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windows-nt/Source/XPSP1/NT/net/sockets/winsock2/wsp/afdsys/afddata.c

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/*++
Copyright (c) 1989-1999 Microsoft Corporation
Module Name:
afddata.c
Abstract:
This module contains global data for AFD.
Author:
David Treadwell (davidtr) 21-Feb-1992
Revision History:
Vadim Eydelman (vadime)
1998-1999 NT5.0 Optimization changes
--*/
#include "afdp.h"
#ifdef ALLOC_PRAGMA
#pragma alloc_text( INIT, AfdInitializeData )
#endif
PDEVICE_OBJECT AfdDeviceObject;
LIST_ENTRY AfdEndpointListHead;
LIST_ENTRY AfdConstrainedEndpointListHead;
LIST_ENTRY AfdPollListHead;
AFD_QSPIN_LOCK AfdPollListLock;
LIST_ENTRY AfdTransportInfoListHead;
KEVENT AfdContextWaitEvent;
PKPROCESS AfdSystemProcess;
//
// Global data which must always be in nonpaged pool,
// even when the driver is paged out (resource, lookaside lists).
//
PAFD_GLOBAL_DATA AfdGlobalData;
//
// Globals for dealing with AFD's executive worker thread.
//
LIST_ENTRY AfdWorkQueueListHead;
BOOLEAN AfdWorkThreadRunning = FALSE;
PIO_WORKITEM AfdWorkQueueItem;
//
// Globals to track the buffers used by AFD.
//
ULONG AfdLargeBufferListDepth;
ULONG AfdMediumBufferListDepth;
ULONG AfdSmallBufferListDepth;
ULONG AfdBufferTagListDepth;
CLONG AfdLargeBufferSize; // default == AfdBufferLengthForOnePage
CLONG AfdMediumBufferSize = AFD_DEFAULT_MEDIUM_BUFFER_SIZE;
CLONG AfdSmallBufferSize = AFD_DEFAULT_SMALL_BUFFER_SIZE;
CLONG AfdBufferTagSize = AFD_DEFAULT_TAG_BUFFER_SIZE;
ULONG AfdCacheLineSize;
CLONG AfdBufferLengthForOnePage;
ULONG AfdBufferOverhead;
ULONG AfdBufferAlignment;
ULONG AfdAlignmentTableSize;
ULONG AfdAlignmentOverhead;
//
// Globals for tuning TransmitFile().
//
LIST_ENTRY AfdQueuedTransmitFileListHead;
AFD_QSPIN_LOCK AfdQueuedTransmitFileSpinLock;
ULONG AfdActiveTransmitFileCount;
ULONG AfdMaxActiveTransmitFileCount;
ULONG AfdDefaultTransmitWorker = AFD_DEFAULT_TRANSMIT_WORKER;
//
// Various pieces of configuration information, with default values.
//
CLONG AfdStandardAddressLength = AFD_DEFAULT_STD_ADDRESS_LENGTH;
CCHAR AfdIrpStackSize = AFD_DEFAULT_IRP_STACK_SIZE;
CCHAR AfdPriorityBoost = AFD_DEFAULT_PRIORITY_BOOST;
ULONG AfdFastSendDatagramThreshold = AFD_FAST_SEND_DATAGRAM_THRESHOLD;
ULONG AfdTPacketsCopyThreshold = AFD_TPACKETS_COPY_THRESHOLD;
CLONG AfdReceiveWindowSize;
CLONG AfdSendWindowSize;
CLONG AfdTransmitIoLength;
CLONG AfdMaxFastTransmit = AFD_DEFAULT_MAX_FAST_TRANSMIT;
CLONG AfdMaxFastCopyTransmit = AFD_DEFAULT_MAX_FAST_COPY_TRANSMIT;
ULONG AfdEndpointsOpened = 0;
ULONG AfdEndpointsCleanedUp = 0;
ULONG AfdEndpointsClosed = 0;
ULONG AfdEndpointsFreeing = 0;
ULONG AfdConnectionsFreeing = 0;
