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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 = "";               // default CMPC
  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 //static BOOLEAN RT28XXAvailRANameAssign(IN CHAR *name_p);
  72
  73 extern  const struct iw_handler_def rt28xx_iw_handler_def;
  74
  75 #if WIRELESS_EXT >= 12
  76 // This function will be called when query /proc
  77 struct iw_statistics *rt28xx_get_wireless_stats(
  78     IN struct net_device *net_dev);
  79 #endif
  80
  81 struct net_device_stats *RT28xx_get_ether_stats(
  82     IN  struct net_device *net_dev);
  83
  84 /*
  85 ========================================================================
  86 Routine Description:
  87     Close raxx interface.
  88
  89 Arguments:
  90         *net_dev                        the raxx interface pointer
  91
  92 Return Value:
  93     0                                   Open OK
  94         otherwise                       Open Fail
  95
  96 Note:
  97         1. if open fail, kernel will not call the close function.
  98         2. Free memory for
  99                 (1) Mlme Memory Handler:                MlmeHalt()
 100                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 101                 (3) BA Reordering:                              ba_reordering_resource_release()
 102 ========================================================================
 103 */
 104 int MainVirtualIF_close(IN struct net_device *net_dev)
 105 {
 106     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 107
 108         // Sanity check for pAd
 109         if (pAd == NULL)
 110                 return 0; // close ok
 111
 112         netif_carrier_off(pAd->net_dev);
 113         netif_stop_queue(pAd->net_dev);
 114
 115
 116
 117         VIRTUAL_IF_DOWN(pAd);
 118
 119         RT_MOD_DEC_USE_COUNT();
 120
 121         return 0; // close ok
 122 }
 123
 124 /*
 125 ========================================================================
 126 Routine Description:
 127     Open raxx interface.
 128
 129 Arguments:
 130         *net_dev                        the raxx interface pointer
 131
 132 Return Value:
 133     0                                   Open OK
 134         otherwise                       Open Fail
 135
 136 Note:
 137         1. if open fail, kernel will not call the close function.
 138         2. Free memory for
 139                 (1) Mlme Memory Handler:                MlmeHalt()
 140                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 141                 (3) BA Reordering:                              ba_reordering_resource_release()
 142 ========================================================================
 143 */
 144 int MainVirtualIF_open(IN struct net_device *net_dev)
 145 {
 146     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 147
 148         // Sanity check for pAd
 149         if (pAd == NULL)
 150                 return 0; // close ok
 151
 152         if (VIRTUAL_IF_UP(pAd) != 0)
 153                 return -1;
 154
 155         // increase MODULE use count
 156         RT_MOD_INC_USE_COUNT();
 157
 158         netif_start_queue(net_dev);
 159         netif_carrier_on(net_dev);
 160         netif_wake_queue(net_dev);
 161
 162         return 0;
 163 }
 164
 165 /*
 166 ========================================================================
 167 Routine Description:
 168     Close raxx interface.
 169
 170 Arguments:
 171         *net_dev                        the raxx interface pointer
 172
 173 Return Value:
 174     0                                   Open OK
 175         otherwise                       Open Fail
 176
 177 Note:
 178         1. if open fail, kernel will not call the close function.
 179         2. Free memory for
 180                 (1) Mlme Memory Handler:                MlmeHalt()
 181                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 182                 (3) BA Reordering:                              ba_reordering_resource_release()
 183 ========================================================================
 184 */
 185 int rt28xx_close(IN PNET_DEV dev)
 186 {
 187         struct net_device * net_dev = (struct net_device *)dev;
 188     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 189         BOOLEAN                 Cancelled = FALSE;
 190         UINT32                  i = 0;
 191 #ifdef RT2870
 192         DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
 193         DECLARE_WAITQUEUE(wait, current);
 194
 195         //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 196 #endif // RT2870 //
 197
 198
 199     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 200
 201         // Sanity check for pAd
 202         if (pAd == NULL)
 203                 return 0; // close ok
 204
 205         {
 206
 207                 // If dirver doesn't wake up firmware here,
 208                 // NICLoadFirmware will hang forever when interface is up again.
