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 #include <linux/types.h>
  19 #include <asm/byteorder.h>
  20
  21 /*
  22  * DS bit usage
  23  *
  24  * TA = transmitter address
  25  * RA = receiver address
  26  * DA = destination address
  27  * SA = source address
  28  *
  29  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  30  * -----------------------------------------------------------------
  31  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  32  *  0       1       DA      BSSID   SA      -       AP -> STA
  33  *  1       0       BSSID   SA      DA      -       AP <- STA
  34  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  35  */
  36
  37 #define FCS_LEN 4
  38
  39 #define IEEE80211_FCTL_VERS             0x0003
  40 #define IEEE80211_FCTL_FTYPE            0x000c
  41 #define IEEE80211_FCTL_STYPE            0x00f0
  42 #define IEEE80211_FCTL_TODS             0x0100
  43 #define IEEE80211_FCTL_FROMDS           0x0200
  44 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  45 #define IEEE80211_FCTL_RETRY            0x0800
  46 #define IEEE80211_FCTL_PM               0x1000
  47 #define IEEE80211_FCTL_MOREDATA         0x2000
  48 #define IEEE80211_FCTL_PROTECTED        0x4000
  49 #define IEEE80211_FCTL_ORDER            0x8000
  50 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  51
  52 #define IEEE80211_SCTL_FRAG             0x000F
  53 #define IEEE80211_SCTL_SEQ              0xFFF0
  54
  55 #define IEEE80211_FTYPE_MGMT            0x0000
  56 #define IEEE80211_FTYPE_CTL             0x0004
  57 #define IEEE80211_FTYPE_DATA            0x0008
  58 #define IEEE80211_FTYPE_EXT             0x000c
  59
  60 /* management */
  61 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  62 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  63 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  64 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  65 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  66 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  67 #define IEEE80211_STYPE_BEACON          0x0080
  68 #define IEEE80211_STYPE_ATIM            0x0090
  69 #define IEEE80211_STYPE_DISASSOC        0x00A0
  70 #define IEEE80211_STYPE_AUTH            0x00B0
  71 #define IEEE80211_STYPE_DEAUTH          0x00C0
  72 #define IEEE80211_STYPE_ACTION          0x00D0
  73
  74 /* control */
  75 #define IEEE80211_STYPE_CTL_EXT         0x0060
  76 #define IEEE80211_STYPE_BACK_REQ        0x0080
  77 #define IEEE80211_STYPE_BACK            0x0090
  78 #define IEEE80211_STYPE_PSPOLL          0x00A0
  79 #define IEEE80211_STYPE_RTS             0x00B0
  80 #define IEEE80211_STYPE_CTS             0x00C0
  81 #define IEEE80211_STYPE_ACK             0x00D0
  82 #define IEEE80211_STYPE_CFEND           0x00E0
  83 #define IEEE80211_STYPE_CFENDACK        0x00F0
  84
  85 /* data */
  86 #define IEEE80211_STYPE_DATA                    0x0000
  87 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  88 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  89 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  90 #define IEEE80211_STYPE_NULLFUNC                0x0040
  91 #define IEEE80211_STYPE_CFACK                   0x0050
  92 #define IEEE80211_STYPE_CFPOLL                  0x0060
  93 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  94 #define IEEE80211_STYPE_QOS_DATA                0x0080
  95 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  96 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  97 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  98 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  99 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 100 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 101 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 102
 103 /* extension, added by 802.11ad */
 104 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 105
 106 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 107 #define IEEE80211_CTL_EXT_POLL          0x2000
 108 #define IEEE80211_CTL_EXT_SPR           0x3000
 109 #define IEEE80211_CTL_EXT_GRANT 0x4000
 110 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 111 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 112 #define IEEE80211_CTL_EXT_SSW           0x8000
 113 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 114 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 115
 116
 117 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 118 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 119 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 120
 121 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
 122 {
 123         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 124 }
 125
 126 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 127 {
 128         return (sn1 + sn2) & IEEE80211_SN_MASK;
 129 }
 130
 131 static inline u16 ieee80211_sn_inc(u16 sn)
 132 {
 133         return ieee80211_sn_add(sn, 1);
 134 }
 135
 136 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 137 {
 138         return (sn1 - sn2) & IEEE80211_SN_MASK;
 139 }
 140
 141 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 142 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 143
 144 /* miscellaneous IEEE 802.11 constants */
 145 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 146 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 147 #define IEEE80211_MAX_AID               2007
 148 #define IEEE80211_MAX_TIM_LEN           251
 149 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 150    6.2.1.1.2.
 151
 152    802.11e clarifies the figure in section 7.1.2. The frame body is
 153    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 154 #define IEEE80211_MAX_DATA_LEN          2304
 155 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 156 #define IEEE80211_MAX_FRAME_LEN         2352
 157
 158 #define IEEE80211_MAX_SSID_LEN          32
 159
 160 #define IEEE80211_MAX_MESH_ID_LEN       32
 161
 162 #define IEEE80211_NUM_TIDS              16
 163
 164 #define IEEE80211_QOS_CTL_LEN           2
 165 /* 1d tag mask */
 166 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 167 /* TID mask */
 168 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 169 /* EOSP */
 170 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 171 /* ACK policy */
 172 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 173 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 174 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 175 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 176 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 177 /* A-MSDU 802.11n */
 178 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 179 /* Mesh Control 802.11s */
 180 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 181
 182 /* Mesh Power Save Level */
 183 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 184 /* Mesh Receiver Service Period Initiated */
 185 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 186
 187 /* U-APSD queue for WMM IEs sent by AP */
 188 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 189 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 190
 191 /* U-APSD queues for WMM IEs sent by STA */
 192 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 195 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 196 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 197
 198 /* U-APSD max SP length for WMM IEs sent by STA */
 199 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 203 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 204 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 205
 206 #define IEEE80211_HT_CTL_LEN            4
 207
 208 struct ieee80211_hdr {
 209         __le16 frame_control;
 210         __le16 duration_id;
 211         u8 addr1[6];
 212         u8 addr2[6];
 213         u8 addr3[6];
 214         __le16 seq_ctrl;
 215         u8 addr4[6];
 216 } __packed __aligned(2);
 217
 218 struct ieee80211_hdr_3addr {
 219         __le16 frame_control;
 220         __le16 duration_id;
 221         u8 addr1[6];
 222         u8 addr2[6];
 223         u8 addr3[6];
 224         __le16 seq_ctrl;
 225 } __packed __aligned(2);
 226
 227 struct ieee80211_qos_hdr {
 228         __le16 frame_control;
 229         __le16 duration_id;
 230         u8 addr1[6];
 231         u8 addr2[6];
 232         u8 addr3[6];
 233         __le16 seq_ctrl;
 234         __le16 qos_ctrl;
 235 } __packed __aligned(2);
 236
 237 /**
 238  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 239  * @fc: frame control bytes in little-endian byteorder
 240  */
 241 static inline int ieee80211_has_tods(__le16 fc)
 242 {
 243         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 244 }
 245
 246 /**
 247  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 248  * @fc: frame control bytes in little-endian byteorder
 249  */
 250 static inline int ieee80211_has_fromds(__le16 fc)
 251 {
 252         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 253 }
 254
 255 /**
 256  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 257  * @fc: frame control bytes in little-endian byteorder
 258  */
 259 static inline int ieee80211_has_a4(__le16 fc)
 260 {
 261         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 262         return (fc & tmp) == tmp;
 263 }
 264
 265 /**
 266  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 267  * @fc: frame control bytes in little-endian byteorder
 268  */
 269 static inline int ieee80211_has_morefrags(__le16 fc)
 270 {
 271         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 272 }
 273
 274 /**
 275  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 276  * @fc: frame control bytes in little-endian byteorder
 277  */
 278 static inline int ieee80211_has_retry(__le16 fc)
 279 {
 280         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 281 }
 282
 283 /**
 284  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 285  * @fc: frame control bytes in little-endian byteorder
 286  */
 287 static inline int ieee80211_has_pm(__le16 fc)
 288 {
 289         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 290 }
 291
 292 /**
 293  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 294  * @fc: frame control bytes in little-endian byteorder
 295  */
 296 static inline int ieee80211_has_moredata(__le16 fc)
 297 {
 298         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 299 }
 300
 301 /**
 302  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 303  * @fc: frame control bytes in little-endian byteorder
 304  */
 305 static inline int ieee80211_has_protected(__le16 fc)
 306 {
 307         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 308 }
 309
 310 /**
 311  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 312  * @fc: frame control bytes in little-endian byteorder
 313  */
 314 static inline int ieee80211_has_order(__le16 fc)
 315 {
 316         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 317 }
 318
 319 /**
 320  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 321  * @fc: frame control bytes in little-endian byteorder
 322  */
 323 static inline int ieee80211_is_mgmt(__le16 fc)
 324 {
 325         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 326                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 327 }
 328
 329 /**
 330  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 331  * @fc: frame control bytes in little-endian byteorder
 332  */
 333 static inline int ieee80211_is_ctl(__le16 fc)
 334 {
 335         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 336                cpu_to_le16(IEEE80211_FTYPE_CTL);
 337 }
 338
 339 /**
 340  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 341  * @fc: frame control bytes in little-endian byteorder
 342  */
 343 static inline int ieee80211_is_data(__le16 fc)
 344 {
 345         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 346                cpu_to_le16(IEEE80211_FTYPE_DATA);
 347 }
 348
 349 /**
 350  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 351  * @fc: frame control bytes in little-endian byteorder
 352  */
 353 static inline int ieee80211_is_data_qos(__le16 fc)
 354 {
 355         /*
 356          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 357          * to check the one bit
 358          */
 359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 360                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 361 }
 362
 363 /**
 364  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline int ieee80211_is_data_present(__le16 fc)
 368 {
 369         /*
 370          * mask with 0x40 and test that that bit is clear to only return true
 371          * for the data-containing substypes.
