diff options
Diffstat (limited to 'plugins/docsis/packet-ucd.c')
| -rw-r--r-- | plugins/docsis/packet-ucd.c | 931 |
1 files changed, 0 insertions, 931 deletions
diff --git a/plugins/docsis/packet-ucd.c b/plugins/docsis/packet-ucd.c deleted file mode 100644 index dab2d9861f..0000000000 --- a/plugins/docsis/packet-ucd.c +++ /dev/null @@ -1,931 +0,0 @@ -/* packet-ucd.c - * Routines for Type 2 UCD Message dissection - * Copyright 2015, Adrian Simionov <daniel.simionov@gmail.com> - * Copyright 2002, Anand V. Narwani <anand[AT]narwani.org> - * - * Wireshark - Network traffic analyzer - * By Gerald Combs <gerald@wireshark.org> - * Copyright 1998 Gerald Combs - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" - -#include <epan/packet.h> -#include <epan/expert.h> - -#define UCD_SYMBOL_RATE 1 -#define UCD_FREQUENCY 2 -#define UCD_PREAMBLE 3 -#define UCD_BURST_DESCR 4 -#define UCD_BURST_DESCR5 5 -#define UCD_EXT_PREAMBLE 6 -#define UCD_SCDMA_MODE_ENABLED 7 -#define UCD_MAINTAIN_POWER_SPECTRAL_DENSITY 15 -#define UCD_RANGING_REQUIRED 16 -#define UCD_RANGING_HOLD_OFF_PRIORITY_FIELD 18 -#define UCD_RANGING_CHANNEL_CLASS_ID 19 - -#define UCD_MODULATION 1 -#define UCD_DIFF_ENCODING 2 -#define UCD_PREAMBLE_LEN 3 -#define UCD_PREAMBLE_VAL_OFF 4 -#define UCD_FEC 5 -#define UCD_FEC_CODEWORD 6 -#define UCD_SCRAMBLER_SEED 7 -#define UCD_MAX_BURST 8 -#define UCD_GUARD_TIME 9 -#define UCD_LAST_CW_LEN 10 -#define UCD_SCRAMBLER_ONOFF 11 -#define UCD_RS_INT_DEPTH 12 -#define UCD_RS_INT_BLOCK 13 -#define UCD_PREAMBLE_TYPE 14 - -#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_ucd(void); -void proto_reg_handoff_docsis_ucd(void); - -/* Initialize the protocol and registered fields */ -static int proto_docsis_ucd = -1; - -static int hf_docsis_ucd_upstream_chid = -1; -static int hf_docsis_ucd_config_ch_cnt = -1; -static int hf_docsis_ucd_mini_slot_size = -1; -static int hf_docsis_ucd_down_chid = -1; -static int hf_docsis_ucd_type = -1; -static int hf_docsis_ucd_length = -1; -static int hf_docsis_ucd_burst_type = -1; -static int hf_docsis_ucd_burst_length = -1; -static int hf_docsis_ucd_symbol_rate = -1; -static int hf_docsis_ucd_frequency = -1; -static int hf_docsis_ucd_preamble_pat = -1; -static int hf_docsis_ucd_ext_preamble_pat = -1; -static int hf_docsis_ucd_scdma_mode_enabled = -1; -static int hf_docsis_ucd_maintain_power_spectral_density = -1; -static int hf_docsis_ucd_ranging_required = -1; -static int hf_docsis_ucd_rnghoff_cm = -1; -static int hf_docsis_ucd_rnghoff_erouter = -1; -static int hf_docsis_ucd_rnghoff_emta = -1; -static int hf_docsis_ucd_rnghoff_estb = -1; -static int hf_docsis_ucd_rnghoff_rsvd = -1; -static int hf_docsis_ucd_rnghoff_id_ext = -1; -static int hf_docsis_ucd_chan_class_id_cm = -1; -static int hf_docsis_ucd_chan_class_id_erouter = -1; -static int hf_docsis_ucd_chan_class_id_emta = -1; -static int hf_docsis_ucd_chan_class_id_estb = -1; -static int hf_docsis_ucd_chan_class_id_rsvd = -1; -static int hf_docsis_ucd_chan_class_id_id_ext = -1; -static int hf_docsis_ucd_iuc = -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 expert_field ei_docsis_ucd_tlvlen_bad = EI_INIT; - -/* Initialize the subtree pointers */ -static gint ett_docsis_ucd = -1; -static gint ett_docsis_tlv = -1; -static gint ett_docsis_burst_tlv = -1; - -static dissector_handle_t docsis_ucd_handle; - -static const value_string channel_tlv_vals[] = { - {UCD_SYMBOL_RATE, "Symbol Rate"}, - {UCD_FREQUENCY, "Frequency"}, - {UCD_PREAMBLE, "Preamble Pattern"}, - {UCD_BURST_DESCR, "Burst Descriptor Type 4"}, - {UCD_BURST_DESCR5, "Burst Descriptor Type 5"}, - {UCD_EXT_PREAMBLE, "Extended