forked from osmocom/wireshark
5915 lines
147 KiB
C
5915 lines
147 KiB
C
/* packet-gsm_a_dtap.c
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* Routines for GSM A Interface DTAP dissection - A.K.A. GSM layer 3
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* NOTE: it actually includes RR messages, which are (generally) not carried
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* over the A interface on DTAP, but are part of the same Layer 3 protocol set
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*
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* Copyright 2003, Michael Lum <mlum [AT] telostech.com>
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* In association with Telos Technology Inc.
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*
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*
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* Added the GPRS Mobility Managment Protocol and
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* the GPRS Session Managment Protocol
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* Copyright 2004, Rene Pilz <rene.pilz [AT] ftw.com>
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* In association with Telecommunications Research Center
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* Vienna (ftw.)Betriebs-GmbH within the Project Metawin.
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*
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* Added Dissection of Radio Resource Management Information Elements
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* and othere enhancements and fixes.
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* Copyright 2005 - 2006, Anders Broman [AT] ericsson.com
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* Small bugfixes, mainly in Qos and TFT by Nils Ljungberg and Stefan Boman [AT] ericsson.com
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*
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* Title 3GPP Other
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*
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* Reference [3]
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* Mobile radio interface Layer 3 specification;
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* Core network protocols;
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* Stage 3
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* (3GPP TS 24.008 version 4.7.0 Release 4)
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* (ETSI TS 124 008 V6.8.0 (2005-03))
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*
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* Reference [4]
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* Mobile radio interface layer 3 specification;
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* Radio Resource Control Protocol
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* (GSM 04.18 version 8.4.1 Release 1999)
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* (3GPP TS 04.18 version 8.26.0 Release 1999)
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*
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* Reference [5]
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* Point-to-Point (PP) Short Message Service (SMS)
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* support on mobile radio interface
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* (3GPP TS 24.011 version 4.1.1 Release 4)
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*
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* Reference [6]
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* Mobile radio Layer 3 supplementary service specification;
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* Formats and coding
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* (3GPP TS 24.080 version 4.3.0 Release 4)
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*
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* Reference [7]
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* Mobile radio interface Layer 3 specification;
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* Core network protocols;
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* Stage 3
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* (3GPP TS 24.008 version 5.9.0 Release 5)
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*
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* Reference [8]
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* Mobile radio interface Layer 3 specification;
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* Core network protocols;
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* Stage 3
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* (3GPP TS 24.008 version 6.7.0 Release 6)
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* (3GPP TS 24.008 version 6.8.0 Release 6)
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include <epan/tap.h>
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#include <epan/emem.h>
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#include <epan/asn1.h>
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#include "packet-bssap.h"
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#include "packet-sccp.h"
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#include "packet-ber.h"
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#include "packet-q931.h"
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#include "packet-gsm_a_common.h"
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#include "packet-ipv6.h"
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#include "packet-e212.h"
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#include "packet-ppp.h"
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/* PROTOTYPES/FORWARDS */
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const value_string gsm_a_dtap_msg_mm_strings[] = {
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{ 0x01, "IMSI Detach Indication" },
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{ 0x02, "Location Updating Accept" },
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{ 0x04, "Location Updating Reject" },
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{ 0x08, "Location Updating Request" },
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{ 0x11, "Authentication Reject" },
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{ 0x12, "Authentication Request" },
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{ 0x14, "Authentication Response" },
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{ 0x1c, "Authentication Failure" },
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{ 0x18, "Identity Request" },
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{ 0x19, "Identity Response" },
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{ 0x1a, "TMSI Reallocation Command" },
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{ 0x1b, "TMSI Reallocation Complete" },
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{ 0x21, "CM Service Accept" },
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{ 0x22, "CM Service Reject" },
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{ 0x23, "CM Service Abort" },
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{ 0x24, "CM Service Request" },
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{ 0x25, "CM Service Prompt" },
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{ 0x26, "Reserved: was allocated in earlier phases of the protocol" },
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{ 0x28, "CM Re-establishment Request" },
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{ 0x29, "Abort" },
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{ 0x30, "MM Null" },
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{ 0x31, "MM Status" },
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{ 0x32, "MM Information" },
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{ 0, NULL }
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};
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const value_string gsm_a_dtap_msg_cc_strings[] = {
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{ 0x01, "Alerting" },
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{ 0x08, "Call Confirmed" },
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{ 0x02, "Call Proceeding" },
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{ 0x07, "Connect" },
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{ 0x0f, "Connect Acknowledge" },
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{ 0x0e, "Emergency Setup" },
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{ 0x03, "Progress" },
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{ 0x04, "CC-Establishment" },
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{ 0x06, "CC-Establishment Confirmed" },
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{ 0x0b, "Recall" },
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{ 0x09, "Start CC" },
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{ 0x05, "Setup" },
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{ 0x17, "Modify" },
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{ 0x1f, "Modify Complete" },
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{ 0x13, "Modify Reject" },
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{ 0x10, "User Information" },
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{ 0x18, "Hold" },
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{ 0x19, "Hold Acknowledge" },
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{ 0x1a, "Hold Reject" },
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{ 0x1c, "Retrieve" },
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{ 0x1d, "Retrieve Acknowledge" },
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{ 0x1e, "Retrieve Reject" },
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{ 0x25, "Disconnect" },
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{ 0x2d, "Release" },
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{ 0x2a, "Release Complete" },
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{ 0x39, "Congestion Control" },
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{ 0x3e, "Notify" },
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{ 0x3d, "Status" },
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{ 0x34, "Status Enquiry" },
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{ 0x35, "Start DTMF" },
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{ 0x31, "Stop DTMF" },
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{ 0x32, "Stop DTMF Acknowledge" },
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{ 0x36, "Start DTMF Acknowledge" },
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{ 0x37, "Start DTMF Reject" },
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{ 0x3a, "Facility" },
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{ 0, NULL }
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};
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const value_string gsm_a_dtap_msg_sms_strings[] = {
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{ 0x01, "CP-DATA" },
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{ 0x04, "CP-ACK" },
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{ 0x10, "CP-ERROR" },
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{ 0, NULL }
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};
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const value_string gsm_a_dtap_msg_ss_strings[] = {
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{ 0x2a, "Release Complete" },
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{ 0x3a, "Facility" },
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{ 0x3b, "Register" },
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{ 0, NULL }
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};
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const value_string gsm_a_dtap_msg_tp_strings[] = {
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{ 0x00, "Close TCH Loop Cmd" },
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{ 0x01, "Close TCH Loop Ack" },
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{ 0x06, "Open Loop Cmd" },
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{ 0x0c, "Act EMMI Cmd" },
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{ 0x0d, "Act EMMI Ack" },
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{ 0x10, "Deact EMMI" },
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{ 0x14, "Test Interface" },
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{ 0x20, "Close Multi-slot Loop Cmd" },
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{ 0x21, "Close Multi-slot Loop Ack" },
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{ 0x22, "Open Multi-slot Loop Cmd" },
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{ 0x23, "Open Multi-slot Loop Ack" },
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{ 0x24, "GPRS Test Mode Cmd" },
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{ 0x25, "EGPRS Start Radio Block Loopback Cmd" },
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{ 0x40, "Close UE Test Loop" },
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{ 0x41, "Close UE Test Loop Complete" },
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{ 0x42, "Open UE Test Loop" },
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{ 0x43, "Open UE Test Loop Complete" },
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{ 0x44, "Activate RB Test Mode" },
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{ 0x45, "Activate RB Test Mode Complete" },
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{ 0x46, "Deactivate RB Test Mode" },
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{ 0x47, "Deactivate RB Test Mode Complete" },
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{ 0x48, "Reset UE Positioning Stored Information" },
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{ 0x49, "UE Test Loop Mode 3 RLC SDU Counter Request" },
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{ 0x4A, "UE Test Loop Mode 3 RLC SDU Counter Response" },
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{ 0, NULL }
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};
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const value_string gsm_dtap_elem_strings[] = {
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/* Mobility Management Information Elements 10.5.3 */
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{ 0x00, "Authentication Parameter RAND" },
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{ 0x00, "Authentication Parameter AUTN (UMTS authentication challenge only)" },
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{ 0x00, "Authentication Response Parameter" },
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{ 0x00, "Authentication Response Parameter (extension) (UMTS authentication challenge only)" },
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{ 0x00, "Authentication Failure Parameter (UMTS authentication challenge only)" },
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{ 0x00, "CM Service Type" },
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{ 0x00, "Identity Type" },
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{ 0x00, "Location Updating Type" },
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{ 0x00, "Network Name" },
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{ 0x00, "Reject Cause" },
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{ 0x00, "Follow-on Proceed" },
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{ 0x00, "Time Zone" },
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{ 0x00, "Time Zone and Time" },
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{ 0x00, "CTS Permission" },
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{ 0x00, "LSA Identifier" },
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{ 0x00, "Daylight Saving Time" },
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{ 0x00, "Emergency Number List" },
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/* Call Control Information Elements 10.5.4 */
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{ 0x00, "Auxiliary States" }, /* 10.5.4.4 Auxiliary states */
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{ 0x00, "Bearer Capability" }, /* 10.5.4.4a Backup bearer capability */
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{ 0x00, "Call Control Capabilities" },
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{ 0x00, "Call State" },
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{ 0x00, "Called Party BCD Number" },
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{ 0x00, "Called Party Subaddress" },
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{ 0x00, "Calling Party BCD Number" },
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{ 0x00, "Calling Party Subaddress" },
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{ 0x00, "Cause" },
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{ 0x00, "CLIR Suppression" },
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{ 0x00, "CLIR Invocation" },
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{ 0x00, "Congestion Level" },
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{ 0x00, "Connected Number" },
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{ 0x00, "Connected Subaddress" },
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{ 0x00, "Facility" },
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{ 0x00, "High Layer Compatibility" },
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{ 0x00, "Keypad Facility" },
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{ 0x00, "Low Layer Compatibility" },
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{ 0x00, "More Data" },
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{ 0x00, "Notification Indicator" },
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{ 0x00, "Progress Indicator" },
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{ 0x00, "Recall type $(CCBS)$" },
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{ 0x00, "Redirecting Party BCD Number" },
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{ 0x00, "Redirecting Party Subaddress" },
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{ 0x00, "Repeat Indicator" },
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{ 0x00, "Reverse Call Setup Direction" },
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{ 0x00, "SETUP Container $(CCBS)$" },
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{ 0x00, "Signal" },
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{ 0x00, "SS Version Indicator" },
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{ 0x00, "User-user" },
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{ 0x00, "Alerting Pattern $(NIA)$" }, /* 10.5.4.26 Alerting Pattern $(NIA)$ */
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{ 0x00, "Allowed Actions $(CCBS)$" },
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{ 0x00, "Stream Identifier" },
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{ 0x00, "Network Call Control Capabilities" },
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{ 0x00, "Cause of No CLI" },
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{ 0x00, "Immediate Modification Indicator" }, /* 10.5.4.30 Cause of No CLI */
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/* 10.5.4.31 Void */
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{ 0x00, "Supported Codec List" }, /* 10.5.4.32 Supported codec list */
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{ 0x00, "Service Category" }, /* 10.5.4.33 Service category */
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{ 0x00, "Redial" }, /* 10.5.4.34 Redial */
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/* 10.5.4.35 Network-initiated Service Upgrade indicator */
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/* Short Message Service Information Elements [5] 8.1.4 */
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{ 0x00, "CP-User Data" },
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{ 0x00, "CP-Cause" },
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/* Short Message Service Information Elements [5] 8.2 */
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{ 0x00, "RP-Message Reference" },
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{ 0x00, "RP-Origination Address" },
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{ 0x00, "RP-Destination Address" },
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{ 0x00, "RP-User Data" },
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{ 0x00, "RP-Cause" },
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/* Tests procedures information elements 3GPP TS 44.014 6.4.0 and 3GPP TS 34.109 6.4.0 */
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{ 0x00, "Close TCH Loop Cmd Sub-channel"},
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{ 0x00, "Open Loop Cmd Ack"},
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{ 0x00, "Close Multi-slot Loop Cmd Loop type"},
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{ 0x00, "Close Multi-slot Loop Ack Result"},
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{ 0x00, "Test Interface Tested device"},
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{ 0x00, "GPRS Test Mode Cmd PDU description"},
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{ 0x00, "GPRS Test Mode Cmd Mode flag"},
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{ 0x00, "EGPRS Start Radio Block Loopback Cmd Mode flag"},
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{ 0x00, "Close UE Test Loop Mode"},
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{ 0x00, "UE Positioning Technology"},
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{ 0x00, "RLC SDU Counter Value"},
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{ 0, NULL }
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};
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const gchar *gsm_a_pd_str[] = {
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"Group Call Control",
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"Broadcast Call Control",
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"Reserved: was allocated in earlier phases of the protocol",
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"Call Control; call related SS messages",
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"GPRS Transparent Transport Protocol (GTTP)",
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"Mobility Management messages",
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"Radio Resources Management messages",
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"Unknown",
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"GPRS Mobility Management messages",
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"SMS messages",
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"GPRS Session Management messages",
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"Non call related SS messages",
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"Location Services",
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"Unknown",
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"Reserved for extension of the PD to one octet length",
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"Special conformance testing functions"
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};
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/* L3 Protocol discriminator values according to TS 24 007 (6.4.0) */
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const value_string protocol_discriminator_vals[] = {
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{0x0, "Group call control"},
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{0x1, "Broadcast call control"},
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{0x2, "Reserved: was allocated in earlier phases of the protocol"},
