1830 lines
61 KiB
C
1830 lines
61 KiB
C
////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (c) 1996, 1997 Microsoft Corporation
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//
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//
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// Module Name:
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// slip.c
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//
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// Abstract:
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//
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//
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// Author:
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//
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// P Porzuczek
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//
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// Environment:
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//
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// Revision History:
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//
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <wdm.h>
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#include <strmini.h>
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#include <ksmedia.h>
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#include <BdaTypes.h>
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#include <BdaMedia.h>
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#include "Slip.h"
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#include "SlipMedia.h"
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#include "SlipStream.h"
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#include "Recv.h"
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#include "Main.h"
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#include "filter.h"
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//////////////////////////////////////////////////////////////////////////////
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//
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//
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VOID
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DumpDataFormat (
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PKSDATAFORMAT pF
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);
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typedef struct _IPHeader {
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UCHAR ucIPVerLen; // Version and length.
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UCHAR ucIPTos; // Type of service.
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USHORT usLength; // Total length of datagram.
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USHORT usIPId; // Identification.
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USHORT usIPOffset; // Flags and fragment offset.
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UCHAR ucIPTtl; // Time to live.
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UCHAR ucProtocol ; // Protocol.
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USHORT usChkSum; // Header checksum.
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UCHAR ulIPSrc [4]; // Source address.
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UCHAR ulIPDst [4]; // Destination address.
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} IPHEADER, * PIPHEADER;
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//////////////////////////////////////////////////////////////////////////////
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VOID
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BuildTestIPFrame (
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PUCHAR pFrame
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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ULONG ul = 0;
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PIPHEADER pHeader = (PIPHEADER) pFrame;
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if (pFrame == NULL)
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{
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return;
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}
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//
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// Do the header part 1st
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//
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pHeader->ucIPVerLen = 0x45;
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pHeader->ucIPTos = 0x00;
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pHeader->usLength = 0x1C01;
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pHeader->usIPId = 0x980A;
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pHeader->usIPOffset = 0x0000;
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pHeader->ucIPTtl = 0x08;
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pHeader->ucProtocol = 0x11;
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pHeader->usChkSum = 0x72B6;
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pHeader->ulIPSrc [0] = 0xC0;
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pHeader->ulIPSrc [1] = 0xA8;
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pHeader->ulIPSrc [2] = 0x01;
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pHeader->ulIPSrc [3] = 0x64;
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pHeader->ulIPDst [0] = 0xE3;
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pHeader->ulIPDst [1] = 0x02;
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pHeader->ulIPDst [2] = 0x02;
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pHeader->ulIPDst [3] = 0x02;
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//
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// Do the Data Part
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//
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for (pFrame += sizeof (IPHEADER), ul = 0; ul < 0x11C; ul++)
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{
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*pFrame++ = 0x11;
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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SlipGetConnectionProperty(
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
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ULONG Id = pSPD->Property->Id; // index of the property
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ULONG ulStreamNumber = pSrb->StreamObject->StreamNumber;
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pSrb->ActualBytesTransferred = 0;
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switch (Id)
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{
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case KSPROPERTY_CONNECTION_ALLOCATORFRAMING:
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{
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PKSALLOCATOR_FRAMING Framing = (PKSALLOCATOR_FRAMING) pSPD->PropertyInfo;
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Framing->RequirementsFlags = KSALLOCATOR_REQUIREMENTF_SYSTEM_MEMORY |
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KSALLOCATOR_REQUIREMENTF_INPLACE_MODIFIER |
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KSALLOCATOR_REQUIREMENTF_PREFERENCES_ONLY;
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Framing->PoolType = NonPagedPool;
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Framing->Frames = 0;
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Framing->FrameSize = 0;
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Framing->FileAlignment = 0; // None OR FILE_QUAD_ALIGNMENT-1 OR PAGE_SIZE-1;
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Framing->Reserved = 0;
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switch (ulStreamNumber)
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{
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case SLIP_IPV4:
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Framing->Frames = 64;
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Framing->FrameSize = pStream->OpenedFormat.SampleSize;
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pSrb->Status = STATUS_SUCCESS;
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break;
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case SLIP_STREAM:
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Framing->Frames = 64;
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Framing->FrameSize = pStream->OpenedFormat.SampleSize;
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pSrb->Status = STATUS_SUCCESS;
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break;
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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pSrb->ActualBytesTransferred = sizeof (KSALLOCATOR_FRAMING);
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}
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break;
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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NTSTATUS
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SlipDriverInitialize (
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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NTSTATUS ntStatus = STATUS_SUCCESS;
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HW_INITIALIZATION_DATA HwInitData;
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UNICODE_STRING DeviceNameString;
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UNICODE_STRING SymbolicNameString;
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RtlZeroMemory(&HwInitData, sizeof(HwInitData));
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HwInitData.HwInitializationDataSize = sizeof(HwInitData);
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////////////////////////////////////////////////////////////////
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//
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// Setup the stream class dispatch table
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//
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HwInitData.HwInterrupt = NULL; // HwInterrupt is only for HW devices
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HwInitData.HwReceivePacket = CodecReceivePacket;
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HwInitData.HwCancelPacket = CodecCancelPacket;
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HwInitData.HwRequestTimeoutHandler = CodecTimeoutPacket;
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HwInitData.DeviceExtensionSize = sizeof(SLIP_FILTER);
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HwInitData.PerRequestExtensionSize = sizeof(SRB_EXTENSION);
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HwInitData.FilterInstanceExtensionSize = 0;
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HwInitData.PerStreamExtensionSize = sizeof(STREAM);
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HwInitData.BusMasterDMA = FALSE;
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HwInitData.Dma24BitAddresses = FALSE;
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HwInitData.BufferAlignment = 3;
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HwInitData.TurnOffSynchronization = TRUE;
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HwInitData.DmaBufferSize = 0;
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ntStatus = StreamClassRegisterAdapter (DriverObject, RegistryPath, &HwInitData);
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if (ntStatus != STATUS_SUCCESS)
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{
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goto ret;
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}
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ret:
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return ntStatus;
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}
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//
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//
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//////////////////////////////////////////////////////////////////////////////
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BOOLEAN
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CodecInitialize (
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IN OUT PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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NTSTATUS ntStatus = STATUS_SUCCESS;
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BOOLEAN bStatus = FALSE;
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PPORT_CONFIGURATION_INFORMATION pConfigInfo = pSrb->CommandData.ConfigInfo;
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PSLIP_FILTER pFilter = (PSLIP_FILTER) pConfigInfo->HwDeviceExtension;
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//
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// Define the default return codes
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//
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pSrb->Status = STATUS_SUCCESS;
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bStatus = TRUE;
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//
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// Initialize Statistics block
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//
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RtlZeroMemory(&pFilter->Stats, sizeof (STATS));
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//
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// Check out init flag so we don't try to init more then once. The Streaming
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// Class driver appears to call the init handler several times for some reason.
