decoders/decode_icmp.h

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#ifndef _HLBR_DECODE_ICMP_H_
#define _HLBR_DECODE_ICMP_H_

#include "../config.h"
#include "../engine/hlbr.h"
#include "decode.h"

#define ICMP_TYPE_ECHOREPLY             0
#define ICMP_TYPE_ECHO                  8

typedef struct icmp_header {
  unsigned char         type;
  unsigned char         code;
  unsigned char         checksum;
  union {
        struct {
                unsigned short  id;
                unsigned short  sequence;
        } echo;
        unsigned int    gateway;
        struct {
                unsigned short  __unused;
                unsigned short  mtu;
        } frag;
  } un;
} ICMPHdr;



typedef struct icmp_data{
        ICMPHdr*                Header;
} ICMPData;


int InitDecoderICMP();

#endif

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