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 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 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         return;
 267 }
 268
 269 /*+
 270  *
 271  * Routine Description:
 272  *    search BSS list by BSSID & SSID if matched
 273  *
 274  * Return Value:
 275  *    true if found.
 276  *
 277  -*/
 278 PKnownBSS
 279 BSSpAddrIsInBSSList(
 280         void *hDeviceContext,
 281         unsigned char *abyBSSID,
 282         PWLAN_IE_SSID pSSID
 283 )
 284 {
 285         PSDevice     pDevice = (PSDevice)hDeviceContext;
 286         PSMgmtObject    pMgmt = pDevice->pMgmt;
 287         PKnownBSS       pBSSList = NULL;
 288         unsigned int ii;
 289
 290         for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 291                 pBSSList = &(pMgmt->sBSSList[ii]);
 292                 if (pBSSList->bActive) {
 293                         if (ether_addr_equal(pBSSList->abyBSSID, abyBSSID)) {
 294                                 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len) {
 295                                         if (memcmp(pSSID->abySSID,
 296                                                    ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
 297                                                    pSSID->len) == 0)
 298                                                 return pBSSList;
 299                                 }
 300                         }
 301                 }
 302         }
 303
 304         return NULL;
 305 };
 306
 307 /*+
 308  *
 309  * Routine Description:
 310  *    Insert a BSS set into known BSS list
 311  *
 312  * Return Value:
 313  *    true if success.
 314  *
 315  -*/
 316
 317 bool
 318 BSSbInsertToBSSList(
 319         void *hDeviceContext,
 320         unsigned char *abyBSSIDAddr,
 321         QWORD qwTimestamp,
 322         unsigned short wBeaconInterval,
 323         unsigned short wCapInfo,
 324         unsigned char byCurrChannel,
 325         PWLAN_IE_SSID pSSID,
 326         PWLAN_IE_SUPP_RATES pSuppRates,
 327         PWLAN_IE_SUPP_RATES pExtSuppRates,
 328         PERPObject psERP,
 329         PWLAN_IE_RSN pRSN,
 330         PWLAN_IE_RSN_EXT pRSNWPA,
 331         PWLAN_IE_COUNTRY pIE_Country,
 332         PWLAN_IE_QUIET pIE_Quiet,
 333         unsigned int uIELength,
 334         unsigned char *pbyIEs,
 335         void *pRxPacketContext
 336 )
 337 {
 338         PSDevice     pDevice = (PSDevice)hDeviceContext;
 339         PSMgmtObject    pMgmt = pDevice->pMgmt;
 340         PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 341         PKnownBSS       pBSSList = NULL;
 342         unsigned int ii;
 343         bool bParsingQuiet = false;
 344         PWLAN_IE_QUIET  pQuiet = NULL;
 345
 346         pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
 347
 348         for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 349                 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
 350                 if (!pBSSList->bActive)
 351                         break;
 352         }
 353
 354         if (ii == MAX_BSS_NUM) {
 355                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
 356                 return false;
 357         }
 358         /* save the BSS info */
 359         pBSSList->bActive = true;
 360         memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
 361         HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 362         LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 363         pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 364         pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 365         pBSSList->uClearCount = 0;
 366
 367         if (pSSID->len > WLAN_SSID_MAXLEN)
 368                 pSSID->len = WLAN_SSID_MAXLEN;
 369         memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 370
 371         pBSSList->uChannel = byCurrChannel;
 372
 373         if (pSuppRates->len > WLAN_RATES_MAXLEN)
 374                 pSuppRates->len = WLAN_RATES_MAXLEN;
 375         memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 376
 377         if (pExtSuppRates != NULL) {
 378                 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
 379                         pExtSuppRates->len = WLAN_RATES_MAXLEN;
 380                 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 381                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
 382
 383         } else {
 384                 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 385         }
 386         pBSSList->sERP.byERP = psERP->byERP;
 387         pBSSList->sERP.bERPExist = psERP->bERPExist;
 388
 389         /* check if BSS is 802.11a/b/g */
 390         if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 391                 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 392         } else {
 393                 if (pBSSList->sERP.bERPExist)
 394                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 395                 else
 396                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 397         }
 398
 399         pBSSList->byRxRate = pRxPacket->byRxRate;
 400         pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 401         pBSSList->uRSSI = pRxPacket->uRSSI;
 402         pBSSList->bySQ = pRxPacket->bySQ;
 403
 404         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 405             (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 406                 /* assoc with BSS */
 407                 if (pBSSList == pMgmt->pCurrBSS)
 408                         bParsingQuiet = true;
 409         }
 410
 411         WPA_ClearRSN(pBSSList);
 412
 413         if (pRSNWPA != NULL) {
 414                 unsigned int uLen = pRSNWPA->len + 2;
 415
 416                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
 417                         pBSSList->wWPALen = uLen;
 418                         memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 419                         WPA_ParseRSN(pBSSList, pRSNWPA);
 420                 }
 421         }
 422
 423         WPA2_ClearRSN(pBSSList);
 424
 425         if (pRSN != NULL) {
 426                 unsigned int uLen = pRSN->len + 2;
 427                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
 428                         pBSSList->wRSNLen = uLen;
 429                         memcpy(pBSSList->byRSNIE, pRSN, uLen);
 430                         WPA2vParseRSN(pBSSList, pRSN);
 431                 }
 432         }
 433
 434         if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || pBSSList->bWPA2Valid) {
 435                 PSKeyItem  pTransmitKey = NULL;
 436                 bool bIs802_1x = false;
 437
 438                 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) {
 439                         if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
 440                                 bIs802_1x = true;
 441                                 break;
 442                         }
 443                 }