BOOLEAN AfdIgnorePushBitOnReceives = FALSE;
BOOLEAN AfdEnableDynamicBacklog = AFD_DEFAULT_ENABLE_DYNAMIC_BACKLOG;
LONG AfdMinimumDynamicBacklog = AFD_DEFAULT_MINIMUM_DYNAMIC_BACKLOG;
LONG AfdMaximumDynamicBacklog = AFD_DEFAULT_MAXIMUM_DYNAMIC_BACKLOG;
LONG AfdDynamicBacklogGrowthDelta = AFD_DEFAULT_DYNAMIC_BACKLOG_GROWTH_DELTA;
PSECURITY_DESCRIPTOR AfdAdminSecurityDescriptor = NULL;
BOOLEAN AfdDisableRawSecurity = FALSE;
BOOLEAN AfdDontShareAddresses = FALSE;
BOOLEAN AfdDisableDirectSuperAccept = FALSE;
BOOLEAN AfdDisableChainedReceive = FALSE;
#ifdef TDI_SERVICE_SEND_AND_DISCONNECT
BOOLEAN AfdUseTdiSendAndDisconnect = TRUE;
#endif //TDI_SERVICE_SEND_AND_DISCONNECT
ULONG AfdDefaultTpInfoElementCount = 3;
//
// Data for transport address lists and queued change queries
//
HANDLE AfdBindingHandle = NULL;
LIST_ENTRY AfdAddressEntryList;
LIST_ENTRY AfdAddressChangeList;
PERESOURCE AfdAddressListLock = NULL;
AFD_QSPIN_LOCK AfdAddressChangeLock;
AFD_WORK_ITEM AfdPnPDeregisterWorker;
IO_STATUS_BLOCK AfdDontCareIoStatus;
// Holds TDI connect timeout (-1).
const LARGE_INTEGER AfdInfiniteTimeout = {-1,-1};
SLIST_HEADER AfdLRList;
KDPC AfdLRListDpc;
KTIMER AfdLRListTimer;
AFD_WORK_ITEM AfdLRListWorker;
LONG AfdLRListCount;
SLIST_HEADER AfdLRFileMdlList;
AFD_LR_LIST_ITEM AfdLRFileMdlListItem;
//
// Global which holds AFD's discardable code handle, and a BOOLEAN
// that tells whether AFD is loaded.
//
PVOID AfdDiscardableCodeHandle;
PKEVENT AfdLoaded = NULL;
AFD_WORK_ITEM AfdUnloadWorker;
BOOLEAN AfdVolatileConfig=0;
HANDLE AfdParametersNotifyHandle;
WORK_QUEUE_ITEM AfdParametersNotifyWorker;
PKEVENT AfdParametersUnloadEvent = NULL;
// SAN code segment handle, loaded only when SAN support is needed by the app.
HANDLE AfdSanCodeHandle = NULL;
// List of SAN helper endpoints
LIST_ENTRY AfdSanHelperList;
// San helper endpoint for special service process used for socket handle
// duplication and provider change notifications.
PAFD_ENDPOINT AfdSanServiceHelper = NULL;
// PID of service process.
HANDLE AfdSanServicePid = NULL;
// Completion object type (kernel does not export this constant)
POBJECT_TYPE IoCompletionObjectType = NULL;
// Provider list sequence number.
LONG AfdSanProviderListSeqNum = 0;
FAST_IO_DISPATCH AfdFastIoDispatch =
{
sizeof (FAST_IO_DISPATCH), // SizeOfFastIoDispatch
NULL, // FastIoCheckIfPossible
AfdFastIoRead, // FastIoRead
AfdFastIoWrite, // FastIoWrite
NULL, // FastIoQueryBasicInfo
NULL, // FastIoQueryStandardInfo
NULL, // FastIoLock
NULL, // FastIoUnlockSingle
AfdSanFastUnlockAll, // FastIoUnlockAll
NULL, // FastIoUnlockAllByKey
AfdFastIoDeviceControl // FastIoDeviceControl
};
//
// Lookup table to verify incoming IOCTL codes.
