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   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26
  27         Module Name:
  28         mlme.h
  29
  30         Abstract:
  31
  32         Revision History:
  33         Who                     When                    What
  34         --------        ----------              ----------------------------------------------
  35         John Chang      2003-08-28              Created
  36         John Chang  2004-09-06      modified for RT2600
  37
  38 */
  39 #ifndef __MLME_H__
  40 #define __MLME_H__
  41
  42 //extern UCHAR BROADCAST_ADDR[];
  43
  44 // maximum supported capability information -
  45 // ESS, IBSS, Privacy, Short Preamble, Spectrum mgmt, Short Slot
  46 #define SUPPORTED_CAPABILITY_INFO   0x0533
  47
  48 #define END_OF_ARGS                 -1
  49 #define LFSR_MASK                   0x80000057
  50 #define MLME_TASK_EXEC_INTV         100/*200*/       //
  51 #define LEAD_TIME                   5
  52 #define MLME_TASK_EXEC_MULTIPLE       10  /*5*/       // MLME_TASK_EXEC_MULTIPLE * MLME_TASK_EXEC_INTV = 1 sec
  53 #define REORDER_EXEC_INTV               100       // 0.1 sec
  54 //#define TBTT_PRELOAD_TIME         384        // usec. LomgPreamble + 24-byte at 1Mbps
  55
  56 // The definition of Radar detection duration region
  57 #define CE              0
  58 #define FCC             1
  59 #define JAP             2
  60 #define JAP_W53 3
  61 #define JAP_W56 4
  62 #define MAX_RD_REGION 5
  63
  64 #ifdef  NDIS51_MINIPORT
  65 #define BEACON_LOST_TIME            4000       // 2048 msec = 2 sec
  66 #else
  67 #define BEACON_LOST_TIME            4 * OS_HZ    // 2048 msec = 2 sec
  68 #endif
  69
  70 #define DLS_TIMEOUT                 1200      // unit: msec
  71 #define AUTH_TIMEOUT                300       // unit: msec
  72 #define ASSOC_TIMEOUT               300       // unit: msec
  73 #define JOIN_TIMEOUT                2 * OS_HZ      // unit: msec
  74 #define SHORT_CHANNEL_TIME          90        // unit: msec
  75 #define MIN_CHANNEL_TIME            110        // unit: msec, for dual band scan
  76 #define MAX_CHANNEL_TIME            140       // unit: msec, for single band scan
  77 #define FAST_ACTIVE_SCAN_TIME       30            // Active scan waiting for probe response time
  78 #define CW_MIN_IN_BITS              4         // actual CwMin = 2^CW_MIN_IN_BITS - 1
  79
  80
  81 #ifdef CONFIG_STA_SUPPORT
  82 #ifndef CONFIG_AP_SUPPORT
  83 #define CW_MAX_IN_BITS              10        // actual CwMax = 2^CW_MAX_IN_BITS - 1
  84 #endif
  85 #endif // CONFIG_STA_SUPPORT //
  86
  87 #ifdef CONFIG_APSTA_MIXED_SUPPORT
  88 extern UINT32 CW_MAX_IN_BITS;
  89 #endif // CONFIG_APSTA_MIXED_SUPPORT //
  90
  91 // Note: RSSI_TO_DBM_OFFSET has been changed to variable for new RF (2004-0720).
  92 // SHould not refer to this constant anymore
  93 //#define RSSI_TO_DBM_OFFSET          120 // for RT2530 RSSI-115 = dBm
  94 #define RSSI_FOR_MID_TX_POWER       -55  // -55 db is considered mid-distance
  95 #define RSSI_FOR_LOW_TX_POWER       -45  // -45 db is considered very short distance and
  96                                         // eligible to use a lower TX power
  97 #define RSSI_FOR_LOWEST_TX_POWER    -30
  98 //#define MID_TX_POWER_DELTA          0   // 0 db from full TX power upon mid-distance to AP
  99 #define LOW_TX_POWER_DELTA          6    // -3 db from full TX power upon very short distance. 1 grade is 0.5 db
 100 #define LOWEST_TX_POWER_DELTA       16   // -8 db from full TX power upon shortest distance. 1 grade is 0.5 db
 101
 102 #define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD     0
 103 #define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD   1
 104 #define RSSI_THRESHOLD_FOR_ROAMING              25
 105 #define RSSI_DELTA                              5
 106
 107 // Channel Quality Indication
 108 #define CQI_IS_GOOD(cqi)            ((cqi) >= 50)
 109 //#define CQI_IS_FAIR(cqi)          (((cqi) >= 20) && ((cqi) < 50))
 110 #define CQI_IS_POOR(cqi)            (cqi < 50)  //(((cqi) >= 5) && ((cqi) < 20))
 111 #define CQI_IS_BAD(cqi)             (cqi < 5)
 112 #define CQI_IS_DEAD(cqi)            (cqi == 0)
 113
 114 // weighting factor to calculate Channel quality, total should be 100%
 115 #define RSSI_WEIGHTING                   50
 116 #define TX_WEIGHTING                     30
 117 #define RX_WEIGHTING                     20
 118
 119 //#define PEER_KEY_NOT_USED                0
 120 //#define PEER_KEY_64_BIT                  64
 121 //#define PEER_KEY_128_BIT                 128
 122
 123 //#define PEER_KEY_64BIT_LEN               8
 124 //#define PEER_KEY_128BIT_LEN              16
 125
 126 #define BSS_NOT_FOUND                    0xFFFFFFFF
 127
 128
 129 #ifdef CONFIG_STA_SUPPORT
 130 #define MAX_LEN_OF_MLME_QUEUE            40 //10
 131 #endif // CONFIG_STA_SUPPORT //
 132
 133 #define SCAN_PASSIVE                     18             // scan with no probe request, only wait beacon and probe response
 134 #define SCAN_ACTIVE                      19             // scan with probe request, and wait beacon and probe response
 135 #define SCAN_CISCO_PASSIVE                               20             // Single channel passive scan
 136 #define SCAN_CISCO_ACTIVE                                21             // Single channel active scan
 137 #define SCAN_CISCO_NOISE                                 22             // Single channel passive scan for noise histogram collection
 138 #define SCAN_CISCO_CHANNEL_LOAD                  23             // Single channel passive scan for channel load collection
 139 #define FAST_SCAN_ACTIVE                 24             // scan with probe request, and wait beacon and probe response
 140
 141 #ifdef DOT11N_DRAFT3
 142 #define SCAN_2040_BSS_COEXIST                  26
 143 #endif // DOT11N_DRAFT3 //
 144
 145 //#define BSS_TABLE_EMPTY(x)             ((x).BssNr == 0)
 146 #define MAC_ADDR_IS_GROUP(Addr)       (((Addr[0]) & 0x01))
 147 #define MAC_ADDR_HASH(Addr)            (Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
 148 #define MAC_ADDR_HASH_INDEX(Addr)      (MAC_ADDR_HASH(Addr) % HASH_TABLE_SIZE)
 149 #define TID_MAC_HASH(Addr,TID)            (TID^Addr[0] ^ Addr[1] ^ Addr[2] ^ Addr[3] ^ Addr[4] ^ Addr[5])
 150 #define TID_MAC_HASH_INDEX(Addr,TID)      (TID_MAC_HASH(Addr,TID) % HASH_TABLE_SIZE)
 151
 152 // LED Control
 153 // assoiation ON. one LED ON. another blinking when TX, OFF when idle
 154 // no association, both LED off
 155 #define ASIC_LED_ACT_ON(pAd)        RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00031e46)
 156 #define ASIC_LED_ACT_OFF(pAd)       RTMP_IO_WRITE32(pAd, MAC_CSR14, 0x00001e46)
 157
 158 // bit definition of the 2-byte pBEACON->Capability field
 159 #define CAP_IS_ESS_ON(x)                 (((x) & 0x0001) != 0)
 160 #define CAP_IS_IBSS_ON(x)                (((x) & 0x0002) != 0)
 161 #define CAP_IS_CF_POLLABLE_ON(x)         (((x) & 0x0004) != 0)
 162 #define CAP_IS_CF_POLL_REQ_ON(x)         (((x) & 0x0008) != 0)
 163 #define CAP_IS_PRIVACY_ON(x)             (((x) & 0x0010) != 0)
 164 #define CAP_IS_SHORT_PREAMBLE_ON(x)      (((x) & 0x0020) != 0)
 165 #define CAP_IS_PBCC_ON(x)                (((x) & 0x0040) != 0)
 166 #define CAP_IS_AGILITY_ON(x)             (((x) & 0x0080) != 0)
 167 #define CAP_IS_SPECTRUM_MGMT(x)          (((x) & 0x0100) != 0)  // 802.11e d9
 168 #define CAP_IS_QOS(x)                    (((x) & 0x0200) != 0)  // 802.11e d9
 169 #define CAP_IS_SHORT_SLOT(x)             (((x) & 0x0400) != 0)
 170 #define CAP_IS_APSD(x)                   (((x) & 0x0800) != 0)  // 802.11e d9
 171 #define CAP_IS_IMMED_BA(x)               (((x) & 0x1000) != 0)  // 802.11e d9
 172 #define CAP_IS_DSSS_OFDM(x)              (((x) & 0x2000) != 0)
 173 #define CAP_IS_DELAY_BA(x)               (((x) & 0x4000) != 0)  // 802.11e d9
 174
 175 #define CAP_GENERATE(ess,ibss,priv,s_pre,s_slot,spectrum)  (((ess) ? 0x0001 : 0x0000) | ((ibss) ? 0x0002 : 0x0000) | ((priv) ? 0x0010 : 0x0000) | ((s_pre) ? 0x0020 : 0x0000) | ((s_slot) ? 0x0400 : 0x0000) | ((spectrum) ? 0x0100 : 0x0000))
 176
 177 //#define STA_QOS_CAPABILITY               0 // 1-byte. see 802.11e d9.0 for bit definition
 178
 179 #define ERP_IS_NON_ERP_PRESENT(x)        (((x) & 0x01) != 0)    // 802.11g
 180 #define ERP_IS_USE_PROTECTION(x)         (((x) & 0x02) != 0)    // 802.11g
 181 #define ERP_IS_USE_BARKER_PREAMBLE(x)    (((x) & 0x04) != 0)    // 802.11g
 182
 183 #define DRS_TX_QUALITY_WORST_BOUND       8// 3  // just test by gary
 184 #define DRS_PENALTY                      8
 185
 186 #define BA_NOTUSE       2
 187 //BA Policy subfiled value in ADDBA frame
 188 #define IMMED_BA        1
 189 #define DELAY_BA        0
 190
 191 // BA Initiator subfield in DELBA frame
 192 #define ORIGINATOR      1
 193 #define RECIPIENT       0
 194
 195 // ADDBA Status Code
 196 #define ADDBA_RESULTCODE_SUCCESS                                        0
 197 #define ADDBA_RESULTCODE_REFUSED                                        37
 198 #define ADDBA_RESULTCODE_INVALID_PARAMETERS                     38
 199
 200 // DELBA Reason Code
 201 #define DELBA_REASONCODE_QSTA_LEAVING                           36
 202 #define DELBA_REASONCODE_END_BA                                         37
 203 #define DELBA_REASONCODE_UNKNOWN_BA                                     38
 204 #define DELBA_REASONCODE_TIMEOUT                                        39
 205
 206 // reset all OneSecTx counters
 207 #define RESET_ONE_SEC_TX_CNT(__pEntry) \
 208 if (((__pEntry)) != NULL) \
 209 { \
 210         (__pEntry)->OneSecTxRetryOkCount = 0; \
 211         (__pEntry)->OneSecTxFailCount = 0; \
 212         (__pEntry)->OneSecTxNoRetryOkCount = 0; \
 213 }
 214
 215 //
 216 // 802.11 frame formats
 217 //
 218 //  HT Capability INFO field in HT Cap IE .
 219 typedef struct PACKED {
 220 #ifdef RT_BIG_ENDIAN
 221         USHORT  LSIGTxopProSup:1;
 222         USHORT  Forty_Mhz_Intolerant:1;
 223         USHORT  PSMP:1;
 224         USHORT  CCKmodein40:1;
 225         USHORT  AMsduSize:1;
 226         USHORT  DelayedBA:1;    //rt2860c not support
 227         USHORT  RxSTBC:2;
 228         USHORT  TxSTBC:1;
 229         USHORT  ShortGIfor40:1; //for40MHz
 230         USHORT  ShortGIfor20:1;
 231         USHORT  GF:1;   //green field
 232         USHORT  MimoPs:2;//momi power safe
 233         USHORT  ChannelWidth:1;
 234         USHORT  AdvCoding:1;
 235 #else
 236         USHORT  AdvCoding:1;
 237         USHORT  ChannelWidth:1;
 238         USHORT  MimoPs:2;//momi power safe
 239         USHORT  GF:1;   //green field
 240         USHORT  ShortGIfor20:1;
 241         USHORT  ShortGIfor40:1; //for40MHz
 242         USHORT  TxSTBC:1;
 243         USHORT  RxSTBC:2;
 244         USHORT  DelayedBA:1;    //rt2860c not support
 245         USHORT  AMsduSize:1;    // only support as zero
 246         USHORT  CCKmodein40:1;
 247         USHORT  PSMP:1;
 248         USHORT  Forty_Mhz_Intolerant:1;
 249         USHORT  LSIGTxopProSup:1;
 250 #endif  /* !RT_BIG_ENDIAN */
 251 } HT_CAP_INFO, *PHT_CAP_INFO;
 252
 253 //  HT Capability INFO field in HT Cap IE .
 254 typedef struct PACKED {
 255 #ifdef RT_BIG_ENDIAN
 256         UCHAR   rsv:3;//momi power safe
 257         UCHAR   MpduDensity:3;
 258         UCHAR   MaxRAmpduFactor:2;
 259 #else
 260         UCHAR   MaxRAmpduFactor:2;
 261         UCHAR   MpduDensity:3;
 262         UCHAR   rsv:3;//momi power safe
 263 #endif /* !RT_BIG_ENDIAN */
 264 } HT_CAP_PARM, *PHT_CAP_PARM;
 265
 266 //  HT Capability INFO field in HT Cap IE .
 267 typedef struct PACKED {
 268         UCHAR   MCSSet[10];
 269         UCHAR   SupRate[2];  // unit : 1Mbps
 270 #ifdef RT_BIG_ENDIAN
 271         UCHAR   rsv:3;
 272         UCHAR   MpduDensity:1;
 273         UCHAR   TxStream:2;
 274         UCHAR   TxRxNotEqual:1;
 275         UCHAR   TxMCSSetDefined:1;
 276 #else
 277         UCHAR   TxMCSSetDefined:1;
 278         UCHAR   TxRxNotEqual:1;
 279         UCHAR   TxStream:2;
 280         UCHAR   MpduDensity:1;
 281         UCHAR   rsv:3;
 282 #endif // RT_BIG_ENDIAN //
 283         UCHAR   rsv3[3];
 284 } HT_MCS_SET, *PHT_MCS_SET;
 285
 286 //  HT Capability INFO field in HT Cap IE .
 287 typedef struct PACKED {
 288 #ifdef RT_BIG_ENDIAN
 289         USHORT  rsv2:4;
 290         USHORT  RDGSupport:1;   //reverse Direction Grant  support
 291         USHORT  PlusHTC:1;      //+HTC control field support
 292         USHORT  MCSFeedback:2;  //0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback,  1:rsv.
 293         USHORT  rsv:5;//momi power safe
 294         USHORT  TranTime:2;
 295         USHORT  Pco:1;
 296 #else
 297         USHORT  Pco:1;
 298         USHORT  TranTime:2;
 299         USHORT  rsv:5;//momi power safe
 300         USHORT  MCSFeedback:2;  //0:no MCS feedback, 2:unsolicited MCS feedback, 3:Full MCS feedback,  1:rsv.
 301         USHORT  PlusHTC:1;      //+HTC control field support
 302         USHORT  RDGSupport:1;   //reverse Direction Grant  support
 303         USHORT  rsv2:4;
 304 #endif /* RT_BIG_ENDIAN */
 305 } EXT_HT_CAP_INFO, *PEXT_HT_CAP_INFO;
 306
 307 //  HT Beamforming field in HT Cap IE .
 308 typedef struct PACKED _HT_BF_CAP{
 309 #ifdef RT_BIG_ENDIAN
 310         ULONG   rsv:3;
 311         ULONG   ChanEstimation:2;
 312         ULONG   CSIRowBFSup:2;
 313         ULONG   ComSteerBFAntSup:2;
 314         ULONG   NoComSteerBFAntSup:2;
 315         ULONG   CSIBFAntSup:2;
 316         ULONG   MinGrouping:2;
 317         ULONG   ExpComBF:2;
 318         ULONG   ExpNoComBF:2;
 319         ULONG   ExpCSIFbk:2;
 320         ULONG   ExpComSteerCapable:1;
 321         ULONG   ExpNoComSteerCapable:1;
 322         ULONG   ExpCSICapable:1;
 323         ULONG   Calibration:2;
 324         ULONG   ImpTxBFCapable:1;
 325         ULONG   TxNDPCapable:1;
 326         ULONG   RxNDPCapable:1;
 327         ULONG   TxSoundCapable:1;
 328         ULONG   RxSoundCapable:1;
 329         ULONG   TxBFRecCapable:1;
 330 #else
 331         ULONG   TxBFRecCapable:1;
 332         ULONG   RxSoundCapable:1;
 333         ULONG   TxSoundCapable:1;
 334         ULONG   RxNDPCapable:1;
 335         ULONG   TxNDPCapable:1;
 336         ULONG   ImpTxBFCapable:1;
 337         ULONG   Calibration:2;
 338         ULONG   ExpCSICapable:1;
 339         ULONG   ExpNoComSteerCapable:1;
 340         ULONG   ExpComSteerCapable:1;
 341         ULONG   ExpCSIFbk:2;
 342         ULONG   ExpNoComBF:2;
 343         ULONG   ExpComBF:2;
 344         ULONG   MinGrouping:2;
 345         ULONG   CSIBFAntSup:2;
 346         ULONG   NoComSteerBFAntSup:2;
 347         ULONG   ComSteerBFAntSup:2;
 348         ULONG   CSIRowBFSup:2;
 349         ULONG   ChanEstimation:2;
 350         ULONG   rsv:3;
 351 #endif // RT_BIG_ENDIAN //
 352 } HT_BF_CAP, *PHT_BF_CAP;
 353
 354 //  HT antenna selection field in HT Cap IE .
 355 typedef struct PACKED _HT_AS_CAP{
 356 #ifdef RT_BIG_ENDIAN
 357         UCHAR   rsv:1;
 358         UCHAR   TxSoundPPDU:1;
 359         UCHAR   RxASel:1;
 360         UCHAR   AntIndFbk:1;
 361         UCHAR   ExpCSIFbk:1;
 362         UCHAR   AntIndFbkTxASEL:1;
 363         UCHAR   ExpCSIFbkTxASEL:1;
 364         UCHAR   AntSelect:1;
 365 #else
 366         UCHAR   AntSelect:1;
 367         UCHAR   ExpCSIFbkTxASEL:1;
 368         UCHAR   AntIndFbkTxASEL:1;
 369         UCHAR   ExpCSIFbk:1;
 370         UCHAR   AntIndFbk:1;
 371         UCHAR   RxASel:1;
 372         UCHAR   TxSoundPPDU:1;
 373         UCHAR   rsv:1;
 374 #endif // RT_BIG_ENDIAN //
 375 } HT_AS_CAP, *PHT_AS_CAP;
 376
 377 // Draft 1.0 set IE length 26, but is extensible..
