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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         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 206         {
 207
 208                 // If dirver doesn't wake up firmware here,
 209                 // NICLoadFirmware will hang forever when interface is up again.
 210                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 211         {
 212                     AsicForceWakeup(pAd, TRUE);
 213         }
 214
 215                 if (INFRA_ON(pAd) &&
 216                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 217                 {
 218                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 219                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 220
 221                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 222                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 223
 224                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 225                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 226                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 227                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 228
 229                         // Prevent to connect AP again in STAMlmePeriodicExec
 230                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 231                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 232
 233                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 234                         MlmeDisassocReqAction(pAd, MsgElem);
 235                         kfree(MsgElem);
 236
 237                         RTMPusecDelay(1000);
 238                 }
 239
 240 #ifdef RT2870
 241         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 242 #endif // RT2870 //
 243
 244 #ifdef CCX_SUPPORT
 245                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 246 #endif
 247
 248                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 249                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 250
 251                 MlmeRadioOff(pAd);
 252         }
 253
 254         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 255
 256         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 257         {
 258                 while (pAd->DeQueueRunning[i] == TRUE)
 259                 {
 260                         printk("Waiting for TxQueue[%d] done..........\n", i);
 261                         RTMPusecDelay(1000);
 262                 }
 263         }
 264
 265 #ifdef RT2870
 266         // ensure there are no more active urbs.
 267         add_wait_queue (&unlink_wakeup, &wait);
 268         pAd->wait = &unlink_wakeup;
 269
 270         // maybe wait for deletions to finish.
 271         i = 0;
 272         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 273         while(i < 25)
 274         {
 275                 unsigned long IrqFlags;
 276
 277                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 278                 if (pAd->PendingRx == 0)
 279                 {
 280                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 281                         break;
 282                 }
 283                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 284
 285                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 286                 i++;
 287         }
 288         pAd->wait = NULL;
 289         remove_wait_queue (&unlink_wakeup, &wait);
 290 #endif // RT2870 //
 291
 292         //RTUSBCleanUpMLMEWaitQueue(pAd);       /*not used in RT28xx*/
 293
 294
 295 #ifdef RT2870
 296         // We need clear timerQ related structure before exits of the timer thread.
 297         RT2870_TimerQ_Exit(pAd);
 298         // Close kernel threads or tasklets
 299         RT28xxThreadTerminate(pAd);
 300 #endif // RT2870 //
 301
 302         // Stop Mlme state machine
 303         MlmeHalt(pAd);
 304
 305         // Close kernel threads or tasklets
 306         kill_thread_task(pAd);
 307
 308         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 309         {
 310                 MacTableReset(pAd);
 311         }
 312
 313
 314         MeasureReqTabExit(pAd);
 315         TpcReqTabExit(pAd);
 316
 317
 318
 319
 320         // Free Ring or USB buffers
 321         RTMPFreeTxRxRingMemory(pAd);
 322
 323         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 324
 325         // Free BA reorder resource
 326         ba_reordering_resource_release(pAd);
 327
 328         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 329
 330         return 0; // close ok
 331 } /* End of rt28xx_close */
 332
 333 static int rt28xx_init(IN struct net_device *net_dev)
 334 {
 335         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 336         UINT                                    index;
 337         UCHAR                                   TmpPhy;
 338 //      ULONG                                   Value=0;
 339         NDIS_STATUS                             Status;
 340 //    OID_SET_HT_PHYMODE                SetHT;
 341 //      WPDMA_GLO_CFG_STRUC     GloCfg;
 342         UINT32          MacCsr0 = 0;
 343
 344         // Allocate BA Reordering memory
 345         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 346
 347         // Make sure MAC gets ready.