//
ULONG AfdIoctlTable[AFD_NUM_IOCTLS] =
{
IOCTL_AFD_BIND,
IOCTL_AFD_CONNECT,
IOCTL_AFD_START_LISTEN,
IOCTL_AFD_WAIT_FOR_LISTEN,
IOCTL_AFD_ACCEPT,
IOCTL_AFD_RECEIVE,
IOCTL_AFD_RECEIVE_DATAGRAM,
IOCTL_AFD_SEND,
IOCTL_AFD_SEND_DATAGRAM,
IOCTL_AFD_POLL,
IOCTL_AFD_PARTIAL_DISCONNECT,
IOCTL_AFD_GET_ADDRESS,
IOCTL_AFD_QUERY_RECEIVE_INFO,
IOCTL_AFD_QUERY_HANDLES,
IOCTL_AFD_SET_INFORMATION,
IOCTL_AFD_GET_REMOTE_ADDRESS,
IOCTL_AFD_GET_CONTEXT,
IOCTL_AFD_SET_CONTEXT,
IOCTL_AFD_SET_CONNECT_DATA,
IOCTL_AFD_SET_CONNECT_OPTIONS,
IOCTL_AFD_SET_DISCONNECT_DATA,
IOCTL_AFD_SET_DISCONNECT_OPTIONS,
IOCTL_AFD_GET_CONNECT_DATA,
IOCTL_AFD_GET_CONNECT_OPTIONS,
IOCTL_AFD_GET_DISCONNECT_DATA,
IOCTL_AFD_GET_DISCONNECT_OPTIONS,
IOCTL_AFD_SIZE_CONNECT_DATA,
IOCTL_AFD_SIZE_CONNECT_OPTIONS,
IOCTL_AFD_SIZE_DISCONNECT_DATA,
IOCTL_AFD_SIZE_DISCONNECT_OPTIONS,
IOCTL_AFD_GET_INFORMATION,
IOCTL_AFD_TRANSMIT_FILE,
IOCTL_AFD_SUPER_ACCEPT,
IOCTL_AFD_EVENT_SELECT,
IOCTL_AFD_ENUM_NETWORK_EVENTS,
IOCTL_AFD_DEFER_ACCEPT,
IOCTL_AFD_WAIT_FOR_LISTEN_LIFO,
IOCTL_AFD_SET_QOS,
IOCTL_AFD_GET_QOS,
IOCTL_AFD_NO_OPERATION,
IOCTL_AFD_VALIDATE_GROUP,
IOCTL_AFD_GET_UNACCEPTED_CONNECT_DATA,
IOCTL_AFD_ROUTING_INTERFACE_QUERY,
IOCTL_AFD_ROUTING_INTERFACE_CHANGE,
IOCTL_AFD_ADDRESS_LIST_QUERY,
IOCTL_AFD_ADDRESS_LIST_CHANGE,
IOCTL_AFD_JOIN_LEAF,
0, // AFD_TRANSPORT_IOCTL
IOCTL_AFD_TRANSMIT_PACKETS,
IOCTL_AFD_SUPER_CONNECT,
IOCTL_AFD_SUPER_DISCONNECT,
IOCTL_AFD_RECEIVE_MESSAGE,
//
// SAN Ioctls
//
IOCTL_AFD_SWITCH_CEMENT_SAN,
IOCTL_AFD_SWITCH_SET_EVENTS,
IOCTL_AFD_SWITCH_RESET_EVENTS,
IOCTL_AFD_SWITCH_CONNECT_IND,
IOCTL_AFD_SWITCH_CMPL_ACCEPT,
IOCTL_AFD_SWITCH_CMPL_REQUEST,
IOCTL_AFD_SWITCH_CMPL_IO,
IOCTL_AFD_SWITCH_REFRESH_ENDP,
IOCTL_AFD_SWITCH_GET_PHYSICAL_ADDR,
IOCTL_AFD_SWITCH_ACQUIRE_CTX,
IOCTL_AFD_SWITCH_TRANSFER_CTX,
IOCTL_AFD_SWITCH_GET_SERVICE_PID,
IOCTL_AFD_SWITCH_SET_SERVICE_PROCESS,
IOCTL_AFD_SWITCH_PROVIDER_CHANGE,
IOCTL_AFD_SWITCH_ADDRLIST_CHANGE
};
//
// Table of IRP based IOCTLS.
