drivers/staging/rtl8712/wifi.h

   1 #ifndef _WIFI_H_
   2 #define _WIFI_H_
   3
   4 #include "rtl871x_byteorder.h"
   5
   6 #ifdef BIT
   7 #undef BIT
   8 #endif
   9 #define BIT(x)  (1 << (x))
  10
  11 #define WLAN_ETHHDR_LEN         14
  12 #define WLAN_ETHADDR_LEN        6
  13 #define WLAN_IEEE_OUI_LEN       3
  14 #define WLAN_ADDR_LEN           6
  15 #define WLAN_CRC_LEN            4
  16 #define WLAN_BSSID_LEN          6
  17 #define WLAN_BSS_TS_LEN         8
  18 #define WLAN_HDR_A3_LEN         24
  19 #define WLAN_HDR_A4_LEN         30
  20 #define WLAN_HDR_A3_QOS_LEN     26
  21 #define WLAN_HDR_A4_QOS_LEN     32
  22 #define WLAN_SSID_MAXLEN        32
  23 #define WLAN_DATA_MAXLEN        2312
  24
  25 #define WLAN_A3_PN_OFFSET       24
  26 #define WLAN_A4_PN_OFFSET       30
  27
  28 #define WLAN_MIN_ETHFRM_LEN     60
  29 #define WLAN_MAX_ETHFRM_LEN     1514
  30 #define WLAN_ETHHDR_LEN         14
  31
  32 #define P80211CAPTURE_VERSION   0x80211001
  33
  34 enum WIFI_FRAME_TYPE {
  35         WIFI_MGT_TYPE  =        (0),
  36         WIFI_CTRL_TYPE =        (BIT(2)),
  37         WIFI_DATA_TYPE =        (BIT(3)),
  38         WIFI_QOS_DATA_TYPE      = (BIT(7)|BIT(3)),      /*!< QoS Data */
  39 };
  40
  41 enum WIFI_FRAME_SUBTYPE {
  42         /* below is for mgt frame */
  43         WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
  44         WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
  45         WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
  46         WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  47         WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
  48         WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  49         WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
  50         WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
  51         WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
  52         WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  53         WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
  54         WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  55         /* below is for control frame */
  56         WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
  57         WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  58         WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
  59         WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
  60         WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
  61         WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  62         /* below is for data frame */
  63         WIFI_DATA           = (0 | WIFI_DATA_TYPE),
  64         WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
  65         WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
  66         WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  67         WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
  68         WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
  69         WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
  70         WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  71 };
  72
  73 enum WIFI_REASON_CODE   {
  74         _RSON_RESERVED_                 = 0,
  75         _RSON_UNSPECIFIED_              = 1,
  76         _RSON_AUTH_NO_LONGER_VALID_     = 2,
  77         _RSON_DEAUTH_STA_LEAVING_       = 3,
  78         _RSON_INACTIVITY_               = 4,
  79         _RSON_UNABLE_HANDLE_            = 5,
  80         _RSON_CLS2_                     = 6,
  81         _RSON_CLS3_                     = 7,
  82         _RSON_DISAOC_STA_LEAVING_       = 8,
  83         _RSON_ASOC_NOT_AUTH_            = 9,
  84         /* WPA reason */
  85         _RSON_INVALID_IE_               = 13,
  86         _RSON_MIC_FAILURE_              = 14,
  87         _RSON_4WAY_HNDSHK_TIMEOUT_      = 15,
  88         _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
  89         _RSON_DIFF_IE_                  = 17,
  90         _RSON_MLTCST_CIPHER_NOT_VALID_  = 18,
  91         _RSON_UNICST_CIPHER_NOT_VALID_  = 19,
  92         _RSON_AKMP_NOT_VALID_           = 20,
  93         _RSON_UNSUPPORT_RSNE_VER_       = 21,
  94         _RSON_INVALID_RSNE_CAP_         = 22,
  95         _RSON_IEEE_802DOT1X_AUTH_FAIL_  = 23,
  96         /* below are Realtek definitions */
