drivers/net/wireless/rtlink/mlme.h

   1 /*************************************************************************
   2  * Ralink Tech Inc.                                                      *
   3  * 4F, No. 2 Technology 5th Rd.                                          *
   4  * Science-based Industrial Park                                         *
   5  * Hsin-chu, Taiwan, R.O.C.                                              *
   6  *                                                                       *
   7  * (c) Copyright 2002, Ralink Technology, Inc.                           *
   8  *                                                                       *
   9  * This program is free software; you can redistribute it and/or modify  *
  10  * it under the terms of the GNU General Public License as published by  *
  11  * the Free Software Foundation; either version 2 of the License, or     *
  12  * (at your option) any later version.                                   *
  13  *                                                                       *
  14  * This program is distributed in the hope that it will be useful,       *
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  17  * GNU General Public License for more details.                          *
  18  *                                                                       *
  19  * You should have received a copy of the GNU General Public License     *
  20  * along with this program; if not, write to the                         *
  21  * Free Software Foundation, Inc.,                                       *
  22  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  23  *                                                                       *
  24  *************************************************************************
  25
  26     Module Name:
  27     mlme.h
  28
  29     Abstract:
  30
  31     Revision History:
  32     Who         When            What
  33     --------    ----------      ----------------------------------------------
  34     John        2003-08-28
  35 */
  36 #ifndef __MLME_H__
  37 #define __MLME_H__
  38
  39 #include "oid.h"
  40
  41 // maximum supported capability information -
  42 // ESS, IBSS, Privacy, Short Preamble, Short Slot
  43 #define SUPPORTED_CAPABILITY_INFO 0x0433
  44
  45 #define END_OF_ARGS             -1
  46 #define LFSR_MASK               0x80000057
  47 #define TBTT_PRELOAD_TIME       384        // usec. LomgPreamble + 24-byte at 1Mbps
  48 #define MLME_TASK_EXEC_INTV     1000      // 1 sec
  49
  50 #define BEACON_LOST_TIME        (4*HZ)       // 2048 msec = 2 sec
  51
  52 //#define AUTH_KEY_TIMEOUT        500     // unit: msec
  53 //#define AUTH_OPEN_TIMEOUT       200     // unit: msec
  54 #define AUTH_TIMEOUT            300     // unit: msec
  55 #define ASSOC_TIMEOUT           300     // unit: msec
