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xenbus_client.c: correct exit path for xenbus_map_ring_valloc_hvm
[linux/fpc-iii.git] / drivers / staging / vt6655 / bssdb.c
blobf983915168b7883c30a435c4561b8571abb77f75
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 "channel.h"
57 #include "mac.h"
58 #include "wpa2.h"
59 #include "iowpa.h"
60
61 /*--------------------- Static Definitions -------------------------*/
62
63 /*--------------------- Static Classes ----------------------------*/
64
65 /*--------------------- Static Variables --------------------------*/
66 static int msglevel = MSG_LEVEL_INFO;
67 //static int msglevel =MSG_LEVEL_DEBUG;
68
69 const unsigned short awHWRetry0[5][5] = {
70 {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
71 {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
72 {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
73 {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
74 {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
75 };
76 const unsigned short awHWRetry1[5][5] = {
77 {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
78 {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
79 {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
80 {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
81 {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
82 };
83
84 /*--------------------- Static Functions --------------------------*/
85
86 void s_vCheckSensitivity(
87 void *hDeviceContext
88 );
89
90 #ifdef Calcu_LinkQual
91 void s_uCalculateLinkQual(
92 void *hDeviceContext
93 );
94 #endif
95
96 void s_vCheckPreEDThreshold(
97 void *hDeviceContext
98 );
99 /*--------------------- Export Variables --------------------------*/
100
101 /*--------------------- Export Functions --------------------------*/
102
103 /*+
104 *
105 * Routine Description:
106 * Search known BSS list for Desire SSID or BSSID.
107 *
108 * Return Value:
109 * PTR to KnownBSS or NULL
110 *
111 -*/
112
113 PKnownBSS
114 BSSpSearchBSSList(
115 void *hDeviceContext,
116 unsigned char *pbyDesireBSSID,
117 unsigned char *pbyDesireSSID,
118 CARD_PHY_TYPE ePhyType
119 )
120 {
121 PSDevice pDevice = (PSDevice)hDeviceContext;
122 PSMgmtObject pMgmt = pDevice->pMgmt;
123 unsigned char *pbyBSSID = NULL;
124 PWLAN_IE_SSID pSSID = NULL;
125 PKnownBSS pCurrBSS = NULL;
126 PKnownBSS pSelect = NULL;
127 unsigned char ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
128 unsigned int ii = 0;
129
130 if (pbyDesireBSSID != NULL) {
131 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
132 "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID);
133 if ((!is_broadcast_ether_addr(pbyDesireBSSID)) &&
134 (memcmp(pbyDesireBSSID, ZeroBSSID, 6) != 0)) {
135 pbyBSSID = pbyDesireBSSID;
136 }
137 }
138 if (pbyDesireSSID != NULL) {
139 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0) {
140 pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
141 }
142 }
143
144 if (pbyBSSID != NULL) {
145 // match BSSID first
146 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
147 pCurrBSS = &(pMgmt->sBSSList[ii]);
148 if (pDevice->bLinkPass == false) pCurrBSS->bSelected = false;
149 if ((pCurrBSS->bActive) &&
150 (pCurrBSS->bSelected == false)) {
151 if (!compare_ether_addr(pCurrBSS->abyBSSID, pbyBSSID)) {
152 if (pSSID != NULL) {
153 // compare ssid
154 if (!memcmp(pSSID->abySSID,
155 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
156 pSSID->len)) {
157 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
158 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
159 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
160 ) {
161 pCurrBSS->bSelected = true;
162 return pCurrBSS;
163 }
164 }
165 } else {
166 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
167 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
168 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
169 ) {
170 pCurrBSS->bSelected = true;
171 return pCurrBSS;
172 }
173 }
174 }
175 }
176 }
177 } else {
178 // ignore BSSID
179 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
180 pCurrBSS = &(pMgmt->sBSSList[ii]);
181 //2007-0721-01<Add>by MikeLiu
182 pCurrBSS->bSelected = false;
183 if (pCurrBSS->bActive) {
184 if (pSSID != NULL) {
185 // matched SSID
186 if (!!memcmp(pSSID->abySSID,
187 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
188 pSSID->len) ||
189 (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
190 // SSID not match skip this BSS
191 continue;
192 }
193 }
194 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
195 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
196 ) {
197 // Type not match skip this BSS
198 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
199 continue;
200 }
201
202 if (ePhyType != PHY_TYPE_AUTO) {
203 if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
204 ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
205 // PhyType not match skip this BSS
206 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
207 continue;
208 }
209 }
210 /*
211 if (pMgmt->eAuthenMode < WMAC_AUTH_WPA) {
212 if (pCurrBSS->bWPAValid == true) {
213 // WPA AP will reject connection of station without WPA enable.
214 continue;
215 }
216 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
217 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK)) {
218 if (pCurrBSS->bWPAValid == false) {
219 // station with WPA enable can't join NonWPA AP.
220 continue;
221 }
222 } else if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
223 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
224 if (pCurrBSS->bWPA2Valid == false) {
225 // station with WPA2 enable can't join NonWPA2 AP.
226 continue;
227 }
228 }
229 */
230 if (pSelect == NULL) {
231 pSelect = pCurrBSS;
232 } else {
233 // compare RSSI, select signal strong one
234 if (pCurrBSS->uRSSI < pSelect->uRSSI) {
235 pSelect = pCurrBSS;
236 }
237 }
238 }
239 }
240 if (pSelect != NULL) {
241 pSelect->bSelected = true;
242 /*
243 if (pDevice->bRoaming == false) {
244 // Einsn Add @20070907
245 memset(pbyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
246 memcpy(pbyDesireSSID,pCurrBSS->abySSID,WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1);
247 }*/
248
249 return pSelect;
250 }
251 }
252 return NULL;
253 }
254
255 /*+
256 *
257 * Routine Description:
258 * Clear BSS List
259 *
260 * Return Value:
261 * None.
