plugins/epan/wimax/msg_rng_rsp.c

   1 /* msg_rng_rsp.c
   2  * WiMax MAC Management RNG-RSP Message decoder
   3  *
   4  * Copyright (c) 2007 by Intel Corporation.
   5  *
   6  * Author: John R. Underwood <junderx@yahoo.com>
   7  *
   8  * Wireshark - Network traffic analyzer
   9  * By Gerald Combs <gerald@wireshark.org>
  10  * Copyright 1999 Gerald Combs
  11  *
  12  * SPDX-License-Identifier: GPL-2.0-or-later
  13  */
  14
  15 /* Include files */
  16
  17 #include "config.h"
  18
  19 #include <epan/packet.h>
  20 #include <epan/tfs.h>
  21
  22 #include <wsutil/array.h>
  23 #include "wimax_tlv.h"
  24 #include "wimax_mac.h"
  25 #include "wimax_utils.h"
  26 #include "wimax_prefs.h"
  27
  28 void proto_register_mac_mgmt_msg_rng_rsp(void);
  29 void proto_reg_handoff_mac_mgmt_msg_rng_rsp(void);
  30
  31 static dissector_handle_t rng_rsp_handle;
  32 static dissector_handle_t sbc_rsp_handle;
  33 static dissector_handle_t reg_rsp_handle;
  34
  35 static int proto_mac_mgmt_msg_rng_rsp_decoder;
  36 static int ett_mac_mgmt_msg_rng_rsp_decoder;
  37 static int ett_rng_rsp_message_tree;
  38
  39 /* RNG-RSP fields */
  40 static int hf_rng_req_reserved;
  41 /* static int hf_rng_rsp_ul_channel_id; */
  42 static int hf_rng_rsp_timing_adjust;
  43 static int hf_rng_rsp_power_level_adjust;
  44 static int hf_rng_rsp_offset_freq_adjust;
  45 static int hf_rng_rsp_ranging_status;
  46 static int hf_rng_rsp_dl_freq_override;
  47 static int hf_rng_rsp_ul_chan_id_override;
  48 static int hf_rng_rsp_dl_operational_burst_profile;
  49 static int hf_rng_rsp_dl_operational_burst_profile_diuc;
  50 static int hf_rng_rsp_dl_operational_burst_profile_ccc;
  51 static int hf_rng_rsp_ss_mac_address;
  52 static int hf_rng_rsp_basic_cid;
  53 static int hf_rng_rsp_primary_mgmt_cid;
  54 static int hf_rng_rsp_broadcast;
  55 static int hf_rng_rsp_frame_number;
  56 static int hf_rng_rsp_opportunity_number;
  57 static int hf_rng_rsp_service_level_prediction;
  58 static int hf_rng_rsp_resource_retain_flag;
  59 static int hf_rng_rsp_ho_process_optimization;
  60 static int hf_rng_rsp_ho_process_optimization_0;
  61 static int hf_rng_rsp_ho_process_optimization_1_2;
  62 static int hf_rng_rsp_ho_process_optimization_3;
  63 static int hf_rng_rsp_ho_process_optimization_4;
  64 static int hf_rng_rsp_ho_process_optimization_5;
  65 static int hf_rng_rsp_ho_process_optimization_6;
  66 static int hf_rng_rsp_ho_process_optimization_7;
  67 static int hf_rng_rsp_ho_process_optimization_8;
  68 static int hf_rng_rsp_ho_process_optimization_9;
  69 static int hf_rng_rsp_ho_process_optimization_10;
  70 static int hf_rng_rsp_ho_process_optimization_11;
  71 static int hf_rng_rsp_ho_process_optimization_12;
  72 static int hf_rng_rsp_ho_process_optimization_13;
  73 static int hf_rng_rsp_ho_process_optimization_14;
  74 static int hf_rng_rsp_ho_process_optimization_15;
  75 /* Added the following to help implement RNG-RSP message encoding 33 (Table 367 in IEEE 802.16e-2007) */
  76 static int hf_rng_rsp_dl_op_burst_profile_ofdma;
  77 static int hf_rng_rsp_least_robust_diuc;
  78 static int hf_rng_rsp_repetition_coding_indication;
  79 static int hf_rng_rsp_config_change_count_of_dcd;
  80 /* Added the following to help implement RNG-RSP message encoding 22 (Table 367 in IEEE 802.16e-2007) */
  81 static int hf_rng_rsp_ho_id;
  82 static int hf_rng_rsp_location_update_response;
  83 /* Added the following to help implement RNG-RSP message encoding 24 (Table 367 in IEEE 802.16e-2007) */
  84 static int hf_rng_rsp_paging_information;
  85 static int hf_rng_rsp_paging_cycle;
  86 static int hf_rng_rsp_paging_offset;
  87 static int hf_rng_rsp_paging_group_id;
  88 static int hf_rng_rsp_bs_random;
  89 static int hf_rng_rsp_akid;
  90 static int hf_rng_rsp_ranging_subchan;
  91 static int hf_rng_rsp_time_symbol_reference;
  92 static int hf_rng_rsp_subchannel_reference;
  93 static int hf_rng_rsp_ranging_code_index;
  94 static int hf_rng_rsp_frame_number2;
  95 static int hf_tlv_type;
  96 /* static int hf_tlv_value; */
  97 static int hf_rng_invalid_tlv;
  98
  99 /* STRING RESOURCES */
 100
 101 static const true_false_string tfs_rng_rsp_aas_broadcast = {
 102         "SS shall not issue contention-based Bandwidth Request",
 103         "SS may issue contention-based Bandwidth Request"
 104 };
 105
 106 static const true_false_string tfs_rng_rsp_resource_retain_flag = {
 107         "Retained by the BS",
 108         "Deleted by the BS"
 109 };
 110
 111 static const value_string vals_rng_rsp_ranging_status[] = {
 112         {1,             "continue"},
 113         {2,             "abort"},
 114         {3,             "success"},
 115         {4,             "rerange"},
 116         {0,             NULL}
 117 };
 118
 119 static const value_string vals_rng_rsp_level_of_service[] = {
 120         {0,             "No service possible for this MS"},
 121         {1,             "Some service is available for one or"
 122                         " several service flows authorized for the MS"},
 123         {2,             "For each authorized service flow, a MAC"
 124                         " connection can be established with QoS"
 125                         " specified by the AuthorizedQoSParamSet"},
 126         {3,             "No service level prediction available"},
 127         {0,             NULL}
 128 };
 129
 130 static const value_string vals_rng_rsp_ho_process_optimization_0[] = {
 131         {0,             "SBC-REQ management messages during current re-entry"
 132                         " processing required"},
 133         {1,             "Omit SBC-REQ management messages during current"
 134                         " re-entry processing"},
 135         {0,             NULL},
 136 };
 137
 138 static const value_string vals_rng_rsp_ho_process_optimization_1_2[] = {
 139         {0,             "Perform re-authentication and SA-TEK 3-way handshake."
