DrvIntNet.cpp@ 91867

Last change on this file since 91867 was 90791, checked in by vboxsync, 3 years ago
Devices: More VALID_PTR -> RT_VALID_PTR/AssertPtr.
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File size: 74.3 KB

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1	/* $Id: DrvIntNet.cpp 90791 2021-08-23 10:28:24Z vboxsync $ */
2	/** @file
3	* DrvIntNet - Internal network transport driver.
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 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
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DRV_INTNET
23	#include <VBox/vmm/pdmdrv.h>
24	#include <VBox/vmm/pdmnetinline.h>
25	#include <VBox/vmm/pdmnetifs.h>
26	#include <VBox/vmm/cfgm.h>
27	#include <VBox/intnet.h>
28	#include <VBox/intnetinline.h>
29	#include <VBox/vmm/vmm.h>
30	#include <VBox/sup.h>
31	#include <VBox/err.h>
32
33	#include <VBox/param.h>
34	#include <VBox/log.h>
35	#include <iprt/asm.h>
36	#include <iprt/assert.h>
37	#include <iprt/ctype.h>
38	#include <iprt/memcache.h>
39	#include <iprt/net.h>
40	#include <iprt/semaphore.h>
41	#include <iprt/string.h>
42	#include <iprt/time.h>
43	#include <iprt/thread.h>
44	#include <iprt/uuid.h>
45	#if defined(RT_OS_DARWIN) && defined(IN_RING3)
46	# include <iprt/system.h>
47	#endif
48
49	#include "VBoxDD.h"
50
51
52	/*********************************************************************************************************************************
53	* Defined Constants And Macros *
54	*********************************************************************************************************************************/
55	/** Enables the ring-0 part. */
56	#define VBOX_WITH_DRVINTNET_IN_R0
57
58
59	/*********************************************************************************************************************************
60	* Structures and Typedefs *
61	*********************************************************************************************************************************/
62	/**
63	* The state of the asynchronous thread.
64	*/
65	typedef enum RECVSTATE
66	{
67	/** The thread is suspended. */
68	RECVSTATE_SUSPENDED = 1,
69	/** The thread is running. */
70	RECVSTATE_RUNNING,
71	/** The thread must (/has) terminate. */
72	RECVSTATE_TERMINATE,
73	/** The usual 32-bit type blowup. */
74	RECVSTATE_32BIT_HACK = 0x7fffffff
75	} RECVSTATE;
76
77	/**
78	* Internal networking driver instance data.
79	*
80	* @implements PDMINETWORKUP
81	*/
82	typedef struct DRVINTNET
83	{
84	/** The network interface. */
85	PDMINETWORKUP INetworkUpR3;
86	/** The network interface. */
87	R3PTRTYPE(PPDMINETWORKDOWN) pIAboveNet;
88	/** The network config interface.
89	* Can (in theory at least) be NULL. */
90	R3PTRTYPE(PPDMINETWORKCONFIG) pIAboveConfigR3;
91	/** Pointer to the driver instance (ring-3). */
92	PPDMDRVINSR3 pDrvInsR3;
93	/** Pointer to the communication buffer (ring-3). */
94	R3PTRTYPE(PINTNETBUF) pBufR3;
95	/** Ring-3 base interface for the ring-0 context. */
96	PDMIBASER0 IBaseR0;
97	/** Ring-3 base interface for the raw-mode context. */
98	PDMIBASERC IBaseRC;
99	RTR3PTR R3PtrAlignment;
100
101	/** The network interface for the ring-0 context. */
102	PDMINETWORKUPR0 INetworkUpR0;
103	/** Pointer to the driver instance (ring-0). */
104	PPDMDRVINSR0 pDrvInsR0;
105	/** Pointer to the communication buffer (ring-0). */
106	R0PTRTYPE(PINTNETBUF) pBufR0;
107
108	/** The network interface for the raw-mode context. */
109	PDMINETWORKUPRC INetworkUpRC;
110	/** Pointer to the driver instance. */
111	PPDMDRVINSRC pDrvInsRC;
112	RTRCPTR RCPtrAlignment;
113
114	/** The transmit lock. */
115	PDMCRITSECT XmitLock;
116	/** Interface handle. */
117	INTNETIFHANDLE hIf;
118	/** The receive thread state. */
119	RECVSTATE volatile enmRecvState;
120	/** The receive thread. */
121	RTTHREAD hRecvThread;
122	/** The event semaphore that the receive thread waits on. */
123	RTSEMEVENT hRecvEvt;
124	/** The transmit thread. */
125	PPDMTHREAD pXmitThread;
126	/** The event semaphore that the transmit thread waits on. */
127	SUPSEMEVENT hXmitEvt;
128	/** The support driver session handle. */
129	PSUPDRVSESSION pSupDrvSession;
130	/** Scatter/gather descriptor cache. */
131	RTMEMCACHE hSgCache;
132	/** Set if the link is down.
133	* When the link is down all incoming packets will be dropped. */
134	bool volatile fLinkDown;
135	/** Set when the xmit thread has been signalled. (atomic) */
136	bool volatile fXmitSignalled;
137	/** Set if the transmit thread the one busy transmitting. */
138	bool volatile fXmitOnXmitThread;
139	/** The xmit thread should process the ring ASAP. */
140	bool fXmitProcessRing;
141	/** Set if data transmission should start immediately and deactivate
142	* as late as possible. */
143	bool fActivateEarlyDeactivateLate;
144	/** Padding. */
145	bool afReserved[HC_ARCH_BITS == 64 ? 3 : 3];
146	/** Scratch space for holding the ring-0 scatter / gather descriptor.
147	* The PDMSCATTERGATHER::fFlags member is used to indicate whether it is in
148	* use or not. Always accessed while owning the XmitLock. */
149	union
150	{
151	PDMSCATTERGATHER Sg;
152	uint8_t padding[8 * sizeof(RTUINTPTR)];
153	} u;
154	/** The network name. */
155	char szNetwork[INTNET_MAX_NETWORK_NAME];
156
157	/** Number of GSO packets sent. */
158	STAMCOUNTER StatSentGso;
159	/** Number of GSO packets received. */
160	STAMCOUNTER StatReceivedGso;
161	/** Number of packets send from ring-0. */
162	STAMCOUNTER StatSentR0;
163	/** The number of times we've had to wake up the xmit thread to continue the
164	* ring-0 job. */
165	STAMCOUNTER StatXmitWakeupR0;
166	/** The number of times we've had to wake up the xmit thread to continue the
167	* ring-3 job. */
168	STAMCOUNTER StatXmitWakeupR3;
169	/** The times the xmit thread has been told to process the ring. */
170	STAMCOUNTER StatXmitProcessRing;
171	#ifdef VBOX_WITH_STATISTICS
172	/** Profiling packet transmit runs. */
173	STAMPROFILE StatTransmit;
174	/** Profiling packet receive runs. */
175	STAMPROFILEADV StatReceive;
176	#endif /* VBOX_WITH_STATISTICS */
177	#ifdef LOG_ENABLED
178	/** The nano ts of the last transfer. */
179	uint64_t u64LastTransferTS;
180	/** The nano ts of the last receive. */
181	uint64_t u64LastReceiveTS;
182	#endif
183	} DRVINTNET;
184	AssertCompileMemberAlignment(DRVINTNET, XmitLock, 8);
185	AssertCompileMemberAlignment(DRVINTNET, StatSentGso, 8);
186	/** Pointer to instance data of the internal networking driver. */
187	typedef DRVINTNET *PDRVINTNET;
188
189	/**
190	* Config value to flag translation structure.
191	*/
192	typedef struct DRVINTNETFLAG
193	{
194	/** The value. */
195	const char *pszChoice;
196	/** The corresponding flag. */
197	uint32_t fFlag;
198	} DRVINTNETFLAG;
199	/** Pointer to a const flag value translation. */
200	typedef DRVINTNETFLAG const *PCDRVINTNETFLAG;
201
202
203	#ifdef IN_RING3
204
205
206	/**
207	* Updates the MAC address on the kernel side.
208	*
209	* @returns VBox status code.
210	* @param pThis The driver instance.
211	*/
212	static int drvR3IntNetUpdateMacAddress(PDRVINTNET pThis)
213	{
214	if (!pThis->pIAboveConfigR3)
215	return VINF_SUCCESS;
216
217	INTNETIFSETMACADDRESSREQ SetMacAddressReq;
218	SetMacAddressReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
219	SetMacAddressReq.Hdr.cbReq = sizeof(SetMacAddressReq);
220	SetMacAddressReq.pSession = NIL_RTR0PTR;
221	SetMacAddressReq.hIf = pThis->hIf;
222	int rc = pThis->pIAboveConfigR3->pfnGetMac(pThis->pIAboveConfigR3, &SetMacAddressReq.Mac);
223	if (RT_SUCCESS(rc))
224	rc = PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
225	&SetMacAddressReq, sizeof(SetMacAddressReq));
226
227	Log(("drvR3IntNetUpdateMacAddress: %.*Rhxs rc=%Rrc\n", sizeof(SetMacAddressReq.Mac), &SetMacAddressReq.Mac, rc));
228	return rc;
229	}
230
231
232	/**
233	* Sets the kernel interface active or inactive.
234	*
235	* Worker for poweron, poweroff, suspend and resume.
236	*
237	* @returns VBox status code.
238	* @param pThis The driver instance.
239	* @param fActive The new state.
240	*/
241	static int drvR3IntNetSetActive(PDRVINTNET pThis, bool fActive)
242	{
243	if (!pThis->pIAboveConfigR3)
244	return VINF_SUCCESS;
245
246	INTNETIFSETACTIVEREQ SetActiveReq;
247	SetActiveReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
248	SetActiveReq.Hdr.cbReq = sizeof(SetActiveReq);
249	SetActiveReq.pSession = NIL_RTR0PTR;
250	SetActiveReq.hIf = pThis->hIf;
251	SetActiveReq.fActive = fActive;
252	int rc = PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SET_ACTIVE,
253	&SetActiveReq, sizeof(SetActiveReq));
254
255	Log(("drvR3IntNetSetActive: fActive=%d rc=%Rrc\n", fActive, rc));
256	AssertRC(rc);
257	return rc;
258	}
259
260	#endif /* IN_RING3 */
261
262	/* -=-=-=-=- PDMINETWORKUP -=-=-=-=- */
263
264	#ifndef IN_RING3
265	/**
266	* Helper for signalling the xmit thread.
267	*
268	* @returns VERR_TRY_AGAIN (convenience).
269	* @param pThis The instance data..
270	*/
271	DECLINLINE(int) drvR0IntNetSignalXmit(PDRVINTNET pThis)
272	{
273	/// @todo if (!ASMAtomicXchgBool(&pThis->fXmitSignalled, true)) - needs careful optimizing.
274	{
275	int rc = SUPSemEventSignal(pThis->pSupDrvSession, pThis->hXmitEvt);
276	AssertRC(rc);
277	STAM_REL_COUNTER_INC(&pThis->CTX_SUFF(StatXmitWakeup));
278	}
279	return VERR_TRY_AGAIN;
280	}
281	#endif /* !IN_RING3 */
282
283
284	/**
285	* Helper for processing the ring-0 consumer side of the xmit ring.
286	*
287	* The caller MUST own the xmit lock.
288	*
289	* @returns Status code from IntNetR0IfSend, except for VERR_TRY_AGAIN.
290	* @param pThis The instance data..
291	*/
292	DECLINLINE(int) drvIntNetProcessXmit(PDRVINTNET pThis)
293	{
294	Assert(PDMDrvHlpCritSectIsOwner(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock));
295
296	#ifdef IN_RING3
297	INTNETIFSENDREQ SendReq;
298	SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
299	SendReq.Hdr.cbReq = sizeof(SendReq);
300	SendReq.pSession = NIL_RTR0PTR;
301	SendReq.hIf = pThis->hIf;
302	int rc = PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SEND, &SendReq, sizeof(SendReq));
303	#else
304	int rc = IntNetR0IfSend(pThis->hIf, pThis->pSupDrvSession);
305	if (rc == VERR_TRY_AGAIN)
306	{
307	ASMAtomicUoWriteBool(&pThis->fXmitProcessRing, true);
308	drvR0IntNetSignalXmit(pThis);
309	rc = VINF_SUCCESS;
310	}
311	#endif
312	return rc;
313	}
314
315
316
317	/**
318	* @interface_method_impl{PDMINETWORKUP,pfnBeginXmit}
319	*/
320	PDMBOTHCBDECL(int) drvIntNetUp_BeginXmit(PPDMINETWORKUP pInterface, bool fOnWorkerThread)
321	{
322	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
323	#ifndef IN_RING3
324	Assert(!fOnWorkerThread);
325	#endif
326
327	int rc = PDMDrvHlpCritSectTryEnter(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock);
328	if (RT_SUCCESS(rc))
329	{
330	if (fOnWorkerThread)
331	{
332	ASMAtomicUoWriteBool(&pThis->fXmitOnXmitThread, true);
333	ASMAtomicWriteBool(&pThis->fXmitSignalled, false);
334	}
335	}
336	else if (rc == VERR_SEM_BUSY)
337	{
338	/** @todo Does this actually make sense if the other dude is an EMT and so
339	* forth? I seriously think this is ring-0 only...
340	* We might end up waking up the xmit thread unnecessarily here, even when in
341	* ring-0... This needs some more thought and optimizations when the ring-0 bits
342	* are working. */
343	#ifdef IN_RING3
344	if ( !fOnWorkerThread
345	/*&& !ASMAtomicUoReadBool(&pThis->fXmitOnXmitThread)
346	&& ASMAtomicCmpXchgBool(&pThis->fXmitSignalled, true, false)*/)
347	{
348	rc = SUPSemEventSignal(pThis->pSupDrvSession, pThis->hXmitEvt);
349	AssertRC(rc);
350	}
351	rc = VERR_TRY_AGAIN;
352	#else /* IN_RING0 */
353	rc = drvR0IntNetSignalXmit(pThis);
354	#endif /* IN_RING0 */
355	}
356	return rc;
357	}
358
359
360	/**
361	* @interface_method_impl{PDMINETWORKUP,pfnAllocBuf}
362	*/
363	PDMBOTHCBDECL(int) drvIntNetUp_AllocBuf(PPDMINETWORKUP pInterface, size_t cbMin,
364	PCPDMNETWORKGSO pGso, PPPDMSCATTERGATHER ppSgBuf)
365	{
366	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
367	int rc = VINF_SUCCESS;
368	Assert(cbMin < UINT32_MAX / 2);
369	Assert(PDMDrvHlpCritSectIsOwner(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock));
370
371	/*
372	* Allocate a S/G descriptor.
373	* This shouldn't normally fail as the NICs usually won't allocate more
374	* than one buffer at a time and the SG gets freed on sending.
375	*/
376	#ifdef IN_RING3
377	PPDMSCATTERGATHER pSgBuf = (PPDMSCATTERGATHER)RTMemCacheAlloc(pThis->hSgCache);
378	if (!pSgBuf)
379	return VERR_NO_MEMORY;
380	#else
381	PPDMSCATTERGATHER pSgBuf = &pThis->u.Sg;
382	if (RT_UNLIKELY(pSgBuf->fFlags != 0))
383	return drvR0IntNetSignalXmit(pThis);
384	#endif
385
386	/*
387	* Allocate room in the ring buffer.
388	*
389	* In ring-3 we may have to process the xmit ring before there is
390	* sufficient buffer space since we might have stacked up a few frames to the
391	* trunk while in ring-0. (There is not point of doing this in ring-0.)
392	*/
393	PINTNETHDR pHdr = NULL; /* gcc silliness */
394	if (pGso)
395	rc = IntNetRingAllocateGsoFrame(&pThis->CTX_SUFF(pBuf)->Send, (uint32_t)cbMin, pGso,
396	&pHdr, &pSgBuf->aSegs[0].pvSeg);
397	else
398	rc = IntNetRingAllocateFrame(&pThis->CTX_SUFF(pBuf)->Send, (uint32_t)cbMin,
399	&pHdr, &pSgBuf->aSegs[0].pvSeg);
400	#ifdef IN_RING3
401	if ( RT_FAILURE(rc)
402	&& pThis->CTX_SUFF(pBuf)->cbSend >= cbMin * 2 + sizeof(INTNETHDR))
403	{
404	drvIntNetProcessXmit(pThis);
405	if (pGso)
406	rc = IntNetRingAllocateGsoFrame(&pThis->CTX_SUFF(pBuf)->Send, (uint32_t)cbMin, pGso,
407	&pHdr, &pSgBuf->aSegs[0].pvSeg);
408	else
409	rc = IntNetRingAllocateFrame(&pThis->CTX_SUFF(pBuf)->Send, (uint32_t)cbMin,
410	&pHdr, &pSgBuf->aSegs[0].pvSeg);
411	}
412	#endif
413	if (RT_SUCCESS(rc))
414	{
415	/*
416	* Set up the S/G descriptor and return successfully.
417	*/
418	pSgBuf->fFlags = PDMSCATTERGATHER_FLAGS_MAGIC \| PDMSCATTERGATHER_FLAGS_OWNER_1;
419	pSgBuf->cbUsed = 0;
420	pSgBuf->cbAvailable = cbMin;
421	pSgBuf->pvAllocator = pHdr;
422	pSgBuf->pvUser = pGso ? (PPDMNETWORKGSO)pSgBuf->aSegs[0].pvSeg - 1 : NULL;
423	pSgBuf->cSegs = 1;
424	pSgBuf->aSegs[0].cbSeg = cbMin;
425
426	*ppSgBuf = pSgBuf;
427	return VINF_SUCCESS;
428	}
429
430	#ifdef IN_RING3
431	/*
432	* If the above fails, then we're really out of space. There are nobody
433	* competing with us here because of the xmit lock.
434	*/
435	rc = VERR_NO_MEMORY;
436	RTMemCacheFree(pThis->hSgCache, pSgBuf);
437
438	#else /* IN_RING0 */
439	/*
440	* If the request is reasonable, kick the xmit thread and tell it to
441	* process the xmit ring ASAP.
442	*/
443	if (pThis->CTX_SUFF(pBuf)->cbSend >= cbMin * 2 + sizeof(INTNETHDR))
444	{
445	pThis->fXmitProcessRing = true;
446	rc = drvR0IntNetSignalXmit(pThis);
447	}
448	else
449	rc = VERR_NO_MEMORY;
450	pSgBuf->fFlags = 0;
451	#endif /* IN_RING0 */
452	return rc;
453	}
454
455
456	/**
457	* @interface_method_impl{PDMINETWORKUP,pfnFreeBuf}
458	*/
459	PDMBOTHCBDECL(int) drvIntNetUp_FreeBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf)
460	{
461	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
462	PINTNETHDR pHdr = (PINTNETHDR)pSgBuf->pvAllocator;
463	#ifdef IN_RING0
464	Assert(pSgBuf == &pThis->u.Sg);
465	#endif
466	Assert(pSgBuf->fFlags == (PDMSCATTERGATHER_FLAGS_MAGIC \| PDMSCATTERGATHER_FLAGS_OWNER_1));
467	Assert(pSgBuf->cbUsed <= pSgBuf->cbAvailable);
468	Assert( pHdr->u8Type == INTNETHDR_TYPE_FRAME
469	\|\| pHdr->u8Type == INTNETHDR_TYPE_GSO);
470	Assert(PDMDrvHlpCritSectIsOwner(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock));
471
472	/** @todo LATER: try unalloc the frame. */
473	pHdr->u8Type = INTNETHDR_TYPE_PADDING;
474	IntNetRingCommitFrame(&pThis->CTX_SUFF(pBuf)->Send, pHdr);
475
476	#ifdef IN_RING3
477	RTMemCacheFree(pThis->hSgCache, pSgBuf);
478	#else
479	pSgBuf->fFlags = 0;
480	#endif
481	return VINF_SUCCESS;
482	}
483
484
485	/**
486	* @interface_method_impl{PDMINETWORKUP,pfnSendBuf}
487	*/
488	PDMBOTHCBDECL(int) drvIntNetUp_SendBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf, bool fOnWorkerThread)
489	{
490	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
491	STAM_PROFILE_START(&pThis->StatTransmit, a);
492	RT_NOREF_PV(fOnWorkerThread);
493
494	AssertPtr(pSgBuf);
495	Assert(pSgBuf->fFlags == (PDMSCATTERGATHER_FLAGS_MAGIC \| PDMSCATTERGATHER_FLAGS_OWNER_1));
496	Assert(pSgBuf->cbUsed <= pSgBuf->cbAvailable);
497	Assert(PDMDrvHlpCritSectIsOwner(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock));
498
499	if (pSgBuf->pvUser)
500	STAM_COUNTER_INC(&pThis->StatSentGso);
501
502	/*
503	* Commit the frame and push it thru the switch.
504	*/
505	PINTNETHDR pHdr = (PINTNETHDR)pSgBuf->pvAllocator;
506	IntNetRingCommitFrameEx(&pThis->CTX_SUFF(pBuf)->Send, pHdr, pSgBuf->cbUsed);
507	int rc = drvIntNetProcessXmit(pThis);
508	STAM_PROFILE_STOP(&pThis->StatTransmit, a);
509
510	/*
511	* Free the descriptor and return.
