intnet.h@ 55118

Last change on this file since 55118 was 52592, checked in by vboxsync, 10 years ago
NetFlt/win: NDIS6: fixes, enable disconnect interface, PM support for NetAdp6, installer helper functions
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1	/** @file
2	* INTNET - Internal Networking. (DEV,++)
3	*/
4
5	/*
6	* Copyright (C) 2006-2011 Oracle Corporation
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*/
25
26	#ifndef ___VBox_intnet_h
27	#define ___VBox_intnet_h
28
29	#include <VBox/types.h>
30	#include <VBox/vmm/stam.h>
31	#include <VBox/sup.h>
32	#include <iprt/assert.h>
33	#include <iprt/asm.h>
34
35	RT_C_DECLS_BEGIN
36
37
38	/**
39	* Generic two-sided ring buffer.
40	*
41	* The deal is that there is exactly one writer and one reader.
42	* When offRead equals offWrite the buffer is empty. In the other
43	* extreme the writer will not use the last free byte in the buffer.
44	*/
45	typedef struct INTNETRINGBUF
46	{
47	/** The offset from this structure to the start of the buffer. */
48	uint32_t offStart;
49	/** The offset from this structure to the end of the buffer. (exclusive). */
50	uint32_t offEnd;
51	/** The current read offset. */
52	uint32_t volatile offReadX;
53	/** Alignment. */
54	uint32_t u32Align0;
55
56	/** The committed write offset. */
57	uint32_t volatile offWriteCom;
58	/** Writer internal current write offset.
59	* This is ahead of offWriteCom when buffer space is handed to a third party for
60	* data gathering. offWriteCom will be assigned this value by the writer then
61	* the frame is ready. */
62	uint32_t volatile offWriteInt;
63	/** The number of bytes written (not counting overflows). */
64	STAMCOUNTER cbStatWritten;
65	/** The number of frames written (not counting overflows). */
66	STAMCOUNTER cStatFrames;
67	/** The number of overflows. */
68	STAMCOUNTER cOverflows;
69	} INTNETRINGBUF;
70	AssertCompileSize(INTNETRINGBUF, 48);
71	/** Pointer to a ring buffer. */
72	typedef INTNETRINGBUF *PINTNETRINGBUF;
73
74	/** The alignment of a ring buffer. */
75	#define INTNETRINGBUF_ALIGNMENT sizeof(INTNETHDR)
76
77	/**
78	* Asserts the sanity of the specified INTNETRINGBUF structure.
79	*/
80	#ifdef VBOX_STRICT
81	# define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) \
82	do \
83	{ \
84	AssertPtr(pRingBuf); \
85	{ \
86	uint32_t const offWriteCom = (pRingBuf)->offWriteCom; \
87	uint32_t const offRead = (pRingBuf)->offReadX; \
88	uint32_t const offWriteInt = (pRingBuf)->offWriteInt; \
89	\
90	AssertMsg(offWriteCom == RT_ALIGN_32(offWriteCom, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteCom)); \
91	AssertMsg(offWriteCom >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteCom, (pRingBuf)->offStart)); \
92	AssertMsg(offWriteCom < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteCom, (pRingBuf)->offEnd)); \
93	\
94	AssertMsg(offRead == RT_ALIGN_32(offRead, INTNETHDR_ALIGNMENT), ("%#x\n", offRead)); \
95	AssertMsg(offRead >= (pRingBuf)->offStart, ("%#x %#x\n", offRead, (pRingBuf)->offStart)); \
96	AssertMsg(offRead < (pRingBuf)->offEnd, ("%#x %#x\n", offRead, (pRingBuf)->offEnd)); \
97	\
98	AssertMsg(offWriteInt == RT_ALIGN_32(offWriteInt, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteInt)); \
99	AssertMsg(offWriteInt >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteInt, (pRingBuf)->offStart)); \
100	AssertMsg(offWriteInt < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteInt, (pRingBuf)->offEnd)); \
101	AssertMsg( offRead <= offWriteCom \
102	? offWriteCom <= offWriteInt \|\| offWriteInt < offRead \
103	: offWriteCom <= offWriteInt, \
104	("W=%#x W'=%#x R=%#x\n", offWriteCom, offWriteInt, offRead)); \
105	} \
106	} while (0)
107	#else
108	# define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) do { } while (0)
109	#endif
110
111
112
113	/**
114	* A interface buffer.
115	*/
116	typedef struct INTNETBUF
117	{
118	/** Magic number (INTNETBUF_MAGIC). */
119	uint32_t u32Magic;
120	/** The size of the entire buffer. */
121	uint32_t cbBuf;
122	/** The size of the send area. */
123	uint32_t cbSend;
124	/** The size of the receive area. */
125	uint32_t cbRecv;
126	/** The receive buffer. */
127	INTNETRINGBUF Recv;
128	/** The send buffer. */
129	INTNETRINGBUF Send;
130	/** Number of times yields help solve an overflow. */
131	STAMCOUNTER cStatYieldsOk;
132	/** Number of times yields didn't help solve an overflow. */
133	STAMCOUNTER cStatYieldsNok;
134	/** Number of lost packets due to overflows. */
135	STAMCOUNTER cStatLost;
136	/** Number of bad frames (both rings). */
137	STAMCOUNTER cStatBadFrames;
138	/** Reserved for future use. */
139	STAMCOUNTER aStatReserved[2];
140	/** Reserved for future send profiling. */
141	STAMPROFILE StatSend1;
142	/** Reserved for future send profiling. */
143	STAMPROFILE StatSend2;
144	/** Reserved for future receive profiling. */
145	STAMPROFILE StatRecv1;
146	/** Reserved for future receive profiling. */
147	STAMPROFILE StatRecv2;
148	/** Reserved for future profiling. */
149	STAMPROFILE StatReserved;
150	} INTNETBUF;
151	AssertCompileSize(INTNETBUF, 320);
152	AssertCompileMemberOffset(INTNETBUF, Recv, 16);
153	AssertCompileMemberOffset(INTNETBUF, Send, 64);
154
155	/** Pointer to an interface buffer. */
156	typedef INTNETBUF *PINTNETBUF;
157	/** Pointer to a const interface buffer. */
158	typedef INTNETBUF const *PCINTNETBUF;
159
160	/** Magic number for INTNETBUF::u32Magic (Sir William Gerald Golding). */
161	#define INTNETBUF_MAGIC UINT32_C(0x19110919)
162
163	/**
164	* Asserts the sanity of the specified INTNETBUF structure.
