![Michael Mann](/assets/img/avatar_default.png)
Change-Id: Ia2567695ffed30c990eda3740b08bfab101cea96 Reviewed-on: https://code.wireshark.org/review/2883 Reviewed-by: Michael Mann <mmann78@netscape.net>
4452 lines
167 KiB
C
4452 lines
167 KiB
C
/* packet-rsl.c
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* Routines for Radio Signalling Link (RSL) dissection.
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*
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* Copyright 2007, 2011, Anders Broman <anders.broman@ericsson.com>
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* Copyright 2009-2011, Harald Welte <laforge@gnumonks.org>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copied from packet-cops.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* REF: 3GPP TS 48.058 version 6.1.0 Release 6
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* http://www.3gpp.org/ftp/Specs/html-info/48058.htm
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*
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include "packet-gsm_a_common.h"
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#include "lapd_sapi.h"
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#include <epan/prefs.h>
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#include "packet-rtp.h"
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#include "packet-rtcp.h"
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void proto_register_rsl(void);
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void proto_reg_handoff_rsl(void);
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/* Initialize the protocol and registered fields */
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static int proto_rsl = -1;
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static int hf_rsl_msg_type = -1;
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static int hf_rsl_T_bit = -1;
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static int hf_rsl_msg_dsc = -1;
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static int hf_rsl_ie_id = -1;
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static int hf_rsl_ie_length = -1;
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static int hf_rsl_ch_no_Cbits = -1;
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static int hf_rsl_ch_no_TN = -1;
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static int hf_rsl_acc_delay = -1;
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static int hf_rsl_rach_slot_cnt = -1;
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static int hf_rsl_rach_busy_cnt = -1;
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static int hf_rsl_rach_acc_cnt = -1;
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static int hf_rsl_req_ref_ra = -1;
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static int hf_rsl_req_ref_T1prim = -1;
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static int hf_rsl_req_ref_T3 = -1;
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static int hf_rsl_req_ref_T2 = -1;
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static int hf_rsl_timing_adv = -1;
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static int hf_rsl_ho_ref = -1;
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static int hf_rsl_l1inf_power_lev = -1;
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static int hf_rsl_l1inf_fpc = -1;
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static int hf_rsl_ms_power_lev = -1;
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static int hf_rsl_ms_fpc = -1;
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static int hf_rsl_act_timing_adv = -1;
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static int hf_rsl_phy_ctx = -1;
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static int hf_rsl_na = -1;
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static int hf_rsl_ch_type = -1;
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static int hf_rsl_prio = -1;
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static int hf_rsl_sapi = -1;
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static int hf_rsl_rbit = -1;
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static int hf_rsl_a3a2 = -1;
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static int hf_rsl_a1_0 = -1;
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static int hf_rsl_a1_1 = -1;
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static int hf_rsl_a1_2 = -1;
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static int hf_rsl_epc_mode = -1;
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static int hf_rsl_bs_fpc_epc_mode = -1;
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static int hf_rsl_bs_power = -1;
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static int hf_rsl_cm_dtxd = -1;
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static int hf_rsl_cm_dtxu = -1;
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static int hf_rsl_speech_or_data = -1;
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static int hf_rsl_ch_rate_and_type = -1;
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static int hf_rsl_speech_coding_alg = -1;
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static int hf_rsl_t_nt_bit = -1;
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static int hf_rsl_ra_if_data_rte = -1;
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static int hf_rsl_data_rte = -1;
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static int hf_rsl_alg_id = -1;
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static int hf_rsl_key = -1;
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static int hf_rsl_cause = -1;
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static int hf_rsl_rel_mode = -1;
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static int hf_rsl_interf_band = -1;
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static int hf_rsl_interf_band_reserved = -1;
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static int hf_rsl_meas_res_no = -1;
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static int hf_rsl_extension_bit = -1;
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static int hf_rsl_dtxd = -1;
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static int hf_rsl_rxlev_full_up = -1;
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static int hf_rsl_rxlev_sub_up = -1;
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static int hf_rsl_rxqual_full_up = -1;
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static int hf_rsl_rxqual_sub_up = -1;
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static int hf_rsl_class = -1;
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static int hf_rsl_paging_grp = -1;
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static int hf_rsl_paging_load = -1;
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static int hf_rsl_sys_info_type = -1;
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static int hf_rsl_timing_offset = -1;
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static int hf_rsl_ch_needed = -1;
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static int hf_rsl_cbch_load_type = -1;
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static int hf_rsl_msg_slt_cnt = -1;
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static int hf_rsl_ch_ind = -1;
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static int hf_rsl_command = -1;
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static int hf_rsl_emlpp_prio = -1;
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static int hf_rsl_rtd = -1;
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static int hf_rsl_delay_ind = -1;
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static int hf_rsl_tfo = -1;
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static int hf_rsl_speech_mode_s = -1;
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static int hf_rsl_speech_mode_m = -1;
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static int hf_rsl_conn_id = -1;
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static int hf_rsl_rtp_payload = -1;
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static int hf_rsl_rtp_csd_fmt_d = -1;
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static int hf_rsl_rtp_csd_fmt_ir = -1;
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static int hf_rsl_local_port = -1;
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static int hf_rsl_remote_port = -1;
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static int hf_rsl_local_ip = -1;
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static int hf_rsl_remote_ip = -1;
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static int hf_rsl_cstat_tx_pkts = -1;
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static int hf_rsl_cstat_tx_octs = -1;
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static int hf_rsl_cstat_rx_pkts = -1;
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static int hf_rsl_cstat_rx_octs = -1;
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static int hf_rsl_cstat_lost_pkts = -1;
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static int hf_rsl_cstat_ia_jitter = -1;
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static int hf_rsl_cstat_avg_tx_dly = -1;
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/* Initialize the subtree pointers */
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static int ett_rsl = -1;
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static int ett_ie_link_id = -1;
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static int ett_ie_act_type = -1;
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static int ett_ie_bs_power = -1;
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static int ett_ie_ch_id = -1;
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static int ett_ie_ch_mode = -1;
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static int ett_ie_enc_inf = -1;
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static int ett_ie_ch_no = -1;
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static int ett_ie_frame_no = -1;
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static int ett_ie_ho_ref = -1;
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static int ett_ie_l1_inf = -1;
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static int ett_ie_L3_inf = -1;
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static int ett_ie_ms_id = -1;
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static int ett_ie_ms_pow = -1;
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static int ett_ie_phy_ctx = -1;
