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   1 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 //      bssdscpt.c
   3 //              BSS descriptor data base
   4 //      history :
   5 //
   6 //      Description:
   7 //              BSS descriptor data base will store the information of the stations at the
   8 //              surrounding environment. The first entry( psBSS(0) ) will not be used and the
   9 //              second one( psBSS(1) ) will be used for the broadcast address.
  10 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  11
  12 //#define MAX_ACC_RSSI_COUNT            10
  13 #define MAX_ACC_RSSI_COUNT              6
  14
  15 ///////////////////////////////////////////////////////////////////////////
  16 //
  17 // BSS Description set Element , to store scan received Beacon information
  18 //
  19 // Our's differs slightly from the specs. The specify a PHY_Parameter_Set.
  20 // Since we're only doing a DS design right now, we just have a DS structure.
  21 //////////////////////////////////////////////////////////////////////////////
  22 typedef struct BSSDescriptionElement
  23 {
  24         u32             SlotValid;
  25         u32             PowerSaveMode;
  26         RXLAYER1        RxLayer1;
  27
  28     u8          abPeerAddress[ MAC_ADDR_LENGTH + 2 ]; // peer MAC Address associated with this session. 6-OCTET value
  29     u32         dwBgScanStamp;          // BgScan Sequence Counter stamp, record psROAM->dwScanCounter.
  30
  31         u16             Beacon_Period;
  32         u16             wATIM_Window;
  33
  34     u8          abBssID[ MAC_ADDR_LENGTH + 2 ];                         // 6B
  35
  36     u8          bBssType;
  37     u8          DTIM_Period;        // 1 octet usually from TIM element, if present
  38         u8              boInTimerHandler;
  39         u8              boERP;                  // analysis ERP or (extended) supported rate element
  40
  41         u8              Timestamp[8];
  42         u8              BasicRate[32];
  43         u8              OperationalRate[32];
  44         u32             dwBasicRateBitmap;                      //bit map, retrieve from SupportedRateSet
  45         u32             dwOperationalRateBitmap;        //bit map, retrieve from SupportedRateSet and
  46                                                                                 // ExtendedSupportedRateSet
  47         // For RSSI calculating
  48         u32             HalRssi[MAX_ACC_RSSI_COUNT]; // Encode. It must use MACRO of HAL to get the LNA and AGC data
  49         u32             HalRssiIndex;
  50
  51         ////From beacon/probe response
  52     struct SSID_Element SSID;                           // 34B
  53         u8      reserved_1[ 2 ];
  54
  55     struct Capability_Information_Element   CapabilityInformation;  // 2B
  56         u8      reserved_2[ 2 ];
  57
  58     struct CF_Parameter_Set_Element    CF_Parameter_Set;                // 8B
  59     struct IBSS_Parameter_Set_Element  IBSS_Parameter_Set;              // 4B
  60     struct TIM_Element                 TIM_Element_Set;                         // 256B
  61
  62     struct DS_Parameter_Set_Element    DS_Parameter_Set;                // 3B
  63         u8      reserved_3;
  64
  65         struct ERP_Information_Element          ERP_Information_Set;    // 3B
  66         u8      reserved_4;
  67
  68     struct Supported_Rates_Element     SupportedRateSet;                        // 10B
  69         u8      reserved_5[2];
  70
  71         struct Extended_Supported_Rates_Element ExtendedSupportedRateSet;       // 257B
  72         u8      reserved_6[3];
  73
  74         u8      band;
  75         u8      reserved_7[3];
  76
  77         // for MLME module
  78     u16         wState;                 // the current state of the system
  79         u16             wIndex;                 // THIS BSS element entry index
  80
  81         void*   psAdapter;              // pointer to THIS Adapter
  82         OS_TIMER        nTimer;  // MLME timer
  83
  84     // Authentication
  85     u16         wAuthAlgo;      // peer MAC MLME use Auth algorithm, default OPEN_AUTH
  86     u16         wAuthSeqNum;    // current local MAC sendout AuthReq sequence number
  87
  88         u8              auth_challengeText[128];
  89
  90         ////For XP:
  91     u32         ies_len;                // information element length
  92     u8          ies[256];               // information element
  93
  94         ////For WPA
  95         u8      RsnIe_Type[2];          //added by ws for distinguish WPA and WPA2 05/14/04
  96         u8      RsnIe_len;
  97     u8  Rsn_Num;
  98
  99     // to record the rsn cipher suites,addded by ws 09/05/04
 100         SUITE_SELECTOR                  group_cipher; // 4B
 101         SUITE_SELECTOR                  pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT];
 102         SUITE_SELECTOR                  auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT];
 103
 104         u16                                     pairwise_key_cipher_suite_count;
 105         u16                                     auth_key_mgt_suite_count;
 106
 107         u8                                      pairwise_key_cipher_suite_selected;
 108         u8                                      auth_key_mgt_suite_selected;
 109         u8                                      reserved_8[2];
 110
 111         struct RSN_Capability_Element  rsn_capabilities; // 2B
 112         u8                                      reserved_9[2];
 113
 114     //to record the rsn cipher suites for WPA2
 115     #ifdef _WPA2_
 116         u32                                     pre_auth;               //added by WS for distinguish for 05/04/04
 117     SUITE_SELECTOR                      wpa2_group_cipher; // 4B
 118         SUITE_SELECTOR                  wpa2_pairwise_key_cipher_suites[WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT];
 119         SUITE_SELECTOR                  wpa2_auth_key_mgt_suites[WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT];
 120
 121         u16                                     wpa2_pairwise_key_cipher_suite_count;
 122         u16                                     wpa2_auth_key_mgt_suite_count;
 123
 124         u8                                      wpa2_pairwise_key_cipher_suite_selected;
 125         u8                                      wpa2_auth_key_mgt_suite_selected;
 126         u8                                      reserved_10[2];
 127
 128         struct RSN_Capability_Element  wpa2_rsn_capabilities; // 2B
 129         u8                                      reserved_11[2];
 130     #endif //endif _WPA2_
 131
 132         //For Replay protection
 133 //      u8              PairwiseTSC[6];
 134 //      u8              GroupTSC[6];
 135
 136         ////For up-to-date
 137         u32             ScanTimeStamp;  //for the decision whether the station/AP(may exist at
 138                                                         //different channels) has left. It must be detected by
 139                                                         //scanning. Local device may connected or disconnected.
 140         u32             BssTimeStamp;   //Only for the decision whether the station/AP(exist in
 141                                                         //the same channel, and no scanning) if local device has
 142                                                         //connected successfully.
 143
 144         // 20061108 Add for storing WPS_IE. [E id][Length][OUI][Data]
 145         u8              WPS_IE_Data[MAX_IE_APPEND_SIZE];
 146         u16             WPS_IE_length;
 147         u16             WPS_IE_length_tmp; // For verify there is an WPS_IE in Beacon or probe response
 148
 149 } WB_BSSDESCRIPTION, *PWB_BSSDESCRIPTION;
 150
 151 #define wBSSConnectedSTA(Adapter)             \
 152     ((u16)(Adapter)->sLocalPara.wConnectedSTAindex)
 153
 154 #define psBSS(i)                        (&(Adapter->asBSSDescriptElement[(i)]))
 155
 156