drivers/staging/vt6656/main_usb.c

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: main_usb.c
  20  *
  21  * Purpose: driver entry for initial, open, close, tx and rx.
  22  *
  23  * Author: Lyndon Chen
  24  *
  25  * Date: Dec 8, 2005
  26  *
  27  * Functions:
  28  *
  29  *   vt6656_probe - module initial (insmod) driver entry
  30  *   device_remove1 - module remove entry
  31  *   device_open - allocate dma/descripter resource & initial mac/bbp function
  32  *   device_xmit - asynchronous data tx function
  33  *   device_set_multi - set mac filter
  34  *   device_ioctl - ioctl entry
  35  *   device_close - shutdown mac/bbp & free dma/descriptor resource
  36  *   device_alloc_frag_buf - rx fragement pre-allocated function
  37  *   device_free_tx_bufs - free tx buffer function
  38  *   device_dma0_tx_80211- tx 802.11 frame via dma0
  39  *   device_dma0_xmit- tx PS buffered frame via dma0
  40  *   device_init_registers- initial MAC & BBP & RF internal registers.
  41  *   device_init_rings- initial tx/rx ring buffer
  42  *   device_init_defrag_cb- initial & allocate de-fragement buffer.
  43  *   device_tx_srv- tx interrupt service function
  44  *
  45  * Revision History:
  46  */
  47 #undef __NO_VERSION__
  48
  49 #include <linux/file.h>
  50 #include "device.h"
  51 #include "card.h"
  52 #include "baseband.h"
  53 #include "mac.h"
  54 #include "tether.h"
  55 #include "wmgr.h"
  56 #include "wctl.h"
  57 #include "power.h"
  58 #include "wcmd.h"
  59 #include "iocmd.h"
  60 #include "tcrc.h"
  61 #include "rxtx.h"
  62 #include "bssdb.h"
  63 #include "hostap.h"
  64 #include "wpactl.h"
  65 #include "iwctl.h"
  66 #include "dpc.h"
  67 #include "datarate.h"
  68 #include "rf.h"
  69 #include "firmware.h"
  70 #include "rndis.h"
  71 #include "control.h"
  72 #include "channel.h"
  73 #include "int.h"
  74 #include "iowpa.h"
  75
  76 /* static int msglevel = MSG_LEVEL_DEBUG; */
  77 static int          msglevel                =MSG_LEVEL_INFO;
  78
  79 /*
  80  * define module options
  81  */
  82
  83 /* version information */
  84 #define DRIVER_AUTHOR \
  85         "VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>"
  86 MODULE_AUTHOR(DRIVER_AUTHOR);
  87 MODULE_LICENSE("GPL");
  88 MODULE_DESCRIPTION(DEVICE_FULL_DRV_NAM);
  89
  90 #define DEVICE_PARAM(N,D) \
  91         static int N[MAX_UINTS]=OPTION_DEFAULT;\
  92         module_param_array(N, int, NULL, 0);\
  93         MODULE_PARM_DESC(N, D);
  94
  95 #define RX_DESC_DEF0     64
  96 DEVICE_PARAM(RxDescriptors0,"Number of receive usb desc buffer");
  97
  98 #define TX_DESC_DEF0     64
  99 DEVICE_PARAM(TxDescriptors0,"Number of transmit usb desc buffer");
 100
 101 #define CHANNEL_DEF     6
 102 DEVICE_PARAM(Channel, "Channel number");
 103
 104 /* PreambleType[] is the preamble length used for transmit.
 105    0: indicate allows long preamble type
 106    1: indicate allows short preamble type
 107 */
 108
 109 #define PREAMBLE_TYPE_DEF     1
 110
 111 DEVICE_PARAM(PreambleType, "Preamble Type");
 112
 113 #define RTS_THRESH_DEF     2347
 114 DEVICE_PARAM(RTSThreshold, "RTS threshold");
 115
 116 #define FRAG_THRESH_DEF     2346
 117 DEVICE_PARAM(FragThreshold, "Fragmentation threshold");
 118
 119 #define DATA_RATE_DEF     13
 120 /* datarate[] index
 121    0: indicate 1 Mbps   0x02
 122    1: indicate 2 Mbps   0x04
 123    2: indicate 5.5 Mbps 0x0B
 124    3: indicate 11 Mbps  0x16
 125    4: indicate 6 Mbps   0x0c
 126    5: indicate 9 Mbps   0x12
 127    6: indicate 12 Mbps  0x18
 128    7: indicate 18 Mbps  0x24
 129    8: indicate 24 Mbps  0x30
 130    9: indicate 36 Mbps  0x48
 131   10: indicate 48 Mbps  0x60
 132   11: indicate 54 Mbps  0x6c
 133   12: indicate 72 Mbps  0x90
 134   13: indicate auto rate
 135 */
 136
 137 DEVICE_PARAM(ConnectionRate, "Connection data rate");
 138
 139 #define OP_MODE_DEF     0
 140 DEVICE_PARAM(OPMode, "Infrastruct, adhoc, AP mode ");
 141
 142 /* OpMode[] is used for transmit.
 143    0: indicate infrastruct mode used
 144    1: indicate adhoc mode used
 145    2: indicate AP mode used
 146 */
 147
 148 /* PSMode[]
 149    0: indicate disable power saving mode
 150    1: indicate enable power saving mode
 151 */
 152
 153 #define PS_MODE_DEF     0
 154 DEVICE_PARAM(PSMode, "Power saving mode");
 155
 156 #define SHORT_RETRY_DEF     8
 157 DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits");
 158
 159 #define LONG_RETRY_DEF     4
 160 DEVICE_PARAM(LongRetryLimit, "long frame retry limits");
 161
 162 /* BasebandType[] baseband type selected
 163    0: indicate 802.11a type
 164    1: indicate 802.11b type
 165    2: indicate 802.11g type
 166 */
 167
 168 #define BBP_TYPE_DEF     2
 169 DEVICE_PARAM(BasebandType, "baseband type");
 170
 171 /* 80211hEnable[]
 172    0: indicate disable 802.11h
 173    1: indicate enable 802.11h
 174 */
 175
 176 #define X80211h_MODE_DEF     0
 177
 178 DEVICE_PARAM(b80211hEnable, "802.11h mode");
 179
 180 /*
 181  * Static vars definitions
 182  */
 183
 184 static struct usb_device_id vt6656_table[] = {
 185         {USB_DEVICE(VNT_USB_VENDOR_ID, VNT_USB_PRODUCT_ID)},
 186         {}
 187 };
 188
 189 /* frequency list (map channels to frequencies) */
 190 /*
 191 static const long frequency_list[] = {
 192     2412, 2417, 2422, 2427, 2432, 2437, 2442, 2447, 2452, 2457, 2462, 2467, 2472, 2484,
 193     4915, 4920, 4925, 4935, 4940, 4945, 4960, 4980,
 194     5035, 5040, 5045, 5055, 5060, 5080, 5170, 5180, 5190, 5200, 5210, 5220, 5230, 5240,
 195     5260, 5280, 5300, 5320, 5500, 5520, 5540, 5560, 5580, 5600, 5620, 5640, 5660, 5680,
 196     5700, 5745, 5765, 5785, 5805, 5825
 197         };
 198
 199 static const struct iw_handler_def      iwctl_handler_def;
 200 */
 201
 202 static int vt6656_probe(struct usb_interface *intf,
 203                         const struct usb_device_id *id);
 204 static void vt6656_disconnect(struct usb_interface *intf);
 205
 206 #ifdef CONFIG_PM        /* Minimal support for suspend and resume */
 207 static int vt6656_suspend(struct usb_interface *intf, pm_message_t message);
 208 static int vt6656_resume(struct usb_interface *intf);
 209 #endif /* CONFIG_PM */
 210
 211 static struct net_device_stats *device_get_stats(struct net_device *dev);
 212 static int  device_open(struct net_device *dev);
 213 static int  device_xmit(struct sk_buff *skb, struct net_device *dev);
 214 static void device_set_multi(struct net_device *dev);
 215 static int  device_close(struct net_device *dev);
 216 static int  device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 217
 218 static int device_init_registers(struct vnt_private *pDevice,
 219         DEVICE_INIT_TYPE InitType);
 220 static bool device_init_defrag_cb(struct vnt_private *pDevice);
 221 static void device_init_diversity_timer(struct vnt_private *pDevice);
