drivers/staging/vt6656/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  *      BSSbIsSTAInNodeDB - 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 "mac.h"
  57 #include "wpa2.h"
  58 #include "control.h"
  59 #include "rndis.h"
  60 #include "iowpa.h"
  61
  62 /*---------------------  Static Definitions -------------------------*/
  63
  64
  65
  66
  67 /*---------------------  Static Classes  ----------------------------*/
  68
  69 /*---------------------  Static Variables  --------------------------*/
  70 static int          msglevel                =MSG_LEVEL_INFO;
  71 //static int          msglevel                =MSG_LEVEL_DEBUG;
  72
  73
  74
  75 const WORD             awHWRetry0[5][5] = {
  76                                             {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
  77                                             {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
  78                                             {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
  79                                             {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
  80                                             {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
  81                                            };
  82 const WORD             awHWRetry1[5][5] = {
  83                                             {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
  84                                             {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
  85                                             {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
  86                                             {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
  87                                             {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
  88                                            };
  89
  90
  91
  92 /*---------------------  Static Functions  --------------------------*/
  93
  94 void s_vCheckSensitivity(void *hDeviceContext);
  95 void s_vCheckPreEDThreshold(void *hDeviceContext);
  96 void s_uCalculateLinkQual(void *hDeviceContext);
  97
  98 /*---------------------  Export Variables  --------------------------*/
  99
 100
 101 /*---------------------  Export Functions  --------------------------*/
 102
 103
 104
 105
 106
 107 /*+
 108  *
 109  * Routine Description:
 110  *    Search known BSS list for Desire SSID or BSSID.
 111  *
 112  * Return Value:
 113  *    PTR to KnownBSS or NULL
 114  *
 115 -*/
 116
 117 PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
 118                             PBYTE pbyDesireBSSID,
 119                             PBYTE pbyDesireSSID,
 120                             CARD_PHY_TYPE ePhyType)
 121 {
 122     PSDevice        pDevice = (PSDevice)hDeviceContext;
 123     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 124     PBYTE           pbyBSSID = NULL;
 125     PWLAN_IE_SSID   pSSID = NULL;
 126     PKnownBSS       pCurrBSS = NULL;
 127     PKnownBSS       pSelect = NULL;
 128     BYTE                 ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
 129     unsigned int ii = 0;
 130     unsigned int jj = 0;
 131     if (pbyDesireBSSID != NULL) {
 132                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 133                         "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID);
 134         if ((!is_broadcast_ether_addr(pbyDesireBSSID)) &&
 135              (memcmp(pbyDesireBSSID, ZeroBSSID, 6)!= 0)){
 136             pbyBSSID = pbyDesireBSSID;
 137         }
 138     }
 139     if (pbyDesireSSID != NULL) {
 140         if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) {
 141             pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
 142         }
 143     }
 144
 145     if ((pbyBSSID != NULL)&&(pDevice->bRoaming == FALSE)) {
 146         // match BSSID first
 147         for (ii = 0; ii <MAX_BSS_NUM; ii++) {
 148             pCurrBSS = &(pMgmt->sBSSList[ii]);
 149
 150            pCurrBSS->bSelected = FALSE;
 151
 152             if ((pCurrBSS->bActive) &&
 153                 (pCurrBSS->bSelected == FALSE)) {
 154                     if (!compare_ether_addr(pCurrBSS->abyBSSID, pbyBSSID)) {
 155                     if (pSSID != NULL) {
 156                         // compare ssid
 157                         if ( !memcmp(pSSID->abySSID,
 158                             ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 159                             pSSID->len)) {
 160                             if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 161                                 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 162                                 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 163                                 ) {
 164                                 pCurrBSS->bSelected = TRUE;
 165                                 return(pCurrBSS);
 166                             }
 167                         }
 168                     } else {
 169                         if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 170                             ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 171                             ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 172                             ) {
 173                             pCurrBSS->bSelected = TRUE;
 174                             return(pCurrBSS);
 175                         }
 176                     }
 177                 }
 178             }
 179         }
 180     } else {
 181         // ignore BSSID
 182         for (ii = 0; ii <MAX_BSS_NUM; ii++) {
 183             pCurrBSS = &(pMgmt->sBSSList[ii]);
 184
 185            //2007-0721-01<Mark>by MikeLiu
 186          //   if ((pCurrBSS->bActive) &&
 187          //       (pCurrBSS->bSelected == FALSE)) {
 188
 189           pCurrBSS->bSelected = FALSE;
 190           if (pCurrBSS->bActive) {
 191
 192                 if (pSSID != NULL) {
 193                     // matched SSID
 194                     if (memcmp(pSSID->abySSID,
 195                         ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 196                         pSSID->len) ||
 197                         (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
 198                         // SSID not match skip this BSS
 199                         continue;
 200                       }
 201                 }
 202                 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
 203                     ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
 204                     ){
 205                     // Type not match skip this BSS
 206                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
 207                     continue;
 208                 }
 209
 210                 if (ePhyType != PHY_TYPE_AUTO) {
 211                     if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
 212                         ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
 213                         // PhyType not match skip this BSS
 214                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
 215                         continue;
 216                     }
 217                 }
 218
 219         pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel;
 220                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 221                         "BSSpSearchBSSList pSelect1[%pM]\n",
 222                         pCurrBSS->abyBSSID);
 223         jj++;
 224
 225
 226                 if (pSelect == NULL) {
 227                     pSelect = pCurrBSS;
 228                 } else {
 229                     // compare RSSI, select the strongest signal
 230                     if (pCurrBSS->uRSSI < pSelect->uRSSI) {
 231                         pSelect = pCurrBSS;
 232                     }
 233                 }
 234             }
 235         }
 236
 237 pDevice->bSameBSSMaxNum = jj;
 238
 239         if (pSelect != NULL) {
 240             pSelect->bSelected = TRUE;
 241                         if (pDevice->bRoaming == FALSE)  {
 242         //       Einsn Add @20070907
 243                                 memset(pbyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 244                         memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ;
 245                                                 }
 246
 247             return(pSelect);
 248         }
 249     }
 250     return(NULL);
 251
 252 }
 253
 254
 255 /*+
 256  *
 257  * Routine Description:
 258  *    Clear BSS List
 259  *
 260  * Return Value:
 261  *    None.