165	*/
166	#define INTNETBUF_ASSERT_SANITY(pBuf) \
167	do \
168	{ \
169	AssertPtr(pBuf); \
170	Assert((pBuf)->u32Magic == INTNETBUF_MAGIC); \
171	{ \
172	uint32_t const offRecvStart = (pBuf)->Recv.offStart + RT_OFFSETOF(INTNETBUF, Recv); \
173	uint32_t const offRecvEnd = (pBuf)->Recv.offStart + RT_OFFSETOF(INTNETBUF, Recv); \
174	uint32_t const offSendStart = (pBuf)->Send.offStart + RT_OFFSETOF(INTNETBUF, Send); \
175	uint32_t const offSendEnd = (pBuf)->Send.offStart + RT_OFFSETOF(INTNETBUF, Send); \
176	\
177	Assert(offRecvEnd > offRecvStart); \
178	Assert(offRecvEnd - offRecvStart == (pBuf)->cbRecv); \
179	Assert(offRecvStart == sizeof(INTNETBUF)); \
180	\
181	Assert(offSendEnd > offSendStart); \
182	Assert(offSendEnd - offSendStart == (pBuf)->cbSend); \
183	Assert(pffSendEnd <= (pBuf)->cbBuf); \
184	\
185	Assert(offSendStart == offRecvEnd); \
186	} \
187	} while (0)
188
189
190	/** Internal networking interface handle. */
191	typedef uint32_t INTNETIFHANDLE;
192	/** Pointer to an internal networking interface handle. */
193	typedef INTNETIFHANDLE *PINTNETIFHANDLE;
194
195	/** Or mask to obscure the handle index. */
196	#define INTNET_HANDLE_MAGIC 0x88880000
197	/** Mask to extract the handle index. */
198	#define INTNET_HANDLE_INDEX_MASK 0xffff
199	/** The maximum number of handles (exclusive) */
200	#define INTNET_HANDLE_MAX 0xffff
201	/** Invalid handle. */
202	#define INTNET_HANDLE_INVALID (0)
203
204
205	/**
206	* The frame header.
207	*
208	* The header is intentionally 8 bytes long. It will always
209	* start at an 8 byte aligned address. Assuming that the buffer
210	* size is a multiple of 8 bytes, that means that we can guarantee
211	* that the entire header is contiguous in both virtual and physical
212	* memory.
213	*/
214	typedef struct INTNETHDR
215	{
216	/** The size of the frame. */
217	uint32_t cbFrame : 24;
218	/** Header type. This is currently serving as a magic, it
219	* can be extended later to encode special command frames and stuff. */
220	uint32_t u8Type : 8;
221	/** The offset from the start of this header to where the actual frame starts.
222	* This is used to keep the frame it self contiguous in virtual memory and
223	* thereby both simplify access as well as the descriptor. */
224	int32_t offFrame;
225	} INTNETHDR;
226	AssertCompileSize(INTNETHDR, 8);
227	AssertCompileSizeAlignment(INTNETBUF, sizeof(INTNETHDR));
228	/** Pointer to a frame header.*/
229	typedef INTNETHDR *PINTNETHDR;
230	/** Pointer to a const frame header.*/
231	typedef INTNETHDR const *PCINTNETHDR;
232
233	/** The alignment of a frame header. */
234	#define INTNETHDR_ALIGNMENT sizeof(INTNETHDR)
235	AssertCompile(sizeof(INTNETHDR) == INTNETHDR_ALIGNMENT);
236	AssertCompile(INTNETHDR_ALIGNMENT <= INTNETRINGBUF_ALIGNMENT);
237
238	/** @name Frame types (INTNETHDR::u8Type).
239	* @{ */
240	/** Normal frames. */
241	#define INTNETHDR_TYPE_FRAME 0x42
242	/** Padding frames. */
243	#define INTNETHDR_TYPE_PADDING 0x53
244	/** Generic segment offload frames.
245	* The frame starts with a PDMNETWORKGSO structure which is followed by the
246	* header template and data. */
247	#define INTNETHDR_TYPE_GSO 0x64
248	AssertCompileSize(PDMNETWORKGSO, 8);
249	/** @} */
250
251	/**
252	* Asserts the sanity of the specified INTNETHDR.
253	*/
254	#ifdef VBOX_STRICT
255	#define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) \
256	do \
257	{ \
258	AssertPtr(pHdr); \
259	Assert(RT_ALIGN_PT(pHdr, INTNETHDR_ALIGNMENT, INTNETHDR *) == pHdr); \
260	Assert( (pHdr)->u8Type == INTNETHDR_TYPE_FRAME \
261	\|\| (pHdr)->u8Type == INTNETHDR_TYPE_GSO \
262	\|\| (pHdr)->u8Type == INTNETHDR_TYPE_PADDING); \
263	{ \
264	uintptr_t const offHdr = (uintptr_t)pHdr - (uintptr_t)pRingBuf; \
265	uintptr_t const offFrame = offHdr + (pHdr)->offFrame; \
266	\
267	Assert(offHdr >= (pRingBuf)->offStart); \
268	Assert(offHdr < (pRingBuf)->offEnd); \
269	\
270	/* could do more thorough work here... later, perhaps. */ \
271	Assert(offFrame >= (pRingBuf)->offStart); \
272	Assert(offFrame < (pRingBuf)->offEnd); \
273	} \
274	} while (0)
275	#else
276	# define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) do { } while (0)
277	#endif
278
279
280	/**
281	* Scatter / Gather segment (internal networking).
282	*/
283	typedef struct INTNETSEG
284	{
285	/** The physical address. NIL_RTHCPHYS is not set. */
286	RTHCPHYS Phys;
287	/** Pointer to the segment data. */
288	void *pv;
289	/** The segment size. */
290	uint32_t cb;
291	} INTNETSEG;
292	/** Pointer to a internal networking frame segment. */
293	typedef INTNETSEG *PINTNETSEG;
294	/** Pointer to a internal networking frame segment. */
295	typedef INTNETSEG const *PCINTNETSEG;
296
297
298	/**
299	* Scatter / Gather list (internal networking).
300	*
301	* This is used when communicating with the trunk port.
302	*/
303	typedef struct INTNETSG
304	{
305	/** Owner data, don't touch! */
306	void *pvOwnerData;
307	/** User data. */
308	void *pvUserData;
309	/** User data 2 in case anyone needs it. */
310	void *pvUserData2;
311	/** GSO context information, set the type to invalid if not relevant. */
312	PDMNETWORKGSO GsoCtx;
313	/** The total length of the scatter gather list. */
314	uint32_t cbTotal;
315	/** The number of users (references).
316	* This is used by the SGRelease code to decide when it can be freed. */
317	uint16_t volatile cUsers;
318	/** Flags, see INTNETSG_FLAGS_* */
319	uint16_t volatile fFlags;
320	#if ARCH_BITS == 64
321	/** Alignment padding. */
322	uint16_t uPadding;
323	#endif
324	/** The number of segments allocated. */
325	uint16_t cSegsAlloc;
326	/** The number of segments actually used. */
327	uint16_t cSegsUsed;
328	/** Variable sized list of segments. */
329	INTNETSEG aSegs[1];
330	} INTNETSG;
331	AssertCompileSizeAlignment(INTNETSG, 8);
332	/** Pointer to a scatter / gather list. */
333	typedef INTNETSG *PINTNETSG;
334	/** Pointer to a const scatter / gather list. */
335	typedef INTNETSG const *PCINTNETSG;
336
337	/** @name INTNETSG::fFlags definitions.
338	* @{ */
339	/** Set if the SG is free. */
340	#define INTNETSG_FLAGS_FREE RT_BIT_32(1)
341	/** Set if the SG is a temporary one that will become invalid upon return.
