Source code of Windows XP (NT5)
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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
net\routing\ipx\sap\intfdb.h
Abstract:
Header file for interface maintenance module.
Author:
Vadim Eydelman 05-15-1995
Revision History:
--*/
#ifndef _SAP_INTFDB_
#define _SAP_INTFDB_
#define INTERNAL_INTERFACE_INDEX 0L
#define INTERNAL_ADAPTER_INDEX 0L
#define INVALID_ADAPTER_INDEX 0xFFFFFFFFL
#define INVALID_INTERFACE_INDEX 0xFFFFFFFFL
// Number of additional recv requests to post when binding the interface
// that has listen enabled
extern ULONG NewRequestsPerInterface;
// Default filtering mode (for standalone service only)
extern UCHAR FilterOutMode;
// Externally visible part of interface control block
typedef struct _INTERFACE_DATA {
LPWSTR name; // Name
ULONG index; // Unique index
BOOLEAN enabled; // enabled flag
UCHAR filterOut; // supply filtering node
UCHAR filterIn; // listen filtering node
#define SAP_DONT_FILTER 0
#define SAP_FILTER_PERMIT IPX_SERVICE_FILTER_PERMIT
#define SAP_FILTER_DENY IPX_SERVICE_FILTER_DENY
#if ((SAP_DONT_FILTER==SAP_FILTER_PERMIT) || (SAP_DONT_FILTER==SAP_FILTER_DENY))
#error "Sap filter constant mismatch!!!!"
#endif
SAP_IF_INFO info; // Configuration info
IPX_ADAPTER_BINDING_INFO adapter; // Net params of adapter
// to which interface is bound
SAP_IF_STATS stats; // Interface statistics
} INTERFACE_DATA, *PINTERFACE_DATA;
// Exported internal network parameters
extern UCHAR INTERNAL_IF_NODE[6];
extern UCHAR INTERNAL_IF_NET[4];
/*++
*******************************************************************
C r e a t e I n t e r f a c e T a b l e
Routine Description:
Allocates resources for interface table
Arguments:
None
Return Value:
NO_ERROR - resources were allocated successfully
other - reason of failure (windows error code)
*******************************************************************
--*/
DWORD
CreateInterfaceTable (
);
/*++
*******************************************************************
S h u t d o w n I n t e r f a c e s
Routine Description:
Initiates orderly shutdown of SAP interfaces
Stop reception of new packets
Arguments:
None
Return Value:
None
*******************************************************************
--*/
VOID
ShutdownInterfaces (
HANDLE doneEvent
);
/*++
*******************************************************************
S t o p I n t e r f a c e s
Routine Description:
Stops all sap interfaces if not already stopped.
Arguments:
None
Return Value:
None
*******************************************************************
--*/
VOID
StopInterfaces (
void
);
/*++
*******************************************************************
D e l e t e I n t e r f a c e T a b l e
Routine Description:
Release all resources associated with interface table
Arguments:
None
Return Value:
NO_ERROR - operation completed OK
*******************************************************************
--*/
VOID
DeleteInterfaceTable (
void
);
/*++
*******************************************************************
S a p C r e a t e S a p I n t e r f a c e
Routine Description:
Add interface control block for new interface
Arguments:
InterfaceIndex - unique number that indentifies new interface
SapIfConfig - interface configuration info
Return Value:
NO_ERROR - interface was created OK
ERROR_ALREADY_EXISTS - interface with this index already exists
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapCreateSapInterface (
LPWSTR InterfaceName,
ULONG InterfaceIndex,
NET_INTERFACE_TYPE InterfaceType,
PSAP_IF_INFO SapIfConfig
);
/*++
*******************************************************************
S a p D e l e t e S a p I n t e r f a c e
Routine Description:
Delete existing interface control block
Arguments:
InterfaceIndex - unique number that indentifies the interface
Return Value:
NO_ERROR - interface was created OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapDeleteSapInterface (
ULONG InterfaceIndex
);
/*++
*******************************************************************
S a p G e t S a p I n t e r f a c e
Routine Description:
Retrieves configuration and statistic info associated with interface
Arguments:
InterfaceIndex - unique number that indentifies new interface
SapIfConfig - buffer to store configuration info
SapIfStats - buffer to store statistic info
Return Value:
NO_ERROR - info was retrieved OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapGetSapInterface (
IN ULONG InterfaceIndex,
OUT PSAP_IF_INFO SapIfConfig OPTIONAL,
OUT PSAP_IF_STATS SapIfStats OPTIONAL
);
/*++
*******************************************************************
S a p S e t S a p I n t e r f a c e
Routine Description:
Compares existing interface configuration with the new one and
performs an update if necessary.
Arguments:
InterfaceIndex - unique number that indentifies new interface
SapIfConfig - new interface configuration info
Return Value:
NO_ERROR - config info was changed OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapSetSapInterface (
ULONG InterfaceIndex,
PSAP_IF_INFO SapIfConfig
);
/*++
*******************************************************************
S a p S e t I n t e r f a c e E n a b l e
Routine Description:
Enables/disables interface
Arguments:
InterfaceIndex - unique number that indentifies new interface
Enable - TRUE-enable, FALSE-disable
Return Value:
NO_ERROR - config info was changed OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapSetInterfaceEnable (
ULONG InterfaceIndex,
BOOL Enable
);
/*++
*******************************************************************
S a p S e t I n t e r f a c e F i l t e r s
Routine Description:
Compares existing interface configuration with the new one and
performs an update if necessary.
