reactos/drivers/net/tcpip/include/udp.h

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS TCP/IP protocol driver
   4  * FILE:        include/udp.h
   5  * PURPOSE:     User Datagram Protocol definitions
   6  */
   7 #ifndef __UDP_H
   8 #define __UDP_H
   9
  10 #define UDP_STARTING_PORT 0x8000
  11 #define UDP_DYNAMIC_PORTS 0x8000
  12
  13 /* UDPv4 header structure */
  14 #include <pshpack1.h>
  15 typedef struct UDP_HEADER {
  16   USHORT SourcePort; /* Source port */
  17   USHORT DestPort;   /* Destination port */
  18   USHORT Length;     /* Size of header and data */
  19   USHORT Checksum;   /* Checksum of datagram */
  20 } UDP_HEADER, *PUDP_HEADER;
  21
  22 /* UDPv4 pseudo header */
  23 typedef struct UDP_PSEUDO_HEADER {
  24   ULONG SourceAddress; /* Source address */
  25   ULONG DestAddress;   /* Destination address */
  26   UCHAR Zero;          /* Reserved */
  27   UCHAR Protocol;      /* Protocol */
  28   USHORT UDPLength;    /* Size of UDP datagram */
  29 } UDP_PSEUDO_HEADER, *PUDP_PSEUDO_HEADER;
  30 #include <poppack.h>
  31
  32 typedef struct UDP_STATISTICS {
  33   ULONG InputDatagrams;
  34   ULONG NumPorts;
  35   ULONG InputErrors;
  36   ULONG OutputDatagrams;
  37   ULONG NumAddresses;
  38 } UDP_STATISTICS, *PUDP_STATISTICS;
  39
  40 extern UDP_STATISTICS UDPStats;
  41
  42 VOID UDPSend(
  43   PVOID Context,
  44   PDATAGRAM_SEND_REQUEST SendRequest);
  45
  46 NTSTATUS UDPSendDatagram(
  47     PADDRESS_FILE AddrFile,
  48     PTDI_CONNECTION_INFORMATION ConnInfo,
  49     PCHAR BufferData,
  50     ULONG DataSize,
  51     PULONG DataUsed );
  52
  53 NTSTATUS UDPReceiveDatagram(
  54     PADDRESS_FILE AddrFile,
  55     PTDI_CONNECTION_INFORMATION ConnInfo,
  56     PCHAR Buffer,
  57     ULONG ReceiveLength,
  58     ULONG ReceiveFlags,
  59     PTDI_CONNECTION_INFORMATION ReturnInfo,
  60     PULONG BytesReceived,
  61     PDATAGRAM_COMPLETION_ROUTINE Complete,
  62     PVOID Context);
  63
  64 VOID UDPReceive(
  65     PIP_INTERFACE Interface,
  66     PIP_PACKET IPPacket);
  67
  68 NTSTATUS UDPStartup(
  69   VOID);
  70
  71 NTSTATUS UDPShutdown(
  72   VOID);
  73 UINT UDPAllocatePort( UINT HintPort );
  74 VOID UDPFreePort( UINT Port );
  75
  76 #endif /* __UDP_H */
  77
  78 /* EOF */