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syscalls: omit AttachType field in haveProgAttach #652

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merged 1 commit into from May 3, 2022
+8 −4
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syscalls: omit AttachType field in haveProgAttach #652

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5 changes: 2 additions & 3 deletions link/syscalls.go
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Expand Up @@ -27,9 +27,8 @@ const (

var haveProgAttach = internal.FeatureTest("BPF_PROG_ATTACH", "4.10", func() error {
prog, err := ebpf.NewProgram(&ebpf.ProgramSpec{
Type: ebpf.CGroupSKB,
AttachType: ebpf.AttachCGroupInetIngress,
License: "MIT",
Type: ebpf.CGroupSKB,
License: "MIT",
Instructions: asm.Instructions{
asm.Mov.Imm(asm.R0, 0),
asm.Return(),
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7 changes: 6 additions & 1 deletion prog.go
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Expand Up @@ -58,7 +58,12 @@ type ProgramSpec struct {
Name string

// Type determines at which hook in the kernel a program will run.
Type ProgramType
Type ProgramType

// AttachType of the program, needed to differentiate allowed context
// accesses in some newer program types like CGroupSockAddr.
//
// Available on kernels 4.17 and later.
AttachType AttachType

// Name of a kernel data structure or function to attach to. Its
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