windows-nt/Source/XPSP1/NT/net/rras/ndis/ndiswan/tapi.c
2020-09-26 16:20:57 +08:00

196 lines
5 KiB
C

/*++
Copyright (c) 1990-1995 Microsoft Corporation
Module Name:
Tapi.c
Abstract:
Author:
Tony Bell (TonyBe) June 06, 1995
Environment:
Kernel Mode
Revision History:
TonyBe 06/06/95 Created
--*/
//
// We want to initialize all of the global variables now!
//
#include "wan.h"
#define __FILE_SIG__ TAPI_FILESIG
EXPORT
VOID
NdisTapiCompleteRequest(
IN NDIS_HANDLE Handle,
IN PVOID NdisRequest,
IN NDIS_STATUS Status
);
EXPORT
VOID
NdisTapiIndicateStatus(
IN NDIS_HANDLE Handle,
IN PVOID StatusBuffer,
IN UINT StatusBufferSize
);
NDIS_STATUS
NdisWanTapiRequestProc(
POPENCB OpenCB,
PNDIS_REQUEST NdisRequest
)
/*++
Routine Name:
NdisWanTapiRequestProc
Routine Description:
Procedure is called by the NdisTapi.sys driver to send
requests to the WanMiniport driver. We intercept this
just to moderate. NdisTapi could call the miniport directly
if we wanted but we don't.
Arguments:
Return Values:
--*/
{
NDIS_STATUS Status;
PWAN_REQUEST WanRequest;
PNDIS_REQUEST MyNdisRequest;
NdisWanDbgOut(DBG_TRACE, DBG_TAPI, ("NdisWanTapiRequestProc - Enter"));
NdisWanDbgOut(DBG_INFO, DBG_TAPI, ("NdisRequest: Type: 0x%x OID: 0x%x",
NdisRequest->RequestType,NdisRequest->DATA.QUERY_INFORMATION.Oid));
WanRequest =
NdisAllocateFromNPagedLookasideList(&WanRequestList);
if (WanRequest == NULL) {
return (NDIS_STATUS_RESOURCES);
}
WanRequest->Type = ASYNC;
WanRequest->Origin = NDISTAPI;
WanRequest->OpenCB = OpenCB;
WanRequest->OriginalRequest = NdisRequest;
NdisWanInitializeNotificationEvent(&WanRequest->NotificationEvent);
MyNdisRequest = &WanRequest->NdisRequest;
MyNdisRequest->RequestType =
NdisRequest->RequestType;
if (NdisRequest->RequestType == NdisRequestQueryInformation) {
MyNdisRequest->DATA.QUERY_INFORMATION.Oid =
NdisRequest->DATA.QUERY_INFORMATION.Oid;
MyNdisRequest->DATA.QUERY_INFORMATION.InformationBuffer =
NdisRequest->DATA.QUERY_INFORMATION.InformationBuffer;
MyNdisRequest->DATA.QUERY_INFORMATION.InformationBufferLength =
NdisRequest->DATA.QUERY_INFORMATION.InformationBufferLength;
MyNdisRequest->DATA.QUERY_INFORMATION.BytesWritten =
NdisRequest->DATA.QUERY_INFORMATION.BytesWritten;
} else if (NdisRequest->RequestType == NdisRequestSetInformation) {
MyNdisRequest->DATA.SET_INFORMATION.Oid =
NdisRequest->DATA.SET_INFORMATION.Oid;
MyNdisRequest->DATA.SET_INFORMATION.InformationBuffer =
NdisRequest->DATA.SET_INFORMATION.InformationBuffer;
MyNdisRequest->DATA.SET_INFORMATION.InformationBufferLength =
NdisRequest->DATA.SET_INFORMATION.InformationBufferLength;
MyNdisRequest->DATA.SET_INFORMATION.BytesRead =
NdisRequest->DATA.SET_INFORMATION.BytesRead;
}
Status = NdisWanSubmitNdisRequest(OpenCB, WanRequest);
NdisWanDbgOut(DBG_INFO, DBG_TAPI, ("Status: 0x%x", Status));
NdisWanDbgOut(DBG_TRACE, DBG_TAPI, ("NdisWanTapiRequestProc - Exit"));
return (Status);
}
VOID
NdisWanTapiRequestComplete(
POPENCB OpenCB,
PWAN_REQUEST WanRequest
)
{
PNDIS_REQUEST NdisRequest, MyNdisRequest;
NdisWanDbgOut(DBG_TRACE, DBG_TAPI,
("NdisWanTapiRequestComplete - Enter"));
NdisRequest = WanRequest->OriginalRequest;
MyNdisRequest = &WanRequest->NdisRequest;
if (NdisRequest->RequestType == NdisRequestQueryInformation) {
NdisRequest->DATA.QUERY_INFORMATION.BytesWritten =
MyNdisRequest->DATA.QUERY_INFORMATION.BytesWritten;
} else if (NdisRequest->RequestType == NdisRequestSetInformation) {
NdisRequest->DATA.SET_INFORMATION.BytesRead =
MyNdisRequest->DATA.SET_INFORMATION.BytesRead;
}
NdisWanDbgOut(DBG_INFO, DBG_TAPI,
("NdisRequest: Type: 0x%x OID: 0x%x",
NdisRequest->RequestType,
NdisRequest->DATA.QUERY_INFORMATION.Oid));
NdisWanDbgOut(DBG_INFO, DBG_TAPI,
("Status: 0x%x", WanRequest->NotificationStatus));
NdisTapiCompleteRequest(OpenCB,
NdisRequest,
WanRequest->NotificationStatus);
NdisFreeToNPagedLookasideList(&WanRequestList, WanRequest);
}
VOID
NdisWanTapiIndication(
POPENCB OpenCB,
PUCHAR StatusBuffer,
ULONG StatusBufferSize
)
/*++
Routine Name:
Routine Description:
Arguments:
Return Values:
--*/
{
NdisWanDbgOut(DBG_TRACE, DBG_TAPI, ("NdisWanTapiIndication - Enter"));
//
// If tapi is present and this miniport has registered for
// connectionwrapper services give this to tapi
//
if (OpenCB->WanInfo.FramingBits & TAPI_PROVIDER) {
NdisTapiIndicateStatus(OpenCB,
StatusBuffer,
StatusBufferSize);
}
NdisWanDbgOut(DBG_TRACE, DBG_TAPI, ("NdisWanTapiIndication - Exit"));
}