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Linux kernel mirror (for testing)
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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
33#include <linux/skbuff.h>
34#include "80211hdr.h"
35#include "80211mgr.h"
36#include "card.h"
37
38#define MAX_NODE_NUM 64
39#define MAX_BSS_NUM 42
40#define LOST_BEACON_COUNT 10 // 10 sec, XP defined
41#define MAX_PS_TX_BUF 32 // sta max power saving tx buf
42#define ADHOC_LOST_BEACON_COUNT 30 // 30 sec, beacon lost for adhoc only
43#define MAX_INACTIVE_COUNT 300 // 300 sec, inactive STA node refresh
44
45#define USE_PROTECT_PERIOD 10 // 10 sec, Use protect mode check period
46#define ERP_RECOVER_COUNT 30 // 30 sec, ERP support callback check
47#define BSS_CLEAR_COUNT 1
48
49#define RSSI_STAT_COUNT 10
50#define MAX_CHECK_RSSI_COUNT 8
51
52// STA dwflags
53#define WLAN_STA_AUTH BIT0
54#define WLAN_STA_ASSOC BIT1
55#define WLAN_STA_PS BIT2
56#define WLAN_STA_TIM BIT3
57// permanent; do not remove entry on expiration
58#define WLAN_STA_PERM BIT4
59// If 802.1X is used, this flag is
60// controlling whether STA is authorized to
61// send and receive non-IEEE 802.1X frames
62#define WLAN_STA_AUTHORIZED BIT5
63
64#define MAX_RATE 12
65
66#define MAX_WPA_IE_LEN 64
67
68//
69// IEEE 802.11 Structures and definitions
70//
71
72typedef enum _NDIS_802_11_NETWORK_TYPE {
73 Ndis802_11FH,
74 Ndis802_11DS,
75 Ndis802_11OFDM5,
76 Ndis802_11OFDM24,
77 Ndis802_11NetworkTypeMax // not a real type, defined as an upper bound
78} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
79
80typedef struct tagSERPObject {
81 bool bERPExist;
82 unsigned char byERP;
83} ERPObject, *PERPObject;
84
85typedef struct tagSRSNCapObject {
86 bool bRSNCapExist;
87 unsigned short wRSNCap;
88} SRSNCapObject, *PSRSNCapObject;
89
90// BSS info(AP)
91#pragma pack(1)
92typedef struct tagKnownBSS {
93 bool bActive;
94 unsigned char abyBSSID[WLAN_BSSID_LEN];
95 unsigned int uChannel;
96 unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
97 unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
98 unsigned int uRSSI;
99 unsigned char bySQ;
100 unsigned short wBeaconInterval;
101 unsigned short wCapInfo;
102 unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
103 unsigned char byRxRate;
104
105 unsigned char byRSSIStatCnt;
106 long ldBmMAX;
107 long ldBmAverage[RSSI_STAT_COUNT];
108 long ldBmAverRange;
109 bool bSelected;
110
111 bool bWPAValid;
112 unsigned char byGKType;
113 unsigned char abyPKType[4];
114 unsigned short wPKCount;
115 unsigned char abyAuthType[4];
116 unsigned short wAuthCount;
117 unsigned char byDefaultK_as_PK;
118 unsigned char byReplayIdx;
119
120 bool bWPA2Valid;
121 unsigned char byCSSGK;
122 unsigned short wCSSPKCount;
123 unsigned char abyCSSPK[4];
124 unsigned short wAKMSSAuthCount;
125 unsigned char abyAKMSSAuthType[4];
126
127 unsigned char byWPAIE[MAX_WPA_IE_LEN];
128 unsigned char byRSNIE[MAX_WPA_IE_LEN];
129 unsigned short wWPALen;
130 unsigned short wRSNLen;
131
132 unsigned int uClearCount;
133 unsigned int uIELength;
134 u64 qwBSSTimestamp;
135 u64 qwLocalTSF;
136
137 CARD_PHY_TYPE eNetworkTypeInUse;
138
139 ERPObject sERP;
140 SRSNCapObject sRSNCapObj;
141 unsigned char abyIEs[1024];
142} __attribute__ ((__packed__))
143KnownBSS , *PKnownBSS;
144
145#pragma pack()
146
147typedef enum tagNODE_STATE {
148 NODE_FREE,
149 NODE_AGED,
150 NODE_KNOWN,
151 NODE_AUTH,
152 NODE_ASSOC
153} NODE_STATE, *PNODE_STATE;
154
155// STA node info
156typedef struct tagKnownNodeDB {
157 bool bActive;
158 unsigned char abyMACAddr[WLAN_ADDR_LEN];
159 unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
160 unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
