drivers/staging/rt2860/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 = "";               // 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 #ifdef RT2860
  62 extern void init_thread_task(PRTMP_ADAPTER pAd);
  63 #endif
  64
  65 // public function prototype
  66 INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
  67                                                         IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
  68
  69 // private function prototype
  70 static int rt28xx_init(IN struct net_device *net_dev);
  71 INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev);
  72
  73 static void CfgInitHook(PRTMP_ADAPTER pAd);
  74
  75 extern  const struct iw_handler_def rt28xx_iw_handler_def;
  76
  77 // This function will be called when query /proc
  78 struct iw_statistics *rt28xx_get_wireless_stats(
  79     IN struct net_device *net_dev);
  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         VIRTUAL_IF_DOWN(pAd);
 117
 118         RT_MOD_DEC_USE_COUNT();
 119
 120         return 0; // close ok
 121 }
 122
 123 /*
 124 ========================================================================
 125 Routine Description:
 126     Open raxx interface.
 127
 128 Arguments:
 129         *net_dev                        the raxx interface pointer
 130
 131 Return Value:
 132     0                                   Open OK
 133         otherwise                       Open Fail
 134
 135 Note:
 136         1. if open fail, kernel will not call the close function.
 137         2. Free memory for
 138                 (1) Mlme Memory Handler:                MlmeHalt()
 139                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 140                 (3) BA Reordering:                              ba_reordering_resource_release()
 141 ========================================================================
 142 */
 143 int MainVirtualIF_open(IN struct net_device *net_dev)
 144 {
 145     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 146
 147         // Sanity check for pAd
 148         if (pAd == NULL)
 149                 return 0; // close ok
 150
 151         if (VIRTUAL_IF_UP(pAd) != 0)
 152                 return -1;
 153
 154         // increase MODULE use count
 155         RT_MOD_INC_USE_COUNT();
 156
 157         netif_start_queue(net_dev);
 158         netif_carrier_on(net_dev);
 159         netif_wake_queue(net_dev);
 160
 161         return 0;
 162 }
 163
 164 /*
 165 ========================================================================
 166 Routine Description:
 167     Close raxx interface.
 168
 169 Arguments:
 170         *net_dev                        the raxx interface pointer
 171
 172 Return Value:
 173     0                                   Open OK
 174         otherwise                       Open Fail
 175
 176 Note:
 177         1. if open fail, kernel will not call the close function.
 178         2. Free memory for
 179                 (1) Mlme Memory Handler:                MlmeHalt()
 180                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 181                 (3) BA Reordering:                              ba_reordering_resource_release()
 182 ========================================================================
 183 */
 184 int rt28xx_close(IN PNET_DEV dev)
 185 {
 186         struct net_device * net_dev = (struct net_device *)dev;
 187     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 188         BOOLEAN                 Cancelled = FALSE;
 189         UINT32                  i = 0;
 190 #ifdef RT2870
 191         DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup);
 192         DECLARE_WAITQUEUE(wait, current);
 193
 194         //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 195 #endif // RT2870 //
 196
 197
 198     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 199
 200         // Sanity check for pAd
 201         if (pAd == NULL)
 202                 return 0; // close ok
 203
 204         {
 205                 // If dirver doesn't wake up firmware here,
 206                 // NICLoadFirmware will hang forever when interface is up again.
