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wireshark/epan/dissectors/packet-slowprotocols.c

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/* packet-slowprotocols.c
* Routines for EtherType (0x8809) Slow Protocols disassembly.
*
* $Id$
*
* Copyright 2002 Steve Housley <steve_housley@3com.com>
* Copyright 2005 Dominique Bastien <dbastien@accedian.com>
* Copyright 2009 Artem Tamazov <artem.tamazov@telllabs.com>
* Copyright 2010 Roberto Morro <roberto.morro[AT]tilab.com>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include <glib.h>
#include <epan/packet.h>
#include <epan/etypes.h>
#include <epan/llcsaps.h>
#include <epan/ppptypes.h>
#include <epan/addr_resolv.h>
#include <epan/expert.h>
/* General declarations */
#define SLOW_PROTO_SUBTYPE 0
#define LACP_SUBTYPE 0x1
#define MARKER_SUBTYPE 0x2
#define OAM_SUBTYPE 0x3
#define OSSP_SUBTYPE 0xa /* IEEE 802.3 Annex 57A*/
/* Offsets of fields within a LACPDU */
#define LACPDU_VERSION_NUMBER 1
#define LACPDU_ACTOR_TYPE 2
#define LACPDU_ACTOR_INFO_LEN 3
#define LACPDU_ACTOR_SYS_PRIORITY 4
#define LACPDU_ACTOR_SYSTEM 6
#define LACPDU_ACTOR_KEY 12
#define LACPDU_ACTOR_PORT_PRIORITY 14
#define LACPDU_ACTOR_PORT 16
#define LACPDU_ACTOR_STATE 18
#define LACPDU_ACTOR_RESERVED 19
#define LACPDU_PARTNER_TYPE 22
#define LACPDU_PARTNER_INFO_LEN 23
#define LACPDU_PARTNER_SYS_PRIORITY 24
#define LACPDU_PARTNER_SYSTEM 26
#define LACPDU_PARTNER_KEY 32
#define LACPDU_PARTNER_PORT_PRIORITY 34
#define LACPDU_PARTNER_PORT 36
#define LACPDU_PARTNER_STATE 38
#define LACPDU_PARTNER_RESERVED 39
#define LACPDU_COLL_TYPE 42
#define LACPDU_COLL_INFO_LEN 43
#define LACPDU_COLL_MAX_DELAY 44
#define LACPDU_COLL_RESERVED 46
#define LACPDU_TERM_TYPE 58
#define LACPDU_TERM_LEN 59
#define LACPDU_TERM_RESERVED 60
/* Actor and Partner Flag bits */
#define LACPDU_FLAGS_ACTIVITY 0x01
#define LACPDU_FLAGS_TIMEOUT 0x02
#define LACPDU_FLAGS_AGGREGATION 0x04
#define LACPDU_FLAGS_SYNC 0x08
#define LACPDU_FLAGS_COLLECTING 0x10
#define LACPDU_FLAGS_DISTRIB 0x20
#define LACPDU_FLAGS_DEFAULTED 0x40
#define LACPDU_FLAGS_EXPIRED 0x80
/* MARKER TLVs subtype */
#define MARKERPDU_END_MARKER 0x0
#define MARKERPDU_MARKER_INFO 0x1
#define MARKERPDU_MARKER_RESPONSE 0x2
/* Offsets of fields within a OAMPDU */
#define OAMPDU_FLAGS 1
#define OAMPDU_CODE 3
#define OAMPDU_HEADER_SIZE 4
/* OAMPDU Flag bits */
#define OAMPDU_FLAGS_LINK_FAULT 0x01
#define OAMPDU_FLAGS_DYING_GASP 0x02
#define OAMPDU_FLAGS_CRITICAL_EVENT 0x04
#define OAMPDU_FLAGS_LOCAL_EVAL 0x08
#define OAMPDU_FLAGS_LOCAL_STABLE 0x10
#define OAMPDU_FLAGS_REMOTE_EVAL 0x20
#define OAMPDU_FLAGS_REMOTE_STABLE 0x40
/* OAMPDU Code */
#define OAMPDU_INFORMATION 0x0
#define OAMPDU_EVENT_NOTIFICATION 0x1
#define OAMPDU_VAR_REQUEST 0x2
#define OAMPDU_VAR_RESPONSE 0x3
#define OAMPDU_LOOPBACK_CTRL 0x4
#define OAMPDU_VENDOR_SPECIFIC 0xFE
/* Information Type */
#define OAMPDU_INFO_TYPE_ENDMARKER 0x0
#define OAMPDU_INFO_TYPE_LOCAL 0x1
#define OAMPDU_INFO_TYPE_REMOTE 0x2
#define OAMPDU_INFO_TYPE_ORG 0xFE
/* Size of fields within a OAMPDU Information */
#define OAMPDU_INFO_TYPE_SZ 1
#define OAMPDU_INFO_LENGTH_SZ 1
#define OAMPDU_INFO_VERSION_SZ 1
#define OAMPDU_INFO_REVISION_SZ 2
#define OAMPDU_INFO_STATE_SZ 1
#define OAMPDU_INFO_OAM_CONFIG_SZ 1
#define OAMPDU_INFO_OAMPDU_CONFIG_SZ 2
#define OAMPDU_INFO_OUI_SZ 3
#define OAMPDU_INFO_VENDOR_SPECIFIC_SZ 4
/* OAM configuration bits */
#define OAMPDU_INFO_CONFIG_MODE 0x01
#define OAMPDU_INFO_CONFIG_UNI 0x02
#define OAMPDU_INFO_CONFIG_LPBK 0x04
#define OAMPDU_INFO_CONFIG_EVENT 0x08
#define OAMPDU_INFO_CONFIG_VAR 0x10
/* Event Type */
#define OAMPDU_EVENT_TYPE_END 0x0
#define OAMPDU_EVENT_TYPE_ESPE 0x1
#define OAMPDU_EVENT_TYPE_EFE 0x2
#define OAMPDU_EVENT_TYPE_EFPE 0x3
#define OAMPDU_EVENT_TYPE_EFSSE 0x4
#define OAMPDU_EVENT_TYPE_OSE 0xFE
/* Size of fields within a OAMPDU Event notification */
#define OAMPDU_EVENT_SEQUENCE_SZ 2
#define OAMPDU_EVENT_TYPE_SZ 1
#define OAMPDU_EVENT_LENGTH_SZ 1
#define OAMPDU_EVENT_TIMESTAMP_SZ 2
/* Size of fields within a OAMPDU ESPE: Errored Symbol Period Event TLV */
#define OAMPDU_ESPE_WINDOW_SZ 8
#define OAMPDU_ESPE_THRESHOLD_SZ 8
#define OAMPDU_ESPE_ERRORS_SZ 8
#define OAMPDU_ESPE_ERR_TOTAL_SZ 8
#define OAMPDU_ESPE_TOTAL_SZ 4
/* Size of fields within a OAMPDU EFE: Errored Frame Event TLV */
#define OAMPDU_EFE_WINDOW_SZ 2
#define OAMPDU_EFE_THRESHOLD_SZ 4
#define OAMPDU_EFE_ERRORS_SZ 4
#define OAMPDU_EFE_ERR_TOTAL_SZ 8
#define OAMPDU_EFE_TOTAL_SZ 4
/* Size of fields within a OAMPDU EFPE: Errored Frame Period Event TLV */
#define OAMPDU_EFPE_WINDOW_SZ 4
#define OAMPDU_EFPE_THRESHOLD_SZ 4
#define OAMPDU_EFPE_ERRORS_SZ 4
#define OAMPDU_EFPE_ERR_TOTAL_SZ 8
#define OAMPDU_EFPE_TOTAL_SZ 4
/* Size of fields within a OAMPDU EFSSE: Errored Frame Seconds Summary Event TLV */
#define OAMPDU_EFSSE_WINDOW_SZ 2
#define OAMPDU_EFSSE_THRESHOLD_SZ 2
#define OAMPDU_EFSSE_ERRORS_SZ 2
#define OAMPDU_EFSSE_ERR_TOTAL_SZ 4
#define OAMPDU_EFSSE_TOTAL_SZ 4
/* Variable Branch Type */
#define OAMPDU_VARS_OBJECT 0x3
#define OAMPDU_VARS_PACKAGE 0x4
#define OAMPDU_VARS_BINDING 0x6
#define OAMPDU_VARS_ATTRIBUTE 0x7
/* OAMPDU Loopback Control bits */
#define OAMPDU_LPBK_ENABLE 0x01
#define OAMPDU_LPBK_DISABLE 0x02
static const value_string subtype_vals[] = {
{ LACP_SUBTYPE, "LACP" },
{ MARKER_SUBTYPE, "Marker Protocol" },
{ OAM_SUBTYPE, "OAM" },
{ OSSP_SUBTYPE, "Organization Specific Slow Protocol" },
{ 0, NULL }
};
static const value_string marker_vals[] = {
{ 1, "Marker Information" },
{ 2, "Marker Response Information" },
{ 0, NULL }
};
/* see IEEE802.3, table 57-4 */
static const value_string code_vals[] = {
{ 0, "Information" },
{ 1, "Event Notification" },
{ 2, "Variable Request" },
{ 3, "Variable Response" },
{ 4, "Loopback Control"},
{ 0xFE, "Organization Specific" },
{ 0, NULL }
};
/* see IEEE802.3, table 57-6 */
static const value_string info_type_vals[] = {
{ 0, "End of TLV marker" },
{ 1, "Local Information TLV" },
{ 2, "Remote Information TLV" },
{ 0xFE, "Organization Specific Information TLV" },
{ 0, NULL }
};
/* see IEEE802.3, table 57-12 */
static const value_string event_type_vals[] = {
{ 0, "End of TLV marker" },
{ 1, "Errored Symbol Period Event" },
{ 2, "Errored Frame Event" },
{ 3, "Errored Frame Period Event" },
{ 4, "Errored Frame Seconds Summary Event" },
{ 0xFE, "Organization Specific Event TLV" },
{ 0, NULL }
};
/*
* In the OAM protocol the {iso(1) member-body(2) us(840) ieee802dot3(10006)
* csmacdmgt(30)} prefix for the objects is pre-define. Only the
* managedObjectClass(3) is put in the branch and the leaf is one of the
* following value:
*/
static const value_string object_vals[] = {
{ 1, "macObjectClass" },
{ 2, "phyObjectClass"},
{ 3, "repeaterObjectClass"},
{ 4, "groupObjectClass"},
{ 5, "repeaterPortObjectClass"},
{ 6, "mauObjectClass"},
{ 7, "autoNegObjectClass"},
{ 8, "macControlObjectClass"},
{ 9, "macControlFunctionObjectClass"},
{ 10, "oAggregator"},
{ 11, "oAggregationPort"},
{ 12, "oAggPortStats"},
{ 13, "oAggPortDebugInformation" },
{ 15, "pseObjectClass"},
{ 17, "midSpanObjectClass"},
{ 18, "midSpanGroupObjectClass"},
{ 19, "ompObjectClass"},
{ 20, "oamObjectClass" },
{ 21, "mpcpObjectClass" },
{ 24, "pafObjectClass" },
{ 25, "pmeObjectClass"},
{ 0, NULL }
};
/*
* In the OAM protocol the {iso(1) member-body(2) us(840) ieee802dot3(10006)
* csmacdmgt(30)} prefix for the objects is pre-define. Only the
* package(4) is put in the branch and the leaf is one of the
* following value:
*/
static const value_string package_vals[] = {
{ 1, "macMandatoryPkg" },
{ 2, "macRecommendedPkg" },
{ 3, "macOptionalPkg" },
{ 4, "macarrayPkg" },
{ 5, "macExcessiveDeferralPkg" },
{ 6, "phyRecommendedPkg" },
{ 7, "phyMultiplePhyPkg" },
{ 8, "phy100MbpsMonitor" },
{ 9, "repeaterPerfMonitorPkg"},
{ 10, "portPerfMonitorPkg"},
{ 11, "portAddrTrackPkg"},
{ 12, "port100MbpsMonitor"},
{ 13, "mauControlPkg"},
{ 14, "mediaLossTrackingPkg"},
{ 15, "broadbandMAUPkg"},
{ 16, "mau100MbpsMonitor"},
{ 17, "macControlRecommendedPkg" },
{ 18, "portBurst"},
{ 19, "pAggregatorMandatory"},
{ 20, "pAggregatorRecommended"},
{ 21, "pAggregatorOptional"},
{ 22, "pAggregationPortMandatory"},
{ 23, "pAggPortStats"},
{ 24, "pAggPortDebugInformation"},
{ 27, "pseRecommendedPkg"},
{ 30, "fecMonitor"},
{ 35, "pcsMonitor"},
{ 37, "oMPError"},
{ 38, "pafAggregation"},
{ 0, NULL }
};
/*
* In the OAM protocol the {iso(1) member-body(2) us(840) ieee802dot3(10006)
* csmacdmgt(30)} prefix for the objects is pre-define. Only the
* nameBinding(6) is put in the branch and the leaf is one of the
* following value:
*/
static const value_string binding_vals[] = {
{ 26, "repeaterPortName"},
{ 0, NULL }
};
/*
* In the OAM protocol the {iso(1) member-body(2) us(840) ieee802dot3(10006)
* csmacdmgt(30)} prefix for the objects is pre-define. Only the
* attribute(7) is put in the branch and the leaf is one of the
* following value:
*/
static const value_string attribute_vals[] = {
{ 1, "aMACID" },
{ 2, "aFramesTransmittedOK" },
{ 3, "aSingleCollisionFrames" },
{ 4, "aMultipleCollisionFrames" },
{ 5, "aFramesReceivedOK" },
{ 6, "aFrameCheckSequenceErrors" },
{ 7, "aAlignmentErrors" },
{ 8, "aOctetsTransmittedOK" },
{ 9, "aFramesWithDeferredXmissions" },
{ 10, "aLateCollisions" },
{ 11, "aFramesAbortedDueToXSColls" },
{ 12, "aFramesLostDueToIntMACXmitError" },
{ 13, "aCarrierSenseErrors" },
{ 14, "aOctetsReceivedOK" },
{ 15, "aFramesLostDueToIntMACRcvError" },
{ 16, "aPromiscuousStatus" },
{ 17, "aReadMulticastAddressList" },
{ 18, "aMulticastFramesXmittedOK" },
{ 19, "aBroadcastFramesXmittedOK" },
{ 20, "aFramesWithExcessiveDeferral" },
{ 21, "aMulticastFramesReceivedOK" },
{ 22, "aBroadcastFramesReceivedOK" },
{ 23, "aInRangeLengthErrors" },
{ 24, "aOutOfRangeLengthField" },
{ 25, "aFrameTooLongErrors" },
{ 26, "aMACEnableStatus" },
{ 27, "aTransmitEnableStatus" },
{ 28, "aMulticastReceiveStatus" },
{ 29, "aReadWriteMACAddress" },
{ 30, "aCollisionFrames" },
{ 31, "aPHYID" },
{ 32, "aPHYType" },
{ 33, "aPHYTypeList" },
{ 34, "aSQETestErrors" },
{ 35, "aSymbolErrorDuringCarrier" },
{ 36, "aMIIDetect" },
{ 37, "aPHYAdminState" },
{ 38, "aRepeaterID" },
{ 39, "aRepeaterType" },
{ 40, "aRepeaterGroupCapacity" },
{ 41, "aGroupMap" },
{ 42, "aRepeaterHealthState" },
{ 43, "aRepeaterHealthText" },
{ 44, "aRepeaterHealthData" },
{ 44, "aTransmitCollisions" },
{ 46, "aGroupID" },
{ 47, "aGroupPortCapacity" },
{ 48, "aPortMap" },
{ 49, "aPortID" },
{ 50, "aPortAdminState" },
{ 51, "aAutoPartitionState" },
{ 52, "aReadableFrames" },
{ 53, "aReadableOctets" },
{ 54, "aFrameCheckSequenceErrors" },
{ 55, "aAlignmentErrors" },
{ 56, "aFramesTooLong" },
{ 57, "aShortEvents" },
{ 58, "aRunts" },
{ 59, "aCollisions" },
{ 60, "aLateEvents" },
{ 61, "aVeryLongEvents" },
