/* packet-mdd.c * $Id$ * Routines for MDD Message dissection * Copyright 2007, Bruno Verstuyft * * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #define DOWNSTREAM_ACTIVE_CHANNEL_LIST 1 #define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP 2 #define DOWNSTREAM_AMBIGUITY_RESOLUTION_FREQUENCY_LIST 3 #define RECEIVE_CHANNEL_PROFILE_REPORTING_CONTROL 4 #define IP_INITIALIZATION_PARAMETERS 5 #define EARLY_AUTHENTICATION_AND_ENCRYPTION 6 #define UPSTREAM_ACTIVE_CHANNEL_LIST 7 #define UPSTREAM_AMBIGUITY_RESOLUTION_CHANNEL_LIST 8 #define UPSTREAM_FREQUENCY_RANGE 9 #define SYMBOL_CLOCK_LOCKING_INDICATOR 10 #define CM_STATUS_EVENT_CONTROL 11 #define UPSTREAM_TRANSMIT_POWER_REPORTING 12 #define DSG_DA_TO_DSID_ASSOCIATION_ENTRY 13 #define CM_STATUS_EVENT_ENABLE_NON_CHANNEL_SPECIFIC_EVENTS 15 /*Downstream Active Channel List*/ #define DOWNSTREAM_ACTIVE_CHANNEL_LIST_CHANNEL_ID 1 #define DOWNSTREAM_ACTIVE_CHANNEL_LIST_FREQUENCY 2 #define DOWNSTREAM_ACTIVE_CHANNEL_LIST_MODULATION_ORDER_ANNEX 3 #define DOWNSTREAM_ACTIVE_CHANNEL_LIST_PRIMARY_CAPABLE 4 #define DOWNSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK 5 /*Mac Domain Downstream Service Group*/ #define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_MD_DS_SG_IDENTIFIER 1 #define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_CHANNEL_IDS 2 /*Modulation Orders*/ #define QAM64 0 #define QAM256 1 /*Annexes*/ #define J83_ANNEX_A 0 #define J83_ANNEX_B 1 #define J83_ANNEX_C 2 /*Primary Capable*/ #define NOT_PRIMARY_CAPABLE 0 #define PRIMARY_CAPABLE 1 /*Receive Channel Profile Reporting Control*/ #define RCP_CENTER_FREQUENCY_SPACING 1 #define VERBOSE_RCP_REPORTING 2 /*Frequency spacing*/ #define ASSUME_6MHZ_CENTER_FREQUENCY_SPACING 0 #define ASSUME_8MHZ_CENTER_FREQUENCY_SPACING 1 /*Verbose RCP reporting*/ #define RCP_NO_VERBOSE_REPORTING 0 #define RCP_VERBOSE_REPORTING 1 /*Sub-TLVs for IP Initialization Parameters*/ #define IP_PROVISIONING_MODE 1 #define PRE_REGISTRATION_DSID 2 /*IP Provisioning Modes*/ #define IPv4_ONLY 0 #define IPv6_ONLY 1 #define IP_ALTERNATE 2 #define DUAL_STACK 3 /*Early authentication and encryption*/ #define EAE_DISABLED 0 #define EAE_ENABLED 1 /*Upstream Active Channel List*/ #define UPSTREAM_ACTIVE_CHANNEL_LIST_UPSTREAM_CHANNEL_ID 1 #define UPSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK 2 /*Upstream Frequency Range*/ #define STANDARD_UPSTREAM_FREQUENCY_RANGE 0 #define EXTENDED_UPSTREAM_FREQUENCY_RANGE 1 /*Symbol Clock Locking Indicator*/ #define NOT_LOCKED_TO_MASTER_CLOCK 0 #define LOCKED_TO_MASTER_CLOCK 1 /*CM-STATUS Event Control */ #define EVENT_TYPE_CODE 1 #define MAXIMUM_EVENT_HOLDOFF_TIMER 2 #define MAXIMUM_NUMBER_OF_REPORTS_PER_EVENT 3 /*CM-STATUS Events*/ #define SECONDARY_CHANNEL_MDD_TIMEOUT 1 #define QAM_FEC_LOCK_FAILURE 2 #define SEQUENCE_OUT_OF_RANGE 3 #define MDD_RECOVERY 4 #define QAM_FEC_LOCK_RECOVERY 5 #define T4_TIMEOUT 6 #define T3_RETRIES_EXCEEDED 7 #define SUCCESFUL_RANGING_AFTER_T3_RETRIES_EXCEEDED 8 #define CM_OPERATING_ON_BATTERY_BACKUP 9 #define CM_RETURNED_TO_AC_POWER 10 /*Upstream Transmit Power Reporting*/ #define CM_DOESNT_REPORT_TRANSMIT_POWER 0 #define CM_REPORTS_TRANSMIT_POWER 1 /*Dsg DA to DSID association entry*/ #define DSG_DA_TO_DSID_ASSOCIATION_DA 1 #define DSG_DA_TO_DSID_ASSOCIATION_DSID 2 static const value_string J83_annex_vals[] = { {J83_ANNEX_A, "J.83 Annex A"}, {J83_ANNEX_B, "J.83 Annex B"}, {J83_ANNEX_C, "J.83 Annex C"}, {0, NULL} }; static const value_string modulation_order_vals[] = { {QAM64, "64 QAM"}, {QAM256, "256 QAM"}, {0, NULL} }; static const value_string primary_capable_vals[] = { {NOT_PRIMARY_CAPABLE, "Channel is not primary-capable"}, {PRIMARY_CAPABLE, "channel is primary-capable"}, {0, NULL} }; static const value_string mdd_tlv_vals[] = { {DOWNSTREAM_ACTIVE_CHANNEL_LIST, "Downstream Active Channel List"}, {MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP, "Mac Domain Downstream Service Group"}, {DOWNSTREAM_AMBIGUITY_RESOLUTION_FREQUENCY_LIST, "Downstream Ambiguity Resolution Frequency List "}, {RECEIVE_CHANNEL_PROFILE_REPORTING_CONTROL , "Receive Channel Profile Reporting Control"}, {IP_INITIALIZATION_PARAMETERS , "IP Initialization Parameters"}, {EARLY_AUTHENTICATION_AND_ENCRYPTION , "Early Authentication and Encryption"}, {UPSTREAM_ACTIVE_CHANNEL_LIST , "Upstream Active Channel List"}, {UPSTREAM_AMBIGUITY_RESOLUTION_CHANNEL_LIST , "Upstream Ambiguity Resolution Channel List"}, {UPSTREAM_FREQUENCY_RANGE , "Upstream Frequency Range"}, {SYMBOL_CLOCK_LOCKING_INDICATOR , "Symbol Clock Locking Indicator"}, {CM_STATUS_EVENT_CONTROL , "CM-STATUS Event Control"}, {UPSTREAM_TRANSMIT_POWER_REPORTING , "Upstream Transmit Power Reporting"}, {DSG_DA_TO_DSID_ASSOCIATION_ENTRY , "DSG DA-to-DSID Association Entry"}, {CM_STATUS_EVENT_ENABLE_NON_CHANNEL_SPECIFIC_EVENTS , "CM-STATUS Event Enable for Non-Channel-Specific-Events"}, {0, NULL} }; static const value_string rpc_center_frequency_spacing_vals[] = { {ASSUME_6MHZ_CENTER_FREQUENCY_SPACING , "CM MUST report only Receive Channel Profiles assuming 6 MHz center frequency spacing"}, {ASSUME_8MHZ_CENTER_FREQUENCY_SPACING , "CM MUST report only Receive Channel Profiles assuming 8 MHz center frequency spacing"}, {0, NULL} }; static const value_string verbose_rpc_reporting_vals[] = { {RCP_NO_VERBOSE_REPORTING , "CM MUST NOT provide verbose reporting of all its Receive Channel Profile(s) (both standard profiles and manufacturers profiles)."}, {RCP_VERBOSE_REPORTING , "CM MUST provide verbose reporting of Receive Channel Profile(s) (both standard profiles and manufacturers profiles)."}, {0, NULL} }; static const value_string ip_provisioning_mode_vals[] = { {IPv4_ONLY , "IPv4 Only"}, {IPv6_ONLY , "IPv6 Only"}, {IP_ALTERNATE, "Alternate"}, {DUAL_STACK , "Dual Stack"}, {0, NULL} }; static const value_string eae_vals[] = { {EAE_DISABLED , "early authentication and encryption disabled"}, {EAE_ENABLED , "early authentication and encryption enabled"}, {0, NULL} }; static const value_string upstream_frequency_range_vals[] = { {STANDARD_UPSTREAM_FREQUENCY_RANGE, "Standard Upstream Frequency Range"}, {EXTENDED_UPSTREAM_FREQUENCY_RANGE, "Extended Upstream Frequency Range"}, {0, NULL} }; static const value_string symbol_clock_locking_indicator_vals[] = { {NOT_LOCKED_TO_MASTER_CLOCK, "Symbol Clock is not locked to Master Clock"}, {LOCKED_TO_MASTER_CLOCK, "Symbol Clock is locked to Master Clock"}, {0, NULL} }; static const value_string symbol_cm_status_event_vals[] = { {SECONDARY_CHANNEL_MDD_TIMEOUT, "Secondary Channel MDD timeout"}, {QAM_FEC_LOCK_FAILURE, "Qam FEC Lock Failure"}, {SEQUENCE_OUT_OF_RANGE, "Sequence out of Range"}, {MDD_RECOVERY, "MDD Recovery"}, {QAM_FEC_LOCK_RECOVERY, "Qam FEC Lock Recovery"}, {T4_TIMEOUT, "T4 Timeout"}, {T3_RETRIES_EXCEEDED, "T3 Retries Exceeded"}, {SUCCESFUL_RANGING_AFTER_T3_RETRIES_EXCEEDED, "Successful ranging after T3 Retries Exceeded"}, {CM_OPERATING_ON_BATTERY_BACKUP, "CM Operating on Battery Backup"}, {CM_RETURNED_TO_AC_POWER, "CM