01844e151a
the number of bytes in the packet or subset of the packet is the reported length, tvb_length() just gives you the amount of that data that was actually captured. Include <glib.h>, not <gmodule.h>, even in plugins. Fix the version numbers in the rc files. svn path=/trunk/; revision=21960
996 lines
38 KiB
C
996 lines
38 KiB
C
/* msg_rng_rsp.c
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* WiMax MAC Management RNG-RSP Message decoder
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*
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* Copyright (c) 2007 by Intel Corporation.
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*
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* Author: John R. Underwood <junderx@yahoo.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1999 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Include files */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "moduleinfo.h"
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include "crc.h"
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#include "wimax_tlv.h"
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#include "wimax_mac.h"
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#include "wimax_utils.h"
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extern gint proto_mac_mgmt_msg_rng_req_decoder;
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extern gboolean include_cor2_changes;
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/* forward reference */
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void dissect_mac_mgmt_msg_rng_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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/* external reference */
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extern void dissect_power_saving_class(proto_tree *rng_req_tree, gint tlv_type, tvbuff_t *tvb, guint compound_tlv_len, packet_info *pinfo, guint offset);
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extern void dissect_mac_mgmt_msg_sbc_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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extern void dissect_mac_mgmt_msg_reg_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static gint proto_mac_mgmt_msg_rng_rsp_decoder = -1;
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static gint ett_mac_mgmt_msg_rng_rsp_decoder = -1;
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static gint ett_rng_rsp_message_tree = -1;
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/* Setup protocol subtree array */
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static gint *ett[] =
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{
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&ett_mac_mgmt_msg_rng_rsp_decoder,
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&ett_rng_rsp_message_tree
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};
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/* RNG-RSP fields */
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static gint hf_rng_rsp_message_type = -1;
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static gint hf_rng_req_reserved = -1;
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static gint hf_rng_rsp_ul_channel_id = -1;
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static gint hf_rng_rsp_timing_adjust = -1;
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static gint hf_rng_rsp_power_level_adjust = -1;
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static gint hf_rng_rsp_offset_freq_adjust = -1;
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static gint hf_rng_rsp_ranging_status = -1;
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static gint hf_rng_rsp_dl_freq_override = -1;
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static gint hf_rng_rsp_ul_chan_id_override = -1;
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static gint hf_rng_rsp_dl_operational_burst_profile = -1;
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static gint hf_rng_rsp_dl_operational_burst_profile_diuc = -1;
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static gint hf_rng_rsp_dl_operational_burst_profile_ccc = -1;
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static gint hf_rng_rsp_ss_mac_address = -1;
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static gint hf_rng_rsp_basic_cid = -1;
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static gint hf_rng_rsp_primary_mgmt_cid = -1;
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static gint hf_rng_rsp_broadcast = -1;
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static gint hf_rng_rsp_frame_number = -1;
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static gint hf_rng_rsp_opportunity_number = -1;
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static gint hf_rng_rsp_service_level_prediction = -1;
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static gint hf_rng_rsp_resource_retain_flag = -1;
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static gint hf_rng_rsp_ho_process_optimization = -1;
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static gint hf_rng_rsp_ho_process_optimization_0 = -1;
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static gint hf_rng_rsp_ho_process_optimization_1_2 = -1;
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static gint hf_rng_rsp_ho_process_optimization_3 = -1;
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static gint hf_rng_rsp_ho_process_optimization_4 = -1;
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static gint hf_rng_rsp_ho_process_optimization_5 = -1;
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static gint hf_rng_rsp_ho_process_optimization_6 = -1;
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static gint hf_rng_rsp_ho_process_optimization_7 = -1;
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static gint hf_rng_rsp_ho_process_optimization_8 = -1;
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static gint hf_rng_rsp_ho_process_optimization_9 = -1;
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static gint hf_rng_rsp_ho_process_optimization_10 = -1;
