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 #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 extern void init_thread_task(PRTMP_ADAPTER pAd);
  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 #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         VIRTUAL_IF_DOWN(pAd);
 121
 122         RT_MOD_DEC_USE_COUNT();
 123
 124         return 0; // close ok
 125 }
 126
 127 /*
 128 ========================================================================
 129 Routine Description:
 130     Open raxx interface.
 131
 132 Arguments:
 133         *net_dev                        the raxx interface pointer
 134
 135 Return Value:
 136     0                                   Open OK
 137         otherwise                       Open Fail
 138
 139 Note:
 140         1. if open fail, kernel will not call the close function.
 141         2. Free memory for
 142                 (1) Mlme Memory Handler:                MlmeHalt()
 143                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 144                 (3) BA Reordering:                              ba_reordering_resource_release()
 145 ========================================================================
 146 */
 147 int MainVirtualIF_open(IN struct net_device *net_dev)
 148 {
 149     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 150
 151         // Sanity check for pAd
 152         if (pAd == NULL)
 153                 return 0; // close ok
 154
 155         if (VIRTUAL_IF_UP(pAd) != 0)
 156                 return -1;
 157
 158         // increase MODULE use count
 159         RT_MOD_INC_USE_COUNT();
 160
 161         netif_start_queue(net_dev);
 162         netif_carrier_on(net_dev);
 163         netif_wake_queue(net_dev);
 164
 165         return 0;
 166 }
 167
 168 /*
 169 ========================================================================
 170 Routine Description:
 171     Close raxx interface.
 172
 173 Arguments:
 174         *net_dev                        the raxx interface pointer
 175
 176 Return Value:
 177     0                                   Open OK
 178         otherwise                       Open Fail
 179
 180 Note:
 181         1. if open fail, kernel will not call the close function.
 182         2. Free memory for
 183                 (1) Mlme Memory Handler:                MlmeHalt()
 184                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 185                 (3) BA Reordering:                              ba_reordering_resource_release()
 186 ========================================================================
 187 */
 188 int rt28xx_close(IN PNET_DEV dev)
 189 {
 190         struct net_device * net_dev = (struct net_device *)dev;
 191     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 192         BOOLEAN                 Cancelled = FALSE;
 193         UINT32                  i = 0;
 194
 195
 196     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 197
 198         // Sanity check for pAd
 199         if (pAd == NULL)
 200                 return 0; // close ok
 201
 202 #ifdef CONFIG_STA_SUPPORT
 203         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 204         {
 205                 // If dirver doesn't wake up firmware here,
 206                 // NICLoadFirmware will hang forever when interface is up again.
 207                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
 208                         RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
 209                         RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
 210         {
 211                     AsicForceWakeup(pAd, RTMP_HALT);
 212         }
 213
 214 #ifdef QOS_DLS_SUPPORT
 215                 // send DLS-TEAR_DOWN message,
 216                 if (pAd->CommonCfg.bDLSCapable)
 217                 {
 218                         UCHAR i;
 219
 220                         // tear down local dls table entry
 221                         for (i=0; i<MAX_NUM_OF_INIT_DLS_ENTRY; i++)
 222                         {
 223                                 if (pAd->StaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH))
 224                                 {
 225                                         RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr);
 226                                         pAd->StaCfg.DLSEntry[i].Status  = DLS_NONE;
 227                                         pAd->StaCfg.DLSEntry[i].Valid   = FALSE;
 228                                 }
 229                         }
 230
 231                         // tear down peer dls table entry
 232                         for (i=MAX_NUM_OF_INIT_DLS_ENTRY; i<MAX_NUM_OF_DLS_ENTRY; i++)
 233                         {
 234                                 if (pAd->StaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH))
 235                                 {
 236                                         RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr);
 237                                         pAd->StaCfg.DLSEntry[i].Status = DLS_NONE;
 238                                         pAd->StaCfg.DLSEntry[i].Valid   = FALSE;
 239                                 }
 240                         }
 241                         RT28XX_MLME_HANDLER(pAd);
 242                 }
 243 #endif // QOS_DLS_SUPPORT //
 244
 245                 if (INFRA_ON(pAd) &&
 246                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 247                 {
 248                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 249                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 250
 251                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 252                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 253
 254                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 255                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 256                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 257                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 258
 259                         // Prevent to connect AP again in STAMlmePeriodicExec
 260                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 261                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 262
 263                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 264                         MlmeDisassocReqAction(pAd, MsgElem);
 265                         kfree(MsgElem);
 266
 267                         RTMPusecDelay(1000);
 268                 }
 269
 270
 271 #ifdef CCX_SUPPORT
 272                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 273 #endif
 274
 275                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 276                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 277
 278 #ifdef WPA_SUPPLICANT_SUPPORT
 279 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 280                 {
 281                         union iwreq_data    wrqu;
 282                         // send wireless event to wpa_supplicant for infroming interface down.
