packetdump

package

v0.0.0-...-cd81286 Latest Latest Go to latest Published: May 15, 2022 License: GPL-3.0, Apache-2.0 Imports: 12 Imported by: 1

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/bwNetFlow/bpf_flowexport

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README ¶

This package is a simple BPF program to dump headers of packets passing a specific interface into a Go channel.

Based on the work done in https://github.com/iovisor/gobpf/pull/270.

Documentation ¶

Rendered for

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Packet ¶

type Packet struct {
	SrcAddr       net.IP
	DstAddr       net.IP
	InIf          uint32
	OutIf         uint32
	Bytes         uint32
	Etype         uint32
	Proto         uint32
	Ipv6FlowLabel uint32
	SrcPort       uint16
	DstPort       uint16
	IPTtl         uint8
	IPTos         uint8
	IcmpType      uint8
	IcmpCode      uint8
	TcpFlags      uint8
	FlowDirection uint8
	RemoteAddr    uint8
}

type PacketDumper ¶

type PacketDumper struct {
	BufSize int // Determines kernel perf map allocation. It is rounded up to the nearest multiple of the current page size.

	SamplerAddress net.IP
	// contains filtered or unexported fields
}

func (*PacketDumper) Packets ¶

func (b *PacketDumper) Packets() chan Packet

func (*PacketDumper) Setup ¶

func (b *PacketDumper) Setup(device string) error

func (*PacketDumper) Start ¶

func (b *PacketDumper) Start() error

func (*PacketDumper) Stop ¶

func (b *PacketDumper) Stop()

Source Files ¶

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Directories ¶

Path	Synopsis
cmd