plugins/epan/wimax/msg_dcd.c

   1 /* msg_dcd.c
   2  * WiMax MAC Management DCD Message decoder
   3  *
   4  * Copyright (c) 2007 by Intel Corporation.
   5  *
   6  * Author: Lu Pan <lu.pan@intel.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 /*
  20 #define DEBUG
  21 */
  22
  23 #include <epan/packet.h>
  24 #include "wimax_tlv.h"
  25 #include "wimax_mac.h"
  26 #include "wimax_utils.h"
  27
  28 /* Delete the following variable as soon as possible */
  29 extern gboolean include_cor2_changes;
  30
  31 void proto_register_mac_mgmt_msg_dcd(void);
  32 void proto_reg_handoff_mac_mgmt_msg_dcd(void);
  33
  34 static gint proto_mac_mgmt_msg_dcd_decoder = -1;
  35 static gint ett_mac_mgmt_msg_dcd_decoder = -1;
  36
  37 /* fix fields */
  38 static gint hf_dcd_downlink_channel_id = -1;
  39 static gint hf_dcd_config_change_count = -1;
  40 static gint hf_dcd_dl_burst_profile_rsv = -1;
  41 static gint hf_dcd_dl_burst_profile_diuc = -1;
  42
  43 static gint hf_dcd_bs_eirp = -1;
  44 static gint hf_dcd_frame_duration = -1;
  45 static gint hf_dcd_phy_type = -1;
  46 static gint hf_dcd_power_adjustment = -1;
  47 static gint hf_dcd_channel_nr = -1;
  48 static gint hf_dcd_ttg = -1;
  49 static gint hf_dcd_rtg = -1;
  50 #ifdef  WIMAX_16D_2004
  51 static gint hf_dcd_rss = -1;
  52 #endif
  53 static gint hf_dcd_channel_switch_frame_nr = -1;
  54 static gint hf_dcd_frequency = -1;
  55 static gint hf_dcd_bs_id = -1;
  56 static gint hf_dcd_frame_duration_code = -1;
  57 static gint hf_dcd_frame_nr = -1;
  58 #ifdef  WIMAX_16D_2004
  59 static gint hf_dcd_size_cqich_id = -1;
  60 #endif
  61 static gint hf_dcd_h_arq_ack_delay = -1;
  62 static gint hf_dcd_mac_version = -1;
  63 static gint hf_dcd_restart_count = -1;
  64
  65 /* static gint hf_dl_burst_reserved = -1; */
  66 /* static gint hf_dl_burst_diuc = -1; */
  67 static gint hf_dcd_burst_freq = -1;
  68 static gint hf_dcd_burst_fec = -1;
  69 static gint hf_dcd_burst_diuc_exit_threshold = -1;
  70 static gint hf_dcd_burst_diuc_entry_threshold = -1;
  71 static gint hf_dcd_burst_tcs = -1;
  72 static gint hf_dcd_tlv_t_19_permutation_type_for_broadcast_regions_in_harq_zone = -1;
  73 static gint hf_dcd_tlv_t_20_maximum_retransmission = -1;
  74 static gint hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter = -1;
  75 static gint hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_physical_cinr_measurements = -1;
  76 static gint hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_rssi_measurements = -1;
  77 static gint hf_dcd_tlv_t_22_dl_amc_allocated_physical_bands_bitmap = -1;
  78
  79 static gint hf_dcd_tlv_t_34_dl_region_definition = -1;
  80 static gint hf_dcd_tlv_t_34_dl_region_definition_num_region = -1;
  81 static gint hf_dcd_tlv_t_34_dl_region_definition_reserved = -1;
  82 static gint hf_dcd_tlv_t_34_dl_region_definition_symbol_offset = -1;
  83 static gint hf_dcd_eirxp = -1;
  84 static gint hf_dcd_tlv_t_34_dl_region_definition_subchannel_offset = -1;
  85 static gint hf_dcd_tlv_t_34_dl_region_definition_num_symbols = -1;
  86 static gint hf_dcd_tlv_t_34_dl_region_definition_num_subchannels = -1;
  87 static gint hf_dcd_tlv_t_50_ho_type_support = -1;
  88 static gint hf_dcd_tlv_t_50_ho_type_support_ho = -1;
  89 static gint hf_dcd_tlv_t_50_ho_type_support_mdho = -1;
  90 static gint hf_dcd_tlv_t_50_ho_type_support_fbss_ho = -1;
  91 static gint hf_dcd_tlv_t_50_ho_type_support_reserved = -1;
  92 static gint hf_dcd_tlv_t_31_h_add_threshold = -1;
  93 static gint hf_dcd_tlv_t_45_paging_interval_length = -1;
  94 static gint hf_dcd_tlv_t_45_paging_interval_reserved = -1;
  95 static gint hf_dcd_tlv_t_32_h_delete_threshold = -1;
  96 static gint hf_dcd_tlv_t_33_asr = -1;
  97 static gint hf_dcd_tlv_t_33_asr_m = -1;
  98 static gint hf_dcd_tlv_t_33_asr_l = -1;
  99 static gint hf_dcd_tlv_t_35_paging_group_id = -1;
 100 static gint hf_dcd_tlv_t_36_tusc1_permutation_active_subchannels_bitmap = -1;
 101 static gint hf_dcd_tlv_t_37_tusc2_permutation_active_subchannels_bitmap = -1;
 102 static gint hf_dcd_tlv_t_51_hysteresis_margin = -1;
 103 static gint hf_dcd_tlv_t_52_time_to_trigger_duration = -1;
 104 static gint hf_dcd_tlv_t_60_noise_interference = -1;
 105 static gint hf_dcd_tlv_t_153_downlink_burst_profile_for_mutiple_fec_types = -1;
 106
 107 static gint hf_dcd_tlv_t_541_type_function_action       = -1;
 108 static gint hf_dcd_tlv_t_541_type = -1;
 109 static gint hf_dcd_tlv_t_541_function = -1;
 110 static gint hf_dcd_tlv_t_541_action = -1;
 111 static gint hf_dcd_tlv_t_542_trigger_value = -1;
 112 static gint hf_dcd_tlv_t_543_trigger_averaging_duration = -1;
 113
 114 static gint hf_dcd_unknown_type = -1;
 115 static gint hf_dcd_invalid_tlv = -1;
 116
 117 /* DCD DIUC messages (table 143) */
 118 static const value_string diuc_msgs[] =
 119 {
 120         { 0, "Downlink Burst Profile 1"},
 121         { 1, "Downlink Burst Profile 2"},
 122         { 2, "Downlink Burst Profile 3"},
 123         { 3, "Downlink Burst Profile 4"},
 124         { 4, "Downlink Burst Profile 5"},
 125         { 5, "Downlink Burst Profile 6"},
 126         { 6, "Downlink Burst Profile 7"},
 127         { 7, "Downlink Burst Profile 8"},
 128         { 8, "Downlink Burst Profile 9"},
 129         { 9, "Downlink Burst Profile 10"},
 130         {10, "Downlink Burst Profile 11"},
 131         {11, "Downlink Burst Profile 12"},
 132         {12, "Downlink Burst Profile 13"},
 133         {13, "Reserved"},
 134         {14, "Gap"},
 135         {15, "End of DL-MAP"},
 136         {0,  NULL}
 137 };
 138
 139 static const value_string vals_dcd_type[] =
 140 {
 141     {0, "CINR metric"},
 142     {1, "RSSI metric"},
 143     {2, "RTD metric"},
 144     {3, "Reserved"},
 145     {0,  NULL}
 146 };
 147
 148 static const value_string vals_dcd_function[] =
 149 {
 150     {0, "Reserved"},
 151     {1, "Metric of neighbor BS is greater than absolute value"},
 152     {2, "Metric of neighbor BS is less than absolute value"},
 153     {3, "Metric of neighbor BS is greater than serving BS metric by relative value"},
 154     {4, "Metric of neighbor BS is less than serving BS metric by relative value"},
 155     {5, "Metric of serving BS greater than absolute value"},
 156     {6, "Metric of serving BS less than absolute value"},
 157     {7, "Reserved"},
 158     {0,  NULL}
 159 };
 160
 161 static const value_string vals_dcd_action[] =
 162 {
 163     {0, "Reserved"},
 164     {1, "Respond on trigger with MOB_SCN-REP after the end of each scanning interval"},
 165     {2, "Respond on trigger with MOB_MSH-REQ"},
 166     {3, "On trigger, MS starts neighbor BS scanning process by sending MOB_SCN-REQ"},
 167     {4, "Reserved"},
 168     {0,  NULL}
 169 };
 170
 171 static const value_string vals_dcd_power_adjustmnt[] =
 172 {
 173     {0, "Preserve Peak Power"},
 174     {1, "Preserve Mean Power"},
 175     {0,  NULL}
 176 };
 177
 178 #if 0
 179 static const true_false_string tfs_dcd_power_adjustment =
 180 {
 181     "Preserve Mean Power",
 182     "Preserve Peak Power"
 183 };
 184 #endif
 185
 186 #if 0
 187 static const value_string vals_reg_rsp_status[] =
 188 {
 189     {0, "OK"},
 190     {1, "Message authentication failure"},
 191     {0,  NULL}
 192 };
 193 #endif
 194
 195 static const value_string vals_dcd_burst_tcs[] =
 196 {
 197     {0, "TCS disabled"},
 198     {1, "TCS enabled"},
 199     {0,  NULL}
 200 };
 201
 202 #if 0
 203 static const true_false_string tfs_dcd_burst_tcs =
 204 {
 205     "TCS enabled",
 206     "TCS disabled"
 207 };
 208 #endif
 209
 210 static const value_string vals_dcd_frame_duration[] =
 211 {
 212     {0, "2.5"},
 213     {1, "4"},
 214     {2, "5"},
 215     {3, "8"},
 216     {4, "10"},
 217     {5, "12.5"},
 218     {6, "20"},
 219     {0,  NULL}
 220 };
 221
 222 #ifdef WIMAX_16D_2004
 223 static const value_string vals_dcd_size_of_cqich_id[] =
 224 {
 225     {0, "Reserved"},
 226     {1, "3 bits"},
 227     {2, "4 bits"},
 228     {3, "5 bits"},
 229     {4, "6 bits"},
 230     {5, "7 bits"},
 231     {6, "8 bits"},
 232     {7, "9 bits"},
 233     {0,  NULL}
 234 };
 235 #endif
 236
 237 static const value_string vals_dcd_mac_version[] =
 238 {
 239     { 1, "Conformance with IEEE Std 802.16-2001"},
 240     { 2, "Conformance with IEEE Std 802.16c-2002 and its predecessors"},
 241     { 3, "Conformance with IEEE Std 802.16a-2003 and its predecessors"},
