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 "rtl871x_byteorder.h"
  30 #include <linux/compiler.h>
  31
  32 #ifdef BIT
  33 #undef BIT
  34 #endif
  35 #define BIT(x)  (1 << (x))
  36
  37 #define WLAN_ETHHDR_LEN         14
  38 #define WLAN_ETHADDR_LEN        6
  39 #define WLAN_IEEE_OUI_LEN       3
  40 #define WLAN_ADDR_LEN           6
  41 #define WLAN_CRC_LEN            4
  42 #define WLAN_BSSID_LEN          6
  43 #define WLAN_BSS_TS_LEN         8
  44 #define WLAN_HDR_A3_LEN         24
  45 #define WLAN_HDR_A4_LEN         30
  46 #define WLAN_HDR_A3_QOS_LEN     26
  47 #define WLAN_HDR_A4_QOS_LEN     32
  48 #define WLAN_SSID_MAXLEN        32
  49 #define WLAN_DATA_MAXLEN        2312
  50
  51 #define WLAN_A3_PN_OFFSET       24
  52 #define WLAN_A4_PN_OFFSET       30
  53
  54 #define WLAN_MIN_ETHFRM_LEN     60
  55 #define WLAN_MAX_ETHFRM_LEN     1514
  56 #define WLAN_ETHHDR_LEN         14
  57
  58 #define P80211CAPTURE_VERSION   0x80211001
  59
  60 enum WIFI_FRAME_TYPE {
  61         WIFI_MGT_TYPE  =        (0),
  62         WIFI_CTRL_TYPE =        (BIT(2)),
  63         WIFI_DATA_TYPE =        (BIT(3)),
  64         WIFI_QOS_DATA_TYPE      = (BIT(7)|BIT(3)),      /*!< QoS Data */
  65 };
  66
  67 enum WIFI_FRAME_SUBTYPE {
  68         /* below is for mgt frame */
  69         WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
  70         WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
  71         WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
  72         WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  73         WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
  74         WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  75         WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
  76         WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
  77         WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
  78         WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
  79         WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
  80         WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
  81         /* below is for control frame */
  82         WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
  83         WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  84         WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
  85         WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
  86         WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
  87         WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
  88         /* below is for data frame */
  89         WIFI_DATA           = (0 | WIFI_DATA_TYPE),
  90         WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
  91         WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
  92         WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  93         WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
  94         WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
  95         WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
  96         WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
  97 };
  98
  99 enum WIFI_REASON_CODE   {
 100         _RSON_RESERVED_                 = 0,
 101         _RSON_UNSPECIFIED_              = 1,
 102         _RSON_AUTH_NO_LONGER_VALID_     = 2,
 103         _RSON_DEAUTH_STA_LEAVING_       = 3,
 104         _RSON_INACTIVITY_               = 4,
 105         _RSON_UNABLE_HANDLE_            = 5,
 106         _RSON_CLS2_                     = 6,
 107         _RSON_CLS3_                     = 7,
 108         _RSON_DISAOC_STA_LEAVING_       = 8,
 109         _RSON_ASOC_NOT_AUTH_            = 9,
 110         /* WPA reason */
 111         _RSON_INVALID_IE_               = 13,
 112         _RSON_MIC_FAILURE_              = 14,
 113         _RSON_4WAY_HNDSHK_TIMEOUT_      = 15,
 114         _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
 115         _RSON_DIFF_IE_                  = 17,
 116         _RSON_MLTCST_CIPHER_NOT_VALID_  = 18,
 117         _RSON_UNICST_CIPHER_NOT_VALID_  = 19,
