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(
  95     IN HANDLE hDeviceContext
  96     );
  97
  98 VOID s_vCheckPreEDThreshold(
  99     IN HANDLE hDeviceContext
 100     );
 101
 102 #ifdef Calcu_LinkQual
 103 VOID s_uCalculateLinkQual(
 104     IN HANDLE hDeviceContext
 105     );
 106 #endif
 107 /*---------------------  Export Variables  --------------------------*/
 108
 109
 110 /*---------------------  Export Functions  --------------------------*/
 111
 112
 113
 114
 115
 116 /*+
 117  *
 118  * Routine Description:
 119  *    Search known BSS list for Desire SSID or BSSID.
 120  *
 121  * Return Value:
 122  *    PTR to KnownBSS or NULL
 123  *
 124 -*/
 125
 126 PKnownBSS
 127 BSSpSearchBSSList(
 128     IN HANDLE hDeviceContext,
 129     IN PBYTE pbyDesireBSSID,
 130     IN PBYTE pbyDesireSSID,
 131     IN CARD_PHY_TYPE  ePhyType
 132     )
 133 {
 134     PSDevice        pDevice = (PSDevice)hDeviceContext;
 135     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 136     PBYTE           pbyBSSID = NULL;
 137     PWLAN_IE_SSID   pSSID = NULL;
 138     PKnownBSS       pCurrBSS = NULL;
 139     PKnownBSS       pSelect = NULL;
 140     BYTE                 ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
 141     UINT            ii = 0;
 142     UINT            jj = 0;   //DavidWang
 143     if (pbyDesireBSSID != NULL) {
 144         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSpSearchBSSList BSSID[%02X %02X %02X-%02X %02X %02X]\n",
 145                             *pbyDesireBSSID,*(pbyDesireBSSID+1),*(pbyDesireBSSID+2),
 146                             *(pbyDesireBSSID+3),*(pbyDesireBSSID+4),*(pbyDesireBSSID+5));
 147         if ((!IS_BROADCAST_ADDRESS(pbyDesireBSSID)) &&
 148              (memcmp(pbyDesireBSSID, ZeroBSSID, 6)!= 0)){
 149             pbyBSSID = pbyDesireBSSID;
 150         }
 151     }
 152     if (pbyDesireSSID != NULL) {
 153         if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) {
 154             pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
 155         }
 156     }
 157
 158     if ((pbyBSSID != NULL)&&(pDevice->bRoaming == FALSE)) {
 159         // match BSSID first
 160         for (ii = 0; ii <MAX_BSS_NUM; ii++) {
 161             pCurrBSS = &(pMgmt->sBSSList[ii]);
 162
 163         //2008-0718-01<Add>by MikeLiu
 164            pCurrBSS->bSelected = FALSE;
 165
 166             if ((pCurrBSS->bActive) &&
 167                 (pCurrBSS->bSelected == FALSE)) {
 168                 if (IS_ETH_ADDRESS_EQUAL(pCurrBSS->abyBSSID, pbyBSSID)) {
 169                     if (pSSID != NULL) {
 170                         // compare ssid
 171                         if ( !memcmp(pSSID->abySSID,
 172                             ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 173                             pSSID->len)) {
 174                             if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 175                                 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 176                                 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 177                                 ) {
 178                                 pCurrBSS->bSelected = TRUE;
 179                                 return(pCurrBSS);
 180                             }
 181                         }
 182                     } else {
 183                         if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
 184                             ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
 185                             ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
 186                             ) {
 187                             pCurrBSS->bSelected = TRUE;
 188                             return(pCurrBSS);
 189                         }
 190                     }
 191                 }
 192             }
 193         }
 194     } else {
 195         // ignore BSSID
 196         for (ii = 0; ii <MAX_BSS_NUM; ii++) {
 197             pCurrBSS = &(pMgmt->sBSSList[ii]);
 198
 199            //2007-0721-01<Mark>by MikeLiu
 200          //   if ((pCurrBSS->bActive) &&
 201          //       (pCurrBSS->bSelected == FALSE)) {
 202
 203         //2007-0721-01<Add>by MikeLiu
 204           pCurrBSS->bSelected = FALSE;
 205           if (pCurrBSS->bActive) {
 206
 207                 if (pSSID != NULL) {
 208                     // matched SSID
 209                     if (memcmp(pSSID->abySSID,
 210                         ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
 211                         pSSID->len) ||
 212                         (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
 213                         // SSID not match skip this BSS
 214                         continue;
 215                       }
 216                 }
 217                 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
 218                     ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
 219                     ){
 220                     // Type not match skip this BSS
 221                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
 222                     continue;
 223                 }
 224
 225                 if (ePhyType != PHY_TYPE_AUTO) {
 226                     if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
 227                         ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
 228                         // PhyType not match skip this BSS
 229                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
 230                         continue;
 231                     }
 232                 }
 233 /*
 234                 if (pMgmt->eAuthenMode < WMAC_AUTH_WPA) {
 235                     if (pCurrBSS->bWPAValid == TRUE) {
 236                         // WPA AP will reject connection of station without WPA enable.
 237                         continue;
 238                     }
 239                 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
 240                            (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) {
 241                     if (pCurrBSS->bWPAValid == FALSE) {
 242                         // station with WPA enable can't join NonWPA AP.
 243                         continue;
 244                     }
 245                 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
 246                            (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
 247                     if (pCurrBSS->bWPA2Valid == FALSE) {
 248                         // station with WPA2 enable can't join NonWPA2 AP.
 249                         continue;
 250                     }
 251                 }
 252 */
 253 //DavidWang
 254         pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel;
 255         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSpSearchBSSList pSelect1[%02X %02X %02X-%02X %02X %02X]\n",*pCurrBSS->abyBSSID,*(pCurrBSS->abyBSSID+1),*(pCurrBSS->abyBSSID+2),*(pCurrBSS->abyBSSID+3),*(pCurrBSS->abyBSSID+4),*(pCurrBSS->abyBSSID+5));
 256         jj++;
 257
 258 //DavidWang
 259                 if (pSelect == NULL) {
 260                     pSelect = pCurrBSS;
 261                 } else {
 262                     // compare RSSI, select signal strong one
 263                     if (pCurrBSS->uRSSI < pSelect->uRSSI) {
 264                         pSelect = pCurrBSS;
 265                     }
 266                 }
 267             }
 268         }
 269 //DavidWang
 270 pDevice->bSameBSSMaxNum = jj;
 271 //DavidWang
 272         if (pSelect != NULL) {
 273             pSelect->bSelected = TRUE;
 274                         if (pDevice->bRoaming == FALSE)  {
 275         //       Einsn Add @20070907
 276                                 memset(pbyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
 277                         memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ;
 278                                                 }
 279
 280             return(pSelect);
 281         }
 282     }
 283     return(NULL);
 284
 285 }
 286
 287
 288 /*+
 289  *
 290  * Routine Description:
 291  *    Clear BSS List
 292  *
 293  * Return Value:
 294  *    None.
