linux/drivers/staging/rtl8712/wifi.h
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   1/******************************************************************************
   2 *
   3 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 * Modifications for inclusion into the Linux staging tree are
  19 * Copyright(c) 2010 Larry Finger. All rights reserved.
  20 *
  21 * Contact information:
  22 * WLAN FAE <wlanfae@realtek.com>
  23 * Larry Finger <Larry.Finger@lwfinger.net>
  24 *
  25 ******************************************************************************/
  26#ifndef _WIFI_H_
  27#define _WIFI_H_
  28
  29#include <linux/compiler.h>
  30
  31#define WLAN_IEEE_OUI_LEN       3
  32#define WLAN_CRC_LEN            4
  33#define WLAN_BSSID_LEN          6
  34#define WLAN_BSS_TS_LEN         8
  35#define WLAN_HDR_A3_LEN         24
  36#define WLAN_HDR_A4_LEN         30
  37#define WLAN_HDR_A3_QOS_LEN     26
  38#define WLAN_HDR_A4_QOS_LEN     32
  39#define WLAN_SSID_MAXLEN        32
  40#define WLAN_DATA_MAXLEN        2312
  41
  42#define WLAN_A3_PN_OFFSET       24
  43#define WLAN_A4_PN_OFFSET       30
  44
  45#define WLAN_MIN_ETHFRM_LEN     60
  46#define WLAN_MAX_ETHFRM_LEN     1514
  47
  48#define P80211CAPTURE_VERSION   0x80211001
  49
  50enum WIFI_FRAME_TYPE {
  51        WIFI_MGT_TYPE  =        (0),
  52        WIFI_CTRL_TYPE =        (BIT(2)),
  53        WIFI_DATA_TYPE =        (BIT(3)),
  54        WIFI_QOS_DATA_TYPE      = (BIT(7)|BIT(3)),      /*!< QoS Data */
  55};
  56
  57enum WIFI_FRAME_SUBTYPE {
  58        /* below is for mgt frame */
  59        WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
  60        WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
  61        WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
  62        WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  63        WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
  64        WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  65        WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
  66        WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
  67        WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
  68        WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  69        WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
  70        WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  71        /* below is for control frame */
  72        WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
  73        WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  74        WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
  75        WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
  76        WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
  77        WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  78        /* below is for data frame */
  79        WIFI_DATA           = (0 | WIFI_DATA_TYPE),
  80        WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
  81        WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
  82        WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  83        WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
  84        WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
  85        WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
  86        WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  87};
  88
  89enum WIFI_REASON_CODE   {
  90        _RSON_RESERVED_                 = 0,
  91        _RSON_UNSPECIFIED_              = 1,
  92        _RSON_AUTH_NO_LONGER_VALID_     = 2,
  93        _RSON_DEAUTH_STA_LEAVING_       = 3,
  94        _RSON_INACTIVITY_               = 4,
  95        _RSON_UNABLE_HANDLE_            = 5,
  96        _RSON_CLS2_                     = 6,
  97        _RSON_CLS3_                     = 7,
  98        _RSON_DISAOC_STA_LEAVING_       = 8,
  99        _RSON_ASOC_NOT_AUTH_            = 9,
 100        /* WPA reason */
 101        _RSON_INVALID_IE_               = 13,
 102        _RSON_MIC_FAILURE_              = 14,
 103        _RSON_4WAY_HNDSHK_TIMEOUT_      = 15,
 104        _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
 105        _RSON_DIFF_IE_                  = 17,
 106        _RSON_MLTCST_CIPHER_NOT_VALID_  = 18,
 107        _RSON_UNICST_CIPHER_NOT_VALID_  = 19,
 108        _RSON_AKMP_NOT_VALID_           = 20,
 109        _RSON_UNSUPPORT_RSNE_VER_       = 21,
