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wl1251: only call ieee80211_beacon_loss in managed mode
[linux-2.6/btrfs-unstable.git] / drivers / staging / vt6655 / bssdb.c
blobd7efd0173a9a42a6ddd810c631cecebae4f23215
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
68 const unsigned short awHWRetry0[5][5] = {
69 {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
70 {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
71 {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
72 {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
73 {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
74 };
75 const unsigned short awHWRetry1[5][5] = {
76 {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
77 {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
78 {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
79 {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
80 {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
81 };
82
83 /*--------------------- Static Functions --------------------------*/
84
85 void s_vCheckSensitivity(
86 void *hDeviceContext
87 );
88
89 #ifdef Calcu_LinkQual
90 void s_uCalculateLinkQual(
91 void *hDeviceContext
92 );
93 #endif
94
95 void s_vCheckPreEDThreshold(
96 void *hDeviceContext
97 );
98 /*--------------------- Export Variables --------------------------*/
99
100 /*--------------------- Export Functions --------------------------*/
101
102 /*+
103 *
104 * Routine Description:
105 * Search known BSS list for Desire SSID or BSSID.
106 *
107 * Return Value:
108 * PTR to KnownBSS or NULL
109 *
110 -*/
111
112 PKnownBSS
113 BSSpSearchBSSList(
114 void *hDeviceContext,
115 unsigned char *pbyDesireBSSID,
116 unsigned char *pbyDesireSSID,
117 CARD_PHY_TYPE ePhyType
118 )
119 {
120 PSDevice pDevice = (PSDevice)hDeviceContext;
121 PSMgmtObject pMgmt = pDevice->pMgmt;
122 unsigned char *pbyBSSID = NULL;
123 PWLAN_IE_SSID pSSID = NULL;
124 PKnownBSS pCurrBSS = NULL;
125 PKnownBSS pSelect = NULL;
126 unsigned char ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
127 unsigned int ii = 0;
128
129 if (pbyDesireBSSID != NULL) {
130 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
131 "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID);
132 if ((!is_broadcast_ether_addr(pbyDesireBSSID)) &&
133 (memcmp(pbyDesireBSSID, ZeroBSSID, 6) != 0))
134 pbyBSSID = pbyDesireBSSID;
135 }
136 if (pbyDesireSSID != NULL) {
137 if (((PWLAN_IE_SSID)pbyDesireSSID)->len != 0)
138 pSSID = (PWLAN_IE_SSID) pbyDesireSSID;
139 }
140
141 if (pbyBSSID != NULL) {
142 /* match BSSID first */
143 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
144 pCurrBSS = &(pMgmt->sBSSList[ii]);
145 if (!pDevice->bLinkPass)
146 pCurrBSS->bSelected = false;
147 if ((pCurrBSS->bActive) &&
148 (!pCurrBSS->bSelected)) {
149 if (ether_addr_equal(pCurrBSS->abyBSSID,
150 pbyBSSID)) {
151 if (pSSID != NULL) {
152 /* compare ssid */
153 if (!memcmp(pSSID->abySSID,
154 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
155 pSSID->len)) {
156 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
157 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
158 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
159 ) {
160 pCurrBSS->bSelected = true;
161 return pCurrBSS;
162 }
163 }
164 } else {
165 if ((pMgmt->eConfigMode == WMAC_CONFIG_AUTO) ||
166 ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) ||
167 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))
168 ) {
169 pCurrBSS->bSelected = true;
170 return pCurrBSS;
171 }
172 }
173 }
174 }
175 }
176 } else {
177 /* ignore BSSID */
178 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
179 pCurrBSS = &(pMgmt->sBSSList[ii]);
180 /* 2007-0721-01<Add>by MikeLiu */
181 pCurrBSS->bSelected = false;
182 if (pCurrBSS->bActive) {
183 if (pSSID != NULL) {
184 /* matched SSID */
185 if (!!memcmp(pSSID->abySSID,
186 ((PWLAN_IE_SSID)pCurrBSS->abySSID)->abySSID,
187 pSSID->len) ||
188 (pSSID->len != ((PWLAN_IE_SSID)pCurrBSS->abySSID)->len)) {
189 /* SSID not match skip this BSS */
190 continue;
191 }
192 }
193 if (((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) && WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) ||
194 ((pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA) && WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))
195 ) {
196 /* Type not match skip this BSS */
197 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSS type mismatch.... Config[%d] BSS[0x%04x]\n", pMgmt->eConfigMode, pCurrBSS->wCapInfo);
198 continue;
199 }
200
201 if (ePhyType != PHY_TYPE_AUTO) {
202 if (((ePhyType == PHY_TYPE_11A) && (PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse)) ||
203 ((ePhyType != PHY_TYPE_11A) && (PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) {
204 /* PhyType not match skip this BSS */
205 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Physical type mismatch.... ePhyType[%d] BSS[%d]\n", ePhyType, pCurrBSS->eNetworkTypeInUse);
206 continue;
207 }
208 }
209
210 if (pSelect == NULL) {
211 pSelect = pCurrBSS;
212 } else {
213 /* compare RSSI, select signal strong one */
214 if (pCurrBSS->uRSSI < pSelect->uRSSI)
215 pSelect = pCurrBSS;
216 }
217 }
218 }
219 if (pSelect != NULL) {
220 pSelect->bSelected = true;
221 return pSelect;
222 }
223 }
224 return NULL;
225 }
226
227 /*+
228 *
229 * Routine Description:
230 * Clear BSS List
231 *
232 * Return Value:
233 * None.
234 *
235 -*/
236
237 void
238 BSSvClearBSSList(
239 void *hDeviceContext,
240 bool bKeepCurrBSSID
241 )
242 {
243 PSDevice pDevice = (PSDevice)hDeviceContext;
244 PSMgmtObject pMgmt = pDevice->pMgmt;
245 unsigned int ii;
246
247 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
248 if (bKeepCurrBSSID) {
249 if (pMgmt->sBSSList[ii].bActive &&
250 ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID,
251 pMgmt->abyCurrBSSID)) {
252 continue;
253 }
254 }
255
256 if ((pMgmt->sBSSList[ii].bActive) && (pMgmt->sBSSList[ii].uClearCount < BSS_CLEAR_COUNT)) {
257 pMgmt->sBSSList[ii].uClearCount++;
258 continue;
259 }
260
261 pMgmt->sBSSList[ii].bActive = false;
262 memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS));
263 }
264 BSSvClearAnyBSSJoinRecord(pDevice);
265
266 return;
267 }
268
269 /*+
270 *
271 * Routine Description:
272 * search BSS list by BSSID & SSID if matched
273 *
274 * Return Value:
275 * true if found.
