diff options
author | Bruno Verstuyft <bruno.verstuyft@excentis.com> | 2016-11-04 16:30:55 +0100 |
---|---|---|
committer | Michael Mann <mmann78@netscape.net> | 2016-11-13 00:55:55 +0000 |
commit | 7ba0c0cc02573d102a6cc883b1bbb61cc2e27fea (patch) | |
tree | a63405b2992df4790d68be6c833bde23702ee252 /plugins | |
parent | 42bd5f92e91145f57bb25cba87495434ed2227d6 (diff) |
DOCSIS: Added dissector for type51 UCD
Change-Id: Ifb46b2bd0a6eeae3e641ebcb3ecc89fc4f74b3f9
Reviewed-on: https://code.wireshark.org/review/18673
Reviewed-by: Jaap Keuter <jaap.keuter@xs4all.nl>
Petri-Dish: Jaap Keuter <jaap.keuter@xs4all.nl>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'plugins')
-rw-r--r-- | plugins/docsis/CMakeLists.txt | 1 | ||||
-rw-r--r-- | plugins/docsis/Makefile.am | 1 | ||||
-rw-r--r-- | plugins/docsis/packet-type51ucd.c | 1647 |
3 files changed, 1649 insertions, 0 deletions
diff --git a/plugins/docsis/CMakeLists.txt b/plugins/docsis/CMakeLists.txt index 0a19f6623a..0025bc66ca 100644 --- a/plugins/docsis/CMakeLists.txt +++ b/plugins/docsis/CMakeLists.txt @@ -69,6 +69,7 @@ set(DISSECTOR_SRC packet-tlv-cmctrl.c packet-type29ucd.c packet-type35ucd.c + packet-type51ucd.c packet-uccreq.c packet-uccrsp.c packet-ucd.c diff --git a/plugins/docsis/Makefile.am b/plugins/docsis/Makefile.am index 60eefe41d6..eb2267c54f 100644 --- a/plugins/docsis/Makefile.am +++ b/plugins/docsis/Makefile.am @@ -69,6 +69,7 @@ NONGENERATED_REGISTER_C_FILES = \ packet-tlv-cmctrl.c \ packet-type29ucd.c \ packet-type35ucd.c \ + packet-type51ucd.c \ packet-uccreq.c \ packet-uccrsp.c \ packet-ucd.c \ diff --git a/plugins/docsis/packet-type51ucd.c b/plugins/docsis/packet-type51ucd.c new file mode 100644 index 0000000000..2b2b5ec13c --- /dev/null +++ b/plugins/docsis/packet-type51ucd.c @@ -0,0 +1,1647 @@ +/* packet-type51ucd.c + * + * Routines for Type 51 UCD - DOCSIS 3.1 only - Message dissection + * Copyright 2016, Bruno Verstuyft <bruno.verstuyft@excentis.com> + * Based on packet-type35ucd.c (Copyright 2015, Adrian Simionov <daniel.simionov@gmail.com>) + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/expert.h> + +#define type51ucd_SYMBOL_RATE 1 +#define type51ucd_FREQUENCY 2 +#define type51ucd_PREAMBLE 3 +#define type51ucd_EXT_PREAMBLE 6 +#define type51ucd_SCDMA_MODE_ENABLE 7 +#define type51ucd_SCDMA_SPREADING_INTERVAL 8 +#define type51ucd_SCDMA_CODES_PER_MINI_SLOT 9 +#define type51ucd_SCDMA_ACTIVE_CODES 10 +#define type51ucd_SCDMA_CODE_HOPPING_SEED 11 +#define type51ucd_SCDMA_US_RATIO_NUM 12 +#define type51ucd_SCDMA_US_RATIO_DENOM 13 +#define type51ucd_SCDMA_TIMESTAMP_SNAPSHOT 14 +#define type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY 15 +#define type51ucd_RANGING_REQUIRED 16 +#define type51ucd_MAX_SCHEDULED_CODES 17 +#define type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD 18 +#define type51ucd_RANGING_CHANNEL_CLASS_ID 19 +#define type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING 20 +#define type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES 21 +#define type51ucd_HIGHER_UCD_FOR_SAME_UCID 22 +#define type51ucd_BURST_DESCR23 23 +#define type51ucd_UCD_CHANGE_IND_BITMASK 24 +#define type51ucd_OFDMA_TIMESTAMP_SNAPSHOT 25 +#define type51ucd_OFDMA_CYCLIC_PREFIX_SIZE 26 +#define type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE 27 +#define type51ucd_SUBCARRIER_SPACING 28 +#define type51ucd_CENTER_FREQ_SUBC_0 29 +#define type51ucd_SUBC_EXCL_BAND 30 +#define type51ucd_UNUSED_SUBC_SPEC 31 +#define type51ucd_SYMB_IN_OFDMA_FRAME 32 +#define type51ucd_RAND_SEED 33 + + +#define type51ucd_MODULATION 1 +#define type51ucd_DIFF_ENCODING 2 +#define type51ucd_PREAMBLE_LEN 3 +#define type51ucd_PREAMBLE_VAL_OFF 4 +#define type51ucd_FEC 5 +#define type51ucd_FEC_CODEWORD 6 +#define type51ucd_SCRAMBLER_SEED 7 +#define type51ucd_MAX_BURST 8 +#define type51ucd_GUARD_TIME 9 +#define type51ucd_LAST_CW_LEN 10 +#define type51ucd_SCRAMBLER_ONOFF 11 +#define type51ucd_RS_INT_DEPTH 12 +#define type51ucd_RS_INT_BLOCK 13 +#define type51ucd_PREAMBLE_TYPE 14 +#define type51ucd_SCMDA_SCRAMBLER_ONOFF 15 +#define type51ucd_SCDMA_CODES_PER_SUBFRAME 16 +#define type51ucd_SCDMA_FRAMER_INT_STEP_SIZE 17 +#define type51ucd_TCM_ENABLED 18 +#define type51ucd_SUBC_INIT_RANG 19 +#define type51ucd_SUBC_FINE_RANG 20 +#define type51ucd_OFDMA_PROFILE 21 +#define type51ucd_OFDMA_IR_POWER_CONTROL 22 + +#define IUC_REQUEST 1 +#define IUC_REQ_DATA 2 +#define IUC_INIT_MAINT 3 +#define IUC_STATION_MAINT 4 +#define IUC_SHORT_DATA_GRANT 5 +#define IUC_LONG_DATA_GRANT 6 +#define IUC_NULL_IE 7 +#define IUC_DATA_ACK 8 +#define IUC_ADV_PHY_SHORT_DATA_GRANT 9 +#define IUC_ADV_PHY_LONG_DATA_GRANT 10 +#define IUC_ADV_PHY_UGS 11 +#define IUC_RESERVED12 12 +#define IUC_RESERVED13 13 +#define IUC_RESERVED14 14 +#define IUC_EXPANSION 15 + +void proto_register_docsis_type51ucd(void); +void proto_reg_handoff_docsis_type51ucd(void); + +/* Initialize the protocol and registered fields */ +static int proto_docsis_type51ucd = -1; + +static int hf_docsis_type51ucd_upstream_chid = -1; +static int hf_docsis_type51ucd_config_ch_cnt = -1; +static int hf_docsis_type51ucd_mini_slot_size = -1; +static int hf_docsis_type51ucd_down_chid = -1; +static int hf_docsis_type51ucd_type = -1; +static int hf_docsis_type51ucd_length = -1; +static int hf_docsis_type51ucd_burst_type = -1; +static int hf_docsis_type51ucd_burst_length = -1; +static int hf_docsis_type51ucd_symbol_rate = -1; +static int hf_docsis_type51ucd_frequency = -1; +static int hf_docsis_type51ucd_preamble_pat = -1; +static int hf_docsis_type51ucd_iuc = -1; +static int hf_docsis_type51ucd_ext_preamble = -1; +static int hf_docsis_type51ucd_scdma_mode_enable = -1; +static int