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[mirror_ubuntu-artful-kernel.git] / drivers / staging / rt2860 / usb_main_dev.c
1 /*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************/
26
27 #include "rt_config.h"
28
29 /* Following information will be show when you run 'modinfo' */
30 /* *** If you have a solution for the bug in current version of driver, please mail to me. */
31 /* Otherwise post to forum in ralinktech's web site(www.ralinktech.com) and let all users help you. *** */
32 MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>");
33 MODULE_DESCRIPTION("RT2870/RT3070 Wireless Lan Linux Driver");
34 MODULE_LICENSE("GPL");
35 #ifdef MODULE_VERSION
36 MODULE_VERSION(STA_DRIVER_VERSION);
37 #endif
38
39 /* module table */
40 struct usb_device_id rtusb_usb_id[] = {
41 #ifdef RT2870
42 {USB_DEVICE(0x148F, 0x2770)}, /* Ralink */
43 {USB_DEVICE(0x148F, 0x2870)}, /* Ralink */
44 {USB_DEVICE(0x07B8, 0x2870)}, /* AboCom */
45 {USB_DEVICE(0x07B8, 0x2770)}, /* AboCom */
46 {USB_DEVICE(0x0DF6, 0x0039)}, /* Sitecom 2770 */
47 {USB_DEVICE(0x0DF6, 0x003F)}, /* Sitecom 2770 */
48 {USB_DEVICE(0x083A, 0x7512)}, /* Arcadyan 2770 */
49 {USB_DEVICE(0x0789, 0x0162)}, /* Logitec 2870 */
50 {USB_DEVICE(0x0789, 0x0163)}, /* Logitec 2870 */
51 {USB_DEVICE(0x0789, 0x0164)}, /* Logitec 2870 */
52 {USB_DEVICE(0x177f, 0x0302)}, /* lsusb */
53 {USB_DEVICE(0x0B05, 0x1731)}, /* Asus */
54 {USB_DEVICE(0x0B05, 0x1732)}, /* Asus */
55 {USB_DEVICE(0x0B05, 0x1742)}, /* Asus */
56 {USB_DEVICE(0x0DF6, 0x0017)}, /* Sitecom */
57 {USB_DEVICE(0x0DF6, 0x002B)}, /* Sitecom */
58 {USB_DEVICE(0x0DF6, 0x002C)}, /* Sitecom */
59 {USB_DEVICE(0x0DF6, 0x002D)}, /* Sitecom */
60 {USB_DEVICE(0x14B2, 0x3C06)}, /* Conceptronic */
61 {USB_DEVICE(0x14B2, 0x3C28)}, /* Conceptronic */
62 {USB_DEVICE(0x2019, 0xED06)}, /* Planex Communications, Inc. */
63 {USB_DEVICE(0x07D1, 0x3C09)}, /* D-Link */
64 {USB_DEVICE(0x07D1, 0x3C11)}, /* D-Link */
65 {USB_DEVICE(0x14B2, 0x3C07)}, /* AL */
66 {USB_DEVICE(0x050D, 0x8053)}, /* Belkin */
67 {USB_DEVICE(0x050D, 0x825B)}, /* Belkin */
68 {USB_DEVICE(0x050D, 0x935A)}, /* Belkin F6D4050 v1 */
69 {USB_DEVICE(0x050D, 0x935B)}, /* Belkin F6D4050 v2 */
70 {USB_DEVICE(0x14B2, 0x3C23)}, /* Airlink */
71 {USB_DEVICE(0x14B2, 0x3C27)}, /* Airlink */
72 {USB_DEVICE(0x07AA, 0x002F)}, /* Corega */
73 {USB_DEVICE(0x07AA, 0x003C)}, /* Corega */
74 {USB_DEVICE(0x07AA, 0x003F)}, /* Corega */
75 {USB_DEVICE(0x1044, 0x800B)}, /* Gigabyte */
76 {USB_DEVICE(0x15A9, 0x0006)}, /* Sparklan */
77 {USB_DEVICE(0x083A, 0xB522)}, /* SMC */
78 {USB_DEVICE(0x083A, 0xA618)}, /* SMC */
79 {USB_DEVICE(0x083A, 0x8522)}, /* Arcadyan */
80 {USB_DEVICE(0x083A, 0x7522)}, /* Arcadyan */
81 {USB_DEVICE(0x0CDE, 0x0022)}, /* ZCOM */
82 {USB_DEVICE(0x0586, 0x3416)}, /* Zyxel */
83 {USB_DEVICE(0x0586, 0x341a)}, /* Zyxel NWD-270N */
84 {USB_DEVICE(0x0CDE, 0x0025)}, /* Zyxel */
