carl9170fw/include/linux/ieee80211.h

   1 /*
   2  * IEEE 802.11 defines
   3  *
   4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   5  * <jkmaline@cc.hut.fi>
   6  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2005, Devicescape Software, Inc.
   8  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102
 103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 104 #define IEEE80211_CTL_EXT_POLL          0x2000
 105 #define IEEE80211_CTL_EXT_SPR           0x3000
 106 #define IEEE80211_CTL_EXT_GRANT 0x4000
 107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 109 #define IEEE80211_CTL_EXT_SSW           0x8000
 110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 112
 113
 114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 117
 118 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
 119 {
 120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 121 }
 122
 123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 124 {
 125         return (sn1 + sn2) & IEEE80211_SN_MASK;
 126 }
 127
 128 static inline u16 ieee80211_sn_inc(u16 sn)
 129 {
 130         return ieee80211_sn_add(sn, 1);
 131 }
 132
 133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 134 {
 135         return (sn1 - sn2) & IEEE80211_SN_MASK;
 136 }
 137
 138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 140
 141 /* miscellaneous IEEE 802.11 constants */
 142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 144 #define IEEE80211_MAX_AID               2007
 145 #define IEEE80211_MAX_TIM_LEN           251
 146 #define IEEE80211_MAX_MESH_PEERINGS     63
 147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 148    6.2.1.1.2.
 149
 150    802.11e clarifies the figure in section 7.1.2. The frame body is
 151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 152 #define IEEE80211_MAX_DATA_LEN          2304
 153 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 154 #define IEEE80211_MAX_FRAME_LEN         2352
 155
 156 #define IEEE80211_MAX_SSID_LEN          32
 157
 158 #define IEEE80211_MAX_MESH_ID_LEN       32
 159
 160 #define IEEE80211_NUM_TIDS              16
 161
 162 #define IEEE80211_QOS_CTL_LEN           2
 163 /* 1d tag mask */
 164 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 165 /* TID mask */
 166 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 167 /* EOSP */
 168 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 169 /* ACK policy */
 170 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 171 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 172 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 173 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 174 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 175 /* A-MSDU 802.11n */
 176 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 177 /* Mesh Control 802.11s */
 178 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 179
 180 /* U-APSD queue for WMM IEs sent by AP */
 181 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 182 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 183
 184 /* U-APSD queues for WMM IEs sent by STA */
 185 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 186 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 187 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 188 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 189 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 190
 191 /* U-APSD max SP length for WMM IEs sent by STA */
 192 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 193 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 194 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 195 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 196 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 197 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 198
 199 #define IEEE80211_HT_CTL_LEN            4
 200
 201 struct ieee80211_hdr {
 202         __le16 frame_control;
 203         __le16 duration_id;
 204         u8 addr1[6];
 205         u8 addr2[6];
 206         u8 addr3[6];
 207         __le16 seq_ctrl;
 208         u8 addr4[6];
 209 } __packed __aligned(2);
 210
 211 struct ieee80211_hdr_3addr {
 212         __le16 frame_control;
 213         __le16 duration_id;
 214         u8 addr1[6];
 215         u8 addr2[6];
 216         u8 addr3[6];
 217         __le16 seq_ctrl;
 218 } __packed __aligned(2);
 219
 220 struct ieee80211_qos_hdr {
 221         __le16 frame_control;
 222         __le16 duration_id;
 223         u8 addr1[6];
 224         u8 addr2[6];
 225         u8 addr3[6];
 226         __le16 seq_ctrl;
 227         __le16 qos_ctrl;
 228 } __packed __aligned(2);
 229
 230 /**
 231  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 232  * @fc: frame control bytes in little-endian byteorder
 233  */
 234 static inline int ieee80211_has_tods(__le16 fc)
 235 {
 236         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 237 }
 238
 239 /**
 240  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 241  * @fc: frame control bytes in little-endian byteorder
 242  */
 243 static inline int ieee80211_has_fromds(__le16 fc)
 244 {
 245         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 246 }
 247
 248 /**
 249  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 250  * @fc: frame control bytes in little-endian byteorder
 251  */
 252 static inline int ieee80211_has_a4(__le16 fc)
 253 {
 254         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 255         return (fc & tmp) == tmp;
 256 }
 257
 258 /**
 259  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 260  * @fc: frame control bytes in little-endian byteorder
 261  */
 262 static inline int ieee80211_has_morefrags(__le16 fc)
 263 {
 264         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 265 }
 266
 267 /**
 268  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 269  * @fc: frame control bytes in little-endian byteorder
 270  */
 271 static inline int ieee80211_has_retry(__le16 fc)
 272 {
 273         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 274 }
 275
 276 /**
 277  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 278  * @fc: frame control bytes in little-endian byteorder
 279  */
 280 static inline int ieee80211_has_pm(__le16 fc)
 281 {
 282         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 283 }
 284
 285 /**
 286  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 287  * @fc: frame control bytes in little-endian byteorder
 288  */
 289 static inline int ieee80211_has_moredata(__le16 fc)
 290 {
 291         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 292 }
 293
 294 /**
 295  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 296  * @fc: frame control bytes in little-endian byteorder
 297  */
 298 static inline int ieee80211_has_protected(__le16 fc)
 299 {
 300         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 301 }
 302
 303 /**
 304  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 305  * @fc: frame control bytes in little-endian byteorder
 306  */
 307 static inline int ieee80211_has_order(__le16 fc)
 308 {
 309         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 310 }
 311
 312 /**
 313  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 314  * @fc: frame control bytes in little-endian byteorder
 315  */
 316 static inline int ieee80211_is_mgmt(__le16 fc)
 317 {
 318         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 319                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 320 }
 321
 322 /**
 323  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 324  * @fc: frame control bytes in little-endian byteorder
 325  */
 326 static inline int ieee80211_is_ctl(__le16 fc)
 327 {
 328         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 329                cpu_to_le16(IEEE80211_FTYPE_CTL);
 330 }
 331
 332 /**
 333  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 334  * @fc: frame control bytes in little-endian byteorder
 335  */
 336 static inline int ieee80211_is_data(__le16 fc)
 337 {
 338         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 339                cpu_to_le16(IEEE80211_FTYPE_DATA);
 340 }
 341
 342 /**
 343  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 344  * @fc: frame control bytes in little-endian byteorder
 345  */
 346 static inline int ieee80211_is_data_qos(__le16 fc)
 347 {
 348         /*
 349          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 350          * to check the one bit
 351          */
 352         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 353                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 354 }
 355
 356 /**
 357  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 358  * @fc: frame control bytes in little-endian byteorder
 359  */
 360 static inline int ieee80211_is_data_present(__le16 fc)
 361 {
 362         /*
 363          * mask with 0x40 and test that that bit is clear to only return true
 364          * for the data-containing substypes.
