VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/DrvNetSniffer.cpp@ 37738

Last change on this file since 37738 was 37596, checked in by vboxsync, 13 years ago

*: RTFILE becomes a pointer, RTFileOpen++ expands it's flags paramter from uint32_t to uint64_t.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 17.9 KB
Line 
1/* $Id: DrvNetSniffer.cpp 37596 2011-06-22 19:30:06Z vboxsync $ */
2/** @file
3 * DrvNetSniffer - Network sniffer filter driver.
4 */
5
6/*
7 * Copyright (C) 2006-2010 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*******************************************************************************
20* Header Files *
21*******************************************************************************/
22#define LOG_GROUP LOG_GROUP_DRV_NAT
23#include <VBox/vmm/pdmdrv.h>
24#include <VBox/vmm/pdmnetifs.h>
25
26#include <VBox/log.h>
27#include <iprt/assert.h>
28#include <iprt/critsect.h>
29#include <iprt/file.h>
30#include <iprt/process.h>
31#include <iprt/string.h>
32#include <iprt/time.h>
33#include <iprt/uuid.h>
34#include <VBox/param.h>
35
36#include "Pcap.h"
37#include "VBoxDD.h"
38
39
40/*******************************************************************************
41* Structures and Typedefs *
42*******************************************************************************/
43/**
44 * Block driver instance data.
45 *
46 * @implements PDMINETWORKUP
47 * @implements PDMINETWORKDOWN
48 * @implements PDMINETWORKCONFIG
49 */
50typedef struct DRVNETSNIFFER
51{
52 /** The network interface. */
53 PDMINETWORKUP INetworkUp;
54 /** The network interface. */
55 PDMINETWORKDOWN INetworkDown;
56 /** The network config interface.
57 * @todo this is a main interface and shouldn't be here... */
58 PDMINETWORKCONFIG INetworkConfig;
59 /** The port we're attached to. */
60 PPDMINETWORKDOWN pIAboveNet;
61 /** The config port interface we're attached to. */
62 PPDMINETWORKCONFIG pIAboveConfig;
63 /** The connector that's attached to us. */
64 PPDMINETWORKUP pIBelowNet;
65 /** The filename. */
66 char szFilename[RTPATH_MAX];
67 /** The filehandle. */
68 RTFILE hFile;
69 /** The lock serializing the file access. */
70 RTCRITSECT Lock;
71 /** The NanoTS delta we pass to the pcap writers. */
72 uint64_t StartNanoTS;
73 /** Pointer to the driver instance. */
74 PPDMDRVINS pDrvIns;
75 /** For when we're the leaf driver. */
76 RTCRITSECT XmitLock;
77
78} DRVNETSNIFFER, *PDRVNETSNIFFER;
79
80
81
82/**
83 * @interface_method_impl{PDMINETWORKUP,pfnBeginXmit}
84 */
85static DECLCALLBACK(int) drvNetSnifferUp_BeginXmit(PPDMINETWORKUP pInterface, bool fOnWorkerThread)
86{
87 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
88 if (RT_UNLIKELY(!pThis->pIBelowNet))
89 {
90 int rc = RTCritSectTryEnter(&pThis->XmitLock);
91 if (RT_UNLIKELY(rc == VERR_SEM_BUSY))
92 rc = VERR_TRY_AGAIN;
93 return rc;
94 }
95 return pThis->pIBelowNet->pfnBeginXmit(pThis->pIBelowNet, fOnWorkerThread);
96}
97
98
99/**
100 * @interface_method_impl{PDMINETWORKUP,pfnAllocBuf}
101 */
102static DECLCALLBACK(int) drvNetSnifferUp_AllocBuf(PPDMINETWORKUP pInterface, size_t cbMin,
103 PCPDMNETWORKGSO pGso, PPPDMSCATTERGATHER ppSgBuf)
104{
105 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
106 if (RT_UNLIKELY(!pThis->pIBelowNet))
107 return VERR_NET_DOWN;
108 return pThis->pIBelowNet->pfnAllocBuf(pThis->pIBelowNet, cbMin, pGso, ppSgBuf);
109}
110
111
112/**
113 * @interface_method_impl{PDMINETWORKUP,pfnFreeBuf}
114 */
115static DECLCALLBACK(int) drvNetSnifferUp_FreeBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf)
116{
117 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
118 if (RT_UNLIKELY(!pThis->pIBelowNet))
119 return VERR_NET_DOWN;
120 return pThis->pIBelowNet->pfnFreeBuf(pThis->pIBelowNet, pSgBuf);
121}
122
123
124/**
