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         INIT_DELAYED_WORK(&pDevice->run_command_work, vRunCommand);
 706         INIT_DELAYED_WORK(&pDevice->second_callback_work, BSSvSecondCallBack);
 707         INIT_WORK(&pDevice->read_work_item, RXvWorkItem);
 708         INIT_WORK(&pDevice->rx_mng_work_item, RXvMngWorkItem);
 709
 710         pDevice->pControlURB = usb_alloc_urb(0, GFP_ATOMIC);
 711         if (!pDevice->pControlURB) {
 712                 DBG_PRT(MSG_LEVEL_ERR, KERN_ERR"Failed to alloc control urb\n");
 713                 goto err_netdev;
 714         }
 715
 716         pDevice->tx_80211 = device_dma0_tx_80211;
 717         pDevice->vnt_mgmt.pAdapter = (void *) pDevice;
 718
 719         netdev->netdev_ops = &device_netdev_ops;
 720         netdev->wireless_handlers =
 721                 (struct iw_handler_def *) &iwctl_handler_def;
 722
 723         usb_set_intfdata(intf, pDevice);
 724         SET_NETDEV_DEV(netdev, &intf->dev);
 725         memcpy(pDevice->dev->dev_addr, fake_mac, ETH_ALEN);
 726
 727         usb_device_reset(pDevice);
 728
 729         rc = register_netdev(netdev);
 730         if (rc) {
 731                 printk(KERN_ERR DEVICE_NAME " Failed to register netdev\n");
 732                 goto err_netdev;
 733         }
 734
 735         return 0;
 736
 737 err_netdev:
 738         free_netdev(netdev);
 739 err_nomem:
 740         usb_put_dev(udev);
 741
 742         return rc;
 743 }
 744
 745 static void device_free_tx_bufs(struct vnt_private *pDevice)
 746 {
 747         struct vnt_usb_send_context *pTxContext;
 748     int ii;
 749
 750     for (ii = 0; ii < pDevice->cbTD; ii++) {
 751
 752         pTxContext = pDevice->apTD[ii];
 753         /* deallocate URBs */
 754         if (pTxContext->pUrb) {
 755             usb_kill_urb(pTxContext->pUrb);
 756             usb_free_urb(pTxContext->pUrb);
 757         }
 758         kfree(pTxContext);
 759     }
 760     return;
 761 }
 762
 763 static void device_free_rx_bufs(struct vnt_private *pDevice)
 764 {
 765         struct vnt_rcb *pRCB;
 766         int ii;
 767
 768     for (ii = 0; ii < pDevice->cbRD; ii++) {
 769
 770         pRCB = pDevice->apRCB[ii];
 771         /* deallocate URBs */
 772         if (pRCB->pUrb) {
 773             usb_kill_urb(pRCB->pUrb);
 774             usb_free_urb(pRCB->pUrb);
 775         }
 776         /* deallocate skb */
 777         if (pRCB->skb)
 778             dev_kfree_skb(pRCB->skb);
 779     }
 780     kfree(pDevice->pRCBMem);
 781
 782     return;
 783 }
 784
 785 static void usb_device_reset(struct vnt_private *pDevice)
 786 {
 787  int status;
 788  status = usb_reset_device(pDevice->usb);
 789         if (status)
 790             printk("usb_device_reset fail status=%d\n",status);
 791         return ;
 792 }
 793
 794 static void device_free_int_bufs(struct vnt_private *pDevice)
 795 {
 796     kfree(pDevice->intBuf.pDataBuf);
 797     return;
 798 }
 799
 800 static bool device_alloc_bufs(struct vnt_private *pDevice)
 801 {
 802         struct vnt_usb_send_context *pTxContext;
 803         struct vnt_rcb *pRCB;
 804         int ii;
 805
 806     for (ii = 0; ii < pDevice->cbTD; ii++) {
 807
 808         pTxContext = kmalloc(sizeof(struct vnt_usb_send_context), GFP_KERNEL);
 809         if (pTxContext == NULL) {
 810             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : allocate tx usb context failed\n", pDevice->dev->name);
 811             goto free_tx;
 812         }
 813         pDevice->apTD[ii] = pTxContext;
 814         pTxContext->pDevice = (void *) pDevice;
 815         /* allocate URBs */
 816         pTxContext->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
 817         if (pTxContext->pUrb == NULL) {
 818             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "alloc tx urb failed\n");
 819             goto free_tx;