 262  *
 263 -*/
 264
 265
 266 void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID)
 267 {
 268     PSDevice     pDevice = (PSDevice)hDeviceContext;
 269     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 270     unsigned int            ii;
 271
 272     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 273         if (bKeepCurrBSSID) {
 274             if (pMgmt->sBSSList[ii].bActive &&
 275                 !compare_ether_addr(pMgmt->sBSSList[ii].abyBSSID,
 276                                     pMgmt->abyCurrBSSID)) {
 277  //mike mark: there are two BSSID's in list. If that AP is in hidden ssid mode, one SSID is null,
 278  //                 but other's might not be obvious, so if it associate's with your STA,
 279  //                 you must keep the two of them!!
 280                // bKeepCurrBSSID = FALSE;
 281                 continue;
 282             }
 283         }
 284
 285         pMgmt->sBSSList[ii].bActive = FALSE;
 286         memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
 287     }
 288     BSSvClearAnyBSSJoinRecord(pDevice);
 289 }
 290
 291
 292
 293 /*+
 294  *
 295  * Routine Description:
 296  *    search BSS list by BSSID & SSID if matched
 297  *
 298  * Return Value:
 299  *    TRUE if found.
 300  *
 301 -*/
 302 PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
 303                               PBYTE abyBSSID,
 304                               PWLAN_IE_SSID pSSID)
 305 {
 306     PSDevice     pDevice = (PSDevice)hDeviceContext;
 307     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 308     PKnownBSS       pBSSList = NULL;
 309     unsigned int            ii;
 310
 311     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 312         pBSSList = &(pMgmt->sBSSList[ii]);
 313         if (pBSSList->bActive) {
 314                 if (!compare_ether_addr(pBSSList->abyBSSID, abyBSSID)) {
 315                 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len){
 316                     if (memcmp(pSSID->abySSID,
 317                             ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
 318                             pSSID->len) == 0)
 319                         return pBSSList;
 320                 }
 321             }
 322         }
 323     }
 324
 325     return NULL;
 326 };
 327
 328
 329
 330 /*+
 331  *
 332  * Routine Description:
 333  *    Insert a BSS set into known BSS list
 334  *
 335  * Return Value:
 336  *    TRUE if success.
 337  *
 338 -*/
 339
 340 BOOL BSSbInsertToBSSList(void *hDeviceContext,
 341                          PBYTE abyBSSIDAddr,
 342                         u64 qwTimestamp,
 343                          WORD wBeaconInterval,
 344                          WORD wCapInfo,
 345                          BYTE byCurrChannel,
 346                          PWLAN_IE_SSID pSSID,
 347                          PWLAN_IE_SUPP_RATES pSuppRates,
 348                          PWLAN_IE_SUPP_RATES pExtSuppRates,
 349                          PERPObject psERP,
 350                          PWLAN_IE_RSN pRSN,
 351                          PWLAN_IE_RSN_EXT pRSNWPA,
 352                          PWLAN_IE_COUNTRY pIE_Country,
 353                          PWLAN_IE_QUIET pIE_Quiet,
 354                          unsigned int uIELength,
 355                          PBYTE pbyIEs,
 356                          void *pRxPacketContext)
 357 {
 358
 359     PSDevice     pDevice = (PSDevice)hDeviceContext;
 360     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 361     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 362     PKnownBSS       pBSSList = NULL;
 363     unsigned int            ii;
 364     BOOL            bParsingQuiet = FALSE;
 365
 366
 367
 368     pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
 369
 370     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 371         pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
 372         if (!pBSSList->bActive)
 373                 break;
 374     }
 375
 376     if (ii == MAX_BSS_NUM){
 377         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
 378         return FALSE;
 379     }
 380     // save the BSS info
 381     pBSSList->bActive = TRUE;
 382     memcpy( pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
 383         pBSSList->qwBSSTimestamp = cpu_to_le64(qwTimestamp);
 384     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 385     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 386     pBSSList->uClearCount = 0;
 387
 388     if (pSSID->len > WLAN_SSID_MAXLEN)
 389         pSSID->len = WLAN_SSID_MAXLEN;
 390     memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 391
 392     pBSSList->uChannel = byCurrChannel;
 393
 394     if (pSuppRates->len > WLAN_RATES_MAXLEN)
 395         pSuppRates->len = WLAN_RATES_MAXLEN;
 396     memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 397
 398     if (pExtSuppRates != NULL) {
 399         if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
 400             pExtSuppRates->len = WLAN_RATES_MAXLEN;
 401         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 402         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
 403
 404     } else {
 405         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 406     }
 407     pBSSList->sERP.byERP = psERP->byERP;
 408     pBSSList->sERP.bERPExist = psERP->bERPExist;
 409
 410     // Check if BSS is 802.11a/b/g
 411     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 412         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 413     } else {
 414         if (pBSSList->sERP.bERPExist == TRUE) {
 415             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 416         } else {
 417             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 418         }
 419     }
 420
 421     pBSSList->byRxRate = pRxPacket->byRxRate;
 422     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 423     pBSSList->uRSSI = pRxPacket->uRSSI;
 424     pBSSList->bySQ = pRxPacket->bySQ;
 425
 426    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 427         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 428         // assoc with BSS
 429         if (pBSSList == pMgmt->pCurrBSS) {
 430             bParsingQuiet = TRUE;
 431         }
 432     }
 433
 434     WPA_ClearRSN(pBSSList);
 435
 436     if (pRSNWPA != NULL) {
 437         unsigned int uLen = pRSNWPA->len + 2;
 438
 439         if (uLen <= (uIELength -
 440                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
 441                 pBSSList->wWPALen = uLen;
 442                 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 443                 WPA_ParseRSN(pBSSList, pRSNWPA);
 444         }
 445     }
 446
 447     WPA2_ClearRSN(pBSSList);