262 *
263 -*/
264
265 void
266 BSSvClearBSSList(
267 void *hDeviceContext,
268 bool bKeepCurrBSSID
269 )
270 {
271 PSDevice pDevice = (PSDevice)hDeviceContext;
272 PSMgmtObject pMgmt = pDevice->pMgmt;
273 unsigned int ii;
274
275 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
276 if (bKeepCurrBSSID) {
277 if (pMgmt->sBSSList[ii].bActive &&
278 !compare_ether_addr(pMgmt->sBSSList[ii].abyBSSID, pMgmt->abyCurrBSSID)) {
279 // bKeepCurrBSSID = false;
280 continue;
281 }
282 }
283
284 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
285 pMgmt->sBSSList[ii].uClearCount++;
286 continue;
287 }
288
289 pMgmt->sBSSList[ii].bActive = false;
290 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
291 }
292 BSSvClearAnyBSSJoinRecord(pDevice);
293
294 return;
295 }
296
297 /*+
298 *
299 * Routine Description:
300 * search BSS list by BSSID & SSID if matched
301 *
302 * Return Value:
303 * true if found.
304 *
305 -*/
306 PKnownBSS
307 BSSpAddrIsInBSSList(
308 void *hDeviceContext,
309 unsigned char *abyBSSID,
310 PWLAN_IE_SSID pSSID
311 )
312 {
313 PSDevice pDevice = (PSDevice)hDeviceContext;
314 PSMgmtObject pMgmt = pDevice->pMgmt;
315 PKnownBSS pBSSList = NULL;
316 unsigned int ii;
317
318 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
319 pBSSList = &(pMgmt->sBSSList[ii]);
320 if (pBSSList->bActive) {
321 if (!compare_ether_addr(pBSSList->abyBSSID, abyBSSID)) {
322 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len) {
323 if (memcmp(pSSID->abySSID,
324 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
325 pSSID->len) == 0)
326 return pBSSList;
327 }
328 }
329 }
330 }
331
332 return NULL;
333 };
334
335 /*+
336 *
337 * Routine Description:
338 * Insert a BSS set into known BSS list
339 *
340 * Return Value:
341 * true if success.
342 *
343 -*/
344
345 bool
346 BSSbInsertToBSSList(
347 void *hDeviceContext,
348 unsigned char *abyBSSIDAddr,
349 QWORD qwTimestamp,
350 unsigned short wBeaconInterval,
351 unsigned short wCapInfo,
352 unsigned char byCurrChannel,
353 PWLAN_IE_SSID pSSID,
354 PWLAN_IE_SUPP_RATES pSuppRates,
355 PWLAN_IE_SUPP_RATES pExtSuppRates,
356 PERPObject psERP,
357 PWLAN_IE_RSN pRSN,
358 PWLAN_IE_RSN_EXT pRSNWPA,
359 PWLAN_IE_COUNTRY pIE_Country,
360 PWLAN_IE_QUIET pIE_Quiet,
361 unsigned int uIELength,
362 unsigned char *pbyIEs,
363 void *pRxPacketContext
364 )
365 {
366 PSDevice pDevice = (PSDevice)hDeviceContext;
367 PSMgmtObject pMgmt = pDevice->pMgmt;
368 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
369 PKnownBSS pBSSList = NULL;
370 unsigned int ii;
371 bool bParsingQuiet = false;
372 PWLAN_IE_QUIET pQuiet = NULL;
373
374 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
375
376 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
377 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
378 if (!pBSSList->bActive)
379 break;
380 }
381
382 if (ii == MAX_BSS_NUM) {
383 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
384 return false;
385 }
386 // save the BSS info
387 pBSSList->bActive = true;
388 memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
389 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
390 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
391 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
392 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
393 pBSSList->uClearCount = 0;
394
395 if (pSSID->len > WLAN_SSID_MAXLEN)
396 pSSID->len = WLAN_SSID_MAXLEN;
397 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
398
399 pBSSList->uChannel = byCurrChannel;
400
401 if (pSuppRates->len > WLAN_RATES_MAXLEN)
402 pSuppRates->len = WLAN_RATES_MAXLEN;
403 memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
404
405 if (pExtSuppRates != NULL) {
406 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
407 pExtSuppRates->len = WLAN_RATES_MAXLEN;
408 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
409 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
410
411 } else {
412 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
413 }
414 pBSSList->sERP.byERP = psERP->byERP;
415 pBSSList->sERP.bERPExist = psERP->bERPExist;
416
417 // Check if BSS is 802.11a/b/g
418 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
419 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
420 } else {
421 if (pBSSList->sERP.bERPExist == true) {
422 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
423 } else {
424 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
425 }
426 }
427
428 pBSSList->byRxRate = pRxPacket->byRxRate;
429 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
430 pBSSList->uRSSI = pRxPacket->uRSSI;
431 pBSSList->bySQ = pRxPacket->bySQ;
432
433 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
434 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
435 // assoc with BSS
436 if (pBSSList == pMgmt->pCurrBSS) {
437 bParsingQuiet = true;
438 }
439 }
440
441 WPA_ClearRSN(pBSSList);
442
443 if (pRSNWPA != NULL) {
444 unsigned int uLen = pRSNWPA->len + 2;
445
446 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
447 pBSSList->wWPALen = uLen;
448 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
449 WPA_ParseRSN(pBSSList, pRSNWPA);
450 }
451 }
452
453 WPA2_ClearRSN(pBSSList);
454
455 if (pRSN != NULL) {
456 unsigned int uLen = pRSN->len + 2;
457 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
458 pBSSList->wRSNLen = uLen;
459 memcpy(pBSSList->byRSNIE, pRSN, uLen);
460 WPA2vParseRSN(pBSSList, pRSN);
461 }
462 }
463
464 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || (pBSSList->bWPA2Valid == true)) {
465 PSKeyItem pTransmitKey = NULL;
466 bool bIs802_1x = false;
467
468 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) {
469 if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
470 bIs802_1x = true;
471 break;
472 }
473 }
474 if ((bIs802_1x == true) && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
475 (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
476 bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
477
478 if ((pDevice->bLinkPass == true) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
479 if ((KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) == true) ||
480 (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey) == true)) {
481 pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
482 pDevice->gsPMKIDCandidate.Version = 1;
483
484 }
485
486 }
487 }
488 }
489
490 if (pDevice->bUpdateBBVGA) {
491 // Moniter if RSSI is too strong.