 820         }
 821         pTxContext->bBoolInUse = false;
 822     }
 823
 824     /* allocate RCB mem */
 825         pDevice->pRCBMem = kzalloc((sizeof(struct vnt_rcb) * pDevice->cbRD),
 826                                                                 GFP_KERNEL);
 827     if (pDevice->pRCBMem == NULL) {
 828         DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s : alloc rx usb context failed\n", pDevice->dev->name);
 829         goto free_tx;
 830     }
 831
 832     pDevice->FirstRecvFreeList = NULL;
 833     pDevice->LastRecvFreeList = NULL;
 834     pDevice->FirstRecvMngList = NULL;
 835     pDevice->LastRecvMngList = NULL;
 836     pDevice->NumRecvFreeList = 0;
 837
 838         pRCB = (struct vnt_rcb *)pDevice->pRCBMem;
 839
 840     for (ii = 0; ii < pDevice->cbRD; ii++) {
 841
 842         pDevice->apRCB[ii] = pRCB;
 843         pRCB->pDevice = (void *) pDevice;
 844         /* allocate URBs */
 845         pRCB->pUrb = usb_alloc_urb(0, GFP_ATOMIC);
 846
 847         if (pRCB->pUrb == NULL) {
 848             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx urb\n");
 849             goto free_rx_tx;
 850         }
 851         pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 852         if (pRCB->skb == NULL) {
 853             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to alloc rx skb\n");
 854             goto free_rx_tx;
 855         }
 856         pRCB->skb->dev = pDevice->dev;
 857         pRCB->bBoolInUse = false;
 858         EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB);
 859         pDevice->NumRecvFreeList++;
 860         pRCB++;
 861     }
 862
 863         pDevice->pInterruptURB = usb_alloc_urb(0, GFP_ATOMIC);
 864         if (pDevice->pInterruptURB == NULL) {
 865             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int urb\n");
 866             goto free_rx_tx;
 867         }
 868
 869     pDevice->intBuf.pDataBuf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
 870         if (pDevice->intBuf.pDataBuf == NULL) {
 871             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR"Failed to alloc int buf\n");
 872             usb_free_urb(pDevice->pInterruptURB);
 873             goto free_rx_tx;
 874         }
 875
 876     return true;
 877
 878 free_rx_tx:
 879     device_free_rx_bufs(pDevice);
 880
 881 free_tx:
 882     device_free_tx_bufs(pDevice);
 883
 884         return false;
 885 }
 886
 887 static bool device_init_defrag_cb(struct vnt_private *pDevice)
 888 {
 889         int i;
 890         PSDeFragControlBlock pDeF;
 891
 892     /* Init the fragment ctl entries */
 893     for (i = 0; i < CB_MAX_RX_FRAG; i++) {
 894         pDeF = &(pDevice->sRxDFCB[i]);
 895         if (!device_alloc_frag_buf(pDevice, pDeF)) {
 896             DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc frag bufs\n",
 897                 pDevice->dev->name);
 898             goto free_frag;
 899         }
 900     }
 901     pDevice->cbDFCB = CB_MAX_RX_FRAG;
 902     pDevice->cbFreeDFCB = pDevice->cbDFCB;
 903     return true;
 904
 905 free_frag:
 906     device_free_frag_bufs(pDevice);
 907     return false;
 908 }
 909
 910 static void device_free_frag_bufs(struct vnt_private *pDevice)
 911 {
 912         PSDeFragControlBlock pDeF;
 913         int i;
 914
 915     for (i = 0; i < CB_MAX_RX_FRAG; i++) {
 916
 917         pDeF = &(pDevice->sRxDFCB[i]);
 918
 919         if (pDeF->skb)
 920             dev_kfree_skb(pDeF->skb);
 921     }
 922 }
 923
 924 int device_alloc_frag_buf(struct vnt_private *pDevice,
 925                 PSDeFragControlBlock pDeF)
 926 {
 927
 928     pDeF->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 929     if (pDeF->skb == NULL)
 930         return false;
 931     pDeF->skb->dev = pDevice->dev;
 932
 933     return true;
 934 }
 935
 936 static int  device_open(struct net_device *dev)
