drivers/staging/rtl8712/wifi.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5  *
   6  * Modifications for inclusion into the Linux staging tree are
   7  * Copyright(c) 2010 Larry Finger. All rights reserved.
   8  *
   9  * Contact information:
  10  * WLAN FAE <wlanfae@realtek.com>
  11  * Larry Finger <Larry.Finger@lwfinger.net>
  12  *
  13  ******************************************************************************/
  14 #ifndef _WIFI_H_
  15 #define _WIFI_H_
  16
  17 #include <linux/compiler.h>
  18
  19 #define WLAN_IEEE_OUI_LEN       3
  20 #define WLAN_CRC_LEN            4
  21 #define WLAN_BSSID_LEN          6
  22 #define WLAN_BSS_TS_LEN         8
  23 #define WLAN_HDR_A3_LEN         24
  24 #define WLAN_HDR_A4_LEN         30
  25 #define WLAN_HDR_A3_QOS_LEN     26
  26 #define WLAN_HDR_A4_QOS_LEN     32
  27 #define WLAN_SSID_MAXLEN        32
  28 #define WLAN_DATA_MAXLEN        2312
  29
  30 #define WLAN_A3_PN_OFFSET       24
  31 #define WLAN_A4_PN_OFFSET       30
  32
  33 #define WLAN_MIN_ETHFRM_LEN     60
  34 #define WLAN_MAX_ETHFRM_LEN     1514
  35
  36 #define P80211CAPTURE_VERSION   0x80211001
  37
  38 enum WIFI_FRAME_TYPE {
  39         WIFI_MGT_TYPE  =        (0),
  40         WIFI_CTRL_TYPE =        (BIT(2)),
  41         WIFI_DATA_TYPE =        (BIT(3)),
  42         WIFI_QOS_DATA_TYPE      = (BIT(7)|BIT(3)),      /*!< QoS Data */
  43 };
  44
  45 enum WIFI_FRAME_SUBTYPE {
  46         /* below is for mgt frame */
  47         WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
  48         WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
  49         WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
  50         WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  51         WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
  52         WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  53         WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
  54         WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
  55         WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
  56         WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  57         WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
  58         WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  59         /* below is for control frame */
  60         WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
  61         WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  62         WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
  63         WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
  64         WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
  65         WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  66         /* below is for data frame */
  67         WIFI_DATA           = (0 | WIFI_DATA_TYPE),
  68         WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
  69         WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
  70         WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  71         WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
  72         WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
  73         WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
  74         WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  75 };
  76
  77 enum WIFI_REASON_CODE   {
  78         _RSON_RESERVED_                 = 0,
  79         _RSON_UNSPECIFIED_              = 1,
  80         _RSON_AUTH_NO_LONGER_VALID_     = 2,
  81         _RSON_DEAUTH_STA_LEAVING_       = 3,
  82         _RSON_INACTIVITY_               = 4,
  83         _RSON_UNABLE_HANDLE_            = 5,
  84         _RSON_CLS2_                     = 6,
  85         _RSON_CLS3_                     = 7,
  86         _RSON_DISAOC_STA_LEAVING_       = 8,
  87         _RSON_ASOC_NOT_AUTH_            = 9,
  88         /* WPA reason */
  89         _RSON_INVALID_IE_               = 13,
  90         _RSON_MIC_FAILURE_              = 14,
  91         _RSON_4WAY_HNDSHK_TIMEOUT_      = 15,
  92         _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
  93         _RSON_DIFF_IE_                  = 17,
  94         _RSON_MLTCST_CIPHER_NOT_VALID_  = 18,
  95         _RSON_UNICST_CIPHER_NOT_VALID_  = 19,
  96         _RSON_AKMP_NOT_VALID_           = 20,
  97         _RSON_UNSUPPORT_RSNE_VER_       = 21,
