Staging: Add pristine upstream vt6656 driver sources to drivers/staging/vt6656.
[firewire-audio.git] / drivers / staging / vt6656 / bssdb.c
blob563fddc306c688fb9baeada836f51456ee803ae7
1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
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.
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.
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.
19 * File: bssdb.c
21 * Purpose: Handles the Basic Service Set & Node Database functions
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
34 * Revision History:
36 * Author: Lyndon Chen
38 * Date: July 17, 2002
44 #if !defined(__TTYPE_H__)
45 #include "ttype.h"
46 #endif
47 #if !defined(__TMACRO_H__)
48 #include "tmacro.h"
49 #endif
50 #if !defined(__TETHER_H__)
51 #include "tether.h"
52 #endif
53 #if !defined(__DEVICE_H__)
54 #include "device.h"
55 #endif
56 #if !defined(__80211HDR_H__)
57 #include "80211hdr.h"
58 #endif
59 #if !defined(__BSSDB_H__)
60 #include "bssdb.h"
61 #endif
62 #if !defined(__WMGR_H__)
63 #include "wmgr.h"
64 #endif
65 #if !defined(__DATARATE_H__)
66 #include "datarate.h"
67 #endif
68 #if !defined(__DESC_H__)
69 #include "desc.h"
70 #endif
71 #if !defined(__WCMD_H__)
72 #include "wcmd.h"
73 #endif
74 #if !defined(__WPA_H__)
75 #include "wpa.h"
76 #endif
77 #if !defined(__BASEBAND_H__)
78 #include "baseband.h"
79 #endif
80 #if !defined(__RF_H__)
81 #include "rf.h"
82 #endif
83 #if !defined(__CARD_H__)
84 #include "card.h"
85 #endif
86 #if !defined(__MAC_H__)
87 #include "mac.h"
88 #endif
89 #if !defined(__WPA2_H__)
90 #include "wpa2.h"
91 #endif
92 #if !defined(__UMEM_H__)
93 #include "umem.h"
94 #endif
95 #if !defined(__TBIT_H__)
96 #include "tbit.h"
97 #endif
98 #if !defined(__CONTROL_H__)
99 #include "control.h"
100 #endif
101 #if !defined(__RNDIS_H__)
102 #include "rndis.h"
103 #endif
104 //DavidWang
105 #if !defined(__IOWPA_H__)
106 #include "iowpa.h"
107 #endif
109 /*--------------------- Static Definitions -------------------------*/
114 /*--------------------- Static Classes ----------------------------*/
116 /*--------------------- Static Variables --------------------------*/
117 static int msglevel =MSG_LEVEL_INFO;
118 //static int msglevel =MSG_LEVEL_DEBUG;
122 const WORD awHWRetry0[5][5] = {
123 {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
124 {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
125 {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
126 {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
127 {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
129 const WORD awHWRetry1[5][5] = {
130 {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
131 {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
132 {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
133 {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
134 {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
139 /*--------------------- Static Functions --------------------------*/
141 VOID s_vCheckSensitivity(
142 IN HANDLE hDeviceContext
145 VOID s_vCheckPreEDThreshold(
146 IN HANDLE hDeviceContext
149 #ifdef Calcu_LinkQual
150 VOID s_uCalculateLinkQual(
151 IN HANDLE hDeviceContext
153 #endif
154 /*--------------------- Export Variables --------------------------*/
157 /*--------------------- Export Functions --------------------------*/
165 * Routine Description:
166 * Search known BSS list for Desire SSID or BSSID.
168 * Return Value:
169 * PTR to KnownBSS or NULL
173 PKnownBSS
174 BSSpSearchBSSList(
175 IN HANDLE hDeviceContext,
176 IN PBYTE pbyDesireBSSID,
177 IN PBYTE pbyDesireSSID,
178 IN CARD_PHY_TYPE ePhyType
181 PSDevice pDevice = (PSDevice)hDeviceContext;
182 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
183 PBYTE pbyBSSID = NULL;
184 PWLAN_IE_SSID pSSID = NULL;
185 PKnownBSS pCurrBSS = NULL;
186 PKnownBSS pSelect = NULL;
187 BYTE ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
188 UINT ii = 0;
189 UINT jj = 0; //DavidWang
190 if (pbyDesireBSSID != NULL) {
191 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSpSearchBSSList BSSID[%02X %02X %02X-%02X %02X %02X]\n",
192 *pbyDesireBSSID,*(pbyDesireBSSID+1),*(pbyDesireBSSID+2),
193 *(pbyDesireBSSID+3),*(pbyDesireBSSID+4),*(pbyDesireBSSID+5));
194 if ((!IS_BROADCAST_ADDRESS(pbyDesireBSSID)) &&
195 (memcmp(pbyDesireBSSID, ZeroBSSID, 6)!= 0)){
196 pbyBSSID = pbyDesireBSSID;
199 if (pbyDesireSSID != NULL) {
200 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) {
201 pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
205 if ((pbyBSSID != NULL)&&(pDevice->bRoaming == FALSE)) {
206 // match BSSID first
207 for (ii = 0; ii <MAX_BSS_NUM; ii++) {
208 pCurrBSS = &(pMgmt->sBSSList[ii]);
210 //2008-0718-01<Add>by MikeLiu
211 pCurrBSS->bSelected = FALSE;
213 if ((pCurrBSS->bActive) &&
214 (pCurrBSS->bSelected == FALSE)) {
215 if (IS_ETH_ADDRESS_EQUAL(pCurrBSS->abyBSSID, pbyBSSID)) {
216 if (pSSID != NULL) {
217 // compare ssid
218 if (MEMEqualMemory(pSSID->abySSID,
219 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
220 pSSID->len)) {
221 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
222 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
223 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
225 pCurrBSS->bSelected = TRUE;
226 return(pCurrBSS);
229 } else {
230 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
231 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
232 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
234 pCurrBSS->bSelected = TRUE;
235 return(pCurrBSS);
241 } else {
242 // ignore BSSID
243 for (ii = 0; ii <MAX_BSS_NUM; ii++) {
244 pCurrBSS = &(pMgmt->sBSSList[ii]);
246 //2007-0721-01<Mark>by MikeLiu
247 // if ((pCurrBSS->bActive) &&
248 // (pCurrBSS->bSelected == FALSE)) {
250 //2007-0721-01<Add>by MikeLiu
251 pCurrBSS->bSelected = FALSE;
252 if (pCurrBSS->bActive) {
254 if (pSSID != NULL) {
255 // matched SSID
256 if (!MEMEqualMemory(pSSID->abySSID,
257 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
258 pSSID->len) ||
259 (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
260 // SSID not match skip this BSS
261 continue;
264 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
265 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
267 // Type not match skip this BSS
268 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
269 continue;
272 if (ePhyType != PHY_TYPE_AUTO) {
273 if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
274 ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
275 // PhyType not match skip this BSS
276 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
277 continue;
281 if (pMgmt->eAuthenMode < WMAC_AUTH_WPA) {
282 if (pCurrBSS->bWPAValid == TRUE) {
283 // WPA AP will reject connection of station without WPA enable.
284 continue;
286 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
287 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) {
288 if (pCurrBSS->bWPAValid == FALSE) {
289 // station with WPA enable can't join NonWPA AP.
290 continue;
292 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
293 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
294 if (pCurrBSS->bWPA2Valid == FALSE) {
295 // station with WPA2 enable can't join NonWPA2 AP.
296 continue;
300 //DavidWang
301 pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel;
302 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));
303 jj++;
305 //DavidWang
306 if (pSelect == NULL) {
307 pSelect = pCurrBSS;
308 } else {
309 // compare RSSI, select signal strong one
310 if (pCurrBSS->uRSSI < pSelect->uRSSI) {
311 pSelect = pCurrBSS;
316 //DavidWang
317 pDevice->bSameBSSMaxNum = jj;
318 //DavidWang
319 if (pSelect != NULL) {
320 pSelect->bSelected = TRUE;
321 if (pDevice->bRoaming == FALSE) {
322 // Einsn Add @20070907
323 ZERO_MEMORY(pbyDesireSSID, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
324 MEMvCopy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ;
327 return(pSelect);
330 return(NULL);
337 * Routine Description:
338 * Clear BSS List
340 * Return Value:
341 * None.
346 VOID
347 BSSvClearBSSList(
348 IN HANDLE hDeviceContext,
349 IN BOOL bKeepCurrBSSID
352 PSDevice pDevice = (PSDevice)hDeviceContext;
353 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
354 UINT ii;
356 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
357 if (bKeepCurrBSSID) {
358 if (pMgmt->sBSSList[ii].bActive &&
359 IS_ETH_ADDRESS_EQUAL(pMgmt->sBSSList[ii].abyBSSID, pMgmt->abyCurrBSSID)) {
360 //mike mark: there are two same BSSID in list if that AP is in hidden ssid mode,one 's SSID is null,
361 // but other's is obvious, so if it acssociate with your STA exactly,you must keep two
362 // of them!!!!!!!!!
363 // bKeepCurrBSSID = FALSE;
364 continue;
368 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
369 pMgmt->sBSSList[ii].uClearCount ++;
370 continue;
373 pMgmt->sBSSList[ii].bActive = FALSE;
374 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
376 BSSvClearAnyBSSJoinRecord(pDevice);
378 return;
385 * Routine Description:
386 * search BSS list by BSSID & SSID if matched
388 * Return Value:
389 * TRUE if found.
392 PKnownBSS
393 BSSpAddrIsInBSSList(
394 IN HANDLE hDeviceContext,
395 IN PBYTE abyBSSID,
396 IN PWLAN_IE_SSID pSSID
399 PSDevice pDevice = (PSDevice)hDeviceContext;
400 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
401 PKnownBSS pBSSList = NULL;
402 UINT ii;
404 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
405 pBSSList = &(pMgmt->sBSSList[ii]);
406 if (pBSSList->bActive) {
407 if (IS_ETH_ADDRESS_EQUAL(pBSSList->abyBSSID, abyBSSID)) {
408 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len){
409 if (memcmp(pSSID->abySSID,
410 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
411 pSSID->len) == 0)
412 return pBSSList;
418 return NULL;
425 * Routine Description:
426 * Insert a BSS set into known BSS list
428 * Return Value:
429 * TRUE if success.
