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 --------------------------*/ 70static int msglevel =MSG_LEVEL_INFO; 71//static int msglevel =MSG_LEVEL_DEBUG; 72 73 74 75const 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 }; 82const 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 94void s_vCheckSensitivity(void *hDeviceContext); 95void s_vCheckPreEDThreshold(void *hDeviceContext); 96void 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 117PKnownBSS 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"BSSpSearchBSSList BSSID[%02X %02X %02X-%02X %02X %02X]\n", 133 *pbyDesireBSSID,*(pbyDesireBSSID+1),*(pbyDesireBSSID+2), 134 *(pbyDesireBSSID+3),*(pbyDesireBSSID+4),*(pbyDesireBSSID+5)); 135 if ((!is_broadcast_ether_addr(pbyDesireBSSID)) && 136 (memcmp(pbyDesireBSSID, ZeroBSSID, 6)!= 0)){ 137 pbyBSSID = pbyDesireBSSID; 138 } 139 } 140 if (pbyDesireSSID != NULL) { 141 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) { 142 pSSID = (PWLAN_IE_SSID) pbyDesireSSID; 143 } 144 } 145 146 if ((pbyBSSID != NULL)&&(pDevice->bRoaming == FALSE)) { 147 // match BSSID first 148 for (ii = 0; ii <MAX_BSS_NUM; ii++) { 149 pCurrBSS = &(pMgmt->sBSSList[ii]); 150 151 //2008-0718-01<Add>by MikeLiu 152 pCurrBSS->bSelected = FALSE; 153 154 if ((pCurrBSS->bActive) && 155 (pCurrBSS->bSelected == FALSE)) { 156 if (!compare_ether_addr(pCurrBSS->abyBSSID, pbyBSSID)) { 157 if (pSSID != NULL) { 158 // compare ssid 159 if ( !memcmp(pSSID->abySSID, 160 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID, 161 pSSID->len)) { 162 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) || 163 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || 164 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) 165 ) { 166 pCurrBSS->bSelected = TRUE; 167 return(pCurrBSS); 168 } 169 } 170 } else { 171 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) || 172 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || 173 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) 174 ) { 175 pCurrBSS->bSelected = TRUE; 176 return(pCurrBSS); 177 } 178 } 179 } 180 } 181 } 182 } else { 183 // ignore BSSID 184 for (ii = 0; ii <MAX_BSS_NUM; ii++) { 185 pCurrBSS = &(pMgmt->sBSSList[ii]); 186 187 //2007-0721-01<Mark>by MikeLiu 188 // if ((pCurrBSS->bActive) && 189 // (pCurrBSS->bSelected == FALSE)) { 190 191 //2007-0721-01<Add>by MikeLiu 192 pCurrBSS->bSelected = FALSE; 193 if (pCurrBSS->bActive) { 194 195 if (pSSID != NULL) { 196 // matched SSID 197 if (memcmp(pSSID->abySSID, 198 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID, 199 pSSID->len) || 200 (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) { 201 // SSID not match skip this BSS 202 continue; 203 } 204 } 205 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) || 206 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) 207 ){ 208 // Type not match skip this BSS 209 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo); 210 continue; 211 } 212 213 if (ePhyType != PHY_TYPE_AUTO) { 214 if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) || 215 ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) { 216 // PhyType not match skip this BSS 217 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse); 218 continue; 219 } 220 } 221/* 222 if (pMgmt->eAuthenMode < WMAC_AUTH_WPA) { 223 if (pCurrBSS->bWPAValid == TRUE) { 224 // WPA AP will reject connection of station without WPA enable. 225 continue; 226 } 227 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || 228 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) { 229 if (pCurrBSS->bWPAValid == FALSE) { 230 // station with WPA enable can't join NonWPA AP. 231 continue; 232 } 233 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || 234 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { 235 if (pCurrBSS->bWPA2Valid == FALSE) { 236 // station with WPA2 enable can't join NonWPA2 AP. 237 continue; 238 } 239 } 240*/ 241//DavidWang 242 pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel; 243 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)); 244 jj++; 245 246//DavidWang 247 if (pSelect == NULL) { 248 pSelect = pCurrBSS; 249 } else { 250 // compare RSSI, select signal strong one 251 if (pCurrBSS->uRSSI < pSelect->uRSSI) { 252 pSelect = pCurrBSS; 253 } 254 } 255 } 256 } 257//DavidWang 258pDevice->bSameBSSMaxNum = jj; 259//DavidWang 260 if (pSelect != NULL) { 261 pSelect->bSelected = TRUE; 262 if (pDevice->bRoaming == FALSE) { 263 // Einsn Add @20070907 264 memset(pbyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); 265 memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ; 266 } 267 268 return(pSelect); 269 } 270 } 271 return(NULL); 272 273} 274 275 276/*+ 277 * 278 * Routine Description: 279 * Clear BSS List 280 * 281 * Return Value: 282 * None. 283 * 284-*/ 285 286 287void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID) 288{ 289 PSDevice pDevice = (PSDevice)hDeviceContext; 290 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 291 unsigned int ii; 292 293 for (ii = 0; ii < MAX_BSS_NUM; ii++) { 294 if (bKeepCurrBSSID) { 295 if (pMgmt->sBSSList[ii].bActive && 296 !compare_ether_addr(pMgmt->sBSSList[ii].abyBSSID, 297 pMgmt->abyCurrBSSID)) { 298 //mike mark: there are two same BSSID in list if that AP is in hidden ssid mode,one 's SSID is null, 299 // but other's is obvious, so if it acssociate with your STA exactly,you must keep two 300 // of them!!!!!!!!! 301 // bKeepCurrBSSID = FALSE; 302 continue; 303 } 304 } 305/* 306 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) { 307 pMgmt->sBSSList[ii].uClearCount ++; 308 continue; 309 } 310*/ 311 pMgmt->sBSSList[ii].bActive = FALSE; 312 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS)); 313 } 314 BSSvClearAnyBSSJoinRecord(pDevice); 315 316 return; 317} 318 319 320 321/*+ 322 * 323 * Routine Description: 324 * search BSS list by BSSID & SSID if matched 325 * 326 * Return Value: 327 * TRUE if found. 