 207 #ifdef RT2860
 208                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
 209                         RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
 210                         RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
 211 #endif
 212 #ifdef RT2870
 213                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 214 #endif
 215         {
 216 #ifdef RT2860
 217                     AsicForceWakeup(pAd, RTMP_HALT);
 218 #endif
 219 #ifdef RT2870
 220                     AsicForceWakeup(pAd, TRUE);
 221 #endif
 222         }
 223
 224                 if (INFRA_ON(pAd) &&
 225                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 226                 {
 227                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 228                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 229
 230                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 231                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 232
 233                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 234                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 235                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 236                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 237
 238                         // Prevent to connect AP again in STAMlmePeriodicExec
 239                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 240                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 241
 242                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 243                         MlmeDisassocReqAction(pAd, MsgElem);
 244                         kfree(MsgElem);
 245
 246                         RTMPusecDelay(1000);
 247                 }
 248
 249 #ifdef RT2870
 250         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 251 #endif // RT2870 //
 252
 253 #ifdef CCX_SUPPORT
 254                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 255 #endif
 256
 257                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 258                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 259
 260                 MlmeRadioOff(pAd);
 261 #ifdef RT2860
 262                 pAd->bPCIclkOff = FALSE;
 263 #endif
 264         }
 265
 266         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 267
 268         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 269         {
 270                 while (pAd->DeQueueRunning[i] == TRUE)
 271                 {
 272                         printk("Waiting for TxQueue[%d] done..........\n", i);
 273                         RTMPusecDelay(1000);
 274                 }
 275         }
 276
 277 #ifdef RT2870
 278         // ensure there are no more active urbs.
 279         add_wait_queue (&unlink_wakeup, &wait);
 280         pAd->wait = &unlink_wakeup;
 281
 282         // maybe wait for deletions to finish.
 283         i = 0;
 284         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 285         while(i < 25)
 286         {
 287                 unsigned long IrqFlags;
 288
 289                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 290                 if (pAd->PendingRx == 0)
 291                 {
 292                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 293                         break;
 294                 }
 295                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 296
 297                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 298                 i++;
 299         }
 300         pAd->wait = NULL;
 301         remove_wait_queue (&unlink_wakeup, &wait);
 302 #endif // RT2870 //
 303
 304 #ifdef RT2870
 305         // We need clear timerQ related structure before exits of the timer thread.
 306         RT2870_TimerQ_Exit(pAd);
 307         // Close kernel threads or tasklets
 308         RT28xxThreadTerminate(pAd);
 309 #endif // RT2870 //
 310
 311         // Stop Mlme state machine
 312         MlmeHalt(pAd);
 313
 314         // Close kernel threads or tasklets
 315         kill_thread_task(pAd);
 316
 317         MacTableReset(pAd);
 318
 319         MeasureReqTabExit(pAd);
 320         TpcReqTabExit(pAd);
 321
 322 #ifdef RT2860
 323         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 324         {
 325                 NICDisableInterrupt(pAd);
 326         }
 327
 328         // Disable Rx, register value supposed will remain after reset
 329         NICIssueReset(pAd);
 330
 331         // Free IRQ
 332         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 333         {
 334                 // Deregister interrupt function
 335                 RT28XX_IRQ_RELEASE(net_dev)
 336                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 337         }
 338 #endif
 339
 340         // Free Ring or USB buffers
 341         RTMPFreeTxRxRingMemory(pAd);
 342
 343         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 344
 345         // Free BA reorder resource
 346         ba_reordering_resource_release(pAd);
 347
 348         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 349
 350         return 0; // close ok
 351 } /* End of rt28xx_close */
 352
 353 static int rt28xx_init(IN struct net_device *net_dev)
 354 {
 355 #ifdef RT2860
 356         PRTMP_ADAPTER                   pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
 357 #endif
 358 #ifdef RT2870
 359         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 360 #endif
 361         UINT                                    index;
 362         UCHAR                                   TmpPhy;
 363         NDIS_STATUS                             Status;
 364         UINT32          MacCsr0 = 0;
 365
 366         // Allocate BA Reordering memory
 367         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 368
 369         // Make sure MAC gets ready.
