nexmon – Rev 1
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/* packet-gsm_bssmap_le.c
* Routines for GSM Lb Interface BSSMAP dissection
*
* Copyright 2008, Johnny Mitrevski <mitrevj@hotmail.com>
*
* 3GPP TS 49.031 version v7.4.0 (2009-09)
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/expert.h>
#include <epan/tap.h>
#include "packet-bssap.h"
#include "packet-gsm_a_common.h"
void proto_register_gsm_bssmap_le(void);
void proto_reg_handoff_gsm_bssmap_le(void);
/* PROTOTYPES/FORWARDS */
/* Message Type definitions */
#define BSSMAP_LE_PERFORM_LOCATION_REQUEST 43
#define BSSMAP_LE_PERFORM_LOCATION_RESPONSE 45
#define BSSMAP_LE_PERFORM_LOCATION_ABORT 46
#define BSSMAP_LE_PERFORM_LOCATION_INFORMATION 47
#define BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION 42
#define BSSMAP_LE_CONNECTIONLESS_INFORMATION 58
#define BSSMAP_LE_RESET 48
#define BSSMAP_LE_RESET_ACKNOWLEDGE 49
static const value_string gsm_bssmap_le_msg_strings[] = {
{ 0, "Reserved" },
{ 1, "Reserved" },
{ 2, "Reserved" },
{ 3, "Reserved" },
{ 4, "Reserved" },
{ BSSMAP_LE_PERFORM_LOCATION_REQUEST, "Perform Location Request" },
{ BSSMAP_LE_PERFORM_LOCATION_RESPONSE, "Perform Location Response" },
{ BSSMAP_LE_PERFORM_LOCATION_ABORT, "Perform Location Abort" },
{ BSSMAP_LE_PERFORM_LOCATION_INFORMATION, "Perform Location Information" },
{ BSSMAP_LE_CONNECTION_ORIENTED_INFORMATION, "Connection Oriented Information" },
{ BSSMAP_LE_CONNECTIONLESS_INFORMATION, "Connectionless Information" },
{ BSSMAP_LE_RESET, "Reset" },
{ BSSMAP_LE_RESET_ACKNOWLEDGE, "Reset Acknowledge" },
{ 0, NULL }
};
/* Information Element definitions */
#define BSSMAP_LE_LCS_QOS 62
#define BSSMAP_LE_LCS_PRIORITY 67
#define BSSMAP_LE_LOCATION_TYPE 68
#define BSSMAP_LE_GANSS_LOCATION_TYPE 130
#define BSSMAP_LE_GEOGRAPHIC_LOCATION 69
#define BSSMAP_LE_POSITIONING_DATA 70
#define BSSMAP_LE_GANSS_POSITIONING_DATA 131
#define BSSMAP_LE_VELOCITY_DATA 85
#define BSSMAP_LE_LCS_CAUSE 71
#define BSSMAP_LE_LCS_CLIENT_TYPE 72
#define BSSMAP_LE_APDU 73
#define BSSMAP_LE_NETWORK_ELEMENT_IDENTITY 74
#define BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA 75
#define BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA 65
#define BSSMAP_LE_DECIPHERING_KEYS 76
#define BSSMAP_LE_RETURN_ERROR_REQUEST 77
#define BSSMAP_LE_RETURN_ERROR_CAUSE 78
#define BSSMAP_LE_SEGMENTATION 79
#define BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3 19
#define BSSMAP_LE_CAUSE 4
#define BSSMAP_LE_CELL_IDENTIFIER 5
#define BSSMAP_LE_CHOSEN_CHANNEL 33
#define BSSMAP_LE_IMSI 0
#define BSSMAP_LE_RESERVED_NOTE1 1
#define BSSMAP_LE_RESERVED_NOTE2 2
#define BSSMAP_LE_RESERVED_NOTE3 3
#define BSSMAP_LE_LCS_CAPABILITY 80
#define BSSMAP_LE_PACKET_MEASUREMENT_REPORT 81
#define BSSMAP_LE_CELL_IDENTITY_LIST 82
#define BSSMAP_LE_IMEI 128
static const value_string gsm_bssmap_le_elem_strings[] = {
{ DE_BMAPLE_LCSQOS, "LCS QoS" },
{ DE_BMAPLE_LCS_PRIO, "LCS Priority" },
{ DE_BMAPLE_LOC_TYPE, "Location Type" },
{ DE_BMAPLE_GANSS_LOC_TYPE, "GANSS Location Type" },
{ DE_BMAPLE_GEO_LOC, "Geographic Location" },
{ DE_BMAPLE_POS_DATA, "Positioning Data" },
{ DE_BMAPLE_GANSS_POS_DATA, "GANSS Positioning Data" },
{ DE_BMAPLE_VELOC_DATA, "Velocity Data" },
{ DE_BMAPLE_LCS_CAUSE, "LCS Cause" },
{ DE_BMAPLE_LCS_CLIENT_TYPE, "LCS Client Type" },
{ DE_BMAPLE_APDU, "APDU" },
{ DE_BMAPLE_NETWORK_ELEM_ID, "Network Element Identity" },
{ DE_BMAPLE_REQ_GPS_ASSIST_D, "Requested GPS Assistance Data" },
{ DE_BMAPLE_REQ_GNSS_ASSIST_D, "Requested GANSS Assistance Data" },
{ DE_BMAPLE_DECIPH_KEYS, "Deciphering Keys" },
{ DE_BMAPLE_RETURN_ERROR_REQ, "Return Error Request" },
{ DE_BMAPLE_RETURN_ERROR_CAUSE, "Return Error Cause" },
{ DE_BMAPLE_SEGMENTATION, "Segmentation" },
{ DE_BMAPLE_CLASSMARK_TYPE_3, "Classmark Information Type 3" },
{ DE_BMAPLE_CAUSE, "Cause" },
{ DE_BMAPLE_CELL_IDENTIFIER, "Cell Identifier" },
{ DE_BMAPLE_CHOSEN_CHANNEL, "Chosen Channel" },
{ DE_BMAPLE_IMSI, "IMSI" },
{ DE_BMAPLE_RES1, "Reserved" },
{ DE_BMAPLE_RES2, "Reserved" },
{ DE_BMAPLE_RES3, "Reserved" },
{ DE_BMAPLE_LCS_CAPABILITY, "LCS Capability" },
{ DE_BMAPLE_PACKET_MEAS_REP, "Packet Measurement Report" },