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//
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if (pFilter->bInitializationComplete)
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{
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goto ret;
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}
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if (pConfigInfo->NumberOfAccessRanges == 0)
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{
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pConfigInfo->StreamDescriptorSize = sizeof (HW_STREAM_HEADER) +
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DRIVER_STREAM_COUNT * sizeof (HW_STREAM_INFORMATION);
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}
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else
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{
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pSrb->Status = STATUS_NO_SUCH_DEVICE;
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bStatus = FALSE;
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goto ret;
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}
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//
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// Create a filter object to represent our context
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//
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pSrb->Status = CreateFilter (pConfigInfo->ClassDeviceObject->DriverObject, pConfigInfo->ClassDeviceObject, pFilter);
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if (pSrb->Status != STATUS_SUCCESS)
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{
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bStatus = FALSE;
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goto ret;
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}
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pFilter->bInitializationComplete = TRUE;
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ret:
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return (bStatus);
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}
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//////////////////////////////////////////////////////////////////////////////
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BOOLEAN
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CodecUnInitialize (
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IN OUT PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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NTSTATUS ntStatus = STATUS_SUCCESS;
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BOOLEAN bStatus = FALSE;
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PPORT_CONFIGURATION_INFORMATION pConfigInfo = pSrb->CommandData.ConfigInfo;
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PSLIP_FILTER pFilter = ((PSLIP_FILTER)pSrb->HwDeviceExtension);
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PSTREAM pStream = NULL;
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TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Codec Unitialize called\n"));
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if (pSrb->StreamObject != NULL)
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{
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pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
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}
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if (pStream)
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{
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//
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// Clean up the NAB_STREAM QUEUE used for deframing
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//
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DeleteNabStreamQueue (pFilter);
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//
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// Clean up any queues we have and complete any outstanding SRB's
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//
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while (QueueRemove (&pSrb, &pFilter->StreamUserSpinLock, &pFilter->StreamContxList))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 5Completed SRB %08X\n", pSrb));
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}
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while (QueueRemove (&pSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 6Completed SRB %08X\n", pSrb));
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}
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while (QueueRemove (&pSrb, &pFilter->StreamDataSpinLock, &pFilter->StreamDataQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 7Completed SRB %08X\n", pSrb));
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}
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while (QueueRemove (&pSrb, &pFilter->StreamControlSpinLock, &pFilter->StreamControlQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 8Completed SRB %08X\n", pSrb));
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}
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}
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while (QueueRemove (&pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassDeviceNotification (DeviceRequestComplete, pSrb->StreamObject, pSrb);
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TEST_DEBUG( TEST_DBG_RECV, ("SLIP 9Completed SRB %08X\n", pSrb));
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}
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bStatus = TRUE;
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TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Codec Unitialize completed\n"));
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return (bStatus);
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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CodecStreamInfo (
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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int j;
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PSLIP_FILTER pFilter =
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((PSLIP_FILTER)pSrb->HwDeviceExtension);
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//
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// pick up the pointer to header which preceeds the stream info structs
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//
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PHW_STREAM_HEADER pstrhdr =
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(PHW_STREAM_HEADER)&(pSrb->CommandData.StreamBuffer->StreamHeader);
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//
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// pick up the pointer to the array of stream information data structures
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//
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PHW_STREAM_INFORMATION pstrinfo =
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(PHW_STREAM_INFORMATION)&(pSrb->CommandData.StreamBuffer->StreamInfo);
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//
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// Set the header
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//
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StreamHeader.NumDevPropArrayEntries = 0;
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StreamHeader.DevicePropertiesArray = (PKSPROPERTY_SET)NULL;
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*pstrhdr = StreamHeader;
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//
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// stuff the contents of each HW_STREAM_INFORMATION struct
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//
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for (j = 0; j < DRIVER_STREAM_COUNT; j++)
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{
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*pstrinfo++ = Streams[j].hwStreamInfo;
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}
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pSrb->Status = STATUS_SUCCESS;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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STREAMAPI
