drivers/staging/vt6655/bssdb.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: bssdb.c
  20  *
  21  * Purpose: Handles the Basic Service Set & Node Database functions
  22  *
  23  * Functions:
  24  *      BSSpSearchBSSList - Search known BSS list for Desire SSID or BSSID
  25  *      BSSvClearBSSList - Clear BSS List
  26  *      BSSbInsertToBSSList - Insert a BSS set into known BSS list
  27  *      BSSbUpdateToBSSList - Update BSS set in known BSS list
  28  *      BSSDBbIsSTAInNodeDB - Search Node DB table to find the index of matched DstAddr
  29  *      BSSvCreateOneNode - Allocate an Node for Node DB
  30  *      BSSvUpdateAPNode - Update AP Node content in Index 0 of KnownNodeDB
  31  *      BSSvSecondCallBack - One second timer callback function to update Node DB info & AP link status
  32  *      BSSvUpdateNodeTxCounter - Update Tx attemps, Tx failure counter in Node DB for auto-fall back rate control
  33  *
  34  * Revision History:
  35  *
  36  * Author: Lyndon Chen
  37  *
  38  * Date: July 17, 2002
  39  *
  40  */
  41
  42 #include "ttype.h"
  43 #include "tmacro.h"
  44 #include "tether.h"
  45 #include "device.h"
  46 #include "80211hdr.h"
  47 #include "bssdb.h"
  48 #include "wmgr.h"
  49 #include "datarate.h"
  50 #include "desc.h"
  51 #include "wcmd.h"
  52 #include "wpa.h"
  53 #include "baseband.h"
  54 #include "rf.h"
  55 #include "card.h"
  56 #include "channel.h"
  57 #include "mac.h"
  58 #include "wpa2.h"
  59 #include "iowpa.h"
  60
  61 /*---------------------  Static Definitions -------------------------*/
  62
  63 /*---------------------  Static Classes  ----------------------------*/
  64
  65 /*---------------------  Static Variables  --------------------------*/
  66 static int msglevel = MSG_LEVEL_INFO;
  67
  68 static const unsigned short awHWRetry0[5][5] = {
  69         {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
  70         {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
  71         {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
  72         {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
  73         {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
  74 };
  75 static const unsigned short awHWRetry1[5][5] = {
  76         {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
  77         {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
  78         {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
  79         {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
  80         {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
  81 };
  82
  83 /*---------------------  Static Functions  --------------------------*/
  84
  85 void s_vCheckSensitivity(
  86         void *hDeviceContext
  87 );
  88
  89 #ifdef Calcu_LinkQual
  90 void s_uCalculateLinkQual(
  91         void *hDeviceContext
  92 );
  93 #endif
  94
  95 void s_vCheckPreEDThreshold(
  96         void *hDeviceContext
  97 );
  98 /*---------------------  Export Variables  --------------------------*/
  99
 100 /*---------------------  Export Functions  --------------------------*/
 101
 102 /*+
 103  *
 104  * Routine Description:
 105  *    Search known BSS list for Desire SSID or BSSID.
 106  *
 107  * Return Value:
 108  *    PTR to KnownBSS or NULL
 109  *
 110  -*/
 111
 112 PKnownBSS
 113 BSSpSearchBSSList(
 114         void *hDeviceContext,
 115         unsigned char *pbyDesireBSSID,
 116         unsigned char *pbyDesireSSID,
 117         CARD_PHY_TYPE  ePhyType
 118 )
 119 {
 120         PSDevice        pDevice = (PSDevice)hDeviceContext;
 121         PSMgmtObject    pMgmt = pDevice->pMgmt;
 122         unsigned char *pbyBSSID = NULL;
 123         PWLAN_IE_SSID   pSSID = NULL;
 124         PKnownBSS       pCurrBSS = NULL;
 125         PKnownBSS       pSelect = NULL;
 126         unsigned char ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
 127         unsigned int ii = 0;
 128
 129         if (pbyDesireBSSID != NULL) {
 130                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 131                         "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID);
 132                 if ((!is_broadcast_ether_addr(pbyDesireBSSID)) &&
 133                     (memcmp(pbyDesireBSSID, ZeroBSSID, 6) != 0))
 134                         pbyBSSID = pbyDesireBSSID;
 135         }
 136         if (pbyDesireSSID != NULL) {
 137                 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0)
 138                         pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
 139         }
 140
 141         if (pbyBSSID != NULL) {
 142                 /* match BSSID first */
 143                 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 144                         pCurrBSS = &(pMgmt->sBSSList[ii]);
 145                         if (!pDevice->bLinkPass)
 146                                 pCurrBSS->bSelected = false;
 147                         if ((pCurrBSS->bActive) &&
 148                             (!pCurrBSS->bSelected)) {
 149                                 if (ether_addr_equal(pCurrBSS->abyBSSID,
 150                                                      pbyBSSID)) {
 151                                         if (pSSID != NULL) {
 152                                                 /* compare ssid */
 153                                                 if (!memcmp(pSSID->abySSID,
 154                                                             ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 155                                                             pSSID->len)) {
 156                                                         if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 157                                                             ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 158                                                             ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 159 ) {
 160                                                                 pCurrBSS->bSelected = true;
 161                                                                 return pCurrBSS;
 162                                                         }
 163                                                 }
 164                                         } else {
 165                                                 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 166                                                     ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 167                                                     ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 168 ) {
 169                                                         pCurrBSS->bSelected = true;
 170                                                         return pCurrBSS;
 171                                                 }
 172                                         }
 173                                 }
 174                         }
 175                 }
 176         } else {
 177                 /* ignore BSSID */
 178                 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 179                         pCurrBSS = &(pMgmt->sBSSList[ii]);
 180                         /* 2007-0721-01<Add>by MikeLiu */
 181                         pCurrBSS->bSelected = false;
 182                         if (pCurrBSS->bActive) {
 183                                 if (pSSID != NULL) {
 184                                         /* matched SSID */
 185                                         if (!!memcmp(pSSID->abySSID,
 186                                                      ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 187                                                      pSSID->len) ||
 188                                             (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
 189                                                 /* SSID not match skip this BSS */
 190                                                 continue;
 191                                         }
 192                                 }
 193                                 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
 194                                     ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
 195 ) {
 196                                         /* Type not match skip this BSS */
 197                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
 198                                         continue;
 199                                 }
 200
 201                                 if (ePhyType != PHY_TYPE_AUTO) {
 202                                         if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
 203                                             ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
 204                                                 /* PhyType not match skip this BSS */
 205                                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
 206                                                 continue;
 207                                         }
 208                                 }
 209
 210                                 if (pSelect == NULL) {
 211                                         pSelect = pCurrBSS;
 212                                 } else {
 213                                         /* compare RSSI, select signal strong one */
 214                                         if (pCurrBSS->uRSSI < pSelect->uRSSI)
 215                                                 pSelect = pCurrBSS;
 216                                 }
 217                         }
 218                 }
 219                 if (pSelect != NULL) {
 220                         pSelect->bSelected = true;
 221                         return pSelect;
 222                 }
 223         }
 224         return NULL;
 225 }
 226
 227 /*+
 228  *
 229  * Routine Description:
 230  *    Clear BSS List
 231  *
 232  * Return Value:
 233  *    None.