 365          */
 366         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 367                cpu_to_le16(IEEE80211_FTYPE_DATA);
 368 }
 369
 370 /**
 371  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 372  * @fc: frame control bytes in little-endian byteorder
 373  */
 374 static inline int ieee80211_is_assoc_req(__le16 fc)
 375 {
 376         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 377                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 378 }
 379
 380 /**
 381  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 382  * @fc: frame control bytes in little-endian byteorder
 383  */
 384 static inline int ieee80211_is_assoc_resp(__le16 fc)
 385 {
 386         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 387                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 388 }
 389
 390 /**
 391  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 392  * @fc: frame control bytes in little-endian byteorder
 393  */
 394 static inline int ieee80211_is_reassoc_req(__le16 fc)
 395 {
 396         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 397                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 398 }
 399
 400 /**
 401  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 402  * @fc: frame control bytes in little-endian byteorder
 403  */
 404 static inline int ieee80211_is_reassoc_resp(__le16 fc)
 405 {
 406         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 407                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 408 }
 409
 410 /**
 411  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 412  * @fc: frame control bytes in little-endian byteorder
 413  */
 414 static inline int ieee80211_is_probe_req(__le16 fc)
 415 {
 416         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 417                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 418 }
 419
 420 /**
 421  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 422  * @fc: frame control bytes in little-endian byteorder
 423  */
 424 static inline int ieee80211_is_probe_resp(__le16 fc)
 425 {
 426         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 427                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 428 }
 429
 430 /**
 431  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 432  * @fc: frame control bytes in little-endian byteorder
 433  */
 434 static inline int ieee80211_is_beacon(__le16 fc)
 435 {
 436         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 437                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 438 }
 439
 440 /**
 441  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 442  * @fc: frame control bytes in little-endian byteorder
 443  */
 444 static inline int ieee80211_is_atim(__le16 fc)
 445 {
 446         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 447                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 448 }
 449
 450 /**
 451  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 452  * @fc: frame control bytes in little-endian byteorder
 453  */
 454 static inline int ieee80211_is_disassoc(__le16 fc)
 455 {
 456         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 457                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 458 }
 459
 460 /**
 461  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 462  * @fc: frame control bytes in little-endian byteorder
 463  */
 464 static inline int ieee80211_is_auth(__le16 fc)
 465 {
 466         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 467                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 468 }
 469
 470 /**
 471  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 472  * @fc: frame control bytes in little-endian byteorder
 473  */
 474 static inline int ieee80211_is_deauth(__le16 fc)
 475 {
 476         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 477                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 478 }
 479
 480 /**
 481  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 482  * @fc: frame control bytes in little-endian byteorder
 483  */
 484 static inline int ieee80211_is_action(__le16 fc)
 485 {
 486         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 487                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 488 }
 489
 490 /**
 491  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 492  * @fc: frame control bytes in little-endian byteorder
 493  */
 494 static inline int ieee80211_is_back_req(__le16 fc)
 495 {
 496         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 497                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 498 }
 499
 500 /**
 501  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 502  * @fc: frame control bytes in little-endian byteorder
 503  */
 504 static inline int ieee80211_is_back(__le16 fc)
 505 {
 506         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 507                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 508 }
 509
 510 /**
 511  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 512  * @fc: frame control bytes in little-endian byteorder
 513  */
 514 static inline int ieee80211_is_pspoll(__le16 fc)
 515 {
 516         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 517                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 518 }
 519
 520 /**
 521  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 522  * @fc: frame control bytes in little-endian byteorder
 523  */
 524 static inline int ieee80211_is_rts(__le16 fc)
 525 {
 526         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 527                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 528 }
 529
 530 /**
 531  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 532  * @fc: frame control bytes in little-endian byteorder
 533  */
 534 static inline int ieee80211_is_cts(__le16 fc)
 535 {
 536         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 537                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 538 }
 539
 540 /**
 541  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 542  * @fc: frame control bytes in little-endian byteorder
 543  */
 544 static inline int ieee80211_is_ack(__le16 fc)
 545 {
 546         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 547                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 548 }
 549
 550 /**
 551  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 552  * @fc: frame control bytes in little-endian byteorder
 553  */
 554 static inline int ieee80211_is_cfend(__le16 fc)
 555 {
 556         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 557                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 558 }
 559
 560 /**
 561  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 562  * @fc: frame control bytes in little-endian byteorder
 563  */
 564 static inline int ieee80211_is_cfendack(__le16 fc)
 565 {
 566         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 567                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 568 }
 569
 570 /**
 571  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 572  * @fc: frame control bytes in little-endian byteorder
 573  */
 574 static inline int ieee80211_is_nullfunc(__le16 fc)
 575 {
 576         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 577                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 578 }
 579
 580 /**
 581  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 582  * @fc: frame control bytes in little-endian byteorder
 583  */
 584 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
 585 {
 586         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 587                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 588 }
 589
 590 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 591 {
 592         unsigned int hdrlen = 24;
 593
 594         if (ieee80211_has_a4(fc))
 595                 hdrlen = 30;
 596
 597         if (ieee80211_is_data_qos(fc)) {
 598                 hdrlen += IEEE80211_QOS_CTL_LEN;
 599                 if (ieee80211_has_order(fc))
 600                         hdrlen += IEEE80211_HT_CTL_LEN;
 601         }
 602
 603         return hdrlen;
 604 }
 605
 606 /**
 607  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 608  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 609  */
 610 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 611 {
 612         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 613 }
 614
 615 struct ieee80211s_hdr {
 616         u8 flags;
 617         u8 ttl;
 618         __le32 seqnum;
 619         u8 eaddr1[6];
 620         u8 eaddr2[6];
 621 } __packed __aligned(2);
 622
 623 /* Mesh flags */
 624 #define MESH_FLAGS_AE_A4        0x1
 625 #define MESH_FLAGS_AE_A5_A6     0x2
 626 #define MESH_FLAGS_AE           0x3
 627 #define MESH_FLAGS_PS_DEEP      0x4
 628
 629 /**
 630  * enum ieee80211_preq_flags - mesh PREQ element flags
 631  *
 632  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 633  */
 634 enum ieee80211_preq_flags {
 635         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 636 };
 637
 638 /**
 639  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 640  *
 641  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 642  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 643  */
 644 enum ieee80211_preq_target_flags {
 645         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 646         IEEE80211_PREQ_USN_FLAG = 1<<2,
 647 };
 648
 649 /**
 650  * struct ieee80211_quiet_ie
 651  *
 652  * This structure refers to "Quiet information element"
 653  */
 654 struct ieee80211_quiet_ie {
 655         u8 count;
 656         u8 period;
 657         __le16 duration;
 658         __le16 offset;
 659 } __packed;
 660
 661 /**
 662  * struct ieee80211_msrment_ie
 663  *
 664  * This structure refers to "Measurement Request/Report information element"
 665  */
 666 struct ieee80211_msrment_ie {
 667         u8 token;
 668         u8 mode;
 669         u8 type;
 670         u8 request[0];
 671 } __packed;
 672
 673 /**
 674  * struct ieee80211_channel_sw_ie
 675  *
 676  * This structure refers to "Channel Switch Announcement information element"
 677  */
 678 struct ieee80211_channel_sw_ie {
 679         u8 mode;
 680         u8 new_ch_num;
 681         u8 count;
 682 } __packed;
 683
 684 /**
 685  * struct ieee80211_ext_chansw_ie
 686  *
 687  * This structure represents the "Extended Channel Switch Announcement element"
 688  */
 689 struct ieee80211_ext_chansw_ie {
 690         u8 mode;
 691         u8 new_operating_class;
 692         u8 new_ch_num;
 693         u8 count;
 694 } __packed;
 695
 696 /**
 697  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 698  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 699  *      values here
 700  * This structure represents the "Secondary Channel Offset element"
 701  */
 702 struct ieee80211_sec_chan_offs_ie {
 703         u8 sec_chan_offs;
 704 } __packed;
 705
 706 /**
 707  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 708  */
 709 struct ieee80211_wide_bw_chansw_ie {
 710         u8 new_channel_width;
 711         u8 new_center_freq_seg0, new_center_freq_seg1;
 712 } __packed;
 713
 714 /**
 715  * struct ieee80211_tim
 716  *
 717  * This structure refers to "Traffic Indication Map information element"
 718  */
 719 struct ieee80211_tim_ie {
 720         u8 dtim_count;
 721         u8 dtim_period;
 722         u8 bitmap_ctrl;
 723         /* variable size: 1 - 251 bytes */
 724         u8 virtual_map[1];
 725 } __packed;
 726
 727 /**
 728  * struct ieee80211_meshconf_ie
 729  *
 730  * This structure refers to "Mesh Configuration information element"
 731  */
 732 struct ieee80211_meshconf_ie {
 733         u8 meshconf_psel;
 734         u8 meshconf_pmetric;
 735         u8 meshconf_congest;
 736         u8 meshconf_synch;
 737         u8 meshconf_auth;
 738         u8 meshconf_form;
 739         u8 meshconf_cap;
 740 } __packed;
 741
 742 /**
 743  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 744  *
 745  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 746  *      additional mesh peerings with other mesh STAs
