hotspotfw/hsserver/inc/802dot11.h
changeset 0 56b72877c1cb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspotfw/hsserver/inc/802dot11.h	Thu Dec 17 09:20:28 2009 +0200
@@ -0,0 +1,3713 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Header file mainly for 802.11 specific declarations and 
+*                definitions.
+*
+*/
+
+
+
+#ifndef WLAN802DOT11_H
+#define WLAN802DOT11_H
+
+// for copy, equal and operator != support
+#include "algorithm.h"
+#include "pack.h"
+
+// returns aDest
+extern 
+TAny* os_memcpy( TAny* aDest, const TAny* aSrc, TUint32 aLengthinBytes );
+// returns 0 if equal
+extern TInt 
+os_memcmp( const TAny* aSrc1, const TAny* aSrc2, TUint aLengthinBytes );
+
+/**
+ * Returns a TUint16 host byte order value in WLAN MAC layer byte order 
+ * (LSB first)
+ *
+ * @since S60 3.1
+ * @param aNw value in network byte order
+ * @return value in host byte order
+ */
+extern TUint16 os_Hton( TUint16 aHost );
+
+/**
+ * Returns a TUint16 WLAN MAC layer byte order (LSB first) value in host byte 
+ * order
+ *
+ * @since S60 3.1
+ * @param aNw value in network byte order
+ * @return value in host byte order
+ */
+extern TUint16 os_Ntoh( TUint16 aNw );
+
+/**
+ * Allows also unaligned reading of a TUint16 WLAN MAC layer byte order 
+ * (LSB first) value and returns the result in the byte order which
+ * is in use in the host
+ *
+ * @since S60 3.1
+ * @param aNwSource where to read the WLAN MAC layer byte order value from
+ * @return the value which was read, in host byte order
+ */
+inline TUint16 ReadUint16Toh( const TUint16* aNwSource )
+    {
+    return ( os_Ntoh( 
+        ( static_cast<const TUint16>( 
+            ( reinterpret_cast<const TUint8*>(aNwSource) )[0] ) | 
+         ( static_cast<const TUint16>(
+            ( reinterpret_cast<const TUint8*>(aNwSource) )[1] ) << 8 ) ) ) );
+    }
+
+/**
+ * Allows also unaligned writing of a TUint16 host byte order value
+ * into WLAN MAC layer byte order
+ *
+ * @since S60 3.1
+ * @param aNwTarget where to write the WLAN MAC layer byte order value to
+ * @param aHostValue the host byte order value to be written
+ */
+inline void WriteHtoUint16( TUint16* aNwTarget, TUint16 aHostValue )
+    {
+    TUint16 nwValue = os_Hton( aHostValue );
+    reinterpret_cast<TUint8*>(aNwTarget)[0] = 
+        ( reinterpret_cast<TUint8*>(&nwValue) )[0];
+    reinterpret_cast<TUint8*>(aNwTarget)[1] = 
+        ( reinterpret_cast<TUint8*>(&nwValue) )[1];
+    }
+
+/**
+ * Reverses the byte order of a TUint16 value
+ *
+ * @since S60 3.1
+ * @param aOriginal value whose byte order is to be reversed
+ * @return the input parameter in reversed byte order
+ */
+inline TUint16 ReverseUint16( TUint16 aOriginal )
+    {
+    return ( ( aOriginal >> 8 ) | ( aOriginal << 8 ) );
+    }
+
+
+/**
+* A measurement of time equal to 1024 µs.
+*/
+const TUint16 KTU = 1024;
+
+/**
+* Length of the MAC address
+*/
+const TUint8 KMacAddressLength = 6;
+
+/**
+* Length of MAC header
+*/
+const TUint8 KMacHeaderLength = 24;
+
+/**
+* Maximum number of 802.11b supported rates 
+* 1, 2, 5.5, 11 MBit/s
+*/
+const TUint8 KMaxNumberOfDot11bRates = 4; 
+
+/**
+* Maximum number of actual supported rate elements in 
+* supported rates information element
+*/
+const TUint8 KMaxNumberOfRates = 8;
+
+/**
+* Maximum number of actual 802.11 supported rate elements in 
+* extended supported rates information element
+*/
+const TUint8 KMaxNumberOfExtendedRates = 255;
+
+/**
+* Maximum number of 802.11b plus 802.11g supported rates 
+*/
+const TUint8 KMaxNumberOfDot11bAndgRates = 14; 
+
+/**
+* Bit mask for checking is supported rate element 
+* part of BSS Basic Rate Set (MSB bit is set)
+*/
+const TUint8 KBasicRateMask = 0x80;
+
+/**
+* Maximum length for a WEP key in BYTES
+*/
+const TUint32 KMaxWEPKeyLength = 29;    // 232 bits
+
+/**
+* Length of TKIP key;
+*/
+const TUint8 KTKIPKeyLength = 16;
+
+/**
+* Length of WEP Init.Vector in BYTES
+*/
+const TUint8 KWepIVLength = 4;
+
+/**
+* Length of WEP ICV in BYTES
+*/
+const TUint8 KWEPICVLength = 4;
+
+/**
+* Length of Extended IV field in bytes.
+*/
+const TUint8 KWepExtendedIVLength = 4;
+
+/**
+* Mask to determine is Ext IV bit up in WEP IV
+*/
+const TUint32 KWepExtendedIvMask = 0x20000000;
+
+/**
+* Mask for Use Protection bit in ERP Information IE
+*/
+const TUint8 KUseProtectionMask = 0x02;
+
+/**
+* Length of MIC in BYTEs
+*/
+const TUint8 KMicLength = 8;
+
+/** 
+* Length of the MIC key in BYTEs
+*/ 
+const TUint8 KMicKeyLength = 8;
+
+/**
+* Maximum length of a SSID in BYTES
+*/
+const TUint8 KMaxSSIDLength = 32;
+
+/**
+* Maximum length of an outbound RSN IE length in BYTEs
+*/
+const TUint8 KMaxTxRsnIELength = 38;
+
+/**
+* Length of ID and Length fields of an information element.
+*/
+const TUint8 KInfoElementHeaderLength = 2;
+
+/**
+* Length of the challenge text in BYTES used in shared key authentication
+*/
+const TUint8 KChallengeTextLength = 128;
+
+/**
+* Ethernet header type field identifier for Bounce type packet
+*/
+const TUint16 KBounceType = 0x8013;
+
+/**
+* Ethernet header type field identifier for EAPOL type packet (IEEE 802.1X)
+*/
+const TUint16 KEapolType = 0x888E;
+
+/**
+* Ethernet header type field identifier for IP type packet
+*/
+const TUint16 KIpType = 0x0800;
+
+/**
+* Ethernet header type field identifier for IPv6 type packet
+*/
+const TUint16 KIpv6Type = 0x86DD;
+
+/**
+* Ethernet header type field identifier for ARP type packet
+*/
+const TUint16 KArpType = 0x0806;
+
+/**
+* Maks for determining does PLCP header service field have PBCC bit set
+*/
+const TUint8 KPlcpServicePbccMask = 0x08;
+
+/**
+* Length of OUI field in SNAP header
+*/
+const TUint8 KOIULength = 3;
+
+/**
+* Maximum length of 802.11 Frame Body field
+*/
+const TUint16 KMaxDot11FrameBodyLength = 2312;
+
+/**
+* Length of trailing FCS in bytes
+*/
+const TUint32 KFcsLength = 4;
+
+/**
+* Maximum length of 802.11 frame we will transmit or receive.
+* This excludes the tailing FCS ( HW strips it )
+* and Address4 field in the MPDU header 
+* ( AP-to-AP mode frames are filtered out )
+*/
+const TUint16 KMaxDot11FrameLength = KMacHeaderLength 
+    + KMaxDot11FrameBodyLength; // 24 + 2312 = 2336
+
+/**
+* Maximum length of 802.11 frame as stated in the standard
+*/
+const TUint16 KDot11MPDUMaxLength = 2346;
+
+/**
+* Maximum length of ethernet frame
+*/
+const TUint16 KMaxEthernetFrameLength = 1514;
+
+/**
+* Maximum value in ethernet length field
+*/
+const TUint16 KMaxEthernetLengthFieldvalue = 1500;
+
+/**
+* Length of the TKIP key in BYTEs
+*/
+const TUint8 KTkIpKeyLength = 16;
+
+/**
+* Length of IPv4 address field in BYTEs
+*/
+const TUint8 KIpv4AddrLength = 4;
+
+/**
+* Length of the priority filed used in WPA MIC calculation
+*/
+const TUint32 KWpaPriorityVecLen = 4;
+
+/**
+* WPA priority field used in MIC calculation
+*/
+const TUint8 KWpaPriorityVec[KWpaPriorityVecLen] = {0,0,0,0};
+
+/**
+* Mask for frame type for frame control field.
+*/
+const TUint32 K802Dot11FrameTypeMask = 0xFFFF;
+
+/**
+* Mask to determine if U-APSD bit is up in QoS info field of WMM IE
+*/
+const TUint8 KUapsdQosInfoMask = 0x80;
+
+/**
+* Mask for parameter set count in QoS info field of WMM IE
+*/
+const TUint8 KParamSetCountQosInfoMask = 0x0F;
+
+/**
+* Length of WMM Information Element
+*/
+const TUint8 KWmmInfoElemLen = 7;
+
+/**
+* Length of OUI field in Information Elements
+*/
+const TUint8 KIeOuiLength = 3;
+
+typedef TUint8 TIeOui[KIeOuiLength];
+
+/**
+* OUI value of WMM Information Element and
+* WMM Parameter Element
+*/
+const TIeOui KWmmElemOui = { 0x00, 0x50, 0xF2 };
+
+/**
+* OUI Type value of WMM Information Element and
+* WMM Parameter Element
+*/
+const TUint8 KWmmElemOuiType = 2;
+
+/**
+* OUI Subtype value of WMM Information Element
+*/
+const TUint8 KWmmInfoElemOuiSubType = 0;
+
+/**
+* OUI Subtype value of WMM Parameter Element
+*/
+const TUint8 KWmmParamElemOuiSubtype = 1;
+
+/**
+* Version of WMM Information Element
+*/
+const TUint8 KWmmInfoElemVersion = 1;
+
+/**
+* Version of WMM Parameter Element
+*/
+const TUint8 KWmmParamElemVersion = 1;
+
+/**
+* The TXOP Limit in the AC Parameters Record of WMM Parameter Element
+* needs to be multiplied by this value to get TXOP Limit in microseconds
+*/
+const TUint8 KWmmTxOpLimitMultiplier = 32;
+
+/**
+* AC flags in QoS info field of WMM IE
+* When a flag is set the corresponding AC is both trigger and delivery enabled
+*/
+enum TQosInfoUapsdFlag
+    {
+    EAcVoUapsdFlag = 0x01, // Voice 
+    EAcViUapsdFlag = 0x02, // Video 
+    EAcBkUapsdFlag = 0x04, // Background 
+    EAcBeUapsdFlag = 0x08  // Best Effort 
+    };
+
+
+/**
+* Maximum U-APSD Service Period length. Indicates the max number of MSDUs and 
+* MMPDUs the WMM AP may deliver to a WMM STA during any service period 
+* triggered by the WMM STA.