hf_docsis_type51ucd_scdma_spreading_interval = -1; +static int hf_docsis_type51ucd_scdma_codes_per_mini_slot = -1; +static int hf_docsis_type51ucd_scdma_active_codes = -1; +static int hf_docsis_type51ucd_scdma_code_hopping_seed = -1; +static int hf_docsis_type51ucd_scdma_us_ratio_num = -1; +static int hf_docsis_type51ucd_scdma_us_ratio_denom = -1; +static int hf_docsis_type51ucd_scdma_timestamp_snapshot = -1; +static int hf_docsis_type51ucd_maintain_power_spectral_density = -1; +static int hf_docsis_type51ucd_ranging_required = -1; +static int hf_docsis_type51ucd_rnghoff_cm = -1; +static int hf_docsis_type51ucd_rnghoff_erouter = -1; +static int hf_docsis_type51ucd_rnghoff_emta = -1; +static int hf_docsis_type51ucd_rnghoff_estb = -1; +static int hf_docsis_type51ucd_rnghoff_rsvd = -1; +static int hf_docsis_type51ucd_rnghoff_id_ext = -1; +static int hf_docsis_type51ucd_chan_class_id_cm = -1; +static int hf_docsis_type51ucd_chan_class_id_erouter = -1; +static int hf_docsis_type51ucd_chan_class_id_emta = -1; +static int hf_docsis_type51ucd_chan_class_id_estb = -1; +static int hf_docsis_type51ucd_chan_class_id_rsvd = -1; +static int hf_docsis_type51ucd_chan_class_id_id_ext = -1; +static int hf_docsis_type51ucd_max_scheduled_codes = -1; +static int hf_docsis_type51ucd_active_code_hopping = -1; +static int hf_docsis_type51ucd_higher_ucd_for_same_ucid = -1; +static int hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv = -1; +static int hf_docsis_type51ucd_scdma_selection_active_codes = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4 = -1; +static int hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved = -1; +static int hf_docsis_type51ucd_ofdma_timestamp_snapshot = -1; +static int hf_docsis_type51ucd_ofdma_cyclic_prefix_size = -1; +static int hf_docsis_type51ucd_ofdma_rolloff_period_size = -1; +static int hf_docsis_type51ucd_subc_spacing = -1; +static int hf_docsis_type51ucd_cent_freq_subc0 = -1; +static int hf_docsis_type51ucd_subcarrier_range = -1; +static int hf_docsis_type51ucd_symb_ofdma_frame = -1; +static int hf_docsis_type51ucd_rand_seed = -1; +static int hf_docsis_burst_mod_type = -1; +static int hf_docsis_burst_diff_encoding = -1; +static int hf_docsis_burst_preamble_len = -1; +static int hf_docsis_burst_preamble_val_off = -1; +static int hf_docsis_burst_fec = -1; +static int hf_docsis_burst_fec_codeword = -1; +static int hf_docsis_burst_scrambler_seed = -1; +static int hf_docsis_burst_max_burst = -1; +static int hf_docsis_burst_guard_time = -1; +static int hf_docsis_burst_last_cw_len = -1; +static int hf_docsis_burst_scrambler_onoff = -1; +static int hf_docsis_rs_int_depth = -1; +static int hf_docsis_rs_int_block = -1; +static int hf_docsis_preamble_type = -1; +static int hf_docsis_scdma_scrambler_onoff = -1; +static int hf_docsis_scdma_codes_per_subframe = -1; +static int hf_docsis_scdma_framer_int_step_size = -1; +static int hf_docsis_tcm_enabled = -1; +static int hf_docsis_subc_init_rang = -1; +static int hf_docsis_subc_fine_rang = -1; +static int hf_docsis_type51ucd_ofdma_prof_mod_order = -1; +static int hf_docsis_type51ucd_ofdma_prof_pilot_pattern = -1; +static int hf_docsis_type51ucd_ofdma_prof_num_add_minislots = -1; +static int hf_docsis_ofdma_ir_pow_ctrl_start_pow = -1; +static int hf_docsis_ofdma_ir_pow_ctrl_step_size = -1; + +static expert_field ei_docsis_type51ucd_tlvlen_bad = EI_INIT; +static expert_field ei_docsis_type51ucd_tlvtype_bad = EI_INIT; + +/* Initialize the subtree pointers */ +static gint ett_docsis_type51ucd = -1; +static gint ett_docsis_type51tlv = -1; +static gint ett_docsis_type51_burst_tlv = -1; + +static const value_string channel_tlv_vals[] _U_ = { + {type51ucd_SYMBOL_RATE, "Symbol Rate"}, + {type51ucd_FREQUENCY, "Frequency"}, + {type51ucd_PREAMBLE, "Preamble Pattern"}, + {type51ucd_EXT_PREAMBLE, "Extended Preamble Pattern"}, + {type51ucd_SCDMA_MODE_ENABLE, "SCDMA Mode Enabled"}, + {type51ucd_SCDMA_SPREADING_INTERVAL, "SCDMA Spreading Intervals per Frame"}, + {type51ucd_SCDMA_CODES_PER_MINI_SLOT, "SCDMA Codes per Mini-slot"}, + {type51ucd_SCDMA_ACTIVE_CODES, "SCDMA Number of Active Codes"}, + {type51ucd_SCDMA_CODE_HOPPING_SEED, "SCDMA Code Hopping Seed"}, + {type51ucd_SCDMA_US_RATIO_NUM, "SCDMA US ratio numera7tor M"}, + {type51ucd_SCDMA_US_RATIO_DENOM, "SCDMA US ratio denominator N"}, + {type51ucd_SCDMA_TIMESTAMP_SNAPSHOT, "SCDMA Timestamp Snapshot"}, + {type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY, "Maintain Power Spectral Density"}, + {type51ucd_RANGING_REQUIRED, "Ranging Required"}, + {type51ucd_MAX_SCHEDULED_CODES, "S-CDMA Maximum Scheduled Codes"}, + {type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD, "Ranging Hold-Off Priority Field"}, + {type51ucd_RANGING_CHANNEL_CLASS_ID, "Ranging Channel Class ID"}, + {type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING, "S-CDMA Selection Mode for Active Codes and Code Hopping"}, + {type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES, "S-CDMA Selection String for Active Codes"}, + {type51ucd_HIGHER_UCD_FOR_SAME_UCID, "Higher UCD for the same UCID present bitmap"}, + {type51ucd_BURST_DESCR23, "Burst Descriptor Type 23"}, + {type51ucd_UCD_CHANGE_IND_BITMASK, "UCD Change Indicator Bitmask"}, + {type51ucd_OFDMA_TIMESTAMP_SNAPSHOT, "OFDMA Timestamp Snapshot"}, + {type51ucd_OFDMA_CYCLIC_PREFIX_SIZE, "OFDMA Cyclic Prefix Size"}, + {type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE, "OFDMA Rolloff Period Size"}, + {type51ucd_SUBCARRIER_SPACING, "Subcarrier Spacing"}, + {type51ucd_CENTER_FREQ_SUBC_0, "Center Frequency of Subcarrier 0"}, + {type51ucd_SUBC_EXCL_BAND, "Subcarrier Exclusion Band"}, + {type51ucd_UNUSED_SUBC_SPEC, "Unused