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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 #ifdef MULTIPLE_CARD_SUPPORT
  44 // record whether the card in the card list is used in the card file
  45 UINT8  MC_CardUsed[MAX_NUM_OF_MULTIPLE_CARD];
  46 // record used card mac address in the card list
  47 static UINT8  MC_CardMac[MAX_NUM_OF_MULTIPLE_CARD][6];
  48 #endif // MULTIPLE_CARD_SUPPORT //
  49
  50 #ifdef CONFIG_APSTA_MIXED_SUPPORT
  51 UINT32 CW_MAX_IN_BITS;
  52 #endif // CONFIG_APSTA_MIXED_SUPPORT //
  53
  54 /*---------------------------------------------------------------------*/
  55 /* Private Variables Used                                              */
  56 /*---------------------------------------------------------------------*/
  57 //static RALINK_TIMER_STRUCT     PeriodicTimer;
  58
  59 char *mac = "";            // default 00:00:00:00:00:00
  60 char *hostname = "";               // default CMPC
  61 module_param (mac, charp, 0);
  62 MODULE_PARM_DESC (mac, "rt28xx: wireless mac addr");
  63
  64
  65 /*---------------------------------------------------------------------*/
  66 /* Prototypes of Functions Used                                        */
  67 /*---------------------------------------------------------------------*/
  68 #ifdef DOT11_N_SUPPORT
  69 extern BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num);
  70 extern void ba_reordering_resource_release(PRTMP_ADAPTER pAd);
  71 #endif // DOT11_N_SUPPORT //
  72 extern NDIS_STATUS NICLoadRateSwitchingParams(IN PRTMP_ADAPTER pAd);
  73
  74 extern void init_thread_task(PRTMP_ADAPTER pAd);
  75
  76 // public function prototype
  77 INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
  78                                                         IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
  79
  80 // private function prototype
  81 static int rt28xx_init(IN struct net_device *net_dev);
  82 INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev);
  83
  84 static void CfgInitHook(PRTMP_ADAPTER pAd);
  85
  86 #ifdef CONFIG_STA_SUPPORT
  87 extern  const struct iw_handler_def rt28xx_iw_handler_def;
  88 #endif // CONFIG_STA_SUPPORT //
  89
  90 #ifdef CONFIG_APSTA_MIXED_SUPPORT
  91 extern  const struct iw_handler_def rt28xx_ap_iw_handler_def;
  92 #endif // CONFIG_APSTA_MIXED_SUPPORT //
  93
  94 #if WIRELESS_EXT >= 12
  95 // This function will be called when query /proc
  96 struct iw_statistics *rt28xx_get_wireless_stats(
  97     IN struct net_device *net_dev);
  98 #endif
  99
 100 struct net_device_stats *RT28xx_get_ether_stats(
 101     IN  struct net_device *net_dev);
 102
 103 /*
 104 ========================================================================
 105 Routine Description:
 106     Close raxx interface.
 107
 108 Arguments:
 109         *net_dev                        the raxx interface pointer
 110
 111 Return Value:
 112     0                                   Open OK
 113         otherwise                       Open Fail
 114
 115 Note:
 116         1. if open fail, kernel will not call the close function.
 117         2. Free memory for
 118                 (1) Mlme Memory Handler:                MlmeHalt()
 119                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 120                 (3) BA Reordering:                              ba_reordering_resource_release()
 121 ========================================================================
 122 */
 123 int MainVirtualIF_close(IN struct net_device *net_dev)
 124 {
 125     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 126
 127         // Sanity check for pAd
 128         if (pAd == NULL)
 129                 return 0; // close ok
 130
 131         netif_carrier_off(pAd->net_dev);
 132         netif_stop_queue(pAd->net_dev);
 133
 134
 135         VIRTUAL_IF_DOWN(pAd);
 136
 137         RT_MOD_DEC_USE_COUNT();
 138
 139         return 0; // close ok
 140 }
 141
 142 /*
 143 ========================================================================
 144 Routine Description:
 145     Open raxx interface.
 146
 147 Arguments:
 148         *net_dev                        the raxx interface pointer
 149
 150 Return Value:
 151     0                                   Open OK
 152         otherwise                       Open Fail
 153
 154 Note:
 155         1. if open fail, kernel will not call the close function.
 156         2. Free memory for
 157                 (1) Mlme Memory Handler:                MlmeHalt()
 158                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 159                 (3) BA Reordering:                              ba_reordering_resource_release()
 160 ========================================================================
 161 */
 162 int MainVirtualIF_open(IN struct net_device *net_dev)
 163 {
 164     RTMP_ADAPTER *pAd = net_dev->ml_priv;
 165
 166         // Sanity check for pAd
 167         if (pAd == NULL)
 168                 return 0; // close ok
 169
 170         if (VIRTUAL_IF_UP(pAd) != 0)
 171                 return -1;
 172
 173         // increase MODULE use count
 174         RT_MOD_INC_USE_COUNT();
 175
 176         netif_start_queue(net_dev);
 177         netif_carrier_on(net_dev);
 178         netif_wake_queue(net_dev);
 179
 180         return 0;
 181 }
 182
 183 /*
 184 ========================================================================
 185 Routine Description:
 186     Close raxx interface.
 187
 188 Arguments:
 189         *net_dev                        the raxx interface pointer
 190
 191 Return Value:
 192     0                                   Open OK
 193         otherwise                       Open Fail
 194
 195 Note:
 196         1. if open fail, kernel will not call the close function.
 197         2. Free memory for
 198                 (1) Mlme Memory Handler:                MlmeHalt()
 199                 (2) TX & RX:                                    RTMPFreeTxRxRingMemory()
 200                 (3) BA Reordering:                              ba_reordering_resource_release()
 201 ========================================================================
 202 */
 203 int rt28xx_close(IN PNET_DEV dev)
 204 {
 205         struct net_device * net_dev = (struct net_device *)dev;
 206     RTMP_ADAPTER        *pAd = net_dev->ml_priv;
 207         BOOLEAN                 Cancelled = FALSE;
 208         UINT32                  i = 0;
 209
 210
 211     DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
 212
 213         // Sanity check for pAd
 214         if (pAd == NULL)
 215                 return 0; // close ok
 216
 217
 218 #ifdef WDS_SUPPORT
 219         WdsDown(pAd);
 220 #endif // WDS_SUPPORT //
 221
 222 #ifdef CONFIG_STA_SUPPORT
 223         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 224         {
 225                 // If dirver doesn't wake up firmware here,
 226                 // NICLoadFirmware will hang forever when interface is up again.
