DrvNAT.cpp@ 8465

Last change on this file since 8465 was 8404, checked in by vboxsync, 17 years ago
fixed error message
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 20.3 KB

Line
1	/** @file
2	*
3	* VBox network devices:
4	* NAT network transport driver
5	*/
6
7	/*
8	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
9	*
10	* This file is part of VirtualBox Open Source Edition (OSE), as
11	* available from http://www.virtualbox.org. This file is free software;
12	* you can redistribute it and/or modify it under the terms of the GNU
13	* General Public License (GPL) as published by the Free Software
14	* Foundation, in version 2 as it comes in the "COPYING" file of the
15	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17	*
18	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
19	* Clara, CA 95054 USA or visit http://www.sun.com if you need
20	* additional information or have any questions.
21	*/
22
23
24	/*******************************************************************************
25	* Header Files *
26	*******************************************************************************/
27	#define LOG_GROUP LOG_GROUP_DRV_NAT
28	#include "Network/slirp/libslirp.h"
29	#include <VBox/pdmdrv.h>
30	#include <iprt/assert.h>
31	#include <iprt/file.h>
32	#include <iprt/string.h>
33	#include <iprt/critsect.h>
34	#include <iprt/cidr.h>
35
36	#include "Builtins.h"
37
38
39	/*******************************************************************************
40	* Structures and Typedefs *
41	*******************************************************************************/
42	/**
43	* NAT network transport driver instance data.
44	*/
45	typedef struct DRVNAT
46	{
47	/** The network interface. */
48	PDMINETWORKCONNECTOR INetworkConnector;
49	/** The port we're attached to. */
50	PPDMINETWORKPORT pPort;
51	/** The network config of the port we're attached to. */
52	PPDMINETWORKCONFIG pConfig;
53	/** Pointer to the driver instance. */
54	PPDMDRVINS pDrvIns;
55	/** Slirp critical section. */
56	RTCRITSECT CritSect;
57	/** Link state */
58	PDMNETWORKLINKSTATE enmLinkState;
59	/** NAT state for this instance. */
60	PNATState pNATState;
61	/** TFTP directory prefix. */
62	char *pszTFTPPrefix;
63	/** Boot file name to provide in the DHCP server response. */
64	char *pszBootFile;
65	} DRVNAT, *PDRVNAT;
66
67	/** Converts a pointer to NAT::INetworkConnector to a PRDVNAT. */
68	#define PDMINETWORKCONNECTOR_2_DRVNAT(pInterface) ( (PDRVNAT)((uintptr_t)pInterface - RT_OFFSETOF(DRVNAT, INetworkConnector)) )
69
70
71	/*******************************************************************************
72	* Global Variables *
73	*******************************************************************************/
74	#if 0
75	/** If set the thread should terminate. */
76	static bool g_fThreadTerm = false;
77	/** The thread id of the select thread (drvNATSelectThread()). */
78	static RTTHREAD g_ThreadSelect;
79	#endif
80
81
82	/**
83	* Send data to the network.
84	*
85	* @returns VBox status code.
86	* @param pInterface Pointer to the interface structure containing the called function pointer.
87	* @param pvBuf Data to send.
88	* @param cb Number of bytes to send.
89	* @thread EMT
90	*/
91	static DECLCALLBACK(int) drvNATSend(PPDMINETWORKCONNECTOR pInterface, const void *pvBuf, size_t cb)
92	{
93	PDRVNAT pData = PDMINETWORKCONNECTOR_2_DRVNAT(pInterface);
94
95	LogFlow(("drvNATSend: pvBuf=%p cb=%#x\n", pvBuf, cb));
96	Log2(("drvNATSend: pvBuf=%p cb=%#x\n"
97	"%.*Vhxd\n",
98	pvBuf, cb, cb, pvBuf));
99
100	int rc = RTCritSectEnter(&pData->CritSect);
101	AssertReleaseRC(rc);
102
103	Assert(pData->enmLinkState == PDMNETWORKLINKSTATE_UP);
104	if (pData->enmLinkState == PDMNETWORKLINKSTATE_UP)
105	slirp_input(pData->pNATState, (uint8_t *)pvBuf, cb);
106	RTCritSectLeave(&pData->CritSect);
107	LogFlow(("drvNATSend: end\n"));
108	return VINF_SUCCESS;
109	}
110
111
112	/**
113	* Set promiscuous mode.
