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33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipv4
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import (
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"net"
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"syscall"
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)
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var (
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ctlOpts = [ctlMax]ctlOpt{
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ctlTTL: {sysIP_RECVTTL, 1, marshalTTL, parseTTL},
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ctlDst: {sysIP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst},
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ctlInterface: {sysIP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface},
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}
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sockOpts = [ssoMax]sockOpt{
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ssoTOS: {sysIP_TOS, ssoTypeInt},
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ssoTTL: {sysIP_TTL, ssoTypeInt},
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ssoMulticastTTL: {sysIP_MULTICAST_TTL, ssoTypeByte},
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ssoMulticastInterface: {sysIP_MULTICAST_IF, ssoTypeInterface},
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ssoMulticastLoopback: {sysIP_MULTICAST_LOOP, ssoTypeByte},
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ssoReceiveTTL: {sysIP_RECVTTL, ssoTypeInt},
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ssoReceiveDst: {sysIP_RECVDSTADDR, ssoTypeInt},
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ssoReceiveInterface: {sysIP_RECVIF, ssoTypeInt},
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ssoHeaderPrepend: {sysIP_HDRINCL, ssoTypeInt},
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ssoJoinGroup: {sysIP_ADD_MEMBERSHIP, ssoTypeIPMreq},
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ssoLeaveGroup: {sysIP_DROP_MEMBERSHIP, ssoTypeIPMreq},
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}
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)
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