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   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     rt_main_dev.c
  29
  30     Abstract:
  31     Create and register network interface.
  32
  33     Revision History:
  34     Who         When            What
  35     --------    ----------      ----------------------------------------------
  36         Sample          Mar/21/07               Merge RT2870 and RT2860 drivers.
  37 */
  38
  39 #include "rt_config.h"
  40
  41 #define FORTY_MHZ_INTOLERANT_INTERVAL   (60*1000) // 1 min
  42
  43 /*---------------------------------------------------------------------*/
  44 /* Private Variables Used                                              */
  45 /*---------------------------------------------------------------------*/
  46 //static RALINK_TIMER_STRUCT     PeriodicTimer;
  47
  48 char *mac = "";            // default 00:00:00:00:00:00
  49 char *hostname = "";
  50 module_param (mac, charp, 0);
  51 MODULE_PARM_DESC (mac, "rt28xx: wireless mac addr");
  52
  53
  54 /*---------------------------------------------------------------------*/
  55 /* Prototypes of Functions Used                                        */
  56 /*---------------------------------------------------------------------*/
  57 extern BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num);
  58 extern void ba_reordering_resource_release(PRTMP_ADAPTER pAd);
  59 extern NDIS_STATUS NICLoadRateSwitchingParams(IN PRTMP_ADAPTER pAd);
  60
  61
  62 // public function prototype
  63 INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
  64                                                         IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
  65
  66 // private function prototype
  67 static int rt28xx_init(IN struct net_device *net_dev);
  68 INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev);
  69
  70 static void CfgInitHook(PRTMP_ADAPTER pAd);
  71
  72 extern  const struct iw_handler_def rt28xx_iw_handler_def;
  73
  74 #if WIRELESS_EXT >= 12
  75 // This function will be called when query /proc
  76 struct iw_statistics *rt28xx_get_wireless_stats(
  77     IN struct net_device *net_dev);
  78 #endif
  79
  80 struct net_device_stats *RT28xx_get_ether_stats(
  81     IN  struct net_device *net_dev);
  82
  83 /*
  84 ========================================================================
  85 Routine Description:
  86     Close raxx interface.
  87
  88 Arguments:
  89         *net_dev                        the raxx interface pointer
  90
  91 Return Value:
  92     0                                   Open OK
  93         otherwise                       Open Fail
  94
  95 Note:
  96         1. if open fail, kernel will not call the close function.
  97         2. Free memory for
  98                 (1) Mlme Memory Handler:                MlmeHalt()
  99                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 100                 (3) BA Reordering:                              ba_reordering_resource_release()
 101 ========================================================================
 102 */
 103 int MainVirtualIF_close(IN struct net_device *net_dev)
 104 {
 105     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 106
 107         // Sanity check for pAd
 108         if (pAd == NULL)
 109                 return 0; // close ok
 110
 111         netif_carrier_off(pAd->net_dev);
 112         netif_stop_queue(pAd->net_dev);
 113
 114
 115
 116         VIRTUAL_IF_DOWN(pAd);
 117
 118         RT_MOD_DEC_USE_COUNT();
 119
 120         return 0; // close ok
 121 }
 122
 123 /*
 124 ========================================================================
 125 Routine Description:
 126     Open raxx interface.
 127
 128 Arguments:
 129         *net_dev                        the raxx interface pointer
 130
 131 Return Value:
 132     0                                   Open OK
 133         otherwise                       Open Fail
 134
 135 Note:
 136         1. if open fail, kernel will not call the close function.
