kernel/drivers/staging/rtl8712/wifi.h

   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 #ifdef BIT
  32 #undef BIT
  33 #endif
  34 #define BIT(x)  (1 << (x))
  35
  36 #define WLAN_ETHHDR_LEN         14
  37 #define WLAN_ETHADDR_LEN        6
  38 #define WLAN_IEEE_OUI_LEN       3
  39 #define WLAN_ADDR_LEN           6
  40 #define WLAN_CRC_LEN            4
  41 #define WLAN_BSSID_LEN          6
  42 #define WLAN_BSS_TS_LEN         8
  43 #define WLAN_HDR_A3_LEN         24
  44 #define WLAN_HDR_A4_LEN         30
  45 #define WLAN_HDR_A3_QOS_LEN     26
  46 #define WLAN_HDR_A4_QOS_LEN     32
  47 #define WLAN_SSID_MAXLEN        32
  48 #define WLAN_DATA_MAXLEN        2312
  49
  50 #define WLAN_A3_PN_OFFSET       24
  51 #define WLAN_A4_PN_OFFSET       30
  52
  53 #define WLAN_MIN_ETHFRM_LEN     60
  54 #define WLAN_MAX_ETHFRM_LEN     1514
  55 #define WLAN_ETHHDR_LEN         14
  56
  57 #define P80211CAPTURE_VERSION   0x80211001
  58
  59 enum WIFI_FRAME_TYPE {
  60         WIFI_MGT_TYPE  =        (0),
  61         WIFI_CTRL_TYPE =        (BIT(2)),
  62         WIFI_DATA_TYPE =        (BIT(3)),
  63         WIFI_QOS_DATA_TYPE      = (BIT(7)|BIT(3)),      /*!< QoS Data */
  64 };
  65
  66 enum WIFI_FRAME_SUBTYPE {
  67         /* below is for mgt frame */
  68         WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
  69         WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
  70         WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
  71         WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  72         WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
  73         WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  74         WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
  75         WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
  76         WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
  77         WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  78         WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
  79         WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  80         /* below is for control frame */
  81         WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
  82         WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  83         WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
  84         WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
  85         WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
  86         WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  87         /* below is for data frame */
  88         WIFI_DATA           = (0 | WIFI_DATA_TYPE),
  89         WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
  90         WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
  91         WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  92         WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
  93         WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
  94         WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
  95         WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  96 };
  97
  98 enum WIFI_REASON_CODE   {
  99         _RSON_RESERVED_                 = 0,
 100         _RSON_UNSPECIFIED_              = 1,
 101         _RSON_AUTH_NO_LONGER_VALID_     = 2,
 102         _RSON_DEAUTH_STA_LEAVING_       = 3,
 103         _RSON_INACTIVITY_               = 4,
 104         _RSON_UNABLE_HANDLE_            = 5,
 105         _RSON_CLS2_                     = 6,
 106         _RSON_CLS3_                     = 7,
 107         _RSON_DISAOC_STA_LEAVING_       = 8,
 108         _RSON_ASOC_NOT_AUTH_            = 9,
 109         /* WPA reason */
 110         _RSON_INVALID_IE_               = 13,
 111         _RSON_MIC_FAILURE_              = 14,
 112         _RSON_4WAY_HNDSHK_TIMEOUT_      = 15,
 113         _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
 114         _RSON_DIFF_IE_                  = 17,
 115         _RSON_MLTCST_CIPHER_NOT_VALID_  = 18,
 116         _RSON_UNICST_CIPHER_NOT_VALID_  = 19,
 117         _RSON_AKMP_NOT_VALID_           = 20,
 118         _RSON_UNSUPPORT_RSNE_VER_       = 21,
 119         _RSON_INVALID_RSNE_CAP_         = 22,
 120         _RSON_IEEE_802DOT1X_AUTH_FAIL_  = 23,
 121         /* below are Realtek definitions */
 122         _RSON_PMK_NOT_AVAILABLE_        = 24,
 123 };
 124
 125 enum WIFI_STATUS_CODE {
