Pileus Git - ~andy/linux/blob - 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                          QWORD 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     HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 384     LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 385     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 386     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 387     pBSSList->uClearCount = 0;
 388
 389     if (pSSID->len > WLAN_SSID_MAXLEN)
 390         pSSID->len = WLAN_SSID_MAXLEN;
 391     memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 392
 393     pBSSList->uChannel = byCurrChannel;
 394
 395     if (pSuppRates->len > WLAN_RATES_MAXLEN)
 396         pSuppRates->len = WLAN_RATES_MAXLEN;
 397     memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 398
 399     if (pExtSuppRates != NULL) {
 400         if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
 401             pExtSuppRates->len = WLAN_RATES_MAXLEN;
 402         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 403         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
 404
 405     } else {
 406         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 407     }
 408     pBSSList->sERP.byERP = psERP->byERP;
 409     pBSSList->sERP.bERPExist = psERP->bERPExist;
 410
 411     // Check if BSS is 802.11a/b/g
 412     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 413         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 414     } else {
 415         if (pBSSList->sERP.bERPExist == TRUE) {
 416             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 417         } else {
 418             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 419         }
 420     }
 421
 422     pBSSList->byRxRate = pRxPacket->byRxRate;
 423     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 424     pBSSList->uRSSI = pRxPacket->uRSSI;
 425     pBSSList->bySQ = pRxPacket->bySQ;
 426
 427    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 428         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 429         // assoc with BSS
 430         if (pBSSList == pMgmt->pCurrBSS) {
 431             bParsingQuiet = TRUE;
 432         }
 433     }
 434
 435     WPA_ClearRSN(pBSSList);
 436
 437     if (pRSNWPA != NULL) {
 438         unsigned int uLen = pRSNWPA->len + 2;
 439
 440         if (uLen <= (uIELength -
 441                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
 442                 pBSSList->wWPALen = uLen;
 443                 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 444                 WPA_ParseRSN(pBSSList, pRSNWPA);
 445         }
 446     }
 447
 448     WPA2_ClearRSN(pBSSList);
 449
 450     if (pRSN != NULL) {
 451         unsigned int uLen = pRSN->len + 2;
 452
 453         if (uLen <= (uIELength -
 454                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) {
 455                 pBSSList->wRSNLen = uLen;
 456                 memcpy(pBSSList->byRSNIE, pRSN, uLen);
 457                 WPA2vParseRSN(pBSSList, pRSN);
 458         }
 459     }
 460
 461     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
 462
 463         PSKeyItem  pTransmitKey = NULL;
 464         BOOL       bIs802_1x = FALSE;
 465
 466         for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) {
 467             if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
 468                 bIs802_1x = TRUE;
 469                 break;
 470             }
 471         }
 472         if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
 473             ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 474
 475                 bAdd_PMKID_Candidate((void *) pDevice,
 476                                      pBSSList->abyBSSID,
 477                                      &pBSSList->sRSNCapObj);
 478
 479             if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 480                 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
 481                     (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == TRUE)) {
 482                     pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
 483                     pDevice->gsPMKIDCandidate.Version = 1;
 484
 485                 }
 486
 487             }
 488         }
 489     }
 490
 491     if (pDevice->bUpdateBBVGA) {
 492         // Monitor if RSSI is too strong.
 493         pBSSList->byRSSIStatCnt = 0;
 494         RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
 495         pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
 496         pBSSList->ldBmAverRange = pBSSList->ldBmMAX;
 497         for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
 498             pBSSList->ldBmAverage[ii] = 0;
 499     }
 500
 501     pBSSList->uIELength = uIELength;
 502     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 503         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 504     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 505
 506     return TRUE;
 507 }
 508
 509
 510 /*+
 511  *
 512  * Routine Description:
 513  *    Update BSS set in known BSS list
 514  *
 515  * Return Value:
 516  *    TRUE if success.
