forked from osmocom/wireshark
765 lines
31 KiB
C
765 lines
31 KiB
C
/* packet-mdd.c
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* $Id$
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* Routines for MDD Message dissection
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* Copyright 2007, Bruno Verstuyft <bruno.verstuyft@excentis.com>
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*
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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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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST 1
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#define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP 2
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#define DOWNSTREAM_AMBIGUITY_RESOLUTION_FREQUENCY_LIST 3
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#define RECEIVE_CHANNEL_PROFILE_REPORTING_CONTROL 4
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#define IP_INITIALIZATION_PARAMETERS 5
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#define EARLY_AUTHENTICATION_AND_ENCRYPTION 6
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#define UPSTREAM_ACTIVE_CHANNEL_LIST 7
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#define UPSTREAM_AMBIGUITY_RESOLUTION_CHANNEL_LIST 8
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#define UPSTREAM_FREQUENCY_RANGE 9
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#define SYMBOL_CLOCK_LOCKING_INDICATOR 10
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#define CM_STATUS_EVENT_CONTROL 11
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#define UPSTREAM_TRANSMIT_POWER_REPORTING 12
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#define DSG_DA_TO_DSID_ASSOCIATION_ENTRY 13
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#define CM_STATUS_EVENT_ENABLE_NON_CHANNEL_SPECIFIC_EVENTS 15
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/*Downstream Active Channel List*/
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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST_CHANNEL_ID 1
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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST_FREQUENCY 2
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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST_MODULATION_ORDER_ANNEX 3
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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST_PRIMARY_CAPABLE 4
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#define DOWNSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK 5
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/*Mac Domain Downstream Service Group*/
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#define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_MD_DS_SG_IDENTIFIER 1
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#define MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP_CHANNEL_IDS 2
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/*Modulation Orders*/
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#define QAM64 0
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#define QAM256 1
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/*Annexes*/
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#define J83_ANNEX_A 0
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#define J83_ANNEX_B 1
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#define J83_ANNEX_C 2
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/*Primary Capable*/
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#define NOT_PRIMARY_CAPABLE 0
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#define PRIMARY_CAPABLE 1
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/*Receive Channel Profile Reporting Control*/
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#define RCP_CENTER_FREQUENCY_SPACING 1
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#define VERBOSE_RCP_REPORTING 2
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/*Frequency spacing*/
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#define ASSUME_6MHZ_CENTER_FREQUENCY_SPACING 0
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#define ASSUME_8MHZ_CENTER_FREQUENCY_SPACING 1
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/*Verbose RCP reporting*/
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#define RCP_NO_VERBOSE_REPORTING 0
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#define RCP_VERBOSE_REPORTING 1
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/*Sub-TLVs for IP Initialization Parameters*/
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#define IP_PROVISIONING_MODE 1
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#define PRE_REGISTRATION_DSID 2
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/*IP Provisioning Modes*/
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#define IPv4_ONLY 0
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#define IPv6_ONLY 1
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#define IP_ALTERNATE 2
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#define DUAL_STACK 3
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/*Early authentication and encryption*/
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#define EAE_DISABLED 0
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#define EAE_ENABLED 1
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/*Upstream Active Channel List*/
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#define UPSTREAM_ACTIVE_CHANNEL_LIST_UPSTREAM_CHANNEL_ID 1
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#define UPSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK 2
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/*Upstream Frequency Range*/
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#define STANDARD_UPSTREAM_FREQUENCY_RANGE 0
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#define EXTENDED_UPSTREAM_FREQUENCY_RANGE 1
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/*Symbol Clock Locking Indicator*/
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#define NOT_LOCKED_TO_MASTER_CLOCK 0
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#define LOCKED_TO_MASTER_CLOCK 1
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/*CM-STATUS Event Control */
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#define EVENT_TYPE_CODE 1
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#define MAXIMUM_EVENT_HOLDOFF_TIMER 2
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#define MAXIMUM_NUMBER_OF_REPORTS_PER_EVENT 3
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/*CM-STATUS Events*/
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#define SECONDARY_CHANNEL_MDD_TIMEOUT 1
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#define QAM_FEC_LOCK_FAILURE 2
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#define SEQUENCE_OUT_OF_RANGE 3
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#define MDD_RECOVERY 4
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#define QAM_FEC_LOCK_RECOVERY 5
