drivers/staging/winbond/mac_structures.h - kernel/windcharger - Git at Google

 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 // MAC_Structures.h
 //
 // This file contains the definitions and data structures used by SW-MAC.
 //
 // Revision Histoy
 //=================
 // 0.1      2002        UN00
 // 0.2      20021004    PD43 CCLiu6
 //          20021018    PD43 CCLiu6
 //                      Add enum_TxRate type
 //                      Modify enum_STAState type
 // 0.3      20021023    PE23 CYLiu update MAC session struct
 //          20021108
 //          20021122    PD43 Austin
 //                      Deleted some unused.
 //          20021129    PD43 Austin
 //			20030617	increase the 802.11g definition
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

 #ifndef _MAC_Structures_H_
 #define _MAC_Structures_H_

 #include <linux/skbuff.h>

 //=========================================================
 // Some miscellaneous definitions
 //-----
 #define MAX_CHANNELS                        30
 #define MAC_ADDR_LENGTH                     6
 #define MAX_WEP_KEY_SIZE                    16  // 128 bits
 #define	MAX_802_11_FRAGMENT_NUMBER		10 // By spec

 //========================================================
 // 802.11 Frame define
 //-----
 #define MASK_PROTOCOL_VERSION_TYPE	0x0F
 #define MASK_FRAGMENT_NUMBER		0x000F
 #define SEQUENCE_NUMBER_SHIFT		4
 #define DIFFER_11_TO_3				18
 #define DOT_11_MAC_HEADER_SIZE		24
 #define DOT_11_SNAP_SIZE			6
 #define DOT_11_DURATION_OFFSET		2
 #define DOT_11_SEQUENCE_OFFSET		22 //Sequence control offset
 #define DOT_11_TYPE_OFFSET			30 //The start offset of 802.11 Frame//
 #define DOT_11_DATA_OFFSET          24
 #define DOT_11_DA_OFFSET			4
 #define DOT_3_TYPE_ARP				0x80F3
 #define DOT_3_TYPE_IPX				0x8137
 #define DOT_3_TYPE_OFFSET			12


 #define ETHERNET_HEADER_SIZE			14
 #define MAX_ETHERNET_PACKET_SIZE		1514


 //-----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
 #define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST    0x00
 #define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE   0x10
 #define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST  0x20
 #define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
 #define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST    0x40
 #define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE   0x50
 #define MAC_SUBTYPE_MNGMNT_BEACON           0x80
 #define MAC_SUBTYPE_MNGMNT_ATIM             0x90
 #define MAC_SUBTYPE_MNGMNT_DISASSOCIATION   0xA0
 #define MAC_SUBTYPE_MNGMNT_AUTHENTICATION   0xB0
 #define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0

 //-----  control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
 #define MAC_SUBTYPE_CONTROL_PSPOLL          0xA4
 #define MAC_SUBTYPE_CONTROL_RTS             0xB4
 #define MAC_SUBTYPE_CONTROL_CTS             0xC4
 #define MAC_SUBTYPE_CONTROL_ACK             0xD4
 #define MAC_SUBTYPE_CONTROL_CFEND           0xE4
 #define MAC_SUBTYPE_CONTROL_CFEND_CFACK     0xF4

 //-----  data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
 #define MAC_SUBTYPE_DATA                    0x08
 #define MAC_SUBTYPE_DATA_CFACK              0x18
 #define MAC_SUBTYPE_DATA_CFPOLL             0x28
 #define MAC_SUBTYPE_DATA_CFACK_CFPOLL       0x38
 #define MAC_SUBTYPE_DATA_NULL               0x48
 #define MAC_SUBTYPE_DATA_CFACK_NULL         0x58
 #define MAC_SUBTYPE_DATA_CFPOLL_NULL        0x68
 #define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL  0x78

 //-----  Frame Type of Bits (2, 3)
 #define MAC_TYPE_MANAGEMENT                 0x00
 #define MAC_TYPE_CONTROL                    0x04
 #define MAC_TYPE_DATA                       0x08

 //----- definitions for Management Frame Element ID (1 BYTE)
 #define ELEMENT_ID_SSID                     0
 #define ELEMENT_ID_SUPPORTED_RATES          1
 #define ELEMENT_ID_FH_PARAMETER_SET         2
 #define ELEMENT_ID_DS_PARAMETER_SET         3
 #define ELEMENT_ID_CF_PARAMETER_SET         4
 #define ELEMENT_ID_TIM                      5
 #define ELEMENT_ID_IBSS_PARAMETER_SET       6
 // 7~15 reserverd
 #define ELEMENT_ID_CHALLENGE_TEXT           16
 // 17~31 reserved for challenge text extension
 // 32~255 reserved
 //--  11G  --
 #define ELEMENT_ID_ERP_INFORMATION			42
 #define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50

 //--  WPA  --

 #define ELEMENT_ID_RSN_WPA					221
 #ifdef _WPA2_
 #define ELEMENT_ID_RSN_WPA2				    48
 #endif //endif WPA2

 #define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT    ((u16) 6)
 #define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT  ((u16) 2)

 //========================================================
 typedef enum enum_PowerManagementMode
 {
     ACTIVE = 0,
     POWER_SAVE
 } WB_PM_Mode, *PWB_PM_MODE;