 444                 if (bIs802_1x && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
 445                     (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 446                         bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
 447
 448                         if (pDevice->bLinkPass && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 449                                 if (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) ||
 450                                     KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey)) {
 451                                         pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
 452                                         pDevice->gsPMKIDCandidate.Version = 1;
 453
 454                                 }
 455
 456                         }
 457                 }
 458         }
 459
 460         if (pDevice->bUpdateBBVGA) {
 461                 /* monitor if RSSI is too strong */
 462                 pBSSList->byRSSIStatCnt = 0;
 463                 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
 464                 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
 465                 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
 466                         pBSSList->ldBmAverage[ii] = 0;
 467         }
 468
 469         if ((pIE_Country != NULL) && pMgmt->b11hEnable) {
 470                 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
 471                                  pIE_Country);
 472         }
 473
 474         if (bParsingQuiet && (pIE_Quiet != NULL)) {
 475                 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
 476                     (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
 477                         /* valid EID */
 478                         if (pQuiet == NULL) {
 479                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 480                                 CARDbSetQuiet(pMgmt->pAdapter,
 481                                               true,
 482                                               pQuiet->byQuietCount,
 483                                               pQuiet->byQuietPeriod,
 484                                               *((unsigned short *)pQuiet->abyQuietDuration),
 485                                               *((unsigned short *)pQuiet->abyQuietOffset)
 486 );
 487                         } else {
 488                                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 489                                 CARDbSetQuiet(pMgmt->pAdapter,
 490                                               false,
 491                                               pQuiet->byQuietCount,
 492                                               pQuiet->byQuietPeriod,
 493                                               *((unsigned short *)pQuiet->abyQuietDuration),
 494                                               *((unsigned short *)pQuiet->abyQuietOffset)
 495                                         );
 496                         }
 497                 }
 498         }
 499
 500         if (bParsingQuiet && (pQuiet != NULL)) {
 501                 CARDbStartQuiet(pMgmt->pAdapter);
 502         }
 503
 504         pBSSList->uIELength = uIELength;
 505         if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 506                 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 507         memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 508
 509         return true;
 510 }
 511
 512 /*+
 513  *
 514  * Routine Description:
 515  *    Update BSS set in known BSS list
 516  *
 517  * Return Value:
 518  *    true if success.
 519  *
 520  -*/
 521 /* TODO: input structure modify */
 522
 523 bool
 524 BSSbUpdateToBSSList(
 525         void *hDeviceContext,
 526         QWORD qwTimestamp,
 527         unsigned short wBeaconInterval,
 528         unsigned short wCapInfo,
 529         unsigned char byCurrChannel,
 530         bool bChannelHit,
 531         PWLAN_IE_SSID pSSID,
 532         PWLAN_IE_SUPP_RATES pSuppRates,
 533         PWLAN_IE_SUPP_RATES pExtSuppRates,
 534         PERPObject psERP,
 535         PWLAN_IE_RSN pRSN,
 536         PWLAN_IE_RSN_EXT pRSNWPA,
 537         PWLAN_IE_COUNTRY pIE_Country,
 538         PWLAN_IE_QUIET pIE_Quiet,
 539         PKnownBSS pBSSList,
 540         unsigned int uIELength,
 541         unsigned char *pbyIEs,
 542         void *pRxPacketContext
 543 )
 544 {
 545         int             ii;
 546         PSDevice        pDevice = (PSDevice)hDeviceContext;
 547         PSMgmtObject    pMgmt = pDevice->pMgmt;
 548         PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 549         long            ldBm;
 550         bool bParsingQuiet = false;
 551         PWLAN_IE_QUIET  pQuiet = NULL;
 552
 553         if (pBSSList == NULL)
 554                 return false;
 555
 556         HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 557         LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 558         pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 559         pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 560         pBSSList->uClearCount = 0;
 561         pBSSList->uChannel = byCurrChannel;
 562
 563         if (pSSID->len > WLAN_SSID_MAXLEN)
 564                 pSSID->len = WLAN_SSID_MAXLEN;
 565
 566         if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
 567                 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 568         memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 569
 570         if (pExtSuppRates != NULL)
 571                 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 572         else
 573                 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 574         pBSSList->sERP.byERP = psERP->byERP;
 575         pBSSList->sERP.bERPExist = psERP->bERPExist;
 576
 577         /* check if BSS is 802.11a/b/g */
 578         if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 579                 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 580         } else {
 581                 if (pBSSList->sERP.bERPExist)
 582                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 583                 else
 584                         pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 585         }
 586
 587         pBSSList->byRxRate = pRxPacket->byRxRate;
 588         pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 589         if (bChannelHit)
 590                 pBSSList->uRSSI = pRxPacket->uRSSI;
 591         pBSSList->bySQ = pRxPacket->bySQ;
 592
 593         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 594             (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 595                 /* assoc with BSS */
 596                 if (pBSSList == pMgmt->pCurrBSS)
 597                         bParsingQuiet = true;
 598         }
 599
 600         WPA_ClearRSN(pBSSList);         /* mike update */
 601
 602         if (pRSNWPA != NULL) {
 603                 unsigned int uLen = pRSNWPA->len + 2;