492 pBSSList->byRSSIStatCnt = 0;
493 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
494 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
495 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
496 pBSSList->ldBmAverage[ii] = 0;
497 }
498
499 if ((pIE_Country != NULL) &&
500 (pMgmt->b11hEnable == true)) {
501 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
502 pIE_Country);
503 }
504
505 if ((bParsingQuiet == true) && (pIE_Quiet != NULL)) {
506 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
507 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
508 // valid EID
509 if (pQuiet == NULL) {
510 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
511 CARDbSetQuiet(pMgmt->pAdapter,
512 true,
513 pQuiet->byQuietCount,
514 pQuiet->byQuietPeriod,
515 *((unsigned short *)pQuiet->abyQuietDuration),
516 *((unsigned short *)pQuiet->abyQuietOffset)
517 );
518 } else {
519 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
520 CARDbSetQuiet(pMgmt->pAdapter,
521 false,
522 pQuiet->byQuietCount,
523 pQuiet->byQuietPeriod,
524 *((unsigned short *)pQuiet->abyQuietDuration),
525 *((unsigned short *)pQuiet->abyQuietOffset)
526 );
527 }
528 }
529 }
530
531 if ((bParsingQuiet == true) &&
532 (pQuiet != NULL)) {
533 CARDbStartQuiet(pMgmt->pAdapter);
534 }
535
536 pBSSList->uIELength = uIELength;
537 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
538 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
539 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
540
541 return true;
542 }
543
544 /*+
545 *
546 * Routine Description:
547 * Update BSS set in known BSS list
548 *
549 * Return Value:
550 * true if success.
551 *
552 -*/
553 // TODO: input structure modify
554
555 bool
556 BSSbUpdateToBSSList(
557 void *hDeviceContext,
558 QWORD qwTimestamp,
559 unsigned short wBeaconInterval,
560 unsigned short wCapInfo,
561 unsigned char byCurrChannel,
562 bool bChannelHit,
563 PWLAN_IE_SSID pSSID,
564 PWLAN_IE_SUPP_RATES pSuppRates,
565 PWLAN_IE_SUPP_RATES pExtSuppRates,
566 PERPObject psERP,
567 PWLAN_IE_RSN pRSN,
568 PWLAN_IE_RSN_EXT pRSNWPA,
569 PWLAN_IE_COUNTRY pIE_Country,
570 PWLAN_IE_QUIET pIE_Quiet,
571 PKnownBSS pBSSList,
572 unsigned int uIELength,
573 unsigned char *pbyIEs,
574 void *pRxPacketContext
575 )
576 {
577 int ii;
578 PSDevice pDevice = (PSDevice)hDeviceContext;
579 PSMgmtObject pMgmt = pDevice->pMgmt;
580 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
581 long ldBm;
582 bool bParsingQuiet = false;
583 PWLAN_IE_QUIET pQuiet = NULL;
584
585 if (pBSSList == NULL)
586 return false;
587
588 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
589 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
590 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
591 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
592 pBSSList->uClearCount = 0;
593 pBSSList->uChannel = byCurrChannel;
594 // DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbUpdateToBSSList: pBSSList->uChannel: %d\n", pBSSList->uChannel);
595
596 if (pSSID->len > WLAN_SSID_MAXLEN)
597 pSSID->len = WLAN_SSID_MAXLEN;
598
599 if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
600 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
601 memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
602
603 if (pExtSuppRates != NULL) {
604 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
605 } else {
606 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
607 }
608 pBSSList->sERP.byERP = psERP->byERP;
609 pBSSList->sERP.bERPExist = psERP->bERPExist;
610
611 // Check if BSS is 802.11a/b/g
612 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
613 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
614 } else {
615 if (pBSSList->sERP.bERPExist == true) {
616 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
617 } else {
618 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
619 }
620 }
621
622 pBSSList->byRxRate = pRxPacket->byRxRate;
623 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
624 if (bChannelHit)
625 pBSSList->uRSSI = pRxPacket->uRSSI;
626 pBSSList->bySQ = pRxPacket->bySQ;
627
628 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
629 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
630 // assoc with BSS
631 if (pBSSList == pMgmt->pCurrBSS) {
632 bParsingQuiet = true;
633 }
634 }
635
636 WPA_ClearRSN(pBSSList); //mike update
637
638 if (pRSNWPA != NULL) {
639 unsigned int uLen = pRSNWPA->len + 2;
640 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
641 pBSSList->wWPALen = uLen;
642 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
643 WPA_ParseRSN(pBSSList, pRSNWPA);
644 }
645 }
646
647 WPA2_ClearRSN(pBSSList); //mike update
648
649 if (pRSN != NULL) {
650 unsigned int uLen = pRSN->len + 2;
651 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
652 pBSSList->wRSNLen = uLen;
653 memcpy(pBSSList->byRSNIE, pRSN, uLen);
654 WPA2vParseRSN(pBSSList, pRSN);
655 }
656 }
657
658 if (pRxPacket->uRSSI != 0) {
659 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &ldBm);
660 // Moniter if RSSI is too strong.
