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Staging: vt6655: remove custom ULONG typedef
[deliverable/linux.git] / drivers / staging / vt6655 / bssdb.c
1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: bssdb.c
20 *
21 * Purpose: Handles the Basic Service Set & Node Database functions
22 *
23 * Functions:
24 * BSSpSearchBSSList - Search known BSS list for Desire SSID or BSSID
25 * BSSvClearBSSList - Clear BSS List
26 * BSSbInsertToBSSList - Insert a BSS set into known BSS list
27 * BSSbUpdateToBSSList - Update BSS set in known BSS list
28 * BSSDBbIsSTAInNodeDB - 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 "iowpa.h"
59
60 //#define PLICE_DEBUG
61 /*--------------------- Static Definitions -------------------------*/
62
63
64
65
66 /*--------------------- Static Classes ----------------------------*/
67
68 /*--------------------- Static Variables --------------------------*/
69 static int msglevel =MSG_LEVEL_INFO;
70 //static int msglevel =MSG_LEVEL_DEBUG;
71
72
73
74 const WORD awHWRetry0[5][5] = {
75 {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
76 {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
77 {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
78 {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
79 {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
80 };
81 const WORD awHWRetry1[5][5] = {
82 {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
83 {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
84 {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
85 {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
86 {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
87 };
88
89
90
91 /*--------------------- Static Functions --------------------------*/
92
93 void s_vCheckSensitivity(
94 void *hDeviceContext
95 );
96
97 #ifdef Calcu_LinkQual
98 void s_uCalculateLinkQual(
99 void *hDeviceContext
100 );
101 #endif
102
103
104 void s_vCheckPreEDThreshold(
105 void *hDeviceContext
106 );
107 /*--------------------- Export Variables --------------------------*/
108
109
110 /*--------------------- Export Functions --------------------------*/
111
112
113
114
115
116 /*+
117 *
118 * Routine Description:
119 * Search known BSS list for Desire SSID or BSSID.
120 *
121 * Return Value:
122 * PTR to KnownBSS or NULL
123 *
124 -*/
125
126 PKnownBSS
127 BSSpSearchBSSList(
128 void *hDeviceContext,
129 PBYTE pbyDesireBSSID,
130 PBYTE pbyDesireSSID,
131 CARD_PHY_TYPE ePhyType
132 )
133 {
134 PSDevice pDevice = (PSDevice)hDeviceContext;
135 PSMgmtObject pMgmt = pDevice->pMgmt;
136 PBYTE pbyBSSID = NULL;
137 PWLAN_IE_SSID pSSID = NULL;
138 PKnownBSS pCurrBSS = NULL;
139 PKnownBSS pSelect = NULL;
140 BYTE ZeroBSSID[WLAN_BSSID_LEN]={0x00,0x00,0x00,0x00,0x00,0x00};
141 unsigned int ii = 0;
142
143 if (pbyDesireBSSID != NULL) {
144 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSpSearchBSSList BSSID[%02X %02X %02X-%02X %02X %02X]\n",
145 *pbyDesireBSSID,*(pbyDesireBSSID+1),*(pbyDesireBSSID+2),
146 *(pbyDesireBSSID+3),*(pbyDesireBSSID+4),*(pbyDesireBSSID+5));
147 if ((!is_broadcast_ether_addr(pbyDesireBSSID)) &&
148 (memcmp(pbyDesireBSSID, ZeroBSSID, 6)!= 0)){
149 pbyBSSID = pbyDesireBSSID;
150 }
151 }
152 if (pbyDesireSSID != NULL) {
153 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) {
154 pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
155 }
156 }
157
158 if (pbyBSSID != NULL) {
159 // match BSSID first
160 for (ii = 0; ii <MAX_BSS_NUM; ii++) {
161 pCurrBSS = &(pMgmt->sBSSList[ii]);
162 if(pDevice->bLinkPass==FALSE) pCurrBSS->bSelected = FALSE;
163 if ((pCurrBSS->bActive) &&
164 (pCurrBSS->bSelected == FALSE)) {
165 if (!compare_ether_addr(pCurrBSS->abyBSSID, pbyBSSID)) {
166 if (pSSID != NULL) {
167 // compare ssid
168 if ( !memcmp(pSSID->abySSID,
169 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
170 pSSID->len)) {
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 } else {
180 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
181 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
182 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
183 ) {
184 pCurrBSS->bSelected = TRUE;
185 return(pCurrBSS);
186 }
187 }
188 }
189 }
190 }
191 } else {
192 // ignore BSSID
193 for (ii = 0; ii <MAX_BSS_NUM; ii++) {
194 pCurrBSS = &(pMgmt->sBSSList[ii]);
195 //2007-0721-01<Add>by MikeLiu
196 pCurrBSS->bSelected = FALSE;
197 if (pCurrBSS->bActive) {
198
199 if (pSSID != NULL) {
200 // matched SSID
201 if (! !memcmp(pSSID->abySSID,
202 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
203 pSSID->len) ||
204 (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
205 // SSID not match skip this BSS
206 continue;
207 }
208 }
209 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
210 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
211 ){
212 // Type not match skip this BSS
213 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
214 continue;
215 }
216
217 if (ePhyType != PHY_TYPE_AUTO) {
218 if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
219 ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
220 // PhyType not match skip this BSS
221 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
222 continue;
223 }
224 }
225 /*
226 if (pMgmt->eAuthenMode < WMAC_AUTH_WPA) {
227 if (pCurrBSS->bWPAValid == TRUE) {
228 // WPA AP will reject connection of station without WPA enable.
229 continue;
230 }
231 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
232 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) {
233 if (pCurrBSS->bWPAValid == FALSE) {
234 // station with WPA enable can't join NonWPA AP.
235 continue;
236 }
237 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
238 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
239 if (pCurrBSS->bWPA2Valid == FALSE) {
240 // station with WPA2 enable can't join NonWPA2 AP.
241 continue;
242 }
243 }
244 */
245 if (pSelect == NULL) {
246 pSelect = pCurrBSS;
247 } else {
248 // compare RSSI, select signal strong one
249 if (pCurrBSS->uRSSI < pSelect->uRSSI) {
250 pSelect = pCurrBSS;
251 }
252 }
253 }
254 }
255 if (pSelect != NULL) {
256 pSelect->bSelected = TRUE;
257 /*
258 if (pDevice->bRoaming == FALSE) {
259 // Einsn Add @20070907
260 memset(pbyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
261 memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1) ;
262 }*/
263
264 return(pSelect);
265 }
266 }
267 return(NULL);
268
269 }
270
271
272 /*+
273 *
274 * Routine Description:
275 * Clear BSS List
276 *
277 * Return Value:
278 * None.
279 *
280 -*/
281
282
283 void
284 BSSvClearBSSList(
285 void *hDeviceContext,
286 BOOL bKeepCurrBSSID
287 )
288 {
289 PSDevice pDevice = (PSDevice)hDeviceContext;
290 PSMgmtObject pMgmt = pDevice->pMgmt;
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, pMgmt->abyCurrBSSID)) {
297 // bKeepCurrBSSID = FALSE;
298 continue;
299 }
300 }
301
302 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
303 pMgmt->sBSSList[ii].uClearCount ++;
304 continue;
305 }
306
307 pMgmt->sBSSList[ii].bActive = FALSE;
308 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
309 }
310 BSSvClearAnyBSSJoinRecord(pDevice);
311
312 return;
313 }
314
315
316
317 /*+
318 *
319 * Routine Description:
320 * search BSS list by BSSID & SSID if matched
321 *
322 * Return Value:
323 * TRUE if found.
324 *
325 -*/
326 PKnownBSS
327 BSSpAddrIsInBSSList(
328 void *hDeviceContext,
329 PBYTE abyBSSID,
330 PWLAN_IE_SSID pSSID
331 )
332 {
333 PSDevice pDevice = (PSDevice)hDeviceContext;
334 PSMgmtObject pMgmt = pDevice->pMgmt;
335 PKnownBSS pBSSList = NULL;
336 unsigned int ii;
337
338 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
339 pBSSList = &(pMgmt->sBSSList[ii]);
340 if (pBSSList->bActive) {
341 if (!compare_ether_addr(pBSSList->abyBSSID, abyBSSID)) {
342 // if (pSSID == NULL)
343 // return pBSSList;
344 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len){
345 if (memcmp(pSSID->abySSID,
346 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
347 pSSID->len) == 0)
348 return pBSSList;
349 }
350 }
351 }
352 }
353
354 return NULL;
355 };
356
357
358
359 /*+
360 *
361 * Routine Description:
362 * Insert a BSS set into known BSS list
363 *
364 * Return Value:
365 * TRUE if success.
366 *
367 -*/
368
369 BOOL
370 BSSbInsertToBSSList (
371 void *hDeviceContext,
372 PBYTE abyBSSIDAddr,
373 QWORD qwTimestamp,
374 WORD wBeaconInterval,
375 WORD wCapInfo,
376 BYTE byCurrChannel,
377 PWLAN_IE_SSID pSSID,
378 PWLAN_IE_SUPP_RATES pSuppRates,
379 PWLAN_IE_SUPP_RATES pExtSuppRates,
380 PERPObject psERP,
381 PWLAN_IE_RSN pRSN,
382 PWLAN_IE_RSN_EXT pRSNWPA,
383 PWLAN_IE_COUNTRY pIE_Country,
384 PWLAN_IE_QUIET pIE_Quiet,
385 unsigned int uIELength,
386 PBYTE pbyIEs,
387 void *pRxPacketContext
388 )
389 {
390
391 PSDevice pDevice = (PSDevice)hDeviceContext;
392 PSMgmtObject pMgmt = pDevice->pMgmt;
393 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
394 PKnownBSS pBSSList = NULL;
395 unsigned int ii;
396 BOOL bParsingQuiet = FALSE;
397 PWLAN_IE_QUIET pQuiet = NULL;
398
399
400
401 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
402
403 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
404 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
405 if (!pBSSList->bActive)
406 break;
407 }
408
409 if (ii == MAX_BSS_NUM){
410 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
411 return FALSE;
412 }
413 // save the BSS info
414 pBSSList->bActive = TRUE;
415 memcpy( pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
416 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
417 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
418 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
419 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
420 pBSSList->uClearCount = 0;
421
422 if (pSSID->len > WLAN_SSID_MAXLEN)
423 pSSID->len = WLAN_SSID_MAXLEN;
424 memcpy( pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
425
426 pBSSList->uChannel = byCurrChannel;
427
428 if (pSuppRates->len > WLAN_RATES_MAXLEN)
429 pSuppRates->len = WLAN_RATES_MAXLEN;
430 memcpy( pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
431
432 if (pExtSuppRates != NULL) {
433 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
434 pExtSuppRates->len = WLAN_RATES_MAXLEN;
435 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
436 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
437
438 } else {
439 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
440 }
441 pBSSList->sERP.byERP = psERP->byERP;
442 pBSSList->sERP.bERPExist = psERP->bERPExist;
443
444 // Check if BSS is 802.11a/b/g
445 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
446 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
447 } else {
448 if (pBSSList->sERP.bERPExist == TRUE) {
449 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
450 } else {
451 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
452 }
453 }
454
455 pBSSList->byRxRate = pRxPacket->byRxRate;
456 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
457 pBSSList->uRSSI = pRxPacket->uRSSI;
458 pBSSList->bySQ = pRxPacket->bySQ;
459
460 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
461 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
462 // assoc with BSS
463 if (pBSSList == pMgmt->pCurrBSS) {
464 bParsingQuiet = TRUE;
465 }
466 }
467
468 WPA_ClearRSN(pBSSList);
469
470 if (pRSNWPA != NULL) {
471 unsigned int uLen = pRSNWPA->len + 2;
472
473 if (uLen <= (uIELength - (unsigned int)(ULONG_PTR)((PBYTE)pRSNWPA - pbyIEs))) {
474 pBSSList->wWPALen = uLen;