114	*
115	* This is called when the promiscuous mode is set. This means that there doesn't have
116	* to be a mode change when it's called.
117	*
118	* @param pInterface Pointer to the interface structure containing the called function pointer.
119	* @param fPromiscuous Set if the adaptor is now in promiscuous mode. Clear if it is not.
120	* @thread EMT
121	*/
122	static DECLCALLBACK(void) drvNATSetPromiscuousMode(PPDMINETWORKCONNECTOR pInterface, bool fPromiscuous)
123	{
124	LogFlow(("drvNATSetPromiscuousMode: fPromiscuous=%d\n", fPromiscuous));
125	/* nothing to do */
126	}
127
128
129	/**
130	* Notification on link status changes.
131	*
132	* @param pInterface Pointer to the interface structure containing the called function pointer.
133	* @param enmLinkState The new link state.
134	* @thread EMT
135	*/
136	static DECLCALLBACK(void) drvNATNotifyLinkChanged(PPDMINETWORKCONNECTOR pInterface, PDMNETWORKLINKSTATE enmLinkState)
137	{
138	PDRVNAT pData = PDMINETWORKCONNECTOR_2_DRVNAT(pInterface);
139
140	LogFlow(("drvNATNotifyLinkChanged: enmLinkState=%d\n", enmLinkState));
141
142	int rc = RTCritSectEnter(&pData->CritSect);
143	AssertReleaseRC(rc);
144	pData->enmLinkState = enmLinkState;
145
146	switch (enmLinkState)
147	{
148	case PDMNETWORKLINKSTATE_UP:
149	LogRel(("NAT: link up\n"));
150	slirp_link_up(pData->pNATState);
151	break;
152
153	case PDMNETWORKLINKSTATE_DOWN:
154	case PDMNETWORKLINKSTATE_DOWN_RESUME:
155	LogRel(("NAT: link down\n"));
156	slirp_link_down(pData->pNATState);
157	break;
158
159	default:
160	AssertMsgFailed(("drvNATNotifyLinkChanged: unexpected link state %d\n", enmLinkState));
161	}
162	RTCritSectLeave(&pData->CritSect);
163	}
164
165
166	/**
167	* Poller callback.
168	*/
169	static DECLCALLBACK(void) drvNATPoller(PPDMDRVINS pDrvIns)
170	{
171	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
172	fd_set ReadFDs;
173	fd_set WriteFDs;
174	fd_set XcptFDs;
175	int cFDs = -1;
176	FD_ZERO(&ReadFDs);
177	FD_ZERO(&WriteFDs);
178	FD_ZERO(&XcptFDs);
179
180	int rc = RTCritSectEnter(&pData->CritSect);
181	AssertReleaseRC(rc);
182
183	slirp_select_fill(pData->pNATState, &cFDs, &ReadFDs, &WriteFDs, &XcptFDs);
184
185	struct timeval tv = {0, 0}; /* no wait */
186	int cReadFDs = select(cFDs + 1, &ReadFDs, &WriteFDs, &XcptFDs, &tv);
187	if (cReadFDs >= 0)
188	slirp_select_poll(pData->pNATState, &ReadFDs, &WriteFDs, &XcptFDs);
189
190	RTCritSectLeave(&pData->CritSect);
191	}
192
193
194	/**
195	* Function called by slirp to check if it's possible to feed incoming data to the network port.
196	* @returns 1 if possible.
197	* @returns 0 if not possible.
198	*/
199	int slirp_can_output(void *pvUser)
200	{
201	PDRVNAT pData = (PDRVNAT)pvUser;
202
203	Assert(pData);
204
205	/** Happens during termination */
206	if (!RTCritSectIsOwner(&pData->CritSect))
207	return 0;
208
209	int rc = pData->pPort->pfnWaitReceiveAvail(pData->pPort, 0);
210	return RT_SUCCESS(rc);
211	}
212
213
214	/**
215	* Function called by slirp to feed incoming data to the network port.