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{0x3, "Call Control; call related SS messages"},
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{0x4, "GPRS Transparent Transport Protocol (GTTP)"},
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{0x5, "Mobility Management messages"},
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{0x6, "Radio Resources Management messages"},
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{0x7, "Unknown"},
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{0x8, "GPRS mobility management messages"},
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{0x9, "SMS messages"},
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{0xa, "GPRS session management messages"},
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{0xb, "Non call related SS messages"},
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{0xc, "Location services specified in 3GPP TS 44.071 [8a]"},
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{0xd, "Unknown"},
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{0xe, "Reserved for extension of the PD to one octet length "},
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{0xf, "Special conformance testing functions"},
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{ 0, NULL }
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};
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const value_string gsm_a_pd_short_str_vals[] = {
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{0x0, "GCC"}, /* Group Call Control */
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{0x1, "BCC"}, /* Broadcast Call Control */
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{0x2, "Reserved"}, /* : was allocated in earlier phases of the protocol */
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{0x3, "CC"}, /* Call Control; call related SS messages */
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{0x4, "GTTP"}, /* GPRS Transparent Transport Protocol (GTTP) */
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{0x5, "MM"}, /* Mobility Management messages */
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{0x6, "RR"}, /* Radio Resources Management messages */
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{0x7, "Unknown"},
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{0x8, "GMM"}, /* GPRS Mobility Management messages */
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{0x9, "SMS"},
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{0xa, "SM"}, /* GPRS Session Management messages */
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{0xb, "SS"},
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{0xc, "LS"}, /* Location Services */
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{0xd, "Unknown"},
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{0xe, "Reserved"}, /* for extension of the PD to one octet length */
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{0xf, "TP"}, /* for tests procedures described in 3GPP TS 44.014 6.4.0 and 3GPP TS 34.109 6.4.0.*/
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{ 0, NULL }
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};
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#define DTAP_PD_MASK 0x0f
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#define DTAP_SKIP_MASK 0xf0
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#define DTAP_TI_MASK DTAP_SKIP_MASK
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#define DTAP_TIE_PRES_MASK 0x07 /* after TI shifted to right */
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#define DTAP_TIE_MASK 0x7f
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#define DTAP_MM_IEI_MASK 0x3f
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#define DTAP_CC_IEI_MASK 0x3f
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#define DTAP_SMS_IEI_MASK 0xff
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#define DTAP_SS_IEI_MASK 0x3f
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#define DTAP_TP_IEI_MASK 0xff
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/* Initialize the protocol and registered fields */
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static int proto_a_dtap = -1;
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static int hf_gsm_a_dtap_msg_mm_type = -1;
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static int hf_gsm_a_dtap_msg_cc_type = -1;
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static int hf_gsm_a_seq_no = -1;
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static int hf_gsm_a_dtap_msg_sms_type = -1;
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static int hf_gsm_a_dtap_msg_ss_type = -1;
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static int hf_gsm_a_dtap_msg_tp_type = -1;
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int hf_gsm_a_dtap_elem_id = -1;
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static int hf_gsm_a_cld_party_bcd_num = -1;
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static int hf_gsm_a_clg_party_bcd_num = -1;
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static int hf_gsm_a_dtap_cause = -1;
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int hf_gsm_a_extension = -1;
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static int hf_gsm_a_type_of_number = -1;
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static int hf_gsm_a_numbering_plan_id = -1;
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static int hf_gsm_a_lsa_id = -1;
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/* Initialize the subtree pointers */
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static gint ett_dtap_msg = -1;
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static gint ett_dtap_oct_1 = -1;
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static gint ett_cm_srvc_type = -1;
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static gint ett_gsm_enc_info = -1;
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static gint ett_bc_oct_3 = -1;
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static gint ett_bc_oct_3a = -1;
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static gint ett_bc_oct_4 = -1;
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static gint ett_bc_oct_5 = -1;
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static gint ett_bc_oct_5a = -1;
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static gint ett_bc_oct_5b = -1;
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static gint ett_bc_oct_6 = -1;
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static gint ett_bc_oct_6a = -1;
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static gint ett_bc_oct_6b = -1;
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static gint ett_bc_oct_6c = -1;
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static gint ett_bc_oct_6d = -1;
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static gint ett_bc_oct_6e = -1;
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static gint ett_bc_oct_6f = -1;
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static gint ett_bc_oct_6g = -1;
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static gint ett_bc_oct_7 = -1;
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static char a_bigbuf[1024];
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static dissector_handle_t data_handle;
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static dissector_handle_t gsm_map_handle;
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static dissector_handle_t rp_handle;
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packet_info *gsm_a_dtap_pinfo;
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static proto_tree *g_tree;
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/*
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* this should be set on a per message basis, if possible
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*/
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static gint is_uplink;
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#define NUM_GSM_DTAP_ELEM (sizeof(gsm_dtap_elem_strings)/sizeof(value_string))
|
|
gint ett_gsm_dtap_elem[NUM_GSM_DTAP_ELEM];
|
|
|
|
static dgt_set_t Dgt_mbcd = {
|
|
{
|
|
/* 0 1 2 3 4 5 6 7 8 9 a b c d e */
|
|
'0','1','2','3','4','5','6','7','8','9','*','#','a','b','c'
|
|
}
|
|
};
|
|
|
|
/*
|
|
* [3] 10.5.3.1 Authentication parameter RAND
|
|
*/
|
|
static guint8
|
|
de_auth_param_rand(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
len = len;
|
|
curr_offset = offset;
|
|
|
|
/*
|
|
* 16 octets == 128 bits
|
|
*/
|
|
#define AUTH_PARAM_RAND_LEN 16
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, AUTH_PARAM_RAND_LEN,
|
|
"RAND value: %s",
|
|
tvb_bytes_to_str(tvb, curr_offset, AUTH_PARAM_RAND_LEN));
|
|
|
|
curr_offset += AUTH_PARAM_RAND_LEN;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.1.1 Authentication Parameter AUTN (UMTS authentication challenge only)
|
|
*/
|
|
static guint8
|
|
de_auth_param_autn(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len,
|
|
"AUTN value: %s",
|
|
tvb_bytes_to_str(tvb, curr_offset, len));
|
|
|
|
curr_offset += len;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.2 Authentication Response parameter
|
|
*/
|
|
static guint8
|
|
de_auth_resp_param(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
len = len;
|
|
curr_offset = offset;
|
|
|
|
/*
|
|
* 4 octets == 32 bits
|
|
*/
|
|
#define AUTH_PARAM_SRES_LEN 4
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, AUTH_PARAM_SRES_LEN,
|
|
"SRES value: %s",
|
|
tvb_bytes_to_str(tvb, curr_offset, AUTH_PARAM_SRES_LEN));
|
|
|
|
curr_offset += AUTH_PARAM_SRES_LEN;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.2.1 Authentication Response Parameter (extension) (UMTS authentication challenge only)
|
|
*/
|
|
static guint8
|
|
de_auth_resp_param_ext(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len,
|
|
"XRES value: %s",
|
|
tvb_bytes_to_str(tvb, curr_offset, len));
|
|
|
|
curr_offset += len;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.2.2 Authentication Failure parameter (UMTS authentication challenge only)
|
|
*/
|
|
static guint8
|
|
de_auth_fail_param(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len,
|
|
"AUTS value: %s",
|
|
tvb_bytes_to_str(tvb, curr_offset, len));
|
|
|
|
curr_offset += len;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* 10.5.3.3 CM service type
|
|
* handled inline
|
|
*/
|
|
/*
|
|
* 10.5.3.4 Identity type
|
|
* handled inline
|
|
*/
|
|
/*
|
|
* 10.5.3.5 Location updating type
|
|
* handled inline
|
|
*/
|
|
/*
|
|
* [3] 10.5.3.5a Network Name
|
|
*/
|
|
static guint8
|
|
de_network_name(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0x00: str = "Cell Broadcast data coding scheme, GSM default alphabet, language unspecified, defined in 3GPP TS 03.38"; break;
|
|
case 0x01: str = "UCS2 (16 bit)"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding Scheme: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Add CI: The MS should %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ?
|
|
"add the letters for the Country's Initials and a separator (e.g. a space) to the text string" :
|
|
"The MS should not add the letters for the Country's Initials to the text string");
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 1: str = "bit 8 is spare and set to '0' in octet n"; break;
|
|
case 2: str = "bits 7 and 8 are spare and set to '0' in octet n"; break;
|
|
case 3: str = "bits 6 to 8(inclusive) are spare and set to '0' in octet n"; break;
|
|
case 4: str = "bits 5 to 8(inclusive) are spare and set to '0' in octet n"; break;
|
|
case 5: str = "bits 4 to 8(inclusive) are spare and set to '0' in octet n"; break;
|
|
case 6: str = "bits 3 to 8(inclusive) are spare and set to '0' in octet n"; break;
|
|
case 7: str = "bits 2 to 8(inclusive) are spare and set to '0' in octet n"; break;
|
|
default:
|
|
str = "this field carries no information about the number of spare bits in octet n";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Number of spare bits in last octet: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len - 1,
|
|
"Text string encoded according to Coding Scheme");
|
|
|
|
curr_offset += len - 1;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/* 3GPP TS 24.008
|
|
* [3] 10.5.3.6 Reject cause
|
|
*/
|
|
guint8
|
|
de_rej_cause(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct)
|
|
{
|
|
case 0x02: str = "IMSI unknown in HLR"; break;
|
|
case 0x03: str = "Illegal MS"; break;
|
|
case 0x04: str = "IMSI unknown in VLR"; break;
|
|
case 0x05: str = "IMEI not accepted"; break;
|
|
case 0x06: str = "Illegal ME"; break;
|
|
case 0x0b: str = "PLMN not allowed"; break;
|
|
case 0x0c: str = "Location Area not allowed"; break;
|
|
case 0x0d: str = "Roaming not allowed in this location area"; break;
|
|
case 0x0f: str = "No Suitable Cells In Location Area"; break;
|
|
case 0x11: str = "Network failure"; break;
|
|
case 0x14: str = "MAC failure"; break;
|
|
case 0x15: str = "Synch failure"; break;
|
|
case 0x16: str = "Congestion"; break;
|
|
case 0x17: str = "GSM authentication unacceptable"; break;
|
|
case 0x20: str = "Service option not supported"; break;
|
|
case 0x21: str = "Requested service option not subscribed"; break;
|
|
case 0x22: str = "Service option temporarily out of order"; break;
|
|
case 0x26: str = "Call cannot be identified"; break;
|
|
case 0x5f: str = "Semantically incorrect message"; break;
|
|
case 0x60: str = "Invalid mandatory information"; break;
|
|
case 0x61: str = "Message type non-existent or not implemented"; break;
|
|
case 0x62: str = "Message type not compatible with the protocol state"; break;
|
|
case 0x63: str = "Information element non-existent or not implemented"; break;
|
|
case 0x64: str = "Conditional IE error"; break;
|
|
case 0x65: str = "Message not compatible with the protocol state"; break;
|
|
case 0x6f: str = "Protocol error, unspecified"; break;
|
|
default:
|
|
switch (is_uplink)
|
|
{
|
|
case IS_UPLINK_FALSE:
|
|
str = "Service option temporarily out of order";
|
|
break;
|
|
default:
|
|
str = "Protocol error, unspecified";
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Reject Cause value: 0x%02x (%u) %s",
|
|
oct,
|
|
oct,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.3.7 Follow-on Proceed
|
|
* No data
|
|
*/
|
|
/*
|
|
* [3] 10.5.3.8 Time Zone
|
|
*/
|
|
static guint8
|
|
de_time_zone(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
char sign;
|
|
|
|
curr_offset = offset;
|
|
|
|
/* 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).
|
|
*/
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
sign = (oct & 0x08)?'-':'+';
|
|
oct = (oct >> 4) + (oct & 0x07) * 10;
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, offset, 1,
|
|
"Timezone: GMT %c %d hours %d minutes",
|
|
sign, oct / 4, oct % 4 * 15);
|
|
curr_offset++;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.9 Time Zone and Time
|
|
*/
|
|
static guint8
|
|
de_time_zone_time(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct, oct2, oct3;
|
|
guint32 curr_offset;
|
|
char sign;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
oct2 = tvb_get_guint8(tvb, curr_offset+1);
|
|
oct3 = tvb_get_guint8(tvb, curr_offset+2);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 3,
|
|
"Year %u%u, Month %u%u, Day %u%u",
|
|
oct & 0x0f,
|
|
(oct & 0xf0) >> 4,
|
|
oct2 & 0x0f,
|
|
(oct2 & 0xf0) >> 4,
|
|
oct3 & 0x0f,
|
|
(oct3 & 0xf0) >> 4);
|
|
|
|
curr_offset += 3;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
oct2 = tvb_get_guint8(tvb, curr_offset+1);
|
|
oct3 = tvb_get_guint8(tvb, curr_offset+2);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 3,
|
|
"Hour %u%u, Minutes %u%u, Seconds %u%u",
|
|
oct & 0x0f,
|
|
(oct & 0xf0) >> 4,
|
|
oct2 & 0x0f,
|
|
(oct2 & 0xf0) >> 4,
|
|
oct3 & 0x0f,
|
|
(oct3 & 0xf0) >> 4);
|
|
|
|
curr_offset += 3;
|
|
|
|
/* 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).
|
|
*/
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
sign = (oct & 0x08)?'-':'+';
|
|
oct = (oct >> 4) + (oct & 0x07) * 10;
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, offset, 1,
|
|
"Timezone: GMT %c %d hours %d minutes",
|
|
sign, oct / 4, oct % 4 * 15);
|
|
|
|
curr_offset++;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.3.10 CTS permission
|
|
* No data
|
|
*/
|
|
/*
|
|
* [3] 10.5.3.11 LSA Identifier
|
|
* 3GPP TS 24.008 version 6.8.0 Release 6
|
|
*/
|
|
static guint8
|
|
de_lsa_id(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
if (len == 0){
|
|
proto_tree_add_text(tree,tvb, curr_offset, len,"LSA ID not included");
|
|
}else{
|
|
proto_tree_add_item(tree, hf_gsm_a_lsa_id, tvb, curr_offset, 3, FALSE);
|
|
}
|
|
|
|
curr_offset += len;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.3.12 Daylight Saving Time
|
|
*/
|
|
static guint8
|
|
de_day_saving_time(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xfc, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0: str = "No adjustment for Daylight Saving Time"; break;
|
|
case 1: str = "+1 hour adjustment for Daylight Saving Time"; break;
|
|
case 2: str = "+2 hours adjustment for Daylight Saving Time"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x03, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.3.13 Emergency Number List
|
|
*/
|
|
static guint8
|
|
de_emerg_num_list(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_text(tree, tvb, curr_offset, len, "Not decoded yet");
|
|
|
|
|
|
return(len);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.4 Auxiliary states
|
|
*/
|
|
static guint8
|
|
de_aux_states(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch ((oct & 0x0c) >> 2)
|
|
{
|
|
case 0: str = "Idle"; break;
|
|
case 1: str = "Hold request"; break;
|
|
case 2: str = "Call held"; break;
|
|
default:
|
|
str = "Retrieve request";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0c, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Hold auxiliary state: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0: str = "Idle"; break;
|
|
case 1: str = "MPTY request"; break;
|
|
case 2: str = "Call in MPTY"; break;
|
|
default:
|
|
str = "Split request";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x03, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Multi party auxiliary state: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.4.4a Backup bearer capability
|
|
*/
|
|
/*
|
|
* [3] 10.5.4.5 Bearer capability
|
|
*/
|
|
guint8
|
|
de_bearer_cap(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint8 itc;
|
|
gboolean extended;
|
|
guint32 curr_offset;
|
|
guint32 saved_offset;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
#define DE_BC_ITC_SPEECH 0x00
|
|
#define DE_BC_ITC_UDI 0x01
|
|
#define DE_BC_ITC_EX_PLMN 0x02
|
|
#define DE_BC_ITC_FASC_G3 0x03
|
|
#define DE_BC_ITC_OTHER_ITC 0x05
|
|
#define DE_BC_ITC_RSVD_NET 0x07
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
/* octet 3 */
|
|
|
|
/*
|
|
* warning, bearer cap uses extended values that
|
|
* are reversed from other parameters!
|
|
*/
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 3");
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_3);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
itc = oct & 0x07;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
switch (is_uplink)
|
|
{
|
|
case IS_UPLINK_FALSE:
|
|
str = "Spare";
|
|
break;
|
|
|
|
case IS_UPLINK_TRUE:
|
|
/*
|
|
* depends on Information transfer capability
|
|
*/
|
|
switch (itc)
|
|
{
|
|
case DE_BC_ITC_SPEECH:
|
|
if (extended)
|
|
{
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 1: str = "MS supports at least full rate speech version 1 but does not support half rate speech version 1"; break;
|
|
case 2: str = "MS supports at least full rate speech version 1 and half rate speech version 1. MS has a greater preference for half rate speech version 1 than for full rate speech version 1"; break;
|
|
case 3: str = "MS supports at least full rate speech version 1 and half rate speech version 1. MS has a greater preference for full rate speech version 1 than for half rate speech version 1"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 1: str = "Full rate support only MS/fullrate speech version 1 supported"; break;
|
|
case 2: str = "Dual rate support MS/half rate speech version 1 preferred, full rate speech version 1 also supported"; break;
|
|
case 3: str = "Dual rate support MS/full rate speech version 1 preferred, half rate speech version 1 also supported"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 1: str = "Full rate support only MS"; break;
|
|
case 2: str = "Dual rate support MS/half rate preferred"; break;
|
|
case 3: str = "Dual rate support MS/full rate preferred"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
str = "(dissect problem)";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Radio channel requirement: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding standard: %s",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "reserved" : "GSM standardized coding");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Transfer mode: %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "packet" : "circuit");
|
|
|
|
switch (itc)
|
|
{
|
|
case DE_BC_ITC_SPEECH: str = "Speech"; break;
|
|
case DE_BC_ITC_UDI: str = "Unrestricted digital information"; break;
|
|
case DE_BC_ITC_EX_PLMN: str = "3.1 kHz audio, ex PLMN"; break;
|
|
case DE_BC_ITC_FASC_G3: str = "Facsimile group 3"; break;
|
|
case DE_BC_ITC_OTHER_ITC: str = "Other ITC (See Octet 5a)"; break;
|
|
case DE_BC_ITC_RSVD_NET: str = "Reserved, to be used in the network"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Information transfer capability: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - (%s)", str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
switch (itc)
|
|
{
|
|
case DE_BC_ITC_SPEECH:
|
|
/* octets 3a */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, -1,
|
|
"Octets 3a - Speech Versions");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_3a);
|
|
|
|
saved_offset = curr_offset;
|
|
|
|
do
|
|
{
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding: octet used for %s",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "other extension of octet 3" :
|
|
"extension of information transfer capability");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x30, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0: str = "GSM full rate speech version 1"; break;
|
|
case 2: str = "GSM full rate speech version 2"; break;
|
|
case 4: str = "GSM full rate speech version 3"; break;
|
|
case 1: str = "GSM half rate speech version 1"; break;
|
|
case 5: str = "GSM half rate speech version 3"; break;
|
|
default:
|
|
str = "Speech version TBD";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Speech version indication: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
}
|
|
while (extended &&
|
|
((len - (curr_offset - offset)) > 0));
|
|
|
|
proto_item_set_len(item, curr_offset - saved_offset);
|
|
break;
|
|
|
|
default:
|
|
/* octet 4 */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 4");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_4);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Compression: data compression %s%s",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "" : "not ",
|
|
is_uplink ? "allowed" : "possible");
|
|
|
|
switch ((oct & 0x30) >> 4)
|
|
{
|
|
case 0x00: str = "Service data unit integrity"; break;
|
|
case 0x03: str = "Unstructured"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x30, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Structure: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Duplex mode: %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "Full" : "Half");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x04, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Configuration: %s",
|
|
a_bigbuf,
|
|
(oct & 0x04) ? "Reserved" : "Point-to-point");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x02, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : NIRR: %s",
|
|
a_bigbuf,
|
|
(oct & 0x02) ?