{ 62, "aDataRateMismatches" },
{ 63, "aAutoPartitions" },
{ 64, "aIsolates" },
{ 65, "aSymbolErrorDuringPacket" },
{ 66, "aLastSourceAddress" },
{ 67, "aSourceAddressChanges" },
{ 68, "aMAUID" },
{ 69, "aMAUType" },
{ 70, "aMAUTypeList" },
{ 71, "aMediaAvailable" },
{ 72, "aLoseMediaCounter" },
{ 73, "aJabber" },
{ 74, "aMAUAdminState" },
{ 75, "aBbMAUXmitRcvSplitType" },
{ 76, "aBroadbandFrequencies" },
{ 77, "aFalseCarriers" },
{ 78, "aAutoNegID" },
{ 79, "aAutoNegAdminState" },
{ 80, "aAutoNegRemoteSignaling" },
{ 81, "aAutoNegAutoConfig" },
{ 82, "aAutoNegLocalTechnologyAbility" },
{ 83, "aAutoNegAdvertisedTechnologyAbility" },
{ 84, "aAutoNegReceivedTechnologyAbility" },
{ 85, "aAutoNegLocalSelectorAbility" },
{ 86, "aAutoNegAdvertisedSelectorAbility" },
{ 87, "aAutoNegReceivedSelectorAbility" },
{ 89, "aMACCapabilities" },
{ 90, "aDuplexStatus" },
{ 91, "aIdleErrorCount"},
{ 92, "aMACControlID" },
{ 93, "aMACControlFunctionsSupported" },
{ 94, "aMACControlFramesTransmitted" },
{ 95, "aMACControlFramesReceived" },
{ 96, "aUnsupportedOpcodesReceived" },
{ 97, "aPAUSELinkDelayAllowance" },
{ 98, "aPAUSEMACCtrlFramesTransmitted" },
{ 99, "aPAUSEMACCtrlFramesReceived" },
{ 100, "aBursts" },
{ 101, "aAggID" },
{ 102, "aAggDescription" },
{ 103, "aAggName" },
{ 104, "aAggActorSystemID" },
{ 105, "aAggActorSystemPriority" },
{ 106, "aAggAggregateOrIndividual" },
{ 107, "aAggActorAdminKey" },
{ 108, "aAggActorOperKey" },
{ 109, "aAggMACAddress" },
{ 110, "aAggPartnerSystemID" },
{ 111, "aAggPartnerSystemPriority" },
{ 112, "aAggPartnerOperKey" },
{ 113, "aAggAdminState" },
{ 114, "aAggOperState" },
{ 115, "aAggTimeOfLastOperChange" },
{ 116, "aAggDataRate" },
{ 117, "aAggOctetsTxOK" },
{ 118, "aAggOctetsRxOK" },
{ 119, "aAggFramesTxOK" },
{ 120, "aAggFramesRxOK" },
{ 121, "aAggMulticastFramesTxOK" },
{ 122, "aAggMulticastFramesRxOK" },
{ 123, "aAggBroadcastFramesTxOK" },
{ 124, "aAggBroadcastFramesRxOK" },
{ 125, "aAggFramesDiscardedOnTx" },
{ 126, "aAggFramesDiscardedOnRx" },
{ 127, "aAggFramesWithTxErrors" },
{ 128, "aAggFramesWithRxErrors" },
{ 129, "aAggUnknownProtocolFrames" },
{ 130, "aAggLinkUpDownNotificationEnable" },
{ 131, "aAggPortList" },
{ 132, "aAggCollectorMaxDelay" },
{ 133, "aAggPortID" },
{ 134, "aAggPortActorSystemPriority" },
{ 135, "aAggPortActorSystemID" },
{ 136, "aAggPortActorAdminKey" },
{ 137, "aAggPortActorOperKey" },
{ 138, "aAggPortPartnerAdminSystemPriority" },
{ 139, "aAggPortPartnerOperSystemPriority" },
{ 140, "aAggPortPartnerAdminSystemID" },
{ 141, "aAggPortPartnerOperSystemID" },
{ 142, "aAggPortPartnerAdminKey" },
{ 143, "aAggPortPartnerOperKey" },
{ 144, "aAggPortSelectedAggID" },
{ 145, "aAggPortAttachedAggID" },
{ 146, "aAggPortActorPort" },
{ 147, "aAggPortActorPortPriority" },
{ 148, "aAggPortPartnerAdminPort" },
{ 149, "aAggPortPartnerOperPort" },
{ 150, "aAggPortPartnerAdminPortPriority" },
{ 151, "aAggPortPartnerOperPortPriority" },
{ 152, "aAggPortActorAdminState" },
{ 153, "aAggPortActorOperState" },
{ 154, "aAggPortPartnerAdminState" },
{ 155, "aAggPortPartnerOperState" },
{ 156, "aAggPortAggregateOrIndividual" },
{ 157, "aAggPortStatsID" },
{ 158, "aAggPortStatsLACPDUsRx" },
{ 159, "aAggPortStatsMarkerPDUsRx" },
{ 160, "aAggPortStatsMarkerResponsePDUsRx" },
{ 161, "aAggPortStatsUnknownRx" },
{ 162, "aAggPortStatsIllegalRx" },
{ 163, "aAggPortStatsLACPDUsTx" },
{ 164, "aAggPortStatsMarkerPDUsTx" },
{ 165, "aAggPortStatsMarkerResponsePDUsTx" },
{ 166, "aAggPortDebugInformationID" },
{ 167, "aAggPortDebugRxState" },
{ 168, "aAggPortDebugLastRxTime" },
{ 169, "aAggPortDebugMuxState" },
{ 170, "aAggPortDebugMuxReason" },
{ 171, "aAggPortDebugActorChurnState" },
{ 172, "aAggPortDebugPartnerChurnState" },
{ 173, "aAggPortDebugActorChurnCount" },
{ 174, "aAggPortDebugPartnerChurnCount" },
{ 175, "aAggPortDebugActorSyncTransitionCount" },
{ 176, "aAggPortDebugPartnerSyncTransitionCount" },
{ 177, "aAggPortDebugActorChangeCount" },
{ 178, "aAggPortDebugPartnerChangeCount" },
{ 236, "aOAMID" },
{ 237, "aOAMAdminState" },
{ 238, "aOAMMode" },
{ 239, "aOAMRemoteMACAddress" },
{ 240, "aOAMRemoteConfiguration" },
{ 241, "aOAMRemotePDUConfiguration" },
{ 242, "aOAMLocalFlagsField" },
{ 243, "aOAMRemoteFlagsField" },
{ 244, "aOAMRemoteRevision" },
{ 245, "aOAMRemoteState" },
{ 246, "aOAMRemoteVendorOUI" },
{ 247, "aOAMRemoteVendorSpecificInfo" },
{ 250, "aOAMUnsupportedCodesRx" },
{ 251, "aOAMInformationTx" },
{ 252, "aOAMInformationRx" },
{ 254, "aOAMUniqueEventNotificationRx" },
{ 255, "aOAMDuplicateEventNotificationRx" },
{ 256, "aOAMLoopbackControlTx" },
{ 257, "aOAMLoopbackControlRx" },
{ 258, "aOAMVariableRequestTx" },
{ 259, "aOAMVariableRequestRx" },
{ 260, "aOAMVariableResponseTx" },
{ 261, "aOAMVariableResponseRx" },
{ 262, "aOAMOrganizationSpecificTx" },
{ 263, "aOAMOrganizationSpecificRx" },
{ 264, "aOAMLocalErrSymPeriodConfig" },
{ 265, "aOAMLocalErrSymPeriodEvent" },
{ 266, "aOAMLocalErrFrameConfig" },
{ 267, "aOAMLocalErrFrameEvent" },
{ 268, "aOAMLocalErrFramePeriodConfig" },
{ 269, "aOAMLocalErrFramePeriodEvent" },
{ 270, "aOAMLocalErrFrameSecsSummaryConfig" },
{ 271, "aOAMLocalErrFrameSecsSummaryEvent" },
{ 272, "aOAMRemoteErrSymPeriodEvent" },
{ 273, "aOAMRemoteErrFrameEvent" },
{ 274, "aOAMRemoteErrFramePeriodEvent" },
{ 275, "aOAMRemoteErrFrameSecsSummaryEvent" },
{ 276, "aFramesLostDueToOAMError" },
{ 333, "aOAMDiscoveryState"},
{ 334, "aOAMLocalConfiguration"},
{ 335, "aOAMLocalPDUConfiguration"},
{ 336, "aOAMLocalRevision"},
{ 337, "aOAMLocalState"},
{ 338, "aOAMUnsupportedCodesTx" },
{ 339, "aOAMUniqueEventNotificationTx" },
{ 340, "aOAMDuplicateEventNotificationTx" },
{ 0, NULL }
};
static value_string_ext attribute_vals_ext = VALUE_STRING_EXT_INIT(attribute_vals);
/*
* In the OAM protocol the {iso(1) member-body(2) us(840) ieee802dot3(10006)
* csmacdmgt(30)} prefix for the objects is pre-define. Only the
* package(4) is put in the branch and the leaf is one of the
* following value:
*/
static const value_string indication_vals[] = {
{ 0x01, "Variable Container(s) exceeded OAMPDU data field" },
{ 0x20, "Attribute->Unable to return due to an undetermined error" },
{ 0x21, "Attribute->Unable to return because it is not supported" },
{ 0x22, "Attribute->May have been corrupted due to reset" },
{ 0x23, "Attribute->Unable to return due to a hardware failure" },
{ 0x24, "Attribute->Experience an overflow error" },
{ 0x40, "Object->End of object indication" },
{ 0x41, "Object->Unable to return due to an undetermined error" },
{ 0x42, "Object->Unable to return because it is not supported" },
{ 0x43, "Object->May have been corrupted due to reset" },
{ 0x44, "Object->Unable to return due to a hardware failure" },
{ 0x60, "Package->End of package indication" },
{ 0x61, "Package->Unable to return due to an undetermined error" },
{ 0x62, "Package->Unable to return because it is not supported" },
{ 0x63, "Package->May have been corrupted due to reset" },
{ 0x64, "Package->Unable to return due to a hardware failure" },
{ 0, NULL }
};
static const value_string status_vals[] _U_ = {
{ 0x00, "Unsatisfied, can't complete" },
{ 0x01, "Discovery in process" },
{ 0x02, "Satisfied, Discovery complete" },
{ 0x10, "Satisfied, Discovery complete" },
{ 0x20, "Discovery in process" },
{ 0x40, "Satisfied, Discovery complete" },
{ 0x50, "BUG Satisfied, Discovery complete" },
{ 0x80, "Discovery in process" },
{ 0, NULL }
};
static const value_string branch_vals[] = {
{ 3, "Object" },
{ 4, "Package" },
{ 6, "nameBinding" },
{ 7, "Attribute" },
{ 0, NULL }
};
static const value_string parser_vals[] = {
{ 0, "Forward non-OAMPDUs to higher sublayer" },
{ 1, "Loopback non-OAMPDUs to the lower sublayer" },
{ 2, "Discarding non-OAMPDUs" },
{ 3, "Reserved" },
{ 0, NULL }
};
static const true_false_string mux = {
"Discard non-OAMPDUs",
"Forward non-OAMPDUs to lower sublayer"
};
static const true_false_string oam_mode = {
"DTE configured in Active mode",
"DTE configured in Passive mode"
};
static const true_false_string oam_uni = {
"DTE is capable of sending OAMPDUs when rcv path is down",
"DTE is not capable of sending OAMPDUs when rcv path is down"
};
static const true_false_string oam_lpbk = {
"DTE is capable of OAM remote loopback mode",
"DTE is not capable of OAM remote loopback mode"
};
static const true_false_string oam_event = {
"DTE supports interpreting Link Events",
"DTE does not support interpreting Link Events"
};
static const true_false_string oam_var = {
"DTE supports sending Variable Response",
"DTE does not support sending Variable Response"
};
/*
* ESMC
*/
#define ITU_OUI_0 0x00
#define ITU_OUI_1 0x19
#define ITU_OUI_2 0xa7
#define OUI_SIZE 3
#define ESMC_ITU_SUBTYPE 0x0001
#define ESMC_VERSION_1 0x01
#define ESMC_QL_TLV_TYPE 0x01
#define ESMC_QL_TLV_LENGTH 0x04
#define ESMC_TIMESTAMP_TLV_TYPE 0x02
#define ESMC_TIMESTAMP_TLV_LENGTH 0x08
static const value_string esmc_event_flag_vals[] = {
{ 0, "Information ESMC PDU" },
{ 1, "Time-critical Event ESMC PDU" },
{ 0, NULL }
};
static const value_string esmc_tlv_type_vals[] = {
{ 1, "Quality Level" },
{ 2, "Timestamp" },
{ 0, NULL }
};
static const value_string esmc_timestamp_valid_flag_vals[] = {
{ 0, "Not set. Do not use Timestamp value even if Timestamp TLV present" },
{ 1, "Set. Timestamp TLV Present" },
{ 0, NULL }
};
/* G.781 5.5.1.1 Option I SDH (same in G.707) */
static const value_string esmc_quality_level_opt_1_vals[] = {
{ 2, "QL-PRC, Primary reference clock (G.811)" },
{ 4, "QL-SSU-A, Type I or V SSU clock (G.812), 'transit node clock'" },
{ 8, "QL-SSU-B, Type VI SSU clock (G.812), 'local node clock'" },
{ 11, "QL-SEC, SEC clock (G.813, Option I) or QL-EEC1 (G.8262)" },
{ 15, "QL-DNU, 'Do Not Use'" },
{ 0, NULL }
};
static const value_string esmc_quality_level_opt_1_vals_short[] = {
{ 2, "QL-PRC" },
{ 4, "QL-SSU-A" },
{ 8, "QL-SSU-B" },
{ 11, "QL-SEC" },
{ 15, "QL-DNU" },
{ 0, NULL }
};
#if 0 /*not used yet*/
/* G.781 5.5.1.2 Option II SDH synchronization networking */
static const value_string esmc_quality_level_opt_2_vals[] = {
{ 0, "QL-STU, unknown - signal does not carry the QL message of the source" },
{ 1, "QL-PRS, PRS clock (G.811) / ST1, Stratum 1 Traceable" },
{ 4, "QL-TNC, Transit Node Clock (G.812, Type V)" },
{ 7, "QL-ST2, Stratum 2 clock (G.812, Type II)" },
{ 10, "QL-ST3, Stratum 3 clock (G.812, Type IV) or QL-EEC2 (G.8262)" },
{ 12, "QL-SMC, SONET self timed clock (G.813, Option II) / SMC 20 ppm Clock Traceable" },
{ 13, "QL-ST3E, Stratum 3E clock (G.812, Type III)" },
{ 14, "QL-PROV, provisionable by the network operator / Reserved for Network Synchronization" },
{ 15, "QL-DUS, shall not be used for synchronization" },
{ 0, NULL }
};
static const value_string esmc_quality_level_opt_2_short[] = {
