drivers/staging/winbond/mac_structures.h

   1 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 // MAC_Structures.h
   3 //
   4 // This file contains the definitions and data structures used by SW-MAC.
   5 //
   6 // Revision Histoy
   7 //=================
   8 // 0.1      2002        UN00
   9 // 0.2      20021004    PD43 CCLiu6
  10 //          20021018    PD43 CCLiu6
  11 //                      Add enum_TxRate type
  12 //                      Modify enum_STAState type
  13 // 0.3      20021023    PE23 CYLiu update MAC session struct
  14 //          20021108
  15 //          20021122    PD43 Austin
  16 //                      Deleted some unused.
  17 //          20021129    PD43 Austin
  18 //                      20030617        increase the 802.11g definition
  19 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  20
  21 #ifndef _MAC_Structures_H_
  22 #define _MAC_Structures_H_
  23
  24 #include <linux/skbuff.h>
  25
  26 //=========================================================
  27 // Some miscellaneous definitions
  28 //-----
  29 #define MAX_CHANNELS                        30
  30 #define MAC_ADDR_LENGTH                     6
  31 #define MAX_WEP_KEY_SIZE                    16  // 128 bits
  32 #define MAX_802_11_FRAGMENT_NUMBER              10 // By spec
  33
  34 //========================================================
  35 // 802.11 Frame define
  36 //-----
  37 #define MASK_PROTOCOL_VERSION_TYPE      0x0F
  38 #define MASK_FRAGMENT_NUMBER            0x000F
  39 #define SEQUENCE_NUMBER_SHIFT           4
  40 #define DIFFER_11_TO_3                          18
  41 #define DOT_11_MAC_HEADER_SIZE          24
  42 #define DOT_11_SNAP_SIZE                        6
  43 #define DOT_11_DURATION_OFFSET          2
  44 #define DOT_11_SEQUENCE_OFFSET          22 //Sequence control offset
  45 #define DOT_11_TYPE_OFFSET                      30 //The start offset of 802.11 Frame//
  46 #define DOT_11_DATA_OFFSET          24
  47 #define DOT_11_DA_OFFSET                        4
  48 #define DOT_3_TYPE_ARP                          0x80F3
  49 #define DOT_3_TYPE_IPX                          0x8137
  50 #define DOT_3_TYPE_OFFSET                       12
  51
  52
  53 #define ETHERNET_HEADER_SIZE                    14
  54 #define MAX_ETHERNET_PACKET_SIZE                1514
  55
  56
  57 //-----  management : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
  58 #define MAC_SUBTYPE_MNGMNT_ASSOC_REQUEST    0x00
  59 #define MAC_SUBTYPE_MNGMNT_ASSOC_RESPONSE   0x10
  60 #define MAC_SUBTYPE_MNGMNT_REASSOC_REQUEST  0x20
  61 #define MAC_SUBTYPE_MNGMNT_REASSOC_RESPONSE 0x30
  62 #define MAC_SUBTYPE_MNGMNT_PROBE_REQUEST    0x40