 295  *
 296 -*/
 297
 298
 299 VOID
 300 BSSvClearBSSList(
 301     IN HANDLE hDeviceContext,
 302     IN BOOL bKeepCurrBSSID
 303     )
 304 {
 305     PSDevice     pDevice = (PSDevice)hDeviceContext;
 306     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 307     UINT            ii;
 308
 309     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 310         if (bKeepCurrBSSID) {
 311             if (pMgmt->sBSSList[ii].bActive &&
 312                 IS_ETH_ADDRESS_EQUAL(pMgmt->sBSSList[ii].abyBSSID, pMgmt->abyCurrBSSID)) {
 313  //mike mark: there are two same BSSID in list if that AP is in hidden ssid mode,one 's SSID is null,
 314  //                 but other's is obvious, so if it acssociate with your STA  exactly,you must keep two
 315  //                 of them!!!!!!!!!
 316                // bKeepCurrBSSID = FALSE;
 317                 continue;
 318             }
 319         }
 320 /*
 321         if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
 322              pMgmt->sBSSList[ii].uClearCount ++;
 323              continue;
 324         }
 325 */
 326         pMgmt->sBSSList[ii].bActive = FALSE;
 327         memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
 328     }
 329     BSSvClearAnyBSSJoinRecord(pDevice);
 330
 331     return;
 332 }
 333
 334
 335
 336 /*+
 337  *
 338  * Routine Description:
 339  *    search BSS list by BSSID & SSID if matched
 340  *
 341  * Return Value:
 342  *    TRUE if found.
 343  *
 344 -*/
 345 PKnownBSS
 346 BSSpAddrIsInBSSList(
 347     IN HANDLE hDeviceContext,
 348     IN PBYTE abyBSSID,
 349     IN PWLAN_IE_SSID pSSID
 350     )
 351 {
 352     PSDevice     pDevice = (PSDevice)hDeviceContext;
 353     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 354     PKnownBSS       pBSSList = NULL;
 355     UINT            ii;
 356
 357     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 358         pBSSList = &(pMgmt->sBSSList[ii]);
 359         if (pBSSList->bActive) {
 360             if (IS_ETH_ADDRESS_EQUAL(pBSSList->abyBSSID, abyBSSID)) {
 361                 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len){
 362                     if (memcmp(pSSID->abySSID,
 363                             ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
 364                             pSSID->len) == 0)
 365                         return pBSSList;
 366                 }
 367             }
 368         }
 369     }
 370
 371     return NULL;
 372 };
 373
 374
 375
 376 /*+
 377  *
 378  * Routine Description:
 379  *    Insert a BSS set into known BSS list
 380  *
 381  * Return Value:
 382  *    TRUE if success.
 383  *
 384 -*/
 385
 386 BOOL
 387 BSSbInsertToBSSList (
 388     IN HANDLE hDeviceContext,
 389     IN PBYTE abyBSSIDAddr,
 390     IN QWORD qwTimestamp,
 391     IN WORD wBeaconInterval,
 392     IN WORD wCapInfo,
 393     IN BYTE byCurrChannel,
 394     IN PWLAN_IE_SSID pSSID,
 395     IN PWLAN_IE_SUPP_RATES pSuppRates,
 396     IN PWLAN_IE_SUPP_RATES pExtSuppRates,
 397     IN PERPObject psERP,
 398     IN PWLAN_IE_RSN pRSN,
 399     IN PWLAN_IE_RSN_EXT pRSNWPA,
 400     IN PWLAN_IE_COUNTRY pIE_Country,
 401     IN PWLAN_IE_QUIET pIE_Quiet,
 402     IN UINT uIELength,
 403     IN PBYTE pbyIEs,
 404     IN HANDLE pRxPacketContext
 405     )
 406 {
 407
 408     PSDevice     pDevice = (PSDevice)hDeviceContext;
 409     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 410     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 411     PKnownBSS       pBSSList = NULL;
 412     UINT            ii;
 413     BOOL            bParsingQuiet = FALSE;
 414
 415
 416
 417     pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
 418
 419     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 420         pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
 421         if (!pBSSList->bActive)
 422                 break;
 423     }
 424
 425     if (ii == MAX_BSS_NUM){
 426         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
 427         return FALSE;
 428     }
 429     // save the BSS info
 430     pBSSList->bActive = TRUE;
 431     memcpy( pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
 432     HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 433     LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 434     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 435     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 436     pBSSList->uClearCount = 0;
 437
 438     if (pSSID->len > WLAN_SSID_MAXLEN)
 439         pSSID->len = WLAN_SSID_MAXLEN;
 440     memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 441
 442     pBSSList->uChannel = byCurrChannel;
 443
 444     if (pSuppRates->len > WLAN_RATES_MAXLEN)
 445         pSuppRates->len = WLAN_RATES_MAXLEN;
 446     memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
 447
 448     if (pExtSuppRates != NULL) {
 449         if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
 450             pExtSuppRates->len = WLAN_RATES_MAXLEN;
 451         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
 452         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
 453
 454     } else {
 455         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 456     }
 457     pBSSList->sERP.byERP = psERP->byERP;
 458     pBSSList->sERP.bERPExist = psERP->bERPExist;
 459
 460     // Check if BSS is 802.11a/b/g
 461     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 462         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 463     } else {
 464         if (pBSSList->sERP.bERPExist == TRUE) {
 465             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 466         } else {
 467             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 468         }
 469     }
 470
 471     pBSSList->byRxRate = pRxPacket->byRxRate;
 472     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 473     pBSSList->uRSSI = pRxPacket->uRSSI;
 474     pBSSList->bySQ = pRxPacket->bySQ;
 475
 476    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 477         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 478         // assoc with BSS
 479         if (pBSSList == pMgmt->pCurrBSS) {
 480             bParsingQuiet = TRUE;
 481         }
 482     }
 483
 484     WPA_ClearRSN(pBSSList);
 485
 486     if (pRSNWPA != NULL) {
 487         UINT uLen = pRSNWPA->len + 2;
 488
 489         if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
 490             pBSSList->wWPALen = uLen;
 491             memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 492             WPA_ParseRSN(pBSSList, pRSNWPA);
 493         }
 494     }
 495
 496     WPA2_ClearRSN(pBSSList);
 497
 498     if (pRSN != NULL) {
 499         UINT uLen = pRSN->len + 2;
 500         if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
 501             pBSSList->wRSNLen = uLen;
 502             memcpy(pBSSList->byRSNIE, pRSN, uLen);
 503             WPA2vParseRSN(pBSSList, pRSN);
 504         }
 505     }
 506
 507     if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
 508
 509         PSKeyItem  pTransmitKey = NULL;
 510         BOOL       bIs802_1x = FALSE;
 511
 512         for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) {
 513             if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
 514                 bIs802_1x = TRUE;
 515                 break;
 516             }
 517         }
 518         if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
 519             ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
 520
 521             bAdd_PMKID_Candidate((HANDLE)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
 522
 523             if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 524                 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
 525                     (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == TRUE)) {
 526                     pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
 527                     pDevice->gsPMKIDCandidate.Version = 1;
 528
 529                 }
 530
 531             }
 532         }
 533     }
 534
 535     if (pDevice->bUpdateBBVGA) {
 536         // Moniter if RSSI is too strong.
