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 #if WIRELESS_EXT >= 12
  78 // This function will be called when query /proc
  79 struct iw_statistics *rt28xx_get_wireless_stats(
  80     IN struct net_device *net_dev);
  81 #endif
  82
  83 struct net_device_stats *RT28xx_get_ether_stats(
  84     IN  struct net_device *net_dev);
  85
  86 /*
  87 ========================================================================
  88 Routine Description:
  89     Close raxx interface.
  90
  91 Arguments:
  92         *net_dev                        the raxx interface pointer
  93
  94 Return Value:
  95     0                                   Open OK
  96         otherwise                       Open Fail
  97
  98 Note:
  99         1. if open fail, kernel will not call the close function.
 100         2. Free memory for
 101                 (1) Mlme Memory Handler:                MlmeHalt()
 102                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 103                 (3) BA Reordering:                              ba_reordering_resource_release()
 104 ========================================================================
 105 */
 106 int MainVirtualIF_close(IN struct net_device *net_dev)
 107 {
 108     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 109
 110         // Sanity check for pAd
 111         if (pAd == NULL)
 112                 return 0; // close ok
 113
 114         netif_carrier_off(pAd->net_dev);
 115         netif_stop_queue(pAd->net_dev);
 116
 117
 118         VIRTUAL_IF_DOWN(pAd);
 119
 120         RT_MOD_DEC_USE_COUNT();
 121
 122         return 0; // close ok
 123 }
 124
 125 /*
 126 ========================================================================
 127 Routine Description:
 128     Open raxx interface.
 129
 130 Arguments:
 131         *net_dev                        the raxx interface pointer
 132
 133 Return Value:
 134     0                                   Open OK
 135         otherwise                       Open Fail
 136
 137 Note:
 138         1. if open fail, kernel will not call the close function.
 139         2. Free memory for
 140                 (1) Mlme Memory Handler:                MlmeHalt()
 141                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 142                 (3) BA Reordering:                              ba_reordering_resource_release()
 143 ========================================================================
 144 */
 145 int MainVirtualIF_open(IN struct net_device *net_dev)
 146 {
 147     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 148
 149         // Sanity check for pAd
 150         if (pAd == NULL)
 151                 return 0; // close ok
 152
 153         if (VIRTUAL_IF_UP(pAd) != 0)
 154                 return -1;
 155
 156         // increase MODULE use count
 157         RT_MOD_INC_USE_COUNT();
 158
 159         netif_start_queue(net_dev);
 160         netif_carrier_on(net_dev);
 161         netif_wake_queue(net_dev);
 162
 163         return 0;
 164 }
 165
 166 /*
 167 ========================================================================
 168 Routine Description:
 169     Close raxx interface.
 170
 171 Arguments:
 172         *net_dev                        the raxx interface pointer
 173
 174 Return Value:
 175     0                                   Open OK
 176         otherwise                       Open Fail
 177
 178 Note:
 179         1. if open fail, kernel will not call the close function.
 180         2. Free memory for
 181                 (1) Mlme Memory Handler:                MlmeHalt()
 182                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 183                 (3) BA Reordering:                              ba_reordering_resource_release()
 184 ========================================================================
 185 */
 186 int rt28xx_close(IN PNET_DEV dev)
 187 {
 188         struct net_device * net_dev = (struct net_device *)dev;
 189     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 190         BOOLEAN                 Cancelled = FALSE;
 191         UINT32                  i = 0;
 192 #ifdef RT2870
 193         DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
 194         DECLARE_WAITQUEUE(wait, current);
 195
 196         //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 197 #endif // RT2870 //
 198
 199
 200     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 201
 202         // Sanity check for pAd
 203         if (pAd == NULL)
 204                 return 0; // close ok
 205
 206         {
 207                 // If dirver doesn't wake up firmware here,
 208                 // NICLoadFirmware will hang forever when interface is up again.
 209 #ifdef RT2860
 210                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
 211                         RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
 212                         RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
 213 #endif
 214 #ifdef RT2870
 215                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 216 #endif
 217         {
 218 #ifdef RT2860
 219                     AsicForceWakeup(pAd, RTMP_HALT);
 220 #endif
 221 #ifdef RT2870
 222                     AsicForceWakeup(pAd, TRUE);
 223 #endif
 224         }
 225
 226                 if (INFRA_ON(pAd) &&
 227                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 228                 {
 229                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 230                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 231
 232                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 233                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 234
 235                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 236                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 237                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 238                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 239
 240                         // Prevent to connect AP again in STAMlmePeriodicExec
 241                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 242                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 243
 244                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 245                         MlmeDisassocReqAction(pAd, MsgElem);
 246                         kfree(MsgElem);
 247
 248                         RTMPusecDelay(1000);
 249                 }
 250
 251 #ifdef RT2870
 252         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 253 #endif // RT2870 //
 254
 255 #ifdef CCX_SUPPORT
 256                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 257 #endif
 258
 259                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 260                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 261
 262                 MlmeRadioOff(pAd);
 263 #ifdef RT2860
 264                 pAd->bPCIclkOff = FALSE;
 265 #endif
 266         }
 267
 268         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 269
 270         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 271         {
 272                 while (pAd->DeQueueRunning[i] == TRUE)
 273                 {
 274                         printk("Waiting for TxQueue[%d] done..........\n", i);
 275                         RTMPusecDelay(1000);
 276                 }
 277         }
 278
 279 #ifdef RT2870
 280         // ensure there are no more active urbs.
 281         add_wait_queue (&unlink_wakeup, &wait);
 282         pAd->wait = &unlink_wakeup;
 283
 284         // maybe wait for deletions to finish.
 285         i = 0;
 286         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 287         while(i < 25)
 288         {
 289                 unsigned long IrqFlags;
 290
 291                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 292                 if (pAd->PendingRx == 0)
 293                 {
 294                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 295                         break;
 296                 }
 297                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 298
 299                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 300                 i++;
 301         }
 302         pAd->wait = NULL;
 303         remove_wait_queue (&unlink_wakeup, &wait);
 304 #endif // RT2870 //
 305
 306 #ifdef RT2870
 307         // We need clear timerQ related structure before exits of the timer thread.
 308         RT2870_TimerQ_Exit(pAd);
 309         // Close kernel threads or tasklets
 310         RT28xxThreadTerminate(pAd);
 311 #endif // RT2870 //
 312
 313         // Stop Mlme state machine
 314         MlmeHalt(pAd);
 315
 316         // Close kernel threads or tasklets
 317         kill_thread_task(pAd);
 318
 319         MacTableReset(pAd);
 320
 321         MeasureReqTabExit(pAd);
 322         TpcReqTabExit(pAd);
 323
 324 #ifdef RT2860
 325         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 326         {
 327                 NICDisableInterrupt(pAd);
 328         }
 329
 330         // Disable Rx, register value supposed will remain after reset
 331         NICIssueReset(pAd);
 332
 333         // Free IRQ
 334         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 335         {
 336                 // Deregister interrupt function
 337                 RT28XX_IRQ_RELEASE(net_dev)
 338                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 339         }
 340 #endif
 341
 342         // Free Ring or USB buffers
 343         RTMPFreeTxRxRingMemory(pAd);
 344
 345         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 346
 347         // Free BA reorder resource
 348         ba_reordering_resource_release(pAd);
 349
 350         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 351
 352         return 0; // close ok
 353 } /* End of rt28xx_close */
 354
 355 static int rt28xx_init(IN struct net_device *net_dev)
 356 {
 357 #ifdef RT2860
 358         PRTMP_ADAPTER                   pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
 359 #endif
 360 #ifdef RT2870
 361         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 362 #endif
 363         UINT                                    index;
 364         UCHAR                                   TmpPhy;
 365         NDIS_STATUS                             Status;
 366         UINT32          MacCsr0 = 0;
 367
 368         // Allocate BA Reordering memory
 369         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 370
 371         // Make sure MAC gets ready.
 372         index = 0;
 373         do
 374         {
 375                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 376                 pAd->MACVersion = MacCsr0;
 377
 378                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 379                         break;
 380
 381                 RTMPusecDelay(10);
 382         } while (index++ < 100);
 383
 384         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 385 /*Iverson patch PCIE L1 issue */
 386
 387         // Disable DMA
 388         RT28XXDMADisable(pAd);
 389
 390         // Load 8051 firmware
 391         Status = NICLoadFirmware(pAd);
 392         if (Status != NDIS_STATUS_SUCCESS)
 393         {
 394                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 395                 goto err1;
 396         }
 397
 398         NICLoadRateSwitchingParams(pAd);
 399
 400         // Disable interrupts here which is as soon as possible
 401         // This statement should never be true. We might consider to remove it later
 402 #ifdef RT2860
 403         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 404         {
 405                 NICDisableInterrupt(pAd);
 406         }
 407 #endif
 408
 409         Status = RTMPAllocTxRxRingMemory(pAd);
 410         if (Status != NDIS_STATUS_SUCCESS)
 411         {
 412                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 413                 goto err1;
 414         }
 415
 416         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 417
 418         // initialize MLME
 419         //
 420
 421         Status = MlmeInit(pAd);
 422         if (Status != NDIS_STATUS_SUCCESS)
 423         {
 424                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 425                 goto err2;
 426         }
 427
 428         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 429         //
 430         UserCfgInit(pAd);
 431
 432 #ifdef RT2870
 433         // We need init timerQ related structure before create the timer thread.
 434         RT2870_TimerQ_Init(pAd);
 435 #endif // RT2870 //
 436
 437         RT28XX_TASK_THREAD_INIT(pAd, Status);
 438         if (Status != NDIS_STATUS_SUCCESS)
 439                 goto err1;
 440
 441         CfgInitHook(pAd);
 442
 443         NdisAllocateSpinLock(&pAd->MacTabLock);
 444
 445         MeasureReqTabInit(pAd);
 446         TpcReqTabInit(pAd);
 447
 448         //
 449         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 450         //
 451         Status = NICInitializeAdapter(pAd, TRUE);
 452         if (Status != NDIS_STATUS_SUCCESS)
 453         {
 454                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 455                 if (Status != NDIS_STATUS_SUCCESS)
 456                 goto err3;
 457         }
 458
 459         // Read parameters from Config File
 460         Status = RTMPReadParametersHook(pAd);
 461
 462         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 463         if (Status != NDIS_STATUS_SUCCESS)
 464         {
 465                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 466                 goto err4;
 467         }
 468
 469 #ifdef RT2870
 470         pAd->CommonCfg.bMultipleIRP = FALSE;
 471
 472         if (pAd->CommonCfg.bMultipleIRP)
 473                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 474         else
 475                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 476 #endif // RT2870 //
 477
 478
 479         //Init Ba Capability parameters.
 480         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 481         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 482         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 483         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 484         // UPdata to HT IE
 485         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 486         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 487         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 488
 489         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 490
 491         // We should read EEPROM for all cases.  rt2860b
 492         NICReadEEPROMParameters(pAd, mac);
 493
 494         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 495
 496         NICInitAsicFromEEPROM(pAd); //rt2860b
 497
 498         // Set PHY to appropriate mode
 499         TmpPhy = pAd->CommonCfg.PhyMode;
 500         pAd->CommonCfg.PhyMode = 0xff;
 501         RTMPSetPhyMode(pAd, TmpPhy);
 502         SetCommonHT(pAd);
 503
 504         // No valid channels.
 505         if (pAd->ChannelListNum == 0)
 506         {
 507                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 508                 goto err4;
 509         }
 510
 511         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 512            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 513            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 514
 515 #ifdef RT2870
 516     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 517         NICInitRT30xxRFRegisters(pAd);
 518 #endif // RT2870 //
 519
 520 #ifdef IKANOS_VX_1X0
 521         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 522 #endif // IKANOS_VX_1X0 //
 523
 524                 //
 525         // Initialize RF register to default value
 526         //
 527         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 528         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 529
 530 #ifndef RT30xx
 531         // 8051 firmware require the signal during booting time.
 532         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 533 #endif
 534
 535         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 536         {
 537                 //
 538                 // Undo everything if it failed
 539                 //
 540                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 541                 {
 542                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 543                 }
 544         }
 545         else if (pAd)
 546         {
 547                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 548                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 549                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 550
 551                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 552
 553
 554 #ifdef RT2870
 555                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 556                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 557
 558                 //
 559                 // Support multiple BulkIn IRP,
 560                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 561                 //
 562                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 563                 {
 564                         RTUSBBulkReceive(pAd);
 565                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 566                 }
 567 #endif // RT2870 //
 568         }// end of else
 569
 570
 571         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 572
 573         return TRUE;
 574
 575
 576 err4:
 577 err3:
 578         MlmeHalt(pAd);
 579 err2:
 580         RTMPFreeTxRxRingMemory(pAd);
 581 err1:
 582         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 583         RT28XX_IRQ_RELEASE(net_dev);
 584
 585         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 586         //net_dev->ml_priv = 0;
 587
 588         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 589         return FALSE;
 590 } /* End of rt28xx_init */
 591
 592
 593 /*
 594 ========================================================================
 595 Routine Description:
 596     Open raxx interface.
 597
 598 Arguments:
 599         *net_dev                        the raxx interface pointer
 600
 601 Return Value:
 602     0                                   Open OK
 603         otherwise                       Open Fail
 604
 605 Note:
 606 ========================================================================
 607 */
 608 int rt28xx_open(IN PNET_DEV dev)
 609 {
 610         struct net_device * net_dev = (struct net_device *)dev;
 611         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 612         int retval = 0;
 613         POS_COOKIE pObj;
 614
 615
 616         // Sanity check for pAd
 617         if (pAd == NULL)
 618         {
 619                 /* if 1st open fail, pAd will be free;
 620                    So the net_dev->ml_priv will be NULL in 2rd open */
 621                 return -1;
 622         }
 623
 624         // Init
 625         pObj = (POS_COOKIE)pAd->OS_Cookie;
 626
 627         // reset Adapter flags
 628         RTMP_CLEAR_FLAGS(pAd);
 629
 630         // Request interrupt service routine for PCI device
 631         // register the interrupt routine with the os
 632         RT28XX_IRQ_REQUEST(net_dev);
 633
 634
 635         // Init BssTab & ChannelInfo tabbles for auto channel select.
 636
 637
 638         // Chip & other init
 639         if (rt28xx_init(net_dev) == FALSE)
 640                 goto err;
 641
 642         NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 643         NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 644
 645         // Set up the Mac address
 646         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 647
 648         // Init IRQ parameters
 649         RT28XX_IRQ_INIT(pAd);
 650
 651         // Various AP function init
 652
 653         // Enable Interrupt
 654         RT28XX_IRQ_ENABLE(pAd);
 655
 656         // Now Enable RxTx
 657         RTMPEnableRxTx(pAd);
 658         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 659
 660         {
 661         UINT32 reg = 0;
 662         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 663         printk("0x1300 = %08x\n", reg);
 664         }
 665
 666 #ifdef RT2860
 667         RTMPInitPCIeLinkCtrlValue(pAd);
 668 #endif
 669         return (retval);
 670
 671 err:
 672         return (-1);
 673 } /* End of rt28xx_open */
 674
 675 static const struct net_device_ops rt2860_netdev_ops = {
 676         .ndo_open               = MainVirtualIF_open,
 677         .ndo_stop               = MainVirtualIF_close,
 678         .ndo_do_ioctl           = rt28xx_ioctl,
 679         .ndo_get_stats          = RT28xx_get_ether_stats,
 680         .ndo_validate_addr      = NULL,
 681         .ndo_set_mac_address    = eth_mac_addr,
 682         .ndo_change_mtu         = eth_change_mtu,
 683 #ifdef IKANOS_VX_1X0
 684         .ndo_start_xmit         = IKANOS_DataFramesTx,
 685 #else
 686         .ndo_start_xmit         = rt28xx_send_packets,
 687 #endif
 688 };
 689
 690 /* Must not be called for mdev and apdev */
 691 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 692 {
 693         NDIS_STATUS Status;
 694         INT     i=0;
 695         CHAR    slot_name[IFNAMSIZ];
 696         struct net_device   *device;
 697
 698 #if WIRELESS_EXT >= 12
 699         if (pAd->OpMode == OPMODE_STA)
 700         {
 701                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 702         }
 703 #endif //WIRELESS_EXT >= 12
 704
 705 #if WIRELESS_EXT < 21
 706                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 707 #endif
 708         dev->priv_flags = INT_MAIN;
 709         dev->netdev_ops = &rt2860_netdev_ops;
 710         // find available device name
 711         for (i = 0; i < 8; i++)
 712         {
 713                 sprintf(slot_name, "ra%d", i);
 714
 715                 device = dev_get_by_name(dev_net(dev), slot_name);
 716                 if (device != NULL)
 717                         dev_put(device);
 718
 719                 if (device == NULL)
 720                         break;
 721         }
 722
 723         if(i == 8)
 724         {
 725                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 726                 Status = NDIS_STATUS_FAILURE;
 727         }
 728         else
 729         {
 730                 sprintf(dev->name, "ra%d", i);
 731                 Status = NDIS_STATUS_SUCCESS;
 732         }
 733
 734         return Status;
 735
 736 }
 737
 738 /*
 739 ========================================================================
 740 Routine Description:
 741     Probe RT28XX chipset.
 742
 743 Arguments:
 744     _dev_p                              Point to the PCI or USB device
 745         _dev_id_p                       Point to the PCI or USB device ID
 746
 747 Return Value:
 748     0                                   Probe OK
 749         -ENODEV                         Probe Fail
 750
 751 Note:
 752 ========================================================================
 753 */
 754 INT __devinit   rt28xx_probe(
 755     IN  void *_dev_p,
 756     IN  void *_dev_id_p,
 757         IN  UINT argc,
 758         OUT PRTMP_ADAPTER *ppAd)
 759 {
 760     struct  net_device  *net_dev;
 761     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 762     INT                 status;
 763         PVOID                           handle;
 764 #ifdef RT2860
 765         struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
 766 #endif
 767 #ifdef RT2870
 768         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 769         struct usb_device *dev_p = interface_to_usbdev(intf);
 770
 771         dev_p = usb_get_dev(dev_p);
 772 #endif // RT2870 //
 773
 774     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 775
 776     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 777     if (net_dev == NULL)
 778     {
 779         printk("alloc_netdev failed\n");
 780
 781         goto err_out;
 782     }
 783
 784         netif_stop_queue(net_dev);
 785
 786 /* for supporting Network Manager */
 787 /* Set the sysfs physical device reference for the network logical device
 788  * if set prior to registration will cause a symlink during initialization.
 789  */
 790     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 791
 792         // Allocate RTMP_ADAPTER miniport adapter structure
 793         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 794         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 795
 796         status = RTMPAllocAdapterBlock(handle, &pAd);
 797         if (status != NDIS_STATUS_SUCCESS)
 798                 goto err_out_free_netdev;
 799
 800         net_dev->ml_priv = (PVOID)pAd;
 801     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 802
 803         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 804
 805     pAd->StaCfg.OriDevType = net_dev->type;
 806
 807         // Post config
 808         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 809                 goto err_out_unmap;
 810
 811         pAd->OpMode = OPMODE_STA;
 812
 813         // sample move
 814         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 815                 goto err_out_unmap;
 816
 817     // Register this device
 818     status = register_netdev(net_dev);
 819     if (status)
 820         goto err_out_unmap;
 821
 822     // Set driver data
 823         RT28XX_DRVDATA_SET(_dev_p);
 824
 825         *ppAd = pAd;
 826     return 0; // probe ok
 827
 828
 829         /* --------------------------- ERROR HANDLE --------------------------- */
 830 err_out_unmap:
 831         RTMPFreeAdapter(pAd);
 832         RT28XX_UNMAP();
 833
 834 err_out_free_netdev:
 835         free_netdev(net_dev);
 836
 837 err_out:
 838         RT28XX_PUT_DEVICE(dev_p);
 839
 840         return -ENODEV; /* probe fail */
 841 } /* End of rt28xx_probe */
 842
 843
 844 /*
 845 ========================================================================
 846 Routine Description:
 847     The entry point for Linux kernel sent packet to our driver.
 848
 849 Arguments:
 850     sk_buff *skb                the pointer refer to a sk_buffer.
 851
 852 Return Value:
 853     0
 854
 855 Note:
 856         This function is the entry point of Tx Path for Os delivery packet to
 857         our driver. You only can put OS-depened & STA/AP common handle procedures
 858         in here.
 859 ========================================================================
 860 */
 861 int rt28xx_packet_xmit(struct sk_buff *skb)
 862 {
 863         struct net_device *net_dev = skb->dev;
 864         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 865         int status = NETDEV_TX_OK;
 866         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 867
 868         {
 869                 // Drop send request since we are in monitor mode
 870                 if (MONITOR_ON(pAd))
 871                 {
 872                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 873                         goto done;
 874                 }
 875         }
 876
 877         // EapolStart size is 18
 878         if (skb->len < 14)
 879         {
 880                 //printk("bad packet size: %d\n", pkt->len);
 881                 hex_dump("bad packet", skb->data, skb->len);
 882                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 883                 goto done;
 884         }
 885
 886         RTMP_SET_PACKET_5VT(pPacket, 0);
 887 #ifdef CONFIG_5VT_ENHANCE
 888     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 889                 RTMP_SET_PACKET_5VT(pPacket, 1);
 890     }
 891 #endif
 892
 893         STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 894
 895         status = NETDEV_TX_OK;
 896 done:
 897
 898         return status;
 899 }
 900
 901
 902 /*
 903 ========================================================================
 904 Routine Description:
 905     Send a packet to WLAN.
 906
 907 Arguments:
 908     skb_p           points to our adapter
 909     dev_p           which WLAN network interface
 910
 911 Return Value:
 912     0: transmit successfully
 913     otherwise: transmit fail
 914
 915 Note:
 916 ========================================================================
 917 */
 918 INT rt28xx_send_packets(
 919         IN struct sk_buff               *skb_p,
 920         IN struct net_device    *net_dev)
 921 {
 922     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 923         if (!(net_dev->flags & IFF_UP))
 924         {
 925                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 926                 return NETDEV_TX_OK;
 927         }
 928
 929         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 930         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 931
 932         return rt28xx_packet_xmit(skb_p);
 933
 934 } /* End of MBSS_VirtualIF_PacketSend */
 935
 936
 937
 938
 939 void CfgInitHook(PRTMP_ADAPTER pAd)
 940 {
 941         pAd->bBroadComHT = TRUE;
 942 } /* End of CfgInitHook */
 943
 944
 945 #if WIRELESS_EXT >= 12
 946 // This function will be called when query /proc
 947 struct iw_statistics *rt28xx_get_wireless_stats(
 948     IN struct net_device *net_dev)
 949 {
 950         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 951
 952
 953         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 954
 955         pAd->iw_stats.status = 0; // Status - device dependent for now
 956
 957         // link quality
 958         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 959         if(pAd->iw_stats.qual.qual > 100)
 960                 pAd->iw_stats.qual.qual = 100;
 961
 962         if (pAd->OpMode == OPMODE_STA)
 963                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 964
 965         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 966
 967         pAd->iw_stats.qual.noise += 256 - 143;
 968         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 969 #ifdef IW_QUAL_DBM
 970         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 971 #endif // IW_QUAL_DBM //
 972
 973         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 974         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 975
 976         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
 977         return &pAd->iw_stats;
 978 } /* End of rt28xx_get_wireless_stats */
 979 #endif // WIRELESS_EXT //
 980
 981
 982
 983 void tbtt_tasklet(unsigned long data)
 984 {
 985 #define MAX_TX_IN_TBTT          (16)
 986
 987 }
 988
 989 INT rt28xx_ioctl(
 990         IN      struct net_device       *net_dev,
 991         IN      OUT     struct ifreq    *rq,
 992         IN      INT                                     cmd)
 993 {
 994         VIRTUAL_ADAPTER *pVirtualAd = NULL;
 995         RTMP_ADAPTER    *pAd = NULL;
 996         INT                             ret = 0;
 997
 998         if (net_dev->priv_flags == INT_MAIN)
 999         {
1000                 pAd = net_dev->ml_priv;
1001         }
1002         else
1003         {
1004                 pVirtualAd = net_dev->ml_priv;
1005                 pAd = pVirtualAd->RtmpDev->ml_priv;
1006         }
1007
1008         if (pAd == NULL)
1009         {
1010                 /* if 1st open fail, pAd will be free;
1011                    So the net_dev->ml_priv will be NULL in 2rd open */
1012                 return -ENETDOWN;
1013         }
1014
1015         ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1016
1017         return ret;
1018 }
1019
1020 /*
1021     ========================================================================
1022
1023     Routine Description:
1024         return ethernet statistics counter
1025
1026     Arguments:
1027         net_dev                     Pointer to net_device
1028
1029     Return Value:
1030         net_device_stats*
1031
1032     Note:
1033
1034     ========================================================================
1035 */
1036 struct net_device_stats *RT28xx_get_ether_stats(
1037     IN  struct net_device *net_dev)
1038 {
1039     RTMP_ADAPTER *pAd = NULL;
1040
1041         if (net_dev)
1042                 pAd = net_dev->ml_priv;
1043
1044         if (pAd)
1045         {
1046
1047                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1048                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1049
1050                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1051                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1052
1053                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1054                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1055
1056                 pAd->stats.rx_dropped = 0;
1057                 pAd->stats.tx_dropped = 0;
1058
1059             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1060             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1061
1062             pAd->stats.rx_length_errors = 0;
1063             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1064             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1065             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1066             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1067             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1068
1069             // detailed tx_errors
1070             pAd->stats.tx_aborted_errors = 0;
1071             pAd->stats.tx_carrier_errors = 0;
1072             pAd->stats.tx_fifo_errors = 0;
1073             pAd->stats.tx_heartbeat_errors = 0;
1074             pAd->stats.tx_window_errors = 0;
1075
1076             // for cslip etc
1077             pAd->stats.rx_compressed = 0;
1078             pAd->stats.tx_compressed = 0;
1079
1080                 return &pAd->stats;
1081         }
1082         else
1083         return NULL;
1084 }
1085