 348         index = 0;
 349         do
 350         {
 351                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 352                 pAd->MACVersion = MacCsr0;
 353
 354                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 355                         break;
 356
 357                 RTMPusecDelay(10);
 358         } while (index++ < 100);
 359
 360         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 361 /*Iverson patch PCIE L1 issue */
 362
 363         // Disable DMA
 364         RT28XXDMADisable(pAd);
 365
 366
 367         // Load 8051 firmware
 368         Status = NICLoadFirmware(pAd);
 369         if (Status != NDIS_STATUS_SUCCESS)
 370         {
 371                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 372                 goto err1;
 373         }
 374
 375         NICLoadRateSwitchingParams(pAd);
 376
 377         // Disable interrupts here which is as soon as possible
 378         // This statement should never be true. We might consider to remove it later
 379
 380         Status = RTMPAllocTxRxRingMemory(pAd);
 381         if (Status != NDIS_STATUS_SUCCESS)
 382         {
 383                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 384                 goto err1;
 385         }
 386
 387         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 388
 389         // initialize MLME
 390         //
 391
 392         Status = MlmeInit(pAd);
 393         if (Status != NDIS_STATUS_SUCCESS)
 394         {
 395                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 396                 goto err2;
 397         }
 398
 399         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 400         //
 401         UserCfgInit(pAd);
 402
 403 #ifdef RT2870
 404         // We need init timerQ related structure before create the timer thread.
 405         RT2870_TimerQ_Init(pAd);
 406 #endif // RT2870 //
 407
 408         RT28XX_TASK_THREAD_INIT(pAd, Status);
 409         if (Status != NDIS_STATUS_SUCCESS)
 410                 goto err1;
 411
 412 //      COPY_MAC_ADDR(pAd->ApCfg.MBSSID[apidx].Bssid, netif->hwaddr);
 413 //      pAd->bForcePrintTX = TRUE;
 414
 415         CfgInitHook(pAd);
 416
 417         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 418                 NdisAllocateSpinLock(&pAd->MacTabLock);
 419
 420         MeasureReqTabInit(pAd);
 421         TpcReqTabInit(pAd);
 422
 423         //
 424         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 425         //
 426         Status = NICInitializeAdapter(pAd, TRUE);
 427         if (Status != NDIS_STATUS_SUCCESS)
 428         {
 429                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 430                 if (Status != NDIS_STATUS_SUCCESS)
 431                 goto err3;
 432         }
 433
 434         // Read parameters from Config File
 435         Status = RTMPReadParametersHook(pAd);
 436
 437         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 438         if (Status != NDIS_STATUS_SUCCESS)
 439         {
 440                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 441                 goto err4;
 442         }
 443
 444 #ifdef RT2870
 445         pAd->CommonCfg.bMultipleIRP = FALSE;
 446
 447         if (pAd->CommonCfg.bMultipleIRP)
 448                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 449         else
 450                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 451 #endif // RT2870 //
 452
 453
 454         //Init Ba Capability parameters.
 455 //      RT28XX_BA_INIT(pAd);
 456         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 457         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 458         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 459         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 460         // UPdata to HT IE
 461         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 462         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 463         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 464
 465         // after reading Registry, we now know if in AP mode or STA mode
 466
 467         // Load 8051 firmware; crash when FW image not existent
 468         // Status = NICLoadFirmware(pAd);
 469         // if (Status != NDIS_STATUS_SUCCESS)
 470         //    break;
 471
 472         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 473
 474         // We should read EEPROM for all cases.  rt2860b
 475         NICReadEEPROMParameters(pAd, mac);
 476
 477         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 478
 479         NICInitAsicFromEEPROM(pAd); //rt2860b
 480
 481         // Set PHY to appropriate mode
 482         TmpPhy = pAd->CommonCfg.PhyMode;
 483         pAd->CommonCfg.PhyMode = 0xff;
 484         RTMPSetPhyMode(pAd, TmpPhy);
 485         SetCommonHT(pAd);
 486
 487         // No valid channels.