Returned to AC Power"}, {0, NULL} }; static const value_string upstream_transmit_power_reporting_vals[] = { {CM_DOESNT_REPORT_TRANSMIT_POWER, "CM does not report transmit power in RNG-REQ, INIT-RNG-REQ, and B-INIT-RNG-REQ messages"}, {CM_REPORTS_TRANSMIT_POWER, "CM reports transmit power in RNG-REQ, INIT-RNG-REQ, and B-INIT-RNG-REQ messages"}, {0, NULL} }; /* Initialize the protocol and registered fields */ static int proto_docsis_mdd = -1; static int hf_docsis_mdd_ccc = -1; static int hf_docsis_mdd_number_of_fragments = -1; static int hf_docsis_mdd_fragment_sequence_number = -1; static int hf_docsis_mdd_current_channel_dcid = -1; static int hf_docsis_mdd_downstream_active_channel_list_channel_id = -1; static int hf_docsis_mdd_downstream_active_channel_list_frequency = -1; static int hf_docsis_mdd_downstream_active_channel_list_annex = -1; static int hf_docsis_mdd_downstream_active_channel_list_modulation_order = -1; static int hf_docsis_mdd_downstream_active_channel_list_primary_capable = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_timeout = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_failure = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_recovery = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_recovery = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_t4_timeout = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_t3_retries_exceeded = -1; static int hf_docsis_mdd_cm_status_event_enable_bitmask_successful_ranging_after_t3_retries_exceeded = -1; static int hf_docsis_mdd_mac_domain_downstream_service_group_md_ds_sg_identifier = -1; static int hf_docsis_mdd_mac_domain_downstream_service_group_channel_id = -1; static int hf_docsis_mdd_downstream_ambiguity_resolution_frequency = -1; static int hf_docsis_mdd_rpc_center_frequency_spacing = -1; static int hf_docsis_mdd_verbose_rcp_reporting = -1; static int hf_docsis_mdd_ip_provisioning_mode = -1; static int hf_docsis_mdd_pre_registration_dsid = -1; static int hf_docsis_mdd_early_authentication_and_encryption = -1; static int hf_docsis_mdd_upstream_active_channel_list_upstream_channel_id = -1; static int hf_docsis_mdd_upstream_ambiguity_resolution_channel_list_channel_id = -1; static int hf_docsis_mdd_upstream_frequency_range = -1; static int hf_docsis_mdd_symbol_clock_locking_indicator = -1; static int hf_docsis_mdd_event_type = -1; static int hf_docsis_mdd_maximum_event_holdoff_timer = -1; static int hf_docsis_mdd_maximum_number_of_reports_per_event = -1; static int hf_docsis_mdd_upstream_transmit_power_reporting = -1; static int hf_docsis_mdd_dsg_da_to_dsid_association_da = -1; static int hf_docsis_mdd_dsg_da_to_dsid_association_dsid = -1; static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_sequence_out_of_range = -1; static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_operating_on_battery_backup = -1; static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_returned_to_ac_power = -1; /* Initialize the subtree pointers */ static gint ett_docsis_mdd = -1; static gint ett_tlv = -1; static gint ett_sub_tlv = -1; static void dissect_mdd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree) { proto_item *it; proto_tree *mdd_tree; int pos; int subpos = 0; gint len; guint8 type, length; guint8 subtype, sublength; int i; proto_item *tlv_item; proto_tree *tlv_tree; proto_item *tlv_sub_item; proto_tree *tlv_sub_tree; proto_item *text_item; len = tvb_reported_length_remaining (tvb, 0); col_set_str(pinfo->cinfo, COL_INFO, "MDD