From 61082a22030e6391c8e9337f25e750a6d71d3811 Mon Sep 17 00:00:00 2001 From: AdrianSimionov Date: Wed, 18 Nov 2015 22:28:07 +0100 Subject: [docsis->type35ucd] Add support for type 35 UCD message. * Added support for TLV 20 * Added support for TLV 21 * Added support for TLV 22 * exceptions.h not needed compared to packet-ucd.c and packet-type29ucd.c * value_string iuc_vals3 became static const compared to packet-ucd.c and packet-type29ucd.c * if(tree) was removed to allow usage of expert on TLV length * HEX crafted packet capture in Bug 11745 Bug: 11745 Change-Id: If21a44cf26941468747772cefffe29bafacb1c7c Reviewed-on: https://code.wireshark.org/review/11956 Reviewed-by: Michael Mann Petri-Dish: Michael Mann Tested-by: Petri Dish Buildbot Reviewed-by: Anders Broman --- plugins/docsis/CMakeLists.txt | 1 + plugins/docsis/Makefile.common | 1 + plugins/docsis/packet-type35ucd.c | 1184 +++++++++++++++++++++++++++++++++++++ 3 files changed, 1186 insertions(+) create mode 100644 plugins/docsis/packet-type35ucd.c (limited to 'plugins') diff --git a/plugins/docsis/CMakeLists.txt b/plugins/docsis/CMakeLists.txt index 73b9ea76fb..48c1089a4f 100644 --- a/plugins/docsis/CMakeLists.txt +++ b/plugins/docsis/CMakeLists.txt @@ -66,6 +66,7 @@ set(DISSECTOR_SRC packet-tlv.c packet-tlv-cmctrl.c packet-type29ucd.c + packet-type35ucd.c packet-uccreq.c packet-uccrsp.c packet-ucd.c diff --git a/plugins/docsis/Makefile.common b/plugins/docsis/Makefile.common index 8849d1e575..4e112c169c 100644 --- a/plugins/docsis/Makefile.common +++ b/plugins/docsis/Makefile.common @@ -66,6 +66,7 @@ NONGENERATED_REGISTER_C_FILES = \ packet-tlv.c \ packet-tlv-cmctrl.c \ packet-type29ucd.c \ + packet-type35ucd.c \ packet-uccreq.c \ packet-uccrsp.c \ packet-ucd.c \ diff --git a/plugins/docsis/packet-type35ucd.c b/plugins/docsis/packet-type35ucd.c new file mode 100644 index 0000000000..b31be93a0b --- /dev/null +++ b/plugins/docsis/packet-type35ucd.c @@ -0,0 +1,1184 @@ +/* packet-type35ucd.c + * + * Routines for Type 35 UCD - DOCSIS 3.0 only - Message dissection + * Copyright 2015, Adrian Simionov + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * 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 +#include + +#define type35ucd_SYMBOL_RATE 1 +#define type35ucd_FREQUENCY 2 +#define type35ucd_PREAMBLE 3 +#define type35ucd_BURST_DESCR5 5 +#define type35ucd_EXT_PREAMBLE 6 +#define type35ucd_SCDMA_MODE_ENABLE 7 +#define type35ucd_SCDMA_SPREADING_INTERVAL 8 +#define type35ucd_SCDMA_CODES_PER_MINI_SLOT 9 +#define type35ucd_SCDMA_ACTIVE_CODES 10 +#define type35ucd_SCDMA_CODE_HOPPING_SEED 11 +#define type35ucd_SCDMA_US_RATIO_NUM 12 +#define type35ucd_SCDMA_US_RATIO_DENOM 13 +#define type35ucd_SCDMA_TIMESTAMP_SNAPSHOT 14 +#define type35ucd_MAINTAIN_POWER_SPECTRAL_DENSITY 15 +#define type35ucd_RANGING_REQUIRED 16 +#define type35ucd_MAX_SCHEDULED_CODES 17 +#define type35ucd_RANGING_HOLD_OFF_PRIORITY_FIELD 18 +#define type35ucd_RANGING_CHANNEL_CLASS_ID 19 +#define type35ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING 20 +#define type35ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES 21 +#define type35ucd_HIGHER_UCD_FOR_SAME_UCID 22 + +#define type35ucd_MODULATION 1 +#define type35ucd_DIFF_ENCODING 2 +#define type35ucd_PREAMBLE_LEN 3 +#define type35ucd_PREAMBLE_VAL_OFF 4 +#define type35ucd_FEC 5 +#define type35ucd_FEC_CODEWORD 6 +#define type35ucd_SCRAMBLER_SEED 7 +#define type35ucd_MAX_BURST 8 +#define type35ucd_GUARD_TIME 9 +#define type35ucd_LAST_CW_LEN 10 +#define type35ucd_SCRAMBLER_ONOFF 11 +#define type35ucd_RS_INT_DEPTH 12 +#define type35ucd_RS_INT_BLOCK 13 +#define type35ucd_PREAMBLE_TYPE 14 +#define type35ucd_SCMDA_SCRAMBLER_ONOFF 15 +#define type35ucd_SCDMA_CODES_PER_SUBFRAME 16 +#define type35ucd_SCDMA_FRAMER_INT_STEP_SIZE 