 378 #define SIZE_HT_CAP_IE          26
 379 // The structure for HT Capability IE.
 380 typedef struct PACKED _HT_CAPABILITY_IE{
 381         HT_CAP_INFO             HtCapInfo;
 382         HT_CAP_PARM             HtCapParm;
 383 //      HT_MCS_SET              HtMCSSet;
 384         UCHAR                   MCSSet[16];
 385         EXT_HT_CAP_INFO ExtHtCapInfo;
 386         HT_BF_CAP               TxBFCap;        // beamforming cap. rt2860c not support beamforming.
 387         HT_AS_CAP               ASCap;  //antenna selection.
 388 } HT_CAPABILITY_IE, *PHT_CAPABILITY_IE;
 389
 390
 391 // 802.11n draft3 related structure definitions.
 392 // 7.3.2.60
 393 #define dot11OBSSScanPassiveDwell                                                       20      // in TU. min amount of time that the STA continously scans each channel when performing an active OBSS scan.
 394 #define dot11OBSSScanActiveDwell                                                        10      // in TU.min amount of time that the STA continously scans each channel when performing an passive OBSS scan.
 395 #define dot11BSSWidthTriggerScanInterval                                        300  // in sec. max interval between scan operations to be performed to detect BSS channel width trigger events.
 396 #define dot11OBSSScanPassiveTotalPerChannel                                     200     // in TU. min total amount of time that the STA scans each channel when performing a passive OBSS scan.
 397 #define dot11OBSSScanActiveTotalPerChannel                                      20      //in TU. min total amount of time that the STA scans each channel when performing a active OBSS scan
 398 #define dot11BSSWidthChannelTransactionDelayFactor                      5       // min ratio between the delay time in performing a switch from 20MHz BSS to 20/40 BSS operation and the maxima
 399                                                                                                                                 //      interval between overlapping BSS scan operations.
 400 #define dot11BSSScanActivityThreshold                                           25      // in %%, max total time that a STA may be active on the medium during a period of
 401                                                                                                                                 //      (dot11BSSWidthChannelTransactionDelayFactor * dot11BSSWidthTriggerScanInterval) seconds without
 402                                                                                                                                 //      being obligated to perform OBSS Scan operations. default is 25(== 0.25%)
 403
 404 typedef struct PACKED _OVERLAP_BSS_SCAN_IE{
 405         USHORT          ScanPassiveDwell;
 406         USHORT          ScanActiveDwell;
 407         USHORT          TriggerScanInt;                         // Trigger scan interval
 408         USHORT          PassiveTalPerChannel;           // passive total per channel
 409         USHORT          ActiveTalPerChannel;            // active total per channel
 410         USHORT          DelayFactor;                            // BSS width channel transition delay factor
 411         USHORT          ScanActThre;                            // Scan Activity threshold
 412 }OVERLAP_BSS_SCAN_IE, *POVERLAP_BSS_SCAN_IE;
 413
 414
 415 //  7.3.2.56. 20/40 Coexistence element used in  Element ID = 72 = IE_2040_BSS_COEXIST
 416 typedef union PACKED _BSS_2040_COEXIST_IE{
 417  struct PACKED {
 418  #ifdef RT_BIG_ENDIAN
 419         UCHAR   rsv:5;
 420         UCHAR   BSS20WidthReq:1;
 421         UCHAR   Intolerant40:1;
 422         UCHAR   InfoReq:1;
 423  #else
 424         UCHAR   InfoReq:1;
 425         UCHAR   Intolerant40:1;                 // Inter-BSS. set 1 when prohibits a receiving BSS from operating as a 20/40 Mhz BSS.
 426         UCHAR   BSS20WidthReq:1;                // Intra-BSS set 1 when prohibits a receiving AP from operating its BSS as a 20/40MHz BSS.
 427         UCHAR   rsv:5;
 428 #endif // RT_BIG_ENDIAN //
 429     } field;
 430  UCHAR   word;
 431 } BSS_2040_COEXIST_IE, *PBSS_2040_COEXIST_IE;
 432
 433
 434 typedef struct  _TRIGGER_EVENTA{
 435         BOOLEAN                 bValid;
 436         UCHAR   BSSID[6];
 437         UCHAR   RegClass;       // Regulatory Class
 438         USHORT  Channel;
 439         ULONG   CDCounter;   // Maintain a seperate count down counter for each Event A.
 440 } TRIGGER_EVENTA, *PTRIGGER_EVENTA;
 441
 442 // 20/40 trigger event table
 443 // If one Event A delete or created, or if Event B is detected or not detected, STA should send 2040BSSCoexistence to AP.
 444 #define MAX_TRIGGER_EVENT               64
 445 typedef struct  _TRIGGER_EVENT_TAB{
 446         UCHAR   EventANo;
 447         TRIGGER_EVENTA  EventA[MAX_TRIGGER_EVENT];
 448         ULONG                   EventBCountDown;        // Count down counter for Event B.
 449 } TRIGGER_EVENT_TAB, *PTRIGGER_EVENT_TAB;
 450
 451 // 7.3.27 20/40 Bss Coexistence Mgmt capability used in extended capabilities information IE( ID = 127 = IE_EXT_CAPABILITY).
 452 //      This is the first octet and was defined in 802.11n D3.03 and 802.11yD9.0
 453 typedef struct PACKED _EXT_CAP_INFO_ELEMENT{
 454 #ifdef RT_BIG_ENDIAN
 455         UCHAR   rsv2:5;
 456         UCHAR   ExtendChannelSwitch:1;
 457         UCHAR   rsv:1;
 458         UCHAR   BssCoexistMgmtSupport:1;
 459 #else
 460         UCHAR   BssCoexistMgmtSupport:1;
 461         UCHAR   rsv:1;
 462         UCHAR   ExtendChannelSwitch:1;
 463         UCHAR   rsv2:5;
 464 #endif // RT_BIG_ENDIAN //
 465 }EXT_CAP_INFO_ELEMENT, *PEXT_CAP_INFO_ELEMENT;
 466
 467
 468 // 802.11n 7.3.2.61
 469 typedef struct PACKED _BSS_2040_COEXIST_ELEMENT{
 470         UCHAR                                   ElementID;              // ID = IE_2040_BSS_COEXIST = 72
 471         UCHAR                                   Len;
 472         BSS_2040_COEXIST_IE             BssCoexistIe;
 473 }BSS_2040_COEXIST_ELEMENT, *PBSS_2040_COEXIST_ELEMENT;
 474
 475
 476 //802.11n 7.3.2.59
 477 typedef struct PACKED _BSS_2040_INTOLERANT_CH_REPORT{
 478         UCHAR                           ElementID;              // ID = IE_2040_BSS_INTOLERANT_REPORT = 73
 479         UCHAR                           Len;
 480         UCHAR                           RegulatoryClass;
 481         UCHAR                           ChList[0];
 482 }BSS_2040_INTOLERANT_CH_REPORT, *PBSS_2040_INTOLERANT_CH_REPORT;
 483
 484
 485 // The structure for channel switch annoucement IE. This is in 802.11n D3.03
 486 typedef struct PACKED _CHA_SWITCH_ANNOUNCE_IE{
 487         UCHAR                   SwitchMode;     //channel switch mode
 488         UCHAR                   NewChannel;     //
 489         UCHAR                   SwitchCount;    //
 490 } CHA_SWITCH_ANNOUNCE_IE, *PCHA_SWITCH_ANNOUNCE_IE;
 491
 492
 493 // The structure for channel switch annoucement IE. This is in 802.11n D3.03
 494 typedef struct PACKED _SEC_CHA_OFFSET_IE{
 495         UCHAR                   SecondaryChannelOffset;  // 1: Secondary above, 3: Secondary below, 0: no Secondary
 496 } SEC_CHA_OFFSET_IE, *PSEC_CHA_OFFSET_IE;
 497
 498
 499 // This structure is extracted from struct RT_HT_CAPABILITY
 500 typedef struct {
 501         BOOLEAN                 bHtEnable;       // If we should use ht rate.
 502         BOOLEAN                 bPreNHt;         // If we should use ht rate.
 503         //Substract from HT Capability IE
 504         UCHAR                   MCSSet[16];     //only supoort MCS=0-15,32 ,
 505 } RT_HT_PHY_INFO, *PRT_HT_PHY_INFO;
 506
 507 //This structure substracts ralink supports from all 802.11n-related features.
 508 //Features not listed here but contained in 802.11n spec are not supported in rt2860.