 234  *
 235  -*/
 236
 237 void
 238 BSSvClearBSSList(
 239         void *hDeviceContext,
 240         bool bKeepCurrBSSID
 241 )
 242 {
 243         PSDevice     pDevice = (PSDevice)hDeviceContext;
 244         PSMgmtObject    pMgmt = pDevice->pMgmt;
 245         unsigned int ii;
 246
 247         for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 248                 if (bKeepCurrBSSID) {
 249                         if (pMgmt->sBSSList[ii].bActive &&
 250                             ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID,
 251                                              pMgmt->abyCurrBSSID)) {
 252                                 continue;
 253                         }
 254                 }
 255
 256                 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
 257                         pMgmt->sBSSList[ii].uClearCount++;
 258                         continue;
 259                 }
 260
 261                 pMgmt->sBSSList[ii].bActive = false;
 262                 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
 263         }
 264         BSSvClearAnyBSSJoinRecord(pDevice);
 265 }
 266
 267 /*+
 268  *
 269  * Routine Description:
 270  *    search BSS list by BSSID & SSID if matched
 271  *
 272  * Return Value:
 273  *    true if found.
 274  *
 275  -*/
 276 PKnownBSS
 277 BSSpAddrIsInBSSList(
 278         void *hDeviceContext,
 279         unsigned char *abyBSSID,
 280         PWLAN_IE_SSID pSSID
 281 )
 282 {
 283         PSDevice     pDevice = (PSDevice)hDeviceContext;
 284         PSMgmtObject    pMgmt = pDevice->pMgmt;
 285         PKnownBSS       pBSSList = NULL;
 286         unsigned int ii;
 287
 288         for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 289                 pBSSList = &(pMgmt->sBSSList[ii]);
 290                 if (pBSSList->bActive) {
 291                         if (ether_addr_equal(pBSSList->abyBSSID, abyBSSID)) {
 292                                 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len) {
 293                                         if (memcmp(pSSID->abySSID,
 294                                                    ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
 295                                                    pSSID->len) == 0)
 296                                                 return pBSSList;
 297                                 }
 298                         }
 299                 }
 300         }
 301
 302         return NULL;
 303 };
 304
 305 /*+
 306  *
 307  * Routine Description:
 308  *    Insert a BSS set into known BSS list
 309  *
 310  * Return Value:
 311  *    true if success.
 312  *
 313  -*/
 314
 315 bool
 316 BSSbInsertToBSSList(
 317         void *hDeviceContext,
 318         unsigned char *abyBSSIDAddr,
 319         QWORD qwTimestamp,
 320         unsigned short wBeaconInterval,
 321         unsigned short wCapInfo,
 322         unsigned char byCurrChannel,
 323         PWLAN_IE_SSID pSSID,
 324         PWLAN_IE_SUPP_RATES pSuppRates,
 325         PWLAN_IE_SUPP_RATES pExtSuppRates,
 326         PERPObject psERP,
 327         PWLAN_IE_RSN pRSN,
 328         PWLAN_IE_RSN_EXT pRSNWPA,
 329         PWLAN_IE_COUNTRY pIE_Country,
 330         PWLAN_IE_QUIET pIE_Quiet,
 331         unsigned int uIELength,
 332         unsigned char *pbyIEs,
 333         void *pRxPacketContext
 334 )
 335 {
 336         PSDevice     pDevice = (PSDevice)hDeviceContext;
 337         PSMgmtObject    pMgmt = pDevice->pMgmt;
 338         PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 339         PKnownBSS       pBSSList = NULL;
 340         unsigned int ii;
 341         bool bParsingQuiet = false;
 342         PWLAN_IE_QUIET  pQuiet = NULL;
 343
 344         pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
 345
 346         for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 347                 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
 348                 if (!pBSSList->bActive)
 349                         break;
 350         }
 351
 352         if (ii == MAX_BSS_NUM) {
 353                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
 354                 return false;
 355         }
 356         /* save the BSS info */
 357         pBSSList->bActive = true;
 358         memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
 359         HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 360         LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 361         pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 362         pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 363         pBSSList->uClearCount = 0;
 364
 365         if (pSSID->len > WLAN_SSID_MAXLEN)
 366                 pSSID->len = WLAN_SSID_MAXLEN;
 367         memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 368
 369         pBSSList->uChannel = byCurrChannel;
 370
 371         if (pSuppRates->len > WLAN_RATES_MAXLEN)
 372                 pSuppRates->len = WLAN_RATES_MAXLEN;
 373         memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 374
 375         if (pExtSuppRates != NULL) {
 376                 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
 377                         pExtSuppRates->len = WLAN_RATES_MAXLEN;
 378                 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 379                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
 380
 381         } else {
 382                 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 383         }
 384         pBSSList->sERP.byERP = psERP->byERP;
 385         pBSSList->sERP.bERPExist = psERP->bERPExist;
 386
 387         /* check if BSS is 802.11a/b/g */
 388         if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 389                 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 390         } else {
 391                 if (pBSSList->sERP.bERPExist)
 392                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 393                 else
 394                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 395         }
 396
 397         pBSSList->byRxRate = pRxPacket->byRxRate;
 398         pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 399         pBSSList->uRSSI = pRxPacket->uRSSI;
 400         pBSSList->bySQ = pRxPacket->bySQ;
 401
 402         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 403             (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 404                 /* assoc with BSS */
 405                 if (pBSSList == pMgmt->pCurrBSS)
 406                         bParsingQuiet = true;
