count)
|
|
{
|
|
|
|
proto_tree *ext_tree_trip;
|
|
guint16 i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
ext_tree_trip = proto_tree_add_subtree_format(tree, tvb, offset + i * 28, 28, ett_gtp_trip, NULL, "Triplet no%x", i);
|
|
|
|
proto_tree_add_item(ext_tree_trip, hf_gtp_rand, tvb, offset + i * 28, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_trip, hf_gtp_sres, tvb, offset + i * 28 + 16, 4, ENC_NA);
|
|
proto_tree_add_item(ext_tree_trip, hf_gtp_kc, tvb, offset + i * 28 + 20, 8, ENC_NA);
|
|
}
|
|
|
|
return count * 28;
|
|
}
|
|
|
|
/* adjust - how many bytes before quintuplet should be highlighted
|
|
*/
|
|
static int
|
|
decode_quintuplet(tvbuff_t * tvb, int offset, proto_tree * tree, guint16 count)
|
|
{
|
|
|
|
proto_tree *ext_tree_quint;
|
|
proto_item *te_quint;
|
|
guint16 q_offset, i;
|
|
guint8 xres_len, auth_len;
|
|
|
|
q_offset = 0;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
ext_tree_quint = proto_tree_add_subtree_format(tree, tvb, offset, -1,
|
|
ett_gtp_quint, &te_quint, "Quintuplet #%x", i + 1);
|
|
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_rand, tvb, offset + q_offset, 16, ENC_NA);
|
|
q_offset = q_offset + 16;
|
|
xres_len = tvb_get_guint8(tvb, offset + q_offset);
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_xres_length, tvb, offset + q_offset, 1, ENC_BIG_ENDIAN);
|
|
q_offset++;
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_xres, tvb, offset + q_offset, xres_len, ENC_NA);
|
|
q_offset = q_offset + xres_len;
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_quintuplet_ciphering_key, tvb, offset + q_offset, 16, ENC_NA);
|
|
q_offset = q_offset + 16;
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_quintuplet_integrity_key, tvb, offset + q_offset, 16, ENC_NA);
|
|
q_offset = q_offset + 16;
|
|
auth_len = tvb_get_guint8(tvb, offset + q_offset);
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_authentication_length, tvb, offset + q_offset, 1, ENC_BIG_ENDIAN);
|
|
q_offset++;
|
|
proto_tree_add_item(ext_tree_quint, hf_gtp_auth, tvb, offset + q_offset, auth_len, ENC_NA);
|
|
|
|
q_offset = q_offset + auth_len;
|
|
proto_item_set_end(te_quint, tvb, offset + q_offset);
|
|
|
|
}
|
|
|
|
return q_offset;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.19 page
|
|
* UMTS: 29.060 v4.0, chapter 7.7.28 page 57
|
|
* TODO: - check if for quintuplets first 2 bytes are length, according to AuthQuint
|
|
* - finish displaying last 3 parameters
|
|
*/
|
|
static int
|
|
decode_gtp_mm_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, con_len;
|
|
guint8 count, sec_mode, len, iei;
|
|
proto_tree *ext_tree_mm;
|
|
proto_tree *tf_tree = NULL, *con_tree;
|
|
|
|
ext_tree_mm = proto_tree_add_subtree(tree, tvb, offset, 1, ett_gtp_ies[GTP_EXT_MM_CNTXT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MM_CNTXT, >p_val_ext, "Unknown message"));
|
|
|
|
/* Octet 2 - 3 */
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
if (length < 1)
|
|
return 3;
|
|
|
|
/* Octet 4 (cksn)*/
|
|
|
|
/* Octet 5 */
|
|
sec_mode = (tvb_get_guint8(tvb, offset + 4) >> 6) & 0x03;
|
|
count = (tvb_get_guint8(tvb, offset + 4) >> 3) & 0x07;
|
|
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
if (gtp_version == 0)
|
|
sec_mode = 1;
|
|
|
|
|
|
switch (sec_mode) {
|
|
case 0: /* Used cipher value, UMTS keys and Quintuplets */
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cksn_ksi, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_security_mode, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_no_of_vectors, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cipher_algorithm, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_ciphering_key_ck, tvb, offset + 5, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_integrity_key_ik, tvb, offset + 21, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_quintuplets_length, tvb, offset + 37, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset + 39, ext_tree_mm, count) + 39;
|
|
|
|
|
|
break;
|
|
case 1: /* GSM key and triplets */
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cksn, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
if (gtp_version != 0)
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_security_mode, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_no_of_vectors, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cipher_algorithm, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_ciphering_key_kc, tvb, offset + 5, 8, ENC_NA);
|
|
|
|
offset = offset + decode_triplet(tvb, offset + 13, ext_tree_mm, count) + 13;
|
|
|
|
break;
|
|
case 2: /* UMTS key and quintuplets */
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_ksi, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_security_mode, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_no_of_vectors, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_ciphering_key_ck, tvb, offset + 5, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_integrity_key_ik, tvb, offset + 21, 16, ENC_NA);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_quintuplets_length, tvb, offset + 37, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset + 39, ext_tree_mm, count) + 39;
|
|
|
|
break;
|
|
case 3: /* GSM key and quintuplets */
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cksn, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_security_mode, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_no_of_vectors, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_cipher_algorithm, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_ciphering_key_kc, tvb, offset + 5, 8, ENC_NA);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_quintuplets_length, tvb, offset + 13, 2, ENC_BIG_ENDIAN);
|
|
|
|
offset = offset + decode_quintuplet(tvb, offset + 15, ext_tree_mm, count) + 15;
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* 3GPP TS 24.008 10.5.5.6 ( see packet-gsm_a.c )
|
|
*/
|
|
tf_tree = proto_tree_add_subtree(ext_tree_mm, tvb, offset, 2, ett_gtp_drx, NULL, "DRX Parameter");
|
|
de_gmm_drx_param(tvb, tf_tree, pinfo, offset, 2, NULL, 0);
|
|
offset = offset + 2;
|
|
|
|
len = tvb_get_guint8(tvb, offset);
|
|
tf_tree = proto_tree_add_subtree(ext_tree_mm, tvb, offset, len + 1, ett_gtp_net_cap, NULL, "MS Network Capability");
|
|
|
|
proto_tree_add_uint(tf_tree, hf_gtp_ms_network_cap_content_len, tvb, offset, 1, len);
|
|
|
|
offset++;
|
|
/*
|
|
* GPP TS 24.008 10.5.5.12 ( see packet-gsm_a.c )
|
|
*/
|
|
de_gmm_ms_net_cap(tvb, tf_tree, pinfo, offset, len, NULL, 0);
|
|
offset = offset + len;
|
|
|
|
/* 3GPP TS 29.060 version 9.4.0 Release 9
|
|
* The two octets Container Length holds the length of the Container, excluding the Container Length octets.
|
|
* Container contains one or several optional information elements as described in the clause "Overview", from the clause
|
|
* "General message format and information elements coding" in 3GPP TS 24.008 [5]. For the definition of the IEI see
|
|
* table 47a, "IEIs for information elements used in the container". The IMEISV shall, if available, be included in the
|
|
* Container. The IMEISV is included in the Mobile identity IE. If Container is not included, its Length field value shall
|
|
* be set to 0. If the MS is emergency attached and the MS is UICCless or the IMSI is unauthenticated, the International
|
|
* Mobile Equipment Identity (IMEI) shall be used as the MS identity.
|
|
*
|
|
* Table 47A: IEIs for information elements used in the container
|
|
* IEI Information element
|
|
* 0x23 Mobile identity
|
|
*
|
|
* NOTE: In 3GPP TS 24.008 [5] the IEI definition is
|
|
* message dependent. The table is added to
|
|
* have a unique definition in the present
|
|
* document for the used IEI in the MMcontext.
|
|
*/
|
|
|
|
con_len = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(ext_tree_mm, hf_gtp_container_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
if (con_len > 0) {
|
|
proto_item* ti;
|
|
|
|
con_tree = proto_tree_add_subtree(ext_tree_mm, tvb, offset, con_len, ett_gtp_mm_cntxt, NULL, "Container");
|
|
|
|
iei = tvb_get_guint8(tvb,offset);
|
|
ti = proto_tree_add_uint(con_tree, hf_gtp_iei, tvb, offset, 1, iei);
|
|
if (iei == 0x23) {
|
|
proto_item_append_text(ti, " (Mobile identity)");
|
|
offset++;
|
|
len = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_uint(con_tree, hf_gtp_iei_mobile_id_len, tvb, offset, 1, len);
|
|
offset++;
|
|
de_mid(tvb, con_tree, pinfo, offset, len, NULL, 0);
|
|
} else {
|
|
expert_add_info(pinfo, ti, &ei_gtp_iei);
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* Function to extract the value of an hexadecimal octet. Only the lower
|
|
* nybble will be non-zero in the output.
|
|
* */
|
|
static guint8
|
|
hex2dec(guint8 x)
|
|
{
|
|
/* XXX, ws_xton() */
|
|
if ((x >= 'a') && (x <= 'f'))
|
|
x = x - 'a' + 10;
|
|
else if ((x >= 'A') && (x <= 'F'))
|
|
x = x - 'A' + 10;
|
|
else if ((x >= '0') && (x <= '9'))
|
|
x = x - '0';
|
|
else
|
|
x = 0;
|
|
return x;
|
|
}
|
|
|
|
/* Wrapper function to add UTF-8 decoding for QoS attributes in
|
|
* RADIUS messages.
|
|
* */
|
|
static guint8
|
|
wrapped_tvb_get_guint8(tvbuff_t * tvb, int offset, int type)
|
|
{
|
|
if (type == 2)
|
|
return (hex2dec(tvb_get_guint8(tvb, offset)) << 4 | hex2dec(tvb_get_guint8(tvb, offset + 1)));
|
|
else
|
|
return tvb_get_guint8(tvb, offset);
|
|
}
|
|
|
|
/* WARNING : actually length is coded on 2 octets for QoS profile but on 1 octet for PDP Context!
|
|
* so type means length of length :-)
|
|
*
|
|
* WARNING :) type does not mean length of length any more... see below for
|
|
* type = 3!
|
|
*/
|
|
static int
|
|
decode_qos_umts(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, const gchar * qos_str, guint8 type)
|
|
{
|
|
|
|
guint length;
|
|
guint8 al_ret_priority;
|
|
guint8 delay, reliability, peak, precedence, mean, spare1, spare2, spare3;
|
|
guint8 traf_class, del_order, del_err_sdu;
|
|
guint8 max_sdu_size, max_ul, max_dl, max_ul_ext, max_dl_ext, max_ul_ext2 = 0, max_dl_ext2 = 0;
|
|
guint8 res_ber, sdu_err_ratio;
|
|
guint8 trans_delay, traf_handl_prio;
|
|
guint8 guar_ul, guar_dl, guar_ul_ext, guar_dl_ext, guar_ul_ext2 = 0, guar_dl_ext2 = 0;
|
|
guint8 src_stat_desc, sig_ind;
|
|
proto_tree *ext_tree_qos;
|
|
int mss, mu, md, gu, gd;
|
|
guint8 arp, qci;
|
|
guint32 apn_ambr;
|
|
guint64 br;
|
|
|
|
/* Will keep if the input is UTF-8 encoded (as in RADIUS messages).
|
|
* If 1, input is *not* UTF-8 encoded (i.e. each input octet corresponds
|
|
* to one byte to be dissected).
|
|
* If 2, input is UTF-8 encoded (i.e. each *couple* of input octets
|
|
* corresponds to one byte to be dissected)
|
|
* */
|
|
guint8 utf8_type = 1;
|
|
|
|
/* Will keep the release indicator as indicated in the RADIUS message */
|
|
guint8 rel_ind = 0;
|
|
|
|
/* In RADIUS messages the QoS has a version field of two octets prepended.
|
|
* As of 29.061 v.3.a.0, there is an hyphen between "Release Indicator" and
|
|
* <release specific QoS IE UTF-8 encoding>. Even if it sounds rather
|
|
* inconsistent and unuseful, I will check hyphen presence here and
|
|
* will signal its presence.
|
|
* */
|
|
guint8 hyphen;
|
|
|
|
/* Will keep the value that will be returned
|
|
* */
|
|
int retval = 0;
|
|
|
|
switch (type) {
|
|
case 1:
|
|
length = tvb_get_guint8(tvb, offset);
|
|
ext_tree_qos = proto_tree_add_subtree(tree, tvb, offset, length + 1, ett_gtp_qos, NULL, qos_str);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_umts_length, tvb, offset, 1, length);
|
|
offset++;
|
|
retval = length + 1;
|
|
break;
|
|
case 2:
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree_qos = proto_tree_add_subtree(tree, tvb, offset, length + 3, ett_gtp_qos, NULL, qos_str);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_umts_length, tvb, offset + 1, 2, length);
|
|
offset += 3; /* +1 because of first 0x86 byte for UMTS QoS */
|
|
retval = length + 3;
|
|
break;
|
|
case 3:
|
|
/* For QoS inside RADIUS Client messages from GGSN/P-GW */
|
|
utf8_type = 2;
|
|
|
|
/* The field in the RADIUS message is the length of the tvb we were given */
|
|
length = tvb_reported_length(tvb);
|
|
ext_tree_qos = proto_tree_add_subtree(tree, tvb, offset, length, ett_gtp_qos, NULL, qos_str);
|
|
|
|
rel_ind = wrapped_tvb_get_guint8(tvb, offset, 2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_version, tvb, offset, 2, rel_ind);
|
|
|
|
/* Hyphen handling */
|
|
hyphen = tvb_get_guint8(tvb, offset + 2);
|
|
if (hyphen == ((guint8) '-')) {
|
|
/* Hyphen is present, put in protocol tree */
|
|
proto_tree_add_item(ext_tree_qos, hf_gtp_hyphen_separator, tvb, offset + 2, 1, ENC_NA);
|
|
offset++; /* "Get rid" of hyphen */
|
|
}
|
|
|
|
/* Now, we modify offset here and in order to use type later
|
|
* effectively.*/
|
|
offset++;
|
|
|
|
length -= offset;
|
|
length /= 2;
|
|
|
|
/* Fake the length of the IE including the IE id and length octets
|
|
* we are actually using it to determine precense of Octet n as counted in
|
|
* TS 24.008
|
|
*/
|
|
length = retval = length + 2; /* Actually, will be ignored. */
|
|
break;
|
|
default:
|
|
/* XXX - what should we do with the length here? */
|
|
length = 0;
|
|
retval = 0;
|
|
ext_tree_qos = NULL;
|
|
break;
|
|
}
|
|
|
|
if ((type == 3) && (rel_ind == 8)) {
|
|
/* Release 8 or higher P-GW QoS profile */
|
|
static const int * arp_flags[] = {
|
|
&hf_gtp_qos_arp_pci,
|
|
&hf_gtp_qos_arp_pl,
|
|
&hf_gtp_qos_arp_pvi,
|
|
NULL
|
|
};
|
|
|
|
offset++;
|
|
arp = wrapped_tvb_get_guint8(tvb, offset, 2);
|
|
proto_tree_add_bitmask_value_with_flags(ext_tree_qos, tvb, offset, hf_gtp_qos_arp,
|
|
ett_gtp_qos_arp, arp_flags, arp, BMT_NO_APPEND);
|
|
offset += 2;
|
|
|
|
qci = wrapped_tvb_get_guint8(tvb, offset, 2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_qci, tvb, offset, 2, qci);
|
|
offset += 2;
|
|
if (qci <= 4) {
|
|
/* GBR QCI */
|
|
br = ((guint64)wrapped_tvb_get_guint8(tvb, offset , 2) << 32) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+2, 2) << 24) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+4, 2) << 16) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+6, 2) << 8) |
|
|
(guint64)wrapped_tvb_get_guint8(tvb, offset+8, 2);
|
|
proto_tree_add_uint64(ext_tree_qos, hf_gtp_qos_ul_mbr, tvb, offset, 10, br);
|
|
offset += 10;
|
|
br = ((guint64)wrapped_tvb_get_guint8(tvb, offset , 2) << 32) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+2, 2) << 24) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+4, 2) << 16) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+6, 2) << 8) |
|
|
(guint64)wrapped_tvb_get_guint8(tvb, offset+8, 2);
|
|
proto_tree_add_uint64(ext_tree_qos, hf_gtp_qos_dl_mbr, tvb, offset, 10, br);
|
|
offset += 10;
|
|
br = ((guint64)wrapped_tvb_get_guint8(tvb, offset , 2) << 32) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+2, 2) << 24) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+4, 2) << 16) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+6, 2) << 8) |
|
|
(guint64)wrapped_tvb_get_guint8(tvb, offset+8, 2);
|
|
proto_tree_add_uint64(ext_tree_qos, hf_gtp_qos_ul_gbr, tvb, offset, 10, br);
|
|
offset += 10;
|
|
br = ((guint64)wrapped_tvb_get_guint8(tvb, offset , 2) << 32) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+2, 2) << 24) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+4, 2) << 16) |
|
|
((guint64)wrapped_tvb_get_guint8(tvb, offset+6, 2) << 8) |
|
|
(guint64)wrapped_tvb_get_guint8(tvb, offset+8, 2);
|
|
proto_tree_add_uint64(ext_tree_qos, hf_gtp_qos_dl_gbr, tvb, offset, 10, br);
|
|
} else {
|
|
/* non GBR QCI */
|
|
apn_ambr = (wrapped_tvb_get_guint8(tvb, offset , 2) << 24) |
|
|
(wrapped_tvb_get_guint8(tvb, offset+2, 2) << 16) |
|
|
(wrapped_tvb_get_guint8(tvb, offset+4, 2) << 8) |
|
|
wrapped_tvb_get_guint8(tvb, offset+6, 2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_ul_apn_ambr, tvb, offset, 8, apn_ambr);
|
|
offset += 8;
|
|
apn_ambr = (wrapped_tvb_get_guint8(tvb, offset , 2) << 24) |
|
|
(wrapped_tvb_get_guint8(tvb, offset+2, 2) << 16) |
|
|
(wrapped_tvb_get_guint8(tvb, offset+4, 2) << 8) |
|
|
wrapped_tvb_get_guint8(tvb, offset+6, 2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_dl_apn_ambr, tvb, offset, 8, apn_ambr);
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
/* In RADIUS messages there is no allocation-retention priority
|
|
* so I don't need to wrap the following call to tvb_get_guint8
|
|
* */
|
|
al_ret_priority = tvb_get_guint8(tvb, offset);
|
|
|
|
/* All calls are wrapped to take into account the possibility that the
|
|
* input is UTF-8 encoded. If utf8_type is equal to 1, the final value
|
|
* of the offset will be the same as in the previous version of this
|
|
* dissector, and the wrapped function will serve as a dumb wrapper;
|
|
* otherwise, if utf_8_type is 2, the offset is correctly shifted by
|
|
* two bytes for needed shift, and the wrapped function will unencode
|
|
* two values from the input.
|
|
* */
|
|
spare1 = wrapped_tvb_get_guint8(tvb, offset + (1 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SPARE1_MASK;
|
|
delay = wrapped_tvb_get_guint8(tvb, offset + (1 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_DELAY_MASK;
|
|
reliability = wrapped_tvb_get_guint8(tvb, offset + (1 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_RELIABILITY_MASK;
|
|
peak = wrapped_tvb_get_guint8(tvb, offset + (2 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_PEAK_MASK;
|
|
spare2 = wrapped_tvb_get_guint8(tvb, offset + (2 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SPARE2_MASK;
|
|
precedence = wrapped_tvb_get_guint8(tvb, offset + (2 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_PRECEDENCE_MASK;
|
|
spare3 = wrapped_tvb_get_guint8(tvb, offset + (3 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SPARE3_MASK;
|
|
mean = wrapped_tvb_get_guint8(tvb, offset + (3 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_MEAN_MASK;
|
|
|
|
/* In RADIUS messages there is no allocation-retention priority */
|
|
if (type != 3)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_al_ret_priority, tvb, offset, 1, al_ret_priority);
|
|
|
|
/* All additions must take care of the fact that QoS fields in RADIUS
|
|
* messages are UTF-8 encoded, so we have to use the same trick as above.
|
|
* */
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare1, tvb, offset + (1 - 1) * utf8_type + 1, utf8_type, spare1);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_delay, tvb, offset + (1 - 1) * utf8_type + 1, utf8_type, delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_reliability, tvb, offset + (1 - 1) * utf8_type + 1, utf8_type, reliability);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_peak, tvb, offset + (2 - 1) * utf8_type + 1, utf8_type, peak);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare2, tvb, offset + (2 - 1) * utf8_type + 1, utf8_type, spare2);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_precedence, tvb, offset + (2 - 1) * utf8_type + 1, utf8_type, precedence);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_spare3, tvb, offset + (3 - 1) * utf8_type + 1, utf8_type, spare3);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_mean, tvb, offset + (3 - 1) * utf8_type + 1, utf8_type, mean);
|
|
|
|
/* TS 24.008 V 7.8.0 10.5.6.5 Quality of service
|
|
* The quality of service is a type 4 information element with a minimum length of 14 octets and a maximum length of 18
|
|
* octets. The QoS requested by the MS shall be encoded both in the QoS attributes specified in octets 3-5 and in the QoS
|
|
* attributes specified in octets 6-14.
|
|
* In the MS to network direction and in the network to MS direction the following applies:
|
|
* - Octets 15-18 are optional. If octet 15 is included, then octet 16 shall also be included, and octets 17 and 18 may
|
|
* be included.
|
|
* - If octet 17 is included, then octet 18 shall also be included.
|
|
* - A QoS IE received without octets 6-18, without octets 14-18, without octets 15-18, or without octets 17-18 shall
|
|
* be accepted by the receiving entity.