  97         _RSON_PMK_NOT_AVAILABLE_        = 24,
  98 };
  99
 100 enum WIFI_STATUS_CODE {
 101         _STATS_SUCCESSFUL_              = 0,
 102         _STATS_FAILURE_                 = 1,
 103         _STATS_CAP_FAIL_                = 10,
 104         _STATS_NO_ASOC_                 = 11,
 105         _STATS_OTHER_                   = 12,
 106         _STATS_NO_SUPP_ALG_             = 13,
 107         _STATS_OUT_OF_AUTH_SEQ_         = 14,
 108         _STATS_CHALLENGE_FAIL_          = 15,
 109         _STATS_AUTH_TIMEOUT_            = 16,
 110         _STATS_UNABLE_HANDLE_STA_       = 17,
 111         _STATS_RATE_FAIL_               = 18,
 112 };
 113
 114 enum WIFI_REG_DOMAIN {
 115         DOMAIN_FCC      = 1,
 116         DOMAIN_IC       = 2,
 117         DOMAIN_ETSI     = 3,
 118         DOMAIN_SPAIN    = 4,
 119         DOMAIN_FRANCE   = 5,
 120         DOMAIN_MKK      = 6,
 121         DOMAIN_ISRAEL   = 7,
 122         DOMAIN_MKK1     = 8,
 123         DOMAIN_MKK2     = 9,
 124         DOMAIN_MKK3     = 10,
 125         DOMAIN_MAX
 126 };
 127
 128 #define _TO_DS_         BIT(8)
 129 #define _FROM_DS_       BIT(9)
 130 #define _MORE_FRAG_     BIT(10)
 131 #define _RETRY_         BIT(11)
 132 #define _PWRMGT_        BIT(12)
 133 #define _MORE_DATA_     BIT(13)
 134 #define _PRIVACY_       BIT(14)
 135 #define _ORDER_         BIT(15)
 136
 137 #define SetToDs(pbuf)   \
 138         do      {       \
 139                 *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
 140         } while (0)
 141
 142 #define GetToDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 143                         le16_to_cpu(_TO_DS_)) != 0)
 144
 145 #define ClearToDs(pbuf) \
 146         do      {       \
 147                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
 148         } while (0)
 149
 150 #define SetFrDs(pbuf)   \
 151         do      {       \
 152                 *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
 153         } while (0)
 154
 155 #define GetFrDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 156                         le16_to_cpu(_FROM_DS_)) != 0)
 157
 158 #define ClearFrDs(pbuf) \
 159         do      {       \
 160                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
 161         } while (0)
 162
 163 #define get_tofr_ds(pframe)     ((GetToDs(pframe) << 1) | GetFrDs(pframe))
 164
 165
 166 #define SetMFrag(pbuf)  \
 167         do      {       \
 168                 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
 169         } while (0)
 170
 171 #define GetMFrag(pbuf)  (((*(unsigned short *)(pbuf)) & \
 172                         le16_to_cpu(_MORE_FRAG_)) != 0)
 173
 174 #define ClearMFrag(pbuf)        \
 175         do      {       \
 176                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
 177         } while (0)
 178
 179 #define SetRetry(pbuf)  \
 180         do      {       \
 181                 *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
 182         } while (0)
 183
 184 #define GetRetry(pbuf)  (((*(unsigned short *)(pbuf)) & \
 185                         le16_to_cpu(_RETRY_)) != 0)
 186
 187 #define ClearRetry(pbuf)        \
 188         do      {       \
 189                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
 190         } while (0)
 191
 192 #define SetPwrMgt(pbuf) \
 193         do      {       \
 194                 *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
 195         } while (0)
 196
 197 #define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
 198                         le16_to_cpu(_PWRMGT_)) != 0)
 199
 200 #define ClearPwrMgt(pbuf)       \
 201         do      {       \
 202                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
 203         } while (0)
 204
 205 #define SetMData(pbuf)  \
 206         do      {       \
 207                 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
 208         } while (0)
 209
 210 #define GetMData(pbuf)  (((*(unsigned short *)(pbuf)) & \
 211                         le16_to_cpu(_MORE_DATA_)) != 0)
 212
 213 #define ClearMData(pbuf)        \
 214         do      {       \
 215                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
 216         } while (0)
 217
 218 #define SetPrivacy(pbuf)        \
 219         do      {       \