 407         }
 408
 409         WPA_ClearRSN(pBSSList);
 410
 411         if (pRSNWPA != NULL) {
 412                 unsigned int uLen = pRSNWPA->len + 2;
 413
 414                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
 415                         pBSSList->wWPALen = uLen;
 416                         memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 417                         WPA_ParseRSN(pBSSList, pRSNWPA);
 418                 }
 419         }
 420
 421         WPA2_ClearRSN(pBSSList);
 422
 423         if (pRSN != NULL) {
 424                 unsigned int uLen = pRSN->len + 2;
 425
 426                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
 427                         pBSSList->wRSNLen = uLen;
 428                         memcpy(pBSSList->byRSNIE, pRSN, uLen);
 429                         WPA2vParseRSN(pBSSList, pRSN);
 430                 }
 431         }
 432
 433         if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || pBSSList->bWPA2Valid) {
 434                 PSKeyItem  pTransmitKey = NULL;
 435                 bool bIs802_1x = false;
 436
 437                 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) {
 438                         if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
 439                                 bIs802_1x = true;
 440                                 break;
 441                         }
 442                 }
 443                 if (bIs802_1x && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
 444                     (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 445                         bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
 446
 447                         if (pDevice->bLinkPass && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 448                                 if (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) ||
 449                                     KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey)) {
 450                                         pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
 451                                         pDevice->gsPMKIDCandidate.Version = 1;
 452
 453                                 }
 454
 455                         }
 456                 }
 457         }
 458
 459         if (pDevice->bUpdateBBVGA) {
 460                 /* monitor if RSSI is too strong */
 461                 pBSSList->byRSSIStatCnt = 0;
 462                 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
 463                 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
 464                 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
 465                         pBSSList->ldBmAverage[ii] = 0;
 466         }
 467
 468         if ((pIE_Country != NULL) && pMgmt->b11hEnable) {
 469                 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
 470                                  pIE_Country);
 471         }
 472
 473         if (bParsingQuiet && (pIE_Quiet != NULL)) {
 474                 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
 475                     (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
 476                         /* valid EID */
 477                         if (pQuiet == NULL) {
 478                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 479                                 CARDbSetQuiet(pMgmt->pAdapter,
 480                                               true,
 481                                               pQuiet->byQuietCount,
 482                                               pQuiet->byQuietPeriod,
 483                                               *((unsigned short *)pQuiet->abyQuietDuration),
 484                                               *((unsigned short *)pQuiet->abyQuietOffset)
 485 );
 486                         } else {
 487                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 488                                 CARDbSetQuiet(pMgmt->pAdapter,
 489                                               false,
 490                                               pQuiet->byQuietCount,
 491                                               pQuiet->byQuietPeriod,
 492                                               *((unsigned short *)pQuiet->abyQuietDuration),
 493                                               *((unsigned short *)pQuiet->abyQuietOffset)
 494                                         );
 495                         }
 496                 }
 497         }
 498
 499         if (bParsingQuiet && (pQuiet != NULL))
 500                 CARDbStartQuiet(pMgmt->pAdapter);
 501
 502         pBSSList->uIELength = uIELength;
 503         if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 504                 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 505         memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 506
 507         return true;
 508 }
 509
 510 /*+
 511  *
 512  * Routine Description:
 513  *    Update BSS set in known BSS list
 514  *
 515  * Return Value:
 516  *    true if success.
 517  *
 518  -*/
 519 /* TODO: input structure modify */
 520
 521 bool
 522 BSSbUpdateToBSSList(
 523         void *hDeviceContext,
 524         QWORD qwTimestamp,
 525         unsigned short wBeaconInterval,
 526         unsigned short wCapInfo,
 527         unsigned char byCurrChannel,
 528         bool bChannelHit,
 529         PWLAN_IE_SSID pSSID,
 530         PWLAN_IE_SUPP_RATES pSuppRates,
 531         PWLAN_IE_SUPP_RATES pExtSuppRates,
 532         PERPObject psERP,
 533         PWLAN_IE_RSN pRSN,
 534         PWLAN_IE_RSN_EXT pRSNWPA,
 535         PWLAN_IE_COUNTRY pIE_Country,
 536         PWLAN_IE_QUIET pIE_Quiet,
 537         PKnownBSS pBSSList,
 538         unsigned int uIELength,
 539         unsigned char *pbyIEs,
 540         void *pRxPacketContext
 541 )
 542 {
 543         int             ii;
 544         PSDevice        pDevice = (PSDevice)hDeviceContext;
 545         PSMgmtObject    pMgmt = pDevice->pMgmt;
 546         PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 547         long            ldBm;
 548         bool bParsingQuiet = false;
 549         PWLAN_IE_QUIET  pQuiet = NULL;
 550
 551         if (pBSSList == NULL)
 552                 return false;
 553
 554         HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 555         LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 556         pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 557         pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 558         pBSSList->uClearCount = 0;