Preamble Pattern"}, - {UCD_SCDMA_MODE_ENABLED, "S-CDMA Mode Enabled"}, - {UCD_MAINTAIN_POWER_SPECTRAL_DENSITY, "Maintain Power Spectral Density"}, - {UCD_RANGING_REQUIRED, "Ranging Required"}, - {UCD_RANGING_HOLD_OFF_PRIORITY_FIELD, "Ranging Hold-Off Priority Field"}, - {UCD_RANGING_CHANNEL_CLASS_ID, "Ranging Channel Class ID"}, - {0, NULL} -}; - -static const value_string burst_tlv_vals[] = { - {UCD_MODULATION, "Modulation Type"}, - {UCD_DIFF_ENCODING, "Differential Encoding"}, - {UCD_PREAMBLE_LEN, "Preamble Length"}, - {UCD_PREAMBLE_VAL_OFF, "Preamble Value Offset"}, - {UCD_FEC, "FEC Error Correction (T)"}, - {UCD_FEC_CODEWORD, "FEC Codeword Information Bytes (k)"}, - {UCD_SCRAMBLER_SEED, "Scrambler Seed"}, - {UCD_MAX_BURST, "Maximum Burst Size"}, - {UCD_GUARD_TIME, "Guard Time Size"}, - {UCD_LAST_CW_LEN, "Last Codeword Length"}, - {UCD_SCRAMBLER_ONOFF, "Scrambler on/off"}, - {UCD_RS_INT_DEPTH, "R-S Interleaver Depth (Ir)"}, - {UCD_RS_INT_BLOCK, "R-S Interleaver Block Size (Br)"}, - {UCD_PREAMBLE_TYPE, "Preamble Type"}, - {0, NULL} -}; - -static const value_string on_off_vals[] = { - {1, "On"}, - {2, "Off"}, - {0, NULL} -}; - -static const true_false_string tfs_allow_inhibit = { "Inhibit Initial Ranging", "Ranging Allowed" }; - -static const value_string inhibit_allow_vals[] = { - {0, "Inhibit Initial Ranging"}, - {1, "Ranging Allowed"}, - {0, NULL}, -}; - -static const value_string mod_vals[] = { - {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 iuc_vals[] = { - {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"}, - {IUC_RESERVED13, "Reserved"}, - {IUC_RESERVED14, "Reserved"}, - {IUC_EXPANSION, "Expanded IUC"}, - {0, NULL} -}; - -static const value_string last_cw_len_vals[] = { - {1, "Fixed"}, - {2, "Shortened"}, - {0, NULL} -}; - -static const value_string ranging_req_vals[] = { - {0, "No ranging required"}, - {1, "Unicast initial ranging required"}, - {2, "Broadcast initial ranging required"}, - {0, NULL} -}; - -/* Dissection */ -static int -dissect_ucd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_) -{ - int pos, tlvpos, endtlvpos; - guint32 length, tlvlen; - guint8 type, tlvtype; - proto_tree *ucd_tree, *tlv_tree, *burst_tree; - proto_item *ucd_item, *tlv_item, *tlv_len_item, *burst_item, *burst_len_item; - guint8 upchid, symrate; - - 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 2 UCD Message: Channel ID = %u (U%u)", upchid, - upchid - 1); - else - col_add_fstr (pinfo->cinfo, COL_INFO, - "Type 2 UCD Message: Channel ID = %u (Telephony Return)", - upchid); - - ucd_item = proto_tree_add_item(tree, proto_docsis_ucd, tvb, 0, -1, ENC_NA); - ucd_tree = proto_item_add_subtree (ucd_item, ett_docsis_ucd); - proto_tree_add_item (ucd_tree, hf_docsis_ucd_upstream_chid, tvb, 0, 1, ENC_BIG_ENDIAN); - proto_tree_add_item (ucd_tree, hf_docsis_ucd_config_ch_cnt, tvb, 1, 1, ENC_BIG_ENDIAN); - proto_tree_add_item (ucd_tree, hf_docsis_ucd_mini_slot_size, tvb, 2, 1, ENC_BIG_ENDIAN); - proto_tree_add_item (ucd_tree, hf_docsis_ucd_down_chid, tvb, 3, 1, ENC_BIG_ENDIAN); - - pos = 4; - while (tvb_reported_length_remaining(tvb, pos) > 0) - { - type = tvb_get_guint8 (tvb, pos); - tlv_tree = proto_tree_add_subtree(ucd_tree, tvb, pos, -1, - ett_docsis_tlv, &tlv_item, - val_to_str(type, channel_tlv_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (tlv_tree, hf_docsis_ucd_type, tvb, pos, 1, type); - pos++; - tlv_len_item = proto_tree_add_item_ret_uint (tlv_tree, hf_docsis_ucd_length, tvb, pos, 1, ENC_NA, &length); - pos++; - proto_item_set_len(tlv_item, length + 2); - - switch (type) - { - case UCD_SYMBOL_RATE: - if (length == 1) - { - symrate = tvb_get_guint8 (tvb, pos); - proto_tree_add_uint (tlv_tree, hf_docsis_ucd_symbol_rate, tvb, pos, length, symrate * 160); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_FREQUENCY: - if (length == 4) - { - proto_tree_add_item (tlv_tree, hf_docsis_ucd_frequency, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE: - proto_tree_add_item (tlv_tree, hf_docsis_ucd_preamble_pat, tvb, pos, length, ENC_NA); - break; - case UCD_EXT_PREAMBLE: - proto_tree_add_item (tlv_tree, hf_docsis_ucd_ext_preamble_pat, tvb, pos, length, ENC_NA); - break; - case UCD_SCDMA_MODE_ENABLED: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_docsis_ucd_scdma_mode_enabled, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_MAINTAIN_POWER_SPECTRAL_DENSITY: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_docsis_ucd_maintain_power_spectral_density, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_RANGING_REQUIRED: - if (length == 1) - { - proto_tree_add_item (tlv_tree, hf_docsis_ucd_ranging_required, tvb, pos, length, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_RANGING_HOLD_OFF_PRIORITY_FIELD: - if (length == 4) - { - static const int * ucd_rnghoff[] = { - &hf_docsis_ucd_rnghoff_cm, - &hf_docsis_ucd_rnghoff_erouter, - &hf_docsis_ucd_rnghoff_emta, - &hf_docsis_ucd_rnghoff_estb, - &hf_docsis_ucd_rnghoff_rsvd, - &hf_docsis_ucd_rnghoff_id_ext, - NULL - }; - - proto_tree_add_bitmask_list(tlv_tree, tvb, pos, length, ucd_rnghoff, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_RANGING_CHANNEL_CLASS_ID: - if (length == 4) - { - static const int * ucd_chan_class_id[] = { - &hf_docsis_ucd_chan_class_id_cm, - &hf_docsis_ucd_chan_class_id_erouter, - &hf_docsis_ucd_chan_class_id_emta, - &hf_docsis_ucd_chan_class_id_estb, - &hf_docsis_ucd_chan_class_id_rsvd, - &hf_docsis_ucd_chan_class_id_id_ext, - NULL - }; - - proto_tree_add_bitmask_list(tlv_tree, tvb, pos, length, ucd_chan_class_id, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, tlv_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_BURST_DESCR: - tlvpos = pos; - endtlvpos = tlvpos + length; - proto_tree_add_item (tlv_tree, hf_docsis_ucd_iuc, tvb, tlvpos++, 1, ENC_BIG_ENDIAN); - while (tlvpos < endtlvpos) - { - tlvtype = tvb_get_guint8 (tvb, tlvpos); - burst_tree = proto_tree_add_subtree (tlv_tree, tvb, tlvpos, -1, - ett_docsis_burst_tlv, &burst_item, - val_to_str(tlvtype, burst_tlv_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (burst_tree, hf_docsis_ucd_burst_type, tvb, tlvpos++, 1, tlvtype); - burst_len_item = proto_tree_add_item_ret_uint (burst_tree, hf_docsis_ucd_burst_length, tvb, tlvpos++, 1, ENC_NA, &tlvlen); - proto_item_set_len(burst_item, tlvlen + 2); - switch (tlvtype) - { - case UCD_MODULATION: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_mod_type, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_DIFF_ENCODING: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_diff_encoding, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE_LEN: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_preamble_len, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE_VAL_OFF: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_preamble_val_off, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_FEC: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_fec, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_FEC_CODEWORD: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_fec_codeword, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_SCRAMBLER_SEED: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_scrambler_seed, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_MAX_BURST: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_max_burst, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_GUARD_TIME: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_guard_time, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_LAST_CW_LEN: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_last_cw_len, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_SCRAMBLER_ONOFF: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_scrambler_onoff, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } /* switch(tlvtype) */ - - tlvpos += tlvlen; - } /* while (tlvpos < endtlvpos) */ - break; - case UCD_BURST_DESCR5: - /* DOCSIS 2.0 Upstream Channel Descriptor */ - tlvpos = pos; - endtlvpos = tlvpos + length; - proto_tree_add_item (tlv_tree, hf_docsis_ucd_iuc, tvb, tlvpos++, 1, ENC_BIG_ENDIAN); - while (tlvpos < endtlvpos) - { - tlvtype = tvb_get_guint8 (tvb, tlvpos); - burst_tree = proto_tree_add_subtree (tlv_tree, tvb, tlvpos, -1, - ett_docsis_burst_tlv, &burst_item, - val_to_str(tlvtype, burst_tlv_vals, - "Unknown TLV (%u)")); - proto_tree_add_uint (burst_tree, hf_docsis_ucd_burst_type, tvb, tlvpos++, 1, tlvtype); - burst_len_item = proto_tree_add_item_ret_uint (burst_tree, hf_docsis_ucd_burst_length, tvb, tlvpos++, 1, ENC_NA, &tlvlen); - proto_item_set_len(burst_item, tlvlen + 2); - switch (tlvtype) - { - case UCD_MODULATION: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_mod_type, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_DIFF_ENCODING: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_diff_encoding, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE_LEN: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_preamble_len, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE_VAL_OFF: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_preamble_val_off, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_FEC: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_fec, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_FEC_CODEWORD: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_fec_codeword, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_SCRAMBLER_SEED: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_scrambler_seed, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_MAX_BURST: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_max_burst, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_GUARD_TIME: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_guard_time, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_LAST_CW_LEN: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_last_cw_len, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_SCRAMBLER_ONOFF: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_burst_scrambler_onoff, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_RS_INT_DEPTH: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_rs_int_depth, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_RS_INT_BLOCK: - if (tlvlen == 2) - { - proto_tree_add_item (burst_tree, hf_docsis_rs_int_block, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - case UCD_PREAMBLE_TYPE: - if (tlvlen == 1) - { - proto_tree_add_item (burst_tree, hf_docsis_preamble_type, tvb, tlvpos, tlvlen, ENC_BIG_ENDIAN); - } - else - { - expert_add_info_format(pinfo, burst_len_item, &ei_docsis_ucd_tlvlen_bad, "Wrong TLV length: %u", length); - } - break; - } /* switch(tlvtype) */ - tlvpos += tlvlen; - } /* while (tlvpos < endtlvpos) */ - break; - } /* switch(type) */ - pos += length; - } /* tvb_reported_length_remaining(tvb, pos) > 0 */ - - return tvb_captured_length(tvb); -} - -/* Register the