 937 {
 938         struct vnt_private *pDevice = netdev_priv(dev);
 939
 940      pDevice->fWPA_Authened = false;
 941
 942     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_open...\n");
 943
 944     pDevice->rx_buf_sz = MAX_TOTAL_SIZE_WITH_ALL_HEADERS;
 945
 946     if (device_alloc_bufs(pDevice) == false) {
 947         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " device_alloc_bufs fail... \n");
 948         return -ENOMEM;
 949     }
 950
 951     if (device_init_defrag_cb(pDevice)== false) {
 952         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Initial defragment cb fail \n");
 953         goto free_rx_tx;
 954     }
 955
 956     MP_CLEAR_FLAG(pDevice, fMP_DISCONNECTED);
 957     MP_CLEAR_FLAG(pDevice, fMP_CONTROL_READS);
 958     MP_CLEAR_FLAG(pDevice, fMP_CONTROL_WRITES);
 959     MP_SET_FLAG(pDevice, fMP_POST_READS);
 960     MP_SET_FLAG(pDevice, fMP_POST_WRITES);
 961
 962     /* read config file */
 963     Read_config_file(pDevice);
 964
 965     if (device_init_registers(pDevice, DEVICE_INIT_COLD) == false) {
 966         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " init register fail\n");
 967         goto free_all;
 968     }
 969
 970     device_set_multi(pDevice->dev);
 971
 972     /* init for key management */
 973     KeyvInitTable(pDevice,&pDevice->sKey);
 974         memcpy(pDevice->vnt_mgmt.abyMACAddr,
 975                 pDevice->abyCurrentNetAddr, ETH_ALEN);
 976     memcpy(pDevice->dev->dev_addr, pDevice->abyCurrentNetAddr, ETH_ALEN);
 977     pDevice->bStopTx0Pkt = false;
 978     pDevice->bStopDataPkt = false;
 979     pDevice->bRoaming = false;
 980     pDevice->bIsRoaming = false;
 981     pDevice->bEnableRoaming = false;
 982     if (pDevice->bDiversityRegCtlON) {
 983         device_init_diversity_timer(pDevice);
 984     }
 985
 986     vMgrObjectInit(pDevice);
 987
 988     tasklet_init(&pDevice->EventWorkItem, (void *)INTvWorkItem, (unsigned long)pDevice);
 989
 990         schedule_delayed_work(&pDevice->second_callback_work, HZ);
 991
 992         pDevice->int_interval = 100;  /* max 100 microframes */
 993     pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
 994
 995     pDevice->bIsRxWorkItemQueued = true;
 996     pDevice->fKillEventPollingThread = false;
 997     pDevice->bEventAvailable = false;
 998
 999    pDevice->bWPADEVUp = false;
1000      pDevice->bwextstep0 = false;
1001      pDevice->bwextstep1 = false;
1002      pDevice->bwextstep2 = false;
1003      pDevice->bwextstep3 = false;
1004      pDevice->bWPASuppWextEnabled = false;
1005     pDevice->byReAssocCount = 0;
1006
1007         schedule_work(&pDevice->read_work_item);
1008     INTvWorkItem(pDevice);
1009
1010     /* if WEP key already set by iwconfig but device not yet open */
1011     if ((pDevice->bEncryptionEnable == true) && (pDevice->bTransmitKey == true)) {
1012          spin_lock_irq(&pDevice->lock);
1013          KeybSetDefaultKey( pDevice,
1014                             &(pDevice->sKey),
1015                             pDevice->byKeyIndex | (1 << 31),
1016                             pDevice->uKeyLength,
1017                             NULL,
1018                             pDevice->abyKey,
1019                             KEY_CTL_WEP
1020                           );
1021          spin_unlock_irq(&pDevice->lock);
1022          pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
1023     }
1024
1025         if (pDevice->vnt_mgmt.eConfigMode == WMAC_CONFIG_AP)
1026                 bScheduleCommand((void *) pDevice, WLAN_CMD_RUN_AP, NULL);
1027         else
1028                 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1029
1030     netif_stop_queue(pDevice->dev);
1031     pDevice->flags |= DEVICE_FLAGS_OPENED;
1032
1033         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open success..\n");
1034         return 0;
1035
1036 free_all:
1037     device_free_frag_bufs(pDevice);
1038 free_rx_tx:
1039     device_free_rx_bufs(pDevice);
1040     device_free_tx_bufs(pDevice);
1041     device_free_int_bufs(pDevice);
1042         usb_kill_urb(pDevice->pInterruptURB);
1043     usb_free_urb(pDevice->pInterruptURB);
1044
1045     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_open fail.. \n");
1046     return -ENOMEM;
1047 }
1048
1049 static int device_close(struct net_device *dev)
1050 {
1051         struct vnt_private *pDevice = netdev_priv(dev);
1052         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1053         int uu;
1054
1055         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close1\n");
1056     if (pDevice == NULL)
1057         return -ENODEV;
1058
1059     if (pDevice->bLinkPass) {
1060         bScheduleCommand((void *) pDevice, WLAN_CMD_DISASSOCIATE, NULL);
1061         mdelay(30);
1062     }
1063
1064         memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
1065         pMgmt->bShareKeyAlgorithm = false;
1066         pDevice->bEncryptionEnable = false;
1067         pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled;
1068         spin_lock_irq(&pDevice->lock);
1069         for (uu = 0; uu < MAX_KEY_TABLE; uu++)
1070                 MACvDisableKeyEntry(pDevice,uu);
1071         spin_unlock_irq(&pDevice->lock);
1072
1073     if ((pDevice->flags & DEVICE_FLAGS_UNPLUG) == false) {
1074         MACbShutdown(pDevice);
1075     }
1076     netif_stop_queue(pDevice->dev);
1077     MP_SET_FLAG(pDevice, fMP_DISCONNECTED);
1078     MP_CLEAR_FLAG(pDevice, fMP_POST_WRITES);
1079     MP_CLEAR_FLAG(pDevice, fMP_POST_READS);
1080     pDevice->fKillEventPollingThread = true;
1081
1082         cancel_delayed_work_sync(&pDevice->run_command_work);
1083         cancel_delayed_work_sync(&pDevice->second_callback_work);
1084
1085     if (pDevice->bDiversityRegCtlON) {
1086         del_timer(&pDevice->TimerSQ3Tmax1);
1087         del_timer(&pDevice->TimerSQ3Tmax2);
1088         del_timer(&pDevice->TimerSQ3Tmax3);
1089     }
1090
1091         cancel_work_sync(&pDevice->rx_mng_work_item);
1092         cancel_work_sync(&pDevice->read_work_item);
1093
1094     tasklet_kill(&pDevice->EventWorkItem);
1095
1096    pDevice->bRoaming = false;
1097    pDevice->bIsRoaming = false;
1098    pDevice->bEnableRoaming = false;
1099     pDevice->bCmdRunning = false;
1100     pDevice->bLinkPass = false;
1101     memset(pMgmt->abyCurrBSSID, 0, 6);
1102     pMgmt->eCurrState = WMAC_STATE_IDLE;
1103
1104         pDevice->flags &= ~DEVICE_FLAGS_OPENED;
1105
1106     device_free_tx_bufs(pDevice);
1107     device_free_rx_bufs(pDevice);
1108     device_free_int_bufs(pDevice);
1109     device_free_frag_bufs(pDevice);
1110
1111         usb_kill_urb(pDevice->pInterruptURB);
1112     usb_free_urb(pDevice->pInterruptURB);
1113
1114     BSSvClearNodeDBTable(pDevice, 0);
1115
1116     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n");
1117
1118     return 0;
1119 }
1120
1121 static void vt6656_disconnect(struct usb_interface *intf)
1122 {
1123         struct vnt_private *device = usb_get_intfdata(intf);
1124
1125         if (!device)
1126                 return;
1127
1128         usb_set_intfdata(intf, NULL);
1129         usb_put_dev(interface_to_usbdev(intf));
1130
1131         device->flags |= DEVICE_FLAGS_UNPLUG;
1132
1133         if (device->dev) {
1134                 unregister_netdev(device->dev);
1135
1136                 usb_kill_urb(device->pControlURB);
1137                 usb_free_urb(device->pControlURB);
1138
1139                 free_netdev(device->dev);
1140         }
1141 }
1142
1143 static int device_dma0_tx_80211(struct sk_buff *skb, struct net_device *dev)
1144 {
1145         struct vnt_private *pDevice = netdev_priv(dev);
1146
1147         spin_lock_irq(&pDevice->lock);
1148
