tdipeg.h

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/********************************************************************/
/**                     Microsoft LAN Manager                      **/
/**               Copyright (c) 1990-2000 Microsoft Corporation.  All rights reserved.
/********************************************************************/
/* :ts=4 */

//** TDIVXD.H - VXD specific TDI definitions. 
//
//	This file contains VXD specific TDI definitions, primarily related
//	to the TdiDispatch Table.
//

// Begin code take from WSAHELP.H
//
// Notification event definitions.  A helper DLL returns a mask of the
// events for which it wishes to be notified, and the Windows Sockets
// DLL calls the helper DLL in WSHNotify for each requested event.
//

#define WSH_NOTIFY_BIND                 0x01
#define WSH_NOTIFY_LISTEN               0x02
#define WSH_NOTIFY_CONNECT              0x04
#define WSH_NOTIFY_ACCEPT               0x08
#define WSH_NOTIFY_SHUTDOWN_RECEIVE     0x10
#define WSH_NOTIFY_SHUTDOWN_SEND        0x20
#define WSH_NOTIFY_SHUTDOWN_ALL         0x40
#define WSH_NOTIFY_CLOSE                0x80
#define WSH_NOTIFY_CONNECT_ERROR        0x100

//
// Definitions for various internal socket options.  These are used
// by the Windows Sockets DLL to communicate information to the helper
// DLL via get and set socket information calls.
//

#define SOL_INTERNAL 0xFFFE
#define SO_CONTEXT 1

//
// Address manipulation routine.
//

typedef enum _SOCKADDR_ADDRESS_INFO {
    SockaddrAddressInfoNormal,
    SockaddrAddressInfoWildcard,
    SockaddrAddressInfoBroadcast,
    SockaddrAddressInfoLoopback
} SOCKADDR_ADDRESS_INFO, *PSOCKADDR_ADDRESS_INFO;

typedef enum _SOCKADDR_ENDPOINT_INFO {
    SockaddrEndpointInfoNormal,
    SockaddrEndpointInfoWildcard,
    SockaddrEndpointInfoReserved
} SOCKADDR_ENDPOINT_INFO, *PSOCKADDR_ENDPOINT_INFO;

typedef struct _SOCKADDR_INFO {
    SOCKADDR_ADDRESS_INFO AddressInfo;
    SOCKADDR_ENDPOINT_INFO EndpointInfo;
} SOCKADDR_INFO, *PSOCKADDR_INFO;


//
// Structure and routine for determining the address family/socket
// type/protocol triples supported by an individual Windows Sockets
// Helper DLL.  The Rows field of WINSOCK_MAPPING determines the
// number of entries in the Mapping[] array; the Columns field is
// always 3.
//

typedef struct _WINSOCK_MAPPING {
    DWORD Rows;
    DWORD Columns;
    struct {
        DWORD AddressFamily;
        DWORD SocketType;
        DWORD Protocol;
    } Mapping[1];
} WINSOCK_MAPPING, *PWINSOCK_MAPPING;


//
// WSRegister takes the (device) name of the helper VxD,
// the (device) name of the associated TDI transport, and
// a pointer to the helper's WSHTABLE.
//
// It returns a pointer to a location where the TDIDispatchTable
// for the helper's associated transport is stored.
//
typedef struct TDIDispatchTable *PTDIDispatch;

TDI_STATUS
WSRegister (
	IN PWSTR TransportName,
	IN PTDIDispatch DispatchTable
	);

//
// WSDeregister takes the (device) name of the helper VxD.
//

INT
WSDeregister (
	IN PWSTR HelperName
	);

// Typedef of Register Functions
typedef TDI_STATUS (*PWSRegister) (IN PWSTR TransportName,
								   IN PTDIDispatch DispatchTable);

typedef void (*PRegisterProc) (IN PWSRegister, IN CRITICAL_SECTION *AfdCS);

//	This is the format used to register, helper dll's will most
//	likely have different uses for the parameters
typedef BOOL (*PHelperProc)(DWORD Context, DWORD OpCode, 
							PBYTE pVTable, DWORD cVTable, 
							PBYTE pMTable, DWORD cMTable,
							PDWORD pUnused);

typedef void (*PReadyProc)(void);