661 pBSSList->byRSSIStatCnt++;
662 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
663 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
664 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
665 if (pBSSList->ldBmAverage[ii] != 0) {
666 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
667 }
668 }
669 }
670
671 if ((pIE_Country != NULL) &&
672 (pMgmt->b11hEnable == true)) {
673 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
674 pIE_Country);
675 }
676
677 if ((bParsingQuiet == true) && (pIE_Quiet != NULL)) {
678 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
679 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
680 // valid EID
681 if (pQuiet == NULL) {
682 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
683 CARDbSetQuiet(pMgmt->pAdapter,
684 true,
685 pQuiet->byQuietCount,
686 pQuiet->byQuietPeriod,
687 *((unsigned short *)pQuiet->abyQuietDuration),
688 *((unsigned short *)pQuiet->abyQuietOffset)
689 );
690 } else {
691 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
692 CARDbSetQuiet(pMgmt->pAdapter,
693 false,
694 pQuiet->byQuietCount,
695 pQuiet->byQuietPeriod,
696 *((unsigned short *)pQuiet->abyQuietDuration),
697 *((unsigned short *)pQuiet->abyQuietOffset)
698 );
699 }
700 }
701 }
702
703 if ((bParsingQuiet == true) &&
704 (pQuiet != NULL)) {
705 CARDbStartQuiet(pMgmt->pAdapter);
706 }
707
708 pBSSList->uIELength = uIELength;
709 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
710 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
711 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
712
713 return true;
714 }
715
716 /*+
717 *
718 * Routine Description:
719 * Search Node DB table to find the index of matched DstAddr
720 *
721 * Return Value:
722 * None
723 *
724 -*/
725
726 bool
727 BSSDBbIsSTAInNodeDB(void *pMgmtObject, unsigned char *abyDstAddr,
728 unsigned int *puNodeIndex)
729 {
730 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
731 unsigned int ii;
732
733 // Index = 0 reserved for AP Node
734 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
735 if (pMgmt->sNodeDBTable[ii].bActive) {
736 if (!compare_ether_addr(abyDstAddr, pMgmt->sNodeDBTable[ii].abyMACAddr)) {
737 *puNodeIndex = ii;
738 return true;
739 }
740 }
741 }
742
743 return false;
744 };
745
746 /*+
747 *
748 * Routine Description:
749 * Find an empty node and allocat it; if there is no empty node,
750 * then use the most inactive one.
751 *
752 * Return Value:
753 * None
754 *
755 -*/
756 void
757 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
758 {
759 PSDevice pDevice = (PSDevice)hDeviceContext;
760 PSMgmtObject pMgmt = pDevice->pMgmt;
761 unsigned int ii;
762 unsigned int BigestCount = 0;
763 unsigned int SelectIndex;
764 struct sk_buff *skb;
765 // Index = 0 reserved for AP Node (In STA mode)
766 // Index = 0 reserved for Broadcast/MultiCast (In AP mode)
767 SelectIndex = 1;
768 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
769 if (pMgmt->sNodeDBTable[ii].bActive) {
770 if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
771 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
772 SelectIndex = ii;
773 }
774 } else {
775 break;
776 }
777 }
778
779 // if not found replace uInActiveCount is largest one.
780 if (ii == (MAX_NODE_NUM + 1)) {
781 *puNodeIndex = SelectIndex;
782 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
783 // clear ps buffer
784 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
785 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
786 dev_kfree_skb(skb);
787 }
788 } else {
789 *puNodeIndex = ii;
790 }
791
792 memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
793 pMgmt->sNodeDBTable[*puNodeIndex].bActive = true;
794 pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
795 // for AP mode PS queue
796 skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
797 pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
798 pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
799 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
800 return;
801 };
802
803 /*+
804 *
805 * Routine Description:
806 * Remove Node by NodeIndex
807 *
808 *
809 * Return Value:
810 * None
811 *
812 -*/
813 void
814 BSSvRemoveOneNode(
815 void *hDeviceContext,
816 unsigned int uNodeIndex
817 )
818 {
819 PSDevice pDevice = (PSDevice)hDeviceContext;
820 PSMgmtObject pMgmt = pDevice->pMgmt;
821 unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
822 struct sk_buff *skb;
823
824 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
825 dev_kfree_skb(skb);
826 // clear context
827 memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
828 // clear tx bit map
829 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
830
831 return;
832 };
833 /*+
834 *
835 * Routine Description:
836 * Update AP Node content in Index 0 of KnownNodeDB
837 *
838 *
839 * Return Value:
840 * None
841 *
842 -*/
843
844 void
845 BSSvUpdateAPNode(
846 void *hDeviceContext,
847 unsigned short *pwCapInfo,
848 PWLAN_IE_SUPP_RATES pSuppRates,
849 PWLAN_IE_SUPP_RATES pExtSuppRates
850 )
851 {
852 PSDevice pDevice = (PSDevice)hDeviceContext;
853 PSMgmtObject pMgmt = pDevice->pMgmt;
854 unsigned int uRateLen = WLAN_RATES_MAXLEN;
855
856 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
857
858 pMgmt->sNodeDBTable[0].bActive = true;
859 if (pDevice->eCurrentPHYType == PHY_TYPE_11B) {
860 uRateLen = WLAN_RATES_MAXLEN_11B;
861 }
862 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
863 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
864 uRateLen);
865 pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
866 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
867 uRateLen);
868 RATEvParseMaxRate((void *)pDevice,
869 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
870 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
871 true,
872 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
873 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
874 &(pMgmt->sNodeDBTable[0].wSuppRate),
875 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
876 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
877 );
878 memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
879 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
880 pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
881 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
882 #ifdef PLICE_DEBUG
883 printk("BSSvUpdateAPNode:MaxSuppRate is %d\n", pMgmt->sNodeDBTable[0].wMaxSuppRate);
884 #endif
885 // Auto rate fallback function initiation.