 604                 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
 605                         pBSSList->wWPALen = uLen;
 606                         memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 607                         WPA_ParseRSN(pBSSList, pRSNWPA);
 608                 }
 609         }
 610
 611         WPA2_ClearRSN(pBSSList);  /* mike update */
 612
 613         if (pRSN != NULL) {
 614                 unsigned int uLen = pRSN->len + 2;
 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
 669         pBSSList->uIELength = uIELength;
 670         if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 671                 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 672         memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 673
 674         return true;
 675 }
 676
 677 /*+
 678  *
 679  * Routine Description:
 680  *    Search Node DB table to find the index of matched DstAddr
 681  *
 682  * Return Value:
 683  *    None
 684  *
 685  -*/
 686
 687 bool
 688 BSSDBbIsSTAInNodeDB(void *pMgmtObject, unsigned char *abyDstAddr,
 689                     unsigned int *puNodeIndex)
 690 {
 691         PSMgmtObject    pMgmt = (PSMgmtObject) pMgmtObject;
 692         unsigned int ii;
 693
 694         /* Index = 0 reserved for AP Node */
 695         for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 696                 if (pMgmt->sNodeDBTable[ii].bActive) {
 697                         if (ether_addr_equal(abyDstAddr,
 698                                              pMgmt->sNodeDBTable[ii].abyMACAddr)) {
 699                                 *puNodeIndex = ii;
 700                                 return true;
 701                         }
 702                 }
 703         }
 704
 705         return false;
 706 };
 707
 708 /*+
 709  *
 710  * Routine Description:
 711  *    Find an empty node and allocat it; if there is no empty node,
 712  *    then use the most inactive one.
 713  *
 714  * Return Value:
 715  *    None
 716  *
 717  -*/
 718 void
 719 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
 720 {
 721         PSDevice     pDevice = (PSDevice)hDeviceContext;
 722         PSMgmtObject    pMgmt = pDevice->pMgmt;
 723         unsigned int ii;
 724         unsigned int BigestCount = 0;
 725         unsigned int SelectIndex;
 726         struct sk_buff  *skb;
 727         /*
 728          * Index = 0 reserved for AP Node (In STA mode)
 729          * Index = 0 reserved for Broadcast/MultiCast (In AP mode)
 730          */
 731         SelectIndex = 1;
 732         for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 733                 if (pMgmt->sNodeDBTable[ii].bActive) {
 734                         if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
 735                                 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
 736                                 SelectIndex = ii;
 737                         }
 738                 } else {
 739                         break;
 740                 }
 741         }
 742
 743         /* if not found replace uInActiveCount is largest one */
 744         if (ii == (MAX_NODE_NUM + 1)) {
 745                 *puNodeIndex = SelectIndex;
 746                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
 747                 /* clear ps buffer */
 748                 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
 749                         while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
 750                                 dev_kfree_skb(skb);
 751                 }
 752         } else {
 753                 *puNodeIndex = ii;
 754         }
 755
 756         memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
 757         pMgmt->sNodeDBTable[*puNodeIndex].bActive = true;
 758         pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
 759         /* for AP mode PS queue */
 760         skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
 761         pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
 762         pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
 763         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
 764         return;
 765 };
 766
 767 /*+
 768  *
 769  * Routine Description:
 770  *    Remove Node by NodeIndex
 771  *
 772  *
 773  * Return Value:
 774  *    None
 775  *
 776  -*/
 777 void
 778 BSSvRemoveOneNode(
 779         void *hDeviceContext,
 780         unsigned int uNodeIndex
 781 )
 782 {
 783         PSDevice        pDevice = (PSDevice)hDeviceContext;
 784         PSMgmtObject    pMgmt = pDevice->pMgmt;
 785         unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 786         struct sk_buff  *skb;
 787
 788         while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
 789                 dev_kfree_skb(skb);
 790         /* clear context */
 791         memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
 792         /* clear tx bit map */
 793         pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &=  ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
 794
 795         return;
 796 };
 797 /*+
 798  *
 799  * Routine Description:
 800  *    Update AP Node content in Index 0 of KnownNodeDB
 801  *
 802  *
 803  * Return Value:
 804  *    None
 805  *
 806  -*/
 807
 808 void
 809 BSSvUpdateAPNode(
 810         void *hDeviceContext,
 811         unsigned short *pwCapInfo,
 812         PWLAN_IE_SUPP_RATES pSuppRates,
 813         PWLAN_IE_SUPP_RATES pExtSuppRates
 814 )
 815 {
 816         PSDevice     pDevice = (PSDevice)hDeviceContext;
 817         PSMgmtObject    pMgmt = pDevice->pMgmt;
 818         unsigned int uRateLen = WLAN_RATES_MAXLEN;
 819
 820         memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 821
 822         pMgmt->sNodeDBTable[0].bActive = true;
 823         if (pDevice->eCurrentPHYType == PHY_TYPE_11B)
 824                 uRateLen = WLAN_RATES_MAXLEN_11B;
 825         pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
 826                                                 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 827                                                 uRateLen);
 828         pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
 829                                                    (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 830                                                    uRateLen);
 831         RATEvParseMaxRate((void *)pDevice,
 832                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 833                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 834                           true,
 835                           &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 836                           &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 837                           &(pMgmt->sNodeDBTable[0].wSuppRate),
 838                           &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 839                           &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 840 );