 209                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 210         {
 211                     AsicForceWakeup(pAd, TRUE);
 212         }
 213
 214                 if (INFRA_ON(pAd) &&
 215                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 216                 {
 217                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 218                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 219
 220                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 221                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 222
 223                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 224                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 225                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 226                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 227
 228                         // Prevent to connect AP again in STAMlmePeriodicExec
 229                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 230                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 231
 232                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 233                         MlmeDisassocReqAction(pAd, MsgElem);
 234                         kfree(MsgElem);
 235
 236                         RTMPusecDelay(1000);
 237                 }
 238
 239 #ifdef RT2870
 240         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 241 #endif // RT2870 //
 242
 243 #ifdef CCX_SUPPORT
 244                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 245 #endif
 246
 247                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 248                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 249
 250                 MlmeRadioOff(pAd);
 251         }
 252
 253         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 254
 255         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 256         {
 257                 while (pAd->DeQueueRunning[i] == TRUE)
 258                 {
 259                         printk("Waiting for TxQueue[%d] done..........\n", i);
 260                         RTMPusecDelay(1000);
 261                 }
 262         }
 263
 264 #ifdef RT2870
 265         // ensure there are no more active urbs.
 266         add_wait_queue (&unlink_wakeup, &wait);
 267         pAd->wait = &unlink_wakeup;
 268
 269         // maybe wait for deletions to finish.
 270         i = 0;
 271         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 272         while(i < 25)
 273         {
 274                 unsigned long IrqFlags;
 275
 276                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 277                 if (pAd->PendingRx == 0)
 278                 {
 279                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 280                         break;
 281                 }
 282                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 283
 284                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 285                 i++;
 286         }
 287         pAd->wait = NULL;
 288         remove_wait_queue (&unlink_wakeup, &wait);
 289 #endif // RT2870 //
 290
 291         //RTUSBCleanUpMLMEWaitQueue(pAd);       /*not used in RT28xx*/
 292
 293
 294 #ifdef RT2870
 295         // We need clear timerQ related structure before exits of the timer thread.
 296         RT2870_TimerQ_Exit(pAd);
 297         // Close kernel threads or tasklets
 298         RT28xxThreadTerminate(pAd);
 299 #endif // RT2870 //
 300
 301         // Stop Mlme state machine
 302         MlmeHalt(pAd);
 303
 304         // Close kernel threads or tasklets
 305         kill_thread_task(pAd);
 306
 307         MacTableReset(pAd);
 308
 309
 310         MeasureReqTabExit(pAd);
 311         TpcReqTabExit(pAd);
 312
 313
 314
 315
 316         // Free Ring or USB buffers
 317         RTMPFreeTxRxRingMemory(pAd);
 318
 319         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 320
 321         // Free BA reorder resource
 322         ba_reordering_resource_release(pAd);
 323
 324         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 325
 326         return 0; // close ok
 327 } /* End of rt28xx_close */
 328
 329 static int rt28xx_init(IN struct net_device *net_dev)
 330 {
 331         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 332         UINT                                    index;
 333         UCHAR                                   TmpPhy;
 334 //      ULONG                                   Value=0;
 335         NDIS_STATUS                             Status;
 336 //    OID_SET_HT_PHYMODE                SetHT;
 337 //      WPDMA_GLO_CFG_STRUC     GloCfg;
 338         UINT32          MacCsr0 = 0;
 339
 340         // Allocate BA Reordering memory
 341         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 342
 343         // Make sure MAC gets ready.
