Leaked source code of windows server 2003
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/*******************************************************************//* Copyright(c) 1993 Microsoft Corporation *//*******************************************************************/
//***
//
// Filename: packet.h
//
// Description: Contains general definitions for the ipx and rip packets
//
// Author: Stefan Solomon (stefans) October 4, 1993.
//
// Revision History:
//
//***
#ifndef _PACKET_
#define _PACKET_
//*** Socket Numbers
#define IPX_RIP_SOCKET (USHORT)0x453
//*** Packet Types
#define IPX_RIP_TYPE 1 // RIP request/reply packet
//*** RIP Operations
#define RIP_REQUEST (USHORT)1
#define RIP_RESPONSE (USHORT)2
//*** Offsets into the IPX header
#define IPXH_HDRSIZE 30 // Size of the IPX header
#define IPXH_CHECKSUM 0 // Checksum
#define IPXH_LENGTH 2 // Length
#define IPXH_XPORTCTL 4 // Transport Control
#define IPXH_PKTTYPE 5 // Packet Type
#define IPXH_DESTADDR 6 // Dest. Address (Total)
#define IPXH_DESTNET 6 // Dest. Network Address
#define IPXH_DESTNODE 10 // Dest. Node Address
#define IPXH_DESTSOCK 16 // Dest. Socket Number
#define IPXH_SRCADDR 18 // Source Address (Total)
#define IPXH_SRCNET 18 // Source Network Address
#define IPXH_SRCNODE 22 // Source Node Address
#define IPXH_SRCSOCK 28 // Source Socket Number
#define IPX_NET_LEN 4
#define IPX_NODE_LEN 6
//*** RIP Operation Field Offset
#define RIP_OPCODE 30 // rip operation code offset
//*** Network entry structure in the RIP request/response
#define RIP_INFO 32 // first network entry offset in the rip packet
#define NE_ENTRYSIZE 8 // 4 network + 2 hops + 2 ticks
#define NE_NETNUMBER 0 // network number offset
#define NE_NROFHOPS 4 // number of hops offset
#define NE_NROFTICKS 6 // number of ticks offset
//*** maximum nr of hops for a normal packet ***
#define IPX_MAX_HOPS 16
//*** define max RIP packet size
#define RIP_PACKET_LEN 432
#define MAX_PACKET_LEN 1500
#endif
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