85 {USB_DEVICE(0x1740, 0x9701)}, /* EnGenius */
86 {USB_DEVICE(0x1740, 0x9702)}, /* EnGenius */
87 {USB_DEVICE(0x0471, 0x200f)}, /* Philips */
88 {USB_DEVICE(0x14B2, 0x3C25)}, /* Draytek */
89 {USB_DEVICE(0x13D3, 0x3247)}, /* AzureWave */
90 {USB_DEVICE(0x083A, 0x6618)}, /* Accton */
91 {USB_DEVICE(0x15c5, 0x0008)}, /* Amit */
92 {USB_DEVICE(0x0E66, 0x0001)}, /* Hawking */
93 {USB_DEVICE(0x0E66, 0x0003)}, /* Hawking */
94 {USB_DEVICE(0x129B, 0x1828)}, /* Siemens */
95 {USB_DEVICE(0x157E, 0x300E)}, /* U-Media */
96 {USB_DEVICE(0x050d, 0x805c)},
97 {USB_DEVICE(0x050d, 0x815c)},
98 {USB_DEVICE(0x1482, 0x3C09)}, /* Abocom */
99 {USB_DEVICE(0x14B2, 0x3C09)}, /* Alpha */
100 {USB_DEVICE(0x04E8, 0x2018)}, /* samsung linkstick2 */
101 {USB_DEVICE(0x1690, 0x0740)}, /* Askey */
102 {USB_DEVICE(0x5A57, 0x0280)}, /* Zinwell */
103 {USB_DEVICE(0x5A57, 0x0282)}, /* Zinwell */
104 {USB_DEVICE(0x7392, 0x7718)},
105 {USB_DEVICE(0x7392, 0x7717)},
106 {USB_DEVICE(0x0411, 0x016f)}, /* MelCo.,Inc. WLI-UC-G301N */
107 {USB_DEVICE(0x1737, 0x0070)}, /* Linksys WUSB100 */
108 {USB_DEVICE(0x1737, 0x0071)}, /* Linksys WUSB600N */
109 {USB_DEVICE(0x0411, 0x00e8)}, /* Buffalo WLI-UC-G300N */
110 {USB_DEVICE(0x050d, 0x815c)}, /* Belkin F5D8053 */
111 {USB_DEVICE(0x100D, 0x9031)}, /* Motorola 2770 */
112 #endif /* RT2870 // */
113 #ifdef RT3070
114 {USB_DEVICE(0x148F, 0x3070)}, /* Ralink 3070 */
115 {USB_DEVICE(0x148F, 0x3071)}, /* Ralink 3071 */
116 {USB_DEVICE(0x148F, 0x3072)}, /* Ralink 3072 */
117 {USB_DEVICE(0x0DB0, 0x3820)}, /* Ralink 3070 */
118 {USB_DEVICE(0x0DB0, 0x871C)}, /* Ralink 3070 */
119 {USB_DEVICE(0x0DB0, 0x822C)}, /* Ralink 3070 */
120 {USB_DEVICE(0x0DB0, 0x871B)}, /* Ralink 3070 */
121 {USB_DEVICE(0x0DB0, 0x822B)}, /* Ralink 3070 */
122 {USB_DEVICE(0x0DF6, 0x003E)}, /* Sitecom 3070 */
123 {USB_DEVICE(0x0DF6, 0x0042)}, /* Sitecom 3072 */
124 {USB_DEVICE(0x0DF6, 0x0048)}, /* Sitecom 3070 */
125 {USB_DEVICE(0x0DF6, 0x0047)}, /* Sitecom 3071 */
126 {USB_DEVICE(0x14B2, 0x3C12)}, /* AL 3070 */
127 {USB_DEVICE(0x18C5, 0x0012)}, /* Corega 3070 */
128 {USB_DEVICE(0x083A, 0x7511)}, /* Arcadyan 3070 */
129 {USB_DEVICE(0x083A, 0xA701)}, /* SMC 3070 */
130 {USB_DEVICE(0x083A, 0xA702)}, /* SMC 3072 */
131 {USB_DEVICE(0x1740, 0x9703)}, /* EnGenius 3070 */
132 {USB_DEVICE(0x1740, 0x9705)}, /* EnGenius 3071 */
133 {USB_DEVICE(0x1740, 0x9706)}, /* EnGenius 3072 */
134 {USB_DEVICE(0x1740, 0x9707)}, /* EnGenius 3070 */
135 {USB_DEVICE(0x1740, 0x9708)}, /* EnGenius 3071 */
136 {USB_DEVICE(0x1740, 0x9709)}, /* EnGenius 3072 */
137 {USB_DEVICE(0x13D3, 0x3273)}, /* AzureWave 3070 */
138 {USB_DEVICE(0x13D3, 0x3305)}, /* AzureWave 3070*/
139 {USB_DEVICE(0x1044, 0x800D)}, /* Gigabyte GN-WB32L 3070 */
140 {USB_DEVICE(0x2019, 0xAB25)}, /* Planex Communications, Inc. RT3070 */
141 {USB_DEVICE(0x07B8, 0x3070)}, /* AboCom 3070 */
142 {USB_DEVICE(0x07B8, 0x3071)}, /* AboCom 3071 */
