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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 = "";               // 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 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
 193
 194     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 195
 196         // Sanity check for pAd
 197         if (pAd == NULL)
 198                 return 0; // close ok
 199
 200         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 201         {
 202                 // If dirver doesn't wake up firmware here,
 203                 // NICLoadFirmware will hang forever when interface is up again.
 204                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
 205                         RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
 206                         RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
 207         {
 208                     AsicForceWakeup(pAd, RTMP_HALT);
 209         }
 210
 211                 if (INFRA_ON(pAd) &&
 212                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 213                 {
 214                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 215                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 216
 217                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 218                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 219
 220                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 221                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 222                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 223                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 224
 225                         // Prevent to connect AP again in STAMlmePeriodicExec
 226                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 227                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 228
 229                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 230                         MlmeDisassocReqAction(pAd, MsgElem);
 231                         kfree(MsgElem);
 232
 233                         RTMPusecDelay(1000);
 234                 }
 235
 236
 237 #ifdef CCX_SUPPORT
 238                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 239 #endif
 240
 241                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 242                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 243
 244 #ifdef WPA_SUPPLICANT_SUPPORT
 245 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 246                 {
 247                         union iwreq_data    wrqu;
 248                         // send wireless event to wpa_supplicant for infroming interface down.
 249                         memset(&wrqu, 0, sizeof(wrqu));
 250                         wrqu.data.flags = RT_INTERFACE_DOWN;
 251                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 252                 }
 253 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 254 #endif // WPA_SUPPLICANT_SUPPORT //
 255
 256                 MlmeRadioOff(pAd);
 257                 pAd->bPCIclkOff = FALSE;
 258         }
 259
 260         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 261
 262         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 263         {
 264                 while (pAd->DeQueueRunning[i] == TRUE)
 265                 {
 266                         printk("Waiting for TxQueue[%d] done..........\n", i);
 267                         RTMPusecDelay(1000);
 268                 }
 269         }
 270
 271         // Stop Mlme state machine
 272         MlmeHalt(pAd);
 273
 274         // Close kernel threads or tasklets
 275         kill_thread_task(pAd);
 276
 277         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 278         {
 279                 MacTableReset(pAd);
 280         }
 281
 282
 283         MeasureReqTabExit(pAd);
 284         TpcReqTabExit(pAd);
 285
 286
 287         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 288         {
 289                 NICDisableInterrupt(pAd);
 290         }
 291
 292         // Disable Rx, register value supposed will remain after reset
 293         NICIssueReset(pAd);
 294
 295         // Free IRQ
 296         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 297         {
 298                 // Deregister interrupt function
 299                 RT28XX_IRQ_RELEASE(net_dev)
 300                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 301         }
 302
 303
 304         // Free Ring or USB buffers
 305         RTMPFreeTxRxRingMemory(pAd);
 306
 307         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 308
 309 #ifdef DOT11_N_SUPPORT
 310         // Free BA reorder resource
 311         ba_reordering_resource_release(pAd);
 312 #endif // DOT11_N_SUPPORT //
 313
 314
 315         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 316
 317         return 0; // close ok
 318 } /* End of rt28xx_close */
 319
 320 static int rt28xx_init(IN struct net_device *net_dev)
 321 {
 322         PRTMP_ADAPTER                   pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
 323         UINT                                    index;
 324         UCHAR                                   TmpPhy;
 325         NDIS_STATUS                             Status;
 326         UINT32          MacCsr0 = 0;
 327
 328
 329 #ifdef DOT11_N_SUPPORT
 330         // Allocate BA Reordering memory
 331         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 332 #endif // DOT11_N_SUPPORT //
 333
 334         // Make sure MAC gets ready.
