tstIntNetR0.cpp@ 98103

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1	/* $Id: tstIntNetR0.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* Internal networking - Usermode testcase for the kernel mode bits.
4	*
5	* This is a bit hackish as we're mixing context here, however it is
6	* very useful when making changes to the internal networking service.
7	*/
8
9	/*
10	* Copyright (C) 2006-2023 Oracle and/or its affiliates.
11	*
12	* This file is part of VirtualBox base platform packages, as
13	* available from https://www.virtualbox.org.
14	*
15	* This program is free software; you can redistribute it and/or
16	* modify it under the terms of the GNU General Public License
17	* as published by the Free Software Foundation, in version 3 of the
18	* License.
19	*
20	* This program is distributed in the hope that it will be useful, but
21	* WITHOUT ANY WARRANTY; without even the implied warranty of
22	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23	* General Public License for more details.
24	*
25	* You should have received a copy of the GNU General Public License
26	* along with this program; if not, see <https://www.gnu.org/licenses>.
27	*
28	* SPDX-License-Identifier: GPL-3.0-only
29	*/
30
31
32	/*********************************************************************************************************************************
33	* Header Files *
34	*********************************************************************************************************************************/
35	#define IN_INTNET_TESTCASE
36	#define IN_INTNET_R3
37	#include <VBox/cdefs.h>
38	#undef INTNETR0DECL
39	#define INTNETR0DECL INTNETR3DECL
40	#undef DECLR0CALLBACKMEMBER
41	#define DECLR0CALLBACKMEMBER(type, name, args) DECLR3CALLBACKMEMBER(type, name, args)
42	#include <VBox/types.h>
43	typedef void *MYPSUPDRVSESSION;
44	#define PSUPDRVSESSION MYPSUPDRVSESSION
45
46	#include <VBox/intnet.h>
47	#include <VBox/sup.h>
48	#include <VBox/err.h>
49	#include <iprt/asm.h>
50	#include <iprt/getopt.h>
51	#include <iprt/initterm.h>
52	#include <iprt/mem.h>
53	#include <iprt/mp.h>
54	#include <iprt/stream.h>
55	#include <iprt/thread.h>
56	#include <iprt/time.h>
57	#include <iprt/test.h>
58
59
60	/*********************************************************************************************************************************
61	* Structures and Typedefs *
62	*********************************************************************************************************************************/
63	/**
64	* Security objectype.
65	*/
66	typedef enum SUPDRVOBJTYPE
67	{
68	/** The usual invalid object. */
69	SUPDRVOBJTYPE_INVALID = 0,
70	/** Internal network. */
71	SUPDRVOBJTYPE_INTERNAL_NETWORK,
72	/** Internal network interface. */
73	SUPDRVOBJTYPE_INTERNAL_NETWORK_INTERFACE,
74	/** The first invalid object type in this end. */
75	SUPDRVOBJTYPE_END,
76	/** The usual 32-bit type size hack. */
77	SUPDRVOBJTYPE_32_BIT_HACK = 0x7ffffff
78	} SUPDRVOBJTYPE;
79
80	/**
81	* Object destructor callback.
82	* This is called for reference counted objectes when the count reaches 0.
83	*
84	* @param pvObj The object pointer.
85	* @param pvUser1 The first user argument.
86	* @param pvUser2 The second user argument.
87	*/
88	typedef DECLCALLBACKTYPE(void, FNSUPDRVDESTRUCTOR,(void pvObj, void pvUser1, void *pvUser2));
89	/** Pointer to a FNSUPDRVDESTRUCTOR(). */
90	typedef FNSUPDRVDESTRUCTOR *PFNSUPDRVDESTRUCTOR;
91
92
93	/**
94	* Dummy
95	*/
96	typedef struct OBJREF
97	{
98	PFNSUPDRVDESTRUCTOR pfnDestructor;
99	void *pvUser1;
100	void *pvUser2;
101	uint32_t volatile cRefs;
102	} OBJREF, *POBJREF;
103
104
105	/*********************************************************************************************************************************
106	* Global Variables *
107	*********************************************************************************************************************************/
108	/** The test handle.*/
109	static RTTEST g_hTest = NIL_RTTEST;
110	/** The size (in bytes) of the large transfer tests. */