143 {USB_DEVICE(0x07B8, 0x3072)}, /* Abocom 3072 */
144 {USB_DEVICE(0x7392, 0x7711)}, /* Edimax 3070 */
145 {USB_DEVICE(0x1A32, 0x0304)}, /* Quanta 3070 */
146 {USB_DEVICE(0x1EDA, 0x2310)}, /* AirTies 3070 */
147 {USB_DEVICE(0x07D1, 0x3C0A)}, /* D-Link 3072 */
148 {USB_DEVICE(0x07D1, 0x3C0D)}, /* D-Link 3070 */
149 {USB_DEVICE(0x07D1, 0x3C0E)}, /* D-Link 3070 */
150 {USB_DEVICE(0x07D1, 0x3C0F)}, /* D-Link 3070 */
151 {USB_DEVICE(0x07D1, 0x3C16)}, /* D-Link 3070 */
152 {USB_DEVICE(0x07D1, 0x3C17)}, /* D-Link 8070 */
153 {USB_DEVICE(0x1D4D, 0x000C)}, /* Pegatron Corporation 3070 */
154 {USB_DEVICE(0x1D4D, 0x000E)}, /* Pegatron Corporation 3070 */
155 {USB_DEVICE(0x5A57, 0x5257)}, /* Zinwell 3070 */
156 {USB_DEVICE(0x5A57, 0x0283)}, /* Zinwell 3072 */
157 {USB_DEVICE(0x04BB, 0x0945)}, /* I-O DATA 3072 */
158 {USB_DEVICE(0x04BB, 0x0947)}, /* I-O DATA 3070 */
159 {USB_DEVICE(0x04BB, 0x0948)}, /* I-O DATA 3072 */
160 {USB_DEVICE(0x203D, 0x1480)}, /* Encore 3070 */
161 {USB_DEVICE(0x20B8, 0x8888)}, /* PARA INDUSTRIAL 3070 */
162 {USB_DEVICE(0x0B05, 0x1784)}, /* Asus 3072 */
163 {USB_DEVICE(0x203D, 0x14A9)}, /* Encore 3070*/
164 {USB_DEVICE(0x0DB0, 0x899A)}, /* MSI 3070*/
165 {USB_DEVICE(0x0DB0, 0x3870)}, /* MSI 3070*/
166 {USB_DEVICE(0x0DB0, 0x870A)}, /* MSI 3070*/
167 {USB_DEVICE(0x0DB0, 0x6899)}, /* MSI 3070 */
168 {USB_DEVICE(0x0DB0, 0x3822)}, /* MSI 3070 */
169 {USB_DEVICE(0x0DB0, 0x3871)}, /* MSI 3070 */
170 {USB_DEVICE(0x0DB0, 0x871A)}, /* MSI 3070 */
171 {USB_DEVICE(0x0DB0, 0x822A)}, /* MSI 3070 */
172 {USB_DEVICE(0x0DB0, 0x3821)}, /* Ralink 3070 */
173 {USB_DEVICE(0x0DB0, 0x821A)}, /* Ralink 3070 */
174 {USB_DEVICE(0x083A, 0xA703)}, /* IO-MAGIC */
175 {USB_DEVICE(0x13D3, 0x3307)}, /* Azurewave */
176 {USB_DEVICE(0x13D3, 0x3321)}, /* Azurewave */
177 {USB_DEVICE(0x07FA, 0x7712)}, /* Edimax */
178 {USB_DEVICE(0x0789, 0x0166)}, /* Edimax */
179 {USB_DEVICE(0x148F, 0x2070)}, /* Edimax */
180 #endif /* RT3070 // */
181 {USB_DEVICE(0x1737, 0x0077)}, /* Linksys WUSB54GC-EU v3 */
182 {USB_DEVICE(0x2001, 0x3C09)}, /* D-Link */
183 {USB_DEVICE(0x2001, 0x3C0A)}, /* D-Link 3072 */
184 {USB_DEVICE(0x2019, 0xED14)}, /* Planex Communications, Inc. */
185 {} /* Terminating entry */
186 };
187
188 int const rtusb_usb_id_len =
189 sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);
190
191 MODULE_DEVICE_TABLE(usb, rtusb_usb_id);
192
193 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd);
194
195 static int __devinit rt2870_probe(IN struct usb_interface *intf,
196 IN struct usb_device *usb_dev,
197 IN const struct usb_device_id *dev_id,
198 struct rt_rtmp_adapter **ppAd);
199
200 #ifndef PF_NOFREEZE
201 #define PF_NOFREEZE 0
202 #endif
203
204 extern int rt28xx_close(IN struct net_device *net_dev);
205 extern int rt28xx_open(struct net_device *net_dev);
206
207 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
208 IN struct usb_interface *intf,
209 struct rt_rtmp_adapter *pAd);
