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wireshark/epan/dissectors/packet-rsl.c

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/* packet-rsl.c
* Routines for Radio Signalling Link (RSL) dissection.
*
* Copyright 2007, Anders Broman <anders.broman@ericsson.com>
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-cops.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* REF: 3GPP TS 48.058 version 6.1.0 Release 6
* http://www.3gpp.org/ftp/Specs/html-info/48058.htm
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <epan/packet.h>
#include <epan/proto.h>
#include <epan/lapd_sapi.h>
#include "packet-gsm_a_common.h"
/* Initialize the protocol and registered fields */
static int proto_rsl = -1;
static int hf_rsl_msg_type = -1;
static int hf_rsl_T_bit = -1;
static int hf_rsl_msg_dsc = -1;
static int hf_rsl_ie_id = -1;
static int hf_rsl_ie_length = -1;
static int hf_rsl_ch_no_Cbits = -1;
static int hf_rsl_ch_no_TN = -1;
static int hf_rsl_acc_delay = -1;
static int hf_rsl_rach_slot_cnt = -1;
static int hf_rsl_rach_busy_cnt = -1;
static int hf_rsl_rach_acc_cnt = -1;
static int hf_rsl_req_ref_ra = -1;
static int hf_rsl_req_ref_T1prim = -1;
static int hf_rsl_req_ref_T3 = -1;
static int hf_rsl_req_ref_T2 = -1;
static int hf_rsl_timing_adv = -1;
static int hf_rsl_ho_ref = -1;
static int hf_rsl_ms_power_lev = -1;
static int hf_rsl_ms_fpc = -1;
static int hf_rsl_act_timing_adv = -1;
static int hf_rsl_power_lev = -1;
static int hf_rsl_phy_ctx = -1;
static int hf_rsl_na = -1;
static int hf_rsl_ch_type = -1;
static int hf_rsl_prio = -1;
static int hf_rsl_sapi = -1;
static int hf_rsl_rbit = -1;
static int hf_rsl_a3a2 = -1;
static int hf_rsl_a1_0 = -1;
static int hf_rsl_a1_1 = -1;
static int hf_rsl_a1_2 = -1;
static int hf_rsl_epc_mode = -1;
static int hf_rsl_bs_fpc_epc_mode = -1;
static int hf_rsl_bs_power = -1;
static int hf_rsl_cm_dtxd = -1;
static int hf_rsl_cm_dtxu = -1;
static int hf_rsl_speech_or_data = -1;
static int hf_rsl_ch_rate_and_type = -1;
static int hf_rsl_speech_coding_alg = -1;
static int hf_rsl_t_nt_bit = -1;
static int hf_rsl_ra_if_data_rte = -1;
static int hf_rsl_data_rte = -1;
static int hf_rsl_alg_id = -1;
static int hf_rsl_key = -1;
static int hf_rsl_cause = -1;
static int hf_rsl_rel_mode = -1;
static int hf_rsl_interf_band = -1;
static int hf_rsl_meas_res_no = -1;
static int hf_rsl_extension_bit = -1;
static int hf_rsl_dtxd = -1;
static int hf_rsl_rxlev_full_up = -1;
static int hf_rsl_rxlev_sub_up = -1;
static int hf_rsl_rxqual_full_up = -1;
static int hf_rsl_rxqual_sub_up = -1;
static int hf_rsl_class = -1;
static int hf_rsl_paging_grp = -1;
static int hf_rsl_paging_load = -1;
static int hf_rsl_sys_info_type = -1;
static int hf_rsl_timing_offset = -1;
static int hf_rsl_ch_needed = -1;
static int hf_rsl_cbch_load_type = -1;
static int hf_rsl_msg_slt_cnt = -1;
static int hf_rsl_ch_ind = -1;
static int hf_rsl_command = -1;
static int hf_rsl_emlpp_prio = -1;
static int hf_rsl_rtd = -1;
static int hf_rsl_delay_ind = -1;
static int hf_rsl_tfo = -1;
/* Initialize the subtree pointers */
static int ett_rsl = -1;
static int ett_ie_link_id = -1;
static int ett_ie_act_type = -1;
static int ett_ie_bs_power = -1;
static int ett_ie_ch_id = -1;
static int ett_ie_ch_mode = -1;
static int ett_ie_enc_inf = -1;
static int ett_ie_ch_no = -1;
static int ett_ie_frame_no = -1;
static int ett_ie_ho_ref = -1;
static int ett_ie_l1_inf = -1;
static int ett_ie_L3_inf = -1;
static int ett_ie_ms_id = -1;
static int ett_ie_ms_pow = -1;
static int ett_ie_phy_ctx = -1;
static int ett_ie_paging_grp = -1;
static int ett_ie_paging_load = -1;
static int ett_ie_access_delay = -1;
static int ett_ie_rach_load = -1;
static int ett_ie_req_ref = -1;
static int ett_ie_rel_mode = -1;
static int ett_ie_resource_inf = -1;
static int ett_ie_rlm_cause =-1;
static int ett_ie_staring_time = -1;
static int ett_ie_timing_adv = -1;
static int ett_ie_uplink_meas = -1;
static int ett_ie_full_imm_ass_inf = -1;
static int ett_ie_smscb_inf = -1;
static int ett_ie_ms_timing_offset = -1;
static int ett_ie_err_msg = -1;
static int ett_ie_full_bcch_inf = -1;
static int ett_ie_ch_needed = -1;
static int ett_ie_cb_cmd_type = -1;
static int ett_ie_smscb_mess = -1;
static int ett_ie_cbch_load_inf = -1;
static int ett_ie_smscb_ch_ind = -1;
static int ett_ie_grp_call_ref = -1;
static int ett_ie_ch_desc = -1;
static int ett_ie_nch_drx = -1;
static int ett_ie_cmd_ind = -1;
static int ett_ie_emlpp_prio = -1;
static int ett_ie_uic = -1;
static int ett_ie_main_ch_ref = -1;
static int ett_ie_multirate_conf = -1;
static int ett_ie_multirate_cntrl = -1;
static int ett_ie_sup_codec_types = -1;
static int ett_ie_codec_conf = -1;
static int ett_ie_rtd = -1;
static int ett_ie_tfo_status = -1;
static int ett_ie_llp_apdu = -1;
static int ett_ie_tfo_transp_cont = -1;
static int ett_ie_cause = -1;
static int ett_ie_meas_res_no = -1;
static int ett_ie_message_id = -1;
static int ett_ie_sys_info_type = -1;
proto_tree *top_tree;
dissector_handle_t gsm_a_ccch_handle = NULL;
dissector_handle_t gsm_a_dtap_handle = NULL;
static gboolean is_si2q = FALSE;
/* Forward declarations */
static int dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
static const true_false_string rsl_t_bit_vals = {
"Considered transparent by BTS",
"Not considered transparent by BTS"
};
static const true_false_string rsl_na_vals = {
"Not Applicable",
"Applicable"
};
static const true_false_string rsl_extension_bit_value = {
"Extension",
"No Extension"
};
/*
* 9.1 Message discriminator
*/
static const value_string rsl_msg_disc_vals[] = {
{ 0x00, "Reserved" },
{ 0x01, "Radio Link Layer Management messages" },
{ 0x04, "Dedicated Channel Management messages" },
{ 0x06, "Common Channel Management messages" },
{ 0x08, "TRX Management messages" },
{ 0x16, "Location Services messages" },
{ 0, NULL }
};
/*
* 9.2 MESSAGE TYPE
*/
#define RSL_MSG_TYPE_DATA_REQ 1
#define RSL_MSG_TYPE_DATA_IND 2
#define RSL_MSG_TYPE_ERROR_IND 3
#define RSL_MSG_TYPE_EST_REQ 4
#define RSL_MSG_TYPE_EST_CONF 5
#define RSL_MSG_EST_IND 6
#define RSL_MSG_REL_REQ 7
#define RSL_MSG_REL_CONF 8
#define RSL_MSG_REL_IND 9
#define RSL_MSG_UNIT_DATA_REQ 10
/* Common Channel Management/TRX Management messages */
#define RSL_MSG_BCCH_INFO 17
#define RSL_MSG_CCCH_LOAD_IND 18
#define RSL_MSG_CHANRQD 19
#define RSL_MSG_DELETE_IND 20
#define RSL_MSG_PAGING_CMD 21
#define RSL_MSG_IMM_ASS_CMD 22
#define RSL_MSG_SMS_BC_REQ 23 /* 8.5.7 */
#define RSL_MSG_RF_RES_IND 25 /* 8.6.1 */
#define RSL_MSG_SACCH_FILL 26 /* 8.6.2 */
#define RSL_MSG_OVERLOAD 27 /* 8.6.3 */
#define RSL_MSG_ERROR_REPORT 28 /* 8.6.4 */
#define RSL_MSG_SMS_BC_CMD 29 /* 8.5.8 */
#define RSL_MSG_CBCH_LOAD_IND 30 /* 8.5.9 */
#define RSL_MSG_NOT_CMD 31 /* 8.5.10 */
/* 0 0 1 - - - - - Dedicated Channel Management messages: */
#define RSL_MSG_CHAN_ACTIV 33
#define RSL_MSG_CHAN_ACTIV_ACK 34
#define RSL_MSG_CHAN_ACTIV_N_ACK 35
#define RSL_MSG_CONN_FAIL 36
#define RSL_MSG_DEACTIVATE_SACCH 37
#define RSL_MSG_ENCR_CMD 38 /* 8.4.6 */
#define RSL_MSG_HANDODET 39 /* 8.4.7 */
#define RSL_MSG_MEAS_RES 40 /* 8.4.8 */
#define RSL_MSG_MODE_MODIFY_REQ 41 /* 8.4.9 */
#define RSL_MSG_MODE_MODIFY_ACK 42 /* 8.4.10 */
#define RSL_MSG_MODE_MODIFY_NACK 43 /* 8.4.11 */
#define RSL_MSG_PHY_CONTEXT_REQ 44 /* 8.4.12 */
#define RSL_MSG_PHY_CONTEXT_CONF 45 /* 8.4.13 */
#define RSL_MSG_RF_CHAN_REL 46 /* 8.4.14 */
#define RSL_MSG_MS_POWER_CONTROL 47 /* 8.4.15 */
#define RSL_MSG_BS_POWER_CONTROL 48 /* 8.4.16 */
#define RSL_MSG_PREPROC_CONFIG 49 /* 8.4.17 */
#define RSL_MSG_PREPROC_MEAS_RES 50 /* 8.4.18 */
#define RSL_MSG_RF_CHAN_REL_ACK 51 /* 8.4.19 */
#define RSL_MSG_SACCH_INFO_MODIFY 52 /* 8.4.20 */
#define RSL_MSG_TALKER_DET 53 /* 8.4.21 */
#define RSL_MSG_LISTENER_DET 54 /* 8.4.22 */
#define RSL_MSG_REMOTE_CODEC_CONF_REP 55 /* 8.4.23 */
#define RSL_MSG_R_T_D_REP 56 /* 8.4.24 */
#define RSL_MSG_PRE_HANDO_NOTIF 57 /* 8.4.25 */
#define RSL_MSG_MR_CODEC_MOD_REQ 58 /* 8.4.26 */
#define RSL_MSG_MR_CODEC_MOD_ACK 59 /* 8.4.27 */
#define RSL_MSG_MR_CODEC_MOD_NACK 60 /* 8.4.28 */
#define RSL_MSG_MR_CODEC_MOD_PER 61 /* 8.4.29 */
#define RSL_MSG_TFO_REP 62 /* 8.4.30 */
#define RSL_MSG_TFO_MOD_REQ 63 /* 8.4.31 */
/* 0 1 - - - - - - Location Services messages: */
#define RSL_MSG_LOC_INF 65 /* 8.7.1 */
static const value_string rsl_msg_type_vals[] = {
/* 0 0 0 0 - - - - Radio Link Layer Management messages: */
{ 0x01, "DATA REQuest" }, /* 8.3.1 */
{ 0x02, "DATA INDication" }, /* 8.3.2 */
{ 0x03, "ERROR INDication" }, /* 8.3.3 */
{ 0x04, "ESTablish REQuest" }, /* 8.3.4 */
{ 0x05, "ESTablish CONFirm" }, /* 8.3.5 */
{ 0x06, "ESTablish INDication" }, /* 8.3.6 */
{ 0x07, "RELease REQuest" }, /* 8.3.7 */
{ 0x08, "RELease CONFirm" }, /* 8.3.8 */
{ 0x09, "RELease INDication" }, /* 8.3.9 */
{ 0x0a, "UNIT DATA REQuest" }, /* 8.3.10 */
/* 0 0 0 1 - - - - Common Channel Management/TRX Management messages: */
{ 0x11, "BCCH INFOrmation" }, /* 8.5.1 */
{ 0x12, "CCCH LOAD INDication" }, /* 8.5.2 */
{ 0x13, "CHANnel ReQuireD" }, /* 8.5.3 */
{ 0x14, "DELETE INDication" }, /* 8.5.4 */
{ 0x15, "PAGING CoMmanD" }, /* 8.5.5 */
{ 0x16, "IMMEDIATE ASSIGN COMMAND" }, /* 8.5.6 */
{ 0x17, "SMS BroadCast REQuest" }, /* 8.5.7 */
{ 0x19, "RF RESource INDication" }, /* 8.6.1 */
{ 0x1a, "SACCH FILLing" }, /* 8.6.2 */
{ 0x1b, "OVERLOAD" }, /* 8.6.3 */
{ 0x1c, "ERROR REPORT" }, /* 8.6.4 */
{ 0x1d, "SMS BroadCast CoMmanD" }, /* 8.5.8 */
{ 0x1e, "CBCH LOAD INDication" }, /* 8.5.9 */
{ 0x1f, "NOTification CoMmanD" }, /* 8.5.10 */
/* 0 0 1 - - - - - Dedicated Channel Management messages: */
{ 0x21, "CHANnel ACTIVation" }, /* 8.4.1 */
{ 0x22, "CHANnel ACTIVation ACKnowledge" }, /* 8.4.2 */
{ 0x23, "CHANnel ACTIVation Negative ACK" }, /* 8.4.3 */
{ 0x24, "CONNection FAILure" }, /* 8.4.4 */
{ 0x25, "DEACTIVATE SACCH" }, /* 8.4.5 */
{ 0x26, "ENCRyption CoMmanD" }, /* 8.4.6 */
{ 0x27, "HANDOver DETection" }, /* 8.4.7 */
{ 0x28, "MEASurement RESult" }, /* 8.4.8 */
{ 0x29, "MODE MODIFY REQuest" }, /* 8.4.9 */
{ 0x2a, "MODE MODIFY ACKnowledge" }, /* 8.4.10 */
{ 0x2b, "MODE MODIFY Negative ACKnowledge" }, /* 8.4.11 */
{ 0x2c, "PHYsical CONTEXT REQuest" }, /* 8.4.12 */
{ 0x2d, "PHYsical CONTEXT CONFirm" }, /* 8.4.13 */
{ 0x2e, "RF CHANnel RELease" }, /* 8.4.14 */
{ 0x2f, "MS POWER CONTROL" }, /* 8.4.15 */
{ 0x30, "BS POWER CONTROL" }, /* 8.4.16 */
{ 0x31, "PREPROCess CONFIGure" }, /* 8.4.17 */
{ 0x32, "PREPROCessed MEASurement RESult" }, /* 8.4.18 */
{ 0x33, "RF CHANnel RELease ACKnowledge" }, /* 8.4.19 */
{ 0x34, "SACCH INFO MODIFY" }, /* 8.4.20 */
{ 0x35, "TALKER DETection" }, /* 8.4.21 */
{ 0x36, "LISTENER DETection" }, /* 8.4.22 */
{ 0x37, "REMOTE CODEC CONFiguration REPort" }, /* 8.4.23 */
{ 0x38, "Round Trip Delay REPort" }, /* 8.4.24 */
{ 0x39, "PRE-HANDOver NOTIFication" }, /* 8.4.25 */
{ 0x3a, "MultiRate CODEC MODification REQest" }, /* 8.4.26 */
{ 0x3b, "MultiRate CODEC MOD ACKnowledge" }, /* 8.4.27 */
{ 0x3c, "MultiRate CODEC MOD Negative ACKnowledge" }, /* 8.4.28 */
{ 0x3d, "MultiRate CODEC MOD PERformed" }, /* 8.4.29 */
{ 0x3e, "TFO REPort" }, /* 8.4.30 */
{ 0x3f, "TFO MODification REQuest" }, /* 8.4.31 */
/* 0 1 - - - - - - Location Services messages: */
{ 0x41, "Location Information" }, /* 8.7.1 */
{ 0, NULL }
};
#define RSL_IE_CH_NO 1
#define RSL_IE_LINK_ID 2
#define RSL_IE_ACT_TYPE 3
#define RSL_IE_BS_POW 4
#define RSL_IE_CH_ID 5
#define RSL_IE_CH_MODE 6
#define RSL_IE_ENC_INF 7
#define RSL_IE_FRAME_NO 8
#define RSL_IE_HO_REF 9
#define RSL_IE_L1_INF 10
#define RSL_IE_L3_INF 11
#define RSL_IE_MS_ID 12
#define RSL_IE_MS_POW 13
#define RSL_IE_PAGING_GRP 14
#define RSL_IE_PAGING_LOAD 15
#define RSL_IE_PHY_CTX 16
#define RSL_IE_ACCESS_DELAY 17
#define RSL_IE_RACH_LOAD 18
#define RSL_IE_REQ_REF 19
#define RSL_IE_REL_MODE 20
#define RSL_IE_RESOURCE_INF 21
#define RSL_IE_RLM_CAUSE 22
#define RSL_IE_STARTING_TIME 23
#define RSL_IE_TIMING_ADV 24
#define RSL_IE_UPLINK_MEAS 25
#define RSL_IE_CAUSE 26
#define RSL_IE_MEAS_RES_NO 27
#define RSL_IE_MESSAGE_ID 28
#define RSL_IE_SYS_INFO_TYPE 30
#define RSL_IE_FULL_IMM_ASS_INF 35
#define RSL_IE_SMSCB_INF 36
#define RSL_IE_FULL_MS_TIMING_OFFSET 37
#define RSL_IE_ERR_MSG 38
#define RSL_IE_FULL_BCCH_INF 39
#define RSL_IE_CH_NEEDED 40
#define RSL_IE_CB_CMD_TYPE 41
#define RSL_IE_SMSCB_MESS 42
#define RSL_IE_CBCH_LOAD_INF 43
#define RSL_IE_SMSCB_CH_IND 46
#define RSL_IE_GRP_CALL_REF 47
#define RSL_IE_CH_DESC 48
#define RSL_IE_NCH_DRX_INF 49
#define RSL_IE_CMD_IND 50
#define RSL_IE_EMLPP_PRIO 51
#define RSL_IE_UIC 52
#define RSL_IE_MAIN_CH_REF 53
#define RSL_IE_MULTIRATE_CONF 54
#define RSL_IE_MULTIRATE_CNTRL 55
#define RSL_IE_SUP_CODEC_TYPES 56
#define RSL_IE_CODEC_CONF 57
#define RSL_IE_RTD 58
#define RSL_IE_TFO_STATUS 59
#define RSL_IE_LLP_APDU 60
#define RSL_IE_TFO_TRANSP_CONT 61
static const value_string rsl_ie_type_vals[] = {
{ 0x01, "Channel Number" }, /* 9.3.1 */
{ 0x02, "Link Identifier" }, /* 9.3.2 */
{ 0x03, "Activation Type" }, /* 9.3.3 */
{ 0x04, "BS Power" }, /* 9.3.4 */
{ 0x05, "Channel Identification" }, /* 9.3.5 */
{ 0x06, "Channel Mode" }, /* 9.3.6 */
{ 0x07, "Encryption Information" }, /* 9.3.7 */
{ 0x08, "Frame Number" }, /* 9.3.8 */
{ 0x09, "Handover Reference" }, /* 9.3.9 */
{ 0x0a, "L1 Information" }, /* 9.3.10 */
{ 0x0b, "L3 Information" }, /* 9.3.11 */
{ 0x0c, "MS Identity" }, /* 9.3.12 */
{ 0x0d, "MS Power" }, /* 9.3.13 */
{ 0x0e, "Paging Group" }, /* 9.3.14 */
{ 0x0f, "Paging Load" }, /* 9.3.15 */
{ 0x10, "Physical Context" }, /* 9.3.16 */
{ 0x11, "Access Delay" }, /* 9.3.17 */
{ 0x12, "RACH Load" }, /* 9.3.18 */
{ 0x13, "Request Reference" }, /* 9.3.19 */
{ 0x14, "Release Mode" }, /* 9.3.20 */
{ 0x15, "Resource Information" }, /* 9.3.21 */
{ 0x16, "RLM Cause" }, /* 9.3.22 */
{ 0x17, "Starting Time" }, /* 9.3.23 */
{ 0x18, "Timing Advance" }, /* 9.3.24 */
{ 0x19, "Uplink Measurements" }, /* 9.3.25 */
{ 0x1a, "Cause" }, /* 9.3.26 */
{ 0x1b, "Measurement Result Number" }, /* 9.3.27 */
{ 0x1c, "Message Identifier" }, /* 9.3.28 */
{ 0x1d, "reserved" }, /* */
{ 0x1e, "System Info Type" }, /* 9.3.30 */
{ 0x1f, "MS Power Parameters" }, /* 9.3.31 */
{ 0x20, "BS Power Parameters" }, /* 9.3.32 */
{ 0x21, "Pre-processing Parameters" }, /* 9.3.33 */
{ 0x22, "Pre-processed Measurements" }, /* 9.3.34 */
{ 0x23, "reserved" }, /* */
{ 0x24, "SMSCB Information" }, /* 9.3.36 */
{ 0x25, "MS Timing Offset" }, /* 9.3.37 */
{ 0x26, "Erroneous Message" }, /* 9.3.38 */
{ 0x27, "Full BCCH Information" }, /* 9.3.39 */
{ 0x28, "Channel Needed" }, /* 9.3.40 */
{ 0x29, "CB Command type" }, /* 9.3.41 */
{ 0x2a, "SMSCB Message" }, /* 9.3.42 */
{ 0x2b, "Full Immediate Assign Info" }, /* 9.3.35 */
{ 0x2c, "SACCH Information" }, /* 9.3.29 */
{ 0x2d, "CBCH Load Information" }, /* 9.3.43 */
{ 0x2e, "SMSCB Channel Indicator" }, /* 9.3.44 */
{ 0x2f, "Group Call Reference" }, /* 9.3.45 */
{ 0x30, "Channel Description" }, /* 9.3.46 */
{ 0x31, "NCH DRX Information" }, /* 9.3.47 */
{ 0x32, "Command Indicator" }, /* 9.3.48 */
{ 0x33, "eMLPP Priority" }, /* 9.3.49 */
{ 0x34, "UIC" }, /* 9.3.50 */
{ 0x35, "Main Channel Reference" }, /* 9.3.51 */
{ 0x36, "MultiRate Configuration" }, /* 9.3.52 */
{ 0x37, "MultiRate Control" }, /* 9.3.53 */
{ 0x38, "Supported Codec Types" }, /* 9.3.54 */
{ 0x39, "Codec Configuration" }, /* 9.3.55 */
{ 0x3a, "Round Trip Delay" }, /* 9.3.56 */
{ 0x3b, "TFO Status" }, /* 9.3.57 */
{ 0x3c, "LLP APDU" }, /* 9.3.58 */
{ 0x3d, "TFO Transparent Container" }, /* 9.3.59 */
/*
0 0 1 1 1 1 1 0
to
1 1 1 0 1 1 1 1
Reserved for future use
1 1 1 1 0 0 0 0
to
1 1 1 1 1 1 1 1
Not used
*/
{ 0, NULL }
};
/*
C5 C4 C3 C2 C1
0 0 0 0 1 Bm + ACCH's
0 0 0 1 T Lm + ACCH's
0 0 1 T T SDCCH/4 + ACCH
0 1 T T T SDCCH/8 + ACCH
1 0 0 0 0 BCCH
1 0 0 0 1 Uplink CCCH (RACH)
1 0 0 1 0 Downlink CCCH (PCH + AGCH)
*/
static const value_string rsl_ch_no_Cbits_vals[] = {
{ 0x01, "Bm + ACCH's" },
{ 0x03, "Lm + ACCH's" },
{ 0x03, "Lm + ACCH's" },
{ 0x04, "SDCCH/4 + ACCH" },
{ 0x05, "SDCCH/4 + ACCH" },
{ 0x06, "SDCCH/4 + ACCH" },
{ 0x07, "SDCCH/4 + ACCH" },
{ 0x08, "SDCCH/8 + ACCH" },
{ 0x09, "SDCCH/8 + ACCH" },
{ 0x0a, "SDCCH/8 + ACCH" },
{ 0x0b, "SDCCH/8 + ACCH" },
{ 0x0c, "SDCCH/8 + ACCH" },
{ 0x0d, "SDCCH/8 + ACCH" },
{ 0x0e, "SDCCH/8 + ACCH" },
{ 0x0f, "SDCCH/8 + ACCH" },
{ 0x10, "BCCH" },
{ 0x11, "Uplink CCCH (RACH)" },
{ 0x12, "Downlink CCCH (PCH + AGCH)" },
{ 0, NULL }
};
/* 9.3.1 Channel number 9.3.1 M TV 2 */
static int
dissect_rsl_ie_ch_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CH_NO)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Channel number IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_ch_no);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* C-bits */
proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, FALSE);
/* TN is time slot number, binary represented as in 3GPP TS 45.002.
* 3 Bits
*/
proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE);
offset++;
return offset;
}
static const value_string rsl_ch_type_vals[] = {
{ 0x00, "Main signalling channel (FACCH or SDCCH)" },
{ 0x01, "SACCH" },
{ 0, NULL }
};
static const value_string rsl_prio_vals[] = {
{ 0x00, "Normal Priority" },
{ 0x01, "High Priority" },
{ 0x02, "Low Priority" },
{ 0, NULL }
};
/*
* 9.3.2 Link Identifier M TV 2
*/
static int
dissect_rsl_ie_link_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 octet;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_LINK_ID)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2, "Link Identifier IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_link_id);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
octet = tvb_get_guint8(tvb,offset);
if((octet&0x20) == 0x20){
/* Not applicable */
proto_tree_add_item(ie_tree, hf_rsl_na, tvb, offset, 1, FALSE);
return offset++;
}
/* channel type */
proto_tree_add_item(ie_tree, hf_rsl_ch_type, tvb, offset, 1, FALSE);
/* NA - Not applicable */
proto_tree_add_item(ie_tree, hf_rsl_na, tvb, offset, 1, FALSE);
/* Priority */
proto_tree_add_item(ie_tree, hf_rsl_prio, tvb, offset, 1, FALSE);
/* SAPI
* The SAPI field contains the SAPI value as defined in 3GPP TS 44.005.
*/
proto_tree_add_item(ie_tree, hf_rsl_sapi, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.3 Activation Type
*/
static const true_false_string rsl_rbit_vals = {
"Reactivation",
"Initial activation"
};
static const value_string rsl_a3a2_vals[] = {
{ 0x00, "Activation related to intra-cell channel change" },
{ 0x01, "Activation related to inter-cell channel change (handover)" },
{ 0x02, "Activation related to secondary channels" },
{ 0, NULL }
};
static const true_false_string rsl_a1_0_vals = {
"related to normal assignment procedure",
"related to immediate assignment procedure"
};
static const true_false_string rsl_a1_1_vals = {
"related to synchronous handover procedure",
"related to asynchronous handover procedure"
};
static const true_false_string rsl_a1_2_vals = {
"related to multislot configuration",
"related to additional assignment procedure"
};
static int
dissect_rsl_ie_act_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
guint octet;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_ACT_TYPE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Activation Type IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_act_type);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* The R bit indicates if the procedure is an initial activation or a reactivation. */
proto_tree_add_item(ie_tree, hf_rsl_rbit, tvb, offset, 1, FALSE);
/* The A-bits indicate the type of activation, which defines the access procedure
* and the operation of the data link layer
*/
octet = (tvb_get_guint8(tvb,offset) & 0x06)>>1;
proto_tree_add_item(ie_tree, hf_rsl_a3a2, tvb, offset, 1, FALSE);
switch(octet){
case 0:
/* Activation related to intra-cell channel change */
proto_tree_add_item(ie_tree, hf_rsl_a1_0, tvb, offset, 1, FALSE);
break;
case 1:
/* Activation related to inter-cell channel change (handover) */
proto_tree_add_item(ie_tree, hf_rsl_a1_1, tvb, offset, 1, FALSE);
break;
case 2:
/* Activation related to secondary channels */
proto_tree_add_item(ie_tree, hf_rsl_a1_2, tvb, offset, 1, FALSE);
break;
default:
break;
}
offset++;
return offset;
}
/*
* 9.3.4 BS Power
*/
static const true_false_string rsl_epc_mode_vals = {
"Channel in EPC mode",
"Channel not in EPC mode"
};
static const true_false_string rsl_fpc_epc_mode_vals = {
"Fast Power Control in use",
"Fast Power Control not in use"
};
static const value_string rsl_rlm_bs_power_vals[] = {
{ 0x00, "Pn" },
{ 0x01, "Pn - 2 dB" },
{ 0x02, "Pn - 4 dB" },
{ 0x03, "Pn - 6 dB" },
{ 0x04, "Pn - 8 dB" },
{ 0x05, "Pn - 10 dB" },
{ 0x06, "Pn - 12 dB" },
{ 0x07, "Pn - 14 dB" },
{ 0x08, "Pn - 16 dB" },
{ 0x09, "Pn - 18 dB" },
{ 0x0a, "Pn - 20 dB" },
{ 0x0b, "Pn - 22 dB" },
{ 0x0c, "Pn - 24 dB" },
{ 0x0d, "Pn - 26 dB" },
{ 0x0e, "Pn - 28 dB" },
{ 0x0f, "Pn - 30 dB" },
{ 0, NULL }
};
static int
dissect_rsl_ie_bs_power(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_BS_POW)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"BS Power IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_bs_power);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* EPC mode */
proto_tree_add_item(ie_tree, hf_rsl_epc_mode, tvb, offset, 1, FALSE);
/* FPC_EPC mode */
proto_tree_add_item(ie_tree, hf_rsl_bs_fpc_epc_mode, tvb, offset, 1, FALSE);
/* The Power Level field (octet 2) indicates the number of 2 dB steps by
* which the power shall be reduced from its nominal value, Pn,
* set by the network operator to adjust the coverage.
* Thus the Power Level values correspond to the following powers (relative to Pn):
*/
proto_tree_add_item(ie_tree, hf_rsl_bs_power, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.5 Channel Identification
*/
static int
dissect_rsl_ie_ch_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 length;
int ie_offset;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CH_ID)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Identification IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ch_id);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* 3GPP TS 44.018 "Channel Description" */
de_rr_ch_dsc(tvb, ie_tree, offset, length, NULL, 0);
/*
* The 3GPP TS 24.008 "Mobile Allocation" shall for compatibility reasons be
* included but empty, i.e. the length shall be zero.
*/
return ie_offset + length;
}
/*
* 9.3.6 Channel Mode
*/
static const true_false_string rsl_dtx_vals = {
"DTX is applied",
"DTX is not applied"
};
static const value_string rsl_speech_or_data_vals[] = {
{ 0x01, "Speech" },
{ 0x02, "Data" },
{ 0x03, "Signalling" },
{ 0, NULL }
};
static const value_string rsl_ch_rate_and_type_vals[] = {
{ 0x01, "SDCCH" },
{ 0x08, "Full rate TCH channel Bm" },
{ 0x09, "Half rate TCH channel Lm" },
{ 0x0a, "Full rate TCH channel bi-directional Bm, Multislot configuration" },
{ 0x1a, "Full rate TCH channel uni-directional downlink Bm, Multislot configuration" },
{ 0x18, "Full rate TCH channel Bm Group call channel" },
{ 0x19, "Half rate TCH channel Lm Group call channel" },
{ 0x28, "Full rate TCH channel Bm Broadcast call channel" },
{ 0x29, "PHalf rate TCH channel Lm Broadcast call channel" },
{ 0, NULL }
};
static const value_string rsl_speech_coding_alg_vals[] = {
{ 0x01, "GSM speech coding algorithm version 1: GSM FR or GSM HR" },
{ 0x11, "GSM speech coding algorithm version 2: GSM EFR (half rate not defined in this version of the protocol)" },
{ 0x21, "GSM speech coding algorithm version 3: FR AMR or HR AMR" },
{ 0x31, "GSM speech coding algorithm version 4: OFR AMR-WB or OHR AMR-WB" },
{ 0x09, "GSM speech coding algorithm version 5: FR AMR-WB" },
{ 0x0d, "GSM speech coding algorithm version 6: OHR AMR" },
{ 0, NULL }
};
static const true_false_string t_nt_bit_vals = {
"Non-transparent service",
"Transparent service"
};
static const value_string rsl_ra_if_data_rte_vals[] = {
{ 0x21, "asymmetric 43.5 kbit/s (downlink) + 14.5 kbit/s (uplink)" },
{ 0x22, "asymmetric 29.0 kbit/s (downlink) + 14.5 kbit/s (uplink)" },
{ 0x23, "asymmetric 43.5 kbit/s (downlink) + 29.0 kbit/s (uplink)" },
{ 0x29, "asymmetric 14.5 kbit/s (downlink) + 43.5 kbit/s (uplink)" },
{ 0x2a, "asymmetric 14.5 kbit/s (downlink) + 29.0 kbit/s (uplink)" },
{ 0x2b, "asymmetric 29.0 kbit/s (downlink) + 43.5 kbit/s (uplink)" },
{ 0x34, "43.5 kbit/s" },
{ 0x31, "28.8 kbit/s" },
{ 0x18, "14.5 kbit/s" },
{ 0x10, "12 kbit/s" },
{ 0x11, "6 kbit/s" },
{ 0, NULL }
};
static const value_string rsl_data_rte_vals[] = {
{ 0x38, "32 kbit/s" },
{ 0x22, "39 kbit/s" },
{ 0x18, "14.4 kbit/s" },
{ 0x10, "9.6 kbit/s" },
{ 0x11, "4.8 kbit/s" },
{ 0x12, "2.4 kbit/s" },
{ 0x13, "1.2 kbit/s" },
{ 0x14, "600 bit/s" },
{ 0x15, "1 200/75 bit/s (1 200 network-to-MS, 75 MS-to-network)" },
{ 0, NULL }
};
static int
dissect_rsl_ie_ch_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 length;
int ie_offset;
guint8 ie_id;
guint8 octet;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CH_MODE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Mode IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ch_mode);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* The DTX bits of octet 3 indicate whether DTX is applied
* DTXd indicates use of DTX in the downlink direction (BTS to MS) and
* DTXu indicates use of DTX in the uplink direction (MS to BTS).
*/
proto_tree_add_item(ie_tree, hf_rsl_cm_dtxd, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_cm_dtxu, tvb, offset, 1, FALSE);
offset++;
/* The "Speech or data indicator" field (octet 4) */
proto_tree_add_item(ie_tree, hf_rsl_speech_or_data, tvb, offset, 1, FALSE);
octet = tvb_get_guint8(tvb,offset);
offset++;
/* Channel rate and type */
proto_tree_add_item(ie_tree, hf_rsl_ch_rate_and_type, tvb, offset, 1, FALSE);
offset++;
/* Speech coding algor./data rate + transp ind */
switch(octet){
case 1:
/* Speech */
proto_tree_add_item(ie_tree, hf_rsl_speech_coding_alg, tvb, offset, 1, FALSE);
break;
case 2:
/* Data */
proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_t_nt_bit, tvb, offset, 1, FALSE);
octet = tvb_get_guint8(tvb,offset);
if ((octet&0x40)==0x40){
/* Non-transparent service */
/* For the non-transparent service, bits 6 to 1 indicate the radio interface data rate:*/
proto_tree_add_item(ie_tree, hf_rsl_ra_if_data_rte, tvb, offset, 1, FALSE);
}else{
/* For the transparent service, bits 6-1 indicate the data rate: */
proto_tree_add_item(ie_tree, hf_rsl_data_rte, tvb, offset, 1, FALSE);
}
break;
case 3:
/* Signalling
* If octet 4 indicates signalling then octet 6 is coded as follows:
* 0000 0000 No resources required
*/
proto_tree_add_text(tree, tvb,offset,1,"0 No resources required(All other values are reserved)");
break;
default:
/* Should not happen */
proto_tree_add_text(ie_tree, tvb,offset,1,"Speech or data indicator != 1,2 or 3");
break;
}
offset++;
return ie_offset + length;
}
/*
* 9.3.7 Encryption information
*/
/* The Algorithm Identifier field (octet 3) indicates the relevant ciphering algorithm. It is coded as: */
static const value_string rsl_algorithm_id_vals[] = {
{ 0x00, "Pn" },
{ 0x00, "Reserved" },
{ 0x01, "No encryption shall be used" },
{ 0x02, "GSM encryption algorithm version 1 (A5/1)" },
{ 0x03, "GSM A5/2" },
{ 0x04, "GSM A5/3" },
{ 0x05, "GSM A5/4" },
{ 0x06, "GSM A5/5" },
{ 0x07, "GSM A5/6" },
{ 0x08, "GSM A5/7" },
{ 0, NULL }
};
static int
dissect_rsl_ie_enc_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_ENC_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Encryption information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_enc_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* Algorithm Identifier field (octet 3) */
proto_tree_add_item(ie_tree, hf_rsl_alg_id, tvb, offset, 1, FALSE);
/* key */
proto_tree_add_item(ie_tree, hf_rsl_key, tvb, offset+1, length -1, FALSE);
return offset + length;
}
/*
* 9.3.8 Frame Number
*/
static int
dissect_rsl_ie_frame_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_FRAME_NO)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,3,"Frame Number IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_frame_no);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.9 Handover reference
*/
static int
dissect_rsl_ie_ho_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_HO_REF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Handover reference IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ho_ref);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Hand-over reference */
proto_tree_add_item(ie_tree, hf_rsl_ho_ref, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.10 L1 Information
*/
static int
dissect_rsl_ie_l1_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_L1_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset, 3,"L1 Information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_l1_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Octets 2-3 contain the L1 header information of SACCH blocks.
* The information fields and codings are as defined in 3GPP TS 44.004.
*/
/* Power level */
proto_tree_add_item(ie_tree, hf_rsl_ms_power_lev, tvb, offset, 1, FALSE);
/* FPC */
proto_tree_add_item(ie_tree, hf_rsl_ms_fpc, tvb, offset, 1, FALSE);
offset++;
/* Actual Timing Advance */
proto_tree_add_item(ie_tree, hf_rsl_act_timing_adv, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.11 L3 Information 9.3.11 M TLV >=3
*
* This element contains a link layer service data unit (L3 message).
* It is used to forward a complete L3 message as specified in
* 3GPP TS 24.008 or 3GPP TS 44.018 between BTS and BSC.
*/
static int
dissect_rsl_ie_L3_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
tvbuff_t *next_tvb;
guint16 length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_L3_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"L3 Information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_L3_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_ntohs(tvb, offset);
proto_item_set_len(ti, length+3);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 2, FALSE);
offset= offset+2;
/* Link Layer Service Data Unit (i.e. a layer 3 message
* as defined in 3GPP TS 24.008 or 3GPP TS 44.018)
*/
proto_tree_add_text(ie_tree, tvb,offset,length,"Link Layer Service Data Unit ( L3 Message)");
next_tvb = tvb_new_subset(tvb, offset, length, length);
call_dissector(gsm_a_dtap_handle, next_tvb, pinfo, top_tree);
offset = offset + length;
return offset;
}
/*
* 9.3.12 MS Identity
*/
static int
dissect_rsl_ie_ms_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MS_ID)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"MS Identity IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ms_id);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
de_mid(tvb, ie_tree, offset, length, NULL, 0);
offset = offset + length;
return offset;
}
static const true_false_string rsl_ms_fpc_epc_mode_vals = {
"In use",
"Not in use"
};
/*
* 9.3.13 MS Power
*/
static int
dissect_rsl_ie_ms_pow(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MS_POW)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset, 2,"MS Power IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ms_pow);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* MS power level */
proto_tree_add_item(ie_tree, hf_rsl_ms_power_lev, tvb, offset, 1, FALSE);
/* FPC */
proto_tree_add_item(ie_tree, hf_rsl_ms_fpc, tvb, offset, 1, FALSE);
/* Reserved */
offset++;
return offset;
}
/*
* 9.3.14 Paging Group M TV 2 2
*/
static int
dissect_rsl_ie_paging_grp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_PAGING_GRP)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Paging Group IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_paging_grp);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* The Paging Group field (octet 2) contains the binary representation of the paging
* group as defined in 3GPP TS 45.002.
*/
proto_tree_add_item(ie_tree, hf_rsl_paging_grp, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.15 Paging Load
*/
static int
dissect_rsl_ie_paging_load(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_PAGING_LOAD)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,3,"Paging Load IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_paging_load);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/*
* Paging Buffer Space.
*/
proto_tree_add_item(ie_tree, hf_rsl_paging_load, tvb, offset, 2, FALSE);
offset = offset + 2;
return offset;
}
/*
* 9.3.16 Physical Context TLV
*/
static int
dissect_rsl_ie_phy_ctx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_PHY_CTX)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Physical Context IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_phy_ctx);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/*
* Physical Context Information:
* The Physical Context Information field is not specified.
* This information should not be analysed by BSC, but merely
* forwarded from one TRX/channel to another.
*/
proto_tree_add_item(ie_tree, hf_rsl_phy_ctx, tvb, offset, length, FALSE);
offset = offset + length;
return offset;
}
/*
* 9.3.17 Access Delay M TV 2
*/
static int
dissect_rsl_ie_access_delay(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_ACCESS_DELAY)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Access Delay IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_access_delay);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_acc_delay, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.18 RACH Load
*/
static int
dissect_rsl_ie_rach_load(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
int ie_offset;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_RACH_LOAD)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"RACH Load IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_rach_load);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/*
* This element is used to carry information on the load of the RACH (Random Access Channel)
* associated with this CCCH timeslot. It is of variable length.
*/
/* RACH Slot Count */
proto_tree_add_item(ie_tree, hf_rsl_rach_slot_cnt, tvb, offset, 2, FALSE);
offset = offset +2;
length = length -2;
/* RACH Busy Count */
proto_tree_add_item(ie_tree, hf_rsl_rach_busy_cnt, tvb, offset, 2, FALSE);
offset = offset +2;
length = length -2;
/* RACH Access Count */
proto_tree_add_item(ie_tree, hf_rsl_rach_acc_cnt, tvb, offset, 2, FALSE);
offset = offset +2;
length = length -2;
/* Supplementary Information */
if( length > 0){
proto_tree_add_text(ie_tree, tvb, offset,length ,"Supplementary Information");
}
offset = ie_offset + length;
return offset;
}
/*
* 9.3.19 Request Reference M TV 4
*/
static int
dissect_rsl_ie_req_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_REQ_REF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,4,"Request Reference IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_req_ref);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_ra, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE);
offset++;
return offset;
}
static const value_string rel_mode_vals[] = {
{ 0x00, "Normal Release" },
{ 0x01, "Local End Release" },
{ 0, NULL }
};
/*
* 9.3.20 Release Mode 9.3.20 M TV 2
*/
static int
dissect_rsl_ie_rel_mode(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_REL_MODE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,4,"Release Mode IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_rel_mode);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* The M bit is coded as follows:
* 0 normal release
* 1 local end release
*/
proto_tree_add_item(ie_tree, hf_rsl_rel_mode, tvb, offset, 1, FALSE);
offset++;
return offset;
}
static const value_string rsl_rlm_cause_vals[] = {
{ 0x00, "reserved" },
{ 0x01, "timer T200 expired (N200+1) times" },
{ 0x02, "re-establishment request" },
{ 0x03, "unsolicited UA response" },
{ 0x04, "unsolicited DM response" },
{ 0x05, "unsolicated DM response, multiple frame established state" },
{ 0x06, "unsolicited supervisory response" },
{ 0x07, "sequence error" },
{ 0x08, "U-frame with incorrect parameters" },
{ 0x09, "S-frame with incorrect parameters" },
{ 0x0a, "I-frame with incorrect use of M bit" },
{ 0x0b, "I-frame with incorrect length" },
{ 0x0c, "frame not implemented" },
{ 0x0d, "SABM command, multiple frame established state" },
{ 0x0e, "SABM frame with information not allowed in this state" },
{ 0, NULL }
};
/*
* 9.3.21 Resource Information
*/
static int
dissect_rsl_ie_resource_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
guint length;
int ie_offset;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_RESOURCE_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Resource Information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_resource_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
while (length > 0){
proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, FALSE);
/* TN is time slot number, binary represented as in 3GPP TS 45.002.
* 3 Bits
*/
proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE);
offset++;
/* Interference level (1) */
/* Interf Band */
proto_tree_add_item(ie_tree, hf_rsl_interf_band, tvb, offset, 1, FALSE);
offset++;
length = length - 2;
}
return ie_offset + length;
}
/*
* 9.3.22 RLM Cause 9.3.22 M TLV 2-4
*/
static int
dissect_rsl_ie_rlm_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 octet;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_RLM_CAUSE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"RLM Cause IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_rlm_cause);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* The Cause Value is a one octet field if the extension bit is set to 0.
* If the extension bit is set to 1, the Cause Value is a two octet field.
*/
octet = tvb_get_guint8(tvb,offset);
proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_cause, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.23 Starting Time
*/
static int
dissect_rsl_ie_staring_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_STARTING_TIME)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,3,"Starting Time IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_staring_time);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.24 Timing Advance
*/
static int
dissect_rsl_ie_timing_adv(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_TIMING_ADV)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Timing Advance IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_timing_adv);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_timing_adv, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.25 Uplink Measurements
*/
static const true_false_string rsl_dtxd_vals = {
"Employed",
"Not employed"
};
static int
dissect_rsl_ie_uplik_meas(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
int ie_offset;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_UPLINK_MEAS)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Uplink Measurements IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_uplink_meas);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* Octet 3
* 8 7 6 5 4 3 2 1
* rfu DTXd | RXLEV.FULL.up
*/
proto_tree_add_item(ie_tree, hf_rsl_dtxd, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_rxlev_full_up, tvb, offset, 1, FALSE);
offset++;
/* Octet4
* 8 7 6 5 4 3 2 1
* Reserved | RXLEV.SUB.up 4
*/
proto_tree_add_item(ie_tree, hf_rsl_rxlev_sub_up, tvb, offset, 1, FALSE);
offset++;
/* Octet 5
* 8 7 6 5 4 3 2 1
* Reserved | RXQUAL.FULL.up | RXQUAL.SUB.up
*/
proto_tree_add_item(ie_tree, hf_rsl_rxqual_full_up, tvb, offset, 1, FALSE);
proto_tree_add_item(ie_tree, hf_rsl_rxqual_sub_up, tvb, offset, 1, FALSE);
offset++;
/* Octet 6 - N
* Supplementary Measurement Information
*/
return ie_offset+length;
}
static const value_string rsl_class_vals[] = {
{ 0x00, "Normal event" },
{ 0x01, "Normal event" },
{ 0x02, "Resource unavailable" },
{ 0x03, "Service or option not available" },
{ 0x04, "Service or option not implemented" },
{ 0x05, "Invalid message (e.g. parameter out of range)" },
{ 0x06, "Protocol error" },
{ 0x07, "Interworking" },
{ 0, NULL }
};
/*
* 9.3.26 Cause
*/
static int
dissect_rsl_ie_cause(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 octet;
int ie_offset;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CAUSE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Cause IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_cause);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* Cause Value */
octet = tvb_get_guint8(tvb,offset);
proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE);
proto_tree_add_item(tree, hf_rsl_class, tvb, offset, 1, FALSE);
if ((octet & 0x80) == 80)
/* Cause Extension*/
offset++;
/* Diagnostic(s) if any */
return ie_offset+length;
}
/*
* 9.3.27 Measurement result number
*/
static int
dissect_rsl_ie_meas_res_no(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MEAS_RES_NO)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"Measurement result number IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_meas_res_no);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Measurement result number */
proto_tree_add_item(ie_tree, hf_rsl_meas_res_no, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.28 Message Identifier
*/
static int
dissect_rsl_ie_message_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MESSAGE_ID)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Message Identifier IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_message_id);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Message Type */
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.30 System Info Type
*/
static const value_string rsl_sys_info_type_vals[] = {
{ 0x00, "SYSTEM INFORMATION 8" },
{ 0x01, "SYSTEM INFORMATION 1" },
{ 0x02, "SYSTEM INFORMATION 2" },
{ 0x03, "SYSTEM INFORMATION 3" },
{ 0x04, "SYSTEM INFORMATION 4" },
{ 0x05, "SYSTEM INFORMATION 5" },
{ 0x06, "SYSTEM INFORMATION 6" },
{ 0x07, "SYSTEM INFORMATION 7" },
{ 0x08, "SYSTEM INFORMATION 16" },
{ 0x09, "SYSTEM INFORMATION 17" },
{ 0x0a, "SYSTEM INFORMATION 2bis" },
{ 0x0b, "SYSTEM INFORMATION 2ter" },
{ 0x0d, "SYSTEM INFORMATION 5bis" },
{ 0x0e, "SYSTEM INFORMATION 5ter" },
{ 0x0f, "SYSTEM INFORMATION 10" },
{ 0x47, "EXTENDED MEASUREMENT ORDER" },
{ 0x48, "MEASUREMENT INFORMATION" },
{ 0x28, "SYSTEM INFORMATION 13" },
{ 0x29, "SYSTEM INFORMATION 2quater" },
{ 0x2a, "SYSTEM INFORMATION 9" },
{ 0x2b, "SYSTEM INFORMATION 18" },
{ 0x2c, "SYSTEM INFORMATION 19" },
{ 0x2d, "SYSTEM INFORMATION 20" },
{ 0, NULL }
};
static int
dissect_rsl_ie_sys_info_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id, sitype;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_SYS_INFO_TYPE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"System Info Type IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_sys_info_type);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Message Type */
proto_tree_add_item(tree, hf_rsl_sys_info_type, tvb, offset, 1, FALSE);
sitype = tvb_get_guint8(tvb, offset);
offset++;
/* Check if SI is 2q, if so set flag */
if (sitype==0x29) {
is_si2q = TRUE; }
return offset;
}
/*
* 9.3.35 Full Immediate Assign Info TLV 25
*/
static int
dissect_rsl_ie_full_imm_ass_inf(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
tvbuff_t *next_tvb;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_FULL_IMM_ASS_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Full Immediate Assign Info IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_full_imm_ass_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* The Full Immediate Assign Info field (octets 3-25)
* contains a complete immediate assign message (IMMEDIATE ASSIGNMENT or
* IMMEDIATE ASSIGNMENT EXTENDED or IMMEDIATE ASSIGNMENT REJECT)
* as defined in 3GPP TS 44.018.
*/
proto_tree_add_text(ie_tree, tvb,offset,length,"Full Immediate Assign Info field");
next_tvb = tvb_new_subset(tvb, offset, length, length);
call_dissector(gsm_a_ccch_handle, next_tvb, pinfo, top_tree);
offset = offset + length;
return offset;
}
/*
* 9.3.36 SMSCB Information
*
* This element is used to convey a complete frame to be broadcast on the CBCH
* including the Layer 2 header for the radio path.
*/
static int
dissect_rsl_ie_smscb_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_SMSCB_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Information IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/*
* SMSCB frame
*/
proto_tree_add_text(ie_tree, tvb,offset,length,"SMSCB frame");
offset = offset + length;
return offset;
}
/*
* 9.3.37 MS Timing Offset
*/
static int
dissect_rsl_ie_ms_timing_offset(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_FULL_MS_TIMING_OFFSET)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"MS Timing Offset IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ms_timing_offset);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Timing Offset
* The meaning of the MS Timing Offset is as defined in 3GPP TS 45.010.
* The value of MS Timing Offset is the binary value of the 8-bit Timing Offset field (octet 2) - 63.
* The range of MS Timing Offset is therefore -63 to 192.
*/
proto_tree_add_item(ie_tree, hf_rsl_timing_offset, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.38 Erroneous Message
* This information element is used to carry a complete A-bis interface message
* which was considered erroneous at reception.
*/
static int
dissect_rsl_ie_err_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_ERR_MSG)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Erroneous Message IE ");
ie_tree = proto_item_add_subtree(ti, ett_ie_err_msg);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* Received Message */
offset = dissct_rsl_msg(tvb, pinfo, ie_tree, offset);
return offset;
}
/*
* 9.3.39 Full BCCH Information (message name)
*/
static int
dissect_rsl_ie_full_bcch_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
tvbuff_t *next_tvb;
guint16 length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_FULL_BCCH_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Full BCCH Information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_full_bcch_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/*
* Octets 3-25 contain the complete L3 message as defined in 3GPP TS 44.018.
*/
proto_tree_add_text(ie_tree, tvb,offset,length,"Layer 3 message");
next_tvb = tvb_new_subset(tvb, offset, length, length);
/* call_dissector(gsm_a_dtap_handle, next_tvb, pinfo, top_tree);*/
offset = offset + length;
return offset;
}
/*
* 9.3.40 Channel Needed
*/
static const value_string rsl_ch_needed_vals[] = {
{ 0x00, "Any Channel" },
{ 0x01, "SDCCH" },
{ 0x02, "TCH/F (Full rate)" },
{ 0x03, "TCH/F or TCH/H (Dual rate)" },
{ 0, NULL }
};
static int
dissect_rsl_ie_ch_needed(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CH_NEEDED)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Channel Needed IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ch_needed);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Channel */
proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.41 CB Command type
*/
static int
dissect_rsl_ie_cb_cmd_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CB_CMD_TYPE)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"CB Command type IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_cb_cmd_type);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Channel */
proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.42 SMSCB Message
*/
static int
dissect_rsl_ie_smscb_mess(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
int ie_offset;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_SMSCB_MESS)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Message IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_mess);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/*
* SMSCB Message
*/
proto_tree_add_text(ie_tree, tvb,offset,length ,"SMSCB Message");
offset = ie_offset + length;
return offset;
}
/*
* 9.3.43 CBCH Load Information
*/
static const true_false_string rsl_cbch_load_type_vals = {
"Overflow",
"Underflow"
};
static int
dissect_rsl_ie_cbch_load_inf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti, *item;
proto_tree *ie_tree;
guint8 ie_id;
guint8 octet;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CBCH_LOAD_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"CBCH Load Information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_cbch_load_inf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
octet = tvb_get_guint8(tvb,offset);
/* CBCH Load Type */
proto_tree_add_item(ie_tree, hf_rsl_cbch_load_type, tvb, offset, 1, FALSE);
/* Message Slot Count */
item = proto_tree_add_item(ie_tree, hf_rsl_msg_slt_cnt, tvb, offset, 1, FALSE);
if ((octet & 0x80) == 0x80){
proto_item_append_text(item,"The amount of SMSCB messages (1 to 15) that are needed immediately by BTS");
}else{
proto_item_append_text(item,"The amount of delay in message slots (1 to 15) that is needed immediately by BTS");
}
offset++;
return offset;
}
/*
* 9.3.44 SMSCB Channel Indicator
*/
static const value_string rsl_ch_ind_vals[] = {
{ 0x00, "Basic CBCH" },
{ 0x01, "Extended CBCH (supporting the extended CBCH by the network or MSs is optional)" },
{ 0, NULL }
};
static int
dissect_rsl_ie_smscb_ch_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_SMSCB_CH_IND)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"SMSCB Channel Indicator IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_smscb_ch_ind);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Channel Ind */
proto_tree_add_item(ie_tree, hf_rsl_ch_ind, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.45 Group call reference
*/
static int
dissect_rsl_ie_grp_call_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_GRP_CALL_REF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Group call reference IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_grp_call_ref);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_text(ie_tree, tvb,offset,length,"Descriptive group or broadcast call reference");
/* The octets 3 to 7 are coded in the same way as the octets 2 to 6
* in the Descriptive group or broadcast call reference
* information element as defined in 3GPP TS 24.008.
*/
de_d_gb_call_ref(tvb, ie_tree, offset, length, NULL, 0);
offset = offset + length;
return offset;
}
/*
* 9.3.46 Channel description
*/
static int
dissect_rsl_ie_ch_desc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CH_DESC)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Channel description IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_ch_desc);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_text(ie_tree, tvb,offset,length,"Group Channel Description");
/* Octet j (j = 3, 4, ..., n) is the unchanged octet j-2 of a radio interface Group Channel description
* information element as defined in 3GPP TS 44.018, n-2 is equal to the length of the radio interface
* Group channel description information element
*/
offset = offset + length;
return offset;
}
/*
* 9.3.47 NCH DRX information
* This is a variable length element used to pass a radio interface information element
* from BSC to BTS.
*/
static int
dissect_rsl_ie_nch_drx(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_NCH_DRX_INF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"NCH DRX information IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_nch_drx);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* NCH DRX information */
/* Octet 3 bits 7 and 8 are spare and set to zero. */
/* Octet 3 bit 6 is the NLN status parameter as defined in 3GPP TS 44.018.*/
/* Octet 3 bits 3, 4 and 5 are bits 1, 2 and 3 of the radio interface
* eMLPP priority as defined in 3GPP TS 44.018.
*/
/* Octet 3 bits 1 and 2 are bits 1 and 2 of the radio interface NLN
* as defined in 3GPP TS 44.018.
*/
offset++;
return offset;
}
/*
* 9.3.48 Command indicator
*/
static int
dissect_rsl_ie_cmd_ind(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
guint8 octet;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CMD_IND)
return offset;
}
/* TODO Length wrong if extended */
ti = proto_tree_add_text(tree, tvb,offset,2,"Command indicator IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_cmd_ind);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Extension bit */
proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, FALSE);
/* TODO this should probably be add_uint instead!!! */
octet = tvb_get_guint8(tvb,offset);
if ((octet&0x80)==0x80){
/* extended */
/* Command Extension */
proto_tree_add_item(ie_tree, hf_rsl_command, tvb, offset, 2, FALSE);
offset = offset+2;
}else{
/* Command Value */
proto_tree_add_item(ie_tree, hf_rsl_command, tvb, offset, 1, FALSE);
offset++;
}
return offset;
}
/*
* 9.3.49 eMLPP Priority
*/
static const value_string rsl_emlpp_prio_vals[] = {
{ 0x00, "no priority applied" },
{ 0x01, "call priority level 4" },
{ 0x02, "call priority level 3" },
{ 0x03, "call priority level 2" },
{ 0x04, "call priority level 1" },
{ 0x05, "call priority level 0" },
{ 0x06, "call priority level B" },
{ 0x07, "call priority level A" },
{ 0, NULL }
};
static int
dissect_rsl_ie_emlpp_prio(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_EMLPP_PRIO)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"eMLPP Priority IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_emlpp_prio);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* The call priority field (bit 3 to 1 of octet 2) is coded in the same way
* as the call priority field (bit 3 to 1 of octet 5) in the
* Descriptive group or broadcast call reference information element
* as defined in 3GPP TS 24.008.
*/
proto_tree_add_item(ie_tree, hf_rsl_emlpp_prio, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.50 UIC
*/
static int
dissect_rsl_ie_uic(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_UIC)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"UIC IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_uic);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Octet 3 bits 1 to 6 contain the radio interface octet 2 bits 3 to 8 of the
* UIC information element as defined in 3GPP TS 44.018.
*/
proto_tree_add_text(ie_tree, tvb,offset,1,"UIC");
offset++;
return offset;
}
/*
* 9.3.51 Main channel reference
*/
static int
dissect_rsl_ie_main_ch_ref(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MAIN_CH_REF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Main channel reference IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_main_ch_ref);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* TN is time slot number, binary represented as in 3GPP TS 45.002.
* 3 Bits
*/
proto_tree_add_item(ie_tree, hf_rsl_ch_no_TN, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.52 MultiRate configuration
*/
static int
dissect_rsl_ie_multirate_conf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MULTIRATE_CONF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"MultiRate configuration IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_multirate_conf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* Rest of element coded as in 3GPP TS 44.018 not including
* 3GPP TS 44.018 element identifier or 3GPP TS 44.018 octet length value
*/
de_rr_multirate_conf(tvb, ie_tree, offset, length, NULL, 0);
offset = offset + length;
return offset;
}
/*
* 9.3.53 MultiRate Control
*/
static int
dissect_rsl_ie_multirate_cntrl(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_MULTIRATE_CNTRL)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,2,"MultiRate Control IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_multirate_cntrl);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Bit 8 -5 Spare */
/* The OD field (bit 5 of octet 3) indicates if the BSC expects distant parameters or
* TFO Decision algorithm result from the BTS
*/
/* The PRE field (bit 4 of octet 3) indicates if an handover is to be expected soon or not. */
/* The RAE field (bits 2-3, octet 3) defines whether the RATSCCH mechanism is enabled or not.*/
offset++;
return offset;
}
/*
* 9.3.54 Supported Codec Types
* This element indicates the codec types supported by the BSS or remote BSS.
*/
static int
dissect_rsl_ie_sup_codec_types(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_SUP_CODEC_TYPES)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Supported Codec Types IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_sup_codec_types);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_text(tree, tvb,offset,length,"Codec List");
/* The Codec List field (octet 4) lists the codec types that are supported
* by the BSS and Transcoder, and are therefore potential candidates for TFO
* establishment.
*/
/* The Codec List extension 1 field (octet 5) lists additional codec types
* that are supported by the BSS and Transcoder, and are therefore potential
* candidates for TFO establishment. When no codec from this list is supported,
* then this field shall not be sent, and the extension bit of octet 4 shall
* be set to 0.
*/
/* If bit 4 of the Codec List field (octet 4) indicates that FR AMR is supported
* or if bit 5 of the Codec List field (octet 4) indicates that HR AMR is supported
* and bit 8 is set to 0, or if bit 6 of the Codec List field (octet 4) indicates
* that UMTS AMR is supported, or if bit 7 of the Codec List field (octet 4)
* indicates that UMTS AMR 2 is supported, or if bit 1, 3, 4 or 5 of the Codec List
* extension 1 field (octet 5) indicates that AMR WB is supported, the following
* two octets (after the Codec List field and its extensions) is present
*/
return offset + length;
}
/*
* 9.3.55 Codec Configuration
*/
/* The Active Codec Type field (bits 1-8, octet 3) indicates the type of codec in use. It is coded as follows: */
/*
0 0 0 0 . 0 0 0 0: Full Rate Codec in use
0 0 0 0 . 0 0 0 1: Half Rate Codec in use
0 0 0 0 . 0 0 1 0: Enhanced Full Rate Codec in use
0 0 0 0 . 0 0 1 1: FR Adaptive Multi Rate Codec in use
0 0 0 0 . 0 1 0 0: HR Adaptive Multi Rate Codec in use
0 0 0 0 . 0 1 0 1: UMTS Adaptive Multi Rate Codec in use
0 0 0 0 . 0 1 1 0: UMTS Adaptive Multi Rate 2 Codec in use
0 0 0 0 . 1 0 0 1: Full Rate Adaptive Multi-Rate WideBand Codec in use
0 0 0 0 1 0 1 0 UMTS Adaptive Multi-Rate WideBand Codec in use
0 0 0 0 1 0 1 1 8PSK Half Rate Adaptive Multi-Rate Codec in use
0 0 0 0 1 1 0 0 8PSK Full Rate Adaptive Multi-Rate WideBand Codec in use
0 0 0 0 1 1 0 1 8PSK Half Rate Adaptive Multi-Rate WideBand Codec in use
All other values are reserved for future use
*/
static int
dissect_rsl_ie_codec_conf(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint length;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_CODEC_CONF)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Codec Configuration IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_codec_conf);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb,offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
/* Active Codec Type */
return offset + length;
}
/*
* 9.3.56 Round Trip Delay
* This element indicates the value of the calculated round trip delay between the BTS
* and the transcoder, or between the BTS and the remote BTS, if TFO is established.
*/
static const value_string rsl_delay_ind_vals[] = {
{ 0x00, "The RTD field contains the BTS-Transcoder round trip delay" },
{ 0x01, "The RTD field contains the BTS-Remote BTS round trip delay" },
{ 0, NULL }
};
static int
dissect_rsl_ie_rtd(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti, *rtd_item;
proto_tree *ie_tree;
guint8 ie_id;
guint8 rtd;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_RTD)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"Round Trip Delay IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_rtd);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* The RTD field is the binary representation of the value of the
* round trip delay in 20 ms increments.
*/
rtd = (tvb_get_guint8(tvb,offset)>>1)*20;
rtd_item = proto_tree_add_uint(tree, hf_rsl_rtd, tvb,offset,1,rtd);
proto_item_append_text(rtd_item," ms");
/* The Delay IND field indicates if the delay corresponds to a BTS
* to transcoder delay or to a BTS to remote BTS delay.
*/
proto_tree_add_item(ie_tree, hf_rsl_delay_ind, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.57 TFO Status
* This element indicates if TFO is established. It is coded in 2 octets
*/
static const true_false_string rsl_tfo_vals = {
"TFO is established",
"TFO is not established"
};
static int
dissect_rsl_ie_tfo_status(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_TFO_STATUS)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"TFO Status IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_tfo_status);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ie_tree, hf_rsl_tfo, tvb, offset, 1, FALSE);
offset++;
return offset;
}
/*
* 9.3.58 LLP APDU
*/
static int
dissect_rsl_ie_llp_apdu(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 length;
int ie_offset;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_LLP_APDU)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"LLP APDU IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_llp_apdu);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* The rest of the information element contains the embedded message
* that contains a Facility Information Element as defined in
* 3GPP TS 44.071 excluding the Facility IEI and length of Facility IEI
* octets defined in 3GPP TS 44.071.
*/
/* TODO: Given traces with LLP data this IE could be further dissected */
proto_tree_add_text(tree, tvb,offset,length,
"Facility Information Element as defined in 3GPP TS 44.071");
return ie_offset + length;
}
/*
* 9.3.59 TFO transparent container
* This is a variable length element that conveys a message associated with TFO protocol,
* as defined in 3GPP TS 28.062. This element can be sent from the BSC to the BTS or
* from the BTS to the BSC. The BTS shall retrieve the information it is able to understand,
* and forward transparently the complete information to the BSC or to the TRAU.
*/
static int
dissect_rsl_ie_tfo_transp_cont(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
{
proto_item *ti;
proto_tree *ie_tree;
guint8 length;
int ie_offset;
guint8 ie_id;
if(is_mandatory == FALSE){
ie_id = tvb_get_guint8(tvb,offset);
if (ie_id != RSL_IE_TFO_TRANSP_CONT)
return offset;
}
ti = proto_tree_add_text(tree, tvb,offset,0,"TFO transparent container IE");
ie_tree = proto_item_add_subtree(ti, ett_ie_tfo_transp_cont);
/* Element identifier */
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, FALSE);
offset++;
/* Length */
length = tvb_get_guint8(tvb, offset);
proto_item_set_len(ti, length+2);
proto_tree_add_item(ie_tree, hf_rsl_ie_length, tvb, offset, 1, FALSE);
offset++;
ie_offset = offset;
/* The rest of the information element contains the embedded message
* that contains a Facility Information Element as defined in
* 3GPP TS 44.071 excluding the Facility IEI and length of Facility IEI
* octets defined in 3GPP TS 44.071.
*/
proto_tree_add_text(tree, tvb,offset,length,
"Embedded message that contains the TFO configuration");
return ie_offset + length;
}
static int
dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint8 msg_type;
msg_type = tvb_get_guint8(tvb,offset)&0x7f;
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, FALSE);
offset++;
switch (msg_type){
/* Radio Link Layer Management messages */
/* 8.3.1 DATA REQUEST */
case RSL_MSG_TYPE_DATA_REQ:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* L3 Information 9.3.11 M TLV >=3 */
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.2 DATA INDICATION */
case RSL_MSG_TYPE_DATA_IND:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* L3 Information 9.3.11 M TLV >=3 */
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.3 ERROR INDICATION */
case RSL_MSG_TYPE_ERROR_IND:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* RLM Cause 9.3.22 M TLV 2-4 */
offset = dissect_rsl_ie_rlm_cause(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.4 ESTABLISH REQUEST */
case RSL_MSG_TYPE_EST_REQ:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.5 ESTABLISH CONFIRM */
case RSL_MSG_TYPE_EST_CONF:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.6 */
case RSL_MSG_EST_IND:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* L3 Information 9.3.11 O (note 1) TLV 3-23 */
if(tvb_length_remaining(tvb,offset) >1)
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.3.7 RELEASE REQUEST */
case RSL_MSG_REL_REQ:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* Release Mode 9.3.20 M TV 2 */
offset = dissect_rsl_ie_rel_mode(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.8 RELEASE CONFIRM */
case RSL_MSG_REL_CONF:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.9 RELEASE INDICATION */
case RSL_MSG_REL_IND:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.3.10 UNIT DATA REQUEST 10 */
case RSL_MSG_UNIT_DATA_REQ:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* L3 Information 9.3.11 O (note 1) TLV 3-23 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE);
break;
/* Common Channel Management/TRX Management messages */
/* 8.5.1 BCCH INFORMATION 17*/
case RSL_MSG_BCCH_INFO:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* System Info Type 9.3.30 M TV 2 */
offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE);
/* Full BCCH Info (SYS INFO) 9.3.39 O 1) TLV 25 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_full_bcch_inf(tvb, pinfo, tree, offset, TRUE);
/* Starting Time 9.3.23 O 2) TV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.5.2 CCCH LOAD INDICATION 18*/
case RSL_MSG_CCCH_LOAD_IND:
/* Channel number (note) 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Either RACH Load or Paging Load present */
/* RACH Load 9.3.18 C 1) TLV >=8 */
offset = dissect_rsl_ie_rach_load(tvb, pinfo, tree, offset, FALSE);
/* Paging Load 9.3.15 C 2) TV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_paging_load(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.5.3 */
case RSL_MSG_CHANRQD: /* 19 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Request Reference 9.3.19 M TV 4 */
offset = dissect_rsl_ie_req_ref(tvb, pinfo, tree, offset, TRUE);
/* Access Delay 9.3.17 M TV 2 */
offset = dissect_rsl_ie_access_delay(tvb, pinfo, tree, offset, TRUE);
/* Physical Context 9.3.16 O 1) TLV >=2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.5.4 DELETE INDICATION */
case RSL_MSG_DELETE_IND: /* 20 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Full Imm. Assign Info 9.3.35 M TLV 25 */
offset = dissect_rsl_ie_full_imm_ass_inf(tvb, pinfo, tree, offset, TRUE);
break;
case RSL_MSG_PAGING_CMD: /* 21 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Paging Group 9.3.14 M TV 2 2 */
offset = dissect_rsl_ie_paging_grp(tvb, pinfo, tree, offset, TRUE);
/* MS Identity 9.3.12 M TLV 2-10 2 */
offset = dissect_rsl_ie_ms_id(tvb, pinfo, tree, offset, TRUE);
/* Channel Needed 9.3.40 O 1) TV 2 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_needed(tvb, pinfo, tree, offset, FALSE);
/* eMLPP Priority 9.3.49 O 2) TV 2 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_emlpp_prio(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.5.6 IMMEDIATE ASSIGN COMMAND */
case RSL_MSG_IMM_ASS_CMD: /* 22 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Full Imm. Assign Info 9.3.35 M TLV 25 */
offset = dissect_rsl_ie_full_imm_ass_inf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.5.7 SMS BROADCAST REQUEST */
case RSL_MSG_SMS_BC_REQ: /* 23 8.5.7 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* SMSCB Information 9.3.36 M TV 24 */
offset = dissect_rsl_ie_smscb_inf(tvb, pinfo, tree, offset, TRUE);
/* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.6 TRX MANAGEMENT MESSAGES */
/* 8.6.1 RF RESOURCE INDICATION */
case RSL_MSG_RF_RES_IND: /* 24 8.6.1 */
/* Resource Information 9.3.21 M TLV >=2 */
offset = dissect_rsl_ie_resource_inf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.6.2 SACCH FILLING */
case RSL_MSG_SACCH_FILL: /* 25 8.6.2 */
/* System Info Type 9.3.30 M TV 2 */
offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE);
/* L3 Info (SYS INFO) 9.3.11 O 1) TLV 22 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE);
/* Starting Time 9.3.23 O 2) TV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE);
break;
case RSL_MSG_OVERLOAD: /* 27 8.6.3 */
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
break;
case RSL_MSG_ERROR_REPORT: /* 28 8.6.4 */
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
/* Message Identifier 9.3.28 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_message_id(tvb, pinfo, tree, offset, FALSE);
/* Channel Number 9.3.1 O 2) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Link identifier 9.3.2 O 3) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* Erroneous Message 9.3.38 O 4) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_err_msg(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.5.8 SMS BROADCAST COMMAND */
case RSL_MSG_SMS_BC_CMD: /* 29 8.5.8 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* CB Command type 9.3.41 M TV 2 */
offset = dissect_rsl_ie_cb_cmd_type(tvb, pinfo, tree, offset, TRUE);
/* SMSCB message 9.3.42 M TLV 2-90 */
offset = dissect_rsl_ie_smscb_mess(tvb, pinfo, tree, offset, TRUE);
/* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE);
break;
case RSL_MSG_CBCH_LOAD_IND: /* 30 8.5.9 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* CBCH Load Information 9.3.43 M TV 2 */
offset = dissect_rsl_ie_cbch_load_inf(tvb, pinfo, tree, offset, TRUE);
/* SMSCB Channel Indicator 9.3.44 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_smscb_ch_ind(tvb, pinfo, tree, offset, FALSE);
break;
case RSL_MSG_NOT_CMD: /* 31 8.5.10 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Command indicator 9.3.48 M 1) TLV 3-4 */
offset = dissect_rsl_ie_cmd_ind(tvb, pinfo, tree, offset, TRUE);
/* Group call reference 9.3.45 O TLV 7 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_grp_call_ref(tvb, pinfo, tree, offset, FALSE);
/* Channel Description 9.3.46 O TLV 3-n */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_desc(tvb, pinfo, tree, offset, FALSE);
/* NCH DRX information 9.3.47 O TLV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_nch_drx(tvb, pinfo, tree, offset, FALSE);
break;
/* Dedicated Channel Management messages: */
/* 8.4.1 CHANNEL ACTIVATION 33*/
case RSL_MSG_CHAN_ACTIV:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Activation Type 9.3.3 M TV 2 */
offset = dissect_rsl_ie_act_type(tvb, pinfo, tree, offset, TRUE);
/* Channel Mode 9.3.6 M TLV 8-9 */
offset = dissect_rsl_ie_ch_mode(tvb, pinfo, tree, offset, TRUE);
/* Channel Identification 9.3.5 O 7) TLV 8 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_id(tvb, pinfo, tree, offset, FALSE);
/* Encryption information 9.3.7 O 1) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, FALSE);
/* Handover Reference 9.3.9 C 2) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ho_ref(tvb, pinfo, tree, offset, FALSE);
/* BS Power 9.3.4 O 3) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, FALSE);
/* MS Power 9.3.13 O 3) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, FALSE);
/* Timing Advance 9.3.24 C 3) 4) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_timing_adv(tvb, pinfo, tree, offset, FALSE);
/* BS Power Parameters 9.3.32 O 5) TLV >=2 */
/* MS Power Parameters 9.3.31 O 5) TLV >=2 */
/* Physical Context 9.3.16 O 6) TLV >=2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE);
/* SACCH Information 9.3.29 O 8) TLV >=3 */
/* UIC 9.3.50 O 9) TLV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_uic(tvb, pinfo, tree, offset, FALSE);
/* Main channel reference 9.3.51 O 10) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_main_ch_ref(tvb, pinfo, tree, offset, FALSE);
/* MultiRate configuration 9.3.52 O 11) TLV >=4 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE);
/* MultiRate Control 9.3.53 O 12) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, FALSE);
/* Supported Codec Types 9.3.54 O 12) TLV >=5 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE);
/* TFO transparent container 9.3.59 O 12) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.2 CHANNEL ACTIVATION ACKNOWLEDGE 34*/
case RSL_MSG_CHAN_ACTIV_ACK:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Frame number 9.3.8 M TV 3 */
offset = dissect_rsl_ie_frame_no(tvb, pinfo, tree, offset, TRUE);
break;
case RSL_MSG_CHAN_ACTIV_N_ACK:
/* 8.4.3 CHANNEL ACTIVATION NEGATIVE ACKNOWLEDGE */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.4 CONNECTION FAILURE INDICATION */
case RSL_MSG_CONN_FAIL:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.5 DEACTIVATE SACCH */
case RSL_MSG_DEACTIVATE_SACCH:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.6 ENCRYPTION COMMAND */
case RSL_MSG_ENCR_CMD: /* 38 8.4.6 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Encryption information 9.3.7 M TLV >=3 */
offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, TRUE);
/* Link Identifier 9.3.2 M TV 2 */
offset = dissect_rsl_ie_link_id(tvb, pinfo, tree, offset, TRUE);
/* L3 Info (CIPH MOD CMD) 9.3.11 M TLV 6 */
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.7 HANDOVER DETECTION */
case RSL_MSG_HANDODET: /* 39 8.4.7 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Access Delay 9.3.17 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_access_delay(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.8 MEASUREMENT RESULT 40 */
case RSL_MSG_MEAS_RES:
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Measurement result number 9.3.27 M TV 2 */
offset = dissect_rsl_ie_meas_res_no(tvb, pinfo, tree, offset, TRUE);
/* Uplink Measurements 9.3.25 M TLV >=5 */
offset = dissect_rsl_ie_uplik_meas(tvb, pinfo, tree, offset, TRUE);
/* BS Power 9.3.4 M TV 2 */
offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE);
/* L1 Information 9.3.10 O 1) TV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_l1_inf(tvb, pinfo, tree, offset, FALSE);
/* L3 Info (MEAS REP, EXT MEAS REP or ENH MEAS REP) 9.3.11 O 1) TLV 21 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE);
/* MS Timing Offset 9.3.37 O 2) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ms_timing_offset(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.9 MODE MODIFY */
case RSL_MSG_MODE_MODIFY_REQ: /* 41 8.4.9 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Channel Mode 9.3.6 M TLV 8-9 */
offset = dissect_rsl_ie_ch_mode(tvb, pinfo, tree, offset, TRUE);
/* Encryption information 9.3.7 O 1) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_enc_inf(tvb, pinfo, tree, offset, FALSE);
/* Main channel reference 9.3.45 O 2) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_main_ch_ref(tvb, pinfo, tree, offset, FALSE);
/* MultiRate configuration 9.3.52 O 3) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE);
/* Multirate Control 9.3.53 O 4) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, FALSE);
/* Supported Codec Types 9.3.54 O 4) TLV >=5 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE);
/* TFO transparent container 9.3.59 O 4) TLV */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.10 MODE MODIFY ACKNOWLEDGE */
case RSL_MSG_MODE_MODIFY_ACK: /* 42 8.4.10 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.11 MODE MODIFY NEGATIVE ACKNOWLEDGE */
case RSL_MSG_MODE_MODIFY_NACK: /* 43 8.4.11 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.12 PHYSICAL CONTEXT REQUEST */
case RSL_MSG_PHY_CONTEXT_REQ: /* 44 8.4.12 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.13 PHYSICAL CONTEXT CONFIRM */
case RSL_MSG_PHY_CONTEXT_CONF: /* 45 8.4.13 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* BS Power 9.3.4 M TV 2 */
offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE);
/* MS Power 9.3.13 M TV 2 */
offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, TRUE);
/* Timing Advance 9.3.24 M TV 2 */
offset = dissect_rsl_ie_timing_adv(tvb, pinfo, tree, offset, TRUE);
/* Physical Context 9.3.16 O 1) TLV */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_phy_ctx(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.14 RF CHANNEL RELEASE */
case RSL_MSG_RF_CHAN_REL: /* 46 8.4.14 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.15 MS POWER CONTROL */
case RSL_MSG_MS_POWER_CONTROL: /* 47 8.4.15 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MS Power 9.3.13 M TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ms_pow(tvb, pinfo, tree, offset, FALSE);
/* MS Power Parameters 9.3.31 O 1) TLV >=2 */
break;
/* 8.4.16 BS POWER CONTROL */
case RSL_MSG_BS_POWER_CONTROL: /* 48 8.4.16 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* BS Power 9.3.4 M TV 2 */
offset = dissect_rsl_ie_bs_power(tvb, pinfo, tree, offset, TRUE);
/* BS Power Parameters 9.3.32 O 1) TLV >=2 */
break;
/* 8.4.17 PREPROCESS CONFIGURE */
case RSL_MSG_PREPROC_CONFIG: /* 49 8.4.17 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Preproc. Parameters 9.3.33 M TLV >=3 */
break;
/* 8.4.18 PREPROCESSED MEASUREMENT RESULT */
case RSL_MSG_PREPROC_MEAS_RES: /* 50 8.4.18 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Preproc. Measurements 9.3.34 M TLV >=2 */
break;
/* 8.4.19 RF CHANNEL RELEASE ACKNOWLEDGE */
case RSL_MSG_RF_CHAN_REL_ACK: /* 51 8.4.19 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.20 SACCH INFO MODIFY */
case RSL_MSG_SACCH_INFO_MODIFY: /* 52 8.4.20 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* System Info Type 9.3.30 M TV 2 */
offset = dissect_rsl_ie_sys_info_type(tvb, pinfo, tree, offset, TRUE);
/* L3 Info 9.3.11 O 1) TLV 22 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE);
/* Starting Time 9.3.23 O 2) TV 3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_staring_time(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.21 TALKER DETECTION */
case RSL_MSG_TALKER_DET: /* 53 8.4.21 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Access Delay 9.3.17 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.22 LISTENER DETECTION */
case RSL_MSG_LISTENER_DET: /* 54 8.4.22 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Access Delay 9.3.17 O 1) TV 2 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.23 REMOTE CODEC CONFIGURATION REPORT */
case RSL_MSG_REMOTE_CODEC_CONF_REP:/* 55 8.4.23 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Codec Configuration 9.3.55 M TLV >=3 */
offset = dissect_rsl_ie_codec_conf(tvb, pinfo, tree, offset, TRUE);
/* Supported Codec Types 9.3.54 M TLV >=5 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE);
/* TFO transparent container 9.3.59 O 4) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.24 ROUND TRIP DELAY REPORT */
case RSL_MSG_R_T_D_REP: /* 56 8.4.24 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Round Trip Delay 9.3.56 M TV 2 */
offset = dissect_rsl_ie_rtd(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.25 PRE-HANDOVER NOTIFICATION */
case RSL_MSG_PRE_HANDO_NOTIF: /* 57 8.4.25 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MultiRateControl 9.3.53 M TV 2 */
offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, TRUE);
/* Codec Configuration 9.3.55 M TLV >=3 */
offset = dissect_rsl_ie_codec_conf(tvb, pinfo, tree, offset, TRUE);
/* TFO transparent container 9.3.59 O 4) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.26 MULTIRATE CODEC MODIFICATION REQUEST */
case RSL_MSG_MR_CODEC_MOD_REQ: /* 58 8.4.26 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MultiRate Configuration 9.3.52 O 1) TLV >=4 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.27 MULTIRATE CODEC MODIFICATION ACKNOWLEDGE */
case RSL_MSG_MR_CODEC_MOD_ACK: /* 59 8.4.27 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MultiRate Configuration 9.3.52 O 1) TLV >=4 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, FALSE);
break;
/* 8.4.28 MULTIRATE CODEC MODIFICATION NEGATIVE ACKNOWLEDGE */
case RSL_MSG_MR_CODEC_MOD_NACK: /* 60 8.4.28 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* Cause 9.3.26 M TLV >=3 */
offset = dissect_rsl_ie_cause(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.29 MULTIRATE CODEC MODIFICATION PERFORMED */
case RSL_MSG_MR_CODEC_MOD_PER: /* 61 8.4.29 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MultiRate Configuration 9.3.52 M TLV >=4 */
offset = dissect_rsl_ie_multirate_conf(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.30 TFO REPORT */
case RSL_MSG_TFO_REP: /* 62 8.4.30 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* TFO Status 9.3.57 M TV 1 */
offset = dissect_rsl_ie_tfo_status(tvb, pinfo, tree, offset, TRUE);
break;
/* 8.4.31 TFO MODIFICATION REQUEST */
case RSL_MSG_TFO_MOD_REQ: /* 63 8.4.31 */
/* Channel number 9.3.1 M TV 2 */
offset = dissect_rsl_ie_ch_no(tvb, pinfo, tree, offset, TRUE);
/* MultiRateControl 9.3.53 M TV 2 */
offset = dissect_rsl_ie_multirate_cntrl(tvb, pinfo, tree, offset, TRUE);
/* Supported Codec Type 9.3.54 O 1) TLV >=5 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_sup_codec_types(tvb, pinfo, tree, offset, FALSE);
/* TFO transparent container 9.3.59 O 4) TLV >=3 */
if(tvb_length_remaining(tvb,offset) > 0)
offset = dissect_rsl_ie_tfo_transp_cont(tvb, pinfo, tree, offset, FALSE);
break;
/* 0 1 - - - - - - Location Services messages: */
/* 8.7.1 LOCATION INFORMATION */
case RSL_MSG_LOC_INF: /* 65 8.7.1 */
/* LLP APDU 9.3.58 M LV 2-N */
offset = dissect_rsl_ie_llp_apdu(tvb, pinfo, tree, offset, TRUE);
break;
default:
break;
}
return offset;
}
static void
dissect_rsl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
proto_item *ti;
proto_tree *rsl_tree;
guint8 msg_type;
int offset = 0;
if (check_col(pinfo->cinfo, COL_PROTOCOL))
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSL");