 517  *
 518 -*/
 519 // TODO: input structure modify
 520
 521 BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 522                          QWORD qwTimestamp,
 523                          WORD wBeaconInterval,
 524                          WORD wCapInfo,
 525                          BYTE byCurrChannel,
 526                          BOOL bChannelHit,
 527                          PWLAN_IE_SSID pSSID,
 528                          PWLAN_IE_SUPP_RATES pSuppRates,
 529                          PWLAN_IE_SUPP_RATES pExtSuppRates,
 530                          PERPObject psERP,
 531                          PWLAN_IE_RSN pRSN,
 532                          PWLAN_IE_RSN_EXT pRSNWPA,
 533                          PWLAN_IE_COUNTRY pIE_Country,
 534                          PWLAN_IE_QUIET pIE_Quiet,
 535                          PKnownBSS pBSSList,
 536                          unsigned int uIELength,
 537                          PBYTE pbyIEs,
 538                          void *pRxPacketContext)
 539 {
 540     int             ii, jj;
 541     PSDevice        pDevice = (PSDevice)hDeviceContext;
 542     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 543     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 544     signed long            ldBm, ldBmSum;
 545     BOOL            bParsingQuiet = FALSE;
 546
 547     if (pBSSList == NULL)
 548         return FALSE;
 549
 550
 551     HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 552     LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 553     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 554     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 555     pBSSList->uClearCount = 0;
 556     pBSSList->uChannel = byCurrChannel;
 557
 558     if (pSSID->len > WLAN_SSID_MAXLEN)
 559         pSSID->len = WLAN_SSID_MAXLEN;
 560
 561     if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
 562         memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 563     memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN);
 564
 565     if (pExtSuppRates != NULL) {
 566         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN);
 567     } else {
 568         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 569     }
 570     pBSSList->sERP.byERP = psERP->byERP;
 571     pBSSList->sERP.bERPExist = psERP->bERPExist;
 572
 573     // Check if BSS is 802.11a/b/g
 574     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 575         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 576     } else {
 577         if (pBSSList->sERP.bERPExist == TRUE) {
 578             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 579         } else {
 580             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 581         }
 582     }
 583
 584     pBSSList->byRxRate = pRxPacket->byRxRate;
 585     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 586     if(bChannelHit)
 587         pBSSList->uRSSI = pRxPacket->uRSSI;
 588     pBSSList->bySQ = pRxPacket->bySQ;
 589
 590    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 591         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 592         // assoc with BSS
 593         if (pBSSList == pMgmt->pCurrBSS) {
 594             bParsingQuiet = TRUE;
 595         }
 596     }
 597
 598    WPA_ClearRSN(pBSSList);         //mike update
 599
 600    if (pRSNWPA != NULL) {
 601         unsigned int uLen = pRSNWPA->len + 2;
 602         if (uLen <= (uIELength -
 603                      (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) {
 604                 pBSSList->wWPALen = uLen;
 605                 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 606                 WPA_ParseRSN(pBSSList, pRSNWPA);
 607         }
 608    }
 609
 610    WPA2_ClearRSN(pBSSList);  //mike update
 611
 612     if (pRSN != NULL) {
 613         unsigned int uLen = pRSN->len + 2;
 614         if (uLen <= (uIELength -
 615                         (unsigned int) (ULONG_PTR) ((PBYTE) 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, (BYTE)(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         ldBmSum = 0;
 629         for (ii = 0, jj = 0; ii < RSSI_STAT_COUNT; ii++) {
 630                 if (pBSSList->ldBmAverage[ii] != 0) {
 631                         pBSSList->ldBmMAX =
 632                                 max(pBSSList->ldBmAverage[ii], ldBm);
 633                         ldBmSum +=
 634                                 pBSSList->ldBmAverage[ii];
 635                         jj++;
 636                 }
 637         }
 638         pBSSList->ldBmAverRange = ldBmSum /jj;
 639     }
 640
 641     pBSSList->uIELength = uIELength;
 642     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 643         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 644     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 645
 646     return TRUE;
 647 }
 648
 649
 650
 651
 652
 653 /*+
 654  *
 655  * Routine Description:
 656  *    Search Node DB table to find the index of matched DstAddr
 657  *
 658  * Return Value:
 659  *    None
 660  *
 661 -*/
 662
 663 BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
 664                        PBYTE abyDstAddr,
 665                        unsigned int *puNodeIndex)
 666 {
 667     PSDevice        pDevice = (PSDevice)hDeviceContext;
 668     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 669     unsigned int            ii;
 670
 671     // Index = 0 reserved for AP Node
 672     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 673         if (pMgmt->sNodeDBTable[ii].bActive) {
 674                 if (!compare_ether_addr(abyDstAddr,
 675                                         pMgmt->sNodeDBTable[ii].abyMACAddr)) {
 676                 *puNodeIndex = ii;
 677                 return TRUE;
 678             }
 679         }
 680     }
 681
 682    return FALSE;
 683 };
 684
 685
 686
 687 /*+
 688  *
 689  * Routine Description:
 690  *    Find an empty node and allocate it; if no empty node
 691  *    is found, then use the most inactive one.