 242     { 4, "Conformance with IEEE Std 802.16-2004"},
 243     { 5, "Conformance with IEEE Std 802.16-2004 and IEEE Std 802.16e-2005"},
 244     { 6, "Conformance with IEEE Std 802.16-2004, IEEE Std 802.16e-2005 and IEEE Std 802.16f-2005"},
 245     { 7, "Conformance with IEEE Std 802.16-2004, IEEE Std 802.16e-2005, IEEE Std 802.16f-2005 and IEEE Std 802.16g-2007"},
 246     { 8, "Conformance with IEEE Std 802.16-2009"},
 247     { 9, "Conformance with IEEE Std 802.16-2009 and IEEE Std 802.16j-2009"},
 248     {10, "Reserved"},
 249     {0, NULL}
 250 };
 251
 252 /* table 363 */
 253 static const value_string vals_dcd_burst_fec_ofdma[] =
 254 {
 255     { 0, "QPSK (CC) 1/2"},
 256     { 1, "QPSK (CC) 3/4"},
 257     { 2, "16-QAM (CC) 1/2"},
 258     { 3, "16-QAM (CC) 3/4"},
 259     { 4, "64-QAM (CC) 1/2"},
 260     { 5, "64-QAM (CC) 2/3"},
 261     { 6, "64-QAM (CC) 3/4"},
 262     { 7, "QPSK (BTC) 1/2"},
 263     { 8, "QPSK (BTC) 3/4 or 2/3"},
 264     { 9, "16-QAM (BTC) 3/5"},
 265     {10, "16-QAM (BTC) 4/5"},
 266     {11, "64-QAM (BTC) 2/3 or 5/8"},
 267     {12, "64-QAM (BTC) 5/6 or 4/5"},
 268     {13, "QPSK (CTC) 1/2"},
 269     {14, "Reserved"},
 270     {15, "QPSK (CTC) 3/4"},
 271     {16, "16-QAM (CTC) 1/2"},
 272     {17, "16-QAM (CTC) 3/4"},
 273     {18, "64-QAM (CTC) 1/2"},
 274     {19, "64-QAM (CTC) 2/3"},
 275     {20, "64-QAM (CTC) 3/4"},
 276     {21, "64-QAM (CTC) 5/6"},
 277     {22, "QPSK (ZT CC) 1/2"},
 278     {23, "QPSK (ZT CC) 3/4"},
 279     {24, "16-QAM (ZT CC) 1/2"},
 280     {25, "16-QAM (ZT CC) 3/4"},
 281     {26, "64-QAM (ZT CC) 1/2"},
 282     {27, "64-QAM (ZT CC) 2/3"},
 283     {28, "64-QAM (ZT CC) 3/4"},
 284     {29, "QPSK (LDPC) 1/2"},
 285     {30, "QPSK (LDPC) 2/3 A code"},
 286     {31, "16-QAM (LDPC) 3/4 A code"},
 287     {32, "16-QAM (LDPC) 1/2"},
 288     {33, "16-QAM (LDPC) 2/3 A code"},
 289     {34, "16-QAM (LDPC) 3/4 A code"},
 290     {35, "64-QAM (LDPC) 1/2"},
 291     {36, "64-QAM (LDPC) 2/3 A code"},
 292     {37, "64-QAM (LDPC) 3/4 A code"},
 293     {38, "QPSK (LDPC) 2/3 B code"},
 294     {39, "QPSK (LDPC) 3/4 B code"},
 295     {40, "16-QAM (LDPC) 2/3 B code"},
 296     {41, "16-QAM (LDPC) 3/4 B code"},
 297     {42, "64-QAM (LDPC) 2/3 B code"},
 298     {43, "64-QAM (LDPC) 3/4 B code"},
 299     {44, "QPSK (CC with optional interleaver) 1/2"},
 300     {45, "QPSK (CC with optional interleaver) 3/4"},
 301     {46, "16-QAM (CC with optional interleaver) 1/2"},
 302     {47, "16-QAM (CC optional interleaver) 3/4"},
 303     {48, "64-QAM (CC with optional interleaver) 2/3"},
 304     {49, "64-QAM (CC with optional interleaver) 3/4"},
 305     {50, "QPSK (LDPC) 5/6"},
 306     {51, "16-QAM (LDPC) 5/6"},
 307     {52, "64-QAM (LDPC) 5/6"},
 308     {0,  NULL}
 309 };
 310
 311 static const value_string vals_dcd_permutation_type[] =
 312 {
 313     {0, "PUSC"},
 314     {1, "FUSC"},
 315     {2, "optional FUSC"},
 316     {3, "AMC"},
 317     {0,  NULL}
 318 };
 319
 320 static const value_string tfs_support[] =
 321 {
 322     {0, "not supported"},
 323     {1, "supported"},
 324     {0,  NULL}
 325 };
 326
 327
 328 /* WiMax MAC Management DCD message (table 15) dissector */
 329 static int dissect_mac_mgmt_msg_dcd_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
 330 {
 331         guint offset = 0;
 332         guint tvb_len, length;
 333         gint  tlv_type, tlv_len, tlv_offset, tlv_value_offset;
 334         guint dl_burst_diuc, dl_num_regions;
 335         proto_item *dcd_item, *tlv_item, *sub_item;
 336         proto_tree *dcd_tree, *tlv_tree, *sub_tree;
 337         tlv_info_t tlv_info;
 338         gchar* proto_str;
 339
 340         {       /* we are being asked for details */
 341                 /* Get the tvb reported length */
 342                 tvb_len =  tvb_reported_length(tvb);
 343                 /* display MAC payload type DCD */
 344                 dcd_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_dcd_decoder, tvb, offset, tvb_len, "Downlink Channel Descriptor (DCD)");
 345                 /* add MAC DCD subtree */
 346                 dcd_tree = proto_item_add_subtree(dcd_item, ett_mac_mgmt_msg_dcd_decoder);
 347                 /* Decode and display the Downlink Channel Descriptor (DCD) */
 348                 /* display the Downlink Channel ID */
 349                 proto_tree_add_item(dcd_tree, hf_dcd_downlink_channel_id, tvb, offset, 1, ENC_BIG_ENDIAN);
 350                 /* set the offset for the Configuration Change Count */
 351                 offset++;
 352                 /* display the Configuration Change Count */
 353                 proto_tree_add_item(dcd_tree, hf_dcd_config_change_count, tvb, offset, 1, ENC_BIG_ENDIAN);
 354                 /* set the offset for the TLV Encoded info */
 355                 offset++;
 356                 /* process the DCD TLV Encoded information (table 358) */
 357                 while(offset < tvb_len)
 358                 {
 359                         /* get the TLV information */
 360                         init_tlv_info(&tlv_info, tvb, offset);
 361                         /* get the TLV type */
 362                         tlv_type = get_tlv_type(&tlv_info);
 363                         /* get the TLV length */
 364                         tlv_len = get_tlv_length(&tlv_info);
 365                         if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
 366                         {       /* invalid tlv info */
 367                                 col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "DCD TLV error");
 368                                 proto_tree_add_item(dcd_tree, hf_dcd_invalid_tlv, tvb, offset, (tvb_len - offset), ENC_NA);
 369                                 break;
 370                         }
 371                         /* get the TLV value offset */
 372                         tlv_value_offset = get_tlv_value_offset(&tlv_info);
 373 #ifdef DEBUG /* for debug only */
 374                         proto_tree_add_protocol_format(dcd_tree, proto_mac_mgmt_msg_dcd_decoder, tvb, offset, (tlv_len + tlv_value_offset), "DCD Type: %u (%u bytes, offset=%u, tvb_len=%u)", tlv_type, tlv_len, offset, tvb_len);
 375 #endif
 376                         /* update the offset */
 377                         offset += tlv_value_offset;
 378                         /* process DCD TLVs */
 379                         switch (tlv_type)
 380                         {
 381                                 case DCD_DOWNLINK_BURST_PROFILE:
 382                                 {       /* Downlink Burst Profile TLV (table 363)*/
 383                                         /* get the DIUC */
 384                                         dl_burst_diuc = (tvb_get_guint8(tvb, offset) & 0x0F);
 385                                         /* display TLV info */
 386                                         /* add TLV subtree */
 387                                         proto_str = wmem_strdup_printf(wmem_packet_scope(), "Downlink_Burst_Profile (DIUC=%u)", dl_burst_diuc);
 388                                         tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dcd_decoder, dcd_tree, proto_mac_mgmt_msg_dcd_decoder, tvb, offset-tlv_value_offset, tlv_len, proto_str);
 389                                         /* detail display */
 390                                         proto_tree_add_item(tlv_tree, hf_dcd_dl_burst_profile_rsv, tvb, offset, 1, ENC_BIG_ENDIAN);
 391                                         proto_tree_add_item(tlv_tree, hf_dcd_dl_burst_profile_diuc, tvb, offset, 1, ENC_BIG_ENDIAN);
 392                                         /* process subTLVs */
 393                                         for (tlv_offset = 1; tlv_offset < tlv_len;  )
 394                                         {       /* get the TLV information */
 395                                                 init_tlv_info(&tlv_info, tvb, (offset+tlv_offset));
 396                                                 /* get the TLV type */
 397                                                 tlv_type = get_tlv_type(&tlv_info);
 398                                                 /* get the TLV length */
 399                                                 length = get_tlv_length(&tlv_info);
 400                                                 if(tlv_type == -1 || length > MAX_TLV_LEN || length < 1)
 401                                                 {       /* invalid tlv info */
