link

Jan 3, 2025

Changes in this version

+ const IPLayerOffsetLinuxSLL2

+ type BPFFn func(snapLen int, ignoreVLANs bool, extraInstr ...bpf.RawInstruction) []bpf.RawInstruction

type Interface

+ IsVLAN bool

type Type

+ const TypeLinuxSLL2

Sep 8, 2023

Changes in this version

+ const IPLayerOffsetEthernet

+ const LayerOffsetPPPOE

+ var CaptureLengthFixed = func(snaplen int) CaptureLengthStrategy

+ var CaptureLengthMinimalIPv4Header = func(l *Link) int

+ var CaptureLengthMinimalIPv4Transport = func(l *Link) int

+ var CaptureLengthMinimalIPv6Header = func(l *Link) int

+ var CaptureLengthMinimalIPv6Transport = func(l *Link) int

+ var EmptyEthernetLink = Link

+ var ErrIndexOutOfBounds = errors.New("interface index out of bounds") — linux/amd64

+ var ErrNotExist = errors.New("interface does not exist or is unsupported")

+ var ErrNotUp = errors.New("interface is currently not up")

+ func WithPacketFilterMask(mask byte) func(l *Link)

+ type CaptureLengthStrategy = func(l *Link) int

+ type EtherType uint16

+ const EtherTypeIPv4

+ const EtherTypeIPv6

+ func (t EtherType) HasValidIPLayer() bool

+ type Interface struct

+ Index int

+ Name string

+ Type Type

+ func Interfaces() ([]Interface, error)

+ func NewInterface(name string) (iface Interface, err error)

+ func (i Interface) IsUp() (bool, error)

+ func (i Interface) String() string

+ type Link struct

+ func FindAllLinks() ([]*Link, error)

+ func New(ifName string, opts ...func(*Link)) (link *Link, err error)

+ func (l *Link) FilterMask() byte

+ func (l *Link) IsUp() (bool, error)

+ type Type int

+ const TypeEthernet

+ const TypeGRE

+ const TypeGRE6

+ const TypeIP6IP6

+ const TypeInvalid

+ const TypeLoopback

+ const TypeNone

+ const TypePPP

+ func (l Type) BPFFilter() func(snapLen int) []bpf.RawInstruction

+ func (l Type) IPHeaderOffset() byte