Message:"); if (tree) { it = proto_tree_add_protocol_format (tree, proto_docsis_mdd, tvb, 0, -1,"MDD Message"); mdd_tree = proto_item_add_subtree (it, ett_docsis_mdd); proto_tree_add_item (mdd_tree, hf_docsis_mdd_ccc, tvb, 0, 1, ENC_BIG_ENDIAN); proto_tree_add_item (mdd_tree, hf_docsis_mdd_number_of_fragments, tvb, 1, 1, ENC_BIG_ENDIAN); proto_tree_add_item (mdd_tree, hf_docsis_mdd_fragment_sequence_number, tvb, 2, 1, ENC_BIG_ENDIAN); proto_tree_add_item (mdd_tree, hf_docsis_mdd_current_channel_dcid, tvb, 3, 1, ENC_BIG_ENDIAN); /*TLVs...*/ pos = 4; while (pos < len) { type = tvb_get_guint8 (tvb, pos); length = tvb_get_guint8 (tvb, pos + 1); tlv_item = proto_tree_add_text (mdd_tree, tvb, pos, length + 2,"%s", val_to_str(type, mdd_tlv_vals, "Unknown TLV (%u)")); tlv_tree = proto_item_add_subtree (tlv_item, ett_tlv); switch(type) { case DOWNSTREAM_ACTIVE_CHANNEL_LIST: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case DOWNSTREAM_ACTIVE_CHANNEL_LIST_CHANNEL_ID: proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_channel_id, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case DOWNSTREAM_ACTIVE_CHANNEL_LIST_FREQUENCY: proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_frequency, tvb, subpos + 2 , 4, ENC_BIG_ENDIAN); break; case DOWNSTREAM_ACTIVE_CHANNEL_LIST_MODULATION_ORDER_ANNEX: tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos + 2, 1, "Modulation Order/Annex"); tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_downstream_active_channel_list_modulation_order, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_downstream_active_channel_list_annex, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case DOWNSTREAM_ACTIVE_CHANNEL_LIST_PRIMARY_CAPABLE: proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_primary_capable, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case DOWNSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK: tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos + 2, 2, "CM-STATUS Event Enable Bitmask"); tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_timeout, tvb, subpos + 2 , 2,ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_failure, tvb, subpos + 2 , 2, ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_recovery, tvb, subpos + 2 , 2,ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_recovery, tvb, subpos + 2 , 2, ENC_BIG_ENDIAN); break; } subpos += sublength + 2; } break; case MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_MD_DS_SG_IDENTIFIER: proto_tree_add_item (tlv_tree, hf_docsis_mdd_mac_domain_downstream_service_group_md_ds_sg_identifier, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_CHANNEL_IDS: for (i = 0; i < sublength; i++) { proto_tree_add_item (tlv_tree, hf_docsis_mdd_mac_domain_downstream_service_group_channel_id, tvb, subpos + 2 + i , 1, ENC_BIG_ENDIAN); } break; } subpos += sublength + 2; } break; case DOWNSTREAM_AMBIGUITY_RESOLUTION_FREQUENCY_LIST: subpos = pos + 2; for (i = 0; i < length; i+=4) { proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_ambiguity_resolution_frequency, tvb, subpos + i , 4, ENC_BIG_ENDIAN); } break; case RECEIVE_CHANNEL_PROFILE_REPORTING_CONTROL: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case RCP_CENTER_FREQUENCY_SPACING: proto_tree_add_item (tlv_tree, hf_docsis_mdd_rpc_center_frequency_spacing, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case VERBOSE_RCP_REPORTING: proto_tree_add_item (tlv_tree, hf_docsis_mdd_verbose_rcp_reporting, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; } subpos += sublength + 2; } break; case IP_INITIALIZATION_PARAMETERS: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case IP_PROVISIONING_MODE: proto_tree_add_item (tlv_tree, hf_docsis_mdd_ip_provisioning_mode, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case PRE_REGISTRATION_DSID: proto_tree_add_item (tlv_tree, hf_docsis_mdd_pre_registration_dsid, tvb, subpos + 2 , 3, ENC_BIG_ENDIAN); break; } subpos += sublength + 2; } break; case EARLY_AUTHENTICATION_AND_ENCRYPTION: subpos = pos + 2; proto_tree_add_item (tlv_tree, hf_docsis_mdd_early_authentication_and_encryption, tvb, subpos, 1, ENC_BIG_ENDIAN); break; case UPSTREAM_ACTIVE_CHANNEL_LIST: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case UPSTREAM_ACTIVE_CHANNEL_LIST_UPSTREAM_CHANNEL_ID: proto_tree_add_item (tlv_tree, hf_docsis_mdd_upstream_active_channel_list_upstream_channel_id, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN); break; case UPSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK: tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos + 2, 2, "CM-STATUS Event Enable Bitmask"); tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_t4_timeout, tvb, subpos + 2 , 2, ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_t3_retries_exceeded, tvb, subpos + 2 , 2, ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_successful_ranging_after_t3_retries_exceeded, tvb, subpos + 2 , 2, ENC_BIG_ENDIAN); break; } subpos += sublength + 2; } break; case UPSTREAM_AMBIGUITY_RESOLUTION_CHANNEL_LIST: sublength = tvb_get_guint8 (tvb, subpos + 1); for (i = 0; i < sublength; i++) { proto_tree_add_item (tlv_tree, hf_docsis_mdd_upstream_ambiguity_resolution_channel_list_channel_id, tvb, pos + 2 + i , 1, ENC_BIG_ENDIAN); } break; case UPSTREAM_FREQUENCY_RANGE: subpos = pos + 2; proto_tree_add_item (tlv_tree, hf_docsis_mdd_upstream_frequency_range, tvb, subpos, 1, ENC_BIG_ENDIAN); break; case SYMBOL_CLOCK_LOCKING_INDICATOR: subpos = pos + 2; proto_tree_add_item (tlv_tree, hf_docsis_mdd_symbol_clock_locking_indicator, tvb, subpos, 1, ENC_BIG_ENDIAN); break; case CM_STATUS_EVENT_CONTROL: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case EVENT_TYPE_CODE: proto_tree_add_item (tlv_tree, hf_docsis_mdd_event_type, tvb, subpos+2, 1, ENC_BIG_ENDIAN); break; case MAXIMUM_EVENT_HOLDOFF_TIMER: text_item = proto_tree_add_item (tlv_tree, hf_docsis_mdd_maximum_event_holdoff_timer, tvb, subpos, 2, ENC_BIG_ENDIAN); proto_item_append_text(text_item, " (%d ms)", (256*tvb_get_guint8 (tvb, subpos) + tvb_get_guint8 (tvb, subpos + 1)) * 20); break; case MAXIMUM_NUMBER_OF_REPORTS_PER_EVENT: text_item = proto_tree_add_item (tlv_tree, hf_docsis_mdd_maximum_number_of_reports_per_event, tvb, subpos, 1, ENC_BIG_ENDIAN); if ( tvb_get_guint8 (tvb, subpos) == 0) { proto_item_append_text(text_item, " (Unlimited)"); } break; } subpos += sublength + 2; } break; case UPSTREAM_TRANSMIT_POWER_REPORTING: subpos = pos + 2; proto_tree_add_item (tlv_tree, hf_docsis_mdd_upstream_transmit_power_reporting, tvb, subpos, 1, ENC_BIG_ENDIAN); break; case DSG_DA_TO_DSID_ASSOCIATION_ENTRY: subpos = pos + 2; while (subpos < pos + length + 2) { subtype = tvb_get_guint8 (tvb, subpos); sublength = tvb_get_guint8 (tvb, subpos + 1); switch(subtype) { case DSG_DA_TO_DSID_ASSOCIATION_DA: proto_tree_add_item (tlv_tree, hf_docsis_mdd_dsg_da_to_dsid_association_da, tvb, subpos + 2, 6, ENC_BIG_ENDIAN); break; case DSG_DA_TO_DSID_ASSOCIATION_DSID: proto_tree_add_item (tlv_tree, hf_docsis_mdd_dsg_da_to_dsid_association_dsid, tvb, subpos + 2, 3, ENC_BIG_ENDIAN); break; } subpos += sublength + 2; } break; case CM_STATUS_EVENT_ENABLE_NON_CHANNEL_SPECIFIC_EVENTS: subpos = pos + 2; tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos, 2, "CM-STATUS Event Enable Bitmask for Non-Channel-Specific Events"); tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_sequence_out_of_range, tvb, subpos, 2,ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_operating_on_battery_backup, tvb, subpos , 2,ENC_BIG_ENDIAN); proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_returned_to_ac_power, tvb, subpos , 2,ENC_BIG_ENDIAN); break; } pos += length + 2; } } /* if(tree) */ } /* Register the protocol with Wireshark */ /* this format is require because a script is used to build the C function that calls all the protocol registration. */ void proto_register_docsis_mdd (void) { /* Setup list of header fields See Section 1.6.1 for details*/ static hf_register_info hf[] = { {&hf_docsis_mdd_ccc, {"Configuration Change Count", "docsis_mdd.ccc", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Configuration Change Count", HFILL} }, {&hf_docsis_mdd_number_of_fragments, {"Number of Fragments", "docsis_mdd.number_of_fragments", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Number of Fragments", HFILL} }, {&hf_docsis_mdd_fragment_sequence_number, {"Fragment Sequence Number", "docsis_mdd.fragment_sequence_number", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Fragment Sequence Number", HFILL} }, {&hf_docsis_mdd_current_channel_dcid, {"Current Channel DCID", "docsis_mdd.current_channel_dcid", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Current Channel DCID", HFILL} }, {&hf_docsis_mdd_downstream_active_channel_list_channel_id, {"Channel ID", "docsis_mdd.downstream_active_channel_list_channel_id", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Downstream Active Channel List Channel ID", HFILL} }, {&hf_docsis_mdd_downstream_active_channel_list_frequency, {"Frequency", "docsis_mdd.downstream_active_channel_list_frequency", FT_UINT32, BASE_DEC, NULL, 0x0, "Mdd Downstream Active Channel List Frequency", HFILL} }, {&hf_docsis_mdd_downstream_active_channel_list_annex, {"Annex", "docsis_mdd.downstream_active_channel_list_annex", FT_UINT8, BASE_DEC, VALS(J83_annex_vals), 0xF0, "Mdd Downstream Active Channel List Annex", HFILL} }, {&hf_docsis_mdd_downstream_active_channel_list_modulation_order, {"Modulation Order", "docsis_mdd.downstream_active_channel_list_modulation_order", FT_UINT8, BASE_DEC, VALS(modulation_order_vals), 0x0F, "Mdd Downstream Active Channel List Modulation Order", HFILL} }, {&hf_docsis_mdd_downstream_active_channel_list_primary_capable, {"Primary Capable", "docsis_mdd.downstream_active_channel_list_primary_capable", FT_UINT8, BASE_DEC, VALS(primary_capable_vals), 0x0, "Mdd Downstream Active Channel List Primary Capable", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_timeout, {"MDD Timeout", "docsis_mdd.downstream_active_channel_list_mdd_timeout", FT_UINT16, BASE_DEC, NULL, 0x0002, "Mdd Downstream Active Channel List MDD Timeout", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_failure, {"QAM/FEC Lock Failure", "docsis_mdd.cm_status_event_enable_bitmask_qam_fec_lock_failure", FT_UINT16, BASE_DEC, NULL, 0x0004, "Mdd Downstream Active Channel List QAM/FEC Lock Failure", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_recovery, {"MDD