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. *** */ 32MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>"); 33MODULE_DESCRIPTION("RT2870/RT3070 Wireless Lan Linux Driver"); 34MODULE_LICENSE("GPL"); 35#ifdef MODULE_VERSION 36MODULE_VERSION(STA_DRIVER_VERSION); 37#endif 38 39/* module table */ 40struct 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(0x1737, 0x0078)}, /* Linksys WUSB100v2 */ 110 {USB_DEVICE(0x0411, 0x00e8)}, /* Buffalo WLI-UC-G300N */ 111 {USB_DEVICE(0x050d, 0x815c)}, /* Belkin F5D8053 */ 112 {USB_DEVICE(0x100D, 0x9031)}, /* Motorola 2770 */ 113#endif /* RT2870 // */ 114#ifdef RT3070 115 {USB_DEVICE(0x148F, 0x3070)}, /* Ralink 3070 */ 116 {USB_DEVICE(0x148F, 0x3071)}, /* Ralink 3071 */ 117 {USB_DEVICE(0x148F, 0x3072)}, /* Ralink 3072 */ 118 {USB_DEVICE(0x0DB0, 0x3820)}, /* Ralink 3070 */ 119 {USB_DEVICE(0x0DB0, 0x871C)}, /* Ralink 3070 */ 120 {USB_DEVICE(0x0DB0, 0x822C)}, /* Ralink 3070 */ 121 {USB_DEVICE(0x0DB0, 0x871B)}, /* Ralink 3070 */ 122 {USB_DEVICE(0x0DB0, 0x822B)}, /* Ralink 3070 */ 123 {USB_DEVICE(0x0DF6, 0x003E)}, /* Sitecom 3070 */ 124 {USB_DEVICE(0x0DF6, 0x0042)}, /* Sitecom 3072 */ 125 {USB_DEVICE(0x0DF6, 0x0048)}, /* Sitecom 3070 */ 126 {USB_DEVICE(0x0DF6, 0x0047)}, /* Sitecom 3071 */ 127 {USB_DEVICE(0x14B2, 0x3C12)}, /* AL 3070 */ 128 {USB_DEVICE(0x18C5, 0x0012)}, /* Corega 3070 */ 129 {USB_DEVICE(0x083A, 0x7511)}, /* Arcadyan 3070 */ 130 {USB_DEVICE(0x083A, 0xA701)}, /* SMC 3070 */ 131 {USB_DEVICE(0x083A, 0xA702)}, /* SMC 3072 */ 132 {USB_DEVICE(0x1740, 0x9703)}, /* EnGenius 3070 */ 133 {USB_DEVICE(0x1740, 0x9705)}, /* EnGenius 3071 */ 134 {USB_DEVICE(0x1740, 0x9706)}, /* EnGenius 3072 */ 135 {USB_DEVICE(0x1740, 0x9707)}, /* EnGenius 3070 */ 136 {USB_DEVICE(0x1740, 0x9708)}, /* EnGenius 3071 */ 137 {USB_DEVICE(0x1740, 0x9709)}, /* EnGenius 3072 */ 138 {USB_DEVICE(0x13D3, 0x3273)}, /* AzureWave 3070 */ 139 {USB_DEVICE(0x13D3, 0x3305)}, /* AzureWave 3070*/ 140 {USB_DEVICE(0x1044, 0x800D)}, /* Gigabyte GN-WB32L 3070 */ 141 {USB_DEVICE(0x2019, 0xAB25)}, /* Planex Communications, Inc. RT3070 */ 142 {USB_DEVICE(0x07B8, 0x3070)}, /* AboCom 3070 */ 143 {USB_DEVICE(0x07B8, 0x3071)}, /* AboCom 3071 */ 144 {USB_DEVICE(0x07B8, 0x3072)}, /* Abocom 3072 */ 145 {USB_DEVICE(0x7392, 0x7711)}, /* Edimax 3070 */ 146 {USB_DEVICE(0x1A32, 0x0304)}, /* Quanta 3070 */ 147 {USB_DEVICE(0x1EDA, 0x2310)}, /* AirTies 3070 */ 148 {USB_DEVICE(0x07D1, 0x3C0A)}, /* D-Link 3072 */ 149 {USB_DEVICE(0x07D1, 0x3C0D)}, /* D-Link 3070 */ 150 {USB_DEVICE(0x07D1, 0x3C0E)}, /* D-Link 3070 */ 151 {USB_DEVICE(0x07D1, 0x3C0F)}, /* D-Link 3070 */ 152 {USB_DEVICE(0x07D1, 0x3C16)}, /* D-Link 3070 */ 153 {USB_DEVICE(0x07D1, 0x3C17)}, /* D-Link 8070 */ 154 {USB_DEVICE(0x1D4D, 0x000C)}, /* Pegatron Corporation 3070 */ 155 {USB_DEVICE(0x1D4D, 0x000E)}, /* Pegatron Corporation 3070 */ 156 {USB_DEVICE(0x5A57, 0x5257)}, /* Zinwell 3070 */ 157 {USB_DEVICE(0x5A57, 0x0283)}, /* Zinwell 3072 */ 158 {USB_DEVICE(0x04BB, 0x0945)}, /* I-O DATA 3072 */ 159 {USB_DEVICE(0x04BB, 0x0947)}, /* I-O DATA 3070 */ 160 {USB_DEVICE(0x04BB, 0x0948)}, /* I-O DATA 3072 */ 161 {USB_DEVICE(0x203D, 0x1480)}, /* Encore 3070 */ 162 {USB_DEVICE(0x20B8, 0x8888)}, /* PARA INDUSTRIAL 3070 */ 163 {USB_DEVICE(0x0B05, 0x1784)}, /* Asus 3072 */ 164 {USB_DEVICE(0x203D, 0x14A9)}, /* Encore 3070*/ 165 {USB_DEVICE(0x0DB0, 0x899A)}, /* MSI 3070*/ 166 {USB_DEVICE(0x0DB0, 0x3870)}, /* MSI 3070*/ 167 {USB_DEVICE(0x0DB0, 0x870A)}, /* MSI 3070*/ 168 {USB_DEVICE(0x0DB0, 0x6899)}, /* MSI 3070 */ 169 {USB_DEVICE(0x0DB0, 0x3822)}, /* MSI 3070 */ 170 {USB_DEVICE(0x0DB0, 0x3871)}, /* MSI 3070 */ 171 {USB_DEVICE(0x0DB0, 0x871A)}, /* MSI 3070 */ 172 {USB_DEVICE(0x0DB0, 0x822A)}, /* MSI 3070 */ 173 {USB_DEVICE(0x0DB0, 0x3821)}, /* Ralink 3070 */ 174 {USB_DEVICE(0x0DB0, 0x821A)}, /* Ralink 3070 */ 175 {USB_DEVICE(0x083A, 0xA703)}, /* IO-MAGIC */ 176 {USB_DEVICE(0x13D3, 0x3307)}, /* Azurewave */ 177 {USB_DEVICE(0x13D3, 0x3321)}, /* Azurewave */ 178 {USB_DEVICE(0x07FA, 0x7712)}, /* Edimax */ 179 {USB_DEVICE(0x0789, 0x0166)}, /* Edimax */ 180 {USB_DEVICE(0x148F, 0x2070)}, /* Edimax */ 181#endif /* RT3070 // */ 182 {USB_DEVICE(0x1737, 0x0077)}, /* Linksys WUSB54GC-EU v3 */ 183 {USB_DEVICE(0x2001, 0x3C09)}, /* D-Link */ 184 {USB_DEVICE(0x2001, 0x3C0A)}, /* D-Link 3072 */ 185 {USB_DEVICE(0x2019, 0xED14)}, /* Planex Communications, Inc. */ 186 {USB_DEVICE(0x0411, 0x015D)}, /* Buffalo Airstation WLI-UC-GN */ 187 {} /* Terminating entry */ 188}; 189 190int const rtusb_usb_id_len = 191 sizeof(rtusb_usb_id) / sizeof(struct usb_device_id); 192 193MODULE_DEVICE_TABLE(usb, rtusb_usb_id); 194 195static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd); 196 197static int __devinit rt2870_probe(IN struct usb_interface *intf, 198 IN struct usb_device *usb_dev, 199 IN const struct usb_device_id *dev_id, 200 struct rt_rtmp_adapter **ppAd); 201 202#ifndef PF_NOFREEZE 203#define PF_NOFREEZE 0 204#endif 205 206extern int rt28xx_close(IN struct net_device *net_dev); 207extern int rt28xx_open(struct net_device *net_dev); 208 209static BOOLEAN USBDevConfigInit(IN struct usb_device *dev, 210 IN struct usb_interface *intf, 211 struct rt_rtmp_adapter *pAd); 212 213/* 214======================================================================== 215Routine Description: 216 Check the chipset vendor/product ID. 217 218Arguments: 219 _dev_p Point to the PCI or USB device 220 221Return Value: 222 TRUE Check ok 223 FALSE Check fail 224 225Note: 226======================================================================== 227*/ 228BOOLEAN RT28XXChipsetCheck(IN void *_dev_p) 229{ 230 struct usb_interface *intf = (struct usb_interface *)_dev_p; 231 struct usb_device *dev_p = interface_to_usbdev(intf); 232 u32 i; 233 234 for (i = 0; i < rtusb_usb_id_len; i++) { 235 if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor && 236 dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct) { 237 printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n", 238 dev_p->descriptor.idVendor, 239 dev_p->descriptor.idProduct); 240 break; 241 } 242 } 243 244 if (i == rtusb_usb_id_len) { 245 printk("rt2870: Error! Device Descriptor not matching!