drivers/staging/vt6655/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
  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
  82 typedef 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
  92 typedef struct tagSERPObject {
  93     BOOL    bERPExist;
  94     BYTE    byERP;
  95 }ERPObject, *PERPObject;
  96
  97
  98 typedef struct tagSRSNCapObject {
  99     BOOL    bRSNCapExist;
 100     WORD    wRSNCap;
 101 }SRSNCapObject, *PSRSNCapObject;
 102
 103 // BSS info(AP)
 104 #pragma pack(1)
 105 typedef struct tagKnownBSS {
 106     // BSS info
 107     BOOL            bActive;
 108     BYTE            abyBSSID[WLAN_BSSID_LEN];
 109     UINT            uChannel;
 110     BYTE            abySuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 111     BYTE            abyExtSuppRates[WLAN_IEHDR_LEN + WLAN_RATES_MAXLEN + 1];
 112     UINT            uRSSI;
 113     BYTE            bySQ;
 114     WORD            wBeaconInterval;
 115     WORD            wCapInfo;
 116     BYTE            abySSID[WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1];
 117     BYTE            byRxRate;
 118
 119 //    WORD            wATIMWindow;
 120     BYTE            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     BYTE            byGKType;
 130     BYTE            abyPKType[4];
 131     WORD            wPKCount;
 132     BYTE            abyAuthType[4];
 133     WORD            wAuthCount;
 134     BYTE            byDefaultK_as_PK;
 135     BYTE            byReplayIdx;
 136     //--
 137
 138     //++ WPA2 informations
 139     BOOL            bWPA2Valid;
 140     BYTE            byCSSGK;
 141     WORD            wCSSPKCount;
 142     BYTE            abyCSSPK[4];
 143     WORD            wAKMSSAuthCount;
 144     BYTE            abyAKMSSAuthType[4];
 145
 146     //++  wpactl
 147     BYTE            byWPAIE[MAX_WPA_IE_LEN];
 148     BYTE            byRSNIE[MAX_WPA_IE_LEN];
 149     WORD            wWPALen;
 150     WORD            wRSNLen;
 151
 152     // Clear count
 153     UINT            uClearCount;
 154 //    BYTE            abyIEs[WLAN_BEACON_FR_MAXLEN];
 155     UINT            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     BYTE            abyIEs[1024];   // don't move this field !!
 165
 166 }__attribute__ ((__packed__))
 167 KnownBSS , *PKnownBSS;
 168
 169 //2006-1116-01,<Add> by NomadZhao
 170 #pragma pack()
 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     void *hDeviceContext,
 248     PBYTE pbyDesireBSSID,
 249     PBYTE pbyDesireSSID,
 250     CARD_PHY_TYPE ePhyType
 251     );
 252
 253 PKnownBSS
 254 BSSpAddrIsInBSSList(
 255     void *hDeviceContext,
 256     PBYTE abyBSSID,
 257     PWLAN_IE_SSID pSSID
 258     );
 259
 260 void
 261 BSSvClearBSSList(
 262     void *hDeviceContext,
 263     BOOL bKeepCurrBSSID
 264     );
 265
 266 BOOL
 267 BSSbInsertToBSSList(
 268     void *hDeviceContext,
 269     PBYTE abyBSSIDAddr,
 270     QWORD qwTimestamp,
 271     WORD wBeaconInterval,
 272     WORD wCapInfo,
 273     BYTE 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     UINT uIELength,
 283     PBYTE pbyIEs,
 284     void *pRxPacketContext
 285     );
 286
 287
 288 BOOL
 289 BSSbUpdateToBSSList(
 290     void *hDeviceContext,
 291     QWORD qwTimestamp,
 292     WORD wBeaconInterval,
 293     WORD wCapInfo,
 294     BYTE 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     UINT uIELength,
 306     PBYTE pbyIEs,
 307     void *pRxPacketContext
 308     );
 309
 310
 311 BOOL
 312 BSSDBbIsSTAInNodeDB(
 313     void *hDeviceContext,
 314     PBYTE abyDstAddr,
 315     PUINT puNodeIndex
 316     );
 317
 318 void
 319 BSSvCreateOneNode(
 320     void *hDeviceContext,
 321     PUINT puNodeIndex
 322     );
 323
 324 void
 325 BSSvUpdateAPNode(
 326     void *hDeviceContext,
 327     PWORD pwCapInfo,
 328     PWLAN_IE_SUPP_RATES pItemRates,
 329     PWLAN_IE_SUPP_RATES pExtSuppRates
 330     );
 331
 332
 333 void
 334 BSSvSecondCallBack(
 335     void *hDeviceContext
 336     );
 337
 338
 339 void
 340 BSSvUpdateNodeTxCounter(
 341     void *hDeviceContext,
 342     BYTE        byTsr0,
 343     BYTE        byTsr1,
 344     PBYTE       pbyBuffer,
 345     UINT        uFIFOHeaderSize
 346     );
 347
 348 void
 349 BSSvRemoveOneNode(
 350     void *hDeviceContext,
 351     UINT uNodeIndex
 352     );
 353
 354 void
 355 BSSvAddMulticastNode(
 356     void *hDeviceContext
 357     );
 358
 359
 360 void
 361 BSSvClearNodeDBTable(
 362     void *hDeviceContext,
 363     UINT uStartIndex
 364     );
 365
 366 void
 367 BSSvClearAnyBSSJoinRecord(
 368     void *hDeviceContext
 369     );
 370
 371 #endif //__BSSDB_H__