125 * @interface_method_impl{PDMINETWORKUP,pfnSendBuf}
126 */
127static DECLCALLBACK(int) drvNetSnifferUp_SendBuf(PPDMINETWORKUP pInterface, PPDMSCATTERGATHER pSgBuf, bool fOnWorkerThread)
128{
129 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
130 if (RT_UNLIKELY(!pThis->pIBelowNet))
131 return VERR_NET_DOWN;
132
133 /* output to sniffer */
134 RTCritSectEnter(&pThis->Lock);
135 if (!pSgBuf->pvUser)
136 PcapFileFrame(pThis->hFile, pThis->StartNanoTS,
137 pSgBuf->aSegs[0].pvSeg,
138 pSgBuf->cbUsed,
139 RT_MIN(pSgBuf->cbUsed, pSgBuf->aSegs[0].cbSeg));
140 else
141 PcapFileGsoFrame(pThis->hFile, pThis->StartNanoTS, (PCPDMNETWORKGSO)pSgBuf->pvUser,
142 pSgBuf->aSegs[0].pvSeg,
143 pSgBuf->cbUsed,
144 RT_MIN(pSgBuf->cbUsed, pSgBuf->aSegs[0].cbSeg));
145 RTCritSectLeave(&pThis->Lock);
146
147 return pThis->pIBelowNet->pfnSendBuf(pThis->pIBelowNet, pSgBuf, fOnWorkerThread);
148}
149
150
151/**
152 * @interface_method_impl{PDMINETWORKUP,pfnEndXmit}
153 */
154static DECLCALLBACK(void) drvNetSnifferUp_EndXmit(PPDMINETWORKUP pInterface)
155{
156 LogFlow(("drvNetSnifferUp_EndXmit:\n"));
157 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
158 if (RT_LIKELY(pThis->pIBelowNet))
159 pThis->pIBelowNet->pfnEndXmit(pThis->pIBelowNet);
160 else
161 RTCritSectLeave(&pThis->XmitLock);
162}
163
164
165/**
166 * @interface_method_impl{PDMINETWORKUP,pfnSetPromiscuousMode}
167 */
168static DECLCALLBACK(void) drvNetSnifferUp_SetPromiscuousMode(PPDMINETWORKUP pInterface, bool fPromiscuous)
169{
170 LogFlow(("drvNetSnifferUp_SetPromiscuousMode: fPromiscuous=%d\n", fPromiscuous));
171 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
172 if (pThis->pIBelowNet)
173 pThis->pIBelowNet->pfnSetPromiscuousMode(pThis->pIBelowNet, fPromiscuous);
174}
175
176
177/**
178 * @interface_method_impl{PDMINETWORKUP,pfnNotifyLinkChanged}
179 */
180static DECLCALLBACK(void) drvNetSnifferUp_NotifyLinkChanged(PPDMINETWORKUP pInterface, PDMNETWORKLINKSTATE enmLinkState)
181{
182 LogFlow(("drvNetSnifferUp_NotifyLinkChanged: enmLinkState=%d\n", enmLinkState));
183 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkUp);
184 if (pThis->pIBelowNet)
185 pThis->pIBelowNet->pfnNotifyLinkChanged(pThis->pIBelowNet, enmLinkState);
186}
187
188
189/**
190 * @interface_method_impl{PDMINETWORKDOWN,pfnWaitReceiveAvail}
191 */
192static DECLCALLBACK(int) drvNetSnifferDown_WaitReceiveAvail(PPDMINETWORKDOWN pInterface, RTMSINTERVAL cMillies)
193{
194 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkDown);
195 return pThis->pIAboveNet->pfnWaitReceiveAvail(pThis->pIAboveNet, cMillies);
196}
197
198
199/**
200 * @interface_method_impl{PDMINETWORKDOWN,pfnReceive}
201 */
202static DECLCALLBACK(int) drvNetSnifferDown_Receive(PPDMINETWORKDOWN pInterface, const void *pvBuf, size_t cb)
203{
204 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkDown);
205
206 /* output to sniffer */
207 RTCritSectEnter(&pThis->Lock);
208 PcapFileFrame(pThis->hFile, pThis->StartNanoTS, pvBuf, cb, cb);
209 RTCritSectLeave(&pThis->Lock);
210
211 /* pass up */
212 int rc = pThis->pIAboveNet->pfnReceive(pThis->pIAboveNet, pvBuf, cb);
213#if 0
214 RTCritSectEnter(&pThis->Lock);
215 u64TS = RTTimeProgramNanoTS();
216 Hdr.ts_sec = (uint32_t)(u64TS / 1000000000);
217 Hdr.ts_usec = (uint32_t)((u64TS / 1000) % 1000000);
218 Hdr.incl_len = 0;
219 RTFileWrite(pThis->hFile, &Hdr, sizeof(Hdr), NULL);
220 RTCritSectLeave(&pThis->Lock);
221#endif
222 return rc;
223}
224
225
226/**
227 * @interface_method_impl{PDMINETWORKDOWN,pfnXmitPending}
228 */
229static DECLCALLBACK(void) drvNetSnifferDown_XmitPending(PPDMINETWORKDOWN pInterface)
230{
231 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkDown);
232 pThis->pIAboveNet->pfnXmitPending(pThis->pIAboveNet);
233}
234
235
236/**
237 * Gets the current Media Access Control (MAC) address.