17 +#define type35ucd_TCM_ENABLED 18 + +#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_type35ucd(void); +void proto_reg_handoff_docsis_type35ucd(void); + +/* Initialize the protocol and registered fields */ +static int proto_docsis_type35ucd = -1; + +static int hf_docsis_type35ucd_upstream_chid = -1; +static int hf_docsis_type35ucd_config_ch_cnt = -1; +static int hf_docsis_type35ucd_mini_slot_size = -1; +static int hf_docsis_type35ucd_down_chid = -1; +static int hf_docsis_type35ucd_type = -1; +static int hf_docsis_type35ucd_length = -1; +static int hf_docsis_type35ucd_burst_type = -1; +static int hf_docsis_type35ucd_burst_length = -1; +static int hf_docsis_type35ucd_symbol_rate = -1; +static int hf_docsis_type35ucd_frequency = -1; +static int hf_docsis_type35ucd_preamble_pat = -1; +static int hf_docsis_type35ucd_iuc = -1; +static int hf_docsis_type35ucd_ext_preamble = -1; +static int hf_docsis_type35ucd_scdma_mode_enable = -1; +static int hf_docsis_type35ucd_scdma_spreading_interval = -1; +static int hf_docsis_type35ucd_scdma_codes_per_mini_slot = -1; +static int hf_docsis_type35ucd_scdma_active_codes = -1; +static int hf_docsis_type35ucd_scdma_code_hopping_seed = -1; +static int hf_docsis_type35ucd_scdma_us_ratio_num = -1; +static int hf_docsis_type35ucd_scdma_us_ratio_denom = -1; +static int hf_docsis_type35ucd_scdma_timestamp_snapshot = -1; +static int hf_docsis_type35ucd_maintain_power_spectral_density = -1; +static int hf_docsis_type35ucd_ranging_required = -1; +static int hf_docsis_type35ucd_rnghoff_cm = -1; +static int hf_docsis_type35ucd_rnghoff_erouter = -1; +static int hf_docsis_type35ucd_rnghoff_emta = -1; +static int hf_docsis_type35ucd_rnghoff_estb = -1; +static int hf_docsis_type35ucd_rnghoff_rsvd = -1; +static int hf_docsis_type35ucd_rnghoff_id_ext = -1; +static int hf_docsis_type35ucd_chan_class_id_cm = -1; +static int hf_docsis_type35ucd_chan_class_id_erouter = -1; +static int hf_docsis_type35ucd_chan_class_id_emta = -1; +static int hf_docsis_type35ucd_chan_class_id_estb = -1; +static int hf_docsis_type35ucd_chan_class_id_rsvd = -1; +static int hf_docsis_type35ucd_chan_class_id_id_ext = -1; +static int hf_docsis_type35ucd_max_scheduled_codes = -1; +static int hf_docsis_type35ucd_active_code_hopping = -1; +static int hf_docsis_type35ucd_higher_ucd_for_same_ucid = -1; +static int hf_docsis_type35ucd_higher_ucd_for_same_ucid_resv = -1; +static int hf_docsis_type35ucd_scdma_selection_active_codes = -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 expert_field ei_docsis_type35ucd_tlvlen_bad = EI_INIT; +static expert_field ei_docsis_type35ucd_tlvtype_bad = EI_INIT; + +/* Initialize the subtree pointers */ +static gint ett_docsis_type35ucd = -1; +static gint ett_docsis_type35tlv = -1; +static gint ett_docsis_type35_burst_tlv = -1; + +static const value_string channel_tlv_vals[] _U_ = { + {type35ucd_SYMBOL_RATE, "Symbol Rate"}, + {type35ucd_FREQUENCY, "Frequency"}, + {type35ucd_PREAMBLE, "Preamble Pattern"}, + {type35ucd_BURST_DESCR5, "Burst Descriptor Type 5"}, + {type35ucd_EXT_PREAMBLE, "Extended Preamble Pattern"}, + {type35ucd_SCDMA_MODE_ENABLE, "SCDMA Mode Enabled"}, + {type35ucd_SCDMA_SPREADING_INTERVAL, "SCDMA Spreading Intervals per Frame"}, + {type35ucd_SCDMA_CODES_PER_MINI_SLOT, "SCDMA Codes per Mini-slot"}, + {type35ucd_SCDMA_ACTIVE_CODES, "SCDMA Number of Active Codes"}, + {type35ucd_SCDMA_CODE_HOPPING_SEED, "SCDMA Code Hopping Seed"}, + {type35ucd_SCDMA_US_RATIO_NUM, "SCDMA US ratio numerator M"}, + {type35ucd_SCDMA_US_RATIO_DENOM, "SCDMA US ratio denominator N"}, + {type35ucd_SCDMA_TIMESTAMP_SNAPSHOT, "SCDMA Timestamp Snapshot"}, + {type35ucd_MAINTAIN_POWER_SPECTRAL_DENSITY, "Maintain Power Spectral Density"}, + {type35ucd_RANGING_REQUIRED, "Ranging