 692  *
 693  * Return Value:
 694  *    None
 695  *
 696 -*/
 697 void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
 698 {
 699
 700     PSDevice     pDevice = (PSDevice)hDeviceContext;
 701     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 702     unsigned int            ii;
 703     unsigned int            BigestCount = 0;
 704     unsigned int            SelectIndex;
 705     struct sk_buff  *skb;
 706     // Index = 0 reserved for AP Node (In STA mode)
 707     // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
 708     SelectIndex = 1;
 709     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 710         if (pMgmt->sNodeDBTable[ii].bActive) {
 711             if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
 712                 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
 713                 SelectIndex = ii;
 714             }
 715         }
 716         else {
 717             break;
 718         }
 719     }
 720
 721     // if not found replace uInActiveCount with the largest one.
 722     if ( ii == (MAX_NODE_NUM + 1)) {
 723         *puNodeIndex = SelectIndex;
 724         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
 725         // clear ps buffer
 726         if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
 727             while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
 728             dev_kfree_skb(skb);
 729         }
 730     }
 731     else {
 732         *puNodeIndex = ii;
 733     }
 734
 735     memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
 736     pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE;
 737     pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
 738     // for AP mode PS queue
 739     skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
 740     pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
 741     pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
 742     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
 743 };
 744
 745
 746
 747 /*+
 748  *
 749  * Routine Description:
 750  *    Remove Node by NodeIndex
 751  *
 752  *
 753  * Return Value:
 754  *    None
 755  *
 756 -*/
 757
 758 void BSSvRemoveOneNode(void *hDeviceContext, unsigned int uNodeIndex)
 759 {
 760
 761     PSDevice        pDevice = (PSDevice)hDeviceContext;
 762     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 763     BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 764     struct sk_buff  *skb;
 765
 766
 767     while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
 768             dev_kfree_skb(skb);
 769     // clear context
 770     memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
 771     // clear tx bit map
 772     pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &=  ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
 773 };
 774 /*+
 775  *
 776  * Routine Description:
 777  *    Update AP Node content in Index 0 of KnownNodeDB
 778  *
 779  *
 780  * Return Value:
 781  *    None
 782  *
 783 -*/
 784
 785 void BSSvUpdateAPNode(void *hDeviceContext,
 786                       PWORD pwCapInfo,
 787                       PWLAN_IE_SUPP_RATES pSuppRates,
 788                       PWLAN_IE_SUPP_RATES pExtSuppRates)
 789 {
 790     PSDevice     pDevice = (PSDevice)hDeviceContext;
 791     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 792     unsigned int            uRateLen = WLAN_RATES_MAXLEN;
 793
 794     memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 795
 796     pMgmt->sNodeDBTable[0].bActive = TRUE;
 797     if (pDevice->byBBType == BB_TYPE_11B) {
 798         uRateLen = WLAN_RATES_MAXLEN_11B;
 799     }
 800     pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
 801                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 802                                             uRateLen);
 803     pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
 804                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 805                                             uRateLen);
 806     RATEvParseMaxRate((void *) pDevice,
 807                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 808                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 809                        TRUE,
 810                        &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 811                        &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 812                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 813                        &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 814                        &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 815                       );
 816     memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
 817     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
 818     pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
 819     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 820     // Auto rate fallback function initiation.