 110        _RSON_INVALID_RSNE_CAP_         = 22,
 111        _RSON_IEEE_802DOT1X_AUTH_FAIL_  = 23,
 112        /* below are Realtek definitions */
 113        _RSON_PMK_NOT_AVAILABLE_        = 24,
 114};
 115
 116enum WIFI_STATUS_CODE {
 117        _STATS_SUCCESSFUL_              = 0,
 118        _STATS_FAILURE_                 = 1,
 119        _STATS_CAP_FAIL_                = 10,
 120        _STATS_NO_ASOC_                 = 11,
 121        _STATS_OTHER_                   = 12,
 122        _STATS_NO_SUPP_ALG_             = 13,
 123        _STATS_OUT_OF_AUTH_SEQ_         = 14,
 124        _STATS_CHALLENGE_FAIL_          = 15,
 125        _STATS_AUTH_TIMEOUT_            = 16,
 126        _STATS_UNABLE_HANDLE_STA_       = 17,
 127        _STATS_RATE_FAIL_               = 18,
 128};
 129
 130enum WIFI_REG_DOMAIN {
 131        DOMAIN_FCC      = 1,
 132        DOMAIN_IC       = 2,
 133        DOMAIN_ETSI     = 3,
 134        DOMAIN_SPAIN    = 4,
 135        DOMAIN_FRANCE   = 5,
 136        DOMAIN_MKK      = 6,
 137        DOMAIN_ISRAEL   = 7,
 138        DOMAIN_MKK1     = 8,
 139        DOMAIN_MKK2     = 9,
 140        DOMAIN_MKK3     = 10,
 141        DOMAIN_MAX
 142};
 143
 144#define _TO_DS_         BIT(8)
 145#define _FROM_DS_       BIT(9)
 146#define _MORE_FRAG_     BIT(10)
 147#define _RETRY_         BIT(11)
 148#define _PWRMGT_        BIT(12)
 149#define _MORE_DATA_     BIT(13)
 150#define _PRIVACY_       BIT(14)
 151#define _ORDER_         BIT(15)
 152
 153#define SetToDs(pbuf) ({ \
 154        *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
 155})
 156
 157#define GetToDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 158                        le16_to_cpu(_TO_DS_)) != 0)
 159
 160#define ClearToDs(pbuf) ({ \
 161        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
 162})
 163
 164#define SetFrDs(pbuf) ({ \
 165        *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
 166})
 167
 168#define GetFrDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 169                        le16_to_cpu(_FROM_DS_)) != 0)
 170
 171#define ClearFrDs(pbuf) ({ \
 172        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
 173})
 174
 175#define get_tofr_ds(pframe)     ((GetToDs(pframe) << 1) | GetFrDs(pframe))
 176
 177
 178#define SetMFrag(pbuf) ({ \
 179        *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
 180})
 181
 182#define GetMFrag(pbuf)  (((*(unsigned short *)(pbuf)) & \
 183                        le16_to_cpu(_MORE_FRAG_)) != 0)
 184
 185#define ClearMFrag(pbuf) ({ \
 186        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
 187})
 188
 189#define SetRetry(pbuf) ({ \
 190        *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
 191})
 192
 193#define GetRetry(pbuf)  (((*(unsigned short *)(pbuf)) & \
 194                        le16_to_cpu(_RETRY_)) != 0)
 195
 196#define ClearRetry(pbuf) ({ \
 197        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
 198})
 199
 200#define SetPwrMgt(pbuf) ({ \
 201        *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
 202})
 203
 204#define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
 205                        le16_to_cpu(_PWRMGT_)) != 0)
 206
 207#define ClearPwrMgt(pbuf) ({ \
 208        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
 209})
 210
 211#define SetMData(pbuf) ({ \
 212        *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
 213})
 214
 215#define GetMData(pbuf)  (((*(unsigned short *)(pbuf)) & \
 216                        le16_to_cpu(_MORE_DATA_)) != 0)
 217
 218#define ClearMData(pbuf) ({ \
 219        *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
 220})
 221
 222#define SetPrivacy(pbuf) ({ \
 223        *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
 224})
 225
 226#define GetPrivacy(pbuf)        (((*(unsigned short *)(pbuf)) & \
 227                                le16_to_cpu(_PRIVACY_)) != 0)
 228
 229#define GetOrder(pbuf)  (((*(unsigned short *)(pbuf)) & \
 230                        le16_to_cpu(_ORDER_)) != 0)
 231
 232#define GetFrameType(pbuf)      (le16_to_cpu(*(unsigned short *)(pbuf)) & \
 233                                (BIT(3) | BIT(2)))
 234
 235#define SetFrameType(pbuf, type)        \
 236        do {    \
 237                *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
 238                BIT(2))); \