238 *
239 * @returns VBox status code.
240 * @param pInterface Pointer to the interface structure containing the called function pointer.
241 * @param pMac Where to store the MAC address.
242 * @thread EMT
243 */
244static DECLCALLBACK(int) drvNetSnifferDownCfg_GetMac(PPDMINETWORKCONFIG pInterface, PRTMAC pMac)
245{
246 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkConfig);
247 return pThis->pIAboveConfig->pfnGetMac(pThis->pIAboveConfig, pMac);
248}
249
250/**
251 * Gets the new link state.
252 *
253 * @returns The current link state.
254 * @param pInterface Pointer to the interface structure containing the called function pointer.
255 * @thread EMT
256 */
257static DECLCALLBACK(PDMNETWORKLINKSTATE) drvNetSnifferDownCfg_GetLinkState(PPDMINETWORKCONFIG pInterface)
258{
259 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkConfig);
260 return pThis->pIAboveConfig->pfnGetLinkState(pThis->pIAboveConfig);
261}
262
263/**
264 * Sets the new link state.
265 *
266 * @returns VBox status code.
267 * @param pInterface Pointer to the interface structure containing the called function pointer.
268 * @param enmState The new link state
269 * @thread EMT
270 */
271static DECLCALLBACK(int) drvNetSnifferDownCfg_SetLinkState(PPDMINETWORKCONFIG pInterface, PDMNETWORKLINKSTATE enmState)
272{
273 PDRVNETSNIFFER pThis = RT_FROM_MEMBER(pInterface, DRVNETSNIFFER, INetworkConfig);
274 return pThis->pIAboveConfig->pfnSetLinkState(pThis->pIAboveConfig, enmState);
275}
276
277
278/**
279 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
280 */
281static DECLCALLBACK(void *) drvNetSnifferQueryInterface(PPDMIBASE pInterface, const char *pszIID)
282{
283 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
284 PDRVNETSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSNIFFER);
285 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
286 PDMIBASE_RETURN_INTERFACE(pszIID, PDMINETWORKUP, &pThis->INetworkUp);
287 PDMIBASE_RETURN_INTERFACE(pszIID, PDMINETWORKDOWN, &pThis->INetworkDown);
288 PDMIBASE_RETURN_INTERFACE(pszIID, PDMINETWORKCONFIG, &pThis->INetworkConfig);
289 return NULL;
290}
291
292
293/**
294 * @interface_method_impl{PDMDRVREG,pfnDetach}
295 */
296static DECLCALLBACK(void) drvNetSnifferDetach(PPDMDRVINS pDrvIns, uint32_t fFlags)
297{
298 PDRVNETSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSNIFFER);
299
300 LogFlow(("drvNetSnifferDetach: pDrvIns: %p, fFlags: %u\n", pDrvIns, fFlags));
301 RTCritSectEnter(&pThis->XmitLock);
302 pThis->pIBelowNet = NULL;
303 RTCritSectLeave(&pThis->XmitLock);
304}
305
306
307/**
308 * @interface_method_impl{PDMDRVREG,pfnAttach}
309 */
310static DECLCALLBACK(int) drvNetSnifferAttach(PPDMDRVINS pDrvIns, uint32_t fFlags)
311{
312 PDRVNETSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSNIFFER);
313 LogFlow(("drvNetSnifferAttach/#%#x: fFlags=%#x\n", pDrvIns->iInstance, fFlags));
314 RTCritSectEnter(&pThis->XmitLock);
315
316 /*
317 * Query the network connector interface.