 227                 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
 228                         RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
 229                         RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
 230         {
 231                     AsicForceWakeup(pAd, RTMP_HALT);
 232         }
 233
 234 #ifdef QOS_DLS_SUPPORT
 235                 // send DLS-TEAR_DOWN message,
 236                 if (pAd->CommonCfg.bDLSCapable)
 237                 {
 238                         UCHAR i;
 239
 240                         // tear down local dls table entry
 241                         for (i=0; i<MAX_NUM_OF_INIT_DLS_ENTRY; i++)
 242                         {
 243                                 if (pAd->StaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH))
 244                                 {
 245                                         RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr);
 246                                         pAd->StaCfg.DLSEntry[i].Status  = DLS_NONE;
 247                                         pAd->StaCfg.DLSEntry[i].Valid   = FALSE;
 248                                 }
 249                         }
 250
 251                         // tear down peer dls table entry
 252                         for (i=MAX_NUM_OF_INIT_DLS_ENTRY; i<MAX_NUM_OF_DLS_ENTRY; i++)
 253                         {
 254                                 if (pAd->StaCfg.DLSEntry[i].Valid && (pAd->StaCfg.DLSEntry[i].Status == DLS_FINISH))
 255                                 {
 256                                         RTMPSendDLSTearDownFrame(pAd, pAd->StaCfg.DLSEntry[i].MacAddr);
 257                                         pAd->StaCfg.DLSEntry[i].Status = DLS_NONE;
 258                                         pAd->StaCfg.DLSEntry[i].Valid   = FALSE;
 259                                 }
 260                         }
 261                         RT28XX_MLME_HANDLER(pAd);
 262                 }
 263 #endif // QOS_DLS_SUPPORT //
 264
 265                 if (INFRA_ON(pAd) &&
 266                         (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
 267                 {
 268                         MLME_DISASSOC_REQ_STRUCT        DisReq;
 269                         MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 270
 271                         COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
 272                         DisReq.Reason =  REASON_DEAUTH_STA_LEAVING;
 273
 274                         MsgElem->Machine = ASSOC_STATE_MACHINE;
 275                         MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
 276                         MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
 277                         NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
 278
 279                         // Prevent to connect AP again in STAMlmePeriodicExec
 280                         pAd->MlmeAux.AutoReconnectSsidLen= 32;
 281                         NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
 282
 283                         pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
 284                         MlmeDisassocReqAction(pAd, MsgElem);
 285                         kfree(MsgElem);
 286
 287                         RTMPusecDelay(1000);
 288                 }
 289
 290
 291 #ifdef CCX_SUPPORT
 292                 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
 293 #endif
 294
 295                 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
 296                 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
 297
 298 #ifdef WPA_SUPPLICANT_SUPPORT
 299 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 300                 {
 301                         union iwreq_data    wrqu;
 302                         // send wireless event to wpa_supplicant for infroming interface down.
 303                         memset(&wrqu, 0, sizeof(wrqu));
 304                         wrqu.data.flags = RT_INTERFACE_DOWN;
 305                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 306                 }
 307 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 308 #endif // WPA_SUPPLICANT_SUPPORT //
 309
 310                 MlmeRadioOff(pAd);
 311                 pAd->bPCIclkOff = FALSE;
 312         }
 313 #endif // CONFIG_STA_SUPPORT //
 314
 315         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 316
 317         for (i = 0 ; i < NUM_OF_TX_RING; i++)
 318         {
 319                 while (pAd->DeQueueRunning[i] == TRUE)
 320                 {
 321                         printk("Waiting for TxQueue[%d] done..........\n", i);
 322                         RTMPusecDelay(1000);
 323                 }
 324         }
 325
 326         // Stop Mlme state machine
 327         MlmeHalt(pAd);
 328
 329         // Close kernel threads or tasklets
 330         kill_thread_task(pAd);
 331
 332
 333 #ifdef CONFIG_STA_SUPPORT
 334         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 335         {
 336                 MacTableReset(pAd);
 337         }
 338 #endif // CONFIG_STA_SUPPORT //
 339
 340
 341         MeasureReqTabExit(pAd);
 342         TpcReqTabExit(pAd);
 343
 344
 345         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 346         {
 347                 NICDisableInterrupt(pAd);
 348         }
 349
 350         // Disable Rx, register value supposed will remain after reset
 351         NICIssueReset(pAd);
 352
 353         // Free IRQ
 354         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 355         {
 356                 // Deregister interrupt function
 357                 RT28XX_IRQ_RELEASE(net_dev)
 358                 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 359         }
 360
 361
 362         // Free Ring or USB buffers
 363         RTMPFreeTxRxRingMemory(pAd);
 364
 365         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
 366
 367 #ifdef DOT11_N_SUPPORT
 368         // Free BA reorder resource
 369         ba_reordering_resource_release(pAd);
 370 #endif // DOT11_N_SUPPORT //
 371
 372
 373         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 374
 375         return 0; // close ok
 376 } /* End of rt28xx_close */
 377
 378 static int rt28xx_init(IN struct net_device *net_dev)
 379 {
 380         PRTMP_ADAPTER                   pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
 381         UINT                                    index;
 382         UCHAR                                   TmpPhy;
 383         NDIS_STATUS                             Status;
 384         UINT32          MacCsr0 = 0;
 385
 386
 387 #ifdef DOT11_N_SUPPORT
 388         // Allocate BA Reordering memory
 389         ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
 390 #endif // DOT11_N_SUPPORT //
 391
 392         // Make sure MAC gets ready.