 344         index = 0;
 345         do
 346         {
 347                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 348                 pAd->MACVersion = MacCsr0;
 349
 350                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 351                         break;
 352
 353                 RTMPusecDelay(10);
 354         } while (index++ < 100);
 355
 356         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 357 /*Iverson patch PCIE L1 issue */
 358
 359         // Disable DMA
 360         RT28XXDMADisable(pAd);
 361
 362
 363         // Load 8051 firmware
 364         Status = NICLoadFirmware(pAd);
 365         if (Status != NDIS_STATUS_SUCCESS)
 366         {
 367                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 368                 goto err1;
 369         }
 370
 371         NICLoadRateSwitchingParams(pAd);
 372
 373         // Disable interrupts here which is as soon as possible
 374         // This statement should never be true. We might consider to remove it later
 375
 376         Status = RTMPAllocTxRxRingMemory(pAd);
 377         if (Status != NDIS_STATUS_SUCCESS)
 378         {
 379                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 380                 goto err1;
 381         }
 382
 383         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 384
 385         // initialize MLME
 386         //
 387
 388         Status = MlmeInit(pAd);
 389         if (Status != NDIS_STATUS_SUCCESS)
 390         {
 391                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 392                 goto err2;
 393         }
 394
 395         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 396         //
 397         UserCfgInit(pAd);
 398
 399 #ifdef RT2870
 400         // We need init timerQ related structure before create the timer thread.
 401         RT2870_TimerQ_Init(pAd);
 402 #endif // RT2870 //
 403
 404         RT28XX_TASK_THREAD_INIT(pAd, Status);
 405         if (Status != NDIS_STATUS_SUCCESS)
 406                 goto err1;
 407
 408 //      COPY_MAC_ADDR(pAd->ApCfg.MBSSID[apidx].Bssid, netif->hwaddr);
 409 //      pAd->bForcePrintTX = TRUE;
 410
 411         CfgInitHook(pAd);
 412
 413         NdisAllocateSpinLock(&pAd->MacTabLock);
 414
 415         MeasureReqTabInit(pAd);
 416         TpcReqTabInit(pAd);
 417
 418         //
 419         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 420         //
 421         Status = NICInitializeAdapter(pAd, TRUE);
 422         if (Status != NDIS_STATUS_SUCCESS)
 423         {
 424                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 425                 if (Status != NDIS_STATUS_SUCCESS)
 426                 goto err3;
 427         }
 428
 429         // Read parameters from Config File
 430         Status = RTMPReadParametersHook(pAd);
 431
 432         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 433         if (Status != NDIS_STATUS_SUCCESS)
 434         {
 435                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 436                 goto err4;
 437         }
 438
 439 #ifdef RT2870
 440         pAd->CommonCfg.bMultipleIRP = FALSE;
 441
 442         if (pAd->CommonCfg.bMultipleIRP)
 443                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 444         else
 445                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 446 #endif // RT2870 //
 447
 448
 449         //Init Ba Capability parameters.
 450 //      RT28XX_BA_INIT(pAd);
 451         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 452         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 453         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 454         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 455         // UPdata to HT IE
 456         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 457         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 458         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 459
 460         // after reading Registry, we now know if in AP mode or STA mode
 461
 462         // Load 8051 firmware; crash when FW image not existent
 463         // Status = NICLoadFirmware(pAd);
 464         // if (Status != NDIS_STATUS_SUCCESS)
 465         //    break;
 466
 467         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 468
 469         // We should read EEPROM for all cases.  rt2860b
 470         NICReadEEPROMParameters(pAd, mac);
 471
 472         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 473
 474         NICInitAsicFromEEPROM(pAd); //rt2860b
 475
 476         // Set PHY to appropriate mode
 477         TmpPhy = pAd->CommonCfg.PhyMode;
 478         pAd->CommonCfg.PhyMode = 0xff;
 479         RTMPSetPhyMode(pAd, TmpPhy);
 480         SetCommonHT(pAd);
 481
 482         // No valid channels.
