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 }