475 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
476 WPA_ParseRSN(pBSSList, pRSNWPA);
477 }
478 }
479
480 WPA2_ClearRSN(pBSSList);
481
482 if (pRSN != NULL) {
483 unsigned int uLen = pRSN->len + 2;
484 if (uLen <= (uIELength - (unsigned int)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
485 pBSSList->wRSNLen = uLen;
486 memcpy(pBSSList->byRSNIE, pRSN, uLen);
487 WPA2vParseRSN(pBSSList, pRSN);
488 }
489 }
490
491 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == TRUE)) {
492
493 PSKeyItem pTransmitKey = NULL;
494 BOOL bIs802_1x = FALSE;
495
496 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii ++) {
497 if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
498 bIs802_1x = TRUE;
499 break;
500 }
501 }
502 if ((bIs802_1x == TRUE) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
503 ( !memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
504
505 bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &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 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
525 pBSSList->ldBmAverage[ii] = 0;
526 }
527
528 if ((pIE_Country != NULL) &&
529 (pMgmt->b11hEnable == TRUE)) {
530 CARDvSetCountryInfo(pMgmt->pAdapter,
531 pBSSList->eNetworkTypeInUse,
532 pIE_Country);
533 }
534
535 if ((bParsingQuiet == TRUE) && (pIE_Quiet != NULL)) {
536 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
537 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
538 // valid EID
539 if (pQuiet == NULL) {
540 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
541 CARDbSetQuiet( pMgmt->pAdapter,
542 TRUE,
543 pQuiet->byQuietCount,
544 pQuiet->byQuietPeriod,
545 *((PWORD)pQuiet->abyQuietDuration),
546 *((PWORD)pQuiet->abyQuietOffset)
547 );
548 } else {
549 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
550 CARDbSetQuiet( pMgmt->pAdapter,
551 FALSE,
552 pQuiet->byQuietCount,
553 pQuiet->byQuietPeriod,
554 *((PWORD)pQuiet->abyQuietDuration),
555 *((PWORD)pQuiet->abyQuietOffset)
556 );
557 }
558 }
559 }
560
561 if ((bParsingQuiet == TRUE) &&
562 (pQuiet != NULL)) {
563 CARDbStartQuiet(pMgmt->pAdapter);
564 }
565
566 pBSSList->uIELength = uIELength;
567 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
568 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
569 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
570
571 return TRUE;
572 }
573
574
575 /*+
576 *
577 * Routine Description:
578 * Update BSS set in known BSS list
579 *
580 * Return Value:
581 * TRUE if success.
582 *
583 -*/
584 // TODO: input structure modify
585
586 BOOL
587 BSSbUpdateToBSSList (
588 void *hDeviceContext,
589 QWORD qwTimestamp,
590 WORD wBeaconInterval,
591 WORD wCapInfo,
592 BYTE byCurrChannel,
593 BOOL bChannelHit,
594 PWLAN_IE_SSID pSSID,
595 PWLAN_IE_SUPP_RATES pSuppRates,
596 PWLAN_IE_SUPP_RATES pExtSuppRates,
597 PERPObject psERP,
598 PWLAN_IE_RSN pRSN,
599 PWLAN_IE_RSN_EXT pRSNWPA,
600 PWLAN_IE_COUNTRY pIE_Country,
601 PWLAN_IE_QUIET pIE_Quiet,
602 PKnownBSS pBSSList,
603 unsigned int uIELength,
604 PBYTE pbyIEs,
605 void *pRxPacketContext
606 )
607 {
608 int ii;
609 PSDevice pDevice = (PSDevice)hDeviceContext;
610 PSMgmtObject pMgmt = pDevice->pMgmt;
611 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
612 long ldBm;
613 BOOL bParsingQuiet = FALSE;
614 PWLAN_IE_QUIET pQuiet = NULL;
615
616
617
618 if (pBSSList == NULL)
619 return FALSE;
620
621
622 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
623 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
624 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
625 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
626 pBSSList->uClearCount = 0;
627 pBSSList->uChannel = byCurrChannel;
628 // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"BSSbUpdateToBSSList: pBSSList->uChannel: %d\n", pBSSList->uChannel);
629
630 if (pSSID->len > WLAN_SSID_MAXLEN)
631 pSSID->len = WLAN_SSID_MAXLEN;
632
633 if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
634 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
635 memcpy(pBSSList->abySuppRates, pSuppRates,pSuppRates->len + WLAN_IEHDR_LEN);
636
637 if (pExtSuppRates != NULL) {
638 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates,pExtSuppRates->len + WLAN_IEHDR_LEN);
639 } else {
640 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
641 }
642 pBSSList->sERP.byERP = psERP->byERP;
643 pBSSList->sERP.bERPExist = psERP->bERPExist;
644
645 // Check if BSS is 802.11a/b/g
646 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
647 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
648 } else {
649 if (pBSSList->sERP.bERPExist == TRUE) {
650 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
651 } else {
652 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
653 }
654 }
655
656 pBSSList->byRxRate = pRxPacket->byRxRate;
657 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
658 if(bChannelHit)
659 pBSSList->uRSSI = pRxPacket->uRSSI;
660 pBSSList->bySQ = pRxPacket->bySQ;
661
662 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
663 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
664 // assoc with BSS
665 if (pBSSList == pMgmt->pCurrBSS) {
666 bParsingQuiet = TRUE;
667 }
668 }
669
670 WPA_ClearRSN(pBSSList); //mike update
671
672 if (pRSNWPA != NULL) {
673 unsigned int uLen = pRSNWPA->len + 2;
674 if (uLen <= (uIELength - (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 - (unsigned int)(ULONG_PTR)((PBYTE)pRSN - pbyIEs))) {
686 pBSSList->wRSNLen = uLen;
687 memcpy(pBSSList->byRSNIE, pRSN, uLen);
688 WPA2vParseRSN(pBSSList, pRSN);
689 }
690 }
691
692 if (pRxPacket->uRSSI != 0) {
693 RFvRSSITodBm(pDevice, (BYTE)(pRxPacket->uRSSI), &ldBm);
694 // Moniter if RSSI is too strong.