342	* Try to finish using it before returning, and if that's not possible copy
343	* to other buffers.
344	* When not set, the callee should always free the SG.
345	* Attempts to free it made by the callee will be quietly ignored. */
346	#define INTNETSG_FLAGS_TEMP RT_BIT_32(2)
347	/** ARP packet, IPv4 + MAC.
348	* @internal */
349	#define INTNETSG_FLAGS_ARP_IPV4 RT_BIT_32(3)
350	/** Copied to the temporary buffer.
351	* @internal */
352	#define INTNETSG_FLAGS_PKT_CP_IN_TMP RT_BIT_32(4)
353	/** @} */
354
355
356	/** @name Direction (frame source or destination)
357	* @{ */
358	/** To/From the wire. */
359	#define INTNETTRUNKDIR_WIRE RT_BIT_32(0)
360	/** To/From the host. */
361	#define INTNETTRUNKDIR_HOST RT_BIT_32(1)
362	/** Mask of valid bits. */
363	#define INTNETTRUNKDIR_VALID_MASK UINT32_C(3)
364	/** @} */
365
366	/**
367	* Switch decisions returned by INTNETTRUNKSWPORT::pfnPreRecv.
368	*/
369	typedef enum INTNETSWDECISION
370	{
371	/** The usual invalid zero value. */
372	INTNETSWDECISION_INVALID = 0,
373	/** Everywhere. */
374	INTNETSWDECISION_BROADCAST,
375	/** Only to the internal network. */
376	INTNETSWDECISION_INTNET,
377	/** Only for the trunk (host/wire). */
378	INTNETSWDECISION_TRUNK,
379	/** Used internally to indicate that the packet cannot be handled in the
380	* current context. */
381	INTNETSWDECISION_BAD_CONTEXT,
382	/** Used internally to indicate that the packet should be dropped. */
383	INTNETSWDECISION_DROP,
384	/** The usual 32-bit type expansion. */
385	INTNETSWDECISION_32BIT_HACK = 0x7fffffff
386	} INTNETSWDECISION;
387
388
389	/** Pointer to the interface side of a trunk port. */
390	typedef struct INTNETTRUNKIFPORT *PINTNETTRUNKIFPORT;
391
392
393	/**
394	* Special variation of INTNETTRUNKIFPORT::pfnRelease for use with
395	* INTNETTRUNKSWPORT::pfnDisconnect.
396	*
397	* @param pIfPort Pointer to the INTNETTRUNKIFPORT instance.
398	*/
399	typedef DECLCALLBACK(void) FNINTNETTRUNKIFPORTRELEASEBUSY(PINTNETTRUNKIFPORT pIfPort);
400	/** Pointer to a FNINTNETTRUNKIFPORTRELEASEBUSY function. */
401	typedef FNINTNETTRUNKIFPORTRELEASEBUSY *PFNINTNETTRUNKIFPORTRELEASEBUSY;
402
403
404	/** Pointer to the switch side of a trunk port. */
405	typedef struct INTNETTRUNKSWPORT *PINTNETTRUNKSWPORT;
406	/**
407	* This is the port on the internal network 'switch', i.e.
408	* what the driver is connected to.
409	*
410	* This is only used for the in-kernel trunk connections.
411	*/
412	typedef struct INTNETTRUNKSWPORT
413	{
414	/** Structure version number. (INTNETTRUNKSWPORT_VERSION) */
415	uint32_t u32Version;
416
417	/**
418	* Examine the packet and figure out where it is going.
419	*
420	* This method is for making packet switching decisions in contexts where
421	* pfnRecv cannot be called or is no longer applicable. This method can be
422	* called from any context.
423	*
424	* @returns INTNETSWDECISION_BROADCAST, INTNETSWDECISION_INTNET or
425	* INTNETSWDECISION_TRUNK. The source is excluded from broadcast &
426	* trunk, of course.
427	*
428	* @param pSwitchPort Pointer to this structure.
429	* @param pvHdrs Pointer to the packet headers.
430	* @param cbHdrs Size of the packet headers. This must be at least 6
431	* bytes (the destination MAC address), but should if
432	* possible also include any VLAN tag and network
433	* layer header (wireless mac address sharing).
434	* @param fSrc Where this frame comes from. Only one bit should be
435	* set!
436	*
437	* @remarks Will only grab the switch table spinlock (interrupt safe). May
438	* signal an event semaphore iff we're racing network cleanup. The
439	* caller must be busy when calling.
440	*/
441	DECLR0CALLBACKMEMBER(INTNETSWDECISION, pfnPreRecv,(PINTNETTRUNKSWPORT pSwitchPort,
442	void const *pvHdrs, size_t cbHdrs, uint32_t fSrc));
443
444	/**
445	* Incoming frame.
446	*
447	* The frame may be modified when the trunk port on the switch is set to share
448	* the mac address of the host when hitting the wire. Currently frames
449	* containing ARP packets are subject to this, later other protocols like
450	* NDP/ICMPv6 may need editing as well when operating in this mode. The edited
451	* packet should be forwarded to the host/wire when @c false is returned.
452	*
453	* @returns true if we've handled it and it should be dropped.
454	* false if it should hit the wire/host.
455	*
456	* @param pSwitchPort Pointer to this structure.
457	* @param pvIf Pointer to the interface which received this frame
458	* if available. Can be NULL.
459	* @param pSG The (scatter /) gather structure for the frame. This
460	* will only be use during the call, so a temporary one can
461	* be used. The Phys member will not be used.
462	* @param fSrc Where this frame comes from. Exactly one bit shall be
463	* set!
464	*
465	* @remarks Will only grab the switch table spinlock (interrupt safe). Will
466	* signal event semaphores. The caller must be busy when calling.
467	*
468	* @remarks NAT and TAP will use this interface.
469	*
470	* @todo Do any of the host require notification before frame modifications?
471	* If so, we'll add a callback to INTNETTRUNKIFPORT for this
472	* (pfnSGModifying) and a SG flag.
473	*/
474	DECLR0CALLBACKMEMBER(bool, pfnRecv,(PINTNETTRUNKSWPORT pSwitchPort, void *pvIf, PINTNETSG pSG, uint32_t fSrc));
475
476	/**
477	* Retain a SG.
478	*
479	* @param pSwitchPort Pointer to this structure.
480	* @param pSG Pointer to the (scatter /) gather structure.
481	*
482	* @remarks Will not grab any locks. The caller must be busy when calling.
483	*/
484	DECLR0CALLBACKMEMBER(void, pfnSGRetain,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG));
485
486	/**
487	* Release a SG.
488	*
489	* This is called by the pfnXmit code when done with a SG. This may safe
490	* be done in an asynchronous manner.
491	*
492	* @param pSwitchPort Pointer to this structure.
493	* @param pSG Pointer to the (scatter /) gather structure.
494	*
495	* @remarks May signal an event semaphore later on, currently code won't though.
496	* The caller is busy when making this call.
