reactos/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 #include "ndissys.h"
  11
  12
  13 /* FIXME: Possibly move this to ntddk.h */
  14 typedef struct _NETWORK_HEADER
  15 {
  16     MDL Mdl;                                /* Memory Descriptor List */
  17     struct _NETWORK_HEADER *Next;           /* Link to next NDIS buffer in pool */
  18     struct _NDIS_BUFFER_POOL *BufferPool;   /* Link to NDIS buffer pool */
  19 } NETWORK_HEADER, *PNETWORK_HEADER;
  20
  21 typedef struct _NDIS_BUFFER_POOL
  22 {
  23     KSPIN_LOCK SpinLock;
  24     PNETWORK_HEADER FreeList;
  25     NETWORK_HEADER Buffers[0];
  26 } NDIS_BUFFER_POOL, *PNDIS_BUFFER_POOL;
  27
  28 typedef struct _NDISI_PACKET_POOL {
  29   NDIS_SPIN_LOCK  SpinLock;
  30   struct _NDIS_PACKET *FreeList;
  31   UINT  PacketLength;
  32   UCHAR  Buffer[1];
  33 } NDISI_PACKET_POOL, * PNDISI_PACKET_POOL;
  34
  35 UINT CopyBufferToBufferChain(
  36     PNDIS_BUFFER DstBuffer,
  37     UINT DstOffset,
  38     PUCHAR SrcData,
  39     UINT Length);
  40
  41 UINT CopyBufferChainToBuffer(
  42     PUCHAR DstData,
  43     PNDIS_BUFFER SrcBuffer,
  44     UINT SrcOffset,
  45     UINT Length);
  46
  47 UINT CopyPacketToBuffer(
  48     PUCHAR DstData,
  49     PNDIS_PACKET SrcPacket,
  50     UINT SrcOffset,
  51     UINT Length);
  52
  53 UINT CopyPacketToBufferChain(
  54     PNDIS_BUFFER DstBuffer,
  55     UINT DstOffset,
  56     PNDIS_PACKET SrcPacket,
  57     UINT SrcOffset,
  58     UINT Length);
  59
  60 /* EOF */