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
  34 #include <linux/skbuff.h>
  35
  36 #if !defined(__80211HDR_H__)
  37 #include "80211hdr.h"
  38 #endif
  39 #if !defined(__80211MGR_H__)
  40 #include "80211mgr.h"
  41 #endif
  42 #if !defined(__CARD_H__)
  43 #include "card.h"
  44 #endif
  45 #if !defined(__MIB_H__)
  46 #include "mib.h"
  47 #endif
  48
  49
  50 /*---------------------  Export Definitions -------------------------*/
  51
  52 #define MAX_NODE_NUM             64
  53 #define MAX_BSS_NUM              42
  54 #define LOST_BEACON_COUNT        10   // 10 sec, XP defined
  55 #define MAX_PS_TX_BUF            32   // sta max power saving tx buf
  56 #define ADHOC_LOST_BEACON_COUNT  30   // 30 sec, beacon lost for adhoc only
  57 #define MAX_INACTIVE_COUNT       300  // 300 sec, inactive STA node refresh
  58
  59 #define USE_PROTECT_PERIOD       10   // 10 sec, Use protect mode check period
  60 #define ERP_RECOVER_COUNT        30   // 30 sec, ERP support callback check
  61 #define BSS_CLEAR_COUNT           1
  62
  63 #define RSSI_STAT_COUNT          10
  64 #define MAX_CHECK_RSSI_COUNT     8
  65
  66 // STA dwflags
  67 #define WLAN_STA_AUTH            BIT0
  68 #define WLAN_STA_ASSOC           BIT1
  69 #define WLAN_STA_PS              BIT2
  70 #define WLAN_STA_TIM             BIT3
  71 // permanent; do not remove entry on expiration
  72 #define WLAN_STA_PERM            BIT4
  73 // If 802.1X is used, this flag is
  74 // controlling whether STA is authorized to
  75 // send and receive non-IEEE 802.1X frames
  76 #define WLAN_STA_AUTHORIZED      BIT5
  77
  78 //#define MAX_RATE            12
  79
  80 #define MAX_WPA_IE_LEN      64
  81
  82
  83 /*---------------------  Export Classes  ----------------------------*/
  84
  85 /*---------------------  Export Variables  --------------------------*/
  86
  87
  88 /*---------------------  Export Types  ------------------------------*/
  89
  90 //
  91 // IEEE 802.11 Structures and definitions
  92 //
  93
  94 typedef struct tagSERPObject {
  95     BOOL    bERPExist;
  96     BYTE    byERP;
  97 }ERPObject, *PERPObject;
  98
  99
 100 typedef struct tagSRSNCapObject {
 101     BOOL    bRSNCapExist;
 102     WORD    wRSNCap;
 103 }SRSNCapObject, *PSRSNCapObject;
 104
 105 // BSS info(AP)
 106 #pragma pack(1)
 107 typedef struct tagKnownBSS {
 108     // BSS info
 109     BOOL            bActive;
 110     BYTE            abyBSSID[WLAN_BSSID_LEN];
 111     UINT            uChannel;
 112     BYTE            abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 113     BYTE            abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 114     UINT            uRSSI;
 115     BYTE            bySQ;
 116     WORD            wBeaconInterval;
 117     WORD            wCapInfo;
 118     BYTE            abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 119     BYTE            byRxRate;
 120
 121 //    WORD            wATIMWindow;
 122     BYTE            byRSSIStatCnt;
 123     LONG            ldBmMAX;
 124     LONG            ldBmAverage[RSSI_STAT_COUNT];
 125     LONG            ldBmAverRange;
 126     //For any BSSID selection improvment
 127     BOOL            bSelected;
 128
 129     //++ WPA informations
 130     BOOL            bWPAValid;
 131     BYTE            byGKType;
 132     BYTE            abyPKType[4];
 133     WORD            wPKCount;
 134     BYTE            abyAuthType[4];
 135     WORD            wAuthCount;
 136     BYTE            byDefaultK_as_PK;
 137     BYTE            byReplayIdx;
 138     //--
 139
 140     //++ WPA2 informations
 141     BOOL            bWPA2Valid;
 142     BYTE            byCSSGK;
 143     WORD            wCSSPKCount;
 144     BYTE            abyCSSPK[4];
 145     WORD            wAKMSSAuthCount;
 146     BYTE            abyAKMSSAuthType[4];
 147
 148     //++  wpactl
 149     BYTE            byWPAIE[MAX_WPA_IE_LEN];
 150     BYTE            byRSNIE[MAX_WPA_IE_LEN];
 151     WORD            wWPALen;
 152     WORD            wRSNLen;
 153
 154     // Clear count
 155     UINT            uClearCount;
 156 //    BYTE            abyIEs[WLAN_BEACON_FR_MAXLEN];