 335         index = 0;
 336         do
 337         {
 338                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 339                 pAd->MACVersion = MacCsr0;
 340
 341                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 342                         break;
 343
 344                 RTMPusecDelay(10);
 345         } while (index++ < 100);
 346
 347         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 348
 349         // Disable DMA
 350         RT28XXDMADisable(pAd);
 351
 352
 353         // Load 8051 firmware
 354         Status = NICLoadFirmware(pAd);
 355         if (Status != NDIS_STATUS_SUCCESS)
 356         {
 357                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 358                 goto err1;
 359         }
 360
 361         NICLoadRateSwitchingParams(pAd);
 362
 363         // Disable interrupts here which is as soon as possible
 364         // This statement should never be true. We might consider to remove it later
 365         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 366         {
 367                 NICDisableInterrupt(pAd);
 368         }
 369
 370         Status = RTMPAllocTxRxRingMemory(pAd);
 371         if (Status != NDIS_STATUS_SUCCESS)
 372         {
 373                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 374                 goto err1;
 375         }
 376
 377         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 378
 379         // initialize MLME
 380         //
 381
 382         Status = MlmeInit(pAd);
 383         if (Status != NDIS_STATUS_SUCCESS)
 384         {
 385                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 386                 goto err2;
 387         }
 388
 389         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 390         //
 391         UserCfgInit(pAd);
 392
 393
 394         RT28XX_TASK_THREAD_INIT(pAd, Status);
 395         if (Status != NDIS_STATUS_SUCCESS)
 396                 goto err1;
 397
 398         CfgInitHook(pAd);
 399
 400         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 401                 NdisAllocateSpinLock(&pAd->MacTabLock);
 402
 403         MeasureReqTabInit(pAd);
 404         TpcReqTabInit(pAd);
 405
 406         //
 407         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 408         //
 409         Status = NICInitializeAdapter(pAd, TRUE);
 410         if (Status != NDIS_STATUS_SUCCESS)
 411         {
 412                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 413                 if (Status != NDIS_STATUS_SUCCESS)
 414                 goto err3;
 415         }
 416
 417         // Read parameters from Config File
 418         Status = RTMPReadParametersHook(pAd);
 419
 420         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 421         if (Status != NDIS_STATUS_SUCCESS)
 422         {
 423                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 424                 goto err4;
 425         }
 426
 427
 428
 429         //Init Ba Capability parameters.
 430 #ifdef DOT11_N_SUPPORT
 431         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 432         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 433         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 434         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 435         // UPdata to HT IE
 436         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 437         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 438         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 439 #endif // DOT11_N_SUPPORT //
 440
 441         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 442
 443         // We should read EEPROM for all cases.  rt2860b
 444         NICReadEEPROMParameters(pAd, mac);
 445
 446         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 447
 448         NICInitAsicFromEEPROM(pAd); //rt2860b
 449
 450         // Set PHY to appropriate mode
 451         TmpPhy = pAd->CommonCfg.PhyMode;
 452         pAd->CommonCfg.PhyMode = 0xff;
 453         RTMPSetPhyMode(pAd, TmpPhy);
 454 #ifdef DOT11_N_SUPPORT
 455         SetCommonHT(pAd);
 456 #endif // DOT11_N_SUPPORT //
 457
 458         // No valid channels.
 459         if (pAd->ChannelListNum == 0)
 460         {
 461                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 462                 goto err4;
 463         }
 464
 465 #ifdef DOT11_N_SUPPORT
 466         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 467            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 468            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 469 #endif // DOT11_N_SUPPORT //
 470
 471 #ifdef IKANOS_VX_1X0
 472         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 473 #endif // IKANOS_VX_1X0 //
 474
 475                 //
 476         // Initialize RF register to default value
 477         //
 478         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 479         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 480
 481         // 8051 firmware require the signal during booting time.
 482         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 483
 484         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 485         {
 486                 //
 487                 // Undo everything if it failed
 488                 //
 489                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 490                 {
 491                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 492                 }
 493         }
 494         else if (pAd)
 495         {
 496                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 497                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 498                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 499                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 500
 501
 502         }// end of else
 503
 504
 505         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 506
 507         return TRUE;
 508
 509
 510 err4:
 511 err3:
 512         MlmeHalt(pAd);
 513 err2:
 514         RTMPFreeTxRxRingMemory(pAd);
 515 err1:
 516
 517 #ifdef DOT11_N_SUPPORT
 518         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 519 #endif // DOT11_N_SUPPORT //
 520         RT28XX_IRQ_RELEASE(net_dev);
 521
 522         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 523         //net_dev->ml_priv = 0;
 524
 525         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 526         return FALSE;
 527 } /* End of rt28xx_init */
 528
 529
 530 /*
 531 ========================================================================
 532 Routine Description:
 533     Open raxx interface.
 534
 535 Arguments:
 536         *net_dev                        the raxx interface pointer
 537
 538 Return Value:
 539     0                                   Open OK
 540         otherwise                       Open Fail
 541
 542 Note:
 543 ========================================================================
 544 */
 545 int rt28xx_open(IN PNET_DEV dev)
 546 {
 547         struct net_device * net_dev = (struct net_device *)dev;
 548         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 549         int retval = 0;
 550         POS_COOKIE pObj;
 551
 552
 553         // Sanity check for pAd
 554         if (pAd == NULL)
 555         {
 556                 /* if 1st open fail, pAd will be free;
 557                    So the net_dev->ml_priv will be NULL in 2rd open */
 558                 return -1;
 559         }
 560
 561         // Init
 562         pObj = (POS_COOKIE)pAd->OS_Cookie;
 563
 564         // reset Adapter flags
 565         RTMP_CLEAR_FLAGS(pAd);
 566
 567         // Request interrupt service routine for PCI device
 568         // register the interrupt routine with the os
 569         RT28XX_IRQ_REQUEST(net_dev);
 570
 571
 572         // Init BssTab & ChannelInfo tabbles for auto channel select.
