1// Copyright 2019 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.
4
5// Added for go1.11 compatibility
6//go:build aix
7// +build aix
8
9package ipv4
10
11import (
12	"net"
13	"syscall"
14
15	"golang.org/x/net/internal/iana"
16	"golang.org/x/net/internal/socket"
17
18	"golang.org/x/sys/unix"
19)
20
21// IP_RECVIF is defined on AIX but doesn't work. IP_RECVINTERFACE must be used instead.
22const sockoptReceiveInterface = unix.IP_RECVINTERFACE
23
24var (
25	ctlOpts = [ctlMax]ctlOpt{
26		ctlTTL:       {unix.IP_RECVTTL, 1, marshalTTL, parseTTL},
27		ctlDst:       {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst},
28		ctlInterface: {unix.IP_RECVINTERFACE, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface},
29	}
30
31	sockOpts = map[int]*sockOpt{
32		ssoTOS:                {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}},
33		ssoTTL:                {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}},
34		ssoMulticastTTL:       {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}},
35		ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}},
36		ssoMulticastLoopback:  {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}},
37		ssoReceiveTTL:         {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}},
38		ssoReceiveDst:         {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}},
39		ssoReceiveInterface:   {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVINTERFACE, Len: 4}},
40		ssoHeaderPrepend:      {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}},
41		ssoJoinGroup:          {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq},
42		ssoLeaveGroup:         {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq},
43	}
44)
45