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static gint hf_rng_rsp_ho_process_optimization_11 = -1;
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static gint hf_rng_rsp_ho_process_optimization_12 = -1;
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static gint hf_rng_rsp_ho_process_optimization_13 = -1;
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static gint hf_rng_rsp_ho_process_optimization_14 = -1;
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static gint hf_rng_rsp_ho_process_optimization_15 = -1;
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/* Added the following to help implement RNG-RSP message encoding 33 (Table 367 in IEEE 802.16e-2007) */
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static gint hf_rng_rsp_dl_op_burst_profile_ofdma = -1;
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static gint hf_rng_rsp_least_robust_diuc = -1;
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static gint hf_rng_rsp_repetition_coding_indication = -1;
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static gint hf_rng_rsp_config_change_count_of_dcd = -1;
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/* Added the following to help implement RNG-RSP message encoding 22 (Table 367 in IEEE 802.16e-2007) */
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static gint hf_rng_rsp_ho_id = -1;
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static gint hf_rng_rsp_location_update_response = -1;
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/* Added the following to help implement RNG-RSP message encoding 24 (Table 367 in IEEE 802.16e-2007) */
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static gint hf_rng_rsp_paging_information = -1;
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static gint hf_rng_rsp_paging_cycle = -1;
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static gint hf_rng_rsp_paging_offset = -1;
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static gint hf_rng_rsp_paging_group_id = -1;
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static gint hf_rng_rsp_bs_random = -1;
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static gint hf_rng_rsp_akid = -1;
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static gint hf_rng_rsp_ranging_subchan = -1;
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static gint hf_rng_rsp_time_symbol_reference = -1;
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static gint hf_rng_rsp_subchannel_reference = -1;
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static gint hf_rng_rsp_ranging_code_index = -1;
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static gint hf_rng_rsp_frame_number2 = -1;
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static gint hf_tlv_type = -1;
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static gint hf_tlv_value = -1;
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static gint hf_rng_invalid_tlv = -1;
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/* STRING RESOURCES */
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static const true_false_string tfs_rng_rsp_aas_broadcast = {
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"SS shall not issue contention-based Bandwidth Request",
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"SS may issue contention-based Bandwidth Request"
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};
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static const true_false_string tfs_rng_rsp_resource_retain_flag = {
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"Retained by the BS",
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"Deleted by the BS"
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};
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static const value_string vals_rng_rsp_ranging_status[] = {
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{1, "continue"},
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{2, "abort"},
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{3, "success"},
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{4, "rerange"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_level_of_service[] = {
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{0, "No service possible for this MS"},
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{1, "Some service is available for one or"
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" several service flows authorized for the MS"},
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{2, "For each authorized service flow, a MAC"
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" connection can be established with QoS"
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" specified by the AuthorizedQoSParamSet"},
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{3, "No service level prediction available"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_0[] = {
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{0, "SBC-REQ management messages during current re-entry"
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" processing required"},
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{1, "Omit SBC-REQ management messages during current"
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" re-entry processing"},
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{0, NULL},
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};
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static const value_string vals_rng_rsp_ho_process_optimization_1_2[] = {
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{0, "Perform re-authentication and SA-TEK 3-way handshake."
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" BS should include SA-TEK-Update TLV in the"
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" SA-TEK-Response message. In addition, the RNG-RSP"
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" message does not include SA-TEK-Update TLV or SA"
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" Challenge Tuple TLV."},
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{1, "SA-TEK-Update TLV is included in the RNG-RSP message."