  56 #define JOIN_TIMEOUT            2000     // unit: msec
  57 #define MIN_CHANNEL_TIME        110        // unit: msec, for dual band scan
  58 #define MAX_CHANNEL_TIME        140       // unit: msec, for single band scan
  59 #define ACTIVE_SCAN_TIME                30                      // Active scan waiting for probe response time
  60 #define CW_MIN_IN_BITS          3         // actual CwMin = 2^CW_MIN_IN_BITS - 1 = 7
  61 #define CW_MAX_IN_BITS          8         // actual CwMax = 2^CW_MAX_IN_BITS - 1 = 255
  62
  63 #define RSSI_TO_DBM_OFFSET          120 // for RT2530 RSSI-115 = dBm
  64 #define RSSI_FOR_MID_TX_POWER       55  // -55 db is considered mid-distance
  65 #define RSSI_FOR_LOW_TX_POWER       45  // -45 db is considered very short distance and
  66                                         // eligible to use a lower TX power
  67 #define RSSI_FOR_LOWEST_TX_POWER    30
  68 #define MID_TX_POWER_DELTA          0   // -3 db from full TX power upon mid-distance to AP
  69 #define LOW_TX_POWER_DELTA          3   // -8 db from full TX power upon very short distance
  70 #define LOWEST_TX_POWER_DELTA       6  // -12 db from full TX power upon shortest distance
  71
  72 #define RSSI_TRIGGERED_UPON_BELOW_THRESHOLD     0
  73 #define RSSI_TRIGGERED_UPON_EXCCEED_THRESHOLD   1
  74 #define RSSI_THRESHOLD_FOR_ROAMING              25
  75 #define RSSI_DELTA                              5
  76
  77 // Channel Quality Indication
  78 //#define CQI_GOOD_THRESHOLD      70  // >= this threshold means channel quality GOOD
  79 //#define CQI_FAIR_THRESHOLD      50  // >= this threshold means channel quality FAIR
  80 //#define CQI_POOR_THRESHOLD      30  // >= this threshold means channel quality POOR
  81                                     // < this threshold means channel quality really BAD, link down
  82 #define CQI_IS_GOOD(cqi)        ((cqi) >= 50)
  83 #define CQI_IS_FAIR(cqi)        (((cqi) >= 20) && ((cqi) < 50)) // (((cqi) >= 50) && ((cqi) < 70))
  84 #define CQI_IS_POOR(cqi)        (((cqi) >= 5) && ((cqi) < 20))  // (((cqi) >= 25) && ((cqi) < 50))
  85 #define CQI_IS_BAD(cqi)         ((cqi) < 5)                     // ((cqi) < 25)
  86
  87 // weighting factor to calculate Channel quality, total should be 100%
  88 #define RSSI_WEIGHTING          40
  89 #define TX_WEIGHTING            40
  90 #define RX_WEIGHTING            20
  91
  92 // prime number closest to 256
  93 //#define HASH_TABLE_SIZE                  191 //191 is another prime
  94 // Only allows 32 entries in the table
  95 #define MAC_TABLE_MAX_CAPACITY           32
  96
  97 #define MAC_ENTRY_NOT_USED               0xff
  98 #define CONTENT_NOT_AVAIL                0xaa
  99
 100 // 10 minute of age out
 101 #define MAC_TABLE_AGE_OUT_TIME           0xffffff
 102
 103 #define MAC_ADDR_HASH_ERROR              0xfffffffe
 104 #define MAC_TABLE_UNKNOWN_INDEX          0xff
 105 #define MAC_TABLE_ADDR_NOT_IN            0xfffffffd