216	*/
217	void slirp_output(void pvUser, const uint8_t pu8Buf, int cb)
218	{
219	PDRVNAT pData = (PDRVNAT)pvUser;
220
221	LogFlow(("slirp_output BEGIN %x %d\n", pu8Buf, cb));
222	Log2(("slirp_output: pu8Buf=%p cb=%#x (pData=%p)\n"
223	"%.*Vhxd\n",
224	pu8Buf, cb, pData,
225	cb, pu8Buf));
226
227	Assert(pData);
228
229	/** Happens during termination */
230	if (!RTCritSectIsOwner(&pData->CritSect))
231	return;
232
233	int rc = pData->pPort->pfnReceive(pData->pPort, pu8Buf, cb);
234	AssertRC(rc);
235	LogFlow(("slirp_output END %x %d\n", pu8Buf, cb));
236	}
237
238	/**
239	* Queries an interface to the driver.
240	*
241	* @returns Pointer to interface.
242	* @returns NULL if the interface was not supported by the driver.
243	* @param pInterface Pointer to this interface structure.
244	* @param enmInterface The requested interface identification.
245	* @thread Any thread.
246	*/
247	static DECLCALLBACK(void *) drvNATQueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface)
248	{
249	PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
250	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
251	switch (enmInterface)
252	{
253	case PDMINTERFACE_BASE:
254	return &pDrvIns->IBase;
255	case PDMINTERFACE_NETWORK_CONNECTOR:
256	return &pData->INetworkConnector;
257	default:
258	return NULL;
259	}
260	}
261
262
263	/**
264	* Destruct a driver instance.
265	*
266	* Most VM resources are freed by the VM. This callback is provided so that any non-VM
267	* resources can be freed correctly.
268	*
269	* @param pDrvIns The driver instance data.
270	*/
271	static DECLCALLBACK(void) drvNATDestruct(PPDMDRVINS pDrvIns)
272	{
273	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
274
275	LogFlow(("drvNATDestruct:\n"));
276
277	int rc = RTCritSectEnter(&pData->CritSect);
278	AssertReleaseRC(rc);
279	slirp_term(pData->pNATState);
280	pData->pNATState = NULL;
281	RTCritSectLeave(&pData->CritSect);
282
283	RTCritSectDelete(&pData->CritSect);
284	}
285
286
287	/**
288	* Sets up the redirectors.
289	*
290	* @returns VBox status code.
291	* @param pCfgHandle The drivers configuration handle.
292	*/
293	static int drvNATConstructRedir(unsigned iInstance, PDRVNAT pData, PCFGMNODE pCfgHandle)
294	{
295	/*
296	* Enumerate redirections.
297	*/
298	for (PCFGMNODE pNode = CFGMR3GetFirstChild(pCfgHandle); pNode; pNode = CFGMR3GetNextChild(pNode))
299	{
300	/*
301	* Validate the port forwarding config.