 573
 574
 575         // Chip & other init
 576         if (rt28xx_init(net_dev) == FALSE)
 577                 goto err;
 578
 579         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 580         {
 581                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 582                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 583         }
 584
 585         // Set up the Mac address
 586         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 587
 588         // Init IRQ parameters
 589         RT28XX_IRQ_INIT(pAd);
 590
 591         // Various AP function init
 592
 593         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 594         {
 595 #ifdef WPA_SUPPLICANT_SUPPORT
 596 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 597                 {
 598                         union iwreq_data    wrqu;
 599                         // send wireless event to wpa_supplicant for infroming interface down.
 600                         memset(&wrqu, 0, sizeof(wrqu));
 601                         wrqu.data.flags = RT_INTERFACE_UP;
 602                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 603                 }
 604 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 605 #endif // WPA_SUPPLICANT_SUPPORT //
 606
 607         }
 608
 609         // Enable Interrupt
 610         RT28XX_IRQ_ENABLE(pAd);
 611
 612         // Now Enable RxTx
 613         RTMPEnableRxTx(pAd);
 614         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 615
 616         {
 617         UINT32 reg = 0;
 618         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 619         printk("0x1300 = %08x\n", reg);
 620         }
 621
 622         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 623         RTMPInitPCIeLinkCtrlValue(pAd);
 624
 625         return (retval);
 626
 627 err:
 628         return (-1);
 629 } /* End of rt28xx_open */
 630
 631 static const struct net_device_ops rt2860_netdev_ops = {
 632         .ndo_open               = MainVirtualIF_open,
 633         .ndo_stop               = MainVirtualIF_close,
 634         .ndo_do_ioctl           = rt28xx_ioctl,
 635         .ndo_get_stats          = RT28xx_get_ether_stats,
 636         .ndo_validate_addr      = NULL,
 637         .ndo_set_mac_address    = eth_mac_addr,
 638         .ndo_change_mtu         = eth_change_mtu,
 639 #ifdef IKANOS_VX_1X0
 640         .ndo_start_xmit         = IKANOS_DataFramesTx,
 641 #else
 642         .ndo_start_xmit         = rt28xx_send_packets,
 643 #endif
 644 };
 645
 646 /* Must not be called for mdev and apdev */
 647 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 648 {
 649         NDIS_STATUS Status;
 650         INT     i=0;
 651         CHAR    slot_name[IFNAMSIZ];
 652         struct net_device   *device;
 653
 654
 655         //ether_setup(dev);
 656
 657 #if WIRELESS_EXT >= 12
 658         if (pAd->OpMode == OPMODE_STA)
 659         {
 660                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 661         }
 662 #endif //WIRELESS_EXT >= 12
 663
 664 #if WIRELESS_EXT < 21
 665                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 666 #endif
 667         dev->priv_flags = INT_MAIN;
 668         dev->netdev_ops = &rt2860_netdev_ops;
 669         // find available device name
 670         for (i = 0; i < 8; i++)
 671         {
 672                 sprintf(slot_name, "ra%d", i);
 673
 674                 device = dev_get_by_name(dev_net(dev), slot_name);
 675                 if (device != NULL)
 676                         dev_put(device);
 677
 678                 if (device == NULL)
 679                         break;
 680         }
 681
 682         if(i == 8)
 683         {
 684                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 685                 Status = NDIS_STATUS_FAILURE;
 686         }
 687         else
 688         {
 689                 sprintf(dev->name, "ra%d", i);
 690                 Status = NDIS_STATUS_SUCCESS;
 691         }
 692
 693         return Status;