 393         index = 0;
 394         do
 395         {
 396                 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
 397                 pAd->MACVersion = MacCsr0;
 398
 399                 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
 400                         break;
 401
 402                 RTMPusecDelay(10);
 403         } while (index++ < 100);
 404
 405         DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0  [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
 406
 407         // Disable DMA
 408         RT28XXDMADisable(pAd);
 409
 410
 411         // Load 8051 firmware
 412         Status = NICLoadFirmware(pAd);
 413         if (Status != NDIS_STATUS_SUCCESS)
 414         {
 415                 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
 416                 goto err1;
 417         }
 418
 419         NICLoadRateSwitchingParams(pAd);
 420
 421         // Disable interrupts here which is as soon as possible
 422         // This statement should never be true. We might consider to remove it later
 423         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
 424         {
 425                 NICDisableInterrupt(pAd);
 426         }
 427
 428         Status = RTMPAllocTxRxRingMemory(pAd);
 429         if (Status != NDIS_STATUS_SUCCESS)
 430         {
 431                 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
 432                 goto err1;
 433         }
 434
 435         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 436
 437         // initialize MLME
 438         //
 439
 440         Status = MlmeInit(pAd);
 441         if (Status != NDIS_STATUS_SUCCESS)
 442         {
 443                 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
 444                 goto err2;
 445         }
 446
 447         // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
 448         //
 449         UserCfgInit(pAd);
 450
 451
 452         RT28XX_TASK_THREAD_INIT(pAd, Status);
 453         if (Status != NDIS_STATUS_SUCCESS)
 454                 goto err1;
 455
 456         CfgInitHook(pAd);
 457
 458
 459 #ifdef BLOCK_NET_IF
 460         initblockQueueTab(pAd);
 461 #endif // BLOCK_NET_IF //
 462
 463 #ifdef CONFIG_STA_SUPPORT
 464         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 465                 NdisAllocateSpinLock(&pAd->MacTabLock);
 466 #endif // CONFIG_STA_SUPPORT //
 467
 468         MeasureReqTabInit(pAd);
 469         TpcReqTabInit(pAd);
 470
 471         //
 472         // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
 473         //
 474         Status = NICInitializeAdapter(pAd, TRUE);
 475         if (Status != NDIS_STATUS_SUCCESS)
 476         {
 477                 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
 478                 if (Status != NDIS_STATUS_SUCCESS)
 479                 goto err3;
 480         }
 481
 482         // Read parameters from Config File
 483         Status = RTMPReadParametersHook(pAd);
 484
 485         printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 486         if (Status != NDIS_STATUS_SUCCESS)
 487         {
 488                 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
 489                 goto err4;
 490         }
 491
 492
 493
 494         //Init Ba Capability parameters.
 495 #ifdef DOT11_N_SUPPORT
 496         pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 497         pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
 498         pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 499         pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 500         // UPdata to HT IE
 501         pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
 502         pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
 503         pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
 504 #endif // DOT11_N_SUPPORT //
 505
 506         printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 507
 508         // We should read EEPROM for all cases.  rt2860b
 509         NICReadEEPROMParameters(pAd, mac);
 510
 511         printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
 512
 513         NICInitAsicFromEEPROM(pAd); //rt2860b
 514
 515         // Set PHY to appropriate mode
 516         TmpPhy = pAd->CommonCfg.PhyMode;
 517         pAd->CommonCfg.PhyMode = 0xff;
 518         RTMPSetPhyMode(pAd, TmpPhy);
 519 #ifdef DOT11_N_SUPPORT
 520         SetCommonHT(pAd);
 521 #endif // DOT11_N_SUPPORT //
 522
 523         // No valid channels.
 524         if (pAd->ChannelListNum == 0)
 525         {
 526                 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
 527                 goto err4;
 528         }
 529
 530 #ifdef DOT11_N_SUPPORT
 531         printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
 532            pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
 533            pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
 534 #endif // DOT11_N_SUPPORT //
 535
 536 #ifdef IKANOS_VX_1X0
 537         VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
 538 #endif // IKANOS_VX_1X0 //
 539
 540                 //
 541         // Initialize RF register to default value
 542         //
 543         AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
 544         AsicLockChannel(pAd, pAd->CommonCfg.Channel);
 545
 546         // 8051 firmware require the signal during booting time.
 547         AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
 548
 549         if (pAd && (Status != NDIS_STATUS_SUCCESS))
 550         {
 551                 //
 552                 // Undo everything if it failed
 553                 //
 554                 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
 555                 {
 556                         RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
 557                 }
 558         }
 559         else if (pAd)
 560         {
 561                 // Microsoft HCT require driver send a disconnect event after driver initialization.
 562                 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
 563                 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
 564                 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
 565
 566
 567         }// end of else
 568
 569
 570         DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
 571
 572         return TRUE;
 573
 574
 575 err4:
 576 err3:
 577         MlmeHalt(pAd);
 578 err2:
 579         RTMPFreeTxRxRingMemory(pAd);
 580 err1:
 581
 582 #ifdef DOT11_N_SUPPORT
 583         os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
 584 #endif // DOT11_N_SUPPORT //
 585         RT28XX_IRQ_RELEASE(net_dev);
 586
 587         // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
 588         //net_dev->ml_priv = 0;
 589 #ifdef INF_AMAZON_SE
 590 err0:
 591 #endif // INF_AMAZON_SE //
 592         printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
 593         return FALSE;
 594 } /* End of rt28xx_init */
 595
 596
 597 /*
 598 ========================================================================
 599 Routine Description:
 600     Open raxx interface.
 601
 602 Arguments:
 603         *net_dev                        the raxx interface pointer
 604
 605 Return Value:
 606     0                                   Open OK
 607         otherwise                       Open Fail
 608
 609 Note:
 610 ========================================================================
 611 */
 612 int rt28xx_open(IN PNET_DEV dev)
 613 {
 614         struct net_device * net_dev = (struct net_device *)dev;
 615         PRTMP_ADAPTER pAd = net_dev->ml_priv;
 616         int retval = 0;
 617         POS_COOKIE pObj;
 618
 619
 620         // Sanity check for pAd
 621         if (pAd == NULL)
 622         {
 623                 /* if 1st open fail, pAd will be free;
 624                    So the net_dev->ml_priv will be NULL in 2rd open */
 625                 return -1;
 626         }
 627
 628 #ifdef CONFIG_APSTA_MIXED_SUPPORT
 629         if (pAd->OpMode == OPMODE_AP)
 630         {
 631                 CW_MAX_IN_BITS = 6;
 632         }
 633         else if (pAd->OpMode == OPMODE_STA)
 634         {
 635                 CW_MAX_IN_BITS = 10;
 636         }
 637
 638 #if WIRELESS_EXT >= 12
 639         if (net_dev->priv_flags == INT_MAIN)
 640         {
 641                 if (pAd->OpMode == OPMODE_AP)
 642                         net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_ap_iw_handler_def;
 643                 else if (pAd->OpMode == OPMODE_STA)
 644                         net_dev->wireless_handlers = (struct iw_handler_def *) &rt28xx_iw_handler_def;
 645         }
 646 #endif // WIRELESS_EXT >= 12 //
 647 #endif // CONFIG_APSTA_MIXED_SUPPORT //
 648
 649         // Init
 650         pObj = (POS_COOKIE)pAd->OS_Cookie;
 651
 652         // reset Adapter flags
 653         RTMP_CLEAR_FLAGS(pAd);
 654
 655         // Request interrupt service routine for PCI device
 656         // register the interrupt routine with the os
 657         RT28XX_IRQ_REQUEST(net_dev);
 658
 659
 660         // Init BssTab & ChannelInfo tabbles for auto channel select.
