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