 483         if (pAd->ChannelListNum == 0)
 484         {
 485                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 486                 goto err4;
 487         }
 488
 489         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 490            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 491            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 492
 493 #ifdef RT30xx
 494     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 495         NICInitRT30xxRFRegisters(pAd);
 496 #endif // RT30xx //
 497
 498 //              APInitialize(pAd);
 499
 500 #ifdef IKANOS_VX_1X0
 501         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 502 #endif // IKANOS_VX_1X0 //
 503
 504                 //
 505         // Initialize RF register to default value
 506         //
 507         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 508         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 509
 510         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 511         {
 512                 //
 513                 // Undo everything if it failed
 514                 //
 515                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 516                 {
 517 //                      NdisMDeregisterInterrupt(&pAd->Interrupt);
 518                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 519                 }
 520 //              RTMPFreeAdapter(pAd); // we will free it in disconnect()
 521         }
 522         else if (pAd)
 523         {
 524                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 525                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 526 //              pAd->IndicateMediaState = NdisMediaStateDisconnected;
 527                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 528
 529                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 530
 531
 532 #ifdef RT2870
 533                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 534                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 535
 536                 //
 537                 // Support multiple BulkIn IRP,
 538                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 539                 //
 540                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 541                 {
 542                         RTUSBBulkReceive(pAd);
 543                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 544                 }
 545 #endif // RT2870 //
 546         }// end of else
 547
 548
 549         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 550
 551         return TRUE;
 552
 553
 554 err4:
 555 err3:
 556         MlmeHalt(pAd);
 557 err2:
 558         RTMPFreeTxRxRingMemory(pAd);
 559 //      RTMPFreeAdapter(pAd);
 560 err1:
 561         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 562         RT28XX_IRQ_RELEASE(net_dev);
 563
 564         // shall not set priv to NULL here because the priv didn't been free yet.
 565         //net_dev->ml_priv = 0;
 566
 567         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 568         return FALSE;
 569 } /* End of rt28xx_init */
 570
 571
 572 /*
 573 ========================================================================
 574 Routine Description:
 575     Open raxx interface.
 576
 577 Arguments:
 578         *net_dev                        the raxx interface pointer
 579
 580 Return Value:
 581     0                                   Open OK
 582         otherwise                       Open Fail
 583
 584 Note:
 585 ========================================================================
 586 */
 587 int rt28xx_open(IN PNET_DEV dev)
 588 {
 589         struct net_device * net_dev = (struct net_device *)dev;
 590         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 591         int retval = 0;
 592         POS_COOKIE pObj;
 593
 594
 595         // Sanity check for pAd
 596         if (pAd == NULL)
 597         {
 598                 /* if 1st open fail, pAd will be free;
 599                    So the net_dev->ml_priv will be NULL in 2rd open */
 600                 return -1;
 601         }
 602
 603         // Init
 604         pObj = (POS_COOKIE)pAd->OS_Cookie;
 605
 606         // reset Adapter flags
 607         RTMP_CLEAR_FLAGS(pAd);
 608
 609         // Request interrupt service routine for PCI device
 610         // register the interrupt routine with the os
 611         RT28XX_IRQ_REQUEST(net_dev);
 612
 613
 614         // Init BssTab & ChannelInfo tabbles for auto channel select.
 615
 616
 617         // Chip & other init
 618         if (rt28xx_init(net_dev) == FALSE)
 619                 goto err;
 620
 621         NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 622         NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 623
 624         // Set up the Mac address
 625         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 626
 627         // Init IRQ parameters
 628         RT28XX_IRQ_INIT(pAd);
 629
 630         // Various AP function init
 631