1149         if (unlikely(pDevice->bStopTx0Pkt))
1150                 dev_kfree_skb_irq(skb);
1151         else
1152                 vDMA0_tx_80211(pDevice, skb);
1153
1154         spin_unlock_irq(&pDevice->lock);
1155
1156         return NETDEV_TX_OK;
1157 }
1158
1159 static int device_xmit(struct sk_buff *skb, struct net_device *dev)
1160 {
1161         struct vnt_private *pDevice = netdev_priv(dev);
1162         struct net_device_stats *stats = &pDevice->stats;
1163
1164         spin_lock_irq(&pDevice->lock);
1165
1166         netif_stop_queue(dev);
1167
1168         if (!pDevice->bLinkPass) {
1169                 dev_kfree_skb_irq(skb);
1170                 goto out;
1171         }
1172
1173         if (pDevice->bStopDataPkt) {
1174                 dev_kfree_skb_irq(skb);
1175                 stats->tx_dropped++;
1176                 goto out;
1177         }
1178
1179         if (nsDMA_tx_packet(pDevice, TYPE_AC0DMA, skb)) {
1180                 if (netif_queue_stopped(dev))
1181                         netif_wake_queue(dev);
1182         }
1183
1184 out:
1185         spin_unlock_irq(&pDevice->lock);
1186
1187         return NETDEV_TX_OK;
1188 }
1189
1190 static unsigned const ethernet_polynomial = 0x04c11db7U;
1191 static inline u32 ether_crc(int length, unsigned char *data)
1192 {
1193     int crc = -1;
1194
1195     while(--length >= 0) {
1196         unsigned char current_octet = *data++;
1197         int bit;
1198         for (bit = 0; bit < 8; bit++, current_octet >>= 1) {
1199             crc = (crc << 1) ^
1200                 ((crc < 0) ^ (current_octet & 1) ? ethernet_polynomial : 0);
1201         }
1202     }
1203     return crc;
1204 }
1205
1206 /* find out the start position of str2 from str1 */
1207 static unsigned char *kstrstr(const unsigned char *str1,
1208                               const unsigned char *str2) {
1209   int str1_len = strlen(str1);
1210   int str2_len = strlen(str2);
1211
1212   while (str1_len >= str2_len) {
1213        str1_len--;
1214       if(memcmp(str1,str2,str2_len)==0)
1215         return (unsigned char *) str1;
1216         str1++;
1217   }
1218   return NULL;
1219 }
1220
1221 static int Config_FileGetParameter(unsigned char *string,
1222                                    unsigned char *dest,
1223                                    unsigned char *source)
1224 {
1225   unsigned char buf1[100];
1226   unsigned char buf2[100];
1227   unsigned char *start_p = NULL, *end_p = NULL, *tmp_p = NULL;
1228   int ii;
1229
1230     memset(buf1,0,100);
1231     strcat(buf1, string);
1232     strcat(buf1, "=");
1233     source+=strlen(buf1);
1234
1235     /* find target string start point */
1236     start_p = kstrstr(source,buf1);
1237     if (start_p == NULL)
1238         return false;
1239
1240     /* check if current config line is marked by "#" */
1241     for (ii = 1; ; ii++) {
1242         if (memcmp(start_p - ii, "\n", 1) == 0)
1243                 break;
1244         if (memcmp(start_p - ii, "#", 1) == 0)
1245                 return false;
1246     }
1247
1248     /* find target string end point */
1249      end_p = kstrstr(start_p,"\n");
1250      if (end_p == NULL) {       /* can't find "\n", but don't care */
1251              end_p = start_p + strlen(start_p);   /* no include "\n" */
1252      }
1253
1254    memset(buf2,0,100);
1255    memcpy(buf2, start_p, end_p-start_p); /* get the target line */
1256    buf2[end_p-start_p]='\0';
1257
1258    /* find value */
1259    start_p = kstrstr(buf2,"=");
1260    if (start_p == NULL)
1261       return false;
1262    memset(buf1,0,100);
1263    strcpy(buf1,start_p+1);
1264
1265    /* except space */
1266   tmp_p = buf1;
1267   while(*tmp_p != 0x00) {
1268         if(*tmp_p==' ')
1269             tmp_p++;
1270          else
1271           break;
1272   }
1273
1274    memcpy(dest,tmp_p,strlen(tmp_p));