 841         memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
 842         pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
 843         pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
 844         pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 845         netdev_dbg(pDevice->dev, "BSSvUpdateAPNode:MaxSuppRate is %d\n",
 846                    pMgmt->sNodeDBTable[0].wMaxSuppRate);
 847         /* auto rate fallback function initiation */
 848         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->sNodeDBTable[0].wTxDataRate = %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
 849 };
 850
 851 /*+
 852  *
 853  * Routine Description:
 854  *    Add Multicast Node content in Index 0 of KnownNodeDB
 855  *
 856  *
 857  * Return Value:
 858  *    None
 859  *
 860  -*/
 861
 862 void
 863 BSSvAddMulticastNode(
 864         void *hDeviceContext
 865 )
 866 {
 867         PSDevice     pDevice = (PSDevice)hDeviceContext;
 868         PSMgmtObject    pMgmt = pDevice->pMgmt;
 869
 870         if (!pDevice->bEnableHostWEP)
 871                 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 872         memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
 873         pMgmt->sNodeDBTable[0].bActive = true;
 874         pMgmt->sNodeDBTable[0].bPSEnable = false;
 875         skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
 876         RATEvParseMaxRate((void *)pDevice,
 877                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 878                           (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 879                           true,
 880                           &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 881                           &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 882                           &(pMgmt->sNodeDBTable[0].wSuppRate),
 883                           &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 884                           &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 885 );
 886         pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
 887         netdev_dbg(pDevice->dev,
 888                    "BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n",
 889                    pMgmt->sNodeDBTable[0].wTxDataRate);
 890         pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 891 };
 892
 893 /*+
 894  *
 895  * Routine Description:
 896  *
 897  *
 898  *  Second call back function to update Node DB info & AP link status
 899  *
 900  *
 901  * Return Value:
 902  *    none.
 903  *
 904  -*/
 905 /* 2008-4-14 <add> by chester for led issue */
 906 #ifdef FOR_LED_ON_NOTEBOOK
 907 bool cc = false;
 908 unsigned int status;
 909 #endif
 910 void
 911 BSSvSecondCallBack(
 912         void *hDeviceContext
 913 )
 914 {
 915         PSDevice        pDevice = (PSDevice)hDeviceContext;
 916         PSMgmtObject    pMgmt = pDevice->pMgmt;
 917         unsigned int ii;
 918         PWLAN_IE_SSID   pItemSSID, pCurrSSID;
 919         unsigned int uSleepySTACnt = 0;
 920         unsigned int uNonShortSlotSTACnt = 0;
 921         unsigned int uLongPreambleSTACnt = 0;
 922         viawget_wpa_header *wpahdr;  /* DavidWang */
 923
 924         spin_lock_irq(&pDevice->lock);
 925
 926         pDevice->uAssocCount = 0;
 927
 928         pDevice->byERPFlag &=
 929                 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
 930         /* 2008-4-14 <add> by chester for led issue */
 931 #ifdef FOR_LED_ON_NOTEBOOK
 932         MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
 933         if (((!(pDevice->byGPIO & GPIO0_DATA) && (!pDevice->bHWRadioOff)) ||
 934              ((pDevice->byGPIO & GPIO0_DATA) && pDevice->bHWRadioOff)) &&
 935             (!cc)) {
 936                 cc = true;
 937         } else if (cc) {
 938                 if (pDevice->bHWRadioOff) {
 939                         if (!(pDevice->byGPIO & GPIO0_DATA)) {
 940                                 if (status == 1)
 941                                         goto start;
 942                                 status = 1;
 943                                 CARDbRadioPowerOff(pDevice);
 944                                 pMgmt->sNodeDBTable[0].bActive = false;
 945                                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
 946                                 pMgmt->eCurrState = WMAC_STATE_IDLE;
 947                                 pDevice->bLinkPass = false;
 948
 949                         }
 950                         if (pDevice->byGPIO & GPIO0_DATA) {
 951                                 if (status == 2)
 952                                         goto start;
 953                                 status = 2;
 954                                 CARDbRadioPowerOn(pDevice);
 955                         }
 956                 } else {
 957                         if (pDevice->byGPIO & GPIO0_DATA) {
 958                                 if (status == 3)
 959                                         goto start;
 960                                 status = 3;
 961                                 CARDbRadioPowerOff(pDevice);
 962                                 pMgmt->sNodeDBTable[0].bActive = false;
 963                                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
 964                                 pMgmt->eCurrState = WMAC_STATE_IDLE;
 965                                 pDevice->bLinkPass = false;
 966
 967                         }
 968                         if (!(pDevice->byGPIO & GPIO0_DATA)) {
 969                                 if (status == 4)
 970                                         goto start;
 971                                 status = 4;
 972                                 CARDbRadioPowerOn(pDevice);
 973                         }
 974                 }
 975         }
 976 start:
 977 #endif
 978
 979         if (pDevice->wUseProtectCntDown > 0) {
 980                 pDevice->wUseProtectCntDown--;
 981         } else {
 982                 /* disable protect mode */
 983                 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
 984         }
 985
 986         {
 987                 pDevice->byReAssocCount++;
 988                 /* 10 sec timeout */
 989                 if ((pDevice->byReAssocCount > 10) && (!pDevice->bLinkPass)) {
 990                         netdev_info(pDevice->dev, "Re-association timeout!!!\n");
 991                         pDevice->byReAssocCount = 0;
 992 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
 993                         {
 994                                 union iwreq_data  wrqu;
 995                                 memset(&wrqu, 0, sizeof(wrqu));
 996                                 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 997                                 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
 998                                 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
 999                         }
1000 #endif
1001                 } else if (pDevice->bLinkPass)
