Modules/IPStack/ipv6.h

   1 /*
   2  * Acess2 IP Stack
   3  * - IPv6 Definitions
   4  */
   5 #ifndef _IPV6_H_
   6 #define _IPV6_H_
   7
   8 #include "ipstack.h"
   9
  10 typedef struct sIPv6Header      tIPv6Header;
  11
  12 struct sIPv6Header
  13 {
  14         #if 0
  15         // High 4: Version
  16         // Next 8: Traffic Class
  17         // Low 20: Flow Label
  18         Uint32  Head;
  19         #else
  20         union {
  21                 Uint32  Head;   // Allow a ntohl to happen
  22                 struct {
  23                         unsigned Version:       4;
  24                         unsigned TrafficClass:  8;
  25                         unsigned FlowLabel:     20;
  26                 } PACKED;
  27         } PACKED;
  28         #endif
  29         Uint16  PayloadLength;
  30         Uint8   NextHeader;     // Type of payload data
  31         Uint8   HopLimit;
  32         tIPv6   Source;
  33         tIPv6   Destination;
  34         char    Data[];
  35 };
  36
  37 #define IPV6_ETHERNET_ID        0x86DD
  38
  39 extern int      IPv6_RegisterCallback(int ID, tIPCallback Callback);
  40 extern int      IPv6_SendPacket(tInterface *Iface, tIPv6 Destination, int Protocol, size_t Length, const void *Data);
  41
  42 #endif