328 * 329-*/ 330PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext, 331 PBYTE abyBSSID, 332 PWLAN_IE_SSID pSSID) 333{ 334 PSDevice pDevice = (PSDevice)hDeviceContext; 335 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 336 PKnownBSS pBSSList = NULL; 337 unsigned int ii; 338 339 for (ii = 0; ii < MAX_BSS_NUM; ii++) { 340 pBSSList = &(pMgmt->sBSSList[ii]); 341 if (pBSSList->bActive) { 342 if (!compare_ether_addr(pBSSList->abyBSSID, abyBSSID)) { 343 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len){ 344 if (memcmp(pSSID->abySSID, 345 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID, 346 pSSID->len) == 0) 347 return pBSSList; 348 } 349 } 350 } 351 } 352 353 return NULL; 354}; 355 356 357 358/*+ 359 * 360 * Routine Description: 361 * Insert a BSS set into known BSS list 362 * 363 * Return Value: 364 * TRUE if success. 365 * 366-*/ 367 368BOOL BSSbInsertToBSSList(void *hDeviceContext, 369 PBYTE abyBSSIDAddr, 370 QWORD qwTimestamp, 371 WORD wBeaconInterval, 372 WORD wCapInfo, 373 BYTE byCurrChannel, 374 PWLAN_IE_SSID pSSID, 375 PWLAN_IE_SUPP_RATES pSuppRates, 376 PWLAN_IE_SUPP_RATES pExtSuppRates, 377 PERPObject psERP, 378 PWLAN_IE_RSN pRSN, 379 PWLAN_IE_RSN_EXT pRSNWPA, 380 PWLAN_IE_COUNTRY pIE_Country, 381 PWLAN_IE_QUIET pIE_Quiet, 382 unsigned int uIELength, 383 PBYTE pbyIEs, 384 void *pRxPacketContext) 385{ 386 387 PSDevice pDevice = (PSDevice)hDeviceContext; 388 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 389 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext; 390 PKnownBSS pBSSList = NULL; 391 unsigned int ii; 392 BOOL bParsingQuiet = FALSE; 393 394 395 396 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]); 397 398 for (ii = 0; ii < MAX_BSS_NUM; ii++) { 399 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]); 400 if (!pBSSList->bActive) 401 break; 402 } 403 404 if (ii == MAX_BSS_NUM){ 405 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n"); 406 return FALSE; 407 } 408 // save the BSS info 409 pBSSList->bActive = TRUE; 410 memcpy( pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN); 411 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp)); 412 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp)); 413 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); 414 pBSSList->wCapInfo = cpu_to_le16(wCapInfo); 415 pBSSList->uClearCount = 0; 416 417 if (pSSID->len > WLAN_SSID_MAXLEN) 418 pSSID->len = WLAN_SSID_MAXLEN; 419 memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); 420 421 pBSSList->uChannel = byCurrChannel; 422 423 if (pSuppRates->len > WLAN_RATES_MAXLEN) 424 pSuppRates->len = WLAN_RATES_MAXLEN; 425 memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN); 426 427 if (pExtSuppRates != NULL) { 428 if (pExtSuppRates->len > WLAN_RATES_MAXLEN) 429 pExtSuppRates->len = WLAN_RATES_MAXLEN; 430 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN); 431 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len); 432 433 } else { 434 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); 435 } 436 pBSSList->sERP.byERP = psERP->byERP; 437 pBSSList->sERP.bERPExist = psERP->bERPExist; 438 439 // Check if BSS is 802.11a/b/g 440 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) { 441 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; 442 } else { 443 if (pBSSList->sERP.bERPExist == TRUE) { 444 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; 445 } else { 446 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; 447 } 448 } 449 450 pBSSList->byRxRate = pRxPacket->byRxRate; 451 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; 452 pBSSList->uRSSI = pRxPacket->uRSSI; 453 pBSSList->bySQ = pRxPacket->bySQ; 454 455 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && 456 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { 457 // assoc with BSS 458 if (pBSSList == pMgmt->pCurrBSS) { 459 bParsingQuiet = TRUE; 460 } 461 } 462 463 WPA_ClearRSN(pBSSList); 464 465 if (pRSNWPA != NULL) { 466 unsigned int uLen = pRSNWPA->len + 2; 467 468 if (uLen <= (uIELength - 469 (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) { 470 pBSSList->wWPALen = uLen; 471 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); 472 WPA_ParseRSN(pBSSList, pRSNWPA); 473 } 474 } 475 476 WPA2_ClearRSN(pBSSList); 477 478 if (pRSN != NULL) { 479 unsigned int uLen = pRSN->len + 2; 480 481 if (uLen <= (uIELength - 482 (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) { 483 pBSSList->wRSNLen = uLen; 484 memcpy(pBSSList->byRSNIE, pRSN, uLen); 485 WPA2vParseRSN(pBSSList, pRSN); 486 } 487 } 488 489 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) { 490 491 PSKeyItem pTransmitKey = NULL; 492 BOOL bIs802_1x = FALSE; 493 494 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) { 495 if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) { 496 bIs802_1x = TRUE; 497 break; 498 } 499 } 500 if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) && 501 ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) { 502 503 bAdd_PMKID_Candidate((void *) pDevice, 504 pBSSList->abyBSSID, 505 &pBSSList->sRSNCapObj); 506 507 if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { 508 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) || 509 (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == TRUE)) { 510 pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList; 511 pDevice->gsPMKIDCandidate.Version = 1; 512 513 } 514 515 } 516 } 517 } 518 519 if (pDevice->bUpdateBBVGA) { 520 // Moniter if RSSI is too strong. 