+*/
+enum TQosInfoUapsdMaxSpLen
+    {
+    EMaxSpLenAllFrames  = 0x00,
+    EMaxSpLenTwoFrames  = 0x20,
+    EMaxSpLenFourFrames = 0x40,
+    EMaxSpLenSixFrames  = 0x60
+    };
+
+const TUint8 K802Dot11AccessCategoryMask = 0x60;
+
+/**
+* WMM Access Categories
+*/
+enum TWmmAccessCategory
+    {
+    EAcBestEffort   = 0x00, 
+    EAcBackground   = 0x20,
+    EAcVideo        = 0x40,
+    EAcVoice        = 0x60
+    };
+
+/**
+* Number of WMM Access Categories
+*/
+const TUint8 KNumOfWmmACs = 4;
+
+/**
+* Mask for the Admission Control Mandatory flag
+* in ACI/AIFSN field
+* of AC parameter Record
+* of WMM Parameter Element
+*/
+const TUint8 KWmmAdmissionCtrlMandatoryMask = 0x10;
+
+/**
+* Mask for the AIFSN subfiled
+* in ACI/AIFSN field
+* of AC parameter Record
+* of WMM Parameter Element
+*/
+const TUint8 KWmmAifsnMask = 0x0F;
+
+/**
+* Mask for the ECWmin field
+* of AC parameter Record
+* of WMM Parameter Element
+*/
+const TUint8 KWmmEcwMinMask = 0x0F;
+
+/**
+* Mask for the ECWmax field
+* of AC parameter Record
+* of WMM Parameter Element
+*/
+const TUint8 KWmmEcwMaxMask = 0xF0;
+
+/**
+* 802.11 Authentication sequence numbers
+*/
+enum T802Dot11AuthenticationSeqNmbr
+    {
+    E802Dot11AuthenticationSeqNmbr1   = 1,
+    E802Dot11AuthenticationSeqNmbr2   = 2,
+    E802Dot11AuthenticationSeqNmbr3   = 3,
+    E802Dot11AuthenticationSeqNmbr4   = 4
+    };
+
+/**
+* 802.11 WEP key ID values
+*/
+enum T802Dot11WepKeyId
+    {
+    E802Dot11WepKeyId0 = 0,
+    E802Dot11WepKeyId1 = 1,
+    E802Dot11WepKeyId2 = 2,
+    E802Dot11WepKeyId3 = 3,
+    // defined as an upper bound
+    E802Dot11WepKeyIdMax = 4
+    };
+
+/**
+* 802.11 supported rate bytes. Used e.g. in Beacon frames.
+*/
+enum T802Dot11SupportedRate
+    {
+    E802Dot11Rate1MBit              = 2,
+    E802Dot11Rate2MBit              = 4,
+    E802Dot11Rate5p5MBit            = 11,
+    E802Dot11Rate6MBit              = 12,
+    E802Dot11Rate9MBit              = 18,
+    E802Dot11Rate11MBit             = 22,
+    E802Dot11Rate12MBit             = 24,
+    E802Dot11Rate18MBit             = 36,
+    E802Dot11Rate22MBit             = 44,
+    E802Dot11Rate24MBit             = 48,
+    E802Dot11Rate33MBit             = 66,
+    E802Dot11Rate36MBit             = 72,
+    E802Dot11Rate48MBit             = 96,
+    E802Dot11Rate54MBit             = 108
+    };
+
+/**
+* Management frame information element IDs.
+*/
+enum T802Dot11InformationElementID
+    {
+    E802Dot11SsidIE                 = 0,
+    E802Dot11SupportedRatesIE       = 1,
+    E802Doi11FhParameterSetIE       = 2,
+    E802Dot11DsParameterSetIE       = 3,
+    E802Dot11CfParameterSetIE       = 4,
+    E802Dot11TimIE                  = 5,
+    E802Dot11IbssParameterSetIE     = 6,
+    E802Dot11CountryIE              = 7,
+    E802Dot11HoppingPatternParamIE  = 8,
+    E802Dot11HoppingPatternTableIE  = 9,
+    E802Dot11RequestIE              = 10,
+
+    E802Dot11ChallengeTextIE        = 16,
+    // Reserved for challenge text extension 17 - 31
+    E802Dot11ErpInformationIE       = 42,
+    E802Dot11ExtendedRatesIE        = 50,
+    E802Dot11RsnIE                  = 221,
+    E802Dot11VendorSpecificIE       = 221    
+    };
+
+/**
+* Bit masks for bit fields ín Frame Control field.
+*/
+enum T802Dot11FrameControlBitMask
+    {
+    E802Dot11FrameControlProtVersionMask= 0x0003,
+    E802Dot11FrameControlTypeMask       = 0x000C,
+    E802Dot11FrameControlSubtypeMask    = 0x00F0,
+    E802Dot11FrameControlToDsMask       = 0x0100,
+    E802Dot11FrameControlFromDsMask     = 0x0200,
+    E802Dot11FrameControlMoreFragMask   = 0x0400,
+    E802Dot11FrameControlRetryMask      = 0x0800,
+    E802Dot11FrameControlPowerMgmtMask  = 0x1000,
+    E802Dot11FrameControlMoreDataMask   = 0x2000,
+    E802Dot11FrameControlWepMask        = 0x4000,
+    E802Dot11FrameControlOrderMask      = 0x8000
+    };
+
+/**
+* Frame Control field type masks.
+*/
+enum T802Dot11FrameControlBasicTypeMask
+{
+    E802Dot11FrameBasicTypeManagement       = 0x00,
+    E802Dot11FrameBasicTypeControl          = 0x04,
+    E802Dot11FrameBasicTypeData             = 0x08
+};
+
+/**
+* Frame Control field subtype masks.
+*/
+enum T802Dot11FrameControlTypeMask
+    {
+    E802Dot11FrameTypeAssociationReq        = 0x00,
+    E802Dot11FrameTypeAssociationResp       = 0x10,
+    E802Dot11FrameTypeReassociationReq      = 0x20,
+    E802Dot11FrameTypeReassociationResp     = 0x30,
+    E802Dot11FrameTypeProbeReq              = 0x40,
+    E802Dot11FrameTypeProbeResp             = 0x50,
+    E802Dot11FrameTypeBeacon                = 0x80,
+    E802Dot11FrameTypeAtim                  = 0x90,
+    E802Dot11FrameTypeDisassociation        = 0xA0,
+    E802Dot11FrameTypeAuthentication        = 0xB0,
+    E802Dot11FrameTypeDeauthentication      = 0xC0,
+    E802Dot11FrameTypePowerSavePoll         = 0xA4,
+    E802Dot11FrameTypeReqToSend             = 0xB4,
+    E802Dot11FrameTypeClearToSend           = 0xC4,
+    E802Dot11FrameTypeAcknowledgement       = 0xD4,
+    E802Dot11FrameTypeCfEnd                 = 0xE4,
+    E802Dot11FrameTypeCfEndCfAck            = 0xF4,
+    E802Dot11FrameTypeData                  = 0x08,
+    E802Dot11FrameTypeDataCfAck             = 0x18,
+    E802Dot11FrameTypeDataCfPoll            = 0x28,
+    E802Dot11FrameTypeDataCfAckCfPoll       = 0x38,
+    E802Dot11FrameTypeDataNull              = 0x48,
+    E802Dot11FrameTypeCfAckNoData           = 0x58,
+    E802Dot11FrameTypeCfPollNoData          = 0x68,
+    E802Dot11FrameTypeCfAckCfPollNoData     = 0x78,
+    E802Dot11FrameTypeQosData               = 0x88,
+    E802Dot11FrameTypeQosDataCfAck          = 0x98,
+    E802Dot11FrameTypeQosDataCfPoll         = 0xA8,
+    E802Dot11FrameTypeQosDataCfAckCfPoll    = 0xB8,
+    E802Dot11FrameTypeQosDataNull           = 0xC8,
+
+    // not valid 802.11 types. 
+    // just used in TxCompleted function to distinct separate cases
+    E802Dot11FrameTypeAuthSeqNmbr1          = 0xFD,
+    E802Dot11FrameTypeAuthSeqNmbr3          = 0xFE,
+    E802Dot11FrameTypeDataEapol             = 0xFF,
+
+    // not valid 802.11 types. 
+    // just for test purposes
+    E802Dot11FrameTypeTestFrame             = 0xFFFF
+    };
+
+/**
+* Bit masks for Capability Information field.
+*/
+enum T802Dot11CapabilityBitMask
+    {
+    E802Dot11CapabilityEssMask          = 0x0001,
+    E802Dot11CapabilityIbssMask         = 0x0002,
+    E802Dot11CapabilityCfPollableMask   = 0x0004,
+    E802Dot11CapabilityCfPollRequestMask= 0x0008,
+    E802Dot11CapabilityPrivacyMask      = 0x0010,
+    // these little critters are from 802.11b spec
+    E802Dot11ShortPreambleMask          = 0x0020,
+    E802Dot11PbccMask                   = 0x0040,      
+    E802Dot11ChannelAgilityMask         = 0x0080,
+    E802Dot11ShortSlotTimeMask          = 0x0400
+    };
+
+/**
+* Supported authentication modes
+*/
+const TUint16 K802Dot11AuthModeOpen   = 0;
+const TUint16 K802Dot11AuthModeShared = 1;
+
+/**
+* 802.11 status codes
+*/
+enum T802Dot11ManagementStatusCode
+    {
+    E802Dot11StatusSuccess                          = 0,
+    E802Dot11StatusUnspecifiedFailure               = 1,
+    // 2 -9 reserved    
+    E802Dot11StatusUnsupportedCapabilities          = 10,
+    E802Dot11StatusReAssociationDenied              = 11,
+    E802Dot11StatusAssocDenied                      = 12,
+    E802Dot11StatusAuthAlgorithmNotSupported        = 13,
+    E802Dot11StatusAuthFrameOutOfSequence           = 14,
+    E802Dot11StatusChallengeFailure                 = 15,
+    E802Dot11StatusAuthRejectedTimeout              = 16,
+    E802Dot11StatusAssocDeniedApFull                = 17,
+    E802Dot11StatusAssocDeniedBasicRatesUnSupp      = 18,
+    // following three little critters are from 802.11b spec
+    E802Dot11StatusAssocDeniedShortPreambleUnSupp   = 19,
+    E802Dot11StatusAssocDeniedPbccUnSupp            = 20,
+    E802Dot11StatusAssocDeniedChannelAgilityUnSupp  = 21    
+    // 22 - 65,535 reserved
+    };
+
+/**
+* 802.11 reason codes
+*/
+enum T802Dot11ManagementReasonCode
+    {
+    // 0 reserved
+    E802Dot11ReasonUnspecified                = 1,
+    E802Dot11ReasonAuthNoLongerValid          = 2,
+    E802Dot11ReasonDeauthStationLeft          = 3,
+    E802Dot11ReasonDisAssocInactivity         = 4,
+    E802Dot11ReasonDisAssocAPFull             = 5,
+    E802Dot11ReasonClass2FrameWhenNotAuth     = 6,
+    E802Dot11ReasonClass3FrameWhenNotAssoc    = 7,
+    E802Dot11ReasonDisAssocStationLeft        = 8,
+    E802Dot11ReasonAssocFailNotAuth           = 9,
+    // 10 - 12 reserved    
+    // WPA stuff
+    E802Dot11ReasonInvalidIe                  = 13,
+    E802Dot11ReasonMicFailure                 = 14,
+    E802Dot11ReasonHandshakeTimeout           = 15,
+    E802Dot11ReasonGroupKeyUpdateTimeout      = 16,
+    E802Dot11ReasonIeMismatch                 = 17,
+    E802Dot11ReasonMulticastChipherNotValid   = 18,
+    E802Dot11ReasonUnicastChipherNotValid     = 19,
+    E802Dot11ReasonAkmpNotValid               = 20,
+    E802Dot11ReasonUnsupportedRsneVersion     = 21,
+    E802Dot11ReasonInvalidRsneCapabilities    = 22,
+    E802Dot11Reason1xAuthenticationFailed     = 23,
+    // 24 - 65,535 reserved    
+    };
+
+/**
+* 802.11 management frame fixed field and IE lengths in BYTEs
+*/
+const TUint32 KTimeStampFixedFieldLength                = 8;
+const TUint32 KBeaconIntervalFixedFieldLength           = 2;
+const TUint32 KCapabilityInformationFixedFieldLength    = 2;
+const TUint32 KDsParameterSetIeLength                   = 3;
+const TUint32 KIbssParameterSetIeLength                 = 4;
+
+/**
+* The one and only MAC address struct
+*/
+#pragma pack( 1 )
+struct TMacAddress
+    {
+    /** the MAC address */
+    TUint8 iMacAddress[KMacAddressLength];
+    } __PACKED; // 6 bytes
+
+/**
+* Broadcast MAC Address.