\n"); 246 return FALSE; 247 } 248 249 return TRUE; 250} 251 252/**************************************************************************/ 253/**************************************************************************/ 254/*tested for kernel 2.6series */ 255/**************************************************************************/ 256/**************************************************************************/ 257 258#ifdef CONFIG_PM 259static int rt2870_suspend(struct usb_interface *intf, pm_message_t state); 260static int rt2870_resume(struct usb_interface *intf); 261#endif /* CONFIG_PM // */ 262 263static BOOLEAN USBDevConfigInit(IN struct usb_device *dev, 264 IN struct usb_interface *intf, 265 struct rt_rtmp_adapter *pAd) 266{ 267 struct usb_host_interface *iface_desc; 268 unsigned long BulkOutIdx; 269 u32 i; 270 271 /* get the active interface descriptor */ 272 iface_desc = intf->cur_altsetting; 273 274 /* get # of enpoints */ 275 pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints; 276 DBGPRINT(RT_DEBUG_TRACE, 277 ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints)); 278 279 /* Configure Pipes */ 280 BulkOutIdx = 0; 281 282 for (i = 0; i < pAd->NumberOfPipes; i++) { 283 if ((iface_desc->endpoint[i].desc.bmAttributes == 284 USB_ENDPOINT_XFER_BULK) && 285 ((iface_desc->endpoint[i].desc.bEndpointAddress & 286 USB_ENDPOINT_DIR_MASK) == USB_DIR_IN)) { 287 pAd->BulkInEpAddr = 288 iface_desc->endpoint[i].desc.bEndpointAddress; 289 pAd->BulkInMaxPacketSize = 290 le2cpu16(iface_desc->endpoint[i].desc. 291 wMaxPacketSize); 292 293 DBGPRINT_RAW(RT_DEBUG_TRACE, 294 ("BULK IN MaxPacketSize = %d\n", 295 pAd->BulkInMaxPacketSize)); 296 DBGPRINT_RAW(RT_DEBUG_TRACE, 297 ("EP address = 0x%2x\n", 298 iface_desc->endpoint[i].desc. 299 bEndpointAddress)); 300 } else 301 if ((iface_desc->endpoint[i].desc.bmAttributes == 302 USB_ENDPOINT_XFER_BULK) 303 && 304 ((iface_desc->endpoint[i].desc. 305 bEndpointAddress & USB_ENDPOINT_DIR_MASK) == 306 USB_DIR_OUT)) { 307 /* there are 6 bulk out EP. EP6 highest priority. */ 308 /* EP1-4 is EDCA. EP5 is HCCA. */ 309 pAd->BulkOutEpAddr[BulkOutIdx++] = 310 iface_desc->endpoint[i].desc.bEndpointAddress; 311 pAd->BulkOutMaxPacketSize = 312 le2cpu16(iface_desc->endpoint[i].desc. 313 wMaxPacketSize); 314 315 DBGPRINT_RAW(RT_DEBUG_TRACE, 316 ("BULK OUT MaxPacketSize = %d\n", 317 pAd->BulkOutMaxPacketSize)); 318 DBGPRINT_RAW(RT_DEBUG_TRACE, 319 ("EP address = 0x%2x \n", 320 iface_desc->endpoint[i].desc. 321 bEndpointAddress)); 322 } 323 } 324 325 if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) { 326 printk 327 ("%s: Could not find both bulk-in and bulk-out endpoints\n", 328 __FUNCTION__); 329 return FALSE; 330 } 331 332 pAd->config = &dev->config->desc; 333 usb_set_intfdata(intf, pAd); 334 335 return TRUE; 336 337} 338 339static int __devinit rtusb_probe(struct usb_interface *intf, 340 const struct usb_device_id *id) 341{ 342 struct rt_rtmp_adapter *pAd; 343 struct usb_device *dev; 344 int rv; 345 346 dev = interface_to_usbdev(intf); 347 dev = usb_get_dev(dev); 348 349 rv = rt2870_probe(intf, dev, id, &pAd); 350 if (rv != 0) 351 usb_put_dev(dev); 352 353 return rv; 354} 355 356static void rtusb_disconnect(struct usb_interface *intf) 357{ 358 struct usb_device *dev = interface_to_usbdev(intf); 359 struct rt_rtmp_adapter *pAd; 360 361 pAd = usb_get_intfdata(intf); 362 usb_set_intfdata(intf, NULL); 363 364 rt2870_disconnect(dev, pAd); 365} 366 367struct usb_driver rtusb_driver = { 368 .name = "rt2870", 369 .probe = rtusb_probe, 370 .disconnect = rtusb_disconnect, 371 .id_table = rtusb_usb_id, 372 373#ifdef CONFIG_PM 374suspend:rt2870_suspend, 375resume:rt2870_resume, 376#endif 