521 pBSSList->byRSSIStatCnt = 0; 522 RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX); 523 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX; 524 pBSSList->ldBmAverRange = pBSSList->ldBmMAX; 525 for (ii = 1; ii < RSSI_STAT_COUNT; ii++) 526 pBSSList->ldBmAverage[ii] = 0; 527 } 528 529/* 530 if ((pIE_Country != NULL) && 531 (pMgmt->b11hEnable == TRUE)) { 532 CARDvSetCountryInfo(pMgmt->pAdapter, 533 pBSSList->eNetworkTypeInUse, 534 pIE_Country); 535 } 536 537 if ((bParsingQuiet == TRUE) && (pIE_Quiet != NULL)) { 538 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) && 539 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) { 540 // valid EID 541 if (pQuiet == NULL) { 542 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; 543 CARDbSetQuiet( pMgmt->pAdapter, 544 TRUE, 545 pQuiet->byQuietCount, 546 pQuiet->byQuietPeriod, 547 *((PWORD)pQuiet->abyQuietDuration), 548 *((PWORD)pQuiet->abyQuietOffset) 549 ); 550 } else { 551 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet; 552 CARDbSetQuiet( pMgmt->pAdapter, 553 FALSE, 554 pQuiet->byQuietCount, 555 pQuiet->byQuietPeriod, 556 *((PWORD)pQuiet->abyQuietDuration), 557 *((PWORD)pQuiet->abyQuietOffset) 558 ); 559 } 560 } 561 } 562 563 if ((bParsingQuiet == TRUE) && 564 (pQuiet != NULL)) { 565 CARDbStartQuiet(pMgmt->pAdapter); 566 } 567*/ 568 569 pBSSList->uIELength = uIELength; 570 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) 571 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; 572 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); 573 574 return TRUE; 575} 576 577 578/*+ 579 * 580 * Routine Description: 581 * Update BSS set in known BSS list 582 * 583 * Return Value: 584 * TRUE if success. 585 * 586-*/ 587// TODO: input structure modify 588 589BOOL BSSbUpdateToBSSList(void *hDeviceContext, 590 QWORD qwTimestamp, 591 WORD wBeaconInterval, 592 WORD wCapInfo, 593 BYTE byCurrChannel, 594 BOOL bChannelHit, 595 PWLAN_IE_SSID pSSID, 596 PWLAN_IE_SUPP_RATES pSuppRates, 597 PWLAN_IE_SUPP_RATES pExtSuppRates, 598 PERPObject psERP, 599 PWLAN_IE_RSN pRSN, 600 PWLAN_IE_RSN_EXT pRSNWPA, 601 PWLAN_IE_COUNTRY pIE_Country, 602 PWLAN_IE_QUIET pIE_Quiet, 603 PKnownBSS pBSSList, 604 unsigned int uIELength, 605 PBYTE pbyIEs, 606 void *pRxPacketContext) 607{ 608 int ii, jj; 609 PSDevice pDevice = (PSDevice)hDeviceContext; 610 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 611 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext; 612 signed long ldBm, ldBmSum; 613 BOOL bParsingQuiet = FALSE; 614 // BYTE abyTmpSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; 615 616 617 if (pBSSList == NULL) 618 return FALSE; 619 620 621 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp)); 622 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp)); 623 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); 624 pBSSList->wCapInfo = cpu_to_le16(wCapInfo); 625 pBSSList->uClearCount = 0; 626 pBSSList->uChannel = byCurrChannel; 627// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbUpdateToBSSList: pBSSList->uChannel: %d\n", pBSSList->uChannel); 628 629 if (pSSID->len > WLAN_SSID_MAXLEN) 630 pSSID->len = WLAN_SSID_MAXLEN; 631 632 if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0)) 633 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); 634 memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN); 635 636 if (pExtSuppRates != NULL) { 637 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN); 638 } else { 639 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); 640 } 641 pBSSList->sERP.byERP = psERP->byERP; 642 pBSSList->sERP.bERPExist = psERP->bERPExist; 643 644 // Check if BSS is 802.11a/b/g 645 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) { 646 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; 647 } else { 648 if (pBSSList->sERP.bERPExist == TRUE) { 649 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; 650 } else { 651 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; 652 } 653 } 654 655 pBSSList->byRxRate = pRxPacket->byRxRate; 656 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; 657 if(bChannelHit) 658 pBSSList->uRSSI = pRxPacket->uRSSI; 659 pBSSList->bySQ = pRxPacket->bySQ; 660 661 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && 662 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { 663 // assoc with BSS 664 if (pBSSList == pMgmt->pCurrBSS) { 665 bParsingQuiet = TRUE; 666 } 667 } 668 669 WPA_ClearRSN(pBSSList); //mike update 670 671 if (pRSNWPA != NULL) { 672 unsigned int uLen = pRSNWPA->len + 2; 673 if (uLen <= (uIELength - 674 (unsigned int) (ULONG_PTR) ((PBYTE) pRSNWPA - pbyIEs))) { 675 pBSSList->wWPALen = uLen; 676 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); 677 WPA_ParseRSN(pBSSList, pRSNWPA); 678 } 679 } 680 681 WPA2_ClearRSN(pBSSList); //mike update 682 683 if (pRSN != NULL) { 684 unsigned int uLen = pRSN->len + 2; 685 if (uLen <= (uIELength - 686 (unsigned int) (ULONG_PTR) ((PBYTE) pRSN - pbyIEs))) { 687 pBSSList->wRSNLen = uLen; 688 memcpy(pBSSList->byRSNIE, pRSN, uLen); 689 WPA2vParseRSN(pBSSList, pRSN); 690 } 691 } 692 693 if (pRxPacket->uRSSI != 0) { 694 RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm); 695 // Moniter if RSSI is too strong. 