Subcarrier Specification"}, + {type51ucd_SYMB_IN_OFDMA_FRAME, "Symbols in OFDMA frame"}, + {type51ucd_RAND_SEED, "Randomization Seed"}, + {0, NULL} +}; + +static const value_string burst_tlv_vals[] = { + {type51ucd_MODULATION, "Modulation Type"}, + {type51ucd_DIFF_ENCODING, "Differential Encoding"}, + {type51ucd_PREAMBLE_LEN, "Preamble Length"}, + {type51ucd_PREAMBLE_VAL_OFF, "Preamble Value Offset"}, + {type51ucd_FEC, "FEC Error Correction (T)"}, + {type51ucd_FEC_CODEWORD, "FEC Codeword Information Bytes (k)"}, + {type51ucd_SCRAMBLER_SEED, "Scrambler Seed"}, + {type51ucd_MAX_BURST, "Maximum Burst Size"}, + {type51ucd_GUARD_TIME, "Guard Time Size"}, + {type51ucd_LAST_CW_LEN, "Last Codeword Length"}, + {type51ucd_SCRAMBLER_ONOFF, "Scrambler on/off"}, + {type51ucd_RS_INT_DEPTH, "R-S Interleaver Depth (Ir)"}, + {type51ucd_RS_INT_BLOCK, "R-S Interleaver Block Size (Br)"}, + {type51ucd_PREAMBLE_TYPE, "Preamble Type"}, + {type51ucd_SCMDA_SCRAMBLER_ONOFF, "S-CDMA Spreader on/off"}, + {type51ucd_SCDMA_CODES_PER_SUBFRAME, "S-CDMA Codes per Subframe"}, + {type51ucd_SCDMA_FRAMER_INT_STEP_SIZE, "S-CDMA Framer Interleaving Step Size"}, + {type51ucd_TCM_ENABLED, "TCM Encoding"}, + {type51ucd_SUBC_INIT_RANG, "Subcarriers (Nir) Initial Ranging"}, + {type51ucd_SUBC_FINE_RANG, "Subcarriers (Nfr) Initial Ranging"}, + {type51ucd_OFDMA_PROFILE, "OFDMA Profile"}, + {0, NULL} +}; + +static const value_string on_off_vals[] = { + {1, "On"}, + {2, "Off"}, + {0, NULL} +}; + +const true_false_string type51ucd_tfs_allow_inhibit = { "Inhibit Initial Ranging", + "Ranging Allowed" }; + +const true_false_string type51ucd_tfs_inhibit_allow = { "Ranging Allowed", + "Inhibit Initial Ranging" }; + +static const value_string mod_vals2[] = { + {1, "QPSK"}, + {2, "16-QAM"}, + {3, "8-QAM"}, + {4, "32-QAM"}, + {5, "64-QAM"}, + {6, "128-QAM (SCDMA-only)"}, + {7, "Reserved for C-DOCSIS"}, + {0, NULL} +}; + +static const value_string tlv20_vals[] = { + {0, "Selectable active codes mode 1 enabled and code hopping disabled"}, + {1, "Selectable active codes mode 1 enabled and code hopping mode 1 enabled"}, + {2, "Selectable active codes mode 2 enabled and code hopping mode 2 enabled"}, + {3, "Selectable active codes mode 2 enabled and code hopping disabled"}, + {0, NULL} +}; + +const true_false_string type51ucd_tfs_present_not_present = { "Higher UCD is present for this UCID", + "Higher UCD is not present for this UCID" }; + +static const value_string ofdma_prof_mod_order[] = { + {1, "BPSK"}, + {2, "QPSK"}, + {3, "8-QAM"}, + {4, "16-QAM"}, + {5, "32-QAM"}, + {6, "64-QAM"}, + {7, "128-QAM"}, + {8, "256-QAM"}, + {9, "512-QAM"}, + {10, "1024-QAM"}, + {11, "2048-QAM"}, + {12, "4096-QAM"}, + {0, NULL} +}; + + +static const value_string iuc_vals3[] = { + {IUC_REQUEST, "Request"}, + {IUC_REQ_DATA, "REQ/Data"}, + {IUC_INIT_MAINT, "Initial Maintenance"}, + {IUC_STATION_MAINT, "Station Maintenance"}, + {IUC_SHORT_DATA_GRANT, "Short Data Grant"}, + {IUC_LONG_DATA_GRANT, "Long Data Grant"}, + {IUC_NULL_IE, "NULL IE"}, + {IUC_DATA_ACK, "Data Ack"}, + {IUC_ADV_PHY_SHORT_DATA_GRANT, "Advanced Phy Short Data Grant"}, + {IUC_ADV_PHY_LONG_DATA_GRANT, "Advanced Phy Long Data Grant"}, + {IUC_ADV_PHY_UGS, "Advanced Phy UGS"}, + {IUC_RESERVED12, "Reserved 12"}, + {IUC_RESERVED13, "Reserved 13"}, + {IUC_RESERVED14, "Reserved 14"}, + {IUC_EXPANSION, "IUC Expansion"}, + {0, NULL} +}; + +static const value_string last_cw_len_vals[] = { + {1, "Fixed"}, + {2, "Shortened"}, + {0, NULL} +}; + +static const value_string max_scheduled_codes_vals[] = { + {1, "Enabled."}, + {2, "Disabled."}, + {0, NULL} +}; + +static const value_string ranging_required[] = { + {0, "No ranging required."}, + {1, "Unicast initial ranging required."}, + {2, "Broadcast initial ranging required."}, + {3, "Probing required."}, + {0, NULL} +}; + + +static void +ofdma_ir_pow_ctrl_start_pow( + char *buf, + guint32 value) +{ + g_snprintf(buf, ITEM_LABEL_LENGTH, + "%f dBmV/1.6MHz", + value/4.0); +} + +static void +ofdma_ir_pow_ctrl_step_size( + char *buf, + guint32 value) +{ + g_snprintf(buf, ITEM_LABEL_LENGTH, + "%f dB", + value/4.0); +} + +static const value_string ucd_change_ind_vals[] = { + {0, "No changes"}, + {1, "Changes"}, + {0, NULL} +}; + +static const value_string ofdma_cyclic_prefix_size_vals[] = { + {1, "96 samples"}, + {2, "128 samples"}, + {3, "160 samples"}, + {4, "192 samples"}, + {5, "224 samples"}, + {6, "256 samples"}, + {7, "288 samples"}, + {8, "320 samples"}, + {9, "384 samples"}, + {10, "512 samples"}, + {11, "640 samples"}, + {0, NULL} +}; + +static const value_string ofdma_rolloff_period_size_vals[] = { + {1, "0 samples"}, + {2, "32 samples"}, + {3, "64 samples"}, + {4, "96 samples"}, + {5, "128 samples"}, + {6, "160 samples"}, + {7, "192 samples"}, + {8, "224 samples"}, + {0, NULL} +}; + +static const value_string subc_spacing_vals[] = { + {1, "25 kHz (corresponds to 4096 subcarriers and 16 subcarriers per minislot)"}, + {2, "50 kHz (corresponds to 2048 subcarriers and 8 subcarriers per minislot)"}, + {0, NULL} +}; + +static void +subcarrier_range ( + char *buf, + guint32 value) +{ + g_snprintf(buf, ITEM_LABEL_LENGTH, + "%u - %u", + value >> 16, value &0xFFFF); +} + +/* Dissection */ +static void +dissect_type51ucd_burstdescriptor(tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, guint16 start, guint16 length) +{ + guint16 endtlvpos, pos; + guint16 i; + proto_tree *type51ucd_burst_tree; + proto_item *type51ucd_burst_item; + guint8 tlvlen, tlvtype; + + pos = start; + proto_tree_add_item (tree, hf_docsis_type51ucd_iuc, tvb, pos++, 1, ENC_BIG_ENDIAN); + + endtlvpos = pos + length - 1; + while (pos < endtlvpos) + { + tlvtype = tvb_get_guint8 (tvb, pos); + type51ucd_burst_tree = proto_tree_add_subtree (tree, tvb, pos, -1, + ett_docsis_type51_burst_tlv, &type51ucd_burst_item, + val_to_str(tlvtype, burst_tlv_vals, + "Unknown TLV (%u)")); + proto_tree_add_uint (type51ucd_burst_tree, hf_docsis_type51ucd_burst_type, tvb, pos++, 1, tlvtype); + tlvlen = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type51ucd_burst_tree, hf_docsis_type51ucd_burst_length, tvb, pos++, 1, tlvlen); + proto_item_set_len(type51ucd_burst_item, tlvlen + 2); + switch (tlvtype) + { + case type51ucd_MODULATION: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_mod_type, tvb, + pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_DIFF_ENCODING: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_diff_encoding, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_PREAMBLE_LEN: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_preamble_len, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_PREAMBLE_VAL_OFF: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_preamble_val_off, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_FEC: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_fec, tvb, pos, + tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_FEC_CODEWORD: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_fec_codeword, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCRAMBLER_SEED: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_scrambler_seed, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_MAX_BURST: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_max_burst, tvb, + pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_GUARD_TIME: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_guard_time, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_LAST_CW_LEN: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_last_cw_len, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCRAMBLER_ONOFF: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_burst_scrambler_onoff, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RS_INT_DEPTH: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_rs_int_depth, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RS_INT_BLOCK: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_rs_int_block, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_PREAMBLE_TYPE: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_preamble_type, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCMDA_SCRAMBLER_ONOFF: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_scdma_scrambler_onoff, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_CODES_PER_SUBFRAME: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_scdma_codes_per_subframe, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_FRAMER_INT_STEP_SIZE: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_scdma_framer_int_step_size, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_TCM_ENABLED: + if (tlvlen == 1) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_tcm_enabled, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SUBC_INIT_RANG: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_subc_init_rang, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SUBC_FINE_RANG: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, + hf_docsis_subc_fine_rang, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_OFDMA_PROFILE: + if ((tlvlen % 2) == 0) + { + for(i =0; i < tlvlen; i+=2) { + proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_mod_order, tvb, pos + i, 1, ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_pilot_pattern, tvb, pos + i, 1, ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_burst_tree, hf_docsis_type51ucd_ofdma_prof_num_add_minislots, tvb, pos + i + 1, 1, ENC_BIG_ENDIAN); + } + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u (even length expected)", length); + } + break; + case type51ucd_OFDMA_IR_POWER_CONTROL: + if (tlvlen == 2) + { + proto_tree_add_item (type51ucd_burst_tree, hf_docsis_ofdma_ir_pow_ctrl_start_pow, tvb, pos, tlvlen, ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_burst_tree, hf_docsis_ofdma_ir_pow_ctrl_step_size, tvb, pos + 1, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u (even length expected)", length); + } + break; + default: + expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvtype_bad, "Unknown TLV type: %u", tlvtype); + + } + pos = pos + tlvlen; + } /*while*/ +} + + +static int +dissect_type51ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) +{ + guint16 pos; + guint8 type, length; + guint16 i; + + proto_tree *type51ucd_tree; + proto_item *type51ucd_item; + proto_tree *type51tlv_tree; + proto_item *type51tlv_item; + guint16 len; + guint8 upchid, symrate; + + len = tvb_reported_length(tvb); + upchid = tvb_get_guint8 (tvb, 0); + + /* if the upstream Channel ID is 0 then this is for Telephony Return) */ + if (upchid > 0) + col_add_fstr (pinfo->cinfo, COL_INFO, + "Type 51 UCD Message: Channel ID = %u (U%u)", upchid, + upchid - 1); + else + col_add_fstr (pinfo->cinfo, COL_INFO, + "Type 51 UCD Message: Channel ID = %u (Telephony Return)", + upchid); + + type51ucd_item = + proto_tree_add_protocol_format (tree, proto_docsis_type51ucd, tvb, 0, + tvb_captured_length(tvb), + "UCD Message (Type 51)"); + type51ucd_tree = proto_item_add_subtree (type51ucd_item, ett_docsis_type51ucd); + proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_upstream_chid, tvb, 0, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_config_ch_cnt, tvb, 1, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_mini_slot_size, tvb, 2, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type51ucd_tree, hf_docsis_type51ucd_down_chid, tvb, 3, 1, + ENC_BIG_ENDIAN); + + pos = 4; + while (pos < len) + { + type = tvb_get_guint8 (tvb, pos); + type51tlv_tree = proto_tree_add_subtree(type51ucd_tree, tvb, pos, -1, + ett_docsis_type51tlv, &type51tlv_item, + val_to_str(type, channel_tlv_vals, + "Unknown TLV (%u)")); + proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_type, + tvb, pos, 1, type); + pos++; + length = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_length, + tvb, pos, 1, length); + pos++; + proto_item_set_len(type51tlv_item, length + 2); + switch (type) + { + case type51ucd_SYMBOL_RATE: + if (length == 1) + { + symrate = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type51tlv_tree, hf_docsis_type51ucd_symbol_rate, + tvb, pos, length, symrate * 160); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_FREQUENCY: + if (length == 4) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_frequency, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_PREAMBLE: + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_preamble_pat, tvb, + pos, length, ENC_NA); + break; + case type51ucd_EXT_PREAMBLE: + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ext_preamble, tvb, + pos, length, ENC_NA); + break; + case type51ucd_SCDMA_MODE_ENABLE: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_mode_enable, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_SPREADING_INTERVAL: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_spreading_interval, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_CODES_PER_MINI_SLOT: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_codes_per_mini_slot, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_ACTIVE_CODES: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_active_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_CODE_HOPPING_SEED: + if (length == 2) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_code_hopping_seed, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_US_RATIO_NUM: + if (length == 2) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_us_ratio_num, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_US_RATIO_DENOM: + if (length == 2) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_us_ratio_denom, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_TIMESTAMP_SNAPSHOT: + if (length == 9) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_timestamp_snapshot, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_maintain_power_spectral_density, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RANGING_REQUIRED: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ranging_required, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_MAX_SCHEDULED_CODES: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_max_scheduled_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD: + if (length == 4) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_cm, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_erouter, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_emta, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_estb, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_rsvd, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rnghoff_id_ext, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RANGING_CHANNEL_CLASS_ID: + if (length == 4) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_cm, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_erouter, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_emta, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_estb, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_rsvd, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_chan_class_id_id_ext, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_active_code_hopping, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES: + if (length == 16) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_scdma_selection_active_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_HIGHER_UCD_FOR_SAME_UCID: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_higher_ucd_for_same_ucid, + tvb, pos, length, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_UCD_CHANGE_IND_BITMASK: + if (length == 2) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11, + tvb, pos + 1, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12, + tvb, pos, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13, + tvb, pos, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4, + tvb, pos, 1, ENC_NA); + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved, + tvb, pos, 1, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_OFDMA_TIMESTAMP_SNAPSHOT: + if (length == 9) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_timestamp_snapshot, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_OFDMA_CYCLIC_PREFIX_SIZE: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_cyclic_prefix_size, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_ofdma_rolloff_period_size, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SUBCARRIER_SPACING: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subc_spacing, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_CENTER_FREQ_SUBC_0: + if (length == 4) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_cent_freq_subc0, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SUBC_EXCL_BAND: + if ((length % 4) == 0) + { + for(i = 0; i < length; i+=4) { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subcarrier_range, tvb, pos+i, 4, ENC_NA); + } + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_UNUSED_SUBC_SPEC: + if ((length % 4) == 0) + { + for(i = 0; i < length; i+=4) { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_subcarrier_range, tvb, pos+i, 4, ENC_NA); + } + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_SYMB_IN_OFDMA_FRAME: + if (length == 1) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_symb_ofdma_frame, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_RAND_SEED: + if (length == 3) + { + proto_tree_add_item (type51tlv_tree, hf_docsis_type51ucd_rand_seed, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type51ucd_BURST_DESCR23: + dissect_type51ucd_burstdescriptor(tvb, pinfo, type51tlv_tree, pos, length); + break; + default: + expert_add_info_format(pinfo, type51tlv_item, &ei_docsis_type51ucd_tlvtype_bad, "Unknown TLV type: %u", type); + } /* switch(type) */ + pos = pos + length; + } /* while (pos < len) */ + return len; +} + +/* Register the protocol with Wireshark */ +void +proto_register_docsis_type51ucd (void) +{ + static hf_register_info hf[] = { + {&hf_docsis_type51ucd_upstream_chid, + {"Upstream Channel ID", "docsis_type51ucd.upchid", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_config_ch_cnt, + {"Config Change Count", "docsis_type51ucd.confcngcnt", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Configuration Change Count", HFILL} + }, + {&hf_docsis_type51ucd_mini_slot_size, + {"Mini Slot Size (6.25us TimeTicks)", "docsis_type51ucd.mslotsize", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_down_chid, + {"Downstream Channel ID", "docsis_type51ucd.downchid", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Management Message", HFILL} + }, + {&hf_docsis_type51ucd_type, + {"Type", "docsis_type51ucd.type", + FT_UINT8, BASE_DEC, VALS(channel_tlv_vals), 0x0, + "Channel TLV type", HFILL} + }, + {&hf_docsis_type51ucd_length, + {"Length", "docsis_type51ucd.length", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Channel TLV length", HFILL} + }, + {&hf_docsis_type51ucd_burst_type, + {"Type", "docsis_type51ucd.burst.tlvtype", + FT_UINT8, BASE_DEC, VALS(burst_tlv_vals), 0x0, + "Burst TLV type", HFILL} + }, + {&hf_docsis_type51ucd_burst_length, + {"Length", "docsis_type51ucd.burst.tlvlen", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Burst TLV length", HFILL} + }, + {&hf_docsis_type51ucd_symbol_rate, + {"Symbol Rate (ksym/sec)", "docsis_type51ucd.symrate", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Symbol Rate", HFILL} + }, + {&hf_docsis_type51ucd_frequency, + {"Frequency (Hz)", "docsis_type51ucd.freq", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Upstream Center Frequency", HFILL} + }, + {&hf_docsis_type51ucd_preamble_pat, + {"Preamble Pattern", "docsis_type51ucd.preamble", + FT_BYTES, BASE_NONE, NULL, 0x0, + "Preamble Superstring", HFILL} + }, + {&hf_docsis_type51ucd_iuc, + {"Interval Usage Code", "docsis_type51ucd.iuc", + FT_UINT8, BASE_DEC, VALS (iuc_vals3), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_mod_type, + {"Modulation Type", "docsis_type51ucd.burst.modtype", + FT_UINT8, BASE_DEC, VALS (mod_vals2), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_diff_encoding, + {"Differential Encoding", "docsis_type51ucd.burst.diffenc", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_preamble_len, + {"Preamble Length (Bits)", "docsis_type51ucd.burst.preamble_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_preamble_val_off, + {"Preamble Offset (Bits)", "docsis_type51ucd.burst.preamble_off", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_fec, + {"FEC (T)", "docsis_type51ucd.burst.fec", + FT_UINT8, BASE_DEC, NULL, 0x0, + "FEC (T) Codeword Parity Bits = 2^T", HFILL} + }, + {&hf_docsis_burst_fec_codeword, + {"FEC Codeword Info bytes (k)", "docsis_type51ucd.burst.fec_codeword", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_scrambler_seed, + {"Scrambler Seed", "docsis_type51ucd.burst.scrambler_seed", + FT_UINT16, BASE_HEX, NULL, 0x0, + "Burst Descriptor", HFILL} + }, + {&hf_docsis_burst_max_burst, + {"Max Burst Size (Minislots)", "docsis_type51ucd.burst.maxburst", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_guard_time, + {"Guard Time Size (Symbol Times)", "docsis_type51ucd.burst.guardtime", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Guard Time Size", HFILL} + }, + {&hf_docsis_burst_last_cw_len, + {"Last Codeword Length", "docsis_type51ucd.burst.last_cw_len", + FT_UINT8, BASE_DEC, VALS (last_cw_len_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_scrambler_onoff, + {"Scrambler On/Off", "docsis_type51ucd.burst.scrambleronoff", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ext_preamble, + {"Extended Preamble Pattern", "docsis_type51ucd.extpreamble", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_mode_enable, + {"SCDMA Mode Enable", "docsis_type51ucd.scdmaenable", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_spreading_interval, + {"SCDMA Spreading Interval", "docsis_type51ucd.scdmaspreadinginterval", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_codes_per_mini_slot, + {"SCDMA Codes per mini slot", "docsis_type51ucd.scdmacodesperminislot", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_active_codes, + {"SCDMA Active Codes", "docsis_type51ucd.scdmaactivecodes", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_code_hopping_seed, + {"SCDMA Code Hopping Seed", "docsis_type51ucd.scdmacodehoppingseed", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_us_ratio_num, + {"SCDMA US Ratio Numerator", "docsis_type51ucd.scdmausrationum", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_us_ratio_denom, + {"SCDMA US Ratio Denominator", "docsis_type51ucd.scdmausratiodenom", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_scdma_timestamp_snapshot, + {"SCDMA Timestamp Snapshot", "docsis_type51ucd.scdmatimestamp", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_maintain_power_spectral_density, + {"Maintain