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   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27     Module Name:
  28     rt_main_dev.c
  29
  30     Abstract:
  31     Create and register network interface.
  32
  33     Revision History:
  34     Who         When            What
  35     --------    ----------      ----------------------------------------------
  36         Sample          Mar/21/07               Merge RT2870 and RT2860 drivers.
  37 */
  38
  39 #include "rt_config.h"
  40
  41 #define FORTY_MHZ_INTOLERANT_INTERVAL   (60*1000) // 1 min
  42
  43 /*---------------------------------------------------------------------*/
  44 /* Private Variables Used                                              */
  45 /*---------------------------------------------------------------------*/
  46 //static RALINK_TIMER_STRUCT     PeriodicTimer;
  47
  48 char *mac = "";            // default 00:00:00:00:00:00
  49 char *hostname = "";
  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 #ifdef DOT11_N_SUPPORT
  58 extern BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num);
  59 extern void ba_reordering_resource_release(PRTMP_ADAPTER pAd);
  60 #endif // DOT11_N_SUPPORT //
  61 extern NDIS_STATUS NICLoadRateSwitchingParams(IN PRTMP_ADAPTER pAd);
  62
  63
  64 // public function prototype
  65 INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
  66                                                         IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
  67
  68 // private function prototype
  69 static int rt28xx_init(IN struct net_device *net_dev);
  70 INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev);
  71
  72 static void CfgInitHook(PRTMP_ADAPTER pAd);
  73 //static BOOLEAN RT28XXAvailRANameAssign(IN CHAR *name_p);
  74
  75 #ifdef CONFIG_STA_SUPPORT
  76 extern  const struct iw_handler_def rt28xx_iw_handler_def;
  77 #endif // CONFIG_STA_SUPPORT //
  78
  79 #if WIRELESS_EXT >= 12
  80 // This function will be called when query /proc
  81 struct iw_statistics *rt28xx_get_wireless_stats(
  82     IN struct net_device *net_dev);
  83 #endif
  84
  85 struct net_device_stats *RT28xx_get_ether_stats(
  86     IN  struct net_device *net_dev);
  87
  88 /*
  89 ========================================================================
  90 Routine Description:
  91     Close raxx interface.
  92
  93 Arguments:
  94         *net_dev                        the raxx interface pointer
  95
  96 Return Value:
  97     0                                   Open OK
  98         otherwise                       Open Fail
  99
 100 Note:
 101         1. if open fail, kernel will not call the close function.
 102         2. Free memory for
 103                 (1) Mlme Memory Handler:                MlmeHalt()
 104                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 105                 (3) BA Reordering:                              ba_reordering_resource_release()
 106 ========================================================================
 107 */
 108 int MainVirtualIF_close(IN struct net_device *net_dev)
 109 {
 110     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 111
 112         // Sanity check for pAd
 113         if (pAd == NULL)
 114                 return 0; // close ok
 115
 116         netif_carrier_off(pAd->net_dev);
 117         netif_stop_queue(pAd->net_dev);
 118
 119
 120
 121         VIRTUAL_IF_DOWN(pAd);
 122
 123         RT_MOD_DEC_USE_COUNT();
 124
 125         return 0; // close ok
 126 }
 127
 128 /*
 129 ========================================================================
 130 Routine Description:
 131     Open raxx interface.
 132
 133 Arguments:
 134         *net_dev                        the raxx interface pointer
 135
 136 Return Value:
 137     0                                   Open OK
 138         otherwise                       Open Fail
 139
 140 Note:
 141         1. if open fail, kernel will not call the close function.
 142         2. Free memory for
 143                 (1) Mlme Memory Handler:                MlmeHalt()
 144                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 145                 (3) BA Reordering:                              ba_reordering_resource_release()
 146 ========================================================================
 147 */
 148 int MainVirtualIF_open(IN struct net_device *net_dev)
 149 {
 150     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 151
 152         // Sanity check for pAd
 153         if (pAd == NULL)
 154                 return 0; // close ok
 155
 156         if (VIRTUAL_IF_UP(pAd) != 0)
 157                 return -1;
 158
 159         // increase MODULE use count
 160         RT_MOD_INC_USE_COUNT();
 161
 162         netif_start_queue(net_dev);
 163         netif_carrier_on(net_dev);
 164         netif_wake_queue(net_dev);
 165
 166         return 0;
 167 }
 168
 169 /*
 170 ========================================================================
 171 Routine Description:
 172     Close raxx interface.
 173
 174 Arguments:
 175         *net_dev                        the raxx interface pointer
 176
 177 Return Value:
 178     0                                   Open OK
 179         otherwise                       Open Fail
 180
 181 Note:
 182         1. if open fail, kernel will not call the close function.
 183         2. Free memory for
 184                 (1) Mlme Memory Handler:                MlmeHalt()
 185                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 186                 (3) BA Reordering:                              ba_reordering_resource_release()
 187 ========================================================================
 188 */
 189 int rt28xx_close(IN PNET_DEV dev)
 190 {
 191         struct net_device * net_dev = (struct net_device *)dev;
 192     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 193         BOOLEAN                 Cancelled = FALSE;
 194         UINT32                  i = 0;
 195 #ifdef RT2870
 196         DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
 197         DECLARE_WAITQUEUE(wait, current);
 198
 199         //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 200 #endif // RT2870 //
 201
 202
 203     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 204
 205         // Sanity check for pAd
 206         if (pAd == NULL)
 207                 return 0; // close ok
 208
 209
 210 #ifdef CONFIG_STA_SUPPORT
 211         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 212         {
 213
 214                 // If dirver doesn't wake up firmware here,
 215                 // NICLoadFirmware will hang forever when interface is up again.
 216                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
 217         {
 218                     AsicForceWakeup(pAd, TRUE);
 219         }
 220
 221                 if (INFRA_ON(pAd) &&
 222                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 223                 {
 224                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 225                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 226
 227                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 228                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 229
 230                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 231                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 232                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 233                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 234
 235                         // Prevent to connect AP again in STAMlmePeriodicExec
 236                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 237                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 238
 239                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 240                         MlmeDisassocReqAction(pAd, MsgElem);
 241                         kfree(MsgElem);
 242
 243                         RTMPusecDelay(1000);
 244                 }
 245
 246 #ifdef RT2870
 247         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 248 #endif // RT2870 //
 249
 250 #ifdef CCX_SUPPORT
 251                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 252 #endif
 253
 254                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 255                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 256
 257 #ifdef WPA_SUPPLICANT_SUPPORT
 258 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 259                 {
 260                         union iwreq_data    wrqu;
 261                         // send wireless event to wpa_supplicant for infroming interface down.
 262                         memset(&wrqu, 0, sizeof(wrqu));
 263                         wrqu.data.flags = RT_INTERFACE_DOWN;
 264                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 265                 }
 266 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 267 #endif // WPA_SUPPLICANT_SUPPORT //
 268
 269                 MlmeRadioOff(pAd);
 270         }
 271 #endif // CONFIG_STA_SUPPORT //
 272
 273         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 274
 275         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 276         {
 277                 while (pAd->DeQueueRunning[i] == TRUE)
 278                 {
 279                         printk("Waiting for TxQueue[%d] done..........\n", i);
 280                         RTMPusecDelay(1000);
 281                 }
 282         }
 283
 284 #ifdef RT2870
 285         // ensure there are no more active urbs.
 286         add_wait_queue (&unlink_wakeup, &wait);
 287         pAd->wait = &unlink_wakeup;
 288
 289         // maybe wait for deletions to finish.
 290         i = 0;
 291         //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
 292         while(i < 25)
 293         {
 294                 unsigned long IrqFlags;
 295
 296                 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
 297                 if (pAd->PendingRx == 0)
 298                 {
 299                         RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 300                         break;
 301                 }
 302                 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
 303
 304                 msleep(UNLINK_TIMEOUT_MS);      //Time in millisecond
 305                 i++;
 306         }
 307         pAd->wait = NULL;
 308         remove_wait_queue (&unlink_wakeup, &wait);
 309 #endif // RT2870 //
 310
 311         //RTUSBCleanUpMLMEWaitQueue(pAd);       /*not used in RT28xx*/
 312
 313
 314 #ifdef RT2870
 315         // We need clear timerQ related structure before exits of the timer thread.
 316         RT2870_TimerQ_Exit(pAd);
 317         // Close kernel threads or tasklets
 318         RT28xxThreadTerminate(pAd);
 319 #endif // RT2870 //
 320
 321         // Stop Mlme state machine
 322         MlmeHalt(pAd);
 323
 324         // Close kernel threads or tasklets
 325         kill_thread_task(pAd);
 326
 327
 328 #ifdef CONFIG_STA_SUPPORT
 329         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 330         {
 331                 MacTableReset(pAd);
 332         }
 333 #endif // CONFIG_STA_SUPPORT //
 334
 335
 336         MeasureReqTabExit(pAd);
 337         TpcReqTabExit(pAd);
 338
 339
 340
 341
 342         // Free Ring or USB buffers
 343         RTMPFreeTxRxRingMemory(pAd);
 344
 345         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 346
 347 #ifdef DOT11_N_SUPPORT
 348         // Free BA reorder resource
 349         ba_reordering_resource_release(pAd);
 350 #endif // DOT11_N_SUPPORT //
 351
 352 #ifdef RT2870
 353 #ifdef INF_AMAZON_SE
 354         if (pAd->UsbVendorReqBuf)
 355                 os_free_mem(pAd, pAd->UsbVendorReqBuf);
 356 #endif // INF_AMAZON_SE //
 357 #endif // RT2870 //
 358
 359         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 360
 361         return 0; // close ok
 362 } /* End of rt28xx_close */
 363
 364 static int rt28xx_init(IN struct net_device *net_dev)
 365 {
 366         PRTMP_ADAPTER                   pAd = net_dev->ml_priv;
 367         UINT                                    index;
 368         UCHAR                                   TmpPhy;
 369         NDIS_STATUS                             Status;
 370         UINT32          MacCsr0 = 0;
 371
 372 #ifdef RT2870
 373 #ifdef INF_AMAZON_SE
 374         init_MUTEX(&(pAd->UsbVendorReq_semaphore));
 375         os_alloc_mem(pAd, (PUCHAR)&pAd->UsbVendorReqBuf, MAX_PARAM_BUFFER_SIZE - 1);
 376         if (pAd->UsbVendorReqBuf == NULL)
 377         {
 378                 DBGPRINT(RT_DEBUG_ERROR, ("Allocate vendor request temp buffer failed!\n"));
 379                 goto err0;
 380         }
 381 #endif // INF_AMAZON_SE //
 382 #endif // RT2870 //
 383
 384 #ifdef DOT11_N_SUPPORT
 385         // Allocate BA Reordering memory
 386         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 387 #endif // DOT11_N_SUPPORT //
 388
 389         // Make sure MAC gets ready.
 390         index = 0;
 391         do
 392         {
 393                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 394                 pAd->MACVersion = MacCsr0;
 395
 396                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 397                         break;
 398
 399                 RTMPusecDelay(10);
 400         } while (index++ < 100);
 401
 402         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 403
 404         // Disable DMA
 405         RT28XXDMADisable(pAd);
 406
 407
 408         // Load 8051 firmware
 409         Status = NICLoadFirmware(pAd);
 410         if (Status != NDIS_STATUS_SUCCESS)
 411         {
 412                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 413                 goto err1;
 414         }
 415
 416         NICLoadRateSwitchingParams(pAd);
 417
 418         // Disable interrupts here which is as soon as possible
 419         // This statement should never be true. We might consider to remove it later
 420
 421         Status = RTMPAllocTxRxRingMemory(pAd);
 422         if (Status != NDIS_STATUS_SUCCESS)
 423         {
 424                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 425                 goto err1;
 426         }
 427
 428         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 429
 430         // initialize MLME
 431         //
 432
 433         Status = MlmeInit(pAd);
 434         if (Status != NDIS_STATUS_SUCCESS)
 435         {
 436                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 437                 goto err2;
 438         }
 439
 440         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 441         //
 442         UserCfgInit(pAd);
 443
 444 #ifdef RT2870
 445         // We need init timerQ related structure before create the timer thread.
 446         RT2870_TimerQ_Init(pAd);
 447 #endif // RT2870 //
 448
 449         RT28XX_TASK_THREAD_INIT(pAd, Status);
 450         if (Status != NDIS_STATUS_SUCCESS)
 451                 goto err1;
 452
 453 //      COPY_MAC_ADDR(pAd->ApCfg.MBSSID[apidx].Bssid, netif->hwaddr);
 454 //      pAd->bForcePrintTX = TRUE;
 455
 456         CfgInitHook(pAd);
 457
 458 #ifdef CONFIG_STA_SUPPORT
 459         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 460                 NdisAllocateSpinLock(&pAd->MacTabLock);
 461 #endif // CONFIG_STA_SUPPORT //
 462
 463         MeasureReqTabInit(pAd);
 464         TpcReqTabInit(pAd);
 465
 466         //
 467         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 468         //
 469         Status = NICInitializeAdapter(pAd, TRUE);
 470         if (Status != NDIS_STATUS_SUCCESS)
 471         {
 472                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 473                 if (Status != NDIS_STATUS_SUCCESS)
 474                 goto err3;
 475         }
 476
 477         // Read parameters from Config File
 478         Status = RTMPReadParametersHook(pAd);
 479
 480         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 481         if (Status != NDIS_STATUS_SUCCESS)
 482         {
 483                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 484                 goto err4;
 485         }
 486
 487 #ifdef RT2870
 488         pAd->CommonCfg.bMultipleIRP = FALSE;
 489
 490         if (pAd->CommonCfg.bMultipleIRP)
 491                 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
 492         else
 493                 pAd->CommonCfg.NumOfBulkInIRP = 1;
 494 #endif // RT2870 //
 495
 496
 497         //Init Ba Capability parameters.
 498 //      RT28XX_BA_INIT(pAd);
 499 #ifdef DOT11_N_SUPPORT
 500         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 501         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 502         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 503         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 504         // UPdata to HT IE
 505         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 506         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 507         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 508 #endif // DOT11_N_SUPPORT //
 509
 510         // after reading Registry, we now know if in AP mode or STA mode
 511
 512         // Load 8051 firmware; crash when FW image not existent
 513         // Status = NICLoadFirmware(pAd);
 514         // if (Status != NDIS_STATUS_SUCCESS)
 515         //    break;
 516
 517         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 518
 519         // We should read EEPROM for all cases.  rt2860b
 520         NICReadEEPROMParameters(pAd, mac);
 521 #ifdef CONFIG_STA_SUPPORT
 522 #endif // CONFIG_STA_SUPPORT //
 523
 524         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 525
 526         NICInitAsicFromEEPROM(pAd); //rt2860b
 527
 528         // Set PHY to appropriate mode
 529         TmpPhy = pAd->CommonCfg.PhyMode;
 530         pAd->CommonCfg.PhyMode = 0xff;
 531         RTMPSetPhyMode(pAd, TmpPhy);
 532 #ifdef DOT11_N_SUPPORT
 533         SetCommonHT(pAd);
 534 #endif // DOT11_N_SUPPORT //
 535
 536         // No valid channels.
 537         if (pAd->ChannelListNum == 0)
 538         {
 539                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 540                 goto err4;
 541         }
 542
 543 #ifdef DOT11_N_SUPPORT
 544         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 545            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 546            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 547 #endif // DOT11_N_SUPPORT //
 548
 549 #ifdef RT2870
 550     //Init RT30xx RFRegisters after read RFIC type from EEPROM
 551         NICInitRT30xxRFRegisters(pAd);
 552 #endif // RT2870 //
 553
 554 #if 0
 555         // Patch cardbus controller if EEPROM said so.
 556         if (pAd->bTest1 == FALSE)
 557                 RTMPPatchCardBus(pAd);
 558 #endif
 559
 560
 561 //              APInitialize(pAd);
 562
 563 #ifdef IKANOS_VX_1X0
 564         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 565 #endif // IKANOS_VX_1X0 //
 566
 567                 //
 568         // Initialize RF register to default value
 569         //
 570         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 571         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 572
 573         // 8051 firmware require the signal during booting time.
 574         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 575
 576         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 577         {
 578                 //
 579                 // Undo everything if it failed
 580                 //
 581                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 582                 {
 583 //                      NdisMDeregisterInterrupt(&pAd->Interrupt);
 584                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 585                 }
 586 //              RTMPFreeAdapter(pAd); // we will free it in disconnect()
 587         }
 588         else if (pAd)
 589         {
 590                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 591                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 592 //              pAd->IndicateMediaState = NdisMediaStateDisconnected;
 593                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 594
 595                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 596
 597
 598 #ifdef RT2870
 599                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
 600                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
 601
 602                 //
 603                 // Support multiple BulkIn IRP,
 604                 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
 605                 //
 606                 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
 607                 {
 608                         RTUSBBulkReceive(pAd);
 609                         DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
 610                 }
 611 #endif // RT2870 //
 612         }// end of else
 613
 614
 615         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 616
 617         return TRUE;
 618
 619
 620 err4:
 621 err3:
 622         MlmeHalt(pAd);
 623 err2:
 624         RTMPFreeTxRxRingMemory(pAd);
 625 //      RTMPFreeAdapter(pAd);
 626 err1:
 627
 628 #ifdef DOT11_N_SUPPORT
 629         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 630 #endif // DOT11_N_SUPPORT //
 631         RT28XX_IRQ_RELEASE(net_dev);
 632
 633         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 634         //net_dev->ml_priv = 0;
 635 #ifdef INF_AMAZON_SE
 636 err0:
 637 #endif // INF_AMAZON_SE //
 638         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 639         return FALSE;
 640 } /* End of rt28xx_init */
 641
 642
 643 /*
 644 ========================================================================
 645 Routine Description:
 646     Open raxx interface.
 647
 648 Arguments:
 649         *net_dev                        the raxx interface pointer
 650
 651 Return Value:
 652     0                                   Open OK
 653         otherwise                       Open Fail
 654
 655 Note:
 656 ========================================================================
 657 */
 658 int rt28xx_open(IN PNET_DEV dev)
 659 {
 660         struct net_device * net_dev = (struct net_device *)dev;
 661         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 662         int retval = 0;
 663         POS_COOKIE pObj;
 664
 665
 666         // Sanity check for pAd
 667         if (pAd == NULL)
 668         {
 669                 /* if 1st open fail, pAd will be free;
 670                    So the net_dev->ml_priv will be NULL in 2rd open */
 671                 return -1;
 672         }
 673
 674 #ifdef CONFIG_STA_SUPPORT
 675 #endif // CONFIG_STA_SUPPORT //
 676
 677         // Init
 678         pObj = (POS_COOKIE)pAd->OS_Cookie;
 679
 680         // reset Adapter flags
 681         RTMP_CLEAR_FLAGS(pAd);
 682
 683         // Request interrupt service routine for PCI device
 684         // register the interrupt routine with the os
 685         RT28XX_IRQ_REQUEST(net_dev);
 686
 687
 688         // Init BssTab & ChannelInfo tabbles for auto channel select.
 689
 690
 691         // Chip & other init
 692         if (rt28xx_init(net_dev) == FALSE)
 693                 goto err;
 694
 695 #ifdef CONFIG_STA_SUPPORT
 696         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 697         {
 698                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 699                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 700         }
 701 #endif // CONFIG_STA_SUPPORT //
 702
 703         // Set up the Mac address
 704         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 705
 706         // Init IRQ parameters
 707         RT28XX_IRQ_INIT(pAd);
 708
 709         // Various AP function init
 710
 711 #ifdef CONFIG_STA_SUPPORT
 712         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 713         {
 714 #ifdef WPA_SUPPLICANT_SUPPORT
 715 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 716                 {
 717                         union iwreq_data    wrqu;
 718                         // send wireless event to wpa_supplicant for infroming interface down.
 719                         memset(&wrqu, 0, sizeof(wrqu));
 720                         wrqu.data.flags = RT_INTERFACE_UP;
 721                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 722                 }
 723 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 724 #endif // WPA_SUPPLICANT_SUPPORT //
 725
 726         }
 727 #endif // CONFIG_STA_SUPPORT //
 728
 729         // Enable Interrupt
 730         RT28XX_IRQ_ENABLE(pAd);
 731
 732         // Now Enable RxTx
 733         RTMPEnableRxTx(pAd);
 734         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 735
 736         {
 737         UINT32 reg = 0;
 738         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 739         printk("0x1300 = %08x\n", reg);
 740         }
 741
 742         {
 743 //      u32 reg;
 744 //      u8  byte;
 745 //      u16 tmp;
 746
 747 //      RTMP_IO_READ32(pAd, XIFS_TIME_CFG, &reg);
 748
 749 //      tmp = 0x0805;
 750 //      reg  = (reg & 0xffff0000) | tmp;
 751 //      RTMP_IO_WRITE32(pAd, XIFS_TIME_CFG, reg);
 752
 753         }
 754
 755 #if 0
 756         /*
 757          * debugging helper
 758          *              show the size of main table in Adapter structure
 759          *              MacTab  -- 185K
 760          *              BATable -- 137K
 761          *              Total   -- 385K  !!!!! (5/26/2006)
 762          */
 763         printk("sizeof(pAd->MacTab) = %ld\n", sizeof(pAd->MacTab));
 764         printk("sizeof(pAd->AccessControlList) = %ld\n", sizeof(pAd->AccessControlList));
 765         printk("sizeof(pAd->ApCfg) = %ld\n", sizeof(pAd->ApCfg));
 766         printk("sizeof(pAd->BATable) = %ld\n", sizeof(pAd->BATable));
 767         BUG();
 768 #endif
 769
 770 #ifdef CONFIG_STA_SUPPORT
 771 #endif // CONFIG_STA_SUPPORT //
 772
 773         return (retval);
 774
 775 err:
 776         return (-1);
 777 } /* End of rt28xx_open */
 778
 779 static const struct net_device_ops rt2870_netdev_ops = {
 780         .ndo_open               = MainVirtualIF_open,
 781         .ndo_stop               = MainVirtualIF_close,
 782         .ndo_do_ioctl           = rt28xx_ioctl,
 783         .ndo_get_stats          = RT28xx_get_ether_stats,
 784         .ndo_validate_addr      = NULL,
 785         .ndo_set_mac_address    = eth_mac_addr,
 786         .ndo_change_mtu         = eth_change_mtu,
 787 #ifdef IKANOS_VX_1X0
 788         .ndo_start_xmit         = IKANOS_DataFramesTx,
 789 #else
 790         .ndo_start_xmit         = rt28xx_send_packets,
 791 #endif
 792 };
 793
 794 /* Must not be called for mdev and apdev */
 795 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 796 {
 797         NDIS_STATUS Status;
 798         INT     i=0;
 799         CHAR    slot_name[IFNAMSIZ];
 800         struct net_device   *device;
 801
 802
 803         //ether_setup(dev);
 804 //      dev->set_multicast_list = ieee80211_set_multicast_list;
 805 //      dev->change_mtu = ieee80211_change_mtu;
 806 #ifdef CONFIG_STA_SUPPORT
 807 #if WIRELESS_EXT >= 12
 808         if (pAd->OpMode == OPMODE_STA)
 809         {
 810                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 811         }
 812 #endif //WIRELESS_EXT >= 12
 813 #endif // CONFIG_STA_SUPPORT //
 814
 815 #if WIRELESS_EXT < 21
 816                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 817 #endif
 818 //      dev->uninit = ieee80211_if_reinit;
 819 //      dev->destructor = ieee80211_if_free;
 820         dev->priv_flags = INT_MAIN;
 821         dev->netdev_ops = &rt2870_netdev_ops;
 822         // find available device name
 823         for (i = 0; i < 8; i++)
 824         {
 825                 sprintf(slot_name, "ra%d", i);
 826
 827                 device = dev_get_by_name(dev_net(dev), slot_name);
 828                 if (device != NULL)
 829                         dev_put(device);
 830
 831                 if (device == NULL)
 832                         break;
 833         }
 834
 835         if(i == 8)
 836         {
 837                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 838                 Status = NDIS_STATUS_FAILURE;
 839         }
 840         else
 841         {
 842                 sprintf(dev->name, "ra%d", i);
 843                 Status = NDIS_STATUS_SUCCESS;
 844         }
 845
 846         return Status;
 847
 848 }
 849
 850 /*
 851 ========================================================================
 852 Routine Description:
 853     Probe RT28XX chipset.
 854
 855 Arguments:
 856     _dev_p                              Point to the PCI or USB device
 857         _dev_id_p                       Point to the PCI or USB device ID
 858
 859 Return Value:
 860     0                                   Probe OK
 861         -ENODEV                         Probe Fail
 862
 863 Note:
 864 ========================================================================
 865 */
 866 INT __devinit   rt28xx_probe(
 867     IN  void *_dev_p,
 868     IN  void *_dev_id_p,
 869         IN  UINT argc,
 870         OUT PRTMP_ADAPTER *ppAd)
 871 {
 872     struct  net_device  *net_dev;
 873     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 874     INT                 status;
 875         PVOID                           handle;
 876 #ifdef RT2870
 877         struct usb_interface *intf = (struct usb_interface *)_dev_p;
 878         struct usb_device *dev_p = interface_to_usbdev(intf);
 879
 880         dev_p = usb_get_dev(dev_p);
 881 #endif // RT2870 //
 882
 883
 884 #ifdef CONFIG_STA_SUPPORT
 885     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 886 #endif // CONFIG_STA_SUPPORT //
 887
 888         // Check chipset vendor/product ID
 889 //      if (RT28XXChipsetCheck(_dev_p) == FALSE)
 890 //              goto err_out;
 891
 892     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 893     if (net_dev == NULL)
 894     {
 895         printk("alloc_netdev failed\n");
 896
 897         goto err_out;
 898     }
 899
 900 // sample
 901 //      if (rt_ieee80211_if_setup(net_dev) != NDIS_STATUS_SUCCESS)
 902 //              goto err_out;
 903
 904         netif_stop_queue(net_dev);
 905 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
 906 /* for supporting Network Manager */
 907 /* Set the sysfs physical device reference for the network logical device
 908  * if set prior to registration will cause a symlink during initialization.
 909  */
 910     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 911 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 912
 913         // Allocate RTMP_ADAPTER miniport adapter structure
 914         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 915         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 916
 917         status = RTMPAllocAdapterBlock(handle, &pAd);
 918         if (status != NDIS_STATUS_SUCCESS)
 919                 goto err_out_free_netdev;
 920
 921         net_dev->ml_priv = (PVOID)pAd;
 922     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 923
 924         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 925
 926 #ifdef CONFIG_STA_SUPPORT
 927     pAd->StaCfg.OriDevType = net_dev->type;
 928 #endif // CONFIG_STA_SUPPORT //
 929
 930         // Find and assign a free interface name, raxx
 931 //      RT28XXAvailRANameAssign(net_dev->name);
 932
 933         // Post config
 934         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 935                 goto err_out_unmap;
 936
 937 #ifdef CONFIG_STA_SUPPORT
 938         pAd->OpMode = OPMODE_STA;
 939 #endif // CONFIG_STA_SUPPORT //
 940
 941         // sample move
 942         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 943                 goto err_out_unmap;
 944
 945     // Register this device
 946     status = register_netdev(net_dev);
 947     if (status)
 948         goto err_out_unmap;
 949
 950     // Set driver data
 951         RT28XX_DRVDATA_SET(_dev_p);
 952
 953
 954
 955         *ppAd = pAd;
 956     return 0; // probe ok
 957
 958
 959         /* --------------------------- ERROR HANDLE --------------------------- */
 960 err_out_unmap:
 961         RTMPFreeAdapter(pAd);
 962         RT28XX_UNMAP();
 963
 964 err_out_free_netdev:
 965         free_netdev(net_dev);
 966
 967 err_out:
 968         RT28XX_PUT_DEVICE(dev_p);
 969
 970         return -ENODEV; /* probe fail */
 971 } /* End of rt28xx_probe */
 972
 973
 974 /*
 975 ========================================================================
 976 Routine Description:
 977     The entry point for Linux kernel sent packet to our driver.
 978
 979 Arguments:
 980     sk_buff *skb                the pointer refer to a sk_buffer.
 981
 982 Return Value:
 983     0
 984
 985 Note:
 986         This function is the entry point of Tx Path for Os delivery packet to
 987         our driver. You only can put OS-depened & STA/AP common handle procedures
 988         in here.
 989 ========================================================================
 990 */
 991 int rt28xx_packet_xmit(struct sk_buff *skb)
 992 {
 993         struct net_device *net_dev = skb->dev;
 994         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 995         int status = 0;
 996         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 997
 998 #ifdef CONFIG_STA_SUPPORT
 999         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1000         {
1001                 // Drop send request since we are in monitor mode
1002                 if (MONITOR_ON(pAd))
1003                 {
1004                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
1005                         goto done;
1006                 }
1007         }
1008 #endif // CONFIG_STA_SUPPORT //
1009
1010         // EapolStart size is 18
1011         if (skb->len < 14)
1012         {
1013                 //printk("bad packet size: %d\n", pkt->len);
1014                 hex_dump("bad packet", skb->data, skb->len);
1015                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
1016                 goto done;
1017         }
1018
1019 #if 0
1020 //      if ((pkt->data[0] & 0x1) == 0)
1021         {
1022                 //hex_dump(__func__, pkt->data, pkt->len);
1023                 printk("pPacket = %x\n", pPacket);
1024         }
1025 #endif
1026
1027         RTMP_SET_PACKET_5VT(pPacket, 0);
1028 //      MiniportMMRequest(pAd, pkt->data, pkt->len);
1029 #ifdef CONFIG_5VT_ENHANCE
1030     if (*(int*)(skb->cb) == BRIDGE_TAG) {
1031                 RTMP_SET_PACKET_5VT(pPacket, 1);
1032     }
1033 #endif
1034
1035
1036
1037 #ifdef CONFIG_STA_SUPPORT
1038         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1039         {
1040
1041                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
1042         }
1043
1044 #endif // CONFIG_STA_SUPPORT //
1045
1046         status = 0;
1047 done:
1048
1049         return status;
1050 }
1051
1052
1053 /*
1054 ========================================================================
1055 Routine Description:
1056     Send a packet to WLAN.
1057
1058 Arguments:
1059     skb_p           points to our adapter
1060     dev_p           which WLAN network interface
1061
1062 Return Value:
1063     0: transmit successfully
1064     otherwise: transmit fail
1065
1066 Note:
1067 ========================================================================
1068 */
1069 INT rt28xx_send_packets(
1070         IN struct sk_buff               *skb_p,
1071         IN struct net_device    *net_dev)
1072 {
1073     RTMP_ADAPTER *pAd = net_dev->ml_priv;
1074
1075         if (!(net_dev->flags & IFF_UP))
1076         {
1077                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
1078                 return 0;
1079         }
1080
1081         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
1082         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
1083
1084         return rt28xx_packet_xmit(skb_p);
1085 } /* End of MBSS_VirtualIF_PacketSend */
1086
1087
1088
1089
1090 void CfgInitHook(PRTMP_ADAPTER pAd)
1091 {
1092         pAd->bBroadComHT = TRUE;
1093 } /* End of CfgInitHook */
1094
1095
1096 #if 0   // Not used now, should keep it in our source tree??
1097 /*
1098 ========================================================================
1099 Routine Description:
1100     Find and assign a free interface name (raxx).
1101
1102 Arguments:
1103     *name_p                             the interface name pointer
1104
1105 Return Value:
1106         TRUE                            OK
1107         FALSE                           FAIL
1108
1109 Note:
1110 ========================================================================
1111 */
1112 static BOOLEAN RT28XXAvailRANameAssign(
1113         IN CHAR                 *name_p)
1114 {
1115     CHAR                                slot_name[IFNAMSIZ];
1116     struct net_device   *device;
1117         UINT32                          if_id;
1118
1119
1120     for(if_id=0; if_id<8; if_id++)
1121     {
1122         sprintf(slot_name, "ra%d", if_id);
1123
1124         for(device=dev_base; device!=NULL; device=device->next)
1125         {
1126             if (strncmp(device->name, slot_name, 4) == 0)
1127                 break;
1128         }
1129
1130         if (device == NULL)
1131                         break;
1132     }
1133
1134     if (if_id == 8)
1135     {
1136         DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
1137         return FALSE;
1138     }
1139
1140     sprintf(name_p, "ra%d", if_id);
1141         return TRUE;
1142 } /* End of RT28XXAvailRANameAssign */
1143 #endif
1144
1145 #if WIRELESS_EXT >= 12
1146 // This function will be called when query /proc
1147 struct iw_statistics *rt28xx_get_wireless_stats(
1148     IN struct net_device *net_dev)
1149 {
1150         PRTMP_ADAPTER pAd = net_dev->ml_priv;
1151
1152
1153         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
1154
1155         pAd->iw_stats.status = 0; // Status - device dependent for now
1156
1157         // link quality
1158         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
1159         if(pAd->iw_stats.qual.qual > 100)
1160                 pAd->iw_stats.qual.qual = 100;
1161
1162 #ifdef CONFIG_STA_SUPPORT
1163         if (pAd->OpMode == OPMODE_STA)
1164                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
1165 #endif // CONFIG_STA_SUPPORT //
1166
1167         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
1168
1169         pAd->iw_stats.qual.noise += 256 - 143;
1170         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
1171 #ifdef IW_QUAL_DBM
1172         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
1173 #endif // IW_QUAL_DBM //
1174
1175         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
1176         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
1177
1178         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
1179         return &pAd->iw_stats;
1180 } /* End of rt28xx_get_wireless_stats */
1181 #endif // WIRELESS_EXT //
1182
1183
1184
1185 void tbtt_tasklet(unsigned long data)
1186 {
1187 #define MAX_TX_IN_TBTT          (16)
1188
1189 }
1190
1191 INT rt28xx_ioctl(
1192         IN      struct net_device       *net_dev,
1193         IN      OUT     struct ifreq    *rq,
1194         IN      INT                                     cmd)
1195 {
1196         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1197         RTMP_ADAPTER    *pAd = NULL;
1198         INT                             ret = 0;
1199
1200         if (net_dev->priv_flags == INT_MAIN)
1201         {
1202                 pAd = net_dev->ml_priv;
1203         }
1204         else
1205         {
1206                 pVirtualAd = net_dev->ml_priv;
1207                 pAd = pVirtualAd->RtmpDev->ml_priv;
1208         }
1209
1210         if (pAd == NULL)
1211         {
1212                 /* if 1st open fail, pAd will be free;
1213                    So the net_dev->ml_priv will be NULL in 2rd open */
1214                 return -ENETDOWN;
1215         }
1216
1217
1218 #ifdef CONFIG_STA_SUPPORT
1219         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1220         {
1221                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1222         }
1223 #endif // CONFIG_STA_SUPPORT //
1224
1225         return ret;
1226 }
1227
1228 /*
1229     ========================================================================
1230
1231     Routine Description:
1232         return ethernet statistics counter
1233
1234     Arguments:
1235         net_dev                     Pointer to net_device
1236
1237     Return Value:
1238         net_device_stats*
1239
1240     Note:
1241
1242     ========================================================================
1243 */
1244 struct net_device_stats *RT28xx_get_ether_stats(
1245     IN  struct net_device *net_dev)
1246 {
1247     RTMP_ADAPTER *pAd = NULL;
1248
1249         if (net_dev)
1250                 pAd = net_dev->ml_priv;
1251
1252         if (pAd)
1253         {
1254
1255                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1256                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1257
1258                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1259                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1260
1261                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1262                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1263
1264                 pAd->stats.rx_dropped = 0;
1265                 pAd->stats.tx_dropped = 0;
1266
1267             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1268             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1269
1270             pAd->stats.rx_length_errors = 0;
1271             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1272             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1273             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1274             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1275             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1276
1277             // detailed tx_errors
1278             pAd->stats.tx_aborted_errors = 0;
1279             pAd->stats.tx_carrier_errors = 0;
1280             pAd->stats.tx_fifo_errors = 0;
1281             pAd->stats.tx_heartbeat_errors = 0;
1282             pAd->stats.tx_window_errors = 0;
1283
1284             // for cslip etc
1285             pAd->stats.rx_compressed = 0;
1286             pAd->stats.tx_compressed = 0;
1287
1288                 return &pAd->stats;
1289         }
1290         else
1291         return NULL;
1292 }
1293