377}; 378 379#ifdef CONFIG_PM 380 381void RT2870RejectPendingPackets(struct rt_rtmp_adapter *pAd) 382{ 383 /* clear PS packets */ 384 /* clear TxSw packets */ 385} 386 387static int rt2870_suspend(struct usb_interface *intf, pm_message_t state) 388{ 389 struct net_device *net_dev; 390 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf); 391 392 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n")); 393 net_dev = pAd->net_dev; 394 netif_device_detach(net_dev); 395 396 pAd->PM_FlgSuspend = 1; 397 if (netif_running(net_dev)) { 398 RTUSBCancelPendingBulkInIRP(pAd); 399 RTUSBCancelPendingBulkOutIRP(pAd); 400 } 401 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n")); 402 return 0; 403} 404 405static int rt2870_resume(struct usb_interface *intf) 406{ 407 struct net_device *net_dev; 408 struct rt_rtmp_adapter *pAd = usb_get_intfdata(intf); 409 410 DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n")); 411 412 pAd->PM_FlgSuspend = 0; 413 net_dev = pAd->net_dev; 414 netif_device_attach(net_dev); 415 netif_start_queue(net_dev); 416 netif_carrier_on(net_dev); 417 netif_wake_queue(net_dev); 418 419 DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n")); 420 return 0; 421} 422#endif /* CONFIG_PM // */ 423 424/* Init driver module */ 425int __init rtusb_init(void) 426{ 427 printk("rtusb init --->\n"); 428 return usb_register(&rtusb_driver); 429} 430 431/* Deinit driver module */ 432void __exit rtusb_exit(void) 433{ 434 usb_deregister(&rtusb_driver); 435 printk("<--- rtusb exit\n"); 436} 437 438module_init(rtusb_init); 439module_exit(rtusb_exit); 440 441/*--------------------------------------------------------------------- */ 442/* function declarations */ 443/*--------------------------------------------------------------------- */ 444 445/* 446======================================================================== 447Routine Description: 448 MLME kernel thread. 449 450Arguments: 451 *Context the pAd, driver control block pointer 452 453Return Value: 454 0 close the thread 455 456Note: 457======================================================================== 458*/ 459int MlmeThread(IN void *Context) 460{ 461 struct rt_rtmp_adapter *pAd; 462 struct rt_rtmp_os_task *pTask; 463 int status; 464 status = 0; 465 466 pTask = Context; 467 pAd = pTask->priv; 468 469 RtmpOSTaskCustomize(pTask); 470 471 while (!pTask->task_killed) { 472#ifdef KTHREAD_SUPPORT 473 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask); 474#else 475 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status); 476 477 /* unlock the device pointers */ 478 if (status != 0) { 479 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); 480 break; 481 } 482#endif 483 484 /* lock the device pointers , need to check if required */ 485 /*down(&(pAd->usbdev_semaphore)); */ 486 487 if (!pAd->PM_FlgSuspend) 488 MlmeHandler(pAd); 489 } 490 491 /* notify the exit routine that we're actually exiting now 492 * 493 * complete()/wait_for_completion() is similar to up()/down(), 494 * except that complete() is safe in the case where the structure 495 * is getting deleted in a parallel mode of execution (i.e. just 496 * after the down() -- that's necessary for the thread-shutdown 497 * case. 498 * 499 * complete_and_exit() goes even further than this -- it is safe in 500 * the case that the thread of the caller is going away (not just 501 * the structure) -- this is necessary for the module-remove case. 502 * This is important in preemption kernels, which transfer the flow 503 * of execution immediately upon a complete(). 