 //===================================================================
 //  Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
 //  length of ReasonCode is 2 Octs.
 //===================================================================
 #define REASON_REASERED             0
 #define REASON_UNSPECIDIED          1
 #define REASON_PREAUTH_INVALID      2
 #define DEAUTH_REASON_LEFT_BSS      3
 #define DISASS_REASON_AP_INACTIVE   4
 #define DISASS_REASON_AP_BUSY       5
 #define REASON_CLASS2_FRAME_FROM_NONAUTH_STA    6
 #define REASON_CLASS3_FRAME_FROM_NONASSO_STA    7
 #define DISASS_REASON_LEFT_BSS      8
 #define REASON_NOT_AUTH_YET         9
 //802.11i define
 #define REASON_INVALID_IE						13
 #define REASON_MIC_ERROR						14
 #define REASON_4WAY_HANDSHAKE_TIMEOUT			15
 #define REASON_GROUPKEY_UPDATE_TIMEOUT			16
 #define REASON_IE_DIFF_4WAY_ASSOC				17
 #define REASON_INVALID_MULTICAST_CIPHER			18
 #define REASON_INVALID_UNICAST_CIPHER			19
 #define REASON_INVALID_AKMP						20
 #define REASON_UNSUPPORTED_RSNIE_VERSION		21
 #define REASON_INVALID_RSNIE_CAPABILITY			22
 #define REASON_802_1X_AUTH_FAIL					23
 #define	REASON_CIPHER_REJECT_PER_SEC_POLICY		14

 /*
 //===========================================================
 // enum_MMPDUResultCode --
 //   Status code (2 Octs) in the MMPDU's frame body. Table.19
 //
 //===========================================================
 enum enum_MMPDUResultCode
 {
 //    SUCCESS   = 0,      // Redefined
     UNSPECIFIED_FAILURE                         = 1,

     // 2 - 9 Reserved

     NOT_SUPPROT_CAPABILITIES                    = 10,

     //REASSOCIATION_DENIED
     //
     REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST       = 11,

     //ASSOCIATION_DENIED_NOT_IN_STANDARD
     //
     ASSOC_DENIED_REASON_NOT_IN_STANDARD         = 12,
     PEER_NOT_SUPPORT_AUTH_ALGORITHM             = 13,
     AUTH_SEQNUM_OUT_OF_EXPECT                   = 14,
     AUTH_REJECT_REASON_CHALLENGE_FAIL           = 15,
     AUTH_REJECT_REASON_WAIT_TIMEOUT             = 16,
     ASSOC_DENIED_REASON_AP_BUSY                 = 17,
     ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE  = 18
 } WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
 */

 //===========================================================
 // enum_TxRate --
 //   Define the transmission constants based on W89C32 MAC
 //   target specification.
 //===========================================================
 typedef enum enum_TxRate
 {
     TXRATE_1M               = 0,
     TXRATE_2MLONG           = 2,
     TXRATE_2MSHORT          = 3,
     TXRATE_55MLONG          = 4,
     TXRATE_55MSHORT         = 5,
     TXRATE_11MLONG          = 6,
     TXRATE_11MSHORT         = 7,
     TXRATE_AUTO             = 255           // PD43 20021108
 } WB_TXRATE, *PWB_TXRATE;


 #define	RATE_BITMAP_1M				1
 #define	RATE_BITMAP_2M				2
 #define	RATE_BITMAP_5dot5M			5
 #define RATE_BITMAP_6M				6
 #define RATE_BITMAP_9M				9
 #define RATE_BITMAP_11M				11
 #define RATE_BITMAP_12M				12
 #define RATE_BITMAP_18M				18
 #define RATE_BITMAP_22M				22
 #define RATE_BITMAP_24M				24
 #define RATE_BITMAP_33M				17
 #define RATE_BITMAP_36M				19
 #define RATE_BITMAP_48M				25
 #define RATE_BITMAP_54M				28

 #define RATE_AUTO					0
 #define RATE_1M						2
 #define RATE_2M						4
 #define RATE_5dot5M					11
 #define RATE_6M						12
 #define RATE_9M						18
 #define RATE_11M					22
 #define RATE_12M					24
 #define RATE_18M					36
 #define RATE_22M					44
 #define RATE_24M					48
 #define RATE_33M					66
 #define RATE_36M					72
 #define RATE_48M					96
 #define RATE_54M					108
 #define RATE_MAX					255

 //CAPABILITY
 #define CAPABILITY_ESS_BIT				0x0001
 #define CAPABILITY_IBSS_BIT				0x0002
 #define CAPABILITY_CF_POLL_BIT			0x0004
 #define CAPABILITY_CF_POLL_REQ_BIT		0x0008
 #define CAPABILITY_PRIVACY_BIT			0x0010
 #define CAPABILITY_SHORT_PREAMBLE_BIT	0x0020
 #define CAPABILITY_PBCC_BIT				0x0040
 #define CAPABILITY_CHAN_AGILITY_BIT		0x0080
 #define CAPABILITY_SHORT_SLOT_TIME_BIT	0x0400
 #define CAPABILITY_DSSS_OFDM_BIT		0x2000


 struct Capability_Information_Element
 {
   union
   {
   	u16 __attribute__ ((packed)) wValue;
     #ifdef _BIG_ENDIAN_  //20060926 add by anson's endian
     struct _Capability
     {
         //--  11G  --
 	u8	Reserved3 : 2;
 	u8	DSSS_OFDM : 1;
 	u8	Reserved2 : 2;
 	u8	Short_Slot_Time : 1;
 	u8    Reserved1 : 2;
 	u8    Channel_Agility : 1;
 	u8    PBCC : 1;
 	u8    ShortPreamble : 1;
 	u8    CF_Privacy : 1;
 	u8    CF_Poll_Request : 1;
 	u8    CF_Pollable : 1;
 	u8    IBSS : 1;
 	u8    ESS : 1;
     } __attribute__ ((packed)) Capability;
     #else
     struct _Capability
     {
         u8    ESS : 1;
         u8    IBSS : 1;
         u8    CF_Pollable : 1;
         u8    CF_Poll_Request : 1;
         u8    CF_Privacy : 1;
         u8    ShortPreamble : 1;
         u8    PBCC : 1;
         u8    Channel_Agility : 1;
         u8    Reserved1 : 2;
 		//--  11G  --
 		u8	Short_Slot_Time : 1;
 		u8	Reserved2 : 2;
 		u8	DSSS_OFDM : 1;
 		u8	Reserved3 : 2;
     } __attribute__ ((packed)) Capability;
     #endif
   }__attribute__ ((packed)) ;
 }__attribute__ ((packed));