111	static uint32_t g_cbTransfer = _1M * 384;
112	/** Fake session handle. */
113	const PSUPDRVSESSION g_pSession = (PSUPDRVSESSION)(uintptr_t)0xdeadface;
114
115
116	INTNETR3DECL(void *) SUPR0ObjRegister(PSUPDRVSESSION pSession, SUPDRVOBJTYPE enmType,
117	PFNSUPDRVDESTRUCTOR pfnDestructor, void pvUser1, void pvUser2)
118	{
119	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, NULL);
120	POBJREF pRef = (POBJREF)RTTestGuardedAllocTail(g_hTest, sizeof(OBJREF));
121	if (!pRef)
122	return NULL;
123	pRef->cRefs = 1;
124	pRef->pfnDestructor = pfnDestructor;
125	pRef->pvUser1 = pvUser1;
126	pRef->pvUser2 = pvUser2;
127	NOREF(enmType);
128	return pRef;
129	}
130
131	INTNETR3DECL(int) SUPR0ObjAddRefEx(void *pvObj, PSUPDRVSESSION pSession, bool fNoBlocking)
132	{
133	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
134	POBJREF pRef = (POBJREF)pvObj;
135	ASMAtomicIncU32(&pRef->cRefs);
136	NOREF(fNoBlocking);
137	return VINF_SUCCESS;
138	}
139
140	INTNETR3DECL(int) SUPR0ObjAddRef(void *pvObj, PSUPDRVSESSION pSession)
141	{
142	return SUPR0ObjAddRefEx(pvObj, pSession, false);
143	}
144
145	INTNETR3DECL(int) SUPR0ObjRelease(void *pvObj, PSUPDRVSESSION pSession)
146	{
147	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
148	POBJREF pRef = (POBJREF)pvObj;
149	if (!ASMAtomicDecU32(&pRef->cRefs))
150	{
151	pRef->pfnDestructor(pRef, pRef->pvUser1, pRef->pvUser2);
152	RTTestGuardedFree(g_hTest, pRef);
153	return VINF_OBJECT_DESTROYED;
154	}
155	return VINF_SUCCESS;
156	}
157
158	INTNETR3DECL(int) SUPR0ObjVerifyAccess(void pvObj, PSUPDRVSESSION pSession, const char pszObjName)
159	{
160	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
161	NOREF(pvObj); NOREF(pszObjName);
162	return VINF_SUCCESS;
163	}
164
165	INTNETR3DECL(int) SUPR0MemAlloc(PSUPDRVSESSION pSession, uint32_t cb, PRTR0PTR ppvR0, PRTR3PTR ppvR3)
166	{
167	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
168	void *pv = RTTestGuardedAllocTail(g_hTest, cb);
169	if (!pv)
170	return VERR_NO_MEMORY;
171	*ppvR0 = (RTR0PTR)pv;
172	if (ppvR3)
173	*ppvR3 = pv;
174	return VINF_SUCCESS;
175	}
176
177	INTNETR3DECL(int) SUPR0MemFree(PSUPDRVSESSION pSession, RTHCUINTPTR uPtr)
178	{
179	RTTEST_CHECK_RET(g_hTest, pSession == g_pSession, VERR_INVALID_PARAMETER);
180	RTTestGuardedFree(g_hTest, (void *)uPtr);
181	return VINF_SUCCESS;
182	}
183
184	/* Fake non-existing ring-0 APIs. */
185	#define RTThreadIsInInterrupt(hThread) false
186	#define RTThreadPreemptIsEnabled(hThread) true
187	#define RTMpCpuId() 0
188
189	/* No CLI/POPF, please. */
190	#include <iprt/spinlock.h>
191	#undef RTSPINLOCK_FLAGS_INTERRUPT_SAFE
192	#define RTSPINLOCK_FLAGS_INTERRUPT_SAFE RTSPINLOCK_FLAGS_INTERRUPT_UNSAFE
193
194
195	/* ugly but necessary for making R0 code compilable for R3. */
196	#undef LOG_GROUP
197	#include "../SrvIntNetR0.cpp"
198
199
200	/**
201	* Sends the data @a pvBuf points to.
202	*/
203	static int tstIntNetSendBuf(PINTNETRINGBUF pRingBuf, INTNETIFHANDLE hIf,
204	PSUPDRVSESSION pSession, void const *pvBuf, size_t cbBuf)
205	{
206	INTNETSG Sg;
207	IntNetSgInitTemp(&Sg, (void *)pvBuf, (uint32_t)cbBuf);
208	int rc = intnetR0RingWriteFrame(pRingBuf, &Sg, NULL);
209	if (RT_SUCCESS(rc))
210	rc = IntNetR0IfSend(hIf, pSession);
211	return rc;
212	}
213
214
215	typedef struct MYARGS
216	{
217	PINTNETBUF pBuf;
218	INTNETIFHANDLE hIf;
219	RTMAC Mac;
220	uint32_t cbFrame;
221	uint64_t u64Start;
222	uint64_t u64End;
223	uint32_t cbSent;
224	uint32_t cFramesSent;
225	} MYARGS, *PMYARGS;
226
227
228	/**
229	* Frame header used when testing.
230	*/
231	#pragma pack(1)
232	typedef struct MYFRAMEHDR
233	{
234	RTMAC SrcMac;
235	RTMAC DstMac;
236	uint32_t iFrame;
237	uint32_t auEos[3];
238	} MYFRAMEHDR;
239	#pragma pack()
240
241	/**
242	* Send thread.
243	* This is constantly sending frames to the other interface.
244	*/
245	static DECLCALLBACK(int) SendThread(RTTHREAD hThreadSelf, void *pvArg)
246	{
247	PMYARGS pArgs = (PMYARGS)pvArg;
248	int rc;
249	NOREF(hThreadSelf);
250
251	/*
252	* Send g_cbTransfer of data.