 222 static int  device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev);
 223
 224 static int  ethtool_ioctl(struct net_device *dev, void *useraddr);
 225 static void device_free_tx_bufs(struct vnt_private *pDevice);
 226 static void device_free_rx_bufs(struct vnt_private *pDevice);
 227 static void device_free_int_bufs(struct vnt_private *pDevice);
 228 static void device_free_frag_bufs(struct vnt_private *pDevice);
 229 static bool device_alloc_bufs(struct vnt_private *pDevice);
 230
 231 static int Read_config_file(struct vnt_private *pDevice);
 232 static unsigned char *Config_FileOperation(struct vnt_private *pDevice);
 233 static int Config_FileGetParameter(unsigned char *string,
 234                                    unsigned char *dest,
 235                                    unsigned char *source);
 236
 237 static void usb_device_reset(struct vnt_private *pDevice);
 238
 239 static void
 240 device_set_options(struct vnt_private *pDevice) {
 241
 242     u8    abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 243     u8    abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
 244     u8 abySNAP_Bridgetunnel[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
 245
 246     memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
 247     memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN);
 248     memcpy(pDevice->abySNAP_Bridgetunnel, abySNAP_Bridgetunnel, ETH_ALEN);
 249
 250     pDevice->cbTD = TX_DESC_DEF0;
 251     pDevice->cbRD = RX_DESC_DEF0;
 252     pDevice->uChannel = CHANNEL_DEF;
 253     pDevice->wRTSThreshold = RTS_THRESH_DEF;
 254     pDevice->wFragmentationThreshold = FRAG_THRESH_DEF;
 255     pDevice->byShortRetryLimit = SHORT_RETRY_DEF;
 256     pDevice->byLongRetryLimit = LONG_RETRY_DEF;
 257     pDevice->wMaxTransmitMSDULifetime = DEFAULT_MSDU_LIFETIME;
 258     pDevice->byShortPreamble = PREAMBLE_TYPE_DEF;
 259     pDevice->ePSMode = PS_MODE_DEF;
 260     pDevice->b11hEnable = X80211h_MODE_DEF;
 261     pDevice->eOPMode = OP_MODE_DEF;
 262     pDevice->uConnectionRate = DATA_RATE_DEF;
 263     if (pDevice->uConnectionRate < RATE_AUTO) pDevice->bFixRate = true;
 264     pDevice->byBBType = BBP_TYPE_DEF;
 265     pDevice->byPacketType = pDevice->byBBType;
 266     pDevice->byAutoFBCtrl = AUTO_FB_0;
 267     pDevice->bUpdateBBVGA = true;
 268     pDevice->byFOETuning = 0;
 269     pDevice->byAutoPwrTunning = 0;
 270     pDevice->byPreambleType = 0;
 271     pDevice->bExistSWNetAddr = false;
 272     /* pDevice->bDiversityRegCtlON = true; */
 273     pDevice->bDiversityRegCtlON = false;
 274 }
 275
 276 static void device_init_diversity_timer(struct vnt_private *pDevice)
 277 {
 278     init_timer(&pDevice->TimerSQ3Tmax1);
 279     pDevice->TimerSQ3Tmax1.data = (unsigned long)pDevice;
 280     pDevice->TimerSQ3Tmax1.function = (TimerFunction)TimerSQ3CallBack;
 281     pDevice->TimerSQ3Tmax1.expires = RUN_AT(HZ);
 282
 283     init_timer(&pDevice->TimerSQ3Tmax2);
 284     pDevice->TimerSQ3Tmax2.data = (unsigned long)pDevice;
 285     pDevice->TimerSQ3Tmax2.function = (TimerFunction)TimerSQ3CallBack;
 286     pDevice->TimerSQ3Tmax2.expires = RUN_AT(HZ);
 287
 288     init_timer(&pDevice->TimerSQ3Tmax3);
 289     pDevice->TimerSQ3Tmax3.data = (unsigned long)pDevice;
 290     pDevice->TimerSQ3Tmax3.function = (TimerFunction)TimerSQ3Tmax3CallBack;
 291     pDevice->TimerSQ3Tmax3.expires = RUN_AT(HZ);
 292
 293     return;
 294 }
 295
 296 /*
 297  * initialization of MAC & BBP registers
 298  */
 299
 300 static int device_init_registers(struct vnt_private *pDevice,
 301         DEVICE_INIT_TYPE InitType)
 302 {
 303         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
 304         u8 abyBroadcastAddr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 305         u8 abySNAP_RFC1042[ETH_ALEN] = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00};
 306         u8 abySNAP_Bridgetunnel[ETH_ALEN]
 307                 = {0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8};
 308         u8 byAntenna;
 309         int ii;
 310         CMD_CARD_INIT sInitCmd;
 311         int ntStatus = STATUS_SUCCESS;
 312         RSP_CARD_INIT   sInitRsp;
 313         u8 byTmp;
 314         u8 byCalibTXIQ = 0, byCalibTXDC = 0, byCalibRXIQ = 0;
 315
 316     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---->INIbInitAdapter. [%d][%d]\n", InitType, pDevice->byPacketType);
 317         spin_lock_irq(&pDevice->lock);
 318         if (InitType == DEVICE_INIT_COLD) {
 319                 memcpy(pDevice->abyBroadcastAddr, abyBroadcastAddr, ETH_ALEN);
 320                 memcpy(pDevice->abySNAP_RFC1042, abySNAP_RFC1042, ETH_ALEN);
 321                 memcpy(pDevice->abySNAP_Bridgetunnel,
 322                        abySNAP_Bridgetunnel,
 323                        ETH_ALEN);
 324
 325         if ( !FIRMWAREbCheckVersion(pDevice) ) {
 326             if (FIRMWAREbDownload(pDevice) == true) {
 327                 if (FIRMWAREbBrach2Sram(pDevice) == false) {
 328                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" FIRMWAREbBrach2Sram fail \n");
 329                         spin_unlock_irq(&pDevice->lock);
 330                     return false;
 331                 }
 332             } else {
 333
 334                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" FIRMWAREbDownload fail \n");
 335                 spin_unlock_irq(&pDevice->lock);
 336                 return false;
 337             }
 338         }
 339
 340         if ( !BBbVT3184Init(pDevice) ) {
 341             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" BBbVT3184Init fail \n");
 342             spin_unlock_irq(&pDevice->lock);
 343             return false;
 344         }
 345     }
 346
 347     sInitCmd.byInitClass = (u8)InitType;
 348     sInitCmd.bExistSWNetAddr = (u8) pDevice->bExistSWNetAddr;
 349     for (ii = 0; ii < 6; ii++)
 350         sInitCmd.bySWNetAddr[ii] = pDevice->abyCurrentNetAddr[ii];
 351     sInitCmd.byShortRetryLimit = pDevice->byShortRetryLimit;
 352     sInitCmd.byLongRetryLimit = pDevice->byLongRetryLimit;
 353
 354     /* issue card_init command to device */
 355     ntStatus = CONTROLnsRequestOut(pDevice,
 356                                     MESSAGE_TYPE_CARDINIT,
 357                                     0,
 358                                     0,
 359                                     sizeof(CMD_CARD_INIT),
 360                                     (u8 *) &(sInitCmd));
 361
 362     if ( ntStatus != STATUS_SUCCESS ) {
 363         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO" Issue Card init fail \n");
 364         spin_unlock_irq(&pDevice->lock);
 365         return false;
 366     }
 367     if (InitType == DEVICE_INIT_COLD) {
 368
 369         ntStatus = CONTROLnsRequestIn(pDevice,MESSAGE_TYPE_INIT_RSP,0,0,sizeof(RSP_CARD_INIT), (u8 *) &(sInitRsp));