power spectral density", "docsis_type51ucd.maintainpowerspectraldensity", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ranging_required, + {"Ranging Required", "docsis_type51ucd.rangingrequired", + FT_UINT8, BASE_DEC, VALS (ranging_required), 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_cm, + {"Ranging Hold-Off (CM)","docsis_type51ucd.rnghoffcm", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x1, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_erouter, + {"Ranging Hold-Off (eRouter)", + "docsis_type51ucd.rnghofferouter", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x2, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_emta, + {"Ranging Hold-Off (eMTA or EDVA)", + "docsis_type51ucd.rnghoffemta", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x4, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_estb, + {"Ranging Hold-Off (DSG/eSTB)", + "docsis_type51ucd.rnghoffestb", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_allow_inhibit), 0x8, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_rsvd, + {"Reserved [0x000000]", + "docsis_type51ucd.rnghoffrsvd", + FT_UINT32, BASE_HEX, NULL, 0xFFF0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rnghoff_id_ext, + {"CM Ranging Class ID Extension", + "docsis_type51ucd.rngidext", + FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_cm, + {"Channel Class ID (CM)","docsis_type51ucd.classidcm", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x1, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_erouter, + {"Channel Class ID (eRouter)", + "docsis_type51ucd.classiderouter", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x2, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_emta, + {"Channel Class ID (eMTA or EDVA)", + "docsis_type51ucd.classidemta", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x4, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_estb, + {"Channel Class ID (DSG/eSTB)", + "docsis_type51ucd.classidestb", + FT_BOOLEAN, 32, TFS(&type51ucd_tfs_inhibit_allow), 0x8, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_rsvd, + {"Reserved [0x000000]", + "docsis_type51ucd.classidrsvd", + FT_UINT32, BASE_HEX, NULL, 0xFFF0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_chan_class_id_id_ext, + {"CM Ranging Class ID Extension", + "docsis_type51ucd.classidext", + FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_active_code_hopping, + {"S-CDMA Selection Mode for Active Codes and Code Hopping", "docsis_type51ucd.selectcodehop", + FT_UINT8, BASE_DEC, VALS (tlv20_vals), 0x0, + "SCDMA Selection Mode for Active Codes and Code Hopping", HFILL} + }, + {&hf_docsis_type51ucd_scdma_selection_active_codes, + {"S-CDMA Selection String for Active Codes", "docsis_type51ucd.selectcode", + FT_BYTES, BASE_NONE, NULL, 0x0, + "SCDMA Selection String for Active Codes", HFILL} + }, + {&hf_docsis_type51ucd_higher_ucd_for_same_ucid, + {"Higher UCD for the same UCID", "docsis_type51ucd.highucdpresent", + FT_BOOLEAN, 8, TFS(&type51ucd_tfs_present_not_present), 0x1, + "Higher UCD for the same UCID present bitmap", HFILL} + }, + {&hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv, + {"Reserved", "docsis_type51ucd.highucdresv", + FT_UINT8, BASE_HEX, NULL, 0xFE, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_max_scheduled_codes, + {"S-CDMA Max Scheduled Codes", "docsis_type51ucd.scdmamaxcodes", + FT_UINT8, BASE_DEC, VALS (max_scheduled_codes_vals), 0x0, + "S-CDMA Maximum Scheduled Codes", HFILL} + }, + {&hf_docsis_rs_int_depth, + {"Scrambler On/Off", "docsis_type51ucd.burst.rsintdepth", + FT_UINT8, BASE_DEC, NULL, 0x0, + "R-S Interleaver Depth", HFILL} + }, + {&hf_docsis_rs_int_block, + {"Scrambler On/Off", "docsis_type51ucd.burst.rsintblock", + FT_UINT8, BASE_DEC, NULL, 0x0, + "R-S Interleaver Block", HFILL} + }, + {&hf_docsis_preamble_type, + {"Scrambler On/Off", "docsis_type51ucd.burst.preambletype", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Preamble Type", HFILL} + }, + {&hf_docsis_scdma_scrambler_onoff, + {"Scrambler On/Off", "docsis_type51ucd.burst.scdmascrambleronoff", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + "SCDMA Scrambler On/Off", HFILL} + }, + {&hf_docsis_scdma_codes_per_subframe, + {"SCDMA Codes per Subframe", "docsis_type51ucd.burst.scdmacodespersubframe", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_scdma_framer_int_step_size, + {"SCDMA Framer Interleaving Step Size", "docsis_type51ucd.burst.scdmaframerintstepsize", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_tcm_enabled, + {"TCM Enabled", "docsis_type51ucd.burst.tcmenabled", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_subc_init_rang, + {"Subcarriers (Nir) Initial Ranging", "docsis_type51ucd.burst.subc_init_rang", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_subc_fine_rang, + {"Subcarriers (Nfr) Fine Ranging", "docsis_type51ucd.burst.subc_fine_rang", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_prof_mod_order, + {"OFDMA Profile: modulation", "docsis_type51ucd.burst.ofma_prof_mod_order", + FT_UINT8, BASE_DEC, VALS(ofdma_prof_mod_order), 0xF0, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_prof_pilot_pattern, + {"OFDMA Profile: pilot pattern", "docsis_type51ucd.burst.ofma_prof_pilot_pattern", + FT_UINT8, BASE_DEC, NULL, 0x0F, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_prof_num_add_minislots, + {"OFDMA Profile: Additional Minislots that have identical bit-loading and pilot pattern index", "docsis_type51ucd.burst.ofma_prof_add_minislots", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL} + }, + {&hf_docsis_ofdma_ir_pow_ctrl_start_pow, + {"OFDMA IR Power Control Starting Power