VBoxNetAdp-solaris.c@ 23636

Last change on this file since 23636 was 22285, checked in by vboxsync, 16 years ago
Solaris/VBoxNetAdp: fixed default MAC address.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 15.4 KB

Line
1	/* $Id: VBoxNetAdp-solaris.c 22285 2009-08-17 11:17:01Z vboxsync $ */
2	/** @file
3	* VBoxNetAdapter - Network Adapter Driver (Host), Solaris Specific Code.
4	*/
5
6	/*
7	* Copyright (C) 2009 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22	/*******************************************************************************
23	* Header Files *
24	*******************************************************************************/
25	#define LOG_GROUP LOG_GROUP_NET_ADP_DRV
26	#include <VBox/log.h>
27	#include <VBox/err.h>
28	#include <VBox/version.h>
29	#include <iprt/assert.h>
30	#include <iprt/semaphore.h>
31	#include <iprt/initterm.h>
32	#include <iprt/assert.h>
33	#include <iprt/mem.h>
34	#include <iprt/rand.h>
35
36	#include <sys/types.h>
37	#include <sys/dlpi.h>
38	#include <sys/types.h>
39	#include <sys/param.h>
40	#include <sys/stat.h>
41	#include <sys/stream.h>
42	#include <sys/stropts.h>
43	#include <sys/strsun.h>
44	#include <sys/modctl.h>
45	#include <sys/ddi.h>
46	#include <sys/sunddi.h>
47	#include <sys/sunldi.h>
48	#include <sys/gld.h>
49
50	#include "../VBoxNetAdpInternal.h"
51
52	/*******************************************************************************
53	* Defined Constants And Macros *
54	*******************************************************************************/
55	#define VBOXSOLQUOTE2(x) #x
56	#define VBOXSOLQUOTE(x) VBOXSOLQUOTE2(x)
57	#define DEVICE_NAME "vboxnet"
58	/** The module descriptions as seen in 'modinfo'. */
59	#define DEVICE_DESC_DRV "VirtualBox NetAdp"
60	#define VBOXNETADP_MTU 1500
61
62	#if defined(DEBUG_ramshankar)
63	# undef Log
64	# define Log LogRel
65	# undef LogFlow
66	# define LogFlow LogRel
67	#endif
68
69	static int VBoxNetAdpSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd);
70	static int VBoxNetAdpSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd);
71
72	/**
73	* Streams: module info.
74	*/
75	static struct module_info g_VBoxNetAdpSolarisModInfo =
76	{
77	0x0dd, /* module id */
78	DEVICE_NAME,
79	0, /* min. packet size */
80	INFPSZ, /* max. packet size */
81	0, /* hi-water mark */
82	0 /* lo-water mark */
83	};
84
85	/**
86	* Streams: read queue hooks.
87	*/
88	static struct qinit g_VBoxNetAdpSolarisReadQ =
89	{
90	NULL, /* read */
91	gld_rsrv,
92	gld_open,
93	gld_close,
94	NULL, /* admin (reserved) */
95	&g_VBoxNetAdpSolarisModInfo,
96	NULL /* module stats */
97	};
98
99	/**
100	* Streams: write queue hooks.
101	*/
102	static struct qinit g_VBoxNetAdpSolarisWriteQ =
103	{
104	gld_wput,
105	gld_wsrv,
106	NULL, /* open */
107	NULL, /* close */
108	NULL, /* admin (reserved) */
109	&g_VBoxNetAdpSolarisModInfo,
110	NULL /* module stats */
111	};
112
113	/**
114	* Streams: IO stream tab.
115	*/
116	static struct streamtab g_VBoxNetAdpSolarisStreamTab =
117	{
118	&g_VBoxNetAdpSolarisReadQ,
119	&g_VBoxNetAdpSolarisWriteQ,
120	NULL, /* muxread init */
121	NULL /* muxwrite init */
122	};
123
124	/**
125	* cb_ops: driver char/block entry points
126	*/
127	static struct cb_ops g_VBoxNetAdpSolarisCbOps =
128	{
129	nulldev, /* cb open */
130	nulldev, /* cb close */
131	nodev, /* b strategy */
132	nodev, /* b dump */
133	nodev, /* b print */
134	nodev, /* cb read */
135	nodev, /* cb write */
136	nodev, /* cb ioctl */
137	nodev, /* c devmap */
138	nodev, /* c mmap */
139	nodev, /* c segmap */
140	nochpoll, /* c poll */
141	ddi_prop_op, /* property ops */
142	&g_VBoxNetAdpSolarisStreamTab,
143	D_MP, /* compat. flag */
144	CB_REV /* revision */
145	};
146
147	/**
148	* dev_ops: driver entry/exit and other ops.