 140                         " BS should include SA-TEK-Update TLV in the"
 141                         " SA-TEK-Response message. In addition, the RNG-RSP"
 142                         " message does not include SA-TEK-Update TLV or SA"
 143                         " Challenge Tuple TLV."},
 144         {1,             "SA-TEK-Update TLV is included in the RNG-RSP message."
 145                         " In this case, SA-TEK 3-way handshake is avoided and"
 146                         " SA Challenge Tuple TLV shall not be included in the"
 147                         " RNG-RSP message."},
 148         {2,             "Reserved"},
 149         {3,             "Re-authentication and SA-TEK 3-way handshake is not"
 150                         " performed. The RNG-RSP message does not include"
 151                         " SA-TEK-Update TLV nor SA Challenge Tuple TLV. All the"
 152                         " TEKs received from the serving BS are reused"},
 153         {0,             NULL}
 154 };
 155
 156 static const value_string vals_rng_rsp_ho_process_optimization_3[] = {
 157         {0,             "Network Address Acquisition management messages during"
 158                         " current reentry processing required"},
 159         {1,             "Omit Network Address Acquisition management messages"
 160                         " during current reentry processing"},
 161         {0,             NULL}
 162 };
 163
 164 static const value_string vals_rng_rsp_ho_process_optimization_4[] = {
 165         {0,             "Time of Day Acquisition management messages during"
 166                         " current reentry processing required"},
 167         {1,             "Omit Time of Day Acquisition management messages"
 168                         " during current reentry processing"},
 169         {0,             NULL}
 170 };
 171
 172 static const value_string vals_rng_rsp_ho_process_optimization_5[] = {
 173         {0,             "TFTP management messages during current re-entry"
 174                         " processing required"},
 175         {1,             "Omit TFTP management messages during current re-entry"
 176                         " processing"},
 177         {0,             NULL}
 178 };
 179
 180 static const value_string vals_rng_rsp_ho_process_optimization_6[] = {
 181         {0,             "Full service and operational state transfer or sharing"
 182                         " between Serving BS and Target BS required"},
 183         {1,             "Omit Full service and operational state transfer or"
 184                         " sharing between Serving BS and Target BS"},
 185         {0,             NULL}
 186 };
 187
 188 static const value_string vals_rng_rsp_ho_process_optimization_7[] = {
 189         {0,             "REG-REQ management message during current re-entry"
 190                         " processing required"},
 191         {1,             "Omit REG-REQ management message during current re-entry"
 192                         " processing"},
 193         {0,             NULL}
 194 };
 195
 196 static const value_string vals_rng_rsp_ho_process_optimization_8[] = {
 197         {0,             "BS shall send not send an unsolicited SBC-RSP"
 198                         " management message"},
 199         {1,             "BS shall send an unsolicited SBC-RSP management message"},
 200         {0,             NULL}
 201 };
 202
 203 static const value_string vals_rng_rsp_ho_process_optimization_9[] = {
 204         {0,             "No post-HO re-entry MS DL data pending at target BS"},
 205         {1,             "post-HO re-entry MS DL data pending at target BS"},
 206         {0,             NULL}
 207 };
 208
 209 static const value_string vals_rng_rsp_ho_process_optimization_10[] = {
 210         {0,             "BS shall not send an unsolicited REG-RSP management"
 211                         " message"},
 212         {1,             "BS shall send an unsolicited REG-RSP management message"},
 213         {0,             NULL}
 214 };
 215
 216 static const value_string vals_rng_rsp_ho_process_optimization_11[] = {
 217         {0,             "(Target) BS does not support virtual SDU SN"},
 218         {1,             "(Target} BS supports virtual SDU SN"},
 219         {0,             NULL}
 220 };
 221
 222 static const value_string vals_rng_rsp_ho_process_optimization_12[] = {
 223         {0,             "MS shall not send a notification of MS's successful"
 224                         " re-entry registration"},
 225         {1,             "MS shall send a notification of MS's successful"
 226                         " re-entry registration"},
 227         {0,             NULL}
 228 };
 229
 230 static const value_string vals_rng_rsp_ho_process_optimization_13[] = {
 231         {0,             "MS shall not trigger a higher layer protocol required"
 232                         " to refresh its traffic IP address"},
 233         {1,             "MS shall trigger a higher layer protocol required to"
 234                         " refresh its traffic IP address"},
 235         {0,             NULL}
 236 };
 237
 238 static const value_string vals_rng_rsp_repetition_coding_indication[] = {
 239         {0,             "No repetition coding"},
 240         {1,             "Repetition coding of 2"},
 241         {2,             "Repetition coding of 4"},
 242         {3,             "Repetition coding of 6"},
 243         {0,             NULL}
 244 };
 245
 246 static const value_string vals_rng_rsp_location_update_response[] = {
 247         {0,             "Success of Location Update"},
 248         {1,             "Failure of Location Update"},
 249         {3,             "Success of location update and DL traffic pending"},
 250         {4,             "Reserved"},
 251         {0,             NULL}
 252 };
 253
 254
 255 /* Decode RNG-RSP messages. */
 256 static int dissect_mac_mgmt_msg_rng_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
 257 {
 258         proto_item *ranging_status_item = NULL;
 259         proto_item *dl_freq_override_item = NULL;
 260         proto_item *ss_mac_address_item = NULL;
 261         proto_item *frame_number_item = NULL;
 262         proto_item *opportunity_number_item = NULL;
 263
 264         unsigned offset = 0;
 265         unsigned tlv_offset;
 266         unsigned tvb_len;
 267         proto_item *rng_rsp_item, *sub_item;
 268         proto_item *tlv_item = NULL;
 269         proto_tree *rng_rsp_tree;
 270         proto_tree *sub_tree = NULL;
 271         tlv_info_t tlv_info;
 272         int tlv_type;
 273         unsigned tlv_len;
 274         unsigned this_offset = 0;
 275         tlv_info_t sub_tlv_info;
 276         int sub_tlv_type;
 277         int sub_tlv_len;
 278         unsigned sub_tlv_offset;
 279         float timing_adjust;