 537         pBSSList->byRSSIStatCnt = 0;
 538         RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
 539         pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
 540         pBSSList->ldBmAverRange = pBSSList->ldBmMAX;
 541         for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
 542             pBSSList->ldBmAverage[ii] = 0;
 543     }
 544
 545 /*
 546     if ((pIE_Country != NULL) &&
 547         (pMgmt->b11hEnable == TRUE)) {
 548         CARDvSetCountryInfo(pMgmt->pAdapter,
 549                             pBSSList->eNetworkTypeInUse,
 550                             pIE_Country);
 551     }
 552
 553     if ((bParsingQuiet == TRUE) && (pIE_Quiet != NULL)) {
 554         if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
 555             (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
 556             // valid EID
 557             if (pQuiet == NULL) {
 558                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 559                 CARDbSetQuiet(  pMgmt->pAdapter,
 560                                 TRUE,
 561                                 pQuiet->byQuietCount,
 562                                 pQuiet->byQuietPeriod,
 563                                 *((PWORD)pQuiet->abyQuietDuration),
 564                                 *((PWORD)pQuiet->abyQuietOffset)
 565                                 );
 566             } else {
 567                 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
 568                 CARDbSetQuiet(  pMgmt->pAdapter,
 569                                 FALSE,
 570                                 pQuiet->byQuietCount,
 571                                 pQuiet->byQuietPeriod,
 572                                 *((PWORD)pQuiet->abyQuietDuration),
 573                                 *((PWORD)pQuiet->abyQuietOffset)
 574                                 );
 575             }
 576         }
 577     }
 578
 579     if ((bParsingQuiet == TRUE) &&
 580         (pQuiet != NULL)) {
 581         CARDbStartQuiet(pMgmt->pAdapter);
 582     }
 583 */
 584
 585     pBSSList->uIELength = uIELength;
 586     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 587         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 588     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 589
 590     return TRUE;
 591 }
 592
 593
 594 /*+
 595  *
 596  * Routine Description:
 597  *    Update BSS set in known BSS list
 598  *
 599  * Return Value:
 600  *    TRUE if success.
 601  *
 602 -*/
 603 // TODO: input structure modify
 604
 605 BOOL
 606 BSSbUpdateToBSSList (
 607     IN HANDLE hDeviceContext,
 608     IN QWORD qwTimestamp,
 609     IN WORD wBeaconInterval,
 610     IN WORD wCapInfo,
 611     IN BYTE byCurrChannel,
 612     IN BOOL bChannelHit,
 613     IN PWLAN_IE_SSID pSSID,
 614     IN PWLAN_IE_SUPP_RATES pSuppRates,
 615     IN PWLAN_IE_SUPP_RATES pExtSuppRates,
 616     IN PERPObject psERP,
 617     IN PWLAN_IE_RSN pRSN,
 618     IN PWLAN_IE_RSN_EXT pRSNWPA,
 619     IN PWLAN_IE_COUNTRY pIE_Country,
 620     IN PWLAN_IE_QUIET pIE_Quiet,
 621     IN PKnownBSS pBSSList,
 622     IN UINT uIELength,
 623     IN PBYTE pbyIEs,
 624     IN HANDLE pRxPacketContext
 625     )
 626 {
 627     int             ii, jj;
 628     PSDevice        pDevice = (PSDevice)hDeviceContext;
 629     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 630     PSRxMgmtPacket  pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
 631     LONG            ldBm, ldBmSum;
 632     BOOL            bParsingQuiet = FALSE;
 633   //  BYTE            abyTmpSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 634
 635
 636     if (pBSSList == NULL)
 637         return FALSE;
 638
 639
 640     HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
 641     LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
 642     pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
 643     pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
 644     pBSSList->uClearCount = 0;
 645     pBSSList->uChannel = byCurrChannel;
 646 //    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbUpdateToBSSList: pBSSList->uChannel: %d\n", pBSSList->uChannel);
 647
 648     if (pSSID->len > WLAN_SSID_MAXLEN)
 649         pSSID->len = WLAN_SSID_MAXLEN;
 650
 651     if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
 652         memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
 653     memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN);
 654
 655     if (pExtSuppRates != NULL) {
 656         memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN);
 657     } else {
 658         memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
 659     }
 660     pBSSList->sERP.byERP = psERP->byERP;
 661     pBSSList->sERP.bERPExist = psERP->bERPExist;
 662
 663     // Check if BSS is 802.11a/b/g
 664     if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
 665         pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
 666     } else {
 667         if (pBSSList->sERP.bERPExist == TRUE) {
 668             pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
 669         } else {
 670             pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
 671         }
 672     }
 673
 674     pBSSList->byRxRate = pRxPacket->byRxRate;
 675     pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
 676     if(bChannelHit)
 677         pBSSList->uRSSI = pRxPacket->uRSSI;
 678     pBSSList->bySQ = pRxPacket->bySQ;
 679
 680    if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
 681         (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
 682         // assoc with BSS
 683         if (pBSSList == pMgmt->pCurrBSS) {
 684             bParsingQuiet = TRUE;
 685         }
 686     }
 687
 688    WPA_ClearRSN(pBSSList);         //mike update
 689
 690     if (pRSNWPA != NULL) {
 691         UINT uLen = pRSNWPA->len + 2;
 692         if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
 693             pBSSList->wWPALen = uLen;
 694             memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
 695             WPA_ParseRSN(pBSSList, pRSNWPA);
 696         }
 697     }
 698
 699    WPA2_ClearRSN(pBSSList);  //mike update
 700
 701     if (pRSN != NULL) {
 702         UINT uLen = pRSN->len + 2;
 703         if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
 704             pBSSList->wRSNLen = uLen;
 705             memcpy(pBSSList->byRSNIE, pRSN, uLen);
 706             WPA2vParseRSN(pBSSList, pRSN);
 707         }
 708     }
 709
 710     if (pRxPacket->uRSSI != 0) {
 711         RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm);
 712         // Moniter if RSSI is too strong.