+*/
+const TMacAddress KBroadcastMacAddr = {{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }};
+
+/**
+* MAC address that all zeros
+*/
+const TMacAddress KZeroMacAddr = {{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }};
+
+/**
+* operator== for TMacAddress 
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== ( 
+    const TMacAddress& aLhs, const TMacAddress& aRhs )
+    {
+    return ( equal( (aLhs.iMacAddress),
+                    (aLhs.iMacAddress) + KMacAddressLength, 
+                    aRhs.iMacAddress) );
+    }
+
+/**
+* Sets or clears the group bit of the MAC address 
+* @param aMac the address
+* @param aSet set or clear the bit
+*/
+inline void GroupBit( TMacAddress& aMac, TBool aSet = ETrue )
+    {
+    if ( aSet )
+        {
+        aMac.iMacAddress[0] |= KBit0;
+        }
+    else
+        {
+        aMac.iMacAddress[0] &= ~KBit0;
+        }
+    }
+
+/**
+* Evaluates if the group bit of the MAC address is set
+* @param aMac the address
+* @return ETrue if group bit is set EFalse in other case
+*/
+inline TBool IsGroupBitSet( const TMacAddress& aMac )
+    {
+    return (aMac.iMacAddress[0] & KBit0);
+    }
+
+/**
+* Sets or clears the local bit of the MAC address 
+* @param aMac the address
+* @param aSet set or clear the bit
+*/
+inline void LocalBit( TMacAddress& aMac, TBool aSet = ETrue )
+    {
+    if ( aSet )
+        {
+        aMac.iMacAddress[0] |= KBit1;
+        }
+    else
+        {
+        aMac.iMacAddress[0] &= ~KBit1;
+        }
+    }
+
+/**
+* Evaluates if the local bit of the MAC address is set
+* @param aMac the address
+* @return ETrue if group bit is set EFalse in other case
+*/
+inline TBool IsLocalBitSet( const TMacAddress& aMac )
+    {
+    return (aMac.iMacAddress[0] & KBit1);
+    }
+
+/**
+* 802.11 information element header
+*/
+#pragma pack( 1 )
+struct SInformationElementHeader
+    {
+    /** the element ID */
+    const TUint8    iElementID;
+    /** length of the following IE */
+    TUint8          iLength;      
+
+    /**
+    * Ctor
+    * @param aElementID element ID used
+    */
+    explicit SInformationElementHeader( 
+        T802Dot11InformationElementID aElementID ) 
+        : iElementID( static_cast<TUint8>(aElementID) ), iLength( 0 ) {};
+    /**
+    * Ctor
+    * @param aElementID element ID used
+    * @param aLength length of the information element following this header
+    */
+    SInformationElementHeader( T802Dot11InformationElementID aElementID, 
+        const TUint8 aLength ) 
+        : iElementID( static_cast<TUint8>(aElementID) ), iLength( aLength ) {};
+
+private:
+
+    /** Prohibit assignment operator */
+    SInformationElementHeader& operator= ( const SInformationElementHeader& );
+    /** Prohibit copy constructor */
+    SInformationElementHeader( const SInformationElementHeader& );
+    } __PACKED; // 2 bytes
+
+/**
+* operator== for SInformationElementHeader
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== ( 
+    const SInformationElementHeader& aLhs, 
+    const SInformationElementHeader& aRhs )
+    {
+    return static_cast<TBool>(( aLhs.iElementID == aRhs.iElementID
+        && aLhs.iLength == aRhs.iLength ));
+    }
+
+/**
+* 802.11 SSID information element
+*/
+#pragma pack( 1 )
+struct  SSsIdIE
+    {
+    /** information element header */
+    SInformationElementHeader   iHeader;                    // 2 bytes
+    /** SSID information element */
+    TUint8                      iSsIdIe[KMaxSSIDLength];    // 32 bytes 
+
+    /**
+    * Ctor
+    */
+    inline SSsIdIE() : iHeader( E802Dot11SsidIE ) {};
+
+    /**
+    * Ctor
+    * @param aData pointer to SSID
+    * @param aLength length of aData
+    */
+    inline SSsIdIE( const TUint8* aData, TUint8 aLength );
+
+    /**
+    * Returns information elements length ( the element + its header )
+    * @return see above
+    */
+    TUint8 GetIeLength() const { return static_cast<TUint8>( 
+        (iHeader.iLength + sizeof( SInformationElementHeader ) ) ); }        
+
+private:
+
+    /** Prohibit assignment operator */
+    SSsIdIE& operator= ( const SSsIdIE& );
+    /** Prohibit copy constructor */
+    SSsIdIE( const SSsIdIE& );
+    } __PACKED; // 34 bytes
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline SSsIdIE::SSsIdIE( const TUint8* aData, TUint8 aLength ) 
+    : iHeader( E802Dot11SsidIE )
+    {
+    iHeader.iLength =  aLength;
+    os_memcpy( &(iSsIdIe[0]), aData, aLength );   
+    }       
+
+/**
+* operator== for SSsIdIE
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal EFalse not equal
+*/
+inline TBool operator== (
+    const SSsIdIE& aLhs,
+    const SSsIdIE& aRhs)
+    {
+    return static_cast<TBool>(( ( aLhs.iHeader == aRhs.iHeader )
+        && !(os_memcmp( aLhs.iSsIdIe, aRhs.iSsIdIe, aLhs.iHeader.iLength )) ));
+    }
+
+/**
+* 802.11 supported rates information element
+*/
+#pragma pack( 1 )
+struct SSupportedRatesIE
+    {
+    /** information element header */
+    SInformationElementHeader iHeader;                      // 2
+    /** 
+    * supported rates information element
+    * NOTE! The 802.11 standard specifies that the max length of the 
+    * information part of this IE is eight rates (eight bytes).
+    * However at least some APs seem to put all their supported rates
+    * into this element. In order to be able to associate with those
+    * APs we allocate enough space to incorporate all 802.11b/g rates
+    * in this IE. We ourselves will still always advertise max eight 
+    * rates using this IE (and the rest using the Extended Supported
+    * Rates IE).
+    */
+    TUint8 iSupportedRatesIE[KMaxNumberOfDot11bAndgRates];  // 14
+
+    /**
+    * Ctor
+    */
+    SSupportedRatesIE() 
+        : iHeader( E802Dot11SupportedRatesIE, KMaxNumberOfRates ) {};
+
+    /**
+    * operator[] to get supported rates element at given index
+    * @param aIdx index to be get
+    * @return value in given index
+    */
+    inline TUint8 operator[] ( TUint8 aIdx ) const;
+
+    /**
+    * sets IE data also sets the IE headers length field
+    * @param aIeData actual IE data
+    * @param aLength length of aIeData
+    */
+    inline void SetIeData( const TUint8* aIeData, const TUint8 aLength);
+
+    /**
+    * Returns information element's actual length 
+    * ( element's size + its header )
+    * @return see above
+    */
+    inline TUint8 GetIeLength() const; 
+
+    /**
+    * Returns only the information element's actual length ( header excluded )
+    * @return see above
+    */
+    inline TUint8 GetElementLength() const; 
+
+    /** Marks IE zero length size */
+    inline void Clear();
+
+    /**
+    * Appends a single rate element to IE
+    * @param aRate rate element to be appended
+    */
+    inline void Append( TUint8 aRate );
+
+private:
+
+    /** Prohibit assignment operator */
+    SSupportedRatesIE& operator= ( const SSupportedRatesIE& );
+    /** Prohibit copy constructor */
+    SSupportedRatesIE( const SSupportedRatesIE& );
+    } __PACKED; // 16 bytes
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SSupportedRatesIE::SetIeData( 
+    const TUint8* aIeData, 
+    const TUint8 aLength)
+    {
+    iHeader.iLength = aLength;
+    os_memcpy( iSupportedRatesIE, aIeData, aLength );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SSupportedRatesIE::operator[] ( TUint8 aIdx ) const
+    {
+    return iSupportedRatesIE[aIdx];
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SSupportedRatesIE::GetIeLength() const 
+    { 
+    return static_cast<TUint8>( 
+        ( iHeader.iLength + sizeof( SInformationElementHeader ) ) ); 
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SSupportedRatesIE::GetElementLength() const
+    {
+    return iHeader.iLength;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SSupportedRatesIE::Clear()
+    {
+    iHeader.iLength = 0;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SSupportedRatesIE::Append( TUint8 aRate )
+    {
+    iSupportedRatesIE[iHeader.iLength] = aRate;
+    ++(iHeader.iLength);
+    }
+
+/**
+* operator== for SSupportedRatesIE
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SSupportedRatesIE& aLhs,
+    const SSupportedRatesIE& aRhs )
+    {
+    return static_cast<TBool>(( ( aLhs.iHeader == aRhs.iHeader )
+        && !(os_memcmp( aLhs.iSupportedRatesIE, 
+        aRhs.iSupportedRatesIE, aLhs.iHeader.iLength )) ));
+    }
+
+/**
+* 802.11 extended supported rates information element
+*/
+#pragma pack( 1 )
+struct SExtendedSupportedRatesIE
+    {
+	enum { KPad = 1 };
+    /** information element header */
+    SInformationElementHeader   iHeader;                                        // 2
+    /** supported rates information element */
+    TUint8                      iSupportedRatesIE[KMaxNumberOfExtendedRates];   // 255
+	/** padding */
+	TUint8						iPad[KPad];				                        // 1
+
+    /**
+    * Ctor
+    */
+    SExtendedSupportedRatesIE() 
+        : iHeader( E802Dot11ExtendedRatesIE, KMaxNumberOfExtendedRates ) {};
+
+    /**
+    * operator[] to get supported rates element at given index
+    * @param aIdx index to be get
+    * @return value in given index
+    */
+    inline TUint8 operator[] ( TUint8 aIdx ) const;
+
+    /**
+    * sets IE data also sets the IE headers length field
+    * @param aIeData actual IE data
+    * @param aLength length of aIeData
+    */
+    inline void SetIeData( const TUint8* aIeData, const TUint8 aLength);
+
+    /**
+    * Returns information element's actual length 
+    * ( element's size + its header )
+    * @return see above
+    */
+    inline TUint8 GetIeLength() const; 
+
+    /**
+    * Returns only the information element's actual length ( header excluded )
+    * @return see above
+    */
+    inline TUint8 GetElementLength() const; 
+
+    /** Marks IE zero length size */
+    inline void Clear();
+
+    /**
+    * Appends a single rate element to IE
+    * @param aRate rate element to be appended
+    */
+    inline void Append( TUint8 aRate );
+
+private:
+
+    /** Prohibit assignment operator */
+    SExtendedSupportedRatesIE& operator= ( const SExtendedSupportedRatesIE& );
+    /** Prohibit copy constructor */
+    SExtendedSupportedRatesIE( const SExtendedSupportedRatesIE& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SExtendedSupportedRatesIE::SetIeData( 
+    const TUint8* aIeData, 
+    const TUint8 aLength)
+    {
+    iHeader.iLength = aLength;
+    os_memcpy( iSupportedRatesIE, aIeData, aLength );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SExtendedSupportedRatesIE::operator[] ( TUint8 aIdx ) const
+    {
+    return iSupportedRatesIE[aIdx];
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SExtendedSupportedRatesIE::GetIeLength() const 
+    { 
+    return static_cast<TUint8>( 
+        ( iHeader.iLength + sizeof( SInformationElementHeader ) ) ); 
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SExtendedSupportedRatesIE::GetElementLength() const
+    {
+    return iHeader.iLength;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SExtendedSupportedRatesIE::Clear()
+    {
+    iHeader.iLength = 0;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SExtendedSupportedRatesIE::Append( TUint8 aRate )
+    {
+    iSupportedRatesIE[iHeader.iLength] = aRate;
+    ++(iHeader.iLength);
+    }
+
+/**
+* operator== for SExtendedSupportedRatesIE
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SExtendedSupportedRatesIE& aLhs,
+    const SExtendedSupportedRatesIE& aRhs )
+    {
+    return static_cast<TBool>(( ( aLhs.iHeader == aRhs.iHeader )
+        && !(os_memcmp( aLhs.iSupportedRatesIE, 
+        aRhs.iSupportedRatesIE, aLhs.iHeader.iLength )) ));
+    }
+
+#pragma pack( 1 )
+struct SDsParameterSetIE
+    {
+    SInformationElementHeader   iHeader;                // 2
+    TUint8                      iValue;                 // 1                         
+
+    inline SDsParameterSetIE( const TUint32 aValue );
+
+private:
+
+    /** Prohibit assignment operator */
+    SDsParameterSetIE& operator= ( const SDsParameterSetIE& aObj );
+    /** Prohibit copy constructor */
+    SDsParameterSetIE( const SDsParameterSetIE& );
+    } __PACKED;     // 3 bytes 