253	*/
254	uint8_t abBuf[16384] = {0};
255	MYFRAMEHDR pHdr = (MYFRAMEHDR )&abBuf[0];
256	uint32_t iFrame = 0;
257	uint32_t cbSent = 0;
258	uint32_t cErrors = 0;
259
260	pHdr->SrcMac = pArgs->Mac;
261	pHdr->DstMac = pArgs->Mac;
262	pHdr->DstMac.au16[2] = (pArgs->Mac.au16[2] + 1) % 2;
263
264	pArgs->u64Start = RTTimeNanoTS();
265	for (; cbSent < g_cbTransfer; iFrame++)
266	{
267	const unsigned cb = pArgs->cbFrame
268	? pArgs->cbFrame
269	: iFrame % 1519 + sizeof(RTMAC) * 2 + sizeof(unsigned);
270	pHdr->iFrame = iFrame;
271
272	INTNETSG Sg;
273	IntNetSgInitTemp(&Sg, abBuf, cb);
274	RTTEST_CHECK_RC_OK(g_hTest, rc = intnetR0RingWriteFrame(&pArgs->pBuf->Send, &Sg, NULL));
275	if (RT_SUCCESS(rc))
276	RTTEST_CHECK_RC_OK(g_hTest, rc = IntNetR0IfSend(pArgs->hIf, g_pSession));
277	if (RT_FAILURE(rc) && ++cErrors > 64)
278	{
279	RTTestFailed(g_hTest, "Aborting xmit after >64 errors");
280	break;
281	}
282
283	cbSent += cb;
284	}
285	pArgs->cbSent = cbSent;
286	pArgs->cFramesSent = iFrame;
287
288	/*
289	* Termination frames.
290	*/
291	pHdr->iFrame = 0xffffdead;
292	pHdr->auEos[0] = 0xffffdead;
293	pHdr->auEos[1] = 0xffffdead;
294	pHdr->auEos[2] = 0xffffdead;
295	for (unsigned c = 0; c < 20; c++)
296	{
297	RTTEST_CHECK_RC_OK(g_hTest, rc = tstIntNetSendBuf(&pArgs->pBuf->Send, pArgs->hIf, g_pSession,
298	abBuf, sizeof(RTMAC) * 2 + sizeof(unsigned) * 4));
299	RTThreadSleep(1);
300	}
301
302	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
303	"sender thread %.6Rhxs terminating.\n"
304	"iFrame=%u cb=%'u\n",
305	&pArgs->Mac, iFrame, cbSent);
306	return 0;
307	}
308
309
310	/** Ignore lost frames. It only makes things worse to bitch about it. */
311	#define IGNORE_LOST_FRAMES
312
313	/**
314	* Receive thread.
315	* This is reading stuff from the network.
316	*/
317	static DECLCALLBACK(int) ReceiveThread(RTTHREAD hThreadSelf, void *pvArg)
318	{
319	uint32_t cbReceived = 0;
320	uint32_t cLostFrames = 0;
321	uint32_t iFrame = UINT32_MAX;
322	PMYARGS pArgs = (PMYARGS)pvArg;
323	NOREF(hThreadSelf);
324
325	for (;;)
326	{
327	/*
328	* Read data.
329	*/
330	while (IntNetRingHasMoreToRead(&pArgs->pBuf->Recv))
331	{
332	uint8_t abBuf[16384 + 1024];
333	MYFRAMEHDR pHdr = (MYFRAMEHDR )&abBuf[0];
334	uint32_t cb = IntNetRingReadAndSkipFrame(&pArgs->pBuf->Recv, abBuf);
335
336	/* check for termination frame. */
337	if ( pHdr->iFrame == 0xffffdead
338	&& pHdr->auEos[0] == 0xffffdead
339	&& pHdr->auEos[1] == 0xffffdead
340	&& pHdr->auEos[2] == 0xffffdead)
341	{
342	pArgs->u64End = RTTimeNanoTS();
343	RTThreadSleep(10);
344	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
345	"receiver thread %.6Rhxs terminating.\n"
346	" iFrame=%u cb=%'u c=%'u %'uKB/s %'ufps cLost=%'u \n",
347	&pArgs->Mac, iFrame, cbReceived, iFrame - cLostFrames,
348	(unsigned)((double)cbReceived * 1000000000.0 / 1024 / (double)(pArgs->u64End - pArgs->u64Start)),
349	(unsigned)((double)(iFrame - cLostFrames) * 1000000000.0 / (double)(pArgs->u64End - pArgs->u64Start)),
350	cLostFrames);
351	return VINF_SUCCESS;
352	}
353
354	/* validate frame header */
355	if ( pHdr->DstMac.au16[0] != pArgs->Mac.au16[0]
356	\|\| pHdr->DstMac.au16[1] != pArgs->Mac.au16[1]
357	\|\| pHdr->DstMac.au16[2] != pArgs->Mac.au16[2]
358	\|\| pHdr->SrcMac.au16[0] != pArgs->Mac.au16[0]
359	\|\| pHdr->SrcMac.au16[1] != pArgs->Mac.au16[1]
360	\|\| pHdr->SrcMac.au16[2] != (pArgs->Mac.au16[2] + 1) % 2)
361	{
362	RTTestFailed(g_hTest, "receiver thread %.6Rhxs received frame header: %.16Rhxs\n", &pArgs->Mac, abBuf);
363	}
364
365	/* frame stuff and stats. */
366	int32_t off = pHdr->iFrame - (iFrame + 1);
367	if (off)
368	{
369	if (off > 0)
370	{
371	#ifndef IGNORE_LOST_FRAMES
372	RTTestFailed(g_hTest, "receiver thread %.6Rhxs: iFrame=%#x *puFrame=%#x off=%d\n",
373	&pArgs->Mac, iFrame, pHdr->iFrame, off);
374	#endif
375	cLostFrames += off;
376	}
377	else
378	{
379	cLostFrames++;
380	RTTestFailed(g_hTest, "receiver thread %.6Rhxs: iFrame=%#x *puFrame=%#x off=%d\n",
381	&pArgs->Mac, iFrame, pHdr->iFrame, off);
382	}
383	}
384	iFrame = pHdr->iFrame;
385	cbReceived += cb;
386	}
387
388	/*
389	* Wait for data.
