Subversion Repositories 1g_ethernet_dpi

#ifndef _ICMP_H_

#define _ICMP_H_

#ifdef __cplusplus

extern "C"

{

#endif// __cplusplus

#include "eth.h" // _packed_struct

#include "net.h"

#define  ICMP_ECHO_RESP  0   // ICMP Echo reply

#define  ICMP_ECHO_REQ   8   // ICMP Echo request

#define  ICMP_DU_DATA_VOL 8 // RFC792, page#4: 64 bits of Original Data Datagram 

#define  ICMP_PROT   1     // ICMP Protocol number on IP

// ICMP Echo request/reply header

struct _icmp_hdr {

   u8   ptype;

   u8   pcode;

   u16  pchksum;

   u16  pid;

   u16  pseq;

} _packed_struct;

typedef struct _icmp_hdr icmp_hdr_t;

// Ext:

void eth_icmp_init(net_if_t *ip_net_if);

void eth_icmp(char *iv_data);

#ifdef __cplusplus

}

#endif// __cplusplus

#endif   // _ICMP_H_