 713         pBSSList->byRSSIStatCnt++;
 714         pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
 715         pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
 716         ldBmSum = 0;
 717         for(ii=0, jj=0;ii<RSSI_STAT_COUNT;ii++) {
 718             if (pBSSList->ldBmAverage[ii] != 0) {
 719                 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
 720                 ldBmSum += pBSSList->ldBmAverage[ii];
 721                 jj++;
 722             }
 723         }
 724         pBSSList->ldBmAverRange = ldBmSum /jj;
 725     }
 726
 727     pBSSList->uIELength = uIELength;
 728     if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
 729         pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
 730     memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
 731
 732 //mike add: if  the AP in this pBSSList is hidden ssid and we can find two of them,
 733 //                  you need upgrade the other related pBSSList of which ssid is obvious,
 734 //                  for these two AP is the same one!!!!
 735 /********judge by:BSSID is the same,but ssid is different!*****************/
 736 #if 0
 737    for (ii = 0; ii < MAX_BSS_NUM; ii++) {
 738       if (IS_ETH_ADDRESS_EQUAL(pMgmt->sBSSList[ii].abyBSSID, pBSSList->abyBSSID)) {   //BSSID is the same!
 739          if (memcmp(((PWLAN_IE_SSID)pMgmt->sBSSList[ii].abySSID)->abySSID,                  //ssid is different??
 740                               ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
 741                               ((PWLAN_IE_SSID)pBSSList->abySSID)->len) != 0) {
 742                   //reserve temp
 743                memset(abyTmpSSID,0,sizeof(abyTmpSSID));
 744               memcpy(abyTmpSSID,pMgmt->sBSSList[ii].abySSID,sizeof(abyTmpSSID));
 745                   //upgrade the other one pBSSList
 746               memcpy(&(pMgmt->sBSSList[ii]),pBSSList,sizeof(KnownBSS));
 747                   //recover ssid info
 748               memcpy(pMgmt->sBSSList[ii].abySSID,abyTmpSSID,sizeof(abyTmpSSID));
 749            }
 750        }
 751     }
 752 #endif
 753
 754     return TRUE;
 755 }
 756
 757
 758
 759
 760
 761 /*+
 762  *
 763  * Routine Description:
 764  *    Search Node DB table to find the index of matched DstAddr
 765  *
 766  * Return Value:
 767  *    None
 768  *
 769 -*/
 770
 771 BOOL
 772 BSSbIsSTAInNodeDB(
 773     IN HANDLE hDeviceContext,
 774     IN PBYTE abyDstAddr,
 775     OUT PUINT puNodeIndex
 776     )
 777 {
 778     PSDevice        pDevice = (PSDevice)hDeviceContext;
 779     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 780     UINT            ii;
 781
 782     // Index = 0 reserved for AP Node
 783     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 784         if (pMgmt->sNodeDBTable[ii].bActive) {
 785             if (IS_ETH_ADDRESS_EQUAL(abyDstAddr, pMgmt->sNodeDBTable[ii].abyMACAddr)) {
 786                 *puNodeIndex = ii;
 787                 return TRUE;
 788             }
 789         }
 790     }
 791
 792    return FALSE;
 793 };
 794
 795
 796
 797 /*+
 798  *
 799  * Routine Description:
 800  *    Find an empty node and allocated; if no empty found,
 801  *    instand used of most inactive one.
 802  *
 803  * Return Value:
 804  *    None
 805  *
 806 -*/
 807 VOID
 808 BSSvCreateOneNode(
 809     IN HANDLE hDeviceContext,
 810     OUT PUINT puNodeIndex
 811     )
 812 {
 813
 814     PSDevice     pDevice = (PSDevice)hDeviceContext;
 815     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 816     UINT            ii;
 817     UINT            BigestCount = 0;
 818     UINT            SelectIndex;
 819     struct sk_buff  *skb;
 820     // Index = 0 reserved for AP Node (In STA mode)
 821     // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
 822     SelectIndex = 1;
 823     for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
 824         if (pMgmt->sNodeDBTable[ii].bActive) {
 825             if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
 826                 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
 827                 SelectIndex = ii;
 828             }
 829         }
 830         else {
 831             break;
 832         }
 833     }
 834
 835     // if not found replace uInActiveCount is largest one.
 836     if ( ii == (MAX_NODE_NUM + 1)) {
 837         *puNodeIndex = SelectIndex;
 838         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
 839         // clear ps buffer
 840         if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
 841             while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
 842             dev_kfree_skb(skb);
 843         }
 844     }
 845     else {
 846         *puNodeIndex = ii;
 847     }
 848
 849     memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
 850     pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE;
 851     pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
 852     // for AP mode PS queue
 853     skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
 854     pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
 855     pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
 856     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
 857     return;
 858 };
 859
 860
 861
 862 /*+
 863  *
 864  * Routine Description:
 865  *    Remove Node by NodeIndex
 866  *
 867  *
 868  * Return Value:
 869  *    None
 870  *
 871 -*/
 872 VOID
 873 BSSvRemoveOneNode(
 874     IN HANDLE hDeviceContext,
 875     IN UINT uNodeIndex
 876     )
 877 {
 878
 879     PSDevice        pDevice = (PSDevice)hDeviceContext;
 880     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 881     BYTE            byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
 882     struct sk_buff  *skb;
 883
 884
 885     while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
 886             dev_kfree_skb(skb);
 887     // clear context
 888     memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
 889     // clear tx bit map
 890     pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &=  ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
 891
 892     return;
 893 };
 894 /*+
 895  *
 896  * Routine Description:
 897  *    Update AP Node content in Index 0 of KnownNodeDB
 898  *
 899  *
 900  * Return Value:
 901  *    None
 902  *
 903 -*/
 904
 905 VOID
 906 BSSvUpdateAPNode(
 907     IN HANDLE hDeviceContext,
 908     IN PWORD pwCapInfo,
 909     IN PWLAN_IE_SUPP_RATES pSuppRates,
 910     IN PWLAN_IE_SUPP_RATES pExtSuppRates
 911     )
 912 {
 913     PSDevice     pDevice = (PSDevice)hDeviceContext;
 914     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 915     UINT            uRateLen = WLAN_RATES_MAXLEN;
 916
 917     memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 918
 919     pMgmt->sNodeDBTable[0].bActive = TRUE;
 920     if (pDevice->byBBType == BB_TYPE_11B) {
 921         uRateLen = WLAN_RATES_MAXLEN_11B;
 922     }
 923     pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
 924                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 925                                             uRateLen);
 926     pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
 927                                             (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 928                                             uRateLen);
 929     RATEvParseMaxRate((PVOID) pDevice,
 930                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 931                        (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 932                        TRUE,
 933                        &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 934                        &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 935                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 936                        &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 937                        &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 938                       );
 939     memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
 940     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
 941     pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
 942     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 943     // Auto rate fallback function initiation.
 944     // RATEbInit(pDevice);
 945     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
 946
 947 };
 948
 949
 950
 951
 952
 953 /*+
 954  *
 955  * Routine Description:
 956  *    Add Multicast Node content in Index 0 of KnownNodeDB
 957  *
 958  *
 959  * Return Value:
 960  *    None
 961  *
 962 -*/
 963
 964
 965 VOID
 966 BSSvAddMulticastNode(
 967     IN HANDLE hDeviceContext
 968     )
 969 {
 970     PSDevice     pDevice = (PSDevice)hDeviceContext;
 971     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
 972
 973     if (!pDevice->bEnableHostWEP)
 974         memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
 975     memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
 976     pMgmt->sNodeDBTable[0].bActive = TRUE;
 977     pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
 978     skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
 979     RATEvParseMaxRate((PVOID) pDevice,
 980                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
 981                       (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
 982                       TRUE,
 983                       &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
 984                       &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
 985                        &(pMgmt->sNodeDBTable[0].wSuppRate),
 986                       &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
 987                       &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
 988                      );
 989     pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
 990     pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
 991
 992 };
 993
 994
 995
 996
 997
 998 /*+
 999  *
1000  * Routine Description:
1001  *
1002  *
1003  *  Second call back function to update Node DB info & AP link status
1004  *
1005  *
1006  * Return Value:
1007  *    none.
1008  *
1009 -*/
1010
1011
1012 VOID
1013 BSSvSecondCallBack(
1014     IN  HANDLE hDeviceContext
1015     )
1016 {
1017     PSDevice        pDevice = (PSDevice)hDeviceContext;
1018     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1019     UINT            ii;
1020     PWLAN_IE_SSID   pItemSSID, pCurrSSID;
1021     UINT            uSleepySTACnt = 0;
1022     UINT            uNonShortSlotSTACnt = 0;
1023     UINT            uLongPreambleSTACnt = 0;
1024     viawget_wpa_header *wpahdr;  //DavidWang
1025
1026     spin_lock_irq(&pDevice->lock);
1027
1028     pDevice->uAssocCount = 0;
1029
1030     //Power Saving Mode Tx Burst
1031     if ( pDevice->bEnablePSMode == TRUE ) {
1032         pDevice->ulPSModeWaitTx++;
1033         if ( pDevice->ulPSModeWaitTx >= 2 ) {
1034             pDevice->ulPSModeWaitTx = 0;
1035             pDevice->bPSModeTxBurst = FALSE;
1036         }
1037     }
1038
1039     pDevice->byERPFlag &=
1040         ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
1041
1042     if (pDevice->wUseProtectCntDown > 0) {
1043         pDevice->wUseProtectCntDown --;
1044     }
1045     else {
1046         // disable protect mode
1047         pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
1048     }
1049
1050 if(pDevice->byReAssocCount > 0) {
1051        pDevice->byReAssocCount++;
1052    if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) {  //10 sec timeout
1053                      printk("Re-association timeout!!!\n");
1054                    pDevice->byReAssocCount = 0;
1055                      #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1056                     // if(pDevice->bWPASuppWextEnabled == TRUE)
1057                         {
1058                         union iwreq_data  wrqu;
1059                         memset(&wrqu, 0, sizeof (wrqu));
1060                           wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1061                         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1062                         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1063                        }
1064                     #endif
1065      }
1066    else if(pDevice->bLinkPass == TRUE)
1067         pDevice->byReAssocCount = 0;
1068 }
1069
1070 #ifdef SndEvt_ToAPI
1071 if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
1072      (pMgmt->eLastState==WMAC_STATE_ASSOC))
1073 {
1074   union iwreq_data      wrqu;
1075   memset(&wrqu, 0, sizeof(wrqu));
1076   wrqu.data.flags = RT_DISCONNECTED_EVENT_FLAG;
1077   wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, NULL);
1078 }
1079  pMgmt->eLastState = pMgmt->eCurrState ;
1080 #endif
1081
1082 #ifdef Calcu_LinkQual
1083    s_uCalculateLinkQual((HANDLE)pDevice);
1084 #endif
1085
1086     for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1087
1088         if (pMgmt->sNodeDBTable[ii].bActive) {
1089             // Increase in-activity counter
1090             pMgmt->sNodeDBTable[ii].uInActiveCount++;
1091
1092             if (ii > 0) {
1093                 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1094                     BSSvRemoveOneNode(pDevice, ii);
1095                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1096                         "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1097                     continue;
1098                 }
1099
1100                 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1101
1102                     pDevice->uAssocCount++;
1103
1104                     // check if Non ERP exist