 106
 107 #define PEER_KEY_NOT_USED                0
 108 #define PEER_KEY_64_BIT                  64
 109 #define PEER_KEY_128_BIT                 128
 110
 111 #define PEER_KEY_64BIT_LEN               8
 112 #define PEER_KEY_128BIT_LEN              16
 113
 114 #define MAX_LEN_OF_BSS_TABLE             64
 115 #define BSS_NOT_FOUND                    0xFFFFFFFF
 116
 117 #define MAX_LEN_OF_MLME_QUEUE            10
 118
 119 //! assoc state-machine states
 120 #define ASSOC_IDLE                       0
 121 #define ASSOC_WAIT_RSP                   1
 122 #define REASSOC_WAIT_RSP                 2
 123 #define DISASSOC_WAIT_RSP                3
 124 #define MAX_ASSOC_STATE                  4
 125
 126 #define ASSOC_FUNC_SIZE                  44 // 4-state * 12-event
 127
 128 //authentication state machine
 129 #define AUTH_REQ_IDLE                    0
 130 #define AUTH_WAIT_SEQ2                   1
 131 #define AUTH_WAIT_SEQ4                   2
 132 #define MAX_AUTH_STATE                   3
 133
 134 #define AUTH_FUNC_SIZE                   15 // 3-state * 5-event
 135
 136 #define AUTH_RSP_IDLE                    0
 137 #define AUTH_RSP_WAIT_CHAL               1
 138 #define MAX_AUTH_RSP_STATE               2
 139
 140 #define AUTH_RSP_FUNC_SIZE               6 // 2-state * 3-event
 141
 142 // SYNC state machine
 143 #define SYNC_IDLE                        0 // merge NO_BSS,IBSS_IDLE,IBSS_ACTIVE and BSS in to 1 state
 144 #define JOIN_WAIT_BEACON                 1
 145 #define SCAN_LISTEN                      2
 146 #define MAX_SYNC_STATE                   3
 147
 148 #define SYNC_FUNC_SIZE                   30  // 3-state * 10-event
 149
 150 #define SCAN_PASSIVE                     18
 151 #define SCAN_ACTIVE                      19
 152
 153 //WPA State machine
 154 #define WPA_PSK_IDLE                    0
 155 #define MAX_WPA_PSK_STATE               1
 156 #define WPA_PSK_FUNC_SIZE               5
 157
 158 // Control state machine
 159 #define CNTL_IDLE                        100
 160 #define CNTL_WAIT_DISASSOC               101
 161 #define CNTL_WAIT_JOIN                   102
 162 #define CNTL_WAIT_REASSOC                103
 163 #define CNTL_WAIT_START                  104
 164 #define CNTL_WAIT_AUTH                   105
 165 #define CNTL_WAIT_ASSOC                  106
 166 #define CNTL_WAIT_AUTH2                  107
 167 #define CNTL_WAIT_OID_LIST_SCAN          108
 168 #define CNTL_WAIT_OID_DISASSOC           109
 169
 170 //#define BSS_TABLE_EMPTY(x)               ((x).BssNr == 0)
 171 #define CapabilityInfoGen(Ess,Ibss,Cfp,CfpReq,Priv) ((Ess) ? 0x0001 : 0x0000) | ((Ibss) ? 0x0002 : 0x0000) | ((Cfp) ? 0x0004 : 0x0000) | ((CfpReq) ? 0x0008 : 0x0000) | ((Priv) ? 0x0010: 0x0000)
 172
 173 #define MAC_ADDR_IS_GROUP(Addr)       ((((Addr).Octet[0]) & 0x01) != 0)