512	*/
513	#ifdef IN_RING3
514	RTMemCacheFree(pThis->hSgCache, pSgBuf);
515	#else
516	STAM_REL_COUNTER_INC(&pThis->StatSentR0);
517	pSgBuf->fFlags = 0;
518	#endif
519	return rc;
520	}
521
522
523	/**
524	* @interface_method_impl{PDMINETWORKUP,pfnEndXmit}
525	*/
526	PDMBOTHCBDECL(void) drvIntNetUp_EndXmit(PPDMINETWORKUP pInterface)
527	{
528	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
529	ASMAtomicUoWriteBool(&pThis->fXmitOnXmitThread, false);
530	PDMDrvHlpCritSectLeave(pThis->CTX_SUFF(pDrvIns), &pThis->XmitLock);
531	}
532
533
534	/**
535	* @interface_method_impl{PDMINETWORKUP,pfnSetPromiscuousMode}
536	*/
537	PDMBOTHCBDECL(void) drvIntNetUp_SetPromiscuousMode(PPDMINETWORKUP pInterface, bool fPromiscuous)
538	{
539	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
540
541	#ifdef IN_RING3
542	INTNETIFSETPROMISCUOUSMODEREQ Req;
543	Req.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
544	Req.Hdr.cbReq = sizeof(Req);
545	Req.pSession = NIL_RTR0PTR;
546	Req.hIf = pThis->hIf;
547	Req.fPromiscuous = fPromiscuous;
548	int rc = PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE, &Req, sizeof(Req));
549	#else /* IN_RING0 */
550	int rc = IntNetR0IfSetPromiscuousMode(pThis->hIf, pThis->pSupDrvSession, fPromiscuous);
551	#endif /* IN_RING0 */
552
553	LogFlow(("drvIntNetUp_SetPromiscuousMode: fPromiscuous=%RTbool\n", fPromiscuous));
554	AssertRC(rc);
555	}
556
557	#ifdef IN_RING3
558
559	/**
560	* @interface_method_impl{PDMINETWORKUP,pfnNotifyLinkChanged}
561	*/
562	static DECLCALLBACK(void) drvR3IntNetUp_NotifyLinkChanged(PPDMINETWORKUP pInterface, PDMNETWORKLINKSTATE enmLinkState)
563	{
564	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, CTX_SUFF(INetworkUp));
565	bool fLinkDown;
566	switch (enmLinkState)
567	{
568	case PDMNETWORKLINKSTATE_DOWN:
569	case PDMNETWORKLINKSTATE_DOWN_RESUME:
570	fLinkDown = true;
571	break;
572	default:
573	AssertMsgFailed(("enmLinkState=%d\n", enmLinkState));
574	RT_FALL_THRU();
575	case PDMNETWORKLINKSTATE_UP:
576	fLinkDown = false;
577	break;
578	}
579	LogFlow(("drvR3IntNetUp_NotifyLinkChanged: enmLinkState=%d %d->%d\n", enmLinkState, pThis->fLinkDown, fLinkDown));
580	ASMAtomicXchgSize(&pThis->fLinkDown, fLinkDown);
581	}
582
583
584	/* -=-=-=-=- Transmit Thread -=-=-=-=- */
585
586	/**
587	* Async I/O thread for deferred packet transmission.
588	*
589	* @returns VBox status code. Returning failure will naturally terminate the thread.
590	* @param pDrvIns The internal networking driver instance.
591	* @param pThread The thread.
592	*/
593	static DECLCALLBACK(int) drvR3IntNetXmitThread(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
594	{
595	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
596
597	while (pThread->enmState == PDMTHREADSTATE_RUNNING)
598	{
599	/*
600	* Transmit any pending packets.
601	*/
602	/** @todo Optimize this. We shouldn't call pfnXmitPending unless asked for.
603	* Also there is no need to call drvIntNetProcessXmit if we also
604	* called pfnXmitPending and send one or more frames. */
605	if (ASMAtomicXchgBool(&pThis->fXmitProcessRing, false))
606	{
607	STAM_REL_COUNTER_INC(&pThis->StatXmitProcessRing);
608	PDMDrvHlpCritSectEnter(pDrvIns, &pThis->XmitLock, VERR_IGNORED);
609	drvIntNetProcessXmit(pThis);
610	PDMDrvHlpCritSectLeave(pDrvIns, &pThis->XmitLock);
611	}
612
613	pThis->pIAboveNet->pfnXmitPending(pThis->pIAboveNet);
614
615	if (ASMAtomicXchgBool(&pThis->fXmitProcessRing, false))
616	{
617	STAM_REL_COUNTER_INC(&pThis->StatXmitProcessRing);
618	PDMDrvHlpCritSectEnter(pDrvIns, &pThis->XmitLock, VERR_IGNORED);
619	drvIntNetProcessXmit(pThis);
620	PDMDrvHlpCritSectLeave(pDrvIns, &pThis->XmitLock);
621	}
622
623	/*
624	* Block until we've got something to send or is supposed
625	* to leave the running state.
626	*/
627	int rc = SUPSemEventWaitNoResume(pThis->pSupDrvSession, pThis->hXmitEvt, RT_INDEFINITE_WAIT);
628	AssertLogRelMsgReturn(RT_SUCCESS(rc) \|\| rc == VERR_INTERRUPTED, ("%Rrc\n", rc), rc);
629	if (RT_UNLIKELY(pThread->enmState != PDMTHREADSTATE_RUNNING))
630	break;
631
632	}
633
634	/* The thread is being initialized, suspended or terminated. */
635	return VINF_SUCCESS;
636	}
637
638
639	/**
640	* @copydoc FNPDMTHREADWAKEUPDRV
641	*/
642	static DECLCALLBACK(int) drvR3IntNetXmitWakeUp(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
643	{
644	RT_NOREF(pThread);
645	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
646	return SUPSemEventSignal(pThis->pSupDrvSession, pThis->hXmitEvt);
647	}
648
649
650	/* -=-=-=-=- Receive Thread -=-=-=-=- */
651
652	/**
653	* Wait for space to become available up the driver/device chain.
654	*
655	* @returns VINF_SUCCESS if space is available.
656	* @returns VERR_STATE_CHANGED if the state changed.
657	* @returns VBox status code on other errors.
658	* @param pThis Pointer to the instance data.
659	*/
660	static int drvR3IntNetRecvWaitForSpace(PDRVINTNET pThis)
661	{
662	LogFlow(("drvR3IntNetRecvWaitForSpace:\n"));
663	STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a);
664	int rc = pThis->pIAboveNet->pfnWaitReceiveAvail(pThis->pIAboveNet, RT_INDEFINITE_WAIT);
665	STAM_PROFILE_ADV_START(&pThis->StatReceive, a);
666	LogFlow(("drvR3IntNetRecvWaitForSpace: returns %Rrc\n", rc));
667	return rc;
668	}
669
670
671	/**
672	* Executes async I/O (RUNNING mode).
673	*
674	* @returns VERR_STATE_CHANGED if the state changed.
675	* @returns Appropriate VBox status code (error) on fatal error.
676	* @param pThis The driver instance data.
677	*/
678	static int drvR3IntNetRecvRun(PDRVINTNET pThis)
679	{
680	PPDMDRVINS pDrvIns = pThis->pDrvInsR3;
681	LogFlow(("drvR3IntNetRecvRun: pThis=%p\n", pThis));
682
683	/*
684	* The running loop - processing received data and waiting for more to arrive.
685	*/
686	STAM_PROFILE_ADV_START(&pThis->StatReceive, a);
687	PINTNETBUF pBuf = pThis->CTX_SUFF(pBuf);
688	PINTNETRINGBUF pRingBuf = &pBuf->Recv;
689	for (;;)
690	{
691	/*
692	* Process the receive buffer.
693	*/
694	PINTNETHDR pHdr;
695	while ((pHdr = IntNetRingGetNextFrameToRead(pRingBuf)) != NULL)
696	{
697	/*
698	* Check the state and then inspect the packet.
699	*/
700	if (pThis->enmRecvState != RECVSTATE_RUNNING)
701	{
702	STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a);
703	LogFlow(("drvR3IntNetRecvRun: returns VERR_STATE_CHANGED (state changed - #0)\n"));
704	return VERR_STATE_CHANGED;
705	}
706
707	Log2(("pHdr=%p offRead=%#x: %.8Rhxs\n", pHdr, pRingBuf->offReadX, pHdr));
708	uint8_t u8Type = pHdr->u8Type;
709	if ( ( u8Type == INTNETHDR_TYPE_FRAME
710	\|\| u8Type == INTNETHDR_TYPE_GSO)
711	&& !pThis->fLinkDown)
712	{
713	/*
714	* Check if there is room for the frame and pass it up.
715	*/
716	size_t cbFrame = pHdr->cbFrame;
717	int rc = pThis->pIAboveNet->pfnWaitReceiveAvail(pThis->pIAboveNet, 0);
718	if (rc == VINF_SUCCESS)
719	{
720	if (u8Type == INTNETHDR_TYPE_FRAME)
721	{
722	/*
723	* Normal frame.
724	*/
725	#ifdef LOG_ENABLED
726	if (LogIsEnabled())
727	{
728	uint64_t u64Now = RTTimeProgramNanoTS();
729	LogFlow(("drvR3IntNetRecvRun: %-4d bytes at %llu ns deltas: r=%llu t=%llu\n",
730	cbFrame, u64Now, u64Now - pThis->u64LastReceiveTS, u64Now - pThis->u64LastTransferTS));
731	pThis->u64LastReceiveTS = u64Now;
732	Log2(("drvR3IntNetRecvRun: cbFrame=%#x\n"
733	"%.*Rhxd\n",
734	cbFrame, cbFrame, IntNetHdrGetFramePtr(pHdr, pBuf)));
735	}
736	#endif
737	rc = pThis->pIAboveNet->pfnReceive(pThis->pIAboveNet, IntNetHdrGetFramePtr(pHdr, pBuf), cbFrame);
738	AssertRC(rc);
739
740	/* skip to the next frame. */
741	IntNetRingSkipFrame(pRingBuf);
742	}
743	else
744	{
745	/*
746	* Generic segment offload frame (INTNETHDR_TYPE_GSO).
747	*/
748	STAM_COUNTER_INC(&pThis->StatReceivedGso);
749	PCPDMNETWORKGSO pGso = IntNetHdrGetGsoContext(pHdr, pBuf);
750	if (PDMNetGsoIsValid(pGso, cbFrame, cbFrame - sizeof(PDMNETWORKGSO)))
751	{
752	if ( !pThis->pIAboveNet->pfnReceiveGso
753	\|\| RT_FAILURE(pThis->pIAboveNet->pfnReceiveGso(pThis->pIAboveNet,
754	(uint8_t *)(pGso + 1),
755	pHdr->cbFrame - sizeof(PDMNETWORKGSO),
756	pGso)))
757	{
758	/*
759	* This is where we do the offloading since this NIC
760	* does not support large receive offload (LRO).