 661
 662
 663         // Chip & other init
 664         if (rt28xx_init(net_dev) == FALSE)
 665                 goto err;
 666
 667 #ifdef CONFIG_STA_SUPPORT
 668         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 669         {
 670                 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
 671                 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
 672         }
 673 #endif // CONFIG_STA_SUPPORT //
 674
 675         // Set up the Mac address
 676         NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
 677
 678         // Init IRQ parameters
 679         RT28XX_IRQ_INIT(pAd);
 680
 681         // Various AP function init
 682
 683 #ifdef CONFIG_STA_SUPPORT
 684         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 685         {
 686 #ifdef WPA_SUPPLICANT_SUPPORT
 687 #ifndef NATIVE_WPA_SUPPLICANT_SUPPORT
 688                 {
 689                         union iwreq_data    wrqu;
 690                         // send wireless event to wpa_supplicant for infroming interface down.
 691                         memset(&wrqu, 0, sizeof(wrqu));
 692                         wrqu.data.flags = RT_INTERFACE_UP;
 693                         wireless_send_event(pAd->net_dev, IWEVCUSTOM, &wrqu, NULL);
 694                 }
 695 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
 696 #endif // WPA_SUPPLICANT_SUPPORT //
 697
 698         }
 699 #endif // CONFIG_STA_SUPPORT //
 700
 701         // Enable Interrupt
 702         RT28XX_IRQ_ENABLE(pAd);
 703
 704         // Now Enable RxTx
 705         RTMPEnableRxTx(pAd);
 706         RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
 707
 708         {
 709         UINT32 reg = 0;
 710         RTMP_IO_READ32(pAd, 0x1300, &reg);  // clear garbage interrupts
 711         printk("0x1300 = %08x\n", reg);
 712         }
 713
 714 #ifdef CONFIG_STA_SUPPORT
 715         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 716         RTMPInitPCIeLinkCtrlValue(pAd);
 717 #endif // CONFIG_STA_SUPPORT //
 718
 719         return (retval);
 720
 721 err:
 722         return (-1);
 723 } /* End of rt28xx_open */
 724
 725
 726 /* Must not be called for mdev and apdev */
 727 static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
 728 {
 729         NDIS_STATUS Status;
 730         INT     i=0;
 731         CHAR    slot_name[IFNAMSIZ];
 732         struct net_device   *device;
 733
 734
 735         //ether_setup(dev);
 736         dev->hard_start_xmit = rt28xx_send_packets;
 737
 738 #ifdef IKANOS_VX_1X0
 739         dev->hard_start_xmit = IKANOS_DataFramesTx;
 740 #endif // IKANOS_VX_1X0 //
 741
 742 #ifdef CONFIG_STA_SUPPORT
 743 #if WIRELESS_EXT >= 12
 744         if (pAd->OpMode == OPMODE_STA)
 745         {
 746                 dev->wireless_handlers = &rt28xx_iw_handler_def;
 747         }
 748 #endif //WIRELESS_EXT >= 12
 749 #endif // CONFIG_STA_SUPPORT //
 750
 751 #ifdef CONFIG_APSTA_MIXED_SUPPORT
 752 #if WIRELESS_EXT >= 12
 753         if (pAd->OpMode == OPMODE_AP)
 754         {
 755                 dev->wireless_handlers = &rt28xx_ap_iw_handler_def;
 756         }
 757 #endif //WIRELESS_EXT >= 12
 758 #endif // CONFIG_APSTA_MIXED_SUPPORT //
 759
 760 #if WIRELESS_EXT < 21
 761                 dev->get_wireless_stats = rt28xx_get_wireless_stats;
 762 #endif
 763         dev->get_stats = RT28xx_get_ether_stats;
 764         dev->open = MainVirtualIF_open; //rt28xx_open;
 765         dev->stop = MainVirtualIF_close; //rt28xx_close;
 766         dev->priv_flags = INT_MAIN;
 767         dev->do_ioctl = rt28xx_ioctl;
 768         dev->validate_addr = NULL;
 769         // find available device name
 770         for (i = 0; i < 8; i++)
 771         {
 772 #ifdef MULTIPLE_CARD_SUPPORT
 773                 if (pAd->MC_RowID >= 0)
 774                         sprintf(slot_name, "ra%02d_%d", pAd->MC_RowID, i);
 775                 else
 776 #endif // MULTIPLE_CARD_SUPPORT //
 777                 sprintf(slot_name, "ra%d", i);
 778
 779                 device = dev_get_by_name(dev_net(dev), slot_name);
 780                 if (device != NULL)
 781                         dev_put(device);
 782
 783                 if (device == NULL)
 784                         break;
 785         }
 786
 787         if(i == 8)
 788         {
 789                 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
 790                 Status = NDIS_STATUS_FAILURE;
 791         }
 792         else
 793         {
 794 #ifdef MULTIPLE_CARD_SUPPORT
 795                 if (pAd->MC_RowID >= 0)
 796                 sprintf(dev->name, "ra%02d_%d", pAd->MC_RowID, i);
 797                 else
 798 #endif // MULTIPLE_CARD_SUPPORT //
 799                 sprintf(dev->name, "ra%d", i);
 800                 Status = NDIS_STATUS_SUCCESS;
 801         }
 802
 803         return Status;