 402                                                         col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "DL Burst Profile TLV error");
 403                                                         proto_tree_add_item(tlv_tree, hf_dcd_invalid_tlv, tvb, offset, (tlv_len - offset - tlv_offset), ENC_NA);
 404                                                         break;
 405                                                 }
 406
 407                                                 switch (tlv_type)
 408                                                 {
 409                                                         case DCD_BURST_FREQUENCY:
 410                                                         {
 411                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_burst_freq, tvb, (offset+tlv_offset), ENC_BIG_ENDIAN);
 412                                                                 break;
 413                                                         }
 414                                                         case DCD_BURST_FEC_CODE_TYPE:
 415                                                         {
 416                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_burst_fec, tvb, (offset+tlv_offset), ENC_BIG_ENDIAN);
 417                                                                 break;
 418                                                         }
 419                                                         case DCD_BURST_DIUC_EXIT_THRESHOLD:
 420                                                         {
 421                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_burst_diuc_exit_threshold, tvb, (offset+tlv_offset), ENC_BIG_ENDIAN);
 422                                                                 break;
 423                                                         }
 424                                                         case DCD_BURST_DIUC_ENTRY_THRESHOLD:
 425                                                         {
 426                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_burst_diuc_entry_threshold, tvb, (offset+tlv_offset), ENC_BIG_ENDIAN);
 427                                                                 break;
 428                                                         }
 429                                                         case DCD_BURST_TCS_ENABLE:
 430                                                         {
 431                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_burst_tcs, tvb, (offset+tlv_offset), ENC_BIG_ENDIAN);
 432                                                                 break;
 433                                                         }
 434                                                         default:
 435                                                                 /* ??? */
 436                                                                 break;
 437                                                 }
 438                                                 tlv_offset += (length+get_tlv_value_offset(&tlv_info));
 439                                         }
 440                                         break;
 441                                 }
 442                                 case DCD_BS_EIRP:
 443                                 {
 444                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_bs_eirp, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 445                                         break;
 446                                 }
 447                                 case DCD_FRAME_DURATION:
 448                                 {
 449                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_frame_duration, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 450                                         break;
 451                                 }
 452                                 case DCD_PHY_TYPE:
 453                                 {
 454                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_phy_type, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 455                                         break;
 456                                 }
 457                                 case DCD_POWER_ADJUSTMENT:
 458                                 {
 459                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_power_adjustment, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 460                                         break;
 461                                 }
 462                                 case DCD_CHANNEL_NR:
 463                                 {
 464                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_channel_nr, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 465                                         break;
 466                                 }
 467                                 case DCD_TTG:
 468                                 {
 469                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_ttg, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 470                                         break;
 471                                 }
 472                                 case DCD_RTG:
 473                                 {
 474                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_rtg, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 475                                         break;
 476                                 }
 477 #ifdef WIMAX_16D_2004
 478                                 case DCD_RSS:
 479                                 {
 480                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_rss, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 481                                         break;
 482                                 }
 483 #else
 484                                 case DCD_EIRXP:
 485                                 {
 486                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_eirxp, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 487                                         break;
 488                                 }
 489 #endif
 490                                 case DCD_CHANNEL_SWITCH_FRAME_NR:
 491                                 {
 492                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_channel_switch_frame_nr, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 493                                         break;
 494                                 }
 495                                 case DCD_FREQUENCY:
 496                                 {
 497                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_frequency, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 498                                         break;
 499                                 }
 500                                 case DCD_BS_ID:
 501                                 {
 502                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_bs_id, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 503                                         break;
 504                                 }
 505                                 case DCD_FRAME_DURATION_CODE:
 506                                 {
 507                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_frame_duration_code, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 508                                         break;
 509                                 }
 510                                 case DCD_FRAME_NR:
 511                                 {
 512                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_frame_nr, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 513                                         break;
 514                                 }
 515 #ifdef WIMAX_16D_2004
 516                                 case DCD_SIZE_CQICH_ID:
 517                                 {
 518                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_size_cqich_id, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 519                                         break;
 520                                 }
 521 #endif
 522                                 case DCD_H_ARQ_ACK_DELAY:
 523                                 {
 524                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_h_arq_ack_delay, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 525                                         break;
 526                                 }
 527                                 case DCD_MAC_VERSION:
 528                                 {
 529                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_mac_version, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 530                                         break;
 531                                 }
 532                                 case DCD_TLV_T_19_PERMUTATION_TYPE_FOR_BROADCAST_REGION_IN_HARQ_ZONE:
 533                                 {
 534                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_19_permutation_type_for_broadcast_regions_in_harq_zone, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 535                                         break;
 536                                 }
 537                                 case DCD_TLV_T_20_MAXIMUM_RETRANSMISSION:
 538                                 {
 539                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_20_maximum_retransmission, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 540                                         break;
 541                                 }
 542                                 case DCD_TLV_T_21_DEFAULT_RSSI_AND_CINR_AVERAGING_PARAMETER:
 543                                 {
 544                                         tlv_item = add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 545                                         tlv_tree = proto_item_add_subtree(tlv_item, ett_mac_mgmt_msg_dcd_decoder);
 546                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_physical_cinr_measurements, tvb, offset, 1, ENC_BIG_ENDIAN);
 547                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_rssi_measurements, tvb, offset, 1, ENC_BIG_ENDIAN);
 548                                         break;
 549                                 }
 550                                 case DCD_TLV_T_22_DL_AMC_ALLOCATED_PHYSICAL_BANDS_BITMAP:
 551                                 {
 552                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_22_dl_amc_allocated_physical_bands_bitmap, tvb, offset-tlv_value_offset, ENC_NA);
 553                                         break;
 554                                 }
 555                                 case DCD_TLV_T_34_DL_REGION_DEFINITION:
 556                                 {
 557                                         tlv_item = add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_34_dl_region_definition, tvb, offset-tlv_value_offset, ENC_NA);
 558                                         tlv_tree = proto_item_add_subtree(tlv_item, ett_mac_mgmt_msg_dcd_decoder);
 559                                         dl_num_regions = tvb_get_guint8(tvb, offset);
 560                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_num_region, tvb, offset, 1, ENC_BIG_ENDIAN);
 561                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
 562                                         tlv_offset = offset;
 563                                         for(length = 0; length < dl_num_regions; length++)
 564                                         {
 565                                                 proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_symbol_offset, tvb, tlv_offset, 1, ENC_BIG_ENDIAN);
 566                                                 proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_subchannel_offset, tvb, (tlv_offset+1), 1, ENC_BIG_ENDIAN);
 567                                                 proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_num_symbols, tvb, (tlv_offset+2), 1, ENC_BIG_ENDIAN);
 568                                                 proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_34_dl_region_definition_num_subchannels, tvb, (tlv_offset+3), 1, ENC_BIG_ENDIAN);
 569                                                 tlv_offset += 4;
 570                                         }
 571                                         break;
 572                                 }
 573                                 case DCD_TLV_T_50_HO_TYPE_SUPPORT:
 574                                 {
 575                                         tlv_item = add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_50_ho_type_support, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 576                                         tlv_tree = proto_item_add_subtree(tlv_item, ett_mac_mgmt_msg_dcd_decoder);
 577                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_50_ho_type_support_ho, tvb, offset, 1, ENC_BIG_ENDIAN);
 578                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_50_ho_type_support_mdho, tvb, offset, 1, ENC_BIG_ENDIAN);
 579                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_50_ho_type_support_fbss_ho, tvb, offset, 1, ENC_BIG_ENDIAN);
 580                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_50_ho_type_support_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
 581                                         break;
 582                                 }
 583                                 case DCD_TLV_T_31_H_ADD_THRESHOLD:
 584                                 {
 585                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_31_h_add_threshold, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 586                                         break;
 587                                 }
 588                                 case DCD_TLV_T_32_H_DELETE_THRESHOLD:
 589                                 {
 590                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_32_h_delete_threshold, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 591                                         break;
 592                                 }
 593                                 case DCD_TLV_T_33_ASR:
 594                                 {
 595                                         tlv_item = add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_33_asr, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 596                                         tlv_tree = proto_item_add_subtree(tlv_item, ett_mac_mgmt_msg_dcd_decoder);
 597                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_33_asr_m, tvb, offset, 1, ENC_BIG_ENDIAN);
 598                                         proto_tree_add_item(tlv_tree, hf_dcd_tlv_t_33_asr_l, tvb, offset, 1, ENC_BIG_ENDIAN);
 599                                         break;
 600                                 }
 601                                 case DCD_TLV_T_35_PAGING_GROUP_ID:
 602                                 {
 603                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_35_paging_group_id, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 604                                         break;
 605                                 }
 606                                 case DCD_TLV_T_36_TUSC1_PERMUTATION_ACTIVE_SUBCHANNELS_BITMAP:
 607                                 {
 608                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_36_tusc1_permutation_active_subchannels_bitmap, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 609                                         break;
 610                                 }
 611                                 case DCD_TLV_T_37_TUSC2_PERMUTATION_ACTIVE_SUBCHANNELS_BITMAP:
 612                                 {
 613                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_37_tusc2_permutation_active_subchannels_bitmap, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 614                                         break;
 615                                 }
 616                                 case DCD_TLV_T_51_HYSTERSIS_MARGIN:
 617                                 {
 618                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_51_hysteresis_margin, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 619                                         break;
 620                                 }
 621                                 case DCD_TLV_T_52_TIME_TO_TRIGGER_DURATION:
 622                                 {
 623                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_52_time_to_trigger_duration, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 624                                         break;
