clash/component/ebpf/redir/bpf_bpfel.go
2022-07-29 09:08:35 +08:00

138 lines
3.2 KiB
Go

// Code generated by bpf2go; DO NOT EDIT.
//go:build 386 || amd64 || amd64p32 || arm || arm64 || mips64le || mips64p32le || mipsle || ppc64le || riscv64
// +build 386 amd64 amd64p32 arm arm64 mips64le mips64p32le mipsle ppc64le riscv64
package redir
import (
"bytes"
_ "embed"
"fmt"
"io"
"github.com/cilium/ebpf"
)
type bpfOriginInfo struct {
Ip uint32
Port uint16
Pad uint16
}
type bpfRedirInfo struct {
Sip uint32
Dip uint32
Sport uint16
Dport uint16
}
// loadBpf returns the embedded CollectionSpec for bpf.
func loadBpf() (*ebpf.CollectionSpec, error) {
reader := bytes.NewReader(_BpfBytes)
spec, err := ebpf.LoadCollectionSpecFromReader(reader)
if err != nil {
return nil, fmt.Errorf("can't load bpf: %w", err)
}
return spec, err
}
// loadBpfObjects loads bpf and converts it into a struct.
//
// The following types are suitable as obj argument:
//
// *bpfObjects
// *bpfPrograms
// *bpfMaps
//
// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
func loadBpfObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
spec, err := loadBpf()
if err != nil {
return err
}
return spec.LoadAndAssign(obj, opts)
}
// bpfSpecs contains maps and programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type bpfSpecs struct {
bpfProgramSpecs
bpfMapSpecs
}
// bpfSpecs contains programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type bpfProgramSpecs struct {
TcRedirEgressFunc *ebpf.ProgramSpec `ebpf:"tc_redir_egress_func"`
TcRedirIngressFunc *ebpf.ProgramSpec `ebpf:"tc_redir_ingress_func"`
}
// bpfMapSpecs contains maps before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type bpfMapSpecs struct {
PairOriginalDstMap *ebpf.MapSpec `ebpf:"pair_original_dst_map"`
RedirParamsMap *ebpf.MapSpec `ebpf:"redir_params_map"`
}
// bpfObjects contains all objects after they have been loaded into the kernel.
//
// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
type bpfObjects struct {
bpfPrograms
bpfMaps
}
func (o *bpfObjects) Close() error {
return _BpfClose(
&o.bpfPrograms,
&o.bpfMaps,
)
}
// bpfMaps contains all maps after they have been loaded into the kernel.
//
// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
type bpfMaps struct {
PairOriginalDstMap *ebpf.Map `ebpf:"pair_original_dst_map"`
RedirParamsMap *ebpf.Map `ebpf:"redir_params_map"`
}
func (m *bpfMaps) Close() error {
return _BpfClose(
m.PairOriginalDstMap,
m.RedirParamsMap,
)
}
// bpfPrograms contains all programs after they have been loaded into the kernel.
//
// It can be passed to loadBpfObjects or ebpf.CollectionSpec.LoadAndAssign.
type bpfPrograms struct {
TcRedirEgressFunc *ebpf.Program `ebpf:"tc_redir_egress_func"`
TcRedirIngressFunc *ebpf.Program `ebpf:"tc_redir_ingress_func"`
}
func (p *bpfPrograms) Close() error {
return _BpfClose(
p.TcRedirEgressFunc,
p.TcRedirIngressFunc,
)
}
func _BpfClose(closers ...io.Closer) error {
for _, closer := range closers {
if err := closer.Close(); err != nil {
return err
}
}
return nil
}
// Do not access this directly.
//go:embed bpf_bpfel.o
var _BpfBytes []byte