1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 // +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
13 "golang.org/x/net/bpf"
14 "golang.org/x/net/internal/socket"
17 func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) {
20 return so.getIPMreqn(c)
22 return so.getMulticastIf(c)
26 func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error {
29 return so.setIPMreqn(c, ifi, nil)
31 return so.setMulticastIf(c, ifi)
35 func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) {
36 b := make([]byte, so.Len)
37 n, err := so.Get(c, b)
41 if n != sizeofICMPFilter {
42 return nil, errOpNoSupport
44 return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil
47 func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error {
48 b := (*[sizeofICMPFilter]byte)(unsafe.Pointer(f))[:sizeofICMPFilter]
52 func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error {
55 return so.setIPMreq(c, ifi, grp)
57 return so.setIPMreqn(c, ifi, grp)
59 return so.setGroupReq(c, ifi, grp)
65 func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error {
66 return so.setGroupSourceReq(c, ifi, grp, src)
69 func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error {
70 return so.setAttachFilter(c, f)