 448
 449     if (pRSN != NULL) {
 450         unsigned int uLen = pRSN->len + 2;
 451
 452         if (uLen <= (uIELength -
 453                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) {
 454                 pBSSList->wRSNLen = uLen;
 455                 memcpy(pBSSList->byRSNIE, pRSN, uLen);
 456                 WPA2vParseRSN(pBSSList, pRSN);
 457         }
 458     }
 459
 460     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
 461
 462         PSKeyItem  pTransmitKey = NULL;
 463         BOOL       bIs802_1x = FALSE;
 464
 465         for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) {
 466             if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
 467                 bIs802_1x = TRUE;
 468                 break;
 469             }
 470         }
 471         if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
 472             ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 473
 474                 bAdd_PMKID_Candidate((void *) pDevice,
 475                                      pBSSList->abyBSSID,
 476                                      &pBSSList->sRSNCapObj);
 477
 478             if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 479                 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
 480                     (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == TRUE)) {
 481                     pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
 482                     pDevice->gsPMKIDCandidate.Version = 1;
 483
 484                 }
 485
 486             }
 487         }
 488     }
 489
 490     if (pDevice->bUpdateBBVGA) {
 491         // Monitor if RSSI is too strong.
 492         pBSSList->byRSSIStatCnt = 0;
 493         RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
 494         pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
 495         pBSSList->ldBmAverRange = pBSSList->ldBmMAX;
 496         for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
 497             pBSSList->ldBmAverage[ii] = 0;
 498     }
 499
 500     pBSSList->uIELength = uIELength;
 501     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 502         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 503     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 504
 505     return TRUE;
 506 }
 507
 508
 509 /*+
 510  *
 511  * Routine Description:
 512  *    Update BSS set in known BSS list
 513  *
 514  * Return Value:
 515  *    TRUE if success.
 516  *
 517 -*/
 518 // TODO: input structure modify
 519
 520 BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 521                         u64 qwTimestamp,
 522                          WORD wBeaconInterval,
 523                          WORD wCapInfo,
 524                          BYTE byCurrChannel,
 525                          BOOL bChannelHit,
 526                          PWLAN_IE_SSID pSSID,
 527                          PWLAN_IE_SUPP_RATES pSuppRates,
 528                          PWLAN_IE_SUPP_RATES pExtSuppRates,
 529                          PERPObject psERP,
 530                          PWLAN_IE_RSN pRSN,
 531                          PWLAN_IE_RSN_EXT pRSNWPA,
 532                          PWLAN_IE_COUNTRY pIE_Country,
 533                          PWLAN_IE_QUIET pIE_Quiet,
 534                          PKnownBSS pBSSList,
 535                          unsigned int uIELength,
 536                          PBYTE pbyIEs,
 537                          void *pRxPacketContext)
 538 {
 539     int             ii, jj;
 540     PSDevice        pDevice = (PSDevice)hDeviceContext;
 541     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 542     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 543     signed long            ldBm, ldBmSum;
 544     BOOL            bParsingQuiet = FALSE;
 545
 546     if (pBSSList == NULL)
 547         return FALSE;
 548
 549
 550         pBSSList->qwBSSTimestamp = cpu_to_le64(qwTimestamp);
 551
 552     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 553     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 554     pBSSList->uClearCount = 0;
 555     pBSSList->uChannel = byCurrChannel;
 556
 557     if (pSSID->len > WLAN_SSID_MAXLEN)
 558         pSSID->len = WLAN_SSID_MAXLEN;
 559
 560     if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
 561         memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 562     memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN);
 563
 564     if (pExtSuppRates != NULL) {
 565         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN);
 566     } else {
 567         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 568     }
 569     pBSSList->sERP.byERP = psERP->byERP;
 570     pBSSList->sERP.bERPExist = psERP->bERPExist;
 571
 572     // Check if BSS is 802.11a/b/g
 573     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 574         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 575     } else {
 576         if (pBSSList->sERP.bERPExist == TRUE) {
 577             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 578         } else {
 579             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 580         }
 581     }
 582
 583     pBSSList->byRxRate = pRxPacket->byRxRate;
 584     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 585     if(bChannelHit)
 586         pBSSList->uRSSI = pRxPacket->uRSSI;
 587     pBSSList->bySQ = pRxPacket->bySQ;
 588
 589    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 590         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 591         // assoc with BSS
 592         if (pBSSList == pMgmt->pCurrBSS) {
 593             bParsingQuiet = TRUE;
 594         }
 595     }
 596
 597    WPA_ClearRSN(pBSSList);         //mike update
 598
 599    if (pRSNWPA != NULL) {
 600         unsigned int uLen = pRSNWPA->len + 2;
 601         if (uLen <= (uIELength -
 602                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
 603                 pBSSList->wWPALen = uLen;
 604                 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 605                 WPA_ParseRSN(pBSSList, pRSNWPA);
 606         }
 607    }
 608
 609    WPA2_ClearRSN(pBSSList);  //mike update
 610
 611     if (pRSN != NULL) {
 612         unsigned int uLen = pRSN->len + 2;
 613         if (uLen <= (uIELength -
 614                         (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) {
 615                 pBSSList->wRSNLen = uLen;
 616                 memcpy(pBSSList->byRSNIE, pRSN, uLen);
 617                 WPA2vParseRSN(pBSSList, pRSN);
 618         }
 619     }
 620
 621     if (pRxPacket->uRSSI != 0) {
 622         RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm);
 623         // Monitor if RSSI is too strong.