210
211 /*
212 ========================================================================
213 Routine Description:
214 Check the chipset vendor/product ID.
215
216 Arguments:
217 _dev_p Point to the PCI or USB device
218
219 Return Value:
220 TRUE Check ok
221 FALSE Check fail
222
223 Note:
224 ========================================================================
225 */
226 BOOLEAN RT28XXChipsetCheck(IN void *_dev_p)
227 {
228 struct usb_interface *intf = (struct usb_interface *)_dev_p;
229 struct usb_device *dev_p = interface_to_usbdev(intf);
230 u32 i;
231
232 for (i = 0; i < rtusb_usb_id_len; i++) {
233 if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
234 dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct) {
235 printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
236 dev_p->descriptor.idVendor,
237 dev_p->descriptor.idProduct);
238 break;
239 }
240 }
241
242 if (i == rtusb_usb_id_len) {
243 printk("rt2870: Error! Device Descriptor not matching!\n");
244 return FALSE;
245 }
246
247 return TRUE;
248 }
249
250 /**************************************************************************/
251 /**************************************************************************/
252 /*tested for kernel 2.6series */
253 /**************************************************************************/
254 /**************************************************************************/
255
256 #ifdef CONFIG_PM
257 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
258 static int rt2870_resume(struct usb_interface *intf);
259 #endif /* CONFIG_PM // */
260
261 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
262 IN struct usb_interface *intf,
263 struct rt_rtmp_adapter *pAd)
264 {
265 struct usb_host_interface *iface_desc;
266 unsigned long BulkOutIdx;
267 u32 i;
268
269 /* get the active interface descriptor */
270 iface_desc = intf->cur_altsetting;
271
272 /* get # of enpoints */
273 pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
274 DBGPRINT(RT_DEBUG_TRACE,
275 ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));
276
277 /* Configure Pipes */
278 BulkOutIdx = 0;
279
280 for (i = 0; i < pAd->NumberOfPipes; i++) {
281 if ((iface_desc->endpoint[i].desc.bmAttributes ==
282 USB_ENDPOINT_XFER_BULK) &&
283 ((iface_desc->endpoint[i].desc.bEndpointAddress &
284 USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)) {
285 pAd->BulkInEpAddr =
286 iface_desc->endpoint[i].desc.bEndpointAddress;
287 pAd->BulkInMaxPacketSize =
288 le2cpu16(iface_desc->endpoint[i].desc.
289 wMaxPacketSize);
290
291 DBGPRINT_RAW(RT_DEBUG_TRACE,
292 ("BULK IN MaxPacketSize = %d\n",
293 pAd->BulkInMaxPacketSize));
294 DBGPRINT_RAW(RT_DEBUG_TRACE,
295 ("EP address = 0x%2x\n",
296 iface_desc->endpoint[i].desc.
297 bEndpointAddress));
298 } else
299 if ((iface_desc->endpoint[i].desc.bmAttributes ==
300 USB_ENDPOINT_XFER_BULK)
301 &&
302 ((iface_desc->endpoint[i].desc.
303 bEndpointAddress & USB_ENDPOINT_DIR_MASK) ==
304 USB_DIR_OUT)) {
305 /* there are 6 bulk out EP. EP6 highest priority. */
306 /* EP1-4 is EDCA. EP5 is HCCA. */
307 pAd->BulkOutEpAddr[BulkOutIdx++] =
308 iface_desc->endpoint[i].desc.bEndpointAddress;
309 pAd->BulkOutMaxPacketSize =
310 le2cpu16(iface_desc->endpoint[i].desc.
311 wMaxPacketSize);
312
313 DBGPRINT_RAW(RT_DEBUG_TRACE,
314 ("BULK OUT MaxPacketSize = %d\n",
315 pAd->BulkOutMaxPacketSize));
316 DBGPRINT_RAW(RT_DEBUG_TRACE,
317 ("EP address = 0x%2x \n",
318 iface_desc->endpoint[i].desc.