761	*/
762	cbFrame -= sizeof(PDMNETWORKGSO);
763
764	uint8_t abHdrScratch[256];
765	uint32_t const cSegs = PDMNetGsoCalcSegmentCount(pGso, cbFrame);
766	#ifdef LOG_ENABLED
767	if (LogIsEnabled())
768	{
769	uint64_t u64Now = RTTimeProgramNanoTS();
770	LogFlow(("drvR3IntNetRecvRun: %-4d bytes at %llu ns deltas: r=%llu t=%llu; GSO - %u segs\n",
771	cbFrame, u64Now, u64Now - pThis->u64LastReceiveTS, u64Now - pThis->u64LastTransferTS, cSegs));
772	pThis->u64LastReceiveTS = u64Now;
773	Log2(("drvR3IntNetRecvRun: cbFrame=%#x type=%d cbHdrsTotal=%#x cbHdrsSeg=%#x Hdr1=%#x Hdr2=%#x MMS=%#x\n"
774	"%.*Rhxd\n",
775	cbFrame, pGso->u8Type, pGso->cbHdrsTotal, pGso->cbHdrsSeg, pGso->offHdr1, pGso->offHdr2, pGso->cbMaxSeg,
776	cbFrame - sizeof(*pGso), pGso + 1));
777	}
778	#endif
779	for (uint32_t iSeg = 0; iSeg < cSegs; iSeg++)
780	{
781	uint32_t cbSegFrame;
782	void pvSegFrame = PDMNetGsoCarveSegmentQD(pGso, (uint8_t )(pGso + 1), cbFrame,
783	abHdrScratch, iSeg, cSegs, &cbSegFrame);
784	rc = drvR3IntNetRecvWaitForSpace(pThis);
785	if (RT_FAILURE(rc))
786	{
787	Log(("drvR3IntNetRecvRun: drvR3IntNetRecvWaitForSpace -> %Rrc; iSeg=%u cSegs=%u\n", rc, iSeg, cSegs));
788	break; /* we drop the rest. */
789	}
790	rc = pThis->pIAboveNet->pfnReceive(pThis->pIAboveNet, pvSegFrame, cbSegFrame);
791	AssertRC(rc);
792	}
793	}
794	}
795	else
796	{
797	AssertMsgFailed(("cbFrame=%#x type=%d cbHdrsTotal=%#x cbHdrsSeg=%#x Hdr1=%#x Hdr2=%#x MMS=%#x\n",
798	cbFrame, pGso->u8Type, pGso->cbHdrsTotal, pGso->cbHdrsSeg, pGso->offHdr1, pGso->offHdr2, pGso->cbMaxSeg));
799	STAM_REL_COUNTER_INC(&pBuf->cStatBadFrames);
800	}
801
802	IntNetRingSkipFrame(pRingBuf);
803	}
804	}
805	else
806	{
807	/*
808	* Wait for sufficient space to become available and then retry.
809	*/
810	rc = drvR3IntNetRecvWaitForSpace(pThis);
811	if (RT_FAILURE(rc))
812	{
813	if (rc == VERR_INTERRUPTED)
814	{
815	/*
816	* NIC is going down, likely because the VM is being reset. Skip the frame.
817	*/
818	AssertMsg(IntNetIsValidFrameType(pHdr->u8Type), ("Unknown frame type %RX16! offRead=%#x\n", pHdr->u8Type, pRingBuf->offReadX));
819	IntNetRingSkipFrame(pRingBuf);
820	}
821	else
822	{
823	STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a);
824	LogFlow(("drvR3IntNetRecvRun: returns %Rrc (wait-for-space)\n", rc));
825	return rc;
826	}
827	}
828	}
829	}
830	else
831	{
832	/*
833	* Link down or unknown frame - skip to the next frame.
834	*/
835	AssertMsg(IntNetIsValidFrameType(pHdr->u8Type), ("Unknown frame type %RX16! offRead=%#x\n", pHdr->u8Type, pRingBuf->offReadX));
836	IntNetRingSkipFrame(pRingBuf);
837	STAM_REL_COUNTER_INC(&pBuf->cStatBadFrames);
838	}
839	} /* while more received data */
840
841	/*
842	* Wait for data, checking the state before we block.
843	*/
844	if (pThis->enmRecvState != RECVSTATE_RUNNING)
845	{
846	STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a);
847	LogFlow(("drvR3IntNetRecvRun: returns VINF_SUCCESS (state changed - #1)\n"));
848	return VERR_STATE_CHANGED;
849	}
850	INTNETIFWAITREQ WaitReq;
851	WaitReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
852	WaitReq.Hdr.cbReq = sizeof(WaitReq);
853	WaitReq.pSession = NIL_RTR0PTR;
854	WaitReq.hIf = pThis->hIf;
855	WaitReq.cMillies = 30000; /* 30s - don't wait forever, timeout now and then. */
856	STAM_PROFILE_ADV_STOP(&pThis->StatReceive, a);
857	int rc = PDMDrvHlpSUPCallVMMR0Ex(pDrvIns, VMMR0_DO_INTNET_IF_WAIT, &WaitReq, sizeof(WaitReq));
858	if ( RT_FAILURE(rc)
859	&& rc != VERR_TIMEOUT
860	&& rc != VERR_INTERRUPTED)
861	{
862	LogFlow(("drvR3IntNetRecvRun: returns %Rrc\n", rc));
863	return rc;
864	}
865	STAM_PROFILE_ADV_START(&pThis->StatReceive, a);
866	}
867	}
868
869
870	/**
871	* Asynchronous I/O thread for handling receive.
872	*
873	* @returns VINF_SUCCESS (ignored).
874	* @param hThreadSelf Thread handle.
875	* @param pvUser Pointer to a DRVINTNET structure.
876	*/
877	static DECLCALLBACK(int) drvR3IntNetRecvThread(RTTHREAD hThreadSelf, void *pvUser)
878	{
879	RT_NOREF(hThreadSelf);
880	PDRVINTNET pThis = (PDRVINTNET)pvUser;
881	LogFlow(("drvR3IntNetRecvThread: pThis=%p\n", pThis));
882	STAM_PROFILE_ADV_START(&pThis->StatReceive, a);
883
884	/*
885	* The main loop - acting on state.
886	*/
887	for (;;)
888	{
889	RECVSTATE enmRecvState = pThis->enmRecvState;
890	switch (enmRecvState)
891	{
892	case RECVSTATE_SUSPENDED:
893	{
894	int rc = RTSemEventWait(pThis->hRecvEvt, 30000);
895	if ( RT_FAILURE(rc)
896	&& rc != VERR_TIMEOUT)
897	{
898	LogFlow(("drvR3IntNetRecvThread: returns %Rrc\n", rc));
899	return rc;
900	}
901	break;
902	}
903
904	case RECVSTATE_RUNNING:
905	{
906	int rc = drvR3IntNetRecvRun(pThis);
907	if ( rc != VERR_STATE_CHANGED
908	&& RT_FAILURE(rc))
909	{
910	LogFlow(("drvR3IntNetRecvThread: returns %Rrc\n", rc));
911	return rc;
912	}
913	break;
914	}
915
916	default:
917	AssertMsgFailed(("Invalid state %d\n", enmRecvState));
918	RT_FALL_THRU();
919	case RECVSTATE_TERMINATE:
920	LogFlow(("drvR3IntNetRecvThread: returns VINF_SUCCESS\n"));
921	return VINF_SUCCESS;
922	}
923	}
924	}
925
926
927	/* -=-=-=-=- PDMIBASERC -=-=-=-=- */
928
929	/**
930	* @interface_method_impl{PDMIBASERC,pfnQueryInterface}
931	*/
932	static DECLCALLBACK(RTRCPTR) drvR3IntNetIBaseRC_QueryInterface(PPDMIBASERC pInterface, const char *pszIID)
933	{
934	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, IBaseRC);
935
936	#if 0
937	PDMIBASERC_RETURN_INTERFACE(pThis->pDrvInsR3, pszIID, PDMINETWORKUP, &pThis->INetworkUpRC);
938	#else
939	RT_NOREF(pThis, pszIID);
940	#endif
941	return NIL_RTRCPTR;
942	}
943
944
945	/* -=-=-=-=- PDMIBASER0 -=-=-=-=- */
946
947	/**
948	* @interface_method_impl{PDMIBASER0,pfnQueryInterface}
949	*/
950	static DECLCALLBACK(RTR0PTR) drvR3IntNetIBaseR0_QueryInterface(PPDMIBASER0 pInterface, const char *pszIID)
951	{
952	PDRVINTNET pThis = RT_FROM_MEMBER(pInterface, DRVINTNET, IBaseR0);
953	#ifdef VBOX_WITH_DRVINTNET_IN_R0
954	PDMIBASER0_RETURN_INTERFACE(pThis->pDrvInsR3, pszIID, PDMINETWORKUP, &pThis->INetworkUpR0);
955	#endif
956	return NIL_RTR0PTR;
957	}
958
959
960	/* -=-=-=-=- PDMIBASE -=-=-=-=- */
961
962	/**
963	* @interface_method_impl{PDMIBASE,pfnQueryInterface}
964	*/
965	static DECLCALLBACK(void ) drvR3IntNetIBase_QueryInterface(PPDMIBASE pInterface, const char pszIID)
966	{
967	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
968	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
969
970	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
971	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASER0, &pThis->IBaseR0);
972	PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASERC, &pThis->IBaseRC);
973	PDMIBASE_RETURN_INTERFACE(pszIID, PDMINETWORKUP, &pThis->INetworkUpR3);
974	return NULL;
975	}
976
977
978	/* -=-=-=-=- PDMDRVREG -=-=-=-=- */
979
980	/**
981	* Power Off notification.
982	*
983	* @param pDrvIns The driver instance.
984	*/
985	static DECLCALLBACK(void) drvR3IntNetPowerOff(PPDMDRVINS pDrvIns)
986	{
987	LogFlow(("drvR3IntNetPowerOff\n"));
988	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
989	if (!pThis->fActivateEarlyDeactivateLate)
990	{
991	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_SUSPENDED);
992	drvR3IntNetSetActive(pThis, false /* fActive */);
993	}
994	}
995
996
997	/**
998	* drvR3IntNetResume helper.
999	*/
1000	static int drvR3IntNetResumeSend(PDRVINTNET pThis, const void *pvBuf, size_t cb)
1001	{
1002	/*
1003	* Add the frame to the send buffer and push it onto the network.
1004	*/
1005	int rc = IntNetRingWriteFrame(&pThis->pBufR3->Send, pvBuf, (uint32_t)cb);
1006	if ( rc == VERR_BUFFER_OVERFLOW
1007	&& pThis->pBufR3->cbSend < cb)
1008	{
1009	INTNETIFSENDREQ SendReq;
1010	SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1011	SendReq.Hdr.cbReq = sizeof(SendReq);
1012	SendReq.pSession = NIL_RTR0PTR;
1013	SendReq.hIf = pThis->hIf;
1014	PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SEND, &SendReq, sizeof(SendReq));
1015
1016	rc = IntNetRingWriteFrame(&pThis->pBufR3->Send, pvBuf, (uint32_t)cb);
1017	}
1018
1019	if (RT_SUCCESS(rc))
1020	{
1021	INTNETIFSENDREQ SendReq;
1022	SendReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1023	SendReq.Hdr.cbReq = sizeof(SendReq);
1024	SendReq.pSession = NIL_RTR0PTR;
1025	SendReq.hIf = pThis->hIf;
1026	rc = PDMDrvHlpSUPCallVMMR0Ex(pThis->pDrvInsR3, VMMR0_DO_INTNET_IF_SEND, &SendReq, sizeof(SendReq));
1027	}
1028
1029	AssertRC(rc);
1030	return rc;
1031	}
1032
1033
1034	/**
1035	* Resume notification.
1036	*
1037	* @param pDrvIns The driver instance.
1038	*/
1039	static DECLCALLBACK(void) drvR3IntNetResume(PPDMDRVINS pDrvIns)
1040	{
1041	LogFlow(("drvR3IntNetPowerResume\n"));
1042	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
1043	VMRESUMEREASON enmReason = PDMDrvHlpVMGetResumeReason(pDrvIns);
1044
1045	if (!pThis->fActivateEarlyDeactivateLate)
1046	{
1047	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_RUNNING);
1048	RTSemEventSignal(pThis->hRecvEvt);
1049	drvR3IntNetUpdateMacAddress(pThis); /* (could be a state restore) */
1050	drvR3IntNetSetActive(pThis, true /* fActive */);
1051	}
1052
1053	switch (enmReason)
1054	{
1055	case VMRESUMEREASON_HOST_RESUME:
1056	{
1057	uint32_t u32TrunkType;
1058	int rc = CFGMR3QueryU32(pDrvIns->pCfg, "TrunkType", &u32TrunkType);
1059	AssertRC(rc);
1060
1061	/*
1062	* Only do the disconnect for bridged networking. Host-only and
1063	* internal networks are not affected by a host resume.
1064	*/
1065	if ( RT_SUCCESS(rc)
1066	&& u32TrunkType == kIntNetTrunkType_NetFlt)
1067	{
1068	rc = pThis->pIAboveConfigR3->pfnSetLinkState(pThis->pIAboveConfigR3,
1069	PDMNETWORKLINKSTATE_DOWN_RESUME);
1070	AssertRC(rc);
1071	}
1072	break;
1073	}
1074	case VMRESUMEREASON_TELEPORTED:
1075	case VMRESUMEREASON_TELEPORT_FAILED:
1076	{
1077	if ( PDMDrvHlpVMTeleportedAndNotFullyResumedYet(pDrvIns)
1078	&& pThis->pIAboveConfigR3)
1079	{
1080	/*
1081	* We've just been teleported and need to drop a hint to the switch
1082	* since we're likely to have changed to a different port. We just
1083	* push out some ethernet frame that doesn't mean anything to anyone.
1084	* For this purpose ethertype 0x801e was chosen since it was registered
1085	* to Sun (dunno what it is/was used for though).
1086	*/
1087	union
1088	{
1089	RTNETETHERHDR Hdr;
1090	uint8_t ab[128];
1091	} Frame;
1092	RT_ZERO(Frame);
1093	Frame.Hdr.DstMac.au16[0] = 0xffff;
1094	Frame.Hdr.DstMac.au16[1] = 0xffff;
1095	Frame.Hdr.DstMac.au16[2] = 0xffff;
1096	Frame.Hdr.EtherType = RT_H2BE_U16_C(0x801e);
1097	int rc = pThis->pIAboveConfigR3->pfnGetMac(pThis->pIAboveConfigR3,
1098	&Frame.Hdr.SrcMac);
1099	if (RT_SUCCESS(rc))
1100	rc = drvR3IntNetResumeSend(pThis, &Frame, sizeof(Frame));
1101	if (RT_FAILURE(rc))
1102	LogRel(("IntNet#%u: Sending dummy frame failed: %Rrc\n",
1103	pDrvIns->iInstance, rc));
1104	}
1105	break;
1106	}
1107	default: /* ignore every other resume reason else */
1108	break;
1109	} /* end of switch(enmReason) */
1110	}
1111
1112
1113	/**
1114	* Suspend notification.
1115	*
1116	* @param pDrvIns The driver instance.
1117	*/
1118	static DECLCALLBACK(void) drvR3IntNetSuspend(PPDMDRVINS pDrvIns)
1119	{
1120	LogFlow(("drvR3IntNetPowerSuspend\n"));
1121	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
1122	if (!pThis->fActivateEarlyDeactivateLate)
1123	{
1124	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_SUSPENDED);
1125	drvR3IntNetSetActive(pThis, false /* fActive */);
1126	}
1127	}
1128
1129
1130	/**
1131	* Power On notification.
1132	*
1133	* @param pDrvIns The driver instance.
1134	*/
1135	static DECLCALLBACK(void) drvR3IntNetPowerOn(PPDMDRVINS pDrvIns)
1136	{
1137	LogFlow(("drvR3IntNetPowerOn\n"));
1138	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
1139	if (!pThis->fActivateEarlyDeactivateLate)
1140	{
1141	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_RUNNING);
1142	RTSemEventSignal(pThis->hRecvEvt);
1143	drvR3IntNetUpdateMacAddress(pThis);
1144	drvR3IntNetSetActive(pThis, true /* fActive */);
1145	}
1146	}
1147
1148
1149	/**
1150	* @interface_method_impl{PDMDRVREG,pfnRelocate}
1151	*/
1152	static DECLCALLBACK(void) drvR3IntNetRelocate(PPDMDRVINS pDrvIns, RTGCINTPTR offDelta)
1153	{
1154	/* nothing to do here yet */
1155	RT_NOREF(pDrvIns, offDelta);
1156	}
1157
1158
1159	/**
1160	* Destruct a driver instance.
1161	*
1162	* Most VM resources are freed by the VM. This callback is provided so that any non-VM
1163	* resources can be freed correctly.
1164	*
1165	* @param pDrvIns The driver instance data.
1166	*/
1167	static DECLCALLBACK(void) drvR3IntNetDestruct(PPDMDRVINS pDrvIns)
1168	{
1169	LogFlow(("drvR3IntNetDestruct\n"));
1170	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
1171	PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
1172
1173	/*
1174	* Indicate to the receive thread that it's time to quit.
1175	*/
1176	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_TERMINATE);
1177	ASMAtomicXchgSize(&pThis->fLinkDown, true);
1178	RTSEMEVENT hRecvEvt = pThis->hRecvEvt;
1179	pThis->hRecvEvt = NIL_RTSEMEVENT;
1180
1181	if (hRecvEvt != NIL_RTSEMEVENT)
1182	RTSemEventSignal(hRecvEvt);
1183
1184	if (pThis->hIf != INTNET_HANDLE_INVALID)
1185	{
1186	INTNETIFABORTWAITREQ AbortWaitReq;
1187	AbortWaitReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1188	AbortWaitReq.Hdr.cbReq = sizeof(AbortWaitReq);
1189	AbortWaitReq.pSession = NIL_RTR0PTR;
1190	AbortWaitReq.hIf = pThis->hIf;
1191	AbortWaitReq.fNoMoreWaits = true;
1192	int rc = PDMDrvHlpSUPCallVMMR0Ex(pDrvIns, VMMR0_DO_INTNET_IF_ABORT_WAIT, &AbortWaitReq, sizeof(AbortWaitReq));
1193	AssertMsg(RT_SUCCESS(rc) \|\| rc == VERR_SEM_DESTROYED, ("%Rrc\n", rc)); RT_NOREF_PV(rc);
1194	}
1195
1196	/*
1197	* Wait for the threads to terminate.
1198	*/
1199	if (pThis->pXmitThread)
1200	{
1201	int rc = PDMR3ThreadDestroy(pThis->pXmitThread, NULL);
1202	AssertRC(rc);
1203	pThis->pXmitThread = NULL;
1204	}
1205
1206	if (pThis->hRecvThread != NIL_RTTHREAD)
1207	{
1208	int rc = RTThreadWait(pThis->hRecvThread, 5000, NULL);
1209	AssertRC(rc);
1210	pThis->hRecvThread = NIL_RTTHREAD;
1211	}
1212
1213	/*
1214	* Deregister statistics in case we're being detached.
1215	*/
1216	if (pThis->pBufR3)
1217	{
1218	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Recv.cStatFrames);
1219	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Recv.cbStatWritten);
1220	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Recv.cOverflows);
1221	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Send.cStatFrames);
1222	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Send.cbStatWritten);
1223	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->Send.cOverflows);
1224	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->cStatYieldsOk);
1225	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->cStatYieldsNok);
1226	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->cStatLost);
1227	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->cStatBadFrames);
1228	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->StatSend1);
1229	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->StatSend2);
1230	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->StatRecv1);
1231	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->StatRecv2);
1232	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->pBufR3->StatReserved);
1233	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatReceivedGso);
1234	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatSentGso);
1235	#ifdef VBOX_WITH_STATISTICS
1236	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatReceive);
1237	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatTransmit);
1238	#endif
1239	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatXmitWakeupR0);
1240	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatXmitWakeupR3);
1241	PDMDrvHlpSTAMDeregister(pDrvIns, &pThis->StatXmitProcessRing);
1242	}
1243
1244	/*
1245	* Close the interface
1246	*/
1247	if (pThis->hIf != INTNET_HANDLE_INVALID)
1248	{
1249	INTNETIFCLOSEREQ CloseReq;
1250	CloseReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1251	CloseReq.Hdr.cbReq = sizeof(CloseReq);
1252	CloseReq.pSession = NIL_RTR0PTR;
1253	CloseReq.hIf = pThis->hIf;
1254	pThis->hIf = INTNET_HANDLE_INVALID;
1255	int rc = PDMDrvHlpSUPCallVMMR0Ex(pDrvIns, VMMR0_DO_INTNET_IF_CLOSE, &CloseReq, sizeof(CloseReq));
1256	AssertRC(rc);
1257	}
1258
1259
1260	/*
1261	* Destroy the semaphores, S/G cache and xmit lock.
1262	*/
1263	if (hRecvEvt != NIL_RTSEMEVENT)
1264	RTSemEventDestroy(hRecvEvt);
1265
1266	if (pThis->hXmitEvt != NIL_SUPSEMEVENT)
1267	{
1268	SUPSemEventClose(pThis->pSupDrvSession, pThis->hXmitEvt);
1269	pThis->hXmitEvt = NIL_SUPSEMEVENT;
1270	}
1271
1272	RTMemCacheDestroy(pThis->hSgCache);
1273	pThis->hSgCache = NIL_RTMEMCACHE;
1274
1275	if (PDMDrvHlpCritSectIsInitialized(pDrvIns, &pThis->XmitLock))
1276	PDMDrvHlpCritSectDelete(pDrvIns, &pThis->XmitLock);
1277	}
1278
1279
1280	/**
1281	* Queries a policy config value and translates it into open network flag.
1282	*
1283	* @returns VBox status code (error set on failure).
1284	* @param pDrvIns The driver instance.
1285	* @param pszName The value name.
1286	* @param paFlags The open network flag descriptors.
1287	* @param cFlags The number of descriptors.
1288	* @param fFlags The fixed flag.
1289	* @param pfFlags The flags variable to update.