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" In this case, SA-TEK 3-way handshake is avoided and"
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" SA Challenge Tuple TLV shall not be included in the"
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" RNG-RSP message."},
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{2, "Reserved"},
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{3, "Re-authentication and SA-TEK 3-way handshake is not"
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" performed. The RNG-RSP message does not include"
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" SA-TEK-Update TLV nor SA Challenge Tuple TLV. All the"
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" TEKs received from the serving BS are reused"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_3[] = {
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{0, "Network Address Acquisition management messages during"
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" current reentry processing required"},
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{1, "Omit Network Address Acquisition management messages"
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" during current reentry processing"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_4[] = {
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{0, "Time of Day Acquisition management messages during"
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" current reentry processing required"},
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{1, "Omit Time of Day Acquisition management messages"
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" during current reentry processing"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_5[] = {
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{0, "TFTP management messages during current re-entry"
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" processing required"},
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{1, "Omit TFTP management messages during current re-entry"
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" processing"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_6[] = {
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{0, "Full service and operational state transfer or sharing"
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" between Serving BS and Target BS required"},
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{1, "Omit Full service and operational state transfer or"
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" sharing between Serving BS and Target BS"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_7[] = {
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{0, "REG-REQ management message during current re-entry"
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" processing required"},
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{1, "Omit REG-REQ management message during current re-entry"
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" processing"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_8[] = {
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{0, "BS shall send not send an unsolicited SBC-RSP"
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" management message"},
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{1, "BS shall send an unsolicited SBC-RSP management message"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_9[] = {
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{0, "No post-HO re-entry MS DL data pending at target BS"},
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{1, "post-HO re-entry MS DL data pending at target BS"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_10[] = {
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{0, "BS shall not send an unsolicited REG-RSP management"
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" message"},
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{1, "BS shall send an unsolicited REG-RSP management message"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_11[] = {
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{0, "(Target) BS does not support virtual SDU SN"},
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{1, "(Target} BS supports virtual SDU SN"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_12[] = {
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{0, "MS shall not send a notification of MS's successful"
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" re-entry registration"},
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{1, "MS shall send a notification of MS's successful"
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" re-entry registration"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_ho_process_optimization_13[] = {
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{0, "MS shall not trigger a higher layer protocol required"
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" to refresh its traffic IP address"},
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{1, "MS shall trigger a higher layer protocol required to"
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" refresh its traffic IP address"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_repetition_coding_indication[] = {
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{0, "No repetition coding"},
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{1, "Repetition coding of 2"},
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{2, "Repetition coding of 4"},
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{3, "Repetition coding of 6"},
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{0, NULL}
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};
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static const value_string vals_rng_rsp_location_update_response[] = {
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{0, "Success of Location Update"},
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{1, "Failure of Location Update"},
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{3, "Success of location update and DL traffic pending"},
