mirror of
https://github.com/Luzifer/repo-template.git
synced 2024-12-23 20:51:19 +00:00
23 lines
549 B
Go
23 lines
549 B
Go
// 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)
|
|
}
|