{ 0, "QL-STU" },
{ 1, "QL-PRS" },
{ 4, "QL-TNC" },
{ 7, "QL-ST2" },
{ 10, "QL-ST3" },
{ 12, "QL-SMC" },
{ 13, "QL-ST3E" },
{ 14, "QL-PROV" },
{ 15, "QL-DUS" },
{ 0, NULL }
};
#endif
static const value_string esmc_quality_level_invalid_vals[] = {
{ 0, "QL-INV0" },
{ 1, "QL-INV1" },
{ 2, "QL-INV2" },
{ 3, "QL-INV3" },
{ 4, "QL-INV4" },
{ 5, "QL-INV5" },
{ 6, "QL-INV6" },
{ 7, "QL-INV7" },
{ 8, "QL-INV8" },
{ 9, "QL-INV9" },
{ 10, "QL-INV10" },
{ 11, "QL-INV11" },
{ 12, "QL-INV12" },
{ 13, "QL-INV13" },
{ 14, "QL-INV14" },
{ 15, "QL-INV15" },
{ 0, NULL }
};
/* Initialise the protocol and registered fields */
static int proto_slow = -1;
static int hf_slow_subtype = -1;
static int hf_lacpdu_version_number = -1;
static int hf_lacpdu_actor_type = -1;
static int hf_lacpdu_actor_info_len = -1;
static int hf_lacpdu_actor_sys_priority = -1;
static int hf_lacpdu_actor_sys = -1;
static int hf_lacpdu_actor_key = -1;
static int hf_lacpdu_actor_port_priority = -1;
static int hf_lacpdu_actor_port = -1;
static int hf_lacpdu_actor_state = -1;
static int hf_lacpdu_flags_a_activity = -1;
static int hf_lacpdu_flags_a_timeout = -1;
static int hf_lacpdu_flags_a_aggregation = -1;
static int hf_lacpdu_flags_a_sync = -1;
static int hf_lacpdu_flags_a_collecting = -1;
static int hf_lacpdu_flags_a_distrib = -1;
static int hf_lacpdu_flags_a_defaulted = -1;
static int hf_lacpdu_flags_a_expired = -1;
static int hf_lacpdu_actor_reserved = -1;
static int hf_lacpdu_partner_type = -1;
static int hf_lacpdu_partner_info_len = -1;
static int hf_lacpdu_partner_sys_priority = -1;
static int hf_lacpdu_partner_sys = -1;
static int hf_lacpdu_partner_key = -1;
static int hf_lacpdu_partner_port_priority = -1;
static int hf_lacpdu_partner_port = -1;
static int hf_lacpdu_partner_state = -1;
static int hf_lacpdu_flags_p_activity = -1;
static int hf_lacpdu_flags_p_timeout = -1;
static int hf_lacpdu_flags_p_aggregation = -1;
static int hf_lacpdu_flags_p_sync = -1;
static int hf_lacpdu_flags_p_collecting = -1;
static int hf_lacpdu_flags_p_distrib = -1;
static int hf_lacpdu_flags_p_defaulted = -1;
static int hf_lacpdu_flags_p_expired = -1;
static int hf_lacpdu_partner_reserved = -1;
static int hf_lacpdu_coll_type = -1;
static int hf_lacpdu_coll_info_len = -1;
static int hf_lacpdu_coll_max_delay = -1;
static int hf_lacpdu_coll_reserved = -1;
static int hf_lacpdu_term_type = -1;
static int hf_lacpdu_term_len = -1;
static int hf_lacpdu_term_reserved = -1;
/* ESMC */
static int hf_ossp_oui = -1;
static int hf_itu_subtype = -1;
static int hf_esmc_version = -1;
static int hf_esmc_event_flag = -1;
static int hf_esmc_timestamp_valid_flag = -1;
static int hf_esmc_reserved_32 = -1;
static int hf_esmc_tlv = -1;
static int hf_esmc_tlv_type = -1;
static int hf_esmc_tlv_length = -1;
static int hf_esmc_tlv_ql_unused = -1;
static int hf_esmc_tlv_ts_reserved = -1;
static int hf_esmc_quality_level_opt_1 = -1;
#if 0 /*not used yet*/
static int hf_esmc_quality_level_opt_2 = -1;
#endif
static int hf_esmc_quality_level_invalid = -1;
static int hf_esmc_timestamp = -1;
static int hf_esmc_padding = -1;
/*
* The Timestamp TLV and Timestamp Valid Flag fields
* are proposed in WD56 document for G.8264.
* WD56 is not accepted at this moment (June 2009).
*
* The following variable controls dissection of Timestamp fields.
* Implementation is not fully complete yet -- in this version
* Timestamp dissection is always enabled.
*
* I expect that when WD56 proposal for G.8264 will be accepted,
* ESMC Version would be used to control Timestamp dissection.
* In this case this variable will be eliminated (replaced).
*
* Until that, a preference which controls Timestamp
* dissection may be added, if such need arise.
* At the moment this is not practical as nobody needs this.
*/
static gboolean pref_decode_esmc_timestamp = TRUE;
/* MARKER */
static int hf_marker_version_number = -1;
static int hf_marker_tlv_type = -1;
static int hf_marker_tlv_length = -1;
static int hf_marker_req_port = -1;
static int hf_marker_req_system = -1;
static int hf_marker_req_trans_id = -1;
/* OAM */
static int hf_oampdu_flags = -1;
static int hf_oampdu_flags_link_fault = -1;
static int hf_oampdu_flags_dying_gasp = -1;
static int hf_oampdu_flags_critical_event = -1;
static int hf_oampdu_flags_local_evaluating = -1;
static int hf_oampdu_flags_local_stable = -1;
static int hf_oampdu_flags_remote_evaluating = -1;
static int hf_oampdu_flags_remote_stable = -1;
static int hf_oampdu_code = -1;
static int hf_oampdu_info_type = -1;
static int hf_oampdu_info_len = -1;
static int hf_oampdu_info_version = -1;
static int hf_oampdu_info_revision = -1;
static int hf_oampdu_info_state = -1;
static int hf_oampdu_info_oamConfig = -1;
static int hf_oampdu_info_oampduConfig = -1;
static int hf_oampdu_info_oui = -1;
static int hf_oampdu_info_vendor = -1;
static int hf_oampdu_info_state_parser = -1;
static int hf_oampdu_info_state_mux = -1;
static int hf_oampdu_info_oamConfig_mode = -1;
static int hf_oampdu_info_oamConfig_uni = -1;
static int hf_oampdu_info_oamConfig_lpbk = -1;
static int hf_oampdu_info_oamConfig_event = -1;
static int hf_oampdu_info_oamConfig_var = -1;
static int hf_oampdu_event_type = -1;
static int hf_oampdu_event_sequence = -1;
static int hf_oampdu_event_length = -1;
static int hf_oampdu_event_timeStamp = -1;
static int hf_oampdu_event_espeWindow = -1;
static int hf_oampdu_event_espeThreshold = -1;
static int hf_oampdu_event_espeErrors = -1;
static int hf_oampdu_event_espeTotalErrors = -1;
static int hf_oampdu_event_espeTotalEvents = -1;
static int hf_oampdu_event_efeWindow = -1;
static int hf_oampdu_event_efeThreshold = -1;
static int hf_oampdu_event_efeErrors = -1;
static int hf_oampdu_event_efeTotalErrors = -1;
static int hf_oampdu_event_efeTotalEvents = -1;
static int hf_oampdu_event_efpeWindow = -1;
static int hf_oampdu_event_efpeThreshold = -1;
static int hf_oampdu_event_efpeErrors = -1;
static int hf_oampdu_event_efpeTotalErrors = -1;
static int hf_oampdu_event_efpeTotalEvents = -1;
static int hf_oampdu_event_efsseWindow = -1;
static int hf_oampdu_event_efsseThreshold = -1;
static int hf_oampdu_event_efsseErrors = -1;
static int hf_oampdu_event_efsseTotalErrors = -1;
static int hf_oampdu_event_efsseTotalEvents = -1;
static int hf_oampdu_variable_branch = -1;
static int hf_oampdu_variable_object = -1;
static int hf_oampdu_variable_package = -1;
static int hf_oampdu_variable_binding = -1;
static int hf_oampdu_variable_attribute = -1;
static int hf_oampdu_variable_width = -1;
static int hf_oampdu_variable_indication = -1;
static int hf_oampdu_variable_value = -1;
static int hf_oampdu_lpbk = -1;
static int hf_oampdu_lpbk_enable = -1;
static int hf_oampdu_lpbk_disable = -1;
/* Initialise the subtree pointers */
static gint ett_pdu = -1;
static gint ett_lacpdu = -1;
static gint ett_lacpdu_a_flags = -1;
static gint ett_lacpdu_p_flags = -1;
static gint ett_marker = -1;
static gint ett_esmc = -1;
static gint ett_oampdu = -1;
static gint ett_oampdu_flags = -1;
static gint ett_oampdu_local_info = -1;
static gint ett_oampdu_local_info_state = -1;
static gint ett_oampdu_local_info_config = -1;
static gint ett_oampdu_remote_info = -1;
static gint ett_oampdu_remote_info_state = -1;
static gint ett_oampdu_remote_info_config = -1;
static gint ett_oampdu_org_info = -1;
static gint ett_oampdu_event_espe = -1;
static gint ett_oampdu_event_efe = -1;
static gint ett_oampdu_event_efpe = -1;
static gint ett_oampdu_event_efsse = -1;
static gint ett_oampdu_event_ose = -1;
static gint ett_oampdu_lpbk_ctrl = -1;
static gint ett_ossppdu = -1;
static gint ett_itu_ossp = -1;
static const char initial_sep[] = " (";
static const char cont_sep[] = ", ";
static dissector_handle_t dh_data;
#define APPEND_BOOLEAN_FLAG(flag, item, string) \
if(flag){ \
if(item) \
proto_item_append_text(item, string, sep); \
sep = cont_sep; \
}
#define APPEND_OUI_NAME(item, string, tvb, offset) \
if(item){ \
string = tvb_get_manuf_name(tvb, offset); \
proto_item_append_text(item, " ("); \
proto_item_append_text(item, "%s", string); \
proto_item_append_text(item, ")"); \
}
static void
dissect_lacp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static void
dissect_marker_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static void
dissect_ossp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static void
dissect_oampdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static void
dissect_oampdu_information(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_oampdu_event_notification(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_oampdu_variable_request(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_oampdu_variable_response(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_oampdu_loopback_control(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_oampdu_vendor_specific(tvbuff_t *tvb, proto_tree *tree);
static void
dissect_esmc_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *treex);
static void
dissect_itu_ossp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
/*
* Name: dissect_slow_protocols
*
* Description:
* This function is used to dissect the slow protocols define in IEEE802.3
* CSMA/CD. The current slow protocols subtype are define in ANNEX 43B of
* the 802.3 document. In case of an unsupported slow protocols, we only
* fill the protocol and info columns.
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
*
* Return Values:
* None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for OAM slow protocol (defined in clause 57).
* + add support for Marker slow protocol (defined in clause 43).
* Artem Tamazov (artem.tamazov@telllabs.com)
* + add support for ESMC (Ethernet Synchronization Messaging Channel),
* G.8264/Y.1364 clause 11).
*/
static void
dissect_slow_protocols(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint8 subtype;
proto_tree *pdu_tree;
proto_item *pdu_item;
subtype = tvb_get_guint8(tvb, 0);
switch (subtype)
{
case LACP_SUBTYPE:
dissect_lacp_pdu(tvb, pinfo, tree);
break;
case MARKER_SUBTYPE:
dissect_marker_pdu(tvb, pinfo, tree);
break;
case OAM_SUBTYPE:
dissect_oampdu(tvb, pinfo, tree);
break;
case OSSP_SUBTYPE:
dissect_ossp_pdu(tvb, pinfo, tree);
break;
default:
{
col_set_str(pinfo->cinfo, COL_PROTOCOL, "Slow Protocols");
col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown Subtype = %u.", subtype);
if (tree)
{
pdu_item = proto_tree_add_item(tree, proto_slow, tvb,
0, -1, FALSE);
pdu_tree = proto_item_add_subtree(pdu_item, ett_pdu);
/* Subtype */
proto_tree_add_item(pdu_tree, hf_slow_subtype, tvb,
0, 1, FALSE);
}
break;
}
}
}
/*
* Name: dissect_lacp_pdu
*
* Description:
* This function is used to dissect the Link Aggregation Control Protocol
* slow protocols define in IEEE802.3 clause 43.3.