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CodecCancelPacket(
|
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PHW_STREAM_REQUEST_BLOCK pSrb
|
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)
|
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
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PSLIP_FILTER pFilter = ((PSLIP_FILTER)pSrb->HwDeviceExtension);
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//
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// Check whether the SRB to cancel is in use by this stream
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//
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TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: CancelPacket Called\n"));
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CancelNabStreamSrb (pFilter, pSrb);
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if (QueueRemoveSpecific (pSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 10Completed SRB %08X\n", pSrb));
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return;
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}
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if (QueueRemoveSpecific (pSrb, &pFilter->StreamDataSpinLock, &pFilter->StreamDataQueue))
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{
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pSrb->Status = STATUS_CANCELLED;
|
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 11Completed SRB %08X\n", pSrb));
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return;
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}
|
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|
|
|
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if (QueueRemoveSpecific (pSrb, &pFilter->StreamControlSpinLock, &pFilter->StreamControlQueue))
|
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{
|
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pSrb->Status = STATUS_CANCELLED;
|
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StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 12Completed SRB %08X\n", pSrb));
|
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return;
|
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}
|
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|
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if (QueueRemoveSpecific (pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue))
|
|
{
|
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pSrb->Status = STATUS_CANCELLED;
|
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StreamClassDeviceNotification (DeviceRequestComplete, pSrb->StreamObject, pSrb);
|
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TEST_DEBUG( TEST_DBG_SRB, ("SLIP 13Completed SRB %08X\n", pSrb));
|
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return;
|
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}
|
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|
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return;
|
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}
|
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|
|
|
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//////////////////////////////////////////////////////////////////////////////
|
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VOID
|
|
STREAMAPI
|
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CodecTimeoutPacket(
|
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PHW_STREAM_REQUEST_BLOCK pSrb
|
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)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
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//
|
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// if we timeout while playing, then we need to consider this
|
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// condition an error, and reset the hardware, and reset everything
|
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// as well as cancelling this and all requests
|
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//
|
|
|
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//
|
|
// if we are not playing, and this is a CTRL request, we still
|
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// need to reset everything as well as cancelling this and all requests
|
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//
|
|
|
|
//
|
|
// if this is a data request, and the device is paused, we probably have
|
|
// run out of data buffer, and need more time, so just reset the timer,
|
|
// and let the packet continue
|
|
//
|
|
|
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TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: TimeoutPacket Called\n"));
|
|
|
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pSrb->TimeoutCounter = 0;
|
|
|
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return;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
CodecReceivePacket(
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSLIP_FILTER pFilter = ((PSLIP_FILTER)pSrb->HwDeviceExtension);
|
|
|
|
|
|
//
|
|
// Make sure queue & SL initted
|
|
//
|
|
if (!pFilter->bAdapterQueueInitialized)
|
|
{
|
|
InitializeListHead (&pFilter->AdapterSRBQueue);
|
|
KeInitializeSpinLock (&pFilter->AdapterSRBSpinLock);
|
|
pFilter->bAdapterQueueInitialized = TRUE;
|
|
}
|
|
|
|
//
|
|
// Assume success
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
QueueAdd (pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP Queuing SRB %08X\n", pSrb));
|
|
|
|
|
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while (QueueRemove( &pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue ))
|
|
{
|
|
switch (pSrb->Command)
|
|
{
|
|
|
|
case SRB_INITIALIZE_DEVICE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_INITIALIZE Command\n"));
|
|
CodecInitialize(pSrb);
|
|
break;
|
|
|
|
case SRB_UNINITIALIZE_DEVICE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_UNINITIALIZE Command\n"));
|
|
CodecUnInitialize(pSrb);
|
|
break;
|
|
|
|
case SRB_INITIALIZATION_COMPLETE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_INITIALIZE_COMPLETE Command\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case SRB_OPEN_STREAM:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_OPEN_STREAM Command\n"));
|
|
OpenStream (pSrb);
|
|
break;
|
|
|
|
case SRB_CLOSE_STREAM:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_CLOSE_STREAM Command\n"));
|
|
CloseStream (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_INFO:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_GET_STREAM_INFO Command\n"));
|
|
CodecStreamInfo (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_DATA_INTERSECTION:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_GET_DATA_INTERSECTION Command\n"));
|
|
|
|
//
|
|
// Compare our stream formats. NOTE, the compare functions sets the SRB
|
|
// status fields
|
|
//
|
|
CompareStreamFormat (pSrb);
|
|
break;
|
|
|
|
case SRB_OPEN_DEVICE_INSTANCE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_OPEN_DEVICE_INSTANCE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_CLOSE_DEVICE_INSTANCE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_CLOSE_DEVICE_INSTANCE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_UNKNOWN_DEVICE_COMMAND:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_UNKNOWN_DEVICE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_CHANGE_POWER_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_CHANGE_POWER_STATE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_GET_DEVICE_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_GET_DEVICE_PROPERTY Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_SET_DEVICE_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_SET_DEVICE_PROPERTY Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_UNKNOWN_STREAM_COMMAND:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_UNKNOWN Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_DEFAULT Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
};
|
|
|
|
|
|
//
|
|
// NOTE:
|
|
//
|
|
// All of the commands that we do, or do not understand can all be completed
|
|
// syncronously at this point, so we can use a common callback routine here.
