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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 | * | |
20 | * File: bssdb.h | |
21 | * | |
22 | * Purpose: Handles the Basic Service Set & Node Database functions | |
23 | * | |
24 | * Author: Lyndon Chen | |
25 | * | |
26 | * Date: July 16, 2002 | |
27 | * | |
28 | */ | |
29 | ||
30 | #ifndef __BSSDB_H__ | |
31 | #define __BSSDB_H__ | |
32 | ||
92b96797 | 33 | #include <linux/skbuff.h> |
92b96797 | 34 | #include "80211hdr.h" |
92b96797 | 35 | #include "80211mgr.h" |
92b96797 | 36 | #include "card.h" |
92b96797 | 37 | #include "mib.h" |
92b96797 FB |
38 | |
39 | /*--------------------- Export Definitions -------------------------*/ | |
40 | ||
41 | #define MAX_NODE_NUM 64 | |
42 | #define MAX_BSS_NUM 42 | |
43 | #define LOST_BEACON_COUNT 10 // 10 sec, XP defined | |
44 | #define MAX_PS_TX_BUF 32 // sta max power saving tx buf | |
45 | #define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only | |
46 | #define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh | |
47 | ||
48 | #define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period | |
49 | #define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check | |
50 | #define BSS_CLEAR_COUNT 1 | |
51 | ||
52 | #define RSSI_STAT_COUNT 10 | |
53 | #define MAX_CHECK_RSSI_COUNT 8 | |
54 | ||
55 | // STA dwflags | |
56 | #define WLAN_STA_AUTH BIT0 | |
57 | #define WLAN_STA_ASSOC BIT1 | |
58 | #define WLAN_STA_PS BIT2 | |
59 | #define WLAN_STA_TIM BIT3 | |
60 | // permanent; do not remove entry on expiration | |
61 | #define WLAN_STA_PERM BIT4 | |
62 | // If 802.1X is used, this flag is | |
63 | // controlling whether STA is authorized to | |
64 | // send and receive non-IEEE 802.1X frames | |
65 | #define WLAN_STA_AUTHORIZED BIT5 | |
66 | ||
67 | //#define MAX_RATE 12 | |
68 | ||
69 | #define MAX_WPA_IE_LEN 64 | |
70 | ||
71 | ||
72 | /*--------------------- Export Classes ----------------------------*/ | |
73 | ||
74 | /*--------------------- Export Variables --------------------------*/ | |
75 | ||
76 | ||
77 | /*--------------------- Export Types ------------------------------*/ | |
78 | ||
79 | // | |
80 | // IEEE 802.11 Structures and definitions | |
81 | // | |
82 | ||
83 | typedef struct tagSERPObject { | |
84 | BOOL bERPExist; | |
85 | BYTE byERP; | |
193a823c | 86 | }ERPObject, *PERPObject; |
92b96797 FB |
87 | |
88 | ||
89 | typedef struct tagSRSNCapObject { | |
90 | BOOL bRSNCapExist; | |
91 | WORD wRSNCap; | |
193a823c | 92 | }SRSNCapObject, *PSRSNCapObject; |
92b96797 FB |
93 | |
94 | // BSS info(AP) | |
95 | #pragma pack(1) | |
96 | typedef struct tagKnownBSS { | |
97 | // BSS info | |
98 | BOOL bActive; | |
99 | BYTE abyBSSID[WLAN_BSSID_LEN]; | |
100 | UINT uChannel; | |
101 | BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; | |
102 | BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; | |
103 | UINT uRSSI; | |
104 | BYTE bySQ; | |
105 | WORD wBeaconInterval; | |
106 | WORD wCapInfo; | |
107 | BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; | |
108 | BYTE byRxRate; | |
109 | ||
110 | // WORD wATIMWindow; | |
111 | BYTE byRSSIStatCnt; | |
112 | LONG ldBmMAX; | |
113 | LONG ldBmAverage[RSSI_STAT_COUNT]; | |
114 | LONG ldBmAverRange; | |
115 | //For any BSSID selection improvment | |
116 | BOOL bSelected; | |
117 | ||
