git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2870/2870_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     Module Name:
  28     rtmp_main.c
  29
  30     Abstract:
  31     main initialization routines
  32
  33     Revision History:
  34     Who         When            What
  35     --------    ----------      ----------------------------------------------
  36     Name        Date            Modification logs
  37     Jan Lee             01-10-2005          modified
  38         Sample          Jun/01/07               Merge RT2870 and RT2860 drivers.
  39 */
  40
  41 #include "rt_config.h"
  42
  43
  44 // Following information will be show when you run 'modinfo'
  45 // *** If you have a solution for the bug in current version of driver, please mail to me.
  46 // Otherwise post to forum in ralinktech's web site(www.ralinktech.com) and let all users help you. ***
  47 MODULE_AUTHOR("Paul Lin <paul_lin@ralinktech.com>");
  48 MODULE_DESCRIPTION("RT2870 Wireless Lan Linux Driver");
  49 #ifdef CONFIG_STA_SUPPORT
  50 MODULE_LICENSE("GPL");
  51 #ifdef MODULE_VERSION
  52 MODULE_VERSION(STA_DRIVER_VERSION);
  53 #endif
  54 #endif // CONFIG_STA_SUPPORT //
  55
  56 #ifdef MULTIPLE_CARD_SUPPORT
  57 // record whether the card in the card list is used in the card file
  58 extern UINT8  MC_CardUsed[];
  59 #endif // MULTIPLE_CARD_SUPPORT //
  60
  61 /* Kernel thread and vars, which handles packets that are completed. Only
  62  * packets that have a "complete" function are sent here. This way, the
  63  * completion is run out of kernel context, and doesn't block the rest of
  64  * the stack. */
  65
  66 extern INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
  67                                                                         IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
  68
  69
  70 /* module table */
  71 struct usb_device_id    rtusb_usb_id[] = RT2870_USB_DEVICES;
  72 INT const               rtusb_usb_id_len = sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);
  73 MODULE_DEVICE_TABLE(usb, rtusb_usb_id);
  74
  75 #ifndef PF_NOFREEZE
  76 #define PF_NOFREEZE  0
  77 #endif
  78
  79
  80 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
  81
  82 /**************************************************************************/
  83 /**************************************************************************/
  84 //tested for kernel 2.4 series
  85 /**************************************************************************/
  86 /**************************************************************************/
  87 static void *rtusb_probe(struct usb_device *dev, UINT interface,
  88                                                 const struct usb_device_id *id_table);
  89 static void rtusb_disconnect(struct usb_device *dev, void *ptr);
  90
  91 struct usb_driver rtusb_driver = {
  92                 name:"rt2870",
  93                 probe:rtusb_probe,
  94                 disconnect:rtusb_disconnect,
  95                 id_table:rtusb_usb_id,
  96         };
  97
  98 #else
  99
 100 #ifdef CONFIG_PM
 101 static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
 102 static int rt2870_resume(struct usb_interface *intf);
 103 #endif // CONFIG_PM //
 104
 105 /**************************************************************************/
 106 /**************************************************************************/
 107 //tested for kernel 2.6series
 108 /**************************************************************************/
 109 /**************************************************************************/
 110 static int rtusb_probe (struct usb_interface *intf,
 111                                                 const struct usb_device_id *id);
 112 static void rtusb_disconnect(struct usb_interface *intf);
 113
 114 struct usb_driver rtusb_driver = {
 115 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
 116         .owner = THIS_MODULE,
 117 #endif
 118         .name="rt2870",
 119         .probe=rtusb_probe,
 120         .disconnect=rtusb_disconnect,
 121         .id_table=rtusb_usb_id,
 122
 123 #ifdef CONFIG_PM
 124         suspend:        rt2870_suspend,
 125         resume:         rt2870_resume,
 126 #endif
 127         };
 128
 129 #ifdef CONFIG_PM
 130
 131 VOID RT2860RejectPendingPackets(
 132         IN      PRTMP_ADAPTER   pAd)
 133 {
 134         // clear PS packets
 135         // clear TxSw packets
 136 }
 137
 138 static int rt2870_suspend(
 139         struct usb_interface *intf,
 140         pm_message_t state)
 141 {
 142         struct net_device *net_dev;
 143         PRTMP_ADAPTER pAd = usb_get_intfdata(intf);
 144
 145
 146         DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
 147         net_dev = pAd->net_dev;
 148         netif_device_detach (net_dev);
 149
 150         pAd->PM_FlgSuspend = 1;
 151         if (netif_running(net_dev)) {
 152                 RTUSBCancelPendingBulkInIRP(pAd);
 153                 RTUSBCancelPendingBulkOutIRP(pAd);
 154         }
 155         DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
 156         return 0;
 157 }
 158
 159 static int rt2870_resume(
 160         struct usb_interface *intf)
 161 {
 162         struct net_device *net_dev;
 163         PRTMP_ADAPTER pAd = usb_get_intfdata(intf);
 164
 165
 166         DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));
 167
 168         pAd->PM_FlgSuspend = 0;
 169         net_dev = pAd->net_dev;
 170         netif_device_attach (net_dev);
 171         netif_start_queue(net_dev);
 172         netif_carrier_on(net_dev);
 173         netif_wake_queue(net_dev);
 174
 175         DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
 176         return 0;
 177 }
 178 #endif // CONFIG_PM //
 179 #endif // LINUX_VERSION_CODE //
 180
 181
 182 // Init driver module
 183 INT __init rtusb_init(void)
 184 {
 185         printk("rtusb init --->\n");
 186         return usb_register(&rtusb_driver);
 187 }
 188
 189 // Deinit driver module
 190 VOID __exit rtusb_exit(void)
 191 {
 192         usb_deregister(&rtusb_driver);
 193         printk("<--- rtusb exit\n");
 194 }
 195
 196 module_init(rtusb_init);
 197 module_exit(rtusb_exit);
 198
 199
 200
 201
 202 /*--------------------------------------------------------------------- */
 203 /* function declarations                                                                                                */
 204 /*--------------------------------------------------------------------- */
 205
 206 /*
 207 ========================================================================
 208 Routine Description:
 209     MLME kernel thread.
 210
 211 Arguments:
 212         *Context                        the pAd, driver control block pointer
 213
 214 Return Value:
 215     0                                   close the thread
 216
 217 Note:
 218 ========================================================================
 219 */
 220 INT MlmeThread(
 221         IN void *Context)
 222 {
 223         PRTMP_ADAPTER   pAd = (PRTMP_ADAPTER)Context;
 224         POS_COOKIE      pObj;
 225         int status;
 226
 227         pObj = (POS_COOKIE)pAd->OS_Cookie;
 228
 229         rtmp_os_thread_init("rt2870MlmeThread", (PVOID)&(pAd->mlmeComplete));
 230
 231         while (pAd->mlme_kill == 0)
 232         {
 233                 /* lock the device pointers */
 234                 //down(&(pAd->mlme_semaphore));
 235                 status = down_interruptible(&(pAd->mlme_semaphore));
 236
 237                 /* lock the device pointers , need to check if required*/
 238                 //down(&(pAd->usbdev_semaphore));
 239
 240                 if (!pAd->PM_FlgSuspend)
 241                 MlmeHandler(pAd);
 242
 243                 /* unlock the device pointers */
 244                 //up(&(pAd->usbdev_semaphore));
 245                 if (status != 0)
 246                 {
 247                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 248                         break;
 249                 }
 250         }
 251
 252         /* notify the exit routine that we're actually exiting now
 253          *
 254          * complete()/wait_for_completion() is similar to up()/down(),
 255          * except that complete() is safe in the case where the structure
 256          * is getting deleted in a parallel mode of execution (i.e. just
 257          * after the down() -- that's necessary for the thread-shutdown
 258          * case.
 259          *
 260          * complete_and_exit() goes even further than this -- it is safe in
 261          * the case that the thread of the caller is going away (not just
 262          * the structure) -- this is necessary for the module-remove case.
