diff options
Diffstat (limited to 'vendor/github.com/google/gopacket/layers/lldp.go')
| -rw-r--r-- | vendor/github.com/google/gopacket/layers/lldp.go | 1530 |
1 files changed, 1530 insertions, 0 deletions
diff --git a/vendor/github.com/google/gopacket/layers/lldp.go b/vendor/github.com/google/gopacket/layers/lldp.go new file mode 100644 index 0000000..92ec7da --- /dev/null +++ b/vendor/github.com/google/gopacket/layers/lldp.go @@ -0,0 +1,1530 @@ +// Copyright 2012 Google, Inc. All rights reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the LICENSE file in the root of the source +// tree. + +package layers + +import ( + "encoding/binary" + "errors" + "fmt" + + "github.com/google/gopacket" +) + +// LLDPTLVType is the type of each TLV value in a LinkLayerDiscovery packet. +type LLDPTLVType byte + +const ( + LLDPTLVEnd LLDPTLVType = 0 + LLDPTLVChassisID LLDPTLVType = 1 + LLDPTLVPortID LLDPTLVType = 2 + LLDPTLVTTL LLDPTLVType = 3 + LLDPTLVPortDescription LLDPTLVType = 4 + LLDPTLVSysName LLDPTLVType = 5 + LLDPTLVSysDescription LLDPTLVType = 6 + LLDPTLVSysCapabilities LLDPTLVType = 7 + LLDPTLVMgmtAddress LLDPTLVType = 8 + LLDPTLVOrgSpecific LLDPTLVType = 127 +) + +// LinkLayerDiscoveryValue is a TLV value inside a LinkLayerDiscovery packet layer. +type LinkLayerDiscoveryValue struct { + Type LLDPTLVType + Length uint16 + Value []byte +} + +// LLDPChassisIDSubType specifies the value type for a single LLDPChassisID.ID +type LLDPChassisIDSubType byte + +// LLDP Chassis Types +const ( + LLDPChassisIDSubTypeReserved LLDPChassisIDSubType = 0 + LLDPChassisIDSubTypeChassisComp LLDPChassisIDSubType = 1 + LLDPChassisIDSubtypeIfaceAlias LLDPChassisIDSubType = 2 + LLDPChassisIDSubTypePortComp LLDPChassisIDSubType = 3 + LLDPChassisIDSubTypeMACAddr LLDPChassisIDSubType = 4 + LLDPChassisIDSubTypeNetworkAddr LLDPChassisIDSubType = 5 + LLDPChassisIDSubtypeIfaceName LLDPChassisIDSubType = 6 + LLDPChassisIDSubTypeLocal LLDPChassisIDSubType = 7 +) + +type LLDPChassisID struct { + Subtype LLDPChassisIDSubType + ID []byte +} + +// LLDPPortIDSubType specifies the value type for a single LLDPPortID.ID +type LLDPPortIDSubType byte + +// LLDP PortID types +const ( + LLDPPortIDSubtypeReserved LLDPPortIDSubType = 0 + LLDPPortIDSubtypeIfaceAlias LLDPPortIDSubType = 1 + LLDPPortIDSubtypePortComp LLDPPortIDSubType = 2 + LLDPPortIDSubtypeMACAddr LLDPPortIDSubType = 3 + LLDPPortIDSubtypeNetworkAddr LLDPPortIDSubType = 4 + LLDPPortIDSubtypeIfaceName LLDPPortIDSubType = 5 + LLDPPortIDSubtypeAgentCircuitID LLDPPortIDSubType = 6 + LLDPPortIDSubtypeLocal LLDPPortIDSubType = 7 +) + +type LLDPPortID struct { + Subtype LLDPPortIDSubType + ID []byte +} + +// LinkLayerDiscovery is a packet layer containing the LinkLayer Discovery Protocol. +// See http:http://standards.ieee.org/getieee802/download/802.1AB-2009.pdf +// ChassisID, PortID and TTL are mandatory TLV's. Other values can be decoded +// with DecodeValues() +type LinkLayerDiscovery struct { + BaseLayer + ChassisID LLDPChassisID + PortID LLDPPortID + TTL uint16 + Values []LinkLayerDiscoveryValue +} + +type IEEEOUI uint32 + +// http://standards.ieee.org/develop/regauth/oui/oui.txt +const ( + IEEEOUI8021 IEEEOUI = 0x0080c2 + IEEEOUI8023 IEEEOUI = 0x00120f + IEEEOUI80211 IEEEOUI = 0x000fac + IEEEOUI8021Qbg IEEEOUI = 0x0013BF + IEEEOUICisco2 IEEEOUI = 0x000142 + IEEEOUIMedia IEEEOUI = 0x0012bb // TR-41 + IEEEOUIProfinet IEEEOUI = 0x000ecf + IEEEOUIDCBX IEEEOUI = 0x001b21 +) + +// LLDPOrgSpecificTLV is an Organisation-specific TLV +type LLDPOrgSpecificTLV struct { + OUI IEEEOUI + SubType uint8 + Info []byte +} + +// LLDPCapabilities Types +const ( + LLDPCapsOther uint16 = 1 << 0 + LLDPCapsRepeater uint16 = 1 << 1 + LLDPCapsBridge uint16 = 1 << 2 + LLDPCapsWLANAP uint16 = 1 << 3 + LLDPCapsRouter uint16 = 1 << 4 + LLDPCapsPhone uint16 = 1 << 5 + LLDPCapsDocSis uint16 = 1 << 6 + LLDPCapsStationOnly uint16 = 1 << 7 + LLDPCapsCVLAN uint16 = 1 << 8 + LLDPCapsSVLAN uint16 = 1 << 9 + LLDPCapsTmpr uint16 = 1 << 10 +) + +// LLDPCapabilities represents the capabilities of a device +type LLDPCapabilities struct { + Other bool + Repeater bool + Bridge bool + WLANAP bool + Router bool + Phone bool + DocSis bool + StationOnly bool + CVLAN bool + SVLAN bool + TMPR bool +} + +type LLDPSysCapabilities struct { + SystemCap LLDPCapabilities + EnabledCap LLDPCapabilities +} + +type IANAAddressFamily byte + +// LLDP Management Address Subtypes +// http://www.iana.org/assignments/address-family-numbers/address-family-numbers.xml +const ( + IANAAddressFamilyReserved IANAAddressFamily = 0 + IANAAddressFamilyIPV4 IANAAddressFamily = 1 + IANAAddressFamilyIPV6 IANAAddressFamily = 2 + IANAAddressFamilyNSAP IANAAddressFamily = 3 + IANAAddressFamilyHDLC IANAAddressFamily = 4 + IANAAddressFamilyBBN1822 IANAAddressFamily = 5 + IANAAddressFamily802 IANAAddressFamily = 6 + IANAAddressFamilyE163 IANAAddressFamily = 7 + IANAAddressFamilyE164 IANAAddressFamily = 8 + IANAAddressFamilyF69 IANAAddressFamily = 9 + IANAAddressFamilyX121 IANAAddressFamily = 10 + IANAAddressFamilyIPX IANAAddressFamily = 11 + IANAAddressFamilyAtalk IANAAddressFamily = 12 + IANAAddressFamilyDecnet IANAAddressFamily = 13 + IANAAddressFamilyBanyan IANAAddressFamily = 14 + IANAAddressFamilyE164NSAP IANAAddressFamily = 15 + IANAAddressFamilyDNS IANAAddressFamily = 16 + IANAAddressFamilyDistname IANAAddressFamily = 17 + IANAAddressFamilyASNumber IANAAddressFamily = 18 + IANAAddressFamilyXTPIPV4 IANAAddressFamily = 19 + IANAAddressFamilyXTPIPV6 IANAAddressFamily = 20 + IANAAddressFamilyXTP IANAAddressFamily = 21 + IANAAddressFamilyFcWWPN IANAAddressFamily = 22 + IANAAddressFamilyFcWWNN