{ DE_BMAPLE_MEAS_CELL_ID, "Cell Identity List" },
{ DE_BMAPLE_IMEI, "IMEI" },
{ 0, NULL }
};
value_string_ext gsm_bssmap_le_elem_strings_ext = VALUE_STRING_EXT_INIT(gsm_bssmap_le_elem_strings);
static const value_string gsm_apdu_protocol_id_strings[] = {
{ 0, "reserved" },
{ 1, "BSSLAP" },
{ 2, "LLP" },
{ 3, "SMLCPP" },
{ 0, NULL },
};
/* Velocity Requested definitions */
static const value_string bssmap_le_velocity_requested_vals[] = {
{ 0, "do not report velocity" },
{ 1, "report velocity if available" },
{ 0, NULL}
};
/* Vertical Coordinate definitions */
static const value_string bssmap_le_vertical_coordinate_indicator_vals[] = {
{ 0, "vertical coordinate not requested" },
{ 1, "vertical coordinate is requested" },
{ 0, NULL}
};
/* Horizontal Accuracy definitions */
static const value_string bssmap_le_horizontal_accuracy_indicator_vals[] = {
{ 0, "horizontal accuracy is not specified" },
{ 1, "horizontal accuracy is specified" },
{ 0, NULL}
};
/* Vertical Accuracy definitions */
static const value_string bssmap_le_vertical_accuracy_indicator_vals[] = {
{ 0, "vertical accuracy is not specified" },
{ 1, "vertical accuracy is specified" },
{ 0, NULL}
};
/* Response Time definitions */
static const value_string bssmap_le_response_time_definitions_vals[] = {
{ 0, "Response Time is not specified" },
{ 1, "Low Delay" },
{ 2, "Delay Tolerant" },
{ 3, "reserved" },
{ 0, NULL}
};
/* Initialize the protocol and registered fields */
static int proto_bssmap_le = -1;
int hf_gsm_bssmap_le_elem_id = -1;
/* The following hf_* variables are used to hold the Wireshark IDs of
* our header fields; they are filled out when we call
* proto_register_field_array() in proto_register_bssmap_le()
*/
static int hf_gsm_bssmap_le_msg_type = -1;
static int hf_gsm_bssmap_le_apdu_protocol_id = -1;
static int hf_gsm_bssmap_le_spare = -1;
static int hf_gsm_bssmap_le_ciphering_key_flag = -1;
static int hf_gsm_bssmap_le_current_deciphering_key_value = -1;
static int hf_gsm_bssmap_le_next_deciphering_key_value = -1;
static int hf_gsm_bssmap_le_acq_ass = -1;
static int hf_gsm_bssmap_le_ref_time = -1;
static int hf_gsm_bssmap_le_ref_loc = -1;
static int hf_gsm_bssmap_le_dgps_corr = -1;
static int hf_gsm_bssmap_le_nav_mod = -1;
static int hf_gsm_bssmap_le_iono_mod = -1;
static int hf_gsm_bssmap_le_utc_mod = -1;
static int hf_gsm_bssmap_le_almanac = -1;
static int hf_gsm_bssmap_le_ephemeris_ext_chk = -1;
static int hf_gsm_bssmap_le_ephemeris_ext = -1;
static int hf_gsm_bssmap_le_real_time_int = -1;
static int hf_gsm_bssmap_le_lcs_cause_value =-1;
static int hf_gsm_bssmap_le_diagnostic_value = -1;
static int hf_gsm_bssmap_le_client_category = -1;
static int hf_gsm_bssmap_le_client_subtype = -1;
static int hf_gsm_bssmap_le_velocity_requested = -1;
static int hf_gsm_bssmap_le_vertical_coordinate_indicator = -1;
static int hf_gsm_bssmap_le_horizontal_accuracy_indicator = -1;
static int hf_gsm_bssmap_le_horizontal_accuracy = -1;
static int hf_gsm_bssmap_le_vertical_accuracy_indicator = -1;
static int hf_gsm_bssmap_le_vertical_accuracy = -1;
static int hf_gsm_bssmap_le_response_time_category = -1;
static int hf_gsm_bssmap_le_apdu = -1;
static int hf_gsm_bssmap_le_message_elements = -1;
/* Initialize the subtree pointers */
static gint ett_bssmap_le_msg = -1;
static expert_field ei_gsm_a_bssmap_le_not_decoded_yet = EI_INIT;
static expert_field ei_gsm_a_bssmap_le_extraneous_data = EI_INIT;
static expert_field ei_gsm_a_bssmap_le_missing_mandatory_element = EI_INIT;
static dissector_handle_t gsm_bsslap_handle = NULL;
static proto_tree *g_tree;
#define NUM_GSM_BSSMAP_LE_ELEM (sizeof(gsm_bssmap_le_elem_strings)/sizeof(value_string))
gint ett_gsm_bssmap_le_elem[NUM_GSM_BSSMAP_LE_ELEM];
/*
* 10.3 APDU
*/
static guint16
de_bmaple_apdu(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
guint32 curr_offset;
guint8 apdu_protocol_id;
tvbuff_t *APDU_tvb;
curr_offset = offset;
proto_tree_add_item(tree, hf_gsm_bssmap_le_apdu, tvb, curr_offset, len, ENC_NA);
/*
* dissect the embedded APDU message
* if someone writes a TS 09.31 dissector
*
* The APDU octets 4 to n are coded in the same way as the
* equivalent octet in the APDU element of 3GPP TS 49.031 BSSAP-LE.