 624         pBSSList->byRSSIStatCnt++;
 625         pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
 626         pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
 627         ldBmSum = 0;
 628         for (ii = 0, jj = 0; ii < RSSI_STAT_COUNT; ii++) {
 629                 if (pBSSList->ldBmAverage[ii] != 0) {
 630                         pBSSList->ldBmMAX =
 631                                 max(pBSSList->ldBmAverage[ii], ldBm);
 632                         ldBmSum +=
 633                                 pBSSList->ldBmAverage[ii];
 634                         jj++;
 635                 }
 636         }
 637         pBSSList->ldBmAverRange = ldBmSum /jj;
 638     }
 639
 640     pBSSList->uIELength = uIELength;
 641     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 642         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 643     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 644
 645     return TRUE;
 646 }
 647
 648
 649
 650
 651
 652 /*+
 653  *
 654  * Routine Description:
 655  *    Search Node DB table to find the index of matched DstAddr
 656  *
 657  * Return Value:
 658  *    None
 659  *
 660 -*/
 661
 662 BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
 663                        PBYTE abyDstAddr,
 664                        unsigned int *puNodeIndex)
 665 {
 666     PSDevice        pDevice = (PSDevice)hDeviceContext;
 667     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 668     unsigned int            ii;
 669
 670     // Index = 0 reserved for AP Node
 671     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 672         if (pMgmt->sNodeDBTable[ii].bActive) {
 673                 if (!compare_ether_addr(abyDstAddr,
 674                                         pMgmt->sNodeDBTable[ii].abyMACAddr)) {
 675                 *puNodeIndex = ii;
 676                 return TRUE;
 677             }
 678         }
 679     }
 680
 681    return FALSE;
 682 };
 683
 684
 685
 686 /*+
 687  *
 688  * Routine Description:
 689  *    Find an empty node and allocate it; if no empty node
 690  *    is found, then use the most inactive one.
 691  *
 692  * Return Value:
 693  *    None
 694  *
 695 -*/
 696 void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
 697 {
 698
 699     PSDevice     pDevice = (PSDevice)hDeviceContext;
 700     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 701     unsigned int            ii;
 702     unsigned int            BigestCount = 0;
 703     unsigned int            SelectIndex;
 704     struct sk_buff  *skb;
 705     // Index = 0 reserved for AP Node (In STA mode)
 706     // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
 707     SelectIndex = 1;
 708     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 709         if (pMgmt->sNodeDBTable[ii].bActive) {
 710             if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
 711                 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
 712                 SelectIndex = ii;
 713             }
 714         }
 715         else {
 716             break;
 717         }
 718     }
 719
 720     // if not found replace uInActiveCount with the largest one.
 721     if ( ii == (MAX_NODE_NUM + 1)) {
 722         *puNodeIndex = SelectIndex;
 723         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
 724         // clear ps buffer
 725         if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
 726             while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
 727             dev_kfree_skb(skb);
 728         }
 729     }
 730     else {
 731         *puNodeIndex = ii;
 732     }
 733
 734     memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
 735     pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE;
 736     pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
 737     // for AP mode PS queue
 738     skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
 739     pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
 740     pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
 741     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
 742 };
 743
 744
 745
 746 /*+
 747  *
 748  * Routine Description:
 749  *    Remove Node by NodeIndex
 750  *
 751  *
 752  * Return Value:
 753  *    None
 754  *
 755 -*/
 756
 757 void BSSvRemoveOneNode(void *hDeviceContext, unsigned int uNodeIndex)
 758 {
 759
 760     PSDevice        pDevice = (PSDevice)hDeviceContext;
 761     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 762     BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 763     struct sk_buff  *skb;
 764
 765
 766     while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
 767             dev_kfree_skb(skb);
 768     // clear context
 769     memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
 770     // clear tx bit map
 771     pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &=  ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
 772 };
 773 /*+
 774  *
 775  * Routine Description:
 776  *    Update AP Node content in Index 0 of KnownNodeDB
 777  *
 778  *
 779  * Return Value:
 780  *    None
 781  *
 782 -*/
 783
 784 void BSSvUpdateAPNode(void *hDeviceContext,
 785                       PWORD pwCapInfo,
 786                       PWLAN_IE_SUPP_RATES pSuppRates,
 787                       PWLAN_IE_SUPP_RATES pExtSuppRates)
 788 {
 789     PSDevice     pDevice = (PSDevice)hDeviceContext;
 790     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 791     unsigned int            uRateLen = WLAN_RATES_MAXLEN;
 792
 793     memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 794
 795     pMgmt->sNodeDBTable[0].bActive = TRUE;
 796     if (pDevice->byBBType == BB_TYPE_11B) {
 797         uRateLen = WLAN_RATES_MAXLEN_11B;
 798     }
 799     pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
 800                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 801                                             uRateLen);
 802     pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
 803                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 804                                             uRateLen);
 805     RATEvParseMaxRate((void *) pDevice,
 806                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 807                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 808                        TRUE,
 809                        &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 810                        &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 811                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 812                        &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 813                        &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 814                       );
 815     memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
 816     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
 817     pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
 818     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 819     // Auto rate fallback function initiation.