|
|
"Data up to and including 4.8 kb/s, full rate, non-transparent, 6 kb/s radio interface rate is requested" :
|
|
"No meaning is associated with this value");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x01, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Establishment: %s",
|
|
a_bigbuf,
|
|
(oct & 0x01) ? "Reserved" : "Demand");
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
/* octet 5 */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 5");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_5);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Access Identity: %s",
|
|
a_bigbuf,
|
|
(oct & 0x60) ? "Reserved" : "Octet identifier");
|
|
|
|
switch ((oct & 0x18) >> 3)
|
|
{
|
|
case 0x00: str = "No rate adaption"; break;
|
|
case 0x01: str = "V.110, I.460/X.30 rate adaptation"; break;
|
|
case 0x02: str = "ITU-T X.31 flag stuffing"; break;
|
|
default:
|
|
str = "Other rate adaption (see octet 5a)";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x18, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Rate Adaption: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 0x01: str = "I.440/450"; break;
|
|
case 0x02: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x03: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x04: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x05: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x06: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Signalling Access Protocol: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_6;
|
|
|
|
/* octet 5a */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 5a");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_5a);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Other ITC: %s",
|
|
a_bigbuf,
|
|
(oct & 0x60) ? "Reserved" : "Restricted digital information");
|
|
|
|
switch ((oct & 0x18) >> 3)
|
|
{
|
|
case 0x00: str = "V.120"; break;
|
|
case 0x01: str = "H.223 & H.245"; break;
|
|
case 0x02: str = "PIAFS"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x18, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Other Rate Adaption: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_6;
|
|
|
|
/* octet 5b */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 5b");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_5b);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Rate Adaption Header: %sincluded",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x20, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Multiple frame establishment support in data link: %s",
|
|
a_bigbuf,
|
|
(oct & 0x20) ? "Supported" : "Not supported, only UI frames allowed");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Mode of operation: %s",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "Protocol sensitive" : "Bit transparent");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Logical link identifier negotiation: %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "Full protocol negotiation" : "Default, LLI=256 only");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x04, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Assignor/Assignee: Message originator is '%s'",
|
|
a_bigbuf,
|
|
(oct & 0x04) ? "assignor only" : "default assignee");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x02, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : In band/Out of band negotiation: Negotiation is done %s",
|
|
a_bigbuf,
|
|
(oct & 0x02) ?
|
|
"with USER INFORMATION messages on a temporary signalling connection" :
|
|
"in-band using logical link zero");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x01, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
bc_octet_6:
|
|
|
|
/* octet 6 */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Layer 1 Identity: %s",
|
|
a_bigbuf,
|
|
((oct & 0x60) == 0x20) ? "Octet identifier" : "Reserved");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x1e, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : User information layer 1 protocol: %s",
|
|
a_bigbuf,
|
|
(oct & 0x1e) ? "Reserved" : "Default layer 1 protocol");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x01, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Synchronous/asynchronous: %s",
|
|
a_bigbuf,
|
|
(oct & 0x01) ? "Asynchronous" : "Synchronous");
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6a */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6a");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6a);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Number of Stop Bits: %s",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "2" : "1");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x20, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Negotiation: %s",
|
|
a_bigbuf,
|
|
(oct & 0x20) ? "Reserved" : "In-band negotiation not possible");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Number of data bits excluding parity bit if present: %s",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "8" : "7");
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0x01: str = "0.3 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x02: str = "1.2 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x03: str = "2.4 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x04: str = "4.8 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x05: str = "9.6 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x06: str = "12.0 kbit/s transparent (non compliance with X.1 and V.110)"; break;
|
|
case 0x07: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : User rate: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6b */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6b");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6b);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0x02: str = "8 kbit/s"; break;
|
|
case 0x03: str = "16 kbit/s"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : V.110/X.30 rate adaptation Intermediate rate: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Network independent clock (NIC) on transmission (Tx): %s to send data with network independent clock",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "requires" : "does not require");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Network independent clock (NIC) on reception (Rx): %s accept data with network independent clock",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "can" : "cannot");
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 0x00: str = "Odd"; break;
|
|
case 0x02: str = "Even"; break;
|
|
case 0x03: str = "None"; break;
|
|
case 0x04: str = "Forced to 0"; break;
|
|
case 0x05: str = "Forced to 1"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Parity information: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6c */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6c");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6c);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0x01: str = "Non transparent (RLP)"; break;
|
|
case 0x02: str = "Both, transparent preferred"; break;
|
|
case 0x03: str = "Both, non transparent preferred"; break;
|
|
default:
|
|
str = "Transparent";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Connection element: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
switch (oct & 0x1f)
|
|
{
|
|
case 0x00: str = "None"; break;
|
|
case 0x01: str = "V.21"; break;
|
|
case 0x02: str = "V.22"; break;
|
|
case 0x03: str = "V.22 bis"; break;
|
|
case 0x04: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x05: str = "V.26 ter"; break;
|
|
case 0x06: str = "V.32"; break;
|
|
case 0x07: str = "Modem for undefined interface"; break;
|
|
case 0x08: str = "Autobauding type 1"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x1f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Modem type: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6d */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6d");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6d);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0x00: str = "No other modem type specified in this field"; break;
|
|
case 0x02: str = "V.34"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Other modem type: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
switch (oct & 0x1f)
|
|
{
|
|
case 0x00: str = "Fixed network user rate not applicable/No meaning is associated with this value"; break;
|
|
case 0x01: str = "9.6 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x02: str = "14.4 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x03: str = "19.2 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x04: str = "28.8 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x05: str = "38.4 kbit/s Recommendation X.1 and V.110"; break;
|
|
case 0x06: str = "48.0 kbit/s Recommendation X.1 and V.110(synch)"; break;
|
|
case 0x07: str = "56.0 kbit/s Recommendation X.1 and V.110(synch) /bit transparent"; break;
|
|
case 0x08: str = "64.0 kbit/s bit transparent"; break;
|
|
case 0x09: str = "33.6 kbit/s bit transparent"; break;
|
|
case 0x0a: str = "32.0 kbit/s Recommendation I.460"; break;
|
|
case 0x0b: str = "31.2 kbit/s Recommendation V.34"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x1f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Fixed network user rate: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6e */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6e");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6e);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
if (is_uplink == IS_UPLINK_TRUE)
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings: TCH/F14.4 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x20, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings: Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings: TCH/F9.6 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings: TCH/F4.8 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Maximum number of traffic channels: %u TCH",
|
|
a_bigbuf,
|
|
(oct & 0x07) + 1);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x78, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings: Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Maximum number of traffic channels: Spare",
|
|
a_bigbuf);
|
|
}
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6f */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6f");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6f);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0x00: str = "not allowed/required/applicable"; break;
|
|
case 0x01: str = "up to 1 TCH/F allowed/may be requested"; break;
|
|
case 0x02: str = "up to 2 TCH/F allowed/may be requested"; break;
|
|
case 0x03: str = "up to 3 TCH/F allowed/may be requested"; break;
|
|
case 0x04: str = "up to 4 TCH/F allowed/may be requested"; break;
|
|
default:
|
|
str = "up to 4 TCH/F may be requested";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : UIMI, User initiated modification indication: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
if (is_uplink == IS_UPLINK_TRUE)
|
|
{
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0x00: str = "Air interface user rate not applicable/No meaning associated with this value"; break;
|
|
case 0x01: str = "9.6 kbit/s"; break;
|
|
case 0x02: str = "14.4 kbit/s"; break;
|
|
case 0x03: str = "19.2 kbit/s"; break;
|
|
case 0x05: str = "28.8 kbit/s"; break;
|
|
case 0x06: str = "38.4 kbit/s"; break;
|
|
case 0x07: str = "43.2 kbit/s"; break;
|
|
case 0x08: str = "57.6 kbit/s"; break;
|
|
case 0x09: str = "interpreted by the network as 38.4 kbit/s in this version of the protocol"; break;
|
|
case 0x0a: str = "interpreted by the network as 38.4 kbit/s in this version of the protocol"; break;
|
|
case 0x0b: str = "interpreted by the network as 38.4 kbit/s in this version of the protocol"; break;
|
|
case 0x0c: str = "interpreted by the network as 38.4 kbit/s in this version of the protocol"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Wanted air interface user rate: %s",
|
|
a_bigbuf,
|
|
str);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Wanted air interface user rate: Spare",
|
|
a_bigbuf);
|
|
}
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
if (!extended) goto bc_octet_7;
|
|
|
|
/* octet 6g */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 6g");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_6g);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
if (is_uplink == IS_UPLINK_TRUE)
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x40, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings extended: TCH/F28.8 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x40) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x20, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings extended: TCH/F32.0 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x20) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings extended: TCH/F43.2 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "" : "not ");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Acceptable channel codings extended: TCH/F43.2 %sacceptable",
|
|
a_bigbuf,
|
|
(oct & 0x10) ? "" : "not ");
|
|
|
|
switch ((oct & 0x0c) >> 2)
|
|
{
|
|
case 0: str = "Channel coding symmetry preferred"; break;
|
|
case 2: str = "Downlink biased channel coding asymmetry is preferred"; break;
|
|
case 1: str = "Uplink biased channel coding asymmetry is preferred"; break;
|
|
default:
|
|
str = "Unused, treat as Channel coding symmetry preferred";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0c, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Channel Coding Asymmetry Indication: %s",
|
|
a_bigbuf,
|
|
str);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x7c, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : EDGE Channel Codings: Spare",
|
|
a_bigbuf);
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x03, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
bc_octet_7:
|
|
/* octet 7 */
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Octet 7");
|
|
|
|
subtree = proto_item_add_subtree(item, ett_bc_oct_7);
|
|
extended = (oct & 0x80) ? FALSE : TRUE;
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
extended ? "extended" : "not extended");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Layer 2 Identity: %s",
|
|
a_bigbuf,
|
|
((oct & 0x60) == 0x40) ? "Octet identifier" : "Reserved");
|
|
|
|
switch (oct & 0x1f)
|
|
{
|
|
case 0x06: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
case 0x08: str = "ISO 6429, codeset 0 (DC1/DC3)"; break;
|
|
case 0x09: str = "Reserved: was allocated but never used in earlier phases of the protocol"; break;
|
|
case 0x0a: str = "Videotex profile 1"; break;
|
|
case 0x0c: str = "COPnoFlCt (Character oriented Protocol with no Flow Control mechanism)"; break;
|
|
case 0x0d: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x1f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : User information layer 2 protocol: %s",
|
|
a_bigbuf,
|
|
str);
|
|
break;
|
|
}
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
|
|
guint8
|
|
de_bearer_cap_uplink(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len)
|
|
{
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
return de_bearer_cap(tvb, tree, offset, len, add_string, string_len);
|
|
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.5a Call Control Capabilities
|
|
*/
|
|
|
|
static guint8
|
|
de_cc_cap(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
|
|
switch ((oct & 0xf0) >> 4)
|
|
{
|
|
case 0:
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Maximum number of supported bearers: 1",
|
|
a_bigbuf);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Maximum number of supported bearers: %u",
|
|
a_bigbuf,
|
|
(oct & 0xf0) >> 4);
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0c, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x02, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : PCP: the mobile station %s the Prolonged Clearing Procedure",
|
|
a_bigbuf,
|
|
(oct & 0x02) ? "supports" : "does not support");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x01, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : DTMF: %s",
|
|
a_bigbuf,
|
|
(oct & 0x01) ?
|
|
"the mobile station supports DTMF as specified in subclause 5.5.7 of TS 24.008" :
|
|
"reserved for earlier versions of the protocol");
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Maximum number of speech bearers: %u",
|
|
a_bigbuf,
|
|
oct & 0x0f);
|
|
|
|
curr_offset++;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.6 Call state
|
|
*/
|
|
static guint8
|
|
de_call_state(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_dtap_elem_strings[DE_CALL_STATE].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_dtap_elem[DE_CALL_STATE]);
|
|
|
|
switch ((oct & 0xc0) >> 6)
|
|
{
|
|
case 0: str = "Coding as specified in ITU-T Rec. Q.931"; break;
|
|
case 1: str = "Reserved for other international standards"; break;
|
|
case 2: str = "National standard"; break;
|
|
default:
|
|
str = "Standard defined for the GSM PLMNS";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xc0, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding standard: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
switch (oct & 0x3f)
|
|
{
|
|
case 0x00: str = "UO - null NO - null"; break;
|
|
case 0x02: str = "U0.1- MM connection pending N0.1- MM connection pending"; break;
|
|
case 0x22: str = "U0.2- CC prompt present N0.2- CC connection pending"; break;
|
|
case 0x23: str = "U0.3- Wait for network information N0.3- Network answer pending"; break;
|
|
case 0x24: str = "U0.4- CC-Establishment present N0.4- CC-Establishment present"; break;
|
|
case 0x25: str = "U0.5- CC-Establishment confirmed N0.5- CC-Establishment confirmed"; break;
|
|
case 0x26: str = "U0.6- Recall present N0.6- Recall present"; break;
|
|
case 0x01: str = "U1 - call initiated N1 - call initiated"; break;
|
|
case 0x03: str = "U3 - mobile originating call proceeding N3 - mobile originating call proceeding"; break;
|
|
case 0x04: str = "U4 - call delivered N4 - call delivered"; break;
|
|
case 0x06: str = "U6 - call present N6 - call present"; break;
|
|
case 0x07: str = "U7 - call received N7 - call received"; break;
|
|
case 0x08: str = "U8 - connect request N8 - connect request"; break;
|
|
case 0x09: str = "U9 - mobile terminating call confirmed N9 - mobile terminating call confirmed"; break;
|
|
case 0x0a: str = "U10- active N10- active"; break;
|
|
case 0x0b: str = "U11- disconnect request"; break;
|
|
case 0x0c: str = "U12- disconnect indication N12-disconnect indication"; break;
|
|
case 0x13: str = "U19- release request N19- release request"; break;
|
|
case 0x1a: str = "U26- mobile originating modify N26- mobile originating modify"; break;
|
|
case 0x1b: str = "U27- mobile terminating modify N27- mobile terminating modify"; break;
|
|
case 0x1c: str = " N28- connect indication"; break;
|
|
default:
|
|
str = "Unknown";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x3f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Call state value: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static const true_false_string gsm_a_extension_value = {
|
|
"No Extension",
|
|
"Extension"
|
|
};
|
|
|
|
const value_string gsm_a_type_of_number_values[] = {
|
|
{ 0x00, "unknown" },
|
|
{ 0x01, "International Number" },
|
|
{ 0x02, "National number" },
|
|
{ 0x03, "Network Specific Number" },
|
|
{ 0x04, "Dedicated access, short code" },
|
|
{ 0x05, "Reserved" },
|
|
{ 0x06, "Reserved" },
|
|
{ 0x07, "Reserved for extension" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
const value_string gsm_a_numbering_plan_id_values[] = {
|
|
{ 0x00, "unknown" },
|
|
{ 0x01, "ISDN/Telephony Numbering (Rec ITU-T E.164)" },
|
|
{ 0x02, "spare" },
|
|
{ 0x03, "Data Numbering (ITU-T Rec. X.121)" },
|
|
{ 0x04, "Telex Numbering (ITU-T Rec. F.69)" },
|
|
{ 0x08, "National Numbering" },
|
|
{ 0x09, "Private Numbering" },
|
|
{ 0x0d, "reserved for CTS (see 3GPP TS 44.056 [91])" },
|
|
{ 0x0f, "Reserved for extension" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
/*
|
|
* [3] 10.5.4.7 Called party BCD number
|
|
*/
|
|
guint8
|
|
de_cld_party_bcd_num(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len)
|
|
{
|
|
guint8 *poctets;
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_gsm_a_type_of_number , tvb, curr_offset, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_gsm_a_numbering_plan_id , tvb, curr_offset, 1, FALSE);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
poctets = tvb_get_ephemeral_string(tvb, curr_offset, len - (curr_offset - offset));
|
|
|
|
my_dgt_tbcd_unpack(a_bigbuf, poctets, len - (curr_offset - offset),
|
|
&Dgt_mbcd);
|
|
|
|
proto_tree_add_string_format(tree, hf_gsm_a_cld_party_bcd_num,
|
|
tvb, curr_offset, len - (curr_offset - offset),
|
|
a_bigbuf,
|
|
"BCD Digits: %s",
|
|
a_bigbuf);
|
|
|
|
if (sccp_assoc && ! sccp_assoc->called_party) {
|
|
sccp_assoc->called_party = se_strdup(a_bigbuf);
|
|
}
|
|
|
|
curr_offset += len - (curr_offset - offset);
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - (%s)", a_bigbuf);
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.8 Called party subaddress
|
|
*/
|
|
static guint8
|
|
de_cld_party_sub_addr(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0: str = "NSAP (X.213/ISO 8348 AD2)"; break;
|
|
case 2: str = "User specified"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Type of subaddress: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Odd/Even indicator: %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ?