1275  return true;
1276 }
1277
1278 /* if read fails, return NULL, or return data pointer */
1279 static unsigned char *Config_FileOperation(struct vnt_private *pDevice)
1280 {
1281         unsigned char *buffer = kmalloc(1024, GFP_KERNEL);
1282         struct file   *file;
1283
1284         if (!buffer) {
1285                 printk("allocate mem for file fail?\n");
1286                 return NULL;
1287         }
1288
1289         file = filp_open(CONFIG_PATH, O_RDONLY, 0);
1290         if (IS_ERR(file)) {
1291                 kfree(buffer);
1292                 printk("Config_FileOperation file Not exist\n");
1293                 return NULL;
1294         }
1295
1296         if (kernel_read(file, 0, buffer, 1024) < 0) {
1297                 printk("read file error?\n");
1298                 kfree(buffer);
1299                 buffer = NULL;
1300         }
1301
1302         fput(file);
1303         return buffer;
1304 }
1305
1306 /* return --->-1:fail; >=0:successful */
1307 static int Read_config_file(struct vnt_private *pDevice)
1308 {
1309         int result = 0;
1310         unsigned char tmpbuffer[100];
1311         unsigned char *buffer = NULL;
1312
1313         /* init config setting */
1314  pDevice->config_file.ZoneType = -1;
1315  pDevice->config_file.eAuthenMode = -1;
1316  pDevice->config_file.eEncryptionStatus = -1;
1317
1318   buffer = Config_FileOperation(pDevice);
1319   if (buffer == NULL) {
1320      result =-1;
1321      return result;
1322   }
1323
1324 /* get zonetype */
1325 {
1326     memset(tmpbuffer,0,sizeof(tmpbuffer));
1327     if(Config_FileGetParameter("ZONETYPE",tmpbuffer,buffer) ==true) {
1328     if(memcmp(tmpbuffer,"USA",3)==0) {
1329       pDevice->config_file.ZoneType=ZoneType_USA;
1330     }
1331     else if(memcmp(tmpbuffer,"JAPAN",5)==0) {
1332       pDevice->config_file.ZoneType=ZoneType_Japan;
1333     }
1334     else if(memcmp(tmpbuffer,"EUROPE",6)==0) {
1335      pDevice->config_file.ZoneType=ZoneType_Europe;
1336     }
1337     else {
1338       printk("Unknown Zonetype[%s]?\n",tmpbuffer);
1339    }
1340  }
1341 }
1342
1343 /* get other parameter */
1344   {
1345         memset(tmpbuffer,0,sizeof(tmpbuffer));
1346        if(Config_FileGetParameter("AUTHENMODE",tmpbuffer,buffer)==true) {
1347          pDevice->config_file.eAuthenMode = (int) simple_strtol(tmpbuffer, NULL, 10);
1348        }
1349
1350         memset(tmpbuffer,0,sizeof(tmpbuffer));
1351        if(Config_FileGetParameter("ENCRYPTIONMODE",tmpbuffer,buffer)==true) {
1352          pDevice->config_file.eEncryptionStatus= (int) simple_strtol(tmpbuffer, NULL, 10);
1353        }
1354   }
1355
1356   kfree(buffer);
1357   return result;
1358 }
1359
1360 static void device_set_multi(struct net_device *dev)
1361 {
1362         struct vnt_private *pDevice = netdev_priv(dev);
1363         struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1364         struct netdev_hw_addr *ha;
1365         u32 mc_filter[2];
1366         int ii;
1367         u8 pbyData[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1368         u8 byTmpMode = 0;
1369         int rc;
1370
1371         spin_lock_irq(&pDevice->lock);
1372     rc = CONTROLnsRequestIn(pDevice,
1373                             MESSAGE_TYPE_READ,
1374                             MAC_REG_RCR,
1375                             MESSAGE_REQUEST_MACREG,
1376                             1,
1377                             &byTmpMode
1378                             );
1379     if (rc == 0) pDevice->byRxMode = byTmpMode;
1380
1381     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode in= %x\n", pDevice->byRxMode);
1382
1383     if (dev->flags & IFF_PROMISC) { /* set promiscuous mode */
1384         DBG_PRT(MSG_LEVEL_ERR,KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name);
1385         /* unconditionally log net taps */