 804
 805 }
 806
 807
 808 #ifdef MULTIPLE_CARD_SUPPORT
 809 /*
 810 ========================================================================
 811 Routine Description:
 812     Get card profile path.
 813
 814 Arguments:
 815     pAd
 816
 817 Return Value:
 818     TRUE                - Find a card profile
 819         FALSE           - use default profile
 820
 821 Note:
 822 ========================================================================
 823 */
 824 extern INT RTMPGetKeyParameter(
 825     IN  PCHAR   key,
 826     OUT PCHAR   dest,
 827     IN  INT     destsize,
 828     IN  PCHAR   buffer);
 829
 830 BOOLEAN RTMP_CardInfoRead(
 831         IN      PRTMP_ADAPTER pAd)
 832 {
 833 #define MC_SELECT_CARDID                0       /* use CARD ID (0 ~ 31) to identify different cards */
 834 #define MC_SELECT_MAC                   1       /* use CARD MAC to identify different cards */
 835 #define MC_SELECT_CARDTYPE              2       /* use CARD type (abgn or bgn) to identify different cards */
 836
 837 #define LETTER_CASE_TRANSLATE(txt_p, card_id)                   \
 838         {       UINT32 _len; char _char;                                                \
 839                 for(_len=0; _len<strlen(card_id); _len++) {             \
 840                         _char = *(txt_p + _len);                                        \
 841                         if (('A' <= _char) && (_char <= 'Z'))           \
 842                                 *(txt_p+_len) = 'a'+(_char-'A');                \
 843                 } }
 844
 845         struct file *srcf;
 846         INT retval, orgfsuid, orgfsgid;
 847         mm_segment_t orgfs;
 848         CHAR *buffer, *tmpbuf, card_id_buf[30], RFIC_word[30];
 849         BOOLEAN flg_match_ok = FALSE;
 850         INT32 card_select_method;
 851         INT32 card_free_id, card_nouse_id, card_same_mac_id, card_match_id;
 852         EEPROM_ANTENNA_STRUC antenna;
 853         USHORT addr01, addr23, addr45;
 854         UINT8 mac[6];
 855         UINT32 data, card_index;
 856         UCHAR *start_ptr;
 857
 858
 859         // init
 860         buffer = kmalloc(MAX_INI_BUFFER_SIZE, MEM_ALLOC_FLAG);
 861         if (buffer == NULL)
 862         return FALSE;
 863
 864         tmpbuf = kmalloc(MAX_PARAM_BUFFER_SIZE, MEM_ALLOC_FLAG);
 865         if(tmpbuf == NULL)
 866         {
 867                 kfree(buffer);
 868         return NDIS_STATUS_FAILURE;
 869         }
 870
 871         orgfsuid = current->fsuid;
 872         orgfsgid = current->fsgid;
 873         current->fsuid = current->fsgid = 0;
 874     orgfs = get_fs();
 875     set_fs(KERNEL_DS);
 876
 877         // get RF IC type
 878         RTMP_IO_READ32(pAd, E2PROM_CSR, &data);
 879
 880         if ((data & 0x30) == 0)
 881                 pAd->EEPROMAddressNum = 6;      // 93C46
 882         else if ((data & 0x30) == 0x10)
 883                 pAd->EEPROMAddressNum = 8;      // 93C66
 884         else
 885                 pAd->EEPROMAddressNum = 8;      // 93C86
 886
 887         RT28xx_EEPROM_READ16(pAd, EEPROM_NIC1_OFFSET, antenna.word);
 888
 889         if ((antenna.field.RfIcType == RFIC_2850) ||
 890                 (antenna.field.RfIcType == RFIC_2750))
 891         {
 892                 /* ABGN card */
 893                 strcpy(RFIC_word, "abgn");
 894         }
 895         else
 896         {
 897                 /* BGN card */
 898                 strcpy(RFIC_word, "bgn");
 899         }
 900
 901         // get MAC address
 902         RT28xx_EEPROM_READ16(pAd, 0x04, addr01);
 903         RT28xx_EEPROM_READ16(pAd, 0x06, addr23);
 904         RT28xx_EEPROM_READ16(pAd, 0x08, addr45);
 905
 906         mac[0] = (UCHAR)(addr01 & 0xff);
 907         mac[1] = (UCHAR)(addr01 >> 8);
 908         mac[2] = (UCHAR)(addr23 & 0xff);
 909         mac[3] = (UCHAR)(addr23 >> 8);
 910         mac[4] = (UCHAR)(addr45 & 0xff);
 911         mac[5] = (UCHAR)(addr45 >> 8);
 912
 913         // open card information file
 914         srcf = filp_open(CARD_INFO_PATH, O_RDONLY, 0);
 915         if (IS_ERR(srcf))
 916         {
 917                 /* card information file does not exist */
 918                         DBGPRINT(RT_DEBUG_TRACE,
 919                                 ("--> Error %ld opening %s\n", -PTR_ERR(srcf), CARD_INFO_PATH));
 920                 return FALSE;
 921         }
 922
 923         if (srcf->f_op && srcf->f_op->read)
 924         {
 925                 /* card information file exists so reading the card information */
 926                 memset(buffer, 0x00, MAX_INI_BUFFER_SIZE);
 927                 retval = srcf->f_op->read(srcf, buffer, MAX_INI_BUFFER_SIZE, &srcf->f_pos);
 928                 if (retval < 0)
 929                 {
 930                         /* read fail */
 931                                 DBGPRINT(RT_DEBUG_TRACE,
 932                                         ("--> Read %s error %d\n", CARD_INFO_PATH, -retval));
 933                 }
 934                 else
 935                 {
 936                         /* get card selection method */
 937                         memset(tmpbuf, 0x00, MAX_PARAM_BUFFER_SIZE);
 938                         card_select_method = MC_SELECT_CARDTYPE; // default
 939
 940                         if (RTMPGetKeyParameter("SELECT", tmpbuf, 256, buffer))
 941                         {
 942                                 if (strcmp(tmpbuf, "CARDID") == 0)
 943                                         card_select_method = MC_SELECT_CARDID;
 944                                 else if (strcmp(tmpbuf, "MAC") == 0)
 945                                         card_select_method = MC_SELECT_MAC;
 946                                 else if (strcmp(tmpbuf, "CARDTYPE") == 0)
 947                                         card_select_method = MC_SELECT_CARDTYPE;
 948                         }
 949
 950                         DBGPRINT(RT_DEBUG_TRACE,
 951                                         ("MC> Card Selection = %d\n", card_select_method));
 952
 953                         // init
 954                         card_free_id = -1;
 955                         card_nouse_id = -1;
 956                         card_same_mac_id = -1;
 957                         card_match_id = -1;
 958
 959                         // search current card information records
 960                         for(card_index=0;
 961                                 card_index<MAX_NUM_OF_MULTIPLE_CARD;
 962                                 card_index++)
 963                         {
 964                                 if ((*(UINT32 *)&MC_CardMac[card_index][0] == 0) &&
 965                                         (*(UINT16 *)&MC_CardMac[card_index][4] == 0))
 966                                 {
 967                                         // MAC is all-0 so the entry is available
 968                                         MC_CardUsed[card_index] = 0;
 969
 970                                         if (card_free_id < 0)
 971                                                 card_free_id = card_index; // 1st free entry
 972                                 }
 973                                 else
 974                                 {
 975                                         if (memcmp(MC_CardMac[card_index], mac, 6) == 0)
 976                                         {
 977                                                 // we find the entry with same MAC
 978                                                 if (card_same_mac_id < 0)
 979                                                         card_same_mac_id = card_index; // 1st same entry
 980                                         }
 981                                         else
 982                                         {
 983                                                 // MAC is not all-0 but used flag == 0
 984                                                 if ((MC_CardUsed[card_index] == 0) &&
 985                                                         (card_nouse_id < 0))
 986                                                 {
 987                                                         card_nouse_id = card_index; // 1st available entry
 988                                                 }
 989                                         }
 990                                 }
 991                         }
 992
 993                         DBGPRINT(RT_DEBUG_TRACE,
 994                                         ("MC> Free = %d, Same = %d, NOUSE = %d\n",
 995                                         card_free_id, card_same_mac_id, card_nouse_id));
 996
 997                         if ((card_same_mac_id >= 0) &&
 998                                 ((card_select_method == MC_SELECT_CARDID) ||
 999                                 (card_select_method == MC_SELECT_CARDTYPE)))
1000                         {
1001                                 // same MAC entry is found
1002                                 card_match_id = card_same_mac_id;
1003
1004                                 if (card_select_method == MC_SELECT_CARDTYPE)
1005                                 {
1006                                         // for CARDTYPE
1007                                         sprintf(card_id_buf, "%02dCARDTYPE%s",
1008                                                         card_match_id, RFIC_word);
1009
1010                                         if ((start_ptr=rtstrstruncasecmp(buffer, card_id_buf)) != NULL)
1011                                         {
1012                                                 // we found the card ID
1013                                                 LETTER_CASE_TRANSLATE(start_ptr, card_id_buf);
1014                                         }
1015                                 }
1016                         }
1017                         else