497	*/
498	DECLR0CALLBACKMEMBER(void, pfnSGRelease,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG));
499
500	/**
501	* Selects whether outgoing SGs should have their physical address set.
502	*
503	* By enabling physical addresses in the scatter / gather segments it should
504	* be possible to save some unnecessary address translation and memory locking
505	* in the network stack. (Internal networking knows the physical address for
506	* all the INTNETBUF data and that it's locked memory.) There is a negative
507	* side effects though, frames that crosses page boundaries will require
508	* multiple scather / gather segments.
509	*
510	* @returns The old setting.
511	*
512	* @param pSwitchPort Pointer to this structure.
513	* @param fEnable Whether to enable or disable it.
514	*
515	* @remarks Will not grab any locks. The caller must be busy when calling.
516	*/
517	DECLR0CALLBACKMEMBER(bool, pfnSetSGPhys,(PINTNETTRUNKSWPORT pSwitchPort, bool fEnable));
518
519	/**
520	* Reports the MAC address of the trunk.
521	*
522	* This is supposed to be called when creating, connection or reconnecting the
523	* trunk and when the MAC address is changed by the system admin.
524	*
525	* @param pSwitchPort Pointer to this structure.
526	* @param pMacAddr The MAC address.
527	*
528	* @remarks May take a spinlock or two. The caller must be busy when calling.
529	*/
530	DECLR0CALLBACKMEMBER(void, pfnReportMacAddress,(PINTNETTRUNKSWPORT pSwitchPort, PCRTMAC pMacAddr));
531
532	/**
533	* Reports the promicuousness of the interface.
534	*
535	* This is supposed to be called when creating, connection or reconnecting the
536	* trunk and when the mode is changed by the system admin.
537	*
538	* @param pSwitchPort Pointer to this structure.
539	* @param fPromiscuous True if the host operates the interface in
540	* promiscuous mode, false if not.
541	*
542	* @remarks May take a spinlock or two. The caller must be busy when calling.
543	*/
544	DECLR0CALLBACKMEMBER(void, pfnReportPromiscuousMode,(PINTNETTRUNKSWPORT pSwitchPort, bool fPromiscuous));
545
546	/**
547	* Reports the GSO capabilities of the host, wire or both.
548	*
549	* This is supposed to be used only when creating, connecting or reconnecting
550	* the trunk. It is assumed that the GSO capabilities are kind of static the
551	* rest of the time.
552	*
553	* @param pSwitchPort Pointer to this structure.
554	* @param fGsoCapabilities The GSO capability bit mask. The bits
555	* corresponds to the GSO type with the same value.
556	* @param fDst The destination mask (INTNETTRUNKDIR_XXX).
557	*
558	* @remarks Does not take any locks. The caller must be busy when calling.
559	*/
560	DECLR0CALLBACKMEMBER(void, pfnReportGsoCapabilities,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fGsoCapabilities, uint32_t fDst));
561
562	/**
563	* Reports the no-preemption-xmit capabilities of the host and wire.
564	*
565	* This is supposed to be used only when creating, connecting or reconnecting
566	* the trunk. It is assumed that the GSO capabilities are kind of static the
567	* rest of the time.
568	*
569	* @param pSwitchPort Pointer to this structure.
570	* @param fNoPreemptDsts The destinations (INTNETTRUNKDIR_XXX) which it
571	* is safe to transmit to with preemption disabled.
572	* @param fDst The destination mask (INTNETTRUNKDIR_XXX).
573	*
574	* @remarks Does not take any locks. The caller must be busy when calling.
575	*/
576	DECLR0CALLBACKMEMBER(void, pfnReportNoPreemptDsts,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fNoPreemptDsts));
577
578	/**
579	* OS triggered trunk disconnect.
580	*
581	* The caller shall must be busy when calling this method to prevent racing the
582	* network destruction code. This method will always consume this busy reference
583	* (released via @a pfnReleaseBusy using @a pIfPort).
584	*
585	* The caller shall guarantee that there are absolutely no chance of concurrent
586	* calls to this method on the same instance.
587	*
588	* @param pSwitchPort Pointer to this structure.
589	* @param pIfPort The interface port structure corresponding to @a
590	* pSwitchPort and which should be used when
591	* calling @a pfnReleaseBusy. This is required as
592	* the method may no longer have access to a valid
593	* @a pIfPort pointer.
594	* @param pfnReleaseBusy Callback for releasing the callers busy
595	* reference to it's side of things.
596	*/
597	DECLR0CALLBACKMEMBER(void, pfnDisconnect,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETTRUNKIFPORT pIfPort,
598	PFNINTNETTRUNKIFPORTRELEASEBUSY pfnReleaseBusy));
599
600	/** Structure version number. (INTNETTRUNKSWPORT_VERSION) */
601	uint32_t u32VersionEnd;
602	} INTNETTRUNKSWPORT;
603
604	/** Version number for the INTNETTRUNKIFPORT::u32Version and INTNETTRUNKIFPORT::u32VersionEnd fields. */
605	# define INTNETTRUNKSWPORT_VERSION UINT32_C(0xA2CDf003)
606
607
608	/**
609	* The trunk interface state used set by INTNETTRUNKIFPORT::pfnSetState.
610	*/
611	typedef enum INTNETTRUNKIFSTATE
612	{
613	/** The invalid zero entry. */
614	INTNETTRUNKIFSTATE_INVALID = 0,
615	/** The trunk is inactive. No calls to INTNETTRUNKSWPORT::pfnRecv or
616	* INTNETTRUNKSWPORT::pfnPreRecv. Calling other methods is OK. */
617	INTNETTRUNKIFSTATE_INACTIVE,
618	/** The trunk is active, no restrictions on methods or anything. */
619	INTNETTRUNKIFSTATE_ACTIVE,
620	/** The trunk is about to be disconnected from the internal network. No
621	* calls to any INTNETRUNKSWPORT methods. */
622	INTNETTRUNKIFSTATE_DISCONNECTING,
623	/** The end of the valid states. */
624	INTNETTRUNKIFSTATE_END,
625	/** The usual 32-bit type blow up hack. */
626	INTNETTRUNKIFSTATE_32BIT_HACK = 0x7fffffff
627	} INTNETTRUNKIFSTATE;
628
629
630	/**
631	* This is the port on the trunk interface, i.e. the driver side which the
632	* internal network is connected to.
633	*
634	* This is only used for the in-kernel trunk connections.
635	*/
636	typedef struct INTNETTRUNKIFPORT
637	{
638	/** Structure version number. (INTNETTRUNKIFPORT_VERSION) */
639	uint32_t u32Version;
640
641	/**
642	* Retain the object.
643	*
644	* It will normally be called while owning the internal network semaphore.
645	*
646	* @param pIfPort Pointer to this structure.
647	*
648	* @remarks May own the big mutex, no spinlocks.
649	*/
650	DECLR0CALLBACKMEMBER(void, pfnRetain,(PINTNETTRUNKIFPORT pIfPort));
651
652	/**
653	* Releases the object.
654	*
655	* This must be called for every pfnRetain call.
656	*
657	* @param pIfPort Pointer to this structure.