 239                *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 240        } while (0)
 241
 242#define GetFrameSubType(pbuf)   (cpu_to_le16(*(unsigned short *)(pbuf)) & \
 243                                (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 244                                BIT(2)))
 245
 246#define SetFrameSubType(pbuf, type) \
 247        do {    \
 248                *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 249                BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 250                *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 251        } while (0)
 252
 253#define GetSequence(pbuf)       (cpu_to_le16(*(unsigned short *)\
 254                                ((addr_t)(pbuf) + 22)) >> 4)
 255
 256#define GetFragNum(pbuf)        (cpu_to_le16(*(unsigned short *)((addr_t)\
 257                                (pbuf) + 22)) & 0x0f)
 258
 259#define SetSeqNum(pbuf, num) ({ \
 260        *(unsigned short *)((addr_t)(pbuf) + 22) = \
 261        ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 262        le16_to_cpu((unsigned short)0x000f)) | \
 263        le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
 264})
 265
 266#define SetDuration(pbuf, dur) ({ \
 267        *(unsigned short *)((addr_t)(pbuf) + 2) |= \
 268        cpu_to_le16(0xffff & (dur)); \
 269})
 270
 271#define SetPriority(pbuf, tid) ({ \
 272        *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 273})
 274
 275#define GetPriority(pbuf)       ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
 276
 277#define SetAckpolicy(pbuf, ack) ({ \
 278        *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 279})
 280
 281#define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
 282
 283#define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
 284
 285#define GetAid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
 286                        & 0x3fff)
 287
 288#define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 289
 290#define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 291
 292#define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 293
 294#define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 295
 296
 297
 298static inline int IS_MCAST(unsigned char *da)
 299{
 300        if ((*da) & 0x01)
 301                return true;
 302        else
 303                return false;
 304}
 305
 306
 307static inline unsigned char *get_da(unsigned char *pframe)
 308{
 309        unsigned char   *da;
 310        unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 311
 312        switch (to_fr_ds) {
 313        case 0x00:      /* ToDs=0, FromDs=0 */
 314                da = GetAddr1Ptr(pframe);
 315                break;
 316        case 0x01:      /* ToDs=0, FromDs=1 */
 317                da = GetAddr1Ptr(pframe);
 318                break;
 319        case 0x02:      /* ToDs=1, FromDs=0 */
 320                da = GetAddr3Ptr(pframe);
 321                break;
 322        default:        /* ToDs=1, FromDs=1 */
 323                da = GetAddr3Ptr(pframe);
 324                break;
 325        }
 326        return da;
 327}
 328
 329
 330static inline unsigned char *get_sa(unsigned char *pframe)
 331{
 332        unsigned char   *sa;
 333        unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 334
 335        switch (to_fr_ds) {
 336        case 0x00:      /* ToDs=0, FromDs=0 */
 337                sa = GetAddr2Ptr(pframe);
 338                break;
 339        case 0x01:      /* ToDs=0, FromDs=1 */
 340                sa = GetAddr3Ptr(pframe);
 341                break;
 342        case 0x02:      /* ToDs=1, FromDs=0 */
 343                sa = GetAddr2Ptr(pframe);
 344                break;
 345        default:        /* ToDs=1, FromDs=1 */
 346                sa = GetAddr4Ptr(pframe);
 347                break;
 348        }
 349
 350        return sa;
 351}
 352
 353static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 354{
 355        unsigned char   *sa;
 356        unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 357
 358        switch (to_fr_ds) {
 359        case 0x00:      /* ToDs=0, FromDs=0 */
 360                sa = GetAddr3Ptr(pframe);
 361                break;
 362        case 0x01:      /* ToDs=0, FromDs=1 */
 363                sa = GetAddr2Ptr(pframe);
 364                break;
 365        case 0x02:      /* ToDs=1, FromDs=0 */