 625                                 }
 626                                 case DCD_TLV_T_54_TRIGGER:
 627                                 {       /* Trigger TLV (table 358a & 358b) */
 628                                         /* add TLV subtree */
 629                                         tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_dcd_decoder, dcd_tree, proto_mac_mgmt_msg_dcd_decoder, tvb, offset-tlv_value_offset, tlv_len, "DCD Trigger");
 630                                         for (tlv_offset = 0; tlv_offset < tlv_len;  )
 631                                         {
 632                                                 /* get the TLV information */
 633                                                 init_tlv_info(&tlv_info, tvb, (offset + tlv_offset));
 634                                                 /* get the TLV type */
 635                                                 tlv_type = get_tlv_type(&tlv_info);
 636                                                 /* get the TLV length */
 637                                                 length = get_tlv_length(&tlv_info);
 638                                                 if(tlv_type == -1 || length > MAX_TLV_LEN || length < 1)
 639                                                 {       /* invalid tlv info */
 640                                                         col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Trigger TLV error");
 641                                                         proto_tree_add_item(tlv_tree, hf_dcd_invalid_tlv, tvb, offset, (tlv_len - offset - tlv_offset), ENC_NA);
 642                                                         break;
 643                                                 }
 644                                                 /* update the offset */
 645                                                 tlv_offset += get_tlv_value_offset(&tlv_info);
 646                                                 /* table 358a */
 647                                                 switch (tlv_type)
 648                                                 {
 649                                                         case DCD_TLV_T_541_TYPE_FUNCTION_ACTION:
 650                                                         {       /* table 358b */
 651                                                                 sub_item = add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_tlv_t_541_type_function_action, tvb, (offset + tlv_offset)-get_tlv_value_offset(&tlv_info), ENC_BIG_ENDIAN);
 652                                                                 sub_tree = proto_item_add_subtree(sub_item, ett_mac_mgmt_msg_dcd_decoder);
 653                                                                 proto_tree_add_item(sub_tree, hf_dcd_tlv_t_541_type, tvb, (offset + tlv_offset), 1, ENC_BIG_ENDIAN);
 654                                                                 proto_tree_add_item(sub_tree, hf_dcd_tlv_t_541_function, tvb, (offset + tlv_offset), 1, ENC_BIG_ENDIAN);
 655                                                                 proto_tree_add_item(sub_tree, hf_dcd_tlv_t_541_action, tvb, (offset + tlv_offset), 1, ENC_BIG_ENDIAN);
 656                                                         }
 657                                                         break;
 658                                                         case DCD_TLV_T542_TRIGGER_VALUE:
 659                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_tlv_t_542_trigger_value, tvb, (offset + tlv_offset)-get_tlv_value_offset(&tlv_info), ENC_BIG_ENDIAN);
 660                                                         break;
 661                                                         case DCD_TLV_T_543_TRIGGER_AVERAGING_DURATION:
 662                                                                 add_tlv_subtree(&tlv_info, tlv_tree, hf_dcd_tlv_t_543_trigger_averaging_duration, tvb, (offset + tlv_offset)-get_tlv_value_offset(&tlv_info), ENC_BIG_ENDIAN);
 663                                                         break;
 664                                                 }
 665                                                 tlv_offset += length;
 666                                         }
 667                                         break;
 668                                 }
 669                                 case DCD_TLV_T_60_NOISE_AND_INTERFERENCE:
 670                                 {
 671                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_60_noise_interference, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 672                                         break;
 673                                 }
 674                                 case DCD_TLV_T_153_DOWNLINK_BURST_PROFILE_FOR_MULTIPLE_FEC_TYPES:
 675                                 {
 676                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_153_downlink_burst_profile_for_mutiple_fec_types, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 677                                         break;
 678                                 }
 679                                 case DCD_RESTART_COUNT:
 680                                 {
 681                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_restart_count, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 682                                         break;
 683                                 }
 684                                 case DCD_TLV_T_45_PAGING_INTERVAL_LENGTH:
 685                                 {
 686                                         if (include_cor2_changes) {
 687                                                 add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_45_paging_interval_reserved, tvb, offset-tlv_value_offset, ENC_NA);
 688                                         } else {
 689                                                 add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_tlv_t_45_paging_interval_length, tvb, offset-tlv_value_offset, ENC_BIG_ENDIAN);
 690                                         }
 691                                         break;
 692                                 }
 693                                 default:
 694                                 {
 695                                         add_tlv_subtree(&tlv_info, dcd_tree, hf_dcd_unknown_type, tvb, offset-tlv_value_offset, ENC_NA);
 696                                         break;
 697                                 }
 698                         }
 699                         offset += tlv_len;
 700                 }       /* end of TLV process while loop */
 701         }
 702         return tvb_captured_length(tvb);
 703 }
 704
 705 /* Register Wimax Mac Payload Protocol and Dissector */
 706 void proto_register_mac_mgmt_msg_dcd(void)
 707 {
 708         /* DCD display */
 709         static hf_register_info hf[] =
 710         {
 711                 {
 712                         &hf_dcd_tlv_t_33_asr,
 713                         {
 714                                 "ASR (Anchor Switch Report) Slot Length (M) and Switching Period (L)", "wmx.dcd.asr",
 715                                 FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL
 716                         }
 717                 },
 718                         {
 719                         &hf_dcd_tlv_t_33_asr_l,
 720                         {
 721                                 "ASR Switching Period (L)", "wmx.dcd.asr.l",
 722                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_frame_frames, 0x0f, NULL, HFILL
 723                         }
 724                 },
 725                         {
 726                         &hf_dcd_tlv_t_33_asr_m,
 727                         {
 728                                 "ASR Slot Length (M)", "wmx.dcd.asr.m",
 729                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_frame_frames, 0xf0, NULL, HFILL
 730                         }
 731                 },
 732                 {
 733                         &hf_dcd_bs_eirp,
 734                         {
 735                                 "BS EIRP", "wmx.dcd.bs_eirp",
 736                                 FT_INT16, BASE_DEC|BASE_UNIT_STRING, &wimax_units_dbm, 0x00, NULL, HFILL
 737                         }
 738                 },
 739                 {
