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73 lines
2.3 KiB
73 lines
2.3 KiB
/*
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* Copyright 2017, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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// Ports
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#define PORT_BOOTP_SERVER 67
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#define PORT_BOOTP_CLIENT 68
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// Operations
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#define OP_BOOTREQUEST 1
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#define OP_BOOTREPLY 2
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// Flags
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#define FLAGS_BROADCAST 0x8000
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// Hardware address types
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#define HTYPE_ETHER 1
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// The first four bytes of options are a cookie to indicate that the payload are
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// DHCP options as opposed to some other BOOTP extension.
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#define OPT_COOKIE1 0x63
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#define OPT_COOKIE2 0x82
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#define OPT_COOKIE3 0x53
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#define OPT_COOKIE4 0x63
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// BOOTP/DHCP options - see RFC 2132
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#define OPT_PAD 0
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#define OPT_SUBNET_MASK 1 // 4 <ipaddr>
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#define OPT_TIME_OFFSET 2 // 4 <seconds>
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#define OPT_GATEWAY 3 // 4*n <ipaddr> * n
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#define OPT_DNS 6 // 4*n <ipaddr> * n
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#define OPT_DOMAIN_NAME 15 // n <domainnamestring>
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#define OPT_MTU 26 // 2 <mtu>
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#define OPT_BROADCAST_ADDR 28 // 4 <ipaddr>
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#define OPT_REQUESTED_IP 50 // 4 <ipaddr>
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#define OPT_LEASE_TIME 51 // 4 <seconds>
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#define OPT_MESSAGE_TYPE 53 // 1 <msgtype>
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#define OPT_SERVER_ID 54 // 4 <ipaddr>
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#define OPT_PARAMETER_LIST 55 // n <optcode> * n
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#define OPT_MESSAGE 56 // n <errorstring>
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#define OPT_T1 58 // 4 <renewal time value>
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#define OPT_T2 59 // 4 <rebinding time value>
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#define OPT_CLASS_ID 60 // n <opaque>
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#define OPT_CLIENT_ID 61 // n <opaque>
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#define OPT_END 255
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// DHCP message types
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#define DHCPDISCOVER 1
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#define DHCPOFFER 2
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#define DHCPREQUEST 3
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#define DHCPDECLINE 4
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#define DHCPACK 5
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#define DHCPNAK 6
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#define DHCPRELEASE 7
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#define DHCPINFORM 8
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