*/
apdu_protocol_id = tvb_get_guint8(tvb,curr_offset);
proto_tree_add_item(tree, hf_gsm_bssmap_le_apdu_protocol_id, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
switch(apdu_protocol_id){
case 1:
/* BSSLAP
* the embedded message is as defined in 3GPP TS 08.71(3GPP TS 48.071 version 7.2.0 Release 7)
*/
APDU_tvb = tvb_new_subset_length(tvb, curr_offset+1, len-1);
if(gsm_bsslap_handle)
call_dissector(gsm_bsslap_handle, APDU_tvb, pinfo, g_tree);
break;
case 2:
/* LLP
* The embedded message contains a Facility Information Element as defined in 3GPP TS 04.71
* excluding the Facility IEI and length of Facility IEI octets defined in 3GPP TS 04.71.(3GPP TS 44.071).
*/
break;
case 3:
/* SMLCPP
* The embedded message is as defined in 3GPP TS 08.31(TS 48.031).
*/
break;
default:
break;
}
curr_offset += len;
EXTRANEOUS_DATA_CHECK(len, curr_offset - offset, pinfo, &ei_gsm_a_bssmap_le_extraneous_data);
return(curr_offset - offset);
}
/*
* 10.4 Cause
* coded as the value part of the Cause IE defined in 3GPP TS 48.008
*/
/*
* 10.5 Cell Identifier
* coded as the value part of the Cell Identifier IE defined in 3GPP TS 48.008
*/
/*
* 10.6 Chosen Channel
* coded as the value part of the Chosen Channel IE defined in 3GPP TS 48.008
*/
/*
* 10.7 Classmark Information Type 3
* coded as the value part of the Classmark Information Type 3 IE defined in 3GPP TS 48.008
*/
/*
* 10.8 Deciphering Keys
*/
static guint16
de_bmaple_decihp_keys(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
gint bit_offset;
/* Spare bits */
bit_offset = (offset<<3);
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bit_offset, 7, ENC_BIG_ENDIAN);
bit_offset += 7;
/* Extract the Ciphering Key Flag and add to protocol tree */
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_ciphering_key_flag, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
bit_offset++;
/*offset++;*/
/* Extract the Current Deciphering Key Value and add to protocol tree */
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_current_deciphering_key_value, tvb, bit_offset, 56, ENC_NA);
bit_offset += 56;
/*offset += 7;*/
/* Extract the Next Deciphering Key Value and add to protocol tree */
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_next_deciphering_key_value, tvb, bit_offset, 56, ENC_NA);
/*offset += 7;*/
return(len);
}
/*
* 10.9 Geographic Location
* contains an octet sequence identical to that for Geographical Information
* defined in 3GPP TS 23.032..
*/
/*
* 10.10 Requested GPS Assistance Data
*/
static guint16
de_bmaple_req_gps_ass_data(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
guint32 curr_offset;
curr_offset = offset;
/* Octet 3 H G F E D C B A */
/* bit H Acquisition Assistance */
proto_tree_add_item(tree, hf_gsm_bssmap_le_acq_ass, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit G Reference Time */
proto_tree_add_item(tree, hf_gsm_bssmap_le_ref_time, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit F Reference Location */
proto_tree_add_item(tree, hf_gsm_bssmap_le_ref_loc, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit E DGPS Corrections */
proto_tree_add_item(tree, hf_gsm_bssmap_le_dgps_corr, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit D Navigation Model */
proto_tree_add_item(tree, hf_gsm_bssmap_le_nav_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit C Ionospheric Model */
proto_tree_add_item(tree, hf_gsm_bssmap_le_iono_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit B UTC Model */
proto_tree_add_item(tree, hf_gsm_bssmap_le_utc_mod, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit A Almanac */
proto_tree_add_item(tree, hf_gsm_bssmap_le_almanac, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
/* Octet 4 P O N M L K J I
* bits L through P are Spare bits
*/
/* bit K Ephemeris Extension Check */
proto_tree_add_item(tree, hf_gsm_bssmap_le_ephemeris_ext_chk, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit J Ephemeris Extension */
proto_tree_add_item(tree, hf_gsm_bssmap_le_ephemeris_ext, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
/* bit I Real-Time Integrity */
proto_tree_add_item(tree, hf_gsm_bssmap_le_real_time_int, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
/* Octet 5 to Octet 8+2n Satellite related data */
proto_tree_add_expert_format(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, curr_offset, len-2, "Satellite related data Not decoded yet");
return(len);
}
/*
* 10.11 IMSI
* coded as the value part of the Mobile Identity IE defined in 3GPP TS 24.008 (NOTE 1)
* NOTE 1: The Type of identity field in the Mobile Identity IE shall
* be ignored by the receiver
*/
/*
* 10.12 (void)
*/
/*
* 10.13 LCS Cause
*/
static const value_string bssmap_le_lcs_cause_values[] = {
{ 0, "Unspecified" },
{ 1, "System Failure" },
{ 2, "Protocol Error" },
{ 3, "Data missing in position request" },
{ 4, "Unexpected data value in position request" },
{ 5, "Position method failure" },
{ 6, "Target MS Unreachable" },
{ 7, "Location request aborted" },
{ 8, "Facility not supported" },
{ 9, "Inter-BSC Handover Ongoing" },
{ 10, "Intra-BSC Handover Complete" },
{ 11, "Congestion" },
{ 12, "Inter NSE cell change" },
{ 13, "Routing Area Update" },
{ 14, "PTMSI reallocation" },
{ 15, "Suspension of GPRS services" },
{ 0, NULL}
};
static const value_string bssmap_le_position_method_failure_diagnostic_vals[] = {
{ 0, "Congestion" },
{ 1, "insufficientResources" },
{ 2, "insufficientMeasurementData" },
{ 3, "inconsistentMeasurementData" },
{ 4, "locationProcedureNotCompleted" },