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
*
* Return Values: None
*
* Notes:
*/
static void
dissect_lacp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint16 raw_word;
guint8 raw_octet;
guint8 flags;
proto_tree *lacpdu_tree;
proto_item *lacpdu_item;
proto_tree *actor_flags_tree;
proto_item *actor_flags_item;
proto_tree *partner_flags_tree;
proto_item *partner_flags_item;
const char *sep;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "LACP");
col_set_str(pinfo->cinfo, COL_INFO, "Link Aggregation Control Protocol");
if (tree)
{
/* Add LACP Heading */
lacpdu_item = proto_tree_add_protocol_format(tree, proto_slow, tvb,
0, -1, "Link Aggregation Control Protocol");
lacpdu_tree = proto_item_add_subtree(lacpdu_item, ett_lacpdu);
/* Subtype */
proto_tree_add_item(lacpdu_tree, hf_slow_subtype, tvb,
0, 1, FALSE);
/* Version Number */
raw_octet = tvb_get_guint8(tvb, LACPDU_VERSION_NUMBER);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_version_number, tvb,
LACPDU_VERSION_NUMBER, 1, raw_octet);
col_append_fstr(pinfo->cinfo, COL_INFO, "Version %d. ", raw_octet);
/* Actor Type */
raw_octet = tvb_get_guint8(tvb, LACPDU_ACTOR_TYPE);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_type, tvb,
LACPDU_ACTOR_TYPE, 1, raw_octet);
/* Actor Info Length */
raw_octet = tvb_get_guint8(tvb, LACPDU_ACTOR_INFO_LEN);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_info_len, tvb,
LACPDU_ACTOR_INFO_LEN, 1, raw_octet);
/* Actor System Priority */
raw_word = tvb_get_ntohs(tvb, LACPDU_ACTOR_SYS_PRIORITY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_sys_priority, tvb,
LACPDU_ACTOR_SYS_PRIORITY, 2, raw_word);
/* Actor System */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_actor_sys, tvb,
LACPDU_ACTOR_SYSTEM, 6, ENC_NA);
/* Actor Key */
raw_word = tvb_get_ntohs(tvb, LACPDU_ACTOR_KEY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_key, tvb,
LACPDU_ACTOR_KEY, 2, raw_word);
/* Actor Port Priority */
raw_word = tvb_get_ntohs(tvb, LACPDU_ACTOR_PORT_PRIORITY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_port_priority, tvb,
LACPDU_ACTOR_PORT_PRIORITY, 2, raw_word);
/* Actor Port */
raw_word = tvb_get_ntohs(tvb, LACPDU_ACTOR_PORT);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_port, tvb,
LACPDU_ACTOR_PORT, 2, raw_word);
col_append_fstr(pinfo->cinfo, COL_INFO, "Actor Port = %d ", raw_word);
/* Actor State */
flags = tvb_get_guint8(tvb, LACPDU_ACTOR_STATE);
actor_flags_item = proto_tree_add_uint(lacpdu_tree, hf_lacpdu_actor_state, tvb,
LACPDU_ACTOR_STATE, 1, flags);
actor_flags_tree = proto_item_add_subtree(actor_flags_item, ett_lacpdu_a_flags);
sep = initial_sep;
/* Activity Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_ACTIVITY, actor_flags_item,
"%sActivity");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_activity, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Timeout Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_TIMEOUT, actor_flags_item,
"%sTimeout");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_timeout, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Aggregation Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_AGGREGATION, actor_flags_item,
"%sAggregation");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_aggregation, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Synchronization Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_SYNC, actor_flags_item,
"%sSynchronization");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_sync, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Collecting Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_COLLECTING, actor_flags_item,
"%sCollecting");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_collecting, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Distributing Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_DISTRIB, actor_flags_item,
"%sDistributing");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_distrib, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Defaulted Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_DEFAULTED, actor_flags_item,
"%sDefaulted");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_defaulted, tvb,
LACPDU_ACTOR_STATE, 1, flags);
/* Expired Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_EXPIRED, actor_flags_item,
"%sExpired");
proto_tree_add_boolean(actor_flags_tree, hf_lacpdu_flags_a_expired, tvb,
LACPDU_ACTOR_STATE, 1, flags);
if (sep != initial_sep)
{
/* We put something in; put in the terminating ")" */
proto_item_append_text(actor_flags_item, ")");
}
/* Actor Reserved */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_actor_reserved, tvb,
LACPDU_ACTOR_RESERVED, 3, ENC_NA);
/* Partner Type */
raw_octet = tvb_get_guint8(tvb, LACPDU_PARTNER_TYPE);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_type, tvb,
LACPDU_PARTNER_TYPE, 1, raw_octet);
/* Partner Info Length */
raw_octet = tvb_get_guint8(tvb, LACPDU_PARTNER_INFO_LEN);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_info_len, tvb,
LACPDU_PARTNER_INFO_LEN, 1, raw_octet);
/* Partner System Priority */
raw_word = tvb_get_ntohs(tvb, LACPDU_PARTNER_SYS_PRIORITY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_sys_priority, tvb,
LACPDU_PARTNER_SYS_PRIORITY, 2, raw_word);
/* Partner System */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_partner_sys, tvb,
LACPDU_PARTNER_SYSTEM, 6, ENC_NA);
/* Partner Key */
raw_word = tvb_get_ntohs(tvb, LACPDU_PARTNER_KEY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_key, tvb,
LACPDU_PARTNER_KEY, 2, raw_word);
/* Partner Port Priority */
raw_word = tvb_get_ntohs(tvb, LACPDU_PARTNER_PORT_PRIORITY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_port_priority, tvb,
LACPDU_PARTNER_PORT_PRIORITY, 2, raw_word);
/* Partner Port */
raw_word = tvb_get_ntohs(tvb, LACPDU_PARTNER_PORT);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_port, tvb,
LACPDU_PARTNER_PORT, 2, raw_word);
col_append_fstr(pinfo->cinfo, COL_INFO, "Partner Port = %d ", raw_word);
/* Partner State */
flags = tvb_get_guint8(tvb, LACPDU_PARTNER_STATE);
partner_flags_item = proto_tree_add_uint(lacpdu_tree, hf_lacpdu_partner_state, tvb,
LACPDU_PARTNER_STATE, 1, flags);
partner_flags_tree = proto_item_add_subtree(partner_flags_item, ett_lacpdu_p_flags);
sep = initial_sep;
/* Activity Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_ACTIVITY, partner_flags_item,
"%sActivity");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_activity, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Timeout Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_TIMEOUT, partner_flags_item,
"%sTimeout");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_timeout, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Aggregation Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_AGGREGATION, partner_flags_item,
"%sAggregation");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_aggregation, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Synchronization Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_SYNC, partner_flags_item,
"%sSynchronization");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_sync, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Collecting Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_COLLECTING, partner_flags_item,
"%sCollecting");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_collecting, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Distributing Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_DISTRIB, partner_flags_item,
"%sDistributing");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_distrib, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Defaulted Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_DEFAULTED, partner_flags_item,
"%sDefaulted");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_defaulted, tvb,
LACPDU_PARTNER_STATE, 1, flags);
/* Expired Flag */
APPEND_BOOLEAN_FLAG(flags & LACPDU_FLAGS_EXPIRED, partner_flags_item,
"%sExpired");
proto_tree_add_boolean(partner_flags_tree, hf_lacpdu_flags_p_expired, tvb,
LACPDU_PARTNER_STATE, 1, flags);
if (sep != initial_sep)
{
/* We put something in; put in the terminating ")" */
proto_item_append_text(partner_flags_item, ")");
}
/* Partner Reserved */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_partner_reserved, tvb,
LACPDU_PARTNER_RESERVED, 3, ENC_NA);
/* Collector Type */
raw_octet = tvb_get_guint8(tvb, LACPDU_COLL_TYPE);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_coll_type, tvb,
LACPDU_COLL_TYPE, 1, raw_octet);
/* Collector Info Length */
raw_octet = tvb_get_guint8(tvb, LACPDU_COLL_INFO_LEN);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_coll_info_len, tvb,
LACPDU_COLL_INFO_LEN, 1, raw_octet);
/* Collector Max Delay */
raw_word = tvb_get_ntohs(tvb, LACPDU_COLL_MAX_DELAY);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_coll_max_delay, tvb,
LACPDU_COLL_MAX_DELAY, 2, raw_word);
/* Collector Reserved */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_coll_reserved, tvb,
LACPDU_COLL_RESERVED, 12, ENC_NA);
/* Terminator Type */
raw_octet = tvb_get_guint8(tvb, LACPDU_TERM_TYPE);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_term_type, tvb,
LACPDU_TERM_TYPE, 1, raw_octet);
/* Terminator Info Length */
raw_octet = tvb_get_guint8(tvb, LACPDU_TERM_LEN);
proto_tree_add_uint(lacpdu_tree, hf_lacpdu_term_len, tvb,
LACPDU_TERM_LEN, 1, raw_octet);
/* Terminator Reserved */
proto_tree_add_item(lacpdu_tree, hf_lacpdu_term_reserved, tvb,
LACPDU_TERM_RESERVED, 50, ENC_NA);
}
}
/*
* Name: dissect_marker_pdu
*
* Description:
* This function is used to dissect the Link Aggregation Marker Protocol
* slow protocols define in IEEE802.3 clause 43.5 (The PDUs are define
* in section 43.5.3.2). The TLV type are, 0x01 for a marker TLV and 0x02
* for a marker response. A value of 0x00 indicate an end of message.
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for MARKER and MARKER Response PDUs.
*/
static void
dissect_marker_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint8 raw_octet;
guint16 raw_word;
guint32 dword;
guint32 offset;
proto_tree *marker_tree;
proto_item *marker_item;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "MARKER");
col_set_str(pinfo->cinfo, COL_INFO, "Marker Protocol");
if (tree)
{
marker_item = proto_tree_add_protocol_format(tree, proto_slow, tvb,
0, -1, "Marker Protocol");
marker_tree = proto_item_add_subtree(marker_item, ett_marker);
/* Subtype */
proto_tree_add_item(marker_tree, hf_slow_subtype, tvb,
0, 1, FALSE);
offset = 1;
/* Version Number */
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(marker_tree, hf_marker_version_number, tvb,
offset, 1, raw_octet);
offset += 1;
while (1)
{
/* TLV Type */
raw_octet = tvb_get_guint8(tvb, offset);
if (raw_octet==0) break;
proto_tree_add_uint(marker_tree, hf_marker_tlv_type, tvb,
offset, 1, raw_octet);
offset += 1;
/* TLV Length */
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(marker_tree, hf_marker_tlv_length, tvb,
offset, 1, raw_octet);
offset += 1;
/* Requester Port */
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(marker_tree, hf_marker_req_port, tvb,
offset, 2, raw_word);
offset += 2;
/* Requester System */
proto_tree_add_item(marker_tree, hf_marker_req_system, tvb,
offset, 6, ENC_NA);
offset += 6;
/* Requester Transaction ID */
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(marker_tree, hf_marker_req_trans_id, tvb,
offset, 4, dword);
offset += 2;
/* Pad to align */
offset += 2;
}
}
}
/*
* Name: dissect_ossp_pdu
*
* Description:
* This function is used to dissect the Organization Specific Slow
* Protocol defined in IEEE 802.3 Annex 57B. Currently only the ESMC
* slow protocol as defined in ITU-T G.8264 is implemented
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
*
* Return Values: None
*
* Notes:
* Roberto Morro (roberto.morro[AT]tilab.com)
*/
static void
dissect_ossp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
gint offset = 0;
const gchar *str;
proto_item *oui_item, *ossp_item;
proto_tree *ossp_tree;
tvbuff_t *ossp_tvb;
const guint8 itu_oui[] = {ITU_OUI_0, ITU_OUI_1, ITU_OUI_2};
/* OUI of the organization defining the protocol */
str = tvb_get_manuf_name(tvb, offset+1);
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OSSP");
col_add_fstr(pinfo->cinfo, COL_INFO, "OUI: %s", str);
ossp_item = proto_tree_add_protocol_format(tree, proto_slow, tvb, 0, -1,
"Organization Specific Slow Protocol");
ossp_tree = proto_item_add_subtree(ossp_item, ett_ossppdu);
/* Slow Protocol Subtype */
proto_tree_add_item(ossp_tree, hf_slow_subtype, tvb, offset, 1, FALSE);
offset++;
oui_item = proto_tree_add_item(ossp_tree, hf_ossp_oui,
tvb, offset, OUI_SIZE, ENC_NA);
proto_item_append_text(oui_item, " (%s)", str);
offset += 3;
ossp_tvb = tvb_new_subset(tvb, offset, -1, -1);
if (tvb_memeql(tvb, 1, itu_oui, OUI_SIZE) == 0)
{
dissect_itu_ossp(ossp_tvb, pinfo, ossp_tree);
}
/* new Organization Specific Slow Protocols go hereafter
*
* else if (tvb_memeql(tvb, 1, xxx_oui, OUI_SIZE) == 0)
* {
* dissect_xxx_ossp(ossp_tvb, pinfo, ossp_tree);
* }
* else if (tvb_memeql(tvb, 1, yyy_oui, OUI_SIZE) == 0)
* {
* dissect_yyy_ossp(ossp_tvb, pinfo, ossp_tree);
* }
*/
else
{
proto_item_append_text(oui_item, " (Unknown OSSP organization)");
}
}
/*
* Name: dissect_itu_ossp
*
* Description:
* This function is used to dissect the ITU-T OSSP (Organization Specific
* Slow Protocol). Currently only the Ethernet Synchronization
* Messaging Channel (ESMC) slow protocol as defined in ITU-T G.8264
* is implemented
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
* subtype: the protocol subtype (according to IEEE802.3 annex 57B)
*
* Return Values: None
*
* Notes:
* Roberto Morro (roberto.morro[AT]tilab.com)
*/
static void
dissect_itu_ossp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint16 subtype;
proto_tree *itu_ossp_tree, *ti;
/* ITU-T OSSP Subtype */
subtype = tvb_get_ntohs(tvb, 0);
ti = proto_tree_add_item(tree, hf_itu_subtype, tvb, 0, 2, FALSE);
itu_ossp_tree = proto_item_add_subtree(ti, ett_itu_ossp);
switch (subtype)
{
case ESMC_ITU_SUBTYPE:
dissect_esmc_pdu(tvb, pinfo, itu_ossp_tree);
break;
/* Other ITU-T defined slow protocols go hereafter
*
* case XXXX_ITU_SUBTYPE:
* dissect_xxxx_pdu(tvb, pinfo, itu_ossp_tree);
* break;
*/
default:
proto_item_append_text(itu_ossp_tree, " (Unknown)");
}
}
/*
* Description:
* This function is used to dissect ESMC PDU defined G.8264/Y.1364 clause 11.3.1.1.
