/*

 * 802_11Defs.h

 *

 * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.      

 * All rights reserved.      

 * 

 * This program and the accompanying materials are made available under the 

 * terms of the Eclipse Public License v1.0 or BSD License which accompanies

 * this distribution. The Eclipse Public License is available at

 * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.                                   

 *                                                                       

 * Redistribution and use in source and binary forms, with or without    

 * modification, are permitted provided that the following conditions    

 * are met:                                                              

 *                                                                       

 *  * Redistributions of source code must retain the above copyright     

 *    notice, this list of conditions and the following disclaimer.      

 *  * Redistributions in binary form must reproduce the above copyright  

 *    notice, this list of conditions and the following disclaimer in    

 *    the documentation and/or other materials provided with the         

 *    distribution.                                                      

 *  * Neither the name Texas Instruments nor the names of its            

 *    contributors may be used to endorse or promote products derived    

 *    from this software without specific prior written permission.      

 *                                                                       

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  

 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      

 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

/****************************************************************************

 *

 *   MODULE:  802_11Defs.h

 *   PURPOSE: Contains 802.11 defines/structures

 *

 ****************************************************************************/

#ifndef _802_11_INFO_DEFS_H

#define _802_11_INFO_DEFS_H

#include "tidef.h"

#include "osDot11.h"

#ifdef XCC_MODULE_INCLUDED

#include "osdot11XCC.h"

#endif

#define DOT11_OUI_LEN                       3

#define DOT11_COUNTRY_STRING_LEN            3

#define DOT11_MAX_SUPPORTED_RATES           32

/* Maximum size of beacon or probe-request information element */

#define DOT11_WSC_PROBE_REQ_MAX_LENGTH 80

typedef enum

{

    DOT11_B_MODE    = 1,

    DOT11_A_MODE    = 2,

    DOT11_G_MODE    = 3,

    DOT11_DUAL_MODE = 4,

    DOT11_N_MODE    = 5,

    DOT11_MAX_MODE

} EDot11Mode;

/* FrameControl field of the 802.11 header  */

/**/

/* bit 15    14     13     12     11     10      9     8     7-4     3-2      1-0*/

/* +-------+-----+------+-----+-------+------+------+----+---------+------+----------+*/

/* | Order | WEP | More | Pwr | Retry | More | From | To | Subtype | Type | Protocol |*/

/* |       |     | Data | Mgmt|       | Frag | DS   | DS |         |      | Version  |*/

/* +-------+-----+------+-----+-------+------+------+----+---------+------+----------+*/

/*     1      1      1     1      1       1      1     1       4       2        2*/

#define DOT11_FC_PROT_VERSION_MASK   ( 3 << 0 )

#define DOT11_FC_PROT_VERSION        ( 0 << 0 )

#define DOT11_FC_TYPE_MASK           ( 3 << 2 )

typedef enum

{

  DOT11_FC_TYPE_MGMT         = ( 0 << 2 ),

  DOT11_FC_TYPE_CTRL         = ( 1 << 2 ),

  DOT11_FC_TYPE_DATA         = ( 2 << 2 )

} dot11_Fc_Type_e;

#define DOT11_FC_SUB_MASK           ( 0x0f << 4 )