 740                         &hf_dcd_bs_id,
 741                         {
 742                                 "Base Station ID", "wmx.dcd.bs_id",
 743                                 FT_ETHER, BASE_NONE, NULL, 0x00, NULL, HFILL
 744                         }
 745                 },
 746                         {
 747                         &hf_dcd_restart_count,
 748                         {
 749                                 "BS Restart Count", "wmx.dcd.bs_restart_count",
 750                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 751                         }
 752                 },
 753 #if 0
 754                 {
 755                         &hf_dl_burst_diuc,
 756                         {
 757                                 "DIUC", "wmx.dcd.burst.diuc",
 758                                 FT_UINT8, BASE_DEC, NULL, 0x0F, NULL, HFILL
 759                         }
 760                 },
 761 #endif
 762                 {
 763                         &hf_dcd_burst_diuc_entry_threshold,
 764                         {
 765                                 "DIUC Minimum Entry Threshold (in 0.25 dB units)", "wmx.dcd.burst.diuc_entry_threshold",
 766                                 FT_FLOAT, BASE_NONE, NULL, 0x00, NULL, HFILL
 767                         }
 768                 },
 769                 {
 770                         &hf_dcd_burst_diuc_exit_threshold,
 771                         {
 772                                 "DIUC Mandatory Exit Threshold (in 0.25 dB units)", "wmx.dcd.burst.diuc_exit_threshold",
 773                                 FT_FLOAT, BASE_NONE, NULL, 0x00, NULL, HFILL
 774                         }
 775                 },
 776                 {
 777                         &hf_dcd_burst_fec,
 778                         {
 779                                 "FEC Code Type", "wmx.dcd.burst.fec",
 780                                 FT_UINT8, BASE_DEC, VALS(vals_dcd_burst_fec_ofdma), 0x00, NULL, HFILL
 781                         }
 782                 },
 783                 {
 784                         &hf_dcd_burst_freq,
 785                         {
 786                                 "Frequency", "wmx.dcd.burst.freq",
 787                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_khz, 0x00, NULL, HFILL
 788                         }
 789                 },
 790 #if 0
 791                 {
 792                         &hf_dl_burst_reserved,
 793                         {
 794                                 "Reserved", "wmx.dcd.burst.reserved",
 795                                 FT_UINT8, BASE_HEX, NULL, 0xF0, NULL, HFILL
 796                         }
 797                 },
 798 #endif
 799                 {
 800                         &hf_dcd_burst_tcs,
 801                         {
 802                                 "TCS", "wmx.dcd.burst.tcs",
 803                                 FT_UINT8, BASE_DEC, VALS(vals_dcd_burst_tcs), 0x00, NULL, HFILL
 804                         }
 805                 },
 806                 {
 807                         &hf_dcd_channel_nr,
 808                         {
 809                                 "Channel Nr", "wmx.dcd.channel_nr",
 810                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
 811                         }
 812                 },
 813                 {
 814                         &hf_dcd_config_change_count,
 815                         {
 816                                 "Configuration Change Count", "wmx.dcd.config_change_count",
 817                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
 818                         }
 819                 },
 820                         {
 821                         &hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_physical_cinr_measurements,
 822                         {
 823                                 "Default Averaging Parameter for Physical CINR Measurements (in multiples of 1/16)", "wmx.dcd.default_physical_cinr_meas_averaging_parameter",
 824                                 FT_UINT8, BASE_HEX, NULL, 0xf0, NULL, HFILL
 825                         }
 826                 },
 827                         {
 828                         &hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter,
 829                         {
 830                                 "Default RSSI and CINR Averaging Parameter", "wmx.dcd.default_rssi_and_cinr_averaging_parameter",
 831                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 832                         }
 833                 },
 834                         {
 835                         &hf_dcd_tlv_t_21_default_rssi_and_cinr_averaging_parameter_rssi_measurements,
 836                         {
 837                                 "Default Averaging Parameter for RSSI Measurements (in multiples of 1/16)", "wmx.dcd.default_rssi_meas_averaging_parameter",
 838                                 FT_UINT8, BASE_HEX, NULL, 0x0f, NULL, HFILL
 839                         }
 840                 },
 841                         {
 842                         &hf_dcd_tlv_t_22_dl_amc_allocated_physical_bands_bitmap,
 843                         {
 844                                 "DL AMC Allocated Physical Bands Bitmap", "wmx.dcd.dl_amc_allocated_phy_bands_bitmap",
 845                                 FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL
 846                         }
 847                 },
 848                 {
 849                         &hf_dcd_dl_burst_profile_diuc,
 850                         {
 851                                 "DIUC", "wmx.dcd.dl_burst_profile_diuc",
 852                                 FT_UINT8, BASE_DEC, VALS(diuc_msgs), 0x0F, NULL, HFILL
 853                         }
 854                 },
 855                 {
 856                         &hf_dcd_dl_burst_profile_rsv,
 857                         {
 858                                 "Reserved", "wmx.dcd.dl_burst_profile_rsv",
 859                                 FT_UINT8, BASE_DEC, NULL, 0xF0, NULL, HFILL
 860                         }
 861                 },
 862                 {
 863                         &hf_dcd_downlink_channel_id,
 864                         {
 865                                 "Reserved", "wmx.dcd.dl_channel_id",
 866                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
 867                         }
 868                 },
 869                         {
 870                         &hf_dcd_tlv_t_153_downlink_burst_profile_for_mutiple_fec_types,
 871                         {
 872                                 "Downlink Burst Profile for Multiple FEC Types","wimax.dcd.dl_burst_profile_multiple_fec_types",
 873                                 FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL
 874                         }
 875                 },
 876                         {
 877                         &hf_dcd_tlv_t_34_dl_region_definition,
 878                         {
 879                                 "DL Region Definition", "wmx.dcd.dl_region_definition",
 880                                 FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL
 881                         }
 882                 },
 883                         {
 884                         &hf_dcd_tlv_t_34_dl_region_definition_num_region,
 885                         {
 886                                 "Number of Regions", "wmx.dcd.dl_region_definition.num_region",
 887                                 FT_UINT8, BASE_DEC, NULL, 0xFC, NULL, HFILL
 888                         }
 889                 },
 890                         {
 891                         &hf_dcd_tlv_t_34_dl_region_definition_num_subchannels,
 892                         {
 893                                 "Number of Subchannels", "wmx.dcd.dl_region_definition.num_subchannels",
 894                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 895                         }
 896                 },
 897                         {
 898                         &hf_dcd_tlv_t_34_dl_region_definition_num_symbols,
 899                         {
 900                                 "Number of OFDMA Symbols", "wmx.dcd.dl_region_definition.num_symbols",
 901                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 902                         }
 903                 },
 904                         {