504 */ 505 DBGPRINT(RT_DEBUG_TRACE, ("<---%s\n", __FUNCTION__)); 506#ifndef KTHREAD_SUPPORT 507 pTask->taskPID = THREAD_PID_INIT_VALUE; 508 complete_and_exit(&pTask->taskComplete, 0); 509#endif 510 return 0; 511 512} 513 514/* 515======================================================================== 516Routine Description: 517 USB command kernel thread. 518 519Arguments: 520 *Context the pAd, driver control block pointer 521 522Return Value: 523 0 close the thread 524 525Note: 526======================================================================== 527*/ 528int RTUSBCmdThread(IN void *Context) 529{ 530 struct rt_rtmp_adapter *pAd; 531 struct rt_rtmp_os_task *pTask; 532 int status; 533 status = 0; 534 535 pTask = Context; 536 pAd = pTask->priv; 537 538 RtmpOSTaskCustomize(pTask); 539 540 NdisAcquireSpinLock(&pAd->CmdQLock); 541 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_RUNNING; 542 NdisReleaseSpinLock(&pAd->CmdQLock); 543 544 while (pAd && pAd->CmdQ.CmdQState == RTMP_TASK_STAT_RUNNING) { 545#ifdef KTHREAD_SUPPORT 546 RTMP_WAIT_EVENT_INTERRUPTIBLE(pAd, pTask); 547#else 548 /* lock the device pointers */ 549 RTMP_SEM_EVENT_WAIT(&(pTask->taskSema), status); 550 551 if (status != 0) { 552 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS); 553 break; 554 } 555#endif 556 557 if (pAd->CmdQ.CmdQState == RTMP_TASK_STAT_STOPED) 558 break; 559 560 if (!pAd->PM_FlgSuspend) 561 CMDHandler(pAd); 562 } 563 564 if (pAd && !pAd->PM_FlgSuspend) { /* Clear the CmdQElements. */ 565 struct rt_cmdqelmt *pCmdQElmt = NULL; 566 567 NdisAcquireSpinLock(&pAd->CmdQLock); 568 pAd->CmdQ.CmdQState = RTMP_TASK_STAT_STOPED; 569 while (pAd->CmdQ.size) { 570 RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt); 571 if (pCmdQElmt) { 572 if (pCmdQElmt->CmdFromNdis == TRUE) { 573 if (pCmdQElmt->buffer != NULL) 574 os_free_mem(pAd, 575 pCmdQElmt->buffer); 576 os_free_mem(pAd, (u8 *)pCmdQElmt); 577 } else { 578 if ((pCmdQElmt->buffer != NULL) 579 && (pCmdQElmt->bufferlength != 0)) 580 os_free_mem(pAd, 581 pCmdQElmt->buffer); 582 os_free_mem(pAd, (u8 *)pCmdQElmt); 583 } 584 } 585 } 586 587 NdisReleaseSpinLock(&pAd->CmdQLock); 588 } 589 /* notify the exit routine that we're actually exiting now 590 * 591 * complete()/wait_for_completion() is similar to up()/down(), 592 * except that complete() is safe in the case where the structure 593 * is getting deleted in a parallel mode of execution (i.e. just 594 * after the down() -- that's necessary for the thread-shutdown 595 * case. 596 * 597 * complete_and_exit() goes even further than this -- it is safe in 598 * the case that the thread of the caller is going away (not just 599 * the structure) -- this is necessary for the module-remove case. 600 * This is important in preemption kernels, which transfer the flow 601 * of execution immediately upon a complete(). 