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| // Copyright 2017 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 linux
|
| package ipv4
|
| import (
| "unsafe"
|
| "golang.org/x/net/bpf"
| "golang.org/x/net/internal/socket"
| )
|
| func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error {
| prog := sockFProg{
| Len: uint16(len(f)),
| Filter: (*sockFilter)(unsafe.Pointer(&f[0])),
| }
| b := (*[sizeofSockFprog]byte)(unsafe.Pointer(&prog))[:sizeofSockFprog]
| return so.Set(c, b)
| }
|
|
