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155 lines
3.8 KiB
155 lines
3.8 KiB
/*******************************************************************/
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/* Copyright(c) 1993 Microsoft Corporation */
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/*******************************************************************/
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//***
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//
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// Filename: packet.h
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//
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// Description: Contains general definitions for the ipx and ipxwan packets
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//
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// Author: Stefan Solomon (stefans) February 6, 1996.
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//
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// Revision History:
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//
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//***
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#ifndef _PACKET_
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#define _PACKET_
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// IPXWAN Packets Format:
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//
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// IPX header - fixed length
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// IPXWAN header - fixed length
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// IPXWAN option 1 - fixed length header + variable length data
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// ....
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// IPXWAN option n
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//*** Socket Numbers
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#undef IPXWAN_SOCKET
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#define IPXWAN_SOCKET (USHORT)0x9004
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//*** IPXWAN Confidence Identifier
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#define IPXWAN_CONFIDENCE_ID "WASM" // 0x5741534D
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//*** IPX Packet Exchange Type (encapsulating the IPXWAN packet)
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#define IPX_PACKET_EXCHANGE_TYPE 4
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//*** Offsets into the IPX header
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#define IPXH_HDRSIZE 30 // Size of the IPX header
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#define IPXH_CHECKSUM 0 // Checksum
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#define IPXH_LENGTH 2 // Length
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#define IPXH_XPORTCTL 4 // Transport Control
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#define IPXH_PKTTYPE 5 // Packet Type
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#define IPXH_DESTADDR 6 // Dest. Address (Total)
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#define IPXH_DESTNET 6 // Dest. Network Address
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#define IPXH_DESTNODE 10 // Dest. Node Address
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#define IPXH_DESTSOCK 16 // Dest. Socket Number
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#define IPXH_SRCADDR 18 // Source Address (Total)
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#define IPXH_SRCNET 18 // Source Network Address
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#define IPXH_SRCNODE 22 // Source Node Address
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#define IPXH_SRCSOCK 28 // Source Socket Number
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#define IPX_NET_LEN 4
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#define IPX_NODE_LEN 6
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//*** Offsets of the IPXWAN header
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#define IPXWAN_HDRSIZE 11
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#define WIDENTIFIER 0
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#define WPACKET_TYPE 4
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#define WNODE_ID 5
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#define WSEQUENCE_NUMBER 9
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#define WNUM_OPTIONS 10
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// packet types
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#define TIMER_REQUEST 0
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#define TIMER_RESPONSE 1
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#define INFORMATION_REQUEST 2
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#define INFORMATION_RESPONSE 3
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#define NAK 0xFF
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// IPXWAN option format
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//
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// IPXWAN option header - fixed length
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// IPXWAN option data - variable length
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//*** Offsets of the IPXWAN Option header
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#define OPTION_HDRSIZE 4
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#define WOPTION_NUMBER 0 // identifies a particular option, see list below
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#define WACCEPT_OPTION 1 // see below
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#define WOPTION_DATA_LEN 2 // length of the option data part
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#define WOPTION_DATA 4
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// accept option definitions
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#define NO 0
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#define YES 1
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#define NOT_APPLICABLE 3
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// option definitions
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//*** Routing Type Option ***
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#define ROUTING_TYPE_OPTION 0 // option number
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#define ROUTING_TYPE_DATA_LEN 1
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// values of the data part
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#define NUMBERED_RIP_ROUTING_TYPE 0
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#define NLSP_ROUTING_TYPE 1
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#define UNNUMBERED_RIP_ROUTING_TYPE 2
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#define ON_DEMAND_ROUTING_TYPE 3
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#define WORKSTATION_ROUTING_TYPE 4 // client-router connection
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//*** Extended Node Id Option ***
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#define EXTENDED_NODE_ID_OPTION 4
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#define EXTENDED_NODE_ID_DATA_LEN 4
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//*** RIP/SAP Info Exchange Option ***
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#define RIP_SAP_INFO_EXCHANGE_OPTION 1
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#define RIP_SAP_INFO_EXCHANGE_DATA_LEN 54
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// values
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// offsets in the data part (from the beginning of the option header)
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#define WAN_LINK_DELAY 4
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#define COMMON_NETWORK_NUMBER 6
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#define ROUTER_NAME 10
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//*** Node Number Option ***
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#define NODE_NUMBER_OPTION 5
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#define NODE_NUMBER_DATA_LEN 6
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// values
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// IPX node number to be used by the client on a client-router connection.
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//*** Pad Option ***
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#define PAD_OPTION 0xFF
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// Unsupported Options
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#define NLSP_INFORMATION_OPTION 2
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#define NLSP_RAW_THROUGHPUT_DATA_OPTION 3
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#define COMPRESSION_OPTION 0x80
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//*** Packet Lengths ***
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#define TIMER_REQUEST_PACKET_LENGTH 576
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#define MAX_IPXWAN_PACKET_LEN TIMER_REQUEST_PACKET_LENGTH
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#endif
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