276 *
277 -*/
278 PKnownBSS
279 BSSpAddrIsInBSSList(
280 void *hDeviceContext,
281 unsigned char *abyBSSID,
282 PWLAN_IE_SSID pSSID
283 )
284 {
285 PSDevice pDevice = (PSDevice)hDeviceContext;
286 PSMgmtObject pMgmt = pDevice->pMgmt;
287 PKnownBSS pBSSList = NULL;
288 unsigned int ii;
289
290 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
291 pBSSList = &(pMgmt->sBSSList[ii]);
292 if (pBSSList->bActive) {
293 if (ether_addr_equal(pBSSList->abyBSSID, abyBSSID)) {
294 if (pSSID->len == ((PWLAN_IE_SSID)pBSSList->abySSID)->len) {
295 if (memcmp(pSSID->abySSID,
296 ((PWLAN_IE_SSID)pBSSList->abySSID)->abySSID,
297 pSSID->len) == 0)
298 return pBSSList;
299 }
300 }
301 }
302 }
303
304 return NULL;
305 };
306
307 /*+
308 *
309 * Routine Description:
310 * Insert a BSS set into known BSS list
311 *
312 * Return Value:
313 * true if success.
314 *
315 -*/
316
317 bool
318 BSSbInsertToBSSList(
319 void *hDeviceContext,
320 unsigned char *abyBSSIDAddr,
321 QWORD qwTimestamp,
322 unsigned short wBeaconInterval,
323 unsigned short wCapInfo,
324 unsigned char byCurrChannel,
325 PWLAN_IE_SSID pSSID,
326 PWLAN_IE_SUPP_RATES pSuppRates,
327 PWLAN_IE_SUPP_RATES pExtSuppRates,
328 PERPObject psERP,
329 PWLAN_IE_RSN pRSN,
330 PWLAN_IE_RSN_EXT pRSNWPA,
331 PWLAN_IE_COUNTRY pIE_Country,
332 PWLAN_IE_QUIET pIE_Quiet,
333 unsigned int uIELength,
334 unsigned char *pbyIEs,
335 void *pRxPacketContext
336 )
337 {
338 PSDevice pDevice = (PSDevice)hDeviceContext;
339 PSMgmtObject pMgmt = pDevice->pMgmt;
340 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
341 PKnownBSS pBSSList = NULL;
342 unsigned int ii;
343 bool bParsingQuiet = false;
344 PWLAN_IE_QUIET pQuiet = NULL;
345
346 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[0]);
347
348 for (ii = 0; ii < MAX_BSS_NUM; ii++) {
349 pBSSList = (PKnownBSS)&(pMgmt->sBSSList[ii]);
350 if (!pBSSList->bActive)
351 break;
352 }
353
354 if (ii == MAX_BSS_NUM) {
355 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Get free KnowBSS node failed.\n");
356 return false;
357 }
358 /* save the BSS info */
359 pBSSList->bActive = true;
360 memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN);
361 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
362 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
363 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
364 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
365 pBSSList->uClearCount = 0;
366
367 if (pSSID->len > WLAN_SSID_MAXLEN)
368 pSSID->len = WLAN_SSID_MAXLEN;
369 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
370
371 pBSSList->uChannel = byCurrChannel;
372
373 if (pSuppRates->len > WLAN_RATES_MAXLEN)
374 pSuppRates->len = WLAN_RATES_MAXLEN;
375 memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
376
377 if (pExtSuppRates != NULL) {
378 if (pExtSuppRates->len > WLAN_RATES_MAXLEN)
379 pExtSuppRates->len = WLAN_RATES_MAXLEN;
380 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
381 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", pExtSuppRates->len);
382
383 } else {
384 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
385 }
386 pBSSList->sERP.byERP = psERP->byERP;
387 pBSSList->sERP.bERPExist = psERP->bERPExist;
388
389 /* check if BSS is 802.11a/b/g */
390 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
391 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
392 } else {
393 if (pBSSList->sERP.bERPExist)
394 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
395 else
396 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
397 }
398
399 pBSSList->byRxRate = pRxPacket->byRxRate;
400 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
401 pBSSList->uRSSI = pRxPacket->uRSSI;
402 pBSSList->bySQ = pRxPacket->bySQ;
403
404 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
405 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
406 /* assoc with BSS */
407 if (pBSSList == pMgmt->pCurrBSS)
408 bParsingQuiet = true;
409 }
410
411 WPA_ClearRSN(pBSSList);
412
413 if (pRSNWPA != NULL) {
414 unsigned int uLen = pRSNWPA->len + 2;
415
416 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
417 pBSSList->wWPALen = uLen;
418 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
419 WPA_ParseRSN(pBSSList, pRSNWPA);
420 }
421 }
422
423 WPA2_ClearRSN(pBSSList);
424
425 if (pRSN != NULL) {
426 unsigned int uLen = pRSN->len + 2;
427 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
428 pBSSList->wRSNLen = uLen;
429 memcpy(pBSSList->byRSNIE, pRSN, uLen);
430 WPA2vParseRSN(pBSSList, pRSN);
431 }
432 }
433
434 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || pBSSList->bWPA2Valid) {
435 PSKeyItem pTransmitKey = NULL;
436 bool bIs802_1x = false;
437
438 for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) {
439 if (pBSSList->abyAKMSSAuthType[ii] == WLAN_11i_AKMSS_802_1X) {
440 bIs802_1x = true;
441 break;
442 }
443 }
444 if (bIs802_1x && (pSSID->len == ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->len) &&
445 (!memcmp(pSSID->abySSID, ((PWLAN_IE_SSID)pMgmt->abyDesireSSID)->abySSID, pSSID->len))) {
446 bAdd_PMKID_Candidate((void *)pDevice, pBSSList->abyBSSID, &pBSSList->sRSNCapObj);
447
448 if (pDevice->bLinkPass && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
449 if (KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, PAIRWISE_KEY, &pTransmitKey) ||
450 KeybGetTransmitKey(&(pDevice->sKey), pDevice->abyBSSID, GROUP_KEY, &pTransmitKey)) {
451 pDevice->gsPMKIDCandidate.StatusType = Ndis802_11StatusType_PMKID_CandidateList;
452 pDevice->gsPMKIDCandidate.Version = 1;
453
454 }
455
456 }
457 }
458 }
459
460 if (pDevice->bUpdateBBVGA) {
461 /* monitor if RSSI is too strong */
462 pBSSList->byRSSIStatCnt = 0;
463 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &pBSSList->ldBmMAX);
464 pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX;
465 for (ii = 1; ii < RSSI_STAT_COUNT; ii++)
466 pBSSList->ldBmAverage[ii] = 0;
467 }
468
469 if ((pIE_Country != NULL) && pMgmt->b11hEnable) {
470 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
471 pIE_Country);
472 }
473
474 if (bParsingQuiet && (pIE_Quiet != NULL)) {
475 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
476 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
477 /* valid EID */
478 if (pQuiet == NULL) {
479 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
480 CARDbSetQuiet(pMgmt->pAdapter,
481 true,
482 pQuiet->byQuietCount,
483 pQuiet->byQuietPeriod,
484 *((unsigned short *)pQuiet->abyQuietDuration),
485 *((unsigned short *)pQuiet->abyQuietOffset)
486 );
487 } else {
488 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
489 CARDbSetQuiet(pMgmt->pAdapter,
490 false,
491 pQuiet->byQuietCount,
492 pQuiet->byQuietPeriod,
493 *((unsigned short *)pQuiet->abyQuietDuration),
494 *((unsigned short *)pQuiet->abyQuietOffset)
495 );
496 }
497 }
498 }
499
500 if (bParsingQuiet && (pQuiet != NULL)) {
501 CARDbStartQuiet(pMgmt->pAdapter);
502 }
503
504 pBSSList->uIELength = uIELength;
505 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
506 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
507 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
508
509 return true;
510 }
511
512 /*+
513 *
514 * Routine Description:
515 * Update BSS set in known BSS list
516 *
517 * Return Value:
518 * true if success.