658	*
659	* @remarks May own the big mutex, no spinlocks.
660	*/
661	DECLR0CALLBACKMEMBER(void, pfnRelease,(PINTNETTRUNKIFPORT pIfPort));
662
663	/**
664	* Disconnect from the switch and release the object.
665	*
666	* The is the counter action of the
667	* INTNETTRUNKNETFLTFACTORY::pfnCreateAndConnect method.
668	*
669	* @param pIfPort Pointer to this structure.
670	*
671	* @remarks Owns the big mutex.
672	*/
673	DECLR0CALLBACKMEMBER(void, pfnDisconnectAndRelease,(PINTNETTRUNKIFPORT pIfPort));
674
675	/**
676	* Changes the state of the trunk interface.
677	*
678	* The interface is created in the inactive state (INTNETTRUNKIFSTATE_INACTIVE).
679	* When the first connect VM or service is activated, the internal network
680	* activates the trunk (INTNETTRUNKIFSTATE_ACTIVE). The state may then be set
681	* back and forth between INACTIVE and ACTIVE as VMs are paused, added and
682	* removed.
683	*
684	* Eventually though, the network is destroyed as a result of there being no
685	* more VMs left in it and the state is changed to disconnecting
686	* (INTNETTRUNKIFSTATE_DISCONNECTING) and pfnWaitForIdle is called to make sure
687	* there are no active calls in either direction when pfnDisconnectAndRelease is
688	* called.
689	*
690	* A typical operation to performed by this method is to enable/disable promiscuous
691	* mode on the host network interface when entering/leaving the active state.
692	*
693	* @returns The previous state.
694	*
695	* @param pIfPort Pointer to this structure.
696	* @param enmState The new state.
697	*
698	* @remarks Owns the big mutex. No racing pfnSetState, pfnWaitForIdle,
699	* pfnDisconnectAndRelease or INTNETTRUNKFACTORY::pfnCreateAndConnect
700	* calls.
701	*/
702	DECLR0CALLBACKMEMBER(INTNETTRUNKIFSTATE, pfnSetState,(PINTNETTRUNKIFPORT pIfPort, INTNETTRUNKIFSTATE enmState));
703
704	/**
705	* Notifies when the MAC address of an interface is set or changes.
706	*
707	* @param pIfPort Pointer to this structure.
708	* @param pvIfData Pointer to the trunk's interface data (see
709	* pfnConnectInterface).
710	* @param pMac Pointer to the MAC address of the connecting VM NIC.
711	*
712	* @remarks Only busy references to the trunk and the interface.
713	*/
714	DECLR0CALLBACKMEMBER(void, pfnNotifyMacAddress,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PCRTMAC pMac));
715
716	/**
717	* Called when an interface is connected to the network.
718	*
719	* @returns IPRT status code.
720	* @param pIfPort Pointer to this structure.
721	* @param pvIf Opaque pointer to the interface being connected.
722	* For use INTNETTRUNKSWPORT::pfnRecv.
723	* @param ppvIfData Pointer to a pointer variable that the trunk
724	* implementation can use to associate data with the
725	* interface. This pointer will be passed to the
726	* pfnXmit, pfnNotifyMacAddress and
727	* pfnDisconnectInterface methods.
728	*
729	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
730	*/
731	DECLR0CALLBACKMEMBER(int, pfnConnectInterface,(PINTNETTRUNKIFPORT pIfPort, void pvIf, void *ppvIfData));
732
733	/**
734	* Called when an interface is disconnected from the network.
735	*
736	* @param pIfPort Pointer to this structure.
737	* @param pvIfData Pointer to the trunk's interface data (see
738	* pfnConnectInterface).
739	*
740	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
741	*/
742	DECLR0CALLBACKMEMBER(void, pfnDisconnectInterface,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData));
743
744	/**
745	* Waits for the interface to become idle.
746	*
747	* This method must be called before disconnecting and releasing the object in
748	* order to prevent racing incoming/outgoing frames and device
749	* enabling/disabling.
750	*
751	* @returns IPRT status code (see RTSemEventWait).
752	* @param pIfPort Pointer to this structure.
753	* @param cMillies The number of milliseconds to wait. 0 means
754	* no waiting at all. Use RT_INDEFINITE_WAIT for
755	* an indefinite wait.
756	*
757	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
758	*/
759	DECLR0CALLBACKMEMBER(int, pfnWaitForIdle,(PINTNETTRUNKIFPORT pIfPort, uint32_t cMillies));
760
761	/**
762	* Transmit a frame.
763	*
764	* @return VBox status code. Error generally means we'll drop the frame.
765	* @param pIfPort Pointer to this structure.
766	* @param pvIfData Pointer to the trunk's interface data (see
767	* pfnConnectInterface).
768	* @param pSG Pointer to the (scatter /) gather structure for the frame.
769	* This may or may not be a temporary buffer. If it's temporary
770	* the transmit operation(s) then it's required to make a copy
771	* of the frame unless it can be transmitted synchronously.
772	* @param fDst The destination mask. At least one bit will be set.
773	*
774	* @remarks No locks. May be called concurrently on several threads.
775	*/
776	DECLR0CALLBACKMEMBER(int, pfnXmit,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PINTNETSG pSG, uint32_t fDst));
777
778	/** Structure version number. (INTNETTRUNKIFPORT_VERSION) */
779	uint32_t u32VersionEnd;
780	} INTNETTRUNKIFPORT;
781
782	/** Version number for the INTNETTRUNKIFPORT::u32Version and INTNETTRUNKIFPORT::u32VersionEnd fields. */
783	#define INTNETTRUNKIFPORT_VERSION UINT32_C(0xA2CDe001)
784
785
786	/**
787	* The component factory interface for create a network
788	* interface filter (like VBoxNetFlt).
789	*/
790	typedef struct INTNETTRUNKFACTORY
791	{
792	/**
793	* Release this factory.
794	*
795	* SUPR0ComponentQueryFactory (SUPDRVFACTORY::pfnQueryFactoryInterface to be precise)
796	* will retain a reference to the factory and the caller has to call this method to
797	* release it once the pfnCreateAndConnect call(s) has been done.
798	*
799	* @param pIfFactory Pointer to this structure.
800	*/
801	DECLR0CALLBACKMEMBER(void, pfnRelease,(struct INTNETTRUNKFACTORY *pIfFactory));
802
803	/**
804	* Create an instance for the specfied host interface and connects it
805	* to the internal network trunk port.
806	*
807	* The initial interface active state is false (suspended).
808	*
809	*
810	* @returns VBox status code.
811	* @retval VINF_SUCCESS and *ppIfPort set on success.
812	* @retval VERR_INTNET_FLT_IF_NOT_FOUND if the interface was not found.
813	* @retval VERR_INTNET_FLT_IF_BUSY if the interface is already connected.
814	* @retval VERR_INTNET_FLT_IF_FAILED if it failed for some other reason.
815	*
816	* @param pIfFactory Pointer to this structure.
817	* @param pszName The interface name (OS specific).
818	* @param pSwitchPort Pointer to the port interface on the switch that
819	* this interface is being connected to.