 370
 371         if (ntStatus != STATUS_SUCCESS) {
 372             DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Cardinit request in status fail!\n");
 373             spin_unlock_irq(&pDevice->lock);
 374             return false;
 375         }
 376
 377         /* local ID for AES functions */
 378         ntStatus = CONTROLnsRequestIn(pDevice,
 379                                     MESSAGE_TYPE_READ,
 380                                     MAC_REG_LOCALID,
 381                                     MESSAGE_REQUEST_MACREG,
 382                                     1,
 383                                     &pDevice->byLocalID);
 384
 385         if ( ntStatus != STATUS_SUCCESS ) {
 386             spin_unlock_irq(&pDevice->lock);
 387             return false;
 388         }
 389
 390         /* do MACbSoftwareReset in MACvInitialize */
 391
 392         /* force CCK */
 393         pDevice->bCCK = true;
 394         pDevice->bProtectMode = false;
 395         /* only used in 11g type, sync with ERP IE */
 396         pDevice->bNonERPPresent = false;
 397         pDevice->bBarkerPreambleMd = false;
 398         if ( pDevice->bFixRate ) {
 399             pDevice->wCurrentRate = (u16) pDevice->uConnectionRate;
 400         } else {
 401             if ( pDevice->byBBType == BB_TYPE_11B )
 402                 pDevice->wCurrentRate = RATE_11M;
 403             else
 404                 pDevice->wCurrentRate = RATE_54M;
 405         }
 406
 407         CHvInitChannelTable(pDevice);
 408
 409         pDevice->byTopOFDMBasicRate = RATE_24M;
 410         pDevice->byTopCCKBasicRate = RATE_1M;
 411         pDevice->byRevId = 0;
 412         /* target to IF pin while programming to RF chip */
 413         pDevice->byCurPwr = 0xFF;
 414
 415         pDevice->byCCKPwr = pDevice->abyEEPROM[EEP_OFS_PWR_CCK];
 416         pDevice->byOFDMPwrG = pDevice->abyEEPROM[EEP_OFS_PWR_OFDMG];
 417         /* load power table */
 418         for (ii = 0; ii < 14; ii++) {
 419             pDevice->abyCCKPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_CCK_PWR_TBL];
 420             if (pDevice->abyCCKPwrTbl[ii] == 0)
 421                 pDevice->abyCCKPwrTbl[ii] = pDevice->byCCKPwr;
 422             pDevice->abyOFDMPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_OFDM_PWR_TBL];
 423             if (pDevice->abyOFDMPwrTbl[ii] == 0)
 424                 pDevice->abyOFDMPwrTbl[ii] = pDevice->byOFDMPwrG;
 425         }
 426
 427         /*
 428          * original zonetype is USA, but custom zonetype is Europe,
 429          * then need to recover 12, 13, 14 channels with 11 channel
 430          */
 431           if(((pDevice->abyEEPROM[EEP_OFS_ZONETYPE] == ZoneType_Japan) ||
 432                 (pDevice->abyEEPROM[EEP_OFS_ZONETYPE] == ZoneType_Europe))&&
 433              (pDevice->byOriginalZonetype == ZoneType_USA)) {
 434                 for (ii = 11; ii < 14; ii++) {
 435                         pDevice->abyCCKPwrTbl[ii] = pDevice->abyCCKPwrTbl[10];
 436                         pDevice->abyOFDMPwrTbl[ii] = pDevice->abyOFDMPwrTbl[10];
 437                 }
 438           }
 439
 440           pDevice->byOFDMPwrA = 0x34; /* same as RFbMA2829SelectChannel */
 441
 442           /* load OFDM A power table */
 443           for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) {
 444             pDevice->abyOFDMAPwrTbl[ii] = pDevice->abyEEPROM[ii + EEP_OFS_OFDMA_PWR_TBL];
 445             if (pDevice->abyOFDMAPwrTbl[ii] == 0)
 446                 pDevice->abyOFDMAPwrTbl[ii] = pDevice->byOFDMPwrA;
 447         }
 448
 449         byAntenna = pDevice->abyEEPROM[EEP_OFS_ANTENNA];
 450         if (byAntenna & EEP_ANTINV)
 451             pDevice->bTxRxAntInv = true;
 452         else
 453             pDevice->bTxRxAntInv = false;
 454
 455         byAntenna &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
 456
 457         if (byAntenna == 0) /* if not set default is both */
 458             byAntenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
 459
 460         if (byAntenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) {
 461             pDevice->byAntennaCount = 2;
 462             pDevice->byTxAntennaMode = ANT_B;
 463             pDevice->dwTxAntennaSel = 1;
 464             pDevice->dwRxAntennaSel = 1;
 465             if (pDevice->bTxRxAntInv == true)
 466                 pDevice->byRxAntennaMode = ANT_A;
 467             else
 468                 pDevice->byRxAntennaMode = ANT_B;
 469
 470             if (pDevice->bDiversityRegCtlON)
 471                 pDevice->bDiversityEnable = true;
 472             else
 473                 pDevice->bDiversityEnable = false;
 474         } else  {
 475             pDevice->bDiversityEnable = false;
 476             pDevice->byAntennaCount = 1;
 477             pDevice->dwTxAntennaSel = 0;
 478             pDevice->dwRxAntennaSel = 0;
 479             if (byAntenna & EEP_ANTENNA_AUX) {
 480                 pDevice->byTxAntennaMode = ANT_A;
 481                 if (pDevice->bTxRxAntInv == true)
 482                     pDevice->byRxAntennaMode = ANT_B;
 483                 else
 484                     pDevice->byRxAntennaMode = ANT_A;
 485             } else {
 486                 pDevice->byTxAntennaMode = ANT_B;
 487                 if (pDevice->bTxRxAntInv == true)
 488                     pDevice->byRxAntennaMode = ANT_A;
 489                 else
 490                     pDevice->byRxAntennaMode = ANT_B;
 491             }
 492         }
 493         pDevice->ulDiversityNValue = 100*255;
 494         pDevice->ulDiversityMValue = 100*16;
 495         pDevice->byTMax = 1;
 496         pDevice->byTMax2 = 4;
 497         pDevice->ulSQ3TH = 0;
 498         pDevice->byTMax3 = 64;
 499
 500         /* get Auto Fall Back type */
 501         pDevice->byAutoFBCtrl = AUTO_FB_0;
 502
 503         /* set SCAN Time */
 504         pDevice->uScanTime = WLAN_SCAN_MINITIME;
 505
 506         /* default Auto Mode */
 507         /* pDevice->NetworkType = Ndis802_11Automode; */
 508         pDevice->eConfigPHYMode = PHY_TYPE_AUTO;
 509         pDevice->byBBType = BB_TYPE_11G;
 510
 511         /* initialize BBP registers */
 512         pDevice->ulTxPower = 25;
 513
 514         /* get channel range */
 515         pDevice->byMinChannel = 1;
 516         pDevice->byMaxChannel = CB_MAX_CHANNEL;
 517
 518         /* get RFType */
 519         pDevice->byRFType = sInitRsp.byRFType;
 520
 521         if ((pDevice->byRFType & RF_EMU) != 0) {
 522                 /* force change RevID for VT3253 emu */
 523                 pDevice->byRevId = 0x80;
 524         }
 525
 526         /* load vt3266 calibration parameters in EEPROM */
 527         if (pDevice->byRFType == RF_VT3226D0) {
 528             if((pDevice->abyEEPROM[EEP_OFS_MAJOR_VER] == 0x1) &&
