// Copyright 2012 Google, Inc. All rights reserved. // Copyright 2009-2011 Andreas Krennmair. 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 ( "errors" "fmt" "github.com/google/gopacket" ) // EnumMetadata keeps track of a set of metadata for each enumeration value // for protocol enumerations. type EnumMetadata struct { // DecodeWith is the decoder to use to decode this protocol's data. DecodeWith gopacket.Decoder // Name is the name of the enumeration value. Name string // LayerType is the layer type implied by the given enum. LayerType gopacket.LayerType } // errorFunc returns a decoder that spits out a specific error message. func errorFunc(msg string) gopacket.Decoder { var e = errors.New(msg) return gopacket.DecodeFunc(func([]byte, gopacket.PacketBuilder) error { return e }) } // EthernetType is an enumeration of ethernet type values, and acts as a decoder // for any type it supports. type EthernetType uint16 const ( // EthernetTypeLLC is not an actual ethernet type. It is instead a // placeholder we use in Ethernet frames that use the 802.3 standard of // srcmac|dstmac|length|LLC instead of srcmac|dstmac|ethertype. EthernetTypeLLC EthernetType = 0 EthernetTypeIPv4 EthernetType = 0x0800 EthernetTypeARP EthernetType = 0x0806 EthernetTypeIPv6 EthernetType = 0x86DD EthernetTypeCiscoDiscovery EthernetType = 0x2000 EthernetTypeNortelDiscovery EthernetType = 0x01a2 EthernetTypeTransparentEthernetBridging EthernetType = 0x6558 EthernetTypeDot1Q EthernetType = 0x8100 EthernetTypePPPoEDiscovery EthernetType = 0x8863 EthernetTypePPPoESession EthernetType = 0x8864 EthernetTypeMPLSUnicast EthernetType = 0x8847 EthernetTypeMPLSMulticast EthernetType = 0x8848 EthernetTypeEAPOL EthernetType = 0x888e EthernetTypeQinQ EthernetType = 0x88a8 EthernetTypeLinkLayerDiscovery EthernetType = 0x88cc EthernetTypeEthernetCTP EthernetType = 0x9000 ) // IPProtocol is an enumeration of IP protocol values, and acts as a decoder // for any type it supports. type IPProtocol uint8 const ( IPProtocolIPv6HopByHop IPProtocol = 0 IPProtocolICMPv4 IPProtocol = 1 IPProtocolIGMP IPProtocol = 2 IPProtocolIPv4 IPProtocol = 4 IPProtocolTCP IPProtocol = 6 IPProtocolUDP IPProtocol = 17 IPProtocolRUDP IPProtocol = 27 IPProtocolIPv6 IPProtocol = 41 IPProtocolIPv6Routing IPProtocol = 43 IPProtocolIPv6Fragment IPProtocol = 44 IPProtocolGRE IPProtocol = 47 IPProtocolESP IPProtocol = 50 IPProtocolAH IPProtocol = 51 IPProtocolICMPv6 IPProtocol = 58 IPProtocolNoNextHeader IPProtocol = 59 IPProtocolIPv6Destination IPProtocol = 60 IPProtocolOSPF IPProtocol = 89 IPProtocolIPIP IPProtocol = 94 IPProtocolEtherIP IPProtocol = 97 IPProtocolVRRP IPProtocol = 112 IPProtocolSCTP IPProtocol = 132 IPProtocolUDPLite IPProtocol = 136 IPProtocolMPLSInIP IPProtocol = 137 ) // LinkType is an enumeration of link types, and acts as a decoder for any // link type it supports. type LinkType uint8 const ( // According to pcap-linktype(7) and http://www.tcpdump.org/linktypes.html LinkTypeNull LinkType = 0 LinkTypeEthernet LinkType = 1 LinkTypeAX25 LinkType = 3 LinkTypeTokenRing LinkType = 6 LinkTypeArcNet LinkType = 7 LinkTypeSLIP LinkType = 8 LinkTypePPP LinkType = 9 LinkTypeFDDI LinkType = 10 LinkTypePPP_HDLC LinkType = 50 LinkTypePPPEthernet LinkType = 51 LinkTypeATM_RFC1483 LinkType = 100 LinkTypeRaw LinkType = 101 LinkTypeC_HDLC LinkType = 104 LinkTypeIEEE802_11 LinkType = 105 LinkTypeFRelay LinkType = 107 LinkTypeLoop LinkType = 108 LinkTypeLinuxSLL LinkType = 113 LinkTypeLTalk LinkType = 114 LinkTypePFLog LinkType = 117 LinkTypePrismHeader LinkType = 119 LinkTypeIPOverFC LinkType = 122 LinkTypeSunATM LinkType = 123 LinkTypeIEEE80211Radio LinkType = 127 LinkTypeARCNetLinux LinkType = 129 LinkTypeIPOver1394 LinkType = 138 LinkTypeMTP2Phdr LinkType = 139 LinkTypeMTP2 LinkType = 140 LinkTypeMTP3 LinkType = 141 LinkTypeSCCP LinkType = 142 LinkTypeDOCSIS LinkType = 143 LinkTypeLinuxIRDA LinkType = 144 LinkTypeLinuxLAPD LinkType = 177 LinkTypeLinuxUSB LinkType = 220 LinkTypeIPv4 LinkType = 228 LinkTypeIPv6 LinkType = 229 ) // PPPoECode is the PPPoE code enum, taken from http://tools.ietf.org/html/rfc2516 type PPPoECode uint8 const ( PPPoECodePADI PPPoECode = 0x09 PPPoECodePADO PPPoECode = 0x07 PPPoECodePADR PPPoECode = 0x19 PPPoECodePADS PPPoECode = 0x65 PPPoECodePADT PPPoECode = 0xA7 PPPoECodeSession PPPoECode = 0x00 ) // PPPType is an enumeration of PPP type values, and acts as a decoder for any // type it supports. type PPPType uint16 const ( PPPTypeIPv4 PPPType = 0x0021 PPPTypeIPv6 PPPType = 0x0057 PPPTypeMPLSUnicast PPPType = 0x0281 PPPTypeMPLSMulticast PPPType = 0x0283 ) // SCTPChunkType is an enumeration of chunk types inside SCTP packets. type SCTPChunkType uint8 const ( SCTPChunkTypeData SCTPChunkType = 0 SCTPChunkTypeInit SCTPChunkType = 1 SCTPChunkTypeInitAck SCTPChunkType = 2 SCTPChunkTypeSack SCTPChunkType = 3 SCTPChunkTypeHeartbeat SCTPChunkType = 4 SCTPChunkTypeHeartbeatAck SCTPChunkType = 5 SCTPChunkTypeAbort SCTPChunkType = 6 SCTPChunkTypeShutdown SCTPChunkType = 7 SCTPChunkTypeShutdownAck SCTPChunkType = 8 SCTPChunkTypeError SCTPChunkType = 9 SCTPChunkTypeCookieEcho SCTPChunkType = 10 SCTPChunkTypeCookieAck SCTPChunkType = 11 SCTPChunkTypeShutdownComplete SCTPChunkType = 14 ) // FDDIFrameControl is an enumeration of FDDI frame control bytes. type FDDIFrameControl uint8 const ( FDDIFrameControlLLC FDDIFrameControl = 0x50 ) // EAPOLType is an enumeration of EAPOL packet types. type EAPOLType uint8 const ( EAPOLTypeEAP EAPOLType = 0 EAPOLTypeStart EAPOLType = 1 EAPOLTypeLogOff EAPOLType = 2 EAPOLTypeKey EAPOLType = 3 EAPOLTypeASFAlert EAPOLType = 4 ) // ProtocolFamily is the set of values defined as PF_* in sys/socket.h type ProtocolFamily uint8 const ( ProtocolFamilyIPv4 ProtocolFamily = 2 // BSDs use different values for INET6... glory be. These values taken from // tcpdump 4.3.0. ProtocolFamilyIPv6BSD ProtocolFamily = 24 ProtocolFamilyIPv6FreeBSD ProtocolFamily = 28 ProtocolFamilyIPv6Darwin ProtocolFamily = 30 ProtocolFamilyIPv6Linux ProtocolFamily = 10 ) // Dot11Type is a combination of IEEE 802.11 frame's Type and Subtype fields. // By combining these two fields together into a single type, we're able to // provide a String function that correctly displays the subtype given the // top-level type. // // If you just care about the top-level type, use the MainType function. type Dot11Type uint8 // MainType strips the subtype information from the given type, // returning just the overarching type (Mgmt, Ctrl, Data, Reserved). func (d Dot11Type) MainType() Dot11Type { return d & dot11TypeMask } const ( Dot11TypeMgmt Dot11Type = 0x00 Dot11TypeCtrl Dot11Type = 0x01 Dot11TypeData Dot11Type = 0x02 Dot11TypeReserved Dot11Type = 0x03 dot11TypeMask = 0x03 // The following are type/subtype conglomerations. // Management Dot11TypeMgmtAssociationReq Dot11Type = 0x00 Dot11TypeMgmtAssociationResp Dot11Type = 0x04 Dot11TypeMgmtReassociationReq Dot11Type = 0x08 Dot11TypeMgmtReassociationResp Dot11Type = 0x0c Dot11TypeMgmtProbeReq Dot11Type = 0x10 Dot11TypeMgmtProbeResp Dot11Type = 0x14 Dot11TypeMgmtMeasurementPilot Dot11Type = 0x18 Dot11TypeMgmtBeacon Dot11Type = 0x20 Dot11TypeMgmtATIM Dot11Type = 0x24 Dot11TypeMgmtDisassociation Dot11Type = 0x28 Dot11TypeMgmtAuthentication Dot11Type = 0x2c Dot11TypeMgmtDeauthentication Dot11Type = 0x30 Dot11TypeMgmtAction Dot11Type = 0x34 Dot11TypeMgmtActionNoAck Dot11Type = 0x38 // Control Dot11TypeCtrlWrapper Dot11Type = 0x1d Dot11TypeCtrlBlockAckReq Dot11Type = 0x21 Dot11TypeCtrlBlockAck Dot11Type = 0x25 Dot11TypeCtrlPowersavePoll Dot11Type = 0x29 