|
|
// If any of the above commands require asyncronous processing, this will
|
|
// have to change
|
|
//
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassDeviceNotification (DeviceRequestComplete, pFilter, pSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 14Completed SRB %08X\n", pSrb));
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueAdd (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
PSRB_EXTENSION pSrbExtension;
|
|
|
|
pSrbExtension = ( PSRB_EXTENSION )pSrb->SRBExtension;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
pSrbExtension->pSrb = pSrb;
|
|
InsertTailList( pQueue, &pSrbExtension->ListEntry );
|
|
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueuePush (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
PSRB_EXTENSION pSrbExtension;
|
|
|
|
pSrbExtension = ( PSRB_EXTENSION )pSrb->SRBExtension;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
pSrbExtension->pSrb = pSrb;
|
|
InsertHeadList( pQueue, &pSrbExtension->ListEntry );
|
|
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueAddIfNotEmpty (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
PSRB_EXTENSION pSrbExtension;
|
|
BOOL bAddedSRB = FALSE;
|
|
|
|
pSrbExtension = ( PSRB_EXTENSION )pSrb->SRBExtension;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
pSrbExtension->pSrb = pSrb;
|
|
InsertTailList (pQueue, &pSrbExtension->ListEntry );
|
|
bAddedSRB = TRUE;
|
|
}
|
|
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return bAddedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueRemove (
|
|
IN OUT PHW_STREAM_REQUEST_BLOCK * pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
BOOL bRemovedSRB = FALSE;
|
|
|
|
KeAcquireSpinLock (pQueueSpinLock, &Irql);
|
|
|
|
*pSrb = (PHW_STREAM_REQUEST_BLOCK) NULL;
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
PHW_STREAM_REQUEST_BLOCK *pCurrentSrb = NULL;
|
|
PUCHAR Ptr = (PUCHAR) RemoveHeadList(pQueue);
|
|
|
|
pCurrentSrb = (PHW_STREAM_REQUEST_BLOCK *) (((PUCHAR)Ptr) + sizeof (LIST_ENTRY));
|
|
|
|
*pSrb = *pCurrentSrb;
|
|
bRemovedSRB = TRUE;
|
|
|
|
}
|
|
|
|
KeReleaseSpinLock (pQueueSpinLock, Irql);
|
|
|
|
return bRemovedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueRemoveSpecific (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
BOOL bRemovedSRB = FALSE;
|
|
PLIST_ENTRY pCurrentEntry;
|
|
PHW_STREAM_REQUEST_BLOCK * pCurrentSrb;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
pCurrentEntry = pQueue->Flink;
|
|
while ((pCurrentEntry != pQueue ) && !bRemovedSRB)
|
|
{
|
|
pCurrentSrb = (PHW_STREAM_REQUEST_BLOCK * ) ((( PUCHAR )pCurrentEntry ) + sizeof( LIST_ENTRY ));
|
|
|
|
if( *pCurrentSrb == pSrb )
|
|
{
|
|
RemoveEntryList( pCurrentEntry );
|
|
bRemovedSRB = TRUE;
|
|
}
|
|
pCurrentEntry = pCurrentEntry->Flink;
|
|
}
|
|
}
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return bRemovedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
NTSTATUS
|
|
StreamIPIndicateEvent (
|
|
PVOID pvEvent
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL
|
|
CompareGUIDsAndFormatSize(
|
|
IN PKSDATARANGE pDataRange1,
|
|
IN PKSDATARANGE pDataRange2,
|
|
BOOLEAN bCheckSize
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOL bResult = FALSE;
|
|
|
|
if ( IsEqualGUID(&pDataRange1->MajorFormat, &KSDATAFORMAT_TYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->MajorFormat, &KSDATAFORMAT_TYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->MajorFormat, &pDataRange2->MajorFormat) )
|
|
{
|
|
|
|
if ( IsEqualGUID(&pDataRange1->SubFormat, &KSDATAFORMAT_SUBTYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->SubFormat, &KSDATAFORMAT_SUBTYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->SubFormat, &pDataRange2->SubFormat) )
|
|
{
|
|
|
|
if ( IsEqualGUID(&pDataRange1->Specifier, &KSDATAFORMAT_SPECIFIER_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->Specifier, &KSDATAFORMAT_SPECIFIER_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->Specifier, &pDataRange2->Specifier) )
|
|
{
|
|
if ( !bCheckSize || pDataRange1->FormatSize == pDataRange2->FormatSize)
|
|
{
|
|
bResult = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return bResult;
|
|
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
DumpDataFormat (
|
|
PKSDATAFORMAT pF
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: DATA Format\n"));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Format Size: %08X\n", pF->FormatSize));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Flags: %08X\n", pF->Flags));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SampleSize: %08X\n", pF->SampleSize));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Reserved: %08X\n", pF->Reserved));
|
|
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Major GUID: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->MajorFormat.Data1,
|
|
pF->MajorFormat.Data2,
|
|
pF->MajorFormat.Data3,
|
|
pF->MajorFormat.Data4[0],
|
|
pF->MajorFormat.Data4[1],
|
|
pF->MajorFormat.Data4[2],
|
|
pF->MajorFormat.Data4[3],
|
|
pF->MajorFormat.Data4[4],
|
|
pF->MajorFormat.Data4[5],
|
|
pF->MajorFormat.Data4[6],
|
|
pF->MajorFormat.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Sub GUID: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->SubFormat.Data1,
|
|
pF->SubFormat.Data2,
|
|
pF->SubFormat.Data3,
|
|
pF->SubFormat.Data4[0],
|
|
pF->SubFormat.Data4[1],
|
|
pF->SubFormat.Data4[2],
|
|
pF->SubFormat.Data4[3],
|
|
pF->SubFormat.Data4[4],
|
|
pF->SubFormat.Data4[5],
|
|
pF->SubFormat.Data4[6],
|
|
pF->SubFormat.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Specifier: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->Specifier.Data1,
|
|
pF->Specifier.Data2,
|
|
pF->Specifier.Data3,
|
|
pF->Specifier.Data4[0],
|
|
pF->Specifier.Data4[1],
|
|
pF->Specifier.Data4[2],
|
|
pF->Specifier.Data4[3],
|
|
pF->Specifier.Data4[4],
|
|
pF->Specifier.Data4[5],
|
|
pF->Specifier.Data4[6],
|
|
pF->Specifier.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("\n"));
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL
|
|
CompareStreamFormat (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOL bStatus = FALSE;
|
|
PSTREAM_DATA_INTERSECT_INFO pIntersectInfo;
|
|
PKSDATARANGE pDataRange1;
|
|
PKSDATARANGE pDataRange2;
|
|
ULONG FormatSize = 0;
|
|
ULONG ulStreamNumber;
|
|
ULONG j;
|
|
ULONG ulNumberOfFormatArrayEntries;
|
|
PKSDATAFORMAT *pAvailableFormats;
|
|
|
|
|
|
pIntersectInfo = pSrb->CommandData.IntersectInfo;
|
|
ulStreamNumber = pIntersectInfo->StreamNumber;
|
|
|
|
|
|
pSrb->ActualBytesTransferred = 0;
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Comparing Stream Formats\n"));
|
|
|
|
|
|
//
|
|
// Check that the stream number is valid
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT)
|
|
{
|
|
ulNumberOfFormatArrayEntries = Streams[ulStreamNumber].hwStreamInfo.NumberOfFormatArrayEntries;
|
|
|
|
//
|
|
// Get the pointer to the array of available formats
|
|
//
|
|
pAvailableFormats = Streams[ulStreamNumber].hwStreamInfo.StreamFormatsArray;
|
|
|
|
//
|
|
// Walk the formats supported by the stream searching for a match
|
|
// of the three GUIDs which together define a DATARANGE
|
|
//
|
|
for (pDataRange1 = pIntersectInfo->DataRange, j = 0;
|
|
j < ulNumberOfFormatArrayEntries;
|
|
j++, pAvailableFormats++)
|
|
|
|
{
|
|
bStatus = FALSE;
|
|
pSrb->Status = STATUS_UNSUCCESSFUL;
|
|
|
|
pDataRange2 = *pAvailableFormats;
|
|
|
|
if (CompareGUIDsAndFormatSize (pDataRange1, pDataRange2, TRUE))
|
|
{
|
|
|
|
ULONG ulFormatSize = pDataRange2->FormatSize;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Stream Formats compare\n"));
|
|
|
|
//
|
|
// Is the caller trying to get the format, or the size of the format?