 820     // RATEbInit(pDevice);
 821     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
 822
 823 };
 824
 825 /*+
 826  *
 827  * Routine Description:
 828  *    Add Multicast Node content in Index 0 of KnownNodeDB
 829  *
 830  *
 831  * Return Value:
 832  *    None
 833  *
 834 -*/
 835
 836 void BSSvAddMulticastNode(void *hDeviceContext)
 837 {
 838     PSDevice     pDevice = (PSDevice)hDeviceContext;
 839     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 840
 841     if (!pDevice->bEnableHostWEP)
 842         memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 843     memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
 844     pMgmt->sNodeDBTable[0].bActive = TRUE;
 845     pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
 846     skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
 847     RATEvParseMaxRate((void *) pDevice,
 848                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 849                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 850                       TRUE,
 851                       &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 852                       &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 853                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 854                       &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 855                       &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 856                      );
 857     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
 858     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 859
 860 };
 861
 862 /*+
 863  *
 864  * Routine Description:
 865  *
 866  *
 867  *  Second call back function to update Node DB info & AP link status
 868  *
 869  *
 870  * Return Value:
 871  *    none.
 872  *
 873 -*/
 874
 875 void BSSvSecondCallBack(void *hDeviceContext)
 876 {
 877     PSDevice        pDevice = (PSDevice)hDeviceContext;
 878     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 879     unsigned int            ii;
 880     PWLAN_IE_SSID   pItemSSID, pCurrSSID;
 881     unsigned int            uSleepySTACnt = 0;
 882     unsigned int            uNonShortSlotSTACnt = 0;
 883     unsigned int            uLongPreambleSTACnt = 0;
 884
 885     spin_lock_irq(&pDevice->lock);
 886
 887     pDevice->uAssocCount = 0;
 888
 889     //Power Saving Mode Tx Burst
 890     if ( pDevice->bEnablePSMode == TRUE ) {
 891         pDevice->ulPSModeWaitTx++;
 892         if ( pDevice->ulPSModeWaitTx >= 2 ) {
 893             pDevice->ulPSModeWaitTx = 0;
 894             pDevice->bPSModeTxBurst = FALSE;
 895         }
 896     }
 897
 898     pDevice->byERPFlag &=
 899         ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
 900
 901     if (pDevice->wUseProtectCntDown > 0) {
 902         pDevice->wUseProtectCntDown --;
 903     }
 904     else {
 905         // disable protect mode
 906         pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
 907     }
 908
 909 if(pDevice->byReAssocCount > 0) {
 910        pDevice->byReAssocCount++;
 911    if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) {  //10 sec timeout
 912                      printk("Re-association timeout!!!\n");
 913                    pDevice->byReAssocCount = 0;
 914                     // if(pDevice->bWPASuppWextEnabled == TRUE)
 915                         {
 916                         union iwreq_data  wrqu;
 917                         memset(&wrqu, 0, sizeof (wrqu));
 918                           wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 919                         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
 920                         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
 921                        }
 922      }
 923    else if(pDevice->bLinkPass == TRUE)
 924         pDevice->byReAssocCount = 0;
 925 }
 926
 927  pMgmt->eLastState = pMgmt->eCurrState ;
 928
 929    s_uCalculateLinkQual((void *)pDevice);
 930
 931     for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
 932
 933         if (pMgmt->sNodeDBTable[ii].bActive) {
 934             // Increase in-activity counter
 935             pMgmt->sNodeDBTable[ii].uInActiveCount++;
 936
 937             if (ii > 0) {
 938                 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
 939                     BSSvRemoveOneNode(pDevice, ii);
 940                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 941                         "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
 942                     continue;
 943                 }
 944
 945                 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
 946
 947                     pDevice->uAssocCount++;
 948
 949                     // check if Non ERP exist
 950                     if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
 951                         if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
 952                             pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
 953                             uLongPreambleSTACnt ++;
 954                         }
 955                         if (!pMgmt->sNodeDBTable[ii].bERPExist) {
 956                             pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
 957                             pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
 958                         }
 959                         if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
 960                             uNonShortSlotSTACnt++;
 961                     }
 962                 }
 963
 964                 // check if any STA in PS mode
 965                 if (pMgmt->sNodeDBTable[ii].bPSEnable)
 966                     uSleepySTACnt++;
 967
 968
 969             }
 970
 971             // Rate fallback check
 972             if (!pDevice->bFixRate) {
 973                 if (ii > 0) {
 974                     // ii = 0 for multicast node (AP & Adhoc)
 975                         RATEvTxRateFallBack((void *)pDevice,
 976                                             &(pMgmt->sNodeDBTable[ii]));
 977                 }
 978                 else {
 979                     // ii = 0 reserved for unicast AP node (Infra STA)
 980                         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