1290	*/
1291	static int drvIntNetR3CfgGetPolicy(PPDMDRVINS pDrvIns, const char *pszName, PCDRVINTNETFLAG paFlags, size_t cFlags,
1292	uint32_t fFixedFlag, uint32_t *pfFlags)
1293	{
1294	char szValue[64];
1295	int rc = CFGMR3QueryString(pDrvIns->pCfg, pszName, szValue, sizeof(szValue));
1296	if (RT_FAILURE(rc))
1297	{
1298	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1299	return VINF_SUCCESS;
1300	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
1301	N_("Configuration error: Failed to query value of \"%s\""), pszName);
1302	}
1303
1304	/*
1305	* Check for +fixed first, so it can be stripped off.
1306	*/
1307	char *pszSep = strpbrk(szValue, "+,;");
1308	if (pszSep)
1309	{
1310	*pszSep++ = '\0';
1311	const char *pszFixed = RTStrStripL(pszSep);
1312	if (strcmp(pszFixed, "fixed"))
1313	{
1314	*pszSep = '+';
1315	return PDMDrvHlpVMSetError(pDrvIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
1316	N_("Configuration error: The value of \"%s\" is unknown: \"%s\""), pszName, szValue);
1317	}
1318	*pfFlags \|= fFixedFlag;
1319	RTStrStripR(szValue);
1320	}
1321
1322	/*
1323	* Match against the flag values.
1324	*/
1325	size_t i = cFlags;
1326	while (i-- > 0)
1327	if (!strcmp(paFlags[i].pszChoice, szValue))
1328	{
1329	*pfFlags \|= paFlags[i].fFlag;
1330	return VINF_SUCCESS;
1331	}
1332
1333	if (!strcmp(szValue, "none"))
1334	return VINF_SUCCESS;
1335
1336	if (!strcmp(szValue, "fixed"))
1337	{
1338	*pfFlags \|= fFixedFlag;
1339	return VINF_SUCCESS;
1340	}
1341
1342	return PDMDrvHlpVMSetError(pDrvIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
1343	N_("Configuration error: The value of \"%s\" is unknown: \"%s\""), pszName, szValue);
1344	}
1345
1346
1347	/**
1348	* Construct a TAP network transport driver instance.
1349	*
1350	* @copydoc FNPDMDRVCONSTRUCT
1351	*/
1352	static DECLCALLBACK(int) drvR3IntNetConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
1353	{
1354	RT_NOREF(fFlags);
1355	PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
1356	PDRVINTNET pThis = PDMINS_2_DATA(pDrvIns, PDRVINTNET);
1357	bool f;
1358
1359	/*
1360	* Init the static parts.
1361	*/
1362	pThis->pDrvInsR3 = pDrvIns;
1363	#ifdef VBOX_WITH_DRVINTNET_IN_R0
1364	pThis->pDrvInsR0 = PDMDRVINS_2_R0PTR(pDrvIns);
1365	#endif
1366	pThis->hIf = INTNET_HANDLE_INVALID;
1367	pThis->hRecvThread = NIL_RTTHREAD;
1368	pThis->hRecvEvt = NIL_RTSEMEVENT;
1369	pThis->pXmitThread = NULL;
1370	pThis->hXmitEvt = NIL_SUPSEMEVENT;
1371	pThis->pSupDrvSession = PDMDrvHlpGetSupDrvSession(pDrvIns);
1372	pThis->hSgCache = NIL_RTMEMCACHE;
1373	pThis->enmRecvState = RECVSTATE_SUSPENDED;
1374	pThis->fActivateEarlyDeactivateLate = false;
1375	/* IBase* */
1376	pDrvIns->IBase.pfnQueryInterface = drvR3IntNetIBase_QueryInterface;
1377	pThis->IBaseR0.pfnQueryInterface = drvR3IntNetIBaseR0_QueryInterface;
1378	pThis->IBaseRC.pfnQueryInterface = drvR3IntNetIBaseRC_QueryInterface;
1379	/* INetworkUp */
1380	pThis->INetworkUpR3.pfnBeginXmit = drvIntNetUp_BeginXmit;
1381	pThis->INetworkUpR3.pfnAllocBuf = drvIntNetUp_AllocBuf;
1382	pThis->INetworkUpR3.pfnFreeBuf = drvIntNetUp_FreeBuf;
1383	pThis->INetworkUpR3.pfnSendBuf = drvIntNetUp_SendBuf;
1384	pThis->INetworkUpR3.pfnEndXmit = drvIntNetUp_EndXmit;
1385	pThis->INetworkUpR3.pfnSetPromiscuousMode = drvIntNetUp_SetPromiscuousMode;
1386	pThis->INetworkUpR3.pfnNotifyLinkChanged = drvR3IntNetUp_NotifyLinkChanged;
1387
1388	/*
1389	* Validate the config.
1390	*/
1391	PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns,
1392	"Network"
1393	"\|Trunk"
1394	"\|TrunkType"
1395	"\|ReceiveBufferSize"
1396	"\|SendBufferSize"
1397	"\|SharedMacOnWire"
1398	"\|RestrictAccess"
1399	"\|RequireExactPolicyMatch"
1400	"\|RequireAsRestrictivePolicy"
1401	"\|AccessPolicy"
1402	"\|PromiscPolicyClients"
1403	"\|PromiscPolicyHost"
1404	"\|PromiscPolicyWire"
1405	"\|IfPolicyPromisc"
1406	"\|TrunkPolicyHost"
1407	"\|TrunkPolicyWire"
1408	"\|IsService"
1409	"\|IgnoreConnectFailure"
1410	"\|Workaround1",
1411	"");
1412
1413	/*
1414	* Check that no-one is attached to us.
1415	*/
1416	AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
1417	("Configuration error: Not possible to attach anything to this driver!\n"),
1418	VERR_PDM_DRVINS_NO_ATTACH);
1419
1420	/*
1421	* Query the network port interface.
1422	*/
1423	pThis->pIAboveNet = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKDOWN);
1424	if (!pThis->pIAboveNet)
1425	{
1426	AssertMsgFailed(("Configuration error: the above device/driver didn't export the network port interface!\n"));
1427	return VERR_PDM_MISSING_INTERFACE_ABOVE;
1428	}
1429	pThis->pIAboveConfigR3 = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKCONFIG);
1430
1431	/*
1432	* Read the configuration.
1433	*/
1434	INTNETOPENREQ OpenReq;
1435	RT_ZERO(OpenReq);
1436	OpenReq.Hdr.cbReq = sizeof(OpenReq);
1437	OpenReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1438	OpenReq.pSession = NIL_RTR0PTR;
1439
1440	/** @cfgm{Network, string}
1441	* The name of the internal network to connect to.
1442	*/
1443	int rc = CFGMR3QueryString(pCfg, "Network", OpenReq.szNetwork, sizeof(OpenReq.szNetwork));
1444	if (RT_FAILURE(rc))
1445	return PDMDRV_SET_ERROR(pDrvIns, rc,
1446	N_("Configuration error: Failed to get the \"Network\" value"));
1447	strcpy(pThis->szNetwork, OpenReq.szNetwork);
1448
1449	/** @cfgm{TrunkType, uint32_t, kIntNetTrunkType_None}
1450	* The trunk connection type see INTNETTRUNKTYPE.
1451	*/
1452	uint32_t u32TrunkType;
1453	rc = CFGMR3QueryU32(pCfg, "TrunkType", &u32TrunkType);
1454	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1455	u32TrunkType = kIntNetTrunkType_None;
1456	else if (RT_FAILURE(rc))
1457	return PDMDRV_SET_ERROR(pDrvIns, rc,
1458	N_("Configuration error: Failed to get the \"TrunkType\" value"));
1459	OpenReq.enmTrunkType = (INTNETTRUNKTYPE)u32TrunkType;
1460
1461	/** @cfgm{Trunk, string, ""}
1462	* The name of the trunk connection.
1463	*/
1464	rc = CFGMR3QueryString(pCfg, "Trunk", OpenReq.szTrunk, sizeof(OpenReq.szTrunk));
1465	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1466	OpenReq.szTrunk[0] = '\0';
1467	else if (RT_FAILURE(rc))
1468	return PDMDRV_SET_ERROR(pDrvIns, rc,
1469	N_("Configuration error: Failed to get the \"Trunk\" value"));
1470
1471	OpenReq.fFlags = 0;
1472
1473	/** @cfgm{SharedMacOnWire, boolean, false}
1474	* Whether to shared the MAC address of the host interface when using the wire. When
1475	* attaching to a wireless NIC this option is usually a requirement.
1476	*/
1477	bool fSharedMacOnWire;
1478	rc = CFGMR3QueryBoolDef(pCfg, "SharedMacOnWire", &fSharedMacOnWire, false);
1479	if (RT_FAILURE(rc))
1480	return PDMDRV_SET_ERROR(pDrvIns, rc,
1481	N_("Configuration error: Failed to get the \"SharedMacOnWire\" value"));
1482	if (fSharedMacOnWire)
1483	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE;
1484
1485	/** @cfgm{RestrictAccess, boolean, true}
1486	* Whether to restrict the access to the network or if it should be public.
1487	* Everyone on the computer can connect to a public network.
1488	* @deprecated Use AccessPolicy instead.
1489	*/
1490	rc = CFGMR3QueryBool(pCfg, "RestrictAccess", &f);
1491	if (RT_SUCCESS(rc))
1492	{
1493	if (f)
1494	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_ACCESS_RESTRICTED;
1495	else
1496	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_ACCESS_PUBLIC;
1497	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_ACCESS_FIXED;
1498	}
1499	else if (rc != VERR_CFGM_VALUE_NOT_FOUND)
1500	return PDMDRV_SET_ERROR(pDrvIns, rc,
1501	N_("Configuration error: Failed to get the \"RestrictAccess\" value"));
1502
1503	/** @cfgm{RequireExactPolicyMatch, boolean, false}
1504	* Whether to require that the current security and promiscuous policies of
1505	* the network is exactly as the ones specified in this open network
1506	* request. Use this with RequireAsRestrictivePolicy to prevent
1507	* restrictions from being lifted. If no further policy changes are
1508	* desired, apply the relevant fixed flags. */
1509	rc = CFGMR3QueryBoolDef(pCfg, "RequireExactPolicyMatch", &f, false);
1510	if (RT_FAILURE(rc))
1511	return PDMDRV_SET_ERROR(pDrvIns, rc,
1512	N_("Configuration error: Failed to get the \"RequireExactPolicyMatch\" value"));
1513	if (f)
1514	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_REQUIRE_EXACT;
1515
1516	/** @cfgm{RequireAsRestrictivePolicy, boolean, false}
1517	* Whether to require that the security and promiscuous policies of the
1518	* network is at least as restrictive as specified this request specifies
1519	* and prevent them being lifted later on.
1520	*/
1521	rc = CFGMR3QueryBoolDef(pCfg, "RequireAsRestrictivePolicy", &f, false);
1522	if (RT_FAILURE(rc))
1523	return PDMDRV_SET_ERROR(pDrvIns, rc,
1524	N_("Configuration error: Failed to get the \"RequireAsRestrictivePolicy\" value"));
1525	if (f)
1526	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES;
1527
1528	/** @cfgm{AccessPolicy, string, "none"}
1529	* The access policy of the network:
1530	* public, public+fixed, restricted, restricted+fixed, none or fixed.