  63 #define MAC_SUBTYPE_MNGMNT_PROBE_RESPONSE   0x50
  64 #define MAC_SUBTYPE_MNGMNT_BEACON           0x80
  65 #define MAC_SUBTYPE_MNGMNT_ATIM             0x90
  66 #define MAC_SUBTYPE_MNGMNT_DISASSOCIATION   0xA0
  67 #define MAC_SUBTYPE_MNGMNT_AUTHENTICATION   0xB0
  68 #define MAC_SUBTYPE_MNGMNT_DEAUTHENTICATION 0xC0
  69
  70 //-----  control : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
  71 #define MAC_SUBTYPE_CONTROL_PSPOLL          0xA4
  72 #define MAC_SUBTYPE_CONTROL_RTS             0xB4
  73 #define MAC_SUBTYPE_CONTROL_CTS             0xC4
  74 #define MAC_SUBTYPE_CONTROL_ACK             0xD4
  75 #define MAC_SUBTYPE_CONTROL_CFEND           0xE4
  76 #define MAC_SUBTYPE_CONTROL_CFEND_CFACK     0xF4
  77
  78 //-----  data : Type of Bits (2, 3) and Subtype of Bits (4, 5, 6, 7)
  79 #define MAC_SUBTYPE_DATA                    0x08
  80 #define MAC_SUBTYPE_DATA_CFACK              0x18
  81 #define MAC_SUBTYPE_DATA_CFPOLL             0x28
  82 #define MAC_SUBTYPE_DATA_CFACK_CFPOLL       0x38
  83 #define MAC_SUBTYPE_DATA_NULL               0x48
  84 #define MAC_SUBTYPE_DATA_CFACK_NULL         0x58
  85 #define MAC_SUBTYPE_DATA_CFPOLL_NULL        0x68
  86 #define MAC_SUBTYPE_DATA_CFACK_CFPOLL_NULL  0x78
  87
  88 //-----  Frame Type of Bits (2, 3)
  89 #define MAC_TYPE_MANAGEMENT                 0x00
  90 #define MAC_TYPE_CONTROL                    0x04
  91 #define MAC_TYPE_DATA                       0x08
  92
  93 //----- definitions for Management Frame Element ID (1 BYTE)
  94 #define ELEMENT_ID_SSID                     0
  95 #define ELEMENT_ID_SUPPORTED_RATES          1
  96 #define ELEMENT_ID_FH_PARAMETER_SET         2
  97 #define ELEMENT_ID_DS_PARAMETER_SET         3
  98 #define ELEMENT_ID_CF_PARAMETER_SET         4
  99 #define ELEMENT_ID_TIM                      5
 100 #define ELEMENT_ID_IBSS_PARAMETER_SET       6
 101 // 7~15 reserverd
 102 #define ELEMENT_ID_CHALLENGE_TEXT           16
 103 // 17~31 reserved for challenge text extension
 104 // 32~255 reserved
 105 //--  11G  --
 106 #define ELEMENT_ID_ERP_INFORMATION                      42
 107 #define ELEMENT_ID_EXTENDED_SUPPORTED_RATES 50
 108
 109 //--  WPA  --
 110
 111 #define ELEMENT_ID_RSN_WPA                                      221
 112 #ifdef _WPA2_
 113 #define ELEMENT_ID_RSN_WPA2                                 48
 114 #endif //endif WPA2
 115
 116 #define WLAN_MAX_PAIRWISE_CIPHER_SUITE_COUNT    ((u16) 6)
 117 #define WLAN_MAX_AUTH_KEY_MGT_SUITE_LIST_COUNT  ((u16) 2)
 118
 119 //===================================================================
 120 //  Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
 121 //  length of ReasonCode is 2 Octs.