|
|
//
|
|
if (pIntersectInfo->SizeOfDataFormatBuffer == sizeof (ULONG))
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Returning Stream Format size\n"));
|
|
|
|
*(PULONG) pIntersectInfo->DataFormatBuffer = ulFormatSize;
|
|
pSrb->ActualBytesTransferred = sizeof (ULONG);
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
bStatus = TRUE;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Verify that there is enough room in the supplied buffer for the whole thing
|
|
//
|
|
pSrb->Status = STATUS_BUFFER_TOO_SMALL;
|
|
bStatus = FALSE;
|
|
|
|
if (pIntersectInfo->SizeOfDataFormatBuffer >= ulFormatSize)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Returning Stream Format\n"));
|
|
RtlCopyMemory (pIntersectInfo->DataFormatBuffer, pDataRange2, ulFormatSize);
|
|
pSrb->ActualBytesTransferred = ulFormatSize;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
bStatus = TRUE;
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Stream Format return buffer too small\n"));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Stream Formats DO NOT compare\n"));
|
|
}
|
|
}
|
|
|
|
if ( j >= ulNumberOfFormatArrayEntries )
|
|
{
|
|
pSrb->ActualBytesTransferred = 0;
|
|
pSrb->Status = STATUS_UNSUCCESSFUL;
|
|
bStatus = FALSE;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->ActualBytesTransferred = 0;
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
bStatus = FALSE;
|
|
}
|
|
|
|
return bStatus;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
CloseStream (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
//
|
|
// the stream extension structure is allocated by the stream class driver
|
|
//
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
PSLIP_FILTER pFilter = (PSLIP_FILTER)pSrb->HwDeviceExtension;
|
|
ULONG ulStreamNumber = (ULONG) pSrb->StreamObject->StreamNumber;
|
|
ULONG ulStreamInstance = pStream->ulStreamInstance;
|
|
PHW_STREAM_REQUEST_BLOCK pCurrentSrb = NULL;
|
|
|
|
//
|
|
// check that the stream index requested isn't too high
|
|
// or that the maximum number of instances hasn't been exceeded
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT )
|
|
{
|
|
//
|
|
// Flush the stream data queue
|
|
//
|
|
while (QueueRemove( &pCurrentSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification( StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 15Completed SRB %08X\n", pCurrentSrb));
|
|
}
|
|
|
|
//
|
|
// Flush the stream data queue
|
|
//
|
|
while (QueueRemove( &pCurrentSrb, &pFilter->StreamDataSpinLock, &pFilter->StreamDataQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification( StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 16Completed SRB %08X\n", pCurrentSrb));
|
|
}
|
|
|
|
//
|
|
// Flush the stream control queue
|
|
//
|
|
while (QueueRemove( &pCurrentSrb, &pFilter->StreamControlSpinLock, &pFilter->StreamControlQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 17Completed SRB %08X\n", pCurrentSrb));
|
|
}
|
|
|
|
//
|
|
// Clear this streams spot in the filters stream array
|
|
//
|
|
pFilter->pStream[ulStreamNumber][ulStreamInstance] = NULL;
|
|
|
|
//
|
|
// decrement the stream instance count for this filter
|
|
//
|
|
pFilter->ulActualInstances[ulStreamNumber]--;
|
|
|
|
//
|
|
// Indicate the clock support available on this stream
|
|
//
|
|
//pSrb->StreamObject->HwClockObject = 0;
|
|
|
|
//
|
|
// Reset the stream state to stopped
|
|
//
|
|
pStream->KSState = KSSTATE_STOP;
|
|
|
|
//
|
|
//
|
|
//
|
|
pStream->hMasterClock = NULL;
|
|
|
|
//
|
|
// Reset the stream extension blob
|
|
//
|
|
RtlZeroMemory(pStream, sizeof (STREAM));
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
OpenStream (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
//
|
|
// the stream extension structure is allocated by the stream class driver
|
|
//
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
PSLIP_FILTER pFilter = ((PSLIP_FILTER)pSrb->HwDeviceExtension);
|
|
ULONG ulStreamNumber = (ULONG) pSrb->StreamObject->StreamNumber;
|
|
PKSDATAFORMAT pKSDataFormat = (PKSDATAFORMAT)pSrb->CommandData.OpenFormat;
|
|
|
|
//
|
|
// Initialize the stream extension blob
|
|
//
|
|
//RtlZeroMemory(pStream, sizeof (STREAM));
|
|
|
|
//
|
|
// Initialize stream state
|
|
//
|
|
//pStream->KSState = KSSTATE_STOP;
|
|
|
|
//
|
|
// Initialize the next stream life check time.