 372          */
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline int ieee80211_is_assoc_req(__le16 fc)
 382 {
 383         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 384                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 385 }
 386
 387 /**
 388  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 389  * @fc: frame control bytes in little-endian byteorder
 390  */
 391 static inline int ieee80211_is_assoc_resp(__le16 fc)
 392 {
 393         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 394                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 395 }
 396
 397 /**
 398  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 399  * @fc: frame control bytes in little-endian byteorder
 400  */
 401 static inline int ieee80211_is_reassoc_req(__le16 fc)
 402 {
 403         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 404                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 405 }
 406
 407 /**
 408  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 409  * @fc: frame control bytes in little-endian byteorder
 410  */
 411 static inline int ieee80211_is_reassoc_resp(__le16 fc)
 412 {
 413         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 414                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 415 }
 416
 417 /**
 418  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 419  * @fc: frame control bytes in little-endian byteorder
 420  */
 421 static inline int ieee80211_is_probe_req(__le16 fc)
 422 {
 423         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 424                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 425 }
 426
 427 /**
 428  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 429  * @fc: frame control bytes in little-endian byteorder
 430  */
 431 static inline int ieee80211_is_probe_resp(__le16 fc)
 432 {
 433         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 434                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 435 }
 436
 437 /**
 438  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 439  * @fc: frame control bytes in little-endian byteorder
 440  */
 441 static inline int ieee80211_is_beacon(__le16 fc)
 442 {
 443         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 444                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 445 }
 446
 447 /**
 448  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 449  * @fc: frame control bytes in little-endian byteorder
 450  */
 451 static inline int ieee80211_is_atim(__le16 fc)
 452 {
 453         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 454                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 455 }
 456
 457 /**
 458  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 459  * @fc: frame control bytes in little-endian byteorder
 460  */
 461 static inline int ieee80211_is_disassoc(__le16 fc)
 462 {
 463         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 464                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 465 }
 466
 467 /**
 468  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 469  * @fc: frame control bytes in little-endian byteorder
 470  */
 471 static inline int ieee80211_is_auth(__le16 fc)
 472 {
 473         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 474                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 475 }
 476
 477 /**
 478  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 479  * @fc: frame control bytes in little-endian byteorder
 480  */
 481 static inline int ieee80211_is_deauth(__le16 fc)
 482 {
 483         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 484                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 485 }
 486
 487 /**
 488  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 489  * @fc: frame control bytes in little-endian byteorder
 490  */
 491 static inline int ieee80211_is_action(__le16 fc)
 492 {
 493         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 494                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 495 }
 496
 497 /**
 498  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 499  * @fc: frame control bytes in little-endian byteorder
 500  */
 501 static inline int ieee80211_is_back_req(__le16 fc)
 502 {
 503         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 504                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 505 }
 506
 507 /**
 508  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 509  * @fc: frame control bytes in little-endian byteorder
 510  */
 511 static inline int ieee80211_is_back(__le16 fc)
 512 {
 513         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 514                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 515 }
 516
 517 /**
 518  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 519  * @fc: frame control bytes in little-endian byteorder
 520  */
 521 static inline int ieee80211_is_pspoll(__le16 fc)
 522 {
 523         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 524                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 525 }
 526
 527 /**
 528  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 529  * @fc: frame control bytes in little-endian byteorder
 530  */
 531 static inline int ieee80211_is_rts(__le16 fc)
 532 {
 533         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 534                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 535 }
 536
 537 /**
 538  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 539  * @fc: frame control bytes in little-endian byteorder
 540  */
 541 static inline int ieee80211_is_cts(__le16 fc)
 542 {
 543         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 544                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 545 }
 546
 547 /**
 548  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 549  * @fc: frame control bytes in little-endian byteorder
 550  */
 551 static inline int ieee80211_is_ack(__le16 fc)
 552 {
 553         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 554                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 555 }
 556
 557 /**
 558  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 559  * @fc: frame control bytes in little-endian byteorder
 560  */
 561 static inline int ieee80211_is_cfend(__le16 fc)
 562 {
 563         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 564                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 565 }
 566
 567 /**
 568  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 569  * @fc: frame control bytes in little-endian byteorder
 570  */
 571 static inline int ieee80211_is_cfendack(__le16 fc)
 572 {
 573         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 574                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 575 }
 576
 577 /**
 578  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 579  * @fc: frame control bytes in little-endian byteorder
 580  */
 581 static inline int ieee80211_is_nullfunc(__le16 fc)
 582 {
 583         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 584                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 585 }
 586
 587 /**
 588  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 589  * @fc: frame control bytes in little-endian byteorder
 590  */
 591 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
 592 {
 593         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 594                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 595 }
 596
 597 /**
 598  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 599  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 600  */
 601 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 602 {
 603         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 604 }
 605
 606 struct ieee80211s_hdr {
 607         u8 flags;
 608         u8 ttl;
 609         __le32 seqnum;
 610         u8 eaddr1[6];
 611         u8 eaddr2[6];
 612 } __packed __aligned(2);
 613
 614 /* Mesh flags */
 615 #define MESH_FLAGS_AE_A4        0x1
 616 #define MESH_FLAGS_AE_A5_A6     0x2
 617 #define MESH_FLAGS_AE           0x3
 618 #define MESH_FLAGS_PS_DEEP      0x4
 619
 620 /**
 621  * enum ieee80211_preq_flags - mesh PREQ element flags
 622  *
 623  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 624  */
 625 enum ieee80211_preq_flags {
 626         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 627 };
 628
 629 /**
 630  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 631  *
 632  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 633  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 634  */
 635 enum ieee80211_preq_target_flags {
 636         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 637         IEEE80211_PREQ_USN_FLAG = 1<<2,
 638 };
 639
 640 /**
 641  * struct ieee80211_quiet_ie
 642  *
 643  * This structure refers to "Quiet information element"
 644  */
 645 struct ieee80211_quiet_ie {
 646         u8 count;
 647         u8 period;
 648         __le16 duration;
 649         __le16 offset;
 650 } __packed;
 651
 652 /**
 653  * struct ieee80211_msrment_ie
 654  *
 655  * This structure refers to "Measurement Request/Report information element"
 656  */
 657 struct ieee80211_msrment_ie {
 658         u8 token;
 659         u8 mode;
 660         u8 type;
 661         u8 request[0];
 662 } __packed;
 663
 664 /**
 665  * struct ieee80211_channel_sw_ie
 666  *
 667  * This structure refers to "Channel Switch Announcement information element"
 668  */
 669 struct ieee80211_channel_sw_ie {
 670         u8 mode;
 671         u8 new_ch_num;
 672         u8 count;
 673 } __packed;
 674
 675 /**
 676  * struct ieee80211_ext_chansw_ie
 677  *
 678  * This structure represents the "Extended Channel Switch Announcement element"
 679  */
 680 struct ieee80211_ext_chansw_ie {
 681         u8 mode;
 682         u8 new_operating_class;
 683         u8 new_ch_num;
 684         u8 count;
 685 } __packed;
 686
 687 /**
 688  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 689  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 690  *      values here