+
+inline SDsParameterSetIE::SDsParameterSetIE( 
+    const TUint32 aValue )         
+    : iHeader( E802Dot11DsParameterSetIE, sizeof(iValue) )
+    {
+    iValue = aValue;
+    }
+
+#pragma pack( 1 )
+struct SIbssParameterSetIE
+    {
+    SInformationElementHeader   iHeader;                // 2
+    TUint16                     iValue;                 // 2                         
+
+    inline SIbssParameterSetIE( const TUint16 aValue );
+    
+    inline TUint16 AtimWindow() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SIbssParameterSetIE& operator= ( const SIbssParameterSetIE& aObj );
+    /** Prohibit copy constructor */
+    SIbssParameterSetIE( const SIbssParameterSetIE& );
+    } __PACKED;     // 4 bytes 
+
+inline SIbssParameterSetIE::SIbssParameterSetIE( 
+    const TUint16 aValue )         
+    : iHeader( E802Dot11IbssParameterSetIE, sizeof(iValue) )
+    {
+    WriteHtoUint16( &iValue, aValue );
+    }
+
+inline TUint16 SIbssParameterSetIE::AtimWindow() const
+    {
+    return ( ReadUint16Toh( &iValue ) );
+    }
+
+/**
+* 802.11 WiFi WPA outbound information element
+*/
+#pragma pack( 1 )
+struct STxRsnIE
+    {
+    /** information element header */
+    SInformationElementHeader   iHeader;                       // 2
+    /** RSN information element */
+    TUint8                      iTxRsnIe[KMaxTxRsnIELength];   // 38
+
+    /** Ctor */
+    STxRsnIE() 
+        : iHeader( E802Dot11VendorSpecificIE , KMaxTxRsnIELength ) {};
+
+    /**
+    * Returns information element's actual length 
+    * ( element's size + its header )
+    * @return see above
+    */
+    inline TUint8 GetIeLength() const; 
+
+    /**
+    * Sets iTxRsnIe field and IE length field
+    * @param aData data to be set
+    * @param aLength length of the data
+    */
+    inline void SetRsn( const TUint8* aData, TUint32 aLength );
+
+private:
+
+    /** Prohibit assignment operator */
+    STxRsnIE& operator= ( const STxRsnIE& aObj );
+    /** Prohibit copy constructor */
+    STxRsnIE( const STxRsnIE& );
+    } __PACKED; // 40 bytes
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 STxRsnIE::GetIeLength() const
+    {
+    return static_cast<TUint8>( 
+        ( iHeader.iLength + sizeof( SInformationElementHeader ) ) ); 
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void STxRsnIE::SetRsn( const TUint8* aData, TUint32 aLength )
+    {
+    iHeader.iLength = static_cast<TUint8>(aLength);
+    os_memcpy( iTxRsnIe, aData, aLength );
+    }
+
+/**
+* Inbound WMM information element without IE header
+*/
+#pragma pack( 1 )
+struct SRxWmmIeData
+    {
+    TIeOui                      iOui;           // 3
+    TUint8                      iOuiType;       // 1
+    TUint8                      iOuiSubType;    // 1
+    TUint8                      iVersion;       // 1
+    /** information element */
+    TUint8                      iQosInfo;       // 1
+
+    /**
+    * Evaluates if U-APSD bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsUapsdBitSet() const;
+
+    /**
+    * Gets the the parameter set count
+    * @return parameter set count
+    */
+    inline TUint8 ParameterSetCount() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SRxWmmIeData& operator= ( const SRxWmmIeData& aObj );
+    /** Prohibit copy constructor */
+    SRxWmmIeData( const SRxWmmIeData& );
+    } __PACKED;     // 7 bytes 
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SRxWmmIeData::IsUapsdBitSet() const
+    {
+    return ( (iQosInfo & KUapsdQosInfoMask )? ETrue : EFalse );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SRxWmmIeData::ParameterSetCount() const
+    {
+    return ( iQosInfo & KParamSetCountQosInfoMask );
+    }
+
+
+/**
+* Outbound WMM information element
+*/
+#pragma pack( 1 )
+struct STxWmmIE
+    {
+    /** information element header */
+    SInformationElementHeader   iHeader;        // 2
+    TIeOui                      iOui;           // 3
+    TUint8                      iOuiType;       // 1
+    TUint8                      iOuiSubType;    // 1
+    TUint8                      iVersion;       // 1
+    /** information element */
+    TUint8                      iQosInfo;       // 1
+
+
+    /**
+    * Ctor
+    */
+    inline STxWmmIE() : iHeader( E802Dot11VendorSpecificIE, KWmmInfoElemLen ),
+        iOuiType( KWmmElemOuiType ), 
+        iOuiSubType( KWmmInfoElemOuiSubType ), iVersion( KWmmInfoElemVersion ),
+        iQosInfo( 0 ) 
+        { 
+        os_memcpy( iOui, KWmmElemOui, KIeOuiLength );
+        }
+
+    /**
+    * Sets the U-APSD flags for different ACs
+    * @param aFlags flag(s) to be set
+    */
+    inline void SetUapsdFlags( TQosInfoUapsdFlag aFlags );
+
+    /**
+    * Sets the maximum service period length
+    * @param aMaxSpLen length of the service period 
+    */
+    inline void SetMaxSpLen( TQosInfoUapsdMaxSpLen aMaxSpLen );
+    
+    /**
+    * Returns information elements total length, i.e.
+    * element's length + header length
+    * @return see above
+    */
+    inline TUint8 GetIeLength() const; 
+
+    /** Clears the IE content, i.e. the iQosInfo field */
+    inline void Clear();    
+
+private:
+
+    /** Prohibit assignment operator */
+    STxWmmIE& operator= ( const STxWmmIE& aObj );
+    /** Prohibit copy constructor */
+    STxWmmIE( const STxWmmIE& );
+    } __PACKED;     // 9 bytes 
+
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void STxWmmIE::SetUapsdFlags( TQosInfoUapsdFlag aFlags )
+    {
+    iQosInfo |= aFlags;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void STxWmmIE::SetMaxSpLen( TQosInfoUapsdMaxSpLen aMaxSpLen )
+    {
+    iQosInfo |= aMaxSpLen;    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 STxWmmIE::GetIeLength() const
+    {
+    return static_cast<TUint8>( 
+        ( iHeader.iLength + sizeof( SInformationElementHeader ) ) ); 
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void STxWmmIE::Clear()
+    {
+    iQosInfo = 0;    
+    }
+
+/**
+* AC parameters record of WMM parameter element
+*/
+#pragma pack( 1 )
+struct SAcParamsRecord
+    {
+    
+    TUint8                      iAciAifsn;      // 1
+    TUint8                      iEcwMinMax;     // 1
+    TUint16                     iTxOpLimit;     // 2
+    
+    inline TWmmAccessCategory AccessCategory() const;
+
+    inline TBool AdmissionControlMandatory() const;
+    
+    inline TUint8 Aifsn() const;
+
+    inline TUint16 CwMin() const;
+    
+    inline TUint16 CwMax() const;
+
+    inline TUint16 TxOpLimit() const;        
+    
+private:
+
+    /** Prohibit assignment operator */
+    SAcParamsRecord& operator= ( const SAcParamsRecord& aObj );
+    /** Prohibit copy constructor */
+    SAcParamsRecord( const SAcParamsRecord& );
+    } __PACKED;     // 4 bytes 
+
+inline TWmmAccessCategory SAcParamsRecord::AccessCategory() const
+    {
+    return ( static_cast<TWmmAccessCategory>(iAciAifsn & K802Dot11AccessCategoryMask) );
+    }
+
+inline TBool SAcParamsRecord::AdmissionControlMandatory() const
+    {
+    return ( iAciAifsn & KWmmAdmissionCtrlMandatoryMask );
+    }
+
+inline TUint8 SAcParamsRecord::Aifsn() const
+    {
+    return ( iAciAifsn & KWmmAifsnMask );
+    }
+
+inline TUint16 SAcParamsRecord::CwMin() const
+    {
+    return ( ( static_cast<TUint16>( 1 ) << 
+             ( iEcwMinMax & KWmmEcwMinMask ) ) - 1 );
+    }
+
+inline TUint16 SAcParamsRecord::CwMax() const
+    {
+    return ( ( static_cast<TUint16>( 1 ) << 
+             ( ( iEcwMinMax & KWmmEcwMaxMask ) >> 4 ) ) - 1 );
+    }
+
+inline TUint16 SAcParamsRecord::TxOpLimit() const
+    {
+    return ( ReadUint16Toh( &iTxOpLimit ) );
+    }
+
+/**
+* WMM Parameter Element without element header
+*/
+#pragma pack( 1 )
+struct SWmmParamElemData
+    {
+    /** information element header */
+    TIeOui                      iOui;                    // 3
+    TUint8                      iOuiType;                // 1
+    TUint8                      iOuiSubType;             // 1
+    TUint8                      iVersion;                // 1
+    /** information element fields: */
+    TUint8                      iQosInfo;                // 1
+    TUint8                      iReserved;               // 1
+    SAcParamsRecord             iAcParams[KNumOfWmmACs]; // 16
+
+    /**
+    * Evaluates if U-APSD bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsUapsdBitSet() const;
+
+    /**
+    * Gets the the parameter set count
+    * @return parameter set count
+    */
+    inline TUint8 ParameterSetCount() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SWmmParamElemData& operator= ( const SWmmParamElemData& aObj );
+    /** Prohibit copy constructor */
+    SWmmParamElemData( const SWmmParamElemData& );
+    } __PACKED;     // 24
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SWmmParamElemData::IsUapsdBitSet() const
+    {
+    return ( (iQosInfo & KUapsdQosInfoMask )? ETrue : EFalse );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SWmmParamElemData::ParameterSetCount() const
+    {
+    return ( iQosInfo & KParamSetCountQosInfoMask );
+    }
+
+// capability information fixed-field 
+//
+// bit 14 - 15     13     11 - 12    10        8-9       7         6                         
+//   ----------+-------+-----------+-------+---------+----------+-------
+//    reserved | DSSS- | reserved  | short | reserved|  Channel |   PBCC   
+//             | OFDM  |           | slot  |         |  Agility |          
+//   ----------+-------+-----------+-------+---------+----------+--------
+// bit        5           4         3          2          1          0  
+//        ----------+----------+----------+----------+----------+----------+
+//           Short  |  Privacy |  CF-Poll |   CF     |   IBSS   |    ESS   |
+//          Preamble|   (WEP)  |  Request | Pollable |          |          |        
+//        ----------+----------+----------+----------+----------+----------+
+
+/**
+* 802.11 management frame body capability information fixed-field
+*/
+#pragma pack( 1 )
+struct SCapabilityInformationField
+    {
+    enum { KReservedFieldsMask = 0xEB00 };
+
+    /** capability information fixed field */
+    TUint16 iCapabilityInformationField;
+
+    /**
+    * Ctor
+    */
+    SCapabilityInformationField() 
+        : iCapabilityInformationField( 0 ) {};
+
+    /**
+    * Ctor
+    * @param aParam value used in iCapabilityInformationField field
+    */
+    explicit inline SCapabilityInformationField( const TUint16 aParam ); 
+
+    /**
+    * Assignment operator for TUint16 type
+    * @param aParam value used as iCapabilityInformationField
+    */
+    inline SCapabilityInformationField& operator= ( const TUint16 aParam );
+        
+    /**
+    * Returns the value of the Capability Information Field
+    * @return 
+    */
+    inline TUint16 CapabilityInformationField() const;
+    /**
+    * Evaluates if ESS bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsEssBitSet() const;
+    /**
+    * Evaluates if IBSS bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsIbssBitSet() const;
+    /**
+    * Evaluates if Privaecy bit bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsPrivacyBitSet() const;
+    /**
+    * Evaluates if Short Preamble bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsShortPreambleBitSet() const;
+    /**
+    * Evaluates if PBCC bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsPbccBitSet() const;
+    /**
+    * Evaluates if Channel Agility bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsChannelAgilityBitSet() const;
+    /**
+    * Evaluates if short slot time bit is up
+    * @return ETrue if bit is up, otherwise EFalse
+    */
+    inline TBool IsShortSlotTimeBitSet() const;
+    /**
+    * Clears both CF bits
+    */
+    inline void ClearCfFields();    
+    /**
+    * Clear CF pollable field
+    */
+    inline void ClearCfPollable();    
+    /**
+    * Clears both CF poll request field
+    */
+    inline void ClearCfPollRequest();    
+    /**
+    * Sets the short preamble bit
+    */
+    inline void SetShortPreamble();
+    /**
+    * Clears the short preamble bit
+    */
+    inline void ClearShortPreamble();
+    /**
+    * sets the pbcc bit