 137         2. Free memory for
 138                 (1) Mlme Memory Handler:                MlmeHalt()
 139                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 140                 (3) BA Reordering:                              ba_reordering_resource_release()
 141 ========================================================================
 142 */
 143 int MainVirtualIF_open(IN struct net_device *net_dev)
 144 {
 145     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 146
 147         // Sanity check for pAd
 148         if (pAd == NULL)
 149                 return 0; // close ok
 150
 151         if (VIRTUAL_IF_UP(pAd) != 0)
 152                 return -1;
 153
 154         // increase MODULE use count
 155         RT_MOD_INC_USE_COUNT();
 156
 157         netif_start_queue(net_dev);
 158         netif_carrier_on(net_dev);
 159         netif_wake_queue(net_dev);
 160
 161         return 0;
 162 }
 163
 164 /*
 165 ========================================================================
 166 Routine Description:
 167     Close raxx interface.
 168
 169 Arguments:
 170         *net_dev                        the raxx interface pointer
 171
 172 Return Value:
 173     0                                   Open OK
 174         otherwise                       Open Fail
 175
 176 Note:
 177         1. if open fail, kernel will not call the close function.
 178         2. Free memory for
 179                 (1) Mlme Memory Handler:                MlmeHalt()
 180                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 181                 (3) BA Reordering:                              ba_reordering_resource_release()
 182 ========================================================================
 183 */
 184 int rt28xx_close(IN PNET_DEV dev)
 185 {
 186         struct net_device * net_dev = (struct net_device *)dev;
 187     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 188         BOOLEAN                 Cancelled = FALSE;
 189         UINT32                  i = 0;
 190 #ifdef RT2870
 191         DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
 192         DECLARE_WAITQUEUE(wait, current);
 193
 194         //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 195 #endif // RT2870 //
 196
 197
 198     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 199
 200         // Sanity check for pAd
 201         if (pAd == NULL)
 202                 return 0; // close ok
 203
 204         {
 205
 206                 // If dirver doesn't wake up firmware here,
 207                 // NICLoadFirmware will hang forever when interface is up again.
 208                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 209         {
 210                     AsicForceWakeup(pAd, TRUE);
 211         }
 212
 213                 if (INFRA_ON(pAd) &&
 214                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 215                 {
 216                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 217                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 218
 219                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 220                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 221
 222                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 223                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 224                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 225                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 226
 227                         // Prevent to connect AP again in STAMlmePeriodicExec
 228                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 229                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 230
 231                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 232                         MlmeDisassocReqAction(pAd, MsgElem);
 233                         kfree(MsgElem);
 234
 235                         RTMPusecDelay(1000);
 236                 }
 237
 238 #ifdef RT2870
 239         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 240 #endif // RT2870 //
 241
 242 #ifdef CCX_SUPPORT
 243                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 244 #endif
 245
 246                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 247                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 248
 249                 MlmeRadioOff(pAd);
 250         }
 251
 252         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 253
 254         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 255         {
 256                 while (pAd->DeQueueRunning[i] == TRUE)
 257                 {
 258                         printk("Waiting for TxQueue[%d] done..........\n", i);
 259                         RTMPusecDelay(1000);
 260                 }
 261         }
 262
 263 #ifdef RT2870
 264         // ensure there are no more active urbs.
 265         add_wait_queue (&unlink_wakeup, &wait);
 266         pAd->wait = &unlink_wakeup;
 267
 268         // maybe wait for deletions to finish.
 269         i = 0;
 270         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 271         while(i < 25)
 272         {
 273                 unsigned long IrqFlags;
 274
 275                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 276                 if (pAd->PendingRx == 0)
 277                 {
 278                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 279                         break;
 280                 }
 281                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 282
 283                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 284                 i++;
 285         }
 286         pAd->wait = NULL;
 287         remove_wait_queue (&unlink_wakeup, &wait);
 288 #endif // RT2870 //
 289
 290 #ifdef RT2870
 291         // We need clear timerQ related structure before exits of the timer thread.
 292         RT2870_TimerQ_Exit(pAd);
 293         // Close kernel threads or tasklets
 294         RT28xxThreadTerminate(pAd);
 295 #endif // RT2870 //
 296
 297         // Stop Mlme state machine
 298         MlmeHalt(pAd);
 299
 300         // Close kernel threads or tasklets
 301         kill_thread_task(pAd);
 302
 303         MacTableReset(pAd);
 304
 305
 306         MeasureReqTabExit(pAd);
 307         TpcReqTabExit(pAd);
 308
 309
 310
 311
 312         // Free Ring or USB buffers
 313         RTMPFreeTxRxRingMemory(pAd);
 314
 315         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 316
 317         // Free BA reorder resource
 318         ba_reordering_resource_release(pAd);
 319
 320         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 321
 322         return 0; // close ok
 323 } /* End of rt28xx_close */
 324
 325 static int rt28xx_init(IN struct net_device *net_dev)
 326 {
 327         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 328         UINT                                    index;
 329         UCHAR                                   TmpPhy;
 330         NDIS_STATUS                             Status;
 331         UINT32          MacCsr0 = 0;
 332
 333         // Allocate BA Reordering memory
 334         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 335
 336         // Make sure MAC gets ready.
 337         index = 0;
 338         do
 339         {
 340                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 341                 pAd->MACVersion = MacCsr0;
 342
 343                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 344                         break;
 345
 346                 RTMPusecDelay(10);
 347         } while (index++ < 100);
 348
 349         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 350 /*Iverson patch PCIE L1 issue */
 351
 352         // Disable DMA
 353         RT28XXDMADisable(pAd);
 354
 355
 356         // Load 8051 firmware
 357         Status = NICLoadFirmware(pAd);
 358         if (Status != NDIS_STATUS_SUCCESS)
 359         {
 360                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 361                 goto err1;
 362         }
 363
 364         NICLoadRateSwitchingParams(pAd);
 365
 366         // Disable interrupts here which is as soon as possible
 367         // This statement should never be true. We might consider to remove it later
 368
 369         Status = RTMPAllocTxRxRingMemory(pAd);
 370         if (Status != NDIS_STATUS_SUCCESS)
 371         {
 372                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 373                 goto err1;
 374         }
 375
 376         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 377
 378         // initialize MLME
 379         //
 380
 381         Status = MlmeInit(pAd);
 382         if (Status != NDIS_STATUS_SUCCESS)
 383         {
 384                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 385                 goto err2;
 386         }
 387
 388         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 389         //
 390         UserCfgInit(pAd);
 391
 392 #ifdef RT2870
 393         // We need init timerQ related structure before create the timer thread.
 394         RT2870_TimerQ_Init(pAd);
 395 #endif // RT2870 //
 396
 397         RT28XX_TASK_THREAD_INIT(pAd, Status);
 398         if (Status != NDIS_STATUS_SUCCESS)
 399                 goto err1;
 400
 401         CfgInitHook(pAd);
 402
 403         NdisAllocateSpinLock(&pAd->MacTabLock);
 404
 405         MeasureReqTabInit(pAd);
 406         TpcReqTabInit(pAd);
 407
 408         //
 409         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 410         //
 411         Status = NICInitializeAdapter(pAd, TRUE);
 412         if (Status != NDIS_STATUS_SUCCESS)
 413         {
 414                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 415                 if (Status != NDIS_STATUS_SUCCESS)
 416                 goto err3;
 417         }
 418
 419         // Read parameters from Config File
 420         Status = RTMPReadParametersHook(pAd);
 421
 422         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 423         if (Status != NDIS_STATUS_SUCCESS)
 424         {
 425                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 426                 goto err4;
 427         }
 428
 429 #ifdef RT2870
 430         pAd->CommonCfg.bMultipleIRP = FALSE;
 431
 432         if (pAd->CommonCfg.bMultipleIRP)
 433                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 434         else
 435                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 436 #endif // RT2870 //
 437
 438
 439         //Init Ba Capability parameters.