886 // RATEbInit(pDevice);
887 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->sNodeDBTable[0].wTxDataRate = %d \n", pMgmt->sNodeDBTable[0].wTxDataRate);
888 };
889
890 /*+
891 *
892 * Routine Description:
893 * Add Multicast Node content in Index 0 of KnownNodeDB
894 *
895 *
896 * Return Value:
897 * None
898 *
899 -*/
900
901 void
902 BSSvAddMulticastNode(
903 void *hDeviceContext
904 )
905 {
906 PSDevice pDevice = (PSDevice)hDeviceContext;
907 PSMgmtObject pMgmt = pDevice->pMgmt;
908
909 if (!pDevice->bEnableHostWEP)
910 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
911 memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
912 pMgmt->sNodeDBTable[0].bActive = true;
913 pMgmt->sNodeDBTable[0].bPSEnable = false;
914 skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
915 RATEvParseMaxRate((void *)pDevice,
916 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
917 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
918 true,
919 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
920 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
921 &(pMgmt->sNodeDBTable[0].wSuppRate),
922 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
923 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
924 );
925 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
926 #ifdef PLICE_DEBUG
927 printk("BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
928 #endif
929 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
930 };
931
932 /*+
933 *
934 * Routine Description:
935 *
936 *
937 * Second call back function to update Node DB info & AP link status
938 *
939 *
940 * Return Value:
941 * none.
942 *
943 -*/
944 //2008-4-14 <add> by chester for led issue
945 #ifdef FOR_LED_ON_NOTEBOOK
946 bool cc = false;
947 unsigned int status;
948 #endif
949 void
950 BSSvSecondCallBack(
951 void *hDeviceContext
952 )
953 {
954 PSDevice pDevice = (PSDevice)hDeviceContext;
955 PSMgmtObject pMgmt = pDevice->pMgmt;
956 unsigned int ii;
957 PWLAN_IE_SSID pItemSSID, pCurrSSID;
958 unsigned int uSleepySTACnt = 0;
959 unsigned int uNonShortSlotSTACnt = 0;
960 unsigned int uLongPreambleSTACnt = 0;
961 viawget_wpa_header *wpahdr; //DavidWang
962
963 spin_lock_irq(&pDevice->lock);
964
965 pDevice->uAssocCount = 0;
966
967 pDevice->byERPFlag &=
968 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
969 //2008-4-14 <add> by chester for led issue
970 #ifdef FOR_LED_ON_NOTEBOOK
971 MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
972 if (((!(pDevice->byGPIO & GPIO0_DATA) && (pDevice->bHWRadioOff == false)) || ((pDevice->byGPIO & GPIO0_DATA) && (pDevice->bHWRadioOff == true))) && (cc == false)) {
973 cc = true;
974 } else if (cc == true) {
975 if (pDevice->bHWRadioOff == true) {
976 if (!(pDevice->byGPIO & GPIO0_DATA))
977 //||(!(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
978 {
979 if (status == 1) goto start;
980 status = 1;
981 CARDbRadioPowerOff(pDevice);
982 pMgmt->sNodeDBTable[0].bActive = false;
983 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
984 pMgmt->eCurrState = WMAC_STATE_IDLE;
985 //netif_stop_queue(pDevice->dev);
986 pDevice->bLinkPass = false;
987
988 }
989 if (pDevice->byGPIO & GPIO0_DATA)
990 //||(!(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
991 {
992 if (status == 2) goto start;
993 status = 2;
994 CARDbRadioPowerOn(pDevice);
995 }
996 } else {
997 if (pDevice->byGPIO & GPIO0_DATA)
998 //||(!(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
999 {
1000 if (status == 3) goto start;
1001 status = 3;
1002 CARDbRadioPowerOff(pDevice);
1003 pMgmt->sNodeDBTable[0].bActive = false;
1004 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1005 pMgmt->eCurrState = WMAC_STATE_IDLE;
1006 //netif_stop_queue(pDevice->dev);
1007 pDevice->bLinkPass = false;
1008
1009 }
1010 if (!(pDevice->byGPIO & GPIO0_DATA))
1011 //||(!(pDevice->byGPIO & GPIO0_DATA) && (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
1012 {
1013 if (status == 4) goto start;
1014 status = 4;
1015 CARDbRadioPowerOn(pDevice);
1016 }
1017 }
1018 }
1019 start:
1020 #endif
1021
1022 if (pDevice->wUseProtectCntDown > 0) {
1023 pDevice->wUseProtectCntDown--;
1024 } else {
1025 // disable protect mode
1026 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
1027 }
1028
1029 {
1030 pDevice->byReAssocCount++;
1031 if ((pDevice->byReAssocCount > 10) && (pDevice->bLinkPass != true)) { //10 sec timeout
1032 printk("Re-association timeout!!!\n");
1033 pDevice->byReAssocCount = 0;
1034 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1035 {
1036 union iwreq_data wrqu;
1037 memset(&wrqu, 0, sizeof(wrqu));
1038 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1039 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1040 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1041 }
1042 #endif
1043 } else if (pDevice->bLinkPass == true)
1044 pDevice->byReAssocCount = 0;
1045 }
1046
1047 #ifdef Calcu_LinkQual
1048 s_uCalculateLinkQual((void *)pDevice);
1049 #endif
1050
1051 for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1052 if (pMgmt->sNodeDBTable[ii].bActive) {
1053 // Increase in-activity counter
1054 pMgmt->sNodeDBTable[ii].uInActiveCount++;
1055
1056 if (ii > 0) {
1057 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1058 BSSvRemoveOneNode(pDevice, ii);
1059 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1060 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1061 continue;
1062 }
1063
1064 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1065 pDevice->uAssocCount++;
1066
1067 // check if Non ERP exist
1068 if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1069 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1070 pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1071 uLongPreambleSTACnt++;
1072 }
1073 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1074 pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1075 pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1076 }
1077 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1078 uNonShortSlotSTACnt++;
1079 }
1080 }
1081
1082 // check if any STA in PS mode
1083 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1084 uSleepySTACnt++;
1085
1086 }
1087
1088 // Rate fallback check
1089 if (!pDevice->bFixRate) {
1090 /*
1091 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (ii == 0))
1092 RATEvTxRateFallBack(pDevice, &(pMgmt->sNodeDBTable[ii]));
1093 */
1094 if (ii > 0) {
1095 // ii = 0 for multicast node (AP & Adhoc)
1096 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1097 } else {
1098 // ii = 0 reserved for unicast AP node (Infra STA)
1099 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1100 #ifdef PLICE_DEBUG
1101 printk("SecondCallback:Before:TxDataRate is %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
1102 #endif
1103 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1104 #ifdef PLICE_DEBUG
1105 printk("SecondCallback:After:TxDataRate is %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
1106 #endif
1107
1108 }
1109
1110 }
1111
1112 // check if pending PS queue
1113 if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1114 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending \n",
1115 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1116 if ((ii > 0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1117 BSSvRemoveOneNode(pDevice, ii);
1118 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove \n", ii);
1119 continue;
1120 }
1121 }
1122 }
1123
1124 }
1125
1126 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) {
1127 // on/off protect mode
1128 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1129 if (!pDevice->bProtectMode) {
1130 MACvEnableProtectMD(pDevice->PortOffset);
1131 pDevice->bProtectMode = true;
1132 }
1133 } else {
1134 if (pDevice->bProtectMode) {
1135 MACvDisableProtectMD(pDevice->PortOffset);
1136 pDevice->bProtectMode = false;
1137 }
1138 }
1139 // on/off short slot time
1140
1141 if (uNonShortSlotSTACnt > 0) {
1142 if (pDevice->bShortSlotTime) {
1143 pDevice->bShortSlotTime = false;
1144 BBvSetShortSlotTime(pDevice);
1145 vUpdateIFS((void *)pDevice);
1146 }
1147 } else {
1148 if (!pDevice->bShortSlotTime) {
1149 pDevice->bShortSlotTime = true;
1150 BBvSetShortSlotTime(pDevice);
1151 vUpdateIFS((void *)pDevice);
1152 }
1153 }
1154
1155 // on/off barker long preamble mode
1156
1157 if (uLongPreambleSTACnt > 0) {
1158 if (!pDevice->bBarkerPreambleMd) {
1159 MACvEnableBarkerPreambleMd(pDevice->PortOffset);
1160 pDevice->bBarkerPreambleMd = true;
1161 }
1162 } else {
1163 if (pDevice->bBarkerPreambleMd) {
1164 MACvDisableBarkerPreambleMd(pDevice->PortOffset);
1165 pDevice->bBarkerPreambleMd = false;
1166 }
1167 }
1168
1169 }
1170
1171 // Check if any STA in PS mode, enable DTIM multicast deliver
1172 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1173 if (uSleepySTACnt > 0)
1174 pMgmt->sNodeDBTable[0].bPSEnable = true;
1175 else
1176 pMgmt->sNodeDBTable[0].bPSEnable = false;
1177 }
1178
1179 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1180 pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1181
1182 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1183 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1184 if (pMgmt->sNodeDBTable[0].bActive) { // Assoc with BSS
1185 if (pDevice->bUpdateBBVGA) {
1186 // s_vCheckSensitivity((void *) pDevice);
1187 s_vCheckPreEDThreshold((void *)pDevice);
1188 }
1189
1190 if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1191 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) {
1192 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1193 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1194 }
1195
1196 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1197 pMgmt->sNodeDBTable[0].bActive = false;
1198 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1199 pMgmt->eCurrState = WMAC_STATE_IDLE;
1200 netif_stop_queue(pDevice->dev);
1201 pDevice->bLinkPass = false;
1202 pDevice->bRoaming = true;
1203 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1204 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1205 wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1206 wpahdr->type = VIAWGET_DISASSOC_MSG;
1207 wpahdr->resp_ie_len = 0;
1208 wpahdr->req_ie_len = 0;
1209 skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1210 pDevice->skb->dev = pDevice->wpadev;
1211 skb_reset_mac_header(pDevice->skb);
1212 pDevice->skb->pkt_type = PACKET_HOST;
1213 pDevice->skb->protocol = htons(ETH_P_802_2);
1214 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1215 netif_rx(pDevice->skb);
1216 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1217 }
1218 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1219 {
1220 union iwreq_data wrqu;
1221 memset(&wrqu, 0, sizeof(wrqu));
1222 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1223 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1224 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1225 }
1226 #endif
1227 }
1228 } else if (pItemSSID->len != 0) {
1229 if (pDevice->uAutoReConnectTime < 10) {
1230 pDevice->uAutoReConnectTime++;
1231 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1232 //network manager support need not do Roaming scan???
1233 if (pDevice->bWPASuppWextEnabled == true)
1234 pDevice->uAutoReConnectTime = 0;
1235 #endif
1236 } else {
1237 //mike use old encryption status for wpa reauthen
1238 if (pDevice->bWPADEVUp)
1239 pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1240
1241 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1242 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
1243 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1244 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1245 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1246 pDevice->uAutoReConnectTime = 0;
1247 }
1248 }
1249 }
1250
1251 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1252 // if adhoc started which essid is NULL string, rescanning.