 283                         memset(&wrqu, 0, sizeof(wrqu));
 284                         wrqu.data.flags = RT_INTERFACE_DOWN;
 285                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 286                 }
 287 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 288 #endif // WPA_SUPPLICANT_SUPPORT //
 289
 290                 MlmeRadioOff(pAd);
 291                 pAd->bPCIclkOff = FALSE;
 292         }
 293 #endif // CONFIG_STA_SUPPORT //
 294
 295         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 296
 297         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 298         {
 299                 while (pAd->DeQueueRunning[i] == TRUE)
 300                 {
 301                         printk("Waiting for TxQueue[%d] done..........\n", i);
 302                         RTMPusecDelay(1000);
 303                 }
 304         }
 305
 306         // Stop Mlme state machine
 307         MlmeHalt(pAd);
 308
 309         // Close kernel threads or tasklets
 310         kill_thread_task(pAd);
 311
 312
 313 #ifdef CONFIG_STA_SUPPORT
 314         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 315         {
 316                 MacTableReset(pAd);
 317         }
 318 #endif // CONFIG_STA_SUPPORT //
 319
 320
 321         MeasureReqTabExit(pAd);
 322         TpcReqTabExit(pAd);
 323
 324
 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
 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
 353         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 354
 355         return 0; // close ok
 356 } /* End of rt28xx_close */
 357
 358 static int rt28xx_init(IN struct net_device *net_dev)
 359 {
 360         PRTMP_ADAPTER                   pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
 361         UINT                                    index;
 362         UCHAR                                   TmpPhy;
 363         NDIS_STATUS                             Status;
 364         UINT32          MacCsr0 = 0;
 365
 366
 367 #ifdef DOT11_N_SUPPORT
 368         // Allocate BA Reordering memory
 369         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 370 #endif // DOT11_N_SUPPORT //
 371
 372         // Make sure MAC gets ready.
 373         index = 0;
 374         do
 375         {
 376                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 377                 pAd->MACVersion = MacCsr0;
 378
 379                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 380                         break;
 381
 382                 RTMPusecDelay(10);
 383         } while (index++ < 100);
 384
 385         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 386
 387         // Disable DMA
 388         RT28XXDMADisable(pAd);
 389
 390
 391         // Load 8051 firmware
 392         Status = NICLoadFirmware(pAd);
 393         if (Status != NDIS_STATUS_SUCCESS)
 394         {
 395                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 396                 goto err1;
 397         }
 398
 399         NICLoadRateSwitchingParams(pAd);
 400
 401         // Disable interrupts here which is as soon as possible
 402         // This statement should never be true. We might consider to remove it later
 403         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 404         {
 405                 NICDisableInterrupt(pAd);
 406         }
 407
 408         Status = RTMPAllocTxRxRingMemory(pAd);
 409         if (Status != NDIS_STATUS_SUCCESS)
 410         {
 411                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 412                 goto err1;
 413         }
 414
 415         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 416
 417         // initialize MLME
 418         //
 419
 420         Status = MlmeInit(pAd);
 421         if (Status != NDIS_STATUS_SUCCESS)
 422         {
 423                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 424                 goto err2;
 425         }
 426
 427         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 428         //
 429         UserCfgInit(pAd);
 430
 431
 432         RT28XX_TASK_THREAD_INIT(pAd, Status);
 433         if (Status != NDIS_STATUS_SUCCESS)
 434                 goto err1;
 435
 436         CfgInitHook(pAd);
 437
 438 #ifdef CONFIG_STA_SUPPORT
 439         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 440                 NdisAllocateSpinLock(&pAd->MacTabLock);
 441 #endif // CONFIG_STA_SUPPORT //
 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
 468
 469         //Init Ba Capability parameters.
 470 #ifdef DOT11_N_SUPPORT
 471         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 472         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 473         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 474         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 475         // UPdata to HT IE
 476         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 477         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 478         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 479 #endif // DOT11_N_SUPPORT //
 480
 481         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 482
 483         // We should read EEPROM for all cases.  rt2860b
 484         NICReadEEPROMParameters(pAd, mac);
 485
 486         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 487
 488         NICInitAsicFromEEPROM(pAd); //rt2860b
 489
 490         // Set PHY to appropriate mode
 491         TmpPhy = pAd->CommonCfg.PhyMode;
 492         pAd->CommonCfg.PhyMode = 0xff;
 493         RTMPSetPhyMode(pAd, TmpPhy);
 494 #ifdef DOT11_N_SUPPORT
 495         SetCommonHT(pAd);
 496 #endif // DOT11_N_SUPPORT //
 497
 498         // No valid channels.
 499         if (pAd->ChannelListNum == 0)
 500         {
 501                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 502                 goto err4;
 503         }
 504
 505 #ifdef DOT11_N_SUPPORT
 506         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 507            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 508            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 509 #endif // DOT11_N_SUPPORT //
 510
 511 #ifdef IKANOS_VX_1X0
 512         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 513 #endif // IKANOS_VX_1X0 //
 514
 515                 //
 516         // Initialize RF register to default value
 517         //
 518         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 519         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 520
 521         // 8051 firmware require the signal during booting time.
 522         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 523
 524         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 525         {
 526                 //
 527                 // Undo everything if it failed
 528                 //
 529                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 530                 {
 531                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 532                 }
 533         }
 534         else if (pAd)
 535         {
 536                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 537                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 538                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 539                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 540
 541
 542         }// end of else
 543
 544
 545         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 546
 547         return TRUE;
 548
 549
 550 err4:
 551 err3:
 552         MlmeHalt(pAd);
 553 err2:
 554         RTMPFreeTxRxRingMemory(pAd);
 555 err1:
 556
 557 #ifdef DOT11_N_SUPPORT
 558         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 559 #endif // DOT11_N_SUPPORT //
 560         RT28XX_IRQ_RELEASE(net_dev);
 561
 562         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 563         //net_dev->ml_priv = 0;
 564 #ifdef INF_AMAZON_SE
 565 err0:
 566 #endif // INF_AMAZON_SE //
 567         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 568         return FALSE;
 569 } /* End of rt28xx_init */
 570
 571
 572 /*
 573 ========================================================================
 574 Routine Description:
 575     Open raxx interface.
 576
 577 Arguments:
 578         *net_dev                        the raxx interface pointer
 579
 580 Return Value:
 581     0                                   Open OK
 582         otherwise                       Open Fail
 583
 584 Note:
 585 ========================================================================
 586 */
 587 int rt28xx_open(IN PNET_DEV dev)
 588 {
 589         struct net_device * net_dev = (struct net_device *)dev;
 590         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 591         int retval = 0;
 592         POS_COOKIE pObj;
 593
 594
 595         // Sanity check for pAd
 596         if (pAd == NULL)
 597         {
 598                 /* if 1st open fail, pAd will be free;
 599                    So the net_dev->ml_priv will be NULL in 2rd open */
 600                 return -1;
 601         }
 602
 603         // Init
 604         pObj = (POS_COOKIE)pAd->OS_Cookie;
 605
 606         // reset Adapter flags
 607         RTMP_CLEAR_FLAGS(pAd);
 608
 609         // Request interrupt service routine for PCI device
 610         // register the interrupt routine with the os
 611         RT28XX_IRQ_REQUEST(net_dev);
 612
 613
 614         // Init BssTab & ChannelInfo tabbles for auto channel select.
 615
 616
 617         // Chip & other init
 618         if (rt28xx_init(net_dev) == FALSE)
 619                 goto err;
 620
 621 #ifdef CONFIG_STA_SUPPORT
 622         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 623         {
 624                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 625                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 626         }
 627 #endif // CONFIG_STA_SUPPORT //
 628
 629         // Set up the Mac address
 630         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 631
 632         // Init IRQ parameters
 633         RT28XX_IRQ_INIT(pAd);
 634
 635         // Various AP function init
 636
 637 #ifdef CONFIG_STA_SUPPORT
 638         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 639         {
 640 #ifdef WPA_SUPPLICANT_SUPPORT
 641 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 642                 {
 643                         union iwreq_data    wrqu;
 644                         // send wireless event to wpa_supplicant for infroming interface down.
 645                         memset(&wrqu, 0, sizeof(wrqu));
 646                         wrqu.data.flags = RT_INTERFACE_UP;
 647                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 648                 }
 649 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 650 #endif // WPA_SUPPLICANT_SUPPORT //
 651
 652         }
 653 #endif // CONFIG_STA_SUPPORT //
 654
 655         // Enable Interrupt
 656         RT28XX_IRQ_ENABLE(pAd);
 657
 658         // Now Enable RxTx
 659         RTMPEnableRxTx(pAd);
 660         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 661
 662         {
 663         UINT32 reg = 0;
 664         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 665         printk("0x1300 = %08x\n", reg);
 666         }
 667
 668 #ifdef CONFIG_STA_SUPPORT
 669         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 670         RTMPInitPCIeLinkCtrlValue(pAd);
 671 #endif // CONFIG_STA_SUPPORT //
 672
 673         return (retval);
 674
 675 err:
 676         return (-1);
 677 } /* End of rt28xx_open */
 678
 679 static const struct net_device_ops rt2860_netdev_ops = {
 680         .ndo_open               = MainVirtualIF_open,
 681         .ndo_stop               = MainVirtualIF_close,
 682         .ndo_do_ioctl           = rt28xx_ioctl,
 683         .ndo_get_stats          = RT28xx_get_ether_stats,
 684         .ndo_validate_addr      = NULL,
 685         .ndo_set_mac_address    = eth_mac_addr,
 686         .ndo_change_mtu         = eth_change_mtu,
 687 #ifdef IKANOS_VX_1X0
 688         .ndo_start_xmit         = IKANOS_DataFramesTx,
 689 #else
 690         .ndo_start_xmit         = rt28xx_send_packets,
 691 #endif
 692 };
 693
 694 /* Must not be called for mdev and apdev */
 695 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 696 {
 697         NDIS_STATUS Status;
 698         INT     i=0;
 699         CHAR    slot_name[IFNAMSIZ];
 700         struct net_device   *device;
 701
 702
 703         //ether_setup(dev);
 704
 705 #ifdef CONFIG_STA_SUPPORT
 706 #if WIRELESS_EXT >= 12
 707         if (pAd->OpMode == OPMODE_STA)
 708         {
 709                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 710         }
 711 #endif //WIRELESS_EXT >= 12
 712 #endif // CONFIG_STA_SUPPORT //
 713
 714 #if WIRELESS_EXT < 21
 715                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 716 #endif
 717         dev->priv_flags = INT_MAIN;
 718         dev->netdev_ops = &rt2860_netdev_ops;
 719         // find available device name
 720         for (i = 0; i < 8; i++)
 721         {
 722                 sprintf(slot_name, "ra%d", i);
 723
 724                 device = dev_get_by_name(dev_net(dev), slot_name);
 725                 if (device != NULL)
 726                         dev_put(device);
 727
 728                 if (device == NULL)
 729                         break;
 730         }
 731
 732         if(i == 8)
 733         {
 734                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 735                 Status = NDIS_STATUS_FAILURE;
 736         }
 737         else
 738         {
 739                 sprintf(dev->name, "ra%d", i);
 740                 Status = NDIS_STATUS_SUCCESS;
 741         }
 742
 743         return Status;
 744
 745 }
 746
 747 /*
 748 ========================================================================
 749 Routine Description:
 750     Probe RT28XX chipset.
 751
 752 Arguments:
 753     _dev_p                              Point to the PCI or USB device
 754         _dev_id_p                       Point to the PCI or USB device ID
 755
 756 Return Value:
 757     0                                   Probe OK
 758         -ENODEV                         Probe Fail
 759
 760 Note:
 761 ========================================================================
 762 */
 763 INT __devinit   rt28xx_probe(
 764     IN  void *_dev_p,
 765     IN  void *_dev_id_p,
 766         IN  UINT argc,
 767         OUT PRTMP_ADAPTER *ppAd)
 768 {
 769     struct  net_device  *net_dev;
 770     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 771     INT                 status;
 772         PVOID                           handle;
 773         struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
 774
 775
 776 #ifdef CONFIG_STA_SUPPORT
 777     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 778 #endif // CONFIG_STA_SUPPORT //
 779
 780     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 781     if (net_dev == NULL)
 782     {
 783         printk("alloc_netdev failed\n");
 784
 785         goto err_out;
 786     }
 787
 788         netif_stop_queue(net_dev);
 789 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
 790 /* for supporting Network Manager */
 791 /* Set the sysfs physical device reference for the network logical device
 792  * if set prior to registration will cause a symlink during initialization.
 793  */
 794     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 795 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 796
 797         // Allocate RTMP_ADAPTER miniport adapter structure
 798         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 799         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 800
 801         status = RTMPAllocAdapterBlock(handle, &pAd);
 802         if (status != NDIS_STATUS_SUCCESS)
 803                 goto err_out_free_netdev;
 804
 805         net_dev->ml_priv = (PVOID)pAd;
 806     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 807
 808         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 809
 810 #ifdef CONFIG_STA_SUPPORT
 811     pAd->StaCfg.OriDevType = net_dev->type;
 812 #endif // CONFIG_STA_SUPPORT //
 813
 814         // Post config
 815         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 816                 goto err_out_unmap;
 817
 818 #ifdef CONFIG_STA_SUPPORT
 819         pAd->OpMode = OPMODE_STA;
 820 #endif // CONFIG_STA_SUPPORT //
 821
 822         // sample move
 823         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 824                 goto err_out_unmap;
 825
 826     // Register this device
 827     status = register_netdev(net_dev);
 828     if (status)
 829         goto err_out_unmap;
 830
 831     // Set driver data
 832         RT28XX_DRVDATA_SET(_dev_p);
 833
 834         *ppAd = pAd;
 835     return 0; // probe ok
 836
 837
 838         /* --------------------------- ERROR HANDLE --------------------------- */
 839 err_out_unmap:
 840         RTMPFreeAdapter(pAd);
 841         RT28XX_UNMAP();
 842
 843 err_out_free_netdev:
 844         free_netdev(net_dev);
 845
 846 err_out:
 847         RT28XX_PUT_DEVICE(dev_p);
 848
 849         return -ENODEV; /* probe fail */
 850 } /* End of rt28xx_probe */
 851
 852
 853 /*
 854 ========================================================================
 855 Routine Description:
 856     The entry point for Linux kernel sent packet to our driver.
 857
 858 Arguments:
 859     sk_buff *skb                the pointer refer to a sk_buffer.
 860
 861 Return Value:
 862     0
 863
 864 Note:
 865         This function is the entry point of Tx Path for Os delivery packet to
 866         our driver. You only can put OS-depened & STA/AP common handle procedures
 867         in here.
 868 ========================================================================
 869 */
 870 int rt28xx_packet_xmit(struct sk_buff *skb)
 871 {
 872         struct net_device *net_dev = skb->dev;
 873         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 874         int status = 0;
 875         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 876
 877 #ifdef CONFIG_STA_SUPPORT
 878         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 879         {
 880                 // Drop send request since we are in monitor mode
 881                 if (MONITOR_ON(pAd))
 882                 {
 883                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 884                         goto done;
 885                 }
 886         }
 887 #endif // CONFIG_STA_SUPPORT //
 888
 889         // EapolStart size is 18
 890         if (skb->len < 14)
 891         {
 892                 //printk("bad packet size: %d\n", pkt->len);
 893                 hex_dump("bad packet", skb->data, skb->len);
 894                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 895                 goto done;
 896         }
 897
 898         RTMP_SET_PACKET_5VT(pPacket, 0);
 899 #ifdef CONFIG_5VT_ENHANCE
 900     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 901                 RTMP_SET_PACKET_5VT(pPacket, 1);
 902     }
 903 #endif
 904
 905
 906
 907 #ifdef CONFIG_STA_SUPPORT
 908         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 909         {
 910
 911                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 912         }
 913
 914 #endif // CONFIG_STA_SUPPORT //
 915
 916         status = 0;
 917 done:
 918
 919         return status;
 920 }
 921
 922
 923 /*
 924 ========================================================================
 925 Routine Description:
 926     Send a packet to WLAN.
 927
 928 Arguments:
 929     skb_p           points to our adapter
 930     dev_p           which WLAN network interface
 931
 932 Return Value:
 933     0: transmit successfully
 934     otherwise: transmit fail
 935
 936 Note:
 937 ========================================================================
 938 */
 939 INT rt28xx_send_packets(
 940         IN struct sk_buff               *skb_p,
 941         IN struct net_device    *net_dev)
 942 {
 943     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 944         if (!(net_dev->flags & IFF_UP))
 945         {
 946                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 947                 return 0;
 948         }
 949
 950         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 951         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 952
 953         return rt28xx_packet_xmit(skb_p);
 954
 955 } /* End of MBSS_VirtualIF_PacketSend */
 956
 957
 958
 959
 960 void CfgInitHook(PRTMP_ADAPTER pAd)
 961 {
 962         pAd->bBroadComHT = TRUE;
 963 } /* End of CfgInitHook */
 964
 965
 966 #if WIRELESS_EXT >= 12
 967 // This function will be called when query /proc
 968 struct iw_statistics *rt28xx_get_wireless_stats(
 969     IN struct net_device *net_dev)
 970 {
 971         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 972
 973
 974         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 975
 976         pAd->iw_stats.status = 0; // Status - device dependent for now
 977
 978         // link quality
 979         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 980         if(pAd->iw_stats.qual.qual > 100)
 981                 pAd->iw_stats.qual.qual = 100;
 982
 983 #ifdef CONFIG_STA_SUPPORT
 984         if (pAd->OpMode == OPMODE_STA)
 985                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 986 #endif // CONFIG_STA_SUPPORT //
 987
 988         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 989
 990         pAd->iw_stats.qual.noise += 256 - 143;
 991         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 992 #ifdef IW_QUAL_DBM
 993         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 994 #endif // IW_QUAL_DBM //
 995
 996         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 997         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 998
 999         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
1000         return &pAd->iw_stats;
1001 } /* End of rt28xx_get_wireless_stats */
1002 #endif // WIRELESS_EXT //
1003
1004
1005
1006 void tbtt_tasklet(unsigned long data)
1007 {
1008 #define MAX_TX_IN_TBTT          (16)
1009
1010 }
1011
1012 INT rt28xx_ioctl(
1013         IN      struct net_device       *net_dev,
1014         IN      OUT     struct ifreq    *rq,
1015         IN      INT                                     cmd)
1016 {
1017         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1018         RTMP_ADAPTER    *pAd = NULL;
1019         INT                             ret = 0;
1020
1021         if (net_dev->priv_flags == INT_MAIN)
1022         {
1023                 pAd = net_dev->ml_priv;
1024         }
1025         else
1026         {
1027                 pVirtualAd = net_dev->ml_priv;
1028                 pAd = pVirtualAd->RtmpDev->ml_priv;
1029         }
1030
1031         if (pAd == NULL)
1032         {
1033                 /* if 1st open fail, pAd will be free;
1034                    So the net_dev->ml_priv will be NULL in 2rd open */
1035                 return -ENETDOWN;
1036         }
1037
1038
1039 #ifdef CONFIG_STA_SUPPORT
1040         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1041         {
1042                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1043         }
1044 #endif // CONFIG_STA_SUPPORT //
1045
1046         return ret;
1047 }
1048
1049 /*
1050     ========================================================================
1051
1052     Routine Description:
1053         return ethernet statistics counter
1054
1055     Arguments:
1056         net_dev                     Pointer to net_device
1057
1058     Return Value:
1059         net_device_stats*
1060
1061     Note:
1062
1063     ========================================================================
1064 */
1065 struct net_device_stats *RT28xx_get_ether_stats(
1066     IN  struct net_device *net_dev)
1067 {
1068     RTMP_ADAPTER *pAd = NULL;
1069
1070         if (net_dev)
1071                 pAd = net_dev->ml_priv;
1072
1073         if (pAd)
1074         {
1075
1076                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1077                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1078
1079                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1080                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1081
1082                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1083                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1084
1085                 pAd->stats.rx_dropped = 0;
1086                 pAd->stats.tx_dropped = 0;
1087
1088             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1089             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1090
1091             pAd->stats.rx_length_errors = 0;
1092             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1093             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1094             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1095             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1096             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1097
1098             // detailed tx_errors
1099             pAd->stats.tx_aborted_errors = 0;
1100             pAd->stats.tx_carrier_errors = 0;
1101             pAd->stats.tx_fifo_errors = 0;
1102             pAd->stats.tx_heartbeat_errors = 0;
1103             pAd->stats.tx_window_errors = 0;
1104
1105             // for cslip etc
1106             pAd->stats.rx_compressed = 0;
1107             pAd->stats.tx_compressed = 0;
1108
1109                 return &pAd->stats;
1110         }
1111         else
1112         return NULL;
1113 }
1114