forked from osmocom/wireshark
1551 lines
60 KiB
C
1551 lines
60 KiB
C
/* packet-type51ucd.c
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*
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* Routines for Type 51 UCD - DOCSIS 3.1 only - Message dissection
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* Copyright 2016, Bruno Verstuyft <bruno.verstuyft@excentis.com>
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* Based on packet-type35ucd.c (Copyright 2015, Adrian Simionov <daniel.simionov@gmail.com>)
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/expert.h>
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#define type51ucd_SYMBOL_RATE 1
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#define type51ucd_FREQUENCY 2
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#define type51ucd_PREAMBLE 3
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#define type51ucd_EXT_PREAMBLE 6
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#define type51ucd_SCDMA_MODE_ENABLE 7
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#define type51ucd_SCDMA_SPREADING_INTERVAL 8
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#define type51ucd_SCDMA_CODES_PER_MINI_SLOT 9
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#define type51ucd_SCDMA_ACTIVE_CODES 10
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#define type51ucd_SCDMA_CODE_HOPPING_SEED 11
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#define type51ucd_SCDMA_US_RATIO_NUM 12
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#define type51ucd_SCDMA_US_RATIO_DENOM 13
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#define type51ucd_SCDMA_TIMESTAMP_SNAPSHOT 14
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#define type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY 15
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#define type51ucd_RANGING_REQUIRED 16
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#define type51ucd_MAX_SCHEDULED_CODES 17
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#define type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD 18
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#define type51ucd_RANGING_CHANNEL_CLASS_ID 19
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#define type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING 20
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#define type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES 21
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#define type51ucd_HIGHER_UCD_FOR_SAME_UCID 22
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#define type51ucd_BURST_DESCR23 23
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#define type51ucd_UCD_CHANGE_IND_BITMASK 24
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#define type51ucd_OFDMA_TIMESTAMP_SNAPSHOT 25
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#define type51ucd_OFDMA_CYCLIC_PREFIX_SIZE 26
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#define type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE 27
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#define type51ucd_SUBCARRIER_SPACING 28
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#define type51ucd_CENTER_FREQ_SUBC_0 29
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#define type51ucd_SUBC_EXCL_BAND 30
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#define type51ucd_UNUSED_SUBC_SPEC 31
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#define type51ucd_SYMB_IN_OFDMA_FRAME 32
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#define type51ucd_RAND_SEED 33
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#define type51ucd_MODULATION 1
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#define type51ucd_DIFF_ENCODING 2
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#define type51ucd_PREAMBLE_LEN 3
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#define type51ucd_PREAMBLE_VAL_OFF 4
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#define type51ucd_FEC 5
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#define type51ucd_FEC_CODEWORD 6
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#define type51ucd_SCRAMBLER_SEED 7
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#define type51ucd_MAX_BURST 8
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#define type51ucd_GUARD_TIME 9
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#define type51ucd_LAST_CW_LEN 10
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#define type51ucd_SCRAMBLER_ONOFF 11
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#define type51ucd_RS_INT_DEPTH 12
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#define type51ucd_RS_INT_BLOCK 13
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#define type51ucd_PREAMBLE_TYPE 14
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#define type51ucd_SCMDA_SCRAMBLER_ONOFF 15
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#define type51ucd_SCDMA_CODES_PER_SUBFRAME 16
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#define type51ucd_SCDMA_FRAMER_INT_STEP_SIZE 17
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#define type51ucd_TCM_ENABLED 18
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#define type51ucd_SUBC_INIT_RANG 19
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#define type51ucd_SUBC_FINE_RANG 20
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#define type51ucd_OFDMA_PROFILE 21
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#define type51ucd_OFDMA_IR_POWER_CONTROL 22
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#define IUC_REQUEST 1
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#define IUC_REQ_DATA 2
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#define IUC_INIT_MAINT 3
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#define IUC_STATION_MAINT 4
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#define IUC_SHORT_DATA_GRANT 5
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#define IUC_LONG_DATA_GRANT 6
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#define IUC_NULL_IE 7
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#define IUC_DATA_ACK 8
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#define IUC_ADV_PHY_SHORT_DATA_GRANT 9
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#define IUC_ADV_PHY_LONG_DATA_GRANT 10
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#define IUC_ADV_PHY_UGS 11
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#define IUC_RESERVED12 12
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#define IUC_RESERVED13 13
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#define IUC_RESERVED14 14
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#define IUC_EXPANSION 15
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void proto_register_docsis_type51ucd(void);
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void proto_reg_handoff_docsis_type51ucd(void);
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/* Initialize the protocol and registered fields */
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static int proto_docsis_type51ucd = -1;
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static int hf_docsis_type51ucd_upstream_chid = -1;
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static int hf_docsis_type51ucd_config_ch_cnt = -1;
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static int hf_docsis_type51ucd_mini_slot_size = -1;
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static int hf_docsis_type51ucd_down_chid = -1;
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static int hf_docsis_type51ucd_type = -1;
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static int hf_docsis_type51ucd_length = -1;
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static int hf_docsis_type51ucd_burst_type = -1;
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static int hf_docsis_type51ucd_burst_length = -1;
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static int hf_docsis_type51ucd_symbol_rate = -1;
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static int hf_docsis_type51ucd_frequency = -1;
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static int hf_docsis_type51ucd_preamble_pat = -1;
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static int hf_docsis_type51ucd_iuc = -1;
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static int hf_docsis_type51ucd_ext_preamble = -1;
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static int hf_docsis_type51ucd_scdma_mode_enable = -1;
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static int hf_docsis_type51ucd_scdma_spreading_interval = -1;
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static int hf_docsis_type51ucd_scdma_codes_per_mini_slot = -1;
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static int hf_docsis_type51ucd_scdma_active_codes = -1;
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static int hf_docsis_type51ucd_scdma_code_hopping_seed = -1;
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static int hf_docsis_type51ucd_scdma_us_ratio_num = -1;
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static int hf_docsis_type51ucd_scdma_us_ratio_denom = -1;
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static int hf_docsis_type51ucd_scdma_timestamp_snapshot = -1;
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static int hf_docsis_type51ucd_maintain_power_spectral_density = -1;
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static int hf_docsis_type51ucd_ranging_required = -1;
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static int hf_docsis_type51ucd_rnghoff_cm = -1;
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static int hf_docsis_type51ucd_rnghoff_erouter = -1;
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static int hf_docsis_type51ucd_rnghoff_emta = -1;
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static int hf_docsis_type51ucd_rnghoff_estb = -1;
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static int hf_docsis_type51ucd_rnghoff_rsvd = -1;
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static int hf_docsis_type51ucd_rnghoff_id_ext = -1;
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static int hf_docsis_type51ucd_chan_class_id_cm = -1;
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static int hf_docsis_type51ucd_chan_class_id_erouter = -1;
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static int hf_docsis_type51ucd_chan_class_id_emta = -1;