696 pBSSList->byRSSIStatCnt++; 697 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT; 698 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm; 699 ldBmSum = 0; 700 for (ii = 0, jj = 0; ii < RSSI_STAT_COUNT; ii++) { 701 if (pBSSList->ldBmAverage[ii] != 0) { 702 pBSSList->ldBmMAX = 703 max(pBSSList->ldBmAverage[ii], ldBm); 704 ldBmSum += 705 pBSSList->ldBmAverage[ii]; 706 jj++; 707 } 708 } 709 pBSSList->ldBmAverRange = ldBmSum /jj; 710 } 711 712 pBSSList->uIELength = uIELength; 713 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) 714 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; 715 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); 716 717 return TRUE; 718} 719 720 721 722 723 724/*+ 725 * 726 * Routine Description: 727 * Search Node DB table to find the index of matched DstAddr 728 * 729 * Return Value: 730 * None 731 * 732-*/ 733 734BOOL BSSbIsSTAInNodeDB(void *hDeviceContext, 735 PBYTE abyDstAddr, 736 unsigned int *puNodeIndex) 737{ 738 PSDevice pDevice = (PSDevice)hDeviceContext; 739 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 740 unsigned int ii; 741 742 // Index = 0 reserved for AP Node 743 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { 744 if (pMgmt->sNodeDBTable[ii].bActive) { 745 if (!compare_ether_addr(abyDstAddr, 746 pMgmt->sNodeDBTable[ii].abyMACAddr)) { 747 *puNodeIndex = ii; 748 return TRUE; 749 } 750 } 751 } 752 753 return FALSE; 754}; 755 756 757 758/*+ 759 * 760 * Routine Description: 761 * Find an empty node and allocated; if no empty found, 762 * instand used of most inactive one. 763 * 764 * Return Value: 765 * None 766 * 767-*/ 768void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex) 769{ 770 771 PSDevice pDevice = (PSDevice)hDeviceContext; 772 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 773 unsigned int ii; 774 unsigned int BigestCount = 0; 775 unsigned int SelectIndex; 776 struct sk_buff *skb; 777 // Index = 0 reserved for AP Node (In STA mode) 778 // Index = 0 reserved for Broadcast/MultiCast (In AP mode) 779 SelectIndex = 1; 780 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { 781 if (pMgmt->sNodeDBTable[ii].bActive) { 782 if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) { 783 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount; 784 SelectIndex = ii; 785 } 786 } 787 else { 788 break; 789 } 790 } 791 792 // if not found replace uInActiveCount is largest one. 793 if ( ii == (MAX_NODE_NUM + 1)) { 794 *puNodeIndex = SelectIndex; 795 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Replace inactive node = %d\n", SelectIndex); 796 // clear ps buffer 797 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) { 798 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL) 799 dev_kfree_skb(skb); 800 } 801 } 802 else { 803 *puNodeIndex = ii; 804 } 805 806 memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB)); 807 pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE; 808 pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND; 809 // for AP mode PS queue 810 skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue); 811 pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0; 812 pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0; 813 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii); 814 return; 815}; 816 817 818 819/*+ 820 * 821 * Routine Description: 822 * Remove Node by NodeIndex 823 * 824 * 825 * Return Value: 826 * None 827 * 828-*/ 829 830void BSSvRemoveOneNode(void *hDeviceContext, unsigned int uNodeIndex) 831{ 832 833 PSDevice pDevice = (PSDevice)hDeviceContext; 834 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 835 BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; 836 struct sk_buff *skb; 837 838 839 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL) 840 dev_kfree_skb(skb); 841 // clear context 842 memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB)); 843 // clear tx bit map 844 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7]; 845 846 return; 847}; 848/*+ 849 * 850 * Routine Description: 851 * Update AP Node content in Index 0 of KnownNodeDB 852 * 853 * 854 * Return Value: 855 * None 856 * 857-*/ 858 859void BSSvUpdateAPNode(void *hDeviceContext, 860 PWORD pwCapInfo, 861 PWLAN_IE_SUPP_RATES pSuppRates, 862 PWLAN_IE_SUPP_RATES pExtSuppRates) 863{ 864 PSDevice pDevice = (PSDevice)hDeviceContext; 865 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 866 unsigned int uRateLen = WLAN_RATES_MAXLEN; 867 868 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); 869 870 pMgmt->sNodeDBTable[0].bActive = TRUE; 871 if (pDevice->byBBType == BB_TYPE_11B) { 872 uRateLen = WLAN_RATES_MAXLEN_11B; 873 } 874 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates, 875 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, 876 uRateLen); 877 pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates, 878 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, 879 uRateLen); 880 RATEvParseMaxRate((void *) pDevice, 881 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, 882 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, 883 TRUE, 884 &(pMgmt->sNodeDBTable[0].wMaxBasicRate), 885 &(pMgmt->sNodeDBTable[0].wMaxSuppRate), 886 &(pMgmt->sNodeDBTable[0].wSuppRate), 887 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), 888 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate) 889 ); 890 memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN); 891 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate; 892 pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo); 893 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; 894 // Auto rate fallback function initiation. 