 440 //      RT28XX_BA_INIT(pAd);
 441         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 442         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 443         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 444         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 445         // UPdata to HT IE
 446         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 447         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 448         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 449
 450         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 451
 452         // We should read EEPROM for all cases.  rt2860b
 453         NICReadEEPROMParameters(pAd, mac);
 454
 455         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 456
 457         NICInitAsicFromEEPROM(pAd); //rt2860b
 458
 459         // Set PHY to appropriate mode
 460         TmpPhy = pAd->CommonCfg.PhyMode;
 461         pAd->CommonCfg.PhyMode = 0xff;
 462         RTMPSetPhyMode(pAd, TmpPhy);
 463         SetCommonHT(pAd);
 464
 465         // No valid channels.
 466         if (pAd->ChannelListNum == 0)
 467         {
 468                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 469                 goto err4;
 470         }
 471
 472         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 473            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 474            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 475
 476 #ifdef RT30xx
 477     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 478         NICInitRT30xxRFRegisters(pAd);
 479 #endif // RT30xx //
 480
 481 #ifdef IKANOS_VX_1X0
 482         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 483 #endif // IKANOS_VX_1X0 //
 484
 485                 //
 486         // Initialize RF register to default value
 487         //
 488         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 489         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 490
 491         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 492         {
 493                 //
 494                 // Undo everything if it failed
 495                 //
 496                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 497                 {
 498                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 499                 }
 500         }
 501         else if (pAd)
 502         {
 503                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 504                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 505                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 506
 507                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 508
 509
 510 #ifdef RT2870
 511                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 512                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 513
 514                 //
 515                 // Support multiple BulkIn IRP,
 516                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 517                 //
 518                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 519                 {
 520                         RTUSBBulkReceive(pAd);
 521                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 522                 }
 523 #endif // RT2870 //
 524         }// end of else
 525
 526
 527         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 528
 529         return TRUE;
 530
 531
 532 err4:
 533 err3:
 534         MlmeHalt(pAd);
 535 err2:
 536         RTMPFreeTxRxRingMemory(pAd);
 537 err1:
 538         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 539         RT28XX_IRQ_RELEASE(net_dev);
 540
 541         // shall not set priv to NULL here because the priv didn't been free yet.
 542         //net_dev->ml_priv = 0;
 543
 544         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 545         return FALSE;
 546 } /* End of rt28xx_init */
 547
 548
 549 /*
 550 ========================================================================
 551 Routine Description:
 552     Open raxx interface.
 553
 554 Arguments:
 555         *net_dev                        the raxx interface pointer
 556
 557 Return Value:
 558     0                                   Open OK
 559         otherwise                       Open Fail
 560
 561 Note:
 562 ========================================================================
 563 */
 564 int rt28xx_open(IN PNET_DEV dev)
 565 {
 566         struct net_device * net_dev = (struct net_device *)dev;
 567         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 568         int retval = 0;
 569         POS_COOKIE pObj;
 570
 571
 572         // Sanity check for pAd
 573         if (pAd == NULL)
 574         {
 575                 /* if 1st open fail, pAd will be free;
 576                    So the net_dev->ml_priv will be NULL in 2rd open */
 577                 return -1;
 578         }
 579
 580         // Init
 581         pObj = (POS_COOKIE)pAd->OS_Cookie;
 582
 583         // reset Adapter flags
 584         RTMP_CLEAR_FLAGS(pAd);
 585
 586         // Request interrupt service routine for PCI device
 587         // register the interrupt routine with the os
 588         RT28XX_IRQ_REQUEST(net_dev);
 589
 590
 591         // Init BssTab & ChannelInfo tabbles for auto channel select.
