321 lines
9 KiB
C
321 lines
9 KiB
C
/*++
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Copyright (c) 1989 Microsoft Corporation
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Module Name:
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afddata.h
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Abstract:
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This module declares global data for AFD.
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Author:
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David Treadwell (davidtr) 21-Feb-1992
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Revision History:
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Vadim Eydelman (vadime)
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1998-1999 NT5.0 optimizations
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--*/
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#ifndef _AFDDATA_
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#define _AFDDATA_
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extern PDEVICE_OBJECT AfdDeviceObject;
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extern LIST_ENTRY AfdEndpointListHead;
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extern LIST_ENTRY AfdConstrainedEndpointListHead;
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extern LIST_ENTRY AfdPollListHead;
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extern AFD_QSPIN_LOCK AfdPollListLock;
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extern LIST_ENTRY AfdTransportInfoListHead;
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extern KEVENT AfdContextWaitEvent;
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#define AFD_CONTEXT_BUSY ((PVOID)-1)
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#define AFD_CONTEXT_WAITING ((PVOID)-2)
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extern PKPROCESS AfdSystemProcess;
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extern FAST_IO_DISPATCH AfdFastIoDispatch;
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//
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// Global data which must always be in nonpaged pool,
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// even when the driver is paged out (resource, lookaside lists).
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//
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PAFD_GLOBAL_DATA AfdGlobalData;
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#define AfdResource (&AfdGlobalData->Resource)
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#define AfdLookasideLists (AfdGlobalData)
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#define AfdAlignmentTable (AfdGlobalData->BufferAlignmentTable)
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//
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// Globals for dealing with AFD's executive worker thread.
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//
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extern LIST_ENTRY AfdWorkQueueListHead;
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extern BOOLEAN AfdWorkThreadRunning;
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extern PIO_WORKITEM AfdWorkQueueItem;
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//
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// Globals to track the buffers used by AFD.
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//
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extern ULONG AfdLargeBufferListDepth;
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#define AFD_SM_DEFAULT_LARGE_LIST_DEPTH 0
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#define AFD_MM_DEFAULT_LARGE_LIST_DEPTH 2
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#define AFD_LM_DEFAULT_LARGE_LIST_DEPTH 10
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extern ULONG AfdMediumBufferListDepth;
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#define AFD_SM_DEFAULT_MEDIUM_LIST_DEPTH 4
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#define AFD_MM_DEFAULT_MEDIUM_LIST_DEPTH 8
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#define AFD_LM_DEFAULT_MEDIUM_LIST_DEPTH 24
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extern ULONG AfdSmallBufferListDepth;
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#define AFD_SM_DEFAULT_SMALL_LIST_DEPTH 8
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#define AFD_MM_DEFAULT_SMALL_LIST_DEPTH 16
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#define AFD_LM_DEFAULT_SMALL_LIST_DEPTH 32
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extern ULONG AfdBufferTagListDepth;
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#define AFD_SM_DEFAULT_TAG_LIST_DEPTH 16
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#define AFD_MM_DEFAULT_TAG_LIST_DEPTH 32
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#define AFD_LM_DEFAULT_TAG_LIST_DEPTH 64
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extern CLONG AfdLargeBufferSize;
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// default value is AfdBufferLengthForOnePage
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extern CLONG AfdMediumBufferSize;
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#define AFD_DEFAULT_MEDIUM_BUFFER_SIZE 1504
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extern CLONG AfdSmallBufferSize;
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#define AFD_DEFAULT_SMALL_BUFFER_SIZE 128
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extern CLONG AfdBufferTagSize;
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#define AFD_DEFAULT_TAG_BUFFER_SIZE 0
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extern CLONG AfdStandardAddressLength;
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#define AFD_DEFAULT_STD_ADDRESS_LENGTH sizeof(TA_IP_ADDRESS)
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extern CLONG AfdBufferLengthForOnePage;
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extern ULONG AfdBufferAlignment;
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#define AFD_MINIMUM_BUFFER_ALIGNMENT \
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max(TYPE_ALIGNMENT(TRANSPORT_ADDRESS), \
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max(TYPE_ALIGNMENT(KAPC), \
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max(TYPE_ALIGNMENT(WORK_QUEUE_ITEM), \
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max(TYPE_ALIGNMENT(AFD_BUFFER), \
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max(TYPE_ALIGNMENT(MDL), \
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max(TYPE_ALIGNMENT(IRP), \
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MAX_NATURAL_ALIGNMENT))))))
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extern ULONG AfdAlignmentTableSize;
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extern ULONG AfdAlignmentOverhead;
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extern ULONG AfdBufferOverhead;
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//
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// Globals for tuning TransmitFile().