 263          * This is important in preemption kernels, which transfer the flow
 264          * of execution immediately upon a complete().
 265          */
 266         DBGPRINT(RT_DEBUG_TRACE,( "<---%s\n",__func__));
 267
 268         pObj->MLMEThr_task = NULL;
 269
 270         complete_and_exit (&pAd->mlmeComplete, 0);
 271         return 0;
 272
 273 }
 274
 275
 276 /*
 277 ========================================================================
 278 Routine Description:
 279     USB command kernel thread.
 280
 281 Arguments:
 282         *Context                        the pAd, driver control block pointer
 283
 284 Return Value:
 285     0                                   close the thread
 286
 287 Note:
 288 ========================================================================
 289 */
 290 INT RTUSBCmdThread(
 291         IN void * Context)
 292 {
 293         PRTMP_ADAPTER   pAd = (PRTMP_ADAPTER)Context;
 294         POS_COOKIE              pObj;
 295         int status;
 296
 297         pObj = (POS_COOKIE)pAd->OS_Cookie;
 298
 299         rtmp_os_thread_init("rt2870CmdThread", (PVOID)&(pAd->CmdQComplete));
 300
 301         NdisAcquireSpinLock(&pAd->CmdQLock);
 302         pAd->CmdQ.CmdQState = RT2870_THREAD_RUNNING;
 303         NdisReleaseSpinLock(&pAd->CmdQLock);
 304
 305         while (pAd->CmdQ.CmdQState == RT2870_THREAD_RUNNING)
 306         {
 307                 /* lock the device pointers */
 308                 //down(&(pAd->RTUSBCmd_semaphore));
 309                 status = down_interruptible(&(pAd->RTUSBCmd_semaphore));
 310
 311                 if (pAd->CmdQ.CmdQState == RT2870_THREAD_STOPED)
 312                         break;
 313
 314                 if (status != 0)
 315                 {
 316                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 317                         break;
 318                 }
 319                 /* lock the device pointers , need to check if required*/
 320                 //down(&(pAd->usbdev_semaphore));
 321
 322                 if (!pAd->PM_FlgSuspend)
 323                 CMDHandler(pAd);
 324
 325                 /* unlock the device pointers */
 326                 //up(&(pAd->usbdev_semaphore));
 327         }
 328
 329         if (!pAd->PM_FlgSuspend)
 330         {       // Clear the CmdQElements.
 331                 CmdQElmt        *pCmdQElmt = NULL;
 332
 333                 NdisAcquireSpinLock(&pAd->CmdQLock);
 334                 pAd->CmdQ.CmdQState = RT2870_THREAD_STOPED;
 335                 while(pAd->CmdQ.size)
 336                 {
 337                         RTUSBDequeueCmd(&pAd->CmdQ, &pCmdQElmt);
 338                         if (pCmdQElmt)
 339                         {
 340                                 if (pCmdQElmt->CmdFromNdis == TRUE)
 341                                 {
 342                                         if (pCmdQElmt->buffer != NULL)
 343                                                 NdisFreeMemory(pCmdQElmt->buffer, pCmdQElmt->bufferlength, 0);
 344
 345                                         NdisFreeMemory(pCmdQElmt, sizeof(CmdQElmt), 0);
 346                                 }
 347                                 else
 348                                 {
 349                                         if ((pCmdQElmt->buffer != NULL) && (pCmdQElmt->bufferlength != 0))
 350                                                 NdisFreeMemory(pCmdQElmt->buffer, pCmdQElmt->bufferlength, 0);
 351                             {
 352                                                 NdisFreeMemory(pCmdQElmt, sizeof(CmdQElmt), 0);
 353                                         }
 354                                 }
 355                         }
 356                 }
 357
 358                 NdisReleaseSpinLock(&pAd->CmdQLock);
 359         }
 360         /* notify the exit routine that we're actually exiting now
 361          *
 362          * complete()/wait_for_completion() is similar to up()/down(),
 363          * except that complete() is safe in the case where the structure
 364          * is getting deleted in a parallel mode of execution (i.e. just
 365          * after the down() -- that's necessary for the thread-shutdown
 366          * case.
 367          *
 368          * complete_and_exit() goes even further than this -- it is safe in
 369          * the case that the thread of the caller is going away (not just
 370          * the structure) -- this is necessary for the module-remove case.
 371          * This is important in preemption kernels, which transfer the flow
 372          * of execution immediately upon a complete().
 373          */
 374         DBGPRINT(RT_DEBUG_TRACE,( "<---RTUSBCmdThread\n"));
 375
 376         pObj->RTUSBCmdThr_task = NULL;
 377
 378         complete_and_exit (&pAd->CmdQComplete, 0);
 379         return 0;
 380
 381 }
 382
 383
 384 static void RT2870_TimerQ_Handle(RTMP_ADAPTER *pAd)
 385 {
 386         int status;
 387         RALINK_TIMER_STRUCT     *pTimer;
 388         RT2870_TIMER_ENTRY      *pEntry;
 389         unsigned long   irqFlag;
 390
 391         while(!pAd->TimerFunc_kill)
 392         {
 393 //              printk("waiting for event!\n");
 394                 pTimer = NULL;
 395
 396                 status = down_interruptible(&(pAd->RTUSBTimer_semaphore));
 397
 398                 if (pAd->TimerQ.status == RT2870_THREAD_STOPED)
 399                         break;
 400
 401                 // event happened.
 402                 while(pAd->TimerQ.pQHead)
 403                 {
 404                         RTMP_IRQ_LOCK(&pAd->TimerQLock, irqFlag);
 405                         pEntry = pAd->TimerQ.pQHead;
 406                         if (pEntry)
 407                         {
 408                                 pTimer = pEntry->pRaTimer;
 409
 410                                 // update pQHead
 411                                 pAd->TimerQ.pQHead = pEntry->pNext;
 412                                 if (pEntry == pAd->TimerQ.pQTail)
 413                                         pAd->TimerQ.pQTail = NULL;
 414
 415                                 // return this queue entry to timerQFreeList.
 416                                 pEntry->pNext = pAd->TimerQ.pQPollFreeList;
 417                                 pAd->TimerQ.pQPollFreeList = pEntry;
 418                         }
 419                         RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlag);
 420
 421                         if (pTimer)
 422                         {
 423                                 if (pTimer->handle != NULL)
 424                                 if (!pAd->PM_FlgSuspend)
 425                                         pTimer->handle(NULL, (PVOID) pTimer->cookie, NULL, pTimer);
 426                                 if ((pTimer->Repeat) && (pTimer->State == FALSE))
 427                                         RTMP_OS_Add_Timer(&pTimer->TimerObj, pTimer->TimerValue);
 428                         }
 429                 }
 430
 431                 if (status != 0)
 432                 {
 433                         pAd->TimerQ.status = RT2870_THREAD_STOPED;
 434                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 435                         break;
 436                 }
 437         }
 438 }
 439
 440
 441 INT TimerQThread(
 442         IN OUT PVOID Context)
 443 {
 444         PRTMP_ADAPTER   pAd;
 445         POS_COOKIE      pObj;
 446
 447         pAd = (PRTMP_ADAPTER)Context;
 448         pObj = (POS_COOKIE) pAd->OS_Cookie;
 449
 450         rtmp_os_thread_init("rt2870TimerQHandle", (PVOID)&(pAd->TimerQComplete));
 451
 452         RT2870_TimerQ_Handle(pAd);
 453
 454         /* notify the exit routine that we're actually exiting now
 455          *
 456          * complete()/wait_for_completion() is similar to up()/down(),
 457          * except that complete() is safe in the case where the structure
 458          * is getting deleted in a parallel mode of execution (i.e. just
 459          * after the down() -- that's necessary for the thread-shutdown
 460          * case.
 461          *
 462          * complete_and_exit() goes even further than this -- it is safe in
 463          * the case that the thread of the caller is going away (not just
 464          * the structure) -- this is necessary for the module-remove case.