 691  * This structure represents the "Secondary Channel Offset element"
 692  */
 693 struct ieee80211_sec_chan_offs_ie {
 694         u8 sec_chan_offs;
 695 } __packed;
 696
 697 /**
 698  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 699  */
 700 struct ieee80211_wide_bw_chansw_ie {
 701         u8 new_channel_width;
 702         u8 new_center_freq_seg0, new_center_freq_seg1;
 703 } __packed;
 704
 705 /**
 706  * struct ieee80211_tim
 707  *
 708  * This structure refers to "Traffic Indication Map information element"
 709  */
 710 struct ieee80211_tim_ie {
 711         u8 dtim_count;
 712         u8 dtim_period;
 713         u8 bitmap_ctrl;
 714         /* variable size: 1 - 251 bytes */
 715         u8 virtual_map[1];
 716 } __packed;
 717
 718 /**
 719  * struct ieee80211_meshconf_ie
 720  *
 721  * This structure refers to "Mesh Configuration information element"
 722  */
 723 struct ieee80211_meshconf_ie {
 724         u8 meshconf_psel;
 725         u8 meshconf_pmetric;
 726         u8 meshconf_congest;
 727         u8 meshconf_synch;
 728         u8 meshconf_auth;
 729         u8 meshconf_form;
 730         u8 meshconf_cap;
 731 } __packed;
 732
 733 /**
 734  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 735  *
 736  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 737  *      additional mesh peerings with other mesh STAs
 738  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 739  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 740  *      is ongoing
 741  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 742  *      neighbors in deep sleep mode
 743  */
 744 enum mesh_config_capab_flags {
 745         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 746         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 747         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 748         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 749 };
 750
 751 /**
 752  * struct ieee80211_rann_ie
 753  *
 754  * This structure refers to "Root Announcement information element"
 755  */
 756 struct ieee80211_rann_ie {
 757         u8 rann_flags;
 758         u8 rann_hopcount;
 759         u8 rann_ttl;
 760         u8 rann_addr[6];
 761         __le32 rann_seq;
 762         __le32 rann_interval;
 763         __le32 rann_metric;
 764 } __packed;
 765
 766 enum ieee80211_rann_flags {
 767         RANN_FLAG_IS_GATE = 1 << 0,
 768 };
 769
 770 enum ieee80211_ht_chanwidth_values {
 771         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 772         IEEE80211_HT_CHANWIDTH_ANY = 1,
 773 };
 774
 775 /**
 776  * enum ieee80211_opmode_bits - VHT operating mode field bits
 777  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 778  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 779  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 780  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 781  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 782  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 783  *      (the NSS value is the value of this field + 1)
 784  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 785  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 786  *      using a beamforming steering matrix
 787  */
 788 enum ieee80211_vht_opmode_bits {
 789         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 790         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 791         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 792         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 793         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 794         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 795         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 796         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 797 };
 798
 799 #define WLAN_SA_QUERY_TR_ID_LEN 2
 800
 801 struct ieee80211_mgmt {
 802         __le16 frame_control;
 803         __le16 duration;
 804         u8 da[6];
 805         u8 sa[6];
 806         u8 bssid[6];
 807         __le16 seq_ctrl;
 808         union {
 809                 struct {
 810                         __le16 auth_alg;
 811                         __le16 auth_transaction;
 812                         __le16 status_code;
 813                         /* possibly followed by Challenge text */
 814                         u8 variable[0];
 815                 } __packed auth;
 816                 struct {
 817                         __le16 reason_code;
 818                 } __packed deauth;
 819                 struct {
 820                         __le16 capab_info;
 821                         __le16 listen_interval;
 822                         /* followed by SSID and Supported rates */
 823                         u8 variable[0];
 824                 } __packed assoc_req;
 825                 struct {
 826                         __le16 capab_info;
 827                         __le16 status_code;
 828                         __le16 aid;
 829                         /* followed by Supported rates */
 830                         u8 variable[0];
 831                 } __packed assoc_resp, reassoc_resp;
 832                 struct {
 833                         __le16 capab_info;
 834                         __le16 listen_interval;
 835                         u8 current_ap[6];
 836                         /* followed by SSID and Supported rates */
 837                         u8 variable[0];
 838                 } __packed reassoc_req;
 839                 struct {
 840                         __le16 reason_code;
 841                 } __packed disassoc;
 842                 struct {
 843                         __le64 timestamp;
 844                         __le16 beacon_int;
 845                         __le16 capab_info;
 846                         /* followed by some of SSID, Supported rates,
 847                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 848                         u8 variable[0];
 849                 } __packed beacon;
 850                 struct {
 851                         /* only variable items: SSID, Supported rates */
 852                         u8 variable[0];
 853                 } __packed probe_req;
 854                 struct {
 855                         __le64 timestamp;
 856                         __le16 beacon_int;
 857                         __le16 capab_info;
 858                         /* followed by some of SSID, Supported rates,
 859                          * FH Params, DS Params, CF Params, IBSS Params */
 860                         u8 variable[0];
 861                 } __packed probe_resp;
 862                 struct {
 863                         u8 category;
 864                         union {
 865                                 struct {
 866                                         u8 action_code;
 867                                         u8 dialog_token;
 868                                         u8 status_code;
 869                                         u8 variable[0];
 870                                 } __packed wme_action;
 871                                 struct{
 872                                         u8 action_code;
 873                                         u8 variable[0];
 874                                 } __packed chan_switch;
 875                                 struct{
 876                                         u8 action_code;
 877                                         struct ieee80211_ext_chansw_ie data;
 878                                         u8 variable[0];
 879                                 } __packed ext_chan_switch;
 880                                 struct{
 881                                         u8 action_code;
 882                                         u8 dialog_token;
 883                                         u8 element_id;
 884                                         u8 length;
 885                                         struct ieee80211_msrment_ie msr_elem;
 886                                 } __packed measurement;
 887                                 struct{
 888                                         u8 action_code;
 889                                         u8 dialog_token;
 890                                         __le16 capab;
 891                                         __le16 timeout;
 892                                         __le16 start_seq_num;
 893                                 } __packed addba_req;
 894                                 struct{
 895                                         u8 action_code;
 896                                         u8 dialog_token;
 897                                         __le16 status;
 898                                         __le16 capab;
 899                                         __le16 timeout;
 900                                 } __packed addba_resp;
 901                                 struct{
 902                                         u8 action_code;
 903                                         __le16 params;
 904                                         __le16 reason_code;
 905                                 } __packed delba;
 906                                 struct {
 907                                         u8 action_code;
 908                                         u8 variable[0];
 909                                 } __packed self_prot;
 910                                 struct{
 911                                         u8 action_code;
 912                                         u8 variable[0];
 913                                 } __packed mesh_action;
 914                                 struct {
 915                                         u8 action;
 916                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 917                                 } __packed sa_query;
 918                                 struct {
 919                                         u8 action;
 920                                         u8 smps_control;
 921                                 } __packed ht_smps;
 922                                 struct {
 923                                         u8 action_code;