1105                     if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1106                         if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1107                             pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1108                             uLongPreambleSTACnt ++;
1109                         }
1110                         if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1111                             pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1112                             pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1113                         }
1114                         if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1115                             uNonShortSlotSTACnt++;
1116                     }
1117                 }
1118
1119                 // check if any STA in PS mode
1120                 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1121                     uSleepySTACnt++;
1122
1123
1124             }
1125
1126             // Rate fallback check
1127             if (!pDevice->bFixRate) {
1128 /*
1129                 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (ii == 0))
1130                     RATEvTxRateFallBack(pDevice, &(pMgmt->sNodeDBTable[ii]));
1131 */
1132                 if (ii > 0) {
1133                     // ii = 0 for multicast node (AP & Adhoc)
1134                     RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
1135                 }
1136                 else {
1137                     // ii = 0 reserved for unicast AP node (Infra STA)
1138                     if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1139                         RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
1140                 }
1141
1142             }
1143
1144             // check if pending PS queue
1145             if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1146                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
1147                            ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1148                 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1149                     BSSvRemoveOneNode(pDevice, ii);
1150                     DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
1151                     continue;
1152                 }
1153             }
1154         }
1155
1156     }
1157
1158
1159     if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->byBBType == BB_TYPE_11G)) {
1160
1161         // on/off protect mode
1162         if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1163             if (!pDevice->bProtectMode) {
1164                 MACvEnableProtectMD(pDevice);
1165                 pDevice->bProtectMode = TRUE;
1166             }
1167         }
1168         else {
1169             if (pDevice->bProtectMode) {
1170                 MACvDisableProtectMD(pDevice);
1171                 pDevice->bProtectMode = FALSE;
1172             }
1173         }
1174         // on/off short slot time
1175
1176         if (uNonShortSlotSTACnt > 0) {
1177             if (pDevice->bShortSlotTime) {
1178                 pDevice->bShortSlotTime = FALSE;
1179                 BBvSetShortSlotTime(pDevice);
1180                 vUpdateIFS((PVOID)pDevice);
1181             }
1182         }
1183         else {
1184             if (!pDevice->bShortSlotTime) {
1185                 pDevice->bShortSlotTime = TRUE;
1186                 BBvSetShortSlotTime(pDevice);
1187                 vUpdateIFS((PVOID)pDevice);
1188             }
1189         }
1190
1191         // on/off barker long preamble mode
1192
1193         if (uLongPreambleSTACnt > 0) {
1194             if (!pDevice->bBarkerPreambleMd) {
1195                 MACvEnableBarkerPreambleMd(pDevice);
1196                 pDevice->bBarkerPreambleMd = TRUE;
1197             }
1198         }
1199         else {
1200             if (pDevice->bBarkerPreambleMd) {
1201                 MACvDisableBarkerPreambleMd(pDevice);
1202                 pDevice->bBarkerPreambleMd = FALSE;
1203             }
1204         }
1205
1206     }
1207
1208
1209     // Check if any STA in PS mode, enable DTIM multicast deliver
1210     if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1211         if (uSleepySTACnt > 0)
1212             pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1213         else
1214             pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1215     }
1216
1217     pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1218     pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1219
1220     if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1221         (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1222
1223         if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1224            // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1225
1226             if (pDevice->bUpdateBBVGA) {
1227                // s_vCheckSensitivity((HANDLE) pDevice);
1228                s_vCheckPreEDThreshold((HANDLE)pDevice);
1229             }
1230
1231             if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1232                 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
1233                 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1234                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1235             }
1236
1237                 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1238                 pMgmt->sNodeDBTable[0].bActive = FALSE;
1239                 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1240                 pMgmt->eCurrState = WMAC_STATE_IDLE;
1241                 netif_stop_queue(pDevice->dev);
1242                 pDevice->bLinkPass = FALSE;
1243                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1244                 pDevice->bRoaming = TRUE;
1245                 pDevice->bIsRoaming = FALSE;
1246
1247                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1248         //let wpa supplicant know AP may disconnect.//20080717-01,<Add> by James Li
1249         if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1250              wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1251              wpahdr->type = VIAWGET_DISASSOC_MSG;
1252              wpahdr->resp_ie_len = 0;
1253              wpahdr->req_ie_len = 0;
1254              skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1255              pDevice->skb->dev = pDevice->wpadev;
1256              skb_reset_mac_header(pDevice->skb);
1257              pDevice->skb->pkt_type = PACKET_HOST;
1258              pDevice->skb->protocol = htons(ETH_P_802_2);
1259              memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1260              netif_rx(pDevice->skb);
1261              pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1262          };
1263    #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1264   // if(pDevice->bWPASuppWextEnabled == TRUE)
1265       {
1266         union iwreq_data  wrqu;
1267         memset(&wrqu, 0, sizeof (wrqu));
1268         wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1269         PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1270         wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1271      }
1272   #endif
1273             }
1274         }
1275         else if (pItemSSID->len != 0) {
1276 //Davidwang
1277       if ((pDevice->bEnableRoaming == TRUE)&&(!(pMgmt->Cisco_cckm))) {
1278 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
1279 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming );
1280           if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){
1281                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast   Roaming ...\n");
1282                 BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
1283                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1284                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1285                 pDevice->uAutoReConnectTime = 0;
1286                 pDevice->uIsroamingTime = 0;
1287                 pDevice->bRoaming = FALSE;
1288
1289 //            if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1290              wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1291              wpahdr->type = VIAWGET_CCKM_ROAM_MSG;
1292              wpahdr->resp_ie_len = 0;
1293              wpahdr->req_ie_len = 0;
1294              skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1295              pDevice->skb->dev = pDevice->wpadev;
1296              skb_reset_mac_header(pDevice->skb);
1297              pDevice->skb->pkt_type = PACKET_HOST;
1298              pDevice->skb->protocol = htons(ETH_P_802_2);
1299              memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1300              netif_rx(pDevice->skb);
1301             pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1302
1303 //         }
1304           }
1305       else if ((pDevice->bRoaming == FALSE)&&(pDevice->bIsRoaming == TRUE)) {
1306                             pDevice->uIsroamingTime++;
1307        if (pDevice->uIsroamingTime >= 20)
1308             pDevice->bIsRoaming = FALSE;
1309          }
1310
1311    }
1312 else {
1313             if (pDevice->uAutoReConnectTime < 10) {
1314                 pDevice->uAutoReConnectTime++;
1315                #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1316                 //network manager support need not do Roaming scan???