602 */ 603 DBGPRINT(RT_DEBUG_TRACE, ("<---RTUSBCmdThread\n")); 604 605#ifndef KTHREAD_SUPPORT 606 pTask->taskPID = THREAD_PID_INIT_VALUE; 607 complete_and_exit(&pTask->taskComplete, 0); 608#endif 609 return 0; 610 611} 612 613void RTUSBWatchDog(struct rt_rtmp_adapter *pAd) 614{ 615 struct rt_ht_tx_context *pHTTXContext; 616 int idx; 617 unsigned long irqFlags; 618 PURB pUrb; 619 BOOLEAN needDumpSeq = FALSE; 620 u32 MACValue; 621 u32 TxRxQ_Pcnt; 622 623 idx = 0; 624 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue); 625 if ((MACValue & 0xff) != 0) { 626 DBGPRINT(RT_DEBUG_TRACE, 627 ("TX QUEUE 0 Not EMPTY(Value=0x%0x)!\n", 628 MACValue)); 629 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012); 630 while ((MACValue & 0xff) != 0 && (idx++ < 10)) { 631 RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue); 632 RTMPusecDelay(1); 633 } 634 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006); 635 } 636 637 if (pAd->watchDogRxOverFlowCnt >= 2) { 638 DBGPRINT(RT_DEBUG_TRACE, 639 ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n")); 640 if ((!RTMP_TEST_FLAG 641 (pAd, 642 (fRTMP_ADAPTER_RESET_IN_PROGRESS | 643 fRTMP_ADAPTER_BULKIN_RESET | 644 fRTMP_ADAPTER_HALT_IN_PROGRESS | 645 fRTMP_ADAPTER_NIC_NOT_EXIST)))) { 646 DBGPRINT(RT_DEBUG_TRACE, 647 ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n")); 648 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET); 649 RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN, 650 NULL, 0); 651 needDumpSeq = TRUE; 652 } 653 pAd->watchDogRxOverFlowCnt = 0; 654 } 655 656 RTUSBReadMACRegister(pAd, 0x438, &TxRxQ_Pcnt); 657 658 for (idx = 0; idx < NUM_OF_TX_RING; idx++) { 659 pUrb = NULL; 660 661 RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags); 662 if ((pAd->BulkOutPending[idx] == TRUE) 663 && pAd->watchDogTxPendingCnt) { 664 int actual_length = 0, transfer_buffer_length = 0; 665 BOOLEAN isDataPacket = FALSE; 666 pAd->watchDogTxPendingCnt[idx]++; 667 668 if ((pAd->watchDogTxPendingCnt[idx] > 2) && 669 (!RTMP_TEST_FLAG 670 (pAd, 671 (fRTMP_ADAPTER_RESET_IN_PROGRESS | 672 fRTMP_ADAPTER_HALT_IN_PROGRESS | 673 fRTMP_ADAPTER_NIC_NOT_EXIST | 674 fRTMP_ADAPTER_BULKOUT_RESET))) 675 ) { 676 pHTTXContext = 677 (struct rt_ht_tx_context *)(&pAd->TxContext[idx]); 678 if (pHTTXContext->IRPPending) { /* Check TxContext. */ 679 pUrb = pHTTXContext->pUrb; 680 681 actual_length = pUrb->actual_length; 682 transfer_buffer_length = 683 pUrb->transfer_buffer_length; 684 isDataPacket = TRUE; 685 } else if (idx == MGMTPIPEIDX) { 686 struct rt_tx_context *pMLMEContext, *pNULLContext, 687 *pPsPollContext; 688 689 /*Check MgmtContext. */ 690 pMLMEContext = 691 (struct rt_tx_context *)(pAd->MgmtRing. 692 Cell[pAd->MgmtRing. 693 TxDmaIdx]. 694 AllocVa); 695 pPsPollContext = 696 (struct rt_tx_context *)(&pAd->PsPollContext); 697 pNULLContext = 698 (struct rt_tx_context *)(&pAd->NullContext); 699 700 if (pMLMEContext->IRPPending) { 701 ASSERT(pMLMEContext-> 702 IRPPending); 703 pUrb = pMLMEContext->pUrb; 704 } else if (pNULLContext->IRPPending) { 705 ASSERT(pNULLContext-> 706 IRPPending); 707 pUrb = pNULLContext->pUrb; 708 } else if (pPsPollContext->IRPPending) { 709 ASSERT(pPsPollContext-> 710 IRPPending); 711 pUrb = pPsPollContext->pUrb; 712 } 713 } 714 715 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], 716 irqFlags); 717 718 printk(KERN_INFO "%d:%lu LTL=%d , TL=%d L:%d\n", 719 idx, pAd->watchDogTxPendingCnt[idx], 720 