packet

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Versions in this module

v0

v0.9.2

Dec 12, 2019

v0.9.1

Oct 1, 2019

v0.9.0

Sep 20, 2019

Changes in this version

type L2Rules

+ func GetL2ACLFromTextTable(filename string) (*L2Rules, error)

type L3Rules

+ func GetL3ACLFromTextTable(filename string) (*L3Rules, error)

v0.8.1

Jun 20, 2019

Changes in this version

type Packet

+ func InitNextPacket(plSize uint, prev *Packet) *Packet

+ func (pkt *Packet) GetPacketOffloadFlags() uint64

+ func (pkt *Packet) GetPacketTimestamp() uint64

type UDPPort

+ Length uint8

v0.8.0

Mar 7, 2019

Changes in this version

+ func SwapBytesIPv4Addr(x types.IPv4Address) types.IPv4Address

+ type GREHdr struct

+ Flags uint16

+ NextProto uint16

+ func (hdr *GREHdr) String() string

+ type NeighboursLookupTable struct

+ func NewNeighbourTable(index uint16, mac types.MACAddress, ipv4 types.IPv4Address, ...) *NeighboursLookupTable

+ func (table *NeighboursLookupTable) HandleIPv4ARPPacket(pkt *Packet) error

+ func (table *NeighboursLookupTable) LookupMACForIPv4(ipv4 types.IPv4Address) (types.MACAddress, bool)

+ func (table *NeighboursLookupTable) SendARPRequestForIPv4(ipv4 types.IPv4Address, vlan uint16)

type Packet

+ func (packet *Packet) GetGREForIPv4() *GREHdr

+ func (packet *Packet) GetGRENoCheck() *GREHdr

v0.7.4

Feb 5, 2019

v0.7.3

Jan 30, 2019

v0.7.2

Jan 8, 2019

v0.7.1

Dec 12, 2018

v0.7.0

Nov 28, 2018

v0.6.2

Nov 15, 2018

v0.6.1

Oct 4, 2018

v0.6.0

Oct 4, 2018

v0.4.1

Oct 4, 2018

v0.4.0

Oct 4, 2018

v0.3.0

Oct 4, 2018

v0.1.0

Oct 4, 2018

Changes in this version

+ const ARPReply

+ const ARPRequest

+ const EchoRequest

+ const EchoResponse

+ const EndMarker

+ const ErrorIndication

+ const G_PDU

+ const ICMPv6NDMTU

+ const ICMPv6NDMessageOptionUnitSize

+ const ICMPv6NDOverrideFlag

+ const ICMPv6NDPrefixInformation

+ const ICMPv6NDRedirectedHeader

+ const ICMPv6NDSolicitedFlag

+ const ICMPv6NDSourceLinkLayerAddress

+ const ICMPv6NDTargetLinkLayerAddress

+ const ICMPv6RNDouterFlag

+ const NoExtensionHeaders

+ const PDCP_PDU_NumberExtensionHeader

+ const PcapGlobHdrSize

+ const SupportedExtensionHeadersNotification

+ const SwapUDPPortGTPU

+ const UDPPortExtensionHeader

+ const UDPPortGTPU

+ var ICMPv6NDSourceLinkLayerAddressOptionSize uint = uint(unsafe.Sizeof(ICMPv6NDSourceLinkLayerAddressOption{}))

+ var ICMPv6NDTargetLinkLayerAddressOptionSize uint = uint(unsafe.Sizeof(ICMPv6NDTargetLinkLayerAddressOption{}))

+ var ICMPv6NeighborAdvertisementMessageSize uint = uint(unsafe.Sizeof(ICMPv6NeighborAdvertisementMessage{}))

+ var ICMPv6NeighborSolicitationMessageSize uint = uint(unsafe.Sizeof(ICMPv6NeighborSolicitationMessage{}))

+ func ArrayToIPv4(a [IPv4AddrLen]byte) uint32

+ func BytesToIPv4(a byte, b byte, c byte, d byte) uint32

+ func CalculateIPv4Checksum(hdr *IPv4Hdr) uint16

+ func CalculateIPv4ICMPChecksum(hdr *IPv4Hdr, icmp *ICMPHdr, data unsafe.Pointer) uint16