 370         index = 0;
 371         do
 372         {
 373                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 374                 pAd->MACVersion = MacCsr0;
 375
 376                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 377                         break;
 378
 379                 RTMPusecDelay(10);
 380         } while (index++ < 100);
 381
 382         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 383 /*Iverson patch PCIE L1 issue */
 384
 385         // Disable DMA
 386         RT28XXDMADisable(pAd);
 387
 388         // Load 8051 firmware
 389         Status = NICLoadFirmware(pAd);
 390         if (Status != NDIS_STATUS_SUCCESS)
 391         {
 392                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 393                 goto err1;
 394         }
 395
 396         NICLoadRateSwitchingParams(pAd);
 397
 398         // Disable interrupts here which is as soon as possible
 399         // This statement should never be true. We might consider to remove it later
 400 #ifdef RT2860
 401         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 402         {
 403                 NICDisableInterrupt(pAd);
 404         }
 405 #endif
 406
 407         Status = RTMPAllocTxRxRingMemory(pAd);
 408         if (Status != NDIS_STATUS_SUCCESS)
 409         {
 410                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 411                 goto err1;
 412         }
 413
 414         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 415
 416         // initialize MLME
 417         //
 418
 419         Status = MlmeInit(pAd);
 420         if (Status != NDIS_STATUS_SUCCESS)
 421         {
 422                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 423                 goto err2;
 424         }
 425
 426         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 427         //
 428         UserCfgInit(pAd);
 429
 430 #ifdef RT2870
 431         // We need init timerQ related structure before create the timer thread.
 432         RT2870_TimerQ_Init(pAd);
 433 #endif // RT2870 //
 434
 435         RT28XX_TASK_THREAD_INIT(pAd, Status);
 436         if (Status != NDIS_STATUS_SUCCESS)
 437                 goto err1;
 438
 439         CfgInitHook(pAd);
 440
 441         NdisAllocateSpinLock(&pAd->MacTabLock);
 442
 443         MeasureReqTabInit(pAd);
 444         TpcReqTabInit(pAd);
 445
 446         //
 447         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 448         //
 449         Status = NICInitializeAdapter(pAd, TRUE);
 450         if (Status != NDIS_STATUS_SUCCESS)
 451         {
 452                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 453                 if (Status != NDIS_STATUS_SUCCESS)
 454                 goto err3;
 455         }
 456
 457         // Read parameters from Config File
 458         Status = RTMPReadParametersHook(pAd);
 459
 460         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 461         if (Status != NDIS_STATUS_SUCCESS)
 462         {
 463                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 464                 goto err4;
 465         }
 466
 467 #ifdef RT2870
 468         pAd->CommonCfg.bMultipleIRP = FALSE;
 469
 470         if (pAd->CommonCfg.bMultipleIRP)
 471                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 472         else
 473                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 474 #endif // RT2870 //
 475
 476
 477         //Init Ba Capability parameters.
 478         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 479         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 480         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 481         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 482         // UPdata to HT IE
 483         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 484         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 485         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 486
 487         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 488
 489         // We should read EEPROM for all cases.  rt2860b
 490         NICReadEEPROMParameters(pAd, mac);
 491
 492         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 493
 494         NICInitAsicFromEEPROM(pAd); //rt2860b
 495
 496         // Set PHY to appropriate mode
 497         TmpPhy = pAd->CommonCfg.PhyMode;
 498         pAd->CommonCfg.PhyMode = 0xff;
 499         RTMPSetPhyMode(pAd, TmpPhy);
 500         SetCommonHT(pAd);
 501
 502         // No valid channels.
 503         if (pAd->ChannelListNum == 0)
 504         {
 505                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 506                 goto err4;
 507         }
 508
 509         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 510            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 511            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 512
 513 #ifdef RT2870
 514     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 515         NICInitRT30xxRFRegisters(pAd);
 516 #endif // RT2870 //
 517
 518
 519                 //
 520         // Initialize RF register to default value
 521         //
 522         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 523         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 524
 525 #ifndef RT2870
 526         // 8051 firmware require the signal during booting time.
 527         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 528 #endif
 529
 530         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 531         {
 532                 //
 533                 // Undo everything if it failed
 534                 //
 535                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 536                 {
 537                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 538                 }
 539         }
 540         else if (pAd)
 541         {
 542                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 543                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 544                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 545
 546                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 547
 548
 549 #ifdef RT2870
 550                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 551                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 552
 553                 //
 554                 // Support multiple BulkIn IRP,
 555                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 556                 //
 557                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 558                 {
 559                         RTUSBBulkReceive(pAd);
 560                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 561                 }
 562 #endif // RT2870 //
 563         }// end of else
 564
 565
 566         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 567
 568         return TRUE;
 569
 570
 571 err4:
 572 err3:
 573         MlmeHalt(pAd);
 574 err2:
 575         RTMPFreeTxRxRingMemory(pAd);
 576 err1:
 577         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 578         RT28XX_IRQ_RELEASE(net_dev);
 579
 580         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 581         //net_dev->ml_priv = 0;
 582
 583         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 584         return FALSE;