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static int hf_docsis_type51ucd_chan_class_id_estb = -1;
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static int hf_docsis_type51ucd_chan_class_id_rsvd = -1;
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static int hf_docsis_type51ucd_chan_class_id_id_ext = -1;
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static int hf_docsis_type51ucd_max_scheduled_codes = -1;
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static int hf_docsis_type51ucd_active_code_hopping = -1;
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static int hf_docsis_type51ucd_higher_ucd_for_same_ucid = -1;
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static int hf_docsis_type51ucd_higher_ucd_for_same_ucid_resv = -1;
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static int hf_docsis_type51ucd_scdma_selection_active_codes = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_subc_excl_band = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_unused_subc = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_other_subc = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc5 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc6 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc9 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc10 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc11 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc12 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc13 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_burst_attr_iuc3_or_4 = -1;
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static int hf_docsis_type51ucd_ucd_change_ind_bitmask_reserved = -1;
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static int hf_docsis_type51ucd_ofdma_timestamp_snapshot = -1;
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static int hf_docsis_type51ucd_ofdma_cyclic_prefix_size = -1;
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static int hf_docsis_type51ucd_ofdma_rolloff_period_size = -1;
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static int hf_docsis_type51ucd_subc_spacing = -1;
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static int hf_docsis_type51ucd_cent_freq_subc0 = -1;
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static int hf_docsis_type51ucd_subcarrier_range = -1;
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static int hf_docsis_type51ucd_symb_ofdma_frame = -1;
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static int hf_docsis_type51ucd_rand_seed = -1;
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static int hf_docsis_burst_mod_type = -1;
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static int hf_docsis_burst_diff_encoding = -1;
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static int hf_docsis_burst_preamble_len = -1;
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static int hf_docsis_burst_preamble_val_off = -1;
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static int hf_docsis_burst_fec = -1;
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static int hf_docsis_burst_fec_codeword = -1;
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static int hf_docsis_burst_scrambler_seed = -1;
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static int hf_docsis_burst_max_burst = -1;
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static int hf_docsis_burst_guard_time = -1;
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static int hf_docsis_burst_last_cw_len = -1;
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static int hf_docsis_burst_scrambler_onoff = -1;
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static int hf_docsis_rs_int_depth = -1;
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static int hf_docsis_rs_int_block = -1;
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static int hf_docsis_preamble_type = -1;
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static int hf_docsis_scdma_scrambler_onoff = -1;
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static int hf_docsis_scdma_codes_per_subframe = -1;
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static int hf_docsis_scdma_framer_int_step_size = -1;
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static int hf_docsis_tcm_enabled = -1;
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static int hf_docsis_subc_init_rang = -1;
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static int hf_docsis_subc_fine_rang = -1;
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static int hf_docsis_type51ucd_ofdma_prof_mod_order = -1;
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static int hf_docsis_type51ucd_ofdma_prof_pilot_pattern = -1;
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static int hf_docsis_type51ucd_ofdma_prof_num_add_minislots = -1;
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static int hf_docsis_ofdma_ir_pow_ctrl_start_pow = -1;
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static int hf_docsis_ofdma_ir_pow_ctrl_step_size = -1;
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static expert_field ei_docsis_type51ucd_tlvlen_bad = EI_INIT;
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static expert_field ei_docsis_type51ucd_tlvtype_bad = EI_INIT;