 118         _RSON_AKMP_NOT_VALID_           = 20,
 119         _RSON_UNSUPPORT_RSNE_VER_       = 21,
 120         _RSON_INVALID_RSNE_CAP_         = 22,
 121         _RSON_IEEE_802DOT1X_AUTH_FAIL_  = 23,
 122         /* below are Realtek definitions */
 123         _RSON_PMK_NOT_AVAILABLE_        = 24,
 124 };
 125
 126 enum WIFI_STATUS_CODE {
 127         _STATS_SUCCESSFUL_              = 0,
 128         _STATS_FAILURE_                 = 1,
 129         _STATS_CAP_FAIL_                = 10,
 130         _STATS_NO_ASOC_                 = 11,
 131         _STATS_OTHER_                   = 12,
 132         _STATS_NO_SUPP_ALG_             = 13,
 133         _STATS_OUT_OF_AUTH_SEQ_         = 14,
 134         _STATS_CHALLENGE_FAIL_          = 15,
 135         _STATS_AUTH_TIMEOUT_            = 16,
 136         _STATS_UNABLE_HANDLE_STA_       = 17,
 137         _STATS_RATE_FAIL_               = 18,
 138 };
 139
 140 enum WIFI_REG_DOMAIN {
 141         DOMAIN_FCC      = 1,
 142         DOMAIN_IC       = 2,
 143         DOMAIN_ETSI     = 3,
 144         DOMAIN_SPAIN    = 4,
 145         DOMAIN_FRANCE   = 5,
 146         DOMAIN_MKK      = 6,
 147         DOMAIN_ISRAEL   = 7,
 148         DOMAIN_MKK1     = 8,
 149         DOMAIN_MKK2     = 9,
 150         DOMAIN_MKK3     = 10,
 151         DOMAIN_MAX
 152 };
 153
 154 #define _TO_DS_         BIT(8)
 155 #define _FROM_DS_       BIT(9)
 156 #define _MORE_FRAG_     BIT(10)
 157 #define _RETRY_         BIT(11)
 158 #define _PWRMGT_        BIT(12)
 159 #define _MORE_DATA_     BIT(13)
 160 #define _PRIVACY_       BIT(14)
 161 #define _ORDER_         BIT(15)
 162
 163 #define SetToDs(pbuf)   \
 164         do      {       \
 165                 *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
 166         } while (0)
 167
 168 #define GetToDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 169                         le16_to_cpu(_TO_DS_)) != 0)
 170
 171 #define ClearToDs(pbuf) \
 172         do      {       \
 173                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
 174         } while (0)
 175
 176 #define SetFrDs(pbuf)   \
 177         do      {       \
 178                 *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
 179         } while (0)
 180
 181 #define GetFrDs(pbuf)   (((*(unsigned short *)(pbuf)) & \
 182                         le16_to_cpu(_FROM_DS_)) != 0)
 183
 184 #define ClearFrDs(pbuf) \
 185         do      {       \
 186                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
 187         } while (0)
 188
 189 #define get_tofr_ds(pframe)     ((GetToDs(pframe) << 1) | GetFrDs(pframe))
 190
 191
 192 #define SetMFrag(pbuf)  \
 193         do      {       \
 194                 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
 195         } while (0)
 196
 197 #define GetMFrag(pbuf)  (((*(unsigned short *)(pbuf)) & \
 198                         le16_to_cpu(_MORE_FRAG_)) != 0)
 199
 200 #define ClearMFrag(pbuf)        \
 201         do      {       \
 202                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
 203         } while (0)
 204
 205 #define SetRetry(pbuf)  \
 206         do      {       \
 207                 *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
 208         } while (0)
 209
 210 #define GetRetry(pbuf)  (((*(unsigned short *)(pbuf)) & \
 211                         le16_to_cpu(_RETRY_)) != 0)
 212
 213 #define ClearRetry(pbuf)        \
 214         do      {       \
 215                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
 216         } while (0)
 217
 218 #define SetPwrMgt(pbuf) \
 219         do      {       \
 220                 *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
 221         } while (0)
 222
 223 #define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
 224                         le16_to_cpu(_PWRMGT_)) != 0)
 225
 226 #define ClearPwrMgt(pbuf)       \
 227         do      {       \
 228                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
 229         } while (0)
 230
 231 #define SetMData(pbuf)  \