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#define T4_TIMEOUT 6
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#define T3_RETRIES_EXCEEDED 7
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#define SUCCESFUL_RANGING_AFTER_T3_RETRIES_EXCEEDED 8
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#define CM_OPERATING_ON_BATTERY_BACKUP 9
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#define CM_RETURNED_TO_AC_POWER 10
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/*Upstream Transmit Power Reporting*/
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#define CM_DOESNT_REPORT_TRANSMIT_POWER 0
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#define CM_REPORTS_TRANSMIT_POWER 1
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/*Dsg DA to DSID association entry*/
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#define DSG_DA_TO_DSID_ASSOCIATION_DA 1
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#define DSG_DA_TO_DSID_ASSOCIATION_DSID 2
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void proto_register_docsis_mdd(void);
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void proto_reg_handoff_docsis_mdd(void);
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static const value_string J83_annex_vals[] = {
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{J83_ANNEX_A, "J.83 Annex A"},
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{J83_ANNEX_B, "J.83 Annex B"},
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{J83_ANNEX_C, "J.83 Annex C"},
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{0, NULL}
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};
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static const value_string modulation_order_vals[] = {
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{QAM64, "64 QAM"},
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{QAM256, "256 QAM"},
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{0, NULL}
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};
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static const value_string primary_capable_vals[] = {
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{NOT_PRIMARY_CAPABLE, "Channel is not primary-capable"},
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{PRIMARY_CAPABLE, "channel is primary-capable"},
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{0, NULL}
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};
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static const value_string mdd_tlv_vals[] = {
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{DOWNSTREAM_ACTIVE_CHANNEL_LIST, "Downstream Active Channel List"},
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{MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP, "Mac Domain Downstream Service Group"},
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{DOWNSTREAM_AMBIGUITY_RESOLUTION_FREQUENCY_LIST, "Downstream Ambiguity Resolution Frequency List "},
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{RECEIVE_CHANNEL_PROFILE_REPORTING_CONTROL , "Receive Channel Profile Reporting Control"},
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{IP_INITIALIZATION_PARAMETERS , "IP Initialization Parameters"},
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{EARLY_AUTHENTICATION_AND_ENCRYPTION , "Early Authentication and Encryption"},
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{UPSTREAM_ACTIVE_CHANNEL_LIST , "Upstream Active Channel List"},
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{UPSTREAM_AMBIGUITY_RESOLUTION_CHANNEL_LIST , "Upstream Ambiguity Resolution Channel List"},
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{UPSTREAM_FREQUENCY_RANGE , "Upstream Frequency Range"},
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{SYMBOL_CLOCK_LOCKING_INDICATOR , "Symbol Clock Locking Indicator"},
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{CM_STATUS_EVENT_CONTROL , "CM-STATUS Event Control"},
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{UPSTREAM_TRANSMIT_POWER_REPORTING , "Upstream Transmit Power Reporting"},
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{DSG_DA_TO_DSID_ASSOCIATION_ENTRY , "DSG DA-to-DSID Association Entry"},
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{CM_STATUS_EVENT_ENABLE_NON_CHANNEL_SPECIFIC_EVENTS ,
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"CM-STATUS Event Enable for Non-Channel-Specific-Events"},
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{0, NULL}
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};
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static const value_string rpc_center_frequency_spacing_vals[] = {
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{ASSUME_6MHZ_CENTER_FREQUENCY_SPACING , "CM MUST report only Receive Channel Profiles assuming 6 MHz center frequency spacing"},
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{ASSUME_8MHZ_CENTER_FREQUENCY_SPACING , "CM MUST report only Receive Channel Profiles assuming 8 MHz center frequency spacing"},
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{0, NULL}
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};
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static const value_string verbose_rpc_reporting_vals[] = {
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{RCP_NO_VERBOSE_REPORTING , "CM MUST NOT provide verbose reporting of all its Receive Channel Profile(s) (both standard profiles and manufacturers profiles)."},
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{RCP_VERBOSE_REPORTING , "CM MUST provide verbose reporting of Receive Channel Profile(s) (both standard profiles and manufacturers profiles)."},
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{0, NULL}
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};
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static const value_string ip_provisioning_mode_vals[] = {
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{IPv4_ONLY , "IPv4 Only"},
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{IPv6_ONLY , "IPv6 Only"},
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{IP_ALTERNATE, "Alternate"},
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{DUAL_STACK , "Dual Stack"},
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{0, NULL}
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};
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static const value_string eae_vals[] = {
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{EAE_DISABLED , "early authentication and encryption disabled"},
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{EAE_ENABLED , "early authentication and encryption enabled"},
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{0, NULL}
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};
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static const value_string upstream_frequency_range_vals[] = {
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{STANDARD_UPSTREAM_FREQUENCY_RANGE, "Standard Upstream Frequency Range"},
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{EXTENDED_UPSTREAM_FREQUENCY_RANGE, "Extended Upstream Frequency Range"},