 126         _STATS_SUCCESSFUL_              = 0,
 127         _STATS_FAILURE_                 = 1,
 128         _STATS_CAP_FAIL_                = 10,
 129         _STATS_NO_ASOC_                 = 11,
 130         _STATS_OTHER_                   = 12,
 131         _STATS_NO_SUPP_ALG_             = 13,
 132         _STATS_OUT_OF_AUTH_SEQ_         = 14,
 133         _STATS_CHALLENGE_FAIL_          = 15,
 134         _STATS_AUTH_TIMEOUT_            = 16,
 135         _STATS_UNABLE_HANDLE_STA_       = 17,
 136         _STATS_RATE_FAIL_               = 18,
 137 };
 138
 139 enum WIFI_REG_DOMAIN {
 140         DOMAIN_FCC      = 1,
 141         DOMAIN_IC       = 2,
 142         DOMAIN_ETSI     = 3,
 143         DOMAIN_SPAIN    = 4,
 144         DOMAIN_FRANCE   = 5,
 145         DOMAIN_MKK      = 6,
 146         DOMAIN_ISRAEL   = 7,
 147         DOMAIN_MKK1     = 8,
 148         DOMAIN_MKK2     = 9,
 149         DOMAIN_MKK3     = 10,
 150         DOMAIN_MAX
 151 };
 152
 153 #define _TO_DS_         BIT(8)
 154 #define _FROM_DS_       BIT(9)
 155 #define _MORE_FRAG_     BIT(10)
 156 #define _RETRY_         BIT(11)
 157 #define _PWRMGT_        BIT(12)
 158 #define _MORE_DATA_     BIT(13)
 159 #define _PRIVACY_       BIT(14)
 160 #define _ORDER_         BIT(15)
 161
 162 #define SetToDs(pbuf) ({ \
 163         *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
 164 })
 165
 166 #define GetToDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 167                         le16_to_cpu(_TO_DS_)) != 0)
 168
 169 #define ClearToDs(pbuf) ({ \
 170         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
 171 })
 172
 173 #define SetFrDs(pbuf) ({ \
 174         *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
 175 })
 176
 177 #define GetFrDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 178                         le16_to_cpu(_FROM_DS_)) != 0)
 179
 180 #define ClearFrDs(pbuf) ({ \
 181         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
 182 })
 183
 184 #define get_tofr_ds(pframe)     ((GetToDs(pframe) << 1) | GetFrDs(pframe))
 185
 186
 187 #define SetMFrag(pbuf) ({ \
 188         *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
 189 })
 190
 191 #define GetMFrag(pbuf)  (((*(unsigned short *)(pbuf)) & \
 192                         le16_to_cpu(_MORE_FRAG_)) != 0)
 193
 194 #define ClearMFrag(pbuf) ({ \
 195         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
 196 })
 197
 198 #define SetRetry(pbuf) ({ \
 199         *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
 200 })
 201
 202 #define GetRetry(pbuf)  (((*(unsigned short *)(pbuf)) & \
 203                         le16_to_cpu(_RETRY_)) != 0)
 204
 205 #define ClearRetry(pbuf) ({ \
 206         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
 207 })
 208
 209 #define SetPwrMgt(pbuf) ({ \
 210         *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
 211 })
 212
 213 #define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
 214                         le16_to_cpu(_PWRMGT_)) != 0)
 215
 216 #define ClearPwrMgt(pbuf) ({ \
 217         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
 218 })
 219
 220 #define SetMData(pbuf) ({ \
 221         *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
 222 })
 223
 224 #define GetMData(pbuf)  (((*(unsigned short *)(pbuf)) & \
 225                         le16_to_cpu(_MORE_DATA_)) != 0)
 226
 227 #define ClearMData(pbuf) ({ \
 228         *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
 229 })
 230
 231 #define SetPrivacy(pbuf) ({ \
 232         *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
 233 })
 234
 235 #define GetPrivacy(pbuf)        (((*(unsigned short *)(pbuf)) & \
 236                                 le16_to_cpu(_PRIVACY_)) != 0)
 237
 238 #define GetOrder(pbuf)  (((*(unsigned short *)(pbuf)) & \
 239                         le16_to_cpu(_ORDER_)) != 0)
 240
 241 #define GetFrameType(pbuf)      (le16_to_cpu(*(unsigned short *)(pbuf)) & \
 242                                 (BIT(3) | BIT(2)))
 243
 244 #define SetFrameType(pbuf, type)        \
 245         do {    \
 246                 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
 247                 BIT(2))); \
 248                 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 249         } while (0)
 250
 251 #define GetFrameSubType(pbuf)   (cpu_to_le16(*(unsigned short *)(pbuf)) & \