 632
 633
 634         // Enable Interrupt
 635         RT28XX_IRQ_ENABLE(pAd);
 636
 637         // Now Enable RxTx
 638         RTMPEnableRxTx(pAd);
 639         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 640
 641         {
 642         UINT32 reg = 0;
 643         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 644         printk("0x1300 = %08x\n", reg);
 645         }
 646
 647         {
 648 //      u32 reg;
 649 //      u8  byte;
 650 //      u16 tmp;
 651
 652 //      RTMP_IO_READ32(pAd, XIFS_TIME_CFG, &reg);
 653
 654 //      tmp = 0x0805;
 655 //      reg  = (reg & 0xffff0000) | tmp;
 656 //      RTMP_IO_WRITE32(pAd, XIFS_TIME_CFG, reg);
 657
 658         }
 659
 660         return (retval);
 661
 662 err:
 663         return (-1);
 664 } /* End of rt28xx_open */
 665
 666 static const struct net_device_ops rt3070_netdev_ops = {
 667         .ndo_open               = MainVirtualIF_open,
 668         .ndo_stop               = MainVirtualIF_close,
 669         .ndo_do_ioctl           = rt28xx_ioctl,
 670         .ndo_get_stats          = RT28xx_get_ether_stats,
 671         .ndo_validate_addr      = NULL,
 672         .ndo_set_mac_address    = eth_mac_addr,
 673         .ndo_change_mtu         = eth_change_mtu,
 674 #ifdef IKANOS_VX_1X0
 675         .ndo_start_xmit         = IKANOS_DataFramesTx,
 676 #else
 677         .ndo_start_xmit         = rt28xx_send_packets,
 678 #endif
 679 };
 680
 681 /* Must not be called for mdev and apdev */
 682 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 683 {
 684         NDIS_STATUS Status;
 685         INT     i=0;
 686         CHAR    slot_name[IFNAMSIZ];
 687         struct net_device   *device;
 688
 689
 690         //ether_setup(dev);
 691 //      dev->set_multicast_list = ieee80211_set_multicast_list;
 692 //      dev->change_mtu = ieee80211_change_mtu;
 693 #if WIRELESS_EXT >= 12
 694         if (pAd->OpMode == OPMODE_STA)
 695         {
 696                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 697         }
 698 #endif //WIRELESS_EXT >= 12
 699
 700 #if WIRELESS_EXT < 21
 701                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 702 #endif
 703 //      dev->uninit = ieee80211_if_reinit;
 704 //      dev->destructor = ieee80211_if_free;
 705         dev->priv_flags = INT_MAIN;
 706         dev->netdev_ops = &rt3070_netdev_ops;
 707         // find available device name
 708         for (i = 0; i < 8; i++)
 709         {
 710                 sprintf(slot_name, "ra%d", i);
 711
 712                 device = dev_get_by_name(dev_net(dev), slot_name);
 713                 if (device != NULL)
 714                         dev_put(device);
 715
 716                 if (device == NULL)
 717                         break;
 718         }
 719
 720         if(i == 8)
 721         {
 722                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 723                 Status = NDIS_STATUS_FAILURE;
 724         }
 725         else
 726         {
 727                 sprintf(dev->name, "ra%d", i);
 728                 Status = NDIS_STATUS_SUCCESS;
 729         }
 730
 731         return Status;
 732
 733 }
 734
 735 /*
 736 ========================================================================
 737 Routine Description:
 738     Probe RT28XX chipset.
 739
 740 Arguments:
 741     _dev_p                              Point to the PCI or USB device
 742         _dev_id_p                       Point to the PCI or USB device ID
 743
 744 Return Value:
 745     0                                   Probe OK
 746         -ENODEV                         Probe Fail
 747
 748 Note:
 749 ========================================================================
 750 */
 751 INT __devinit   rt28xx_probe(
 752     IN  void *_dev_p,
 753     IN  void *_dev_id_p,
 754         IN  UINT argc,
 755         OUT PRTMP_ADAPTER *ppAd)
 756 {
 757     struct  net_device  *net_dev;
 758     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 759     INT                 status;
 760         PVOID                           handle;
 761 #ifdef RT2870
 762         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 763         struct usb_device *dev_p = interface_to_usbdev(intf);
 764
 765         dev_p = usb_get_dev(dev_p);
 766 #endif // RT2870 //
 767
 768
 769     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 770
 771         // Check chipset vendor/product ID
 772 //      if (RT28XXChipsetCheck(_dev_p) == FALSE)
 773 //              goto err_out;
 774
 775     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 776     if (net_dev == NULL)
 777     {
 778         printk("alloc_netdev failed\n");
 779
 780         goto err_out;
 781     }
 782
 783 // sample
 784 //      if (rt_ieee80211_if_setup(net_dev) != NDIS_STATUS_SUCCESS)
 785 //              goto err_out;
 786
 787         netif_stop_queue(net_dev);
 788
 789 /* for supporting Network Manager */
 790 /* Set the sysfs physical device reference for the network logical device
 791  * if set prior to registration will cause a symlink during initialization.