{ 5, "locationProcedureNotSupportedByTargetMS" },
{ 6, "qoSNotAttainable" },
{ 7, "positionMethodNotAvailableInNetwork" },
{ 8, "positionMethodNotAvailableInLocaitonArea" },
{ 0, NULL}
};
static guint16
de_bmaple_cause(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
guint32 curr_offset;
curr_offset = offset;
/* cause value */
proto_tree_add_item(tree, hf_gsm_bssmap_le_lcs_cause_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
if (len == 2)
{
/* Diagnostic value (note) */
proto_tree_add_item(tree, hf_gsm_bssmap_le_diagnostic_value, tvb, curr_offset, 1, ENC_BIG_ENDIAN);
curr_offset++;
}
return(curr_offset - offset);
}
/*
* 10.14 LCS Client Type
*/
/* Client Category definitions */
static const value_string bssmap_le_client_category[] = {
{ 0, "Value Added Client" },
{ 2, "PLMN Operator" },
{ 3, "Emergency Services"},
{ 4, "Lawful Intercept Services"},
{ 0, NULL}
};
/* Client Subtype definitions */
static const value_string bssmap_le_client_subtype[] = {
{ 0, "unspecified" },
{ 1, "broadcast service" },
{ 2, "O&M" },
{ 3, "anonymous statistics" },
{ 4, "Target MS service support" },
{ 0, NULL}
};
static guint16
de_bmaple_client(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len _U_, gchar *add_string _U_, int string_len _U_)
{
guint32 curr_offset;
guint8 bitCount;
bitCount = offset<<3;
curr_offset = offset;
/* Extract the client category and add to protocol tree */
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_client_category, tvb, bitCount, 4, ENC_BIG_ENDIAN);
bitCount = bitCount + 4;
/* Extract the client subtype and add to protocol tree */
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_client_subtype, tvb, bitCount, 4, ENC_BIG_ENDIAN);
/*bitCount = bitCount + 4;*/
curr_offset++;
return(curr_offset - offset);
}
/*
* 10.15 LCS Priority
* coded as the LCS-Priority octet in 3GPP TS 29.002
*/
/*
* 10.16 LCS QoS
*/
static guint16
de_bmaple_lcs_qos(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
guint64 verticalCoordIndicator, velocityRequested, horizontalAccuracyIndicator, verticalAccuracyIndicator;
guint16 bitCount;
bitCount = offset << 3;
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 6, ENC_BIG_ENDIAN);
bitCount = bitCount + 6;
/* Extract Velocity requested element */
proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_velocity_requested, tvb, bitCount, 1, &velocityRequested, ENC_BIG_ENDIAN);
bitCount++;
/* Extract vertical coordinator element */
proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_vertical_coordinate_indicator, tvb, bitCount, 1, &verticalCoordIndicator, ENC_BIG_ENDIAN);
bitCount++;
/* Extract horizontal accuracy element */
proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_horizontal_accuracy_indicator, tvb, bitCount, 1, &horizontalAccuracyIndicator, ENC_BIG_ENDIAN);
bitCount++;
if(horizontalAccuracyIndicator == 1)
{
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_horizontal_accuracy, tvb, bitCount, 7, ENC_BIG_ENDIAN);
bitCount = bitCount + 7;
}
else
{
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 7, ENC_BIG_ENDIAN);
bitCount = bitCount + 7;
}
/* Extract vertical accuracy element */
proto_tree_add_bits_ret_val(tree, hf_gsm_bssmap_le_vertical_accuracy_indicator, tvb, bitCount, 1, &verticalAccuracyIndicator, ENC_BIG_ENDIAN);
bitCount++;
if(verticalAccuracyIndicator == 1)
{
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_vertical_accuracy, tvb, bitCount, 7, ENC_BIG_ENDIAN);
bitCount = bitCount + 7;
}
else
{
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_spare, tvb, bitCount, 7, ENC_BIG_ENDIAN);
bitCount = bitCount + 7;
}
proto_tree_add_bits_item(tree, hf_gsm_bssmap_le_response_time_category, tvb, bitCount, 2, ENC_BIG_ENDIAN);
/*bitCount = bitCount + 2;*/
return(len);
}
/*
* 10.17 (void)
*/
/*
* 10.18 Location Type
*/
/*
* 10.19 Network Element Identity
*/
/*
* 10.20 Positioning Data
*/
static guint16
de_bmaple_pos_dta(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
tvbuff_t *data_tvb;
guint32 curr_offset;
curr_offset = offset;
data_tvb = tvb_new_subset_length(tvb, curr_offset, len);
dissect_geographical_description(data_tvb, pinfo, tree);
return(len);
}
/*
* 10.21 Return Error Request
*/
/*
* 10.22 Return Error Cause
*/
/*
* 10.23 (void)
*/
/*
* 10.24 Segmentation
*/
/*
* 10.25 (void)
*/
/*
* 10.26 LCS Capability
* coded as the value part of the LCS Capability
* information element in 3GPP TS 48.018, not including
* 3GPP TS 48.018 IEI and length indicator
*/
/* Dissector for the LCS Capability element */
static guint16
be_lcs_capability(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
/* Extract the LCS Capability element and add to protocol tree */
proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len);
return len;
}
/*
* 10.27 Packet Measurement Report
* coded as the Packet Measurement Report
* message or the Packet Enhanced Measurement Report message
* starting with the 6-bit MESSAGE_TYPE (see clause 11 in
* 3GPP TS 44.060) and ending with the Non-distribution contents
* (i.e. the RLC/MAC padding bits are not included). The end of the
* message is padded with 0-bits to the nearest octet boundary.
*/
/* Dissector for the Packet Measurement Report element */
static guint16
be_packet_meas_rep(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
/* Extract the Packet Measurement Report element and add to protocol tree */
proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len);
return len;
}
/*
* 10.28 Cell Identity List
* coded as the value part of the Cell Identity List IE
* defined in 3GPP TS 48.071.