*
* Added: TimeStamp TLV as per WD56 proposal for G.8264,
* "TLVs for ESMC and Querying Capability".
*/
static void
dissect_esmc_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *treex)
{
gint offset = 2; /*starting from ESMC Version */
gboolean event_flag;
gboolean malformed = FALSE;
gint ql = -1; /*negative means unknown:*/
gboolean timestamp_valid_flag = FALSE; /*set if timestamp valid*/
gint32 timestamp = -1; /*nanoseconds*/
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ESMC");
proto_item_append_text(treex, ": ESMC");
{
proto_tree *tree_a;
tree_a = proto_item_add_subtree(treex, ett_esmc);
{ /* version */
proto_item *item_b;
item_b = proto_tree_add_item(tree_a, hf_esmc_version, tvb, offset, 1, FALSE);
if ((tvb_get_guint8(tvb, offset) >> 4) != ESMC_VERSION_1)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_b, PI_MALFORMED, PI_ERROR
,"Version must be 0x%.1x claim compliance with Version 1 of this protocol"
,ESMC_VERSION_1);
}
/*stay at the same octet in tvb*/
}
{ /* event flag */
event_flag = ((tvb_get_guint8(tvb, offset) & 0x08) != 0);
proto_tree_add_item(tree_a, hf_esmc_event_flag, tvb, offset, 1, FALSE);
/*stay at the same octet in tvb*/
}
if (pref_decode_esmc_timestamp)
{ /* timestamp valid flag */
timestamp_valid_flag = ((tvb_get_guint8(tvb, offset) & 0x04) != 0);
proto_tree_add_item(tree_a, hf_esmc_timestamp_valid_flag, tvb, offset, 1, FALSE);
/*stay at the same octet in tvb*/
}
{ /* reserved bits */
proto_item *item_b;
guint32 reserved;
reserved = tvb_get_ntohl(tvb, offset)
& (pref_decode_esmc_timestamp ? 0x3ffffff : 0x7ffffff);
item_b = proto_tree_add_uint_format_value(tree_a, hf_esmc_reserved_32, tvb, offset, 4
, reserved, "0x%.7x", reserved);
if (reserved != 0x0)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_b, PI_MALFORMED, PI_WARN
,"Reserved bits must be set to all zero on transmitter");
}
offset += 4;
}
proto_item_append_text(treex, ", Event:%s", event_flag ?
"Time-critical" : "Information");
/*
* Quality Level TLV is mandatory at fixed location.
*/
{
proto_item *item_b;
guint8 type;
item_b = proto_tree_add_item(tree_a, hf_esmc_tlv, tvb, offset, 4, FALSE);
{
proto_tree *tree_b;
tree_b = proto_item_add_subtree(item_b, ett_esmc);
{
proto_item *item_c;
guint16 length;
guint8 unused;
/* type */
type = tvb_get_guint8(tvb, offset);
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_type, tvb, offset, 1, FALSE);
if (type != ESMC_QL_TLV_TYPE)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_c, PI_MALFORMED, PI_ERROR
,"TLV Type must be == 0x%.2x (QL) because QL TLV must be first in the ESMC PDU"
,ESMC_QL_TLV_TYPE);
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_NOTE
,"Let's decode as if this is QL TLV");
}
offset += 1;
/* length */
length = tvb_get_ntohs(tvb, offset);
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_length, tvb, offset, 2, FALSE);
if (length != ESMC_QL_TLV_LENGTH)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_c, PI_MALFORMED, PI_ERROR
,"QL TLV Length must be == 0x%.4x", ESMC_QL_TLV_LENGTH);
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_NOTE
,"Let's decode this TLV as if Length has valid value");
}
offset += 2;
/* value */
unused = tvb_get_guint8(tvb, offset); /*as temp var*/
ql = unused & 0x0f;
unused &= 0xf0;
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_ql_unused, tvb, offset, 1, FALSE);
if (unused != 0x00)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_c, PI_MALFORMED, PI_WARN
,"Unused bits of TLV must be all zeroes");
}
if (NULL != match_strval(ql, esmc_quality_level_opt_1_vals))
{
proto_tree_add_item(tree_b, hf_esmc_quality_level_opt_1, tvb, offset, 1, FALSE);
}
else
{
item_c = proto_tree_add_item(tree_b, hf_esmc_quality_level_invalid, tvb, offset, 1, FALSE);
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_WARN
,"Invalid SSM message, unknown QL code");
}
offset += 1;
}
}
proto_item_append_text(item_b, ", %s"
, val_to_str(ql, esmc_quality_level_opt_1_vals_short, "QL-INV%d"));
}
proto_item_append_text(treex, ", %s"
, val_to_str(ql, esmc_quality_level_opt_1_vals_short, "QL-INV%d"));
if (pref_decode_esmc_timestamp)
{
/*
* Timestamp TLV is optional at fixed location.
* Decode it if Timestamp Valid flag is set,
* or if type of next TLV is 0x02.
*/
guint8 type;
type = tvb_get_guint8(tvb, offset);
if (timestamp_valid_flag || type == ESMC_TIMESTAMP_TLV_TYPE)
{
proto_item *item_b;
item_b = proto_tree_add_item(tree_a, hf_esmc_tlv, tvb, offset, 8, FALSE);
{
proto_tree *tree_b;
tree_b = proto_item_add_subtree(item_b, ett_esmc);
{
proto_item *item_c;
guint16 length;
guint8 reserved;
/* type */
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_type, tvb, offset, 1, FALSE);
if (type != ESMC_TIMESTAMP_TLV_TYPE)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_c, PI_MALFORMED, PI_ERROR
,"TLV Type must be == 0x%.2x (Timestamp) because Timestamp Valid Flag is set"
,ESMC_TIMESTAMP_TLV_TYPE);
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_NOTE
,"Let's decode as if this is Timestamp TLV");
}
offset += 1;
/* length */
length = tvb_get_ntohs(tvb, offset);
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_length, tvb, offset, 2, FALSE);
if (length != ESMC_TIMESTAMP_TLV_LENGTH)
{
malformed = TRUE;
expert_add_info_format(pinfo, item_c, PI_MALFORMED, PI_ERROR
,"Timestamp TLV Length must be == 0x%.4x"
,ESMC_TIMESTAMP_TLV_LENGTH);
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_NOTE
,"Let's decode this TLV as if Length has valid value");
}
offset += 2;
/* value */
timestamp = (gint32)tvb_get_ntohl(tvb, offset);
item_c = proto_tree_add_item(tree_b, hf_esmc_timestamp, tvb, offset, 4, FALSE);
if (!timestamp_valid_flag) proto_item_append_text(item_c, " [invalid]");
offset += 4;
/* reserved */
reserved = tvb_get_guint8(tvb, offset);
item_c = proto_tree_add_item(tree_b, hf_esmc_tlv_ts_reserved, tvb, offset, 1, FALSE);
if (reserved != 0x0)
{
expert_add_info_format(pinfo, item_c, PI_UNDECODED, PI_WARN
,"Reserved bits must be set to all zero");
}
offset += 1;
}
}
proto_item_append_text(item_b, ", Timestamp: %d ns", timestamp);
if (!timestamp_valid_flag) proto_item_append_text(item_b, " [invalid]");
}
}
if (timestamp_valid_flag)
{
proto_item_append_text(treex, ", Timestamp:%d", timestamp);
}
}
{ /* padding */
gint padding_size;
padding_size = tvb_length_remaining(tvb, offset);
if (0 != padding_size)
{
proto_tree* tree_a;
tree_a = proto_item_add_subtree(treex, ett_esmc);
{
proto_item* item_b;
tvbuff_t* tvb_next;
tvb_next = tvb_new_subset(tvb, offset, padding_size, -1);
item_b = proto_tree_add_item(tree_a, hf_esmc_padding, tvb_next, 0, -1, FALSE);
proto_item_append_text(item_b, ", %d %s%s", padding_size
, "octet", plurality(padding_size,"","s"));
{
proto_tree* tree_b;
tree_b = proto_item_add_subtree(item_b, ett_esmc);
call_dissector(dh_data, tvb_next, pinfo, tree_b);
}
}
}
}
col_clear(pinfo->cinfo, COL_INFO);
/* append summary info */
col_append_fstr(pinfo->cinfo, COL_INFO, "Event:%s", event_flag ?
"Time-critical" : "Information");
if (ql >= 0)
{
col_append_fstr(pinfo->cinfo, COL_INFO, ", %s"
, val_to_str(ql, esmc_quality_level_opt_1_vals_short, "QL-INVALID-%d"));
}
if (timestamp_valid_flag)
{
col_append_fstr(pinfo->cinfo, COL_INFO, ", TS:%d", timestamp);
}
if (malformed)
{
col_append_str(pinfo->cinfo, COL_INFO, ", Malformed PDU");
}
}
/*
* Name: dissect_oampdu
*
* Description:
* This function is used to dissect the Operation, Administration, and
* Maintenance slow protocol define in IEEE802.3 clause 57 (The OAMPDUs
* common part is define in section 57.4).
*
* Only the 6 folowing code are currently define in the 2004 version of this
* protocol:
* OAMPDU_INFORMATION: 0x0
* OAMPDU_EVENT_NOTIFICATION: 0x1
* OAMPDU_VAR_REQUEST: 0x2
* OAMPDU_VAR_RESPONSE: 0x3
* OAMPDU_LOOPBACK_CTRL: 0x4
* OAMPDU_VENDOR_SPECIFIC: 0xFE
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* pinfo: structure associate with the rcv packet (see packet_info.h).
* tree: the protocol tree associate with the rcv packet (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint8 oampdu_code;
guint16 flags,state;
guint32 i;
proto_tree *oampdu_tree;
proto_item *oampdu_item;
proto_tree *flags_tree;
proto_item *flags_item;
const char *sep = initial_sep;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "OAM");
oampdu_code = tvb_get_guint8(tvb, OAMPDU_CODE);
switch (oampdu_code)
{
case OAMPDU_INFORMATION:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Information");
break;
case OAMPDU_EVENT_NOTIFICATION:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Event Notification");
break;
case OAMPDU_VAR_REQUEST:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Variable Request");
break;
case OAMPDU_VAR_RESPONSE:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Variable Response");
break;
case OAMPDU_LOOPBACK_CTRL:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Loopback Control");
break;
case OAMPDU_VENDOR_SPECIFIC:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU: Organization Specific");
break;
default:
col_set_str(pinfo->cinfo, COL_INFO, "OAMPDU reserved");
break;
}
if (tree)
{
/* Add OAM Heading */
oampdu_item = proto_tree_add_protocol_format(tree, proto_slow, tvb,
0, -1, "OAM Protocol");
oampdu_tree = proto_item_add_subtree(oampdu_item, ett_oampdu);
/* Subtype */
proto_tree_add_item(oampdu_tree, hf_slow_subtype, tvb,
0, 1, FALSE);
/* Flags field */
flags = tvb_get_ntohs(tvb, OAMPDU_FLAGS);
flags_item = proto_tree_add_uint(oampdu_tree, hf_oampdu_flags, tvb,
OAMPDU_FLAGS, 2, flags);
flags_tree = proto_item_add_subtree(flags_item, ett_oampdu_flags);
/*
* In this section we add keywords for the bit set on the Flags's line.
* We also add all the bit inside the subtree.