820	* @param fFlags Creation flags, see below.
821	* @param ppIfPort Where to store the pointer to the interface port
822	* on success.
823	*
824	* @remarks Called while owning the network and the out-bound trunk semaphores.
825	*/
826	DECLR0CALLBACKMEMBER(int, pfnCreateAndConnect,(struct INTNETTRUNKFACTORY pIfFactory, const char pszName,
827	PINTNETTRUNKSWPORT pSwitchPort, uint32_t fFlags,
828	PINTNETTRUNKIFPORT *ppIfPort));
829	} INTNETTRUNKFACTORY;
830	/** Pointer to the trunk factory. */
831	typedef INTNETTRUNKFACTORY *PINTNETTRUNKFACTORY;
832
833	/** The UUID for the (current) trunk factory. (case sensitive) */
834	#define INTNETTRUNKFACTORY_UUID_STR "de504d93-1d1e-4781-8b73-6ea39a0e36a2"
835
836	/** @name INTNETTRUNKFACTORY::pfnCreateAndConnect flags.
837	* @{ */
838	/** Don't put the filtered interface in promiscuous mode.
839	* This is used for wireless interface since these can misbehave if
840	* we try to put them in promiscuous mode. (Wireless interfaces are
841	* normally bridged on level 3 instead of level 2.) */
842	#define INTNETTRUNKFACTORY_FLAG_NO_PROMISC RT_BIT_32(0)
843	/** @} */
844
845
846	/**
847	* The trunk connection type.
848	*
849	* Used by IntNetR0Open and associated interfaces.
850	*/
851	typedef enum INTNETTRUNKTYPE
852	{
853	/** Invalid trunk type. */
854	kIntNetTrunkType_Invalid = 0,
855	/** No trunk connection. */
856	kIntNetTrunkType_None,
857	/** We don't care which kind of trunk connection if the network exists,
858	* if it doesn't exist create it without a connection. */
859	kIntNetTrunkType_WhateverNone,
860	/** VirtualBox host network interface filter driver.
861	* The trunk name is the name of the host network interface. */
862	kIntNetTrunkType_NetFlt,
863	/** VirtualBox adapter host driver. */
864	kIntNetTrunkType_NetAdp,
865	/** Nat service (ring-0). */
866	kIntNetTrunkType_SrvNat,
867	/** The end of valid types. */
868	kIntNetTrunkType_End,
869	/** The usual 32-bit hack. */
870	kIntNetTrunkType_32bitHack = 0x7fffffff
871	} INTNETTRUNKTYPE;
872
873	/** @name IntNetR0Open flags.
874	*
875	* The desired policy options must be specified explicitly, if omitted it is
876	* understood that whatever is current or default is fine with the caller.
877	*
878	* @todo Move the policies out of the flags, use three new parameters.
879	*
880	* @{ */
881	/** Share the MAC address with the host when sending something to the wire via the trunk.
882	* This is typically used when the trunk is a NetFlt for a wireless interface. */
883	#define INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE RT_BIT_32(0)
884	/** Require that the current security and promiscuous policies of the network
885	* is exactly as the ones specified in this open network request.
886	*
887	* Use this with INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES to prevent
888	* restrictions from being lifted. If no further policy changes are desired,
889	* apply the relevant _FIXED flags. */
890	#define INTNET_OPEN_FLAGS_REQUIRE_EXACT RT_BIT_32(1)
891	/** Require that the security and promiscuous policies of the network is at
892	* least as restrictive as specified this request specifies and prevent them
893	* being lifted later on. */
894	#define INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES RT_BIT_32(2)
895
896	/** Network access policy: Fixed if set, changable if clear. */
897	#define INTNET_OPEN_FLAGS_ACCESS_FIXED RT_BIT_32(3)
898	/** Network access policy: Public network. */
899	#define INTNET_OPEN_FLAGS_ACCESS_PUBLIC RT_BIT_32(4)
900	/** Network access policy: Restricted network. */
901	#define INTNET_OPEN_FLAGS_ACCESS_RESTRICTED RT_BIT_32(5)
902
903	/** Promiscuous mode policy: Is it fixed or changable by new participants? */
904	#define INTNET_OPEN_FLAGS_PROMISC_FIXED RT_BIT_32(6)
905	/** Promiscuous mode policy: Allow the clients to request it. */
906	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS RT_BIT_32(7)
907	/** Promiscuous mode policy: Deny the clients from requesting it. */
908	#define INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS RT_BIT_32(8)
909	/** Promiscuous mode policy: Allow the trunk-host to request it. */
910	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST RT_BIT_32(9)
911	/** Promiscuous mode policy: Deny the trunk-host from requesting it. */
912	#define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST RT_BIT_32(10)
913	/** Promiscuous mode policy: Allow the trunk-wire to request it. */
914	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE RT_BIT_32(11)
915	/** Promiscuous mode policy: Deny the trunk-wire from requesting it. */
916	#define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE RT_BIT_32(12)
917
918	/** Interface policies: Is it fixed or changable (by admin).
919	* @note Per interface, not network wide. */
920	#define INTNET_OPEN_FLAGS_IF_FIXED RT_BIT_32(13)
921	/** Interface promiscuous mode policy: Allow the interface to request it. */
922	#define INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW RT_BIT_32(14)
923	/** Interface promiscuous mode policy: Deny the interface from requesting it. */
924	#define INTNET_OPEN_FLAGS_IF_PROMISC_DENY RT_BIT_32(15)
925	/** Interface promiscuous mode policy: See unrelated trunk traffic. */
926	#define INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK RT_BIT_32(16)
927	/** Interface promiscuous mode policy: No unrelated trunk traffic visible. */
928	#define INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK RT_BIT_32(17)
929
930	/** Trunk policy: Fixed if set, changable if clear.
931	* @remarks The DISABLED options are considered more restrictive by
932	* INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES. */
933	#define INTNET_OPEN_FLAGS_TRUNK_FIXED RT_BIT_32(18)
934	/** Trunk policy: The host end should be enabled. */
935	#define INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED RT_BIT_32(19)
936	/** Trunk policy: The host end should be disabled. */
937	#define INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED RT_BIT_32(20)
938	/** Trunk policy: The host should only see packets destined for it. */
939	#define INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE RT_BIT_32(21)
940	/** Trunk policy: The host should see all packets. */
941	#define INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE RT_BIT_32(22)
942	/** Trunk policy: The wire end should be enabled. */
943	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED RT_BIT_32(23)
944	/** Trunk policy: The wire end should be disabled. */
945	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED RT_BIT_32(24)
946	/** Trunk policy: The wire should only see packets destined for it. */
947	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE RT_BIT_32(25)
948	/** Trunk policy: The wire should see all packets. */
949	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE RT_BIT_32(26)
950
951	/** Used to enable host specific workarounds.