 366                sa = GetAddr1Ptr(pframe);
 367                break;
 368        default:        /* ToDs=1, FromDs=1 */
 369                sa = NULL;
 370                break;
 371        }
 372        return sa;
 373}
 374
 375
 376
 377/*-----------------------------------------------------------------------------
 378                        Below is for the security related definition
 379------------------------------------------------------------------------------*/
 380#define _RESERVED_FRAME_TYPE_   0
 381#define _SKB_FRAME_TYPE_        2
 382#define _PRE_ALLOCMEM_          1
 383#define _PRE_ALLOCHDR_          3
 384#define _PRE_ALLOCLLCHDR_       4
 385#define _PRE_ALLOCICVHDR_       5
 386#define _PRE_ALLOCMICHDR_       6
 387
 388#define _SIFSTIME_              ((priv->pmib->BssType.net_work_type & \
 389                                WIRELESS_11A) ? 16 : 10)
 390#define _ACKCTSLNG_             14      /*14 bytes long, including crclng */
 391#define _CRCLNG_                4
 392
 393#define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 394#define _ASOCRSP_IE_OFFSET_     6
 395#define _REASOCREQ_IE_OFFSET_   10
 396#define _REASOCRSP_IE_OFFSET_   6
 397#define _PROBEREQ_IE_OFFSET_    0
 398#define _PROBERSP_IE_OFFSET_    12
 399#define _AUTH_IE_OFFSET_        6
 400#define _DEAUTH_IE_OFFSET_      0
 401#define _BEACON_IE_OFFSET_      12
 402
 403#define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 404
 405#define _SSID_IE_               0
 406#define _SUPPORTEDRATES_IE_     1
 407#define _DSSET_IE_              3
 408#define _IBSS_PARA_IE_          6
 409#define _ERPINFO_IE_            42
 410#define _EXT_SUPPORTEDRATES_IE_ 50
 411
 412#define _HT_CAPABILITY_IE_      45
 413#define _HT_EXTRA_INFO_IE_      61
 414#define _HT_ADD_INFO_IE_        61 /* _HT_EXTRA_INFO_IE_ */
 415
 416#define _VENDOR_SPECIFIC_IE_    221
 417
 418#define _RESERVED47_            47
 419
 420
 421/* ---------------------------------------------------------------------------
 422                                        Below is the fixed elements...
 423-----------------------------------------------------------------------------*/
 424#define _AUTH_ALGM_NUM_                 2
 425#define _AUTH_SEQ_NUM_                  2
 426#define _BEACON_ITERVAL_                2
 427#define _CAPABILITY_                    2
 428#define _CURRENT_APADDR_                6
 429#define _LISTEN_INTERVAL_               2
 430#define _RSON_CODE_                             2
 431#define _ASOC_ID_                               2
 432#define _STATUS_CODE_                   2
 433#define _TIMESTAMP_                             8
 434
 435#define AUTH_ODD_TO                             0
 436#define AUTH_EVEN_TO                    1
 437
 438#define WLAN_ETHCONV_ENCAP              1
 439#define WLAN_ETHCONV_RFC1042    2
 440#define WLAN_ETHCONV_8021h              3
 441
 442#define cap_ESS BIT(0)
 443#define cap_IBSS BIT(1)
 444#define cap_CFPollable BIT(2)
 445#define cap_CFRequest BIT(3)
 446#define cap_Privacy BIT(4)
 447#define cap_ShortPremble BIT(5)
 448
 449/*-----------------------------------------------------------------------------
 450                                Below is the definition for 802.11i / 802.1x
 451------------------------------------------------------------------------------*/
 452#define _IEEE8021X_MGT_                 1       /*WPA */
 453#define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 454
 455/*-----------------------------------------------------------------------------
 456                                Below is the definition for WMM
 457------------------------------------------------------------------------------*/
 458#define _WMM_IE_Length_                         7  /* for WMM STA */
 459#define _WMM_Para_Element_Length_               24
 460
 461
 462/*-----------------------------------------------------------------------------
 463                                Below is the definition for 802.11n
 464------------------------------------------------------------------------------*/
 465
 466/* block-ack parameters */
 467#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 468#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 469#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 470#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 471#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 472
