intnet.h@ 97046

Last change on this file since 97046 was 97046, checked in by vboxsync, 2 years ago
Devices/DrvIntNet,NetworkServices,Installer/darwin: First rough attempt at making the internal networking option work on macOS after all KEXTs got removed, bugref:10297
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1	/** @file
2	* INTNET - Internal Networking. (DEV,++)
3	*/
4
5	/*
6	* Copyright (C) 2006-2022 Oracle and/or its affiliates.
7	*
8	* This file is part of VirtualBox base platform packages, as
9	* available from https://www.virtualbox.org.
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU General Public License
13	* as published by the Free Software Foundation, in version 3 of the
14	* License.
15	*
16	* This program is distributed in the hope that it will be useful, but
17	* WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19	* General Public License for more details.
20	*
21	* You should have received a copy of the GNU General Public License
22	* along with this program; if not, see <https://www.gnu.org/licenses>.
23	*
24	* The contents of this file may alternatively be used under the terms
25	* of the Common Development and Distribution License Version 1.0
26	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27	* in the VirtualBox distribution, in which case the provisions of the
28	* CDDL are applicable instead of those of the GPL.
29	*
30	* You may elect to license modified versions of this file under the
31	* terms and conditions of either the GPL or the CDDL or both.
32	*
33	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34	*/
35
36	#ifndef VBOX_INCLUDED_intnet_h
37	#define VBOX_INCLUDED_intnet_h
38	#ifndef RT_WITHOUT_PRAGMA_ONCE
39	# pragma once
40	#endif
41
42	#include <VBox/types.h>
43	#include <VBox/vmm/stam.h>
44	#include <VBox/sup.h>
45	#include <iprt/assert.h>
46	#include <iprt/asm.h>
47
48	RT_C_DECLS_BEGIN
49
50
51	/** The userspace internal network service identifier. */
52	#if defined(RT_OS_DARWIN) && defined(VBOX_WITH_INTNET_SERVICE_IN_R3)
53	# define INTNET_R3_SVC_NAME "org.virtualbox.intnet"
54	#endif
55
56
57	/**
58	* Generic two-sided ring buffer.
59	*
60	* The deal is that there is exactly one writer and one reader.
61	* When offRead equals offWrite the buffer is empty. In the other
62	* extreme the writer will not use the last free byte in the buffer.
63	*/
64	typedef struct INTNETRINGBUF
65	{
66	/** The offset from this structure to the start of the buffer. */
67	uint32_t offStart;
68	/** The offset from this structure to the end of the buffer. (exclusive). */
69	uint32_t offEnd;
70	/** The current read offset. */
71	uint32_t volatile offReadX;
72	/** Alignment. */
73	uint32_t u32Align0;
74
75	/** The committed write offset. */
76	uint32_t volatile offWriteCom;
77	/** Writer internal current write offset.
78	* This is ahead of offWriteCom when buffer space is handed to a third party for
79	* data gathering. offWriteCom will be assigned this value by the writer then
80	* the frame is ready. */
81	uint32_t volatile offWriteInt;
82	/** The number of bytes written (not counting overflows). */
83	STAMCOUNTER cbStatWritten;
84	/** The number of frames written (not counting overflows). */
85	STAMCOUNTER cStatFrames;
86	/** The number of overflows. */
87	STAMCOUNTER cOverflows;
88	} INTNETRINGBUF;
89	AssertCompileSize(INTNETRINGBUF, 48);
90	/** Pointer to a ring buffer. */
91	typedef INTNETRINGBUF *PINTNETRINGBUF;
92
93	/** The alignment of a ring buffer. */
94	#define INTNETRINGBUF_ALIGNMENT sizeof(INTNETHDR)
95
96	/**
97	* Asserts the sanity of the specified INTNETRINGBUF structure.
98	*/
99	#ifdef VBOX_STRICT
100	# define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) \
101	do \
102	{ \
103	AssertPtr(pRingBuf); \
104	{ \
105	uint32_t const offWriteCom = (pRingBuf)->offWriteCom; \
106	uint32_t const offRead = (pRingBuf)->offReadX; \
107	uint32_t const offWriteInt = (pRingBuf)->offWriteInt; \
108	\
109	AssertMsg(offWriteCom == RT_ALIGN_32(offWriteCom, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteCom)); \
110	AssertMsg(offWriteCom >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteCom, (pRingBuf)->offStart)); \
111	AssertMsg(offWriteCom < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteCom, (pRingBuf)->offEnd)); \
112	\
113	AssertMsg(offRead == RT_ALIGN_32(offRead, INTNETHDR_ALIGNMENT), ("%#x\n", offRead)); \
114	AssertMsg(offRead >= (pRingBuf)->offStart, ("%#x %#x\n", offRead, (pRingBuf)->offStart)); \
115	AssertMsg(offRead < (pRingBuf)->offEnd, ("%#x %#x\n", offRead, (pRingBuf)->offEnd)); \
116	\
117	AssertMsg(offWriteInt == RT_ALIGN_32(offWriteInt, INTNETHDR_ALIGNMENT), ("%#x\n", offWriteInt)); \
118	AssertMsg(offWriteInt >= (pRingBuf)->offStart, ("%#x %#x\n", offWriteInt, (pRingBuf)->offStart)); \
119	AssertMsg(offWriteInt < (pRingBuf)->offEnd, ("%#x %#x\n", offWriteInt, (pRingBuf)->offEnd)); \
120	AssertMsg( offRead <= offWriteCom \
121	? offWriteCom <= offWriteInt \|\| offWriteInt < offRead \
122	: offWriteCom <= offWriteInt, \
123	("W=%#x W'=%#x R=%#x\n", offWriteCom, offWriteInt, offRead)); \
124	} \
125	} while (0)
126	#else
127	# define INTNETRINGBUF_ASSERT_SANITY(pRingBuf) do { } while (0)
128	#endif
129
130
131
132	/**
133	* A interface buffer.
134	*/
135	typedef struct INTNETBUF
136	{
137	/** Magic number (INTNETBUF_MAGIC). */
138	uint32_t u32Magic;
139	/** The size of the entire buffer. */
140	uint32_t cbBuf;
141	/** The size of the send area. */
142	uint32_t cbSend;
143	/** The size of the receive area. */
144	uint32_t cbRecv;
145	/** The receive buffer. */
146	INTNETRINGBUF Recv;
147	/** The send buffer. */
148	INTNETRINGBUF Send;
149	/** Number of times yields help solve an overflow. */
150	STAMCOUNTER cStatYieldsOk;
151	/** Number of times yields didn't help solve an overflow. */
152	STAMCOUNTER cStatYieldsNok;
153	/** Number of lost packets due to overflows. */
154	STAMCOUNTER cStatLost;
155	/** Number of bad frames (both rings). */
156	STAMCOUNTER cStatBadFrames;
157	/** Reserved for future use. */
158	STAMCOUNTER aStatReserved[2];
159	/** Reserved for future send profiling. */
160	STAMPROFILE StatSend1;
161	/** Reserved for future send profiling. */
162	STAMPROFILE StatSend2;
163	/** Reserved for future receive profiling. */
164	STAMPROFILE StatRecv1;
165	/** Reserved for future receive profiling. */
166	STAMPROFILE StatRecv2;
167	/** Reserved for future profiling. */
168	STAMPROFILE StatReserved;
169	} INTNETBUF;
170	AssertCompileSize(INTNETBUF, 320);
171	AssertCompileMemberOffset(INTNETBUF, Recv, 16);
172	AssertCompileMemberOffset(INTNETBUF, Send, 64);
173
174	/** Pointer to an interface buffer. */
175	typedef INTNETBUF *PINTNETBUF;
176	/** Pointer to a const interface buffer. */
177	typedef INTNETBUF const *PCINTNETBUF;
178
179	/** Magic number for INTNETBUF::u32Magic (Sir William Gerald Golding). */
180	#define INTNETBUF_MAGIC UINT32_C(0x19110919)
181
182	/**
183	* Asserts the sanity of the specified INTNETBUF structure.