390	*/
391	int rc = IntNetR0IfWait(pArgs->hIf, g_pSession, RT_INDEFINITE_WAIT);
392	switch (rc)
393	{
394	case VERR_INTERRUPTED:
395	case VINF_SUCCESS:
396	break;
397	case VERR_SEM_DESTROYED:
398	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
399	"receiver thread %.6Rhxs terminating. iFrame=%u cb=%'u c=%'u cLost=%'u\n",
400	&pArgs->Mac, iFrame, cbReceived, iFrame - cLostFrames, cLostFrames);
401	return VINF_SUCCESS;
402
403	default:
404	RTTestFailed(g_hTest, "receiver thread %.6Rhxs got odd return value %Rrc! iFrame=%u cb=%'u c=%'u cLost=%'u\n",
405	&pArgs->Mac, rc, iFrame, cbReceived, iFrame - cLostFrames, cLostFrames);
406	return rc;
407	}
408
409	}
410	}
411
412
413	/**
414	* Drains the interface buffer before starting a new bi-directional run.
415	*
416	* We may have termination frames from previous runs pending in the buffer.
417	*/
418	static void tstDrainInterfaceBuffer(PMYARGS pArgs)
419	{
420	uint8_t abBuf[16384 + 1024];
421	while (IntNetRingHasMoreToRead(&pArgs->pBuf->Recv))
422	IntNetRingReadAndSkipFrame(&pArgs->pBuf->Recv, abBuf);
423	}
424
425
426	/**
427	* Test state.
428	*/
429	typedef struct TSTSTATE
430	{
431	PINTNETBUF pBuf0;
432	INTNETIFHANDLE hIf0;
433
434	PINTNETBUF pBuf1;
435	INTNETIFHANDLE hIf1;
436	} TSTSTATE;
437	typedef TSTSTATE *PTSTSTATE;
438
439
440	/**
441	* Open two internal network interfaces.
442	*
443	* @returns IPRT status of the first failure.
444	* @param pThis The test instance.
445	*/
446	static int tstOpenInterfaces(PTSTSTATE pThis, const char *pszNetwork, uint32_t cbSend, uint32_t cbRecv)
447	{
448	pThis->hIf0 = INTNET_HANDLE_INVALID;
449	RTTESTI_CHECK_RC_OK_RET(IntNetR0Open(g_pSession, pszNetwork, kIntNetTrunkType_None, "", 0/fFlags/, cbSend, cbRecv,
450	NULL /pfnRecvAvail/, NULL /pvUser/, &pThis->hIf0), rcCheck);
451	RTTESTI_CHECK_RET(pThis->hIf0 != INTNET_HANDLE_INVALID, VERR_INTERNAL_ERROR);
452	RTTESTI_CHECK_RC_RET(IntNetR0IfGetBufferPtrs(pThis->hIf0, g_pSession, &pThis->pBuf0, NULL), VINF_SUCCESS, rcCheck);
453	RTTESTI_CHECK_RET(pThis->pBuf0, VERR_INTERNAL_ERROR);
454
455
456	pThis->hIf1 = INTNET_HANDLE_INVALID;
457	RTTESTI_CHECK_RC_OK_RET(IntNetR0Open(g_pSession, pszNetwork, kIntNetTrunkType_None, "", 0/fFlags/, cbSend, cbRecv,
458	NULL /pfnRecvAvail/, NULL /pvUser/, &pThis->hIf1), rcCheck);
459	RTTESTI_CHECK_RET(pThis->hIf1 != INTNET_HANDLE_INVALID, VERR_INTERNAL_ERROR);
460	RTTESTI_CHECK_RC_RET(IntNetR0IfGetBufferPtrs(pThis->hIf1, g_pSession, &pThis->pBuf1, NULL), VINF_SUCCESS, rcCheck);
461	RTTESTI_CHECK_RET(pThis->pBuf1, VERR_INTERNAL_ERROR);
462
463	return VINF_SUCCESS;
464	}
465
466	/**
467	* Close the interfaces.