433 BOOL
434 BSSbInsertToBSSList (
435 IN HANDLE hDeviceContext,
436 IN PBYTE abyBSSIDAddr,
437 IN QWORD qwTimestamp,
438 IN WORD wBeaconInterval,
439 IN WORD wCapInfo,
440 IN BYTE byCurrChannel,
441 IN PWLAN_IE_SSID pSSID,
442 IN PWLAN_IE_SUPP_RATES pSuppRates,
443 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
444 IN PERPObject psERP,
445 IN PWLAN_IE_RSN pRSN,
446 IN PWLAN_IE_RSN_EXT pRSNWPA,
447 IN PWLAN_IE_COUNTRY pIE_Country,
448 IN PWLAN_IE_QUIET pIE_Quiet,
449 IN UINT uIELength,
450 IN PBYTE pbyIEs,
451 IN HANDLE pRxPacketContext
455 PSDevice pDevice = (PSDevice)hDeviceContext;
456 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
457 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
458 PKnownBSS pBSSList = NULL;
459 UINT ii;
460 BOOL bParsingQuiet = FALSE;
464 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
466 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
467 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
468 if (!pBSSList->bActive)
469 break;
472 if (ii == MAX_BSS_NUM){
473 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
474 return FALSE;
476 // save the BSS info
477 pBSSList->bActive = TRUE;
478 memcpy( pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
479 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
480 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
481 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
482 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
483 pBSSList->uClearCount = 0;
485 if (pSSID->len > WLAN_SSID_MAXLEN)
486 pSSID->len = WLAN_SSID_MAXLEN;
487 memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
489 pBSSList->uChannel = byCurrChannel;
491 if (pSuppRates->len > WLAN_RATES_MAXLEN)
492 pSuppRates->len = WLAN_RATES_MAXLEN;
493 memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
495 if (pExtSuppRates != NULL) {
496 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
497 pExtSuppRates->len = WLAN_RATES_MAXLEN;
498 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
499 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
501 } else {
502 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
504 pBSSList->sERP.byERP = psERP->byERP;
505 pBSSList->sERP.bERPExist = psERP->bERPExist;
507 // Check if BSS is 802.11a/b/g
508 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
509 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
510 } else {
511 if (pBSSList->sERP.bERPExist == TRUE) {
512 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
513 } else {
514 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
518 pBSSList->byRxRate = pRxPacket->byRxRate;
519 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
520 pBSSList->uRSSI = pRxPacket->uRSSI;
521 pBSSList->bySQ = pRxPacket->bySQ;
523 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
524 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
525 // assoc with BSS
526 if (pBSSList == pMgmt->pCurrBSS) {
527 bParsingQuiet = TRUE;
531 WPA_ClearRSN(pBSSList);
533 if (pRSNWPA != NULL) {
534 UINT uLen = pRSNWPA->len + 2;
536 if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
537 pBSSList->wWPALen = uLen;
538 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
539 WPA_ParseRSN(pBSSList, pRSNWPA);
543 WPA2_ClearRSN(pBSSList);
545 if (pRSN != NULL) {
546 UINT uLen = pRSN->len + 2;
547 if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
548 pBSSList->wRSNLen = uLen;
549 memcpy(pBSSList->byRSNIE, pRSN, uLen);
550 WPA2vParseRSN(pBSSList, pRSN);
554 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
556 PSKeyItem pTransmitKey = NULL;
557 BOOL bIs802_1x = FALSE;
559 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) {
560 if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
561 bIs802_1x = TRUE;
562 break;
565 if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
566 (MEMEqualMemory(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
568 bAdd_PMKID_Candidate((HANDLE)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
570 if ((pDevice->bLinkPass == TRUE) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
571 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == TRUE) ||
572 (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == TRUE)) {
573 pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
574 pDevice->gsPMKIDCandidate.Version = 1;
582 if (pDevice->bUpdateBBVGA) {
583 // Moniter if RSSI is too strong.
584 pBSSList->byRSSIStatCnt = 0;
585 RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
586 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
587 pBSSList->ldBmAverRange = pBSSList->ldBmMAX;
588 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
589 pBSSList->ldBmAverage[ii] = 0;
593 if ((pIE_Country != NULL) &&
594 (pMgmt->b11hEnable == TRUE)) {
595 CARDvSetCountryInfo(pMgmt->pAdapter,
596 pBSSList->eNetworkTypeInUse,
597 pIE_Country);
600 if ((bParsingQuiet == TRUE) && (pIE_Quiet != NULL)) {
601 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
602 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
603 // valid EID
604 if (pQuiet == NULL) {
605 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
606 CARDbSetQuiet( pMgmt->pAdapter,
607 TRUE,
608 pQuiet->byQuietCount,
609 pQuiet->byQuietPeriod,
610 *((PWORD)pQuiet->abyQuietDuration),
611 *((PWORD)pQuiet->abyQuietOffset)
613 } else {
614 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
615 CARDbSetQuiet( pMgmt->pAdapter,
616 FALSE,
617 pQuiet->byQuietCount,
618 pQuiet->byQuietPeriod,
619 *((PWORD)pQuiet->abyQuietDuration),
620 *((PWORD)pQuiet->abyQuietOffset)
626 if ((bParsingQuiet == TRUE) &&
627 (pQuiet != NULL)) {
628 CARDbStartQuiet(pMgmt->pAdapter);
632 pBSSList->uIELength = uIELength;
633 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
634 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
635 MEMvCopy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
637 return TRUE;
643 * Routine Description:
644 * Update BSS set in known BSS list
646 * Return Value:
647 * TRUE if success.
