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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 | |
d9d1ccb5 | 43 | #define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */ |
92b96797 FB |
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 | ||
92b96797 FB |
67 | #define MAX_WPA_IE_LEN 64 |
68 | ||
69 | ||
70 | /*--------------------- Export Classes ----------------------------*/ | |
71 | ||
72 | /*--------------------- Export Variables --------------------------*/ | |
73 | ||
74 | ||
75 | /*--------------------- Export Types ------------------------------*/ | |
76 | ||
77 | // | |
78 | // IEEE 802.11 Structures and definitions | |
79 | // | |
80 | ||
81 | typedef struct tagSERPObject { | |
82 | BOOL bERPExist; | |
83 | BYTE byERP; | |
d9d1ccb5 | 84 | } ERPObject, *PERPObject; |
92b96797 FB |
85 | |
86 | ||
87 | typedef struct tagSRSNCapObject { | |
88 | BOOL bRSNCapExist; | |
89 | WORD wRSNCap; | |
d9d1ccb5 | 90 | } SRSNCapObject, *PSRSNCapObject; |
92b96797 FB |
91 | |
92 | // BSS info(AP) | |
93 | #pragma pack(1) | |
94 | typedef struct tagKnownBSS { | |
95 | // BSS info | |
96 | BOOL bActive; | |
97 | BYTE abyBSSID[WLAN_BSSID_LEN]; | |
cc856e61 | 98 | unsigned int uChannel; |
92b96797 FB |
99 | BYTE abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
100 | BYTE abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; | |
cc856e61 | 101 | unsigned int uRSSI; |
92b96797 FB |
102 | BYTE bySQ; |
103 | WORD wBeaconInterval; | |
104 | WORD wCapInfo; | |
105 | BYTE abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; | |
106 | BYTE byRxRate; | |
107 | ||
108 | // WORD wATIMWindow; | |
109 | BYTE byRSSIStatCnt; | |
213d2e93 AM |
110 | signed long ldBmMAX; |
111 | signed long ldBmAverage[RSSI_STAT_COUNT]; | |
112 | signed long ldBmAverRange; | |
92b96797 FB |
113 | //For any BSSID selection improvment |
114 | BOOL bSelected; | |
115 | ||
116 | //++ WPA informations | |
117 | BOOL bWPAValid; | |
118 | BYTE byGKType; | |
119 | BYTE abyPKType[4]; | |
120 | WORD wPKCount; | |
121 | BYTE abyAuthType[4]; | |
122 | WORD wAuthCount; | |
123 | BYTE byDefaultK_as_PK; | |
124 | BYTE byReplayIdx; | |
125 | //-- | |
126 | ||
127 | //++ WPA2 informations | |
128 | BOOL bWPA2Valid; | |
129 | BYTE byCSSGK; | |
130 | WORD wCSSPKCount; | |
131 | BYTE abyCSSPK[4]; | |
132 | WORD wAKMSSAuthCount; | |
133 | BYTE abyAKMSSAuthType[4]; | |
134 | ||
135 | //++ wpactl | |
136 | BYTE byWPAIE[MAX_WPA_IE_LEN]; | |
137 | BYTE byRSNIE[MAX_WPA_IE_LEN]; | |
138 | WORD wWPALen; | |
139 | WORD wRSNLen; | |
140 | ||
141 | // Clear count | |
cc856e61 | 142 | unsigned int uClearCount; |
92b96797 | 143 | // BYTE abyIEs[WLAN_BEACON_FR_MAXLEN]; |
cc856e61 | 144 | unsigned int uIELength; |
92b96797 FB |
145 | QWORD qwBSSTimestamp; |
146 | QWORD qwLocalTSF; // local TSF timer | |
147 | ||
148 | CARD_PHY_TYPE eNetworkTypeInUse; | |
149 | ||
150 | ERPObject sERP; | |
151 | SRSNCapObject sRSNCapObj; | |
152 | BYTE abyIEs[1024]; // don't move this field !! | |
153 | ||
d9d1ccb5 | 154 | } __attribute__ ((__packed__)) |
193a823c | 155 | KnownBSS , *PKnownBSS; |
92b96797 FB |
156 | |
157 | ||
158 | ||
159 | typedef enum tagNODE_STATE { | |
160 | NODE_FREE, | |
161 | NODE_AGED, | |
162 | NODE_KNOWN, | |
163 | NODE_AUTH, | |
164 | NODE_ASSOC | |
165 | } NODE_STATE, *PNODE_STATE; | |
166 | ||
167 | ||
168 | // STA node info | |
169 | typedef struct tagKnownNodeDB { | |
170 | // STA info | |
171 | BOOL bActive; | |
172 | BYTE abyMACAddr[WLAN_ADDR_LEN]; | |
173 | BYTE abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
174 | BYTE abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
175 | WORD wTxDataRate; | |
176 | BOOL bShortPreamble; | |
177 | BOOL bERPExist; | |
178 | BOOL bShortSlotTime; | |
cc856e61 | 179 | unsigned int uInActiveCount; |
92b96797 FB |
180 | WORD wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. |
181 | WORD wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. | |
182 | WORD wSuppRate; | |
183 | BYTE byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode | |
184 | BYTE byTopCCKBasicRate; //Records the highest basic rate in CCK mode | |
185 | ||
186 | // For AP mode | |