468	*
469	* @param pThis The test instance.
470	*/
471	static void tstCloseInterfaces(PTSTSTATE pThis)
472	{
473	int rc;
474	RTTESTI_CHECK_RC_OK(rc = IntNetR0IfClose(pThis->hIf0, g_pSession));
475	if (RT_SUCCESS(rc))
476	{
477	pThis->hIf0 = INTNET_HANDLE_INVALID;
478	pThis->pBuf0 = NULL;
479	}
480
481	RTTESTI_CHECK_RC_OK(rc = IntNetR0IfClose(pThis->hIf1, g_pSession));
482	if (RT_SUCCESS(rc))
483	{
484	pThis->hIf1 = INTNET_HANDLE_INVALID;
485	pThis->pBuf1 = NULL;
486	}
487
488	/* The network should be dead now. */
489	RTTESTI_CHECK(IntNetR0GetNetworkCount() == 0);
490	}
491
492	/**
493	* Do the bi-directional transfer test.
494	*/
495	static void tstBidirectionalTransfer(PTSTSTATE pThis, uint32_t cbFrame)
496	{
497	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS, "-------------------------------------------------------------\n");
498
499	/*
500	* Reset statistics.
501	*/
502	pThis->pBuf0->cStatYieldsOk.c = 0;
503	pThis->pBuf0->cStatYieldsNok.c = 0;
504	pThis->pBuf0->cStatLost.c = 0;
505	pThis->pBuf0->cStatBadFrames.c = 0;
506	pThis->pBuf0->Recv.cStatFrames.c = 0;
507	pThis->pBuf0->Recv.cbStatWritten.c = 0;
508	pThis->pBuf0->Recv.cOverflows.c = 0;
509	pThis->pBuf0->Send.cStatFrames.c = 0;
510	pThis->pBuf0->Send.cbStatWritten.c = 0;
511	pThis->pBuf0->Send.cOverflows.c = 0;
512	pThis->pBuf1->cStatYieldsOk.c = 0;
513	pThis->pBuf1->cStatYieldsNok.c = 0;
514	pThis->pBuf1->cStatLost.c = 0;
515	pThis->pBuf1->cStatBadFrames.c = 0;
516	pThis->pBuf1->Recv.cStatFrames.c = 0;
517	pThis->pBuf1->Recv.cbStatWritten.c = 0;
518	pThis->pBuf1->Recv.cOverflows.c = 0;
519	pThis->pBuf1->Send.cStatFrames.c = 0;
520	pThis->pBuf1->Send.cbStatWritten.c = 0;
521	pThis->pBuf1->Send.cOverflows.c = 0;
522
523	/*
524	* Do the benchmarking.
525	*/
526	MYARGS Args0;
527	RT_ZERO(Args0);
528	Args0.hIf = pThis->hIf0;
529	Args0.pBuf = pThis->pBuf0;
530	Args0.Mac.au16[0] = 0x8086;
531	Args0.Mac.au16[1] = 0;
532	Args0.Mac.au16[2] = 0;
533	Args0.cbFrame = cbFrame;
534	tstDrainInterfaceBuffer(&Args0);
535	//RTTESTI_CHECK_RC_OK(IntNetR0IfSetMacAddress(pThis->hIf0, g_pSession, &Args0.Mac));
536
537	MYARGS Args1;
538	RT_ZERO(Args1);
539	Args1.hIf = pThis->hIf1;
540	Args1.pBuf = pThis->pBuf1;
541	Args1.Mac.au16[0] = 0x8086;
542	Args1.Mac.au16[1] = 0;
543	Args1.Mac.au16[2] = 1;
544	Args1.cbFrame = cbFrame;
545	tstDrainInterfaceBuffer(&Args1);
546	//RTTESTI_CHECK_RC_OK(IntNetR0IfSetMacAddress(pThis->hIf1, g_pSession, &Args1.Mac));
547
548	RTTHREAD ThreadRecv0 = NIL_RTTHREAD;
549	RTTHREAD ThreadRecv1 = NIL_RTTHREAD;
550	RTTHREAD ThreadSend0 = NIL_RTTHREAD;
551	RTTHREAD ThreadSend1 = NIL_RTTHREAD;
552	RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadRecv0, ReceiveThread, &Args0, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "RECV0"));
553	RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadRecv1, ReceiveThread, &Args1, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "RECV1"));
554	RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadSend0, SendThread, &Args0, 0, RTTHREADTYPE_EMULATION, RTTHREADFLAGS_WAITABLE, "SEND0"));
555	RTTESTI_CHECK_RC_OK_RETV(RTThreadCreate(&ThreadSend1, SendThread, &Args1, 0, RTTHREADTYPE_EMULATION, RTTHREADFLAGS_WAITABLE, "SEND1"));
556
557	int rc2 = VINF_SUCCESS;
558	int rc;
559	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadSend0, RT_MS_5MIN, &rc2));
560	if (RT_SUCCESS(rc))
561	{
562	RTTESTI_CHECK_RC_OK(rc2);
563	ThreadSend0 = NIL_RTTHREAD;
564	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadSend1, RT_MS_5MIN, RT_SUCCESS(rc2) ? &rc2 : NULL));
565	if (RT_SUCCESS(rc))
566	{
567	ThreadSend1 = NIL_RTTHREAD;
568	RTTESTI_CHECK_RC_OK(rc2);
569	}
570	}
571	if (RTTestErrorCount(g_hTest) == 0)
572	{
573	/*
574	* Wait a bit for the receivers to finish up.