 280         float power_level_adjust;
 281
 282         {       /* we are being asked for details */
 283
 284                 /* Get the tvb reported length */
 285                 tvb_len =  tvb_reported_length(tvb);
 286                 /* display MAC payload type RNG-RSP */
 287                 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");
 288                 /* add MAC RNG-RSP subtree */
 289                 rng_rsp_tree = proto_item_add_subtree(rng_rsp_item, ett_mac_mgmt_msg_rng_rsp_decoder);
 290
 291                 proto_tree_add_item(rng_rsp_tree, hf_rng_req_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
 292                 offset += 1;
 293
 294                 while(offset < tvb_len)
 295                 {
 296                         /* Get the TLV data. */
 297                         init_tlv_info(&tlv_info, tvb, offset);
 298                         /* get the TLV type */
 299                         tlv_type = get_tlv_type(&tlv_info);
 300                         /* get the TLV length */
 301                         tlv_len = get_tlv_length(&tlv_info);
 302                         if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
 303                         {       /* invalid tlv info */
 304                                 col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error");
 305                                 proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, offset, (tvb_len - offset), ENC_NA);
 306                                 break;
 307                         }
 308                         /* get the offset to the TLV data */
 309                         tlv_offset = offset + get_tlv_value_offset(&tlv_info);
 310
 311                         switch (tlv_type) {
 312                                 case RNG_RSP_TIMING_ADJUST: {
 313                                         sub_tree = add_tlv_subtree_no_item(&tlv_info, rng_rsp_tree, hf_rng_rsp_timing_adjust, tvb, offset);
 314                                         timing_adjust = (float)(tvb_get_ntohl(tvb, tlv_offset) / 4.0);
 315                                         tlv_item = proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_timing_adjust, tvb,
 316                                                 tlv_offset, 4, timing_adjust, " %.2f modulation symbols", timing_adjust);
 317                                         if ((timing_adjust < -2) || (timing_adjust > 2))
 318                                                 proto_item_append_text(tlv_item, " (during periodic ranging shall not exceed +- 2)");
 319                                         break;
 320                                 }
 321                                 case RNG_RSP_POWER_LEVEL_ADJUST: {
 322                                         sub_tree = add_tlv_subtree_no_item(&tlv_info, rng_rsp_tree, hf_rng_rsp_power_level_adjust, tvb, offset);
 323                                         power_level_adjust = (float)(tvb_get_uint8(tvb, tlv_offset) / 4.0);
 324                                         proto_tree_add_float_format_value(sub_tree, hf_rng_rsp_power_level_adjust, tvb, tlv_offset, 1,
 325                                                                 power_level_adjust, " %.2f dB", power_level_adjust);
 326                                         break;
 327                                 }
 328                                 case RNG_RSP_OFFSET_FREQ_ADJUST: {
 329                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_offset_freq_adjust, tvb, offset, ENC_BIG_ENDIAN);
 330                                         break;
 331                                 }
 332                                 case RNG_RSP_RANGING_STATUS:
 333                                         ranging_status_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ranging_status, tvb, offset, ENC_BIG_ENDIAN);
 334                                         break;
 335                                 case RNG_RSP_DL_FREQ_OVERRIDE: {
 336                                         dl_freq_override_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_dl_freq_override, tvb, offset, ENC_BIG_ENDIAN);
 337                                         break;
 338                                 }
 339                                 case RNG_RSP_UL_CHANNEL_ID_OVERRIDE:
 340                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ul_chan_id_override, tvb, offset, ENC_BIG_ENDIAN);
 341                                         break;
 342                                 case RNG_RSP_DL_OPERATIONAL_BURST_PROFILE:
 343                                         sub_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_dl_operational_burst_profile, tvb, offset, ENC_BIG_ENDIAN);
 344                                         sub_tree = proto_item_add_subtree(sub_item, ett_rng_rsp_message_tree);
 345                                         proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_diuc, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 346                                         proto_tree_add_item(sub_tree, hf_rng_rsp_dl_operational_burst_profile_ccc, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 347                                         break;
 348                                 case RNG_RSP_SS_MAC_ADDRESS:
 349                                         if (tlv_len == 6)
 350                                         {
 351                                                 ss_mac_address_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ss_mac_address, tvb, offset, ENC_NA);
 352                                         } else {
 353                                                 add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_invalid_tlv, tvb, offset, ENC_NA);
 354                                         }
 355                                         break;
 356                                 case RNG_RSP_BASIC_CID:
 357                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_basic_cid, tvb, offset, ENC_BIG_ENDIAN);
 358                                         break;
 359                                 case RNG_RSP_PRIMARY_MGMT_CID:
 360                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_primary_mgmt_cid, tvb, offset, ENC_BIG_ENDIAN);
 361                                         break;
 362                                 case RNG_RSP_AAS_BROADCAST_PERMISSION:
 363                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_broadcast, tvb, offset, ENC_BIG_ENDIAN);
 364                                         break;
 365                                 case RNG_RSP_FRAME_NUMBER:
 366                                         frame_number_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_frame_number, tvb, offset, ENC_BIG_ENDIAN);
 367                                         break;