 585 } /* End of rt28xx_init */
 586
 587
 588 /*
 589 ========================================================================
 590 Routine Description:
 591     Open raxx interface.
 592
 593 Arguments:
 594         *net_dev                        the raxx interface pointer
 595
 596 Return Value:
 597     0                                   Open OK
 598         otherwise                       Open Fail
 599
 600 Note:
 601 ========================================================================
 602 */
 603 int rt28xx_open(IN PNET_DEV dev)
 604 {
 605         struct net_device * net_dev = (struct net_device *)dev;
 606         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 607         int retval = 0;
 608         POS_COOKIE pObj;
 609
 610
 611         // Sanity check for pAd
 612         if (pAd == NULL)
 613         {
 614                 /* if 1st open fail, pAd will be free;
 615                    So the net_dev->ml_priv will be NULL in 2rd open */
 616                 return -1;
 617         }
 618
 619         // Init
 620         pObj = (POS_COOKIE)pAd->OS_Cookie;
 621
 622         // reset Adapter flags
 623         RTMP_CLEAR_FLAGS(pAd);
 624
 625         // Request interrupt service routine for PCI device
 626         // register the interrupt routine with the os
 627         RT28XX_IRQ_REQUEST(net_dev);
 628
 629
 630         // Init BssTab & ChannelInfo tabbles for auto channel select.
 631
 632
 633         // Chip & other init
 634         if (rt28xx_init(net_dev) == FALSE)
 635                 goto err;
 636
 637         NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 638         NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 639
 640         // Set up the Mac address
 641         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 642
 643         // Init IRQ parameters
 644         RT28XX_IRQ_INIT(pAd);
 645
 646         // Various AP function init
 647
 648         // Enable Interrupt
 649         RT28XX_IRQ_ENABLE(pAd);
 650
 651         // Now Enable RxTx
 652         RTMPEnableRxTx(pAd);
 653         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 654
 655         {
 656         UINT32 reg = 0;
 657         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 658         printk("0x1300 = %08x\n", reg);
 659         }
 660
 661 #ifdef RT2860
 662         RTMPInitPCIeLinkCtrlValue(pAd);
 663 #endif
 664         return (retval);
 665
 666 err:
 667         return (-1);
 668 } /* End of rt28xx_open */
 669
 670 static const struct net_device_ops rt2860_netdev_ops = {
 671         .ndo_open               = MainVirtualIF_open,
 672         .ndo_stop               = MainVirtualIF_close,
 673         .ndo_do_ioctl           = rt28xx_sta_ioctl,
 674         .ndo_get_stats          = RT28xx_get_ether_stats,
 675         .ndo_validate_addr      = NULL,
 676         .ndo_set_mac_address    = eth_mac_addr,
 677         .ndo_change_mtu         = eth_change_mtu,
 678         .ndo_start_xmit         = rt28xx_send_packets,
 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         if (pAd->OpMode == OPMODE_STA)
 690         {
 691                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 692         }
 693
 694         dev->priv_flags = INT_MAIN;
 695         dev->netdev_ops = &rt2860_netdev_ops;
 696         // find available device name
 697         for (i = 0; i < 8; i++)
 698         {
 699                 sprintf(slot_name, "wlan%d", i);
 700
 701                 device = dev_get_by_name(dev_net(dev), slot_name);
 702                 if (device != NULL)
 703                         dev_put(device);
 704
 705                 if (device == NULL)
 706                         break;
 707         }
 708
 709         if(i == 8)
 710         {
 711                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 712                 Status = NDIS_STATUS_FAILURE;
 713         }
 714         else
 715         {
 716                 sprintf(dev->name, "wlan%d", i);
 717                 Status = NDIS_STATUS_SUCCESS;
 718         }
 719
 720         return Status;
 721
 722 }
 723
 724 /*
 725 ========================================================================
 726 Routine Description:
 727     Probe RT28XX chipset.
 728
 729 Arguments:
 730     _dev_p                              Point to the PCI or USB device
 731         _dev_id_p                       Point to the PCI or USB device ID
 732
 733 Return Value:
 734     0                                   Probe OK
 735         -ENODEV                         Probe Fail
 736
 737 Note:
 738 ========================================================================
 739 */
 740 INT __devinit   rt28xx_probe(
 741     IN  void *_dev_p,
 742     IN  void *_dev_id_p,
 743         IN  UINT argc,
 744         OUT PRTMP_ADAPTER *ppAd)
 745 {
 746     struct  net_device  *net_dev;
 747     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 748     INT                 status;
 749         PVOID                           handle;
 750 #ifdef RT2860
 751         struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
 752 #endif
 753 #ifdef RT2870
 754         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 755         struct usb_device *dev_p = interface_to_usbdev(intf);
 756
 757         dev_p = usb_get_dev(dev_p);
 758 #endif // RT2870 //
 759
 760     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 761
 762     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 763     if (net_dev == NULL)
 764     {
 765         printk("alloc_netdev failed\n");
 766
 767         goto err_out;
 768     }
 769
 770         netif_stop_queue(net_dev);
 771
 772 /* for supporting Network Manager */
 773 /* Set the sysfs physical device reference for the network logical device
 774  * if set prior to registration will cause a symlink during initialization.
 775  */
 776     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 777
 778         // Allocate RTMP_ADAPTER miniport adapter structure
 779         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 780         if (handle == NULL)
 781                 goto err_out_free_netdev;;
 782         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 783
 784         status = RTMPAllocAdapterBlock(handle, &pAd);
 785         if (status != NDIS_STATUS_SUCCESS)
 786                 goto err_out_free_netdev;
 787
 788         net_dev->ml_priv = (PVOID)pAd;
 789     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 790
 791         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 792
 793     pAd->StaCfg.OriDevType = net_dev->type;
 794
 795         // Post config
 796         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 797                 goto err_out_unmap;
 798
 799         pAd->OpMode = OPMODE_STA;
 800
 801         // sample move
 802         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 803                 goto err_out_unmap;
 804
 805     // Register this device
 806     status = register_netdev(net_dev);
 807     if (status)
 808         goto err_out_unmap;
 809
 810     // Set driver data
 811         RT28XX_DRVDATA_SET(_dev_p);
 812
 813         *ppAd = pAd;
 814     return 0; // probe ok
 815
 816
 817         /* --------------------------- ERROR HANDLE --------------------------- */
 818 err_out_unmap:
 819         RTMPFreeAdapter(pAd);
 820         RT28XX_UNMAP();
 821
 822 err_out_free_netdev:
 823         free_netdev(net_dev);
 824
 825 err_out:
 826         RT28XX_PUT_DEVICE(dev_p);
 827
 828         return -ENODEV; /* probe fail */
 829 } /* End of rt28xx_probe */
 830
 831
 832 /*
 833 ========================================================================
 834 Routine Description:
 835     The entry point for Linux kernel sent packet to our driver.
 836
 837 Arguments:
 838     sk_buff *skb                the pointer refer to a sk_buffer.
 839
 840 Return Value:
 841     0
 842
 843 Note:
 844         This function is the entry point of Tx Path for Os delivery packet to
 845         our driver. You only can put OS-depened & STA/AP common handle procedures
 846         in here.
 847 ========================================================================
 848 */
 849 int rt28xx_packet_xmit(struct sk_buff *skb)
 850 {
 851         struct net_device *net_dev = skb->dev;
 852         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 853         int status = NETDEV_TX_OK;
 854         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 855
 856         {
 857                 // Drop send request since we are in monitor mode
 858                 if (MONITOR_ON(pAd))
 859                 {
 860                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 861                         goto done;
 862                 }
 863         }
 864
 865         // EapolStart size is 18
 866         if (skb->len < 14)
 867         {
 868                 //printk("bad packet size: %d\n", pkt->len);
 869                 hex_dump("bad packet", skb->data, skb->len);
 870                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 871                 goto done;
 872         }
 873
 874         RTMP_SET_PACKET_5VT(pPacket, 0);
 875 #ifdef CONFIG_5VT_ENHANCE
 876     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 877                 RTMP_SET_PACKET_5VT(pPacket, 1);
 878     }
 879 #endif
 880
 881         STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 882
 883         status = NETDEV_TX_OK;
 884 done:
 885
 886         return status;
 887 }
 888
 889
 890 /*
 891 ========================================================================
 892 Routine Description:
 893     Send a packet to WLAN.
 894
 895 Arguments:
 896     skb_p           points to our adapter
 897     dev_p           which WLAN network interface
 898
 899 Return Value:
 900     0: transmit successfully
 901     otherwise: transmit fail
 902
 903 Note:
 904 ========================================================================
 905 */
 906 INT rt28xx_send_packets(
 907         IN struct sk_buff               *skb_p,
 908         IN struct net_device    *net_dev)
 909 {
 910     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 911         if (!(net_dev->flags & IFF_UP))
 912         {
 913                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 914                 return NETDEV_TX_OK;
 915         }
 916
 917         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 918         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 919
 920         return rt28xx_packet_xmit(skb_p);
 921
 922 } /* End of MBSS_VirtualIF_PacketSend */
 923
 924
 925
 926
 927 void CfgInitHook(PRTMP_ADAPTER pAd)
 928 {
 929         pAd->bBroadComHT = TRUE;
 930 } /* End of CfgInitHook */
 931
 932
 933 // This function will be called when query /proc
 934 struct iw_statistics *rt28xx_get_wireless_stats(
 935     IN struct net_device *net_dev)
 936 {
 937         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 938
 939
 940         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 941
 942         pAd->iw_stats.status = 0; // Status - device dependent for now
 943
 944         // link quality
 945         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 946         if(pAd->iw_stats.qual.qual > 100)
 947                 pAd->iw_stats.qual.qual = 100;
 948
 949         if (pAd->OpMode == OPMODE_STA)
 950                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 951
 952         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 953
 954         pAd->iw_stats.qual.noise += 256 - 143;
 955         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 956 #ifdef IW_QUAL_DBM
 957         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 958 #endif // IW_QUAL_DBM //
 959
 960         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 961         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 962
 963         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
 964         return &pAd->iw_stats;
 965 } /* End of rt28xx_get_wireless_stats */
 966
 967
 968
 969 void tbtt_tasklet(unsigned long data)
 970 {
 971 #define MAX_TX_IN_TBTT          (16)
 972
 973 }
 974
 975 /*
 976     ========================================================================
 977
 978     Routine Description:
 979         return ethernet statistics counter
 980
 981     Arguments:
 982         net_dev                     Pointer to net_device
 983
 984     Return Value:
 985         net_device_stats*
 986
 987     Note:
 988
 989     ========================================================================
 990 */
 991 struct net_device_stats *RT28xx_get_ether_stats(
 992     IN  struct net_device *net_dev)
 993 {
 994     RTMP_ADAPTER *pAd = NULL;
 995
 996         if (net_dev)
 997                 pAd = net_dev->ml_priv;
 998
 999         if (pAd)
1000         {
1001
1002                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1003                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1004
1005                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1006                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1007
1008                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1009                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1010
1011                 pAd->stats.rx_dropped = 0;
1012                 pAd->stats.tx_dropped = 0;
1013
1014             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1015             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1016
1017             pAd->stats.rx_length_errors = 0;
1018             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1019             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1020             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1021             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1022             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1023
1024             // detailed tx_errors
1025             pAd->stats.tx_aborted_errors = 0;
1026             pAd->stats.tx_carrier_errors = 0;
1027             pAd->stats.tx_fifo_errors = 0;
1028             pAd->stats.tx_heartbeat_errors = 0;
1029             pAd->stats.tx_window_errors = 0;
1030
1031             // for cslip etc
1032             pAd->stats.rx_compressed = 0;
1033             pAd->stats.tx_compressed = 0;
1034
1035                 return &pAd->stats;
1036         }
1037         else
1038         return NULL;
1039 }
1040