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{4, "Reserved"},
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{0, NULL}
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};
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/* RNG-RSP fields display */
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static hf_register_info hf[] =
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{
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{
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&hf_rng_rsp_message_type,
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{
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"MAC Management Message Type", "wimax.macmgtmsgtype.rng_rsp",
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FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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},
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{
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&hf_rng_rsp_broadcast,
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{
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"AAS broadcast permission", "wimax.rng_rsp.aas_broadcast",
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FT_BOOLEAN, 8, TFS(&tfs_rng_rsp_aas_broadcast), 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_akid,
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{
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"AKId", "wimax.rng_rsp.akid",
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FT_BYTES, BASE_NONE, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_basic_cid,
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{
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"Basic CID", "wimax.rng_rsp.basic_cid",
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FT_UINT16, BASE_DEC, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_bs_random,
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{
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"BS_Random", "wimax.rng_rsp.bs_random",
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FT_BYTES, BASE_NONE, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_config_change_count_of_dcd,
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{
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"Configuration Change Count value of DCD defining DIUC associated burst profile", "wimax.rng_rsp.config_change_count_of_dcd",
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FT_UINT16, BASE_HEX, NULL, 0xFF00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_dl_freq_override,
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{
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"Downlink Frequency Override", "wimax.rng_rsp.dl_freq_override",
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FT_UINT32, BASE_DEC, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_dl_operational_burst_profile_ccc,
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{
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"CCC value of DCD defining the burst profile associated with DIUC", "wimax.rng_rsp.dl_op_burst_prof.ccc",
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FT_UINT16, BASE_DEC, NULL, 0x00FF, "", HFILL
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}
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},
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{
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&hf_rng_rsp_dl_operational_burst_profile_diuc,
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{
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"The least robust DIUC that may be used by the BS for transmissions to the SS", "wimax.rng_rsp.dl_op_burst_prof.diuc",
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FT_UINT16, BASE_DEC, NULL, 0xFF00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_dl_operational_burst_profile,
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{
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"Downlink Operational Burst Profile", "wimax.rng_rsp.dl_op_burst_profile",
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FT_UINT16, BASE_HEX, NULL, 0x00, "", HFILL
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}
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},
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/* Added the following to help implement RNG-RSP message encoding 33 (Table 367 in IEEE 802.16e-2007) */
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{
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&hf_rng_rsp_dl_op_burst_profile_ofdma,
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{
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"Downlink Operational Burst Profile for OFDMA", "wimax.rng_rsp.dl_op_burst_profile_ofdma",
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FT_UINT16, BASE_HEX, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_frame_number2,
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{
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"The 8 least significant bits of the frame number of the OFDMA frame where the SS sent the ranging code", "wimax.rng_rsp.eight_bit_frame_num",
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FT_UINT32, BASE_DEC, NULL, 0x000000FF, "", HFILL
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}
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},
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{
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&hf_rng_rsp_frame_number,
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{
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"Frame number", "wimax.rng_rsp.frame_number",
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FT_UINT24, BASE_DEC, NULL, 0x00, "", HFILL
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}
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},
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/* Added the following to help implement RNG-RSP message encoding 22 (IEEE 802.16e-2007) */
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{
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&hf_rng_rsp_ho_id,
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{