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{0, NULL}
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};
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static const value_string symbol_clock_locking_indicator_vals[] = {
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{NOT_LOCKED_TO_MASTER_CLOCK, "Symbol Clock is not locked to Master Clock"},
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{LOCKED_TO_MASTER_CLOCK, "Symbol Clock is locked to Master Clock"},
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{0, NULL}
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};
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static const value_string symbol_cm_status_event_vals[] = {
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{SECONDARY_CHANNEL_MDD_TIMEOUT, "Secondary Channel MDD timeout"},
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{QAM_FEC_LOCK_FAILURE, "Qam FEC Lock Failure"},
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{SEQUENCE_OUT_OF_RANGE, "Sequence out of Range"},
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{MDD_RECOVERY, "MDD Recovery"},
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{QAM_FEC_LOCK_RECOVERY, "Qam FEC Lock Recovery"},
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{T4_TIMEOUT, "T4 Timeout"},
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{T3_RETRIES_EXCEEDED, "T3 Retries Exceeded"},
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{SUCCESFUL_RANGING_AFTER_T3_RETRIES_EXCEEDED, "Successful ranging after T3 Retries Exceeded"},
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{CM_OPERATING_ON_BATTERY_BACKUP, "CM Operating on Battery Backup"},
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{CM_RETURNED_TO_AC_POWER, "CM Returned to AC Power"},
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{0, NULL}
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};
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static const value_string upstream_transmit_power_reporting_vals[] = {
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{CM_DOESNT_REPORT_TRANSMIT_POWER, "CM does not report transmit power in RNG-REQ, INIT-RNG-REQ, and B-INIT-RNG-REQ messages"},
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{CM_REPORTS_TRANSMIT_POWER, "CM reports transmit power in RNG-REQ, INIT-RNG-REQ, and B-INIT-RNG-REQ messages"},
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{0, NULL}
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};
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/* Initialize the protocol and registered fields */
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static int proto_docsis_mdd = -1;
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static int hf_docsis_mdd_ccc = -1;
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static int hf_docsis_mdd_number_of_fragments = -1;
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static int hf_docsis_mdd_fragment_sequence_number = -1;
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static int hf_docsis_mdd_current_channel_dcid = -1;
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static int hf_docsis_mdd_downstream_active_channel_list_channel_id = -1;
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static int hf_docsis_mdd_downstream_active_channel_list_frequency = -1;
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static int hf_docsis_mdd_downstream_active_channel_list_annex = -1;
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static int hf_docsis_mdd_downstream_active_channel_list_modulation_order = -1;
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static int hf_docsis_mdd_downstream_active_channel_list_primary_capable = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_timeout = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_failure = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_recovery = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_qam_fec_lock_recovery = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_t4_timeout = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_t3_retries_exceeded = -1;
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static int hf_docsis_mdd_cm_status_event_enable_bitmask_successful_ranging_after_t3_retries_exceeded = -1;
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static int hf_docsis_mdd_mac_domain_downstream_service_group_md_ds_sg_identifier = -1;
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static int hf_docsis_mdd_mac_domain_downstream_service_group_channel_id = -1;
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static int hf_docsis_mdd_downstream_ambiguity_resolution_frequency = -1;
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static int hf_docsis_mdd_rpc_center_frequency_spacing = -1;
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static int hf_docsis_mdd_verbose_rcp_reporting = -1;
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static int hf_docsis_mdd_ip_provisioning_mode = -1;
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static int hf_docsis_mdd_pre_registration_dsid = -1;
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static int hf_docsis_mdd_early_authentication_and_encryption = -1;
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static int hf_docsis_mdd_upstream_active_channel_list_upstream_channel_id = -1;
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static int hf_docsis_mdd_upstream_ambiguity_resolution_channel_list_channel_id = -1;
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static int hf_docsis_mdd_upstream_frequency_range = -1;
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static int hf_docsis_mdd_symbol_clock_locking_indicator = -1;
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static int hf_docsis_mdd_event_type = -1;
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static int hf_docsis_mdd_maximum_event_holdoff_timer = -1;
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static int hf_docsis_mdd_maximum_number_of_reports_per_event = -1;
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static int hf_docsis_mdd_upstream_transmit_power_reporting = -1;
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static int hf_docsis_mdd_dsg_da_to_dsid_association_da = -1;
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static int hf_docsis_mdd_dsg_da_to_dsid_association_dsid = -1;
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static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_sequence_out_of_range = -1;
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static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_operating_on_battery_backup = -1;
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static int hf_docsis_mdd_cm_status_event_enable_non_channel_specific_events_cm_returned_to_ac_power = -1;
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/* Initialize the subtree pointers */
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static gint ett_docsis_mdd = -1;
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static gint ett_tlv = -1;
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static gint ett_sub_tlv = -1;