1253 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1254 if (pDevice->uAutoReConnectTime < 10) {
1255 pDevice->uAutoReConnectTime++;
1256 } else {
1257 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1258 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1259 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1260 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL);
1261 pDevice->uAutoReConnectTime = 0;
1262 };
1263 }
1264 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1265 if (pDevice->bUpdateBBVGA) {
1266 //s_vCheckSensitivity((void *) pDevice);
1267 s_vCheckPreEDThreshold((void *)pDevice);
1268 }
1269 if (pMgmt->sNodeDBTable[0].uInActiveCount >= ADHOC_LOST_BEACON_COUNT) {
1270 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1271 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1272 pMgmt->eCurrState = WMAC_STATE_STARTED;
1273 netif_stop_queue(pDevice->dev);
1274 pDevice->bLinkPass = false;
1275 }
1276 }
1277 }
1278
1279 spin_unlock_irq(&pDevice->lock);
1280
1281 pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1282 add_timer(&pMgmt->sTimerSecondCallback);
1283 return;
1284 }
1285
1286 /*+
1287 *
1288 * Routine Description:
1289 *
1290 *
1291 * Update Tx attemps, Tx failure counter in Node DB
1292 *
1293 *
1294 * Return Value:
1295 * none.
1296 *
1297 -*/
1298
1299 void
1300 BSSvUpdateNodeTxCounter(
1301 void *hDeviceContext,
1302 unsigned char byTsr0,
1303 unsigned char byTsr1,
1304 unsigned char *pbyBuffer,
1305 unsigned int uFIFOHeaderSize
1306 )
1307 {
1308 PSDevice pDevice = (PSDevice)hDeviceContext;
1309 PSMgmtObject pMgmt = pDevice->pMgmt;
1310 unsigned int uNodeIndex = 0;
1311 unsigned char byTxRetry = (byTsr0 & TSR0_NCR);
1312 PSTxBufHead pTxBufHead;
1313 PS802_11Header pMACHeader;
1314 unsigned short wRate;
1315 unsigned short wFallBackRate = RATE_1M;
1316 unsigned char byFallBack;
1317 unsigned int ii;
1318 // unsigned int txRetryTemp;
1319 //PLICE_DEBUG->
1320 //txRetryTemp = byTxRetry;
1321 //PLICE_DEBUG <-
1322 pTxBufHead = (PSTxBufHead) pbyBuffer;
1323 if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0) {
1324 byFallBack = AUTO_FB_0;
1325 } else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1) {
1326 byFallBack = AUTO_FB_1;
1327 } else {
1328 byFallBack = AUTO_FB_NONE;
1329 }
1330 wRate = pTxBufHead->wReserved; //?wRate
1331
1332 // Only Unicast using support rates
1333 if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) {
1334 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1);
1335 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1336 pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1337 if ((byTsr1 & TSR1_TERR) == 0) {
1338 // transmit success, TxAttempts at least plus one
1339 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1340 if ((byFallBack == AUTO_FB_NONE) ||
1341 (wRate < RATE_18M)) {
1342 wFallBackRate = wRate;
1343 } else if (byFallBack == AUTO_FB_0) {
1344 //PLICE_DEBUG
1345 if (byTxRetry < 5)
1346 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1347 //wFallBackRate = awHWRetry0[wRate-RATE_12M][byTxRetry];
1348 //wFallBackRate = awHWRetry0[wRate-RATE_18M][txRetryTemp] +1;
1349 else
1350 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1351 //wFallBackRate = awHWRetry0[wRate-RATE_12M][4];
1352 } else if (byFallBack == AUTO_FB_1) {
1353 if (byTxRetry < 5)
1354 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1355 else
1356 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1357 }
1358 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1359 } else {
1360 pMgmt->sNodeDBTable[0].uTxFailures++;
1361 }
1362 pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1363 if (byTxRetry != 0) {
1364 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry;
1365 if ((byFallBack == AUTO_FB_NONE) ||
1366 (wRate < RATE_18M)) {
1367 pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry;
1368 } else if (byFallBack == AUTO_FB_0) {
1369 //PLICE_DEBUG
1370 for (ii = 0; ii < byTxRetry; ii++)
1371 //for (ii=0;ii<txRetryTemp;ii++)
1372 {
1373 if (ii < 5) {
1374 //PLICE_DEBUG
1375 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1376 //wFallBackRate = awHWRetry0[wRate-RATE_12M][ii];
1377 } else {
1378 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1379 //wFallBackRate = awHWRetry0[wRate-RATE_12M][4];
1380 }
1381 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1382 }
1383 } else if (byFallBack == AUTO_FB_1) {
1384 for (ii = 0; ii < byTxRetry; ii++) {
1385 if (ii < 5)
1386 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1387 else
1388 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1389 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1390 }
1391 }
1392 }
1393 }
1394
1395 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1396 (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1397 pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
1398
1399 if (BSSDBbIsSTAInNodeDB((void *)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)) {
1400 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1401 if ((byTsr1 & TSR1_TERR) == 0) {
1402 // transmit success, TxAttempts at least plus one
1403 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1404 if ((byFallBack == AUTO_FB_NONE) ||
1405 (wRate < RATE_18M)) {
1406 wFallBackRate = wRate;
1407 } else if (byFallBack == AUTO_FB_0) {
1408 if (byTxRetry < 5)
1409 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1410 else
1411 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1412 } else if (byFallBack == AUTO_FB_1) {
1413 if (byTxRetry < 5)
1414 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1415 else
1416 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1417 }
1418 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1419 } else {
1420 pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++;
1421 }
1422 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1423 if (byTxRetry != 0) {
1424 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry;
1425 if ((byFallBack == AUTO_FB_NONE) ||
1426 (wRate < RATE_18M)) {
1427 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry;
1428 } else if (byFallBack == AUTO_FB_0) {
1429 for (ii = 0; ii < byTxRetry; ii++) {
1430 if (ii < 5)
1431 wFallBackRate = awHWRetry0[wRate - RATE_18M][ii];
1432 else
1433 wFallBackRate = awHWRetry0[wRate - RATE_18M][4];
1434 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1435 }
1436 } else if (byFallBack == AUTO_FB_1) {
1437 for (ii = 0; ii < byTxRetry; ii++) {
1438 if (ii < 5)
1439 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1440 else
1441 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1442 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1443 }
1444 }
1445 }
1446 }
1447 }
1448 }
1449
1450 return;
1451 }
1452
1453 /*+
1454 *
1455 * Routine Description:
1456 * Clear Nodes & skb in DB Table
1457 *
1458 *
1459 * Parameters:
1460 * In:
1461 * hDeviceContext - The adapter context.