// End code take from WSAHELP.H

struct TDIDispatchTable {
	TDI_STATUS		(*TdiOpenAddressEntry)(PTDI_REQUEST, PTRANSPORT_ADDRESS, 
						uint, PVOID);
	TDI_STATUS		(*TdiCloseAddressEntry)(PTDI_REQUEST);
	TDI_STATUS		(*TdiOpenConnectionEntry)(PTDI_REQUEST, PVOID);
	TDI_STATUS		(*TdiCloseConnectionEntry)(PTDI_REQUEST);
	TDI_STATUS		(*TdiAssociateAddressEntry)(PTDI_REQUEST, HANDLE);
	TDI_STATUS		(*TdiDisAssociateAddressEntry)(PTDI_REQUEST);
	TDI_STATUS		(*TdiConnectEntry)(PTDI_REQUEST, PVOID, 
						PTDI_CONNECTION_INFORMATION, 
						PTDI_CONNECTION_INFORMATION);
	TDI_STATUS		(*TdiDisconnectEntry)(PTDI_REQUEST, PVOID, ushort,
						PTDI_CONNECTION_INFORMATION, 
						PTDI_CONNECTION_INFORMATION);
	TDI_STATUS		(*TdiListenEntry)(PTDI_REQUEST, ushort, 
						PTDI_CONNECTION_INFORMATION, 
						PTDI_CONNECTION_INFORMATION);
	TDI_STATUS		(*TdiAcceptEntry)(PTDI_REQUEST, PTDI_CONNECTION_INFORMATION,
						PTDI_CONNECTION_INFORMATION);
	TDI_STATUS		(*TdiReceiveEntry)(PTDI_REQUEST, ushort *, uint *, 
						PNDIS_BUFFER);
	TDI_STATUS		(*TdiSendEntry)(PTDI_REQUEST, ushort, uint, PNDIS_BUFFER);
	TDI_STATUS		(*TdiSendDatagramEntry)(PTDI_REQUEST, PTDI_CONNECTION_INFORMATION,
						uint, uint *, PNDIS_BUFFER);
	TDI_STATUS		(*TdiReceiveDatagramEntry)(PTDI_REQUEST, 
						PTDI_CONNECTION_INFORMATION,
						PTDI_CONNECTION_INFORMATION, uint, uint *, PNDIS_BUFFER);
	TDI_STATUS		(*TdiSetEventEntry)(PVOID, int, PVOID, PVOID);
	TDI_STATUS		(*TdiQueryInformationEntry)(PTDI_REQUEST, uint, 
						PNDIS_BUFFER, uint *, uint);
	TDI_STATUS		(*TdiSetInformationEntry)(PTDI_REQUEST, uint, 
						PNDIS_BUFFER, uint, uint);
	TDI_STATUS		(*TdiActionEntry)(PTDI_REQUEST, uint, 
						PNDIS_BUFFER, uint);
	TDI_STATUS		(*TdiQueryInformationExEntry)(PTDI_REQUEST, 
						struct TDIObjectID *, PNDIS_BUFFER, uint *, void *);
	TDI_STATUS		(*TdiSetInformationExEntry)(PTDI_REQUEST, 
						struct TDIObjectID *, void *, uint);
	
	// Versions of the helper functions
	
	//	PWSH_GET_SOCKADDR_TYPE		GetSockaddrType;
	TDI_STATUS		(*TdiGetSockaddrType)(
						IN PSOCKADDR Sockaddr,
						IN DWORD SockaddrLength,
						OUT PSOCKADDR_INFO SockaddrInfo);
										  
	//	PWSH_GET_WILDCARD_SOCKADDR	GetWildcardSockaddr;
	TDI_STATUS		(*TdiGetWildcardSockaddr) (
						IN PVOID HelperDllSocketContext,
						OUT PSOCKADDR Sockaddr,
						OUT PINT SockaddrLength);

	//	PWSH_GET_SOCKET_INFORMATION GetSocketInformation;
	TDI_STATUS		(*TdiGetSocketInformation) (
						IN PVOID HelperDllSocketContext,
						IN SOCKET SocketHandle,
						IN HANDLE TdiAddressObjectHandle,
						IN HANDLE TdiConnectionObjectHandle,
						IN INT Level,
						IN INT OptionName,
						OUT PCHAR OptionValue,
						OUT PINT OptionLength);
	