 509 typedef struct {
 510 #if 0   // move to
 511         BOOLEAN                 bHtEnable;       // If we should use ht rate.
 512         BOOLEAN                 bPreNHt;         // If we should use ht rate.
 513         //Substract from HT Capability IE
 514         UCHAR                   MCSSet[16];     //only supoort MCS=0-15,32 ,
 515 #endif
 516 #ifdef RT_BIG_ENDIAN
 517         USHORT  rsv:5;
 518         USHORT  AmsduSize:1;    // Max receiving A-MSDU size
 519         USHORT  AmsduEnable:1;  // Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
 520         USHORT  RxSTBC:2;       // 2 bits
 521         USHORT  TxSTBC:1;
 522         USHORT  ShortGIfor40:1; //for40MHz
 523         USHORT  ShortGIfor20:1;
 524         USHORT  GF:1;   //green field
 525         USHORT  MimoPs:2;//mimo power safe MMPS_
 526         USHORT  ChannelWidth:1;
 527 #else
 528         USHORT  ChannelWidth:1;
 529         USHORT  MimoPs:2;//mimo power safe MMPS_
 530         USHORT  GF:1;   //green field
 531         USHORT  ShortGIfor20:1;
 532         USHORT  ShortGIfor40:1; //for40MHz
 533         USHORT  TxSTBC:1;
 534         USHORT  RxSTBC:2;       // 2 bits
 535         USHORT  AmsduEnable:1;  // Enable to transmit A-MSDU. Suggest disable. We should use A-MPDU to gain best benifit of 802.11n
 536         USHORT  AmsduSize:1;    // Max receiving A-MSDU size
 537         USHORT  rsv:5;
 538 #endif
 539
 540         //Substract from Addiont HT INFO IE
 541 #ifdef RT_BIG_ENDIAN
 542         UCHAR   RecomWidth:1;
 543         UCHAR   ExtChanOffset:2;        // Please not the difference with following     UCHAR   NewExtChannelOffset; from 802.11n
 544         UCHAR   MpduDensity:3;
 545         UCHAR   MaxRAmpduFactor:2;
 546 #else
 547         UCHAR   MaxRAmpduFactor:2;
 548         UCHAR   MpduDensity:3;
 549         UCHAR   ExtChanOffset:2;        // Please not the difference with following     UCHAR   NewExtChannelOffset; from 802.11n
 550         UCHAR   RecomWidth:1;
 551 #endif
 552
 553 #ifdef RT_BIG_ENDIAN
 554         USHORT  rsv2:11;
 555         USHORT  OBSS_NonHTExist:1;
 556         USHORT  rsv3:1;
 557         USHORT  NonGfPresent:1;
 558         USHORT  OperaionMode:2;
 559 #else
 560         USHORT  OperaionMode:2;
 561         USHORT  NonGfPresent:1;
 562         USHORT  rsv3:1;
 563         USHORT  OBSS_NonHTExist:1;
 564         USHORT  rsv2:11;
 565 #endif
 566
 567         // New Extension Channel Offset IE
 568         UCHAR   NewExtChannelOffset;
 569         // Extension Capability IE = 127
 570         UCHAR   BSSCoexist2040;
 571 } RT_HT_CAPABILITY, *PRT_HT_CAPABILITY;
 572
 573 //   field in Addtional HT Information IE .
 574 typedef struct PACKED {
 575 #ifdef RT_BIG_ENDIAN
 576         UCHAR   SerInterGranu:3;
 577         UCHAR   S_PSMPSup:1;
 578         UCHAR   RifsMode:1;
 579         UCHAR   RecomWidth:1;
 580         UCHAR   ExtChanOffset:2;
 581 #else
 582         UCHAR   ExtChanOffset:2;
 583         UCHAR   RecomWidth:1;
 584         UCHAR   RifsMode:1;
 585         UCHAR   S_PSMPSup:1;     //Indicate support for scheduled PSMP
 586         UCHAR   SerInterGranu:3;         //service interval granularity
 587 #endif
 588 } ADD_HTINFO, *PADD_HTINFO;
 589
 590 typedef struct PACKED{
 591 #ifdef RT_BIG_ENDIAN
 592         USHORT  rsv2:11;
 593         USHORT  OBSS_NonHTExist:1;
 594         USHORT  rsv:1;
 595         USHORT  NonGfPresent:1;
 596         USHORT  OperaionMode:2;
 597 #else
 598         USHORT  OperaionMode:2;
 599         USHORT  NonGfPresent:1;
 600         USHORT  rsv:1;
 601         USHORT  OBSS_NonHTExist:1;
 602         USHORT  rsv2:11;
 603 #endif
 604 } ADD_HTINFO2, *PADD_HTINFO2;
 605
 606
 607 // TODO: Need sync with spec about the definition of StbcMcs. In Draft 3.03, it's reserved.
 608 typedef struct PACKED{
 609 #ifdef RT_BIG_ENDIAN
 610         USHORT  rsv:4;
 611         USHORT  PcoPhase:1;
 612         USHORT  PcoActive:1;
 613         USHORT  LsigTxopProt:1;
 614         USHORT  STBCBeacon:1;
 615         USHORT  DualCTSProtect:1;
 616         USHORT  DualBeacon:1;
 617         USHORT  StbcMcs:6;
 618 #else
 619         USHORT  StbcMcs:6;
 620         USHORT  DualBeacon:1;
 621         USHORT  DualCTSProtect:1;
 622         USHORT  STBCBeacon:1;
 623         USHORT  LsigTxopProt:1; // L-SIG TXOP protection full support
 624         USHORT  PcoActive:1;
 625         USHORT  PcoPhase:1;
 626         USHORT  rsv:4;
 627 #endif // RT_BIG_ENDIAN //
 628 } ADD_HTINFO3, *PADD_HTINFO3;
 629
 630 #define SIZE_ADD_HT_INFO_IE             22
 631 typedef struct  PACKED{
 632         UCHAR                           ControlChan;
 633         ADD_HTINFO                      AddHtInfo;
 634         ADD_HTINFO2                     AddHtInfo2;
 635         ADD_HTINFO3                     AddHtInfo3;
 636         UCHAR                           MCSSet[16];             // Basic MCS set
 637 } ADD_HT_INFO_IE, *PADD_HT_INFO_IE;
 638
 639 typedef struct  PACKED{
 640         UCHAR                           NewExtChanOffset;
 641 } NEW_EXT_CHAN_IE, *PNEW_EXT_CHAN_IE;
 642
 643
 644 // 4-byte HTC field.  maybe included in any frame except non-QOS data frame.  The Order bit must set 1.
 645 typedef struct PACKED {
 646 #ifdef RT_BIG_ENDIAN
 647     UINT32              RDG:1;  //RDG / More PPDU
 648     UINT32              ACConstraint:1; //feedback request
 649     UINT32              rsv:5;  //calibration sequence
 650     UINT32              ZLFAnnouce:1;   // ZLF announcement
 651     UINT32              CSISTEERING:2;  //CSI/ STEERING
 652     UINT32              FBKReq:2;       //feedback request
 653     UINT32              CalSeq:2;  //calibration sequence
 654     UINT32              CalPos:2;       // calibration position
 655     UINT32              MFBorASC:7;     //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
 656     UINT32              MFS:3;  //SET to the received value of MRS. 0x111 for unsolicited MFB.
 657     UINT32              MRSorASI:3;     // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
 658     UINT32              MRQ:1;  //MCS feedback. Request for a MCS feedback
 659     UINT32              TRQ:1;  //sounding request
 660     UINT32              MA:1;   //management action payload exist in (QoS Null+HTC)
 661 #else
 662     UINT32              MA:1;   //management action payload exist in (QoS Null+HTC)
 663     UINT32              TRQ:1;  //sounding request
 664     UINT32              MRQ:1;  //MCS feedback. Request for a MCS feedback
 665     UINT32              MRSorASI:3;     // MRQ Sequence identifier. unchanged during entire procedure. 0x000-0x110.
 666     UINT32              MFS:3;  //SET to the received value of MRS. 0x111 for unsolicited MFB.
 667     UINT32              MFBorASC:7;     //Link adaptation feedback containing recommended MCS. 0x7f for no feedback or not available
 668     UINT32              CalPos:2;       // calibration position
 669     UINT32              CalSeq:2;  //calibration sequence
 670     UINT32              FBKReq:2;       //feedback request
 671     UINT32              CSISTEERING:2;  //CSI/ STEERING
 672     UINT32              ZLFAnnouce:1;   // ZLF announcement
 673     UINT32              rsv:5;  //calibration sequence
 674     UINT32              ACConstraint:1; //feedback request
 675     UINT32              RDG:1;  //RDG / More PPDU
 676 #endif /* !RT_BIG_ENDIAN */
 677 } HT_CONTROL, *PHT_CONTROL;
 678
 679 // 2-byte QOS CONTROL field
 680 typedef struct PACKED {
 681 #ifdef RT_BIG_ENDIAN
 682     USHORT      Txop_QueueSize:8;
 683     USHORT      AMsduPresent:1;
 684     USHORT      AckPolicy:2;  //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP  3: BA
 685     USHORT      EOSP:1;
 686     USHORT      TID:4;
 687 #else
 688     USHORT      TID:4;
 689     USHORT      EOSP:1;
 690     USHORT      AckPolicy:2;  //0: normal ACK 1:No ACK 2:scheduled under MTBA/PSMP  3: BA
 691     USHORT      AMsduPresent:1;
 692     USHORT      Txop_QueueSize:8;
 693 #endif /* !RT_BIG_ENDIAN */
 694 } QOS_CONTROL, *PQOS_CONTROL;
 695
 696 // 2-byte Frame control field
 697 typedef struct  PACKED {
 698 #ifdef RT_BIG_ENDIAN
 699         USHORT          Order:1;                        // Strict order expected
 700         USHORT          Wep:1;                          // Wep data
 701         USHORT          MoreData:1;                     // More data bit
 702         USHORT          PwrMgmt:1;                      // Power management bit
 703         USHORT          Retry:1;                        // Retry status bit
 704         USHORT          MoreFrag:1;                     // More fragment bit
 705         USHORT          FrDs:1;                         // From DS indication
 706         USHORT          ToDs:1;                         // To DS indication
 707         USHORT          SubType:4;                      // MSDU subtype
 708         USHORT          Type:2;                         // MSDU type
 709         USHORT          Ver:2;                          // Protocol version
 710 #else
 711         USHORT          Ver:2;                          // Protocol version
 712         USHORT          Type:2;                         // MSDU type
 713         USHORT          SubType:4;                      // MSDU subtype
 714         USHORT          ToDs:1;                         // To DS indication
 715         USHORT          FrDs:1;                         // From DS indication
 716         USHORT          MoreFrag:1;                     // More fragment bit
 717         USHORT          Retry:1;                        // Retry status bit
 718         USHORT          PwrMgmt:1;                      // Power management bit
 719         USHORT          MoreData:1;                     // More data bit
 720         USHORT          Wep:1;                          // Wep data
 721         USHORT          Order:1;                        // Strict order expected
 722 #endif /* !RT_BIG_ENDIAN */
 723 } FRAME_CONTROL, *PFRAME_CONTROL;
 724
 725 typedef struct  PACKED _HEADER_802_11   {
 726     FRAME_CONTROL   FC;
 727     USHORT          Duration;
 728     UCHAR           Addr1[MAC_ADDR_LEN];
 729     UCHAR           Addr2[MAC_ADDR_LEN];
 730         UCHAR                   Addr3[MAC_ADDR_LEN];
 731 #ifdef RT_BIG_ENDIAN
 732         USHORT                  Sequence:12;
 733         USHORT                  Frag:4;
 734 #else
 735         USHORT                  Frag:4;
 736         USHORT                  Sequence:12;
 737 #endif /* !RT_BIG_ENDIAN */
 738         UCHAR                   Octet[0];
 739 }       HEADER_802_11, *PHEADER_802_11;
 740
 741 typedef struct PACKED _FRAME_802_11 {
 742     HEADER_802_11   Hdr;
 743     UCHAR            Octet[1];
 744 }   FRAME_802_11, *PFRAME_802_11;
 745
 746 // QoSNull embedding of management action. When HT Control MA field set to 1.