575	*/
576	unsigned cYields = 100000;
577	while ( ( IntNetRingHasMoreToRead(&pThis->pBuf0->Recv)
578	\|\| IntNetRingHasMoreToRead(&pThis->pBuf1->Recv))
579	&& cYields-- > 0)
580	RTThreadYield();
581
582	/*
583	* Wait for the threads to finish up...
584	*/
585	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadRecv0, RT_MS_5SEC, &rc2));
586	if (RT_SUCCESS(rc))
587	{
588	RTTESTI_CHECK_RC_OK(rc2);
589	ThreadRecv0 = NIL_RTTHREAD;
590	}
591
592	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(ThreadRecv1, RT_MS_5MIN, &rc2));
593	if (RT_SUCCESS(rc))
594	{
595	RTTESTI_CHECK_RC_OK(rc2);
596	ThreadRecv1 = NIL_RTTHREAD;
597	}
598
599	/*
600	* Report the results.
601	*/
602	uint64_t cNsElapsed = RT_MAX(Args0.u64End, Args1.u64End) - RT_MIN(Args0.u64Start, Args1.u64Start);
603	uint64_t cbSent = (uint64_t)Args0.cbSent + Args1.cbSent;
604	uint64_t cKbps = (uint64_t)((double)(cbSent / 1024) / ((double)cNsElapsed / 1000000000.0));
605	uint64_t cFrames = (uint64_t)Args0.cFramesSent + Args1.cFramesSent;
606	uint64_t cFps = (uint64_t)((double)cFrames / ((double)cNsElapsed / 1000000000.0));
607	RTTestValue(g_hTest, "frame size", cbFrame, RTTESTUNIT_BYTES);
608	RTTestValue(g_hTest, "xmit time", cNsElapsed, RTTESTUNIT_NS);
609	RTTestValue(g_hTest, "bytes sent", cbSent, RTTESTUNIT_BYTES);
610	RTTestValue(g_hTest, "speed", cKbps, RTTESTUNIT_KILOBYTES_PER_SEC);
611	RTTestValue(g_hTest, "frames sent", cFrames, RTTESTUNIT_FRAMES);
612	RTTestValue(g_hTest, "fps", cFps, RTTESTUNIT_FRAMES_PER_SEC);
613	RTTestValue(g_hTest, "overflows",
614	pThis->pBuf0->Send.cOverflows.c + pThis->pBuf1->Send.cOverflows.c, RTTESTUNIT_OCCURRENCES);
615
616	}
617
618	/*
619	* Give them a chance to complete...
620	*/
621	RTThreadWait(ThreadRecv0, RT_MS_5MIN, NULL);
622	RTThreadWait(ThreadRecv1, RT_MS_5MIN, NULL);
623	RTThreadWait(ThreadSend0, RT_MS_5MIN, NULL);
624	RTThreadWait(ThreadSend1, RT_MS_5MIN, NULL);
625
626
627	/*
628	* Display statistics.
629	*/
630	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
631	"Buf0: Yields-OK=%llu Yields-NOK=%llu Lost=%llu Bad=%llu\n",
632	pThis->pBuf0->cStatYieldsOk.c,
633	pThis->pBuf0->cStatYieldsNok.c,
634	pThis->pBuf0->cStatLost.c,
635	pThis->pBuf0->cStatBadFrames.c);
636	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
637	"Buf0.Recv: Frames=%llu Bytes=%llu Overflows=%llu\n",
638	pThis->pBuf0->Recv.cStatFrames.c,
639	pThis->pBuf0->Recv.cbStatWritten.c,
640	pThis->pBuf0->Recv.cOverflows.c);
641	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
642	"Buf0.Send: Frames=%llu Bytes=%llu Overflows=%llu\n",
643	pThis->pBuf0->Send.cStatFrames.c,
644	pThis->pBuf0->Send.cbStatWritten.c,
645	pThis->pBuf0->Send.cOverflows.c);
646
647	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
648	"Buf1: Yields-OK=%llu Yields-NOK=%llu Lost=%llu Bad=%llu\n",
649	pThis->pBuf1->cStatYieldsOk.c,
650	pThis->pBuf1->cStatYieldsNok.c,
651	pThis->pBuf1->cStatLost.c,
652	pThis->pBuf1->cStatBadFrames.c);
653	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
654	"Buf1.Recv: Frames=%llu Bytes=%llu Overflows=%llu\n",
655	pThis->pBuf1->Recv.cStatFrames.c,
656	pThis->pBuf1->Recv.cbStatWritten.c,
657	pThis->pBuf1->Recv.cOverflows.c);
658	RTTestPrintf(g_hTest, RTTESTLVL_ALWAYS,
659	"Buf1.Send: Frames=%llu Bytes=%llu Overflows=%llu\n",
660	pThis->pBuf1->Send.cStatFrames.c,
661	pThis->pBuf1->Send.cbStatWritten.c,
662	pThis->pBuf1->Send.cOverflows.c);
663
664	}
665
666	/**
667	* Performs a simple broadcast test.