*/
APPEND_BOOLEAN_FLAG(flags & OAMPDU_FLAGS_LINK_FAULT, flags_item,
"%sLink Fault");
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_link_fault,
tvb, OAMPDU_FLAGS, 1, flags);
APPEND_BOOLEAN_FLAG(flags & OAMPDU_FLAGS_DYING_GASP, flags_item,
"%sDying Gasp");
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_dying_gasp,
tvb, OAMPDU_FLAGS, 1, flags);
APPEND_BOOLEAN_FLAG(flags & OAMPDU_FLAGS_CRITICAL_EVENT, flags_item,
"%sCriticalEvent");
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_critical_event,
tvb, OAMPDU_FLAGS, 1, flags);
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_local_evaluating,
tvb, OAMPDU_FLAGS, 1, flags);
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_local_stable,
tvb, OAMPDU_FLAGS, 1, flags);
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_remote_evaluating,
tvb, OAMPDU_FLAGS, 1, flags);
proto_tree_add_boolean(flags_tree, hf_oampdu_flags_remote_stable,
tvb, OAMPDU_FLAGS, 1, flags);
if (sep != cont_sep)
proto_item_append_text(flags_item, " (");
else
proto_item_append_text(flags_item, ", ");
for(i=0;i<2;i++)
{
if (i==0)
{
proto_item_append_text(flags_item, "local: ");
state = (flags&(OAMPDU_FLAGS_LOCAL_EVAL|OAMPDU_FLAGS_LOCAL_STABLE));
state = state>>3;
}
else
{
proto_item_append_text(flags_item, "remote: ");
state = (flags&(OAMPDU_FLAGS_REMOTE_EVAL|OAMPDU_FLAGS_REMOTE_STABLE));
state = state>>5;
}
switch (state)
{
case 0:
proto_item_append_text(flags_item, "Unsatisfied");
break;
case 1:
proto_item_append_text(flags_item, "Discovery in process");
break;
case 2:
proto_item_append_text(flags_item, "Discovery complete");
break;
default:
proto_item_append_text(flags_item, "Reserved");
break;
}
if (i==0)
proto_item_append_text(flags_item, ", ");
}
proto_item_append_text(flags_item, ")");
/* OAMPDU code */
oampdu_code = tvb_get_guint8(tvb, OAMPDU_CODE);
proto_tree_add_uint(oampdu_tree, hf_oampdu_code, tvb,
OAMPDU_CODE, 1, oampdu_code);
switch (oampdu_code)
{
case OAMPDU_INFORMATION:
dissect_oampdu_information(tvb, oampdu_tree);
break;
case OAMPDU_EVENT_NOTIFICATION:
dissect_oampdu_event_notification(tvb, oampdu_tree);
break;
case OAMPDU_VAR_REQUEST:
dissect_oampdu_variable_request(tvb, oampdu_tree);
break;
case OAMPDU_VAR_RESPONSE:
dissect_oampdu_variable_response(tvb, oampdu_tree);
break;
case OAMPDU_LOOPBACK_CTRL:
dissect_oampdu_loopback_control(tvb, oampdu_tree);
break;
case OAMPDU_VENDOR_SPECIFIC:
dissect_oampdu_vendor_specific(tvb, oampdu_tree);
default:
break;
}
}
}
/*
* Name: dissect_oampdu_information
*
* Description:
* This function is used to dissect the Information TLVs define in IEEE802.3
* section 57.5.2).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_information(tvbuff_t *tvb, proto_tree *tree)
{
guint16 raw_word;
guint8 raw_octet;
guint8 info_type;
guint32 offset;
guint16 bytes;
const guint8 *ptr;
proto_tree *info_tree;
proto_item *info_item;
proto_tree *state_tree;
proto_item *state_item;
proto_tree *cfg_tree;
proto_item *cfg_item;
proto_item *oui_item;
proto_item *item;
offset = OAMPDU_HEADER_SIZE;
while (1)
{
bytes = tvb_length_remaining(tvb, offset);
if (bytes < 1) break;
info_type = tvb_get_guint8(tvb, offset);
if (info_type == OAMPDU_INFO_TYPE_ENDMARKER) break;
info_item = proto_tree_add_uint(tree, hf_oampdu_info_type, tvb,
offset, 1, info_type);
switch (info_type)
{
case OAMPDU_INFO_TYPE_LOCAL:
info_tree = proto_item_add_subtree(info_item, ett_oampdu_local_info);
break;
case OAMPDU_INFO_TYPE_REMOTE:
info_tree = proto_item_add_subtree(info_item, ett_oampdu_remote_info);
break;
case OAMPDU_INFO_TYPE_ORG:
info_tree = proto_item_add_subtree(info_item, ett_oampdu_org_info);
break;
default:
info_tree = NULL;
break;
}
offset += OAMPDU_INFO_TYPE_SZ;
if ((info_type==OAMPDU_INFO_TYPE_LOCAL)||(info_type==OAMPDU_INFO_TYPE_REMOTE))
{
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(info_tree, hf_oampdu_info_len,
tvb, offset, 1, raw_octet);
offset += OAMPDU_INFO_LENGTH_SZ;
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(info_tree, hf_oampdu_info_version,
tvb, offset, 1, raw_octet);
offset += OAMPDU_INFO_VERSION_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(info_tree, hf_oampdu_info_revision,
tvb, offset, 2, raw_word);
offset += OAMPDU_INFO_REVISION_SZ;
/* Build OAM State field field */
raw_octet = tvb_get_guint8(tvb, offset);
state_item = proto_tree_add_uint(info_tree, hf_oampdu_info_state,
tvb, offset, 1, raw_octet);
if (raw_octet == OAMPDU_INFO_TYPE_LOCAL)
state_tree = proto_item_add_subtree(state_item, ett_oampdu_local_info_state);
else
state_tree = proto_item_add_subtree(state_item, ett_oampdu_remote_info_state);
proto_tree_add_uint(state_tree, hf_oampdu_info_state_parser,
tvb, offset, 1, raw_octet);
proto_tree_add_boolean(state_tree, hf_oampdu_info_state_mux,
tvb, offset, 1, raw_octet);
offset += OAMPDU_INFO_STATE_SZ;
/* Build OAM configuration field */
raw_octet = tvb_get_guint8(tvb, offset);
cfg_item = proto_tree_add_uint(info_tree, hf_oampdu_info_oamConfig,
tvb, offset, 1, raw_octet);
if (raw_octet == OAMPDU_INFO_TYPE_LOCAL)
cfg_tree = proto_item_add_subtree(cfg_item, ett_oampdu_local_info_config);
else
cfg_tree = proto_item_add_subtree(cfg_item, ett_oampdu_remote_info_config);
proto_tree_add_boolean(cfg_tree, hf_oampdu_info_oamConfig_mode,
tvb, offset, 1, raw_octet);
proto_tree_add_boolean(cfg_tree, hf_oampdu_info_oamConfig_uni,
tvb, offset, 1, raw_octet);
proto_tree_add_boolean(cfg_tree, hf_oampdu_info_oamConfig_lpbk,
tvb, offset, 1, raw_octet);
proto_tree_add_boolean(cfg_tree, hf_oampdu_info_oamConfig_event,
tvb, offset, 1, raw_octet);
proto_tree_add_boolean(cfg_tree, hf_oampdu_info_oamConfig_var,
tvb, offset, 1, raw_octet);
offset += OAMPDU_INFO_OAM_CONFIG_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
item = proto_tree_add_uint(info_tree, hf_oampdu_info_oampduConfig,
tvb, offset, 2, raw_word);
proto_item_append_text(item, " (bytes)");
offset += OAMPDU_INFO_OAMPDU_CONFIG_SZ;
oui_item = proto_tree_add_item(info_tree, hf_oampdu_info_oui,
tvb, offset, 3, ENC_NA);
APPEND_OUI_NAME(oui_item, ptr, tvb, offset);
offset += OAMPDU_INFO_OUI_SZ;
proto_tree_add_item(info_tree, hf_oampdu_info_vendor,
tvb, offset, 4, ENC_NA);
offset += OAMPDU_INFO_VENDOR_SPECIFIC_SZ;
}
else if (info_type == OAMPDU_INFO_TYPE_ORG)
{
/* see IEEE802.3, section 57.5.2.3 for more details */
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(info_tree, hf_oampdu_info_len,
tvb, offset, 1, raw_octet);
offset += OAMPDU_INFO_LENGTH_SZ;
oui_item = proto_tree_add_item(info_tree, hf_oampdu_info_oui,
tvb, offset, 3, ENC_NA);
APPEND_OUI_NAME(oui_item, ptr, tvb, offset);
offset += OAMPDU_INFO_OUI_SZ;
proto_tree_add_item(info_tree, hf_oampdu_info_vendor,
tvb, offset, raw_octet-5, ENC_NA);
offset += raw_octet-2;
}
else if (info_type==OAMPDU_INFO_TYPE_ENDMARKER)
{
/* A TLV of zero indicate an End of TLV marker */
break;
}
else
{
/* If it's a unknown type jump over */
raw_octet = tvb_get_guint8(tvb, offset);
offset += raw_octet;
}
}
}
/*
* Name: dissect_oampdu_event_notification
*
* Description:
* This function is used to dissect the Event Notification TLVs define in
* IEEE802.3 section 57.5.3).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_event_notification(tvbuff_t *tvb, proto_tree *tree)
{
guint8 raw_octet;
guint16 raw_word;
guint32 dword;
guint64 big;
guint8 event_type;
guint32 offset;
guint16 bytes;
proto_tree *event_tree;
proto_item *event_item;
offset = OAMPDU_HEADER_SIZE;
/* Display the sequence number before displaying the TLVs */
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_event_sequence,
tvb, offset, 2, raw_word);
offset += OAMPDU_EVENT_SEQUENCE_SZ;
while (1)
{
bytes = tvb_length_remaining(tvb, offset);
if (bytes < 1) break;
event_type = tvb_get_guint8(tvb, offset);
if (event_type == 0) break;
event_item = proto_tree_add_uint(tree, hf_oampdu_event_type,
tvb, offset, 1, event_type);
offset += OAMPDU_EVENT_TYPE_SZ;
switch (event_type)
{
case OAMPDU_EVENT_TYPE_END:
break;
case OAMPDU_EVENT_TYPE_ESPE:
{
event_tree = proto_item_add_subtree(event_item,
ett_oampdu_event_espe);
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_length,
tvb, offset, 1, raw_octet);
offset += OAMPDU_EVENT_LENGTH_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_timeStamp,
tvb, offset, 2, raw_word);
offset += OAMPDU_EVENT_TIMESTAMP_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_espeWindow,
tvb, offset, 8, big);
offset += OAMPDU_ESPE_WINDOW_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_espeThreshold,
tvb, offset, 8, big);
offset += OAMPDU_ESPE_THRESHOLD_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_espeErrors,
tvb, offset, 8, big);
offset += OAMPDU_ESPE_ERRORS_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_espeTotalErrors,
tvb, offset, 8, big);
offset += OAMPDU_ESPE_ERR_TOTAL_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_espeTotalEvents,
tvb, offset, 4, dword);
offset += OAMPDU_ESPE_TOTAL_SZ;
break;
}
case OAMPDU_EVENT_TYPE_EFE:
{
event_tree = proto_item_add_subtree(event_item,
ett_oampdu_event_efe);
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_length,
tvb, offset, 1, raw_octet);
offset += OAMPDU_EVENT_LENGTH_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_timeStamp,
tvb, offset, 2, raw_word);
offset += OAMPDU_EVENT_TIMESTAMP_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efeWindow,
tvb, offset, 2, raw_word);
offset += OAMPDU_EFE_WINDOW_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efeThreshold,
tvb, offset, 4, dword);
offset += OAMPDU_EFE_THRESHOLD_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efeErrors,
tvb, offset, 4, dword);
offset += OAMPDU_EFE_ERRORS_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_efeTotalErrors,
tvb, offset, 8, big);
offset += OAMPDU_EFE_ERR_TOTAL_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efeTotalEvents,
tvb, offset, 4, dword);
offset += OAMPDU_EFE_TOTAL_SZ;
break;
}
case OAMPDU_EVENT_TYPE_EFPE:
{
event_tree = proto_item_add_subtree(event_item,
ett_oampdu_event_efpe);
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_length,
tvb, offset, 1, raw_octet);
offset += OAMPDU_EVENT_LENGTH_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_timeStamp,
tvb, offset, 2, raw_word);
offset += OAMPDU_EVENT_TIMESTAMP_SZ;
raw_word = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efpeWindow,
tvb, offset, 4, raw_word);
offset += OAMPDU_EFPE_WINDOW_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efpeThreshold,
tvb, offset, 4, dword);
offset += OAMPDU_EFPE_THRESHOLD_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efpeErrors,
tvb, offset, 4, dword);
offset += OAMPDU_EFPE_ERRORS_SZ;
big = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64(event_tree, hf_oampdu_event_efpeTotalErrors,
tvb, offset, 8, big);
offset += OAMPDU_EFPE_ERR_TOTAL_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efpeTotalEvents,
tvb, offset, 4, dword);
offset += OAMPDU_EFPE_TOTAL_SZ;
break;
}
case OAMPDU_EVENT_TYPE_EFSSE:
{
event_tree = proto_item_add_subtree(event_item,
ett_oampdu_event_efsse);
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_length,
tvb, offset, 1, raw_octet);
offset += OAMPDU_EVENT_LENGTH_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_timeStamp,
tvb, offset, 2, raw_word);
offset += OAMPDU_EVENT_TIMESTAMP_SZ;
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efsseWindow,
tvb, offset, 2, raw_word);
offset += OAMPDU_EFSSE_WINDOW_SZ;
dword = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efsseThreshold,
tvb, offset, 2, dword);
offset += OAMPDU_EFSSE_THRESHOLD_SZ;
dword = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efsseErrors,
tvb, offset, 2, dword);
offset += OAMPDU_EFSSE_ERRORS_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efsseTotalErrors,
tvb, offset, 4, dword);
offset += OAMPDU_EFSSE_ERR_TOTAL_SZ;
dword = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_efsseTotalEvents,
tvb, offset, 4, dword);
offset += OAMPDU_EFSSE_TOTAL_SZ;
break;
}
case OAMPDU_EVENT_TYPE_OSE:
{
event_tree = proto_item_add_subtree(event_item,
ett_oampdu_event_ose);
raw_octet = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(event_tree, hf_oampdu_event_length,
tvb, offset, 1, raw_octet);
offset += OAMPDU_EVENT_LENGTH_SZ;
offset += (raw_word-2);
break;
}
default:
break;
}
}
}
/*
* Name: dissect_oampdu_variable_request
*
* Description:
* This function is used to dissect the Variable Request TLVs define in
* IEEE802.3 section 57.6).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_variable_request(tvbuff_t *tvb, proto_tree *tree)
{
guint16 raw_word;
guint8 raw_octet;
guint32 offset;
offset = OAMPDU_HEADER_SIZE;
while (1)
{
raw_octet = tvb_get_guint8(tvb, offset);
if (raw_octet == 0) break;
proto_tree_add_uint(tree, hf_oampdu_variable_branch,
tvb,offset, 1, raw_octet);
offset+=1;
switch (raw_octet)
{
case OAMPDU_VARS_OBJECT:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_object,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_PACKAGE:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_package,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_BINDING:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_binding,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_ATTRIBUTE:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_attribute,
tvb, offset, 2, raw_word);
break;
}
default:
break;
}
offset+=2;
}
}
/*
* Name: dissect_oampdu_variable_response
*
* Description:
* This function is used to dissect the Variable Response TLVs define in
* IEEE802.3 section 57.6).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_variable_response(tvbuff_t *tvb, proto_tree *tree)
{
guint16 raw_word;
guint8 raw_octet;
guint32 offset;
offset = OAMPDU_HEADER_SIZE;
while (1)
{
raw_octet = tvb_get_guint8(tvb, offset);
if (raw_octet == 0) break;
proto_tree_add_uint(tree, hf_oampdu_variable_branch,
tvb,offset, 1, raw_octet);
offset+=1;
switch (raw_octet)
{
case OAMPDU_VARS_OBJECT:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_object,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_PACKAGE:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_package,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_BINDING:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_binding,
tvb, offset, 2, raw_word);
break;
}
case OAMPDU_VARS_ATTRIBUTE:
{
raw_word = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_oampdu_variable_attribute,
tvb, offset, 2, raw_word);
break;
}
default:
break;
}
offset+=2;
raw_octet = tvb_get_guint8(tvb, offset);
if (raw_octet >= 0x80)
{
/* Variable Indication */
proto_tree_add_uint(tree, hf_oampdu_variable_indication,
tvb,offset, 1, (raw_octet&0x7F));
offset+=1;
}
else
{
/* Special case for 128 bytes container */
if (raw_octet == 0) raw_octet = 128;
proto_tree_add_uint(tree, hf_oampdu_variable_width,
tvb,offset, 1, raw_octet);
offset+=1;
proto_tree_add_item(tree, hf_oampdu_variable_value,
tvb, offset, raw_octet, ENC_NA);
offset+=raw_octet;
}
}
}
/*
* Name: dissect_oampdu_loopback_control
*
* Description:
* This function is used to dissect the Variable Request TLVs define in
* IEEE802.3 section 57.6).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_loopback_control(tvbuff_t *tvb, proto_tree *tree)
{
guint8 ctrl;
guint32 offset;
guint16 bytes;
proto_tree *ctrl_tree;
proto_item *ctrl_item;
const char *sep;
offset = OAMPDU_HEADER_SIZE;
bytes = tvb_length_remaining(tvb, offset);
if (bytes >= 1)
{
ctrl = tvb_get_guint8(tvb, offset);
ctrl_item = proto_tree_add_uint(tree, hf_oampdu_lpbk,
tvb, offset, 1, ctrl);
ctrl_tree = proto_item_add_subtree(ctrl_item, ett_oampdu_lpbk_ctrl);
sep = initial_sep;
APPEND_BOOLEAN_FLAG(ctrl & OAMPDU_LPBK_ENABLE, ctrl_item,
"%sEnable Remote Loopack");
proto_tree_add_boolean(ctrl_tree, hf_oampdu_lpbk_enable,
tvb, offset, 1, ctrl);
APPEND_BOOLEAN_FLAG(ctrl & OAMPDU_LPBK_DISABLE, ctrl_item,
"%sDisable Remote Loopback");
proto_tree_add_boolean(ctrl_tree, hf_oampdu_lpbk_disable,
tvb, offset, 1, ctrl);
if (sep != initial_sep)
proto_item_append_text(ctrl_item, ")");
}
}
/*
* Name: dissect_oampdu_vendor_specific
*
* Description:
* This function is used to dissect the Vendor Specific TLV define in
* IEEE802.3 section 57.4.3.6).