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/* Initialize the subtree pointers */
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static gint ett_docsis_type51ucd = -1;
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static gint ett_docsis_type51tlv = -1;
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static gint ett_docsis_type51_burst_tlv = -1;
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static dissector_handle_t docsis_type51ucd_handle;
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static const value_string channel_tlv_vals[] _U_ = {
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{type51ucd_SYMBOL_RATE, "Symbol Rate"},
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{type51ucd_FREQUENCY, "Frequency"},
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{type51ucd_PREAMBLE, "Preamble Pattern"},
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{type51ucd_EXT_PREAMBLE, "Extended Preamble Pattern"},
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{type51ucd_SCDMA_MODE_ENABLE, "SCDMA Mode Enabled"},
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{type51ucd_SCDMA_SPREADING_INTERVAL, "SCDMA Spreading Intervals per Frame"},
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{type51ucd_SCDMA_CODES_PER_MINI_SLOT, "SCDMA Codes per Mini-slot"},
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{type51ucd_SCDMA_ACTIVE_CODES, "SCDMA Number of Active Codes"},
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{type51ucd_SCDMA_CODE_HOPPING_SEED, "SCDMA Code Hopping Seed"},
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{type51ucd_SCDMA_US_RATIO_NUM, "SCDMA US ratio numera7tor M"},
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{type51ucd_SCDMA_US_RATIO_DENOM, "SCDMA US ratio denominator N"},
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{type51ucd_SCDMA_TIMESTAMP_SNAPSHOT, "SCDMA Timestamp Snapshot"},
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{type51ucd_MAINTAIN_POWER_SPECTRAL_DENSITY, "Maintain Power Spectral Density"},
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{type51ucd_RANGING_REQUIRED, "Ranging Required"},
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{type51ucd_MAX_SCHEDULED_CODES, "S-CDMA Maximum Scheduled Codes"},
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{type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD, "Ranging Hold-Off Priority Field"},
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{type51ucd_RANGING_CHANNEL_CLASS_ID, "Ranging Channel Class ID"},
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{type51ucd_SCDMA_SELECTION_ACTIVE_CODES_AND_CODE_HOPPING, "S-CDMA Selection Mode for Active Codes and Code Hopping"},
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{type51ucd_SCDMA_SELECTION_STRING_FOR_ACTIVE_CODES, "S-CDMA Selection String for Active Codes"},
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{type51ucd_HIGHER_UCD_FOR_SAME_UCID, "Higher UCD for the same UCID present bitmap"},
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{type51ucd_BURST_DESCR23, "Burst Descriptor Type 23"},
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{type51ucd_UCD_CHANGE_IND_BITMASK, "UCD Change Indicator Bitmask"},
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{type51ucd_OFDMA_TIMESTAMP_SNAPSHOT, "OFDMA Timestamp Snapshot"},
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{type51ucd_OFDMA_CYCLIC_PREFIX_SIZE, "OFDMA Cyclic Prefix Size"},
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{type51ucd_OFDMA_ROLLOFF_PERIOD_SIZE, "OFDMA Rolloff Period Size"},
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{type51ucd_SUBCARRIER_SPACING, "Subcarrier Spacing"},
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{type51ucd_CENTER_FREQ_SUBC_0, "Center Frequency of Subcarrier 0"},
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{type51ucd_SUBC_EXCL_BAND, "Subcarrier Exclusion Band"},
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{type51ucd_UNUSED_SUBC_SPEC, "Unused Subcarrier Specification"},
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{type51ucd_SYMB_IN_OFDMA_FRAME, "Symbols in OFDMA frame"},
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{type51ucd_RAND_SEED, "Randomization Seed"},
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{0, NULL}
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};
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static const value_string burst_tlv_vals[] = {
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{type51ucd_MODULATION, "Modulation Type"},
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{type51ucd_DIFF_ENCODING, "Differential Encoding"},
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{type51ucd_PREAMBLE_LEN, "Preamble Length"},
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{type51ucd_PREAMBLE_VAL_OFF, "Preamble Value Offset"},
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{type51ucd_FEC, "FEC Error Correction (T)"},
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{type51ucd_FEC_CODEWORD, "FEC Codeword Information Bytes (k)"},
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{type51ucd_SCRAMBLER_SEED, "Scrambler Seed"},