 122 //===================================================================
 123 #define REASON_REASERED             0
 124 #define REASON_UNSPECIDIED          1
 125 #define REASON_PREAUTH_INVALID      2
 126 #define DEAUTH_REASON_LEFT_BSS      3
 127 #define DISASS_REASON_AP_INACTIVE   4
 128 #define DISASS_REASON_AP_BUSY       5
 129 #define REASON_CLASS2_FRAME_FROM_NONAUTH_STA    6
 130 #define REASON_CLASS3_FRAME_FROM_NONASSO_STA    7
 131 #define DISASS_REASON_LEFT_BSS      8
 132 #define REASON_NOT_AUTH_YET         9
 133 //802.11i define
 134 #define REASON_INVALID_IE                                               13
 135 #define REASON_MIC_ERROR                                                14
 136 #define REASON_4WAY_HANDSHAKE_TIMEOUT                   15
 137 #define REASON_GROUPKEY_UPDATE_TIMEOUT                  16
 138 #define REASON_IE_DIFF_4WAY_ASSOC                               17
 139 #define REASON_INVALID_MULTICAST_CIPHER                 18
 140 #define REASON_INVALID_UNICAST_CIPHER                   19
 141 #define REASON_INVALID_AKMP                                             20
 142 #define REASON_UNSUPPORTED_RSNIE_VERSION                21
 143 #define REASON_INVALID_RSNIE_CAPABILITY                 22
 144 #define REASON_802_1X_AUTH_FAIL                                 23
 145 #define REASON_CIPHER_REJECT_PER_SEC_POLICY             14
 146
 147 /*
 148 //===========================================================
 149 // enum_MMPDUResultCode --
 150 //   Status code (2 Octs) in the MMPDU's frame body. Table.19
 151 //
 152 //===========================================================
 153 enum enum_MMPDUResultCode
 154 {
 155 //    SUCCESS   = 0,      // Redefined
 156     UNSPECIFIED_FAILURE                         = 1,
 157
 158     // 2 - 9 Reserved
 159
 160     NOT_SUPPROT_CAPABILITIES                    = 10,
 161
 162     //REASSOCIATION_DENIED
 163     //
 164     REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST       = 11,
 165
 166     //ASSOCIATION_DENIED_NOT_IN_STANDARD
 167     //
 168     ASSOC_DENIED_REASON_NOT_IN_STANDARD         = 12,
 169     PEER_NOT_SUPPORT_AUTH_ALGORITHM             = 13,
 170     AUTH_SEQNUM_OUT_OF_EXPECT                   = 14,
 171     AUTH_REJECT_REASON_CHALLENGE_FAIL           = 15,
 172     AUTH_REJECT_REASON_WAIT_TIMEOUT             = 16,
 173     ASSOC_DENIED_REASON_AP_BUSY                 = 17,
 174     ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE  = 18
 175 } WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
 176 */
 177
 178 //===========================================================
 179 // enum_TxRate --
 180 //   Define the transmission constants based on W89C32 MAC
 181 //   target specification.
 182 //===========================================================
 183 typedef enum enum_TxRate
 184 {
 185     TXRATE_1M               = 0,
 186     TXRATE_2MLONG           = 2,
 187     TXRATE_2MSHORT          = 3,
 188     TXRATE_55MLONG          = 4,
 189     TXRATE_55MSHORT         = 5,
 190     TXRATE_11MLONG          = 6,
 191     TXRATE_11MSHORT         = 7,
 192     TXRATE_AUTO             = 255           // PD43 20021108
 193 } WB_TXRATE, *PWB_TXRATE;
 194
 195
 196 #define RATE_BITMAP_1M                          1
 197 #define RATE_BITMAP_2M                          2
 198 #define RATE_BITMAP_5dot5M                      5
 199 #define RATE_BITMAP_6M                          6
 200 #define RATE_BITMAP_9M                          9
 201 #define RATE_BITMAP_11M                         11
 202 #define RATE_BITMAP_12M                         12
 203 #define RATE_BITMAP_18M                         18
 204 #define RATE_BITMAP_22M                         22
 205 #define RATE_BITMAP_24M                         24
 206 #define RATE_BITMAP_33M                         17
 207 #define RATE_BITMAP_36M                         19
 208 #define RATE_BITMAP_48M                         25
 209 #define RATE_BITMAP_54M                         28
 210
 211 #define RATE_AUTO                                       0
 212 #define RATE_1M                                         2
 213 #define RATE_2M                                         4
 214 #define RATE_5dot5M                                     11
 215 #define RATE_6M                                         12
 216 #define RATE_9M                                         18
 217 #define RATE_11M                                        22
 218 #define RATE_12M                                        24
 219 #define RATE_18M                                        36
 220 #define RATE_22M                                        44
 221 #define RATE_24M                                        48
 222 #define RATE_33M                                        66
 223 #define RATE_36M                                        72
 224 #define RATE_48M                                        96
 225 #define RATE_54M                                        108
 226 #define RATE_MAX                                        255
 227
 228 //CAPABILITY
 229 #define CAPABILITY_ESS_BIT                              0x0001
 230 #define CAPABILITY_IBSS_BIT                             0x0002
 231 #define CAPABILITY_CF_POLL_BIT                  0x0004
 232 #define CAPABILITY_CF_POLL_REQ_BIT              0x0008
 233 #define CAPABILITY_PRIVACY_BIT                  0x0010
 234 #define CAPABILITY_SHORT_PREAMBLE_BIT   0x0020
 235 #define CAPABILITY_PBCC_BIT                             0x0040
 236 #define CAPABILITY_CHAN_AGILITY_BIT             0x0080
 237 #define CAPABILITY_SHORT_SLOT_TIME_BIT  0x0400
 238 #define CAPABILITY_DSSS_OFDM_BIT                0x2000
 239
 240
 241 struct Capability_Information_Element
 242 {
 243   union
 244   {
 245         u16 __attribute__ ((packed)) wValue;
 246     #ifdef _BIG_ENDIAN_  //20060926 add by anson's endian
 247     struct _Capability
 248     {
 249         //--  11G  --
 250         u8      Reserved3 : 2;
 251         u8      DSSS_OFDM : 1;
 252         u8      Reserved2 : 2;
 253         u8      Short_Slot_Time : 1;
 254         u8    Reserved1 : 2;
 255         u8    Channel_Agility : 1;
 256         u8    PBCC : 1;
 257         u8    ShortPreamble : 1;
 258         u8    CF_Privacy : 1;
 259         u8    CF_Poll_Request : 1;
 260         u8    CF_Pollable : 1;
 261         u8    IBSS : 1;
 262         u8    ESS : 1;
 263     } __attribute__ ((packed)) Capability;
 264     #else
 265     struct _Capability
 266     {
 267         u8    ESS : 1;
 268         u8    IBSS : 1;
 269         u8    CF_Pollable : 1;
 270         u8    CF_Poll_Request : 1;
 271         u8    CF_Privacy : 1;
 272         u8    ShortPreamble : 1;
 273         u8    PBCC : 1;
 274         u8    Channel_Agility : 1;
 275         u8    Reserved1 : 2;
 276                 //--  11G  --
 277                 u8      Short_Slot_Time : 1;
 278                 u8      Reserved2 : 2;
 279                 u8      DSSS_OFDM : 1;
 280                 u8      Reserved3 : 2;
 281     } __attribute__ ((packed)) Capability;
 282     #endif
 283   }__attribute__ ((packed)) ;
 284 }__attribute__ ((packed));
 285
 286 struct FH_Parameter_Set_Element
 287 {
 288     u8    Element_ID;
 289     u8    Length;
 290     u8    Dwell_Time[2];
 291     u8    Hop_Set;
 292     u8    Hop_Pattern;
 293     u8    Hop_Index;
 294 };
 295
 296 struct DS_Parameter_Set_Element
 297 {
 298     u8    Element_ID;
 299     u8    Length;
 300     u8    Current_Channel;
 301 };
 302
 303 struct Supported_Rates_Element
 304 {
 305     u8    Element_ID;
 306     u8    Length;
 307     u8    SupportedRates[8];
 308 }__attribute__ ((packed));
 309
 310 struct SSID_Element
 311 {
 312     u8    Element_ID;
 313     u8    Length;
 314     u8    SSID[32];
 315 }__attribute__ ((packed)) ;
 316
 317 struct CF_Parameter_Set_Element
 318 {
 319     u8    Element_ID;
 320     u8    Length;
 321     u8    CFP_Count;
 322     u8    CFP_Period;
 323     u8    CFP_MaxDuration[2];     // in Time Units
 324     u8    CFP_DurRemaining[2];    // in time units
 325 };
 326
 327 struct TIM_Element
 328 {
 329     u8    Element_ID;
 330     u8    Length;
 331     u8    DTIM_Count;
 332     u8    DTIM_Period;
 333     u8    Bitmap_Control;
 334     u8    Partial_Virtual_Bitmap[251];
 335 };
 336
 337 struct IBSS_Parameter_Set_Element
 338 {
 339     u8    Element_ID;
 340     u8    Length;
 341     u8    ATIM_Window[2];
 342 };
 343
 344 struct Challenge_Text_Element
 345 {
 346     u8    Element_ID;
 347     u8    Length;
 348     u8    Challenge_Text[253];
 349 };
 350
 351 struct PHY_Parameter_Set_Element
 352 {
 353 //  int     aSlotTime;
 354 //  int     aSifsTime;
 355     s32     aCCATime;
 356     s32     aRxTxTurnaroundTime;
 357     s32     aTxPLCPDelay;
 358     s32     RxPLCPDelay;
 359     s32     aRxTxSwitchTime;
 360     s32     aTxRampOntime;
 361     s32     aTxRampOffTime;
 362     s32     aTxRFDelay;
 363     s32     aRxRFDelay;
 364     s32     aAirPropagationTime;
 365     s32     aMACProcessingDelay;
 366     s32     aPreambleLength;
 367     s32     aPLCPHeaderLength;
 368     s32     aMPDUDurationFactor;
 369     s32     aMPDUMaxLength;
 370 //  int     aCWmin;
 371 //  int     aCWmax;
 372 };
 373
 374 //--  11G  --
 375 struct ERP_Information_Element
 376 {
 377     u8  Element_ID;
 378     u8  Length;
 379     #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
 380         u8      Reserved:5;   //20060926 add by anson
 381        u8       Barker_Preamble_Mode:1;
 382         u8      Use_Protection:1;
 383        u8       NonERP_Present:1;
 384     #else
 385         u8      NonERP_Present:1;
 386         u8      Use_Protection:1;
 387         u8      Barker_Preamble_Mode:1;
 388         u8      Reserved:5;
 389     #endif
 390 };
 391
 392 struct Extended_Supported_Rates_Element
 393 {
 394     u8  Element_ID;
 395     u8  Length;
 396     u8  ExtendedSupportedRates[255];
 397 }__attribute__ ((packed));
 398
 399 //WPA(802.11i draft 3.0)
 400 #define VERSION_WPA                             1
 401 #ifdef _WPA2_
 402 #define VERSION_WPA2            1
 403 #endif //end def  _WPA2_
 404 #define OUI_WPA                                 0x00F25000      //WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
 405 #ifdef _WPA2_
 406 #define OUI_WPA2                                0x00AC0F00      // for wpa2 change to 0x00ACOF04 by Ws 26/04/04
 407 #endif //end def _WPA2_
 408
 409 #define OUI_WPA_ADDITIONAL              0x01
 410 #define WLAN_MIN_RSN_WPA_LENGTH                 6 //added by ws 09/10/04
 411 #ifdef _WPA2_
 412 #define WLAN_MIN_RSN_WPA2_LENGTH                2 // Fix to 2 09/14/05
 413 #endif //end def _WPA2_
 414
 415 #define oui_wpa                  (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)
 416
 417 #define WPA_OUI_BIG    ((u32) 0x01F25000)//added by ws 09/23/04
 418 #define WPA_OUI_LITTLE  ((u32) 0x01F25001)//added by ws 09/23/04
 419
 420 #define WPA_WPS_OUI                             cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204
 421
 422 //-----WPA2-----
 423 #ifdef _WPA2_
 424 #define WPA2_OUI_BIG    ((u32)0x01AC0F00)
 425 #define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
 426 #endif //end def _WPA2_
 427
 428 //Authentication suite
 429 #define OUI_AUTH_WPA_NONE           0x00 //for WPA_NONE
 430 #define OUI_AUTH_8021X                          0x01
 431 #define OUI_AUTH_PSK                            0x02
 432 //Cipher suite
 433 #define OUI_CIPHER_GROUP_KEY        0x00  //added by ws 05/21/04
 434 #define OUI_CIPHER_WEP_40                       0x01
 435 #define OUI_CIPHER_TKIP                         0x02
 436 #define OUI_CIPHER_CCMP                         0x04
 437 #define OUI_CIPHER_WEP_104                      0x05
 438
 439 struct suite_selector
 440 {
 441         union
 442         {
 443                 u8      Value[4];
 444                 struct _SUIT_
 445                 {
 446                         u8      OUI[3];
 447                         u8      Type;
 448                 }SuitSelector;
 449         };
 450 };
 451
 452 //--  WPA  --
 453 struct  RSN_Information_Element
 454 {
 455         u8                                      Element_ID;
 456         u8                                      Length;
 457         struct suite_selector   OuiWPAAdditional; /* WPA version 2.0 additional field, and should be 00:50:F2:01 */
 458         u16                                     Version;
 459         struct suite_selector           GroupKeySuite;
 460         u16                                     PairwiseKeySuiteCount;
 461         struct suite_selector           PairwiseKeySuite[1];
 462 }__attribute__ ((packed));
 463 struct RSN_Auth_Sub_Information_Element
 464 {
 465         u16                             AuthKeyMngtSuiteCount;
 466         struct suite_selector   AuthKeyMngtSuite[1];
 467 }__attribute__ ((packed));
 468
 469 //--  WPA2  --
 470 struct RSN_Capability_Element
 471 {
 472   union
 473   {
 474         u16     __attribute__ ((packed))        wValue;
 475     #ifdef _BIG_ENDIAN_  //20060927 add by anson's endian
 476     struct _RSN_Capability
 477     {
 478         u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
 479         u16   __attribute__ ((packed))  Reserved1 : 2;
 480         u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 481         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 482         u16   __attribute__ ((packed))  No_Pairwise : 1;
 483         u16   __attribute__ ((packed))  Pre_Auth : 1;
 484     }__attribute__ ((packed))  RSN_Capability;
 485     #else
 486     struct _RSN_Capability
 487     {
 488         u16   __attribute__ ((packed))  Pre_Auth : 1;
 489         u16   __attribute__ ((packed))  No_Pairwise : 1;
 490         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 491             u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 492             u16   __attribute__ ((packed))  Reserved1 : 2;
 493             u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
 494     }__attribute__ ((packed))  RSN_Capability;
 495     #endif
 496
 497   }__attribute__ ((packed)) ;
 498 }__attribute__ ((packed)) ;
 499
 500 #ifdef _WPA2_
 501 struct pmkid
 502 {
 503   u8 pValue[16];
 504 };
 505
 506 struct  WPA2_RSN_Information_Element
 507 {
 508         u8                                      Element_ID;
 509         u8                                      Length;
 510         u16                                     Version;
 511         struct suite_selector           GroupKeySuite;
 512         u16                                     PairwiseKeySuiteCount;
 513         struct suite_selector           PairwiseKeySuite[1];
 514
 515 }__attribute__ ((packed));
 516
 517 struct WPA2_RSN_Auth_Sub_Information_Element
 518 {
 519         u16                             AuthKeyMngtSuiteCount;
 520         struct suite_selector   AuthKeyMngtSuite[1];
 521 }__attribute__ ((packed));
 522
 523
 524 struct PMKID_Information_Element
 525 {
 526         u16                             PMKID_Count;
 527         struct pmkid pmkid[16];
 528 }__attribute__ ((packed));
 529
 530 #endif //enddef _WPA2_
 531 //============================================================
 532 // MAC Frame structure (different type) and subfield structure
 533 //============================================================
 534 struct MAC_frame_control
 535 {
 536     u8    mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
 537     #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
 538     u8    order:1;
 539     u8    WEP:1;
 540     u8    more_data:1;
 541     u8    pwr_mgt:1;
 542     u8    retry:1;
 543     u8    more_frag:1;
 544     u8    from_ds:1;
 545     u8    to_ds:1;
 546     #else
 547     u8    to_ds:1;
 548     u8    from_ds:1;
 549     u8    more_frag:1;
 550     u8    retry:1;
 551     u8    pwr_mgt:1;
 552     u8    more_data:1;
 553     u8    WEP:1;
 554     u8    order:1;
 555     #endif
 556 } __attribute__ ((packed));
 557
 558 struct Management_Frame {
 559     struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
 560     u16         duration;
 561     u8          DA[MAC_ADDR_LENGTH];                    // Addr1
 562     u8          SA[MAC_ADDR_LENGTH];                    // Addr2
 563     u8          BSSID[MAC_ADDR_LENGTH];                 // Addr3
 564     u16         Sequence_Control;
 565     // Management Frame Body <= 325 bytes
 566     // FCS 4 bytes
 567 }__attribute__ ((packed));
 568
 569 // SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
 570 struct Control_Frame {
 571     struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
 572     u16         duration;
 573     u8          RA[MAC_ADDR_LENGTH];
 574     u8          TA[MAC_ADDR_LENGTH];
 575     u16         FCS;
 576 }__attribute__ ((packed));
 577
 578 struct Data_Frame {
 579     struct MAC_frame_control frame_control;
 580     u16         duration;
 581     u8          Addr1[MAC_ADDR_LENGTH];
 582     u8          Addr2[MAC_ADDR_LENGTH];
 583     u8          Addr3[MAC_ADDR_LENGTH];
 584     u16         Sequence_Control;
 585     u8          Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
 586     // Data Frame Body <= 2312
 587     // FCS
 588 }__attribute__ ((packed));
 589
 590 struct Disassociation_Frame_Body
 591 {
 592     u16    reasonCode;
 593 }__attribute__ ((packed));
 594
 595 struct Association_Request_Frame_Body
 596 {
 597     u16    capability_information;
 598     u16    listenInterval;
 599     u8     Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
 600     // SSID (2+32 bytes)
 601     // Supported_Rates (2+8 bytes)
 602 }__attribute__ ((packed));
 603
 604 struct Association_Response_Frame_Body
 605 {
 606     u16    capability_information;
 607     u16    statusCode;
 608     u16    Association_ID;
 609     struct Supported_Rates_Element supportedRates;
 610 }__attribute__ ((packed));
 611
 612 /*struct Reassociation_Request_Frame_Body
 613 {
 614     u16    capability_information;
 615     u16    listenInterval;
 616     u8     Current_AP_Address[MAC_ADDR_LENGTH];
 617     // SSID (2+32 bytes)
 618     // Supported_Rates (2+8 bytes)
 619 };*/
 620 // eliminated by WS 07/22/04 comboined with associateion request frame.
 621
 622 struct Reassociation_Response_Frame_Body
 623 {
 624     u16    capability_information;
 625     u16    statusCode;
 626     u16    Association_ID;
 627     struct Supported_Rates_Element supportedRates;
 628 }__attribute__ ((packed));
 629
 630 struct Deauthentication_Frame_Body
 631 {
 632     u16    reasonCode;
 633 }__attribute__ ((packed));
 634
 635
 636 struct Probe_Response_Frame_Body
 637 {
 638     u16    Timestamp;
 639     u16    Beacon_Interval;
 640     u16    Capability_Information;
 641     // SSID
 642     // Supported_Rates
 643     // PHY parameter Set (DS Parameters)
 644     // CF parameter Set
 645     // IBSS parameter Set
 646 }__attribute__ ((packed));
 647
 648 struct Authentication_Frame_Body
 649 {
 650     u16    algorithmNumber;
 651     u16    sequenceNumber;
 652     u16    statusCode;
 653     // NB: don't include ChallengeText in this structure
 654         // struct Challenge_Text_Element sChallengeTextElement; // wkchen added
 655 }__attribute__ ((packed));
 656
 657
 658 #endif // _MAC_Structure_H_
 659
 660