protocol with Wireshark */ -void -proto_register_docsis_ucd (void) -{ - static hf_register_info hf[] = { - {&hf_docsis_ucd_upstream_chid, - {"Upstream Channel ID", "docsis_ucd.upchid", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_ucd_config_ch_cnt, - {"Config Change Count", "docsis_ucd.confcngcnt", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Configuration Change Count", HFILL} - }, - {&hf_docsis_ucd_mini_slot_size, - {"Mini Slot Size (6.25us TimeTicks)", "docsis_ucd.mslotsize", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_ucd_down_chid, - {"Downstream Channel ID", "docsis_ucd.downchid", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Management Message", HFILL} - }, - {&hf_docsis_ucd_type, - {"Type", "docsis_ucd.type", - FT_UINT8, BASE_DEC, VALS(channel_tlv_vals), 0x0, - "Channel TLV type", HFILL} - }, - {&hf_docsis_ucd_length, - {"Length", "docsis_ucd.length", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Channel TLV length", HFILL} - }, - {&hf_docsis_ucd_burst_type, - {"Type", "docsis_ucd.burst.tlvtype", - FT_UINT8, BASE_DEC, VALS(burst_tlv_vals), 0x0, - "Burst TLV type", HFILL} - }, - {&hf_docsis_ucd_burst_length, - {"Length", "docsis_ucd.burst.tlvlen", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Burst TLV length", HFILL} - }, - {&hf_docsis_ucd_symbol_rate, - {"Symbol Rate (ksym/sec)", "docsis_ucd.symrate", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Symbol Rate", HFILL} - }, - {&hf_docsis_ucd_frequency, - {"Frequency (Hz)", "docsis_ucd.freq", - FT_UINT32, BASE_DEC, NULL, 0x0, - "Upstream Center Frequency", HFILL} - }, - {&hf_docsis_ucd_preamble_pat, - {"Preamble Pattern", "docsis_ucd.preamble", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Preamble Superstring", HFILL} - }, - {&hf_docsis_ucd_ext_preamble_pat, - {"Extended Preamble Pattern", "docsis_ucd.extpreamble", - FT_BYTES, BASE_NONE, NULL, 0x0, - "Extended Preamble Superstring", HFILL} - }, - {&hf_docsis_ucd_scdma_mode_enabled, - {"S-CDMA Mode Enabled", "docsis_ucd.scdma", - FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_ucd_maintain_power_spectral_density, - {"Maintain Power Spectral Density", "docsis_ucd.maintpower", - FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_ucd_ranging_required, - {"Ranging Required", "docsis_ucd.rangingreq", - FT_UINT8, BASE_DEC, VALS (ranging_req_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_cm, - {"Ranging Hold-Off (CM)","docsis_ucd.rnghoffcm", - FT_BOOLEAN, 32, TFS(&tfs_allow_inhibit), 0x1, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_erouter, - {"Ranging Hold-Off (eRouter)", - "docsis_ucd.rnghofferouter", - FT_BOOLEAN, 32, TFS(&tfs_allow_inhibit), 0x2, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_emta, - {"Ranging Hold-Off (eMTA or EDVA)", - "docsis_ucd.rnghoffemta", - FT_BOOLEAN, 32, TFS(&tfs_allow_inhibit), 0x4, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_estb, - {"Ranging Hold-Off (DSG/eSTB)", - "docsis_ucd.rnghoffestb", - FT_BOOLEAN, 32, TFS(&tfs_allow_inhibit), 0x8, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_rsvd, - {"Reserved", - "docsis_ucd.rnghoffrsvd", - FT_UINT32, BASE_HEX, NULL, 0xFFF0, - NULL, HFILL} - }, - {&hf_docsis_ucd_rnghoff_id_ext, - {"CM Ranging Class ID Extension", - "docsis_ucd.rngidext", - FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_cm, - {"Channel Class ID (CM)","docsis_ucd.classidcm", - FT_UINT32, BASE_DEC, VALS (inhibit_allow_vals), 0x1, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_erouter, - {"Channel Class ID (eRouter)", - "docsis_ucd.classiderouter", - FT_UINT32, BASE_DEC, VALS (inhibit_allow_vals), 