//
PAFD_IRP_CALL AfdIrpCallDispatch[AFD_NUM_IOCTLS]= {
AfdBind, // IOCTL_AFD_BIND
AfdConnect, // IOCTL_AFD_CONNECT,
AfdDispatchImmediateIrp, // IOCTL_AFD_START_LISTEN,
AfdWaitForListen, // IOCTL_AFD_WAIT_FOR_LISTEN,
AfdAccept, // IOCTL_AFD_ACCEPT,
AfdReceive, // IOCTL_AFD_RECEIVE,
AfdReceiveDatagram, // IOCTL_AFD_RECEIVE_DATAGRAM,
AfdSend, // IOCTL_AFD_SEND,
AfdSendDatagram, // IOCTL_AFD_SEND_DATAGRAM,
AfdPoll, // IOCTL_AFD_POLL,
AfdDispatchImmediateIrp, // IOCTL_AFD_PARTIAL_DISCONNECT,
AfdGetAddress, // IOCTL_AFD_GET_ADDRESS,
AfdDispatchImmediateIrp, // IOCTL_AFD_QUERY_RECEIVE_INFO,
AfdDispatchImmediateIrp, // IOCTL_AFD_QUERY_HANDLES,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_INFORMATION,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_REMOTE_ADDRESS,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_CONTEXT,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_CONTEXT,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_CONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_CONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_DISCONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_SET_DISCONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_CONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_CONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_DISCONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_DISCONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_SIZE_CONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_SIZE_CONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_SIZE_DISCONNECT_DATA,
AfdDispatchImmediateIrp, // IOCTL_AFD_SIZE_DISCONNECT_OPTIONS,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_INFORMATION,
AfdTransmitFile, // IOCTL_AFD_TRANSMIT_FILE,
AfdSuperAccept, // IOCTL_AFD_SUPER_ACCEPT,
AfdDispatchImmediateIrp, // IOCTL_AFD_EVENT_SELECT,
AfdDispatchImmediateIrp, // IOCTL_AFD_ENUM_NETWORK_EVENTS,
AfdDeferAccept, // IOCTL_AFD_DEFER_ACCEPT,
AfdWaitForListen, // IOCTL_AFD_WAIT_FOR_LISTEN_LIFO,
AfdSetQos, // IOCTL_AFD_SET_QOS,
AfdGetQos, // IOCTL_AFD_GET_QOS,
AfdNoOperation, // IOCTL_AFD_NO_OPERATION,
AfdValidateGroup, // IOCTL_AFD_VALIDATE_GROUP,
AfdDispatchImmediateIrp, // IOCTL_AFD_GET_UNACCEPTED_CONNECT_DATA
AfdDispatchImmediateIrp, // IOCTL_AFD_ROUTING_INTERFACE_QUERY,
AfdRoutingInterfaceChange,// IOCTL_AFD_ROUTING_INTERFACE_CHANGE,
AfdDispatchImmediateIrp, // IOCTL_AFD_ADDRESS_LIST_QUERY,
AfdAddressListChange, // IOCTL_AFD_ADDRESS_LIST_CHANGE,
AfdJoinLeaf, // IOCTL_AFD_JOIN_LEAF,
NULL, // IOCTL_AFD_TRANSPORT_IOCTL,
AfdTransmitPackets, // IOCTL_AFD_TRANSMIT_PACKETS
AfdSuperConnect, // IOCTL_AFD_SUPER_CONNECT
AfdSuperDisconnect, // IOCTL_AFD_SUPER_DISCONNECT
AfdReceiveDatagram, // IOCTL_AFD_RECEIVE_MESSAGE
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_CEMENT_SAN
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_SET_EVENTS
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_RESET_EVENTS
AfdSanConnectHandler, // IOCTL_AFD_SWITCH_CONNECT_IND
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_CMPL_ACCEPT
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_CMPL_REQUEST
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_CMPL_IO
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_REFRESH_ENDP
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_GET_PHYSICAL_ADDR
AfdSanAcquireContext, // IOCTL_AFD_SWITCH_ACQUIRE_CTX
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_TRANSFER_CTX
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_GET_SERVICE_PID
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_SET_SERVICE_PROCESS
AfdDispatchImmediateIrp, // IOCTL_AFD_SWITCH_PROVIDER_CHANGE
AfdSanAddrListChange // IOCTL_AFD_SWITCH_ADDRLIST_CHANGE
};
//
// Table of immediate IOCTLS (can never be pended).