895 // RATEbInit(pDevice); 896 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate); 897 898}; 899 900/*+ 901 * 902 * Routine Description: 903 * Add Multicast Node content in Index 0 of KnownNodeDB 904 * 905 * 906 * Return Value: 907 * None 908 * 909-*/ 910 911void BSSvAddMulticastNode(void *hDeviceContext) 912{ 913 PSDevice pDevice = (PSDevice)hDeviceContext; 914 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 915 916 if (!pDevice->bEnableHostWEP) 917 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); 918 memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN); 919 pMgmt->sNodeDBTable[0].bActive = TRUE; 920 pMgmt->sNodeDBTable[0].bPSEnable = FALSE; 921 skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue); 922 RATEvParseMaxRate((void *) pDevice, 923 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates, 924 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates, 925 TRUE, 926 &(pMgmt->sNodeDBTable[0].wMaxBasicRate), 927 &(pMgmt->sNodeDBTable[0].wMaxSuppRate), 928 &(pMgmt->sNodeDBTable[0].wSuppRate), 929 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), 930 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate) 931 ); 932 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate; 933 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; 934 935}; 936 937/*+ 938 * 939 * Routine Description: 940 * 941 * 942 * Second call back function to update Node DB info & AP link status 943 * 944 * 945 * Return Value: 946 * none. 947 * 948-*/ 949 950void BSSvSecondCallBack(void *hDeviceContext) 951{ 952 PSDevice pDevice = (PSDevice)hDeviceContext; 953 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 954 unsigned int ii; 955 PWLAN_IE_SSID pItemSSID, pCurrSSID; 956 unsigned int uSleepySTACnt = 0; 957 unsigned int uNonShortSlotSTACnt = 0; 958 unsigned int uLongPreambleSTACnt = 0; 959 viawget_wpa_header *wpahdr; //DavidWang 960 961 spin_lock_irq(&pDevice->lock); 962 963 pDevice->uAssocCount = 0; 964 965 //Power Saving Mode Tx Burst 966 if ( pDevice->bEnablePSMode == TRUE ) { 967 pDevice->ulPSModeWaitTx++; 968 if ( pDevice->ulPSModeWaitTx >= 2 ) { 969 pDevice->ulPSModeWaitTx = 0; 970 pDevice->bPSModeTxBurst = FALSE; 971 } 972 } 973 974 pDevice->byERPFlag &= 975 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1)); 976 977 if (pDevice->wUseProtectCntDown > 0) { 978 pDevice->wUseProtectCntDown --; 979 } 980 else { 981 // disable protect mode 982 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1)); 983 } 984 985if(pDevice->byReAssocCount > 0) { 986 pDevice->byReAssocCount++; 987 if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) { //10 sec timeout 988 printk("Re-association timeout!!!\n"); 989 pDevice->byReAssocCount = 0; 990 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT 991 // if(pDevice->bWPASuppWextEnabled == TRUE) 992 { 993 union iwreq_data wrqu; 994 memset(&wrqu, 0, sizeof (wrqu)); 995 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 996 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); 997 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); 998 } 999 #endif 1000 } 1001 else if(pDevice->bLinkPass == TRUE) 1002 pDevice->byReAssocCount = 0; 1003} 1004 1005if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) && 1006 (pMgmt->eLastState==WMAC_STATE_ASSOC)) 1007{ 1008 union iwreq_data wrqu; 1009 memset(&wrqu, 0, sizeof(wrqu)); 1010 wrqu.data.flags = RT_DISCONNECTED_EVENT_FLAG; 1011 wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, NULL); 1012} 1013 pMgmt->eLastState = pMgmt->eCurrState ; 1014 1015 s_uCalculateLinkQual((void *)pDevice); 1016 1017 for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) { 1018 1019 if (pMgmt->sNodeDBTable[ii].bActive) { 1020 // Increase in-activity counter 1021 pMgmt->sNodeDBTable[ii].uInActiveCount++; 1022 1023 if (ii > 0) { 1024 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) { 1025 BSSvRemoveOneNode(pDevice, ii); 1026 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO 1027 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii); 1028 continue; 1029 } 1030 1031 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) { 1032 1033 pDevice->uAssocCount++; 1034 1035 // check if Non ERP exist 1036 if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) { 1037 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) { 1038 pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1); 1039 uLongPreambleSTACnt ++; 1040 } 1041 if (!pMgmt->sNodeDBTable[ii].bERPExist) { 1042 pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1); 1043 pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1); 1044 } 1045 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime) 1046 uNonShortSlotSTACnt++; 1047 } 1048 } 1049 1050 // check if any STA in PS mode 1051 if (pMgmt->sNodeDBTable[ii].bPSEnable) 1052 uSleepySTACnt++; 1053 1054 1055 } 1056 1057 // Rate fallback check 1058 if (!pDevice->bFixRate) { 1059/* 1060 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (ii == 0)) 1061 RATEvTxRateFallBack(pDevice, &(pMgmt->sNodeDBTable[ii])); 1062*/ 1063 if (ii > 0) { 1064 // ii = 0 for multicast node (AP & Adhoc) 1065 RATEvTxRateFallBack((void *)pDevice, 1066 &(pMgmt->sNodeDBTable[ii])); 1067 } 1068 else { 1069 // ii = 0 reserved for unicast AP node (Infra STA) 1070 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) 1071 RATEvTxRateFallBack((void *)pDevice, 1072 &(pMgmt->sNodeDBTable[ii])); 1073 } 1074 1075 } 1076 1077 // check if pending PS queue 1078 if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) { 1079 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n", 1080 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt); 1081 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) { 1082 BSSvRemoveOneNode(pDevice, ii); 1083 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii); 1084 continue; 1085 } 1086 } 1087 } 1088 1089 } 1090 1091 1092 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->byBBType == BB_TYPE_11G)) { 1093 1094 // on/off protect mode 1095 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) { 1096 if (!pDevice->bProtectMode) { 1097 MACvEnableProtectMD(pDevice); 1098 pDevice->bProtectMode = TRUE; 1099 } 1100 } 1101 else { 1102 if (pDevice->bProtectMode) { 1103 MACvDisableProtectMD(pDevice); 1104 pDevice->bProtectMode = FALSE; 1105 } 1106 } 1107 // on/off short slot time 1108 1109 if (uNonShortSlotSTACnt > 0) { 1110 