 747 typedef struct PACKED _MA_BODY {
 748     UCHAR            Category;
 749     UCHAR            Action;
 750     UCHAR            Octet[1];
 751 }   MA_BODY, *PMA_BODY;
 752
 753 typedef struct  PACKED _HEADER_802_3    {
 754     UCHAR           DAAddr1[MAC_ADDR_LEN];
 755     UCHAR           SAAddr2[MAC_ADDR_LEN];
 756     UCHAR           Octet[2];
 757 }       HEADER_802_3, *PHEADER_802_3;
 758 ////Block ACK related format
 759 // 2-byte BA Parameter  field  in       DELBA frames to terminate an already set up bA
 760 typedef struct PACKED{
 761 #ifdef RT_BIG_ENDIAN
 762     USHORT      TID:4;  // value of TC os TS
 763     USHORT      Initiator:1;    // 1: originator    0:recipient
 764     USHORT      Rsv:11; // always set to 0
 765 #else
 766     USHORT      Rsv:11; // always set to 0
 767     USHORT      Initiator:1;    // 1: originator    0:recipient
 768     USHORT      TID:4;  // value of TC os TS
 769 #endif /* !RT_BIG_ENDIAN */
 770 } DELBA_PARM, *PDELBA_PARM;
 771
 772 // 2-byte BA Parameter Set field  in ADDBA frames to signal parm for setting up a BA
 773 typedef struct PACKED {
 774 #ifdef RT_BIG_ENDIAN
 775     USHORT      BufSize:10;     // number of buffe of size 2304 octetsr
 776     USHORT      TID:4;  // value of TC os TS
 777     USHORT      BAPolicy:1;     // 1: immediately BA    0:delayed BA
 778     USHORT      AMSDUSupported:1;       // 0: not permitted             1: permitted
 779 #else
 780     USHORT      AMSDUSupported:1;       // 0: not permitted             1: permitted
 781     USHORT      BAPolicy:1;     // 1: immediately BA    0:delayed BA
 782     USHORT      TID:4;  // value of TC os TS
 783     USHORT      BufSize:10;     // number of buffe of size 2304 octetsr
 784 #endif /* !RT_BIG_ENDIAN */
 785 } BA_PARM, *PBA_PARM;
 786
 787 // 2-byte BA Starting Seq CONTROL field
 788 typedef union PACKED {
 789     struct PACKED {
 790 #ifdef RT_BIG_ENDIAN
 791     USHORT      StartSeq:12;   // sequence number of the 1st MSDU for which this BAR is sent
 792         USHORT      FragNum:4;  // always set to 0
 793 #else
 794     USHORT      FragNum:4;      // always set to 0
 795         USHORT      StartSeq:12;   // sequence number of the 1st MSDU for which this BAR is sent
 796 #endif /* RT_BIG_ENDIAN */
 797     }   field;
 798     USHORT           word;
 799 } BASEQ_CONTROL, *PBASEQ_CONTROL;
 800
 801 //BAControl and BARControl are the same
 802 // 2-byte BA CONTROL field in BA frame
 803 typedef struct PACKED {
 804 #ifdef RT_BIG_ENDIAN
 805     USHORT      TID:4;
 806     USHORT      Rsv:9;
 807     USHORT      Compressed:1;
 808     USHORT      MTID:1;         //EWC V1.24
 809     USHORT      ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK  1:No ACK
 810 #else
 811     USHORT      ACKPolicy:1; // only related to N-Delayed BA. But not support in RT2860b. 0:NormalACK  1:No ACK
 812     USHORT      MTID:1;         //EWC V1.24
 813     USHORT      Compressed:1;
 814     USHORT      Rsv:9;
 815     USHORT      TID:4;
 816 #endif /* !RT_BIG_ENDIAN */
 817 } BA_CONTROL, *PBA_CONTROL;
 818
 819 // 2-byte BAR CONTROL field in BAR frame
 820 typedef struct PACKED {
 821 #ifdef RT_BIG_ENDIAN
 822     USHORT      TID:4;
 823     USHORT      Rsv1:9;
 824     USHORT      Compressed:1;
 825     USHORT      MTID:1;         //if this bit1, use  FRAME_MTBA_REQ,  if 0, use FRAME_BA_REQ
 826     USHORT      ACKPolicy:1;
 827 #else
 828     USHORT      ACKPolicy:1; // 0:normal ack,  1:no ack.
 829     USHORT      MTID:1;         //if this bit1, use  FRAME_MTBA_REQ,  if 0, use FRAME_BA_REQ
 830     USHORT      Compressed:1;
 831     USHORT      Rsv1:9;
 832     USHORT      TID:4;
 833 #endif /* !RT_BIG_ENDIAN */
 834 } BAR_CONTROL, *PBAR_CONTROL;
 835
 836 // BARControl in MTBAR frame
 837 typedef struct PACKED {
 838 #ifdef RT_BIG_ENDIAN
 839     USHORT      NumTID:4;
 840     USHORT      Rsv1:9;
 841     USHORT      Compressed:1;
 842     USHORT      MTID:1;
 843     USHORT      ACKPolicy:1;
 844 #else
 845     USHORT      ACKPolicy:1;
 846     USHORT      MTID:1;
 847     USHORT      Compressed:1;
 848     USHORT      Rsv1:9;
 849     USHORT      NumTID:4;
 850 #endif /* !RT_BIG_ENDIAN */
 851 } MTBAR_CONTROL, *PMTBAR_CONTROL;
 852
 853 typedef struct PACKED {
 854 #ifdef RT_BIG_ENDIAN
 855     USHORT      TID:4;
 856     USHORT      Rsv1:12;
 857 #else
 858     USHORT      Rsv1:12;
 859     USHORT      TID:4;
 860 #endif /* !RT_BIG_ENDIAN */
 861 } PER_TID_INFO, *PPER_TID_INFO;
 862
 863 typedef struct {
 864         PER_TID_INFO      PerTID;
 865         BASEQ_CONTROL    BAStartingSeq;
 866 } EACH_TID, *PEACH_TID;
 867
 868
 869 typedef struct PACKED _PSPOLL_FRAME {
 870     FRAME_CONTROL   FC;
 871     USHORT          Aid;
 872     UCHAR           Bssid[MAC_ADDR_LEN];
 873     UCHAR           Ta[MAC_ADDR_LEN];
 874 }   PSPOLL_FRAME, *PPSPOLL_FRAME;
 875
 876 typedef struct  PACKED _RTS_FRAME       {
 877     FRAME_CONTROL   FC;
 878     USHORT          Duration;
 879     UCHAR           Addr1[MAC_ADDR_LEN];
 880     UCHAR           Addr2[MAC_ADDR_LEN];
 881 }RTS_FRAME, *PRTS_FRAME;
 882
 883 // BAREQ AND MTBAREQ have the same subtype BAR, 802.11n BAR use compressed bitmap.