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"HO ID", "wimax.rng_rsp.ho_id",
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FT_UINT8, BASE_HEX, NULL, 0x00, "", HFILL
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}
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},
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{
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&hf_rng_rsp_ho_process_optimization,
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{
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"HO Process Optimization", "wimax.rng_rsp.ho_process_optimization",
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FT_UINT16, BASE_HEX, NULL, 0x0000, "", HFILL
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}
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},
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{
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&hf_rng_rsp_ho_process_optimization_0,
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{
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"Bit #0", "wimax.rng_rsp.ho_process_optimization.omit_sbc_req",
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FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_0), 0x0001, "", HFILL
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}
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},
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{
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&hf_rng_rsp_ho_process_optimization_1_2,
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{
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"Bits #1-2", "wimax.rng_rsp.ho_process_optimization.perform_reauthentication",
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FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_1_2), 0x0006, "", HFILL
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}
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},
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{
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&hf_rng_rsp_ho_process_optimization_3,
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{
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"Bit #3", "wimax.rng_rsp.ho_process_optimization.omit_network_address",
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FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_3), 0x0008, "", HFILL
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}
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},
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{
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&hf_rng_rsp_ho_process_optimization_4,
|
|
{
|
|
"Bit #4", "wimax.rng_rsp.ho_process_optimization.omit_time_of_day",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_4), 0x0010, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_5,
|
|
{
|
|
"Bit #5", "wimax.rng_rsp.ho_process_optimization.omit_tftp",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_5), 0x0020, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_6,
|
|
{
|
|
"Bit #6", "wimax.rng_rsp.ho_process_optimization.transfer_or_sharing",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_6), 0x0040, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_7,
|
|
{
|
|
"Bit #7", "wimax.rng_rsp.ho_process_optimization.omit_reg_req",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_7), 0x0080, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_8,
|
|
{
|
|
"Bit #8", "wimax.rng_rsp.ho_process_optimization.unsolicited_sbc_rsp",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_8), 0x0100, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_9,
|
|
{
|
|
"Bit #9", "wimax.rng_rsp.ho_process_optimization.post_ho_reentry",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_9), 0x0200, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_10,
|
|
{
|
|
"Bit #10", "wimax.rng_rsp.ho_process_optimization.unsolicited_reg_rsp",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_10), 0x0400, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_11,
|
|
{
|
|
"Bit #11", "wimax.rng_rsp.ho_process_optimization.virtual_sdu_sn",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_11), 0x0800, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_12,
|
|
{
|
|
"Bit #12", "wimax.rng_rsp.ho_process_optimization.send_notification",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_12), 0x1000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_13,
|
|
{
|
|
"Bit #13", "wimax.rng_rsp.ho_process_optimization.trigger_higher_layer_protocol",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_13), 0x2000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_14,
|
|
{
|
|
"Bit #14: Reserved", "wimax.rng_rsp.ho_process_optimization.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x4000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ho_process_optimization_15,
|
|
{
|
|
"Bit #15: Reserved", "wimax.rng_rsp.ho_process_optimization.reserved",
|
|
FT_UINT16, BASE_HEX, NULL, 0x8000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_invalid_tlv,
|
|
{
|
|
"Invalid TLV", "wimax.rng_rsp.invalid_tlv",
|
|
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_least_robust_diuc,
|
|
{
|
|
"Least Robust DIUC that may be used by the BS for transmissions to the MS", "wimax.rng_rsp.least_robust_diuc",
|
|
FT_UINT16, BASE_HEX, NULL, 0x000F, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_location_update_response,
|
|
{
|
|
"Location Update Response", "wimax.rng_rsp.location_update_response",
|
|
FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_location_update_response), 0xFF, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_offset_freq_adjust,
|
|
{
|
|
"Offset Frequency Adjust", "wimax.rng_rsp.offset_freq_adjust",
|
|
FT_INT32, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_opportunity_number,
|
|
{
|
|
"Initial ranging opportunity number", "wimax.rng_rsp.opportunity_number",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_paging_cycle,
|
|
{
|
|
"Paging Cycle", "wimax.rng_rsp.paging_cycle",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_paging_group_id,
|
|
{
|
|
"Paging Group ID", "wimax.rng_rsp.paging_group_id",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_paging_information,
