VBoxNetFltM-win.cpp@ 44529

Last change on this file since 44529 was 44529, checked in by vboxsync, 12 years ago
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1	/* $Id: VBoxNetFltM-win.cpp 44529 2013-02-04 15:54:15Z vboxsync $ */
2	/** @file
3	* VBoxNetFltM-win.cpp - Bridged Networking Driver, Windows Specific Code.
4	* Miniport edge
5	*/
6	/*
7	* Copyright (C) 2011-2012 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17	#include "VBoxNetFltCmn-win.h"
18
19	static const char* vboxNetFltWinMpDumpOid(ULONG oid);
20
21	#ifndef VBOXNETADP
22	static NDIS_STATUS vboxNetFltWinMpInitialize(OUT PNDIS_STATUS OpenErrorStatus,
23	OUT PUINT SelectedMediumIndex,
24	IN PNDIS_MEDIUM MediumArray,
25	IN UINT MediumArraySize,
26	IN NDIS_HANDLE MiniportAdapterHandle,
27	IN NDIS_HANDLE WrapperConfigurationContext)
28	{
29	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)NdisIMGetDeviceContext(MiniportAdapterHandle);
30	NDIS_STATUS Status = NDIS_STATUS_FAILURE;
31
32	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
33
34	pNetFlt->u.s.WinIf.hMiniport = MiniportAdapterHandle;
35	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initializing);
36	/* the MP state should be already set to kVBoxNetDevOpState_Initializing, just a paranoia
37	* in case NDIS for some reason calls us in some irregular way */
38	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Initializing);
39
40	NDIS_MEDIUM enmMedium = pNetFlt->u.s.WinIf.enmMedium;
41	if (enmMedium == NdisMediumWan)
42	enmMedium = NdisMedium802_3;
43
44	UINT i = 0;
45	for (; i < MediumArraySize; i++)
46	{
47	if (MediumArray[i] == enmMedium)
48	{
49	*SelectedMediumIndex = i;
50	break;
51	}
52	}
53
54	do
55	{
56	if (i != MediumArraySize)
57	{
58	NdisMSetAttributesEx(MiniportAdapterHandle, pNetFlt, 0,
59	NDIS_ATTRIBUTE_IGNORE_PACKET_TIMEOUT \|
60	NDIS_ATTRIBUTE_IGNORE_REQUEST_TIMEOUT\|
61	NDIS_ATTRIBUTE_INTERMEDIATE_DRIVER \|
62	NDIS_ATTRIBUTE_DESERIALIZE \|
63	NDIS_ATTRIBUTE_NO_HALT_ON_SUSPEND,
64	NdisInterfaceInternal /* 0 */);
65
66	pNetFlt->u.s.WinIf.MpIndicatedMediaStatus = NDIS_STATUS_MEDIA_CONNECT;
67	Assert(vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) == NdisDeviceStateD3);
68	vboxNetFltWinSetPowerState(&pNetFlt->u.s.WinIf.MpState, NdisDeviceStateD0);
69	Assert(pNetFlt->u.s.WinIf.MpState.OpState == kVBoxNetDevOpState_Initializing);
70	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Initialized);
71
72	Status = NDIS_STATUS_SUCCESS;
73	break;
74	}
75	else
76	{
77	Status = NDIS_STATUS_UNSUPPORTED_MEDIA;
78	}
79
80	Assert(Status != NDIS_STATUS_SUCCESS);
81	Assert(vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) == NdisDeviceStateD3);
82	Assert(pNetFlt->u.s.WinIf.MpState.OpState == kVBoxNetDevOpState_Initializing);
83	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
84	} while (0);
85
86	NdisSetEvent(&pNetFlt->u.s.WinIf.MpInitCompleteEvent);
87
88	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Status (0x%x)\n", pNetFlt, Status));
89
90	*OpenErrorStatus = Status;
91
92	return Status;
93	}
94
95	/**
96	* process the packet send in a "passthru" mode
97	*/
98	static NDIS_STATUS vboxNetFltWinSendPassThru(PVBOXNETFLTINS pNetFlt, PNDIS_PACKET pPacket
99	#ifdef VBOXNETFLT_NO_PACKET_QUEUE
100	, bool bNetFltActive
101	#endif
102	)
103	{
104	PNDIS_PACKET pMyPacket;
105	NDIS_STATUS Status = vboxNetFltWinPrepareSendPacket(pNetFlt, pPacket, &pMyPacket);
106	Assert(Status == NDIS_STATUS_SUCCESS);
107	if (Status == NDIS_STATUS_SUCCESS)
108	{
109	#if !defined(VBOX_LOOPBACK_USEFLAGS) /* \|\| defined(DEBUG_NETFLT_PACKETS) */
110	# ifdef VBOXNETFLT_NO_PACKET_QUEUE
111	if (bNetFltActive)
112	vboxNetFltWinLbPutSendPacket(pNetFlt, pMyPacket, false /* bFromIntNet */);
113	# else
114	/* no need for the loop enqueue & check in a passthru mode , ndis will do everything for us */
115	# endif
116	#endif
117	NdisSend(&Status, pNetFlt->u.s.WinIf.hBinding, pMyPacket);
118	if (Status != NDIS_STATUS_PENDING)
119	{
120	NdisIMCopySendCompletePerPacketInfo(pPacket, pMyPacket);
121	#if defined(VBOXNETFLT_NO_PACKET_QUEUE) && !defined(VBOX_LOOPBACK_USEFLAGS)
122	if (bNetFltActive)
123	vboxNetFltWinLbRemoveSendPacket(pNetFlt, pMyPacket);
124	#endif
125	NdisFreePacket(pMyPacket);
126	}
127	}
128	return Status;
129	}
130
131	#else /* defined VBOXNETADP */
132	DECLHIDDEN(NDIS_STATUS) vboxNetFltWinMpDoDeinitialization(PVBOXNETFLTINS pNetFlt)
133	{
134	uint64_t NanoTS = RTTimeSystemNanoTS();
135
136	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initialized);
137
138	RTSpinlockAcquire(pNetFlt->hSpinlock);
139	ASMAtomicUoWriteBool(&pNetFlt->fDisconnectedFromHost, true);
140	ASMAtomicUoWriteBool(&pNetFlt->fRediscoveryPending, false);
141	ASMAtomicUoWriteU64(&pNetFlt->NanoTSLastRediscovery, NanoTS);
142
143	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitializing);
144
145	RTSpinlockReleaseNoInts(pNetFlt->hSpinlock);
146
147	vboxNetFltWinWaitDereference(&pNetFlt->u.s.WinIf.MpState);
148
149	/* check packet pool is empty */
150	int cPPUsage = NdisPacketPoolUsage(pNetFlt->u.s.WinIf.hRecvPacketPool);
151	Assert(cPPUsage == 0);
152	/* for debugging only, ignore the err in release */
153	NOREF(cPPUsage);
154
155	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
156
157	return NDIS_STATUS_SUCCESS;
158	}
159
160	static NDIS_STATUS vboxNetFltWinMpReadApplyConfig(PVBOXNETFLTINS pThis, NDIS_HANDLE hMiniportAdapter, NDIS_HANDLE hWrapperConfigurationContext)
161	{
162	NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
163	NDIS_HANDLE hConfiguration;
164	PNDIS_CONFIGURATION_PARAMETER pParameterValue;
165	NDIS_STRING strMAC = NDIS_STRING_CONST("MAC");
166	RTMAC mac;
167
168	NdisOpenConfiguration(
169	&Status,
170	&hConfiguration,
171	hWrapperConfigurationContext);
172	Assert(Status == NDIS_STATUS_SUCCESS);
173	if (Status == NDIS_STATUS_SUCCESS)
174	{
175	do
176	{
177	int rc;
178	NDIS_CONFIGURATION_PARAMETER param;
179	WCHAR MacBuf[13];
180
181	NdisReadConfiguration(&Status,
182	&pParameterValue,
183	hConfiguration,
184	&strMAC,
185	NdisParameterString);
186	// Assert(Status == NDIS_STATUS_SUCCESS);
187	if (Status == NDIS_STATUS_SUCCESS)
188	{
189
190	rc = vboxNetFltWinMACFromNdisString(&mac, &pParameterValue->ParameterData.StringData);
191	AssertRC(rc);
192	if (RT_SUCCESS(rc))
193	{
194	break;
195	}
196	}
197
198	vboxNetFltWinGenerateMACAddress(&mac);
199	param.ParameterType = NdisParameterString;
200	param.ParameterData.StringData.Buffer = MacBuf;
201	param.ParameterData.StringData.MaximumLength = sizeof(MacBuf);
202
203	rc = vboxNetFltWinMAC2NdisString(&mac, &param.ParameterData.StringData);
204	Assert(RT_SUCCESS(rc));
205	if (RT_SUCCESS(rc))
206	{
207	NdisWriteConfiguration(&Status,
208	hConfiguration,
209	&strMAC,
210	&param);
211	Assert(Status == NDIS_STATUS_SUCCESS);
212	if (Status != NDIS_STATUS_SUCCESS)
213	{
214	/* ignore the failure */
215	Status = NDIS_STATUS_SUCCESS;
216	}
217	}
218	} while (0);
219
220	NdisCloseConfiguration(hConfiguration);
221	}
222	else
223	{
224	vboxNetFltWinGenerateMACAddress(&mac);
225	}
226
227	pThis->u.s.MacAddr = mac;
228
229	return NDIS_STATUS_SUCCESS;
230	}
231
232	DECLHIDDEN(NDIS_STATUS) vboxNetFltWinMpDoInitialization(PVBOXNETFLTINS pNetFlt, NDIS_HANDLE hMiniportAdapter, NDIS_HANDLE hWrapperConfigurationContext)
233	{
234	NDIS_STATUS Status;
235	pNetFlt->u.s.WinIf.hMiniport = hMiniportAdapter;
236
237	LogFlow(("==>"__FUNCTION__" : pNetFlt 0x%p\n", pNetFlt));
238
239	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
240	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Initializing);
241
242	vboxNetFltWinMpReadApplyConfig(pNetFlt, hMiniportAdapter, hWrapperConfigurationContext);
243
244	NdisMSetAttributesEx(hMiniportAdapter, pNetFlt,
245	0, /* CheckForHangTimeInSeconds */
246	NDIS_ATTRIBUTE_DESERIALIZE \|
247	NDIS_ATTRIBUTE_NO_HALT_ON_SUSPEND,
248	NdisInterfaceInternal/* 0 */);
249
250	Assert(vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) == NdisDeviceStateD3);
251	vboxNetFltWinSetPowerState(&pNetFlt->u.s.WinIf.MpState, NdisDeviceStateD0);
252	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initializing);
253	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Initialized);
254
255	Status = NDIS_STATUS_SUCCESS;
256
257	LogFlow(("<=="__FUNCTION__" : pNetFlt 0x%p, Status 0x%x\n", pNetFlt, Status));
258
259	return Status;
260	}
261
262	static NDIS_STATUS vboxNetFltWinMpInitialize(OUT PNDIS_STATUS OpenErrorStatus,
263	OUT PUINT SelectedMediumIndex,
264	IN PNDIS_MEDIUM MediumArray,
265	IN UINT MediumArraySize,
266	IN NDIS_HANDLE MiniportAdapterHandle,
267	IN NDIS_HANDLE WrapperConfigurationContext)
268	{
269
270	NDIS_STATUS Status = NDIS_STATUS_FAILURE;
271	UINT i = 0;
272
273	LogFlow(("==>"__FUNCTION__"\n"));
274
275	for (; i < MediumArraySize; i++)
276	{
277	if (MediumArray[i] == NdisMedium802_3)
278	{
279	*SelectedMediumIndex = i;
280	break;
281	}
282	}
283
284	if (i != MediumArraySize)
285	{
286	PDEVICE_OBJECT pPdo, pFdo;
287	#define KEY_PREFIX L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Class\\"
288	UCHAR Buf[512];
289	PUCHAR pSuffix;
290	ULONG cbBuf;
291	NDIS_STRING RtlStr;
292
293	wcscpy((WCHAR*)Buf, KEY_PREFIX);
294	pSuffix = Buf + (sizeof(KEY_PREFIX)-2);
295
296	NdisMGetDeviceProperty(MiniportAdapterHandle,
297	&pPdo,
298	&pFdo,
299	NULL, //Next Device Object
300	NULL,
301	NULL);
302
303	Status = IoGetDeviceProperty (pPdo,
304	DevicePropertyDriverKeyName,
305	sizeof(Buf) - (sizeof(KEY_PREFIX)-2),
306	pSuffix,
307	&cbBuf);
308	if (Status == STATUS_SUCCESS)
309	{
310	OBJECT_ATTRIBUTES ObjAttr;
311	HANDLE hDrvKey;
312	RtlStr.Buffer=(WCHAR*)Buf;
313	RtlStr.Length=(USHORT)cbBuf - 2 + sizeof(KEY_PREFIX) - 2;
314	RtlStr.MaximumLength=sizeof(Buf);
315
316	InitializeObjectAttributes(&ObjAttr, &RtlStr, OBJ_CASE_INSENSITIVE, NULL, NULL);
317
318	Status = ZwOpenKey(&hDrvKey, KEY_READ, &ObjAttr);
319	if (Status == STATUS_SUCCESS)
320	{
321	static UNICODE_STRING NetCfgInstanceIdValue = NDIS_STRING_CONST("NetCfgInstanceId");
322	// UCHAR valBuf[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + RTUUID_STR_LENGTH*2 + 10];
323	// ULONG cLength = sizeof(valBuf);
324	#define NAME_PREFIX L"\\DEVICE\\"
325	PKEY_VALUE_PARTIAL_INFORMATION pInfo = (PKEY_VALUE_PARTIAL_INFORMATION)Buf;
326	Status = ZwQueryValueKey(hDrvKey,
327	&NetCfgInstanceIdValue,
328	KeyValuePartialInformation,
329	pInfo,
330	sizeof(Buf),
331	&cbBuf);
332	if (Status == STATUS_SUCCESS)
333	{
334	if (pInfo->Type == REG_SZ && pInfo->DataLength > 2)
335	{
336	WCHAR *pName;
337	Status = vboxNetFltWinMemAlloc((PVOID*)&pName, pInfo->DataLength + sizeof(NAME_PREFIX));
338	if (Status == STATUS_SUCCESS)
339	{
340	PVBOXNETFLTINS pNetFlt;
341	wcscpy(pName, NAME_PREFIX);
342	wcscpy(pName+(sizeof(NAME_PREFIX)-2)/2, (WCHAR*)pInfo->Data);
343	RtlStr.Buffer=pName;
344	RtlStr.Length = (USHORT)pInfo->DataLength - 2 + sizeof(NAME_PREFIX) - 2;
345	RtlStr.MaximumLength = (USHORT)pInfo->DataLength + sizeof(NAME_PREFIX);
346
347	Status = vboxNetFltWinPtInitBind(&pNetFlt, MiniportAdapterHandle, &RtlStr, WrapperConfigurationContext);
348
349	if (Status == STATUS_SUCCESS)
350	{
351	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initialized);
352	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Initialized);
353	#if 0
354	NdisMIndicateStatus(pNetFlt->u.s.WinIf.hMiniport,
355	NDIS_STATUS_MEDIA_CONNECT,
356	(PVOID)NULL,
357	0);
358	#endif
359	}
360	else
361	{
362	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
363	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
364	}
365
366	vboxNetFltWinMemFree(pName);
367
368	}
369	}
370	else
371	{
372	Status = NDIS_STATUS_FAILURE;
373	}
374	}
375	}
376	}
377	}
378	else
379	{
380	Status = NDIS_STATUS_UNSUPPORTED_MEDIA;
381	}
382
383	/* TODO: */
384	*OpenErrorStatus = Status;
385
386	LogFlow(("<=="__FUNCTION__": Status (0x%x)\n", Status));
387
388	return Status;
389	}
390	#endif
391
392	static VOID vboxNetFltWinMpSendPackets(IN NDIS_HANDLE hMiniportAdapterContext,
393	IN PPNDIS_PACKET pPacketArray,
394	IN UINT cNumberOfPackets)
395	{
396	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)hMiniportAdapterContext;
397	NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
398	bool bNetFltActive;
399
400	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
401
402	Assert(cNumberOfPackets);
403
404	if (vboxNetFltWinIncReferenceWinIfNetFlt(pNetFlt, cNumberOfPackets, &bNetFltActive))
405	{
406	uint32_t cAdaptRefs = cNumberOfPackets;
407	uint32_t cNetFltRefs;
408	uint32_t cPassThruRefs;
409	if (bNetFltActive)
410	{
411	cNetFltRefs = cNumberOfPackets;
412	cPassThruRefs = 0;
413	}
414	else
415	{
416	cPassThruRefs = cNumberOfPackets;
417	cNetFltRefs = 0;
418	}
419
420	for (UINT i = 0; i < cNumberOfPackets; i++)
421	{
422	PNDIS_PACKET pPacket;
423
424	pPacket = pPacketArray[i];
425
426	if (!cNetFltRefs
427	#ifdef VBOXNETFLT_NO_PACKET_QUEUE
428	\|\| !vboxNetFltWinPostIntnet(pNetFlt, pPacket, VBOXNETFLT_PACKET_SRC_HOST)
429	#else
430	\|\| (fStatus = vboxNetFltWinQuEnqueuePacket(pNetFlt, pPacket, VBOXNETFLT_PACKET_SRC_HOST)) != NDIS_STATUS_SUCCESS
431	#endif
432	)
433	{
434	#ifndef VBOXNETADP
435	Status = vboxNetFltWinSendPassThru(pNetFlt, pPacket
436	#ifdef VBOXNETFLT_NO_PACKET_QUEUE
437	, !!cNetFltRefs
438	#endif
439	);
440	#else
441	if (!cNetFltRefs)
442	{
443	# ifdef VBOXNETADP_REPORT_DISCONNECTED
444	Status = NDIS_STATUS_MEDIA_DISCONNECT;
445	STATISTIC_INCREASE(pNetFlt->u.s.WinIf.cTxError);
446	# else
447	Status = NDIS_STATUS_SUCCESS;
448	# endif
449	}
450	#endif
451
452	if (Status != NDIS_STATUS_PENDING)
453	{
454	NdisMSendComplete(pNetFlt->u.s.WinIf.hMiniport, pPacket, Status);
455	}
456	else
457	{
458	cAdaptRefs--;
459	}
460	}
461	else
462	{
463	#ifdef VBOXNETFLT_NO_PACKET_QUEUE
464	NdisMSendComplete(pNetFlt->u.s.WinIf.hMiniport, pPacket, NDIS_STATUS_SUCCESS);
465	#else
466	cAdaptRefs--;
467	cNetFltRefs--;
468	#endif
469	}
470	}
471
472	if (cNetFltRefs)
473	{
474	vboxNetFltWinDecReferenceNetFlt(pNetFlt, cNetFltRefs);
475	}
476	else if (cPassThruRefs)
477	{
478	vboxNetFltWinDecReferenceModePassThru(pNetFlt, cPassThruRefs);
479	}
480	if (cAdaptRefs)
481	{
482	vboxNetFltWinDecReferenceWinIf(pNetFlt, cAdaptRefs);
483	}
484	}
485	else
486	{
487	NDIS_HANDLE h = pNetFlt->u.s.WinIf.hMiniport;
488	Assert(0);
489	if (h)
490	{
491	for (UINT i = 0; i < cNumberOfPackets; i++)
492	{
493	PNDIS_PACKET pPacket;
494	pPacket = pPacketArray[i];
495	NdisMSendComplete(h, pPacket, NDIS_STATUS_FAILURE);
496	}
497	}
498	}
499
500	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
501	}
502
503	#ifndef VBOXNETADP
504	static UINT vboxNetFltWinMpRequestStatePrep(PVBOXNETFLTINS pNetFlt, NDIS_STATUS *pStatus)
505	{
506	Assert(!pNetFlt->u.s.WinIf.StateFlags.fRequestInfo);
507
508	if (vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.PtState) > kVBoxNetDevOpState_Initialized /* protocol unbind in progress */
509	\|\| vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) > NdisDeviceStateD0)
510	{
511	*pStatus = NDIS_STATUS_FAILURE;
512	return 0;
513	}
514
515	RTSpinlockAcquire(pNetFlt->hSpinlock);
516	Assert(!pNetFlt->u.s.WinIf.StateFlags.fRequestInfo);
517	if (vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.PtState) > kVBoxNetDevOpState_Initialized /* protocol unbind in progress */
518	\|\| vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) > NdisDeviceStateD0)
519	{
520	RTSpinlockReleaseNoInts(pNetFlt->hSpinlock);
521	*pStatus = NDIS_STATUS_FAILURE;
522	return 0;
523	}
524
525	if ((vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.PtState) > NdisDeviceStateD0)
526	&& !pNetFlt->u.s.WinIf.StateFlags.fStandBy)
527	{
528	pNetFlt->u.s.WinIf.StateFlags.fRequestInfo = VBOXNDISREQUEST_INPROGRESS \| VBOXNDISREQUEST_QUEUED;
529	RTSpinlockReleaseNoInts(pNetFlt->hSpinlock);
530	*pStatus = NDIS_STATUS_PENDING;
531	return VBOXNDISREQUEST_INPROGRESS \| VBOXNDISREQUEST_QUEUED;
532	}
533
534	if (pNetFlt->u.s.WinIf.StateFlags.fStandBy)
535	{
536	RTSpinlockReleaseNoInts(pNetFlt->hSpinlock);
537	*pStatus = NDIS_STATUS_FAILURE;
538	return 0;
539	}
540
541	pNetFlt->u.s.WinIf.StateFlags.fRequestInfo = VBOXNDISREQUEST_INPROGRESS;
542
543	RTSpinlockReleaseNoInts(pNetFlt->hSpinlock);
544
545	*pStatus = NDIS_STATUS_SUCCESS;
546	return VBOXNDISREQUEST_INPROGRESS;
547	}
548
549	static NDIS_STATUS vboxNetFltWinMpRequestPostQuery(PVBOXNETFLTINS pNetFlt)
550	{
551	if (pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.Oid == OID_GEN_CURRENT_PACKET_FILTER && VBOXNETFLT_PROMISCUOUS_SUPPORTED(pNetFlt))
552	{
553	bool fNetFltActive;
554	const bool fWinIfActive = vboxNetFltWinReferenceWinIfNetFlt(pNetFlt, &fNetFltActive);
555
556	Assert(pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.InformationBuffer);
557	Assert(!pNetFlt->u.s.WinIf.StateFlags.fProcessingPacketFilter);
558
559	if (fNetFltActive)
560	{
561	/* netflt is active, simply return the cached value */
562	*((PULONG)pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.InformationBuffer) = pNetFlt->u.s.WinIf.fUpperProtocolSetFilter;
563
564	/* we've intercepted the query and completed it */
565	vboxNetFltWinMpRequestStateComplete(pNetFlt);
566
567	vboxNetFltWinDereferenceNetFlt(pNetFlt);
568	vboxNetFltWinDereferenceWinIf(pNetFlt);
569
570	return NDIS_STATUS_SUCCESS;
571	}
572	else if (fWinIfActive)
573	{
574	pNetFlt->u.s.WinIf.StateFlags.fProcessingPacketFilter = 1;
575	pNetFlt->u.s.WinIf.StateFlags.fPPFNetFlt = 0;
576	/* we're cleaning it in RequestComplete */
577	}
578	}
579
580	NDIS_STATUS Status;
581	/* issue the request */
582	NdisRequest(&Status, pNetFlt->u.s.WinIf.hBinding, &pNetFlt->u.s.WinIf.PassDownRequest);
583	if (Status != NDIS_STATUS_PENDING)
584	{
585	vboxNetFltWinPtRequestComplete(pNetFlt, &pNetFlt->u.s.WinIf.PassDownRequest, Status);
586	Status = NDIS_STATUS_PENDING;
587	}
588
589	return Status;
590	}
591
592	static NDIS_STATUS vboxNetFltWinMpQueryInformation(IN NDIS_HANDLE MiniportAdapterContext,
593	IN NDIS_OID Oid,
594	IN PVOID InformationBuffer,
595	IN ULONG InformationBufferLength,
596	OUT PULONG BytesWritten,
597	OUT PULONG BytesNeeded)
598	{
599	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)MiniportAdapterContext;
600	NDIS_STATUS Status = NDIS_STATUS_FAILURE;
601
602	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p), Oid (%s)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid)));
603
604	/* fist check if this is the oid we want to pass down */
605	switch (Oid)
606	{
607	case OID_PNP_QUERY_POWER:
608	Status = NDIS_STATUS_SUCCESS;
609	break;
610	case OID_TCP_TASK_OFFLOAD:
611	case OID_GEN_SUPPORTED_GUIDS:
612	Status = NDIS_STATUS_NOT_SUPPORTED;
613	break;
614	default:
615	{
616	/* the oid is to be passed down,
617	* check the device state if we can do it
618	* and update device state accordingly */
619	UINT uOp = vboxNetFltWinMpRequestStatePrep(pNetFlt, &Status);
620	if (uOp)
621	{
622	/* save the request info */
623	pNetFlt->u.s.WinIf.PassDownRequest.RequestType = NdisRequestQueryInformation;
624	pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.Oid = Oid;
625	pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.InformationBuffer = InformationBuffer;
626	pNetFlt->u.s.WinIf.PassDownRequest.DATA.QUERY_INFORMATION.InformationBufferLength = InformationBufferLength;
627	pNetFlt->u.s.WinIf.pcPDRBytesNeeded = BytesNeeded;
628	pNetFlt->u.s.WinIf.pcPDRBytesRW = BytesWritten;
629
630	/* the oid can be processed */
631	if (!(uOp & VBOXNDISREQUEST_QUEUED))
632	{
633	Status = vboxNetFltWinMpRequestPostQuery(pNetFlt);
634	}
635	}
636	break;
637	}
638	}
639
640	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Oid (%s), Status (0x%x)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid), Status));
641
642	return Status;
643	}
644
645	#endif /* ifndef VBOXNETADP*/
646
647	static NDIS_STATUS vboxNetFltWinMpHandlePowerState(PVBOXNETFLTINS pNetFlt, NDIS_DEVICE_POWER_STATE enmState)
648	{
649	if (vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) > NdisDeviceStateD0
650	&& enmState != NdisDeviceStateD0)
651	{
652	/* invalid state transformation */
653	Assert(0);
654	return NDIS_STATUS_FAILURE;
655	}
656
657	#ifndef VBOXNETADP
658	if (vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) == NdisDeviceStateD0
659	&& enmState > NdisDeviceStateD0)
660	{
661	pNetFlt->u.s.WinIf.StateFlags.fStandBy = TRUE;
662	}
663
664	if (vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) > NdisDeviceStateD0
665	&& enmState == NdisDeviceStateD0)
666	{
667	pNetFlt->u.s.WinIf.StateFlags.fStandBy = FALSE;
668	}
669	#endif
670
671	vboxNetFltWinSetPowerState(&pNetFlt->u.s.WinIf.MpState, enmState);
672
673	#ifndef VBOXNETADP
674	if (pNetFlt->u.s.WinIf.StateFlags.fStandBy == FALSE)
675	{
676	if (pNetFlt->u.s.WinIf.MpIndicatedMediaStatus != pNetFlt->u.s.WinIf.MpUnindicatedMediaStatus)
677	{
678	NdisMIndicateStatus(pNetFlt->u.s.WinIf.hMiniport, pNetFlt->u.s.WinIf.MpUnindicatedMediaStatus, NULL, 0);
679	NdisMIndicateStatusComplete(pNetFlt->u.s.WinIf.hMiniport);
680	pNetFlt->u.s.WinIf.MpIndicatedMediaStatus = pNetFlt->u.s.WinIf.MpUnindicatedMediaStatus;
681	}
682	}
683	else
684	{
685	pNetFlt->u.s.WinIf.MpUnindicatedMediaStatus = pNetFlt->u.s.WinIf.MpIndicatedMediaStatus;
686	}
687	#endif
688
689	return NDIS_STATUS_SUCCESS;
690	}
691
692	#ifndef VBOXNETADP
693	static NDIS_STATUS vboxNetFltWinMpRequestPostSet(PVBOXNETFLTINS pNetFlt)
694	{
695	if (pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.Oid == OID_GEN_CURRENT_PACKET_FILTER && VBOXNETFLT_PROMISCUOUS_SUPPORTED(pNetFlt))
696	{
697	/* need to disable cleaning promiscuous here ?? */
698	bool fNetFltActive;
699	const bool fWinIfActive = vboxNetFltWinReferenceWinIfNetFlt(pNetFlt, &fNetFltActive);
700
701	Assert(pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBuffer);
702	Assert(!pNetFlt->u.s.WinIf.StateFlags.fProcessingPacketFilter);
703
704	if (fNetFltActive)
705	{
706	Assert(fWinIfActive);
707
708	/* netflt is active, update the cached value */
709	/* TODO: in case we are are not in promiscuous now, we are issuing a request.
710	* what should we do in case of a failure?
711	* i.e. should we update the fUpperProtocolSetFilter in completion routine in this case? etc. */
712	pNetFlt->u.s.WinIf.fUpperProtocolSetFilter = *((PULONG)pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBuffer);
713	pNetFlt->u.s.WinIf.StateFlags.fUpperProtSetFilterInitialized = TRUE;
714
715	if (!(pNetFlt->u.s.WinIf.fOurSetFilter & NDIS_PACKET_TYPE_PROMISCUOUS))
716	{
717	pNetFlt->u.s.WinIf.fSetFilterBuffer = NDIS_PACKET_TYPE_PROMISCUOUS;
718	pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBuffer = &pNetFlt->u.s.WinIf.fSetFilterBuffer;
719	pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBufferLength = sizeof (pNetFlt->u.s.WinIf.fSetFilterBuffer);
720	pNetFlt->u.s.WinIf.StateFlags.fProcessingPacketFilter = 1;
721	pNetFlt->u.s.WinIf.StateFlags.fPPFNetFlt = 1;
722	/* we'll do dereferencing in request complete */
723	}
724	else
725	{
726	vboxNetFltWinDereferenceNetFlt(pNetFlt);
727	vboxNetFltWinDereferenceWinIf(pNetFlt);
728
729	/* we've intercepted the query and completed it */
730	vboxNetFltWinMpRequestStateComplete(pNetFlt);
731	return NDIS_STATUS_SUCCESS;
732	}
733	}
734	else if (fWinIfActive)
735	{
736	pNetFlt->u.s.WinIf.StateFlags.fProcessingPacketFilter = 1;
737	pNetFlt->u.s.WinIf.StateFlags.fPPFNetFlt = 0;
738	/* dereference on completion */
739	}
740	}
741
742	NDIS_STATUS Status;
743
744	NdisRequest(&Status, pNetFlt->u.s.WinIf.hBinding, &pNetFlt->u.s.WinIf.PassDownRequest);
745	if (Status != NDIS_STATUS_PENDING)
746	{
747	vboxNetFltWinPtRequestComplete(pNetFlt, &pNetFlt->u.s.WinIf.PassDownRequest, Status);
748	}
749
750	return Status;
751	}
752
753	DECLHIDDEN(NDIS_STATUS) vboxNetFltWinMpRequestPost(PVBOXNETFLTINS pNetFlt)
754	{
755	switch (pNetFlt->u.s.WinIf.PassDownRequest.RequestType)
756	{
757	case NdisRequestQueryInformation:
758	return vboxNetFltWinMpRequestPostQuery(pNetFlt);
759	case NdisRequestSetInformation:
760	return vboxNetFltWinMpRequestPostSet(pNetFlt);
761	default:
762	AssertBreakpoint();
763	return NDIS_STATUS_FAILURE;
764	}
765	}
766
767	static NDIS_STATUS vboxNetFltWinMpSetInformation(IN NDIS_HANDLE MiniportAdapterContext,
768	IN NDIS_OID Oid,
769	IN PVOID InformationBuffer,
770	IN ULONG InformationBufferLength,
771	OUT PULONG BytesRead,
772	OUT PULONG BytesNeeded)
773	{
774	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)MiniportAdapterContext;
775	NDIS_STATUS Status = NDIS_STATUS_FAILURE;
776
777	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p), Oid (%s)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid)));
778
779	switch (Oid)
780	{
781	case OID_PNP_SET_POWER:
782	{
783	if (InformationBufferLength >= sizeof (NDIS_DEVICE_POWER_STATE))
784	{
785	NDIS_DEVICE_POWER_STATE penmState = (NDIS_DEVICE_POWER_STATE)InformationBuffer;
786	Status = vboxNetFltWinMpHandlePowerState(pNetFlt, *penmState);
787	}
788	else
789	{
790	Status = NDIS_STATUS_INVALID_LENGTH;
791	}
792
793	if (Status == NDIS_STATUS_SUCCESS)
794	{
795	*BytesRead = sizeof (NDIS_DEVICE_POWER_STATE);
796	*BytesNeeded = 0;
797	}
798	else
799	{
800	*BytesRead = 0;
801	*BytesNeeded = sizeof (NDIS_DEVICE_POWER_STATE);
802	}
803	break;
804	}
805	default:
806	{
807	/* the oid is to be passed down,
808	* check the device state if we can do it
809	* and update device state accordingly */
810	UINT uOp = vboxNetFltWinMpRequestStatePrep(pNetFlt, &Status);
811	if (uOp)
812	{
813	/* save the request info */
814	pNetFlt->u.s.WinIf.PassDownRequest.RequestType = NdisRequestSetInformation;
815	pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.Oid = Oid;
816	pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBuffer = InformationBuffer;
817	pNetFlt->u.s.WinIf.PassDownRequest.DATA.SET_INFORMATION.InformationBufferLength = InformationBufferLength;
818	pNetFlt->u.s.WinIf.pcPDRBytesNeeded = BytesNeeded;
819	pNetFlt->u.s.WinIf.pcPDRBytesRW = BytesRead;
820
821	/* the oid can be processed */
822	if (!(uOp & VBOXNDISREQUEST_QUEUED))
823	{
824	Status = vboxNetFltWinMpRequestPostSet(pNetFlt);
825	}
826	}
827	break;
828	}
829	}
830
831	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Oid (%s), Status (0x%x)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid), Status));
832
833	return Status;
834	}
835	#else
836	static NDIS_OID g_vboxNetFltWinMpSupportedOids[] =
837	{
838	OID_GEN_SUPPORTED_LIST,
839	OID_GEN_HARDWARE_STATUS,
840	OID_GEN_MEDIA_SUPPORTED,
841	OID_GEN_MEDIA_IN_USE,
842	OID_GEN_MAXIMUM_LOOKAHEAD,
843	OID_GEN_CURRENT_LOOKAHEAD,
844	OID_GEN_MAXIMUM_FRAME_SIZE,
845	OID_GEN_MAXIMUM_TOTAL_SIZE,
846	OID_GEN_TRANSMIT_BLOCK_SIZE,
847	OID_GEN_RECEIVE_BLOCK_SIZE,
848	OID_GEN_MAC_OPTIONS,
849	OID_GEN_LINK_SPEED,
850	OID_GEN_TRANSMIT_BUFFER_SPACE,
851	OID_GEN_RECEIVE_BUFFER_SPACE,
852	OID_GEN_VENDOR_ID,
853	OID_GEN_VENDOR_DESCRIPTION,
854	OID_GEN_VENDOR_DRIVER_VERSION,
855	OID_GEN_DRIVER_VERSION,
856	OID_GEN_MAXIMUM_SEND_PACKETS,
857	OID_GEN_MEDIA_CONNECT_STATUS,
858	OID_GEN_CURRENT_PACKET_FILTER,
859	OID_PNP_CAPABILITIES,
860	OID_PNP_QUERY_POWER,
861	OID_GEN_XMIT_OK,
862	OID_GEN_RCV_OK,
863	OID_GEN_XMIT_ERROR,
864	OID_GEN_RCV_ERROR,
865	OID_GEN_RCV_NO_BUFFER,
866	OID_GEN_RCV_CRC_ERROR,
867	OID_GEN_TRANSMIT_QUEUE_LENGTH,
868	OID_PNP_SET_POWER,
869	OID_802_3_PERMANENT_ADDRESS,
870	OID_802_3_CURRENT_ADDRESS,
871	OID_802_3_MULTICAST_LIST,
872	OID_802_3_MAC_OPTIONS,
873	OID_802_3_MAXIMUM_LIST_SIZE,
874	OID_802_3_RCV_ERROR_ALIGNMENT,
875	OID_802_3_XMIT_ONE_COLLISION,
876	OID_802_3_XMIT_MORE_COLLISIONS,
877	OID_802_3_XMIT_DEFERRED,
878	OID_802_3_XMIT_MAX_COLLISIONS,
879	OID_802_3_RCV_OVERRUN,
880	OID_802_3_XMIT_UNDERRUN,
881	OID_802_3_XMIT_HEARTBEAT_FAILURE,
882	OID_802_3_XMIT_TIMES_CRS_LOST,
883	OID_802_3_XMIT_LATE_COLLISIONS,
884	};
885
886	static NDIS_STATUS vboxNetFltWinMpQueryInformation(IN NDIS_HANDLE MiniportAdapterContext,
887	IN NDIS_OID Oid,
888	IN PVOID InformationBuffer,
889	IN ULONG InformationBufferLength,
890	OUT PULONG BytesWritten,
891	OUT PULONG BytesNeeded)
892	{
893	/* static data */
894	static const NDIS_HARDWARE_STATUS enmHwStatus = NdisHardwareStatusReady;
895	static const NDIS_MEDIUM enmMedium = NdisMedium802_3;
896	static NDIS_PNP_CAPABILITIES PnPCaps = {0};
897	static BOOLEAN bPnPCapsInited = FALSE;
898
899	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)MiniportAdapterContext;
900	NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
901	ULONG64 u64Info = 0;
902	ULONG u32Info = 0;
903	USHORT u16Info = 0;
904	/* default is 4bytes */
905	const void* pvInfo = (void*)&u32Info;
906	ULONG cbInfo = sizeof (u32Info);
907
908	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p), Oid (%s)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid)));
909
910	*BytesWritten = 0;
911	*BytesNeeded = 0;
912
913	switch (Oid)
914	{
915	case OID_GEN_SUPPORTED_LIST:
916	pvInfo = g_vboxNetFltWinMpSupportedOids;
917	cbInfo = sizeof (g_vboxNetFltWinMpSupportedOids);
918	break;
919
920	case OID_GEN_HARDWARE_STATUS:
921	pvInfo = &enmHwStatus;
922	cbInfo = sizeof (NDIS_HARDWARE_STATUS);
923	break;
924
925	case OID_GEN_MEDIA_SUPPORTED:
926	case OID_GEN_MEDIA_IN_USE:
927	pvInfo = &enmMedium;
928	cbInfo = sizeof (NDIS_MEDIUM);
929	break;
930
931	case OID_GEN_MAXIMUM_LOOKAHEAD:
932	case OID_GEN_CURRENT_LOOKAHEAD:
933	u32Info = VBOXNETADP_MAX_LOOKAHEAD_SIZE;
934	break;
935
936	case OID_GEN_MAXIMUM_FRAME_SIZE:
937	u32Info = VBOXNETADP_MAX_PACKET_SIZE - VBOXNETADP_HEADER_SIZE;
938	break;
939
940	case OID_GEN_MAXIMUM_TOTAL_SIZE:
941	case OID_GEN_TRANSMIT_BLOCK_SIZE:
942	case OID_GEN_RECEIVE_BLOCK_SIZE:
943	u32Info = VBOXNETADP_MAX_PACKET_SIZE;
944	break;
945
946	case OID_GEN_MAC_OPTIONS:
947	u32Info = NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA \|
948	NDIS_MAC_OPTION_TRANSFERS_NOT_PEND \|
949	NDIS_MAC_OPTION_NO_LOOPBACK;
950	break;
951
952	case OID_GEN_LINK_SPEED:
953	u32Info = VBOXNETADP_LINK_SPEED;
954	break;
955
956	case OID_GEN_TRANSMIT_BUFFER_SPACE:
957	case OID_GEN_RECEIVE_BUFFER_SPACE:
958	u32Info = VBOXNETADP_MAX_PACKET_SIZE * VBOXNETFLT_PACKET_INFO_POOL_SIZE;
959	break;
960
961	case OID_GEN_VENDOR_ID:
962	u32Info = VBOXNETADP_VENDOR_ID;
963	break;
964
965	case OID_GEN_VENDOR_DESCRIPTION:
966	pvInfo = VBOXNETADP_VENDOR_DESC;
967	cbInfo = sizeof (VBOXNETADP_VENDOR_DESC);
968	break;
969
970	case OID_GEN_VENDOR_DRIVER_VERSION:
971	u32Info = VBOXNETADP_VENDOR_DRIVER_VERSION;
972	break;
973
974	case OID_GEN_DRIVER_VERSION:
975	u16Info = (USHORT)((VBOXNETFLT_VERSION_MP_NDIS_MAJOR << 8) + VBOXNETFLT_VERSION_MP_NDIS_MINOR);
976	pvInfo = (PVOID)&u16Info;
977	cbInfo = sizeof (USHORT);
978	break;
979
980	case OID_GEN_MAXIMUM_SEND_PACKETS:
981	u32Info = VBOXNETFLT_PACKET_INFO_POOL_SIZE;
982	break;
983
984	case OID_GEN_MEDIA_CONNECT_STATUS:
985	#ifdef VBOXNETADP_REPORT_DISCONNECTED
986	{
987	bool bNetFltActive;
988	bool bActive = vboxNetFltWinReferenceWinIfNetFltFromAdapt(pNetFlt, bNetFltActive);
989	if (bActive && bNetFltActive)
990	{
991	u32Info = NdisMediaStateConnected;
992	}
993	else
994	{
995	u32Info = NdisMediaStateDisconnected;
996	}
997
998	if (bActive)
999	{
1000	vboxNetFltWinDereferenceWinIf(pNetFlt);
1001	}
1002	if (bNetFltActive)
1003	{
1004	vboxNetFltWinDereferenceNetFlt(pNetFlt);
1005	}
1006	else
1007	{
1008	vboxNetFltWinDereferenceModePassThru(pNetFlt);
1009	}
1010	}
1011	#else
1012	u32Info = NdisMediaStateConnected;
1013	#endif
1014	break;
1015
1016	case OID_GEN_CURRENT_PACKET_FILTER:
1017	u32Info = NDIS_PACKET_TYPE_BROADCAST
1018	\| NDIS_PACKET_TYPE_DIRECTED
1019	\| NDIS_PACKET_TYPE_ALL_FUNCTIONAL
1020	\| NDIS_PACKET_TYPE_ALL_LOCAL
1021	\| NDIS_PACKET_TYPE_GROUP
1022	\| NDIS_PACKET_TYPE_MULTICAST;
1023	break;
1024
1025	case OID_PNP_CAPABILITIES:
1026	if (!bPnPCapsInited)
1027	{
1028	PnPCaps.WakeUpCapabilities.MinMagicPacketWakeUp = NdisDeviceStateUnspecified;
1029	PnPCaps.WakeUpCapabilities.MinPatternWakeUp = NdisDeviceStateUnspecified;
1030	bPnPCapsInited = TRUE;
1031	}
1032	cbInfo = sizeof (NDIS_PNP_CAPABILITIES);
1033	pvInfo = &PnPCaps;
1034
1035	break;
1036
1037	case OID_PNP_QUERY_POWER:
1038	Status = NDIS_STATUS_SUCCESS;
1039	break;
1040
1041	case OID_GEN_XMIT_OK:
1042	u64Info = pNetFlt->u.s.WinIf.cTxSuccess;
1043	pvInfo = &u64Info;
1044	if (InformationBufferLength >= sizeof (ULONG64) \|\| InformationBufferLength == 0)
1045	{
1046	cbInfo = sizeof (ULONG64);
1047	}
1048	else
1049	{
1050	cbInfo = sizeof (ULONG);
1051	}
1052	*BytesNeeded = sizeof (ULONG64);
1053	break;
1054
1055	case OID_GEN_RCV_OK:
1056	u64Info = pNetFlt->u.s.WinIf.cRxSuccess;
1057	pvInfo = &u64Info;
1058	if (InformationBufferLength >= sizeof (ULONG64) \|\| InformationBufferLength == 0)
1059	{
1060	cbInfo = sizeof (ULONG64);
1061	}
1062	else
1063	{
1064	cbInfo = sizeof (ULONG);
1065	}
1066	*BytesNeeded = sizeof (ULONG64);
1067	break;
1068
1069	case OID_GEN_XMIT_ERROR:
1070	u32Info = pNetFlt->u.s.WinIf.cTxError;
1071	break;
1072
1073	case OID_GEN_RCV_ERROR:
1074	u32Info = pNetFlt->u.s.WinIf.cRxError;
1075	break;
1076
1077	case OID_GEN_RCV_NO_BUFFER:
1078	case OID_GEN_RCV_CRC_ERROR:
1079	u32Info = 0;
1080	break;
1081
1082	case OID_GEN_TRANSMIT_QUEUE_LENGTH:
1083	u32Info = VBOXNETFLT_PACKET_INFO_POOL_SIZE;
1084	break;
1085
1086	case OID_802_3_PERMANENT_ADDRESS:
1087	pvInfo = &pNetFlt->u.s.MacAddr;
1088	cbInfo = VBOXNETADP_ETH_ADDRESS_LENGTH;
1089	break;
1090
1091	case OID_802_3_CURRENT_ADDRESS:
1092	pvInfo = &pNetFlt->u.s.MacAddr;
1093	cbInfo = VBOXNETADP_ETH_ADDRESS_LENGTH;
1094	break;
1095
1096	case OID_802_3_MAXIMUM_LIST_SIZE:
1097	u32Info = VBOXNETADP_MAX_MCAST_LIST;
1098	break;
1099
1100	case OID_802_3_MAC_OPTIONS:
1101	case OID_802_3_RCV_ERROR_ALIGNMENT:
1102	case OID_802_3_XMIT_ONE_COLLISION:
1103	case OID_802_3_XMIT_MORE_COLLISIONS:
1104	case OID_802_3_XMIT_DEFERRED:
1105	case OID_802_3_XMIT_MAX_COLLISIONS:
1106	case OID_802_3_RCV_OVERRUN:
1107	case OID_802_3_XMIT_UNDERRUN:
1108	case OID_802_3_XMIT_HEARTBEAT_FAILURE:
1109	case OID_802_3_XMIT_TIMES_CRS_LOST:
1110	case OID_802_3_XMIT_LATE_COLLISIONS:
1111	u32Info = 0;
1112	break;
1113
1114	default:
1115	Status = NDIS_STATUS_NOT_SUPPORTED;
1116	break;
1117	}
1118
1119	if (Status == NDIS_STATUS_SUCCESS)
1120	{
1121	if (cbInfo <= InformationBufferLength)
1122	{
1123	*BytesWritten = cbInfo;
1124	if (cbInfo)
1125	NdisMoveMemory(InformationBuffer, pvInfo, cbInfo);
1126	}
1127	else
1128	{
1129	*BytesNeeded = cbInfo;
1130	Status = NDIS_STATUS_INVALID_LENGTH;
1131	}
1132	}
1133
1134
1135	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Oid (%s), Status (0x%x)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid), Status));
1136
1137	return Status;
1138	}
1139
1140	static NDIS_STATUS vboxNetFltWinMpSetInformation(IN NDIS_HANDLE MiniportAdapterContext,
1141	IN NDIS_OID Oid,
1142	IN PVOID InformationBuffer,
1143	IN ULONG InformationBufferLength,
1144	OUT PULONG BytesRead,
1145	OUT PULONG BytesNeeded)
1146	{
1147	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS) MiniportAdapterContext;
1148	NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
1149
1150	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p), Oid (%s)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid)));
1151
1152	*BytesRead = 0;
1153	*BytesNeeded = 0;
1154
1155	switch (Oid)
1156	{
1157	case OID_802_3_MULTICAST_LIST:
1158	*BytesRead = InformationBufferLength;
1159	if (InformationBufferLength % VBOXNETADP_ETH_ADDRESS_LENGTH)
1160	{
1161	Status = NDIS_STATUS_INVALID_LENGTH;
1162	break;
1163	}
1164
1165	if (InformationBufferLength > (VBOXNETADP_MAX_MCAST_LIST * VBOXNETADP_ETH_ADDRESS_LENGTH))
1166	{
1167	Status = NDIS_STATUS_MULTICAST_FULL;
1168	BytesNeeded = VBOXNETADP_MAX_MCAST_LIST VBOXNETADP_ETH_ADDRESS_LENGTH;
1169	break;
1170	}
1171	break;
1172
1173	case OID_GEN_CURRENT_PACKET_FILTER:
1174	if (InformationBufferLength != sizeof (ULONG))
1175	{
1176	*BytesNeeded = sizeof (ULONG);
1177	Status = NDIS_STATUS_INVALID_LENGTH;
1178	break;
1179	}
1180
1181	*BytesRead = InformationBufferLength;
1182
1183	break;
1184
1185	case OID_GEN_CURRENT_LOOKAHEAD:
1186	if (InformationBufferLength != sizeof (ULONG)){
1187	*BytesNeeded = sizeof(ULONG);
1188	Status = NDIS_STATUS_INVALID_LENGTH;
1189	break;
1190	}
1191
1192	break;
1193
1194	case OID_PNP_SET_POWER:
1195	if (InformationBufferLength >= sizeof(NDIS_DEVICE_POWER_STATE))
1196	{
1197	NDIS_DEVICE_POWER_STATE penmState = (NDIS_DEVICE_POWER_STATE)InformationBuffer;
1198	Status = vboxNetFltWinMpHandlePowerState(pNetFlt, *penmState);
1199	}
1200	else
1201	{
1202	Status = NDIS_STATUS_INVALID_LENGTH;
1203	}
1204
1205	if (Status == NDIS_STATUS_SUCCESS)
1206	{
1207	*BytesRead = sizeof (NDIS_DEVICE_POWER_STATE);
1208	*BytesNeeded = 0;
1209	}
1210	else
1211	{
1212	*BytesRead = 0;
1213	*BytesNeeded = sizeof (NDIS_DEVICE_POWER_STATE);
1214	}
1215	break;
1216
1217	default:
1218	Status = NDIS_STATUS_INVALID_OID;
1219	break;
1220	}
1221
1222	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Oid (%s), Status (0x%x)\n", pNetFlt, vboxNetFltWinMpDumpOid(Oid), Status));
1223
1224	return Status;
1225	}
1226
1227	#endif
1228
1229	#define VBOXNETFLTDUMP_STRCASE(_t) \
1230	case _t: return #_t;
1231	#define VBOXNETFLTDUMP_STRCASE_UNKNOWN() \
1232	default: /Assert(0);/ return "Unknown";
1233
1234	static const char* vboxNetFltWinMpDumpOid(ULONG oid)
1235	{
1236	switch (oid)
1237	{
1238	VBOXNETFLTDUMP_STRCASE(OID_GEN_SUPPORTED_LIST)
1239	VBOXNETFLTDUMP_STRCASE(OID_GEN_HARDWARE_STATUS)
1240	VBOXNETFLTDUMP_STRCASE(OID_GEN_MEDIA_SUPPORTED)
1241	VBOXNETFLTDUMP_STRCASE(OID_GEN_MEDIA_IN_USE)
1242	VBOXNETFLTDUMP_STRCASE(OID_GEN_MAXIMUM_LOOKAHEAD)
1243	VBOXNETFLTDUMP_STRCASE(OID_GEN_MAXIMUM_FRAME_SIZE)
1244	VBOXNETFLTDUMP_STRCASE(OID_GEN_LINK_SPEED)
1245	VBOXNETFLTDUMP_STRCASE(OID_GEN_TRANSMIT_BUFFER_SPACE)
1246	VBOXNETFLTDUMP_STRCASE(OID_GEN_RECEIVE_BUFFER_SPACE)
1247	VBOXNETFLTDUMP_STRCASE(OID_GEN_TRANSMIT_BLOCK_SIZE)