1002                         pDevice->byReAssocCount = 0;
1003         }
1004
1005 #ifdef Calcu_LinkQual
1006         s_uCalculateLinkQual((void *)pDevice);
1007 #endif
1008
1009         for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1010                 if (pMgmt->sNodeDBTable[ii].bActive) {
1011                         /* increase in-activity counter */
1012                         pMgmt->sNodeDBTable[ii].uInActiveCount++;
1013
1014                         if (ii > 0) {
1015                                 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1016                                         BSSvRemoveOneNode(pDevice, ii);
1017                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1018                                                 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1019                                         continue;
1020                                 }
1021
1022                                 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1023                                         pDevice->uAssocCount++;
1024
1025                                         /* check if Non ERP exist */
1026                                         if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1027                                                 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1028                                                         pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1029                                                         uLongPreambleSTACnt++;
1030                                                 }
1031                                                 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1032                                                         pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1033                                                         pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1034                                                 }
1035                                                 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1036                                                         uNonShortSlotSTACnt++;
1037                                         }
1038                                 }
1039
1040                                 /* check if any STA in PS mode */
1041                                 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1042                                         uSleepySTACnt++;
1043
1044                         }
1045
1046                         /* rate fallback check */
1047                         if (!pDevice->bFixRate) {
1048                                 if (ii > 0) {
1049                                         /* ii = 0 for multicast node (AP & Adhoc) */
1050                                         RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1051                                 } else {
1052                                         /* ii = 0 reserved for unicast AP node (Infra STA) */
1053                                         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1054                                                 netdev_dbg(pDevice->dev,
1055                                                            "SecondCallback:Before:TxDataRate is %d\n",
1056                                                            pMgmt->sNodeDBTable[0].wTxDataRate);
1057                                         RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1058                                         netdev_dbg(pDevice->dev,
1059                                                    "SecondCallback:After:TxDataRate is %d\n",
1060                                                    pMgmt->sNodeDBTable[0].wTxDataRate);
1061
1062                                 }
1063
1064                         }
1065
1066                         /* check if pending PS queue */
1067                         if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1068                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending\n",
1069                                         ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1070                                 if ((ii > 0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1071                                         BSSvRemoveOneNode(pDevice, ii);
1072                                         DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove\n", ii);
1073                                         continue;
1074                                 }
1075                         }
1076                 }
1077
1078         }
1079
1080         if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) {
1081                 /* on/off protect mode */
1082                 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1083                         if (!pDevice->bProtectMode) {
1084                                 MACvEnableProtectMD(pDevice->PortOffset);
1085                                 pDevice->bProtectMode = true;
1086                         }
1087                 } else {
1088                         if (pDevice->bProtectMode) {
1089                                 MACvDisableProtectMD(pDevice->PortOffset);
1090                                 pDevice->bProtectMode = false;
1091                         }
1092                 }
1093                 /* on/off short slot time */
1094
1095                 if (uNonShortSlotSTACnt > 0) {
1096                         if (pDevice->bShortSlotTime) {
1097                                 pDevice->bShortSlotTime = false;
1098                                 BBvSetShortSlotTime(pDevice);
1099                                 vUpdateIFS((void *)pDevice);
1100                         }
1101                 } else {
1102                         if (!pDevice->bShortSlotTime) {
1103                                 pDevice->bShortSlotTime = true;
1104                                 BBvSetShortSlotTime(pDevice);
1105                                 vUpdateIFS((void *)pDevice);
1106                         }
1107                 }
1108
1109                 /* on/off barker long preamble mode */
1110
1111                 if (uLongPreambleSTACnt > 0) {
1112                         if (!pDevice->bBarkerPreambleMd) {
1113                                 MACvEnableBarkerPreambleMd(pDevice->PortOffset);
1114                                 pDevice->bBarkerPreambleMd = true;
1115                         }
1116                 } else {
1117                         if (pDevice->bBarkerPreambleMd) {
1118                                 MACvDisableBarkerPreambleMd(pDevice->PortOffset);
1119                                 pDevice->bBarkerPreambleMd = false;
1120                         }
1121                 }
1122
1123         }
1124
1125         /* check if any STA in PS mode, enable DTIM multicast deliver */
1126         if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1127                 if (uSleepySTACnt > 0)
1128                         pMgmt->sNodeDBTable[0].bPSEnable = true;