|
|
"odd number of address signals" : "even number of address signals");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len - (curr_offset - offset),
|
|
"Subaddress information");
|
|
|
|
curr_offset += len - (curr_offset - offset);
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/* 3GPP TS 24.008
|
|
* [3] 10.5.4.9 Calling party BCD number
|
|
*/
|
|
static guint8
|
|
de_clg_party_bcd_num(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint8 *poctets;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_gsm_a_type_of_number , tvb, curr_offset, 1, FALSE);
|
|
proto_tree_add_item(tree, hf_gsm_a_numbering_plan_id , tvb, curr_offset, 1, FALSE);
|
|
|
|
curr_offset++;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0: str = "Presentation allowed"; break;
|
|
case 1: str = "Presentation restricted"; break;
|
|
case 2: str = "Number not available due to interworking"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Presentation indicator: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x1c, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0: str = "User-provided, not screened"; break;
|
|
case 1: str = "User-provided, verified and passed"; break;
|
|
case 2: str = "User-provided, verified and failed"; break;
|
|
default:
|
|
str = "Network provided";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x03, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Screening indicator: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
poctets = tvb_get_ephemeral_string(tvb, curr_offset, len - (curr_offset - offset));
|
|
|
|
my_dgt_tbcd_unpack(a_bigbuf, poctets, len - (curr_offset - offset),
|
|
&Dgt_mbcd);
|
|
|
|
proto_tree_add_string_format(tree, hf_gsm_a_clg_party_bcd_num,
|
|
tvb, curr_offset, len - (curr_offset - offset),
|
|
a_bigbuf,
|
|
"BCD Digits: %s",
|
|
a_bigbuf);
|
|
|
|
curr_offset += len - (curr_offset - offset);
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - (%s)", a_bigbuf);
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.10 Calling party subaddress
|
|
*/
|
|
static guint8
|
|
de_clg_party_sub_addr(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0: str = "NSAP (X.213/ISO 8348 AD2)"; break;
|
|
case 2: str = "User specified"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Type of subaddress: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Odd/Even indicator: %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ?
|
|
"odd number of address signals" : "even number of address signals");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len - (curr_offset - offset),
|
|
"Subaddress information");
|
|
|
|
curr_offset += len - (curr_offset - offset);
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [3] 10.5.4.11 Cause
|
|
*/
|
|
static guint8
|
|
de_cause(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint8 cause;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
(oct & 0x80) ? "not extended" : "extended");
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0: str = "Coding as specified in ITU-T Rec. Q.931"; break;
|
|
case 1: str = "Reserved for other international standards"; break;
|
|
case 2: str = "National standard"; break;
|
|
default:
|
|
str = "Standard defined for the GSM PLMNS";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding standard: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0: str = "User"; break;
|
|
case 1: str = "Private network serving the local user"; break;
|
|
case 2: str = "Public network serving the local user"; break;
|
|
case 3: str = "Transit network"; break;
|
|
case 4: str = "Public network serving the remote user"; break;
|
|
case 5: str = "Private network serving the remote user"; break;
|
|
case 7: str = "International network"; break;
|
|
case 10: str = "Network beyond interworking point"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Location: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
if (!(oct & 0x80))
|
|
{
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x7f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Recommendation",
|
|
a_bigbuf);
|
|
|
|
curr_offset++;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
}
|
|
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, curr_offset, 1, FALSE);
|
|
|
|
cause = oct & 0x7f;
|
|
switch (cause)
|
|
{
|
|
case 1: str = "Unassigned (unallocated) number"; break;
|
|
case 3: str = "No route to destination"; break;
|
|
case 6: str = "Channel unacceptable"; break;
|
|
case 8: str = "Operator determined barring"; break;
|
|
case 16: str = "Normal call clearing"; break;
|
|
case 17: str = "User busy"; break;
|
|
case 18: str = "No user responding"; break;
|
|
case 19: str = "User alerting, no answer"; break;
|
|
case 21: str = "Call rejected"; break;
|
|
case 22: str = "Number changed"; break;
|
|
case 25: str = "Pre-emption"; break;
|
|
case 26: str = "Non selected user clearing"; break;
|
|
case 27: str = "Destination out of order"; break;
|
|
case 28: str = "Invalid number format (incomplete number)"; break;
|
|
case 29: str = "Facility rejected"; break;
|
|
case 30: str = "Response to STATUS ENQUIRY"; break;
|
|
case 31: str = "Normal, unspecified"; break;
|
|
case 34: str = "No circuit/channel available"; break;
|
|
case 38: str = "Network out of order"; break;
|
|
case 41: str = "Temporary failure"; break;
|
|
case 42: str = "Switching equipment congestion"; break;
|
|
case 43: str = "Access information discarded"; break;
|
|
case 44: str = "requested circuit/channel not available"; break;
|
|
case 47: str = "Resources unavailable, unspecified"; break;
|
|
case 49: str = "Quality of service unavailable"; break;
|
|
case 50: str = "Requested facility not subscribed"; break;
|
|
case 55: str = "Incoming calls barred within the CUG"; break;
|
|
case 57: str = "Bearer capability not authorized"; break;
|
|
case 58: str = "Bearer capability not presently available"; break;
|
|
case 63: str = "Service or option not available, unspecified"; break;
|
|
case 65: str = "Bearer service not implemented"; break;
|
|
case 68: str = "ACM equal to or greater than ACMmax"; break;
|
|
case 69: str = "Requested facility not implemented"; break;
|
|
case 70: str = "Only restricted digital information bearer capability is available"; break;
|
|
case 79: str = "Service or option not implemented, unspecified"; break;
|
|
case 81: str = "Invalid transaction identifier value"; break;
|
|
case 87: str = "User not member of CUG"; break;
|
|
case 88: str = "Incompatible destination"; break;
|
|
case 91: str = "Invalid transit network selection"; break;
|
|
case 95: str = "Semantically incorrect message"; break;
|
|
case 96: str = "Invalid mandatory information"; break;
|
|
case 97: str = "Message type non-existent or not implemented"; break;
|
|
case 98: str = "Message type not compatible with protocol state"; break;
|
|
case 99: str = "Information element non-existent or not implemented"; break;
|
|
case 100: str = "Conditional IE error"; break;
|
|
case 101: str = "Message not compatible with protocol state"; break;
|
|
case 102: str = "Recovery on timer expiry"; break;
|
|
case 111: str = "Protocol error, unspecified"; break;
|
|
case 127: str = "Interworking, unspecified"; break;
|
|
default:
|
|
if (cause <= 31) { str = "Treat as Normal, unspecified"; }
|
|
else if ((cause >= 32) && (cause <= 47)) { str = "Treat as Resources unavailable, unspecified"; }
|
|
else if ((cause >= 48) && (cause <= 63)) { str = "Treat as Service or option not available, unspecified"; }
|
|
else if ((cause >= 64) && (cause <= 79)) { str = "Treat as Service or option not implemented, unspecified"; }
|
|
else if ((cause >= 80) && (cause <= 95)) { str = "Treat as Semantically incorrect message"; }
|
|
else if ((cause >= 96) && (cause <= 111)) { str = "Treat as Protocol error, unspecified"; }
|
|
else if ((cause >= 112) && (cause <= 127)) { str = "Treat as Interworking, unspecified"; }
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x7f, 8);
|
|
proto_tree_add_uint_format(tree, hf_gsm_a_dtap_cause,
|
|
tvb, curr_offset, 1, cause,
|
|
"%s : Cause: (%u) %s",
|
|
a_bigbuf,
|
|
cause,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - (%u) %s", cause, str);
|
|
|
|
NO_MORE_DATA_CHECK(len);
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, len - (curr_offset - offset),
|
|
"Diagnostics");
|
|
|
|
curr_offset += len - (curr_offset - offset);
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.4.11a CLIR suppression
|
|
* No data
|
|
*/
|
|
/*
|
|
* 10.5.4.11b CLIR invocation
|
|
* No data
|
|
*/
|
|
/*
|
|
* 10.5.4.12 Congestion level
|
|
* handled inline
|
|
*/
|
|
/*
|
|
* 10.5.4.13 Connected number
|
|
*/
|
|
/*
|
|
* 10.5.4.14 Connected subaddress
|
|
*/
|
|
/*
|
|
* 10.5.4.15 Facility
|
|
*/
|
|
|
|
static guint8
|
|
de_facility(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint fac_len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint saved_offset;
|
|
gint8 class;
|
|
gboolean pc;
|
|
gboolean ind = FALSE;
|
|
guint32 component_len = 0;
|
|
guint32 header_end_offset;
|
|
guint32 header_len;
|
|
asn1_ctx_t asn1_ctx;
|
|
tvbuff_t *SS_tvb = NULL;
|
|
void *save_private_data;
|
|
static gint comp_type_tag;
|
|
|
|
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, gsm_a_dtap_pinfo);
|
|
|
|
save_private_data= gsm_a_dtap_pinfo->private_data;
|
|
saved_offset = offset;
|
|
gsm_a_dtap_pinfo->private_data = NULL;
|
|
while ( fac_len > (offset - saved_offset)){
|
|
|
|
/* Get the length of the component there can be more than one component in a facility message */
|
|
|
|
header_end_offset = get_ber_identifier(tvb, offset, &class, &pc, &comp_type_tag);
|
|
header_end_offset = get_ber_length(tvb, header_end_offset, &component_len, &ind);
|
|
if (ind){
|
|
proto_tree_add_text(tree, tvb, offset+1, 1,
|
|
"Indefinte length, ignoring component");
|
|
return (fac_len);
|
|
}
|
|
header_len = header_end_offset - offset;
|
|
component_len = header_len + component_len;
|
|
/*
|
|
dissect_ROS_Component(FALSE, tvb, offset, &asn1_ctx, tree, hf_ROS_component);
|
|
TODO Call gsm map here
|
|
*/
|
|
SS_tvb = tvb_new_subset(tvb, offset, component_len, component_len);
|
|
call_dissector(gsm_map_handle, SS_tvb, gsm_a_dtap_pinfo, tree);
|
|
offset = offset + component_len;
|
|
}
|
|
gsm_a_dtap_pinfo->private_data = save_private_data;
|
|
return(fac_len);
|
|
}
|
|
/*
|
|
* 10.5.4.16 High layer compatibility
|
|
*/
|
|
|
|
/*
|
|
* [3] 10.5.4.17 Keypad facility
|
|
*/
|
|
static guint8
|
|
de_keypad_facility(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x7f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Keypad information: %c",
|
|
a_bigbuf,
|
|
oct & 0x7f);
|
|
|
|
curr_offset++;
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - %c", oct & 0x7f);
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* 10.5.4.18 Low layer compatibility
|
|
*/
|
|
static guint8
|
|
de_llc(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
|
|
curr_offset = offset;
|
|
|
|
dissect_q931_bearer_capability_ie(tvb, offset, len, tree);
|
|
|
|
curr_offset = curr_offset + len;
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* 10.5.4.19 More data
|
|
* No data
|
|
*/
|
|
/*
|
|
* 10.5.4.20 Notification indicator
|
|
*/
|
|
|
|
|
|
/*
|
|
* [3] 10.5.4.21 Progress indicator
|
|
*/
|
|
static guint8
|
|
de_prog_ind(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
(oct & 0x80) ? "extended" : "not extended");
|
|
|
|
switch ((oct & 0x60) >> 5)
|
|
{
|
|
case 0: str = "Coding as specified in ITU-T Rec. Q.931"; break;
|
|
case 1: str = "Reserved for other international standards"; break;
|
|
case 2: str = "National standard"; break;
|
|
default:
|
|
str = "Standard defined for the GSM PLMNS";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x60, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Coding standard: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x10, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0: str = "User"; break;
|
|
case 1: str = "Private network serving the local user"; break;
|
|
case 2: str = "Public network serving the local user"; break;
|
|
case 4: str = "Public network serving the remote user"; break;
|
|
case 5: str = "Private network serving the remote user"; break;
|
|
case 10: str = "Network beyond interworking point"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Location: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Extension: %s",
|
|
a_bigbuf,
|
|
(oct & 0x80) ? "extended" : "not extended");
|
|
|
|
switch (oct & 0x7f)
|
|
{
|
|
case 1: str = "Call is not end-to-end PLMN/ISDN, further call progress information may be available in-band"; break;
|
|
case 2: str = "Destination address in non-PLMN/ISDN"; break;
|
|
case 3: str = "Origination address in non-PLMN/ISDN"; break;
|
|
case 4: str = "Call has returned to the PLMN/ISDN"; break;
|
|
case 8: str = "In-band information or appropriate pattern now available"; break;
|
|
case 32: str = "Call is end-to-end PLMN/ISDN"; break;
|
|
case 64: str = "Queuing"; break;
|
|
default:
|
|
str = "Unspecific";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x7f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Progress Description: %s (%d)",
|
|
a_bigbuf,
|
|
str,
|
|
oct & 0x7f);
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - %d", oct & 0x7f);
|
|
|
|
curr_offset++;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.4.21b Redirecting party BCD number
|
|
*/
|
|
/*
|
|
* 10.5.4.21c Redirecting party subaddress
|
|
*/
|
|
/*
|
|
* [3] 10.5.4.22 Repeat indicator
|
|
*/
|
|
static guint8
|
|
de_repeat_ind(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 1: str = "Circular for successive selection 'mode 1 alternate mode 2'"; break;
|
|
case 2: str = "Support of fallback mode 1 preferred, mode 2 selected if setup of mode 1 fails"; break;
|
|
case 3: str = "Reserved: was allocated in earlier phases of the protocol"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.4.22a Reverse call setup direction
|
|
* No data
|
|
*/
|
|
/*
|
|
* 10.5.4.22b SETUP Container $(CCBS)$
|
|
*/
|
|
/*
|
|
* 10.5.4.23 Signal
|
|
*/
|
|
/*
|
|
* 10.5.4.24 SS Version Indicator
|
|
*/
|
|
static guint8
|
|
de_ss_ver_ind(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct)