//	PWSH_GET_WINSOCK_MAPPING	GetWinsockMapping;
	DWORD			(*TdiGetWinsockMapping) (
						OUT PWINSOCK_MAPPING Mapping,
						IN DWORD MappingLength);
	
//	PWSH_NOTIFY	Notify;
	TDI_STATUS		(*TdiNotify) (
						IN PVOID HelperDllSocketContext,
						IN SOCKET SocketHandle,
						IN HANDLE TdiAddressObjectHandle,
						IN HANDLE TdiConnectionObjectHandle,
						IN DWORD NotifyEvent);
	
//	PWSH_OPEN_SOCKET OpenSocket;
	TDI_STATUS		(*TdiOpenSocket) (
						IN OUT PINT AddressFamily,
						IN OUT PINT SocketType,
						IN OUT PINT Protocol,
						OUT PWSTR TransportDeviceName,
						OUT PVOID *HelperDllSocketContext,
						OUT PDWORD NotificationEvents);
	
//	PWSH_SET_SOCKET_INFORMATION SetSocketInformation;
	TDI_STATUS		(*TdiSetSocketInformation) (
						IN PVOID HelperDllSocketContext,
						IN SOCKET SocketHandle,
						IN HANDLE TdiAddressObjectHandle,
						IN HANDLE TdiConnectionObjectHandle,
						IN INT Level,
						IN INT OptionName,
						IN PCHAR OptionValue,
						IN INT OptionLength);

//	PWSH_ENUM_PROTOCOLS 		EnumProtocols;
	TDI_STATUS		(*TdiEnumProtocols) (
						IN LPINT lpiProtocols,
						IN LPTSTR lpTransportKeyName,
						IN OUT LPVOID lpProtocolBuffer,
						IN OUT LPDWORD lpdwBufferLength);

};

typedef struct TDIDispatchTable TDIDispatchTable;


typedef struct EventRcvBuffer {
	PNDIS_BUFFER	erb_buffer;
	uint			erb_size;
	CTEReqCmpltRtn	erb_rtn;			// Completion routine.
	PVOID			erb_context;		// User context.
	DWORD			erb_access;			// this is used to store the Permissions of the thread
	ushort			*erb_flags;			// Pointer to user flags.
	DWORD			erb_procprm;		// proc permissions for faster rcvs.- this is NEW
} EventRcvBuffer;
// the erb_access allows the another thread to write to the user space, we use this while doing pending recv's

typedef struct ConnectEventInfo {
	CTEReqCmpltRtn				cei_rtn;	// Completion routine.
	PVOID						cei_context;// User context.
	PTDI_CONNECTION_INFORMATION	cei_acceptinfo;	// Connection information for
											// the accept.
	PTDI_CONNECTION_INFORMATION	cei_conninfo;	// Connection information to be
												// returned.
} ConnectEventInfo;

typedef	TDI_STATUS	(*PConnectEvent)(PVOID EventContext, uint AddressLength, 
						PTRANSPORT_ADDRESS Address, uint UserDataLength, 
						PVOID UserData, uint OptionsLength, PVOID
						Options,  PVOID *AcceptingID, 
						ConnectEventInfo *EventInfo);

typedef	TDI_STATUS	(*PDisconnectEvent)(PVOID EventContext, 
						PVOID ConnectionContext, uint DisconnectDataLength,
						PVOID DisconnectData, uint OptionsLength, PVOID
						Options, ulong Flags);

typedef	TDI_STATUS	(*PErrorEvent)(PVOID EventContext, uint Status);

typedef	TDI_STATUS	(*PRcvEvent)(PVOID EventContext, PVOID ConnectionContext, 
						ulong Flags, uint Indicated, uint Available, 
						uint *Taken, uchar *Data, EventRcvBuffer *Buffer);

typedef	TDI_STATUS	(*PRcvDGEvent)(PVOID EventContext, uint AddressLength, 
						PTRANSPORT_ADDRESS Address, uint OptionsLength, PVOID
						Options,  uint Flags, uint Indicated, uint Available, 
						uint *Taken, uchar *Data, EventRcvBuffer **Buffer);

typedef	TDI_STATUS	(*PRcvExpEvent)(PVOID EventContext, PVOID ConnectionContext, 
						ulong Flags, uint Indicated, uint Available, 
						uint *Taken, uchar *Data, EventRcvBuffer *Buffer);