1129                 else
1130                         pMgmt->sNodeDBTable[0].bPSEnable = false;
1131         }
1132
1133         pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1134         pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1135
1136         if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1137             (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1138                 /* assoc with BSS */
1139                 if (pMgmt->sNodeDBTable[0].bActive) {
1140                         if (pDevice->bUpdateBBVGA)
1141                                 s_vCheckPreEDThreshold((void *)pDevice);
1142
1143                         if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1144                             (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) {
1145                                 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1146                                 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1147                         }
1148
1149                         if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1150                                 pMgmt->sNodeDBTable[0].bActive = false;
1151                                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1152                                 pMgmt->eCurrState = WMAC_STATE_IDLE;
1153                                 netif_stop_queue(pDevice->dev);
1154                                 pDevice->bLinkPass = false;
1155                                 pDevice->bRoaming = true;
1156                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1157                                 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1158                                         wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1159                                         wpahdr->type = VIAWGET_DISASSOC_MSG;
1160                                         wpahdr->resp_ie_len = 0;
1161                                         wpahdr->req_ie_len = 0;
1162                                         skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1163                                         pDevice->skb->dev = pDevice->wpadev;
1164                                         skb_reset_mac_header(pDevice->skb);
1165                                         pDevice->skb->pkt_type = PACKET_HOST;
1166                                         pDevice->skb->protocol = htons(ETH_P_802_2);
1167                                         memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1168                                         netif_rx(pDevice->skb);
1169                                         pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1170                                 }
1171 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1172                                 {
1173                                         union iwreq_data  wrqu;
1174                                         memset(&wrqu, 0, sizeof(wrqu));
1175                                         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1176                                         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1177                                         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1178                                 }
1179 #endif
1180                         }
1181                 } else if (pItemSSID->len != 0) {
1182                         if (pDevice->uAutoReConnectTime < 10) {
1183                                 pDevice->uAutoReConnectTime++;
1184 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1185                                 /*
1186                                  * network manager support need not do
1187                                  * Roaming scan???
1188                                  */
1189                                 if (pDevice->bWPASuppWextEnabled)
1190                                         pDevice->uAutoReConnectTime = 0;
1191 #endif
1192                         } else {
1193                                 /*
1194                                  * mike use old encryption status
1195                                  * for wpa reauthentication
1196                                  */
1197                                 if (pDevice->bWPADEVUp)
1198                                         pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1199
1200                                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1201                                 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
1202                                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1203                                 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1204                                 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1205                                 pDevice->uAutoReConnectTime = 0;
1206                         }
1207                 }
1208         }
1209
1210         if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1211                 /* if adhoc started which essid is NULL string, rescanning */
1212                 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1213                         if (pDevice->uAutoReConnectTime < 10) {
1214                                 pDevice->uAutoReConnectTime++;
1215                         } else {
1216                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1217                                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1218                                 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1219                                 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL);
1220                                 pDevice->uAutoReConnectTime = 0;
1221                         }
1222                 }
1223                 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1224                         if (pDevice->bUpdateBBVGA)
1225                                 s_vCheckPreEDThreshold((void *)pDevice);
1226                         if (pMgmt->sNodeDBTable[0].uInActiveCount >= ADHOC_LOST_BEACON_COUNT) {
1227                                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1228                                 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1229                                 pMgmt->eCurrState = WMAC_STATE_STARTED;
1230                                 netif_stop_queue(pDevice->dev);
1231                                 pDevice->bLinkPass = false;
1232                         }
1233                 }
1234         }
1235
1236         spin_unlock_irq(&pDevice->lock);
1237
1238         pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1239         add_timer(&pMgmt->sTimerSecondCallback);
1240         return;
1241 }
1242
1243 /*+
1244  *
1245  * Routine Description:
1246  *
1247  *
1248  *  Update Tx attemps, Tx failure counter in Node DB
1249  *
1250  *
1251  * Return Value:
1252  *    none.