|
|
//
|
|
KeQuerySystemTime( &pFilter->liLastTimeChecked );
|
|
|
|
//
|
|
// Initialize stats dump time
|
|
//
|
|
KeQuerySystemTime( &pFilter->liLastTimeStatsDumped );
|
|
|
|
//
|
|
// check that the stream index requested isn't too high
|
|
// or that the maximum number of instances hasn't been exceeded
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT )
|
|
{
|
|
ULONG ulStreamInstance;
|
|
ULONG ulMaxInstances = Streams[ulStreamNumber].hwStreamInfo.NumberOfPossibleInstances;
|
|
|
|
//
|
|
// Search for next open slot
|
|
//
|
|
for (ulStreamInstance = 0; ulStreamInstance < ulMaxInstances; ++ulStreamInstance)
|
|
{
|
|
if (pFilter->pStream[ulStreamNumber][ulStreamInstance] == NULL)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ulStreamInstance < ulMaxInstances)
|
|
{
|
|
if (VerifyFormat(pKSDataFormat, ulStreamNumber, &pStream->MatchedFormat))
|
|
{
|
|
//
|
|
// Initialize Data queues and SpinLocks
|
|
//
|
|
InitializeListHead(&pFilter->StreamControlQueue);
|
|
KeInitializeSpinLock(&pFilter->StreamControlSpinLock);
|
|
|
|
InitializeListHead(&pFilter->StreamDataQueue);
|
|
KeInitializeSpinLock(&pFilter->StreamDataSpinLock);
|
|
|
|
InitializeListHead(&pFilter->IpV4StreamDataQueue);
|
|
KeInitializeSpinLock(&pFilter->IpV4StreamDataSpinLock);
|
|
|
|
InitializeListHead(&pFilter->StreamContxList);
|
|
KeInitializeSpinLock(&pFilter->StreamUserSpinLock);
|
|
|
|
|
|
//
|
|
// Maintain an array of all the StreamEx structures in the HwDevExt
|
|
// so that we can reference IRPs from any stream
|
|
//
|
|
pFilter->pStream[ulStreamNumber][ulStreamInstance] = pStream;
|
|
|
|
//
|
|
// Save the Stream Format in the Stream Extension as well.
|
|
//
|
|
pStream->OpenedFormat = *pKSDataFormat;
|
|
|
|
//
|
|
// Set up pointers to the handlers for the stream data and control handlers
|
|
//
|
|
pSrb->StreamObject->ReceiveDataPacket =
|
|
(PVOID) Streams[ulStreamNumber].hwStreamObject.ReceiveDataPacket;
|
|
pSrb->StreamObject->ReceiveControlPacket =
|
|
(PVOID) Streams[ulStreamNumber].hwStreamObject.ReceiveControlPacket;
|
|
|
|
//
|
|
// The DMA flag must be set when the device will be performing DMA directly
|
|
// to the data buffer addresses passed in to the ReceiveDataPacket routines.
|
|
//
|
|
pSrb->StreamObject->Dma = Streams[ulStreamNumber].hwStreamObject.Dma;
|
|
|
|
//
|
|
// The PIO flag must be set when the mini driver will be accessing the data
|
|
// buffers passed in using logical addressing
|
|
//
|
|
pSrb->StreamObject->Pio = Streams[ulStreamNumber].hwStreamObject.Pio;
|
|
|
|
pSrb->StreamObject->Allocator = Streams[ulStreamNumber].hwStreamObject.Allocator;
|
|
|
|
//
|
|
// How many extra bytes will be passed up from the driver for each frame?
|
|
//
|
|
pSrb->StreamObject->StreamHeaderMediaSpecific =
|
|
Streams[ulStreamNumber].hwStreamObject.StreamHeaderMediaSpecific;
|
|
|
|
pSrb->StreamObject->StreamHeaderWorkspace =
|
|
Streams[ulStreamNumber].hwStreamObject.StreamHeaderWorkspace;
|
|
|
|
//
|
|
// Indicate the clock support available on this stream
|
|
//
|
|
pSrb->StreamObject->HwClockObject =
|
|
Streams[ulStreamNumber].hwStreamObject.HwClockObject;
|
|
|
|
//
|
|
// Increment the instance count on this stream
|
|
//
|
|
pStream->ulStreamInstance = ulStreamInstance;
|
|
pFilter->ulActualInstances[ulStreamNumber]++;
|
|
|
|
|
|
//
|
|
// Retain a private copy of the HwDevExt and StreamObject in the stream extension
|
|
// so we can use a timer
|
|
//
|
|
pStream->pFilter = pFilter; // For timer use
|
|
pStream->pStreamObject = pSrb->StreamObject; // For timer use
|
|
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN
|
|
VerifyFormat(
|
|
IN KSDATAFORMAT *pKSDataFormat,
|
|
UINT StreamNumber,
|
|
PKSDATARANGE pMatchedFormat
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOLEAN bResult = FALSE;
|
|
ULONG FormatCount = 0;
|
|
PKS_DATARANGE_VIDEO pThisFormat = NULL;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Verify Format\n"));
|
|
|
|
for (FormatCount = 0; !bResult && FormatCount < Streams[StreamNumber].hwStreamInfo.NumberOfFormatArrayEntries;
|
|
FormatCount++ )
|
|
{
|
|
|
|
|
|
pThisFormat = (PKS_DATARANGE_VIDEO) Streams [StreamNumber].hwStreamInfo.StreamFormatsArray [FormatCount];
|
|
|
|
if (CompareGUIDsAndFormatSize( pKSDataFormat, &pThisFormat->DataRange, FALSE ) )
|
|
{
|
|
bResult = FALSE;
|
|
|
|
if (pThisFormat->DataRange.SampleSize >= pKSDataFormat->SampleSize)
|
|
{
|
|
bResult = TRUE;
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: VerifyFormat: Data range Sample Sizes don't match\n"));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bResult == TRUE && pMatchedFormat)
|
|
{
|
|
*pMatchedFormat = pThisFormat->DataRange;
|
|
}
|
|
|
|
return bResult;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
ReceiveDataPacket (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSLIP_FILTER pFilter = (PSLIP_FILTER) pSrb->HwDeviceExtension;
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
int iStream = (int) pSrb->StreamObject->StreamNumber;
|
|
PKSSTREAM_HEADER pStreamHdr = pSrb->CommandData.DataBufferArray;
|
|
PKSDATAFORMAT pKSDataFormat = (PKSDATAFORMAT) &pStream->MatchedFormat;
|
|
ULONG ul = 0;
|
|