  98         _RSON_INVALID_RSNE_CAP_         = 22,
  99         _RSON_IEEE_802DOT1X_AUTH_FAIL_  = 23,
 100         /* below are Realtek definitions */
 101         _RSON_PMK_NOT_AVAILABLE_        = 24,
 102 };
 103
 104 enum WIFI_STATUS_CODE {
 105         _STATS_SUCCESSFUL_              = 0,
 106         _STATS_FAILURE_                 = 1,
 107         _STATS_CAP_FAIL_                = 10,
 108         _STATS_NO_ASOC_                 = 11,
 109         _STATS_OTHER_                   = 12,
 110         _STATS_NO_SUPP_ALG_             = 13,
 111         _STATS_OUT_OF_AUTH_SEQ_         = 14,
 112         _STATS_CHALLENGE_FAIL_          = 15,
 113         _STATS_AUTH_TIMEOUT_            = 16,
 114         _STATS_UNABLE_HANDLE_STA_       = 17,
 115         _STATS_RATE_FAIL_               = 18,
 116 };
 117
 118 enum WIFI_REG_DOMAIN {
 119         DOMAIN_FCC      = 1,
 120         DOMAIN_IC       = 2,
 121         DOMAIN_ETSI     = 3,
 122         DOMAIN_SPAIN    = 4,
 123         DOMAIN_FRANCE   = 5,
 124         DOMAIN_MKK      = 6,
 125         DOMAIN_ISRAEL   = 7,
 126         DOMAIN_MKK1     = 8,
 127         DOMAIN_MKK2     = 9,
 128         DOMAIN_MKK3     = 10,
 129         DOMAIN_MAX
 130 };
 131
 132 #define _TO_DS_         BIT(8)
 133 #define _FROM_DS_       BIT(9)
 134 #define _MORE_FRAG_     BIT(10)
 135 #define _RETRY_         BIT(11)
 136 #define _PWRMGT_        BIT(12)
 137 #define _MORE_DATA_     BIT(13)
 138 #define _PRIVACY_       BIT(14)
 139 #define _ORDER_         BIT(15)
 140
 141 #define SetToDs(pbuf) ({ \
 142         *(__le16 *)(pbuf) |= cpu_to_le16(_TO_DS_); \
 143 })
 144
 145 #define GetToDs(pbuf)   (((*(__le16 *)(pbuf)) & cpu_to_le16(_TO_DS_)) != 0)
 146
 147 #define ClearToDs(pbuf) ({ \
 148         *(__le16 *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
 149 })
 150
 151 #define SetFrDs(pbuf) ({ \
 152         *(__le16 *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
 153 })
 154
 155 #define GetFrDs(pbuf)   (((*(__le16 *)(pbuf)) & cpu_to_le16(_FROM_DS_)) != 0)
 156
 157 #define ClearFrDs(pbuf) ({ \
 158         *(__le16 *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
 159 })
 160
 161 static inline unsigned char get_tofr_ds(unsigned char *pframe)
 162 {
 163         return ((GetToDs(pframe) << 1) | GetFrDs(pframe));
 164 }
 165
 166 #define SetMFrag(pbuf) ({ \
 167         *(__le16 *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
 168 })
 169
 170 #define GetMFrag(pbuf)  (((*(__le16 *)(pbuf)) & cpu_to_le16(_MORE_FRAG_)) != 0)
 171
 172 #define ClearMFrag(pbuf) ({ \
 173         *(__le16 *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
 174 })
 175
 176 #define SetRetry(pbuf) ({ \
 177         *(__le16 *)(pbuf) |= cpu_to_le16(_RETRY_); \
 178 })
 179
 180 #define GetRetry(pbuf)  (((*(__le16 *)(pbuf)) & cpu_to_le16(_RETRY_)) != 0)
 181
 182 #define ClearRetry(pbuf) ({ \
 183         *(__le16 *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
 184 })
 185
 186 #define SetPwrMgt(pbuf) ({ \
 187         *(__le16 *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
 188 })
 189
 190 #define GetPwrMgt(pbuf) (((*(__le16 *)(pbuf)) & \
 191                         cpu_to_le16(_PWRMGT_)) != 0)
 192
 193 #define ClearPwrMgt(pbuf) ({ \
 194         *(__le16 *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
 195 })
 196
 197 #define SetMData(pbuf) ({ \
 198         *(__le16 *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
 199 })
 200
 201 #define GetMData(pbuf)  (((*(__le16 *)(pbuf)) & \
 202                         cpu_to_le16(_MORE_DATA_)) != 0)
 203
 204 #define ClearMData(pbuf) ({ \
 205         *(__le16 *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
 206 })
 207
 208 #define SetPrivacy(pbuf) ({ \
 209         *(__le16 *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
 210 })
 211
 212 #define GetPrivacy(pbuf)        (((*(__le16 *)(pbuf)) & \
 213                                 cpu_to_le16(_PRIVACY_)) != 0)
 214
 215 #define GetOrder(pbuf)  (((*(__le16 *)(pbuf)) & \
 216                         cpu_to_le16(_ORDER_)) != 0)
 217
 218 #define GetFrameType(pbuf)      (le16_to_cpu(*(__le16 *)(pbuf)) & \
 219                                 (BIT(3) | BIT(2)))
 220
 221 #define SetFrameType(pbuf, type)        \
 222         do {    \
 223                 *(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