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static void
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dissect_mdd (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
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{
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proto_item *it;
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proto_tree *mdd_tree;
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int pos;
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int subpos = 0;
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gint len;
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guint8 type, length;
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guint8 subtype, sublength;
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int i;
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proto_item *tlv_item;
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proto_tree *tlv_tree;
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proto_item *tlv_sub_item;
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proto_tree *tlv_sub_tree;
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proto_item *text_item;
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len = tvb_reported_length_remaining (tvb, 0);
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col_set_str(pinfo->cinfo, COL_INFO, "MDD Message:");
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if (tree)
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{
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it = proto_tree_add_protocol_format (tree, proto_docsis_mdd, tvb, 0, -1,"MDD Message");
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mdd_tree = proto_item_add_subtree (it, ett_docsis_mdd);
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proto_tree_add_item (mdd_tree, hf_docsis_mdd_ccc, tvb, 0, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item (mdd_tree, hf_docsis_mdd_number_of_fragments, tvb, 1, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item (mdd_tree, hf_docsis_mdd_fragment_sequence_number, tvb, 2, 1, ENC_BIG_ENDIAN);
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proto_tree_add_item (mdd_tree, hf_docsis_mdd_current_channel_dcid, tvb, 3, 1, ENC_BIG_ENDIAN);
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/*TLVs...*/
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pos = 4;
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while (pos < len)
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{
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type = tvb_get_guint8 (tvb, pos);
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length = tvb_get_guint8 (tvb, pos + 1);
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tlv_item = proto_tree_add_text (mdd_tree, tvb, pos, length + 2,"%s", val_to_str(type, mdd_tlv_vals, "Unknown TLV (%u)"));
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tlv_tree = proto_item_add_subtree (tlv_item, ett_tlv);
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switch(type) {
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST:
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subpos = pos + 2;
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while (subpos < pos + length + 2) {
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subtype = tvb_get_guint8 (tvb, subpos);
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sublength = tvb_get_guint8 (tvb, subpos + 1);
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switch(subtype) {
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST_CHANNEL_ID:
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proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_channel_id, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN);
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break;
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST_FREQUENCY:
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proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_frequency, tvb, subpos + 2 , 4, ENC_BIG_ENDIAN);
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break;
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST_MODULATION_ORDER_ANNEX:
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tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos + 2, 1, "Modulation Order/Annex");
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tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv);
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proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_downstream_active_channel_list_modulation_order, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN);
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proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_downstream_active_channel_list_annex, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN);
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break;
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST_PRIMARY_CAPABLE:
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proto_tree_add_item (tlv_tree, hf_docsis_mdd_downstream_active_channel_list_primary_capable, tvb, subpos + 2 , 1, ENC_BIG_ENDIAN);
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break;
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case DOWNSTREAM_ACTIVE_CHANNEL_LIST_CM_STATUS_EVENT_ENABLE_BITMASK:
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tlv_sub_item = proto_tree_add_text (tlv_tree, tvb, subpos + 2, 2, "CM-STATUS Event Enable Bitmask");
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tlv_sub_tree = proto_item_add_subtree (tlv_sub_item, ett_sub_tlv);
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proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_timeout, tvb, subpos + 2 , 2,ENC_BIG_ENDIAN);
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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);
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proto_tree_add_item (tlv_sub_tree, hf_docsis_mdd_cm_status_event_enable_bitmask_mdd_recovery, tvb, subpos + 2 , 2,ENC_BIG_ENDIAN);
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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);
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break;
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}
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subpos += sublength + 2;
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}
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break;
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case MAC_DOMAIN_DOWNSTREAM_SERVICE_GROUP:
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subpos = pos + 2;
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while (subpos < pos + length + 2) {
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subtype = tvb_get_guint8 (tvb, subpos);
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sublength = tvb_get_guint8 (tvb, subpos + 1);
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switch(subtype) {
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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);
|
|
}
|