695 pBSSList->byRSSIStatCnt++;
696 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
697 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
698 for(ii=0;ii<RSSI_STAT_COUNT;ii++) {
699 if (pBSSList->ldBmAverage[ii] != 0) {
700 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
701 }
702 }
703 }
704
705 if ((pIE_Country != NULL) &&
706 (pMgmt->b11hEnable == TRUE)) {
707 CARDvSetCountryInfo(pMgmt->pAdapter,
708 pBSSList->eNetworkTypeInUse,
709 pIE_Country);
710 }
711
712 if ((bParsingQuiet == TRUE) && (pIE_Quiet != NULL)) {
713 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
714 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
715 // valid EID
716 if (pQuiet == NULL) {
717 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
718 CARDbSetQuiet( pMgmt->pAdapter,
719 TRUE,
720 pQuiet->byQuietCount,
721 pQuiet->byQuietPeriod,
722 *((PWORD)pQuiet->abyQuietDuration),
723 *((PWORD)pQuiet->abyQuietOffset)
724 );
725 } else {
726 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
727 CARDbSetQuiet( pMgmt->pAdapter,
728 FALSE,
729 pQuiet->byQuietCount,
730 pQuiet->byQuietPeriod,
731 *((PWORD)pQuiet->abyQuietDuration),
732 *((PWORD)pQuiet->abyQuietOffset)
733 );
734 }
735 }
736 }
737
738 if ((bParsingQuiet == TRUE) &&
739 (pQuiet != NULL)) {
740 CARDbStartQuiet(pMgmt->pAdapter);
741 }
742
743 pBSSList->uIELength = uIELength;
744 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
745 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
746 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
747
748 return TRUE;
749 }
750
751
752
753
754
755 /*+
756 *
757 * Routine Description:
758 * Search Node DB table to find the index of matched DstAddr
759 *
760 * Return Value:
761 * None
762 *
763 -*/
764
765 BOOL
766 BSSDBbIsSTAInNodeDB(
767 void *pMgmtObject,
768 PBYTE abyDstAddr,
769 PUINT puNodeIndex
770 )
771 {
772 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
773 unsigned int ii;
774
775 // Index = 0 reserved for AP Node
776 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
777 if (pMgmt->sNodeDBTable[ii].bActive) {
778 if (!compare_ether_addr(abyDstAddr, pMgmt->sNodeDBTable[ii].abyMACAddr)) {
779 *puNodeIndex = ii;
780 return TRUE;
781 }
782 }
783 }
784
785 return FALSE;
786 };
787
788
789
790 /*+
791 *
792 * Routine Description:
793 * Find an empty node and allocated; if no empty found,
794 * instand used of most inactive one.
795 *
796 * Return Value:
797 * None
798 *
799 -*/
800 void
801 BSSvCreateOneNode(
802 void *hDeviceContext,
803 PUINT puNodeIndex
804 )
805 {
806
807 PSDevice pDevice = (PSDevice)hDeviceContext;
808 PSMgmtObject pMgmt = pDevice->pMgmt;
809 unsigned int ii;
810 unsigned int BigestCount = 0;
811 unsigned int SelectIndex;
812 struct sk_buff *skb;
813 // Index = 0 reserved for AP Node (In STA mode)
814 // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
815 SelectIndex = 1;
816 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
817 if (pMgmt->sNodeDBTable[ii].bActive) {
818 if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
819 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
820 SelectIndex = ii;
821 }
822 }
823 else {
824 break;
825 }
826 }
827
828 // if not found replace uInActiveCount is largest one.
829 if ( ii == (MAX_NODE_NUM + 1)) {
830 *puNodeIndex = SelectIndex;
831 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
832 // clear ps buffer
833 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
834 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
835 dev_kfree_skb(skb);
836 }
837 }
838 else {
839 *puNodeIndex = ii;
840 }
841
842 memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
843 pMgmt->sNodeDBTable[*puNodeIndex].bActive = TRUE;
844 pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
845 // for AP mode PS queue
846 skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
847 pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
848 pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
849 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
850 return;
851 };
852
853
854
855 /*+
856 *
857 * Routine Description:
858 * Remove Node by NodeIndex
859 *
860 *
861 * Return Value:
862 * None
863 *
864 -*/
865 void
866 BSSvRemoveOneNode(
867 void *hDeviceContext,
868 unsigned int uNodeIndex
869 )
870 {
871
872 PSDevice pDevice = (PSDevice)hDeviceContext;
873 PSMgmtObject pMgmt = pDevice->pMgmt;
874 BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
875 struct sk_buff *skb;
876
877
878 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
879 dev_kfree_skb(skb);
880 // clear context
881 memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
882 // clear tx bit map
883 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
884
885 return;
886 };
887 /*+
888 *
889 * Routine Description:
890 * Update AP Node content in Index 0 of KnownNodeDB
891 *
892 *
893 * Return Value:
894 * None
895 *
896 -*/
897
898 void
899 BSSvUpdateAPNode(
900 void *hDeviceContext,
901 PWORD pwCapInfo,
902 PWLAN_IE_SUPP_RATES pSuppRates,
903 PWLAN_IE_SUPP_RATES pExtSuppRates
904 )
905 {
906 PSDevice pDevice = (PSDevice)hDeviceContext;
907 PSMgmtObject pMgmt = pDevice->pMgmt;
908 unsigned int uRateLen = WLAN_RATES_MAXLEN;
909
910 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
911
912 pMgmt->sNodeDBTable[0].bActive = TRUE;
913 if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {
914 uRateLen = WLAN_RATES_MAXLEN_11B;
915 }
916 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
917 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
918 uRateLen);
919 pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
920 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
921 uRateLen);
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 memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
933 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
934 pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
935 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
936 #ifdef PLICE_DEBUG
937 printk("BSSvUpdateAPNode:MaxSuppRate is %d\n",pMgmt->sNodeDBTable[0].wMaxSuppRate);
938 #endif
939 // Auto rate fallback function initiation.