 905                         &hf_dcd_tlv_t_34_dl_region_definition_reserved,
 906                         {
 907                                 "Reserved", "wmx.dcd.dl_region_definition.reserved",
 908                                 FT_UINT8, BASE_DEC, NULL, 0x03, NULL, HFILL
 909                         }
 910                 },
 911                         {
 912                         &hf_dcd_tlv_t_34_dl_region_definition_subchannel_offset,
 913                         {
 914                                 "Subchannel Offset", "wmx.dcd.dl_region_definition.subchannel_offset",
 915                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 916                         }
 917                 },
 918                         {
 919                         &hf_dcd_tlv_t_34_dl_region_definition_symbol_offset,
 920                         {
 921                                 "OFDMA Symbol Offset", "wmx.dcd.dl_region_definition.symbol_offset",
 922                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 923                         }
 924                 },
 925 #ifndef WIMAX_16D_2004
 926                         {
 927                         &hf_dcd_eirxp,
 928                         {
 929                                 "EIRXP (IR, max)", "wmx.dcd.eirxp",
 930                                 FT_INT16, BASE_DEC|BASE_UNIT_STRING, &wimax_units_dbm, 0x00, NULL, HFILL
 931                         }
 932                 },
 933 #endif
 934                 {
 935                         &hf_dcd_frame_duration,
 936                         {
 937                                 "Frame Duration", "wmx.dcd.frame_duration",
 938                                 FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL
 939                         }
 940                 },
 941                 {
 942                         &hf_dcd_frame_duration_code,
 943                         {
 944                                 "Frame Duration Code", "wmx.dcd.frame_duration_code",
 945                                 FT_UINT8, BASE_HEX, VALS(vals_dcd_frame_duration), 0x00, NULL, HFILL
 946                         }
 947                 },
 948                 {
 949                         &hf_dcd_frame_nr,
 950                         {
 951                                 "Frame Number", "wmx.dcd.frame_nr",
 952                                 FT_UINT24, BASE_DEC, NULL, 0x00, NULL, HFILL
 953                         }
 954                 },
 955                 {
 956                         &hf_dcd_frequency,
 957                         {
 958                                 "Downlink Center Frequency", "wmx.dcd.frequency",
 959                                 FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &wimax_units_khz, 0x00, NULL, HFILL
 960                         }
 961                 },
 962                         {
 963                         &hf_dcd_tlv_t_31_h_add_threshold,
 964                         {
 965                                 "H_add Threshold", "wmx.dcd.h_add_threshold",
 966                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_db, 0x0, NULL, HFILL
 967                         }
 968                 },
 969 #ifdef WIMAX_16D_2004
 970                 {
 971                         &hf_dcd_h_arq_ack_delay,
 972                         {
 973                                 "H-ARQ ACK Delay for DL Burst", "wmx.dcd.h_arq_ack_delay_dl_burst",
 974                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_frame_offset, 0x00, "", HFILL
 975                         }
 976                 },
 977 #else
 978                         {
 979                         &hf_dcd_h_arq_ack_delay,
 980                         {
 981                                 "H-ARQ ACK Delay for UL Burst", "wmx.dcd.h_arq_ack_delay_ul_burst",
 982                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_frame_offset, 0x00, NULL, HFILL
 983                         }
 984                 },
 985 #endif
 986                         {
 987                         &hf_dcd_tlv_t_32_h_delete_threshold,
 988                         {
 989                                 "H_delete Threshold", "wmx.dcd.h_delete_threshold",
 990                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_db, 0x0, NULL, HFILL
 991                         }
 992                 },
 993                         {
 994                         &hf_dcd_tlv_t_50_ho_type_support,
 995                         {
 996                                 "HO Type Support", "wmx.dcd.ho_type_support",
 997                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
 998                         }
 999                 },
1000                         {
1001                         &hf_dcd_tlv_t_50_ho_type_support_fbss_ho,
1002                         {
1003                                 "FBSS HO", "wmx.dcd.ho_type_support.fbss_ho",
1004                                 FT_UINT8, BASE_HEX, VALS(tfs_support), 0x20, NULL, HFILL
1005                         }
1006                 },
1007                         {
1008                         &hf_dcd_tlv_t_50_ho_type_support_ho,
1009                         {
1010                                 "HO", "wmx.dcd.ho_type_support.ho",
1011                                 FT_UINT8, BASE_HEX, VALS(tfs_support), 0x80, NULL, HFILL
1012                         }
1013                 },
1014                         {
1015                         &hf_dcd_tlv_t_50_ho_type_support_mdho,
1016                         {
1017                                 "MDHO", "wmx.dcd.ho_type_support.mdho",
1018                                 FT_UINT8, BASE_HEX, VALS(tfs_support), 0x40, NULL, HFILL
1019                         }
1020                 },
1021                         {
1022                         &hf_dcd_tlv_t_50_ho_type_support_reserved,
1023                         {
1024                                 "Reserved", "wmx.dcd.ho_type_support.reserved",
1025                                 FT_UINT8, BASE_HEX, NULL, 0x1f, NULL, HFILL
1026                         }
1027                 },
1028                         {
1029                         &hf_dcd_tlv_t_51_hysteresis_margin,
1030                         {
1031                                 "Hysteresis Margin", "wmx.dcd.hysteresis_margin",
1032                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_db, 0x0, NULL, HFILL
1033                         }
1034                 },
1035                 {
1036                         &hf_dcd_invalid_tlv,
1037                         {
1038                                 "Invalid TLV", "wmx.dcd.invalid_tlv",
1039                                 FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL
1040                         }
1041                 },
1042                 {
1043                         &hf_dcd_mac_version,
1044                         {
1045                                 "MAC Version", "wmx.dcd.mac_version",
1046                                 FT_UINT8, BASE_DEC, VALS(vals_dcd_mac_version), 0x00, NULL, HFILL
1047                         }
1048                 },
1049                         {
1050                         &hf_dcd_tlv_t_20_maximum_retransmission,
1051                         {
1052                                 "Maximum Retransmission", "wmx.dcd.maximum_retransmission",
1053                                 FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL
1054                         }
1055                 },
1056                         {
1057                         &hf_dcd_tlv_t_60_noise_interference,
1058                         {
1059                                 "Noise and Interference", "wmx.dcd.noise_interference",
1060                                 FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL
1061                         }
1062                 },
1063                         {
1064                         &hf_dcd_tlv_t_35_paging_group_id,
1065                         {
1066                                 "Paging Group ID", "wmx.dcd.paging_group_id",
1067                                 FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL
1068                         }
1069                 },
1070                 {
1071                         &hf_dcd_tlv_t_36_tusc1_permutation_active_subchannels_bitmap,
1072                         {