IANAAddressFamily = 23 + IANAAddressFamilyGWID IANAAddressFamily = 24 + IANAAddressFamilyL2VPN IANAAddressFamily = 25 +) + +type LLDPInterfaceSubtype byte + +// LLDP Interface Subtypes +const ( + LLDPInterfaceSubtypeUnknown LLDPInterfaceSubtype = 1 + LLDPInterfaceSubtypeifIndex LLDPInterfaceSubtype = 2 + LLDPInterfaceSubtypeSysPort LLDPInterfaceSubtype = 3 +) + +type LLDPMgmtAddress struct { + Subtype IANAAddressFamily + Address []byte + InterfaceSubtype LLDPInterfaceSubtype + InterfaceNumber uint32 + OID string +} + +// LinkLayerDiscoveryInfo represents the decoded details for a set of LinkLayerDiscoveryValues +// Organisation-specific TLV's can be decoded using the various Decode() methods +type LinkLayerDiscoveryInfo struct { + BaseLayer + PortDescription string + SysName string + SysDescription string + SysCapabilities LLDPSysCapabilities + MgmtAddress LLDPMgmtAddress + OrgTLVs []LLDPOrgSpecificTLV // Private TLVs + Unknown []LinkLayerDiscoveryValue // undecoded TLVs +} + +/// IEEE 802.1 TLV Subtypes +const ( + LLDP8021SubtypePortVLANID uint8 = 1 + LLDP8021SubtypeProtocolVLANID uint8 = 2 + LLDP8021SubtypeVLANName uint8 = 3 + LLDP8021SubtypeProtocolIdentity uint8 = 4 + LLDP8021SubtypeVDIUsageDigest uint8 = 5 + LLDP8021SubtypeManagementVID uint8 = 6 + LLDP8021SubtypeLinkAggregation uint8 = 7 +) + +// VLAN Port Protocol ID options +const ( + LLDPProtocolVLANIDCapability byte = 1 << 1 + LLDPProtocolVLANIDStatus byte = 1 << 2 +) + +type PortProtocolVLANID struct { + Supported bool + Enabled bool + ID uint16 +} + +type VLANName struct { + ID uint16 + Name string +} + +type ProtocolIdentity []byte + +// LACP options +const ( + LLDPAggregationCapability byte = 1 << 0 + LLDPAggregationStatus byte = 1 << 1 +) + +// IEEE 802 Link Aggregation parameters +type LLDPLinkAggregation struct { + Supported bool + Enabled bool + PortID uint32 +} + +// LLDPInfo8021 represents the information carried in 802.1 Org-specific TLVs +type LLDPInfo8021 struct { + PVID uint16 + PPVIDs []PortProtocolVLANID + VLANNames []VLANName + ProtocolIdentities []ProtocolIdentity + VIDUsageDigest uint32 + ManagementVID uint16 + LinkAggregation LLDPLinkAggregation +} + +// IEEE 802.3 TLV Subtypes +const ( + LLDP8023SubtypeMACPHY uint8 = 1 + LLDP8023SubtypeMDIPower uint8 = 2 + LLDP8023SubtypeLinkAggregation uint8 = 3 + LLDP8023SubtypeMTU uint8 = 4 +) + +// MACPHY options +const ( + LLDPMACPHYCapability byte = 1 << 0 + LLDPMACPHYStatus byte = 1 << 1 +) + +// From IANA-MAU-MIB (introduced by RFC 4836) - dot3MauType +const ( + LLDPMAUTypeUnknown uint16 = 0 + LLDPMAUTypeAUI uint16 = 1 + LLDPMAUType10Base5 uint16 = 2 + LLDPMAUTypeFOIRL uint16 = 3 + LLDPMAUType10Base2 uint16 = 4 + LLDPMAUType10BaseT uint16 = 5 + LLDPMAUType10BaseFP uint16 = 6 + LLDPMAUType10BaseFB uint16 = 7 + LLDPMAUType10BaseFL uint16 = 8 + LLDPMAUType10BROAD36 uint16 = 9 + LLDPMAUType10BaseT_HD uint16 = 10 + LLDPMAUType10BaseT_FD uint16 = 11 + LLDPMAUType10BaseFL_HD uint16 = 12 + LLDPMAUType10BaseFL_FD uint16 = 13 + LLDPMAUType100BaseT4 uint16 = 14 + LLDPMAUType100BaseTX_HD uint16 = 15 + LLDPMAUType100BaseTX_FD uint16 = 16 + LLDPMAUType100BaseFX_HD uint16 = 17 + LLDPMAUType100BaseFX_FD uint16 = 18 + LLDPMAUType100BaseT2_HD uint16 = 19 + LLDPMAUType100BaseT2_FD uint16 = 20 + LLDPMAUType1000BaseX_HD uint16 = 21 + LLDPMAUType1000BaseX_FD uint16 = 22 + LLDPMAUType1000BaseLX_HD uint16 = 23 + LLDPMAUType1000BaseLX_FD uint16 = 24 + LLDPMAUType1000BaseSX_HD uint16 = 25 + LLDPMAUType1000BaseSX_FD uint16 = 26 + LLDPMAUType1000BaseCX_HD uint16 = 27 + LLDPMAUType1000BaseCX_FD uint16 = 28 + LLDPMAUType1000BaseT_HD uint16 = 29 + LLDPMAUType1000BaseT_FD uint16 = 30 + LLDPMAUType10GBaseX uint16 = 31 + LLDPMAUType10GBaseLX4 uint16 = 32 + LLDPMAUType10GBaseR uint16 = 33 + LLDPMAUType10GBaseER uint16 = 34 + LLDPMAUType10GBaseLR uint16 = 35 + LLDPMAUType10GBaseSR uint16 = 36 + LLDPMAUType10GBaseW uint16 = 37 + LLDPMAUType10GBaseEW uint16 = 38 + LLDPMAUType10GBaseLW uint16 = 39 + LLDPMAUType10GBaseSW uint16 = 40 + LLDPMAUType10GBaseCX4 uint16 = 41 + LLDPMAUType2BaseTL uint16 = 42 + LLDPMAUType10PASS_TS uint16 = 43 + LLDPMAUType100BaseBX10D uint16 = 44 + LLDPMAUType100BaseBX10U uint16 = 45 + LLDPMAUType100BaseLX10 uint16 = 46 + LLDPMAUType1000BaseBX10D uint16 = 47 + LLDPMAUType1000BaseBX10U uint16 = 48 + LLDPMAUType1000BaseLX10 uint16 = 49 + LLDPMAUType1000BasePX10D uint16 = 50 + LLDPMAUType1000BasePX10U uint16 = 51 + LLDPMAUType1000BasePX20D uint16 = 52 + LLDPMAUType1000BasePX20U uint16 = 53 + LLDPMAUType10GBaseT uint16 = 54 + LLDPMAUType10GBaseLRM uint16 = 55 + LLDPMAUType1000BaseKX uint16 = 56 + LLDPMAUType10GBaseKX4 uint16 = 57 + LLDPMAUType10GBaseKR uint16 = 58 + LLDPMAUType10_1GBasePRX_D1 uint16 = 59 + LLDPMAUType10_1GBasePRX_D2 uint16 = 60 + LLDPMAUType10_1GBasePRX_D3 uint16 = 61 + LLDPMAUType10_1GBasePRX_U1 uint16 = 62 + LLDPMAUType10_1GBasePRX_U2 uint16 = 63 + LLDPMAUType10_1GBasePRX_U3 uint16 = 64 + LLDPMAUType10GBasePR_D1 uint16 = 65 + LLDPMAUType10GBasePR_D2 uint16 = 66 + LLDPMAUType10GBasePR_D3 uint16 = 67 + LLDPMAUType10GBasePR_U1 uint16 = 68 + LLDPMAUType10GBasePR_U3 uint16 = 69 +) + +// From RFC 3636 - ifMauAutoNegCapAdvertisedBits +const ( + LLDPMAUPMDOther uint16 = 1 << 15 + LLDPMAUPMD10BaseT uint16 = 1 << 14 + LLDPMAUPMD10BaseT_FD uint16 = 1 << 13 + LLDPMAUPMD100BaseT4 uint16 = 1 << 12 + LLDPMAUPMD100BaseTX uint16 = 1 << 11 + LLDPMAUPMD100BaseTX_FD uint16 = 1 << 10 + LLDPMAUPMD100BaseT2 uint16 = 1 << 9 + LLDPMAUPMD100BaseT2_FD uint16 = 1 << 8 + LLDPMAUPMDFDXPAUSE uint16 = 1 << 7 + LLDPMAUPMDFDXAPAUSE uint16 = 1 << 6 + LLDPMAUPMDFDXSPAUSE uint16 = 1 << 5 + LLDPMAUPMDFDXBPAUSE uint16 = 1 << 4 + LLDPMAUPMD1000BaseX uint16 = 1 << 3 + LLDPMAUPMD1000BaseX_FD uint16 = 1 << 2 + LLDPMAUPMD1000BaseT uint16 = 1 << 1 + LLDPMAUPMD1000BaseT_FD uint16 = 1 << 0 +) + +// Inverted ifMauAutoNegCapAdvertisedBits if required +// (Some manufacturers misinterpreted the spec - +// see https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1455) +const ( + LLDPMAUPMDOtherInv uint16 = 1 << 0 + LLDPMAUPMD10BaseTInv uint16 = 1 << 1 + LLDPMAUPMD10BaseT_FDInv uint16 = 1 << 2 + LLDPMAUPMD100BaseT4Inv uint16 = 1 << 3 + LLDPMAUPMD100BaseTXInv uint16 = 1 << 4 + LLDPMAUPMD100BaseTX_FDInv uint16 = 1 << 5 + LLDPMAUPMD100BaseT2Inv uint16 = 1 << 6 + LLDPMAUPMD100BaseT2_FDInv uint16 = 1 << 7 + LLDPMAUPMDFDXPAUSEInv uint16 = 1 << 8 + LLDPMAUPMDFDXAPAUSEInv uint16 = 1 << 9 + LLDPMAUPMDFDXSPAUSEInv uint16 = 1 << 10 + LLDPMAUPMDFDXBPAUSEInv uint16 = 1 << 11 + LLDPMAUPMD1000BaseXInv uint16 = 1 << 12 + LLDPMAUPMD1000BaseX_FDInv uint16 = 1 << 13 + LLDPMAUPMD1000BaseTInv uint16 = 1 << 14 + LLDPMAUPMD1000BaseT_FDInv uint16 = 1 << 15 +) + +type LLDPMACPHYConfigStatus struct { + AutoNegSupported bool + AutoNegEnabled bool + AutoNegCapability uint16 + MAUType uint16 +} + +// MDI Power options +const ( + LLDPMDIPowerPortClass byte = 1 << 0 + LLDPMDIPowerCapability byte = 1 << 1 + LLDPMDIPowerStatus byte = 1 << 2 + LLDPMDIPowerPairsAbility byte = 1 << 3 +) + +type LLDPPowerType byte + +type LLDPPowerSource byte + +type LLDPPowerPriority byte + +const ( + LLDPPowerPriorityUnknown LLDPPowerPriority = 0 + LLDPPowerPriorityMedium LLDPPowerPriority = 1 + LLDPPowerPriorityHigh LLDPPowerPriority = 2 + LLDPPowerPriorityLow LLDPPowerPriority = 3 +) + +type LLDPPowerViaMDI8023 struct { + PortClassPSE bool // false = PD + PSESupported bool + PSEEnabled bool + PSEPairsAbility bool + PSEPowerPair uint8 + PSEClass uint8 + Type LLDPPowerType + Source LLDPPowerSource + Priority LLDPPowerPriority + Requested uint16 // 1-510 Watts + Allocated uint16 // 1-510 Watts +} + +// LLDPInfo8023 represents the information carried in 802.3 Org-specific TLVs +type LLDPInfo8023 struct { + MACPHYConfigStatus LLDPMACPHYConfigStatus + PowerViaMDI LLDPPowerViaMDI8023 + LinkAggregation LLDPLinkAggregation + MTU uint16 +} + +// IEEE 802.1Qbg TLV Subtypes +const ( + LLDP8021QbgEVB uint8 = 0 + LLDP8021QbgCDCP uint8 = 1 + LLDP8021QbgVDP uint8 = 2 + LLDP8021QbgEVB22 uint8 = 13 +) + +// LLDPEVBCapabilities Types +const ( + LLDPEVBCapsSTD uint16 = 1 << 7 + LLDPEVBCapsRR uint16 = 1 << 6 + LLDPEVBCapsRTE uint16 = 1 << 2 + LLDPEVBCapsECP uint16 = 1 << 1 + LLDPEVBCapsVDP uint16 = 1 << 0 +) + +// LLDPEVBCapabilities represents the EVB capabilities of a device +type LLDPEVBCapabilities struct { + StandardBridging bool + ReflectiveRelay bool + RetransmissionTimerExponent bool + EdgeControlProtocol bool + VSIDiscoveryProtocol bool +} + +type LLDPEVBSettings struct { + Supported LLDPEVBCapabilities + Enabled LLDPEVBCapabilities + SupportedVSIs uint16 + ConfiguredVSIs uint16 + RTEExponent uint8 +} + +// LLDPInfo8021Qbg represents the information carried in 802.1Qbg Org-specific TLVs +type LLDPInfo8021Qbg struct { + EVBSettings LLDPEVBSettings +} + +type LLDPMediaSubtype uint8 + +// Media TLV Subtypes +const ( + LLDPMediaTypeCapabilities LLDPMediaSubtype = 1 + LLDPMediaTypeNetwork LLDPMediaSubtype = 2 + LLDPMediaTypeLocation LLDPMediaSubtype = 3 + LLDPMediaTypePower LLDPMediaSubtype = 4 + LLDPMediaTypeHardware LLDPMediaSubtype = 5 + LLDPMediaTypeFirmware LLDPMediaSubtype = 6 + LLDPMediaTypeSoftware LLDPMediaSubtype = 7 + LLDPMediaTypeSerial LLDPMediaSubtype = 8 + LLDPMediaTypeManufacturer LLDPMediaSubtype = 9 + LLDPMediaTypeModel LLDPMediaSubtype = 10 + LLDPMediaTypeAssetID LLDPMediaSubtype = 11 +) + +type LLDPMediaClass uint8 + +// Media Class Values +const ( + LLDPMediaClassUndefined LLDPMediaClass = 0 + LLDPMediaClassEndpointI LLDPMediaClass = 1 + LLDPMediaClassEndpointII LLDPMediaClass = 2 + LLDPMediaClassEndpointIII LLDPMediaClass = 3 + LLDPMediaClassNetwork LLDPMediaClass = 4 +) + +// LLDPMediaCapabilities Types +const ( + LLDPMediaCapsLLDP uint16 = 1 << 0 + LLDPMediaCapsNetwork uint16 = 1 << 1 + LLDPMediaCapsLocation uint16 = 1 << 2 + LLDPMediaCapsPowerPSE uint16 = 1 << 3 + LLDPMediaCapsPowerPD uint16 = 1 << 4 + LLDPMediaCapsInventory uint16 = 1 << 5 +) + +// LLDPMediaCapabilities represents the LLDP Media capabilities of a device +type LLDPMediaCapabilities struct { + Capabilities bool + NetworkPolicy bool + Location bool + PowerPSE bool + PowerPD bool + Inventory bool + Class LLDPMediaClass +} + +type LLDPApplicationType uint8 + +const ( + LLDPAppTypeReserved LLDPApplicationType = 0 + LLDPAppTypeVoice LLDPApplicationType = 1 + LLDPappTypeVoiceSignaling LLDPApplicationType = 2 + LLDPappTypeGuestVoice LLDPApplicationType = 3 + LLDPappTypeGuestVoiceSignaling LLDPApplicationType = 4 + LLDPappTypeSoftphoneVoice LLDPApplicationType = 5 + LLDPappTypeVideoConferencing LLDPApplicationType = 6 + LLDPappTypeStreamingVideo LLDPApplicationType = 7 + LLDPappTypeVideoSignaling LLDPApplicationType = 8 +) + +type LLDPNetworkPolicy struct { + ApplicationType LLDPApplicationType + Defined bool + Tagged bool + VLANId uint16 + L2Priority uint16 + DSCPValue uint8 +} + +type LLDPLocationFormat uint8 + +const ( + LLDPLocationFormatInvalid LLDPLocationFormat = 0 + LLDPLocationFormatCoordinate LLDPLocationFormat = 1 + LLDPLocationFormatAddress LLDPLocationFormat = 2 + LLDPLocationFormatECS LLDPLocationFormat = 3 +) + +type LLDPLocationAddressWhat uint8 + +const ( + LLDPLocationAddressWhatDHCP LLDPLocationAddressWhat = 0 + LLDPLocationAddressWhatNetwork LLDPLocationAddressWhat = 1 + LLDPLocationAddressWhatClient LLDPLocationAddressWhat = 2 +) + +type LLDPLocationAddressType uint8 + +const ( + LLDPLocationAddressTypeLanguage LLDPLocationAddressType = 0 + LLDPLocationAddressTypeNational LLDPLocationAddressType = 1 + LLDPLocationAddressTypeCounty LLDPLocationAddressType = 2 + LLDPLocationAddressTypeCity LLDPLocationAddressType = 3 + LLDPLocationAddressTypeCityDivision LLDPLocationAddressType = 4 + LLDPLocationAddressTypeNeighborhood LLDPLocationAddressType = 5 + LLDPLocationAddressTypeStreet LLDPLocationAddressType = 6 + LLDPLocationAddressTypeLeadingStreet LLDPLocationAddressType = 16 + LLDPLocationAddressTypeTrailingStreet LLDPLocationAddressType = 17 + LLDPLocationAddressTypeStreetSuffix LLDPLocationAddressType = 18 + LLDPLocationAddressTypeHouseNum LLDPLocationAddressType = 19 + LLDPLocationAddressTypeHouseSuffix LLDPLocationAddressType = 20 + LLDPLocationAddressTypeLandmark LLDPLocationAddressType = 21 + LLDPLocationAddressTypeAdditional LLDPLocationAddressType = 22 + LLDPLocationAddressTypeName LLDPLocationAddressType = 23 + LLDPLocationAddressTypePostal LLDPLocationAddressType = 24 + LLDPLocationAddressTypeBuilding LLDPLocationAddressType = 25 + LLDPLocationAddressTypeUnit LLDPLocationAddressType = 26 + LLDPLocationAddressTypeFloor LLDPLocationAddressType = 27 + LLDPLocationAddressTypeRoom LLDPLocationAddressType = 28 + LLDPLocationAddressTypePlace LLDPLocationAddressType = 29 + LLDPLocationAddressTypeScript LLDPLocationAddressType = 128 +) + +type LLDPLocationCoordinate struct { + LatitudeResolution uint8 + Latitude uint64 + LongitudeResolution uint8 + Longitude uint64 + AltitudeType uint8 + AltitudeResolution uint16 + Altitude uint32 + Datum uint8 +} + +type LLDPLocationAddressLine struct { + Type LLDPLocationAddressType + Value string +} + +type LLDPLocationAddress struct { + What LLDPLocationAddressWhat + CountryCode string + AddressLines []LLDPLocationAddressLine +} + +type LLDPLocationECS struct { + ELIN string +} + +// LLDP represents a physical location. +// Only one of the embedded types will contain values, depending on Format. +type LLDPLocation struct { + Format LLDPLocationFormat + Coordinate LLDPLocationCoordinate + Address LLDPLocationAddress + ECS LLDPLocationECS +} + +type LLDPPowerViaMDI struct { + Type LLDPPowerType + Source LLDPPowerSource + Priority LLDPPowerPriority + Value uint16 +} + +// LLDPInfoMedia represents the information carried in TR-41 Org-specific TLVs +type LLDPInfoMedia struct { + MediaCapabilities LLDPMediaCapabilities + NetworkPolicy LLDPNetworkPolicy + Location LLDPLocation + PowerViaMDI LLDPPowerViaMDI + HardwareRevision string + FirmwareRevision string + SoftwareRevision string + SerialNumber string + Manufacturer string + Model string + AssetID string +} + +type LLDPCisco2Subtype uint8 + +// Cisco2 TLV Subtypes +const ( + LLDPCisco2PowerViaMDI LLDPCisco2Subtype = 1 +) + +const ( + LLDPCiscoPSESupport uint8 = 1 << 0 + LLDPCiscoArchShared uint8 = 1 << 1 + LLDPCiscoPDSparePair uint8 = 1 << 2 + LLDPCiscoPSESparePair uint8 = 1 << 3 +) + +// LLDPInfoCisco2 represents the information carried in Cisco Org-specific TLVs +type LLDPInfoCisco2 struct { + PSEFourWirePoESupported bool + PDSparePairArchitectureShared bool + PDRequestSparePairPoEOn bool + PSESparePairPoEOn bool +} + +// Profinet Subtypes +type LLDPProfinetSubtype uint8 + +const ( + LLDPProfinetPNIODelay LLDPProfinetSubtype = 1 + LLDPProfinetPNIOPortStatus LLDPProfinetSubtype = 2 + LLDPProfinetPNIOMRPPortStatus LLDPProfinetSubtype = 4 + LLDPProfinetPNIOChassisMAC LLDPProfinetSubtype = 5 + LLDPProfinetPNIOPTCPStatus LLDPProfinetSubtype = 6 +) + +type LLDPPNIODelay struct { + RXLocal uint32 + RXRemote uint32 + TXLocal uint32 + TXRemote uint32 + CableLocal uint32 +} + +type LLDPPNIOPortStatus struct { + Class2 uint16 + Class3 uint16 +} + +type LLDPPNIOMRPPortStatus struct { + UUID []byte + Status uint16 +} + +type LLDPPNIOPTCPStatus struct { + MasterAddress []byte + SubdomainUUID []byte + IRDataUUID []byte + PeriodValid bool + PeriodLength uint32 + RedPeriodValid bool + RedPeriodBegin uint32 + OrangePeriodValid bool + OrangePeriodBegin uint32 + GreenPeriodValid bool + GreenPeriodBegin uint32 +} + +// LLDPInfoProfinet represents the information carried in Profinet Org-specific TLVs +type LLDPInfoProfinet struct { + PNIODelay LLDPPNIODelay + PNIOPortStatus LLDPPNIOPortStatus + PNIOMRPPortStatus LLDPPNIOMRPPortStatus + ChassisMAC []byte + PNIOPTCPStatus LLDPPNIOPTCPStatus +} + +// LayerType returns gopacket.LayerTypeLinkLayerDiscovery. +func (c *LinkLayerDiscovery) LayerType() gopacket.LayerType { + return LayerTypeLinkLayerDiscovery +} + +func decodeLinkLayerDiscovery(data []byte, p gopacket.PacketBuilder) error { + var vals []LinkLayerDiscoveryValue + vData := data[0:] + for len(vData) > 0 { + nbit := vData[0] & 0x01 + t := LLDPTLVType(vData[0] >> 1) + val := LinkLayerDiscoveryValue{Type: t, Length: uint16(nbit)<<8 + uint16(vData[1])} + if val.Length > 0 { + val.Value = vData[2 : val.Length+2] + } + vals = append(vals, val) + if t == LLDPTLVEnd { + break + } + if len(vData) < int(2+val.Length) { + return errors.New("Malformed LinkLayerDiscovery Header") + } + vData = vData[2+val.Length:] + } + if len(vals) < 4 { + return errors.New("Missing mandatory LinkLayerDiscovery TLV") + } + c := &LinkLayerDiscovery{} + gotEnd := false + for _, v := range vals { + switch v.Type { + case LLDPTLVEnd: + gotEnd = true + case LLDPTLVChassisID: + if len(v.Value) < 2 { + return errors.New("Malformed LinkLayerDiscovery ChassisID TLV") + } + c.ChassisID.Subtype = LLDPChassisIDSubType(v.Value[0]) + c.ChassisID.ID = v.Value[1:] + case LLDPTLVPortID: + if len(v.Value) < 2 { + return errors.New("Malformed LinkLayerDiscovery PortID TLV") + } + c.PortID.Subtype = LLDPPortIDSubType(v.Value[0]) + c.PortID.ID = v.Value[1:] + case LLDPTLVTTL: + if len(v.Value) < 2 { + return errors.New("Malformed LinkLayerDiscovery TTL TLV") + } + c.TTL = binary.BigEndian.Uint16(v.Value[0:2]) + default: + c.Values = append(c.Values, v) + } + } + if c.ChassisID.Subtype == 0 || c.PortID.Subtype == 0 || !gotEnd { + return errors.New("Missing mandatory LinkLayerDiscovery TLV") + } + c.Contents = data + p.AddLayer(c) + + info := &LinkLayerDiscoveryInfo{} + p.AddLayer(info) + for _, v := range c.Values { + switch v.Type { + case LLDPTLVPortDescription: + info.PortDescription = string(v.Value) + case LLDPTLVSysName: + info.SysName = string(v.Value) + case LLDPTLVSysDescription: + info.SysDescription = string(v.Value) + case LLDPTLVSysCapabilities: + if err := checkLLDPTLVLen(v, 4); err != nil { + return err + } + info.SysCapabilities.SystemCap = getCapabilities(binary.BigEndian.Uint16(v.Value[0:2])) + info.SysCapabilities.EnabledCap = getCapabilities(binary.BigEndian.Uint16(v.Value[2:4])) + case LLDPTLVMgmtAddress: + if err := checkLLDPTLVLen(v, 9); err != nil { + return err + } + mlen := v.Value[0] + if err := checkLLDPTLVLen(v, int(mlen+7)); err != nil { + return err + } + info.MgmtAddress.Subtype = IANAAddressFamily(v.Value[1]) + info.MgmtAddress.Address = v.Value[2 : mlen+1] + info.MgmtAddress.InterfaceSubtype = LLDPInterfaceSubtype(v.Value[mlen+1]) + info.MgmtAddress.InterfaceNumber = binary.BigEndian.Uint32(v.Value[mlen+2 : mlen+6]) + olen := v.Value[mlen+6] + if err := checkLLDPTLVLen(v, int(mlen+6+olen)); err != nil { + return err + } + info.MgmtAddress.OID = string(v.Value[mlen+9 : mlen+9+olen]) + case LLDPTLVOrgSpecific: + if err := checkLLDPTLVLen(v, 4); err != nil { + return err + } + info.OrgTLVs = append(info.OrgTLVs, LLDPOrgSpecificTLV{IEEEOUI(binary.BigEndian.Uint32(append([]byte{byte(0)}, v.Value[0:3]...))), uint8(v.Value[3]), v.Value[4:]}) + } + } + return nil +} + +func (l *LinkLayerDiscoveryInfo) Decode8021() (info LLDPInfo8021, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUI8021 { + continue + } + switch o.SubType { + case LLDP8021SubtypePortVLANID: + if err = checkLLDPOrgSpecificLen(o, 2); err != nil { + return + } + info.PVID = binary.BigEndian.Uint16(o.Info[0:2]) + case LLDP8021SubtypeProtocolVLANID: + if err = checkLLDPOrgSpecificLen(o, 3); err != nil { + return + } + sup := (o.Info[0]&LLDPProtocolVLANIDCapability > 0) + en := (o.Info[0]&LLDPProtocolVLANIDStatus > 0) + id := binary.BigEndian.Uint16(o.Info[1:3]) + info.PPVIDs = append(info.PPVIDs, PortProtocolVLANID{sup, en, id}) + case LLDP8021SubtypeVLANName: + if err = checkLLDPOrgSpecificLen(o, 2); err != nil { + return + } + id := binary.BigEndian.Uint16(o.Info[0:2]) + info.VLANNames = append(info.VLANNames, VLANName{id, string(o.Info[3:])}) + case LLDP8021SubtypeProtocolIdentity: + if err = checkLLDPOrgSpecificLen(o, 1); err != nil { + return + } + l := int(o.Info[0]) + if l > 0 { + info.ProtocolIdentities = append(info.ProtocolIdentities, o.Info[1:1+l]) + } + case LLDP8021SubtypeVDIUsageDigest: + if err = checkLLDPOrgSpecificLen(o, 4); err != nil { + return + } + info.VIDUsageDigest = binary.BigEndian.Uint32(o.Info[0:4]) + case LLDP8021SubtypeManagementVID: + if err = checkLLDPOrgSpecificLen(o, 2); err != nil { + return + } + info.ManagementVID = binary.BigEndian.Uint16(o.Info[0:2]) + case LLDP8021SubtypeLinkAggregation: + if err = checkLLDPOrgSpecificLen(o, 5); err != nil { + return + } + sup := (o.Info[0]&LLDPAggregationCapability > 0) + en := (o.Info[0]&LLDPAggregationStatus > 0) + info.LinkAggregation = LLDPLinkAggregation{sup, en, binary.BigEndian.Uint32(o.Info[1:5])} + } + } + return +} + +func (l *LinkLayerDiscoveryInfo) Decode8023() (info LLDPInfo8023, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUI8023 { + continue + } + switch o.SubType { + case LLDP8023SubtypeMACPHY: + if err = checkLLDPOrgSpecificLen(o, 5); err != nil { + return + } + sup := (o.Info[0]&LLDPMACPHYCapability > 0) + en := (o.Info[0]&LLDPMACPHYStatus > 0) + ca := binary.BigEndian.Uint16(o.Info[1:3]) + mau := binary.BigEndian.Uint16(o.Info[3:5]) + info.MACPHYConfigStatus = LLDPMACPHYConfigStatus{sup, en, ca, mau} + case LLDP8023SubtypeMDIPower: + if err = checkLLDPOrgSpecificLen(o, 3); err != nil { + return + } + info.PowerViaMDI.PortClassPSE = (o.Info[0]&LLDPMDIPowerPortClass > 0) + info.PowerViaMDI.PSESupported = (o.Info[0]&LLDPMDIPowerCapability > 0) + info.PowerViaMDI.PSEEnabled = (o.Info[0]&LLDPMDIPowerStatus > 0) + info.PowerViaMDI.PSEPairsAbility = (o.Info[0]&LLDPMDIPowerPairsAbility > 0) + info.PowerViaMDI.PSEPowerPair = uint8(o.Info[1]) + info.PowerViaMDI.PSEClass = uint8(o.Info[2]) + if len(o.Info) >= 7 { + info.PowerViaMDI.Type = LLDPPowerType((o.Info[3] & 0xc0) >> 6) + info.PowerViaMDI.Source = LLDPPowerSource((o.Info[3] & 0x30) >> 4) + if info.PowerViaMDI.Type == 1 || info.PowerViaMDI.Type == 3 { + info.PowerViaMDI.Source += 128 // For Stringify purposes + } + info.PowerViaMDI.Priority = LLDPPowerPriority(o.Info[3] & 0x0f) + info.PowerViaMDI.Requested = binary.BigEndian.Uint16(o.Info[4:6]) + info.PowerViaMDI.Allocated = binary.BigEndian.Uint16(o.Info[6:8]) + } + case LLDP8023SubtypeLinkAggregation: + if err = checkLLDPOrgSpecificLen(o, 5); err != nil { + return + } + sup := (o.Info[0]&LLDPAggregationCapability > 0) + en := (o.Info[0]&LLDPAggregationStatus > 0) + info.LinkAggregation = LLDPLinkAggregation{sup, en, binary.BigEndian.Uint32(o.Info[1:5])} + case LLDP8023SubtypeMTU: + if err = checkLLDPOrgSpecificLen(o, 2); err != nil { + return + } + info.MTU = binary.BigEndian.Uint16(o.Info[0:2]) + } + } + return +} + +func (l *LinkLayerDiscoveryInfo) Decode8021Qbg() (info LLDPInfo8021Qbg, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUI8021Qbg { + continue + } + switch o.SubType { + case LLDP8021QbgEVB: + if err = checkLLDPOrgSpecificLen(o, 9); err != nil { + return + } + info.EVBSettings.Supported = getEVBCapabilities(binary.BigEndian.Uint16(o.Info[0:2])) + info.EVBSettings.Enabled = getEVBCapabilities(binary.BigEndian.Uint16(o.Info[2:4])) + info.EVBSettings.SupportedVSIs = binary.BigEndian.Uint16(o.Info[4:6]) + info.EVBSettings.ConfiguredVSIs = binary.BigEndian.Uint16(o.Info[6:8]) + info.EVBSettings.RTEExponent = uint8(o.Info[8]) + } + } + return +} + +func (l *LinkLayerDiscoveryInfo) DecodeMedia() (info LLDPInfoMedia, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUIMedia { + continue + } + switch LLDPMediaSubtype(o.SubType) { + case LLDPMediaTypeCapabilities: + if err = checkLLDPOrgSpecificLen(o, 3); err != nil { + return + } + b := binary.BigEndian.Uint16(o.Info[0:2]) + info.MediaCapabilities.Capabilities = (b & LLDPMediaCapsLLDP) > 0 + info.MediaCapabilities.NetworkPolicy = (b & LLDPMediaCapsNetwork) > 0 + info.MediaCapabilities.Location = (b & LLDPMediaCapsLocation) > 0 + info.MediaCapabilities.PowerPSE = (b & LLDPMediaCapsPowerPSE) > 0 + info.MediaCapabilities.PowerPD = (b & LLDPMediaCapsPowerPD) > 0 + info.MediaCapabilities.Inventory = (b & LLDPMediaCapsInventory) > 0 + info.MediaCapabilities.Class = LLDPMediaClass(o.Info[2]) + case LLDPMediaTypeNetwork: + if err = checkLLDPOrgSpecificLen(o, 4); err != nil { + return + } + info.NetworkPolicy.ApplicationType = LLDPApplicationType(o.Info[0]) + b := binary.BigEndian.Uint16(o.Info[1:3]) + info.NetworkPolicy.Defined = (b & 0x8000) == 0 + info.NetworkPolicy.Tagged = (b & 0x4000) > 0 + info.NetworkPolicy.VLANId = (b & 0x1ffe) >> 1 + b = binary.BigEndian.Uint16(o.Info[2:4]) + info.NetworkPolicy.L2Priority = (b & 0x01c0) >> 6 + info.NetworkPolicy.DSCPValue = uint8(o.Info[3] & 0x3f) + case LLDPMediaTypeLocation: + if err = checkLLDPOrgSpecificLen(o, 1); err != nil { + return + } + info.Location.Format = LLDPLocationFormat(o.Info[0]) + o.Info = o.Info[1:] + switch info.Location.Format { + case LLDPLocationFormatCoordinate: + if err = checkLLDPOrgSpecificLen(o, 16); err != nil { + return + } + info.Location.Coordinate.LatitudeResolution = uint8(o.Info[0]&0xfc) >> 2 + b := binary.BigEndian.Uint64(o.Info[0:8]) + info.Location.Coordinate.Latitude = (b & 0x03ffffffff000000) >> 24 + info.Location.Coordinate.LongitudeResolution = uint8(o.Info[5]&0xfc) >> 2 + b = binary.BigEndian.Uint64(o.Info[5:13]) + info.Location.Coordinate.Longitude = (b & 0x03ffffffff000000) >> 24 + info.Location.Coordinate.AltitudeType = uint8((o.Info[10] & 0x30) >> 4) + b1 := binary.BigEndian.Uint16(o.Info[10:12]) + info.Location.Coordinate.AltitudeResolution = (b1 & 0xfc0) >> 6 + b2 := binary.BigEndian.Uint32(o.Info[11:15]) + info.Location.Coordinate.Altitude = b2 & 0x3fffffff + info.Location.Coordinate.Datum = uint8(o.Info[15]) + case LLDPLocationFormatAddress: + if err = checkLLDPOrgSpecificLen(o, 3); err != nil { + return + } + //ll := uint8(o.Info[0]) + info.Location.Address.What = LLDPLocationAddressWhat(o.Info[1]) + info.Location.Address.CountryCode = string(o.Info[2:4]) + data := o.Info[4:] + for len(data) > 1 { + aType := LLDPLocationAddressType(data[0]) + aLen := int(data[1]) + if len(data) >= aLen+2 { + info.Location.Address.AddressLines = append(info.Location.Address.AddressLines, LLDPLocationAddressLine{aType, string(data[2 : aLen+2])}) + data = data[aLen+2:] + } else { + break + } + } + case LLDPLocationFormatECS: + info.Location.ECS.ELIN = string(o.Info) + } + case LLDPMediaTypePower: + if err = checkLLDPOrgSpecificLen(o, 3); err != nil { + return + } + info.PowerViaMDI.Type = LLDPPowerType((o.Info[0] & 0xc0) >> 6) + info.PowerViaMDI.Source = LLDPPowerSource((o.Info[0] & 0x30) >> 4) + if info.PowerViaMDI.Type == 1 || info.PowerViaMDI.Type == 3 { + info.PowerViaMDI.Source += 128 // For Stringify purposes + } + info.PowerViaMDI.Priority = LLDPPowerPriority(o.Info[0] & 0x0f) + info.PowerViaMDI.Value = binary.BigEndian.Uint16(o.Info[1:3]) * 100 // 0 to 102.3 w, 0.1W increments + case LLDPMediaTypeHardware: + info.HardwareRevision = string(o.Info) + case LLDPMediaTypeFirmware: + info.FirmwareRevision = string(o.Info) + case LLDPMediaTypeSoftware: + info.SoftwareRevision = string(o.Info) + case LLDPMediaTypeSerial: + info.SerialNumber = string(o.Info) + case LLDPMediaTypeManufacturer: + info.Manufacturer = string(o.Info) + case LLDPMediaTypeModel: + info.Model = string(o.Info) + case LLDPMediaTypeAssetID: + info.AssetID = string(o.Info) + } + } + return +} + +func (l *LinkLayerDiscoveryInfo) DecodeCisco2() (info LLDPInfoCisco2, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUICisco2 { + continue + } + switch LLDPCisco2Subtype(o.SubType) { + case LLDPCisco2PowerViaMDI: + if err = checkLLDPOrgSpecificLen(o, 1); err != nil { + return + } + info.PSEFourWirePoESupported = (o.Info[0] & LLDPCiscoPSESupport) > 0 + info.PDSparePairArchitectureShared = (o.Info[0] & LLDPCiscoArchShared) > 0 + info.PDRequestSparePairPoEOn = (o.Info[0] & LLDPCiscoPDSparePair) > 0 + info.PSESparePairPoEOn = (o.Info[0] & LLDPCiscoPSESparePair) > 0 + } + } + return +} + +func (l *LinkLayerDiscoveryInfo) DecodeProfinet() (info LLDPInfoProfinet, err error) { + for _, o := range l.OrgTLVs { + if o.OUI != IEEEOUIProfinet { + continue + } + switch LLDPProfinetSubtype(o.SubType) { + case LLDPProfinetPNIODelay: + if err = checkLLDPOrgSpecificLen(o, 20); err != nil { + return + } + info.PNIODelay.RXLocal = binary.BigEndian.Uint32(o.Info[0:4]) + info.PNIODelay.RXRemote = binary.BigEndian.Uint32(o.Info[4:8]) + info.PNIODelay.TXLocal = binary.BigEndian.Uint32(o.Info[8:12]) + info.PNIODelay.TXRemote = binary.BigEndian.Uint32(o.Info[12:16]) + info.PNIODelay.CableLocal = binary.BigEndian.Uint32(o.Info[16:20]) + case LLDPProfinetPNIOPortStatus: + if err = checkLLDPOrgSpecificLen(o, 4); err != nil { + return + } + info.PNIOPortStatus.Class2 = binary.BigEndian.Uint16(o.Info[0:2]) + info.PNIOPortStatus.Class3 = binary.BigEndian.Uint16(o.Info[2:4]) + case LLDPProfinetPNIOMRPPortStatus: + if err = checkLLDPOrgSpecificLen(o, 18); err != nil { + return + } + info.PNIOMRPPortStatus.UUID = o.Info[0:16] + info.PNIOMRPPortStatus.Status = binary.BigEndian.Uint16(o.Info[16:18]) + case LLDPProfinetPNIOChassisMAC: + if err = checkLLDPOrgSpecificLen(o, 6); err != nil { + return + } + info.ChassisMAC = o.Info[0:6] + case LLDPProfinetPNIOPTCPStatus: + if err = checkLLDPOrgSpecificLen(o, 54); err != nil { + return + } + info.PNIOPTCPStatus.MasterAddress = o.Info[0:6] + info.PNIOPTCPStatus.SubdomainUUID = o.Info[6:22] + info.PNIOPTCPStatus.IRDataUUID = o.Info[22:38] + b := binary.BigEndian.Uint32(o.Info[38:42]) + info.PNIOPTCPStatus.PeriodValid = (b & 0x80000000) > 0 + info.PNIOPTCPStatus.PeriodLength = b & 0x7fffffff + b = binary.BigEndian.Uint32(o.Info[42:46]) + info.PNIOPTCPStatus.RedPeriodValid = (b & 0x80000000) > 0 + info.PNIOPTCPStatus.RedPeriodBegin = b & 0x7fffffff + b = binary.BigEndian.Uint32(o.Info[46:50]) + info.PNIOPTCPStatus.OrangePeriodValid = (b & 0x80000000) > 0 + info.PNIOPTCPStatus.OrangePeriodBegin = b & 0x7fffffff + b = binary.BigEndian.Uint32(o.Info[50:54]) + info.PNIOPTCPStatus.GreenPeriodValid = (b & 0x80000000) > 0 + info.PNIOPTCPStatus.GreenPeriodBegin = b & 0x7fffffff + } + } + return +} + +// LayerType returns gopacket.LayerTypeLinkLayerDiscoveryInfo. +func (c *LinkLayerDiscoveryInfo) LayerType() gopacket.LayerType { + return LayerTypeLinkLayerDiscoveryInfo +} + +func getCapabilities(v uint16) (c LLDPCapabilities) { + c.Other = (v&LLDPCapsOther > 0) + c.Repeater = (v&LLDPCapsRepeater > 0) + c.Bridge = (v&LLDPCapsBridge > 0) + c.WLANAP = (v&LLDPCapsWLANAP > 0) + c.Router = (v&LLDPCapsRouter > 0) + c.Phone = (v&LLDPCapsPhone > 0) + c.DocSis = (v&LLDPCapsDocSis > 0) + c.StationOnly = (v&LLDPCapsStationOnly > 0) + c.CVLAN = (v&LLDPCapsCVLAN > 0) + c.SVLAN = (v&LLDPCapsSVLAN > 0) + c.TMPR = (v&LLDPCapsTmpr > 0) + return +} + +func getEVBCapabilities(v uint16) (c LLDPEVBCapabilities) { + c.StandardBridging = (v & LLDPEVBCapsSTD) > 0 + c.StandardBridging = (v & LLDPEVBCapsSTD) > 0 + c.ReflectiveRelay = (v & LLDPEVBCapsRR) > 0 + c.RetransmissionTimerExponent = (v & LLDPEVBCapsRTE) > 0 + c.EdgeControlProtocol = (v & LLDPEVBCapsECP) > 0 + c.VSIDiscoveryProtocol = (v & LLDPEVBCapsVDP) > 0 + return +} + +func (t LLDPTLVType) String() (s string) { + switch t { + case LLDPTLVEnd: + s = "TLV End" + case LLDPTLVChassisID: + s = "Chassis ID" + case LLDPTLVPortID: + s = "Port ID" + case LLDPTLVTTL: + s = "TTL" + case LLDPTLVPortDescription: + s = "Port Description" + case LLDPTLVSysName: + s = "System Name" + case LLDPTLVSysDescription: + s = "System Description" + case LLDPTLVSysCapabilities: + s = "System Capabilities" + case LLDPTLVMgmtAddress: + s = "Management Address" + case LLDPTLVOrgSpecific: + s = "Organisation Specific" + default: + s = "Unknown" + } + return +} + +func (t LLDPChassisIDSubType) String() (s string) { + switch t { + case LLDPChassisIDSubTypeReserved: + s = "Reserved" + case LLDPChassisIDSubTypeChassisComp: + s = "Chassis Component" + case LLDPChassisIDSubtypeIfaceAlias: + s = "Interface Alias" + case LLDPChassisIDSubTypePortComp: + s = "Port Component" + case LLDPChassisIDSubTypeMACAddr: + s = "MAC Address" + case LLDPChassisIDSubTypeNetworkAddr: + s = "Network Address" + case LLDPChassisIDSubtypeIfaceName: + s = "Interface Name" + case LLDPChassisIDSubTypeLocal: + s = "Local" + default: + s = "Unknown" + } + return +} + +func (t LLDPPortIDSubType) String() (s string) { + switch t { + case LLDPPortIDSubtypeReserved: + s = "Reserved" + case LLDPPortIDSubtypeIfaceAlias: + s = "Interface Alias" + case LLDPPortIDSubtypePortComp: + s = "Port Component" + case LLDPPortIDSubtypeMACAddr: + s = "MAC Address" + case LLDPPortIDSubtypeNetworkAddr: + s = "Network Address" + case LLDPPortIDSubtypeIfaceName: + s = "Interface Name" + case LLDPPortIDSubtypeAgentCircuitID: + s = "Agent Circuit ID" + case LLDPPortIDSubtypeLocal: + s = "Local" + default: + s = "Unknown" + } + return +} + +func (t IANAAddressFamily) String() (s string) { + switch t { + case IANAAddressFamilyReserved: + s = "Reserved" + case IANAAddressFamilyIPV4: + s = "IPv4" + case IANAAddressFamilyIPV6: + s = "IPv6" + case IANAAddressFamilyNSAP: + s = "NSAP" + case IANAAddressFamilyHDLC: + s = "HDLC" + case IANAAddressFamilyBBN1822: + s = "BBN 1822" + case IANAAddressFamily802: + s = "802 media plus Ethernet 'canonical format'" + case IANAAddressFamilyE163: + s = "E.163" + case IANAAddressFamilyE164: + s = "E.164 (SMDS, Frame Relay, ATM)" + case IANAAddressFamilyF69: + s = "F.69 (Telex)" + case IANAAddressFamilyX121: + s = "X.121, X.25, Frame Relay" + case IANAAddressFamilyIPX: + s = "IPX" + case IANAAddressFamilyAtalk: + s = "Appletalk" + case IANAAddressFamilyDecnet: + s = "Decnet IV" + case IANAAddressFamilyBanyan: + s = "Banyan Vines" + case IANAAddressFamilyE164NSAP: + s = "E.164 with NSAP format subaddress" + case IANAAddressFamilyDNS: + s = "DNS" + case IANAAddressFamilyDistname: + s = "Distinguished Name" + case