libbpfgo

package module
v0.0.5 Latest Latest
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 Go to latest Published: Oct 18, 2023 License: MIT Imports: 9 Imported by: 0

README

libbpf-go

Load bpf program in golang dependence make gcc

libbpf

在ubuntu22.04 server版本
dependence libelf-dev zib

Documentation

Index

Constants

View Source 
const (
	TracePoint = "tracepoint"
	KProbe     = "kprobe"
	KRetProbe  = "kretprobe"
	UProbe     = "uprobe"
	URetProbe  = "uretprobe"
	XDP        = "xdp"
	TC         = "tc"
	LSM        = "lsm"
)
View Source 
const (
	BPF_MAP_TYPE_UNSPEC = iota
	BPF_MAP_TYPE_HASH
	BPF_MAP_TYPE_ARRAY
	BPF_MAP_TYPE_PROG_ARRAY
	BPF_MAP_TYPE_PERF_EVENT_ARRAY
	BPF_MAP_TYPE_PERCPU_HASH
	BPF_MAP_TYPE_PERCPU_ARRAY
	BPF_MAP_TYPE_STACK_TRACE
	BPF_MAP_TYPE_CGROUP_ARRAY
	BPF_MAP_TYPE_LRU_HASH
	BPF_MAP_TYPE_LRU_PERCPU_HASH
	BPF_MAP_TYPE_LPM_TRIE
	BPF_MAP_TYPE_ARRAY_OF_MAPS
	BPF_MAP_TYPE_HASH_OF_MAPS
	BPF_MAP_TYPE_DEVMAP
	BPF_MAP_TYPE_SOCKMAP
	BPF_MAP_TYPE_CPUMAP
	BPF_MAP_TYPE_XSKMAP
	BPF_MAP_TYPE_SOCKHASH
	BPF_MAP_TYPE_CGROUP_STORAGE
	BPF_MAP_TYPE_REUSEPORT_SOCKARRAY
	BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE
	BPF_MAP_TYPE_QUEUE
	BPF_MAP_TYPE_STACK
	BPF_MAP_TYPE_SK_STORAGE
	BPF_MAP_TYPE_DEVMAP_HASH
	BPF_MAP_TYPE_STRUCT_OPS
	BPF_MAP_TYPE_RINGBUF
	BPF_MAP_TYPE_INODE_STORAGE
	BPF_MAP_TYPE_TASK_STORAGE
	BPF_MAP_TYPE_BLOOM_FILTER
)
View Source 
const (
	PinnedFilePath = "/sys/fs/bpf/"
)

Variables

This section is empty.

Functions

func PerfBufferFunc 

func PerfBufferFunc(ctx unsafe.Pointer, cpu C.int, data unsafe.Pointer, size C.int)

func PerfBufferLostFunc 

func PerfBufferLostFunc(ctx unsafe.Pointer, cpu C.int, cnt C.ulonglong)

func RingBufferFunc 

func RingBufferFunc(ctx unsafe.Pointer, data unsafe.Pointer, size C.int) C.int

Types

type BPFMap 

type BPFMap struct {
	// contains filtered or unexported fields
}

func (*BPFMap) PinMap 

func (m *BPFMap) PinMap(pinPath string) error

func (*BPFMap) UnPinMap 

func (m *BPFMap) UnPinMap(unpinPath string) error

type BPFPinnedMap 

type BPFPinnedMap struct {
	// contains filtered or unexported fields
}

func (*BPFPinnedMap) MapDelElem 

func (m *BPFPinnedMap) MapDelElem(key unsafe.Pointer) error

func (*BPFPinnedMap) MapLookupElem 

func (m *BPFPinnedMap) MapLookupElem(key unsafe.Pointer) []byte

func (*BPFPinnedMap) MapUpdateElem 

func (m *BPFPinnedMap) MapUpdateElem(key, value unsafe.Pointer)