Dot11TypeCtrlRTS Dot11Type = 0x2d Dot11TypeCtrlCTS Dot11Type = 0x31 Dot11TypeCtrlAck Dot11Type = 0x35 Dot11TypeCtrlCFEnd Dot11Type = 0x39 Dot11TypeCtrlCFEndAck Dot11Type = 0x3d // Data Dot11TypeDataCFAck Dot11Type = 0x06 Dot11TypeDataCFPoll Dot11Type = 0x0a Dot11TypeDataCFAckPoll Dot11Type = 0x0e Dot11TypeDataNull Dot11Type = 0x12 Dot11TypeDataCFAckNoData Dot11Type = 0x16 Dot11TypeDataCFPollNoData Dot11Type = 0x1a Dot11TypeDataCFAckPollNoData Dot11Type = 0x1e Dot11TypeDataQOSData Dot11Type = 0x22 Dot11TypeDataQOSDataCFAck Dot11Type = 0x26 Dot11TypeDataQOSDataCFPoll Dot11Type = 0x2a Dot11TypeDataQOSDataCFAckPoll Dot11Type = 0x2e Dot11TypeDataQOSNull Dot11Type = 0x32 Dot11TypeDataQOSCFPollNoData Dot11Type = 0x3a Dot11TypeDataQOSCFAckPollNoData Dot11Type = 0x3e ) // Decode a raw v4 or v6 IP packet. func decodeIPv4or6(data []byte, p gopacket.PacketBuilder) error { version := data[0] >> 4 switch version { case 4: return decodeIPv4(data, p) case 6: return decodeIPv6(data, p) } return fmt.Errorf("Invalid IP packet version %v", version) } func initActualTypeData() { // Each of the XXXTypeMetadata arrays contains mappings of how to handle enum // values for various enum types in gopacket/layers. // These arrays are actually created by gen2.go and stored in // enums_generated.go. // // So, EthernetTypeMetadata[2] contains information on how to handle EthernetType // 2, including which name to give it and which decoder to use to decode // packet data of that type. These arrays are filled by default with all of the // protocols gopacket/layers knows how to handle, but users of the library can // add new decoders or override existing ones. For example, if you write a better // TCP decoder, you can override IPProtocolMetadata[IPProtocolTCP].DecodeWith // with your new decoder, and all gopacket/layers decoding will use your new // decoder whenever they encounter that IPProtocol. // Here we link up all enumerations with their respective names and decoders. EthernetTypeMetadata[EthernetTypeLLC] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLLC), Name: "LLC", LayerType: LayerTypeLLC} EthernetTypeMetadata[EthernetTypeIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4} EthernetTypeMetadata[EthernetTypeIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} EthernetTypeMetadata[EthernetTypeARP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeARP), Name: "ARP", LayerType: LayerTypeARP} EthernetTypeMetadata[EthernetTypeDot1Q] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot1Q), Name: "Dot1Q", LayerType: LayerTypeDot1Q} EthernetTypeMetadata[EthernetTypePPPoEDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPPoE), Name: "PPPoEDiscovery", LayerType: LayerTypePPPoE} EthernetTypeMetadata[EthernetTypePPPoESession] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPPoE), Name: "PPPoESession", LayerType: LayerTypePPPoE} EthernetTypeMetadata[EthernetTypeEthernetCTP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernetCTP), Name: "EthernetCTP", LayerType: LayerTypeEthernetCTP} EthernetTypeMetadata[EthernetTypeCiscoDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeCiscoDiscovery), Name: "CiscoDiscovery", LayerType: LayerTypeCiscoDiscovery} EthernetTypeMetadata[EthernetTypeNortelDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeNortelDiscovery), Name: "NortelDiscovery", LayerType: LayerTypeNortelDiscovery} EthernetTypeMetadata[EthernetTypeLinkLayerDiscovery] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLinkLayerDiscovery), Name: "LinkLayerDiscovery", LayerType: LayerTypeLinkLayerDiscovery} EthernetTypeMetadata[EthernetTypeMPLSUnicast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSUnicast", LayerType: LayerTypeMPLS} EthernetTypeMetadata[EthernetTypeMPLSMulticast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSMulticast", LayerType: LayerTypeMPLS} EthernetTypeMetadata[EthernetTypeEAPOL] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEAPOL), Name: "EAPOL", LayerType: LayerTypeEAPOL} EthernetTypeMetadata[EthernetTypeQinQ] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot1Q), Name: "Dot1Q", LayerType: LayerTypeDot1Q} EthernetTypeMetadata[EthernetTypeTransparentEthernetBridging] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernet), Name: "TransparentEthernetBridging", LayerType: LayerTypeEthernet} IPProtocolMetadata[IPProtocolIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4} IPProtocolMetadata[IPProtocolTCP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeTCP), Name: "TCP", LayerType: LayerTypeTCP} IPProtocolMetadata[IPProtocolUDP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUDP), Name: "UDP", LayerType: LayerTypeUDP} IPProtocolMetadata[IPProtocolICMPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeICMPv4), Name: "ICMPv4", LayerType: LayerTypeICMPv4} IPProtocolMetadata[IPProtocolICMPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeICMPv6), Name: "ICMPv6", LayerType: LayerTypeICMPv6} IPProtocolMetadata[IPProtocolSCTP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTP), Name: "SCTP", LayerType: LayerTypeSCTP} IPProtocolMetadata[IPProtocolIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} IPProtocolMetadata[IPProtocolIPIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4} IPProtocolMetadata[IPProtocolEtherIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEtherIP), Name: "EtherIP", LayerType: LayerTypeEtherIP} IPProtocolMetadata[IPProtocolRUDP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeRUDP), Name: "RUDP", LayerType: LayerTypeRUDP} IPProtocolMetadata[IPProtocolGRE] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeGRE), Name: "GRE", LayerType: LayerTypeGRE} IPProtocolMetadata[IPProtocolIPv6HopByHop] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6HopByHop), Name: "IPv6HopByHop", LayerType: LayerTypeIPv6HopByHop} IPProtocolMetadata[IPProtocolIPv6Routing] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Routing), Name: "IPv6Routing", LayerType: LayerTypeIPv6Routing} IPProtocolMetadata[IPProtocolIPv6Fragment] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Fragment), Name: "IPv6Fragment", LayerType: LayerTypeIPv6Fragment} IPProtocolMetadata[IPProtocolIPv6Destination] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6Destination), Name: "IPv6Destination", LayerType: LayerTypeIPv6Destination} IPProtocolMetadata[IPProtocolOSPF] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeOSPF), Name: "OSPF", LayerType: LayerTypeOSPF} IPProtocolMetadata[IPProtocolAH] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPSecAH), Name: "IPSecAH", LayerType: LayerTypeIPSecAH} IPProtocolMetadata[IPProtocolESP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPSecESP), Name: "IPSecESP", LayerType: LayerTypeIPSecESP} IPProtocolMetadata[IPProtocolUDPLite] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUDPLite), Name: "UDPLite", LayerType: LayerTypeUDPLite} IPProtocolMetadata[IPProtocolMPLSInIP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLS", LayerType: LayerTypeMPLS} IPProtocolMetadata[IPProtocolNoNextHeader] = EnumMetadata{DecodeWith: gopacket.DecodePayload, Name: "NoNextHeader", LayerType: gopacket.LayerTypePayload} IPProtocolMetadata[IPProtocolIGMP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIGMP), Name: "IGMP", LayerType: LayerTypeIGMP} IPProtocolMetadata[IPProtocolVRRP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeVRRP), Name: "VRRP", LayerType: LayerTypeVRRP} SCTPChunkTypeMetadata[SCTPChunkTypeData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPData), Name: "Data"} SCTPChunkTypeMetadata[SCTPChunkTypeInit] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPInit), Name: "Init"} SCTPChunkTypeMetadata[SCTPChunkTypeInitAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPInit), Name: "InitAck"} SCTPChunkTypeMetadata[SCTPChunkTypeSack] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPSack), Name: "Sack"} SCTPChunkTypeMetadata[SCTPChunkTypeHeartbeat] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPHeartbeat), Name: "Heartbeat"} SCTPChunkTypeMetadata[SCTPChunkTypeHeartbeatAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPHeartbeat), Name: "HeartbeatAck"} SCTPChunkTypeMetadata[SCTPChunkTypeAbort] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPError), Name: "Abort"} SCTPChunkTypeMetadata[SCTPChunkTypeError] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPError), Name: "Error"} SCTPChunkTypeMetadata[SCTPChunkTypeShutdown] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPShutdown), Name: "Shutdown"} SCTPChunkTypeMetadata[SCTPChunkTypeShutdownAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPShutdownAck), Name: "ShutdownAck"} SCTPChunkTypeMetadata[SCTPChunkTypeCookieEcho] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPCookieEcho), Name: "CookieEcho"} SCTPChunkTypeMetadata[SCTPChunkTypeCookieAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPEmptyLayer), Name: "CookieAck"} SCTPChunkTypeMetadata[SCTPChunkTypeShutdownComplete] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeSCTPEmptyLayer), Name: "ShutdownComplete"} PPPTypeMetadata[PPPTypeIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4"} PPPTypeMetadata[PPPTypeIPv6] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6"} PPPTypeMetadata[PPPTypeMPLSUnicast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSUnicast"} PPPTypeMetadata[PPPTypeMPLSMulticast] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeMPLS), Name: "MPLSMulticast"} PPPoECodeMetadata[PPPoECodeSession] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPP), Name: "PPP"} LinkTypeMetadata[LinkTypeEthernet] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEthernet), Name: "Ethernet"} LinkTypeMetadata[LinkTypePPP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePPP), Name: "PPP"} LinkTypeMetadata[LinkTypeFDDI] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeFDDI), Name: "FDDI"} LinkTypeMetadata[LinkTypeNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLoopback), Name: "Null"} LinkTypeMetadata[LinkTypeIEEE802_11] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11), Name: "Dot11"} LinkTypeMetadata[LinkTypeLoop] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLoopback), Name: "Loop"} LinkTypeMetadata[LinkTypeIEEE802_11] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11), Name: "802.11"} LinkTypeMetadata[LinkTypeRaw] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4or6), Name: "Raw"} LinkTypeMetadata[LinkTypePFLog] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePFLog), Name: "PFLog"} LinkTypeMetadata[LinkTypeIEEE80211Radio] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeRadioTap), Name: "RadioTap"} LinkTypeMetadata[LinkTypeLinuxUSB] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSB), Name: "USB"} LinkTypeMetadata[LinkTypeLinuxSLL] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLinuxSLL), Name: "Linux SLL"} LinkTypeMetadata[LinkTypePrismHeader] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodePrismHeader), Name: "Prism"} FDDIFrameControlMetadata[FDDIFrameControlLLC] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeLLC), Name: "LLC"} EAPOLTypeMetadata[EAPOLTypeEAP] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeEAP), Name: "EAP", LayerType: LayerTypeEAP} ProtocolFamilyMetadata[ProtocolFamilyIPv4] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv4), Name: "IPv4", LayerType: LayerTypeIPv4} ProtocolFamilyMetadata[ProtocolFamilyIPv6BSD] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} ProtocolFamilyMetadata[ProtocolFamilyIPv6FreeBSD] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} ProtocolFamilyMetadata[ProtocolFamilyIPv6Darwin] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} ProtocolFamilyMetadata[ProtocolFamilyIPv6Linux] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeIPv6), Name: "IPv6", LayerType: LayerTypeIPv6} Dot11TypeMetadata[Dot11TypeMgmtAssociationReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAssociationReq), Name: "MgmtAssociationReq", LayerType: LayerTypeDot11MgmtAssociationReq} Dot11TypeMetadata[Dot11TypeMgmtAssociationResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAssociationResp), Name: "MgmtAssociationResp", LayerType: LayerTypeDot11MgmtAssociationResp} Dot11TypeMetadata[Dot11TypeMgmtReassociationReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtReassociationReq), Name: "MgmtReassociationReq", LayerType: LayerTypeDot11MgmtReassociationReq} Dot11TypeMetadata[Dot11TypeMgmtReassociationResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtReassociationResp), Name: "MgmtReassociationResp", LayerType: LayerTypeDot11MgmtReassociationResp} Dot11TypeMetadata[Dot11TypeMgmtProbeReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtProbeReq), Name: "MgmtProbeReq", LayerType: LayerTypeDot11MgmtProbeReq} Dot11TypeMetadata[Dot11TypeMgmtProbeResp] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtProbeResp), Name: "MgmtProbeResp", LayerType: LayerTypeDot11MgmtProbeResp} Dot11TypeMetadata[Dot11TypeMgmtMeasurementPilot] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtMeasurementPilot), Name: "MgmtMeasurementPilot", LayerType: LayerTypeDot11MgmtMeasurementPilot} Dot11TypeMetadata[Dot11TypeMgmtBeacon] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtBeacon), Name: "MgmtBeacon", LayerType: LayerTypeDot11MgmtBeacon} Dot11TypeMetadata[Dot11TypeMgmtATIM] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtATIM), Name: "MgmtATIM", LayerType: LayerTypeDot11MgmtATIM} Dot11TypeMetadata[Dot11TypeMgmtDisassociation] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtDisassociation), Name: "MgmtDisassociation", LayerType: LayerTypeDot11MgmtDisassociation} Dot11TypeMetadata[Dot11TypeMgmtAuthentication] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAuthentication), Name: "MgmtAuthentication", LayerType: LayerTypeDot11MgmtAuthentication} Dot11TypeMetadata[Dot11TypeMgmtDeauthentication] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtDeauthentication), Name: "MgmtDeauthentication", LayerType: LayerTypeDot11MgmtDeauthentication} Dot11TypeMetadata[Dot11TypeMgmtAction] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtAction), Name: "MgmtAction", LayerType: LayerTypeDot11MgmtAction} Dot11TypeMetadata[Dot11TypeMgmtActionNoAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11MgmtActionNoAck), Name: "MgmtActionNoAck", LayerType: LayerTypeDot11MgmtActionNoAck} Dot11TypeMetadata[Dot11TypeCtrl] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11Ctrl), Name: "Ctrl", LayerType: LayerTypeDot11Ctrl} Dot11TypeMetadata[Dot11TypeCtrlWrapper] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11Ctrl), Name: "CtrlWrapper", LayerType: LayerTypeDot11Ctrl} Dot11TypeMetadata[Dot11TypeCtrlBlockAckReq] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlBlockAckReq), Name: "CtrlBlockAckReq", LayerType: LayerTypeDot11CtrlBlockAckReq} Dot11TypeMetadata[Dot11TypeCtrlBlockAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlBlockAck), Name: "CtrlBlockAck", LayerType: LayerTypeDot11CtrlBlockAck} Dot11TypeMetadata[Dot11TypeCtrlPowersavePoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlPowersavePoll), Name: "CtrlPowersavePoll", LayerType: LayerTypeDot11CtrlPowersavePoll} Dot11TypeMetadata[Dot11TypeCtrlRTS] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlRTS), Name: "CtrlRTS", LayerType: LayerTypeDot11CtrlRTS} Dot11TypeMetadata[Dot11TypeCtrlCTS] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCTS), Name: "CtrlCTS", LayerType: LayerTypeDot11CtrlCTS} Dot11TypeMetadata[Dot11TypeCtrlAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlAck), Name: "CtrlAck", LayerType: LayerTypeDot11CtrlAck} Dot11TypeMetadata[Dot11TypeCtrlCFEnd] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCFEnd), Name: "CtrlCFEnd", LayerType: LayerTypeDot11CtrlCFEnd} Dot11TypeMetadata[Dot11TypeCtrlCFEndAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11CtrlCFEndAck), Name: "CtrlCFEndAck", LayerType: LayerTypeDot11CtrlCFEndAck} Dot11TypeMetadata[Dot11TypeData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11Data), Name: "Data", LayerType: LayerTypeDot11Data} Dot11TypeMetadata[Dot11TypeDataCFAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAck), Name: "DataCFAck", LayerType: LayerTypeDot11DataCFAck} Dot11TypeMetadata[Dot11TypeDataCFPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFPoll), Name: "DataCFPoll", LayerType: LayerTypeDot11DataCFPoll} Dot11TypeMetadata[Dot11TypeDataCFAckPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckPoll), Name: "DataCFAckPoll", LayerType: LayerTypeDot11DataCFAckPoll} Dot11TypeMetadata[Dot11TypeDataNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataNull), Name: "DataNull", LayerType: LayerTypeDot11DataNull} Dot11TypeMetadata[Dot11TypeDataCFAckNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckNoData), Name: "DataCFAckNoData", LayerType: LayerTypeDot11DataCFAckNoData} Dot11TypeMetadata[Dot11TypeDataCFPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFPollNoData), Name: "DataCFPollNoData", LayerType: LayerTypeDot11DataCFPollNoData} Dot11TypeMetadata[Dot11TypeDataCFAckPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataCFAckPollNoData), Name: "DataCFAckPollNoData", LayerType: LayerTypeDot11DataCFAckPollNoData} Dot11TypeMetadata[Dot11TypeDataQOSData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSData), Name: "DataQOSData", LayerType: LayerTypeDot11DataQOSData} Dot11TypeMetadata[Dot11TypeDataQOSDataCFAck] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFAck), Name: "DataQOSDataCFAck", LayerType: LayerTypeDot11DataQOSDataCFAck} Dot11TypeMetadata[Dot11TypeDataQOSDataCFPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFPoll), Name: "DataQOSDataCFPoll", LayerType: LayerTypeDot11DataQOSDataCFPoll} Dot11TypeMetadata[Dot11TypeDataQOSDataCFAckPoll] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSDataCFAckPoll), Name: "DataQOSDataCFAckPoll", LayerType: LayerTypeDot11DataQOSDataCFAckPoll} Dot11TypeMetadata[Dot11TypeDataQOSNull] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSNull), Name: "DataQOSNull", LayerType: LayerTypeDot11DataQOSNull} Dot11TypeMetadata[Dot11TypeDataQOSCFPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSCFPollNoData), Name: "DataQOSCFPollNoData", LayerType: LayerTypeDot11DataQOSCFPollNoData} Dot11TypeMetadata[Dot11TypeDataQOSCFAckPollNoData] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeDot11DataQOSCFAckPollNoData), Name: "DataQOSCFAckPollNoData", LayerType: LayerTypeDot11DataQOSCFAckPollNoData} USBTransportTypeMetadata[USBTransportTypeInterrupt] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBInterrupt), Name: "Interrupt", LayerType: LayerTypeUSBInterrupt} USBTransportTypeMetadata[USBTransportTypeControl] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBControl), Name: "Control", LayerType: LayerTypeUSBControl} USBTransportTypeMetadata[USBTransportTypeBulk] = EnumMetadata{DecodeWith: gopacket.DecodeFunc(decodeUSBBulk), Name: "Bulk", LayerType: LayerTypeUSBBulk} }