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{type51ucd_MAX_BURST, "Maximum Burst Size"},
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{type51ucd_GUARD_TIME, "Guard Time Size"},
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{type51ucd_LAST_CW_LEN, "Last Codeword Length"},
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{type51ucd_SCRAMBLER_ONOFF, "Scrambler on/off"},
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{type51ucd_RS_INT_DEPTH, "R-S Interleaver Depth (Ir)"},
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{type51ucd_RS_INT_BLOCK, "R-S Interleaver Block Size (Br)"},
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{type51ucd_PREAMBLE_TYPE, "Preamble Type"},
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{type51ucd_SCMDA_SCRAMBLER_ONOFF, "S-CDMA Spreader on/off"},
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{type51ucd_SCDMA_CODES_PER_SUBFRAME, "S-CDMA Codes per Subframe"},
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{type51ucd_SCDMA_FRAMER_INT_STEP_SIZE, "S-CDMA Framer Interleaving Step Size"},
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{type51ucd_TCM_ENABLED, "TCM Encoding"},
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{type51ucd_SUBC_INIT_RANG, "Subcarriers (Nir) Initial Ranging"},
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{type51ucd_SUBC_FINE_RANG, "Subcarriers (Nfr) Initial Ranging"},
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{type51ucd_OFDMA_PROFILE, "OFDMA Profile"},
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{0, NULL}
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};
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static const value_string on_off_vals[] = {
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{1, "On"},
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{2, "Off"},
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{0, NULL}
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};
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const true_false_string type51ucd_tfs_allow_inhibit = { "Inhibit Initial Ranging",
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"Ranging Allowed" };
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const true_false_string type51ucd_tfs_inhibit_allow = { "Ranging Allowed",
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"Inhibit Initial Ranging" };
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static const value_string mod_vals2[] = {
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{1, "QPSK"},
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{2, "16-QAM"},
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{3, "8-QAM"},
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{4, "32-QAM"},
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{5, "64-QAM"},
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{6, "128-QAM (SCDMA-only)"},
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{7, "Reserved for C-DOCSIS"},
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{0, NULL}
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};
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static const value_string tlv20_vals[] = {
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{0, "Selectable active codes mode 1 enabled and code hopping disabled"},
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{1, "Selectable active codes mode 1 enabled and code hopping mode 1 enabled"},
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{2, "Selectable active codes mode 2 enabled and code hopping mode 2 enabled"},
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{3, "Selectable active codes mode 2 enabled and code hopping disabled"},
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{0, NULL}
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};
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const true_false_string type51ucd_tfs_present_not_present = { "Higher UCD is present for this UCID",
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"Higher UCD is not present for this UCID" };
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static const value_string ofdma_prof_mod_order[] = {
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{1, "BPSK"},
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{2, "QPSK"},
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{3, "8-QAM"},
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{4, "16-QAM"},
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{5, "32-QAM"},
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{6, "64-QAM"},
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{7, "128-QAM"},
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{8, "256-QAM"},
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{9, "512-QAM"},
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{10, "1024-QAM"},
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{11, "2048-QAM"},
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{12, "4096-QAM"},
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{0, NULL}
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};
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static const value_string iuc_vals3[] = {
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{IUC_REQUEST, "Request"},