319 bEndpointAddress));
320 }
321 }
322
323 if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) {
324 printk
325 ("%s: Could not find both bulk-in and bulk-out endpoints\n",
326 __FUNCTION__);
327 return FALSE;
328 }
329
330 pAd->config = &dev->config->desc;
331 usb_set_intfdata(intf, pAd);
332
333 return TRUE;
334
335 }
336
337 static int __devinit rtusb_probe(struct usb_interface *intf,
338 const struct usb_device_id *id)
339 {
340 struct rt_rtmp_adapter *pAd;
341 struct usb_device *dev;
342 int rv;
343
344 dev = interface_to_usbdev(intf);
345 dev = usb_get_dev(dev);
346
347 rv = rt2870_probe(intf, dev, id, &pAd);
348 if (rv != 0)
349 usb_put_dev(dev);
350
351 return rv;
352 }
353
354 static void rtusb_disconnect(struct usb_interface *intf)
355 {
356 struct usb_device *dev = interface_to_usbdev(intf);
357 struct rt_rtmp_adapter *pAd;
358
359 pAd = usb_get_intfdata(intf);
360 usb_set_intfdata(intf, NULL);
361
362 rt2870_disconnect(dev, pAd);
363 }
364
365 struct usb_driver rtusb_driver = {
366 .name = "rt2870",
367 .probe = rtusb_probe,
368 .disconnect = rtusb_disconnect,
369 .id_table = rtusb_usb_id,
370
371 #ifdef CONFIG_PM
372 suspend:rt2870_suspend,
373 resume:rt2870_resume,
374 #endif
375 };
376
377 #ifdef CONFIG_PM
378
379 void RT2870RejectPendingPackets(struct rt_rtmp_adapter *pAd)
380 {
381 /* clear PS packets */
382 /* clear TxSw packets */
383 }
384
385 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state)
386 {
387 struct net_device *net_dev;
388 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
389
390 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
391 net_dev = pAd->net_dev;
392 netif_device_detach(net_dev);
393
394 pAd->PM_FlgSuspend = 1;
395 if (netif_running(net_dev)) {
396 RTUSBCancelPendingBulkInIRP(pAd);
397 RTUSBCancelPendingBulkOutIRP(pAd);
398 }
399 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
400 return 0;
401 }
402
403 static int rt2870_resume(struct usb_interface *intf)
404 {
405 struct net_device *net_dev;
406 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf);
407
408 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));
409
410 pAd->PM_FlgSuspend = 0;
411 net_dev = pAd->net_dev;
412 netif_device_attach(net_dev);
413 netif_start_queue(net_dev);
414 netif_carrier_on(net_dev);
415 netif_wake_queue(net_dev);
416
417 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
418 return 0;
419 }
420 #endif /* CONFIG_PM // */
421
422 /* Init driver module */
423 int __init rtusb_init(void)
424 {
425 printk("rtusb init --->\n");
426 return usb_register(&rtusb_driver);
427 }
428
429 /* Deinit driver module */
430 void __exit rtusb_exit(void)
431 {
432 usb_deregister(&rtusb_driver);
433 printk("<--- rtusb exit\n");
434 }
435
436 module_init(rtusb_init);
437 module_exit(rtusb_exit);
438
439 /*--------------------------------------------------------------------- */
440 /* function declarations */
441 /*--------------------------------------------------------------------- */
442
443 /*
444 ========================================================================
445 Routine Description:
446 MLME kernel thread.
447
448 Arguments:
449 *Context the pAd, driver control block pointer
450
451 Return Value:
452 0 close the thread
453
454 Note:
455 ========================================================================
456 */
457 int MlmeThread(IN void *Context)
458 {
459 struct rt_rtmp_adapter *pAd;
460 struct rt_rtmp_os_task *pTask;
461 int status;
462 status = 0;
463
464 pTask = Context;
465 pAd = pTask->priv;
466
467 RtmpOSTaskCustomize(pTask);
468
469 while (!pTask->task_killed) {
470 #ifdef KTHREAD_SUPPORT
471 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
472 #else
473 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
474
475 /* unlock the device pointers */
476 if (status != 0) {
477 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
478 break;
479 }
480 #endif
481
482 /* lock the device pointers , need to check if required */
483 /*down(&(pAd->usbdev_semaphore)); */
484
485 if (!pAd->PM_FlgSuspend)
486 MlmeHandler(pAd);
487 }
488
489 /* notify the exit routine that we're actually exiting now
490 *
491 * complete()/wait_for_completion() is similar to up()/down(),
492 * except that complete() is safe in the case where the structure
493 * is getting deleted in a parallel mode of execution (i.e. just
494 * after the down() -- that's necessary for the thread-shutdown
495 * case.
496 *
497 * complete_and_exit() goes even further than this -- it is safe in
498 * the case that the thread of the caller is going away (not just
499 * the structure) -- this is necessary for the module-remove case.
500 * This is important in preemption kernels, which transfer the flow
501 * of execution immediately upon a complete().