 981                                 RATEvTxRateFallBack((void *)pDevice,
 982                                                     &(pMgmt->sNodeDBTable[ii]));
 983                 }
 984
 985             }
 986
 987             // check if pending PS queue
 988             if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
 989                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
 990                            ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
 991                 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
 992                     BSSvRemoveOneNode(pDevice, ii);
 993                     DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
 994                     continue;
 995                 }
 996             }
 997         }
 998
 999     }
1000
1001
1002     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->byBBType == BB_TYPE_11G)) {
1003
1004         // on/off protect mode
1005         if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1006             if (!pDevice->bProtectMode) {
1007                 MACvEnableProtectMD(pDevice);
1008                 pDevice->bProtectMode = TRUE;
1009             }
1010         }
1011         else {
1012             if (pDevice->bProtectMode) {
1013                 MACvDisableProtectMD(pDevice);
1014                 pDevice->bProtectMode = FALSE;
1015             }
1016         }
1017         // on/off short slot time
1018
1019         if (uNonShortSlotSTACnt > 0) {
1020             if (pDevice->bShortSlotTime) {
1021                 pDevice->bShortSlotTime = FALSE;
1022                 BBvSetShortSlotTime(pDevice);
1023                 vUpdateIFS((void *)pDevice);
1024             }
1025         }
1026         else {
1027             if (!pDevice->bShortSlotTime) {
1028                 pDevice->bShortSlotTime = TRUE;
1029                 BBvSetShortSlotTime(pDevice);
1030                 vUpdateIFS((void *)pDevice);
1031             }
1032         }
1033
1034         // on/off barker long preamble mode
1035
1036         if (uLongPreambleSTACnt > 0) {
1037             if (!pDevice->bBarkerPreambleMd) {
1038                 MACvEnableBarkerPreambleMd(pDevice);
1039                 pDevice->bBarkerPreambleMd = TRUE;
1040             }
1041         }
1042         else {
1043             if (pDevice->bBarkerPreambleMd) {
1044                 MACvDisableBarkerPreambleMd(pDevice);
1045                 pDevice->bBarkerPreambleMd = FALSE;
1046             }
1047         }
1048
1049     }
1050
1051
1052     // Check if any STA in PS mode, enable DTIM multicast deliver
1053     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1054         if (uSleepySTACnt > 0)
1055             pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1056         else
1057             pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1058     }
1059
1060     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1061     pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1062
1063     if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1064         (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1065
1066         if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1067
1068             if (pDevice->bUpdateBBVGA) {
1069                 /* s_vCheckSensitivity((void *) pDevice); */
1070                 s_vCheckPreEDThreshold((void *) pDevice);
1071             }
1072
1073             if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1074                 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
1075                 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1076                 bScheduleCommand((void *) pDevice,
1077                                  WLAN_CMD_CHANGE_BBSENSITIVITY,
1078                                  NULL);
1079             }
1080
1081                 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1082                 pMgmt->sNodeDBTable[0].bActive = FALSE;
1083                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1084                 pMgmt->eCurrState = WMAC_STATE_IDLE;
1085                 netif_stop_queue(pDevice->dev);
1086                 pDevice->bLinkPass = FALSE;
1087                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1088                 pDevice->bRoaming = TRUE;
1089                 pDevice->bIsRoaming = FALSE;
1090
1091                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1092                 /* let wpa supplicant know AP may disconnect */
1093       {
1094         union iwreq_data  wrqu;
1095         memset(&wrqu, 0, sizeof (wrqu));
1096         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1097         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1098         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1099      }
1100             }
1101         }
1102         else if (pItemSSID->len != 0) {
1103 //Davidwang
1104       if ((pDevice->bEnableRoaming == TRUE)&&(!(pMgmt->Cisco_cckm))) {
1105 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
1106 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming );
1107           if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){
1108                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast   Roaming ...\n");
1109                 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
1110                 bScheduleCommand((void *) pDevice,
1111                                  WLAN_CMD_BSSID_SCAN,
1112                                  pMgmt->abyDesireSSID);
1113                 bScheduleCommand((void *) pDevice,
1114                                  WLAN_CMD_SSID,
1115                                  pMgmt->abyDesireSSID);
1116                 pDevice->uAutoReConnectTime = 0;
1117                 pDevice->uIsroamingTime = 0;
1118                 pDevice->bRoaming = FALSE;
1119           }
1120       else if ((pDevice->bRoaming == FALSE)&&(pDevice->bIsRoaming == TRUE)) {
1121                             pDevice->uIsroamingTime++;
1122        if (pDevice->uIsroamingTime >= 20)
1123             pDevice->bIsRoaming = FALSE;
1124          }
1125
1126    }
1127 else {
1128             if (pDevice->uAutoReConnectTime < 10) {
1129                 pDevice->uAutoReConnectTime++;
1130                 //network manager support need not do Roaming scan???