 924                                         u8 chanwidth;
 925                                 } __packed ht_notify_cw;
 926                                 struct {
 927                                         u8 action_code;
 928                                         u8 dialog_token;
 929                                         __le16 capability;
 930                                         u8 variable[0];
 931                                 } __packed tdls_discover_resp;
 932                                 struct {
 933                                         u8 action_code;
 934                                         u8 operating_mode;
 935                                 } __packed vht_opmode_notif;
 936                         } u;
 937                 } __packed action;
 938         } u;
 939 } __packed __aligned(2);
 940
 941 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 942 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 943
 944 /* mgmt header + 1 byte category code */
 945 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 946
 947
 948 /* Management MIC information element (IEEE 802.11w) */
 949 struct ieee80211_mmie {
 950         u8 element_id;
 951         u8 length;
 952         __le16 key_id;
 953         u8 sequence_number[6];
 954         u8 mic[8];
 955 } __packed;
 956
 957 struct ieee80211_vendor_ie {
 958         u8 element_id;
 959         u8 len;
 960         u8 oui[3];
 961         u8 oui_type;
 962 } __packed;
 963
 964 /* Control frames */
 965 struct ieee80211_rts {
 966         __le16 frame_control;
 967         __le16 duration;
 968         u8 ra[6];
 969         u8 ta[6];
 970 } __packed __aligned(2);
 971
 972 struct ieee80211_cts {
 973         __le16 frame_control;
 974         __le16 duration;
 975         u8 ra[6];
 976 } __packed __aligned(2);
 977
 978 struct ieee80211_pspoll {
 979         __le16 frame_control;
 980         __le16 aid;
 981         u8 bssid[6];
 982         u8 ta[6];
 983 } __packed __aligned(2);
 984
 985 /* TDLS */
 986
 987 /* Link-id information element */
 988 struct ieee80211_tdls_lnkie {
 989         u8 ie_type; /* Link Identifier IE */
 990         u8 ie_len;
 991         u8 bssid[6];
 992         u8 init_sta[6];
 993         u8 resp_sta[6];
 994 } __packed;
 995
 996 struct ieee80211_tdls_data {
 997         u8 da[6];
 998         u8 sa[6];
 999         __be16 ether_type;
1000         u8 payload_type;
1001         u8 category;
1002         u8 action_code;
1003         union {
1004                 struct {
1005                         u8 dialog_token;
1006                         __le16 capability;
1007                         u8 variable[0];
1008                 } __packed setup_req;
1009                 struct {
1010                         __le16 status_code;
1011                         u8 dialog_token;
1012                         __le16 capability;
1013                         u8 variable[0];
1014                 } __packed setup_resp;
1015                 struct {
1016                         __le16 status_code;
1017                         u8 dialog_token;
1018                         u8 variable[0];
1019                 } __packed setup_cfm;
1020                 struct {
1021                         __le16 reason_code;
1022                         u8 variable[0];
1023                 } __packed teardown;
1024                 struct {
1025                         u8 dialog_token;
1026                         u8 variable[0];
1027                 } __packed discover_req;
1028         } u;
1029 } __packed;
1030
1031 /*
1032  * Peer-to-Peer IE attribute related definitions.
1033  */
1034 /**
1035  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1036  */
1037 enum ieee80211_p2p_attr_id {
1038         IEEE80211_P2P_ATTR_STATUS = 0,
1039         IEEE80211_P2P_ATTR_MINOR_REASON,
1040         IEEE80211_P2P_ATTR_CAPABILITY,
1041         IEEE80211_P2P_ATTR_DEVICE_ID,
1042         IEEE80211_P2P_ATTR_GO_INTENT,
1043         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1044         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1045         IEEE80211_P2P_ATTR_GROUP_BSSID,
1046         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1047         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1048         IEEE80211_P2P_ATTR_MANAGABILITY,
1049         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1050         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1051         IEEE80211_P2P_ATTR_DEVICE_INFO,
1052         IEEE80211_P2P_ATTR_GROUP_INFO,
1053         IEEE80211_P2P_ATTR_GROUP_ID,
1054         IEEE80211_P2P_ATTR_INTERFACE,
1055         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1056         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1057         /* 19 - 220: Reserved */
1058         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1059
1060         IEEE80211_P2P_ATTR_MAX
1061 };
1062
1063 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1064 /* Typical max value used here */
1065 #define IEEE80211_P2P_NOA_DESC_MAX      4
1066
1067 struct ieee80211_p2p_noa_desc {
1068         u8 count;
1069         __le32 duration;
1070         __le32 interval;
1071         __le32 start_time;
1072 } __packed;
1073
1074 struct ieee80211_p2p_noa_attr {
1075         u8 index;
1076         u8 oppps_ctwindow;
1077         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1078 } __packed;
1079
1080 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1081 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1082
1083 /**
1084  * struct ieee80211_bar - HT Block Ack Request
1085  *
1086  * This structure refers to "HT BlockAckReq" as
1087  * described in 802.11n draft section 7.2.1.7.1
1088  */
1089 struct ieee80211_bar {
1090         __le16 frame_control;
1091         __le16 duration;
1092         __u8 ra[6];
1093         __u8 ta[6];
1094         __le16 control;
1095         __le16 start_seq_num;
1096 } __packed;
1097
1098 /* 802.11 BAR control masks */
1099 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1100 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1101 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1102 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1103 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1104
1105 #define IEEE80211_HT_MCS_MASK_LEN               10
1106
1107 /**
1108  * struct ieee80211_mcs_info - MCS information
1109  * @rx_mask: RX mask
1110  * @rx_highest: highest supported RX rate. If set represents
1111  *      the highest supported RX data rate in units of 1 Mbps.
1112  *      If this field is 0 this value should not be used to
1113  *      consider the highest RX data rate supported.
1114  * @tx_params: TX parameters
1115  */
1116 struct ieee80211_mcs_info {
1117         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1118         __le16 rx_highest;
1119         u8 tx_params;
1120         u8 reserved[3];
1121 } __packed;
1122
1123 /* 802.11n HT capability MSC set */
1124 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1125 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1126 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1127 /* value 0 == 1 stream etc */
1128 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1129 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1130 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1131 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1132
1133 /*
1134  * 802.11n D5.0 20.3.5 / 20.6 says:
1135  * - indices 0 to 7 and 32 are single spatial stream
1136  * - 8 to 31 are multiple spatial streams using equal modulation
1137  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1138  * - remainder are multiple spatial streams using unequal modulation
1139  */
1140 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1141 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1142         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1143
1144 /**
1145  * struct ieee80211_ht_cap - HT capabilities
1146  *
1147  * This structure is the "HT capabilities element" as
1148  * described in 802.11n D5.0 7.3.2.57
1149  */
1150 struct ieee80211_ht_cap {
1151         __le16 cap_info;
1152         u8 ampdu_params_info;
1153
1154         /* 16 bytes MCS information */
1155         struct ieee80211_mcs_info mcs;
1156
1157         __le16 extended_ht_cap_info;
1158         __le32 tx_BF_cap_info;
1159         u8 antenna_selection_info;
1160 } __packed;
1161
1162 /* 802.11n HT capabilities masks (for cap_info) */
1163 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1164 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1165 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1166 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1167 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1168 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1169 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1170 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1171 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1172 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1173 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1174 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1175 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1176 #define IEEE80211_HT_CAP_RESERVED               0x2000
1177 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1178 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1179
1180 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1181 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1182 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1183 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1184 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1185 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1186 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1187 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1188
1189 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1190 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1191 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1192 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1193
1194 /*
1195  * Maximum length of AMPDU that the STA can receive.