1248	VBOXNETFLTDUMP_STRCASE(OID_GEN_RECEIVE_BLOCK_SIZE)
1249	VBOXNETFLTDUMP_STRCASE(OID_GEN_VENDOR_ID)
1250	VBOXNETFLTDUMP_STRCASE(OID_GEN_VENDOR_DESCRIPTION)
1251	VBOXNETFLTDUMP_STRCASE(OID_GEN_CURRENT_PACKET_FILTER)
1252	VBOXNETFLTDUMP_STRCASE(OID_GEN_CURRENT_LOOKAHEAD)
1253	VBOXNETFLTDUMP_STRCASE(OID_GEN_DRIVER_VERSION)
1254	VBOXNETFLTDUMP_STRCASE(OID_GEN_MAXIMUM_TOTAL_SIZE)
1255	VBOXNETFLTDUMP_STRCASE(OID_GEN_PROTOCOL_OPTIONS)
1256	VBOXNETFLTDUMP_STRCASE(OID_GEN_MAC_OPTIONS)
1257	VBOXNETFLTDUMP_STRCASE(OID_GEN_MEDIA_CONNECT_STATUS)
1258	VBOXNETFLTDUMP_STRCASE(OID_GEN_MAXIMUM_SEND_PACKETS)
1259	VBOXNETFLTDUMP_STRCASE(OID_GEN_VENDOR_DRIVER_VERSION)
1260	VBOXNETFLTDUMP_STRCASE(OID_GEN_SUPPORTED_GUIDS)
1261	VBOXNETFLTDUMP_STRCASE(OID_GEN_NETWORK_LAYER_ADDRESSES)
1262	VBOXNETFLTDUMP_STRCASE(OID_GEN_TRANSPORT_HEADER_OFFSET)
1263	VBOXNETFLTDUMP_STRCASE(OID_GEN_MACHINE_NAME)
1264	VBOXNETFLTDUMP_STRCASE(OID_GEN_RNDIS_CONFIG_PARAMETER)
1265	VBOXNETFLTDUMP_STRCASE(OID_GEN_VLAN_ID)
1266	VBOXNETFLTDUMP_STRCASE(OID_GEN_MEDIA_CAPABILITIES)
1267	VBOXNETFLTDUMP_STRCASE(OID_GEN_PHYSICAL_MEDIUM)
1268	VBOXNETFLTDUMP_STRCASE(OID_GEN_XMIT_OK)
1269	VBOXNETFLTDUMP_STRCASE(OID_GEN_RCV_OK)
1270	VBOXNETFLTDUMP_STRCASE(OID_GEN_XMIT_ERROR)
1271	VBOXNETFLTDUMP_STRCASE(OID_GEN_RCV_ERROR)
1272	VBOXNETFLTDUMP_STRCASE(OID_GEN_RCV_NO_BUFFER)
1273	VBOXNETFLTDUMP_STRCASE(OID_GEN_DIRECTED_BYTES_XMIT)
1274	VBOXNETFLTDUMP_STRCASE(OID_GEN_DIRECTED_FRAMES_XMIT)
1275	VBOXNETFLTDUMP_STRCASE(OID_GEN_MULTICAST_BYTES_XMIT)
1276	VBOXNETFLTDUMP_STRCASE(OID_GEN_MULTICAST_FRAMES_XMIT)
1277	VBOXNETFLTDUMP_STRCASE(OID_GEN_BROADCAST_BYTES_XMIT)
1278	VBOXNETFLTDUMP_STRCASE(OID_GEN_BROADCAST_FRAMES_XMIT)
1279	VBOXNETFLTDUMP_STRCASE(OID_GEN_DIRECTED_BYTES_RCV)
1280	VBOXNETFLTDUMP_STRCASE(OID_GEN_DIRECTED_FRAMES_RCV)
1281	VBOXNETFLTDUMP_STRCASE(OID_GEN_MULTICAST_BYTES_RCV)
1282	VBOXNETFLTDUMP_STRCASE(OID_GEN_MULTICAST_FRAMES_RCV)
1283	VBOXNETFLTDUMP_STRCASE(OID_GEN_BROADCAST_BYTES_RCV)
1284	VBOXNETFLTDUMP_STRCASE(OID_GEN_BROADCAST_FRAMES_RCV)
1285	VBOXNETFLTDUMP_STRCASE(OID_GEN_RCV_CRC_ERROR)
1286	VBOXNETFLTDUMP_STRCASE(OID_GEN_TRANSMIT_QUEUE_LENGTH)
1287	VBOXNETFLTDUMP_STRCASE(OID_GEN_GET_TIME_CAPS)
1288	VBOXNETFLTDUMP_STRCASE(OID_GEN_GET_NETCARD_TIME)
1289	VBOXNETFLTDUMP_STRCASE(OID_GEN_NETCARD_LOAD)
1290	VBOXNETFLTDUMP_STRCASE(OID_GEN_DEVICE_PROFILE)
1291	VBOXNETFLTDUMP_STRCASE(OID_GEN_INIT_TIME_MS)
1292	VBOXNETFLTDUMP_STRCASE(OID_GEN_RESET_COUNTS)
1293	VBOXNETFLTDUMP_STRCASE(OID_GEN_MEDIA_SENSE_COUNTS)
1294	VBOXNETFLTDUMP_STRCASE(OID_PNP_CAPABILITIES)
1295	VBOXNETFLTDUMP_STRCASE(OID_PNP_SET_POWER)
1296	VBOXNETFLTDUMP_STRCASE(OID_PNP_QUERY_POWER)
1297	VBOXNETFLTDUMP_STRCASE(OID_PNP_ADD_WAKE_UP_PATTERN)
1298	VBOXNETFLTDUMP_STRCASE(OID_PNP_REMOVE_WAKE_UP_PATTERN)
1299	VBOXNETFLTDUMP_STRCASE(OID_PNP_ENABLE_WAKE_UP)
1300	VBOXNETFLTDUMP_STRCASE(OID_802_3_PERMANENT_ADDRESS)
1301	VBOXNETFLTDUMP_STRCASE(OID_802_3_CURRENT_ADDRESS)
1302	VBOXNETFLTDUMP_STRCASE(OID_802_3_MULTICAST_LIST)
1303	VBOXNETFLTDUMP_STRCASE(OID_802_3_MAXIMUM_LIST_SIZE)
1304	VBOXNETFLTDUMP_STRCASE(OID_802_3_MAC_OPTIONS)
1305	VBOXNETFLTDUMP_STRCASE(OID_802_3_RCV_ERROR_ALIGNMENT)
1306	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_ONE_COLLISION)
1307	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_MORE_COLLISIONS)
1308	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_DEFERRED)
1309	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_MAX_COLLISIONS)
1310	VBOXNETFLTDUMP_STRCASE(OID_802_3_RCV_OVERRUN)
1311	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_UNDERRUN)
1312	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_HEARTBEAT_FAILURE)
1313	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_TIMES_CRS_LOST)
1314	VBOXNETFLTDUMP_STRCASE(OID_802_3_XMIT_LATE_COLLISIONS)
1315	VBOXNETFLTDUMP_STRCASE(OID_TCP_TASK_OFFLOAD)
1316	VBOXNETFLTDUMP_STRCASE(OID_TCP_TASK_IPSEC_ADD_SA)
1317	VBOXNETFLTDUMP_STRCASE(OID_TCP_TASK_IPSEC_DELETE_SA)
1318	VBOXNETFLTDUMP_STRCASE(OID_TCP_SAN_SUPPORT)
1319	VBOXNETFLTDUMP_STRCASE(OID_TCP_TASK_IPSEC_ADD_UDPESP_SA)
1320	VBOXNETFLTDUMP_STRCASE(OID_TCP_TASK_IPSEC_DELETE_UDPESP_SA)
1321	VBOXNETFLTDUMP_STRCASE_UNKNOWN()
1322	}
1323	}
1324
1325	DECLHIDDEN(VOID) vboxNetFltWinMpReturnPacket(IN NDIS_HANDLE hMiniportAdapterContext, IN PNDIS_PACKET pPacket)
1326	{
1327	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)hMiniportAdapterContext;
1328	PVBOXNETFLT_PKTRSVD_MP pInfo = (PVBOXNETFLT_PKTRSVD_MP)pPacket->MiniportReserved;
1329	PNDIS_PACKET pOrigPacket = pInfo->pOrigPacket;
1330	PVOID pBufToFree = pInfo->pBufToFree;
1331
1332	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
1333
1334	if (pOrigPacket)
1335	{
1336	/* the packet was sent from underlying miniport */
1337	NdisFreePacket(pPacket);
1338	NdisReturnPackets(&pOrigPacket, 1);
1339	}
1340	else
1341	{
1342	/* the packet was sent from IntNet or it is a packet we allocated on PtReceive for TransferData processing */
1343	vboxNetFltWinFreeSGNdisPacket(pPacket, !pBufToFree /* bFreeMem */);
1344	}
1345
1346	if (pBufToFree)
1347	{
1348	vboxNetFltWinMemFree(pBufToFree);
1349	}
1350
1351	vboxNetFltWinDereferenceWinIf(pNetFlt);
1352
1353	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
1354	}
1355
1356	static NDIS_STATUS vboxNetFltWinMpTransferData(OUT PNDIS_PACKET Packet,
1357	OUT PUINT BytesTransferred,
1358	IN NDIS_HANDLE hContext,
1359	IN NDIS_HANDLE MiniportReceiveContext,
1360	IN UINT ByteOffset,
1361	IN UINT BytesToTransfer)
1362	{
1363	#ifndef VBOXNETADP
1364	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)hContext;
1365	NDIS_STATUS Status;
1366
1367	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
1368
1369	if (vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.PtState) != NdisDeviceStateD0
1370	\|\| vboxNetFltWinGetPowerState(&pNetFlt->u.s.WinIf.MpState) != NdisDeviceStateD0)
1371	{
1372	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Status (0x%x)\n", pNetFlt, NDIS_STATUS_FAILURE));
1373	return NDIS_STATUS_FAILURE;
1374	}
1375
1376	NdisTransferData(&Status, pNetFlt->u.s.WinIf.hBinding, MiniportReceiveContext,
1377	ByteOffset, BytesToTransfer, Packet, BytesTransferred);
1378
1379	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Status (0x%x)\n", pNetFlt, Status));
1380	return Status;
1381	#else
