packetHandlers

Documentation

Index

• func GetDstMacAddressFromPacket(packet gopacket.Packet) (net.HardwareAddr, error)
• func GetSrcMacAddressFromPacket(packet gopacket.Packet) (net.HardwareAddr, error)
• func GetVlanTag(pkt gopacket.Packet) (uint16, error)
• func IsDhcpPacket(pkt gopacket.Packet) bool
• func IsIncomingPacket(packet gopacket.Packet) bool
• func PopDoubleTag(pkt gopacket.Packet) (gopacket.Packet, error)
• func PopSingleTag(pkt gopacket.Packet) (gopacket.Packet, error)
• func PushDoubleTag(stag int, ctag int, pkt gopacket.Packet) (gopacket.Packet, error)
• func PushSingleTag(tag int, pkt gopacket.Packet) (gopacket.Packet, error)
• type PacketType
  • func IsEapolOrDhcp(pkt gopacket.Packet) (PacketType, error)
  • func (t PacketType) String() string

Functions

func GetDstMacAddressFromPacket

func GetDstMacAddressFromPacket(packet gopacket.Packet) (net.HardwareAddr, error)

returns the Destination Mac Address contained in the packet

func GetSrcMacAddressFromPacket

func GetSrcMacAddressFromPacket(packet gopacket.Packet) (net.HardwareAddr, error)

returns the Source Mac Address contained in the packet

func GetVlanTag

func GetVlanTag(pkt gopacket.Packet) (uint16, error)

func IsDhcpPacket

func IsDhcpPacket(pkt gopacket.Packet) bool

func IsIncomingPacket

func IsIncomingPacket(packet gopacket.Packet) bool

return true if the packet is coming in the OLT from the NNI port it uses the ack to check if the source is the one we assigned to the dhcp server

func PopDoubleTag

func PopDoubleTag(pkt gopacket.Packet) (gopacket.Packet, error)

func PopSingleTag

func PopSingleTag(pkt gopacket.Packet) (gopacket.Packet, error)

func PushDoubleTag

func PushDoubleTag(stag int, ctag int, pkt gopacket.Packet) (gopacket.Packet, error)

func PushSingleTag

func PushSingleTag(tag int, pkt gopacket.Packet) (gopacket.Packet, error)

Types

type PacketType

type PacketType int

const (
	UNKNOWN PacketType = iota
	EAPOL
	DHCP
)

func IsEapolOrDhcp

func IsEapolOrDhcp(pkt gopacket.Packet) (PacketType, error)

returns wether it's an EAPOL or DHCP packet, error if it's none

func (PacketType) String

func (t PacketType) String() string