1196  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1197  */
1198 enum ieee80211_max_ampdu_length_exp {
1199         IEEE80211_HT_MAX_AMPDU_8K = 0,
1200         IEEE80211_HT_MAX_AMPDU_16K = 1,
1201         IEEE80211_HT_MAX_AMPDU_32K = 2,
1202         IEEE80211_HT_MAX_AMPDU_64K = 3
1203 };
1204
1205 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1206
1207 /* Minimum MPDU start spacing */
1208 enum ieee80211_min_mpdu_spacing {
1209         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1210         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1211         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1212         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1213         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1214         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1215         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1216         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1217 };
1218
1219 /**
1220  * struct ieee80211_ht_operation - HT operation IE
1221  *
1222  * This structure is the "HT operation element" as
1223  * described in 802.11n-2009 7.3.2.57
1224  */
1225 struct ieee80211_ht_operation {
1226         u8 primary_chan;
1227         u8 ht_param;
1228         __le16 operation_mode;
1229         __le16 stbc_param;
1230         u8 basic_set[16];
1231 } __packed;
1232
1233 /* for ht_param */
1234 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1235 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1236 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1237 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1238 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1239 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1240
1241 /* for operation_mode */
1242 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1243 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1244 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1245 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1246 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1247 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1248 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1249
1250 /* for stbc_param */
1251 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1252 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1253 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1254 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1255 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1256 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1257
1258
1259 /* block-ack parameters */
1260 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1261 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1262 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1263 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1264 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1265
1266 /*
1267  * A-PMDU buffer sizes
1268  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1269  */
1270 #define IEEE80211_MIN_AMPDU_BUF 0x8
1271 #define IEEE80211_MAX_AMPDU_BUF 0x40
1272
1273
1274 /* Spatial Multiplexing Power Save Modes (for capability) */
1275 #define WLAN_HT_CAP_SM_PS_STATIC        0
1276 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1277 #define WLAN_HT_CAP_SM_PS_INVALID       2
1278 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1279
1280 /* for SM power control field lower two bits */
1281 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1282 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1283 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1284
1285 /**
1286  * struct ieee80211_vht_mcs_info - VHT MCS information
1287  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1288  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1289  *      STA can receive. Rate expressed in units of 1 Mbps.
1290  *      If this field is 0 this value should not be used to
1291  *      consider the highest RX data rate supported.
1292  *      The top 3 bits of this field are reserved.
1293  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1294  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1295  *      STA can transmit. Rate expressed in units of 1 Mbps.
1296  *      If this field is 0 this value should not be used to
1297  *      consider the highest TX data rate supported.
1298  *      The top 3 bits of this field are reserved.
1299  */
1300 struct ieee80211_vht_mcs_info {
1301         __le16 rx_mcs_map;
1302         __le16 rx_highest;
1303         __le16 tx_mcs_map;
1304         __le16 tx_highest;
1305 } __packed;
1306
1307 /**
1308  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1309  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1310  *      number of streams
1311  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1312  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1313  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1314  *
1315  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1316  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1317  * both split into 8 subfields by number of streams. These values indicate
1318  * which MCSes are supported for the number of streams the value appears
1319  * for.
1320  */
1321 enum ieee80211_vht_mcs_support {
1322         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1323         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1324         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1325         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1326 };
1327
1328 /**
1329  * struct ieee80211_vht_cap - VHT capabilities
1330  *
1331  * This structure is the "VHT capabilities element" as
1332  * described in 802.11ac D3.0 8.4.2.160
1333  * @vht_cap_info: VHT capability info
1334  * @supp_mcs: VHT MCS supported rates
1335  */
1336 struct ieee80211_vht_cap {
1337         __le32 vht_cap_info;
1338         struct ieee80211_vht_mcs_info supp_mcs;
1339 } __packed;
1340
1341 /**
1342  * enum ieee80211_vht_chanwidth - VHT channel width
1343  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1344  *      determine the channel width (20 or 40 MHz)
1345  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1346  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1347  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1348  */
1349 enum ieee80211_vht_chanwidth {
1350         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1351         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1352         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1353         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1354 };
1355
1356 /**
1357  * struct ieee80211_vht_operation - VHT operation IE
1358  *
1359  * This structure is the "VHT operation element" as
1360  * described in 802.11ac D3.0 8.4.2.161
1361  * @chan_width: Operating channel width
1362  * @center_freq_seg1_idx: center freq segment 1 index
1363  * @center_freq_seg2_idx: center freq segment 2 index
1364  * @basic_mcs_set: VHT Basic MCS rate set
1365  */
1366 struct ieee80211_vht_operation {
1367         u8 chan_width;
1368         u8 center_freq_seg1_idx;
1369         u8 center_freq_seg2_idx;
1370         __le16 basic_mcs_set;
1371 } __packed;
1372
1373
1374 /* 802.11ac VHT Capabilities */
1375 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1376 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1377 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1378 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1379 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1380 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1381 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1382 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1383 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1384 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1385 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1386 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1387 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1388 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1389 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1390 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1391 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1392 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX               0x00006000
1393 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX               0x00030000
1394 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1395 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1396 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1397 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1398 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1399 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1400                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1401 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1402 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1403 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1404 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1405
1406 /* Authentication algorithms */
1407 #define WLAN_AUTH_OPEN 0
1408 #define WLAN_AUTH_SHARED_KEY 1
1409 #define WLAN_AUTH_FT 2
1410 #define WLAN_AUTH_SAE 3
1411 #define WLAN_AUTH_LEAP 128
1412
1413 #define WLAN_AUTH_CHALLENGE_LEN 128
1414
1415 #define WLAN_CAPABILITY_ESS             (1<<0)
1416 #define WLAN_CAPABILITY_IBSS            (1<<1)
1417
1418 /*
1419  * A mesh STA sets the ESS and IBSS capability bits to zero.
1420  * however, this holds true for p2p probe responses (in the p2p_find
1421  * phase) as well.
1422  */
1423 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1424         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1425
1426 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1427 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1428 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1429 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1430 #define WLAN_CAPABILITY_PBCC            (1<<6)
1431 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1432
1433 /* 802.11h */
1434 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1435 #define WLAN_CAPABILITY_QOS             (1<<9)
1436 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1437 #define WLAN_CAPABILITY_APSD            (1<<11)
1438 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1439 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1440 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1441 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1442
1443 /* DMG (60gHz) 802.11ad */
1444 /* type - bits 0..1 */
1445 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1446 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1447 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1448 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1449
1450 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1451 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1452 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1453 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1454
1455 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1456 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1457