161 unsigned short wTxDataRate;
162 bool bShortPreamble;
163 bool bERPExist;
164 bool bShortSlotTime;
165 unsigned int uInActiveCount;
166 unsigned short wMaxBasicRate; //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
167 unsigned short wMaxSuppRate; //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
168 unsigned short wSuppRate;
169 unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
170 unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
171
172 // For AP mode
173 struct sk_buff_head sTxPSQueue;
174 unsigned short wCapInfo;
175 unsigned short wListenInterval;
176 unsigned short wAID;
177 NODE_STATE eNodeState;
178 bool bPSEnable;
179 bool bRxPSPoll;
180 unsigned char byAuthSequence;
181 unsigned long ulLastRxJiffer;
182 unsigned char bySuppRate;
183 unsigned long dwFlags;
184 unsigned short wEnQueueCnt;
185
186 bool bOnFly;
187 unsigned long long KeyRSC;
188 unsigned char byKeyIndex;
189 unsigned long dwKeyIndex;
190 unsigned char byCipherSuite;
191 unsigned long dwTSC47_16;
192 unsigned short wTSC15_0;
193 unsigned int uWepKeyLength;
194 unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
195 // Auto rate fallback vars
196 bool bIsInFallback;
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;
209} KnownNodeDB, *PKnownNodeDB;
210
211PKnownBSS
212BSSpSearchBSSList(
213 void *hDeviceContext,
214 unsigned char *pbyDesireBSSID,
215 unsigned char *pbyDesireSSID,
216 CARD_PHY_TYPE ePhyType
217);
218
219PKnownBSS
220BSSpAddrIsInBSSList(
221 void *hDeviceContext,
222 unsigned char *abyBSSID,
223 PWLAN_IE_SSID pSSID
224);
225
226void
227BSSvClearBSSList(
228 void *hDeviceContext,
229 bool bKeepCurrBSSID
230);
231
232bool
233BSSbInsertToBSSList(
234 void *hDeviceContext,
235 unsigned char *abyBSSIDAddr,
236 __le64 qwTimestamp,
237 unsigned short wBeaconInterval,
238 unsigned short wCapInfo,
239 unsigned char byCurrChannel,
240 PWLAN_IE_SSID pSSID,
241 PWLAN_IE_SUPP_RATES pSuppRates,
242 PWLAN_IE_SUPP_RATES pExtSuppRates,
243 PERPObject psERP,
244 PWLAN_IE_RSN pRSN,
245 PWLAN_IE_RSN_EXT pRSNWPA,
246 PWLAN_IE_COUNTRY pIE_Country,
247 PWLAN_IE_QUIET pIE_Quiet,
248 unsigned int uIELength,
249 unsigned char *pbyIEs,
250 void *pRxPacketContext
251);
252
253bool
254BSSbUpdateToBSSList(
255 void *hDeviceContext,
256 __le64 qwTimestamp,
257 unsigned short wBeaconInterval,
258 unsigned short wCapInfo,
259 unsigned char byCurrChannel,
260 bool bChannelHit,
261 PWLAN_IE_SSID pSSID,
262 PWLAN_IE_SUPP_RATES pSuppRates,
263 PWLAN_IE_SUPP_RATES pExtSuppRates,
264 PERPObject psERP,
265 PWLAN_IE_RSN pRSN,
266 PWLAN_IE_RSN_EXT pRSNWPA,
267 PWLAN_IE_COUNTRY pIE_Country,
268 PWLAN_IE_QUIET pIE_Quiet,
269 PKnownBSS pBSSList,
270 unsigned int uIELength,
271 unsigned char *pbyIEs,
272 void *pRxPacketContext
273);
274
275bool
276BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
277 unsigned int *puNodeIndex);
278
279void
280BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
281
282void
283BSSvUpdateAPNode(
284 void *hDeviceContext,
285 unsigned short *pwCapInfo,
286 PWLAN_IE_SUPP_RATES pItemRates,
287 PWLAN_IE_SUPP_RATES pExtSuppRates
288);
289
290void
291BSSvSecondCallBack(
292 void *hDeviceContext
293);
294
295void
296BSSvUpdateNodeTxCounter(
297 void *hDeviceContext,
298 unsigned char byTsr0,
299 unsigned char byTsr1,
300 unsigned char *pbyBuffer,
301 unsigned int uFIFOHeaderSize
302);
303
304void
305BSSvRemoveOneNode(
306 void *hDeviceContext,
307 unsigned int uNodeIndex
308);
309
310void
311BSSvAddMulticastNode(
312 void *hDeviceContext
313);
314
315void
316BSSvClearNodeDBTable(
317 void *hDeviceContext,
318 unsigned int uStartIndex
319);
320
321void
322BSSvClearAnyBSSJoinRecord(
323 void *hDeviceContext
324);
325
326#endif //__BSSDB_H__