650 // TODO: input structure modify
652 BOOL
653 BSSbUpdateToBSSList (
654 IN HANDLE hDeviceContext,
655 IN QWORD qwTimestamp,
656 IN WORD wBeaconInterval,
657 IN WORD wCapInfo,
658 IN BYTE byCurrChannel,
659 IN BOOL bChannelHit,
660 IN PWLAN_IE_SSID pSSID,
661 IN PWLAN_IE_SUPP_RATES pSuppRates,
662 IN PWLAN_IE_SUPP_RATES pExtSuppRates,
663 IN PERPObject psERP,
664 IN PWLAN_IE_RSN pRSN,
665 IN PWLAN_IE_RSN_EXT pRSNWPA,
666 IN PWLAN_IE_COUNTRY pIE_Country,
667 IN PWLAN_IE_QUIET pIE_Quiet,
668 IN PKnownBSS pBSSList,
669 IN UINT uIELength,
670 IN PBYTE pbyIEs,
671 IN HANDLE pRxPacketContext
674 int ii, jj;
675 PSDevice pDevice = (PSDevice)hDeviceContext;
676 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
677 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
678 LONG ldBm, ldBmSum;
679 BOOL bParsingQuiet = FALSE;
680 // BYTE abyTmpSSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
683 if (pBSSList == NULL)
684 return FALSE;
687 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
688 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
689 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
690 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
691 pBSSList->uClearCount = 0;
692 pBSSList->uChannel = byCurrChannel;
693 // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbUpdateToBSSList: pBSSList->uChannel: %d\n", pBSSList->uChannel);
695 if (pSSID->len > WLAN_SSID_MAXLEN)
696 pSSID->len = WLAN_SSID_MAXLEN;
698 if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
699 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
700 memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN);
702 if (pExtSuppRates != NULL) {
703 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN);
704 } else {
705 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
707 pBSSList->sERP.byERP = psERP->byERP;
708 pBSSList->sERP.bERPExist = psERP->bERPExist;
710 // Check if BSS is 802.11a/b/g
711 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
712 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
713 } else {
714 if (pBSSList->sERP.bERPExist == TRUE) {
715 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
716 } else {
717 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
721 pBSSList->byRxRate = pRxPacket->byRxRate;
722 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
723 if(bChannelHit)
724 pBSSList->uRSSI = pRxPacket->uRSSI;
725 pBSSList->bySQ = pRxPacket->bySQ;
727 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
728 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
729 // assoc with BSS
730 if (pBSSList == pMgmt->pCurrBSS) {
731 bParsingQuiet = TRUE;
735 WPA_ClearRSN(pBSSList); //mike update
737 if (pRSNWPA != NULL) {
738 UINT uLen = pRSNWPA->len + 2;
739 if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
740 pBSSList->wWPALen = uLen;
741 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
742 WPA_ParseRSN(pBSSList, pRSNWPA);
746 WPA2_ClearRSN(pBSSList); //mike update
748 if (pRSN != NULL) {
749 UINT uLen = pRSN->len + 2;
750 if (uLen <= (uIELength - (UINT)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
751 pBSSList->wRSNLen = uLen;
752 memcpy(pBSSList->byRSNIE, pRSN, uLen);
753 WPA2vParseRSN(pBSSList, pRSN);
757 if (pRxPacket->uRSSI != 0) {
758 RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm);
759 // Moniter if RSSI is too strong.
760 pBSSList->byRSSIStatCnt++;
761 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
762 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
763 ldBmSum = 0;
764 for(ii=0, jj=0;ii<RSSI_STAT_COUNT;ii++) {
765 if (pBSSList->ldBmAverage[ii] != 0) {
766 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
767 ldBmSum += pBSSList->ldBmAverage[ii];
768 jj++;
771 pBSSList->ldBmAverRange = ldBmSum /jj;
774 pBSSList->uIELength = uIELength;
775 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
776 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
777 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
779 //mike add: if the AP in this pBSSList is hidden ssid and we can find two of them,
780 // you need upgrade the other related pBSSList of which ssid is obvious,
781 // for these two AP is the same one!!!!
782 /********judge by:BSSID is the same,but ssid is different!*****************/
783 #if 0
784 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
785 if (IS_ETH_ADDRESS_EQUAL(pMgmt->sBSSList[ii].abyBSSID, pBSSList->abyBSSID)) { //BSSID is the same!
786 if (memcmp(((PWLAN_IE_SSID)pMgmt->sBSSList[ii].abySSID)->abySSID, //ssid is different??
787 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
788 ((PWLAN_IE_SSID)pBSSList->abySSID)->len) != 0) {
789 //reserve temp
790 memset(abyTmpSSID,0,sizeof(abyTmpSSID));
791 memcpy(abyTmpSSID,pMgmt->sBSSList[ii].abySSID,sizeof(abyTmpSSID));
792 //upgrade the other one pBSSList
793 memcpy(&(pMgmt->sBSSList[ii]),pBSSList,sizeof(KnownBSS));
794 //recover ssid info
795 memcpy(pMgmt->sBSSList[ii].abySSID,abyTmpSSID,sizeof(abyTmpSSID));
799 #endif
801 return TRUE;
810 * Routine Description:
811 * Search Node DB table to find the index of matched DstAddr
813 * Return Value:
814 * None
818 BOOL
819 BSSbIsSTAInNodeDB(
820 IN HANDLE hDeviceContext,
821 IN PBYTE abyDstAddr,
822 OUT PUINT puNodeIndex
825 PSDevice pDevice = (PSDevice)hDeviceContext;
826 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
827 UINT ii;
829 // Index = 0 reserved for AP Node
830 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
831 if (pMgmt->sNodeDBTable[ii].bActive) {
832 if (IS_ETH_ADDRESS_EQUAL(abyDstAddr, pMgmt->sNodeDBTable[ii].abyMACAddr)) {
833 *puNodeIndex = ii;
834 return TRUE;
839 return FALSE;
846 * Routine Description:
847 * Find an empty node and allocated; if no empty found,
848 * instand used of most inactive one.
850 * Return Value:
851 * None
854 VOID
855 BSSvCreateOneNode(
856 IN HANDLE hDeviceContext,
857 OUT PUINT puNodeIndex
861 PSDevice pDevice = (PSDevice)hDeviceContext;
862 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
863 UINT ii;
864 UINT BigestCount = 0;
865 UINT SelectIndex;
866 struct sk_buff *skb;
867 // Index = 0 reserved for AP Node (In STA mode)
868 // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
869 SelectIndex = 1;
870 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
871 if (pMgmt->sNodeDBTable[ii].bActive) {
872 if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
873 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
874 SelectIndex = ii;
877 else {
878 break;
882 // if not found replace uInActiveCount is largest one.