1317                 if(pDevice->bWPASuppWextEnabled ==TRUE)
1318                  pDevice->uAutoReConnectTime = 0;
1319              #endif
1320             }
1321             else {
1322             //mike use old encryption status for wpa reauthen
1323               if(pDevice->bWPADEVUp)
1324                   pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1325
1326                 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1327                 BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
1328                pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1329                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1330                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1331                 pDevice->uAutoReConnectTime = 0;
1332             }
1333         }
1334     }
1335     }
1336
1337     if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1338         // if adhoc started which essid is NULL string, rescaning.
1339         if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1340             if (pDevice->uAutoReConnectTime < 10) {
1341                 pDevice->uAutoReConnectTime++;
1342             }
1343             else {
1344                 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n");
1345                pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1346                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1347                 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
1348                 pDevice->uAutoReConnectTime = 0;
1349             };
1350         }
1351         if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1352
1353             if (pDevice->bUpdateBBVGA) {
1354                //s_vCheckSensitivity((HANDLE) pDevice);
1355                s_vCheckPreEDThreshold((HANDLE)pDevice);
1356             }
1357                 if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
1358                     DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1359                 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1360                 pMgmt->eCurrState = WMAC_STATE_STARTED;
1361                 netif_stop_queue(pDevice->dev);
1362                 pDevice->bLinkPass = FALSE;
1363                 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1364             }
1365         }
1366     }
1367
1368     if (pDevice->bLinkPass == TRUE) {
1369         if (netif_queue_stopped(pDevice->dev))
1370             netif_wake_queue(pDevice->dev);
1371     }
1372
1373     spin_unlock_irq(&pDevice->lock);
1374
1375     pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1376     add_timer(&pMgmt->sTimerSecondCallback);
1377     return;
1378 }
1379
1380
1381
1382
1383 /*+
1384  *
1385  * Routine Description:
1386  *
1387  *
1388  *  Update Tx attemps, Tx failure counter in Node DB
1389  *
1390  *
1391  * Return Value:
1392  *    none.
1393  *
1394 -*/
1395
1396
1397
1398 VOID
1399 BSSvUpdateNodeTxCounter(
1400     IN HANDLE      hDeviceContext,
1401     IN PSStatCounter    pStatistic,
1402     IN BYTE             byTSR,
1403     IN BYTE             byPktNO
1404     )
1405 {
1406     PSDevice        pDevice = (PSDevice)hDeviceContext;
1407     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1408     UINT            uNodeIndex = 0;
1409     BYTE            byTxRetry;
1410     WORD            wRate;
1411     WORD            wFallBackRate = RATE_1M;
1412     BYTE            byFallBack;
1413     UINT            ii;
1414     PBYTE           pbyDestAddr;
1415     BYTE            byPktNum;
1416     WORD            wFIFOCtl;
1417
1418
1419
1420     byPktNum = (byPktNO & 0x0F) >> 4;
1421     byTxRetry = (byTSR & 0xF0) >> 4;
1422     wRate = (WORD) (byPktNO & 0xF0) >> 4;
1423     wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl;
1424     pbyDestAddr = (PBYTE) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]);
1425
1426     if (wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1427         byFallBack = AUTO_FB_0;
1428     } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1429         byFallBack = AUTO_FB_1;
1430     } else {
1431         byFallBack = AUTO_FB_NONE;
1432     }
1433
1434     // Only Unicast using support rates
1435     if (wFIFOCtl & FIFOCTL_NEEDACK) {
1436         //DBG_PRN_GRP21(("Device %08X, wRate %04X, byTSR %02X\n", hDeviceContext, wRate, byTSR));
1437         if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1438             pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1439             if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1440                 // transmit success, TxAttempts at least plus one
1441                 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1442                 if ( (byFallBack == AUTO_FB_NONE) ||
1443                      (wRate < RATE_18M) ) {
1444                     wFallBackRate = wRate;
1445                 } else if (byFallBack == AUTO_FB_0) {
1446                     if (byTxRetry < 5)
1447                         wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1448                     else
1449                         wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1450                 } else if (byFallBack == AUTO_FB_1) {
1451                     if (byTxRetry < 5)
1452                         wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1453                     else
1454                         wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1455                 }
1456                 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1457             } else {
1458                 pMgmt->sNodeDBTable[0].uTxFailures ++;
1459             }
1460             pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1461             if (byTxRetry != 0) {
1462                 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry;
1463                 if ( (byFallBack == AUTO_FB_NONE) ||
1464                      (wRate < RATE_18M) ) {
1465                     pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry;
1466                 } else if (byFallBack == AUTO_FB_0) {
1467                     for(ii=0;ii<byTxRetry;ii++) {
1468                         if (ii < 5)
1469                             wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1470                         else
1471                             wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1472                         pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1473                     }
1474                 } else if (byFallBack == AUTO_FB_1) {
1475                     for(ii=0;ii<byTxRetry;ii++) {
1476                         if (ii < 5)
1477                             wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1478                         else
1479                             wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1480                         pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1481                     }
1482                 }
1483             }
1484         };
1485
1486         if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1487             (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1488
1489             if (BSSbIsSTAInNodeDB((HANDLE)pDevice, pbyDestAddr, &uNodeIndex)){
1490                 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1491                 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) {
1492                     // transmit success, TxAttempts at least plus one
1493                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1494                     if ( (byFallBack == AUTO_FB_NONE) ||
1495                          (wRate < RATE_18M) ) {
1496                         wFallBackRate = wRate;
1497                     } else if (byFallBack == AUTO_FB_0) {
1498                         if (byTxRetry < 5)
1499                             wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1500                         else
1501                             wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1502                     } else if (byFallBack == AUTO_FB_1) {
1503                         if (byTxRetry < 5)
1504                             wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1505                         else
1506                             wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1507                     }
1508                     pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1509                 } else {
1510                     pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++;
1511                 }
1512                 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1513                 if (byTxRetry != 0) {
1514                     pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry;
1515                     if ( (byFallBack == AUTO_FB_NONE) ||
1516                          (wRate < RATE_18M) ) {
1517                         pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry;
1518                     } else if (byFallBack == AUTO_FB_0) {
1519                         for(ii=0;ii<byTxRetry;ii++) {
1520                             if (ii < 5)
1521                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1522                             else
1523                                 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1524                             pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1525                         }
1526                     } else if (byFallBack == AUTO_FB_1) {
1527                         for(ii=0;ii<byTxRetry;ii++) {
1528                             if (ii < 5)
1529                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1530                             else
1531                                 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1532                             pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1533                         }
1534                     }
1535                 }
1536             };
1537         }
1538     };
1539
1540     return;
1541
1542
1543 }
1544
1545
1546
1547
1548 /*+
1549  *
1550  * Routine Description:
1551  *    Clear Nodes & skb in DB Table
1552  *
1553  *
1554  * Parameters:
1555  *  In:
1556  *      hDeviceContext        - The adapter context.