502 */
503 DBGPRINT(RT_DEBUG_TRACE, ("<---%s\n", __FUNCTION__));
504 #ifndef KTHREAD_SUPPORT
505 pTask->taskPID = THREAD_PID_INIT_VALUE;
506 complete_and_exit(&pTask->taskComplete, 0);
507 #endif
508 return 0;
509
510 }
511
512 /*
513 ========================================================================
514 Routine Description:
515 USB command kernel thread.
516
517 Arguments:
518 *Context the pAd, driver control block pointer
519
520 Return Value:
521 0 close the thread
522
523 Note:
524 ========================================================================
525 */
526 int RTUSBCmdThread(IN void *Context)
527 {
528 struct rt_rtmp_adapter *pAd;
529 struct rt_rtmp_os_task *pTask;
530 int status;
531 status = 0;
532
533 pTask = Context;
534 pAd = pTask->priv;
535
536 RtmpOSTaskCustomize(pTask);
537
538 NdisAcquireSpinLock(&pAd->CmdQLock);
539 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_RUNNING;
540 NdisReleaseSpinLock(&pAd->CmdQLock);
541
542 while (pAd && pAd->CmdQ.CmdQState == RTMP_TASK_STAT_RUNNING) {
543 #ifdef KTHREAD_SUPPORT
544 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask);
545 #else
546 /* lock the device pointers */
547 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status);
548
549 if (status != 0) {
550 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
551 break;
552 }
553 #endif
554
555 if (pAd->CmdQ.CmdQState == RTMP_TASK_STAT_STOPED)
556 break;
557
558 if (!pAd->PM_FlgSuspend)
559 CMDHandler(pAd);
560 }
561
562 if (pAd && !pAd->PM_FlgSuspend) { /* Clear the CmdQElements. */
563 struct rt_cmdqelmt *pCmdQElmt = NULL;
564
565 NdisAcquireSpinLock(&pAd->CmdQLock);
566 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_STOPED;
567 while (pAd->CmdQ.size) {
568 RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt);
569 if (pCmdQElmt) {
570 if (pCmdQElmt->CmdFromNdis == TRUE) {
571 if (pCmdQElmt->buffer != NULL)
572 os_free_mem(pAd,
573 pCmdQElmt->buffer);
574 os_free_mem(pAd, (u8 *)pCmdQElmt);
575 } else {
576 if ((pCmdQElmt->buffer != NULL)
577 && (pCmdQElmt->bufferlength != 0))
578 os_free_mem(pAd,
579 pCmdQElmt->buffer);
580 os_free_mem(pAd, (u8 *)pCmdQElmt);
581 }
582 }
583 }
584
585 NdisReleaseSpinLock(&pAd->CmdQLock);
586 }
587 /* notify the exit routine that we're actually exiting now
588 *
589 * complete()/wait_for_completion() is similar to up()/down(),
590 * except that complete() is safe in the case where the structure
591 * is getting deleted in a parallel mode of execution (i.e. just
592 * after the down() -- that's necessary for the thread-shutdown
593 * case.
594 *
595 * complete_and_exit() goes even further than this -- it is safe in
596 * the case that the thread of the caller is going away (not just
597 * the structure) -- this is necessary for the module-remove case.
598 * This is important in preemption kernels, which transfer the flow
599 * of execution immediately upon a complete().
600 */
601 DBGPRINT(RT_DEBUG_TRACE, ("<---RTUSBCmdThread\n"));
602
603 #ifndef KTHREAD_SUPPORT
604 pTask->taskPID = THREAD_PID_INIT_VALUE;
605 complete_and_exit(&pTask->taskComplete, 0);
606 #endif
607 return 0;
608
609 }
610
611 void RTUSBWatchDog(struct rt_rtmp_adapter *pAd)
612 {
613 struct rt_ht_tx_context *pHTTXContext;
614 int idx;
615 unsigned long irqFlags;
616 PURB pUrb;
617 BOOLEAN needDumpSeq = FALSE;
618 u32 MACValue;
619 u32 TxRxQ_Pcnt;
620
621 idx = 0;
622 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
623 if ((MACValue & 0xff) != 0) {
624 DBGPRINT(RT_DEBUG_TRACE,
625 ("TX QUEUE 0 Not EMPTY(Value=0x%0x)!\n",
626 MACValue));
627 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012);
628 while ((MACValue & 0xff) != 0 && (idx++ < 10)) {
629 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
630 RTMPusecDelay(1);
631 }
632 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
633 }
634
635 if (pAd->watchDogRxOverFlowCnt >= 2) {
636 DBGPRINT(RT_DEBUG_TRACE,
637 ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n"));
638 if ((!RTMP_TEST_FLAG
639 (pAd,
640 (fRTMP_ADAPTER_RESET_IN_PROGRESS |
641 fRTMP_ADAPTER_BULKIN_RESET |
642 fRTMP_ADAPTER_HALT_IN_PROGRESS |
643 fRTMP_ADAPTER_NIC_NOT_EXIST)))) {
644 DBGPRINT(RT_DEBUG_TRACE,
645 ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n"));
