bssdb.h revision fe4f34bde28f5a9f3793cced5b4029eda5b78be2 
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/*---------------------  Export Definitions -------------------------*/
39
40#define MAX_NODE_NUM             64
41#define MAX_BSS_NUM              42
42#define LOST_BEACON_COUNT      	 10   // 10 sec, XP defined
43#define MAX_PS_TX_BUF            32   // sta max power saving tx buf
44#define ADHOC_LOST_BEACON_COUNT  30   // 30 sec, beacon lost for adhoc only
45#define MAX_INACTIVE_COUNT       300  // 300 sec, inactive STA node refresh
46
47#define USE_PROTECT_PERIOD       10   // 10 sec, Use protect mode check period
48#define ERP_RECOVER_COUNT        30   // 30 sec, ERP support callback check
49#define BSS_CLEAR_COUNT           1
50
51#define RSSI_STAT_COUNT          10
52#define MAX_CHECK_RSSI_COUNT     8
53
54// STA dwflags
55#define WLAN_STA_AUTH            BIT0
56#define WLAN_STA_ASSOC           BIT1
57#define WLAN_STA_PS              BIT2
58#define WLAN_STA_TIM             BIT3
59// permanent; do not remove entry on expiration
60#define WLAN_STA_PERM            BIT4
61// If 802.1X is used, this flag is
62// controlling whether STA is authorized to
63// send and receive non-IEEE 802.1X frames
64#define WLAN_STA_AUTHORIZED      BIT5
65
66#define MAX_RATE            12
67
68#define MAX_WPA_IE_LEN      64
69
70
71/*---------------------  Export Classes  ----------------------------*/
72
73/*---------------------  Export Variables  --------------------------*/
74
75
76/*---------------------  Export Types  ------------------------------*/
77
78//
79// IEEE 802.11 Structures and definitions
80//
81
82typedef enum _NDIS_802_11_NETWORK_TYPE
83{
84    Ndis802_11FH,
85    Ndis802_11DS,
86    Ndis802_11OFDM5,
87    Ndis802_11OFDM24,
88    Ndis802_11NetworkTypeMax    // not a real type, defined as an upper bound
89} NDIS_802_11_NETWORK_TYPE, *PNDIS_802_11_NETWORK_TYPE;
90
91
92typedef struct tagSERPObject {
93    BOOL    bERPExist;
94    unsigned char byERP;
95}ERPObject, *PERPObject;
96
97
98typedef struct tagSRSNCapObject {
99    BOOL    bRSNCapExist;
100    unsigned short wRSNCap;
101}SRSNCapObject, *PSRSNCapObject;
102
103// BSS info(AP)
104#pragma pack(1)
105typedef struct tagKnownBSS {
106    // BSS info
107    BOOL            bActive;
108    unsigned char abyBSSID[WLAN_BSSID_LEN];
109    unsigned int	uChannel;
110    unsigned char abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
111    unsigned char abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
112    unsigned int	uRSSI;
113    unsigned char bySQ;
114    unsigned short wBeaconInterval;
115    unsigned short wCapInfo;
116    unsigned char abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
117    unsigned char byRxRate;
118
119//    unsigned short wATIMWindow;
120    unsigned char byRSSIStatCnt;
121    long            ldBmMAX;
122    long            ldBmAverage[RSSI_STAT_COUNT];
123    long            ldBmAverRange;
124    //For any BSSID selection improvment
125    BOOL            bSelected;
126
127    //++ WPA informations
128    BOOL            bWPAValid;
129    unsigned char byGKType;
130    unsigned char abyPKType[4];
131    unsigned short wPKCount;
132    unsigned char abyAuthType[4];
133    unsigned short wAuthCount;
134    unsigned char byDefaultK_as_PK;
135    unsigned char byReplayIdx;
136    //--
137
138    //++ WPA2 informations
139    BOOL            bWPA2Valid;
140    unsigned char byCSSGK;
141    unsigned short wCSSPKCount;
142    unsigned char abyCSSPK[4];
143    unsigned short wAKMSSAuthCount;
144    unsigned char abyAKMSSAuthType[4];
145
146    //++  wpactl
147    unsigned char byWPAIE[MAX_WPA_IE_LEN];
148    unsigned char byRSNIE[MAX_WPA_IE_LEN];
149    unsigned short wWPALen;
150    unsigned short wRSNLen;
151
152    // Clear count
153    unsigned int	uClearCount;
154//    unsigned char abyIEs[WLAN_BEACON_FR_MAXLEN];
155    unsigned int	uIELength;
156    QWORD           qwBSSTimestamp;
157    QWORD           qwLocalTSF;     // local TSF timer
158
159//    NDIS_802_11_NETWORK_TYPE    NetworkTypeInUse;
160    CARD_PHY_TYPE   eNetworkTypeInUse;
161
162    ERPObject       sERP;
163    SRSNCapObject   sRSNCapObj;
164    unsigned char abyIEs[1024];   // don't move this field !!
165
166}__attribute__ ((__packed__))
167KnownBSS , *PKnownBSS;
168
169//2006-1116-01,<Add> by NomadZhao
170#pragma pack()
171
172typedef enum tagNODE_STATE {
173    NODE_FREE,
174    NODE_AGED,
175    NODE_KNOWN,
176    NODE_AUTH,
177    NODE_ASSOC
178} NODE_STATE, *PNODE_STATE;
179
180
181// STA node info
182typedef struct tagKnownNodeDB {
183    // STA info
184    BOOL            bActive;
185    unsigned char abyMACAddr[WLAN_ADDR_LEN];
186    unsigned char abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
187    unsigned char abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
188    unsigned short wTxDataRate;
189    BOOL            bShortPreamble;
190    BOOL            bERPExist;
191    BOOL            bShortSlotTime;
192    unsigned int	uInActiveCount;
193    unsigned short wMaxBasicRate;     //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
194    unsigned short wMaxSuppRate;      //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
195    unsigned short wSuppRate;
196    unsigned char byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
197    unsigned char byTopCCKBasicRate; //Records the highest basic rate in CCK mode
198
199    // For AP mode
200    struct sk_buff_head sTxPSQueue;
201    unsigned short wCapInfo;
202    unsigned short wListenInterval;
203    unsigned short wAID;
204    NODE_STATE      eNodeState;
205    BOOL            bPSEnable;
206    BOOL            bRxPSPoll;
207    unsigned char byAuthSequence;
208    unsigned long ulLastRxJiffer;
209    unsigned char bySuppRate;
210    unsigned long dwFlags;
211    unsigned short wEnQueueCnt;
212
213    BOOL            bOnFly;
214    unsigned long long       KeyRSC;
215    unsigned char byKeyIndex;
216    unsigned long dwKeyIndex;
217    unsigned char byCipherSuite;
218    unsigned long dwTSC47_16;
219    unsigned short wTSC15_0;
220    unsigned int	uWepKeyLength;
221    unsigned char abyWepKey[WLAN_WEPMAX_KEYLEN];
222    //
223    // Auto rate fallback vars
224    BOOL            bIsInFallback;
225    unsigned int	uAverageRSSI;
226    unsigned int	uRateRecoveryTimeout;
227    unsigned int	uRatePollTimeout;
228    unsigned int	uTxFailures;
229    unsigned int	uTxAttempts;
230
231    unsigned int	uTxRetry;
232    unsigned int	uFailureRatio;
233    unsigned int	uRetryRatio;
234    unsigned int	uTxOk[MAX_RATE+1];
235    unsigned int	uTxFail[MAX_RATE+1];
236    unsigned int	uTimeCount;
237
238} KnownNodeDB, *PKnownNodeDB;
239
240
241/*---------------------  Export Functions  --------------------------*/
242
243
244
245PKnownBSS
246BSSpSearchBSSList(
247    void *hDeviceContext,
248    unsigned char *pbyDesireBSSID,
249    unsigned char *pbyDesireSSID,
250    CARD_PHY_TYPE ePhyType
251    );
252
253PKnownBSS
254BSSpAddrIsInBSSList(
255    void *hDeviceContext,
256    unsigned char *abyBSSID,
257    PWLAN_IE_SSID pSSID
258    );
259
260void
261BSSvClearBSSList(
262    void *hDeviceContext,
263    BOOL bKeepCurrBSSID
264    );
265
266BOOL
267BSSbInsertToBSSList(
268    void *hDeviceContext,
269    unsigned char *abyBSSIDAddr,
270    QWORD qwTimestamp,
271    unsigned short wBeaconInterval,
272    unsigned short wCapInfo,
273    unsigned char byCurrChannel,
274    PWLAN_IE_SSID pSSID,
275    PWLAN_IE_SUPP_RATES pSuppRates,
276    PWLAN_IE_SUPP_RATES pExtSuppRates,
277    PERPObject psERP,
278    PWLAN_IE_RSN pRSN,
279    PWLAN_IE_RSN_EXT pRSNWPA,
280    PWLAN_IE_COUNTRY pIE_Country,
281    PWLAN_IE_QUIET pIE_Quiet,
282    unsigned int uIELength,
283    unsigned char *pbyIEs,
284    void *pRxPacketContext
285    );
286
287
288BOOL
289BSSbUpdateToBSSList(
290    void *hDeviceContext,
291    QWORD qwTimestamp,
292    unsigned short wBeaconInterval,
293    unsigned short wCapInfo,
294    unsigned char byCurrChannel,
295    BOOL bChannelHit,
296    PWLAN_IE_SSID pSSID,
297    PWLAN_IE_SUPP_RATES pSuppRates,
298    PWLAN_IE_SUPP_RATES pExtSuppRates,
299    PERPObject psERP,
300    PWLAN_IE_RSN pRSN,
301    PWLAN_IE_RSN_EXT pRSNWPA,
302    PWLAN_IE_COUNTRY pIE_Country,
303    PWLAN_IE_QUIET pIE_Quiet,
304    PKnownBSS pBSSList,
305    unsigned int uIELength,
306    unsigned char *pbyIEs,
307    void *pRxPacketContext
308    );
309
310
311BOOL
312BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
313		unsigned int *puNodeIndex);
314
315void
316BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
317
318void
319BSSvUpdateAPNode(
320    void *hDeviceContext,
321    unsigned short *pwCapInfo,
322    PWLAN_IE_SUPP_RATES pItemRates,
323    PWLAN_IE_SUPP_RATES pExtSuppRates
324    );
325
326
327void
328BSSvSecondCallBack(
329    void *hDeviceContext
330    );
331
332
333void
334BSSvUpdateNodeTxCounter(
335    void *hDeviceContext,
336    unsigned char byTsr0,
337    unsigned char byTsr1,
338    unsigned char *pbyBuffer,
339    unsigned int uFIFOHeaderSize
340    );
341
342void
343BSSvRemoveOneNode(
344    void *hDeviceContext,
345    unsigned int uNodeIndex
346    );
347
348void
349BSSvAddMulticastNode(
350    void *hDeviceContext
351    );
352
353
354void
355BSSvClearNodeDBTable(
356    void *hDeviceContext,
357    unsigned int uStartIndex
358    );
359
360void
361BSSvClearAnyBSSJoinRecord(
362    void *hDeviceContext
363    );
364
365#endif //__BSSDB_H__
366