 529                 (pDevice->abyEEPROM[EEP_OFS_MINOR_VER] >= 0x4)) {
 530                 byCalibTXIQ = pDevice->abyEEPROM[EEP_OFS_CALIB_TX_IQ];
 531                 byCalibTXDC = pDevice->abyEEPROM[EEP_OFS_CALIB_TX_DC];
 532                 byCalibRXIQ = pDevice->abyEEPROM[EEP_OFS_CALIB_RX_IQ];
 533                 if( (byCalibTXIQ || byCalibTXDC || byCalibRXIQ) ) {
 534                         /* CR255, enable TX/RX IQ and DC compensation mode */
 535                         ControlvWriteByte(pDevice,
 536                                           MESSAGE_REQUEST_BBREG,
 537                                           0xFF,
 538                                           0x03);
 539                         /* CR251, TX I/Q Imbalance Calibration */
 540                         ControlvWriteByte(pDevice,
 541                                           MESSAGE_REQUEST_BBREG,
 542                                           0xFB,
 543                                           byCalibTXIQ);
 544                         /* CR252, TX DC-Offset Calibration */
 545                         ControlvWriteByte(pDevice,
 546                                           MESSAGE_REQUEST_BBREG,
 547                                           0xFC,
 548                                           byCalibTXDC);
 549                         /* CR253, RX I/Q Imbalance Calibration */
 550                         ControlvWriteByte(pDevice,
 551                                           MESSAGE_REQUEST_BBREG,
 552                                           0xFD,
 553                                           byCalibRXIQ);
 554                 } else {
 555                         /* CR255, turn off BB Calibration compensation */
 556                         ControlvWriteByte(pDevice,
 557                                           MESSAGE_REQUEST_BBREG,
 558                                           0xFF,
 559                                           0x0);
 560                 }
 561             }
 562         }
 563         pMgmt->eScanType = WMAC_SCAN_PASSIVE;
 564         pMgmt->uCurrChannel = pDevice->uChannel;
 565         pMgmt->uIBSSChannel = pDevice->uChannel;
 566         CARDbSetMediaChannel(pDevice, pMgmt->uCurrChannel);
 567
 568         /* get permanent network address */
 569         memcpy(pDevice->abyPermanentNetAddr,&(sInitRsp.byNetAddr[0]),6);
 570         memcpy(pDevice->abyCurrentNetAddr,
 571                pDevice->abyPermanentNetAddr,
 572                ETH_ALEN);
 573
 574         /* if exist SW network address, use it */
 575         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Network address = %pM\n",
 576                 pDevice->abyCurrentNetAddr);
 577     }
 578
 579     /*
 580      * set BB and packet type at the same time
 581      * set Short Slot Time, xIFS, and RSPINF
 582      */
 583     if (pDevice->byBBType == BB_TYPE_11A) {
 584         CARDbAddBasicRate(pDevice, RATE_6M);
 585         pDevice->bShortSlotTime = true;
 586     } else {
 587         CARDbAddBasicRate(pDevice, RATE_1M);
 588         pDevice->bShortSlotTime = false;
 589     }
 590     BBvSetShortSlotTime(pDevice);
 591     CARDvSetBSSMode(pDevice);
 592
 593     if (pDevice->bUpdateBBVGA) {
 594         pDevice->byBBVGACurrent = pDevice->abyBBVGA[0];
 595         pDevice->byBBVGANew = pDevice->byBBVGACurrent;
 596         BBvSetVGAGainOffset(pDevice, pDevice->abyBBVGA[0]);
 597     }
 598
 599     pDevice->byRadioCtl = pDevice->abyEEPROM[EEP_OFS_RADIOCTL];
 600     pDevice->bHWRadioOff = false;
 601     if ( (pDevice->byRadioCtl & EEP_RADIOCTL_ENABLE) != 0 ) {
 602         ntStatus = CONTROLnsRequestIn(pDevice,
 603                                     MESSAGE_TYPE_READ,
 604                                     MAC_REG_GPIOCTL1,
 605                                     MESSAGE_REQUEST_MACREG,
 606                                     1,
 607                                     &byTmp);
 608
 609         if ( ntStatus != STATUS_SUCCESS ) {
 610             spin_unlock_irq(&pDevice->lock);
 611             return false;
 612         }
 613         if ( (byTmp & GPIO3_DATA) == 0 ) {
 614             pDevice->bHWRadioOff = true;
 615             MACvRegBitsOn(pDevice,MAC_REG_GPIOCTL1,GPIO3_INTMD);
 616         } else {
 617             MACvRegBitsOff(pDevice,MAC_REG_GPIOCTL1,GPIO3_INTMD);
 618             pDevice->bHWRadioOff = false;
 619         }
 620
 621     }
 622
 623     ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_TMLEN,0x38);
 624     ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
 625     MACvRegBitsOn(pDevice,MAC_REG_GPIOCTL0,0x01);
 626
 627     if ((pDevice->bHWRadioOff == true) || (pDevice->bRadioControlOff == true)) {
 628         CARDbRadioPowerOff(pDevice);
 629     } else {
 630         CARDbRadioPowerOn(pDevice);
 631     }
 632
 633     spin_unlock_irq(&pDevice->lock);
 634     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----INIbInitAdapter Exit\n");
 635     return true;
 636 }
 637
 638 #ifdef CONFIG_PM        /* Minimal support for suspend and resume */
 639
 640 static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)
 641 {
 642         struct vnt_private *device = usb_get_intfdata(intf);
 643
 644         if (!device || !device->dev)
 645                 return -ENODEV;
 646
 647         if (device->flags & DEVICE_FLAGS_OPENED)
 648                 device_close(device->dev);
 649
 650         return 0;
 651 }
 652
 653 static int vt6656_resume(struct usb_interface *intf)
 654 {
 655         struct vnt_private *device = usb_get_intfdata(intf);
 656
 657         if (!device || !device->dev)
 658                 return -ENODEV;
 659
 660         if (!(device->flags & DEVICE_FLAGS_OPENED))
 661                 device_open(device->dev);
 662
 663         return 0;
 664 }
 665
 666 #endif /* CONFIG_PM */
 667
 668 static const struct net_device_ops device_netdev_ops = {
 669     .ndo_open               = device_open,
 670     .ndo_stop               = device_close,
 671     .ndo_do_ioctl           = device_ioctl,
 672     .ndo_get_stats          = device_get_stats,
 673     .ndo_start_xmit         = device_xmit,
 674     .ndo_set_rx_mode        = device_set_multi,
 675 };
 676
 677 static int
 678 vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id)
 679 {
 680         u8 fake_mac[ETH_ALEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
 681         struct usb_device *udev = interface_to_usbdev(intf);
 682         int rc = 0;
 683         struct net_device *netdev = NULL;
 684         struct vnt_private *pDevice;
 685
 686         printk(KERN_NOTICE "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION);
 687         printk(KERN_NOTICE "Copyright (c) 2004 VIA Networking Technologies, Inc.\n");
 688
 689         udev = usb_get_dev(udev);
 690         netdev = alloc_etherdev(sizeof(struct vnt_private));
 691         if (!netdev) {