+ func CalculateIPv4TCPChecksum(hdr *IPv4Hdr, tcp *TCPHdr, data unsafe.Pointer) uint16

+ func CalculateIPv4UDPChecksum(hdr *IPv4Hdr, udp *UDPHdr, data unsafe.Pointer) uint16

+ func CalculateIPv6BroadcastMACForDstMulticastIP(dstMAC *[common.EtherAddrLen]uint8, dstIP [common.IPv6AddrLen]uint8)

+ func CalculateIPv6ICMPChecksum(hdr *IPv6Hdr, icmp *ICMPHdr, data unsafe.Pointer) uint16

+ func CalculateIPv6LinkLocalAddrForMAC(llAddr *[common.IPv6AddrLen]uint8, mac [common.EtherAddrLen]uint8)

+ func CalculateIPv6MulticastAddrForDstIP(muticastAddr *[common.IPv6AddrLen]uint8, dstIP [common.IPv6AddrLen]uint8)

+ func CalculateIPv6TCPChecksum(hdr *IPv6Hdr, tcp *TCPHdr, data unsafe.Pointer) uint16

+ func CalculateIPv6UDPChecksum(hdr *IPv6Hdr, udp *UDPHdr, data unsafe.Pointer) uint16

+ func CalculatePseudoHdrIPv4TCPCksum(hdr *IPv4Hdr) uint16

+ func CalculatePseudoHdrIPv4UDPCksum(hdr *IPv4Hdr, udp *UDPHdr) uint16

+ func CalculatePseudoHdrIPv6TCPCksum(hdr *IPv6Hdr) uint16

+ func CalculatePseudoHdrIPv6UDPCksum(hdr *IPv6Hdr, udp *UDPHdr) uint16

+ func ExtractPacketAddr(IN uintptr) uintptr

+ func ExtractPackets(packet []*Packet, IN []uintptr, n uint)

+ func GeneratePacketFromByte(packet *Packet, data []byte) bool

+ func IPv4ToBytes(v uint32) [IPv4AddrLen]byte

+ func IPv4ToString(addr uint32) string

+ func IPv6ToString(addr [IPv6AddrLen]uint8) string

+ func InitARPReplyPacket(packet *Packet, SHA, THA [common.EtherAddrLen]uint8, SPA, TPA uint32) bool

+ func InitARPRequestPacket(packet *Packet, SHA [common.EtherAddrLen]uint8, SPA, TPA uint32) bool

+ func InitEmptyARPPacket(packet *Packet) bool

+ func InitEmptyIPv4ICMPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyIPv4Packet(packet *Packet, plSize uint) bool

+ func InitEmptyIPv4TCPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyIPv4UDPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyIPv6ICMPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyIPv6Packet(packet *Packet, plSize uint) bool

+ func InitEmptyIPv6TCPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyIPv6UDPPacket(packet *Packet, plSize uint) bool

+ func InitEmptyPacket(packet *Packet, plSize uint) bool

+ func InitGARPAnnouncementReplyPacket(packet *Packet, SHA [common.EtherAddrLen]uint8, SPA uint32) bool

+ func InitGARPAnnouncementRequestPacket(packet *Packet, SHA [common.EtherAddrLen]uint8, SPA uint32) bool

+ func InitICMPv6NeighborAdvertisementPacket(packet *Packet, srcMAC, dstMAC [common.EtherAddrLen]uint8, ...)

+ func InitICMPv6NeighborSolicitationPacket(packet *Packet, srcMAC [common.EtherAddrLen]uint8, ...)