184	*/
185	#define INTNETBUF_ASSERT_SANITY(pBuf) \
186	do \
187	{ \
188	AssertPtr(pBuf); \
189	Assert((pBuf)->u32Magic == INTNETBUF_MAGIC); \
190	{ \
191	uint32_t const offRecvStart = (pBuf)->Recv.offStart + RT_UOFFSETOF(INTNETBUF, Recv); \
192	uint32_t const offRecvEnd = (pBuf)->Recv.offStart + RT_UOFFSETOF(INTNETBUF, Recv); \
193	uint32_t const offSendStart = (pBuf)->Send.offStart + RT_UOFFSETOF(INTNETBUF, Send); \
194	uint32_t const offSendEnd = (pBuf)->Send.offStart + RT_UOFFSETOF(INTNETBUF, Send); \
195	\
196	Assert(offRecvEnd > offRecvStart); \
197	Assert(offRecvEnd - offRecvStart == (pBuf)->cbRecv); \
198	Assert(offRecvStart == sizeof(INTNETBUF)); \
199	\
200	Assert(offSendEnd > offSendStart); \
201	Assert(offSendEnd - offSendStart == (pBuf)->cbSend); \
202	Assert(pffSendEnd <= (pBuf)->cbBuf); \
203	\
204	Assert(offSendStart == offRecvEnd); \
205	} \
206	} while (0)
207
208
209	/** Internal networking interface handle. */
210	typedef uint32_t INTNETIFHANDLE;
211	/** Pointer to an internal networking interface handle. */
212	typedef INTNETIFHANDLE *PINTNETIFHANDLE;
213
214	/** Or mask to obscure the handle index. */
215	#define INTNET_HANDLE_MAGIC 0x88880000
216	/** Mask to extract the handle index. */
217	#define INTNET_HANDLE_INDEX_MASK 0xffff
218	/** The maximum number of handles (exclusive) */
219	#define INTNET_HANDLE_MAX 0xffff
220	/** Invalid handle. */
221	#define INTNET_HANDLE_INVALID (0)
222
223
224	/**
225	* The frame header.
226	*
227	* The header is intentionally 8 bytes long. It will always
228	* start at an 8 byte aligned address. Assuming that the buffer
229	* size is a multiple of 8 bytes, that means that we can guarantee
230	* that the entire header is contiguous in both virtual and physical
231	* memory.
232	*/
233	typedef struct INTNETHDR
234	{
235	/** The size of the frame. */
236	uint32_t cbFrame : 24;
237	/** Header type. This is currently serving as a magic, it
238	* can be extended later to encode special command frames and stuff. */
239	uint32_t u8Type : 8;
240	/** The offset from the start of this header to where the actual frame starts.
241	* This is used to keep the frame it self contiguous in virtual memory and
242	* thereby both simplify access as well as the descriptor. */
243	int32_t offFrame;
244	} INTNETHDR;
245	AssertCompileSize(INTNETHDR, 8);
246	AssertCompileSizeAlignment(INTNETBUF, sizeof(INTNETHDR));
247	/** Pointer to a frame header.*/
248	typedef INTNETHDR *PINTNETHDR;
249	/** Pointer to a const frame header.*/
250	typedef INTNETHDR const *PCINTNETHDR;
251
252	/** The alignment of a frame header. */
253	#define INTNETHDR_ALIGNMENT sizeof(INTNETHDR)
254	AssertCompile(sizeof(INTNETHDR) == INTNETHDR_ALIGNMENT);
255	AssertCompile(INTNETHDR_ALIGNMENT <= INTNETRINGBUF_ALIGNMENT);
256
257	/** @name Frame types (INTNETHDR::u8Type).
258	* @{ */
259	/** Normal frames. */
260	#define INTNETHDR_TYPE_FRAME 0x42
261	/** Padding frames. */
262	#define INTNETHDR_TYPE_PADDING 0x53
263	/** Generic segment offload frames.
264	* The frame starts with a PDMNETWORKGSO structure which is followed by the
265	* header template and data. */
266	#define INTNETHDR_TYPE_GSO 0x64
267	AssertCompileSize(PDMNETWORKGSO, 8);
268	/** @} */
269
270	/**
271	* Asserts the sanity of the specified INTNETHDR.
272	*/
273	#ifdef VBOX_STRICT
274	#define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) \
275	do \
276	{ \
277	AssertPtr(pHdr); \
278	Assert(RT_ALIGN_PT(pHdr, INTNETHDR_ALIGNMENT, INTNETHDR *) == pHdr); \
279	Assert( (pHdr)->u8Type == INTNETHDR_TYPE_FRAME \
280	\|\| (pHdr)->u8Type == INTNETHDR_TYPE_GSO \
281	\|\| (pHdr)->u8Type == INTNETHDR_TYPE_PADDING); \
282	{ \
283	uintptr_t const offHdr = (uintptr_t)pHdr - (uintptr_t)pRingBuf; \
284	uintptr_t const offFrame = offHdr + (pHdr)->offFrame; \
285	\
286	Assert(offHdr >= (pRingBuf)->offStart); \
287	Assert(offHdr < (pRingBuf)->offEnd); \
288	\
289	/* could do more thorough work here... later, perhaps. */ \
290	Assert(offFrame >= (pRingBuf)->offStart); \
291	Assert(offFrame < (pRingBuf)->offEnd); \
292	} \
293	} while (0)
294	#else
295	# define INTNETHDR_ASSERT_SANITY(pHdr, pRingBuf) do { } while (0)
296	#endif
297
298
299	/**
300	* Scatter / Gather segment (internal networking).
301	*/
302	typedef struct INTNETSEG
303	{
304	/** The physical address. NIL_RTHCPHYS is not set. */
305	RTHCPHYS Phys;
306	/** Pointer to the segment data. */
307	void *pv;
308	/** The segment size. */
309	uint32_t cb;
310	} INTNETSEG;
311	/** Pointer to a internal networking frame segment. */
312	typedef INTNETSEG *PINTNETSEG;
313	/** Pointer to a internal networking frame segment. */
314	typedef INTNETSEG const *PCINTNETSEG;
315
316
317	/**
318	* Scatter / Gather list (internal networking).
319	*
320	* This is used when communicating with the trunk port.
321	*/
322	typedef struct INTNETSG
323	{
324	/** Owner data, don't touch! */
325	void *pvOwnerData;
326	/** User data. */
327	void *pvUserData;
328	/** User data 2 in case anyone needs it. */
329	void *pvUserData2;
330	/** GSO context information, set the type to invalid if not relevant. */
331	PDMNETWORKGSO GsoCtx;
332	/** The total length of the scatter gather list. */
333	uint32_t cbTotal;
334	/** The number of users (references).
335	* This is used by the SGRelease code to decide when it can be freed. */
336	uint16_t volatile cUsers;
337	/** Flags, see INTNETSG_FLAGS_* */
338	uint16_t volatile fFlags;
339	#if ARCH_BITS == 64
340	/** Alignment padding. */
341	uint16_t uPadding;
342	#endif
343	/** The number of segments allocated. */
344	uint16_t cSegsAlloc;
345	/** The number of segments actually used. */
346	uint16_t cSegsUsed;
347	/** Variable sized list of segments. */
348	INTNETSEG aSegs[1];
349	} INTNETSG;
350	AssertCompileSizeAlignment(INTNETSG, 8);
351	/** Pointer to a scatter / gather list. */
352	typedef INTNETSG *PINTNETSG;
353	/** Pointer to a const scatter / gather list. */
354	typedef INTNETSG const *PCINTNETSG;
355
356	/** @name INTNETSG::fFlags definitions.
