feat(wireguard): WIREGUARD_GSO option to disable TUN vnet hdr batching (#3424)

internal/wireguard/offload_unspecified.go

@@ -0,0 +1,17 @@
+//go:build !linux
+
+package wireguard
+
+import (
+	"os"
+
+	"golang.zx2c4.com/wireguard/tun"
+)
+
+func createTUN(name string, mtu int, _ bool) (tun.Device, error) { //nolint:ireturn
+	return tun.CreateTUN(name, mtu)
+}
+
+func OpenTUNFile(_ string) (*os.File, error) {
+	panic("not implemented")
+}