1 /* 2 * IEEE 802.11 defines 3 * 4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 5 * <[email protected]> 6 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 7 * Copyright (c) 2005, Devicescape Software, Inc. 8 * Copyright (c) 2006, Michael Wu <[email protected]> 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 #define IEEE80211_MAX_MESH_PEERINGS 63 150 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 151 6.2.1.1.2. 152 153 802.11e clarifies the figure in section 7.1.2. The frame body is 154 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 155 #define IEEE80211_MAX_DATA_LEN 2304 156 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 157 #define IEEE80211_MAX_FRAME_LEN 2352 158 159 #define IEEE80211_MAX_SSID_LEN 32 160 161 #define IEEE80211_MAX_MESH_ID_LEN 32 162 163 #define IEEE80211_NUM_TIDS 16 164 165 #define IEEE80211_QOS_CTL_LEN 2 166 /* 1d tag mask */ 167 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 168 /* TID mask */ 169 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 170 /* EOSP */ 171 #define IEEE80211_QOS_CTL_EOSP 0x0010 172 /* ACK policy */ 173 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 174 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 175 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 176 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 177 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 178 /* A-MSDU 802.11n */ 179 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 180 /* Mesh Control 802.11s */ 181 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 182 183 /* Mesh Power Save Level */ 184 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 185 /* Mesh Receiver Service Period Initiated */ 186 #define IEEE80211_QOS_CTL_RSPI 0x0400 187 188 /* U-APSD queue for WMM IEs sent by AP */ 189 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 190 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 191 192 /* U-APSD queues for WMM IEs sent by STA */ 193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 195 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 196 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 197 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 198 199 /* U-APSD max SP length for WMM IEs sent by STA */ 200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 203 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 204 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 205 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 206 207 #define IEEE80211_HT_CTL_LEN 4 208 209 struct ieee80211_hdr { 210 __le16 frame_control; 211 __le16 duration_id; 212 u8 addr1[6]; 213 u8 addr2[6]; 214 u8 addr3[6]; 215 __le16 seq_ctrl; 216 u8 addr4[6]; 217 } __packed __aligned(2); 218 219 struct ieee80211_hdr_3addr { 220 __le16 frame_control; 221 __le16 duration_id; 222 u8 addr1[6]; 223 u8 addr2[6]; 224 u8 addr3[6]; 225 __le16 seq_ctrl; 226 } __packed __aligned(2); 227 228 struct ieee80211_qos_hdr { 229 __le16 frame_control; 230 __le16 duration_id; 231 u8 addr1[6]; 232 u8 addr2[6]; 233 u8 addr3[6]; 234 __le16 seq_ctrl; 235 __le16 qos_ctrl; 236 } __packed __aligned(2); 237 238 /** 239 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 240 * @fc: frame control bytes in little-endian byteorder 241 */ 242 static inline int ieee80211_has_tods(__le16 fc) 243 { 244 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 245 } 246 247 /** 248 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 249 * @fc: frame control bytes in little-endian byteorder 250 */ 251 static inline int ieee80211_has_fromds(__le16 fc) 252 { 253 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 254 } 255 256 /** 257 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 258 * @fc: frame control bytes in little-endian byteorder 259 */ 260 static inline int ieee80211_has_a4(__le16 fc) 261 { 262 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 263 return (fc & tmp) == tmp; 264 } 265 266 /** 267 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 268 * @fc: frame control bytes in little-endian byteorder 269 */ 270 static inline int ieee80211_has_morefrags(__le16 fc) 271 { 272 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 273 } 274 275 /** 276 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 277 * @fc: frame control bytes in little-endian byteorder 278 */ 279 static inline int ieee80211_has_retry(__le16 fc) 280 { 281 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 282 } 283 284 /** 285 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 286 * @fc: frame control bytes in little-endian byteorder 287 */ 288 static inline int ieee80211_has_pm(__le16 fc) 289 { 290 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 291 } 292 293 /** 294 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 295 * @fc: frame control bytes in little-endian byteorder 296 */ 297 static inline int ieee80211_has_moredata(__le16 fc) 298 { 299 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 300 } 301 302 /** 303 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 304 * @fc: frame control bytes in little-endian byteorder 305 */ 306 static inline int ieee80211_has_protected(__le16 fc) 307 { 308 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 309 } 310 311 /** 312 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 313 * @fc: frame control bytes in little-endian byteorder 314 */ 315 static inline int ieee80211_has_order(__le16 fc) 316 { 317 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 318 } 319 320 /** 321 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 322 * @fc: frame control bytes in little-endian byteorder 323 */ 324 static inline int ieee80211_is_mgmt(__le16 fc) 325 { 326 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 327 cpu_to_le16(IEEE80211_FTYPE_MGMT); 328 } 329 330 /** 331 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 332 * @fc: frame control bytes in little-endian byteorder 333 */ 334 static inline int ieee80211_is_ctl(__le16 fc) 335 { 336 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 337 cpu_to_le16(IEEE80211_FTYPE_CTL); 338 } 339 340 /** 341 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 342 * @fc: frame control bytes in little-endian byteorder 343 */ 344 static inline int ieee80211_is_data(__le16 fc) 345 { 346 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 347 cpu_to_le16(IEEE80211_FTYPE_DATA); 348 } 349 350 /** 351 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 352 * @fc: frame control bytes in little-endian byteorder 353 */ 354 static inline int ieee80211_is_data_qos(__le16 fc) 355 { 356 /* 357 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 358 * to check the one bit 359 */ 360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 361 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 362 } 363 364 /** 365 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 366 * @fc: frame control bytes in little-endian byteorder 367 */ 368 static inline int ieee80211_is_data_present(__le16 fc) 369 { 370 /* 371 * mask with 0x40 and test that that bit is clear to only return true 372 * for the data-containing substypes. 373 */ 374 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 375 cpu_to_le16(IEEE80211_FTYPE_DATA); 376 } 377 378 /** 379 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 380 * @fc: frame control bytes in little-endian byteorder 381 */ 382 static inline int ieee80211_is_assoc_req(__le16 fc) 383 { 384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 385 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 386 } 387 388 /** 389 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 390 * @fc: frame control bytes in little-endian byteorder 391 */ 392 static inline int ieee80211_is_assoc_resp(__le16 fc) 393 { 394 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 395 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 396 } 397 398 /** 399 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 400 * @fc: frame control bytes in little-endian byteorder 401 */ 402 static inline int ieee80211_is_reassoc_req(__le16 fc) 403 { 404 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 405 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 406 } 407 408 /** 409 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 410 * @fc: frame control bytes in little-endian byteorder 411 */ 412 static inline int ieee80211_is_reassoc_resp(__le16 fc) 413 { 414 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 415 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 416 } 417 418 /** 419 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 420 * @fc: frame control bytes in little-endian byteorder 421 */ 422 static inline int ieee80211_is_probe_req(__le16 fc) 423 { 424 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 425 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 426 } 427 428 /** 429 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 430 * @fc: frame control bytes in little-endian byteorder 431 */ 432 static inline int ieee80211_is_probe_resp(__le16 fc) 433 { 434 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 435 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 436 } 437 438 /** 439 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 440 * @fc: frame control bytes in little-endian byteorder 441 */ 442 static inline int ieee80211_is_beacon(__le16 fc) 443 { 444 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 445 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 446 } 447 448 /** 449 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 450 * @fc: frame control bytes in little-endian byteorder 451 */ 452 static inline int ieee80211_is_atim(__le16 fc) 453 { 454 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 455 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 456 } 457 458 /** 459 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 460 * @fc: frame control bytes in little-endian byteorder 461 */ 462 static inline int ieee80211_is_disassoc(__le16 fc) 463 { 464 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 465 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 466 } 467 468 /** 469 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 470 * @fc: frame control bytes in little-endian byteorder 471 */ 472 static inline int ieee80211_is_auth(__le16 fc) 473 { 474 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 475 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 476 } 477 478 /** 479 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 480 * @fc: frame control bytes in little-endian byteorder 481 */ 482 static inline int ieee80211_is_deauth(__le16 fc) 483 { 484 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 485 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 486 } 487 488 /** 489 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 490 * @fc: frame control bytes in little-endian byteorder 491 */ 492 static inline int ieee80211_is_action(__le16 fc) 493 { 494 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 495 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 496 } 497 498 /** 499 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 500 * @fc: frame control bytes in little-endian byteorder 501 */ 502 static inline int ieee80211_is_back_req(__le16 fc) 503 { 504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 505 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 506 } 507 508 /** 509 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 510 * @fc: frame control bytes in little-endian byteorder 511 */ 512 static inline int ieee80211_is_back(__le16 fc) 513 { 514 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 515 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 516 } 517 518 /** 519 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 520 * @fc: frame control bytes in little-endian byteorder 521 */ 522 static inline int ieee80211_is_pspoll(__le16 fc) 523 { 524 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 525 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 526 } 527 528 /** 529 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 530 * @fc: frame control bytes in little-endian byteorder 531 */ 532 static inline int ieee80211_is_rts(__le16 fc) 533 { 534 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 535 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 536 } 537 538 /** 539 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 540 * @fc: frame control bytes in little-endian byteorder 541 */ 542 static inline int ieee80211_is_cts(__le16 fc) 543 { 544 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 545 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 546 } 547 548 /** 549 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 550 * @fc: frame control bytes in little-endian byteorder 551 */ 552 static inline int ieee80211_is_ack(__le16 fc) 553 { 554 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 555 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 556 } 557 558 /** 559 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 560 * @fc: frame control bytes in little-endian byteorder 561 */ 562 static inline int ieee80211_is_cfend(__le16 fc) 563 { 564 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 565 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 566 } 567 568 /** 569 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 570 * @fc: frame control bytes in little-endian byteorder 571 */ 572 static inline int ieee80211_is_cfendack(__le16 fc) 573 { 574 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 575 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 576 } 577 578 /** 579 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 580 * @fc: frame control bytes in little-endian byteorder 581 */ 582 static inline int ieee80211_is_nullfunc(__le16 fc) 583 { 584 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 585 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 586 } 587 588 /** 589 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 590 * @fc: frame control bytes in little-endian byteorder 591 */ 592 static inline int ieee80211_is_qos_nullfunc(__le16 fc) 593 { 594 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 595 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 596 } 597 598 /** 599 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 600 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 601 */ 602 static inline int ieee80211_is_first_frag(__le16 seq_ctrl) 603 { 604 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 605 } 606 607 struct ieee80211s_hdr { 608 u8 flags; 609 u8 ttl; 610 __le32 seqnum; 611 u8 eaddr1[6]; 612 u8 eaddr2[6]; 613 } __packed __aligned(2); 614 615 /* Mesh flags */ 616 #define MESH_FLAGS_AE_A4 0x1 617 #define MESH_FLAGS_AE_A5_A6 0x2 618 #define MESH_FLAGS_AE 0x3 619 #define MESH_FLAGS_PS_DEEP 0x4 620 621 /** 622 * enum ieee80211_preq_flags - mesh PREQ element flags 623 * 624 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 625 */ 626 enum ieee80211_preq_flags { 627 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 628 }; 629 630 /** 631 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 632 * 633 * @IEEE80211_PREQ_TO_FLAG: target only subfield 634 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 635 */ 636 enum ieee80211_preq_target_flags { 637 IEEE80211_PREQ_TO_FLAG = 1<<0, 638 IEEE80211_PREQ_USN_FLAG = 1<<2, 639 }; 640 641 /** 642 * struct ieee80211_quiet_ie 643 * 644 * This structure refers to "Quiet information element" 645 */ 646 struct ieee80211_quiet_ie { 647 u8 count; 648 u8 period; 649 __le16 duration; 650 __le16 offset; 651 } __packed; 652 653 /** 654 * struct ieee80211_msrment_ie 655 * 656 * This structure refers to "Measurement Request/Report information element" 657 */ 658 struct ieee80211_msrment_ie { 659 u8 token; 660 u8 mode; 661 u8 type; 662 u8 request[0]; 663 } __packed; 664 665 /** 666 * struct ieee80211_channel_sw_ie 667 * 668 * This structure refers to "Channel Switch Announcement information element" 669 */ 670 struct ieee80211_channel_sw_ie { 671 u8 mode; 672 u8 new_ch_num; 673 u8 count; 674 } __packed; 675 676 /** 677 * struct ieee80211_ext_chansw_ie 678 * 679 * This structure represents the "Extended Channel Switch Announcement element" 680 */ 681 struct ieee80211_ext_chansw_ie { 682 u8 mode; 683 u8 new_operating_class; 684 u8 new_ch_num; 685 u8 count; 686 } __packed; 687 688 /** 689 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 690 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 691 * values here 692 * This structure represents the "Secondary Channel Offset element" 693 */ 694 struct ieee80211_sec_chan_offs_ie { 695 u8 sec_chan_offs; 696 } __packed; 697 698 /** 699 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 700 */ 701 struct ieee80211_wide_bw_chansw_ie { 702 u8 new_channel_width; 703 u8 new_center_freq_seg0, new_center_freq_seg1; 704 } __packed; 705 706 /** 707 * struct ieee80211_tim 708 * 709 * This structure refers to "Traffic Indication Map information element" 710 */ 711 struct ieee80211_tim_ie { 712 u8 dtim_count; 713 u8 dtim_period; 714 u8 bitmap_ctrl; 715 /* variable size: 1 - 251 bytes */ 716 u8 virtual_map[1]; 717 } __packed; 718 719 /** 720 * struct ieee80211_meshconf_ie 721 * 722 * This structure refers to "Mesh Configuration information element" 723 */ 724 struct ieee80211_meshconf_ie { 725 u8 meshconf_psel; 726 u8 meshconf_pmetric; 727 u8 meshconf_congest; 728 u8 meshconf_synch; 729 u8 meshconf_auth; 730 u8 meshconf_form; 731 u8 meshconf_cap; 732 } __packed; 733 734 /** 735 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 736 * 737 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 738 * additional mesh peerings with other mesh STAs 739 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 740 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 741 * is ongoing 742 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 743 * neighbors in deep sleep mode 744 */ 745 enum mesh_config_capab_flags { 746 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 747 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 748 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 749 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 750 }; 751 752 /** 753 * struct ieee80211_rann_ie 754 * 755 * This structure refers to "Root Announcement information element" 756 */ 757 struct ieee80211_rann_ie { 758 u8 rann_flags; 759 u8 rann_hopcount; 760 u8 rann_ttl; 761 u8 rann_addr[6]; 762 __le32 rann_seq; 763 __le32 rann_interval; 764 __le32 rann_metric; 765 } __packed; 766 767 enum ieee80211_rann_flags { 768 RANN_FLAG_IS_GATE = 1 << 0, 769 }; 770 771 enum ieee80211_ht_chanwidth_values { 772 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 773 IEEE80211_HT_CHANWIDTH_ANY = 1, 774 }; 775 776 /** 777 * enum ieee80211_opmode_bits - VHT operating mode field bits 778 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 779 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 780 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 781 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 782 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 783 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 784 * (the NSS value is the value of this field + 1) 785 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 786 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 787 * using a beamforming steering matrix 788 */ 789 enum ieee80211_vht_opmode_bits { 790 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 791 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 792 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 793 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 794 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 795 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 796 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 797 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 798 }; 799 800 #define WLAN_SA_QUERY_TR_ID_LEN 2 801 802 struct ieee80211_mgmt { 803 __le16 frame_control; 804 __le16 duration; 805 u8 da[6]; 806 u8 sa[6]; 807 u8 bssid[6]; 808 __le16 seq_ctrl; 809 union { 810 struct { 811 __le16 auth_alg; 812 __le16 auth_transaction; 813 __le16 status_code; 814 /* possibly followed by Challenge text */ 815 u8 variable[0]; 816 } __packed auth; 817 struct { 818 __le16 reason_code; 819 } __packed deauth; 820 struct { 821 __le16 capab_info; 822 __le16 listen_interval; 823 /* followed by SSID and Supported rates */ 824 u8 variable[0]; 825 } __packed assoc_req; 826 struct { 827 __le16 capab_info; 828 __le16 status_code; 829 __le16 aid; 830 /* followed by Supported rates */ 831 u8 variable[0]; 832 } __packed assoc_resp, reassoc_resp; 833 struct { 834 __le16 capab_info; 835 __le16 listen_interval; 836 u8 current_ap[6]; 837 /* followed by SSID and Supported rates */ 838 u8 variable[0]; 839 } __packed reassoc_req; 840 struct { 841 __le16 reason_code; 842 } __packed disassoc; 843 struct { 844 __le64 timestamp; 845 __le16 beacon_int; 846 __le16 capab_info; 847 /* followed by some of SSID, Supported rates, 848 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 849 u8 variable[0]; 850 } __packed beacon; 851 struct { 852 /* only variable items: SSID, Supported rates */ 853 u8 variable[0]; 854 } __packed probe_req; 855 struct { 856 __le64 timestamp; 857 __le16 beacon_int; 858 __le16 capab_info; 859 /* followed by some of SSID, Supported rates, 860 * FH Params, DS Params, CF Params, IBSS Params */ 861 u8 variable[0]; 862 } __packed probe_resp; 863 struct { 864 u8 category; 865 union { 866 struct { 867 u8 action_code; 868 u8 dialog_token; 869 u8 status_code; 870 u8 variable[0]; 871 } __packed wme_action; 872 struct{ 873 u8 action_code; 874 u8 variable[0]; 875 } __packed chan_switch; 876 struct{ 877 u8 action_code; 878 struct ieee80211_ext_chansw_ie data; 879 u8 variable[0]; 880 } __packed ext_chan_switch; 881 struct{ 882 u8 action_code; 883 u8 dialog_token; 884 u8 element_id; 885 u8 length; 886 struct ieee80211_msrment_ie msr_elem; 887 } __packed measurement; 888 struct{ 889 u8 action_code; 890 u8 dialog_token; 891 __le16 capab; 892 __le16 timeout; 893 __le16 start_seq_num; 894 } __packed addba_req; 895 struct{ 896 u8 action_code; 897 u8 dialog_token; 898 __le16 status; 899 __le16 capab; 900 __le16 timeout; 901 } __packed addba_resp; 902 struct{ 903 u8 action_code; 904 __le16 params; 905 __le16 reason_code; 906 } __packed delba; 907 struct { 908 u8 action_code; 909 u8 variable[0]; 910 } __packed self_prot; 911 struct{ 912 u8 action_code; 913 u8 variable[0]; 914 } __packed mesh_action; 915 struct { 916 u8 action; 917 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 918 } __packed sa_query; 919 struct { 920 u8 action; 921 u8 smps_control; 922 } __packed ht_smps; 923 struct { 924 u8 action_code; 925 u8 chanwidth; 926 } __packed ht_notify_cw; 927 struct { 928 u8 action_code; 929 u8 dialog_token; 930 __le16 capability; 931 u8 variable[0]; 932 } __packed tdls_discover_resp; 933 struct { 934 u8 action_code; 935 u8 operating_mode; 936 } __packed vht_opmode_notif; 937 } u; 938 } __packed action; 939 } u; 940 } __packed __aligned(2); 941 942 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ 943 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 944 945 /* mgmt header + 1 byte category code */ 946 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 947 948 949 /* Management MIC information element (IEEE 802.11w) */ 950 struct ieee80211_mmie { 951 u8 element_id; 952 u8 length; 953 __le16 key_id; 954 u8 sequence_number[6]; 955 u8 mic[8]; 956 } __packed; 957 958 struct ieee80211_vendor_ie { 959 u8 element_id; 960 u8 len; 961 u8 oui[3]; 962 u8 oui_type; 963 } __packed; 964 965 /* Control frames */ 966 struct ieee80211_rts { 967 __le16 frame_control; 968 __le16 duration; 969 u8 ra[6]; 970 u8 ta[6]; 971 } __packed __aligned(2); 972 973 struct ieee80211_cts { 974 __le16 frame_control; 975 __le16 duration; 976 u8 ra[6]; 977 } __packed __aligned(2); 978 979 struct ieee80211_pspoll { 980 __le16 frame_control; 981 __le16 aid; 982 u8 bssid[6]; 983 u8 ta[6]; 984 } __packed __aligned(2); 985 986 /* TDLS */ 987 988 /* Link-id information element */ 989 struct ieee80211_tdls_lnkie { 990 u8 ie_type; /* Link Identifier IE */ 991 u8 ie_len; 992 u8 bssid[6]; 993 u8 init_sta[6]; 994 u8 resp_sta[6]; 995 } __packed; 996 997 struct ieee80211_tdls_data { 998 u8 da[6]; 999 u8 sa[6]; 1000 __be16 ether_type; 1001 u8 payload_type; 1002 u8 category; 1003 u8 action_code; 1004 union { 1005 struct { 1006 u8 dialog_token; 1007 __le16 capability; 1008 u8 variable[0]; 1009 } __packed setup_req; 1010 struct { 1011 __le16 status_code; 1012 u8 dialog_token; 1013 __le16 capability; 1014 u8 variable[0]; 1015 } __packed setup_resp; 1016 struct { 1017 __le16 status_code; 1018 u8 dialog_token; 1019 u8 variable[0]; 1020 } __packed setup_cfm; 1021 struct { 1022 __le16 reason_code; 1023 u8 variable[0]; 1024 } __packed teardown; 1025 struct { 1026 u8 dialog_token; 1027 u8 variable[0]; 1028 } __packed discover_req; 1029 } u; 1030 } __packed; 1031 1032 /* 1033 * Peer-to-Peer IE attribute related definitions. 1034 */ 1035 /** 1036 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1037 */ 1038 enum ieee80211_p2p_attr_id { 1039 IEEE80211_P2P_ATTR_STATUS = 0, 1040 IEEE80211_P2P_ATTR_MINOR_REASON, 1041 IEEE80211_P2P_ATTR_CAPABILITY, 1042 IEEE80211_P2P_ATTR_DEVICE_ID, 1043 IEEE80211_P2P_ATTR_GO_INTENT, 1044 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1045 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1046 IEEE80211_P2P_ATTR_GROUP_BSSID, 1047 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1048 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1049 IEEE80211_P2P_ATTR_MANAGABILITY, 1050 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1051 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1052 IEEE80211_P2P_ATTR_DEVICE_INFO, 1053 IEEE80211_P2P_ATTR_GROUP_INFO, 1054 IEEE80211_P2P_ATTR_GROUP_ID, 1055 IEEE80211_P2P_ATTR_INTERFACE, 1056 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1057 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1058 /* 19 - 220: Reserved */ 1059 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1060 1061 IEEE80211_P2P_ATTR_MAX 1062 }; 1063 1064 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1065 /* Typical max value used here */ 1066 #define IEEE80211_P2P_NOA_DESC_MAX 4 1067 1068 struct ieee80211_p2p_noa_desc { 1069 u8 count; 1070 __le32 duration; 1071 __le32 interval; 1072 __le32 start_time; 