646 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
647 RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN,
648 NULL, 0);
649 needDumpSeq = TRUE;
650 }
651 pAd->watchDogRxOverFlowCnt = 0;
652 }
653
654 RTUSBReadMACRegister(pAd, 0x438, &TxRxQ_Pcnt);
655
656 for (idx = 0; idx < NUM_OF_TX_RING; idx++) {
657 pUrb = NULL;
658
659 RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags);
660 if ((pAd->BulkOutPending[idx] == TRUE)
661 && pAd->watchDogTxPendingCnt) {
662 int actual_length = 0, transfer_buffer_length = 0;
663 BOOLEAN isDataPacket = FALSE;
664 pAd->watchDogTxPendingCnt[idx]++;
665
666 if ((pAd->watchDogTxPendingCnt[idx] > 2) &&
667 (!RTMP_TEST_FLAG
668 (pAd,
669 (fRTMP_ADAPTER_RESET_IN_PROGRESS |
670 fRTMP_ADAPTER_HALT_IN_PROGRESS |
671 fRTMP_ADAPTER_NIC_NOT_EXIST |
672 fRTMP_ADAPTER_BULKOUT_RESET)))
673 ) {
674 /* FIXME: Following code just support single bulk out. If you wanna support multiple bulk out. Modify it! */
675 pHTTXContext =
676 (struct rt_ht_tx_context *)(&pAd->TxContext[idx]);
677 if (pHTTXContext->IRPPending) { /* Check TxContext. */
678 pUrb = pHTTXContext->pUrb;
679
680 actual_length = pUrb->actual_length;
681 transfer_buffer_length =
682 pUrb->transfer_buffer_length;
683 isDataPacket = TRUE;
684 } else if (idx == MGMTPIPEIDX) {
685 struct rt_tx_context *pMLMEContext, *pNULLContext,
686 *pPsPollContext;
687
688 /*Check MgmtContext. */
689 pMLMEContext =
690 (struct rt_tx_context *)(pAd->MgmtRing.
691 Cell[pAd->MgmtRing.
692 TxDmaIdx].
693 AllocVa);
694 pPsPollContext =
695 (struct rt_tx_context *)(&pAd->PsPollContext);
696 pNULLContext =
697 (struct rt_tx_context *)(&pAd->NullContext);
698
699 if (pMLMEContext->IRPPending) {
700 ASSERT(pMLMEContext->
701 IRPPending);
702 pUrb = pMLMEContext->pUrb;
703 } else if (pNULLContext->IRPPending) {
704 ASSERT(pNULLContext->
705 IRPPending);
706 pUrb = pNULLContext->pUrb;
707 } else if (pPsPollContext->IRPPending) {
708 ASSERT(pPsPollContext->
709 IRPPending);
710 pUrb = pPsPollContext->pUrb;
711 }
712 }
713
714 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
715 irqFlags);
716
717 printk(KERN_INFO "%d:%lu LTL=%d , TL=%d L:%d\n",
718 idx, pAd->watchDogTxPendingCnt[idx],
719 pAd->TransferedLength[idx],
720 actual_length, transfer_buffer_length);
721
722 if (pUrb) {
723 if ((isDataPacket
724 && pAd->TransferedLength[idx] ==
725 actual_length
726 && pAd->TransferedLength[idx] <
727 transfer_buffer_length
728 && actual_length != 0
729 /* && TxRxQ_Pcnt==0 */
730 && pAd->watchDogTxPendingCnt[idx] >
731 3)
732 || isDataPacket == FALSE
733 || pAd->watchDogTxPendingCnt[idx] >
734 6) {
735 DBGPRINT(RT_DEBUG_TRACE,
736 ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n",
737 idx));
738 DBGPRINT(RT_DEBUG_TRACE,
739 ("Unlink the pending URB!\n"));
740 /* unlink it now */
741 RTUSB_UNLINK_URB(pUrb);
742 /* Sleep 200 microseconds to give cancellation time to work */
743 /*RTMPusecDelay(200); */
744 needDumpSeq = TRUE;
745 }
746 } else {
747 DBGPRINT(RT_DEBUG_ERROR,
748 ("Unknown bulkOut URB maybe hanged!\n"));
749 }
750 } else {
751 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx],
752 irqFlags);
753 }
754
755 if (isDataPacket == TRUE)
756 pAd->TransferedLength[idx] = actual_length;
757 } else {
758 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
759 }
760 }
761
762 /* For Sigma debug, dump the ba_reordering sequence. */
763 if ((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0)) {
764 u16 Idx;
765 struct rt_ba_rec_entry *pBAEntry = NULL;
766 u8 count = 0;
767 struct reordering_mpdu *mpdu_blk;
768
769 Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0];
770
771 pBAEntry = &pAd->BATable.BARecEntry[Idx];
772 if ((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL)) {
773 DBGPRINT(RT_DEBUG_TRACE,
774 ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n"));
775 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
776 mpdu_blk = pBAEntry->list.next;
777 while (mpdu_blk) {
778 DBGPRINT(RT_DEBUG_TRACE,
779 ("\t%d:Seq-%d, bAMSDU-%d!\n", count,
780 mpdu_blk->Sequence,
781 mpdu_blk->bAMSDU));
782 mpdu_blk = mpdu_blk->next;
783 count++;
784 }
785
786 DBGPRINT(RT_DEBUG_TRACE,
787 ("\npBAEntry->LastIndSeq=%d!\n",
788 pBAEntry->LastIndSeq));