typedef enum

{

  /* Management subtypes */

  DOT11_FC_SUB_ASSOC_REQ     = (    0 << 4 ),

  DOT11_FC_SUB_ASSOC_RESP    = (    1 << 4 ),

  DOT11_FC_SUB_REASSOC_REQ   = (    2 << 4 ),

  DOT11_FC_SUB_REASSOC_RESP  = (    3 << 4 ),

  DOT11_FC_SUB_PROBE_REQ     = (    4 << 4 ),

  DOT11_FC_SUB_PROBE_RESP    = (    5 << 4 ),

  DOT11_FC_SUB_BEACON        = (    8 << 4 ),

  DOT11_FC_SUB_ATIM          = (    9 << 4 ),

  DOT11_FC_SUB_DISASSOC      = (   10 << 4 ),

  DOT11_FC_SUB_AUTH          = (   11 << 4 ),

  DOT11_FC_SUB_DEAUTH        = (   12 << 4 ),

  DOT11_FC_SUB_ACTION        = (   13 << 4 ),

  /* Control subtypes */

  DOT11_FC_SUB_BAR                    = (    8 << 4 ),

  DOT11_FC_SUB_BA                     = (    9 << 4 ),

  DOT11_FC_SUB_PS_POLL                = (   10 << 4 ),

  DOT11_FC_SUB_RTS                    = (   11 << 4 ),

  DOT11_FC_SUB_CTS                    = (   12 << 4 ),

  DOT11_FC_SUB_ACK                    = (   13 << 4 ),

  DOT11_FC_SUB_CF_END                 = (   14 << 4 ),

  DOT11_FC_SUB_CF_END_CF_ACK          = (   15 << 4 ),

  /* Data subtypes */

  DOT11_FC_SUB_DATA                   = (    0 << 4 ),

  DOT11_FC_SUB_DATA_CF_ACK            = (    1 << 4 ),

  DOT11_FC_SUB_DATA_CF_POLL           = (    2 << 4 ),

  DOT11_FC_SUB_DATA_CF_ACK_CF_POLL    = (    3 << 4 ),

  DOT11_FC_SUB_NULL_FUNCTION          = (    4 << 4 ),

  DOT11_FC_SUB_CF_ACK                 = (    5 << 4 ),

  DOT11_FC_SUB_CF_POLL                = (    6 << 4 ),

  DOT11_FC_SUB_CF_ACK_CF_POLL         = (    7 << 4 ),

  DOT11_FC_SUB_DATA_QOS               = (    8 << 4 ),

  DOT11_FC_SUB_DATA_NULL_QOS          = (   12 << 4 )

} dot11_Fc_Sub_Type_e;

#define  DOT11_FC_TYPESUBTYPE_MASK    ( DOT11_FC_TYPE_MASK | DOT11_FC_SUB_MASK )

typedef enum

{

  DOT11_FC_ASSOC_REQ           = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_ASSOC_REQ           ),

  DOT11_FC_ASSOC_RESP          = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_ASSOC_RESP          ),

  DOT11_FC_REASSOC_REQ         = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_REASSOC_REQ         ),

  DOT11_FC_REASSOC_RESP        = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_REASSOC_RESP        ),

  DOT11_FC_PROBE_REQ           = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_PROBE_REQ           ),

  DOT11_FC_PROBE_RESP          = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_PROBE_RESP          ),

  DOT11_FC_BEACON              = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_BEACON              ),

  DOT11_FC_ATIM                = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_ATIM                ),

  DOT11_FC_DISASSOC            = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_DISASSOC            ),

  DOT11_FC_AUTH                = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_AUTH                ),

  DOT11_FC_DEAUTH              = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_DEAUTH              ),

  DOT11_FC_ACTION              = ( DOT11_FC_TYPE_MGMT | DOT11_FC_SUB_ACTION              ),

  DOT11_FC_PS_POLL             = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_PS_POLL             ),

  DOT11_FC_RTS                 = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_RTS                 ),

  DOT11_FC_CTS                 = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_CTS                 ),

  DOT11_FC_ACK                 = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_ACK                 ),

  DOT11_FC_CF_END              = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_CF_END              ),

  DOT11_FC_CF_END_CF_ACK       = ( DOT11_FC_TYPE_CTRL | DOT11_FC_SUB_CF_END_CF_ACK       ),

  DOT11_FC_DATA                = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA                ),

  DOT11_FC_DATA_CF_ACK         = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA_CF_ACK         ),

  DOT11_FC_DATA_CF_POLL        = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA_CF_POLL        ),

  DOT11_FC_DATA_CF_ACK_CF_POLL = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA_CF_ACK_CF_POLL ),

  DOT11_FC_DATA_NULL_FUNCTION  = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_NULL_FUNCTION       ),