|
|
{
|
|
"Paging Information", "wimax.rng_rsp.paging_information",
|
|
FT_BYTES, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_paging_offset,
|
|
{
|
|
"Paging Offset", "wimax.rng_rsp.paging_offset",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_power_level_adjust,
|
|
{
|
|
"Power Level Adjust", "wimax.rng_rsp.power_level_adjust",
|
|
FT_FLOAT, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_primary_mgmt_cid,
|
|
{
|
|
"Primary Management CID", "wimax.rng_rsp.primary_mgmt_cid",
|
|
FT_UINT16, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ranging_code_index,
|
|
{
|
|
"The ranging code index that was sent by the SS", "wimax.rng_rsp.ranging_code_index",
|
|
FT_UINT32, BASE_DEC, NULL, 0x0000FF00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ranging_status,
|
|
{
|
|
"Ranging status", "wimax.rng_rsp.ranging_status",
|
|
FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_ranging_status), 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ranging_subchan,
|
|
{
|
|
"Ranging code attributes", "wimax.rng_rsp.ranging_subchannel",
|
|
FT_UINT32, BASE_HEX, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_repetition_coding_indication,
|
|
{
|
|
"Repetition Coding Indication", "wimax.rng_rsp.repetition_coding_indication",
|
|
FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_repetition_coding_indication), 0x00F0, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_req_reserved,
|
|
{
|
|
"Reserved", "wimax.rng_rsp.reserved",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_resource_retain_flag,
|
|
{
|
|
"The connection information for the MS is", "wimax.rng_rsp.resource_retain_flag",
|
|
FT_BOOLEAN, 8, TFS(&tfs_rng_rsp_resource_retain_flag), 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_service_level_prediction,
|
|
{
|
|
"Service Level Prediction", "wimax.rng_rsp.service_level_prediction",
|
|
FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_level_of_service), 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ss_mac_address,
|
|
{
|
|
"SS MAC Address", "wimax.rng_rsp.ss_mac_address",
|
|
FT_ETHER, BASE_HEX, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_subchannel_reference,
|
|
{
|
|
"OFDMA subchannel reference used to transmit the ranging code", "wimax.rng_rsp.subchannel_reference",
|
|
FT_UINT32, BASE_DEC, NULL, 0x003f0000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_time_symbol_reference,
|
|
{
|
|
"OFDM time symbol reference used to transmit the ranging code", "wimax.rng_rsp.time_symbol_reference",
|
|
FT_UINT32, BASE_DEC, NULL, 0xFFC00000, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_timing_adjust,
|
|
{
|
|
"Timing Adjust", "wimax.rng_rsp.timing_adjust",
|
|
FT_FLOAT, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ul_channel_id,
|
|
{
|
|
"Uplink Channel ID", "wimax.rng_rsp.ul_chan_id",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_rng_rsp_ul_chan_id_override,
|
|
{
|
|
"Uplink channel ID Override", "wimax.rng_rsp.ul_chan_id_override",
|
|
FT_UINT8, BASE_DEC, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_tlv_type,
|
|
{
|
|
"Unknown TLV Type", "wimax.rng_rsp.unknown_tlv_type",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00, "", HFILL
|
|
}
|
|
},
|
|
{
|
|
&hf_tlv_value,
|
|
{
|
|
"Value", "wimax.rng_rsp.tlv_value",
|
|
FT_BYTES, BASE_NONE, NULL, 0x00, "", HFILL
|
|
}
|
|
}
|
|
};
|
|
|
|
/* Register Wimax Mac Payload Protocol and Dissector */
|
|
void proto_register_mac_mgmt_msg_rng_rsp(void)
|
|
{
|
|
if (proto_mac_mgmt_msg_rng_rsp_decoder == -1)
|
|
{
|
|
proto_mac_mgmt_msg_rng_rsp_decoder = proto_mac_mgmt_msg_rng_req_decoder;
|
|
|
|
proto_register_field_array(proto_mac_mgmt_msg_rng_rsp_decoder, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
}
|
|
|
|
/* Decode RNG-RSP messages. */
|
|
void dissect_mac_mgmt_msg_rng_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
proto_item *ranging_status_item = NULL;
|
|
proto_item *dl_freq_override_item = NULL;
|
|
proto_item *ss_mac_address_item = NULL;
|
|
proto_item *frame_number_item = NULL;
|
|
proto_item *opportunity_number_item = NULL;
|
|
|
|
guint offset = 0;
|
|
guint tlv_offset;
|
|
guint tvb_len, payload_type;
|
|
proto_item *rng_rsp_item = NULL;
|
|
proto_item *tlv_item = NULL;
|
|
proto_tree *rng_rsp_tree = NULL;
|
|
proto_tree *sub_tree = NULL;
|
|
proto_tree *tlv_tree = NULL;
|
|
tlv_info_t tlv_info;
|
|
gint tlv_type;
|
|
guint tlv_len;
|
|
guint this_offset = 0;
|
|
tlv_info_t sub_tlv_info;
|
|
gint sub_tlv_type;
|
|
gint sub_tlv_len;
|
|
guint sub_tlv_offset;
|
|
float timing_adjust;
|
|
float power_level_adjust;
|
|
gint offset_freq_adjust;
|
|
|
|
/* Ensure the right payload type */
|
|
payload_type = tvb_get_guint8(tvb, offset);
|
|
if(payload_type != MAC_MGMT_MSG_RNG_RSP)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (tree)
|
|
{ /* we are being asked for details */
|
|
|
|
/* Get the tvb reported length */
|
|
tvb_len = tvb_reported_length(tvb);
|
|
/* display MAC payload type RNG-RSP */
|
|
rng_rsp_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tvb_len, "MAC Management Message, RNG-RSP (5)");
|
|
/* add MAC RNG-RSP subtree */
|
|
rng_rsp_tree = proto_item_add_subtree(rng_rsp_item, ett_mac_mgmt_msg_rng_rsp_decoder);
|
|
/* display the Message Type */
|
|
proto_tree_add_item(rng_rsp_tree, hf_rng_rsp_message_type, tvb, offset, 1, FALSE);
|
|
proto_tree_add_item(rng_rsp_tree, hf_rng_req_reserved, tvb, 1, 1, FALSE);
|
|
offset += 2;
|
|
|
|
while(offset < tvb_len)
|
|
{
|
|
/* Get the TLV data. */
|
|
init_tlv_info(&tlv_info, tvb, offset);
|
|
/* get the TLV type */
|
|
tlv_type = get_tlv_type(&tlv_info);
|
|
/* get the TLV length */
|
|
tlv_len = get_tlv_length(&tlv_info);
|
|
if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
|
|
{ /* invalid tlv info */
|
|
if(pinfo->cinfo)
|
|
{
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error");
|
|
}
|
|
proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE);
|
|
break;
|
|
}
|
|
/* get the offset to the TLV data */
|
|
tlv_offset = offset + get_tlv_value_offset(&tlv_info);
|
|
|
|
switch (tlv_type) {
|
|
case RNG_RSP_TIMING_ADJUST: {
