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package link
import (
"testing"
"github.com/cilium/ebpf"
"github.com/cilium/ebpf/internal/testutils"
)
const (
NFPROTO_IPV4 = 0x2
NF_INET_LOCAL_OUT = 0x3
)
func TestAttachNetfilter(t *testing.T) {
testutils.SkipOnOldKernel(t, "6.4", "BPF_LINK_TYPE_NETFILTER")
prog := mustLoadProgram(t, ebpf.Netfilter, ebpf.AttachNetfilter, "")
l, err := AttachNetfilter(NetfilterOptions{
Program: prog,
ProtocolFamily: NFPROTO_IPV4,
HookNumber: NF_INET_LOCAL_OUT,
Priority: -128,
})
if err != nil {
t.Fatal(err)
}
testLink(t, l, prog)
}
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