 224                 BIT(2))); \
 225                 *(__le16 *)(pbuf) |= cpu_to_le16(type); \
 226         } while (0)
 227
 228 #define GetFrameSubType(pbuf)   (le16_to_cpu(*(__le16 *)(pbuf)) & \
 229                                 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 230                                 BIT(2)))
 231
 232 #define SetFrameSubType(pbuf, type) \
 233         do {    \
 234                 *(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 235                 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 236                 *(__le16 *)(pbuf) |= cpu_to_le16(type); \
 237         } while (0)
 238
 239 #define GetSequence(pbuf)       (le16_to_cpu(*(__le16 *)\
 240                                 ((addr_t)(pbuf) + 22)) >> 4)
 241
 242 #define GetFragNum(pbuf)        (le16_to_cpu(*(__le16 *)((addr_t)\
 243                                 (pbuf) + 22)) & 0x0f)
 244
 245 #define SetSeqNum(pbuf, num) ({ \
 246         *(__le16 *)((addr_t)(pbuf) + 22) = \
 247         cpu_to_le16((le16_to_cpu(*(__le16 *)((addr_t)(pbuf) + 22)) & \
 248         0x000f) | (0xfff0 & (num << 4))); \
 249 })
 250
 251 #define SetDuration(pbuf, dur) ({ \
 252         *(__le16 *)((addr_t)(pbuf) + 2) |= \
 253         cpu_to_le16(0xffff & (dur)); \
 254 })
 255
 256 #define SetPriority(pbuf, tid) ({ \
 257         *(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 258 })
 259
 260 #define GetPriority(pbuf)       ((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)
 261
 262 #define SetAckpolicy(pbuf, ack) ({ \
 263         *(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 264 })
 265
 266 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)
 267
 268 #define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)
 269
 270 #define GetAid(pbuf)    (cpu_to_le16(*(__le16 *)((addr_t)(pbuf) + 2)) \
 271                         & 0x3fff)
 272
 273 #define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 274
 275 #define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 276
 277 #define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 278
 279 #define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 280
 281 static inline unsigned char *get_da(unsigned char *pframe)
 282 {
 283         unsigned char   *da;
 284         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 285
 286         switch (to_fr_ds) {
 287         case 0x00:      /* ToDs=0, FromDs=0 */
 288                 da = GetAddr1Ptr(pframe);
 289                 break;
 290         case 0x01:      /* ToDs=0, FromDs=1 */
 291                 da = GetAddr1Ptr(pframe);
 292                 break;
 293         case 0x02:      /* ToDs=1, FromDs=0 */
 294                 da = GetAddr3Ptr(pframe);
 295                 break;
 296         default:        /* ToDs=1, FromDs=1 */
 297                 da = GetAddr3Ptr(pframe);
 298                 break;
 299         }
 300         return da;
 301 }
 302
 303 static inline unsigned char *get_sa(unsigned char *pframe)
 304 {
 305         unsigned char   *sa;
 306         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 307
 308         switch (to_fr_ds) {
 309         case 0x00:      /* ToDs=0, FromDs=0 */
 310                 sa = GetAddr2Ptr(pframe);
 311                 break;
 312         case 0x01:      /* ToDs=0, FromDs=1 */
 313                 sa = GetAddr3Ptr(pframe);
 314                 break;
 315         case 0x02:      /* ToDs=1, FromDs=0 */
 316                 sa = GetAddr2Ptr(pframe);
 317                 break;
 318         default:        /* ToDs=1, FromDs=1 */
 319                 sa = GetAddr4Ptr(pframe);
 320                 break;
 321         }
 322
 323         return sa;
 324 }
 325
 326 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 327 {
 328         unsigned char   *sa;
 329         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 330
 331         switch (to_fr_ds) {
 332         case 0x00:      /* ToDs=0, FromDs=0 */
 333                 sa = GetAddr3Ptr(pframe);
 334                 break;
 335         case 0x01:      /* ToDs=0, FromDs=1 */
 336                 sa = GetAddr2Ptr(pframe);
 337                 break;
 338         case 0x02:      /* ToDs=1, FromDs=0 */
 339                 sa = GetAddr1Ptr(pframe);
 340                 break;
 341         default:        /* ToDs=1, FromDs=1 */
 342                 sa = NULL;
 343                 break;
 344         }
 345         return sa;
 346 }
 347
 348 /*-----------------------------------------------------------------------------
 349  *              Below is for the security related definition
 350  *-----------------------------------------------------------------------------
 351  */
 352 #define _RESERVED_FRAME_TYPE_   0
 353 #define _SKB_FRAME_TYPE_        2
 354 #define _PRE_ALLOCMEM_          1
 355 #define _PRE_ALLOCHDR_          3
 356 #define _PRE_ALLOCLLCHDR_       4
 357 #define _PRE_ALLOCICVHDR_       5
 358 #define _PRE_ALLOCMICHDR_       6
 359
 360 #define _SIFSTIME_              ((priv->pmib->BssType.net_work_type & \
 361                                 WIRELESS_11A) ? 16 : 10)
 362 #define _ACKCTSLNG_             14      /*14 bytes long, including crclng */
 363 #define _CRCLNG_                4
 364
 365 #define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 366 #define _ASOCRSP_IE_OFFSET_     6
 367 #define _REASOCREQ_IE_OFFSET_   10
 368 #define _REASOCRSP_IE_OFFSET_   6
 369 #define _PROBEREQ_IE_OFFSET_    0
 370 #define _PROBERSP_IE_OFFSET_    12
 371 #define _AUTH_IE_OFFSET_        6
 372 #define _DEAUTH_IE_OFFSET_      0
 373 #define _BEACON_IE_OFFSET_      12
 374
 375 #define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 376
 377 #define _SSID_IE_               0
 378 #define _SUPPORTEDRATES_IE_     1
 379 #define _DSSET_IE_              3
 380 #define _IBSS_PARA_IE_          6
 381 #define _ERPINFO_IE_            42
 382 #define _EXT_SUPPORTEDRATES_IE_ 50
 383
 384 #define _HT_CAPABILITY_IE_      45
 385 #define _HT_EXTRA_INFO_IE_      61
 386 #define _HT_ADD_INFO_IE_        61 /* _HT_EXTRA_INFO_IE_ */
 387
 388 #define _VENDOR_SPECIFIC_IE_    221
 389
 390 #define _RESERVED47_            47
 391
 392 /* ---------------------------------------------------------------------------
 393  *                      Below is the fixed elements...
 394  * ---------------------------------------------------------------------------
 395  */
 396 #define _AUTH_ALGM_NUM_                 2
 397 #define _AUTH_SEQ_NUM_                  2
 398 #define _BEACON_ITERVAL_                2
 399 #define _CAPABILITY_                    2
 400 #define _CURRENT_APADDR_                6
 401 #define _LISTEN_INTERVAL_               2
 402 #define _RSON_CODE_                             2
 403 #define _ASOC_ID_                               2
 404 #define _STATUS_CODE_                   2
 405 #define _TIMESTAMP_                             8
 406
 407 #define AUTH_ODD_TO                             0
 408 #define AUTH_EVEN_TO                    1
 409
 410 #define WLAN_ETHCONV_ENCAP              1
 411 #define WLAN_ETHCONV_RFC1042    2
 412 #define WLAN_ETHCONV_8021h              3
 413
 414 #define cap_ESS BIT(0)
 415 #define cap_IBSS BIT(1)
 416 #define cap_CFPollable BIT(2)
 417 #define cap_CFRequest BIT(3)
 418 #define cap_Privacy BIT(4)
 419 #define cap_ShortPremble BIT(5)
 420
 421 /*-----------------------------------------------------------------------------
 422  *                      Below is the definition for 802.11i / 802.1x
 423  *------------------------------------------------------------------------------
 424  */
 425 #define _IEEE8021X_MGT_                 1       /*WPA */
 426 #define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 427
 428 /*-----------------------------------------------------------------------------
 429  *                      Below is the definition for WMM
 430  *------------------------------------------------------------------------------
 431  */
 432 #define _WMM_IE_Length_                         7  /* for WMM STA */
 433 #define _WMM_Para_Element_Length_               24
 434
 435 /*-----------------------------------------------------------------------------
 436  *                      Below is the definition for 802.11n
 437  *------------------------------------------------------------------------------
 438  */
 439
 440 /* block-ack parameters */
 441 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 442 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 443 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 444 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 445 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 446