 252                                 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 253                                 BIT(2)))
 254
 255 #define SetFrameSubType(pbuf, type) \
 256         do {    \
 257                 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 258                 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 259                 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 260         } while (0)
 261
 262 #define GetSequence(pbuf)       (cpu_to_le16(*(unsigned short *)\
 263                                 ((addr_t)(pbuf) + 22)) >> 4)
 264
 265 #define GetFragNum(pbuf)        (cpu_to_le16(*(unsigned short *)((addr_t)\
 266                                 (pbuf) + 22)) & 0x0f)
 267
 268 #define SetSeqNum(pbuf, num) ({ \
 269         *(unsigned short *)((addr_t)(pbuf) + 22) = \
 270         ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 271         le16_to_cpu((unsigned short)0x000f)) | \
 272         le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
 273 })
 274
 275 #define SetDuration(pbuf, dur) ({ \
 276         *(unsigned short *)((addr_t)(pbuf) + 2) |= \
 277         cpu_to_le16(0xffff & (dur)); \
 278 })
 279
 280 #define SetPriority(pbuf, tid) ({ \
 281         *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 282 })
 283
 284 #define GetPriority(pbuf)       ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
 285
 286 #define SetAckpolicy(pbuf, ack) ({ \
 287         *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 288 })
 289
 290 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
 291
 292 #define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
 293
 294 #define GetAid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
 295                         & 0x3fff)
 296
 297 #define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 298
 299 #define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 300
 301 #define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 302
 303 #define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 304
 305
 306
 307 static inline int IS_MCAST(unsigned char *da)
 308 {
 309         if ((*da) & 0x01)
 310                 return true;
 311         else
 312                 return false;
 313 }
 314
 315
 316 static inline unsigned char *get_da(unsigned char *pframe)
 317 {
 318         unsigned char   *da;
 319         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 320
 321         switch (to_fr_ds) {
 322         case 0x00:      /* ToDs=0, FromDs=0 */
 323                 da = GetAddr1Ptr(pframe);
 324                 break;
 325         case 0x01:      /* ToDs=0, FromDs=1 */
 326                 da = GetAddr1Ptr(pframe);
 327                 break;
 328         case 0x02:      /* ToDs=1, FromDs=0 */
 329                 da = GetAddr3Ptr(pframe);
 330                 break;
 331         default:        /* ToDs=1, FromDs=1 */
 332                 da = GetAddr3Ptr(pframe);
 333                 break;
 334         }
 335         return da;
 336 }
 337
 338
 339 static inline unsigned char *get_sa(unsigned char *pframe)
 340 {
 341         unsigned char   *sa;
 342         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 343
 344         switch (to_fr_ds) {
 345         case 0x00:      /* ToDs=0, FromDs=0 */
 346                 sa = GetAddr2Ptr(pframe);
 347                 break;
 348         case 0x01:      /* ToDs=0, FromDs=1 */
 349                 sa = GetAddr3Ptr(pframe);
 350                 break;
 351         case 0x02:      /* ToDs=1, FromDs=0 */
 352                 sa = GetAddr2Ptr(pframe);
 353                 break;
 354         default:        /* ToDs=1, FromDs=1 */
 355                 sa = GetAddr4Ptr(pframe);
 356                 break;
 357         }
 358
 359         return sa;
 360 }
 361
 362 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 363 {
 364         unsigned char   *sa;
 365         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 366
 367         switch (to_fr_ds) {
 368         case 0x00:      /* ToDs=0, FromDs=0 */
 369                 sa = GetAddr3Ptr(pframe);
 370                 break;
 371         case 0x01:      /* ToDs=0, FromDs=1 */
 372                 sa = GetAddr2Ptr(pframe);
 373                 break;
 374         case 0x02:      /* ToDs=1, FromDs=0 */
 375                 sa = GetAddr1Ptr(pframe);
 376                 break;
 377         default:        /* ToDs=1, FromDs=1 */
 378                 sa = NULL;