1386         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST|RCR_UNICAST);
1387     }
1388     else if ((netdev_mc_count(dev) > pDevice->multicast_limit) ||
1389              (dev->flags & IFF_ALLMULTI)) {
1390         CONTROLnsRequestOut(pDevice,
1391                             MESSAGE_TYPE_WRITE,
1392                             MAC_REG_MAR0,
1393                             MESSAGE_REQUEST_MACREG,
1394                             8,
1395                             pbyData
1396                             );
1397         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1398     }
1399     else {
1400         memset(mc_filter, 0, sizeof(mc_filter));
1401         netdev_for_each_mc_addr(ha, dev) {
1402             int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1403             mc_filter[bit_nr >> 5] |= cpu_to_le32(1 << (bit_nr & 31));
1404         }
1405         for (ii = 0; ii < 4; ii++) {
1406              MACvWriteMultiAddr(pDevice, ii, *((u8 *)&mc_filter[0] + ii));
1407              MACvWriteMultiAddr(pDevice, ii+ 4, *((u8 *)&mc_filter[1] + ii));
1408         }
1409         pDevice->byRxMode &= ~(RCR_UNICAST);
1410         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1411     }
1412
1413     if (pMgmt->eConfigMode == WMAC_CONFIG_AP) {
1414         /*
1415          * If AP mode, don't enable RCR_UNICAST since HW only compares
1416          * addr1 with local MAC
1417          */
1418         pDevice->byRxMode |= (RCR_MULTICAST|RCR_BROADCAST);
1419         pDevice->byRxMode &= ~(RCR_UNICAST);
1420     }
1421     ControlvWriteByte(pDevice, MESSAGE_REQUEST_MACREG, MAC_REG_RCR, pDevice->byRxMode);
1422     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->byRxMode out= %x\n", pDevice->byRxMode);
1423         spin_unlock_irq(&pDevice->lock);
1424
1425 }
1426
1427 static struct net_device_stats *device_get_stats(struct net_device *dev)
1428 {
1429         struct vnt_private *pDevice = netdev_priv(dev);
1430
1431         return &pDevice->stats;
1432 }
1433
1434 static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1435 {
1436         struct vnt_private *pDevice = netdev_priv(dev);
1437         struct iwreq *wrq = (struct iwreq *) rq;
1438         int rc = 0;
1439
1440         switch (cmd) {
1441
1442         case IOCTL_CMD_HOSTAPD:
1443
1444                 if (!(pDevice->flags & DEVICE_FLAGS_OPENED))
1445                         rc = -EFAULT;
1446
1447                 rc = vt6656_hostap_ioctl(pDevice, &wrq->u.data);
1448                 break;
1449
1450         case SIOCETHTOOL:
1451                 return ethtool_ioctl(dev, (void *) rq->ifr_data);
1452
1453         }
1454
1455         return rc;
1456 }
1457
1458 static int ethtool_ioctl(struct net_device *dev, void *useraddr)
1459 {
1460         u32 ethcmd;
1461
1462         if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
1463                 return -EFAULT;
1464
1465         switch (ethcmd) {
1466         case ETHTOOL_GDRVINFO: {
1467                 struct ethtool_drvinfo info = {ETHTOOL_GDRVINFO};
1468                 strncpy(info.driver, DEVICE_NAME, sizeof(info.driver)-1);
1469                 strncpy(info.version, DEVICE_VERSION, sizeof(info.version)-1);
1470                 if (copy_to_user(useraddr, &info, sizeof(info)))
1471                         return -EFAULT;
1472                 return 0;
1473         }
1474
1475         }
1476
1477         return -EOPNOTSUPP;
1478 }
1479
1480 MODULE_DEVICE_TABLE(usb, vt6656_table);
1481
1482 static struct usb_driver vt6656_driver = {
1483         .name =         DEVICE_NAME,
1484         .probe =        vt6656_probe,
1485         .disconnect =   vt6656_disconnect,
1486         .id_table =     vt6656_table,
1487 #ifdef CONFIG_PM
1488         .suspend = vt6656_suspend,
1489         .resume = vt6656_resume,
1490 #endif /* CONFIG_PM */
1491 };
1492
1493 module_usb_driver(vt6656_driver);