668	*
669	* @param pThis The test instance.
670	* @param fHeadGuard Whether to use a head or tail guard.
671	*/
672	static void doBroadcastTest(PTSTSTATE pThis, bool fHeadGuard)
673	{
674	static uint16_t const s_au16Frame[7] = { /* dst:/ 0xffff, 0xffff, 0xffff, /src:*/0x8086, 0, 0, 0x0800 };
675
676	RTTESTI_CHECK_RC_RETV(tstIntNetSendBuf(&pThis->pBuf0->Send, pThis->hIf0,
677	g_pSession, &s_au16Frame, sizeof(s_au16Frame)),
678	VINF_SUCCESS);
679
680	/* No echo, please */
681	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VERR_TIMEOUT);
682
683	/* The other interface should see it though. But Wait should only return once, thank you. */
684	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VINF_SUCCESS);
685	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 0), VERR_TIMEOUT);
686
687	/* Receive the data. */
688	const unsigned cbExpect = RT_ALIGN(sizeof(s_au16Frame) + sizeof(INTNETHDR), sizeof(INTNETHDR));
689	RTTESTI_CHECK_MSG(IntNetRingGetReadable(&pThis->pBuf1->Recv) == cbExpect,
690	("%#x vs. %#x\n", IntNetRingGetReadable(&pThis->pBuf1->Recv), cbExpect));
691
692	void *pvBuf;
693	RTTESTI_CHECK_RC_OK_RETV(RTTestGuardedAlloc(g_hTest, sizeof(s_au16Frame), 1, fHeadGuard, &pvBuf));
694	uint32_t cb;
695	RTTESTI_CHECK_MSG_RETV((cb = IntNetRingReadAndSkipFrame(&pThis->pBuf1->Recv, pvBuf)) == sizeof(s_au16Frame),
696	("%#x vs. %#x\n", cb, sizeof(s_au16Frame)));
697
698	if (memcmp(pvBuf, &s_au16Frame, sizeof(s_au16Frame)))
699	RTTestIFailed("Got invalid data!\n"
700	"received: %.*Rhxs\n"
701	"expected: %.*Rhxs\n",
702	cb, pvBuf, sizeof(s_au16Frame), &s_au16Frame);
703	}
704
705	/**
706	* Performs a simple unicast test.
707	*
708	* @param pThis The test instance.
709	* @param fHeadGuard Whether to use a head or tail guard.
710	*/
711	static void doUnicastTest(PTSTSTATE pThis, bool fHeadGuard)
712	{
713	static uint16_t const s_au16Frame[7] = { /* dst:/ 0x8086, 0, 0, /src:*/0x8086, 0, 1, 0x0800 };
714
715	RTTESTI_CHECK_RC_RETV(tstIntNetSendBuf(&pThis->pBuf1->Send, pThis->hIf1,
716	g_pSession, s_au16Frame, sizeof(s_au16Frame)),
717	VINF_SUCCESS);
718
719	/* No echo, please */
720	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VERR_TIMEOUT);
721
722	/* The other interface should see it though. But Wait should only return once, thank you. */
723	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VINF_SUCCESS);
724	RTTESTI_CHECK_RC_RETV(IntNetR0IfWait(pThis->hIf0, g_pSession, 0), VERR_TIMEOUT);
725
726	/* Receive the data. */
727	const unsigned cbExpect = RT_ALIGN(sizeof(s_au16Frame) + sizeof(INTNETHDR), sizeof(INTNETHDR));
728	RTTESTI_CHECK_MSG(IntNetRingGetReadable(&pThis->pBuf0->Recv) == cbExpect,
729	("%#x vs. %#x\n", IntNetRingGetReadable(&pThis->pBuf0->Recv), cbExpect));
730
731	void *pvBuf;
732	RTTESTI_CHECK_RC_OK_RETV(RTTestGuardedAlloc(g_hTest, sizeof(s_au16Frame), 1, fHeadGuard, &pvBuf));
733	uint32_t cb;
734	RTTESTI_CHECK_MSG_RETV((cb = IntNetRingReadAndSkipFrame(&pThis->pBuf0->Recv, pvBuf)) == sizeof(s_au16Frame),
735	("%#x vs. %#x\n", cb, sizeof(s_au16Frame)));
736
737	if (memcmp(pvBuf, &s_au16Frame, sizeof(s_au16Frame)))
738	RTTestIFailed("Got invalid data!\n"
739	"received: %.*Rhxs\n"
740	"expected: %.*Rhxs\n",
741	cb, pvBuf, sizeof(s_au16Frame), s_au16Frame);
742	}
743
744	static void doTest(PTSTSTATE pThis, uint32_t cbRecv, uint32_t cbSend)
745	{
746
747	/*
748	* Create an INTNET instance.