Required"}, + {type35ucd_MAX_SCHEDULED_CODES, "S-CDMA Maximum Scheduled Codes"}, + {type35ucd_RANGING_HOLD_OFF_PRIORITY_FIELD, "Ranging Hold-Off Priority Field"}, + {type35ucd_RANGING_CHANNEL_CLASS_ID, "Ranging Channel Class ID"}, + {type35ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING, "S-CDMA Selection Mode for Active Codes and Code Hopping"}, + {type35ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES, "S-CDMA Selection String for Active Codes"}, + {type35ucd_HIGHER_UCD_FOR_SAME_UCID, "Higher UCD for the same UCID present bitmap"}, + {0, NULL} +}; + +static const value_string burst_tlv_vals[] = { + {type35ucd_MODULATION, "Modulation Type"}, + {type35ucd_DIFF_ENCODING, "Differential Encoding"}, + {type35ucd_PREAMBLE_LEN, "Preamble Length"}, + {type35ucd_PREAMBLE_VAL_OFF, "Preamble Value Offset"}, + {type35ucd_FEC, "FEC Error Correction (T)"}, + {type35ucd_FEC_CODEWORD, "FEC Codeword Information Bytes (k)"}, + {type35ucd_SCRAMBLER_SEED, "Scrambler Seed"}, + {type35ucd_MAX_BURST, "Maximum Burst Size"}, + {type35ucd_GUARD_TIME, "Guard Time Size"}, + {type35ucd_LAST_CW_LEN, "Last Codeword Length"}, + {type35ucd_SCRAMBLER_ONOFF, "Scrambler on/off"}, + {type35ucd_RS_INT_DEPTH, "R-S Interleaver Depth (Ir)"}, + {type35ucd_RS_INT_BLOCK, "R-S Interleaver Block Size (Br)"}, + {type35ucd_PREAMBLE_TYPE, "Preamble Type"}, + {type35ucd_SCMDA_SCRAMBLER_ONOFF, "S-CDMA Spreader on/off"}, + {type35ucd_SCDMA_CODES_PER_SUBFRAME, "S-CDMA Codes per Subframe"}, + {type35ucd_SCDMA_FRAMER_INT_STEP_SIZE, "S-CDMA Framer Interleaving Step Size"}, + {type35ucd_TCM_ENABLED, "TCM Encoding"}, + {0, NULL} +}; + +static const value_string on_off_vals[] = { + {1, "On"}, + {2, "Off"}, + {0, NULL} +}; + +const true_false_string type35ucd_tfs_allow_inhibit = { "Inhibit Initial Ranging", + "Ranging Allowed" }; + +const true_false_string type35ucd_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 type35ucd_tfs_present_not_present = { "UCD35 is present for this UCID", + "UCD35 is not present for this UCID" }; + +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} +}; + +/* Dissection */ +static int +dissect_type35ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) +{ + guint16 pos, endtlvpos; + guint8 type, length; + guint8 tlvlen, tlvtype; + proto_tree *type35ucd_burst_tree; + proto_item *type35ucd_burst_item; + proto_tree *type35ucd_tree; + proto_item *type35ucd_item; + proto_tree *type35tlv_tree; + proto_item *type35tlv_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 35 UCD Message: Channel ID = %u (U%u)", upchid, + upchid - 1); + else + col_add_fstr (pinfo->cinfo, COL_INFO, + "Type 35 UCD Message: Channel ID = %u (Telephony Return)", + upchid); + + type35ucd_item = + proto_tree_add_protocol_format (tree, proto_docsis_type35ucd, tvb, 0, + tvb_captured_length(tvb), + "UCD Message (Type 35)"); + type35ucd_tree = proto_item_add_subtree (type35ucd_item, ett_docsis_type35ucd); + proto_tree_add_item (type35ucd_tree, hf_docsis_type35ucd_upstream_chid, tvb, 0, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type35ucd_tree, hf_docsis_type35ucd_config_ch_cnt, tvb, 1, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type35ucd_tree, hf_docsis_type35ucd_mini_slot_size, tvb, 2, 1, + ENC_BIG_ENDIAN); + proto_tree_add_item (type35ucd_tree, hf_docsis_type35ucd_down_chid, tvb, 3, 1, + ENC_BIG_ENDIAN); + + pos = 4; + while (pos < len) + { + type = tvb_get_guint8 (tvb, pos); + type35tlv_tree = proto_tree_add_subtree(type35ucd_tree, tvb, pos, -1, + ett_docsis_type35tlv, &type35tlv_item, + val_to_str(type, channel_tlv_vals, + "Unknown TLV (%u)")); + proto_tree_add_uint (type35tlv_tree, hf_docsis_type35ucd_type, + tvb, pos, 1, type); + pos++; + length = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type35tlv_tree, hf_docsis_type35ucd_length, + tvb, pos, 