357	* @{ */
358	/** Set if the SG is free. */
359	#define INTNETSG_FLAGS_FREE RT_BIT_32(1)
360	/** Set if the SG is a temporary one that will become invalid upon return.
361	* Try to finish using it before returning, and if that's not possible copy
362	* to other buffers.
363	* When not set, the callee should always free the SG.
364	* Attempts to free it made by the callee will be quietly ignored. */
365	#define INTNETSG_FLAGS_TEMP RT_BIT_32(2)
366	/** ARP packet, IPv4 + MAC.
367	* @internal */
368	#define INTNETSG_FLAGS_ARP_IPV4 RT_BIT_32(3)
369	/** Copied to the temporary buffer.
370	* @internal */
371	#define INTNETSG_FLAGS_PKT_CP_IN_TMP RT_BIT_32(4)
372	/** @} */
373
374
375	/** @name Direction (frame source or destination)
376	* @{ */
377	/** To/From the wire. */
378	#define INTNETTRUNKDIR_WIRE RT_BIT_32(0)
379	/** To/From the host. */
380	#define INTNETTRUNKDIR_HOST RT_BIT_32(1)
381	/** Mask of valid bits. */
382	#define INTNETTRUNKDIR_VALID_MASK UINT32_C(3)
383	/** @} */
384
385	/**
386	* Switch decisions returned by INTNETTRUNKSWPORT::pfnPreRecv.
387	*/
388	typedef enum INTNETSWDECISION
389	{
390	/** The usual invalid zero value. */
391	INTNETSWDECISION_INVALID = 0,
392	/** Everywhere. */
393	INTNETSWDECISION_BROADCAST,
394	/** Only to the internal network. */
395	INTNETSWDECISION_INTNET,
396	/** Only for the trunk (host/wire). */
397	INTNETSWDECISION_TRUNK,
398	/** Used internally to indicate that the packet cannot be handled in the
399	* current context. */
400	INTNETSWDECISION_BAD_CONTEXT,
401	/** Used internally to indicate that the packet should be dropped. */
402	INTNETSWDECISION_DROP,
403	/** The usual 32-bit type expansion. */
404	INTNETSWDECISION_32BIT_HACK = 0x7fffffff
405	} INTNETSWDECISION;
406
407
408	/**
409	* Network layer address type.
410	*/
411	typedef enum INTNETADDRTYPE
412	{
413	/** The invalid 0 entry. */
414	kIntNetAddrType_Invalid = 0,
415	/** IP version 4. */
416	kIntNetAddrType_IPv4,
417	/** IP version 6. */
418	kIntNetAddrType_IPv6,
419	/** IPX. */
420	kIntNetAddrType_IPX,
421	/** The end of the valid values. */
422	kIntNetAddrType_End,
423	/** The usual 32-bit hack. */
424	kIntNetAddrType_32BitHack = 0x7fffffff
425	} INTNETADDRTYPE;
426
427
428	/** Pointer to the interface side of a trunk port. */
429	typedef struct INTNETTRUNKIFPORT *PINTNETTRUNKIFPORT;
430
431
432	/**
433	* Special variation of INTNETTRUNKIFPORT::pfnRelease for use with
434	* INTNETTRUNKSWPORT::pfnDisconnect.
435	*
436	* @param pIfPort Pointer to the INTNETTRUNKIFPORT instance.
437	*/
438	typedef DECLCALLBACKTYPE(void, FNINTNETTRUNKIFPORTRELEASEBUSY,(PINTNETTRUNKIFPORT pIfPort));
439	/** Pointer to a FNINTNETTRUNKIFPORTRELEASEBUSY function. */
440	typedef FNINTNETTRUNKIFPORTRELEASEBUSY *PFNINTNETTRUNKIFPORTRELEASEBUSY;
441
442
443	/** Pointer to the switch side of a trunk port. */
444	typedef struct INTNETTRUNKSWPORT *PINTNETTRUNKSWPORT;
445	/**
446	* This is the port on the internal network 'switch', i.e.
447	* what the driver is connected to.
448	*
449	* This is only used for the in-kernel trunk connections.
450	*/
451	typedef struct INTNETTRUNKSWPORT
452	{
453	/** Structure version number. (INTNETTRUNKSWPORT_VERSION) */
454	uint32_t u32Version;
455
456	/**
457	* Examine the packet and figure out where it is going.
458	*
459	* This method is for making packet switching decisions in contexts where
460	* pfnRecv cannot be called or is no longer applicable. This method can be
461	* called from any context.
462	*
463	* @returns INTNETSWDECISION_BROADCAST, INTNETSWDECISION_INTNET or
464	* INTNETSWDECISION_TRUNK. The source is excluded from broadcast &
465	* trunk, of course.
466	*
467	* @param pSwitchPort Pointer to this structure.
468	* @param pvHdrs Pointer to the packet headers.
469	* @param cbHdrs Size of the packet headers. This must be at least 6
470	* bytes (the destination MAC address), but should if
471	* possible also include any VLAN tag and network
472	* layer header (wireless mac address sharing).
473	* @param fSrc Where this frame comes from. Only one bit should be
474	* set!
475	*
476	* @remarks Will only grab the switch table spinlock (interrupt safe). May
477	* signal an event semaphore iff we're racing network cleanup. The
478	* caller must be busy when calling.
479	*/
480	DECLR0CALLBACKMEMBER(INTNETSWDECISION, pfnPreRecv,(PINTNETTRUNKSWPORT pSwitchPort,
481	void const *pvHdrs, size_t cbHdrs, uint32_t fSrc));
482
483	/**
484	* Incoming frame.
485	*
486	* The frame may be modified when the trunk port on the switch is set to share
487	* the mac address of the host when hitting the wire. Currently frames
488	* containing ARP packets are subject to this, later other protocols like
489	* NDP/ICMPv6 may need editing as well when operating in this mode. The edited
490	* packet should be forwarded to the host/wire when @c false is returned.
491	*
492	* @returns true if we've handled it and it should be dropped.
493	* false if it should hit the wire/host.
494	*
495	* @param pSwitchPort Pointer to this structure.
496	* @param pvIf Pointer to the interface which received this frame
497	* if available. Can be NULL.
498	* @param pSG The (scatter /) gather structure for the frame. This
499	* will only be use during the call, so a temporary one can
500	* be used. The Phys member will not be used.
501	* @param fSrc Where this frame comes from. Exactly one bit shall be
502	* set!
503	*
504	* @remarks Will only grab the switch table spinlock (interrupt safe). Will
505	* signal event semaphores. The caller must be busy when calling.
506	*
507	* @remarks NAT and TAP will use this interface.
508	*
509	* @todo Do any of the host require notification before frame modifications?
510	* If so, we'll add a callback to INTNETTRUNKIFPORT for this
511	* (pfnSGModifying) and a SG flag.
512	*/
513	DECLR0CALLBACKMEMBER(bool, pfnRecv,(PINTNETTRUNKSWPORT pSwitchPort, void *pvIf, PINTNETSG pSG, uint32_t fSrc));
514
515	/**
516	* Retain a SG.
517	*
518	* @param pSwitchPort Pointer to this structure.
519	* @param pSG Pointer to the (scatter /) gather structure.
520	*
521	* @remarks Will not grab any locks. The caller must be busy when calling.
522	*/
523	DECLR0CALLBACKMEMBER(void, pfnSGRetain,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG));
524
525	/**
526	* Release a SG.
527	*
528	* This is called by the pfnXmit code when done with a SG. This may safe
529	* be done in an asynchronous manner.
530	*
531	* @param pSwitchPort Pointer to this structure.
532	* @param pSG Pointer to the (scatter /) gather structure.