 821     // RATEbInit(pDevice);
 822     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
 823
 824 };
 825
 826 /*+
 827  *
 828  * Routine Description:
 829  *    Add Multicast Node content in Index 0 of KnownNodeDB
 830  *
 831  *
 832  * Return Value:
 833  *    None
 834  *
 835 -*/
 836
 837 void BSSvAddMulticastNode(void *hDeviceContext)
 838 {
 839     PSDevice     pDevice = (PSDevice)hDeviceContext;
 840     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 841
 842     if (!pDevice->bEnableHostWEP)
 843         memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 844     memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
 845     pMgmt->sNodeDBTable[0].bActive = TRUE;
 846     pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
 847     skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
 848     RATEvParseMaxRate((void *) pDevice,
 849                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 850                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 851                       TRUE,
 852                       &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 853                       &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 854                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 855                       &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 856                       &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 857                      );
 858     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
 859     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 860
 861 };
 862
 863 /*+
 864  *
 865  * Routine Description:
 866  *
 867  *
 868  *  Second call back function to update Node DB info & AP link status
 869  *
 870  *
 871  * Return Value:
 872  *    none.
 873  *
 874 -*/
 875
 876 void BSSvSecondCallBack(void *hDeviceContext)
 877 {
 878     PSDevice        pDevice = (PSDevice)hDeviceContext;
 879     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 880     unsigned int            ii;
 881     PWLAN_IE_SSID   pItemSSID, pCurrSSID;
 882     unsigned int            uSleepySTACnt = 0;
 883     unsigned int            uNonShortSlotSTACnt = 0;
 884     unsigned int            uLongPreambleSTACnt = 0;
 885
 886     spin_lock_irq(&pDevice->lock);
 887
 888     pDevice->uAssocCount = 0;
 889
 890     //Power Saving Mode Tx Burst
 891     if ( pDevice->bEnablePSMode == TRUE ) {
 892         pDevice->ulPSModeWaitTx++;
 893         if ( pDevice->ulPSModeWaitTx >= 2 ) {
 894             pDevice->ulPSModeWaitTx = 0;
 895             pDevice->bPSModeTxBurst = FALSE;
 896         }
 897     }
 898
 899     pDevice->byERPFlag &=
 900         ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
 901
 902     if (pDevice->wUseProtectCntDown > 0) {
 903         pDevice->wUseProtectCntDown --;
 904     }
 905     else {
 906         // disable protect mode
 907         pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
 908     }
 909
 910 if(pDevice->byReAssocCount > 0) {
 911        pDevice->byReAssocCount++;
 912    if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) {  //10 sec timeout
 913                      printk("Re-association timeout!!!\n");
 914                    pDevice->byReAssocCount = 0;
 915                     // if(pDevice->bWPASuppWextEnabled == TRUE)
 916                         {
 917                         union iwreq_data  wrqu;
 918                         memset(&wrqu, 0, sizeof (wrqu));
 919                           wrqu.ap_addr.sa_family = ARPHRD_ETHER;
 920                         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
 921                         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
 922                        }
 923      }
 924    else if(pDevice->bLinkPass == TRUE)
 925         pDevice->byReAssocCount = 0;
 926 }
 927
 928  pMgmt->eLastState = pMgmt->eCurrState ;
 929
 930    s_uCalculateLinkQual((void *)pDevice);
 931
 932     for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
 933
 934         if (pMgmt->sNodeDBTable[ii].bActive) {
 935             // Increase in-activity counter
 936             pMgmt->sNodeDBTable[ii].uInActiveCount++;
 937
 938             if (ii > 0) {
 939                 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
 940                     BSSvRemoveOneNode(pDevice, ii);
 941                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
 942                         "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
 943                     continue;
 944                 }
 945
 946                 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
 947
 948                     pDevice->uAssocCount++;
 949
 950                     // check if Non ERP exist
 951                     if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
 952                         if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
 953                             pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
 954                             uLongPreambleSTACnt ++;
 955                         }
 956                         if (!pMgmt->sNodeDBTable[ii].bERPExist) {
 957                             pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
 958                             pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
 959                         }
 960                         if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
 961                             uNonShortSlotSTACnt++;
 962                     }
 963                 }
 964
 965                 // check if any STA in PS mode
 966                 if (pMgmt->sNodeDBTable[ii].bPSEnable)
 967                     uSleepySTACnt++;
 968
 969
 970             }
 971
 972             // Rate fallback check
 973             if (!pDevice->bFixRate) {
 974                 if (ii > 0) {
 975                     // ii = 0 for multicast node (AP & Adhoc)
 976                         RATEvTxRateFallBack((void *)pDevice,
 977                                             &(pMgmt->sNodeDBTable[ii]));
 978                 }
 979                 else {
 980                     // ii = 0 reserved for unicast AP node (Infra STA)
 981                         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