 592
 593
 594         // Chip & other init
 595         if (rt28xx_init(net_dev) == FALSE)
 596                 goto err;
 597
 598         NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 599         NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 600
 601         // Set up the Mac address
 602         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 603
 604         // Init IRQ parameters
 605         RT28XX_IRQ_INIT(pAd);
 606
 607         // Various AP function init
 608
 609
 610
 611         // Enable Interrupt
 612         RT28XX_IRQ_ENABLE(pAd);
 613
 614         // Now Enable RxTx
 615         RTMPEnableRxTx(pAd);
 616         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 617
 618         {
 619         UINT32 reg = 0;
 620         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 621         printk("0x1300 = %08x\n", reg);
 622         }
 623
 624         return (retval);
 625
 626 err:
 627         return (-1);
 628 } /* End of rt28xx_open */
 629
 630 static const struct net_device_ops rt3070_netdev_ops = {
 631         .ndo_open               = MainVirtualIF_open,
 632         .ndo_stop               = MainVirtualIF_close,
 633         .ndo_do_ioctl           = rt28xx_ioctl,
 634         .ndo_get_stats          = RT28xx_get_ether_stats,
 635         .ndo_validate_addr      = NULL,
 636         .ndo_set_mac_address    = eth_mac_addr,
 637         .ndo_change_mtu         = eth_change_mtu,
 638 #ifdef IKANOS_VX_1X0
 639         .ndo_start_xmit         = IKANOS_DataFramesTx,
 640 #else
 641         .ndo_start_xmit         = rt28xx_send_packets,
 642 #endif
 643 };
 644
 645 /* Must not be called for mdev and apdev */
 646 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 647 {
 648         NDIS_STATUS Status;
 649         INT     i=0;
 650         CHAR    slot_name[IFNAMSIZ];
 651         struct net_device   *device;
 652
 653 #if WIRELESS_EXT >= 12
 654         if (pAd->OpMode == OPMODE_STA)
 655         {
 656                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 657         }
 658 #endif //WIRELESS_EXT >= 12
 659
 660 #if WIRELESS_EXT < 21
 661                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 662 #endif
 663         dev->priv_flags = INT_MAIN;
 664         dev->netdev_ops = &rt3070_netdev_ops;
 665         // find available device name
 666         for (i = 0; i < 8; i++)
 667         {
 668                 sprintf(slot_name, "ra%d", i);
 669
 670                 device = dev_get_by_name(dev_net(dev), slot_name);
 671                 if (device != NULL)
 672                         dev_put(device);
 673
 674                 if (device == NULL)
 675                         break;
 676         }
 677
 678         if(i == 8)
 679         {
 680                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 681                 Status = NDIS_STATUS_FAILURE;
 682         }
 683         else
 684         {
 685                 sprintf(dev->name, "ra%d", i);
 686                 Status = NDIS_STATUS_SUCCESS;
 687         }
 688
 689         return Status;
 690
 691 }
 692
 693 /*
 694 ========================================================================
 695 Routine Description:
 696     Probe RT28XX chipset.
 697
 698 Arguments:
 699     _dev_p                              Point to the PCI or USB device
 700         _dev_id_p                       Point to the PCI or USB device ID
 701
 702 Return Value:
 703     0                                   Probe OK
 704         -ENODEV                         Probe Fail
 705
 706 Note:
 707 ========================================================================
 708 */
 709 INT __devinit   rt28xx_probe(
 710     IN  void *_dev_p,
 711     IN  void *_dev_id_p,
 712         IN  UINT argc,
 713         OUT PRTMP_ADAPTER *ppAd)
 714 {
 715     struct  net_device  *net_dev;
 716     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 717     INT                 status;
 718         PVOID                           handle;
 719 #ifdef RT2870
 720         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 721         struct usb_device *dev_p = interface_to_usbdev(intf);
 722
 723         dev_p = usb_get_dev(dev_p);
 724 #endif // RT2870 //
 725
 726
 727     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 728
 729     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 730     if (net_dev == NULL)
 731     {
 732         printk("alloc_netdev failed\n");
 733
 734         goto err_out;
 735     }
 736
 737         netif_stop_queue(net_dev);
 738
 739 /* for supporting Network Manager */
 740 /* Set the sysfs physical device reference for the network logical device
 741  * if set prior to registration will cause a symlink during initialization.