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//
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extern LIST_ENTRY AfdQueuedTransmitFileListHead;
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extern AFD_QSPIN_LOCK AfdQueuedTransmitFileSpinLock;
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extern ULONG AfdActiveTransmitFileCount;
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extern ULONG AfdMaxActiveTransmitFileCount;
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#define AFD_DEFAULT_MAX_ACTIVE_TRANSMIT_FILE_COUNT 2
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extern ULONG AfdDefaultTransmitWorker;
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#define AFD_DEFAULT_TRANSMIT_WORKER AFD_TF_USE_SYSTEM_THREAD
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#define AFD_MAX_FAST_TRANSPORT_ADDRESS 32
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//
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// Various pieces of configuration information, with default values.
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//
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extern CCHAR AfdIrpStackSize;
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#define AFD_DEFAULT_IRP_STACK_SIZE 4
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extern CCHAR AfdPriorityBoost;
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#define AFD_DEFAULT_PRIORITY_BOOST 2
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extern ULONG AfdFastSendDatagramThreshold;
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#define AFD_FAST_SEND_DATAGRAM_THRESHOLD 1024
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extern ULONG AfdTPacketsCopyThreshold;
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#define AFD_TPACKETS_COPY_THRESHOLD 512
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extern PVOID AfdDiscardableCodeHandle;
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extern PKEVENT AfdLoaded;
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extern AFD_WORK_ITEM AfdUnloadWorker;
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extern BOOLEAN AfdVolatileConfig;
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extern HANDLE AfdParametersNotifyHandle;
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extern WORK_QUEUE_ITEM AfdParametersNotifyWorker;
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extern PKEVENT AfdParametersUnloadEvent;
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//
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// Various globals for SAN
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//
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extern HANDLE AfdSanCodeHandle;
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extern LIST_ENTRY AfdSanHelperList;
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extern PAFD_ENDPOINT AfdSanServiceHelper;
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extern HANDLE AfdSanServicePid;
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extern POBJECT_TYPE IoCompletionObjectType;
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extern LONG AfdSanProviderListSeqNum;
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extern CLONG AfdReceiveWindowSize;
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#define AFD_LM_DEFAULT_RECEIVE_WINDOW 8192
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#define AFD_MM_DEFAULT_RECEIVE_WINDOW 8192
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#define AFD_SM_DEFAULT_RECEIVE_WINDOW 4096
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extern CLONG AfdSendWindowSize;
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#define AFD_LM_DEFAULT_SEND_WINDOW 8192
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#define AFD_MM_DEFAULT_SEND_WINDOW 8192
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#define AFD_SM_DEFAULT_SEND_WINDOW 4096
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extern CLONG AfdBufferMultiplier;
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#define AFD_DEFAULT_BUFFER_MULTIPLIER 4
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extern CLONG AfdTransmitIoLength;
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#define AFD_LM_DEFAULT_TRANSMIT_IO_LENGTH 65536
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#define AFD_MM_DEFAULT_TRANSMIT_IO_LENGTH (PAGE_SIZE*2)
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#define AFD_SM_DEFAULT_TRANSMIT_IO_LENGTH PAGE_SIZE
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extern CLONG AfdMaxFastTransmit;
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#define AFD_DEFAULT_MAX_FAST_TRANSMIT 65536
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extern CLONG AfdMaxFastCopyTransmit;
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#define AFD_DEFAULT_MAX_FAST_COPY_TRANSMIT 128
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extern ULONG AfdEndpointsOpened;
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extern ULONG AfdEndpointsCleanedUp;
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extern ULONG AfdEndpointsClosed;
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#define AFD_ENDPOINTS_FREEING_MAX 10
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extern ULONG AfdEndpointsFreeing;
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#define AFD_CONNECTIONS_FREEING_MAX 10
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extern ULONG AfdConnectionsFreeing;
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extern BOOLEAN AfdIgnorePushBitOnReceives;
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extern BOOLEAN AfdEnableDynamicBacklog;
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#define AFD_DEFAULT_ENABLE_DYNAMIC_BACKLOG FALSE
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extern LONG AfdMinimumDynamicBacklog;
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#define AFD_DEFAULT_MINIMUM_DYNAMIC_BACKLOG 0
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extern LONG AfdMaximumDynamicBacklog;
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#define AFD_DEFAULT_MAXIMUM_DYNAMIC_BACKLOG 0
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extern LONG AfdDynamicBacklogGrowthDelta;
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#define AFD_DEFAULT_DYNAMIC_BACKLOG_GROWTH_DELTA 0
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// Maximum number of free connections that we keep
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// on listening endpoint. This is not the same as a backlog,
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// it is just a policy on connection object reuse via AcceptEx
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// We stop reusing if we have that many free objects in the list
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// Currently the main reason for this limit is the ability to use the
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// SLists which have USHORT for item count.