533	*
534	* @remarks May signal an event semaphore later on, currently code won't though.
535	* The caller is busy when making this call.
536	*/
537	DECLR0CALLBACKMEMBER(void, pfnSGRelease,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETSG pSG));
538
539	/**
540	* Selects whether outgoing SGs should have their physical address set.
541	*
542	* By enabling physical addresses in the scatter / gather segments it should
543	* be possible to save some unnecessary address translation and memory locking
544	* in the network stack. (Internal networking knows the physical address for
545	* all the INTNETBUF data and that it's locked memory.) There is a negative
546	* side effects though, frames that crosses page boundaries will require
547	* multiple scather / gather segments.
548	*
549	* @returns The old setting.
550	*
551	* @param pSwitchPort Pointer to this structure.
552	* @param fEnable Whether to enable or disable it.
553	*
554	* @remarks Will not grab any locks. The caller must be busy when calling.
555	*/
556	DECLR0CALLBACKMEMBER(bool, pfnSetSGPhys,(PINTNETTRUNKSWPORT pSwitchPort, bool fEnable));
557
558	/**
559	* Reports the MAC address of the trunk.
560	*
561	* This is supposed to be called when creating, connection or reconnecting the
562	* trunk and when the MAC address is changed by the system admin.
563	*
564	* @param pSwitchPort Pointer to this structure.
565	* @param pMacAddr The MAC address.
566	*
567	* @remarks May take a spinlock or two. The caller must be busy when calling.
568	*/
569	DECLR0CALLBACKMEMBER(void, pfnReportMacAddress,(PINTNETTRUNKSWPORT pSwitchPort, PCRTMAC pMacAddr));
570
571	/**
572	* Reports the promicuousness of the interface.
573	*
574	* This is supposed to be called when creating, connection or reconnecting the
575	* trunk and when the mode is changed by the system admin.
576	*
577	* @param pSwitchPort Pointer to this structure.
578	* @param fPromiscuous True if the host operates the interface in
579	* promiscuous mode, false if not.
580	*
581	* @remarks May take a spinlock or two. The caller must be busy when calling.
582	*/
583	DECLR0CALLBACKMEMBER(void, pfnReportPromiscuousMode,(PINTNETTRUNKSWPORT pSwitchPort, bool fPromiscuous));
584
585	/**
586	* Reports the GSO capabilities of the host, wire or both.
587	*
588	* This is supposed to be used only when creating, connecting or reconnecting
589	* the trunk. It is assumed that the GSO capabilities are kind of static the
590	* rest of the time.
591	*
592	* @param pSwitchPort Pointer to this structure.
593	* @param fGsoCapabilities The GSO capability bit mask. The bits
594	* corresponds to the GSO type with the same value.
595	* @param fDst The destination mask (INTNETTRUNKDIR_XXX).
596	*
597	* @remarks Does not take any locks. The caller must be busy when calling.
598	*/
599	DECLR0CALLBACKMEMBER(void, pfnReportGsoCapabilities,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fGsoCapabilities, uint32_t fDst));
600
601	/**
602	* Reports the no-preemption-xmit capabilities of the host and wire.
603	*
604	* This is supposed to be used only when creating, connecting or reconnecting
605	* the trunk. It is assumed that the GSO capabilities are kind of static the
606	* rest of the time.
607	*
608	* @param pSwitchPort Pointer to this structure.
609	* @param fNoPreemptDsts The destinations (INTNETTRUNKDIR_XXX) which it
610	* is safe to transmit to with preemption disabled.
611	* @param fDst The destination mask (INTNETTRUNKDIR_XXX).
612	*
613	* @remarks Does not take any locks. The caller must be busy when calling.
614	*/
615	DECLR0CALLBACKMEMBER(void, pfnReportNoPreemptDsts,(PINTNETTRUNKSWPORT pSwitchPort, uint32_t fNoPreemptDsts));
616
617	/**
618	* Notifications about changes to host IP addresses.
619	*
620	* This is used by networks bridged to wifi that share mac with
621	* the host. Host reports changes to its IP addresses so that L3
622	* switching can ingore guests spoofing host's own IP addresses
623	*
624	* This callback may be null to indicate we are not interested.
625	*
626	* @param pSwitchPort Pointer to this structure.
627	* @param fAdded Whether address is added of removed.
628	* @param enmType Address type.
629	* @param pvAddr Pointer to the address.
630	*/
631	DECLR0CALLBACKMEMBER(void, pfnNotifyHostAddress,(PINTNETTRUNKSWPORT pSwitchPort, bool fAdded,
632	INTNETADDRTYPE enmType, const void *pvAddr));
633
634	/**
635	* OS triggered trunk disconnect.
636	*
637	* The caller shall must be busy when calling this method to prevent racing the
638	* network destruction code. This method will always consume this busy reference
639	* (released via @a pfnReleaseBusy using @a pIfPort).
640	*
641	* The caller shall guarantee that there are absolutely no chance of concurrent
642	* calls to this method on the same instance.
643	*
644	* @param pSwitchPort Pointer to this structure.
645	* @param pIfPort The interface port structure corresponding to @a
646	* pSwitchPort and which should be used when
647	* calling @a pfnReleaseBusy. This is required as
648	* the method may no longer have access to a valid
649	* @a pIfPort pointer.
650	* @param pfnReleaseBusy Callback for releasing the callers busy
651	* reference to it's side of things.
652	*/
653	DECLR0CALLBACKMEMBER(void, pfnDisconnect,(PINTNETTRUNKSWPORT pSwitchPort, PINTNETTRUNKIFPORT pIfPort,
654	PFNINTNETTRUNKIFPORTRELEASEBUSY pfnReleaseBusy));
655
656	/** Structure version number. (INTNETTRUNKSWPORT_VERSION) */
657	uint32_t u32VersionEnd;
658	} INTNETTRUNKSWPORT;
659
660	/**
661	* Version number for the INTNETTRUNKIFPORT::u32Version and
662	* INTNETTRUNKIFPORT::u32VersionEnd fields.
663	*
664	* NB: Version @c 0xA2CDf005 is consumed by 4.x branches for the
665	* backport of pfnNotifyHostAddress. On the next version bump use
666	* @c 0xA2CDf006 and remove this reminder.
667	*/
668	# define INTNETTRUNKSWPORT_VERSION UINT32_C(0xA2CDf004)
669
670
671	/**
672	* The trunk interface state used set by INTNETTRUNKIFPORT::pfnSetState.
673	*/
674	typedef enum INTNETTRUNKIFSTATE
675	{
676	/** The invalid zero entry. */
677	INTNETTRUNKIFSTATE_INVALID = 0,
678	/** The trunk is inactive. No calls to INTNETTRUNKSWPORT::pfnRecv or
679	* INTNETTRUNKSWPORT::pfnPreRecv. Calling other methods is OK. */
680	INTNETTRUNKIFSTATE_INACTIVE,
681	/** The trunk is active, no restrictions on methods or anything. */
682	INTNETTRUNKIFSTATE_ACTIVE,
683	/** The trunk is about to be disconnected from the internal network. No
684	* calls to any INTNETRUNKSWPORT methods. */
685	INTNETTRUNKIFSTATE_DISCONNECTING,
686	/** The end of the valid states. */
687	INTNETTRUNKIFSTATE_END,
688	/** The usual 32-bit type blow up hack. */
689	INTNETTRUNKIFSTATE_32BIT_HACK = 0x7fffffff
690	} INTNETTRUNKIFSTATE;
691
692
693	/**
694	* This is the port on the trunk interface, i.e. the driver side which the
695	* internal network is connected to.
696	*
697	* This is only used for the in-kernel trunk connections.