 220                 *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
 221         } while (0)
 222
 223 #define GetPrivacy(pbuf)        (((*(unsigned short *)(pbuf)) & \
 224                                 le16_to_cpu(_PRIVACY_)) != 0)
 225
 226 #define ClearPrivacy(pbuf)      \
 227         do      {       \
 228                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \
 229         } while (0)
 230
 231
 232 #define GetOrder(pbuf)  (((*(unsigned short *)(pbuf)) & \
 233                         le16_to_cpu(_ORDER_)) != 0)
 234
 235 #define GetFrameType(pbuf)      (le16_to_cpu(*(unsigned short *)(pbuf)) & \
 236                                 (BIT(3) | BIT(2)))
 237
 238 #define SetFrameType(pbuf, type)        \
 239         do {    \
 240                 *(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \
 241                 BIT(2))); \
 242                 *(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \
 243         } while (0)
 244
 245 #define GetFrameSubType(pbuf)   (cpu_to_le16(*(unsigned short *)(pbuf)) & \
 246                                 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 247                                 BIT(2)))
 248
 249 #define SetFrameSubType(pbuf, type) \
 250         do {    \
 251                 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 252                 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 253                 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 254         } while (0)
 255
 256 #define GetSequence(pbuf)       (cpu_to_le16(*(unsigned short *)\
 257                                 ((addr_t)(pbuf) + 22)) >> 4)
 258
 259 #define GetFragNum(pbuf)        (cpu_to_le16(*(unsigned short *)((addr_t)\
 260                                 (pbuf) + 22)) & 0x0f)
 261
 262 #define GetTupleCache(pbuf)     (cpu_to_le16(*(unsigned short *)\
 263                                 ((addr_t)(pbuf) + 22)))
 264
 265 #define SetFragNum(pbuf, num) \
 266         do {    \
 267                 *(unsigned short *)((addr_t)(pbuf) + 22) = \
 268                         ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 269                         le16_to_cpu(~(0x000f))) | \
 270                         cpu_to_le16(0x0f & (num));     \
 271         } while (0)
 272
 273 #define SetSeqNum(pbuf, num) \
 274         do {    \
 275                 *(unsigned short *)((addr_t)(pbuf) + 22) = \
 276                         ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 277                         le16_to_cpu((unsigned short)0x000f)) | \
 278                         le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
 279         } while (0)
 280
 281 #define SetDuration(pbuf, dur) \
 282         do {    \
 283                 *(unsigned short *)((addr_t)(pbuf) + 2) |= \
 284                         cpu_to_le16(0xffff & (dur)); \
 285         } while (0)
 286
 287 #define SetPriority(pbuf, tid)  \
 288         do      {       \
 289                 *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 290         } while (0)
 291
 292 #define GetPriority(pbuf)       ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
 293
 294 #define SetAckpolicy(pbuf, ack) \
 295         do      {       \
 296                 *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 297         } while (0)
 298
 299 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
 300
 301 #define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
 302
 303 #define SetAMsdu(pbuf, amsdu)   \
 304         do      {       \
 305                 *(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \
 306         } while (0)
 307
 308 #define GetAid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
 309                         & 0x3fff)
 310
 311 #define GetTid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + \
 312                         (((GetToDs(pbuf) << 1)|GetFrDs(pbuf)) == 3 ? \
 313                         30 : 24))) & 0x000f)
 314
 315 #define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 316
 317 #define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 318
 319 #define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 320
 321 #define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 322
 323
 324
 325 static inline int IS_MCAST(unsigned char *da)
 326 {
 327         if ((*da) & 0x01)