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Timing Adjust (%u byte(s))", tlv_len);
|
|
timing_adjust = (float)(gint32)tvb_get_ntohl(tvb, tlv_offset) / 4;
|
|
tlv_item = proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_timing_adjust, tvb,
|
|
tlv_offset, 4, timing_adjust, " %.2f modulation symbols", timing_adjust);
|
|
if ((timing_adjust < -2) || (timing_adjust > 2))
|
|
proto_item_append_text(tlv_item, " (during periodic ranging shall not exceed +- 2)");
|
|
break;
|
|
}
|
|
case RNG_RSP_POWER_LEVEL_ADJUST: {
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Power Level Adjust (%u byte(s))", tlv_len);
|
|
power_level_adjust = (float)(gint8)tvb_get_guint8(tvb, tlv_offset) / 4;
|
|
proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_power_level_adjust, tvb, tlv_offset, 1,
|
|
power_level_adjust, " %.2f dB", power_level_adjust);
|
|
break;
|
|
}
|
|
case RNG_RSP_OFFSET_FREQ_ADJUST: {
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Offset Frequency Adjust (%u byte(s))", tlv_len);
|
|
offset_freq_adjust = tvb_get_ntohl(tvb, tlv_offset);
|
|
proto_tree_add_int_format_value(sub_tree, hf_rng_rsp_offset_freq_adjust, tvb, tlv_offset, 4,
|
|
offset_freq_adjust, " %d Hz", offset_freq_adjust);
|
|
break;
|
|
}
|
|
case RNG_RSP_RANGING_STATUS:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ranging_status, tvb, tlv_offset, 1, FALSE);
|
|
ranging_status_item = proto_tree_add_item(sub_tree, hf_rng_rsp_ranging_status, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_DL_FREQ_OVERRIDE: {
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_freq_override, tvb, tlv_offset, 4, FALSE);
|
|
dl_freq_override_item = proto_tree_add_item(sub_tree, hf_rng_rsp_dl_freq_override, tvb, tlv_offset, 4, FALSE);
|
|
proto_item_append_text(dl_freq_override_item, " kHz");
|
|
break;
|
|
}
|
|
case RNG_RSP_UL_CHANNEL_ID_OVERRIDE:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ul_chan_id_override, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ul_chan_id_override, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_DL_OPERATIONAL_BURST_PROFILE:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_operational_burst_profile, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_diuc, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_ccc, tvb, tlv_offset, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_SS_MAC_ADDRESS:
|
|
if (tlv_len == 6)
|
|
{
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE);
|
|
ss_mac_address_item = proto_tree_add_item(sub_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE);
|
|
} else {
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_invalid_tlv, tvb, tlv_offset, tlv_len, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ss_mac_address, tvb, tlv_offset, 6, FALSE);
|
|
}
|
|
break;
|
|
case RNG_RSP_BASIC_CID:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_basic_cid, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_basic_cid, tvb, tlv_offset, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_PRIMARY_MGMT_CID:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_primary_mgmt_cid, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_primary_mgmt_cid, tvb, tlv_offset, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_AAS_BROADCAST_PERMISSION:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_broadcast, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_broadcast, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_FRAME_NUMBER:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_frame_number, tvb, tlv_offset, 3, FALSE);
|
|
frame_number_item = proto_tree_add_item(sub_tree, hf_rng_rsp_frame_number, tvb, tlv_offset, 3, FALSE);
|
|
break;
|
|
case RNG_RSP_OPPORTUNITY_NUMBER:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_opportunity_number, tvb, tlv_offset, 1, FALSE);
|
|
opportunity_number_item = proto_tree_add_item(sub_tree, hf_rng_rsp_opportunity_number, tvb, tlv_offset, 1, FALSE);
|
|
if (tvb_get_ntohl(tvb, tlv_offset) == 0)
|
|
proto_item_append_text(opportunity_number_item, " (may not be 0!)");
|
|
break;
|
|
case RNG_RSP_SERVICE_LEVEL_PREDICTION:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_service_level_prediction, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_service_level_prediction, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_RESOURCE_RETAIN_FLAG:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_resource_retain_flag, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_resource_retain_flag, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_HO_PROCESS_OPTIMIZATION:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ho_process_optimization, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_0, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_1_2, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_3, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_4, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_5, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_6, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_7, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_8, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_9, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_10, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_11, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_12, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_13, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_14, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_15, tvb, tlv_offset, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_SBC_RSP_ENCODINGS:
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "SBC-RSP Encodings (%u byte(s))", tlv_len);
|
|
dissect_mac_mgmt_msg_sbc_rsp_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree);
|
|
break;
|
|
case RNG_RSP_REG_RSP_ENCODINGS:
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "REG-RSP Encodings (%u byte(s))", tlv_len);
|
|
dissect_mac_mgmt_msg_reg_rsp_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree);
|
|
break;
|
|
/* Implemented message encoding 33 (Table 367 in IEEE 802.16e-2007) */
|
|
