release/src-rt-6.x.4708/linux/linux-2.6.36/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     unsigned char byERP;
  95 }ERPObject, *PERPObject;
  96
  97
  98 typedef struct tagSRSNCapObject {
  99     bool bRSNCapExist;
 100     unsigned short wRSNCap;
 101 }SRSNCapObject, *PSRSNCapObject;
 102
 103 // BSS info(AP)
 104 #pragma pack(1)
 105 typedef 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__))
 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     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
 245 PKnownBSS
 246 BSSpSearchBSSList(
 247     void *hDeviceContext,
 248     unsigned char *pbyDesireBSSID,
 249     unsigned char *pbyDesireSSID,
 250     CARD_PHY_TYPE ePhyType
 251     );
 252
 253 PKnownBSS
 254 BSSpAddrIsInBSSList(
 255     void *hDeviceContext,
 256     unsigned char *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     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
 288 bool
 289 BSSbUpdateToBSSList(
 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
 311 bool
 312 BSSDBbIsSTAInNodeDB(void *hDeviceContext, unsigned char *abyDstAddr,
 313                 unsigned int *puNodeIndex);
 314
 315 void
 316 BSSvCreateOneNode(void *hDeviceContext, unsigned int *puNodeIndex);
 317
 318 void
 319 BSSvUpdateAPNode(
 320     void *hDeviceContext,
 321     unsigned short *pwCapInfo,
 322     PWLAN_IE_SUPP_RATES pItemRates,
 323     PWLAN_IE_SUPP_RATES pExtSuppRates
 324     );
 325
 326
 327 void
 328 BSSvSecondCallBack(
 329     void *hDeviceContext
 330     );
 331
 332
 333 void
 334 BSSvUpdateNodeTxCounter(
 335     void *hDeviceContext,
 336     unsigned char byTsr0,
 337     unsigned char byTsr1,
 338     unsigned char *pbyBuffer,
 339     unsigned int uFIFOHeaderSize
 340     );
 341
 342 void
 343 BSSvRemoveOneNode(
 344     void *hDeviceContext,
 345     unsigned int uNodeIndex
 346     );
 347
 348 void
 349 BSSvAddMulticastNode(
 350     void *hDeviceContext
 351     );
 352
 353
 354 void
 355 BSSvClearNodeDBTable(
 356     void *hDeviceContext,
 357     unsigned int uStartIndex
 358     );
 359
 360 void
 361 BSSvClearAnyBSSJoinRecord(
 362     void *hDeviceContext
 363     );
 364
 365 #endif //__BSSDB_H__