 174 #define MAC_ADDR_HASH(Addr)           ((Addr).Octet[0] ^ (Addr).Octet[1] ^ (Addr).Octet[2] ^ (Addr).Octet[3] ^ (Addr).Octet[4] ^ (Addr).Octet[5])
 175 #define MAC_ADDR_HASH_INDEX(Addr)     (MAC_ADDR_HASH(Addr) % HASH_TABLE_SIZE)
 176 #define MAC_ADDR_EQUAL(pAddr1,pAddr2) RTMPEqualMemory((PVOID)(pAddr1), (PVOID)(pAddr2), MAC_ADDR_LEN)
 177 #define COPY_MAC_ADDR(Addr1, Addr2)   memcpy((Addr1), (Addr2), ETH_LENGTH_OF_ADDRESS)
 178 //#define MAKE_BROADCAST_ADDR(Addr)     NdisFillMemory(&Addr, MAC_ADDR_LEN, 0xff)
 179
 180 // LED Control
 181 // assoiation ON. one LED ON. another blinking when TX, OFF when idle
 182 #define ASIC_LED_ACT_ON(pAdapter)         RTMP_IO_WRITE32(pAdapter, LEDCSR, 0x0003461E)
 183 // no association, both LED off
 184 #define ASIC_LED_ACT_OFF(pAdapter)        RTMP_IO_WRITE32(pAdapter, LEDCSR, 0x0000461E)
 185 //#define ASIC_LED_LINK_UP(pAdapter)        RTMP_IO_WRITE32(pAdapter, LEDCSR, 0x00011E46)
 186 //#define ASIC_LED_LINK_DOWN(pAdapter)      RTMP_IO_WRITE32(pAdapter, LEDCSR, 0x00001E46)
 187
 188 #define CAP_IS_ESS_ON(x)                     (((x) & 0x0001) != 0)
 189 #define CAP_IS_IBSS_ON(x)                    (((x) & 0x0002) != 0)
 190 #define CAP_IS_CF_POLLABLE_ON(x)             (((x) & 0x0004) != 0)
 191 #define CAP_IS_CF_POLL_REQ_ON(x)             (((x) & 0x0008) != 0)
 192 #define CAP_IS_PRIVACY_ON(x)                 (((x) & 0x0010) != 0)
 193
 194 // 802.11G capability features
 195 #define CAP_IS_SHORT_PREAMBLE_ON(x)          (((x) & 0x0020) != 0)
 196 #define CAP_IS_PBCC_ON(x)                    (((x) & 0x0040) != 0)
 197 #define CAP_IS_AGILITY_ON(x)                 (((x) & 0x0080) != 0)
 198 #define CAP_IS_EXT_RATE_PBCC_ON(x)           (((x) & 0x0100) != 0)
 199 //#define CAP_IS_CCK_OFDM_ON(x)                (((x) & 0x0200) != 0)
 200 #define CAP_IS_QOS(x)                        (((x) & 0x0200) != 0)  // defined in 802.11e d4.3
 201 #define CAP_IS_SHORT_SLOT_TIME(x)            (((x) & 0x0400) != 0)
 202 #define CAP_IS_APSD(x)                       (((x) & 0x0800) != 0)  // defined in 802.11e d4.3
 203 #define CAP_IS_Q_ACK(x)                      (((x) & 0x1000) != 0)  // defined in 802.11e d4.3
 204 #define CAP_IS_DSSS_OFDM(x)                  (((x) & 0x2000) != 0)
 205 #define CAP_IS_BLOCK_ACK(x)                  (((x) & 0x4000) != 0)  // defined in 802.11e d4.3
 206
 207 #define CAP_GENERATE(ess,ibss,cfp,cfpreq,priv,prea) ((ess) ? 0x0001 : 0x0000) | ((ibss) ? 0x0002 : 0x0000) | ((cfp) ? 0x0004 : 0x0000) | ((cfpreq) ? 0x0008 : 0x0000) | ((priv) ? 0x0010 : 0x0000) | ((prea) ? 0x0020 : 0x0000)
 208
 209 #define ERP_IS_NON_ERP_PRESENT(x)            (((x) & 0x01) != 0)    // define in 802.11g
 210 #define ERP_IS_USE_PROTECTION(x)             (((x) & 0x02) != 0)    // define in 802.11g
 211 #define ERP_IS_USE_BARKER_PREAMBLE(x)        (((x) & 0x04) != 0)    // define in 802.11g
 212
 213 #define TX_FER_TOO_HIGH(TxFER)          ((TxFER) > 15)   // consider rate down if FER>15%