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{IUC_REQ_DATA, "REQ/Data"},
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{IUC_INIT_MAINT, "Initial Maintenance"},
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{IUC_STATION_MAINT, "Station Maintenance"},
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{IUC_SHORT_DATA_GRANT, "Short Data Grant"},
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{IUC_LONG_DATA_GRANT, "Long Data Grant"},
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{IUC_NULL_IE, "NULL IE"},
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{IUC_DATA_ACK, "Data Ack"},
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{IUC_ADV_PHY_SHORT_DATA_GRANT, "Advanced Phy Short Data Grant"},
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{IUC_ADV_PHY_LONG_DATA_GRANT, "Advanced Phy Long Data Grant"},
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{IUC_ADV_PHY_UGS, "Advanced Phy UGS"},
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{IUC_RESERVED12, "Reserved 12"},
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{IUC_RESERVED13, "Reserved 13"},
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{IUC_RESERVED14, "Reserved 14"},
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{IUC_EXPANSION, "IUC Expansion"},
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{0, NULL}
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};
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|
|
|
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 = start;
|
|
guint16 i;
|
|
proto_tree *type51ucd_burst_tree;
|
|
proto_item *type51ucd_burst_item, *type51ucd_burst_len_item;
|
|
guint32 tlvlen, tlvtype;
|
|
|
|
endtlvpos = pos + length;
|
|
proto_tree_add_item (tree, hf_docsis_type51ucd_iuc, tvb, pos++, 1, ENC_BIG_ENDIAN);
|
|
|
|
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);
|
|
type51ucd_burst_len_item = proto_tree_add_item_ret_uint (type51ucd_burst_tree, hf_docsis_type51ucd_burst_length, tvb, pos++, 1, ENC_NA, &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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
|
|
}
|
|
break;
|
|
default:
|
|
expert_add_info_format(pinfo, type51ucd_burst_item, &ei_docsis_type51ucd_tlvtype_bad, "Unknown TLV type: %u", tlvtype);
|
|
}
|
|
|
|
pos += tlvlen;
|
|
} /*while*/
|
|
}
|
|
|
|
|
|
static int
|
|
dissect_type51ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_)
|
|
{
|
|
guint16 pos;
|
|
guint8 type, symrate;
|
|
guint16 i;
|
|
|
|
proto_tree *type51ucd_tree, *type51tlv_tree;
|
|
proto_item *type51ucd_item, *type51tlv_item, *type51tlv_len_item;
|
|
guint32 upchid, length;
|
|
|
|
type51ucd_item = proto_tree_add_item(tree, proto_docsis_type51ucd, tvb, 0, -1, ENC_NA);
|
|
type51ucd_tree = proto_item_add_subtree (type51ucd_item, ett_docsis_type51ucd);
|
|
proto_tree_add_item_ret_uint (type51ucd_tree, hf_docsis_type51ucd_upstream_chid, tvb, 0, 1, ENC_BIG_ENDIAN, &upchid);
|
|
|
|
/* 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);
|
|
|
|
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 (tvb_reported_length_remaining(tvb, pos) > 0)
|
|
{
|
|
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++;
|
|
type51tlv_len_item = proto_tree_add_item_ret_uint (type51tlv_tree, hf_docsis_type51ucd_length,
|
|
tvb, pos, 1, ENC_NA, &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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
|
|
}
|
|
break;
|
|
case type51ucd_RANGING_HOLD_OFF_PRIORITY_FIELD:
|
|
if (length == 4)
|
|
{
|
|
static const int * ucd_rnghoff[] = {
|
|
&hf_docsis_type51ucd_rnghoff_cm,
|
|
&hf_docsis_type51ucd_rnghoff_erouter,
|
|
&hf_docsis_type51ucd_rnghoff_emta,
|
|
&hf_docsis_type51ucd_rnghoff_estb,
|
|
&hf_docsis_type51ucd_rnghoff_rsvd,
|
|
&hf_docsis_type51ucd_rnghoff_id_ext,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_bitmask_list(type51tlv_tree, tvb, pos, length, ucd_rnghoff, ENC_BIG_ENDIAN);
|
|
}
|
|
else
|
|
{
|
|
expert_add_info_format(pinfo, type51tlv_len_item, &ei_docsis_type51ucd_tlvlen_bad, "Wrong TLV length: %u", length);
|
|
}
|
|
break;
|
|
case type51ucd_RANGING_CHANNEL_CLASS_ID:
|
|
if (length == 4)
|
|
{
|
|
static const int * ucd_chan_class_id[] = {
|
|
&hf_docsis_type51ucd_chan_class_id_cm,
|
|
&hf_docsis_type51ucd_chan_class_id_erouter,
|
|
&hf_docsis_type51ucd_chan_class_id_emta,
|
|
&hf_docsis_type51ucd_chan_class_id_estb,
|
|
&hf_docsis_type51ucd_chan_class_id_rsvd,
|
|
&hf_docsis_type51ucd_chan_class_id_id_ext,
|
|
NULL
|
|
};
|
|
|
|
proto_tree_add_bitmask_list(type51tlv_tree, tvb, pos, length, ucd_chan_class_id, ENC_BIG_ENDIAN);
|
|
}
|
|
else
|
|
{
|
|
expert_add_info_format(pinfo, type51tlv_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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_len_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 += length;
|
|
} /* while (tvb_reported_length_remaining(tvb, pos) > 0) */
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* 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));
|
|
|
|
docsis_type51ucd_handle = register_dissector ("docsis_type51ucd", dissect_type51ucd, proto_docsis_type51ucd);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_docsis_type51ucd (void)
|
|
{
|
|
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:
|
|
*/
|