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