 747  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 748  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 749  *      is ongoing
 750  */
 751 enum mesh_config_capab_flags {
 752         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 753         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 754         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 755 };
 756
 757 /**
 758  * struct ieee80211_rann_ie
 759  *
 760  * This structure refers to "Root Announcement information element"
 761  */
 762 struct ieee80211_rann_ie {
 763         u8 rann_flags;
 764         u8 rann_hopcount;
 765         u8 rann_ttl;
 766         u8 rann_addr[6];
 767         __le32 rann_seq;
 768         __le32 rann_interval;
 769         __le32 rann_metric;
 770 } __packed;
 771
 772 enum ieee80211_rann_flags {
 773         RANN_FLAG_IS_GATE = 1 << 0,
 774 };
 775
 776 enum ieee80211_ht_chanwidth_values {
 777         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 778         IEEE80211_HT_CHANWIDTH_ANY = 1,
 779 };
 780
 781 /**
 782  * enum ieee80211_opmode_bits - VHT operating mode field bits
 783  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 784  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 785  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 786  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 787  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 788  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 789  *      (the NSS value is the value of this field + 1)
 790  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 791  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 792  *      using a beamforming steering matrix
 793  */
 794 enum ieee80211_vht_opmode_bits {
 795         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 796         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 797         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 798         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 799         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 800         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 801         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 802         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 803 };
 804
 805 #define WLAN_SA_QUERY_TR_ID_LEN 2
 806
 807 struct ieee80211_mgmt {
 808         __le16 frame_control;
 809         __le16 duration;
 810         u8 da[6];
 811         u8 sa[6];
 812         u8 bssid[6];
 813         __le16 seq_ctrl;
 814         union {
 815                 struct {
 816                         __le16 auth_alg;
 817                         __le16 auth_transaction;
 818                         __le16 status_code;
 819                         /* possibly followed by Challenge text */
 820                         u8 variable[0];
 821                 } __packed auth;
 822                 struct {
 823                         __le16 reason_code;
 824                 } __packed deauth;
 825                 struct {
 826                         __le16 capab_info;
 827                         __le16 listen_interval;
 828                         /* followed by SSID and Supported rates */
 829                         u8 variable[0];
 830                 } __packed assoc_req;
 831                 struct {
 832                         __le16 capab_info;
 833                         __le16 status_code;
 834                         __le16 aid;
 835                         /* followed by Supported rates */
 836                         u8 variable[0];
 837                 } __packed assoc_resp, reassoc_resp;
 838                 struct {
 839                         __le16 capab_info;
 840                         __le16 listen_interval;
 841                         u8 current_ap[6];
 842                         /* followed by SSID and Supported rates */
 843                         u8 variable[0];
 844                 } __packed reassoc_req;
 845                 struct {
 846                         __le16 reason_code;
 847                 } __packed disassoc;
 848                 struct {
 849                         __le64 timestamp;
 850                         __le16 beacon_int;
 851                         __le16 capab_info;
 852                         /* followed by some of SSID, Supported rates,
 853                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 854                         u8 variable[0];
 855                 } __packed beacon;
 856                 struct {
 857                         /* only variable items: SSID, Supported rates */
 858                         u8 variable[0];
 859                 } __packed probe_req;
 860                 struct {
 861                         __le64 timestamp;
 862                         __le16 beacon_int;
 863                         __le16 capab_info;
 864                         /* followed by some of SSID, Supported rates,
 865                          * FH Params, DS Params, CF Params, IBSS Params */
 866                         u8 variable[0];
 867                 } __packed probe_resp;
 868                 struct {
 869                         u8 category;
 870                         union {
 871                                 struct {
 872                                         u8 action_code;
 873                                         u8 dialog_token;
 874                                         u8 status_code;
 875                                         u8 variable[0];
 876                                 } __packed wme_action;
 877                                 struct{
 878                                         u8 action_code;
 879                                         u8 variable[0];
 880                                 } __packed chan_switch;
 881                                 struct{
 882                                         u8 action_code;
 883                                         struct ieee80211_ext_chansw_ie data;
 884                                         u8 variable[0];
 885                                 } __packed ext_chan_switch;
 886                                 struct{
 887                                         u8 action_code;
 888                                         u8 dialog_token;
 889                                         u8 element_id;
 890                                         u8 length;
 891                                         struct ieee80211_msrment_ie msr_elem;
 892                                 } __packed measurement;
 893                                 struct{
 894                                         u8 action_code;
 895                                         u8 dialog_token;
 896                                         __le16 capab;
 897                                         __le16 timeout;
 898                                         __le16 start_seq_num;
 899                                 } __packed addba_req;
 900                                 struct{
 901                                         u8 action_code;
 902                                         u8 dialog_token;
 903                                         __le16 status;
 904                                         __le16 capab;
 905                                         __le16 timeout;
 906                                 } __packed addba_resp;
 907                                 struct{
 908                                         u8 action_code;
 909                                         __le16 params;
 910                                         __le16 reason_code;
 911                                 } __packed delba;
 912                                 struct {
 913                                         u8 action_code;
 914                                         u8 variable[0];
 915                                 } __packed self_prot;
 916                                 struct{
 917                                         u8 action_code;
 918                                         u8 variable[0];
 919                                 } __packed mesh_action;
 920                                 struct {
 921                                         u8 action;
 922                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 923                                 } __packed sa_query;
 924                                 struct {
 925                                         u8 action;
 926                                         u8 smps_control;
 927                                 } __packed ht_smps;
 928                                 struct {
 929                                         u8 action_code;
 930                                         u8 chanwidth;
 931                                 } __packed ht_notify_cw;
 932                                 struct {
 933                                         u8 action_code;
 934                                         u8 dialog_token;
 935                                         __le16 capability;
 936                                         u8 variable[0];
 937                                 } __packed tdls_discover_resp;
 938                                 struct {
 939                                         u8 action_code;
 940                                         u8 operating_mode;
 941                                 } __packed vht_opmode_notif;
 942                         } u;
 943                 } __packed action;
 944         } u;
 945 } __packed __aligned(2);
 946
 947 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 948 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 949
 950 /* mgmt header + 1 byte category code */
 951 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 952
 953
 954 /* Management MIC information element (IEEE 802.11w) */
 955 struct ieee80211_mmie {
 956         u8 element_id;
 957         u8 length;
 958         __le16 key_id;
 959         u8 sequence_number[6];
 960         u8 mic[8];
 961 } __packed;
 962
 963 struct ieee80211_vendor_ie {
 964         u8 element_id;
 965         u8 len;
 966         u8 oui[3];
 967         u8 oui_type;
 968 } __packed;
 969
 970 /* Control frames */
 971 struct ieee80211_rts {
 972         __le16 frame_control;
 973         __le16 duration;
 974         u8 ra[6];
 975         u8 ta[6];
 976 } __packed __aligned(2);
 977
 978 struct ieee80211_cts {
 979         __le16 frame_control;
 980         __le16 duration;
 981         u8 ra[6];
 982 } __packed __aligned(2);
 983
 984 struct ieee80211_pspoll {
 985         __le16 frame_control;
 986         __le16 aid;
 987         u8 bssid[6];
 988         u8 ta[6];
 989 } __packed __aligned(2);
 990
 991 /* TDLS */
 992
 993 /* Link-id information element */
 994 struct ieee80211_tdls_lnkie {
 995         u8 ie_type; /* Link Identifier IE */
 996         u8 ie_len;
 997         u8 bssid[6];
 998         u8 init_sta[6];
 999         u8 resp_sta[6];
1000 } __packed;
1001
1002 struct ieee80211_tdls_data {
1003         u8 da[6];
1004         u8 sa[6];
1005         __be16 ether_type;
1006         u8 payload_type;
1007         u8 category;
1008         u8 action_code;
1009         union {
1010                 struct {
1011                         u8 dialog_token;
1012                         __le16 capability;
1013                         u8 variable[0];
1014                 } __packed setup_req;
1015                 struct {
1016                         __le16 status_code;
1017                         u8 dialog_token;
1018                         __le16 capability;
1019                         u8 variable[0];
1020                 } __packed setup_resp;
1021                 struct {
1022                         __le16 status_code;
1023                         u8 dialog_token;
1024                         u8 variable[0];
1025                 } __packed setup_cfm;
1026                 struct {
1027                         __le16 reason_code;
1028                         u8 variable[0];
1029                 } __packed teardown;
1030                 struct {
1031                         u8 dialog_token;
1032                         u8 variable[0];
1033                 } __packed discover_req;
1034         } u;
1035 } __packed;
1036
1037 /*
1038  * Peer-to-Peer IE attribute related definitions.
