393 lines
12 KiB
C
393 lines
12 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1995 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
routing\inc\rtm.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
Router Manager private interface for Routing Table Manager DLL
|
||
|
|
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Vadim Eydelman
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#ifndef _ROUTING_RMRTM
|
||
|
|
#define _ROUTING_RMRTM
|
||
|
|
|
||
|
|
// Two protocol families are currently supported (IP, IPX)
|
||
|
|
// It should be enough to modify this constant to support additional
|
||
|
|
// protocol families (from the RTM's point of view). Up to 256 families
|
||
|
|
// can be supported (if somebody needs more (???!!!), the next constant should
|
||
|
|
// be modified to free more low order bits for use by protocol family constants)
|
||
|
|
//
|
||
|
|
// Changed the number of protocol families from 2
|
||
|
|
// to 1 (as we support only IPX). IP and other
|
||
|
|
// future address families are supported by RTMv2.
|
||
|
|
//
|
||
|
|
#define RTM_NUM_OF_PROTOCOL_FAMILIES 1
|
||
|
|
|
||
|
|
// Tag that rtm ors in Protocol Family field of the handles it
|
||
|
|
// exports to clients for validation purposes
|
||
|
|
#define RTM_CLIENT_HANDLE_TAG ('RTM'<<8)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
N E T W O R K _ N U M B E R _ C M P _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Compares two network numbers and returns result that can be used for
|
||
|
|
route sorting
|
||
|
|
Arguments:
|
||
|
|
Net1,Net2 - pointers to protocol family dependent network number structures
|
||
|
|
to be compared
|
||
|
|
Return Value:
|
||
|
|
<0 - Net2 follows Net1
|
||
|
|
>0 - Net1 follows Net2
|
||
|
|
=0 - Net1==Net2
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
INT
|
||
|
|
(*PNETWORK_NUMBER_CMP_FUNC) (
|
||
|
|
PVOID Net1,
|
||
|
|
PVOID Net2
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
N E X T _ H O P _ A D D R E S S _ C M P _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Compares next hop addresses of two routes and returns result that can be used for
|
||
|
|
route sorting
|
||
|
|
Arguments:
|
||
|
|
Route1,Route2 - pointers to protocol family dependent route structures whose
|
||
|
|
next hop addresses are to be compared
|
||
|
|
Return Value:
|
||
|
|
<0 - Route2 should follow Route1 if sorted by next hop address
|
||
|
|
>0 - Route1 should follow Route2 if sorted by next hop address
|
||
|
|
=0 - Route1 has same next hop address as Route2
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
INT
|
||
|
|
(*PNEXT_HOP_ADDRESS_CMP_FUNC) (
|
||
|
|
PVOID Route1,
|
||
|
|
PVOID Route2
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
F A M I L Y _ S P E C I F I C _ D A T A _ C M P _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Compares family specific data fields of two routes and returns if
|
||
|
|
the are equal
|
||
|
|
Arguments:
|
||
|
|
Route1,Route2 - pointers to protocol family dependent route structures whose
|
||
|
|
protocol family specific data fields are to be compared
|
||
|
|
Return Value:
|
||
|
|
TRUE - protocol family specific data fields of Route1 and Route2 are
|
||
|
|
equivalent
|
||
|
|
FALSE - protocol family specific data fields of Route1 and Route2 are
|
||
|
|
different
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
BOOL
|
||
|
|
(*PFAMILY_SPECIFIC_DATA_CMP_FUNC) (
|
||
|
|
PVOID Route1,
|
||
|
|
PVOID Route2
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R O U T E _ M E T R I C _ C M P _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Compares two routes and returns result that identifies the
|
||
|
|
better route
|
||
|
|
Arguments:
|
||
|
|
Route1,Route2 - pointers to protocol family dependent route structures whose
|
||
|
|
parameters are to be compared
|
||
|
|
Return Value:
|
||
|
|
<0 - Route1 is better than Route2
|
||
|
|
>0 - Route2 is better than Route1
|
||
|
|
=0 - Route1 is as good as Route2
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
INT
|
||
|
|
(*PROUTE_METRIC_CMP_FUNC) (
|
||
|
|
PVOID Route1,
|
||
|
|
PVOID Route2
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R O U T E _ H A S H _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Retuns value that can be used for route hashing by network number
|
||
|
|
Arguments:
|
||
|
|
Net - network number to be used for hashing
|
||
|
|
Return Value:
|
||
|
|
Hash value
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
INT
|
||
|
|
(*PROUTE_HASH_FUNC) (
|
||
|
|
PVOID Net
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R O U T E _ V A L I D A T E _ F U N C
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Validates the data in the route structure and possibly updates
|
||
|
|
some of them. This routine is called each time the new route
|
||
|
|
is added to tha table or any of parameters of an existing route
|
||
|
|
changes
|
||
|
|
Arguments:
|
||
|
|
Route - pointer to protocol family dependent route structure to
|
||
|
|
be validated
|
||
|
|
Return Value:
|
||
|
|
NO_ERROR - route was successfully validated
|
||
|
|
ERROR_INVALID_PARAMETER - route structure is invalid, RTM will reject
|
||
|
|
client's request to add or change the route
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
DWORD
|
||
|
|
(*PROUTE_VALIDATE_FUNC) (
|
||
|
|
PVOID Route
|
||
|
|
);
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R O U T E _ C H A N G E _ C A L L B A C K
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Gets called whenever the best route to some desination network changes
|
||
|
|
(intended to be used by the protocol family manager to notify kernel mode
|
||
|
|
forwarders of route changes)
|
||
|
|
Arguments:
|
||
|
|
Flags - identifies what kind of change caused the call and what
|
||
|
|
information is provided in the route buffers:
|
||
|
|
RTM_ROUTE_ADDED - first route was added for a destination network,
|
||
|
|
CurBestRoute is contains added route info
|
||
|
|
RTM_ROUTE_DELETED - the only route available for a destination
|
||
|
|
network was deleted, PrevBestRoute contains deleted
|
||
|
|
route info
|
||
|
|
RTM_ROUTE_CHANGED - there was a change in any of the following
|
||
|
|
parameters of the BEST route to a destination
|
||
|
|
network:
|
||
|
|
RoutingProtocol,
|
||
|
|
InterfaceID,
|
||
|
|
Metric,
|
||
|
|
NextHopAddress,
|
||
|
|
FamilySpecificData.