 982                                 RATEvTxRateFallBack((void *)pDevice,
 983                                                     &(pMgmt->sNodeDBTable[ii]));
 984                 }
 985
 986             }
 987
 988             // check if pending PS queue
 989             if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
 990                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
 991                            ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
 992                 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
 993                     BSSvRemoveOneNode(pDevice, ii);
 994                     DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
 995                     continue;
 996                 }
 997             }
 998         }
 999
1000     }
1001
1002
1003     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->byBBType == BB_TYPE_11G)) {
1004
1005         // on/off protect mode
1006         if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1007             if (!pDevice->bProtectMode) {
1008                 MACvEnableProtectMD(pDevice);
1009                 pDevice->bProtectMode = TRUE;
1010             }
1011         }
1012         else {
1013             if (pDevice->bProtectMode) {
1014                 MACvDisableProtectMD(pDevice);
1015                 pDevice->bProtectMode = FALSE;
1016             }
1017         }
1018         // on/off short slot time
1019
1020         if (uNonShortSlotSTACnt > 0) {
1021             if (pDevice->bShortSlotTime) {
1022                 pDevice->bShortSlotTime = FALSE;
1023                 BBvSetShortSlotTime(pDevice);
1024                 vUpdateIFS((void *)pDevice);
1025             }
1026         }
1027         else {
1028             if (!pDevice->bShortSlotTime) {
1029                 pDevice->bShortSlotTime = TRUE;
1030                 BBvSetShortSlotTime(pDevice);
1031                 vUpdateIFS((void *)pDevice);
1032             }
1033         }
1034
1035         // on/off barker long preamble mode
1036
1037         if (uLongPreambleSTACnt > 0) {
1038             if (!pDevice->bBarkerPreambleMd) {
1039                 MACvEnableBarkerPreambleMd(pDevice);
1040                 pDevice->bBarkerPreambleMd = TRUE;
1041             }
1042         }
1043         else {
1044             if (pDevice->bBarkerPreambleMd) {
1045                 MACvDisableBarkerPreambleMd(pDevice);
1046                 pDevice->bBarkerPreambleMd = FALSE;
1047             }
1048         }
1049
1050     }
1051
1052
1053     // Check if any STA in PS mode, enable DTIM multicast deliver
1054     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1055         if (uSleepySTACnt > 0)
1056             pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1057         else
1058             pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1059     }
1060
1061     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1062     pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1063
1064     if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1065         (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1066
1067         if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1068
1069             if (pDevice->bUpdateBBVGA) {
1070                 /* s_vCheckSensitivity((void *) pDevice); */
1071                 s_vCheckPreEDThreshold((void *) pDevice);
1072             }
1073
1074             if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1075                 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
1076                 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1077                 bScheduleCommand((void *) pDevice,
1078                                  WLAN_CMD_CHANGE_BBSENSITIVITY,
1079                                  NULL);
1080             }
1081
1082                 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1083                 pMgmt->sNodeDBTable[0].bActive = FALSE;
1084                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1085                 pMgmt->eCurrState = WMAC_STATE_IDLE;
1086                 netif_stop_queue(pDevice->dev);
1087                 pDevice->bLinkPass = FALSE;
1088                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1089                 pDevice->bRoaming = TRUE;
1090                 pDevice->bIsRoaming = FALSE;
1091
1092                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1093                 /* let wpa supplicant know AP may disconnect */
1094       {
1095         union iwreq_data  wrqu;
1096         memset(&wrqu, 0, sizeof (wrqu));
1097         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1098         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1099         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1100      }
1101             }
1102         }
1103         else if (pItemSSID->len != 0) {
1104 //Davidwang
1105       if ((pDevice->bEnableRoaming == TRUE)&&(!(pMgmt->Cisco_cckm))) {
1106 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
1107 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming );
1108           if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){
1109                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast   Roaming ...\n");
1110                 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
1111                 bScheduleCommand((void *) pDevice,
1112                                  WLAN_CMD_BSSID_SCAN,
1113                                  pMgmt->abyDesireSSID);
1114                 bScheduleCommand((void *) pDevice,
1115                                  WLAN_CMD_SSID,
1116                                  pMgmt->abyDesireSSID);
1117                 pDevice->uAutoReConnectTime = 0;
1118                 pDevice->uIsroamingTime = 0;
1119                 pDevice->bRoaming = FALSE;
1120           }
1121       else if ((pDevice->bRoaming == FALSE)&&(pDevice->bIsRoaming == TRUE)) {
1122                             pDevice->uIsroamingTime++;
1123        if (pDevice->uIsroamingTime >= 20)
1124             pDevice->bIsRoaming = FALSE;
1125          }
1126
1127    }
1128 else {
1129             if (pDevice->uAutoReConnectTime < 10) {
1130                 pDevice->uAutoReConnectTime++;
1131                 //network manager support need not do Roaming scan???