149	*/
150	static struct dev_ops g_VBoxNetAdpSolarisDevOps =
151	{
152	DEVO_REV, /* driver build revision */
153	0, /* ref count */
154	gld_getinfo,
155	nulldev, /* identify */
156	nulldev, /* probe */
157	VBoxNetAdpSolarisAttach,
158	VBoxNetAdpSolarisDetach,
159	nodev, /* reset */
160	&g_VBoxNetAdpSolarisCbOps,
161	(struct bus_ops *)0,
162	nodev /* power */
163	};
164
165	/**
166	* modldrv: export driver specifics to kernel
167	*/
168	static struct modldrv g_VBoxNetAdpSolarisDriver =
169	{
170	&mod_driverops, /* extern from kernel */
171	DEVICE_DESC_DRV " " VBOX_VERSION_STRING "r" VBOXSOLQUOTE(VBOX_SVN_REV),
172	&g_VBoxNetAdpSolarisDevOps
173	};
174
175	/**
176	* modlinkage: export install/remove/info to the kernel
177	*/
178	static struct modlinkage g_VBoxNetAdpSolarisModLinkage =
179	{
180	MODREV_1, /* loadable module system revision */
181	&g_VBoxNetAdpSolarisDriver, /* adapter streams driver framework */
182	NULL /* terminate array of linkage structures */
183	};
184
185
186	/*******************************************************************************
187	* Global Variables *
188	*******************************************************************************/
189	/** The default ethernet broadcast address */
190	static uchar_t achBroadcastAddr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
191
192	/**
193	* vboxnetadp_state_t: per-instance data
194	*/
195	typedef struct vboxnetadp_state_t
196	{
197	dev_info_t pDip; / device info. */
198	RTMAC FactoryMac; /* default 'factory' MAC address */
199	RTMAC CurrentMac; /* current MAC address */
200	} vboxnetadp_state_t;
201
202
203	/*******************************************************************************
204	* Internal Functions *
205	*******************************************************************************/
206	static int vboxNetAdpSolarisGenerateMac(PRTMAC pMac);
207	static int vboxNetAdpSolarisSetMacAddress(gld_mac_info_t pMacInfo, unsigned char pszMacAddr);
208	static int vboxNetAdpSolarisSend(gld_mac_info_t pMacInfo, mblk_t pMsg);
209	static int vboxNetAdpSolarisStub(gld_mac_info_t *pMacInfo);
210	static int vboxNetAdpSolarisSetPromisc(gld_mac_info_t *pMacInfo, int fPromisc);
211	static int vboxNetAdpSolarisSetMulticast(gld_mac_info_t pMacInfo, unsigned char pMulticastAddr, int fMulticast);
212
213
214	/**
215	* Kernel entry points
216	*/
217	int _init(void)
218	{
219	LogFlow((DEVICE_NAME ":_init\n"));
220
221	/*
222	* Prevent module autounloading.
223	*/
224	modctl_t *pModCtl = mod_getctl(&g_VBoxNetAdpSolarisModLinkage);
225	if (pModCtl)
226	pModCtl->mod_loadflags \|= MOD_NOAUTOUNLOAD;
227	else
228	LogRel((DEVICE_NAME ":failed to disable autounloading!\n"));
229
230	/*
231	* Initialize IPRT.
232	*/
233	int rc = RTR0Init(0);
234	if (RT_SUCCESS(rc))
235	{
236	rc = mod_install(&g_VBoxNetAdpSolarisModLinkage);
237	if (!rc)
238	return rc;
239
240	LogRel((DEVICE_NAME ":mod_install failed. rc=%d\n", rc));
241	RTR0Term();
242	}
243	else
244	LogRel((DEVICE_NAME ":failed to initialize IPRT (rc=%d)\n", rc));
245
246	return RTErrConvertToErrno(rc);
247	}
248
249
250	int _fini(void)
251	{
252	int rc;
253	LogFlow((DEVICE_NAME ":_fini\n"));
254
255	/*
256	* Undo the work done during start (in reverse order).