 694
 695 }
 696
 697 /*
 698 ========================================================================
 699 Routine Description:
 700     Probe RT28XX chipset.
 701
 702 Arguments:
 703     _dev_p                              Point to the PCI or USB device
 704         _dev_id_p                       Point to the PCI or USB device ID
 705
 706 Return Value:
 707     0                                   Probe OK
 708         -ENODEV                         Probe Fail
 709
 710 Note:
 711 ========================================================================
 712 */
 713 INT __devinit   rt28xx_probe(
 714     IN  void *_dev_p,
 715     IN  void *_dev_id_p,
 716         IN  UINT argc,
 717         OUT PRTMP_ADAPTER *ppAd)
 718 {
 719     struct  net_device  *net_dev;
 720     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
 721     INT                 status;
 722         PVOID                           handle;
 723         struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
 724
 725
 726     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
 727
 728     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
 729     if (net_dev == NULL)
 730     {
 731         printk("alloc_netdev failed\n");
 732
 733         goto err_out;
 734     }
 735
 736         netif_stop_queue(net_dev);
 737 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
 738 /* for supporting Network Manager */
 739 /* Set the sysfs physical device reference for the network logical device
 740  * if set prior to registration will cause a symlink during initialization.
 741  */
 742     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
 743 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 744
 745         // Allocate RTMP_ADAPTER miniport adapter structure
 746         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
 747         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
 748
 749         status = RTMPAllocAdapterBlock(handle, &pAd);
 750         if (status != NDIS_STATUS_SUCCESS)
 751                 goto err_out_free_netdev;
 752
 753         net_dev->ml_priv = (PVOID)pAd;
 754     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
 755
 756         RT28XXNetDevInit(_dev_p, net_dev, pAd);
 757
 758     pAd->StaCfg.OriDevType = net_dev->type;
 759
 760         // Post config
 761         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
 762                 goto err_out_unmap;
 763
 764         pAd->OpMode = OPMODE_STA;
 765
 766         // sample move
 767         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
 768                 goto err_out_unmap;
 769
 770     // Register this device
 771     status = register_netdev(net_dev);
 772     if (status)
 773         goto err_out_unmap;
 774
 775     // Set driver data
 776         RT28XX_DRVDATA_SET(_dev_p);
 777
 778         *ppAd = pAd;
 779     return 0; // probe ok
 780
 781
 782         /* --------------------------- ERROR HANDLE --------------------------- */
 783 err_out_unmap:
 784         RTMPFreeAdapter(pAd);
 785         RT28XX_UNMAP();
 786
 787 err_out_free_netdev:
 788         free_netdev(net_dev);
 789
 790 err_out:
 791         RT28XX_PUT_DEVICE(dev_p);
 792
 793         return -ENODEV; /* probe fail */
 794 } /* End of rt28xx_probe */
 795
 796
 797 /*
 798 ========================================================================
 799 Routine Description:
 800     The entry point for Linux kernel sent packet to our driver.
 801
 802 Arguments:
 803     sk_buff *skb                the pointer refer to a sk_buffer.
 804
 805 Return Value:
 806     0
 807
 808 Note:
 809         This function is the entry point of Tx Path for Os delivery packet to
 810         our driver. You only can put OS-depened & STA/AP common handle procedures
 811         in here.
 812 ========================================================================
 813 */
 814 int rt28xx_packet_xmit(struct sk_buff *skb)
 815 {
 816         struct net_device *net_dev = skb->dev;
 817         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 818         int status = 0;
 819         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
 820
 821         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 822         {
 823                 // Drop send request since we are in monitor mode
 824                 if (MONITOR_ON(pAd))
 825                 {
 826                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 827                         goto done;
 828                 }
 829         }
 830
 831         // EapolStart size is 18
 832         if (skb->len < 14)
 833         {
 834                 //printk("bad packet size: %d\n", pkt->len);
 835                 hex_dump("bad packet", skb->data, skb->len);
 836                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
 837                 goto done;
 838         }
 839
 840         RTMP_SET_PACKET_5VT(pPacket, 0);
 841 #ifdef CONFIG_5VT_ENHANCE
 842     if (*(int*)(skb->cb) == BRIDGE_TAG) {
 843                 RTMP_SET_PACKET_5VT(pPacket, 1);
 844     }
 845 #endif
 846
 847         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 848         {
 849
 850                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
 851         }
 852
 853         status = 0;
 854 done:
 855
 856         return status;
 857 }
 858
 859
 860 /*
 861 ========================================================================
 862 Routine Description:
 863     Send a packet to WLAN.
 864
 865 Arguments:
 866     skb_p           points to our adapter
 867     dev_p           which WLAN network interface
 868
 869 Return Value:
 870     0: transmit successfully
 871     otherwise: transmit fail
 872
 873 Note:
 874 ========================================================================
 875 */
 876 INT rt28xx_send_packets(
 877         IN struct sk_buff               *skb_p,
 878         IN struct net_device    *net_dev)
 879 {
 880     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 881         if (!(net_dev->flags & IFF_UP))
 882         {
 883                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
 884                 return 0;
 885         }
 886
 887         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
 888         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
 889
 890         return rt28xx_packet_xmit(skb_p);
 891
 892 } /* End of MBSS_VirtualIF_PacketSend */
 893
 894
 895
 896
 897 void CfgInitHook(PRTMP_ADAPTER pAd)
 898 {
 899         pAd->bBroadComHT = TRUE;
 900 } /* End of CfgInitHook */
 901
 902
 903 #if WIRELESS_EXT >= 12
 904 // This function will be called when query /proc
 905 struct iw_statistics *rt28xx_get_wireless_stats(
 906     IN struct net_device *net_dev)
 907 {
 908         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 909
 910
 911         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
 912
 913         pAd->iw_stats.status = 0; // Status - device dependent for now
 914
 915         // link quality
 916         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
 917         if(pAd->iw_stats.qual.qual > 100)
 918                 pAd->iw_stats.qual.qual = 100;
 919
 920         if (pAd->OpMode == OPMODE_STA)
 921                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
 922
 923         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
 924
 925         pAd->iw_stats.qual.noise += 256 - 143;
 926         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
 927 #ifdef IW_QUAL_DBM
 928         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
 929 #endif // IW_QUAL_DBM //
 930
 931         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
 932         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
 933
 934         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
 935         return &pAd->iw_stats;
 936 } /* End of rt28xx_get_wireless_stats */
 937 #endif // WIRELESS_EXT //
 938
 939
 940
 941 void tbtt_tasklet(unsigned long data)
 942 {
 943 #define MAX_TX_IN_TBTT          (16)
 944
 945 }
 946
 947 INT rt28xx_ioctl(
 948         IN      struct net_device       *net_dev,
 949         IN      OUT     struct ifreq    *rq,
 950         IN      INT                                     cmd)
 951 {
 952         VIRTUAL_ADAPTER *pVirtualAd = NULL;
 953         RTMP_ADAPTER    *pAd = NULL;
 954         INT                             ret = 0;
 955
 956         if (net_dev->priv_flags == INT_MAIN)
 957         {
 958                 pAd = net_dev->ml_priv;
 959         }
 960         else
 961         {
 962                 pVirtualAd = net_dev->ml_priv;
 963                 pAd = pVirtualAd->RtmpDev->ml_priv;
 964         }
 965
 966         if (pAd == NULL)
 967         {
 968                 /* if 1st open fail, pAd will be free;
 969                    So the net_dev->ml_priv will be NULL in 2rd open */
 970                 return -ENETDOWN;
 971         }
 972
 973         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 974         {
 975                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
 976         }
 977
 978         return ret;
 979 }
 980
 981 /*
 982     ========================================================================
 983
 984     Routine Description:
 985         return ethernet statistics counter
 986
 987     Arguments:
 988         net_dev                     Pointer to net_device
 989
 990     Return Value:
 991         net_device_stats*
 992
 993     Note:
 994
 995     ========================================================================
 996 */
 997 struct net_device_stats *RT28xx_get_ether_stats(
 998     IN  struct net_device *net_dev)
 999 {
1000     RTMP_ADAPTER *pAd = NULL;
1001
1002         if (net_dev)
1003                 pAd = net_dev->ml_priv;
1004
1005         if (pAd)
1006         {
1007
1008                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1009                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1010
1011                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1012                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1013
1014                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1015                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1016
1017                 pAd->stats.rx_dropped = 0;
1018                 pAd->stats.tx_dropped = 0;
1019
1020             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1021             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1022
1023             pAd->stats.rx_length_errors = 0;
1024             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1025             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1026             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1027             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1028             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1029
1030             // detailed tx_errors
1031             pAd->stats.tx_aborted_errors = 0;
1032             pAd->stats.tx_carrier_errors = 0;
1033             pAd->stats.tx_fifo_errors = 0;
1034             pAd->stats.tx_heartbeat_errors = 0;
1035             pAd->stats.tx_window_errors = 0;
1036
1037             // for cslip etc
1038             pAd->stats.rx_compressed = 0;
1039             pAd->stats.tx_compressed = 0;
1040
1041                 return &pAd->stats;
1042         }
1043         else
1044         return NULL;
1045 }
1046