+    */
+    inline void SetPbcc();
+    /**
+    * sets the IBSS bit
+    */
+    inline void SetIbss();
+    /**
+    * Clear PBCC bit
+    */
+    inline void ClearPbcc();
+    /** Clear reserved fields */
+    inline void ClearReservedFields();
+    /** Set WEP bit */
+    inline void SetWepBit();
+    /** Clear WEP bit */
+    inline void ClearWepBit();
+
+private:
+
+    /** Prohibit copy constructor */
+    SCapabilityInformationField( const SCapabilityInformationField& );
+    } __PACKED; // 2 bytes
+
+
+inline SCapabilityInformationField::SCapabilityInformationField( const TUint16 aParam )
+    {
+    WriteHtoUint16( &iCapabilityInformationField, aParam );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline SCapabilityInformationField& SCapabilityInformationField::operator= (
+    const TUint16 aParam )
+    {
+    WriteHtoUint16( &iCapabilityInformationField, aParam );
+    return (*this);
+    }
+
+// ---------------------------------------------------------
+// 
+// ---------------------------------------------------------
+//
+inline TUint16 SCapabilityInformationField::CapabilityInformationField() const
+    {
+    return ( ReadUint16Toh( &iCapabilityInformationField ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsEssBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11CapabilityEssMask )
+        ? ETrue : EFalse );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsIbssBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11CapabilityIbssMask )
+        ? ETrue : EFalse );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsPrivacyBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11CapabilityPrivacyMask )
+        ? ETrue : EFalse );    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsShortPreambleBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11ShortPreambleMask )
+        ? ETrue : EFalse );    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsPbccBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11PbccMask )
+        ? ETrue : EFalse );    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsChannelAgilityBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11ChannelAgilityMask )
+        ? ETrue : EFalse );    
+    }
+
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SCapabilityInformationField::IsShortSlotTimeBitSet() const
+    {
+    return ( ( ReadUint16Toh( &iCapabilityInformationField ) & 
+        E802Dot11ShortSlotTimeMask )
+        ? ETrue : EFalse );    
+    }
+
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearCfFields()
+    {
+    ClearCfPollable();
+    ClearCfPollRequest();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearCfPollable()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~E802Dot11CapabilityCfPollableMask ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearCfPollRequest()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~E802Dot11CapabilityCfPollRequestMask ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::SetShortPreamble()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) | 
+        E802Dot11ShortPreambleMask );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::SetPbcc()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) | 
+        E802Dot11PbccMask );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::SetIbss()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) | 
+        E802Dot11CapabilityIbssMask );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearShortPreamble()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~E802Dot11ShortPreambleMask ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearPbcc()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~E802Dot11PbccMask ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearReservedFields()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~KReservedFieldsMask ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::SetWepBit()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) | 
+        E802Dot11CapabilityPrivacyMask );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SCapabilityInformationField::ClearWepBit()
+    {
+    WriteHtoUint16( &iCapabilityInformationField, 
+        ReadUint16Toh( &iCapabilityInformationField ) & 
+        ( ~E802Dot11CapabilityPrivacyMask ) );
+    }
+
+/**
+* operator== for SCapabilityInformationField
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== ( 
+    const SCapabilityInformationField& aLhs,
+    const SCapabilityInformationField& aRhs)
+    {
+    return static_cast<TBool>( aLhs.CapabilityInformationField() 
+        == aRhs.CapabilityInformationField() );
+    }
+
+/**
+* 802.11 management frame body listen interval fixed-field
+*/
+#pragma pack( 1 )
+struct SListenIntervalField
+    {
+    /** listen interval fixed field */
+    TUint16 iListenInterval;
+    
+    /**
+    * Ctor
+    */
+    SListenIntervalField() : iListenInterval( 0 ) {};
+
+    /**
+    * Ctor
+    * @param aParam value used in iListenInterval
+    */
+    explicit inline SListenIntervalField( const TUint16 aParam );
+
+    /**
+    * Returns the value of the Listen Interval
+    * @return Listen Interval
+    */
+    inline TUint16 ListenInterval() const;
+
+    /**
+    * assignment operator for TUint16 type
+    * @param aInterval listen interval fixed field
+    */
+    inline SListenIntervalField& operator= ( const TUint16 aInterval );           
+    
+private:
+
+    /** Prohibit assignment operator */
+    SListenIntervalField& operator= ( const SListenIntervalField& );
+    /** Prohibit copy constructor */
+    SListenIntervalField( const SListenIntervalField& );
+    } __PACKED; // 2 bytes
+
+inline SListenIntervalField::SListenIntervalField( const TUint16 aParam )
+    {
+    WriteHtoUint16( &iListenInterval, aParam );
+    }
+
+inline TUint16 SListenIntervalField::ListenInterval() const
+    {
+    return ( ReadUint16Toh( &iListenInterval ) );
+    }
+
+inline SListenIntervalField& SListenIntervalField::operator= (
+    const TUint16 aInterval )
+    {
+    WriteHtoUint16( &iListenInterval, aInterval );
+    return (*this);
+    }
+
+/**
+* operator== for SListenIntervalField
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SListenIntervalField& aLhs,
+    const SListenIntervalField& aRhs)
+    {
+    return static_cast<TBool>( aLhs.ListenInterval() == aRhs.ListenInterval() );
+    }
+
+
+/*
+        802.11 DATA Frame
+       +----------------+
+       |                |
+       |  Frame Control |
+       |    2 bytes     | 
+       +----------------+
+       |                |
+       |  Duration ID   |
+       |    2 bytes     |        
+       +----------------+
+       |                |
+       |   Address 1    |
+       |    6 bytes     |
+       +----------------+
+       |                |
+       |   Address 2    |
+       |    6 bytes     |
+       +----------------+
+       |                |
+       |   Address 3    |
+       |    6 bytes     |
+       +----------------+
+       |                |
+       | Sequence Cntrl |
+       |    2 bytes     |
+       +----------------+
+       |                |
+       |   Address 4    |
+       |    6 bytes     |
+       +----------------+
+       |  DSAP - 1 byte | = 0xAA ( SNAP )
+       +----------------+
+       |  SSAP - 1 byte | = 0xAA ( SNAP )
+       +----------------+
+       |Control - 1 byte| = 0x03 
+       +----------------+ 
+       | OUI - 3 bytes  | = 0x0
+       |                | 
+       +----------------+
+       | Type - 2 bytes |  = Ethernet type (IP=0x0800)
+       +----------------+ 
+       |                | 
+       |      Data      |
+       |                |
+       ~                ~
+       ~                ~
+       |   46 to 1500   |
+       |     bytes      |
+       |                |
+       +----------------+
+       |      FCS       |
+       |    4 bytes     |
+       +----------------+
+
+*/
+
+// FrameControl field of the 802.11 header
+//
+// |--------------------- control -----------------------|
+//
+// bit 15    14     13     12     11     10      9     8  
+// +-------+-----+------+-----+-------+------+------+----+
+// | Order | WEP | More | Pwr | Retry | More | From | To |
+// |       |     | Data | Mgmt|       | Frag | DS   | DS |
+// +-------+-----+------+-----+-------+------+------+----+
+//    1      1      1     1      1       1      1     1   
+//--------- type ------------|
+//
+//   7-4     3-2      1-0
+//---------+------+----------+
+// Subtype | Type | Protocol |
+//         |      | Version  |
+//---------+------+----------+
+//    4       2        2
+
+/**
+* 802.11 Frame Control field 
+*/
+#pragma pack( 1 )
+struct SFrameControl
+    {
+    /** type field */
+    TUint8 iType;
+    /** control filed */
+    TUint8 iControl;
+
+    /**
+    * Ctor
+    * @param aType type field
+    * @param aControl control field
+    */
+    SFrameControl( 
+        T802Dot11FrameControlTypeMask aType, 
+        T802Dot11FrameControlBitMask aControl ) 
+        : iType( static_cast<TUint8>(aType) ), 
+        iControl( static_cast<TUint8>(aControl) ) {};
+
+    /**
+    * Returns type and control fields combined as a single TUint16 value
+    * @return see above
+    */
+    inline TUint16 operator()() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SFrameControl& operator= ( const SFrameControl& aObj );    
+    /** Prohibit copy constructor */
+    SFrameControl( const SFrameControl& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SFrameControl::operator()() const
+    {
+    TUint16 value( iType );
+    return ( static_cast<TUint16>(( value << 8 ) + iControl ));
+    }
+
+/**
+* operator== for SFrameControl
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SFrameControl& aLhs,
+    const SFrameControl& aRhs)
+    {
+    return static_cast<TBool>( aLhs.iType == aRhs.iType
+        && aLhs.iControl == aRhs.iControl );
+    }
+
+
+// SequenceControl field of the 802.11 header
+//
+// bit      15 - 4         3 - 0
+// +-------------------+-----------+
+// |  Sequence Number  | Fragment  |
+// |                   |  Number   |
+// +-------------------+-----------+
+//          12              4
+
+#pragma pack( 1 )
+struct SPsPoll
+    {
+    const SFrameControl   iFrameControl;  // 2 bytes
+    TUint16               iAid;           // 2 bytes
+    const TMacAddress     iBssId;         // 6 bytes
+    const TMacAddress     iTa;            // 6 bytes
+
+    inline SPsPoll( 
+        TUint16 aAid, 
+        const TMacAddress& aBssId, 
+        const TMacAddress& aTa );
+    } __PACKED; // 16 bytes
+
+
+inline SPsPoll::SPsPoll( 
+    TUint16 aAid, 
+    const TMacAddress& aBssId, 
+    const TMacAddress& aTa )
+    : iFrameControl( E802Dot11FrameTypePowerSavePoll, 
+    static_cast<T802Dot11FrameControlBitMask>(0) ),
+    iAid( 0 ),
+    iBssId( aBssId ), iTa( aTa )
+    {
+    // AID always has the 2 most significant bits set to 1
+    WriteHtoUint16( &iAid, ( aAid | 0xC000  ) );
+    }
+
+/**
+* 802.11 data frame MAC header
+*/
+#pragma pack( 1 )
+struct SDataFrameHeader
+    {
+    /** frame control field */
+    SFrameControl   iFrameControl;  // 2 bytes
+    /** duration field */
+    const TUint16   iDuration;      // 2 bytes
+    /** address1 field */
+    TMacAddress     iAddress1;      // 6 bytes    
+    /** address2 field */
+    TMacAddress     iAddress2;      // 6 bytes
+    /** address3 field */
+    TMacAddress     iAddress3;      // 6 bytes
+    /** sequence control field */
+    const TUint16   iSeqCtl;        // 2 bytes
+    // this littly piggy is only used in AP-AP mode 
+    // which we don't do so it is omitted
+    // const TMacAddress iAddress4;      // 6 bytes   
+    
+    /**
+    * Ctor
+    */ 
+    SDataFrameHeader() 
+        : iFrameControl( E802Dot11FrameTypeData, 
+        static_cast<T802Dot11FrameControlBitMask>(0) )
+        ,iDuration( 0 ), iSeqCtl( 0 ) {};
+
+    /**
+    * Sets WEP bit from Frame Control field
+    */
+    inline void SetWepBit();
+    /**
+    * Clears WEP bit from Frame Control field
+    */
+    inline void ClearWepBit();
+    /**
+    * Sets ToDS bit from Frame Control field
+    */
+    inline void SetToDsBit();
+    /**
+    * Clears ToDS bit from Frame Control field