Level", "docsis_type51ucd.burst.ofma_ir_pow_ctrl_start_pow", + FT_UINT8, BASE_CUSTOM, CF_FUNC(ofdma_ir_pow_ctrl_start_pow), 0x00, + NULL, HFILL} + }, + {&hf_docsis_ofdma_ir_pow_ctrl_step_size, + {"OFDMA IR Power Control Step Size", "docsis_type51ucd.burst.ofma_ir_pow_ctrl_step_size", + FT_UINT8, BASE_CUSTOM, CF_FUNC(ofdma_ir_pow_ctrl_step_size), 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band, + {"UCD Change Indicator Bitmask: Subcarrier Exclusion Band TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_subc_excl_band", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x01, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc, + {"UCD Change Indicator Bitmask: Unused Subcarrier Specification TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_unused_subc", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x02, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc, + {"UCD Change Indicator Bitmask: Other than Subcarrier Exclusion Band and Unused Subcarrier Specification TLV", "docsis_type51ucd.burst.ucd_change_ind_bitmask_other_subc", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x04, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC5", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc5", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x08, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC6", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc6", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x10, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC9", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc9", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x20, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC10", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc10", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x40, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC11", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc11", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x80, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC12", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc12", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x01, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC13", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc13", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x02, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4, + {"UCD Change Indicator Bitmask: Burst Attributes associated with IUC3 or IUC4", "docsis_type51ucd.burst.ucd_change_ind_bitmask_burst_attr_iuc3_or_4", + FT_UINT8, BASE_DEC, VALS(ucd_change_ind_vals), 0x04, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved, + {"UCD Change Indicator Bitmask: Reserved", "docsis_type51ucd.burst.ucd_change_ind_bitmask_reserved", + FT_UINT8, BASE_HEX, NULL, 0xF8, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_timestamp_snapshot, + {"OFDMA Timestamp Snapshot", "docsis_type51ucd.ofdma_timestamp_snapshot", + FT_BYTES, BASE_NONE, NULL, 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_cyclic_prefix_size, + {"OFDMA Cyclic Prefix Size", "docsis_type51ucd.ofdma_cyclic_prefix_size", + FT_UINT8, BASE_DEC, VALS(ofdma_cyclic_prefix_size_vals), 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_ofdma_rolloff_period_size, + {"OFDMA Rolloff Period Size", "docsis_type51ucd.ofdma_rolloff_period_size", + FT_UINT8, BASE_DEC, VALS(ofdma_rolloff_period_size_vals), 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_subc_spacing, + {"Subcarrier Spacing", "docsis_type51ucd.subc_spacing", + FT_UINT8, BASE_DEC, VALS(subc_spacing_vals), 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_cent_freq_subc0, + {"Center Frequency of Subcarrier 0", "docsis_type51ucd.cent_freq_subc0", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_subcarrier_range, + {"Subcarrier range", "docsis_type51ucd.subc_range", + FT_UINT32, BASE_CUSTOM, CF_FUNC(subcarrier_range), 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_symb_ofdma_frame, + {"Symbols in OFDMA frame", "docsis_type51ucd.symb_ofdma_frame", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL} + }, + {&hf_docsis_type51ucd_rand_seed, + {"Randomization Seed", "docsis_type51ucd.rand_seed", + FT_BYTES, BASE_NONE, NULL, 0x00, + NULL, HFILL} + }, + }; + + + + static ei_register_info ei[] = { + {&ei_docsis_type51ucd_tlvlen_bad, {"docsis_type51ucd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, + {&ei_docsis_type51ucd_tlvtype_bad, {"docsis_type51ucd.tlvtypebad", PI_PROTOCOL, PI_WARN, "Bad TLV type", EXPFILL}}, + }; + + static gint *ett[] = { + &ett_docsis_type51ucd, + &ett_docsis_type51tlv, + &ett_docsis_type51_burst_tlv, + }; + + expert_module_t* expert_docsis_type51ucd; + + proto_docsis_type51ucd = + proto_register_protocol ("DOCSIS Upstream Channel Descriptor Type 51", + "DOCSIS type51ucd", "docsis_type51ucd"); + + proto_register_field_array (proto_docsis_type51ucd, hf, array_length (hf)); + proto_register_subtree_array (ett, array_length (ett)); + expert_docsis_type51ucd = expert_register_protocol(proto_docsis_type51ucd); + expert_register_field_array(expert_docsis_type51ucd, ei, array_length(ei)); + + register_dissector ("docsis_type51ucd", dissect_type51ucd, proto_docsis_type51ucd); +} + +void +proto_reg_handoff_docsis_type51ucd (void) +{ + dissector_handle_t docsis_type51ucd_handle; + + docsis_type51ucd_handle = find_dissector ("docsis_type51ucd"); + dissector_add_uint ("docsis_mgmt", 0x33, docsis_type51ucd_handle); +} + +/* + * Editor modelines - http://www.wireshark.org/tools/modelines.html + * + * Local Variables: + * c-basic-offset: 2 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * ex: set shiftwidth=2 tabstop=8 expandtab: + * :indentSize=2:tabSize=8:noTabs=true: + */ |