+ func MACToString(mac [EtherAddrLen]uint8) string

+ func ReadPcapGlobalHdr(f io.Reader, glHdr *PcapGlobHdr) error

+ func SetHWOffloadingHdrChecksum(p *Packet)

+ func SetHWTXChecksumFlag(flag bool)

+ func SetNonPerfMempool(m *low.Mempool)

+ func SwapBytesUint16(x uint16) uint16

+ func SwapBytesUint32(x uint32) uint32

+ func WritePcapGlobalHdr(f io.Writer) error

+ type ARPHdr struct

+ HLen uint8

+ HType uint16

+ Operation uint16

+ PLen uint8

+ PType uint16

+ SHA [common.EtherAddrLen]uint8

+ SPA [common.IPv4AddrLen]uint8

+ THA [common.EtherAddrLen]uint8

+ TPA [common.IPv4AddrLen]uint8

+ func (hdr *ARPHdr) String() string

+ type EtherHdr struct

+ DAddr [EtherAddrLen]uint8

+ EtherType uint16

+ SAddr [EtherAddrLen]uint8

+ func (hdr *EtherHdr) String() string

+ type GTPHdr struct

+ HeaderType uint8

+ MessageLength uint16

+ MessageType uint8

+ NPDUNumber uint8

+ NextExtensionHeader uint8

+ SequenceNumber uint16

+ TEID uint32

+ func (hdr *GTPHdr) String() string

+ type ICMPHdr struct

+ Cksum uint16

+ Code uint8

+ Identifier uint16

+ SeqNum uint16

+ Type uint8

+ func (hdr *ICMPHdr) String() string

+ type ICMPv6NDMTUOption struct

+ Length uint8

+ MTU uint32

+ Type uint8

+ type ICMPv6NDPrefixInformationOption struct

+ LAFlags uint8

+ Length uint8

+ PreferredLifetime uint32

+ Prefix [common.IPv6AddrLen]uint8

+ PrefixLength uint8

+ Reserved2 uint32

+ Type uint8

+ ValidLifetime uint32

+ type ICMPv6NDRedirectedHeaderOption struct

+ Length uint8

+ Reserved uint32

+ Type uint8

+ type ICMPv6NDSourceLinkLayerAddressOption struct

+ Length uint8

+ LinkLayerAddress [common.EtherAddrLen]uint8

+ Type uint8

+ type ICMPv6NDTargetLinkLayerAddressOption struct

+ Length uint8

+ LinkLayerAddress [common.EtherAddrLen]uint8

+ Type uint8

+ type ICMPv6NeighborAdvertisementMessage struct

+ TargetAddr [common.IPv6AddrLen]uint8

+ type ICMPv6NeighborSolicitationMessage struct

+ TargetAddr [common.IPv6AddrLen]uint8

+ type IPv4Hdr struct

+ DstAddr uint32

+ FragmentOffset uint16

+ HdrChecksum uint16

+ NextProtoID uint8

+ PacketID uint16

+ SrcAddr uint32

+ TimeToLive uint8

+ TotalLength uint16

+ TypeOfService uint8

+ VersionIhl uint8

+ func (hdr *IPv4Hdr) String() string

+ type IPv6Hdr struct

+ DstAddr [IPv6AddrLen]uint8

+ HopLimits uint8

+ PayloadLen uint16

+ Proto uint8

+ SrcAddr [IPv6AddrLen]uint8

+ VtcFlow uint32

+ func (hdr *IPv6Hdr) String() string

+ type L2Rules struct

+ func GetL2ACLFromJSON(filename string) (*L2Rules, error)

+ func GetL2ACLFromORIG(filename string) (*L2Rules, error)

+ type L3Rules struct

+ func GetL3ACLFromJSON(filename string) (*L3Rules, error)

+ func GetL3ACLFromORIG(filename string) (*L3Rules, error)

+ type LPM struct

+ func CreateLPM(name string, socket uint8, maxRules uint32, numberTbl8 uint32) *LPM

+ func (lpm *LPM) Add(ip uint32, depth uint8, nextHop uint32) int

+ func (lpm *LPM) Delete(ip uint32, depth uint8) int

+ func (lpm *LPM) Free()

+ func (lpm *LPM) Lookup(ip uint32, nextHop *uint32) bool

+ type MPLSHdr struct

+ func (hdr *MPLSHdr) DecreaseTTL() bool

+ func (hdr *MPLSHdr) GetMPLSLabel() uint32

+ func (hdr *MPLSHdr) GetMPLSS() uint32

+ func (hdr *MPLSHdr) GetMPLSTC() uint32

+ func (hdr *MPLSHdr) GetMPLSTTL() uint32

+ func (hdr *MPLSHdr) SetMPLSLabel(tag uint32)