 368                                 case RNG_RSP_OPPORTUNITY_NUMBER:
 369                                         opportunity_number_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_opportunity_number, tvb, offset, ENC_BIG_ENDIAN);
 370                                         if (tvb_get_ntohl(tvb, tlv_offset) == 0)
 371                                                 proto_item_append_text(opportunity_number_item, " (may not be 0!)");
 372                                         break;
 373                                 case RNG_RSP_SERVICE_LEVEL_PREDICTION:
 374                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_service_level_prediction, tvb, offset, ENC_BIG_ENDIAN);
 375                                         break;
 376                                 case RNG_RSP_RESOURCE_RETAIN_FLAG:
 377                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_resource_retain_flag, tvb, offset, ENC_BIG_ENDIAN);
 378                                         break;
 379                                 case RNG_RSP_HO_PROCESS_OPTIMIZATION:
 380                                         sub_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ho_process_optimization, tvb, offset, ENC_BIG_ENDIAN);
 381                                         sub_tree = proto_item_add_subtree(sub_item, ett_rng_rsp_message_tree);
 382                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_0, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 383                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_1_2, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 384                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_3, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 385                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_4, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 386                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_5, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 387                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_6, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 388                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_7, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 389                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_8, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 390                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_9, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 391                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_10, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 392                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_11, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 393                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_12, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 394                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_13, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 395                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_14, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 396                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ho_process_optimization_15, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 397                                         break;
 398                                 case RNG_RSP_SBC_RSP_ENCODINGS:
 399                                         sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tlv_len, "SBC-RSP Encodings");
 400                                         call_dissector(sbc_rsp_handle, tvb_new_subset_length(tvb, tlv_offset, tlv_len), pinfo, sub_tree);
 401                                         break;
 402                                 case RNG_RSP_REG_RSP_ENCODINGS:
 403                                         sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tlv_len, "REG-RSP Encodings");
 404                                         call_dissector(reg_rsp_handle, tvb_new_subset_length(tvb, tlv_offset, tlv_len), pinfo, sub_tree);
 405                                         break;
 406                                 /* Implemented message encoding 33 (Table 367 in IEEE 802.16e-2007) */
 407                                 case RNG_RSP_DL_OP_BURST_PROFILE_OFDMA:
 408                                         sub_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_dl_op_burst_profile_ofdma, tvb, offset, ENC_BIG_ENDIAN);
 409                                         sub_tree = proto_item_add_subtree(sub_item, ett_rng_rsp_message_tree);
 410                                         proto_tree_add_item(sub_tree, hf_rng_rsp_least_robust_diuc, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 411                                         proto_tree_add_item(sub_tree, hf_rng_rsp_repetition_coding_indication, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 412                                         proto_tree_add_item(sub_tree, hf_rng_rsp_config_change_count_of_dcd, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 413                                         break;
 414                                 case RNG_RSP_HO_ID:
 415                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ho_id, tvb, offset, ENC_BIG_ENDIAN);
 416                                         break;
 417                                 case RNG_RSP_LOCATION_UPDATE_RESPONSE:
 418                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_location_update_response, tvb, offset, ENC_BIG_ENDIAN);
 419                                         break;
 420                                 case RNG_RSP_PAGING_INFORMATION:
 421                                         sub_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_paging_information, tvb, offset, ENC_NA);
 422                                         sub_tree = proto_item_add_subtree(sub_item, ett_rng_rsp_message_tree);
 423                                         proto_tree_add_item(sub_tree, hf_rng_rsp_paging_cycle, tvb, tlv_offset, 2, ENC_BIG_ENDIAN);
 424                                         proto_tree_add_item(sub_tree, hf_rng_rsp_paging_offset, tvb, tlv_offset+2, 1, ENC_BIG_ENDIAN);
 425                                         proto_tree_add_item(sub_tree, hf_rng_rsp_paging_group_id, tvb, tlv_offset+3, 2, ENC_BIG_ENDIAN);
 426                                         break;
 427                                 case RNG_RSP_POWER_SAVING_CLASS_PARAMETERS:
 428                                         sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tlv_len, "Power Saving Class Parameters");
 429                                         dissect_power_saving_class(sub_tree, tlv_type, tvb, tlv_len, pinfo, tlv_offset);
 430                                         break;
 431                                 case RNG_RSP_SA_CHALLENGE_TUPLE:
 432                                         /* Display SA Challenge Tuple header */
 433                                         sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tlv_len, "SA Challenge Tuple");
 434                                         /* add subtree */
 435                                         /* Use a local copy of tlv_offset */
 436                                         this_offset = tlv_offset;
 437                                         while(this_offset < tlv_len) {
 438                                                 /* Get the sub TLV data. */
 439                                                 init_tlv_info(&sub_tlv_info, tvb, this_offset);
 440                                                 /* get the sub TLV type */
 441                                                 sub_tlv_type = get_tlv_type(&sub_tlv_info);
 442                                                 /* get the TLV length */
 443                                                 sub_tlv_len = get_tlv_length(&sub_tlv_info);
 444                                                 if(tlv_type == -1 || sub_tlv_len > MAX_TLV_LEN || sub_tlv_len < 1)
 445                                                 {       /* invalid tlv info */
 446                                                         col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "RNG-RSP TLV error");
 447                                                         proto_tree_add_item(rng_rsp_tree, hf_rng_invalid_tlv, tvb, tlv_offset, (tvb_len - tlv_offset), ENC_NA);
 448                                                         break;
 449                                                 }
 450                                                 /* get the offset to the sub TLV data */
 451                                                 sub_tlv_offset = this_offset + get_tlv_value_offset(&sub_tlv_info);
 452                                                 switch (sub_tlv_type) {
 453                                                         case RNG_RSP_SA_CHALLENGE_BS_RANDOM:
 454                                                                 add_tlv_subtree(&sub_tlv_info, sub_tree, hf_rng_rsp_bs_random, tvb, this_offset, ENC_NA);
 455                                                                 break;
 456                                                         case RNG_RSP_SA_CHALLENGE_AKID:
 457                                                                 add_tlv_subtree(&sub_tlv_info, sub_tree, hf_rng_rsp_akid, tvb, this_offset, ENC_NA);
 458                                                                 break;
 459                                                         default:
 460                                                                 add_tlv_subtree(&sub_tlv_info, sub_tree, hf_tlv_type, tvb, this_offset, ENC_NA);
 461                                                                 break;
 462                                                 }
 463                                                 this_offset = sub_tlv_len + sub_tlv_offset;
 464                                         }
 465                                         break;
 466                                 case DSx_UPLINK_FLOW:
 467                                         /* display Uplink Service Flow Encodings info */
 468                                         /* add subtree */
 469                                         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, offset, tlv_len, "Uplink QOS Parameters");
 470                                         /* decode and display the DL Service Flow Encodings */
 471                                         wimax_service_flow_encodings_decoder(tvb_new_subset_length(tvb, tlv_offset, tlv_len), pinfo, sub_tree);
 472                                         break;
 473                                 case DSx_DOWNLINK_FLOW:
 474                                         /* display Downlink Service Flow Encodings info */
 475                                         /* add subtree */
 476                                         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, offset, tlv_len, "Downlink QOS Parameters");
 477                                         /* decode and display the DL Service Flow Encodings */
 478                                         wimax_service_flow_encodings_decoder(tvb_new_subset_length(tvb, tlv_offset, tlv_len), pinfo, sub_tree);
 479                                         break;
 480                                 case RNG_RSP_RANGING_CODE_ATTRIBUTES:
 481                                 /* case SHORT_HMAC_TUPLE: */
 482                                         sub_item = add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_rng_rsp_ranging_subchan, tvb, offset, ENC_BIG_ENDIAN);
 483                                         sub_tree = proto_item_add_subtree(sub_item, ett_rng_rsp_message_tree);
 484                                         proto_tree_add_item(sub_tree, hf_rng_rsp_time_symbol_reference, tvb, tlv_offset, 4, ENC_BIG_ENDIAN);
 485                                         proto_tree_add_item(sub_tree, hf_rng_rsp_subchannel_reference, tvb, tlv_offset, 4, ENC_BIG_ENDIAN);
 486                                         proto_tree_add_item(sub_tree, hf_rng_rsp_ranging_code_index, tvb, tlv_offset, 4, ENC_BIG_ENDIAN);
 487                                         proto_tree_add_item(sub_tree, hf_rng_rsp_frame_number2, tvb, tlv_offset, 4, ENC_BIG_ENDIAN);
 488                                         break;
 489                                 case SHORT_HMAC_TUPLE_COR2:
 490                                         if (include_cor2_changes) {
 491                                                 sub_tree = add_protocol_subtree(&tlv_info, ett_rng_rsp_message_tree, rng_rsp_tree, proto_mac_mgmt_msg_rng_rsp_decoder, tvb, offset, tlv_len, "Short HMAC Tuple");
 492                                                 wimax_short_hmac_tuple_decoder(sub_tree, tvb, tlv_offset, tvb_len - offset);
 493                                         } else {
 494                                                 /* Unknown TLV type */
 495                                                 add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_tlv_type, tvb, offset, ENC_NA);
 496                                         }
 497                                         break;
 498
 499                                 default:
 500                                         add_tlv_subtree(&tlv_info, rng_rsp_tree, hf_tlv_type, tvb, offset, ENC_NA);
 501                                         break;
 502
 503                         }
 504                         offset = tlv_len + tlv_offset;
 505                 }       /* end of TLV process while loop */
 506                 /*
 507                  * XXX - these should probably be expert info items.
 508                  */
 509                 if (ranging_status_item && dl_freq_override_item)
 510                         proto_item_append_text(ranging_status_item, " (shall be set to 2 because Downlink Frequency Override is present)");
 511                 if (ss_mac_address_item && frame_number_item) {
 512                         proto_item_append_text(frame_number_item, " (mutually exclusive with SS MAC Address!)");
 513                         proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Frame Number!)");
 514                 }
 515                 if (ss_mac_address_item && opportunity_number_item) {
 516                         proto_item_append_text(opportunity_number_item, " (mutually exclusive with SS MAC Address!)");
 517                         proto_item_append_text(ss_mac_address_item, " (mutually exclusive with Initial Ranging Opportunity Number!)");
 518                 }
 519                 if (!ranging_status_item)
 520                         proto_item_append_text(rng_rsp_tree, " (Ranging status is missing!)");
 521
 522         }
 523         return tvb_captured_length(tvb);
 524 }
 525
 526
 527 /* Register Wimax Mac Payload Protocol and Dissector */
 528 void proto_register_mac_mgmt_msg_rng_rsp(void)
 529 {
 530         /* RNG-RSP fields display */
 531         static hf_register_info hf[] =
 532         {
 533                 {
 534                         &hf_rng_rsp_broadcast,
 535                         {
 536                                 "AAS broadcast permission", "wmx.rng_rsp.aas_broadcast",
 537                                 FT_BOOLEAN, BASE_NONE, TFS(&tfs_rng_rsp_aas_broadcast), 0x0, NULL, HFILL
 538                         }
 539                 },
 540                 {
 541                         &hf_rng_rsp_akid,
 542                         {
 543                                 "AKId", "wmx.rng_rsp.akid",
 544                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 545                         }
 546                 },
 547                 {
 548                         &hf_rng_rsp_basic_cid,
 549                         {
 550                                 "Basic CID", "wmx.rng_rsp.basic_cid",
 551                                 FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL
 552                         }
 553                 },
 554                 {
 555                         &hf_rng_rsp_bs_random,
 556                         {
 557                                 "BS_Random", "wmx.rng_rsp.bs_random",
 558                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 559                         }
 560                 },
 561                 {
 562                         &hf_rng_rsp_config_change_count_of_dcd,
 563                         {
 564                                 "Configuration Change Count value of DCD defining DIUC associated burst profile", "wmx.rng_rsp.config_change_count_of_dcd",
 565                                 FT_UINT16, BASE_HEX, NULL, 0xFF00, NULL, HFILL
 566                         }
 567                 },
 568                 {
 569                         &hf_rng_rsp_dl_freq_override,
 570                         {
 571                                 "Downlink Frequency Override", "wmx.rng_rsp.dl_freq_override",
 572                                 FT_UINT32, BASE_DEC|BASE_UNIT_STRING, UNS(&wimax_units_hz), 0x00, NULL, HFILL
 573                         }
 574                 },
 575                 {
 576                         &hf_rng_rsp_dl_operational_burst_profile_ccc,
 577                         {
 578                                 "CCC value of DCD defining the burst profile associated with DIUC", "wmx.rng_rsp.dl_op_burst_prof.ccc",
 579                                 FT_UINT16, BASE_DEC, NULL, 0x00FF, NULL, HFILL
 580                         }
 581                 },
 582                 {
 583                         &hf_rng_rsp_dl_operational_burst_profile_diuc,
 584                         {
 585                                 "The least robust DIUC that may be used by the BS for transmissions to the SS", "wmx.rng_rsp.dl_op_burst_prof.diuc",
 586                                 FT_UINT16, BASE_DEC, NULL, 0xFF00, NULL, HFILL
 587                         }
 588                 },
 589                 {
 590                         &hf_rng_rsp_dl_operational_burst_profile,
 591                         {
 592                                 "Downlink Operational Burst Profile", "wmx.rng_rsp.dl_op_burst_profile",
 593                                 FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL
 594                         }
 595                 },
 596                 /* Added the following to help implement RNG-RSP message encoding 33 (Table 367 in IEEE 802.16e-2007) */
 597                 {
 598                         &hf_rng_rsp_dl_op_burst_profile_ofdma,
 599                         {
 600                                 "Downlink Operational Burst Profile for OFDMA", "wmx.rng_rsp.dl_op_burst_profile_ofdma",
 601                                 FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL
 602                         }
 603                 },
 604                 {
 605                         &hf_rng_rsp_frame_number2,
 606                         {
 607                                 "The 8 least significant bits of the frame number of the OFDMA frame where the SS sent the ranging code", "wmx.rng_rsp.eight_bit_frame_num",
 608                                 FT_UINT32, BASE_DEC, NULL, 0x000000FF, NULL, HFILL
 609                         }
 610                 },
 611                 {
 612                         &hf_rng_rsp_frame_number,
 613                         {
 614                                 "Frame number", "wmx.rng_rsp.frame_number",
 615                                 FT_UINT24, BASE_DEC, NULL, 0x00, NULL, HFILL
 616                         }
 617                 },
 618                 /* Added the following to help implement RNG-RSP message encoding 22 (IEEE 802.16e-2007) */
 619                 {
 620                         &hf_rng_rsp_ho_id,
 621                         {
 622                                 "HO ID", "wmx.rng_rsp.ho_id",
 623                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 624                         }
 625                 },
 626                 {
 627                         &hf_rng_rsp_ho_process_optimization,
 628                         {
 629                                 "HO Process Optimization", "wmx.rng_rsp.ho_process_optimization",
 630                                 FT_UINT16, BASE_HEX, NULL, 0x0000, NULL, HFILL
 631                         }
 632                 },
 633                 {
 634                         &hf_rng_rsp_ho_process_optimization_0,
 635                         {
 636                                 "Bit #0", "wmx.rng_rsp.ho_process_optimization.omit_sbc_req",
 637                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_0), 0x0001, NULL, HFILL
 638                         }
 639                 },
 640                 {
 641                         &hf_rng_rsp_ho_process_optimization_1_2,
 642                         {
 643                                 "Bits #1-2", "wmx.rng_rsp.ho_process_optimization.perform_reauthentication",
 644                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_1_2), 0x0006, NULL, HFILL
 645                         }
 646                 },
 647                 {
 648                         &hf_rng_rsp_ho_process_optimization_3,
 649                         {
 650                                 "Bit #3", "wmx.rng_rsp.ho_process_optimization.omit_network_address",
 651                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_3), 0x0008, NULL, HFILL