PHW_STREAM_REQUEST_BLOCK pSrbIPv4 = NULL;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called\n"));
|
|
|
|
//
|
|
// Default to success, disable timeouts
|
|
//
|
|
pSrb->TimeoutCounter = 0;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// Check for last buffer
|
|
//
|
|
if (pStreamHdr->OptionsFlags & KSSTREAM_HEADER_OPTIONSF_ENDOFSTREAM)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet is LAST PACKET\n"));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP: Completed SRB %08X\n", pSrb));
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
if (pStreamHdr->OptionsFlags != 0)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: OptionsFlags: %08X\n", pStreamHdr->OptionsFlags));
|
|
}
|
|
|
|
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
switch (pSrb->Command)
|
|
{
|
|
case SRB_WRITE_DATA:
|
|
|
|
if (pStream->KSState == KSSTATE_STOP)
|
|
{
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_WRITE STOP SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Update the total number of packets written statistic
|
|
//
|
|
pFilter->Stats.ulTotalDataSRBWrites += 1;
|
|
|
|
|
|
//
|
|
// Handle data input, output requests differently.
|
|
//
|
|
switch (iStream)
|
|
{
|
|
//
|
|
// Frame input stream
|
|
//
|
|
case SLIP_STREAM:
|
|
{
|
|
ULONG ulBuffers = pSrb->NumberOfBuffers;
|
|
PKSSTREAM_HEADER pIPV4StreamHdr = NULL;
|
|
PNABTSFEC_BUFFER pNabData = NULL;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler - SRB_WRITE - SLIP_STREAM, Processing pSrb: %08X\n", pSrb));
|
|
|
|
//
|
|
// Initialize SRB Status to success
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// Process each chained buffer of data in the SRB
|
|
//
|
|
for (ul = 0; ul < ulBuffers; ul++, pStreamHdr++)
|
|
{
|
|
if (pStreamHdr)
|
|
{
|
|
//
|
|
// Update stats for IP Stream count
|
|
//
|
|
pFilter->Stats.ulTotalSlipBuffersReceived += 1;
|
|
pFilter->Stats.ulTotalSlipBytesReceived += pStreamHdr->DataUsed;
|
|
|
|
pNabData = (PNABTSFEC_BUFFER) pStreamHdr->Data;
|
|
|
|
if (pNabData && pStreamHdr->DataUsed > 0)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_WRITE_DATA, ("SLIP: NAB_DATA[%d]....dataSize: %d groupID: %d\n",
|
|
ul,
|
|
pNabData->dataSize,
|
|
pNabData->groupID ));
|
|
ASSERT(pNabData->dataSize <= sizeof(pNabData->data));
|
|
|
|
if ((pSrb->Status = ntNabtsRecv (pFilter, pNabData)) != STATUS_SUCCESS)
|
|
{
|
|
//
|
|
// Something went wrong processing the data (such as running
|
|
// out of output buffers). We'll just complete the input SRB
|
|
// and lose the data. We'll return a successful status to make sure the
|
|
// graph can continue to run. Basically this error amounts to the SRB
|
|
// being tossed out and never processed (ie. a Data Loss).
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
pFilter->bDiscontinuity = TRUE;
|
|
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pFilter->Stats.ulTotalSlipZeroLengthBuffers += 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
}
|
|
break;
|
|
|
|
//
|
|
// Other "unknown" streams are not valid and will be rejected.
|
|
//
|
|
case SLIP_NET_CONTROL:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - SRB_WRITE - STREAM_NET_CONTROL\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
|
|
//
|
|
// Update stats for Net packet count
|
|
//
|
|
pFilter->Stats.ulTotalBadPinSRBWrites += 1;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SLIP_NET_CONTROL SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - SRB_WRITE - Default\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
|
|
//
|
|
// Update stats for Unkown packet count
|
|
//
|
|
pFilter->Stats.ulTotalBadPinSRBWrites += 1;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: DEFAULT SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case SRB_READ_DATA:
|
|
|
|
if (pStream->KSState == KSSTATE_STOP)
|
|
{
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_READ STOP SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Update stats
|
|
//
|
|
pFilter->Stats.ulTotalDataSRBReads += 1;
|
|
|
|
switch (iStream)
|
|
{
|
|
case SLIP_NET_CONTROL:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - SRB_READ - STREAM_NET_CONTROL, Processing pSrb: %08X\n", pSrb));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SLIP_NET_CONTROL SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
//
|
|
// Update stats for Unkown packet count
|
|
//
|
|
pFilter->Stats.ulTotalBadPinSRBReads += 1;
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
case SLIP_IPV4:
|
|
{
|
|
ULONG ulBuffers = pSrb->NumberOfBuffers;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - SRB_READ - SLIP_IPV4, Processing pSrb: %08X\n", pSrb));
|
|
|
|
if (pSrb->CommandData.DataBufferArray->FrameExtent < pKSDataFormat->SampleSize)
|
|
{
|
|
pSrb->Status = STATUS_BUFFER_TOO_SMALL;
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SLIP_IPV4 SRB Buffer too small.... Status returned: %08X\n", pSrb->Status));
|
|
StreamClassStreamNotification(StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
}
|
|
else
|
|
{
|
|
|
|
//
|
|
// Take the SRB we get and queue it up. These Queued SRB's will be filled with data on a WRITE_DATA
|
|
// request, at which point they will be completed.