1458 /* measurement */
1459 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1460 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1461 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1462
1463 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1464 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1465 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1466
1467 /* 802.11g ERP information element */
1468 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1469 #define WLAN_ERP_USE_PROTECTION (1<<1)
1470 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1471
1472 /* WLAN_ERP_BARKER_PREAMBLE values */
1473 enum {
1474         WLAN_ERP_PREAMBLE_SHORT = 0,
1475         WLAN_ERP_PREAMBLE_LONG = 1,
1476 };
1477
1478 /* Band ID, 802.11ad #8.4.1.45 */
1479 enum {
1480         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1481         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1482         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1483         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1484         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1485         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1486 };
1487
1488 /* Status codes */
1489 enum ieee80211_statuscode {
1490         WLAN_STATUS_SUCCESS = 0,
1491         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1492         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1493         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1494         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1495         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1496         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1497         WLAN_STATUS_CHALLENGE_FAIL = 15,
1498         WLAN_STATUS_AUTH_TIMEOUT = 16,
1499         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1500         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1501         /* 802.11b */
1502         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1503         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1504         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1505         /* 802.11h */
1506         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1507         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1508         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1509         /* 802.11g */
1510         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1511         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1512         /* 802.11w */
1513         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1514         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1515         /* 802.11i */
1516         WLAN_STATUS_INVALID_IE = 40,
1517         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1518         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1519         WLAN_STATUS_INVALID_AKMP = 43,
1520         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1521         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1522         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1523         /* 802.11e */
1524         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1525         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1526         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1527         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1528         WLAN_STATUS_REQUEST_DECLINED = 37,
1529         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1530         WLAN_STATUS_CHANGE_TSPEC = 39,
1531         WLAN_STATUS_WAIT_TS_DELAY = 47,
1532         WLAN_STATUS_NO_DIRECT_LINK = 48,
1533         WLAN_STATUS_STA_NOT_PRESENT = 49,
1534         WLAN_STATUS_STA_NOT_QSTA = 50,
1535         /* 802.11s */
1536         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1537         WLAN_STATUS_FCG_NOT_SUPP = 78,
1538         WLAN_STATUS_STA_NO_TBTT = 78,
1539         /* 802.11ad */
1540         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1541         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1542         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1543         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1544         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1545         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1546         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1547         WLAN_STATUS_REJECT_DSE_BAND = 96,
1548         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1549         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1550 };
1551
1552
1553 /* Reason codes */
1554 enum ieee80211_reasoncode {
1555         WLAN_REASON_UNSPECIFIED = 1,
1556         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1557         WLAN_REASON_DEAUTH_LEAVING = 3,
1558         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1559         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1560         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1561         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1562         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1563         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1564         /* 802.11h */
1565         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1566         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1567         /* 802.11i */
1568         WLAN_REASON_INVALID_IE = 13,
1569         WLAN_REASON_MIC_FAILURE = 14,
1570         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1571         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1572         WLAN_REASON_IE_DIFFERENT = 17,
1573         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1574         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1575         WLAN_REASON_INVALID_AKMP = 20,
1576         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1577         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1578         WLAN_REASON_IEEE8021X_FAILED = 23,
1579         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1580         /* 802.11e */
1581         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1582         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1583         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1584         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1585         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1586         WLAN_REASON_QSTA_NOT_USE = 37,
1587         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1588         WLAN_REASON_QSTA_TIMEOUT = 39,
1589         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1590         /* 802.11s */
1591         WLAN_REASON_MESH_PEER_CANCELED = 52,
1592         WLAN_REASON_MESH_MAX_PEERS = 53,
1593         WLAN_REASON_MESH_CONFIG = 54,
1594         WLAN_REASON_MESH_CLOSE = 55,
1595         WLAN_REASON_MESH_MAX_RETRIES = 56,
1596         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1597         WLAN_REASON_MESH_INVALID_GTK = 58,
1598         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1599         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1600         WLAN_REASON_MESH_PATH_ERROR = 61,
1601         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1602         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1603         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1604         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1605         WLAN_REASON_MESH_CHAN = 66,
1606 };
1607
1608
1609 /* Information Element IDs */
1610 enum ieee80211_eid {
1611         WLAN_EID_SSID = 0,
1612         WLAN_EID_SUPP_RATES = 1,
1613         WLAN_EID_FH_PARAMS = 2,
1614         WLAN_EID_DS_PARAMS = 3,
1615         WLAN_EID_CF_PARAMS = 4,
1616         WLAN_EID_TIM = 5,
1617         WLAN_EID_IBSS_PARAMS = 6,
1618         WLAN_EID_CHALLENGE = 16,
1619
1620         WLAN_EID_COUNTRY = 7,
1621         WLAN_EID_HP_PARAMS = 8,
1622         WLAN_EID_HP_TABLE = 9,
1623         WLAN_EID_REQUEST = 10,
1624
1625         WLAN_EID_QBSS_LOAD = 11,
1626         WLAN_EID_EDCA_PARAM_SET = 12,
1627         WLAN_EID_TSPEC = 13,
1628         WLAN_EID_TCLAS = 14,
1629         WLAN_EID_SCHEDULE = 15,
1630         WLAN_EID_TS_DELAY = 43,
1631         WLAN_EID_TCLAS_PROCESSING = 44,
1632         WLAN_EID_QOS_CAPA = 46,
1633         /* 802.11z */
1634         WLAN_EID_LINK_ID = 101,
1635         /* 802.11s */
1636         WLAN_EID_MESH_CONFIG = 113,
1637         WLAN_EID_MESH_ID = 114,
1638         WLAN_EID_LINK_METRIC_REPORT = 115,
1639         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1640         WLAN_EID_PEER_MGMT = 117,
1641         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1642         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1643         WLAN_EID_BEACON_TIMING = 120,
1644         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1645         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1646         WLAN_EID_MCCAOP_ADVERT = 123,
1647         WLAN_EID_MCCAOP_TEARDOWN = 124,
1648         WLAN_EID_GANN = 125,
1649         WLAN_EID_RANN = 126,
1650         WLAN_EID_PREQ = 130,
1651         WLAN_EID_PREP = 131,
1652         WLAN_EID_PERR = 132,
1653         WLAN_EID_PXU = 137,
1654         WLAN_EID_PXUC = 138,
1655         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1656         WLAN_EID_MIC = 140,
1657
1658         WLAN_EID_PWR_CONSTRAINT = 32,
1659         WLAN_EID_PWR_CAPABILITY = 33,
1660         WLAN_EID_TPC_REQUEST = 34,
1661         WLAN_EID_TPC_REPORT = 35,
1662         WLAN_EID_SUPPORTED_CHANNELS = 36,
1663         WLAN_EID_CHANNEL_SWITCH = 37,
1664         WLAN_EID_MEASURE_REQUEST = 38,
1665         WLAN_EID_MEASURE_REPORT = 39,
1666         WLAN_EID_QUIET = 40,
1667         WLAN_EID_IBSS_DFS = 41,
1668
1669         WLAN_EID_ERP_INFO = 42,
1670         WLAN_EID_EXT_SUPP_RATES = 50,
1671
1672         WLAN_EID_HT_CAPABILITY = 45,
1673         WLAN_EID_HT_OPERATION = 61,
1674         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1675
1676         WLAN_EID_RSN = 48,
1677         WLAN_EID_MMIE = 76,
1678         WLAN_EID_VENDOR_SPECIFIC = 221,
1679         WLAN_EID_QOS_PARAMETER = 222,
1680
1681         WLAN_EID_AP_CHAN_REPORT = 51,
1682         WLAN_EID_NEIGHBOR_REPORT = 52,
1683         WLAN_EID_RCPI = 53,
1684         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1685         WLAN_EID_ANTENNA_INFO = 64,
1686         WLAN_EID_RSNI = 65,
1687         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1688         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1689         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1690         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1691         WLAN_EID_MULTIPLE_BSSID = 71,
1692         WLAN_EID_BSS_COEX_2040 = 72,
1693         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1694         WLAN_EID_EXT_CAPABILITY = 127,
1695
1696         WLAN_EID_MOBILITY_DOMAIN = 54,
1697         WLAN_EID_FAST_BSS_TRANSITION = 55,
1698         WLAN_EID_TIMEOUT_INTERVAL = 56,
1699         WLAN_EID_RIC_DATA = 57,