698	*/
699	typedef struct INTNETTRUNKIFPORT
700	{
701	/** Structure version number. (INTNETTRUNKIFPORT_VERSION) */
702	uint32_t u32Version;
703
704	/**
705	* Retain the object.
706	*
707	* It will normally be called while owning the internal network semaphore.
708	*
709	* @param pIfPort Pointer to this structure.
710	*
711	* @remarks May own the big mutex, no spinlocks.
712	*/
713	DECLR0CALLBACKMEMBER(void, pfnRetain,(PINTNETTRUNKIFPORT pIfPort));
714
715	/**
716	* Releases the object.
717	*
718	* This must be called for every pfnRetain call.
719	*
720	* @param pIfPort Pointer to this structure.
721	*
722	* @remarks May own the big mutex, no spinlocks.
723	*/
724	DECLR0CALLBACKMEMBER(void, pfnRelease,(PINTNETTRUNKIFPORT pIfPort));
725
726	/**
727	* Disconnect from the switch and release the object.
728	*
729	* The is the counter action of the
730	* INTNETTRUNKNETFLTFACTORY::pfnCreateAndConnect method.
731	*
732	* @param pIfPort Pointer to this structure.
733	*
734	* @remarks Owns the big mutex.
735	*/
736	DECLR0CALLBACKMEMBER(void, pfnDisconnectAndRelease,(PINTNETTRUNKIFPORT pIfPort));
737
738	/**
739	* Changes the state of the trunk interface.
740	*
741	* The interface is created in the inactive state (INTNETTRUNKIFSTATE_INACTIVE).
742	* When the first connect VM or service is activated, the internal network
743	* activates the trunk (INTNETTRUNKIFSTATE_ACTIVE). The state may then be set
744	* back and forth between INACTIVE and ACTIVE as VMs are paused, added and
745	* removed.
746	*
747	* Eventually though, the network is destroyed as a result of there being no
748	* more VMs left in it and the state is changed to disconnecting
749	* (INTNETTRUNKIFSTATE_DISCONNECTING) and pfnWaitForIdle is called to make sure
750	* there are no active calls in either direction when pfnDisconnectAndRelease is
751	* called.
752	*
753	* A typical operation to performed by this method is to enable/disable promiscuous
754	* mode on the host network interface when entering/leaving the active state.
755	*
756	* @returns The previous state.
757	*
758	* @param pIfPort Pointer to this structure.
759	* @param enmState The new state.
760	*
761	* @remarks Owns the big mutex. No racing pfnSetState, pfnWaitForIdle,
762	* pfnDisconnectAndRelease or INTNETTRUNKFACTORY::pfnCreateAndConnect
763	* calls.
764	*/
765	DECLR0CALLBACKMEMBER(INTNETTRUNKIFSTATE, pfnSetState,(PINTNETTRUNKIFPORT pIfPort, INTNETTRUNKIFSTATE enmState));
766
767	/**
768	* Notifies when the MAC address of an interface is set or changes.
769	*
770	* @param pIfPort Pointer to this structure.
771	* @param pvIfData Pointer to the trunk's interface data (see
772	* pfnConnectInterface).
773	* @param pMac Pointer to the MAC address of the connecting VM NIC.
774	*
775	* @remarks Only busy references to the trunk and the interface.
776	*/
777	DECLR0CALLBACKMEMBER(void, pfnNotifyMacAddress,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PCRTMAC pMac));
778
779	/**
780	* Called when an interface is connected to the network.
781	*
782	* @returns IPRT status code.
783	* @param pIfPort Pointer to this structure.
784	* @param pvIf Opaque pointer to the interface being connected.
785	* For use INTNETTRUNKSWPORT::pfnRecv.
786	* @param ppvIfData Pointer to a pointer variable that the trunk
787	* implementation can use to associate data with the
788	* interface. This pointer will be passed to the
789	* pfnXmit, pfnNotifyMacAddress and
790	* pfnDisconnectInterface methods.
791	*
792	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
793	*/
794	DECLR0CALLBACKMEMBER(int, pfnConnectInterface,(PINTNETTRUNKIFPORT pIfPort, void pvIf, void *ppvIfData));
795
796	/**
797	* Called when an interface is disconnected from the network.
798	*
799	* @param pIfPort Pointer to this structure.
800	* @param pvIfData Pointer to the trunk's interface data (see
801	* pfnConnectInterface).
802	*
803	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
804	*/
805	DECLR0CALLBACKMEMBER(void, pfnDisconnectInterface,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData));
806
807	/**
808	* Waits for the interface to become idle.
809	*
810	* This method must be called before disconnecting and releasing the object in
811	* order to prevent racing incoming/outgoing frames and device
812	* enabling/disabling.
813	*
814	* @returns IPRT status code (see RTSemEventWait).
815	* @param pIfPort Pointer to this structure.
816	* @param cMillies The number of milliseconds to wait. 0 means
817	* no waiting at all. Use RT_INDEFINITE_WAIT for
818	* an indefinite wait.
819	*
820	* @remarks Owns the big mutex. No racing pfnDisconnectAndRelease.
821	*/
822	DECLR0CALLBACKMEMBER(int, pfnWaitForIdle,(PINTNETTRUNKIFPORT pIfPort, uint32_t cMillies));
823
824	/**
825	* Transmit a frame.
826	*
827	* @return VBox status code. Error generally means we'll drop the frame.
828	* @param pIfPort Pointer to this structure.
829	* @param pvIfData Pointer to the trunk's interface data (see
830	* pfnConnectInterface).
831	* @param pSG Pointer to the (scatter /) gather structure for the frame.
832	* This may or may not be a temporary buffer. If it's temporary
833	* the transmit operation(s) then it's required to make a copy
834	* of the frame unless it can be transmitted synchronously.
835	* @param fDst The destination mask. At least one bit will be set.
836	*
837	* @remarks No locks. May be called concurrently on several threads.
838	*/
839	DECLR0CALLBACKMEMBER(int, pfnXmit,(PINTNETTRUNKIFPORT pIfPort, void *pvIfData, PINTNETSG pSG, uint32_t fDst));
840
841	/** Structure version number. (INTNETTRUNKIFPORT_VERSION) */
842	uint32_t u32VersionEnd;
843	} INTNETTRUNKIFPORT;
844
845	/** Version number for the INTNETTRUNKIFPORT::u32Version and INTNETTRUNKIFPORT::u32VersionEnd fields. */
846	#define INTNETTRUNKIFPORT_VERSION UINT32_C(0xA2CDe001)
847
848
849	/**
850	* The component factory interface for create a network
851	* interface filter (like VBoxNetFlt).
852	*/
853	typedef struct INTNETTRUNKFACTORY
854	{
855	/**
856	* Release this factory.
857	*
858	* SUPR0ComponentQueryFactory (SUPDRVFACTORY::pfnQueryFactoryInterface to be precise)
859	* will retain a reference to the factory and the caller has to call this method to
860	* release it once the pfnCreateAndConnect call(s) has been done.
861	*
862	* @param pIfFactory Pointer to this structure.
863	*/
864	DECLR0CALLBACKMEMBER(void, pfnRelease,(struct INTNETTRUNKFACTORY *pIfFactory));
865
866	/**
867	* Create an instance for the specfied host interface and connects it
868	* to the internal network trunk port.
869	*
870	* The initial interface active state is false (suspended).
871	*
872	*
873	* @returns VBox status code.
874	* @retval VINF_SUCCESS and *ppIfPort set on success.
875	* @retval VERR_INTNET_FLT_IF_NOT_FOUND if the interface was not found.
876	* @retval VERR_INTNET_FLT_IF_BUSY if the interface is already connected.
877	* @retval VERR_INTNET_FLT_IF_FAILED if it failed for some other reason.
878	*
879	* @param pIfFactory Pointer to this structure.
880	* @param pszName The interface name (OS specific).