1039  */
1040 /**
1041  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1042  */
1043 enum ieee80211_p2p_attr_id {
1044         IEEE80211_P2P_ATTR_STATUS = 0,
1045         IEEE80211_P2P_ATTR_MINOR_REASON,
1046         IEEE80211_P2P_ATTR_CAPABILITY,
1047         IEEE80211_P2P_ATTR_DEVICE_ID,
1048         IEEE80211_P2P_ATTR_GO_INTENT,
1049         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1050         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1051         IEEE80211_P2P_ATTR_GROUP_BSSID,
1052         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1053         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1054         IEEE80211_P2P_ATTR_MANAGABILITY,
1055         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1056         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1057         IEEE80211_P2P_ATTR_DEVICE_INFO,
1058         IEEE80211_P2P_ATTR_GROUP_INFO,
1059         IEEE80211_P2P_ATTR_GROUP_ID,
1060         IEEE80211_P2P_ATTR_INTERFACE,
1061         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1062         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1063         /* 19 - 220: Reserved */
1064         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1065
1066         IEEE80211_P2P_ATTR_MAX
1067 };
1068
1069 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1070 /* Typical max value used here */
1071 #define IEEE80211_P2P_NOA_DESC_MAX      4
1072
1073 struct ieee80211_p2p_noa_desc {
1074         u8 count;
1075         __le32 duration;
1076         __le32 interval;
1077         __le32 start_time;
1078 } __packed;
1079
1080 struct ieee80211_p2p_noa_attr {
1081         u8 index;
1082         u8 oppps_ctwindow;
1083         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1084 } __packed;
1085
1086 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1087 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1088
1089 /**
1090  * struct ieee80211_bar - HT Block Ack Request
1091  *
1092  * This structure refers to "HT BlockAckReq" as
1093  * described in 802.11n draft section 7.2.1.7.1
1094  */
1095 struct ieee80211_bar {
1096         __le16 frame_control;
1097         __le16 duration;
1098         __u8 ra[6];
1099         __u8 ta[6];
1100         __le16 control;
1101         __le16 start_seq_num;
1102 } __packed __aligned(4);
1103
1104 /* 802.11 BA(R) control masks */
1105 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1106 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1107 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1108 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1109 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1110
1111 /**
1112  * struct ieee80211_ba - HT Block Ack
1113  *
1114  * This structure refers to "HT BlockAck" as
1115  * described in 802.11n draft section 7.2.1.8.1
1116  */
1117 struct ieee80211_ba {
1118         __le16 frame_control;
1119         __le16 duration;
1120         u8 ra[6];
1121         u8 ta[6];
1122         __le16 control;
1123
1124         __le16 start_seq_num;
1125         u8 bitmap[8];
1126 } __packed;
1127
1128 #define IEEE80211_HT_MCS_MASK_LEN               10
1129
1130 /**
1131  * struct ieee80211_mcs_info - MCS information
1132  * @rx_mask: RX mask
1133  * @rx_highest: highest supported RX rate. If set represents
1134  *      the highest supported RX data rate in units of 1 Mbps.
1135  *      If this field is 0 this value should not be used to
1136  *      consider the highest RX data rate supported.
1137  * @tx_params: TX parameters
1138  */
1139 struct ieee80211_mcs_info {
1140         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1141         __le16 rx_highest;
1142         u8 tx_params;
1143         u8 reserved[3];
1144 } __packed;
1145
1146 /* 802.11n HT capability MSC set */
1147 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1148 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1149 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1150 /* value 0 == 1 stream etc */
1151 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1152 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1153 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1154 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1155
1156 /*
1157  * 802.11n D5.0 20.3.5 / 20.6 says:
1158  * - indices 0 to 7 and 32 are single spatial stream
1159  * - 8 to 31 are multiple spatial streams using equal modulation
1160  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1161  * - remainder are multiple spatial streams using unequal modulation
1162  */
1163 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1164 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1165         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1166
1167 /**
1168  * struct ieee80211_ht_cap - HT capabilities
1169  *
1170  * This structure is the "HT capabilities element" as
1171  * described in 802.11n D5.0 7.3.2.57
1172  */
1173 struct ieee80211_ht_cap {
1174         __le16 cap_info;
1175         u8 ampdu_params_info;
1176
1177         /* 16 bytes MCS information */
1178         struct ieee80211_mcs_info mcs;
1179
1180         __le16 extended_ht_cap_info;
1181         __le32 tx_BF_cap_info;
1182         u8 antenna_selection_info;
1183 } __packed;
1184
1185 /* 802.11n HT capabilities masks (for cap_info) */
1186 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1187 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1188 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1189 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1190 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1191 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1192 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1193 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1194 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1195 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1196 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1197 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1198 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1199 #define IEEE80211_HT_CAP_RESERVED               0x2000
1200 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1201 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1202
1203 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1204 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1205 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1206 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1207 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1208 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1209 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1210 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1211
1212 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1213 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1214 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1215 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1216
1217 /*
1218  * Maximum length of AMPDU that the STA can receive.
1219  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1220  */
1221 enum ieee80211_max_ampdu_length_exp {
1222         IEEE80211_HT_MAX_AMPDU_8K = 0,
1223         IEEE80211_HT_MAX_AMPDU_16K = 1,
1224         IEEE80211_HT_MAX_AMPDU_32K = 2,
1225         IEEE80211_HT_MAX_AMPDU_64K = 3
1226 };
1227
1228 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1229
1230 /* Minimum MPDU start spacing */
1231 enum ieee80211_min_mpdu_spacing {
1232         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1233         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1234         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1235         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1236         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1237         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1238         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1239         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1240 };
1241
1242 /**
1243  * struct ieee80211_ht_operation - HT operation IE
1244  *
1245  * This structure is the "HT operation element" as
1246  * described in 802.11n-2009 7.3.2.57
1247  */
1248 struct ieee80211_ht_operation {
1249         u8 primary_chan;
1250         u8 ht_param;
1251         __le16 operation_mode;
1252         __le16 stbc_param;
1253         u8 basic_set[16];
1254 } __packed;
1255
1256 /* for ht_param */
1257 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1258 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1259 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1260 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1261 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1262 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1263
1264 /* for operation_mode */
1265 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1266 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1267 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1268 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1269 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1270 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1271 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1272
1273 /* for stbc_param */
1274 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1275 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1276 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1277 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1278 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1279 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1280
1281
1282 /* block-ack parameters */
1283 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1284 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1285 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1286 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1287 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1288
1289 /*
1290  * A-PMDU buffer sizes
1291  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1292  */
1293 #define IEEE80211_MIN_AMPDU_BUF 0x8
1294 #define IEEE80211_MAX_AMPDU_BUF 0x40
1295
1296
1297 /* Spatial Multiplexing Power Save Modes (for capability) */
1298 #define WLAN_HT_CAP_SM_PS_STATIC        0
1299 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1300 #define WLAN_HT_CAP_SM_PS_INVALID       2
1301 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1302
1303 /* for SM power control field lower two bits */
1304 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1305 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1306 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1307
1308 /**
1309  * struct ieee80211_vht_mcs_info - VHT MCS information
1310  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1311  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1312  *      STA can receive. Rate expressed in units of 1 Mbps.