 692                 printk(KERN_ERR DEVICE_NAME ": allocate net device failed\n");
 693                 rc = -ENOMEM;
 694                 goto err_nomem;
 695         }
 696
 697         pDevice = netdev_priv(netdev);
 698         memset(pDevice, 0, sizeof(struct vnt_private));
 699
 700         pDevice->dev = netdev;
 701         pDevice->usb = udev;
 702
 703         device_set_options(pDevice);
 704         spin_lock_init(&pDevice->lock);
 705
 706         pDevice->tx_80211 = device_dma0_tx_80211;
 707         pDevice->vnt_mgmt.pAdapter = (void *) pDevice;
 708
 709         netdev->netdev_ops = &device_netdev_ops;
 710         netdev->wireless_handlers =
 711                 (struct iw_handler_def *) &iwctl_handler_def;
 712
 713         usb_set_intfdata(intf, pDevice);
 714         SET_NETDEV_DEV(netdev, &intf->dev);
 715         memcpy(pDevice->dev->dev_addr, fake_mac, ETH_ALEN);
 716         rc = register_netdev(netdev);
 717         if (rc) {
 718                 printk(KERN_ERR DEVICE_NAME " Failed to register netdev\n");
 719                 goto err_netdev;
 720         }
 721
 722         usb_device_reset(pDevice);
 723
 724         return 0;
 725
 726 err_netdev:
 727         free_netdev(netdev);
 728 err_nomem:
 729         usb_put_dev(udev);
 730
 731         return rc;
 732 }
 733
 734 static void device_free_tx_bufs(struct vnt_private *pDevice)
 735 {
 736         struct vnt_usb_send_context *pTxContext;
 737     int ii;
 738
 739     for (ii = 0; ii < pDevice->cbTD; ii++) {
 740
 741         pTxContext = pDevice->apTD[ii];
 742         /* deallocate URBs */
 743         if (pTxContext->pUrb) {
 744             usb_kill_urb(pTxContext->pUrb);
 745             usb_free_urb(pTxContext->pUrb);
 746         }
 747         kfree(pTxContext);
 748     }
 749     return;
 750 }
 751
 752 static void device_free_rx_bufs(struct vnt_private *pDevice)
 753 {
 754         struct vnt_rcb *pRCB;
 755         int ii;
 756
 757     for (ii = 0; ii < pDevice->cbRD; ii++) {
 758
 759         pRCB = pDevice->apRCB[ii];
 760         /* deallocate URBs */
 761         if (pRCB->pUrb) {
 762             usb_kill_urb(pRCB->pUrb);
 763             usb_free_urb(pRCB->pUrb);
 764         }
 765         /* deallocate skb */
 766         if (pRCB->skb)
 767             dev_kfree_skb(pRCB->skb);
 768     }
 769     kfree(pDevice->pRCBMem);
 770
 771     return;
 772 }
 773
 774 static void usb_device_reset(struct vnt_private *pDevice)
 775 {
 776  int status;
 777  status = usb_reset_device(pDevice->usb);
 778         if (status)
 779             printk("usb_device_reset fail status=%d\n",status);
 780         return ;
 781 }
 782
 783 static void device_free_int_bufs(struct vnt_private *pDevice)
 784 {
 785     kfree(pDevice->intBuf.pDataBuf);
 786     return;
 787 }
 788
 789 static bool device_alloc_bufs(struct vnt_private *pDevice)
 790 {
 791         struct vnt_usb_send_context *pTxContext;
 792         struct vnt_rcb *pRCB;
 793         int ii;
 794
 795     for (ii = 0; ii < pDevice->cbTD; ii++) {
 796
 797         pTxContext = kmalloc(sizeof(struct vnt_usb_send_context), GFP_KERNEL);
 798         if (pTxContext == NULL) {
 799             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : allocate tx usb context failed\n", pDevice->dev->name);
 800             goto free_tx;
 801         }
 802         pDevice->apTD[ii] = pTxContext;
 803         pTxContext->pDevice = (void *) pDevice;
 804         /* allocate URBs */
 805         pTxContext->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
 806         if (pTxContext->pUrb == NULL) {
 807             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "alloc tx urb failed\n");
 808             goto free_tx;
 809         }
 810         pTxContext->bBoolInUse = false;
 811     }
 812
 813     /* allocate RCB mem */
 814         pDevice->pRCBMem = kzalloc((sizeof(struct vnt_rcb) * pDevice->cbRD),
 815                                                                 GFP_KERNEL);
 816     if (pDevice->pRCBMem == NULL) {
 817         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : alloc rx usb context failed\n", pDevice->dev->name);
 818         goto free_tx;
 819     }
 820
 821     pDevice->FirstRecvFreeList = NULL;
 822     pDevice->LastRecvFreeList = NULL;
 823     pDevice->FirstRecvMngList = NULL;
 824     pDevice->LastRecvMngList = NULL;
 825     pDevice->NumRecvFreeList = 0;
 826
 827         pRCB = (struct vnt_rcb *)pDevice->pRCBMem;
 828
 829     for (ii = 0; ii < pDevice->cbRD; ii++) {
 830
 831         pDevice->apRCB[ii] = pRCB;
 832         pRCB->pDevice = (void *) pDevice;
 833         /* allocate URBs */
 834         pRCB->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
 835
 836         if (pRCB->pUrb == NULL) {
 837             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx urb\n");
 838             goto free_rx_tx;
 839         }
 840         pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 841         if (pRCB->skb == NULL) {
 842             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx skb\n");
 843             goto free_rx_tx;
 844         }
 845         pRCB->skb->dev = pDevice->dev;
 846         pRCB->bBoolInUse = false;
 847         EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB);
 848         pDevice->NumRecvFreeList++;
 849         pRCB++;
 850     }
 851
 852         pDevice->pControlURB = usb_alloc_urb(0, GFP_ATOMIC);
 853         if (pDevice->pControlURB == NULL) {
 854             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc control urb\n");
 855             goto free_rx_tx;
 856         }
 857
 858         pDevice->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC);
 859         if (pDevice->pInterruptURB == NULL) {
 860             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int urb\n");
 861             usb_free_urb(pDevice->pControlURB);
 862             goto free_rx_tx;
 863         }
 864
 865     pDevice->intBuf.pDataBuf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
 866         if (pDevice->intBuf.pDataBuf == NULL) {
 867             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int buf\n");
 868             usb_free_urb(pDevice->pControlURB);
 869             usb_free_urb(pDevice->pInterruptURB);
 870             goto free_rx_tx;
 871         }
 872
 873     return true;
 874
 875 free_rx_tx:
 876     device_free_rx_bufs(pDevice);
 877
 878 free_tx:
 879     device_free_tx_bufs(pDevice);
 880
 881         return false;
 882 }
 883
 884 static bool device_init_defrag_cb(struct vnt_private *pDevice)
 885 {
 886         int i;
 887         PSDeFragControlBlock pDeF;
 888
 889     /* Init the fragment ctl entries */
 890     for (i = 0; i < CB_MAX_RX_FRAG; i++) {
 891         pDeF = &(pDevice->sRxDFCB[i]);
 892         if (!device_alloc_frag_buf(pDevice, pDeF)) {