1131                 if(pDevice->bWPASuppWextEnabled ==TRUE)
1132                  pDevice->uAutoReConnectTime = 0;
1133             }
1134             else {
1135             //mike use old encryption status for wpa reauthen
1136               if(pDevice->bWPADEVUp)
1137                   pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1138
1139                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1140                 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
1141                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1142                 bScheduleCommand((void *) pDevice,
1143                                  WLAN_CMD_BSSID_SCAN,
1144                                  pMgmt->abyDesireSSID);
1145                 bScheduleCommand((void *) pDevice,
1146                                  WLAN_CMD_SSID,
1147                                  pMgmt->abyDesireSSID);
1148                 pDevice->uAutoReConnectTime = 0;
1149             }
1150         }
1151     }
1152     }
1153
1154     if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1155         // if adhoc started which essid is NULL string, rescanning.
1156         if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1157             if (pDevice->uAutoReConnectTime < 10) {
1158                 pDevice->uAutoReConnectTime++;
1159             }
1160             else {
1161                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1162                pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1163                 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1164                 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
1165                 pDevice->uAutoReConnectTime = 0;
1166             };
1167         }
1168         if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1169
1170                 if (pDevice->bUpdateBBVGA) {
1171                         /* s_vCheckSensitivity((void *) pDevice); */
1172                         s_vCheckPreEDThreshold((void *) pDevice);
1173                 }
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                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1181             }
1182         }
1183     }
1184
1185     if (pDevice->bLinkPass == TRUE) {
1186         if (netif_queue_stopped(pDevice->dev))
1187             netif_wake_queue(pDevice->dev);
1188     }
1189
1190     spin_unlock_irq(&pDevice->lock);
1191
1192     pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1193     add_timer(&pMgmt->sTimerSecondCallback);
1194 }
1195
1196 /*+
1197  *
1198  * Routine Description:
1199  *
1200  *
1201  *  Update Tx attemps, Tx failure counter in Node DB
1202  *
1203  *
1204  * Return Value:
1205  *    none.
1206  *
1207 -*/
1208
1209 void BSSvUpdateNodeTxCounter(void *hDeviceContext,
1210                              PSStatCounter pStatistic,
1211                              BYTE byTSR,
1212                              BYTE byPktNO)
1213 {
1214     PSDevice        pDevice = (PSDevice)hDeviceContext;
1215     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1216     unsigned int            uNodeIndex = 0;
1217     BYTE            byTxRetry;
1218     WORD            wRate;
1219     WORD            wFallBackRate = RATE_1M;
1220     BYTE            byFallBack;
1221     unsigned int            ii;
1222     PBYTE           pbyDestAddr;
1223     BYTE            byPktNum;
1224     WORD            wFIFOCtl;
1225
1226     byPktNum = (byPktNO & 0x0F) >> 4;
1227     byTxRetry = (byTSR & 0xF0) >> 4;
1228     wRate = (WORD) (byPktNO & 0xF0) >> 4;
1229     wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl;
1230     pbyDestAddr = (PBYTE) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]);
1231
1232     if (wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1233         byFallBack = AUTO_FB_0;
1234     } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1235         byFallBack = AUTO_FB_1;
1236     } else {
1237         byFallBack = AUTO_FB_NONE;
1238     }
1239
1240     // Only Unicast using support rates
1241     if (wFIFOCtl & FIFOCTL_NEEDACK) {
1242         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1243             pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1244             if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1245                 // transmit success, TxAttempts at least plus one
1246                 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1247                 if ( (byFallBack == AUTO_FB_NONE) ||
1248                      (wRate < RATE_18M) ) {
1249                     wFallBackRate = wRate;
1250                 } else if (byFallBack == AUTO_FB_0) {
1251                     if (byTxRetry < 5)
1252                         wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1253                     else
1254                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1255                 } else if (byFallBack == AUTO_FB_1) {
1256                     if (byTxRetry < 5)
1257                         wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1258                     else
1259                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1260                 }
1261                 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1262             } else {
1263                 pMgmt->sNodeDBTable[0].uTxFailures ++;
1264             }
1265             pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1266             if (byTxRetry != 0) {
1267                 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry;
1268                 if ( (byFallBack == AUTO_FB_NONE) ||
1269                      (wRate < RATE_18M) ) {
1270                     pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry;
1271                 } else if (byFallBack == AUTO_FB_0) {
1272                         for (ii = 0; ii < byTxRetry; ii++) {
1273                                 if (ii < 5)
1274                                         wFallBackRate =
1275                                                 awHWRetry0[wRate-RATE_18M][ii];
1276                                 else
1277                                         wFallBackRate =
1278                                                 awHWRetry0[wRate-RATE_18M][4];
1279                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1280                         }
1281                 } else if (byFallBack == AUTO_FB_1) {
1282                         for (ii = 0; ii < byTxRetry; ii++) {
1283                                 if (ii < 5)
1284                                         wFallBackRate =
1285                                                 awHWRetry1[wRate-RATE_18M][ii];
1286                                 else
1287                                         wFallBackRate =
1288                                                 awHWRetry1[wRate-RATE_18M][4];
1289                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1290                         }
1291                 }
1292             }
1293         }
1294
1295         if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1296             (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1297
1298                 if (BSSbIsSTAInNodeDB((void *) pDevice,
1299                                       pbyDestAddr,
1300                                       &uNodeIndex)) {
1301                         pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1302                 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1303                     // transmit success, TxAttempts at least plus one
1304                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1305                     if ( (byFallBack == AUTO_FB_NONE) ||
1306                          (wRate < RATE_18M) ) {
1307                         wFallBackRate = wRate;
1308                     } else if (byFallBack == AUTO_FB_0) {
1309                         if (byTxRetry < 5)
1310                             wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1311                         else
1312                             wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1313                     } else if (byFallBack == AUTO_FB_1) {
1314                         if (byTxRetry < 5)
1315                             wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1316                         else
1317                             wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1318                     }
1319                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1320                 } else {
1321                     pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++;
1322                 }
1323                 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1324                 if (byTxRetry != 0) {
1325                     pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry;
1326                     if ( (byFallBack == AUTO_FB_NONE) ||
1327                          (wRate < RATE_18M) ) {
1328                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry;
1329                     } else if (byFallBack == AUTO_FB_0) {
1330                         for (ii = 0; ii < byTxRetry; ii++) {
1331                                 if (ii < 5)
1332                                         wFallBackRate =
1333                                                 awHWRetry0[wRate-RATE_18M][ii];
1334                                 else
1335                                         wFallBackRate =
1336                                                 awHWRetry0[wRate-RATE_18M][4];
1337                                 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1338                         }
1339                     } else if (byFallBack == AUTO_FB_1) {
1340                       for (ii = 0; ii < byTxRetry; ii++) {
1341                         if (ii < 5)
1342                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1343                         else
1344                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1345                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1346                       }
1347                     }
1348                 }
1349             }
1350         }
1351     }
1352 }
1353
1354 /*+
1355  *
1356  * Routine Description:
1357  *    Clear Nodes & skb in DB Table
1358  *
1359  *
1360  * Parameters:
1361  *  In:
1362  *      hDeviceContext        - The adapter context.