1700         WLAN_EID_RIC_DESCRIPTOR = 75,
1701
1702         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1703         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1704         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1705
1706         WLAN_EID_VHT_CAPABILITY = 191,
1707         WLAN_EID_VHT_OPERATION = 192,
1708         WLAN_EID_OPMODE_NOTIF = 199,
1709         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1710         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1711
1712         /* 802.11ad */
1713         WLAN_EID_NON_TX_BSSID_CAP =  83,
1714         WLAN_EID_WAKEUP_SCHEDULE = 143,
1715         WLAN_EID_EXT_SCHEDULE = 144,
1716         WLAN_EID_STA_AVAILABILITY = 145,
1717         WLAN_EID_DMG_TSPEC = 146,
1718         WLAN_EID_DMG_AT = 147,
1719         WLAN_EID_DMG_CAP = 148,
1720         WLAN_EID_DMG_OPERATION = 151,
1721         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1722         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1723         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1724         WLAN_EID_AWAKE_WINDOW = 157,
1725         WLAN_EID_MULTI_BAND = 158,
1726         WLAN_EID_ADDBA_EXT = 159,
1727         WLAN_EID_NEXT_PCP_LIST = 160,
1728         WLAN_EID_PCP_HANDOVER = 161,
1729         WLAN_EID_DMG_LINK_MARGIN = 162,
1730         WLAN_EID_SWITCHING_STREAM = 163,
1731         WLAN_EID_SESSION_TRANSITION = 164,
1732         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1733         WLAN_EID_CLUSTER_REPORT = 166,
1734         WLAN_EID_RELAY_CAP = 167,
1735         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1736         WLAN_EID_BEAM_LINK_MAINT = 169,
1737         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1738         WLAN_EID_U_PID = 171,
1739         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1740         WLAN_EID_QUIET_PERIOD_REQ = 175,
1741         WLAN_EID_QUIET_PERIOD_RESP = 177,
1742         WLAN_EID_EPAC_POLICY = 182,
1743         WLAN_EID_CLISTER_TIME_OFF = 183,
1744         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1745 };
1746
1747 /* Action category code */
1748 enum ieee80211_category {
1749         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1750         WLAN_CATEGORY_QOS = 1,
1751         WLAN_CATEGORY_DLS = 2,
1752         WLAN_CATEGORY_BACK = 3,
1753         WLAN_CATEGORY_PUBLIC = 4,
1754         WLAN_CATEGORY_HT = 7,
1755         WLAN_CATEGORY_SA_QUERY = 8,
1756         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1757         WLAN_CATEGORY_TDLS = 12,
1758         WLAN_CATEGORY_MESH_ACTION = 13,
1759         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1760         WLAN_CATEGORY_SELF_PROTECTED = 15,
1761         WLAN_CATEGORY_DMG = 16,
1762         WLAN_CATEGORY_WMM = 17,
1763         WLAN_CATEGORY_FST = 18,
1764         WLAN_CATEGORY_UNPROT_DMG = 20,
1765         WLAN_CATEGORY_VHT = 21,
1766         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1767         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1768 };
1769
1770 /* SPECTRUM_MGMT action code */
1771 enum ieee80211_spectrum_mgmt_actioncode {
1772         WLAN_ACTION_SPCT_MSR_REQ = 0,
1773         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1774         WLAN_ACTION_SPCT_TPC_REQ = 2,
1775         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1776         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1777 };
1778
1779 /* HT action codes */
1780 enum ieee80211_ht_actioncode {
1781         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1782         WLAN_HT_ACTION_SMPS = 1,
1783         WLAN_HT_ACTION_PSMP = 2,
1784         WLAN_HT_ACTION_PCO_PHASE = 3,
1785         WLAN_HT_ACTION_CSI = 4,
1786         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1787         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1788         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1789 };
1790
1791 /* VHT action codes */
1792 enum ieee80211_vht_actioncode {
1793         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1794         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1795         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1796 };
1797
1798 /* Self Protected Action codes */
1799 enum ieee80211_self_protected_actioncode {
1800         WLAN_SP_RESERVED = 0,
1801         WLAN_SP_MESH_PEERING_OPEN = 1,
1802         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1803         WLAN_SP_MESH_PEERING_CLOSE = 3,
1804         WLAN_SP_MGK_INFORM = 4,
1805         WLAN_SP_MGK_ACK = 5,
1806 };
1807
1808 /* Mesh action codes */
1809 enum ieee80211_mesh_actioncode {
1810         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1811         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1812         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1813         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1814         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1815         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1816         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1817         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1818         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1819         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1820         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1821 };
1822
1823 /* Security key length */
1824 enum ieee80211_key_len {
1825         WLAN_KEY_LEN_WEP40 = 5,
1826         WLAN_KEY_LEN_WEP104 = 13,
1827         WLAN_KEY_LEN_CCMP = 16,
1828         WLAN_KEY_LEN_TKIP = 32,
1829         WLAN_KEY_LEN_AES_CMAC = 16,
1830 };
1831
1832 /* Public action codes */
1833 enum ieee80211_pub_actioncode {
1834         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1835         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1836 };
1837
1838 /* TDLS action codes */
1839 enum ieee80211_tdls_actioncode {
1840         WLAN_TDLS_SETUP_REQUEST = 0,
1841         WLAN_TDLS_SETUP_RESPONSE = 1,
1842         WLAN_TDLS_SETUP_CONFIRM = 2,
1843         WLAN_TDLS_TEARDOWN = 3,
1844         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1845         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1846         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1847         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1848         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1849         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1850         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1851 };
1852
1853 /*
1854  * TDLS capabililites to be enabled in the 5th byte of the
1855  * @WLAN_EID_EXT_CAPABILITY information element
1856  */
1857 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
1858 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
1859
1860 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
1861
1862 /* TDLS specific payload type in the LLC/SNAP header */
1863 #define WLAN_TDLS_SNAP_RFTYPE   0x2
1864
1865 /**
1866  * enum - mesh synchronization method identifier
1867  *
1868  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1869  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1870  *      that will be specified in a vendor specific information element
1871  */
1872 enum {
1873         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1874         IEEE80211_SYNC_METHOD_VENDOR = 255,
1875 };
1876
1877 /**
1878  * enum - mesh path selection protocol identifier
1879  *
1880  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1881  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1882  *      be specified in a vendor specific information element
1883  */
1884 enum {
1885         IEEE80211_PATH_PROTOCOL_HWMP = 1,
1886         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1887 };
1888
1889 /**
1890  * enum - mesh path selection metric identifier
1891  *
1892  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1893  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1894  *      specified in a vendor specific information element
1895  */
1896 enum {
1897         IEEE80211_PATH_METRIC_AIRTIME = 1,
1898         IEEE80211_PATH_METRIC_VENDOR = 255,
1899 };
1900
1901 /**
1902  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1903  *
1904  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1905  *
1906  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1907  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1908  *      this value
1909  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1910  *      the proactive PREQ with proactive PREP subfield set to 0
1911  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1912  *      supports the proactive PREQ with proactive PREP subfield set to 1
1913  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1914  *      the proactive RANN
1915  */
1916 enum ieee80211_root_mode_identifier {
1917         IEEE80211_ROOTMODE_NO_ROOT = 0,
1918         IEEE80211_ROOTMODE_ROOT = 1,
1919         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1920         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1921         IEEE80211_PROACTIVE_RANN = 4,
1922 };
1923
1924 /*
1925  * IEEE 802.11-2007 7.3.2.9 Country information element
1926  *
1927  * Minimum length is 8 octets, ie len must be evenly
1928  * divisible by 2
1929  */
1930
1931 /* Although the spec says 8 I'm seeing 6 in practice */
1932 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
1933
1934 /* The Country String field of the element shall be 3 octets in length */
1935 #define IEEE80211_COUNTRY_STRING_LEN    3
1936
1937 /*
1938  * For regulatory extension stuff see IEEE 802.11-2007
1939  * Annex I (page 1141) and Annex J (page 1147). Also
1940  * review 7.3.2.9.
1941  *
1942  * When dot11RegulatoryClassesRequired is true and the
1943  * first_channel/reg_extension_id is >= 201 then the IE
1944  * compromises of the 'ext' struct represented below:
1945  *
1946  *  - Regulatory extension ID - when generating IE this just needs
1947  *    to be monotonically increasing for each triplet passed in
1948  *    the IE
1949  *  - Regulatory class - index into set of rules
1950  *  - Coverage class - index into air propagation time (Table 7-27),
1951  *    in microseconds, you can compute the air propagation time from
1952  *    the index by multiplying by 3, so index 10 yields a propagation
1953  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
1954  *    yet. A value of 0 inicates air propagation of <= 1 us.
1955  *
1956  *  See also Table I.2 for Emission limit sets and table
1957  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
1958  *  a reg_class to an emission limit set and behavior limit set.
1959  */
1960 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1961
1962 /*
1963  *  Channels numbers in the IE must be monotonically increasing
1964  *  if dot11RegulatoryClassesRequired is not true.
1965  *
1966  *  If dot11RegulatoryClassesRequired is true consecutive
1967  *  subband triplets following a regulatory triplet shall
1968  *  have monotonically increasing first_channel number fields.
1969  *
1970  *  Channel numbers shall not overlap.
1971  *
1972  *  Note that max_power is signed.
1973  */
1974 struct ieee80211_country_ie_triplet {
1975         union {
1976                 struct {
1977                         u8 first_channel;
1978                         u8 num_channels;
1979                         s8 max_power;
1980                 } __packed chans;
1981                 struct {
1982                         u8 reg_extension_id;
1983                         u8 reg_class;
1984                         u8 coverage_class;
1985                 } __packed ext;
1986         };
1987 } __packed;
1988
1989 enum ieee80211_timeout_interval_type {
1990         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1991         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1992         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1993 };
1994
1995 /**
1996  * struct ieee80211_timeout_interval_ie - Timeout Interval element
1997  * @type: type, see &enum ieee80211_timeout_interval_type
1998  * @value: timeout interval value
1999  */
2000 struct ieee80211_timeout_interval_ie {
2001         u8 type;
2002         __le32 value;
2003 } __packed;
2004
2005 /* BACK action code */
2006 enum ieee80211_back_actioncode {
2007         WLAN_ACTION_ADDBA_REQ = 0,
2008         WLAN_ACTION_ADDBA_RESP = 1,
2009         WLAN_ACTION_DELBA = 2,
2010 };
2011
2012 /* BACK (block-ack) parties */
2013 enum ieee80211_back_parties {
2014         WLAN_BACK_RECIPIENT = 0,
2015         WLAN_BACK_INITIATOR = 1,
2016 };
2017
2018 /* SA Query action */
2019 enum ieee80211_sa_query_action {
2020         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2021         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2022 };
2023
2024
2025 /* cipher suite selectors */
2026 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2027 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2028 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2029 /* reserved:                            0x000FAC03 */
2030 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2031 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2032 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2033 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2034
2035 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2036
2037 /* AKM suite selectors */
2038 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2039 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2040 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2041 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2042 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2043 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2044 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2045
2046 #define WLAN_MAX_KEY_LEN                32
2047
2048 #define WLAN_PMKID_LEN                  16
2049
2050 #define WLAN_OUI_WFA                    0x506f9a
2051 #define WLAN_OUI_TYPE_WFA_P2P           9
2052 #define WLAN_OUI_MICROSOFT              0x0050f2
2053 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2054 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2055 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2056
2057 /*
2058  * WMM/802.11e Tspec Element
2059  */
2060 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2061 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2062
2063 enum ieee80211_tspec_status_code {
2064         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2065         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2066 };
2067
2068 struct ieee80211_tspec_ie {
2069         u8 element_id;
2070         u8 len;
2071         u8 oui[3];
2072         u8 oui_type;
2073         u8 oui_subtype;
2074         u8 version;
2075         __le16 tsinfo;
2076         u8 tsinfo_resvd;
2077         __le16 nominal_msdu;
2078         __le16 max_msdu;
2079         __le32 min_service_int;
2080         __le32 max_service_int;
2081         __le32 inactivity_int;
2082         __le32 suspension_int;
2083         __le32 service_start_time;
2084         __le32 min_data_rate;
2085         __le32 mean_data_rate;
2086         __le32 peak_data_rate;
2087         __le32 max_burst_size;
2088         __le32 delay_bound;
2089         __le32 min_phy_rate;
2090         __le16 sba;
2091         __le16 medium_time;
2092 } __packed;
2093
2094 /**
2095  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2096  * @hdr: the frame
2097  *
2098  * The qos ctrl bytes come after the frame_control, duration, seq_num
2099  * and 3 or 4 addresses of length ETH_ALEN.
2100  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2101  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2102  */
2103 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2104 {
2105         if (ieee80211_has_a4(hdr->frame_control))
2106                 return (u8 *)hdr + 30;
2107         else
2108                 return (u8 *)hdr + 24;
2109 }
2110
2111 /**
2112  * ieee80211_get_SA - get pointer to SA
2113  * @hdr: the frame
2114  *
2115  * Given an 802.11 frame, this function returns the offset
2116  * to the source address (SA). It does not verify that the
2117  * header is long enough to contain the address, and the
2118  * header must be long enough to contain the frame control
2119  * field.
2120  */
2121 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2122 {
2123         if (ieee80211_has_a4(hdr->frame_control))
2124                 return hdr->addr4;
2125         if (ieee80211_has_fromds(hdr->frame_control))
2126                 return hdr->addr3;
2127         return hdr->addr2;
2128 }
2129
2130 /**
2131  * ieee80211_get_DA - get pointer to DA
2132  * @hdr: the frame
2133  *
2134  * Given an 802.11 frame, this function returns the offset
2135  * to the destination address (DA). It does not verify that
2136  * the header is long enough to contain the address, and the
2137  * header must be long enough to contain the frame control
2138  * field.
2139  */
2140 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2141 {
2142         if (ieee80211_has_tods(hdr->frame_control))
2143                 return hdr->addr3;
2144         else
2145                 return hdr->addr1;
2146 }
2147
2148 /**
2149  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2150  * @hdr: the frame (buffer must include at least the first octet of payload)
2151  */
2152 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2153 {
2154         if (ieee80211_is_disassoc(hdr->frame_control) ||
2155             ieee80211_is_deauth(hdr->frame_control))
2156                 return true;
2157
2158         if (ieee80211_is_action(hdr->frame_control)) {
2159                 u8 *category;
2160
2161                 /*
2162                  * Action frames, excluding Public Action frames, are Robust
2163                  * Management Frames. However, if we are looking at a Protected
2164                  * frame, skip the check since the data may be encrypted and
2165                  * the frame has already been found to be a Robust Management
2166                  * Frame (by the other end).
2167                  */
2168                 if (ieee80211_has_protected(hdr->frame_control))
2169                         return true;
2170                 category = ((u8 *) hdr) + 24;
2171                 return *category != WLAN_CATEGORY_PUBLIC &&
2172                         *category != WLAN_CATEGORY_HT &&
2173                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2174                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2175         }
2176
2177         return false;
2178 }
2179
2180 /**
2181  * ieee80211_is_public_action - check if frame is a public action frame
2182  * @hdr: the frame
2183  * @len: length of the frame
2184  */
2185 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2186                                               size_t len)
2187 {
2188         struct ieee80211_mgmt *mgmt = (void *)hdr;
2189
2190         if (len < IEEE80211_MIN_ACTION_SIZE)
2191                 return false;
2192         if (!ieee80211_is_action(hdr->frame_control))
2193                 return false;
2194         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2195 }
2196
2197 /**
2198  * ieee80211_dsss_chan_to_freq - get channel center frequency
2199  * @channel: the DSSS channel
2200  *
2201  * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2202  * Ref IEEE 802.11-2007 section 15.6
2203  */
2204 static inline int ieee80211_dsss_chan_to_freq(int channel)
2205 {
2206         if ((channel > 0) && (channel < 14))
2207                 return 2407 + (channel * 5);
2208         else if (channel == 14)
2209                 return 2484;
2210         else
2211                 return -1;
2212 }
2213
2214 /**
2215  * ieee80211_freq_to_dsss_chan - get channel
2216  * @freq: the frequency
2217  *
2218  * Convert frequency (MHz) to IEEE802.11 DSSS channel
2219  * Ref IEEE 802.11-2007 section 15.6
2220  *
2221  * This routine selects the channel with the closest center frequency.
2222  */
2223 static inline int ieee80211_freq_to_dsss_chan(int freq)
2224 {
2225         if ((freq >= 2410) && (freq < 2475))
2226                 return (freq - 2405) / 5;
2227         else if ((freq >= 2482) && (freq < 2487))
2228                 return 14;
2229         else
2230                 return -1;
2231 }
2232
2233 /**
2234  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2235  * @tu: the TUs
2236  */
2237 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2238 {
2239         return 1024 * tu;
2240 }
2241
2242 /**
2243  * ieee80211_check_tim - check if AID bit is set in TIM
2244  * @tim: the TIM IE
2245  * @tim_len: length of the TIM IE
2246  * @aid: the AID to look for
2247  */
2248 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2249                                        u8 tim_len, u16 aid)
2250 {
2251         u8 mask;
2252         u8 index, indexn1, indexn2;
2253
2254         if (unlikely(!tim || tim_len < sizeof(*tim)))
2255                 return false;
2256
2257         aid &= 0x3fff;
2258         index = aid / 8;
2259         mask  = 1 << (aid & 7);
2260
2261         indexn1 = tim->bitmap_ctrl & 0xfe;
2262         indexn2 = tim_len + indexn1 - 4;
2263
2264         if (index < indexn1 || index > indexn2)
2265                 return false;
2266
2267         index -= indexn1;
2268
2269         return !!(tim->virtual_map[index] & mask);
2270 }
2271
2272 #endif /* LINUX_IEEE80211_H */