mlme.h

经过修改的在uClinux2.6上正常运行的ralink rt2571芯片组的设备驱动程序.

	USHORT							RsnCapability;	// RSN capability from beacon
	BOOLEAN							bMixMode;		// Indicate Pair & Group cipher might be different
}	CIPHER_SUITE, *PCIPHER_SUITE;

// EDCA configuration from AP's BEACON/ProbeRsp
typedef struct PACKED {
    BOOLEAN     bValid;         // 1: variable contains valid value
    BOOLEAN     bQAck;
    BOOLEAN     bQueueRequest;
    BOOLEAN     bTxopRequest;
//  BOOLEAN     bMoreDataAck;
    UCHAR       EdcaUpdateCount;
    UCHAR       Aifsn[4];       // 0:AC_BK, 1:AC_BE, 2:AC_VI, 3:AC_VO
    UCHAR       Cwmin[4];
    UCHAR       Cwmax[4];
    USHORT      Txop[4];      // in unit of 32-us
    BOOLEAN     bACM[4];      // 1: Admission Control of AC_BK is mandattory
} EDCA_PARM, *PEDCA_PARM;

// QBSS LOAD information from QAP's BEACON/ProbeRsp
typedef struct PACKED {
    BOOLEAN     bValid;                     // 1: variable contains valid value
    USHORT      StaNum;
    UCHAR       ChannelUtilization;
    USHORT      RemainingAdmissionControl;  // in unit of 32-us
} QBSS_LOAD_PARM, *PQBSS_LOAD_PARM;

// QOS Capability reported in QAP's BEACON/ProbeRsp
// QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq
typedef struct PACKED {
    BOOLEAN     bValid;                     // 1: variable contains valid value
    BOOLEAN     bQAck;
    BOOLEAN     bQueueRequest;
    BOOLEAN     bTxopRequest;
//  BOOLEAN     bMoreDataAck;
    UCHAR       EdcaUpdateCount;
} QOS_CAPABILITY_PARM, *PQOS_CAPABILITY_PARM;

typedef struct {
    UCHAR   Bssid[MAC_ADDR_LEN];
    UCHAR   Channel;
    UCHAR   BssType;
    USHORT  AtimWin;
    USHORT  BeaconPeriod;

    UCHAR   SupRate[MAX_LEN_OF_SUPPORTED_RATES];
    UCHAR   SupRateLen;
    UCHAR   ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
    UCHAR   ExtRateLen;
    UCHAR   Rssi;
    UCHAR   Privacy;			// Indicate security function ON/OFF. Don't mess up with auth mode.
	UCHAR	Hidden;

    USHORT  DtimPeriod;
    USHORT  CapabilityInfo;

    USHORT  CfpCount;
    USHORT  CfpPeriod;
    USHORT  CfpMaxDuration;
    USHORT  CfpDurRemaining;
    UCHAR   SsidLen;
    CHAR    Ssid[MAX_LEN_OF_SSID];
    
    ULONG   LastBeaconRxTime; // OS's timestamp

    // New for WPA2
	CIPHER_SUITE					WPA;			// AP announced WPA cipher suite
	CIPHER_SUITE					WPA2;			// AP announced WPA2 cipher suite
	
	// New for microsoft WPA support
	NDIS_802_11_FIXED_IEs	FixIEs;
	NDIS_802_11_AUTHENTICATION_MODE	AuthModeAux;	// Addition mode for WPA2 / WPA capable AP
	NDIS_802_11_AUTHENTICATION_MODE	AuthMode;	
	UCHAR                           AuthBitMode;
	NDIS_802_11_WEP_STATUS	WepStatus;				// Unicast Encryption Algorithm extract from VAR_IE
	UCHAR					VarIELen;				// Length of next VIE include EID & Length
	UCHAR					VarIEs[MAX_VIE_LEN];

	// CCX Ckip information
    UCHAR   CkipFlag;
	// CCX 2 TSF
	//UCHAR	PTSF[4];		// Parent TSF
	//UCHAR	TTSF[8];		// Target TSF

    // 802.11e d9, and WMM
	EDCA_PARM           EdcaParm;
	QOS_CAPABILITY_PARM QosCapability;
	QBSS_LOAD_PARM      QbssLoad;
} BSS_ENTRY, *PBSS_ENTRY;

typedef struct {
    UCHAR           BssNr;
    UCHAR           BssOverlapNr;
    BSS_ENTRY       BssEntry[MAX_LEN_OF_BSS_TABLE];
} BSS_TABLE, *PBSS_TABLE;

typedef struct _MLME_QUEUE_ELEM {
    ULONG             Machine;
    ULONG             MsgType;
    ULONG             MsgLen;
    LARGE_INTEGER     TimeStamp;
    UCHAR             Rssi;
    UCHAR             Signal;
    UCHAR             Channel;
    BOOLEAN           Occupied;
    BOOLEAN           bReqIsFromNdis;
    UCHAR             Msg[MAX_LEN_OF_MLME_BUFFER];
} MLME_QUEUE_ELEM, *PMLME_QUEUE_ELEM;

typedef struct _MLME_QUEUE {
    ULONG             Num;
    ULONG             Head;
    ULONG             Tail;
    spinlock_t        Lock;
    MLME_QUEUE_ELEM   Entry[MAX_LEN_OF_MLME_QUEUE];
} MLME_QUEUE, *PMLME_QUEUE;

typedef VOID (*STATE_MACHINE_FUNC)(VOID *Adaptor, MLME_QUEUE_ELEM *Elem);

typedef struct _STATE_MACHINE {
    ULONG                           Base;
    ULONG                           NrState;
    ULONG                           NrMsg;
    ULONG                           CurrState;
    STATE_MACHINE_FUNC             *TransFunc;
} STATE_MACHINE, *PSTATE_MACHINE;

// MLME AUX data structure that hold temporarliy settings during a connection attempt.
// Once this attemp succeeds, all settings will be copy to pAd->ActiveCfg.
// A connection attempt (user set OID, roaming, CCX fast roaming,..) consists of
// several steps (JOIN, AUTH, ASSOC or REASSOC) and may fail at any step. We purposely
// separate this under-trial settings away from pAd->ActiveCfg so that once
// this new attempt failed, driver can auto-recover back to the active settings.
typedef struct _MLME_AUX {
    UCHAR               BssType;
    UCHAR               Ssid[MAX_LEN_OF_SSID];
    UCHAR               SsidLen;
    UCHAR               Bssid[MAC_ADDR_LEN];
	UCHAR				AutoReconnectSsid[MAX_LEN_OF_SSID];
	UCHAR				AutoReconnectSsidLen;
    USHORT              Alg;
    UCHAR               ScanType;
    UCHAR               Channel;
    USHORT              Aid;
    USHORT              CapabilityInfo;
    USHORT              BeaconPeriod;
    USHORT              CfpMaxDuration;
    USHORT              CfpPeriod;
    USHORT              AtimWin;
    
	// Copy supported rate from desired AP's beacon. We are trying to match
	// AP's supported and extended rate settings.
	UCHAR		        SupRate[MAX_LEN_OF_SUPPORTED_RATES];
	UCHAR		        ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
	UCHAR		        SupRateLen;
	UCHAR		        ExtRateLen;

    // new for QOS
    QOS_CAPABILITY_PARM APQosCapability;    // QOS capability of the current associated AP
    EDCA_PARM           APEdcaParm;         // EDCA parameters of the current associated AP
    QBSS_LOAD_PARM      APQbssLoad;         // QBSS load of the current associated AP

    // new to keep Ralink specific feature
    ULONG               APRalinkIe;
    
    BSS_TABLE           SsidBssTab;     // AP list for the same SSID
    BSS_TABLE           RoamTab;        // AP list eligible for roaming
    ULONG               BssIdx;
    ULONG               RoamIdx;

	BOOLEAN				CurrReqIsFromNdis;  // TRUE - then we should call NdisMSetInformationComplete()
                                            // FALSE - req is from driver itself. 
                                            // no NdisMSetInformationComplete() is required

	RALINK_TIMER_STRUCT BeaconTimer, ScanTimer;
	RALINK_TIMER_STRUCT AuthTimer;
	RALINK_TIMER_STRUCT AssocTimer, ReassocTimer, DisassocTimer;
} MLME_AUX, *PMLME_AUX;

// assoc struct is equal to reassoc
typedef struct _MLME_ASSOC_REQ_STRUCT{
    UCHAR     Addr[MAC_ADDR_LEN];
    USHORT    CapabilityInfo;
    USHORT    ListenIntv;
    ULONG     Timeout;
} MLME_ASSOC_REQ_STRUCT, *PMLME_ASSOC_REQ_STRUCT, MLME_REASSOC_REQ_STRUCT, *PMLME_REASSOC_REQ_STRUCT;

typedef struct _MLME_DISASSOC_REQ_STRUCT{
    UCHAR     Addr[MAC_ADDR_LEN];
    USHORT    Reason;
} MLME_DISASSOC_REQ_STRUCT, *PMLME_DISASSOC_REQ_STRUCT;

typedef struct _MLME_AUTH_REQ_STRUCT {
    UCHAR        Addr[MAC_ADDR_LEN];
    USHORT       Alg;
    ULONG        Timeout;
} MLME_AUTH_REQ_STRUCT, *PMLME_AUTH_REQ_STRUCT;

typedef struct _MLME_DEAUTH_REQ_STRUCT {
    UCHAR        Addr[MAC_ADDR_LEN];
    USHORT       Reason;
} MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;

typedef struct {
    ULONG      BssIdx;
} MLME_JOIN_REQ_STRUCT;

typedef struct _MLME_SCAN_REQ_STRUCT {
    UCHAR      Bssid[MAC_ADDR_LEN];
    UCHAR      BssType;
    UCHAR      ScanType;
    UCHAR      SsidLen;
    CHAR       Ssid[MAX_LEN_OF_SSID];
} MLME_SCAN_REQ_STRUCT, *PMLME_SCAN_REQ_STRUCT;

typedef struct _MLME_START_REQ_STRUCT {
    CHAR        Ssid[MAX_LEN_OF_SSID];
    UCHAR       SsidLen;
} MLME_START_REQ_STRUCT, *PMLME_START_REQ_STRUCT;

typedef struct {
    UCHAR   Eid;
    UCHAR   Len;
    CHAR   Octet[1];
} EID_STRUCT,*PEID_STRUCT;

#endif  // __MLME_H__