789 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
790 }
791 }
792 }
793
794 /*
795 ========================================================================
796 Routine Description:
797 Release allocated resources.
798
799 Arguments:
800 *dev Point to the PCI or USB device
801 pAd driver control block pointer
802
803 Return Value:
804 None
805
806 Note:
807 ========================================================================
808 */
809 static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd)
810 {
811 DBGPRINT(RT_DEBUG_ERROR,
812 ("rtusb_disconnect: unregister usbnet usb-%s-%s\n",
813 dev->bus->bus_name, dev->devpath));
814 if (!pAd) {
815 usb_put_dev(dev);
816 printk("rtusb_disconnect: pAd == NULL!\n");
817 return;
818 }
819 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST);
820
821 /* for debug, wait to show some messages to /proc system */
822 udelay(1);
823
824 RtmpPhyNetDevExit(pAd, pAd->net_dev);
825
826 /* FIXME: Shall we need following delay and flush the schedule?? */
827 udelay(1);
828 flush_scheduled_work();
829 udelay(1);
830
831 /* free the root net_device */
832 RtmpOSNetDevFree(pAd->net_dev);
833
834 RtmpRaDevCtrlExit(pAd);
835
836 /* release a use of the usb device structure */
837 usb_put_dev(dev);
838 udelay(1);
839
840 DBGPRINT(RT_DEBUG_ERROR, (" RTUSB disconnect successfully\n"));
841 }
842
843 static int __devinit rt2870_probe(IN struct usb_interface *intf,
844 IN struct usb_device *usb_dev,
845 IN const struct usb_device_id *dev_id,
846 struct rt_rtmp_adapter **ppAd)
847 {
848 struct net_device *net_dev = NULL;
849 struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)NULL;
850 int status, rv;
851 void *handle;
852 struct rt_rtmp_os_netdev_op_hook netDevHook;
853
854 DBGPRINT(RT_DEBUG_TRACE, ("===>rt2870_probe()!\n"));
855
856 /* Check chipset vendor/product ID */
857 /*if (RT28XXChipsetCheck(_dev_p) == FALSE) */
858 /* goto err_out; */
859
860 /*RtmpDevInit============================================= */
861 /* Allocate struct rt_rtmp_adapter adapter structure */
862 handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
863 if (handle == NULL) {
864 printk
865 ("rt2870_probe(): Allocate memory for os handle failed!\n");
866 return -ENOMEM;
867 }
868 ((struct os_cookie *)handle)->pUsb_Dev = usb_dev;
869
870 rv = RTMPAllocAdapterBlock(handle, &pAd);
871 if (rv != NDIS_STATUS_SUCCESS) {
872 kfree(handle);
873 goto err_out;
874 }
875 /*USBDevInit============================================== */
876 if (USBDevConfigInit(usb_dev, intf, pAd) == FALSE)
877 goto err_out_free_radev;
878
879 RtmpRaDevCtrlInit(pAd, RTMP_DEV_INF_USB);
880
881 /*NetDevInit============================================== */
882 net_dev = RtmpPhyNetDevInit(pAd, &netDevHook);
883 if (net_dev == NULL)
884 goto err_out_free_radev;
885
886 /* Here are the net_device structure with usb specific parameters. */
887 /* for supporting Network Manager.
888 * Set the sysfs physical device reference for the network logical device if set prior to registration will
889 * cause a symlink during initialization.
890 */
891 SET_NETDEV_DEV(net_dev, &(usb_dev->dev));
892
893 pAd->StaCfg.OriDevType = net_dev->type;
894
895 /*All done, it's time to register the net device to linux kernel. */
896 /* Register this device */
897 status = RtmpOSNetDevAttach(net_dev, &netDevHook);
898 if (status != 0)
899 goto err_out_free_netdev;
900
901 #ifdef KTHREAD_SUPPORT
902 init_waitqueue_head(&pAd->mlmeTask.kthread_q);
903 init_waitqueue_head(&pAd->timerTask.kthread_q);
904 init_waitqueue_head(&pAd->cmdQTask.kthread_q);
905 #endif
906
907 *ppAd = pAd;
908
909 DBGPRINT(RT_DEBUG_TRACE, ("<===rt2870_probe()!\n"));
910
911 return 0;
912
913 /* --------------------------- ERROR HANDLE --------------------------- */
914 err_out_free_netdev:
915 RtmpOSNetDevFree(net_dev);
916
917 err_out_free_radev:
918 RTMPFreeAdapter(pAd);
919
920 err_out:
921 *ppAd = NULL;
922
923 return -1;
924
925 }
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