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static int ett_ie_paging_grp = -1;
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static int ett_ie_paging_load = -1;
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static int ett_ie_access_delay = -1;
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static int ett_ie_rach_load = -1;
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static int ett_ie_req_ref = -1;
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static int ett_ie_rel_mode = -1;
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static int ett_ie_resource_inf = -1;
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static int ett_ie_rlm_cause = -1;
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static int ett_ie_staring_time = -1;
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static int ett_ie_timing_adv = -1;
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static int ett_ie_uplink_meas = -1;
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static int ett_ie_full_imm_ass_inf = -1;
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static int ett_ie_smscb_inf = -1;
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static int ett_ie_ms_timing_offset = -1;
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static int ett_ie_err_msg = -1;
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static int ett_ie_full_bcch_inf = -1;
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static int ett_ie_ch_needed = -1;
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static int ett_ie_cb_cmd_type = -1;
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static int ett_ie_smscb_mess = -1;
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static int ett_ie_cbch_load_inf = -1;
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static int ett_ie_smscb_ch_ind = -1;
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static int ett_ie_grp_call_ref = -1;
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static int ett_ie_ch_desc = -1;
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static int ett_ie_nch_drx = -1;
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static int ett_ie_cmd_ind = -1;
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static int ett_ie_emlpp_prio = -1;
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static int ett_ie_uic = -1;
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static int ett_ie_main_ch_ref = -1;
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static int ett_ie_multirate_conf = -1;
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static int ett_ie_multirate_cntrl = -1;
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static int ett_ie_sup_codec_types = -1;
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static int ett_ie_codec_conf = -1;
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static int ett_ie_rtd = -1;
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static int ett_ie_tfo_status = -1;
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static int ett_ie_llp_apdu = -1;
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static int ett_ie_tfo_transp_cont = -1;
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static int ett_ie_cause = -1;
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static int ett_ie_meas_res_no = -1;
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static int ett_ie_message_id = -1;
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static int ett_ie_sys_info_type = -1;
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static int ett_ie_speech_mode = -1;
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static int ett_ie_conn_id = -1;
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static int ett_ie_remote_ip = -1;
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static int ett_ie_remote_port = -1;
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static int ett_ie_local_port = -1;
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static int ett_ie_local_ip = -1;
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static int ett_ie_rtp_payload = -1;
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static proto_tree *top_tree;
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static dissector_handle_t gsm_cbch_handle;
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static dissector_handle_t gsm_cbs_handle;
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static dissector_handle_t gsm_a_ccch_handle;
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static dissector_handle_t gsm_a_dtap_handle;
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static dissector_handle_t gsm_a_sacch_handle;
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/* Decode things as nanoBTS traces */
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static gboolean global_rsl_use_nano_bts = FALSE;
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/* Forward declarations */
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static int dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset);
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static const true_false_string rsl_t_bit_vals = {
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"Considered transparent by BTS",
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"Not considered transparent by BTS"
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};
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static const true_false_string rsl_na_vals = {
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"Not Applicable",
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"Applicable"
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};
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static const true_false_string rsl_extension_bit_value = {
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"Extension",
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"No Extension"
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};
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/*
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* 9.1 Message discriminator
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*/
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/* Radio link Layer Management Messages */
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static const value_string rsl_msg_disc_vals[] = {
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{ 0x00, "Reserved" },
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{ 0x01, "Radio Link Layer Management messages" },
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{ 0x04, "Dedicated Channel Management messages" },
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{ 0x06, "Common Channel Management messages" },
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{ 0x08, "TRX Management messages" },
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{ 0x16, "Location Services messages" },
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{ 0x3f, "ip.access Vendor Specific messages" },
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{ 0, NULL }
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};
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#define RSL_MSGDISC_IPACCESS 0x3f
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/*
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* 9.2 MESSAGE TYPE
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*/
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/* Radio link Layer Management Messages */
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#define RSL_MSG_TYPE_DATA_REQ 1 /* 0x01 */
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#define RSL_MSG_TYPE_DATA_IND 2 /* 0x02 */
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#define RSL_MSG_TYPE_ERROR_IND 3 /* 0x03 */
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#define RSL_MSG_TYPE_EST_REQ 4 /* 0x04 */
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#define RSL_MSG_TYPE_EST_CONF 5 /* 0x05 */
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#define RSL_MSG_EST_IND 6 /* 0x06 */
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#define RSL_MSG_REL_REQ 7 /* 0x07 */
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#define RSL_MSG_REL_CONF 8 /* 0x08 */
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#define RSL_MSG_REL_IND 9 /* 0x09 */
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#define RSL_MSG_UNIT_DATA_REQ 10 /* 0x0a */
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/* Common Channel Management messages */
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#define RSL_MSG_BCCH_INFO 17 /* 0x11 */
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#define RSL_MSG_CCCH_LOAD_IND 18 /* 0x12 */
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#define RSL_MSG_CHANRQD 19 /* 0x13 */
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#define RSL_MSG_DELETE_IND 20 /* 0x14 */
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#define RSL_MSG_PAGING_CMD 21 /* 0x15 */
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#define RSL_MSG_IMM_ASS_CMD 22 /* 0x16 */
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#define RSL_MSG_SMS_BC_REQ 23 /* 0x17 8.5.7 */
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/* TRX Management messages */
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#define RSL_MSG_RF_RES_IND 25 /* 8.6.1 */
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#define RSL_MSG_SACCH_FILL 26 /* 8.6.2 */
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#define RSL_MSG_OVERLOAD 27 /* 8.6.3 */
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#define RSL_MSG_ERROR_REPORT 28 /* 8.6.4 */
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#define RSL_MSG_SMS_BC_CMD 29 /* 8.5.8 */
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#define RSL_MSG_CBCH_LOAD_IND 30 /* 8.5.9 */
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#define RSL_MSG_NOT_CMD 31 /* 8.5.10 */
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/* 0 0 1 - - - - - Dedicated Channel Management messages: */
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#define RSL_MSG_CHAN_ACTIV 33
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#define RSL_MSG_CHAN_ACTIV_ACK 34
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#define RSL_MSG_CHAN_ACTIV_N_ACK 35
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#define RSL_MSG_CONN_FAIL 36
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#define RSL_MSG_DEACTIVATE_SACCH 37
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#define RSL_MSG_ENCR_CMD 38 /* 8.4.6 */
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#define RSL_MSG_HANDODET 39 /* 8.4.7 */
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#define RSL_MSG_MEAS_RES 40 /* 8.4.8 */
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#define RSL_MSG_MODE_MODIFY_REQ 41 /* 8.4.9 */
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#define RSL_MSG_MODE_MODIFY_ACK 42 /* 8.4.10 */
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#define RSL_MSG_MODE_MODIFY_NACK 43 /* 8.4.11 */
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#define RSL_MSG_PHY_CONTEXT_REQ 44 /* 8.4.12 */
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#define RSL_MSG_PHY_CONTEXT_CONF 45 /* 8.4.13 */
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#define RSL_MSG_RF_CHAN_REL 46 /* 8.4.14 */
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#define RSL_MSG_MS_POWER_CONTROL 47 /* 8.4.15 */
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#define RSL_MSG_BS_POWER_CONTROL 48 /* 8.4.16 */
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#define RSL_MSG_PREPROC_CONFIG 49 /* 8.4.17 */
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#define RSL_MSG_PREPROC_MEAS_RES 50 /* 8.4.18 */
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#define RSL_MSG_RF_CHAN_REL_ACK 51 /* 8.4.19 */
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#define RSL_MSG_SACCH_INFO_MODIFY 52 /* 8.4.20 */
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#define RSL_MSG_TALKER_DET 53 /* 8.4.21 */
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#define RSL_MSG_LISTENER_DET 54 /* 8.4.22 */
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#define RSL_MSG_REMOTE_CODEC_CONF_REP 55 /* 8.4.23 */
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#define RSL_MSG_R_T_D_REP 56 /* 8.4.24 */
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#define RSL_MSG_PRE_HANDO_NOTIF 57 /* 8.4.25 */
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#define RSL_MSG_MR_CODEC_MOD_REQ 58 /* 8.4.26 */
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#define RSL_MSG_MR_CODEC_MOD_ACK 59 /* 8.4.27 */
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#define RSL_MSG_MR_CODEC_MOD_NACK 60 /* 8.4.28 */
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#define RSL_MSG_MR_CODEC_MOD_PER 61 /* 8.4.29 */
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#define RSL_MSG_TFO_REP 62 /* 8.4.30 */
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#define RSL_MSG_TFO_MOD_REQ 63 /* 8.4.31 */
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/* 0 1 - - - - - - Location Services messages: */
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#define RSL_MSG_LOC_INF 65 /* 8.7.1 */
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/* Vendor-Specific messages of ip.access nanoBTS. There is no public documentation
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* about those extensions, all information in this dissector is based on lawful
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* protocol reverse enginering by Harald Welte <laforge@gnumonks.org> */
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#define RSL_MSG_TYPE_IPAC_MEAS_PP_DEF 0x60
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#define RSL_MSG_TYPE_IPAC_HO_CAND_INQ 0x61
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#define RSL_MSG_TYPE_IPAC_HO_CAND_RESP 0x62
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#define RSL_MSG_TYPE_IPAC_PDCH_ACT 0x48
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#define RSL_MSG_TYPE_IPAC_PDCH_ACT_ACK 0x49
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#define RSL_MSG_TYPE_IPAC_PDCH_ACT_NACK 0x4a
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#define RSL_MSG_TYPE_IPAC_PDCH_DEACT 0x4b
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#define RSL_MSG_TYPE_IPAC_PDCH_DEACT_ACK 0x4c
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#define RSL_MSG_TYPE_IPAC_PDCH_DEACT_NACK 0x4d
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#define RSL_MSG_TYPE_IPAC_CRCX 0x70
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#define RSL_MSG_TYPE_IPAC_CRCX_ACK 0x71
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#define RSL_MSG_TYPE_IPAC_CRCX_NACK 0x72
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#define RSL_MSG_TYPE_IPAC_MDCX 0x73
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#define RSL_MSG_TYPE_IPAC_MDCX_ACK 0x74
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#define RSL_MSG_TYPE_IPAC_MDCX_NACK 0x75
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#define RSL_MSG_TYPE_IPAC_DLCX_IND 0x76
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#define RSL_MSG_TYPE_IPAC_DLCX 0x77
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#define RSL_MSG_TYPE_IPAC_DLCX_ACK 0x78
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#define RSL_MSG_TYPE_IPAC_DLCX_NACK 0x79
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#define RSL_IE_IPAC_SRTP_CONFIG 0xe0
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#define RSL_IE_IPAC_PROXY_UDP 0xe1
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#define RSL_IE_IPAC_BSCMPL_TOUT 0xe2
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#define RSL_IE_IPAC_REMOTE_IP 0xf0
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#define RSL_IE_IPAC_REMOTE_PORT 0xf1
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#define RSL_IE_IPAC_RTP_PAYLOAD 0xf2
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#define RSL_IE_IPAC_LOCAL_PORT 0xf3
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#define RSL_IE_IPAC_SPEECH_MODE 0xf4
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#define RSL_IE_IPAC_LOCAL_IP 0xf5
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#define RSL_IE_IPAC_CONN_STAT 0xf6
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#define RSL_IE_IPAC_HO_C_PARMS 0xf7
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#define RSL_IE_IPAC_CONN_ID 0xf8
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#define RSL_IE_IPAC_RTP_CSD_FMT 0xf9
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#define RSL_IE_IPAC_RTP_JIT_BUF 0xfa
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#define RSL_IE_IPAC_RTP_COMPR 0xfb
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#define RSL_IE_IPAC_RTP_PAYLOAD2 0xfc
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#define RSL_IE_IPAC_RTP_MPLEX 0xfd
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#define RSL_IE_IPAC_RTP_MPLEX_ID 0xfe
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static const value_string rsl_msg_type_vals[] = {
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/* 0 0 0 0 - - - - Radio Link Layer Management messages: */
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/* 0x01 */ { RSL_MSG_TYPE_DATA_REQ, "DATA REQuest" }, /* 8.3.1 */
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/* 0x02 */ { RSL_MSG_TYPE_DATA_IND, "DATA INDication" }, /* 8.3.2 */
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/* 0x03 */ { RSL_MSG_TYPE_ERROR_IND, "ERROR INDication" }, /* 8.3.3 */
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/* 0x04 */ { RSL_MSG_TYPE_EST_REQ, "ESTablish REQuest" }, /* 8.3.4 */
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/* 0x05 */ { RSL_MSG_TYPE_EST_CONF, "ESTablish CONFirm" }, /* 8.3.5 */
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/* 0x06 */ { RSL_MSG_EST_IND, "ESTablish INDication" }, /* 8.3.6 */
|
|
/* 0x07 */ { RSL_MSG_REL_REQ, "RELease REQuest" }, /* 8.3.7 */
|
|
/* 0x08 */ { RSL_MSG_REL_CONF, "RELease CONFirm" }, /* 8.3.8 */
|
|
/* 0x09 */ { RSL_MSG_REL_IND, "RELease INDication" }, /* 8.3.9 */
|
|
/* 0x0a */ { RSL_MSG_UNIT_DATA_REQ, "UNIT DATA REQuest" }, /* 8.3.10 */
|
|
/* 0 0 0 1 - - - - Common Channel Management/TRX Management messages: */
|
|
/* 0x11 */ { RSL_MSG_BCCH_INFO, "BCCH INFOrmation" }, /* 8.5.1 */
|
|
/* 0x12 */ { RSL_MSG_CCCH_LOAD_IND, "CCCH LOAD INDication" }, /* 8.5.2 */
|
|
/* 0x13 */ { RSL_MSG_CHANRQD, "CHANnel ReQuireD" }, /* 8.5.3 */
|
|
/* 0x14 */ { RSL_MSG_DELETE_IND, "DELETE INDication" }, /* 8.5.4 */
|
|
/* 0x15 */ { RSL_MSG_PAGING_CMD, "PAGING CoMmanD" }, /* 8.5.5 */
|
|
/* 0x16 */ { RSL_MSG_IMM_ASS_CMD, "IMMEDIATE ASSIGN COMMAND" }, /* 8.5.6 */
|
|
/* 0x17 */ { RSL_MSG_SMS_BC_REQ, "SMS BroadCast REQuest" }, /* 8.5.7 */
|
|
|
|
/* 0x19 */ { RSL_MSG_RF_RES_IND, "RF RESource INDication" }, /* 8.6.1 */
|
|
/* 0x1a */ { RSL_MSG_SACCH_FILL, "SACCH FILLing" }, /* 8.6.2 */
|
|
/* 0x1b */ { RSL_MSG_OVERLOAD, "OVERLOAD" }, /* 8.6.3 */
|
|
/* 0x1c */ { RSL_MSG_ERROR_REPORT, "ERROR REPORT" }, /* 8.6.4 */
|
|
/* 0x1d */ { RSL_MSG_SMS_BC_CMD, "SMS BroadCast CoMmanD" }, /* 8.5.8 */
|
|
/* 0x1e */ { RSL_MSG_CBCH_LOAD_IND, "CBCH LOAD INDication" }, /* 8.5.9 */
|
|
/* 0x1f */ { RSL_MSG_NOT_CMD, "NOTification CoMmanD" }, /* 8.5.10 */
|
|
|
|
/* 0 0 1 - - - - - Dedicated Channel Management messages: */
|
|
/* 0x21 */ { RSL_MSG_CHAN_ACTIV, "CHANnel ACTIVation" }, /* 8.4.1 */
|
|
/* 0x22 */ { RSL_MSG_CHAN_ACTIV_ACK, "CHANnel ACTIVation ACKnowledge" }, /* 8.4.2 */
|
|
/* 0x23 */ { RSL_MSG_CHAN_ACTIV_N_ACK, "CHANnel ACTIVation Negative ACK" }, /* 8.4.3 */
|
|
/* 0x24 */ { RSL_MSG_CONN_FAIL, "CONNection FAILure" }, /* 8.4.4 */
|
|
/* 0x25 */ { RSL_MSG_DEACTIVATE_SACCH, "DEACTIVATE SACCH" }, /* 8.4.5 */
|
|
/* 0x26 */ { RSL_MSG_ENCR_CMD, "ENCRyption CoMmanD" }, /* 8.4.6 */
|
|
/* 0x27 */ { RSL_MSG_HANDODET, "HANDOver DETection" }, /* 8.4.7 */
|
|
/* 0x28 */ { RSL_MSG_MEAS_RES, "MEASurement RESult" }, /* 8.4.8 */
|
|
/* 0x29 */ { RSL_MSG_MODE_MODIFY_REQ, "MODE MODIFY REQuest" }, /* 8.4.9 */
|
|
/* 0x2a */ { RSL_MSG_MODE_MODIFY_ACK, "MODE MODIFY ACKnowledge" }, /* 8.4.10 */
|
|
/* 0x2v */ { RSL_MSG_MODE_MODIFY_NACK, "MODE MODIFY Negative ACKnowledge" }, /* 8.4.11 */
|
|
/* 0x2b */ { RSL_MSG_PHY_CONTEXT_REQ, "PHYsical CONTEXT REQuest" }, /* 8.4.12 */
|
|
/* 0x2d */ { RSL_MSG_PHY_CONTEXT_CONF, "PHYsical CONTEXT CONFirm" }, /* 8.4.13 */
|
|
/* 0x2e */ { RSL_MSG_RF_CHAN_REL, "RF CHANnel RELease" }, /* 8.4.14 */
|
|
/* 0x2f */ { RSL_MSG_MS_POWER_CONTROL, "MS POWER CONTROL" }, /* 8.4.15 */
|
|
/* 0x30 */ { RSL_MSG_BS_POWER_CONTROL, "BS POWER CONTROL" }, /* 8.4.16 */
|
|
/* 0x31 */ { RSL_MSG_PREPROC_CONFIG, "PREPROCess CONFIGure" }, /* 8.4.17 */
|
|
/* 0x32 */ { RSL_MSG_PREPROC_MEAS_RES, "PREPROCessed MEASurement RESult" }, /* 8.4.18 */
|
|
/* 0x33 */ { RSL_MSG_RF_CHAN_REL_ACK, "RF CHANnel RELease ACKnowledge" }, /* 8.4.19 */
|
|
/* 0x34 */ { RSL_MSG_SACCH_INFO_MODIFY, "SACCH INFO MODIFY" }, /* 8.4.20 */
|
|
/* 0x35 */ { RSL_MSG_TALKER_DET, "TALKER DETection" }, /* 8.4.21 */
|
|
/* 0x36 */ { RSL_MSG_LISTENER_DET, "LISTENER DETection" }, /* 8.4.22 */
|
|
/* 0x37 */ { RSL_MSG_REMOTE_CODEC_CONF_REP, "REMOTE CODEC CONFiguration REPort" }, /* 8.4.23 */
|
|
/* 0x38 */ { RSL_MSG_R_T_D_REP, "Round Trip Delay REPort" }, /* 8.4.24 */
|
|
/* 0x39 */ { RSL_MSG_PRE_HANDO_NOTIF, "PRE-HANDOver NOTIFication" }, /* 8.4.25 */
|
|
/* 0x3a */ { RSL_MSG_MR_CODEC_MOD_REQ, "MultiRate CODEC MODification REQest" }, /* 8.4.26 */
|
|
/* 0x3b */ { RSL_MSG_MR_CODEC_MOD_ACK, "MultiRate CODEC MOD ACKnowledge" }, /* 8.4.27 */
|
|
/* 0x3c */ { RSL_MSG_MR_CODEC_MOD_NACK, "MultiRate CODEC MOD Negative ACKnowledge" }, /* 8.4.28 */
|
|
/* 0x3d */ { RSL_MSG_MR_CODEC_MOD_PER, "MultiRate CODEC MOD PERformed" }, /* 8.4.29 */
|
|
/* 0x3e */ { RSL_MSG_TFO_REP, "TFO REPort" }, /* 8.4.30 */
|
|
/* 0x3f */ { RSL_MSG_TFO_MOD_REQ, "TFO MODification REQuest" }, /* 8.4.31 */
|
|
/* 0 1 - - - - - - Location Services messages: */
|
|
/* 0x41 */ { 0x41, "Location Information" }, /* 8.7.1 */
|
|
/* ip.access */
|
|
{ 0x48, "ip.access PDCH ACTIVATION" },
|
|
{ 0x49, "ip.access PDCH ACTIVATION ACK" },
|
|
{ 0x4a, "ip.access PDCH ACTIVATION NACK" },
|
|
{ 0x4b, "ip.access PDCH DEACTIVATION" },
|
|
{ 0x4c, "ip.access PDCH DEACTIVATION ACK" },
|
|
{ 0x4d, "ip.access PDCH DEACTIVATION NACK" },
|
|
{ 0x60, "ip.access MEASurement PREPROCessing DeFauLT" },
|
|
{ 0x61, "ip.access HANDOover CANDidate ENQuiry" },
|
|
{ 0x62, "ip.access HANDOover CANDidate RESPonse" },
|
|
{ 0x70, "ip.access CRCX" },
|
|
{ 0x71, "ip.access CRCX ACK" },
|
|
{ 0x72, "ip.access CRCX NACK" },
|
|
{ 0x73, "ip.access MDCX" },
|
|
{ 0x74, "ip.access MDCX ACK" },
|
|
{ 0x75, "ip.access MDCX NACK" },
|
|
{ 0x76, "ip.access DLCX INDication" },
|
|
{ 0x77, "ip.access DLCX" },
|
|
{ 0x78, "ip.access DLCX ACK" },
|
|
{ 0x79, "ip.access DLCX NACK" },
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext rsl_msg_type_vals_ext = VALUE_STRING_EXT_INIT(rsl_msg_type_vals);
|
|
|
|
#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_MS_POWER_PARAM 31
|
|
#define RSL_IE_BS_POWER_PARAM 32
|
|
#define RSL_IE_PREPROC_PARAM 33
|
|
#define RSL_IE_PREPROC_MEAS 34
|
|
|
|
#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 */ { RSL_IE_CH_NO, "Channel Number" }, /* 9.3.1 */
|
|
/* 0x02 */ { RSL_IE_LINK_ID, "Link Identifier" }, /* 9.3.2 */
|
|
/* 0x03 */ { RSL_IE_ACT_TYPE, "Activation Type" }, /* 9.3.3 */
|
|
/* 0x04 */ { RSL_IE_BS_POW, "BS Power" }, /* 9.3.4 */
|
|
/* 0x05 */ { RSL_IE_CH_ID, "Channel Identification" }, /* 9.3.5 */
|
|
/* 0x06 */ { RSL_IE_CH_MODE, "Channel Mode" }, /* 9.3.6 */
|
|
/* 0x07 */ { RSL_IE_ENC_INF, "Encryption Information" }, /* 9.3.7 */
|
|
/* 0x08 */ { RSL_IE_FRAME_NO, "Frame Number" }, /* 9.3.8 */
|
|
/* 0x09 */ { RSL_IE_HO_REF, "Handover Reference" }, /* 9.3.9 */
|
|
/* 0x0a */ { RSL_IE_L1_INF, "L1 Information" }, /* 9.3.10 */
|
|
/* 0x0b */ { RSL_IE_L3_INF, "L3 Information" }, /* 9.3.11 */
|
|
/* 0x0c */ { RSL_IE_MS_ID, "MS Identity" }, /* 9.3.12 */
|
|
/* 0x0d */ { RSL_IE_MS_POW, "MS Power" }, /* 9.3.13 */
|
|
/* 0x0e */ { RSL_IE_PAGING_GRP, "Paging Group" }, /* 9.3.14 */
|
|
/* 0x0f */ { RSL_IE_PAGING_LOAD, "Paging Load" }, /* 9.3.15 */
|
|
/* 0x10 */ { RSL_IE_PHY_CTX, "Physical Context" }, /* 9.3.16 */
|
|
/* 0x11 */ { RSL_IE_ACCESS_DELAY, "Access Delay" }, /* 9.3.17 */
|
|
/* 0x12 */ { RSL_IE_RACH_LOAD, "RACH Load" }, /* 9.3.18 */
|
|
/* 0x12 */ { RSL_IE_REQ_REF, "Request Reference" }, /* 9.3.19 */
|
|
/* 0x14 */ { RSL_IE_REL_MODE, "Release Mode" }, /* 9.3.20 */
|
|
/* 0x15 */ { RSL_IE_RESOURCE_INF, "Resource Information" }, /* 9.3.21 */
|
|
/* 0x16 */ { RSL_IE_RLM_CAUSE, "RLM Cause" }, /* 9.3.22 */
|
|
/* 0x17 */ { RSL_IE_STARTING_TIME, "Starting Time" }, /* 9.3.23 */
|
|
/* 0x18 */ { RSL_IE_TIMING_ADV, "Timing Advance" }, /* 9.3.24 */
|
|
/* 0x19 */ { RSL_IE_UPLINK_MEAS, "Uplink Measurements" }, /* 9.3.25 */
|
|
/* 0x1a */ { RSL_IE_CAUSE, "Cause" }, /* 9.3.26 */
|
|
/* 0x1b */ { RSL_IE_MEAS_RES_NO, "Measurement Result Number" }, /* 9.3.27 */
|
|
/* 0x1c */ { RSL_IE_MESSAGE_ID, "Message Identifier" }, /* 9.3.28 */
|
|
/* 0x1d */ { 0x1d, "reserved" }, /* */
|
|
/* 0x1e */ { RSL_IE_SYS_INFO_TYPE, "System Info Type" }, /* 9.3.30 */
|
|
/* 0x1f */ { RSL_IE_MS_POWER_PARAM, "MS Power Parameters" }, /* 9.3.31 */
|
|
/* 0x20 */ { RSL_IE_BS_POWER_PARAM, "BS Power Parameters" }, /* 9.3.32 */
|
|
/* 0x21 */ { RSL_IE_PREPROC_PARAM, "Pre-processing Parameters" }, /* 9.3.33 */
|
|
/* 0x22 */ { RSL_IE_PREPROC_MEAS, "Pre-processed Measurements" }, /* 9.3.34 */
|
|
/* 0x23 */ { 0x23, "reserved" }, /* */
|
|
/* 0x24 */ { RSL_IE_SMSCB_INF, "SMSCB Information" }, /* 9.3.36 */
|
|
/* 0x25 */ { RSL_IE_FULL_MS_TIMING_OFFSET, "MS Timing Offset" }, /* 9.3.37 */
|
|
/* 0x26 */ { RSL_IE_ERR_MSG, "Erroneous Message" }, /* 9.3.38 */
|
|
/* 0x27 */ { RSL_IE_FULL_BCCH_INF, "Full BCCH Information" }, /* 9.3.39 */
|
|
/* 0x28 */ { RSL_IE_CH_NEEDED, "Channel Needed" }, /* 9.3.40 */
|
|
/* 0x29 */ { RSL_IE_CB_CMD_TYPE, "CB Command type" }, /* 9.3.41 */
|
|
/* 0x2a */ { RSL_IE_SMSCB_MESS, "SMSCB Message" }, /* 9.3.42 */
|
|
/* 0x2b */ { RSL_IE_CBCH_LOAD_INF, "Full Immediate Assign Info" }, /* 9.3.35 */
|
|
/* 0x2c */ { 0x2c, "SACCH Information" }, /* 9.3.29 */
|
|
/* 0x2d */ { 0x2d, "CBCH Load Information" }, /* 9.3.43 */
|
|
/* 0x2e */ { RSL_IE_SMSCB_CH_IND, "SMSCB Channel Indicator" }, /* 9.3.44 */
|
|
/* 0x2f */ { RSL_IE_GRP_CALL_REF, "Group Call Reference" }, /* 9.3.45 */
|
|
/* 0x30 */ { RSL_IE_CH_DESC, "Channel Description" }, /* 9.3.46 */
|
|
/* 0x31 */ { RSL_IE_NCH_DRX_INF, "NCH DRX Information" }, /* 9.3.47 */
|
|
/* 0x32 */ { RSL_IE_CMD_IND, "Command Indicator" }, /* 9.3.48 */
|
|
/* 0x33 */ { RSL_IE_EMLPP_PRIO, "eMLPP Priority" }, /* 9.3.49 */
|
|
/* 0x34 */ { RSL_IE_UIC, "UIC" }, /* 9.3.50 */
|
|
/* 0x35 */ { RSL_IE_MAIN_CH_REF, "Main Channel Reference" }, /* 9.3.51 */
|
|
/* 0x36 */ { RSL_IE_MULTIRATE_CONF, "MultiRate Configuration" }, /* 9.3.52 */
|
|
/* 0x37 */ { RSL_IE_MULTIRATE_CNTRL, "MultiRate Control" }, /* 9.3.53 */
|
|
/* 0x38 */ { RSL_IE_SUP_CODEC_TYPES, "Supported Codec Types" }, /* 9.3.54 */
|
|
/* 0x39 */ { RSL_IE_CODEC_CONF, "Codec Configuration" }, /* 9.3.55 */
|
|
/* 0x3a */ { RSL_IE_RTD, "Round Trip Delay" }, /* 9.3.56 */
|
|
/* 0x3b */ { RSL_IE_TFO_STATUS, "TFO Status" }, /* 9.3.57 */
|
|
/* 0x3c */ { RSL_IE_LLP_APDU, "LLP APDU" }, /* 9.3.58 */
|
|
/* 0x3d */ { RSL_IE_TFO_TRANSP_CONT, "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
|
|
|
|
*/
|
|
/* 0xe0 */ { 0xe0, "SRTP Configuration" },
|
|
/* 0xe1 */ { 0xe1, "BSC Proxy UDP Port" },
|
|
/* 0xe2 */ { 0xe2, "BSC Multiplex Timeout" },
|
|
/* 0xf0 */ { 0xf0, "Remote IP Address" },
|
|
/* 0xf1 */ { 0xf1, "Remote RTP Port" },
|
|
/* 0xf2 */ { 0xf2, "RTP Payload Type" },
|
|
/* 0xf3 */ { 0xf3, "Local RTP Port" },
|
|
/* 0xf4 */ { 0xf4, "Speech Mode" },
|
|
/* 0xf5 */ { 0xf5, "Local IP Address" },
|
|
/* 0xf6 */ { 0xf6, "Connection Statistics" },
|
|
/* 0xf7 */ { 0xf7, "Handover C Parameters" },
|
|
/* 0xf8 */ { 0xf8, "Connection Identifier" },
|
|
/* 0xf9 */ { 0xf9, "RTP CSD Format" },
|
|
/* 0xfa */ { 0xfa, "RTP Jitter Buffer" },
|
|
/* 0xfb */ { 0xfb, "RTP Compression" },
|
|
/* 0xfc */ { 0xfc, "RTP Payload Type 2" },
|
|
/* 0xfd */ { 0xfd, "RTP Multiplex" },
|
|
/* 0xfe */ { 0xfe, "RTP Multiplex Identifier" },
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext rsl_ie_type_vals_ext = VALUE_STRING_EXT_INIT(rsl_ie_type_vals);
|
|
|
|
|
|
/*
|
|
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" },
|
|
{ 0x02, "Lm + ACCH (sub-chan 0)" },
|
|
{ 0x03, "Lm + ACCH (sub-chan 1)" },
|
|
{ 0x04, "SDCCH/4 + ACCH (sub-chan 0)" },
|
|
{ 0x05, "SDCCH/4 + ACCH (sub-chan 1)" },
|
|
{ 0x06, "SDCCH/4 + ACCH (sub-chan 2)" },
|
|
{ 0x07, "SDCCH/4 + ACCH (sub-chan 3)" },
|
|
{ 0x08, "SDCCH/8 + ACCH (sub-chan 0)" },
|
|
{ 0x09, "SDCCH/8 + ACCH (sub-chan 1)" },
|
|
{ 0x0a, "SDCCH/8 + ACCH (sub-chan 2)" },
|
|
{ 0x0b, "SDCCH/8 + ACCH (sub-chan 3)" },
|
|
{ 0x0c, "SDCCH/8 + ACCH (sub-chan 4)" },
|
|
{ 0x0d, "SDCCH/8 + ACCH (sub-chan 5)" },
|
|
{ 0x0e, "SDCCH/8 + ACCH (sub-chan 6)" },
|
|
{ 0x0f, "SDCCH/8 + ACCH (sub-chan 7)" },
|
|
{ 0x10, "BCCH" },
|
|
{ 0x11, "Uplink CCCH (RACH)" },
|
|
{ 0x12, "Downlink CCCH (PCH + AGCH)" },
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext rsl_ch_no_Cbits_vals_ext = VALUE_STRING_EXT_INIT(rsl_ch_no_Cbits_vals);
|
|
|
|
/* From openbsc/include/openbsc/tlv.h */
|
|
enum tlv_type {
|
|
TLV_TYPE_UNKNOWN,
|
|
TLV_TYPE_FIXED,
|
|
TLV_TYPE_T,
|
|
TLV_TYPE_TV,
|
|
TLV_TYPE_TLV,
|
|
TLV_TYPE_TL16V
|
|
};
|
|
|
|
struct tlv_def {
|
|
enum tlv_type type;
|
|
guint8 fixed_len;
|
|
};
|
|
|
|
struct tlv_definition {
|
|
struct tlv_def def[0xff];
|
|
};
|
|
|
|
/* This structure is initialized in proto_register_rsl() */
|
|
static struct tlv_definition rsl_att_tlvdef;
|
|
|
|
/* 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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_ch_no, NULL, "Channel number IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* C-bits */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb,offset,2, ett_ie_link_id, NULL, "Link Identifier IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
return offset;
|
|
}
|
|
/* channel type */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* NA - Not applicable */
|
|
proto_tree_add_item(ie_tree, hf_rsl_na, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Priority */
|
|
proto_tree_add_item(ie_tree, hf_rsl_prio, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_act_type, NULL, "Activation Type IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
switch (octet) {
|
|
case 0:
|
|
/* Activation related to intra-cell channel change */
|
|
proto_tree_add_item(ie_tree, hf_rsl_a1_0, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 1:
|
|
/* Activation related to inter-cell channel change (handover) */
|
|
proto_tree_add_item(ie_tree, hf_rsl_a1_1, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 2:
|
|
/* Activation related to secondary channels */
|
|
proto_tree_add_item(ie_tree, hf_rsl_a1_2, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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 value_string_ext rsl_rlm_bs_power_vals_ext = VALUE_STRING_EXT_INIT(rsl_rlm_bs_power_vals);
|
|
|
|
static int
|
|
dissect_rsl_ie_bs_power(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
|
|
{
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_bs_power, NULL, "BS Power IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* EPC mode */
|
|
proto_tree_add_item(ie_tree, hf_rsl_epc_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* FPC_EPC mode */
|
|
proto_tree_add_item(ie_tree, hf_rsl_bs_fpc_epc_mode, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ch_id, &ti, "Channel Identification IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
ie_offset = offset;
|
|
|
|
/* 3GPP TS 44.018 "Channel Description"
|
|
* the whole of the 3GPP TS 44.018 element including the element identifier and
|
|
* length should be included.
|
|
* XXX Hmm a type 3 IE (TV).
|
|
*/
|
|
proto_tree_add_text(ie_tree, tvb,offset, 1, "Channel Description Tag");
|
|
de_rr_ch_dsc(tvb, ie_tree, pinfo, offset+1, length, NULL, 0);
|
|
offset += 4;
|
|
/*
|
|
* The 3GPP TS 24.008 "Mobile Allocation" shall for compatibility reasons be
|
|
* included but empty, i.e. the length shall be zero.
|
|
*/
|
|
proto_tree_add_text(ie_tree, tvb,offset,2,"Mobile Allocation Tag+Length(0)");
|
|
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" },
|
|
{ 0x18, "Full rate TCH channel Bm Group call channel" },
|
|
{ 0x19, "Half rate TCH channel Lm Group call channel" },
|
|
{ 0x1a, "Full rate TCH channel uni-directional downlink Bm, Multislot configuration" },
|
|
{ 0x28, "Full rate TCH channel Bm Broadcast call channel" },
|
|
{ 0x29, "PHalf rate TCH channel Lm Broadcast call channel" },
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext rsl_ch_rate_and_type_vals_ext = VALUE_STRING_EXT_INIT(rsl_ch_rate_and_type_vals);
|
|
|
|
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 }
|
|
};
|
|
|
|
#if 0
|
|
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 }
|
|
};
|
|
#endif
|
|
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ch_mode, &ti, "Channel Mode IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cm_dtxu, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* The "Speech or data indicator" field (octet 4) */
|
|
proto_tree_add_item(ie_tree, hf_rsl_speech_or_data, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
break;
|
|
case 2:
|
|
/* Data */
|
|
proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_t_nt_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
}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, ENC_BIG_ENDIAN);
|
|
}
|
|
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(ie_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, "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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_enc_inf, &ti, "Encryption information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Algorithm Identifier field (octet 3) */
|
|
proto_tree_add_item(ie_tree, hf_rsl_alg_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* key */
|
|
proto_tree_add_item(ie_tree, hf_rsl_key, tvb, offset+1, length -1, ENC_NA);
|
|
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_ie_frame_no, NULL, "Frame Number IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_ho_ref, NULL, "Handover reference IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Hand-over reference */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ho_ref, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_ie_l1_inf, NULL, "L1 Information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_l1inf_power_lev, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* FPC */
|
|
proto_tree_add_item(ie_tree, hf_rsl_l1inf_fpc, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Actual Timing Advance */
|
|
proto_tree_add_item(ie_tree, hf_rsl_act_timing_adv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
typedef enum
|
|
{
|
|
L3_INF_CCCH,
|
|
L3_INF_SACCH,
|
|
L3_INF_OTHER
|
|
}l3_inf_t;
|
|
/*
|
|
* 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, l3_inf_t type)
|
|
{
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_L3_inf, &ti, "L3 Information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset= offset+2;
|
|
|
|
if (type == L3_INF_CCCH)
|
|
{
|
|
/* L3 PDUs carried on CCCH have L2 PSEUDO LENGTH octet or are RR Short PD format */
|
|
proto_tree_add_text(ie_tree, tvb,offset,length,"Link Layer Service Data Unit (L3 Message)(CCCH)");
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
call_dissector(gsm_a_ccch_handle, next_tvb, pinfo, top_tree);
|
|
}
|
|
else if (type == L3_INF_SACCH)
|
|
{
|
|
/* L3 PDUs carried on SACCH are normal format or are RR Short PD format */
|
|
proto_tree_add_text(ie_tree, tvb,offset,length,"Link Layer Service Data Unit (L3 Message)(SACCH)");
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
call_dissector(gsm_a_sacch_handle, next_tvb, pinfo, top_tree);
|
|
}
|
|
else
|
|
{
|
|
/* 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_length(tvb, offset, 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, 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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ms_id, &ti, "MS Identity IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
de_mid(tvb, ie_tree, pinfo, 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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_ms_pow, NULL, "MS Power IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* MS power level */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ms_power_lev, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* FPC */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ms_fpc, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* 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_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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_paging_grp, NULL, "Paging Group IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_ie_paging_load, NULL, "Paging Load IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/*
|
|
* Paging Buffer Space.
|
|
*/
|
|
proto_tree_add_item(ie_tree, hf_rsl_paging_load, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_phy_ctx, &ti, "Physical Context IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_NA);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_access_delay, NULL, "Access Delay IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_acc_delay, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_rach_load, &ti, "RACH Load IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset = offset +2;
|
|
length = length -2;
|
|
/* RACH Busy Count */
|
|
proto_tree_add_item(ie_tree, hf_rsl_rach_busy_cnt, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset = offset +2;
|
|
length = length -2;
|
|
|
|
/* RACH Access Count */
|
|
proto_tree_add_item(ie_tree, hf_rsl_rach_acc_cnt, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 4, ett_ie_req_ref, NULL, "Request Reference IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_ra, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 4, ett_ie_rel_mode, NULL, "Release Mode IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
|
|
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, "unsolicited 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 }
|
|
};
|
|
static value_string_ext rsl_rlm_cause_vals_ext = VALUE_STRING_EXT_INIT(rsl_rlm_cause_vals);
|
|
|
|
/*
|
|
* 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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_resource_inf, &ti, "Resource Information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
ie_offset = offset;
|
|
|
|
while (length > 0) {
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_no_Cbits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Interference level (1) */
|
|
/* Interf Band */
|
|
proto_tree_add_item(ie_tree, hf_rsl_interf_band, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* Interf Band reserved bits */
|
|
proto_tree_add_item(ie_tree, hf_rsl_interf_band_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_rlm_cause, &ti, "RLM Cause IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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.
|
|
*/
|
|
/* XXX: Code doesn't reflect the comment above ?? */
|
|
/* octet = tvb_get_guint8(tvb,offset); */
|
|
proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cause, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* 9.3.23 Starting Time
|
|
*/
|
|
static int
|
|
dissect_rsl_ie_starting_time(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, gboolean is_mandatory)
|
|
{
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 3, ett_ie_staring_time, NULL, "Starting Time IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T1prim, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T3, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
proto_tree_add_item(ie_tree, hf_rsl_req_ref_T2, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_timing_adv, NULL, "Timing Advance IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ie_tree, hf_rsl_timing_adv, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_uplink_meas, &ti, "Uplink Measurements IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_rxlev_full_up, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_rxqual_sub_up, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_cause, &ti, "Cause IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
ie_offset = offset;
|
|
|
|
/* Cause Value */
|
|
octet = tvb_get_guint8(tvb,offset);
|
|
proto_tree_add_item(tree, hf_rsl_extension_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(tree, hf_rsl_class, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
if ((octet & 0x80) == 0x80)
|
|
/* 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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_meas_res_no, NULL, "Measurement result number IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Measurement result number */
|
|
proto_tree_add_item(ie_tree, hf_rsl_meas_res_no, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_message_id, NULL, "Message Identifier IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Message Type */
|
|
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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" },
|
|
{ 0x28, "SYSTEM INFORMATION 13" },
|
|
{ 0x29, "SYSTEM INFORMATION 2quater" },
|
|
{ 0x2a, "SYSTEM INFORMATION 9" },
|
|
{ 0x2b, "SYSTEM INFORMATION 18" },
|
|
{ 0x2c, "SYSTEM INFORMATION 19" },
|
|
{ 0x2d, "SYSTEM INFORMATION 20" },
|
|
{ 0x47, "EXTENDED MEASUREMENT ORDER" },
|
|
{ 0x48, "MEASUREMENT INFORMATION" },
|
|
{ 0, NULL }
|
|
};
|
|
static value_string_ext rsl_sys_info_type_vals_ext = VALUE_STRING_EXT_INIT(rsl_sys_info_type_vals);
|
|
|
|
|
|
static int
|
|
dissect_rsl_ie_sys_info_type(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset,
|
|
gboolean is_mandatory, guint8 *sys_info_type)
|
|
{
|
|
proto_tree *ie_tree;
|
|
guint8 ie_id;
|
|
|
|
if (is_mandatory == FALSE) {
|
|
ie_id = tvb_get_guint8(tvb,offset);
|
|
if (ie_id != RSL_IE_SYS_INFO_TYPE) {
|
|
*sys_info_type = 0xff;
|
|
return offset;
|
|
}
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_sys_info_type, NULL, "System Info Type IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* Message Type */
|
|
*sys_info_type = tvb_get_guint8(tvb, offset);
|
|
proto_tree_add_item(tree, hf_rsl_sys_info_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_full_imm_ass_inf, &ti, "Full Immediate Assign Info IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_length(tvb, offset, 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;
|
|
tvbuff_t *next_tvb;
|
|
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_smscb_inf, &ti, "SMSCB Information IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/*
|
|
* SMSCB frame
|
|
*/
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
call_dissector(gsm_cbch_handle, next_tvb, pinfo, top_tree);
|
|
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ms_timing_offset, NULL, "MS Timing Offset IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_err_msg, &ti, "Erroneous Message IE ");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_full_bcch_inf, &ti, "Full BCCH Information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_length(tvb, offset, length);
|
|
call_dissector(gsm_a_ccch_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_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;
|
|
}
|
|
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ch_needed, NULL, "Channel Needed IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Channel */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_cb_cmd_type, NULL, "CB Command type IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Channel */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_needed, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
tvbuff_t *next_tvb;
|
|
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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_smscb_mess, &ti, "SMSCB Message IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
ie_offset = offset;
|
|
|
|
/*
|
|
* SMSCB Message
|
|
*/
|
|
|
|
next_tvb = tvb_new_subset_length(tvb, offset, length);
|
|
call_dissector(gsm_cbs_handle, next_tvb, pinfo, top_tree);
|
|
|
|
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 *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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_cbch_load_inf, NULL, "CBCH Load Information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
octet = tvb_get_guint8(tvb,offset);
|
|
/* CBCH Load Type */
|
|
proto_tree_add_item(ie_tree, hf_rsl_cbch_load_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* Message Slot Count */
|
|
item = proto_tree_add_item(ie_tree, hf_rsl_msg_slt_cnt, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_smscb_ch_ind, NULL, "SMSCB Channel Indicator IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Channel Ind */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ch_ind, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* 9.3.45 Group call reference
|
|
*/
|
|
static int
|
|
dissect_rsl_ie_grp_call_ref(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_GRP_CALL_REF)
|
|
return offset;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_grp_call_ref, &ti, "Group call reference IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, pinfo, 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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_ch_desc, &ti, "Channel description IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_nch_drx, NULL, "NCH DRX information IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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 */
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_cmd_ind, NULL, "Command indicator IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* Extension bit */
|
|
proto_tree_add_item(ie_tree, hf_rsl_extension_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
|
|
/* 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, ENC_BIG_ENDIAN);
|
|
offset = offset+2;
|
|
}else{
|
|
/* Command Value */
|
|
proto_tree_add_item(ie_tree, hf_rsl_command, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_emlpp_prio, NULL, "eMLPP Priority IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_uic, NULL, "UIC IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_main_ch_ref, NULL, "Main channel reference IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
return offset;
|
|
}
|
|
|
|
/*
|
|
* 9.3.52 MultiRate configuration
|
|
*/
|
|
|
|
static int
|
|
dissect_rsl_ie_multirate_conf(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_MULTIRATE_CONF)
|
|
return offset;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_multirate_conf, &ti, "MultiRate configuration IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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, pinfo, 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_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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 2, ett_ie_multirate_cntrl, NULL, "MultiRate Control IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_sup_codec_types, &ti, "Supported Codec Types IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_codec_conf, &ti, "Codec Configuration IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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 *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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_rtd, NULL, "Round Trip Delay IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_tfo_status, NULL, "TFO Status IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
proto_tree_add_item(ie_tree, hf_rsl_tfo, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_llp_apdu, &ti, "LLP APDU IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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;
|
|
}
|
|
|
|
ie_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_ie_tfo_transp_cont, &ti, "TFO transparent container IE");
|
|
|
|
/* Element identifier */
|
|
proto_tree_add_item(ie_tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
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, ENC_BIG_ENDIAN);
|
|
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_ipaccess_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
guint8 msg_type;
|
|
guint32 local_addr = 0;
|
|
guint16 local_port = 0;
|
|
address src_addr;
|
|
|
|
msg_type = tvb_get_guint8(tvb, offset) & 0x7f;
|
|
offset++;
|
|
|
|
/* parse TLV attributes */
|
|
while (tvb_reported_length_remaining(tvb, offset) > 0) {
|
|
guint8 tag;
|
|
unsigned int len, hlen;
|
|
const struct tlv_def *tdef;
|
|
proto_item *ti;
|
|
proto_tree *ie_tree;
|
|
|
|
tag = tvb_get_guint8(tvb, offset);
|
|
tdef = &rsl_att_tlvdef.def[tag];
|
|
|
|
switch (tdef->type) {
|
|
case TLV_TYPE_FIXED:
|
|
hlen = 1;
|
|
len = tdef->fixed_len;
|
|
break;
|
|
case TLV_TYPE_T:
|
|
hlen = 1;
|
|
len = 0;
|
|
break;
|
|
case TLV_TYPE_TV:
|
|
hlen = 1;
|
|
len = 1;
|
|
break;
|
|
case TLV_TYPE_TLV:
|
|
hlen = 2;
|
|
len = tvb_get_guint8(tvb, offset+1);
|
|
break;
|
|
case TLV_TYPE_TL16V:
|
|
hlen = 3;
|
|
len = tvb_get_guint8(tvb, offset+1) << 8 |
|
|
tvb_get_guint8(tvb, offset+2);
|
|
break;
|
|
case TLV_TYPE_UNKNOWN:
|
|
default:
|
|
DISSECTOR_ASSERT_NOT_REACHED();
|
|
break;
|
|
}
|
|
|
|
ti = proto_tree_add_item(tree, hf_rsl_ie_id, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
ie_tree = proto_item_add_subtree(ti, ett_ie_local_port);
|
|
offset += hlen;
|
|
|
|
switch (tag) {
|
|
case RSL_IE_CH_NO:
|
|
dissect_rsl_ie_ch_no(tvb, pinfo, ie_tree, offset, FALSE);
|
|
break;
|
|
case RSL_IE_FRAME_NO:
|
|
dissect_rsl_ie_frame_no(tvb, pinfo, ie_tree, offset, FALSE);
|
|
break;
|
|
case RSL_IE_MS_POW:
|
|
dissect_rsl_ie_ms_pow(tvb, pinfo, ie_tree, offset, FALSE);
|
|
break;
|
|
case RSL_IE_IPAC_REMOTE_IP:
|
|
proto_tree_add_item(ie_tree, hf_rsl_remote_ip, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_REMOTE_PORT:
|
|
proto_tree_add_item(ie_tree, hf_rsl_remote_port, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_LOCAL_IP:
|
|
proto_tree_add_item(ie_tree, hf_rsl_local_ip, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
local_addr = tvb_get_ipv4(tvb, offset);
|
|
break;
|
|
case RSL_IE_IPAC_LOCAL_PORT:
|
|
proto_tree_add_item(ie_tree, hf_rsl_local_port, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
local_port = tvb_get_ntohs(tvb, offset);
|
|
break;
|
|
case RSL_IE_IPAC_SPEECH_MODE:
|
|
proto_tree_add_item(ie_tree, hf_rsl_speech_mode_s, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_speech_mode_m, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_RTP_PAYLOAD:
|
|
case RSL_IE_IPAC_RTP_PAYLOAD2:
|
|
proto_tree_add_item(ie_tree, hf_rsl_rtp_payload, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_RTP_CSD_FMT:
|
|
proto_tree_add_item(ie_tree, hf_rsl_rtp_csd_fmt_d, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_rtp_csd_fmt_ir, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_CONN_ID:
|
|
proto_tree_add_item(ie_tree, hf_rsl_conn_id, tvb,
|
|
offset, len, ENC_BIG_ENDIAN);
|
|
break;
|
|
case RSL_IE_IPAC_CONN_STAT:
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_tx_pkts, tvb,
|
|
offset, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_tx_octs, tvb,
|
|
offset+4, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_rx_pkts, tvb,
|
|
offset+8, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_rx_octs, tvb,
|
|
offset+12, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_lost_pkts, tvb,
|
|
offset+16, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_ia_jitter, tvb,
|
|
offset+20, 4, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(ie_tree, hf_rsl_cstat_avg_tx_dly, tvb,
|
|
offset+24, 4, ENC_BIG_ENDIAN);
|
|
break;
|
|
}
|
|
offset += len;
|
|
}
|
|
|
|
switch (msg_type) {
|
|
case RSL_MSG_TYPE_IPAC_CRCX_ACK:
|
|
/* Notify the RTP and RTCP dissectors about a new RTP stream */
|
|
src_addr.type = AT_IPv4;
|
|
src_addr.len = 4;
|
|
src_addr.data = (guint8 *)&local_addr;
|
|
rtp_add_address(pinfo, &src_addr, local_port, 0,
|
|
"GSM A-bis/IP", pinfo->fd->num, 0, NULL);
|
|
rtcp_add_address(pinfo, &src_addr, local_port+1, 0,
|
|
"GSM A-bis/IP", pinfo->fd->num);
|
|
break;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
static int
|
|
dissct_rsl_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
|
|
{
|
|
guint8 msg_disc, msg_type, sys_info_type;
|
|
|
|
msg_disc = tvb_get_guint8(tvb, offset++) >> 1;
|
|
msg_type = tvb_get_guint8(tvb,offset) & 0x7f;
|
|
proto_tree_add_item(tree, hf_rsl_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
if (msg_disc == RSL_MSGDISC_IPACCESS) {
|
|
offset = dissct_rsl_ipaccess_msg(tvb, pinfo, tree, offset);
|
|
return offset;
|
|
}
|
|
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, L3_INF_OTHER);
|
|
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, L3_INF_OTHER);
|
|
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, L3_INF_OTHER);
|
|
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, L3_INF_OTHER);
|
|
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, &sys_info_type);
|
|
/* 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_starting_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, &sys_info_type);
|
|
/* 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,
|
|
(sys_info_type == 0x48) ? L3_INF_SACCH : L3_INF_OTHER);
|
|
/* Starting Time 9.3.23 O 2) TV 3 */
|
|
if (tvb_length_remaining(tvb,offset) > 0)
|
|
offset = dissect_rsl_ie_starting_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, L3_INF_OTHER);
|
|
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){
|
|
/* Try to figure out of we have (MEAS REP, EXT MEAS REP or ENH MEAS REP) */
|
|
if ( ( tvb_get_guint8(tvb, offset+3) & 0xFE ) == 0x10 ) {
|
|
/* ENH MEAS REP */
|
|
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE, L3_INF_SACCH);
|
|
}else{
|
|
offset = dissect_rsl_ie_L3_inf(tvb, pinfo, tree, offset, FALSE, L3_INF_OTHER);
|
|
}
|
|
}
|
|
/* 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, &sys_info_type);
|
|
/* 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,
|
|
(sys_info_type == 0x48) ? L3_INF_SACCH : L3_INF_OTHER);