749	*/
750	RTTestISub("IntNetR0Init");
751	RTTESTI_CHECK_RC_RETV(IntNetR0Init(), VINF_SUCCESS);
752
753	/*
754	* Create two interfaces and activate them.
755	*/
756	RTTestISub("Network creation");
757	int rc = tstOpenInterfaces(pThis, "test", cbSend, cbRecv);
758	if (RT_FAILURE(rc))
759	return;
760	RTTESTI_CHECK_RC(IntNetR0IfSetActive(pThis->hIf0, g_pSession, true), VINF_SUCCESS);
761	RTTESTI_CHECK_RC(IntNetR0IfSetActive(pThis->hIf1, g_pSession, true), VINF_SUCCESS);
762
763	/*
764	* Test basic waiting.
765	*/
766	RTTestISub("IntNetR0IfWait");
767	RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf0, g_pSession, 1), VERR_TIMEOUT);
768	RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf0, g_pSession, 0), VERR_TIMEOUT);
769	RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf1, g_pSession, 1), VERR_TIMEOUT);
770	RTTESTI_CHECK_RC(IntNetR0IfWait(pThis->hIf1, g_pSession, 0), VERR_TIMEOUT);
771
772	/*
773	* Broadcast send and receive.
774	* (This establishes the MAC address of the 1st interface.)
775	*/
776	RTTestISub("Broadcast");
777	doBroadcastTest(pThis, false /fHeadGuard/);
778	doBroadcastTest(pThis, true /fHeadGuard/);
779
780	/*
781	* Unicast send and receive.
782	* (This establishes the MAC address of the 2nd interface.)
783	*/
784	RTTestISub("Unicast");
785	doUnicastTest(pThis, false /fHeadGuard/);
786	doUnicastTest(pThis, true /fHeadGuard/);
787
788	/*
789	* Do the big bi-directional transfer test if the basics worked out.
790	*/
791	if (!RTTestIErrorCount())
792	{
793	RTTestISubF("bi-dir benchmark, xbuf=%u rbuf=%u xfer=%u",
794	pThis->pBuf0->cbSend, pThis->pBuf0->cbRecv, g_cbTransfer);
795	tstBidirectionalTransfer(pThis, 256);
796
797	/* Only doing up to half the xmit buffer size as it is easy to get into a
798	bad frame position from a previous run and run into overflow issues. */
799	/** @todo fix the code so it skips to a more optimal buffer position? */
800	for (uint32_t cbFrame = 64; cbFrame < cbSend / 2 - 64; cbFrame += 16)
801	{
802	RTTestISubF("bi-dir benchmark, xbuf=%u rbuf=%u xmit=%u frm=%u",
803	pThis->pBuf0->cbSend, pThis->pBuf0->cbRecv, g_cbTransfer, cbFrame);
804	tstBidirectionalTransfer(pThis, cbFrame);
805	}
806	}
807
808	/*
809	* Destroy the service.
810	*/
811	tstCloseInterfaces(pThis);
812	IntNetR0Term();
813	}
814
815
816	int main(int argc, char **argv)
817	{
818	int rc = RTTestInitAndCreate("tstIntNetR0", &g_hTest);
819	if (rc)
820	return rc;
821
822	/*
823	* Parse the arguments.
824	*/
825	static RTGETOPTDEF const s_aOptions[] =
826	{
827	{ "--recv-buffer", 'r', RTGETOPT_REQ_UINT32 },
828	{ "--send-buffer", 's', RTGETOPT_REQ_UINT32 },
829	{ "--transfer-size", 'l', RTGETOPT_REQ_UINT32 },
830	};
831
832	uint32_t cbSend = 1536*2 + 4;
833	uint32_t cbRecv = 0x8000;
834
835	int ch;
836	RTGETOPTUNION Value;
837	RTGETOPTSTATE GetState;
838	RTGetOptInit(&GetState, argc, argv, s_aOptions, RT_ELEMENTS(s_aOptions), 1, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
839	while ((ch = RTGetOpt(&GetState, &Value)))
840	switch (ch)
841	{
842	case 'l':
843	g_cbTransfer = Value.u32;
844	break;
845
846	case 'r':
847	cbRecv = Value.u32;
848	break;
849
850	case 's':
851	cbSend = Value.u32;
852	break;
853
854	default:
855	return RTGetOptPrintError(ch, &Value);
856	}
857
858	/*
859	* Do the testing and report summary.
860	*/
861	TSTSTATE This;
862	RT_ZERO(This);
863	doTest(&This, cbRecv, cbSend);
864
865	return RTTestSummaryAndDestroy(g_hTest);
866	}
867

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source: vbox/trunk/src/VBox/Devices/Network/testcase/tstIntNetR0.cpp@ 98103

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