|
|
{
|
|
case 0: str = "Phase 2 service, ellipsis notation, and phase 2 error handling is supported"; break;
|
|
case 1: str = "SS-Protocol version 3 is supported, and phase 2 error handling is supported"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s",
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
/*
|
|
* 10.5.4.25 User-user
|
|
*/
|
|
/*
|
|
* 10.5.4.26 Alerting Pattern $(NIA)$
|
|
*/
|
|
/*
|
|
* 10.5.4.27 Allowed actions $(CCBS)$
|
|
*/
|
|
/*
|
|
* 10.5.4.28 Stream Identifier
|
|
*/
|
|
/*
|
|
* 10.5.4.29 Network Call Control Capabilities
|
|
*/
|
|
/*
|
|
* 10.5.4.30 Cause of No CLI
|
|
*/
|
|
/*
|
|
* 10.5.4.31 Void
|
|
*/
|
|
/*
|
|
* 10.5.4.32 Supported codec list
|
|
*/
|
|
/*
|
|
* 10.5.4.33 Service category
|
|
*/
|
|
/*
|
|
* 10.5.4.34 Redial
|
|
* No data
|
|
*/
|
|
/*
|
|
* 10.5.4.35 Network-initiated Service Upgrade indicator
|
|
* No data
|
|
*/
|
|
/*
|
|
* [5] 8.1.4.1 3GPP TS 24.011 version 6.1.0 Release 6
|
|
*/
|
|
static guint8
|
|
de_cp_user_data(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
tvbuff_t *rp_tvb;
|
|
|
|
curr_offset = offset;
|
|
|
|
proto_tree_add_text(tree, tvb, curr_offset, len,
|
|
"RPDU (not displayed)");
|
|
|
|
/*
|
|
* dissect the embedded RP message
|
|
*/
|
|
rp_tvb = tvb_new_subset(tvb, curr_offset, len, len);
|
|
|
|
call_dissector(rp_handle, rp_tvb, gsm_a_dtap_pinfo, g_tree);
|
|
|
|
curr_offset += len;
|
|
|
|
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
/*
|
|
* [5] 8.1.4.2
|
|
*/
|
|
static guint8
|
|
de_cp_cause(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string, int string_len)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct)
|
|
{
|
|
case 17: str = "Network failure"; break;
|
|
case 22: str = "Congestion"; break;
|
|
case 81: str = "Invalid Transaction Identifier value"; break;
|
|
case 95: str = "Semantically incorrect message"; break;
|
|
case 96: str = "Invalid mandatory information"; break;
|
|
case 97: str = "Message type non-existent or not implemented"; break;
|
|
case 98: str = "Message not compatible with the short message protocol state"; break;
|
|
case 99: str = "Information element non-existent or not implemented"; break;
|
|
case 111: str = "Protocol error, unspecified"; break;
|
|
default:
|
|
str = "Reserved, treat as Protocol error, unspecified";
|
|
break;
|
|
}
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Cause: (%u) %s",
|
|
oct,
|
|
str);
|
|
|
|
curr_offset++;
|
|
|
|
if (add_string)
|
|
g_snprintf(add_string, string_len, " - (%u) %s", oct, str);
|
|
|
|
/* no length check possible */
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_sub_channel(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset) & 0x3f;
|
|
if ((oct & 0x38) == 0x38)
|
|
str = "I";
|
|
else if ((oct & 0x38) == 0x18)
|
|
str = "F";
|
|
else if ((oct & 0x38) == 0x10)
|
|
str = "E";
|
|
else if ((oct & 0x38) == 0x08)
|
|
str = "D";
|
|
else if ((oct & 0x3c) == 0x04)
|
|
str = "C";
|
|
else if ((oct & 0x3e) == 0x02)
|
|
str = "B";
|
|
else if ((oct & 0x3e) == 0x00)
|
|
str = "A";
|
|
else
|
|
str = "unknown";
|
|
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Test Loop %s",str);
|
|
|
|
if (oct & 0x01)
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Only one TCH active or sub-channel 0 of two half rate channels is to be looped");
|
|
else
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"Sub-channel 1 of two half rate channels is to be looped");
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_ack(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
if ((oct & 0xF0) == 0x80)
|
|
proto_tree_add_text(tree,tvb, curr_offset, 1, "Acknowledgment element: %d",oct&0x01);
|
|
else
|
|
proto_tree_add_text(tree,tvb, curr_offset, 1, "No acknowledgment element present");
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_loop_type(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0x00:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding not needed. The Burst-by-Burst loop is activated, type G");
|
|
break;
|
|
case 0x01:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding needed. Frame erasure is to be signalled, type H");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding reserved (%d)",oct & 0x03);
|
|
break;
|
|
}
|
|
|
|
switch (oct & 0x1c)
|
|
{
|
|
case 0x00:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot mechanism 1");
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Timeslot number %d",(oct & 0xe0)>>5);
|
|
break;
|
|
case 0x04:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot mechanism 2");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Loop mechanism reserved (%d)",(oct & 0x1c)>>2);
|
|
break;
|
|
}
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_loop_ack(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct & 0x30)
|
|
{
|
|
case 0x00:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding not needed. The Burst-by-Burst loop is activated, type G");
|
|
break;
|
|
case 0x10:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding needed. Frame erasure is to be signalled, type H");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Channel coding reserved (%d)",(oct & 0x30)>>4);
|
|
break;
|
|
}
|
|
|
|
switch (oct & 0x0e)
|
|
{
|
|
case 0x00:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot mechanism 1");
|
|
break;
|
|
case 0x02:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot mechanism 2");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Loop mechanism reserved (%d)",(oct & 0x0e)>>1);
|
|
break;
|
|
}
|
|
|
|
if (oct & 0x01)
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot TCH loop was not closed due to error");
|
|
else
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Multi-slot TCH loop was closed successfully");
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_tested_device(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct)
|
|
{
|
|
case 0:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Normal operation (no tested device via DAI)");
|
|
break;
|
|
case 1:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Test of speech decoder / DTX functions (downlink)");
|
|
break;
|
|
case 2:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Test of speech encoder / DTX functions (uplink)");
|
|
break;
|
|
case 4:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Test of acoustic devices and A/D & D/A");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Tested device reserved (%d)",oct);
|
|
break;
|
|
}
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_pdu_description(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guint16 value;
|
|
|
|
curr_offset = offset;
|
|
|
|
value = tvb_get_ntohs(tvb, curr_offset);
|
|
curr_offset += 2;
|
|
|
|
if (value & 0x8000)
|
|
{
|
|
if ((value & 0xfff) == 0)
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Infinite number of PDUs to be transmitted in the TBF");
|
|
else
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "%d PDUs to be transmitted in the TBF",value & 0xfff);
|
|
}
|
|
else
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "PDU description reserved");
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_mode_flag(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
if (oct & 0x01)
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "MS shall select the loop back option");
|
|
else
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "MS shall itself generate the pseudorandom data");
|
|
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Downlink Timeslot Offset: timeslot number %d",(oct & 0x0e)>>1);
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_egprs_mode_flag(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
if (oct & 0x01)
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "MS loops back blocks on the uplink using GMSK modulation only");
|
|
else
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "MS loops back blocks on the uplink using either GMSK or 8-PSK modulation following the detected received modulation");
|
|
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Downlink Timeslot Offset: timeslot number %d",(oct & 0x0e)>>1);
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_ue_test_loop_mode(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
guint8 lb_setup_length,i,j;
|
|
guint16 value;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
curr_offset+= 1;
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0:
|
|
{
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE test loop mode 1 loop back (loopback of RLC SDUs or PDCP SDUs)");
|
|
lb_setup_length = tvb_get_guint8(tvb, curr_offset);
|
|
curr_offset += 1;
|
|
for (i=0,j=0; (i<lb_setup_length) && (j<4); i+=3,j++)
|
|
{
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "LB setup RB IE %d",j+1);
|
|
value = tvb_get_ntohs(tvb, curr_offset);
|
|
curr_offset += 2;
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Uplink RLC SDU size is %d bits",value);
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
curr_offset+= 1;
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "Radio Bearer %d",oct & 0x1f);
|
|
}
|
|
break;
|
|
}
|
|
case 1:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE test loop mode 2 loop back (loopback of transport block data and CRC bits)");
|
|
break;
|
|
case 2:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE test loop mode 3 RLC SDU counting (counting of received RLC SDUs)");
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
curr_offset+= 1;
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "MBMS short transmission identity %d",(oct & 0x1f)+1);
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE test loop mode reserved (%d)",oct & 0x03);
|
|
break;
|
|
}
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_ue_positioning_technology(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guchar oct;
|
|
|
|
curr_offset = offset;
|
|
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
switch (oct)
|
|
{
|
|
case 0:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "AGPS");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE positioning technology reserved (%d)",oct);
|
|
break;
|
|
}
|
|
|
|
curr_offset+= 1;
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
static guint8
|
|
de_tp_rlc_sdu_counter_value(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 value;
|
|
|
|
curr_offset = offset;
|
|
|
|
value = tvb_get_ntohl(tvb, curr_offset);
|
|
curr_offset+= 4;
|
|
|
|
proto_tree_add_text(tree, tvb, curr_offset, 1, "UE received RLC SDU counter value %d",value);
|
|
|
|
return(curr_offset - offset);
|
|
}
|
|
|
|
guint8 (*dtap_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len, gchar *add_string, int string_len) = {
|
|
/* Mobility Management Information Elements 10.5.3 */
|
|
de_auth_param_rand, /* Authentication Parameter RAND */
|
|
de_auth_param_autn, /* Authentication Parameter AUTN (UMTS authentication challenge only) */
|
|
de_auth_resp_param, /* Authentication Response Parameter */
|
|
de_auth_resp_param_ext, /* Authentication Response Parameter (extension) (UMTS authentication challenge only) */
|
|
de_auth_fail_param, /* Authentication Failure Parameter (UMTS authentication challenge only) */
|
|
NULL /* handled inline */, /* CM Service Type */
|
|
NULL /* handled inline */, /* Identity Type */
|
|
NULL /* handled inline */, /* Location Updating Type */
|
|
de_network_name, /* Network Name */
|
|
de_rej_cause, /* Reject Cause */
|
|
NULL /* no associated data */, /* Follow-on Proceed */
|
|
de_time_zone, /* Time Zone */
|
|
de_time_zone_time, /* Time Zone and Time */
|
|
NULL /* no associated data */, /* CTS Permission */
|
|
de_lsa_id, /* LSA Identifier */
|
|
de_day_saving_time, /* Daylight Saving Time */
|
|
de_emerg_num_list, /* Emergency Number List */
|
|
/* Call Control Information Elements 10.5.4 */
|
|
de_aux_states, /* Auxiliary States */
|
|
de_bearer_cap, /* Bearer Capability */
|
|
de_cc_cap, /* Call Control Capabilities */
|
|
de_call_state, /* Call State */
|
|
de_cld_party_bcd_num, /* Called Party BCD Number */
|
|
de_cld_party_sub_addr, /* Called Party Subaddress */
|
|
de_clg_party_bcd_num, /* Calling Party BCD Number */
|
|
de_clg_party_sub_addr, /* Calling Party Subaddress */
|
|
de_cause, /* Cause */
|
|
NULL /* no associated data */, /* CLIR Suppression */
|
|
NULL /* no associated data */, /* CLIR Invocation */
|
|
NULL /* handled inline */, /* Congestion Level */
|
|
NULL, /* Connected Number */
|
|
NULL, /* Connected Subaddress */
|
|
de_facility, /* Facility */
|
|
NULL, /* High Layer Compatibility */
|
|
de_keypad_facility, /* Keypad Facility */
|
|
de_llc, /* 10.5.4.18 Low layer compatibility */
|
|
NULL, /* More Data */
|
|
NULL, /* Notification Indicator */
|
|
de_prog_ind, /* Progress Indicator */
|
|
NULL, /* Recall type $(CCBS)$ */
|
|
NULL, /* Redirecting Party BCD Number */
|
|
NULL, /* Redirecting Party Subaddress */
|
|
de_repeat_ind, /* Repeat Indicator */
|
|
NULL /* no associated data */, /* Reverse Call Setup Direction */
|
|
NULL, /* SETUP Container $(CCBS)$ */
|
|
NULL, /* Signal */
|
|
de_ss_ver_ind, /* SS Version Indicator */
|
|
NULL, /* User-user */
|
|
NULL, /* Alerting Pattern $(NIA)$ */
|
|
NULL, /* Allowed Actions $(CCBS)$ */
|
|
NULL, /* Stream Identifier */
|
|
NULL, /* Network Call Control Capabilities */
|
|
NULL, /* Cause of No CLI */
|
|
NULL, /* Immediate Modification Indicator */
|
|
NULL, /* Supported Codec List */
|
|
NULL, /* Service Category */
|
|
NULL, /* 10.5.4.34 Redial */
|
|
/* Short Message Service Information Elements [5] 8.1.4 */
|
|
de_cp_user_data, /* CP-User Data */
|
|
de_cp_cause, /* CP-Cause */
|
|
/* Tests procedures information elements 3GPP TS 44.014 6.4.0 and 3GPP TS 34.109 6.4.0 */
|
|
de_tp_sub_channel, /* Close TCH Loop Cmd Sub-channel */
|
|
de_tp_ack, /* Open Loop Cmd Ack */
|
|
de_tp_loop_type, /* Close Multi-slot Loop Cmd Loop type */
|
|
de_tp_loop_ack, /* Close Multi-slot Loop Ack Result */
|
|
de_tp_tested_device, /* Test Interface Tested device */
|
|
de_tp_pdu_description, /* GPRS Test Mode Cmd PDU description */
|
|
de_tp_mode_flag, /* GPRS Test Mode Cmd Mode flag */
|
|
de_tp_egprs_mode_flag, /* EGPRS Start Radio Block Loopback Cmd Mode flag */
|
|