1, length); + pos++; + proto_item_set_len(type35tlv_item, length + 2); + switch (type) + { + case type35ucd_SYMBOL_RATE: + if (length == 1) + { + symrate = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type35tlv_tree, hf_docsis_type35ucd_symbol_rate, + tvb, pos, length, symrate * 160); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_FREQUENCY: + if (length == 4) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_frequency, tvb, + pos, length, ENC_BIG_ENDIAN); + pos = pos + length; + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_PREAMBLE: + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_preamble_pat, tvb, + pos, length, ENC_NA); + pos = pos + length; + break; + case type35ucd_EXT_PREAMBLE: + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_ext_preamble, tvb, + pos, length, ENC_NA); + pos = pos + length; + break; + case type35ucd_SCDMA_MODE_ENABLE: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_mode_enable, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_SPREADING_INTERVAL: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_spreading_interval, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_CODES_PER_MINI_SLOT: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_codes_per_mini_slot, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_ACTIVE_CODES: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_active_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_CODE_HOPPING_SEED: + if (length == 2) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_code_hopping_seed, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_US_RATIO_NUM: + if (length == 2) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_us_ratio_num, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_US_RATIO_DENOM: + if (length == 2) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_us_ratio_denom, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_TIMESTAMP_SNAPSHOT: + if (length == 9) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_timestamp_snapshot, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_MAINTAIN_POWER_SPECTRAL_DENSITY: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_maintain_power_spectral_density, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_RANGING_REQUIRED: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_ranging_required, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_MAX_SCHEDULED_CODES: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_max_scheduled_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_RANGING_HOLD_OFF_PRIORITY_FIELD: + if (length == 4) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_cm, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_erouter, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_emta, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_estb, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_rsvd, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_rnghoff_id_ext, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_RANGING_CHANNEL_CLASS_ID: + if (length == 4) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_cm, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_erouter, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_emta, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_estb, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_rsvd, tvb, + pos, length, ENC_BIG_ENDIAN); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_chan_class_id_id_ext, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_active_code_hopping, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES: + if (length == 16) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_scdma_selection_active_codes, + tvb, pos, length, ENC_NA); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_HIGHER_UCD_FOR_SAME_UCID: + if (length == 1) + { + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_higher_ucd_for_same_ucid, + tvb, pos, length, ENC_NA); + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_higher_ucd_for_same_ucid_resv, tvb, + pos, length, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + pos = pos + length; + break; + case type35ucd_BURST_DESCR5: + proto_tree_add_item (type35tlv_tree, hf_docsis_type35ucd_iuc, tvb, + pos++, 1, ENC_BIG_ENDIAN); + endtlvpos = pos + length - 1; + while (pos < endtlvpos) + { + tlvtype = tvb_get_guint8 (tvb, pos); + type35ucd_burst_tree = proto_tree_add_subtree (type35tlv_tree, tvb, pos, -1, + ett_docsis_type35_burst_tlv, &type35ucd_burst_item, + val_to_str(tlvtype, burst_tlv_vals, + "Unknown TLV (%u)")); + proto_tree_add_uint (type35ucd_burst_tree, hf_docsis_type35ucd_burst_type, tvb, pos, 1, tlvtype); + pos++; + tlvlen = tvb_get_guint8 (tvb, pos); + proto_tree_add_uint (type35ucd_burst_tree, hf_docsis_type35ucd_burst_length, tvb, pos, 1, tlvlen); + pos++; + proto_item_set_len(type35ucd_burst_item, tlvlen + 2); + switch (tlvtype) + { + case type35ucd_MODULATION: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_mod_type, tvb, + pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_DIFF_ENCODING: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_diff_encoding, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_PREAMBLE_LEN: + if (tlvlen == 2) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_preamble_len, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_PREAMBLE_VAL_OFF: + if (tlvlen == 2) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_preamble_val_off, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_FEC: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_fec, tvb, pos, + tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_FEC_CODEWORD: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_fec_codeword, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_SCRAMBLER_SEED: + if (tlvlen == 2) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_scrambler_seed, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_MAX_BURST: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_max_burst, tvb, + pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_GUARD_TIME: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_guard_time, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_LAST_CW_LEN: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_last_cw_len, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_SCRAMBLER_ONOFF: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_burst_scrambler_onoff, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_RS_INT_DEPTH: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_rs_int_depth, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_RS_INT_BLOCK: + if (tlvlen == 2) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_rs_int_block, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_PREAMBLE_TYPE: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_preamble_type, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_SCMDA_SCRAMBLER_ONOFF: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_scdma_scrambler_onoff, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_SCDMA_CODES_PER_SUBFRAME: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_scdma_codes_per_subframe, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_SCDMA_FRAMER_INT_STEP_SIZE: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_scdma_framer_int_step_size, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + case type35ucd_TCM_ENABLED: + if (tlvlen == 1) + { + proto_tree_add_item (type35ucd_burst_tree, + hf_docsis_tcm_enabled, + tvb, pos, tlvlen, ENC_BIG_ENDIAN); + } + else + { + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvlen_bad, "Wrong TLV length: %u", length); + } + break; + default: + expert_add_info_format(pinfo, type35ucd_burst_item, &ei_docsis_type35ucd_tlvtype_bad, "Unknown TLV type: %u", tlvtype); + } /* switch(tlvtype) */ + pos = pos + tlvlen; + } /* while (pos < endtlvpos) */ + break; + default: + expert_add_info_format(pinfo, type35tlv_item, &ei_docsis_type35ucd_tlvtype_bad, "Unknown TLV type: %u", type); + pos = pos + length; + } /* switch(type) */ + } /* while (pos < len) */ + return len; +} + +/* Register the protocol with Wireshark */ +void +proto_register_docsis_type35ucd (void) +{ + static hf_register_info hf[] = { + {&hf_docsis_type35ucd_upstream_chid, + {"Upstream Channel ID", "docsis_type35ucd.upchid", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_config_ch_cnt, + {"Config Change Count", "docsis_type35ucd.confcngcnt", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Configuration Change Count", HFILL} + }, + {&hf_docsis_type35ucd_mini_slot_size, + {"Mini Slot Size (6.25us TimeTicks)", "docsis_type35ucd.mslotsize", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_down_chid, + {"Downstream Channel ID", "docsis_type35ucd.downchid", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Management Message", HFILL} + }, + {&hf_docsis_type35ucd_type, + {"Type", "docsis_type35ucd.type", + FT_UINT8, BASE_DEC, VALS(channel_tlv_vals), 0x0, + "Channel TLV type", HFILL} + }, + {&hf_docsis_type35ucd_length, + {"Length", "docsis_type35ucd.length", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Channel TLV length", HFILL} + }, + {&hf_docsis_type35ucd_burst_type, + {"Type", "docsis_type35ucd.burst.tlvtype", + FT_UINT8, BASE_DEC, VALS(burst_tlv_vals), 0x0, + "Burst TLV type", HFILL} + }, + {&hf_docsis_type35ucd_burst_length, + {"Length", "docsis_type35ucd.burst.tlvlen", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Burst TLV length", HFILL} + }, + {&hf_docsis_type35ucd_symbol_rate, + {"Symbol Rate (ksym/sec)", "docsis_type35ucd.symrate", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Symbol Rate", HFILL} + }, + {&hf_docsis_type35ucd_frequency, + {"Frequency (Hz)", "docsis_type35ucd.freq", + FT_UINT32, BASE_DEC, NULL, 0x0, + "Upstream Center Frequency", HFILL} + }, + {&hf_docsis_type35ucd_preamble_pat, + {"Preamble Pattern", "docsis_type35ucd.preamble", + FT_BYTES, BASE_NONE, NULL, 0x0, + "Preamble Superstring", HFILL} + }, + {&hf_docsis_type35ucd_iuc, + {"Interval Usage Code", "docsis_type35ucd.iuc", + FT_UINT8, BASE_DEC, VALS (iuc_vals3), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_mod_type, + {"Modulation Type", "docsis_type35ucd.burst.modtype", + FT_UINT8, BASE_DEC, VALS (mod_vals2), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_diff_encoding, + {"Differential Encoding", "docsis_type35ucd.burst.diffenc", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_preamble_len, + {"Preamble Length (Bits)", "docsis_type35ucd.burst.preamble_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_preamble_val_off, + {"Preamble Offset (Bits)", "docsis_type35ucd.burst.preamble_off", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_fec, + {"FEC (T)", "docsis_type35ucd.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_type35ucd.burst.fec_codeword", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_scrambler_seed, + {"Scrambler Seed", "docsis_type35ucd.burst.scrambler_seed", + FT_UINT16, BASE_HEX, NULL, 0x0, + "Burst Descriptor", HFILL} + }, + {&hf_docsis_burst_max_burst, + {"Max Burst Size (Minislots)", "docsis_type35ucd.burst.maxburst", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_burst_guard_time, + {"Guard Time Size (Symbol Times)", "docsis_type35ucd.burst.guardtime", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Guard Time Size", HFILL} + }, + {&hf_docsis_burst_last_cw_len, + {"Last Codeword Length", "docsis_type35ucd.