|
||
|
|
PrevBestRoute contains the route info as it was
|
||
|
|
before the change, CurBestRoute contains current
|
||
|
|
best route info.
|
||
|
|
Note that the route change message can be generated
|
||
|
|
both as result of protocol adding/deleting the route
|
||
|
|
that becomes/was the best and changing best route parameters
|
||
|
|
such that the route becomes/no longer is the best route.
|
||
|
|
CurBestRoute - current best route info (if any)
|
||
|
|
PrevBestRoute - previous best route info (if any)
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
None
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
typedef
|
||
|
|
VOID
|
||
|
|
(*PROUTE_CHANGE_CALLBACK) (
|
||
|
|
DWORD Flags,
|
||
|
|
PVOID CurBestRoute,
|
||
|
|
PVOID PrevBestRoute
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct _RTM_PROTOCOL_FAMILY_CONFIG {
|
||
|
|
ULONG RPFC_MaxTableSize; // Size of address space reserved
|
||
|
|
// for the table
|
||
|
|
INT RPFC_HashSize; // Size of hash table
|
||
|
|
INT RPFC_RouteSize; // Size of route structure
|
||
|
|
PNETWORK_NUMBER_CMP_FUNC RPFC_NNcmp;
|
||
|
|
PNEXT_HOP_ADDRESS_CMP_FUNC RPFC_NHAcmp;
|
||
|
|
PFAMILY_SPECIFIC_DATA_CMP_FUNC RPFC_FSDcmp;
|
||
|
|
PROUTE_METRIC_CMP_FUNC RPFC_RMcmp;
|
||
|
|
PROUTE_HASH_FUNC RPFC_Hash;
|
||
|
|
PROUTE_VALIDATE_FUNC RPFC_Validate;
|
||
|
|
PROUTE_CHANGE_CALLBACK RPFC_Change;
|
||
|
|
} RTM_PROTOCOL_FAMILY_CONFIG, *PRTM_PROTOCOL_FAMILY_CONFIG;
|
||
|
|
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R t m C r e a t e R o u t e T a b l e
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Create route table for protocol family
|
||
|
|
Arguments:
|
||
|
|
ProtocolFamily - index that identifies protocol family
|
||
|
|
Config - protocol family table configuration parameters
|
||
|
|
Return Value:
|
||
|
|
NO_ERROR - table was created ok
|
||
|
|
ERROR_INVALID_PARAMETER - protocol family is out of range supported by the RTM
|
||
|
|
ERROR_ALREDY_EXISTS - protocol family table already exists
|
||
|
|
ERROR_NOT_ENOUGH_MEMORY - could not allocate memory to perform
|
||
|
|
the operation
|
||
|
|
ERROR_NO_SYSTEM_RESOURCES - not enough resources to perform the operation,
|
||
|
|
try again later
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
DWORD
|
||
|
|
RtmCreateRouteTable (
|
||
|
|
IN DWORD ProtocolFamily,
|
||
|
|
IN PRTM_PROTOCOL_FAMILY_CONFIG Config
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R t m D e l e t e R o u t e T a b l e
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Dispose of all resources allocated for the route table
|
||
|
|
Arguments:
|
||
|
|
ProtocolFamily - index that identifies protocol family
|
||
|
|
Return Value:
|
||
|
|
NO_ERROR - table was deleted ok
|
||
|
|
ERROR_INVALID_PARAMETER - no table to delete
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
DWORD
|
||
|
|
RtmDeleteRouteTable (
|
||
|
|
DWORD ProtocolFamily
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R t m B l o c k S e t R o u t e E n a b l e
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Disables/Reenables all routes in subset specified by enumeration
|
||
|
|
flags and corresponding criteria. This operation can only be performed
|
||
|
|
by the registered client and applies only to routes added by this
|
||
|
|
client.