 559         pBSSList->uChannel = byCurrChannel;
 560
 561         if (pSSID->len > WLAN_SSID_MAXLEN)
 562                 pSSID->len = WLAN_SSID_MAXLEN;
 563
 564         if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
 565                 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 566         memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 567
 568         if (pExtSuppRates != NULL)
 569                 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 570         else
 571                 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 572         pBSSList->sERP.byERP = psERP->byERP;
 573         pBSSList->sERP.bERPExist = psERP->bERPExist;
 574
 575         /* check if BSS is 802.11a/b/g */
 576         if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 577                 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 578         } else {
 579                 if (pBSSList->sERP.bERPExist)
 580                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 581                 else
 582                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 583         }
 584
 585         pBSSList->byRxRate = pRxPacket->byRxRate;
 586         pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 587         if (bChannelHit)
 588                 pBSSList->uRSSI = pRxPacket->uRSSI;
 589         pBSSList->bySQ = pRxPacket->bySQ;
 590
 591         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 592             (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 593                 /* assoc with BSS */
 594                 if (pBSSList == pMgmt->pCurrBSS)
 595                         bParsingQuiet = true;
 596         }
 597
 598         WPA_ClearRSN(pBSSList);         /* mike update */
 599
 600         if (pRSNWPA != NULL) {
 601                 unsigned int uLen = pRSNWPA->len + 2;
 602
 603                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
 604                         pBSSList->wWPALen = uLen;
 605                         memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 606                         WPA_ParseRSN(pBSSList, pRSNWPA);
 607                 }
 608         }
 609
 610         WPA2_ClearRSN(pBSSList);  /* mike update */
 611
 612         if (pRSN != NULL) {
 613                 unsigned int uLen = pRSN->len + 2;
 614
 615                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
 616                         pBSSList->wRSNLen = uLen;
 617                         memcpy(pBSSList->byRSNIE, pRSN, uLen);
 618                         WPA2vParseRSN(pBSSList, pRSN);
 619                 }
 620         }
 621
 622         if (pRxPacket->uRSSI != 0) {
 623                 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &ldBm);
 624                 /* monitor if RSSI is too strong */
 625                 pBSSList->byRSSIStatCnt++;
 626                 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
 627                 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
 628                 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
 629                         if (pBSSList->ldBmAverage[ii] != 0)
 630                                 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
 631                 }
 632         }
 633
 634         if ((pIE_Country != NULL) && pMgmt->b11hEnable) {
 635                 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
 636                                  pIE_Country);
 637         }
 638
 639         if (bParsingQuiet && (pIE_Quiet != NULL)) {
 640                 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
 641                     (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
 642                         /* valid EID */
 643                         if (pQuiet == NULL) {
 644                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 645                                 CARDbSetQuiet(pMgmt->pAdapter,
 646                                               true,
 647                                               pQuiet->byQuietCount,
 648                                               pQuiet->byQuietPeriod,
 649                                               *((unsigned short *)pQuiet->abyQuietDuration),
 650                                               *((unsigned short *)pQuiet->abyQuietOffset)
 651 );
 652                         } else {
 653                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 654                                 CARDbSetQuiet(pMgmt->pAdapter,
 655                                               false,
 656                                               pQuiet->byQuietCount,
 657                                               pQuiet->byQuietPeriod,
 658                                               *((unsigned short *)pQuiet->abyQuietDuration),
 659                                               *((unsigned short *)pQuiet->abyQuietOffset)
 660                                         );
 661                         }
 662                 }
 663         }
 664
 665         if (bParsingQuiet && (pQuiet != NULL))
 666                 CARDbStartQuiet(pMgmt->pAdapter);
 667
 668         pBSSList->uIELength = uIELength;
 669         if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 670                 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 671         memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 672
 673         return true;
 674 }
 675
 676 /*+
 677  *
 678  * Routine Description:
 679  *    Search Node DB table to find the index of matched DstAddr
 680  *
 681  * Return Value:
 682  *    None
 683  *
 684  -*/
 685
 686 bool
 687 BSSDBbIsSTAInNodeDB(void *pMgmtObject, unsigned char *abyDstAddr,
 688                     unsigned int *puNodeIndex)
 689 {
 690         PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
 691         unsigned int ii;
 692
 693         /* Index = 0 reserved for AP Node */
 694         for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 695                 if (pMgmt->sNodeDBTable[ii].bActive) {
 696                         if (ether_addr_equal(abyDstAddr,
 697                                              pMgmt->sNodeDBTable[ii].abyMACAddr)) {
 698                                 *puNodeIndex = ii;
 699                                 return true;
 700                         }
 701                 }
 702         }
 703
 704         return false;
 705 };
 706
 707 /*+
 708  *
 709  * Routine Description:
 710  *    Find an empty node and allocat it; if there is no empty node,
 711  *    then use the most inactive one.
