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   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 typedef enum enum_PowerManagementMode
 121 {
 122     ACTIVE = 0,
 123     POWER_SAVE
 124 } WB_PM_Mode, *PWB_PM_MODE;
 125
 126 //===================================================================
 127 //  Reason Code (Table 18): indicate the reason of DisAssoc, DeAuthen
 128 //  length of ReasonCode is 2 Octs.
 129 //===================================================================
 130 #define REASON_REASERED             0
 131 #define REASON_UNSPECIDIED          1
 132 #define REASON_PREAUTH_INVALID      2
 133 #define DEAUTH_REASON_LEFT_BSS      3
 134 #define DISASS_REASON_AP_INACTIVE   4
 135 #define DISASS_REASON_AP_BUSY       5
 136 #define REASON_CLASS2_FRAME_FROM_NONAUTH_STA    6
 137 #define REASON_CLASS3_FRAME_FROM_NONASSO_STA    7
 138 #define DISASS_REASON_LEFT_BSS      8
 139 #define REASON_NOT_AUTH_YET         9
 140 //802.11i define
 141 #define REASON_INVALID_IE                                               13
 142 #define REASON_MIC_ERROR                                                14
 143 #define REASON_4WAY_HANDSHAKE_TIMEOUT                   15
 144 #define REASON_GROUPKEY_UPDATE_TIMEOUT                  16
 145 #define REASON_IE_DIFF_4WAY_ASSOC                               17
 146 #define REASON_INVALID_MULTICAST_CIPHER                 18
 147 #define REASON_INVALID_UNICAST_CIPHER                   19
 148 #define REASON_INVALID_AKMP                                             20
 149 #define REASON_UNSUPPORTED_RSNIE_VERSION                21
 150 #define REASON_INVALID_RSNIE_CAPABILITY                 22
 151 #define REASON_802_1X_AUTH_FAIL                                 23
 152 #define REASON_CIPHER_REJECT_PER_SEC_POLICY             14
 153
 154 /*
 155 //===========================================================
 156 // enum_MMPDUResultCode --
 157 //   Status code (2 Octs) in the MMPDU's frame body. Table.19
 158 //
 159 //===========================================================
 160 enum enum_MMPDUResultCode
 161 {
 162 //    SUCCESS   = 0,      // Redefined
 163     UNSPECIFIED_FAILURE                         = 1,
 164
 165     // 2 - 9 Reserved
 166
 167     NOT_SUPPROT_CAPABILITIES                    = 10,
 168
 169     //REASSOCIATION_DENIED
 170     //
 171     REASSOC_DENIED_UNABLE_CFM_ASSOC_EXIST       = 11,
 172
 173     //ASSOCIATION_DENIED_NOT_IN_STANDARD
 174     //
 175     ASSOC_DENIED_REASON_NOT_IN_STANDARD         = 12,
 176     PEER_NOT_SUPPORT_AUTH_ALGORITHM             = 13,
 177     AUTH_SEQNUM_OUT_OF_EXPECT                   = 14,
 178     AUTH_REJECT_REASON_CHALLENGE_FAIL           = 15,
 179     AUTH_REJECT_REASON_WAIT_TIMEOUT             = 16,
 180     ASSOC_DENIED_REASON_AP_BUSY                 = 17,
 181     ASSOC_DENIED_REASON_NOT_SUPPORT_BASIC_RATE  = 18
 182 } WB_MMPDURESULTCODE, *PWB_MMPDURESULTCODE;
 183 */
 184
 185 //===========================================================
 186 // enum_TxRate --
 187 //   Define the transmission constants based on W89C32 MAC
 188 //   target specification.
 189 //===========================================================
 190 typedef enum enum_TxRate
 191 {
 192     TXRATE_1M               = 0,
 193     TXRATE_2MLONG           = 2,
 194     TXRATE_2MSHORT          = 3,
 195     TXRATE_55MLONG          = 4,
 196     TXRATE_55MSHORT         = 5,
 197     TXRATE_11MLONG          = 6,
 198     TXRATE_11MSHORT         = 7,
 199     TXRATE_AUTO             = 255           // PD43 20021108
 200 } WB_TXRATE, *PWB_TXRATE;
 201
 202
 203 #define RATE_BITMAP_1M                          1
 204 #define RATE_BITMAP_2M                          2
 205 #define RATE_BITMAP_5dot5M                      5
 206 #define RATE_BITMAP_6M                          6
 207 #define RATE_BITMAP_9M                          9
 208 #define RATE_BITMAP_11M                         11
 209 #define RATE_BITMAP_12M                         12
 210 #define RATE_BITMAP_18M                         18
 211 #define RATE_BITMAP_22M                         22
 212 #define RATE_BITMAP_24M                         24
 213 #define RATE_BITMAP_33M                         17
 214 #define RATE_BITMAP_36M                         19
 215 #define RATE_BITMAP_48M                         25
 216 #define RATE_BITMAP_54M                         28
 217
 218 #define RATE_AUTO                                       0
 219 #define RATE_1M                                         2
 220 #define RATE_2M                                         4
 221 #define RATE_5dot5M                                     11
 222 #define RATE_6M                                         12
 223 #define RATE_9M                                         18
 224 #define RATE_11M                                        22
 225 #define RATE_12M                                        24
 226 #define RATE_18M                                        36
 227 #define RATE_22M                                        44
 228 #define RATE_24M                                        48
 229 #define RATE_33M                                        66
 230 #define RATE_36M                                        72
 231 #define RATE_48M                                        96
 232 #define RATE_54M                                        108
 233 #define RATE_MAX                                        255
 234
 235 //CAPABILITY
 236 #define CAPABILITY_ESS_BIT                              0x0001
 237 #define CAPABILITY_IBSS_BIT                             0x0002
 238 #define CAPABILITY_CF_POLL_BIT                  0x0004
 239 #define CAPABILITY_CF_POLL_REQ_BIT              0x0008
 240 #define CAPABILITY_PRIVACY_BIT                  0x0010
 241 #define CAPABILITY_SHORT_PREAMBLE_BIT   0x0020
 242 #define CAPABILITY_PBCC_BIT                             0x0040
 243 #define CAPABILITY_CHAN_AGILITY_BIT             0x0080
 244 #define CAPABILITY_SHORT_SLOT_TIME_BIT  0x0400
 245 #define CAPABILITY_DSSS_OFDM_BIT                0x2000
 246
 247
 248 struct Capability_Information_Element
 249 {
 250   union
 251   {
 252         u16 __attribute__ ((packed)) wValue;
 253     #ifdef _BIG_ENDIAN_  //20060926 add by anson's endian
 254     struct _Capability
 255     {
 256         //--  11G  --
 257         u8      Reserved3 : 2;
 258         u8      DSSS_OFDM : 1;
 259         u8      Reserved2 : 2;
 260         u8      Short_Slot_Time : 1;
 261         u8    Reserved1 : 2;
 262         u8    Channel_Agility : 1;
 263         u8    PBCC : 1;
 264         u8    ShortPreamble : 1;
 265         u8    CF_Privacy : 1;
 266         u8    CF_Poll_Request : 1;
 267         u8    CF_Pollable : 1;
 268         u8    IBSS : 1;
 269         u8    ESS : 1;
 270     } __attribute__ ((packed)) Capability;
 271     #else
 272     struct _Capability
 273     {
 274         u8    ESS : 1;
 275         u8    IBSS : 1;
 276         u8    CF_Pollable : 1;
 277         u8    CF_Poll_Request : 1;
 278         u8    CF_Privacy : 1;
 279         u8    ShortPreamble : 1;
 280         u8    PBCC : 1;
 281         u8    Channel_Agility : 1;
 282         u8    Reserved1 : 2;
 283                 //--  11G  --
 284                 u8      Short_Slot_Time : 1;
 285                 u8      Reserved2 : 2;
 286                 u8      DSSS_OFDM : 1;
 287                 u8      Reserved3 : 2;
 288     } __attribute__ ((packed)) Capability;
 289     #endif
 290   }__attribute__ ((packed)) ;
 291 }__attribute__ ((packed));
 292
 293 struct FH_Parameter_Set_Element
 294 {
 295     u8    Element_ID;
 296     u8    Length;
 297     u8    Dwell_Time[2];
 298     u8    Hop_Set;
 299     u8    Hop_Pattern;
 300     u8    Hop_Index;
 301 };
 302
 303 struct DS_Parameter_Set_Element
 304 {
 305     u8    Element_ID;
 306     u8    Length;
 307     u8    Current_Channel;
 308 };
 309
 310 struct Supported_Rates_Element
 311 {
 312     u8    Element_ID;
 313     u8    Length;
 314     u8    SupportedRates[8];
 315 }__attribute__ ((packed));
 316
 317 struct SSID_Element
 318 {
 319     u8    Element_ID;
 320     u8    Length;
 321     u8    SSID[32];
 322 }__attribute__ ((packed)) ;
 323
 324 struct CF_Parameter_Set_Element
 325 {
 326     u8    Element_ID;
 327     u8    Length;
 328     u8    CFP_Count;
 329     u8    CFP_Period;
 330     u8    CFP_MaxDuration[2];     // in Time Units
 331     u8    CFP_DurRemaining[2];    // in time units
 332 };
 333
 334 struct TIM_Element
 335 {
 336     u8    Element_ID;
 337     u8    Length;
 338     u8    DTIM_Count;
 339     u8    DTIM_Period;
 340     u8    Bitmap_Control;
 341     u8    Partial_Virtual_Bitmap[251];
 342 };
 343
 344 struct IBSS_Parameter_Set_Element
 345 {
 346     u8    Element_ID;
 347     u8    Length;
 348     u8    ATIM_Window[2];
 349 };
 350
 351 struct Challenge_Text_Element
 352 {
 353     u8    Element_ID;
 354     u8    Length;
 355     u8    Challenge_Text[253];
 356 };
 357
 358 struct PHY_Parameter_Set_Element
 359 {
 360 //  int     aSlotTime;
 361 //  int     aSifsTime;
 362     s32     aCCATime;
 363     s32     aRxTxTurnaroundTime;
 364     s32     aTxPLCPDelay;
 365     s32     RxPLCPDelay;
 366     s32     aRxTxSwitchTime;
 367     s32     aTxRampOntime;
 368     s32     aTxRampOffTime;
 369     s32     aTxRFDelay;
 370     s32     aRxRFDelay;
 371     s32     aAirPropagationTime;
 372     s32     aMACProcessingDelay;
 373     s32     aPreambleLength;
 374     s32     aPLCPHeaderLength;
 375     s32     aMPDUDurationFactor;
 376     s32     aMPDUMaxLength;
 377 //  int     aCWmin;
 378 //  int     aCWmax;
 379 };
 380
 381 //--  11G  --
 382 struct ERP_Information_Element
 383 {
 384     u8  Element_ID;
 385     u8  Length;
 386     #ifdef _BIG_ENDIAN_ //20060926 add by anson's endian
 387         u8      Reserved:5;   //20060926 add by anson
 388        u8       Barker_Preamble_Mode:1;
 389         u8      Use_Protection:1;
 390        u8       NonERP_Present:1;
 391     #else
 392         u8      NonERP_Present:1;
 393         u8      Use_Protection:1;
 394         u8      Barker_Preamble_Mode:1;
 395         u8      Reserved:5;
 396     #endif
 397 };
 398
 399 struct Extended_Supported_Rates_Element
 400 {
 401     u8  Element_ID;
 402     u8  Length;
 403     u8  ExtendedSupportedRates[255];
 404 }__attribute__ ((packed));
 405
 406 //WPA(802.11i draft 3.0)
 407 #define VERSION_WPA                             1
 408 #ifdef _WPA2_
 409 #define VERSION_WPA2            1
 410 #endif //end def  _WPA2_
 411 #define OUI_WPA                                 0x00F25000      //WPA2.0 OUI=00:50:F2, the MSB is reserved for suite type
 412 #ifdef _WPA2_
 413 #define OUI_WPA2                                0x00AC0F00      // for wpa2 change to 0x00ACOF04 by Ws 26/04/04
 414 #endif //end def _WPA2_
 415
 416 #define OUI_WPA_ADDITIONAL              0x01
 417 #define WLAN_MIN_RSN_WPA_LENGTH                 6 //added by ws 09/10/04
 418 #ifdef _WPA2_
 419 #define WLAN_MIN_RSN_WPA2_LENGTH                2 // Fix to 2 09/14/05
 420 #endif //end def _WPA2_
 421
 422 #define oui_wpa                  (u32)(OUI_WPA|OUI_WPA_ADDITIONAL)
 423
 424 #define WPA_OUI_BIG    ((u32) 0x01F25000)//added by ws 09/23/04
 425 #define WPA_OUI_LITTLE  ((u32) 0x01F25001)//added by ws 09/23/04
 426
 427 #define WPA_WPS_OUI                             cpu_to_le32(0x04F25000) // 20061108 For WPS. It's little endian. Big endian is 0x0050F204
 428
 429 //-----WPA2-----
 430 #ifdef _WPA2_
 431 #define WPA2_OUI_BIG    ((u32)0x01AC0F00)
 432 #define WPA2_OUI_LITTLE ((u32)0x01AC0F01)
 433 #endif //end def _WPA2_
 434
 435 //Authentication suite
 436 #define OUI_AUTH_WPA_NONE           0x00 //for WPA_NONE
 437 #define OUI_AUTH_8021X                          0x01
 438 #define OUI_AUTH_PSK                            0x02
 439 //Cipher suite
 440 #define OUI_CIPHER_GROUP_KEY        0x00  //added by ws 05/21/04
 441 #define OUI_CIPHER_WEP_40                       0x01
 442 #define OUI_CIPHER_TKIP                         0x02
 443 #define OUI_CIPHER_CCMP                         0x04
 444 #define OUI_CIPHER_WEP_104                      0x05
 445
 446 typedef struct _SUITE_SELECTOR_
 447 {
 448         union
 449         {
 450                 u8      Value[4];
 451                 struct _SUIT_
 452                 {
 453                         u8      OUI[3];
 454                         u8      Type;
 455                 }SuitSelector;
 456         };
 457 }SUITE_SELECTOR;
 458
 459 //--  WPA  --
 460 struct  RSN_Information_Element
 461 {
 462         u8                                      Element_ID;
 463         u8                                      Length;
 464         SUITE_SELECTOR  OuiWPAAdditional;//WPA version 2.0 additional field, and should be 00:50:F2:01
 465         u16                                     Version;
 466         SUITE_SELECTOR          GroupKeySuite;
 467         u16                                     PairwiseKeySuiteCount;
 468         SUITE_SELECTOR          PairwiseKeySuite[1];
 469 }__attribute__ ((packed));
 470 struct RSN_Auth_Sub_Information_Element
 471 {
 472         u16                             AuthKeyMngtSuiteCount;
 473         SUITE_SELECTOR  AuthKeyMngtSuite[1];
 474 }__attribute__ ((packed));
 475
 476 //--  WPA2  --
 477 struct RSN_Capability_Element
 478 {
 479   union
 480   {
 481         u16     __attribute__ ((packed))        wValue;
 482     #ifdef _BIG_ENDIAN_  //20060927 add by anson's endian
 483     struct _RSN_Capability
 484     {
 485         u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
 486         u16   __attribute__ ((packed))  Reserved1 : 2;
 487         u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 488         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 489         u16   __attribute__ ((packed))  No_Pairwise : 1;
 490         u16   __attribute__ ((packed))  Pre_Auth : 1;
 491     }__attribute__ ((packed))  RSN_Capability;
 492     #else
 493     struct _RSN_Capability
 494     {
 495         u16   __attribute__ ((packed))  Pre_Auth : 1;
 496         u16   __attribute__ ((packed))  No_Pairwise : 1;
 497         u16   __attribute__ ((packed))  PTK_Replay_Counter : 2;
 498             u16   __attribute__ ((packed))  GTK_Replay_Counter : 2;
 499             u16   __attribute__ ((packed))  Reserved1 : 2;
 500             u16   __attribute__ ((packed))  Reserved2 : 8; // 20051201
 501     }__attribute__ ((packed))  RSN_Capability;
 502     #endif
 503
 504   }__attribute__ ((packed)) ;
 505 }__attribute__ ((packed)) ;
 506
 507 #ifdef _WPA2_
 508 typedef struct _PMKID
 509 {
 510   u8 pValue[16];
 511 }PMKID;
 512
 513 struct  WPA2_RSN_Information_Element
 514 {
 515         u8                                      Element_ID;
 516         u8                                      Length;
 517         u16                                     Version;
 518         SUITE_SELECTOR          GroupKeySuite;
 519         u16                                     PairwiseKeySuiteCount;
 520         SUITE_SELECTOR          PairwiseKeySuite[1];
 521
 522 }__attribute__ ((packed));
 523
 524 struct WPA2_RSN_Auth_Sub_Information_Element
 525 {
 526         u16                             AuthKeyMngtSuiteCount;
 527         SUITE_SELECTOR  AuthKeyMngtSuite[1];
 528 }__attribute__ ((packed));
 529
 530
 531 struct PMKID_Information_Element
 532 {
 533         u16                             PMKID_Count;
 534         PMKID pmkid [16] ;
 535 }__attribute__ ((packed));
 536
 537 #endif //enddef _WPA2_
 538 //============================================================
 539 // MAC Frame structure (different type) and subfield structure
 540 //============================================================
 541 struct MAC_frame_control
 542 {
 543     u8    mac_frame_info; // a combination of the [Protocol Version, Control Type, Control Subtype]
 544     #ifdef _BIG_ENDIAN_ //20060927 add by anson's endian
 545     u8    order:1;
 546     u8    WEP:1;
 547     u8    more_data:1;
 548     u8    pwr_mgt:1;
 549     u8    retry:1;
 550     u8    more_frag:1;
 551     u8    from_ds:1;
 552     u8    to_ds:1;
 553     #else
 554     u8    to_ds:1;
 555     u8    from_ds:1;
 556     u8    more_frag:1;
 557     u8    retry:1;
 558     u8    pwr_mgt:1;
 559     u8    more_data:1;
 560     u8    WEP:1;
 561     u8    order:1;
 562     #endif
 563 } __attribute__ ((packed));
 564
 565 struct Management_Frame {
 566     struct MAC_frame_control frame_control; // 2B, ToDS,FromDS,MoreFrag,MoreData,Order=0
 567     u16         duration;
 568     u8          DA[MAC_ADDR_LENGTH];                    // Addr1
 569     u8          SA[MAC_ADDR_LENGTH];                    // Addr2
 570     u8          BSSID[MAC_ADDR_LENGTH];                 // Addr3
 571     u16         Sequence_Control;
 572     // Management Frame Body <= 325 bytes
 573     // FCS 4 bytes
 574 }__attribute__ ((packed));
 575
 576 // SW-MAC don't Tx/Rx Control-Frame, HW-MAC do it.
 577 struct Control_Frame {
 578     struct MAC_frame_control frame_control; // ToDS,FromDS,MoreFrag,Retry,MoreData,WEP,Order=0
 579     u16         duration;
 580     u8          RA[MAC_ADDR_LENGTH];
 581     u8          TA[MAC_ADDR_LENGTH];
 582     u16         FCS;
 583 }__attribute__ ((packed));
 584
 585 struct Data_Frame {
 586     struct MAC_frame_control frame_control;
 587     u16         duration;
 588     u8          Addr1[MAC_ADDR_LENGTH];
 589     u8          Addr2[MAC_ADDR_LENGTH];
 590     u8          Addr3[MAC_ADDR_LENGTH];
 591     u16         Sequence_Control;
 592     u8          Addr4[MAC_ADDR_LENGTH]; // only exist when ToDS=FromDS=1
 593     // Data Frame Body <= 2312
 594     // FCS
 595 }__attribute__ ((packed));
 596
 597 struct Disassociation_Frame_Body
 598 {
 599     u16    reasonCode;
 600 }__attribute__ ((packed));
 601
 602 struct Association_Request_Frame_Body
 603 {
 604     u16    capability_information;
 605     u16    listenInterval;
 606     u8     Current_AP_Address[MAC_ADDR_LENGTH];//for reassociation only
 607     // SSID (2+32 bytes)
 608     // Supported_Rates (2+8 bytes)
 609 }__attribute__ ((packed));
 610
 611 struct Association_Response_Frame_Body
 612 {
 613     u16    capability_information;
 614     u16    statusCode;
 615     u16    Association_ID;
 616     struct Supported_Rates_Element supportedRates;
 617 }__attribute__ ((packed));
 618
 619 /*struct Reassociation_Request_Frame_Body
 620 {
 621     u16    capability_information;
 622     u16    listenInterval;
 623     u8     Current_AP_Address[MAC_ADDR_LENGTH];
 624     // SSID (2+32 bytes)
 625     // Supported_Rates (2+8 bytes)
 626 };*/
 627 // eliminated by WS 07/22/04 comboined with associateion request frame.
 628
 629 struct Reassociation_Response_Frame_Body
 630 {
 631     u16    capability_information;
 632     u16    statusCode;
 633     u16    Association_ID;
 634     struct Supported_Rates_Element supportedRates;
 635 }__attribute__ ((packed));
 636
 637 struct Deauthentication_Frame_Body
 638 {
 639     u16    reasonCode;
 640 }__attribute__ ((packed));
 641
 642
 643 struct Probe_Response_Frame_Body
 644 {
 645     u16    Timestamp;
 646     u16    Beacon_Interval;
 647     u16    Capability_Information;
 648     // SSID
 649     // Supported_Rates
 650     // PHY parameter Set (DS Parameters)
 651     // CF parameter Set
 652     // IBSS parameter Set
 653 }__attribute__ ((packed));
 654
 655 struct Authentication_Frame_Body
 656 {
 657     u16    algorithmNumber;
 658     u16    sequenceNumber;
 659     u16    statusCode;
 660     // NB: don't include ChallengeText in this structure
 661         // struct Challenge_Text_Element sChallengeTextElement; // wkchen added
 662 }__attribute__ ((packed));
 663
 664
 665 #endif // _MAC_Structure_H_
 666
 667