1132                 if(pDevice->bWPASuppWextEnabled ==TRUE)
1133                  pDevice->uAutoReConnectTime = 0;
1134             }
1135             else {
1136             //mike use old encryption status for wpa reauthen
1137               if(pDevice->bWPADEVUp)
1138                   pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1139
1140                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1141                 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass);
1142                 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1143                 bScheduleCommand((void *) pDevice,
1144                                  WLAN_CMD_BSSID_SCAN,
1145                                  pMgmt->abyDesireSSID);
1146                 bScheduleCommand((void *) pDevice,
1147                                  WLAN_CMD_SSID,
1148                                  pMgmt->abyDesireSSID);
1149                 pDevice->uAutoReConnectTime = 0;
1150             }
1151         }
1152     }
1153     }
1154
1155     if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1156         // if adhoc started which essid is NULL string, rescanning.
1157         if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1158             if (pDevice->uAutoReConnectTime < 10) {
1159                 pDevice->uAutoReConnectTime++;
1160             }
1161             else {
1162                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1163                pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1164                 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1165                 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
1166                 pDevice->uAutoReConnectTime = 0;
1167             };
1168         }
1169         if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1170
1171                 if (pDevice->bUpdateBBVGA) {
1172                         /* s_vCheckSensitivity((void *) pDevice); */
1173                         s_vCheckPreEDThreshold((void *) pDevice);
1174                 }
1175                 if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
1176                     DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1177                 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1178                 pMgmt->eCurrState = WMAC_STATE_STARTED;
1179                 netif_stop_queue(pDevice->dev);
1180                 pDevice->bLinkPass = FALSE;
1181                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1182             }
1183         }
1184     }
1185
1186     if (pDevice->bLinkPass == TRUE) {
1187         if (netif_queue_stopped(pDevice->dev))
1188             netif_wake_queue(pDevice->dev);
1189     }
1190
1191     spin_unlock_irq(&pDevice->lock);
1192
1193     pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1194     add_timer(&pMgmt->sTimerSecondCallback);
1195 }
1196
1197 /*+
1198  *
1199  * Routine Description:
1200  *
1201  *
1202  *  Update Tx attemps, Tx failure counter in Node DB
1203  *
1204  *
1205  * Return Value:
1206  *    none.