 893             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc frag bufs\n",
 894                 pDevice->dev->name);
 895             goto free_frag;
 896         }
 897     }
 898     pDevice->cbDFCB = CB_MAX_RX_FRAG;
 899     pDevice->cbFreeDFCB = pDevice->cbDFCB;
 900     return true;
 901
 902 free_frag:
 903     device_free_frag_bufs(pDevice);
 904     return false;
 905 }
 906
 907 static void device_free_frag_bufs(struct vnt_private *pDevice)
 908 {
 909         PSDeFragControlBlock pDeF;
 910         int i;
 911
 912     for (i = 0; i < CB_MAX_RX_FRAG; i++) {
 913
 914         pDeF = &(pDevice->sRxDFCB[i]);
 915
 916         if (pDeF->skb)
 917             dev_kfree_skb(pDeF->skb);
 918     }
 919 }
 920
 921 int device_alloc_frag_buf(struct vnt_private *pDevice,
 922                 PSDeFragControlBlock pDeF)
 923 {
 924
 925     pDeF->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 926     if (pDeF->skb == NULL)
 927         return false;
 928     pDeF->skb->dev = pDevice->dev;
 929
 930     return true;
 931 }
 932
 933 static int  device_open(struct net_device *dev)
 934 {
 935         struct vnt_private *pDevice = netdev_priv(dev);
 936
 937      pDevice->fWPA_Authened = false;
 938
 939     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_open...\n");
 940
 941     pDevice->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS;
 942
 943     if (device_alloc_bufs(pDevice) == false) {
 944         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_alloc_bufs fail... \n");
 945         return -ENOMEM;
 946     }
 947
 948     if (device_init_defrag_cb(pDevice)== false) {
 949         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Initial defragment cb fail \n");
 950         goto free_rx_tx;
 951     }
 952
 953     MP_CLEAR_FLAG(pDevice, fMP_DISCONNECTED);
 954     MP_CLEAR_FLAG(pDevice, fMP_CONTROL_READS);
 955     MP_CLEAR_FLAG(pDevice, fMP_CONTROL_WRITES);
 956     MP_SET_FLAG(pDevice, fMP_POST_READS);
 957     MP_SET_FLAG(pDevice, fMP_POST_WRITES);
 958
 959     /* read config file */
 960     Read_config_file(pDevice);
 961
 962     if (device_init_registers(pDevice, DEVICE_INIT_COLD) == false) {
 963         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " init register fail\n");
 964         goto free_all;
 965     }
 966
 967     device_set_multi(pDevice->dev);
 968
 969     /* init for key management */
 970     KeyvInitTable(pDevice,&pDevice->sKey);
 971         memcpy(pDevice->vnt_mgmt.abyMACAddr,
 972                 pDevice->abyCurrentNetAddr, ETH_ALEN);
 973     memcpy(pDevice->dev->dev_addr, pDevice->abyCurrentNetAddr, ETH_ALEN);
 974     pDevice->bStopTx0Pkt = false;
 975     pDevice->bStopDataPkt = false;
 976     pDevice->bRoaming = false;
 977     pDevice->bIsRoaming = false;
 978     pDevice->bEnableRoaming = false;
 979     if (pDevice->bDiversityRegCtlON) {
 980         device_init_diversity_timer(pDevice);
 981     }
 982
 983     vMgrObjectInit(pDevice);
 984     tasklet_init(&pDevice->RxMngWorkItem, (void *)RXvMngWorkItem, (unsigned long)pDevice);
 985     tasklet_init(&pDevice->ReadWorkItem, (void *)RXvWorkItem, (unsigned long)pDevice);
 986     tasklet_init(&pDevice->EventWorkItem, (void *)INTvWorkItem, (unsigned long)pDevice);
 987         add_timer(&pDevice->vnt_mgmt.sTimerSecondCallback);
 988         pDevice->int_interval = 100;  /* max 100 microframes */
 989     pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 990
 991     pDevice->bIsRxWorkItemQueued = true;
 992     pDevice->fKillEventPollingThread = false;
 993     pDevice->bEventAvailable = false;
 994
 995    pDevice->bWPADEVUp = false;
 996      pDevice->bwextstep0 = false;
 997      pDevice->bwextstep1 = false;
 998      pDevice->bwextstep2 = false;
 999      pDevice->bwextstep3 = false;
1000      pDevice->bWPASuppWextEnabled = false;
1001     pDevice->byReAssocCount = 0;
1002
1003     RXvWorkItem(pDevice);
1004     INTvWorkItem(pDevice);
1005
1006     /* if WEP key already set by iwconfig but device not yet open */
1007     if ((pDevice->bEncryptionEnable == true) && (pDevice->bTransmitKey == true)) {
1008          spin_lock_irq(&pDevice->lock);
1009          KeybSetDefaultKey( pDevice,
1010                             &(pDevice->sKey),
1011                             pDevice->byKeyIndex | (1 << 31),
1012                             pDevice->uKeyLength,
1013                             NULL,
1014                             pDevice->abyKey,
1015                             KEY_CTL_WEP
1016                           );
1017          spin_unlock_irq(&pDevice->lock);
1018          pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
1019     }
1020
1021         if (pDevice->vnt_mgmt.eConfigMode == WMAC_CONFIG_AP)
1022                 bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL);
1023         else
1024                 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1025
1026     netif_stop_queue(pDevice->dev);
1027     pDevice->flags |= DEVICE_FLAGS_OPENED;
1028
1029         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open success..\n");
1030         return 0;
1031
1032 free_all:
1033     device_free_frag_bufs(pDevice);
1034 free_rx_tx:
1035     device_free_rx_bufs(pDevice);
1036     device_free_tx_bufs(pDevice);
1037     device_free_int_bufs(pDevice);
1038         usb_kill_urb(pDevice->pControlURB);
1039         usb_kill_urb(pDevice->pInterruptURB);
1040     usb_free_urb(pDevice->pControlURB);
1041     usb_free_urb(pDevice->pInterruptURB);
1042
1043     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open fail.. \n");
1044     return -ENOMEM;
1045 }
1046
1047 static int device_close(struct net_device *dev)
1048 {
1049         struct vnt_private *pDevice = netdev_priv(dev);
1050         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1051         int uu;
1052
1053         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close1\n");
1054     if (pDevice == NULL)
1055         return -ENODEV;
1056
1057     if (pDevice->bLinkPass) {
1058         bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
1059         mdelay(30);
1060     }
1061
1062         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
1063         pMgmt->bShareKeyAlgorithm = false;
1064         pDevice->bEncryptionEnable = false;
1065         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
1066         spin_lock_irq(&pDevice->lock);
1067         for (uu = 0; uu < MAX_KEY_TABLE; uu++)
1068                 MACvDisableKeyEntry(pDevice,uu);
1069         spin_unlock_irq(&pDevice->lock);
1070
1071     if ((pDevice->flags & DEVICE_FLAGS_UNPLUG) == false) {
1072         MACbShutdown(pDevice);
1073     }
1074     netif_stop_queue(pDevice->dev);
1075     MP_SET_FLAG(pDevice, fMP_DISCONNECTED);
1076     MP_CLEAR_FLAG(pDevice, fMP_POST_WRITES);
1077     MP_CLEAR_FLAG(pDevice, fMP_POST_READS);