 488         if (pAd->ChannelListNum == 0)
 489         {
 490                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 491                 goto err4;
 492         }
 493
 494         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 495            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 496            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 497
 498 #ifdef RT30xx
 499     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 500         NICInitRT30xxRFRegisters(pAd);
 501 #endif // RT30xx //
 502
 503 //              APInitialize(pAd);
 504
 505 #ifdef IKANOS_VX_1X0
 506         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 507 #endif // IKANOS_VX_1X0 //
 508
 509                 //
 510         // Initialize RF register to default value
 511         //
 512         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 513         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 514
 515         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 516         {
 517                 //
 518                 // Undo everything if it failed
 519                 //
 520                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 521                 {
 522 //                      NdisMDeregisterInterrupt(&pAd->Interrupt);
 523                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 524                 }
 525 //              RTMPFreeAdapter(pAd); // we will free it in disconnect()
 526         }
 527         else if (pAd)
 528         {
 529                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 530                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 531 //              pAd->IndicateMediaState = NdisMediaStateDisconnected;
 532                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 533
 534                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 535
 536
 537 #ifdef RT2870
 538                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 539                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 540
 541                 //
 542                 // Support multiple BulkIn IRP,
 543                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 544                 //
 545                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 546                 {
 547                         RTUSBBulkReceive(pAd);
 548                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 549                 }
 550 #endif // RT2870 //
 551         }// end of else
 552
 553
 554         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 555
 556         return TRUE;
 557
 558
 559 err4:
 560 err3:
 561         MlmeHalt(pAd);
 562 err2:
 563         RTMPFreeTxRxRingMemory(pAd);
 564 //      RTMPFreeAdapter(pAd);
 565 err1:
 566         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 567         RT28XX_IRQ_RELEASE(net_dev);
 568
 569         // shall not set priv to NULL here because the priv didn't been free yet.
 570         //net_dev->ml_priv = 0;
 571
 572         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 573         return FALSE;
 574 } /* End of rt28xx_init */
 575
 576
 577 /*
 578 ========================================================================
 579 Routine Description:
 580     Open raxx interface.
 581
 582 Arguments:
 583         *net_dev                        the raxx interface pointer
 584
 585 Return Value:
 586     0                                   Open OK
 587         otherwise                       Open Fail
 588
 589 Note:
 590 ========================================================================
 591 */
 592 int rt28xx_open(IN PNET_DEV dev)
 593 {
 594         struct net_device * net_dev = (struct net_device *)dev;
 595         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 596         int retval = 0;
 597         POS_COOKIE pObj;
 598
 599
 600         // Sanity check for pAd
 601         if (pAd == NULL)
 602         {
 603                 /* if 1st open fail, pAd will be free;
 604                    So the net_dev->ml_priv will be NULL in 2rd open */
 605                 return -1;
 606         }
 607
 608         // Init
 609         pObj = (POS_COOKIE)pAd->OS_Cookie;
 610
 611         // reset Adapter flags
 612         RTMP_CLEAR_FLAGS(pAd);
 613
 614         // Request interrupt service routine for PCI device
 615         // register the interrupt routine with the os
 616         RT28XX_IRQ_REQUEST(net_dev);
 617
 618
 619         // Init BssTab & ChannelInfo tabbles for auto channel select.
 620
 621
 622         // Chip & other init
 623         if (rt28xx_init(net_dev) == FALSE)
 624                 goto err;
 625
 626         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 627         {
 628                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 629                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 630         }
 631
 632         // Set up the Mac address
 633         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 634
 635         // Init IRQ parameters
 636         RT28XX_IRQ_INIT(pAd);
 637
 638         // Various AP function init
