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_icmp
#define INC_icmp
#include "ethernet.h"
#include "ip.h"
// header of an ICMP packet
struct IcmpHeader
{
  unsigned char Type;
  unsigned char Code;
  unsigned int Chk;
};
// an ICMP packet
struct IcmpPacket
{
  struct EthernetHeader EthHdr;
  struct IpHeader IpHdr;
  struct IcmpHeader IcmpHdr;
};
// header of an ICMP echo request/reply packet
struct IcmpEchoHeader
{
  unsigned int Id;
  unsigned int Seq;
};
// an ICMP echo request/reply packet
struct IcmpEchoPacket
{
  struct EthernetHeader EthHdr;
  struct IpHeader IpHdr;
  struct IcmpHeader IcmpHdr;
  struct IcmpEchoHeader EchoHdr;
};
// process a received ICMP packet
extern void IcmpRecv( unsigned char * pData, unsigned short Length );
#endif // #ifdef INC_icmp
 
 
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