 465          * This is important in preemption kernels, which transfer the flow
 466          * of execution immediately upon a complete().
 467          */
 468         DBGPRINT(RT_DEBUG_TRACE,( "<---%s\n",__func__));
 469
 470         pObj->TimerQThr_task = NULL;
 471
 472         complete_and_exit(&pAd->TimerQComplete, 0);
 473         return 0;
 474
 475 }
 476
 477
 478 RT2870_TIMER_ENTRY *RT2870_TimerQ_Insert(
 479         IN RTMP_ADAPTER *pAd,
 480         IN RALINK_TIMER_STRUCT *pTimer)
 481 {
 482         RT2870_TIMER_ENTRY *pQNode = NULL, *pQTail;
 483         unsigned long irqFlags;
 484
 485
 486         RTMP_IRQ_LOCK(&pAd->TimerQLock, irqFlags);
 487         if (pAd->TimerQ.status & RT2870_THREAD_CAN_DO_INSERT)
 488         {
 489                 if(pAd->TimerQ.pQPollFreeList)
 490                 {
 491                         pQNode = pAd->TimerQ.pQPollFreeList;
 492                         pAd->TimerQ.pQPollFreeList = pQNode->pNext;
 493
 494                         pQNode->pRaTimer = pTimer;
 495                         pQNode->pNext = NULL;
 496
 497                         pQTail = pAd->TimerQ.pQTail;
 498                         if (pAd->TimerQ.pQTail != NULL)
 499                                 pQTail->pNext = pQNode;
 500                         pAd->TimerQ.pQTail = pQNode;
 501                         if (pAd->TimerQ.pQHead == NULL)
 502                                 pAd->TimerQ.pQHead = pQNode;
 503                 }
 504                 RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlags);
 505
 506                 if (pQNode)
 507                         up(&pAd->RTUSBTimer_semaphore);
 508                         //wake_up(&timerWaitQ);
 509         }
 510         else
 511         {
 512                 RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlags);
 513         }
 514         return pQNode;
 515 }
 516
 517
 518 BOOLEAN RT2870_TimerQ_Remove(
 519         IN RTMP_ADAPTER *pAd,
 520         IN RALINK_TIMER_STRUCT *pTimer)
 521 {
 522         RT2870_TIMER_ENTRY *pNode, *pPrev = NULL;
 523         unsigned long irqFlags;
 524
 525         RTMP_IRQ_LOCK(&pAd->TimerQLock, irqFlags);
 526         if (pAd->TimerQ.status >= RT2870_THREAD_INITED)
 527         {
 528                 pNode = pAd->TimerQ.pQHead;
 529                 while (pNode)
 530                 {
 531                         if (pNode->pRaTimer == pTimer)
 532                                 break;
 533                         pPrev = pNode;
 534                         pNode = pNode->pNext;
 535                 }
 536
 537                 // Now move it to freeList queue.
 538                 if (pNode)
 539                 {
 540                         if (pNode == pAd->TimerQ.pQHead)
 541                                 pAd->TimerQ.pQHead = pNode->pNext;
 542                         if (pNode == pAd->TimerQ.pQTail)
 543                                 pAd->TimerQ.pQTail = pPrev;
 544                         if (pPrev != NULL)
 545                                 pPrev->pNext = pNode->pNext;
 546
 547                         // return this queue entry to timerQFreeList.
 548                         pNode->pNext = pAd->TimerQ.pQPollFreeList;
 549                         pAd->TimerQ.pQPollFreeList = pNode;
 550                 }
 551         }
 552         RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlags);
 553
 554         return TRUE;
 555 }
 556
 557
 558 void RT2870_TimerQ_Exit(RTMP_ADAPTER *pAd)
 559 {
 560         RT2870_TIMER_ENTRY *pTimerQ;
 561         unsigned long irqFlags;
 562
 563         RTMP_IRQ_LOCK(&pAd->TimerQLock, irqFlags);
 564         while (pAd->TimerQ.pQHead)
 565         {
 566                 pTimerQ = pAd->TimerQ.pQHead;
 567                 pAd->TimerQ.pQHead = pTimerQ->pNext;
 568                 // remove the timeQ
 569         }
 570         pAd->TimerQ.pQPollFreeList = NULL;
 571         os_free_mem(pAd, pAd->TimerQ.pTimerQPoll);
 572         pAd->TimerQ.pQTail = NULL;
 573         pAd->TimerQ.pQHead = NULL;
 574         pAd->TimerQ.status = RT2870_THREAD_STOPED;
 575         RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlags);
 576
 577 }
 578
 579
 580 void RT2870_TimerQ_Init(RTMP_ADAPTER *pAd)
 581 {
 582         int     i;
 583         RT2870_TIMER_ENTRY *pQNode, *pEntry;
 584         unsigned long irqFlags;
 585
 586         NdisAllocateSpinLock(&pAd->TimerQLock);
 587
 588         RTMP_IRQ_LOCK(&pAd->TimerQLock, irqFlags);
 589         NdisZeroMemory(&pAd->TimerQ, sizeof(pAd->TimerQ));
 590         //InterlockedExchange(&pAd->TimerQ.count, 0);
 591
 592         /* Initialise the wait q head */
 593         //init_waitqueue_head(&timerWaitQ);
 594
 595         os_alloc_mem(pAd, &pAd->TimerQ.pTimerQPoll, sizeof(RT2870_TIMER_ENTRY) * TIMER_QUEUE_SIZE_MAX);
 596         if (pAd->TimerQ.pTimerQPoll)
 597         {
 598                 pEntry = NULL;
 599                 pQNode = (RT2870_TIMER_ENTRY *)pAd->TimerQ.pTimerQPoll;
 600                 for (i = 0 ;i <TIMER_QUEUE_SIZE_MAX; i++)
 601                 {
 602                         pQNode->pNext = pEntry;
 603                         pEntry = pQNode;
 604                         pQNode++;
 605                 }
 606                 pAd->TimerQ.pQPollFreeList = pEntry;
 607                 pAd->TimerQ.pQHead = NULL;
 608                 pAd->TimerQ.pQTail = NULL;
 609                 pAd->TimerQ.status = RT2870_THREAD_INITED;
 610         }
 611         RTMP_IRQ_UNLOCK(&pAd->TimerQLock, irqFlags);
 612 }
 613
 614
 615 VOID RT2870_WatchDog(IN RTMP_ADAPTER *pAd)
 616 {
 617         PHT_TX_CONTEXT          pHTTXContext;
 618         int                                     idx;
 619         ULONG                           irqFlags;
 620         PURB                            pUrb;
 621         BOOLEAN                         needDumpSeq = FALSE;
 622         UINT32                  MACValue;
 623
 624
 625         idx = 0;
 626         RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
 627         if ((MACValue & 0xff) !=0 )
 628         {
 629                 DBGPRINT(RT_DEBUG_TRACE, ("TX QUEUE 0 Not EMPTY(Value=0x%0x). !!!!!!!!!!!!!!!\n", MACValue));
 630                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40012);
 631                 while((MACValue &0xff) != 0 && (idx++ < 10))
 632                 {
 633                         RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
 634                         NdisMSleep(1);
 635                 }
 636                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
 637         }
 638
 639         idx = 0;
 640         if ((MACValue & 0xff00) !=0 )
 641         {
 642                 DBGPRINT(RT_DEBUG_TRACE, ("TX QUEUE 1 Not EMPTY(Value=0x%0x). !!!!!!!!!!!!!!!\n", MACValue));
 643                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf4000a);
 644                 while((MACValue &0xff00) != 0 && (idx++ < 10))
 645                 {
 646                         RTMP_IO_READ32(pAd, TXRXQ_PCNT, &MACValue);
 647                         NdisMSleep(1);
 648                 }
 649                 RTMP_IO_WRITE32(pAd, PBF_CFG, 0xf40006);
 650         }
 651
 652
 653         if (pAd->watchDogRxOverFlowCnt >= 2)
 654         {
 655                 DBGPRINT(RT_DEBUG_TRACE, ("Maybe the Rx Bulk-In hanged! Cancel the pending Rx bulks request!\n"));
 656                 if ((!RTMP_TEST_FLAG(pAd, (fRTMP_ADAPTER_RESET_IN_PROGRESS |
 657                                                                         fRTMP_ADAPTER_BULKIN_RESET |
 658                                                                         fRTMP_ADAPTER_HALT_IN_PROGRESS |
 659                                                                         fRTMP_ADAPTER_NIC_NOT_EXIST))))
 660                 {
 661                         DBGPRINT(RT_DEBUG_TRACE, ("Call CMDTHREAD_RESET_BULK_IN to cancel the pending Rx Bulk!\n"));
 662                         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BULKIN_RESET);
 663                         RTUSBEnqueueInternalCmd(pAd, CMDTHREAD_RESET_BULK_IN, NULL, 0);
 664                         needDumpSeq = TRUE;
 665                 }
 666                 pAd->watchDogRxOverFlowCnt = 0;
 667         }
 668
 669
 670         for (idx = 0; idx < NUM_OF_TX_RING; idx++)
 671         {
 672                 pUrb = NULL;
 673
 674                 RTMP_IRQ_LOCK(&pAd->BulkOutLock[idx], irqFlags);
 675                 if ((pAd->BulkOutPending[idx] == TRUE) && pAd->watchDogTxPendingCnt)
 676                 {
 677                         pAd->watchDogTxPendingCnt[idx]++;
 678
 679                         if ((pAd->watchDogTxPendingCnt[idx] > 2) &&
 680                                  (!RTMP_TEST_FLAG(pAd, (fRTMP_ADAPTER_RESET_IN_PROGRESS | fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST | fRTMP_ADAPTER_BULKOUT_RESET)))
 681                                 )
 682                         {
 683                                 // FIXME: Following code just support single bulk out. If you wanna support multiple bulk out. Modify it!