 639
 640
 641
 642         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 643         {
 644         }
 645
 646         // Enable Interrupt
 647         RT28XX_IRQ_ENABLE(pAd);
 648
 649         // Now Enable RxTx
 650         RTMPEnableRxTx(pAd);
 651         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 652
 653         {
 654         UINT32 reg = 0;
 655         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 656         printk("0x1300 = %08x\n", reg);
 657         }
 658
 659         {
 660 //      u32 reg;
 661 //      u8  byte;
 662 //      u16 tmp;
 663
 664 //      RTMP_IO_READ32(pAd, XIFS_TIME_CFG, &reg);
 665
 666 //      tmp = 0x0805;
 667 //      reg  = (reg & 0xffff0000) | tmp;
 668 //      RTMP_IO_WRITE32(pAd, XIFS_TIME_CFG, reg);
 669
 670         }
 671
 672         return (retval);
 673
 674 err:
 675         return (-1);
 676 } /* End of rt28xx_open */
 677
 678 static const struct net_device_ops rt3070_netdev_ops = {
 679         .ndo_open               = MainVirtualIF_open,
 680         .ndo_stop               = MainVirtualIF_close,
 681         .ndo_do_ioctl           = rt28xx_ioctl,
 682         .ndo_get_stats          = RT28xx_get_ether_stats,
 683         .ndo_validate_addr      = NULL,
 684         .ndo_set_mac_address    = eth_mac_addr,
 685         .ndo_change_mtu         = eth_change_mtu,
 686 #ifdef IKANOS_VX_1X0
 687         .ndo_start_xmit         = IKANOS_DataFramesTx,
 688 #else
 689         .ndo_start_xmit         = rt28xx_send_packets,
 690 #endif
 691 };
 692
 693 /* Must not be called for mdev and apdev */
 694 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 695 {
 696         NDIS_STATUS Status;
 697         INT     i=0;
 698         CHAR    slot_name[IFNAMSIZ];
 699         struct net_device   *device;
 700
 701
 702         //ether_setup(dev);
 703 //      dev->set_multicast_list = ieee80211_set_multicast_list;
 704 //      dev->change_mtu = ieee80211_change_mtu;
 705 #if WIRELESS_EXT >= 12
 706         if (pAd->OpMode == OPMODE_STA)
 707         {
 708                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 709         }
 710 #endif //WIRELESS_EXT >= 12
 711
 712 #if WIRELESS_EXT < 21
 713                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 714 #endif
 715 //      dev->uninit = ieee80211_if_reinit;
 716 //      dev->destructor = ieee80211_if_free;
 717         dev->priv_flags = INT_MAIN;
 718         dev->netdev_ops = &rt3070_netdev_ops;
 719         // find available device name
 720         for (i = 0; i < 8; i++)
 721         {
 722                 sprintf(slot_name, "ra%d", i);
 723
 724                 device = dev_get_by_name(dev_net(dev), slot_name);
 725                 if (device != NULL)
 726                         dev_put(device);
 727
 728                 if (device == NULL)
 729                         break;
 730         }
 731
 732         if(i == 8)
 733         {
 734                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 735                 Status = NDIS_STATUS_FAILURE;
 736         }
 737         else
 738         {
 739                 sprintf(dev->name, "ra%d", i);
 740                 Status = NDIS_STATUS_SUCCESS;
 741         }
 742
 743         return Status;
 744
 745 }
 746
 747 /*
 748 ========================================================================
 749 Routine Description:
 750     Probe RT28XX chipset.
 751
 752 Arguments:
 753     _dev_p                              Point to the PCI or USB device
 754         _dev_id_p                       Point to the PCI or USB device ID
 755
 756 Return Value:
 757     0                                   Probe OK
 758         -ENODEV                         Probe Fail
 759
 760 Note:
 761 ========================================================================
 762 */
 763 INT __devinit   rt28xx_probe(
 764     IN  void *_dev_p,
 765     IN  void *_dev_id_p,
 766         IN  UINT argc,
 767         OUT PRTMP_ADAPTER *ppAd)
 768 {
 769     struct  net_device  *net_dev;
 770     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 771     INT                 status;
 772         PVOID                           handle;
 773 #ifdef RT2870
 774         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 775         struct usb_device *dev_p = interface_to_usbdev(intf);
 776
 777         dev_p = usb_get_dev(dev_p);
 778 #endif // RT2870 //
 779
 780
 781     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 782
 783         // Check chipset vendor/product ID
 784 //      if (RT28XXChipsetCheck(_dev_p) == FALSE)
 785 //              goto err_out;
 786
 787     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 788     if (net_dev == NULL)
 789     {
 790         printk("alloc_netdev failed\n");
 791
 792         goto err_out;
 793     }
 794
 795 // sample
 796 //      if (rt_ieee80211_if_setup(net_dev) != NDIS_STATUS_SUCCESS)
 797 //              goto err_out;
 798
 799         netif_stop_queue(net_dev);
 800
 801 /* for supporting Network Manager */
 802 /* Set the sysfs physical device reference for the network logical device
 803  * if set prior to registration will cause a symlink during initialization.