  DOT11_FC_CF_ACK              = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_CF_ACK              ),

  DOT11_FC_CF_POLL             = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_CF_POLL             ),

  DOT11_FC_CF_ACK_CF_POLL      = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_CF_ACK_CF_POLL      ),

  DOT11_FC_DATA_QOS            = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA_QOS            ),

  DOT11_FC_DATA_NULL_QOS       = ( DOT11_FC_TYPE_DATA | DOT11_FC_SUB_DATA_NULL_QOS       )

} dot11_Fc_Type_Sub_Type_e;

typedef enum

{

  DOT11_FC_TO_DS               = ( 1 << 8  ),

  DOT11_FC_FROM_DS             = ( 1 << 9  ),

  DOT11_FC_MORE_FRAG           = ( 1 << 10 ),

  DOT11_FC_RETRY               = ( 1 << 11 ),

  DOT11_FC_PWR_MGMT            = ( 1 << 12 ),

  DOT11_FC_MORE_DATA           = ( 1 << 13 ),

  DOT11_FC_WEP                 = ( 1 << 14 ),

  DOT11_FC_ORDER               = ( 1 << 15 )

} dot11_Fc_Other_e;

typedef enum

{

  DOT11_CAPABILITY_ESS               = ( 1 ),

  DOT11_CAPABILITY_IESS              = ( 1 << 1 ),

  DOT11_CAPABILITY_CF_POLLABE        = ( 1 << 2 ),

  DOT11_CAPABILITY_CF_POLL_REQ       = ( 1 << 3 ),

  DOT11_CAPABILITY_PRIVACY           = ( 1 << 4 ),

  DOT11_CAPABILITY_PREAMBLE          = ( 1 << 5 ),

  DOT11_CAPABILITY_PBCC              = ( 1 << 6 ),

  DOT11_CAPABILITY_AGILE             = ( 1 << 7 )

} dot11_Capability_e;

#define  DOT11_FC_TO_DS_SHIFT        8

#define  DOT11_FC_FROM_DS_SHIFT      9

#define  DOT11_FC_MORE_FRAG_SHIFT   10

#define  DOT11_FC_RETRY_SHIFT       11

#define  DOT11_FC_PWR_MGMT_SHIFT    12

#define  DOT11_FC_MORE_DATA_SHIFT   13

#define  DOT11_FC_WEP_SHIFT         14

#define  DOT11_FC_ORDER_SHIFT       15

#define IS_WEP_ON(fc)       ((1 << DOT11_FC_WEP_SHIFT) & (fc))

#define IS_DATA(fc)         (((DOT11_FC_TYPE_MASK) & (fc)) == DOT11_FC_TYPE_DATA)

#define IS_CTRL(fc)         (((DOT11_FC_TYPE_MASK) & (fc)) == DOT11_FC_TYPE_CTRL)

#define IS_MGMT(fc)         (((DOT11_FC_TYPE_MASK) & (fc)) == DOT11_FC_TYPE_MGMT)

#define IS_LEGACY_DATA(fc)  (((DOT11_FC_TYPESUBTYPE_MASK) & (fc)) == DOT11_FC_DATA)

#define IS_AUTH(fc)         (((DOT11_FC_AUTH) & (fc)) == DOT11_FC_AUTH)

#define IS_QOS_FRAME(fc)    ((((fc) & (DOT11_FC_TYPESUBTYPE_MASK)) == DOT11_FC_DATA_QOS)   ||   \

                             (((fc) & (DOT11_FC_TYPESUBTYPE_MASK)) == DOT11_FC_DATA_NULL_QOS) )

#define IS_HT_FRAME(fc)     ((fc) & (DOT11_FC_ORDER))

#define TUs_TO_MSECs(x)     (((x) << 10) / 1000)

#define TIME_STAMP_LEN  8

/* SequenceControl field of the 802.11 header */

/**/

/* bit    15 - 4           3 - 0*/

/* +-------------------+-----------+*/

/* |  Sequence Number  | Fragment  |*/

/* |                   |  Number   |*/

/* +-------------------+-----------+*/

/*         12                4*/

typedef enum

{

  DOT11_SC_FRAG_NUM_MASK = ( 0xf   << 0 ),

  DOT11_SC_SEQ_NUM_MASK  = ( 0xfff << 4 )

} dot11_Sc_t;

/* QoS Control field of the 802.11 header */

#define DOT11_QOS_CONTROL_FIELD_TID_BITS    0x000f

#define DOT11_QOS_CONTROL_FIELD_A_MSDU_BITS 0x0080

#define DOT11_QOS_CONTROL_ACK        0x0000

#define DOT11_QOS_CONTROL_DONT_ACK   0x0020

typedef struct

{

  TI_UINT16        fc;

  TI_UINT16        duration;

  TMacAddr         address1;

  TMacAddr         address2;

  TMacAddr         address3;

  TI_UINT16        seqCtrl;

  TI_UINT16        qosControl;

/*  TMacAddr    address4;*/

}  dot11_header_t;

typedef struct

{

  TI_UINT16        fc;

  TI_UINT16        duration;

  TMacAddr         address1;

  TMacAddr         address2;

  TMacAddr         address3;

  TI_UINT16        seqCtrl;

} legacy_dot11_header_t;

typedef struct

{

  TI_UINT16        fc;

  TI_UINT16        duration;

  TMacAddr         DA;

  TMacAddr         SA;

  TMacAddr         BSSID;

  TI_UINT16        seqCtrl;

} dot11_mgmtHeader_t;

typedef struct

{

  TI_UINT8     DSAP;

  TI_UINT8     SSAP;

  TI_UINT8     Control;

  TI_UINT8     OUI[3];

  TI_UINT16    Type;

} Wlan_LlcHeader_T;

typedef struct

{

  TI_UINT16        fc;

  TI_UINT16        AID;

  TMacAddr         BSSID;

  TMacAddr         TA;

} dot11_PsPollFrameHeader_t;

typedef struct

{

  TI_UINT16        fc;

  TI_UINT16        duration;

  TMacAddr         RA;

  TMacAddr         TA;

} dot11_BarFrameHeader_t;

#define FCS_SIZE    4

#define WLAN_HDR_LEN                            24

#define WLAN_HT_HDR_LEN                         28

#define WLAN_QOS_HDR_LEN                        26

#define WLAN_QOS_HT_HDR_LEN                     30

#define WLAN_QOS_HT_CONTROL_FIELD_LEN           4

#define WLAN_SNAP_HDR_LEN                       8

#define WLAN_WITH_SNAP_HEADER_MAX_SIZE          (WLAN_HDR_LEN + WLAN_SNAP_HDR_LEN)

#define WLAN_WITH_SNAP_QOS_HEADER_MAX_SIZE      (WLAN_QOS_HDR_LEN + WLAN_SNAP_HDR_LEN)

#define HT_CONTROL_SIZE							4

#define GET_MAX_HEADER_SIZE(macHeaderPointer,headerSize)    \

    if (IS_QOS_FRAME(*(TI_UINT16*)(macHeaderPointer)))      \

    {\

       if (IS_HT_FRAME(*(TI_UINT16*)(macHeaderPointer)))    \

           *headerSize = WLAN_QOS_HT_HDR_LEN;               \

       else                                                 \

           *headerSize = WLAN_QOS_HDR_LEN;                  \

     }\

     else                                                   \

     {\

       if (IS_HT_FRAME(*(TI_UINT16*)(macHeaderPointer)))    \

           *headerSize = WLAN_HT_HDR_LEN;                   \

       else                                                 \

           *headerSize = WLAN_HDR_LEN;                      \

     }

/****************************************************************************************

    The next table is defined in 802.11 spec section 7.2.2 for the address field contents :

    To DS   From DS     Address 1    Address 2  Address 3    Address 4

    -------------------------------------------------------------------

    0           0           DA          SA          BSSID       N/A

    0           1           DA          BSSID       SA          N/A

    1           0           BSSID       SA          DA          N/A

    1           1           RA          TA          DA          SA         

NOTE: We only support packets coming from within the DS (i.e. From DS = 0)

*****************************************************************************************/

/* return the destination address used in *dot11_header_t */

#define GET_DA_FROM_DOT11_HEADER_T(pDot11Hdr)   ((pDot11Hdr->fc & DOT11_FC_TO_DS) ? (pDot11Hdr->address3) : (pDot11Hdr->address1)) 

/*

 * MANAGEMENT

 * -----------------

 */

/* mgmt body max length */

#define MAX_MGMT_BODY_LENGTH                2312

/* maximal length of beacon body - note that actual beacons may actually be longer

   than this size, at least according to the spec, but so far no larger beacon was seen */

#define MAX_BEACON_BODY_LENGTH              350

/* general mgmt frame structure */

typedef struct

{

    dot11_mgmtHeader_t  hdr;

    TI_UINT8                body[MAX_MGMT_BODY_LENGTH];

} dot11_mgmtFrame_t;

/* Capabilities Information Field - IN THE AIR */

/**/

/*  bit  15      14       13         12        11         10      9      8      7   -   0*/

/* +----------+------+----------+---------+----------+---------+------+-----+---------------+*/

/* |  Channel |      |  Short   | Privacy | CF Poll  |   CF    |      |     |   RESERVED    |   */

/* |  Agility | PBCC | Preamble |         | Request  | Pollable| IBSS | ESS |               |*/

/* +----------+------+----------+---------+----------+---------+------+-----+---------------+   */

/*       1        1       1          1         1          1       1      1*/

/* Capabilities Information Field - IN THE MGMT SOFTWARE AFTER THE SWAP */

/**/

/* bit 15 - 8         7        6       5          4         3          2       1      0*/

/* +------------+----------+------+----------+---------+----------+---------+------+-----+*/

/* |            |  Channel |      |  Short   | Privacy | CF Poll  |   CF    |      |     |*/

/* |  Reserved  |  Agility | PBCC | Preamble |         | Request  | Pollable| IBSS | ESS |*/

/* +------------+----------+------+----------+---------+----------+---------+------+-----+*/

/*       8            1        1       1          1         1          1       1      1*/

typedef enum

{ 

  DOT11_CAPS_ESS             = ( 1 << 0 ),

  DOT11_CAPS_IBSS            = ( 1 << 1 ),

  DOT11_CAPS_CF_POLLABLE     = ( 1 << 2 ),

  DOT11_CAPS_CF_POLL_REQUEST = ( 1 << 3 ),

  DOT11_CAPS_PRIVACY         = ( 1 << 4 ),

  DOT11_CAPS_SHORT_PREAMBLE  = ( 1 << 5 ),

  DOT11_CAPS_PBCC            = ( 1 << 6 ),

  DOT11_CAPS_CHANNEL_AGILITY = ( 1 << 7 ),

  DOT11_SPECTRUM_MANAGEMENT  = ( 1 << 8 ),

  DOT11_CAPS_QOS_SUPPORTED   = ( 1 << 9 ),

  DOT11_CAPS_SHORT_SLOT_TIME = (1  << 10),

  DOT11_CAPS_APSD_SUPPORT    = ( 1 << 11),

  DOT11_CAPS_DELAYED_BA      = ( 1 << 14),

  DOT11_CAPS_IMMEDIATE_BA    = ( 1 << 15)

} dot11_capabilities_e;

typedef enum 

{

    /* ESS */

    CAP_ESS_MASK            = 1,

    CAP_ESS_SHIFT           = 0,

    /* IBSS */

    CAP_IBSS_MASK           = 1,

    CAP_IBSS_SHIFT          = 1,

    /* CF Pollable */

    CAP_CF_POLL_MASK        = 1,

    CAP_CF_POLL_SHIFT       = 2,

    /* CF Poll request */

    CAP_CF_REQ_MASK         = 1,

    CAP_CF_REQ_SHIFT        = 3,

    /* Privacy */

    CAP_PRIVACY_MASK        = 1,

    CAP_PRIVACY_SHIFT       = 4,

    /* Short Preamble*/

    CAP_PREAMBLE_MASK       = 1,

    CAP_PREAMBLE_SHIFT      = 5,

    /* PBCC */

    CAP_PBCC_MASK           = 1,

    CAP_PBCC_SHIFT          = 6,

    /* Agile */

    CAP_AGILE_MASK          = 1,

    CAP_AGILE_SHIFT         = 7,

    /* Slot time */

    CAP_SLOT_TIME_MASK      = 1,

    CAP_SLOT_TIME_SHIFT     = 10,

    /* APSD */

    CAP_APSD_MASK           = 1,

    CAP_APSD_SHIFT          = 11

} wdrv_mgmtCapabilities_e;

/*

 * 802.11 Information elements

 * ---------------------------

 */

typedef TI_UINT8 dot11_eleHdr_t[2];  /* Byte-0: IE-ID,  Byte-1: IE-Length  */

/* fixed fields lengths, except of currentAP & timestamp*/

#define FIX_FIELD_LEN       2

/* SSID Information Element */

#define DOT11_SSID_ELE_ID   0

/* Max SSID length */

#define DOT11_SSID_MAX_LEN  32

typedef struct 

{

  dot11_eleHdr_t    hdr;

  char              serviceSetId[DOT11_SSID_MAX_LEN];

}  dot11_SSID_t;

/* Supportted rates Information Element */

#define DOT11_SUPPORTED_RATES_ELE_ID        1

#define DOT11_EXT_SUPPORTED_RATES_ELE_ID        50

typedef struct 

{

  dot11_eleHdr_t hdr;

  TI_UINT8 rates[DOT11_MAX_SUPPORTED_RATES];

}  dot11_RATES_t;

#define ERP_IE_NON_ERP_PRESENT_MASK         0x1

#define ERP_IE_USE_PROTECTION_MASK          0x2

#define ERP_IE_BARKER_PREAMBLE_MODE_MASK    0x4

#define DOT11_ERP_IE_ID 42

typedef struct

{

    dot11_eleHdr_t  hdr;

    TI_UINT8           ctrl;

}  dot11_ERP_t;

/* RSN Information Element */

#define MAX_RSN_IE                          3

#define DOT11_RSN_MAX                       255 

typedef struct 

{

  dot11_eleHdr_t hdr;

  TI_UINT8 rsnIeData[DOT11_RSN_MAX];

}  dot11_RSN_t;

/* General definitions needed by rsn.c */

#define IV_FIELD_SIZE   4 

#define ICV_FIELD_SIZE  4

#define MIC_FIELD_SIZE  8 

#define EIV_FIELD_SIZE  4

#ifdef GEM_SUPPORT

    #define GEM_KEY_IDX_FIELD_SIZE   1

    #define GEM_RESERVED_FIELD_SIZE  1

    #define GEM_PN_FIELD_SIZE   16

    #define GEM_MIC_FIELD_SIZE  16

#endif

#define WEP_AFTER_HEADER_FIELD_SIZE  IV_FIELD_SIZE

#define TKIP_AFTER_HEADER_FIELD_SIZE (IV_FIELD_SIZE + EIV_FIELD_SIZE)

#define AES_AFTER_HEADER_FIELD_SIZE  8

#ifdef GEM_SUPPORT

    #define GEM_AFTER_HEADER_FIELD_SIZE (GEM_KEY_IDX_FIELD_SIZE + GEM_RESERVED_FIELD_SIZE + GEM_PN_FIELD_SIZE)

    #define GEM_AFTER_HEADER_PAD    2

    #define GEM_BUFFER_ALIGNMENT    2

#endif

/* DS params Information Element */

#define DOT11_DS_PARAMS_ELE_ID      3

#define DOT11_DS_PARAMS_ELE_LEN     1

typedef struct