Modules/IPStack/icmp.h

   1 /*
   2  * Acess2 IP Stack
   3  * - ICMP Handling
   4  */
   5 #ifndef _ICMP_H_
   6 #define _ICMP_H_
   7
   8 // === TYPEDEFS ===
   9 typedef struct sICMPHeader      tICMPHeader;
  10
  11 // === STRUCTURES ===
  12 struct sICMPHeader
  13 {
  14         Uint8   Type;
  15         Uint8   Code;
  16         Uint16  Checksum;
  17         Uint16  ID;
  18         Uint16  Sequence;
  19         Uint8   Data[];
  20 };
  21
  22 // === CONSTANTS ===
  23 enum eICMPTypes
  24 {
  25         ICMP_ECHOREPLY = 0,
  26         ICMP_UNREACHABLE = 3,
  27         ICMP_QUENCH = 4,
  28         ICMP_REDIRECT = 5,
  29         ICMP_ALTADDR = 6,
  30         ICMP_ECHOREQ = 8,
  31         ICMP_TRACE = 30 // Information Request
  32 };
  33
  34 #endif