940 // RATEbInit(pDevice);
941 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
942
943 };
944
945
946
947
948
949 /*+
950 *
951 * Routine Description:
952 * Add Multicast Node content in Index 0 of KnownNodeDB
953 *
954 *
955 * Return Value:
956 * None
957 *
958 -*/
959
960
961 void
962 BSSvAddMulticastNode(
963 void *hDeviceContext
964 )
965 {
966 PSDevice pDevice = (PSDevice)hDeviceContext;
967 PSMgmtObject pMgmt = pDevice->pMgmt;
968
969 if (!pDevice->bEnableHostWEP)
970 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
971 memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
972 pMgmt->sNodeDBTable[0].bActive = TRUE;
973 pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
974 skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
975 RATEvParseMaxRate((void *)pDevice,
976 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
977 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
978 TRUE,
979 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
980 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
981 &(pMgmt->sNodeDBTable[0].wSuppRate),
982 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
983 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
984 );
985 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
986 #ifdef PLICE_DEBUG
987 printk("BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n",pMgmt->sNodeDBTable[0].wTxDataRate);
988 #endif
989 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
990
991 };
992
993
994
995
996
997 /*+
998 *
999 * Routine Description:
1000 *
1001 *
1002 * Second call back function to update Node DB info & AP link status
1003 *
1004 *
1005 * Return Value:
1006 * none.
1007 *
1008 -*/
1009 //2008-4-14 <add> by chester for led issue
1010 #ifdef FOR_LED_ON_NOTEBOOK
1011 BOOL cc=FALSE;
1012 unsigned int status;
1013 #endif
1014 void
1015 BSSvSecondCallBack(
1016 void *hDeviceContext
1017 )
1018 {
1019 PSDevice pDevice = (PSDevice)hDeviceContext;
1020 PSMgmtObject pMgmt = pDevice->pMgmt;
1021 unsigned int ii;
1022 PWLAN_IE_SSID pItemSSID, pCurrSSID;
1023 unsigned int uSleepySTACnt = 0;
1024 unsigned int uNonShortSlotSTACnt = 0;
1025 unsigned int uLongPreambleSTACnt = 0;
1026 viawget_wpa_header* wpahdr; //DavidWang
1027
1028 spin_lock_irq(&pDevice->lock);
1029
1030 pDevice->uAssocCount = 0;
1031
1032 pDevice->byERPFlag &=
1033 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
1034 //2008-4-14 <add> by chester for led issue
1035 #ifdef FOR_LED_ON_NOTEBOOK
1036 MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
1037 if ((( !(pDevice->byGPIO & GPIO0_DATA)&&(pDevice->bHWRadioOff == FALSE))||((pDevice->byGPIO & GPIO0_DATA)&&(pDevice->bHWRadioOff == TRUE)))&&(cc==FALSE)){
1038 cc=TRUE;
1039 }
1040 else if(cc==TRUE){
1041
1042 if(pDevice->bHWRadioOff == TRUE){
1043 if ( !(pDevice->byGPIO & GPIO0_DATA))
1044 //||( !(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
1045 {if(status==1) goto start;
1046 status=1;
1047 CARDbRadioPowerOff(pDevice);
1048 pMgmt->sNodeDBTable[0].bActive = FALSE;
1049 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1050 pMgmt->eCurrState = WMAC_STATE_IDLE;
1051 //netif_stop_queue(pDevice->dev);
1052 pDevice->bLinkPass = FALSE;
1053
1054 }
1055 if (pDevice->byGPIO &GPIO0_DATA)
1056 //||( !(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
1057 {if(status==2) goto start;
1058 status=2;
1059 CARDbRadioPowerOn(pDevice);
1060 } }
1061 else{
1062 if (pDevice->byGPIO & GPIO0_DATA)
1063 //||( !(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
1064 {if(status==3) goto start;
1065 status=3;
1066 CARDbRadioPowerOff(pDevice);
1067 pMgmt->sNodeDBTable[0].bActive = FALSE;
1068 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1069 pMgmt->eCurrState = WMAC_STATE_IDLE;
1070 //netif_stop_queue(pDevice->dev);
1071 pDevice->bLinkPass = FALSE;
1072
1073 }
1074 if ( !(pDevice->byGPIO & GPIO0_DATA))
1075 //||( !(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
1076 {if(status==4) goto start;
1077 status=4;
1078 CARDbRadioPowerOn(pDevice);
1079 } }
1080 }
1081 start:
1082 #endif
1083
1084
1085 if (pDevice->wUseProtectCntDown > 0) {
1086 pDevice->wUseProtectCntDown --;
1087 }
1088 else {
1089 // disable protect mode
1090 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
1091 }
1092
1093 {
1094 pDevice->byReAssocCount++;
1095 if((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != TRUE)) { //10 sec timeout
1096 printk("Re-association timeout!!!\n");
1097 pDevice->byReAssocCount = 0;
1098 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1099 // if(pDevice->bWPASuppWextEnabled == TRUE)
1100 {
1101 union iwreq_data wrqu;
1102 memset(&wrqu, 0, sizeof (wrqu));
1103 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1104 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1105 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1106 }
1107 #endif
1108 }
1109 else if(pDevice->bLinkPass == TRUE)
1110 pDevice->byReAssocCount = 0;
1111 }
1112
1113 #ifdef Calcu_LinkQual
1114 s_uCalculateLinkQual((void *)pDevice);
1115 #endif
1116
1117 for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1118
1119 if (pMgmt->sNodeDBTable[ii].bActive) {
1120 // Increase in-activity counter
1121 pMgmt->sNodeDBTable[ii].uInActiveCount++;
1122
1123 if (ii > 0) {
1124 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1125 BSSvRemoveOneNode(pDevice, ii);
1126 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1127 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1128 continue;
1129 }
1130
1131 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1132
1133 pDevice->uAssocCount++;
1134
1135 // check if Non ERP exist
1136 if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1137 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1138 pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1139 uLongPreambleSTACnt ++;
1140 }
1141 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1142 pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1143 pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1144 }
1145 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1146 uNonShortSlotSTACnt++;
1147 }
1148 }
1149
1150 // check if any STA in PS mode