Recovery", "docsis_mdd.cm_status_event_enable_bitmask_mdd_recovery", FT_UINT16, BASE_DEC, NULL, 0x0010, "CM-STATUS event MDD Recovery", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_recovery, {"QAM/FEC Lock Recovery", "docsis_mdd.cm_status_event_enable_bitmask_qam_fec_lock_recovery", FT_UINT16, BASE_DEC, NULL, 0x0020, "CM-STATUS event QAM/FEC Lock Recovery", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_t4_timeout, {"T4 timeout", "docsis_mdd.cm_status_event_enable_bitmask_t4_timeout", FT_UINT16, BASE_DEC, NULL, 0x0040, "CM-STATUS event T4 timeout", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_t3_retries_exceeded, {"T3 Retries Exceeded", "docsis_mdd.cm_status_event_enable_bitmask_t3_retries_exceeded", FT_UINT16, BASE_DEC, NULL, 0x0080, "CM-STATUS event T3 Retries Exceeded", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_bitmask_successful_ranging_after_t3_retries_exceeded, {"Successful Ranging after T3 Retries Exceeded", "docsis_mdd.cm_status_event_enable_bitmask_successful_ranging_after_t3_retries_exceeded", FT_UINT16, BASE_DEC, NULL, 0x0100, "CM-STATUS event Successful Ranging after T3 Retries Exceeded", HFILL} }, {&hf_docsis_mdd_mac_domain_downstream_service_group_channel_id, {"Channel Id", "docsis_mdd.mac_domain_downstream_service_group_channel_id", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Mac Domain Downstream Service Group Channel Id", HFILL} }, {&hf_docsis_mdd_mac_domain_downstream_service_group_md_ds_sg_identifier, {"MD-DS-SG Identifier", "docsis_mdd.mac_domain_downstream_service_group_md_ds_sg_identifier", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Mac Domain Downstream Service Group MD-DS-SG Identifier", HFILL} }, {&hf_docsis_mdd_downstream_ambiguity_resolution_frequency, {"Frequency", "docsis_mdd.downstream_ambiguity_resolution_frequency", FT_UINT32, BASE_DEC, NULL, 0x0, "Mdd Downstream Ambiguity Resolution frequency", HFILL} }, {&hf_docsis_mdd_rpc_center_frequency_spacing, {"RPC Center Frequency Spacing", "docsis_mdd.rpc_center_frequency_spacing", FT_UINT8, BASE_DEC, VALS(rpc_center_frequency_spacing_vals), 0x0, "Mdd RPC Center Frequency Spacing", HFILL} }, {&hf_docsis_mdd_verbose_rcp_reporting, {"Verbose RCP reporting", "docsis_mdd.verbose_rpc_reporting", FT_UINT8, BASE_DEC, VALS(verbose_rpc_reporting_vals), 0x0, "Mdd Verbose RPC Reporting", HFILL} }, {&hf_docsis_mdd_ip_provisioning_mode, {"IP Provisioning Mode", "docsis_mdd.ip_provisioning_mode", FT_UINT8, BASE_DEC, VALS(ip_provisioning_mode_vals), 0x0, "Mdd IP Provisioning Mode", HFILL} }, {&hf_docsis_mdd_pre_registration_dsid, {"Pre-registration DSID", "docsis_mdd.pre_registration_dsid", FT_UINT24, BASE_DEC, NULL, 0x0FFFFF, "Mdd Pre-registration DSID", HFILL} }, {&hf_docsis_mdd_early_authentication_and_encryption, {"Early Authentication and Encryption", "docsis_mdd.early_authentication_and_encryption", FT_UINT8, BASE_DEC, VALS(eae_vals), 0x0, "Mdd Early Authentication and Encryption", HFILL} }, {&hf_docsis_mdd_upstream_active_channel_list_upstream_channel_id, {"Upstream Channel Id", "docsis_mdd.upstream_active_channel_list_upstream_channel_id", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Upstream Active Channel List Upstream Channel Id", HFILL} }, {&hf_docsis_mdd_upstream_ambiguity_resolution_channel_list_channel_id, {"Channel Id", "docsis_mdd.upstream_ambiguity_resolution_channel_list_channel_id", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Mac Domain Upstream Ambiguity Resolution Channel List Channel