 struct FH_Parameter_Set_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    Dwell_Time[2];
     u8    Hop_Set;
     u8    Hop_Pattern;
     u8    Hop_Index;
 };

 struct DS_Parameter_Set_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    Current_Channel;
 };

 struct Supported_Rates_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    SupportedRates[8];
 }__attribute__ ((packed));

 struct SSID_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    SSID[32];
 }__attribute__ ((packed)) ;

 struct CF_Parameter_Set_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    CFP_Count;
     u8    CFP_Period;
     u8    CFP_MaxDuration[2];     // in Time Units
     u8    CFP_DurRemaining[2];    // in time units
 };

 struct TIM_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    DTIM_Count;
     u8    DTIM_Period;
     u8    Bitmap_Control;
     u8    Partial_Virtual_Bitmap[251];
 };

 struct IBSS_Parameter_Set_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    ATIM_Window[2];
 };

 struct Challenge_Text_Element
 {
     u8    Element_ID;
     u8    Length;
     u8    Challenge_Text[253];
 };

 struct PHY_Parameter_Set_Element
 {
 //  int     aSlotTime;
 //  int     aSifsTime;
     s32     aCCATime;
     s32     aRxTxTurnaroundTime;
     s32     aTxPLCPDelay;
     s32     RxPLCPDelay;
     s32     aRxTxSwitchTime;
     s32     aTxRampOntime;
     s32     aTxRampOffTime;
     s32     aTxRFDelay;
     s32     aRxRFDelay;
     s32     aAirPropagationTime;
     s32     aMACProcessingDelay;
     s32     aPreambleLength;
     s32     aPLCPHeaderLength;
     s32     aMPDUDurationFactor;
     s32     aMPDUMaxLength;
 //  int     aCWmin;
 //  int     aCWmax;
 };

 //--  11G  --
 struct ERP_Information_Element
 {
     u8	Element_ID;
     u8	Length;
     #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
     	u8	Reserved:5;   //20060926 add by anson
        u8	Barker_Preamble_Mode:1;
 	u8	Use_Protection:1;
        u8	NonERP_Present:1;
     #else
 	u8	NonERP_Present:1;
 	u8	Use_Protection:1;
 	u8	Barker_Preamble_Mode:1;
 	u8	Reserved:5;
     #endif
 };

 struct Extended_Supported_Rates_Element
 {
     u8	Element_ID;
     u8	Length;
     u8	ExtendedSupportedRates[255];
 }__attribute__ ((packed));

 //WPA(802.11i draft 3.0)
 #define VERSION_WPA				1
 #ifdef _WPA2_
 #define VERSION_WPA2            1
 #endif //end def  _WPA2_
 #define OUI_WPA					0x00F25000	//WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
 #ifdef _WPA2_
 #define OUI_WPA2				0x00AC0F00	// for wpa2 change to 0x00ACOF04 by Ws 26/04/04
 #endif //end def _WPA2_

 #define OUI_WPA_ADDITIONAL		0x01
 #define WLAN_MIN_RSN_WPA_LENGTH                 6 //added by ws 09/10/04
 #ifdef _WPA2_
 #define WLAN_MIN_RSN_WPA2_LENGTH                2 // Fix to 2 09/14/05
 #endif //end def _WPA2_

 #define oui_wpa                  (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)

 #define WPA_OUI_BIG    ((u32) 0x01F25000)//added by ws 09/23/04
 #define WPA_OUI_LITTLE  ((u32) 0x01F25001)//added by ws 09/23/04

 #define WPA_WPS_OUI				cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204

 //-----WPA2-----
 #ifdef _WPA2_
 #define WPA2_OUI_BIG    ((u32)0x01AC0F00)
 #define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
 #endif //end def _WPA2_

 //Authentication suite
 #define OUI_AUTH_WPA_NONE           0x00 //for WPA_NONE
 #define OUI_AUTH_8021X				0x01
 #define OUI_AUTH_PSK				0x02
 //Cipher suite
 #define OUI_CIPHER_GROUP_KEY        0x00  //added by ws 05/21/04
 #define OUI_CIPHER_WEP_40			0x01
 #define OUI_CIPHER_TKIP				0x02
 #define OUI_CIPHER_CCMP				0x04
 #define OUI_CIPHER_WEP_104			0x05

 typedef struct _SUITE_SELECTOR_
 {
 	union
 	{
 		u8	Value[4];
 		struct _SUIT_
 		{
 			u8	OUI[3];
 			u8	Type;
 		}SuitSelector;
 	};
 }SUITE_SELECTOR;

 //--  WPA  --
 struct	RSN_Information_Element
 {
 	u8					Element_ID;
 	u8					Length;
 	SUITE_SELECTOR	OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01
 	u16					Version;
 	SUITE_SELECTOR		GroupKeySuite;
 	u16					PairwiseKeySuiteCount;
 	SUITE_SELECTOR		PairwiseKeySuite[1];
 }__attribute__ ((packed));
 struct RSN_Auth_Sub_Information_Element
 {
 	u16				AuthKeyMngtSuiteCount;
 	SUITE_SELECTOR	AuthKeyMngtSuite[1];
 }__attribute__ ((packed));