+    */
+    inline void ClearToDsBit();
+    /**
+    * Clears FromDS bit from Frame Control field
+    */
+    inline void ClearFromDsBit();
+    /**
+    * Evaluates is FromDS bit set from Frame Control field
+    */
+    inline TBool IsFromDsBitSet() const;
+    inline TBool IsToDsBitSet() const;
+    /**
+    * Evaluates is WEP bit set from Frame Control field
+    */
+    inline TBool IsWepBitSet() const;
+    /**
+    * Gets Frame Control field
+    * @return reference to the frame control field
+    */
+    inline const SFrameControl& GetFrameControl() const;
+
+    /**
+    * Returns Sequence Number from iSeqCtl field
+    * @return Sequence Number
+    */
+    inline TUint16 SequenceNumber() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SDataFrameHeader& operator= ( const SDataFrameHeader& aObj );    
+    /** Prohibit copy constructor */
+    SDataFrameHeader( const SDataFrameHeader& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDataFrameHeader::SetWepBit()
+    {
+    iFrameControl.iControl |= ( E802Dot11FrameControlWepMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDataFrameHeader::ClearWepBit()
+    {
+    iFrameControl.iControl &= ~( E802Dot11FrameControlWepMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDataFrameHeader::SetToDsBit()
+    {
+    iFrameControl.iControl |= ( E802Dot11FrameControlToDsMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDataFrameHeader::ClearToDsBit()
+    {
+    iFrameControl.iControl &= ~( E802Dot11FrameControlToDsMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDataFrameHeader::ClearFromDsBit()
+    {
+    iFrameControl.iControl &= ~( E802Dot11FrameControlFromDsMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SDataFrameHeader::IsFromDsBitSet() const
+    {
+    return static_cast<TBool>( iFrameControl.iControl & ( 
+        E802Dot11FrameControlFromDsMask >> 8 ));
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SDataFrameHeader::IsToDsBitSet() const
+    {
+    return static_cast<TBool>( iFrameControl.iControl & ( 
+        E802Dot11FrameControlToDsMask >> 8 ));
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TBool SDataFrameHeader::IsWepBitSet() const
+    {
+    return static_cast<TBool>( iFrameControl.iControl & ( 
+        E802Dot11FrameControlWepMask >> 8 ));
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline const SFrameControl& SDataFrameHeader::GetFrameControl() const
+    {
+    return iFrameControl;
+    }
+
+// ---------------------------------------------------------
+//
+// ---------------------------------------------------------
+//
+inline TUint16 SDataFrameHeader::SequenceNumber() const
+    {
+    return ( ReadUint16Toh( &iSeqCtl ) >> 4 );    
+    }
+
+
+typedef SDataFrameHeader SNullDataFrame;
+typedef SDataFrameHeader Sdot11MacHeader;
+
+typedef TUint16 T802Dot11QosControl;
+
+/**
+* According to the WiFi-WMM Test Specification v1.2 bits 3-5 of
+* the DSCP bits 0-5 of the DS field determine the user priority
+* This is a mask for those bits for IPv4 header
+*/
+const T802Dot11QosControl KWmmUserPriorityMask = 0x0007;
+
+/**
+* 802.11 QoS data frame MAC header
+*/
+#pragma pack( 1 )
+struct SQosDataFrameHeader
+    {
+    /** frame control field */
+    SDataFrameHeader iHdr;              // 24 bytes
+    /** QoS control field */
+    T802Dot11QosControl iQosControl;    // 2 bytes
+    
+    /**
+    * Resets the QoS Control field to zero
+    */
+    inline void ResetQosControl();
+
+    /**
+    * Sets the WMM user priority (3 lowest bits) of the QoS Control field
+    */
+    inline void SetUserPriority( TUint8 aPriority );
+
+    /**
+    * Returns the WMM user priority (3 lowest bits) of the QoS Control field
+    */
+    inline TUint8 UserPriority() const;
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SQosDataFrameHeader::ResetQosControl()
+    {
+    iQosControl = 0;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SQosDataFrameHeader::SetUserPriority( TUint8 aPriority )
+    {
+    // clear old priority
+    WriteHtoUint16( &iQosControl, 
+        ReadUint16Toh( &iQosControl ) & 
+        ( ~KWmmUserPriorityMask ) );
+    // set new priority
+    WriteHtoUint16( &iQosControl, 
+        ReadUint16Toh( &iQosControl ) | 
+        aPriority );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SQosDataFrameHeader::UserPriority() const
+    {
+    return ( ReadUint16Toh( &iQosControl ) & KWmmUserPriorityMask );
+    }
+
+typedef SQosDataFrameHeader SQosNullDataFrame;
+
+/**
+* 802.11 management frame MAC header
+*/
+#pragma pack( 1 )
+struct SManagementFrameHeader
+    {
+    /** frame control field */
+    SFrameControl   iFrameControl;  // 2 bytes 
+    /** duration field */
+    const TUint16   iDuration;      // 2 bytes
+    /** DA address field */
+    TMacAddress     iDA;            // 6 bytes frames destination = AP   
+    /** SA address field */
+    TMacAddress     iSA;            // 6 bytes source address
+    /** BSSID address field */
+    TMacAddress     iBSSID;         // 6 bytes BSS identifier = iDA
+    /** sequence control field */
+    const TUint16   iSeqCtl;        // 2 bytes
+        
+    /**
+    * Ctor 
+    * @param aTypeMask frame control type mask
+    * @param aControlMask frame control control mask
+    */
+    SManagementFrameHeader( 
+        T802Dot11FrameControlTypeMask aTypeMask, 
+        T802Dot11FrameControlBitMask aControlMask 
+        = static_cast<T802Dot11FrameControlBitMask>( 0 ) ) 
+        : iFrameControl( aTypeMask, aControlMask ), 
+        iDuration( 0 ), iSeqCtl( 0 ) {};
+
+    /**
+    * Set WEP bit from Frame Control Field
+    */
+    void SetWepBit();
+    /**
+    * Clear WEP bit from Frame Control Field
+    */
+    void ClearWepBit();
+
+private:
+
+    /** Prohibit assignment operator */
+    SManagementFrameHeader& operator= ( SManagementFrameHeader& aObj );
+    /** Prohibit copy constructor */
+    SManagementFrameHeader( const SManagementFrameHeader& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SManagementFrameHeader::SetWepBit()
+    {
+    iFrameControl.iControl |= ( E802Dot11FrameControlWepMask >> 8 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SManagementFrameHeader::ClearWepBit()
+    {
+    iFrameControl.iControl &= ~( E802Dot11FrameControlWepMask >> 8 );
+    }
+
+/**
+* 802.11 fixed length components required in 
+* authentication request management frame
+*/
+#pragma pack( 1 )
+struct SAuthenticationFixedFields
+    {
+    /** algorithm number */
+    TUint16   iAlgorithmNumber;     // 2 bytes
+    /** sequence number */
+    TUint16   iSequenceNmbr;        // 2 bytes
+    /** status code */
+    TUint16   iStatusCode;          // 2 bytes
+    
+    /**
+    * Ctor
+    * @param aAlgorithm authentication mode used
+    * @param aSeqNmbr sequence number used
+    * @param aStatusCode status code used
+    */
+    inline SAuthenticationFixedFields( 
+        const  TUint16 aAlgorithm = K802Dot11AuthModeOpen, 
+        const TUint16 aSeqNmbr = E802Dot11AuthenticationSeqNmbr1, 
+        const T802Dot11ManagementStatusCode aStatusCode 
+        = E802Dot11StatusSuccess );
+    
+    /**
+    * Returns the authentication transaction algorithm number
+    * @return sequence number
+    */
+    inline TUint16 AlgorithmNumber() const;
+
+    /**
+    * Sets the authentication transaction algorithm number
+    * @param aSequenceNumber value to be set
+    */
+    inline void SetAlgorithmNumber( 
+        TUint16 aAlgorithmNumber );
+
+    /**
+    * Returns the authentication transaction sequence number
+    * @return sequence number
+    */
+    inline TUint16 SequenceNumber() const;
+
+    /**
+    * Sets the authentication transaction sequence number
+    * @param aSequenceNumber value to be set
+    */
+    inline void SetSequenceNumber( TUint16 aSequenceNumber );
+
+    /**
+    * Returns the authentication transaction status code
+    * @return status code
+    */
+    inline TUint16 StatusCode() const;
+
+    } __PACKED;
+    
+inline SAuthenticationFixedFields::SAuthenticationFixedFields( 
+    const  TUint16 aAlgorithm, 
+    const TUint16 aSeqNmbr, 
+    const T802Dot11ManagementStatusCode aStatusCode )
+    {
+    WriteHtoUint16( &iAlgorithmNumber, static_cast<TUint16>( aAlgorithm ) );
+    WriteHtoUint16( &iSequenceNmbr, static_cast<TUint16>( aSeqNmbr ) );
+    WriteHtoUint16( &iStatusCode, static_cast<TUint16>( aStatusCode ) );    
+    }
+    
+inline TUint16 SAuthenticationFixedFields::AlgorithmNumber() const
+    {
+    return ( ReadUint16Toh( &iAlgorithmNumber ) );    
+    }
+
+inline void SAuthenticationFixedFields::SetAlgorithmNumber( TUint16 aAlgorithmNumber )
+    {
+    WriteHtoUint16( &iAlgorithmNumber, aAlgorithmNumber );    
+    }
+
+inline TUint16 SAuthenticationFixedFields::SequenceNumber() const
+    {
+    return ( ReadUint16Toh( &iSequenceNmbr ) );
+    }
+    
+inline void SAuthenticationFixedFields::SetSequenceNumber( 
+    TUint16 aSequenceNumber )
+    {
+    WriteHtoUint16( &iSequenceNmbr, aSequenceNumber );
+    }
+
+inline TUint16 SAuthenticationFixedFields::StatusCode() const
+    {
+    return ( ReadUint16Toh( &iStatusCode ) );
+    }    
+    
+
+/**
+* 802.11 authentication management frame
+*/
+#pragma pack( 1 )
+struct SAuthenticationFrame
+    {
+    /** management frame header */
+    SManagementFrameHeader      iHeader;                // 24 bytes
+    /** authentication frame fixed fields */
+    SAuthenticationFixedFields  iAuthenticationFields;  // 6 bytes
+
+    /** Ctor */
+    SAuthenticationFrame() 
+        : iHeader( E802Dot11FrameTypeAuthentication ) {};
+    
+    /** Increments sequnece number to next number we shall send */
+    inline void IncrementSeqNmbr();
+
+    /** Resets sequnece number to initial value */
+    inline void ResetSeqNmbr();
+
+    /**
+    * Gets the frames sequence number
+    * @return frames sequence number
+    */
+    inline TUint16 GetSeqNmbr() const;
+
+    /**
+    * Gets the frames status code field
+    * @return frames status code field
+    */
+    inline TUint16 GetStatusCode() const;
+
+    /**
+    * Gets the algorithm number 
+    * @return algorithm number
+    */
+    inline TUint16 GetAlgorithmNumber() const;
+
+    /** Sets the WEP bit from frame control field */
+    inline void SetWepBit();
+
+    /** Clears the WEP bit from frame control field */
+    inline void ClearWepBit();
+
+    /**
+    * Sets the the algorithm number field
+    * @param aAlgorithm algorithm to be used
+    */
+    inline void SetAlgorithmNmbr( TUint16 aAlgorithm );
+
+private:
+
+    /** Prohibit assignment operator */
+    SAuthenticationFrame& operator= ( const SAuthenticationFrame& );
+    /** Prohibit copy constructor */
+    SAuthenticationFrame( const SAuthenticationFrame& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAuthenticationFrame::IncrementSeqNmbr()
+    {
+    iAuthenticationFields.SetSequenceNumber( 
+        iAuthenticationFields.SequenceNumber() + 2 );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAuthenticationFrame::ResetSeqNmbr()
+    {
+    iAuthenticationFields.SetSequenceNumber( E802Dot11AuthenticationSeqNmbr1 );        
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SAuthenticationFrame::GetSeqNmbr() const
+    {
+    return ( iAuthenticationFields.SequenceNumber() );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SAuthenticationFrame::GetStatusCode() const
+    {
+    return ( iAuthenticationFields.StatusCode() );    
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAuthenticationFrame::SetAlgorithmNmbr( 
+    TUint16 aAlgorithm )
+    {
+    iAuthenticationFields.SetAlgorithmNumber( aAlgorithm );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SAuthenticationFrame::GetAlgorithmNumber() const
+    {
+    return ( iAuthenticationFields.AlgorithmNumber() );        
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAuthenticationFrame::SetWepBit()
+    {
+    iHeader.SetWepBit();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAuthenticationFrame::ClearWepBit()
+    {
+    iHeader.ClearWepBit();
+    }
+
+/**
+* 802.11 fixed length components required 
+* in association request management frame
+*/
+#pragma pack( 1 )
+struct SAssociationRequestFixedFields
+    {
+    /** capability info fixed field */
+    SCapabilityInformationField iCapabilityInfo;    // 2 bytes
+    /** listeninterval fixed field */
+    SListenIntervalField iListenInterval;           // 2 bytes
+
+    /** Ctor */
+    SAssociationRequestFixedFields() {};
+
+private:
+
+    /** Prohibit assignment operator */
+    SAssociationRequestFixedFields& operator= ( 
+        const SAssociationRequestFixedFields& );
+    /** Prohibit copy constructor */
+    SAssociationRequestFixedFields( 
+        const SAssociationRequestFixedFields& );
+    } __PACKED;
+
+/**
+* operator== for SAssociationRequestFixedFields
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SAssociationRequestFixedFields& aLhs,
+    const SAssociationRequestFixedFields& aRhs)
+    {
+    return static_cast<TBool>( aLhs.iCapabilityInfo == aRhs.iCapabilityInfo
+        && aLhs.iListenInterval == aRhs.iListenInterval );
+    }
+
+
+/**
+* 802.11 association request management frame
+* excluding variable length information elements
+* - SSID
+* - supported rates
+*/
+#pragma pack( 1 )
+struct SAssociationRequestFrame
+    {
+    /** management frame header */
+    SManagementFrameHeader          iHeader;        // 24 bytes
+    /** association request fixed fields */
+    SAssociationRequestFixedFields  iFixedFields;   // 4 bytes
+
+    /** Ctor */
+    SAssociationRequestFrame() 
+        : iHeader( E802Dot11FrameTypeAssociationReq ),
+        iFixedFields() {}; 
+
+    /**
+    * Helper function to set short preamble bit in capability info
+    */
+    inline void SetCapabilityShortPreamble();
+
+    /**
+    * Helper function to clear short preamble bit in capability info
+    */
+    inline void ClearCapabilityShortPreamble();
+
+    /**
+    * Helper function to set PBCC bit in capability info
+    */
+    inline void SetCapabilityPbcc();
+
+    /**
+    * Helper function to clear PBCC bit in capability info
+    */
+    inline void ClearCapabilityPbcc();
+
+    /**
+    * Helper function to clear CF fields from capability info
+    */
+    inline void ClearCFfields();
+
+    /** Helper function to clear reserved fields */
+    inline void ClearReservedFields();
+
+    /** Helper function to set WEP bit from the capability info fixed field */
+    inline void SetWepBit();
+
+    /** 
+    * Helper function to clear WEP bit from 
+    * the capability info fixed field 
+    */
+    inline void ClearWepBit();
+
+private:
+
+    /** Prohibit assignment operator */
+    SAssociationRequestFrame& operator= ( 
+        const SAssociationRequestFrame& );
+    /** Prohibit copy constructor */
+    SAssociationRequestFrame( 
+        const SAssociationRequestFrame& );
+    } __PACKED; // 28 bytes
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::SetCapabilityShortPreamble()
+    {
+    iFixedFields.iCapabilityInfo.SetShortPreamble();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::ClearCapabilityShortPreamble()
+    {
+    iFixedFields.iCapabilityInfo.ClearShortPreamble();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::SetCapabilityPbcc()
+    {
+    iFixedFields.iCapabilityInfo.SetPbcc();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::ClearCapabilityPbcc()
+    {
+    iFixedFields.iCapabilityInfo.ClearPbcc();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::ClearCFfields()
+    {
+    iFixedFields.iCapabilityInfo.ClearCfFields();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::ClearReservedFields()
+    {
+    iFixedFields.iCapabilityInfo.ClearReservedFields();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::SetWepBit()
+    {
+    iFixedFields.iCapabilityInfo.SetWepBit();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SAssociationRequestFrame::ClearWepBit()
+    {
+    iFixedFields.iCapabilityInfo.ClearWepBit();
+    }
+
+/**
+* 802.11 association response frame fixed fields
+*/
+#pragma pack( 1 )
+struct SAssociationResponseFixedFields
+    {
+    /** capability info fixed field */
+    SCapabilityInformationField iCapabilityInfo;    // 2 bytes
+    /** status code fixed field */
+    TUint16                     iStatusCode;        // 2 bytes
+    /** AID fixed field */
+    TUint16                     iAID;               // 2 bytes
+    
+    /**
+    * Returns the association response status code
+    * @return status code
+    */
+    inline TUint16 StatusCode() const;
+
+    /**
+    * Returns the Association ID (AID)
+    * @return AID
+    */
+    inline TUint16 Aid() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SAssociationResponseFixedFields& operator= ( 
+        const SAssociationResponseFixedFields& );    
+    /** Prohibit copy constructor */
+    SAssociationResponseFixedFields( const SAssociationResponseFixedFields& );
+    } __PACKED;
+
+inline TUint16 SAssociationResponseFixedFields::StatusCode() const
+    {
+    return ( ReadUint16Toh( &iStatusCode ) );
+    }
+
+inline TUint16 SAssociationResponseFixedFields::Aid() const
+    {
+    return ( ReadUint16Toh( &iAID ) );
+    }
+
+
+/**
+* 802.11 fixed length components required in deauthenticate frame
+*/
+#pragma pack( 1 )
+struct SDeauthenticateFixedFields
+    {
+    /** reason code fixed field */
+    TUint16 iReasonCode;
+
+    /** Ctor */
+    SDeauthenticateFixedFields()
+        : iReasonCode( E802Dot11ReasonDeauthStationLeft ) {};
+
+    /*
+    * Returns the reason code 
+    * @return Reason code
+    */
+    inline TUint16 ReasonCode() const;
+
+    /** Setter for the reason code */
+    inline void SetReasonCode( TUint16 aReasonCode );
+    
+private:
+
+    /** Prohibit assignment operator */
+    SDeauthenticateFixedFields& operator= ( 
+        T802Dot11ManagementReasonCode aReason );
+    /** Prohibit copy constructor */
+    SDeauthenticateFixedFields( const SDeauthenticateFixedFields& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SDeauthenticateFixedFields::ReasonCode() const
+    {
+    return ( ReadUint16Toh( &iReasonCode ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDeauthenticateFixedFields::SetReasonCode( TUint16 aReasonCode )
+    {
+    WriteHtoUint16( &iReasonCode, aReasonCode );
+    }
+
+/**
+* operator== for SDeauthenticateFixedFields
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SDeauthenticateFixedFields& aLhs,
+    const SDeauthenticateFixedFields& aRhs)
+    {
+    return static_cast<TBool>( 
+        aLhs.ReasonCode() == aRhs.ReasonCode() );
+    }
+
+/**
+* 802.11 deauthenticate management frame
+*/
+#pragma pack( 1 )
+struct SDeauthenticateFrame
+    {
+    /** management frame header */
+    SManagementFrameHeader      iHeader;        // 24 bytes     
+    /** reason code fixed field  */
+    SDeauthenticateFixedFields  iReasonCode;    // 2 bytes
+
+    /** Ctor */
+    SDeauthenticateFrame() 
+        : iHeader( E802Dot11FrameTypeDeauthentication ),
+        iReasonCode() {};
+
+private:
+
+    /** Prohibit assignment operator */
+    SDeauthenticateFrame& operator= ( const SDeauthenticateFrame& );
+    /** Prohibit copy constructor */
+    SDeauthenticateFrame( const SDeauthenticateFrame& );
+    } __PACKED;
+
+/**
+* operator== for SDeauthenticateFrame
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SDeauthenticateFrame& aLhs,
+    const SDeauthenticateFrame& aRhs)
+    {
+    return ( aLhs == aRhs );
+    }
+
+/**
+* 802.11 fixed length components required in disassociate frame
+*/
+#pragma pack( 1 )
+struct SDisAssociateFixedFields
+    {
+    /** reason code fixed field */
+    TUint16 iReasonCode;
+
+    /** Ctor */
+    inline SDisAssociateFixedFields();
+
+    /*
+    * Returns the reason code 
+    * @return Reason code
+    */
+    inline TUint16 ReasonCode() const;
+
+    /** Setter for the reason code */
+    inline void SetReasonCode( TUint16 aReasonCode );
+    
+private:
+    // Prohibit assignment operator
+    SDisAssociateFixedFields& operator= ( const SDisAssociateFixedFields& );
+    // Prohibit copy constructor    
+    SDisAssociateFixedFields( const SDisAssociateFixedFields& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline SDisAssociateFixedFields::SDisAssociateFixedFields()
+    {
+    WriteHtoUint16( &iReasonCode, E802Dot11ReasonClass3FrameWhenNotAssoc );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SDisAssociateFixedFields::ReasonCode() const
+    {
+    return ( ReadUint16Toh( &iReasonCode ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SDisAssociateFixedFields::SetReasonCode( TUint16 aReasonCode )
+    {
+    WriteHtoUint16( &iReasonCode, aReasonCode );
+    }
+
+/**
+* operator== for SDisAssociateFixedFields
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SDisAssociateFixedFields& aLhs,
+    const SDisAssociateFixedFields& aRhs)
+    {
+    return static_cast<TBool>( 
+        aLhs.ReasonCode() == aRhs.ReasonCode() );
+    }
+
+/**
+* 802.11 disassociate management frame
+*/
+#pragma pack( 1 )
+struct SDisassociateFrame
+    {
+    /** management frame header */
+    SManagementFrameHeader      iHeader;        // 24 bytes 
+    /** reason code fixed field  */
+    SDisAssociateFixedFields    iReasonCode;    // 2 bytes
+
+    /** Ctor */
+    SDisassociateFrame()
+        : iHeader( E802Dot11FrameTypeDisassociation ),
+        iReasonCode() {};
+
+private:
+
+    /** Prohibit assignment operator */
+    SDisassociateFrame& operator= ( const SDisassociateFrame& );
+    /** Prohibit copy constructor */
+    SDisassociateFrame( const SDisassociateFrame& );
+    } __PACKED; // 26 bytes
+
+/**
+* operator== for SDisassociateFrame
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SDisassociateFrame& aLhs,
+    const SDisassociateFrame& aRhs)
+    {
+    return ( aLhs == aRhs );
+    }
+
+/**
+* 802.11 fixed length components required 
+* in reassociation request management frame
+*/
+#pragma pack( 1 )
+struct SReassociationRequestFixedFields
+    {
+    /** capability info fixed field */
+    SCapabilityInformationField iCapabilityInfo;    // 2 bytes
+    /** listeninterval fixed field */
+    SListenIntervalField iListenInterval;           // 2 bytes
+    /** current AP address fixed field */
+    TMacAddress iCurrentApAddress;                  // 6 bytes
+
+    /** Ctor */
+    SReassociationRequestFixedFields() {};
+
+private:
+
+    /** Prohibit assignment operator */
+    SReassociationRequestFixedFields& operator= ( 
+        const SReassociationRequestFixedFields& );
+    /** Prohibit copy constructor */
+    SReassociationRequestFixedFields( 
+        const SReassociationRequestFixedFields& );
+    } __PACKED;
+
+/**
+* operator== for SReassociationRequestFixedFields
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SReassociationRequestFixedFields& aLhs,
+    const SReassociationRequestFixedFields& aRhs)
+    {
+    return static_cast<TBool>( aLhs.iCapabilityInfo == aRhs.iCapabilityInfo
+                               && aLhs.iListenInterval == aRhs.iListenInterval
+                               && aLhs.iCurrentApAddress == aRhs.iCurrentApAddress );
+    }
+
+/**
+* 802.11 reassociation request management frame
+* excluding variable length information elements
+*/
+#pragma pack( 1 )
+struct SReassociationRequestFrame
+    {
+    /** management frame header */
+    SManagementFrameHeader          iHeader;        // 24 bytes
+    /** association request fixed fields */
+    SReassociationRequestFixedFields  iFixedFields; // 10 bytes
+
+    /** Ctor */
+    SReassociationRequestFrame() 
+        : iHeader( E802Dot11FrameTypeReassociationReq ),
+        iFixedFields() {}; 
+
+    /**
+    * Helper function to set short preamble bit in capability info
+    */
+    inline void SetCapabilityShortPreamble();
+
+    /**
+    * Helper function to clear short preamble bit in capability info
+    */
+    inline void ClearCapabilityShortPreamble();
+
+    /**
+    * Helper function to set PBCC bit in capability info
+    */
+    inline void SetCapabilityPbcc();
+
+    /**
+    * Helper function to clear PBCC bit in capability info
+    */
+    inline void ClearCapabilityPbcc();
+
+    /**
+    * Helper function to clear CF fields from capability info
+    */
+    inline void ClearCFfields();
+