 792  */
 793     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 794
 795         // Allocate RTMP_ADAPTER miniport adapter structure
 796         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 797         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 798
 799         status = RTMPAllocAdapterBlock(handle, &pAd);
 800         if (status != NDIS_STATUS_SUCCESS)
 801                 goto err_out_free_netdev;
 802
 803         net_dev->ml_priv = (PVOID)pAd;
 804     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 805
 806         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 807
 808     pAd->StaCfg.OriDevType = net_dev->type;
 809
 810         // Find and assign a free interface name, raxx
 811 //      RT28XXAvailRANameAssign(net_dev->name);
 812
 813         // Post config
 814         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 815                 goto err_out_unmap;
 816
 817         pAd->OpMode = OPMODE_STA;
 818
 819         // sample move
 820         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 821                 goto err_out_unmap;
 822
 823     // Register this device
 824     status = register_netdev(net_dev);
 825     if (status)
 826         goto err_out_unmap;
 827
 828     // Set driver data
 829         RT28XX_DRVDATA_SET(_dev_p);
 830
 831
 832
 833         *ppAd = pAd;
 834     return 0; // probe ok
 835
 836
 837         /* --------------------------- ERROR HANDLE --------------------------- */
 838 err_out_unmap:
 839         RTMPFreeAdapter(pAd);
 840         RT28XX_UNMAP();
 841
 842 err_out_free_netdev:
 843         free_netdev(net_dev);
 844
 845 err_out:
 846         RT28XX_PUT_DEVICE(dev_p);
 847
 848         return -ENODEV; /* probe fail */
 849 } /* End of rt28xx_probe */
 850
 851
 852 /*
 853 ========================================================================
 854 Routine Description:
 855     The entry point for Linux kernel sent packet to our driver.
 856
 857 Arguments:
 858     sk_buff *skb                the pointer refer to a sk_buffer.
 859
 860 Return Value:
 861     0
 862
 863 Note:
 864         This function is the entry point of Tx Path for Os delivery packet to
 865         our driver. You only can put OS-depened & STA/AP common handle procedures
 866         in here.
 867 ========================================================================
 868 */
 869 int rt28xx_packet_xmit(struct sk_buff *skb)
 870 {
 871         struct net_device *net_dev = skb->dev;
 872         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 873         int status = 0;
 874         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 875
 876         {
 877                 // Drop send request since we are in monitor mode
 878                 if (MONITOR_ON(pAd))
 879                 {
 880                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 881                         goto done;
 882                 }
 883         }
 884
 885         // EapolStart size is 18
 886         if (skb->len < 14)
 887         {
 888                 //printk("bad packet size: %d\n", pkt->len);
 889                 hex_dump("bad packet", skb->data, skb->len);
 890                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 891                 goto done;
 892         }
 893
 894         RTMP_SET_PACKET_5VT(pPacket, 0);
 895 //      MiniportMMRequest(pAd, pkt->data, pkt->len);
 896 #ifdef CONFIG_5VT_ENHANCE
 897     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 898                 RTMP_SET_PACKET_5VT(pPacket, 1);
 899     }
 900 #endif
 901
 902         STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 903
 904         status = 0;
 905 done:
 906
 907         return status;