|
|
/* Starting Time 9.3.23 O 2) TV 3 */
|
|
if (tvb_length_remaining(tvb,offset) > 0)
|
|
offset = dissect_rsl_ie_starting_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;
|
|
/* the following messages are ip.access specific but sent without
|
|
* ip.access memssage discriminator */
|
|
case RSL_MSG_TYPE_IPAC_MEAS_PP_DEF:
|
|
case RSL_MSG_TYPE_IPAC_HO_CAND_INQ:
|
|
case RSL_MSG_TYPE_IPAC_HO_CAND_RESP:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_ACT:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_ACT_ACK:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_ACT_NACK:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_DEACT:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_DEACT_ACK:
|
|
case RSL_MSG_TYPE_IPAC_PDCH_DEACT_NACK:
|
|
if (global_rsl_use_nano_bts)
|
|
offset = dissct_rsl_ipaccess_msg(tvb, pinfo, tree, offset-1);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return offset;
|
|
|
|
}
|
|
|
|
static const value_string rsl_ipacc_spm_s_vals[] = {
|
|
{ 0, "GSM FR codec (GSM type 1, FS)" },
|
|
{ 1, "GSM EFR codec (GSM type 2, FS)" },
|
|
{ 2, "GSM AMR/FR codec (GSM type 3, FS)" },
|
|
{ 3, "GSM HR codec (GSM type 1, HS)" },
|
|
{ 5, "GSM AMR/HR codec (GSM type 3, HS)" },
|
|
{ 0xf, "As specified by RTP Payload Type IE" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string rsl_ipacc_spm_m_vals[] = {
|
|
{ 0, "Send and Receive" },
|
|
{ 1, "Receive Only" },
|
|
{ 2, "Send Only" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string rsl_ipacc_rtp_csd_fmt_d_vals[] = {
|
|
{ 0, "External TRAU format" },
|
|
{ 1, "Non-TRAU Packed format" },
|
|
{ 2, "TRAU within the BTS" },
|
|
{ 3, "IWF-Free BTS-BTS Data" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const value_string rsl_ipacc_rtp_csd_fmt_ir_vals[] = {
|
|
{ 0, "8kb/s" },
|
|
{ 1, "16kb/s" },
|
|
{ 2, "32kb/s" },
|
|
{ 3, "64kb/s" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static int
|
|
dissect_rsl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
proto_item *ti;
|
|
proto_tree *rsl_tree;
|
|
guint8 msg_type;
|
|
|
|
|
|
int offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "RSL");
|
|
col_clear(pinfo->cinfo, COL_INFO);
|
|
|
|
msg_type = tvb_get_guint8(tvb,offset+1) & 0x7f;
|
|
|
|
col_append_fstr(pinfo->cinfo, COL_INFO, "%s ",val_to_str_ext(msg_type, &rsl_msg_type_vals_ext,"unknown %u"));
|
|
|
|
top_tree = tree;
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_rsl, tvb, 0, -1, ENC_NA);
|
|
|
|
/* if nanoBTS specific vendor messages are not enabled, skip */
|
|
if (!global_rsl_use_nano_bts) {
|
|
guint8 msg_disc = tvb_get_guint8(tvb, offset) >> 1;
|
|
|
|
if (msg_disc == RSL_MSGDISC_IPACCESS)
|
|
return 0;
|
|
}
|
|
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, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(rsl_tree, hf_rsl_T_bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
offset = dissct_rsl_msg(tvb, pinfo, rsl_tree, offset);
|
|
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
/* 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", "gsm_abis_rsl.msg_dsc",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_msg_disc_vals), 0xfe,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_T_bit,
|
|
{ "T bit", "gsm_abis_rsl.T_bit",
|
|
FT_BOOLEAN, 8, TFS(&rsl_t_bit_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_msg_type,
|
|
{ "Message type", "gsm_abis_rsl.msg_type",
|
|
FT_UINT8, BASE_HEX_DEC|BASE_EXT_STRING, &rsl_msg_type_vals_ext, 0x7f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ie_id,
|
|
{ "Element identifier", "gsm_abis_rsl.ie_id",
|
|
FT_UINT8, BASE_HEX_DEC|BASE_EXT_STRING, &rsl_ie_type_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ie_length,
|
|
{ "Length", "gsm_abis_rsl.ie_length",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_no_Cbits,
|
|
{ "C-bits", "gsm_abis_rsl.ch_no_Cbits",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &rsl_ch_no_Cbits_vals_ext, 0xf8,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_no_TN,
|
|
{ "Time slot number (TN)", "gsm_abis_rsl.ch_no_TN",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rtd,
|
|
{ "Round Trip Delay (RTD)", "gsm_abis_rsl.rtd",
|
|
FT_UINT8, BASE_DEC, NULL, 0xfe,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_delay_ind,
|
|
{ "Delay IND", "gsm_abis_rsl.delay_ind",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_delay_ind_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_tfo,
|
|
{ "TFO", "gsm_abis_rsl.tfo",
|
|
FT_BOOLEAN, 8, TFS(&rsl_tfo_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_req_ref_ra,
|
|
{ "Random Access Information (RA)", "gsm_abis_rsl.req_ref_ra",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_req_ref_T1prim,
|
|
{ "T1'", "gsm_abis_rsl.req_ref_T1prim",
|
|
FT_UINT8, BASE_DEC, NULL, 0xf8,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_req_ref_T3,
|
|
{ "T3", "gsm_abis_rsl.req_ref_T3",
|
|
FT_UINT16, BASE_DEC, NULL, 0x07e0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_req_ref_T2,
|
|
{ "T2", "gsm_abis_rsl.req_ref_T2",
|
|
FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_timing_adv,
|
|
{ "Timing Advance", "gsm_abis_rsl.timing_adv",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ho_ref,
|
|
{ "Hand-over reference", "gsm_abis_rsl.ho_ref",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_l1inf_power_lev,
|
|
{ "MS power level", "gsm_abis_rsl.ms_power_lev",
|
|
FT_UINT8, BASE_DEC, NULL, 0xf8,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_l1inf_fpc,
|
|
{ "FPC/EPC", "gsm_abis_rsl.ms_fpc",
|
|
FT_BOOLEAN, 8, TFS(&rsl_ms_fpc_epc_mode_vals), 0x04,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ms_power_lev,
|
|
{ "MS power level", "gsm_abis_rsl.ms_power_lev",
|
|
FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ms_fpc,
|
|
{ "FPC/EPC", "gsm_abis_rsl.ms_fpc",
|
|
FT_BOOLEAN, 8, TFS(&rsl_ms_fpc_epc_mode_vals), 0x20,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_act_timing_adv,
|
|
{ "Actual Timing Advance", "gsm_abis_rsl.act_timing_adv",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_dtxd,
|
|
{ "DTXd", "gsm_abis_rsl.dtxd",
|
|
FT_BOOLEAN, 8, TFS(&rsl_dtxd_vals), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rxlev_full_up,
|
|
{ "RXLEV.FULL.up", "gsm_abis_rsl.rxlev_full_up",
|
|
FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rxlev_sub_up,
|
|
{ "RXLEV.SUB.up", "gsm_abis_rsl.rxlev_sub_up",
|
|
FT_UINT8, BASE_DEC, NULL, 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rxqual_full_up,
|
|
{ "RXQUAL.FULL.up", "gsm_abis_rsl.rxqual_full_up",
|
|
FT_UINT8, BASE_DEC, NULL, 0x38,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rxqual_sub_up,
|
|
{ "RXQUAL.SUB.up", "gsm_abis_rsl.rxqual_sub_up",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_acc_delay,
|
|
{ "Access Delay", "gsm_abis_rsl.acc_del",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rach_slot_cnt,
|
|
{ "RACH Slot Count", "gsm_abis_rsl.rach_slot_cnt",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rach_busy_cnt,
|
|
{ "RACH Busy Count", "gsm_abis_rsl.rach_busy_cnt",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rach_acc_cnt,
|
|
{ "RACH Access Count", "gsm_abis_rsl.rach_acc_cnt",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_phy_ctx,
|
|
{ "Physical Context", "gsm_abis_rsl.phy_ctx",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_na,
|
|
{ "Not applicable (NA)", "gsm_abis_rsl.na",
|
|
FT_BOOLEAN, 8, TFS(&rsl_na_vals), 0x20,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_type,
|
|
{ "channel type", "gsm_abis_rsl.ch_type",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_ch_type_vals), 0xc0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_prio,
|
|
{ "Priority", "gsm_abis_rsl.prio",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_prio_vals), 0x18,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_sapi,
|
|
{ "SAPI", "gsm_abis_rsl.sapi",
|
|
FT_UINT8, BASE_DEC, NULL, 0x07,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rbit,
|
|
{ "R", "gsm_abis_rsl.rbit",
|
|
FT_BOOLEAN, 8, TFS(&rsl_rbit_vals), 0x80,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_a3a2,
|
|
{ "A3A2", "gsm_abis_rsl.a3a2",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_a3a2_vals), 0x06,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_a1_0,
|
|
{ "A1", "gsm_abis_rsl.a1_0",
|
|
FT_BOOLEAN, 8, TFS(&rsl_a1_0_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_a1_1,
|
|
{ "A1", "gsm_abis_rsl.a1_1",
|
|
FT_BOOLEAN, 8, TFS(&rsl_a1_1_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_a1_2,
|
|
{ "A1", "gsm_abis_rsl.a2_0",
|
|
FT_BOOLEAN, 8, TFS(&rsl_a1_2_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_epc_mode,
|
|
{ "EPC mode", "gsm_abis_rsl.epc_mode",
|
|
FT_BOOLEAN, 8, TFS(&rsl_epc_mode_vals), 0x20,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_bs_fpc_epc_mode,
|
|
{ "FPC-EPC mode", "gsm_abis_rsl.fpc_epc_mode",
|
|
FT_BOOLEAN, 8, TFS(&rsl_fpc_epc_mode_vals), 0x10,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_bs_power,
|
|
{ "Power Level", "gsm_abis_rsl.bs_power",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &rsl_rlm_bs_power_vals_ext, 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cm_dtxd,
|
|
{ "DTXd", "gsm_abis_rsl.cm_dtxd",
|
|
FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x02,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cm_dtxu,
|
|
{ "DTXu", "gsm_abis_rsl.cm_dtxu",
|
|
FT_BOOLEAN, 8, TFS(&rsl_dtx_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_speech_or_data,
|
|
{ "Speech or data indicator", "gsm_abis_rsl.speech_or_data",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_speech_or_data_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_rate_and_type,
|
|
{ "Channel rate and type", "gsm_abis_rsl.ch_rate_and_type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &rsl_ch_rate_and_type_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_speech_coding_alg,
|
|
{ "Speech coding algorithm", "gsm_abis_rsl.speech_coding_alg",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_speech_coding_alg_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_t_nt_bit,
|
|
{ "Transparent indication", "gsm_abis_rsl.t_nt_bit",
|
|
FT_BOOLEAN, 8, TFS(&t_nt_bit_vals), 0x40,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ra_if_data_rte,
|
|
{ "Radio interface data rate", "gsm_abis_rsl.ra_if_data_rte",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_data_rte,
|
|
{ "Data rate", "gsm_abis_rsl.data_rte",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_ra_if_data_rte_vals), 0x3f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_alg_id,
|
|
{ "Algorithm Identifier", "gsm_abis_rsl.alg_id",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_algorithm_id_vals), 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_key,
|
|
{ "KEY", "gsm_abis_rsl.key",
|
|
FT_BYTES, BASE_NONE, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cause,
|
|
{ "Cause", "gsm_abis_rsl.cause",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &rsl_rlm_cause_vals_ext, 0x7f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rel_mode,
|
|
{ "Release Mode", "gsm_abis_rsl.rel_mode",
|
|
FT_UINT8, BASE_DEC, VALS(rel_mode_vals), 0x01,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_interf_band,
|
|
{ "Interf Band", "gsm_abis_rsl.interf_band",
|
|
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_interf_band_reserved,
|
|
{ "Interf Band reserved bits", "gsm_abis_rsl.interf_band_reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x1f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_meas_res_no,
|
|
{ "Measurement result number", "gsm_abis_rsl.meas_res_no",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_extension_bit,
|
|
{ "Extension", "gsm_abis_rsl.extension_bit",
|
|
FT_BOOLEAN, 8, TFS(&rsl_extension_bit_value), 0x80,
|
|
NULL, HFILL }},
|
|
{ &hf_rsl_class,
|
|
{ "Class", "gsm_abis_rsl.class",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_class_vals), 0x70,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_paging_grp,
|
|
{ "Paging Group", "gsm_abis_rsl.paging_grp",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_paging_load,
|
|
{ "Paging Buffer Space", "gsm_abis_rsl.paging_load",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_sys_info_type,
|
|
{ "System Info Type", "gsm_abis_rsl.sys_info_type",
|
|
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &rsl_sys_info_type_vals_ext, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_timing_offset,
|
|
{ "Timing Offset", "gsm_abis_rsl.timing_offset",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_needed,
|
|
{ "Channel Needed", "gsm_abis_rsl.ch_needed",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_ch_needed_vals), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cbch_load_type,
|
|
{ "CBCH Load Type", "gsm_abis_rsl.cbch_load_type",
|
|
FT_BOOLEAN, 8, TFS(&rsl_cbch_load_type_vals), 0x80,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_msg_slt_cnt,
|
|
{ "Message Slot Count", "gsm_abis_rsl.sg_slt_cnt",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_ch_ind,
|
|
{ "Channel Ind", "gsm_abis_rsl.ch_ind",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_ch_ind_vals), 0x0f,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_command,
|
|
{ "Command", "gsm_abis_rsl.cmd",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_emlpp_prio,
|
|
{ "eMLPP Priority", "gsm_abis_rsl.emlpp_prio",
|
|
FT_UINT8, BASE_DEC, VALS(rsl_emlpp_prio_vals), 0x03,
|
|
NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_speech_mode_s,
|
|
{ "ip.access Speech Mode S", "gsm_abis_rsl.ipacc.speech_mode_s",
|
|
FT_UINT8, BASE_HEX, VALS(rsl_ipacc_spm_s_vals),
|
|
0xf, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_speech_mode_m,
|
|
{ "ip.access Speech Mode M", "gsm_abis_rsl.ipacc.speech_mode_m",
|
|
FT_UINT8, BASE_HEX, VALS(rsl_ipacc_spm_m_vals),
|
|
0xf0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_conn_id,
|
|
{ "ip.access Connection ID", "gsm_abis_rsl.ipacc.conn_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rtp_payload,
|
|
{ "ip.access RTP Payload Type", "gsm_abis_rsl.ipacc.rtp_payload",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_rtp_csd_fmt_d,
|
|
{ "ip.access RTP CSD Format D", "gsm_abis_rsl.ipacc.rtp_csd_fmt_d",
|
|
FT_UINT8, BASE_HEX, VALS(rsl_ipacc_rtp_csd_fmt_d_vals),
|
|
0x0f, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_rtp_csd_fmt_ir,
|
|
{ "ip.access RTP CSD Format IR", "gsm_abis_rsl.ipacc.rtp_csd_fmt_ir",
|
|
FT_UINT8, BASE_HEX, VALS(rsl_ipacc_rtp_csd_fmt_ir_vals),
|
|
0xf0, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_local_port,
|
|
{ "ip.access Local RTP Port", "gsm_abis_rsl.ipacc.local_port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_remote_port,
|
|
{ "ip.access Remote RTP Port", "gsm_abis_rsl.ipacc.remote_port",
|
|
FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_local_ip,
|
|
{ "ip.access Local IP Address", "gsm_abis_rsl.ipacc.local_ip",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_remote_ip,
|
|
{ "ip.access Remote IP Address", "gsm_abis_rsl.ipacc.remote_ip",
|
|
FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL },
|
|
},
|
|
{ &hf_rsl_cstat_tx_pkts,
|
|
{ "Packets Sent", "gsm_abis_rsl.ipacc.cstat.tx_pkts",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_tx_octs,
|
|
{ "Octets Sent", "gsm_abis_rsl.ipacc.cstat.tx_octets",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_rx_pkts,
|
|
{ "Packets Received", "gsm_abis_rsl.ipacc.cstat.rx_pkts",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_rx_octs,
|
|
{ "Octets Received", "gsm_abis_rsl.ipacc.cstat.rx_octets",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_lost_pkts,
|
|
{ "Packets Lost", "gsm_abis_rsl.ipacc.cstat.lost_pkts",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_ia_jitter,
|
|
{ "Inter-arrival Jitter", "gsm_abis_rsl.ipacc.cstat.ia_jitter",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }
|
|
},
|
|
{ &hf_rsl_cstat_avg_tx_dly,
|
|
{ "Average Tx Delay", "gsm_abis_rsl.ipacc.cstat.avg_tx_delay",
|
|
FT_UINT32, BASE_DEC, NULL, 0, NULL, 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_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,
|
|
&ett_ie_speech_mode,
|
|
&ett_ie_conn_id,
|
|
&ett_ie_remote_ip,
|
|
&ett_ie_remote_port,
|
|
&ett_ie_local_port,
|
|
&ett_ie_local_ip,
|
|
&ett_ie_rtp_payload,
|
|
};
|
|
module_t *rsl_module;
|
|
|
|
#define RSL_ATT_TLVDEF(_attr, _type, _fixed_len) \
|
|
rsl_att_tlvdef.def[_attr].type = _type; \
|
|
rsl_att_tlvdef.def[_attr].fixed_len = _fixed_len; \
|
|
|
|
/* We register even the standard RSL IE TVLs here, not just the
|
|
* ip.access vendor specific elements. This is due to the fact that we
|
|
* don't have any formal specification for the ip.access RSL dialect,
|
|
* and this way any standard elements will be 'known' to the TLV
|
|
* parser, which can then gracefully skip over such elements and
|
|
* continue decoding the message. This will work even if the switch
|
|
* statement in dissct_rsl_ipaccess_msg() doesn't contain explicit code
|
|
* to decode them (yet?).
|
|
*/
|
|
RSL_ATT_TLVDEF(RSL_IE_CH_NO, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_LINK_ID, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_ACT_TYPE, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_BS_POW, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CH_ID, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CH_MODE, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_ENC_INF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_FRAME_NO, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_HO_REF, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_L1_INF, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_L3_INF, TLV_TYPE_TL16V, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MS_ID, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MS_POW, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_PAGING_GRP, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_PAGING_LOAD, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_PHY_CTX, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_ACCESS_DELAY, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_RACH_LOAD, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_REQ_REF, TLV_TYPE_FIXED, 3);
|
|
RSL_ATT_TLVDEF(RSL_IE_REL_MODE, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_RESOURCE_INF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_RLM_CAUSE, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_STARTING_TIME, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_TIMING_ADV, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_UPLINK_MEAS, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CAUSE, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MEAS_RES_NO, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MESSAGE_ID, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_SYS_INFO_TYPE, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MS_POWER_PARAM, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_BS_POWER_PARAM, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_PREPROC_PARAM, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_PREPROC_MEAS, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_ERR_MSG, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_FULL_BCCH_INF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CH_NEEDED, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CB_CMD_TYPE, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_SMSCB_MESS, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_FULL_IMM_ASS_INF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CBCH_LOAD_INF, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_SMSCB_CH_IND, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_GRP_CALL_REF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CH_DESC, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_NCH_DRX_INF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CMD_IND, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_EMLPP_PRIO, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_UIC, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MAIN_CH_REF, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MULTIRATE_CONF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_MULTIRATE_CNTRL, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_SUP_CODEC_TYPES, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_CODEC_CONF, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_RTD, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_TFO_STATUS, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_LLP_APDU, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_REMOTE_IP, TLV_TYPE_FIXED, 4);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_REMOTE_PORT, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_LOCAL_IP, TLV_TYPE_FIXED, 4);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_CONN_STAT, TLV_TYPE_TLV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_LOCAL_PORT, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_SPEECH_MODE, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_CONN_ID, TLV_TYPE_FIXED, 2);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_RTP_PAYLOAD2,TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_RTP_PAYLOAD, TLV_TYPE_TV, 0);
|
|
RSL_ATT_TLVDEF(RSL_IE_IPAC_RTP_CSD_FMT, TLV_TYPE_TV, 0);
|
|
|
|
/* Register the protocol name and description */
|
|
proto_rsl = proto_register_protocol("Radio Signalling Link (RSL)", "RSL", "gsm_abis_rsl");
|
|
|
|
proto_register_field_array(proto_rsl, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
new_register_dissector("gsm_abis_rsl", dissect_rsl, proto_rsl);
|
|
|
|
rsl_module = prefs_register_protocol(proto_rsl, proto_reg_handoff_rsl);
|
|
prefs_register_bool_preference(rsl_module, "use_ipaccess_rsl",
|
|
"Use nanoBTS definitions",
|
|
"Use ipaccess nanoBTS specific definitions for RSL",
|
|
&global_rsl_use_nano_bts);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_rsl(void)
|
|
{
|
|
dissector_handle_t rsl_handle;
|
|
|
|
rsl_handle = new_create_dissector_handle(dissect_rsl, proto_rsl);
|
|
dissector_add_uint("lapd.gsm.sapi", LAPD_GSM_SAPI_RA_SIG_PROC, rsl_handle);
|
|
|
|
gsm_cbch_handle = find_dissector("gsm_cbch");
|
|
gsm_cbs_handle = find_dissector("gsm_cbs");
|
|
gsm_a_ccch_handle = find_dissector("gsm_a_ccch");
|
|
gsm_a_dtap_handle = find_dissector("gsm_a_dtap");
|
|
gsm_a_sacch_handle = find_dissector("gsm_a_sacch");
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|