0x2, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_emta, - {"Channel Class ID (eMTA or EDVA)", - "docsis_ucd.classidemta", - FT_UINT32, BASE_DEC, VALS (inhibit_allow_vals), 0x4, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_estb, - {"Channel Class ID (DSG/eSTB)", - "docsis_ucd.classidestb", - FT_UINT32, BASE_DEC, VALS (inhibit_allow_vals), 0x8, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_rsvd, - {"Reserved", - "docsis_ucd.classidrsvd", - FT_UINT32, BASE_HEX, NULL, 0xFFF0, - NULL, HFILL} - }, - {&hf_docsis_ucd_chan_class_id_id_ext, - {"CM Ranging Class ID Extension", - "docsis_ucd.classidext", - FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, - NULL, HFILL} - }, - {&hf_docsis_ucd_iuc, - {"Interval Usage Code", "docsis_ucd.iuc", - FT_UINT8, BASE_DEC, VALS (iuc_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_mod_type, - {"Modulation Type", "docsis_ucd.burst.modtype", - FT_UINT8, BASE_DEC, VALS (mod_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_diff_encoding, - {"Differential Encoding", "docsis_ucd.burst.diffenc", - FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_preamble_len, - {"Preamble Length (Bits)", "docsis_ucd.burst.preamble_len", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_preamble_val_off, - {"Preamble Offset (Bits)", "docsis_ucd.burst.preamble_off", - FT_UINT16, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_fec, - {"FEC (T)", "docsis_ucd.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_ucd.burst.fec_codeword", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_scrambler_seed, - {"Scrambler Seed", "docsis_ucd.burst.scrambler_seed", - FT_UINT16, BASE_HEX, NULL, 0x0, - "Burst Descriptor", HFILL} - }, - {&hf_docsis_burst_max_burst, - {"Max Burst Size (Minislots)", "docsis_ucd.burst.maxburst", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - {&hf_docsis_burst_guard_time, - {"Guard Time Size (Symbol Times)", "docsis_ucd.burst.guardtime", - FT_UINT8, BASE_DEC, NULL, 0x0, - "Guard Time Size", HFILL} - }, - {&hf_docsis_burst_last_cw_len, - {"Last Codeword Length", "docsis_ucd.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_ucd.burst.scrambleronoff", - FT_UINT8, BASE_DEC, VALS (on_off_vals), 0x0, - NULL, HFILL} - }, - {&hf_docsis_rs_int_depth, - {"RS Interleaver Depth", "docsis_ucd.burst.rsintdepth", - FT_UINT8, BASE_DEC, NULL, 0x0, - "R-S Interleaver Depth", HFILL} - }, - {&hf_docsis_rs_int_block, - {"RS Interleaver Block Size", "docsis_ucd.burst.rsintblock", - FT_UINT8, BASE_DEC, NULL, 0x0, - "R-S Interleaver Block", HFILL} - }, - {&hf_docsis_preamble_type, - {"Preamble Type", "docsis_ucd.burst.preambletype", - FT_UINT8, BASE_DEC, NULL, 0x0, - NULL, HFILL} - }, - }; - - static ei_register_info ei[] = { - {&ei_docsis_ucd_tlvlen_bad, {"docsis_ucd.tlvlenbad", PI_MALFORMED, PI_ERROR, "Bad TLV length", EXPFILL}}, - }; - - static gint *ett[] = { - &ett_docsis_ucd, - &ett_docsis_tlv, - &ett_docsis_burst_tlv, - }; - - expert_module_t* expert_docsis_ucd; - - proto_docsis_ucd = - proto_register_protocol ("DOCSIS Upstream Channel Descriptor", "DOCSIS UCD", "docsis_ucd"); - - proto_register_field_array (proto_docsis_ucd, hf, array_length (hf)); - proto_register_subtree_array (ett, array_length (ett)); - expert_docsis_ucd = expert_register_protocol(proto_docsis_ucd); - expert_register_field_array(expert_docsis_ucd, ei, array_length(ei)); - - docsis_ucd_handle = register_dissector ("docsis_ucd", dissect_ucd, proto_docsis_ucd); -} - -void -proto_reg_handoff_docsis_ucd (void) -{ - dissector_add_uint ("docsis_mgmt", 0x02, docsis_ucd_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: - */ |