 652                         }
 653                 },
 654                 {
 655                         &hf_rng_rsp_ho_process_optimization_4,
 656                         {
 657                                 "Bit #4", "wmx.rng_rsp.ho_process_optimization.omit_time_of_day",
 658                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_4), 0x0010, NULL, HFILL
 659                         }
 660                 },
 661                 {
 662                         &hf_rng_rsp_ho_process_optimization_5,
 663                         {
 664                                 "Bit #5", "wmx.rng_rsp.ho_process_optimization.omit_tftp",
 665                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_5), 0x0020, NULL, HFILL
 666                         }
 667                 },
 668                 {
 669                         &hf_rng_rsp_ho_process_optimization_6,
 670                         {
 671                                 "Bit #6", "wmx.rng_rsp.ho_process_optimization.transfer_or_sharing",
 672                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_6), 0x0040, NULL, HFILL
 673                         }
 674                 },
 675                 {
 676                         &hf_rng_rsp_ho_process_optimization_7,
 677                         {
 678                                 "Bit #7", "wmx.rng_rsp.ho_process_optimization.omit_reg_req",
 679                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_7), 0x0080, NULL, HFILL
 680                         }
 681                 },
 682                 {
 683                         &hf_rng_rsp_ho_process_optimization_8,
 684                         {
 685                                 "Bit #8", "wmx.rng_rsp.ho_process_optimization.unsolicited_sbc_rsp",
 686                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_8), 0x0100, NULL, HFILL
 687                         }
 688                 },
 689                 {
 690                         &hf_rng_rsp_ho_process_optimization_9,
 691                         {
 692                                 "Bit #9", "wmx.rng_rsp.ho_process_optimization.post_ho_reentry",
 693                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_9), 0x0200, NULL, HFILL
 694                         }
 695                 },
 696                 {
 697                         &hf_rng_rsp_ho_process_optimization_10,
 698                         {
 699                                 "Bit #10", "wmx.rng_rsp.ho_process_optimization.unsolicited_reg_rsp",
 700                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_10), 0x0400, NULL, HFILL
 701                         }
 702                 },
 703                 {
 704                         &hf_rng_rsp_ho_process_optimization_11,
 705                         {
 706                                 "Bit #11", "wmx.rng_rsp.ho_process_optimization.virtual_sdu_sn",
 707                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_11), 0x0800, NULL, HFILL
 708                         }
 709                 },
 710                 {
 711                         &hf_rng_rsp_ho_process_optimization_12,
 712                         {
 713                                 "Bit #12", "wmx.rng_rsp.ho_process_optimization.send_notification",
 714                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_12), 0x1000, NULL, HFILL
 715                         }
 716                 },
 717                 {
 718                         &hf_rng_rsp_ho_process_optimization_13,
 719                         {
 720                                 "Bit #13", "wmx.rng_rsp.ho_process_optimization.trigger_higher_layer_protocol",
 721                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_ho_process_optimization_13), 0x2000, NULL, HFILL
 722                         }
 723                 },
 724                 {
 725                         &hf_rng_rsp_ho_process_optimization_14,
 726                         {
 727                                 "Bit #14: Reserved", "wmx.rng_rsp.ho_process_optimization.reserved",
 728                                 FT_UINT16, BASE_HEX, NULL, 0x4000, NULL, HFILL
 729                         }
 730                 },
 731                 {
 732                         &hf_rng_rsp_ho_process_optimization_15,
 733                         {
 734                                 "Bit #15: Reserved", "wmx.rng_rsp.ho_process_optimization.reserved",
 735                                 FT_UINT16, BASE_HEX, NULL, 0x8000, NULL, HFILL
 736                         }
 737                 },
 738                 {
 739                         &hf_rng_invalid_tlv,
 740                         {
 741                                 "Invalid TLV", "wmx.rng_rsp.invalid_tlv",
 742                                 FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL
 743                         }
 744                 },
 745                 {
 746                         &hf_rng_rsp_least_robust_diuc,
 747                         {
 748                                 "Least Robust DIUC that may be used by the BS for transmissions to the MS", "wmx.rng_rsp.least_robust_diuc",
 749                                 FT_UINT16, BASE_HEX, NULL, 0x000F, NULL, HFILL
 750                         }
 751                 },
 752                 {
 753                         &hf_rng_rsp_location_update_response,
 754                         {
 755                                 "Location Update Response", "wmx.rng_rsp.location_update_response",
 756                                 FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_location_update_response), 0xFF, NULL, HFILL
 757                         }
 758                 },
 759                 {
 760                         &hf_rng_rsp_offset_freq_adjust,
 761                         {
 762                                 "Offset Frequency Adjust", "wmx.rng_rsp.offset_freq_adjust",
 763                                 FT_INT32, BASE_DEC|BASE_UNIT_STRING, UNS(&wimax_units_hz), 0x00, NULL, HFILL
 764                         }
 765                 },
 766                 {
 767                         &hf_rng_rsp_opportunity_number,
 768                         {
 769                                 "Initial ranging opportunity number", "wmx.rng_rsp.opportunity_number",
 770                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 771                         }
 772                 },
 773                 {
 774                         &hf_rng_rsp_paging_cycle,
 775                         {
 776                                 "Paging Cycle", "wmx.rng_rsp.paging_cycle",
 777                                 FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL
 778                         }
 779                 },
 780                 {
 781                         &hf_rng_rsp_paging_group_id,
 782                         {
 783                                 "Paging Group ID", "wmx.rng_rsp.paging_group_id",
 784                                 FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL
 785                         }
 786                 },
 787                 {
 788                         &hf_rng_rsp_paging_information,
 789                         {
 790                                 "Paging Information", "wmx.rng_rsp.paging_information",
 791                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 792                         }
 793                 },
 794                 {
 795                         &hf_rng_rsp_paging_offset,
 796                         {
 797                                 "Paging Offset", "wmx.rng_rsp.paging_offset",