 804  */
 805     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 806
 807         // Allocate RTMP_ADAPTER miniport adapter structure
 808         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 809         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 810
 811         status = RTMPAllocAdapterBlock(handle, &pAd);
 812         if (status != NDIS_STATUS_SUCCESS)
 813                 goto err_out_free_netdev;
 814
 815         net_dev->ml_priv = (PVOID)pAd;
 816     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 817
 818         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 819
 820     pAd->StaCfg.OriDevType = net_dev->type;
 821
 822         // Find and assign a free interface name, raxx
 823 //      RT28XXAvailRANameAssign(net_dev->name);
 824
 825         // Post config
 826         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 827                 goto err_out_unmap;
 828
 829         pAd->OpMode = OPMODE_STA;
 830
 831         // sample move
 832         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 833                 goto err_out_unmap;
 834
 835     // Register this device
 836     status = register_netdev(net_dev);
 837     if (status)
 838         goto err_out_unmap;
 839
 840     // Set driver data
 841         RT28XX_DRVDATA_SET(_dev_p);
 842
 843
 844
 845         *ppAd = pAd;
 846     return 0; // probe ok
 847
 848
 849         /* --------------------------- ERROR HANDLE --------------------------- */
 850 err_out_unmap:
 851         RTMPFreeAdapter(pAd);
 852         RT28XX_UNMAP();
 853
 854 err_out_free_netdev:
 855         free_netdev(net_dev);
 856
 857 err_out:
 858         RT28XX_PUT_DEVICE(dev_p);
 859
 860         return -ENODEV; /* probe fail */
 861 } /* End of rt28xx_probe */
 862
 863
 864 /*
 865 ========================================================================
 866 Routine Description:
 867     The entry point for Linux kernel sent packet to our driver.
 868
 869 Arguments:
 870     sk_buff *skb                the pointer refer to a sk_buffer.
 871
 872 Return Value:
 873     0
 874
 875 Note:
 876         This function is the entry point of Tx Path for Os delivery packet to
 877         our driver. You only can put OS-depened & STA/AP common handle procedures
 878         in here.
 879 ========================================================================
 880 */
 881 int rt28xx_packet_xmit(struct sk_buff *skb)
 882 {
 883         struct net_device *net_dev = skb->dev;
 884         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 885         int status = 0;
 886         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 887
 888         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 889         {
 890                 // Drop send request since we are in monitor mode
 891                 if (MONITOR_ON(pAd))
 892                 {
 893                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 894                         goto done;
 895                 }
 896         }
 897
 898         // EapolStart size is 18
 899         if (skb->len < 14)
 900         {
 901                 //printk("bad packet size: %d\n", pkt->len);
 902                 hex_dump("bad packet", skb->data, skb->len);
 903                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 904                 goto done;
 905         }
 906
 907         RTMP_SET_PACKET_5VT(pPacket, 0);
 908 //      MiniportMMRequest(pAd, pkt->data, pkt->len);
 909 #ifdef CONFIG_5VT_ENHANCE
 910     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 911                 RTMP_SET_PACKET_5VT(pPacket, 1);
 912     }
 913 #endif
 914
 915         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 916         {
 917
 918                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 919         }
 920
 921         status = 0;
 922 done:
 923
 924         return status;