*/
/* Dissector for the Measured Cell Identity List element */
static guint16
be_measured_cell_identity(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint32 offset, guint len, gchar *add_string _U_, int string_len _U_)
{
/* Extract the Measured Cell Identity List element and add to protocol tree */
proto_tree_add_expert(tree, pinfo, &ei_gsm_a_bssmap_le_not_decoded_yet, tvb, offset, len);
return len;
}
/*
* 10.29 IMEI
* IMEI coded as the value part of the Mobile Identity IE defined in
* 3GPP TS 24.008 (NOTE 1)
* NOTE 1: The Type of identity field in the Mobile Identity IE shall
* be ignored by the receiver.
*/
/*
* 10.30 Velocity Data
* contains an octet sequence identical to that for Description of
* Velocity defined in 3GPP TS 23.032.
*/
/*
* 10.31 Requested GANSS Assistance Data
*/
/*
* 10.32 GANSS Positioning Data
*/
/*
* 10.33 GANSS Location Type
*/
#define NUM_GSM_BSSMAP_LE_MSG (sizeof(gsm_bssmap_le_msg_strings)/sizeof(value_string))
static gint ett_gsm_bssmap_le_msg[NUM_GSM_BSSMAP_LE_MSG];
/*
This enum is defined in packet-gsm_a_common.h to
make it possible to use element dissecton from this dissector
in other dissectors.
It is shown here as a comment for easier reference.
Note this enum must be of the same size as the element decoding list below
typedef enum
{
DE_BMAPLE_LCSQOS, / 10.16 LCS QoS /
DE_BMAPLE_LCS_PRIO, / LCS Priority /
DE_BMAPLE_LOC_TYPE, / 10.18 Location Type /
DE_BMAPLE_GANSS_LOC_TYPE, / GANSS Location Type /
DE_BMAPLE_GEO_LOC, / 10.9 Geographic Location /
DE_BMAPLE_POS_DATA, / 10.20 Positioning Data /
DE_BMAPLE_GANSS_POS_DATA, / GANSS Positioning Data /
DE_BMAPLE_VELOC_DATA, / Velocity Data /
DE_BMAPLE_LCS_CAUSE, / 10.13 LCS Cause /
DE_BMAPLE_LCS_CLIENT_TYPE, / LCS Client Type /
DE_BMAPLE_APDU, / 10.3 APDU /
DE_BMAPLE_NETWORK_ELEM_ID, / Network Element Identity /
DE_BMAPLE_REQ_GPS_ASSIST_D, / 10.10 Requested GPS Assistance Data /
DE_BMAPLE_REQ_GNSS_ASSIST_D,/ Requested GANSS Assistance Data /
DE_BMAPLE_DECIPH_KEYS, / 10.8 Deciphering Keys /
DE_BMAPLE_RETURN_ERROR_REQ, / Return Error Request /
DE_BMAPLE_RETURN_ERROR_CAUSE, / Return Error Cause /
DE_BMAPLE_SEGMENTATION, / Segmentation /
DE_BMAPLE_CLASSMARK_TYPE_3, / 10.7 Classmark Information Type 3 /
DE_BMAPLE_CAUSE, / 10.4 Cause /
DE_BMAPLE_CELL_IDENTIFIER, / 10.5 Cell Identifier /
DE_BMAPLE_CHOSEN_CHANNEL, / 10.6 Chosen Channel /
DE_BMAPLE_IMSI, / 10.11 IMSI /
DE_BMAPLE_RES1, / Reserved /
DE_BMAPLE_RES2, / Reserved /
DE_BMAPLE_RES3, / Reserved /
DE_BMAPLE_LCS_CAPABILITY, / LCS Capability /
DE_BMAPLE_PACKET_MEAS_REP, / Packet Measurement Report /
DE_BMAPLE_MEAS_CELL_ID, / Measured Cell Identity /
DE_BMAPLE_IMEI, / IMEI /
BMAPLE_NONE / NONE /
}
bssmap_le_elem_idx_t;
*/
guint16 (*bssmap_le_elem_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len, gchar *add_string, int string_len) = {
/* NOTE: The null types below are defined elsewhere. i.e in packet-gsm_a_bssmap.c */
de_bmaple_lcs_qos, /* 10.16 LCS QoS */
NULL, /* LCS Priority */
NULL, /* 10.18 Location Type */
be_ganss_loc_type, /* GANSS Location Type */
NULL, /* 10.9 Geographic Location */
de_bmaple_pos_dta, /* 10.20 Positioning Data */
be_ganss_pos_dta, /* GANSS Positioning Data */
NULL, /* Velocity Data */
de_bmaple_cause, /* 10.13 LCS Cause */
de_bmaple_client, /* LCS Client Type */
de_bmaple_apdu, /* APDU */
NULL, /* Network Element Identity */
de_bmaple_req_gps_ass_data, /* 10.10 Requested GPS Assistance Data */
be_ganss_ass_dta, /* Requested GANSS Assistance Data */
de_bmaple_decihp_keys, /* 10.8 Deciphering Keys */
NULL, /* Return Error Request */
NULL, /* Return Error Cause */
NULL, /* Segmentation */
NULL, /* 10.7 Classmark Information Type 3 */
NULL, /* Cause */
NULL, /* Cell Identifier */
NULL, /* 10.6 Chosen Channel */
de_mid, /* 10.11 IMSI */
NULL, /* Reserved */
NULL, /* Reserved */
NULL, /* Reserved */
be_lcs_capability, /* LCS Capability */
be_packet_meas_rep, /* Packet Measurement Report */
be_measured_cell_identity, /* Measured Cell Identity List */
de_mid, /* IMEI (use same dissector as IMSI) */
NULL, /* NONE */
};
/*
* 9.1 PERFORM LOCATION REQUEST
*/
static void
bssmap_le_perf_loc_request(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
{
guint32 curr_offset;
guint32 consumed;
guint curr_len;
curr_offset = offset;
curr_len = len;
/* Location Type 9.1.1 M 3-n */
ELEM_MAND_TLV(BSSMAP_LE_LOCATION_TYPE, GSM_A_PDU_TYPE_BSSMAP, BE_LOC_TYPE, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element)
/* Cell Identifier 9.1.2 O 5-10 */
ELEM_MAND_TLV(BSSMAP_LE_CELL_IDENTIFIER, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element);
/* Classmark Information Type 3 9.1.3 O 3-14 */
ELEM_OPT_TLV(BSSMAP_LE_CLASSMARK_INFORMATION_TYPE_3, GSM_A_PDU_TYPE_BSSMAP, BE_CM_INFO_3, NULL);
/* LCS Client Type 9.1.4 C (note 3) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_LCS_CLIENT_TYPE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CLIENT_TYPE, NULL);