883 if ( ii == (MAX_NODE_NUM + 1)) {
884 *puNodeIndex = SelectIndex;
885 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
886 // clear ps buffer
887 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
888 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
889 dev_kfree_skb(skb);
892 else {
893 *puNodeIndex = ii;
896 memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
897 pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE;
898 pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
899 // for AP mode PS queue
900 skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
901 pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
902 pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
903 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
904 return;
911 * Routine Description:
912 * Remove Node by NodeIndex
915 * Return Value:
916 * None
919 VOID
920 BSSvRemoveOneNode(
921 IN HANDLE hDeviceContext,
922 IN UINT uNodeIndex
926 PSDevice pDevice = (PSDevice)hDeviceContext;
927 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
928 BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
929 struct sk_buff *skb;
932 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
933 dev_kfree_skb(skb);
934 // clear context
935 memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
936 // clear tx bit map
937 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
939 return;
943 * Routine Description:
944 * Update AP Node content in Index 0 of KnownNodeDB
947 * Return Value:
948 * None
952 VOID
953 BSSvUpdateAPNode(
954 IN HANDLE hDeviceContext,
955 IN PWORD pwCapInfo,
956 IN PWLAN_IE_SUPP_RATES pSuppRates,
957 IN PWLAN_IE_SUPP_RATES pExtSuppRates
960 PSDevice pDevice = (PSDevice)hDeviceContext;
961 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
962 UINT uRateLen = WLAN_RATES_MAXLEN;
964 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
966 pMgmt->sNodeDBTable[0].bActive = TRUE;
967 if (pDevice->byBBType == BB_TYPE_11B) {
968 uRateLen = WLAN_RATES_MAXLEN_11B;
970 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
971 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
972 uRateLen);
973 pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
974 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
975 uRateLen);
976 RATEvParseMaxRate((PVOID) pDevice,
977 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
978 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
979 TRUE,
980 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
981 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
982 &(pMgmt->sNodeDBTable[0].wSuppRate),
983 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
984 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
986 memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
987 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
988 pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
989 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
990 // Auto rate fallback function initiation.
991 // RATEbInit(pDevice);
992 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
1002 * Routine Description:
1003 * Add Multicast Node content in Index 0 of KnownNodeDB
1006 * Return Value:
1007 * None
1012 VOID
1013 BSSvAddMulticastNode(
1014 IN HANDLE hDeviceContext
1017 PSDevice pDevice = (PSDevice)hDeviceContext;
1018 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1020 if (!pDevice->bEnableHostWEP)
1021 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
1022 memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
1023 pMgmt->sNodeDBTable[0].bActive = TRUE;
1024 pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1025 skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
1026 RATEvParseMaxRate((PVOID) pDevice,
1027 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
1028 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
1029 TRUE,
1030 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
1031 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
1032 &(pMgmt->sNodeDBTable[0].wSuppRate),
1033 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
1034 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
1036 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
1037 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
1047 * Routine Description:
1050 * Second call back function to update Node DB info & AP link status
1053 * Return Value:
1054 * none.
1059 VOID
1060 BSSvSecondCallBack(
1061 IN HANDLE hDeviceContext
1064 PSDevice pDevice = (PSDevice)hDeviceContext;
1065 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1066 UINT ii;
1067 PWLAN_IE_SSID pItemSSID, pCurrSSID;
1068 UINT uSleepySTACnt = 0;
1069 UINT uNonShortSlotSTACnt = 0;
1070 UINT uLongPreambleSTACnt = 0;
1071 viawget_wpa_header *wpahdr; //DavidWang
1073 spin_lock_irq(&pDevice->lock);
1075 pDevice->uAssocCount = 0;
1077 //Power Saving Mode Tx Burst
1078 if ( pDevice->bEnablePSMode == TRUE ) {
1079 pDevice->ulPSModeWaitTx++;
1080 if ( pDevice->ulPSModeWaitTx >= 2 ) {
1081 pDevice->ulPSModeWaitTx = 0;
1082 pDevice->bPSModeTxBurst = FALSE;
1086 pDevice->byERPFlag &=
1087 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
1089 if (pDevice->wUseProtectCntDown > 0) {
1090 pDevice->wUseProtectCntDown --;
1092 else {
1093 // disable protect mode
1094 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
1097 if(pDevice->byReAssocCount > 0) {
1098 pDevice->byReAssocCount++;
1099 if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) { //10 sec timeout
1100 printk("Re-association timeout!!!\n");
1101 pDevice->byReAssocCount = 0;
1102 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1103 // if(pDevice->bWPASuppWextEnabled == TRUE)
1105 union iwreq_data wrqu;
1106 memset(&wrqu, 0, sizeof (wrqu));
1107 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1108 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1109 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1111 #endif
1113 else if(pDevice->bLinkPass == TRUE)
1114 pDevice->byReAssocCount = 0;
1117 #ifdef SndEvt_ToAPI
1118 if((pMgmt->eCurrState!=WMAC_STATE_ASSOC) &&
1119 (pMgmt->eLastState==WMAC_STATE_ASSOC))
1121 union iwreq_data wrqu;
1122 memset(&wrqu, 0, sizeof(wrqu));
1123 wrqu.data.flags = RT_DISCONNECTED_EVENT_FLAG;
1124 wireless_send_event(pDevice->dev, IWEVCUSTOM, &wrqu, NULL);
1126 pMgmt->eLastState = pMgmt->eCurrState ;
1127 #endif
1129 #ifdef Calcu_LinkQual
1130 s_uCalculateLinkQual((HANDLE)pDevice);
1131 #endif
1133 for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1135 if (pMgmt->sNodeDBTable[ii].bActive) {
1136 // Increase in-activity counter
1137 pMgmt->sNodeDBTable[ii].uInActiveCount++;
1139 if (ii > 0) {
1140 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1141 BSSvRemoveOneNode(pDevice, ii);
1142 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1143 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1144 continue;
1147 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1149 pDevice->uAssocCount++;
1151 // check if Non ERP exist