 157     UINT            uIELength;
 158     QWORD           qwBSSTimestamp;
 159     QWORD           qwLocalTSF;     // local TSF timer
 160
 161     CARD_PHY_TYPE   eNetworkTypeInUse;
 162
 163     ERPObject       sERP;
 164     SRSNCapObject   sRSNCapObj;
 165     BYTE            abyIEs[1024];   // don't move this field !!
 166
 167 }__attribute__ ((__packed__))
 168 KnownBSS , *PKnownBSS;
 169
 170
 171
 172 typedef 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
 182 typedef struct tagKnownNodeDB {
 183     // STA info
 184     BOOL            bActive;
 185     BYTE            abyMACAddr[WLAN_ADDR_LEN];
 186     BYTE            abyCurrSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
 187     BYTE            abyCurrExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN];
 188     WORD            wTxDataRate;
 189     BOOL            bShortPreamble;
 190     BOOL            bERPExist;
 191     BOOL            bShortSlotTime;
 192     UINT            uInActiveCount;
 193     WORD            wMaxBasicRate;     //Get from byTopOFDMBasicRate or byTopCCKBasicRate which depends on packetTyp.
 194     WORD            wMaxSuppRate;      //Records the highest supported rate getting from SuppRates IE and ExtSuppRates IE in Beacon.
 195     WORD            wSuppRate;
 196     BYTE            byTopOFDMBasicRate;//Records the highest basic rate in OFDM mode
 197     BYTE            byTopCCKBasicRate; //Records the highest basic rate in CCK mode
 198
 199     // For AP mode
 200     struct sk_buff_head sTxPSQueue;
 201     WORD            wCapInfo;
 202     WORD            wListenInterval;
 203     WORD            wAID;
 204     NODE_STATE      eNodeState;
 205     BOOL            bPSEnable;
 206     BOOL            bRxPSPoll;
 207     BYTE            byAuthSequence;
 208     ULONG           ulLastRxJiffer;
 209     BYTE            bySuppRate;
 210     DWORD           dwFlags;
 211     WORD            wEnQueueCnt;
 212
 213     BOOL            bOnFly;
 214     ULONGLONG       KeyRSC;
 215     BYTE            byKeyIndex;
 216     DWORD           dwKeyIndex;
 217     BYTE            byCipherSuite;
 218     DWORD           dwTSC47_16;
 219     WORD            wTSC15_0;
 220     UINT            uWepKeyLength;
 221     BYTE            abyWepKey[WLAN_WEPMAX_KEYLEN];
 222     //
 223     // Auto rate fallback vars
 224     BOOL            bIsInFallback;
 225     UINT            uAverageRSSI;
 226     UINT            uRateRecoveryTimeout;
 227     UINT            uRatePollTimeout;
 228     UINT            uTxFailures;
 229     UINT            uTxAttempts;
 230
 231     UINT            uTxRetry;
 232     UINT            uFailureRatio;
 233     UINT            uRetryRatio;
 234     UINT            uTxOk[MAX_RATE+1];
 235     UINT            uTxFail[MAX_RATE+1];
 236     UINT            uTimeCount;
 237
 238 } KnownNodeDB, *PKnownNodeDB;
 239
 240
 241 /*---------------------  Export Functions  --------------------------*/
 242
 243
 244
 245 PKnownBSS
 246 BSSpSearchBSSList(
 247     IN HANDLE hDeviceContext,
 248     IN PBYTE pbyDesireBSSID,
 249     IN PBYTE pbyDesireSSID,
 250     IN CARD_PHY_TYPE ePhyType
 251     );
 252
 253 PKnownBSS
 254 BSSpAddrIsInBSSList(
 255     IN HANDLE hDeviceContext,
 256     IN PBYTE abyBSSID,
 257     IN PWLAN_IE_SSID pSSID
 258     );
 259
 260 VOID
 261 BSSvClearBSSList(
 262     IN HANDLE hDeviceContext,
 263     IN BOOL bKeepCurrBSSID
 264     );
 265
 266 BOOL
 267 BSSbInsertToBSSList(
 268     IN HANDLE hDeviceContext,
 269     IN PBYTE abyBSSIDAddr,
 270     IN QWORD qwTimestamp,
 271     IN WORD wBeaconInterval,
 272     IN WORD wCapInfo,
 273     IN BYTE byCurrChannel,
 274     IN PWLAN_IE_SSID pSSID,
 275     IN PWLAN_IE_SUPP_RATES pSuppRates,
 276     IN PWLAN_IE_SUPP_RATES pExtSuppRates,
 277     IN PERPObject psERP,
 278     IN PWLAN_IE_RSN pRSN,
 279     IN PWLAN_IE_RSN_EXT pRSNWPA,
 280     IN PWLAN_IE_COUNTRY pIE_Country,
 281     IN PWLAN_IE_QUIET pIE_Quiet,
 282     IN UINT uIELength,
 283     IN PBYTE pbyIEs,
 284     IN HANDLE pRxPacketContext
 285     );
 286
 287
 288 BOOL
 289 BSSbUpdateToBSSList(
 290     IN HANDLE hDeviceContext,
 291     IN QWORD qwTimestamp,
 292     IN WORD wBeaconInterval,
 293     IN WORD wCapInfo,
 294     IN BYTE byCurrChannel,
 295     IN BOOL bChannelHit,
 296     IN PWLAN_IE_SSID pSSID,
 297     IN PWLAN_IE_SUPP_RATES pSuppRates,
 298     IN PWLAN_IE_SUPP_RATES pExtSuppRates,
 299     IN PERPObject psERP,
 300     IN PWLAN_IE_RSN pRSN,
 301     IN PWLAN_IE_RSN_EXT pRSNWPA,
 302     IN PWLAN_IE_COUNTRY pIE_Country,
 303     IN PWLAN_IE_QUIET pIE_Quiet,
 304     IN PKnownBSS pBSSList,
 305     IN UINT uIELength,
 306     IN PBYTE pbyIEs,
 307     IN HANDLE pRxPacketContext
 308     );
 309
 310
 311 BOOL
 312 BSSbIsSTAInNodeDB(
 313     IN HANDLE hDeviceContext,
 314     IN PBYTE abyDstAddr,
 315     OUT PUINT puNodeIndex
 316     );
 317
 318 VOID
 319 BSSvCreateOneNode(
 320     IN HANDLE hDeviceContext,
 321     OUT PUINT puNodeIndex
 322     );
 323
 324 VOID
 325 BSSvUpdateAPNode(
 326     IN HANDLE hDeviceContext,
 327     IN PWORD pwCapInfo,
 328     IN PWLAN_IE_SUPP_RATES pItemRates,
 329     IN PWLAN_IE_SUPP_RATES pExtSuppRates
 330     );
 331
 332
 333 VOID
 334 BSSvSecondCallBack(
 335     IN HANDLE hDeviceContext
 336     );
 337
 338
 339 VOID
 340 BSSvUpdateNodeTxCounter(
 341     IN HANDLE      hDeviceContext,
 342     IN PSStatCounter    pStatistic,
 343     IN BYTE             byTSR,
 344     IN BYTE             byPktNO
 345     );
 346
 347 VOID
 348 BSSvRemoveOneNode(
 349     IN HANDLE hDeviceContext,
 350     IN UINT uNodeIndex
 351     );
 352
 353 VOID
 354 BSSvAddMulticastNode(
 355     IN HANDLE hDeviceContext
 356     );
 357
 358
 359 VOID
 360 BSSvClearNodeDBTable(
 361     IN HANDLE hDeviceContext,
 362     IN UINT uStartIndex
 363     );
 364
 365 VOID
 366 BSSvClearAnyBSSJoinRecord(
 367     IN HANDLE hDeviceContext
 368     );
 369
 370 #endif //__BSSDB_H__