 684                                 pHTTXContext = (PHT_TX_CONTEXT)(&pAd->TxContext[idx]);
 685                                 if (pHTTXContext->IRPPending)
 686                                 {       // Check TxContext.
 687                                         pUrb = pHTTXContext->pUrb;
 688                                 }
 689                                 else if (idx == MGMTPIPEIDX)
 690                                 {
 691                                         PTX_CONTEXT pMLMEContext, pNULLContext, pPsPollContext;
 692
 693                                         //Check MgmtContext.
 694                                         pMLMEContext = (PTX_CONTEXT)(pAd->MgmtRing.Cell[pAd->MgmtRing.TxDmaIdx].AllocVa);
 695                                         pPsPollContext = (PTX_CONTEXT)(&pAd->PsPollContext);
 696                                         pNULLContext = (PTX_CONTEXT)(&pAd->NullContext);
 697
 698                                         if (pMLMEContext->IRPPending)
 699                                         {
 700                                                 ASSERT(pMLMEContext->IRPPending);
 701                                                 pUrb = pMLMEContext->pUrb;
 702                                         }
 703                                         else if (pNULLContext->IRPPending)
 704                                         {
 705                                                 ASSERT(pNULLContext->IRPPending);
 706                                                 pUrb = pNULLContext->pUrb;
 707                                         }
 708                                         else if (pPsPollContext->IRPPending)
 709                                         {
 710                                                 ASSERT(pPsPollContext->IRPPending);
 711                                                 pUrb = pPsPollContext->pUrb;
 712                                         }
 713                                 }
 714
 715                                 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
 716
 717                                 DBGPRINT(RT_DEBUG_TRACE, ("Maybe the Tx Bulk-Out hanged! Cancel the pending Tx bulks request of idx(%d)!\n", idx));
 718                                 if (pUrb)
 719                                 {
 720                                         DBGPRINT(RT_DEBUG_TRACE, ("Unlink the pending URB!\n"));
 721                                         // unlink it now
 722                                         RTUSB_UNLINK_URB(pUrb);
 723                                         // Sleep 200 microseconds to give cancellation time to work
 724                                         RTMPusecDelay(200);
 725                                         needDumpSeq = TRUE;
 726                                 }
 727                                 else
 728                                 {
 729                                         DBGPRINT(RT_DEBUG_ERROR, ("Unkonw bulkOut URB maybe hanged!!!!!!!!!!!!\n"));
 730                                 }
 731                         }
 732                         else
 733                         {
 734                                 RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
 735                         }
 736                 }
 737                 else
 738                 {
 739                         RTMP_IRQ_UNLOCK(&pAd->BulkOutLock[idx], irqFlags);
 740                 }
 741         }
 742
 743 #ifdef DOT11_N_SUPPORT
 744         // For Sigma debug, dump the ba_reordering sequence.
 745         if((needDumpSeq == TRUE) && (pAd->CommonCfg.bDisableReordering == 0))
 746         {
 747                 USHORT                          Idx;
 748                 PBA_REC_ENTRY           pBAEntry = NULL;
 749                 UCHAR                           count = 0;
 750                 struct reordering_mpdu *mpdu_blk;
 751
 752                 Idx = pAd->MacTab.Content[BSSID_WCID].BARecWcidArray[0];
 753
 754                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
 755                 if((pBAEntry->list.qlen > 0) && (pBAEntry->list.next != NULL))
 756                 {
 757                         DBGPRINT(RT_DEBUG_TRACE, ("NICUpdateRawCounters():The Queueing pkt in reordering buffer:\n"));
 758                         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 759                         mpdu_blk = pBAEntry->list.next;
 760                         while (mpdu_blk)
 761                         {
 762                                 DBGPRINT(RT_DEBUG_TRACE, ("\t%d:Seq-%d, bAMSDU-%d!\n", count, mpdu_blk->Sequence, mpdu_blk->bAMSDU));
 763                                 mpdu_blk = mpdu_blk->next;
 764                                 count++;
 765                         }
 766
 767                         DBGPRINT(RT_DEBUG_TRACE, ("\npBAEntry->LastIndSeq=%d!\n", pBAEntry->LastIndSeq));
 768                         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 769                 }
 770         }
 771 #endif // DOT11_N_SUPPORT //
 772 }
 773
 774 /*
 775 ========================================================================
 776 Routine Description:
 777     Release allocated resources.
 778
 779 Arguments:
 780     *dev                                Point to the PCI or USB device
 781         pAd                                     driver control block pointer
 782
 783 Return Value:
 784     None
 785
 786 Note:
 787 ========================================================================
 788 */
 789 static void _rtusb_disconnect(struct usb_device *dev, PRTMP_ADAPTER pAd)
 790 {
 791         struct net_device       *net_dev = NULL;
 792
 793
 794         DBGPRINT(RT_DEBUG_ERROR, ("rtusb_disconnect: unregister usbnet usb-%s-%s\n",
 795                                 dev->bus->bus_name, dev->devpath));
 796         if (!pAd)
 797         {
 798 #ifdef MULTIPLE_CARD_SUPPORT
 799                 if ((pAd->MC_RowID >= 0) && (pAd->MC_RowID <= MAX_NUM_OF_MULTIPLE_CARD))
 800                         MC_CardUsed[pAd->MC_RowID] = 0; // not clear MAC address
 801 #endif // MULTIPLE_CARD_SUPPORT //
 802
 803 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
 804                 while(MOD_IN_USE > 0)
 805                 {
 806                         MOD_DEC_USE_COUNT;
 807                 }
 808 #else
 809                 usb_put_dev(dev);
 810 #endif // LINUX_VERSION_CODE //
 811
 812                 printk("rtusb_disconnect: pAd == NULL!\n");
 813                 return;
 814         }
 815         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST);
 816
 817
 818
 819         // for debug, wait to show some messages to /proc system
 820         udelay(1);
 821
 822
 823
 824
 825         net_dev = pAd->net_dev;
 826         if (pAd->net_dev != NULL)
 827         {
 828                 printk("rtusb_disconnect: unregister_netdev(), dev->name=%s!\n", net_dev->name);
 829                 unregister_netdev (pAd->net_dev);
 830         }
 831         udelay(1);
 832 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
 833 #else
 834         flush_scheduled_work();
 835 #endif // LINUX_VERSION_CODE //
 836         udelay(1);
 837
 838         // free net_device memory
 839 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
 840         kfree(net_dev);
 841 #else
 842         free_netdev(net_dev);
 843 #endif // LINUX_VERSION_CODE //
 844
 845         // free adapter memory
 846         RTMPFreeAdapter(pAd);
 847
 848         // release a use of the usb device structure
 849 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
 850         while(MOD_IN_USE > 0)
 851         {
 852                 MOD_DEC_USE_COUNT;
 853         }
 854 #else
 855         usb_put_dev(dev);
 856 #endif // LINUX_VERSION_CODE //
 857         udelay(1);