 232         do      {       \
 233                 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
 234         } while (0)
 235
 236 #define GetMData(pbuf)  (((*(unsigned short *)(pbuf)) & \
 237                         le16_to_cpu(_MORE_DATA_)) != 0)
 238
 239 #define ClearMData(pbuf)        \
 240         do      {       \
 241                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
 242         } while (0)
 243
 244 #define SetPrivacy(pbuf)        \
 245         do      {       \
 246                 *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
 247         } while (0)
 248
 249 #define GetPrivacy(pbuf)        (((*(unsigned short *)(pbuf)) & \
 250                                 le16_to_cpu(_PRIVACY_)) != 0)
 251
 252 #define ClearPrivacy(pbuf)      \
 253         do      {       \
 254                 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \
 255         } while (0)
 256
 257
 258 #define GetOrder(pbuf)  (((*(unsigned short *)(pbuf)) & \
 259                         le16_to_cpu(_ORDER_)) != 0)
 260
 261 #define GetFrameType(pbuf)      (le16_to_cpu(*(unsigned short *)(pbuf)) & \
 262                                 (BIT(3) | BIT(2)))
 263
 264 #define SetFrameType(pbuf, type)        \
 265         do {    \
 266                 *(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \
 267                 BIT(2))); \
 268                 *(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \
 269         } while (0)
 270
 271 #define GetFrameSubType(pbuf)   (cpu_to_le16(*(unsigned short *)(pbuf)) & \
 272                                 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
 273                                 BIT(2)))
 274
 275 #define SetFrameSubType(pbuf, type) \
 276         do {    \
 277                 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
 278                 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
 279                 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
 280         } while (0)
 281
 282 #define GetSequence(pbuf)       (cpu_to_le16(*(unsigned short *)\
 283                                 ((addr_t)(pbuf) + 22)) >> 4)
 284
 285 #define GetFragNum(pbuf)        (cpu_to_le16(*(unsigned short *)((addr_t)\
 286                                 (pbuf) + 22)) & 0x0f)
 287
 288 #define GetTupleCache(pbuf)     (cpu_to_le16(*(unsigned short *)\
 289                                 ((addr_t)(pbuf) + 22)))
 290
 291 #define SetFragNum(pbuf, num) \
 292         do {    \
 293                 *(unsigned short *)((addr_t)(pbuf) + 22) = \
 294                         ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 295                         le16_to_cpu(~(0x000f))) | \
 296                         cpu_to_le16(0x0f & (num));     \
 297         } while (0)
 298
 299 #define SetSeqNum(pbuf, num) \
 300         do {    \
 301                 *(unsigned short *)((addr_t)(pbuf) + 22) = \
 302                         ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
 303                         le16_to_cpu((unsigned short)0x000f)) | \
 304                         le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
 305         } while (0)
 306
 307 #define SetDuration(pbuf, dur) \
 308         do {    \
 309                 *(unsigned short *)((addr_t)(pbuf) + 2) |= \
 310                         cpu_to_le16(0xffff & (dur)); \
 311         } while (0)
 312
 313 #define SetPriority(pbuf, tid)  \
 314         do      {       \
 315                 *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
 316         } while (0)
 317
 318 #define GetPriority(pbuf)       ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
 319
 320 #define SetAckpolicy(pbuf, ack) \
 321         do      {       \
 322                 *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
 323         } while (0)
 324
 325 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
 326
 327 #define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
 328
 329 #define SetAMsdu(pbuf, amsdu)   \
 330         do      {       \
 331                 *(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \
 332         } while (0)
 333
 334 #define GetAid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
 335                         & 0x3fff)
 336
 337 #define GetTid(pbuf)    (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + \
 338                         (((GetToDs(pbuf) << 1)|GetFrDs(pbuf)) == 3 ? \
 339                         30 : 24))) & 0x000f)
 340
 341 #define GetAddr1Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 4))
 342
 343 #define GetAddr2Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 10))
 344
 345 #define GetAddr3Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 16))
 346
 347 #define GetAddr4Ptr(pbuf)       ((unsigned char *)((addr_t)(pbuf) + 24))
 348
 349
 350
 351 static inline int IS_MCAST(unsigned char *da)
 352 {
 353         if ((*da) & 0x01)
 354                 return true;
 355         else
 356                 return false;
 357 }
 358
 359
 360 static inline unsigned char *get_da(unsigned char *pframe)
 361 {
 362         unsigned char   *da;
 363         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 364
 365         switch (to_fr_ds) {
 366         case 0x00:      /* ToDs=0, FromDs=0 */
 367                 da = GetAddr1Ptr(pframe);
 368                 break;
 369         case 0x01:      /* ToDs=0, FromDs=1 */
 370                 da = GetAddr1Ptr(pframe);
 371                 break;
 372         case 0x02:      /* ToDs=1, FromDs=0 */
 373                 da = GetAddr3Ptr(pframe);
 374                 break;
 375         default:        /* ToDs=1, FromDs=1 */
 376                 da = GetAddr3Ptr(pframe);
 377                 break;
 378         }
 379         return da;
 380 }
 381
 382
 383 static inline unsigned char *get_sa(unsigned char *pframe)
 384 {
 385         unsigned char   *sa;
 386         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 387
 388         switch (to_fr_ds) {
 389         case 0x00:      /* ToDs=0, FromDs=0 */
 390                 sa = GetAddr2Ptr(pframe);
 391                 break;
 392         case 0x01:      /* ToDs=0, FromDs=1 */
 393                 sa = GetAddr3Ptr(pframe);
 394                 break;
 395         case 0x02:      /* ToDs=1, FromDs=0 */
 396                 sa = GetAddr2Ptr(pframe);
 397                 break;
 398         default:        /* ToDs=1, FromDs=1 */
 399                 sa = GetAddr4Ptr(pframe);
 400                 break;
 401         }
 402
 403         return sa;
 404 }
 405
 406 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
 407 {
 408         unsigned char   *sa;
 409         unsigned int    to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
 410
 411         switch (to_fr_ds) {
 412         case 0x00:      /* ToDs=0, FromDs=0 */
 413                 sa = GetAddr3Ptr(pframe);
 414                 break;
 415         case 0x01:      /* ToDs=0, FromDs=1 */
 416                 sa = GetAddr2Ptr(pframe);
 417                 break;
 418         case 0x02:      /* ToDs=1, FromDs=0 */
 419                 sa = GetAddr1Ptr(pframe);
 420                 break;
 421         default:        /* ToDs=1, FromDs=1 */
 422                 sa = NULL;
 423                 break;
 424         }
 425         return sa;
 426 }
 427
 428
 429
 430 /*-----------------------------------------------------------------------------
 431                         Below is for the security related definition
 432 ------------------------------------------------------------------------------*/
 433 #define _RESERVED_FRAME_TYPE_   0
 434 #define _SKB_FRAME_TYPE_        2
 435 #define _PRE_ALLOCMEM_          1
 436 #define _PRE_ALLOCHDR_          3
 437 #define _PRE_ALLOCLLCHDR_       4
 438 #define _PRE_ALLOCICVHDR_       5
 439 #define _PRE_ALLOCMICHDR_       6
 440
 441 #define _SIFSTIME_              ((priv->pmib->BssType.net_work_type & \
 442                                 WIRELESS_11A) ? 16 : 10)
 443 #define _ACKCTSLNG_             14      /*14 bytes long, including crclng */
 444 #define _CRCLNG_                4
 445
 446 #define _ASOCREQ_IE_OFFSET_     4       /* excluding wlan_hdr */
 447 #define _ASOCRSP_IE_OFFSET_     6
 448 #define _REASOCREQ_IE_OFFSET_   10
 449 #define _REASOCRSP_IE_OFFSET_   6
 450 #define _PROBEREQ_IE_OFFSET_    0
 451 #define _PROBERSP_IE_OFFSET_    12
 452 #define _AUTH_IE_OFFSET_        6
 453 #define _DEAUTH_IE_OFFSET_      0
 454 #define _BEACON_IE_OFFSET_      12
 455
 456 #define _FIXED_IE_LENGTH_       _BEACON_IE_OFFSET_
 457
 458 #define _SSID_IE_               0
 459 #define _SUPPORTEDRATES_IE_     1
 460 #define _DSSET_IE_              3
 461 #define _TIM_IE_                5
 462 #define _IBSS_PARA_IE_          6
 463 #define _CHLGETXT_IE_           16
 464 #define _RSN_IE_2_              48`
 465 #define _SSN_IE_1_              221
 466 #define _ERPINFO_IE_            42
 467 #define _EXT_SUPPORTEDRATES_IE_ 50
 468
 469 #define _HT_CAPABILITY_IE_      45
 470 #define _HT_EXTRA_INFO_IE_      61
 471 #define _HT_ADD_INFO_IE_        61 /* _HT_EXTRA_INFO_IE_ */
 472
 473 #define _VENDOR_SPECIFIC_IE_    221
 474
 475 #define _RESERVED47_            47
 476
 477
 478 /* ---------------------------------------------------------------------------
 479                                         Below is the fixed elements...
 480 -----------------------------------------------------------------------------*/
 481 #define _AUTH_ALGM_NUM_                 2
 482 #define _AUTH_SEQ_NUM_                  2
 483 #define _BEACON_ITERVAL_                2
 484 #define _CAPABILITY_                    2
 485 #define _CURRENT_APADDR_                6
 486 #define _LISTEN_INTERVAL_               2
 487 #define _RSON_CODE_                             2
 488 #define _ASOC_ID_                               2
 489 #define _STATUS_CODE_                   2
 490 #define _TIMESTAMP_                             8
 491
 492 #define AUTH_ODD_TO                             0
 493 #define AUTH_EVEN_TO                    1
 494
 495 #define WLAN_ETHCONV_ENCAP              1
 496 #define WLAN_ETHCONV_RFC1042    2
 497 #define WLAN_ETHCONV_8021h              3
 498
 499 #define cap_ESS BIT(0)
 500 #define cap_IBSS BIT(1)
 501 #define cap_CFPollable BIT(2)
 502 #define cap_CFRequest BIT(3)
 503 #define cap_Privacy BIT(4)
 504 #define cap_ShortPremble BIT(5)
 505
 506 /*-----------------------------------------------------------------------------
 507                                 Below is the definition for 802.11i / 802.1x
 508 ------------------------------------------------------------------------------*/
 509 #define _IEEE8021X_MGT_                 1       /*WPA */
 510 #define _IEEE8021X_PSK_                 2       /* WPA with pre-shared key */
 511
 512 /*-----------------------------------------------------------------------------
 513                                 Below is the definition for WMM
 514 ------------------------------------------------------------------------------*/
 515 #define _WMM_IE_Length_                         7  /* for WMM STA */
 516 #define _WMM_Para_Element_Length_               24
 517
 518
 519 /*-----------------------------------------------------------------------------
 520                                 Below is the definition for 802.11n
 521 ------------------------------------------------------------------------------*/
 522
 523 /* block-ack parameters */
 524 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 525 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 526 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 527 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 528 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 529
 530 #define SetOrderBit(pbuf)       \
 531         do      {       \
 532                 *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
 533         } while (0)
 534
 535 #define GetOrderBit(pbuf)       (((*(unsigned short *)(pbuf)) & \
 536                                 le16_to_cpu(_ORDER_)) != 0)
 537
 538
 539 /**
 540  * struct ieee80211_bar - HT Block Ack Request
 541  *
 542  * This structure refers to "HT BlockAckReq" as
 543  * described in 802.11n draft section 7.2.1.7.1
 544  */
 545 struct ieee80211_bar {
 546         unsigned short frame_control;
 547         unsigned short duration;
 548         unsigned char ra[6];
 549         unsigned char ta[6];
 550         unsigned short control;
 551         unsigned short start_seq_num;
 552 } __packed;
 553
 554 /* 802.11 BAR control masks */
 555 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
 556 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
 557
 558
 559  /**
 560  * struct ieee80211_ht_cap - HT capabilities
 561  *
 562  * This structure refers to "HT capabilities element" as
 563  * described in 802.11n draft section 7.3.2.52
 564  */
 565
 566 struct ieee80211_ht_cap {
 567         unsigned short  cap_info;
 568         unsigned char   ampdu_params_info;
 569         unsigned char   supp_mcs_set[16];
 570         unsigned short  extended_ht_cap_info;
 571         unsigned int            tx_BF_cap_info;
 572         unsigned char          antenna_selection_info;
 573 } __packed;
 574
 575 /**
 576  * struct ieee80211_ht_cap - HT additional information
 577  *
 578  * This structure refers to "HT information element" as
 579  * described in 802.11n draft section 7.3.2.53
 580  */
 581 struct ieee80211_ht_addt_info {
 582         unsigned char   control_chan;
 583         unsigned char           ht_param;
 584         unsigned short  operation_mode;
 585         unsigned short  stbc_param;
 586         unsigned char           basic_set[16];
 587 } __packed;
 588
 589 /* 802.11n HT capabilities masks */
 590 #define IEEE80211_HT_CAP_SUP_WIDTH              0x0002
 591 #define IEEE80211_HT_CAP_SM_PS                  0x000C
 592 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
 593 #define IEEE80211_HT_CAP_SGI_20                 0x0020
 594 #define IEEE80211_HT_CAP_SGI_40                 0x0040
 595 #define IEEE80211_HT_CAP_TX_STBC                        0x0080
 596 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
 597 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
 598 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
 599 /* 802.11n HT capability AMPDU settings */
 600 #define IEEE80211_HT_CAP_AMPDU_FACTOR           0x03
 601 #define IEEE80211_HT_CAP_AMPDU_DENSITY          0x1C
 602 /* 802.11n HT capability MSC set */
 603 #define IEEE80211_SUPP_MCS_SET_UEQM             4
 604 #define IEEE80211_HT_CAP_MAX_STREAMS            4
 605 #define IEEE80211_SUPP_MCS_SET_LEN              10
 606 /* maximum streams the spec allows */
 607 #define IEEE80211_HT_CAP_MCS_TX_DEFINED         0x01
 608 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF         0x02
 609 #define IEEE80211_HT_CAP_MCS_TX_STREAMS         0x0C
 610 #define IEEE80211_HT_CAP_MCS_TX_UEQM            0x10
 611 /* 802.11n HT IE masks */
 612 #define IEEE80211_HT_IE_CHA_SEC_OFFSET          0x03
 613 #define IEEE80211_HT_IE_CHA_SEC_NONE            0x00
 614 #define IEEE80211_HT_IE_CHA_SEC_ABOVE           0x01
 615 #define IEEE80211_HT_IE_CHA_SEC_BELOW           0x03
 616 #define IEEE80211_HT_IE_CHA_WIDTH               0x04
 617 #define IEEE80211_HT_IE_HT_PROTECTION           0x0003
 618 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT        0x0004
 619 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT        0x0010
 620
 621 /* block-ack parameters */
 622 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 623 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 624 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
 625 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
 626 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
 627
 628 /*
 629  * A-PMDU buffer sizes
 630  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 631  */
 632 #define IEEE80211_MIN_AMPDU_BUF 0x8
 633 #define IEEE80211_MAX_AMPDU_BUF 0x40
 634
 635
 636 /* Spatial Multiplexing Power Save Modes */
 637 #define WLAN_HT_CAP_SM_PS_STATIC                0
 638 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
 639 #define WLAN_HT_CAP_SM_PS_INVALID       2
 640 #define WLAN_HT_CAP_SM_PS_DISABLED      3
 641
 642 #endif /* _WIFI_H_ */
 643