1313  *      If this field is 0 this value should not be used to
1314  *      consider the highest RX data rate supported.
1315  *      The top 3 bits of this field are reserved.
1316  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1317  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1318  *      STA can transmit. Rate expressed in units of 1 Mbps.
1319  *      If this field is 0 this value should not be used to
1320  *      consider the highest TX data rate supported.
1321  *      The top 3 bits of this field are reserved.
1322  */
1323 struct ieee80211_vht_mcs_info {
1324         __le16 rx_mcs_map;
1325         __le16 rx_highest;
1326         __le16 tx_mcs_map;
1327         __le16 tx_highest;
1328 } __packed;
1329
1330 /**
1331  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1332  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1333  *      number of streams
1334  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1335  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1336  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1337  *
1338  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1339  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1340  * both split into 8 subfields by number of streams. These values indicate
1341  * which MCSes are supported for the number of streams the value appears
1342  * for.
1343  */
1344 enum ieee80211_vht_mcs_support {
1345         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1346         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1347         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1348         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1349 };
1350
1351 /**
1352  * struct ieee80211_vht_cap - VHT capabilities
1353  *
1354  * This structure is the "VHT capabilities element" as
1355  * described in 802.11ac D3.0 8.4.2.160
1356  * @vht_cap_info: VHT capability info
1357  * @supp_mcs: VHT MCS supported rates
1358  */
1359 struct ieee80211_vht_cap {
1360         __le32 vht_cap_info;
1361         struct ieee80211_vht_mcs_info supp_mcs;
1362 } __packed;
1363
1364 /**
1365  * enum ieee80211_vht_chanwidth - VHT channel width
1366  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1367  *      determine the channel width (20 or 40 MHz)
1368  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1369  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1370  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1371  */
1372 enum ieee80211_vht_chanwidth {
1373         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1374         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1375         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1376         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1377 };
1378
1379 /**
1380  * struct ieee80211_vht_operation - VHT operation IE
1381  *
1382  * This structure is the "VHT operation element" as
1383  * described in 802.11ac D3.0 8.4.2.161
1384  * @chan_width: Operating channel width
1385  * @center_freq_seg1_idx: center freq segment 1 index
1386  * @center_freq_seg2_idx: center freq segment 2 index
1387  * @basic_mcs_set: VHT Basic MCS rate set
1388  */
1389 struct ieee80211_vht_operation {
1390         u8 chan_width;
1391         u8 center_freq_seg1_idx;
1392         u8 center_freq_seg2_idx;
1393         __le16 basic_mcs_set;
1394 } __packed;
1395
1396
1397 /* 802.11ac VHT Capabilities */
1398 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1399 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1400 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1401 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1402 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1403 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1404 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1405 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1406 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1407 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1408 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1409 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1410 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1411 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1412 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1413 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1414 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX                    0x0000e000
1415 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX               0x00070000
1416 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1417 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1418 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1419 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1420 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1421 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1422                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1423 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1424 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1425 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1426 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1427
1428 /* Authentication algorithms */
1429 #define WLAN_AUTH_OPEN 0
1430 #define WLAN_AUTH_SHARED_KEY 1
1431 #define WLAN_AUTH_FT 2
1432 #define WLAN_AUTH_SAE 3
1433 #define WLAN_AUTH_LEAP 128
1434
1435 #define WLAN_AUTH_CHALLENGE_LEN 128
1436
1437 #define WLAN_CAPABILITY_ESS             (1<<0)
1438 #define WLAN_CAPABILITY_IBSS            (1<<1)
1439
1440 /*
1441  * A mesh STA sets the ESS and IBSS capability bits to zero.
1442  * however, this holds true for p2p probe responses (in the p2p_find
1443  * phase) as well.
1444  */
1445 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1446         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1447
1448 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1449 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1450 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1451 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1452 #define WLAN_CAPABILITY_PBCC            (1<<6)
1453 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1454
1455 /* 802.11h */
1456 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1457 #define WLAN_CAPABILITY_QOS             (1<<9)
1458 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1459 #define WLAN_CAPABILITY_APSD            (1<<11)
1460 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1461 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1462 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1463 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1464
1465 /* DMG (60gHz) 802.11ad */
1466 /* type - bits 0..1 */
1467 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1468 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1469 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1470 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1471
1472 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1473 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1474 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1475 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1476
1477 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1478 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1479
1480 /* measurement */
1481 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1482 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1483 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1484
1485 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1486 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1487 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1488
1489 /* 802.11g ERP information element */
1490 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1491 #define WLAN_ERP_USE_PROTECTION (1<<1)
1492 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1493
1494 /* WLAN_ERP_BARKER_PREAMBLE values */
1495 enum {
1496         WLAN_ERP_PREAMBLE_SHORT = 0,
1497         WLAN_ERP_PREAMBLE_LONG = 1,
1498 };
1499
1500 /* Band ID, 802.11ad #8.4.1.45 */
1501 enum {
1502         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1503         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1504         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1505         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1506         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1507         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1508 };
1509
1510 /* Status codes */
1511 enum ieee80211_statuscode {
1512         WLAN_STATUS_SUCCESS = 0,
1513         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1514         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1515         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1516         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1517         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1518         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1519         WLAN_STATUS_CHALLENGE_FAIL = 15,
1520         WLAN_STATUS_AUTH_TIMEOUT = 16,
1521         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1522         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1523         /* 802.11b */
1524         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1525         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1526         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1527         /* 802.11h */
1528         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1529         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1530         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1531         /* 802.11g */
1532         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1533         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1534         /* 802.11w */
1535         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1536         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1537         /* 802.11i */
1538         WLAN_STATUS_INVALID_IE = 40,