 858
 859         DBGPRINT(RT_DEBUG_ERROR, (" RTUSB disconnect successfully\n"));
 860 }
 861
 862
 863 /*
 864 ========================================================================
 865 Routine Description:
 866     Probe RT28XX chipset.
 867
 868 Arguments:
 869     *dev                                Point to the PCI or USB device
 870         interface
 871         *id_table                       Point to the PCI or USB device ID
 872
 873 Return Value:
 874     None
 875
 876 Note:
 877 ========================================================================
 878 */
 879 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
 880 static void *rtusb_probe(struct usb_device *dev, UINT interface,
 881                                                 const struct usb_device_id *id)
 882 {
 883         PRTMP_ADAPTER pAd;
 884         rt28xx_probe((void *)dev, (void *)id, interface, &pAd);
 885         return (void *)pAd;
 886 }
 887
 888 //Disconnect function is called within exit routine
 889 static void rtusb_disconnect(struct usb_device *dev, void *ptr)
 890 {
 891         _rtusb_disconnect(dev, ((PRTMP_ADAPTER)ptr));
 892 }
 893
 894 #else   /* kernel 2.6 series */
 895 static int rtusb_probe (struct usb_interface *intf,
 896                                                 const struct usb_device_id *id)
 897 {
 898         PRTMP_ADAPTER pAd;
 899         return (int)rt28xx_probe((void *)intf, (void *)id, 0, &pAd);
 900 }
 901
 902
 903 static void rtusb_disconnect(struct usb_interface *intf)
 904 {
 905         struct usb_device   *dev = interface_to_usbdev(intf);
 906         PRTMP_ADAPTER       pAd;
 907
 908
 909         pAd = usb_get_intfdata(intf);
 910         usb_set_intfdata(intf, NULL);
 911
 912         _rtusb_disconnect(dev, pAd);
 913 }
 914 #endif // LINUX_VERSION_CODE //
 915
 916
 917 /*
 918 ========================================================================
 919 Routine Description:
 920     Close kernel threads.
 921
 922 Arguments:
 923         *pAd                            the raxx interface data pointer
 924
 925 Return Value:
 926     NONE
 927
 928 Note:
 929 ========================================================================
 930 */
 931 VOID RT28xxThreadTerminate(
 932         IN RTMP_ADAPTER *pAd)
 933 {
 934         POS_COOKIE      pObj = (POS_COOKIE) pAd->OS_Cookie;
 935         INT                     ret;
 936
 937
 938         // Sleep 50 milliseconds so pending io might finish normally
 939         RTMPusecDelay(50000);
 940
 941         // We want to wait until all pending receives and sends to the
 942         // device object. We cancel any
 943         // irps. Wait until sends and receives have stopped.
 944         RTUSBCancelPendingIRPs(pAd);
 945
 946         // Terminate Threads
 947         BUG_ON(pObj->TimerQThr_task == NULL);
 948         CHECK_PID_LEGALITY(task_pid(pObj->TimerQThr_task))
 949         {
 950                 POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie;
 951
 952                 printk(KERN_DEBUG "Terminate the TimerQThr pid=%d!\n",
 953                         pid_nr(task_pid(pObj->TimerQThr_task)));
 954                 mb();
 955                 pAd->TimerFunc_kill = 1;
 956                 mb();
 957                 kthread_stop(pObj->TimerQThr_task);
 958                 pObj->TimerQThr_task = NULL;
 959         }
 960
 961         BUG_ON(pObj->MLMEThr_task == NULL);
 962         CHECK_PID_LEGALITY(task_pid(pObj->MLMEThr_task))
 963         {
 964                 printk(KERN_DEBUG "Terminate the MLMEThr pid=%d!\n",
 965                         pid_nr(task_pid(pObj->MLMEThr_task)));
 966                 mb();
 967                 pAd->mlme_kill = 1;
 968                 //RT28XX_MLME_HANDLER(pAd);
 969                 mb();
 970                 kthread_stop(pObj->MLMEThr_task);
 971                 pObj->MLMEThr_task = NULL;
 972         }
 973
 974         BUG_ON(pObj->RTUSBCmdThr_task == NULL);
 975         CHECK_PID_LEGALITY(task_pid(pObj->RTUSBCmdThr_task))
 976         {
 977                 printk(KERN_DEBUG "Terminate the RTUSBCmdThr pid=%d!\n",
 978                         pid_nr(task_pid(pObj->RTUSBCmdThr_task)));
 979                 mb();
 980                 NdisAcquireSpinLock(&pAd->CmdQLock);
 981                 pAd->CmdQ.CmdQState = RT2870_THREAD_STOPED;
 982                 NdisReleaseSpinLock(&pAd->CmdQLock);
 983                 mb();
 984                 //RTUSBCMDUp(pAd);
 985                 kthread_stop(pObj->RTUSBCmdThr_task);
 986                 pObj->RTUSBCmdThr_task = NULL;
 987         }
 988
 989
 990         // Kill tasklets
 991         pAd->mlme_kill = 0;
 992         pAd->CmdQ.CmdQState = RT2870_THREAD_UNKNOWN;
 993         pAd->TimerFunc_kill = 0;
 994 }
 995
 996
 997 void kill_thread_task(IN PRTMP_ADAPTER pAd)
 998 {
 999         POS_COOKIE pObj;
1000
1001         pObj = (POS_COOKIE) pAd->OS_Cookie;
1002
1003         tasklet_kill(&pObj->rx_done_task);
1004         tasklet_kill(&pObj->mgmt_dma_done_task);
1005         tasklet_kill(&pObj->ac0_dma_done_task);
1006         tasklet_kill(&pObj->ac1_dma_done_task);
1007         tasklet_kill(&pObj->ac2_dma_done_task);
1008         tasklet_kill(&pObj->ac3_dma_done_task);
1009         tasklet_kill(&pObj->hcca_dma_done_task);
1010         tasklet_kill(&pObj->tbtt_task);
1011
1012 }
1013
1014
1015 /*
1016 ========================================================================
1017 Routine Description:
1018     Check the chipset vendor/product ID.
1019
1020 Arguments:
1021     _dev_p                              Point to the PCI or USB device
1022
1023 Return Value:
1024     TRUE                                Check ok
1025         FALSE                           Check fail
1026
1027 Note:
1028 ========================================================================
1029 */
1030 BOOLEAN RT28XXChipsetCheck(
1031         IN void *_dev_p)
1032 {
1033 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
1034         struct usb_device *dev_p = (struct usb_device *)_dev_p;
1035 #else
1036         struct usb_interface *intf = (struct usb_interface *)_dev_p;
1037         struct usb_device *dev_p = interface_to_usbdev(intf);
1038 #endif // LINUX_VERSION_CODE //
1039         UINT32 i;
1040
1041
1042         for(i=0; i<rtusb_usb_id_len; i++)
1043         {
1044                 if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
1045                         dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct)
1046                 {
1047                         printk(KERN_DEBUG "rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
1048                                         dev_p->descriptor.idVendor, dev_p->descriptor.idProduct);
1049                         break;
1050                 }
1051         }
1052
1053         if (i == rtusb_usb_id_len)
1054         {
1055                 printk("rt2870: Error! Device Descriptor not matching!\n");
1056                 return FALSE;
1057         }
1058
1059         return TRUE;