+ func (hdr *MPLSHdr) String() string

+ type PDCP_PDU_Number struct

+ Length uint8

+ NextExtensionHeader uint8

+ PDCP_PDU_Number_1 uint8

+ PDCP_PDU_Number_2 uint8

+ type Packet struct

+ CMbuf *low.Mbuf

+ Data unsafe.Pointer

+ Ether *EtherHdr

+ L3 unsafe.Pointer

+ L4 unsafe.Pointer

+ Next *Packet

+ func ExtractPacket(IN uintptr) *Packet

+ func NewPacket() (*Packet, error)

+ func ToPacket(IN uintptr) *Packet

+ func (p *Packet) SendPacket(port uint16) bool

+ func (p *Packet) ToUintptr() uintptr

+ func (packet *Packet) AddMPLS(mpls uint32) bool

+ func (packet *Packet) AddVLANTag(tag uint16) bool

+ func (packet *Packet) DecapsulateHead(start uint, length uint) bool

+ func (packet *Packet) DecapsulateIPv4GTP() bool

+ func (packet *Packet) DecapsulateTail(start uint, length uint) bool

+ func (packet *Packet) EncapsulateHead(start uint, length uint) bool

+ func (packet *Packet) EncapsulateIPv4GTP(TEID uint32) bool

+ func (packet *Packet) EncapsulateTail(start uint, length uint) bool

+ func (packet *Packet) GTPIPv4AllParsing() *GTPHdr

+ func (packet *Packet) GTPIPv4FastParsing() *GTPHdr

+ func (packet *Packet) GetARP() *ARPHdr

+ func (packet *Packet) GetARPCheckVLAN() *ARPHdr

+ func (packet *Packet) GetARPNoCheck() *ARPHdr

+ func (packet *Packet) GetEtherType() uint16

+ func (packet *Packet) GetGTP() *GTPHdr

+ func (packet *Packet) GetICMPForIPv4() *ICMPHdr

+ func (packet *Packet) GetICMPForIPv6() *ICMPHdr

+ func (packet *Packet) GetICMPNoCheck() *ICMPHdr

+ func (packet *Packet) GetICMPv6NDSourceLinkLayerAddressOption(msgLength uint) *ICMPv6NDSourceLinkLayerAddressOption

+ func (packet *Packet) GetICMPv6NDTargetLinkLayerAddressOption(msgLength uint) *ICMPv6NDSourceLinkLayerAddressOption

+ func (packet *Packet) GetICMPv6NeighborAdvertisementMessage() *ICMPv6NeighborAdvertisementMessage

+ func (packet *Packet) GetICMPv6NeighborSolicitationMessage() *ICMPv6NeighborSolicitationMessage

+ func (packet *Packet) GetIPv4() *IPv4Hdr

+ func (packet *Packet) GetIPv4CheckVLAN() *IPv4Hdr

+ func (packet *Packet) GetIPv4NoCheck() *IPv4Hdr

+ func (packet *Packet) GetIPv6() *IPv6Hdr

+ func (packet *Packet) GetIPv6CheckVLAN() *IPv6Hdr

+ func (packet *Packet) GetIPv6NoCheck() *IPv6Hdr

+ func (packet *Packet) GetMPLS() *MPLSHdr

+ func (packet *Packet) GetMPLSNoCheck() *MPLSHdr

+ func (packet *Packet) GetPacketLen() uint

+ func (packet *Packet) GetPacketPayload() ([]byte, bool)

