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feat: export netkit and tcx probes #1602

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feat: export netkit and tcx probes #1602

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18 changes: 18 additions & 0 deletions link/syscalls.go
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,15 @@ var haveProgQuery = internal.NewFeatureTest("BPF_PROG_QUERY", func() error {
return errors.New("syscall succeeded unexpectedly")
}, "4.15")

// HaveTCX probes the running kernel for the availability of the tcx layer.
//
// Upstream commit e420bed0250 ("bpf: Add fd-based tcx multi-prog infra with link support")
//
// See the package documentation for the meaning of the error return value.
func HaveTCX() error {
return haveTCX()
}

var haveTCX = internal.NewFeatureTest("tcx", func() error {
prog, err := ebpf.NewProgram(&ebpf.ProgramSpec{
Type: ebpf.SchedCLS,
Expand Down Expand Up @@ -164,6 +173,15 @@ var haveTCX = internal.NewFeatureTest("tcx", func() error {
return errors.New("syscall succeeded unexpectedly")
}, "6.6")

// HaveNetkit probes the running kernel for the availability of netkit devices.
//
// Upstream commit 35dfaad7188c ("netkit, bpf: Add bpf programmable net device")
//
// See the package documentation for the meaning of the error return value.
func HaveNetkit() error {
return haveNetkit()
}

var haveNetkit = internal.NewFeatureTest("netkit", func() error {
prog, err := ebpf.NewProgram(&ebpf.ProgramSpec{
Type: ebpf.SchedCLS,
Expand Down
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