Id", HFILL} }, {&hf_docsis_mdd_upstream_frequency_range, {"Upstream Frequency Range", "docsis_mdd.upstream_frequency_range", FT_UINT8, BASE_DEC, VALS(upstream_frequency_range_vals), 0x0, "Mdd Upstream Frequency Range", HFILL} }, {&hf_docsis_mdd_symbol_clock_locking_indicator, {"Symbol Clock Locking Indicator", "docsis_mdd.symbol_clock_locking_indicator", FT_UINT8, BASE_DEC, VALS(symbol_clock_locking_indicator_vals), 0x0, "Mdd Symbol Clock Locking Indicator", HFILL} }, {&hf_docsis_mdd_event_type, {"Event Type", "docsis_mdd.event_type", FT_UINT8, BASE_DEC, VALS(symbol_cm_status_event_vals), 0x0, "Mdd CM-STATUS Event Type", HFILL} }, {&hf_docsis_mdd_maximum_event_holdoff_timer, {"Maximum Event Holdoff Timer (units of 20 ms)", "docsis_mdd.maximum_event_holdoff_timer", FT_UINT16, BASE_DEC, NULL, 0x0, "Mdd Maximum Event Holdoff Timer", HFILL} }, {&hf_docsis_mdd_maximum_number_of_reports_per_event, {"Maximum Number of Reports per Event", "docsis_mdd.maximum_number_of_reports_per_event", FT_UINT8, BASE_DEC, NULL, 0x0, "Mdd Maximum Number of Reports per Event", HFILL} }, {&hf_docsis_mdd_upstream_transmit_power_reporting, {"Upstream Transmit Power Reporting", "docsis_mdd.upstream_transmit_power_reporting", FT_UINT8, BASE_DEC, VALS(upstream_transmit_power_reporting_vals), 0x0, "Mdd Upstream Transmit Power Reporting", HFILL} }, {&hf_docsis_mdd_dsg_da_to_dsid_association_da, {"Destination Address", "docsis_mdd.dsg_da_to_dsid_association_da", FT_ETHER, BASE_NONE, NULL, 0x0, "Mdd DSG DA to DSID association Destination Address", HFILL} }, {&hf_docsis_mdd_dsg_da_to_dsid_association_dsid, {"DSID", "docsis_mdd.dsg_da_to_dsid_association_dsid", FT_UINT24, BASE_DEC, NULL, 0x0FFFFF, "Mdd Mdd DSG DA to DSID association DSID", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_sequence_out_of_range, {"Sequence out of range", "docsis_mdd.cm_status_event_enable_non_channel_specific_events_sequence_out_of_range", FT_UINT16, BASE_DEC, NULL, 0x0008, "CM-STATUS event non-channel-event Sequence out of range", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_operating_on_battery_backup, {"CM operating on battery backup", "docsis_mdd.cm_status_event_enable_non_channel_specific_events_cm_operating_on_battery_backup", FT_UINT16, BASE_DEC, NULL, 0x0200, "CM-STATUS event non-channel-event Cm operating on battery backup", HFILL} }, {&hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_returned_to_ac_power, {"Returned to AC power", "docsis_mdd.cm_status_event_enable_non_channel_specific_events_cm_returned_to_ac_power", FT_UINT16, BASE_DEC, NULL, 0x0400, "CM-STATUS event non-channel-event Cm returned to AC power", HFILL} }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_docsis_mdd, &ett_tlv, &ett_sub_tlv }; /* Register the protocol name and description */ proto_docsis_mdd = proto_register_protocol ("DOCSIS Mac Domain Description", "DOCSIS Mdd", "docsis_mdd"); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array (proto_docsis_mdd, hf, array_length (hf)); proto_register_subtree_array (ett, array_length (ett)); register_dissector ("docsis_mdd", dissect_mdd, proto_docsis_mdd); } /* If this dissector uses sub-dissector registration add a registration routine. This format is required because a script is used to find these routines and create the code that calls these routines. */ void proto_reg_handoff_docsis_mdd (void) { dissector_handle_t docsis_mdd_handle; docsis_mdd_handle = find_dissector ("docsis_mdd"); dissector_add_uint ("docsis_mgmt", 33, docsis_mdd_handle); }