1078     pDevice->fKillEventPollingThread = true;
1079     del_timer(&pDevice->sTimerCommand);
1080     del_timer(&pMgmt->sTimerSecondCallback);
1081
1082     del_timer(&pDevice->sTimerTxData);
1083
1084     if (pDevice->bDiversityRegCtlON) {
1085         del_timer(&pDevice->TimerSQ3Tmax1);
1086         del_timer(&pDevice->TimerSQ3Tmax2);
1087         del_timer(&pDevice->TimerSQ3Tmax3);
1088     }
1089     tasklet_kill(&pDevice->RxMngWorkItem);
1090     tasklet_kill(&pDevice->ReadWorkItem);
1091     tasklet_kill(&pDevice->EventWorkItem);
1092
1093    pDevice->bRoaming = false;
1094    pDevice->bIsRoaming = false;
1095    pDevice->bEnableRoaming = false;
1096     pDevice->bCmdRunning = false;
1097     pDevice->bLinkPass = false;
1098     memset(pMgmt->abyCurrBSSID, 0, 6);
1099     pMgmt->eCurrState = WMAC_STATE_IDLE;
1100
1101         pDevice->flags &= ~DEVICE_FLAGS_OPENED;
1102
1103     device_free_tx_bufs(pDevice);
1104     device_free_rx_bufs(pDevice);
1105     device_free_int_bufs(pDevice);
1106     device_free_frag_bufs(pDevice);
1107
1108         usb_kill_urb(pDevice->pControlURB);
1109         usb_kill_urb(pDevice->pInterruptURB);
1110     usb_free_urb(pDevice->pControlURB);
1111     usb_free_urb(pDevice->pInterruptURB);
1112
1113     BSSvClearNodeDBTable(pDevice, 0);
1114
1115     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n");
1116
1117     return 0;
1118 }
1119
1120 static void vt6656_disconnect(struct usb_interface *intf)
1121 {
1122         struct vnt_private *device = usb_get_intfdata(intf);
1123
1124         if (!device)
1125                 return;
1126
1127         usb_set_intfdata(intf, NULL);
1128         usb_put_dev(interface_to_usbdev(intf));
1129
1130         device->flags |= DEVICE_FLAGS_UNPLUG;
1131
1132         if (device->dev) {
1133                 unregister_netdev(device->dev);
1134                 free_netdev(device->dev);
1135         }
1136
1137 }
1138
1139 static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev)
1140 {
1141         struct vnt_private *pDevice = netdev_priv(dev);
1142
1143         spin_lock_irq(&pDevice->lock);
1144
1145         if (unlikely(pDevice->bStopTx0Pkt))
1146                 dev_kfree_skb_irq(skb);
1147         else
1148                 vDMA0_tx_80211(pDevice, skb);
1149
1150         spin_unlock_irq(&pDevice->lock);
1151
1152         return NETDEV_TX_OK;
1153 }
1154
1155 static int device_xmit(struct sk_buff *skb, struct net_device *dev)
1156 {
1157         struct vnt_private *pDevice = netdev_priv(dev);
1158         struct net_device_stats *stats = &pDevice->stats;
1159
1160         spin_lock_irq(&pDevice->lock);
1161
1162         netif_stop_queue(dev);
1163
1164         if (!pDevice->bLinkPass) {
1165                 dev_kfree_skb_irq(skb);
1166                 goto out;
1167         }
1168
1169         if (pDevice->bStopDataPkt) {
1170                 dev_kfree_skb_irq(skb);
1171                 stats->tx_dropped++;
1172                 goto out;
1173         }
1174
1175         if (nsDMA_tx_packet(pDevice, TYPE_AC0DMA, skb)) {
1176                 if (netif_queue_stopped(dev))
1177                         netif_wake_queue(dev);
1178         }
1179
1180 out:
1181         spin_unlock_irq(&pDevice->lock);
1182
1183         return NETDEV_TX_OK;
1184 }
1185
1186 static unsigned const ethernet_polynomial = 0x04c11db7U;
1187 static inline u32 ether_crc(int length, unsigned char *data)
1188 {
1189     int crc = -1;
1190
1191     while(--length >= 0) {
1192         unsigned char current_octet = *data++;
1193         int bit;
1194         for (bit = 0; bit < 8; bit++, current_octet >>= 1) {
1195             crc = (crc << 1) ^
1196                 ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0);
1197         }
1198     }
1199     return crc;
1200 }
1201
1202 /* find out the start position of str2 from str1 */
1203 static unsigned char *kstrstr(const unsigned char *str1,
1204                               const unsigned char *str2) {
1205   int str1_len = strlen(str1);
1206   int str2_len = strlen(str2);
1207
1208   while (str1_len >= str2_len) {
1209        str1_len--;
1210       if(memcmp(str1,str2,str2_len)==0)
1211         return (unsigned char *) str1;
1212         str1++;
1213   }
1214   return NULL;
1215 }
1216
1217 static int Config_FileGetParameter(unsigned char *string,
1218                                    unsigned char *dest,
1219                                    unsigned char *source)
1220 {
1221   unsigned char buf1[100];
1222   unsigned char buf2[100];
1223   unsigned char *start_p = NULL, *end_p = NULL, *tmp_p = NULL;
1224   int ii;
1225
1226     memset(buf1,0,100);
1227     strcat(buf1, string);
1228     strcat(buf1, "=");
1229     source+=strlen(buf1);
1230
1231     /* find target string start point */
1232     start_p = kstrstr(source,buf1);
1233     if (start_p == NULL)
1234         return false;
1235
1236     /* check if current config line is marked by "#" */
1237     for (ii = 1; ; ii++) {
1238         if (memcmp(start_p - ii, "\n", 1) == 0)
1239                 break;
1240         if (memcmp(start_p - ii, "#", 1) == 0)
1241                 return false;
1242     }
1243
1244     /* find target string end point */
1245      end_p = kstrstr(start_p,"\n");
1246      if (end_p == NULL) {       /* can't find "\n", but don't care */
1247              end_p = start_p + strlen(start_p);   /* no include "\n" */
1248      }
1249
1250    memset(buf2,0,100);
1251    memcpy(buf2, start_p, end_p-start_p); /* get the target line */
1252    buf2[end_p-start_p]='\0';
1253
1254    /* find value */
1255    start_p = kstrstr(buf2,"=");
1256    if (start_p == NULL)
1257       return false;
1258    memset(buf1,0,100);
1259    strcpy(buf1,start_p+1);
1260
1261    /* except space */
1262   tmp_p = buf1;
1263   while(*tmp_p != 0x00) {
1264         if(*tmp_p==' ')
1265             tmp_p++;
1266          else
1267           break;
1268   }
1269
1270    memcpy(dest,tmp_p,strlen(tmp_p));
1271  return true;
1272 }
1273
1274 /* if read fails, return NULL, or return data pointer */
1275 static unsigned char *Config_FileOperation(struct vnt_private *pDevice)
1276 {
1277         unsigned char *buffer = kmalloc(1024, GFP_KERNEL);
1278         struct file   *file;
1279
1280         if (!buffer) {
1281                 printk("allocate mem for file fail?\n");
1282                 return NULL;
1283         }
1284
1285         file = filp_open(CONFIG_PATH, O_RDONLY, 0);
1286         if (IS_ERR(file)) {
1287                 kfree(buffer);
1288                 printk("Config_FileOperation file Not exist\n");
1289                 return NULL;
1290         }
1291
1292         if (kernel_read(file, 0, buffer, 1024) < 0) {
1293                 printk("read file error?\n");
1294                 kfree(buffer);
1295                 buffer = NULL;
1296         }
1297
1298         fput(file);
1299         return buffer;
1300 }
1301
1302 /* return --->-1:fail; >=0:successful */
1303 static int Read_config_file(struct vnt_private *pDevice)
1304 {
1305         int result = 0;
1306         unsigned char tmpbuffer[100];
1307         unsigned char *buffer = NULL;
1308
1309         /* init config setting */
1310  pDevice->config_file.ZoneType = -1;
1311  pDevice->config_file.eAuthenMode = -1;
1312  pDevice->config_file.eEncryptionStatus = -1;
1313
1314   buffer = Config_FileOperation(pDevice);
1315   if (buffer == NULL) {
1316      result =-1;
1317      return result;
1318   }
1319
1320 /* get zonetype */
1321 {
1322     memset(tmpbuffer,0,sizeof(tmpbuffer));
1323     if(Config_FileGetParameter("ZONETYPE",tmpbuffer,buffer) ==true) {
1324     if(memcmp(tmpbuffer,"USA",3)==0) {
1325       pDevice->config_file.ZoneType=ZoneType_USA;
1326     }
1327     else if(memcmp(tmpbuffer,"JAPAN",5)==0) {
1328       pDevice->config_file.ZoneType=ZoneType_Japan;
1329     }
1330     else if(memcmp(tmpbuffer,"EUROPE",6)==0) {
1331      pDevice->config_file.ZoneType=ZoneType_Europe;
1332     }
1333     else {
1334       printk("Unknown Zonetype[%s]?\n",tmpbuffer);
1335    }
1336  }
1337 }
1338
1339 /* get other parameter */
1340   {
1341         memset(tmpbuffer,0,sizeof(tmpbuffer));
1342        if(Config_FileGetParameter("AUTHENMODE",tmpbuffer,buffer)==true) {
1343          pDevice->config_file.eAuthenMode = (int) simple_strtol(tmpbuffer, NULL, 10);
1344        }
1345
1346         memset(tmpbuffer,0,sizeof(tmpbuffer));
1347        if(Config_FileGetParameter("ENCRYPTIONMODE",tmpbuffer,buffer)==true) {
1348          pDevice->config_file.eEncryptionStatus= (int) simple_strtol(tmpbuffer, NULL, 10);
1349        }
1350   }
1351
1352   kfree(buffer);
1353   return result;
1354 }
1355
1356 static void device_set_multi(struct net_device *dev)
1357 {
1358         struct vnt_private *pDevice = netdev_priv(dev);
1359         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1360         struct netdev_hw_addr *ha;
1361         u32 mc_filter[2];
1362         int ii;
1363         u8 pbyData[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1364         u8 byTmpMode = 0;
1365         int rc;
1366
1367         spin_lock_irq(&pDevice->lock);
1368     rc = CONTROLnsRequestIn(pDevice,
1369                             MESSAGE_TYPE_READ,
1370                             MAC_REG_RCR,
1371                             MESSAGE_REQUEST_MACREG,
1372                             1,
1373                             &byTmpMode
1374                             );
1375     if (rc == 0) pDevice->byRxMode = byTmpMode;
1376
1377     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode in= %x\n", pDevice->byRxMode);
1378
1379     if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
1380         DBG_PRT(MSG_LEVEL_ERR,KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name);
1381         /* unconditionally log net taps */
1382         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST|RCR_UNICAST);
1383     }
1384     else if ((netdev_mc_count(dev) > pDevice->multicast_limit) ||
1385              (dev->flags & IFF_ALLMULTI)) {
1386         CONTROLnsRequestOut(pDevice,
1387                             MESSAGE_TYPE_WRITE,
1388                             MAC_REG_MAR0,
1389                             MESSAGE_REQUEST_MACREG,
1390                             8,
1391                             pbyData
1392                             );
1393         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1394     }
1395     else {
1396         memset(mc_filter, 0, sizeof(mc_filter));
1397         netdev_for_each_mc_addr(ha, dev) {
1398             int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1399             mc_filter[bit_nr >> 5] |= cpu_to_le32(1 << (bit_nr & 31));
1400         }
1401         for (ii = 0; ii < 4; ii++) {
1402              MACvWriteMultiAddr(pDevice, ii, *((u8 *)&mc_filter[0] + ii));
1403              MACvWriteMultiAddr(pDevice, ii+ 4, *((u8 *)&mc_filter[1] + ii));
1404         }
1405         pDevice->byRxMode &= ~(RCR_UNICAST);
1406         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1407     }
1408
1409     if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
1410         /*
1411          * If AP mode, don't enable RCR_UNICAST since HW only compares
1412          * addr1 with local MAC
1413          */
1414         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1415         pDevice->byRxMode &= ~(RCR_UNICAST);
1416     }
1417     ControlvWriteByte(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, pDevice->byRxMode);
1418     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode out= %x\n", pDevice->byRxMode);
1419         spin_unlock_irq(&pDevice->lock);
1420
1421 }
1422
1423 static struct net_device_stats *device_get_stats(struct net_device *dev)
1424 {
1425         struct vnt_private *pDevice = netdev_priv(dev);
1426
1427         return &pDevice->stats;
1428 }
1429
1430 static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1431 {
1432         struct vnt_private *pDevice = netdev_priv(dev);
1433         struct iwreq *wrq = (struct iwreq *) rq;
1434         int rc = 0;
1435
1436         switch (cmd) {
1437
1438         case IOCTL_CMD_HOSTAPD:
1439
1440                 if (!(pDevice->flags & DEVICE_FLAGS_OPENED))
1441                         rc = -EFAULT;
1442
1443                 rc = vt6656_hostap_ioctl(pDevice, &wrq->u.data);
1444                 break;
1445
1446         case SIOCETHTOOL:
1447                 return ethtool_ioctl(dev, (void *) rq->ifr_data);
1448
1449         }
1450
1451         return rc;
1452 }
1453
1454 static int ethtool_ioctl(struct net_device *dev, void *useraddr)
1455 {
1456         u32 ethcmd;
1457
1458         if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
1459                 return -EFAULT;
1460
1461         switch (ethcmd) {
1462         case ETHTOOL_GDRVINFO: {
1463                 struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
1464                 strncpy(info.driver, DEVICE_NAME, sizeof(info.driver)-1);
1465                 strncpy(info.version, DEVICE_VERSION, sizeof(info.version)-1);
1466                 if (copy_to_user(useraddr, &info, sizeof(info)))
1467                         return -EFAULT;
1468                 return 0;
1469         }
1470
1471         }
1472
1473         return -EOPNOTSUPP;
1474 }
1475
1476 MODULE_DEVICE_TABLE(usb, vt6656_table);
1477
1478 static struct usb_driver vt6656_driver = {
1479         .name =         DEVICE_NAME,
1480         .probe =        vt6656_probe,
1481         .disconnect =   vt6656_disconnect,
1482         .id_table =     vt6656_table,
1483 #ifdef CONFIG_PM
1484         .suspend = vt6656_suspend,
1485         .resume = vt6656_resume,
1486 #endif /* CONFIG_PM */
1487 };
1488
1489 module_usb_driver(vt6656_driver);