1363  *      uStartIndex           - starting index
1364  *  Out:
1365  *      none
1366  *
1367  * Return Value:
1368  *    None.
1369  *
1370 -*/
1371
1372 void BSSvClearNodeDBTable(void *hDeviceContext,
1373                           unsigned int uStartIndex)
1374 {
1375     PSDevice     pDevice = (PSDevice)hDeviceContext;
1376     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1377     struct sk_buff  *skb;
1378     unsigned int            ii;
1379
1380     for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1381         if (pMgmt->sNodeDBTable[ii].bActive) {
1382             // check if sTxPSQueue has been initial
1383             if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1384                 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){
1385                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1386                         dev_kfree_skb(skb);
1387                 }
1388             }
1389             memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1390         }
1391     }
1392 };
1393
1394 void s_vCheckSensitivity(void *hDeviceContext)
1395 {
1396     PSDevice        pDevice = (PSDevice)hDeviceContext;
1397     PKnownBSS       pBSSList = NULL;
1398     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1399     int             ii;
1400
1401     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1402         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1403         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1404         if (pBSSList != NULL) {
1405                 /* Update BB register if RSSI is too strong */
1406                 signed long    LocalldBmAverage = 0;
1407                 signed long    uNumofdBm = 0;
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,
1427                                          WLAN_CMD_CHANGE_BBSENSITIVITY,
1428                                          NULL);
1429                 } else {
1430                     pDevice->uBBVGADiffCount = 0;
1431                 }
1432             }
1433         }
1434     }
1435 }
1436
1437 void s_uCalculateLinkQual(void *hDeviceContext)
1438 {
1439    PSDevice        pDevice = (PSDevice)hDeviceContext;
1440    unsigned long TxOkRatio, TxCnt;
1441    unsigned long RxOkRatio, RxCnt;
1442    unsigned long RssiRatio;
1443    long ldBm;
1444
1445 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1446               pDevice->scStatistic.TxRetryOkCount +
1447               pDevice->scStatistic.TxFailCount;
1448 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1449               pDevice->scStatistic.RxOkCnt;
1450 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1451 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1452 //decide link quality
1453 if(pDevice->bLinkPass !=TRUE)
1454 {
1455    pDevice->scStatistic.LinkQuality = 0;
1456    pDevice->scStatistic.SignalStren = 0;
1457 }
1458 else
1459 {
1460    RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
1461    if(-ldBm < 50)  {
1462         RssiRatio = 4000;
1463      }
1464    else if(-ldBm > 90) {
1465         RssiRatio = 0;
1466      }
1467    else {
1468         RssiRatio = (40-(-ldBm-50))*4000/40;
1469      }
1470    pDevice->scStatistic.SignalStren = RssiRatio/40;
1471    pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1472 }
1473    pDevice->scStatistic.RxFcsErrCnt = 0;
1474    pDevice->scStatistic.RxOkCnt = 0;
1475    pDevice->scStatistic.TxFailCount = 0;
1476    pDevice->scStatistic.TxNoRetryOkCount = 0;
1477    pDevice->scStatistic.TxRetryOkCount = 0;
1478 }
1479
1480 void BSSvClearAnyBSSJoinRecord(void *hDeviceContext)
1481 {
1482     PSDevice        pDevice = (PSDevice)hDeviceContext;
1483     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1484     unsigned int            ii;
1485
1486         for (ii = 0; ii < MAX_BSS_NUM; ii++)
1487         pMgmt->sBSSList[ii].bSelected = FALSE;
1488 }
1489
1490 void s_vCheckPreEDThreshold(void *hDeviceContext)
1491 {
1492     PSDevice        pDevice = (PSDevice)hDeviceContext;
1493     PKnownBSS       pBSSList = NULL;
1494     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1495
1496     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1497         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1498         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1499         if (pBSSList != NULL) {
1500             pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
1501             BBvUpdatePreEDThreshold(pDevice, FALSE);
1502         }
1503     }
1504 }
1505