1151 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1152 uSleepySTACnt++;
1153
1154
1155 }
1156
1157 // Rate fallback check
1158 if (!pDevice->bFixRate) {
1159 /*
1160 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (ii == 0))
1161 RATEvTxRateFallBack(pDevice, &(pMgmt->sNodeDBTable[ii]));
1162 */
1163 if (ii > 0) {
1164 // ii = 0 for multicast node (AP & Adhoc)
1165 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1166 }
1167 else {
1168 // ii = 0 reserved for unicast AP node (Infra STA)
1169 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1170 #ifdef PLICE_DEBUG
1171 printk("SecondCallback:Before:TxDataRate is %d\n",pMgmt->sNodeDBTable[0].wTxDataRate);
1172 #endif
1173 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1174 #ifdef PLICE_DEBUG
1175 printk("SecondCallback:After:TxDataRate is %d\n",pMgmt->sNodeDBTable[0].wTxDataRate);
1176 #endif
1177
1178 }
1179
1180 }
1181
1182 // check if pending PS queue
1183 if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1184 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
1185 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1186 if ((ii >0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1187 BSSvRemoveOneNode(pDevice, ii);
1188 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
1189 continue;
1190 }
1191 }
1192 }
1193
1194 }
1195
1196
1197 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) {
1198
1199 // on/off protect mode
1200 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1201 if (!pDevice->bProtectMode) {
1202 MACvEnableProtectMD(pDevice->PortOffset);
1203 pDevice->bProtectMode = TRUE;
1204 }
1205 }
1206 else {
1207 if (pDevice->bProtectMode) {
1208 MACvDisableProtectMD(pDevice->PortOffset);
1209 pDevice->bProtectMode = FALSE;
1210 }
1211 }
1212 // on/off short slot time
1213
1214 if (uNonShortSlotSTACnt > 0) {
1215 if (pDevice->bShortSlotTime) {
1216 pDevice->bShortSlotTime = FALSE;
1217 BBvSetShortSlotTime(pDevice);
1218 vUpdateIFS((void *)pDevice);
1219 }
1220 }
1221 else {
1222 if (!pDevice->bShortSlotTime) {
1223 pDevice->bShortSlotTime = TRUE;
1224 BBvSetShortSlotTime(pDevice);
1225 vUpdateIFS((void *)pDevice);
1226 }
1227 }
1228
1229 // on/off barker long preamble mode
1230
1231 if (uLongPreambleSTACnt > 0) {
1232 if (!pDevice->bBarkerPreambleMd) {
1233 MACvEnableBarkerPreambleMd(pDevice->PortOffset);
1234 pDevice->bBarkerPreambleMd = TRUE;
1235 }
1236 }
1237 else {
1238 if (pDevice->bBarkerPreambleMd) {
1239 MACvDisableBarkerPreambleMd(pDevice->PortOffset);
1240 pDevice->bBarkerPreambleMd = FALSE;
1241 }
1242 }
1243
1244 }
1245
1246
1247 // Check if any STA in PS mode, enable DTIM multicast deliver
1248 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1249 if (uSleepySTACnt > 0)
1250 pMgmt->sNodeDBTable[0].bPSEnable = TRUE;
1251 else
1252 pMgmt->sNodeDBTable[0].bPSEnable = FALSE;
1253 }
1254
1255 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1256 pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1257
1258 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1259 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1260
1261 if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1262 // DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "Callback inactive Count = [%d]\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1263 //if (pDevice->bUpdateBBVGA) {
1264 // s_vCheckSensitivity((void *) pDevice);
1265 //}
1266
1267 if (pDevice->bUpdateBBVGA) {
1268 // s_vCheckSensitivity((void *) pDevice);
1269 s_vCheckPreEDThreshold((void *)pDevice);
1270 }
1271
1272 if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1273 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) ) {
1274 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1275 bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1276 }
1277
1278 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1279 pMgmt->sNodeDBTable[0].bActive = FALSE;
1280 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1281 pMgmt->eCurrState = WMAC_STATE_IDLE;
1282 netif_stop_queue(pDevice->dev);
1283 pDevice->bLinkPass = FALSE;
1284 pDevice->bRoaming = TRUE;
1285 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1286 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1287 wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1288 wpahdr->type = VIAWGET_DISASSOC_MSG;
1289 wpahdr->resp_ie_len = 0;
1290 wpahdr->req_ie_len = 0;
1291 skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1292 pDevice->skb->dev = pDevice->wpadev;
1293 skb_reset_mac_header(pDevice->skb);
1294 pDevice->skb->pkt_type = PACKET_HOST;
1295 pDevice->skb->protocol = htons(ETH_P_802_2);
1296 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1297 netif_rx(pDevice->skb);
1298 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1299 };
1300 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1301 // if(pDevice->bWPASuppWextEnabled == TRUE)
1302 {
1303 union iwreq_data wrqu;
1304 memset(&wrqu, 0, sizeof (wrqu));
1305 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1306 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1307 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1308 }
1309 #endif
1310 }
1311 }
1312 else if (pItemSSID->len != 0) {
1313 if (pDevice->uAutoReConnectTime < 10) {
1314 pDevice->uAutoReConnectTime++;
1315 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1316 //network manager support need not do Roaming scan???
1317 if(pDevice->bWPASuppWextEnabled ==TRUE)
1318 pDevice->uAutoReConnectTime = 0;
1319 #endif
1320 }
1321 else {
1322 //mike use old encryption status for wpa reauthen
1323 if(pDevice->bWPADEVUp)
1324 pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1325
1326 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1327 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
1328 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1329 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1330 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1331 pDevice->uAutoReConnectTime = 0;
1332 }
1333 }
1334 }
1335
1336 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1337 // if adhoc started which essid is NULL string, rescaning.