1073 } __packed; 1074 1075 struct ieee80211_p2p_noa_attr { 1076 u8 index; 1077 u8 oppps_ctwindow; 1078 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1079 } __packed; 1080 1081 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1082 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1083 1084 /** 1085 * struct ieee80211_bar - HT Block Ack Request 1086 * 1087 * This structure refers to "HT BlockAckReq" as 1088 * described in 802.11n draft section 7.2.1.7.1 1089 */ 1090 struct ieee80211_bar { 1091 __le16 frame_control; 1092 __le16 duration; 1093 __u8 ra[6]; 1094 __u8 ta[6]; 1095 __le16 control; 1096 __le16 start_seq_num; 1097 } __packed; 1098 1099 /* 802.11 BAR control masks */ 1100 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1101 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1102 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1103 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1104 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1105 1106 #define IEEE80211_HT_MCS_MASK_LEN 10 1107 1108 /** 1109 * struct ieee80211_mcs_info - MCS information 1110 * @rx_mask: RX mask 1111 * @rx_highest: highest supported RX rate. If set represents 1112 * the highest supported RX data rate in units of 1 Mbps. 1113 * If this field is 0 this value should not be used to 1114 * consider the highest RX data rate supported. 1115 * @tx_params: TX parameters 1116 */ 1117 struct ieee80211_mcs_info { 1118 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1119 __le16 rx_highest; 1120 u8 tx_params; 1121 u8 reserved[3]; 1122 } __packed; 1123 1124 /* 802.11n HT capability MSC set */ 1125 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1126 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1127 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1128 /* value 0 == 1 stream etc */ 1129 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1130 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1131 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1132 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1133 1134 /* 1135 * 802.11n D5.0 20.3.5 / 20.6 says: 1136 * - indices 0 to 7 and 32 are single spatial stream 1137 * - 8 to 31 are multiple spatial streams using equal modulation 1138 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1139 * - remainder are multiple spatial streams using unequal modulation 1140 */ 1141 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1142 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1143 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1144 1145 /** 1146 * struct ieee80211_ht_cap - HT capabilities 1147 * 1148 * This structure is the "HT capabilities element" as 1149 * described in 802.11n D5.0 7.3.2.57 1150 */ 1151 struct ieee80211_ht_cap { 1152 __le16 cap_info; 1153 u8 ampdu_params_info; 1154 1155 /* 16 bytes MCS information */ 1156 struct ieee80211_mcs_info mcs; 1157 1158 __le16 extended_ht_cap_info; 1159 __le32 tx_BF_cap_info; 1160 u8 antenna_selection_info; 1161 } __packed; 1162 1163 /* 802.11n HT capabilities masks (for cap_info) */ 1164 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1165 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1166 #define IEEE80211_HT_CAP_SM_PS 0x000C 1167 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1168 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1169 #define IEEE80211_HT_CAP_SGI_20 0x0020 1170 #define IEEE80211_HT_CAP_SGI_40 0x0040 1171 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1172 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1173 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1174 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1175 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1176 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1177 #define IEEE80211_HT_CAP_RESERVED 0x2000 1178 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1179 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1180 1181 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1182 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1183 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1184 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1185 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1186 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1187 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1188 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1189 1190 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1191 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1192 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1193 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1194 1195 /* 1196 * Maximum length of AMPDU that the STA can receive. 1197 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1198 */ 1199 enum ieee80211_max_ampdu_length_exp { 1200 IEEE80211_HT_MAX_AMPDU_8K = 0, 1201 IEEE80211_HT_MAX_AMPDU_16K = 1, 1202 IEEE80211_HT_MAX_AMPDU_32K = 2, 1203 IEEE80211_HT_MAX_AMPDU_64K = 3 1204 }; 1205 1206 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1207 1208 /* Minimum MPDU start spacing */ 1209 enum ieee80211_min_mpdu_spacing { 1210 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1211 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1212 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1213 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1214 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1215 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1216 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1217 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1218 }; 1219 1220 /** 1221 * struct ieee80211_ht_operation - HT operation IE 1222 * 1223 * This structure is the "HT operation element" as 1224 * described in 802.11n-2009 7.3.2.57 1225 */ 1226 struct ieee80211_ht_operation { 1227 u8 primary_chan; 1228 u8 ht_param; 1229 __le16 operation_mode; 1230 __le16 stbc_param; 1231 u8 basic_set[16]; 1232 } __packed; 1233 1234 /* for ht_param */ 1235 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1236 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1237 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1238 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1239 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1240 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1241 1242 /* for operation_mode */ 1243 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1244 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1245 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1246 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1247 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1248 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1249 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1250 1251 /* for stbc_param */ 1252 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1253 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1254 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1255 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1256 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1257 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1258 1259 1260 /* block-ack parameters */ 1261 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1262 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1263 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1264 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1265 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1266 1267 /* 1268 * A-PMDU buffer sizes 1269 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1270 */ 1271 #define IEEE80211_MIN_AMPDU_BUF 0x8 1272 #define IEEE80211_MAX_AMPDU_BUF 0x40 1273 1274 1275 /* Spatial Multiplexing Power Save Modes (for capability) */ 1276 #define WLAN_HT_CAP_SM_PS_STATIC 0 1277 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1278 #define WLAN_HT_CAP_SM_PS_INVALID 2 1279 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1280 1281 /* for SM power control field lower two bits */ 1282 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1283 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1284 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1285 1286 /** 1287 * struct ieee80211_vht_mcs_info - VHT MCS information 1288 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1289 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1290 * STA can receive. Rate expressed in units of 1 Mbps. 1291 * If this field is 0 this value should not be used to 1292 * consider the highest RX data rate supported. 1293 * The top 3 bits of this field are reserved. 1294 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1295 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1296 * STA can transmit. Rate expressed in units of 1 Mbps. 1297 * If this field is 0 this value should not be used to 1298 * consider the highest TX data rate supported. 1299 * The top 3 bits of this field are reserved. 1300 */ 1301 struct ieee80211_vht_mcs_info { 1302 __le16 rx_mcs_map; 1303 __le16 rx_highest; 1304 __le16 tx_mcs_map; 1305 __le16 tx_highest; 1306 } __packed; 1307 1308 /** 1309 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1310 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1311 * number of streams 1312 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1313 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1314 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1315 * 1316 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1317 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1318 * both split into 8 subfields by number of streams. These values indicate 1319 * which MCSes are supported for the number of streams the value appears 1320 * for. 1321 */ 1322 enum ieee80211_vht_mcs_support { 1323 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1324 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1325 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1326 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1327 }; 1328 1329 /** 1330 * struct ieee80211_vht_cap - VHT capabilities 1331 * 1332 * This structure is the "VHT capabilities element" as 1333 * described in 802.11ac D3.0 8.4.2.160 1334 * @vht_cap_info: VHT capability info 1335 * @supp_mcs: VHT MCS supported rates 1336 */ 1337 struct ieee80211_vht_cap { 1338 __le32 vht_cap_info; 1339 struct ieee80211_vht_mcs_info supp_mcs; 1340 } __packed; 1341 1342 /** 1343 * enum ieee80211_vht_chanwidth - VHT channel width 1344 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1345 * determine the channel width (20 or 40 MHz) 1346 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1347 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1348 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1349 */ 1350 enum ieee80211_vht_chanwidth { 1351 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1352 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1353 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1354 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1355 }; 1356 1357 /** 1358 * struct ieee80211_vht_operation - VHT operation IE 1359 * 1360 * This structure is the "VHT operation element" as 1361 * described in 802.11ac D3.0 8.4.2.161 1362 * @chan_width: Operating channel width 1363 * @center_freq_seg1_idx: center freq segment 1 index 1364 * @center_freq_seg2_idx: center freq segment 2 index 1365 * @basic_mcs_set: VHT Basic MCS rate set 1366 */ 1367 struct ieee80211_vht_operation { 1368 u8 chan_width; 1369 u8 center_freq_seg1_idx; 1370 u8 center_freq_seg2_idx; 1371 __le16 basic_mcs_set; 1372 } __packed; 1373 1374 1375 /* 802.11ac VHT Capabilities */ 1376 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1377 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1378 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1379 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1380 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1381 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1382 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1383 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1384 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1385 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1386 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1387 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1388 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1389 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1390 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1391 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1392 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1393 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000 1394 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000 1395 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1396 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1397 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1398 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1399 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1400 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1401 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1402 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1403 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1404 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1405 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1406 1407 /* Authentication algorithms */ 1408 #define WLAN_AUTH_OPEN 0 1409 #define WLAN_AUTH_SHARED_KEY 1 1410 #define WLAN_AUTH_FT 2 1411 #define WLAN_AUTH_SAE 3 1412 #define WLAN_AUTH_LEAP 128 1413 1414 #define WLAN_AUTH_CHALLENGE_LEN 128 1415 1416 #define WLAN_CAPABILITY_ESS (1<<0) 1417 #define WLAN_CAPABILITY_IBSS (1<<1) 1418 1419 /* 1420 * A mesh STA sets the ESS and IBSS capability bits to zero. 1421 * however, this holds true for p2p probe responses (in the p2p_find 1422 * phase) as well. 1423 */ 1424 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1425 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1426 1427 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1428 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1429 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1430 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1431 #define WLAN_CAPABILITY_PBCC (1<<6) 1432 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1433 1434 /* 802.11h */ 1435 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1436 #define WLAN_CAPABILITY_QOS (1<<9) 1437 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1438 #define WLAN_CAPABILITY_APSD (1<<11) 1439 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1440 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1441 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1442 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1443 1444 /* DMG (60gHz) 802.11ad */ 1445 /* type - bits 0..1 */ 1446 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1447 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1448 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1449 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1450 1451 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1452 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1453 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1454 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1455 1456 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1457 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1458 1459 /* measurement */ 1460 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1461 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1462 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1463 1464 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1465 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1466 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1467 1468 /* 802.11g ERP information element */ 1469 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1470 #define WLAN_ERP_USE_PROTECTION (1<<1) 1471 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1472 1473 /* WLAN_ERP_BARKER_PREAMBLE values */ 1474 enum { 1475 WLAN_ERP_PREAMBLE_SHORT = 0, 1476 WLAN_ERP_PREAMBLE_LONG = 1, 1477 }; 1478 1479 /* Band ID, 802.11ad #8.4.1.45 */ 1480 enum { 1481 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1482 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1483 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1484 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1485 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1486 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1487 }; 1488 1489 /* Status codes */ 1490 enum ieee80211_statuscode { 1491 WLAN_STATUS_SUCCESS = 0, 1492 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1493 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1494 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1495 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1496 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1497 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1498 WLAN_STATUS_CHALLENGE_FAIL = 15, 1499 WLAN_STATUS_AUTH_TIMEOUT = 16, 1500 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1501 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1502 /* 802.11b */ 1503 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1504 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1505 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1506 /* 802.11h */ 1507 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1508 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1509 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1510 /* 802.11g */ 1511 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1512 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1513 /* 802.11w */ 1514 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1515 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1516 /* 802.11i */ 1517 WLAN_STATUS_INVALID_IE = 40, 1518 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1519 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1520 WLAN_STATUS_INVALID_AKMP = 43, 1521 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1522 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1523 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1524 /* 802.11e */ 1525 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1526 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1527 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1528 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1529 WLAN_STATUS_REQUEST_DECLINED = 37, 1530 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1531 WLAN_STATUS_CHANGE_TSPEC = 39, 1532 WLAN_STATUS_WAIT_TS_DELAY = 47, 1533 WLAN_STATUS_NO_DIRECT_LINK = 48, 1534 WLAN_STATUS_STA_NOT_PRESENT = 49, 1535 WLAN_STATUS_STA_NOT_QSTA = 50, 1536 /* 802.11s */ 1537 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1538 WLAN_STATUS_FCG_NOT_SUPP = 78, 1539 WLAN_STATUS_STA_NO_TBTT = 78, 1540 /* 802.11ad */ 1541 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1542 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1543 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1544 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1545 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1546 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1547 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1548 WLAN_STATUS_REJECT_DSE_BAND = 96, 1549 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1550 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1551 }; 1552 1553 1554 /* Reason codes */ 1555 enum ieee80211_reasoncode { 1556 WLAN_REASON_UNSPECIFIED = 1, 1557 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1558 WLAN_REASON_DEAUTH_LEAVING = 3, 1559 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1560 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1561 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1562 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1563 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1564 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1565 /* 802.11h */ 1566 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1567 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1568 /* 802.11i */ 1569 WLAN_REASON_INVALID_IE = 13, 1570 WLAN_REASON_MIC_FAILURE = 14, 1571 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1572 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1573 WLAN_REASON_IE_DIFFERENT = 17, 1574 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1575 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1576 WLAN_REASON_INVALID_AKMP = 20, 1577 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1578 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1579 WLAN_REASON_IEEE8021X_FAILED = 23, 1580 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1581 /* 802.11e */ 1582 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1583 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1584 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1585 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1586 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1587 WLAN_REASON_QSTA_NOT_USE = 37, 1588 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1589 WLAN_REASON_QSTA_TIMEOUT = 39, 1590 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1591 /* 802.11s */ 1592 WLAN_REASON_MESH_PEER_CANCELED = 52, 1593 WLAN_REASON_MESH_MAX_PEERS = 53, 1594 WLAN_REASON_MESH_CONFIG = 54, 1595 WLAN_REASON_MESH_CLOSE = 55, 1596 WLAN_REASON_MESH_MAX_RETRIES = 56, 1597 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1598 WLAN_REASON_MESH_INVALID_GTK = 58, 1599 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1600 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1601 WLAN_REASON_MESH_PATH_ERROR = 61, 1602 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1603 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1604 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1605 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1606 WLAN_REASON_MESH_CHAN = 66, 1607 }; 1608 1609 1610 /* Information Element IDs */ 1611 enum ieee80211_eid { 1612 WLAN_EID_SSID = 0, 1613 WLAN_EID_SUPP_RATES = 1, 1614 WLAN_EID_FH_PARAMS = 2, 1615 WLAN_EID_DS_PARAMS = 3, 1616 WLAN_EID_CF_PARAMS = 4, 1617 WLAN_EID_TIM = 5, 1618 WLAN_EID_IBSS_PARAMS = 6, 1619 WLAN_EID_CHALLENGE = 16, 1620 1621 WLAN_EID_COUNTRY = 7, 1622 WLAN_EID_HP_PARAMS = 8, 1623 WLAN_EID_HP_TABLE = 9, 1624 WLAN_EID_REQUEST = 10, 1625 1626 WLAN_EID_QBSS_LOAD = 11, 1627 WLAN_EID_EDCA_PARAM_SET = 12, 1628 WLAN_EID_TSPEC = 13, 1629 WLAN_EID_TCLAS = 14, 1630 WLAN_EID_SCHEDULE = 15, 1631 WLAN_EID_TS_DELAY = 43, 1632 WLAN_EID_TCLAS_PROCESSING = 44, 1633 WLAN_EID_QOS_CAPA = 46, 1634 /* 802.11z */ 1635 WLAN_EID_LINK_ID = 101, 1636 /* 802.11s */ 1637 WLAN_EID_MESH_CONFIG = 113, 1638 WLAN_EID_MESH_ID = 114, 1639 WLAN_EID_LINK_METRIC_REPORT = 115, 1640 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1641 WLAN_EID_PEER_MGMT = 117, 1642 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1643 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1644 WLAN_EID_BEACON_TIMING = 120, 1645 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1646 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1647 WLAN_EID_MCCAOP_ADVERT = 123, 1648 WLAN_EID_MCCAOP_TEARDOWN = 124, 1649 WLAN_EID_GANN = 125, 1650 WLAN_EID_RANN = 126, 1651 WLAN_EID_PREQ = 130, 1652 WLAN_EID_PREP = 131, 1653 WLAN_EID_PERR = 132, 1654 WLAN_EID_PXU = 137, 1655 WLAN_EID_PXUC = 138, 1656 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1657 WLAN_EID_MIC = 140, 1658 1659 WLAN_EID_PWR_CONSTRAINT = 32, 1660 WLAN_EID_PWR_CAPABILITY = 33, 1661 WLAN_EID_TPC_REQUEST = 34, 1662 WLAN_EID_TPC_REPORT = 35, 1663 WLAN_EID_SUPPORTED_CHANNELS = 36, 1664 WLAN_EID_CHANNEL_SWITCH = 37, 1665 WLAN_EID_MEASURE_REQUEST = 38, 1666 WLAN_EID_MEASURE_REPORT = 39, 1667 WLAN_EID_QUIET = 40, 1668 WLAN_EID_IBSS_DFS = 41, 1669 1670 WLAN_EID_ERP_INFO = 42, 1671 WLAN_EID_EXT_SUPP_RATES = 50, 1672 1673 WLAN_EID_HT_CAPABILITY = 45, 1674 WLAN_EID_HT_OPERATION = 61, 1675 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 1676 1677 WLAN_EID_RSN = 48, 1678 WLAN_EID_MMIE = 76, 1679 WLAN_EID_VENDOR_SPECIFIC = 221, 1680 WLAN_EID_QOS_PARAMETER = 222, 1681 1682 WLAN_EID_AP_CHAN_REPORT = 51, 1683 WLAN_EID_NEIGHBOR_REPORT = 52, 1684 WLAN_EID_RCPI = 53, 1685 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1686 WLAN_EID_ANTENNA_INFO = 64, 1687 WLAN_EID_RSNI = 65, 1688 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1689 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1690 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1691 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1692 WLAN_EID_MULTIPLE_BSSID = 71, 1693 WLAN_EID_BSS_COEX_2040 = 72, 1694 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1695 WLAN_EID_EXT_CAPABILITY = 127, 1696 1697 WLAN_EID_MOBILITY_DOMAIN = 54, 1698 WLAN_EID_FAST_BSS_TRANSITION = 55, 1699 WLAN_EID_TIMEOUT_INTERVAL = 56, 1700 WLAN_EID_RIC_DATA = 57, 1701 WLAN_EID_RIC_DESCRIPTOR = 75, 1702 1703 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1704 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1705 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1706 1707 WLAN_EID_VHT_CAPABILITY = 191, 1708 WLAN_EID_VHT_OPERATION = 192, 1709 WLAN_EID_OPMODE_NOTIF = 199, 1710 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 1711 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 1712 1713 /* 802.11ad */ 1714 WLAN_EID_NON_TX_BSSID_CAP = 83, 1715 WLAN_EID_WAKEUP_SCHEDULE = 143, 1716 WLAN_EID_EXT_SCHEDULE = 144, 1717 WLAN_EID_STA_AVAILABILITY = 145, 1718 WLAN_EID_DMG_TSPEC = 146, 1719 WLAN_EID_DMG_AT = 147, 1720 WLAN_EID_DMG_CAP = 148, 1721 WLAN_EID_DMG_OPERATION = 151, 1722 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1723 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1724 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1725 WLAN_EID_AWAKE_WINDOW = 157, 1726 WLAN_EID_MULTI_BAND = 158, 1727 WLAN_EID_ADDBA_EXT = 159, 1728 WLAN_EID_NEXT_PCP_LIST = 160, 1729 WLAN_EID_PCP_HANDOVER = 161, 1730 WLAN_EID_DMG_LINK_MARGIN = 162, 1731 WLAN_EID_SWITCHING_STREAM = 163, 1732 WLAN_EID_SESSION_TRANSITION = 164, 1733 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1734 WLAN_EID_CLUSTER_REPORT = 166, 1735 WLAN_EID_RELAY_CAP = 167, 1736 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1737 WLAN_EID_BEAM_LINK_MAINT = 169, 1738 