//
PAFD_IMMEDIATE_CALL AfdImmediateCallDispatch[AFD_NUM_IOCTLS]= {
NULL, // IOCTL_AFD_BIND
NULL, // IOCTL_AFD_CONNECT,
AfdStartListen, // IOCTL_AFD_START_LISTEN,
NULL, // IOCTL_AFD_WAIT_FOR_LISTEN,
NULL, // IOCTL_AFD_ACCEPT,
NULL, // IOCTL_AFD_RECEIVE,
NULL, // IOCTL_AFD_RECEIVE_DATAGRAM,
NULL, // IOCTL_AFD_SEND,
NULL, // IOCTL_AFD_SEND_DATAGRAM,
NULL, // IOCTL_AFD_POLL,
AfdPartialDisconnect, // IOCTL_AFD_PARTIAL_DISCONNECT,
NULL, // IOCTL_AFD_GET_ADDRESS,
AfdQueryReceiveInformation,// IOCTL_AFD_QUERY_RECEIVE_INFO,
AfdQueryHandles, // IOCTL_AFD_QUERY_HANDLES,
AfdSetInformation, // IOCTL_AFD_SET_INFORMATION,
AfdGetRemoteAddress, // IOCTL_AFD_GET_REMOTE_ADDRESS,
AfdGetContext, // IOCTL_AFD_GET_CONTEXT,
AfdSetContext, // IOCTL_AFD_SET_CONTEXT,
AfdSetConnectData, // IOCTL_AFD_SET_CONNECT_DATA,
AfdSetConnectData, // IOCTL_AFD_SET_CONNECT_OPTIONS,
AfdSetConnectData, // IOCTL_AFD_SET_DISCONNECT_DATA,
AfdSetConnectData, // IOCTL_AFD_SET_DISCONNECT_OPTIONS,
AfdGetConnectData, // IOCTL_AFD_GET_CONNECT_DATA,
AfdGetConnectData, // IOCTL_AFD_GET_CONNECT_OPTIONS,
AfdGetConnectData, // IOCTL_AFD_GET_DISCONNECT_DATA,
AfdGetConnectData, // IOCTL_AFD_GET_DISCONNECT_OPTIONS,
AfdSetConnectData, // IOCTL_AFD_SIZE_CONNECT_DATA,
AfdSetConnectData, // IOCTL_AFD_SIZE_CONNECT_OPTIONS,
AfdSetConnectData, // IOCTL_AFD_SIZE_DISCONNECT_DATA,
AfdSetConnectData, // IOCTL_AFD_SIZE_DISCONNECT_OPTIONS,
AfdGetInformation, // IOCTL_AFD_GET_INFORMATION,
NULL, // IOCTL_AFD_TRANSMIT_FILE,
NULL, // IOCTL_AFD_SUPER_ACCEPT,
AfdEventSelect, // IOCTL_AFD_EVENT_SELECT,
AfdEnumNetworkEvents, // IOCTL_AFD_ENUM_NETWORK_EVENTS,
NULL, // IOCTL_AFD_DEFER_ACCEPT,
NULL, // IOCTL_AFD_WAIT_FOR_LISTEN_LIFO,
NULL, // IOCTL_AFD_SET_QOS,
NULL, // IOCTL_AFD_GET_QOS,
NULL, // IOCTL_AFD_NO_OPERATION,
NULL, // IOCTL_AFD_VALIDATE_GROUP,
AfdGetUnacceptedConnectData,// IOCTL_AFD_GET_UNACCEPTED_CONNECT_DATA
AfdRoutingInterfaceQuery, // IOCTL_AFD_ROUTING_INTERFACE_QUERY,
NULL, // IOCTL_AFD_ROUTING_INTERFACE_CHANGE,
AfdAddressListQuery, // IOCTL_AFD_ADDRESS_LIST_QUERY,
NULL, // IOCTL_AFD_ADDRESS_LIST_CHANGE,
NULL, // IOCTL_AFD_JOIN_LEAF,
NULL, // IOCTL_AFD_TRANSPORT_IOCTL,
NULL, // IOCTL_AFD_TRANSMIT_PACKETS
NULL, // IOCTL_AFD_SUPER_CONNECT
NULL, // IOCTL_AFD_SUPER_DISCONNECT
NULL, // IOCTL_AFD_RECEIVE_MESSAGE
AfdSanFastCementEndpoint, // IOCTL_AFD_SWITCH_CEMENT_SAN
AfdSanFastSetEvents, // IOCTL_AFD_SWITCH_SET_EVENTS
AfdSanFastResetEvents, // IOCTL_AFD_SWITCH_RESET_EVENTS
NULL, // IOCTL_AFD_SWITCH_CONNECT_IND
AfdSanFastCompleteAccept, // IOCTL_AFD_SWITCH_CMPL_ACCEPT
AfdSanFastCompleteRequest,// IOCTL_AFD_SWITCH_CMPL_REQUEST
AfdSanFastCompleteIo, // IOCTL_AFD_SWITCH_CMPL_IO
AfdSanFastRefreshEndpoint,// IOCTL_AFD_SWITCH_REFRESH_ENDP
AfdSanFastGetPhysicalAddr,// IOCTL_AFD_SWITCH_GET_PHYSICAL_ADDR
NULL, // IOCTL_AFD_SWITCH_ACQUIRE_CTX
AfdSanFastTransferCtx, // IOCTL_AFD_SWITCH_TRANSFER_CTX
AfdSanFastGetServicePid, // IOCTL_AFD_SWITCH_GET_SERVICE_PID