 925 }
 926
 927
 928 /*
 929 ========================================================================
 930 Routine Description:
 931     Send a packet to WLAN.
 932
 933 Arguments:
 934     skb_p           points to our adapter
 935     dev_p           which WLAN network interface
 936
 937 Return Value:
 938     0: transmit successfully
 939     otherwise: transmit fail
 940
 941 Note:
 942 ========================================================================
 943 */
 944 INT rt28xx_send_packets(
 945         IN struct sk_buff               *skb_p,
 946         IN struct net_device    *net_dev)
 947 {
 948     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 949
 950         if (!(net_dev->flags & IFF_UP))
 951         {
 952                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 953                 return 0;
 954         }
 955
 956         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 957         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 958
 959         return rt28xx_packet_xmit(skb_p);
 960 } /* End of MBSS_VirtualIF_PacketSend */
 961
 962
 963
 964
 965 void CfgInitHook(PRTMP_ADAPTER pAd)
 966 {
 967         pAd->bBroadComHT = TRUE;
 968 } /* End of CfgInitHook */
 969
 970
 971 #if WIRELESS_EXT >= 12
 972 // This function will be called when query /proc
 973 struct iw_statistics *rt28xx_get_wireless_stats(
 974     IN struct net_device *net_dev)
 975 {
 976         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 977
 978
 979         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 980
 981         pAd->iw_stats.status = 0; // Status - device dependent for now
 982
 983         // link quality
 984         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 985         if(pAd->iw_stats.qual.qual > 100)
 986                 pAd->iw_stats.qual.qual = 100;
 987
 988         if (pAd->OpMode == OPMODE_STA)
 989                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 990
 991         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 992
 993         pAd->iw_stats.qual.noise += 256 - 143;
 994         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 995 #ifdef IW_QUAL_DBM
 996         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 997 #endif // IW_QUAL_DBM //
 998
 999         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
1000         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
1001
1002         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
1003         return &pAd->iw_stats;
1004 } /* End of rt28xx_get_wireless_stats */
1005 #endif // WIRELESS_EXT //
1006
1007
1008
1009 void tbtt_tasklet(unsigned long data)
1010 {
1011 #define MAX_TX_IN_TBTT          (16)
1012
1013 }
1014
1015 INT rt28xx_ioctl(
1016         IN      struct net_device       *net_dev,
1017         IN      OUT     struct ifreq    *rq,
1018         IN      INT                                     cmd)
1019 {
1020         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1021         RTMP_ADAPTER    *pAd = NULL;
1022         INT                             ret = 0;
1023
1024         if (net_dev->priv_flags == INT_MAIN)
1025         {
1026                 pAd = net_dev->ml_priv;
1027         }
1028         else
1029         {
1030                 pVirtualAd = net_dev->ml_priv;
1031                 pAd = pVirtualAd->RtmpDev->ml_priv;
1032         }
1033
1034         if (pAd == NULL)
1035         {
1036                 /* if 1st open fail, pAd will be free;
1037                    So the net_dev->ml_priv will be NULL in 2rd open */
1038                 return -ENETDOWN;
1039         }
1040
1041         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1042         {
1043                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1044         }
1045
1046         return ret;
1047 }
1048
1049 /*
1050     ========================================================================
1051
1052     Routine Description:
1053         return ethernet statistics counter
1054
1055     Arguments:
1056         net_dev                     Pointer to net_device
1057
1058     Return Value:
1059         net_device_stats*
1060
1061     Note:
1062
1063     ========================================================================
1064 */
1065 struct net_device_stats *RT28xx_get_ether_stats(
1066     IN  struct net_device *net_dev)
1067 {
1068     RTMP_ADAPTER *pAd = NULL;
1069
1070         if (net_dev)
1071                 pAd = net_dev->ml_priv;
1072
1073         if (pAd)
1074         {
1075
1076                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1077                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1078
1079                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1080                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1081
1082                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1083                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1084
1085                 pAd->stats.rx_dropped = 0;
1086                 pAd->stats.tx_dropped = 0;
1087
1088             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1089             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1090
1091             pAd->stats.rx_length_errors = 0;
1092             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1093             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1094             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1095             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1096             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1097
1098             // detailed tx_errors
1099             pAd->stats.tx_aborted_errors = 0;
1100             pAd->stats.tx_carrier_errors = 0;
1101             pAd->stats.tx_fifo_errors = 0;
1102             pAd->stats.tx_heartbeat_errors = 0;
1103             pAd->stats.tx_window_errors = 0;
1104
1105             // for cslip etc
1106             pAd->stats.rx_compressed = 0;
1107             pAd->stats.tx_compressed = 0;
1108
1109                 return &pAd->stats;
1110         }
1111         else
1112         return NULL;
1113 }
1114