1539         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1540         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1541         WLAN_STATUS_INVALID_AKMP = 43,
1542         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1543         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1544         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1545         /* 802.11e */
1546         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1547         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1548         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1549         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1550         WLAN_STATUS_REQUEST_DECLINED = 37,
1551         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1552         WLAN_STATUS_CHANGE_TSPEC = 39,
1553         WLAN_STATUS_WAIT_TS_DELAY = 47,
1554         WLAN_STATUS_NO_DIRECT_LINK = 48,
1555         WLAN_STATUS_STA_NOT_PRESENT = 49,
1556         WLAN_STATUS_STA_NOT_QSTA = 50,
1557         /* 802.11s */
1558         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1559         WLAN_STATUS_FCG_NOT_SUPP = 78,
1560         WLAN_STATUS_STA_NO_TBTT = 78,
1561         /* 802.11ad */
1562         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1563         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1564         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1565         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1566         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1567         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1568         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1569         WLAN_STATUS_REJECT_DSE_BAND = 96,
1570         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1571         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1572 };
1573
1574
1575 /* Reason codes */
1576 enum ieee80211_reasoncode {
1577         WLAN_REASON_UNSPECIFIED = 1,
1578         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1579         WLAN_REASON_DEAUTH_LEAVING = 3,
1580         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1581         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1582         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1583         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1584         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1585         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1586         /* 802.11h */
1587         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1588         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1589         /* 802.11i */
1590         WLAN_REASON_INVALID_IE = 13,
1591         WLAN_REASON_MIC_FAILURE = 14,
1592         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1593         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1594         WLAN_REASON_IE_DIFFERENT = 17,
1595         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1596         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1597         WLAN_REASON_INVALID_AKMP = 20,
1598         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1599         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1600         WLAN_REASON_IEEE8021X_FAILED = 23,
1601         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1602         /* 802.11e */
1603         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1604         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1605         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1606         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1607         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1608         WLAN_REASON_QSTA_NOT_USE = 37,
1609         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1610         WLAN_REASON_QSTA_TIMEOUT = 39,
1611         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1612         /* 802.11s */
1613         WLAN_REASON_MESH_PEER_CANCELED = 52,
1614         WLAN_REASON_MESH_MAX_PEERS = 53,
1615         WLAN_REASON_MESH_CONFIG = 54,
1616         WLAN_REASON_MESH_CLOSE = 55,
1617         WLAN_REASON_MESH_MAX_RETRIES = 56,
1618         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1619         WLAN_REASON_MESH_INVALID_GTK = 58,
1620         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1621         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1622         WLAN_REASON_MESH_PATH_ERROR = 61,
1623         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1624         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1625         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1626         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1627         WLAN_REASON_MESH_CHAN = 66,
1628 };
1629
1630
1631 /* Information Element IDs */
1632 enum ieee80211_eid {
1633         WLAN_EID_SSID = 0,
1634         WLAN_EID_SUPP_RATES = 1,
1635         WLAN_EID_FH_PARAMS = 2,
1636         WLAN_EID_DS_PARAMS = 3,
1637         WLAN_EID_CF_PARAMS = 4,
1638         WLAN_EID_TIM = 5,
1639         WLAN_EID_IBSS_PARAMS = 6,
1640         WLAN_EID_CHALLENGE = 16,
1641
1642         WLAN_EID_COUNTRY = 7,
1643         WLAN_EID_HP_PARAMS = 8,
1644         WLAN_EID_HP_TABLE = 9,
1645         WLAN_EID_REQUEST = 10,
1646
1647         WLAN_EID_QBSS_LOAD = 11,
1648         WLAN_EID_EDCA_PARAM_SET = 12,
1649         WLAN_EID_TSPEC = 13,
1650         WLAN_EID_TCLAS = 14,
1651         WLAN_EID_SCHEDULE = 15,
1652         WLAN_EID_TS_DELAY = 43,
1653         WLAN_EID_TCLAS_PROCESSING = 44,
1654         WLAN_EID_QOS_CAPA = 46,
1655         /* 802.11z */
1656         WLAN_EID_LINK_ID = 101,
1657         /* 802.11s */
1658         WLAN_EID_MESH_CONFIG = 113,
1659         WLAN_EID_MESH_ID = 114,
1660         WLAN_EID_LINK_METRIC_REPORT = 115,
1661         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1662         WLAN_EID_PEER_MGMT = 117,
1663         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1664         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1665         WLAN_EID_BEACON_TIMING = 120,
1666         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1667         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1668         WLAN_EID_MCCAOP_ADVERT = 123,
1669         WLAN_EID_MCCAOP_TEARDOWN = 124,
1670         WLAN_EID_GANN = 125,
1671         WLAN_EID_RANN = 126,
1672         WLAN_EID_PREQ = 130,
1673         WLAN_EID_PREP = 131,
1674         WLAN_EID_PERR = 132,
1675         WLAN_EID_PXU = 137,
1676         WLAN_EID_PXUC = 138,
1677         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1678         WLAN_EID_MIC = 140,
1679
1680         WLAN_EID_PWR_CONSTRAINT = 32,
1681         WLAN_EID_PWR_CAPABILITY = 33,
1682         WLAN_EID_TPC_REQUEST = 34,
1683         WLAN_EID_TPC_REPORT = 35,
1684         WLAN_EID_SUPPORTED_CHANNELS = 36,
1685         WLAN_EID_CHANNEL_SWITCH = 37,
1686         WLAN_EID_MEASURE_REQUEST = 38,
1687         WLAN_EID_MEASURE_REPORT = 39,
1688         WLAN_EID_QUIET = 40,
1689         WLAN_EID_IBSS_DFS = 41,
1690
1691         WLAN_EID_ERP_INFO = 42,
1692         WLAN_EID_EXT_SUPP_RATES = 50,
1693
1694         WLAN_EID_HT_CAPABILITY = 45,
1695         WLAN_EID_HT_OPERATION = 61,
1696         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1697
1698         WLAN_EID_RSN = 48,
1699         WLAN_EID_MMIE = 76,
1700         WLAN_EID_VENDOR_SPECIFIC = 221,
1701         WLAN_EID_QOS_PARAMETER = 222,
1702
1703         WLAN_EID_AP_CHAN_REPORT = 51,
1704         WLAN_EID_NEIGHBOR_REPORT = 52,
1705         WLAN_EID_RCPI = 53,
1706         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1707         WLAN_EID_ANTENNA_INFO = 64,
1708         WLAN_EID_RSNI = 65,
1709         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1710         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1711         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1712         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1713         WLAN_EID_MULTIPLE_BSSID = 71,
1714         WLAN_EID_BSS_COEX_2040 = 72,
1715         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1716         WLAN_EID_EXT_CAPABILITY = 127,
1717
1718         WLAN_EID_MOBILITY_DOMAIN = 54,
1719         WLAN_EID_FAST_BSS_TRANSITION = 55,
1720         WLAN_EID_TIMEOUT_INTERVAL = 56,
1721         WLAN_EID_RIC_DATA = 57,
1722         WLAN_EID_RIC_DESCRIPTOR = 75,
1723
1724         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1725         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1726         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1727
1728         WLAN_EID_VHT_CAPABILITY = 191,
1729         WLAN_EID_VHT_OPERATION = 192,
1730         WLAN_EID_OPMODE_NOTIF = 199,
1731         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1732         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1733         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1734         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1735         WLAN_EID_AID = 197,
1736         WLAN_EID_QUIET_CHANNEL = 198,
1737
1738         /* 802.11ad */
1739         WLAN_EID_NON_TX_BSSID_CAP =  83,
1740         WLAN_EID_WAKEUP_SCHEDULE = 143,
1741         WLAN_EID_EXT_SCHEDULE = 144,
1742         WLAN_EID_STA_AVAILABILITY = 145,
1743         WLAN_EID_DMG_TSPEC = 146,
1744         WLAN_EID_DMG_AT = 147,
1745         WLAN_EID_DMG_CAP = 148,
1746         WLAN_EID_DMG_OPERATION = 151,
1747         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1748         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1749         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1750         WLAN_EID_AWAKE_WINDOW = 157,
1751         WLAN_EID_MULTI_BAND = 158,
1752         WLAN_EID_ADDBA_EXT = 159,
1753         WLAN_EID_NEXT_PCP_LIST = 160,
1754         WLAN_EID_PCP_HANDOVER = 161,
1755         WLAN_EID_DMG_LINK_MARGIN = 162,
1756         WLAN_EID_SWITCHING_STREAM = 163,
1757         WLAN_EID_SESSION_TRANSITION = 164,
1758         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1759         WLAN_EID_CLUSTER_REPORT = 166,
1760         WLAN_EID_RELAY_CAP = 167,
1761         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1762         WLAN_EID_BEAM_LINK_MAINT = 169,
1763         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1764         WLAN_EID_U_PID = 171,
1765         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1766         WLAN_EID_QUIET_PERIOD_REQ = 175,
1767         WLAN_EID_QUIET_PERIOD_RESP = 177,
1768         WLAN_EID_EPAC_POLICY = 182,
1769         WLAN_EID_CLISTER_TIME_OFF = 183,
1770         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1771 };
1772
1773 /* Action category code */
1774 enum ieee80211_category {
1775         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1776         WLAN_CATEGORY_QOS = 1,
1777         WLAN_CATEGORY_DLS = 2,
1778         WLAN_CATEGORY_BACK = 3,
1779         WLAN_CATEGORY_PUBLIC = 4,
1780         WLAN_CATEGORY_HT = 7,
1781         WLAN_CATEGORY_SA_QUERY = 8,
1782         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1783         WLAN_CATEGORY_TDLS = 12,
1784         WLAN_CATEGORY_MESH_ACTION = 13,
1785         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1786         WLAN_CATEGORY_SELF_PROTECTED = 15,
1787         WLAN_CATEGORY_DMG = 16,
1788         WLAN_CATEGORY_WMM = 17,
1789         WLAN_CATEGORY_FST = 18,
1790         WLAN_CATEGORY_UNPROT_DMG = 20,
1791         WLAN_CATEGORY_VHT = 21,
1792         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1793         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1794 };
1795
1796 /* SPECTRUM_MGMT action code */
1797 enum ieee80211_spectrum_mgmt_actioncode {
1798         WLAN_ACTION_SPCT_MSR_REQ = 0,
1799         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1800         WLAN_ACTION_SPCT_TPC_REQ = 2,
1801         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1802         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1803 };
1804
1805 /* HT action codes */
1806 enum ieee80211_ht_actioncode {
1807         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1808         WLAN_HT_ACTION_SMPS = 1,
1809         WLAN_HT_ACTION_PSMP = 2,
1810         WLAN_HT_ACTION_PCO_PHASE = 3,
1811         WLAN_HT_ACTION_CSI = 4,
1812         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1813         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1814         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1815 };
1816
1817 /* VHT action codes */
1818 enum ieee80211_vht_actioncode {
1819         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1820         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1821         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1822 };
1823
1824 /* Self Protected Action codes */
1825 enum ieee80211_self_protected_actioncode {
1826         WLAN_SP_RESERVED = 0,
1827         WLAN_SP_MESH_PEERING_OPEN = 1,
1828         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1829         WLAN_SP_MESH_PEERING_CLOSE = 3,
1830         WLAN_SP_MGK_INFORM = 4,
1831         WLAN_SP_MGK_ACK = 5,
1832 };
1833
1834 /* Mesh action codes */
1835 enum ieee80211_mesh_actioncode {
1836         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1837         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1838         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1839         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1840         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1841         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1842         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1843         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1844         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1845         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1846         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1847 };
1848
1849 /* Security key length */
1850 enum ieee80211_key_len {
1851         WLAN_KEY_LEN_WEP40 = 5,
1852         WLAN_KEY_LEN_WEP104 = 13,
1853         WLAN_KEY_LEN_CCMP = 16,
1854         WLAN_KEY_LEN_TKIP = 32,
1855         WLAN_KEY_LEN_AES_CMAC = 16,
1856 };
1857
1858 #define IEEE80211_WEP_IV_LEN            4
1859 #define IEEE80211_WEP_ICV_LEN           4
1860 #define IEEE80211_CCMP_HDR_LEN          8
1861 #define IEEE80211_CCMP_MIC_LEN          8
1862 #define IEEE80211_CCMP_PN_LEN           6
1863 #define IEEE80211_TKIP_IV_LEN           8
1864 #define IEEE80211_TKIP_ICV_LEN          4
1865 #define IEEE80211_CMAC_PN_LEN           6
1866
1867 /* Public action codes */
1868 enum ieee80211_pub_actioncode {
1869         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1870         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1871 };
1872
1873 /* TDLS action codes */
1874 enum ieee80211_tdls_actioncode {
1875         WLAN_TDLS_SETUP_REQUEST = 0,
1876         WLAN_TDLS_SETUP_RESPONSE = 1,
1877         WLAN_TDLS_SETUP_CONFIRM = 2,
1878         WLAN_TDLS_TEARDOWN = 3,
1879         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1880         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1881         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1882         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1883         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1884         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1885         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1886 };
1887
1888 /* Interworking capabilities are set in 7th bit of 4th byte of the
1889  * @WLAN_EID_EXT_CAPABILITY information element
1890  */
1891 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
1892
1893 /*
1894  * TDLS capabililites to be enabled in the 5th byte of the
1895  * @WLAN_EID_EXT_CAPABILITY information element
1896  */
1897 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
1898 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
1899
1900 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
1901
1902 /* TDLS specific payload type in the LLC/SNAP header */
1903 #define WLAN_TDLS_SNAP_RFTYPE   0x2
1904
1905 /**
1906  * enum - mesh synchronization method identifier
1907  *
1908  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1909  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1910  *      that will be specified in a vendor specific information element
1911  */
1912 enum {
1913         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1914         IEEE80211_SYNC_METHOD_VENDOR = 255,
1915 };
1916
1917 /**
1918  * enum - mesh path selection protocol identifier
1919  *
1920  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1921  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1922  *      be specified in a vendor specific information element
1923  */
1924 enum {
1925         IEEE80211_PATH_PROTOCOL_HWMP = 1,
1926         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1927 };
1928
1929 /**
1930  * enum - mesh path selection metric identifier
1931  *
1932  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1933  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1934  *      specified in a vendor specific information element
1935  */
1936 enum {
1937         IEEE80211_PATH_METRIC_AIRTIME = 1,
1938         IEEE80211_PATH_METRIC_VENDOR = 255,
1939 };
1940
1941 /**
1942  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1943  *
1944  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1945  *
1946  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1947  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1948  *      this value
1949  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1950  *      the proactive PREQ with proactive PREP subfield set to 0
1951  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1952  *      supports the proactive PREQ with proactive PREP subfield set to 1
1953  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1954  *      the proactive RANN
1955  */
1956 enum ieee80211_root_mode_identifier {
1957         IEEE80211_ROOTMODE_NO_ROOT = 0,
1958         IEEE80211_ROOTMODE_ROOT = 1,
1959         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1960         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1961         IEEE80211_PROACTIVE_RANN = 4,
1962 };
1963
1964 /*
1965  * IEEE 802.11-2007 7.3.2.9 Country information element
1966  *
1967  * Minimum length is 8 octets, ie len must be evenly
1968  * divisible by 2
1969  */
1970
1971 /* Although the spec says 8 I'm seeing 6 in practice */
1972 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
1973
1974 /* The Country String field of the element shall be 3 octets in length */
1975 #define IEEE80211_COUNTRY_STRING_LEN    3
1976
1977 /*
1978  * For regulatory extension stuff see IEEE 802.11-2007
1979  * Annex I (page 1141) and Annex J (page 1147). Also
1980  * review 7.3.2.9.
1981  *
1982  * When dot11RegulatoryClassesRequired is true and the
1983  * first_channel/reg_extension_id is >= 201 then the IE
1984  * compromises of the 'ext' struct represented below:
1985  *
1986  *  - Regulatory extension ID - when generating IE this just needs
1987  *    to be monotonically increasing for each triplet passed in
1988  *    the IE
1989  *  - Regulatory class - index into set of rules
1990  *  - Coverage class - index into air propagation time (Table 7-27),
1991  *    in microseconds, you can compute the air propagation time from
1992  *    the index by multiplying by 3, so index 10 yields a propagation
1993  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
1994  *    yet. A value of 0 inicates air propagation of <= 1 us.
1995  *
1996  *  See also Table I.2 for Emission limit sets and table
1997  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
1998  *  a reg_class to an emission limit set and behavior limit set.
1999  */
2000 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2001
2002 /*
2003  *  Channels numbers in the IE must be monotonically increasing
2004  *  if dot11RegulatoryClassesRequired is not true.
2005  *
2006  *  If dot11RegulatoryClassesRequired is true consecutive
2007  *  subband triplets following a regulatory triplet shall
2008  *  have monotonically increasing first_channel number fields.
2009  *
2010  *  Channel numbers shall not overlap.
2011  *
2012  *  Note that max_power is signed.
2013  */
2014 struct ieee80211_country_ie_triplet {
2015         union {
2016                 struct {
2017                         u8 first_channel;
2018                         u8 num_channels;
2019                         s8 max_power;
2020                 } __packed chans;
2021                 struct {
2022                         u8 reg_extension_id;
2023                         u8 reg_class;
2024                         u8 coverage_class;
2025                 } __packed ext;
2026         };
2027 } __packed;
2028
2029 enum ieee80211_timeout_interval_type {
2030         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2031         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2032         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2033 };
2034
2035 /**
2036  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2037  * @type: type, see &enum ieee80211_timeout_interval_type
2038  * @value: timeout interval value
2039  */
2040 struct ieee80211_timeout_interval_ie {
2041         u8 type;
2042         __le32 value;
2043 } __packed;
2044
2045 /* BACK action code */
2046 enum ieee80211_back_actioncode {
2047         WLAN_ACTION_ADDBA_REQ = 0,
2048         WLAN_ACTION_ADDBA_RESP = 1,
2049         WLAN_ACTION_DELBA = 2,
2050 };
2051
2052 /* BACK (block-ack) parties */
2053 enum ieee80211_back_parties {
2054         WLAN_BACK_RECIPIENT = 0,
2055         WLAN_BACK_INITIATOR = 1,
2056 };
2057
2058 /* SA Query action */
2059 enum ieee80211_sa_query_action {
2060         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2061         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2062 };
2063
2064
2065 /* cipher suite selectors */
2066 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2067 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2068 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2069 /* reserved:                            0x000FAC03 */
2070 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2071 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2072 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2073 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2074
2075 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2076
2077 /* AKM suite selectors */
2078 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2079 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2080 #define WLAN_AKM_SUITE_SAE                      0x000FAC08
2081 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2082
2083 #define WLAN_MAX_KEY_LEN                32
2084
2085 #define WLAN_PMKID_LEN                  16
2086
2087 #define WLAN_OUI_WFA                    0x506f9a
2088 #define WLAN_OUI_TYPE_WFA_P2P           9
2089 #define WLAN_OUI_MICROSOFT              0x0050f2
2090 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2091 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2092 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2093
2094 /*
2095  * WMM/802.11e Tspec Element
2096  */
2097 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2098 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2099
2100 enum ieee80211_tspec_status_code {
2101         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2102         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2103 };
2104
2105 struct ieee80211_tspec_ie {
2106         u8 element_id;
2107         u8 len;
2108         u8 oui[3];
2109         u8 oui_type;
2110         u8 oui_subtype;
2111         u8 version;
2112         __le16 tsinfo;
2113         u8 tsinfo_resvd;
2114         __le16 nominal_msdu;
2115         __le16 max_msdu;
2116         __le32 min_service_int;
2117         __le32 max_service_int;
2118         __le32 inactivity_int;
2119         __le32 suspension_int;
2120         __le32 service_start_time;
2121         __le32 min_data_rate;
2122         __le32 mean_data_rate;
2123         __le32 peak_data_rate;
2124         __le32 max_burst_size;
2125         __le32 delay_bound;
2126         __le32 min_phy_rate;
2127         __le16 sba;
2128         __le16 medium_time;
2129 } __packed;
2130
2131 /**
2132  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2133  * @hdr: the frame
2134  *
2135  * The qos ctrl bytes come after the frame_control, duration, seq_num
2136  * and 3 or 4 addresses of length ETH_ALEN.
2137  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2138  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2139  */
2140 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2141 {
2142         if (ieee80211_has_a4(hdr->frame_control))
2143                 return (u8 *)hdr + 30;
2144         else
2145                 return (u8 *)hdr + 24;
2146 }
2147
2148 /**
2149  * ieee80211_get_SA - get pointer to SA
2150  * @hdr: the frame
2151  *
2152  * Given an 802.11 frame, this function returns the offset
2153  * to the source address (SA). It does not verify that the
2154  * header is long enough to contain the address, and the
2155  * header must be long enough to contain the frame control
2156  * field.
2157  */
2158 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2159 {
2160         if (ieee80211_has_a4(hdr->frame_control))
2161                 return hdr->addr4;
2162         if (ieee80211_has_fromds(hdr->frame_control))
2163                 return hdr->addr3;
2164         return hdr->addr2;
2165 }
2166
2167 /**
2168  * ieee80211_get_DA - get pointer to DA
2169  * @hdr: the frame
2170  *
2171  * Given an 802.11 frame, this function returns the offset
2172  * to the destination address (DA). It does not verify that
2173  * the header is long enough to contain the address, and the
2174  * header must be long enough to contain the frame control
2175  * field.
2176  */
2177 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2178 {
2179         if (ieee80211_has_tods(hdr->frame_control))
2180                 return hdr->addr3;
2181         else
2182                 return hdr->addr1;
2183 }
2184
2185 /**
2186  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2187  * @hdr: the frame (buffer must include at least the first octet of payload)
2188  */
2189 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2190 {
2191         if (ieee80211_is_disassoc(hdr->frame_control) ||
2192             ieee80211_is_deauth(hdr->frame_control))
2193                 return true;
2194
2195         if (ieee80211_is_action(hdr->frame_control)) {
2196                 u8 *category;
2197
2198                 /*
2199                  * Action frames, excluding Public Action frames, are Robust
2200                  * Management Frames. However, if we are looking at a Protected
2201                  * frame, skip the check since the data may be encrypted and
2202                  * the frame has already been found to be a Robust Management
2203                  * Frame (by the other end).
2204                  */
2205                 if (ieee80211_has_protected(hdr->frame_control))
2206                         return true;
2207                 category = ((u8 *) hdr) + 24;
2208                 return *category != WLAN_CATEGORY_PUBLIC &&
2209                         *category != WLAN_CATEGORY_HT &&
2210                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2211                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2212         }
2213
2214         return false;
2215 }
2216
2217 /**
2218  * ieee80211_is_public_action - check if frame is a public action frame
2219  * @hdr: the frame
2220  * @len: length of the frame
2221  */
2222 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2223                                               size_t len)
2224 {
2225         struct ieee80211_mgmt *mgmt = (void *)hdr;
2226
2227         if (len < IEEE80211_MIN_ACTION_SIZE)
2228                 return false;
2229         if (!ieee80211_is_action(hdr->frame_control))
2230                 return false;
2231         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2232 }
2233
2234 /**
2235  * ieee80211_dsss_chan_to_freq - get channel center frequency
2236  * @channel: the DSSS channel
2237  *
2238  * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2239  * Ref IEEE 802.11-2007 section 15.6
2240  */
2241 static inline int ieee80211_dsss_chan_to_freq(int channel)
2242 {
2243         if ((channel > 0) && (channel < 14))
2244                 return 2407 + (channel * 5);
2245         else if (channel == 14)
2246                 return 2484;
2247         else
2248                 return -1;
2249 }
2250
2251 /**
2252  * ieee80211_freq_to_dsss_chan - get channel
2253  * @freq: the frequency
2254  *
2255  * Convert frequency (MHz) to IEEE802.11 DSSS channel
2256  * Ref IEEE 802.11-2007 section 15.6
2257  *
2258  * This routine selects the channel with the closest center frequency.
2259  */
2260 static inline int ieee80211_freq_to_dsss_chan(int freq)
2261 {
2262         if ((freq >= 2410) && (freq < 2475))
2263                 return (freq - 2405) / 5;
2264         else if ((freq >= 2482) && (freq < 2487))
2265                 return 14;
2266         else
2267                 return -1;
2268 }
2269
2270 /**
2271  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2272  * @tu: the TUs
2273  */
2274 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2275 {
2276         return 1024 * tu;
2277 }
2278
2279 /**
2280  * ieee80211_check_tim - check if AID bit is set in TIM
2281  * @tim: the TIM IE
2282  * @tim_len: length of the TIM IE
2283  * @aid: the AID to look for
2284  */
2285 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2286                                        u8 tim_len, u16 aid)
2287 {
2288         u8 mask;
2289         u8 indexn0, indexn1, indexn2;
2290
2291         if (unlikely(!tim || tim_len < sizeof(*tim)))
2292                 return false;
2293
2294         aid &= 0x3fff;
2295         indexn0 = aid / 8;
2296         mask  = 1 << (aid & 7);
2297
2298         indexn1 = tim->bitmap_ctrl & 0xfe;
2299         indexn2 = tim_len + indexn1 - 4;
2300
2301         if (indexn0 < indexn1 || indexn0 > indexn2)
2302                 return false;
2303
2304         indexn0 -= indexn1;
2305
2306         return !!(tim->virtual_map[indexn0] & mask);
2307 }
2308
2309 /* convert time units */
2310 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2311 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2312
2313 #endif /* __LINUX_IEEE80211_H */