/* Chosen Channel 9.1.5 O 2 */
ELEM_OPT_TLV(BSSMAP_LE_CHOSEN_CHANNEL, GSM_A_PDU_TYPE_BSSMAP, BE_CHOSEN_CHAN, NULL);
/* LCS Priority 9.1.6 O 3-n */
ELEM_OPT_TLV(BSSMAP_LE_LCS_PRIORITY, GSM_A_PDU_TYPE_BSSMAP, BE_LCS_PRIO, NULL);
/* LCS QoS 9.1.6a C (note 1) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_LCS_QOS, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCSQOS, NULL);
/* GPS Assistance Data 9.1.7 C (note 2) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_REQUESTED_GPS_ASSISTANCE_DATA, GSM_A_PDU_TYPE_BSSMAP, BE_GPS_ASSIST_DATA, NULL);
/* APDU 9.1.8 O 3-n */
ELEM_MAND_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element);
/* LCS Capability 9.1.9 O */
ELEM_OPT_TLV(BSSMAP_LE_LCS_CAPABILITY, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CAPABILITY, NULL);
/* Packet Measurement Report 9.1.10 O*/
ELEM_OPT_TLV(BSSMAP_LE_PACKET_MEASUREMENT_REPORT, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_PACKET_MEAS_REP, NULL);
/* Measured Cell Identity List 9.1.11 O*/
ELEM_OPT_TLV(BSSMAP_LE_CELL_IDENTITY_LIST, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_MEAS_CELL_ID, NULL);
/* IMSI 9.1.12 O (note 4) 5-10 */
ELEM_OPT_TLV(BSSMAP_LE_IMSI, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMSI, NULL);
/* IMEI 9.1.13 O (note 4) 10 (use same decode as IMSI) */
ELEM_OPT_TLV(BSSMAP_LE_IMEI, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_IMEI, NULL);
/* GANSS Location Type 9.1.14 C 3 */
ELEM_OPT_TLV(BSSMAP_LE_GANSS_LOCATION_TYPE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_LOC_TYPE, NULL);
/* GANSS Assistance Data 9.1.15 C (note 5) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_REQUESTED_GANSS_ASSISTANCE_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_REQ_GNSS_ASSIST_D, NULL);
EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data);
}
/*
* 9.2 PERFORM LOCATION RESPONSE
*/
static void
bssmap_le_perf_loc_resp(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
{
guint32 curr_offset;
guint32 consumed;
guint curr_len;
curr_offset = offset;
curr_len = len;
/* Location Estimate 9.2.1 C (note 1) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_GEOGRAPHIC_LOCATION, BSSAP_PDU_TYPE_BSSMAP, BE_LOC_EST, NULL);
/* Positioning Data 9.2.2 O 3-n */
ELEM_OPT_TLV(BSSMAP_LE_POSITIONING_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_POS_DATA, NULL);
/* Deciphering Keys 9.2.3 C (note 2) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_DECIPHERING_KEYS, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_DECIPH_KEYS, NULL);
/* LCS Cause 9.2.4 C (note 3) 3-n */
ELEM_OPT_TLV(BSSMAP_LE_LCS_CAUSE, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_LCS_CAUSE, NULL);
/* Velocity Estimate 9.2.5 O 3-n */
ELEM_OPT_TLV(BSSMAP_LE_VELOCITY_DATA, BSSAP_PDU_TYPE_BSSMAP, BE_VEL_EST, NULL);
/* GANSS Positioning Data 9.2.6 O 3-n */
ELEM_OPT_TLV(BSSMAP_LE_GANSS_POSITIONING_DATA, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_GANSS_POS_DATA, NULL);
EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data);
}
/*
* 9.8 CONNECTION ORIENTED INFORMATION
*/
static void
bssmap_le_connection_oriented(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
{
guint32 curr_offset;
guint32 consumed;
guint curr_len;
curr_offset = offset;
curr_len = len;
/* APDU 9.8.1 M 3-n */
ELEM_MAND_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element);
/* Segmentation 9.8.2 */
ELEM_OPT_TLV(BSSMAP_LE_SEGMENTATION, BSSAP_PDU_TYPE_BSSMAP, BE_SEG, NULL);
EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data);
}
/*
* 9.9 CONNECTIONLESS INFORMATION
*
Network Element Identity (source) 3.2.2.69 Both M 3-n
Network Element Identity (target) 3.2.2.69 Both M 3-n
APDU 3.2.2.68 Both M 3-n
Segmentation 3.2,2,74 Both C (note 1) 5
Return Error Request 3.2.2.72 Both C (note 2) 3-n
Return Error Cause 3.2.2.73 Both C (note 3) 3-n
*/
/*
* 9.11 RESET ACKNOWLEDGE
* no data
*/
/*
* 9.12 PERFORM LOCATION INFORMATION
*/
static void
bssmap_le_perf_loc_info(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len)
{
guint32 curr_offset;
guint32 consumed;
guint curr_len;
curr_offset = offset;
curr_len = len;
/* Cell Identifier 9.12.1 M */
ELEM_MAND_TLV(BSSMAP_LE_CELL_IDENTIFIER, GSM_A_PDU_TYPE_BSSMAP, BE_CELL_ID, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element);
/* APDU 9.1.8 O 3-n */
ELEM_MAND_TELV(BSSMAP_LE_APDU, GSM_PDU_TYPE_BSSMAP_LE, DE_BMAPLE_APDU, NULL, ei_gsm_a_bssmap_le_missing_mandatory_element);
EXTRANEOUS_DATA_CHECK(curr_len, 0, pinfo, &ei_gsm_a_bssmap_le_extraneous_data);
}
static void (*bssmap_le_msg_fcn[])(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo _U_, guint32 offset, guint len) = {
NULL,
NULL,
NULL,
NULL,
NULL,
bssmap_le_perf_loc_request, /* Perform Location Request */
bssmap_le_perf_loc_resp, /* Perform Location Response */
bssmap_perf_loc_abort, /* Abort */
bssmap_le_perf_loc_info, /* Perform Location Information */