 214 #define TX_FER_VERY_LOW(TxFER)          ((TxFER) < 7)    // consider rate up if FER<7%
 215 #define FAIR_FER                        10               // any value between TOO_HIGH and VERY_LOW
 216 #define DRS_TX_QUALITY_WORST_BOUND      3
 217 #define DRS_PENALTY                     8
 218
 219 // Ralink timer control block
 220 typedef struct  _RALINK_TIMER_STRUCT    {
 221         struct timer_list       TimerObj;               // Ndis Timer object
 222         ULONG                           TimerValue;             // Timer value in milliseconds
 223         BOOLEAN                         State;                  // True if timer cancelled
 224         BOOLEAN                         Repeat;                 // True if periodic timer
 225 }       RALINK_TIMER_STRUCT, *PRALINK_TIMER_STRUCT;
 226
 227 // Mac Address data structure
 228 typedef struct PACKED _MACADDR {
 229     UCHAR     Octet[MAC_ADDR_LEN];
 230 } MACADDR, *PMACADDR;
 231
 232 // Mac Frame Header
 233 typedef struct PACKED _MACHDR {
 234     // 2-byte Frame Control. NOTE: bit field assigned from LSB first
 235 #ifdef BIG_ENDIAN
 236     USHORT    Order:1;
 237     USHORT    Wep:1;
 238     USHORT    MoreData:1;
 239     USHORT    PwrMgmt:1;
 240     USHORT    Retry:1;
 241     USHORT    MoreFrag:1;
 242     USHORT    Frds:1;
 243     USHORT    Tods:1;
 244     USHORT    SubType:4;
 245     USHORT    Type:2;
 246     USHORT    Ver:2;
 247 #else
 248     USHORT    Ver:2;
 249     USHORT    Type:2;
 250     USHORT    SubType:4;
 251     USHORT    Tods:1;
 252     USHORT    Frds:1;
 253     USHORT    MoreFrag:1;
 254     USHORT    Retry:1;
 255     USHORT    PwrMgmt:1;
 256     USHORT    MoreData:1;
 257     USHORT    Wep:1;
 258     USHORT    Order:1;
 259 #endif
 260
 261     USHORT    Duration;
 262     MACADDR   Addr1;
 263     MACADDR   Addr2;
 264     MACADDR   Addr3;
 265
 266 #ifdef BIG_ENDIAN
 267     USHORT    Seq:12;
 268     USHORT    Frag:4;
 269 #else
 270     USHORT    Frag:4;
 271     USHORT    Seq:12;
 272 #endif
 273 } MACHDR, *PMACHDR;
 274
 275 typedef struct PACKED _MACFRAME {
 276     MACHDR    Hdr;
 277     CHAR      Octet[1];
 278 } MACFRAME, *PMACFRAME;
 279
 280 typedef struct PACKED _PSPOLL_FRAME {
 281     USHORT    Ver:2;
 282     USHORT    Type:2;
 283     USHORT    SubType:4;
 284     USHORT    Tods:1;
 285     USHORT    Frds:1;
 286     USHORT    MoreFrag:1;
 287     USHORT    Retry:1;
 288     USHORT    PwrMgmt:1;
 289     USHORT    MoreData:1;
 290     USHORT    Wep:1;
 291     USHORT    Order:1;
 292
 293     USHORT    Aid;
 294     MACADDR   Bssid;
 295     MACADDR   Ta;
 296 } PSPOLL_FRAME;
 297
 298 //
 299 // Contention-free parameter (without ID and Length)
 300 //
 301 typedef struct PACKED _CF_PARM {
 302     UCHAR        CfpCount;
 303     UCHAR        CfpPeriod;
 304     USHORT       CfpMaxDuration;
 305     USHORT       CfpDurRemaining;
 306 } CF_PARM, *PCF_PARM;