1152 if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1153 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1154 pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1155 uLongPreambleSTACnt ++;
1157 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1158 pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1159 pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1161 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1162 uNonShortSlotSTACnt++;
1166 // check if any STA in PS mode
1167 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1168 uSleepySTACnt++;
1173 // Rate fallback check
1174 if (!pDevice->bFixRate) {
1176 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (ii == 0))
1177 RATEvTxRateFallBack(pDevice, &(pMgmt->sNodeDBTable[ii]));
1179 if (ii > 0) {
1180 // ii = 0 for multicast node (AP & Adhoc)
1181 RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
1183 else {
1184 // ii = 0 reserved for unicast AP node (Infra STA)
1185 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1186 RATEvTxRateFallBack((PVOID)pDevice, &(pMgmt->sNodeDBTable[ii]));
1191 // check if pending PS queue
1192 if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1193 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
1194 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1195 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1196 BSSvRemoveOneNode(pDevice, ii);
1197 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
1198 continue;
1206 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->byBBType == BB_TYPE_11G)) {
1208 // on/off protect mode
1209 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1210 if (!pDevice->bProtectMode) {
1211 MACvEnableProtectMD(pDevice);
1212 pDevice->bProtectMode = TRUE;
1215 else {
1216 if (pDevice->bProtectMode) {
1217 MACvDisableProtectMD(pDevice);
1218 pDevice->bProtectMode = FALSE;
1221 // on/off short slot time
1223 if (uNonShortSlotSTACnt > 0) {
1224 if (pDevice->bShortSlotTime) {
1225 pDevice->bShortSlotTime = FALSE;
1226 BBvSetShortSlotTime(pDevice);
1227 vUpdateIFS((PVOID)pDevice);
1230 else {
1231 if (!pDevice->bShortSlotTime) {
1232 pDevice->bShortSlotTime = TRUE;
1233 BBvSetShortSlotTime(pDevice);
1234 vUpdateIFS((PVOID)pDevice);
1238 // on/off barker long preamble mode
1240 if (uLongPreambleSTACnt > 0) {
1241 if (!pDevice->bBarkerPreambleMd) {
1242 MACvEnableBarkerPreambleMd(pDevice);
1243 pDevice->bBarkerPreambleMd = TRUE;
1246 else {
1247 if (pDevice->bBarkerPreambleMd) {
1248 MACvDisableBarkerPreambleMd(pDevice);
1249 pDevice->bBarkerPreambleMd = FALSE;
1256 // Check if any STA in PS mode, enable DTIM multicast deliver
1257 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1258 if (uSleepySTACnt > 0)
1259 pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1260 else
1261 pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1264 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1265 pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1267 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1268 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1270 if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1271 // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1273 if (pDevice->bUpdateBBVGA) {
1274 // s_vCheckSensitivity((HANDLE) pDevice);
1275 s_vCheckPreEDThreshold((HANDLE)pDevice);
1278 if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1279 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
1280 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1281 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1284 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1285 pMgmt->sNodeDBTable[0].bActive = FALSE;
1286 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1287 pMgmt->eCurrState = WMAC_STATE_IDLE;
1288 netif_stop_queue(pDevice->dev);
1289 pDevice->bLinkPass = FALSE;
1290 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1291 pDevice->bRoaming = TRUE;
1292 pDevice->bIsRoaming = FALSE;
1294 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1295 //let wpa supplicant know AP may disconnect.//20080717-01,<Add> by James Li
1296 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1297 wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1298 wpahdr->type = VIAWGET_DISASSOC_MSG;
1299 wpahdr->resp_ie_len = 0;
1300 wpahdr->req_ie_len = 0;
1301 skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1302 pDevice->skb->dev = pDevice->wpadev;
1303 //2008-4-3 modify by Chester for wpa
1304 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
1305 pDevice->skb->mac_header = pDevice->skb->data;
1306 #else
1307 pDevice->skb->mac.raw = pDevice->skb->data;
1308 #endif
1309 pDevice->skb->pkt_type = PACKET_HOST;
1310 pDevice->skb->protocol = htons(ETH_P_802_2);
1311 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1312 netif_rx(pDevice->skb);
1313 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1315 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1316 // if(pDevice->bWPASuppWextEnabled == TRUE)
1318 union iwreq_data wrqu;
1319 memset(&wrqu, 0, sizeof (wrqu));
1320 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1321 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1322 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1324 #endif
1327 else if (pItemSSID->len != 0) {
1328 //Davidwang
1329 if ((pDevice->bEnableRoaming == TRUE)&&(!(pMgmt->Cisco_cckm))) {
1330 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
1331 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bIsRoaming %d, !\n", pDevice->bIsRoaming );
1332 if ((pDevice->bRoaming == TRUE)&&(pDevice->bIsRoaming == TRUE)){
1333 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Fast Roaming ...\n");
1334 BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
1335 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1336 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1337 pDevice->uAutoReConnectTime = 0;
1338 pDevice->uIsroamingTime = 0;
1339 pDevice->bRoaming = FALSE;
1341 // if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1342 wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1343 wpahdr->type = VIAWGET_CCKM_ROAM_MSG;
1344 wpahdr->resp_ie_len = 0;
1345 wpahdr->req_ie_len = 0;
1346 skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1347 pDevice->skb->dev = pDevice->wpadev;
1348 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
1349 pDevice->skb->mac_header = pDevice->skb->data;
1350 #else
1351 pDevice->skb->mac.raw = pDevice->skb->data;
1352 #endif
1353 pDevice->skb->pkt_type = PACKET_HOST;
1354 pDevice->skb->protocol = htons(ETH_P_802_2);
1355 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1356 netif_rx(pDevice->skb);
1357 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1359 // }
1361 else if ((pDevice->bRoaming == FALSE)&&(pDevice->bIsRoaming == TRUE)) {
1362 pDevice->uIsroamingTime++;
1363 if (pDevice->uIsroamingTime >= 20)
1364 pDevice->bIsRoaming = FALSE;
1368 else {
1369 if (pDevice->uAutoReConnectTime < 10) {
1370 pDevice->uAutoReConnectTime++;
1371 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1372 //network manager support need not do Roaming scan???
1373 if(pDevice->bWPASuppWextEnabled ==TRUE)
1374 pDevice->uAutoReConnectTime = 0;
1375 #endif
1377 else {
1378 //mike use old encryption status for wpa reauthen
1379 if(pDevice->bWPADEVUp)
1380 pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1382 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1383 BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass);
1384 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1385 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1386 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1387 pDevice->uAutoReConnectTime = 0;
1393 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1394 // if adhoc started which essid is NULL string, rescaning.
1395 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1396 if (pDevice->uAutoReConnectTime < 10) {
1397 pDevice->uAutoReConnectTime++;
1399 else {
1400 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n");
1401 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1402 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1403 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL);
1404 pDevice->uAutoReConnectTime = 0;
1407 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1409 if (pDevice->bUpdateBBVGA) {
1410 //s_vCheckSensitivity((HANDLE) pDevice);
1411 s_vCheckPreEDThreshold((HANDLE)pDevice);
1413 if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
1414 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1415 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1416 pMgmt->eCurrState = WMAC_STATE_STARTED;
1417 netif_stop_queue(pDevice->dev);
1418 pDevice->bLinkPass = FALSE;
1419 ControlvMaskByte(pDevice,MESSAGE_REQUEST_MACREG,MAC_REG_PAPEDELAY,LEDSTS_STS,LEDSTS_SLOW);
1424 if (pDevice->bLinkPass == TRUE) {
1425 if (netif_queue_stopped(pDevice->dev))
1426 netif_wake_queue(pDevice->dev);
1429 spin_unlock_irq(&pDevice->lock);
1431 pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1432 add_timer(&pMgmt->sTimerSecondCallback);
1433 return;
1441 * Routine Description:
1444 * Update Tx attemps, Tx failure counter in Node DB
1447 * Return Value:
1448 * none.
1454 VOID
1455 BSSvUpdateNodeTxCounter(
1456 IN HANDLE hDeviceContext,
1457 IN PSStatCounter pStatistic,
1458 IN BYTE byTSR,
1459 IN BYTE byPktNO
1462 PSDevice pDevice = (PSDevice)hDeviceContext;
1463 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1464 UINT uNodeIndex = 0;
1465 BYTE byTxRetry;
1466 WORD wRate;
1467 WORD wFallBackRate = RATE_1M;
1468 BYTE byFallBack;
1469 UINT ii;
1470 PBYTE pbyDestAddr;
1471 BYTE byPktNum;
1472 WORD wFIFOCtl;
1476 byPktNum = (byPktNO & 0x0F) >> 4;
1477 byTxRetry = (byTSR & 0xF0) >> 4;
1478 wRate = (WORD) (byPktNO & 0xF0) >> 4;
1479 wFIFOCtl = pStatistic->abyTxPktInfo[byPktNum].wFIFOCtl;
1480 pbyDestAddr = (PBYTE) &( pStatistic->abyTxPktInfo[byPktNum].abyDestAddr[0]);
1482 if (wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1483 byFallBack = AUTO_FB_0;
1484 } else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1485 byFallBack = AUTO_FB_1;
1486 } else {
1487 byFallBack = AUTO_FB_NONE;
1490 // Only Unicast using support rates
1491 if (wFIFOCtl & FIFOCTL_NEEDACK) {
1492 //DBG_PRN_GRP21(("Device %08X, wRate %04X, byTSR %02X\n", hDeviceContext, wRate, byTSR));
1493 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1494 pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1495 if (BITbIsAllBitsOff(byTSR, (TSR_TMO | TSR_RETRYTMO))) {
1496 // transmit success, TxAttempts at least plus one
1497 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1498 if ( (byFallBack == AUTO_FB_NONE) ||
1499 (wRate < RATE_18M) ) {
1500 wFallBackRate = wRate;
1501 } else if (byFallBack == AUTO_FB_0) {
1502 if (byTxRetry < 5)
1503 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1504 else
1505 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1506 } else if (byFallBack == AUTO_FB_1) {
1507 if (byTxRetry < 5)
1508 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1509 else
1510 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1512 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1513 } else {
1514 pMgmt->sNodeDBTable[0].uTxFailures ++;
1516 pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1517 if (byTxRetry != 0) {
1518 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry;
1519 if ( (byFallBack == AUTO_FB_NONE) ||
1520 (wRate < RATE_18M) ) {
1521 pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry;
1522 } else if (byFallBack == AUTO_FB_0) {
1523 for(ii=0;ii<byTxRetry;ii++) {
1524 if (ii < 5)
1525 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1526 else
1527 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1528 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1530 } else if (byFallBack == AUTO_FB_1) {
1531 for(ii=0;ii<byTxRetry;ii++) {
1532 if (ii < 5)
1533 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1534 else
1535 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1536 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1542 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1543 (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1545 if (BSSbIsSTAInNodeDB((HANDLE)pDevice, pbyDestAddr, &uNodeIndex)){
1546 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1547 if (BITbIsAllBitsOff(byTSR, (TSR_TMO | TSR_RETRYTMO))) {
1548 // transmit success, TxAttempts at least plus one
1549 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1550 if ( (byFallBack == AUTO_FB_NONE) ||
1551 (wRate < RATE_18M) ) {
1552 wFallBackRate = wRate;
1553 } else if (byFallBack == AUTO_FB_0) {
1554 if (byTxRetry < 5)
1555 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1556 else
1557 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1558 } else if (byFallBack == AUTO_FB_1) {
1559 if (byTxRetry < 5)
1560 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1561 else
1562 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1564 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1565 } else {
1566 pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++;
1568 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1569 if (byTxRetry != 0) {
1570 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry;
1571 if ( (byFallBack == AUTO_FB_NONE) ||
1572 (wRate < RATE_18M) ) {
1573 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry;
1574 } else if (byFallBack == AUTO_FB_0) {
1575 for(ii=0;ii<byTxRetry;ii++) {
1576 if (ii < 5)
1577 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1578 else
1579 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1580 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1582 } else if (byFallBack == AUTO_FB_1) {
1583 for(ii=0;ii<byTxRetry;ii++) {
1584 if (ii < 5)
1585 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1586 else
1587 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1588 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1596 return;
1606 * Routine Description:
1607 * Clear Nodes & skb in DB Table
1610 * Parameters:
1611 * In:
1612 * hDeviceContext - The adapter context.
