flaneth

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/* flaneth - flash and ethernet - dartboard mod
 * version 0.1 date 2008-11-09
 * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
 * a BlinkenArea project - http://www.blinkenarea.org/
 */
#ifndef INC_ip
#define INC_ip
#include "ethernet.h"
// header of an IP packet
struct IpHeader
{
  unsigned char Ver_HdrLen;
  unsigned char Tos;
  unsigned int TotalLen;
  unsigned int Id;
  unsigned int FragOfs;
  unsigned char Ttl;
  unsigned char Proto;
  unsigned int HdrChk;
  unsigned char Src[4];
  unsigned char Dest[4];
};
// an IP packet
struct IpPacket
{
  struct EthernetHeader EthHdr;
  struct IpHeader IpHdr;
};
// tick procedure - call every 200ms
extern void IpTick200( void );
// process a received IP packet
extern void IpRecv( unsigned char * pData, unsigned short Length );
// send an IP packet
// pData must point to a struct IpPacket with IpHdr.Proto and IpHdr.Dest already initialized
extern void IpSend( unsigned char * pData, unsigned short Length );
// a MAC address was discovered
// called by ARP to notify IP
extern void IpGotMac( unsigned char Ip[4], unsigned char Mac[6] );
#endif // #ifdef INC_ip
 
 
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