AfdSanFastSetServiceProcess,// IOCTL_AFD_SWITCH_SET_SERVICE_PROCESS
AfdSanFastProviderChange, // IOCTL_AFD_SWITCH_PROVIDER_CHANGE
NULL // IOCTL_AFD_SWITCH_ADDRLIST_CHANGE
};
//
// Make sure the above IOCTLs have method neither.
//
C_ASSERT ((IOCTL_AFD_START_LISTEN & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_PARTIAL_DISCONNECT & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_QUERY_RECEIVE_INFO & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_QUERY_HANDLES & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_INFORMATION & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_REMOTE_ADDRESS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_CONTEXT & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_CONTEXT & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_CONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_CONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_DISCONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SET_DISCONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_CONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_CONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_DISCONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_DISCONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SIZE_CONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SIZE_CONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SIZE_DISCONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SIZE_DISCONNECT_OPTIONS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_INFORMATION & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_EVENT_SELECT & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_ENUM_NETWORK_EVENTS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_GET_UNACCEPTED_CONNECT_DATA & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_ADDRESS_LIST_QUERY & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_ROUTING_INTERFACE_QUERY & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_CEMENT_SAN & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_SET_EVENTS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_RESET_EVENTS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_CMPL_ACCEPT & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_CMPL_REQUEST & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_CMPL_IO & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_REFRESH_ENDP & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_GET_PHYSICAL_ADDR & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_TRANSFER_CTX & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_GET_SERVICE_PID & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_SET_SERVICE_PROCESS & 3) == METHOD_NEITHER);
C_ASSERT ((IOCTL_AFD_SWITCH_PROVIDER_CHANGE & 3) == METHOD_NEITHER);
#if DBG
ULONG AfdDebug = 0;
ULONG AfdLocksAcquired = 0;
BOOLEAN AfdUsePrivateAssert = TRUE;
#endif
//
// Some counters used for monitoring performance. These are not enabled
// in the normal build.
//
#if AFD_PERF_DBG
CLONG AfdFullReceiveIndications = 0;
CLONG AfdPartialReceiveIndications = 0;
CLONG AfdFullReceiveDatagramIndications = 0;
CLONG AfdPartialReceiveDatagramIndications = 0;
CLONG AfdFastSendsSucceeded = 0;
CLONG AfdFastSendsFailed = 0;
CLONG AfdFastReceivesSucceeded = 0;
CLONG AfdFastReceivesFailed = 0;
CLONG AfdFastSendDatagramsSucceeded = 0;
CLONG AfdFastSendDatagramsFailed = 0;
CLONG AfdFastReceiveDatagramsSucceeded = 0;
CLONG AfdFastReceiveDatagramsFailed = 0;
CLONG AfdFastReadsSucceeded = 0;
CLONG AfdFastReadsFailed = 0;
CLONG AfdFastWritesSucceeded = 0;
CLONG AfdFastWritesFailed = 0;
CLONG AfdFastTfSucceeded=0;
CLONG AfdFastTfFailed=0;
CLONG AfdFastTfReadFailed=0;
CLONG AfdTPWorkersExecuted=0;
CLONG AfdTPRequests=0;
BOOLEAN AfdDisableFastIo = FALSE;
BOOLEAN AfdDisableConnectionReuse = FALSE;
#endif // AFD_PERF_DBG
#if AFD_KEEP_STATS
AFD_QUOTA_STATS AfdQuotaStats;
AFD_HANDLE_STATS AfdHandleStats;
AFD_QUEUE_STATS AfdQueueStats;
AFD_CONNECTION_STATS AfdConnectionStats;
#endif // AFD_KEEP_STATS
#ifdef _WIN64
QOS32 AfdDefaultQos32 =
{
{ // SendingFlowspec
(ULONG)-1, // TokenRate
(ULONG)-1, // TokenBucketSize
(ULONG)-1, // PeakBandwidth
(ULONG)-1, // Latency
(ULONG)-1, // DelayVariation
SERVICETYPE_BESTEFFORT, // ServiceType
(ULONG)-1, // MaxSduSize
(ULONG)-1 // MinimumPolicedSize
},
{ // SendingFlowspec
(ULONG)-1, // TokenRate
(ULONG)-1, // TokenBucketSize
(ULONG)-1, // PeakBandwidth
(ULONG)-1, // Latency
(ULONG)-1, // DelayVariation
SERVICETYPE_BESTEFFORT, // ServiceType
(ULONG)-1, // MaxSduSize
(ULONG)-1 // MinimumPolicedSize
},
};
#endif
QOS AfdDefaultQos =
{
{ // SendingFlowspec
(ULONG)-1, // TokenRate
(ULONG)-1, // TokenBucketSize
(ULONG)-1, // PeakBandwidth
(ULONG)-1, // Latency
(ULONG)-1, // DelayVariation
SERVICETYPE_BESTEFFORT, // ServiceType
(ULONG)-1, // MaxSduSize
(ULONG)-1 // MinimumPolicedSize
},
{ // SendingFlowspec
(ULONG)-1, // TokenRate
(ULONG)-1, // TokenBucketSize
(ULONG)-1, // PeakBandwidth
(ULONG)-1, // Latency
(ULONG)-1, // DelayVariation
SERVICETYPE_BESTEFFORT, // ServiceType
(ULONG)-1, // MaxSduSize
(ULONG)-1 // MinimumPolicedSize
},
};
VOID
AfdInitializeData (
VOID
)
{
PAGED_CODE( );
#if DBG || REFERENCE_DEBUG
AfdInitializeDebugData( );
#endif
//
// Initialize global spin locks and lists.
//
AfdInitializeSpinLock( &AfdPollListLock );
//
// Initialize global lists.