519 *
520 -*/
521 /* TODO: input structure modify */
522
523 bool
524 BSSbUpdateToBSSList(
525 void *hDeviceContext,
526 QWORD qwTimestamp,
527 unsigned short wBeaconInterval,
528 unsigned short wCapInfo,
529 unsigned char byCurrChannel,
530 bool bChannelHit,
531 PWLAN_IE_SSID pSSID,
532 PWLAN_IE_SUPP_RATES pSuppRates,
533 PWLAN_IE_SUPP_RATES pExtSuppRates,
534 PERPObject psERP,
535 PWLAN_IE_RSN pRSN,
536 PWLAN_IE_RSN_EXT pRSNWPA,
537 PWLAN_IE_COUNTRY pIE_Country,
538 PWLAN_IE_QUIET pIE_Quiet,
539 PKnownBSS pBSSList,
540 unsigned int uIELength,
541 unsigned char *pbyIEs,
542 void *pRxPacketContext
543 )
544 {
545 int ii;
546 PSDevice pDevice = (PSDevice)hDeviceContext;
547 PSMgmtObject pMgmt = pDevice->pMgmt;
548 PSRxMgmtPacket pRxPacket = (PSRxMgmtPacket)pRxPacketContext;
549 long ldBm;
550 bool bParsingQuiet = false;
551 PWLAN_IE_QUIET pQuiet = NULL;
552
553 if (pBSSList == NULL)
554 return false;
555
556 HIDWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(HIDWORD(qwTimestamp));
557 LODWORD(pBSSList->qwBSSTimestamp) = cpu_to_le32(LODWORD(qwTimestamp));
558 pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval);
559 pBSSList->wCapInfo = cpu_to_le16(wCapInfo);
560 pBSSList->uClearCount = 0;
561 pBSSList->uChannel = byCurrChannel;
562
563 if (pSSID->len > WLAN_SSID_MAXLEN)
564 pSSID->len = WLAN_SSID_MAXLEN;
565
566 if ((pSSID->len != 0) && (pSSID->abySSID[0] != 0))
567 memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN);
568 memcpy(pBSSList->abySuppRates, pSuppRates, pSuppRates->len + WLAN_IEHDR_LEN);
569
570 if (pExtSuppRates != NULL)
571 memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, pExtSuppRates->len + WLAN_IEHDR_LEN);
572 else
573 memset(pBSSList->abyExtSuppRates, 0, WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1);
574 pBSSList->sERP.byERP = psERP->byERP;
575 pBSSList->sERP.bERPExist = psERP->bERPExist;
576
577 /* check if BSS is 802.11a/b/g */
578 if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) {
579 pBSSList->eNetworkTypeInUse = PHY_TYPE_11A;
580 } else {
581 if (pBSSList->sERP.bERPExist)
582 pBSSList->eNetworkTypeInUse = PHY_TYPE_11G;
583 else
584 pBSSList->eNetworkTypeInUse = PHY_TYPE_11B;
585 }
586
587 pBSSList->byRxRate = pRxPacket->byRxRate;
588 pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF;
589 if (bChannelHit)
590 pBSSList->uRSSI = pRxPacket->uRSSI;
591 pBSSList->bySQ = pRxPacket->bySQ;
592
593 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
594 (pMgmt->eCurrState == WMAC_STATE_ASSOC)) {
595 /* assoc with BSS */
596 if (pBSSList == pMgmt->pCurrBSS)
597 bParsingQuiet = true;
598 }
599
600 WPA_ClearRSN(pBSSList); /* mike update */
601
602 if (pRSNWPA != NULL) {
603 unsigned int uLen = pRSNWPA->len + 2;
604 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSNWPA - pbyIEs))) {
605 pBSSList->wWPALen = uLen;
606 memcpy(pBSSList->byWPAIE, pRSNWPA, uLen);
607 WPA_ParseRSN(pBSSList, pRSNWPA);
608 }
609 }
610
611 WPA2_ClearRSN(pBSSList); /* mike update */
612
613 if (pRSN != NULL) {
614 unsigned int uLen = pRSN->len + 2;
615 if (uLen <= (uIELength - (unsigned int)((unsigned char *)pRSN - pbyIEs))) {
616 pBSSList->wRSNLen = uLen;
617 memcpy(pBSSList->byRSNIE, pRSN, uLen);
618 WPA2vParseRSN(pBSSList, pRSN);
619 }
620 }
621
622 if (pRxPacket->uRSSI != 0) {
623 RFvRSSITodBm(pDevice, (unsigned char)(pRxPacket->uRSSI), &ldBm);
624 /* monitor if RSSI is too strong */
625 pBSSList->byRSSIStatCnt++;
626 pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT;
627 pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm;
628 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
629 if (pBSSList->ldBmAverage[ii] != 0)
630 pBSSList->ldBmMAX = max(pBSSList->ldBmAverage[ii], ldBm);
631 }
632 }
633
634 if ((pIE_Country != NULL) && pMgmt->b11hEnable) {
635 set_country_info(pMgmt->pAdapter, pBSSList->eNetworkTypeInUse,
636 pIE_Country);
637 }
638
639 if (bParsingQuiet && (pIE_Quiet != NULL)) {
640 if ((((PWLAN_IE_QUIET)pIE_Quiet)->len == 8) &&
641 (((PWLAN_IE_QUIET)pIE_Quiet)->byQuietCount != 0)) {
642 /* valid EID */
643 if (pQuiet == NULL) {
644 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
645 CARDbSetQuiet(pMgmt->pAdapter,
646 true,
647 pQuiet->byQuietCount,
648 pQuiet->byQuietPeriod,
649 *((unsigned short *)pQuiet->abyQuietDuration),
650 *((unsigned short *)pQuiet->abyQuietOffset)
651 );
652 } else {
653 pQuiet = (PWLAN_IE_QUIET)pIE_Quiet;
654 CARDbSetQuiet(pMgmt->pAdapter,
655 false,
656 pQuiet->byQuietCount,
657 pQuiet->byQuietPeriod,
658 *((unsigned short *)pQuiet->abyQuietDuration),
659 *((unsigned short *)pQuiet->abyQuietOffset)
660 );
661 }
662 }
663 }
664
665 if (bParsingQuiet && (pQuiet != NULL)) {
666 CARDbStartQuiet(pMgmt->pAdapter);
667 }
668
669 pBSSList->uIELength = uIELength;
670 if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN)
671 pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN;
672 memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength);
673
674 return true;
675 }
676
677 /*+
678 *
679 * Routine Description:
680 * Search Node DB table to find the index of matched DstAddr
681 *
682 * Return Value:
683 * None
684 *
685 -*/
686
687 bool
688 BSSDBbIsSTAInNodeDB(void *pMgmtObject, unsigned char *abyDstAddr,
689 unsigned int *puNodeIndex)
690 {
691 PSMgmtObject pMgmt = (PSMgmtObject) pMgmtObject;
692 unsigned int ii;
693
694 /* Index = 0 reserved for AP Node */
695 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
696 if (pMgmt->sNodeDBTable[ii].bActive) {
697 if (ether_addr_equal(abyDstAddr,
698 pMgmt->sNodeDBTable[ii].abyMACAddr)) {
699 *puNodeIndex = ii;
700 return true;
701 }
702 }
703 }
704
705 return false;
706 };
707
708 /*+
709 *
710 * Routine Description:
711 * Find an empty node and allocat it; if there is no empty node,
712 * then use the most inactive one.
713 *
714 * Return Value:
715 * None
716 *
717 -*/
718 void
719 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex)
720 {
721 PSDevice pDevice = (PSDevice)hDeviceContext;
722 PSMgmtObject pMgmt = pDevice->pMgmt;
723 unsigned int ii;
724 unsigned int BigestCount = 0;
725 unsigned int SelectIndex;
726 struct sk_buff *skb;
727 /*
728 * Index = 0 reserved for AP Node (In STA mode)
729 * Index = 0 reserved for Broadcast/MultiCast (In AP mode)
730 */
731 SelectIndex = 1;
732 for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) {
733 if (pMgmt->sNodeDBTable[ii].bActive) {
734 if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) {
735 BigestCount = pMgmt->sNodeDBTable[ii].uInActiveCount;
736 SelectIndex = ii;
737 }
738 } else {
739 break;
740 }
741 }
742
743 /* if not found replace uInActiveCount is largest one */
744 if (ii == (MAX_NODE_NUM + 1)) {
745 *puNodeIndex = SelectIndex;
746 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Replace inactive node = %d\n", SelectIndex);
747 /* clear ps buffer */
748 if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next != NULL) {
749 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue)) != NULL)
750 dev_kfree_skb(skb);
751 }
752 } else {
753 *puNodeIndex = ii;
754 }
755
756 memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB));
757 pMgmt->sNodeDBTable[*puNodeIndex].bActive = true;
758 pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND;
759 /* for AP mode PS queue */
760 skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue);
761 pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0;
762 pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0;
763 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii);
764 return;
765 };
766
767 /*+
768 *
769 * Routine Description:
770 * Remove Node by NodeIndex
771 *
772 *
773 * Return Value:
774 * None
775 *
776 -*/
777 void
778 BSSvRemoveOneNode(
779 void *hDeviceContext,
780 unsigned int uNodeIndex
781 )
782 {
783 PSDevice pDevice = (PSDevice)hDeviceContext;
784 PSMgmtObject pMgmt = pDevice->pMgmt;
785 unsigned char byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
786 struct sk_buff *skb;
787
788 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue)) != NULL)
789 dev_kfree_skb(skb);
790 /* clear context */
791 memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB));
792 /* clear tx bit map */
793 pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7];
794
795 return;
796 };
797 /*+
798 *
799 * Routine Description:
800 * Update AP Node content in Index 0 of KnownNodeDB
801 *
802 *
803 * Return Value:
804 * None
805 *
806 -*/
807
808 void
809 BSSvUpdateAPNode(
810 void *hDeviceContext,
811 unsigned short *pwCapInfo,
812 PWLAN_IE_SUPP_RATES pSuppRates,
813 PWLAN_IE_SUPP_RATES pExtSuppRates
814 )
815 {
816 PSDevice pDevice = (PSDevice)hDeviceContext;
817 PSMgmtObject pMgmt = pDevice->pMgmt;
818 unsigned int uRateLen = WLAN_RATES_MAXLEN;
819
820 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
821
822 pMgmt->sNodeDBTable[0].bActive = true;
823 if (pDevice->eCurrentPHYType == PHY_TYPE_11B)
824 uRateLen = WLAN_RATES_MAXLEN_11B;
825 pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pSuppRates,
826 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
827 uRateLen);
828 pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES)pExtSuppRates,
829 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
830 uRateLen);
831 RATEvParseMaxRate((void *)pDevice,
832 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
833 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
834 true,
835 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
836 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
837 &(pMgmt->sNodeDBTable[0].wSuppRate),
838 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
839 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
840 );
841 memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
842 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate;
843 pMgmt->sNodeDBTable[0].bShortPreamble = WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo);
844 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
845 netdev_dbg(pDevice->dev, "BSSvUpdateAPNode:MaxSuppRate is %d\n",
846 pMgmt->sNodeDBTable[0].wMaxSuppRate);
847 /* auto rate fallback function initiation */
848 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pMgmt->sNodeDBTable[0].wTxDataRate = %d\n", pMgmt->sNodeDBTable[0].wTxDataRate);
849 };
850
851 /*+
852 *
853 * Routine Description:
854 * Add Multicast Node content in Index 0 of KnownNodeDB
855 *
856 *
857 * Return Value:
858 * None
859 *
860 -*/
861
862 void
863 BSSvAddMulticastNode(
864 void *hDeviceContext
865 )
866 {
867 PSDevice pDevice = (PSDevice)hDeviceContext;
868 PSMgmtObject pMgmt = pDevice->pMgmt;
869
870 if (!pDevice->bEnableHostWEP)
871 memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB));
872 memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN);
873 pMgmt->sNodeDBTable[0].bActive = true;
874 pMgmt->sNodeDBTable[0].bPSEnable = false;
875 skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue);
876 RATEvParseMaxRate((void *)pDevice,
877 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates,
878 (PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates,
879 true,
880 &(pMgmt->sNodeDBTable[0].wMaxBasicRate),
881 &(pMgmt->sNodeDBTable[0].wMaxSuppRate),
882 &(pMgmt->sNodeDBTable[0].wSuppRate),
883 &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate),
884 &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)
885 );
886 pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate;
887 netdev_dbg(pDevice->dev,
888 "BSSvAddMultiCastNode:pMgmt->sNodeDBTable[0].wTxDataRate is %d\n",
889 pMgmt->sNodeDBTable[0].wTxDataRate);
890 pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND;
891 };
892
893 /*+
894 *
895 * Routine Description:
896 *
897 *
898 * Second call back function to update Node DB info & AP link status
899 *
900 *
901 * Return Value:
902 * none.
903 *
904 -*/
905 /* 2008-4-14 <add> by chester for led issue */
906 #ifdef FOR_LED_ON_NOTEBOOK
907 bool cc = false;
908 unsigned int status;
909 #endif
910 void
911 BSSvSecondCallBack(
912 void *hDeviceContext
913 )
914 {
915 PSDevice pDevice = (PSDevice)hDeviceContext;
916 PSMgmtObject pMgmt = pDevice->pMgmt;
917 unsigned int ii;
918 PWLAN_IE_SSID pItemSSID, pCurrSSID;
919 unsigned int uSleepySTACnt = 0;
920 unsigned int uNonShortSlotSTACnt = 0;
921 unsigned int uLongPreambleSTACnt = 0;
922 viawget_wpa_header *wpahdr; /* DavidWang */
923
924 spin_lock_irq(&pDevice->lock);
925
926 pDevice->uAssocCount = 0;
927
928 pDevice->byERPFlag &=
929 ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1));
930 /* 2008-4-14 <add> by chester for led issue */
931 #ifdef FOR_LED_ON_NOTEBOOK
932 MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
933 if (((!(pDevice->byGPIO & GPIO0_DATA) && (!pDevice->bHWRadioOff)) ||
934 ((pDevice->byGPIO & GPIO0_DATA) && pDevice->bHWRadioOff)) &&
935 (!cc)) {
936 cc = true;
937 } else if (cc) {
938 if (pDevice->bHWRadioOff) {
939 if (!(pDevice->byGPIO & GPIO0_DATA)) {
940 if (status == 1)
941 goto start;
942 status = 1;
943 CARDbRadioPowerOff(pDevice);
944 pMgmt->sNodeDBTable[0].bActive = false;
945 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
946 pMgmt->eCurrState = WMAC_STATE_IDLE;
947 pDevice->bLinkPass = false;
948
949 }
950 if (pDevice->byGPIO & GPIO0_DATA) {
951 if (status == 2)
952 goto start;
953 status = 2;
954 CARDbRadioPowerOn(pDevice);
955 }
956 } else {
957 if (pDevice->byGPIO & GPIO0_DATA) {
958 if (status == 3)
959 goto start;
960 status = 3;
961 CARDbRadioPowerOff(pDevice);
962 pMgmt->sNodeDBTable[0].bActive = false;
963 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
964 pMgmt->eCurrState = WMAC_STATE_IDLE;
965 pDevice->bLinkPass = false;
966
967 }
968 if (!(pDevice->byGPIO & GPIO0_DATA)) {
969 if (status == 4)
970 goto start;
971 status = 4;
972 CARDbRadioPowerOn(pDevice);
973 }
974 }
975 }
976 start:
977 #endif
978
979 if (pDevice->wUseProtectCntDown > 0) {
980 pDevice->wUseProtectCntDown--;
981 } else {
982 /* disable protect mode */
983 pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1));
984 }
985
986 {
987 pDevice->byReAssocCount++;
988 /* 10 sec timeout */
989 if ((pDevice->byReAssocCount > 10) && (!pDevice->bLinkPass)) {
990 netdev_info(pDevice->dev, "Re-association timeout!!!\n");
991 pDevice->byReAssocCount = 0;
992 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
993 {
994 union iwreq_data wrqu;
995 memset(&wrqu, 0, sizeof(wrqu));
996 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
997 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
998 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
999 }
1000 #endif
1001 } else if (pDevice->bLinkPass)
1002 pDevice->byReAssocCount = 0;
1003 }
1004
1005 #ifdef Calcu_LinkQual
1006 s_uCalculateLinkQual((void *)pDevice);
1007 #endif
1008
1009 for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) {
1010 if (pMgmt->sNodeDBTable[ii].bActive) {
1011 /* increase in-activity counter */
1012 pMgmt->sNodeDBTable[ii].uInActiveCount++;
1013
1014 if (ii > 0) {
1015 if (pMgmt->sNodeDBTable[ii].uInActiveCount > MAX_INACTIVE_COUNT) {
1016 BSSvRemoveOneNode(pDevice, ii);
1017 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
1018 "Inactive timeout [%d] sec, STA index = [%d] remove\n", MAX_INACTIVE_COUNT, ii);
1019 continue;
1020 }
1021
1022 if (pMgmt->sNodeDBTable[ii].eNodeState >= NODE_ASSOC) {
1023 pDevice->uAssocCount++;
1024
1025 /* check if Non ERP exist */
1026 if (pMgmt->sNodeDBTable[ii].uInActiveCount < ERP_RECOVER_COUNT) {
1027 if (!pMgmt->sNodeDBTable[ii].bShortPreamble) {
1028 pDevice->byERPFlag |= WLAN_SET_ERP_BARKER_MODE(1);
1029 uLongPreambleSTACnt++;
1030 }
1031 if (!pMgmt->sNodeDBTable[ii].bERPExist) {
1032 pDevice->byERPFlag |= WLAN_SET_ERP_NONERP_PRESENT(1);
1033 pDevice->byERPFlag |= WLAN_SET_ERP_USE_PROTECTION(1);
1034 }
1035 if (!pMgmt->sNodeDBTable[ii].bShortSlotTime)
1036 uNonShortSlotSTACnt++;
1037 }
1038 }
1039
1040 /* check if any STA in PS mode */
1041 if (pMgmt->sNodeDBTable[ii].bPSEnable)
1042 uSleepySTACnt++;
1043
1044 }
1045
1046 /* rate fallback check */
1047 if (!pDevice->bFixRate) {
1048 if (ii > 0) {
1049 /* ii = 0 for multicast node (AP & Adhoc) */
1050 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1051 } else {
1052 /* ii = 0 reserved for unicast AP node (Infra STA) */
1053 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)
1054 netdev_dbg(pDevice->dev,
1055 "SecondCallback:Before:TxDataRate is %d\n",
1056 pMgmt->sNodeDBTable[0].wTxDataRate);
1057 RATEvTxRateFallBack((void *)pDevice, &(pMgmt->sNodeDBTable[ii]));
1058 netdev_dbg(pDevice->dev,
1059 "SecondCallback:After:TxDataRate is %d\n",
1060 pMgmt->sNodeDBTable[0].wTxDataRate);
1061
1062 }
1063
1064 }
1065
1066 /* check if pending PS queue */
1067 if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) {
1068 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Index= %d, Queue = %d pending\n",
1069 ii, pMgmt->sNodeDBTable[ii].wEnQueueCnt);
1070 if ((ii > 0) && (pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15)) {
1071 BSSvRemoveOneNode(pDevice, ii);
1072 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Pending many queues PS STA Index = %d remove\n", ii);
1073 continue;
1074 }
1075 }
1076 }
1077
1078 }
1079
1080 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->eCurrentPHYType == PHY_TYPE_11G)) {
1081 /* on/off protect mode */
1082 if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) {
1083 if (!pDevice->bProtectMode) {
1084 MACvEnableProtectMD(pDevice->PortOffset);
1085 pDevice->bProtectMode = true;
1086 }
1087 } else {
1088 if (pDevice->bProtectMode) {
1089 MACvDisableProtectMD(pDevice->PortOffset);
1090 pDevice->bProtectMode = false;
1091 }
1092 }
1093 /* on/off short slot time */
1094
1095 if (uNonShortSlotSTACnt > 0) {
1096 if (pDevice->bShortSlotTime) {
1097 pDevice->bShortSlotTime = false;
1098 BBvSetShortSlotTime(pDevice);
1099 vUpdateIFS((void *)pDevice);
1100 }
1101 } else {
1102 if (!pDevice->bShortSlotTime) {
1103 pDevice->bShortSlotTime = true;
1104 BBvSetShortSlotTime(pDevice);
1105 vUpdateIFS((void *)pDevice);
1106 }
1107 }
1108
1109 /* on/off barker long preamble mode */
1110
1111 if (uLongPreambleSTACnt > 0) {
1112 if (!pDevice->bBarkerPreambleMd) {
1113 MACvEnableBarkerPreambleMd(pDevice->PortOffset);
1114 pDevice->bBarkerPreambleMd = true;
1115 }
1116 } else {
1117 if (pDevice->bBarkerPreambleMd) {
1118 MACvDisableBarkerPreambleMd(pDevice->PortOffset);
1119 pDevice->bBarkerPreambleMd = false;
1120 }
1121 }
1122
1123 }
1124
1125 /* check if any STA in PS mode, enable DTIM multicast deliver */
1126 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
1127 if (uSleepySTACnt > 0)
1128 pMgmt->sNodeDBTable[0].bPSEnable = true;
1129 else
1130 pMgmt->sNodeDBTable[0].bPSEnable = false;
1131 }
1132
1133 pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID;
1134 pCurrSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID;
1135
1136 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
1137 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
1138 /* assoc with BSS */
1139 if (pMgmt->sNodeDBTable[0].bActive) {
1140 if (pDevice->bUpdateBBVGA)
1141 s_vCheckPreEDThreshold((void *)pDevice);
1142
1143 if ((pMgmt->sNodeDBTable[0].uInActiveCount >= (LOST_BEACON_COUNT/2)) &&
1144 (pDevice->byBBVGACurrent != pDevice->abyBBVGA[0])) {
1145 pDevice->byBBVGANew = pDevice->abyBBVGA[0];
1146 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1147 }
1148
1149 if (pMgmt->sNodeDBTable[0].uInActiveCount >= LOST_BEACON_COUNT) {
1150 pMgmt->sNodeDBTable[0].bActive = false;
1151 pMgmt->eCurrMode = WMAC_MODE_STANDBY;
1152 pMgmt->eCurrState = WMAC_STATE_IDLE;
1153 netif_stop_queue(pDevice->dev);
1154 pDevice->bLinkPass = false;
1155 pDevice->bRoaming = true;
1156 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1157 if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) {
1158 wpahdr = (viawget_wpa_header *)pDevice->skb->data;
1159 wpahdr->type = VIAWGET_DISASSOC_MSG;
1160 wpahdr->resp_ie_len = 0;
1161 wpahdr->req_ie_len = 0;
1162 skb_put(pDevice->skb, sizeof(viawget_wpa_header));
1163 pDevice->skb->dev = pDevice->wpadev;
1164 skb_reset_mac_header(pDevice->skb);
1165 pDevice->skb->pkt_type = PACKET_HOST;
1166 pDevice->skb->protocol = htons(ETH_P_802_2);
1167 memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb));
1168 netif_rx(pDevice->skb);
1169 pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1170 }
1171 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1172 {
1173 union iwreq_data wrqu;
1174 memset(&wrqu, 0, sizeof(wrqu));
1175 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1176 PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n");
1177 wireless_send_event(pDevice->dev, SIOCGIWAP, &wrqu, NULL);
1178 }
1179 #endif
1180 }
1181 } else if (pItemSSID->len != 0) {
1182 if (pDevice->uAutoReConnectTime < 10) {
1183 pDevice->uAutoReConnectTime++;
1184 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
1185 /*
1186 * network manager support need not do
1187 * Roaming scan???
1188 */
1189 if (pDevice->bWPASuppWextEnabled)
1190 pDevice->uAutoReConnectTime = 0;
1191 #endif
1192 } else {
1193 /*
1194 * mike use old encryption status
1195 * for wpa reauthentication
1196 */
1197 if (pDevice->bWPADEVUp)
1198 pDevice->eEncryptionStatus = pDevice->eOldEncryptionStatus;
1199
1200 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Roaming ...\n");
1201 BSSvClearBSSList((void *)pDevice, pDevice->bLinkPass);
1202 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1203 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID);
1204 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, pMgmt->abyDesireSSID);
1205 pDevice->uAutoReConnectTime = 0;
1206 }
1207 }
1208 }
1209
1210 if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) {
1211 /* if adhoc started which essid is NULL string, rescanning */
1212 if ((pMgmt->eCurrState == WMAC_STATE_STARTED) && (pCurrSSID->len == 0)) {
1213 if (pDevice->uAutoReConnectTime < 10) {
1214 pDevice->uAutoReConnectTime++;
1215 } else {
1216 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Adhoc re-scanning ...\n");
1217 pMgmt->eScanType = WMAC_SCAN_ACTIVE;
1218 bScheduleCommand((void *)pDevice, WLAN_CMD_BSSID_SCAN, NULL);
1219 bScheduleCommand((void *)pDevice, WLAN_CMD_SSID, NULL);
1220 pDevice->uAutoReConnectTime = 0;
1221 }
1222 }
1223 if (pMgmt->eCurrState == WMAC_STATE_JOINTED) {
1224 if (pDevice->bUpdateBBVGA)
1225 s_vCheckPreEDThreshold((void *)pDevice);
1226 if (pMgmt->sNodeDBTable[0].uInActiveCount >= ADHOC_LOST_BEACON_COUNT) {
1227 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "Lost other STA beacon [%d] sec, started !\n", pMgmt->sNodeDBTable[0].uInActiveCount);
1228 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
1229 pMgmt->eCurrState = WMAC_STATE_STARTED;
1230 netif_stop_queue(pDevice->dev);
1231 pDevice->bLinkPass = false;
1232 }
1233 }
1234 }
1235
1236 spin_unlock_irq(&pDevice->lock);
1237
1238 pMgmt->sTimerSecondCallback.expires = RUN_AT(HZ);
1239 add_timer(&pMgmt->sTimerSecondCallback);
1240 return;
1241 }
1242
1243 /*+
1244 *
1245 * Routine Description:
1246 *
1247 *
1248 * Update Tx attemps, Tx failure counter in Node DB
1249 *
1250 *
1251 * Return Value:
1252 * none.
1253 *
1254 -*/
1255
1256 void
1257 BSSvUpdateNodeTxCounter(
1258 void *hDeviceContext,
1259 unsigned char byTsr0,
1260 unsigned char byTsr1,
1261 unsigned char *pbyBuffer,
1262 unsigned int uFIFOHeaderSize
1263 )
1264 {
1265 PSDevice pDevice = (PSDevice)hDeviceContext;
1266 PSMgmtObject pMgmt = pDevice->pMgmt;
1267 unsigned int uNodeIndex = 0;
1268 unsigned char byTxRetry = (byTsr0 & TSR0_NCR);
1269 PSTxBufHead pTxBufHead;
1270 PS802_11Header pMACHeader;
1271 unsigned short wRate;
1272 unsigned short wFallBackRate = RATE_1M;
1273 unsigned char byFallBack;
1274 unsigned int ii;
1275 pTxBufHead = (PSTxBufHead) pbyBuffer;
1276 if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_0)
1277 byFallBack = AUTO_FB_0;
1278 else if (pTxBufHead->wFIFOCtl & FIFOCTL_AUTO_FB_1)
1279 byFallBack = AUTO_FB_1;
1280 else
1281 byFallBack = AUTO_FB_NONE;
1282 wRate = pTxBufHead->wReserved;
1283
1284 /* Only Unicast using support rates */
1285 if (pTxBufHead->wFIFOCtl & FIFOCTL_NEEDACK) {
1286 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wRate %04X, byTsr0 %02X, byTsr1 %02X\n", wRate, byTsr0, byTsr1);
1287 if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) {
1288 pMgmt->sNodeDBTable[0].uTxAttempts += 1;
1289 if ((byTsr1 & TSR1_TERR) == 0) {
1290 /* transmit success, TxAttempts at least plus one */
1291 pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++;
1292 if ((byFallBack == AUTO_FB_NONE) ||
1293 (wRate < RATE_18M)) {
1294 wFallBackRate = wRate;
1295 } else if (byFallBack == AUTO_FB_0) {
1296 if (byTxRetry < 5)
1297 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1298 else
1299 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1300 } else if (byFallBack == AUTO_FB_1) {
1301 if (byTxRetry < 5)
1302 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1303 else
1304 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1305 }
1306 pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++;
1307 } else {
1308 pMgmt->sNodeDBTable[0].uTxFailures++;
1309 }
1310 pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry;
1311 if (byTxRetry != 0) {
1312 pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry;
1313 if ((byFallBack == AUTO_FB_NONE) ||
1314 (wRate < RATE_18M)) {
1315 pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry;
1316 } else if (byFallBack == AUTO_FB_0) {
1317 for (ii = 0; ii < byTxRetry; ii++) {
1318 if (ii < 5)
1319 wFallBackRate = awHWRetry0[wRate-RATE_18M][ii];
1320 else
1321 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1322 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1323 }
1324 } else if (byFallBack == AUTO_FB_1) {
1325 for (ii = 0; ii < byTxRetry; ii++) {
1326 if (ii < 5)
1327 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1328 else
1329 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1330 pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++;
1331 }
1332 }
1333 }
1334 }
1335
1336 if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ||
1337 (pMgmt->eCurrMode == WMAC_MODE_ESS_AP)) {
1338 pMACHeader = (PS802_11Header)(pbyBuffer + uFIFOHeaderSize);
1339
1340 if (BSSDBbIsSTAInNodeDB((void *)pMgmt, &(pMACHeader->abyAddr1[0]), &uNodeIndex)) {
1341 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1;
1342 if ((byTsr1 & TSR1_TERR) == 0) {
1343 /* transmit success, TxAttempts at least plus one */
1344 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++;
1345 if ((byFallBack == AUTO_FB_NONE) ||
1346 (wRate < RATE_18M)) {
1347 wFallBackRate = wRate;
1348 } else if (byFallBack == AUTO_FB_0) {
1349 if (byTxRetry < 5)
1350 wFallBackRate = awHWRetry0[wRate-RATE_18M][byTxRetry];
1351 else
1352 wFallBackRate = awHWRetry0[wRate-RATE_18M][4];
1353 } else if (byFallBack == AUTO_FB_1) {
1354 if (byTxRetry < 5)
1355 wFallBackRate = awHWRetry1[wRate-RATE_18M][byTxRetry];
1356 else
1357 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1358 }
1359 pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++;
1360 } else {
1361 pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++;
1362 }
1363 pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry;
1364 if (byTxRetry != 0) {
1365 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry;
1366 if ((byFallBack == AUTO_FB_NONE) ||
1367 (wRate < RATE_18M)) {
1368 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry;
1369 } else if (byFallBack == AUTO_FB_0) {
1370 for (ii = 0; ii < byTxRetry; ii++) {
1371 if (ii < 5)
1372 wFallBackRate = awHWRetry0[wRate - RATE_18M][ii];
1373 else
1374 wFallBackRate = awHWRetry0[wRate - RATE_18M][4];
1375 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1376 }
1377 } else if (byFallBack == AUTO_FB_1) {
1378 for (ii = 0; ii < byTxRetry; ii++) {
1379 if (ii < 5)
1380 wFallBackRate = awHWRetry1[wRate-RATE_18M][ii];
1381 else
1382 wFallBackRate = awHWRetry1[wRate-RATE_18M][4];
1383 pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++;
1384 }
1385 }
1386 }
1387 }
1388 }
1389 }
1390
1391 return;
1392 }
1393
1394 /*+
1395 *
1396 * Routine Description:
1397 * Clear Nodes & skb in DB Table
1398 *
1399 *
1400 * Parameters:
1401 * In:
1402 * hDeviceContext - The adapter context.
1403 * uStartIndex - starting index
1404 * Out:
1405 * none
1406 *
1407 * Return Value:
1408 * None.
1409 *
1410 -*/
1411
1412 void
1413 BSSvClearNodeDBTable(
1414 void *hDeviceContext,
1415 unsigned int uStartIndex
1416 )
1417
1418 {
1419 PSDevice pDevice = (PSDevice)hDeviceContext;
1420 PSMgmtObject pMgmt = pDevice->pMgmt;
1421 struct sk_buff *skb;
1422 unsigned int ii;
1423
1424 for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) {
1425 if (pMgmt->sNodeDBTable[ii].bActive) {
1426 /* check if sTxPSQueue has been initial */
1427 if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next != NULL) {
1428 while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue)) != NULL) {
1429 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "PS skb != NULL %d\n", ii);
1430 dev_kfree_skb(skb);
1431 }
1432 }
1433 memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB));
1434 }
1435 }
1436
1437 return;
1438 };
1439
1440 void s_vCheckSensitivity(
1441 void *hDeviceContext
1442 )
1443 {
1444 PSDevice pDevice = (PSDevice)hDeviceContext;
1445 PKnownBSS pBSSList = NULL;
1446 PSMgmtObject pMgmt = pDevice->pMgmt;
1447 int ii;
1448
1449 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) && (pDevice->byRFType == RF_RFMD2959) &&
1450 (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
1451 return;
1452 }
1453
1454 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1455 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1456 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1457 if (pBSSList != NULL) {
1458 /* Update BB Reg if RSSI is too strong */
1459 long LocalldBmAverage = 0;
1460 long uNumofdBm = 0;
1461 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
1462 if (pBSSList->ldBmAverage[ii] != 0) {
1463 uNumofdBm++;
1464 LocalldBmAverage += pBSSList->ldBmAverage[ii];
1465 }
1466 }
1467 if (uNumofdBm > 0) {
1468 LocalldBmAverage = LocalldBmAverage/uNumofdBm;
1469 for (ii = 0; ii < BB_VGA_LEVEL; ii++) {
1470 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "LocalldBmAverage:%ld, %ld %02x\n", LocalldBmAverage, pDevice->ldBmThreshold[ii], pDevice->abyBBVGA[ii]);
1471 if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) {
1472 pDevice->byBBVGANew = pDevice->abyBBVGA[ii];
1473 break;
1474 }
1475 }
1476 if (pDevice->byBBVGANew != pDevice->byBBVGACurrent) {
1477 pDevice->uBBVGADiffCount++;
1478 if (pDevice->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD)
1479 bScheduleCommand((void *)pDevice, WLAN_CMD_CHANGE_BBSENSITIVITY, NULL);
1480 } else {
1481 pDevice->uBBVGADiffCount = 0;
1482 }
1483 }
1484 }
1485 }
1486 }
1487
1488 void
1489 BSSvClearAnyBSSJoinRecord(
1490 void *hDeviceContext
1491 )
1492 {
1493 PSDevice pDevice = (PSDevice)hDeviceContext;
1494 PSMgmtObject pMgmt = pDevice->pMgmt;
1495 unsigned int ii;
1496
1497 for (ii = 0; ii < MAX_BSS_NUM; ii++)
1498 pMgmt->sBSSList[ii].bSelected = false;
1499 return;
1500 }
1501
1502 #ifdef Calcu_LinkQual
1503 void s_uCalculateLinkQual(
1504 void *hDeviceContext
1505 )
1506 {
1507 PSDevice pDevice = (PSDevice)hDeviceContext;
1508 unsigned long TxOkRatio, TxCnt;
1509 unsigned long RxOkRatio, RxCnt;
1510 unsigned long RssiRatio;
1511 long ldBm;
1512
1513 TxCnt = pDevice->scStatistic.TxNoRetryOkCount +
1514 pDevice->scStatistic.TxRetryOkCount +
1515 pDevice->scStatistic.TxFailCount;
1516 RxCnt = pDevice->scStatistic.RxFcsErrCnt +
1517 pDevice->scStatistic.RxOkCnt;
1518 TxOkRatio = (TxCnt < 6) ? 4000 : ((pDevice->scStatistic.TxNoRetryOkCount * 4000) / TxCnt);
1519 RxOkRatio = (RxCnt < 6) ? 2000 : ((pDevice->scStatistic.RxOkCnt * 2000) / RxCnt);
1520 /* decide link quality */
1521 if (!pDevice->bLinkPass) {
1522 pDevice->scStatistic.LinkQuality = 0;
1523 pDevice->scStatistic.SignalStren = 0;
1524 } else {
1525 RFvRSSITodBm(pDevice, (unsigned char)(pDevice->uCurrRSSI), &ldBm);
1526 if (-ldBm < 50)
1527 RssiRatio = 4000;
1528 else if (-ldBm > 90)
1529 RssiRatio = 0;
1530 else
1531 RssiRatio = (40-(-ldBm-50))*4000/40;
1532 pDevice->scStatistic.SignalStren = RssiRatio/40;
1533 pDevice->scStatistic.LinkQuality = (RssiRatio+TxOkRatio+RxOkRatio)/100;
1534 }
1535 pDevice->scStatistic.RxFcsErrCnt = 0;
1536 pDevice->scStatistic.RxOkCnt = 0;
1537 pDevice->scStatistic.TxFailCount = 0;
1538 pDevice->scStatistic.TxNoRetryOkCount = 0;
1539 pDevice->scStatistic.TxRetryOkCount = 0;
1540 return;
1541 }
1542 #endif
1543
1544 void s_vCheckPreEDThreshold(
1545 void *hDeviceContext
1546 )
1547 {
1548 PSDevice pDevice = (PSDevice)hDeviceContext;
1549 PKnownBSS pBSSList = NULL;
1550 PSMgmtObject pMgmt = &(pDevice->sMgmtObj);
1551
1552 if ((pMgmt->eCurrState == WMAC_STATE_ASSOC) ||
1553 ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) && (pMgmt->eCurrState == WMAC_STATE_JOINTED))) {
1554 pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, (PWLAN_IE_SSID)pMgmt->abyCurrSSID);
1555 if (pBSSList != NULL)
1556 pDevice->byBBPreEDRSSI = (unsigned char) (~(pBSSList->ldBmAverRange) + 1);
1557 }
1558 return;
1559 }
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