bssmap_le_connection_oriented, /* Connection Oriented Information */
NULL, /* Connectionless Information */
bssmap_reset, /* Reset */
NULL, /* Reset Acknowledge */
NULL, /* NONE */
};
static int
dissect_bssmap_le(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
{
static gsm_a_tap_rec_t tap_rec[4];
static gsm_a_tap_rec_t *tap_p;
static guint tap_current=0;
guint8 oct;
guint32 offset, saved_offset;
guint32 len;
gint idx;
proto_item *bssmap_le_item = NULL;
proto_tree *bssmap_le_tree = NULL;
const gchar *str;
sccp_msg_info_t *sccp_msg_p = (sccp_msg_info_t *)data;
if (!(sccp_msg_p && sccp_msg_p->data.co.assoc)) {
sccp_msg_p = NULL;
}
col_append_str(pinfo->cinfo, COL_INFO, "(BSSMAP LE) ");
/*
* set tap record pointer
*/
tap_current++;
if (tap_current >= 4)
{
tap_current = 0;
}
tap_p = &tap_rec[tap_current];
offset = 0;
saved_offset = offset;
g_tree = tree;
len = tvb_reported_length(tvb);
/*
* add BSSMAP message name
*/
oct = tvb_get_guint8(tvb, offset++);
str = try_val_to_str_idx((guint32) oct, gsm_bssmap_le_msg_strings, &idx);
if (sccp_msg_p && !sccp_msg_p->data.co.label) {
sccp_msg_p->data.co.label = wmem_strdup(wmem_file_scope(),
val_to_str((guint32) oct,
gsm_bssmap_le_msg_strings, "BSSMAP LE(0x%02x)"));
}
/*
* create the protocol tree
*/
if (str == NULL)
{
bssmap_le_item =
proto_tree_add_protocol_format(tree, proto_bssmap_le, tvb, 0, len,
"Lb - I/F BSSMAP LE - Unknown BSSMAP Message Type (0x%02x)",
oct);
bssmap_le_tree = proto_item_add_subtree(bssmap_le_item, ett_bssmap_le_msg);
}
else
{
bssmap_le_item =
proto_tree_add_protocol_format(tree, proto_bssmap_le, tvb, 0, -1,
"Lb - I/F BSSMAP LE - %s",
str);
bssmap_le_tree = proto_item_add_subtree(bssmap_le_item, ett_gsm_bssmap_le_msg[idx]);
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", str);
/*
* add BSSMAP message name
*/
proto_tree_add_uint_format(bssmap_le_tree, hf_gsm_bssmap_le_msg_type,
tvb, saved_offset, 1, oct, "Message Type %s",str);
}
tap_p->pdu_type = BSSAP_PDU_TYPE_BSSMAP;
tap_p->message_type = oct;
tap_queue_packet(gsm_a_tap, pinfo, tap_p);
if (str == NULL) return len;
if (offset >= len) return len;
/*
* decode elements
*/
if (bssmap_le_msg_fcn[idx] == NULL)
{
proto_tree_add_item(bssmap_le_tree, hf_gsm_bssmap_le_message_elements, tvb, offset, len - offset, ENC_NA);
}
else
{
(*bssmap_le_msg_fcn[idx])(tvb, bssmap_le_tree, pinfo, offset, len - offset);
}
return len;
}
/* Register the protocol with Wireshark */
void
proto_register_gsm_bssmap_le(void)
{
guint i;
guint last_offset;
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_gsm_bssmap_le_msg_type,
{ "BSSMAP LE Message Type", "gsm_bssmap_le.msgtype",
FT_UINT8, BASE_HEX, VALS(gsm_bssmap_le_msg_strings), 0x0,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_elem_id,
{ "Element ID", "gsm_bssmap_le.elem_id",
FT_UINT8, BASE_HEX, NULL, 0,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_apdu_protocol_id,
{ "Protocol ID", "gsm_bssmap_le.apdu_protocol_id",
FT_UINT8, BASE_DEC, VALS(gsm_apdu_protocol_id_strings), 0x0,
"APDU embedded protocol id", HFILL }
},
{ &hf_gsm_bssmap_le_spare,
{ "Spare", "gsm_bssmap_le.spare",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_ciphering_key_flag,
{ "Ciphering Key Flag", "gsm_bssmap_le.decipheringKeys.flag",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_current_deciphering_key_value,
{ "Current Deciphering Key Value", "gsm_bssmap_le.decipheringKeys.current",
FT_UINT64, BASE_HEX, NULL, 0x0, NULL,
HFILL}
},
{ &hf_gsm_bssmap_le_next_deciphering_key_value,
{ "Next Deciphering Key Value", "gsm_bssmap_le.decipheringKeys.next",
FT_UINT64, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_acq_ass,
{ "Acquisition Assistance", "gsm_bssmap_le.acq_ass",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x80,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_ref_time,
{ "Reference Time", "gsm_bssmap_le.ref_time",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x40,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_ref_loc,
{ "Reference Location", "gsm_bssmap_le.ref_loc",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x20,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_dgps_corr,
{ "DGPS Corrections", "gsm_bssmap_le.gps_corr",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x08,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_nav_mod,
{ "Navigation Model", "gsm_bssmap_le.nav_mod",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x10,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_iono_mod,
{ "Ionospheric Model", "gsm_bssmap_le.iono_mod",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x04,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_utc_mod,
{ "UTC Model", "gsm_bssmap_le.utc_mod",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x02,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_almanac,
