sys_bsd.go 2.7 KB

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  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. // +build dragonfly netbsd openbsd
  5. package ipv6
  6. import (
  7. "net"
  8. "syscall"
  9. "golang.org/x/net/internal/iana"
  10. "golang.org/x/net/internal/socket"
  11. )
  12. var (
  13. ctlOpts = [ctlMax]ctlOpt{
  14. ctlTrafficClass: {sysIPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass},
  15. ctlHopLimit: {sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
  16. ctlPacketInfo: {sysIPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
  17. ctlNextHop: {sysIPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop},
  18. ctlPathMTU: {sysIPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
  19. }
  20. sockOpts = map[int]*sockOpt{
  21. ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_TCLASS, Len: 4}},
  22. ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_UNICAST_HOPS, Len: 4}},
  23. ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_IF, Len: 4}},
  24. ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_HOPS, Len: 4}},
  25. ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_LOOP, Len: 4}},
  26. ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVTCLASS, Len: 4}},
  27. ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVHOPLIMIT, Len: 4}},
  28. ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPKTINFO, Len: 4}},
  29. ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPATHMTU, Len: 4}},
  30. ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}},
  31. ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_CHECKSUM, Len: 4}},
  32. ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: sysICMP6_FILTER, Len: sizeofICMPv6Filter}},
  33. ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
  34. ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq},
  35. }
  36. )
  37. func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
  38. sa.Len = sizeofSockaddrInet6
  39. sa.Family = syscall.AF_INET6
  40. copy(sa.Addr[:], ip)
  41. sa.Scope_id = uint32(i)
  42. }
  43. func (pi *inet6Pktinfo) setIfindex(i int) {
  44. pi.Ifindex = uint32(i)
  45. }
  46. func (mreq *ipv6Mreq) setIfindex(i int) {
  47. mreq.Interface = uint32(i)
  48. }