302	*/
303	if (!CFGMR3AreValuesValid(pNode, "Protocol\0UDP\0HostPort\0GuestPort\0GuestIP\0"))
304	return PDMDRV_SET_ERROR(pData->pDrvIns, VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES, N_("Unknown configuration in port forwarding"));
305
306	/* protocol type */
307	bool fUDP;
308	char szProtocol[32];
309	int rc = CFGMR3QueryString(pNode, "Protocol", &szProtocol[0], sizeof(szProtocol));
310	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
311	{
312	rc = CFGMR3QueryBool(pNode, "UDP", &fUDP);
313	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
314	fUDP = false;
315	else if (VBOX_FAILURE(rc))
316	return PDMDrvHlpVMSetError(pData->pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"UDP\" boolean failed"), iInstance);
317	}
318	else if (VBOX_SUCCESS(rc))
319	{
320	if (!RTStrICmp(szProtocol, "TCP"))
321	fUDP = false;
322	else if (!RTStrICmp(szProtocol, "UDP"))
323	fUDP = true;
324	else
325	return PDMDrvHlpVMSetError(pData->pDrvIns, VERR_INVALID_PARAMETER, RT_SRC_POS, N_("NAT#%d: Invalid configuration value for \"Protocol\": \"%s\""), iInstance, szProtocol);
326	}
327	else
328	return PDMDrvHlpVMSetError(pData->pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"Protocol\" string failed"), iInstance);
329
330	/* host port */
331	int32_t iHostPort;
332	rc = CFGMR3QueryS32(pNode, "HostPort", &iHostPort);
333	if (VBOX_FAILURE(rc))
334	return PDMDrvHlpVMSetError(pData->pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"HostPort\" integer failed"), iInstance);
335
336	/* guest port */
337	int32_t iGuestPort;
338	rc = CFGMR3QueryS32(pNode, "GuestPort", &iGuestPort);
339	if (VBOX_FAILURE(rc))
340	return PDMDrvHlpVMSetError(pData->pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"GuestPort\" integer failed"), iInstance);
341
342	/* guest address */
343	char szGuestIP[32];
344	rc = CFGMR3QueryString(pNode, "GuestIP", &szGuestIP[0], sizeof(szGuestIP));
345	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
346	strcpy(szGuestIP, "10.0.2.15");
347	else if (VBOX_FAILURE(rc))
348	return PDMDrvHlpVMSetError(pData->pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"GuestIP\" string failed"), iInstance);
349	struct in_addr GuestIP;
350	if (!inet_aton(szGuestIP, &GuestIP))
351	return PDMDrvHlpVMSetError(pData->pDrvIns, VERR_NAT_REDIR_GUEST_IP, RT_SRC_POS, N_("NAT#%d: configuration error: invalid \"GuestIP\"=\"%s\", inet_aton failed"), iInstance, szGuestIP);
352
353	/*
354	* Call slirp about it.
355	*/
356	Log(("drvNATConstruct: Redir %d -> %s:%d\n", iHostPort, szGuestIP, iGuestPort));
357	if (slirp_redir(pData->pNATState, fUDP, iHostPort, GuestIP, iGuestPort) < 0)
358	return PDMDrvHlpVMSetError(pData->pDrvIns, VERR_NAT_REDIR_SETUP, RT_SRC_POS, N_("NAT#%d: configuration error: failed to set up redirection of %d to %s:%d. Probably a conflict with existing services or other rules"), iInstance, iHostPort, szGuestIP, iGuestPort);
359	} /* for each redir rule */
360
361	return VINF_SUCCESS;
362	}
363
364	/**
365	* Get the MAC address into the slirp stack.
366	*/
367	static void drvNATSetMac(PDRVNAT pData)
368	{
369	if (pData->pConfig)
370	{
371	PDMMAC Mac;
372	pData->pConfig->pfnGetMac(pData->pConfig, &Mac);
373	slirp_set_ethaddr(pData->pNATState, Mac.au8);
374	}
375	}
376
377
378	/**
379	* After loading we have to pass the MAC address of the ethernet device to the slirp stack.
380	* Otherwise the guest is not reachable until it performs a DHCP request or an ARP request
381	* (usually done during guest boot).
382	*/
383	static DECLCALLBACK(int) drvNATLoadDone(PPDMDRVINS pDrvIns, PSSMHANDLE pSSMHandle)
384	{
385	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
386	drvNATSetMac(pData);
387	return VINF_SUCCESS;
388	}
389
390
391	/**
392	* Some guests might not use DHCP to retrieve an IP but use a static IP.
393	*/
394	static DECLCALLBACK(void) drvNATPowerOn(PPDMDRVINS pDrvIns)
395	{
396	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
397	drvNATSetMac(pData);
398	}
399
400
401	/**
402	* Construct a NAT network transport driver instance.
403	*
404	* @returns VBox status.
405	* @param pDrvIns The driver instance data.
406	* If the registration structure is needed, pDrvIns->pDrvReg points to it.