 447 #define SetOrderBit(pbuf) ({ \
 448         *(__le16 *)(pbuf) |= cpu_to_le16(_ORDER_); \
 449 })
 450
 451 #define GetOrderBit(pbuf)       (((*(__le16 *)(pbuf)) & \
 452                                 le16_to_cpu(_ORDER_)) != 0)
 453
 454 /**
 455  * struct ieee80211_bar - HT Block Ack Request
 456  *
 457  * This structure refers to "HT BlockAckReq" as
 458  * described in 802.11n draft section 7.2.1.7.1
 459  */
 460 struct ieee80211_bar {
 461         __le16 frame_control;
 462         __le16 duration;
 463         unsigned char ra[6];
 464         unsigned char ta[6];
 465         __le16 control;
 466         __le16 start_seq_num;
 467 } __packed;
 468
 469 /* 802.11 BAR control masks */
 470 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
 471 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
 472
 473 /*
 474  * struct ieee80211_ht_cap - HT capabilities
 475  *
 476  * This structure refers to "HT capabilities element" as
 477  * described in 802.11n draft section 7.3.2.52
 478  */
 479
 480 struct ieee80211_ht_cap {
 481         __le16  cap_info;
 482         unsigned char   ampdu_params_info;
 483         unsigned char   supp_mcs_set[16];
 484         __le16  extended_ht_cap_info;
 485         __le32  tx_BF_cap_info;
 486         unsigned char          antenna_selection_info;
 487 } __packed;
 488
 489 /**
 490  * struct ieee80211_ht_cap - HT additional information
 491  *
 492  * This structure refers to "HT information element" as
 493  * described in 802.11n draft section 7.3.2.53
 494  */
 495 struct ieee80211_ht_addt_info {
 496         unsigned char   control_chan;
 497         unsigned char           ht_param;
 498         __le16  operation_mode;
 499         __le16  stbc_param;
 500         unsigned char           basic_set[16];
 501 } __packed;
 502
 503 /* 802.11n HT capabilities masks */
 504 #define IEEE80211_HT_CAP_SUP_WIDTH              0x0002
 505 #define IEEE80211_HT_CAP_SM_PS                  0x000C
 506 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
 507 #define IEEE80211_HT_CAP_SGI_20                 0x0020
 508 #define IEEE80211_HT_CAP_SGI_40                 0x0040
 509 #define IEEE80211_HT_CAP_TX_STBC                        0x0080
 510 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
 511 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
 512 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
 513 /* 802.11n HT capability AMPDU settings */
 514 #define IEEE80211_HT_CAP_AMPDU_FACTOR           0x03
 515 #define IEEE80211_HT_CAP_AMPDU_DENSITY          0x1C
 516 /* 802.11n HT capability MSC set */
 517 #define IEEE80211_SUPP_MCS_SET_UEQM             4
 518 #define IEEE80211_HT_CAP_MAX_STREAMS            4
 519 #define IEEE80211_SUPP_MCS_SET_LEN              10
 520 /* maximum streams the spec allows */
 521 #define IEEE80211_HT_CAP_MCS_TX_DEFINED         0x01
 522 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF         0x02
 523 #define IEEE80211_HT_CAP_MCS_TX_STREAMS         0x0C
 524 #define IEEE80211_HT_CAP_MCS_TX_UEQM            0x10
 525 /* 802.11n HT IE masks */
 526 #define IEEE80211_HT_IE_CHA_SEC_OFFSET          0x03
 527 #define IEEE80211_HT_IE_CHA_SEC_NONE            0x00
 528 #define IEEE80211_HT_IE_CHA_SEC_ABOVE           0x01
 529 #define IEEE80211_HT_IE_CHA_SEC_BELOW           0x03
 530 #define IEEE80211_HT_IE_CHA_WIDTH               0x04
 531 #define IEEE80211_HT_IE_HT_PROTECTION           0x0003
 532 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT        0x0004
 533 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT        0x0010
 534
 535 /* block-ack parameters */
 536 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 537 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 538 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 539 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 540 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 541
 542 /*
 543  * A-PMDU buffer sizes
 544  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 545  */
 546 #define IEEE80211_MIN_AMPDU_BUF 0x8
 547
 548 /* Spatial Multiplexing Power Save Modes */
 549 #define WLAN_HT_CAP_SM_PS_STATIC                0
 550 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
 551 #define WLAN_HT_CAP_SM_PS_INVALID       2
 552 #define WLAN_HT_CAP_SM_PS_DISABLED      3
 553
 554 #endif /* _WIFI_H_ */
 555