de_tp_ue_test_loop_mode, /* Close UE Test Loop Mode */
|
|
de_tp_ue_positioning_technology, /* UE Positioning Technology */
|
|
de_tp_rlc_sdu_counter_value, /* RLC SDU Counter Value */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
/* MESSAGE FUNCTIONS */
|
|
|
|
/*
|
|
* [4] 9.2.2 Authentication request
|
|
*/
|
|
static void
|
|
dtap_mm_auth_req(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
guint8 oct;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
/*
|
|
* special dissection for Cipher Key Sequence Number
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_common_elem_strings[DE_CIPH_KEY_SEQ_NUM].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_common_elem[DE_CIPH_KEY_SEQ_NUM]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 0x07:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: No key is available",
|
|
a_bigbuf);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: %u",
|
|
a_bigbuf,
|
|
oct & 0x07);
|
|
break;
|
|
}
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
if (curr_len <= 0) return;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_AUTH_PARAM_RAND);
|
|
|
|
ELEM_OPT_TLV(0x20, GSM_A_PDU_TYPE_DTAP, DE_AUTH_PARAM_AUTN, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.2.3 Authentication response
|
|
*/
|
|
static void
|
|
dtap_mm_auth_resp(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_AUTH_RESP_PARAM);
|
|
|
|
ELEM_OPT_TLV(0x21, GSM_A_PDU_TYPE_DTAP, DE_AUTH_RESP_PARAM_EXT, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.2.3a Authentication Failure
|
|
*/
|
|
static void
|
|
dtap_mm_auth_fail(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE);
|
|
|
|
ELEM_OPT_TLV(0x22, GSM_A_PDU_TYPE_DTAP, DE_AUTH_FAIL_PARAM, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.4 CM Re-establishment request
|
|
*/
|
|
static void
|
|
dtap_mm_cm_reestab_req(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
guint8 oct;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
/*
|
|
* special dissection for Cipher Key Sequence Number
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_common_elem_strings[DE_CIPH_KEY_SEQ_NUM].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_common_elem[DE_CIPH_KEY_SEQ_NUM]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 0x07:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: No key is available",
|
|
a_bigbuf);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: %u",
|
|
a_bigbuf,
|
|
oct & 0x07);
|
|
break;
|
|
}
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
if (curr_len <= 0) return;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MS_CM_2, "");
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
ELEM_OPT_TV(0x13, GSM_A_PDU_TYPE_COMMON, DE_LAI, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.5a CM service prompt $(CCBS)
|
|
*/
|
|
static void
|
|
dtap_mm_cm_srvc_prompt(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_PD_SAPI);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.2.6 CM service reject
|
|
*/
|
|
static void
|
|
dtap_mm_cm_srvc_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.2.8 Abort
|
|
*/
|
|
static void
|
|
dtap_mm_abort(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.9 CM service request
|
|
*/
|
|
static void
|
|
dtap_mm_cm_srvc_req(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
guint8 oct;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
/*
|
|
* special dissection for CM Service Type
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_common_elem_strings[DE_CIPH_KEY_SEQ_NUM].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_common_elem[DE_CIPH_KEY_SEQ_NUM]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0x07:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: No key is available",
|
|
a_bigbuf);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: %u",
|
|
a_bigbuf,
|
|
(oct & 0x70) >> 4);
|
|
break;
|
|
}
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_dtap_elem_strings[DE_CM_SRVC_TYPE].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_dtap_elem[DE_CM_SRVC_TYPE]);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0x01: str = "Mobile originating call establishment or packet mode connection establishment"; break;
|
|
case 0x02: str = "Emergency call establishment"; break;
|
|
case 0x04: str = "Short message service"; break;
|
|
case 0x08: str = "Supplementary service activation"; break;
|
|
case 0x09: str = "Voice group call establishment"; break;
|
|
case 0x0a: str = "Voice broadcast call establishment"; break;
|
|
case 0x0b: str = "Location Services"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Service Type: (%u) %s",
|
|
a_bigbuf,
|
|
oct & 0x0f,
|
|
str);
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
if (curr_len <= 0) return;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MS_CM_2, "");
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
ELEM_OPT_TV_SHORT(0x80, GSM_A_PDU_TYPE_COMMON, DE_PRIO, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.10 Identity request
|
|
*/
|
|
static void
|
|
dtap_mm_id_req(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint8 oct;
|
|
guint32 curr_offset;
|
|
guint curr_len;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
/*
|
|
* special dissection for Identity Type
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_dtap_elem_strings[DE_ID_TYPE].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_dtap_elem[DE_ID_TYPE]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x07)
|
|
{
|
|
case 1: str = "IMSI"; break;
|
|
case 2: str = "IMEI"; break;
|
|
case 3: str = "IMEISV"; break;
|
|
case 4: str = "TMSI"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x07, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Type of identity: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.11 Identity response
|
|
*/
|
|
static void
|
|
dtap_mm_id_resp(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.12 IMSI detach indication
|
|
*/
|
|
static void
|
|
dtap_mm_imsi_det_ind(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_MS_CM_1);
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.13 Location updating accept
|
|
*/
|
|
static void
|
|
dtap_mm_loc_upd_acc(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_LAI);
|
|
|
|
ELEM_OPT_TLV(0x17, GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
ELEM_OPT_T(0xa1, GSM_A_PDU_TYPE_DTAP, DE_FOP, "");
|
|
|
|
/* CTS permission O T 1 10.5.3.10 */
|
|
ELEM_OPT_T(0xa2, GSM_A_PDU_TYPE_DTAP, DE_CTS_PERM, "");
|
|
|
|
/* PLMN list O TLV 5-47 10.5.1.13 */
|
|
ELEM_OPT_TLV(0x4a, GSM_A_PDU_TYPE_COMMON, DE_PLMN_LIST, " Equivalent");
|
|
|
|
/* 34 Emergency Number List O TLV 5-50 10.5.3.13 */
|
|
ELEM_OPT_TLV(0x34, GSM_A_PDU_TYPE_DTAP, DE_EMERGENCY_NUM_LIST, " Equivalent");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.14 Location updating reject
|
|
*/
|
|
static void
|
|
dtap_mm_loc_upd_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.15 Location updating request
|
|
*/
|
|
static void
|
|
dtap_mm_loc_upd_req(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
guint8 oct;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
/*
|
|
* special dissection for Location Updating Type
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_common_elem_strings[DE_CIPH_KEY_SEQ_NUM].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_common_elem[DE_CIPH_KEY_SEQ_NUM]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x80, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x70, 8);
|
|
|
|
switch ((oct & 0x70) >> 4)
|
|
{
|
|
case 0x07:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: No key is available",
|
|
a_bigbuf);
|
|
break;
|
|
|
|
default:
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Ciphering Key Sequence Number: %u",
|
|
a_bigbuf,
|
|
(oct & 0x70) >> 4);
|
|
break;
|
|
}
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_dtap_elem_strings[DE_LOC_UPD_TYPE].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_dtap_elem[DE_LOC_UPD_TYPE]);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x08, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Follow-On Request (FOR): %s",
|
|
a_bigbuf,
|
|
(oct & 0x08) ? "Follow-on request pending" : "No follow-on request pending");
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x04, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
switch (oct & 0x03)
|
|
{
|
|
case 0: str = "Normal"; break;
|
|
case 1: str = "Periodic"; break;
|
|
case 2: str = "IMSI attach"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x03, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Updating Type: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
proto_item_append_text(item, " - %s", str);
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
if (curr_len <= 0) return;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_LAI);
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_MS_CM_1);
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
ELEM_OPT_TLV(0x33, GSM_A_PDU_TYPE_COMMON, DE_MS_CM_2, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
|
|
/*
|
|
* [4] 9.2.15a MM information
|
|
*/
|
|
void
|
|
dtap_mm_mm_info(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TLV(0x43, GSM_A_PDU_TYPE_DTAP, DE_NETWORK_NAME, " - Full Name");
|
|
|
|
ELEM_OPT_TLV(0x45, GSM_A_PDU_TYPE_DTAP, DE_NETWORK_NAME, " - Short Name");
|
|
|
|
ELEM_OPT_TV(0x46, GSM_A_PDU_TYPE_DTAP, DE_TIME_ZONE, " - Local");
|
|
|
|
ELEM_OPT_TV(0x47, GSM_A_PDU_TYPE_DTAP, DE_TIME_ZONE_TIME, " - Universal Time and Local Time Zone");
|
|
|
|
ELEM_OPT_TLV(0x48, GSM_A_PDU_TYPE_DTAP, DE_LSA_ID, "");
|
|
|
|
ELEM_OPT_TLV(0x49, GSM_A_PDU_TYPE_DTAP, DE_DAY_SAVING_TIME, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.2.16 MM Status
|
|
*/
|
|
static void
|
|
dtap_mm_mm_status(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_REJ_CAUSE);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [3] 9.2.17 TMSI reallocation command
|
|
*/
|
|
static void
|
|
dtap_mm_tmsi_realloc_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_COMMON, DE_LAI);
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
/*
|
|
* 9.2.18 TMSI reallocation complete
|
|
* No data
|
|
*/
|
|
|
|
/*
|
|
* 9.2.19 MM Null
|
|
* No data
|
|
*/
|
|
|
|
/*
|
|
* [4] 9.3.1 Alerting
|
|
*/
|
|
static void
|
|
dtap_cc_alerting(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x1e, GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.2 Call confirmed
|
|
*/
|
|
static void
|
|
dtap_cc_call_conf(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " BC repeat indicator");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 1");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 2");
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x15, GSM_A_PDU_TYPE_DTAP, DE_CC_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x2d, GSM_A_PDU_TYPE_DTAP, DE_SI, "");
|
|
|
|
ELEM_OPT_TLV(0x40, GSM_A_PDU_TYPE_DTAP, DE_SUP_CODEC_LIST, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.3 Call proceeding
|
|
*/
|
|
static void
|
|
dtap_cc_call_proceed(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " BC repeat indicator");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 1");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 2");
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x1e, GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TV_SHORT(0x80, GSM_A_PDU_TYPE_COMMON, DE_PRIO, "");
|
|
|
|
ELEM_OPT_TLV(0x2f, GSM_A_PDU_TYPE_DTAP, DE_NET_CC_CAP, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.4 Congestion control
|
|
*/
|
|
static void
|
|
dtap_cc_congestion_control(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
guint8 oct;
|
|
proto_tree *subtree;
|
|
proto_item *item;
|
|
const gchar *str;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
/*
|
|
* special dissection for Congestion Level
|
|
*/
|
|
oct = tvb_get_guint8(tvb, curr_offset);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0xf0, 8);
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Spare",
|
|
a_bigbuf);
|
|
|
|
item =
|
|
proto_tree_add_text(tree,
|
|
tvb, curr_offset, 1, "%s",
|
|
gsm_dtap_elem_strings[DE_CONGESTION].strptr);
|
|
|
|
subtree = proto_item_add_subtree(item, ett_gsm_dtap_elem[DE_CONGESTION]);
|
|
|
|
switch (oct & 0x0f)
|
|
{
|
|
case 0: str = "Receiver ready"; break;
|
|
case 15: str = "Receiver not ready"; break;
|
|
default:
|
|
str = "Reserved";
|
|
break;
|
|
}
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct, 0x0f, 8);
|
|
proto_tree_add_text(subtree,
|
|
tvb, curr_offset, 1,
|
|
"%s : Congestion level: %s",
|
|
a_bigbuf,
|
|
str);
|
|
|
|
curr_offset++;
|
|
curr_len--;
|
|
|
|
if (curr_len <= 0) return;
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.5 Connect
|
|
*/
|
|
static void
|
|
dtap_cc_connect(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x1e, GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TLV(0x4c, GSM_A_PDU_TYPE_DTAP, DE_CONN_NUM, "");
|
|
|
|
ELEM_OPT_TLV(0x4d, GSM_A_PDU_TYPE_DTAP, DE_CONN_SUB_ADDR, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
ELEM_OPT_TLV(0x2d, GSM_A_PDU_TYPE_DTAP, DE_SI, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.7 Disconnect
|
|
*/
|
|
static void
|
|
dtap_cc_disconnect(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x1e, GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
ELEM_OPT_TLV(0x7b, GSM_A_PDU_TYPE_DTAP, DE_ALLOWED_ACTIONS, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.8 Emergency setup
|
|
*/
|
|
static void
|
|
dtap_cc_emerg_setup(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x2d, GSM_A_PDU_TYPE_DTAP, DE_SI, "");
|
|
|
|
ELEM_OPT_TLV(0x40, GSM_A_PDU_TYPE_DTAP, DE_SUP_CODEC_LIST, "");
|
|
|
|
ELEM_OPT_TLV(0x2e, GSM_A_PDU_TYPE_DTAP, DE_SRVC_CAT, " Emergency");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.9 Facility
|
|
*/
|
|
static void
|
|
dtap_cc_facility(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
/*
|
|
* 9.3.10 Hold
|
|
* No data
|
|
*/
|
|
/*
|
|
* 9.3.11 Hold Acknowledge
|
|
*/
|
|
/*
|
|
* [4] 9.3.12 Hold Reject
|
|
*/
|
|
static void
|
|
dtap_cc_hold_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.13 Modify
|
|
*/
|
|
static void
|
|
dtap_cc_modify(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x7c, GSM_A_PDU_TYPE_DTAP, DE_LLC, "");
|
|
|
|