pAd->TransferedLength[idx], 721 actual_length, transfer_buffer_length); 722 723 if (pUrb) { 724 if ((isDataPacket 725 && pAd->TransferedLength[idx] == 726 actual_length 727 && pAd->TransferedLength[idx] < 728 transfer_buffer_length 729 && actual_length != 0 730/* && TxRxQ_Pcnt==0 */ 731 && pAd->watchDogTxPendingCnt[idx] > 732 3) 733 || isDataPacket == FALSE 734 || pAd->watchDogTxPendingCnt[idx] > 735 6) { 736 DBGPRINT(RT_DEBUG_TRACE, 737 ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n", 738 idx)); 739 DBGPRINT(RT_DEBUG_TRACE, 740 ("Unlink the pending URB!\n")); 741 /* unlink it now */ 742 RTUSB_UNLINK_URB(pUrb); 743 /* Sleep 200 microseconds to give cancellation time to work */ 744 /*RTMPusecDelay(200); */ 745 needDumpSeq = TRUE; 746 } 747 } else { 748 DBGPRINT(RT_DEBUG_ERROR, 749 ("Unknown bulkOut URB maybe hanged!\n")); 750 } 751 } else { 752 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], 753 irqFlags); 754 } 755 756 if (isDataPacket == TRUE) 757 pAd->TransferedLength[idx] = actual_length; 758 } else { 759 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags); 760 } 761 } 762 763 /* For Sigma debug, dump the ba_reordering sequence. */ 764 if ((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0)) { 765 u16 Idx; 766 struct rt_ba_rec_entry *pBAEntry = NULL; 767 u8 count = 0; 768 struct reordering_mpdu *mpdu_blk; 769 770 Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0]; 771 772 pBAEntry = &pAd->BATable.BARecEntry[Idx]; 773 if ((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL)) { 774 DBGPRINT(RT_DEBUG_TRACE, 775 ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n")); 776 NdisAcquireSpinLock(&pBAEntry->RxReRingLock); 777 mpdu_blk = pBAEntry->list.next; 778 while (mpdu_blk) { 779 DBGPRINT(RT_DEBUG_TRACE, 780 ("\t%d:Seq-%d, bAMSDU-%d!\n", count, 781 mpdu_blk->Sequence, 782 mpdu_blk->bAMSDU)); 783 mpdu_blk = mpdu_blk->next; 784 count++; 785 } 786 787 DBGPRINT(RT_DEBUG_TRACE, 788 ("\npBAEntry->LastIndSeq=%d!\n", 789 pBAEntry->LastIndSeq)); 790 NdisReleaseSpinLock(&pBAEntry->RxReRingLock); 791 } 792 } 793} 794 795/* 796======================================================================== 797Routine Description: 798 Release allocated resources. 799 800Arguments: 801 *dev Point to the PCI or USB device 802 pAd driver control block pointer 803 804Return Value: 805 None 806 807Note: 808======================================================================== 809*/ 810static void rt2870_disconnect(struct usb_device *dev, struct rt_rtmp_adapter *pAd) 811{ 812 DBGPRINT(RT_DEBUG_ERROR, 813 ("rtusb_disconnect: unregister usbnet usb-%s-%s\n", 814 dev->bus->bus_name, dev->devpath)); 815 if (!pAd) { 816 usb_put_dev(dev); 817 printk("rtusb_disconnect: pAd == NULL!\n"); 818 return; 819 } 820 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST); 821 822 /* for debug, wait to show some messages to /proc system */ 823 udelay(1); 824 825 RtmpPhyNetDevExit(pAd, pAd->net_dev); 826 827 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 843static 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 --------------------------- */ 914err_out_free_netdev: 915 RtmpOSNetDevFree(net_dev); 916 917err_out_free_radev: 918 RTMPFreeAdapter(pAd); 919 920err_out: 921 *ppAd = NULL; 922 923 return -1; 924 925} 926