 379                 break;
 380         }
 381         return sa;
 382 }
 383
 384
 385
 386 /*-----------------------------------------------------------------------------
 387                         Below is for the security related definition
 388 ------------------------------------------------------------------------------*/
 389 #define _RESERVED_FRAME_TYPE_   0
 390 #define _SKB_FRAME_TYPE_        2
 391 #define _PRE_ALLOCMEM_          1
 392 #define _PRE_ALLOCHDR_          3
 393 #define _PRE_ALLOCLLCHDR_       4
 394 #define _PRE_ALLOCICVHDR_       5
 395 #define _PRE_ALLOCMICHDR_       6
 396
 397 #define _SIFSTIME_              ((priv->pmib->BssType.net_work_type & \
 398                                 WIRELESS_11A) ? 16 : 10)
 399 #define _ACKCTSLNG_             14      /*14 bytes long, including crclng */
 400 #define _CRCLNG_                4
 401
 402 #define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 403 #define _ASOCRSP_IE_OFFSET_     6
 404 #define _REASOCREQ_IE_OFFSET_   10
 405 #define _REASOCRSP_IE_OFFSET_   6
 406 #define _PROBEREQ_IE_OFFSET_    0
 407 #define _PROBERSP_IE_OFFSET_    12
 408 #define _AUTH_IE_OFFSET_        6
 409 #define _DEAUTH_IE_OFFSET_      0
 410 #define _BEACON_IE_OFFSET_      12
 411
 412 #define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 413
 414 #define _SSID_IE_               0
 415 #define _SUPPORTEDRATES_IE_     1
 416 #define _DSSET_IE_              3
 417 #define _IBSS_PARA_IE_          6
 418 #define _ERPINFO_IE_            42
 419 #define _EXT_SUPPORTEDRATES_IE_ 50
 420
 421 #define _HT_CAPABILITY_IE_      45
 422 #define _HT_EXTRA_INFO_IE_      61
 423 #define _HT_ADD_INFO_IE_        61 /* _HT_EXTRA_INFO_IE_ */
 424
 425 #define _VENDOR_SPECIFIC_IE_    221
 426
 427 #define _RESERVED47_            47
 428
 429
 430 /* ---------------------------------------------------------------------------
 431                                         Below is the fixed elements...
 432 -----------------------------------------------------------------------------*/
 433 #define _AUTH_ALGM_NUM_                 2
 434 #define _AUTH_SEQ_NUM_                  2
 435 #define _BEACON_ITERVAL_                2
 436 #define _CAPABILITY_                    2
 437 #define _CURRENT_APADDR_                6
 438 #define _LISTEN_INTERVAL_               2
 439 #define _RSON_CODE_                             2
 440 #define _ASOC_ID_                               2
 441 #define _STATUS_CODE_                   2
 442 #define _TIMESTAMP_                             8
 443
 444 #define AUTH_ODD_TO                             0
 445 #define AUTH_EVEN_TO                    1
 446
 447 #define WLAN_ETHCONV_ENCAP              1
 448 #define WLAN_ETHCONV_RFC1042    2
 449 #define WLAN_ETHCONV_8021h              3
 450
 451 #define cap_ESS BIT(0)
 452 #define cap_IBSS BIT(1)
 453 #define cap_CFPollable BIT(2)
 454 #define cap_CFRequest BIT(3)
 455 #define cap_Privacy BIT(4)
 456 #define cap_ShortPremble BIT(5)
 457
 458 /*-----------------------------------------------------------------------------
 459                                 Below is the definition for 802.11i / 802.1x
 460 ------------------------------------------------------------------------------*/
 461 #define _IEEE8021X_MGT_                 1       /*WPA */
 462 #define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 463
 464 /*-----------------------------------------------------------------------------
 465                                 Below is the definition for WMM
 466 ------------------------------------------------------------------------------*/
 467 #define _WMM_IE_Length_                         7  /* for WMM STA */
 468 #define _WMM_Para_Element_Length_               24
 469
 470
 471 /*-----------------------------------------------------------------------------
 472                                 Below is the definition for 802.11n
 473 ------------------------------------------------------------------------------*/
 474
 475 /* block-ack parameters */
 476 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 477 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 478 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 479 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 480 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 481
 482 #define SetOrderBit(pbuf) ({ \
 483         *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