 712  *
 713  * Return Value:
 714  *    None
 715  *
 716  -*/
 717 void
 718 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
 719 {
 720         PSDevice     pDevice = (PSDevice)hDeviceContext;
 721         PSMgmtObject    pMgmt = pDevice->pMgmt;
 722         unsigned int ii;
 723         unsigned int BigestCount = 0;
 724         unsigned int SelectIndex;
 725         struct sk_buff  *skb;
 726         /*
 727          * Index = 0 reserved for AP Node (In STA mode)
 728          * Index = 0 reserved for Broadcast/MultiCast (In AP mode)
 729          */
 730         SelectIndex = 1;
 731         for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 732                 if (pMgmt->sNodeDBTable[ii].bActive) {
 733                         if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
 734                                 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
 735                                 SelectIndex = ii;
 736                         }
 737                 } else {
 738                         break;
 739                 }
 740         }
 741
 742         /* if not found replace uInActiveCount is largest one */
 743         if (ii == (MAX_NODE_NUM + 1)) {
 744                 *puNodeIndex = SelectIndex;
 745                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
 746                 /* clear ps buffer */
 747                 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
 748                         while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
 749                                 dev_kfree_skb(skb);
 750                 }
 751         } else {
 752                 *puNodeIndex = ii;
 753         }
 754
 755         memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
 756         pMgmt->sNodeDBTable[*puNodeIndex].bActive = true;
 757         pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
 758         /* for AP mode PS queue */
 759         skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
 760         pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
 761         pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
 762         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
 763         return;
 764 };
 765
 766 /*+
 767  *
 768  * Routine Description:
 769  *    Remove Node by NodeIndex
 770  *
 771  *
 772  * Return Value:
 773  *    None
 774  *
 775  -*/
 776 void
 777 BSSvRemoveOneNode(
 778         void *hDeviceContext,
 779         unsigned int uNodeIndex
 780 )
 781 {
 782         PSDevice        pDevice = (PSDevice)hDeviceContext;
 783         PSMgmtObject    pMgmt = pDevice->pMgmt;
 784         unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 785         struct sk_buff  *skb;
 786
 787         while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
 788                 dev_kfree_skb(skb);
 789         /* clear context */
 790         memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
 791         /* clear tx bit map */
 792         pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &=  ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
 793
 794         return;
 795 };
 796 /*+
 797  *
 798  * Routine Description:
 799  *    Update AP Node content in Index 0 of KnownNodeDB
 800  *
 801  *
 802  * Return Value:
 803  *    None
 804  *
 805  -*/
 806
 807 void
 808 BSSvUpdateAPNode(
 809         void *hDeviceContext,
 810         unsigned short *pwCapInfo,
 811         PWLAN_IE_SUPP_RATES pSuppRates,
 812         PWLAN_IE_SUPP_RATES pExtSuppRates
 813 )
 814 {
 815         PSDevice     pDevice = (PSDevice)hDeviceContext;
 816         PSMgmtObject    pMgmt = pDevice->pMgmt;
 817         unsigned int uRateLen = WLAN_RATES_MAXLEN;
 818
 819         memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 820
 821         pMgmt->sNodeDBTable[0].bActive = true;
 822         if (pDevice->eCurrentPHYType == PHY_TYPE_11B)
 823                 uRateLen = WLAN_RATES_MAXLEN_11B;
 824         pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
 825                                                 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 826                                                 uRateLen);
 827         pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
 828                                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 829                                                    uRateLen);
 830         RATEvParseMaxRate((void *)pDevice,
 831                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 832                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 833                           true,
 834                           &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 835                           &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 836                           &(pMgmt->sNodeDBTable[0].wSuppRate),
 837                           &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 838                           &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 839 );
 840         memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
 841         pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
 842         pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
 843         pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 844         netdev_dbg(pDevice->dev, "BSSvUpdateAPNode:MaxSuppRate is %d\n",
 845                    pMgmt->sNodeDBTable[0].wMaxSuppRate);
 846         /* auto rate fallback function initiation */
 847         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->sNodeDBTable[0].wTxDataRate = %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
 848 };
 849
 850 /*+
 851  *
 852  * Routine Description:
 853  *    Add Multicast Node content in Index 0 of KnownNodeDB
 854  *
 855  *
 856  * Return Value:
 857  *    None
 858  *
 859  -*/
 860
 861 void
 862 BSSvAddMulticastNode(
 863         void *hDeviceContext
 864 )
 865 {
 866         PSDevice     pDevice = (PSDevice)hDeviceContext;
 867         PSMgmtObject    pMgmt = pDevice->pMgmt;
 868
 869         if (!pDevice->bEnableHostWEP)
 870                 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 871         memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
 872         pMgmt->sNodeDBTable[0].bActive = true;
 873         pMgmt->sNodeDBTable[0].bPSEnable = false;
 874         skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
 875         RATEvParseMaxRate((void *)pDevice,
 876                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 877                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 878                           true,
 879                           &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 880                           &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 881                           &(pMgmt->sNodeDBTable[0].wSuppRate),
 882                           &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 883                           &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 884 );
 885         pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
 886         netdev_dbg(pDevice->dev,
 887                    "BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n",
 888                    pMgmt->sNodeDBTable[0].wTxDataRate);
 889         pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 890 };
 891
 892 /*+
 893  *
 894  * Routine Description:
 895  *
 896  *
 897  *  Second call back function to update Node DB info & AP link status
 898  *
 899  *
 900  * Return Value:
 901  *    none.
 902  *
 903  -*/
 904 void
 905 BSSvSecondCallBack(
 906         void *hDeviceContext
 907 )
 908 {
 909         PSDevice        pDevice = (PSDevice)hDeviceContext;
 910         PSMgmtObject    pMgmt = pDevice->pMgmt;
 911         unsigned int ii;
 912         PWLAN_IE_SSID   pItemSSID, pCurrSSID;
 913         unsigned int uSleepySTACnt = 0;
 914         unsigned int uNonShortSlotSTACnt = 0;
 915         unsigned int uLongPreambleSTACnt = 0;
 916         viawget_wpa_header *wpahdr;  /* DavidWang */
 917
 918         spin_lock_irq(&pDevice->lock);
 919
 920         pDevice->uAssocCount = 0;
 921
 922         pDevice->byERPFlag &=
 923                 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
 924
 925         if (pDevice->wUseProtectCntDown > 0) {
 926                 pDevice->wUseProtectCntDown--;
 927         } else {
 928                 /* disable protect mode */
 929                 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
 930         }
 931
 932         if (pDevice->eCommandState == WLAN_ASSOCIATE_WAIT) {
 933                 pDevice->byReAssocCount++;
 934                 /* 10 sec timeout */
 935                 if ((pDevice->byReAssocCount > 10) && (!pDevice->bLinkPass)) {
 936                         netdev_info(pDevice->dev, "Re-association timeout!!!\n");
 937                         pDevice->byReAssocCount = 0;
 938 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 939                         {
 940                                 union iwreq_data  wrqu;
 941
 942                                 memset(&wrqu, 0, sizeof(wrqu));
 943                                 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 944                                 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
 945                                 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
 946                         }
 947 #endif
 948                 } else if (pDevice->bLinkPass)
 949                         pDevice->byReAssocCount = 0;
 950         }
 951
 952 #ifdef Calcu_LinkQual
 953         s_uCalculateLinkQual((void *)pDevice);
 954 #endif
 955
 956         for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
 957                 if (pMgmt->sNodeDBTable[ii].bActive) {
 958                         /* increase in-activity counter */
 959                         pMgmt->sNodeDBTable[ii].uInActiveCount++;
 960
 961                         if (ii > 0) {
 962                                 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
 963                                         BSSvRemoveOneNode(pDevice, ii);