1338 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1339 if (pDevice->uAutoReConnectTime < 10) {
1340 pDevice->uAutoReConnectTime++;
1341 }
1342 else {
1343 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scaning ...\n");
1344 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1345 bScheduleCommand((void *) pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1346 bScheduleCommand((void *) pDevice, WLAN_CMD_SSID, NULL);
1347 pDevice->uAutoReConnectTime = 0;
1348 };
1349 }
1350 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1351
1352 if (pDevice->bUpdateBBVGA) {
1353 //s_vCheckSensitivity((void *) pDevice);
1354 s_vCheckPreEDThreshold((void *)pDevice);
1355 }
1356 if (pMgmt->sNodeDBTable[0].uInActiveCount >=ADHOC_LOST_BEACON_COUNT) {
1357 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1358 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1359 pMgmt->eCurrState = WMAC_STATE_STARTED;
1360 netif_stop_queue(pDevice->dev);
1361 pDevice->bLinkPass = FALSE;
1362 }
1363 }
1364 }
1365
1366 spin_unlock_irq(&pDevice->lock);
1367
1368 pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1369 add_timer(&pMgmt->sTimerSecondCallback);
1370 return;
1371 }
1372
1373
1374
1375
1376 /*+
1377 *
1378 * Routine Description:
1379 *
1380 *
1381 * Update Tx attemps, Tx failure counter in Node DB
1382 *
1383 *
1384 * Return Value:
1385 * none.
1386 *
1387 -*/
1388
1389
1390
1391 void
1392 BSSvUpdateNodeTxCounter(
1393 void *hDeviceContext,
1394 BYTE byTsr0,
1395 BYTE byTsr1,
1396 PBYTE pbyBuffer,
1397 unsigned int uFIFOHeaderSize
1398 )
1399 {
1400 PSDevice pDevice = (PSDevice)hDeviceContext;
1401 PSMgmtObject pMgmt = pDevice->pMgmt;
1402 unsigned int uNodeIndex = 0;
1403 BYTE byTxRetry = (byTsr0 & TSR0_NCR);
1404 PSTxBufHead pTxBufHead;
1405 PS802_11Header pMACHeader;
1406 WORD wRate;
1407 WORD wFallBackRate = RATE_1M;
1408 BYTE byFallBack;
1409 unsigned int ii;
1410 // unsigned int txRetryTemp;
1411 //PLICE_DEBUG->
1412 //txRetryTemp = byTxRetry;
1413 //if (txRetryTemp== 8)
1414 //txRetryTemp -=3;
1415 //PLICE_DEBUG <-
1416 pTxBufHead = (PSTxBufHead) pbyBuffer;
1417 if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1418 byFallBack = AUTO_FB_0;
1419 } else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1420 byFallBack = AUTO_FB_1;
1421 } else {
1422 byFallBack = AUTO_FB_NONE;
1423 }
1424 wRate = pTxBufHead->wReserved; //?wRate
1425 //printk("BSSvUpdateNodeTxCounter:byTxRetry is %d\n",byTxRetry);
1426
1427 //printk("BSSvUpdateNodeTx:wRate is %d,byFallback is %d\n",wRate,byFallBack);
1428 //#ifdef PLICE_DEBUG
1429 //printk("BSSvUpdateNodeTx: wRate is %d\n",wRate);
1430 ////#endif
1431 // Only Unicast using support rates
1432 if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) {
1433 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1);
1434 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1435 pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1436 if ((byTsr1 & TSR1_TERR) == 0) {
1437 // transmit success, TxAttempts at least plus one
1438 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1439 if ( (byFallBack == AUTO_FB_NONE) ||
1440 (wRate < RATE_18M) ) {
1441 wFallBackRate = wRate;
1442 } else if (byFallBack == AUTO_FB_0) {
1443 //PLICE_DEBUG
1444 if (byTxRetry < 5)
1445 //if (txRetryTemp < 5)
1446 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1447 //wFallBackRate = awHWRetry0[wRate-RATE_12M][byTxRetry];
1448 //wFallBackRate = awHWRetry0[wRate-RATE_18M][txRetryTemp] +1;
1449 else
1450 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1451 //wFallBackRate = awHWRetry0[wRate-RATE_12M][4];
1452 } else if (byFallBack == AUTO_FB_1) {
1453 if (byTxRetry < 5)
1454 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1455 else
1456 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1457 }
1458 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1459 } else {
1460 pMgmt->sNodeDBTable[0].uTxFailures ++;
1461 }
1462 pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1463 if (byTxRetry != 0) {
1464 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE]+=byTxRetry;
1465 if ( (byFallBack == AUTO_FB_NONE) ||
1466 (wRate < RATE_18M) ) {
1467 pMgmt->sNodeDBTable[0].uTxFail[wRate]+=byTxRetry;
1468 } else if (byFallBack == AUTO_FB_0) {
1469 //PLICE_DEBUG
1470 for(ii=0;ii<byTxRetry;ii++)
1471 //for (ii=0;ii<txRetryTemp;ii++)
1472 {
1473 if (ii < 5)
1474 {
1475
1476 //PLICE_DEBUG
1477 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1478 //printk(" II is %d:BSSvUpdateNodeTx:wFallBackRate is %d\n",ii,wFallBackRate);
1479 //wFallBackRate = awHWRetry0[wRate-RATE_12M][ii];
1480 }
1481 else
1482 {
1483 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1484 //printk("ii is %d BSSvUpdateNodeTx:wFallBackRate is %d\n",ii,wFallBackRate);
1485 //wFallBackRate = awHWRetry0[wRate-RATE_12M][4];
1486 }
1487 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1488 }
1489 } else if (byFallBack == AUTO_FB_1) {
1490 for(ii=0;ii<byTxRetry;ii++) {
1491 if (ii < 5)
1492 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1493 else
1494 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1495 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1496 }
1497 }
1498 }
1499 };
1500
1501 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1502 (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1503
1504 pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
1505
1506 if (BSSDBbIsSTAInNodeDB((void *)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)){
1507 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1508 if ((byTsr1 & TSR1_TERR) == 0) {
1509 // transmit success, TxAttempts at least plus one
1510 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1511 if ( (byFallBack == AUTO_FB_NONE) ||
1512 (wRate < RATE_18M) ) {
1513 wFallBackRate = wRate;
1514 } else if (byFallBack == AUTO_FB_0) {
1515 if (byTxRetry < 5)
1516 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1517 else
1518 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1519 } else if (byFallBack == AUTO_FB_1) {
1520 if (byTxRetry < 5)
1521 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1522 else
1523 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1524 }
1525 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1526 } else {
1527 pMgmt->sNodeDBTable[uNodeIndex].uTxFailures ++;
1528 }
1529 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1530 if (byTxRetry != 0) {
1531 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE]+=byTxRetry;
1532 if ( (byFallBack == AUTO_FB_NONE) ||
1533 (wRate < RATE_18M) ) {
1534 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate]+=byTxRetry;
1535 } else if (byFallBack == AUTO_FB_0) {
1536 for(ii=0;ii<byTxRetry;ii++) {
1537 if (ii < 5)
1538 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1539 else
1540 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1541 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1542 }
1543 } else if (byFallBack == AUTO_FB_1) {
1544 for(ii=0;ii<byTxRetry;ii++) {
1545 if (ii < 5)
1546 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1547 else
1548 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1549 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1550 }
1551 }
1552 }
1553 };
1554 }
1555 };
1556
1557 return;
1558
1559
1560 }
1561
1562
1563
1564
1565 /*+
1566 *
1567 * Routine Description:
1568 * Clear Nodes & skb in DB Table
1569 *
1570 *
1571 * Parameters:
1572 * In:
1573 * hDeviceContext - The adapter context.