 884 typedef struct PACKED _FRAME_BA_REQ {
 885         FRAME_CONTROL   FC;
 886         USHORT          Duration;
 887         UCHAR           Addr1[MAC_ADDR_LEN];
 888         UCHAR           Addr2[MAC_ADDR_LEN];
 889         BAR_CONTROL  BARControl;
 890         BASEQ_CONTROL    BAStartingSeq;
 891 }   FRAME_BA_REQ, *PFRAME_BA_REQ;
 892
 893 typedef struct PACKED _FRAME_MTBA_REQ {
 894         FRAME_CONTROL   FC;
 895         USHORT          Duration;
 896         UCHAR           Addr1[MAC_ADDR_LEN];
 897         UCHAR           Addr2[MAC_ADDR_LEN];
 898         MTBAR_CONTROL  MTBARControl;
 899         PER_TID_INFO    PerTIDInfo;
 900         BASEQ_CONTROL    BAStartingSeq;
 901 }   FRAME_MTBA_REQ, *PFRAME_MTBA_REQ;
 902
 903 // Compressed format is mandantory in HT STA
 904 typedef struct PACKED _FRAME_MTBA {
 905         FRAME_CONTROL   FC;
 906         USHORT          Duration;
 907         UCHAR           Addr1[MAC_ADDR_LEN];
 908         UCHAR           Addr2[MAC_ADDR_LEN];
 909         BA_CONTROL  BAControl;
 910         BASEQ_CONTROL    BAStartingSeq;
 911         UCHAR           BitMap[8];
 912 }   FRAME_MTBA, *PFRAME_MTBA;
 913
 914 typedef struct PACKED _FRAME_PSMP_ACTION {
 915         HEADER_802_11   Hdr;
 916         UCHAR   Category;
 917         UCHAR   Action;
 918         UCHAR   Psmp;   // 7.3.1.25
 919 }   FRAME_PSMP_ACTION, *PFRAME_PSMP_ACTION;
 920
 921 typedef struct PACKED _FRAME_ACTION_HDR {
 922         HEADER_802_11   Hdr;
 923         UCHAR   Category;
 924         UCHAR   Action;
 925 }   FRAME_ACTION_HDR, *PFRAME_ACTION_HDR;
 926
 927 //Action Frame
 928 //Action Frame  Category:Spectrum,  Action:Channel Switch. 7.3.2.20
 929 typedef struct PACKED _CHAN_SWITCH_ANNOUNCE {
 930         UCHAR                                   ElementID;      // ID = IE_CHANNEL_SWITCH_ANNOUNCEMENT = 37
 931         UCHAR                                   Len;
 932         CHA_SWITCH_ANNOUNCE_IE  CSAnnounceIe;
 933 }   CHAN_SWITCH_ANNOUNCE, *PCHAN_SWITCH_ANNOUNCE;
 934
 935
 936 //802.11n : 7.3.2.20a
 937 typedef struct PACKED _SECOND_CHAN_OFFSET {
 938         UCHAR                           ElementID;              // ID = IE_SECONDARY_CH_OFFSET = 62
 939         UCHAR                           Len;
 940         SEC_CHA_OFFSET_IE       SecChOffsetIe;
 941 }   SECOND_CHAN_OFFSET, *PSECOND_CHAN_OFFSET;
 942
 943
 944 typedef struct PACKED _FRAME_SPETRUM_CS {
 945         HEADER_802_11   Hdr;
 946         UCHAR   Category;
 947         UCHAR   Action;
 948         CHAN_SWITCH_ANNOUNCE    CSAnnounce;
 949         SECOND_CHAN_OFFSET              SecondChannel;
 950 }   FRAME_SPETRUM_CS, *PFRAME_SPETRUM_CS;
 951
 952
 953 typedef struct PACKED _FRAME_ADDBA_REQ {
 954         HEADER_802_11   Hdr;
 955         UCHAR   Category;
 956         UCHAR   Action;
 957         UCHAR   Token;  // 1
 958         BA_PARM         BaParm;       //  2 - 10
 959         USHORT          TimeOutValue;   // 0 - 0
 960         BASEQ_CONTROL   BaStartSeq; // 0-0
 961 }   FRAME_ADDBA_REQ, *PFRAME_ADDBA_REQ;
 962
 963 typedef struct PACKED _FRAME_ADDBA_RSP {
 964         HEADER_802_11   Hdr;
 965         UCHAR   Category;
 966         UCHAR   Action;
 967         UCHAR   Token;
 968         USHORT  StatusCode;
 969         BA_PARM         BaParm; //0 - 2
 970         USHORT          TimeOutValue;
 971 }   FRAME_ADDBA_RSP, *PFRAME_ADDBA_RSP;
 972
 973 typedef struct PACKED _FRAME_DELBA_REQ {
 974         HEADER_802_11   Hdr;
 975         UCHAR   Category;
 976         UCHAR   Action;
 977         DELBA_PARM              DelbaParm;
 978         USHORT  ReasonCode;
 979 }   FRAME_DELBA_REQ, *PFRAME_DELBA_REQ;
 980
 981
 982 //7.2.1.7
 983 typedef struct PACKED _FRAME_BAR {
 984         FRAME_CONTROL   FC;
 985         USHORT          Duration;
 986         UCHAR           Addr1[MAC_ADDR_LEN];
 987         UCHAR           Addr2[MAC_ADDR_LEN];
 988         BAR_CONTROL             BarControl;
 989         BASEQ_CONTROL   StartingSeq;
 990 }   FRAME_BAR, *PFRAME_BAR;
 991
 992 //7.2.1.7
 993 typedef struct PACKED _FRAME_BA {
 994         FRAME_CONTROL   FC;
 995         USHORT          Duration;
 996         UCHAR           Addr1[MAC_ADDR_LEN];
 997         UCHAR           Addr2[MAC_ADDR_LEN];
 998         BAR_CONTROL             BarControl;
 999         BASEQ_CONTROL   StartingSeq;
1000         UCHAR           bitmask[8];
1001 }   FRAME_BA, *PFRAME_BA;
1002
1003
1004 // Radio Measuement Request Frame Format
1005 typedef struct PACKED _FRAME_RM_REQ_ACTION {
1006         HEADER_802_11   Hdr;
1007         UCHAR   Category;
1008         UCHAR   Action;
1009         UCHAR   Token;
1010         USHORT  Repetition;
1011         UCHAR   data[0];
1012 }   FRAME_RM_REQ_ACTION, *PFRAME_RM_REQ_ACTION;
1013
1014 typedef struct PACKED {
1015         UCHAR           ID;
1016         UCHAR           Length;
1017         UCHAR           ChannelSwitchMode;
1018         UCHAR           NewRegClass;
1019         UCHAR           NewChannelNum;
1020         UCHAR           ChannelSwitchCount;
1021 } HT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE, *PHT_EXT_CHANNEL_SWITCH_ANNOUNCEMENT_IE;
1022
1023
1024 //
1025 // _Limit must be the 2**n - 1
1026 // _SEQ1 , _SEQ2 must be within 0 ~ _Limit
1027 //
1028 #define SEQ_STEPONE(_SEQ1, _SEQ2, _Limit)       ((_SEQ1 == ((_SEQ2+1) & _Limit)))
1029 #define SEQ_SMALLER(_SEQ1, _SEQ2, _Limit)       (((_SEQ1-_SEQ2) & ((_Limit+1)>>1)))
1030 #define SEQ_LARGER(_SEQ1, _SEQ2, _Limit)        ((_SEQ1 != _SEQ2) && !(((_SEQ1-_SEQ2) & ((_Limit+1)>>1))))
1031 #define SEQ_WITHIN_WIN(_SEQ1, _SEQ2, _WIN, _Limit) (SEQ_LARGER(_SEQ1, _SEQ2, _Limit) &&  \
1032                                                                                                 SEQ_SMALLER(_SEQ1, ((_SEQ2+_WIN+1)&_Limit), _Limit))
1033
1034 //
1035 // Contention-free parameter (without ID and Length)
1036 //
1037 typedef struct PACKED {
1038     BOOLEAN     bValid;         // 1: variable contains valid value
1039     UCHAR       CfpCount;
1040     UCHAR       CfpPeriod;
1041     USHORT      CfpMaxDuration;
1042     USHORT      CfpDurRemaining;
1043 } CF_PARM, *PCF_PARM;
1044
1045 typedef struct  _CIPHER_SUITE   {
1046         NDIS_802_11_ENCRYPTION_STATUS   PairCipher;             // Unicast cipher 1, this one has more secured cipher suite
1047         NDIS_802_11_ENCRYPTION_STATUS   PairCipherAux;  // Unicast cipher 2 if AP announce two unicast cipher suite
1048         NDIS_802_11_ENCRYPTION_STATUS   GroupCipher;    // Group cipher
1049         USHORT                                                  RsnCapability;  // RSN capability from beacon
1050         BOOLEAN                                                 bMixMode;               // Indicate Pair & Group cipher might be different
1051 }       CIPHER_SUITE, *PCIPHER_SUITE;
1052
1053 // EDCA configuration from AP's BEACON/ProbeRsp
1054 typedef struct {
1055     BOOLEAN     bValid;         // 1: variable contains valid value
1056     BOOLEAN     bAdd;         // 1: variable contains valid value
1057     BOOLEAN     bQAck;
1058     BOOLEAN     bQueueRequest;
1059     BOOLEAN     bTxopRequest;
1060     BOOLEAN     bAPSDCapable;
1061 //  BOOLEAN     bMoreDataAck;
1062     UCHAR       EdcaUpdateCount;
1063     UCHAR       Aifsn[4];       // 0:AC_BK, 1:AC_BE, 2:AC_VI, 3:AC_VO
1064     UCHAR       Cwmin[4];
1065     UCHAR       Cwmax[4];
1066     USHORT      Txop[4];      // in unit of 32-us
1067     BOOLEAN     bACM[4];      // 1: Admission Control of AC_BK is mandattory
1068 } EDCA_PARM, *PEDCA_PARM;
1069
1070 // QBSS LOAD information from QAP's BEACON/ProbeRsp
1071 typedef struct {
1072     BOOLEAN     bValid;                     // 1: variable contains valid value
1073     USHORT      StaNum;
1074     UCHAR       ChannelUtilization;
1075     USHORT      RemainingAdmissionControl;  // in unit of 32-us
1076 } QBSS_LOAD_PARM, *PQBSS_LOAD_PARM;
1077
1078 // QBSS Info field in QSTA's assoc req
1079 typedef struct PACKED {
1080 #ifdef RT_BIG_ENDIAN
1081         UCHAR           Rsv2:1;
1082         UCHAR           MaxSPLength:2;
1083         UCHAR           Rsv1:1;
1084         UCHAR           UAPSD_AC_BE:1;
1085         UCHAR           UAPSD_AC_BK:1;
1086         UCHAR           UAPSD_AC_VI:1;
1087         UCHAR           UAPSD_AC_VO:1;
1088 #else
1089     UCHAR               UAPSD_AC_VO:1;
1090         UCHAR           UAPSD_AC_VI:1;
1091         UCHAR           UAPSD_AC_BK:1;
1092         UCHAR           UAPSD_AC_BE:1;
1093         UCHAR           Rsv1:1;
1094         UCHAR           MaxSPLength:2;
1095         UCHAR           Rsv2:1;
1096 #endif /* !RT_BIG_ENDIAN */
1097 } QBSS_STA_INFO_PARM, *PQBSS_STA_INFO_PARM;
1098
1099 // QBSS Info field in QAP's Beacon/ProbeRsp
1100 typedef struct PACKED {
1101 #ifdef RT_BIG_ENDIAN
1102         UCHAR           UAPSD:1;
1103         UCHAR           Rsv:3;
1104     UCHAR               ParamSetCount:4;
1105 #else
1106     UCHAR               ParamSetCount:4;
1107         UCHAR           Rsv:3;
1108         UCHAR           UAPSD:1;
1109 #endif /* !RT_BIG_ENDIAN */
1110 } QBSS_AP_INFO_PARM, *PQBSS_AP_INFO_PARM;
1111
1112 // QOS Capability reported in QAP's BEACON/ProbeRsp
1113 // QOS Capability sent out in QSTA's AssociateReq/ReAssociateReq
1114 typedef struct {
1115     BOOLEAN     bValid;                     // 1: variable contains valid value
1116     BOOLEAN     bQAck;
1117     BOOLEAN     bQueueRequest;
1118     BOOLEAN     bTxopRequest;
1119 //  BOOLEAN     bMoreDataAck;
1120     UCHAR       EdcaUpdateCount;
1121 } QOS_CAPABILITY_PARM, *PQOS_CAPABILITY_PARM;
1122
1123 #ifdef CONFIG_STA_SUPPORT
1124 typedef struct {
1125     UCHAR       IELen;
1126     UCHAR       IE[MAX_CUSTOM_LEN];
1127 } WPA_IE_;
1128 #endif // CONFIG_STA_SUPPORT //
1129
1130
1131 typedef struct {
1132     UCHAR   Bssid[MAC_ADDR_LEN];
1133     UCHAR   Channel;
1134         UCHAR   CentralChannel; //Store the wide-band central channel for 40MHz.  .used in 40MHz AP. Or this is the same as Channel.
1135     UCHAR   BssType;
1136     USHORT  AtimWin;
1137     USHORT  BeaconPeriod;
1138
1139     UCHAR   SupRate[MAX_LEN_OF_SUPPORTED_RATES];
1140     UCHAR   SupRateLen;
1141     UCHAR   ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
1142     UCHAR   ExtRateLen;
1143         HT_CAPABILITY_IE HtCapability;
1144         UCHAR                   HtCapabilityLen;
1145         ADD_HT_INFO_IE AddHtInfo;       // AP might use this additional ht info IE
1146         UCHAR                   AddHtInfoLen;
1147         UCHAR                   NewExtChanOffset;
1148         CHAR    Rssi;
1149     UCHAR   Privacy;                    // Indicate security function ON/OFF. Don't mess up with auth mode.
1150         UCHAR   Hidden;
1151
1152     USHORT  DtimPeriod;
1153     USHORT  CapabilityInfo;
1154
1155     USHORT  CfpCount;
1156     USHORT  CfpPeriod;
1157     USHORT  CfpMaxDuration;
1158     USHORT  CfpDurRemaining;
1159     UCHAR   SsidLen;
1160     CHAR    Ssid[MAX_LEN_OF_SSID];
1161
1162     ULONG   LastBeaconRxTime; // OS's timestamp
1163
1164         BOOLEAN bSES;
1165
1166         // New for WPA2
1167         CIPHER_SUITE                                    WPA;                    // AP announced WPA cipher suite
1168         CIPHER_SUITE                                    WPA2;                   // AP announced WPA2 cipher suite
1169
1170         // New for microsoft WPA support
1171         NDIS_802_11_FIXED_IEs   FixIEs;
1172         NDIS_802_11_AUTHENTICATION_MODE AuthModeAux;    // Addition mode for WPA2 / WPA capable AP
1173         NDIS_802_11_AUTHENTICATION_MODE AuthMode;
1174         NDIS_802_11_WEP_STATUS  WepStatus;                              // Unicast Encryption Algorithm extract from VAR_IE
1175         USHORT                                  VarIELen;                               // Length of next VIE include EID & Length
1176         UCHAR                                   VarIEs[MAX_VIE_LEN];
1177
1178         // CCX Ckip information
1179     UCHAR   CkipFlag;
1180
1181         // CCX 2 TSF
1182         UCHAR   PTSF[4];                // Parent TSF
1183         UCHAR   TTSF[8];                // Target TSF
1184
1185     // 802.11e d9, and WMM
1186         EDCA_PARM           EdcaParm;
1187         QOS_CAPABILITY_PARM QosCapability;
1188         QBSS_LOAD_PARM      QbssLoad;
1189 #ifdef CONFIG_STA_SUPPORT
1190     WPA_IE_     WpaIE;
1191     WPA_IE_     RsnIE;
1192 #ifdef EXT_BUILD_CHANNEL_LIST
1193         UCHAR           CountryString[3];
1194         BOOLEAN         bHasCountryIE;
1195 #endif // EXT_BUILD_CHANNEL_LIST //
1196 #endif // CONFIG_STA_SUPPORT //
1197 } BSS_ENTRY, *PBSS_ENTRY;
1198
1199 typedef struct {
1200     UCHAR           BssNr;
1201     UCHAR           BssOverlapNr;
1202     BSS_ENTRY       BssEntry[MAX_LEN_OF_BSS_TABLE];
1203 } BSS_TABLE, *PBSS_TABLE;
1204
1205
1206 typedef struct _MLME_QUEUE_ELEM {
1207     ULONG             Machine;
1208     ULONG             MsgType;
1209     ULONG             MsgLen;
1210     UCHAR             Msg[MGMT_DMA_BUFFER_SIZE];
1211     LARGE_INTEGER     TimeStamp;
1212     UCHAR             Rssi0;
1213     UCHAR             Rssi1;
1214     UCHAR             Rssi2;
1215     UCHAR             Signal;
1216     UCHAR             Channel;
1217     UCHAR             Wcid;
1218     BOOLEAN           Occupied;
1219 } MLME_QUEUE_ELEM, *PMLME_QUEUE_ELEM;
1220
1221 typedef struct _MLME_QUEUE {
1222     ULONG             Num;
1223     ULONG             Head;
1224     ULONG             Tail;
1225     NDIS_SPIN_LOCK   Lock;
1226     MLME_QUEUE_ELEM  Entry[MAX_LEN_OF_MLME_QUEUE];
1227 } MLME_QUEUE, *PMLME_QUEUE;
1228
1229 typedef VOID (*STATE_MACHINE_FUNC)(VOID *Adaptor, MLME_QUEUE_ELEM *Elem);
1230
1231 typedef struct _STATE_MACHINE {
1232     ULONG                           Base;
1233     ULONG                           NrState;
1234     ULONG                           NrMsg;
1235     ULONG                           CurrState;
1236     STATE_MACHINE_FUNC             *TransFunc;
1237 } STATE_MACHINE, *PSTATE_MACHINE;
1238
1239
1240 // MLME AUX data structure that hold temporarliy settings during a connection attempt.
1241 // Once this attemp succeeds, all settings will be copy to pAd->StaActive.
1242 // A connection attempt (user set OID, roaming, CCX fast roaming,..) consists of
1243 // several steps (JOIN, AUTH, ASSOC or REASSOC) and may fail at any step. We purposely
1244 // separate this under-trial settings away from pAd->StaActive so that once
1245 // this new attempt failed, driver can auto-recover back to the active settings.
1246 typedef struct _MLME_AUX {
1247     UCHAR               BssType;
1248     UCHAR               Ssid[MAX_LEN_OF_SSID];
1249     UCHAR               SsidLen;
1250     UCHAR               Bssid[MAC_ADDR_LEN];
1251         UCHAR                           AutoReconnectSsid[MAX_LEN_OF_SSID];
1252         UCHAR                           AutoReconnectSsidLen;
1253     USHORT              Alg;
1254     UCHAR               ScanType;
1255     UCHAR               Channel;
1256         UCHAR               CentralChannel;
1257     USHORT              Aid;
1258     USHORT              CapabilityInfo;
1259     USHORT              BeaconPeriod;
1260     USHORT              CfpMaxDuration;
1261     USHORT              CfpPeriod;
1262     USHORT              AtimWin;
1263
1264         // Copy supported rate from desired AP's beacon. We are trying to match
1265         // AP's supported and extended rate settings.
