| // Copyright 2014 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. |
| |
| //go:build netbsd || openbsd |
| // +build netbsd openbsd |
| |
| package ipv4 |
| |
| import ( |
| "net" |
| "syscall" |
| |
| "golang.org/x/net/internal/iana" |
| "golang.org/x/net/internal/socket" |
| |
| "golang.org/x/sys/unix" |
| ) |
| |
| const sockoptReceiveInterface = unix.IP_RECVIF |
| |
| var ( |
| ctlOpts = [ctlMax]ctlOpt{ |
| ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, |
| ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, |
| ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, |
| } |
| |
| sockOpts = map[int]*sockOpt{ |
| ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, |
| ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, |
| ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, |
| ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, |
| ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}}, |
| ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, |
| ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, |
| ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, |
| ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, |
| ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, |
| ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, |
| } |
| ) |