icmpv6.h

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#ifndef _ICMPV6_H
#define _ICMPV6_H
 
//Dependencies
#include "core/net.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
 
typedef enum
{
   ICMPV6_TYPE_DEST_UNREACHABLE             = 1,
   ICMPV6_TYPE_PACKET_TOO_BIG               = 2,
   ICMPV6_TYPE_TIME_EXCEEDED                = 3,
   ICMPV6_TYPE_PARAM_PROBLEM                = 4,
   ICMPV6_TYPE_ECHO_REQUEST                 = 128,
   ICMPV6_TYPE_ECHO_REPLY                   = 129,
   ICMPV6_TYPE_MULTICAST_LISTENER_QUERY     = 130,
   ICMPV6_TYPE_MULTICAST_LISTENER_REPORT_V1 = 131,
   ICMPV6_TYPE_MULTICAST_LISTENER_DONE_V1   = 132,
   ICMPV6_TYPE_ROUTER_SOL                   = 133,
   ICMPV6_TYPE_ROUTER_ADV                   = 134,
   ICMPV6_TYPE_NEIGHBOR_SOL                 = 135,
   ICMPV6_TYPE_NEIGHBOR_ADV                 = 136,
   ICMPV6_TYPE_REDIRECT                     = 137,
   ICMPV6_TYPE_MULTICAST_LISTENER_REPORT_V2 = 143
} Icmpv6Type;
 
 
typedef enum
{
   ICMPV6_CODE_NO_ROUTE_TO_DEST         = 0,
   ICMPV6_CODE_ADMIN_PROHIBITED         = 1,
   ICMPV6_CODE_BEYOND_SCOPE_OF_SRC_ADDR = 2,
   ICMPV6_CODE_ADDR_UNREACHABLE         = 3,
   ICMPV6_CODE_PORT_UNREACHABLE         = 4
} Icmpv6DestUnreachableCode;
 
 
typedef enum
{
   ICMPV6_CODE_HOP_LIMIT_EXCEEDED       = 0,
   ICMPV6_CODE_REASSEMBLY_TIME_EXCEEDED = 1
} Icmpv6TimeExceededCode;
 
 
typedef enum
{
   ICMPV6_CODE_INVALID_HEADER_FIELD = 0,
   ICMPV6_CODE_UNKNOWN_NEXT_HEADER  = 1,
   ICMPV6_CODE_UNKNOWN_IPV6_OPTION  = 2
} Icmpv6ParamProblemCode;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(push, 1)
#endif
 
 
typedef __packed_struct
{
   uint8_t type;      //0
   uint8_t code;      //1
   uint16_t checksum; //2-3
   uint8_t data[];    //4
} Icmpv6Header;
 
 
typedef __packed_struct
{
   uint8_t type;       //0
   uint8_t code;       //1
   uint16_t checksum;  //2-3
   uint32_t parameter; //4-7
   uint8_t data[];     //8
} Icmpv6ErrorMessage;
 
 
typedef __packed_struct
{
   uint8_t type;      //0
   uint8_t code;      //1
   uint16_t checksum; //2-3
   uint32_t unused;   //4-7
   uint8_t data[];    //8
} Icmpv6DestUnreachableMessage;
 
 
typedef __packed_struct
{
   uint8_t type;      //0
   uint8_t code;      //1
   uint16_t checksum; //2-3
   uint32_t mtu;      //4-7
   uint8_t data[];    //8
} Icmpv6PacketTooBigMessage;
 
 
typedef __packed_struct
{
   uint8_t type;      //0
   uint8_t code;      //1
   uint16_t checksum; //2-3
   uint32_t unused;   //4-7
   uint8_t data[];    //8
} Icmpv6TimeExceededMessage;
 
 
typedef __packed_struct
{
   uint8_t type;      //0
   uint8_t code;      //1
   uint16_t checksum; //2-3
   uint32_t pointer;  //4-7
   uint8_t data[];    //8
} Icmpv6ParamProblemMessage;
 
 
typedef __packed_struct
{
   uint8_t type;            //0
   uint8_t code;            //1
   uint16_t checksum;       //2-3
   uint16_t identifier;     //4-6
   uint16_t sequenceNumber; //7-8
   uint8_t data[];          //8
} Icmpv6EchoMessage;
 
 
//CodeWarrior or Win32 compiler?
#if defined(__CWCC__) || defined(_WIN32)
   #pragma pack(pop)
#endif
 
//ICMPv6 related functions
error_t icmpv6EnableEchoRequests(NetInterface *interface, bool_t enable);
 
error_t icmpv6EnableMulticastEchoRequests(NetInterface *interface,
   bool_t enable);
 
void icmpv6ProcessMessage(NetInterface *interface,
   const Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer,
   size_t offset, uint8_t hopLimit);
 
void icmpv6ProcessDestUnreachable(NetInterface *interface,
   const Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer,
   size_t offset);
 
void icmpv6ProcessPacketTooBig(NetInterface *interface,
   const Ipv6PseudoHeader *pseudoHeader, const NetBuffer *buffer,
   size_t offset);
 
void icmpv6ProcessEchoRequest(NetInterface *interface,
   const Ipv6PseudoHeader *requestPseudoHeader, const NetBuffer *request,
   size_t requestOffset);
 
error_t icmpv6SendErrorMessage(NetInterface *interface, uint8_t type,
   uint8_t code, uint32_t parameter, const NetBuffer *ipPacket,
   size_t ipPacketOffset);
 
void icmpv6DumpMessage(const Icmpv6Header *message);
void icmpv6DumpDestUnreachableMessage(const Icmpv6DestUnreachableMessage *message);
void icmpv6DumpPacketTooBigMessage(const Icmpv6PacketTooBigMessage *message);
void icmpv6DumpEchoMessage(const Icmpv6EchoMessage *message);
void icmpv6DumpErrorMessage(const Icmpv6ErrorMessage *message);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif