308 lines
12 KiB
C
308 lines
12 KiB
C
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/***************************************************************************
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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INIT.C
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Abstract:
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Remote NDIS Miniport driver initialization code
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Environment:
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kernel mode only
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Notes:
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THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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PURPOSE.
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Copyright (c) 1999 Microsoft Corporation. All Rights Reserved.
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Revision History:
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5/13/99 : created
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Author:
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Tom Green
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****************************************************************************/
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#include "precomp.h"
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extern ULONG MsgFrameAllocs;
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/****************************************************************************/
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/* SetupSendQueues */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Set up queues for sending packets to microport */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* NDIS_STATUS */
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/* */
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/****************************************************************************/
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NDIS_STATUS
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SetupSendQueues(IN PRNDISMP_ADAPTER Adapter)
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{
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NdisInitializeNPagedLookasideList(
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&Adapter->MsgFramePool,
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NULL,
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NULL,
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0,
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sizeof(RNDISMP_MESSAGE_FRAME),
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RNDISMP_TAG_SEND_FRAME,
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0);
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Adapter->MsgFramePoolAlloced = TRUE;
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return NDIS_STATUS_SUCCESS;
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} // SetupSendQueues
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/****************************************************************************/
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/* SetupReceiveQueues */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Allocate resources for receiving packets from the microport */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* NDIS_STATUS */
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/* */
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/****************************************************************************/
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NDIS_STATUS
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SetupReceiveQueues(IN PRNDISMP_ADAPTER Adapter)
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{
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NDIS_STATUS AllocationStatus;
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UINT Index;
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TRACE2(("SetupReceiveQueues\n"));
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do
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{
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Adapter->InitialReceiveFrames = INITIAL_RECEIVE_FRAMES;
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Adapter->MaxReceiveFrames = MAX_RECEIVE_FRAMES;
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// Set up a pool of receive data frame structures
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NdisInitializeNPagedLookasideList(
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&Adapter->RcvFramePool,
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NULL,
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NULL,
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0,
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sizeof(RNDISMP_RECV_DATA_FRAME),
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RNDISMP_TAG_RECV_DATA_FRAME,
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0);
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Adapter->RcvFramePoolAlloced = TRUE;
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// Set up a pool of packets for indicating groups of packets to NDIS
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NdisAllocatePacketPoolEx(&AllocationStatus,
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&Adapter->ReceivePacketPool,
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Adapter->InitialReceiveFrames,
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Adapter->MaxReceiveFrames,
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NUM_BYTES_PROTOCOL_RESERVED_SECTION);
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if (AllocationStatus != NDIS_STATUS_SUCCESS)
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{
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TRACE2(("NdisAllocatePacketPool failed (%08X)\n", AllocationStatus));
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break;
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}
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// Set up our pool of buffer descriptors one per packet
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NdisAllocateBufferPool(&AllocationStatus,
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&Adapter->ReceiveBufferPool,
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Adapter->MaxReceiveFrames);
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if (AllocationStatus != NDIS_STATUS_SUCCESS)
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{
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TRACE2(("NdisAllocateBufferPool failed (%08X)\n", AllocationStatus));
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break;
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}
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}
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while (FALSE);
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if (AllocationStatus != NDIS_STATUS_SUCCESS)
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{
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FreeReceiveResources(Adapter);
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}
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return AllocationStatus;
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} // SetupReceiveQueues
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/****************************************************************************/
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/* AllocateTransportResources */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Allocate resources for transmit, receive, and requests */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* NDIS_STATUS */
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/* */
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/****************************************************************************/
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NDIS_STATUS
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AllocateTransportResources(IN PRNDISMP_ADAPTER Adapter)
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{
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NDIS_STATUS Status;
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TRACE2(("AllocateTransportResources\n"));
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Status = SetupSendQueues(Adapter);
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if(Status != NDIS_STATUS_SUCCESS)
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{
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goto AllocateDone;
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}
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Status = SetupReceiveQueues(Adapter);
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if(Status != NDIS_STATUS_SUCCESS)
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{
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FreeSendResources(Adapter);
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goto AllocateDone;
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}
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AllocateDone:
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return Status;
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} // AllocateTransportResources
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/****************************************************************************/
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/* FreeTransportResources */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Free up resources for transmit, receive, and requests */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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FreeTransportResources(IN PRNDISMP_ADAPTER Adapter)
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{
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TRACE2(("FreeTransportResources\n"));
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FreeSendResources(Adapter);
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FreeReceiveResources(Adapter);
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} // FreeTransportResources
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/****************************************************************************/
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/* FreeSendResources */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Free up resources for sending packets */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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FreeSendResources(IN PRNDISMP_ADAPTER Adapter)
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{
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TRACE3(("FreeSendResources\n"));
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if (Adapter->MsgFramePoolAlloced)
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{
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ASSERT(MsgFrameAllocs == 0);
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NdisDeleteNPagedLookasideList(&Adapter->MsgFramePool);
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Adapter->MsgFramePoolAlloced = FALSE;
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}
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} // FreeSendResources
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/****************************************************************************/
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/* FreeReceiveResources */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* Free up resources allocated for receiving packets */
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/* */
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/* Arguments: */
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/* */
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/* Adapter - adapter object */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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FreeReceiveResources(IN PRNDISMP_ADAPTER Adapter)
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{
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UINT Index;
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UINT Size;
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PUCHAR Buffer;
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TRACE3(("FreeReceiveResources\n"));
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// free up buffer pool
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if (Adapter->ReceiveBufferPool)
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{
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NdisFreeBufferPool(Adapter->ReceiveBufferPool);
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Adapter->ReceiveBufferPool = NULL;
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}
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// free up packet pool
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if (Adapter->ReceivePacketPool)
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{
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NdisFreePacketPool(Adapter->ReceivePacketPool);
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Adapter->ReceivePacketPool = NULL;
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}
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// delete receive data frame pool.
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if (Adapter->RcvFramePoolAlloced)
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{
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NdisDeleteNPagedLookasideList(&Adapter->RcvFramePool);
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Adapter->RcvFramePoolAlloced = FALSE;
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}
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} // FreeReceiveResources
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