ELEM_OPT_TLV(0x7d, GSM_A_PDU_TYPE_DTAP, DE_HLC, "");
|
|
|
|
ELEM_OPT_T(0xa3, GSM_A_PDU_TYPE_DTAP, DE_REV_CALL_SETUP_DIR, "");
|
|
|
|
ELEM_OPT_T(0xa4, GSM_A_PDU_TYPE_DTAP, DE_IMM_MOD_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.14 Modify complete
|
|
*/
|
|
static void
|
|
dtap_cc_modify_complete(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x7c, GSM_A_PDU_TYPE_DTAP, DE_LLC, "");
|
|
|
|
ELEM_OPT_TLV(0x7d, GSM_A_PDU_TYPE_DTAP, DE_HLC, "");
|
|
|
|
ELEM_OPT_T(0xa3, GSM_A_PDU_TYPE_DTAP, DE_REV_CALL_SETUP_DIR, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.15 Modify reject
|
|
*/
|
|
static void
|
|
dtap_cc_modify_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, "");
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x7c, GSM_A_PDU_TYPE_DTAP, DE_LLC, "");
|
|
|
|
ELEM_OPT_TLV(0x7d, GSM_A_PDU_TYPE_DTAP, DE_HLC, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.16 Notify
|
|
*/
|
|
static void
|
|
dtap_cc_notify(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_NOT_IND);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.17 Progress
|
|
*/
|
|
static void
|
|
dtap_cc_progress(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.17a CC-Establishment $(CCBS)$
|
|
*/
|
|
static void
|
|
dtap_cc_cc_est(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_SETUP_CONTAINER, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.17b CC-Establishment confirmed $(CCBS)$
|
|
*/
|
|
static void
|
|
dtap_cc_cc_est_conf(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " Repeat indicator");
|
|
|
|
ELEM_MAND_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 1");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 2");
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x40, GSM_A_PDU_TYPE_DTAP, DE_SUP_CODEC_LIST, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.18 Release
|
|
*/
|
|
static void
|
|
dtap_cc_release(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, " 2");
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.18a Recall $(CCBS)$
|
|
*/
|
|
static void
|
|
dtap_cc_recall(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_RECALL_TYPE);
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.19 Release complete
|
|
*/
|
|
static void
|
|
dtap_cc_release_complete(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_OPT_TLV(0x08, GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.22 Retrieve
|
|
*/
|
|
static void
|
|
dtap_cc_retrieve_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* 9.3.21 Retrieve Acknowledge
|
|
* No data
|
|
*/
|
|
/*
|
|
* 9.3.22 Retrieve Reject
|
|
* No data
|
|
*/
|
|
/*
|
|
* [4] 9.3.23 Setup
|
|
* 3GPP TS 24.008 version 7.5.0 Release 7
|
|
*/
|
|
static void
|
|
dtap_cc_setup(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " BC repeat indicator");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 1");
|
|
|
|
ELEM_OPT_TLV(0x04, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, " 2");
|
|
|
|
ELEM_OPT_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x1e, GSM_A_PDU_TYPE_DTAP, DE_PROG_IND, "");
|
|
|
|
ELEM_OPT_TV(0x34, GSM_A_PDU_TYPE_DTAP, DE_SIGNAL, "");
|
|
|
|
ELEM_OPT_TLV(0x5c, GSM_A_PDU_TYPE_DTAP, DE_CLG_PARTY_BCD_NUM, "");
|
|
|
|
ELEM_OPT_TLV(0x5d, GSM_A_PDU_TYPE_DTAP, DE_CLG_PARTY_SUB_ADDR, "");
|
|
|
|
ELEM_OPT_TLV(0x5e, GSM_A_PDU_TYPE_DTAP, DE_CLD_PARTY_BCD_NUM, "");
|
|
|
|
ELEM_OPT_TLV(0x6d, GSM_A_PDU_TYPE_DTAP, DE_CLD_PARTY_SUB_ADDR, "");
|
|
|
|
ELEM_OPT_TLV(0x74, GSM_A_PDU_TYPE_DTAP, DE_RED_PARTY_BCD_NUM, "");
|
|
|
|
ELEM_OPT_TLV(0x75, GSM_A_PDU_TYPE_DTAP, DE_RED_PARTY_SUB_ADDR, "");
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " LLC repeat indicator");
|
|
|
|
ELEM_OPT_TLV(0x7c, GSM_A_PDU_TYPE_DTAP, DE_LLC, " 1");
|
|
|
|
ELEM_OPT_TLV(0x7c, GSM_A_PDU_TYPE_DTAP, DE_LLC, " 2");
|
|
|
|
ELEM_OPT_TV_SHORT(0xd0, GSM_A_PDU_TYPE_DTAP, DE_REPEAT_IND, " HLC repeat indicator");
|
|
|
|
ELEM_OPT_TLV(0x7d, GSM_A_PDU_TYPE_DTAP, DE_HLC, " 1");
|
|
|
|
ELEM_OPT_TLV(0x7d, GSM_A_PDU_TYPE_DTAP, DE_HLC, " 2");
|
|
|
|
ELEM_OPT_TLV(0x7e, GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
/* downlink only */
|
|
|
|
ELEM_OPT_TV_SHORT(0x80, GSM_A_PDU_TYPE_COMMON, DE_PRIO, "");
|
|
|
|
ELEM_OPT_TLV(0x19, GSM_A_PDU_TYPE_DTAP, DE_ALERT_PATTERN, "");
|
|
|
|
ELEM_OPT_TLV(0x2f, GSM_A_PDU_TYPE_DTAP, DE_NET_CC_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x3a, GSM_A_PDU_TYPE_DTAP, DE_CAUSE_NO_CLI, "");
|
|
|
|
/* Backup bearer capability O TLV 3-15 10.5.4.4a */
|
|
ELEM_OPT_TLV(0x41, GSM_A_PDU_TYPE_DTAP, DE_BEARER_CAP, "");
|
|
|
|
/* uplink only */
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
ELEM_OPT_T(0xa1, GSM_A_PDU_TYPE_DTAP, DE_CLIR_SUP, "");
|
|
|
|
ELEM_OPT_T(0xa2, GSM_A_PDU_TYPE_DTAP, DE_CLIR_INV, "");
|
|
|
|
ELEM_OPT_TLV(0x15, GSM_A_PDU_TYPE_DTAP, DE_CC_CAP, "");
|
|
|
|
ELEM_OPT_TLV(0x1d, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, " $(CCBS)$ (advanced recall alignment)");
|
|
|
|
ELEM_OPT_TLV(0x1b, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, " (recall alignment Not essential) $(CCBS)$");
|
|
|
|
ELEM_OPT_TLV(0x2d, GSM_A_PDU_TYPE_DTAP, DE_SI, "");
|
|
|
|
ELEM_OPT_TLV(0x40, GSM_A_PDU_TYPE_DTAP, DE_SUP_CODEC_LIST, "");
|
|
|
|
/*A3 Redial O T 1 10.5.4.34 */
|
|
ELEM_OPT_T(0xA3, GSM_A_PDU_TYPE_DTAP, DE_REDIAL, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.23a Start CC $(CCBS)$
|
|
*/
|
|
static void
|
|
dtap_cc_start_cc(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_OPT_TLV(0x15, GSM_A_PDU_TYPE_DTAP, DE_CC_CAP, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.24 Start DTMF
|
|
*/
|
|
static void
|
|
dtap_cc_start_dtmf(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_TV(0x2c, GSM_A_PDU_TYPE_DTAP, DE_KEYPAD_FACILITY, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.25 Start DTMF Acknowledge
|
|
*/
|
|
static void
|
|
dtap_cc_start_dtmf_ack(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_TV(0x2c, GSM_A_PDU_TYPE_DTAP, DE_KEYPAD_FACILITY, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.26 Start DTMF reject
|
|
*/
|
|
static void
|
|
dtap_cc_start_dtmf_rej(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [4] 9.3.27 Status
|
|
*/
|
|
static void
|
|
dtap_cc_status(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_FALSE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CAUSE, "");
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_CALL_STATE);
|
|
|
|
ELEM_OPT_TLV(0x24, GSM_A_PDU_TYPE_DTAP, DE_AUX_STATES, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
/*
|
|
* 9.3.28 Status enquiry
|
|
* No data
|
|
*/
|
|
/*
|
|
* 9.3.29 Stop DTMF
|
|
* No data
|
|
*/
|
|
/*
|
|
* Stop DTMF acknowledge
|
|
* No data
|
|
*/
|
|
/*
|
|
* [4] 9.3.31 User information
|
|
*/
|
|
static void
|
|
dtap_cc_user_info(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_USER_USER, "");
|
|
|
|
ELEM_OPT_T(0xa0, GSM_A_PDU_TYPE_DTAP, DE_MORE_DATA, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* 3GPP TS 24.080
|
|
* [6] 2.4.2
|
|
*/
|
|
static void
|
|
dtap_ss_register(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_TLV(0x1c, GSM_A_PDU_TYPE_DTAP, DE_FACILITY, "");
|
|
|
|
ELEM_OPT_TLV(0x7f, GSM_A_PDU_TYPE_DTAP, DE_SS_VER_IND, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* 3GPP TS 24.011
|
|
* [5] 7.2.1
|
|
*/
|
|
static void
|
|
dtap_sms_cp_data(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_LV(GSM_A_PDU_TYPE_DTAP, DE_CP_USER_DATA, "");
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
/*
|
|
* [5] 7.2.3
|
|
*/
|
|
static void
|
|
dtap_sms_cp_error(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_offset = offset;
|
|
curr_len = len;
|
|
|
|
is_uplink = IS_UPLINK_TRUE;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_CP_CAUSE);
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_close_tch_loop_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_SUB_CHANNEL );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_open_loop_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
if (curr_len)
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_ACK );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_multi_slot_loop_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_LOOP_TYPE );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_multi_slot_loop_ack(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_LOOP_ACK );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_test_interface(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_TESTED_DEVICE );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_gprs_test_mode_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_PDU_DESCRIPTION );
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_MODE_FLAG );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_egprs_start_radio_block_loopback_cmd(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_EGPRS_MODE_FLAG );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_close_ue_test_loop(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_UE_TEST_LOOP_MODE );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_reset_ue_positioning_ue_stored_information(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_UE_POSITIONING_TECHNOLOGY );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
static void
|
|
dtap_tp_ue_test_loop_mode_3_rlc_sdu_counter_response(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len)
|
|
{
|
|
guint32 curr_offset;
|
|
guint32 consumed;
|
|
guint curr_len;
|
|
|
|
curr_len = len;
|
|
curr_offset = offset;
|
|
|
|
ELEM_MAND_V(GSM_A_PDU_TYPE_DTAP, DE_TP_RLC_SDU_COUNTER_VALUE );
|
|
|
|
EXTRANEOUS_DATA_CHECK(curr_len, 0);
|
|
}
|
|
|
|
#define NUM_GSM_DTAP_MSG_MM (sizeof(gsm_a_dtap_msg_mm_strings)/sizeof(value_string))
|
|
static gint ett_gsm_dtap_msg_mm[NUM_GSM_DTAP_MSG_MM];
|
|
static void (*dtap_msg_mm_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len) = {
|
|
dtap_mm_imsi_det_ind, /* IMSI Detach Indication */
|
|
dtap_mm_loc_upd_acc, /* Location Updating Accept */
|
|
dtap_mm_loc_upd_rej, /* Location Updating Reject */
|
|
dtap_mm_loc_upd_req, /* Location Updating Request */
|
|
NULL /* no associated data */, /* Authentication Reject */
|
|
dtap_mm_auth_req, /* Authentication Request */
|
|
dtap_mm_auth_resp, /* Authentication Response */
|
|
dtap_mm_auth_fail, /* Authentication Failure */
|
|
dtap_mm_id_req, /* Identity Request */
|
|
dtap_mm_id_resp, /* Identity Response */
|
|
dtap_mm_tmsi_realloc_cmd, /* TMSI Reallocation Command */
|
|
NULL /* no associated data */, /* TMSI Reallocation Complete */
|
|
NULL /* no associated data */, /* CM Service Accept */
|
|
dtap_mm_cm_srvc_rej, /* CM Service Reject */
|
|
NULL /* no associated data */, /* CM Service Abort */
|
|
dtap_mm_cm_srvc_req, /* CM Service Request */
|
|
dtap_mm_cm_srvc_prompt, /* CM Service Prompt */
|
|
NULL, /* Reserved: was allocated in earlier phases of the protocol */
|
|
dtap_mm_cm_reestab_req, /* CM Re-establishment Request */
|
|
dtap_mm_abort, /* Abort */
|
|
NULL /* no associated data */, /* MM Null */
|
|
dtap_mm_mm_status, /* MM Status */
|
|
dtap_mm_mm_info, /* MM Information */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
#define NUM_GSM_DTAP_MSG_CC (sizeof(gsm_a_dtap_msg_cc_strings)/sizeof(value_string))
|
|
static gint ett_gsm_dtap_msg_cc[NUM_GSM_DTAP_MSG_CC];
|
|
static void (*dtap_msg_cc_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len) = {
|
|
dtap_cc_alerting, /* Alerting */
|
|
dtap_cc_call_conf, /* Call Confirmed */
|
|
dtap_cc_call_proceed, /* Call Proceeding */
|
|
dtap_cc_connect, /* Connect */
|
|
NULL /* no associated data */, /* Connect Acknowledge */
|
|
dtap_cc_emerg_setup, /* Emergency Setup */
|
|
dtap_cc_progress, /* Progress */
|
|
dtap_cc_cc_est, /* CC-Establishment */
|
|
dtap_cc_cc_est_conf, /* CC-Establishment Confirmed */
|
|
dtap_cc_recall, /* Recall */
|
|
dtap_cc_start_cc, /* Start CC */
|
|
dtap_cc_setup, /* Setup */
|
|
dtap_cc_modify, /* Modify */
|
|
dtap_cc_modify_complete, /* Modify Complete */
|
|
dtap_cc_modify_rej, /* Modify Reject */
|
|
dtap_cc_user_info, /* User Information */
|
|
NULL /* no associated data */, /* Hold */
|
|
NULL /* no associated data */, /* Hold Acknowledge */
|
|
dtap_cc_hold_rej, /* Hold Reject */
|
|
NULL /* no associated data */, /* Retrieve */
|
|
NULL /* no associated data */, /* Retrieve Acknowledge */
|
|
dtap_cc_retrieve_rej, /* Retrieve Reject */
|
|
dtap_cc_disconnect, /* Disconnect */
|
|
dtap_cc_release, /* Release */
|
|
dtap_cc_release_complete, /* Release Complete */
|
|
dtap_cc_congestion_control, /* Congestion Control */
|
|
dtap_cc_notify, /* Notify */
|
|
dtap_cc_status, /* Status */
|
|
NULL /* no associated data */, /* Status Enquiry */
|
|
dtap_cc_start_dtmf, /* Start DTMF */
|
|
NULL /* no associated data */, /* Stop DTMF */
|
|
NULL /* no associated data */, /* Stop DTMF Acknowledge */
|
|
dtap_cc_start_dtmf_ack, /* Start DTMF Acknowledge */
|
|
dtap_cc_start_dtmf_rej, /* Start DTMF Reject */
|
|
dtap_cc_facility, /* Facility */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
#define NUM_GSM_DTAP_MSG_SMS (sizeof(gsm_a_dtap_msg_sms_strings)/sizeof(value_string))
|
|
static gint ett_gsm_dtap_msg_sms[NUM_GSM_DTAP_MSG_SMS];
|
|
static void (*dtap_msg_sms_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len) = {
|
|
dtap_sms_cp_data, /* CP-DATA */
|
|
NULL /* no associated data */, /* CP-ACK */
|
|
dtap_sms_cp_error, /* CP-ERROR */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
#define NUM_GSM_DTAP_MSG_SS (sizeof(gsm_a_dtap_msg_ss_strings)/sizeof(value_string))
|
|
static gint ett_gsm_dtap_msg_ss[NUM_GSM_DTAP_MSG_SS];
|
|
static void (*dtap_msg_ss_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len) = {
|
|
dtap_cc_release_complete, /* Release Complete */
|
|
dtap_cc_facility, /* Facility */
|
|
dtap_ss_register, /* Register */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
#define NUM_GSM_DTAP_MSG_TP (sizeof(gsm_a_dtap_msg_tp_strings)/sizeof(value_string))
|
|
static gint ett_gsm_dtap_msg_tp[NUM_GSM_DTAP_MSG_TP];
|
|
static void (*dtap_msg_tp_fcn[])(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len) = {
|
|
dtap_tp_close_tch_loop_cmd, /* CLOSE TCH LOOP CMD */
|
|
NULL, /* CLOSE TCH LOOP ACK */
|
|
dtap_tp_open_loop_cmd, /* OPEN LOOP CMD */
|
|
NULL, /* ACT EMMI CMD */
|
|