 473#define SetOrderBit(pbuf) ({ \
 474        *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
 475})
 476
 477#define GetOrderBit(pbuf)       (((*(unsigned short *)(pbuf)) & \
 478                                le16_to_cpu(_ORDER_)) != 0)
 479
 480
 481/**
 482 * struct ieee80211_bar - HT Block Ack Request
 483 *
 484 * This structure refers to "HT BlockAckReq" as
 485 * described in 802.11n draft section 7.2.1.7.1
 486 */
 487struct ieee80211_bar {
 488        unsigned short frame_control;
 489        unsigned short duration;
 490        unsigned char ra[6];
 491        unsigned char ta[6];
 492        unsigned short control;
 493        unsigned short start_seq_num;
 494} __packed;
 495
 496/* 802.11 BAR control masks */
 497#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
 498#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
 499
 500
 501 /**
 502 * struct ieee80211_ht_cap - HT capabilities
 503 *
 504 * This structure refers to "HT capabilities element" as
 505 * described in 802.11n draft section 7.3.2.52
 506 */
 507
 508struct ieee80211_ht_cap {
 509        unsigned short  cap_info;
 510        unsigned char   ampdu_params_info;
 511        unsigned char   supp_mcs_set[16];
 512        unsigned short  extended_ht_cap_info;
 513        unsigned int            tx_BF_cap_info;
 514        unsigned char          antenna_selection_info;
 515} __packed;
 516
 517/**
 518 * struct ieee80211_ht_cap - HT additional information
 519 *
 520 * This structure refers to "HT information element" as
 521 * described in 802.11n draft section 7.3.2.53
 522 */
 523struct ieee80211_ht_addt_info {
 524        unsigned char   control_chan;
 525        unsigned char           ht_param;
 526        unsigned short  operation_mode;
 527        unsigned short  stbc_param;
 528        unsigned char           basic_set[16];
 529} __packed;
 530
 531/* 802.11n HT capabilities masks */
 532#define IEEE80211_HT_CAP_SUP_WIDTH              0x0002
 533#define IEEE80211_HT_CAP_SM_PS                  0x000C
 534#define IEEE80211_HT_CAP_GRN_FLD                0x0010
 535#define IEEE80211_HT_CAP_SGI_20                 0x0020
 536#define IEEE80211_HT_CAP_SGI_40                 0x0040
 537#define IEEE80211_HT_CAP_TX_STBC                        0x0080
 538#define IEEE80211_HT_CAP_DELAY_BA               0x0400
 539#define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
 540#define IEEE80211_HT_CAP_DSSSCCK40              0x1000
 541/* 802.11n HT capability AMPDU settings */
 542#define IEEE80211_HT_CAP_AMPDU_FACTOR           0x03
 543#define IEEE80211_HT_CAP_AMPDU_DENSITY          0x1C
 544/* 802.11n HT capability MSC set */
 545#define IEEE80211_SUPP_MCS_SET_UEQM             4
 546#define IEEE80211_HT_CAP_MAX_STREAMS            4
 547#define IEEE80211_SUPP_MCS_SET_LEN              10
 548/* maximum streams the spec allows */
 549#define IEEE80211_HT_CAP_MCS_TX_DEFINED         0x01
 550#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF         0x02
 551#define IEEE80211_HT_CAP_MCS_TX_STREAMS         0x0C
 552#define IEEE80211_HT_CAP_MCS_TX_UEQM            0x10
 553/* 802.11n HT IE masks */
 554#define IEEE80211_HT_IE_CHA_SEC_OFFSET          0x03
 555#define IEEE80211_HT_IE_CHA_SEC_NONE            0x00
 556#define IEEE80211_HT_IE_CHA_SEC_ABOVE           0x01
 557#define IEEE80211_HT_IE_CHA_SEC_BELOW           0x03
 558#define IEEE80211_HT_IE_CHA_WIDTH               0x04
 559#define IEEE80211_HT_IE_HT_PROTECTION           0x0003
 560#define IEEE80211_HT_IE_NON_GF_STA_PRSNT        0x0004
 561#define IEEE80211_HT_IE_NON_HT_STA_PRSNT        0x0010
 562
 563/* block-ack parameters */
 564#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 565#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 566#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 567#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 568#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 569
 570/*
 571 * A-PMDU buffer sizes
 572 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 573 */
 574#define IEEE80211_MIN_AMPDU_BUF 0x8
 575#define IEEE80211_MAX_AMPDU_BUF 0x40
 576
 577
 578/* Spatial Multiplexing Power Save Modes */
 579#define WLAN_HT_CAP_SM_PS_STATIC                0
 580#define WLAN_HT_CAP_SM_PS_DYNAMIC       1
 581#define WLAN_HT_CAP_SM_PS_INVALID       2
 582#define WLAN_HT_CAP_SM_PS_DISABLED      3
 583
 584#endif /* _WIFI_H_ */
 585
 586