 964                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 965                                                 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
 966                                         continue;
 967                                 }
 968
 969                                 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
 970                                         pDevice->uAssocCount++;
 971
 972                                         /* check if Non ERP exist */
 973                                         if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
 974                                                 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
 975                                                         pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
 976                                                         uLongPreambleSTACnt++;
 977                                                 }
 978                                                 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
 979                                                         pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
 980                                                         pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
 981                                                 }
 982                                                 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
 983                                                         uNonShortSlotSTACnt++;
 984                                         }
 985                                 }
 986
 987                                 /* check if any STA in PS mode */
 988                                 if (pMgmt->sNodeDBTable[ii].bPSEnable)
 989                                         uSleepySTACnt++;
 990
 991                         }
 992
 993                         /* rate fallback check */
 994                         if (!pDevice->bFixRate) {
 995                                 if (ii > 0) {
 996                                         /* ii = 0 for multicast node (AP & Adhoc) */
 997                                         RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
 998                                 } else {
 999                                         /* ii = 0 reserved for unicast AP node (Infra STA) */
1000                                         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1001                                                 netdev_dbg(pDevice->dev,
1002                                                            "SecondCallback:Before:TxDataRate is %d\n",
1003                                                            pMgmt->sNodeDBTable[0].wTxDataRate);
1004                                         RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1005                                         netdev_dbg(pDevice->dev,
1006                                                    "SecondCallback:After:TxDataRate is %d\n",
1007                                                    pMgmt->sNodeDBTable[0].wTxDataRate);
1008
1009                                 }
1010
1011                         }
1012
1013                         /* check if pending PS queue */
1014                         if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1015                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending\n",
1016                                         ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1017                                 if ((ii > 0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1018                                         BSSvRemoveOneNode(pDevice, ii);
1019                                         DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove\n", ii);
1020                                         continue;
1021                                 }
1022                         }
1023                 }
1024
1025         }
1026
1027         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) {
1028                 /* on/off protect mode */
1029                 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1030                         if (!pDevice->bProtectMode) {
1031                                 MACvEnableProtectMD(pDevice->PortOffset);
1032                                 pDevice->bProtectMode = true;
1033                         }
1034                 } else {
1035                         if (pDevice->bProtectMode) {
1036                                 MACvDisableProtectMD(pDevice->PortOffset);
1037                                 pDevice->bProtectMode = false;
1038                         }
1039                 }
1040                 /* on/off short slot time */
1041
1042                 if (uNonShortSlotSTACnt > 0) {
1043                         if (pDevice->bShortSlotTime) {
1044                                 pDevice->bShortSlotTime = false;
1045                                 BBvSetShortSlotTime(pDevice);
1046                                 vUpdateIFS((void *)pDevice);
1047                         }
1048                 } else {
1049                         if (!pDevice->bShortSlotTime) {
1050                                 pDevice->bShortSlotTime = true;
1051                                 BBvSetShortSlotTime(pDevice);
1052                                 vUpdateIFS((void *)pDevice);
1053                         }
1054                 }
1055
1056                 /* on/off barker long preamble mode */
1057
1058                 if (uLongPreambleSTACnt > 0) {
1059                         if (!pDevice->bBarkerPreambleMd) {
1060                                 MACvEnableBarkerPreambleMd(pDevice->PortOffset);
1061                                 pDevice->bBarkerPreambleMd = true;
1062                         }
1063                 } else {
1064                         if (pDevice->bBarkerPreambleMd) {
1065                                 MACvDisableBarkerPreambleMd(pDevice->PortOffset);
1066                                 pDevice->bBarkerPreambleMd = false;
1067                         }
1068                 }
1069
1070         }
1071
1072         /* check if any STA in PS mode, enable DTIM multicast deliver */
1073         if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1074                 if (uSleepySTACnt > 0)
1075                         pMgmt->sNodeDBTable[0].bPSEnable = true;
1076                 else
1077                         pMgmt->sNodeDBTable[0].bPSEnable = false;
1078         }
1079
1080         pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1081         pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1082
1083         if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1084             (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1085                 /* assoc with BSS */
1086                 if (pMgmt->sNodeDBTable[0].bActive) {
1087                         if (pDevice->bUpdateBBVGA)
1088                                 s_vCheckPreEDThreshold((void *)pDevice);
1089
1090                         if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1091                             (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) {
1092                                 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1093                                 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1094                         }
1095
1096                         if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1097                                 pMgmt->sNodeDBTable[0].bActive = false;
1098                                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1099                                 pMgmt->eCurrState = WMAC_STATE_IDLE;
1100                                 netif_stop_queue(pDevice->dev);
1101                                 pDevice->bLinkPass = false;
1102                                 pDevice->bRoaming = true;
1103                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1104                                 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1105                                         wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1106                                         wpahdr->type = VIAWGET_DISASSOC_MSG;
1107                                         wpahdr->resp_ie_len = 0;
1108                                         wpahdr->req_ie_len = 0;
1109                                         skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1110                                         pDevice->skb->dev = pDevice->wpadev;
1111                                         skb_reset_mac_header(pDevice->skb);
1112                                         pDevice->skb->pkt_type = PACKET_HOST;
1113                                         pDevice->skb->protocol = htons(ETH_P_802_2);
1114                                         memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1115                                         netif_rx(pDevice->skb);
1116                                         pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1117                                 }
1118 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1119                                 {
1120                                         union iwreq_data  wrqu;
1121
1122                                         memset(&wrqu, 0, sizeof(wrqu));
1123                                         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1124                                         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1125                                         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1126                                 }
1127 #endif
1128                         }
1129                 } else if (pItemSSID->len != 0) {
1130                         if (pDevice->uAutoReConnectTime < 10) {
1131                                 pDevice->uAutoReConnectTime++;
1132 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1133                                 /*
1134                                  * network manager support need not do
1135                                  * Roaming scan???