952	*
953	* On darwin this will clear ip_tos in DHCP packets when
954	* INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE is also set. */
955	#define INTNET_OPEN_FLAGS_WORKAROUND_1 RT_BIT_32(31)
956
957
958	/** The mask of valid flags. */
959	#define INTNET_OPEN_FLAGS_MASK UINT32_C(0x83ffffff)
960	/** The mask of all flags use to fix (lock) settings. */
961	#define INTNET_OPEN_FLAGS_FIXED_MASK \
962	( INTNET_OPEN_FLAGS_ACCESS_FIXED \
963	\| INTNET_OPEN_FLAGS_PROMISC_FIXED \
964	\| INTNET_OPEN_FLAGS_IF_FIXED \
965	\| INTNET_OPEN_FLAGS_TRUNK_FIXED )
966
967	/** The mask of all policy pairs. */
968	#define INTNET_OPEN_FLAGS_PAIR_MASK \
969	( INTNET_OPEN_FLAGS_ACCESS_PUBLIC \| INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \
970	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS \| INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \
971	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST \| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \
972	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE \| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \
973	\| INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \| INTNET_OPEN_FLAGS_IF_PROMISC_DENY \
974	\| INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK \| INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \
975	\| INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \
976	\| INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE \| INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \
977	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \
978	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \| INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \
979	)
980	/** The mask of all relaxed policy bits. */
981	#define INTNET_OPEN_FLAGS_RELAXED_MASK \
982	( INTNET_OPEN_FLAGS_ACCESS_PUBLIC \
983	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS \
984	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST \
985	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE \
986	\| INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \
987	\| INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK \
988	\| INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \
989	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \
990	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \
991	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \
992	)
993	/** The mask of all strict policy bits. */
994	#define INTNET_OPEN_FLAGS_STRICT_MASK \
995	( INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \
996	\| INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \
997	\| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \
998	\| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \
999	\| INTNET_OPEN_FLAGS_IF_PROMISC_DENY \
1000	\| INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \
1001	\| INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \
1002	\| INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \
1003	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \
1004	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \
1005	)
1006	/** @} */
1007
1008	/** The maximum length of a network name. */
1009	#define INTNET_MAX_NETWORK_NAME 128
1010
1011	/** The maximum length of a trunk name. */
1012	#define INTNET_MAX_TRUNK_NAME 64
1013
1014
1015	/**
1016	* Request buffer for IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN.
1017	* @see IntNetR0Open.
1018	*/
1019	typedef struct INTNETOPENREQ
1020	{
1021	/** The request header. */
1022	SUPVMMR0REQHDR Hdr;
1023	/** Alternative to passing the taking the session from the VM handle.
1024	* Either use this member or use the VM handle, don't do both. */
1025	PSUPDRVSESSION pSession;
1026	/** The network name. (input) */
1027	char szNetwork[INTNET_MAX_NETWORK_NAME];
1028	/** What to connect to the trunk port. (input)
1029	* This is specific to the trunk type below. */
1030	char szTrunk[INTNET_MAX_TRUNK_NAME];
1031	/** The type of trunk link (NAT, Filter, TAP, etc). (input) */
1032	INTNETTRUNKTYPE enmTrunkType;
1033	/** Flags, see INTNET_OPEN_FLAGS_. (input) /
1034	uint32_t fFlags;
1035	/** The size of the send buffer. (input) */
1036	uint32_t cbSend;
1037	/** The size of the receive buffer. (input) */
1038	uint32_t cbRecv;
1039	/** The handle to the network interface. (output) */
1040	INTNETIFHANDLE hIf;
1041	} INTNETOPENREQ;
1042	/** Pointer to an IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN request buffer. */
1043	typedef INTNETOPENREQ *PINTNETOPENREQ;
1044
1045	INTNETR0DECL(int) IntNetR0OpenReq(PSUPDRVSESSION pSession, PINTNETOPENREQ pReq);
1046
1047
1048	/**
1049	* Request buffer for IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE.
1050	* @see IntNetR0IfClose.
1051	*/
1052	typedef struct INTNETIFCLOSEREQ
1053	{
1054	/** The request header. */
1055	SUPVMMR0REQHDR Hdr;
1056	/** Alternative to passing the taking the session from the VM handle.
1057	* Either use this member or use the VM handle, don't do both. */
1058	PSUPDRVSESSION pSession;
1059	/** The handle to the network interface. */
1060	INTNETIFHANDLE hIf;
1061	} INTNETIFCLOSEREQ;
1062	/** Pointer to an IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE request
1063	* buffer. */
1064	typedef INTNETIFCLOSEREQ *PINTNETIFCLOSEREQ;
1065
1066	INTNETR0DECL(int) IntNetR0IfCloseReq(PSUPDRVSESSION pSession, PINTNETIFCLOSEREQ pReq);
1067
1068
1069	/**
1070	* Request buffer for IntNetR0IfGetRing3BufferReq /
1071	* VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS.
1072	* @see IntNetR0IfGetRing3Buffer.
1073	*/
1074	typedef struct INTNETIFGETBUFFERPTRSREQ
1075	{
1076	/** The request header. */
1077	SUPVMMR0REQHDR Hdr;
1078	/** Alternative to passing the taking the session from the VM handle.
1079	* Either use this member or use the VM handle, don't do both. */
1080	PSUPDRVSESSION pSession;
1081	/** Handle to the interface. */
1082	INTNETIFHANDLE hIf;
1083	/** The pointer to the ring-3 buffer. (output) */
1084	R3PTRTYPE(PINTNETBUF) pRing3Buf;
1085	/** The pointer to the ring-0 buffer. (output) */
1086	R0PTRTYPE(PINTNETBUF) pRing0Buf;
1087	} INTNETIFGETBUFFERPTRSREQ;
1088	/** Pointer to an IntNetR0IfGetRing3BufferReq /
1089	* VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS request buffer. */
1090	typedef INTNETIFGETBUFFERPTRSREQ *PINTNETIFGETBUFFERPTRSREQ;
1091
1092	INTNETR0DECL(int) IntNetR0IfGetBufferPtrsReq(PSUPDRVSESSION pSession, PINTNETIFGETBUFFERPTRSREQ pReq);
1093
1094
1095	/**
1096	* Request buffer for IntNetR0IfSetPromiscuousModeReq /
1097	* VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE.
1098	* @see IntNetR0IfSetPromiscuousMode.
1099	*/
1100	typedef struct INTNETIFSETPROMISCUOUSMODEREQ
1101	{
1102	/** The request header. */
1103	SUPVMMR0REQHDR Hdr;
1104	/** Alternative to passing the taking the session from the VM handle.
1105	* Either use this member or use the VM handle, don't do both. */
1106	PSUPDRVSESSION pSession;
1107	/** Handle to the interface. */
1108	INTNETIFHANDLE hIf;
1109	/** The new promiscuous mode. */
1110	bool fPromiscuous;
1111	} INTNETIFSETPROMISCUOUSMODEREQ;
1112	/** Pointer to an IntNetR0IfSetPromiscuousModeReq /
1113	* VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE request buffer. */
1114	typedef INTNETIFSETPROMISCUOUSMODEREQ *PINTNETIFSETPROMISCUOUSMODEREQ;
1115
1116	INTNETR0DECL(int) IntNetR0IfSetPromiscuousModeReq(PSUPDRVSESSION pSession, PINTNETIFSETPROMISCUOUSMODEREQ pReq);
1117
1118
1119	/**
1120	* Request buffer for IntNetR0IfSetMacAddressReq /
1121	* VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS.