1613 * uStartIndex - starting index
1614 * Out:
1615 * none
1617 * Return Value:
1618 * None.
1623 VOID
1624 BSSvClearNodeDBTable(
1625 IN HANDLE hDeviceContext,
1626 IN UINT uStartIndex
1630 PSDevice pDevice = (PSDevice)hDeviceContext;
1631 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1632 struct sk_buff *skb;
1633 UINT ii;
1635 for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1636 if (pMgmt->sNodeDBTable[ii].bActive) {
1637 // check if sTxPSQueue has been initial
1638 if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1639 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){
1640 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1641 dev_kfree_skb(skb);
1644 memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1648 return;
1652 VOID s_vCheckSensitivity(
1653 IN HANDLE hDeviceContext
1656 PSDevice pDevice = (PSDevice)hDeviceContext;
1657 PKnownBSS pBSSList = NULL;
1658 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1659 int ii;
1661 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1662 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1663 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1664 if (pBSSList != NULL) {
1665 // Updata BB Reg if RSSI is too strong.
1666 LONG LocalldBmAverage = 0;
1667 LONG uNumofdBm = 0;
1668 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1669 if (pBSSList->ldBmAverage[ii] != 0) {
1670 uNumofdBm ++;
1671 LocalldBmAverage += pBSSList->ldBmAverage[ii];
1674 if (uNumofdBm > 0) {
1675 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1676 for (ii=0;ii<BB_VGA_LEVEL;ii++) {
1677 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1678 if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1679 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1680 break;
1683 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1684 pDevice->uBBVGADiffCount++;
1685 if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1686 bScheduleCommand((HANDLE) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1687 } else {
1688 pDevice->uBBVGADiffCount = 0;
1695 #ifdef Calcu_LinkQual
1696 VOID s_uCalculateLinkQual(
1697 IN HANDLE hDeviceContext
1700 PSDevice pDevice = (PSDevice)hDeviceContext;
1701 ULONG TxOkRatio, TxCnt;
1702 ULONG RxOkRatio,RxCnt;
1703 ULONG RssiRatio;
1704 long ldBm;
1706 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1707 pDevice->scStatistic.TxRetryOkCount +
1708 pDevice->scStatistic.TxFailCount;
1709 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1710 pDevice->scStatistic.RxOkCnt;
1711 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1712 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1713 //decide link quality
1714 if(pDevice->bLinkPass !=TRUE)
1716 // printk("s_uCalculateLinkQual-->Link disconnect and Poor quality**\n");
1717 pDevice->scStatistic.LinkQuality = 0;
1718 pDevice->scStatistic.SignalStren = 0;
1720 else
1722 RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
1723 if(-ldBm < 50) {
1724 RssiRatio = 4000;
1726 else if(-ldBm > 90) {
1727 RssiRatio = 0;
1729 else {
1730 RssiRatio = (40-(-ldBm-50))*4000/40;
1732 pDevice->scStatistic.SignalStren = RssiRatio/40;
1733 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1735 pDevice->scStatistic.RxFcsErrCnt = 0;
1736 pDevice->scStatistic.RxOkCnt = 0;
1737 pDevice->scStatistic.TxFailCount = 0;
1738 pDevice->scStatistic.TxNoRetryOkCount = 0;
1739 pDevice->scStatistic.TxRetryOkCount = 0;
1740 return;
1742 #endif
1744 VOID
1745 BSSvClearAnyBSSJoinRecord (
1746 IN HANDLE hDeviceContext
1749 PSDevice pDevice = (PSDevice)hDeviceContext;
1750 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1751 UINT ii;
1753 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
1754 pMgmt->sBSSList[ii].bSelected = FALSE;
1756 return;
1759 VOID s_vCheckPreEDThreshold(
1760 IN HANDLE hDeviceContext
1763 PSDevice pDevice = (PSDevice)hDeviceContext;
1764 PKnownBSS pBSSList = NULL;
1765 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1767 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1768 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1769 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1770 if (pBSSList != NULL) {
1771 pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
1772 BBvUpdatePreEDThreshold(pDevice, FALSE);
1775 return;