Modules/IPStack/icmp.c

   1 /*
   2  * Acess2 IP Stack
   3  * - ICMP Handling
   4  */
   5 #include "ipstack.h"
   6 #include "ipv4.h"
   7 #include "icmp.h"
   8
   9 // === PROTOTYPES ===
  10 void    ICMP_Initialise();
  11 void    ICMP_GetPacket(tInterface *Interface, void *Address, int Length, void *Buffer);
  12
  13 // === GLOBALS ===
  14
  15 // === CODE ===
  16 /**
  17  * \fn void ICMP_Initialise()
  18  * \brief Initialise the ICMP Layer
  19  */
  20 void ICMP_Initialise()
  21 {
  22         IPv4_RegisterCallback(IP4PROT_ICMP, ICMP_GetPacket);
  23 }
  24
  25 /**
  26  * \fn void ICMP_GetPacket(tInterface *Interface, void *Address, int Length, void *Buffer)
  27  * \brief Handles a packet from the IP Layer
  28  */
  29 void ICMP_GetPacket(tInterface *Interface, void *Address, int Length, void *Buffer)
  30 {
  31         tICMPHeader     *hdr = Buffer;
  32
  33         Log("[ICMP ] hdr->Type = %i", hdr->Type);
  34         Log("[ICMP ] hdr->Code = %i", hdr->Code);
  35         Log("[ICMP ] hdr->Checksum = 0x%x", ntohs(hdr->Checksum));
  36         Log("[ICMP ] hdr->ID = 0x%x", ntohs(hdr->ID));
  37         Log("[ICMP ] hdr->Sequence = 0x%x", ntohs(hdr->Sequence));
  38 }