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#define AFD_MAXIMUM_FREE_CONNECTIONS 32767
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//
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// These are limits on backlog in AFD_START_LISTEN
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// Application can work around this limit by posting AcceptEx(-s)
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//
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#define AFD_MAXIMUM_BACKLOG_NTS 200
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#define AFD_MAXIMUM_BACKLOG_NTW 5
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#define AFD_MINIMUM_BACKLOG 1
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extern BOOLEAN AfdDisableRawSecurity;
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extern PSECURITY_DESCRIPTOR AfdAdminSecurityDescriptor;
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extern BOOLEAN AfdDontShareAddresses;
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extern BOOLEAN AfdDisableDirectSuperAccept;
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extern BOOLEAN AfdDisableChainedReceive;
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#ifdef TDI_SERVICE_SEND_AND_DISCONNECT
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extern BOOLEAN AfdUseTdiSendAndDisconnect;
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#endif //TDI_SERVICE_SEND_AND_DISCONNECT
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#define AFD_MINIMUM_TPINFO_ELEMENT_COUNT 3 // For transmit file compatibility.
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extern ULONG AfdDefaultTpInfoElementCount;
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//
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// Data for transport address lists and queued change queries
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//
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extern HANDLE AfdBindingHandle;
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extern LIST_ENTRY AfdAddressEntryList;
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extern LIST_ENTRY AfdAddressChangeList;
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extern PERESOURCE AfdAddressListLock;
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extern AFD_QSPIN_LOCK AfdAddressChangeLock;
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extern AFD_WORK_ITEM AfdPnPDeregisterWorker;
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extern IO_STATUS_BLOCK AfdDontCareIoStatus;
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// Holds TDI connect timeout (-1).
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extern const LARGE_INTEGER AfdInfiniteTimeout;
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extern SLIST_HEADER AfdLRList;
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extern KDPC AfdLRListDpc;
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extern KTIMER AfdLRListTimer;
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extern AFD_WORK_ITEM AfdLRListWorker;
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extern LONG AfdLRListCount;
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extern SLIST_HEADER AfdLRFileMdlList;
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extern AFD_LR_LIST_ITEM AfdLRFileMdlListItem;
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#if AFD_PERF_DBG
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extern CLONG AfdFullReceiveIndications;
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extern CLONG AfdPartialReceiveIndications;
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extern CLONG AfdFullReceiveDatagramIndications;
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extern CLONG AfdPartialReceiveDatagramIndications;
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extern CLONG AfdFastSendsSucceeded;
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extern CLONG AfdFastSendsFailed;
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extern CLONG AfdFastReceivesSucceeded;
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extern CLONG AfdFastReceivesFailed;
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extern CLONG AfdFastSendDatagramsSucceeded;
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extern CLONG AfdFastSendDatagramsFailed;
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extern CLONG AfdFastReceiveDatagramsSucceeded;
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extern CLONG AfdFastReceiveDatagramsFailed;
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extern CLONG AfdFastReadsSucceeded;
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extern CLONG AfdFastReadsFailed;
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extern CLONG AfdFastWritesSucceeded;
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extern CLONG AfdFastWritesFailed;
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extern CLONG AfdFastTfSucceeded;
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extern CLONG AfdFastTfFailed;
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extern CLONG AfdFastTfReadFailed;
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extern CLONG AfdTPWorkersExecuted;
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extern CLONG AfdTPRequests;
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extern BOOLEAN AfdDisableFastIo;
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extern BOOLEAN AfdDisableConnectionReuse;
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#endif // if AFD_PERF_DBG
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#if AFD_KEEP_STATS
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extern AFD_QUOTA_STATS AfdQuotaStats;
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extern AFD_HANDLE_STATS AfdHandleStats;
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extern AFD_QUEUE_STATS AfdQueueStats;
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extern AFD_CONNECTION_STATS AfdConnectionStats;
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#endif // if AFD_KEEP_STATS
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#if DBG
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extern BOOLEAN AfdUsePrivateAssert;
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#endif
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#ifdef _WIN64
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extern QOS32 AfdDefaultQos32;
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#endif
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extern QOS AfdDefaultQos;
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ULONG AfdIoctlTable[AFD_NUM_IOCTLS];
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PAFD_IMMEDIATE_CALL AfdImmediateCallDispatch[AFD_NUM_IOCTLS];
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PAFD_IRP_CALL AfdIrpCallDispatch[AFD_NUM_IOCTLS];
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#define AFD_FAST_CONNECT_DATA_SIZE 256
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#endif // ndef _AFDDATA_
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