1557  *      uStartIndex           - starting index
1558  *  Out:
1559  *      none
1560  *
1561  * Return Value:
1562  *    None.
1563  *
1564 -*/
1565
1566
1567 VOID
1568 BSSvClearNodeDBTable(
1569     IN HANDLE hDeviceContext,
1570     IN UINT uStartIndex
1571     )
1572
1573 {
1574     PSDevice     pDevice = (PSDevice)hDeviceContext;
1575     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1576     struct sk_buff  *skb;
1577     UINT            ii;
1578
1579     for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1580         if (pMgmt->sNodeDBTable[ii].bActive) {
1581             // check if sTxPSQueue has been initial
1582             if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1583                 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){
1584                         DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1585                         dev_kfree_skb(skb);
1586                 }
1587             }
1588             memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1589         }
1590     }
1591
1592     return;
1593 };
1594
1595
1596 VOID s_vCheckSensitivity(
1597     IN HANDLE hDeviceContext
1598     )
1599 {
1600     PSDevice        pDevice = (PSDevice)hDeviceContext;
1601     PKnownBSS       pBSSList = NULL;
1602     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1603     int             ii;
1604
1605     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1606         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1607         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1608         if (pBSSList != NULL) {
1609             // Updata BB Reg if RSSI is too strong.
1610             LONG    LocalldBmAverage = 0;
1611             LONG    uNumofdBm = 0;
1612             for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1613                 if (pBSSList->ldBmAverage[ii] != 0) {
1614                     uNumofdBm ++;
1615                     LocalldBmAverage += pBSSList->ldBmAverage[ii];
1616                 }
1617             }
1618             if (uNumofdBm > 0) {
1619                 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1620                 for (ii=0;ii<BB_VGA_LEVEL;ii++) {
1621                     DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1622                     if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1623                             pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1624                         break;
1625                     }
1626                 }
1627                 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1628                     pDevice->uBBVGADiffCount++;
1629                     if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1630                         bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1631                 } else {
1632                     pDevice->uBBVGADiffCount = 0;
1633                 }
1634             }
1635         }
1636     }
1637 }
1638
1639 #ifdef Calcu_LinkQual
1640 VOID s_uCalculateLinkQual(
1641     IN HANDLE hDeviceContext
1642     )
1643 {
1644    PSDevice        pDevice = (PSDevice)hDeviceContext;
1645    ULONG TxOkRatio, TxCnt;
1646    ULONG RxOkRatio,RxCnt;
1647    ULONG RssiRatio;
1648    long ldBm;
1649
1650 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1651               pDevice->scStatistic.TxRetryOkCount +
1652               pDevice->scStatistic.TxFailCount;
1653 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1654               pDevice->scStatistic.RxOkCnt;
1655 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1656 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1657 //decide link quality
1658 if(pDevice->bLinkPass !=TRUE)
1659 {
1660  //  printk("s_uCalculateLinkQual-->Link disconnect and Poor quality**\n");
1661    pDevice->scStatistic.LinkQuality = 0;
1662    pDevice->scStatistic.SignalStren = 0;
1663 }
1664 else
1665 {
1666    RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
1667    if(-ldBm < 50)  {
1668         RssiRatio = 4000;
1669      }
1670    else if(-ldBm > 90) {
1671         RssiRatio = 0;
1672      }
1673    else {
1674         RssiRatio = (40-(-ldBm-50))*4000/40;
1675      }
1676    pDevice->scStatistic.SignalStren = RssiRatio/40;
1677    pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1678 }
1679    pDevice->scStatistic.RxFcsErrCnt = 0;
1680    pDevice->scStatistic.RxOkCnt = 0;
1681    pDevice->scStatistic.TxFailCount = 0;
1682    pDevice->scStatistic.TxNoRetryOkCount = 0;
1683    pDevice->scStatistic.TxRetryOkCount = 0;
1684    return;
1685 }
1686 #endif
1687
1688 VOID
1689 BSSvClearAnyBSSJoinRecord (
1690     IN HANDLE hDeviceContext
1691     )
1692 {
1693     PSDevice        pDevice = (PSDevice)hDeviceContext;
1694     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1695     UINT            ii;
1696
1697     for (ii = 0; ii < MAX_BSS_NUM; ii++) {
1698         pMgmt->sBSSList[ii].bSelected = FALSE;
1699     }
1700     return;
1701 }
1702
1703 VOID s_vCheckPreEDThreshold(
1704     IN HANDLE hDeviceContext
1705     )
1706 {
1707     PSDevice        pDevice = (PSDevice)hDeviceContext;
1708     PKnownBSS       pBSSList = NULL;
1709     PSMgmtObject    pMgmt = &(pDevice->sMgmtObj);
1710
1711     if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1712         ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1713         pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1714         if (pBSSList != NULL) {
1715             pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
1716             BBvUpdatePreEDThreshold(pDevice, FALSE);
1717         }
1718     }
1719     return;
1720 }
1721