//
InitializeListHead( &AfdEndpointListHead );
InitializeListHead( &AfdPollListHead );
InitializeListHead( &AfdTransportInfoListHead );
InitializeListHead( &AfdWorkQueueListHead );
InitializeListHead( &AfdConstrainedEndpointListHead );
InitializeListHead( &AfdQueuedTransmitFileListHead );
AfdInitializeSpinLock( &AfdQueuedTransmitFileSpinLock );
InitializeListHead( &AfdAddressEntryList );
InitializeListHead( &AfdAddressChangeList );
ExInitializeSListHead( &AfdLRList);
ExInitializeSListHead( &AfdLRFileMdlList);
AfdBufferAlignment = KeGetRecommendedSharedDataAlignment( );
if (AfdBufferAlignment < AFD_MINIMUM_BUFFER_ALIGNMENT) {
AfdBufferAlignment = AFD_MINIMUM_BUFFER_ALIGNMENT;
}
AfdAlignmentTableSize = AfdBufferAlignment/AFD_MINIMUM_BUFFER_ALIGNMENT;
AfdBufferOverhead = AfdCalculateBufferSize( PAGE_SIZE, AfdStandardAddressLength) - PAGE_SIZE;
AfdBufferLengthForOnePage = ALIGN_DOWN_A(
PAGE_SIZE-AfdBufferOverhead,
AFD_MINIMUM_BUFFER_ALIGNMENT);
AfdLargeBufferSize = AfdBufferLengthForOnePage;
//
// Set up buffer counts based on machine size. For smaller
// machines, it is OK to take the perf hit of the additional
// allocations in order to save the nonpaged pool overhead.
//
switch ( MmQuerySystemSize( ) ) {
case MmSmallSystem:
AfdReceiveWindowSize = AFD_SM_DEFAULT_RECEIVE_WINDOW;
AfdSendWindowSize = AFD_SM_DEFAULT_SEND_WINDOW;
AfdTransmitIoLength = AFD_SM_DEFAULT_TRANSMIT_IO_LENGTH;
AfdLargeBufferListDepth = AFD_SM_DEFAULT_LARGE_LIST_DEPTH;
AfdMediumBufferListDepth = AFD_SM_DEFAULT_MEDIUM_LIST_DEPTH;
AfdSmallBufferListDepth = AFD_SM_DEFAULT_SMALL_LIST_DEPTH;
AfdBufferTagListDepth = AFD_SM_DEFAULT_TAG_LIST_DEPTH;
break;
case MmMediumSystem:
AfdReceiveWindowSize = AFD_MM_DEFAULT_RECEIVE_WINDOW;
AfdSendWindowSize = AFD_MM_DEFAULT_SEND_WINDOW;
AfdTransmitIoLength = AFD_MM_DEFAULT_TRANSMIT_IO_LENGTH;
AfdLargeBufferListDepth = AFD_MM_DEFAULT_LARGE_LIST_DEPTH;
AfdMediumBufferListDepth = AFD_MM_DEFAULT_MEDIUM_LIST_DEPTH;
AfdSmallBufferListDepth = AFD_MM_DEFAULT_SMALL_LIST_DEPTH;
AfdBufferTagListDepth = AFD_MM_DEFAULT_TAG_LIST_DEPTH;
break;
case MmLargeSystem:
AfdReceiveWindowSize = AFD_LM_DEFAULT_RECEIVE_WINDOW;
AfdSendWindowSize = AFD_LM_DEFAULT_SEND_WINDOW;
AfdTransmitIoLength = AFD_LM_DEFAULT_TRANSMIT_IO_LENGTH;
AfdLargeBufferListDepth = AFD_LM_DEFAULT_LARGE_LIST_DEPTH;
AfdMediumBufferListDepth = AFD_LM_DEFAULT_MEDIUM_LIST_DEPTH;
AfdSmallBufferListDepth = AFD_LM_DEFAULT_SMALL_LIST_DEPTH;
AfdBufferTagListDepth = AFD_LM_DEFAULT_TAG_LIST_DEPTH;
break;
default:
ASSERT(!"Unknown system size" );
__assume (0);
}
if( MmIsThisAnNtAsSystem() ) {
//
// On the NT Server product, there is no maximum active TransmitFile
// count. Setting this counter to zero short-circuits a number of
// tests for queueing TransmitFile IRPs.
//
AfdMaxActiveTransmitFileCount = 0;
} else {
//
// On the workstation product, the TransmitFile default I/O length
// is always a page size. This conserves memory on workstatioons
// and keeps the server product's performance high.
//
AfdTransmitIoLength = PAGE_SIZE;
//
// Enforce a maximum active TransmitFile count.
//
AfdMaxActiveTransmitFileCount =
AFD_DEFAULT_MAX_ACTIVE_TRANSMIT_FILE_COUNT;
}
} // AfdInitializeData
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