1253  *
1254  -*/
1255
1256 void
1257 BSSvUpdateNodeTxCounter(
1258         void *hDeviceContext,
1259         unsigned char byTsr0,
1260         unsigned char byTsr1,
1261         unsigned char *pbyBuffer,
1262         unsigned int uFIFOHeaderSize
1263 )
1264 {
1265         PSDevice        pDevice = (PSDevice)hDeviceContext;
1266         PSMgmtObject    pMgmt = pDevice->pMgmt;
1267         unsigned int uNodeIndex = 0;
1268         unsigned char byTxRetry = (byTsr0 & TSR0_NCR);
1269         PSTxBufHead     pTxBufHead;
1270         PS802_11Header  pMACHeader;
1271         unsigned short wRate;
1272         unsigned short wFallBackRate = RATE_1M;
1273         unsigned char byFallBack;
1274         unsigned int ii;
1275         pTxBufHead = (PSTxBufHead) pbyBuffer;
1276         if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0)
1277                 byFallBack = AUTO_FB_0;
1278         else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1)
1279                 byFallBack = AUTO_FB_1;
1280         else
1281                 byFallBack = AUTO_FB_NONE;
1282         wRate = pTxBufHead->wReserved;
1283
1284         /* Only Unicast using support rates */
1285         if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) {
1286                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1);
1287                 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1288                         pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1289                         if ((byTsr1 & TSR1_TERR) == 0) {
1290                                 /* transmit success, TxAttempts at least plus one */
1291                                 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1292                                 if ((byFallBack == AUTO_FB_NONE) ||
1293                                     (wRate < RATE_18M)) {
1294                                         wFallBackRate = wRate;
1295                                 } else if (byFallBack == AUTO_FB_0) {
1296                                         if (byTxRetry < 5)
1297                                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1298                                         else
1299                                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1300                                 } else if (byFallBack == AUTO_FB_1) {
1301                                         if (byTxRetry < 5)
1302                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1303                                         else
1304                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1305                                 }
1306                                 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1307                         } else {
1308                                 pMgmt->sNodeDBTable[0].uTxFailures++;
1309                         }
1310                         pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1311                         if (byTxRetry != 0) {
1312                                 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry;
1313                                 if ((byFallBack == AUTO_FB_NONE) ||
1314                                     (wRate < RATE_18M)) {
1315                                         pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry;
1316                                 } else if (byFallBack == AUTO_FB_0) {
1317                                         for (ii = 0; ii < byTxRetry; ii++) {
1318                                                 if (ii < 5)
1319                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1320                                                 else
1321                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1322                                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1323                                         }
1324                                 } else if (byFallBack == AUTO_FB_1) {
1325                                         for (ii = 0; ii < byTxRetry; ii++) {
1326                                                 if (ii < 5)
1327                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1328                                                 else
1329                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1330                                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1331                                         }
1332                                 }
1333                         }
1334                 }
1335
1336                 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1337                     (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1338                         pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
1339
1340                         if (BSSDBbIsSTAInNodeDB((void *)pMgmt,  &(pMACHeader->abyAddr1[0]), &uNodeIndex)) {
1341                                 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1342                                 if ((byTsr1 & TSR1_TERR) == 0) {
1343                                         /* transmit success, TxAttempts at least plus one */
1344                                         pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1345                                         if ((byFallBack == AUTO_FB_NONE) ||
1346                                             (wRate < RATE_18M)) {
1347                                                 wFallBackRate = wRate;
1348                                         } else if (byFallBack == AUTO_FB_0) {
1349                                                 if (byTxRetry < 5)
1350                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1351                                                 else
1352                                                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1353                                         } else if (byFallBack == AUTO_FB_1) {
1354                                                 if (byTxRetry < 5)
1355                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1356                                                 else
1357                                                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1358                                         }
1359                                         pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1360                                 } else {
1361                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++;
1362                                 }
1363                                 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1364                                 if (byTxRetry != 0) {
1365                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry;
1366                                         if ((byFallBack == AUTO_FB_NONE) ||
1367                                             (wRate < RATE_18M)) {
1368                                                 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry;
1369                                         } else if (byFallBack == AUTO_FB_0) {
1370                                                 for (ii = 0; ii < byTxRetry; ii++) {
1371                                                         if (ii < 5)
1372                                                                 wFallBackRate = awHWRetry0[wRate - RATE_18M][ii];
1373                                                         else
1374                                                                 wFallBackRate = awHWRetry0[wRate - RATE_18M][4];
1375                                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1376                                                 }
1377                                         } else if (byFallBack == AUTO_FB_1) {
1378                                                 for (ii = 0; ii < byTxRetry; ii++) {
1379                                                         if (ii < 5)
1380                                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1381                                                         else
1382                                                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1383                                                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1384                                                 }
1385                                         }
1386                                 }
1387                         }
1388                 }
1389         }
1390
1391         return;
1392 }
1393
1394 /*+
1395  *
1396  * Routine Description:
1397  *    Clear Nodes & skb in DB Table
1398  *
1399  *
1400  * Parameters:
1401  *  In:
1402  *      hDeviceContext        - The adapter context.