1060 }
1061
1062
1063 /*
1064 ========================================================================
1065 Routine Description:
1066     Init net device structure.
1067
1068 Arguments:
1069     _dev_p                              Point to the PCI or USB device
1070     *net_dev                    Point to the net device
1071         *pAd                            the raxx interface data pointer
1072
1073 Return Value:
1074     TRUE                                Init ok
1075         FALSE                           Init fail
1076
1077 Note:
1078 ========================================================================
1079 */
1080 BOOLEAN RT28XXNetDevInit(
1081         IN void                                 *_dev_p,
1082         IN struct  net_device   *net_dev,
1083         IN RTMP_ADAPTER                 *pAd)
1084 {
1085 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
1086         struct usb_device *dev_p = (struct usb_device *)_dev_p;
1087 #else
1088         struct usb_interface *intf = (struct usb_interface *)_dev_p;
1089         struct usb_device *dev_p = interface_to_usbdev(intf);
1090 #endif // LINUX_VERSION_CODE //
1091
1092
1093 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)  /* kernel 2.4 series */
1094         pAd->config = dev_p->config;
1095 #else
1096         pAd->config = &dev_p->config->desc;
1097 #endif // LINUX_VERSION_CODE //
1098         return TRUE;
1099 }
1100
1101
1102 /*
1103 ========================================================================
1104 Routine Description:
1105     Init net device structure.
1106
1107 Arguments:
1108     _dev_p                              Point to the PCI or USB device
1109         *pAd                            the raxx interface data pointer
1110
1111 Return Value:
1112     TRUE                                Config ok
1113         FALSE                           Config fail
1114
1115 Note:
1116 ========================================================================
1117 */
1118 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
1119 BOOLEAN RT28XXProbePostConfig(
1120         IN void                                 *_dev_p,
1121         IN RTMP_ADAPTER                 *pAd,
1122         IN INT32                                interface)
1123 {
1124         struct usb_device *dev_p = (struct usb_device *)_dev_p;
1125         struct usb_interface *intf;
1126         struct usb_interface_descriptor *iface_desc;
1127         struct usb_endpoint_descriptor *endpoint;
1128         ULONG BulkOutIdx;
1129         UINT32 i;
1130
1131
1132         /* get the active interface descriptor */
1133         intf = &dev_p->actconfig->interface[interface];
1134         iface_desc = &intf->altsetting[0];
1135
1136         /* get # of enpoints */
1137         pAd->NumberOfPipes = iface_desc->bNumEndpoints;
1138         DBGPRINT(RT_DEBUG_TRACE, ("NumEndpoints=%d\n", iface_desc->bNumEndpoints));
1139
1140         /* Configure Pipes */
1141         endpoint = &iface_desc->endpoint[0];
1142         BulkOutIdx = 0;
1143
1144         for(i=0; i<pAd->NumberOfPipes; i++)
1145         {
1146                 if ((endpoint[i].bmAttributes == USB_ENDPOINT_XFER_BULK) &&
1147                         ((endpoint[i].bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN))
1148                 {
1149                         pAd->BulkInEpAddr = endpoint[i].bEndpointAddress;
1150                         pAd->BulkInMaxPacketSize = endpoint[i].wMaxPacketSize;
1151
1152                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1153                                 ("BULK IN MaximumPacketSize = %d\n", pAd->BulkInMaxPacketSize));
1154                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1155                                 ("EP address = 0x%2x  \n", endpoint[i].bEndpointAddress));
1156                 }
1157                 else if ((endpoint[i].bmAttributes == USB_ENDPOINT_XFER_BULK) &&
1158                                 ((endpoint[i].bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT))
1159                 {
1160                         // There are 6 bulk out EP. EP6 highest priority.
1161                         // EP1-4 is EDCA.  EP5 is HCCA.
1162                         pAd->BulkOutEpAddr[BulkOutIdx++] = endpoint[i].bEndpointAddress;
1163                         pAd->BulkOutMaxPacketSize = endpoint[i].wMaxPacketSize;
1164
1165                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1166                                 ("BULK OUT MaximumPacketSize = %d\n", pAd->BulkOutMaxPacketSize));
1167                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1168                                 ("EP address = 0x%2x  \n", endpoint[i].bEndpointAddress));
1169                 }
1170         }
1171
1172         if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0]))
1173         {
1174                 printk("Could not find both bulk-in and bulk-out endpoints\n");
1175                 return FALSE;
1176         }
1177
1178         return TRUE;
1179 }
1180
1181 #else
1182 BOOLEAN RT28XXProbePostConfig(
1183         IN void                                 *_dev_p,
1184         IN RTMP_ADAPTER                 *pAd,
1185         IN INT32                                interface)
1186 {
1187         struct usb_interface *intf = (struct usb_interface *)_dev_p;
1188         struct usb_host_interface *iface_desc;
1189         ULONG BulkOutIdx;
1190         UINT32 i;
1191
1192
1193         /* get the active interface descriptor */
1194         iface_desc = intf->cur_altsetting;
1195
1196         /* get # of enpoints  */
1197         pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
1198         DBGPRINT(RT_DEBUG_TRACE,
1199                         ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));
1200
1201         /* Configure Pipes */
1202         BulkOutIdx = 0;
1203
1204         for(i=0; i<pAd->NumberOfPipes; i++)
1205         {
1206                 if ((iface_desc->endpoint[i].desc.bmAttributes ==
1207                                 USB_ENDPOINT_XFER_BULK) &&
1208                         ((iface_desc->endpoint[i].desc.bEndpointAddress &
1209                                 USB_ENDPOINT_DIR_MASK) == USB_DIR_IN))
1210                 {
1211                         pAd->BulkInEpAddr = iface_desc->endpoint[i].desc.bEndpointAddress;
1212                         pAd->BulkInMaxPacketSize = iface_desc->endpoint[i].desc.wMaxPacketSize;
1213
1214                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1215                                 ("BULK IN MaximumPacketSize = %d\n", pAd->BulkInMaxPacketSize));
1216                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1217                                 ("EP address = 0x%2x\n", iface_desc->endpoint[i].desc.bEndpointAddress));
1218                 }
1219                 else if ((iface_desc->endpoint[i].desc.bmAttributes ==
1220                                         USB_ENDPOINT_XFER_BULK) &&
1221                                 ((iface_desc->endpoint[i].desc.bEndpointAddress &
1222                                         USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT))
1223                 {
1224                         // there are 6 bulk out EP. EP6 highest priority.
1225                         // EP1-4 is EDCA.  EP5 is HCCA.