|
|
*/
|
|
|
|
if (length > 4) {
|
|
|
|
/* See above for the need of wrapping
|
|
*
|
|
*/
|
|
/* Octet 6 */
|
|
traf_class = wrapped_tvb_get_guint8(tvb, offset + (4 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_TRAF_CLASS_MASK;
|
|
del_order = wrapped_tvb_get_guint8(tvb, offset + (4 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_DEL_ORDER_MASK;
|
|
del_err_sdu = wrapped_tvb_get_guint8(tvb, offset + (4 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_DEL_ERR_SDU_MASK;
|
|
max_sdu_size = wrapped_tvb_get_guint8(tvb, offset + (5 - 1) * utf8_type + 1, utf8_type);
|
|
max_ul = wrapped_tvb_get_guint8(tvb, offset + (6 - 1) * utf8_type + 1, utf8_type);
|
|
max_dl = wrapped_tvb_get_guint8(tvb, offset + (7 - 1) * utf8_type + 1, utf8_type);
|
|
res_ber = wrapped_tvb_get_guint8(tvb, offset + (8 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_RES_BER_MASK;
|
|
sdu_err_ratio = wrapped_tvb_get_guint8(tvb, offset + (8 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SDU_ERR_RATIO_MASK;
|
|
trans_delay = wrapped_tvb_get_guint8(tvb, offset + (9 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_TRANS_DELAY_MASK;
|
|
traf_handl_prio = wrapped_tvb_get_guint8(tvb, offset + (9 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK;
|
|
guar_ul = wrapped_tvb_get_guint8(tvb, offset + (10 - 1) * utf8_type + 1, utf8_type);
|
|
/* Octet 13 */
|
|
guar_dl = wrapped_tvb_get_guint8(tvb, offset + (11 - 1) * utf8_type + 1, utf8_type);
|
|
|
|
src_stat_desc = 0;
|
|
sig_ind = 0;
|
|
max_dl_ext = 0;
|
|
guar_dl_ext = 0;
|
|
max_ul_ext = 0;
|
|
guar_ul_ext = 0;
|
|
|
|
if (length > 13 ||((type == 2) && (length == 13))) {
|
|
src_stat_desc = wrapped_tvb_get_guint8(tvb, offset + (12 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SRC_STAT_DESC_MASK;
|
|
sig_ind = wrapped_tvb_get_guint8(tvb, offset + (12 - 1) * utf8_type + 1, utf8_type) & GTP_EXT_QOS_SIG_IND_MASK;
|
|
}
|
|
if (length > 14) {
|
|
max_dl_ext = wrapped_tvb_get_guint8(tvb, offset + (13 - 1) * utf8_type + 1, utf8_type);
|
|
guar_dl_ext = wrapped_tvb_get_guint8(tvb, offset + (14 - 1) * utf8_type + 1, utf8_type);
|
|
}
|
|
if (length > 16) {
|
|
max_ul_ext = wrapped_tvb_get_guint8(tvb, offset + (15 - 1) * utf8_type + 1, utf8_type);
|
|
guar_ul_ext = wrapped_tvb_get_guint8(tvb, offset + (16 - 1) * utf8_type + 1, utf8_type);
|
|
}
|
|
if (length > 18) {
|
|
max_dl_ext2 = wrapped_tvb_get_guint8(tvb, offset + (17 - 1) * utf8_type + 1, utf8_type);
|
|
guar_dl_ext2 = wrapped_tvb_get_guint8(tvb, offset + (18 - 1) * utf8_type + 1, utf8_type);
|
|
}
|
|
if (length > 20) {
|
|
max_ul_ext2 = wrapped_tvb_get_guint8(tvb, offset + (19 - 1) * utf8_type + 1, utf8_type);
|
|
guar_ul_ext2 = wrapped_tvb_get_guint8(tvb, offset + (20 - 1) * utf8_type + 1, utf8_type);
|
|
}
|
|
|
|
/*
|
|
* See above comments for the changes
|
|
*/
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_traf_class, tvb, offset + (4 - 1) * utf8_type + 1, utf8_type, traf_class);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_del_order, tvb, offset + (4 - 1) * utf8_type + 1, utf8_type, del_order);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_del_err_sdu, tvb, offset + (4 - 1) * utf8_type + 1, utf8_type, del_err_sdu);
|
|
if (max_sdu_size == 0 || max_sdu_size > 150)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_sdu_size, tvb, offset + (5 - 1) * utf8_type + 1, utf8_type, max_sdu_size);
|
|
if ((max_sdu_size > 0) && (max_sdu_size <= 150)) {
|
|
mss = max_sdu_size * 10;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_sdu_size, tvb, offset + (5 - 1) * utf8_type + 1, utf8_type, mss,
|
|
"%u octets", mss);
|
|
}
|
|
|
|
if (max_ul == 0 || max_ul == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (6 - 1) * utf8_type + 1, utf8_type, max_ul);
|
|
if ((max_ul > 0) && (max_ul <= 63))
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (6 - 1) * utf8_type + 1, utf8_type, max_ul,
|
|
"%u kbps", max_ul);
|
|
if ((max_ul > 63) && (max_ul <= 127)) {
|
|
mu = 64 + (max_ul - 64) * 8;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (6 - 1) * utf8_type + 1, utf8_type, mu,
|
|
"%u kbps", mu);
|
|
}
|
|
|
|
if ((max_ul > 127) && (max_ul <= 254)) {
|
|
mu = 576 + (max_ul - 128) * 64;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (6 - 1) * utf8_type + 1, utf8_type, mu,
|
|
"%u kbps", mu);
|
|
}
|
|
|
|
if (max_dl == 0 || max_dl == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (7 - 1) * utf8_type + 1, utf8_type, max_dl);
|
|
if ((max_dl > 0) && (max_dl <= 63))
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (7 - 1) * utf8_type + 1, utf8_type, max_dl,
|
|
"%u kbps", max_dl);
|
|
if ((max_dl > 63) && (max_dl <= 127)) {
|
|
md = 64 + (max_dl - 64) * 8;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (7 - 1) * utf8_type + 1, utf8_type, md,
|
|
"%u kbps", md);
|
|
}
|
|
if ((max_dl > 127) && (max_dl <= 254)) {
|
|
md = 576 + (max_dl - 128) * 64;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (7 - 1) * utf8_type + 1, utf8_type, md,
|
|
"%u kbps", md);
|
|
}
|
|
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_res_ber, tvb, offset + (8 - 1) * utf8_type + 1, utf8_type, res_ber);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_sdu_err_ratio, tvb, offset + (8 - 1) * utf8_type + 1, utf8_type, sdu_err_ratio);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_trans_delay, tvb, offset + (9 - 1) * utf8_type + 1, utf8_type, trans_delay);
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_traf_handl_prio, tvb, offset + (9 - 1) * utf8_type + 1, utf8_type, traf_handl_prio);
|
|
|
|
if (guar_ul == 0 || guar_ul == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (10 - 1) * utf8_type + 1, utf8_type, guar_ul);
|
|
if ((guar_ul > 0) && (guar_ul <= 63))
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (10 - 1) * utf8_type + 1, utf8_type, guar_ul,
|
|
"%u kbps", guar_ul);
|
|
if ((guar_ul > 63) && (guar_ul <= 127)) {
|
|
gu = 64 + (guar_ul - 64) * 8;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (10 - 1) * utf8_type + 1, utf8_type, gu,
|
|
"%u kbps", gu);
|
|
}
|
|
if ((guar_ul > 127) && (guar_ul <= 254)) {
|
|
gu = 576 + (guar_ul - 128) * 64;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (10 - 1) * utf8_type + 1, utf8_type, gu,
|
|
"%u kbps", gu);
|
|
}
|
|
|
|
/* Octet 13 */
|
|
if (guar_dl == 0 || guar_dl == 255)
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (11 - 1) * utf8_type + 1, utf8_type, guar_dl);
|
|
if ((guar_dl > 0) && (guar_dl <= 63))
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (11 - 1) * utf8_type + 1, utf8_type, guar_dl,
|
|
"%u kbps", guar_dl);
|
|
if ((guar_dl > 63) && (guar_dl <= 127)) {
|
|
gd = 64 + (guar_dl - 64) * 8;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (11 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"%u kbps", gd);
|
|
}
|
|
if ((guar_dl > 127) && (guar_dl <= 254)) {
|
|
gd = 576 + (guar_dl - 128) * 64;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (11 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"%u kbps", gd);
|
|
}
|
|
|
|
if(length > 13 ||((type == 2) && (length == 13))) {
|
|
proto_tree_add_uint(ext_tree_qos, hf_gtp_qos_src_stat_desc, tvb, offset + (12 - 1) * utf8_type + 1, utf8_type, src_stat_desc);
|
|
proto_tree_add_boolean(ext_tree_qos, hf_gtp_qos_sig_ind, tvb, offset + (12 - 1) * utf8_type + 1, utf8_type, sig_ind);
|
|
}
|
|
|
|
|
|
if(length > 14) {
|
|
/* Octet 15 */
|
|
if ((max_dl_ext > 0) && (max_dl_ext <= 0x4a)) {
|
|
md = 8600 + max_dl_ext * 100;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (13 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u kbps", md);
|
|
}
|
|
if ((max_dl_ext > 0x4a) && (max_dl_ext <= 0xba)) {
|
|
md = 16 + (max_dl_ext-0x4a);
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (13 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u Mbps", md);
|
|
}
|
|
if ((max_dl_ext > 0xba) && (max_dl_ext <= 0xfa)) {
|
|
md = 128 + (max_dl_ext-0xba)*2;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_dl, tvb, offset + (13 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u Mbps", md);
|
|
}
|
|
/* Octet 16 */
|
|
if(guar_dl_ext == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_guaranteed_bit_rate_value, tvb, offset + (14 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Guaranteed bit rate for downlink in octet 13");
|
|
if ((guar_dl_ext > 0) && (guar_dl_ext <= 0x4a)) {
|
|
gd = 8600 + guar_dl_ext * 100;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (14 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"%u kbps", gd);
|
|
}
|
|
if ((guar_dl_ext > 0x4a) && (max_dl_ext <= 0xba)) {
|
|
gd = 16 + (guar_dl_ext-0x4a);
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (14 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"%u Mbps", gd);
|
|
}
|
|
if ((guar_dl_ext > 0xba) && (max_dl_ext <= 0xfa)) {
|
|
gd = 128 + (guar_dl_ext-0xba)*2;
|
|
proto_tree_add_uint_format_value(ext_tree_qos, hf_gtp_qos_guar_dl, tvb, offset + (14 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"%u Mbps", gd);
|
|
}
|
|
|
|
}
|
|
if(length > 16) {
|
|
/* Octet 17
|
|
* This field is an extension of the Maximum bit rate for uplink in octet 8. The coding is identical to that of the Maximum bit
|
|
* rate for downlink (extended).
|
|
*/
|
|
if ((max_ul_ext > 0) && (max_ul_ext <= 0x4a)) {
|
|
md = 8600 + max_ul_ext * 100;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u kbps", md);
|
|
}
|
|
if ((max_ul_ext > 0x4a) && (max_ul_ext <= 0xba)) {
|
|
md = 16 + (max_ul_ext-0x4a);
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u Mbps", md);
|
|
}
|
|
if ((max_ul_ext > 0xba) && (max_ul_ext <= 0xfa)) {
|
|
md = 128 + (max_ul_ext-0xba)*2;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u Mbps", md);
|
|
}
|
|
/* Octet 18 */
|
|
if (guar_ul_ext == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_guaranteed_bit_rate_value, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Guaranteed bit rate for uplink in octet 12");
|
|
if ((guar_ul_ext > 0) && (guar_ul_ext <= 0x4a)) {
|
|
gd = 8600 + guar_ul_ext * 100;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u kbps", gd);
|
|
}
|
|
if ((guar_ul_ext > 0x4a) && (guar_ul_ext <= 0xba)) {
|
|
gd = 16 + (guar_ul_ext-0x4a);
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
if ((guar_ul_ext > 0xba) && (guar_ul_ext <= 0xfa)) {
|
|
gd = 128 + (guar_ul_ext-0xba)*2;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
}
|
|
|
|
if(length > 18) {
|
|
/* Octet 19 Maximum bit rate for downlink (extended-2)
|
|
* This field is an extension of the Maximum bit rate for uplink in octet 8. The coding is identical to that of the Maximum bit
|
|
* rate for downlink (extended).
|
|
*/
|
|
if (guar_dl_ext2 == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_max_bit_rate_value, tvb, offset + (17 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Maximum bit rate for downlink in octet 9 and octet 15.");
|
|
|
|
if ((max_dl_ext2 > 0) && (max_dl_ext2 <= 0x3d)) {
|
|
md = 256 + max_dl_ext2 * 4;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u Mbps", md);
|
|
}
|
|
if ((max_dl_ext2 > 0x3d) && (max_dl_ext2 <= 0xa1)) {
|
|
md = 500 + (max_dl_ext2-0x3d) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u Mbps", md);
|
|
}
|
|
if ((max_dl_ext2 > 0xa1) && (max_dl_ext2 <= 0xf6)) {
|
|
md = 1500 + (max_dl_ext2-0xa1)*10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for downlink: %u Mbps", md);
|
|
}
|
|
/* Octet 20 Guaranteed bit rate for downlink (extended-2) */
|
|
if (max_dl_ext2 == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_max_bit_rate_value, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Maximum bit rate for downlink in octet 13 and octet 16.");
|
|
if ((max_dl_ext2 > 0) && (max_dl_ext2 <= 0x3d)) {
|
|
gd = 256 + max_dl_ext2 * 4;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for downlink: %u Mbps", gd);
|
|
}
|
|
if ((max_dl_ext2 > 0x3d) && (max_dl_ext2 <= 0xa1)) {
|
|
gd = 500 + (max_dl_ext2-0x3d) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for downlink: %u Mbps", gd);
|
|
}
|
|
if ((max_dl_ext2 > 0xba) && (max_dl_ext2 <= 0xfa)) {
|
|
gd = 1500 + (max_dl_ext2-0xa1) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
}
|
|
|
|
if(length > 20) {
|
|
/* Maximum bit rate for uplink (extended-2), octet 21
|
|
* This field is an extension of the Maximum bit rate for uplink in octet 8. The coding is identical to that of the Maximum bit
|
|
* rate for downlink (extended).
|
|
*/
|
|
if (guar_ul_ext2 == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_max_bit_rate_value, tvb, offset + (17 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Maximum bit rate for uplink in octet 9 and octet 15.");
|
|
|
|
if ((max_ul_ext2 > 0) && (max_ul_ext2 <= 0x3d)) {
|
|
md = 256 + max_ul_ext2 * 4;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u Mbps", md);
|
|
}
|
|
if ((max_ul_ext2 > 0x3d) && (max_ul_ext2 <= 0xa1)) {
|
|
md = 500 + (max_ul_ext2-0x3d) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u Mbps", md);
|
|
}
|
|
if ((max_ul_ext2 > 0xa1) && (max_ul_ext2 <= 0xf6)) {
|
|
md = 1500 + (max_ul_ext2-0xa1)*10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_max_ul, tvb, offset + (15 - 1) * utf8_type + 1, utf8_type, md,
|
|
"Ext Maximum bit rate for uplink: %u Mbps", md);
|
|
}
|
|
/* Guaranteed bit rate for uplink (extended-2), octet 22 */
|
|
if (max_ul_ext2 == 0)
|
|
proto_tree_add_expert_format(ext_tree_qos, pinfo, &ei_gtp_max_bit_rate_value, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type,
|
|
"Use the value indicated by the Maximum bit rate for uplink in octet 13 and octet 16.");
|
|
if ((max_ul_ext2 > 0) && (max_ul_ext2 <= 0x3d)) {
|
|
gd = 256 + max_ul_ext2 * 4;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
if ((max_ul_ext2 > 0x3d) && (max_ul_ext2 <= 0xa1)) {
|
|
gd = 500 + (max_ul_ext2-0x3d) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
if ((max_ul_ext2 > 0xba) && (max_ul_ext2 <= 0xfa)) {
|
|
gd = 1500 + (max_ul_ext2-0xa1) * 10;
|
|
proto_tree_add_uint_format(ext_tree_qos, hf_gtp_qos_guar_ul, tvb, offset + (16 - 1) * utf8_type + 1, utf8_type, gd,
|
|
"Ext Guaranteed bit rate for uplink: %u Mbps", gd);
|
|
}
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* Diameter 3GPP AVP Code: 5 3GPP-GPRS Negotiated QoS profile */
|
|
static int
|
|
dissect_diameter_3gpp_qosprofile(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) {
|
|
|
|
decode_qos_umts(tvb, 0, pinfo, tree, "UMTS GTP QoS Profile", 3);
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
|
|
static const gchar *
|
|
dissect_radius_qos_umts(proto_tree * tree, tvbuff_t * tvb, packet_info* pinfo)
|
|
{
|
|
decode_qos_umts(tvb, 0, pinfo, tree, "UMTS GTP QoS Profile", 3);
|
|
return tvb_get_string_enc(wmem_packet_scope(), tvb, 0, tvb_reported_length(tvb), ENC_UTF_8|ENC_NA);
|
|
}
|
|
|
|
#define MAX_APN_LENGTH 100
|
|
|
|
static void
|
|
decode_apn(tvbuff_t * tvb, int offset, guint16 length, proto_tree * tree, proto_item *item)
|
|
{
|
|
guint8 str[MAX_APN_LENGTH+1];
|
|
guint curr_len;
|
|
|
|
/* init buffer and copy it */
|
|
memset(str, 0, MAX_APN_LENGTH+1);
|
|
tvb_memcpy(tvb, str, offset, length<MAX_APN_LENGTH?length:MAX_APN_LENGTH);
|
|
|
|
curr_len = 0;
|
|
while ((curr_len < length) && (curr_len < MAX_APN_LENGTH))
|
|
{
|
|
guint step = str[curr_len];
|
|
str[curr_len] = '.';
|
|
curr_len += step+1;
|
|
}
|
|
|
|
/* Highlight bytes including the first length byte */
|
|
proto_tree_add_string(tree, hf_gtp_apn, tvb, offset, length, str+1);
|
|
if(item){
|
|
proto_item_append_text(item, ": %s", str+1);
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
decode_fqdn(tvbuff_t * tvb, int offset, guint16 length, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint8 *fqdn = NULL;
|
|
int name_len, tmp;
|
|
|
|
if (length > 0) {
|
|
name_len = tvb_get_guint8(tvb, offset);
|
|
|
|
if (name_len < 0x20) {
|
|
fqdn = tvb_get_string_enc(wmem_packet_scope(), tvb, offset + 1, length - 1, ENC_ASCII);
|
|
for (;;) {
|
|
if (name_len >= length - 1)
|
|
break;
|
|
tmp = name_len;
|
|
name_len = name_len + fqdn[tmp] + 1;
|
|
fqdn[tmp] = '.';
|
|
}
|
|
} else
|
|
fqdn = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, length, ENC_ASCII);
|
|
|
|
proto_tree_add_string(tree, hf_gtp_fqdn, tvb, offset, length, fqdn);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* GPRS: 9.60 v7.6.0, chapter 7.9.20
|
|
* UMTS: 29.060 v4.0, chapter 7.7.29 PDP Context
|
|
* TODO: unify addr functions
|
|
*/
|
|
static int
|
|
decode_gtp_pdp_cntxt(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint8 ggsn_addr_len, apn_len, trans_id, ea;
|
|
guint8 pdp_type_num, pdp_addr_len;
|
|
guint16 length;
|
|
proto_tree *ext_tree_pdp;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_pdp = proto_tree_add_subtree(tree, tvb, offset, length + 3, ett_gtp_ies[GTP_EXT_PDP_CNTXT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_PDP_CNTXT, >p_val_ext, "Unknown message"));
|
|
|
|
ea = (tvb_get_guint8(tvb, offset + 3) >> 7) & 0x01;
|
|
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_extended_end_user_address, tvb, offset + 3, 1, ENC_NA);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_vplmn_address_allowed, tvb, offset + 3, 1, ENC_NA);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_activity_status_indicator, tvb, offset + 3, 1, ENC_NA);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_reordering_required, tvb, offset + 3, 1, ENC_NA);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_nsapi, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_cntxt_sapi, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
decode_qos_gprs(tvb, offset + 5, ext_tree_pdp, "QoS subscribed", 0);
|
|
decode_qos_gprs(tvb, offset + 8, ext_tree_pdp, "QoS requested", 0);
|
|
decode_qos_gprs(tvb, offset + 11, ext_tree_pdp, "QoS negotiated", 0);
|
|
offset = offset + 14;
|
|
break;
|
|
case 1:
|
|
offset = offset + 5;
|
|
offset = offset + decode_qos_umts(tvb, offset, pinfo, ext_tree_pdp, "QoS subscribed", 1);
|
|
offset = offset + decode_qos_umts(tvb, offset, pinfo, ext_tree_pdp, "QoS requested", 1);
|
|
offset = offset + decode_qos_umts(tvb, offset, pinfo, ext_tree_pdp, "QoS negotiated", 1);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_sequence_number_down, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_sequence_number_up, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_send_n_pdu_number, tvb, offset + 4, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_receive_n_pdu_number, tvb, offset + 5, 1, ENC_BIG_ENDIAN);
|
|
|
|
switch (gtp_version) {
|
|
case 0:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_uplink_flow_label_signalling, tvb, offset + 6, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 8;
|
|
break;
|
|
case 1:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ulink_teid_cp, tvb, offset + 6, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ulink_teid_data, tvb, offset + 10, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_context_identifier, tvb, offset + 14, 1, ENC_BIG_ENDIAN);
|
|
offset = offset + 15;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
pdp_type_num = tvb_get_guint8(tvb, offset + 1);
|
|
pdp_addr_len = tvb_get_guint8(tvb, offset + 2);
|
|
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_organization, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_type, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_length, tvb, offset + 2, 1, ENC_BIG_ENDIAN);
|
|
|
|
if (pdp_addr_len > 0) {
|
|
switch (pdp_type_num) {
|
|
case 0x21:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_ipv4, tvb, offset + 3, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 0x57:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_ipv6, tvb, offset + 3, 16, ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
offset = offset + 3 + pdp_addr_len;
|
|
|
|
ggsn_addr_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_address_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
switch (ggsn_addr_len) {
|
|
case 4:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_address_for_control_plane, tvb, offset + 1, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 16:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_address_for_user_traffic, tvb, offset + 1, 16, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
offset = offset + 1 + ggsn_addr_len;
|
|
|
|
if (gtp_version == 1) {
|
|
|
|
ggsn_addr_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_2_address_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
switch (ggsn_addr_len) {
|
|
case 4:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_2_address_ipv4, tvb, offset + 1, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 16:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_ggsn_2_address_ipv6, tvb, offset + 1, 16, ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
offset = offset + 1 + ggsn_addr_len;
|
|
|
|
}
|
|
|
|
apn_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_apn_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
decode_apn(tvb, offset + 1, apn_len, ext_tree_pdp, NULL);
|
|
|
|
offset = offset + 1 + apn_len;
|
|
/*
|
|
* The Transaction Identifier is the 4 or 12 bit Transaction Identifier used in the 3GPP TS 24.008 [5] Session Management
|
|
* messages which control this PDP Context. If the length of the Transaction Identifier is 4 bit, the second octet shall be
|
|
* set to all zeros. The encoding is defined in 3GPP TS 24.007 [3]. The latest Transaction Identifier sent from SGSN to
|
|
* MS is stored in the PDP context IE.
|
|
* NOTE: Bit 5-8 of the first octet in the encoding defined in 3GPP TS 24.007 [3] is mapped into bit 1-4 of the first
|
|
* octet in this field.
|
|
*/
|
|
trans_id = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(ext_tree_pdp, hf_gtp_transaction_identifier, tvb, offset, 2, trans_id);
|
|
offset += 2;
|
|
|
|
if (ea) {
|
|
pdp_type_num = tvb_get_guint8(tvb, offset);
|
|
pdp_addr_len = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_length, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
|
|
if (pdp_addr_len > 0) {
|
|
switch (pdp_type_num) {
|
|
case 0x21:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_ipv4, tvb, offset + 2, 4, ENC_NA);
|
|
break;
|
|
case 0x57:
|
|
proto_tree_add_item(ext_tree_pdp, hf_gtp_pdp_address_ipv6, tvb, offset + 2, 16, ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 9.60, v7.6.0, chapter 7.9.21
|
|
* UMTS: 29.060, v4.0, chapter 7.7.30
|
|
*/
|
|
static int
|
|
decode_gtp_apn(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_apn;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_apn = proto_tree_add_subtree(tree, tvb, offset, length + 3, ett_gtp_ies[GTP_EXT_APN], &te,
|
|
val_to_str_ext_const(GTP_EXT_APN, >p_val_ext, "Unknown field"));
|
|
|
|
proto_tree_add_item(ext_tree_apn, hf_gtp_apn_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
decode_apn(tvb, offset + 3, length, ext_tree_apn, te);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.22
|
|
* 4.08 v. 7.1.2, chapter 10.5.6.3 (p.580)
|
|
* UMTS: 29.060 v4.0, chapter 7.7.31 Protocol Configuration Options
|
|
* 24.008, v4.2, chapter 10.5.6.3
|
|
*/
|
|
int
|
|
decode_gtp_proto_conf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
tvbuff_t *next_tvb;
|
|
proto_tree *ext_tree_proto;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_proto = proto_tree_add_subtree(tree, tvb, offset, length + 3,
|
|
ett_gtp_proto, NULL, val_to_str_ext_const(GTP_EXT_PROTO_CONF, >p_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_uint(ext_tree_proto, hf_gtp_length, tvb, offset + 1, 2, length);
|
|
|
|
if (length < 1)
|
|
return 3;
|
|
|
|
/* The Protocol Configuration Options contains external network protocol options that may be necessary to transfer
|
|
* between the GGSN and the MS. The content and the coding of the Protocol Configuration are defined in octet 3-z of the
|
|
* Protocol Configuration Options in3GPP TS 24.008 [5].
|
|
*/
|
|
next_tvb = tvb_new_subset_length(tvb, offset + 3, length);
|
|
de_sm_pco(next_tvb, ext_tree_proto, pinfo, 0, length, NULL, 0);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.23
|
|
* UMTS: 29.060 v4.0, chapter 7.7.32
|
|
*/
|
|
static int
|
|
decode_gtp_gsn_addr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args)
|
|
{
|
|
|
|
guint8 addr_type, addr_len;
|
|
guint16 length;
|
|
proto_tree *ext_tree_gsn_addr;
|
|
proto_item *te;
|
|
address *gsn_address;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_gsn_addr = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_gsn_addr, &te, "GSN address : ");
|
|
gsn_address = wmem_new0(wmem_packet_scope(), address);
|
|
switch (length) {
|
|
case 4:
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_address_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_ipv4, tvb, offset + 3, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, "%s", tvb_ip_to_str(tvb, offset + 3));
|
|
set_address_tvb(gsn_address, AT_IPv4, 4, tvb, offset + 3);
|
|
break;
|
|
case 5:
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_address_information_element_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
addr_type = tvb_get_guint8(tvb, offset + 3) & 0xC0;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_type, tvb, offset + 3, 1, addr_type);
|
|
addr_len = tvb_get_guint8(tvb, offset + 3) & 0x3F;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_len, tvb, offset + 3, 1, addr_len);
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_ipv4, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, "%s", tvb_ip_to_str(tvb, offset + 4));
|
|
set_address_tvb(gsn_address, AT_IPv6, 16, tvb, offset + 4);
|
|
break;
|
|
case 16:
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_address_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_ipv6, tvb, offset + 3, 16, ENC_NA);
|
|
proto_item_append_text(te, "%s", tvb_ip6_to_str(tvb, offset + 3));
|
|
set_address_tvb(gsn_address, AT_IPv4, 4, tvb, offset + 3);
|
|
break;
|
|
case 17:
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_address_information_element_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
addr_type = tvb_get_guint8(tvb, offset + 3) & 0xC0;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_type, tvb, offset + 3, 1, addr_type);
|
|
addr_len = tvb_get_guint8(tvb, offset + 3) & 0x3F;
|
|
proto_tree_add_uint(ext_tree_gsn_addr, hf_gtp_gsn_addr_len, tvb, offset + 3, 1, addr_len);
|
|
proto_item_append_text(te, "%s", tvb_ip6_to_str(tvb, offset + 4));
|
|
proto_tree_add_item(ext_tree_gsn_addr, hf_gtp_gsn_ipv6, tvb, offset + 4, 16, ENC_NA);
|
|
set_address_tvb(gsn_address, AT_IPv6, 16, tvb, offset + 4);
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
if (g_gtp_session && gtp_version == 1 && !PINFO_FD_VISITED(pinfo)) {
|
|
if (!ip_exists(*gsn_address, args->ip_list)) {
|
|
copy_address(&args->last_ip, gsn_address);
|
|
wmem_list_prepend(args->ip_list, gsn_address);
|
|
}
|
|
}
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.24
|
|
* UMTS: 29.060 v4.0, chapter 7.7.33
|
|
*/
|
|
static int
|
|
decode_gtp_msisdn(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
tvbuff_t *next_tvb;
|
|
proto_tree *ext_tree_proto;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_proto = proto_tree_add_subtree(tree, tvb, offset, length + 3, ett_gtp_proto, NULL,
|
|
val_to_str_ext_const(GTP_EXT_MSISDN, >p_val_ext, "Unknown message"));
|
|
|
|
proto_tree_add_uint(ext_tree_proto, hf_gtp_length, tvb, offset + 1, 2, length);
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
if (length < 1)
|
|
return 3;
|
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset+3, length);
|
|
dissect_gsm_map_msisdn(next_tvb, pinfo, ext_tree_proto);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.34
|
|
* 24.008 v4.2, chapter 10.5.6.5
|
|
*/
|
|
static int
|
|
decode_gtp_qos_umts(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
return decode_qos_umts(tvb, offset, pinfo, tree, "Quality of Service", 2);
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.35
|
|
*/
|
|
static int
|
|
decode_gtp_auth_qui(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree *ext_tree;
|
|
guint16 length;
|
|
guint8 xres_len, auth_len;
|
|
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, length + 1, ett_gtp_quint, NULL, "Quintuplet");
|
|
offset++;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_rand, tvb, offset, 16, ENC_NA);
|
|
offset = offset + 16;
|
|
xres_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree, hf_gtp_xres_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_xres, tvb, offset, xres_len, ENC_NA);
|
|
offset = offset + xres_len;
|
|
proto_tree_add_item(ext_tree, hf_gtp_quintuplet_ciphering_key, tvb, offset, 16, ENC_NA);
|
|
offset = offset + 16;
|
|
proto_tree_add_item(ext_tree, hf_gtp_quintuplet_integrity_key, tvb, offset, 16, ENC_NA);
|
|
offset = offset + 16;
|
|
auth_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree, hf_gtp_authentication_length, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_auth, tvb, offset, auth_len, ENC_NA);
|
|
|
|
return (3 + length);
|
|
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.36
|
|
* 24.008 v4.2, chapter 10.5.6.12
|
|
*/
|
|
static int
|
|
decode_gtp_tft(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
proto_tree *ext_tree_tft;
|
|
guint length;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_tft = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_tft, NULL, "Traffic flow template");
|
|
proto_tree_add_item(ext_tree_tft, hf_gtp_tft_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
|
|
/* The detailed coding of Traffic Flow Template
|
|
* 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, ext_tree_tft, pinfo, offset + 3, length, NULL, 0);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 3GPP TS 29.060 version 10.4.0 Release 10, chapter 7.7.37
|
|
* Type = 138 (Decimal)
|
|
* 25.413(RANAP) TargetID
|
|
* There are several CRs to to this IE make sure to check with a recent spec if dissection is questioned.
|
|
*/
|
|
static int
|
|
decode_gtp_target_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_TARGET_ID], NULL, "Target Identification");
|
|
offset = offset + 1;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
if (length == 0){
|
|
return 3 + length;
|
|
}
|
|
|
|
/* Quote from specification:
|
|
* The Target Identification information element contains the identification of a target RNC. Octets 4-n shall contain a
|
|
* non-transparent copy of the corresponding IEs (see subclause 7.7.2) and be encoded as specified in Figure 51 below.
|
|
* The "Target RNC-ID" part of the "Target ID" parameter is specified in 3GPP TS 25.413 [7].
|
|
* NOTE 1: The ASN.1 parameter "Target ID" is forwarded non-transparently in order to maintain backward compatibility.
|
|
* NOTE 2: The preamble of the "Target RNC-ID" (numerical value of e.g. 0x20) however shall not be included in
|
|
* octets 4-n. Also the optional "iE-Extensions" parameter shall not be included into the GTP IE.
|
|
*/
|
|
/* Octet 4-6 MCC + MNC */
|
|
if (length == 9) {
|
|
/* Patch for systems still not following NOTE 2 */
|
|
proto_tree_add_expert_format(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, 1, "Not Compliant with 3GPP TS 29.060 7.7.37: The preamble of the \"Target RNC-ID\" (numerical value of e.g. 0x20) however shall not be included in octets 4-n.");
|
|
offset+=1;
|
|
dissect_e212_mcc_mnc(tvb, pinfo, ext_tree, offset, E212_NONE, FALSE);
|
|
} else {
|
|
/* Following Standards */
|
|
dissect_e212_mcc_mnc(tvb, pinfo, ext_tree, offset, E212_NONE, TRUE);
|
|
}
|
|
offset+=3;
|
|
|
|
/* Octet 7-8 LAC */
|
|
proto_tree_add_item(ext_tree, hf_gtp_rai_lac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
/* Octet 9 RAC */
|
|
proto_tree_add_item(ext_tree, hf_gtp_rai_rac, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Octet 10-11 RNC-ID*/
|
|
proto_tree_add_item(ext_tree, hf_gtp_target_rnc_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
/* If the optional Extended RNC-ID is not included, then the length variable 'n' = 8 and the overall length of the IE is 11
|
|
* octets. Otherwise, 'n' = 10 and the overall length of the IE is 13 octets
|
|
*/
|
|
if(length == 10){
|
|
proto_tree_add_item(ext_tree, hf_gtp_target_ext_rnc_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.38
|
|
*/
|
|
static int
|
|
decode_gtp_utran_cont(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
tvbuff_t *new_tvb;
|
|
proto_tree *sub_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_UTRAN_CONT], NULL, "UTRAN transparent Container");
|
|
|
|
offset = offset + 1;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
proto_tree_add_item(ext_tree, hf_gtp_utran_field, tvb, offset, length, ENC_NA);
|
|
|
|
switch (pinfo->link_dir) {
|
|
case P2P_DIR_UL:
|
|
sub_tree = proto_tree_add_subtree(ext_tree, tvb, offset, length, ett_gtp_utran_cont, NULL, "Source RNC to Target RNC Transparent Container");
|
|
new_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
dissect_ranap_SourceRNC_ToTargetRNC_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL);
|
|
break;
|
|
case P2P_DIR_DL:
|
|
sub_tree = proto_tree_add_subtree(ext_tree, tvb, offset, length, ett_gtp_utran_cont, NULL, "Target RNC to Source RNC Transparent Container");
|
|
new_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
dissect_ranap_TargetRNC_ToSourceRNC_TransparentContainer_PDU(new_tvb, pinfo, sub_tree, NULL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.39
|
|
*/
|
|
static int
|
|
decode_gtp_rab_setup(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint32 teid;
|
|
guint16 length;
|
|
proto_tree *ext_tree_rab_setup;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_rab_setup = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_rab_setup, NULL, "Radio Access Bearer Setup Information");
|
|
|
|
proto_tree_add_item(ext_tree_rab_setup, hf_gtp_rab_setup_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree_rab_setup, hf_gtp_nsapi, tvb, offset + 3, 1, ENC_BIG_ENDIAN);
|
|
|
|
if (length > 1) {
|
|
|
|
teid = tvb_get_ntohl(tvb, offset + 4);
|
|
|
|
proto_tree_add_uint(ext_tree_rab_setup, hf_gtp_teid_data, tvb, offset + 4, 4, teid);
|
|
|
|
switch (length) {
|
|
case 9:
|
|
proto_tree_add_item(ext_tree_rab_setup, hf_gtp_rnc_ipv4, tvb, offset + 8, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 21:
|
|
proto_tree_add_item(ext_tree_rab_setup, hf_gtp_rnc_ipv6, tvb, offset + 8, 16, ENC_NA);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.40
|
|
*/
|
|
static int
|
|
decode_gtp_hdr_list(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
int i;
|
|
guint8 length, hdr;
|
|
proto_tree *ext_tree_hdr_list;
|
|
|
|
length = tvb_get_guint8(tvb, offset + 1);
|
|
|
|
ext_tree_hdr_list = proto_tree_add_subtree(tree, tvb, offset, 2 + length, ett_gtp_hdr_list, NULL,
|
|
val_to_str_ext_const(GTP_EXT_HDR_LIST, >p_val_ext, "Unknown"));
|
|
|
|
proto_tree_add_item(ext_tree_hdr_list, hf_gtp_num_ext_hdr_types, tvb, offset + 1, 1, ENC_NA);
|
|
|
|
for (i = 0; i < length; i++) {
|
|
hdr = tvb_get_guint8(tvb, offset + 2 + i);
|
|
|
|
proto_tree_add_uint_format(ext_tree_hdr_list, hf_gtp_ext_hdr_type, tvb, offset + 2 + i, 1, hdr, "No. %u --> Extension Header Type value : %s (0x%02x)", i + 1,
|
|
val_to_str_const(hdr, next_extension_header_fieldvals, "Unknown Extension Header Type"), hdr);
|
|
}
|
|
|
|
return 2 + length;
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.41
|
|
* TODO: find TriggerID description
|
|
*/
|
|
static int
|
|
decode_gtp_trigger_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_item* ti;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ti = proto_tree_add_uint_format(tree, hf_gtp_ext_length, tvb, offset, 2, length, "%s length : %u",
|
|
val_to_str_ext_const(GTP_EXT_TRIGGER_ID, >p_val_ext, "Unknown"), length);
|
|
proto_item_set_len(ti, 3 + length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: not present
|
|
* UMTS: 29.060 v4.0, chapter 7.7.42
|
|
* TODO: find OMC-ID description
|
|
*/
|
|
static int
|
|
decode_gtp_omc_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_item* ti;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ti = proto_tree_add_uint_format(tree, hf_gtp_ext_length, tvb, offset, 2, length, "%s length : %u",
|
|
val_to_str_ext_const(GTP_EXT_OMC_ID, >p_val_ext, "Unknown"), length);
|
|
proto_item_set_len(ti, 3 + length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.25
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.44 Charging Gateway Address
|
|
*/
|
|
static int
|
|
decode_gtp_chrg_addr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_chrg_addr;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_chrg_addr = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CHRG_ADDR], &te,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_CHRG_ADDR, >p_val_ext, "Unknown"));
|
|
|
|
proto_tree_add_uint_format(ext_tree_chrg_addr, hf_gtp_ext_length, tvb, offset + 1, 2, length,
|
|
"%s length : %u", val_to_str_ext_const(GTP_EXT_CHRG_ADDR, >p_val_ext, "Unknown"), length);
|
|
|
|
switch (length) {
|
|
case 4:
|
|
proto_tree_add_item(ext_tree_chrg_addr, hf_gtp_chrg_ipv4, tvb, offset + 3, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, "%s", tvb_ip_to_str(tvb, offset + 3));
|
|
break;
|
|
case 16:
|
|
proto_tree_add_item(ext_tree_chrg_addr, hf_gtp_chrg_ipv6, tvb, offset + 3, 16, ENC_NA);
|
|
proto_item_append_text(te, "%s", tvb_ip6_to_str(tvb, offset + 3));
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 V9.4.0, chapter 7.7.43 RAN Transparent Container
|
|
* The information in the value part of the RAN Transparent Container IE contains all information elements (starting with
|
|
* and including the BSSGP "PDU Type") in either of the RAN INFORMATION, RAN INFORMATION REQUEST,
|
|
* RAN INFORMATION ACK or RAN INFORMATION ERROR messages respectively as specified in 3GPP TS 48.018
|
|
*/
|
|
static int
|
|
decode_gtp_ran_tr_cont(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
tvbuff_t *next_tvb;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RAN_TR_CONT], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_RAN_TR_CONT, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
if (bssgp_handle) {
|
|
#if 0
|
|
col_set_fence(pinfo->cinfo, COL_INFO);
|
|
#endif
|
|
call_dissector(bssgp_handle, next_tvb, pinfo, ext_tree);
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.45 PDP Context Prioritization
|
|
*/
|
|
static int
|
|
decode_gtp_pdp_cont_prio(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_PDP_CONT_PRIO], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_PDP_CONT_PRIO, >p_val_ext, "Unknown"));
|
|
|
|
if (length == 0) {
|
|
return 3;
|
|
}
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.45A Additional RAB Setup Information
|
|
*/
|
|
static int
|
|
decode_gtp_add_rab_setup_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ADD_RAB_SETUP_INF], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_ADD_RAB_SETUP_INF, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.47 SGSN Number
|
|
*/
|
|
static int
|
|
decode_gtp_ssgn_no(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_SSGN_NO], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_SSGN_NO, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 3GPP TS 29.060 version 7.8.0 Release 7, chapter 7.7.48 Common Flags
|
|
*/
|
|
static int
|
|
decode_gtp_common_flgs(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_COMMON_FLGS], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_COMMON_FLGS, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* Dual Address Bearer Flag */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_dual_addr_bearer_flg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Upgrade QoS Supported */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_upgrd_qos_sup, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* NRSN bit field */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_nrsn, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* No QoS negotiation */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_no_qos_neg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* MBMS Counting Information bi */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_mbs_cnt_inf, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* RAN Procedures Ready */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_mbs_ran_pcd_rdy, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* MBMS Service Type */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_mbs_srv_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Prohibit Payload Compression */
|
|
proto_tree_add_item(ext_tree, hf_gtp_cmn_flg_ppc, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.49
|
|
*/
|
|
static int
|
|
decode_gtp_apn_res(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_apn_res;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree_apn_res = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_APN_RES], NULL,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_APN_RES, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree_apn_res, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* Restriction Type value */
|
|
if (length != 1) {
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_ext_length_mal, tvb, 0, length, "Wrong length indicated. Expected 1, got %u", length);
|
|
return 3 + length;
|
|
}
|
|
|
|
proto_tree_add_item(ext_tree_apn_res, hf_gtp_ext_apn_res, tvb, offset, length, ENC_BIG_ENDIAN);
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.50 RAT Type
|
|
* RAT Type
|
|
* Type = 151 (Decimal)
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_rat_type(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_rat_type;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree_rat_type = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RAT_TYPE], &te,
|
|
val_to_str_ext_const(GTP_EXT_RAT_TYPE, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree_rat_type, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* RAT Type value */
|
|
if (length != 1) {
|
|
proto_tree_add_expert_format(tree, pinfo, &ei_gtp_ext_length_mal, tvb, 0, length, "Wrong length indicated. Expected 1, got %u", length);
|
|
return 3 + length;
|
|
}
|
|
|
|
proto_tree_add_item(ext_tree_rat_type, hf_gtp_ext_rat_type, tvb, offset, length, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, ": %s", val_to_str_const(tvb_get_guint8(tvb,offset), gtp_ext_rat_type_vals, "Unknown"));
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.51
|
|
* User Location Information
|
|
* Type = 152 (Decimal)
|
|
*/
|
|
|
|
static const
|
|
gchar *dissect_radius_user_loc(proto_tree * tree, tvbuff_t * tvb, packet_info* pinfo)
|
|
{
|
|
|
|
int offset = 0;
|
|
guint8 geo_loc_type;
|
|
guint16 length = tvb_reported_length(tvb);
|
|
proto_item* ti;
|
|
|
|
/* Geographic Location Type */
|
|
ti = proto_tree_add_item(tree, hf_gtp_ext_geo_loc_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
geo_loc_type = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
switch(geo_loc_type) {
|
|
case 0:
|
|
/* Geographic Location field included and it holds the Cell Global
|
|
* Identification (CGI) of where the user currently is registered.
|
|
* CGI is defined in sub-clause 4.3.1 of 3GPP TS 23.003 [2].
|
|
*/
|
|
/* Use gsm_a's function to dissect Geographic Location by faking disc ( last 0) */
|
|
be_cell_id_type(tvb, tree, pinfo, offset, length - 1, NULL, 0, 0, E212_CGI);
|
|
break;
|
|
case 1:
|
|
/* Geographic Location field included and it holds the Service
|
|
* Area Identity (SAI) of where the user currently is registered.
|
|
* SAI is defined in sub-clause 9.2.3.9 of 3GPP TS 25.413 [7].
|
|
*/
|
|
/* Use gsm_a's function to dissect Geographic Location by faking disc ( last 4) */
|
|
be_cell_id_type(tvb, tree, pinfo, offset, length - 1, NULL, 0, 4,E212_SAI);
|
|
offset = offset + 5;
|
|
proto_tree_add_item(tree, hf_gtp_ext_sac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 2:
|
|
/* Geographic Location field included and it holds the Routing
|
|
* Area Identification (RAI) of where the user currently is
|
|
* registered. RAI is defined in sub-clause 4.2 of 3GPP TS 23.003
|
|
* [2].
|
|
*/
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_RAI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(tree, hf_gtp_rai_lac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
proto_tree_add_item(tree, hf_gtp_rai_rac, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 128:
|
|
/* Geographic Location field included and it holds the Tracking
|
|
* Area Identity (TAI) of where the user currently is registered.
|
|
* TAI is defined in sub-clause 8.21.4 of 3GPP TS 29.274.
|
|
*/
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_TAI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(tree, hf_gtp_tac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 129:
|
|
/* Geographic Location field included and it holds the E-UTRAN Cell
|
|
* Global Identifier (ECGI) of where the user currently is registered.
|
|
* ECGI is defined in sub-clause 8.21.5 of 3GPP TS 29.274.
|
|
*/
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_ECGI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(tree, hf_gtp_eci, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 130:
|
|
/* Geographic Location field included and it holds the Tracking
|
|
* Area Identity (TAI) and E-UTRAN CellGlobal Identifier (ECGI)
|
|
* of where the user currently is registered.
|
|
* TAI is defined in sub-clause 8.21.4 of 3GPP TS 29.274.
|
|
* ECGI is defined in sub-clause 8.21.5 of 3GPP TS 29.274.
|
|
*/
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_TAI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(tree, hf_gtp_tac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
dissect_e212_mcc_mnc(tvb, pinfo, tree, offset, E212_ECGI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(tree, hf_gtp_eci, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti, &ei_gtp_ext_geo_loc_type);
|
|
break;
|
|
}
|
|
|
|
return tvb_bytes_to_str(wmem_packet_scope(), tvb, 0, length);
|
|
}
|
|
|
|
/*
|
|
* 7.7.51 User Location Information
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_usr_loc_inf(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree, *rai_tree;
|
|
guint8 geo_loc_type;
|
|
proto_item* ti;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_USR_LOC_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_USR_LOC_INF, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
/* Geographic Location Type */
|
|
ti = proto_tree_add_item(ext_tree, hf_gtp_ext_geo_loc_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
geo_loc_type = tvb_get_guint8(tvb, offset);
|
|
offset++;
|
|
|
|
switch(geo_loc_type) {
|
|
case 0:
|
|
/* Geographic Location field included and it holds the Cell Global
|
|
* Identification (CGI) of where the user currently is registered.
|
|
* CGI is defined in sub-clause 4.3.1 of 3GPP TS 23.003 [2].
|
|
*/
|
|
/* Use gsm_a's function to dissect Geographic Location by faking disc ( last 0) */
|
|
be_cell_id_type(tvb, ext_tree, pinfo, offset, length - 1, NULL, 0, 0, E212_CGI);
|
|
break;
|
|
case 1:
|
|
/* Geographic Location field included and it holds the Service
|
|
* Area Identity (SAI) of where the user currently is registered.
|
|
* SAI is defined in sub-clause 9.2.3.9 of 3GPP TS 25.413 [7].
|
|
*/
|
|
/* Use gsm_a's function to dissect Geographic Location by faking disc ( last 4) */
|
|
be_cell_id_type(tvb, ext_tree, pinfo, offset, length - 1, NULL, 0, 4,E212_SAI);
|
|
offset = offset + 5;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_sac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 2:
|
|
/* Geographic Location field included and it holds the Routing
|
|
* Area Identification (RAI) of where the user currently is
|
|
* registered. RAI is defined in sub-clause 4.2 of 3GPP TS 23.003
|
|
* [2].
|
|
*/
|
|
rai_tree = proto_tree_add_subtree(ext_tree, tvb, offset + 1, 7, ett_gtp_uli_rai, NULL, "Routeing Area Identity (RAI)");
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, rai_tree, offset, E212_RAI, TRUE);
|
|
offset+=3;
|
|
proto_tree_add_item(rai_tree, hf_gtp_rai_lac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset+=2;
|
|
proto_tree_add_item(rai_tree, hf_gtp_rai_rac, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
expert_add_info(pinfo, ti, &ei_gtp_ext_geo_loc_type);
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
static const value_string daylight_saving_time_vals[] = {
|
|
{0, "No adjustment"},
|
|
{1, "+1 hour adjustment for Daylight Saving Time"},
|
|
{2, "+2 hours adjustment for Daylight Saving Time"},
|
|
{3, "Reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.52
|
|
* MS Time Zone
|
|
* Type = 153 (Decimal)
|
|
* The ' MS Time Zone' IE is used to indicate the offset between universal time and local time
|
|
* in steps of 15 minutes of where the MS currently resides. The 'Time Zone' field uses the same
|
|
* format as the 'Time Zone' IE in 3GPP TS 24.008 (10.5.3.8)
|
|
* its value shall be set as defined in 3GPP TS 22.042
|
|
*/
|
|
static int
|
|
decode_gtp_ms_time_zone(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
guint8 data;
|
|
char sign;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree_format(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MS_TIME_ZONE], &te,
|
|
"%s: ", val_to_str_ext_const(GTP_EXT_MS_TIME_ZONE, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* 3GPP TS 23.040 version 6.6.0 Release 6
|
|
* 9.2.3.11 TP-Service-Centre-Time-Stamp (TP-SCTS)
|
|
* :
|
|
* The Time Zone indicates the difference, expressed in quarters of an hour,
|
|
* between the local time and GMT. In the first of the two semi-octets,
|
|
* the first bit (bit 3 of the seventh octet of the TP-Service-Centre-Time-Stamp field)
|
|
* represents the algebraic sign of this difference (0: positive, 1: negative).
|
|
*/
|
|
|
|
data = tvb_get_guint8(tvb, offset);
|
|
sign = (data & 0x08) ? '-' : '+';
|
|
data = (data >> 4) + (data & 0x07) * 10;
|
|
|
|
proto_tree_add_uint_format_value(ext_tree, hf_gtp_timezone, tvb, offset, 1, data, "GMT %c %d hours %d minutes", sign, data / 4, data % 4 * 15);
|
|
proto_item_append_text(te, "GMT %c %d hours %d minutes", sign, data / 4, data % 4 * 15);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_timezone_dst, tvb, offset, 1, ENC_NA);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.53
|
|
* International Mobile Equipment Identity (and Software Version) (IMEI(SV))
|
|
* Type = 154 (Decimal)
|
|
*/
|
|
static int
|
|
decode_gtp_imeisv(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_imeisv;
|
|
proto_item *te;
|
|
tvbuff_t *next_tvb;
|
|
const char *digit_str;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_imeisv = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_IMEISV], &te,
|
|
val_to_str_ext_const(GTP_EXT_IMEISV, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_imeisv, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* IMEI(SV)
|
|
* The structure of the IMEI and IMEISV are defined in sub-clause 6.2 of 3GPP TS 23.003 [2].
|
|
* The 'IMEI(SV)' field shall contain the IMEISV if it is available. If only the IMEI is available,
|
|
* then the IMEI shall be placed in the IMEI(SV) field and the last semi-octet of octet 11 shall be
|
|
* set to '1111'. Both IMEI and IMEISV are BCD encoded.
|
|
*/
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
digit_str = tvb_bcd_dig_to_wmem_packet_str(next_tvb, 0, -1, NULL, FALSE);
|
|
proto_tree_add_string(ext_imeisv, hf_gtp_ext_imeisv, next_tvb, 0, -1, digit_str);
|
|
proto_item_append_text(te, ": %s", digit_str);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.54
|
|
* CAMEL Charging Information Container
|
|
* Type = 155 (Decimal)
|
|
*/
|
|
static int
|
|
decode_gtp_camel_chg_inf_con(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CAMEL_CHG_INF_CON], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CAMEL_CHG_INF_CON, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.55
|
|
* MBMS UE Context
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_ue_ctx(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_UE_CTX], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_UE_CTX, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 3GPP TS 29.060 version 7.8.0 Release 7, chapter 7.7.56
|
|
* Temporary Mobile Group Identity (TMGI)
|
|
* The Temporary Mobile Group Identity (TMGI) information element contains
|
|
* a TMGI allocated by the BM-SC. It is coded as in the value part defined
|
|
* in 3GPP T S 24.008 [5] (i.e. the IEI and octet length indicator are not included).
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_tmgi(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree, *tmgi_tree;
|
|
proto_item *ti;
|
|
tvbuff_t *next_tvb;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_TMGI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_TMGI, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
ti = proto_tree_add_item(ext_tree, hf_gtp_tmgi, tvb, offset, length, ENC_NA);
|
|
|
|
tmgi_tree = proto_item_add_subtree(ti, ett_gtp_tmgi);
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
de_mid(next_tvb, tmgi_tree, pinfo, 0, length, NULL, 0);
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.57
|
|
* RIM Routing Address
|
|
*/
|
|
static int
|
|
decode_gtp_rim_ra(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RIM_RA], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RIM_RA, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* To dissect the Address the Routing Address discriminator must be known */
|
|
/*
|
|
* Octets 4-n are coded according to 3GPP TS 48.018 [20] 11.3.77 RIM Routing Information IE octets 4-n.
|
|
*/
|
|
proto_tree_add_item(ext_tree, hf_gtp_rim_routing_addr, tvb, offset, length, ENC_NA);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.58
|
|
* MBMS Protocol Configuration Options
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_prot_conf_opt(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_PROT_CONF_OPT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_PROT_CONF_OPT, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 3GPP TS 29.060 version 7.8.0 Release 7, chapter 7.7.59
|
|
* MBMS Session Duration
|
|
*/
|
|
/* Used for Diameter */
|
|
static int
|
|
dissect_gtp_mbms_ses_dur(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, void *data _U_)
|
|
{
|
|
|
|
int offset = 0;
|
|
|
|
proto_tree_add_item(tree, hf_gtp_mbms_ses_dur_days, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_gtp_mbms_ses_dur_s, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
|
|
return 3;
|
|
|
|
}
|
|
|
|
static int
|
|
decode_gtp_mbms_ses_dur(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_SES_DUR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_SES_DUR, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* The MBMS Session Duration is defined in 3GPP TS 23.246 [26].
|
|
* The MBMS Session Duration information element indicates the estimated
|
|
* session duration of the MBMS service data transmission if available.
|
|
* The payload shall be encoded as per the MBMS-Session-Duration AVP defined
|
|
* in 3GPP TS 29.061 [27], excluding the AVP Header fields
|
|
* (as defined in IETF RFC 3588 [36], section 4.1).
|
|
*/
|
|
/* The MBMS-Session-Duration AVP (AVP code 904) is of type OctetString
|
|
* with a length of three octets and indicates the estimated session duration
|
|
* (MBMS Service data transmission). Bits 0 to 16 (17 bits) express seconds, for which the
|
|
* maximum allowed value is 86400 seconds. Bits 17 to 23 (7 bits) express days,
|
|
* for which the maximum allowed value is 18 days. For the whole session duration the seconds
|
|
* and days are added together and the maximum session duration is 19 days.
|
|
*/
|
|
proto_tree_add_item(ext_tree, hf_gtp_mbms_ses_dur_days, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_mbms_ses_dur_s, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 3GPP TS 29.060 version 7.8.0 Release 7, chapter 7.7.60
|
|
* MBMS Service Area
|
|
*/
|
|
static int
|
|
dissect_gtp_3gpp_mbms_service_area(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) {
|
|
|
|
int offset = 0;
|
|
guint8 no_of_mbms_sa_codes;
|
|
int i;
|
|
|
|
/* The MBMS Service Area is defined in 3GPP TS 23.246 [26].
|
|
* The MBMS Service Area information element indicates the area over
|
|
* which the Multimedia Broadcast/Multicast Service is to be distributed.
|
|
* The payload shall be encoded as per the MBMS-Service-Area AVP defined
|
|
* in 3GPP TS 29.061 [27], excluding the AVP Header fields (as defined in
|
|
* IETF RFC 3588 [36], section 4.1).
|
|
*/
|
|
/* Number N of MBMS service area codes coded as:
|
|
* 1 binary value is '00000000'
|
|
* ... ...
|
|
* 256 binary value is '11111111'
|
|
*/
|
|
no_of_mbms_sa_codes = tvb_get_guint8(tvb, offset) + 1;
|
|
proto_tree_add_uint(tree, hf_gtp_no_of_mbms_sa_codes, tvb, offset, 1, no_of_mbms_sa_codes);
|
|
offset++;
|
|
/* A consecutive list of N MBMS service area codes
|
|
* The MBMS Service Area Identity and its semantics are defined in 3GPP TS 23.003
|
|
* The length of an MBMS service area code is 2 octets.
|
|
*/
|
|
for (i = 0; i < no_of_mbms_sa_codes; i++) {
|
|
proto_tree_add_item(tree, hf_gtp_mbms_sa_code, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
decode_gtp_mbms_sa(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
tvbuff_t *next_tvb;
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_SA], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_SA, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length-3);
|
|
dissect_gtp_3gpp_mbms_service_area(next_tvb, pinfo, ext_tree, NULL);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.61
|
|
* Source RNC PDCP context info
|
|
*/
|
|
static int
|
|
decode_gtp_src_rnc_pdp_ctx_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_SRC_RNC_PDP_CTX_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_SRC_RNC_PDP_CTX_INF, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.62
|
|
* Additional Trace Info
|
|
*/
|
|
static int
|
|
decode_gtp_add_trs_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ADD_TRS_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ADD_TRS_INF, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.63
|
|
* Hop Counter
|
|
*/
|
|
static int
|
|
decode_gtp_hop_count(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_HOP_COUNT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_HOP_COUNT, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.64
|
|
* Selected PLMN ID
|
|
*/
|
|
static int
|
|
decode_gtp_sel_plmn_id(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_SES_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_SEL_PLMN_ID, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, ext_tree, offset, E212_NONE, FALSE);
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.65
|
|
* MBMS Session Identifier
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_ses_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_SES_ID], NULL, val_to_str_ext_const(GTP_EXT_MBMS_SES_ID, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.66
|
|
* MBMS 2G/3G Indicator
|
|
*/
|
|
static const value_string gtp_mbs_2g_3g_ind_vals[] = {
|
|
{0, "2G only"},
|
|
{1, "3G only"},
|
|
{2, "Both 2G and 3G"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static int
|
|
decode_gtp_mbms_2g_3g_ind(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_2G_3G_IND], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_2G_3G_IND, >p_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* MBMS 2G/3G Indicator */
|
|
proto_tree_add_item(ext_tree, hf_gtp_mbs_2g_3g_ind, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.67
|
|
* Enhanced NSAPI
|
|
*/
|
|
static int
|
|
decode_gtp_enh_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ENH_NSAPI], NULL, val_to_str_ext_const(GTP_EXT_ENH_NSAPI, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.68
|
|
* Additional MBMS Trace Info
|
|
*/
|
|
static int
|
|
decode_gtp_add_mbms_trs_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ADD_MBMS_TRS_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ADD_MBMS_TRS_INF, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.69
|
|
* MBMS Session Identity Repetition Number
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_ses_id_rep_no(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_SES_ID_REP_NO], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_SES_ID_REP_NO, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 3GPP TS 29.060 version 7.8.0 Release 7
|
|
* MBMS Time To Data Transfer
|
|
*/
|
|
/* Used for Diameter */
|
|
static int
|
|
dissect_gtp_mbms_time_to_data_tr(tvbuff_t * tvb, packet_info * pinfo _U_, proto_tree * tree, void *data _U_)
|
|
{
|
|
|
|
int offset = 0;
|
|
guint8 time_2_dta_tr;
|
|
|
|
time_2_dta_tr = tvb_get_guint8(tvb, offset) + 1;
|
|
proto_tree_add_uint(tree, hf_gtp_time_2_dta_tr, tvb, offset, 1, time_2_dta_tr);
|
|
|
|
return 3;
|
|
|
|
}
|
|
|
|
static int
|
|
decode_gtp_mbms_time_to_data_tr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
guint8 time_2_dta_tr;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_TIME_TO_DATA_TR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_TIME_TO_DATA_TR, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data
|
|
* The MBMS Time To Data Transfer is defined in 3GPP TS 23.246 [26].
|
|
* The MBMS Time To Data Transfer information element contains a
|
|
* MBMS Time To Data Transfer allocated by the BM-SC.
|
|
* The payload shall be encoded as per the MBMS-Time-To-Data-Transfer AVP
|
|
* defined in 3GPP TS 29.061 [27], excluding the AVP Header fields
|
|
* (as defined in IETF RFC 3588 [36], section 4.1).
|
|
*/
|
|
/* The coding is specified as per the Time to MBMS Data Transfer Value Part Coding
|
|
* of the Time to MBMS Data Transfer IE in 3GPP TS 48.018
|
|
* Bits
|
|
* 8 7 6 5 4 3 2 1
|
|
* 0 0 0 0 0 0 0 0 1s
|
|
* 0 0 0 0 0 0 0 1 2s
|
|
* 0 0 0 0 0 0 1 0 3s
|
|
* :
|
|
* 1 1 1 1 1 1 1 1 256s
|
|
*/
|
|
time_2_dta_tr = tvb_get_guint8(tvb, offset) + 1;
|
|
proto_tree_add_uint(ext_tree, hf_gtp_time_2_dta_tr, tvb, offset, 1, time_2_dta_tr);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.71
|
|
* PS Handover Request Context
|
|
*/
|
|
static int
|
|
decode_gtp_ps_ho_req_ctx(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_PS_HO_REQ_CTX], NULL,
|
|
val_to_str_ext_const(GTP_EXT_PS_HO_REQ_CTX, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.72
|
|
* BSS Container
|
|
*/
|
|
static int
|
|
decode_gtp_bss_cont(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_BSS_CONT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_BSS_CONT, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
/*
|
|
* The content of this container is defined in 3GPP TS 48.018
|
|
*/
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.73
|
|
* Cell Identification
|
|
*/
|
|
static int
|
|
decode_gtp_cell_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CELL_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CELL_ID, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
/*
|
|
* for PS handover from A/Gb mode, the identification of a target cell (Cell ID 1) and the identification of the
|
|
* source cell (Cell ID 2) as defined in 3GPP TS 48.018 [20].
|
|
*
|
|
* for PS handover from Iu mode, the identification of a target cell (Cell ID 1)) and the identification of the
|
|
* source RNC (RNC-ID) as defined in 3GPP TS 48.018
|
|
*/
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.74
|
|
* PDU Numbers
|
|
*/
|
|
static int
|
|
decode_gtp_pdu_no(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_PDU_NO], NULL,
|
|
val_to_str_ext_const(GTP_EXT_PDU_NO, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: ?
|
|
* UMTS: 29.060 v6.11.0, chapter 7.7.75
|
|
* BSSGP Cause
|
|
*/
|
|
static int
|
|
decode_gtp_bssgp_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_BSSGP_CAUSE], NULL,
|
|
val_to_str_ext_const(GTP_EXT_BSSGP_CAUSE, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/*
|
|
* The BSSGP Cause information element contains the cause as defined in 3GPP TS 48.018
|
|
*/
|
|
proto_tree_add_item(ext_tree, hf_gtp_bssgp_cause, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/*
|
|
* Required MBMS bearer capabilities 7.7.76
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_bearer_cap(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_REQ_MBMS_BEARER_CAP], NULL,
|
|
val_to_str_ext_const(GTP_EXT_REQ_MBMS_BEARER_CAP, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
#if 0 /* Fix Dead Store Warning */
|
|
offset = offset + 2;
|
|
#endif
|
|
/* The payload shall be encoded as per the
|
|
* Required-MBMS-Bearer-Capabilities AVP defined in 3GPP TS 29.061 [27],
|
|
* excluding the AVP Header fields (as defined in IETF RFC 3588 [36], section 4.1).
|
|
*/
|
|
/* TODO Add decoding (call Diameter dissector???) */
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* RIM Routing Address Discriminator 7.7.77
|
|
*/
|
|
|
|
static const value_string gtp_bssgp_ra_discriminator_vals[] = {
|
|
{ 0, "A Cell Identifier is used to identify a GERAN cell" },
|
|
{ 1, "A Global RNC-ID is used to identify a UTRAN RNC" },
|
|
{ 2, "An eNB identifier is used to identify an E-UTRAN eNodeB or HeNB" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
decode_gtp_rim_ra_disc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RIM_ROUTING_ADDR_DISC], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RIM_ROUTING_ADDR_DISC, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* Octet 4 bits 4 - 1 is coded according to 3GPP TS 48.018 [20]
|
|
* RIM Routing Information IE octet 3 bits 4 - 1.
|
|
* Bits 8 - 5 are coded "0000".
|
|
*/
|
|
proto_tree_add_item(ext_tree, hf_gtp_bssgp_ra_discriminator, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
/*
|
|
* List of set-up PFCs 7.7.78
|
|
*/
|
|
static int
|
|
decode_gtp_lst_set_up_pfc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_LIST_OF_SETUP_PFCS], NULL,
|
|
val_to_str_ext_const(GTP_EXT_LIST_OF_SETUP_PFCS, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
/*
|
|
* PS Handover XID Parameters 7.7.79
|
|
*/
|
|
static int
|
|
decode_gtp_ps_handover_xid(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
tvbuff_t *next_tvb;
|
|
guint8 sapi;
|
|
guint8 xid_par_len;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_PS_HANDOVER_XIP_PAR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_PS_HANDOVER_XIP_PAR, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
sapi = tvb_get_guint8(tvb, offset) & 0x0F;
|
|
proto_tree_add_uint(ext_tree, hf_gtp_sapi, tvb, offset, 1, sapi);
|
|
offset++;
|
|
|
|
xid_par_len = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(ext_tree, hf_gtp_xid_par_len, tvb, offset, 1, xid_par_len);
|
|
offset++;
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
if (sndcpxid_handle)
|
|
call_dissector(sndcpxid_handle, next_tvb, pinfo, tree);
|
|
else
|
|
call_data_dissector(next_tvb, pinfo, tree);
|
|
|
|
return 4 + length;
|
|
|
|
}
|
|
|
|
/*
|
|
* MS Info Change Reporting Action 7.7.80
|
|
*/
|
|
static int
|
|
decode_gtp_ms_inf_chg_rep_act(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MS_INF_CHG_REP_ACT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MS_INF_CHG_REP_ACT, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_rep_act_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
/*
|
|
* Direct Tunnel Flags 7.7.81
|
|
*/
|
|
static int
|
|
decode_gtp_direct_tnl_flg(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_DIRECT_TUNNEL_FLGS], NULL,
|
|
val_to_str_ext_const(GTP_EXT_DIRECT_TUNNEL_FLGS, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_ei, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_gcsi, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_dti, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
if (length == 1) {
|
|
return 3 + length;
|
|
}
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
/*
|
|
* Correlation-ID 7.7.82
|
|
*/
|
|
static int
|
|
decode_gtp_corrl_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CORRELATION_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CORRELATION_ID, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
/* TODO add decoding of data */
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
/*
|
|
* Bearer Control Mode 7.7.83
|
|
* version 10.0.0
|
|
*/
|
|
static const value_string gtp_pdp_bcm_type_vals[] = {
|
|
{0, "MS_only"},
|
|
{1, "MS/NW"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static int
|
|
decode_gtp_bearer_cntrl_mod(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_BEARER_CONTROL_MODE], NULL,
|
|
val_to_str_ext_const(GTP_EXT_BEARER_CONTROL_MODE, >pv1_val_ext, "Unknown"));
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_bcm, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/*
|
|
* 7.7.84 MBMS Flow Identifier
|
|
*/
|
|
static int
|
|
decode_gtp_mbms_flow_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_FLOW_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_FLOW_ID, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* 4-n MBMS Flow Identifier */
|
|
proto_tree_add_item(ext_tree, hf_gtp_mbms_flow_id, tvb, offset, length, ENC_NA);
|
|
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.85 MBMS IP Multicast Distribution
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_mbms_ip_mcast_dist(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_IP_MCAST_DIST], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_IP_MCAST_DIST, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.86 MBMS Distribution Acknowledgement
|
|
*/
|
|
/* Table 7.7.86.1: Distribution Indication values */
|
|
static const value_string gtp_mbms_dist_indic_vals[] = {
|
|
{0, "No RNCs have accepted IP multicast distribution"},
|
|
{1, "All RNCs have accepted IP multicast distribution"},
|
|
{2, "Some RNCs have accepted IP multicast distribution"},
|
|
{3, "Spare. For future use."},
|
|
{0, NULL}
|
|
};
|
|
static int
|
|
decode_gtp_mbms_dist_ack(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MBMS_DIST_ACK], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MBMS_DIST_ACK, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* Distribution Indication values */
|
|
proto_tree_add_item(ext_tree, hf_gtp_mbms_dist_indic, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.87 Reliable INTER RAT HANDOVER INFO
|
|
*/
|
|
static int
|
|
decode_gtp_reliable_irat_ho_inf(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RELIABLE_IRAT_HO_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RELIABLE_IRAT_HO_INF, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.88 RFSP Index
|
|
*/
|
|
static int
|
|
decode_gtp_rfsp_index(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length, rfsp;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RFSP_INDEX], NULL,
|
|
val_to_str_ext_const(GTP_EXT_RFSP_INDEX, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
rfsp = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(ext_tree, hf_gtp_rfsp_index, tvb, offset, length, rfsp+1);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.89 PDP Type
|
|
*/
|
|
/*
|
|
* 7.7.90 Fully Qualified Domain Name (FQDN)
|
|
*/
|
|
static int
|
|
decode_gtp_fqdn(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, length + 3, ett_gtp_ies[GTP_EXT_FQDN], NULL,
|
|
val_to_str_ext_const(GTP_EXT_FQDN, >p_val_ext, "Unknown field"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_fqdn_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
decode_fqdn(tvb, offset + 3, length, ext_tree, NULL);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.91 Evolved Allocation/Retention Priority I
|
|
*/
|
|
static int
|
|
decode_gtp_evolved_allc_rtn_p1(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_EVO_ALLO_RETE_P1], NULL,
|
|
val_to_str_ext_const(GTP_EXT_EVO_ALLO_RETE_P1, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pvi, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pci, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
|
|
}
|
|
|
|
/*
|
|
* 7.7.92 Evolved Allocation/Retention Priority II
|
|
*/
|
|
static int
|
|
decode_gtp_evolved_allc_rtn_p2(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_EVO_ALLO_RETE_P2], NULL,
|
|
val_to_str_ext_const(GTP_EXT_EVO_ALLO_RETE_P2, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_nsapi, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pvi, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_earp_pci, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
|
|
|
|
}
|
|
|
|
/*
|
|
* 7.7.93 Extended Common Flags
|
|
*/
|
|
static int
|
|
decode_gtp_extended_common_flgs(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_EXTENDED_COMMON_FLGS], NULL,
|
|
val_to_str_ext_const(GTP_EXT_EXTENDED_COMMON_FLGS, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.94 User CSG Information (UCI)
|
|
*/
|
|
static int
|
|
decode_gtp_uci(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_UCI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_UCI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.95 CSG Information Reporting Action
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_csg_inf_rep_act(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CSG_INF_REP_ACT], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CSG_INF_REP_ACT, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.96 CSG ID
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_csg_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CSG_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CSG_ID, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.97 CSG Membership Indication (CMI)
|
|
*/
|
|
static int
|
|
decode_gtp_cmi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CMI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CMI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.98 APN Aggregate Maximum Bit Rate (APN-AMBR)
|
|
*/
|
|
static int
|
|
decode_gtp_apn_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_RELIABLE_IRAT_HO_INF], NULL,
|
|
val_to_str_ext_const(GTP_EXT_AMBR, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* APN Aggregate Maximum Bit Rate (APN-AMBR) is defined in clause 9.9.4.2 of 3GPP TS 24.301 [42], but shall be
|
|
* formatted as shown in Figure 7.7.98-1 as Unsigned32 binary integer values in kbps (1000 bits per second).
|
|
*/
|
|
/* 4 to 7 APN-AMBR for Uplink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_apn_ambr_ul, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
offset+=4;
|
|
/* 8 to 11 APN-AMBR for Downlink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_apn_ambr_dl, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.99 UE Network Capability
|
|
*/
|
|
static int
|
|
decode_gtp_ue_network_cap(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_UE_NETWORK_CAP], NULL,
|
|
val_to_str_ext_const(GTP_EXT_UE_NETWORK_CAP, >pv1_val_ext, "Unknown"));
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
de_emm_ue_net_cap(tvb, ext_tree, pinfo, offset, length, NULL, 0);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.100 UE-AMBR
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_ue_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_APN_AMBR_WITH_NSAPI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_APN_AMBR_WITH_NSAPI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* 4 to 7 Subscribed UE-AMBR for Uplink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_sub_ue_ambr_ul, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
offset+=4;
|
|
/* 8 to 11 Subscribed UE-AMBR for Downlink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_sub_ue_ambr_dl, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
offset+=4;
|
|
|
|
/* Authorized UE-AMBR for Uplink and Downlink fields are present in the IE only if the sender has their valid values
|
|
* available. Otherwise, the fields from m to (n+3) shall not be present.
|
|
*/
|
|
if(offset >= length)
|
|
return 3 + length;
|
|
|
|
/* m to (m+3) Authorized UE-AMBR for Uplink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_auth_ue_ambr_ul, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
offset+=4;
|
|
|
|
/* (m+4) to (n+3) Authorized UE-AMBR for Downlink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_auth_ue_ambr_dl, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.101 APN-AMBR with NSAPI
|
|
*/
|
|
static int
|
|
decode_gtp_apn_ambr_with_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_UE_AMBR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_UE_AMBR, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
proto_tree_add_item(ext_tree, hf_gtp_nsapi, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* 5 to 8 Authorized APN-AMBR for Uplink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_auth_apn_ambr_ul, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
offset+=4;
|
|
|
|
/* 9 to12 Authorized APN-AMBR for Downlink */
|
|
te = proto_tree_add_item(ext_tree, hf_gtp_ext_auth_apn_ambr_dl, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, " kbps");
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.102 GGSN Back-Off Time
|
|
*/
|
|
/* Table 7.7.102.1: GGSN Back-Off Time information element */
|
|
static const value_string gtp_ggsn_back_off_time_units_vals[] = {
|
|
{0, "value is incremented in multiples of 2 seconds"},
|
|
{1, "value is incremented in multiples of 1 minute"},
|
|
{2, "value is incremented in multiples of 10 minutes"},
|
|
{3, "value is incremented in multiples of 1 hour"},
|
|
{4, "value is incremented in multiples of 10 hours"},
|
|
{5, "value indicates that the timer is infinite"},
|
|
{0, NULL}
|
|
};
|
|
static int
|
|
decode_gtp_ggsn_back_off_time(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_GGSN_BACK_OFF_TIME], NULL,
|
|
val_to_str_ext_const(GTP_EXT_GGSN_BACK_OFF_TIME, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* 4 Timer unit Timer value */
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_ggsn_back_off_time_units, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_ggsn_back_off_timer, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.103 Signalling Priority Indication
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_sig_pri_ind(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_SIG_PRI_IND], NULL,
|
|
val_to_str_ext_const(GTP_EXT_SIG_PRI_IND, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.104 Signalling Priority Indication with NSAPI
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_sig_pri_ind_w_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_SIG_PRI_IND_W_NSAPI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_SIG_PRI_IND_W_NSAPI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.105 Higher bitrates than 16 Mbps flag
|
|
*/
|
|
static const value_string gtp_higher_br_16mb_flg_vals[] = {
|
|
{0, "Not allowed"},
|
|
{1, "Allowed"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static int
|
|
decode_gtp_higher_br_16mb_flg(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_HIGHER_BR_16MB_FLG], NULL,
|
|
val_to_str_ext_const(GTP_EXT_HIGHER_BR_16MB_FLG, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Higher bitrates than 16 Mbps flag */
|
|
proto_tree_add_item(ext_tree, hf_gtp_higher_br_16mb_flg, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.106 Max MBR/APN-AMBR
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_max_mbr_apn_ambr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
guint32 max_ul;
|
|
guint32 max_dl;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_MAX_MBR_APN_AMBR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_MAX_MBR_APN_AMBR, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset + 2;
|
|
|
|
/* Max MBR/APN-AMBR for uplink */
|
|
max_ul = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_uint_format_value(ext_tree, hf_gtp_max_mbr_apn_ambr_ul, tvb, offset, 4, max_ul, "%u %s",
|
|
(max_ul) > 1000 ? max_ul/1000 : max_ul,
|
|
(max_ul) > 1000 ? "Mbps" : "kbps");
|
|
|
|
offset += 4;
|
|
|
|
/* Max MBR/APN-AMBR for downlink */
|
|
max_dl = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_uint_format_value(ext_tree, hf_gtp_max_mbr_apn_ambr_dl, tvb, offset, 4, max_dl, "%u %s",
|
|
(max_dl) > 1000 ? max_dl/1000 : max_dl,
|
|
(max_dl) > 1000 ? "Mbps" : "kbps");
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.107 Additional MM context for SRVCC
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_add_mm_ctx_srvcc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ADD_MM_CTX_SRVCC], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ADD_MM_CTX_SRVCC, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.108 Additional flags for SRVCC
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_add_flgs_srvcc(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ADD_FLGS_SRVCC], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ADD_FLGS_SRVCC, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.109 STN-SR
|
|
*/
|
|
static int
|
|
decode_gtp_stn_sr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_STN_SR], NULL,
|
|
val_to_str_ext_const(GTP_EXT_STN_SR, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.110 C-MSISDN
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_c_msisdn(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_C_MSISDN], NULL,
|
|
val_to_str_ext_const(GTP_EXT_C_MSISDN, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.111 Extended RANAP Cause
|
|
*/
|
|
static int
|
|
decode_gtp_ext_ranap_cause(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_EXT_RANAP_CAUSE], NULL,
|
|
val_to_str_ext_const(GTP_EXT_EXT_RANAP_CAUSE, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.112 eNodeB ID
|
|
*/
|
|
|
|
static const value_string gtp_enb_type_vals[] = {
|
|
{ 0, "Macro eNodeB ID" },
|
|
{ 1, "Home eNodeB ID" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
decode_gtp_ext_enodeb_id(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
guint32 enb_type;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ENODEB_ID], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ENODEB_ID, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* eNodeB Type */
|
|
proto_tree_add_item_ret_uint(ext_tree, hf_gtp_ext_enb_type, tvb, offset, 1, ENC_BIG_ENDIAN, &enb_type);
|
|
offset++;
|
|
|
|
dissect_e212_mcc_mnc(tvb, pinfo, ext_tree, offset, E212_NONE, TRUE);
|
|
offset += 3;
|
|
|
|
switch (enb_type){
|
|
case 0:
|
|
/* Macro eNodeB ID */
|
|
proto_tree_add_item(ext_tree, hf_gtp_macro_enodeb_id, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
offset += 3;
|
|
proto_tree_add_item(ext_tree, hf_gtp_tac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 1:
|
|
/* Home eNodeB ID */
|
|
proto_tree_add_item(ext_tree, hf_gtp_home_enodeb_id, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
proto_tree_add_item(ext_tree, hf_gtp_tac, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
break;
|
|
default:
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length - 4);
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.113 Selection Mode with NSAPI
|
|
*/
|
|
static int
|
|
decode_gtp_ext_sel_mode_w_nsapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_SEL_MODE_W_NSAPI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_SEL_MODE_W_NSAPI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.114 ULI Timestamp
|
|
*/
|
|
static int
|
|
decode_gtp_ext_uli_timestamp(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_ULI_TIMESTAMP], NULL,
|
|
val_to_str_ext_const(GTP_EXT_ULI_TIMESTAMP, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/*
|
|
* 7.7.115 Local Home Network ID (LHN-ID) with NSAPI
|
|
*/
|
|
static int
|
|
decode_gtp_ext_lhn_id_w_sapi(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_LHN_ID_W_SAPI], NULL,
|
|
val_to_str_ext_const(GTP_EXT_LHN_ID_W_SAPI, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
/*
|
|
* 7.7.116 CN Operator Selection Entity
|
|
*/
|
|
static int
|
|
decode_gtp_ext_cn_op_sel_entity(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
guint16 length;
|
|
proto_tree *ext_tree;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_ies[GTP_EXT_CN_OP_SEL_ENTITY], NULL,
|
|
val_to_str_ext_const(GTP_EXT_CN_OP_SEL_ENTITY, >pv1_val_ext, "Unknown"));
|
|
proto_tree_add_item(ext_tree, hf_gtp_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset++;
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
proto_tree_add_expert(ext_tree, pinfo, &ei_gtp_undecoded, tvb, offset, length);
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
static int
|
|
decode_gtp_rel_pack(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_rel_pack;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_rel_pack = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_rel_pack, NULL,
|
|
"Sequence numbers of released packets IE");
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_uint_format(ext_tree_rel_pack, hf_gtp_seq_num_released, tvb, offset + 3 + n, 2, number, "%u", number);
|
|
n = n + 2;
|
|
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_can_pack(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_can_pack;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_can_pack = proto_tree_add_subtree(tree, tvb, offset, 3 + length, ett_gtp_can_pack, NULL,
|
|
"Sequence numbers of cancelled packets IE");
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_uint_format(ext_tree_can_pack, hf_gtp_seq_num_canceled, tvb, offset + 3 + n, 2, number, "%u", number);
|
|
n += 2;
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* CDRs dissector
|
|
* 3GPP TS 32.295 version 9.0.0 Release 9
|
|
*/
|
|
|
|
|
|
static const value_string gtp_cdr_fmt_vals[] = {
|
|
{1, "Basic Encoding Rules (BER)"},
|
|
{2, "Unaligned basic Packed Encoding Rules (PER)"},
|
|
{3, "Aligned basic Packed Encoding Rules (PER)"},
|
|
{0, NULL}
|
|
};
|
|
static int
|
|
decode_gtp_data_req(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, cdr_length;
|
|
guint8 no, format, app_id, rel_id, ver_id, i;
|
|
proto_tree *ext_tree, *ver_tree, *cdr_dr_tree;
|
|
proto_item *fmt_item;
|
|
tvbuff_t *next_tvb;
|
|
|
|
ext_tree = proto_tree_add_subtree(tree, tvb, offset, 1, ett_gtp_ext, NULL,
|
|
val_to_str_ext_const(GTP_EXT_DATA_REQ, >p_val_ext, "Unknown message"));
|
|
offset++;
|
|
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(ext_tree, hf_gtp_length, tvb, offset, 2, length);
|
|
offset+=2;
|
|
|
|
if (length == 0) {
|
|
return 3;
|
|
}
|
|
|
|
/* Octet 4 Number of Data Records */
|
|
no = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(ext_tree, hf_gtp_number_of_data_records, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Octet 5 Data Record Format */
|
|
format = tvb_get_guint8(tvb, offset);
|
|
fmt_item = proto_tree_add_item(ext_tree, hf_gtp_data_record_format, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* The value range is 1-255 in decimal. The value '0' should not be used.
|
|
* Only the values 1-10 and 51-255 can be used for standards purposes.
|
|
* Values in the range of 11-50 are to be configured only by operators, and are not subject to standardization.
|
|
*/
|
|
if(format < 4) {
|
|
proto_item_append_text(fmt_item, " %s", val_to_str_const(format, gtp_cdr_fmt_vals, "Unknown"));
|
|
/* Octet 6 -7 Data Record Format Version
|
|
* 8 7 6 5 4 3 2 1
|
|
* 6 Application Identifier Release Identifier
|
|
* 7 Version Identifier
|
|
*/
|
|
app_id = tvb_get_guint8(tvb,offset);
|
|
rel_id = app_id & 0x0f;
|
|
app_id = app_id >>4;
|
|
ver_id =tvb_get_guint8(tvb,offset+1);
|
|
/* The second octet (#7 in Data Record Packet IE) identifies the version of the TS used to encode the CDR,
|
|
* i.e. its value corresponds to the second digit of the version number of the document [51]
|
|
* (as shown on the cover sheet), plus '1'.
|
|
* E.g. for version 3.4.0, the Version Identifier would be "5".
|
|
* In circumstances where the second digit is an alphabetical character, (e.g. 3.b.0), the corresponding ASCII value shall
|
|
* be taken, e.g. the Version Identifier would be "66" (ASCII(b)).
|
|
*/
|
|
if(ver_id < 0x65)
|
|
ver_id = ver_id -1;
|
|
/* XXX We don't handle ASCCI version */
|
|
|
|
ver_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, 2, ett_gtp_cdr_ver, NULL,
|
|
"Data record format version: AppId %u Rel %u.%u.0", app_id,rel_id,ver_id);
|
|
proto_tree_add_item(ver_tree, hf_gtp_cdr_app, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ver_tree, hf_gtp_cdr_rel, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ver_tree, hf_gtp_cdr_ver, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
for(i = 0; i < no; ++i) {
|
|
cdr_length = tvb_get_ntohs(tvb, offset);
|
|
cdr_dr_tree = proto_tree_add_subtree_format(ext_tree, tvb, offset, cdr_length+2,
|
|
ett_gtp_cdr_dr, NULL, "Data record %d", i + 1);
|
|
proto_tree_add_uint(cdr_dr_tree, hf_gtp_cdr_length, tvb, offset, 2, cdr_length);
|
|
offset+=2;
|
|
proto_tree_add_item(cdr_dr_tree, hf_gtp_cdr_context, tvb, offset, cdr_length, ENC_NA);
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
|
|
/* XXX this is for release 6, may not work for higher releases */
|
|
if(format==1) {
|
|
if(rel_id <= 6){
|
|
dissect_gprscdr_GPRSCallEventRecord_PDU(next_tvb, pinfo, cdr_dr_tree, NULL);
|
|
}else if(rel_id >6){
|
|
dissect_gprscdr_GPRSRecord_PDU(next_tvb, pinfo, cdr_dr_tree, NULL);
|
|
}
|
|
} else {
|
|
/* Do we have a dissector regestering for this data format? */
|
|
dissector_try_uint(gtp_cdr_fmt_dissector_table, format, next_tvb, pinfo, cdr_dr_tree);
|
|
}
|
|
|
|
offset = offset + cdr_length;
|
|
}
|
|
|
|
} else {
|
|
/* Proprietary CDR format */
|
|
proto_item_append_text(fmt_item, " Proprietary or un documented format");
|
|
}
|
|
|
|
if (gtpcdr_handle) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(gtpcdr_handle, next_tvb, pinfo, tree);
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_data_resp(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, n, number;
|
|
proto_tree *ext_tree_data_resp;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_data_resp = proto_tree_add_subtree(tree, tvb, offset, 3 + length,
|
|
ett_gtp_data_resp, NULL, "Requests responded");
|
|
|
|
n = 0;
|
|
|
|
while (n < length) {
|
|
|
|
number = tvb_get_ntohs(tvb, offset + 3 + n);
|
|
proto_tree_add_uint_format(ext_tree_data_resp, hf_gtp_requests_responded, tvb, offset + 3 + n, 2, number, "%u", number);
|
|
n = n + 2;
|
|
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 12.15
|
|
* UMTS: 33.015
|
|
*/
|
|
static int
|
|
decode_gtp_node_addr(tvbuff_t * tvb, int offset, packet_info * pinfo _U_, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length;
|
|
proto_tree *ext_tree_node_addr;
|
|
proto_item *te;
|
|
|
|
length = tvb_get_ntohs(tvb, offset + 1);
|
|
|
|
ext_tree_node_addr = proto_tree_add_subtree(tree, tvb, offset, 3 + length,
|
|
ett_gtp_node_addr, &te, "Node address: ");
|
|
|
|
proto_tree_add_item(ext_tree_node_addr, hf_gtp_node_address_length, tvb, offset + 1, 2, ENC_BIG_ENDIAN);
|
|
|
|
switch (length) {
|
|
case 4:
|
|
proto_tree_add_item(ext_tree_node_addr, hf_gtp_node_ipv4, tvb, offset + 3, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(te, "%s", tvb_ip_to_str(tvb, offset + 3));
|
|
break;
|
|
case 16:
|
|
proto_tree_add_item(ext_tree_node_addr, hf_gtp_node_ipv6, tvb, offset + 3, 16, ENC_NA);
|
|
proto_item_append_text(te, "%s", tvb_ip6_to_str(tvb, offset + 3));
|
|
break;
|
|
default:
|
|
proto_item_append_text(te, "unknown type or wrong length");
|
|
break;
|
|
}
|
|
|
|
return 3 + length;
|
|
|
|
}
|
|
|
|
/* GPRS: 9.60 v7.6.0, chapter 7.9.26
|
|
* UMTS: 29.060 v4.0, chapter 7.7.46 Private Extension
|
|
*
|
|
*/
|
|
|
|
static int
|
|
decode_gtp_priv_ext(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
guint16 length, ext_id;
|
|
proto_tree *ext_tree_priv_ext;
|
|
proto_item *te;
|
|
tvbuff_t *next_tvb;
|
|
|
|
ext_tree_priv_ext = proto_tree_add_subtree_format(tree, tvb, offset, 1, ett_gtp_ext, &te,
|
|
"%s : ", val_to_str_ext_const(GTP_EXT_PRIV_EXT, >p_val_ext, "Unknown message"));
|
|
|
|
offset++;
|
|
length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_item(ext_tree_priv_ext, hf_gtp_ext_length, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
if (length >= 2) {
|
|
ext_id = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(ext_tree_priv_ext, hf_gtp_ext_id, tvb, offset, 2, ext_id);
|
|
proto_item_append_text(te, "%s (%u)", val_to_str_ext_const(ext_id, &sminmpec_values_ext, "Unknown"), ext_id);
|
|
offset = offset + 2;
|
|
|
|
if (length > 2) {
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length-2);
|
|
if(!dissector_try_uint(gtp_priv_ext_dissector_table, ext_id, next_tvb, pinfo, ext_tree_priv_ext)){
|
|
proto_tree_add_item(ext_tree_priv_ext, hf_gtp_ext_val, tvb, offset, length - 2, ENC_NA);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 3 + length;
|
|
}
|
|
|
|
static int
|
|
decode_gtp_unknown(tvbuff_t * tvb, int offset, packet_info * pinfo, proto_tree * tree, session_args_t * args _U_)
|
|
{
|
|
|
|
proto_tree_add_expert(tree, pinfo, &ei_gtp_unknown_extention_header, tvb, offset, 1);
|
|
|
|
return tvb_reported_length_remaining(tvb, offset);
|
|
}
|
|
|
|
static void
|
|
track_gtp_session(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, gtp_hdr_t * gtp_hdr, wmem_list_t *teid_list, wmem_list_t *ip_list, guint32 last_teid, address last_ip)
|
|
{
|
|
guint32 *session, frame_teid_cp;
|
|
proto_item *it;
|
|
|
|
/* GTP session */
|
|
if (tree) {
|
|
session = (guint32*)g_hash_table_lookup(session_table, &pinfo->num);
|
|
if (session) {
|
|
it = proto_tree_add_uint(tree, hf_gtp_session, tvb, 0, 0, *session);
|
|
PROTO_ITEM_SET_GENERATED(it);
|
|
}
|
|
}
|
|
|
|
|
|
if (!PINFO_FD_VISITED(pinfo) && gtp_version == 1) {
|
|
/* If the message does not have any session ID */
|
|
session = (guint32*)g_hash_table_lookup(session_table, &pinfo->num);
|
|
if (!session) {
|
|
/* If the message is not a CPDPCRES, CPDPCREQ, UPDPREQ, UPDPRES then we remove its information from teid and ip lists */
|
|
if ((gtp_hdr->message != GTP_MSG_CREATE_PDP_RESP && gtp_hdr->message != GTP_MSG_CREATE_PDP_REQ && gtp_hdr->message != GTP_MSG_UPDATE_PDP_RESP
|
|
&& gtp_hdr->message != GTP_MSG_UPDATE_PDP_REQ)) {
|
|
/* If the lists are not empty*/
|
|
if (wmem_list_count(teid_list) && wmem_list_count(ip_list)) {
|
|
remove_frame_info(&pinfo->num);
|
|
}
|
|
}
|
|
|
|
if (gtp_hdr->message == GTP_MSG_CREATE_PDP_REQ) {
|
|
/* If CPDPCREQ and not already in the list then we create a new session*/
|
|
add_gtp_session(pinfo->num, gtp_session_count++);
|
|
} else if (gtp_hdr->message != GTP_MSG_CREATE_PDP_RESP) {
|
|
/* If this is an error indication then we have to check the session id that belongs to the message with the same data teid and ip */
|
|
if (gtp_hdr->message == GTP_MSG_ERR_IND) {
|
|
if (get_frame(last_ip, last_teid, &frame_teid_cp) == 1) {
|
|
session = (guint32*)g_hash_table_lookup(session_table, &frame_teid_cp);
|
|
if (session != NULL) {
|
|
/* We add the corresponding session to the session list*/
|
|
add_gtp_session(pinfo->num, *session);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* We have to check if its teid == teid_cp and ip.dst == gsn_ipv4 from the lists, if that is the case then we have to assign
|
|
the corresponding session ID */
|
|
const address * dst_address;
|
|
address gsn_address;
|
|
dst_address = &pinfo->dst;
|
|
copy_address(&gsn_address, dst_address);
|
|
if ((get_frame(gsn_address, (guint32)gtp_hdr->teid, &frame_teid_cp) == 1)) {
|
|
/* Then we have to set its session ID */
|
|
session = (guint32*)g_hash_table_lookup(session_table, &frame_teid_cp);
|
|
if (session != NULL) {
|
|
/* We add the corresponding session to the list so that when a response came we can associate its session ID*/
|
|
add_gtp_session(pinfo->num, *session);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
dissect_gtp_common(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
|
|
{
|
|
guint8 octet;
|
|
gtp_hdr_t *gtp_hdr = NULL;
|
|
proto_tree *gtp_tree = NULL, *ext_tree;
|
|
proto_item *ti = NULL, *tf, *ext_hdr_len_item, *message_item;
|
|
int i, offset = 0, checked_field, mandatory;
|
|
gboolean gtp_prime, has_SN;
|
|
int seq_no = 0;
|
|
int flow_label = 0;
|
|
guint8 pdu_no, next_hdr = 0;
|
|
guint8 ext_hdr_val;
|
|
guint ext_hdr_length;
|
|
guint16 ext_hdr_pdcpsn;
|
|
gchar *tid_str;
|
|
tvbuff_t *next_tvb;
|
|
guint8 sub_proto;
|
|
guint8 acfield_len = 0;
|
|
guint8 control_field;
|
|
gtp_msg_hash_t *gcrp = NULL;
|
|
conversation_t *conversation;
|
|
gtp_conv_info_t *gtp_info;
|
|
session_args_t *args = NULL;
|
|
|
|
/* Do we have enough bytes for the version and message type? */
|
|
if (!tvb_bytes_exist(tvb, 0, 2)) {
|
|
/* No - reject the packet. */
|
|
return 0;
|
|
}
|
|
octet = tvb_get_guint8(tvb, 0);
|
|
if (((octet >> 5) & 0x07) > 2) {
|
|
/* Version > 2; reject the packet */
|
|
return 0;
|
|
}
|
|
octet = tvb_get_guint8(tvb, 1);
|
|
if (octet == GTP_MSG_UNKNOWN || try_val_to_str(octet, gtp_message_type) == NULL) {
|
|
/* Unknown message type; reject the packet */
|
|
return 0;
|
|
}
|
|
|
|
/* Setting everything to 0, so that the TEID is 0 for GTP version 0
|
|
* The magic number should perhaps be replaced.
|
|
*/
|
|
gtp_hdr = wmem_new0(wmem_packet_scope(), gtp_hdr_t);
|
|
|
|
/* Setting the TEID to -1 to say that the TEID is not valid for this packet */
|
|
gtp_hdr->teid = -1;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "GTP");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
if (g_gtp_session) {
|
|
args = wmem_new0(wmem_packet_scope(), session_args_t);
|
|
args->last_cause = 128; /* It stores the last cause decoded. Cause accepted by default */
|
|
/* We create the auxiliary lists */
|
|
args->teid_list = wmem_list_new(wmem_packet_scope());
|
|
args->ip_list = wmem_list_new(wmem_packet_scope());
|
|
}
|
|
|
|
/*
|
|
* Do we have a conversation for this connection?
|
|
*/
|
|
conversation = find_or_create_conversation(pinfo);
|
|
|
|
/*
|
|
* Do we already know this conversation?
|
|
*/
|
|
gtp_info = (gtp_conv_info_t *)conversation_get_proto_data(conversation, proto_gtp);
|
|
if (gtp_info == NULL) {
|
|
/* No. Attach that information to the conversation, and add
|
|
* it to the list of information structures.
|
|
*/
|
|
gtp_info = (gtp_conv_info_t *)wmem_alloc(wmem_file_scope(), sizeof(gtp_conv_info_t));
|
|
/*Request/response matching tables*/
|
|
gtp_info->matched = g_hash_table_new(gtp_sn_hash, gtp_sn_equal_matched);
|
|
gtp_info->unmatched = g_hash_table_new(gtp_sn_hash, gtp_sn_equal_unmatched);
|
|
|
|
conversation_add_proto_data(conversation, proto_gtp, gtp_info);
|
|
|
|
gtp_info->next = gtp_info_items;
|
|
gtp_info_items = gtp_info;
|
|
}
|
|
|
|
gtp_hdr->flags = tvb_get_guint8(tvb, offset);
|
|
|
|
if (!(gtp_hdr->flags & 0x10)){
|
|
gtp_prime = TRUE;
|
|
}else{
|
|
gtp_prime = FALSE;
|
|
}
|
|
|
|
switch ((gtp_hdr->flags >> 5) & 0x07) {
|
|
case 0:
|
|
gtp_version = 0;
|
|
break;
|
|
case 1:
|
|
gtp_version = 1;
|
|
break;
|
|
default:
|
|
gtp_version = 1;
|
|
break;
|
|
}
|
|
if (tree) {
|
|
if (gtp_prime) {
|
|
const int * gtp_prime_flags[] = {
|
|
&hf_gtp_prime_flags_ver,
|
|
&hf_gtp_flags_pt,
|
|
&hf_gtp_flags_spare1,
|
|
NULL
|
|
};
|
|
const int * gtp_prime_v0_flags[] = {
|
|
&hf_gtp_prime_flags_ver,
|
|
&hf_gtp_flags_pt,
|
|
&hf_gtp_flags_spare1,
|
|
&hf_gtp_flags_hdr_length,
|
|
NULL
|
|
};
|
|
|
|
ti = proto_tree_add_item(tree, proto_gtpprime, tvb, 0, -1, ENC_NA);
|
|
gtp_tree = proto_item_add_subtree(ti, ett_gtp);
|
|
|
|
/* Octet 8 7 6 5 4 3 2 1
|
|
* 1 Version | PT| Spare '1 1 1 '| ' 0/1 '
|
|
*/
|
|
|
|
/* Bit 1 of octet 1 is not used in GTP' (except in v0), and it is marked '0'
|
|
* in the GTP' header. It is in use in GTP' v0 and distinguishes the used header-length.
|
|
* In the case of GTP' v0, this bit being marked one (1) indicates the usage of the 6
|
|
* octets header. If the bit is set to '0' (usually the case) the 20-octet header is used.
|
|
* For all other versions of GTP', this bit is not used and is set to '0'. However,
|
|
* this does not suggest the use of the 20-octet header, rather a shorter 6-octet header.
|
|
*/
|
|
if (gtp_version == 0) {
|
|
proto_tree_add_bitmask_value_with_flags(gtp_tree, tvb, offset, hf_gtp_flags,
|
|
ett_gtp_flags, gtp_prime_v0_flags, gtp_hdr->flags, BMT_NO_APPEND);
|
|
} else {
|
|
proto_tree_add_bitmask_value_with_flags(gtp_tree, tvb, offset, hf_gtp_flags,
|
|
ett_gtp_flags, gtp_prime_flags, gtp_hdr->flags, BMT_NO_APPEND);
|
|
}
|
|
} else {
|
|
const int * gtp_flags[] = {
|
|
&hf_gtp_flags_ver,
|
|
&hf_gtp_flags_pt,
|
|
&hf_gtp_flags_spare2,
|
|
&hf_gtp_flags_e,
|
|
&hf_gtp_flags_s,
|
|
&hf_gtp_flags_pn,
|
|
NULL
|
|
};
|
|
const int * gtp_v0_flags[] = {
|
|
&hf_gtp_flags_ver,
|
|
&hf_gtp_flags_pt,
|
|
&hf_gtp_flags_spare1,
|
|
&hf_gtp_flags_snn,
|
|
NULL
|
|
};
|
|
ti = proto_tree_add_item(tree, proto_gtp, tvb, 0, -1, ENC_NA);
|
|
gtp_tree = proto_item_add_subtree(ti, ett_gtp);
|
|
|
|
if (gtp_version == 0) {
|
|
proto_tree_add_bitmask_value_with_flags(gtp_tree, tvb, offset, hf_gtp_flags,
|
|
ett_gtp_flags, gtp_v0_flags, gtp_hdr->flags, BMT_NO_APPEND);
|
|
} else {
|
|
proto_tree_add_bitmask_value_with_flags(gtp_tree, tvb, offset, hf_gtp_flags,
|
|
ett_gtp_flags, gtp_flags, gtp_hdr->flags, BMT_NO_APPEND);
|
|
}
|
|
}
|
|
}
|
|
offset++;
|
|
|
|
gtp_hdr->message = tvb_get_guint8(tvb, offset);
|
|
/* Link direction is needed to properly dissect PCO */
|
|
switch(gtp_hdr->message){
|
|
case GTP_MSG_DELETE_PDP_REQ:
|
|
case GTP_MSG_UPDATE_PDP_REQ:
|
|
case GTP_MSG_CREATE_PDP_REQ:
|
|
case GTP_MSG_INIT_PDP_CONTEXT_ACT_REQ:
|
|
case GTP_MSG_PDU_NOTIFY_REQ:
|
|
case GTP_MSG_PDU_NOTIFY_REJ_REQ:
|
|
case GTP_MSG_FORW_RELOC_REQ: /* direction added for UTRAN Container decode */
|
|
pinfo->link_dir = P2P_DIR_UL;
|
|
break;
|
|
case GTP_MSG_DELETE_PDP_RESP:
|
|
case GTP_MSG_UPDATE_PDP_RESP:
|
|
case GTP_MSG_CREATE_PDP_RESP:
|
|
case GTP_MSG_INIT_PDP_CONTEXT_ACT_RESP:
|
|
case GTP_MSG_FORW_RELOC_RESP: /* direction added for UTRAN Container decode */
|
|
pinfo->link_dir = P2P_DIR_DL;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
col_set_str(pinfo->cinfo, COL_INFO, val_to_str_ext_const(gtp_hdr->message, >p_message_type_ext, "Unknown"));
|
|
message_item = proto_tree_add_uint(gtp_tree, hf_gtp_message_type, tvb, offset, 1, gtp_hdr->message);
|
|
offset++;
|
|
|
|
gtp_hdr->length = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_length, tvb, 2, 2, gtp_hdr->length);
|
|
offset += 2;
|
|
|
|
/* We initialize the sequence number*/
|
|
has_SN = FALSE;
|
|
if (gtp_prime) {
|
|
seq_no = tvb_get_ntohs(tvb, offset);
|
|
has_SN = TRUE;
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
offset += 2;
|
|
/* If GTP' version is 0 and bit 1 is 0 20 bytes header is used, dissect it */
|
|
if( (gtp_version == 0) && ((gtp_hdr->flags & 0x01) == 0) ) {
|
|
proto_tree_add_item(gtp_tree, hf_gtp_dummy_octets, tvb, offset, 14, ENC_NA);
|
|
offset += 14;
|
|
}
|
|
|
|
set_actual_length(tvb, offset + gtp_hdr->length);
|
|
} else {
|
|
switch (gtp_version) {
|
|
case 0:
|
|
seq_no = tvb_get_ntohs(tvb, offset);
|
|
has_SN = TRUE;
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
offset += 2;
|
|
|
|
flow_label = tvb_get_ntohs(tvb, offset);
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_flow_label, tvb, offset, 2, flow_label);
|
|
offset += 2;
|
|
|
|
pdu_no = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_sndcp_number, tvb, offset, 1, pdu_no);
|
|
offset += 4;
|
|
|
|
tid_str = id_to_str(tvb, offset);
|
|
proto_tree_add_string(gtp_tree, hf_gtp_tid, tvb, offset, 8, tid_str);
|
|
offset += 8;
|
|
|
|
set_actual_length(tvb, offset + gtp_hdr->length);
|
|
|
|
break;
|
|
case 1:
|
|
gtp_hdr->teid = tvb_get_ntohl(tvb, offset);
|
|
proto_tree_add_item(gtp_tree, hf_gtp_teid, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
|
|
set_actual_length(tvb, offset + gtp_hdr->length);
|
|
|
|
/* Are sequence number/N-PDU Number/extension header present?
|
|
See NOTE 5 of Figure 2 of 3GPP TS 29.060 version 4.3.0
|
|
Release 4 - the Sequence Number, N-PDU Number, and
|
|
Next Extension Header fields are present if any of
|
|
GTP_E_MASK, GTP_S_MASK, or GTP_PN_MASK are set. */
|
|
if (gtp_hdr->flags & (GTP_E_MASK|GTP_S_MASK|GTP_PN_MASK)) {
|
|
/* Those fields are only *interpreted* if the
|
|
particular flag for the field is set. */
|
|
if (gtp_hdr->flags & GTP_S_MASK) {
|
|
seq_no = tvb_get_ntohs(tvb, offset);
|
|
has_SN = TRUE;
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_seq_number, tvb, offset, 2, seq_no);
|
|
}
|
|
offset += 2;
|
|
|
|
if (gtp_hdr->flags & GTP_PN_MASK) {
|
|
pdu_no = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_npdu_number, tvb, offset, 1, pdu_no);
|
|
}
|
|
offset++;
|
|
|
|
if (gtp_hdr->flags & GTP_E_MASK) {
|
|
next_hdr = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(gtp_tree, hf_gtp_ext_hdr_next, tvb, offset, 1, next_hdr);
|
|
offset++;
|
|
while (next_hdr != 0) {
|
|
ext_hdr_length = tvb_get_guint8(tvb, offset);
|
|
tf = proto_tree_add_item(gtp_tree, hf_gtp_ext_hdr, tvb, offset, ext_hdr_length*4, ENC_NA);
|
|
ext_tree = proto_item_add_subtree(tf, ett_gtp_ext_hdr);
|
|
ext_hdr_len_item = proto_tree_add_item(ext_tree, hf_gtp_ext_hdr_length, tvb, offset,1, ENC_BIG_ENDIAN);
|
|
if (ext_hdr_length == 0) {
|
|
expert_add_info_format(pinfo, ext_hdr_len_item, &ei_gtp_ext_length_mal,
|
|
"Extension header length is zero");
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
offset++;
|
|
|
|
switch (next_hdr) {
|
|
|
|
case GTP_EXT_HDR_PDCP_SN:
|
|
/* PDCP PDU
|
|
* 3GPP 29.281 v9.0.0, 5.2.2.2 PDCP PDU Number
|
|
*
|
|
* "This extension header is transmitted, for
|
|
* example in UTRAN, at SRNS relocation time,
|
|
* to provide the PDCP sequence number of not
|
|
* yet acknowledged N-PDUs. It is 4 octets long,
|
|
* and therefore the Length field has value 1.
|
|
*
|
|
* When used between two eNBs at the X2 interface
|
|
* in E-UTRAN, bits 5-8 of octet 2 are spare.
|
|
* The meaning of the spare bits shall be set
|
|
* to zero.
|
|
*
|
|
* Wireshark Note: TS 29.060 does not define bit
|
|
* 5-6 as spare, so no check is possible unless
|
|
* a preference is used.
|
|
*/
|
|
/* First byte is length (should be 1) */
|
|
if (ext_hdr_length == 1) {
|
|
proto_item* ext_item;
|
|
|
|
ext_hdr_pdcpsn = tvb_get_ntohs(tvb, offset);
|
|
ext_item = proto_tree_add_item(ext_tree, hf_gtp_ext_hdr_pdcpsn, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
if (ext_hdr_pdcpsn & 0x700) {
|
|
expert_add_info(pinfo, ext_item, &ei_gtp_ext_hdr_pdcpsn);
|
|
}
|
|
} else {
|
|
expert_add_info_format(pinfo, ext_tree, &ei_gtp_ext_length_warn, "The length field for the PDCP SN Extension header should be 1.");
|
|
}
|
|
break;
|
|
|
|
case GTP_EXT_HDR_UDP_PORT:
|
|
/* UDP Port
|
|
* 3GPP 29.281 v9.0.0, 5.2.2.1 UDP Port
|
|
* "This extension header may be transmitted in
|
|
* Error Indication messages to provide the UDP
|
|
* Source Port of the G-PDU that triggered the
|
|
* Error Indication. It is 4 octets long, and
|
|
* therefore the Length field has value 1"
|
|
*/
|
|
if (ext_hdr_length == 1) {
|
|
/* UDP Port of source */
|
|
proto_tree_add_item(ext_tree, hf_gtp_ext_hdr_udp_port, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
} else {
|
|
/* Bad length */
|
|
expert_add_info_format(pinfo, ext_tree, &ei_gtp_ext_length_warn, "The length field for the UDP Port Extension header should be 1.");
|
|
}
|
|
break;
|
|
|
|
case GTP_EXT_HDR_SUSPEND_REQ:
|
|
/* Suspend Request */
|
|
break;
|
|
|
|
case GTP_EXT_HDR_SUSPEND_RESP:
|
|
/* Suspend Response */
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
offset += ext_hdr_length*4 - 2;
|
|
|
|
next_hdr = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_uint(ext_tree, hf_gtp_ext_hdr_next, tvb, offset, 1, next_hdr);
|
|
offset++;
|
|
}
|
|
} else
|
|
offset++;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (gtp_hdr->message != GTP_MSG_TPDU) {
|
|
/* Dissect IEs */
|
|
mandatory = 0; /* check order of GTP fields against ETSI */
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
ext_hdr_val = tvb_get_guint8(tvb, offset);
|
|
if (g_gtp_etsi_order) {
|
|
checked_field = check_field_presence(gtp_hdr->message, ext_hdr_val, &mandatory);
|
|
switch (checked_field) {
|
|
case -2:
|
|
expert_add_info(pinfo, message_item, &ei_gtp_message_not_found);
|
|
break;
|
|
case -1:
|
|
expert_add_info(pinfo, message_item, &ei_gtp_field_not_present);
|
|
break;
|
|
case 0:
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, message_item, &ei_gtp_wrong_next_field, "[WARNING] wrong next field, should be: %s",
|
|
val_to_str_ext_const(checked_field, >p_val_ext, "Unknown extension field"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
i = -1;
|
|
while (gtpopt[++i].optcode)
|
|
if (gtpopt[i].optcode == ext_hdr_val)
|
|
break;
|
|
offset = offset + (*gtpopt[i].decode) (tvb, offset, pinfo, gtp_tree, args);
|
|
}
|
|
|
|
if (args && !PINFO_FD_VISITED(pinfo)) {
|
|
/* We insert the lists inside the table*/
|
|
fill_map(args->teid_list, args->ip_list, pinfo->num);
|
|
}
|
|
/*Use sequence number to track Req/Resp pairs*/
|
|
if (has_SN) {
|
|
guint8 cause_aux = 128; /* Cause accepted by default. Only used when args is NULL */
|
|
if (args) {
|
|
cause_aux = args->last_cause;
|
|
}
|
|
gcrp = gtp_match_response(tvb, pinfo, gtp_tree, seq_no, gtp_hdr->message, gtp_info, cause_aux);
|
|
/*pass packet to tap for response time reporting*/
|
|
if (gcrp) {
|
|
tap_queue_packet(gtp_tap,pinfo,gcrp);
|
|
}
|
|
}
|
|
}
|
|
if (args) {
|
|
track_gtp_session(tvb, pinfo, gtp_tree, gtp_hdr, args->teid_list, args->ip_list, args->last_teid, args->last_ip);
|
|
}
|
|
proto_item_set_end(ti, tvb, offset);
|
|
|
|
if ((gtp_hdr->message == GTP_MSG_TPDU) && dissect_tpdu_as == GTP_TPDU_AS_TPDU) {
|
|
if(tvb_reported_length_remaining(tvb, offset) > 0){
|
|
proto_tree_add_item(gtp_tree, hf_gtp_tpdu_data, tvb, offset, -1, ENC_NA);
|
|
|
|
sub_proto = tvb_get_guint8(tvb, offset);
|
|
|
|
if ((sub_proto >= 0x45) && (sub_proto <= 0x4e)) {
|
|
/* this is most likely an IPv4 packet
|
|
* we can exclude 0x40 - 0x44 because the minimum header size is 20 octets
|
|
* 0x4f is excluded because PPP protocol type "IPv6 header compression"
|
|
* with protocol field compression is more likely than a plain IPv4 packet with 60 octet header size */
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(ip_handle, next_tvb, pinfo, tree);
|
|
|
|
} else if ((sub_proto & 0xf0) == 0x60) {
|
|
/* this is most likely an IPv6 packet */
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset);
|
|
call_dissector(ipv6_handle, next_tvb, pinfo, tree);
|
|
} else {
|
|
/* this seems to be a PPP packet */
|
|
|
|
if (sub_proto == 0xff) {
|
|
/* this might be an address field, even it shouldn't be here */
|
|
control_field = tvb_get_guint8(tvb, offset + 1);
|
|
if (control_field == 0x03)
|
|
/* now we are pretty sure that address and control field are mistakenly inserted -> ignore it for PPP dissection */
|
|
acfield_len = 2;
|
|
}
|
|
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset + acfield_len);
|
|
call_dissector(ppp_handle, next_tvb, pinfo, tree);
|
|
}
|
|
}
|
|
|
|
col_prepend_fstr(pinfo->cinfo, COL_PROTOCOL, "GTP <");
|
|
col_append_str(pinfo->cinfo, COL_PROTOCOL, ">");
|
|
}
|
|
else if ((gtp_hdr->message == GTP_MSG_TPDU) && dissect_tpdu_as == GTP_TPDU_AS_SYNC) {
|
|
next_tvb = tvb_new_subset_remaining(tvb, offset + acfield_len);
|
|
call_dissector(sync_handle, next_tvb, pinfo, tree);
|
|
col_prepend_fstr(pinfo->cinfo, COL_PROTOCOL, "GTP <");
|
|
col_append_str(pinfo->cinfo, COL_PROTOCOL, ">");
|
|
}
|
|
|
|
tap_queue_packet(gtpv1_tap,pinfo, gtp_hdr);
|
|
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
|
|
static int
|
|
dissect_gtpprime(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree,
|
|
void *private_data _U_)
|
|
{
|
|
return dissect_gtp_common(tvb, pinfo, tree);
|
|
}
|
|
|
|
static int
|
|
dissect_gtp(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree,
|
|
void *private_data _U_)
|
|
{
|
|
guint8 version;
|
|
|
|
/*
|
|
* Do we have enough data to check the first byte?
|
|
*/
|
|
if (!tvb_bytes_exist(tvb, 0, 1)) {
|
|
/* No. */
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* If this is GTPv2-C call the gtpv2 dissector if present
|
|
* Should this be moved to after the conversation stuff to retain that functionality for GTPv2 ???
|
|
*/
|
|
version = tvb_get_guint8(tvb,0)>>5;
|
|
if (version > 2) {
|
|
/* Unknown version - reject the packet */
|
|
return 0;
|
|
}
|
|
if (version == 2) {
|
|
/* GTPv2-C 3GPP TS 29.274 */
|
|
if (gtpv2_handle) {
|
|
call_dissector(gtpv2_handle, tvb, pinfo, tree);
|
|
return tvb_reported_length(tvb);
|
|
}
|
|
}
|
|
|
|
return dissect_gtp_common(tvb, pinfo, tree);
|
|
}
|
|
|
|
static void
|
|
gtp_init(void)
|
|
{
|
|
gtp_session_count = 1;
|
|
session_table = g_hash_table_new(g_int_hash, g_int_equal);
|
|
frame_tree = wmem_tree_new(wmem_file_scope());
|
|
}
|
|
|
|
static void
|
|
gtp_cleanup(void)
|
|
{
|
|
gtp_conv_info_t *gtp_info;
|
|
|
|
/* Free up state attached to the gtp_info structures */
|
|
for (gtp_info = gtp_info_items; gtp_info != NULL; ) {
|
|
gtp_conv_info_t *next;
|
|
|
|
g_hash_table_destroy(gtp_info->matched);
|
|
gtp_info->matched=NULL;
|
|
g_hash_table_destroy(gtp_info->unmatched);
|
|
gtp_info->unmatched=NULL;
|
|
|
|
next = gtp_info->next;
|
|
gtp_info = next;
|
|
}
|
|
|
|
/* Free up state attached to the gtp session structures */
|
|
gtp_info_items = NULL;
|
|
|
|
if (session_table != NULL) {
|
|
g_hash_table_destroy(session_table);
|
|
}
|
|
session_table = NULL;
|
|
}
|
|
|
|
void
|
|
proto_register_gtp(void)
|
|
{
|
|
module_t *gtp_module;
|
|
expert_module_t* expert_gtp;
|
|
guint i;
|
|
guint last_offset;
|
|
|
|
static hf_register_info hf_gtp[] = {
|
|
|
|
{&hf_gtp_ie_id,
|
|
{ "IE Id", "gtp.ie_id",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, >p_val_ext, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_response_in,
|
|
{ "Response In", "gtp.response_in",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"The response to this GTP request is in this frame", HFILL}
|
|
},
|
|
{&hf_gtp_response_to,
|
|
{ "Response To", "gtp.response_to",
|
|
FT_FRAMENUM, BASE_NONE, NULL, 0x0,
|
|
"This is a response to the GTP request in this frame", HFILL}
|
|
},
|
|
{&hf_gtp_time,
|
|
{ "Time", "gtp.time",
|
|
FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0,
|
|
"The time between the Request and the Response", HFILL}
|
|
},
|
|
{&hf_gtp_apn,
|
|
{ "APN", "gtp.apn",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Access Point Name", HFILL}
|
|
},
|
|
{&hf_gtp_cause,
|
|
{ "Cause", "gtp.cause",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &cause_type_ext, 0,
|
|
"Cause of operation", HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char,
|
|
{ "Charging characteristics", "gtp.chrg_char",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_s,
|
|
{ "Spare", "gtp.chrg_char_s",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_S,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_n,
|
|
{ "Normal charging", "gtp.chrg_char_n",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_N,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_p,
|
|
{ "Prepaid charging", "gtp.chrg_char_p",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_P,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_f,
|
|
{ "Flat rate charging", "gtp.chrg_char_f",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_F,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_h,
|
|
{ "Hot billing charging", "gtp.chrg_char_h",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_H,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_char_r,
|
|
{ "Reserved", "gtp.chrg_char_r",
|
|
FT_UINT16, BASE_DEC, NULL, GTP_MASK_CHRG_CHAR_R,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_id,
|
|
{ "Charging ID", "gtp.chrg_id",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_chrg_ipv4,
|
|
{ "CG address IPv4", "gtp.chrg_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Charging Gateway address IPv4", HFILL}
|
|
},
|
|
{&hf_gtp_chrg_ipv6,
|
|
{ "CG address IPv6", "gtp.chrg_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
"Charging Gateway address IPv6", HFILL}
|
|
},
|
|
{&hf_gtp_ext_flow_label,
|
|
{ "Flow Label Data I", "gtp.ext_flow_label",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
"Flow label data", HFILL}
|
|
},
|
|
{&hf_gtp_ext_id,
|
|
{ "Extension identifier", "gtp.ext_id",
|
|
FT_UINT16, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0,
|
|
"Private Enterprise number", HFILL}
|
|
},
|
|
{&hf_gtp_ext_val,
|
|
{ "Extension value", "gtp.ext_val",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_flags,
|
|
{ "Flags", "gtp.flags",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
"Ver/PT/Spare...", HFILL}
|
|
},
|
|
{&hf_gtp_ext_hdr,
|
|
{ "Extension header", "gtp.ext_hdr",
|
|
FT_NONE, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_hdr_next,
|
|
{ "Next extension header type", "gtp.ext_hdr.next",
|
|
FT_UINT8, BASE_HEX, VALS(next_extension_header_fieldvals), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_hdr_pdcpsn,
|
|
{ "PDCP Sequence Number", "gtp.ext_hdr.pdcp_sn",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_hdr_udp_port,
|
|
{ "UDP Port", "gtp.ext_hdr.udp_port",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_hdr_length,
|
|
{ "Extension Header Length", "gtp.ext_hdr.length",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_flags_ver,
|
|
{ "Version", "gtp.flags.version",
|
|
FT_UINT8, BASE_DEC, VALS(ver_types), GTP_VER_MASK,
|
|
"GTP Version", HFILL}
|
|
},
|
|
{&hf_gtp_prime_flags_ver,
|
|
{ "Version", "gtp.prim.flags.version",
|
|
FT_UINT8, BASE_DEC,NULL, GTP_VER_MASK,
|
|
"GTP' Version", HFILL}
|
|
},
|
|
{&hf_gtp_flags_pt,
|
|
{ "Protocol type", "gtp.flags.payload",
|
|
FT_UINT8, BASE_DEC, VALS(pt_types), GTP_PT_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_flags_spare1,
|
|
{ "Reserved", "gtp.flags.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_SPARE1_MASK,
|
|
"Reserved (shall be sent as '111' )", HFILL}
|
|
},
|
|
{&hf_gtp_flags_hdr_length,
|
|
{ "Header length", "gtp.flags.hdr_length",
|
|
FT_BOOLEAN, 8, TFS(>p_hdr_length_vals), 0x01,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_flags_snn,
|
|
{ "Is SNDCP N-PDU included?", "gtp.flags.snn",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), GTP_SNN_MASK,
|
|
"Is SNDCP N-PDU LLC Number included? (1 = yes, 0 = no)", HFILL}
|
|
},
|
|
{&hf_gtp_flags_spare2,
|
|
{ "Reserved", "gtp.flags.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_SPARE2_MASK,
|
|
"Reserved (shall be sent as '1' )", HFILL}
|
|
},
|
|
{&hf_gtp_flags_e,
|
|
{ "Is Next Extension Header present?", "gtp.flags.e",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), GTP_E_MASK,
|
|
"Is Next Extension Header present? (1 = yes, 0 = no)", HFILL}
|
|
},
|
|
{&hf_gtp_flags_s,
|
|
{ "Is Sequence Number present?", "gtp.flags.s",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), GTP_S_MASK,
|
|
"Is Sequence Number present? (1 = yes, 0 = no)", HFILL}
|
|
},
|
|
{&hf_gtp_flags_pn,
|
|
{ "Is N-PDU number present?", "gtp.flags.pn",
|
|
FT_BOOLEAN, 8, TFS(&tfs_yes_no), GTP_PN_MASK,
|
|
"Is N-PDU number present? (1 = yes, 0 = no)", HFILL}
|
|
},
|
|
{&hf_gtp_flow_ii,
|
|
{ "Flow Label Data II", "gtp.flow_ii",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Downlink flow label data", HFILL}
|
|
},
|
|
{&hf_gtp_flow_label,
|
|
{ "Flow label", "gtp.flow_label",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_flow_sig,
|
|
{ "Flow label Signalling", "gtp.flow_sig",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_gsn_addr_len,
|
|
{ "GSN Address Length", "gtp.gsn_addr_len",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_EXT_GSN_ADDR_LEN_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_gsn_addr_type,
|
|
{ "GSN Address Type", "gtp.gsn_addr_type",
|
|
FT_UINT8, BASE_DEC, VALS(gsn_addr_type), GTP_EXT_GSN_ADDR_TYPE_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_gsn_ipv4,
|
|
{ "GSN address IPv4", "gtp.gsn_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_gsn_ipv6,
|
|
{ "GSN address IPv6", "gtp.gsn_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_length,
|
|
{ "Length", "gtp.length",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Length (i.e. number of octets after TID or TEID)", HFILL}
|
|
},
|
|
{&hf_gtp_map_cause,
|
|
{ "MAP cause", "gtp.map_cause",
|
|
FT_UINT8, BASE_DEC, VALS(gsm_old_GSMMAPLocalErrorcode_vals), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_message_type,
|
|
{ "Message Type", "gtp.message",
|
|
FT_UINT8, BASE_HEX|BASE_EXT_STRING, >p_message_type_ext, 0x0,
|
|
"GTP Message Type", HFILL}
|
|
},
|
|
{&hf_gtp_ms_reason,
|
|
{ "MS not reachable reason", "gtp.ms_reason",
|
|
FT_UINT8, BASE_DEC, VALS(ms_not_reachable_type), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ms_valid,
|
|
{ "MS validated", "gtp.ms_valid",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_node_ipv4,
|
|
{ "Node address IPv4", "gtp.node_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Recommended node address IPv4", HFILL}
|
|
},
|
|
{&hf_gtp_node_ipv6,
|
|
{ "Node address IPv6", "gtp.node_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
"Recommended node address IPv6", HFILL}
|
|
},
|
|
{&hf_gtp_npdu_number,
|
|
{ "N-PDU Number", "gtp.npdu_number",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_nsapi,
|
|
{ "NSAPI", "gtp.nsapi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
"Network layer Service Access Point Identifier", HFILL}
|
|
},
|
|
{&hf_gtp_qos_version,
|
|
{ "Version", "gtp.qos_version",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
"Version of the QoS Profile", HFILL}
|
|
},
|
|
{&hf_gtp_qos_spare1,
|
|
{ "Spare", "gtp.qos_spare1",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE1_MASK,
|
|
"Spare (shall be sent as '00' )", HFILL}
|
|
},
|
|
{&hf_gtp_qos_delay,
|
|
{ "QoS delay", "gtp.qos_delay",
|
|
FT_UINT8, BASE_DEC, VALS(qos_delay_type), GTP_EXT_QOS_DELAY_MASK,
|
|
"Quality of Service Delay Class", HFILL}
|
|
},
|
|
{&hf_gtp_qos_reliability,
|
|
{ "QoS reliability", "gtp.qos_reliability",
|
|
FT_UINT8, BASE_DEC, VALS(qos_reliability_type), GTP_EXT_QOS_RELIABILITY_MASK,
|
|
"Quality of Service Reliability Class", HFILL}
|
|
},
|
|
{&hf_gtp_qos_peak,
|
|
{ "QoS peak", "gtp.qos_peak",
|
|
FT_UINT8, BASE_DEC, VALS(qos_peak_type), GTP_EXT_QOS_PEAK_MASK,
|
|
"Quality of Service Peak Throughput", HFILL}
|
|
},
|
|
{&hf_gtp_qos_spare2,
|
|
{ "Spare", "gtp.qos_spare2",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE2_MASK,
|
|
"Spare (shall be sent as 0)", HFILL}
|
|
},
|
|
{&hf_gtp_qos_precedence,
|
|
{ "QoS precedence", "gtp.qos_precedence",
|
|
FT_UINT8, BASE_DEC, VALS(qos_precedence_type), GTP_EXT_QOS_PRECEDENCE_MASK,
|
|
"Quality of Service Precedence Class", HFILL}
|
|
},
|
|
{&hf_gtp_qos_spare3,
|
|
{ "Spare", "gtp.qos_spare3",
|
|
FT_UINT8, BASE_DEC, NULL, GTP_EXT_QOS_SPARE3_MASK,
|
|
"Spare (shall be sent as '000' )", HFILL}
|
|
},
|
|
{&hf_gtp_qos_mean,
|
|
{ "QoS mean", "gtp.qos_mean",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &qos_mean_type_ext, GTP_EXT_QOS_MEAN_MASK,
|
|
"Quality of Service Mean Throughput", HFILL}
|
|
},
|
|
{&hf_gtp_qos_al_ret_priority,
|
|
{ "Allocation/Retention priority", "gtp.qos_al_ret_priority",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_traf_class,
|
|
{ "Traffic class", "gtp.qos_traf_class",
|
|
FT_UINT8, BASE_DEC, VALS(qos_traf_class), GTP_EXT_QOS_TRAF_CLASS_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_del_order,
|
|
{ "Delivery order", "gtp.qos_del_order",
|
|
FT_UINT8, BASE_DEC, VALS(qos_del_order), GTP_EXT_QOS_DEL_ORDER_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_del_err_sdu,
|
|
{ "Delivery of erroneous SDU", "gtp.qos_del_err_sdu",
|
|
FT_UINT8, BASE_DEC, VALS(qos_del_err_sdu), GTP_EXT_QOS_DEL_ERR_SDU_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_max_sdu_size,
|
|
{ "Maximum SDU size", "gtp.qos_max_sdu_size",
|
|
FT_UINT8, BASE_DEC, VALS(qos_max_sdu_size), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_max_ul,
|
|
{ "Maximum bit rate for uplink", "gtp.qos_max_ul",
|
|
FT_UINT8, BASE_DEC, VALS(qos_max_ul), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_max_dl,
|
|
{ "Maximum bit rate for downlink", "gtp.qos_max_dl",
|
|
FT_UINT8, BASE_DEC, VALS(qos_max_dl), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_res_ber,
|
|
{ "Residual BER", "gtp.qos_res_ber",
|
|
FT_UINT8, BASE_DEC, VALS(qos_res_ber), GTP_EXT_QOS_RES_BER_MASK,
|
|
"Residual Bit Error Rate", HFILL}
|
|
},
|
|
{&hf_gtp_qos_sdu_err_ratio,
|
|
{ "SDU Error ratio", "gtp.qos_sdu_err_ratio",
|
|
FT_UINT8, BASE_DEC, VALS(qos_sdu_err_ratio), GTP_EXT_QOS_SDU_ERR_RATIO_MASK,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{&hf_gtp_qos_trans_delay,
|
|
{ "Transfer delay", "gtp.qos_trans_delay",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &qos_trans_delay_ext, GTP_EXT_QOS_TRANS_DELAY_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_traf_handl_prio,
|
|
{ "Traffic handling priority", "gtp.qos_traf_handl_prio",
|
|
FT_UINT8, BASE_DEC, VALS(qos_traf_handl_prio), GTP_EXT_QOS_TRAF_HANDL_PRIORITY_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_guar_ul,
|
|
{ "Guaranteed bit rate for uplink", "gtp.qos_guar_ul",
|
|
FT_UINT8, BASE_DEC, VALS(qos_guar_ul), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_guar_dl,
|
|
{ "Guaranteed bit rate for downlink", "gtp.qos_guar_dl",
|
|
FT_UINT8, BASE_DEC, VALS(qos_guar_dl), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_src_stat_desc,
|
|
{ "Source Statistics Descriptor", "gtp.src_stat_desc",
|
|
FT_UINT8, BASE_DEC, VALS(src_stat_desc_vals), GTP_EXT_QOS_SRC_STAT_DESC_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_sig_ind,
|
|
{ "Signalling Indication", "gtp.sig_ind",
|
|
FT_BOOLEAN, 8, TFS(>p_sig_ind), GTP_EXT_QOS_SIG_IND_MASK,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_qos_arp,
|
|
{"Allocation/Retention Priority", "gtp.qos_arp",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_qos_arp_pci,
|
|
{"Pre-emption Capability (PCI)", "gtp.qos_arp_pci",
|
|
FT_BOOLEAN, 16, TFS(&tfs_disabled_enabled), 0x40,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_qos_arp_pl,
|
|
{"Priority Level", "gtp.qos_arp_pl",
|
|
FT_UINT16, BASE_DEC, NULL, 0x3c,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_qos_arp_pvi,
|
|
{"Pre-emption Vulnerability (PVI)", "gtp.qos_arp_pvi",
|
|
FT_BOOLEAN, 16, TFS(&tfs_disabled_enabled), 0x01,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_qci,
|
|
{"QCI", "gtp.qos_qci",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_ul_mbr,
|
|
{"Uplink Maximum Bit Rate", "gtp.qos_ul_mbr",
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_dl_mbr,
|
|
{"Downlink Maximum Bit Rate", "gtp.qos_dl_mbr",
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_ul_gbr,
|
|
{"Uplink Guaranteed Bit Rate", "gtp.qos_ul_gbr",
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_dl_gbr,
|
|
{"Downlink Guaranteed Bit Rate", "gtp.qos_dl_gbr",
|
|
FT_UINT64, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_ul_apn_ambr,
|
|
{"Uplink APN Aggregate Maximum Bit Rate", "gtp.qos_ul_apn_ambr",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_qos_dl_apn_ambr,
|
|
{"Downlink APN Aggregate Maximum Bit Rate", "gtp.qos_dl_apn_ambr",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_pkt_flow_id,
|
|
{ "Packet Flow ID", "gtp.pkt_flow_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ptmsi,
|
|
{ "P-TMSI", "gtp.ptmsi",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Packet-Temporary Mobile Subscriber Identity", HFILL}
|
|
},
|
|
{&hf_gtp_ptmsi_sig,
|
|
{ "P-TMSI Signature", "gtp.ptmsi_sig",
|
|
FT_UINT24, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_rab_gtpu_dn,
|
|
{ "Downlink GTP-U seq number", "gtp.rab_gtp_dn",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Downlink GTP-U sequence number", HFILL}
|
|
},
|
|
{&hf_gtp_rab_gtpu_up,
|
|
{ "Uplink GTP-U seq number", "gtp.rab_gtp_up",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Uplink GTP-U sequence number", HFILL}
|
|
},
|
|
{&hf_gtp_rab_pdu_dn,
|
|
{ "Downlink next PDCP-PDU seq number", "gtp.rab_pdu_dn",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Downlink next PDCP-PDU sequence number", HFILL}
|
|
},
|
|
{&hf_gtp_rab_pdu_up,
|
|
{ "Uplink next PDCP-PDU seq number", "gtp.rab_pdu_up",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Uplink next PDCP-PDU sequence number", HFILL}
|
|
},
|
|
{&hf_gtp_rai_rac,
|
|
{ "RAC", "gtp.rac",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Routing Area Code", HFILL}
|
|
},
|
|
{&hf_gtp_rai_lac,
|
|
{ "LAC", "gtp.lac",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Location Area Code", HFILL}
|
|
},
|
|
{ &hf_gtp_tac,
|
|
{"TAC", "gtp.tac",
|
|
FT_UINT16, BASE_DEC, NULL, 0,
|
|
"Tracking Area Code", HFILL}
|
|
},
|
|
{ &hf_gtp_eci,
|
|
{"ECI", "gtp.eci",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0FFFFFFF,
|
|
"E-UTRAN Cell Identifier", HFILL}
|
|
},
|
|
{&hf_gtp_ranap_cause,
|
|
{ "RANAP cause", "gtp.ranap_cause",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ranap_cause_type_ext, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_recovery,
|
|
{ "Recovery", "gtp.recovery",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Restart counter", HFILL}
|
|
},
|
|
{&hf_gtp_reorder,
|
|
{ "Reordering required", "gtp.reorder",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_rnc_ipv4,
|
|
{ "RNC address IPv4", "gtp.rnc_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
"Radio Network Controller address IPv4", HFILL}
|
|
},
|
|
{&hf_gtp_rnc_ipv6,
|
|
{ "RNC address IPv6", "gtp.rnc_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
"Radio Network Controller address IPv6", HFILL}
|
|
},
|
|
{&hf_gtp_rp,
|
|
{ "Radio Priority", "gtp.rp",
|
|
FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_MASK,
|
|
"Radio Priority for uplink tx", HFILL}
|
|
},
|
|
{&hf_gtp_rp_nsapi,
|
|
{ "NSAPI in Radio Priority", "gtp.rp_nsapi",
|
|
FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_NSAPI_MASK,
|
|
"Network layer Service Access Point Identifier in Radio Priority", HFILL}
|
|
},
|
|
{&hf_gtp_rp_sms,
|
|
{ "Radio Priority SMS", "gtp.rp_sms",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"Radio Priority for MO SMS", HFILL}
|
|
},
|
|
{&hf_gtp_rp_spare,
|
|
{ "Reserved", "gtp.rp_spare",
|
|
FT_UINT8, BASE_DEC, NULL, GTPv1_EXT_RP_SPARE_MASK,
|
|
"Spare bit", HFILL}
|
|
},
|
|
{&hf_gtp_sel_mode,
|
|
{ "Selection mode", "gtp.sel_mode",
|
|
FT_UINT8, BASE_DEC, VALS(sel_mode_type), 0x03,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_seq_number,
|
|
{ "Sequence number", "gtp.seq_number",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_session,
|
|
{ "Session", "gtp.session",
|
|
FT_UINT32, BASE_DEC, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_gtp_sndcp_number,
|
|
{ "SNDCP N-PDU LLC Number", "gtp.sndcp_number",
|
|
FT_UINT8, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_tear_ind,
|
|
{ "Teardown Indicator", "gtp.tear_ind",
|
|
FT_BOOLEAN, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_teid,
|
|
{ "TEID", "gtp.teid",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Tunnel Endpoint Identifier", HFILL}
|
|
},
|
|
{&hf_gtp_teid_cp,
|
|
{ "TEID Control Plane", "gtp.teid_cp",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Tunnel Endpoint Identifier Control Plane", HFILL}
|
|
},
|
|
{&hf_gtp_ulink_teid_cp,
|
|
{ "Uplink TEID Control Plane", "gtp.ulink_teid_cp",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Uplink Tunnel Endpoint Identifier Control Plane", HFILL}
|
|
},
|
|
{&hf_gtp_teid_data,
|
|
{ "TEID Data I", "gtp.teid_data",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Tunnel Endpoint Identifier Data I", HFILL}
|
|
},
|
|
{&hf_gtp_ulink_teid_data,
|
|
{ "Uplink TEID Data I", "gtp.ulink_teid_data",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"UplinkTunnel Endpoint Identifier Data I", HFILL}
|
|
},
|
|
{&hf_gtp_teid_ii,
|
|
{ "TEID Data II", "gtp.teid_ii",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Tunnel Endpoint Identifier Data II", HFILL}
|
|
},
|
|
{&hf_gtp_tid,
|
|
{ "TID", "gtp.tid",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Tunnel Identifier", HFILL}
|
|
},
|
|
{&hf_gtp_tlli,
|
|
{ "TLLI", "gtp.tlli",
|
|
FT_UINT32, BASE_HEX, NULL, 0,
|
|
"Temporary Logical Link Identity", HFILL}
|
|
},
|
|
{&hf_gtp_tr_comm,
|
|
{ "Packet transfer command", "gtp.tr_comm",
|
|
FT_UINT8, BASE_DEC, VALS(tr_comm_type), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_trace_ref,
|
|
{ "Trace reference", "gtp.trace_ref",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_trace_type,
|
|
{ "Trace type", "gtp.trace_type",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_user_addr_pdp_org,
|
|
{ "PDP type organization", "gtp.user_addr_pdp_org",
|
|
FT_UINT8, BASE_DEC, VALS(pdp_org_type), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_user_addr_pdp_type,
|
|
{ "PDP type number", "gtp.user_addr_pdp_type",
|
|
FT_UINT8, BASE_HEX, VALS(pdp_type), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_user_ipv4,
|
|
{ "End user address IPv4", "gtp.user_ipv4",
|
|
FT_IPv4, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_user_ipv6,
|
|
{ "End user address IPv6", "gtp.user_ipv6",
|
|
FT_IPv6, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_security_mode,
|
|
{ "Security Mode", "gtp.security_mode",
|
|
FT_UINT8, BASE_DEC, VALS(mm_sec_modep), 0xc0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_no_of_vectors,
|
|
{ "No of Vectors", "gtp.no_of_vectors",
|
|
FT_UINT8, BASE_DEC, NULL, 0x38,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cipher_algorithm,
|
|
{ "Cipher Algorithm", "gtp.cipher_algorithm",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_cipher_algorithm), 0x07,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cksn_ksi,
|
|
{ "Ciphering Key Sequence Number (CKSN)/Key Set Identifier (KSI)", "gtp.cksn_ksi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
"CKSN/KSI", HFILL}
|
|
},
|
|
{&hf_gtp_cksn,
|
|
{ "Ciphering Key Sequence Number (CKSN)", "gtp.cksn",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
"CKSN", HFILL}
|
|
},
|
|
{&hf_gtp_ksi,
|
|
{ "Key Set Identifier (KSI)", "gtp.ksi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
"KSI", HFILL}
|
|
},
|
|
{&hf_gtp_ext_length,
|
|
{ "Length", "gtp.ext_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
"IE Length", HFILL}
|
|
},
|
|
{&hf_gtp_utran_field,
|
|
{ "UTRAN Transparent Field", "gtp.utran_field",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_apn_res,
|
|
{ "Restriction Type", "gtp.ext_apn_res",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_rat_type,
|
|
{ "RAT Type", "gtp.ext_rat_type",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_ext_rat_type_vals), 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_geo_loc_type,
|
|
{ "Geographic Location Type", "gtp.ext_geo_loc_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_sac,
|
|
{ "SAC", "gtp.ext_sac",
|
|
FT_UINT16, BASE_HEX_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_imeisv,
|
|
{ "IMEI(SV)", "gtp.ext_imeisv",
|
|
FT_STRING, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_target_rnc_id,
|
|
{ "targetRNC-ID", "gtp.targetRNC_ID",
|
|
FT_UINT16, BASE_HEX, NULL, 0x0fff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_gtp_target_ext_rnc_id,
|
|
{ "Extended RNC-ID", "gtp.target_ext_RNC_ID",
|
|
FT_UINT16, BASE_HEX, NULL, 0,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_gtp_bssgp_cause,
|
|
{ "BSSGP Cause", "gtp.bssgp_cause",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &bssgp_cause_vals_ext, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_bssgp_ra_discriminator,
|
|
{ "Routing Address Discriminator", "gtp.bssgp.rad",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_bssgp_ra_discriminator_vals), 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{&hf_gtp_sapi,
|
|
{ "PS Handover XID SAPI", "gtp.ps_handover_xid_sapi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0F,
|
|
"SAPI", HFILL}
|
|
},
|
|
{&hf_gtp_xid_par_len,
|
|
{ "PS Handover XID parameter length", "gtp.ps_handover_xid_par_len",
|
|
FT_UINT8, BASE_DEC, NULL, 0xFF,
|
|
"XID parameter length", HFILL}
|
|
},
|
|
{&hf_gtp_rep_act_type,
|
|
{ "Action", "gtp.ms_inf_chg_rep_act",
|
|
FT_UINT8, BASE_DEC, VALS(chg_rep_act_type_vals), 0xFF,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_earp_pvi,
|
|
{ "PVI Pre-emption Vulnerability", "gtp.EARP_pre_emption_par_vulnerability",
|
|
FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x01,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_earp_pl,
|
|
{ "PL Priority Level", "gtp.EARP_priority_level",
|
|