+ func (packet *Packet) GetPacketSegmentLen() uint

+ func (packet *Packet) GetRawPacketBytes() []byte

+ func (packet *Packet) GetTCPForIPv4() *TCPHdr

+ func (packet *Packet) GetTCPForIPv6() *TCPHdr

+ func (packet *Packet) GetTCPNoCheck() *TCPHdr

+ func (packet *Packet) GetUDPForIPv4() *UDPHdr

+ func (packet *Packet) GetUDPForIPv6() *UDPHdr

+ func (packet *Packet) GetUDPNoCheck() *UDPHdr

+ func (packet *Packet) GetVLAN() *VLANHdr

+ func (packet *Packet) GetVLANNoCheck() *VLANHdr

+ func (packet *Packet) PacketBytesChange(start uint, bytes []byte) bool

+ func (packet *Packet) ParseAllKnownL3() (*IPv4Hdr, *IPv6Hdr, *ARPHdr)

+ func (packet *Packet) ParseAllKnownL3CheckVLAN() (*IPv4Hdr, *IPv6Hdr, *ARPHdr)

+ func (packet *Packet) ParseAllKnownL4ForIPv4() (*TCPHdr, *UDPHdr, *ICMPHdr)

+ func (packet *Packet) ParseAllKnownL4ForIPv6() (*TCPHdr, *UDPHdr, *ICMPHdr)

+ func (packet *Packet) ParseData() int

+ func (packet *Packet) ParseDataCheckVLAN() int

+ func (packet *Packet) ParseL3()

+ func (packet *Packet) ParseL3CheckMPLS() *MPLSHdr

+ func (packet *Packet) ParseL3CheckVLAN() *VLANHdr

+ func (packet *Packet) ParseL4ForIPv4()

+ func (packet *Packet) ParseL4ForIPv6()

+ func (packet *Packet) ParseL7(protocol uint)

+ func (packet *Packet) RemoveMPLS() bool

+ func (packet *Packet) RemoveVLANTag() bool

+ func (packet *Packet) SetHWCksumOLFlags()

+ func (packet *Packet) SetTXIPv4OLFlags(l2len, l3len uint32)

+ func (packet *Packet) SetTXIPv4TCPOLFlags(l2len, l3len uint32)

+ func (packet *Packet) SetTXIPv4UDPOLFlags(l2len, l3len uint32)

+ func (packet *Packet) SetTXIPv6TCPOLFlags(l2len, l3len uint32)

+ func (packet *Packet) SetTXIPv6UDPOLFlags(l2len, l3len uint32)

+ func (packet *Packet) StartAtOffset(offset uintptr) unsafe.Pointer

+ func (pkt *Packet) L2ACLPermit(rules *L2Rules) bool

+ func (pkt *Packet) L2ACLPort(rules *L2Rules) uint

+ func (pkt *Packet) L3ACLPermit(rules *L3Rules) bool

+ func (pkt *Packet) L3ACLPort(rules *L3Rules) uint

+ func (pkt *Packet) ReadPcapOnePacket(f io.Reader) (bool, error)

+ func (pkt *Packet) WritePcapOnePacket(f io.Writer) error

+ type PcapGlobHdr struct

+ MagicNumber uint32

+ Network uint32

+ Sigfigs uint32

+ Snaplen uint32

+ Thiszone int32

+ VersionMajor uint16

+ VersionMinor uint16

+ type PcapRecHdr struct

+ InclLen uint32

+ OrigLen uint32

+ TsSec uint32

+ TsUsec uint32

+ type TCPHdr struct

+ Cksum uint16

+ DataOff uint8

+ DstPort uint16

+ RecvAck uint32

+ RxWin uint16

+ SentSeq uint32

+ SrcPort uint16

+ TCPFlags TCPFlags

+ TCPUrp uint16

+ func (hdr *TCPHdr) String() string

+ type UDPHdr struct

+ DgramCksum uint16

+ DgramLen uint16

+ DstPort uint16

+ SrcPort uint16

+ func (hdr *UDPHdr) String() string

+ type UDPPort struct

+ Lenght uint8

+ NextExtensionHeader uint8

+ UDPPortNumber uint16

+ type VLANHdr struct

+ EtherType uint16

+ TCI uint16

+ func (hdr *VLANHdr) GetVLANTagIdentifier() uint16

+ func (hdr *VLANHdr) SetVLANTagIdentifier(tag uint16)

+ func (hdr *VLANHdr) String() string

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