407	* @param pCfgHandle Configuration node handle for the driver. Use this to obtain the configuration
408	* of the driver instance. It's also found in pDrvIns->pCfgHandle, but like
409	* iInstance it's expected to be used a bit in this function.
410	*/
411	static DECLCALLBACK(int) drvNATConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle)
412	{
413	PDRVNAT pData = PDMINS2DATA(pDrvIns, PDRVNAT);
414	char szNetAddr[16];
415	char szNetwork[32]; /* xxx.xxx.xxx.xxx/yy */
416	LogFlow(("drvNATConstruct:\n"));
417
418	/*
419	* Validate the config.
420	*/
421	if (!CFGMR3AreValuesValid(pCfgHandle, "PassDomain\0TFTPPrefix\0BootFile\0Network\0"))
422	return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES, N_("Unknown NAT configuration option, only supports PassDomain, TFTPPrefix, BootFile and Network"));
423
424	/*
425	* Init the static parts.
426	*/
427	pData->pDrvIns = pDrvIns;
428	pData->pNATState = NULL;
429	pData->pszTFTPPrefix = NULL;
430	pData->pszBootFile = NULL;
431	/* IBase */
432	pDrvIns->IBase.pfnQueryInterface = drvNATQueryInterface;
433	/* INetwork */
434	pData->INetworkConnector.pfnSend = drvNATSend;
435	pData->INetworkConnector.pfnSetPromiscuousMode = drvNATSetPromiscuousMode;
436	pData->INetworkConnector.pfnNotifyLinkChanged = drvNATNotifyLinkChanged;
437
438	/*
439	* Get the configuration settings.
440	*/
441	bool fPassDomain = true;
442	int rc = CFGMR3QueryBool(pCfgHandle, "PassDomain", &fPassDomain);
443	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
444	fPassDomain = true;
445	else if (VBOX_FAILURE(rc))
446	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"PassDomain\" boolean failed"), pDrvIns->iInstance);
447
448	rc = CFGMR3QueryStringAlloc(pCfgHandle, "TFTPPrefix", &pData->pszTFTPPrefix);
449	if (VBOX_FAILURE(rc) && rc != VERR_CFGM_VALUE_NOT_FOUND)
450	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"TFTPPrefix\" string failed"), pDrvIns->iInstance);
451	rc = CFGMR3QueryStringAlloc(pCfgHandle, "BootFile", &pData->pszBootFile);
452	if (VBOX_FAILURE(rc) && rc != VERR_CFGM_VALUE_NOT_FOUND)
453	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"BootFile\" string failed"), pDrvIns->iInstance);
454
455	/*
456	* Query the network port interface.
457	*/
458	pData->pPort = (PPDMINETWORKPORT)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMINTERFACE_NETWORK_PORT);
459	if (!pData->pPort)
460	return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_ABOVE,
461	N_("Configuration error: the above device/driver didn't export the network port interface"));
462	pData->pConfig = (PPDMINETWORKCONFIG)pDrvIns->pUpBase->pfnQueryInterface(pDrvIns->pUpBase, PDMINTERFACE_NETWORK_CONFIG);
463	if (!pData->pConfig)
464	return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_ABOVE,
465	N_("Configuration error: the above device/driver didn't export the network config interface"));
466
467	/* Generate a network address for this network card. */
468	rc = CFGMR3QueryString(pCfgHandle, "Network", szNetwork, sizeof(szNetwork));
469	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
470	RTStrPrintf(szNetwork, sizeof(szNetwork), "10.0.%d.0/24", pDrvIns->iInstance + 2);
471	else if (VBOX_FAILURE(rc))
472	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: configuration query for \"Network\" string failed"), pDrvIns->iInstance);
473
474	RTIPV4ADDR Network;
475	RTIPV4ADDR Netmask;
476	rc = RTCidrStrToIPv4(szNetwork, &Network, &Netmask);
477	if (RT_FAILURE(rc))
478	return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("NAT#%d: Configuration error: network '%s' describes not a valid IPv4 network"), pDrvIns->iInstance, szNetwork);
479
480	RTStrPrintf(szNetAddr, sizeof(szNetAddr), "%d.%d.%d.%d",
481	(Network & 0xFF000000) >> 24, (Network & 0xFF0000) >> 16, (Network & 0xFF00) >> 8, Network & 0xFF);
482
483	/*
484	* The slirp lock..