1574 * uStartIndex - starting index
1575 * Out:
1576 * none
1577 *
1578 * Return Value:
1579 * None.
1580 *
1581 -*/
1582
1583
1584 void
1585 BSSvClearNodeDBTable(
1586 void *hDeviceContext,
1587 unsigned int uStartIndex
1588 )
1589
1590 {
1591 PSDevice pDevice = (PSDevice)hDeviceContext;
1592 PSMgmtObject pMgmt = pDevice->pMgmt;
1593 struct sk_buff *skb;
1594 unsigned int ii;
1595
1596 for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1597 if (pMgmt->sNodeDBTable[ii].bActive) {
1598 // check if sTxPSQueue has been initial
1599 if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1600 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL){
1601 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1602 dev_kfree_skb(skb);
1603 }
1604 }
1605 memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1606 }
1607 }
1608
1609 return;
1610 };
1611
1612
1613 void s_vCheckSensitivity(
1614 void *hDeviceContext
1615 )
1616 {
1617 PSDevice pDevice = (PSDevice)hDeviceContext;
1618 PKnownBSS pBSSList = NULL;
1619 PSMgmtObject pMgmt = pDevice->pMgmt;
1620 int ii;
1621
1622 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) &&
1623 (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
1624 return;
1625 }
1626
1627 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1628 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1629 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1630 if (pBSSList != NULL) {
1631 // Updata BB Reg if RSSI is too strong.
1632 long LocalldBmAverage = 0;
1633 long uNumofdBm = 0;
1634 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1635 if (pBSSList->ldBmAverage[ii] != 0) {
1636 uNumofdBm ++;
1637 LocalldBmAverage += pBSSList->ldBmAverage[ii];
1638 }
1639 }
1640 if (uNumofdBm > 0) {
1641 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1642 for (ii=0;ii<BB_VGA_LEVEL;ii++) {
1643 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1644 if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1645 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1646 break;
1647 }
1648 }
1649 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1650 pDevice->uBBVGADiffCount++;
1651 if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1652 bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1653 } else {
1654 pDevice->uBBVGADiffCount = 0;
1655 }
1656 }
1657 }
1658 }
1659 }
1660
1661
1662 void
1663 BSSvClearAnyBSSJoinRecord (
1664 void *hDeviceContext
1665 )
1666 {
1667 PSDevice pDevice = (PSDevice)hDeviceContext;
1668 PSMgmtObject pMgmt = pDevice->pMgmt;
1669 unsigned int ii;
1670
1671 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
1672 pMgmt->sBSSList[ii].bSelected = FALSE;
1673 }
1674 return;
1675 }
1676
1677 #ifdef Calcu_LinkQual
1678 void s_uCalculateLinkQual(
1679 void *hDeviceContext
1680 )
1681 {
1682 PSDevice pDevice = (PSDevice)hDeviceContext;
1683 unsigned long TxOkRatio, TxCnt;
1684 unsigned long RxOkRatio,RxCnt;
1685 unsigned long RssiRatio;
1686 long ldBm;
1687
1688 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1689 pDevice->scStatistic.TxRetryOkCount +
1690 pDevice->scStatistic.TxFailCount;
1691 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1692 pDevice->scStatistic.RxOkCnt;
1693 TxOkRatio = (TxCnt < 6) ? 4000:((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1694 RxOkRatio = (RxCnt < 6) ? 2000:((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1695 //decide link quality
1696 if(pDevice->bLinkPass !=TRUE)
1697 {
1698 // printk("s_uCalculateLinkQual-->Link disconnect and Poor quality**\n");
1699 pDevice->scStatistic.LinkQuality = 0;
1700 pDevice->scStatistic.SignalStren = 0;
1701 }
1702 else
1703 {
1704 RFvRSSITodBm(pDevice, (BYTE)(pDevice->uCurrRSSI), &ldBm);
1705 if(-ldBm < 50) {
1706 RssiRatio = 4000;
1707 }
1708 else if(-ldBm > 90) {
1709 RssiRatio = 0;
1710 }
1711 else {
1712 RssiRatio = (40-(-ldBm-50))*4000/40;
1713 }
1714 pDevice->scStatistic.SignalStren = RssiRatio/40;
1715 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1716 }
1717 pDevice->scStatistic.RxFcsErrCnt = 0;
1718 pDevice->scStatistic.RxOkCnt = 0;
1719 pDevice->scStatistic.TxFailCount = 0;
1720 pDevice->scStatistic.TxNoRetryOkCount = 0;
1721 pDevice->scStatistic.TxRetryOkCount = 0;
1722 return;
1723 }
1724 #endif
1725
1726 void s_vCheckPreEDThreshold(
1727 void *hDeviceContext
1728 )
1729 {
1730 PSDevice pDevice = (PSDevice)hDeviceContext;
1731 PKnownBSS pBSSList = NULL;
1732 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1733
1734 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1735 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1736 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1737 if (pBSSList != NULL) {
1738 pDevice->byBBPreEDRSSI = (BYTE) (~(pBSSList->ldBmAverRange) + 1);
1739 //BBvUpdatePreEDThreshold(pDevice, FALSE);
1740 }
1741 }
1742 return;
1743 }
1744
Linux kernel - Deliverables
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