|
||
|
|
Route change messages will be generated for disabled/reenabled routes that
|
||
|
|
were/became the best.
|
||
|
|
Disabled routes are invisible for route queries, but could still be
|
||
|
|
maintained by the RTM itself or routing protocol handler that added
|
||
|
|
these routes (add, delete, and aging mechanisms still apply)
|
||
|
|
Arguments:
|
||
|
|
ClientHandle - handle that identifies the client and routing protocol
|
||
|
|
of routes to be disabled/reenabled
|
||
|
|
EnumerationFlags - further limit subset of routes being enabled to only
|
||
|
|
those that have same values in the fields
|
||
|
|
specified by the flags as in CriteriaRoute
|
||
|
|
Note that only RTM_ONLY_THIS_NETWORK and RTM_ONLY_THIS_INTERFACE
|
||
|
|
can be used (RTM_ONLY_BEST_ROUTES does not apply because best
|
||
|
|
route designation is adjusted as routes are enabled/disabled and
|
||
|
|
all routes will be affected anyway)
|
||
|
|
CriteriaRoute - protocol family dependent structure (RTM_??_ROUTE) with
|
||
|
|
set values in fields that correspond to EnumerationFlags
|
||
|
|
Enable - FALSE: disable, TRUE: reenable
|
||
|
|
Return Value:
|
||
|
|
NO_ERROR - routes were disabled/reenabled ok
|
||
|
|
ERROR_NO_ROUTES - no routes exist that match specified criteria
|
||
|
|
ERROR_INVALID_HANDLE - client handle is not a valid RTM handle
|
||
|
|
ERROR_NOT_ENOUGH_MEMORY - could not allocate memory to perform
|
||
|
|
the operation
|
||
|
|
ERROR_NO_SYSTEM_RESOURCES - not enough resources to perform the operation,
|
||
|
|
try again later
|
||
|
|
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
DWORD WINAPI
|
||
|
|
RtmBlockSetRouteEnable (
|
||
|
|
IN HANDLE ClientHandle,
|
||
|
|
IN DWORD EnumerationFlags,
|
||
|
|
IN PVOID CriteriaRoute,
|
||
|
|
IN BOOL Enable
|
||
|
|
);
|
||
|
|
|
||
|
|
#define RtmBlockDisableRoutes(Handle,Flags,CriteriaRoute) \
|
||
|
|
RtmBlockSetRouteEnable(Handle,Flags,CriteriaRoute,FALSE)
|
||
|
|
#define RtmBlockReenableRoutes(Handle,Flags,CriteriaRoute) \
|
||
|
|
RtmBlockSetRouteEnable(Handle,Flags,CriteriaRoute,TRUE)
|
||
|
|
|
||
|
|
|
||
|
|
// Use this flags in enumeration methods to enumerate disabled routes
|
||
|
|
#define RTM_INCLUDE_DISABLED_ROUTES 0x40000000
|
||
|
|
|
||
|
|
/*++
|
||
|
|
*******************************************************************
|
||
|
|
|
||
|
|
R t m B l o c k C o n v e r t R o u t e s T o S t a t i c
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
Converts all routes as specified by enumeration flags to routes of
|
||
|
|
static protocol (as defined by StaticClientHandle).
|
||
|
|
No route change messages are generated as the result of this operation.
|
||
|
|
This functionality is normally used only by Router Manager for a specific
|
||
|
|
protocol family
|
||
|
|
Arguments:
|
||
|
|
ClientHandle - handle that identifies static protocol client
|
||
|
|
EnumerationFlags - limit subset of routes being converted to only
|
||
|
|
those that have same values in the fields
|
||
|
|
specified by the flags as in CriteriaRoute
|
||
|
|
CriteriaRoute - protocol family dependent structure (RTM_??_ROUTE) with
|
||
|
|
set values in fields that correspond to EnumerationFlags
|
||
|
|
Return Value:
|
||
|
|
NO_ERROR - routes were converted ok
|
||
|
|
ERROR_NO_ROUTES - no routes exist that match specified criteria
|
||
|
|
ERROR_INVALID_HANDLE - client handle is not a valid RTM handle
|
||
|
|
ERROR_NOT_ENOUGH_MEMORY - could not allocate memory to perform
|
||
|
|
the operation
|
||
|
|
ERROR_NO_SYSTEM_RESOURCES - not enough resources to perform the operation,
|
||
|
|
try again later
|
||
|
|
*******************************************************************
|
||
|
|
--*/
|
||
|
|
DWORD WINAPI
|
||
|
|
RtmBlockConvertRoutesToStatic (
|
||
|
|
IN HANDLE ClientHandle,
|
||
|
|
IN DWORD EnumerationFlags,
|
||
|
|
IN PVOID CriteriaRoute
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|