Pileus Git - ~andy/linux/blob - drivers/staging/rt2870/rt_main_dev.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27     Module Name:
  28     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 //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         MeasureReqTabExit(pAd);
 314         TpcReqTabExit(pAd);
 315
 316
 317
 318
 319         // Free Ring or USB buffers
 320         RTMPFreeTxRxRingMemory(pAd);
 321
 322         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 323
 324         // Free BA reorder resource
 325         ba_reordering_resource_release(pAd);
 326
 327         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 328
 329         return 0; // close ok
 330 } /* End of rt28xx_close */
 331
 332 static int rt28xx_init(IN struct net_device *net_dev)
 333 {
 334         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 335         UINT                                    index;
 336         UCHAR                                   TmpPhy;
 337         NDIS_STATUS                             Status;
 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
 358         // Disable DMA
 359         RT28XXDMADisable(pAd);
 360
 361
 362         // Load 8051 firmware
 363         Status = NICLoadFirmware(pAd);
 364         if (Status != NDIS_STATUS_SUCCESS)
 365         {
 366                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 367                 goto err1;
 368         }
 369
 370         NICLoadRateSwitchingParams(pAd);
 371
 372         // Disable interrupts here which is as soon as possible
 373         // This statement should never be true. We might consider to remove it later
 374
 375         Status = RTMPAllocTxRxRingMemory(pAd);
 376         if (Status != NDIS_STATUS_SUCCESS)
 377         {
 378                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 379                 goto err1;
 380         }
 381
 382         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 383
 384         // initialize MLME
 385         //
 386
 387         Status = MlmeInit(pAd);
 388         if (Status != NDIS_STATUS_SUCCESS)
 389         {
 390                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 391                 goto err2;
 392         }
 393
 394         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 395         //
 396         UserCfgInit(pAd);
 397
 398 #ifdef RT2870
 399         // We need init timerQ related structure before create the timer thread.
 400         RT2870_TimerQ_Init(pAd);
 401 #endif // RT2870 //
 402
 403         RT28XX_TASK_THREAD_INIT(pAd, Status);
 404         if (Status != NDIS_STATUS_SUCCESS)
 405                 goto err1;
 406
 407 //      COPY_MAC_ADDR(pAd->ApCfg.MBSSID[apidx].Bssid, netif->hwaddr);
 408 //      pAd->bForcePrintTX = TRUE;
 409
 410         CfgInitHook(pAd);
 411
 412         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 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 RT2870
 494     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 495         NICInitRT30xxRFRegisters(pAd);
 496 #endif // RT2870 //
 497
 498 #if 0
 499         // Patch cardbus controller if EEPROM said so.
 500         if (pAd->bTest1 == FALSE)
 501                 RTMPPatchCardBus(pAd);
 502 #endif
 503
 504
 505 //              APInitialize(pAd);
 506
 507 #ifdef IKANOS_VX_1X0
 508         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 509 #endif // IKANOS_VX_1X0 //
 510
 511                 //
 512         // Initialize RF register to default value
 513         //
 514         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 515         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 516
 517         // 8051 firmware require the signal during booting time.
 518         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 519
 520         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 521         {
 522                 //
 523                 // Undo everything if it failed
 524                 //
 525                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 526                 {
 527 //                      NdisMDeregisterInterrupt(&pAd->Interrupt);
 528                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 529                 }
 530 //              RTMPFreeAdapter(pAd); // we will free it in disconnect()
 531         }
 532         else if (pAd)
 533         {
 534                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 535                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 536 //              pAd->IndicateMediaState = NdisMediaStateDisconnected;
 537                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 538
 539                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 540
 541
 542 #ifdef RT2870
 543                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 544                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 545
 546                 //
 547                 // Support multiple BulkIn IRP,
 548                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 549                 //
 550                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 551                 {
 552                         RTUSBBulkReceive(pAd);
 553                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 554                 }
 555 #endif // RT2870 //
 556         }// end of else
 557
 558
 559         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 560
 561         return TRUE;
 562
 563
 564 err4:
 565 err3:
 566         MlmeHalt(pAd);
 567 err2:
 568         RTMPFreeTxRxRingMemory(pAd);
 569 //      RTMPFreeAdapter(pAd);
 570 err1:
 571         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 572         RT28XX_IRQ_RELEASE(net_dev);
 573
 574         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 575         //net_dev->ml_priv = 0;
 576
 577         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 578         return FALSE;