1382	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", hContext));
1383	/* should never be here */
1384	Assert(0);
1385	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p), Status (0x%x)\n", hContext, NDIS_STATUS_FAILURE));
1386	return NDIS_STATUS_FAILURE;
1387	#endif
1388	}
1389
1390	static void vboxNetFltWinMpHalt(IN NDIS_HANDLE hContext)
1391	{
1392	PVBOXNETFLTINS pNetFlt = (PVBOXNETFLTINS)hContext;
1393	NDIS_STATUS Status;
1394
1395	LogFlow(("==>"__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
1396
1397	#ifndef VBOXNETADP
1398	if (vboxNetFltWinGetWinIfState(pNetFlt) == kVBoxWinIfState_Disconnecting)
1399	{
1400	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitializing);
1401	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitializing);
1402
1403	vboxNetFltWinPtCloseInterface(pNetFlt, &Status);
1404
1405	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.PtState) == kVBoxNetDevOpState_Deinitializing);
1406	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.PtState, kVBoxNetDevOpState_Deinitialized);
1407	vboxNetFltWinSetOpState(&pNetFlt->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1408	}
1409	else
1410	#endif
1411	{
1412	/* we're NOT called from protocolUnbinAdapter, perform a full disconnect */
1413	Assert(vboxNetFltWinGetOpState(&pNetFlt->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initialized);
1414	#ifndef VBOXNETADP
1415	AssertBreakpoint();
1416	#endif
1417	Status = vboxNetFltWinDetachFromInterface(pNetFlt, false);
1418	Assert(Status == NDIS_STATUS_SUCCESS);
1419	}
1420
1421	LogFlow(("<=="__FUNCTION__": pNetFlt (0x%p)\n", pNetFlt));
1422	}
1423
1424	/**
1425	* register the miniport edge
1426	*/
1427	DECLHIDDEN(NDIS_STATUS) vboxNetFltWinMpRegister(PVBOXNETFLTGLOBALS_MP pGlobalsMp, PDRIVER_OBJECT pDriverObject, PUNICODE_STRING pRegistryPathStr)
1428	{
1429	NDIS_MINIPORT_CHARACTERISTICS MpChars;
1430
1431	NdisMInitializeWrapper(&pGlobalsMp->hNdisWrapper, pDriverObject, pRegistryPathStr, NULL);
1432
1433	NdisZeroMemory(&MpChars, sizeof (MpChars));
1434
1435	MpChars.MajorNdisVersion = VBOXNETFLT_VERSION_MP_NDIS_MAJOR;
1436	MpChars.MinorNdisVersion = VBOXNETFLT_VERSION_MP_NDIS_MINOR;
1437
1438	MpChars.HaltHandler = vboxNetFltWinMpHalt;
1439	MpChars.InitializeHandler = vboxNetFltWinMpInitialize;
1440	MpChars.QueryInformationHandler = vboxNetFltWinMpQueryInformation;
1441	MpChars.SetInformationHandler = vboxNetFltWinMpSetInformation;
1442	MpChars.TransferDataHandler = vboxNetFltWinMpTransferData;
1443	MpChars.ReturnPacketHandler = vboxNetFltWinMpReturnPacket;
1444	MpChars.SendPacketsHandler = vboxNetFltWinMpSendPackets;
1445
1446	#ifndef VBOXNETADP
1447	NDIS_STATUS Status = NdisIMRegisterLayeredMiniport(pGlobalsMp->hNdisWrapper, &MpChars, sizeof (MpChars), &pGlobalsMp->hMiniport);
1448	#else
1449	NDIS_STATUS Status = NdisMRegisterMiniport(pGlobalsMp->hNdisWrapper, &MpChars, sizeof (MpChars));
1450	#endif
1451	Assert(Status == NDIS_STATUS_SUCCESS);
1452	if (Status == NDIS_STATUS_SUCCESS)
1453	{
1454	NdisMRegisterUnloadHandler(pGlobalsMp->hNdisWrapper, vboxNetFltWinUnload);
1455	}
1456
1457	return Status;
1458	}
1459
1460	/**
1461	* deregister the miniport edge
1462	*/
1463	DECLHIDDEN(VOID) vboxNetFltWinMpDeregister(PVBOXNETFLTGLOBALS_MP pGlobalsMp)
1464	{
1465	#ifndef VBOXNETADP
1466	NdisIMDeregisterLayeredMiniport(pGlobalsMp->hMiniport);
1467	#endif
1468	NdisTerminateWrapper(pGlobalsMp->hNdisWrapper, NULL);
1469
1470	NdisZeroMemory(pGlobalsMp, sizeof (*pGlobalsMp));
1471	}
1472
1473	#ifndef VBOXNETADP
1474
1475	DECLHIDDEN(NDIS_STATUS) vboxNetFltWinMpInitializeDevideInstance(PVBOXNETFLTINS pThis)
1476	{
1477	NDIS_STATUS Status;
1478	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1479	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Initializing);
1480
1481	Status = NdisIMInitializeDeviceInstanceEx(g_VBoxNetFltGlobalsWin.Mp.hMiniport,
1482	&pThis->u.s.WinIf.MpDeviceName,
1483	pThis);
1484	if (Status == NDIS_STATUS_SUCCESS)
1485	{
1486	if (pThis->u.s.WinIf.OpenCloseStatus == NDIS_STATUS_SUCCESS)
1487	{
1488	return NDIS_STATUS_SUCCESS;
1489	}
1490	AssertBreakpoint();
1491	vboxNetFltWinMpDeInitializeDeviceInstance(pThis, &Status);
1492	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1493	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1494	return pThis->u.s.WinIf.OpenCloseStatus;
1495	}
1496
1497	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1498	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1499
1500	return Status;
1501	}
1502
1503	DECLHIDDEN(bool) vboxNetFltWinMpDeInitializeDeviceInstance(PVBOXNETFLTINS pThis, PNDIS_STATUS pStatus)
1504	{
1505	NDIS_STATUS Status;
1506
1507	if (vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initializing)
1508	{
1509	Status = NdisIMCancelInitializeDeviceInstance(g_VBoxNetFltGlobalsWin.Mp.hMiniport, &pThis->u.s.WinIf.MpDeviceName);
1510
1511	if (Status == NDIS_STATUS_SUCCESS)
1512	{
1513	/* we've canceled the initialization successfully */
1514	Assert(pThis->u.s.WinIf.hMiniport == NULL);
1515	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1516	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1517	}
1518	else
1519	{
1520	NdisWaitEvent(&pThis->u.s.WinIf.MpInitCompleteEvent, 0);
1521	}
1522	}
1523
1524	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initialized
1525	\|\| vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1526	if (vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Initialized)
1527	{
1528	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitializing);
1529
1530	Status = NdisIMDeInitializeDeviceInstance(pThis->u.s.WinIf.hMiniport);
1531
1532	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1533	if (Status != NDIS_STATUS_SUCCESS)
1534	{
1535	Status = NDIS_STATUS_FAILURE;
1536	}
1537
1538	*pStatus = Status;
1539	return true;
1540	}
1541
1542	Assert(vboxNetFltWinGetOpState(&pThis->u.s.WinIf.MpState) == kVBoxNetDevOpState_Deinitialized);
1543	vboxNetFltWinSetOpState(&pThis->u.s.WinIf.MpState, kVBoxNetDevOpState_Deinitialized);
1544
1545	*pStatus = Status;
1546	return false;
1547	}
1548	#endif

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source: vbox/trunk/src/VBox/HostDrivers/VBoxNetFlt/win/drv/VBoxNetFltM-win.cpp@ 44529

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