1207  *
1208 -*/
1209
1210 void BSSvUpdateNodeTxCounter(void *hDeviceContext,
1211                              PSStatCounter pStatistic,
1212                              BYTE byTSR,
1213                              BYTE byPktNO)
1214 {
1215     PSDevice        pDevice = (PSDevice)hDeviceContext;
1216     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1217     unsigned int            uNodeIndex = 0;
1218     BYTE            byTxRetry;
1219     WORD            wRate;
1220     WORD            wFallBackRate = RATE_1M;
1221     BYTE            byFallBack;
1222     unsigned int            ii;
1223     PBYTE           pbyDestAddr;
1224     BYTE            byPktNum;
1225     WORD            wFIFOCtl;
1226
1227     byPktNum = (byPktNO & 0x0F) >> 4;
1228     byTxRetry = (byTSR & 0xF0) >> 4;
1229     wRate = (WORD) (byPktNO & 0xF0) >> 4;
1230     wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl;
1231     pbyDestAddr = (PBYTE) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]);
1232
1233     if (wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1234         byFallBack = AUTO_FB_0;
1235     } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1236         byFallBack = AUTO_FB_1;
1237     } else {
1238         byFallBack = AUTO_FB_NONE;
1239     }
1240
1241     // Only Unicast using support rates
1242     if (wFIFOCtl & FIFOCTL_NEEDACK) {
1243         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1244             pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1245             if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1246                 // transmit success, TxAttempts at least plus one
1247                 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1248                 if ( (byFallBack == AUTO_FB_NONE) ||
1249                      (wRate < RATE_18M) ) {
1250                     wFallBackRate = wRate;
1251                 } else if (byFallBack == AUTO_FB_0) {
1252                     if (byTxRetry < 5)
1253                         wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1254                     else
1255                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1256                 } else if (byFallBack == AUTO_FB_1) {
1257                     if (byTxRetry < 5)
1258                         wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1259                     else
1260                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1261                 }
1262                 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1263             } else {
1264                 pMgmt->sNodeDBTable[0].uTxFailures ++;
1265             }
1266             pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1267             if (byTxRetry != 0) {
1268                 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry;
1269                 if ( (byFallBack == AUTO_FB_NONE) ||
1270                      (wRate < RATE_18M) ) {
1271                     pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry;
1272                 } else if (byFallBack == AUTO_FB_0) {
1273                         for (ii = 0; ii < byTxRetry; ii++) {
1274                                 if (ii < 5)
1275                                         wFallBackRate =
1276                                                 awHWRetry0[wRate-RATE_18M][ii];
1277                                 else
1278                                         wFallBackRate =
1279                                                 awHWRetry0[wRate-RATE_18M][4];
1280                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1281                         }
1282                 } else if (byFallBack == AUTO_FB_1) {
1283                         for (ii = 0; ii < byTxRetry; ii++) {
1284                                 if (ii < 5)
1285                                         wFallBackRate =
1286                                                 awHWRetry1[wRate-RATE_18M][ii];
1287                                 else
1288                                         wFallBackRate =
1289                                                 awHWRetry1[wRate-RATE_18M][4];
1290                                 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1291                         }
1292                 }
1293             }
1294         }
1295
1296         if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1297             (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1298
1299                 if (BSSbIsSTAInNodeDB((void *) pDevice,
1300                                       pbyDestAddr,
1301                                       &uNodeIndex)) {
1302                         pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1303                 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1304                     // transmit success, TxAttempts at least plus one
1305                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1306                     if ( (byFallBack == AUTO_FB_NONE) ||
1307                          (wRate < RATE_18M) ) {
1308                         wFallBackRate = wRate;
1309                     } else if (byFallBack == AUTO_FB_0) {
1310                         if (byTxRetry < 5)
1311                             wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1312                         else
1313                             wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1314                     } else if (byFallBack == AUTO_FB_1) {
1315                         if (byTxRetry < 5)
1316                             wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1317                         else
1318                             wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1319                     }
1320                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1321                 } else {
1322                     pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++;
1323                 }
1324                 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1325                 if (byTxRetry != 0) {
1326                     pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry;
1327                     if ( (byFallBack == AUTO_FB_NONE) ||
1328                          (wRate < RATE_18M) ) {
1329                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry;
1330                     } else if (byFallBack == AUTO_FB_0) {
1331                         for (ii = 0; ii < byTxRetry; ii++) {
1332                                 if (ii < 5)
1333                                         wFallBackRate =
1334                                                 awHWRetry0[wRate-RATE_18M][ii];
1335                                 else
1336                                         wFallBackRate =
1337                                                 awHWRetry0[wRate-RATE_18M][4];
1338                                 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1339                         }
1340                     } else if (byFallBack == AUTO_FB_1) {
1341                       for (ii = 0; ii < byTxRetry; ii++) {
1342                         if (ii < 5)
1343                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1344                         else
1345                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1346                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1347                       }
1348                     }
1349                 }
1350             }
1351         }
1352     }
1353 }
1354
1355 /*+
1356  *
1357  * Routine Description:
1358  *    Clear Nodes & skb in DB Table
1359  *
1360  *
1361  * Parameters:
1362  *  In:
1363  *      hDeviceContext        - The adapter context.
1364  *      uStartIndex           - starting index
1365  *  Out:
1366  *      none
1367  *
1368  * Return Value:
1369  *    None.