1018                         {
1019                                 // the card is 1st plug-in, try to find the match card profile
1020                                 switch(card_select_method)
1021                                 {
1022                                         case MC_SELECT_CARDID: // CARDID
1023                                         default:
1024                                                 if (card_free_id >= 0)
1025                                                         card_match_id = card_free_id;
1026                                                 else
1027                                                         card_match_id = card_nouse_id;
1028                                                 break;
1029
1030                                         case MC_SELECT_MAC: // MAC
1031                                                 sprintf(card_id_buf, "MAC%02x:%02x:%02x:%02x:%02x:%02x",
1032                                                                 mac[0], mac[1], mac[2],
1033                                                                 mac[3], mac[4], mac[5]);
1034
1035                                                 /* try to find the key word in the card file */
1036                                                 if ((start_ptr=rtstrstruncasecmp(buffer, card_id_buf)) != NULL)
1037                                                 {
1038                                                         LETTER_CASE_TRANSLATE(start_ptr, card_id_buf);
1039
1040                                                         /* get the row ID (2 ASCII characters) */
1041                                                         start_ptr -= 2;
1042                                                         card_id_buf[0] = *(start_ptr);
1043                                                         card_id_buf[1] = *(start_ptr+1);
1044                                                         card_id_buf[2] = 0x00;
1045
1046                                                         card_match_id = simple_strtol(card_id_buf, 0, 10);
1047                                                 }
1048                                                 break;
1049
1050                                         case MC_SELECT_CARDTYPE: // CARDTYPE
1051                                                 card_nouse_id = -1;
1052
1053                                                 for(card_index=0;
1054                                                         card_index<MAX_NUM_OF_MULTIPLE_CARD;
1055                                                         card_index++)
1056                                                 {
1057                                                         sprintf(card_id_buf, "%02dCARDTYPE%s",
1058                                                                         card_index, RFIC_word);
1059
1060                                                         if ((start_ptr=rtstrstruncasecmp(buffer,
1061                                                                                                                 card_id_buf)) != NULL)
1062                                                         {
1063                                                                 LETTER_CASE_TRANSLATE(start_ptr, card_id_buf);
1064
1065                                                                 if (MC_CardUsed[card_index] == 0)
1066                                                                 {
1067                                                                         /* current the card profile is not used */
1068                                                                         if ((*(UINT32 *)&MC_CardMac[card_index][0] == 0) &&
1069                                                                                 (*(UINT16 *)&MC_CardMac[card_index][4] == 0))
1070                                                                         {
1071                                                                                 // find it and no previous card use it
1072                                                                                 card_match_id = card_index;
1073                                                                                 break;
1074                                                                         }
1075                                                                         else
1076                                                                         {
1077                                                                                 // ever a card use it
1078                                                                                 if (card_nouse_id < 0)
1079                                                                                         card_nouse_id = card_index;
1080                                                                         }
1081                                                                 }
1082                                                         }
1083                                                 }
1084
1085                                                 // if not find a free one, use the available one
1086                                                 if (card_match_id < 0)
1087                                                         card_match_id = card_nouse_id;
1088                                                 break;
1089                                 }
1090                         }
1091
1092                         if (card_match_id >= 0)
1093                         {
1094                                 // make up search keyword
1095                                 switch(card_select_method)
1096                                 {
1097                                         case MC_SELECT_CARDID: // CARDID
1098                                                 sprintf(card_id_buf, "%02dCARDID", card_match_id);
1099                                                 break;
1100
1101                                         case MC_SELECT_MAC: // MAC
1102                                                 sprintf(card_id_buf,
1103                                                                 "%02dmac%02x:%02x:%02x:%02x:%02x:%02x",
1104                                                                 card_match_id,
1105                                                                 mac[0], mac[1], mac[2],
1106                                                                 mac[3], mac[4], mac[5]);
1107                                                 break;
1108
1109                                         case MC_SELECT_CARDTYPE: // CARDTYPE
1110                                         default:
1111                                                 sprintf(card_id_buf, "%02dcardtype%s",
1112                                                                 card_match_id, RFIC_word);
1113                                                 break;
1114                                 }
1115
1116                                 DBGPRINT(RT_DEBUG_TRACE, ("Search Keyword = %s\n", card_id_buf));
1117
1118                                 // read card file path
1119                                 if (RTMPGetKeyParameter(card_id_buf, tmpbuf, 256, buffer))
1120                                 {
1121                                         if (strlen(tmpbuf) < sizeof(pAd->MC_FileName))
1122                                         {
1123                                                 // backup card information
1124                                                 pAd->MC_RowID = card_match_id; /* base 0 */
1125                                                 MC_CardUsed[card_match_id] = 1;
1126                                                 memcpy(MC_CardMac[card_match_id], mac, sizeof(mac));
1127
1128                                                 // backup card file path
1129                                                 NdisMoveMemory(pAd->MC_FileName, tmpbuf , strlen(tmpbuf));
1130                                                 pAd->MC_FileName[strlen(tmpbuf)] = '\0';
1131                                                 flg_match_ok = TRUE;
1132
1133                                                 DBGPRINT(RT_DEBUG_TRACE,
1134                                                                 ("Card Profile Name = %s\n", pAd->MC_FileName));
1135                                         }
1136                                         else
1137                                         {
1138                                                 DBGPRINT(RT_DEBUG_ERROR,
1139                                                                 ("Card Profile Name length too large!\n"));
1140                                         }
1141                                 }
1142                                 else
1143                                 {
1144                                         DBGPRINT(RT_DEBUG_ERROR,
1145                                                         ("Can not find search key word in card.dat!\n"));
1146                                 }
1147
1148                                 if ((flg_match_ok != TRUE) &&
1149                                         (card_match_id < MAX_NUM_OF_MULTIPLE_CARD))
1150                                 {
1151                                         MC_CardUsed[card_match_id] = 0;
1152                                         memset(MC_CardMac[card_match_id], 0, sizeof(mac));
1153                                 }
1154                         } // if (card_match_id >= 0)
1155                 }
1156         }
1157
1158         // close file
1159         retval = filp_close(srcf, NULL);
1160         set_fs(orgfs);
1161         current->fsuid = orgfsuid;
1162         current->fsgid = orgfsgid;
1163         kfree(buffer);
1164         kfree(tmpbuf);
1165         return flg_match_ok;