318 */
319 PPDMIBASE pBaseDown;
320 int rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBaseDown);
321 if ( rc == VERR_PDM_NO_ATTACHED_DRIVER
322 || rc == VERR_PDM_CFG_MISSING_DRIVER_NAME)
323 {
324 pThis->pIBelowNet = NULL;
325 rc = VINF_SUCCESS;
326 }
327 else if (RT_SUCCESS(rc))
328 {
329 pThis->pIBelowNet = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMINETWORKUP);
330 if (pThis->pIBelowNet)
331 rc = VINF_SUCCESS;
332 else
333 {
334 AssertMsgFailed(("Configuration error: the driver below didn't export the network connector interface!\n"));
335 rc = VERR_PDM_MISSING_INTERFACE_BELOW;
336 }
337 }
338 else
339 AssertMsgFailed(("Failed to attach to driver below! rc=%Rrc\n", rc));
340
341 RTCritSectLeave(&pThis->XmitLock);
342 return VINF_SUCCESS;
343}
344
345
346/**
347 * @interface_method_impl{PDMDRVREG,pfnDestruct}
348 */
349static DECLCALLBACK(void) drvNetSnifferDestruct(PPDMDRVINS pDrvIns)
350{
351 PDRVNETSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSNIFFER);
352 PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
353
354 if (RTCritSectIsInitialized(&pThis->Lock))
355 RTCritSectDelete(&pThis->Lock);
356
357 if (RTCritSectIsInitialized(&pThis->XmitLock))
358 RTCritSectDelete(&pThis->XmitLock);
359
360 RTFileClose(pThis->hFile);
361 pThis->hFile = NIL_RTFILE;
362}
363
364
365/**
366 * @interface_method_impl{Construct a NAT network transport driver instance,
367 * PDMDRVREG,pfnDestruct}
368 */
369static DECLCALLBACK(int) drvNetSnifferConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
370{
371 PDRVNETSNIFFER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSNIFFER);
372 LogFlow(("drvNetSnifferConstruct:\n"));
373 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
374
375 /*
376 * Init the static parts.
377 */
378 pThis->pDrvIns = pDrvIns;
379 pThis->hFile = NIL_RTFILE;
380 /* The pcap file *must* start at time offset 0,0. */
381 pThis->StartNanoTS = RTTimeNanoTS() - RTTimeProgramNanoTS();
382 /* IBase */
383 pDrvIns->IBase.pfnQueryInterface = drvNetSnifferQueryInterface;
384 /* INetworkUp */
385 pThis->INetworkUp.pfnBeginXmit = drvNetSnifferUp_BeginXmit;
386 pThis->INetworkUp.pfnAllocBuf = drvNetSnifferUp_AllocBuf;
387 pThis->INetworkUp.pfnFreeBuf = drvNetSnifferUp_FreeBuf;
388 pThis->INetworkUp.pfnSendBuf = drvNetSnifferUp_SendBuf;
389 pThis->INetworkUp.pfnEndXmit = drvNetSnifferUp_EndXmit;
390 pThis->INetworkUp.pfnSetPromiscuousMode = drvNetSnifferUp_SetPromiscuousMode;
391 pThis->INetworkUp.pfnNotifyLinkChanged = drvNetSnifferUp_NotifyLinkChanged;
392 /* INetworkDown */
393 pThis->INetworkDown.pfnWaitReceiveAvail = drvNetSnifferDown_WaitReceiveAvail;
394 pThis->INetworkDown.pfnReceive = drvNetSnifferDown_Receive;
395 pThis->INetworkDown.pfnXmitPending = drvNetSnifferDown_XmitPending;
396 /* INetworkConfig */
397 pThis->INetworkConfig.pfnGetMac = drvNetSnifferDownCfg_GetMac;
398 pThis->INetworkConfig.pfnGetLinkState = drvNetSnifferDownCfg_GetLinkState;
399 pThis->INetworkConfig.pfnSetLinkState = drvNetSnifferDownCfg_SetLinkState;
400
401 /*
402 * Create the locks.
403 */
404 int rc = RTCritSectInit(&pThis->Lock);
405 AssertRCReturn(rc, rc);
406 rc = RTCritSectInit(&pThis->XmitLock);
407 AssertRCReturn(rc, rc);
408
409 /*
410 * Validate the config.
411 */
412 if (!CFGMR3AreValuesValid(pCfg, "File\0"))
413 return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
414
415 if (CFGMR3GetFirstChild(pCfg))
416 LogRel(("NetSniffer: Found child config entries -- are you trying to redirect ports?\n"));
417
418 /*
419 * Get the filename.