 307
 308
 309 typedef struct PACKED _BSS_ENTRY{
 310     MACADDR Bssid;
 311     UCHAR   Channel;
 312     UCHAR   BssType;
 313     USHORT  AtimWin;
 314     USHORT  BeaconPeriod;
 315
 316     UCHAR   Rates[MAX_LEN_OF_SUPPORTED_RATES];
 317     UCHAR   RatesLen;
 318     BOOLEAN ExtendedRateIeExist; // records if this AP use EXTENDED_SUPPORTED_RATES IE
 319     UCHAR   Rssi;
 320     UCHAR   Privacy;            // Indicate security function ON/OFF. Don't mess up with auth mode.
 321     UCHAR   Hidden;
 322
 323     USHORT  DtimPeriod;
 324     USHORT  CapabilityInfo;
 325
 326     USHORT  CfpCount;
 327     USHORT  CfpPeriod;
 328     USHORT  CfpMaxDuration;
 329     USHORT  CfpDurRemaining;
 330     UCHAR   SsidLen;
 331     CHAR    Ssid[MAX_LEN_OF_SSID];
 332
 333     ULONG   LastBeaconRxTime; // OS's timestamp
 334
 335     // New for microsoft WPA support
 336     NDIS_802_11_FIXED_IEs   FixIEs;
 337     NDIS_802_11_WEP_STATUS  WepStatus;
 338     UCHAR                   VarIELen;               // Length of next VIE include EID & Length
 339     UCHAR                   VarIEs[MAX_VIE_LEN];
 340 } BSS_ENTRY, *PBSS_ENTRY;
 341
 342 typedef struct {
 343     UCHAR           BssNr;
 344     BSS_ENTRY       BssEntry[MAX_LEN_OF_BSS_TABLE];
 345 } BSS_TABLE, *PBSS_TABLE;
 346
 347 typedef struct PACKED _MLME_QUEUE_ELEM {
 348     ULONG             Machine;
 349     ULONG             MsgType;
 350     ULONG             MsgLen;
 351     LARGE_INTEGER     TimeStamp;
 352     UCHAR             Msg[MAX_LEN_OF_MLME_BUFFER];
 353     UCHAR             Rssi;
 354     UCHAR             Channel;
 355     BOOLEAN           Occupied;
 356 } MLME_QUEUE_ELEM, *PMLME_QUEUE_ELEM;
 357
 358 typedef struct PACKED _MLME_QUEUE {
 359     ULONG             Num;
 360     ULONG             Head;
 361     ULONG             Tail;
 362     spinlock_t   Lock;
 363     MLME_QUEUE_ELEM  Entry[MAX_LEN_OF_MLME_QUEUE];
 364 } MLME_QUEUE, *PMLME_QUEUE;
 365
 366 typedef VOID (*STATE_MACHINE_FUNC)(VOID *Adaptor, MLME_QUEUE_ELEM *Elem);
 367
 368 typedef struct PACKED _STATE_MACHINE {
 369     ULONG                           Base;
 370     ULONG                           NrState;
 371     ULONG                           NrMsg;
 372     ULONG                           CurrState;
 373     STATE_MACHINE_FUNC             *TransFunc;
 374 } STATE_MACHINE, *PSTATE_MACHINE;
 375
 376 // CNTL State Machine Aux data structure
 377 typedef struct _CNTL_AUX {
 378     UCHAR               Ssid[MAX_LEN_OF_SSID];
 379     UCHAR               SsidLen;
 380     MACADDR             Bssid;
 381     BSS_TABLE           SsidBssTab;     // AP list for the same SSID
 382     BSS_TABLE           RoamTab;        // AP list eligible for roaming
 383     ULONG               BssIdx;
 384     ULONG               RoamIdx;
 385     BOOLEAN             CurrReqIsFromNdis; // TRUE - then we should call NdisMSetInformationComplete()
 386                                            // FALSE - req is from driver itself.
 387                                            // no NdisMSetInformationComplete() is required
 388 } CNTL_AUX, *PCNTL_AUX;
 389
 390 // ASSOC State Machine Aux data structure
 391 typedef struct _ASSOC_AUX {
 392     MACADDR             Addr;
 393     USHORT              CapabilityInfo;
 394     USHORT              ListenIntv;
 395     CHAR                Ssid[MAX_LEN_OF_SSID];
 396     UCHAR               SsidLen;
 397     RALINK_TIMER_STRUCT AssocTimer, ReassocTimer, DisassocTimer;