|
|
//
|
|
QueueAdd (pSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP Queuing IPv4 SRB %08X\n", pSrb));
|
|
|
|
|
|
//
|
|
// Since the stream state may have changed while we were adding the SRB to the queue
|
|
// we'll check it again, and cancel it if necessary
|
|
//
|
|
if (pStream->KSState == KSSTATE_STOP)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB_READ STOP SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
if (QueueRemoveSpecific (pSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - SRB_READ - Default\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: DEFAULT SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
//
|
|
// Update stats for Unkown packet count
|
|
//
|
|
pFilter->Stats.ulTotalBadPinSRBReads += 1;
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
|
|
//
|
|
// invalid / unsupported command. Fail it as such
|
|
//
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called - Unsupported Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: DEFAULT SRB Status returned: %08X\n", pSrb->Status));
|
|
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
ASSERT (FALSE);
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Data packet handler called...status: %08X\n", pSrb->Status));
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
SlipGetProperty (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
if (IsEqualGUID (&KSPROPSETID_Connection, &pSPD->Property->Set))
|
|
{
|
|
SlipGetConnectionProperty (pSrb);
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SlipGetProperty Status: %08X\n", pSrb->Status));
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
IndicateMasterClock(
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSTREAM pStream = (PSTREAM) pSrb->StreamObject->HwStreamExtension;
|
|
|
|
pStream->hClock = pSrb->CommandData.MasterClockHandle;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
ReceiveCtrlPacket(
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSLIP_FILTER pFilter = (PSLIP_FILTER) pSrb->HwDeviceExtension;
|
|
PSTREAM pStream = (PSTREAM) pSrb->StreamObject->HwStreamExtension;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler called\n"));
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
QueueAdd (pSrb, &pFilter->StreamControlSpinLock, &pFilter->StreamControlQueue);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP Queuing Control Packet SRB %08X\n", pSrb));
|
|
|
|
while (QueueRemove (&pSrb, &pFilter->StreamControlSpinLock, &pFilter->StreamControlQueue))
|
|
{
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
switch (pSrb->Command)
|
|
{
|
|
case SRB_PROPOSE_DATA_FORMAT:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Propose data format\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_SET_STREAM_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Set Stream State\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
SlipSetState (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Get Stream State\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
pSrb->CommandData.StreamState = pStream->KSState;
|
|
pSrb->ActualBytesTransferred = sizeof (KSSTATE);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Get Stream Property\n"));
|
|
SlipGetProperty(pSrb);
|
|
break;
|
|
|
|
case SRB_SET_STREAM_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Set Stream Property\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_INDICATE_MASTER_CLOCK:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Indicate Master Clock\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
IndicateMasterClock (pSrb);
|
|
break;
|
|
|
|
case SRB_SET_STREAM_RATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Set Stream Rate\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case SRB_PROPOSE_STREAM_RATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Propose Stream Rate\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Receive Control packet handler - Default case\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
}
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 29Completed SRB %08X\n", pSrb));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
SlipSetState(
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSLIP_FILTER pFilter = ((PSLIP_FILTER) pSrb->HwDeviceExtension);
|
|
PSTREAM pStream = (PSTREAM) pSrb->StreamObject->HwStreamExtension;
|
|
PHW_STREAM_REQUEST_BLOCK pCurrentSrb = NULL;
|
|
|
|
//
|
|
// For each stream, the following states are used:
|
|
//
|
|
// Stop: Absolute minimum resources are used. No outstanding IRPs.
|
|
// Acquire: KS only state that has no DirectShow correpondence
|
|
// Acquire needed resources.
|
|
// Pause: Getting ready to run. Allocate needed resources so that
|
|
// the eventual transition to Run is as fast as possible.
|
|
// Read SRBs will be queued at either the Stream class
|
|
// or in your driver (depending on when you send "ReadyForNext")
|
|
// Run: Streaming.
|
|
//
|
|
// Moving to Stop to Run always transitions through Pause.
|
|
//
|
|
// But since a client app could crash unexpectedly, drivers should handle
|
|
// the situation of having outstanding IRPs cancelled and open streams
|
|
// being closed WHILE THEY ARE STREAMING!
|
|
//
|
|
// Note that it is quite possible to transition repeatedly between states:
|
|
// Stop -> Pause -> Stop -> Pause -> Run -> Pause -> Run -> Pause -> Stop
|
|
//
|
|
switch (pSrb->CommandData.StreamState)
|
|
{
|
|
case KSSTATE_STOP:
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Set Stream State KSSTATE_STOP\n"));
|
|
|
|
//
|
|
// If transitioning to STOP state, then complete any outstanding IRPs
|
|
//
|
|
while (QueueRemove(&pCurrentSrb, &pFilter->IpV4StreamDataSpinLock, &pFilter->IpV4StreamDataQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
pCurrentSrb->CommandData.DataBufferArray->DataUsed = 0;
|
|
|
|
StreamClassStreamNotification(StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
TEST_DEBUG( TEST_DBG_SRB, ("SLIP 30Completed SRB %08X\n", pCurrentSrb));
|
|
}
|
|
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
|
|
case KSSTATE_ACQUIRE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Set Stream State KSSTATE_ACQUIRE\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case KSSTATE_PAUSE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Set Stream State KSSTATE_PAUSE\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case KSSTATE_RUN:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("SLIP: Set Stream State KSSTATE_RUN\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
} // end switch (pSrb->CommandData.StreamState)
|
|
|
|
return;
|
|
}
|
|
|