 328                 return true;
 329         else
 330                 return false;
 331 }
 332
 333
 334 static inline unsigned char *get_da(unsigned char *pframe)
 335 {
 336         unsigned char   *da;
 337         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 338
 339         switch (to_fr_ds) {
 340         case 0x00:      /* ToDs=0, FromDs=0 */
 341                 da = GetAddr1Ptr(pframe);
 342                 break;
 343         case 0x01:      /* ToDs=0, FromDs=1 */
 344                 da = GetAddr1Ptr(pframe);
 345                 break;
 346         case 0x02:      /* ToDs=1, FromDs=0 */
 347                 da = GetAddr3Ptr(pframe);
 348                 break;
 349         default:        /* ToDs=1, FromDs=1 */
 350                 da = GetAddr3Ptr(pframe);
 351                 break;
 352         }
 353         return da;
 354 }
 355
 356
 357 static inline unsigned char *get_sa(unsigned char *pframe)
 358 {
 359         unsigned char   *sa;
 360         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 361
 362         switch (to_fr_ds) {
 363         case 0x00:      /* ToDs=0, FromDs=0 */
 364                 sa = GetAddr2Ptr(pframe);
 365                 break;
 366         case 0x01:      /* ToDs=0, FromDs=1 */
 367                 sa = GetAddr3Ptr(pframe);
 368                 break;
 369         case 0x02:      /* ToDs=1, FromDs=0 */
 370                 sa = GetAddr2Ptr(pframe);
 371                 break;
 372         default:        /* ToDs=1, FromDs=1 */
 373                 sa = GetAddr4Ptr(pframe);
 374                 break;
 375         }
 376
 377         return sa;
 378 }
 379
 380 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 381 {
 382         unsigned char   *sa;
 383         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 384
 385         switch (to_fr_ds) {
 386         case 0x00:      /* ToDs=0, FromDs=0 */
 387                 sa = GetAddr3Ptr(pframe);
 388                 break;
 389         case 0x01:      /* ToDs=0, FromDs=1 */
 390                 sa = GetAddr2Ptr(pframe);
 391                 break;
 392         case 0x02:      /* ToDs=1, FromDs=0 */
 393                 sa = GetAddr1Ptr(pframe);
 394                 break;
 395         default:        /* ToDs=1, FromDs=1 */
 396                 sa = NULL;
 397                 break;
 398         }
 399         return sa;
 400 }
 401
 402
 403
 404 /*-----------------------------------------------------------------------------
 405                         Below is for the security related definition
 406 ------------------------------------------------------------------------------*/
 407 #define _RESERVED_FRAME_TYPE_   0
 408 #define _SKB_FRAME_TYPE_        2
 409 #define _PRE_ALLOCMEM_          1
 410 #define _PRE_ALLOCHDR_          3
 411 #define _PRE_ALLOCLLCHDR_       4
 412 #define _PRE_ALLOCICVHDR_       5
 413 #define _PRE_ALLOCMICHDR_       6
 414
 415 #define _SIFSTIME_              ((priv->pmib->BssType.net_work_type & \
 416                                 WIRELESS_11A) ? 16 : 10)
 417 #define _ACKCTSLNG_             14      /*14 bytes long, including crclng */
 418 #define _CRCLNG_                4
 419
 420 #define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 421 #define _ASOCRSP_IE_OFFSET_     6
 422 #define _REASOCREQ_IE_OFFSET_   10
 423 #define _REASOCRSP_IE_OFFSET_   6
 424 #define _PROBEREQ_IE_OFFSET_    0
 425 #define _PROBERSP_IE_OFFSET_    12
 426 #define _AUTH_IE_OFFSET_        6
 427 #define _DEAUTH_IE_OFFSET_      0
 428 #define _BEACON_IE_OFFSET_      12
 429
 430 #define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 431
 432 #define _SSID_IE_               0
 433 #define _SUPPORTEDRATES_IE_     1
 434 #define _DSSET_IE_              3
 435 #define _TIM_IE_                5
 436 #define _IBSS_PARA_IE_          6
 437 #define _CHLGETXT_IE_           16
 438 #define _RSN_IE_2_              48`
 439 #define _SSN_IE_1_              221
 440 #define _ERPINFO_IE_            42
 441 #define _EXT_SUPPORTEDRATES_IE_ 50
 442
 443 #define _HT_CAPABILITY_IE_      45
 444 #define _HT_EXTRA_INFO_IE_      61
 445 #define _HT_ADD_INFO_IE_        61 /* _HT_EXTRA_INFO_IE_ */
 446
 447 #define _VENDOR_SPECIFIC_IE_    221
 448
 449 #define _RESERVED47_            47
 450
 451
 452 /* ---------------------------------------------------------------------------
 453                                         Below is the fixed elements...
 454 -----------------------------------------------------------------------------*/
 455 #define _AUTH_ALGM_NUM_                 2
 456 #define _AUTH_SEQ_NUM_                  2
 457 #define _BEACON_ITERVAL_                2
 458 #define _CAPABILITY_                    2
 459 #define _CURRENT_APADDR_                6
 460 #define _LISTEN_INTERVAL_               2
 461 #define _RSON_CODE_                             2
 462 #define _ASOC_ID_                               2
 463 #define _STATUS_CODE_                   2
 464 #define _TIMESTAMP_                             8
 465
 466 #define AUTH_ODD_TO                             0
 467 #define AUTH_EVEN_TO                    1
 468
 469 #define WLAN_ETHCONV_ENCAP              1
 470 #define WLAN_ETHCONV_RFC1042    2
 471 #define WLAN_ETHCONV_8021h              3
 472
 473 #define cap_ESS BIT(0)
 474 #define cap_IBSS BIT(1)
 475 #define cap_CFPollable BIT(2)
 476 #define cap_CFRequest BIT(3)
 477 #define cap_Privacy BIT(4)
 478 #define cap_ShortPremble BIT(5)
 479
 480 /*-----------------------------------------------------------------------------
 481                                 Below is the definition for 802.11i / 802.1x
 482 ------------------------------------------------------------------------------*/
 483 #define _IEEE8021X_MGT_                 1       /*WPA */
 484 #define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 485
 486 /*-----------------------------------------------------------------------------
 487                                 Below is the definition for WMM
 488 ------------------------------------------------------------------------------*/
 489 #define _WMM_IE_Length_                         7  /* for WMM STA */
 490 #define _WMM_Para_Element_Length_               24
 491
 492
 493 /*-----------------------------------------------------------------------------
 494                                 Below is the definition for 802.11n
 495 ------------------------------------------------------------------------------*/
 496
 497 /* block-ack parameters */
 498 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 499 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 500 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 501 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 502 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 503
 504 #define SetOrderBit(pbuf)       \
 505         do      {       \
 506                 *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
 507         } while (0)
 508
 509 #define GetOrderBit(pbuf)       (((*(unsigned short *)(pbuf)) & \
 510                                 le16_to_cpu(_ORDER_)) != 0)
 511
 512
 513 /**
 514  * struct ieee80211_bar - HT Block Ack Request
 515  *
 516  * This structure refers to "HT BlockAckReq" as
 517  * described in 802.11n draft section 7.2.1.7.1
 518  */
 519 struct ieee80211_bar {
 520         unsigned short frame_control;
 521         unsigned short duration;
 522         unsigned char ra[6];
 523         unsigned char ta[6];
 524         unsigned short control;
 525         unsigned short start_seq_num;
 526 } __attribute__((packed));
 527
 528 /* 802.11 BAR control masks */
 529 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
 530 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
 531
 532
 533  /**
 534  * struct ieee80211_ht_cap - HT capabilities
 535  *
 536  * This structure refers to "HT capabilities element" as
 537  * described in 802.11n draft section 7.3.2.52
 538  */
 539
 540 struct ieee80211_ht_cap {
 541         unsigned short  cap_info;
 542         unsigned char   ampdu_params_info;
 543         unsigned char   supp_mcs_set[16];
 544         unsigned short  extended_ht_cap_info;
 545         unsigned int            tx_BF_cap_info;
 546         unsigned char          antenna_selection_info;
 547 } __attribute__ ((packed));
 548
 549 /**
 550  * struct ieee80211_ht_cap - HT additional information
 551  *
 552  * This structure refers to "HT information element" as
 553  * described in 802.11n draft section 7.3.2.53
 554  */
 555 struct ieee80211_ht_addt_info {
 556         unsigned char   control_chan;
 557         unsigned char           ht_param;
 558         unsigned short  operation_mode;
 559         unsigned short  stbc_param;
 560         unsigned char           basic_set[16];
 561 } __attribute__ ((packed));
 562
 563 /* 802.11n HT capabilities masks */
 564 #define IEEE80211_HT_CAP_SUP_WIDTH              0x0002
 565 #define IEEE80211_HT_CAP_SM_PS                  0x000C
 566 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
 567 #define IEEE80211_HT_CAP_SGI_20                 0x0020
 568 #define IEEE80211_HT_CAP_SGI_40                 0x0040
 569 #define IEEE80211_HT_CAP_TX_STBC                        0x0080
 570 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
 571 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
 572 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
 573 /* 802.11n HT capability AMPDU settings */
 574 #define IEEE80211_HT_CAP_AMPDU_FACTOR           0x03
 575 #define IEEE80211_HT_CAP_AMPDU_DENSITY          0x1C
 576 /* 802.11n HT capability MSC set */
 577 #define IEEE80211_SUPP_MCS_SET_UEQM             4
 578 #define IEEE80211_HT_CAP_MAX_STREAMS            4
 579 #define IEEE80211_SUPP_MCS_SET_LEN              10
 580 /* maximum streams the spec allows */
 581 #define IEEE80211_HT_CAP_MCS_TX_DEFINED         0x01
 582 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF         0x02
 583 #define IEEE80211_HT_CAP_MCS_TX_STREAMS         0x0C
 584 #define IEEE80211_HT_CAP_MCS_TX_UEQM            0x10
 585 /* 802.11n HT IE masks */
 586 #define IEEE80211_HT_IE_CHA_SEC_OFFSET          0x03
 587 #define IEEE80211_HT_IE_CHA_SEC_NONE            0x00
 588 #define IEEE80211_HT_IE_CHA_SEC_ABOVE           0x01
 589 #define IEEE80211_HT_IE_CHA_SEC_BELOW           0x03
 590 #define IEEE80211_HT_IE_CHA_WIDTH               0x04
 591 #define IEEE80211_HT_IE_HT_PROTECTION           0x0003
 592 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT        0x0004
 593 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT        0x0010
 594
 595 /* block-ack parameters */
 596 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 597 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 598 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 599 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 600 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 601
 602 /*
 603  * A-PMDU buffer sizes
 604  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 605  */
 606 #define IEEE80211_MIN_AMPDU_BUF 0x8
 607 #define IEEE80211_MAX_AMPDU_BUF 0x40
 608
 609
 610 /* Spatial Multiplexing Power Save Modes */
 611 #define WLAN_HT_CAP_SM_PS_STATIC                0
 612 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
 613 #define WLAN_HT_CAP_SM_PS_INVALID       2
 614 #define WLAN_HT_CAP_SM_PS_DISABLED      3
 615
 616 #endif /* _WIFI_H_ */
 617