+    /** Helper function to clear reserved fields */
+    inline void ClearReservedFields();
+
+    /** Helper function to set WEP bit from the capability info fixed field */
+    inline void SetWepBit();
+
+    /** 
+    * Helper function to clear WEP bit from 
+    * the capability info fixed field 
+    */
+    inline void ClearWepBit();
+
+private:
+
+    /** Prohibit assignment operator */
+    SReassociationRequestFrame& operator= ( 
+        const SReassociationRequestFrame& );
+    /** Prohibit copy constructor */
+    SReassociationRequestFrame( 
+        const SReassociationRequestFrame& );
+    } __PACKED; // 34 bytes
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::SetCapabilityShortPreamble()
+    {
+    iFixedFields.iCapabilityInfo.SetShortPreamble();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::ClearCapabilityShortPreamble()
+    {
+    iFixedFields.iCapabilityInfo.ClearShortPreamble();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::SetCapabilityPbcc()
+    {
+    iFixedFields.iCapabilityInfo.SetPbcc();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::ClearCapabilityPbcc()
+    {
+    iFixedFields.iCapabilityInfo.ClearPbcc();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::ClearCFfields()
+    {
+    iFixedFields.iCapabilityInfo.ClearCfFields();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::ClearReservedFields()
+    {
+    iFixedFields.iCapabilityInfo.ClearReservedFields();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::SetWepBit()
+    {
+    iFixedFields.iCapabilityInfo.SetWepBit();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline void SReassociationRequestFrame::ClearWepBit()
+    {
+    iFixedFields.iCapabilityInfo.ClearWepBit();
+    }
+
+/**
+* 802.11 reassociation response frame fixed fields
+*/
+#pragma pack( 1 )
+struct SReassociationResponseFixedFields
+    {
+    /** capability info fixed field */
+    SCapabilityInformationField iCapabilityInfo;    // 2 bytes
+    /** status code fixed field */
+    TUint16                     iStatusCode;        // 2 bytes
+    /** AID fixed field */
+    TUint16                     iAID;               // 2 bytes
+
+    /*
+    * Returns the reassociation response status code
+    * @return status code
+    */
+    inline TUint16 StatusCode() const;
+
+    /*
+    * Returns the Asociation ID (AID)
+    * @return AID
+    */
+    inline TUint16 Aid() const;
+
+private:
+
+    /** Prohibit assignment operator */
+    SReassociationResponseFixedFields& operator= ( 
+        const SReassociationResponseFixedFields& );    
+    /** Prohibit copy constructor */
+    SReassociationResponseFixedFields( const SReassociationResponseFixedFields& );
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SReassociationResponseFixedFields::StatusCode() const
+    {
+    return ( ReadUint16Toh( &iStatusCode ) );
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SReassociationResponseFixedFields::Aid() const
+    {
+    return ( ReadUint16Toh( &iAID ) );
+    }
+
+
+/**
+* SNAP header
+*/
+#pragma pack( 1 )
+struct SSnapHeader
+    {
+    /** destination service access point */
+    TUint8 iDSAP;
+    /** source service access point */
+    TUint8 iSSAP;
+    /** control field */
+    TUint8 iControl;
+    /** organizationally unique identifier */
+    TUint8 iOUI[KOIULength];    // 3
+    } __PACKED; // 6 bytes
+
+/**
+* operator== for SSnapHeader
+* @param aLhs left hand side
+* @param aRhs right hand side
+* @return ETrue equal, EFalse not equal
+*/
+inline TBool operator== (
+    const SSnapHeader& aLhs,
+    const SSnapHeader& aRhs)
+    {    
+    return ( equal( reinterpret_cast<const TUint8*>(&aLhs),
+                    reinterpret_cast<const TUint8*>(&aLhs) + sizeof(SSnapHeader), 
+                    reinterpret_cast<const TUint8*>(&aRhs) ));    
+    }
+
+/**
+* RFC 1042 encapsulation SNAP header
+*/
+const SSnapHeader KEncapsulatingRfc1042SnapHeader 
+    = { 0xAA, 0xAA, 0x03, { 0x00, 0x00, 0x00 } };
+
+/**
+* 802.1 h SNAP header
+*/
+const SSnapHeader KEncapsulating802_1hSnapHeader 
+    = { 0xAA, 0xAA, 0x03, { 0x00, 0x00, 0xF8 } };
+
+/**
+* 802.11 data frame encapsulation header
+*/ 
+#pragma pack( 1 )
+struct SDataFrameEncapsulationHeader
+    {
+    /** SNAP header */
+    SSnapHeader     iSnapHeader;    // 6    
+    } __PACKED;
+
+/**
+* 802.11 data frame and its encapsulation header combined
+*/ 
+#pragma pack( 1 )
+struct SDataMpduHeader
+    {
+    /** Ctor */
+    SDataMpduHeader()
+        {
+        iEncHdr.iSnapHeader = KEncapsulatingRfc1042SnapHeader;
+        }
+
+    /** 802.11 data frame header */
+    SDataFrameHeader iHdr;                  // 24 
+    /** 802.11 data frame encapsulation header */
+    SDataFrameEncapsulationHeader iEncHdr;  // 6
+    } __PACKED; // 30
+
+/*
+        802.2 SNAP DATA Frame 
+       +----------------+
+       |                |
+       |  Destination   |
+       |    6 bytes     |
+       +----------------+
+       |                |
+       |     Source     |
+       |    6 bytes     |
+       +----------------+
+       |  Frame Length  | Must be <= 1500 Dec.
+       |    2 bytes     |
+       +----------------+
+       |  DSAP - 1 byte | = 0xAA ( SNAP )
+       +----------------+
+       |  SSAP - 1 byte | = 0xAA ( SNAP )
+       +----------------+
+       |Control - 1 byte| = 0x03 
+       +----------------+ 
+       | OUI - 3 bytes  | = 0x0
+       |                | 
+       +----------------+
+       | Type - 2 bytes |  = Ethernet type (IP=0x0800)
+       +----------------+ 
+       |                | 
+       |      Data      |
+       |                |
+       ~                ~
+       ~                ~
+       |   46 to 1500   |
+       |     bytes      |
+       |                |
+       +----------------+
+       |      FCS       |
+       |    4 bytes     |
+       +----------------+
+*/
+
+/*
+This is an Ethernet Version 2 frame:
+
+       +--------------+
+       |              | The destination address is a six byte Media Access
+       | Destination  | Control (MAC) address, usually burned into the
+       |   6 bytes    | ROM of the Ethernet card.
+       +--------------+
+       |              | The source address is a six byte MAC address, and
+       |   Source     | can signify a physical station or a broadcast.
+       |   6 bytes    |
+       +--------------+
+       |     Type     | The Type field it must be grater then 1500 dec.
+       |    2 bytes   |
+       +--------------+
+       |              |  Any higher layer information is placed in the
+       |    Data      |  data field, which could contain protocol
+       |              |  information or user data.
+       ~              ~
+       ~              ~
+       |  46 to 1500  |
+       |    bytes     |
+       |              |
+       +--------------+
+       |     FCS      |  
+       |   4 bytes    |  
+       +--------------+  
+                         
+*/
+
+/**
+* 802.11 QoS data frame and its encapsulation header combined
+*/ 
+#pragma pack( 1 )
+struct SQosDataMpduHeader
+    {
+    /** Ctor */
+    SQosDataMpduHeader()
+        {
+        iEncHdr.iSnapHeader = KEncapsulatingRfc1042SnapHeader;
+        }
+
+    /** 802.11 QoS data frame header */
+    SQosDataFrameHeader iHdr;               // 26 
+    /** 802.11 data frame encapsulation header */
+    SDataFrameEncapsulationHeader iEncHdr;  // 6
+    } __PACKED; // 33
+
+const TUint16 KUint16HiByteMask = 0xFF00;
+
+/**
+* Ethernet 14-byte Header (RFC 894)
+*/
+#pragma pack( 1 )
+struct SEthernetHeader 
+    {
+    /** destination MAC address */
+    TMacAddress iDA;    // 6
+    /** source MAC address */
+    TMacAddress iSA;    // 6
+    /** ethernet type field */
+    TUint16     iType;  // 2
+
+    /**
+    * Returns the Ethernet Type
+    * @return ethernet type
+    */
+    inline TUint16 Type() const;
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// If the type is other than EAPOL (e.g. IP or ARP), we need to reverse the 
+// byte order as the IP world uses different byter order (MSB first) as WLAN 
+// MAC layer (LSB first)
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SEthernetHeader::Type() const
+    {
+    return ReverseUint16( ReadUint16Toh( &iType ) );
+    }
+
+/**
+* Ethernet 802.2/802.3 Header (RFC 1042)
+*/
+#pragma pack( 1 )
+struct SEthernet802_3Header
+    {
+    /** destination MAC address */
+    TMacAddress iDA;        // 6
+    /** source MAC address */
+    TMacAddress iSA;        // 6
+    /** length of frame */
+    TUint16     iLength;    // 2
+    /** SNAP header */
+    SSnapHeader iSnapHeader;// 6
+    /** type field */    
+    TUint16     iType;      // 2
+    } __PACKED;
+
+/**
+* Ethernet type field
+*/
+#pragma pack( 1 )
+struct SEthernetType
+    {
+    /** type field */    
+    TUint16     iType;      // 2
+
+    /**
+    * Returns the Ethernet Type
+    * @return ethernet type
+    */
+    inline TUint16 Type() const;    
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// We need to reverse the byte order as the IP world uses different byter 
+// order (MSB first) as WLAN MAC layer (LSB first)
+// ---------------------------------------------------------------------------
+//
+inline TUint16 SEthernetType::Type() const
+    {
+    return ReverseUint16( ReadUint16Toh( &iType ) );
+    }
+
+/**
+* IP version mask
+*/
+const TUint8 KIpVersionMask = 0xF0;
+
+/**
+* The DS (differentiated services) field according to RFC 2474
+* Bits 0-5: DSCP (differentiated services codepoint)
+* Bits 6-7: CU (currently unused)
+*/
+typedef TUint8 TDsField;
+
+/**
+* According to the WiFi-WMM Test Specification v1.2 the three highest 
+* bits of the DS field determine the user priority
+* This is a mask for those bits in IPv4 header
+*/
+const TUint8 KDscpIpv4Mask = 0xE0;
+
+/**
+* Version number for IPv4
+*/
+const TUint8 KIpv4 = 4;
+
+/**
+* Version number for IPv6
+*/
+const TUint8 KIpv6 = 6;
+
+/**
+* IPv4 header (RFC 791) prefix with the Type of Service field redefined
+* as the DS field according to RFC 2474
+*/
+#pragma pack( 1 )
+struct SIpv4HeaderPrefix
+    {
+    /** Version (4 highest bits) + IHL (Internet Header Length, 4 lowest 
+    bits) */
+    TUint8 iVersionIhl;    // 1
+    /** DS field */ 
+    TDsField iDs;          // 1
+
+    /**
+    * Returns the IP protocol version
+    */
+    inline TUint8 Version() const;
+
+    /**
+    * Returns the 802.1d priority value (range 0-7)
+    */
+    inline TUint8 The802Dot1dPriority() const;
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SIpv4HeaderPrefix::Version() const
+    {
+    return ( iVersionIhl & KIpVersionMask ) >> 4;
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SIpv4HeaderPrefix::The802Dot1dPriority() const
+    {
+    return ( ( iDs & KDscpIpv4Mask ) >> 5 );
+    }
+
+/**
+* According to the WiFi-WMM Test Specification v1.2 the three highest 
+* bits of the DS field determine the user priority
+* This is a mask for those bits in IPv6 header
+*/
+const TUint8 KDscpIpv6Mask = 0x0E;
+
+/**
+* IPv6 header (RFC 2460) prefix with the Traffic Class field redefined
+* as the DS field according to RFC 2474
+*/
+#pragma pack( 1 )
+struct SIpv6HeaderPrefix
+    {
+    /** 
+    * Version (highest 4 bits) + highest 4 bits of the DS (in lowest 4 bits
+    * of this byte)
+    */
+    TUint8 iVersionDs;    // 1
+
+    /**
+    * Returns the 802.1d priority value (range 0-7)
+    */
+    inline TUint8 The802Dot1dPriority() const;
+    } __PACKED;
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+inline TUint8 SIpv6HeaderPrefix::The802Dot1dPriority() const
+    {
+    return ( ( iVersionDs & KDscpIpv6Mask ) >> 1 );
+    }
+
+// pop the pragma pack stack to return to normal alignment of structures
+#pragma pack( ) 
+
+/**
+* typedef for WEP key
+*/
+typedef TUint8 TWepKey[KMaxWEPKeyLength];
+
+/**
+* Struct for mapped key: key + mac address
+*/
+struct SMappedWepKey
+    {
+    TMacAddress MacAddress;
+    TWepKey WepKey;
+    };
+
+/**
+* Struct for tkip key
+*/
+struct STkipKey
+    {
+    TMacAddress MacAddress;
+    TWepKey WepKey;
+    TUint8 KeyId;
+    TUint8 KeyIndicator;
+    TUint8 KeyIndex;
+    };
+
+#endif      // WLAN802DOT11_H