 398 } ASSOC_AUX, *PASSOC_AUX;
 399
 400 // AUTH State Machine Aux data structure
 401 typedef struct _AUTH_AUX {
 402     MACADDR             Addr;
 403     USHORT              Alg;
 404     RALINK_TIMER_STRUCT AuthTimer;
 405 } AUTH_AUX, *PAUTH_AUX;
 406
 407 // AUTH-RSP State Machine Aux data structure
 408 typedef struct PACKED _AUTH_RSP_AUX {
 409     MACADDR             Addr;
 410     USHORT              Alg;
 411     CHAR                Challenge[CIPHER_TEXT_LEN];
 412     RALINK_TIMER_STRUCT AuthRspTimer;
 413 } AUTH_RSP_AUX, *PAUTH_RSP_AUX;
 414
 415 // SYNC State Machine Aux data structure
 416 typedef struct _SYNC_AUX {
 417     MACADDR             Addr;
 418     MACADDR             Bssid;
 419     UCHAR               BssType;
 420     UCHAR               SsidLen;
 421     CHAR                Ssid[MAX_LEN_OF_SSID];
 422     UCHAR               ScanType;
 423     UCHAR               Channel;
 424     RALINK_TIMER_STRUCT BeaconTimer, ScanTimer;
 425 } SYNC_AUX;
 426
 427  // assoc struct is equal to reassoc
 428 typedef struct PACKED _MLME_ASSOC_REQ_STRUCT{
 429     MACADDR   Addr;
 430     USHORT    CapabilityInfo;
 431     USHORT    ListenIntv;
 432     ULONG     Timeout;
 433 } MLME_ASSOC_REQ_STRUCT, *PMLME_ASSOC_REQ_STRUCT, MLME_REASSOC_REQ_STRUCT, *PMLME_REASSOC_REQ_STRUCT;
 434
 435 typedef struct PACKED _MLME_DISASSOC_REQ_STRUCT{
 436     MACADDR   Addr;
 437     USHORT    Reason;
 438 } MLME_DISASSOC_REQ_STRUCT, *PMLME_DISASSOC_REQ_STRUCT;
 439
 440 typedef struct PACKED _MLME_AUTH_REQ_STRUCT {
 441     MACADDR      Addr;
 442     USHORT       Alg;
 443     ULONG        Timeout;
 444 } MLME_AUTH_REQ_STRUCT, *PMLME_AUTH_REQ_STRUCT;
 445
 446 typedef struct PACKED _MLME_DEAUTH_REQ_STRUCT {
 447     MACADDR      Addr;
 448     USHORT       Reason;
 449 } MLME_DEAUTH_REQ_STRUCT, *PMLME_DEAUTH_REQ_STRUCT;
 450
 451 //typedef struct _MLME_AUTH_IND_STRUCT {
 452 //    MACADDR      Addr;
 453 //    USHORT       Alg;
 454 //} MLME_AUTH_IND_STRUCT, *PMLME_AUTH_IND_STRUCT;
 455
 456 //typedef struct _CLS2ERR_STRUCT {
 457 //    MACADDR      Addr;
 458 //} CLS2ERR_STRUCT, *PCLS2ERR_STRUCT;
 459
 460 typedef struct PACKED _MLME_JOIN_REQ_STRUCT{
 461     ULONG      BssIdx;
 462 } MLME_JOIN_REQ_STRUCT;
 463
 464 typedef struct PACKED _MLME_SCAN_REQ_STRUCT {
 465     MACADDR    Bssid;
 466     UCHAR      BssType;
 467     UCHAR      ScanType;
 468     UCHAR      SsidLen;
 469     CHAR       Ssid[MAX_LEN_OF_SSID];
 470 } MLME_SCAN_REQ_STRUCT, *PMLME_SCAN_REQ_STRUCT;
 471
 472 typedef struct PACKED _MLME_START_REQ_STRUCT {
 473     CHAR        Ssid[MAX_LEN_OF_SSID];
 474     UCHAR       SsidLen;
 475 } MLME_START_REQ_STRUCT, *PMLME_START_REQ_STRUCT;
 476
 477 typedef struct PACKED _ARC4_CONTEXT {
 478     UCHAR x, y, State[256], Key[16];     // 128 bits key
 479 } ARC4_CONTEXT, *PARC4_CONTEXT;
 480
 481 typedef struct PACKED _BEACON_EID_STRUCT {
 482     UCHAR   Eid;
 483     UCHAR   Len;
 484     CHAR   Octet[1];
 485 } BEACON_EID_STRUCT,*PBEACON_EID_STRUCT;
 486
 487 // New for WPA cipher suite
 488 typedef struct PACKED _RSN_EID_STRUCT {
 489     UCHAR   Eid;
 490     UCHAR   Length;
 491     UCHAR   Oui[4];
 492     USHORT  Version;
 493     UCHAR   Multicast[4];
 494     USHORT  Count;
 495     struct  {
 496         UCHAR   Oui[4];
 497     }   Unicast[1];
 498 }   RSN_EID_STRUCT, *PRSN_EID_STRUCT;
 499
 500 extern UCHAR  RateIdToMbps[];
 501 extern USHORT RateIdTo500Kbps[];
 502
 503 #endif  // MLME_H__