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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 | * | |
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 | 38 | |
92b96797 FB |
39 | #define MAX_NODE_NUM 64 |
40 | #define MAX_BSS_NUM 42 | |
d9d1ccb5 | 41 | #define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */ |
92b96797 FB |
42 | #define MAX_PS_TX_BUF 32 // sta max power saving tx buf |
43 | #define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only | |
44 | #define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh | |
45 | ||
46 | #define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period | |
47 | #define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check | |
48 | #define BSS_CLEAR_COUNT 1 | |
49 | ||
50 | #define RSSI_STAT_COUNT 10 | |
51 | #define MAX_CHECK_RSSI_COUNT 8 | |
52 | ||
53 | // STA dwflags | |
54 | #define WLAN_STA_AUTH BIT0 | |
55 | #define WLAN_STA_ASSOC BIT1 | |
56 | #define WLAN_STA_PS BIT2 | |
57 | #define WLAN_STA_TIM BIT3 | |
58 | // permanent; do not remove entry on expiration | |
59 | #define WLAN_STA_PERM BIT4 | |
60 | // If 802.1X is used, this flag is | |
61 | // controlling whether STA is authorized to | |
62 | // send and receive non-IEEE 802.1X frames | |
63 | #define WLAN_STA_AUTHORIZED BIT5 | |
64 | ||
92b96797 FB |
65 | #define MAX_WPA_IE_LEN 64 |
66 | ||
92b96797 FB |
67 | // |
68 | // IEEE 802.11 Structures and definitions | |
69 | // | |
70 | ||
71 | typedef struct tagSERPObject { | |
dfdcc425 | 72 | bool bERPExist; |
b902fbfe | 73 | u8 byERP; |
d9d1ccb5 | 74 | } ERPObject, *PERPObject; |
92b96797 | 75 | |
92b96797 | 76 | typedef struct tagSRSNCapObject { |
dfdcc425 | 77 | bool bRSNCapExist; |
3eaca0d2 | 78 | u16 wRSNCap; |
d9d1ccb5 | 79 | } SRSNCapObject, *PSRSNCapObject; |
92b96797 FB |
80 | |
81 | // BSS info(AP) | |
92b96797 FB |
82 | typedef struct tagKnownBSS { |
83 | // BSS info | |
dfdcc425 | 84 | bool bActive; |
b902fbfe | 85 | u8 abyBSSID[WLAN_BSSID_LEN]; |
cc856e61 | 86 | unsigned int uChannel; |
b902fbfe AM |
87 | u8 abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; |
88 | u8 abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1]; | |
cc856e61 | 89 | unsigned int uRSSI; |
b902fbfe | 90 | u8 bySQ; |
3eaca0d2 AM |
91 | u16 wBeaconInterval; |
92 | u16 wCapInfo; | |
b902fbfe AM |
93 | u8 abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1]; |
94 | u8 byRxRate; | |
92b96797 | 95 | |
3eaca0d2 | 96 | // u16 wATIMWindow; |
b902fbfe | 97 | u8 byRSSIStatCnt; |
213d2e93 AM |
98 | signed long ldBmMAX; |
99 | signed long ldBmAverage[RSSI_STAT_COUNT]; | |
100 | signed long ldBmAverRange; | |
92b96797 | 101 | //For any BSSID selection improvment |
dfdcc425 | 102 | bool bSelected; |
92b96797 FB |
103 | |
104 | //++ WPA informations | |
dfdcc425 | 105 | bool bWPAValid; |
b902fbfe AM |
106 | u8 byGKType; |
107 | u8 abyPKType[4]; | |
3eaca0d2 | 108 | u16 wPKCount; |
b902fbfe | 109 | u8 abyAuthType[4]; |
3eaca0d2 | 110 | u16 wAuthCount; |
b902fbfe AM |
111 | u8 byDefaultK_as_PK; |
112 | u8 byReplayIdx; | |
92b96797 FB |
113 | //-- |