1531	*
1532	* A "public" network is accessible to everyone on the same host, while a
1533	* "restricted" one is only accessible to VMs & services started by the
1534	* same user. The "none" policy, which is the default, means no policy
1535	* change or choice is made and that the current (existing network) or
1536	* default (new) policy should be used. */
1537	static const DRVINTNETFLAG s_aAccessPolicyFlags[] =
1538	{
1539	{ "public", INTNET_OPEN_FLAGS_ACCESS_PUBLIC },
1540	{ "restricted", INTNET_OPEN_FLAGS_ACCESS_RESTRICTED }
1541	};
1542	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "AccessPolicy", &s_aAccessPolicyFlags[0], RT_ELEMENTS(s_aAccessPolicyFlags),
1543	INTNET_OPEN_FLAGS_ACCESS_FIXED, &OpenReq.fFlags);
1544	AssertRCReturn(rc, rc);
1545
1546	/** @cfgm{PromiscPolicyClients, string, "none"}
1547	* The network wide promiscuous mode policy for client (non-trunk)
1548	* interfaces: allow, allow+fixed, deny, deny+fixed, none or fixed. */
1549	static const DRVINTNETFLAG s_aPromiscPolicyClient[] =
1550	{
1551	{ "allow", INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS },
1552	{ "deny", INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS }
1553	};
1554	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "PromiscPolicyClients", &s_aPromiscPolicyClient[0], RT_ELEMENTS(s_aPromiscPolicyClient),
1555	INTNET_OPEN_FLAGS_PROMISC_FIXED, &OpenReq.fFlags);
1556	AssertRCReturn(rc, rc);
1557	/** @cfgm{PromiscPolicyHost, string, "none"}
1558	* The promiscuous mode policy for the trunk-host
1559	* connection: allow, allow+fixed, deny, deny+fixed, none or fixed. */
1560	static const DRVINTNETFLAG s_aPromiscPolicyHost[] =
1561	{
1562	{ "allow", INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST },
1563	{ "deny", INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST }
1564	};
1565	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "PromiscPolicyHost", &s_aPromiscPolicyHost[0], RT_ELEMENTS(s_aPromiscPolicyHost),
1566	INTNET_OPEN_FLAGS_PROMISC_FIXED, &OpenReq.fFlags);
1567	AssertRCReturn(rc, rc);
1568	/** @cfgm{PromiscPolicyWire, string, "none"}
1569	* The promiscuous mode policy for the trunk-host
1570	* connection: allow, allow+fixed, deny, deny+fixed, none or fixed. */
1571	static const DRVINTNETFLAG s_aPromiscPolicyWire[] =
1572	{
1573	{ "allow", INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE },
1574	{ "deny", INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE }
1575	};
1576	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "PromiscPolicyWire", &s_aPromiscPolicyWire[0], RT_ELEMENTS(s_aPromiscPolicyWire),
1577	INTNET_OPEN_FLAGS_PROMISC_FIXED, &OpenReq.fFlags);
1578	AssertRCReturn(rc, rc);
1579
1580
1581	/** @cfgm{IfPolicyPromisc, string, "none"}
1582	* The promiscuous mode policy for this
1583	* interface: deny, deny+fixed, allow-all, allow-all+fixed, allow-network,
1584	* allow-network+fixed, none or fixed. */
1585	static const DRVINTNETFLAG s_aIfPolicyPromisc[] =
1586	{
1587	{ "allow-all", INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \| INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK },
1588	{ "allow-network", INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \| INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK },
1589	{ "deny", INTNET_OPEN_FLAGS_IF_PROMISC_DENY }
1590	};
1591	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "IfPolicyPromisc", &s_aIfPolicyPromisc[0], RT_ELEMENTS(s_aIfPolicyPromisc),
1592	INTNET_OPEN_FLAGS_IF_FIXED, &OpenReq.fFlags);
1593	AssertRCReturn(rc, rc);
1594
1595
1596	/** @cfgm{TrunkPolicyHost, string, "none"}
1597	* The trunk-host policy: promisc, promisc+fixed, enabled, enabled+fixed,
1598	* disabled, disabled+fixed, none or fixed
1599	*
1600	* This can be used to prevent packages to be routed to the host. */
1601	static const DRVINTNETFLAG s_aTrunkPolicyHost[] =
1602	{
1603	{ "promisc", INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE },
1604	{ "enabled", INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED },
1605	{ "disabled", INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED }
1606	};
1607	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "TrunkPolicyHost", &s_aTrunkPolicyHost[0], RT_ELEMENTS(s_aTrunkPolicyHost),
1608	INTNET_OPEN_FLAGS_TRUNK_FIXED, &OpenReq.fFlags);
1609	AssertRCReturn(rc, rc);
1610	/** @cfgm{TrunkPolicyWire, string, "none"}
1611	* The trunk-host policy: promisc, promisc+fixed, enabled, enabled+fixed,
1612	* disabled, disabled+fixed, none or fixed.
1613	*
1614	* This can be used to prevent packages to be routed to the wire. */
1615	static const DRVINTNETFLAG s_aTrunkPolicyWire[] =
1616	{
1617	{ "promisc", INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE },
1618	{ "enabled", INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED },
1619	{ "disabled", INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED }
1620	};
1621	rc = drvIntNetR3CfgGetPolicy(pDrvIns, "TrunkPolicyWire", &s_aTrunkPolicyWire[0], RT_ELEMENTS(s_aTrunkPolicyWire),
1622	INTNET_OPEN_FLAGS_TRUNK_FIXED, &OpenReq.fFlags);
1623	AssertRCReturn(rc, rc);
1624
1625
1626	/** @cfgm{ReceiveBufferSize, uint32_t, 318 KB}
1627	* The size of the receive buffer.
1628	*/
1629	rc = CFGMR3QueryU32(pCfg, "ReceiveBufferSize", &OpenReq.cbRecv);
1630	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1631	OpenReq.cbRecv = 318 * _1K ;
1632	else if (RT_FAILURE(rc))
1633	return PDMDRV_SET_ERROR(pDrvIns, rc,
1634	N_("Configuration error: Failed to get the \"ReceiveBufferSize\" value"));
1635
1636	/** @cfgm{SendBufferSize, uint32_t, 196 KB}
1637	* The size of the send (transmit) buffer.
1638	* This should be more than twice the size of the larges frame size because
1639	* the ring buffer is very simple and doesn't support splitting up frames
1640	* nor inserting padding. So, if this is too close to the frame size the
1641	* header will fragment the buffer such that the frame won't fit on either
1642	* side of it and the code will get very upset about it all.
1643	*/
1644	rc = CFGMR3QueryU32(pCfg, "SendBufferSize", &OpenReq.cbSend);
1645	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1646	OpenReq.cbSend = RT_ALIGN_Z(VBOX_MAX_GSO_SIZE * 3, _1K);
1647	else if (RT_FAILURE(rc))
1648	return PDMDRV_SET_ERROR(pDrvIns, rc,
1649	N_("Configuration error: Failed to get the \"SendBufferSize\" value"));
1650	if (OpenReq.cbSend < 128)
1651	return PDMDRV_SET_ERROR(pDrvIns, rc,
1652	N_("Configuration error: The \"SendBufferSize\" value is too small"));
1653	if (OpenReq.cbSend < VBOX_MAX_GSO_SIZE * 3)
1654	LogRel(("DrvIntNet: Warning! SendBufferSize=%u, Recommended minimum size %u butes.\n", OpenReq.cbSend, VBOX_MAX_GSO_SIZE * 4));
1655
1656	/** @cfgm{IsService, boolean, true}
1657	* This alterns the way the thread is suspended and resumed. When it's being used by
1658	* a service such as LWIP/iSCSI it shouldn't suspend immediately like for a NIC.
1659	*/
1660	rc = CFGMR3QueryBool(pCfg, "IsService", &pThis->fActivateEarlyDeactivateLate);
1661	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
1662	pThis->fActivateEarlyDeactivateLate = false;
1663	else if (RT_FAILURE(rc))
1664	return PDMDRV_SET_ERROR(pDrvIns, rc,
1665	N_("Configuration error: Failed to get the \"IsService\" value"));
1666
1667
1668	/** @cfgm{IgnoreConnectFailure, boolean, false}
1669	* When set only raise a runtime error if we cannot connect to the internal
1670	* network. */
1671	bool fIgnoreConnectFailure;
1672	rc = CFGMR3QueryBoolDef(pCfg, "IgnoreConnectFailure", &fIgnoreConnectFailure, false);
1673	if (RT_FAILURE(rc))
1674	return PDMDRV_SET_ERROR(pDrvIns, rc,
1675	N_("Configuration error: Failed to get the \"IgnoreConnectFailure\" value"));
1676
1677	/** @cfgm{Workaround1, boolean, depends}
1678	* Enables host specific workarounds, the default is depends on the whether
1679	* we think the host requires it or not.
1680	*/
1681	bool fWorkaround1 = false;
1682	#ifdef RT_OS_DARWIN
1683	if (OpenReq.fFlags & INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE)
1684	{
1685	char szKrnlVer[256];
1686	RTSystemQueryOSInfo(RTSYSOSINFO_RELEASE, szKrnlVer, sizeof(szKrnlVer));
1687	if (strcmp(szKrnlVer, "10.7.0") >= 0)
1688	{
1689	LogRel(("IntNet#%u: Enables the workaround (ip_tos=0) for the little endian ip header checksum problem\n"));
1690	fWorkaround1 = true;
1691	}
1692	}
1693	#endif
1694	rc = CFGMR3QueryBoolDef(pCfg, "Workaround1", &fWorkaround1, fWorkaround1);
1695	if (RT_FAILURE(rc))
1696	return PDMDRV_SET_ERROR(pDrvIns, rc,
1697	N_("Configuration error: Failed to get the \"Workaround1\" value"));
1698	if (fWorkaround1)
1699	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_WORKAROUND_1;
1700
1701	LogRel(("IntNet#%u: szNetwork={%s} enmTrunkType=%d szTrunk={%s} fFlags=%#x cbRecv=%u cbSend=%u fIgnoreConnectFailure=%RTbool\n",
1702	pDrvIns->iInstance, OpenReq.szNetwork, OpenReq.enmTrunkType, OpenReq.szTrunk, OpenReq.fFlags,
1703	OpenReq.cbRecv, OpenReq.cbSend, fIgnoreConnectFailure));
1704
1705	#ifdef RT_OS_DARWIN
1706	/* Temporary hack: attach to a network with the name 'if=en0' and you're hitting the wire. */
1707	if ( !OpenReq.szTrunk[0]
1708	&& OpenReq.enmTrunkType == kIntNetTrunkType_None
1709	&& !strncmp(pThis->szNetwork, RT_STR_TUPLE("if=en"))
1710	&& RT_C_IS_DIGIT(pThis->szNetwork[sizeof("if=en") - 1])
1711	&& !pThis->szNetwork[sizeof("if=en")])
1712	{
1713	OpenReq.enmTrunkType = kIntNetTrunkType_NetFlt;
1714	strcpy(OpenReq.szTrunk, &pThis->szNetwork[sizeof("if=") - 1]);
1715	}
1716	/* Temporary hack: attach to a network with the name 'wif=en0' and you're on the air. */
1717	if ( !OpenReq.szTrunk[0]
1718	&& OpenReq.enmTrunkType == kIntNetTrunkType_None
1719	&& !strncmp(pThis->szNetwork, RT_STR_TUPLE("wif=en"))
1720	&& RT_C_IS_DIGIT(pThis->szNetwork[sizeof("wif=en") - 1])
1721	&& !pThis->szNetwork[sizeof("wif=en")])
1722	{
1723	OpenReq.enmTrunkType = kIntNetTrunkType_NetFlt;
1724	OpenReq.fFlags \|= INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE;
1725	strcpy(OpenReq.szTrunk, &pThis->szNetwork[sizeof("wif=") - 1]);
1726	}
1727	#endif /* DARWIN */
1728
1729	/*
1730	* Create the event semaphore, S/G cache and xmit critsect.