{ "Almanac", "gsm_bssmap_le.almanac",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x01,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_ephemeris_ext_chk,
{ "Ephemeris Extension Check", "gsm_bssmap_le.ephemeris_ext_chk",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x04,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_ephemeris_ext,
{ "Ephemeris Extension", "gsm_bssmap_le.ephemeris_ext",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x02,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_real_time_int,
{ "Real-Time Integrity", "gsm_bssmap_le.real_time_int",
FT_BOOLEAN, 8, TFS(&tfs_requested_not_requested), 0x01,
NULL, HFILL }
},
{ &hf_gsm_bssmap_le_lcs_cause_value,
{ "Cause Value", "gsm_bssmap_le.lcsCauseValue",
FT_UINT8, BASE_HEX, VALS(bssmap_le_lcs_cause_values), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_diagnostic_value,
{ "Diagnostic Value", "gsm_bssmap_le.diagnosticValue",
FT_UINT8, BASE_HEX, VALS(bssmap_le_position_method_failure_diagnostic_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_client_category,
{ "Client Category", "gsm_bssmap_le.lcsClientType.clientCategory",
FT_UINT8, BASE_HEX, VALS(bssmap_le_client_category), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_client_subtype,
{ "Client Subtype", "gsm_bssmap_le.lcsClientType.clientSubtype",
FT_UINT8, BASE_HEX, VALS(bssmap_le_client_subtype), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_velocity_requested,
{ "Velocity Requested", "gsm_bssmap_le.lcsQos.velocityRequested",
FT_UINT8, BASE_HEX, VALS(bssmap_le_velocity_requested_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_vertical_coordinate_indicator,
{ "Vertical Coordinate Indicator", "gsm_bssmap_le.lcsQos.verticalCoordinateIndicator",
FT_UINT8, BASE_HEX, VALS(bssmap_le_vertical_coordinate_indicator_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_horizontal_accuracy_indicator,
{ "Horizontal Accuracy Indicator", "gsm_bssmap_le.lcsQos.horizontalAccuracyIndicator",
FT_UINT8, BASE_HEX, VALS(bssmap_le_horizontal_accuracy_indicator_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_horizontal_accuracy,
{ "Horizontal Accuracy", "gsm_bssmap_le.lcsQos.horizontalAccuracy",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_vertical_accuracy,
{ "Vertical Accuracy", "gsm_bssmap_le.lcsQos.verticalAccuracy",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_vertical_accuracy_indicator,
{ "Vertical Accuracy Indicator", "gsm_bssmap_le.lcsQos.verticalAccuracyIndicator",
FT_UINT8, BASE_HEX, VALS(bssmap_le_vertical_accuracy_indicator_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_response_time_category,
{ "Response Time Category", "gsm_bssmap_le.lcsQos.responseTimeCategory",
FT_UINT8, BASE_HEX, VALS(bssmap_le_response_time_definitions_vals), 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_apdu,
{ "APDU", "gsm_bssmap_le.apdu",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
{ &hf_gsm_bssmap_le_message_elements,
{ "Message Elements", "gsm_bssmap_le.message_elements",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL}
},
};
expert_module_t* expert_gsm_a_bssmap_le;
static ei_register_info ei[] = {
{ &ei_gsm_a_bssmap_le_not_decoded_yet, { "gsm_bssmap_le.not_decoded_yet", PI_UNDECODED, PI_WARN, "Not decoded yet", EXPFILL }},
{ &ei_gsm_a_bssmap_le_extraneous_data, { "gsm_bssmap_le.extraneous_data", PI_PROTOCOL, PI_NOTE, "Extraneous Data, dissector bug or later version spec(report to wireshark.org)", EXPFILL }},
{ &ei_gsm_a_bssmap_le_missing_mandatory_element, { "gsm_bssmap_le.missing_mandatory_element", PI_PROTOCOL, PI_WARN, "Missing Mandatory element, rest of dissection is suspect", EXPFILL }},
};
/* Setup protocol subtree array */
#define NUM_INDIVIDUAL_ELEMS 1
gint *ett[NUM_INDIVIDUAL_ELEMS + NUM_GSM_BSSMAP_LE_MSG +
NUM_GSM_BSSMAP_LE_ELEM];
ett[0] = &ett_bssmap_le_msg;
last_offset = NUM_INDIVIDUAL_ELEMS;
for (i=0; i < NUM_GSM_BSSMAP_LE_MSG; i++, last_offset++)
{
ett_gsm_bssmap_le_msg[i] = -1;
ett[last_offset] = &ett_gsm_bssmap_le_msg[i];
}
for (i=0; i < NUM_GSM_BSSMAP_LE_ELEM; i++, last_offset++)
{
ett_gsm_bssmap_le_elem[i] = -1;
ett[last_offset] = &ett_gsm_bssmap_le_elem[i];
}
/* Register the protocol name and description */
proto_bssmap_le =
proto_register_protocol("Lb-I/F BSSMAP LE", "GSM BSSMAP LE", "gsm_bssmap_le");
proto_register_field_array(proto_bssmap_le, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_gsm_a_bssmap_le = expert_register_protocol(proto_bssmap_le);
expert_register_field_array(expert_gsm_a_bssmap_le, ei, array_length(ei));
register_dissector("gsm_bssmap_le", dissect_bssmap_le, proto_bssmap_le);
}
void
proto_reg_handoff_gsm_bssmap_le(void)
{
dissector_handle_t bssmap_le_handle;
bssmap_le_handle = find_dissector("gsm_bssmap_le");
dissector_add_uint("bssap.pdu_type", BSSAP_PDU_TYPE_BSSMAP, bssmap_le_handle);
gsm_bsslap_handle = find_dissector_add_dependency("gsm_bsslap", proto_bssmap_le);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/