 579 } /* End of rt28xx_init */
 580
 581
 582 /*
 583 ========================================================================
 584 Routine Description:
 585     Open raxx interface.
 586
 587 Arguments:
 588         *net_dev                        the raxx interface pointer
 589
 590 Return Value:
 591     0                                   Open OK
 592         otherwise                       Open Fail
 593
 594 Note:
 595 ========================================================================
 596 */
 597 int rt28xx_open(IN PNET_DEV dev)
 598 {
 599         struct net_device * net_dev = (struct net_device *)dev;
 600         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 601         int retval = 0;
 602         POS_COOKIE pObj;
 603
 604
 605         // Sanity check for pAd
 606         if (pAd == NULL)
 607         {
 608                 /* if 1st open fail, pAd will be free;
 609                    So the net_dev->ml_priv will be NULL in 2rd open */
 610                 return -1;
 611         }
 612
 613         // Init
 614         pObj = (POS_COOKIE)pAd->OS_Cookie;
 615
 616         // reset Adapter flags
 617         RTMP_CLEAR_FLAGS(pAd);
 618
 619         // Request interrupt service routine for PCI device
 620         // register the interrupt routine with the os
 621         RT28XX_IRQ_REQUEST(net_dev);
 622
 623
 624         // Init BssTab & ChannelInfo tabbles for auto channel select.
 625
 626
 627         // Chip & other init
 628         if (rt28xx_init(net_dev) == FALSE)
 629                 goto err;
 630
 631         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 632         {
 633                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 634                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 635         }
 636
 637         // Set up the Mac address
 638         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 639
 640         // Init IRQ parameters
 641         RT28XX_IRQ_INIT(pAd);
 642
 643         // Various AP function init
 644
 645         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 646         {
 647         }
 648
 649         // Enable Interrupt
 650         RT28XX_IRQ_ENABLE(pAd);
 651
 652         // Now Enable RxTx
 653         RTMPEnableRxTx(pAd);
 654         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 655
 656         {
 657         UINT32 reg = 0;
 658         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 659         printk("0x1300 = %08x\n", reg);
 660         }
 661
 662         {
 663 //      u32 reg;
 664 //      u8  byte;
 665 //      u16 tmp;
 666
 667 //      RTMP_IO_READ32(pAd, XIFS_TIME_CFG, &reg);
 668
 669 //      tmp = 0x0805;
 670 //      reg  = (reg & 0xffff0000) | tmp;
 671 //      RTMP_IO_WRITE32(pAd, XIFS_TIME_CFG, reg);
 672
 673         }
 674
 675 #if 0
 676         /*
 677          * debugging helper
 678          *              show the size of main table in Adapter structure
 679          *              MacTab  -- 185K
 680          *              BATable -- 137K
 681          *              Total   -- 385K  !!!!! (5/26/2006)
 682          */
 683         printk("sizeof(pAd->MacTab) = %ld\n", sizeof(pAd->MacTab));
 684         printk("sizeof(pAd->AccessControlList) = %ld\n", sizeof(pAd->AccessControlList));
 685         printk("sizeof(pAd->ApCfg) = %ld\n", sizeof(pAd->ApCfg));
 686         printk("sizeof(pAd->BATable) = %ld\n", sizeof(pAd->BATable));
 687         BUG();
 688 #endif
 689
 690         return (retval);
 691
 692 err:
 693         return (-1);
 694 } /* End of rt28xx_open */
 695
 696 static const struct net_device_ops rt2870_netdev_ops = {
 697         .ndo_open               = MainVirtualIF_open,
 698         .ndo_stop               = MainVirtualIF_close,
 699         .ndo_do_ioctl           = rt28xx_ioctl,
 700         .ndo_get_stats          = RT28xx_get_ether_stats,
 701         .ndo_validate_addr      = NULL,
 702         .ndo_set_mac_address    = eth_mac_addr,
 703         .ndo_change_mtu         = eth_change_mtu,
 704 #ifdef IKANOS_VX_1X0
 705         .ndo_start_xmit         = IKANOS_DataFramesTx,
 706 #else
 707         .ndo_start_xmit         = rt28xx_send_packets,
 708 #endif
 709 };
 710
 711 /* Must not be called for mdev and apdev */
 712 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 713 {
 714         NDIS_STATUS Status;
 715         INT     i=0;
 716         CHAR    slot_name[IFNAMSIZ];
 717         struct net_device   *device;
 718
 719
 720         //ether_setup(dev);
 721 //      dev->set_multicast_list = ieee80211_set_multicast_list;
 722 //      dev->change_mtu = ieee80211_change_mtu;
 723 #if WIRELESS_EXT >= 12
 724         if (pAd->OpMode == OPMODE_STA)
 725         {
