// Copyright 2016 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file.// +build !linuxpackageipv4import"golang.org/x/net/bpf"// SetBPF attaches a BPF program to the connection.//// Only supported on Linux.func(c*dgramOpt)SetBPF(filter[]bpf.RawInstruction)error{returnerrOpNoSupport}