 //--  WPA2  --
 struct RSN_Capability_Element
 {
   union
   {
 	u16	__attribute__ ((packed))	wValue;
     #ifdef _BIG_ENDIAN_	 //20060927 add by anson's endian
     struct _RSN_Capability
     {
     	u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
 	u16   __attribute__ ((packed))  Reserved1 : 2;
 	u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 	u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 	u16   __attribute__ ((packed))  No_Pairwise : 1;
         u16   __attribute__ ((packed))  Pre_Auth : 1;
     }__attribute__ ((packed))  RSN_Capability;
     #else
     struct _RSN_Capability
     {
         u16   __attribute__ ((packed))  Pre_Auth : 1;
         u16   __attribute__ ((packed))  No_Pairwise : 1;
         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 	    u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 	    u16   __attribute__ ((packed))  Reserved1 : 2;
 	    u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
     }__attribute__ ((packed))  RSN_Capability;
     #endif

   }__attribute__ ((packed)) ;
 }__attribute__ ((packed)) ;

 #ifdef _WPA2_
 typedef struct _PMKID
 {
   u8 pValue[16];
 }PMKID;

 struct	WPA2_RSN_Information_Element
 {
 	u8					Element_ID;
 	u8					Length;
 	u16					Version;
 	SUITE_SELECTOR		GroupKeySuite;
 	u16					PairwiseKeySuiteCount;
 	SUITE_SELECTOR		PairwiseKeySuite[1];

 }__attribute__ ((packed));

 struct WPA2_RSN_Auth_Sub_Information_Element
 {
 	u16				AuthKeyMngtSuiteCount;
 	SUITE_SELECTOR	AuthKeyMngtSuite[1];
 }__attribute__ ((packed));


 struct PMKID_Information_Element
 {
 	u16				PMKID_Count;
 	PMKID pmkid [16] ;
 }__attribute__ ((packed));

 #endif //enddef _WPA2_
 //============================================================
 // MAC Frame structure (different type) and subfield structure
 //============================================================
 struct MAC_frame_control
 {
     u8    mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
     #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
     u8    order:1;
     u8    WEP:1;
     u8    more_data:1;
     u8    pwr_mgt:1;
     u8    retry:1;
     u8    more_frag:1;
     u8    from_ds:1;
     u8    to_ds:1;
     #else
     u8    to_ds:1;
     u8    from_ds:1;
     u8    more_frag:1;
     u8    retry:1;
     u8    pwr_mgt:1;
     u8    more_data:1;
     u8    WEP:1;
     u8    order:1;
     #endif
 } __attribute__ ((packed));

 struct Management_Frame {
     struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
     u16		duration;
     u8		DA[MAC_ADDR_LENGTH];			// Addr1
     u8		SA[MAC_ADDR_LENGTH];			// Addr2
     u8		BSSID[MAC_ADDR_LENGTH];			// Addr3
     u16		Sequence_Control;
     // Management Frame Body <= 325 bytes
     // FCS 4 bytes
 }__attribute__ ((packed));

 // SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
 struct Control_Frame {
     struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
     u16		duration;
     u8		RA[MAC_ADDR_LENGTH];
     u8		TA[MAC_ADDR_LENGTH];
     u16		FCS;
 }__attribute__ ((packed));

 struct Data_Frame {
     struct MAC_frame_control frame_control;
     u16		duration;
     u8		Addr1[MAC_ADDR_LENGTH];
     u8		Addr2[MAC_ADDR_LENGTH];
     u8		Addr3[MAC_ADDR_LENGTH];
     u16		Sequence_Control;
     u8		Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
     // Data Frame Body <= 2312
     // FCS
 }__attribute__ ((packed));

 struct Disassociation_Frame_Body
 {
     u16    reasonCode;
 }__attribute__ ((packed));

 struct Association_Request_Frame_Body
 {
     u16    capability_information;
     u16    listenInterval;
     u8     Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
     // SSID (2+32 bytes)
     // Supported_Rates (2+8 bytes)
 }__attribute__ ((packed));

 struct Association_Response_Frame_Body
 {
     u16    capability_information;
     u16    statusCode;
     u16    Association_ID;
     struct Supported_Rates_Element supportedRates;
 }__attribute__ ((packed));

 /*struct Reassociation_Request_Frame_Body
 {
     u16    capability_information;
     u16    listenInterval;
     u8     Current_AP_Address[MAC_ADDR_LENGTH];
     // SSID (2+32 bytes)
     // Supported_Rates (2+8 bytes)
 };*/
 // eliminated by WS 07/22/04 comboined with associateion request frame.

 struct Reassociation_Response_Frame_Body
 {
     u16    capability_information;
     u16    statusCode;
     u16    Association_ID;
     struct Supported_Rates_Element supportedRates;
 }__attribute__ ((packed));

 struct Deauthentication_Frame_Body
 {
     u16    reasonCode;
 }__attribute__ ((packed));


 struct Probe_Response_Frame_Body
 {
     u16    Timestamp;
     u16    Beacon_Interval;
     u16    Capability_Information;
     // SSID
     // Supported_Rates
     // PHY parameter Set (DS Parameters)
     // CF parameter Set
     // IBSS parameter Set
 }__attribute__ ((packed));

 struct Authentication_Frame_Body
 {
     u16    algorithmNumber;
     u16    sequenceNumber;
     u16    statusCode;
     // NB: don't include ChallengeText in this structure
 	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added
 }__attribute__ ((packed));


 #endif // _MAC_Structure_H_
	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	// MAC_Structures.h
	//
	// This file contains the definitions and data structures used by SW-MAC.
	//
	// Revision Histoy
	//=================
	// 0.1 2002 UN00
	// 0.2 20021004 PD43 CCLiu6
	// 20021018 PD43 CCLiu6
	// Add enum_TxRate type
	// Modify enum_STAState type
	// 0.3 20021023 PE23 CYLiu update MAC session struct
	// 20021108
	// 20021122 PD43 Austin
	// Deleted some unused.
	// 20021129 PD43 Austin
	// 20030617 increase the 802.11g definition
	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

	#ifndef _MAC_Structures_H_
	#define _MAC_Structures_H_

	#include <linux/skbuff.h>

	//=========================================================
	// Some miscellaneous definitions
	//-----
	#define MAX_CHANNELS 30
	#define MAC_ADDR_LENGTH 6
	#define MAX_WEP_KEY_SIZE 16 // 128 bits
	#define MAX_802_11_FRAGMENT_NUMBER 10 // By spec

	//========================================================
	// 802.11 Frame define
	//-----
	#define MASK_PROTOCOL_VERSION_TYPE 0x0F
	#define MASK_FRAGMENT_NUMBER 0x000F
	#define SEQUENCE_NUMBER_SHIFT 4
	#define DIFFER_11_TO_3 18
	#define DOT_11_MAC_HEADER_SIZE 24
	#define DOT_11_SNAP_SIZE 6
	#define DOT_11_DURATION_OFFSET 2
	#define DOT_11_SEQUENCE_OFFSET 22 //Sequence control offset
	#define DOT_11_TYPE_OFFSET 30 //The start offset of 802.11 Frame//
	#define DOT_11_DATA_OFFSET 24
	#define DOT_11_DA_OFFSET 4
	#define DOT_3_TYPE_ARP 0x80F3
	#define DOT_3_TYPE_IPX 0x8137
	#define DOT_3_TYPE_OFFSET 12


	#define ETHERNET_HEADER_SIZE 14
	#define MAX_ETHERNET_PACKET_SIZE 1514


	//----- management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
	#define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST 0x00
	#define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE 0x10
	#define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST 0x20
	#define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
	#define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST 0x40
	#define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE 0x50
	#define MAC_SUBTYPE_MNGMNT_BEACON 0x80
	#define MAC_SUBTYPE_MNGMNT_ATIM 0x90
	#define MAC_SUBTYPE_MNGMNT_DISASSOCIATION 0xA0
	#define MAC_SUBTYPE_MNGMNT_AUTHENTICATION 0xB0
	#define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0

	//----- control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
	#define MAC_SUBTYPE_CONTROL_PSPOLL 0xA4
	#define MAC_SUBTYPE_CONTROL_RTS 0xB4
	#define MAC_SUBTYPE_CONTROL_CTS 0xC4
	#define MAC_SUBTYPE_CONTROL_ACK 0xD4
	#define MAC_SUBTYPE_CONTROL_CFEND 0xE4
	#define MAC_SUBTYPE_CONTROL_CFEND_CFACK 0xF4

	//----- data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
	#define MAC_SUBTYPE_DATA 0x08
	#define MAC_SUBTYPE_DATA_CFACK 0x18
	#define MAC_SUBTYPE_DATA_CFPOLL 0x28
	#define MAC_SUBTYPE_DATA_CFACK_CFPOLL 0x38
	#define MAC_SUBTYPE_DATA_NULL 0x48
	#define MAC_SUBTYPE_DATA_CFACK_NULL 0x58
	#define MAC_SUBTYPE_DATA_CFPOLL_NULL 0x68
	#define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL 0x78

	//----- Frame Type of Bits (2, 3)
	#define MAC_TYPE_MANAGEMENT 0x00
	#define MAC_TYPE_CONTROL 0x04
	#define MAC_TYPE_DATA 0x08

	//----- definitions for Management Frame Element ID (1 BYTE)
	#define ELEMENT_ID_SSID 0
	#define ELEMENT_ID_SUPPORTED_RATES 1
	#define ELEMENT_ID_FH_PARAMETER_SET 2
	#define ELEMENT_ID_DS_PARAMETER_SET 3
	#define ELEMENT_ID_CF_PARAMETER_SET 4
	#define ELEMENT_ID_TIM 5
	#define ELEMENT_ID_IBSS_PARAMETER_SET 6
	// 7~15 reserverd
	#define ELEMENT_ID_CHALLENGE_TEXT 16
	// 17~31 reserved for challenge text extension
	// 32~255 reserved
	//-- 11G --
	#define ELEMENT_ID_ERP_INFORMATION 42
	#define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50

	//-- WPA --

	#define ELEMENT_ID_RSN_WPA 221
	#ifdef _WPA2_
	#define ELEMENT_ID_RSN_WPA2 48
	#endif //endif WPA2

	#define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT ((u16) 6)
	#define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT ((u16) 2)

	//========================================================
	typedef enum enum_PowerManagementMode
	{
	ACTIVE = 0,
	POWER_SAVE
	} WB_PM_Mode, *PWB_PM_MODE;

	//===================================================================
	// Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
	// length of ReasonCode is 2 Octs.
	//===================================================================
	#define REASON_REASERED 0
	#define REASON_UNSPECIDIED 1
	#define REASON_PREAUTH_INVALID 2
	#define DEAUTH_REASON_LEFT_BSS 3
	#define DISASS_REASON_AP_INACTIVE 4
	#define DISASS_REASON_AP_BUSY 5
	#define REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
	#define REASON_CLASS3_FRAME_FROM_NONASSO_STA 7
	#define DISASS_REASON_LEFT_BSS 8
	#define REASON_NOT_AUTH_YET 9
	//802.11i define
	#define REASON_INVALID_IE 13
	#define REASON_MIC_ERROR 14
	#define REASON_4WAY_HANDSHAKE_TIMEOUT 15
	#define REASON_GROUPKEY_UPDATE_TIMEOUT 16
	#define REASON_IE_DIFF_4WAY_ASSOC 17
	#define REASON_INVALID_MULTICAST_CIPHER 18
	#define REASON_INVALID_UNICAST_CIPHER 19
	#define REASON_INVALID_AKMP 20
	#define REASON_UNSUPPORTED_RSNIE_VERSION 21
	#define REASON_INVALID_RSNIE_CAPABILITY 22
	#define REASON_802_1X_AUTH_FAIL 23
	#define REASON_CIPHER_REJECT_PER_SEC_POLICY 14

	/*
	//===========================================================
	// enum_MMPDUResultCode --
	// Status code (2 Octs) in the MMPDU's frame body. Table.19
	//
	//===========================================================
	enum enum_MMPDUResultCode
	{
	// SUCCESS = 0, // Redefined
	UNSPECIFIED_FAILURE = 1,

	// 2 - 9 Reserved

	NOT_SUPPROT_CAPABILITIES = 10,

	//REASSOCIATION_DENIED
	//
	REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST = 11,

	//ASSOCIATION_DENIED_NOT_IN_STANDARD
	//
	ASSOC_DENIED_REASON_NOT_IN_STANDARD = 12,
	PEER_NOT_SUPPORT_AUTH_ALGORITHM = 13,
	AUTH_SEQNUM_OUT_OF_EXPECT = 14,
	AUTH_REJECT_REASON_CHALLENGE_FAIL = 15,
	AUTH_REJECT_REASON_WAIT_TIMEOUT = 16,
	ASSOC_DENIED_REASON_AP_BUSY = 17,
	ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE = 18
	} WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
	*/

	//===========================================================
	// enum_TxRate --
	// Define the transmission constants based on W89C32 MAC
	// target specification.
	//===========================================================
	typedef enum enum_TxRate
	{
	TXRATE_1M = 0,
	TXRATE_2MLONG = 2,
	TXRATE_2MSHORT = 3,
	TXRATE_55MLONG = 4,
	TXRATE_55MSHORT = 5,
	TXRATE_11MLONG = 6,
	TXRATE_11MSHORT = 7,
	TXRATE_AUTO = 255 // PD43 20021108
	} WB_TXRATE, *PWB_TXRATE;


	#define RATE_BITMAP_1M 1
	#define RATE_BITMAP_2M 2
	#define RATE_BITMAP_5dot5M 5
	#define RATE_BITMAP_6M 6
	#define RATE_BITMAP_9M 9
	#define RATE_BITMAP_11M 11
	#define RATE_BITMAP_12M 12
	#define RATE_BITMAP_18M 18
	#define RATE_BITMAP_22M 22
	#define RATE_BITMAP_24M 24
	#define RATE_BITMAP_33M 17
	#define RATE_BITMAP_36M 19
	#define RATE_BITMAP_48M 25
	#define RATE_BITMAP_54M 28

	#define RATE_AUTO 0
	#define RATE_1M 2
	#define RATE_2M 4
	#define RATE_5dot5M 11
	#define RATE_6M 12
	#define RATE_9M 18
	#define RATE_11M 22
	#define RATE_12M 24
	#define RATE_18M 36
	#define RATE_22M 44
	#define RATE_24M 48
	#define RATE_33M 66
	#define RATE_36M 72
	#define RATE_48M 96
	#define RATE_54M 108
	#define RATE_MAX 255

	//CAPABILITY
	#define CAPABILITY_ESS_BIT 0x0001
	#define CAPABILITY_IBSS_BIT 0x0002
	#define CAPABILITY_CF_POLL_BIT 0x0004
	#define CAPABILITY_CF_POLL_REQ_BIT 0x0008
	#define CAPABILITY_PRIVACY_BIT 0x0010
	#define CAPABILITY_SHORT_PREAMBLE_BIT 0x0020
	#define CAPABILITY_PBCC_BIT 0x0040
	#define CAPABILITY_CHAN_AGILITY_BIT 0x0080
	#define CAPABILITY_SHORT_SLOT_TIME_BIT 0x0400
	#define CAPABILITY_DSSS_OFDM_BIT 0x2000


	struct Capability_Information_Element
	{
	union
	{
	u16 __attribute__ ((packed)) wValue;
	#ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
	struct _Capability
	{
	//-- 11G --
	u8 Reserved3 : 2;
	u8 DSSS_OFDM : 1;
	u8 Reserved2 : 2;
	u8 Short_Slot_Time : 1;
	u8 Reserved1 : 2;
	u8 Channel_Agility : 1;
	u8 PBCC : 1;
	u8 ShortPreamble : 1;
	u8 CF_Privacy : 1;
	u8 CF_Poll_Request : 1;
	u8 CF_Pollable : 1;
	u8 IBSS : 1;
	u8 ESS : 1;
	} __attribute__ ((packed)) Capability;
	#else
	struct _Capability
	{
	u8 ESS : 1;
	u8 IBSS : 1;
	u8 CF_Pollable : 1;
	u8 CF_Poll_Request : 1;
	u8 CF_Privacy : 1;
	u8 ShortPreamble : 1;
	u8 PBCC : 1;
	u8 Channel_Agility : 1;
	u8 Reserved1 : 2;
	//-- 11G --
	u8 Short_Slot_Time : 1;
	u8 Reserved2 : 2;
	u8 DSSS_OFDM : 1;
	u8 Reserved3 : 2;
	} __attribute__ ((packed)) Capability;
	#endif
	}__attribute__ ((packed)) ;
	}__attribute__ ((packed));

	struct FH_Parameter_Set_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 Dwell_Time[2];
	u8 Hop_Set;
	u8 Hop_Pattern;
	u8 Hop_Index;
	};

	struct DS_Parameter_Set_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 Current_Channel;
	};

	struct Supported_Rates_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 SupportedRates[8];
	}__attribute__ ((packed));

	struct SSID_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 SSID[32];
	}__attribute__ ((packed)) ;

	struct CF_Parameter_Set_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 CFP_Count;
	u8 CFP_Period;
	u8 CFP_MaxDuration[2]; // in Time Units
	u8 CFP_DurRemaining[2]; // in time units
	};

	struct TIM_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 DTIM_Count;
	u8 DTIM_Period;
	u8 Bitmap_Control;
	u8 Partial_Virtual_Bitmap[251];
	};

	struct IBSS_Parameter_Set_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 ATIM_Window[2];
	};

	struct Challenge_Text_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 Challenge_Text[253];
	};

	struct PHY_Parameter_Set_Element
	{
	// int aSlotTime;
	// int aSifsTime;
	s32 aCCATime;
	s32 aRxTxTurnaroundTime;
	s32 aTxPLCPDelay;
	s32 RxPLCPDelay;
	s32 aRxTxSwitchTime;
	s32 aTxRampOntime;
	s32 aTxRampOffTime;
	s32 aTxRFDelay;
	s32 aRxRFDelay;
	s32 aAirPropagationTime;
	s32 aMACProcessingDelay;
	s32 aPreambleLength;
	s32 aPLCPHeaderLength;
	s32 aMPDUDurationFactor;
	s32 aMPDUMaxLength;
	// int aCWmin;
	// int aCWmax;
	};

	//-- 11G --
	struct ERP_Information_Element
	{
	u8 Element_ID;
	u8 Length;
	#ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
	u8 Reserved:5; //20060926 add by anson
	u8 Barker_Preamble_Mode:1;
	u8 Use_Protection:1;
	u8 NonERP_Present:1;
	#else
	u8 NonERP_Present:1;
	u8 Use_Protection:1;
	u8 Barker_Preamble_Mode:1;
	u8 Reserved:5;
	#endif
	};

	struct Extended_Supported_Rates_Element
	{
	u8 Element_ID;
	u8 Length;
	u8 ExtendedSupportedRates[255];
	}__attribute__ ((packed));

	//WPA(802.11i draft 3.0)
	#define VERSION_WPA 1
	#ifdef _WPA2_
	#define VERSION_WPA2 1
	#endif //end def _WPA2_
	#define OUI_WPA 0x00F25000 //WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
	#ifdef _WPA2_
	#define OUI_WPA2 0x00AC0F00 // for wpa2 change to 0x00ACOF04 by Ws 26/04/04
	#endif //end def _WPA2_

	#define OUI_WPA_ADDITIONAL 0x01
	#define WLAN_MIN_RSN_WPA_LENGTH 6 //added by ws 09/10/04
	#ifdef _WPA2_
	#define WLAN_MIN_RSN_WPA2_LENGTH 2 // Fix to 2 09/14/05
	#endif //end def _WPA2_

	#define oui_wpa (u32)(OUI_WPA\|OUI_WPA_ADDITIONAL)

	#define WPA_OUI_BIG ((u32) 0x01F25000)//added by ws 09/23/04
	#define WPA_OUI_LITTLE ((u32) 0x01F25001)//added by ws 09/23/04

	#define WPA_WPS_OUI cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204

	//-----WPA2-----
	#ifdef _WPA2_
	#define WPA2_OUI_BIG ((u32)0x01AC0F00)
	#define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
	#endif //end def _WPA2_

	//Authentication suite
	#define OUI_AUTH_WPA_NONE 0x00 //for WPA_NONE
	#define OUI_AUTH_8021X 0x01
	#define OUI_AUTH_PSK 0x02
	//Cipher suite
	#define OUI_CIPHER_GROUP_KEY 0x00 //added by ws 05/21/04
	#define OUI_CIPHER_WEP_40 0x01
	#define OUI_CIPHER_TKIP 0x02
	#define OUI_CIPHER_CCMP 0x04
	#define OUI_CIPHER_WEP_104 0x05

	typedef struct _SUITE_SELECTOR_
	{
	union
	{
	u8 Value[4];
	struct _SUIT_
	{
	u8 OUI[3];
	u8 Type;
	}SuitSelector;
	};
	}SUITE_SELECTOR;

	//-- WPA --
	struct RSN_Information_Element
	{
	u8 Element_ID;
	u8 Length;
	SUITE_SELECTOR OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01
	u16 Version;
	SUITE_SELECTOR GroupKeySuite;
	u16 PairwiseKeySuiteCount;
	SUITE_SELECTOR PairwiseKeySuite[1];
	}__attribute__ ((packed));
	struct RSN_Auth_Sub_Information_Element
	{
	u16 AuthKeyMngtSuiteCount;
	SUITE_SELECTOR AuthKeyMngtSuite[1];
	}__attribute__ ((packed));

	//-- WPA2 --
	struct RSN_Capability_Element
	{
	union
	{
	u16 __attribute__ ((packed)) wValue;
	#ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
	struct _RSN_Capability
	{
	u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201
	u16 __attribute__ ((packed)) Reserved1 : 2;
	u16 __attribute__ ((packed)) GTK_Replay_Counter : 2;
	u16 __attribute__ ((packed)) PTK_Replay_Counter : 2;
	u16 __attribute__ ((packed)) No_Pairwise : 1;
	u16 __attribute__ ((packed)) Pre_Auth : 1;
	}__attribute__ ((packed)) RSN_Capability;
	#else
	struct _RSN_Capability
	{
	u16 __attribute__ ((packed)) Pre_Auth : 1;
	u16 __attribute__ ((packed)) No_Pairwise : 1;
	u16 __attribute__ ((packed)) PTK_Replay_Counter : 2;
	u16 __attribute__ ((packed)) GTK_Replay_Counter : 2;
	u16 __attribute__ ((packed)) Reserved1 : 2;
	u16 __attribute__ ((packed)) Reserved2 : 8; // 20051201
	}__attribute__ ((packed)) RSN_Capability;
	#endif

	}__attribute__ ((packed)) ;
	}__attribute__ ((packed)) ;

	#ifdef _WPA2_
	typedef struct _PMKID
	{
	u8 pValue[16];
	}PMKID;

	struct WPA2_RSN_Information_Element
	{
	u8 Element_ID;
	u8 Length;
	u16 Version;
	SUITE_SELECTOR GroupKeySuite;
	u16 PairwiseKeySuiteCount;
	SUITE_SELECTOR PairwiseKeySuite[1];

	}__attribute__ ((packed));

	struct WPA2_RSN_Auth_Sub_Information_Element
	{
	u16 AuthKeyMngtSuiteCount;
	SUITE_SELECTOR AuthKeyMngtSuite[1];
	}__attribute__ ((packed));


	struct PMKID_Information_Element
	{
	u16 PMKID_Count;
	PMKID pmkid [16] ;
	}__attribute__ ((packed));

	#endif //enddef _WPA2_
	//============================================================
	// MAC Frame structure (different type) and subfield structure
	//============================================================
	struct MAC_frame_control
	{
	u8 mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
	#ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
	u8 order:1;
	u8 WEP:1;
	u8 more_data:1;
	u8 pwr_mgt:1;
	u8 retry:1;
	u8 more_frag:1;
	u8 from_ds:1;
	u8 to_ds:1;
	#else
	u8 to_ds:1;
	u8 from_ds:1;
	u8 more_frag:1;
	u8 retry:1;
	u8 pwr_mgt:1;
	u8 more_data:1;
	u8 WEP:1;
	u8 order:1;
	#endif
	} __attribute__ ((packed));

	struct Management_Frame {
	struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
	u16 duration;
	u8 DA[MAC_ADDR_LENGTH]; // Addr1
	u8 SA[MAC_ADDR_LENGTH]; // Addr2
	u8 BSSID[MAC_ADDR_LENGTH]; // Addr3
	u16 Sequence_Control;
	// Management Frame Body <= 325 bytes
	// FCS 4 bytes
	}__attribute__ ((packed));

	// SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
	struct Control_Frame {
	struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
	u16 duration;
	u8 RA[MAC_ADDR_LENGTH];
	u8 TA[MAC_ADDR_LENGTH];
	u16 FCS;
	}__attribute__ ((packed));

	struct Data_Frame {
	struct MAC_frame_control frame_control;
	u16 duration;
	u8 Addr1[MAC_ADDR_LENGTH];
	u8 Addr2[MAC_ADDR_LENGTH];
	u8 Addr3[MAC_ADDR_LENGTH];
	u16 Sequence_Control;
	u8 Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
	// Data Frame Body <= 2312
	// FCS
	}__attribute__ ((packed));

	struct Disassociation_Frame_Body
	{
	u16 reasonCode;
	}__attribute__ ((packed));

	struct Association_Request_Frame_Body
	{
	u16 capability_information;
	u16 listenInterval;
	u8 Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
	// SSID (2+32 bytes)
	// Supported_Rates (2+8 bytes)
	}__attribute__ ((packed));

	struct Association_Response_Frame_Body
	{
	u16 capability_information;
	u16 statusCode;
	u16 Association_ID;
	struct Supported_Rates_Element supportedRates;
	}__attribute__ ((packed));

	/*struct Reassociation_Request_Frame_Body
	{
	u16 capability_information;
	u16 listenInterval;
	u8 Current_AP_Address[MAC_ADDR_LENGTH];
	// SSID (2+32 bytes)
	// Supported_Rates (2+8 bytes)
	};*/
	// eliminated by WS 07/22/04 comboined with associateion request frame.

	struct Reassociation_Response_Frame_Body
	{
	u16 capability_information;
	u16 statusCode;
	u16 Association_ID;
	struct Supported_Rates_Element supportedRates;
	}__attribute__ ((packed));

	struct Deauthentication_Frame_Body
	{
	u16 reasonCode;
	}__attribute__ ((packed));


	struct Probe_Response_Frame_Body
	{
	u16 Timestamp;
	u16 Beacon_Interval;
	u16 Capability_Information;
	// SSID
	// Supported_Rates
	// PHY parameter Set (DS Parameters)
	// CF parameter Set
	// IBSS parameter Set
	}__attribute__ ((packed));

	struct Authentication_Frame_Body
	{
	u16 algorithmNumber;
	u16 sequenceNumber;
	u16 statusCode;
	// NB: don't include ChallengeText in this structure
	// struct Challenge_Text_Element sChallengeTextElement; // wkchen added
	}__attribute__ ((packed));


	#endif // _MAC_Structure_H_