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1739 WLAN_EID_U_PID = 171, 1740 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1741 WLAN_EID_QUIET_PERIOD_REQ = 175, 1742 WLAN_EID_QUIET_PERIOD_RESP = 177, 1743 WLAN_EID_EPAC_POLICY = 182, 1744 WLAN_EID_CLISTER_TIME_OFF = 183, 1745 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1746 }; 1747 1748 /* Action category code */ 1749 enum ieee80211_category { 1750 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 1751 WLAN_CATEGORY_QOS = 1, 1752 WLAN_CATEGORY_DLS = 2, 1753 WLAN_CATEGORY_BACK = 3, 1754 WLAN_CATEGORY_PUBLIC = 4, 1755 WLAN_CATEGORY_HT = 7, 1756 WLAN_CATEGORY_SA_QUERY = 8, 1757 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 1758 WLAN_CATEGORY_TDLS = 12, 1759 WLAN_CATEGORY_MESH_ACTION = 13, 1760 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 1761 WLAN_CATEGORY_SELF_PROTECTED = 15, 1762 WLAN_CATEGORY_DMG = 16, 1763 WLAN_CATEGORY_WMM = 17, 1764 WLAN_CATEGORY_FST = 18, 1765 WLAN_CATEGORY_UNPROT_DMG = 20, 1766 WLAN_CATEGORY_VHT = 21, 1767 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 1768 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 1769 }; 1770 1771 /* SPECTRUM_MGMT action code */ 1772 enum ieee80211_spectrum_mgmt_actioncode { 1773 WLAN_ACTION_SPCT_MSR_REQ = 0, 1774 WLAN_ACTION_SPCT_MSR_RPRT = 1, 1775 WLAN_ACTION_SPCT_TPC_REQ = 2, 1776 WLAN_ACTION_SPCT_TPC_RPRT = 3, 1777 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 1778 }; 1779 1780 /* HT action codes */ 1781 enum ieee80211_ht_actioncode { 1782 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 1783 WLAN_HT_ACTION_SMPS = 1, 1784 WLAN_HT_ACTION_PSMP = 2, 1785 WLAN_HT_ACTION_PCO_PHASE = 3, 1786 WLAN_HT_ACTION_CSI = 4, 1787 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 1788 WLAN_HT_ACTION_COMPRESSED_BF = 6, 1789 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 1790 }; 1791 1792 /* VHT action codes */ 1793 enum ieee80211_vht_actioncode { 1794 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 1795 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 1796 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 1797 }; 1798 1799 /* Self Protected Action codes */ 1800 enum ieee80211_self_protected_actioncode { 1801 WLAN_SP_RESERVED = 0, 1802 WLAN_SP_MESH_PEERING_OPEN = 1, 1803 WLAN_SP_MESH_PEERING_CONFIRM = 2, 1804 WLAN_SP_MESH_PEERING_CLOSE = 3, 1805 WLAN_SP_MGK_INFORM = 4, 1806 WLAN_SP_MGK_ACK = 5, 1807 }; 1808 1809 /* Mesh action codes */ 1810 enum ieee80211_mesh_actioncode { 1811 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 1812 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 1813 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 1814 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 1815 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 1816 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 1817 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 1818 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 1819 WLAN_MESH_ACTION_MCCA_TEARDOWN, 1820 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 1821 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 1822 }; 1823 1824 /* Security key length */ 1825 enum ieee80211_key_len { 1826 WLAN_KEY_LEN_WEP40 = 5, 1827 WLAN_KEY_LEN_WEP104 = 13, 1828 WLAN_KEY_LEN_CCMP = 16, 1829 WLAN_KEY_LEN_TKIP = 32, 1830 WLAN_KEY_LEN_AES_CMAC = 16, 1831 }; 1832 1833 #define IEEE80211_WEP_IV_LEN 4 1834 #define IEEE80211_WEP_ICV_LEN 4 1835 #define IEEE80211_CCMP_HDR_LEN 8 1836 #define IEEE80211_CCMP_MIC_LEN 8 1837 #define IEEE80211_CCMP_PN_LEN 6 1838 #define IEEE80211_TKIP_IV_LEN 8 1839 #define IEEE80211_TKIP_ICV_LEN 4 1840 #define IEEE80211_CMAC_PN_LEN 6 1841 1842 /* Public action codes */ 1843 enum ieee80211_pub_actioncode { 1844 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 1845 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 1846 }; 1847 1848 /* TDLS action codes */ 1849 enum ieee80211_tdls_actioncode { 1850 WLAN_TDLS_SETUP_REQUEST = 0, 1851 WLAN_TDLS_SETUP_RESPONSE = 1, 1852 WLAN_TDLS_SETUP_CONFIRM = 2, 1853 WLAN_TDLS_TEARDOWN = 3, 1854 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 1855 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 1856 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 1857 WLAN_TDLS_PEER_PSM_REQUEST = 7, 1858 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 1859 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 1860 WLAN_TDLS_DISCOVERY_REQUEST = 10, 1861 }; 1862 1863 /* 1864 * TDLS capabililites to be enabled in the 5th byte of the 1865 * @WLAN_EID_EXT_CAPABILITY information element 1866 */ 1867 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 1868 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 1869 1870 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 1871 1872 /* TDLS specific payload type in the LLC/SNAP header */ 1873 #define WLAN_TDLS_SNAP_RFTYPE 0x2 1874 1875 /** 1876 * enum - mesh synchronization method identifier 1877 * 1878 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 1879 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 1880 * that will be specified in a vendor specific information element 1881 */ 1882 enum { 1883 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 1884 IEEE80211_SYNC_METHOD_VENDOR = 255, 1885 }; 1886 1887 /** 1888 * enum - mesh path selection protocol identifier 1889 * 1890 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 1891 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 1892 * be specified in a vendor specific information element 1893 */ 1894 enum { 1895 IEEE80211_PATH_PROTOCOL_HWMP = 1, 1896 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 1897 }; 1898 1899 /** 1900 * enum - mesh path selection metric identifier 1901 * 1902 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 1903 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 1904 * specified in a vendor specific information element 1905 */ 1906 enum { 1907 IEEE80211_PATH_METRIC_AIRTIME = 1, 1908 IEEE80211_PATH_METRIC_VENDOR = 255, 1909 }; 1910 1911 /** 1912 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 1913 * 1914 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 1915 * 1916 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 1917 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 1918 * this value 1919 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 1920 * the proactive PREQ with proactive PREP subfield set to 0 1921 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 1922 * supports the proactive PREQ with proactive PREP subfield set to 1 1923 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 1924 * the proactive RANN 1925 */ 1926 enum ieee80211_root_mode_identifier { 1927 IEEE80211_ROOTMODE_NO_ROOT = 0, 1928 IEEE80211_ROOTMODE_ROOT = 1, 1929 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 1930 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 1931 IEEE80211_PROACTIVE_RANN = 4, 1932 }; 1933 1934 /* 1935 * IEEE 802.11-2007 7.3.2.9 Country information element 1936 * 1937 * Minimum length is 8 octets, ie len must be evenly 1938 * divisible by 2 1939 */ 1940 1941 /* Although the spec says 8 I'm seeing 6 in practice */ 1942 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 1943 1944 /* The Country String field of the element shall be 3 octets in length */ 1945 #define IEEE80211_COUNTRY_STRING_LEN 3 1946 1947 /* 1948 * For regulatory extension stuff see IEEE 802.11-2007 1949 * Annex I (page 1141) and Annex J (page 1147). Also 1950 * review 7.3.2.9. 1951 * 1952 * When dot11RegulatoryClassesRequired is true and the 1953 * first_channel/reg_extension_id is >= 201 then the IE 1954 * compromises of the 'ext' struct represented below: 1955 * 1956 * - Regulatory extension ID - when generating IE this just needs 1957 * to be monotonically increasing for each triplet passed in 1958 * the IE 1959 * - Regulatory class - index into set of rules 1960 * - Coverage class - index into air propagation time (Table 7-27), 1961 * in microseconds, you can compute the air propagation time from 1962 * the index by multiplying by 3, so index 10 yields a propagation 1963 * of 10 us. Valid values are 0-31, values 32-255 are not defined 1964 * yet. A value of 0 inicates air propagation of <= 1 us. 1965 * 1966 * See also Table I.2 for Emission limit sets and table 1967 * I.3 for Behavior limit sets. Table J.1 indicates how to map 1968 * a reg_class to an emission limit set and behavior limit set. 1969 */ 1970 #define IEEE80211_COUNTRY_EXTENSION_ID 201 1971 1972 /* 1973 * Channels numbers in the IE must be monotonically increasing 1974 * if dot11RegulatoryClassesRequired is not true. 1975 * 1976 * If dot11RegulatoryClassesRequired is true consecutive 1977 * subband triplets following a regulatory triplet shall 1978 * have monotonically increasing first_channel number fields. 