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 59enum 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 66enum 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 98enum 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 125enum 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 139enum 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 ClearPrivacy(pbuf) ({ \ 239 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \ 240}) 241 242 243#define GetOrder(pbuf) (((*(unsigned short *)(pbuf)) & \ 244 le16_to_cpu(_ORDER_)) != 0) 245 246#define GetFrameType(pbuf) (le16_to_cpu(*(unsigned short *)(pbuf)) & \ 247 (BIT(3) | BIT(2))) 248 249#define SetFrameType(pbuf, type) \ 250 do { \ 251 *(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \ 252 BIT(2))); \ 253 *(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \ 254 } while (0) 255 256#define GetFrameSubType(pbuf) (cpu_to_le16(*(unsigned short *)(pbuf)) & \ 257 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \ 258 BIT(2))) 259 260#define SetFrameSubType(pbuf, type) \ 261 do { \ 262 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \ 263 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \ 264 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \ 265 } while (0) 266 267#define GetSequence(pbuf) (cpu_to_le16(*(unsigned short *)\ 268 ((addr_t)(pbuf) + 22)) >> 4) 269 270#define GetFragNum(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)\ 271 (pbuf) + 22)) & 0x0f) 272 273#define GetTupleCache(pbuf) (cpu_to_le16(*(unsigned short *)\ 274 ((addr_t)(pbuf) + 22))) 275 276#define SetFragNum(pbuf, num) ({ \ 277 *(unsigned short *)((addr_t)(pbuf) + 22) = \ 278 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \ 279 le16_to_cpu(~(0x000f))) | \ 280 cpu_to_le16(0x0f & (num)); \ 281}) 282 283#define SetSeqNum(pbuf, num) ({ \ 284 *(unsigned short *)((addr_t)(pbuf) + 22) = \ 285 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \ 286 le16_to_cpu((unsigned short)0x000f)) | \ 287 le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \ 288}) 289 290#define SetDuration(pbuf, dur) ({ \ 291 *(unsigned short *)((addr_t)(pbuf) + 2) |= \ 292 cpu_to_le16(0xffff & (dur)); \ 293}) 294 295#define SetPriority(pbuf, tid) ({ \ 296 *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \ 297}) 298 299#define GetPriority(pbuf) ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf) 300 301#define SetAckpolicy(pbuf, ack) ({ \ 302 *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \ 303}) 304 305#define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3) 306 307#define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1) 308 309#define SetAMsdu(pbuf, amsdu) ({ \ 310 *(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \ 311}) 312 313#define GetAid(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \ 314 & 0x3fff) 315 316#define GetTid(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + \ 317 (((GetToDs(pbuf) << 1)|GetFrDs(pbuf)) == 3 ? \ 318 30 : 24))) & 0x000f) 319 320#define GetAddr1Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 4)) 321 322#define GetAddr2Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 10)) 323 324#define GetAddr3Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 16)) 325 326#define GetAddr4Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 24)) 327 328 329 330static inline int IS_MCAST(unsigned char *da) 331{ 332 if ((*da) & 0x01) 333 return true; 334 else 335 return false; 336} 337 338 339static inline unsigned char *get_da(unsigned char *pframe) 340{ 341 unsigned char *da; 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 da = GetAddr1Ptr(pframe); 347 break; 348 case 0x01: /* ToDs=0, FromDs=1 */ 349 da = GetAddr1Ptr(pframe); 350 break; 351 case 0x02: /* ToDs=1, FromDs=0 */ 352 da = GetAddr3Ptr(pframe); 353 break; 354 default: /* ToDs=1, FromDs=1 */ 355 da = GetAddr3Ptr(pframe); 356 break; 357 } 358 return da; 359} 360 361 362static inline unsigned char *get_sa(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 = GetAddr2Ptr(pframe); 370 break; 371 case 0x01: /* ToDs=0, FromDs=1 */ 372 sa = GetAddr3Ptr(pframe); 373 break; 374 case 0x02: /* ToDs=1, FromDs=0 */ 375 sa = GetAddr2Ptr(pframe); 376 break; 377 default: /* ToDs=1, FromDs=1 */ 378 sa = GetAddr4Ptr(pframe); 379 break; 380 } 381 382 return sa; 383} 384 385static inline unsigned char *get_hdr_bssid(unsigned char *pframe) 386{ 387 unsigned char *sa; 388 unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe); 389 390 switch (to_fr_ds) { 391 case 0x00: /* ToDs=0, FromDs=0 */ 392 sa = GetAddr3Ptr(pframe); 393 break; 394 case 0x01: /* ToDs=0, FromDs=1 */ 395 sa = GetAddr2Ptr(pframe); 396 break; 397 case 0x02: /* ToDs=1, FromDs=0 */ 398 sa = GetAddr1Ptr(pframe); 399 break; 400 default: /* ToDs=1, FromDs=1 */ 401 sa = NULL; 402 break; 403 } 404 return sa; 405} 406 407 408 409/*----------------------------------------------------------------------------- 410 Below is for the security related definition 411------------------------------------------------------------------------------*/ 412#define _RESERVED_FRAME_TYPE_ 0 413#define _SKB_FRAME_TYPE_ 2 414#define _PRE_ALLOCMEM_ 1 415#define _PRE_ALLOCHDR_ 3 416#define _PRE_ALLOCLLCHDR_ 4 417#define _PRE_ALLOCICVHDR_ 5 418#define _PRE_ALLOCMICHDR_ 6 419 420#define _SIFSTIME_ ((priv->pmib->BssType.net_work_type & \ 421 WIRELESS_11A) ? 16 : 10) 422#define _ACKCTSLNG_ 14 /*14 bytes long, including crclng */ 423#define _CRCLNG_ 4 424 425#define _ASOCREQ_IE_OFFSET_ 4 /* excluding wlan_hdr */ 426#define _ASOCRSP_IE_OFFSET_ 6 427#define _REASOCREQ_IE_OFFSET_ 10 428#define _REASOCRSP_IE_OFFSET_ 6 429#define _PROBEREQ_IE_OFFSET_ 0 430#define _PROBERSP_IE_OFFSET_ 12 431#define _AUTH_IE_OFFSET_ 6 432#define _DEAUTH_IE_OFFSET_ 0 433#define _BEACON_IE_OFFSET_ 12 434 435#define _FIXED_IE_LENGTH_ _BEACON_IE_OFFSET_ 436 437#define _SSID_IE_ 0 438#define _SUPPORTEDRATES_IE_ 1 439#define _DSSET_IE_ 3 440#define _IBSS_PARA_IE_ 6 441#define _ERPINFO_IE_ 42 442#define _EXT_SUPPORTEDRATES_IE_ 50 443 444#define _HT_CAPABILITY_IE_ 45 445#define _HT_EXTRA_INFO_IE_ 61 446#define _HT_ADD_INFO_IE_ 61 /* _HT_EXTRA_INFO_IE_ */ 447 448#define _VENDOR_SPECIFIC_IE_ 221 449 450#define _RESERVED47_ 47 451 452 453/* --------------------------------------------------------------------------- 454 Below is the fixed elements... 455-----------------------------------------------------------------------------*/ 456#define _AUTH_ALGM_NUM_ 2 457#define _AUTH_SEQ_NUM_ 2 458#define _BEACON_ITERVAL_ 2 459#define _CAPABILITY_ 2 460#define _CURRENT_APADDR_ 6 461#define _LISTEN_INTERVAL_ 2 462#define _RSON_CODE_ 2 463#define _ASOC_ID_ 2 464#define _STATUS_CODE_ 2 465#define _TIMESTAMP_ 8 466 467#define AUTH_ODD_TO 0 468#define AUTH_EVEN_TO 1 469 470#define WLAN_ETHCONV_ENCAP 1 471#define WLAN_ETHCONV_RFC1042 2 472#define WLAN_ETHCONV_8021h 3 473 474#define cap_ESS BIT(0) 475#define cap_IBSS BIT(1) 476#define cap_CFPollable BIT(2) 477#define cap_CFRequest BIT(3) 478#define cap_Privacy BIT(4) 479#define cap_ShortPremble BIT(5) 480 481/*----------------------------------------------------------------------------- 482 Below is the definition for 802.11i / 802.1x 483------------------------------------------------------------------------------*/ 484#define _IEEE8021X_MGT_ 1 /*WPA */ 485#define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */ 486 487/*----------------------------------------------------------------------------- 488 Below is the definition for WMM 489------------------------------------------------------------------------------*/ 490#define _WMM_IE_Length_ 7 /* for WMM STA */ 491#define _WMM_Para_Element_Length_ 24 492 493 494/*----------------------------------------------------------------------------- 495 Below is the definition for 802.11n 496------------------------------------------------------------------------------*/ 497 498/* block-ack parameters */ 499#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 500#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 501#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0 502#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 503#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 504 505#define SetOrderBit(pbuf) ({ \ 506 *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \ 507}) 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 */ 519struct 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} __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 540struct 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} __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 */ 555struct 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} __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_ */ 617 618