github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/net/ipv6/sys_bsd.go (about) 1 // Copyright 2013 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 // +build dragonfly netbsd openbsd 6 7 package ipv6 8 9 import ( 10 "net" 11 "syscall" 12 13 "golang.org/x/net/internal/iana" 14 ) 15 16 type sysSockoptLen int32 17 18 var ( 19 ctlOpts = [ctlMax]ctlOpt{ 20 ctlTrafficClass: {sysIPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, 21 ctlHopLimit: {sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, 22 ctlPacketInfo: {sysIPV6_PKTINFO, sysSizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, 23 ctlNextHop: {sysIPV6_NEXTHOP, sysSizeofSockaddrInet6, marshalNextHop, parseNextHop}, 24 ctlPathMTU: {sysIPV6_PATHMTU, sysSizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, 25 } 26 27 sockOpts = [ssoMax]sockOpt{ 28 ssoTrafficClass: {iana.ProtocolIPv6, sysIPV6_TCLASS, ssoTypeInt}, 29 ssoHopLimit: {iana.ProtocolIPv6, sysIPV6_UNICAST_HOPS, ssoTypeInt}, 30 ssoMulticastInterface: {iana.ProtocolIPv6, sysIPV6_MULTICAST_IF, ssoTypeInterface}, 31 ssoMulticastHopLimit: {iana.ProtocolIPv6, sysIPV6_MULTICAST_HOPS, ssoTypeInt}, 32 ssoMulticastLoopback: {iana.ProtocolIPv6, sysIPV6_MULTICAST_LOOP, ssoTypeInt}, 33 ssoReceiveTrafficClass: {iana.ProtocolIPv6, sysIPV6_RECVTCLASS, ssoTypeInt}, 34 ssoReceiveHopLimit: {iana.ProtocolIPv6, sysIPV6_RECVHOPLIMIT, ssoTypeInt}, 35 ssoReceivePacketInfo: {iana.ProtocolIPv6, sysIPV6_RECVPKTINFO, ssoTypeInt}, 36 ssoReceivePathMTU: {iana.ProtocolIPv6, sysIPV6_RECVPATHMTU, ssoTypeInt}, 37 ssoPathMTU: {iana.ProtocolIPv6, sysIPV6_PATHMTU, ssoTypeMTUInfo}, 38 ssoChecksum: {iana.ProtocolIPv6, sysIPV6_CHECKSUM, ssoTypeInt}, 39 ssoICMPFilter: {iana.ProtocolIPv6ICMP, sysICMP6_FILTER, ssoTypeICMPFilter}, 40 ssoJoinGroup: {iana.ProtocolIPv6, sysIPV6_JOIN_GROUP, ssoTypeIPMreq}, 41 ssoLeaveGroup: {iana.ProtocolIPv6, sysIPV6_LEAVE_GROUP, ssoTypeIPMreq}, 42 } 43 ) 44 45 func (sa *sysSockaddrInet6) setSockaddr(ip net.IP, i int) { 46 sa.Len = sysSizeofSockaddrInet6 47 sa.Family = syscall.AF_INET6 48 copy(sa.Addr[:], ip) 49 sa.Scope_id = uint32(i) 50 } 51 52 func (pi *sysInet6Pktinfo) setIfindex(i int) { 53 pi.Ifindex = uint32(i) 54 } 55 56 func (mreq *sysIPv6Mreq) setIfindex(i int) { 57 mreq.Interface = uint32(i) 58 }