1266         UCHAR                   SupRate[MAX_LEN_OF_SUPPORTED_RATES];
1267         UCHAR                   ExtRate[MAX_LEN_OF_SUPPORTED_RATES];
1268         UCHAR                   SupRateLen;
1269         UCHAR                   ExtRateLen;
1270         HT_CAPABILITY_IE                HtCapability;
1271         UCHAR                           HtCapabilityLen;
1272         ADD_HT_INFO_IE          AddHtInfo;      // AP might use this additional ht info IE
1273         UCHAR                   NewExtChannelOffset;
1274         //RT_HT_CAPABILITY      SupportedHtPhy;
1275
1276     // new for QOS
1277     QOS_CAPABILITY_PARM APQosCapability;    // QOS capability of the current associated AP
1278     EDCA_PARM           APEdcaParm;         // EDCA parameters of the current associated AP
1279     QBSS_LOAD_PARM      APQbssLoad;         // QBSS load of the current associated AP
1280
1281     // new to keep Ralink specific feature
1282     ULONG               APRalinkIe;
1283
1284     BSS_TABLE           SsidBssTab;     // AP list for the same SSID
1285     BSS_TABLE           RoamTab;        // AP list eligible for roaming
1286     ULONG               BssIdx;
1287     ULONG               RoamIdx;
1288
1289         BOOLEAN                         CurrReqIsFromNdis;
1290
1291     RALINK_TIMER_STRUCT BeaconTimer, ScanTimer;
1292     RALINK_TIMER_STRUCT AuthTimer;
1293     RALINK_TIMER_STRUCT AssocTimer, ReassocTimer, DisassocTimer;
1294 } MLME_AUX, *PMLME_AUX;
1295
1296 typedef struct _MLME_ADDBA_REQ_STRUCT{
1297         UCHAR   Wcid;   //
1298         UCHAR   pAddr[MAC_ADDR_LEN];
1299         UCHAR   BaBufSize;
1300         USHORT  TimeOutValue;
1301         UCHAR   TID;
1302         UCHAR   Token;
1303         USHORT  BaStartSeq;
1304 } MLME_ADDBA_REQ_STRUCT, *PMLME_ADDBA_REQ_STRUCT;
1305
1306
1307 typedef struct _MLME_DELBA_REQ_STRUCT{
1308         UCHAR   Wcid;   //
1309         UCHAR     Addr[MAC_ADDR_LEN];
1310         UCHAR   TID;
1311         UCHAR   Initiator;
1312 } MLME_DELBA_REQ_STRUCT, *PMLME_DELBA_REQ_STRUCT;
1313
1314 // assoc struct is equal to reassoc
1315 typedef struct _MLME_ASSOC_REQ_STRUCT{
1316     UCHAR     Addr[MAC_ADDR_LEN];
1317     USHORT    CapabilityInfo;
1318     USHORT    ListenIntv;
1319     ULONG     Timeout;
1320 } MLME_ASSOC_REQ_STRUCT, *PMLME_ASSOC_REQ_STRUCT, MLME_REASSOC_REQ_STRUCT, *PMLME_REASSOC_REQ_STRUCT;
1321
1322 typedef struct _MLME_DISASSOC_REQ_STRUCT{
1323     UCHAR     Addr[MAC_ADDR_LEN];
1324     USHORT    Reason;
1325 } MLME_DISASSOC_REQ_STRUCT, *PMLME_DISASSOC_REQ_STRUCT;
1326
1327 typedef struct _MLME_AUTH_REQ_STRUCT {
1328     UCHAR        Addr[MAC_ADDR_LEN];
1329     USHORT       Alg;
1330     ULONG        Timeout;
1331 } MLME_AUTH_REQ_STRUCT, *PMLME_AUTH_REQ_STRUCT;
1332
1333 typedef struct _MLME_DEAUTH_REQ_STRUCT {
1334     UCHAR        Addr[MAC_ADDR_LEN];
1335     USHORT       Reason;
1336 } MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;
1337
1338 typedef struct {
1339     ULONG      BssIdx;
1340 } MLME_JOIN_REQ_STRUCT;
1341
1342 typedef struct _MLME_SCAN_REQ_STRUCT {
1343     UCHAR      Bssid[MAC_ADDR_LEN];
1344     UCHAR      BssType;
1345     UCHAR      ScanType;
1346     UCHAR      SsidLen;
1347     CHAR       Ssid[MAX_LEN_OF_SSID];
1348 } MLME_SCAN_REQ_STRUCT, *PMLME_SCAN_REQ_STRUCT;
1349
1350 typedef struct _MLME_START_REQ_STRUCT {
1351     CHAR        Ssid[MAX_LEN_OF_SSID];
1352     UCHAR       SsidLen;
1353 } MLME_START_REQ_STRUCT, *PMLME_START_REQ_STRUCT;
1354
1355 #ifdef CONFIG_STA_SUPPORT
1356 #ifdef QOS_DLS_SUPPORT
1357 // structure for DLS
1358 typedef struct _RT_802_11_DLS {
1359         USHORT                                          TimeOut;                // Use to time out while slience, unit: second , set by UI
1360         USHORT                                          CountDownTimer; // Use to time out while slience,unit: second , used by driver only
1361         NDIS_802_11_MAC_ADDRESS         MacAddr;                // set by UI
1362         UCHAR                                           Status;                 // 0: none , 1: wait STAkey, 2: finish DLS setup , set by driver only
1363         BOOLEAN                                         Valid;                  // 1: valid , 0: invalid , set by UI, use to setup or tear down DLS link
1364         RALINK_TIMER_STRUCT                     Timer;                  // Use to time out while handshake
1365         USHORT                                          Sequence;
1366         USHORT                                          MacTabMatchWCID;        // ASIC
1367         BOOLEAN                                         bHTCap;
1368         PVOID                                           pAd;
1369 } RT_802_11_DLS, *PRT_802_11_DLS;
1370
1371 typedef struct _MLME_DLS_REQ_STRUCT {
1372     PRT_802_11_DLS      pDLS;
1373     USHORT                      Reason;
1374 } MLME_DLS_REQ_STRUCT, *PMLME_DLS_REQ_STRUCT;
1375 #endif // QOS_DLS_SUPPORT //
1376 #endif // CONFIG_STA_SUPPORT //
1377
1378 typedef struct PACKED {
1379     UCHAR   Eid;
1380     UCHAR   Len;
1381     CHAR   Octet[1];
1382 } EID_STRUCT,*PEID_STRUCT, BEACON_EID_STRUCT, *PBEACON_EID_STRUCT;
1383
1384 typedef struct PACKED _RTMP_TX_RATE_SWITCH
1385 {
1386         UCHAR   ItemNo;
1387 #ifdef RT_BIG_ENDIAN
1388         UCHAR   Rsv2:2;
1389         UCHAR   Mode:2;
1390         UCHAR   Rsv1:1;
1391         UCHAR   BW:1;
1392         UCHAR   ShortGI:1;
1393         UCHAR   STBC:1;
1394 #else
1395         UCHAR   STBC:1;
1396         UCHAR   ShortGI:1;
1397         UCHAR   BW:1;
1398         UCHAR   Rsv1:1;
1399         UCHAR   Mode:2;
1400         UCHAR   Rsv2:2;
1401 #endif
1402         UCHAR   CurrMCS;
1403         UCHAR   TrainUp;
1404         UCHAR   TrainDown;
1405 } RRTMP_TX_RATE_SWITCH, *PRTMP_TX_RATE_SWITCH;
1406
1407 // ========================== AP mlme.h ===============================
1408 #define TBTT_PRELOAD_TIME       384        // usec. LomgPreamble + 24-byte at 1Mbps
1409 #define DEFAULT_DTIM_PERIOD     1
1410
1411 // weighting factor to calculate Channel quality, total should be 100%
1412 //#define RSSI_WEIGHTING                   0
1413 //#define TX_WEIGHTING                     40
1414 //#define RX_WEIGHTING                     60
1415
1416 #define MAC_TABLE_AGEOUT_TIME                   300                     // unit: sec
1417 #define MAC_TABLE_ASSOC_TIMEOUT                 5                       // unit: sec
1418 #define MAC_TABLE_FULL(Tab)                             ((Tab).size == MAX_LEN_OF_MAC_TABLE)
1419
1420 // AP shall drop the sta if contine Tx fail count reach it.
1421 #define MAC_ENTRY_LIFE_CHECK_CNT                20                      // packet cnt.
1422
1423 // Value domain of pMacEntry->Sst
1424 typedef enum _Sst {
1425     SST_NOT_AUTH,   // 0: equivalent to IEEE 802.11/1999 state 1
1426     SST_AUTH,       // 1: equivalent to IEEE 802.11/1999 state 2
1427     SST_ASSOC       // 2: equivalent to IEEE 802.11/1999 state 3
1428 } SST;
1429
1430 // value domain of pMacEntry->AuthState
1431 typedef enum _AuthState {
1432     AS_NOT_AUTH,
1433     AS_AUTH_OPEN,       // STA has been authenticated using OPEN SYSTEM
1434     AS_AUTH_KEY,        // STA has been authenticated using SHARED KEY
1435     AS_AUTHENTICATING   // STA is waiting for AUTH seq#3 using SHARED KEY
1436 } AUTH_STATE;
1437
1438 //for-wpa value domain of pMacEntry->WpaState  802.1i D3   p.114
1439 typedef enum _ApWpaState {
1440     AS_NOTUSE,              // 0
1441     AS_DISCONNECT,          // 1
1442     AS_DISCONNECTED,        // 2
1443     AS_INITIALIZE,          // 3
1444     AS_AUTHENTICATION,      // 4
1445     AS_AUTHENTICATION2,     // 5
1446     AS_INITPMK,             // 6
1447     AS_INITPSK,             // 7
1448     AS_PTKSTART,            // 8
1449     AS_PTKINIT_NEGOTIATING, // 9
1450     AS_PTKINITDONE,         // 10
1451     AS_UPDATEKEYS,          // 11
1452     AS_INTEGRITY_FAILURE,   // 12
1453     AS_KEYUPDATE,           // 13
1454 } AP_WPA_STATE;
1455
1456 // for-wpa value domain of pMacEntry->WpaState  802.1i D3   p.114
1457 typedef enum _GTKState {
1458     REKEY_NEGOTIATING,
1459     REKEY_ESTABLISHED,
1460     KEYERROR,
1461 } GTK_STATE;
1462
1463 //  for-wpa  value domain of pMacEntry->WpaState  802.1i D3   p.114
1464 typedef enum _WpaGTKState {
1465     SETKEYS,
1466     SETKEYS_DONE,
1467 } WPA_GTK_STATE;
1468 // ====================== end of AP mlme.h ============================
1469
1470
1471 #endif  // MLME_H__