1226                         pAd->BulkOutEpAddr[BulkOutIdx++] = iface_desc->endpoint[i].desc.bEndpointAddress;
1227                         pAd->BulkOutMaxPacketSize = iface_desc->endpoint[i].desc.wMaxPacketSize;
1228
1229                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1230                                 ("BULK OUT MaximumPacketSize = %d\n", pAd->BulkOutMaxPacketSize));
1231                         DBGPRINT_RAW(RT_DEBUG_TRACE,
1232                                 ("EP address = 0x%2x  \n", iface_desc->endpoint[i].desc.bEndpointAddress));
1233                 }
1234         }
1235
1236         if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0]))
1237         {
1238                 printk("%s: Could not find both bulk-in and bulk-out endpoints\n", __func__);
1239                 return FALSE;
1240         }
1241
1242         return TRUE;
1243 }
1244 #endif // LINUX_VERSION_CODE //
1245
1246
1247 /*
1248 ========================================================================
1249 Routine Description:
1250     Disable DMA.
1251
1252 Arguments:
1253         *pAd                            the raxx interface data pointer
1254
1255 Return Value:
1256         None
1257
1258 Note:
1259 ========================================================================
1260 */
1261 VOID RT28XXDMADisable(
1262         IN RTMP_ADAPTER                 *pAd)
1263 {
1264         // no use
1265 }
1266
1267
1268
1269 /*
1270 ========================================================================
1271 Routine Description:
1272     Enable DMA.
1273
1274 Arguments:
1275         *pAd                            the raxx interface data pointer
1276
1277 Return Value:
1278         None
1279
1280 Note:
1281 ========================================================================
1282 */
1283 VOID RT28XXDMAEnable(
1284         IN RTMP_ADAPTER                 *pAd)
1285 {
1286         WPDMA_GLO_CFG_STRUC     GloCfg;
1287         USB_DMA_CFG_STRUC       UsbCfg;
1288         int                                     i = 0;
1289
1290
1291         RTMP_IO_WRITE32(pAd, MAC_SYS_CTRL, 0x4);
1292         do
1293         {
1294                 RTMP_IO_READ32(pAd, WPDMA_GLO_CFG, &GloCfg.word);
1295                 if ((GloCfg.field.TxDMABusy == 0)  && (GloCfg.field.RxDMABusy == 0))
1296                         break;
1297
1298                 DBGPRINT(RT_DEBUG_TRACE, ("==>  DMABusy\n"));
1299                 RTMPusecDelay(1000);
1300                 i++;
1301         }while ( i <200);
1302
1303
1304         RTMPusecDelay(50);
1305         GloCfg.field.EnTXWriteBackDDONE = 1;
1306         GloCfg.field.EnableRxDMA = 1;
1307         GloCfg.field.EnableTxDMA = 1;
1308         DBGPRINT(RT_DEBUG_TRACE, ("<== WRITE DMA offset 0x208 = 0x%x\n", GloCfg.word));
1309         RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word);
1310
1311         UsbCfg.word = 0;
1312         UsbCfg.field.phyclear = 0;
1313         /* usb version is 1.1,do not use bulk in aggregation */
1314         if (pAd->BulkInMaxPacketSize == 512)
1315                         UsbCfg.field.RxBulkAggEn = 1;
1316         /* for last packet, PBF might use more than limited, so minus 2 to prevent from error */
1317         UsbCfg.field.RxBulkAggLmt = (MAX_RXBULK_SIZE /1024)-3;
1318         UsbCfg.field.RxBulkAggTOut = 0x80; /* 2006-10-18 */
1319         UsbCfg.field.RxBulkEn = 1;
1320         UsbCfg.field.TxBulkEn = 1;
1321
1322         RTUSBWriteMACRegister(pAd, USB_DMA_CFG, UsbCfg.word);
1323
1324 }
1325
1326 /*
1327 ========================================================================
1328 Routine Description:
1329     Write Beacon buffer to Asic.
1330
1331 Arguments:
1332         *pAd                            the raxx interface data pointer
1333
1334 Return Value:
1335         None
1336
1337 Note:
1338 ========================================================================
1339 */
1340 VOID RT28xx_UpdateBeaconToAsic(
1341         IN RTMP_ADAPTER         *pAd,
1342         IN INT                          apidx,
1343         IN ULONG                        FrameLen,
1344         IN ULONG                        UpdatePos)
1345 {
1346         PUCHAR          pBeaconFrame = NULL;
1347         UCHAR                   *ptr;
1348         UINT                    i, padding;
1349         BEACON_SYNC_STRUCT      *pBeaconSync = pAd->CommonCfg.pBeaconSync;
1350         UINT32                  longValue;
1351         BOOLEAN                 bBcnReq = FALSE;
1352         UCHAR                   bcn_idx = 0;
1353
1354
1355         if (pBeaconFrame == NULL)
1356         {
1357                 DBGPRINT(RT_DEBUG_ERROR,("pBeaconFrame is NULL!\n"));
1358                 return;
1359         }
1360
1361         if (pBeaconSync == NULL)
1362         {
1363                 DBGPRINT(RT_DEBUG_ERROR,("pBeaconSync is NULL!\n"));
1364                 return;
1365         }
1366
1367         //if ((pAd->WdsTab.Mode == WDS_BRIDGE_MODE) ||
1368         //      ((pAd->ApCfg.MBSSID[apidx].MSSIDDev == NULL) || !(pAd->ApCfg.MBSSID[apidx].MSSIDDev->flags & IFF_UP))
1369         //      )
1370         if (bBcnReq == FALSE)
1371         {
1372                 /* when the ra interface is down, do not send its beacon frame */
1373                 /* clear all zero */
1374                 for(i=0; i<TXWI_SIZE; i+=4) {
1375                         RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, 0x00);
1376                 }
1377                 pBeaconSync->BeaconBitMap &= (~(BEACON_BITMAP_MASK & (1 << bcn_idx)));
1378                 NdisZeroMemory(pBeaconSync->BeaconTxWI[bcn_idx], TXWI_SIZE);
1379         }
1380         else
1381         {
1382                 ptr = (PUCHAR)&pAd->BeaconTxWI;
1383 #ifdef RT_BIG_ENDIAN
1384                 RTMPWIEndianChange(ptr, TYPE_TXWI);
1385 #endif
1386                 if (NdisEqualMemory(pBeaconSync->BeaconTxWI[bcn_idx], &pAd->BeaconTxWI, TXWI_SIZE) == FALSE)
1387                 {       // If BeaconTxWI changed, we need to rewrite the TxWI for the Beacon frames.
1388                         pBeaconSync->BeaconBitMap &= (~(BEACON_BITMAP_MASK & (1 << bcn_idx)));
1389                         NdisMoveMemory(pBeaconSync->BeaconTxWI[bcn_idx], &pAd->BeaconTxWI, TXWI_SIZE);
1390                 }
1391
1392                 if ((pBeaconSync->BeaconBitMap & (1 << bcn_idx)) != (1 << bcn_idx))
1393                 {
1394                         for (i=0; i<TXWI_SIZE; i+=4)  // 16-byte TXWI field
1395                         {
1396                                 longValue =  *ptr + (*(ptr+1)<<8) + (*(ptr+2)<<16) + (*(ptr+3)<<24);
1397                                 RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[bcn_idx] + i, longValue);
1398                                 ptr += 4;
1399                         }
1400                 }
1401
1402                 ptr = pBeaconSync->BeaconBuf[bcn_idx];
1403                 padding = (FrameLen & 0x01);
1404                 NdisZeroMemory((PUCHAR)(pBeaconFrame + FrameLen), padding);
1405                 FrameLen += padding;
1406                 for (i = 0 ; i < FrameLen /*HW_BEACON_OFFSET*/; i += 2)
1407                 {
1408                         if (NdisEqualMemory(ptr, pBeaconFrame, 2) == FALSE)
1409                         {
1410                                 NdisMoveMemory(ptr, pBeaconFrame, 2);