187 | struct sk_buff_head sTxPSQueue; | |
188 | WORD wCapInfo; | |
189 | WORD wListenInterval; | |
190 | WORD wAID; | |
191 | NODE_STATE eNodeState; | |
192 | BOOL bPSEnable; | |
193 | BOOL bRxPSPoll; | |
194 | BYTE byAuthSequence; | |
cc856e61 | 195 | unsigned long ulLastRxJiffer; |
92b96797 FB |
196 | BYTE bySuppRate; |
197 | DWORD dwFlags; | |
198 | WORD wEnQueueCnt; | |
199 | ||
200 | BOOL bOnFly; | |
cc856e61 | 201 | unsigned long long KeyRSC; |
92b96797 FB |
202 | BYTE byKeyIndex; |
203 | DWORD dwKeyIndex; | |
204 | BYTE byCipherSuite; | |
205 | DWORD dwTSC47_16; | |
206 | WORD wTSC15_0; | |
cc856e61 | 207 | unsigned int uWepKeyLength; |
92b96797 FB |
208 | BYTE abyWepKey[WLAN_WEPMAX_KEYLEN]; |
209 | // | |
210 | // Auto rate fallback vars | |
211 | BOOL bIsInFallback; | |
cc856e61 AM |
212 | unsigned int uAverageRSSI; |
213 | unsigned int uRateRecoveryTimeout; | |
214 | unsigned int uRatePollTimeout; | |
215 | unsigned int uTxFailures; | |
216 | unsigned int uTxAttempts; | |
217 | ||
218 | unsigned int uTxRetry; | |
219 | unsigned int uFailureRatio; | |
220 | unsigned int uRetryRatio; | |
221 | unsigned int uTxOk[MAX_RATE+1]; | |
222 | unsigned int uTxFail[MAX_RATE+1]; | |
223 | unsigned int uTimeCount; | |
92b96797 | 224 | |
193a823c | 225 | } KnownNodeDB, *PKnownNodeDB; |
92b96797 | 226 | |
92b96797 FB |
227 | /*--------------------- Export Functions --------------------------*/ |
228 | ||
0cbd8d98 AM |
229 | PKnownBSS BSSpSearchBSSList(void *hDeviceContext, |
230 | PBYTE pbyDesireBSSID, | |
231 | PBYTE pbyDesireSSID, | |
232 | CARD_PHY_TYPE ePhyType); | |
233 | ||
234 | PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext, | |
235 | PBYTE abyBSSID, | |
236 | PWLAN_IE_SSID pSSID); | |
237 | ||
238 | void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID); | |
239 | ||
240 | BOOL BSSbInsertToBSSList(void *hDeviceContext, | |
241 | PBYTE abyBSSIDAddr, | |
242 | QWORD qwTimestamp, | |
243 | WORD wBeaconInterval, | |
244 | WORD wCapInfo, | |
245 | BYTE byCurrChannel, | |
246 | PWLAN_IE_SSID pSSID, | |
247 | PWLAN_IE_SUPP_RATES pSuppRates, | |
248 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
249 | PERPObject psERP, | |
250 | PWLAN_IE_RSN pRSN, | |
251 | PWLAN_IE_RSN_EXT pRSNWPA, | |
252 | PWLAN_IE_COUNTRY pIE_Country, | |
253 | PWLAN_IE_QUIET pIE_Quiet, | |
cc856e61 | 254 | unsigned int uIELength, |
0cbd8d98 AM |
255 | PBYTE pbyIEs, |
256 | void *pRxPacketContext); | |
257 | ||
258 | BOOL BSSbUpdateToBSSList(void *hDeviceContext, | |
259 | QWORD qwTimestamp, | |
260 | WORD wBeaconInterval, | |
261 | WORD wCapInfo, | |
262 | BYTE byCurrChannel, | |
263 | BOOL bChannelHit, | |
264 | PWLAN_IE_SSID pSSID, | |
265 | PWLAN_IE_SUPP_RATES pSuppRates, | |
266 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
267 | PERPObject psERP, | |
268 | PWLAN_IE_RSN pRSN, | |
269 | PWLAN_IE_RSN_EXT pRSNWPA, | |
270 | PWLAN_IE_COUNTRY pIE_Country, | |
271 | PWLAN_IE_QUIET pIE_Quiet, | |
272 | PKnownBSS pBSSList, | |
cc856e61 | 273 | unsigned int uIELength, |
0cbd8d98 AM |
274 | PBYTE pbyIEs, |
275 | void *pRxPacketContext); | |
276 | ||
277 | BOOL BSSbIsSTAInNodeDB(void *hDeviceContext, | |
278 | PBYTE abyDstAddr, | |
93a94c42 | 279 | unsigned int *puNodeIndex); |
0cbd8d98 | 280 | |
93a94c42 | 281 | void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex); |
0cbd8d98 AM |
282 | |
283 | void BSSvUpdateAPNode(void *hDeviceContext, | |
284 | PWORD pwCapInfo, | |
285 | PWLAN_IE_SUPP_RATES pItemRates, | |
286 | PWLAN_IE_SUPP_RATES pExtSuppRates); | |
287 | ||
288 | void BSSvSecondCallBack(void *hDeviceContext); | |
289 | ||
290 | void BSSvUpdateNodeTxCounter(void *hDeviceContext, | |
291 | PSStatCounter pStatistic, | |
292 | BYTE byTSR, | |
293 | BYTE byPktNO); | |
294 | ||
295 | void BSSvRemoveOneNode(void *hDeviceContext, | |
cc856e61 | 296 | unsigned int uNodeIndex); |
0cbd8d98 AM |
297 | |
298 | void BSSvAddMulticastNode(void *hDeviceContext); | |
299 | ||
300 | void BSSvClearNodeDBTable(void *hDeviceContext, | |
cc856e61 | 301 | unsigned int uStartIndex); |
0cbd8d98 AM |
302 | |
303 | void BSSvClearAnyBSSJoinRecord(void *hDeviceContext); | |
92b96797 | 304 | |
e7b07d1d | 305 | #endif /* __BSSDB_H__ */ |