drivers/network/ndis/include/buffer.h

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS NDIS library
   4  * FILE:        include/buffer.h
   5  * PURPOSE:     Buffer management routine definitions
   6  */
   7
   8 #pragma once
   9
  10 /* FIXME: Possibly move this to ntddk.h */
  11 typedef struct _NETWORK_HEADER
  12 {
  13     MDL Mdl;                                /* Memory Descriptor List */
  14     struct _NETWORK_HEADER *Next;           /* Link to next NDIS buffer in pool */
  15     struct _NDIS_BUFFER_POOL *BufferPool;   /* Link to NDIS buffer pool */
  16 } NETWORK_HEADER, *PNETWORK_HEADER;
  17
  18 typedef struct _NDIS_BUFFER_POOL
  19 {
  20     KSPIN_LOCK SpinLock;
  21     PNETWORK_HEADER FreeList;
  22     NETWORK_HEADER Buffers[0];
  23 } NDIS_BUFFER_POOL, *PNDIS_BUFFER_POOL;
  24
  25 typedef struct _NDISI_PACKET_POOL {
  26   NDIS_SPIN_LOCK  SpinLock;
  27   struct _NDIS_PACKET *FreeList;
  28   UINT  PacketLength;
  29   UCHAR  Buffer[1];
  30 } NDISI_PACKET_POOL, * PNDISI_PACKET_POOL;
  31
  32 UINT CopyBufferToBufferChain(
  33     PNDIS_BUFFER DstBuffer,
  34     UINT DstOffset,
  35     PUCHAR SrcData,
  36     UINT Length);
  37
  38 UINT CopyBufferChainToBuffer(
  39     PUCHAR DstData,
  40     PNDIS_BUFFER SrcBuffer,
  41     UINT SrcOffset,
  42     UINT Length);
  43
  44 UINT CopyPacketToBuffer(
  45     PUCHAR DstData,
  46     PNDIS_PACKET SrcPacket,
  47     UINT SrcOffset,
  48     UINT Length);
  49
  50 UINT CopyPacketToBufferChain(
  51     PNDIS_BUFFER DstBuffer,
  52     UINT DstOffset,
  53     PNDIS_PACKET SrcPacket,
  54     UINT SrcOffset,
  55     UINT Length);
  56
  57 /* EOF */