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