if (check_col(pinfo->cinfo, COL_INFO))
col_clear(pinfo->cinfo, COL_INFO);
msg_type = tvb_get_guint8(tvb,offset+1)&0x7f;
if (check_col(pinfo->cinfo, COL_INFO)){
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",val_to_str(msg_type, rsl_msg_type_vals,"unknown %u"));
}
top_tree = tree;
if (tree) {
ti = proto_tree_add_item(tree, proto_rsl, tvb, 0, -1, FALSE);
rsl_tree = proto_item_add_subtree(ti, ett_rsl);
/* 9.1 Message discriminator */
proto_tree_add_item(rsl_tree, hf_rsl_msg_dsc, tvb, offset, 1, FALSE);
proto_tree_add_item(rsl_tree, hf_rsl_T_bit, tvb, offset, 1, FALSE);
offset++;
offset = dissct_rsl_msg(tvb, pinfo, rsl_tree, offset);
}
}
void
proto_reg_handoff_rsl(void)
{
dissector_handle_t rsl_handle;
rsl_handle = create_dissector_handle(dissect_rsl, proto_rsl);
dissector_add("lapd.gsm.sapi", LAPD_GSM_SAPI_RA_SIG_PROC, rsl_handle);
gsm_a_ccch_handle = find_dissector("gsm_a_ccch");
gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
}
/* Register the protocol with Wireshark */
void proto_register_rsl(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
{ &hf_rsl_msg_dsc,
{ "Message discriminator", "rsl.msg_dsc",
FT_UINT8, BASE_DEC, VALS(rsl_msg_disc_vals), 0xfe,
"Message discriminator", HFILL }
},
{ &hf_rsl_T_bit,
{ "T bit", "rsl.T_bit",
FT_BOOLEAN, 8, TFS(&rsl_t_bit_vals), 0x01,
"T bit", HFILL }
},
{ &hf_rsl_msg_type,
{ "Message type", "rsl.msg_type",
FT_UINT8, BASE_HEX_DEC, VALS(rsl_msg_type_vals), 0x7f,
"Message type", HFILL }
},
{ &hf_rsl_ie_id,
{ "Element identifier", "rsl.ie_id",
FT_UINT8, BASE_HEX_DEC, VALS(rsl_ie_type_vals), 0x0,
"Element identifier", HFILL }
},
{ &hf_rsl_ie_length,
{ "Length", "rsl.ie_length",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Length", HFILL }
},
{ &hf_rsl_ch_no_Cbits,
{ "C-bits", "rsl.ch_no_Cbits",
FT_UINT8, BASE_DEC, VALS(rsl_ch_no_Cbits_vals), 0xf8,
"C-bits", HFILL }
},
{ &hf_rsl_ch_no_TN,
{ "Time slot number (TN)", "rsl.ch_no_TN",
FT_UINT8, BASE_DEC, NULL, 0x07,
"Time slot number (TN)", HFILL }
},
{ &hf_rsl_rtd,
{ "Round Trip Delay (RTD)", "rsl.rtd",
FT_UINT8, BASE_DEC, NULL, 0xfe,
"Round Trip Delay (RTD)", HFILL }
},
{ &hf_rsl_delay_ind,
{ "Delay IND", "rsl.delay_ind",
FT_UINT8, BASE_DEC, rsl_delay_ind_vals, 0x01,
"Delay IND", HFILL }
},
{ &hf_rsl_tfo,
{ "TFO", "rsl.tfo",
FT_BOOLEAN, 8, TFS(&rsl_tfo_vals), 0x01,
"TFO", HFILL }
},
{ &hf_rsl_req_ref_ra,
{ "Random Access Information (RA)", "rsl.req_ref_ra",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Random Access Information (RA)", HFILL }
},
{ &hf_rsl_req_ref_T1prim,
{ "T1'", "rsl.req_ref_T1prim",
FT_UINT8, BASE_DEC, NULL, 0xf8,
"T1'", HFILL }
},
{ &hf_rsl_req_ref_T3,
{ "T3", "rsl.req_ref_T3",
FT_UINT16, BASE_DEC, NULL, 0x07e0,
"T3", HFILL }
},
{ &hf_rsl_req_ref_T2,
{ "T2", "rsl.req_ref_T2",
FT_UINT8, BASE_DEC, NULL, 0x1f,
"T2", HFILL }
},
{ &hf_rsl_timing_adv,
{ "Timing Advance", "rsl.timing_adv",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Timing Advance", HFILL }
},
{ &hf_rsl_ho_ref,
{ "Hand-over reference", "rsl.ho_ref",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Hand-over reference", HFILL }
},
{ &hf_rsl_ms_power_lev,
{ "MS power level", "rsl.ms_power_lev",
FT_UINT8, BASE_DEC, NULL, 0xf8,
"MS power level", HFILL }
},
{ &hf_rsl_ms_fpc,
{ "FPC/EPC", "rsl.ms_fpc",
FT_BOOLEAN, 8, TFS(&rsl_ms_fpc_epc_mode_vals), 0x04,
"FPC/EPC", HFILL }
},
{ &hf_rsl_act_timing_adv,
{ "Actual Timing Advance", "rsl.act_timing_adv",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Actual Timing Advance", HFILL }
},
{ &hf_rsl_power_lev,
{ "Power level", "rsl.power_lev",
FT_UINT8, BASE_DEC, NULL, 0x1f,
"Power level", HFILL }
},
{ &hf_rsl_dtxd,
{ "DTXd", "rsl.dtxd",
FT_BOOLEAN, 8, TFS(&rsl_dtxd_vals), 0x40,
"DTXd", HFILL }
},
{ &hf_rsl_rxlev_full_up,
{ "RXLEV.FULL.up", "rsl.rxlev_full_up",
FT_UINT8, BASE_DEC, NULL, 0x3f,
"RXLEV.FULL.up", HFILL }
},
{ &hf_rsl_rxlev_sub_up,
{ "RXLEV.SUB.up", "rsl.rxlev_sub_up",
FT_UINT8, BASE_DEC, NULL, 0x3f,
"RXLEV.SUB.up", HFILL }
},
{ &hf_rsl_rxqual_full_up,
{ "RXQUAL.FULL.up", "rsl.rxqual_full_up",
FT_UINT8, BASE_DEC, NULL, 0x38,
"RXQUAL.FULL.up", HFILL }
},
{ &hf_rsl_rxqual_sub_up,
{ "RXQUAL.SUB.up", "rsl.rxqual_sub_up",
FT_UINT8, BASE_DEC, NULL, 0x07,
"RXQUAL.SUB.up", HFILL }
},
{ &hf_rsl_acc_delay,
{ "Access Delay", "rsl.acc_del",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Access Delay", HFILL }
},
{ &hf_rsl_rach_slot_cnt,
{ "RACH Slot Count", "rsl.rach_slot_cnt",
FT_UINT16, BASE_DEC, NULL, 0x0,
"RACH Slot Count", HFILL }
},
{ &hf_rsl_rach_busy_cnt,
{ "RACH Busy Count", "rsl.rach_busy_cnt",
FT_UINT16, BASE_DEC, NULL, 0x0,
"RACH Busy Count", HFILL }
},
{ &hf_rsl_rach_acc_cnt,
{ "RACH Access Count", "rsl.rach_acc_cnt",
FT_UINT16, BASE_DEC, NULL, 0x0,
"RACH Access Count", HFILL }
},
{ &hf_rsl_phy_ctx,
{ "Physical Context", "rsl.phy_ctx",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Physical Context", HFILL }
},
{ &hf_rsl_na,
{ "Not applicable (NA)", "rsl.na",
FT_BOOLEAN, 8, TFS(&rsl_na_vals), 0x20,
"Not applicable (NA)", HFILL }
},
{ &hf_rsl_ch_type,
{ "channel type", "rsl.ch_type",
FT_UINT8, BASE_DEC, VALS(rsl_ch_type_vals), 0xc0,
"channel type", HFILL }
},
{ &hf_rsl_prio,
{ "Priority", "rsl.prio",
FT_UINT8, BASE_DEC, VALS(rsl_prio_vals), 0x18,
"Priority", HFILL }
},
{ &hf_rsl_sapi,
{ "SAPI", "rsl.sapi",
FT_UINT8, BASE_DEC, NULL, 0x07,
"SAPI", HFILL }
},
{ &hf_rsl_rbit,
{ "R", "rsl.rbit",
FT_BOOLEAN, 8, TFS(&rsl_rbit_vals), 0x80,
"R", HFILL }
},
{ &hf_rsl_a3a2,
{ "A3A2", "rsl.a3a2",
FT_UINT8, BASE_DEC, VALS(rsl_a3a2_vals), 0x06,
"A3A2", HFILL }
},
{ &hf_rsl_a1_0,
{ "A1", "rsl.a1_0",
FT_BOOLEAN, 8, TFS(&rsl_a1_0_vals), 0x01,
"A1", HFILL }
},
{ &hf_rsl_a1_1,
{ "A1", "rsl.a1_1",
FT_BOOLEAN, 8, TFS(&rsl_a1_1_vals), 0x01,
"A1", HFILL }
},
{ &hf_rsl_a1_2,
{ "A1", "rsl.a2_0",
FT_BOOLEAN, 8, TFS(&rsl_a1_2_vals), 0x01,
"A1", HFILL }
},
{ &hf_rsl_epc_mode,
{ "EPC mode", "rsl.epc_mode",
FT_BOOLEAN, 8, TFS(&rsl_epc_mode_vals), 0x20,
"EPC mode", HFILL }
},
{ &hf_rsl_bs_fpc_epc_mode,
{ "FPC-EPC mode", "rsl.fpc_epc_mode",
FT_BOOLEAN, 8, TFS(&rsl_fpc_epc_mode_vals), 0x10,
"FPC-EPC mode", HFILL }
},
{ &hf_rsl_bs_power,
{ "Power Level", "rsl.bs_power",
FT_UINT8, BASE_DEC, VALS(rsl_rlm_bs_power_vals), 0x0f,
"Power Level", HFILL }
},
{ &hf_rsl_cm_dtxd,
{ "DTXd", "rsl.cm_dtxd",
FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x02,
"DTXd", HFILL }
},
{ &hf_rsl_cm_dtxu,
{ "DTXu", "rsl.cm_dtxu",
FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x01,
"DTXu", HFILL }
},
{ &hf_rsl_speech_or_data,
{ "Speech or data indicator", "rsl.speech_or_data",
FT_UINT8, BASE_DEC, VALS(rsl_speech_or_data_vals), 0x0,
"Speech or data indicator", HFILL }
},
{ &hf_rsl_ch_rate_and_type,
{ "Channel rate and type", "rsl.speech_or_data",
FT_UINT8, BASE_DEC, VALS(rsl_ch_rate_and_type_vals), 0x0,
"Channel rate and type", HFILL }
},
{ &hf_rsl_speech_coding_alg,
{ "Speech coding algorithm", "rsl.speech_coding_alg",
FT_UINT8, BASE_DEC, VALS(rsl_speech_coding_alg_vals), 0x0,
"Speech coding algorithm", HFILL }
},
{ &hf_rsl_t_nt_bit,
{ "Transparent indication", "rsl.t_nt_bit",
FT_BOOLEAN, 8, TFS(&t_nt_bit_vals), 0x40,
"Transparent indication", HFILL }
},
{ &hf_rsl_ra_if_data_rte,
{ "Radio interface data rate", "rsl.ra_if_data_rte",
FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f,
"Radio interface data rate", HFILL }
},
{ &hf_rsl_data_rte,
{ "Data rate", "rsl.data_rte",
FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f,
"Data rate", HFILL }
},
{ &hf_rsl_alg_id,
{ "Algorithm Identifier", "rsl.alg_id",
FT_UINT8, BASE_DEC, VALS(rsl_algorithm_id_vals), 0x0,
"Algorithm Identifier", HFILL }
},
{ &hf_rsl_key,
{ "KEY", "rsl.key",
FT_BYTES, BASE_NONE, NULL, 0x0,
"KEY", HFILL }
},
{ &hf_rsl_cause,
{ "Cause", "rsl.cause",
FT_UINT8, BASE_DEC, VALS(rsl_rlm_cause_vals), 0x7f,
"Cause", HFILL }
},
{ &hf_rsl_rel_mode,
{ "Release Mode", "rsl.rel_mode",
FT_UINT8, BASE_DEC, VALS(rel_mode_vals), 0x01,
"Relese Mode", HFILL }
},
{ &hf_rsl_interf_band,
{ "Interf Band", "rsl.interf_band",
FT_UINT8, BASE_DEC, NULL, 0xe0,
"Relese Mode", HFILL }
},
{ &hf_rsl_meas_res_no,
{ "Measurement result number", "rsl.meas_res_no",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Measurement result number", HFILL }
},
{ &hf_rsl_extension_bit,
{ "Extension", "rsl.extension_bit",
FT_BOOLEAN, 8, TFS(&rsl_extension_bit_value), 0x80,
"Extension", HFILL }},
{ &hf_rsl_class,
{ "Class", "rsl.class",
FT_UINT8, BASE_DEC, VALS(rsl_class_vals), 0x70,
"Class", HFILL }
},
{ &hf_rsl_paging_grp,
{ "Paging Group", "rsl.paging_grp",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Paging Group", HFILL }
},
{ &hf_rsl_paging_load,
{ "Paging Buffer Space", "rsl.paging_load",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Paging Buffer Space", HFILL }
},
{ &hf_rsl_sys_info_type,
{ "System Info Type", "rsl.sys_info_type",
FT_UINT8, BASE_DEC, VALS(rsl_sys_info_type_vals), 0x0,
"System Info Type", HFILL }
},
{ &hf_rsl_timing_offset,
{ "Timing Offset", "rsl.timing_offset",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Timing Offset", HFILL }
},
{ &hf_rsl_ch_needed,
{ "Channel Needed", "rsl.ch_needed",
FT_UINT8, BASE_DEC, VALS(rsl_ch_needed_vals), 0x03,
"Channel Needed", HFILL }
},
{ &hf_rsl_cbch_load_type,
{ "CBCH Load Type", "rsl.cbch_load_type",
FT_BOOLEAN, 8, TFS(&rsl_cbch_load_type_vals), 0x80,
"CBCH Load Type", HFILL }
},
{ &hf_rsl_msg_slt_cnt,
{ "Message Slot Count", "rsl.sg_slt_cnt",
FT_UINT8, BASE_DEC, NULL, 0x0f,
"Message Slot Count", HFILL }
},
{ &hf_rsl_ch_ind,
{ "Channel Ind", "rsl.ch_ind",
FT_UINT8, BASE_DEC, VALS(rsl_ch_ind_vals), 0x0f,
"Channel Ind", HFILL }
},
{ &hf_rsl_command,
{ "Command", "rsl.cmd",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Command", HFILL }
},
{ &hf_rsl_emlpp_prio,
{ "eMLPP Priority", "rsl.emlpp_prio",
FT_UINT8, BASE_DEC, VALS(rsl_emlpp_prio_vals), 0x03,
"eMLPP Priority", HFILL }
},
};
static gint *ett[] = {
&ett_rsl,
&ett_ie_link_id,
&ett_ie_act_type,
&ett_ie_bs_power,
&ett_ie_ch_id,
&ett_ie_ch_mode,
&ett_ie_enc_inf,
&ett_ie_ch_no,
&ett_ie_frame_no,
&ett_ie_ho_ref,
&ett_ie_l1_inf,
&ett_ie_L3_inf,
&ett_ie_ms_id,
&ett_ie_ms_pow,
&ett_ie_phy_ctx,
&ett_ie_paging_grp,
&ett_ie_paging_load,
&ett_ie_access_delay,
&ett_ie_rach_load,
&ett_ie_req_ref,
&ett_ie_rel_mode,
&ett_ie_resource_inf,
&ett_ie_rlm_cause,
&ett_ie_staring_time,
&ett_ie_timing_adv,
&ett_ie_uplink_meas,
&ett_ie_full_imm_ass_inf,
&ett_ie_smscb_inf,
&ett_ie_ms_timing_offset,
&ett_ie_err_msg,
&ett_ie_full_bcch_inf,
&ett_ie_ch_needed,
&ett_ie_cb_cmd_type,
&ett_ie_smscb_mess,
&ett_ie_cbch_load_inf,
&ett_ie_smscb_ch_ind,
&ett_ie_grp_call_ref,
&ett_ie_ch_desc,
&ett_ie_nch_drx,
&ett_ie_cmd_ind,
&ett_ie_emlpp_prio,
&ett_ie_uic,
&ett_ie_uic,
&ett_ie_main_ch_ref,
&ett_ie_multirate_conf,
&ett_ie_multirate_cntrl,
&ett_ie_sup_codec_types,
&ett_ie_codec_conf,
&ett_ie_rtd,
&ett_ie_tfo_status,
&ett_ie_llp_apdu,
&ett_ie_tfo_transp_cont,
&ett_ie_cause,
&ett_ie_meas_res_no,
&ett_ie_message_id,
&ett_ie_sys_info_type,
};
/* Register the protocol name and description */
proto_rsl = proto_register_protocol("Radio Signalling Link (RSL)",
"RSL", "rsl");
proto_register_field_array(proto_rsl, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
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