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_type35ucd.burst.scrambleronoff", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_ext_preamble, + {"Extended Preamble Pattern", "docsis_type35ucd.extpreamble", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_mode_enable, + {"SCDMA Mode Enable", "docsis_type35ucd.scdmaenable", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_spreading_interval, + {"SCDMA Spreading Interval", "docsis_type35ucd.scdmaspreadinginterval", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_codes_per_mini_slot, + {"SCDMA Codes per mini slot", "docsis_type35ucd.scdmacodesperminislot", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_active_codes, + {"SCDMA Active Codes", "docsis_type35ucd.scdmaactivecodes", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_code_hopping_seed, + {"SCDMA Code Hopping Seed", "docsis_type35ucd.scdmacodehoppingseed", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_us_ratio_num, + {"SCDMA US Ratio Numerator", "docsis_type35ucd.scdmausrationum", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_us_ratio_denom, + {"SCDMA US Ratio Denominator", "docsis_type35ucd.scdmausratiodenom", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_scdma_timestamp_snapshot, + {"SCDMA Timestamp Snapshot", "docsis_type35ucd.scdmatimestamp", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_maintain_power_spectral_density, + {"Maintain power spectral density", "docsis_type35ucd.maintainpowerspectraldensity", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_ranging_required, + {"Ranging Required", "docsis_type35ucd.rangingrequired", + FT_BYTES, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_cm, + {"Ranging Hold-Off (CM)","docsis_type35ucd.rnghoffcm", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_allow_inhibit), 0x1, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_erouter, + {"Ranging Hold-Off (eRouter)", + "docsis_type35ucd.rnghofferouter", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_allow_inhibit), 0x2, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_emta, + {"Ranging Hold-Off (eMTA or EDVA)", + "docsis_type35ucd.rnghoffemta", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_allow_inhibit), 0x4, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_estb, + {"Ranging Hold-Off (DSG/eSTB)", + "docsis_type35ucd.rnghoffestb", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_allow_inhibit), 0x8, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_rsvd, + {"Reserved [0x000000]", + "docsis_type35ucd.rnghoffrsvd", + FT_UINT32, BASE_HEX, NULL, 0xFFF0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_rnghoff_id_ext, + {"CM Ranging Class ID Extension", + "docsis_type35ucd.rngidext", + FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_cm, + {"Channel Class ID (CM)","docsis_type35ucd.classidcm", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_inhibit_allow), 0x1, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_erouter, + {"Channel Class ID (eRouter)", + "docsis_type35ucd.classiderouter", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_inhibit_allow), 0x2, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_emta, + {"Channel Class ID (eMTA or EDVA)", + "docsis_type35ucd.classidemta", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_inhibit_allow), 0x4, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_estb, + {"Channel Class ID (DSG/eSTB)", + "docsis_type35ucd.classidestb", + FT_BOOLEAN, 32, TFS(&type35ucd_tfs_inhibit_allow), 0x8, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_rsvd, + {"Reserved [0x000000]", + "docsis_type35ucd.classidrsvd", + FT_UINT32, BASE_HEX, NULL, 0xFFF0, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_chan_class_id_id_ext, + {"CM Ranging Class ID Extension", + "docsis_type35ucd.classidext", + FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_active_code_hopping, + {"S-CDMA Selection Mode for Active Codes and Code Hopping", "docsis_type35ucd.selectcodehop", + FT_UINT8, BASE_DEC, VALS (tlv20_vals), 0x0, + "SCDMA Selection Mode for Active Codes and Code Hopping", HFILL} + }, + {&hf_docsis_type35ucd_scdma_selection_active_codes, + {"S-CDMA Selection String for Active Codes", "docsis_type35ucd.selectcode", + FT_BYTES, BASE_NONE, NULL, 0x0, + "SCDMA Selection String for Active Codes", HFILL} + }, + {&hf_docsis_type35ucd_higher_ucd_for_same_ucid, + {"Higher UCD for the same UCID", "docsis_type35ucd.highucdpresent", + FT_BOOLEAN, 8, TFS(&type35ucd_tfs_present_not_present), 0x1, + "Higher UCD for the same UCID present bitmap", HFILL} + }, + {&hf_docsis_type35ucd_higher_ucd_for_same_ucid_resv, + {"Reserved", "docsis_type35ucd.highucdresv", + FT_UINT8, BASE_HEX, NULL, 0xFE, + NULL, HFILL} + }, + {&hf_docsis_type35ucd_max_scheduled_codes, + {"S-CDMA Max Scheduled Codes", "docsis_type35ucd.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_type35ucd.burst.rsintdepth", + FT_UINT8, BASE_DEC, NULL, 0x0, + "R-S Interleaver Depth", HFILL} + }, + {&hf_docsis_rs_int_block, + {"Scrambler On/Off", "docsis_type35ucd.burst.rsintblock", + FT_UINT8, BASE_DEC, NULL, 0x0, + "R-S Interleaver Block", HFILL} + }, + {&hf_docsis_preamble_type, + {"Scrambler On/Off", "docsis_type35ucd.burst.preambletype", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Preamble Type", HFILL} + }, + {&hf_docsis_scdma_scrambler_onoff, + {"Scrambler On/Off", "docsis_type35ucd.burst.scdmascrambleronoff", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + "SCDMA Scrambler On/Off", HFILL} + }, + {&hf_docsis_scdma_codes_per_subframe, + {"Scrambler On/Off", "docsis_type35ucd.burst.scdmacodespersubframe", + FT_UINT8, BASE_DEC, NULL, 0x0, + "SCDMA Codes per Subframe", HFILL} + }, + {&hf_docsis_scdma_framer_int_step_size, + {"Scrambler On/Off", "docsis_type35ucd.burst.scdmaframerintstepsize", + FT_UINT8, BASE_DEC, NULL, 0x0, + "SCDMA Framer Interleaving Step Size", HFILL} + }, + {&hf_docsis_tcm_enabled, + {"Scrambler On/Off", "docsis_type35ucd.burst.tcmenabled", + FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, + "TCM Enabled", HFILL} + }, + }; + + static ei_register_info ei[] = { + {&ei_docsis_type35ucd_tlvlen_bad, {"docsis_type35ucd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, + {&ei_docsis_type35ucd_tlvtype_bad, {"docsis_type35ucd.tlvtypebad", PI_PROTOCOL, PI_WARN, "Bad TLV type", EXPFILL}}, + }; + + static gint *ett[] = { + &ett_docsis_type35ucd, + &ett_docsis_type35tlv, + &ett_docsis_type35_burst_tlv, + }; + + expert_module_t* expert_docsis_type35ucd; + + proto_docsis_type35ucd = + proto_register_protocol ("DOCSIS Upstream Channel Descriptor Type 35", + "DOCSIS type35ucd", "docsis_type35ucd"); + + proto_register_field_array (proto_docsis_type35ucd, hf, array_length (hf)); + proto_register_subtree_array (ett, array_length (ett)); + expert_docsis_type35ucd = expert_register_protocol(proto_docsis_type35ucd); + expert_register_field_array(expert_docsis_type35ucd, ei, array_length(ei)); + + new_register_dissector ("docsis_type35ucd", dissect_type35ucd, proto_docsis_type35ucd); +} + +void +proto_reg_handoff_docsis_type35ucd (void) +{ + dissector_handle_t docsis_type35ucd_handle; + + docsis_type35ucd_handle = find_dissector ("docsis_type35ucd"); + dissector_add_uint ("docsis_mgmt", 0x23, docsis_type35ucd_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: + */ -- cgit v1.2.3