IANAAddressFamilyASNumber: + s = "AS Number" + case IANAAddressFamilyXTPIPV4: + s = "XTP over IP version 4" + case IANAAddressFamilyXTPIPV6: + s = "XTP over IP version 6" + case IANAAddressFamilyXTP: + s = "XTP native mode XTP" + case IANAAddressFamilyFcWWPN: + s = "Fibre Channel World-Wide Port Name" + case IANAAddressFamilyFcWWNN: + s = "Fibre Channel World-Wide Node Name" + case IANAAddressFamilyGWID: + s = "GWID" + case IANAAddressFamilyL2VPN: + s = "AFI for Layer 2 VPN" + default: + s = "Unknown" + } + return +} + +func (t LLDPInterfaceSubtype) String() (s string) { + switch t { + case LLDPInterfaceSubtypeUnknown: + s = "Unknown" + case LLDPInterfaceSubtypeifIndex: + s = "IfIndex" + case LLDPInterfaceSubtypeSysPort: + s = "System Port Number" + default: + s = "Unknown" + } + return +} + +func (t LLDPPowerType) String() (s string) { + switch t { + case 0: + s = "Type 2 PSE Device" + case 1: + s = "Type 2 PD Device" + case 2: + s = "Type 1 PSE Device" + case 3: + s = "Type 1 PD Device" + default: + s = "Unknown" + } + return +} + +func (t LLDPPowerSource) String() (s string) { + switch t { + // PD Device + case 0: + s = "Unknown" + case 1: + s = "PSE" + case 2: + s = "Local" + case 3: + s = "PSE and Local" + // PSE Device (Actual value + 128) + case 128: + s = "Unknown" + case 129: + s = "Primary Power Source" + case 130: + s = "Backup Power Source" + default: + s = "Unknown" + } + return +} + +func (t LLDPPowerPriority) String() (s string) { + switch t { + case 0: + s = "Unknown" + case 1: + s = "Critical" + case 2: + s = "High" + case 3: + s = "Low" + default: + s = "Unknown" + } + return +} + +func (t LLDPMediaSubtype) String() (s string) { + switch t { + case LLDPMediaTypeCapabilities: + s = "Media Capabilities " + case LLDPMediaTypeNetwork: + s = "Network Policy" + case LLDPMediaTypeLocation: + s = "Location Identification" + case LLDPMediaTypePower: + s = "Extended Power-via-MDI" + case LLDPMediaTypeHardware: + s = "Hardware Revision" + case LLDPMediaTypeFirmware: + s = "Firmware Revision" + case LLDPMediaTypeSoftware: + s = "Software Revision" + case LLDPMediaTypeSerial: + s = "Serial Number" + case LLDPMediaTypeManufacturer: + s = "Manufacturer" + case LLDPMediaTypeModel: + s = "Model" + case LLDPMediaTypeAssetID: + s = "Asset ID" + default: + s = "Unknown" + } + return +} + +func (t LLDPMediaClass) String() (s string) { + switch t { + case LLDPMediaClassUndefined: + s = "Undefined" + case LLDPMediaClassEndpointI: + s = "Endpoint Class I" + case LLDPMediaClassEndpointII: + s = "Endpoint Class II" + case LLDPMediaClassEndpointIII: + s = "Endpoint Class III" + case LLDPMediaClassNetwork: + s = "Network connectivity " + default: + s = "Unknown" + } + return +} + +func (t LLDPApplicationType) String() (s string) { + switch t { + case LLDPAppTypeReserved: + s = "Reserved" + case LLDPAppTypeVoice: + s = "Voice" + case LLDPappTypeVoiceSignaling: + s = "Voice Signaling" + case LLDPappTypeGuestVoice: + s = "Guest Voice" + case LLDPappTypeGuestVoiceSignaling: + s = "Guest Voice Signaling" + case LLDPappTypeSoftphoneVoice: + s = "Softphone Voice" + case LLDPappTypeVideoConferencing: + s = "Video Conferencing" + case LLDPappTypeStreamingVideo: + s = "Streaming Video" + case LLDPappTypeVideoSignaling: + s = "Video Signaling" + default: + s = "Unknown" + } + return +} + +func (t LLDPLocationFormat) String() (s string) { + switch t { + case LLDPLocationFormatInvalid: + s = "Invalid" + case LLDPLocationFormatCoordinate: + s = "Coordinate-based LCI" + case LLDPLocationFormatAddress: + s = "Address-based LCO" + case LLDPLocationFormatECS: + s = "ECS ELIN" + default: + s = "Unknown" + } + return +} + +func (t LLDPLocationAddressType) String() (s string) { + switch t { + case LLDPLocationAddressTypeLanguage: + s = "Language" + case LLDPLocationAddressTypeNational: + s = "National subdivisions (province, state, etc)" + case LLDPLocationAddressTypeCounty: + s = "County, parish, district" + case LLDPLocationAddressTypeCity: + s = "City, township" + case LLDPLocationAddressTypeCityDivision: + s = "City division, borough, ward" + case LLDPLocationAddressTypeNeighborhood: + s = "Neighborhood, block" + case LLDPLocationAddressTypeStreet: + s = "Street" + case LLDPLocationAddressTypeLeadingStreet: + s = "Leading street direction" + case LLDPLocationAddressTypeTrailingStreet: + s = "Trailing street suffix" + case LLDPLocationAddressTypeStreetSuffix: + s = "Street suffix" + case LLDPLocationAddressTypeHouseNum: + s = "House number" + case LLDPLocationAddressTypeHouseSuffix: + s = "House number suffix" + case LLDPLocationAddressTypeLandmark: + s = "Landmark or vanity address" + case LLDPLocationAddressTypeAdditional: + s = "Additional location information" + case LLDPLocationAddressTypeName: + s = "Name" + case LLDPLocationAddressTypePostal: + s = "Postal/ZIP code" + case LLDPLocationAddressTypeBuilding: + s = "Building" + case LLDPLocationAddressTypeUnit: + s = "Unit" + case LLDPLocationAddressTypeFloor: + s = "Floor" + case LLDPLocationAddressTypeRoom: + s = "Room number" + case LLDPLocationAddressTypePlace: + s = "Place type" + case LLDPLocationAddressTypeScript: + s = "Script" + default: + s = "Unknown" + } + return +} + +func checkLLDPTLVLen(v LinkLayerDiscoveryValue, l int) (err error) { + if len(v.Value) < l { + err = fmt.Errorf("Invalid TLV %v length %d (wanted mimimum %v", v.Type, len(v.Value), l) + } + return +} + +func checkLLDPOrgSpecificLen(o LLDPOrgSpecificTLV, l int) (err error) { + if len(o.Info) < l { + err = fmt.Errorf("Invalid Org Specific TLV %v length %d (wanted minimum %v)", o.SubType, len(o.Info), l) + } + return +} |