FT_UINT8, BASE_DEC, NULL, 0x3C,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_earp_pci,
|
|
{ "PCI Pre-emption Capability", "gtp.EARP_pre_emption_Capability",
|
|
FT_BOOLEAN, 8, TFS(&tfs_disabled_enabled), 0x40,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cdr_app,
|
|
{ "Application Identifier", "gtp.cdr_app",
|
|
FT_UINT8, BASE_DEC, NULL, 0xf0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_cdr_rel,
|
|
{ "Release Identifier", "gtp.cdr_rel",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_cdr_ver,
|
|
{ "Version Identifier", "gtp.cdr_ver",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_cdr_length,
|
|
{ "Length", "gtp.cdr_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_cdr_context,
|
|
{ "Context", "gtp.cdr_context",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_ppc,
|
|
{ "Prohibit Payload Compression", "gtp.cmn_flg.ppc",
|
|
FT_BOOLEAN, 8, NULL, 0x01,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_mbs_srv_type,
|
|
{ "MBMS Service Type", "gtp.cmn_flg.mbs_srv_type",
|
|
FT_BOOLEAN, 8, NULL, 0x02,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_mbs_ran_pcd_rdy,
|
|
{ "RAN Procedures Ready", "gtp.cmn_flg.mbs_ran_pcd_rdy",
|
|
FT_BOOLEAN, 8, NULL, 0x04,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_mbs_cnt_inf,
|
|
{ "MBMS Counting Information", "gtp.cmn_flg.mbs_cnt_inf",
|
|
FT_BOOLEAN, 8, NULL, 0x08,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_no_qos_neg,
|
|
{ "No QoS negotiation", "gtp.cmn_flg.no_qos_neg",
|
|
FT_BOOLEAN, 8, NULL, 0x10,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_nrsn,
|
|
{ "NRSN bit field", "gtp.cmn_flg.nrsn",
|
|
FT_BOOLEAN, 8, NULL, 0x20,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_upgrd_qos_sup,
|
|
{ "Upgrade QoS Supported", "gtp.cmn_flg.upgrd_qos_sup",
|
|
FT_BOOLEAN, 8, NULL, 0x40,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_cmn_flg_dual_addr_bearer_flg,
|
|
{ "Dual Address Bearer Flag", "gtp.cmn_flg.dual_addr_bearer_flg",
|
|
FT_BOOLEAN, 8, NULL, 0x80,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_tmgi,
|
|
{ "Temporary Mobile Group Identity (TMGI)", "gtp.tmgi",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_no_of_mbms_sa_codes,
|
|
{ "Number of MBMS service area codes", "gtp.no_of_mbms_sa_codes",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"Number N of MBMS service area codes", HFILL}
|
|
},
|
|
|
|
{&hf_gtp_mbms_ses_dur_days,
|
|
{ "Estimated session duration days", "gtp.mbms_ses_dur_days",
|
|
FT_UINT24, BASE_DEC, NULL, 0x00007F,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_mbms_ses_dur_s,
|
|
{ "Estimated session duration seconds", "gtp.mbms_ses_dur_s",
|
|
FT_UINT24, BASE_DEC, NULL, 0xFFFF80,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_mbms_sa_code,
|
|
{ "MBMS service area code", "gtp.mbms_sa_code",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_mbs_2g_3g_ind,
|
|
{ "MBMS 2G/3G Indicator", "gtp.mbs_2g_3g_ind",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_mbs_2g_3g_ind_vals), 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_time_2_dta_tr,
|
|
{ "Time to MBMS Data Transfer", "gtp.time_2_dta_tr",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_ei,
|
|
{ "Error Indication (EI)", "gtp.ei",
|
|
FT_UINT8, BASE_DEC, NULL, 0x04,
|
|
NULL, HFILL}
|
|
},
|
|
{&hf_gtp_ext_gcsi,
|
|
{ "GPRS-CSI (GCSI)", "gtp.gcsi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x02,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_dti,
|
|
{ "Direct Tunnel Indicator (DTI)", "gtp.dti",
|
|
FT_UINT8, BASE_DEC, NULL, 0x01,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ra_prio_lcs,
|
|
{ "Radio Priority LCS", "gtp.raplcs",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_bcm,
|
|
{ "Bearer Control Mode", "gtp.bcm",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_pdp_bcm_type_vals), 0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_fqdn,
|
|
{ "FQDN", "gtp.fqdn",
|
|
FT_STRING, BASE_NONE, NULL, 0,
|
|
"Fully Qualified Domain Name", HFILL}
|
|
},
|
|
{ &hf_gtp_rim_routing_addr,
|
|
{ "RIM Routing Address value", "gtp.rim_routing_addr_val",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_mbms_flow_id,
|
|
{ "MBMS Flow Identifier", "gtp.mbms_flow_id",
|
|
FT_BYTES, BASE_NONE, NULL, 0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_mbms_dist_indic,
|
|
{ "Distribution Indication", "gtp.mbms_dist_indic",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_mbms_dist_indic_vals), 0x03,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_apn_ambr_ul,
|
|
{ "APN-AMBR for Uplink", "gtp.apn_ambr_ul",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_apn_ambr_dl,
|
|
{ "APN-AMBR for Downlink", "gtp.apn_ambr_dl",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_sub_ue_ambr_ul,
|
|
{ "Subscribed UE-AMBR for Uplink", "gtp.sub_ue_ambr_ul",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_sub_ue_ambr_dl,
|
|
{ "Subscribed UE-AMBR for Downlink", "gtp.sub_ue_ambr_dl",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_auth_ue_ambr_ul,
|
|
{ "Authorized UE-AMBR for Uplink", "gtp.auth_ue_ambr_ul",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_auth_ue_ambr_dl,
|
|
{ "Authorized UE-AMBR for Downlink", "gtp.auth_ue_ambr_dl",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_auth_apn_ambr_ul,
|
|
{ "Authorized APN-AMBR for Uplink", "gtp.auth_apn_ambr_ul",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_auth_apn_ambr_dl,
|
|
{ "Authorized APN-AMBR for Downlink", "gtp.auth_apn_ambr_dl",
|
|
FT_INT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_ggsn_back_off_time_units,
|
|
{ "Timer unit", "gtp.ggsn_back_off_time_units",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_ggsn_back_off_time_units_vals), 0xe0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_ext_ggsn_back_off_timer,
|
|
{ "Timer value", "gtp.ggsn_back_off_timer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_higher_br_16mb_flg,
|
|
{ "Higher bitrates than 16 Mbps flag", "gtp.higher_br_16mb_flg",
|
|
FT_UINT8, BASE_DEC, VALS(gtp_higher_br_16mb_flg_vals), 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_max_mbr_apn_ambr_ul,
|
|
{ "Max MBR/APN-AMBR for uplink", "gtp.max_mbr_apn_ambr_ul",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
{ &hf_gtp_max_mbr_apn_ambr_dl,
|
|
{ "Max MBR/APN-AMBR for downlink", "gtp.max_mbr_apn_ambr_dl",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL}
|
|
},
|
|
|
|
{ &hf_gtp_rand, { "RAND", "gtp.rand", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_sres, { "SRES", "gtp.sres", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_kc, { "Kc", "gtp.kc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_xres_length, { "XRES length", "gtp.xres_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_xres, { "XRES", "gtp.xres", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_quintuplet_ciphering_key, { "Quintuplet Ciphering Key", "gtp.quintuplet_ciphering_key", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_quintuplet_integrity_key, { "Quintuplet Integrity Key", "gtp.quintuplet_integrity_key", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_authentication_length, { "Authentication length", "gtp.authentication_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_auth, { "AUTH", "gtp.auth", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ciphering_key_ck, { "Ciphering key CK", "gtp.ciphering_key_ck", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_integrity_key_ik, { "Integrity key IK", "gtp.integrity_key_ik", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_quintuplets_length, { "Quintuplets length", "gtp.quintuplets_length", FT_UINT16, BASE_DEC_HEX, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ciphering_key_kc, { "Ciphering key Kc", "gtp.ciphering_key_kc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_container_length, { "Container length", "gtp.container_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_extended_end_user_address, { "Extended End User Address", "gtp.extended_end_user_address", FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x80, NULL, HFILL }},
|
|
{ &hf_gtp_vplmn_address_allowed, { "VPLMN address allowed", "gtp.vplmn_address_allowed", FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x40, NULL, HFILL }},
|
|
{ &hf_gtp_activity_status_indicator, { "Activity Status Indicator", "gtp.activity_status_indicator", FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x20, NULL, HFILL }},
|
|
{ &hf_gtp_reordering_required, { "Reordering required", "gtp.reordering_required", FT_BOOLEAN, 8, TFS(&tfs_yes_no), 0x10, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_cntxt_sapi, { "SAPI", "gtp.pdp_cntxt.sapi", FT_UINT8, BASE_DEC, NULL, 0x0F, NULL, HFILL }},
|
|
{ &hf_gtp_sequence_number_down, { "Sequence number down", "gtp.sequence_number_down", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_sequence_number_up, { "Sequence number up", "gtp.sequence_number_up", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_send_n_pdu_number, { "Send N-PDU number", "gtp.send_n_pdu_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_receive_n_pdu_number, { "Receive N-PDU number", "gtp.receive_n_pdu_number", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_uplink_flow_label_signalling, { "Uplink flow label signalling", "gtp.uplink_flow_label_signalling", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_context_identifier, { "PDP context identifier", "gtp.pdp_context_identifier", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_organization, { "PDP organization", "gtp.pdp_organization", FT_UINT8, BASE_DEC, VALS(pdp_type), 0x0F, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_type, { "PDP type", "gtp.pdp_type", FT_UINT8, BASE_DEC, VALS(pdp_type), 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_address_length, { "PDP address length", "gtp.pdp_address_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_address_ipv4, { "PDP address", "gtp.pdp_address.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_pdp_address_ipv6, { "PDP address", "gtp.pdp_address.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_address_length, { "GGSN address length", "gtp.ggsn_address_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_address_for_control_plane, { "GGSN Address for control plane", "gtp.ggsn_address_for_control_plane", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_address_for_user_traffic, { "GGSN Address for User Traffic", "gtp.ggsn_address_for_user_traffic", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_2_address_length, { "GGSN 2 address length", "gtp.ggsn_2_address_length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_2_address_ipv4, { "GGSN 2 address", "gtp.ggsn_2_address.ipv4", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ggsn_2_address_ipv6, { "GGSN 2 address", "gtp.ggsn_2_address.ipv6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_apn_length, { "APN length", "gtp.apn_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_transaction_identifier, { "Transaction identifier", "gtp.transaction_identifier", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_gsn_address_length, { "GSN address length", "gtp.gsn_address_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_gsn_address_information_element_length, { "GSN address Information Element length", "gtp.gsn_address_information_element_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_tft_length, { "TFT length", "gtp.tft_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_rab_setup_length, { "RAB setup length", "gtp.rab_setup_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_timezone, { "Timezone", "gtp.timezone", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_timezone_dst, { "DST", "gtp.timezone_dst", FT_UINT8, BASE_DEC, VALS(daylight_saving_time_vals), 0x03, NULL, HFILL }},
|
|
{ &hf_gtp_rfsp_index, { "RFSP Index", "gtp.rfsp_index", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_fqdn_length, { "FQDN length", "gtp.fqdn_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_number_of_data_records, { "Number of data records", "gtp.number_of_data_records", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_data_record_format, { "Data record format", "gtp.data_record_format", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_node_address_length, { "Node address length", "gtp.node_address_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_seq_num_released, { "Sequence number released", "gtp.seq_num_released", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_seq_num_canceled, { "Sequence number cancelled", "gtp.seq_num_canceled", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_requests_responded, { "Requests responded", "gtp.requests_responded", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_hyphen_separator, { "Hyphen separator: -", "gtp.hyphen_separator", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ms_network_cap_content_len, { "Length of MS network capability contents", "gtp.ms_network_cap_content_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_iei, { "IEI", "gtp.iei", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_iei_mobile_id_len, { "Length", "gtp.iei.mobile_id_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_qos_umts_length, { "Length", "gtp.qos_umts_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_num_ext_hdr_types, { "Number of Extension Header Types in list (i.e., length)", "gtp.num_ext_hdr_types", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_ext_hdr_type, { "Extension Header Type", "gtp.ext_hdr_type", FT_UINT8, BASE_DEC, VALS(next_extension_header_fieldvals), 0x0, NULL, HFILL }},
|
|
{ &hf_gtp_tpdu_data, { "T-PDU Data", "gtp.tpdu_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_gtp_ext_enb_type, { "enb_type", "gtp.enb_type", FT_UINT8, BASE_DEC, VALS(gtp_enb_type_vals), 0x0, NULL, HFILL } },
|
|
{ &hf_gtp_macro_enodeb_id,
|
|
{ "Macro eNodeB ID", "gtp.macro_enodeb_id",
|
|
FT_UINT24, BASE_HEX, NULL, 0x0fffff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_gtp_home_enodeb_id,
|
|
{ "Home eNodeB ID", "gtp.home_enodeb_id",
|
|
FT_UINT32, BASE_HEX, NULL, 0x0fffffff,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_gtp_dummy_octets,
|
|
{ "Dummy octets", "gtp.dummy_octets",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
|
|
};
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_gtp_ext_length_mal, { "gtp.ext_length.invalid", PI_MALFORMED, PI_ERROR, "Malformed length", EXPFILL }},
|
|
{ &ei_gtp_ext_hdr_pdcpsn, { "gtp.ext_hdr.pdcp_sn.non_zero", PI_PROTOCOL, PI_NOTE, "3GPP TS 29.281 v9.0.0: When used between two eNBs at the X2 interface in E-UTRAN, bits 5-8 of octet 2 are spare. The meaning of the spare bits shall be set to zero.", EXPFILL }},
|
|
{ &ei_gtp_ext_length_warn, { "gtp.ext_length.invalid", PI_PROTOCOL, PI_WARN, "Length warning", EXPFILL }},
|
|
{ &ei_gtp_undecoded, { "gtp.undecoded", PI_UNDECODED, PI_WARN, "Data not decoded yet", EXPFILL }},
|
|
{ &ei_gtp_message_not_found, { "gtp.message_not_found", PI_PROTOCOL, PI_WARN, "Message not found", EXPFILL }},
|
|
{ &ei_gtp_field_not_present, { "gtp.field_not_present", PI_PROTOCOL, PI_WARN, "Field not present", EXPFILL }},
|
|
{ &ei_gtp_wrong_next_field, { "gtp.wrong_next_field", PI_PROTOCOL, PI_WARN, "Wrong next field", EXPFILL }},
|
|
{ &ei_gtp_field_not_support_in_version, { "gtp.field_not_support_in_version", PI_PROTOCOL, PI_WARN, "GTP version not supported for field", EXPFILL }},
|
|
{ &ei_gtp_guaranteed_bit_rate_value, { "gtp.guaranteed_bit_rate_value", PI_PROTOCOL, PI_NOTE, "Use the value indicated by the Guaranteed bit rate", EXPFILL }},
|
|
{ &ei_gtp_max_bit_rate_value, { "gtp.max_bit_rate_value", PI_PROTOCOL, PI_NOTE, "Use the value indicated by the Maximum bit rate", EXPFILL }},
|
|
{ &ei_gtp_ext_geo_loc_type, { "gtp.ext_geo_loc_type.unknown", PI_PROTOCOL, PI_WARN, "Unknown Location type data", EXPFILL }},
|
|
{ &ei_gtp_iei, { "gtp.iei.unknown", PI_PROTOCOL, PI_WARN, "Unknown IEI - Later spec than TS 29.060 9.4.0 used?", EXPFILL }},
|
|
{ &ei_gtp_unknown_extention_header, { "gtp.unknown_extention_header", PI_PROTOCOL, PI_WARN, "Unknown extension header", EXPFILL }},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
#define GTP_NUM_INDIVIDUAL_ELEMS 28
|
|
static gint *ett_gtp_array[GTP_NUM_INDIVIDUAL_ELEMS + NUM_GTP_IES];
|
|
|
|
ett_gtp_array[0] = &ett_gtp;
|
|
ett_gtp_array[1] = &ett_gtp_flags;
|
|
ett_gtp_array[2] = &ett_gtp_ext;
|
|
ett_gtp_array[3] = &ett_gtp_cdr_dr;
|
|
ett_gtp_array[4] = &ett_gtp_qos;
|
|
ett_gtp_array[5] = &ett_gtp_qos_arp;
|
|
ett_gtp_array[6] = &ett_gtp_uli_rai;
|
|
ett_gtp_array[7] = &ett_gtp_flow_ii;
|
|
ett_gtp_array[8] = &ett_gtp_ext_hdr;
|
|
ett_gtp_array[9] = &ett_gtp_rp;
|
|
ett_gtp_array[10] = &ett_gtp_pkt_flow_id;
|
|
ett_gtp_array[11] = &ett_gtp_data_resp;
|
|
ett_gtp_array[12] = &ett_gtp_cdr_ver;
|
|
ett_gtp_array[13] = &ett_gtp_tmgi;
|
|
ett_gtp_array[14] = &ett_gtp_trip;
|
|
ett_gtp_array[15] = &ett_gtp_quint;
|
|
ett_gtp_array[16] = &ett_gtp_drx;
|
|
ett_gtp_array[17] = &ett_gtp_net_cap;
|
|
ett_gtp_array[18] = &ett_gtp_can_pack;
|
|
ett_gtp_array[19] = &ett_gtp_proto;
|
|
ett_gtp_array[20] = &ett_gtp_gsn_addr;
|
|
ett_gtp_array[21] = &ett_gtp_tft;
|
|
ett_gtp_array[22] = &ett_gtp_rab_setup;
|
|
ett_gtp_array[23] = &ett_gtp_hdr_list;
|
|
ett_gtp_array[24] = &ett_gtp_rel_pack;
|
|
ett_gtp_array[25] = &ett_gtp_node_addr;
|
|
ett_gtp_array[26] = &ett_gtp_mm_cntxt;
|
|
ett_gtp_array[27] = &ett_gtp_utran_cont;
|
|
|
|
last_offset = GTP_NUM_INDIVIDUAL_ELEMS;
|
|
|
|
for (i=0; i < NUM_GTP_IES; i++, last_offset++)
|
|
{
|
|
ett_gtp_ies[i] = -1;
|
|
ett_gtp_array[last_offset] = &ett_gtp_ies[i];
|
|
}
|
|
|
|
|
|
|
|
proto_gtp = proto_register_protocol("GPRS Tunneling Protocol", "GTP", "gtp");
|
|
/* Created to remove Decode As confusion */
|
|
proto_gtpprime = proto_register_protocol("GPRS Tunneling Protocol Prime", "GTP (Prime)", "gtpprime");
|
|
|
|
proto_register_field_array(proto_gtp, hf_gtp, array_length(hf_gtp));
|
|
proto_register_subtree_array(ett_gtp_array, array_length(ett_gtp_array));
|
|
expert_gtp = expert_register_protocol(proto_gtp);
|
|
expert_register_field_array(expert_gtp, ei, array_length(ei));
|
|
|
|
gtp_module = prefs_register_protocol(proto_gtp, proto_reg_handoff_gtp);
|
|
|
|
prefs_register_uint_preference(gtp_module, "v0_port", "GTPv0 and GTP' port", "GTPv0 and GTP' port (default 3386)", 10, &g_gtpv0_port);
|
|
prefs_register_uint_preference(gtp_module, "v1c_port", "GTPv1 or GTPv2 control plane (GTP-C, GTPv2-C) port", "GTPv1 and GTPv2 control plane port (default 2123)", 10,
|
|
&g_gtpv1c_port);
|
|
prefs_register_uint_preference(gtp_module, "v1u_port", "GTPv1 user plane (GTP-U) port", "GTPv1 user plane port (default 2152)", 10,
|
|
&g_gtpv1u_port);
|
|
prefs_register_enum_preference(gtp_module, "dissect_tpdu_as",
|
|
"Dissect T-PDU as",
|
|
"Dissect T-PDU as",
|
|
&dissect_tpdu_as,
|
|
gtp_decode_tpdu_as,
|
|
FALSE);
|
|
|
|
prefs_register_obsolete_preference(gtp_module, "v0_dissect_cdr_as");
|
|
prefs_register_obsolete_preference(gtp_module, "v0_check_etsi");
|
|
prefs_register_obsolete_preference(gtp_module, "v1_check_etsi");
|
|
prefs_register_bool_preference(gtp_module, "check_etsi", "Compare GTP order with ETSI", "GTP ETSI order", &g_gtp_etsi_order);
|
|
prefs_register_obsolete_preference(gtp_module, "ppp_reorder");
|
|
prefs_register_obsolete_preference(gtp_module, "dissect_tpdu");
|
|
|
|
/* This preference can be used to disable the dissection of GTP over TCP. Most of the Wireless operators uses GTP over UDP.
|
|
* The preference is set to TRUE by default forbackward compatibility
|
|
*/
|
|
prefs_register_bool_preference(gtp_module, "dissect_gtp_over_tcp", "Dissect GTP over TCP", "Dissect GTP over TCP", &g_gtp_over_tcp);
|
|
prefs_register_bool_preference(gtp_module, "track_gtp_session", "Track GTP session", "Track GTP session", &g_gtp_session);
|
|
|
|
register_dissector("gtp", dissect_gtp, proto_gtp);
|
|
register_dissector("gtpprime", dissect_gtpprime, proto_gtpprime);
|
|
|
|
gtp_priv_ext_dissector_table = register_dissector_table("gtp.priv_ext", "GTP PRIVATE EXT", proto_gtp, FT_UINT16, BASE_DEC);
|
|
gtp_cdr_fmt_dissector_table = register_dissector_table("gtp.cdr_fmt", "GTP DATA RECORD TYPE", proto_gtp, FT_UINT16, BASE_DEC);
|
|
|
|
register_init_routine(gtp_init);
|
|
register_cleanup_routine(gtp_cleanup);
|
|
gtp_tap = register_tap("gtp");
|
|
gtpv1_tap = register_tap("gtpv1");
|
|
|
|
register_srt_table(proto_gtp, NULL, 1, gtpstat_packet, gtpstat_init, NULL);
|
|
}
|
|
/* TS 132 295 V9.0.0 (2010-02)
|
|
* 5.1.3 Port usage
|
|
* - The UDP Destination Port may be the server port number 3386 which has been reserved for GTP'.
|
|
* Alternatively another port can be used, which has been configured by O&M, except Port Number 2123
|
|
* which is used by GTPv2-C.
|
|
* :
|
|
* The TCP Destination Port may be the server port number 3386, which has been reserved for G-PDUs. Alternatively,
|
|
* another port may be used as configured by O&M. Extra implementation-specific destination ports are possible but
|
|
* all CGFs shall support the server port number.
|
|
*/
|
|
|
|
void
|
|
proto_reg_handoff_gtp(void)
|
|
{
|
|
static gboolean Initialized = FALSE;
|
|
static dissector_handle_t gtp_handle, gtp_prime_handle;
|
|
static gboolean gtp_over_tcp;
|
|
static guint gtpv0_port;
|
|
static guint gtpv1c_port;
|
|
static guint gtpv1u_port;
|
|
|
|
if (!Initialized) {
|
|
gtp_handle = find_dissector("gtp");
|
|
gtp_prime_handle = find_dissector("gtpprime");
|
|
ppp_subdissector_table = find_dissector_table("ppp.protocol");
|
|
|
|
radius_register_avp_dissector(VENDOR_THE3GPP, 5, dissect_radius_qos_umts);
|
|
radius_register_avp_dissector(VENDOR_THE3GPP, 12, dissect_radius_selection_mode);
|
|
radius_register_avp_dissector(VENDOR_THE3GPP, 22, dissect_radius_user_loc);
|
|
|
|
|
|
|
|
ip_handle = find_dissector_add_dependency("ip", proto_gtp);
|
|
ipv6_handle = find_dissector_add_dependency("ipv6", proto_gtp);
|
|
ppp_handle = find_dissector_add_dependency("ppp", proto_gtp);
|
|
sync_handle = find_dissector_add_dependency("sync", proto_gtp);
|
|
gtpcdr_handle = find_dissector_add_dependency("gtpcdr", proto_gtp);
|
|
sndcpxid_handle = find_dissector_add_dependency("sndcpxid", proto_gtp);
|
|
gtpv2_handle = find_dissector_add_dependency("gtpv2", proto_gtp);
|
|
bssgp_handle = find_dissector_add_dependency("bssgp", proto_gtp);
|
|
bssap_pdu_type_table = find_dissector_table("bssap.pdu_type");
|
|
/* AVP Code: 5 3GPP-GPRS Negotiated QoS profile */
|
|
dissector_add_uint("diameter.3gpp", 5, create_dissector_handle(dissect_diameter_3gpp_qosprofile, proto_gtp));
|
|
/* AVP Code: 903 MBMS-Service-Area */
|
|
dissector_add_uint("diameter.3gpp", 903, create_dissector_handle(dissect_gtp_3gpp_mbms_service_area, proto_gtp));
|
|
/* AVP Code: 904 MBMS-Session-Duration */
|
|
dissector_add_uint("diameter.3gpp", 904, create_dissector_handle(dissect_gtp_mbms_ses_dur, proto_gtp));
|
|
/* AVP Code: 911 MBMS-Time-To-Data-Transfer */
|
|
dissector_add_uint("diameter.3gpp", 911, create_dissector_handle(dissect_gtp_mbms_time_to_data_tr, proto_gtp));
|
|
|
|
Initialized = TRUE;
|
|
} else {
|
|
dissector_delete_uint("udp.port", gtpv0_port, gtp_prime_handle);
|
|
dissector_delete_uint("udp.port", gtpv1c_port, gtp_handle);
|
|
dissector_delete_uint("udp.port", gtpv1u_port, gtp_handle);
|
|
|
|
if (gtp_over_tcp) {
|
|
dissector_delete_uint("tcp.port", gtpv0_port, gtp_prime_handle);
|
|
dissector_delete_uint("tcp.port", gtpv1c_port, gtp_handle);
|
|
dissector_delete_uint("tcp.port", gtpv1u_port, gtp_handle);
|
|
}
|
|
}
|
|
|
|
gtp_over_tcp = g_gtp_over_tcp;
|
|
gtpv0_port = g_gtpv0_port;
|
|
gtpv1c_port = g_gtpv1c_port;
|
|
gtpv1u_port = g_gtpv1u_port;
|
|
|
|
/* This doesn't use the "auto preference" API because the port
|
|
description is too specific */
|
|
dissector_add_uint("udp.port", g_gtpv0_port, gtp_prime_handle);
|
|
dissector_add_uint("udp.port", g_gtpv1c_port, gtp_handle);
|
|
dissector_add_uint("udp.port", g_gtpv1u_port, gtp_handle);
|
|
|
|
if (g_gtp_over_tcp) {
|
|
/* This doesn't use the "auto preference" API because the port
|
|
description is too specific */
|
|
dissector_add_uint("tcp.port", g_gtpv0_port, gtp_prime_handle);
|
|
dissector_add_uint("tcp.port", g_gtpv1c_port, gtp_handle);
|
|
dissector_add_uint("tcp.port", g_gtpv1u_port, gtp_handle);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|