 742  */
 743     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 744
 745         // Allocate RTMP_ADAPTER miniport adapter structure
 746         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 747         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 748
 749         status = RTMPAllocAdapterBlock(handle, &pAd);
 750         if (status != NDIS_STATUS_SUCCESS)
 751                 goto err_out_free_netdev;
 752
 753         net_dev->ml_priv = (PVOID)pAd;
 754     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 755
 756         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 757
 758     pAd->StaCfg.OriDevType = net_dev->type;
 759
 760         // Post config
 761         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 762                 goto err_out_unmap;
 763
 764         pAd->OpMode = OPMODE_STA;
 765
 766         // sample move
 767         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 768                 goto err_out_unmap;
 769
 770     // Register this device
 771     status = register_netdev(net_dev);
 772     if (status)
 773         goto err_out_unmap;
 774
 775     // Set driver data
 776         RT28XX_DRVDATA_SET(_dev_p);
 777
 778
 779
 780         *ppAd = pAd;
 781     return 0; // probe ok
 782
 783
 784         /* --------------------------- ERROR HANDLE --------------------------- */
 785 err_out_unmap:
 786         RTMPFreeAdapter(pAd);
 787         RT28XX_UNMAP();
 788
 789 err_out_free_netdev:
 790         free_netdev(net_dev);
 791
 792 err_out:
 793         RT28XX_PUT_DEVICE(dev_p);
 794
 795         return -ENODEV; /* probe fail */
 796 } /* End of rt28xx_probe */
 797
 798
 799 /*
 800 ========================================================================
 801 Routine Description:
 802     The entry point for Linux kernel sent packet to our driver.
 803
 804 Arguments:
 805     sk_buff *skb                the pointer refer to a sk_buffer.
 806
 807 Return Value:
 808     0
 809
 810 Note:
 811         This function is the entry point of Tx Path for Os delivery packet to
 812         our driver. You only can put OS-depened & STA/AP common handle procedures
 813         in here.
 814 ========================================================================
 815 */
 816 int rt28xx_packet_xmit(struct sk_buff *skb)
 817 {
 818         struct net_device *net_dev = skb->dev;
 819         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 820         int status = 0;
 821         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 822
 823         {
 824                 // Drop send request since we are in monitor mode
 825                 if (MONITOR_ON(pAd))
 826                 {
 827                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 828                         goto done;
 829                 }
 830         }
 831
 832         // EapolStart size is 18
 833         if (skb->len < 14)
 834         {
 835                 //printk("bad packet size: %d\n", pkt->len);
 836                 hex_dump("bad packet", skb->data, skb->len);
 837                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 838                 goto done;
 839         }
 840
 841         RTMP_SET_PACKET_5VT(pPacket, 0);
 842 #ifdef CONFIG_5VT_ENHANCE
 843     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 844                 RTMP_SET_PACKET_5VT(pPacket, 1);
 845     }
 846 #endif
 847
 848         STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 849
 850         status = 0;
 851 done:
 852
 853         return status;