1462 * uStartIndex - starting index
1463 * Out:
1464 * none
1465 *
1466 * Return Value:
1467 * None.
1468 *
1469 -*/
1470
1471 void
1472 BSSvClearNodeDBTable(
1473 void *hDeviceContext,
1474 unsigned int uStartIndex
1475 )
1476
1477 {
1478 PSDevice pDevice = (PSDevice)hDeviceContext;
1479 PSMgmtObject pMgmt = pDevice->pMgmt;
1480 struct sk_buff *skb;
1481 unsigned int ii;
1482
1483 for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1484 if (pMgmt->sNodeDBTable[ii].bActive) {
1485 // check if sTxPSQueue has been initial
1486 if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1487 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
1488 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1489 dev_kfree_skb(skb);
1490 }
1491 }
1492 memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1493 }
1494 }
1495
1496 return;
1497 };
1498
1499 void s_vCheckSensitivity(
1500 void *hDeviceContext
1501 )
1502 {
1503 PSDevice pDevice = (PSDevice)hDeviceContext;
1504 PKnownBSS pBSSList = NULL;
1505 PSMgmtObject pMgmt = pDevice->pMgmt;
1506 int ii;
1507
1508 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) &&
1509 (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
1510 return;
1511 }
1512
1513 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1514 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1515 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1516 if (pBSSList != NULL) {
1517 // Updata BB Reg if RSSI is too strong.
1518 long LocalldBmAverage = 0;
1519 long uNumofdBm = 0;
1520 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1521 if (pBSSList->ldBmAverage[ii] != 0) {
1522 uNumofdBm++;
1523 LocalldBmAverage += pBSSList->ldBmAverage[ii];
1524 }
1525 }
1526 if (uNumofdBm > 0) {
1527 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1528 for (ii = 0; ii < BB_VGA_LEVEL; ii++) {
1529 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1530 if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1531 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1532 break;
1533 }
1534 }
1535 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1536 pDevice->uBBVGADiffCount++;
1537 if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1538 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1539 } else {
1540 pDevice->uBBVGADiffCount = 0;
1541 }
1542 }
1543 }
1544 }
1545 }
1546
1547 void
1548 BSSvClearAnyBSSJoinRecord(
1549 void *hDeviceContext
1550 )
1551 {
1552 PSDevice pDevice = (PSDevice)hDeviceContext;
1553 PSMgmtObject pMgmt = pDevice->pMgmt;
1554 unsigned int ii;
1555
1556 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
1557 pMgmt->sBSSList[ii].bSelected = false;
1558 }
1559 return;
1560 }
1561
1562 #ifdef Calcu_LinkQual
1563 void s_uCalculateLinkQual(
1564 void *hDeviceContext
1565 )
1566 {
1567 PSDevice pDevice = (PSDevice)hDeviceContext;
1568 unsigned long TxOkRatio, TxCnt;
1569 unsigned long RxOkRatio, RxCnt;
1570 unsigned long RssiRatio;
1571 long ldBm;
1572
1573 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1574 pDevice->scStatistic.TxRetryOkCount +
1575 pDevice->scStatistic.TxFailCount;
1576 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1577 pDevice->scStatistic.RxOkCnt;
1578 TxOkRatio = (TxCnt < 6) ? 4000 : ((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1579 RxOkRatio = (RxCnt < 6) ? 2000 : ((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1580 //decide link quality
1581 if (pDevice->bLinkPass != true) {
1582 pDevice->scStatistic.LinkQuality = 0;
1583 pDevice->scStatistic.SignalStren = 0;
1584 } else {
1585 RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
1586 if (-ldBm < 50) {
1587 RssiRatio = 4000;
1588 } else if (-ldBm > 90) {
1589 RssiRatio = 0;
1590 } else {
1591 RssiRatio = (40-(-ldBm-50))*4000/40;
1592 }
1593 pDevice->scStatistic.SignalStren = RssiRatio/40;
1594 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1595 }
1596 pDevice->scStatistic.RxFcsErrCnt = 0;
1597 pDevice->scStatistic.RxOkCnt = 0;
1598 pDevice->scStatistic.TxFailCount = 0;
1599 pDevice->scStatistic.TxNoRetryOkCount = 0;
1600 pDevice->scStatistic.TxRetryOkCount = 0;
1601 return;
1602 }
1603 #endif
1604
1605 void s_vCheckPreEDThreshold(
1606 void *hDeviceContext
1607 )
1608 {
1609 PSDevice pDevice = (PSDevice)hDeviceContext;
1610 PKnownBSS pBSSList = NULL;
1611 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1612
1613 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1614 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1615 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1616 if (pBSSList != NULL) {
1617 pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1);
1618 //BBvUpdatePreEDThreshold(pDevice, false);
1619 }
1620 }
1621 return;
1622 }
Linux with added FPC-III support