if (pDevice->bShortSlotTime) { 1111 pDevice->bShortSlotTime = FALSE; 1112 BBvSetShortSlotTime(pDevice); 1113 vUpdateIFS((void *)pDevice); 1114 } 1115 } 1116 else { 1117 if (!pDevice->bShortSlotTime) { 1118 pDevice->bShortSlotTime = TRUE; 1119 BBvSetShortSlotTime(pDevice); 1120 vUpdateIFS((void *)pDevice); 1121 } 1122 } 1123 1124 // on/off barker long preamble mode 1125 1126 if (uLongPreambleSTACnt > 0) { 1127 if (!pDevice->bBarkerPreambleMd) { 1128 MACvEnableBarkerPreambleMd(pDevice); 1129 pDevice->bBarkerPreambleMd = TRUE; 1130 } 1131 } 1132 else { 1133 if (pDevice->bBarkerPreambleMd) { 1134 MACvDisableBarkerPreambleMd(pDevice); 1135 pDevice->bBarkerPreambleMd = FALSE; 1136 } 1137 } 1138 1139 } 1140 1141 1142 // Check if any STA in PS mode, enable DTIM multicast deliver 1143 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { 1144 if (uSleepySTACnt > 0) 1145 pMgmt->sNodeDBTable[0].bPSEnable = TRUE; 1146 else 1147 pMgmt->sNodeDBTable[0].bPSEnable = FALSE; 1148 } 1149 1150 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; 1151 pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; 1152 1153 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) || 1154 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) { 1155 1156 if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS 1157 // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount); 1158 1159 if (pDevice->bUpdateBBVGA) { 1160 /* s_vCheckSensitivity((void *) pDevice); */ 1161 s_vCheckPreEDThreshold((void *) pDevice); 1162 } 1163 1164 if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) && 1165 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) { 1166 pDevice->byBBVGANew = pDevice->abyBBVGA[0]; 1167 bScheduleCommand((void *) pDevice, 1168 WLAN_CMD_CHANGE_BBSENSITIVITY, 1169 NULL); 1170 } 1171 1172 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) { 1173 pMgmt->sNodeDBTable[0].bActive = FALSE; 1174 pMgmt->eCurrMode = WMAC_MODE_STANDBY; 1175 pMgmt->eCurrState = WMAC_STATE_IDLE; 1176 netif_stop_queue(pDevice->dev); 1177 pDevice->bLinkPass = FALSE; 1178 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); 1179 pDevice->bRoaming = TRUE; 1180 pDevice->bIsRoaming = FALSE; 1181 1182 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount); 1183 //let wpa supplicant know AP may disconnect.//20080717-01,<Add> by James Li 1184 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { 1185 wpahdr = (viawget_wpa_header *)pDevice->skb->data; 1186 wpahdr->type = VIAWGET_DISASSOC_MSG; 1187 wpahdr->resp_ie_len = 0; 1188 wpahdr->req_ie_len = 0; 1189 skb_put(pDevice->skb, sizeof(viawget_wpa_header)); 1190 pDevice->skb->dev = pDevice->wpadev; 1191 skb_reset_mac_header(pDevice->skb); 1192 pDevice->skb->pkt_type = PACKET_HOST; 1193 pDevice->skb->protocol = htons(ETH_P_802_2); 1194 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); 1195 netif_rx(pDevice->skb); 1196 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); 1197 }; 1198 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT 1199 // if(pDevice->bWPASuppWextEnabled == TRUE) 1200 { 1201 union iwreq_data wrqu; 1202 memset(&wrqu, 0, sizeof (wrqu)); 1203 wrqu.ap_addr.sa_family = ARPHRD_ETHER; 1204 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); 1205 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL); 1206 } 1207 #endif 1208 } 1209 } 1210 else if (pItemSSID->len != 0) { 1211//Davidwang 1212 if ((pDevice->bEnableRoaming == TRUE)&&(!(pMgmt->Cisco_cckm))) { 1213DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming ); 1214DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming ); 1215 if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){ 1216 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast Roaming ...\n"); 1217 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass); 1218 bScheduleCommand((void *) pDevice, 1219 WLAN_CMD_BSSID_SCAN, 1220 pMgmt->abyDesireSSID); 1221 bScheduleCommand((void *) pDevice, 1222 WLAN_CMD_SSID, 1223 pMgmt->abyDesireSSID); 1224 pDevice->uAutoReConnectTime = 0; 1225 pDevice->uIsroamingTime = 0; 1226 pDevice->bRoaming = FALSE; 1227 1228// if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { 1229 wpahdr = (viawget_wpa_header *)pDevice->skb->data; 1230 wpahdr->type = VIAWGET_CCKM_ROAM_MSG; 1231 wpahdr->resp_ie_len = 0; 1232 wpahdr->req_ie_len = 0; 1233 skb_put(pDevice->skb, sizeof(viawget_wpa_header)); 1234 pDevice->skb->dev = pDevice->wpadev; 1235 skb_reset_mac_header(pDevice->skb); 1236 pDevice->skb->pkt_type = PACKET_HOST; 1237 pDevice->skb->protocol = htons(ETH_P_802_2); 1238 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); 1239 netif_rx(pDevice->skb); 1240 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); 1241 1242// } 1243 } 1244 else if ((pDevice->bRoaming == FALSE)&&(pDevice->bIsRoaming == TRUE)) { 1245 pDevice->uIsroamingTime++; 1246 if (pDevice->uIsroamingTime >= 20) 1247 pDevice->bIsRoaming = FALSE; 1248 } 1249 1250 } 1251else { 1252 if (pDevice->uAutoReConnectTime < 10) { 1253 pDevice->uAutoReConnectTime++; 1254 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT 1255 //network manager support need not do Roaming scan??? 1256 if(pDevice->bWPASuppWextEnabled ==TRUE) 1257 pDevice->uAutoReConnectTime = 0; 1258 #endif 1259 } 1260 else { 1261 //mike use old encryption status for wpa reauthen 1262 if(pDevice->bWPADEVUp) 1263 pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus; 1264 1265 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n"); 1266 BSSvClearBSSList((void *) pDevice, pDevice->bLinkPass); 1267 pMgmt->eScanType = WMAC_SCAN_ACTIVE; 1268 bScheduleCommand((void *) pDevice, 1269 WLAN_CMD_BSSID_SCAN, 1270 pMgmt->abyDesireSSID); 1271 bScheduleCommand((void *) pDevice, 1272 WLAN_CMD_SSID, 1273 pMgmt->abyDesireSSID); 1274 pDevice->uAutoReConnectTime = 0; 1275 } 1276 } 1277 } 1278 } 1279 1280 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { 1281 // if adhoc started which essid is NULL string, rescaning. 1282 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) { 1283 if (pDevice->uAutoReConnectTime < 10) { 1284 pDevice->uAutoReConnectTime++; 1285 } 1286 else { 1287 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n"); 1288 pMgmt->eScanType = WMAC_SCAN_ACTIVE; 1289 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL); 1290 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL); 1291 pDevice->uAutoReConnectTime = 0; 1292 }; 1293 } 1294 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) { 1295 1296 if (pDevice->bUpdateBBVGA) { 1297 /* s_vCheckSensitivity((void *) pDevice); */ 1298 s_vCheckPreEDThreshold((void *) pDevice); 1299 } 1300 if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) { 1301 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount); 1302 pMgmt->sNodeDBTable[0].uInActiveCount = 0; 1303 pMgmt->eCurrState = WMAC_STATE_STARTED; 1304 netif_stop_queue(pDevice->dev); 1305 pDevice->bLinkPass = FALSE; 1306 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW); 1307 } 1308 } 1309 } 1310 1311 if (pDevice->bLinkPass == TRUE) { 1312 if (netif_queue_stopped(pDevice->dev)) 1313 netif_wake_queue(pDevice->dev); 1314 } 1315 1316 spin_unlock_irq(&pDevice->lock); 1317 1318 pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ); 1319 add_timer(&pMgmt->sTimerSecondCallback); 1320 return; 1321} 1322 1323/*+ 1324 * 1325 * Routine Description: 1326 * 1327 * 1328 * Update Tx attemps, Tx failure counter in Node DB 1329 * 1330 * 1331 * Return Value: 1332 * none. 1333 * 1334-*/ 1335 1336void BSSvUpdateNodeTxCounter(void *hDeviceContext, 1337 PSStatCounter pStatistic, 1338 BYTE byTSR, 1339 BYTE byPktNO) 1340{ 1341 PSDevice pDevice = (PSDevice)hDeviceContext; 1342 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 1343 unsigned int uNodeIndex = 0; 1344 BYTE byTxRetry; 1345 WORD wRate; 1346 WORD wFallBackRate = RATE_1M; 1347 BYTE byFallBack; 1348 unsigned int ii; 1349 PBYTE pbyDestAddr; 1350 BYTE byPktNum; 1351 WORD wFIFOCtl; 1352 1353 byPktNum = (byPktNO & 0x0F) >> 4; 1354 byTxRetry = (byTSR & 0xF0) >> 4; 1355 wRate = (WORD) (byPktNO & 0xF0) >> 4; 1356 wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl; 1357 pbyDestAddr = (PBYTE) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]); 1358 1359 if (wFIFOCtl & FIFOCTL_AUTO_FB_0) { 1360 byFallBack = AUTO_FB_0; 1361 } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) { 1362 byFallBack = AUTO_FB_1; 1363 } else { 1364 byFallBack = AUTO_FB_NONE; 1365 } 1366 1367 // Only Unicast using support rates 1368 if (wFIFOCtl & FIFOCTL_NEEDACK) { 1369 //DBG_PRN_GRP21(("Device %08X, wRate %04X, byTSR %02X\n", hDeviceContext, wRate, byTSR)); 1370 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { 1371 pMgmt->sNodeDBTable[0].uTxAttempts += 1; 1372 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) { 1373 // transmit success, TxAttempts at least plus one 1374 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++; 1375 if ( (byFallBack == AUTO_FB_NONE) || 1376 (wRate < RATE_18M) ) { 1377 wFallBackRate = wRate; 1378 } else if (byFallBack == AUTO_FB_0) { 1379 if (byTxRetry < 5) 1380 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry]; 1381 else 1382 wFallBackRate = awHWRetry0[wRate-RATE_18M][4]; 1383 } else if (byFallBack == AUTO_FB_1) { 1384 if (byTxRetry < 5) 1385 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry]; 1386 else 1387 wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; 1388 } 1389 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++; 1390 } else { 1391 pMgmt->sNodeDBTable[0].uTxFailures ++; 1392 } 1393 pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry; 1394 if (byTxRetry != 0) { 1395 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry; 1396 if ( (byFallBack == AUTO_FB_NONE) || 1397 (wRate < RATE_18M) ) { 1398 pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry; 1399 } else if (byFallBack == AUTO_FB_0) { 1400 for (ii = 0; ii < byTxRetry; ii++) { 1401 if (ii < 5) 1402 wFallBackRate = 1403 awHWRetry0[wRate-RATE_18M][ii]; 1404 else 1405 wFallBackRate = 1406 awHWRetry0[wRate-RATE_18M][4]; 1407 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; 1408 } 1409 } else if (byFallBack == AUTO_FB_1) { 1410 for (ii = 0; ii < byTxRetry; ii++) { 1411 if (ii < 5) 1412 wFallBackRate = 1413 awHWRetry1[wRate-RATE_18M][ii]; 1414 else 1415 wFallBackRate = 1416 awHWRetry1[wRate-RATE_18M][4]; 1417 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; 1418 } 1419 } 1420 } 1421 }; 1422 1423 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) || 1424 (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) { 1425 1426 if (BSSbIsSTAInNodeDB((void *) pDevice, 1427 pbyDestAddr, 1428 &uNodeIndex)) { 1429 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1; 1430 if ( !(byTSR & (TSR_TMO | TSR_RETRYTMO))) { 1431 // transmit success, TxAttempts at least plus one 1432 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++; 1433 if ( (byFallBack == AUTO_FB_NONE) || 1434 (wRate < RATE_18M) ) { 1435 wFallBackRate = wRate; 1436 } else if (byFallBack == AUTO_FB_0) { 1437 if (byTxRetry < 5) 1438 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry]; 1439 else 1440 wFallBackRate = awHWRetry0[wRate-RATE_18M][4]; 1441 } else if (byFallBack == AUTO_FB_1) { 1442 if (byTxRetry < 5) 1443 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry]; 1444 else 1445 wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; 1446 } 1447 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++; 1448 } else { 1449 pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++; 1450 } 1451 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry; 1452 if (byTxRetry != 0) { 1453 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry; 1454 if ( (byFallBack == AUTO_FB_NONE) || 1455 (wRate < RATE_18M) ) { 1456 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry; 1457 } else if (byFallBack == AUTO_FB_0) { 1458 for (ii = 0; ii < byTxRetry; ii++) { 1459 if (ii < 5) 1460 wFallBackRate = 1461 awHWRetry0[wRate-RATE_18M][ii]; 1462 else 1463 wFallBackRate = 1464 awHWRetry0[wRate-RATE_18M][4]; 1465 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; 1466 } 1467 } else if (byFallBack == AUTO_FB_1) { 1468 for (ii = 0; ii < byTxRetry; ii++) { 1469 if (ii < 5) 1470 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii]; 1471 else 1472 wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; 1473 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; 1474 } 1475 } 1476 } 1477 }; 1478 } 1479 }; 1480 1481 return; 1482 1483 1484} 1485 1486/*+ 1487 * 1488 * Routine Description: 1489 * Clear Nodes & skb in DB Table 1490 * 1491 * 1492 * Parameters: 1493 * In: 1494 * hDeviceContext - The adapter context. 1495 * uStartIndex - starting index 1496 * Out: 1497 * none 1498 * 1499 * Return Value: 1500 * None. 1501 * 1502-*/ 1503 1504void BSSvClearNodeDBTable(void *hDeviceContext, 1505 unsigned int uStartIndex) 1506{ 1507 PSDevice pDevice = (PSDevice)hDeviceContext; 1508 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 1509 struct sk_buff *skb; 1510 unsigned int ii; 1511 1512 for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) { 1513 if (pMgmt->sNodeDBTable[ii].bActive) { 1514 // check if sTxPSQueue has been initial 1515 if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) { 1516 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){ 1517 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii); 1518 dev_kfree_skb(skb); 1519 } 1520 } 1521 memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB)); 1522 } 1523 } 1524 1525 return; 1526}; 1527 1528void s_vCheckSensitivity(void *hDeviceContext) 1529{ 1530 PSDevice pDevice = (PSDevice)hDeviceContext; 1531 PKnownBSS pBSSList = NULL; 1532 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 1533 int ii; 1534 1535 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) || 1536 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) { 1537 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID); 1538 if (pBSSList != NULL) { 1539 /* Update BB register if RSSI is too strong */ 1540 signed long LocalldBmAverage = 0; 1541 signed long uNumofdBm = 0; 1542 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) { 1543 if (pBSSList->ldBmAverage[ii] != 0) { 1544 uNumofdBm ++; 1545 LocalldBmAverage += pBSSList->ldBmAverage[ii]; 1546 } 1547 } 1548 if (uNumofdBm > 0) { 1549 LocalldBmAverage = LocalldBmAverage/uNumofdBm; 1550 for (ii=0;ii<BB_VGA_LEVEL;ii++) { 1551 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]); 1552 if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) { 1553 pDevice->byBBVGANew = pDevice->abyBBVGA[ii]; 1554 break; 1555 } 1556 } 1557 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) { 1558 pDevice->uBBVGADiffCount++; 1559 if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) 1560 bScheduleCommand((void *) pDevice, 1561 WLAN_CMD_CHANGE_BBSENSITIVITY, 1562 NULL); 1563 } else { 1564 pDevice->uBBVGADiffCount = 0; 1565 } 1566 } 1567 } 1568 } 1569} 1570 1571void s_uCalculateLinkQual(void *hDeviceContext) 1572{ 1573 PSDevice pDevice = (PSDevice)hDeviceContext; 1574 unsigned long TxOkRatio, TxCnt; 1575 unsigned long RxOkRatio, RxCnt; 1576 unsigned long RssiRatio; 1577 long ldBm; 1578 1579TxCnt = pDevice->scStatistic.TxNoRetryOkCount + 1580 pDevice->scStatistic.TxRetryOkCount + 1581 pDevice->scStatistic.TxFailCount; 1582RxCnt = pDevice->scStatistic.RxFcsErrCnt + 1583 pDevice->scStatistic.RxOkCnt; 1584TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt); 1585RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt); 1586//decide link quality 1587if(pDevice->bLinkPass !=TRUE) 1588{ 1589 // printk("s_uCalculateLinkQual-->Link disconnect and Poor quality**\n"); 1590 pDevice->scStatistic.LinkQuality = 0; 1591 pDevice->scStatistic.SignalStren = 0; 1592} 1593else 1594{ 1595 RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm); 1596 if(-ldBm < 50) { 1597 RssiRatio = 4000; 1598 } 1599 else if(-ldBm > 90) { 1600 RssiRatio = 0; 1601 } 1602 else { 1603 RssiRatio = (40-(-ldBm-50))*4000/40; 1604 } 1605 pDevice->scStatistic.SignalStren = RssiRatio/40; 1606 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100; 1607} 1608 pDevice->scStatistic.RxFcsErrCnt = 0; 1609 pDevice->scStatistic.RxOkCnt = 0; 1610 pDevice->scStatistic.TxFailCount = 0; 1611 pDevice->scStatistic.TxNoRetryOkCount = 0; 1612 pDevice->scStatistic.TxRetryOkCount = 0; 1613 return; 1614} 1615 1616void BSSvClearAnyBSSJoinRecord(void *hDeviceContext) 1617{ 1618 PSDevice pDevice = (PSDevice)hDeviceContext; 1619 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 1620 unsigned int ii; 1621 1622 for (ii = 0; ii < MAX_BSS_NUM; ii++) { 1623 pMgmt->sBSSList[ii].bSelected = FALSE; 1624 } 1625 return; 1626} 1627 1628void s_vCheckPreEDThreshold(void *hDeviceContext) 1629{ 1630 PSDevice pDevice = (PSDevice)hDeviceContext; 1631 PKnownBSS pBSSList = NULL; 1632 PSMgmtObject pMgmt = &(pDevice->sMgmtObj); 1633 1634 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) || 1635 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) { 1636 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID); 1637 if (pBSSList != NULL) { 1638 pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1); 1639 BBvUpdatePreEDThreshold(pDevice, FALSE); 1640 } 1641 } 1642 return; 1643} 1644