1370  *
1371 -*/
1372
1373 void BSSvClearNodeDBTable(void *hDeviceContext,
1374                           unsigned int uStartIndex)
1375 {
1376     PSDevice     pDevice = (PSDevice)hDeviceContext;
1377     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1378     struct sk_buff  *skb;
1379     unsigned int            ii;
1380
1381     for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1382         if (pMgmt->sNodeDBTable[ii].bActive) {
1383             // check if sTxPSQueue has been initial
1384             if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1385                 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){
1386                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1387                         dev_kfree_skb(skb);
1388                 }
1389             }
1390             memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1391         }
1392     }
1393 };
1394
1395 void s_vCheckSensitivity(void *hDeviceContext)
1396 {
1397     PSDevice        pDevice = (PSDevice)hDeviceContext;
1398     PKnownBSS       pBSSList = NULL;
1399     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1400     int             ii;
1401
1402     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1403         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1404         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1405         if (pBSSList != NULL) {
1406                 /* Update BB register if RSSI is too strong */
1407                 signed long    LocalldBmAverage = 0;
1408                 signed long    uNumofdBm = 0;
1409             for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1410                 if (pBSSList->ldBmAverage[ii] != 0) {
1411                     uNumofdBm ++;
1412                     LocalldBmAverage += pBSSList->ldBmAverage[ii];
1413                 }
1414             }
1415             if (uNumofdBm > 0) {
1416                 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1417                 for (ii=0;ii<BB_VGA_LEVEL;ii++) {
1418                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1419                     if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1420                             pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1421                         break;
1422                     }
1423                 }
1424                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1425                     pDevice->uBBVGADiffCount++;
1426                     if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1427                         bScheduleCommand((void *) pDevice,
1428                                          WLAN_CMD_CHANGE_BBSENSITIVITY,
1429                                          NULL);
1430                 } else {
1431                     pDevice->uBBVGADiffCount = 0;
1432                 }
1433             }
1434         }
1435     }
1436 }
1437
1438 void s_uCalculateLinkQual(void *hDeviceContext)
1439 {
1440    PSDevice        pDevice = (PSDevice)hDeviceContext;
1441    unsigned long TxOkRatio, TxCnt;
1442    unsigned long RxOkRatio, RxCnt;
1443    unsigned long RssiRatio;
1444    long ldBm;
1445
1446 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1447               pDevice->scStatistic.TxRetryOkCount +
1448               pDevice->scStatistic.TxFailCount;
1449 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1450               pDevice->scStatistic.RxOkCnt;
1451 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1452 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1453 //decide link quality
1454 if(pDevice->bLinkPass !=TRUE)
1455 {
1456    pDevice->scStatistic.LinkQuality = 0;
1457    pDevice->scStatistic.SignalStren = 0;
1458 }
1459 else
1460 {
1461    RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
1462    if(-ldBm < 50)  {
1463         RssiRatio = 4000;
1464      }
1465    else if(-ldBm > 90) {
1466         RssiRatio = 0;
1467      }
1468    else {
1469         RssiRatio = (40-(-ldBm-50))*4000/40;
1470      }
1471    pDevice->scStatistic.SignalStren = RssiRatio/40;
1472    pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1473 }
1474    pDevice->scStatistic.RxFcsErrCnt = 0;
1475    pDevice->scStatistic.RxOkCnt = 0;
1476    pDevice->scStatistic.TxFailCount = 0;
1477    pDevice->scStatistic.TxNoRetryOkCount = 0;
1478    pDevice->scStatistic.TxRetryOkCount = 0;
1479 }
1480
1481 void BSSvClearAnyBSSJoinRecord(void *hDeviceContext)
1482 {
1483     PSDevice        pDevice = (PSDevice)hDeviceContext;
1484     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1485     unsigned int            ii;
1486
1487         for (ii = 0; ii < MAX_BSS_NUM; ii++)
1488         pMgmt->sBSSList[ii].bSelected = FALSE;
1489 }
1490
1491 void s_vCheckPreEDThreshold(void *hDeviceContext)
1492 {
1493     PSDevice        pDevice = (PSDevice)hDeviceContext;
1494     PKnownBSS       pBSSList = NULL;
1495     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1496
1497     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1498         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1499         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1500         if (pBSSList != NULL) {
1501             pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
1502             BBvUpdatePreEDThreshold(pDevice, FALSE);
1503         }
1504     }
1505 }
1506