case RNG_RSP_DL_OP_BURST_PROFILE_OFDMA:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_dl_op_burst_profile_ofdma, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_least_robust_diuc, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_repetition_coding_indication, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_config_change_count_of_dcd, tvb, tlv_offset, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_HO_ID:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ho_id, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ho_id, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_LOCATION_UPDATE_RESPONSE:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_location_update_response, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_location_update_response, tvb, tlv_offset, 1, FALSE);
|
|
break;
|
|
case RNG_RSP_PAGING_INFORMATION:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_paging_information, tvb, tlv_offset, 5, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_paging_cycle, tvb, tlv_offset, 2, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_paging_offset, tvb, tlv_offset+2, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_paging_group_id, tvb, tlv_offset+3, 2, FALSE);
|
|
break;
|
|
case RNG_RSP_POWER_SAVING_CLASS_PARAMETERS:
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Power Saving Class Parameters (%u byte(s))", tlv_len);
|
|
dissect_power_saving_class(sub_tree, tlv_type, tvb, tlv_len, pinfo, tlv_offset);
|
|
break;
|
|
case RNG_RSP_SA_CHALLENGE_TUPLE:
|
|
/* Display SA Challenge Tuple header */
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "SA Challenge Tuple (%u byte(s))", tlv_len);
|
|
/* add subtree */
|
|
/* Use a local copy of tlv_offset */
|
|
this_offset = tlv_offset;
|
|
while(this_offset < tlv_len) {
|
|
/* Get the sub TLV data. */
|
|
init_tlv_info(&sub_tlv_info, tvb, this_offset);
|
|
/* get the sub TLV type */
|
|
sub_tlv_type = get_tlv_type(&sub_tlv_info);
|
|
/* get the TLV length */
|
|
sub_tlv_len = get_tlv_length(&sub_tlv_info);
|
|
if(tlv_type == -1 || sub_tlv_len > MAX_TLV_LEN || sub_tlv_len < 1)
|
|
{ /* invalid tlv info */
|
|
if(pinfo->cinfo)
|
|
{
|
|
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error");
|
|
}
|
|
proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, tlv_offset, (tvb_len - offset), FALSE);
|
|
break;
|
|
}
|
|
/* get the offset to the sub TLV data */
|
|
sub_tlv_offset = this_offset + get_tlv_value_offset(&sub_tlv_info);
|
|
switch (sub_tlv_type) {
|
|
case RNG_RSP_SA_CHALLENGE_BS_RANDOM:
|
|
tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_rng_rsp_bs_random, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
proto_tree_add_item(tlv_tree, hf_rng_rsp_bs_random, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
break;
|
|
case RNG_RSP_SA_CHALLENGE_AKID:
|
|
tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_rng_rsp_akid, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
proto_tree_add_item(tlv_tree, hf_rng_rsp_akid, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
break;
|
|
default:
|
|
tlv_tree = add_tlv_subtree(&sub_tlv_info, ett_rng_rsp_message_tree, sub_tree, hf_tlv_type, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
proto_tree_add_item(tlv_tree, hf_tlv_type, tvb, sub_tlv_offset, sub_tlv_len, FALSE);
|
|
break;
|
|
}
|
|
this_offset = sub_tlv_len + sub_tlv_offset;
|
|
}
|
|
break;
|
|
case DSx_UPLINK_FLOW:
|
|
/* display Uplink Service Flow Encodings info */
|
|
/* add subtree */
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_rsp_decoder, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Uplink QOS Parameters (%u bytes)", tlv_len);
|
|
/* decode and display the DL Service Flow Encodings */
|
|
wimax_service_flow_encodings_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree);
|
|
break;
|
|
case DSx_DOWNLINK_FLOW:
|
|
/* display Downlink Service Flow Encodings info */
|
|
/* add subtree */
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_rng_rsp_decoder, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Downlink QOS Parameters (%u bytes)", tlv_len);
|
|
/* decode and display the DL Service Flow Encodings */
|
|
wimax_service_flow_encodings_decoder(tvb_new_subset(tvb, tlv_offset, tlv_len, tlv_len), pinfo, sub_tree);
|
|
break;
|
|
case RNG_RSP_RANGING_CODE_ATTRIBUTES:
|
|
/* case SHORT_HMAC_TUPLE: */
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_rng_rsp_ranging_subchan, tvb, tlv_offset, 4, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_time_symbol_reference, tvb, tlv_offset, 4, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_subchannel_reference, tvb, tlv_offset, 4, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_ranging_code_index, tvb, tlv_offset, 4, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_rng_rsp_frame_number2, tvb, tlv_offset, 4, FALSE);
|
|
break;
|
|
case SHORT_HMAC_TUPLE_COR2:
|
|
if (include_cor2_changes) {
|
|
sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, tlv_offset, tlv_len, "Short HMAC Tuple (%u byte(s))", tlv_len);
|
|
wimax_short_hmac_tuple_decoder(sub_tree, tvb, tlv_offset, tvb_len - offset);
|
|
} else {
|
|
/* Unknown TLV type */
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_tlv_type, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
sub_tree = add_tlv_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, hf_tlv_type, tvb, tlv_offset, 1, FALSE);
|
|
proto_tree_add_item(sub_tree, hf_tlv_type, tvb, tlv_offset, tlv_len, FALSE);
|
|
break;
|
|
|
|
}
|
|
offset = tlv_len + tlv_offset;
|
|
} /* end of TLV process while loop */
|
|
if (ranging_status_item && dl_freq_override_item)
|
|
proto_item_append_text(ranging_status_item, " (shall be set to 2 because Downlink Frequency Override is present)");
|
|
if (ss_mac_address_item && frame_number_item) {
|
|
proto_item_append_text(frame_number_item, " (mutually exclusive with SS MAC Address!)");
|
|
proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Frame Number!)");
|
|
}
|
|
if (ss_mac_address_item && opportunity_number_item) {
|
|
proto_item_append_text(opportunity_number_item, " (mutually exclusive with SS MAC Address!)");
|
|
proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Initial Ranging Opportunity Number!)");
|
|
}
|
|
if (!ranging_status_item)
|
|
proto_item_append_text(rng_rsp_tree, " (Ranging status is missing!)");
|
|
|
|
}
|
|
}
|
|
|