 908 }
 909
 910
 911 /*
 912 ========================================================================
 913 Routine Description:
 914     Send a packet to WLAN.
 915
 916 Arguments:
 917     skb_p           points to our adapter
 918     dev_p           which WLAN network interface
 919
 920 Return Value:
 921     0: transmit successfully
 922     otherwise: transmit fail
 923
 924 Note:
 925 ========================================================================
 926 */
 927 INT rt28xx_send_packets(
 928         IN struct sk_buff               *skb_p,
 929         IN struct net_device    *net_dev)
 930 {
 931     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 932
 933         if (!(net_dev->flags & IFF_UP))
 934         {
 935                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 936                 return 0;
 937         }
 938
 939         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 940         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 941
 942         return rt28xx_packet_xmit(skb_p);
 943 } /* End of MBSS_VirtualIF_PacketSend */
 944
 945
 946
 947
 948 void CfgInitHook(PRTMP_ADAPTER pAd)
 949 {
 950         pAd->bBroadComHT = TRUE;
 951 } /* End of CfgInitHook */
 952
 953
 954 #if WIRELESS_EXT >= 12
 955 // This function will be called when query /proc
 956 struct iw_statistics *rt28xx_get_wireless_stats(
 957     IN struct net_device *net_dev)
 958 {
 959         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 960
 961
 962         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 963
 964         pAd->iw_stats.status = 0; // Status - device dependent for now
 965
 966         // link quality
 967         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 968         if(pAd->iw_stats.qual.qual > 100)
 969                 pAd->iw_stats.qual.qual = 100;
 970
 971         if (pAd->OpMode == OPMODE_STA)
 972                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 973
 974         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 975
 976         pAd->iw_stats.qual.noise += 256 - 143;
 977         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 978 #ifdef IW_QUAL_DBM
 979         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 980 #endif // IW_QUAL_DBM //
 981
 982         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 983         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 984
 985         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
 986         return &pAd->iw_stats;
 987 } /* End of rt28xx_get_wireless_stats */
 988 #endif // WIRELESS_EXT //
 989
 990
 991
 992 void tbtt_tasklet(unsigned long data)
 993 {
 994 #define MAX_TX_IN_TBTT          (16)
 995
 996 }
 997
 998 INT rt28xx_ioctl(
 999         IN      struct net_device       *net_dev,
1000         IN      OUT     struct ifreq    *rq,
1001         IN      INT                                     cmd)
1002 {
1003         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1004         RTMP_ADAPTER    *pAd = NULL;
1005         INT                             ret = 0;
1006
1007         if (net_dev->priv_flags == INT_MAIN)
1008         {
1009                 pAd = net_dev->ml_priv;
1010         }
1011         else
1012         {
1013                 pVirtualAd = net_dev->ml_priv;
1014                 pAd = pVirtualAd->RtmpDev->ml_priv;
1015         }
1016
1017         if (pAd == NULL)
1018         {
1019                 /* if 1st open fail, pAd will be free;
1020                    So the net_dev->ml_priv will be NULL in 2rd open */
1021                 return -ENETDOWN;
1022         }
1023
1024         ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1025
1026         return ret;
1027 }
1028
1029 /*
1030     ========================================================================
1031
1032     Routine Description:
1033         return ethernet statistics counter
1034
1035     Arguments:
1036         net_dev                     Pointer to net_device
1037
1038     Return Value:
1039         net_device_stats*
1040
1041     Note:
1042
1043     ========================================================================
1044 */
1045 struct net_device_stats *RT28xx_get_ether_stats(
1046     IN  struct net_device *net_dev)
1047 {
1048     RTMP_ADAPTER *pAd = NULL;
1049
1050         if (net_dev)
1051                 pAd = net_dev->ml_priv;
1052
1053         if (pAd)
1054         {
1055
1056                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1057                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1058
1059                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1060                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1061
1062                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1063                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1064
1065                 pAd->stats.rx_dropped = 0;
1066                 pAd->stats.tx_dropped = 0;
1067
1068             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1069             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1070
1071             pAd->stats.rx_length_errors = 0;
1072             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1073             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1074             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1075             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1076             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1077
1078             // detailed tx_errors
1079             pAd->stats.tx_aborted_errors = 0;
1080             pAd->stats.tx_carrier_errors = 0;
1081             pAd->stats.tx_fifo_errors = 0;
1082             pAd->stats.tx_heartbeat_errors = 0;
1083             pAd->stats.tx_window_errors = 0;
1084
1085             // for cslip etc
1086             pAd->stats.rx_compressed = 0;
1087             pAd->stats.tx_compressed = 0;
1088
1089                 return &pAd->stats;
1090         }
1091         else
1092         return NULL;
1093 }
1094