NULL, /* ACT EMMI ACK */
|
|
NULL, /* DEACT EMMI */
|
|
dtap_tp_test_interface, /* Test Interface */
|
|
dtap_tp_multi_slot_loop_cmd, /* CLOSE Multi-slot LOOP CMD */
|
|
dtap_tp_multi_slot_loop_ack, /* CLOSE Multi-slot LOOP ACK */
|
|
NULL, /* OPEN Multi-slot LOOP CMD */
|
|
NULL, /* OPEN Multi-slot LOOP ACK */
|
|
dtap_tp_gprs_test_mode_cmd, /* GPRS TEST MODE CMD */
|
|
dtap_tp_egprs_start_radio_block_loopback_cmd, /* EGPRS START RADIO BLOCK LOOPBACK CMD */
|
|
dtap_tp_close_ue_test_loop, /* CLOSE UE TEST LOOP */
|
|
NULL, /* CLOSE UE TEST LOOP COMPLETE */
|
|
NULL, /* OPEN UE TEST LOOP */
|
|
NULL, /* OPEN UE TEST LOOP COMPLETE */
|
|
NULL, /* ACTIVATE RB TEST MODE */
|
|
NULL, /* ACTIVATE RB TEST MODE COMPLETE */
|
|
NULL, /* DEACTIVATE RB TEST MODE */
|
|
NULL, /* DEACTIVATE RB TEST MODE COMPLETE */
|
|
dtap_tp_reset_ue_positioning_ue_stored_information, /* RESET UE POSITIONING STORED INFORMATION */
|
|
NULL, /* UE Test Loop Mode 3 RLC SDU Counter Request */
|
|
dtap_tp_ue_test_loop_mode_3_rlc_sdu_counter_response, /* UE Test Loop Mode 3 RLC SDU Counter Response */
|
|
NULL, /* NONE */
|
|
};
|
|
|
|
/* GENERIC DISSECTOR FUNCTIONS */
|
|
|
|
static void
|
|
dissect_dtap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
static gsm_a_tap_rec_t tap_rec[4];
|
|
static gsm_a_tap_rec_t *tap_p;
|
|
static guint tap_current=0;
|
|
void (*msg_fcn)(tvbuff_t *tvb, proto_tree *tree, guint32 offset, guint len);
|
|
guint8 oct;
|
|
guint8 pd;
|
|
guint32 offset;
|
|
guint32 len;
|
|
guint32 oct_1, oct_2;
|
|
gint idx;
|
|
proto_item *dtap_item = NULL;
|
|
proto_tree *dtap_tree = NULL;
|
|
proto_item *oct_1_item = NULL;
|
|
proto_tree *pd_tree = NULL;
|
|
const gchar *msg_str;
|
|
gint ett_tree;
|
|
gint ti;
|
|
int hf_idx;
|
|
gboolean nsd;
|
|
|
|
|
|
len = tvb_length(tvb);
|
|
|
|
if (len < 2)
|
|
{
|
|
/*
|
|
* too short to be DTAP
|
|
*/
|
|
call_dissector(data_handle, tvb, pinfo, tree);
|
|
return;
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_str(pinfo->cinfo, COL_INFO, "(DTAP) ");
|
|
}
|
|
|
|
/*
|
|
* set tap record pointer
|
|
*/
|
|
tap_current++;
|
|
if (tap_current >= 4)
|
|
{
|
|
tap_current = 0;
|
|
}
|
|
tap_p = &tap_rec[tap_current];
|
|
|
|
|
|
offset = 0;
|
|
oct_2 = 0;
|
|
|
|
gsm_a_dtap_pinfo = pinfo;
|
|
g_tree = tree;
|
|
|
|
/*
|
|
* get protocol discriminator
|
|
*/
|
|
oct_1 = tvb_get_guint8(tvb, offset++);
|
|
|
|
if ((((oct_1 & DTAP_TI_MASK) >> 4) & DTAP_TIE_PRES_MASK) == DTAP_TIE_PRES_MASK)
|
|
{
|
|
/*
|
|
* eventhough we don't know if a TI should be in the message yet
|
|
* we rely on the TI/SKIP indicator to be 0 to avoid taking this
|
|
* octet
|
|
*/
|
|
oct_2 = tvb_get_guint8(tvb, offset++);
|
|
}
|
|
|
|
oct = tvb_get_guint8(tvb, offset);
|
|
|
|
pd = oct_1 & DTAP_PD_MASK;
|
|
ti = -1;
|
|
msg_str = NULL;
|
|
ett_tree = -1;
|
|
hf_idx = -1;
|
|
msg_fcn = NULL;
|
|
nsd = FALSE;
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ",val_to_str(pd,gsm_a_pd_short_str_vals,"unknown"));
|
|
}
|
|
|
|
/*
|
|
* octet 1
|
|
*/
|
|
switch (pd)
|
|
{
|
|
case 3:
|
|
msg_str = match_strval_idx((guint32) (oct & DTAP_CC_IEI_MASK), gsm_a_dtap_msg_cc_strings, &idx);
|
|
ett_tree = ett_gsm_dtap_msg_cc[idx];
|
|
hf_idx = hf_gsm_a_dtap_msg_cc_type;
|
|
msg_fcn = dtap_msg_cc_fcn[idx];
|
|
ti = (oct_1 & DTAP_TI_MASK) >> 4;
|
|
nsd = TRUE;
|
|
break;
|
|
|
|
case 5:
|
|
msg_str = match_strval_idx((guint32) (oct & DTAP_MM_IEI_MASK), gsm_a_dtap_msg_mm_strings, &idx);
|
|
ett_tree = ett_gsm_dtap_msg_mm[idx];
|
|
hf_idx = hf_gsm_a_dtap_msg_mm_type;
|
|
msg_fcn = dtap_msg_mm_fcn[idx];
|
|
nsd = TRUE;
|
|
break;
|
|
|
|
case 6:
|
|
get_rr_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn);
|
|
break;
|
|
|
|
case 8:
|
|
get_gmm_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn);
|
|
break;
|
|
|
|
case 9:
|
|
msg_str = match_strval_idx((guint32) (oct & DTAP_SMS_IEI_MASK), gsm_a_dtap_msg_sms_strings, &idx);
|
|
ett_tree = ett_gsm_dtap_msg_sms[idx];
|
|
hf_idx = hf_gsm_a_dtap_msg_sms_type;
|
|
msg_fcn = dtap_msg_sms_fcn[idx];
|
|
ti = (oct_1 & DTAP_TI_MASK) >> 4;
|
|
break;
|
|
|
|
case 10:
|
|
get_sm_msg_params(oct, &msg_str, &ett_tree, &hf_idx, &msg_fcn);
|
|
ti = (oct_1 & DTAP_TI_MASK) >> 4;
|
|
break;
|
|
|
|
case 11:
|
|
msg_str = match_strval_idx((guint32) (oct & DTAP_SS_IEI_MASK), gsm_a_dtap_msg_ss_strings, &idx);
|
|
ett_tree = ett_gsm_dtap_msg_ss[idx];
|
|
hf_idx = hf_gsm_a_dtap_msg_ss_type;
|
|
msg_fcn = dtap_msg_ss_fcn[idx];
|
|
ti = (oct_1 & DTAP_TI_MASK) >> 4;
|
|
nsd = TRUE;
|
|
break;
|
|
|
|
case 15:
|
|
msg_str = match_strval_idx((guint32) (oct & DTAP_TP_IEI_MASK), gsm_a_dtap_msg_tp_strings, &idx);
|
|
ett_tree = ett_gsm_dtap_msg_tp[idx];
|
|
hf_idx = hf_gsm_a_dtap_msg_tp_type;
|
|
msg_fcn = dtap_msg_tp_fcn[idx];
|
|
ti = (oct_1 & DTAP_TI_MASK) >> 4;
|
|
nsd = TRUE;
|
|
break;
|
|
|
|
default:
|
|
/* XXX - hf_idx is still -1! this is a bug in the implementation, and I don't know how to fix it so simple return here */
|
|
return;
|
|
}
|
|
|
|
sccp_msg = pinfo->sccp_info;
|
|
|
|
if (sccp_msg && sccp_msg->data.co.assoc) {
|
|
sccp_assoc = sccp_msg->data.co.assoc;
|
|
} else {
|
|
sccp_assoc = NULL;
|
|
sccp_msg = NULL;
|
|
}
|
|
|
|
/*
|
|
* create the protocol tree
|
|
*/
|
|
if (msg_str == NULL)
|
|
{
|
|
dtap_item =
|
|
proto_tree_add_protocol_format(tree, proto_a_dtap, tvb, 0, len,
|
|
"GSM A-I/F DTAP - Unknown DTAP Message Type (0x%02x)",
|
|
oct);
|
|
|
|
dtap_tree = proto_item_add_subtree(dtap_item, ett_dtap_msg);
|
|
|
|
if (sccp_msg && !sccp_msg->data.co.label) {
|
|
sccp_msg->data.co.label = se_strdup_printf("DTAP (0x%02x)",oct);
|
|
}
|
|
|
|
|
|
}
|
|
else
|
|
{
|
|
dtap_item =
|
|
proto_tree_add_protocol_format(tree, proto_a_dtap, tvb, 0, -1,
|
|
"GSM A-I/F DTAP - %s",
|
|
msg_str);
|
|
|
|
dtap_tree = proto_item_add_subtree(dtap_item, ett_tree);
|
|
|
|
if (sccp_msg && !sccp_msg->data.co.label) {
|
|
sccp_msg->data.co.label = se_strdup(msg_str);
|
|
}
|
|
|
|
if (check_col(pinfo->cinfo, COL_INFO))
|
|
{
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", msg_str);
|
|
}
|
|
}
|
|
|
|
oct_1_item =
|
|
proto_tree_add_text(dtap_tree,
|
|
tvb, 0, 1,
|
|
"Protocol Discriminator: %s",
|
|
val_to_str(pd, protocol_discriminator_vals, "Unknown (%u)"));
|
|
|
|
pd_tree = proto_item_add_subtree(oct_1_item, ett_dtap_oct_1);
|
|
|
|
if (ti == -1)
|
|
{
|
|
proto_tree_add_item(pd_tree, hf_gsm_a_skip_ind, tvb, 0, 1, FALSE);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct_1, 0x80, 8);
|
|
proto_tree_add_text(pd_tree,
|
|
tvb, 0, 1,
|
|
"%s : TI flag: %s",
|
|
a_bigbuf,
|
|
((oct_1 & 0x80) ? "allocated by receiver" : "allocated by sender"));
|
|
|
|
if ((ti & DTAP_TIE_PRES_MASK) == DTAP_TIE_PRES_MASK)
|
|
{
|
|
/* ti is extended to next octet */
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct_1, 0x70, 8);
|
|
proto_tree_add_text(pd_tree,
|
|
tvb, 0, 1,
|
|
"%s : TIO: The TI value is given by the TIE in octet 2",
|
|
a_bigbuf);
|
|
}
|
|
else
|
|
{
|
|
other_decode_bitfield_value(a_bigbuf, oct_1, 0x70, 8);
|
|
proto_tree_add_text(pd_tree,
|
|
tvb, 0, 1,
|
|
"%s : TIO: %u",
|
|
a_bigbuf,
|
|
ti & DTAP_TIE_PRES_MASK);
|
|
}
|
|
}
|
|
|
|
proto_tree_add_item(pd_tree, hf_gsm_a_L3_protocol_discriminator, tvb, 0, 1, FALSE);
|
|
|
|
if ((ti != -1) &&
|
|
(ti & DTAP_TIE_PRES_MASK) == DTAP_TIE_PRES_MASK)
|
|
{
|
|
proto_tree_add_item(tree, hf_gsm_a_extension, tvb, 1, 1, FALSE);
|
|
|
|
other_decode_bitfield_value(a_bigbuf, oct_2, DTAP_TIE_MASK, 8);
|
|
proto_tree_add_text(pd_tree,
|
|
tvb, 1, 1,
|
|
"%s : TIE: %u",
|
|
a_bigbuf,
|
|
oct_2 & DTAP_TIE_MASK);
|
|
}
|
|
|
|
/*
|
|
* N(SD)
|
|
*/
|
|
if ((pinfo->p2p_dir == P2P_DIR_RECV) &&
|
|
nsd)
|
|
{
|
|
/* XXX */
|
|
}
|
|
/* In case of Mobility Management and Call Control and Call related SS messages
|
|
* bit 7 and 8 is sequence number
|
|
*/
|
|
if((pd==5)||(pd==3)){
|
|
proto_tree_add_item(dtap_tree, hf_gsm_a_seq_no, tvb, offset, 1, FALSE);
|
|
}
|
|
/*
|
|
* add DTAP message name
|
|
*/
|
|
proto_tree_add_item(dtap_tree, hf_idx, tvb, offset, 1, FALSE);
|
|
offset++;
|
|
|
|
tap_p->pdu_type = GSM_A_PDU_TYPE_DTAP;
|
|
tap_p->message_type = (nsd ? (oct & 0x3f) : oct);
|
|
tap_p->protocol_disc = pd;
|
|
|
|
tap_queue_packet(gsm_a_tap, pinfo, tap_p);
|
|
|
|
if (msg_str == NULL) return;
|
|
|
|
if ((len - offset) <= 0) return;
|
|
|
|
/*
|
|
* decode elements
|
|
*/
|
|
if (msg_fcn == NULL)
|
|
{
|
|
proto_tree_add_text(dtap_tree,
|
|
tvb, offset, len - offset,
|
|
"Message Elements");
|
|
}
|
|
else
|
|
{
|
|
(*msg_fcn)(tvb, dtap_tree, offset, len - offset);
|
|
}
|
|
}
|
|
|
|
|
|
/* Register the protocol with Wireshark */
|
|
void
|
|
proto_register_gsm_a_dtap(void)
|
|
{
|
|
guint i;
|
|
guint last_offset;
|
|
|
|
/* Setup list of header fields */
|
|
|
|
static hf_register_info hf[] =
|
|
{
|
|
{ &hf_gsm_a_seq_no,
|
|
{ "Sequence number", "gsm_a.dtap_seq_no",
|
|
FT_UINT8, BASE_DEC, NULL, 0xc0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_msg_mm_type,
|
|
{ "DTAP Mobility Management Message Type", "gsm_a.dtap_msg_mm_type",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_dtap_msg_mm_strings), 0x3f,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_msg_cc_type,
|
|
{ "DTAP Call Control Message Type", "gsm_a.dtap_msg_cc_type",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_dtap_msg_cc_strings), 0x3f,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_msg_sms_type,
|
|
{ "DTAP Short Message Service Message Type", "gsm_a.dtap_msg_sms_type",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_dtap_msg_sms_strings), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_msg_ss_type,
|
|
{ "DTAP Non call Supplementary Service Message Type", "gsm_a.dtap_msg_ss_type",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_dtap_msg_ss_strings), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_msg_tp_type,
|
|
{ "DTAP Tests Procedures Message Type", "gsm_a.dtap_msg_tp_type",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_dtap_msg_tp_strings), 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_elem_id,
|
|
{ "Element ID", "gsm_a_dtap.elem_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_cld_party_bcd_num,
|
|
{ "Called Party BCD Number", "gsm_a.cld_party_bcd_num",
|
|
FT_STRING, BASE_DEC, 0, 0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_clg_party_bcd_num,
|
|
{ "Calling Party BCD Number", "gsm_a.clg_party_bcd_num",
|
|
FT_STRING, BASE_DEC, 0, 0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_dtap_cause,
|
|
{ "DTAP Cause", "gsm_a_dtap.cause",
|
|
FT_UINT8, BASE_HEX, 0, 0x0,
|
|
"", HFILL }
|
|
},
|
|
{ &hf_gsm_a_extension,
|
|
{ "Extension", "gsm_a.extension",
|
|
FT_BOOLEAN, 8, TFS(&gsm_a_extension_value), 0x80,
|
|
"Extension", HFILL }
|
|
},
|
|
{ &hf_gsm_a_type_of_number,
|
|
{ "Type of number", "gsm_a.type_of_number",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_type_of_number_values), 0x70,
|
|
"Type of number", HFILL }
|
|
},
|
|
{ &hf_gsm_a_numbering_plan_id,
|
|
{ "Numbering plan identification", "gsm_a.numbering_plan_id",
|
|
FT_UINT8, BASE_HEX, VALS(gsm_a_numbering_plan_id_values), 0x0f,
|
|
"Numbering plan identification", HFILL }
|
|
},
|
|
{ &hf_gsm_a_lsa_id,
|
|
{ "LSA Identifier", "gsm_a.lsa_id",
|
|
FT_UINT24, BASE_HEX, NULL, 0x0,
|
|
"LSA Identifier", HFILL }
|
|
},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
#define NUM_INDIVIDUAL_ELEMS 19
|
|
static gint *ett[NUM_INDIVIDUAL_ELEMS +
|
|
NUM_GSM_DTAP_MSG_MM + NUM_GSM_DTAP_MSG_CC +
|
|
NUM_GSM_DTAP_MSG_SMS + NUM_GSM_DTAP_MSG_SS + NUM_GSM_DTAP_MSG_TP +
|
|
NUM_GSM_DTAP_ELEM];
|
|
|
|
ett[0] = &ett_dtap_msg;
|
|
ett[1] = &ett_dtap_oct_1;
|
|
ett[2] = &ett_cm_srvc_type;
|
|
ett[3] = &ett_gsm_enc_info;
|
|
ett[4] = &ett_bc_oct_3;
|
|
ett[5] = &ett_bc_oct_3a;
|
|
ett[6] = &ett_bc_oct_4;
|
|
ett[7] = &ett_bc_oct_5;
|
|
ett[8] = &ett_bc_oct_5a;
|
|
ett[9] = &ett_bc_oct_5b;
|
|
ett[10] = &ett_bc_oct_6;
|
|
ett[11] = &ett_bc_oct_6a;
|
|
ett[12] = &ett_bc_oct_6b;
|
|
ett[13] = &ett_bc_oct_6c;
|
|
ett[14] = &ett_bc_oct_6d;
|
|
ett[15] = &ett_bc_oct_6e;
|
|
ett[16] = &ett_bc_oct_6f;
|
|
ett[17] = &ett_bc_oct_6g;
|
|
ett[18] = &ett_bc_oct_7;
|
|
|
|
last_offset = NUM_INDIVIDUAL_ELEMS;
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_MSG_MM; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_msg_mm[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_msg_mm[i];
|
|
}
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_MSG_CC; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_msg_cc[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_msg_cc[i];
|
|
}
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_MSG_SMS; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_msg_sms[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_msg_sms[i];
|
|
}
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_MSG_SS; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_msg_ss[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_msg_ss[i];
|
|
}
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_MSG_TP; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_msg_tp[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_msg_tp[i];
|
|
}
|
|
|
|
for (i=0; i < NUM_GSM_DTAP_ELEM; i++, last_offset++)
|
|
{
|
|
ett_gsm_dtap_elem[i] = -1;
|
|
ett[last_offset] = &ett_gsm_dtap_elem[i];
|
|
}
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_a_dtap =
|
|
proto_register_protocol("GSM A-I/F DTAP", "GSM DTAP", "gsm_a_dtap");
|
|
|
|
proto_register_field_array(proto_a_dtap, hf, array_length(hf));
|
|
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
/* subdissector code */
|
|
register_dissector("gsm_a_dtap", dissect_dtap, proto_a_dtap);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_gsm_a_dtap(void)
|
|
{
|
|
dissector_handle_t dtap_handle;
|
|
|
|
dtap_handle = find_dissector("gsm_a_dtap");
|
|
dissector_add("bssap.pdu_type", BSSAP_PDU_TYPE_DTAP, dtap_handle);
|
|
dissector_add("ranap.nas_pdu", BSSAP_PDU_TYPE_DTAP, dtap_handle);
|
|
dissector_add("llcgprs.sapi", 1 , dtap_handle); /* GPRS Mobility Management */
|
|
dissector_add("llcgprs.sapi", 7 , dtap_handle); /* SMS */
|
|
|
|
data_handle = find_dissector("data");
|
|
gsm_map_handle = find_dissector("gsm_map");
|
|
rp_handle = find_dissector("gsm_a_rp");
|
|
}
|