118 | //++ WPA informations | |
119 | BOOL bWPAValid; | |
120 | BYTE byGKType; | |
121 | BYTE abyPKType[4]; | |
122 | WORD wPKCount; | |
123 | BYTE abyAuthType[4]; | |
124 | WORD wAuthCount; | |
125 | BYTE byDefaultK_as_PK; | |
126 | BYTE byReplayIdx; | |
127 | //-- | |
128 | ||
129 | //++ WPA2 informations | |
130 | BOOL bWPA2Valid; | |
131 | BYTE byCSSGK; | |
132 | WORD wCSSPKCount; | |
133 | BYTE abyCSSPK[4]; | |
134 | WORD wAKMSSAuthCount; | |
135 | BYTE abyAKMSSAuthType[4]; | |
136 | ||
137 | //++ wpactl | |
138 | BYTE byWPAIE[MAX_WPA_IE_LEN]; | |
139 | BYTE byRSNIE[MAX_WPA_IE_LEN]; | |
140 | WORD wWPALen; | |
141 | WORD wRSNLen; | |
142 | ||
143 | // Clear count | |
144 | UINT uClearCount; | |
145 | // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN]; | |
146 | UINT uIELength; | |
147 | QWORD qwBSSTimestamp; | |
148 | QWORD qwLocalTSF; // local TSF timer | |
149 | ||
150 | CARD_PHY_TYPE eNetworkTypeInUse; | |
151 | ||
152 | ERPObject sERP; | |
153 | SRSNCapObject sRSNCapObj; | |
154 | BYTE abyIEs[1024]; // don't move this field !! | |
155 | ||
156 | }__attribute__ ((__packed__)) | |
193a823c | 157 | KnownBSS , *PKnownBSS; |
92b96797 FB |
158 | |
159 | ||
160 | ||
161 | typedef enum tagNODE_STATE { | |
162 | NODE_FREE, | |
163 | NODE_AGED, | |
164 | NODE_KNOWN, | |
165 | NODE_AUTH, | |
166 | NODE_ASSOC | |
167 | } NODE_STATE, *PNODE_STATE; | |
168 | ||
169 | ||
170 | // STA node info | |
171 | typedef struct tagKnownNodeDB { | |
172 | // STA info | |
173 | BOOL bActive; | |
174 | BYTE abyMACAddr[WLAN_ADDR_LEN]; | |
175 | BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
176 | BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
177 | WORD wTxDataRate; | |
178 | BOOL bShortPreamble; | |
179 | BOOL bERPExist; | |
180 | BOOL bShortSlotTime; | |
181 | UINT uInActiveCount; | |
182 | WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. | |
183 | WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. | |
184 | WORD wSuppRate; | |
185 | BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode | |
186 | BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode | |
187 | ||
188 | // For AP mode | |
189 | struct sk_buff_head sTxPSQueue; | |
190 | WORD wCapInfo; | |
191 | WORD wListenInterval; | |
192 | WORD wAID; | |
193 | NODE_STATE eNodeState; | |
194 | BOOL bPSEnable; | |
195 | BOOL bRxPSPoll; | |
196 | BYTE byAuthSequence; | |
197 | ULONG ulLastRxJiffer; | |
198 | BYTE bySuppRate; | |
199 | DWORD dwFlags; | |
200 | WORD wEnQueueCnt; | |
201 | ||
202 | BOOL bOnFly; | |
203 | ULONGLONG KeyRSC; | |
204 | BYTE byKeyIndex; | |
205 | DWORD dwKeyIndex; | |
206 | BYTE byCipherSuite; | |
207 | DWORD dwTSC47_16; | |
208 | WORD wTSC15_0; | |
209 | UINT uWepKeyLength; | |
210 | BYTE abyWepKey[WLAN_WEPMAX_KEYLEN]; | |
211 | // | |
212 | // Auto rate fallback vars | |
213 | BOOL bIsInFallback; | |
214 | UINT uAverageRSSI; | |
215 | UINT uRateRecoveryTimeout; | |
216 | UINT uRatePollTimeout; | |
217 | UINT uTxFailures; | |
218 | UINT uTxAttempts; | |
219 | ||
220 | UINT uTxRetry; | |
221 | UINT uFailureRatio; | |
222 | UINT uRetryRatio; | |
223 | UINT uTxOk[MAX_RATE+1]; | |
224 | UINT uTxFail[MAX_RATE+1]; | |
225 | UINT uTimeCount; | |
226 | ||
193a823c | 227 | } KnownNodeDB, *PKnownNodeDB; |
92b96797 FB |
228 | |
229 | ||
230 | /*--------------------- Export Functions --------------------------*/ | |
231 | ||
232 | ||
233 | ||
234 | PKnownBSS | |
235 | BSSpSearchBSSList( | |
236 | IN HANDLE hDeviceContext, | |
237 | IN PBYTE pbyDesireBSSID, | |
238 | IN PBYTE pbyDesireSSID, | |
239 | IN CARD_PHY_TYPE ePhyType | |
240 | ); | |
241 | ||
242 | PKnownBSS | |
243 | BSSpAddrIsInBSSList( | |
244 | IN HANDLE hDeviceContext, | |
245 | IN PBYTE abyBSSID, | |
246 | IN PWLAN_IE_SSID pSSID | |
247 | ); | |
248 | ||
249 | VOID | |
250 | BSSvClearBSSList( | |
251 | IN HANDLE hDeviceContext, | |
252 | IN BOOL bKeepCurrBSSID | |
253 | ); | |
254 | ||
255 | BOOL | |
256 | BSSbInsertToBSSList( | |
257 | IN HANDLE hDeviceContext, | |
258 | IN PBYTE abyBSSIDAddr, | |
259 | IN QWORD qwTimestamp, | |
260 | IN WORD wBeaconInterval, | |
261 | IN WORD wCapInfo, | |
262 | IN BYTE byCurrChannel, | |
263 | IN PWLAN_IE_SSID pSSID, | |
264 | IN PWLAN_IE_SUPP_RATES pSuppRates, | |
265 | IN PWLAN_IE_SUPP_RATES pExtSuppRates, | |
266 | IN PERPObject psERP, | |
267 | IN PWLAN_IE_RSN pRSN, | |
268 | IN PWLAN_IE_RSN_EXT pRSNWPA, | |
269 | IN PWLAN_IE_COUNTRY pIE_Country, | |
270 | IN PWLAN_IE_QUIET pIE_Quiet, | |
271 | IN UINT uIELength, | |
272 | IN PBYTE pbyIEs, | |
273 | IN HANDLE pRxPacketContext | |
274 | ); | |
275 | ||
276 | ||
277 | BOOL | |
278 | BSSbUpdateToBSSList( | |
279 | IN HANDLE hDeviceContext, | |
280 | IN QWORD qwTimestamp, | |
281 | IN WORD wBeaconInterval, | |
282 | IN WORD wCapInfo, | |
283 | IN BYTE byCurrChannel, | |
284 | IN BOOL bChannelHit, | |
285 | IN PWLAN_IE_SSID pSSID, | |
286 | IN PWLAN_IE_SUPP_RATES pSuppRates, | |
287 | IN PWLAN_IE_SUPP_RATES pExtSuppRates, | |
288 | IN PERPObject psERP, | |
289 | IN PWLAN_IE_RSN pRSN, | |
290 | IN PWLAN_IE_RSN_EXT pRSNWPA, | |
291 | IN PWLAN_IE_COUNTRY pIE_Country, | |
292 | IN PWLAN_IE_QUIET pIE_Quiet, | |
293 | IN PKnownBSS pBSSList, | |
294 | IN UINT uIELength, | |
295 | IN PBYTE pbyIEs, | |
296 | IN HANDLE pRxPacketContext | |
297 | ); | |
298 | ||
299 | ||
300 | BOOL | |
301 | BSSbIsSTAInNodeDB( | |
302 | IN HANDLE hDeviceContext, | |
303 | IN PBYTE abyDstAddr, | |
304 | OUT PUINT puNodeIndex | |
305 | ); | |
306 | ||
307 | VOID | |
308 | BSSvCreateOneNode( | |
309 | IN HANDLE hDeviceContext, | |
310 | OUT PUINT puNodeIndex | |
311 | ); | |
312 | ||
313 | VOID | |
314 | BSSvUpdateAPNode( | |
315 | IN HANDLE hDeviceContext, | |
316 | IN PWORD pwCapInfo, | |
317 | IN PWLAN_IE_SUPP_RATES pItemRates, | |
318 | IN PWLAN_IE_SUPP_RATES pExtSuppRates | |
319 | ); | |
320 | ||
321 | ||
322 | VOID | |
323 | BSSvSecondCallBack( | |
324 | IN HANDLE hDeviceContext | |
325 | ); | |
326 | ||
327 | ||
328 | VOID | |
329 | BSSvUpdateNodeTxCounter( | |
330 | IN HANDLE hDeviceContext, | |
331 | IN PSStatCounter pStatistic, | |
332 | IN BYTE byTSR, | |
333 | IN BYTE byPktNO | |
334 | ); | |
335 | ||
336 | VOID | |
337 | BSSvRemoveOneNode( | |
338 | IN HANDLE hDeviceContext, | |
339 | IN UINT uNodeIndex | |
340 | ); | |
341 | ||
342 | VOID | |
343 | BSSvAddMulticastNode( | |
344 | IN HANDLE hDeviceContext | |
345 | ); | |
346 | ||
347 | ||
348 | VOID | |
349 | BSSvClearNodeDBTable( | |
350 | IN HANDLE hDeviceContext, | |
351 | IN UINT uStartIndex | |
352 | ); | |
353 | ||
354 | VOID | |
355 | BSSvClearAnyBSSJoinRecord( | |
356 | IN HANDLE hDeviceContext | |
357 | ); | |
358 | ||
359 | #endif //__BSSDB_H__ |