881	* @param pSwitchPort Pointer to the port interface on the switch that
882	* this interface is being connected to.
883	* @param fFlags Creation flags, see below.
884	* @param ppIfPort Where to store the pointer to the interface port
885	* on success.
886	*
887	* @remarks Called while owning the network and the out-bound trunk semaphores.
888	*/
889	DECLR0CALLBACKMEMBER(int, pfnCreateAndConnect,(struct INTNETTRUNKFACTORY pIfFactory, const char pszName,
890	PINTNETTRUNKSWPORT pSwitchPort, uint32_t fFlags,
891	PINTNETTRUNKIFPORT *ppIfPort));
892	} INTNETTRUNKFACTORY;
893	/** Pointer to the trunk factory. */
894	typedef INTNETTRUNKFACTORY *PINTNETTRUNKFACTORY;
895
896	/** The UUID for the (current) trunk factory. (case sensitive) */
897	#define INTNETTRUNKFACTORY_UUID_STR "de504d93-1d1e-4781-8b73-6ea39a0e36a2"
898
899	/** @name INTNETTRUNKFACTORY::pfnCreateAndConnect flags.
900	* @{ */
901	/** Don't put the filtered interface in promiscuous mode.
902	* This is used for wireless interface since these can misbehave if
903	* we try to put them in promiscuous mode. (Wireless interfaces are
904	* normally bridged on level 3 instead of level 2.) */
905	#define INTNETTRUNKFACTORY_FLAG_NO_PROMISC RT_BIT_32(0)
906	/** @} */
907
908
909	/**
910	* The trunk connection type.
911	*
912	* Used by IntNetR0Open and associated interfaces.
913	*/
914	typedef enum INTNETTRUNKTYPE
915	{
916	/** Invalid trunk type. */
917	kIntNetTrunkType_Invalid = 0,
918	/** No trunk connection. */
919	kIntNetTrunkType_None,
920	/** We don't care which kind of trunk connection if the network exists,
921	* if it doesn't exist create it without a connection. */
922	kIntNetTrunkType_WhateverNone,
923	/** VirtualBox host network interface filter driver.
924	* The trunk name is the name of the host network interface. */
925	kIntNetTrunkType_NetFlt,
926	/** VirtualBox adapter host driver. */
927	kIntNetTrunkType_NetAdp,
928	/** Nat service (ring-0). */
929	kIntNetTrunkType_SrvNat,
930	/** The end of valid types. */
931	kIntNetTrunkType_End,
932	/** The usual 32-bit hack. */
933	kIntNetTrunkType_32bitHack = 0x7fffffff
934	} INTNETTRUNKTYPE;
935
936	/** @name IntNetR0Open flags.
937	*
938	* The desired policy options must be specified explicitly, if omitted it is
939	* understood that whatever is current or default is fine with the caller.
940	*
941	* @todo Move the policies out of the flags, use three new parameters.
942	*
943	* @{ */
944	/** Share the MAC address with the host when sending something to the wire via the trunk.
945	* This is typically used when the trunk is a NetFlt for a wireless interface. */
946	#define INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE RT_BIT_32(0)
947	/** Require that the current security and promiscuous policies of the network
948	* is exactly as the ones specified in this open network request.
949	*
950	* Use this with INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES to prevent
951	* restrictions from being lifted. If no further policy changes are desired,
952	* apply the relevant _FIXED flags. */
953	#define INTNET_OPEN_FLAGS_REQUIRE_EXACT RT_BIT_32(1)
954	/** Require that the security and promiscuous policies of the network is at
955	* least as restrictive as specified this request specifies and prevent them
956	* being lifted later on. */
957	#define INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES RT_BIT_32(2)
958
959	/** Network access policy: Fixed if set, changable if clear. */
960	#define INTNET_OPEN_FLAGS_ACCESS_FIXED RT_BIT_32(3)
961	/** Network access policy: Public network. */
962	#define INTNET_OPEN_FLAGS_ACCESS_PUBLIC RT_BIT_32(4)
963	/** Network access policy: Restricted network. */
964	#define INTNET_OPEN_FLAGS_ACCESS_RESTRICTED RT_BIT_32(5)
965
966	/** Promiscuous mode policy: Is it fixed or changable by new participants? */
967	#define INTNET_OPEN_FLAGS_PROMISC_FIXED RT_BIT_32(6)
968	/** Promiscuous mode policy: Allow the clients to request it. */
969	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS RT_BIT_32(7)
970	/** Promiscuous mode policy: Deny the clients from requesting it. */
971	#define INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS RT_BIT_32(8)
972	/** Promiscuous mode policy: Allow the trunk-host to request it. */
973	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST RT_BIT_32(9)
974	/** Promiscuous mode policy: Deny the trunk-host from requesting it. */
975	#define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST RT_BIT_32(10)
976	/** Promiscuous mode policy: Allow the trunk-wire to request it. */
977	#define INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE RT_BIT_32(11)
978	/** Promiscuous mode policy: Deny the trunk-wire from requesting it. */
979	#define INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE RT_BIT_32(12)
980
981	/** Interface policies: Is it fixed or changable (by admin).
982	* @note Per interface, not network wide. */
983	#define INTNET_OPEN_FLAGS_IF_FIXED RT_BIT_32(13)
984	/** Interface promiscuous mode policy: Allow the interface to request it. */
985	#define INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW RT_BIT_32(14)
986	/** Interface promiscuous mode policy: Deny the interface from requesting it. */
987	#define INTNET_OPEN_FLAGS_IF_PROMISC_DENY RT_BIT_32(15)
988	/** Interface promiscuous mode policy: See unrelated trunk traffic. */
989	#define INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK RT_BIT_32(16)
990	/** Interface promiscuous mode policy: No unrelated trunk traffic visible. */
991	#define INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK RT_BIT_32(17)
992
993	/** Trunk policy: Fixed if set, changable if clear.
994	* @remarks The DISABLED options are considered more restrictive by
995	* INTNET_OPEN_FLAGS_REQUIRE_AS_RESTRICTIVE_POLICIES. */
996	#define INTNET_OPEN_FLAGS_TRUNK_FIXED RT_BIT_32(18)
997	/** Trunk policy: The host end should be enabled. */
998	#define INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED RT_BIT_32(19)
999	/** Trunk policy: The host end should be disabled. */
1000	#define INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED RT_BIT_32(20)
1001	/** Trunk policy: The host should only see packets destined for it. */
1002	#define INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE RT_BIT_32(21)
1003	/** Trunk policy: The host should see all packets. */
1004	#define INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE RT_BIT_32(22)
1005	/** Trunk policy: The wire end should be enabled. */
1006	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED RT_BIT_32(23)
1007	/** Trunk policy: The wire end should be disabled. */
1008	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED RT_BIT_32(24)
1009	/** Trunk policy: The wire should only see packets destined for it. */
1010	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE RT_BIT_32(25)
1011	/** Trunk policy: The wire should see all packets. */
1012	#define INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE RT_BIT_32(26)
1013
1014	/** Used to enable host specific workarounds.