1411                                 //shortValue = *ptr + (*(ptr+1)<<8);
1412                                 //RTMP_IO_WRITE8(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, shortValue);
1413                                 RTUSBMultiWrite(pAd, pAd->BeaconOffset[bcn_idx] + TXWI_SIZE + i, ptr, 2);
1414                         }
1415                         ptr +=2;
1416                         pBeaconFrame += 2;
1417                 }
1418
1419                 pBeaconSync->BeaconBitMap |= (1 << bcn_idx);
1420         }
1421
1422 }
1423
1424
1425 VOID RT2870_BssBeaconStop(
1426         IN RTMP_ADAPTER *pAd)
1427 {
1428         BEACON_SYNC_STRUCT      *pBeaconSync;
1429         int i, offset;
1430         BOOLEAN Cancelled = TRUE;
1431
1432         pBeaconSync = pAd->CommonCfg.pBeaconSync;
1433         if (pBeaconSync && pBeaconSync->EnableBeacon)
1434         {
1435                 INT NumOfBcn;
1436
1437
1438 #ifdef CONFIG_STA_SUPPORT
1439                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1440                 {
1441                         NumOfBcn = MAX_MESH_NUM;
1442                 }
1443 #endif // CONFIG_STA_SUPPORT //
1444
1445                 RTMPCancelTimer(&pAd->CommonCfg.BeaconUpdateTimer, &Cancelled);
1446
1447                 for(i=0; i<NumOfBcn; i++)
1448                 {
1449                         NdisZeroMemory(pBeaconSync->BeaconBuf[i], HW_BEACON_OFFSET);
1450                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
1451
1452                         for (offset=0; offset<HW_BEACON_OFFSET; offset+=4)
1453                                 RTMP_IO_WRITE32(pAd, pAd->BeaconOffset[i] + offset, 0x00);
1454
1455                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
1456                         pBeaconSync->TimIELocationInBeacon[i] = 0;
1457                 }
1458                 pBeaconSync->BeaconBitMap = 0;
1459                 pBeaconSync->DtimBitOn = 0;
1460         }
1461 }
1462
1463
1464 VOID RT2870_BssBeaconStart(
1465         IN RTMP_ADAPTER *pAd)
1466 {
1467         int apidx;
1468         BEACON_SYNC_STRUCT      *pBeaconSync;
1469 //      LARGE_INTEGER   tsfTime, deltaTime;
1470
1471         pBeaconSync = pAd->CommonCfg.pBeaconSync;
1472         if (pBeaconSync && pBeaconSync->EnableBeacon)
1473         {
1474                 INT NumOfBcn;
1475
1476
1477 #ifdef CONFIG_STA_SUPPORT
1478                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1479                 {
1480                         NumOfBcn = MAX_MESH_NUM;
1481                 }
1482 #endif // CONFIG_STA_SUPPORT //
1483
1484                 for(apidx=0; apidx<NumOfBcn; apidx++)
1485                 {
1486                         UCHAR CapabilityInfoLocationInBeacon = 0;
1487                         UCHAR TimIELocationInBeacon = 0;
1488
1489                         NdisZeroMemory(pBeaconSync->BeaconBuf[apidx], HW_BEACON_OFFSET);
1490                         pBeaconSync->CapabilityInfoLocationInBeacon[apidx] = CapabilityInfoLocationInBeacon;
1491                         pBeaconSync->TimIELocationInBeacon[apidx] = TimIELocationInBeacon;
1492                         NdisZeroMemory(pBeaconSync->BeaconTxWI[apidx], TXWI_SIZE);
1493                 }
1494                 pBeaconSync->BeaconBitMap = 0;
1495                 pBeaconSync->DtimBitOn = 0;
1496                 pAd->CommonCfg.BeaconUpdateTimer.Repeat = TRUE;
1497
1498                 pAd->CommonCfg.BeaconAdjust = 0;
1499                 pAd->CommonCfg.BeaconFactor = 0xffffffff / (pAd->CommonCfg.BeaconPeriod << 10);
1500                 pAd->CommonCfg.BeaconRemain = (0xffffffff % (pAd->CommonCfg.BeaconPeriod << 10)) + 1;
1501                 printk("RT2870_BssBeaconStart:BeaconFactor=%d, BeaconRemain=%d!\n", pAd->CommonCfg.BeaconFactor, pAd->CommonCfg.BeaconRemain);
1502                 RTMPSetTimer(&pAd->CommonCfg.BeaconUpdateTimer, pAd->CommonCfg.BeaconPeriod);
1503
1504         }
1505 }
1506
1507
1508 VOID RT2870_BssBeaconInit(
1509         IN RTMP_ADAPTER *pAd)
1510 {
1511         BEACON_SYNC_STRUCT      *pBeaconSync;
1512         int i;
1513
1514         NdisAllocMemory(pAd->CommonCfg.pBeaconSync, sizeof(BEACON_SYNC_STRUCT), MEM_ALLOC_FLAG);
1515         if (pAd->CommonCfg.pBeaconSync)
1516         {
1517                 pBeaconSync = pAd->CommonCfg.pBeaconSync;
1518                 NdisZeroMemory(pBeaconSync, sizeof(BEACON_SYNC_STRUCT));
1519                 for(i=0; i < HW_BEACON_MAX_COUNT; i++)
1520                 {
1521                         NdisZeroMemory(pBeaconSync->BeaconBuf[i], HW_BEACON_OFFSET);
1522                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
1523                         pBeaconSync->TimIELocationInBeacon[i] = 0;
1524                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
1525                 }
1526                 pBeaconSync->BeaconBitMap = 0;
1527
1528                 //RTMPInitTimer(pAd, &pAd->CommonCfg.BeaconUpdateTimer, GET_TIMER_FUNCTION(BeaconUpdateExec), pAd, TRUE);
1529                 pBeaconSync->EnableBeacon = TRUE;
1530         }
1531 }
1532
1533
1534 VOID RT2870_BssBeaconExit(
1535         IN RTMP_ADAPTER *pAd)
1536 {
1537         BEACON_SYNC_STRUCT      *pBeaconSync;
1538         BOOLEAN Cancelled = TRUE;
1539         int i;
1540
1541         if (pAd->CommonCfg.pBeaconSync)
1542         {
1543                 pBeaconSync = pAd->CommonCfg.pBeaconSync;
1544                 pBeaconSync->EnableBeacon = FALSE;
1545                 RTMPCancelTimer(&pAd->CommonCfg.BeaconUpdateTimer, &Cancelled);
1546                 pBeaconSync->BeaconBitMap = 0;
1547
1548                 for(i=0; i<HW_BEACON_MAX_COUNT; i++)
1549                 {
1550                         NdisZeroMemory(pBeaconSync->BeaconBuf[i], HW_BEACON_OFFSET);
1551                         pBeaconSync->CapabilityInfoLocationInBeacon[i] = 0;
1552                         pBeaconSync->TimIELocationInBeacon[i] = 0;
1553                         NdisZeroMemory(pBeaconSync->BeaconTxWI[i], TXWI_SIZE);
1554                 }
1555
1556                 NdisFreeMemory(pAd->CommonCfg.pBeaconSync, HW_BEACON_OFFSET * HW_BEACON_MAX_COUNT, 0);
1557                 pAd->CommonCfg.pBeaconSync = NULL;
1558         }
1559 }
1560
1561 VOID BeaconUpdateExec(
1562     IN PVOID SystemSpecific1,
1563     IN PVOID FunctionContext,
1564     IN PVOID SystemSpecific2,
1565     IN PVOID SystemSpecific3)
1566 {
1567         PRTMP_ADAPTER   pAd = (PRTMP_ADAPTER)FunctionContext;
1568         LARGE_INTEGER   tsfTime_a;//, tsfTime_b, deltaTime_exp, deltaTime_ab;
1569         UINT32                  delta, remain, remain_low, remain_high;
1570 //      BOOLEAN                 positive;
1571
1572         ReSyncBeaconTime(pAd);
1573
1574
1575
1576         RTMP_IO_READ32(pAd, TSF_TIMER_DW0, &tsfTime_a.u.LowPart);
1577         RTMP_IO_READ32(pAd, TSF_TIMER_DW1, &tsfTime_a.u.HighPart);
1578
1579
1580         //positive=getDeltaTime(tsfTime_a, expectedTime, &deltaTime_exp);
1581         remain_high = pAd->CommonCfg.BeaconRemain * tsfTime_a.u.HighPart;
1582         remain_low = tsfTime_a.u.LowPart % (pAd->CommonCfg.BeaconPeriod << 10);
1583         remain = (remain_high + remain_low)%(pAd->CommonCfg.BeaconPeriod << 10);
1584         delta = (pAd->CommonCfg.BeaconPeriod << 10) - remain;
1585
1586         pAd->CommonCfg.BeaconUpdateTimer.TimerValue = (delta >> 10) + 10;
1587
1588 }
1589