drivers/staging/vt6656/bssdb.h

   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 #include "mib.h"
  38
  39 /*---------------------  Export Definitions -------------------------*/
  40
  41 #define MAX_NODE_NUM             64
  42 #define MAX_BSS_NUM              42
  43 #define LOST_BEACON_COUNT        10   /* 10 sec, XP defined */
  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
  67 //#define MAX_RATE            12
  68
  69 #define MAX_WPA_IE_LEN      64
  70
  71
  72 /*---------------------  Export Classes  ----------------------------*/
  73
  74 /*---------------------  Export Variables  --------------------------*/
  75
  76
  77 /*---------------------  Export Types  ------------------------------*/
  78
  79 //
  80 // IEEE 802.11 Structures and definitions
  81 //
  82
  83 typedef struct tagSERPObject {
  84     BOOL    bERPExist;
  85     BYTE    byERP;
  86 } ERPObject, *PERPObject;
  87
  88
  89 typedef struct tagSRSNCapObject {
  90     BOOL    bRSNCapExist;
  91     WORD    wRSNCap;
  92 } SRSNCapObject, *PSRSNCapObject;
  93
  94 // BSS info(AP)
  95 #pragma pack(1)
  96 typedef struct tagKnownBSS {
  97     // BSS info
  98     BOOL            bActive;
  99     BYTE            abyBSSID[WLAN_BSSID_LEN];
 100     unsigned int            uChannel;
 101     BYTE            abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 102     BYTE            abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 103     unsigned int            uRSSI;
 104     BYTE            bySQ;
 105     WORD            wBeaconInterval;
 106     WORD            wCapInfo;
 107     BYTE            abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 108     BYTE            byRxRate;
 109
 110 //    WORD            wATIMWindow;
 111     BYTE            byRSSIStatCnt;
 112     signed long            ldBmMAX;
 113     signed long            ldBmAverage[RSSI_STAT_COUNT];
 114     signed long            ldBmAverRange;
 115     //For any BSSID selection improvment
 116     BOOL            bSelected;
 117
 118     //++ WPA informations
 119     BOOL            bWPAValid;
 120     BYTE            byGKType;
 121     BYTE            abyPKType[4];
 122     WORD            wPKCount;
 123     BYTE            abyAuthType[4];
 124     WORD            wAuthCount;
 125     BYTE            byDefaultK_as_PK;
 126     BYTE            byReplayIdx;
 127     //--
 128
 129     //++ WPA2 informations
 130     BOOL            bWPA2Valid;
 131     BYTE            byCSSGK;
 132     WORD            wCSSPKCount;
 133     BYTE            abyCSSPK[4];
 134     WORD            wAKMSSAuthCount;
 135     BYTE            abyAKMSSAuthType[4];
 136
 137     //++  wpactl
 138     BYTE            byWPAIE[MAX_WPA_IE_LEN];
 139     BYTE            byRSNIE[MAX_WPA_IE_LEN];
 140     WORD            wWPALen;
 141     WORD            wRSNLen;
 142
 143     // Clear count
 144     unsigned int            uClearCount;
 145 //    BYTE            abyIEs[WLAN_BEACON_FR_MAXLEN];
 146     unsigned int            uIELength;
 147     QWORD           qwBSSTimestamp;
 148     QWORD           qwLocalTSF;     // local TSF timer
 149
 150     CARD_PHY_TYPE   eNetworkTypeInUse;
 151
 152     ERPObject       sERP;
 153     SRSNCapObject   sRSNCapObj;
 154     BYTE            abyIEs[1024];   // don't move this field !!
 155
 156 } __attribute__ ((__packed__))
 157 KnownBSS , *PKnownBSS;
 158
 159
 160
 161 typedef enum tagNODE_STATE {
 162     NODE_FREE,
 163     NODE_AGED,
 164     NODE_KNOWN,
 165     NODE_AUTH,
 166     NODE_ASSOC
 167 } NODE_STATE, *PNODE_STATE;
 168
 169
 170 // STA node info
 171 typedef struct tagKnownNodeDB {
 172     // STA info
 173     BOOL            bActive;
 174     BYTE            abyMACAddr[WLAN_ADDR_LEN];
 175     BYTE            abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
 176     BYTE            abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
 177     WORD            wTxDataRate;
 178     BOOL            bShortPreamble;
 179     BOOL            bERPExist;
 180     BOOL            bShortSlotTime;
 181     unsigned int            uInActiveCount;
 182     WORD            wMaxBasicRate;     //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
 183     WORD            wMaxSuppRate;      //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
 184     WORD            wSuppRate;
 185     BYTE            byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
 186     BYTE            byTopCCKBasicRate; //Records the highest basic rate in CCK mode
 187
 188     // For AP mode
 189     struct sk_buff_head sTxPSQueue;
 190     WORD            wCapInfo;
 191     WORD            wListenInterval;
 192     WORD            wAID;
 193     NODE_STATE      eNodeState;
 194     BOOL            bPSEnable;
 195     BOOL            bRxPSPoll;
 196     BYTE            byAuthSequence;
 197     unsigned long           ulLastRxJiffer;
 198     BYTE            bySuppRate;
 199     DWORD           dwFlags;
 200     WORD            wEnQueueCnt;
 201
 202     BOOL            bOnFly;
 203     unsigned long long       KeyRSC;
 204     BYTE            byKeyIndex;
 205     DWORD           dwKeyIndex;
 206     BYTE            byCipherSuite;
 207     DWORD           dwTSC47_16;
 208     WORD            wTSC15_0;
 209     unsigned int            uWepKeyLength;
 210     BYTE            abyWepKey[WLAN_WEPMAX_KEYLEN];
 211     //
 212     // Auto rate fallback vars
 213     BOOL            bIsInFallback;
 214     unsigned int            uAverageRSSI;
 215     unsigned int            uRateRecoveryTimeout;
 216     unsigned int            uRatePollTimeout;
 217     unsigned int            uTxFailures;
 218     unsigned int            uTxAttempts;
 219
 220     unsigned int            uTxRetry;
 221     unsigned int            uFailureRatio;
 222     unsigned int            uRetryRatio;
 223     unsigned int            uTxOk[MAX_RATE+1];
 224     unsigned int            uTxFail[MAX_RATE+1];
 225     unsigned int            uTimeCount;
 226
 227 } KnownNodeDB, *PKnownNodeDB;
 228
 229 /*---------------------  Export Functions  --------------------------*/
 230
 231 PKnownBSS BSSpSearchBSSList(void *hDeviceContext,
 232                             PBYTE pbyDesireBSSID,
 233                             PBYTE pbyDesireSSID,
 234                             CARD_PHY_TYPE ePhyType);
 235
 236 PKnownBSS BSSpAddrIsInBSSList(void *hDeviceContext,
 237                               PBYTE abyBSSID,
 238                               PWLAN_IE_SSID pSSID);
 239
 240 void BSSvClearBSSList(void *hDeviceContext, BOOL bKeepCurrBSSID);
 241
 242 BOOL BSSbInsertToBSSList(void *hDeviceContext,
 243                          PBYTE abyBSSIDAddr,
 244                          QWORD qwTimestamp,
 245                          WORD wBeaconInterval,
 246                          WORD wCapInfo,
 247                          BYTE byCurrChannel,
 248                          PWLAN_IE_SSID pSSID,
 249                          PWLAN_IE_SUPP_RATES pSuppRates,
 250                          PWLAN_IE_SUPP_RATES pExtSuppRates,
 251                          PERPObject psERP,
 252                          PWLAN_IE_RSN pRSN,
 253                          PWLAN_IE_RSN_EXT pRSNWPA,
 254                          PWLAN_IE_COUNTRY pIE_Country,
 255                          PWLAN_IE_QUIET pIE_Quiet,
 256                          unsigned int uIELength,
 257                          PBYTE pbyIEs,
 258                          void *pRxPacketContext);
 259
 260 BOOL BSSbUpdateToBSSList(void *hDeviceContext,
 261                          QWORD qwTimestamp,
 262                          WORD wBeaconInterval,
 263                          WORD wCapInfo,
 264                          BYTE byCurrChannel,
 265                          BOOL bChannelHit,
 266                          PWLAN_IE_SSID pSSID,
 267                          PWLAN_IE_SUPP_RATES pSuppRates,
 268                          PWLAN_IE_SUPP_RATES pExtSuppRates,
 269                          PERPObject psERP,
 270                          PWLAN_IE_RSN pRSN,
 271                          PWLAN_IE_RSN_EXT pRSNWPA,
 272                          PWLAN_IE_COUNTRY pIE_Country,
 273                          PWLAN_IE_QUIET pIE_Quiet,
 274                          PKnownBSS pBSSList,
 275                          unsigned int uIELength,
 276                          PBYTE pbyIEs,
 277                          void *pRxPacketContext);
 278
 279 BOOL BSSbIsSTAInNodeDB(void *hDeviceContext,
 280                        PBYTE abyDstAddr,
 281                        unsigned int *puNodeIndex);
 282
 283 void BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
 284
 285 void BSSvUpdateAPNode(void *hDeviceContext,
 286                       PWORD pwCapInfo,
 287                       PWLAN_IE_SUPP_RATES pItemRates,
 288                       PWLAN_IE_SUPP_RATES pExtSuppRates);
 289
 290 void BSSvSecondCallBack(void *hDeviceContext);
 291
 292 void BSSvUpdateNodeTxCounter(void *hDeviceContext,
 293                              PSStatCounter pStatistic,
 294                              BYTE byTSR,
 295                              BYTE byPktNO);
 296
 297 void BSSvRemoveOneNode(void *hDeviceContext,
 298                        unsigned int uNodeIndex);
 299
 300 void BSSvAddMulticastNode(void *hDeviceContext);
 301
 302 void BSSvClearNodeDBTable(void *hDeviceContext,
 303                           unsigned int uStartIndex);
 304
 305 void BSSvClearAnyBSSJoinRecord(void *hDeviceContext);
 306
 307 #endif /* __BSSDB_H__ */