 726                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 727         }
 728 #endif //WIRELESS_EXT >= 12
 729
 730 #if WIRELESS_EXT < 21
 731                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 732 #endif
 733 //      dev->uninit = ieee80211_if_reinit;
 734 //      dev->destructor = ieee80211_if_free;
 735         dev->priv_flags = INT_MAIN;
 736         dev->netdev_ops = &rt2870_netdev_ops;
 737         // find available device name
 738         for (i = 0; i < 8; i++)
 739         {
 740                 sprintf(slot_name, "ra%d", i);
 741
 742                 device = dev_get_by_name(dev_net(dev), slot_name);
 743                 if (device != NULL)
 744                         dev_put(device);
 745
 746                 if (device == NULL)
 747                         break;
 748         }
 749
 750         if(i == 8)
 751         {
 752                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 753                 Status = NDIS_STATUS_FAILURE;
 754         }
 755         else
 756         {
 757                 sprintf(dev->name, "ra%d", i);
 758                 Status = NDIS_STATUS_SUCCESS;
 759         }
 760
 761         return Status;
 762
 763 }
 764
 765 /*
 766 ========================================================================
 767 Routine Description:
 768     Probe RT28XX chipset.
 769
 770 Arguments:
 771     _dev_p                              Point to the PCI or USB device
 772         _dev_id_p                       Point to the PCI or USB device ID
 773
 774 Return Value:
 775     0                                   Probe OK
 776         -ENODEV                         Probe Fail
 777
 778 Note:
 779 ========================================================================
 780 */
 781 INT __devinit   rt28xx_probe(
 782     IN  void *_dev_p,
 783     IN  void *_dev_id_p,
 784         IN  UINT argc,
 785         OUT PRTMP_ADAPTER *ppAd)
 786 {
 787     struct  net_device  *net_dev;
 788     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 789     INT                 status;
 790         PVOID                           handle;
 791 #ifdef RT2870
 792         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 793         struct usb_device *dev_p = interface_to_usbdev(intf);
 794
 795         dev_p = usb_get_dev(dev_p);
 796 #endif // RT2870 //
 797
 798
 799     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 800
 801         // Check chipset vendor/product ID
 802 //      if (RT28XXChipsetCheck(_dev_p) == FALSE)
 803 //              goto err_out;
 804
 805     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 806     if (net_dev == NULL)
 807     {
 808         printk("alloc_netdev failed\n");
 809
 810         goto err_out;
 811     }
 812
 813 // sample
 814 //      if (rt_ieee80211_if_setup(net_dev) != NDIS_STATUS_SUCCESS)
 815 //              goto err_out;
 816
 817         netif_stop_queue(net_dev);
 818
 819 /* for supporting Network Manager */
 820 /* Set the sysfs physical device reference for the network logical device
 821  * if set prior to registration will cause a symlink during initialization.
 822  */
 823     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 824
 825         // Allocate RTMP_ADAPTER miniport adapter structure
 826         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 827         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 828
 829         status = RTMPAllocAdapterBlock(handle, &pAd);
 830         if (status != NDIS_STATUS_SUCCESS)
 831                 goto err_out_free_netdev;
 832
 833         net_dev->ml_priv = (PVOID)pAd;
 834     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 835
 836         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 837
 838     pAd->StaCfg.OriDevType = net_dev->type;
 839
 840         // Find and assign a free interface name, raxx
 841 //      RT28XXAvailRANameAssign(net_dev->name);
 842
 843         // Post config
 844         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 845                 goto err_out_unmap;
 846
 847         pAd->OpMode = OPMODE_STA;
 848
 849         // sample move
 850         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 851                 goto err_out_unmap;
 852
 853     // Register this device
 854     status = register_netdev(net_dev);
 855     if (status)
 856         goto err_out_unmap;
 857
 858     // Set driver data
 859         RT28XX_DRVDATA_SET(_dev_p);
 860
 861
 862
 863         *ppAd = pAd;
 864     return 0; // probe ok
 865
 866
 867         /* --------------------------- ERROR HANDLE --------------------------- */
 868 err_out_unmap:
 869         RTMPFreeAdapter(pAd);
 870         RT28XX_UNMAP();
 871
 872 err_out_free_netdev:
 873         free_netdev(net_dev);
 874
 875 err_out:
 876         RT28XX_PUT_DEVICE(dev_p);
 877
 878         return -ENODEV; /* probe fail */
 879 } /* End of rt28xx_probe */
 880
 881
 882 /*
 883 ========================================================================
 884 Routine Description:
 885     The entry point for Linux kernel sent packet to our driver.
 886
 887 Arguments:
 888     sk_buff *skb                the pointer refer to a sk_buffer.
 889
 890 Return Value:
 891     0
 892
 893 Note:
 894         This function is the entry point of Tx Path for Os delivery packet to
 895         our driver. You only can put OS-depened & STA/AP common handle procedures
 896         in here.
 897 ========================================================================
 898 */
 899 int rt28xx_packet_xmit(struct sk_buff *skb)
 900 {
 901         struct net_device *net_dev = skb->dev;
 902         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 903         int status = 0;
 904         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 905
 906         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 907         {
 908                 // Drop send request since we are in monitor mode
 909                 if (MONITOR_ON(pAd))
 910                 {
 911                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 912                         goto done;
 913                 }
 914         }
 915
 916         // EapolStart size is 18
 917         if (skb->len < 14)
 918         {
 919                 //printk("bad packet size: %d\n", pkt->len);
 920                 hex_dump("bad packet", skb->data, skb->len);
 921                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 922                 goto done;
 923         }
 924
 925 #if 0
 926 //      if ((pkt->data[0] & 0x1) == 0)
 927         {
 928                 //hex_dump(__func__, pkt->data, pkt->len);
 929                 printk("pPacket = %x\n", pPacket);
 930         }
 931 #endif
 932
 933         RTMP_SET_PACKET_5VT(pPacket, 0);
 934 //      MiniportMMRequest(pAd, pkt->data, pkt->len);
 935 #ifdef CONFIG_5VT_ENHANCE
 936     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 937                 RTMP_SET_PACKET_5VT(pPacket, 1);
 938     }
 939 #endif
 940
 941         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 942         {
 943
 944                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 945         }
 946
 947         status = 0;
 948 done:
 949
 950         return status;
 951 }
 952
 953
 954 /*
 955 ========================================================================
 956 Routine Description:
 957     Send a packet to WLAN.
 958
 959 Arguments:
 960     skb_p           points to our adapter
 961     dev_p           which WLAN network interface
 962
 963 Return Value:
 964     0: transmit successfully
 965     otherwise: transmit fail
 966
 967 Note:
 968 ========================================================================
 969 */
 970 INT rt28xx_send_packets(
 971         IN struct sk_buff               *skb_p,
 972         IN struct net_device    *net_dev)
 973 {
 974     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 975
 976         if (!(net_dev->flags & IFF_UP))
 977         {
 978                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 979                 return 0;
 980         }
 981
 982         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 983         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 984
 985         return rt28xx_packet_xmit(skb_p);
 986 } /* End of MBSS_VirtualIF_PacketSend */
 987
 988
 989
 990
 991 void CfgInitHook(PRTMP_ADAPTER pAd)
 992 {
 993         pAd->bBroadComHT = TRUE;
 994 } /* End of CfgInitHook */
 995
 996
 997 #if 0   // Not used now, should keep it in our source tree??
