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- // 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.
- package ipv4
- import (
- "net"
- "syscall"
- )
- var (
- ctlOpts = [ctlMax]ctlOpt{
- ctlTTL: {sysIP_RECVTTL, 1, marshalTTL, parseTTL},
- ctlDst: {sysIP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst},
- ctlInterface: {sysIP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface},
- }
- sockOpts = [ssoMax]sockOpt{
- ssoTOS: {sysIP_TOS, ssoTypeInt},
- ssoTTL: {sysIP_TTL, ssoTypeInt},
- ssoMulticastTTL: {sysIP_MULTICAST_TTL, ssoTypeByte},
- ssoMulticastInterface: {sysIP_MULTICAST_IF, ssoTypeInterface},
- ssoMulticastLoopback: {sysIP_MULTICAST_LOOP, ssoTypeByte},
- ssoReceiveTTL: {sysIP_RECVTTL, ssoTypeInt},
- ssoReceiveDst: {sysIP_RECVDSTADDR, ssoTypeInt},
- ssoReceiveInterface: {sysIP_RECVIF, ssoTypeInt},
- ssoHeaderPrepend: {sysIP_HDRINCL, ssoTypeInt},
- ssoJoinGroup: {sysIP_ADD_MEMBERSHIP, ssoTypeIPMreq},
- ssoLeaveGroup: {sysIP_DROP_MEMBERSHIP, ssoTypeIPMreq},
- }
- )
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