161 lines
7.9 KiB
C
161 lines
7.9 KiB
C
/*++
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Copyright (c) 1990-1995 Microsoft Corporation
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Module Name:
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requestm.h
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Abstract:
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Author:
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Kyle Brandon (KyleB)
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Environment:
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Kernel mode
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Revision History:
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--*/
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#ifndef __REQUESTM_H
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#define __REQUESTM_H
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typedef struct _NDIS_REQUEST_RESERVED
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{
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PNDIS_REQUEST Next;
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PNDIS_OPEN_BLOCK Open;
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PVOID Context;
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ULONG Flags;
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} NDIS_REQUEST_RESERVED, *PNDIS_REQUEST_RESERVED;
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#define PNDIS_RESERVED_FROM_PNDIS_REQUEST(_request) ((PNDIS_REQUEST_RESERVED)((_request)->MacReserved))
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//
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// Used by the NdisCoRequest api to keep context information in the Request->NdisReserved
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//
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typedef struct _NDIS_COREQ_RESERVED
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{
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union
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{
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struct
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{
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CO_REQUEST_COMPLETE_HANDLER CoRequestCompleteHandler;
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NDIS_HANDLE VcContext;
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NDIS_HANDLE AfContext;
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NDIS_HANDLE PartyContext;
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};
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struct
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{
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NDIS_STATUS Status;
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KEVENT Event;
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};
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};
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} NDIS_COREQ_RESERVED, *PNDIS_COREQ_RESERVED;
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#define REQST_DOWNLEVEL 0x00000001
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#define REQST_FREE_REQUEST 0x00000002
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#define REQST_SIGNAL_EVENT 0x00000004
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#define REQST_SAVE_BUF 0x00000008
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#define REQST_LAST_RESTORE 0x00000010
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#define REQST_MANDATORY 0x00000020
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#define REQST_COMPLETED 0x80000000
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#define PNDIS_COREQ_RESERVED_FROM_REQUEST(_request) ((PNDIS_COREQ_RESERVED)((_request)->NdisReserved))
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//
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// The following structure keeps track of wakeup patterns for open blocks.
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//
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typedef struct _NDIS_PACKET_PATTERN_ENTRY
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{
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SINGLE_LIST_ENTRY Link;
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PNDIS_OPEN_BLOCK Open;
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NDIS_PM_PACKET_PATTERN Pattern;
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} NDIS_PACKET_PATTERN_ENTRY, *PNDIS_PACKET_PATTERN_ENTRY;
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#define MINIPORT_QUERY_INFO(_M_, _R_, _S_) *(_S_) = ndisMDispatchRequest(_M_, _R_, TRUE)
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#define MINIPORT_SET_INFO(_M_, _R_, _S_) *(_S_) = ndisMDispatchRequest(_M_, _R_, FALSE)
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#define SAVE_REQUEST_BUF(_M_, _R_, _B_, _L_) \
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{ \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_R_)->Flags |= REQST_SAVE_BUF; \
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(_M_)->SetInfoBuf = (_R_)->DATA.SET_INFORMATION.InformationBuffer; \
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(_M_)->SetInfoBufLen = (USHORT)((_R_)->DATA.SET_INFORMATION.InformationBufferLength); \
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(_R_)->DATA.SET_INFORMATION.InformationBuffer = _B_; \
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(_R_)->DATA.SET_INFORMATION.InformationBufferLength = _L_; \
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}
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#define RESTORE_REQUEST_BUF(_M_, _R_) \
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{ \
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if (PNDIS_RESERVED_FROM_PNDIS_REQUEST(_R_)->Flags & REQST_SAVE_BUF) \
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{ \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_R_)->Flags &= ~REQST_SAVE_BUF; \
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(_R_)->DATA.SET_INFORMATION.InformationBuffer = (_M_)->SetInfoBuf; \
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(_R_)->DATA.SET_INFORMATION.InformationBufferLength = (_M_)->SetInfoBufLen; \
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(_M_)->SetInfoBuf = NULL; \
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(_M_)->SetInfoBufLen = 0; \
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} \
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}
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//
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// This macro verifies the query information buffer length.
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//
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#define VERIFY_QUERY_PARAMETERS(_Request, _SizeNeeded, _Status) \
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{ \
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_Status = NDIS_STATUS_SUCCESS; \
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if ((_Request)->DATA.QUERY_INFORMATION.InformationBufferLength < (_SizeNeeded)) \
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{ \
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(_Request)->DATA.QUERY_INFORMATION.BytesNeeded = (_SizeNeeded); \
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_Status = NDIS_STATUS_INVALID_LENGTH; \
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} \
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}
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//
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// This macro verifies the set information buffer length.
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//
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#define VERIFY_SET_PARAMETERS(_Request, _SizeNeeded, _Status) \
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{ \
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_Status = NDIS_STATUS_SUCCESS; \
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if ((_Request)->DATA.SET_INFORMATION.InformationBufferLength < (_SizeNeeded)) \
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{ \
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(_Request)->DATA.SET_INFORMATION.BytesNeeded = (_SizeNeeded); \
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_Status = NDIS_STATUS_INVALID_LENGTH; \
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} \
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}
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#define SET_INTERNAL_REQUEST(_Request, _Open, _Flags) \
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{ \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_Request)->Open = (_Open); \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_Request)->Flags = _Flags; \
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\
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if (NULL != (_Open)) \
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{ \
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M_OPEN_INCREMENT_REF_INTERLOCKED(_Open); \
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\
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DBGPRINT(DBG_COMP_OPENREF, DBG_LEVEL_INFO, \
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("+ Open 0x%x Reference 0x%x\n", _Open, (_Open)->References)); \
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} \
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}
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#define SET_INTERNAL_REQUEST_NULL_OPEN(_Request, _Flags) \
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{ \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_Request)->Open = NULL; \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_Request)->Flags = _Flags; \
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}
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#define INIT_INTERNAL_REQUEST(_Request, _Oid, _Type, _Buf, _Len) \
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{ \
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NdisZeroMemory(_Request, sizeof(NDIS_REQUEST)); \
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PNDIS_RESERVED_FROM_PNDIS_REQUEST(_Request)->Flags = REQST_SIGNAL_EVENT; \
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(_Request)->DATA.QUERY_INFORMATION.Oid = _Oid; \
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(_Request)->RequestType = _Type; \
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(_Request)->DATA.QUERY_INFORMATION.InformationBuffer = _Buf; \
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(_Request)->DATA.QUERY_INFORMATION.InformationBufferLength = _Len; \
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}
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#endif // __REQUESTM_H
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