 998 /*
 999 ========================================================================
1000 Routine Description:
1001     Find and assign a free interface name (raxx).
1002
1003 Arguments:
1004     *name_p                             the interface name pointer
1005
1006 Return Value:
1007         TRUE                            OK
1008         FALSE                           FAIL
1009
1010 Note:
1011 ========================================================================
1012 */
1013 static BOOLEAN RT28XXAvailRANameAssign(
1014         IN CHAR                 *name_p)
1015 {
1016     CHAR                                slot_name[IFNAMSIZ];
1017     struct net_device   *device;
1018         UINT32                          if_id;
1019
1020
1021     for(if_id=0; if_id<8; if_id++)
1022     {
1023         sprintf(slot_name, "ra%d", if_id);
1024
1025         for(device=dev_base; device!=NULL; device=device->next)
1026         {
1027             if (strncmp(device->name, slot_name, 4) == 0)
1028                 break;
1029         }
1030
1031         if (device == NULL)
1032                         break;
1033     }
1034
1035     if (if_id == 8)
1036     {
1037         DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
1038         return FALSE;
1039     }
1040
1041     sprintf(name_p, "ra%d", if_id);
1042         return TRUE;
1043 } /* End of RT28XXAvailRANameAssign */
1044 #endif
1045
1046 #if WIRELESS_EXT >= 12
1047 // This function will be called when query /proc
1048 struct iw_statistics *rt28xx_get_wireless_stats(
1049     IN struct net_device *net_dev)
1050 {
1051         PRTMP_ADAPTER pAd = net_dev->ml_priv;
1052
1053
1054         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
1055
1056         pAd->iw_stats.status = 0; // Status - device dependent for now
1057
1058         // link quality
1059         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
1060         if(pAd->iw_stats.qual.qual > 100)
1061                 pAd->iw_stats.qual.qual = 100;
1062
1063         if (pAd->OpMode == OPMODE_STA)
1064                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
1065
1066         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
1067
1068         pAd->iw_stats.qual.noise += 256 - 143;
1069         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
1070 #ifdef IW_QUAL_DBM
1071         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
1072 #endif // IW_QUAL_DBM //
1073
1074         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
1075         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
1076
1077         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
1078         return &pAd->iw_stats;
1079 } /* End of rt28xx_get_wireless_stats */
1080 #endif // WIRELESS_EXT //
1081
1082
1083
1084 void tbtt_tasklet(unsigned long data)
1085 {
1086 #define MAX_TX_IN_TBTT          (16)
1087
1088 }
1089
1090 INT rt28xx_ioctl(
1091         IN      struct net_device       *net_dev,
1092         IN      OUT     struct ifreq    *rq,
1093         IN      INT                                     cmd)
1094 {
1095         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1096         RTMP_ADAPTER    *pAd = NULL;
1097         INT                             ret = 0;
1098
1099         if (net_dev->priv_flags == INT_MAIN)
1100         {
1101                 pAd = net_dev->ml_priv;
1102         }
1103         else
1104         {
1105                 pVirtualAd = net_dev->ml_priv;
1106                 pAd = pVirtualAd->RtmpDev->ml_priv;
1107         }
1108
1109         if (pAd == NULL)
1110         {
1111                 /* if 1st open fail, pAd will be free;
1112                    So the net_dev->ml_priv will be NULL in 2rd open */
1113                 return -ENETDOWN;
1114         }
1115
1116         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1117         {
1118                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1119         }
1120
1121         return ret;
1122 }
1123
1124 /*
1125     ========================================================================
1126
1127     Routine Description:
1128         return ethernet statistics counter
1129
1130     Arguments:
1131         net_dev                     Pointer to net_device
1132
1133     Return Value:
1134         net_device_stats*
1135
1136     Note:
1137
1138     ========================================================================
1139 */
1140 struct net_device_stats *RT28xx_get_ether_stats(
1141     IN  struct net_device *net_dev)
1142 {
1143     RTMP_ADAPTER *pAd = NULL;
1144
1145         if (net_dev)
1146                 pAd = net_dev->ml_priv;
1147
1148         if (pAd)
1149         {
1150
1151                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1152                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1153
1154                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1155                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1156
1157                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1158                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1159
1160                 pAd->stats.rx_dropped = 0;
1161                 pAd->stats.tx_dropped = 0;
1162
1163             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1164             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1165
1166             pAd->stats.rx_length_errors = 0;
1167             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1168             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1169             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1170             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1171             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1172
1173             // detailed tx_errors
1174             pAd->stats.tx_aborted_errors = 0;
1175             pAd->stats.tx_carrier_errors = 0;
1176             pAd->stats.tx_fifo_errors = 0;
1177             pAd->stats.tx_heartbeat_errors = 0;
1178             pAd->stats.tx_window_errors = 0;
1179
1180             // for cslip etc
1181             pAd->stats.rx_compressed = 0;
1182             pAd->stats.tx_compressed = 0;
1183
1184                 return &pAd->stats;
1185         }
1186         else
1187         return NULL;
1188 }
1189