1403  *      uStartIndex           - starting index
1404  *  Out:
1405  *      none
1406  *
1407  * Return Value:
1408  *    None.
1409  *
1410  -*/
1411
1412 void
1413 BSSvClearNodeDBTable(
1414         void *hDeviceContext,
1415         unsigned int uStartIndex
1416 )
1417
1418 {
1419         PSDevice     pDevice = (PSDevice)hDeviceContext;
1420         PSMgmtObject    pMgmt = pDevice->pMgmt;
1421         struct sk_buff  *skb;
1422         unsigned int ii;
1423
1424         for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1425                 if (pMgmt->sNodeDBTable[ii].bActive) {
1426                         /* check if sTxPSQueue has been initial */
1427                         if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1428                                 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
1429                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1430                                         dev_kfree_skb(skb);
1431                                 }
1432                         }
1433                         memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1434                 }
1435         }
1436
1437         return;
1438 };
1439
1440 void s_vCheckSensitivity(
1441         void *hDeviceContext
1442 )
1443 {
1444         PSDevice        pDevice = (PSDevice)hDeviceContext;
1445         PKnownBSS       pBSSList = NULL;
1446         PSMgmtObject    pMgmt = pDevice->pMgmt;
1447         int             ii;
1448
1449         if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) &&
1450             (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
1451                 return;
1452         }
1453
1454         if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1455             ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1456                 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1457                 if (pBSSList != NULL) {
1458                         /* Update BB Reg if RSSI is too strong */
1459                         long    LocalldBmAverage = 0;
1460                         long    uNumofdBm = 0;
1461                         for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1462                                 if (pBSSList->ldBmAverage[ii] != 0) {
1463                                         uNumofdBm++;
1464                                         LocalldBmAverage += pBSSList->ldBmAverage[ii];
1465                                 }
1466                         }
1467                         if (uNumofdBm > 0) {
1468                                 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1469                                 for (ii = 0; ii < BB_VGA_LEVEL; ii++) {
1470                                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1471                                         if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1472                                                 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1473                                                 break;
1474                                         }
1475                                 }
1476                                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1477                                         pDevice->uBBVGADiffCount++;
1478                                         if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1479                                                 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1480                                 } else {
1481                                         pDevice->uBBVGADiffCount = 0;
1482                                 }
1483                         }
1484                 }
1485         }
1486 }
1487
1488 void
1489 BSSvClearAnyBSSJoinRecord(
1490         void *hDeviceContext
1491 )
1492 {
1493         PSDevice        pDevice = (PSDevice)hDeviceContext;
1494         PSMgmtObject    pMgmt = pDevice->pMgmt;
1495         unsigned int ii;
1496
1497         for (ii = 0; ii < MAX_BSS_NUM; ii++)
1498                 pMgmt->sBSSList[ii].bSelected = false;
1499         return;
1500 }
1501
1502 #ifdef Calcu_LinkQual
1503 void s_uCalculateLinkQual(
1504         void *hDeviceContext
1505 )
1506 {
1507         PSDevice        pDevice = (PSDevice)hDeviceContext;
1508         unsigned long TxOkRatio, TxCnt;
1509         unsigned long RxOkRatio, RxCnt;
1510         unsigned long RssiRatio;
1511         long ldBm;
1512
1513         TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1514                 pDevice->scStatistic.TxRetryOkCount +
1515                 pDevice->scStatistic.TxFailCount;
1516         RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1517                 pDevice->scStatistic.RxOkCnt;
1518         TxOkRatio = (TxCnt < 6) ? 4000 : ((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1519         RxOkRatio = (RxCnt < 6) ? 2000 : ((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1520         /* decide link quality */
1521         if (!pDevice->bLinkPass) {
1522                 pDevice->scStatistic.LinkQuality = 0;
1523                 pDevice->scStatistic.SignalStren = 0;
1524         } else {
1525                 RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
1526                 if (-ldBm < 50)
1527                         RssiRatio = 4000;
1528                 else if (-ldBm > 90)
1529                         RssiRatio = 0;
1530                 else
1531                         RssiRatio = (40-(-ldBm-50))*4000/40;
1532                 pDevice->scStatistic.SignalStren = RssiRatio/40;
1533                 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1534         }
1535         pDevice->scStatistic.RxFcsErrCnt = 0;
1536         pDevice->scStatistic.RxOkCnt = 0;
1537         pDevice->scStatistic.TxFailCount = 0;
1538         pDevice->scStatistic.TxNoRetryOkCount = 0;
1539         pDevice->scStatistic.TxRetryOkCount = 0;
1540         return;
1541 }
1542 #endif
1543
1544 void s_vCheckPreEDThreshold(
1545         void *hDeviceContext
1546 )
1547 {
1548         PSDevice        pDevice = (PSDevice)hDeviceContext;
1549         PKnownBSS       pBSSList = NULL;
1550         PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1551
1552         if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1553             ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1554                 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1555                 if (pBSSList != NULL)
1556                         pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1);
1557         }
1558         return;
1559 }