1073                                 "TUSC1 permutation active subchannels bitmap", "wmx.dcd.tusc1",
1074                                 FT_UINT16, BASE_HEX, NULL, 0xFF80, NULL, HFILL
1075                         }
1076                 },
1077                 {
1078                         &hf_dcd_tlv_t_37_tusc2_permutation_active_subchannels_bitmap,
1079                         {
1080                                 "TUSC2 permutation active subchannels bitmap", "wmx.dcd.tusc2",
1081                                 FT_UINT16, BASE_HEX, NULL, 0xFFF8, NULL, HFILL
1082                         }
1083                 },
1084                         {
1085                         &hf_dcd_tlv_t_45_paging_interval_length,
1086                         {
1087                                 "Paging Interval Length", "wmx.dcd.paging_interval_length",
1088                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
1089                         }
1090                 },
1091                         {
1092                         &hf_dcd_tlv_t_45_paging_interval_reserved,
1093                         {
1094                                 "Reserved", "wmx.dcd.paging_interval_reserved",
1095                                 FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL
1096                         }
1097                 },
1098                         {
1099                         &hf_dcd_tlv_t_19_permutation_type_for_broadcast_regions_in_harq_zone,
1100                         {
1101                                 "Permutation Type for Broadcast Region in HARQ Zone", "wmx.dcd.permutation_type_broadcast_region_in_harq_zone",
1102                                 FT_UINT8, BASE_DEC, VALS(vals_dcd_permutation_type), 0x00, NULL, HFILL
1103                         }
1104                 },
1105                 {
1106                         &hf_dcd_phy_type,
1107                         {
1108                                 "PHY Type", "wmx.dcd.phy_type",
1109                                 FT_UINT8, BASE_HEX, NULL, 0x00, NULL, HFILL
1110                         }
1111                 },
1112                 {
1113                         &hf_dcd_power_adjustment,
1114                         {
1115                                 "Power Adjustment Rule", "wmx.dcd.power_adjustment",
1116                                 FT_UINT8, BASE_HEX, VALS(vals_dcd_power_adjustmnt), 0x00, NULL, HFILL
1117                         }
1118                 },
1119 #ifdef WIMAX_16D_2004
1120                 {
1121                         &hf_dcd_rss,
1122                         {
1123                                 "RSS (IR, max)", "wmx.dcd.rss",
1124                                 FT_INT16, BASE_DEC|BASE_UNIT_STRING, &wimax_units_dbm, 0x00, "", HFILL
1125                         }
1126                 },
1127 #endif
1128                 {
1129                         &hf_dcd_rtg,
1130                         {
1131                                 "RTG", "wmx.dcd.rtg",
1132                                 FT_UINT8, BASE_HEX|BASE_UNIT_STRING, &wimax_units_ps, 0x00, NULL, HFILL
1133                         }
1134                 },
1135 #ifdef WIMAX_16D_2004
1136                 {
1137                         &hf_dcd_size_cqich_id,
1138                         {
1139                                 "Size of CQICH-ID Field", "wmx.dcd.size_cqich_id",
1140                                 FT_UINT8, BASE_DEC, VALS(vals_dcd_size_of_cqich_id), 0x00, "", HFILL
1141                         }
1142                 },
1143 #endif
1144                 {
1145                         &hf_dcd_channel_switch_frame_nr,
1146                         {
1147                                 "Channel Switch Frame Number", "wmx.dcd.switch_frame",
1148                                 FT_UINT24, BASE_DEC, NULL, 0x00, NULL, HFILL
1149                         }
1150                 },
1151                         {
1152                         &hf_dcd_tlv_t_52_time_to_trigger_duration,
1153                         {
1154                                 "Time to Trigger Duration", "wmx.dcd.time_trigger_duration",
1155                                 FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &wimax_units_ms, 0x0, NULL, HFILL
1156                         }
1157                 },
1158                         {
1159                         &hf_dcd_tlv_t_543_trigger_averaging_duration,
1160                         {
1161                                 "Trigger Averaging Duration", "wmx.dcd.trigger_averaging_duration",
1162                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
1163                         }
1164                 },
1165                         {
1166                         &hf_dcd_tlv_t_542_trigger_value,
1167                         {
1168                                 "Trigger Value", "wmx.dcd.trigger_value",
1169                                 FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
1170                         }
1171                 },
1172                 {
1173                         &hf_dcd_ttg,
1174                         {
1175                                 "TTG", "wmx.dcd.ttg",
1176                                 FT_UINT16, BASE_HEX|BASE_UNIT_STRING, &wimax_units_ps, 0x00, NULL, HFILL
1177                         }
1178                 },
1179                         {
1180                         &hf_dcd_tlv_t_541_type_function_action,
1181                         {
1182                                 "Type/Function/Action", "wmx.dcd.type_function_action",
1183                                 FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL
1184                         }
1185                 },
1186                         {
1187                         &hf_dcd_tlv_t_541_action,
1188                         {
1189                                 "Action", "wmx.dcd.type_function_action.action",
1190                                 FT_UINT8, BASE_HEX, VALS(vals_dcd_action), 0x7, NULL, HFILL
1191                         }
1192                 },
1193                         {
1194                         &hf_dcd_tlv_t_541_function,
1195                         {
1196                                 "Function", "wmx.dcd.type_function_action.function",
1197                                 FT_UINT8, BASE_HEX, VALS(vals_dcd_function), 0x38, NULL, HFILL
1198                         }
1199                 },
1200                         {
1201                         &hf_dcd_tlv_t_541_type,
1202                         {
1203                                 "Type", "wmx.dcd.type_function_action.type",
1204                                 FT_UINT8, BASE_HEX, VALS(vals_dcd_type), 0xC0, NULL, HFILL
1205                         }
1206                 },
1207                 {
1208                         &hf_dcd_unknown_type,
1209                         {
1210                                 "Unknown DCD Type", "wmx.dcd.unknown_tlv_value",
1211                                 FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL
1212                         }
1213                 }
1214         };
1215
1216         /* Setup protocol subtree array */
1217         static gint *ett[] =
1218                 {
1219                         &ett_mac_mgmt_msg_dcd_decoder,
1220                 };
1221
1222         proto_mac_mgmt_msg_dcd_decoder = proto_register_protocol (
1223                 "WiMax DCD Messages", /* name       */
1224                 "WiMax DCD",     /* short name */
1225                 "wmx.dcd"                  /* abbrev     */
1226                 );
1227
1228         proto_register_field_array(proto_mac_mgmt_msg_dcd_decoder, hf, array_length(hf));
1229         proto_register_subtree_array(ett, array_length(ett));
1230 }
1231
1232 void proto_reg_handoff_mac_mgmt_msg_dcd(void)
1233 {
1234         dissector_handle_t dcd_handle;
1235
1236         dcd_handle = create_dissector_handle(dissect_mac_mgmt_msg_dcd_decoder, proto_mac_mgmt_msg_dcd_decoder);
1237         dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_DCD, dcd_handle);
1238 }
1239
1240 /*
1241  * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
1242  *
1243  * Local variables:
1244  * c-basic-offset: 8
1245  * tab-width: 8
1246  * indent-tabs-mode: t
1247  * End:
1248  *
1249  * vi: set shiftwidth=8 tabstop=8 noexpandtab:
1250  * :indentSize=8:tabSize=8:noTabs=false:
1251  */