1166 }
1167 #endif // MULTIPLE_CARD_SUPPORT //
1168
1169
1170 /*
1171 ========================================================================
1172 Routine Description:
1173     Probe RT28XX chipset.
1174
1175 Arguments:
1176     _dev_p                              Point to the PCI or USB device
1177         _dev_id_p                       Point to the PCI or USB device ID
1178
1179 Return Value:
1180     0                                   Probe OK
1181         -ENODEV                         Probe Fail
1182
1183 Note:
1184 ========================================================================
1185 */
1186 INT __devinit   rt28xx_probe(
1187     IN  void *_dev_p,
1188     IN  void *_dev_id_p,
1189         IN  UINT argc,
1190         OUT PRTMP_ADAPTER *ppAd)
1191 {
1192     struct  net_device  *net_dev;
1193     PRTMP_ADAPTER       pAd = (PRTMP_ADAPTER) NULL;
1194     INT                 status;
1195         PVOID                           handle;
1196         struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
1197
1198
1199 #ifdef CONFIG_STA_SUPPORT
1200     DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
1201 #endif // CONFIG_STA_SUPPORT //
1202
1203     net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
1204     if (net_dev == NULL)
1205     {
1206         printk("alloc_netdev failed\n");
1207
1208         goto err_out;
1209     }
1210
1211         netif_stop_queue(net_dev);
1212 #ifdef NATIVE_WPA_SUPPLICANT_SUPPORT
1213 /* for supporting Network Manager */
1214 /* Set the sysfs physical device reference for the network logical device
1215  * if set prior to registration will cause a symlink during initialization.
1216  */
1217     SET_NETDEV_DEV(net_dev, &(dev_p->dev));
1218 #endif // NATIVE_WPA_SUPPLICANT_SUPPORT //
1219
1220         // Allocate RTMP_ADAPTER miniport adapter structure
1221         handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
1222         RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
1223
1224         status = RTMPAllocAdapterBlock(handle, &pAd);
1225         if (status != NDIS_STATUS_SUCCESS)
1226                 goto err_out_free_netdev;
1227
1228         net_dev->ml_priv = (PVOID)pAd;
1229     pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
1230
1231         RT28XXNetDevInit(_dev_p, net_dev, pAd);
1232
1233 #ifdef CONFIG_STA_SUPPORT
1234     pAd->StaCfg.OriDevType = net_dev->type;
1235 #endif // CONFIG_STA_SUPPORT //
1236
1237         // Post config
1238         if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
1239                 goto err_out_unmap;
1240
1241 #ifdef CONFIG_STA_SUPPORT
1242         pAd->OpMode = OPMODE_STA;
1243 #endif // CONFIG_STA_SUPPORT //
1244
1245
1246 #ifdef MULTIPLE_CARD_SUPPORT
1247         // find its profile path
1248         pAd->MC_RowID = -1; // use default profile path
1249         RTMP_CardInfoRead(pAd);
1250
1251         if (pAd->MC_RowID == -1)
1252 #ifdef CONFIG_STA_SUPPORT
1253                 strcpy(pAd->MC_FileName, STA_PROFILE_PATH);
1254 #endif // CONFIG_STA_SUPPORT //
1255
1256         DBGPRINT(RT_DEBUG_TRACE,
1257                         ("MC> ROW = %d, PATH = %s\n", pAd->MC_RowID, pAd->MC_FileName));
1258 #endif // MULTIPLE_CARD_SUPPORT //
1259
1260         // sample move
1261         if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
1262                 goto err_out_unmap;
1263
1264     // Register this device
1265     status = register_netdev(net_dev);
1266     if (status)
1267         goto err_out_unmap;
1268
1269     // Set driver data
1270         RT28XX_DRVDATA_SET(_dev_p);
1271
1272         *ppAd = pAd;
1273     return 0; // probe ok
1274
1275
1276         /* --------------------------- ERROR HANDLE --------------------------- */
1277 err_out_unmap:
1278         RTMPFreeAdapter(pAd);
1279         RT28XX_UNMAP();
1280
1281 err_out_free_netdev:
1282         free_netdev(net_dev);
1283
1284 err_out:
1285         RT28XX_PUT_DEVICE(dev_p);
1286
1287         return -ENODEV; /* probe fail */
1288 } /* End of rt28xx_probe */
1289
1290
1291 /*
1292 ========================================================================
1293 Routine Description:
1294     The entry point for Linux kernel sent packet to our driver.
1295
1296 Arguments:
1297     sk_buff *skb                the pointer refer to a sk_buffer.
1298
1299 Return Value:
1300     0
1301
1302 Note:
1303         This function is the entry point of Tx Path for Os delivery packet to
1304         our driver. You only can put OS-depened & STA/AP common handle procedures
1305         in here.
1306 ========================================================================
1307 */
1308 int rt28xx_packet_xmit(struct sk_buff *skb)
1309 {
1310         struct net_device *net_dev = skb->dev;
1311         PRTMP_ADAPTER pAd = net_dev->ml_priv;
1312         int status = 0;
1313         PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
1314
1315         /* RT2870STA does this in RTMPSendPackets() */
1316 #ifdef RALINK_ATE
1317         if (ATE_ON(pAd))
1318         {
1319                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_RESOURCES);
1320                 return 0;
1321         }
1322 #endif // RALINK_ATE //
1323
1324 #ifdef CONFIG_STA_SUPPORT
1325         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1326         {
1327                 // Drop send request since we are in monitor mode
1328                 if (MONITOR_ON(pAd))
1329                 {
1330                         RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
1331                         goto done;
1332                 }
1333         }
1334 #endif // CONFIG_STA_SUPPORT //
1335
1336         // EapolStart size is 18
1337         if (skb->len < 14)
1338         {
1339                 //printk("bad packet size: %d\n", pkt->len);
1340                 hex_dump("bad packet", skb->data, skb->len);
1341                 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
1342                 goto done;
1343         }
1344
1345         RTMP_SET_PACKET_5VT(pPacket, 0);
1346 #ifdef CONFIG_5VT_ENHANCE
1347     if (*(int*)(skb->cb) == BRIDGE_TAG) {
1348                 RTMP_SET_PACKET_5VT(pPacket, 1);
1349     }
1350 #endif
1351
1352
1353
1354 #ifdef CONFIG_STA_SUPPORT
1355         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1356         {
1357
1358                 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
1359         }
1360
1361 #endif // CONFIG_STA_SUPPORT //
1362
1363         status = 0;
1364 done:
1365
1366         return status;