1015	*
1016	* On darwin this will clear ip_tos in DHCP packets when
1017	* INTNET_OPEN_FLAGS_SHARED_MAC_ON_WIRE is also set. */
1018	#define INTNET_OPEN_FLAGS_WORKAROUND_1 RT_BIT_32(31)
1019
1020
1021	/** The mask of valid flags. */
1022	#define INTNET_OPEN_FLAGS_MASK UINT32_C(0x83ffffff)
1023	/** The mask of all flags use to fix (lock) settings. */
1024	#define INTNET_OPEN_FLAGS_FIXED_MASK \
1025	( INTNET_OPEN_FLAGS_ACCESS_FIXED \
1026	\| INTNET_OPEN_FLAGS_PROMISC_FIXED \
1027	\| INTNET_OPEN_FLAGS_IF_FIXED \
1028	\| INTNET_OPEN_FLAGS_TRUNK_FIXED )
1029
1030	/** The mask of all policy pairs. */
1031	#define INTNET_OPEN_FLAGS_PAIR_MASK \
1032	( INTNET_OPEN_FLAGS_ACCESS_PUBLIC \| INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \
1033	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS \| INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \
1034	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST \| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \
1035	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE \| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \
1036	\| INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \| INTNET_OPEN_FLAGS_IF_PROMISC_DENY \
1037	\| INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK \| INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \
1038	\| INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \
1039	\| INTNET_OPEN_FLAGS_TRUNK_HOST_PROMISC_MODE \| INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \
1040	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \| INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \
1041	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \| INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \
1042	)
1043	/** The mask of all relaxed policy bits. */
1044	#define INTNET_OPEN_FLAGS_RELAXED_MASK \
1045	( INTNET_OPEN_FLAGS_ACCESS_PUBLIC \
1046	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_CLIENTS \
1047	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_HOST \
1048	\| INTNET_OPEN_FLAGS_PROMISC_ALLOW_TRUNK_WIRE \
1049	\| INTNET_OPEN_FLAGS_IF_PROMISC_ALLOW \
1050	\| INTNET_OPEN_FLAGS_IF_PROMISC_SEE_TRUNK \
1051	\| INTNET_OPEN_FLAGS_TRUNK_HOST_ENABLED \
1052	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \
1053	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_ENABLED \
1054	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_PROMISC_MODE \
1055	)
1056	/** The mask of all strict policy bits. */
1057	#define INTNET_OPEN_FLAGS_STRICT_MASK \
1058	( INTNET_OPEN_FLAGS_ACCESS_RESTRICTED \
1059	\| INTNET_OPEN_FLAGS_PROMISC_DENY_CLIENTS \
1060	\| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_HOST \
1061	\| INTNET_OPEN_FLAGS_PROMISC_DENY_TRUNK_WIRE \
1062	\| INTNET_OPEN_FLAGS_IF_PROMISC_DENY \
1063	\| INTNET_OPEN_FLAGS_IF_PROMISC_NO_TRUNK \
1064	\| INTNET_OPEN_FLAGS_TRUNK_HOST_DISABLED \
1065	\| INTNET_OPEN_FLAGS_TRUNK_HOST_CHASTE_MODE \
1066	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_DISABLED \
1067	\| INTNET_OPEN_FLAGS_TRUNK_WIRE_CHASTE_MODE \
1068	)
1069	/** @} */
1070
1071	/** The maximum length of a network name. */
1072	#define INTNET_MAX_NETWORK_NAME 128
1073
1074	/** The maximum length of a trunk name. */
1075	#define INTNET_MAX_TRUNK_NAME 64
1076
1077
1078	/**
1079	* Request buffer for IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN.
1080	* @see IntNetR0Open.
1081	*/
1082	typedef struct INTNETOPENREQ
1083	{
1084	/** The request header. */
1085	SUPVMMR0REQHDR Hdr;
1086	/** Alternative to passing the taking the session from the VM handle.
1087	* Either use this member or use the VM handle, don't do both. */
1088	PSUPDRVSESSION pSession;
1089	/** The network name. (input) */
1090	char szNetwork[INTNET_MAX_NETWORK_NAME];
1091	/** What to connect to the trunk port. (input)
1092	* This is specific to the trunk type below. */
1093	char szTrunk[INTNET_MAX_TRUNK_NAME];
1094	/** The type of trunk link (NAT, Filter, TAP, etc). (input) */
1095	INTNETTRUNKTYPE enmTrunkType;
1096	/** Flags, see INTNET_OPEN_FLAGS_. (input) /
1097	uint32_t fFlags;
1098	/** The size of the send buffer. (input) */
1099	uint32_t cbSend;
1100	/** The size of the receive buffer. (input) */
1101	uint32_t cbRecv;
1102	/** The handle to the network interface. (output) */
1103	INTNETIFHANDLE hIf;
1104	} INTNETOPENREQ;
1105	/** Pointer to an IntNetR0OpenReq / VMMR0_DO_INTNET_OPEN request buffer. */
1106	typedef INTNETOPENREQ *PINTNETOPENREQ;
1107
1108	INTNETR0DECL(int) IntNetR0OpenReq(PSUPDRVSESSION pSession, PINTNETOPENREQ pReq);
1109
1110
1111	/**
1112	* Request buffer for IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE.
1113	* @see IntNetR0IfClose.
1114	*/
1115	typedef struct INTNETIFCLOSEREQ
1116	{
1117	/** The request header. */
1118	SUPVMMR0REQHDR Hdr;
1119	/** Alternative to passing the taking the session from the VM handle.
1120	* Either use this member or use the VM handle, don't do both. */
1121	PSUPDRVSESSION pSession;
1122	/** The handle to the network interface. */
1123	INTNETIFHANDLE hIf;
1124	} INTNETIFCLOSEREQ;
1125	/** Pointer to an IntNetR0IfCloseReq / VMMR0_DO_INTNET_IF_CLOSE request
1126	* buffer. */
1127	typedef INTNETIFCLOSEREQ *PINTNETIFCLOSEREQ;
1128
1129	INTNETR0DECL(int) IntNetR0IfCloseReq(PSUPDRVSESSION pSession, PINTNETIFCLOSEREQ pReq);
1130
1131
1132	/**
1133	* Request buffer for IntNetR0IfGetRing3BufferReq /
1134	* VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS.
1135	* @see IntNetR0IfGetRing3Buffer.
1136	*/
1137	typedef struct INTNETIFGETBUFFERPTRSREQ
1138	{
1139	/** The request header. */
1140	SUPVMMR0REQHDR Hdr;
1141	/** Alternative to passing the taking the session from the VM handle.
1142	* Either use this member or use the VM handle, don't do both. */
1143	PSUPDRVSESSION pSession;
1144	/** Handle to the interface. */
1145	INTNETIFHANDLE hIf;
1146	/** The pointer to the ring-3 buffer. (output) */
1147	R3PTRTYPE(PINTNETBUF) pRing3Buf;
1148	/** The pointer to the ring-0 buffer. (output) */
1149	R0PTRTYPE(PINTNETBUF) pRing0Buf;
1150	} INTNETIFGETBUFFERPTRSREQ;
1151	/** Pointer to an IntNetR0IfGetRing3BufferReq /
1152	* VMMR0_DO_INTNET_IF_GET_BUFFER_PTRS request buffer. */
1153	typedef INTNETIFGETBUFFERPTRSREQ *PINTNETIFGETBUFFERPTRSREQ;
1154
1155	INTNETR0DECL(int) IntNetR0IfGetBufferPtrsReq(PSUPDRVSESSION pSession, PINTNETIFGETBUFFERPTRSREQ pReq);
1156
1157
1158	/**
1159	* Request buffer for IntNetR0IfSetPromiscuousModeReq /
1160	* VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE.
1161	* @see IntNetR0IfSetPromiscuousMode.
1162	*/
1163	typedef struct INTNETIFSETPROMISCUOUSMODEREQ
1164	{
1165	/** The request header. */
1166	SUPVMMR0REQHDR Hdr;
1167	/** Alternative to passing the taking the session from the VM handle.