257	*/
258	RTR0Term();
259
260	return mod_remove(&g_VBoxNetAdpSolarisModLinkage);
261	}
262
263
264	int _info(struct modinfo *pModInfo)
265	{
266	LogFlow((DEVICE_NAME ":_info\n"));
267
268	int rc = mod_info(&g_VBoxNetAdpSolarisModLinkage, pModInfo);
269
270	LogFlow((DEVICE_NAME ":_info returns %d\n", rc));
271	return rc;
272	}
273
274
275	/**
276	* Attach entry point, to attach a device to the system or resume it.
277	*
278	* @param pDip The module structure instance.
279	* @param enmCmd Operation type (attach/resume).
280	*
281	* @returns corresponding solaris error code.
282	*/
283	static int VBoxNetAdpSolarisAttach(dev_info_t *pDip, ddi_attach_cmd_t enmCmd)
284	{
285	LogFlow((DEVICE_NAME ":VBoxNetAdpSolarisAttach pDip=%p enmCmd=%d\n", pDip, enmCmd));
286
287	int rc = -1;
288	switch (enmCmd)
289	{
290	case DDI_ATTACH:
291	{
292	gld_mac_info_t *pMacInfo = gld_mac_alloc(pDip);
293	if (pMacInfo)
294	{
295	vboxnetadp_state_t *pState = RTMemAllocZ(sizeof(vboxnetadp_state_t));
296	if (pState)
297	{
298	pState->pDip = pDip;
299
300	/*
301	* Setup GLD MAC layer registeration info.
302	*/
303	pMacInfo->gldm_reset = vboxNetAdpSolarisStub;
304	pMacInfo->gldm_start = vboxNetAdpSolarisStub;
305	pMacInfo->gldm_stop = vboxNetAdpSolarisStub;
306	pMacInfo->gldm_set_mac_addr = vboxNetAdpSolarisSetMacAddress;
307	pMacInfo->gldm_set_multicast = vboxNetAdpSolarisSetMulticast;
308	pMacInfo->gldm_set_promiscuous = vboxNetAdpSolarisSetPromisc;
309	pMacInfo->gldm_send = vboxNetAdpSolarisSend;
310	pMacInfo->gldm_intr = NULL;
311	pMacInfo->gldm_get_stats = NULL;
312	pMacInfo->gldm_ioctl = NULL;
313	pMacInfo->gldm_ident = DEVICE_NAME;
314	pMacInfo->gldm_type = DL_ETHER;
315	pMacInfo->gldm_minpkt = 0;
316	pMacInfo->gldm_maxpkt = VBOXNETADP_MTU;
317
318	AssertCompile(sizeof(RTMAC) == ETHERADDRL);
319
320	pMacInfo->gldm_addrlen = ETHERADDRL;
321	pMacInfo->gldm_saplen = -2;
322	pMacInfo->gldm_broadcast_addr = achBroadcastAddr;
323	pMacInfo->gldm_ppa = ddi_get_instance(pState->pDip);
324	pMacInfo->gldm_devinfo = pState->pDip;
325	pMacInfo->gldm_private = (caddr_t)pState;
326
327	/*
328	* We use a semi-random MAC addresses similar to a guest NIC's MAC address
329	* as the default factory address of the interface.
330	*/
331	rc = vboxNetAdpSolarisGenerateMac(&pState->FactoryMac);
332	if (RT_SUCCESS(rc))
333	{
334	bcopy(&pState->FactoryMac, &pState->CurrentMac, sizeof(RTMAC));
335	pMacInfo->gldm_vendor_addr = (unsigned char *)&pState->FactoryMac;
336
337	/*
338	* Now try registering our GLD with the MAC layer.
339	* Registeration can fail on some S10 versions when the MTU size is more than 1500.
340	* When we implement jumbo frames we should probably retry with MTU 1500 for S10.