*
*
* Input Arguments:
* tvb: buffer associate with the rcv packet (see tvbuff.h).
* tree: the protocol tree associate with the oampdu (see proto.h).
*
* Return Values: None
*
* Notes:
* Dominique Bastien (dbastien@accedian.com)
* + add support for 802.3ah-2004.
*/
static void
dissect_oampdu_vendor_specific(tvbuff_t *tvb, proto_tree *tree)
{
guint32 offset;
guint16 bytes;
const guint8 *ptr;
proto_item *oui_item;
offset = OAMPDU_HEADER_SIZE;
bytes = tvb_length_remaining(tvb, offset);
if (bytes >= 3)
{
oui_item = proto_tree_add_item(tree, hf_oampdu_info_oui,
tvb, offset, 3, ENC_NA);
APPEND_OUI_NAME(oui_item, ptr, tvb, offset);
}
}
/* Register the protocol with Wireshark */
void
proto_register_slow_protocols(void)
{
/* Setup list of header fields */
static hf_register_info hf[] = {
/*
* Generic slow protocol portion
*/
{ &hf_slow_subtype,
{ "Slow Protocols subtype", "slow.subtype",
FT_UINT8, BASE_HEX, VALS(subtype_vals), 0x0,
"Identifies the LACP version", HFILL }},
/*
* LACP portion
*/
{ &hf_lacpdu_version_number,
{ "LACP Version Number", "slow.lacp.version",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Identifies the LACP version", HFILL }},
{ &hf_lacpdu_actor_type,
{ "Actor Information", "slow.lacp.actorInfo",
FT_UINT8, BASE_HEX, NULL, 0x0,
"TLV type = Actor", HFILL }},
{ &hf_lacpdu_actor_info_len,
{ "Actor Information Length", "slow.lacp.actorInfoLen",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The length of the Actor TLV", HFILL }},
{ &hf_lacpdu_actor_sys_priority,
{ "Actor System Priority", "slow.lacp.actorSysPriority",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The priority assigned to this System by management or admin", HFILL }},
{ &hf_lacpdu_actor_sys,
{ "Actor System", "slow.lacp.actorSystem",
FT_ETHER, BASE_NONE, NULL, 0x0,
"The Actor's System ID encoded as a MAC address", HFILL }},
{ &hf_lacpdu_actor_key,
{ "Actor Key", "slow.lacp.actorKey",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The operational Key value assigned to the port by the Actor", HFILL }},
{ &hf_lacpdu_actor_port_priority,
{ "Actor Port Priority", "slow.lacp.actorPortPriority",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The priority assigned to the port by the Actor (via Management or Admin)", HFILL }},
{ &hf_lacpdu_actor_port,
{ "Actor Port", "slow.lacp.actorPort",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The port number assigned to the port by the Actor (via Management or Admin)", HFILL }},
{ &hf_lacpdu_actor_state,
{ "Actor State", "slow.lacp.actorState",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The Actor's state variables for the port, encoded as bits within a single octet", HFILL }},
{ &hf_lacpdu_flags_a_activity,
{ "LACP Activity", "slow.lacp.actorState.activity",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_ACTIVITY,
"Activity control value for this link. Active = 1, Passive = 0", HFILL }},
{ &hf_lacpdu_flags_a_timeout,
{ "LACP Timeout", "slow.lacp.actorState.timeout",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_TIMEOUT,
"Timeout control value for this link. Short Timeout = 1, Long Timeout = 0", HFILL }},
{ &hf_lacpdu_flags_a_aggregation,
{ "Aggregation", "slow.lacp.actorState.aggregation",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_AGGREGATION,
"Aggregatable = 1, Individual = 0", HFILL }},
{ &hf_lacpdu_flags_a_sync,
{ "Synchronization", "slow.lacp.actorState.synchronization",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_SYNC,
"In Sync = 1, Out of Sync = 0", HFILL }},
{ &hf_lacpdu_flags_a_collecting,
{ "Collecting", "slow.lacp.actorState.collecting",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_COLLECTING,
"Collection of incoming frames is: Enabled = 1, Disabled = 0", HFILL }},
{ &hf_lacpdu_flags_a_distrib,
{ "Distributing", "slow.lacp.actorState.distributing",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DISTRIB,
"Distribution of outgoing frames is: Enabled = 1, Disabled = 0", HFILL }},
{ &hf_lacpdu_flags_a_defaulted,
{ "Defaulted", "slow.lacp.actorState.defaulted",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DEFAULTED,
"1 = Actor Rx machine is using DEFAULT Partner info, 0 = using info in Rx'd LACPDU", HFILL }},
{ &hf_lacpdu_flags_a_expired,
{ "Expired", "slow.lacp.actorState.expired",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_EXPIRED,
"1 = Actor Rx machine is EXPIRED, 0 = is NOT EXPIRED", HFILL }},
{ &hf_lacpdu_actor_reserved,
{ "Reserved", "slow.lacp.reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_lacpdu_partner_type,
{ "Partner Information", "slow.lacp.partnerInfo",
FT_UINT8, BASE_HEX, NULL, 0x0,
"TLV type = Partner", HFILL }},
{ &hf_lacpdu_partner_info_len,
{ "Partner Information Length", "slow.lacp.partnerInfoLen",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The length of the Partner TLV", HFILL }},
{ &hf_lacpdu_partner_sys_priority,
{ "Partner System Priority", "slow.lacp.partnerSysPriority",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The priority assigned to the Partner System by management or admin", HFILL }},
{ &hf_lacpdu_partner_sys,
{ "Partner System", "slow.lacp.partnerSystem",
FT_ETHER, BASE_NONE, NULL, 0x0,
"The Partner's System ID encoded as a MAC address", HFILL }},
{ &hf_lacpdu_partner_key,
{ "Partner Key", "slow.lacp.partnerKey",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The operational Key value assigned to the port associated with this link by the Partner", HFILL }},
{ &hf_lacpdu_partner_port_priority,
{ "Partner Port Priority", "slow.lacp.partnerPortPriority",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The priority assigned to the port by the Partner (via Management or Admin)", HFILL }},
{ &hf_lacpdu_partner_port,
{ "Partner Port", "slow.lacp.partnerPort",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The port number associated with this link assigned to the port by the Partner (via Management or Admin)", HFILL }},
{ &hf_lacpdu_partner_state,
{ "Partner State", "slow.lacp.partnerState",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The Partner's state variables for the port, encoded as bits within a single octet", HFILL }},
{ &hf_lacpdu_flags_p_activity,
{ "LACP Activity", "slow.lacp.partnerState.activity",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_ACTIVITY,
"Activity control value for this link. Active = 1, Passive = 0", HFILL }},
{ &hf_lacpdu_flags_p_timeout,
{ "LACP Timeout", "slow.lacp.partnerState.timeout",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_TIMEOUT,
"Timeout control value for this link. Short Timeout = 1, Long Timeout = 0", HFILL }},
{ &hf_lacpdu_flags_p_aggregation,
{ "Aggregation", "slow.lacp.partnerState.aggregation",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_AGGREGATION,
"Aggregatable = 1, Individual = 0", HFILL }},
{ &hf_lacpdu_flags_p_sync,
{ "Synchronization", "slow.lacp.partnerState.synchronization",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_SYNC,
"In Sync = 1, Out of Sync = 0", HFILL }},
{ &hf_lacpdu_flags_p_collecting,
{ "Collecting", "slow.lacp.partnerState.collecting",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_COLLECTING,
"Collection of incoming frames is: Enabled = 1, Disabled = 0", HFILL }},
{ &hf_lacpdu_flags_p_distrib,
{ "Distributing", "slow.lacp.partnerState.distributing",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DISTRIB,
"Distribution of outgoing frames is: Enabled = 1, Disabled = 0", HFILL }},
{ &hf_lacpdu_flags_p_defaulted,
{ "Defaulted", "slow.lacp.partnerState.defaulted",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_DEFAULTED,
"1 = Actor Rx machine is using DEFAULT Partner info, 0 = using info in Rx'd LACPDU", HFILL }},
{ &hf_lacpdu_flags_p_expired,
{ "Expired", "slow.lacp.partnerState.expired",
FT_BOOLEAN, 8, TFS(&tfs_yes_no), LACPDU_FLAGS_EXPIRED,
"1 = Actor Rx machine is EXPIRED, 0 = is NOT EXPIRED", HFILL }},
{ &hf_lacpdu_partner_reserved,
{ "Reserved", "slow.lacp.reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_lacpdu_coll_type,
{ "Collector Information", "slow.lacp.collectorInfo",
FT_UINT8, BASE_HEX, NULL, 0x0,
"TLV type = Collector", HFILL }},
{ &hf_lacpdu_coll_info_len,
{ "Collector Information Length", "slow.lacp.collectorInfoLen",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The length of the Collector TLV", HFILL }},
{ &hf_lacpdu_coll_max_delay,
{ "Collector Max Delay", "slow.lacp.collectorMaxDelay",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The max delay of the station tx'ing the LACPDU (in tens of usecs)", HFILL }},
{ &hf_lacpdu_coll_reserved,
{ "Reserved", "slow.lacp.coll_reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_lacpdu_term_type,
{ "Terminator Information", "slow.lacp.termInfo",
FT_UINT8, BASE_HEX, NULL, 0x0,
"TLV type = Terminator", HFILL }},
{ &hf_lacpdu_term_len,
{ "Terminator Length", "slow.lacp.termLen",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The length of the Terminator TLV", HFILL }},
{ &hf_lacpdu_term_reserved,
{ "Reserved", "slow.lacp.term_reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/*
* MARKER portion
*/
{ &hf_marker_version_number,
{ "Version Number", "slow.marker.version",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Identifies the Marker version", HFILL }},
{ &hf_marker_tlv_type,
{ "TLV Type", "slow.marker.tlvType",
FT_UINT8, BASE_HEX, VALS(marker_vals), 0x0,
"Marker TLV type", HFILL }},
{ &hf_marker_tlv_length,
{ "TLV Length", "slow.marker.tlvLen",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The length of the Actor TLV", HFILL }},
{ &hf_marker_req_port,
{ "Requester Port", "slow.marker.requesterPort",
FT_UINT16, BASE_DEC, NULL, 0x0,
"The Requester Port", HFILL }},
{ &hf_marker_req_system,
{ "Requester System", "slow.marker.requesterSystem",
FT_ETHER, BASE_NONE, NULL, 0x0,
"The Requester System ID encoded as a MAC address", HFILL }},
{ &hf_marker_req_trans_id,
{ "Requester Transaction ID", "slow.marker.requesterTransId",
FT_UINT32, BASE_DEC, NULL, 0x0,
"The Requester Transaction ID", HFILL }},
/*
* ESMC portion
*/
{ &hf_ossp_oui,
{ "OUI", "slow.ossp.oui",
FT_BYTES, BASE_NONE, NULL, 0,
"IEEE assigned Organizationally Unique Identifier", HFILL }},
{ &hf_itu_subtype,
{ "ITU-T OSSP Subtype", "slow.ossp.itu.subtype",
FT_UINT16, BASE_HEX, NULL, 0,
"Subtype assigned by the ITU-T", HFILL }},
{ &hf_esmc_version,
{ "Version", "slow.esmc.version",
FT_UINT8, BASE_HEX, NULL, 0xf0,
"This field indicates the version of ITU-T SG15 Q13 OSSP frame format", HFILL }},
{ &hf_esmc_event_flag,
{ "Event Flag", "slow.esmc.event_flag",
FT_UINT8, BASE_HEX, VALS(esmc_event_flag_vals), 0x08,
"This bit distinguishes the critical, time sensitive behaviour of the"
" ESMC Event PDU from the ESMC Information PDU", HFILL }},
{ &hf_esmc_timestamp_valid_flag,
{ "Timestamp Valid Flag", "slow.esmc.timestamp_valid_flag",
FT_UINT8, BASE_HEX, VALS(esmc_timestamp_valid_flag_vals), 0x04,
"Indicates validity (i.e. presence) of the Timestamp TLV", HFILL }},
{ &hf_esmc_reserved_32,
{ "Reserved", "slow.esmc.reserved",
FT_UINT32, BASE_HEX, NULL, 0,
"Reserved. Set to all zero at the transmitter and ignored by the receiver", HFILL }},
{ &hf_esmc_tlv,
{ "ESMC TLV", "slow.esmc.tlv",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_esmc_tlv_type,
{ "TLV Type", "slow.esmc.tlv_type",
FT_UINT8, BASE_HEX, VALS(esmc_tlv_type_vals), 0,
NULL, HFILL }},
{ &hf_esmc_tlv_length,
{ "TLV Length", "slow.esmc.tlv_length",
FT_UINT16, BASE_HEX, NULL, 0,
NULL, HFILL }},
{ &hf_esmc_tlv_ql_unused,
{ "Unused", "slow.esmc.tlv_ql_unused",
FT_UINT8, BASE_HEX, NULL, 0xf0,
"This field is not used in QL TLV", HFILL }},
{ &hf_esmc_quality_level_opt_1,
{ "SSM Code", "slow.esmc.ql",
FT_UINT8, BASE_HEX, VALS(esmc_quality_level_opt_1_vals), 0x0f,
"Quality Level information", HFILL }},
#if 0 /*not used yet*/
{ &hf_esmc_quality_level_opt_2,
{ "SSM Code", "slow.esmc.ql",
FT_UINT8, BASE_HEX, VALS(esmc_quality_level_opt_2_vals), 0x0f,
"Quality Level information", HFILL }},
#endif
{ &hf_esmc_quality_level_invalid,
{ "SSM Code", "slow.esmc.ql",
FT_UINT8, BASE_HEX, VALS(esmc_quality_level_invalid_vals), 0x0f,
"Quality Level information", HFILL }},
{ &hf_esmc_timestamp,
{ "Timestamp (ns)", "slow.esmc.timestamp",
FT_INT32, BASE_DEC, NULL, 0,
"Timestamp according to the \"whole nanoseconds\" part of the IEEE 1588 originTimestamp", HFILL }},
{ &hf_esmc_tlv_ts_reserved,
{ "Reserved", "slow.esmc.tlv_ts_reserved",
FT_UINT8, BASE_HEX, NULL, 0,
"Reserved. Set to all zero at the transmitter and ignored by the receiver", HFILL }},
{ &hf_esmc_padding,
{ "Padding", "slow.esmc.padding",
FT_BYTES, BASE_NONE, NULL, 0x0,
"This field contains necessary padding to achieve the minimum frame size of 64 bytes at least", HFILL }},
/*
* OAMPDU portion
*/
{ &hf_oampdu_flags,
{ "Flags", "slow.oam.flags",
FT_UINT16, BASE_HEX, NULL, 0x0,
"The Flags Field", HFILL }},
{ &hf_oampdu_flags_link_fault,
{ "Link Fault", "slow.oam.flags.linkFault",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_LINK_FAULT,
"The PHY detected a fault in the receive direction. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_dying_gasp,
{ "Dying Gasp", "slow.oam.flags.dyingGasp",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_DYING_GASP,
"An unrecoverable local failure occured. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_critical_event,
{ "Critical Event", "slow.oam.flags.criticalEvent",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_CRITICAL_EVENT,
"A critical event has occurred. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_local_evaluating,
{ "Local Evaluating", "slow.oam.flags.localEvaluating",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_LOCAL_EVAL,
"Local DTE Discovery process in progress. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_local_stable,
{ "Local Stable", "slow.oam.flags.localStable",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_LOCAL_STABLE,
"Local DTE is Stable. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_remote_evaluating,
{ "Remote Evaluating", "slow.oam.flags.remoteEvaluating",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_REMOTE_EVAL,
"Remote DTE Discovery process in progress. True = 1, False = 0", HFILL }},
{ &hf_oampdu_flags_remote_stable,
{ "Remote Stable", "slow.oam.flags.remoteStable",
FT_BOOLEAN, 8, TFS(&tfs_true_false), OAMPDU_FLAGS_REMOTE_STABLE,
"Remote DTE is Stable. True = 1, False = 0", HFILL }},
{ &hf_oampdu_code,
{ "OAMPDU code", "slow.oam.code",
FT_UINT8, BASE_HEX, VALS(code_vals), 0x0,
"Identifies the TLVs code", HFILL }},
{ &hf_oampdu_info_type,
{ "Type", "slow.oam.info.type",
FT_UINT8, BASE_HEX, VALS(info_type_vals), 0x0,
"Identifies the TLV type", HFILL }},
{ &hf_oampdu_info_len,
{ "TLV Length", "slow.oam.info.length",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Identifies the TLVs type", HFILL }},
{ &hf_oampdu_info_version,
{ "TLV Version", "slow.oam.info.version",
FT_UINT8, BASE_HEX, NULL, 0x0,
"Identifies the TLVs version", HFILL }},
{ &hf_oampdu_info_revision,
{ "TLV Revision", "slow.oam.info.revision",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Identifies the TLVs revision", HFILL }},
{ &hf_oampdu_info_state,
{ "OAM DTE States", "slow.oam.info.state",
FT_UINT8, BASE_HEX, NULL, 0x0,
"OAM DTE State of the Mux and the Parser", HFILL }},
{ &hf_oampdu_info_state_parser,
{ "Parser Action", "slow.oam.info.state.parser",
FT_UINT8, BASE_HEX, VALS(parser_vals), 0x03,
NULL, HFILL }},
{ &hf_oampdu_info_state_mux,
{ "Muxiplexer Action", "slow.oam.info.state.muxiplexer",
FT_BOOLEAN, 8, TFS(&mux), 0x04,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig,
{ "OAM Configuration", "slow.oam.info.oamConfig",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig_mode,
{ "OAM Mode", "slow.oam.info.oamConfig.mode",
FT_BOOLEAN, 8, TFS(&oam_mode), OAMPDU_INFO_CONFIG_MODE,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig_uni,
{ "Unidirectional support", "slow.oam.flags.dyingGasp",
FT_BOOLEAN, 8, TFS(&oam_uni), OAMPDU_INFO_CONFIG_UNI,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig_lpbk,
{ "Loopback support", "slow.oam.flags.criticalEvent",
FT_BOOLEAN, 8, TFS(&oam_lpbk), OAMPDU_INFO_CONFIG_LPBK,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig_event,
{ "Link Events support", "slow.oam.flags.localEvaluating",
FT_BOOLEAN, 8, TFS(&oam_event), OAMPDU_INFO_CONFIG_EVENT,
NULL, HFILL }},
{ &hf_oampdu_info_oamConfig_var,
{ "Variable Retrieval", "slow.oam.flags.localStable",
FT_BOOLEAN, 8, TFS(&oam_var), OAMPDU_INFO_CONFIG_VAR,
"Variable Retrieval support", HFILL }},
{ &hf_oampdu_info_oampduConfig,
{ "Max OAMPDU Size", "slow.oam.info.oampduConfig",
FT_UINT16, BASE_DEC, NULL, 0x0,
"OAMPDU Configuration", HFILL }},
{ &hf_oampdu_info_oui,
{ "Organizationally Unique Identifier", "slow.oam.info.oui",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_oampdu_info_vendor,
{ "Vendor Specific Information", "slow.oam.info.vendor",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/*
* Event notification definitions
*/
{ &hf_oampdu_event_sequence,
{ "Sequence Number", "slow.oam.event.sequence",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Identifies the Event Notification TLVs", HFILL }},
{ &hf_oampdu_event_type,
{ "Event Type", "slow.oam.event.type",
FT_UINT8, BASE_HEX, VALS(event_type_vals), 0x0,
"Identifies the TLV type", HFILL }},
{ &hf_oampdu_event_length,
{ "Event Length", "slow.oam.event.length",
FT_UINT8, BASE_HEX, NULL, 0x0,
"This field indicates the length in octets of the TLV-tuple", HFILL }},
{ &hf_oampdu_event_timeStamp,
{ "Event Timestamp (100ms)", "slow.oam.event.timestamp",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Event Time Stamp in term of 100 ms intervals", HFILL }},
/* Errored Symbol Period Event TLV */
{ &hf_oampdu_event_espeWindow,
{ "Errored Symbol Window", "slow.oam.event.espeWindow",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of symbols in the period", HFILL }},
{ &hf_oampdu_event_espeThreshold,
{ "Errored Symbol Threshold", "slow.oam.event.espeThreshold",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of symbols required to generate the Event", HFILL }},
{ &hf_oampdu_event_espeErrors,
{ "Errored Symbols", "slow.oam.event.espeErrors",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of symbols in error", HFILL }},
{ &hf_oampdu_event_espeTotalErrors,
{ "Error Running Total", "slow.oam.event.espeTotalErrors",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of symbols in error since reset of the sublayer", HFILL }},
{ &hf_oampdu_event_espeTotalEvents,
{ "Event Running Total", "slow.oam.event.espeTotalEvents",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Total Event generated since reset of the sublayer", HFILL }},
/* Errored Frame Event TLV */
{ &hf_oampdu_event_efeWindow,
{ "Errored Frame Window", "slow.oam.event.efeWindow",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Number of symbols in the period", HFILL }},
{ &hf_oampdu_event_efeThreshold,
{ "Errored Frame Threshold", "slow.oam.event.efeThreshold",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of frames required to generate the Event", HFILL }},
{ &hf_oampdu_event_efeErrors,
{ "Errored Frames", "slow.oam.event.efeErrors",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of symbols in error", HFILL }},
{ &hf_oampdu_event_efeTotalErrors,
{ "Error Running Total", "slow.oam.event.efeTotalErrors",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of frames in error since reset of the sublayer", HFILL }},
{ &hf_oampdu_event_efeTotalEvents,
{ "Event Running Total", "slow.oam.event.efeTotalEvents",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Total Event generated since reset of the sublayer", HFILL }},
/* Errored Frame Period Event TLV */
{ &hf_oampdu_event_efpeWindow,
{ "Errored Frame Window", "slow.oam.event.efpeWindow",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of frame in error during the period", HFILL }},
{ &hf_oampdu_event_efpeThreshold,
{ "Errored Frame Threshold", "slow.oam.event.efpeThreshold",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of frames required to generate the Event", HFILL }},
{ &hf_oampdu_event_efpeErrors,
{ "Errored Frames", "slow.oam.event.efeErrors",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of symbols in error", HFILL }},
{ &hf_oampdu_event_efpeTotalErrors,
{ "Error Running Total", "slow.oam.event.efpeTotalErrors",
FT_UINT64, BASE_DEC, NULL, 0x0,
"Number of frames in error since reset of the sublayer", HFILL }},
{ &hf_oampdu_event_efpeTotalEvents,
{ "Event Running Total", "slow.oam.event.efpeTotalEvents",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Total Event generated since reset of the sublayer", HFILL }},
/* Errored Frame Second Summary Event TLV */
{ &hf_oampdu_event_efsseWindow,
{ "Errored Frame Window", "slow.oam.event.efsseWindow",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Number of frame in error during the period", HFILL }},
{ &hf_oampdu_event_efsseThreshold,
{ "Errored Frame Threshold", "slow.oam.event.efsseThreshold",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Number of frames required to generate the Event", HFILL }},
{ &hf_oampdu_event_efsseErrors,
{ "Errored Frames", "slow.oam.event.efeErrors",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Number of symbols in error", HFILL }},
{ &hf_oampdu_event_efsseTotalErrors,
{ "Error Running Total", "slow.oam.event.efsseTotalErrors",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Number of frames in error since reset of the sublayer", HFILL }},
{ &hf_oampdu_event_efsseTotalEvents,
{ "Event Running Total", "slow.oam.event.efsseTotalEvents",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Total Event generated since reset of the sublayer", HFILL }},
/* Variable request and response definitions*/
{ &hf_oampdu_variable_branch,
{ "Branch", "slow.oam.variable.branch",
FT_UINT8, BASE_HEX, VALS(branch_vals), 0x0,
"Variable Branch, derived from the CMIP protocol in Annex 30A", HFILL }},
{ &hf_oampdu_variable_object,
{ "Leaf", "slow.oam.variable.object",
FT_UINT16, BASE_HEX, VALS(object_vals), 0x0,
"Object, derived from the CMIP protocol in Annex 30A", HFILL }},
{ &hf_oampdu_variable_package,
{ "Leaf", "slow.oam.variable.package",
FT_UINT16, BASE_HEX, VALS(package_vals), 0x0,
"Package, derived from the CMIP protocol in Annex 30A", HFILL }},
{ &hf_oampdu_variable_binding,
{ "Leaf", "slow.oam.variable.binding",
FT_UINT16, BASE_HEX, VALS(binding_vals), 0x0,
"Binding, derived from the CMIP protocol in Annex 30A", HFILL }},
{ &hf_oampdu_variable_attribute,
{ "Leaf", "slow.oam.variable.attribute",
FT_UINT16, BASE_HEX|BASE_EXT_STRING, &attribute_vals_ext, 0x0,
"Attribute, derived from the CMIP protocol in Annex 30A", HFILL }},
{ &hf_oampdu_variable_width,
{ "Variable Width", "slow.oam.variable.width",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Width", HFILL }},
{ &hf_oampdu_variable_indication,
{ "Variable indication", "slow.oam.variable.indication",
FT_UINT8, BASE_HEX, VALS(indication_vals), 0x0,
NULL, HFILL }},
{ &hf_oampdu_variable_value,
{ "Variable Value", "slow.oam.variable.value",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Value", HFILL }},
/* Loopback Control definitions*/
{ &hf_oampdu_lpbk,
{ "Commands", "slow.oam.lpbk.commands",
FT_UINT8, BASE_HEX, NULL, 0x0,
"The List of Loopback Commands", HFILL }},
{ &hf_oampdu_lpbk_enable,
{ "Enable Remote Loopback", "slow.oam.lpbk.commands.enable",
FT_BOOLEAN, 8, NULL, OAMPDU_LPBK_ENABLE,
"Enable Remote Loopback Command", HFILL }},
{ &hf_oampdu_lpbk_disable,
{ "Disable Remote Loopback", "slow.oam.lpbk.commands.disable",
FT_BOOLEAN, 8, NULL, OAMPDU_LPBK_DISABLE,
"Disable Remote Loopback Command", HFILL }}
};
/* Setup protocol subtree array */
static gint *ett[] = {
&ett_pdu,
&ett_lacpdu,
&ett_lacpdu_a_flags,
&ett_lacpdu_p_flags,
&ett_marker,
&ett_esmc,
&ett_oampdu,
&ett_oampdu_flags,
&ett_oampdu_local_info,
&ett_oampdu_local_info_state,
&ett_oampdu_local_info_config,
&ett_oampdu_remote_info,
&ett_oampdu_remote_info_state,
&ett_oampdu_remote_info_config,
&ett_oampdu_org_info,
&ett_oampdu_event_espe,
&ett_oampdu_event_efe,
&ett_oampdu_event_efpe,
&ett_oampdu_event_efsse,
&ett_oampdu_event_ose,
&ett_oampdu_lpbk_ctrl,
&ett_ossppdu,
&ett_itu_ossp
};
/* Register the protocol name and description */
proto_slow = proto_register_protocol("Slow Protocols", "802.3 Slow protocols", "slow");
/* Required function calls to register the header fields and subtrees used */
proto_register_field_array(proto_slow, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_slow_protocols(void)
{
dissector_handle_t slow_protocols_handle;
slow_protocols_handle = create_dissector_handle(dissect_slow_protocols, proto_slow);
dissector_add_uint("ethertype", ETHERTYPE_SLOW_PROTOCOLS, slow_protocols_handle);
dh_data = find_dissector("data");
}
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