1122	* @see IntNetR0IfSetMacAddress.
1123	*/
1124	typedef struct INTNETIFSETMACADDRESSREQ
1125	{
1126	/** The request header. */
1127	SUPVMMR0REQHDR Hdr;
1128	/** Alternative to passing the taking the session from the VM handle.
1129	* Either use this member or use the VM handle, don't do both. */
1130	PSUPDRVSESSION pSession;
1131	/** Handle to the interface. */
1132	INTNETIFHANDLE hIf;
1133	/** The new MAC address. */
1134	RTMAC Mac;
1135	} INTNETIFSETMACADDRESSREQ;
1136	/** Pointer to an IntNetR0IfSetMacAddressReq /
1137	* VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS request buffer. */
1138	typedef INTNETIFSETMACADDRESSREQ *PINTNETIFSETMACADDRESSREQ;
1139
1140	INTNETR0DECL(int) IntNetR0IfSetMacAddressReq(PSUPDRVSESSION pSession, PINTNETIFSETMACADDRESSREQ pReq);
1141
1142
1143	/**
1144	* Request buffer for IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE.
1145	* @see IntNetR0IfSetActive.
1146	*/
1147	typedef struct INTNETIFSETACTIVEREQ
1148	{
1149	/** The request header. */
1150	SUPVMMR0REQHDR Hdr;
1151	/** Alternative to passing the taking the session from the VM handle.
1152	* Either use this member or use the VM handle, don't do both. */
1153	PSUPDRVSESSION pSession;
1154	/** Handle to the interface. */
1155	INTNETIFHANDLE hIf;
1156	/** The new state. */
1157	bool fActive;
1158	} INTNETIFSETACTIVEREQ;
1159	/** Pointer to an IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE
1160	* request buffer. */
1161	typedef INTNETIFSETACTIVEREQ *PINTNETIFSETACTIVEREQ;
1162
1163	INTNETR0DECL(int) IntNetR0IfSetActiveReq(PSUPDRVSESSION pSession, PINTNETIFSETACTIVEREQ pReq);
1164
1165
1166	/**
1167	* Request buffer for IntNetR0IfSendReq / VMMR0_DO_INTNET_IF_SEND.
1168	* @see IntNetR0IfSend.
1169	*/
1170	typedef struct INTNETIFSENDREQ
1171	{
1172	/** The request header. */
1173	SUPVMMR0REQHDR Hdr;
1174	/** Alternative to passing the taking the session from the VM handle.
1175	* Either use this member or use the VM handle, don't do both. */
1176	PSUPDRVSESSION pSession;
1177	/** Handle to the interface. */
1178	INTNETIFHANDLE hIf;
1179	} INTNETIFSENDREQ;
1180	/** Pointer to an IntNetR0IfSend() argument package. */
1181	typedef INTNETIFSENDREQ *PINTNETIFSENDREQ;
1182
1183	INTNETR0DECL(int) IntNetR0IfSendReq(PSUPDRVSESSION pSession, PINTNETIFSENDREQ pReq);
1184
1185
1186	/**
1187	* Request buffer for IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT.
1188	* @see IntNetR0IfWait.
1189	*/
1190	typedef struct INTNETIFWAITREQ
1191	{
1192	/** The request header. */
1193	SUPVMMR0REQHDR Hdr;
1194	/** Alternative to passing the taking the session from the VM handle.
1195	* Either use this member or use the VM handle, don't do both. */
1196	PSUPDRVSESSION pSession;
1197	/** Handle to the interface. */
1198	INTNETIFHANDLE hIf;
1199	/** The number of milliseconds to wait. */
1200	uint32_t cMillies;
1201	} INTNETIFWAITREQ;
1202	/** Pointer to an IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT request buffer. */
1203	typedef INTNETIFWAITREQ *PINTNETIFWAITREQ;
1204
1205	INTNETR0DECL(int) IntNetR0IfWaitReq(PSUPDRVSESSION pSession, PINTNETIFWAITREQ pReq);
1206
1207
1208	/**
1209	* Request buffer for IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT.
1210	* @see IntNetR0IfAbortWait.
1211	*/
1212	typedef struct INTNETIFABORTWAITREQ
1213	{
1214	/** The request header. */
1215	SUPVMMR0REQHDR Hdr;
1216	/** Alternative to passing the taking the session from the VM handle.
1217	* Either use this member or use the VM handle, don't do both. */
1218	PSUPDRVSESSION pSession;
1219	/** Handle to the interface. */
1220	INTNETIFHANDLE hIf;
1221	/** Set this to fend off all future IntNetR0Wait calls. */
1222	bool fNoMoreWaits;
1223	} INTNETIFABORTWAITREQ;
1224	/** Pointer to an IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT
1225	* request buffer. */
1226	typedef INTNETIFABORTWAITREQ *PINTNETIFABORTWAITREQ;
1227
1228	INTNETR0DECL(int) IntNetR0IfAbortWaitReq(PSUPDRVSESSION pSession, PINTNETIFABORTWAITREQ pReq);
1229
1230
1231	#if defined(IN_RING0) \|\| defined(IN_INTNET_TESTCASE)
1232	/** @name
1233	* @{
1234	*/
1235
1236	INTNETR0DECL(int) IntNetR0Init(void);
1237	INTNETR0DECL(void) IntNetR0Term(void);
1238	INTNETR0DECL(int) IntNetR0Open(PSUPDRVSESSION pSession, const char *pszNetwork,
1239	INTNETTRUNKTYPE enmTrunkType, const char *pszTrunk, uint32_t fFlags,
1240	uint32_t cbSend, uint32_t cbRecv, PINTNETIFHANDLE phIf);
1241	INTNETR0DECL(uint32_t) IntNetR0GetNetworkCount(void);
1242
1243	INTNETR0DECL(int) IntNetR0IfClose(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1244	INTNETR0DECL(int) IntNetR0IfGetBufferPtrs(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession,
1245	R3PTRTYPE(PINTNETBUF) ppRing3Buf, R0PTRTYPE(PINTNETBUF) ppRing0Buf);
1246	INTNETR0DECL(int) IntNetR0IfSetPromiscuousMode(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fPromiscuous);
1247	INTNETR0DECL(int) IntNetR0IfSetMacAddress(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, PCRTMAC pMac);
1248	INTNETR0DECL(int) IntNetR0IfSetActive(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fActive);
1249	INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1250	INTNETR0DECL(int) IntNetR0IfWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, uint32_t cMillies);
1251	INTNETR0DECL(int) IntNetR0IfAbortWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1252
1253	/** @} */
1254	#endif /* IN_RING0 */
1255
1256	RT_C_DECLS_END
1257
1258	#endif

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source: vbox/trunk/include/VBox/intnet.h@ 55118

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