 854 }
 855
 856
 857 /*
 858 ========================================================================
 859 Routine Description:
 860     Send a packet to WLAN.
 861
 862 Arguments:
 863     skb_p           points to our adapter
 864     dev_p           which WLAN network interface
 865
 866 Return Value:
 867     0: transmit successfully
 868     otherwise: transmit fail
 869
 870 Note:
 871 ========================================================================
 872 */
 873 INT rt28xx_send_packets(
 874         IN struct sk_buff               *skb_p,
 875         IN struct net_device    *net_dev)
 876 {
 877     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 878
 879         if (!(net_dev->flags & IFF_UP))
 880         {
 881                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 882                 return 0;
 883         }
 884
 885         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 886         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 887
 888         return rt28xx_packet_xmit(skb_p);
 889 } /* End of MBSS_VirtualIF_PacketSend */
 890
 891
 892
 893
 894 void CfgInitHook(PRTMP_ADAPTER pAd)
 895 {
 896         pAd->bBroadComHT = TRUE;
 897 } /* End of CfgInitHook */
 898
 899
 900 #if WIRELESS_EXT >= 12
 901 // This function will be called when query /proc
 902 struct iw_statistics *rt28xx_get_wireless_stats(
 903     IN struct net_device *net_dev)
 904 {
 905         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 906
 907
 908         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 909
 910         pAd->iw_stats.status = 0; // Status - device dependent for now
 911
 912         // link quality
 913         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 914         if(pAd->iw_stats.qual.qual > 100)
 915                 pAd->iw_stats.qual.qual = 100;
 916
 917         if (pAd->OpMode == OPMODE_STA)
 918                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 919
 920         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 921
 922         pAd->iw_stats.qual.noise += 256 - 143;
 923         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 924 #ifdef IW_QUAL_DBM
 925         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 926 #endif // IW_QUAL_DBM //
 927
 928         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 929         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 930
 931         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
 932         return &pAd->iw_stats;
 933 } /* End of rt28xx_get_wireless_stats */
 934 #endif // WIRELESS_EXT //
 935
 936
 937
 938 void tbtt_tasklet(unsigned long data)
 939 {
 940 #define MAX_TX_IN_TBTT          (16)
 941
 942 }
 943
 944 INT rt28xx_ioctl(
 945         IN      struct net_device       *net_dev,
 946         IN      OUT     struct ifreq    *rq,
 947         IN      INT                                     cmd)
 948 {
 949         VIRTUAL_ADAPTER *pVirtualAd = NULL;
 950         RTMP_ADAPTER    *pAd = NULL;
 951         INT                             ret = 0;
 952
 953         if (net_dev->priv_flags == INT_MAIN)
 954         {
 955                 pAd = net_dev->ml_priv;
 956         }
 957         else
 958         {
 959                 pVirtualAd = net_dev->ml_priv;
 960                 pAd = pVirtualAd->RtmpDev->ml_priv;
 961         }
 962
 963         if (pAd == NULL)
 964         {
 965                 /* if 1st open fail, pAd will be free;
 966                    So the net_dev->ml_priv will be NULL in 2rd open */
 967                 return -ENETDOWN;
 968         }
 969
 970         ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
 971
 972         return ret;
 973 }
 974
 975 /*
 976     ========================================================================
 977
 978     Routine Description:
 979         return ethernet statistics counter
 980
 981     Arguments:
 982         net_dev                     Pointer to net_device
 983
 984     Return Value:
 985         net_device_stats*
 986
 987     Note:
 988
 989     ========================================================================
 990 */
 991 struct net_device_stats *RT28xx_get_ether_stats(
 992     IN  struct net_device *net_dev)
 993 {
 994     RTMP_ADAPTER *pAd = NULL;
 995
 996         if (net_dev)
 997                 pAd = net_dev->ml_priv;
 998
 999         if (pAd)
1000         {
1001
1002                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1003                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1004
1005                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1006                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1007
1008                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1009                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1010
1011                 pAd->stats.rx_dropped = 0;
1012                 pAd->stats.tx_dropped = 0;
1013
1014             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1015             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1016
1017             pAd->stats.rx_length_errors = 0;
1018             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1019             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1020             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1021             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1022             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1023
1024             // detailed tx_errors
1025             pAd->stats.tx_aborted_errors = 0;
1026             pAd->stats.tx_carrier_errors = 0;
1027             pAd->stats.tx_fifo_errors = 0;
1028             pAd->stats.tx_heartbeat_errors = 0;
1029             pAd->stats.tx_window_errors = 0;
1030
1031             // for cslip etc
1032             pAd->stats.rx_compressed = 0;
1033             pAd->stats.tx_compressed = 0;
1034
1035                 return &pAd->stats;
1036         }
1037         else
1038         return NULL;
1039 }
1040