114 | ||
115 | //++ WPA2 informations | |
dfdcc425 | 116 | bool bWPA2Valid; |
b902fbfe | 117 | u8 byCSSGK; |
3eaca0d2 | 118 | u16 wCSSPKCount; |
b902fbfe | 119 | u8 abyCSSPK[4]; |
3eaca0d2 | 120 | u16 wAKMSSAuthCount; |
b902fbfe | 121 | u8 abyAKMSSAuthType[4]; |
92b96797 FB |
122 | |
123 | //++ wpactl | |
b902fbfe AM |
124 | u8 byWPAIE[MAX_WPA_IE_LEN]; |
125 | u8 byRSNIE[MAX_WPA_IE_LEN]; | |
3eaca0d2 AM |
126 | u16 wWPALen; |
127 | u16 wRSNLen; | |
92b96797 FB |
128 | |
129 | // Clear count | |
cc856e61 | 130 | unsigned int uClearCount; |
b902fbfe | 131 | // u8 abyIEs[WLAN_BEACON_FR_MAXLEN]; |
cc856e61 | 132 | unsigned int uIELength; |
7c65fa2a MP |
133 | u64 qwBSSTimestamp; |
134 | u64 qwLocalTSF;/* local TSF timer */ | |
92b96797 FB |
135 | |
136 | CARD_PHY_TYPE eNetworkTypeInUse; | |
137 | ||
138 | ERPObject sERP; | |
139 | SRSNCapObject sRSNCapObj; | |
b902fbfe | 140 | u8 abyIEs[1024]; // don't move this field !! |
92b96797 | 141 | |
d9d1ccb5 | 142 | } __attribute__ ((__packed__)) |
193a823c | 143 | KnownBSS , *PKnownBSS; |
92b96797 | 144 | |
92b96797 FB |
145 | typedef enum tagNODE_STATE { |
146 | NODE_FREE, | |
147 | NODE_AGED, | |
148 | NODE_KNOWN, | |
149 | NODE_AUTH, | |
150 | NODE_ASSOC | |
151 | } NODE_STATE, *PNODE_STATE; | |
152 | ||
92b96797 FB |
153 | // STA node info |
154 | typedef struct tagKnownNodeDB { | |
155 | // STA info | |
dfdcc425 | 156 | bool bActive; |
b902fbfe AM |
157 | u8 abyMACAddr[WLAN_ADDR_LEN]; |
158 | u8 abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
159 | u8 abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN]; | |
3eaca0d2 | 160 | u16 wTxDataRate; |
dfdcc425 AM |
161 | bool bShortPreamble; |
162 | bool bERPExist; | |
163 | bool bShortSlotTime; | |
cc856e61 | 164 | unsigned int uInActiveCount; |
3eaca0d2 AM |
165 | u16 wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. |
166 | u16 wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. | |
167 | u16 wSuppRate; | |
b902fbfe AM |
168 | u8 byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode |
169 | u8 byTopCCKBasicRate; //Records the highest basic rate in CCK mode | |
92b96797 FB |
170 | |
171 | // For AP mode | |
172 | struct sk_buff_head sTxPSQueue; | |
3eaca0d2 AM |
173 | u16 wCapInfo; |
174 | u16 wListenInterval; | |
175 | u16 wAID; | |
92b96797 | 176 | NODE_STATE eNodeState; |
dfdcc425 AM |
177 | bool bPSEnable; |
178 | bool bRxPSPoll; | |
b902fbfe | 179 | u8 byAuthSequence; |
cc856e61 | 180 | unsigned long ulLastRxJiffer; |
b902fbfe | 181 | u8 bySuppRate; |
52a7e64b | 182 | u32 dwFlags; |
3eaca0d2 | 183 | u16 wEnQueueCnt; |
92b96797 | 184 | |
dfdcc425 | 185 | bool bOnFly; |
cc856e61 | 186 | unsigned long long KeyRSC; |
b902fbfe | 187 | u8 byKeyIndex; |
52a7e64b | 188 | u32 dwKeyIndex; |
b902fbfe | 189 | u8 byCipherSuite; |
52a7e64b | 190 | u32 dwTSC47_16; |
3eaca0d2 | 191 | u16 wTSC15_0; |
cc856e61 | 192 | unsigned int uWepKeyLength; |
b902fbfe | 193 | u8 abyWepKey[WLAN_WEPMAX_KEYLEN]; |
92b96797 FB |
194 | // |
195 | // Auto rate fallback vars | |
dfdcc425 | 196 | bool bIsInFallback; |
cc856e61 AM |
197 | unsigned int uAverageRSSI; |
198 | unsigned int uRateRecoveryTimeout; | |
199 | unsigned int uRatePollTimeout; | |
200 | unsigned int uTxFailures; | |
201 | unsigned int uTxAttempts; | |
202 | ||
203 | unsigned int uTxRetry; | |
204 | unsigned int uFailureRatio; | |
205 | unsigned int uRetryRatio; | |
206 | unsigned int uTxOk[MAX_RATE+1]; | |
207 | unsigned int uTxFail[MAX_RATE+1]; | |
208 | unsigned int uTimeCount; | |
92b96797 | 209 | |
193a823c | 210 | } KnownNodeDB, *PKnownNodeDB; |
92b96797 | 211 | |
d56131de MP |
212 | PKnownBSS BSSpSearchBSSList(struct vnt_private *, u8 *pbyDesireBSSID, |
213 | u8 *pbyDesireSSID, CARD_PHY_TYPE ePhyType); | |
0cbd8d98 | 214 | |
d56131de MP |
215 | PKnownBSS BSSpAddrIsInBSSList(struct vnt_private *, u8 *abyBSSID, |
216 | PWLAN_IE_SSID pSSID); | |
0cbd8d98 | 217 | |
d56131de | 218 | void BSSvClearBSSList(struct vnt_private *, int bKeepCurrBSSID); |
0cbd8d98 | 219 | |
d56131de MP |
220 | int BSSbInsertToBSSList(struct vnt_private *, |
221 | u8 *abyBSSIDAddr, | |
7c65fa2a | 222 | u64 qwTimestamp, |
d56131de MP |
223 | u16 wBeaconInterval, |
224 | u16 wCapInfo, | |
225 | u8 byCurrChannel, | |
226 | PWLAN_IE_SSID pSSID, | |
227 | PWLAN_IE_SUPP_RATES pSuppRates, | |
228 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
229 | PERPObject psERP, | |
230 | PWLAN_IE_RSN pRSN, | |
231 | PWLAN_IE_RSN_EXT pRSNWPA, | |
232 | PWLAN_IE_COUNTRY pIE_Country, | |
233 | PWLAN_IE_QUIET pIE_Quiet, | |
234 | u32 uIELength, | |
235 | u8 *pbyIEs, | |
236 | void *pRxPacketContext); | |
237 | ||
238 | int BSSbUpdateToBSSList(struct vnt_private *, | |
7c65fa2a | 239 | u64 qwTimestamp, |
d56131de MP |
240 | u16 wBeaconInterval, |
241 | u16 wCapInfo, | |
242 | u8 byCurrChannel, | |
243 | int bChannelHit, | |
244 | PWLAN_IE_SSID pSSID, | |
245 | PWLAN_IE_SUPP_RATES pSuppRates, | |
246 | PWLAN_IE_SUPP_RATES pExtSuppRates, | |
247 | PERPObject psERP, | |
248 | PWLAN_IE_RSN pRSN, | |
249 | PWLAN_IE_RSN_EXT pRSNWPA, | |
250 | PWLAN_IE_COUNTRY pIE_Country, | |
251 | PWLAN_IE_QUIET pIE_Quiet, | |
252 | PKnownBSS pBSSList, | |
253 | u32 uIELength, | |
254 | u8 *pbyIEs, | |
255 | void *pRxPacketContext); | |
256 | ||
b902fbfe | 257 | int BSSbIsSTAInNodeDB(struct vnt_private *, u8 * abyDstAddr, |
d56131de MP |
258 | u32 *puNodeIndex); |
259 | ||
260 | void BSSvCreateOneNode(struct vnt_private *, u32 *puNodeIndex); | |
261 | ||
262 | void BSSvUpdateAPNode(struct vnt_private *, u16 *pwCapInfo, | |
263 | PWLAN_IE_SUPP_RATES pItemRates, PWLAN_IE_SUPP_RATES pExtSuppRates); | |
264 | ||
bd9a6dba | 265 | void BSSvSecondCallBack(struct work_struct *work); |
d56131de | 266 | |
51934e7f | 267 | void BSSvUpdateNodeTxCounter(struct vnt_private *, u8 byTSR, u8 byPktNO); |
d56131de MP |
268 | |
269 | void BSSvRemoveOneNode(struct vnt_private *, u32 uNodeIndex); | |
270 | ||
271 | void BSSvAddMulticastNode(struct vnt_private *); | |
272 | ||
273 | void BSSvClearNodeDBTable(struct vnt_private *, u32 uStartIndex); | |
274 | ||
275 | void BSSvClearAnyBSSJoinRecord(struct vnt_private *); | |
92b96797 | 276 | |
e7b07d1d | 277 | #endif /* __BSSDB_H__ */ |