1367 }
1368
1369
1370 /*
1371 ========================================================================
1372 Routine Description:
1373     Send a packet to WLAN.
1374
1375 Arguments:
1376     skb_p           points to our adapter
1377     dev_p           which WLAN network interface
1378
1379 Return Value:
1380     0: transmit successfully
1381     otherwise: transmit fail
1382
1383 Note:
1384 ========================================================================
1385 */
1386 INT rt28xx_send_packets(
1387         IN struct sk_buff               *skb_p,
1388         IN struct net_device    *net_dev)
1389 {
1390     RTMP_ADAPTER *pAd = net_dev->ml_priv;
1391         if (!(net_dev->flags & IFF_UP))
1392         {
1393                 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
1394                 return 0;
1395         }
1396
1397         NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
1398         RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
1399
1400         return rt28xx_packet_xmit(skb_p);
1401
1402 } /* End of MBSS_VirtualIF_PacketSend */
1403
1404
1405
1406
1407 void CfgInitHook(PRTMP_ADAPTER pAd)
1408 {
1409         pAd->bBroadComHT = TRUE;
1410 } /* End of CfgInitHook */
1411
1412
1413 #if WIRELESS_EXT >= 12
1414 // This function will be called when query /proc
1415 struct iw_statistics *rt28xx_get_wireless_stats(
1416     IN struct net_device *net_dev)
1417 {
1418         PRTMP_ADAPTER pAd = net_dev->ml_priv;
1419
1420
1421         DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
1422
1423         pAd->iw_stats.status = 0; // Status - device dependent for now
1424
1425         // link quality
1426         pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
1427         if(pAd->iw_stats.qual.qual > 100)
1428                 pAd->iw_stats.qual.qual = 100;
1429
1430 #ifdef CONFIG_STA_SUPPORT
1431         if (pAd->OpMode == OPMODE_STA)
1432                 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
1433 #endif // CONFIG_STA_SUPPORT //
1434
1435         pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
1436
1437         pAd->iw_stats.qual.noise += 256 - 143;
1438         pAd->iw_stats.qual.updated = 1;     // Flags to know if updated
1439 #ifdef IW_QUAL_DBM
1440         pAd->iw_stats.qual.updated |= IW_QUAL_DBM;      // Level + Noise are dBm
1441 #endif // IW_QUAL_DBM //
1442
1443         pAd->iw_stats.discard.nwid = 0;     // Rx : Wrong nwid/essid
1444         pAd->iw_stats.miss.beacon = 0;      // Missed beacons/superframe
1445
1446         DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
1447         return &pAd->iw_stats;
1448 } /* End of rt28xx_get_wireless_stats */
1449 #endif // WIRELESS_EXT //
1450
1451
1452
1453 void tbtt_tasklet(unsigned long data)
1454 {
1455 #define MAX_TX_IN_TBTT          (16)
1456
1457 }
1458
1459 INT rt28xx_ioctl(
1460         IN      struct net_device       *net_dev,
1461         IN      OUT     struct ifreq    *rq,
1462         IN      INT                                     cmd)
1463 {
1464         VIRTUAL_ADAPTER *pVirtualAd = NULL;
1465         RTMP_ADAPTER    *pAd = NULL;
1466         INT                             ret = 0;
1467
1468         if (net_dev->priv_flags == INT_MAIN)
1469         {
1470                 pAd = net_dev->ml_priv;
1471         }
1472         else
1473         {
1474                 pVirtualAd = net_dev->ml_priv;
1475                 pAd = pVirtualAd->RtmpDev->ml_priv;
1476         }
1477
1478         if (pAd == NULL)
1479         {
1480                 /* if 1st open fail, pAd will be free;
1481                    So the net_dev->ml_priv will be NULL in 2rd open */
1482                 return -ENETDOWN;
1483         }
1484
1485
1486 #ifdef CONFIG_STA_SUPPORT
1487         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1488         {
1489                 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
1490         }
1491 #endif // CONFIG_STA_SUPPORT //
1492
1493         return ret;
1494 }
1495
1496 /*
1497     ========================================================================
1498
1499     Routine Description:
1500         return ethernet statistics counter
1501
1502     Arguments:
1503         net_dev                     Pointer to net_device
1504
1505     Return Value:
1506         net_device_stats*
1507
1508     Note:
1509
1510     ========================================================================
1511 */
1512 struct net_device_stats *RT28xx_get_ether_stats(
1513     IN  struct net_device *net_dev)
1514 {
1515     RTMP_ADAPTER *pAd = NULL;
1516
1517         if (net_dev)
1518                 pAd = net_dev->ml_priv;
1519
1520         if (pAd)
1521         {
1522
1523                 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1524                 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1525
1526                 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1527                 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1528
1529                 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1530                 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1531
1532                 pAd->stats.rx_dropped = 0;
1533                 pAd->stats.tx_dropped = 0;
1534
1535             pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart;   // multicast packets received
1536             pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions;  // Collision packets
1537
1538             pAd->stats.rx_length_errors = 0;
1539             pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer;                   // receiver ring buff overflow
1540             pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount;     // recved pkt with crc error
1541             pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors;          // recv'd frame alignment error
1542             pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer;                   // recv'r fifo overrun
1543             pAd->stats.rx_missed_errors = 0;                                            // receiver missed packet
1544
1545             // detailed tx_errors
1546             pAd->stats.tx_aborted_errors = 0;
1547             pAd->stats.tx_carrier_errors = 0;
1548             pAd->stats.tx_fifo_errors = 0;
1549             pAd->stats.tx_heartbeat_errors = 0;
1550             pAd->stats.tx_window_errors = 0;
1551
1552             // for cslip etc
1553             pAd->stats.rx_compressed = 0;
1554             pAd->stats.tx_compressed = 0;
1555
1556                 return &pAd->stats;
1557         }
1558         else
1559         return NULL;
1560 }
1561