Modules/IPStack/udp.h

   1 /*
   2  * Acess2 IP Stack
   3  * - UDP Definitions
   4  */
   5 #ifndef _UDP_H_
   6 #define _UDP_H_
   7
   8 #include "ipstack.h"
   9 #include "ipv4.h"
  10
  11 typedef struct sUDPHeader       tUDPHeader;
  12 typedef struct sUDPPacket       tUDPPacket;
  13 typedef struct sUDPChannel      tUDPChannel;
  14
  15 struct sUDPHeader
  16 {
  17         Uint16  SourcePort;
  18         Uint16  DestPort;
  19         Uint16  Length;
  20         Uint16  Checksum;
  21         Uint8   Data[];
  22 };
  23
  24 struct sUDPPacket
  25 {
  26         struct sUDPPacket       *Next;
  27         size_t  Length;
  28         Uint8   Data[];
  29 };
  30
  31 struct sUDPChannel
  32 {
  33         struct sUDPChannel      *Next;
  34         tInterface      *Interface;
  35         Uint16  LocalPort;
  36         union {
  37                 tIPv4   v4;
  38                 tIPv6   v6;
  39         }       RemoteAddr;
  40         Uint16  RemotePort;
  41         tVFS_Node       Node;
  42         tSpinlock       lQueue;
  43         tUDPPacket      * volatile Queue;
  44         tUDPPacket      *QueueEnd;
  45 };
  46
  47 #endif