 484 })
 485
 486 #define GetOrderBit(pbuf)       (((*(unsigned short *)(pbuf)) & \
 487                                 le16_to_cpu(_ORDER_)) != 0)
 488
 489
 490 /**
 491  * struct ieee80211_bar - HT Block Ack Request
 492  *
 493  * This structure refers to "HT BlockAckReq" as
 494  * described in 802.11n draft section 7.2.1.7.1
 495  */
 496 struct ieee80211_bar {
 497         unsigned short frame_control;
 498         unsigned short duration;
 499         unsigned char ra[6];
 500         unsigned char ta[6];
 501         unsigned short control;
 502         unsigned short start_seq_num;
 503 } __packed;
 504
 505 /* 802.11 BAR control masks */
 506 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
 507 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
 508
 509
 510  /**
 511  * struct ieee80211_ht_cap - HT capabilities
 512  *
 513  * This structure refers to "HT capabilities element" as
 514  * described in 802.11n draft section 7.3.2.52
 515  */
 516
 517 struct ieee80211_ht_cap {
 518         unsigned short  cap_info;
 519         unsigned char   ampdu_params_info;
 520         unsigned char   supp_mcs_set[16];
 521         unsigned short  extended_ht_cap_info;
 522         unsigned int            tx_BF_cap_info;
 523         unsigned char          antenna_selection_info;
 524 } __packed;
 525
 526 /**
 527  * struct ieee80211_ht_cap - HT additional information
 528  *
 529  * This structure refers to "HT information element" as
 530  * described in 802.11n draft section 7.3.2.53
 531  */
 532 struct ieee80211_ht_addt_info {
 533         unsigned char   control_chan;
 534         unsigned char           ht_param;
 535         unsigned short  operation_mode;
 536         unsigned short  stbc_param;
 537         unsigned char           basic_set[16];
 538 } __packed;
 539
 540 /* 802.11n HT capabilities masks */
 541 #define IEEE80211_HT_CAP_SUP_WIDTH              0x0002
 542 #define IEEE80211_HT_CAP_SM_PS                  0x000C
 543 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
 544 #define IEEE80211_HT_CAP_SGI_20                 0x0020
 545 #define IEEE80211_HT_CAP_SGI_40                 0x0040
 546 #define IEEE80211_HT_CAP_TX_STBC                        0x0080
 547 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
 548 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
 549 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
 550 /* 802.11n HT capability AMPDU settings */
 551 #define IEEE80211_HT_CAP_AMPDU_FACTOR           0x03
 552 #define IEEE80211_HT_CAP_AMPDU_DENSITY          0x1C
 553 /* 802.11n HT capability MSC set */
 554 #define IEEE80211_SUPP_MCS_SET_UEQM             4
 555 #define IEEE80211_HT_CAP_MAX_STREAMS            4
 556 #define IEEE80211_SUPP_MCS_SET_LEN              10
 557 /* maximum streams the spec allows */
 558 #define IEEE80211_HT_CAP_MCS_TX_DEFINED         0x01
 559 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF         0x02
 560 #define IEEE80211_HT_CAP_MCS_TX_STREAMS         0x0C
 561 #define IEEE80211_HT_CAP_MCS_TX_UEQM            0x10
 562 /* 802.11n HT IE masks */
 563 #define IEEE80211_HT_IE_CHA_SEC_OFFSET          0x03
 564 #define IEEE80211_HT_IE_CHA_SEC_NONE            0x00
 565 #define IEEE80211_HT_IE_CHA_SEC_ABOVE           0x01
 566 #define IEEE80211_HT_IE_CHA_SEC_BELOW           0x03
 567 #define IEEE80211_HT_IE_CHA_WIDTH               0x04
 568 #define IEEE80211_HT_IE_HT_PROTECTION           0x0003
 569 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT        0x0004
 570 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT        0x0010
 571
 572 /* block-ack parameters */
 573 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 574 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 575 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 576 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 577 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 578
 579 /*
 580  * A-PMDU buffer sizes
 581  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 582  */
 583 #define IEEE80211_MIN_AMPDU_BUF 0x8
 584 #define IEEE80211_MAX_AMPDU_BUF 0x40
 585
 586
 587 /* Spatial Multiplexing Power Save Modes */
 588 #define WLAN_HT_CAP_SM_PS_STATIC                0
 589 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
 590 #define WLAN_HT_CAP_SM_PS_INVALID       2
 591 #define WLAN_HT_CAP_SM_PS_DISABLED      3
 592
 593 #endif /* _WIFI_H_ */
 594