eth

Documentation

Index

• Constants
• type Ethernet
  • func New() *Ethernet
  • func (e *Ethernet) Len() (n uint16)
  • func (e *Ethernet) MarshalBinary() (data []byte, err error)
  • func (e *Ethernet) UnmarshalBinary(data []byte) error
• type VLAN
  • func NewVLAN() *VLAN
  • func (v *VLAN) Len() (n uint16)
  • func (v *VLAN) MarshalBinary() (data []byte, err error)
  • func (v *VLAN) UnmarshalBinary(data []byte) error

Constants

const (
	IPv4_MSG = 0x0800
	ARP_MSG  = 0x0806
	LLDP_MSG = 0x88cc
	WOL_MSG  = 0x0842
	RARP_MSG = 0x8035
	VLAN_MSG = 0x8100

	IPv6_MSG     = 0x86DD
	STP_MSG      = 0x4242
	STP_BPDU_MSG = 0xAAAA
)

see http://en.wikipedia.org/wiki/EtherType

const (
	PCP_MASK = 0xe000
	DEI_MASK = 0x1000
	VID_MASK = 0x0fff
)

Types

type Ethernet

type Ethernet struct {
	Delimiter uint8
	HWDst     net.HardwareAddr
	HWSrc     net.HardwareAddr
	VLANID    VLAN
	Ethertype uint16
	Data      util.Message
}

func New

func New() *Ethernet

func (*Ethernet) Len

func (e *Ethernet) Len() (n uint16)

func (*Ethernet) MarshalBinary

func (e *Ethernet) MarshalBinary() (data []byte, err error)

func (*Ethernet) UnmarshalBinary

func (e *Ethernet) UnmarshalBinary(data []byte) error

type VLAN

type VLAN struct {
	TPID uint16
	PCP  uint8
	DEI  uint8
	VID  uint8
}

func NewVLAN

func NewVLAN() *VLAN

func (*VLAN) Len

func (v *VLAN) Len() (n uint16)

func (*VLAN) MarshalBinary

func (v *VLAN) MarshalBinary() (data []byte, err error)

func (*VLAN) UnmarshalBinary

func (v *VLAN) UnmarshalBinary(data []byte) error