Arguments:
Return Value:
NO_ERROR - config info was changed OK
ERROR_INVALID_PARAMETER - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapSetInterfaceFilters (
IN ULONG InterfaceIndex,
IN PSAP_IF_FILTERS SapIfFilters
);
/*++
*******************************************************************
S a p G e t I n t e r f a c e F i l t e r s
Routine Description:
Compares existing interface configuration with the new one and
performs an update if necessary.
Arguments:
Return Value:
NO_ERROR - config info was changed OK
ERROR_INVALID_PARAMETER - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapGetInterfaceFilters (
IN ULONG InterfaceIndex,
OUT PSAP_IF_FILTERS SapIfFilters,
OUT PULONG FilterBufferSize
);
/*++
*******************************************************************
S a p B i n d S a p I n t e r f a c e T o A d a p t e r
Routine Description:
Establishes association between interface and physical adapter
and starts sap on the interface if its admin state is enabled
Arguments:
InterfaceIndex - unique number that indentifies new interface
AdapterInfo - info associated with adapter to bind to
Return Value:
NO_ERROR - interface was bound OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapBindSapInterfaceToAdapter (
ULONG InterfaceIndex,
PIPX_ADAPTER_BINDING_INFO AdptInternInfo
);
/*++
*******************************************************************
S a p U n b i n d S a p I n t e r f a c e F r o m A d a p t e r
Routine Description:
Breaks association between interface and physical adapter
and stops sap on the interface if it was on
Arguments:
InterfaceIndex - unique number that indentifies new interface
Return Value:
NO_ERROR - interface was bound OK
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapUnbindSapInterfaceFromAdapter (
ULONG InterfaceIndex
);
/*++
*******************************************************************
S a p R e q u e s t U p d a t e
Routine Description:
Initiates update of services information over the interface
Completion of this update will be indicated by signalling
NotificationEvent passed at StartProtocol. GetEventMessage
can be used then to get the results of autostatic update
Arguments:
InterfaceIndex - unique index identifying interface to do
update on
Return Value:
NO_ERROR - operation was initiated ok
ERROR_INVALID_PARAMETER - the interface does not support updates
IPX_ERROR_NO_INTERFACE - interface with this index does not exist
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapRequestUpdate (
ULONG InterfaceIndex
);
/*++
*******************************************************************
S a p G e t F i r s t S a p I n t e r f a c e
Routine Description:
Retrieves configuration and statistic info associated with first
interface in InterfaceIndex order
Arguments:
InterfaceIndex - buffer to store unique number that indentifies interface
SapIfConfig - buffer to store configuration info
SapIfStats - buffer to store statistic info
Return Value:
NO_ERROR - info was retrieved OK
IPX_ERROR_NO_INTERFACE - no interfaces in the table
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapGetFirstSapInterface (
OUT PULONG InterfaceIndex,
OUT PSAP_IF_INFO SapIfConfig OPTIONAL,
OUT PSAP_IF_STATS SapIfStats OPTIONAL
);
/*++
*******************************************************************
S a p G e t N e x t S a p I n t e r f a c e
Routine Description:
Retrieves configuration and statistic info associated with first
interface in following interface with InterfaceIndex order in interface
index order
Arguments:
InterfaceIndex - on input - interface number to search from
on output - interface number of next interface
SapIfConfig - buffer to store configuration info
SapIfStats - buffer to store statistic info
Return Value:
NO_ERROR - info was retrieved OK
IPX_ERROR_NO_INTERFACE - no more interfaces in the table
other - operation failed (windows error code)
*******************************************************************
--*/
DWORD
SapGetNextSapInterface (
IN OUT PULONG InterfaceIndex,
OUT PSAP_IF_INFO SapIfConfig OPTIONAL,
OUT PSAP_IF_STATS SapIfStats OPTIONAL
);
/*++
*******************************************************************
A c q u i r e I n t e r f a c e R e f e n c e
Routine Description:
Increments reference count of interface block.
If reference count is grater than 0, the externally visible
data in the block are locked (can't be modified)
Arguments:
intf - pointer to externally visible part of interface control block
Return Value:
None
*******************************************************************
--*/
VOID
AcquireInterfaceReference (
IN PINTERFACE_DATA intf
);
/*++
*******************************************************************
R e l e a s e I n t e r f a c e R e f e n c e
Routine Description:
Decrements reference count of interface block.
When reference count drops to 0, cleanup routine gets called to
dispose of all resources allocated at bind time and if interface
control block is already removed from the table it gets disposed of
as well
Arguments:
intf - pointer to externally visible part of interface control block
Return Value:
None
*******************************************************************
--*/
VOID
ReleaseInterfaceReference (
IN PINTERFACE_DATA intf
);
/*++
*******************************************************************
G e t I n t e r f a c e R e f e r e n c e
Routine Description:
Finds interface control block that bound to adapter and increments reference
count on it (to prevent it from deletion while it is used).
Arguments:
AdapterIndex - unique number that indentifies adapter
Return Value:
Pointer to externally visible part of interface control block
NULL if no interface is bound to the adapter
*******************************************************************
--*/
PINTERFACE_DATA
GetInterfaceReference (
ULONG AdapterIndex
);
/*++
*******************************************************************
S a p I s S a p I n t e r f a c e
Routine Description:
Checks if interface with given index exists
Arguments:
InterfaceIndex - unique number that indentifies new interface
Return Value:
TRUE - exist
FALSE - does not
*******************************************************************
--*/
BOOL
SapIsSapInterface (
ULONG InterfaceIndex
);
#endif