1168	* Either use this member or use the VM handle, don't do both. */
1169	PSUPDRVSESSION pSession;
1170	/** Handle to the interface. */
1171	INTNETIFHANDLE hIf;
1172	/** The new promiscuous mode. */
1173	bool fPromiscuous;
1174	} INTNETIFSETPROMISCUOUSMODEREQ;
1175	/** Pointer to an IntNetR0IfSetPromiscuousModeReq /
1176	* VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE request buffer. */
1177	typedef INTNETIFSETPROMISCUOUSMODEREQ *PINTNETIFSETPROMISCUOUSMODEREQ;
1178
1179	INTNETR0DECL(int) IntNetR0IfSetPromiscuousModeReq(PSUPDRVSESSION pSession, PINTNETIFSETPROMISCUOUSMODEREQ pReq);
1180
1181
1182	/**
1183	* Request buffer for IntNetR0IfSetMacAddressReq /
1184	* VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS.
1185	* @see IntNetR0IfSetMacAddress.
1186	*/
1187	typedef struct INTNETIFSETMACADDRESSREQ
1188	{
1189	/** The request header. */
1190	SUPVMMR0REQHDR Hdr;
1191	/** Alternative to passing the taking the session from the VM handle.
1192	* Either use this member or use the VM handle, don't do both. */
1193	PSUPDRVSESSION pSession;
1194	/** Handle to the interface. */
1195	INTNETIFHANDLE hIf;
1196	/** The new MAC address. */
1197	RTMAC Mac;
1198	} INTNETIFSETMACADDRESSREQ;
1199	/** Pointer to an IntNetR0IfSetMacAddressReq /
1200	* VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS request buffer. */
1201	typedef INTNETIFSETMACADDRESSREQ *PINTNETIFSETMACADDRESSREQ;
1202
1203	INTNETR0DECL(int) IntNetR0IfSetMacAddressReq(PSUPDRVSESSION pSession, PINTNETIFSETMACADDRESSREQ pReq);
1204
1205
1206	/**
1207	* Request buffer for IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE.
1208	* @see IntNetR0IfSetActive.
1209	*/
1210	typedef struct INTNETIFSETACTIVEREQ
1211	{
1212	/** The request header. */
1213	SUPVMMR0REQHDR Hdr;
1214	/** Alternative to passing the taking the session from the VM handle.
1215	* Either use this member or use the VM handle, don't do both. */
1216	PSUPDRVSESSION pSession;
1217	/** Handle to the interface. */
1218	INTNETIFHANDLE hIf;
1219	/** The new state. */
1220	bool fActive;
1221	} INTNETIFSETACTIVEREQ;
1222	/** Pointer to an IntNetR0IfSetActiveReq / VMMR0_DO_INTNET_IF_SET_ACTIVE
1223	* request buffer. */
1224	typedef INTNETIFSETACTIVEREQ *PINTNETIFSETACTIVEREQ;
1225
1226	INTNETR0DECL(int) IntNetR0IfSetActiveReq(PSUPDRVSESSION pSession, PINTNETIFSETACTIVEREQ pReq);
1227
1228
1229	/**
1230	* Request buffer for IntNetR0IfSendReq / VMMR0_DO_INTNET_IF_SEND.
1231	* @see IntNetR0IfSend.
1232	*/
1233	typedef struct INTNETIFSENDREQ
1234	{
1235	/** The request header. */
1236	SUPVMMR0REQHDR Hdr;
1237	/** Alternative to passing the taking the session from the VM handle.
1238	* Either use this member or use the VM handle, don't do both. */
1239	PSUPDRVSESSION pSession;
1240	/** Handle to the interface. */
1241	INTNETIFHANDLE hIf;
1242	} INTNETIFSENDREQ;
1243	/** Pointer to an IntNetR0IfSend() argument package. */
1244	typedef INTNETIFSENDREQ *PINTNETIFSENDREQ;
1245
1246	INTNETR0DECL(int) IntNetR0IfSendReq(PSUPDRVSESSION pSession, PINTNETIFSENDREQ pReq);
1247
1248
1249	/**
1250	* Request buffer for IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT.
1251	* @see IntNetR0IfWait.
1252	*/
1253	typedef struct INTNETIFWAITREQ
1254	{
1255	/** The request header. */
1256	SUPVMMR0REQHDR Hdr;
1257	/** Alternative to passing the taking the session from the VM handle.
1258	* Either use this member or use the VM handle, don't do both. */
1259	PSUPDRVSESSION pSession;
1260	/** Handle to the interface. */
1261	INTNETIFHANDLE hIf;
1262	/** The number of milliseconds to wait. */
1263	uint32_t cMillies;
1264	} INTNETIFWAITREQ;
1265	/** Pointer to an IntNetR0IfWaitReq / VMMR0_DO_INTNET_IF_WAIT request buffer. */
1266	typedef INTNETIFWAITREQ *PINTNETIFWAITREQ;
1267
1268	INTNETR0DECL(int) IntNetR0IfWaitReq(PSUPDRVSESSION pSession, PINTNETIFWAITREQ pReq);
1269
1270
1271	/**
1272	* Request buffer for IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT.
1273	* @see IntNetR0IfAbortWait.
1274	*/
1275	typedef struct INTNETIFABORTWAITREQ
1276	{
1277	/** The request header. */
1278	SUPVMMR0REQHDR Hdr;
1279	/** Alternative to passing the taking the session from the VM handle.
1280	* Either use this member or use the VM handle, don't do both. */
1281	PSUPDRVSESSION pSession;
1282	/** Handle to the interface. */
1283	INTNETIFHANDLE hIf;
1284	/** Set this to fend off all future IntNetR0Wait calls. */
1285	bool fNoMoreWaits;
1286	} INTNETIFABORTWAITREQ;
1287	/** Pointer to an IntNetR0IfAbortWaitReq / VMMR0_DO_INTNET_IF_ABORT_WAIT
1288	* request buffer. */
1289	typedef INTNETIFABORTWAITREQ *PINTNETIFABORTWAITREQ;
1290
1291	INTNETR0DECL(int) IntNetR0IfAbortWaitReq(PSUPDRVSESSION pSession, PINTNETIFABORTWAITREQ pReq);
1292
1293
1294	#if defined(IN_RING0) \|\| defined(IN_INTNET_TESTCASE)
1295	/** @name
1296	* @{
1297	*/
1298
1299	INTNETR0DECL(int) IntNetR0Init(void);
1300	INTNETR0DECL(void) IntNetR0Term(void);
1301	INTNETR0DECL(int) IntNetR0Open(PSUPDRVSESSION pSession, const char *pszNetwork,
1302	INTNETTRUNKTYPE enmTrunkType, const char *pszTrunk, uint32_t fFlags,
1303	uint32_t cbSend, uint32_t cbRecv, PINTNETIFHANDLE phIf);
1304	INTNETR0DECL(uint32_t) IntNetR0GetNetworkCount(void);
1305
1306	INTNETR0DECL(int) IntNetR0IfClose(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1307	INTNETR0DECL(int) IntNetR0IfGetBufferPtrs(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession,
1308	R3PTRTYPE(PINTNETBUF) ppRing3Buf, R0PTRTYPE(PINTNETBUF) ppRing0Buf);
1309	INTNETR0DECL(int) IntNetR0IfSetPromiscuousMode(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fPromiscuous);
1310	INTNETR0DECL(int) IntNetR0IfSetMacAddress(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, PCRTMAC pMac);
1311	INTNETR0DECL(int) IntNetR0IfSetActive(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, bool fActive);
1312	INTNETR0DECL(int) IntNetR0IfSend(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1313	INTNETR0DECL(int) IntNetR0IfWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession, uint32_t cMillies);
1314	INTNETR0DECL(int) IntNetR0IfAbortWait(INTNETIFHANDLE hIf, PSUPDRVSESSION pSession);
1315
1316	/** @} */
1317	#endif /* IN_RING0 */
1318
1319	RT_C_DECLS_END
1320
1321	#endif /* !VBOX_INCLUDED_intnet_h */

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source: vbox/trunk/include/VBox/intnet.h@ 97046

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