485	*/
486	rc = RTCritSectInit(&pData->CritSect);
487	if (VBOX_FAILURE(rc))
488	return rc;
489	#if 0
490	rc = RTSemEventCreate(&g_EventSem);
491	if (VBOX_SUCCESS(rc))
492	{
493	/*
494	* Start the select thread. (it'll block on the sem)
495	*/
496	g_fThreadTerm = false;
497	rc = RTThreadCreate(&g_ThreadSelect, drvNATSelectThread, 0, NULL, "NATSEL");
498	if (VBOX_SUCCESS(rc))
499	{
500	#endif
501	/*
502	* Initialize slirp.
503	*/
504	rc = slirp_init(&pData->pNATState, &szNetAddr[0], Netmask, fPassDomain, pData->pszTFTPPrefix, pData->pszBootFile, pData);
505	if (VBOX_SUCCESS(rc))
506	{
507	int rc2 = drvNATConstructRedir(pDrvIns->iInstance, pData, pCfgHandle);
508	if (VBOX_SUCCESS(rc2))
509	{
510	/*
511	* Register a load done notification to get the MAC address into the slirp
512	* engine after we loaded a guest state.
513	*/
514	rc2 = pDrvIns->pDrvHlp->pfnSSMRegister(pDrvIns, pDrvIns->pDrvReg->szDriverName, 0, 0,
515	pDrvIns->iInstance, NULL, NULL, NULL, NULL, NULL,
516	drvNATLoadDone);
517	AssertRC(rc2);
518	pDrvIns->pDrvHlp->pfnPDMPollerRegister(pDrvIns, drvNATPoller);
519
520	pData->enmLinkState = PDMNETWORKLINKSTATE_UP;
521	#if 0
522	RTSemEventSignal(g_EventSem);
523	RTThreadSleep(0);
524	#endif
525	/* might return VINF_NAT_DNS */
526	return rc;
527	}
528	/* failure path */
529	rc = rc2;
530	slirp_term(pData->pNATState);
531	pData->pNATState = NULL;
532	}
533	else
534	{
535	PDMDRV_SET_ERROR(pDrvIns, rc, N_("Unknown error during NAT networking setup: "));
536	AssertMsgFailed(("Add error message for rc=%d (%Vrc)\n", rc, rc));
537	}
538	#if 0
539	g_fThreadTerm = true;
540	RTSemEventSignal(g_EventSem);
541	RTThreadSleep(0);
542	}
543	RTSemEventDestroy(g_EventSem);
544	g_EventSem = NULL;
545	}
546	#endif
547	RTCritSectDelete(&pData->CritSect);
548	return rc;
549	}
550
551
552
553	/**
554	* NAT network transport driver registration record.
555	*/
556	const PDMDRVREG g_DrvNAT =
557	{
558	/* u32Version */
559	PDM_DRVREG_VERSION,
560	/* szDriverName */
561	"NAT",
562	/* pszDescription */
563	"NAT Network Transport Driver",
564	/* fFlags */
565	PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
566	/* fClass. */
567	PDM_DRVREG_CLASS_NETWORK,
568	/* cMaxInstances */
569	16,
570	/* cbInstance */
571	sizeof(DRVNAT),
572	/* pfnConstruct */
573	drvNATConstruct,
574	/* pfnDestruct */
575	drvNATDestruct,
576	/* pfnIOCtl */
577	NULL,
578	/* pfnPowerOn */
579	drvNATPowerOn,
580	/* pfnReset */
581	NULL,
582	/* pfnSuspend */
583	NULL,
584	/* pfnResume */
585	NULL,
586	/* pfnDetach */
587	NULL,
588	/* pfnPowerOff */
589	NULL
590	};

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Devices/Network/DrvNAT.cpp@ 8465

Download in other formats: