Commit | Line | Data |
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92b96797 FB |
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: | |
0863b4e2 SS |
24 | * BSSpSearchBSSList - Search known BSS list for Desire SSID or BSSID |
25 | * BSSvClearBSSList - Clear BSS List | |
26 | * BSSbInsertToBSSList - Insert a BSS set into known BSS list | |
27 | * BSSbUpdateToBSSList - Update BSS set in known BSS list | |
28 | * BSSbIsSTAInNodeDB - Search Node DB table to find the index of matched DstAddr | |
29 | * BSSvCreateOneNode - Allocate an Node for Node DB | |
30 | * BSSvUpdateAPNode - Update AP Node content in Index 0 of KnownNodeDB | |
31 | * BSSvSecondCallBack - One second timer callback function to update Node DB info & AP link status | |
32 | * BSSvUpdateNodeTxCounter - Update Tx attemps, Tx failure counter in Node DB for auto-fallback rate control | |
92b96797 FB |
33 | * |
34 | * Revision History: | |
35 | * | |
36 | * Author: Lyndon Chen | |
37 | * | |
38 | * Date: July 17, 2002 | |
92b96797 FB |
39 | */ |
40 | ||
92b96797 | 41 | #include "tmacro.h" |
92b96797 | 42 | #include "tether.h" |
92b96797 | 43 | #include "device.h" |
92b96797 | 44 | #include "80211hdr.h" |
92b96797 | 45 | #include "bssdb.h" |
92b96797 | 46 | #include "wmgr.h" |
92b96797 | 47 | #include "datarate.h" |
92b96797 | 48 | #include "desc.h" |
92b96797 | 49 | #include "wcmd.h" |
92b96797 | 50 | #include "wpa.h" |
92b96797 | 51 | #include "baseband.h" |
92b96797 | 52 | #include "rf.h" |
92b96797 | 53 | #include "card.h" |
92b96797 | 54 | #include "mac.h" |
92b96797 | 55 | #include "wpa2.h" |
62c8526d | 56 | #include "usbpipe.h" |
92b96797 | 57 | #include "iowpa.h" |
60cc2747 | 58 | #include "power.h" |
92b96797 | 59 | |
e435ef16 SS |
60 | static int msglevel = MSG_LEVEL_INFO; |
61 | /* static int msglevel = MSG_LEVEL_DEBUG; */ | |
0863b4e2 SS |
62 | |
63 | static const u16 awHWRetry0[5][5] = { | |
64 | {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M}, | |
65 | {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M}, | |
66 | {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M}, | |
67 | {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M}, | |
68 | {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M} | |
69 | }; | |
70 | static const u16 awHWRetry1[5][5] = { | |
71 | {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M}, | |
72 | {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M}, | |
73 | {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M}, | |
74 | {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M}, | |
75 | {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M} | |
76 | }; | |
92b96797 | 77 | |
d56131de MP |
78 | static void s_vCheckSensitivity(struct vnt_private *pDevice); |
79 | static void s_vCheckPreEDThreshold(struct vnt_private *pDevice); | |
80 | static void s_uCalculateLinkQual(struct vnt_private *pDevice); | |
0cbd8d98 | 81 | |
14feab17 | 82 | /* |
92b96797 | 83 | * Routine Description: |
0863b4e2 | 84 | * Search known BSS list for Desire SSID or BSSID. |
92b96797 FB |
85 | * |
86 | * Return Value: | |
0863b4e2 | 87 | * PTR to KnownBSS or NULL |
14feab17 | 88 | */ |
d56131de | 89 | PKnownBSS BSSpSearchBSSList(struct vnt_private *pDevice, |
0863b4e2 SS |
90 | u8 *pbyDesireBSSID, u8 *pbyDesireSSID, |
91 | CARD_PHY_TYPE ePhyType) | |
92b96797 | 92 | { |
d56131de MP |
93 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
94 | u8 *pbyBSSID = NULL; | |
95 | PWLAN_IE_SSID pSSID = NULL; | |
96 | PKnownBSS pCurrBSS = NULL; | |
97 | PKnownBSS pSelect = NULL; | |
98 | u8 ZeroBSSID[WLAN_BSSID_LEN] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; | |
99 | int ii = 0; | |
100 | int jj = 0; | |
101 | ||
5918ed42 | 102 | if (pbyDesireBSSID) { |
d3cc13a2 AS |
103 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO |
104 | "BSSpSearchBSSList BSSID[%pM]\n", pbyDesireBSSID); | |
72cac302 | 105 | if (!is_broadcast_ether_addr(pbyDesireBSSID) && |
98e54917 SS |
106 | memcmp(pbyDesireBSSID, ZeroBSSID, 6) != 0) |
107 | pbyBSSID = pbyDesireBSSID; | |
0863b4e2 | 108 | } |
5918ed42 | 109 | if (pbyDesireSSID && |
72cac302 | 110 | ((PWLAN_IE_SSID) pbyDesireSSID)->len != 0) |
8f284d79 | 111 | pSSID = (PWLAN_IE_SSID) pbyDesireSSID; |
0863b4e2 | 112 | |
5918ed42 | 113 | if (pbyBSSID && pDevice->bRoaming == false) { |
14feab17 | 114 | /* match BSSID first */ |
e435ef16 | 115 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
0863b4e2 SS |
116 | pCurrBSS = &(pMgmt->sBSSList[ii]); |
117 | ||
118 | pCurrBSS->bSelected = false; | |
119 | ||
72cac302 SR |
120 | if (pCurrBSS->bActive && |
121 | pCurrBSS->bSelected == false && | |
122 | ether_addr_equal(pCurrBSS->abyBSSID, pbyBSSID)) { | |
5918ed42 | 123 | if (pSSID) { |
8f284d79 | 124 | /* compare ssid */ |
72cac302 | 125 | if (!memcmp(pSSID->abySSID, |
8f284d79 | 126 | ((PWLAN_IE_SSID) pCurrBSS->abySSID)->abySSID, |
72cac302 SR |
127 | pSSID->len) && |
128 | (pMgmt->eConfigMode == WMAC_CONFIG_AUTO || | |
129 | (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA && | |
8f284d79 | 130 | WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || |
72cac302 | 131 | (pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA && |
8f284d79 SS |
132 | WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)))) { |
133 | ||
fd2251e2 SS |
134 | pCurrBSS->bSelected = true; |
135 | return pCurrBSS; | |
0863b4e2 | 136 | } |
72cac302 | 137 | } else if (pMgmt->eConfigMode == WMAC_CONFIG_AUTO || |
98e54917 SS |
138 | (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA && |
139 | WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo)) || | |
140 | (pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA && | |
141 | WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo))) { | |
8f284d79 SS |
142 | pCurrBSS->bSelected = true; |
143 | return pCurrBSS; | |
0863b4e2 SS |
144 | } |
145 | } | |
146 | } | |
147 | } else { | |
14feab17 | 148 | /* ignore BSSID */ |
e435ef16 | 149 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
0863b4e2 SS |
150 | pCurrBSS = &(pMgmt->sBSSList[ii]); |
151 | ||
14feab17 SS |
152 | /* 2007-0721-01<Mark>by MikeLiu |
153 | * if ((pCurrBSS->bActive) && | |
154 | * (pCurrBSS->bSelected == false)) { */ | |
0863b4e2 SS |
155 | |
156 | pCurrBSS->bSelected = false; | |
157 | if (pCurrBSS->bActive) { | |
158 | ||
5918ed42 | 159 | if (pSSID && |
8f284d79 SS |
160 | /* matched SSID */ |
161 | (memcmp(pSSID->abySSID, | |
162 | ((PWLAN_IE_SSID) pCurrBSS->abySSID)->abySSID, | |
163 | pSSID->len) || | |
72cac302 SR |
164 | pSSID->len != |
165 | ((PWLAN_IE_SSID) pCurrBSS->abySSID)->len)) { | |
8f284d79 SS |
166 | /* SSID not match skip this BSS */ |
167 | continue; | |
0863b4e2 | 168 | } |
8f284d79 | 169 | |
98e54917 SS |
170 | if ((pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA && |
171 | WLAN_GET_CAP_INFO_ESS(pCurrBSS->wCapInfo)) || | |
172 | (pMgmt->eConfigMode == WMAC_CONFIG_ESS_STA && | |
173 | WLAN_GET_CAP_INFO_IBSS(pCurrBSS->wCapInfo))) { | |
14feab17 | 174 | /* Type not match skip this BSS */ |
98e54917 SS |
175 | DBG_PRT(MSG_LEVEL_DEBUG, |
176 | KERN_INFO "BSS type mismatch.... Config[%d] BSS[0x%04x]\n", | |
177 | pMgmt->eConfigMode, | |
178 | pCurrBSS->wCapInfo); | |
0863b4e2 SS |
179 | continue; |
180 | } | |
181 | ||
72cac302 SR |
182 | if (ePhyType != PHY_TYPE_AUTO && |
183 | ((ePhyType == PHY_TYPE_11A && | |
184 | PHY_TYPE_11A != pCurrBSS->eNetworkTypeInUse) || | |
185 | (ePhyType != PHY_TYPE_11A && | |
186 | PHY_TYPE_11A == pCurrBSS->eNetworkTypeInUse))) { | |
8f284d79 | 187 | /* PhyType not match skip this BSS */ |
98e54917 SS |
188 | DBG_PRT(MSG_LEVEL_DEBUG, |
189 | KERN_INFO "Physical type mismatch.... ePhyType[%d] BSS[%d]\n", | |
190 | ePhyType, | |
191 | pCurrBSS->eNetworkTypeInUse); | |
8f284d79 | 192 | continue; |
0863b4e2 SS |
193 | } |
194 | ||
195 | pMgmt->pSameBSS[jj].uChannel = pCurrBSS->uChannel; | |
196 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO | |
197 | "BSSpSearchBSSList pSelect1[%pM]\n", | |
198 | pCurrBSS->abyBSSID); | |
199 | jj++; | |
200 | ||
5918ed42 | 201 | if (!pSelect) |
0863b4e2 | 202 | pSelect = pCurrBSS; |
fd2251e2 | 203 | /* compare RSSI, select the strongest signal */ |
b7fce6ae | 204 | else if (pCurrBSS->uRSSI < pSelect->uRSSI) |
fd2251e2 | 205 | pSelect = pCurrBSS; |
0863b4e2 SS |
206 | } |
207 | } | |
208 | ||
209 | pDevice->bSameBSSMaxNum = jj; | |
210 | ||
5918ed42 | 211 | if (pSelect) { |
0863b4e2 | 212 | pSelect->bSelected = true; |
b7fce6ae | 213 | if (pDevice->bRoaming == false) { |
14feab17 | 214 | /* Einsn Add @20070907 */ |
b7fce6ae SS |
215 | memcpy(pbyDesireSSID, |
216 | pCurrBSS->abySSID, | |
217 | WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); | |
0863b4e2 SS |
218 | } |
219 | ||
e435ef16 | 220 | return pSelect; |
0863b4e2 SS |
221 | } |
222 | } | |
e435ef16 | 223 | return NULL; |
92b96797 FB |
224 | |
225 | } | |
226 | ||
14feab17 | 227 | /* |
92b96797 | 228 | * Routine Description: |
0863b4e2 | 229 | * Clear BSS List |
92b96797 FB |
230 | * |
231 | * Return Value: | |
0863b4e2 | 232 | * None. |
14feab17 | 233 | */ |
d56131de | 234 | void BSSvClearBSSList(struct vnt_private *pDevice, int bKeepCurrBSSID) |
92b96797 | 235 | { |
d56131de MP |
236 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
237 | int ii; | |
92b96797 | 238 | |
0863b4e2 | 239 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
8f284d79 SS |
240 | if (bKeepCurrBSSID && |
241 | pMgmt->sBSSList[ii].bActive && | |
242 | ether_addr_equal(pMgmt->sBSSList[ii].abyBSSID, | |
98e54917 | 243 | pMgmt->abyCurrBSSID)) { |
8f284d79 SS |
244 | |
245 | /* mike mark: | |
246 | * there are two BSSID's in list. If that AP is | |
247 | * in hidden ssid mode, one SSID is null, but | |
248 | * other's might not be obvious, so if it | |
249 | * associate's with your STA, you must keep the | |
250 | * two of them!! bKeepCurrBSSID = false; | |
251 | */ | |
252 | ||
253 | continue; | |
0863b4e2 SS |
254 | } |
255 | ||
256 | pMgmt->sBSSList[ii].bActive = false; | |
257 | memset(&pMgmt->sBSSList[ii], 0, sizeof(KnownBSS)); | |
258 | } | |
259 | BSSvClearAnyBSSJoinRecord(pDevice); | |
92b96797 FB |
260 | } |
261 | ||
14feab17 | 262 | /* |
92b96797 | 263 | * Routine Description: |
0863b4e2 | 264 | * search BSS list by BSSID & SSID if matched |
92b96797 FB |
265 | * |
266 | * Return Value: | |
0863b4e2 | 267 | * true if found. |
14feab17 | 268 | */ |
d56131de | 269 | PKnownBSS BSSpAddrIsInBSSList(struct vnt_private *pDevice, |
0863b4e2 SS |
270 | u8 *abyBSSID, |
271 | PWLAN_IE_SSID pSSID) | |
92b96797 | 272 | { |
d56131de MP |
273 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
274 | PKnownBSS pBSSList = NULL; | |
275 | int ii; | |
92b96797 | 276 | |
0863b4e2 SS |
277 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
278 | pBSSList = &(pMgmt->sBSSList[ii]); | |
72cac302 SR |
279 | if (pBSSList->bActive && |
280 | ether_addr_equal(pBSSList->abyBSSID, abyBSSID) && | |
281 | pSSID->len == ((PWLAN_IE_SSID) pBSSList->abySSID)->len && | |
282 | memcmp(pSSID->abySSID, | |
8f284d79 | 283 | ((PWLAN_IE_SSID) pBSSList->abySSID)->abySSID, |
72cac302 | 284 | pSSID->len) == 0) |
8f284d79 | 285 | return pBSSList; |
0863b4e2 SS |
286 | } |
287 | ||
288 | return NULL; | |
13a36fe9 | 289 | } |
92b96797 | 290 | |
14feab17 | 291 | /* |
92b96797 | 292 | * Routine Description: |
0863b4e2 | 293 | * Insert a BSS set into known BSS list |
92b96797 FB |
294 | * |
295 | * Return Value: | |
0863b4e2 | 296 | * true if success. |
14feab17 | 297 | */ |
d56131de MP |
298 | int BSSbInsertToBSSList(struct vnt_private *pDevice, |
299 | u8 *abyBSSIDAddr, | |
7c65fa2a | 300 | u64 qwTimestamp, |
d56131de MP |
301 | u16 wBeaconInterval, |
302 | u16 wCapInfo, | |
303 | u8 byCurrChannel, | |
304 | PWLAN_IE_SSID pSSID, | |
305 | PWLAN_IE_SUPP_RATES pSuppRates, | |
306 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
307 | PERPObject psERP, | |
308 | PWLAN_IE_RSN pRSN, | |
309 | PWLAN_IE_RSN_EXT pRSNWPA, | |
310 | PWLAN_IE_COUNTRY pIE_Country, | |
311 | PWLAN_IE_QUIET pIE_Quiet, | |
312 | u32 uIELength, | |
313 | u8 *pbyIEs, | |
314 | void *pRxPacketContext) | |
92b96797 | 315 | { |
d56131de MP |
316 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
317 | struct vnt_rx_mgmt *pRxPacket = | |
77226ed7 | 318 | (struct vnt_rx_mgmt *) pRxPacketContext; |
d56131de MP |
319 | PKnownBSS pBSSList = NULL; |
320 | unsigned int ii; | |
e269fc2d | 321 | bool bParsingQuiet = false; |
92b96797 | 322 | |
77226ed7 | 323 | pBSSList = (PKnownBSS) &(pMgmt->sBSSList[0]); |
0863b4e2 SS |
324 | |
325 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { | |
77226ed7 | 326 | pBSSList = (PKnownBSS) &(pMgmt->sBSSList[ii]); |
0863b4e2 SS |
327 | if (!pBSSList->bActive) |
328 | break; | |
329 | } | |
330 | ||
77226ed7 | 331 | if (ii == MAX_BSS_NUM) { |
98e54917 SS |
332 | DBG_PRT(MSG_LEVEL_DEBUG, |
333 | KERN_INFO "Get free KnowBSS node failed.\n"); | |
0863b4e2 SS |
334 | return false; |
335 | } | |
14feab17 | 336 | /* save the BSS info */ |
0863b4e2 | 337 | pBSSList->bActive = true; |
77226ed7 | 338 | memcpy(pBSSList->abyBSSID, abyBSSIDAddr, WLAN_BSSID_LEN); |
7c65fa2a | 339 | pBSSList->qwBSSTimestamp = cpu_to_le64(qwTimestamp); |
0863b4e2 SS |
340 | pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); |
341 | pBSSList->wCapInfo = cpu_to_le16(wCapInfo); | |
342 | pBSSList->uClearCount = 0; | |
343 | ||
344 | if (pSSID->len > WLAN_SSID_MAXLEN) | |
345 | pSSID->len = WLAN_SSID_MAXLEN; | |
77226ed7 | 346 | memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); |
0863b4e2 SS |
347 | |
348 | pBSSList->uChannel = byCurrChannel; | |
349 | ||
350 | if (pSuppRates->len > WLAN_RATES_MAXLEN) | |
351 | pSuppRates->len = WLAN_RATES_MAXLEN; | |
98e54917 SS |
352 | memcpy(pBSSList->abySuppRates, pSuppRates, |
353 | pSuppRates->len + WLAN_IEHDR_LEN); | |
0863b4e2 | 354 | |
5918ed42 | 355 | if (pExtSuppRates) { |
0863b4e2 SS |
356 | if (pExtSuppRates->len > WLAN_RATES_MAXLEN) |
357 | pExtSuppRates->len = WLAN_RATES_MAXLEN; | |
98e54917 SS |
358 | memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, |
359 | pExtSuppRates->len + WLAN_IEHDR_LEN); | |
360 | DBG_PRT(MSG_LEVEL_DEBUG, | |
361 | KERN_INFO "BSSbInsertToBSSList: pExtSuppRates->len = %d\n", | |
362 | pExtSuppRates->len); | |
0863b4e2 SS |
363 | |
364 | } else { | |
98e54917 SS |
365 | memset(pBSSList->abyExtSuppRates, 0, |
366 | WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); | |
cc856e61 | 367 | } |
0863b4e2 SS |
368 | pBSSList->sERP.byERP = psERP->byERP; |
369 | pBSSList->sERP.bERPExist = psERP->bERPExist; | |
92b96797 | 370 | |
14feab17 | 371 | /* Check if BSS is 802.11a/b/g */ |
fd2251e2 | 372 | if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) |
0863b4e2 | 373 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; |
fd2251e2 SS |
374 | else if (pBSSList->sERP.bERPExist == true) |
375 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; | |
376 | else | |
377 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; | |
92b96797 | 378 | |
0863b4e2 SS |
379 | pBSSList->byRxRate = pRxPacket->byRxRate; |
380 | pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; | |
381 | pBSSList->uRSSI = pRxPacket->uRSSI; | |
382 | pBSSList->bySQ = pRxPacket->bySQ; | |
cc856e61 | 383 | |
72cac302 SR |
384 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA && |
385 | pMgmt->eCurrState == WMAC_STATE_ASSOC && | |
8f284d79 | 386 | /* assoc with BSS */ |
72cac302 | 387 | pBSSList == pMgmt->pCurrBSS) |
8f284d79 | 388 | bParsingQuiet = true; |
0863b4e2 SS |
389 | |
390 | WPA_ClearRSN(pBSSList); | |
391 | ||
5918ed42 | 392 | if (pRSNWPA) { |
0863b4e2 SS |
393 | unsigned int uLen = pRSNWPA->len + 2; |
394 | ||
395 | if (uLen <= (uIELength - | |
98e54917 | 396 | (unsigned int) (u32) ((u8 *) pRSNWPA - pbyIEs))) { |
0863b4e2 SS |
397 | pBSSList->wWPALen = uLen; |
398 | memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); | |
399 | WPA_ParseRSN(pBSSList, pRSNWPA); | |
400 | } | |
401 | } | |
402 | ||
403 | WPA2_ClearRSN(pBSSList); | |
404 | ||
5918ed42 | 405 | if (pRSN) { |
0863b4e2 SS |
406 | unsigned int uLen = pRSN->len + 2; |
407 | ||
408 | if (uLen <= (uIELength - | |
98e54917 | 409 | (unsigned int) (u32) ((u8 *) pRSN - pbyIEs))) { |
0863b4e2 SS |
410 | pBSSList->wRSNLen = uLen; |
411 | memcpy(pBSSList->byRSNIE, pRSN, uLen); | |
412 | WPA2vParseRSN(pBSSList, pRSN); | |
413 | } | |
414 | } | |
415 | ||
98e54917 SS |
416 | if (pMgmt->eAuthenMode == WMAC_AUTH_WPA2 || |
417 | pBSSList->bWPA2Valid == true) { | |
0863b4e2 SS |
418 | |
419 | PSKeyItem pTransmitKey = NULL; | |
420 | bool bIs802_1x = false; | |
421 | ||
e435ef16 | 422 | for (ii = 0; ii < pBSSList->wAKMSSAuthCount; ii++) { |
98e54917 SS |
423 | if (pBSSList->abyAKMSSAuthType[ii] == |
424 | WLAN_11i_AKMSS_802_1X) { | |
0863b4e2 SS |
425 | bIs802_1x = true; |
426 | break; | |
427 | } | |
428 | } | |
98e54917 SS |
429 | if (bIs802_1x == true && |
430 | pSSID->len == ((PWLAN_IE_SSID) pMgmt->abyDesireSSID)->len && | |
431 | !memcmp(pSSID->abySSID, | |
432 | ((PWLAN_IE_SSID) pMgmt->abyDesireSSID)->abySSID, | |
433 | pSSID->len)) { | |
0863b4e2 SS |
434 | |
435 | bAdd_PMKID_Candidate((void *) pDevice, | |
436 | pBSSList->abyBSSID, | |
437 | &pBSSList->sRSNCapObj); | |
438 | ||
72cac302 SR |
439 | if (pDevice->bLinkPass == true && |
440 | pMgmt->eCurrState == WMAC_STATE_ASSOC && | |
441 | (KeybGetTransmitKey(&(pDevice->sKey), | |
8f284d79 SS |
442 | pDevice->abyBSSID, |
443 | PAIRWISE_KEY, | |
72cac302 SR |
444 | &pTransmitKey) == true || |
445 | KeybGetTransmitKey(&(pDevice->sKey), | |
8f284d79 SS |
446 | pDevice->abyBSSID, |
447 | GROUP_KEY, | |
72cac302 | 448 | &pTransmitKey) == true)) { |
98e54917 SS |
449 | pDevice->gsPMKIDCandidate.StatusType = |
450 | Ndis802_11StatusType_PMKID_CandidateList; | |
8f284d79 | 451 | pDevice->gsPMKIDCandidate.Version = 1; |
0863b4e2 | 452 | |
0863b4e2 SS |
453 | |
454 | } | |
455 | } | |
456 | } | |
457 | ||
9cade5ac MP |
458 | /* Monitor if RSSI is too strong. */ |
459 | pBSSList->byRSSIStatCnt = 0; | |
21bba58a MP |
460 | |
461 | vnt_rf_rssi_to_dbm(pDevice, (u8)pRxPacket->uRSSI, &pBSSList->ldBmMAX); | |
462 | ||
9cade5ac MP |
463 | pBSSList->ldBmAverage[0] = pBSSList->ldBmMAX; |
464 | pBSSList->ldBmAverRange = pBSSList->ldBmMAX; | |
465 | for (ii = 1; ii < RSSI_STAT_COUNT; ii++) | |
466 | pBSSList->ldBmAverage[ii] = 0; | |
0863b4e2 SS |
467 | |
468 | pBSSList->uIELength = uIELength; | |
469 | if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) | |
470 | pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; | |
471 | memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); | |
472 | ||
473 | return true; | |
92b96797 FB |
474 | } |
475 | ||
14feab17 | 476 | /* |
92b96797 | 477 | * Routine Description: |
0863b4e2 | 478 | * Update BSS set in known BSS list |
92b96797 FB |
479 | * |
480 | * Return Value: | |
0863b4e2 | 481 | * true if success. |
14feab17 SS |
482 | */ |
483 | /* TODO: input structure modify */ | |
d56131de | 484 | int BSSbUpdateToBSSList(struct vnt_private *pDevice, |
7c65fa2a | 485 | u64 qwTimestamp, |
d56131de MP |
486 | u16 wBeaconInterval, |
487 | u16 wCapInfo, | |
488 | u8 byCurrChannel, | |
489 | int bChannelHit, | |
490 | PWLAN_IE_SSID pSSID, | |
491 | PWLAN_IE_SUPP_RATES pSuppRates, | |
492 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
493 | PERPObject psERP, | |
494 | PWLAN_IE_RSN pRSN, | |
495 | PWLAN_IE_RSN_EXT pRSNWPA, | |
496 | PWLAN_IE_COUNTRY pIE_Country, | |
497 | PWLAN_IE_QUIET pIE_Quiet, | |
498 | PKnownBSS pBSSList, | |
499 | u32 uIELength, | |
500 | u8 *pbyIEs, | |
501 | void *pRxPacketContext) | |
92b96797 | 502 | { |
d56131de MP |
503 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
504 | struct vnt_rx_mgmt *pRxPacket = | |
77226ed7 | 505 | (struct vnt_rx_mgmt *) pRxPacketContext; |
d56131de MP |
506 | int ii, jj; |
507 | signed long ldBm, ldBmSum; | |
e269fc2d | 508 | bool bParsingQuiet = false; |
92b96797 | 509 | |
5918ed42 | 510 | if (!pBSSList) |
0863b4e2 | 511 | return false; |
92b96797 | 512 | |
7c65fa2a MP |
513 | pBSSList->qwBSSTimestamp = cpu_to_le64(qwTimestamp); |
514 | ||
0863b4e2 SS |
515 | pBSSList->wBeaconInterval = cpu_to_le16(wBeaconInterval); |
516 | pBSSList->wCapInfo = cpu_to_le16(wCapInfo); | |
517 | pBSSList->uClearCount = 0; | |
518 | pBSSList->uChannel = byCurrChannel; | |
519 | ||
520 | if (pSSID->len > WLAN_SSID_MAXLEN) | |
521 | pSSID->len = WLAN_SSID_MAXLEN; | |
522 | ||
72cac302 | 523 | if (pSSID->len != 0 && pSSID->abySSID[0] != 0) |
0863b4e2 | 524 | memcpy(pBSSList->abySSID, pSSID, pSSID->len + WLAN_IEHDR_LEN); |
98e54917 SS |
525 | memcpy(pBSSList->abySuppRates, pSuppRates, |
526 | pSuppRates->len + WLAN_IEHDR_LEN); | |
0863b4e2 | 527 | |
5918ed42 | 528 | if (pExtSuppRates) |
98e54917 SS |
529 | memcpy(pBSSList->abyExtSuppRates, pExtSuppRates, |
530 | pExtSuppRates->len + WLAN_IEHDR_LEN); | |
b7fce6ae | 531 | else |
98e54917 SS |
532 | memset(pBSSList->abyExtSuppRates, 0, |
533 | WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1); | |
0863b4e2 SS |
534 | pBSSList->sERP.byERP = psERP->byERP; |
535 | pBSSList->sERP.bERPExist = psERP->bERPExist; | |
92b96797 | 536 | |
14feab17 | 537 | /* Check if BSS is 802.11a/b/g */ |
fd2251e2 | 538 | if (pBSSList->uChannel > CB_MAX_CHANNEL_24G) |
0863b4e2 | 539 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11A; |
fd2251e2 SS |
540 | else if (pBSSList->sERP.bERPExist == true) |
541 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11G; | |
542 | else | |
543 | pBSSList->eNetworkTypeInUse = PHY_TYPE_11B; | |
92b96797 | 544 | |
0863b4e2 SS |
545 | pBSSList->byRxRate = pRxPacket->byRxRate; |
546 | pBSSList->qwLocalTSF = pRxPacket->qwLocalTSF; | |
77226ed7 | 547 | if (bChannelHit) |
0863b4e2 SS |
548 | pBSSList->uRSSI = pRxPacket->uRSSI; |
549 | pBSSList->bySQ = pRxPacket->bySQ; | |
550 | ||
72cac302 SR |
551 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA && |
552 | pMgmt->eCurrState == WMAC_STATE_ASSOC && | |
8f284d79 | 553 | /* assoc with BSS */ |
72cac302 | 554 | pBSSList == pMgmt->pCurrBSS) |
8f284d79 | 555 | bParsingQuiet = true; |
0863b4e2 | 556 | |
14feab17 | 557 | WPA_ClearRSN(pBSSList); /* mike update */ |
0863b4e2 | 558 | |
5918ed42 | 559 | if (pRSNWPA) { |
0863b4e2 SS |
560 | unsigned int uLen = pRSNWPA->len + 2; |
561 | if (uLen <= (uIELength - | |
98e54917 | 562 | (unsigned int) (u32) ((u8 *) pRSNWPA - pbyIEs))) { |
0863b4e2 SS |
563 | pBSSList->wWPALen = uLen; |
564 | memcpy(pBSSList->byWPAIE, pRSNWPA, uLen); | |
565 | WPA_ParseRSN(pBSSList, pRSNWPA); | |
33d33e42 | 566 | } |
0863b4e2 SS |
567 | } |
568 | ||
14feab17 | 569 | WPA2_ClearRSN(pBSSList); /* mike update */ |
92b96797 | 570 | |
5918ed42 | 571 | if (pRSN) { |
0863b4e2 SS |
572 | unsigned int uLen = pRSN->len + 2; |
573 | if (uLen <= (uIELength - | |
98e54917 | 574 | (unsigned int) (u32) ((u8 *) pRSN - pbyIEs))) { |
0863b4e2 SS |
575 | pBSSList->wRSNLen = uLen; |
576 | memcpy(pBSSList->byRSNIE, pRSN, uLen); | |
577 | WPA2vParseRSN(pBSSList, pRSN); | |
578 | } | |
579 | } | |
92b96797 | 580 | |
0863b4e2 | 581 | if (pRxPacket->uRSSI != 0) { |
21bba58a | 582 | vnt_rf_rssi_to_dbm(pDevice, (u8)pRxPacket->uRSSI, &ldBm); |
14feab17 | 583 | /* Monitor if RSSI is too strong. */ |
0863b4e2 SS |
584 | pBSSList->byRSSIStatCnt++; |
585 | pBSSList->byRSSIStatCnt %= RSSI_STAT_COUNT; | |
586 | pBSSList->ldBmAverage[pBSSList->byRSSIStatCnt] = ldBm; | |
587 | ldBmSum = 0; | |
588 | for (ii = 0, jj = 0; ii < RSSI_STAT_COUNT; ii++) { | |
589 | if (pBSSList->ldBmAverage[ii] != 0) { | |
590 | pBSSList->ldBmMAX = | |
591 | max(pBSSList->ldBmAverage[ii], ldBm); | |
592 | ldBmSum += | |
593 | pBSSList->ldBmAverage[ii]; | |
594 | jj++; | |
595 | } | |
596 | } | |
e435ef16 | 597 | pBSSList->ldBmAverRange = ldBmSum / jj; |
0863b4e2 SS |
598 | } |
599 | ||
600 | pBSSList->uIELength = uIELength; | |
601 | if (pBSSList->uIELength > WLAN_BEACON_FR_MAXLEN) | |
602 | pBSSList->uIELength = WLAN_BEACON_FR_MAXLEN; | |
603 | memcpy(pBSSList->abyIEs, pbyIEs, pBSSList->uIELength); | |
604 | ||
605 | return true; | |
92b96797 FB |
606 | } |
607 | ||
14feab17 | 608 | /* |
92b96797 | 609 | * Routine Description: |
0863b4e2 | 610 | * Search Node DB table to find the index of matched DstAddr |
92b96797 FB |
611 | * |
612 | * Return Value: | |
0863b4e2 | 613 | * None |
14feab17 | 614 | */ |
d56131de | 615 | int BSSbIsSTAInNodeDB(struct vnt_private *pDevice, |
0863b4e2 SS |
616 | u8 *abyDstAddr, |
617 | u32 *puNodeIndex) | |
92b96797 | 618 | { |
d56131de MP |
619 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
620 | unsigned int ii; | |
92b96797 | 621 | |
14feab17 | 622 | /* Index = 0 reserved for AP Node */ |
0863b4e2 | 623 | for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { |
72cac302 SR |
624 | if (pMgmt->sNodeDBTable[ii].bActive && |
625 | ether_addr_equal(abyDstAddr, | |
626 | pMgmt->sNodeDBTable[ii].abyMACAddr)) { | |
8f284d79 SS |
627 | *puNodeIndex = ii; |
628 | return true; | |
0863b4e2 SS |
629 | } |
630 | } | |
631 | ||
632 | return false; | |
92b96797 FB |
633 | }; |
634 | ||
14feab17 | 635 | /* |
92b96797 | 636 | * Routine Description: |
0863b4e2 SS |
637 | * Find an empty node and allocate it; if no empty node |
638 | * is found, then use the most inactive one. | |
92b96797 FB |
639 | * |
640 | * Return Value: | |
0863b4e2 | 641 | * None |
14feab17 | 642 | */ |
d56131de | 643 | void BSSvCreateOneNode(struct vnt_private *pDevice, u32 *puNodeIndex) |
92b96797 | 644 | { |
d56131de | 645 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
0863b4e2 | 646 | int ii; |
d56131de MP |
647 | u32 BigestCount = 0; |
648 | u32 SelectIndex; | |
0863b4e2 SS |
649 | struct sk_buff *skb; |
650 | ||
14feab17 SS |
651 | /* Index = 0 reserved for AP Node (In STA mode) |
652 | Index = 0 reserved for Broadcast/MultiCast (In AP mode) */ | |
0863b4e2 SS |
653 | SelectIndex = 1; |
654 | for (ii = 1; ii < (MAX_NODE_NUM + 1); ii++) { | |
655 | if (pMgmt->sNodeDBTable[ii].bActive) { | |
656 | if (pMgmt->sNodeDBTable[ii].uInActiveCount > BigestCount) { | |
98e54917 SS |
657 | BigestCount = |
658 | pMgmt->sNodeDBTable[ii].uInActiveCount; | |
0863b4e2 SS |
659 | SelectIndex = ii; |
660 | } | |
dad2ddbd | 661 | } else { |
0863b4e2 SS |
662 | break; |
663 | } | |
664 | } | |
665 | ||
14feab17 | 666 | /* if not found replace uInActiveCount with the largest one. */ |
77226ed7 | 667 | if (ii == (MAX_NODE_NUM + 1)) { |
0863b4e2 | 668 | *puNodeIndex = SelectIndex; |
98e54917 SS |
669 | DBG_PRT(MSG_LEVEL_DEBUG, |
670 | KERN_INFO "Replace inactive node = %d\n", SelectIndex); | |
14feab17 | 671 | /* clear ps buffer */ |
5918ed42 SR |
672 | if (pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue.next) { |
673 | while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue))) | |
0863b4e2 SS |
674 | dev_kfree_skb(skb); |
675 | } | |
dad2ddbd | 676 | } else { |
0863b4e2 SS |
677 | *puNodeIndex = ii; |
678 | } | |
679 | ||
680 | memset(&pMgmt->sNodeDBTable[*puNodeIndex], 0, sizeof(KnownNodeDB)); | |
681 | pMgmt->sNodeDBTable[*puNodeIndex].bActive = true; | |
682 | pMgmt->sNodeDBTable[*puNodeIndex].uRatePollTimeout = FALLBACK_POLL_SECOND; | |
14feab17 | 683 | /* for AP mode PS queue */ |
0863b4e2 SS |
684 | skb_queue_head_init(&pMgmt->sNodeDBTable[*puNodeIndex].sTxPSQueue); |
685 | pMgmt->sNodeDBTable[*puNodeIndex].byAuthSequence = 0; | |
686 | pMgmt->sNodeDBTable[*puNodeIndex].wEnQueueCnt = 0; | |
687 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Create node index = %d\n", ii); | |
13a36fe9 | 688 | } |
92b96797 | 689 | |
14feab17 | 690 | /* |
92b96797 | 691 | * Routine Description: |
0863b4e2 | 692 | * Remove Node by NodeIndex |
92b96797 FB |
693 | * |
694 | * | |
695 | * Return Value: | |
0863b4e2 | 696 | * None |
14feab17 | 697 | */ |
d56131de | 698 | void BSSvRemoveOneNode(struct vnt_private *pDevice, u32 uNodeIndex) |
92b96797 | 699 | { |
d56131de MP |
700 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
701 | u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; | |
0863b4e2 SS |
702 | struct sk_buff *skb; |
703 | ||
5918ed42 | 704 | while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue))) |
0863b4e2 | 705 | dev_kfree_skb(skb); |
14feab17 | 706 | /* clear context */ |
0863b4e2 | 707 | memset(&pMgmt->sNodeDBTable[uNodeIndex], 0, sizeof(KnownNodeDB)); |
14feab17 | 708 | /* clear tx bit map */ |
98e54917 SS |
709 | pMgmt->abyPSTxMap[pMgmt->sNodeDBTable[uNodeIndex].wAID >> 3] &= |
710 | ~byMask[pMgmt->sNodeDBTable[uNodeIndex].wAID & 7]; | |
13a36fe9 | 711 | } |
14feab17 SS |
712 | |
713 | /* | |
92b96797 | 714 | * Routine Description: |
0863b4e2 | 715 | * Update AP Node content in Index 0 of KnownNodeDB |
92b96797 FB |
716 | * |
717 | * | |
718 | * Return Value: | |
0863b4e2 | 719 | * None |
14feab17 | 720 | */ |
0863b4e2 SS |
721 | void BSSvUpdateAPNode(struct vnt_private *pDevice, |
722 | u16 *pwCapInfo, | |
723 | PWLAN_IE_SUPP_RATES pSuppRates, | |
724 | PWLAN_IE_SUPP_RATES pExtSuppRates) | |
92b96797 | 725 | { |
14c5ef57 | 726 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
d56131de | 727 | u32 uRateLen = WLAN_RATES_MAXLEN; |
92b96797 | 728 | |
0863b4e2 SS |
729 | memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); |
730 | ||
731 | pMgmt->sNodeDBTable[0].bActive = true; | |
b7fce6ae | 732 | if (pDevice->byBBType == BB_TYPE_11B) |
0863b4e2 | 733 | uRateLen = WLAN_RATES_MAXLEN_11B; |
77226ed7 SS |
734 | pMgmt->abyCurrSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES) pSuppRates, |
735 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates, | |
0863b4e2 | 736 | uRateLen); |
77226ed7 | 737 | pMgmt->abyCurrExtSuppRates[1] = RATEuSetIE((PWLAN_IE_SUPP_RATES) pExtSuppRates, |
98e54917 SS |
738 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates, |
739 | uRateLen); | |
0863b4e2 | 740 | RATEvParseMaxRate((void *) pDevice, |
77226ed7 SS |
741 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates, |
742 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates, | |
0863b4e2 SS |
743 | true, |
744 | &(pMgmt->sNodeDBTable[0].wMaxBasicRate), | |
745 | &(pMgmt->sNodeDBTable[0].wMaxSuppRate), | |
746 | &(pMgmt->sNodeDBTable[0].wSuppRate), | |
747 | &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), | |
748 | &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)); | |
98e54917 SS |
749 | memcpy(pMgmt->sNodeDBTable[0].abyMACAddr, pMgmt->abyCurrBSSID, |
750 | WLAN_ADDR_LEN); | |
0863b4e2 | 751 | pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxSuppRate; |
98e54917 SS |
752 | pMgmt->sNodeDBTable[0].bShortPreamble = |
753 | WLAN_GET_CAP_INFO_SHORTPREAMBLE(*pwCapInfo); | |
0863b4e2 | 754 | pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; |
14feab17 SS |
755 | /* Auto rate fallback function initiation. |
756 | * RATEbInit(pDevice); */ | |
98e54917 SS |
757 | DBG_PRT(MSG_LEVEL_DEBUG, |
758 | KERN_INFO"pMgmt->sNodeDBTable[0].wTxDataRate = %d\n", | |
759 | pMgmt->sNodeDBTable[0].wTxDataRate); | |
92b96797 | 760 | |
13a36fe9 | 761 | } |
92b96797 | 762 | |
14feab17 | 763 | /* |
92b96797 | 764 | * Routine Description: |
0863b4e2 | 765 | * Add Multicast Node content in Index 0 of KnownNodeDB |
92b96797 FB |
766 | * |
767 | * | |
768 | * Return Value: | |
0863b4e2 | 769 | * None |
14feab17 | 770 | */ |
d56131de | 771 | void BSSvAddMulticastNode(struct vnt_private *pDevice) |
92b96797 | 772 | { |
d56131de | 773 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
92b96797 | 774 | |
90f96acd MP |
775 | memset(&pMgmt->sNodeDBTable[0], 0, sizeof(KnownNodeDB)); |
776 | ||
0863b4e2 SS |
777 | memset(pMgmt->sNodeDBTable[0].abyMACAddr, 0xff, WLAN_ADDR_LEN); |
778 | pMgmt->sNodeDBTable[0].bActive = true; | |
779 | pMgmt->sNodeDBTable[0].bPSEnable = false; | |
780 | skb_queue_head_init(&pMgmt->sNodeDBTable[0].sTxPSQueue); | |
781 | RATEvParseMaxRate((void *) pDevice, | |
77226ed7 SS |
782 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrSuppRates, |
783 | (PWLAN_IE_SUPP_RATES) pMgmt->abyCurrExtSuppRates, | |
0863b4e2 SS |
784 | true, |
785 | &(pMgmt->sNodeDBTable[0].wMaxBasicRate), | |
786 | &(pMgmt->sNodeDBTable[0].wMaxSuppRate), | |
787 | &(pMgmt->sNodeDBTable[0].wSuppRate), | |
788 | &(pMgmt->sNodeDBTable[0].byTopCCKBasicRate), | |
789 | &(pMgmt->sNodeDBTable[0].byTopOFDMBasicRate)); | |
790 | pMgmt->sNodeDBTable[0].wTxDataRate = pMgmt->sNodeDBTable[0].wMaxBasicRate; | |
791 | pMgmt->sNodeDBTable[0].uRatePollTimeout = FALLBACK_POLL_SECOND; | |
92b96797 | 792 | |
13a36fe9 | 793 | } |
92b96797 | 794 | |
14feab17 | 795 | /* |
92b96797 FB |
796 | * Routine Description: |
797 | * | |
798 | * | |
0863b4e2 | 799 | * Second call back function to update Node DB info & AP link status |
92b96797 FB |
800 | * |
801 | * | |
802 | * Return Value: | |
0863b4e2 | 803 | * none. |
14feab17 | 804 | */ |
bd9a6dba | 805 | void BSSvSecondCallBack(struct work_struct *work) |
92b96797 | 806 | { |
bd9a6dba MP |
807 | struct vnt_private *pDevice = container_of(work, |
808 | struct vnt_private, second_callback_work.work); | |
d56131de MP |
809 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
810 | int ii; | |
811 | PWLAN_IE_SSID pItemSSID, pCurrSSID; | |
812 | u32 uSleepySTACnt = 0; | |
813 | u32 uNonShortSlotSTACnt = 0; | |
814 | u32 uLongPreambleSTACnt = 0; | |
92b96797 | 815 | |
17f3ced0 MP |
816 | if (pDevice->Flags & fMP_DISCONNECTED) |
817 | return; | |
818 | ||
0863b4e2 SS |
819 | pDevice->uAssocCount = 0; |
820 | ||
14feab17 | 821 | /* Power Saving Mode Tx Burst */ |
77226ed7 | 822 | if (pDevice->bEnablePSMode == true) { |
0863b4e2 | 823 | pDevice->ulPSModeWaitTx++; |
77226ed7 | 824 | if (pDevice->ulPSModeWaitTx >= 2) { |
0863b4e2 SS |
825 | pDevice->ulPSModeWaitTx = 0; |
826 | pDevice->bPSModeTxBurst = false; | |
827 | } | |
828 | } | |
829 | ||
830 | pDevice->byERPFlag &= | |
831 | ~(WLAN_SET_ERP_BARKER_MODE(1) | WLAN_SET_ERP_NONERP_PRESENT(1)); | |
832 | ||
833 | if (pDevice->wUseProtectCntDown > 0) { | |
e435ef16 | 834 | pDevice->wUseProtectCntDown--; |
dad2ddbd | 835 | } else { |
14feab17 | 836 | /* disable protect mode */ |
0863b4e2 SS |
837 | pDevice->byERPFlag &= ~(WLAN_SET_ERP_USE_PROTECTION(1)); |
838 | } | |
92b96797 | 839 | |
77226ed7 | 840 | if (pDevice->byReAssocCount > 0) { |
0863b4e2 | 841 | pDevice->byReAssocCount++; |
98e54917 SS |
842 | if (pDevice->byReAssocCount > 10 && |
843 | pDevice->bLinkPass != true) { /* 10 sec timeout */ | |
0863b4e2 SS |
844 | printk("Re-association timeout!!!\n"); |
845 | pDevice->byReAssocCount = 0; | |
77226ed7 | 846 | /* if (pDevice->bWPASuppWextEnabled == true) */ |
0863b4e2 SS |
847 | { |
848 | union iwreq_data wrqu; | |
77226ed7 | 849 | memset(&wrqu, 0, sizeof(wrqu)); |
0863b4e2 SS |
850 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; |
851 | PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); | |
98e54917 SS |
852 | wireless_send_event(pDevice->dev, SIOCGIWAP, |
853 | &wrqu, NULL); | |
0863b4e2 | 854 | } |
b7fce6ae | 855 | } else if (pDevice->bLinkPass == true) { |
0863b4e2 | 856 | pDevice->byReAssocCount = 0; |
b7fce6ae | 857 | } |
0863b4e2 SS |
858 | } |
859 | ||
77226ed7 | 860 | pMgmt->eLastState = pMgmt->eCurrState; |
92b96797 | 861 | |
d56131de | 862 | s_uCalculateLinkQual(pDevice); |
92b96797 | 863 | |
0863b4e2 SS |
864 | for (ii = 0; ii < (MAX_NODE_NUM + 1); ii++) { |
865 | ||
866 | if (pMgmt->sNodeDBTable[ii].bActive) { | |
14feab17 | 867 | /* Increase in-activity counter */ |
0863b4e2 SS |
868 | pMgmt->sNodeDBTable[ii].uInActiveCount++; |
869 | ||
870 | if (ii > 0) { | |
98e54917 SS |
871 | if (pMgmt->sNodeDBTable[ii].uInActiveCount > |
872 | MAX_INACTIVE_COUNT) { | |
0863b4e2 SS |
873 | BSSvRemoveOneNode(pDevice, ii); |
874 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO | |
98e54917 SS |
875 | "Inactive timeout [%d] sec, STA index = [%d] remove\n", |
876 | MAX_INACTIVE_COUNT, ii); | |
0863b4e2 SS |
877 | continue; |
878 | } | |
879 | ||
98e54917 SS |
880 | if (pMgmt->sNodeDBTable[ii].eNodeState >= |
881 | NODE_ASSOC) { | |
0863b4e2 SS |
882 | |
883 | pDevice->uAssocCount++; | |
884 | ||
14feab17 | 885 | /* check if Non ERP exist */ |
98e54917 SS |
886 | if (pMgmt->sNodeDBTable[ii].uInActiveCount < |
887 | ERP_RECOVER_COUNT) { | |
0863b4e2 | 888 | if (!pMgmt->sNodeDBTable[ii].bShortPreamble) { |
98e54917 SS |
889 | pDevice->byERPFlag |= |
890 | WLAN_SET_ERP_BARKER_MODE(1); | |
e435ef16 | 891 | uLongPreambleSTACnt++; |
0863b4e2 SS |
892 | } |
893 | if (!pMgmt->sNodeDBTable[ii].bERPExist) { | |
98e54917 SS |
894 | pDevice->byERPFlag |= |
895 | WLAN_SET_ERP_NONERP_PRESENT(1); | |
896 | pDevice->byERPFlag |= | |
897 | WLAN_SET_ERP_USE_PROTECTION(1); | |
0863b4e2 SS |
898 | } |
899 | if (!pMgmt->sNodeDBTable[ii].bShortSlotTime) | |
900 | uNonShortSlotSTACnt++; | |
901 | } | |
902 | } | |
903 | ||
14feab17 | 904 | /* check if any STA in PS mode */ |
0863b4e2 SS |
905 | if (pMgmt->sNodeDBTable[ii].bPSEnable) |
906 | uSleepySTACnt++; | |
907 | ||
908 | } | |
909 | ||
14feab17 | 910 | /* Rate fallback check */ |
0863b4e2 SS |
911 | if (!pDevice->bFixRate) { |
912 | if (ii > 0) { | |
14feab17 | 913 | /* ii = 0 for multicast node (AP & Adhoc) */ |
77226ed7 | 914 | RATEvTxRateFallBack((void *) pDevice, |
0863b4e2 | 915 | &(pMgmt->sNodeDBTable[ii])); |
fd2251e2 | 916 | } else if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { |
14feab17 | 917 | /* ii = 0 reserved for unicast AP node (Infra STA) */ |
fd2251e2 SS |
918 | RATEvTxRateFallBack((void *) pDevice, |
919 | &(pMgmt->sNodeDBTable[ii])); | |
0863b4e2 SS |
920 | } |
921 | ||
922 | } | |
923 | ||
14feab17 | 924 | /* check if pending PS queue */ |
0863b4e2 | 925 | if (pMgmt->sNodeDBTable[ii].wEnQueueCnt != 0) { |
98e54917 SS |
926 | DBG_PRT(MSG_LEVEL_DEBUG, |
927 | KERN_INFO "Index= %d, Queue = %d pending\n", | |
928 | ii, | |
929 | pMgmt->sNodeDBTable[ii].wEnQueueCnt); | |
930 | if (ii > 0 && | |
931 | pMgmt->sNodeDBTable[ii].wEnQueueCnt > 15) { | |
0863b4e2 | 932 | BSSvRemoveOneNode(pDevice, ii); |
98e54917 SS |
933 | DBG_PRT(MSG_LEVEL_NOTICE, |
934 | KERN_INFO "Pending many queues PS STA Index = %d remove\n", | |
935 | ii); | |
0863b4e2 SS |
936 | continue; |
937 | } | |
938 | } | |
0cbd8d98 | 939 | } |
0863b4e2 SS |
940 | |
941 | } | |
942 | ||
98e54917 SS |
943 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP && |
944 | pDevice->byBBType == BB_TYPE_11G) { | |
0863b4e2 | 945 | |
14feab17 | 946 | /* on/off protect mode */ |
0863b4e2 SS |
947 | if (WLAN_GET_ERP_USE_PROTECTION(pDevice->byERPFlag)) { |
948 | if (!pDevice->bProtectMode) { | |
949 | MACvEnableProtectMD(pDevice); | |
950 | pDevice->bProtectMode = true; | |
951 | } | |
fd2251e2 SS |
952 | } else if (pDevice->bProtectMode) { |
953 | MACvDisableProtectMD(pDevice); | |
954 | pDevice->bProtectMode = false; | |
0863b4e2 | 955 | } |
14feab17 | 956 | /* on/off short slot time */ |
0863b4e2 SS |
957 | |
958 | if (uNonShortSlotSTACnt > 0) { | |
959 | if (pDevice->bShortSlotTime) { | |
960 | pDevice->bShortSlotTime = false; | |
961 | BBvSetShortSlotTime(pDevice); | |
77226ed7 | 962 | vUpdateIFS((void *) pDevice); |
0863b4e2 | 963 | } |
fd2251e2 | 964 | } else if (!pDevice->bShortSlotTime) { |
0863b4e2 SS |
965 | pDevice->bShortSlotTime = true; |
966 | BBvSetShortSlotTime(pDevice); | |
77226ed7 | 967 | vUpdateIFS((void *) pDevice); |
0863b4e2 SS |
968 | } |
969 | ||
14feab17 | 970 | /* on/off barker long preamble mode */ |
0863b4e2 SS |
971 | |
972 | if (uLongPreambleSTACnt > 0) { | |
973 | if (!pDevice->bBarkerPreambleMd) { | |
974 | MACvEnableBarkerPreambleMd(pDevice); | |
975 | pDevice->bBarkerPreambleMd = true; | |
976 | } | |
fd2251e2 | 977 | } else if (pDevice->bBarkerPreambleMd) { |
0863b4e2 SS |
978 | MACvDisableBarkerPreambleMd(pDevice); |
979 | pDevice->bBarkerPreambleMd = false; | |
0863b4e2 SS |
980 | } |
981 | ||
982 | } | |
983 | ||
14feab17 | 984 | /* Check if any STA in PS mode, enable DTIM multicast deliver */ |
0863b4e2 SS |
985 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
986 | if (uSleepySTACnt > 0) | |
987 | pMgmt->sNodeDBTable[0].bPSEnable = true; | |
988 | else | |
989 | pMgmt->sNodeDBTable[0].bPSEnable = false; | |
990 | } | |
991 | ||
77226ed7 SS |
992 | pItemSSID = (PWLAN_IE_SSID) pMgmt->abyDesireSSID; |
993 | pCurrSSID = (PWLAN_IE_SSID) pMgmt->abyCurrSSID; | |
0863b4e2 | 994 | |
72cac302 | 995 | if (pMgmt->eCurrMode == WMAC_MODE_STANDBY || |
98e54917 | 996 | pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { |
0863b4e2 | 997 | |
14feab17 | 998 | if (pMgmt->sNodeDBTable[0].bActive) { /* Assoc with BSS */ |
0863b4e2 | 999 | |
9cade5ac MP |
1000 | s_vCheckSensitivity(pDevice); |
1001 | s_vCheckPreEDThreshold(pDevice); | |
0863b4e2 | 1002 | |
98e54917 SS |
1003 | if (pMgmt->sNodeDBTable[0].uInActiveCount >= |
1004 | (LOST_BEACON_COUNT/2) && | |
1005 | pDevice->byBBVGACurrent != pDevice->abyBBVGA[0]) { | |
0863b4e2 SS |
1006 | pDevice->byBBVGANew = pDevice->abyBBVGA[0]; |
1007 | bScheduleCommand((void *) pDevice, | |
98e54917 SS |
1008 | WLAN_CMD_CHANGE_BBSENSITIVITY, |
1009 | NULL); | |
0863b4e2 SS |
1010 | } |
1011 | ||
98e54917 SS |
1012 | if (pMgmt->sNodeDBTable[0].uInActiveCount >= |
1013 | LOST_BEACON_COUNT) { | |
0863b4e2 SS |
1014 | pMgmt->sNodeDBTable[0].bActive = false; |
1015 | pMgmt->eCurrMode = WMAC_MODE_STANDBY; | |
1016 | pMgmt->eCurrState = WMAC_STATE_IDLE; | |
1017 | netif_stop_queue(pDevice->dev); | |
1018 | pDevice->bLinkPass = false; | |
96f6975b MP |
1019 | |
1020 | vnt_mac_set_led(pDevice, LEDSTS_STS, | |
1021 | LEDSTS_SLOW); | |
1022 | ||
0863b4e2 SS |
1023 | pDevice->bRoaming = true; |
1024 | pDevice->bIsRoaming = false; | |
1025 | ||
98e54917 SS |
1026 | DBG_PRT(MSG_LEVEL_NOTICE, |
1027 | KERN_INFO "Lost AP beacon [%d] sec, disconnected !\n", | |
1028 | pMgmt->sNodeDBTable[0].uInActiveCount); | |
0863b4e2 SS |
1029 | /* let wpa supplicant know AP may disconnect */ |
1030 | { | |
1031 | union iwreq_data wrqu; | |
77226ed7 | 1032 | memset(&wrqu, 0, sizeof(wrqu)); |
0863b4e2 SS |
1033 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; |
1034 | PRINT_K("wireless_send_event--->SIOCGIWAP(disassociated)\n"); | |
98e54917 SS |
1035 | wireless_send_event(pDevice->dev, |
1036 | SIOCGIWAP, | |
1037 | &wrqu, | |
1038 | NULL); | |
0863b4e2 SS |
1039 | } |
1040 | } | |
dad2ddbd | 1041 | } else if (pItemSSID->len != 0) { |
14feab17 | 1042 | /* Davidwang */ |
98e54917 SS |
1043 | if ((pDevice->bEnableRoaming == true) && |
1044 | (!(pMgmt->Cisco_cckm))) { | |
1045 | DBG_PRT(MSG_LEVEL_DEBUG, | |
1046 | KERN_INFO "bRoaming %d, !\n", | |
1047 | pDevice->bRoaming); | |
1048 | DBG_PRT(MSG_LEVEL_DEBUG, | |
1049 | KERN_INFO "bIsRoaming %d, !\n", | |
1050 | pDevice->bIsRoaming); | |
1051 | if ((pDevice->bRoaming == true) && | |
1052 | (pDevice->bIsRoaming == true)) { | |
1053 | DBG_PRT(MSG_LEVEL_DEBUG, | |
1054 | KERN_INFO "Fast Roaming ...\n"); | |
1055 | BSSvClearBSSList((void *) pDevice, | |
1056 | pDevice->bLinkPass); | |
0863b4e2 | 1057 | bScheduleCommand((void *) pDevice, |
98e54917 SS |
1058 | WLAN_CMD_BSSID_SCAN, |
1059 | pMgmt->abyDesireSSID); | |
0863b4e2 | 1060 | bScheduleCommand((void *) pDevice, |
98e54917 SS |
1061 | WLAN_CMD_SSID, |
1062 | pMgmt->abyDesireSSID); | |
0863b4e2 SS |
1063 | pDevice->uAutoReConnectTime = 0; |
1064 | pDevice->uIsroamingTime = 0; | |
1065 | pDevice->bRoaming = false; | |
98e54917 SS |
1066 | } else if (pDevice->bRoaming == false && |
1067 | pDevice->bIsRoaming == true) { | |
0863b4e2 SS |
1068 | pDevice->uIsroamingTime++; |
1069 | if (pDevice->uIsroamingTime >= 20) | |
1070 | pDevice->bIsRoaming = false; | |
1071 | } | |
fd2251e2 SS |
1072 | } else if (pDevice->uAutoReConnectTime < 10) { |
1073 | pDevice->uAutoReConnectTime++; | |
1074 | /* network manager support need not do Roaming scan??? */ | |
1075 | if (pDevice->bWPASuppWextEnabled == true) | |
0863b4e2 | 1076 | pDevice->uAutoReConnectTime = 0; |
fd2251e2 SS |
1077 | } else { |
1078 | /* mike use old encryption status for wpa reauthen */ | |
1079 | if (pDevice->bWPADEVUp) | |
98e54917 SS |
1080 | pDevice->eEncryptionStatus = |
1081 | pDevice->eOldEncryptionStatus; | |
fd2251e2 | 1082 | |
98e54917 SS |
1083 | DBG_PRT(MSG_LEVEL_DEBUG, |
1084 | KERN_INFO "Roaming ...\n"); | |
1085 | BSSvClearBSSList((void *) pDevice, | |
1086 | pDevice->bLinkPass); | |
fd2251e2 SS |
1087 | pMgmt->eScanType = WMAC_SCAN_ACTIVE; |
1088 | bScheduleCommand((void *) pDevice, | |
1089 | WLAN_CMD_BSSID_SCAN, | |
1090 | pMgmt->abyDesireSSID); | |
1091 | bScheduleCommand((void *) pDevice, | |
1092 | WLAN_CMD_SSID, | |
1093 | pMgmt->abyDesireSSID); | |
1094 | pDevice->uAutoReConnectTime = 0; | |
0863b4e2 SS |
1095 | } |
1096 | } | |
1097 | } | |
1098 | ||
1099 | if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { | |
14feab17 | 1100 | /* if adhoc started which essid is NULL string, rescanning. */ |
98e54917 SS |
1101 | if (pMgmt->eCurrState == WMAC_STATE_STARTED && |
1102 | pCurrSSID->len == 0) { | |
0863b4e2 SS |
1103 | if (pDevice->uAutoReConnectTime < 10) { |
1104 | pDevice->uAutoReConnectTime++; | |
dad2ddbd | 1105 | } else { |
98e54917 SS |
1106 | DBG_PRT(MSG_LEVEL_NOTICE, |
1107 | KERN_INFO "Adhoc re-scanning ...\n"); | |
0863b4e2 | 1108 | pMgmt->eScanType = WMAC_SCAN_ACTIVE; |
98e54917 SS |
1109 | bScheduleCommand((void *) pDevice, |
1110 | WLAN_CMD_BSSID_SCAN, NULL); | |
1111 | bScheduleCommand((void *) pDevice, | |
1112 | WLAN_CMD_SSID, NULL); | |
0863b4e2 | 1113 | pDevice->uAutoReConnectTime = 0; |
13a36fe9 | 1114 | } |
0863b4e2 SS |
1115 | } |
1116 | if (pMgmt->eCurrState == WMAC_STATE_JOINTED) { | |
1117 | ||
9cade5ac MP |
1118 | s_vCheckSensitivity(pDevice); |
1119 | s_vCheckPreEDThreshold(pDevice); | |
1120 | ||
98e54917 SS |
1121 | if (pMgmt->sNodeDBTable[0].uInActiveCount >= |
1122 | ADHOC_LOST_BEACON_COUNT) { | |
1123 | DBG_PRT(MSG_LEVEL_NOTICE, | |
1124 | KERN_INFO "Lost other STA beacon [%d] sec, started !\n", | |
1125 | pMgmt->sNodeDBTable[0].uInActiveCount); | |
0863b4e2 SS |
1126 | pMgmt->sNodeDBTable[0].uInActiveCount = 0; |
1127 | pMgmt->eCurrState = WMAC_STATE_STARTED; | |
1128 | netif_stop_queue(pDevice->dev); | |
1129 | pDevice->bLinkPass = false; | |
96f6975b MP |
1130 | vnt_mac_set_led(pDevice, LEDSTS_STS, |
1131 | LEDSTS_SLOW); | |
0863b4e2 SS |
1132 | } |
1133 | } | |
1134 | } | |
92b96797 | 1135 | |
60cc2747 | 1136 | if (pDevice->bLinkPass == true) { |
8f284d79 SS |
1137 | if ((pMgmt->eAuthenMode < WMAC_AUTH_WPA || |
1138 | pDevice->fWPA_Authened == true) && | |
1139 | (++pDevice->tx_data_time_out > 40)) { | |
1140 | pDevice->tx_trigger = true; | |
60cc2747 | 1141 | |
8f284d79 | 1142 | PSbSendNullPacket(pDevice); |
60cc2747 | 1143 | |
8f284d79 SS |
1144 | pDevice->tx_trigger = false; |
1145 | pDevice->tx_data_time_out = 0; | |
60cc2747 MP |
1146 | } |
1147 | ||
1148 | if (netif_queue_stopped(pDevice->dev)) | |
1149 | netif_wake_queue(pDevice->dev); | |
1150 | } | |
92b96797 | 1151 | |
bd9a6dba | 1152 | schedule_delayed_work(&pDevice->second_callback_work, HZ); |
92b96797 FB |
1153 | } |
1154 | ||
14feab17 | 1155 | /* |
92b96797 FB |
1156 | * Routine Description: |
1157 | * | |
1158 | * | |
0863b4e2 | 1159 | * Update Tx attemps, Tx failure counter in Node DB |
92b96797 FB |
1160 | * |
1161 | * | |
1162 | * Return Value: | |
0863b4e2 | 1163 | * none. |
14feab17 | 1164 | */ |
51934e7f | 1165 | void BSSvUpdateNodeTxCounter(struct vnt_private *pDevice, u8 byTSR, u8 byPktNO) |
92b96797 | 1166 | { |
d56131de | 1167 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
51934e7f | 1168 | struct vnt_tx_pkt_info *pkt_info = pDevice->pkt_info; |
d56131de MP |
1169 | u32 uNodeIndex = 0; |
1170 | u8 byTxRetry; | |
1171 | u16 wRate; | |
1172 | u16 wFallBackRate = RATE_1M; | |
1173 | u8 byFallBack; | |
1174 | int ii; | |
1175 | u8 *pbyDestAddr; | |
1176 | u8 byPktNum; | |
1177 | u16 wFIFOCtl; | |
92b96797 | 1178 | |
0863b4e2 SS |
1179 | byPktNum = (byPktNO & 0x0F) >> 4; |
1180 | byTxRetry = (byTSR & 0xF0) >> 4; | |
1181 | wRate = (u16) (byPktNO & 0xF0) >> 4; | |
1182 | wFIFOCtl = pkt_info[byPktNum].fifo_ctl; | |
1183 | pbyDestAddr = pkt_info[byPktNum].dest_addr; | |
1184 | ||
b7fce6ae | 1185 | if (wFIFOCtl & FIFOCTL_AUTO_FB_0) |
0863b4e2 | 1186 | byFallBack = AUTO_FB_0; |
b7fce6ae | 1187 | else if (wFIFOCtl & FIFOCTL_AUTO_FB_1) |
0863b4e2 | 1188 | byFallBack = AUTO_FB_1; |
b7fce6ae | 1189 | else |
0863b4e2 | 1190 | byFallBack = AUTO_FB_NONE; |
0863b4e2 | 1191 | |
14feab17 | 1192 | /* Only Unicast using support rates */ |
0863b4e2 SS |
1193 | if (wFIFOCtl & FIFOCTL_NEEDACK) { |
1194 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_STA) { | |
1195 | pMgmt->sNodeDBTable[0].uTxAttempts += 1; | |
77226ed7 | 1196 | if (!(byTSR & (TSR_TMO | TSR_RETRYTMO))) { |
14feab17 | 1197 | /* transmit success, TxAttempts at least plus one */ |
0863b4e2 | 1198 | pMgmt->sNodeDBTable[0].uTxOk[MAX_RATE]++; |
77226ed7 | 1199 | if ((byFallBack == AUTO_FB_NONE) || |
98e54917 | 1200 | (wRate < RATE_18M)) { |
0863b4e2 SS |
1201 | wFallBackRate = wRate; |
1202 | } else if (byFallBack == AUTO_FB_0) { | |
1203 | if (byTxRetry < 5) | |
98e54917 SS |
1204 | wFallBackRate = |
1205 | awHWRetry0[wRate-RATE_18M][byTxRetry]; | |
0863b4e2 | 1206 | else |
98e54917 SS |
1207 | wFallBackRate = |
1208 | awHWRetry0[wRate-RATE_18M][4]; | |
0863b4e2 SS |
1209 | } else if (byFallBack == AUTO_FB_1) { |
1210 | if (byTxRetry < 5) | |
98e54917 SS |
1211 | wFallBackRate = |
1212 | awHWRetry1[wRate-RATE_18M][byTxRetry]; | |
0863b4e2 SS |
1213 | else |
1214 | wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; | |
1215 | } | |
1216 | pMgmt->sNodeDBTable[0].uTxOk[wFallBackRate]++; | |
1217 | } else { | |
e435ef16 | 1218 | pMgmt->sNodeDBTable[0].uTxFailures++; |
33d33e42 | 1219 | } |
0863b4e2 SS |
1220 | pMgmt->sNodeDBTable[0].uTxRetry += byTxRetry; |
1221 | if (byTxRetry != 0) { | |
e435ef16 | 1222 | pMgmt->sNodeDBTable[0].uTxFail[MAX_RATE] += byTxRetry; |
72cac302 | 1223 | if (byFallBack == AUTO_FB_NONE || |
98e54917 | 1224 | wRate < RATE_18M) { |
e435ef16 | 1225 | pMgmt->sNodeDBTable[0].uTxFail[wRate] += byTxRetry; |
0863b4e2 SS |
1226 | } else if (byFallBack == AUTO_FB_0) { |
1227 | for (ii = 0; ii < byTxRetry; ii++) { | |
1228 | if (ii < 5) | |
1229 | wFallBackRate = | |
1230 | awHWRetry0[wRate-RATE_18M][ii]; | |
1231 | else | |
1232 | wFallBackRate = | |
1233 | awHWRetry0[wRate-RATE_18M][4]; | |
1234 | pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; | |
1235 | } | |
1236 | } else if (byFallBack == AUTO_FB_1) { | |
1237 | for (ii = 0; ii < byTxRetry; ii++) { | |
1238 | if (ii < 5) | |
1239 | wFallBackRate = | |
1240 | awHWRetry1[wRate-RATE_18M][ii]; | |
1241 | else | |
1242 | wFallBackRate = | |
1243 | awHWRetry1[wRate-RATE_18M][4]; | |
1244 | pMgmt->sNodeDBTable[0].uTxFail[wFallBackRate]++; | |
1245 | } | |
1246 | } | |
1247 | } | |
1248 | } | |
1249 | ||
72cac302 SR |
1250 | if ((pMgmt->eCurrMode == WMAC_MODE_IBSS_STA || |
1251 | pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && | |
1252 | BSSbIsSTAInNodeDB((void *) pDevice, | |
8f284d79 | 1253 | pbyDestAddr, |
72cac302 | 1254 | &uNodeIndex)) { |
8f284d79 SS |
1255 | pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts += 1; |
1256 | if (!(byTSR & (TSR_TMO | TSR_RETRYTMO))) { | |
1257 | /* transmit success, TxAttempts at least plus one */ | |
1258 | pMgmt->sNodeDBTable[uNodeIndex].uTxOk[MAX_RATE]++; | |
1259 | if ((byFallBack == AUTO_FB_NONE) || | |
1260 | (wRate < RATE_18M)) { | |
1261 | wFallBackRate = wRate; | |
1262 | } else if (byFallBack == AUTO_FB_0) { | |
1263 | if (byTxRetry < 5) | |
98e54917 SS |
1264 | wFallBackRate = |
1265 | awHWRetry0[wRate-RATE_18M][byTxRetry]; | |
8f284d79 | 1266 | else |
98e54917 SS |
1267 | wFallBackRate = |
1268 | awHWRetry0[wRate-RATE_18M][4]; | |
8f284d79 SS |
1269 | } else if (byFallBack == AUTO_FB_1) { |
1270 | if (byTxRetry < 5) | |
98e54917 SS |
1271 | wFallBackRate = |
1272 | awHWRetry1[wRate-RATE_18M][byTxRetry]; | |
8f284d79 | 1273 | else |
98e54917 SS |
1274 | wFallBackRate = |
1275 | awHWRetry1[wRate-RATE_18M][4]; | |
8f284d79 SS |
1276 | } |
1277 | pMgmt->sNodeDBTable[uNodeIndex].uTxOk[wFallBackRate]++; | |
1278 | } else { | |
1279 | pMgmt->sNodeDBTable[uNodeIndex].uTxFailures++; | |
1280 | } | |
1281 | pMgmt->sNodeDBTable[uNodeIndex].uTxRetry += byTxRetry; | |
1282 | if (byTxRetry != 0) { | |
1283 | pMgmt->sNodeDBTable[uNodeIndex].uTxFail[MAX_RATE] += byTxRetry; | |
1284 | if ((byFallBack == AUTO_FB_NONE) || | |
98e54917 | 1285 | (wRate < RATE_18M)) { |
8f284d79 SS |
1286 | pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wRate] += byTxRetry; |
1287 | } else if (byFallBack == AUTO_FB_0) { | |
1288 | for (ii = 0; ii < byTxRetry; ii++) { | |
1289 | if (ii < 5) | |
1290 | wFallBackRate = | |
1291 | awHWRetry0[wRate-RATE_18M][ii]; | |
0863b4e2 | 1292 | else |
8f284d79 SS |
1293 | wFallBackRate = |
1294 | awHWRetry0[wRate-RATE_18M][4]; | |
1295 | pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; | |
1296 | } | |
1297 | } else if (byFallBack == AUTO_FB_1) { | |
1298 | for (ii = 0; ii < byTxRetry; ii++) { | |
1299 | if (ii < 5) | |
1300 | wFallBackRate = awHWRetry1[wRate-RATE_18M][ii]; | |
0863b4e2 SS |
1301 | else |
1302 | wFallBackRate = awHWRetry1[wRate-RATE_18M][4]; | |
8f284d79 | 1303 | pMgmt->sNodeDBTable[uNodeIndex].uTxFail[wFallBackRate]++; |
0863b4e2 SS |
1304 | } |
1305 | } | |
33d33e42 | 1306 | } |
0863b4e2 SS |
1307 | } |
1308 | } | |
92b96797 FB |
1309 | } |
1310 | ||
14feab17 | 1311 | /* |
92b96797 | 1312 | * Routine Description: |
0863b4e2 | 1313 | * Clear Nodes & skb in DB Table |
92b96797 FB |
1314 | * |
1315 | * | |
1316 | * Parameters: | |
0863b4e2 SS |
1317 | * In: |
1318 | * hDeviceContext - The adapter context. | |
1319 | * uStartIndex - starting index | |
1320 | * Out: | |
1321 | * none | |
92b96797 FB |
1322 | * |
1323 | * Return Value: | |
0863b4e2 | 1324 | * None. |
14feab17 | 1325 | */ |
d56131de | 1326 | void BSSvClearNodeDBTable(struct vnt_private *pDevice, u32 uStartIndex) |
92b96797 | 1327 | { |
d56131de | 1328 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
0863b4e2 | 1329 | struct sk_buff *skb; |
d56131de | 1330 | int ii; |
92b96797 | 1331 | |
0863b4e2 SS |
1332 | for (ii = uStartIndex; ii < (MAX_NODE_NUM + 1); ii++) { |
1333 | if (pMgmt->sNodeDBTable[ii].bActive) { | |
14feab17 | 1334 | /* check if sTxPSQueue has been initial */ |
5918ed42 SR |
1335 | if (pMgmt->sNodeDBTable[ii].sTxPSQueue.next) { |
1336 | while ((skb = skb_dequeue(&pMgmt->sNodeDBTable[ii].sTxPSQueue))) { | |
98e54917 SS |
1337 | DBG_PRT(MSG_LEVEL_DEBUG, |
1338 | KERN_INFO "PS skb != NULL %d\n", | |
1339 | ii); | |
0863b4e2 SS |
1340 | dev_kfree_skb(skb); |
1341 | } | |
1342 | } | |
1343 | memset(&pMgmt->sNodeDBTable[ii], 0, sizeof(KnownNodeDB)); | |
1344 | } | |
1345 | } | |
13a36fe9 | 1346 | } |
92b96797 | 1347 | |
d56131de | 1348 | static void s_vCheckSensitivity(struct vnt_private *pDevice) |
92b96797 | 1349 | { |
d56131de MP |
1350 | PKnownBSS pBSSList = NULL; |
1351 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; | |
1352 | int ii; | |
92b96797 | 1353 | |
72cac302 | 1354 | if (pMgmt->eCurrState == WMAC_STATE_ASSOC || |
98e54917 SS |
1355 | (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA && |
1356 | pMgmt->eCurrState == WMAC_STATE_JOINTED)) { | |
1357 | pBSSList = BSSpAddrIsInBSSList(pDevice, pMgmt->abyCurrBSSID, | |
1358 | (PWLAN_IE_SSID) pMgmt->abyCurrSSID); | |
5918ed42 | 1359 | if (pBSSList) { |
0863b4e2 SS |
1360 | /* Update BB register if RSSI is too strong */ |
1361 | signed long LocalldBmAverage = 0; | |
1362 | signed long uNumofdBm = 0; | |
1363 | for (ii = 0; ii < RSSI_STAT_COUNT; ii++) { | |
1364 | if (pBSSList->ldBmAverage[ii] != 0) { | |
e435ef16 | 1365 | uNumofdBm++; |
0863b4e2 SS |
1366 | LocalldBmAverage += pBSSList->ldBmAverage[ii]; |
1367 | } | |
1368 | } | |
1369 | if (uNumofdBm > 0) { | |
1370 | LocalldBmAverage = LocalldBmAverage/uNumofdBm; | |
e435ef16 | 1371 | for (ii = 0; ii < BB_VGA_LEVEL; ii++) { |
98e54917 SS |
1372 | DBG_PRT(MSG_LEVEL_DEBUG, |
1373 | KERN_INFO"LocalldBmAverage:%ld, %ld %02x\n", | |
1374 | LocalldBmAverage, | |
1375 | pDevice->ldBmThreshold[ii], | |
1376 | pDevice->abyBBVGA[ii]); | |
0863b4e2 | 1377 | if (LocalldBmAverage < pDevice->ldBmThreshold[ii]) { |
98e54917 SS |
1378 | pDevice->byBBVGANew = |
1379 | pDevice->abyBBVGA[ii]; | |
0863b4e2 SS |
1380 | break; |
1381 | } | |
1382 | } | |
98e54917 SS |
1383 | if (pDevice->byBBVGANew != |
1384 | pDevice->byBBVGACurrent) { | |
0863b4e2 | 1385 | pDevice->uBBVGADiffCount++; |
98e54917 SS |
1386 | if (pDevice->uBBVGADiffCount >= |
1387 | BB_VGA_CHANGE_THRESHOLD) | |
0863b4e2 SS |
1388 | bScheduleCommand(pDevice, |
1389 | WLAN_CMD_CHANGE_BBSENSITIVITY, | |
1390 | NULL); | |
1391 | } else { | |
1392 | pDevice->uBBVGADiffCount = 0; | |
1393 | } | |
1394 | } | |
1395 | } | |
1396 | } | |
92b96797 FB |
1397 | } |
1398 | ||
d56131de | 1399 | static void s_uCalculateLinkQual(struct vnt_private *pDevice) |
92b96797 | 1400 | { |
854f775a | 1401 | struct net_device_stats *stats = &pDevice->stats; |
d56131de MP |
1402 | unsigned long TxOkRatio, TxCnt; |
1403 | unsigned long RxOkRatio, RxCnt; | |
1404 | unsigned long RssiRatio; | |
854f775a | 1405 | unsigned long qual; |
d56131de | 1406 | long ldBm; |
92b96797 | 1407 | |
854f775a MP |
1408 | TxCnt = stats->tx_packets + pDevice->wstats.discard.retries; |
1409 | ||
9a450f9a | 1410 | RxCnt = stats->rx_packets + stats->rx_frame_errors; |
854f775a MP |
1411 | |
1412 | TxOkRatio = (TxCnt < 6) ? 4000:((stats->tx_packets * 4000) / TxCnt); | |
1413 | ||
1414 | RxOkRatio = (RxCnt < 6) ? 2000 : | |
9a450f9a | 1415 | ((stats->rx_packets * 2000) / RxCnt); |
854f775a MP |
1416 | |
1417 | /* decide link quality */ | |
1418 | if (pDevice->bLinkPass != true) { | |
1419 | pDevice->wstats.qual.qual = 0; | |
854f775a | 1420 | } else { |
21bba58a | 1421 | vnt_rf_rssi_to_dbm(pDevice, (u8) (pDevice->uCurrRSSI), &ldBm); |
854f775a MP |
1422 | if (-ldBm < 50) |
1423 | RssiRatio = 4000; | |
1424 | else if (-ldBm > 90) | |
1425 | RssiRatio = 0; | |
1426 | else | |
1427 | RssiRatio = (40-(-ldBm-50)) * 4000 / 40; | |
1428 | ||
854f775a MP |
1429 | qual = (RssiRatio + TxOkRatio + RxOkRatio) / 100; |
1430 | if (qual < 100) | |
77226ed7 | 1431 | pDevice->wstats.qual.qual = (u8) qual; |
854f775a MP |
1432 | else |
1433 | pDevice->wstats.qual.qual = 100; | |
1434 | } | |
92b96797 | 1435 | } |
92b96797 | 1436 | |
d56131de | 1437 | void BSSvClearAnyBSSJoinRecord(struct vnt_private *pDevice) |
92b96797 | 1438 | { |
d56131de MP |
1439 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
1440 | int ii; | |
92b96797 | 1441 | |
ca76edeb | 1442 | for (ii = 0; ii < MAX_BSS_NUM; ii++) |
e269fc2d | 1443 | pMgmt->sBSSList[ii].bSelected = false; |
d56131de MP |
1444 | |
1445 | return; | |
92b96797 FB |
1446 | } |
1447 | ||
d56131de | 1448 | static void s_vCheckPreEDThreshold(struct vnt_private *pDevice) |
92b96797 | 1449 | { |
d56131de MP |
1450 | PKnownBSS pBSSList = NULL; |
1451 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; | |
92b96797 | 1452 | |
72cac302 | 1453 | if (pMgmt->eCurrState == WMAC_STATE_ASSOC || |
98e54917 SS |
1454 | (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA && |
1455 | pMgmt->eCurrState == WMAC_STATE_JOINTED)) { | |
1456 | pBSSList = BSSpAddrIsInBSSList(pDevice, | |
1457 | pMgmt->abyCurrBSSID, | |
1458 | (PWLAN_IE_SSID) pMgmt->abyCurrSSID); | |
5918ed42 | 1459 | if (pBSSList) { |
98e54917 SS |
1460 | pDevice->byBBPreEDRSSI = |
1461 | (u8) (~(pBSSList->ldBmAverRange) + 1); | |
0863b4e2 SS |
1462 | BBvUpdatePreEDThreshold(pDevice, false); |
1463 | } | |
1464 | } | |
92b96797 FB |
1465 | } |
1466 |