1136                                  */
1137                                 if (pDevice->bWPASuppWextEnabled)
1138                                         pDevice->uAutoReConnectTime = 0;
1139 #endif
1140                         } else {
1141                                 /*
1142                                  * mike use old encryption status
1143                                  * for wpa reauthentication
1144                                  */
1145                                 if (pDevice->bWPADEVUp)
1146                                         pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1147
1148                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1149                                 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
1150                                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1151                                 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1152                                 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1153                                 pDevice->uAutoReConnectTime = 0;
1154                         }
1155                 }
1156         }
1157
1158         if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1159                 /* if adhoc started which essid is NULL string, rescanning */
1160                 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1161                         if (pDevice->uAutoReConnectTime < 10) {
1162                                 pDevice->uAutoReConnectTime++;
1163                         } else {
1164                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1165                                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1166                                 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1167                                 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL);
1168                                 pDevice->uAutoReConnectTime = 0;
1169                         }
1170                 }
1171                 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1172                         if (pDevice->bUpdateBBVGA)
1173                                 s_vCheckPreEDThreshold((void *)pDevice);
1174                         if (pMgmt->sNodeDBTable[0].uInActiveCount >= ADHOC_LOST_BEACON_COUNT) {
1175                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1176                                 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1177                                 pMgmt->eCurrState = WMAC_STATE_STARTED;
1178                                 netif_stop_queue(pDevice->dev);
1179                                 pDevice->bLinkPass = false;
1180                         }
1181                 }
1182         }
1183
1184         spin_unlock_irq(&pDevice->lock);
1185
1186         pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1187         add_timer(&pMgmt->sTimerSecondCallback);
1188 }
1189
1190 /*+
1191  *
1192  * Routine Description:
1193  *
1194  *
1195  *  Update Tx attemps, Tx failure counter in Node DB
1196  *
1197  *
1198  * Return Value:
1199  *    none.
1200  *
1201  -*/
1202
1203 void
1204 BSSvUpdateNodeTxCounter(
1205         void *hDeviceContext,
1206         unsigned char byTsr0,
1207         unsigned char byTsr1,
1208         unsigned char *pbyBuffer,
1209         unsigned int uFIFOHeaderSize
1210 )
1211 {
1212         PSDevice        pDevice = (PSDevice)hDeviceContext;
1213         PSMgmtObject    pMgmt = pDevice->pMgmt;
1214         unsigned int uNodeIndex = 0;
1215         unsigned char byTxRetry = (byTsr0 & TSR0_NCR);
1216         PSTxBufHead     pTxBufHead;
1217         PS802_11Header  pMACHeader;
1218         unsigned short wRate;
1219         unsigned short wFallBackRate = RATE_1M;
1220         unsigned char byFallBack;
1221         unsigned int ii;
1222
1223         pTxBufHead = (PSTxBufHead) pbyBuffer;
1224         if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0)
1225                 byFallBack = AUTO_FB_0;
1226         else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1)
1227                 byFallBack = AUTO_FB_1;
1228         else
1229                 byFallBack = AUTO_FB_NONE;
1230         wRate = pTxBufHead->wReserved;
1231
1232         /* Only Unicast using support rates */
1233         if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) {
1234                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1);
1235                 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1236                         pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1237                         if ((byTsr1 & TSR1_TERR) == 0) {
1238                                 /* transmit success, TxAttempts at least plus one */
1239                                 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1240                                 if ((byFallBack == AUTO_FB_NONE) ||
1241                                     (wRate < RATE_18M)) {
1242                                         wFallBackRate = wRate;
1243                                 } else if (byFallBack == AUTO_FB_0) {
1244                                         if (byTxRetry < 5)
1245                                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1246                                         else
1247                                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1248                                 } else if (byFallBack == AUTO_FB_1) {
1249                                         if (byTxRetry < 5)
1250                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1251                                         else
1252                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1253                                 }
1254                                 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1255                         } else {
1256                                 pMgmt->sNodeDBTable[0].uTxFailures++;
1257                         }
1258                         pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1259                         if (byTxRetry != 0) {
1260                                 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry;
1261                                 if ((byFallBack == AUTO_FB_NONE) ||
1262                                     (wRate < RATE_18M)) {
1263                                         pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry;
1264                                 } else if (byFallBack == AUTO_FB_0) {
1265                                         for (ii = 0; ii < byTxRetry; ii++) {
1266                                                 if (ii < 5)
1267                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1268                                                 else
1269                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1270                                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1271                                         }
1272                                 } else if (byFallBack == AUTO_FB_1) {
1273                                         for (ii = 0; ii < byTxRetry; ii++) {
1274                                                 if (ii < 5)
1275                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1276                                                 else
1277                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1278                                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1279                                         }
1280                                 }
1281                         }
1282                 }
1283
1284                 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1285                     (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1286                         pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
1287
1288                         if (BSSDBbIsSTAInNodeDB((void *)pMgmt,  &(pMACHeader->abyAddr1[0]), &uNodeIndex)) {
1289                                 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1290                                 if ((byTsr1 & TSR1_TERR) == 0) {
1291                                         /* transmit success, TxAttempts at least plus one */
1292                                         pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1293                                         if ((byFallBack == AUTO_FB_NONE) ||
1294                                             (wRate < RATE_18M)) {
1295                                                 wFallBackRate = wRate;
1296                                         } else if (byFallBack == AUTO_FB_0) {
1297                                                 if (byTxRetry < 5)
1298                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1299                                                 else
1300                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1301                                         } else if (byFallBack == AUTO_FB_1) {
1302                                                 if (byTxRetry < 5)
1303                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1304                                                 else
1305                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1306                                         }
1307                                         pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1308                                 } else {
1309                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++;
1310                                 }
1311                                 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1312                                 if (byTxRetry != 0) {
1313                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry;
1314                                         if ((byFallBack == AUTO_FB_NONE) ||
1315                                             (wRate < RATE_18M)) {
1316                                                 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry;
1317                                         } else if (byFallBack == AUTO_FB_0) {
1318                                                 for (ii = 0; ii < byTxRetry; ii++) {
1319                                                         if (ii < 5)
1320                                                                 wFallBackRate = awHWRetry0[wRate - RATE_18M][ii];
1321                                                         else
1322                                                                 wFallBackRate = awHWRetry0[wRate - RATE_18M][4];
1323                                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1324                                                 }
1325                                         } else if (byFallBack == AUTO_FB_1) {
1326                                                 for (ii = 0; ii < byTxRetry; ii++) {
1327                                                         if (ii < 5)
1328                                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1329                                                         else
1330                                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1331                                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1332                                                 }
1333                                         }
1334                                 }
1335                         }
1336                 }
1337         }
1338 }
1339
1340 /*+
1341  *
1342  * Routine Description:
1343  *    Clear Nodes & skb in DB Table
1344  *
1345  *
1346  * Parameters:
1347  *  In:
1348  *      hDeviceContext        - The adapter context.
