1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: bssdb.h
*
* Purpose: Handles the Basic Service Set & Node Database functions
*
* Author: Lyndon Chen
*
* Date: July 16, 2002
*
*/
#ifndef __BSSDB_H__
#define __BSSDB_H__
#include <linux/skbuff.h>
#include "80211hdr.h"
#include "80211mgr.h"
#include "card.h"
#define MAX_NODE_NUM 64
#define MAX_BSS_NUM 42
#define LOST_BEACON_COUNT 10 /* 10 sec, XP defined */
#define MAX_PS_TX_BUF 32 /* sta max power saving tx buf */
#define ADHOC_LOST_BEACON_COUNT 30 /* 30 sec, beacon lost for adhoc only */
#define MAX_INACTIVE_COUNT 300 /* 300 sec, inactive STA node refresh */
#define USE_PROTECT_PERIOD 10 /*10 sec, Use protect mode check period*/
#define ERP_RECOVER_COUNT 30 /* 30 sec, ERP support callback check */
#define BSS_CLEAR_COUNT 1
#define RSSI_STAT_COUNT 10
#define MAX_CHECK_RSSI_COUNT 8
/* STA dwflags */
#define WLAN_STA_AUTH BIT0
#define WLAN_STA_ASSOC BIT1
#define WLAN_STA_PS BIT2
#define WLAN_STA_TIM BIT3
/* permanent; do not remove entry on expiration */
#define WLAN_STA_PERM BIT4
/*
* If 802.1X is used, this flag is controlling whether STA is authorized
* to send and receive non-IEEE 802.1X frames
*/
#define WLAN_STA_AUTHORIZED BIT5
#define MAX_RATE 12
#define MAX_WPA_IE_LEN 64
/* IEEE 802.11 Structures and definitions */
typedef enum _NDIS_802_11_NETWORK_TYPE {
Ndis802_11FH,
Ndis802_11DS,
Ndis802_11OFDM5,
Ndis802_11OFDM24,
Ndis802_11NetworkTypeMax /* defined as an upper bound */
} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
typedef struct tagSERPObject {
bool bERPExist;
unsigned char byERP;
} ERPObject, *PERPObject;
typedef struct tagSRSNCapObject {
bool bRSNCapExist;
unsigned short wRSNCap;
} SRSNCapObject, *PSRSNCapObject;
/* BSS info(AP) */
#pragma pack(1)
typedef struct tagKnownBSS {
bool bActive;
unsigned char abyBSSID[WLAN_BSSID_LEN];
unsigned int uChannel;
unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
unsigned int uRSSI;
unsigned char bySQ;
unsigned short wBeaconInterval;
unsigned short wCapInfo;
unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
unsigned char byRxRate;
unsigned char byRSSIStatCnt;
long ldBmMAX;
long ldBmAverage[RSSI_STAT_COUNT];
long ldBmAverRange;
bool bSelected;
bool bWPAValid;
unsigned char byGKType;
unsigned char abyPKType[4];
unsigned short wPKCount;
unsigned char abyAuthType[4];
unsigned short wAuthCount;
unsigned char byDefaultK_as_PK;
unsigned char byReplayIdx;
bool bWPA2Valid;
unsigned char byCSSGK;
unsigned short wCSSPKCount;
unsigned char abyCSSPK[4];
unsigned short wAKMSSAuthCount;
unsigned char abyAKMSSAuthType[4];
unsigned char byWPAIE[MAX_WPA_IE_LEN];
unsigned char byRSNIE[MAX_WPA_IE_LEN];
unsigned short wWPALen;
unsigned short wRSNLen;
unsigned int uClearCount;
unsigned int uIELength;
u64 qwBSSTimestamp;
u64 qwLocalTSF;
CARD_PHY_TYPE eNetworkTypeInUse;
ERPObject sERP;
SRSNCapObject sRSNCapObj;
unsigned char abyIEs[1024];
} __attribute__ ((__packed__))
KnownBSS , *PKnownBSS;
#pragma pack()
typedef enum tagNODE_STATE {
NODE_FREE,
NODE_AGED,
NODE_KNOWN,
NODE_AUTH,
NODE_ASSOC
} NODE_STATE, *PNODE_STATE;
/* STA node info */
typedef struct tagKnownNodeDB {
bool bActive;
unsigned char abyMACAddr[WLAN_ADDR_LEN];
unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
unsigned short wTxDataRate;
bool bShortPreamble;
bool bERPExist;
bool bShortSlotTime;
unsigned int uInActiveCount;
unsigned short wMaxBasicRate; /* Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp. */
unsigned short wMaxSuppRate; /* Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon. */
unsigned short wSuppRate;
unsigned char byTopOFDMBasicRate; /* Records the highest basic rate in OFDM mode */
unsigned char byTopCCKBasicRate; /* Records the highest basic rate in CCK mode */
/* For AP mode */
struct sk_buff_head sTxPSQueue;
unsigned short wCapInfo;
unsigned short wListenInterval;
unsigned short wAID;
NODE_STATE eNodeState;
bool bPSEnable;
bool bRxPSPoll;
unsigned char byAuthSequence;
unsigned long ulLastRxJiffer;
unsigned char bySuppRate;
unsigned long dwFlags;
unsigned short wEnQueueCnt;
bool bOnFly;
unsigned long long KeyRSC;
unsigned char byKeyIndex;
unsigned long dwKeyIndex;
unsigned char byCipherSuite;
unsigned long dwTSC47_16;
unsigned short wTSC15_0;
unsigned int uWepKeyLength;
unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
/* Auto rate fallback vars */
bool bIsInFallback;
unsigned int uAverageRSSI;
unsigned int uRateRecoveryTimeout;
unsigned int uRatePollTimeout;
unsigned int uTxFailures;
unsigned int uTxAttempts;
unsigned int uTxRetry;
unsigned int uFailureRatio;
unsigned int uRetryRatio;
unsigned int uTxOk[MAX_RATE+1];
unsigned int uTxFail[MAX_RATE+1];
unsigned int uTimeCount;
} KnownNodeDB, *PKnownNodeDB;
PKnownBSS
BSSpSearchBSSList(
void *hDeviceContext,
unsigned char *pbyDesireBSSID,
unsigned char *pbyDesireSSID,
CARD_PHY_TYPE ePhyType
);
PKnownBSS
BSSpAddrIsInBSSList(
void *hDeviceContext,
unsigned char *abyBSSID,
PWLAN_IE_SSID pSSID
);
void
BSSvClearBSSList(
void *hDeviceContext,
bool bKeepCurrBSSID
);
bool
BSSbInsertToBSSList(
void *hDeviceContext,
unsigned char *abyBSSIDAddr,
__le64 qwTimestamp,
unsigned short wBeaconInterval,
unsigned short wCapInfo,
unsigned char byCurrChannel,
PWLAN_IE_SSID pSSID,
PWLAN_IE_SUPP_RATES pSuppRates,
PWLAN_IE_SUPP_RATES pExtSuppRates,
PERPObject psERP,
PWLAN_IE_RSN pRSN,
PWLAN_IE_RSN_EXT pRSNWPA,
PWLAN_IE_COUNTRY pIE_Country,
PWLAN_IE_QUIET pIE_Quiet,
unsigned int uIELength,
unsigned char *pbyIEs,
void *pRxPacketContext
);
bool
BSSbUpdateToBSSList(
void *hDeviceContext,
__le64 qwTimestamp,
unsigned short wBeaconInterval,
unsigned short wCapInfo,
unsigned char byCurrChannel,
bool bChannelHit,
PWLAN_IE_SSID pSSID,
PWLAN_IE_SUPP_RATES pSuppRates,
PWLAN_IE_SUPP_RATES pExtSuppRates,
PERPObject psERP,
PWLAN_IE_RSN pRSN,
PWLAN_IE_RSN_EXT pRSNWPA,
PWLAN_IE_COUNTRY pIE_Country,
PWLAN_IE_QUIET pIE_Quiet,
PKnownBSS pBSSList,
unsigned int uIELength,
unsigned char *pbyIEs,
void *pRxPacketContext
);
bool
BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
unsigned int *puNodeIndex);
void
BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
void
BSSvUpdateAPNode(
void *hDeviceContext,
unsigned short *pwCapInfo,
PWLAN_IE_SUPP_RATES pItemRates,
PWLAN_IE_SUPP_RATES pExtSuppRates
);
void
BSSvSecondCallBack(
void *hDeviceContext
);
void
BSSvUpdateNodeTxCounter(
void *hDeviceContext,
unsigned char byTsr0,
unsigned char byTsr1,
unsigned char *pbyBuffer,
unsigned int uFIFOHeaderSize
);
void
BSSvRemoveOneNode(
void *hDeviceContext,
unsigned int uNodeIndex
);
void
BSSvAddMulticastNode(
void *hDeviceContext
);
void
BSSvClearNodeDBTable(
void *hDeviceContext,
unsigned int uStartIndex
);
void
BSSvClearAnyBSSJoinRecord(
void *hDeviceContext
);
#endif /*__BSSDB_H__ */
|