type BPFProgram 

type BPFProgram struct {
	// contains filtered or unexported fields
}

type BaseProgram 

type BaseProgram struct {
	// contains filtered or unexported fields
}

func (BaseProgram) GetProgramSecName 

func (p BaseProgram) GetProgramSecName() string

type KprobeProgram 

type KprobeProgram struct {
	BaseProgram
}

func (*KprobeProgram) LoadIntoKernel 

func (t *KprobeProgram) LoadIntoKernel() error

func (*KprobeProgram) Unload 

func (t *KprobeProgram) Unload() error

type MapFlag 

type MapFlag uint32
const (
	MapFlagUpdateAny     MapFlag = iota // create new element or update existing
	MapFlagUpdateNoExist                // create new element if it didn't exist
	MapFlagUpdateExist                  // update existing element
	MapFlagFLock                        // spin_lock-ed map_lookup/map_update
)

type Module 

type Module struct {
	// contains filtered or unexported fields
}

func NewModuleFromFile 

func NewModuleFromFile(bpfFilePath string) *Module

func (*Module) AddDeferFunc 

func (m *Module) AddDeferFunc(function func())

func (*Module) AddElfFile 

func (m *Module) AddElfFile(path string)

func (*Module) BPFLoadObject 

func (m *Module) BPFLoadObject() error

func (*Module) Close 

func (m *Module) Close()

func (*Module) GenerationProgram 

func (m *Module) GenerationProgram(bpfProgram *C.struct_bpf_program) Program

func (*Module) GetAllMapName 

func (m *Module) GetAllMapName() (res []string)

func (*Module) GetAllProgram 

func (m *Module) GetAllProgram() map[string]Program

func (*Module) LoadAllIntoKernel 

func (m *Module) LoadAllIntoKernel() error

func (*Module) LoadAllMap 

func (m *Module) LoadAllMap() error

func (*Module) LoadAllProgram 

func (m *Module) LoadAllProgram() error

func (*Module) LoadPinnedMapFromPath 

func (m *Module) LoadPinnedMapFromPath(name string)

func (*Module) NewPerfBuffer 

func (m *Module) NewPerfBuffer(mapName string) *C.struct_perf_buffer

func (*Module) PerfStart added in v0.0.4 

func (m *Module) PerfStart(mapName string)

func (*Module) PerfStop added in v0.0.4 

func (m *Module) PerfStop(mapName string)

type PerfEvent added in v0.0.4 

type PerfEvent struct {
	// contains filtered or unexported fields
}

type Program 

type Program interface {
	LoadIntoKernel() error
	Unload() error
}

type TCProgram 

type TCProgram struct {
	BaseProgram
}

func (*TCProgram) LoadIntoKernel 

func (t *TCProgram) LoadIntoKernel() error

func (*TCProgram) Unload 

func (t *TCProgram) Unload() error

type TracePointProgram 

type TracePointProgram struct {
	BaseProgram
	// contains filtered or unexported fields
}

func (*TracePointProgram) LoadIntoKernel 

func (t *TracePointProgram) LoadIntoKernel() error

func (*TracePointProgram) Unload 

func (t *TracePointProgram) Unload() error

type UProbeProgram 

type UProbeProgram struct {
	BaseProgram
	// contains filtered or unexported fields
}

func (*UProbeProgram) AddOffset 

func (t *UProbeProgram) AddOffset(offset string) error

func (*UProbeProgram) AddOffsetByFuncName 

func (t *UProbeProgram) AddOffsetByFuncName(funcName string) error

func (*UProbeProgram) LoadIntoKernel 

func (t *UProbeProgram) LoadIntoKernel() error

func (*UProbeProgram) Unload 

func (t *UProbeProgram) Unload() error

type XDPProgram 

type XDPProgram struct {
	BaseProgram
}

func (*XDPProgram) LoadIntoKernel 

func (t *XDPProgram) LoadIntoKernel() error

func (*XDPProgram) Unload 

func (t *XDPProgram) Unload() error

Source Files

View all Source files

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