 798                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 799                         }
 800                 },
 801                 {
 802                         &hf_rng_rsp_power_level_adjust,
 803                         {
 804                                 "Power Level Adjust", "wmx.rng_rsp.power_level_adjust",
 805                                 FT_FLOAT, BASE_NONE, NULL, 0x00, NULL, HFILL
 806                         }
 807                 },
 808                 {
 809                         &hf_rng_rsp_primary_mgmt_cid,
 810                         {
 811                                 "Primary Management CID", "wmx.rng_rsp.primary_mgmt_cid",
 812                                 FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL
 813                         }
 814                 },
 815                 {
 816                         &hf_rng_rsp_ranging_code_index,
 817                         {
 818                                 "The ranging code index that was sent by the SS", "wmx.rng_rsp.ranging_code_index",
 819                                 FT_UINT32, BASE_DEC, NULL, 0x0000FF00, NULL, HFILL
 820                         }
 821                 },
 822                 {
 823                         &hf_rng_rsp_ranging_status,
 824                         {
 825                                 "Ranging status", "wmx.rng_rsp.ranging_status",
 826                                 FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_ranging_status), 0x00, NULL, HFILL
 827                         }
 828                 },
 829                 {
 830                         &hf_rng_rsp_ranging_subchan,
 831                         {
 832                                 "Ranging code attributes", "wmx.rng_rsp.ranging_subchannel",
 833                                 FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL
 834                         }
 835                 },
 836                 {
 837                         &hf_rng_rsp_repetition_coding_indication,
 838                         {
 839                                 "Repetition Coding Indication", "wmx.rng_rsp.repetition_coding_indication",
 840                                 FT_UINT16, BASE_HEX, VALS(vals_rng_rsp_repetition_coding_indication), 0x00F0, NULL, HFILL
 841                         }
 842                 },
 843                 {
 844                         &hf_rng_req_reserved,
 845                         {
 846                                 "Reserved", "wmx.rng_rsp.reserved",
 847                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
 848                         }
 849                 },
 850                 {
 851                         &hf_rng_rsp_resource_retain_flag,
 852                         {
 853                                 "The connection information for the MS is", "wmx.rng_rsp.resource_retain_flag",
 854                                 FT_BOOLEAN, BASE_NONE, TFS(&tfs_rng_rsp_resource_retain_flag), 0x0, NULL, HFILL
 855                         }
 856                 },
 857                 {
 858                         &hf_rng_rsp_service_level_prediction,
 859                         {
 860                                 "Service Level Prediction", "wmx.rng_rsp.service_level_prediction",
 861                                 FT_UINT8, BASE_DEC, VALS(vals_rng_rsp_level_of_service), 0x00, NULL, HFILL
 862                         }
 863                 },
 864                 {
 865                         &hf_rng_rsp_ss_mac_address,
 866                         {
 867                                 "SS MAC Address", "wmx.rng_rsp.ss_mac_address",
 868                                 FT_ETHER, BASE_NONE, NULL, 0x00, NULL, HFILL
 869                         }
 870                 },
 871                         {
 872                         &hf_rng_rsp_subchannel_reference,
 873                         {
 874                                 "OFDMA subchannel reference used to transmit the ranging code", "wmx.rng_rsp.subchannel_reference",
 875                                 FT_UINT32, BASE_DEC, NULL, 0x003f0000, NULL, HFILL
 876                         }
 877                 },
 878                         {
 879                         &hf_rng_rsp_time_symbol_reference,
 880                         {
 881                                 "OFDM time symbol reference used to transmit the ranging code", "wmx.rng_rsp.time_symbol_reference",
 882                                 FT_UINT32, BASE_DEC, NULL, 0xFFC00000, NULL, HFILL
 883                         }
 884                 },
 885                 {
 886                         &hf_rng_rsp_timing_adjust,
 887                         {
 888                                 "Timing Adjust", "wmx.rng_rsp.timing_adjust",
 889                                 FT_FLOAT, BASE_NONE, NULL, 0x00, NULL, HFILL
 890                         }
 891                 },
 892 #if 0
 893                 {
 894                         &hf_rng_rsp_ul_channel_id,
 895                         {
 896                                 "Uplink Channel ID", "wmx.rng_rsp.ul_chan_id",
 897                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 898                         }
 899                 },
 900 #endif
 901                 {
 902                         &hf_rng_rsp_ul_chan_id_override,
 903                         {
 904                                 "Uplink channel ID Override", "wmx.rng_rsp.ul_chan_id_override",
 905                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 906                         }
 907                 },
 908                 {
 909                         &hf_tlv_type,
 910                         {
 911                                 "Unknown TLV Type", "wmx.rng_rsp.unknown_tlv_type",
 912                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 913                         }
 914                 },
 915 #if 0
 916                 {
 917                         &hf_tlv_value,
 918                         {
 919                                 "Value", "wmx.rng_rsp.tlv_value",
 920                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 921                         }
 922                 }
 923 #endif
 924         };
 925
 926         /* Setup protocol subtree array */
 927         static int *ett[] =
 928                 {
 929                         &ett_mac_mgmt_msg_rng_rsp_decoder,
 930                         &ett_rng_rsp_message_tree
 931                 };
 932
 933         proto_mac_mgmt_msg_rng_rsp_decoder = proto_register_protocol (
 934                 "WiMax RNG-RSP Messages", /* name       */
 935                 "WiMax RNG-RSP",    /* short name */
 936                 "wmx.rng_rsp"       /* abbrev     */
 937                 );
 938
 939         proto_register_field_array(proto_mac_mgmt_msg_rng_rsp_decoder, hf, array_length(hf));
 940         proto_register_subtree_array(ett, array_length(ett));
 941         rng_rsp_handle = register_dissector("mac_mgmt_msg_rng_rsp_handler", dissect_mac_mgmt_msg_rng_rsp_decoder, proto_mac_mgmt_msg_rng_rsp_decoder);
 942 }
 943
 944 void proto_reg_handoff_mac_mgmt_msg_rng_rsp(void)
 945 {
 946         dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_RNG_RSP, rng_rsp_handle);
 947
 948         sbc_rsp_handle = find_dissector("mac_mgmt_msg_sbc_rsp_handler");
 949         reg_rsp_handle = find_dissector("mac_mgmt_msg_reg_rsp_handler");
 950 }
 951
 952
 953 /*
 954  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
 955  *
 956  * Local variables:
 957  * c-basic-offset: 8
 958  * tab-width: 8
 959  * indent-tabs-mode: t
 960  * End:
 961  *
 962  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
 963  * :indentSize=8:tabSize=8:noTabs=false:
 964  */