420 */
421 rc = CFGMR3QueryString(pCfg, "File", pThis->szFilename, sizeof(pThis->szFilename));
422 if (rc == VERR_CFGM_VALUE_NOT_FOUND)
423 {
424 if (pDrvIns->iInstance > 0)
425 RTStrPrintf(pThis->szFilename, sizeof(pThis->szFilename), "./VBox-%x-%u.pcap", RTProcSelf(), pDrvIns->iInstance);
426 else
427 RTStrPrintf(pThis->szFilename, sizeof(pThis->szFilename), "./VBox-%x.pcap", RTProcSelf());
428 }
429
430 else if (RT_FAILURE(rc))
431 {
432 AssertMsgFailed(("Failed to query \"File\", rc=%Rrc.\n", rc));
433 return rc;
434 }
435
436 /*
437 * Query the network port interface.
438 */
439 pThis->pIAboveNet = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKDOWN);
440 if (!pThis->pIAboveNet)
441 {
442 AssertMsgFailed(("Configuration error: the above device/driver didn't export the network port interface!\n"));
443 return VERR_PDM_MISSING_INTERFACE_ABOVE;
444 }
445
446 /*
447 * Query the network config interface.
448 */
449 pThis->pIAboveConfig = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKCONFIG);
450 if (!pThis->pIAboveConfig)
451 {
452 AssertMsgFailed(("Configuration error: the above device/driver didn't export the network config interface!\n"));
453 return VERR_PDM_MISSING_INTERFACE_ABOVE;
454 }
455
456 /*
457 * Query the network connector interface.
458 */
459 PPDMIBASE pBaseDown;
460 rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBaseDown);
461 if ( rc == VERR_PDM_NO_ATTACHED_DRIVER
462 || rc == VERR_PDM_CFG_MISSING_DRIVER_NAME)
463 pThis->pIBelowNet = NULL;
464 else if (RT_SUCCESS(rc))
465 {
466 pThis->pIBelowNet = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMINETWORKUP);
467 if (!pThis->pIBelowNet)
468 {
469 AssertMsgFailed(("Configuration error: the driver below didn't export the network connector interface!\n"));
470 return VERR_PDM_MISSING_INTERFACE_BELOW;
471 }
472 }
473 else
474 {
475 AssertMsgFailed(("Failed to attach to driver below! rc=%Rrc\n", rc));
476 return rc;
477 }
478
479 /*
480 * Open output file / pipe.
481 */
482 rc = RTFileOpen(&pThis->hFile, pThis->szFilename,
483 RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_WRITE);
484 if (RT_FAILURE(rc))
485 return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
486 N_("Netsniffer cannot open '%s' for writing. The directory must exist and it must be writable for the current user"), pThis->szFilename);
487
488 /*
489 * Write pcap header.
490 * Some time has gone by since capturing pThis->StartNanoTS so get the
491 * current time again.
492 */
493 PcapFileHdr(pThis->hFile, RTTimeNanoTS());
494
495 return VINF_SUCCESS;
496}
497
498
499
500/**
501 * Network sniffer filter driver registration record.
502 */
503const PDMDRVREG g_DrvNetSniffer =
504{
505 /* u32Version */
506 PDM_DRVREG_VERSION,
507 /* szName */
508 "NetSniffer",
509 /* szRCMod */
510 "",
511 /* szR0Mod */
512 "",
513 /* pszDescription */
514 "Network Sniffer Filter Driver",
515 /* fFlags */
516 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
517 /* fClass. */
518 PDM_DRVREG_CLASS_NETWORK,
519 /* cMaxInstances */
520 UINT32_MAX,
521 /* cbInstance */
522 sizeof(DRVNETSNIFFER),
523 /* pfnConstruct */
524 drvNetSnifferConstruct,
525 /* pfnDestruct */
526 drvNetSnifferDestruct,
527 /* pfnRelocate */
528 NULL,
529 /* pfnIOCtl */
530 NULL,
531 /* pfnPowerOn */
532 NULL,
533 /* pfnReset */
534 NULL,
535 /* pfnSuspend */
536 NULL,
537 /* pfnResume */
538 NULL,
539 /* pfnAttach */
540 drvNetSnifferAttach,
541 /* pfnDetach */
542 drvNetSnifferDetach,
543 /* pfnPowerOff */
544 NULL,
545 /* pfnSoftReset */
546 NULL,
547 /* u32EndVersion */
548 PDM_DRVREG_VERSION
549};
550
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