1979 * 1980 * Channel numbers shall not overlap. 1981 * 1982 * Note that max_power is signed. 1983 */ 1984 struct ieee80211_country_ie_triplet { 1985 union { 1986 struct { 1987 u8 first_channel; 1988 u8 num_channels; 1989 s8 max_power; 1990 } __packed chans; 1991 struct { 1992 u8 reg_extension_id; 1993 u8 reg_class; 1994 u8 coverage_class; 1995 } __packed ext; 1996 }; 1997 } __packed; 1998 1999 enum ieee80211_timeout_interval_type { 2000 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2001 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2002 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2003 }; 2004 2005 /** 2006 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2007 * @type: type, see &enum ieee80211_timeout_interval_type 2008 * @value: timeout interval value 2009 */ 2010 struct ieee80211_timeout_interval_ie { 2011 u8 type; 2012 __le32 value; 2013 } __packed; 2014 2015 /* BACK action code */ 2016 enum ieee80211_back_actioncode { 2017 WLAN_ACTION_ADDBA_REQ = 0, 2018 WLAN_ACTION_ADDBA_RESP = 1, 2019 WLAN_ACTION_DELBA = 2, 2020 }; 2021 2022 /* BACK (block-ack) parties */ 2023 enum ieee80211_back_parties { 2024 WLAN_BACK_RECIPIENT = 0, 2025 WLAN_BACK_INITIATOR = 1, 2026 }; 2027 2028 /* SA Query action */ 2029 enum ieee80211_sa_query_action { 2030 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2031 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2032 }; 2033 2034 2035 /* cipher suite selectors */ 2036 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 2037 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 2038 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 2039 /* reserved: 0x000FAC03 */ 2040 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 2041 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 2042 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 2043 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 2044 2045 #define WLAN_CIPHER_SUITE_SMS4 0x00147201 2046 2047 /* AKM suite selectors */ 2048 #define WLAN_AKM_SUITE_8021X 0x000FAC01 2049 #define WLAN_AKM_SUITE_PSK 0x000FAC02 2050 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 2051 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 2052 #define WLAN_AKM_SUITE_TDLS 0x000FAC07 2053 #define WLAN_AKM_SUITE_SAE 0x000FAC08 2054 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 2055 2056 #define WLAN_MAX_KEY_LEN 32 2057 2058 #define WLAN_PMKID_LEN 16 2059 2060 #define WLAN_OUI_WFA 0x506f9a 2061 #define WLAN_OUI_TYPE_WFA_P2P 9 2062 #define WLAN_OUI_MICROSOFT 0x0050f2 2063 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2064 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2065 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2066 2067 /* 2068 * WMM/802.11e Tspec Element 2069 */ 2070 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2071 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2072 2073 enum ieee80211_tspec_status_code { 2074 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2075 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2076 }; 2077 2078 struct ieee80211_tspec_ie { 2079 u8 element_id; 2080 u8 len; 2081 u8 oui[3]; 2082 u8 oui_type; 2083 u8 oui_subtype; 2084 u8 version; 2085 __le16 tsinfo; 2086 u8 tsinfo_resvd; 2087 __le16 nominal_msdu; 2088 __le16 max_msdu; 2089 __le32 min_service_int; 2090 __le32 max_service_int; 2091 __le32 inactivity_int; 2092 __le32 suspension_int; 2093 __le32 service_start_time; 2094 __le32 min_data_rate; 2095 __le32 mean_data_rate; 2096 __le32 peak_data_rate; 2097 __le32 max_burst_size; 2098 __le32 delay_bound; 2099 __le32 min_phy_rate; 2100 __le16 sba; 2101 __le16 medium_time; 2102 } __packed; 2103 2104 /** 2105 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2106 * @hdr: the frame 2107 * 2108 * The qos ctrl bytes come after the frame_control, duration, seq_num 2109 * and 3 or 4 addresses of length ETH_ALEN. 2110 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2111 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2112 */ 2113 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2114 { 2115 if (ieee80211_has_a4(hdr->frame_control)) 2116 return (u8 *)hdr + 30; 2117 else 2118 return (u8 *)hdr + 24; 2119 } 2120 2121 /** 2122 * ieee80211_get_SA - get pointer to SA 2123 * @hdr: the frame 2124 * 2125 * Given an 802.11 frame, this function returns the offset 2126 * to the source address (SA). It does not verify that the 2127 * header is long enough to contain the address, and the 2128 * header must be long enough to contain the frame control 2129 * field. 2130 */ 2131 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2132 { 2133 if (ieee80211_has_a4(hdr->frame_control)) 2134 return hdr->addr4; 2135 if (ieee80211_has_fromds(hdr->frame_control)) 2136 return hdr->addr3; 2137 return hdr->addr2; 2138 } 2139 2140 /** 2141 * ieee80211_get_DA - get pointer to DA 2142 * @hdr: the frame 2143 * 2144 * Given an 802.11 frame, this function returns the offset 2145 * to the destination address (DA). It does not verify that 2146 * the header is long enough to contain the address, and the 2147 * header must be long enough to contain the frame control 2148 * field. 2149 */ 2150 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2151 { 2152 if (ieee80211_has_tods(hdr->frame_control)) 2153 return hdr->addr3; 2154 else 2155 return hdr->addr1; 2156 } 2157 2158 /** 2159 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2160 * @hdr: the frame (buffer must include at least the first octet of payload) 2161 */ 2162 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2163 { 2164 if (ieee80211_is_disassoc(hdr->frame_control) || 2165 ieee80211_is_deauth(hdr->frame_control)) 2166 return true; 2167 2168 if (ieee80211_is_action(hdr->frame_control)) { 2169 u8 *category; 2170 2171 /* 2172 * Action frames, excluding Public Action frames, are Robust 2173 * Management Frames. However, if we are looking at a Protected 2174 * frame, skip the check since the data may be encrypted and 2175 * the frame has already been found to be a Robust Management 2176 * Frame (by the other end). 2177 */ 2178 if (ieee80211_has_protected(hdr->frame_control)) 2179 return true; 2180 category = ((u8 *) hdr) + 24; 2181 return *category != WLAN_CATEGORY_PUBLIC && 2182 *category != WLAN_CATEGORY_HT && 2183 *category != WLAN_CATEGORY_SELF_PROTECTED && 2184 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2185 } 2186 2187 return false; 2188 } 2189 2190 /** 2191 * ieee80211_is_public_action - check if frame is a public action frame 2192 * @hdr: the frame 2193 * @len: length of the frame 2194 */ 2195 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2196 size_t len) 2197 { 2198 struct ieee80211_mgmt *mgmt = (void *)hdr; 2199 2200 if (len < IEEE80211_MIN_ACTION_SIZE) 2201 return false; 2202 if (!ieee80211_is_action(hdr->frame_control)) 2203 return false; 2204 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2205 } 2206 2207 /** 2208 * ieee80211_dsss_chan_to_freq - get channel center frequency 2209 * @channel: the DSSS channel 2210 * 2211 * Convert IEEE802.11 DSSS channel to the center frequency (MHz). 2212 * Ref IEEE 802.11-2007 section 15.6 2213 */ 2214 static inline int ieee80211_dsss_chan_to_freq(int channel) 2215 { 2216 if ((channel > 0) && (channel < 14)) 2217 return 2407 + (channel * 5); 2218 else if (channel == 14) 2219 return 2484; 2220 else 2221 return -1; 2222 } 2223 2224 /** 2225 * ieee80211_freq_to_dsss_chan - get channel 2226 * @freq: the frequency 2227 * 2228 * Convert frequency (MHz) to IEEE802.11 DSSS channel 2229 * Ref IEEE 802.11-2007 section 15.6 2230 * 2231 * This routine selects the channel with the closest center frequency. 2232 */ 2233 static inline int ieee80211_freq_to_dsss_chan(int freq) 2234 { 2235 if ((freq >= 2410) && (freq < 2475)) 2236 return (freq - 2405) / 5; 2237 else if ((freq >= 2482) && (freq < 2487)) 2238 return 14; 2239 else 2240 return -1; 2241 } 2242 2243 /** 2244 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2245 * @tu: the TUs 2246 */ 2247 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2248 { 2249 return 1024 * tu; 2250 } 2251 2252 /** 2253 * ieee80211_check_tim - check if AID bit is set in TIM 2254 * @tim: the TIM IE 2255 * @tim_len: length of the TIM IE 2256 * @aid: the AID to look for 2257 */ 2258 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2259 u8 tim_len, u16 aid) 2260 { 2261 u8 mask; 2262 u8 index, indexn1, indexn2; 2263 2264 if (unlikely(!tim || tim_len < sizeof(*tim))) 2265 return false; 2266 2267 aid &= 0x3fff; 2268 index = aid / 8; 2269 mask = 1 << (aid & 7); 2270 2271 indexn1 = tim->bitmap_ctrl & 0xfe; 2272 indexn2 = tim_len + indexn1 - 4; 2273 2274 if (index < indexn1 || index > indexn2) 2275 return false; 2276 2277 index -= indexn1; 2278 2279 return !!(tim->virtual_map[index] & mask); 2280 } 2281 2282 #endif /* LINUX_IEEE80211_H */ 2283