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RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / staging / vt6656 / bssdb.c
blob03e85c23e390b957847831a804ff664a3cccc59e
1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: bssdb.c
20 *
21 * Purpose: Handles the Basic Service Set & Node Database functions
22 *
23 * Functions:
24 * BSSpSearchBSSList - Search known BSS list for Desire SSID or BSSID
25 * BSSvClearBSSList - Clear BSS List
26 * BSSbInsertToBSSList - Insert a BSS set into known BSS list
27 * BSSbUpdateToBSSList - Update BSS set in known BSS list
28 * BSSbIsSTAInNodeDB - Search Node DB table to find the index of matched DstAddr
29 * BSSvCreateOneNode - Allocate an Node for Node DB
30 * BSSvUpdateAPNode - Update AP Node content in Index 0 of KnownNodeDB
31 * BSSvSecondCallBack - One second timer callback function to update Node DB info & AP link status
32 * BSSvUpdateNodeTxCounter - Update Tx attemps, Tx failure counter in Node DB for auto-fall back rate control
33 *
34 * Revision History:
35 *
36 * Author: Lyndon Chen
37 *
38 * Date: July 17, 2002
39 *
40 */
41
42 #include "ttype.h"
43 #include "tmacro.h"
44 #include "tether.h"
45 #include "device.h"
46 #include "80211hdr.h"
47 #include "bssdb.h"
48 #include "wmgr.h"
49 #include "datarate.h"
50 #include "desc.h"
51 #include "wcmd.h"
52 #include "wpa.h"
53 #include "baseband.h"
54 #include "rf.h"
55 #include "card.h"
56 #include "mac.h"
57 #include "wpa2.h"
58 #include "control.h"
59 #include "rndis.h"
60 #include "iowpa.h"
61
62 /*--------------------- Static Definitions -------------------------*/
63
64
65
66
67 /*--------------------- Static Classes ----------------------------*/
68
69 /*--------------------- Static Variables --------------------------*/
70 static int msglevel =MSG_LEVEL_INFO;
71 //static int msglevel =MSG_LEVEL_DEBUG;
72
73
74
75 const WORD awHWRetry0[5][5] = {
76 {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
77 {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
78 {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
79 {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
80 {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
81 };
82 const WORD awHWRetry1[5][5] = {
83 {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
84 {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
85 {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
86 {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
87 {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
88 };
89
90
91
92 /*--------------------- Static Functions --------------------------*/
93
94 void s_vCheckSensitivity(void *hDeviceContext);
95 void s_vCheckPreEDThreshold(void *hDeviceContext);
96 void s_uCalculateLinkQual(void *hDeviceContext);
97
98 /*--------------------- Export Variables --------------------------*/
99
100
101 /*--------------------- Export Functions --------------------------*/
102
103
104
105
106
107 /*+
108 *
109 * Routine Description:
110 * Search known BSS list for Desire SSID or BSSID.
111 *
112 * Return Value:
113 * PTR to KnownBSS or NULL
114 *
115 -*/
116
117 PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
118 PBYTE pbyDesireBSSID,
119 PBYTE pbyDesireSSID,
120 CARD_PHY_TYPE ePhyType)
121 {
122 PSDevice pDevice = (PSDevice)hDeviceContext;
123 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
124 PBYTE pbyBSSID = NULL;
125 PWLAN_IE_SSID pSSID = NULL;
126 PKnownBSS pCurrBSS = NULL;
127 PKnownBSS pSelect = NULL;
128 BYTE ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
129 unsigned int ii = 0;
130 unsigned int jj = 0;
131 if (pbyDesireBSSID != NULL) {
132 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"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
258 pDevice->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
287 void 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 -*/
330 PKnownBSS 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
368 BOOL 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
589 BOOL 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
734 BOOL 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 -*/
768 void 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
830 void 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
859 void 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
911 void 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
950 void 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
985 if(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
1005 if((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))) {
1213 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "bRoaming %d, !\n", pDevice->bRoaming );
1214 DBG_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 }
1251 else {
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
1336 void 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
1504 void 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
1528 void 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
1571 void 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
1579 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1580 pDevice->scStatistic.TxRetryOkCount +
1581 pDevice->scStatistic.TxFailCount;
1582 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1583 pDevice->scStatistic.RxOkCnt;
1584 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1585 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1586 //decide link quality
1587 if(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 }
1593 else
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
1616 void 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
1628 void 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 }
Tomato firmware and modifications.