1349  *      uStartIndex           - starting index
1350  *  Out:
1351  *      none
1352  *
1353  * Return Value:
1354  *    None.
1355  *
1356  -*/
1357
1358 void
1359 BSSvClearNodeDBTable(
1360         void *hDeviceContext,
1361         unsigned int uStartIndex
1362 )
1363
1364 {
1365         PSDevice     pDevice = (PSDevice)hDeviceContext;
1366         PSMgmtObject    pMgmt = pDevice->pMgmt;
1367         struct sk_buff  *skb;
1368         unsigned int ii;
1369
1370         for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1371                 if (pMgmt->sNodeDBTable[ii].bActive) {
1372                         /* check if sTxPSQueue has been initial */
1373                         if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1374                                 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
1375                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1376                                         dev_kfree_skb(skb);
1377                                 }
1378                         }
1379                         memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1380                 }
1381         }
1382
1383         return;
1384 };
1385
1386 void s_vCheckSensitivity(
1387         void *hDeviceContext
1388 )
1389 {
1390         PSDevice        pDevice = (PSDevice)hDeviceContext;
1391         PKnownBSS       pBSSList = NULL;
1392         PSMgmtObject    pMgmt = pDevice->pMgmt;
1393         int             ii;
1394
1395         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) &&
1396             (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
1397                 return;
1398         }
1399
1400         if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1401             ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1402                 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1403                 if (pBSSList != NULL) {
1404                         /* Update BB Reg if RSSI is too strong */
1405                         long    LocalldBmAverage = 0;
1406                         long    uNumofdBm = 0;
1407
1408                         for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1409                                 if (pBSSList->ldBmAverage[ii] != 0) {
1410                                         uNumofdBm++;
1411                                         LocalldBmAverage += pBSSList->ldBmAverage[ii];
1412                                 }
1413                         }
1414                         if (uNumofdBm > 0) {
1415                                 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1416                                 for (ii = 0; ii < BB_VGA_LEVEL; ii++) {
1417                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1418                                         if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1419                                                 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1420                                                 break;
1421                                         }
1422                                 }
1423                                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1424                                         pDevice->uBBVGADiffCount++;
1425                                         if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1426                                                 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1427                                 } else {
1428                                         pDevice->uBBVGADiffCount = 0;
1429                                 }
1430                         }
1431                 }
1432         }
1433 }
1434
1435 void
1436 BSSvClearAnyBSSJoinRecord(
1437         void *hDeviceContext
1438 )
1439 {
1440         PSDevice        pDevice = (PSDevice)hDeviceContext;
1441         PSMgmtObject    pMgmt = pDevice->pMgmt;
1442         unsigned int ii;
1443
1444         for (ii = 0; ii < MAX_BSS_NUM; ii++)
1445                 pMgmt->sBSSList[ii].bSelected = false;
1446 }
1447
1448 #ifdef Calcu_LinkQual
1449 void s_uCalculateLinkQual(
1450         void *hDeviceContext
1451 )
1452 {
1453         PSDevice        pDevice = (PSDevice)hDeviceContext;
1454         unsigned long TxOkRatio, TxCnt;
1455         unsigned long RxOkRatio, RxCnt;
1456         unsigned long RssiRatio;
1457         long ldBm;
1458
1459         TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1460                 pDevice->scStatistic.TxRetryOkCount +
1461                 pDevice->scStatistic.TxFailCount;
1462         RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1463                 pDevice->scStatistic.RxOkCnt;
1464         TxOkRatio = (TxCnt < 6) ? 4000 : ((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1465         RxOkRatio = (RxCnt < 6) ? 2000 : ((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1466         /* decide link quality */
1467         if (!pDevice->bLinkPass) {
1468                 pDevice->scStatistic.LinkQuality = 0;
1469                 pDevice->scStatistic.SignalStren = 0;
1470         } else {
1471                 RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
1472                 if (-ldBm < 50)
1473                         RssiRatio = 4000;
1474                 else if (-ldBm > 90)
1475                         RssiRatio = 0;
1476                 else
1477                         RssiRatio = (40-(-ldBm-50))*4000/40;
1478                 pDevice->scStatistic.SignalStren = RssiRatio/40;
1479                 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1480         }
1481         pDevice->scStatistic.RxFcsErrCnt = 0;
1482         pDevice->scStatistic.RxOkCnt = 0;
1483         pDevice->scStatistic.TxFailCount = 0;
1484         pDevice->scStatistic.TxNoRetryOkCount = 0;
1485         pDevice->scStatistic.TxRetryOkCount = 0;
1486 }
1487 #endif
1488
1489 void s_vCheckPreEDThreshold(
1490         void *hDeviceContext
1491 )
1492 {
1493         PSDevice        pDevice = (PSDevice)hDeviceContext;
1494         PKnownBSS       pBSSList = NULL;
1495         PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1496
1497         if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1498             ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1499                 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1500                 if (pBSSList != NULL)
1501                         pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1);
1502         }
1503 }