1731	*/
1732	rc = RTSemEventCreate(&pThis->hRecvEvt);
1733	if (RT_FAILURE(rc))
1734	return rc;
1735	rc = RTMemCacheCreate(&pThis->hSgCache, sizeof(PDMSCATTERGATHER), 0, UINT32_MAX, NULL, NULL, pThis, 0);
1736	if (RT_FAILURE(rc))
1737	return rc;
1738	rc = PDMDrvHlpCritSectInit(pDrvIns, &pThis->XmitLock, RT_SRC_POS, "IntNetXmit");
1739	if (RT_FAILURE(rc))
1740	return rc;
1741
1742	/*
1743	* Create the interface.
1744	*/
1745	OpenReq.hIf = INTNET_HANDLE_INVALID;
1746	rc = PDMDrvHlpSUPCallVMMR0Ex(pDrvIns, VMMR0_DO_INTNET_OPEN, &OpenReq, sizeof(OpenReq));
1747	if (RT_FAILURE(rc))
1748	{
1749	if (fIgnoreConnectFailure)
1750	{
1751	/*
1752	* During VM restore it is fatal if the network is not available because the
1753	* VM settings are locked and the user has no chance to fix network settings.
1754	* Therefore don't abort but just raise a runtime warning.
1755	*/
1756	PDMDrvHlpVMSetRuntimeError(pDrvIns, 0 /fFlags/, "HostIfNotConnecting",
1757	N_ ("Cannot connect to the network interface '%s'. The virtual "
1758	"network card will appear to work but the guest will not "
1759	"be able to connect. Please choose a different network in the "
1760	"network settings"), OpenReq.szTrunk);
1761
1762	return VERR_PDM_NO_ATTACHED_DRIVER;
1763	}
1764	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
1765	N_("Failed to open/create the internal network '%s'"), pThis->szNetwork);
1766	}
1767
1768	AssertRelease(OpenReq.hIf != INTNET_HANDLE_INVALID);
1769	pThis->hIf = OpenReq.hIf;
1770	Log(("IntNet%d: hIf=%RX32 '%s'\n", pDrvIns->iInstance, pThis->hIf, pThis->szNetwork));
1771
1772	/*
1773	* Get default buffer.
1774	*/
1775	INTNETIFGETBUFFERPTRSREQ GetBufferPtrsReq;
1776	GetBufferPtrsReq.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1777	GetBufferPtrsReq.Hdr.cbReq = sizeof(GetBufferPtrsReq);
1778	GetBufferPtrsReq.pSession = NIL_RTR0PTR;
1779	GetBufferPtrsReq.hIf = pThis->hIf;
1780	GetBufferPtrsReq.pRing3Buf = NULL;
1781	GetBufferPtrsReq.pRing0Buf = NIL_RTR0PTR;
1782	rc = PDMDrvHlpSUPCallVMMR0Ex(pDrvIns, VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS, &GetBufferPtrsReq, sizeof(GetBufferPtrsReq));
1783	if (RT_FAILURE(rc))
1784	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
1785	N_("Failed to get ring-3 buffer for the newly created interface to '%s'"), pThis->szNetwork);
1786	AssertRelease(RT_VALID_PTR(GetBufferPtrsReq.pRing3Buf));
1787	pThis->pBufR3 = GetBufferPtrsReq.pRing3Buf;
1788	pThis->pBufR0 = GetBufferPtrsReq.pRing0Buf;
1789
1790	/*
1791	* Register statistics.
1792	*/
1793	PDMDrvHlpSTAMRegCounterEx(pDrvIns, &pThis->pBufR3->Recv.cbStatWritten, "Bytes/Received", STAMUNIT_BYTES, "Number of received bytes.");
1794	PDMDrvHlpSTAMRegCounterEx(pDrvIns, &pThis->pBufR3->Send.cbStatWritten, "Bytes/Sent", STAMUNIT_BYTES, "Number of sent bytes.");
1795	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->Recv.cOverflows, "Overflows/Recv", "Number overflows.");
1796	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->Send.cOverflows, "Overflows/Sent", "Number overflows.");
1797	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->Recv.cStatFrames, "Packets/Received", "Number of received packets.");
1798	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->Send.cStatFrames, "Packets/Sent", "Number of sent packets.");
1799	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatReceivedGso, "Packets/Received-Gso", "The GSO portion of the received packets.");
1800	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatSentGso, "Packets/Sent-Gso", "The GSO portion of the sent packets.");
1801	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatSentR0, "Packets/Sent-R0", "The ring-0 portion of the sent packets.");
1802
1803	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->cStatLost, "Packets/Lost", "Number of lost packets.");
1804	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->cStatYieldsNok, "YieldOk", "Number of times yielding helped fix an overflow.");
1805	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->cStatYieldsOk, "YieldNok", "Number of times yielding didn't help fix an overflow.");
1806	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->pBufR3->cStatBadFrames, "BadFrames", "Number of bad frames seed by the consumers.");
1807	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->pBufR3->StatSend1, "Send1", "Profiling IntNetR0IfSend.");
1808	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->pBufR3->StatSend2, "Send2", "Profiling sending to the trunk.");
1809	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->pBufR3->StatRecv1, "Recv1", "Reserved for future receive profiling.");
1810	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->pBufR3->StatRecv2, "Recv2", "Reserved for future receive profiling.");
1811	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->pBufR3->StatReserved, "Reserved", "Reserved for future use.");
1812	#ifdef VBOX_WITH_STATISTICS
1813	PDMDrvHlpSTAMRegProfileAdv(pDrvIns, &pThis->StatReceive, "Receive", "Profiling packet receive runs.");
1814	PDMDrvHlpSTAMRegProfile(pDrvIns, &pThis->StatTransmit, "Transmit", "Profiling packet transmit runs.");
1815	#endif
1816	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitWakeupR0, "XmitWakeup-R0", "Xmit thread wakeups from ring-0.");
1817	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitWakeupR3, "XmitWakeup-R3", "Xmit thread wakeups from ring-3.");
1818	PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitProcessRing, "XmitProcessRing", "Time xmit thread was told to process the ring.");
1819
1820	/*
1821	* Create the async I/O threads.
1822	* Note! Using a PDM thread here doesn't fit with the IsService=true operation.
1823	*/
1824	rc = RTThreadCreate(&pThis->hRecvThread, drvR3IntNetRecvThread, pThis, 0,
1825	RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "INTNET-RECV");
1826	if (RT_FAILURE(rc))
1827	{
1828	AssertRC(rc);
1829	return rc;
1830	}
1831
1832	rc = SUPSemEventCreate(pThis->pSupDrvSession, &pThis->hXmitEvt);
1833	AssertRCReturn(rc, rc);
1834
1835	rc = PDMDrvHlpThreadCreate(pDrvIns, &pThis->pXmitThread, pThis,
1836	drvR3IntNetXmitThread, drvR3IntNetXmitWakeUp, 0, RTTHREADTYPE_IO, "INTNET-XMIT");
1837	AssertRCReturn(rc, rc);
1838
1839	#ifdef VBOX_WITH_DRVINTNET_IN_R0
1840	/*
1841	* Resolve the ring-0 context interface addresses.
1842	*/
1843	rc = pDrvIns->pHlpR3->pfnLdrGetR0InterfaceSymbols(pDrvIns, &pThis->INetworkUpR0, sizeof(pThis->INetworkUpR0),
1844	"drvIntNetUp_", PDMINETWORKUP_SYM_LIST);
1845	AssertLogRelRCReturn(rc, rc);
1846	#endif
1847
1848	/*
1849	* Activate data transmission as early as possible
1850	*/
1851	if (pThis->fActivateEarlyDeactivateLate)
1852	{
1853	ASMAtomicXchgSize(&pThis->enmRecvState, RECVSTATE_RUNNING);
1854	RTSemEventSignal(pThis->hRecvEvt);
1855
1856	drvR3IntNetUpdateMacAddress(pThis);
1857	drvR3IntNetSetActive(pThis, true /* fActive */);
1858	}
1859
1860	return rc;
1861	}
1862
1863
1864
1865	/**
1866	* Internal networking transport driver registration record.
1867	*/
1868	const PDMDRVREG g_DrvIntNet =
1869	{
1870	/* u32Version */
1871	PDM_DRVREG_VERSION,
1872	/* szName */
1873	"IntNet",
1874	/* szRCMod */
1875	"VBoxDDRC.rc",
1876	/* szR0Mod */
1877	"VBoxDDR0.r0",
1878	/* pszDescription */
1879	"Internal Networking Transport Driver",
1880	/* fFlags */
1881	#ifdef VBOX_WITH_DRVINTNET_IN_R0
1882	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT \| PDM_DRVREG_FLAGS_R0,
1883	#else
1884	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
1885	#endif
1886	/* fClass. */
1887	PDM_DRVREG_CLASS_NETWORK,
1888	/* cMaxInstances */
1889	~0U,
1890	/* cbInstance */
1891	sizeof(DRVINTNET),
1892	/* pfnConstruct */
1893	drvR3IntNetConstruct,
1894	/* pfnDestruct */
1895	drvR3IntNetDestruct,
1896	/* pfnRelocate */
1897	drvR3IntNetRelocate,
1898	/* pfnIOCtl */
1899	NULL,
1900	/* pfnPowerOn */
1901	drvR3IntNetPowerOn,
1902	/* pfnReset */
1903	NULL,
1904	/* pfnSuspend */
1905	drvR3IntNetSuspend,
1906	/* pfnResume */
1907	drvR3IntNetResume,
1908	/* pfnAttach */
1909	NULL,
1910	/* pfnDetach */
1911	NULL,
1912	/* pfnPowerOff */
1913	drvR3IntNetPowerOff,
1914	/* pfnSoftReset */
1915	NULL,
1916	/* u32EndVersion */
1917	PDM_DRVREG_VERSION
1918	};
1919
1920	#endif /* IN_RING3 */
1921

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source: vbox/trunk/src/VBox/Devices/Network/DrvIntNet.cpp@ 91867

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