341	*/
342	rc = gld_register(pDip, (char *)ddi_driver_name(pDip), pMacInfo);
343	if (rc == DDI_SUCCESS)
344	{
345	ddi_report_dev(pDip);
346	return DDI_SUCCESS;
347	}
348	else
349	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to register GLD. rc=%d\n", rc));
350	}
351	else
352	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to generate mac address.rc=%d\n"));
353
354	RTMemFree(pState);
355	}
356	else
357	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to alloc state.\n"));
358
359	gld_mac_free(pMacInfo);
360	}
361	else
362	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisAttach failed to alloc mac structure.\n"));
363	return DDI_FAILURE;
364	}
365
366	case DDI_RESUME:
367	{
368	/* Nothing to do here... */
369	return DDI_SUCCESS;
370	}
371	}
372	return DDI_FAILURE;
373	}
374
375
376	/**
377	* Detach entry point, to detach a device to the system or suspend it.
378	*
379	* @param pDip The module structure instance.
380	* @param enmCmd Operation type (detach/suspend).
381	*
382	* @returns corresponding solaris error code.
383	*/
384	static int VBoxNetAdpSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
385	{
386	LogFlow((DEVICE_NAME ":VBoxNetAdpSolarisDetach pDip=%p enmCmd=%d\n", pDip, enmCmd));
387
388	switch (enmCmd)
389	{
390	case DDI_DETACH:
391	{
392	/*
393	* Unregister and clean up.
394	*/
395	gld_mac_info_t *pMacInfo = ddi_get_driver_private(pDip);
396	if (pMacInfo)
397	{
398	vboxnetadp_state_t pState = (vboxnetadp_state_t )pMacInfo->gldm_private;
399	if (pState)
400	{
401	int rc = gld_unregister(pMacInfo);
402	if (rc == DDI_SUCCESS)
403	{
404	gld_mac_free(pMacInfo);
405	RTMemFree(pState);
406	return DDI_SUCCESS;
407	}
408	else
409	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to unregister GLD from MAC layer.rc=%d\n", rc));
410	}
411	else
412	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get internal state.\n"));
413	}
414	else
415	LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get driver private GLD data.\n"));
416
417	return DDI_FAILURE;
418	}
419
420	case DDI_RESUME:
421	{
422	/* Nothing to do here... */
423	return DDI_SUCCESS;
424	}
425	}
426	return DDI_FAILURE;
427	}
428
429
430	static int vboxNetAdpSolarisGenerateMac(PRTMAC pMac)
431	{
432	pMac->au8[0] = 0x08;
433	pMac->au8[1] = 0x00;
434	pMac->au8[2] = 0x27;
435	RTRandBytes(&pMac->au8[3], 3);
436	LogFlow((DEVICE_NAME ":VBoxNetAdpSolarisGenerateMac Generated %.*Rhxs\n", sizeof(RTMAC), &pMac));
437	return VINF_SUCCESS;
438	}
439
440
441	static int vboxNetAdpSolarisSetMacAddress(gld_mac_info_t pMacInfo, unsigned char pszMacAddr)
442	{
443	vboxnetadp_state_t pState = (vboxnetadp_state_t )pMacInfo->gldm_private;
444	if (pState)
445	{
446	bcopy(pszMacAddr, &pState->CurrentMac, sizeof(RTMAC));
447	LogFlow((DEVICE_NAME ":vboxNetAdpSolarisSetMacAddress updated MAC %.*Rhxs\n", sizeof(RTMAC), &pState->CurrentMac));
448	return GLD_SUCCESS;
449	}
450	else
451	LogRel((DEVICE_NAME ":vboxNetAdpSolarisSetMacAddress failed to get internal state.\n"));
452	return GLD_FAILURE;
453	}
454
455
456	static int vboxNetAdpSolarisSend(gld_mac_info_t pMacInfo, mblk_t pMsg)
457	{
458	freemsg(pMsg);
459	return GLD_SUCCESS;
460	}
461
462
463	static int vboxNetAdpSolarisStub(gld_mac_info_t *pMacInfo)
464	{
465	return GLD_SUCCESS;
466	}
467
468
469	static int vboxNetAdpSolarisSetMulticast(gld_mac_info_t pMacInfo, unsigned char pMulticastAddr, int fMulticast)
470	{
471	return GLD_SUCCESS;
472	}
473
474
475	static int vboxNetAdpSolarisSetPromisc(gld_mac_info_t *pMacInfo, int fPromisc)
476	{
477	/* Host requesting promiscuous intnet connection... */
478	return GLD_SUCCESS;
479	}
480

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

source: vbox/trunk/src/VBox/HostDrivers/VBoxNetAdp/solaris/VBoxNetAdp-solaris.c@ 23636

Download in other formats: