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 /* miscellaneous IEEE 802.11 constants */ 117 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 118 #define IEEE80211_MAX_RTS_THRESHOLD 2353 119 #define IEEE80211_MAX_AID 2007 120 #define IEEE80211_MAX_TIM_LEN 251 121 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 122 6.2.1.1.2. 123 124 802.11e clarifies the figure in section 7.1.2. The frame body is 125 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 126 #define IEEE80211_MAX_DATA_LEN 2304 127 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 128 #define IEEE80211_MAX_FRAME_LEN 2352 129 130 #define IEEE80211_MAX_SSID_LEN 32 131 132 #define IEEE80211_MAX_MESH_ID_LEN 32 133 134 #define IEEE80211_NUM_TIDS 16 135 136 #define IEEE80211_QOS_CTL_LEN 2 137 /* 1d tag mask */ 138 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 139 /* TID mask */ 140 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 141 /* EOSP */ 142 #define IEEE80211_QOS_CTL_EOSP 0x0010 143 /* ACK policy */ 144 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 145 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 146 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 147 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 148 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 149 /* A-MSDU 802.11n */ 150 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 151 /* Mesh Control 802.11s */ 152 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 153 154 /* Mesh Power Save Level */ 155 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 156 /* Mesh Receiver Service Period Initiated */ 157 #define IEEE80211_QOS_CTL_RSPI 0x0400 158 159 /* U-APSD queue for WMM IEs sent by AP */ 160 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 161 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 162 163 /* U-APSD queues for WMM IEs sent by STA */ 164 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 165 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 166 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 167 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 168 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 169 170 /* U-APSD max SP length for WMM IEs sent by STA */ 171 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 172 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 173 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 174 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 175 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 176 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 177 178 #define IEEE80211_HT_CTL_LEN 4 179 180 struct ieee80211_hdr { 181 __le16 frame_control; 182 __le16 duration_id; 183 u8 addr1[6]; 184 u8 addr2[6]; 185 u8 addr3[6]; 186 __le16 seq_ctrl; 187 u8 addr4[6]; 188 } __packed; 189 190 struct ieee80211_hdr_3addr { 191 __le16 frame_control; 192 __le16 duration_id; 193 u8 addr1[6]; 194 u8 addr2[6]; 195 u8 addr3[6]; 196 __le16 seq_ctrl; 197 } __packed; 198 199 struct ieee80211_qos_hdr { 200 __le16 frame_control; 201 __le16 duration_id; 202 u8 addr1[6]; 203 u8 addr2[6]; 204 u8 addr3[6]; 205 __le16 seq_ctrl; 206 __le16 qos_ctrl; 207 } __packed; 208 209 /** 210 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 211 * @fc: frame control bytes in little-endian byteorder 212 */ 213 static inline int ieee80211_has_tods(__le16 fc) 214 { 215 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 216 } 217 218 /** 219 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 220 * @fc: frame control bytes in little-endian byteorder 221 */ 222 static inline int ieee80211_has_fromds(__le16 fc) 223 { 224 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 225 } 226 227 /** 228 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 229 * @fc: frame control bytes in little-endian byteorder 230 */ 231 static inline int ieee80211_has_a4(__le16 fc) 232 { 233 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 234 return (fc & tmp) == tmp; 235 } 236 237 /** 238 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 239 * @fc: frame control bytes in little-endian byteorder 240 */ 241 static inline int ieee80211_has_morefrags(__le16 fc) 242 { 243 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 244 } 245 246 /** 247 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 248 * @fc: frame control bytes in little-endian byteorder 249 */ 250 static inline int ieee80211_has_retry(__le16 fc) 251 { 252 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 253 } 254 255 /** 256 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 257 * @fc: frame control bytes in little-endian byteorder 258 */ 259 static inline int ieee80211_has_pm(__le16 fc) 260 { 261 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 262 } 263 264 /** 265 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 266 * @fc: frame control bytes in little-endian byteorder 267 */ 268 static inline int ieee80211_has_moredata(__le16 fc) 269 { 270 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 271 } 272 273 /** 274 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 275 * @fc: frame control bytes in little-endian byteorder 276 */ 277 static inline int ieee80211_has_protected(__le16 fc) 278 { 279 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 280 } 281 282 /** 283 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 284 * @fc: frame control bytes in little-endian byteorder 285 */ 286 static inline int ieee80211_has_order(__le16 fc) 287 { 288 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 289 } 290 291 /** 292 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 293 * @fc: frame control bytes in little-endian byteorder 294 */ 295 static inline int ieee80211_is_mgmt(__le16 fc) 296 { 297 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 298 cpu_to_le16(IEEE80211_FTYPE_MGMT); 299 } 300 301 /** 302 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 303 * @fc: frame control bytes in little-endian byteorder 304 */ 305 static inline int ieee80211_is_ctl(__le16 fc) 306 { 307 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 308 cpu_to_le16(IEEE80211_FTYPE_CTL); 309 } 310 311 /** 312 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 313 * @fc: frame control bytes in little-endian byteorder 314 */ 315 static inline int ieee80211_is_data(__le16 fc) 316 { 317 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 318 cpu_to_le16(IEEE80211_FTYPE_DATA); 319 } 320 321 /** 322 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 323 * @fc: frame control bytes in little-endian byteorder 324 */ 325 static inline int ieee80211_is_data_qos(__le16 fc) 326 { 327 /* 328 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 329 * to check the one bit 330 */ 331 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 332 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 333 } 334 335 /** 336 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 337 * @fc: frame control bytes in little-endian byteorder 338 */ 339 static inline int ieee80211_is_data_present(__le16 fc) 340 { 341 /* 342 * mask with 0x40 and test that that bit is clear to only return true 343 * for the data-containing substypes. 344 */ 345 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 346 cpu_to_le16(IEEE80211_FTYPE_DATA); 347 } 348 349 /** 350 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 351 * @fc: frame control bytes in little-endian byteorder 352 */ 353 static inline int ieee80211_is_assoc_req(__le16 fc) 354 { 355 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 356 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 357 } 358 359 /** 360 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 361 * @fc: frame control bytes in little-endian byteorder 362 */ 363 static inline int ieee80211_is_assoc_resp(__le16 fc) 364 { 365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 366 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 367 } 368 369 /** 370 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 371 * @fc: frame control bytes in little-endian byteorder 372 */ 373 static inline int ieee80211_is_reassoc_req(__le16 fc) 374 { 375 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 376 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 377 } 378 379 /** 380 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 381 * @fc: frame control bytes in little-endian byteorder 382 */ 383 static inline int ieee80211_is_reassoc_resp(__le16 fc) 384 { 385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 386 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 387 } 388 389 /** 390 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 391 * @fc: frame control bytes in little-endian byteorder 392 */ 393 static inline int ieee80211_is_probe_req(__le16 fc) 394 { 395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 397 } 398 399 /** 400 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 401 * @fc: frame control bytes in little-endian byteorder 402 */ 403 static inline int ieee80211_is_probe_resp(__le16 fc) 404 { 405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 407 } 408 409 /** 410 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 411 * @fc: frame control bytes in little-endian byteorder 412 */ 413 static inline int ieee80211_is_beacon(__le16 fc) 414 { 415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 417 } 418 419 /** 420 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 421 * @fc: frame control bytes in little-endian byteorder 422 */ 423 static inline int ieee80211_is_atim(__le16 fc) 424 { 425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 427 } 428 429 /** 430 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 431 * @fc: frame control bytes in little-endian byteorder 432 */ 433 static inline int ieee80211_is_disassoc(__le16 fc) 434 { 435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 436 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 437 } 438 439 /** 440 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 441 * @fc: frame control bytes in little-endian byteorder 442 */ 443 static inline int ieee80211_is_auth(__le16 fc) 444 { 445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 446 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 447 } 448 449 /** 450 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 451 * @fc: frame control bytes in little-endian byteorder 452 */ 453 static inline int ieee80211_is_deauth(__le16 fc) 454 { 455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 456 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 457 } 458 459 /** 460 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 461 * @fc: frame control bytes in little-endian byteorder 462 */ 463 static inline int ieee80211_is_action(__le16 fc) 464 { 465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 466 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 467 } 468 469 /** 470 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 471 * @fc: frame control bytes in little-endian byteorder 472 */ 473 static inline int ieee80211_is_back_req(__le16 fc) 474 { 475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 476 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 477 } 478 479 /** 480 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 481 * @fc: frame control bytes in little-endian byteorder 482 */ 483 static inline int ieee80211_is_back(__le16 fc) 484 { 485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 486 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 487 } 488 489 /** 490 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 491 * @fc: frame control bytes in little-endian byteorder 492 */ 493 static inline int ieee80211_is_pspoll(__le16 fc) 494 { 495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 496 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 497 } 498 499 /** 500 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 501 * @fc: frame control bytes in little-endian byteorder 502 */ 503 static inline int ieee80211_is_rts(__le16 fc) 504 { 505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 506 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 507 } 508 509 /** 510 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 511 * @fc: frame control bytes in little-endian byteorder 512 */ 513 static inline int ieee80211_is_cts(__le16 fc) 514 { 515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 516 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 517 } 518 519 /** 520 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 521 * @fc: frame control bytes in little-endian byteorder 522 */ 523 static inline int ieee80211_is_ack(__le16 fc) 524 { 525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 526 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 527 } 528 529 /** 530 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 531 * @fc: frame control bytes in little-endian byteorder 532 */ 533 static inline int ieee80211_is_cfend(__le16 fc) 534 { 535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 536 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 537 } 538 539 /** 540 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 541 * @fc: frame control bytes in little-endian byteorder 542 */ 543 static inline int ieee80211_is_cfendack(__le16 fc) 544 { 545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 546 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 547 } 548 549 /** 550 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 551 * @fc: frame control bytes in little-endian byteorder 552 */ 553 static inline int ieee80211_is_nullfunc(__le16 fc) 554 { 555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 556 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 557 } 558 559 /** 560 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 561 * @fc: frame control bytes in little-endian byteorder 562 */ 563 static inline int ieee80211_is_qos_nullfunc(__le16 fc) 564 { 565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 566 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 567 } 568 569 /** 570 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 571 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 572 */ 573 static inline int ieee80211_is_first_frag(__le16 seq_ctrl) 574 { 575 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 576 } 577 578 struct ieee80211s_hdr { 579 u8 flags; 580 u8 ttl; 581 __le32 seqnum; 582 u8 eaddr1[6]; 583 u8 eaddr2[6]; 584 } __packed; 585 586 /* Mesh flags */ 587 #define MESH_FLAGS_AE_A4 0x1 588 #define MESH_FLAGS_AE_A5_A6 0x2 589 #define MESH_FLAGS_AE 0x3 590 #define MESH_FLAGS_PS_DEEP 0x4 591 592 /** 593 * enum ieee80211_preq_flags - mesh PREQ element flags 594 * 595 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 596 */ 597 enum ieee80211_preq_flags { 598 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 599 }; 600 601 /** 602 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 603 * 604 * @IEEE80211_PREQ_TO_FLAG: target only subfield 605 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 606 */ 607 enum ieee80211_preq_target_flags { 608 IEEE80211_PREQ_TO_FLAG = 1<<0, 609 IEEE80211_PREQ_USN_FLAG = 1<<2, 610 }; 611 612 /** 613 * struct ieee80211_quiet_ie 614 * 615 * This structure refers to "Quiet information element" 616 */ 617 struct ieee80211_quiet_ie { 618 u8 count; 619 u8 period; 620 __le16 duration; 621 __le16 offset; 622 } __packed; 623 624 /** 625 * struct ieee80211_msrment_ie 626 * 627 * This structure refers to "Measurement Request/Report information element" 628 */ 629 struct ieee80211_msrment_ie { 630 u8 token; 631 u8 mode; 632 u8 type; 633 u8 request[0]; 634 } __packed; 635 636 /** 637 * struct ieee80211_channel_sw_ie 638 * 639 * This structure refers to "Channel Switch Announcement information element" 640 */ 641 struct ieee80211_channel_sw_ie { 642 u8 mode; 643 u8 new_ch_num; 644 u8 count; 645 } __packed; 646 647 /** 648 * struct ieee80211_tim 649 * 650 * This structure refers to "Traffic Indication Map information element" 651 */ 652 struct ieee80211_tim_ie { 653 u8 dtim_count; 654 u8 dtim_period; 655 u8 bitmap_ctrl; 656 /* variable size: 1 - 251 bytes */ 657 u8 virtual_map[1]; 658 } __packed; 659 660 /** 661 * struct ieee80211_meshconf_ie 662 * 663 * This structure refers to "Mesh Configuration information element" 664 */ 665 struct ieee80211_meshconf_ie { 666 u8 meshconf_psel; 667 u8 meshconf_pmetric; 668 u8 meshconf_congest; 669 u8 meshconf_synch; 670 u8 meshconf_auth; 671 u8 meshconf_form; 672 u8 meshconf_cap; 673 } __packed; 674 675 /** 676 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 677 * 678 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 679 * additional mesh peerings with other mesh STAs 680 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 681 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 682 * is ongoing 683 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 684 * neighbors in deep sleep mode 685 */ 686 enum mesh_config_capab_flags { 687 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 688 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 689 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 690 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 691 }; 692 693 /** 694 * struct ieee80211_rann_ie 695 * 696 * This structure refers to "Root Announcement information element" 697 */ 698 struct ieee80211_rann_ie { 699 u8 rann_flags; 700 u8 rann_hopcount; 701 u8 rann_ttl; 702 u8 rann_addr[6]; 703 __le32 rann_seq; 704 __le32 rann_interval; 705 __le32 rann_metric; 706 } __packed; 707 708 enum ieee80211_rann_flags { 709 RANN_FLAG_IS_GATE = 1 << 0, 710 }; 711 712 enum ieee80211_ht_chanwidth_values { 713 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 714 IEEE80211_HT_CHANWIDTH_ANY = 1, 715 }; 716 717 /** 718 * enum ieee80211_opmode_bits - VHT operating mode field bits 719 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 720 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 721 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 722 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 723 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 724 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 725 * (the NSS value is the value of this field + 1) 726 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 727 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 728 * using a beamforming steering matrix 729 */ 730 enum ieee80211_vht_opmode_bits { 731 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 732 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 733 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 734 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 735 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 736 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 737 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 738 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 739 }; 740 741 #define WLAN_SA_QUERY_TR_ID_LEN 2 742 743 struct ieee80211_mgmt { 744 __le16 frame_control; 745 __le16 duration; 746 u8 da[6]; 747 u8 sa[6]; 748 u8 bssid[6]; 749 __le16 seq_ctrl; 750 union { 751 struct { 752 __le16 auth_alg; 753 __le16 auth_transaction; 754 __le16 status_code; 755 /* possibly followed by Challenge text */ 756 u8 variable[0]; 757 } __packed auth; 758 struct { 759 __le16 reason_code; 760 } __packed deauth; 761 struct { 762 __le16 capab_info; 763 __le16 listen_interval; 764 /* followed by SSID and Supported rates */ 765 u8 variable[0]; 766 } __packed assoc_req; 767 struct { 768 __le16 capab_info; 769 __le16 status_code; 770 __le16 aid; 771 /* followed by Supported rates */ 772 u8 variable[0]; 773 } __packed assoc_resp, reassoc_resp; 774 struct { 775 __le16 capab_info; 776 __le16 listen_interval; 777 u8 current_ap[6]; 778 /* followed by SSID and Supported rates */ 779 u8 variable[0]; 780 } __packed reassoc_req; 781 struct { 782 __le16 reason_code; 783 } __packed disassoc; 784 struct { 785 __le64 timestamp; 786 __le16 beacon_int; 787 __le16 capab_info; 788 /* followed by some of SSID, Supported rates, 789 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 790 u8 variable[0]; 791 } __packed beacon; 792 struct { 793 /* only variable items: SSID, Supported rates */ 794 u8 variable[0]; 795 } __packed probe_req; 796 struct { 797 __le64 timestamp; 798 __le16 beacon_int; 799 __le16 capab_info; 800 /* followed by some of SSID, Supported rates, 801 * FH Params, DS Params, CF Params, IBSS Params */ 802 u8 variable[0]; 803 } __packed probe_resp; 804 struct { 805 u8 category; 806 union { 807 struct { 808 u8 action_code; 809 u8 dialog_token; 810 u8 status_code; 811 u8 variable[0]; 812 } __packed wme_action; 813 struct{ 814 u8 action_code; 815 u8 element_id; 816 u8 length; 817 struct ieee80211_channel_sw_ie sw_elem; 818 } __packed chan_switch; 819 struct{ 820 u8 action_code; 821 u8 dialog_token; 822 u8 element_id; 823 u8 length; 824 struct ieee80211_msrment_ie msr_elem; 825 } __packed measurement; 826 struct{ 827 u8 action_code; 828 u8 dialog_token; 829 __le16 capab; 830 __le16 timeout; 831 __le16 start_seq_num; 832 } __packed addba_req; 833 struct{ 834 u8 action_code; 835 u8 dialog_token; 836 __le16 status; 837 __le16 capab; 838 __le16 timeout; 839 } __packed addba_resp; 840 struct{ 841 u8 action_code; 842 __le16 params; 843 __le16 reason_code; 844 } __packed delba; 845 struct { 846 u8 action_code; 847 u8 variable[0]; 848 } __packed self_prot; 849 struct{ 850 u8 action_code; 851 u8 variable[0]; 852 } __packed mesh_action; 853 struct { 854 u8 action; 855 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 856 } __packed sa_query; 857 struct { 858 u8 action; 859 u8 smps_control; 860 } __packed ht_smps; 861 struct { 862 u8 action_code; 863 u8 chanwidth; 864 } __packed ht_notify_cw; 865 struct { 866 u8 action_code; 867 u8 dialog_token; 868 __le16 capability; 869 u8 variable[0]; 870 } __packed tdls_discover_resp; 871 struct { 872 u8 action_code; 873 u8 operating_mode; 874 } __packed vht_opmode_notif; 875 } u; 876 } __packed action; 877 } u; 878 } __packed; 879 880 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ 881 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 882 883 /* mgmt header + 1 byte category code */ 884 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 885 886 887 /* Management MIC information element (IEEE 802.11w) */ 888 struct ieee80211_mmie { 889 u8 element_id; 890 u8 length; 891 __le16 key_id; 892 u8 sequence_number[6]; 893 u8 mic[8]; 894 } __packed; 895 896 struct ieee80211_vendor_ie { 897 u8 element_id; 898 u8 len; 899 u8 oui[3]; 900 u8 oui_type; 901 } __packed; 902 903 /* Control frames */ 904 struct ieee80211_rts { 905 __le16 frame_control; 906 __le16 duration; 907 u8 ra[6]; 908 u8 ta[6]; 909 } __packed; 910 911 struct ieee80211_cts { 912 __le16 frame_control; 913 __le16 duration; 914 u8 ra[6]; 915 } __packed; 916 917 struct ieee80211_pspoll { 918 __le16 frame_control; 919 __le16 aid; 920 u8 bssid[6]; 921 u8 ta[6]; 922 } __packed; 923 924 /* TDLS */ 925 926 /* Link-id information element */ 927 struct ieee80211_tdls_lnkie { 928 u8 ie_type; /* Link Identifier IE */ 929 u8 ie_len; 930 u8 bssid[6]; 931 u8 init_sta[6]; 932 u8 resp_sta[6]; 933 } __packed; 934 935 struct ieee80211_tdls_data { 936 u8 da[6]; 937 u8 sa[6]; 938 __be16 ether_type; 939 u8 payload_type; 940 u8 category; 941 u8 action_code; 942 union { 943 struct { 944 u8 dialog_token; 945 __le16 capability; 946 u8 variable[0]; 947 } __packed setup_req; 948 struct { 949 __le16 status_code; 950 u8 dialog_token; 951 __le16 capability; 952 u8 variable[0]; 953 } __packed setup_resp; 954 struct { 955 __le16 status_code; 956 u8 dialog_token; 957 u8 variable[0]; 958 } __packed setup_cfm; 959 struct { 960 __le16 reason_code; 961 u8 variable[0]; 962 } __packed teardown; 963 struct { 964 u8 dialog_token; 965 u8 variable[0]; 966 } __packed discover_req; 967 } u; 968 } __packed; 969 970 /* 971 * Peer-to-Peer IE attribute related definitions. 972 */ 973 /** 974 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 975 */ 976 enum ieee80211_p2p_attr_id { 977 IEEE80211_P2P_ATTR_STATUS = 0, 978 IEEE80211_P2P_ATTR_MINOR_REASON, 979 IEEE80211_P2P_ATTR_CAPABILITY, 980 IEEE80211_P2P_ATTR_DEVICE_ID, 981 IEEE80211_P2P_ATTR_GO_INTENT, 982 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 983 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 984 IEEE80211_P2P_ATTR_GROUP_BSSID, 985 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 986 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 987 IEEE80211_P2P_ATTR_MANAGABILITY, 988 IEEE80211_P2P_ATTR_CHANNEL_LIST, 989 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 990 IEEE80211_P2P_ATTR_DEVICE_INFO, 991 IEEE80211_P2P_ATTR_GROUP_INFO, 992 IEEE80211_P2P_ATTR_GROUP_ID, 993 IEEE80211_P2P_ATTR_INTERFACE, 994 IEEE80211_P2P_ATTR_OPER_CHANNEL, 995 IEEE80211_P2P_ATTR_INVITE_FLAGS, 996 /* 19 - 220: Reserved */ 997 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 998 999 IEEE80211_P2P_ATTR_MAX 1000 }; 1001 1002 /** 1003 * struct ieee80211_bar - HT Block Ack Request 1004 * 1005 * This structure refers to "HT BlockAckReq" as 1006 * described in 802.11n draft section 7.2.1.7.1 1007 */ 1008 struct ieee80211_bar { 1009 __le16 frame_control; 1010 __le16 duration; 1011 __u8 ra[6]; 1012 __u8 ta[6]; 1013 __le16 control; 1014 __le16 start_seq_num; 1015 } __packed; 1016 1017 /* 802.11 BAR control masks */ 1018 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1019 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1020 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1021 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1022 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1023 1024 #define IEEE80211_HT_MCS_MASK_LEN 10 1025 1026 /** 1027 * struct ieee80211_mcs_info - MCS information 1028 * @rx_mask: RX mask 1029 * @rx_highest: highest supported RX rate. If set represents 1030 * the highest supported RX data rate in units of 1 Mbps. 1031 * If this field is 0 this value should not be used to 1032 * consider the highest RX data rate supported. 1033 * @tx_params: TX parameters 1034 */ 1035 struct ieee80211_mcs_info { 1036 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1037 __le16 rx_highest; 1038 u8 tx_params; 1039 u8 reserved[3]; 1040 } __packed; 1041 1042 /* 802.11n HT capability MSC set */ 1043 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1044 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1045 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1046 /* value 0 == 1 stream etc */ 1047 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1048 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1049 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1050 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1051 1052 /* 1053 * 802.11n D5.0 20.3.5 / 20.6 says: 1054 * - indices 0 to 7 and 32 are single spatial stream 1055 * - 8 to 31 are multiple spatial streams using equal modulation 1056 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1057 * - remainder are multiple spatial streams using unequal modulation 1058 */ 1059 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1060 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1061 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1062 1063 /** 1064 * struct ieee80211_ht_cap - HT capabilities 1065 * 1066 * This structure is the "HT capabilities element" as 1067 * described in 802.11n D5.0 7.3.2.57 1068 */ 1069 struct ieee80211_ht_cap { 1070 __le16 cap_info; 1071 u8 ampdu_params_info; 1072 1073 /* 16 bytes MCS information */ 1074 struct ieee80211_mcs_info mcs; 1075 1076 __le16 extended_ht_cap_info; 1077 __le32 tx_BF_cap_info; 1078 u8 antenna_selection_info; 1079 } __packed; 1080 1081 /* 802.11n HT capabilities masks (for cap_info) */ 1082 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1083 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1084 #define IEEE80211_HT_CAP_SM_PS 0x000C 1085 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1086 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1087 #define IEEE80211_HT_CAP_SGI_20 0x0020 1088 #define IEEE80211_HT_CAP_SGI_40 0x0040 1089 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1090 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1091 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1092 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1093 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1094 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1095 #define IEEE80211_HT_CAP_RESERVED 0x2000 1096 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1097 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1098 1099 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1100 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1101 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1102 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1103 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1104 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1105 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1106 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1107 1108 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1109 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1110 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1111 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1112 1113 /* 1114 * Maximum length of AMPDU that the STA can receive. 1115 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1116 */ 1117 enum ieee80211_max_ampdu_length_exp { 1118 IEEE80211_HT_MAX_AMPDU_8K = 0, 1119 IEEE80211_HT_MAX_AMPDU_16K = 1, 1120 IEEE80211_HT_MAX_AMPDU_32K = 2, 1121 IEEE80211_HT_MAX_AMPDU_64K = 3 1122 }; 1123 1124 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1125 1126 /* Minimum MPDU start spacing */ 1127 enum ieee80211_min_mpdu_spacing { 1128 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1129 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1130 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1131 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1132 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1133 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1134 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1135 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1136 }; 1137 1138 /** 1139 * struct ieee80211_ht_operation - HT operation IE 1140 * 1141 * This structure is the "HT operation element" as 1142 * described in 802.11n-2009 7.3.2.57 1143 */ 1144 struct ieee80211_ht_operation { 1145 u8 primary_chan; 1146 u8 ht_param; 1147 __le16 operation_mode; 1148 __le16 stbc_param; 1149 u8 basic_set[16]; 1150 } __packed; 1151 1152 /* for ht_param */ 1153 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1154 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1155 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1156 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1157 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1158 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1159 1160 /* for operation_mode */ 1161 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1162 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1163 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1164 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1165 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1166 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1167 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1168 1169 /* for stbc_param */ 1170 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1171 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1172 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1173 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1174 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1175 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1176 1177 1178 /* block-ack parameters */ 1179 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1180 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1181 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1182 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1183 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1184 1185 /* 1186 * A-PMDU buffer sizes 1187 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1188 */ 1189 #define IEEE80211_MIN_AMPDU_BUF 0x8 1190 #define IEEE80211_MAX_AMPDU_BUF 0x40 1191 1192 1193 /* Spatial Multiplexing Power Save Modes (for capability) */ 1194 #define WLAN_HT_CAP_SM_PS_STATIC 0 1195 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1196 #define WLAN_HT_CAP_SM_PS_INVALID 2 1197 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1198 1199 /* for SM power control field lower two bits */ 1200 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1201 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1202 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1203 1204 /** 1205 * struct ieee80211_vht_mcs_info - VHT MCS information 1206 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1207 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1208 * STA can receive. Rate expressed in units of 1 Mbps. 1209 * If this field is 0 this value should not be used to 1210 * consider the highest RX data rate supported. 1211 * The top 3 bits of this field are reserved. 1212 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1213 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1214 * STA can transmit. Rate expressed in units of 1 Mbps. 1215 * If this field is 0 this value should not be used to 1216 * consider the highest TX data rate supported. 1217 * The top 3 bits of this field are reserved. 1218 */ 1219 struct ieee80211_vht_mcs_info { 1220 __le16 rx_mcs_map; 1221 __le16 rx_highest; 1222 __le16 tx_mcs_map; 1223 __le16 tx_highest; 1224 } __packed; 1225 1226 /** 1227 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1228 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1229 * number of streams 1230 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1231 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1232 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1233 * 1234 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1235 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1236 * both split into 8 subfields by number of streams. These values indicate 1237 * which MCSes are supported for the number of streams the value appears 1238 * for. 1239 */ 1240 enum ieee80211_vht_mcs_support { 1241 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1242 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1243 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1244 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1245 }; 1246 1247 /** 1248 * struct ieee80211_vht_cap - VHT capabilities 1249 * 1250 * This structure is the "VHT capabilities element" as 1251 * described in 802.11ac D3.0 8.4.2.160 1252 * @vht_cap_info: VHT capability info 1253 * @supp_mcs: VHT MCS supported rates 1254 */ 1255 struct ieee80211_vht_cap { 1256 __le32 vht_cap_info; 1257 struct ieee80211_vht_mcs_info supp_mcs; 1258 } __packed; 1259 1260 /** 1261 * enum ieee80211_vht_chanwidth - VHT channel width 1262 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1263 * determine the channel width (20 or 40 MHz) 1264 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1265 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1266 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1267 */ 1268 enum ieee80211_vht_chanwidth { 1269 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1270 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1271 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1272 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1273 }; 1274 1275 /** 1276 * struct ieee80211_vht_operation - VHT operation IE 1277 * 1278 * This structure is the "VHT operation element" as 1279 * described in 802.11ac D3.0 8.4.2.161 1280 * @chan_width: Operating channel width 1281 * @center_freq_seg1_idx: center freq segment 1 index 1282 * @center_freq_seg2_idx: center freq segment 2 index 1283 * @basic_mcs_set: VHT Basic MCS rate set 1284 */ 1285 struct ieee80211_vht_operation { 1286 u8 chan_width; 1287 u8 center_freq_seg1_idx; 1288 u8 center_freq_seg2_idx; 1289 __le16 basic_mcs_set; 1290 } __packed; 1291 1292 1293 #define IEEE80211_VHT_MCS_ZERO_TO_SEVEN_SUPPORT 0 1294 #define IEEE80211_VHT_MCS_ZERO_TO_EIGHT_SUPPORT 1 1295 #define IEEE80211_VHT_MCS_ZERO_TO_NINE_SUPPORT 2 1296 #define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 1297 1298 /* 802.11ac VHT Capabilities */ 1299 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1300 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1301 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1302 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1303 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1304 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1305 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1306 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1307 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1308 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1309 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1310 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1311 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1312 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1313 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1314 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1315 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000 1316 #define IEEE80211_VHT_CAP_SOUNDING_DIMENTION_MAX 0x00030000 1317 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1318 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1319 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1320 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1321 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1322 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1323 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1324 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1325 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1326 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1327 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1328 1329 /* Authentication algorithms */ 1330 #define WLAN_AUTH_OPEN 0 1331 #define WLAN_AUTH_SHARED_KEY 1 1332 #define WLAN_AUTH_FT 2 1333 #define WLAN_AUTH_SAE 3 1334 #define WLAN_AUTH_LEAP 128 1335 1336 #define WLAN_AUTH_CHALLENGE_LEN 128 1337 1338 #define WLAN_CAPABILITY_ESS (1<<0) 1339 #define WLAN_CAPABILITY_IBSS (1<<1) 1340 1341 /* 1342 * A mesh STA sets the ESS and IBSS capability bits to zero. 1343 * however, this holds true for p2p probe responses (in the p2p_find 1344 * phase) as well. 1345 */ 1346 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1347 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1348 1349 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1350 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1351 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1352 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1353 #define WLAN_CAPABILITY_PBCC (1<<6) 1354 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1355 1356 /* 802.11h */ 1357 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1358 #define WLAN_CAPABILITY_QOS (1<<9) 1359 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1360 #define WLAN_CAPABILITY_APSD (1<<11) 1361 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1362 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1363 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1364 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1365 1366 /* DMG (60gHz) 802.11ad */ 1367 /* type - bits 0..1 */ 1368 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1369 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1370 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1371 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1372 1373 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1374 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1375 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1376 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1377 1378 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1379 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1380 1381 /* measurement */ 1382 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1383 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1384 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1385 1386 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1387 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1388 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1389 1390 /* 802.11g ERP information element */ 1391 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1392 #define WLAN_ERP_USE_PROTECTION (1<<1) 1393 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1394 1395 /* WLAN_ERP_BARKER_PREAMBLE values */ 1396 enum { 1397 WLAN_ERP_PREAMBLE_SHORT = 0, 1398 WLAN_ERP_PREAMBLE_LONG = 1, 1399 }; 1400 1401 /* Band ID, 802.11ad #8.4.1.45 */ 1402 enum { 1403 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1404 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1405 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1406 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1407 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1408 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1409 }; 1410 1411 /* Status codes */ 1412 enum ieee80211_statuscode { 1413 WLAN_STATUS_SUCCESS = 0, 1414 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1415 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1416 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1417 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1418 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1419 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1420 WLAN_STATUS_CHALLENGE_FAIL = 15, 1421 WLAN_STATUS_AUTH_TIMEOUT = 16, 1422 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1423 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1424 /* 802.11b */ 1425 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1426 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1427 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1428 /* 802.11h */ 1429 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1430 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1431 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1432 /* 802.11g */ 1433 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1434 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1435 /* 802.11w */ 1436 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1437 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1438 /* 802.11i */ 1439 WLAN_STATUS_INVALID_IE = 40, 1440 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1441 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1442 WLAN_STATUS_INVALID_AKMP = 43, 1443 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1444 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1445 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1446 /* 802.11e */ 1447 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1448 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1449 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1450 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1451 WLAN_STATUS_REQUEST_DECLINED = 37, 1452 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1453 WLAN_STATUS_CHANGE_TSPEC = 39, 1454 WLAN_STATUS_WAIT_TS_DELAY = 47, 1455 WLAN_STATUS_NO_DIRECT_LINK = 48, 1456 WLAN_STATUS_STA_NOT_PRESENT = 49, 1457 WLAN_STATUS_STA_NOT_QSTA = 50, 1458 /* 802.11s */ 1459 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1460 WLAN_STATUS_FCG_NOT_SUPP = 78, 1461 WLAN_STATUS_STA_NO_TBTT = 78, 1462 /* 802.11ad */ 1463 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1464 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1465 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1466 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1467 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1468 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1469 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1470 WLAN_STATUS_REJECT_DSE_BAND = 96, 1471 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1472 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1473 }; 1474 1475 1476 /* Reason codes */ 1477 enum ieee80211_reasoncode { 1478 WLAN_REASON_UNSPECIFIED = 1, 1479 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1480 WLAN_REASON_DEAUTH_LEAVING = 3, 1481 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1482 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1483 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1484 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1485 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1486 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1487 /* 802.11h */ 1488 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1489 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1490 /* 802.11i */ 1491 WLAN_REASON_INVALID_IE = 13, 1492 WLAN_REASON_MIC_FAILURE = 14, 1493 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1494 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1495 WLAN_REASON_IE_DIFFERENT = 17, 1496 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1497 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1498 WLAN_REASON_INVALID_AKMP = 20, 1499 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1500 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1501 WLAN_REASON_IEEE8021X_FAILED = 23, 1502 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1503 /* 802.11e */ 1504 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1505 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1506 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1507 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1508 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1509 WLAN_REASON_QSTA_NOT_USE = 37, 1510 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1511 WLAN_REASON_QSTA_TIMEOUT = 39, 1512 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1513 /* 802.11s */ 1514 WLAN_REASON_MESH_PEER_CANCELED = 52, 1515 WLAN_REASON_MESH_MAX_PEERS = 53, 1516 WLAN_REASON_MESH_CONFIG = 54, 1517 WLAN_REASON_MESH_CLOSE = 55, 1518 WLAN_REASON_MESH_MAX_RETRIES = 56, 1519 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1520 WLAN_REASON_MESH_INVALID_GTK = 58, 1521 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1522 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1523 WLAN_REASON_MESH_PATH_ERROR = 61, 1524 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1525 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1526 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1527 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1528 WLAN_REASON_MESH_CHAN = 66, 1529 }; 1530 1531 1532 /* Information Element IDs */ 1533 enum ieee80211_eid { 1534 WLAN_EID_SSID = 0, 1535 WLAN_EID_SUPP_RATES = 1, 1536 WLAN_EID_FH_PARAMS = 2, 1537 WLAN_EID_DS_PARAMS = 3, 1538 WLAN_EID_CF_PARAMS = 4, 1539 WLAN_EID_TIM = 5, 1540 WLAN_EID_IBSS_PARAMS = 6, 1541 WLAN_EID_CHALLENGE = 16, 1542 1543 WLAN_EID_COUNTRY = 7, 1544 WLAN_EID_HP_PARAMS = 8, 1545 WLAN_EID_HP_TABLE = 9, 1546 WLAN_EID_REQUEST = 10, 1547 1548 WLAN_EID_QBSS_LOAD = 11, 1549 WLAN_EID_EDCA_PARAM_SET = 12, 1550 WLAN_EID_TSPEC = 13, 1551 WLAN_EID_TCLAS = 14, 1552 WLAN_EID_SCHEDULE = 15, 1553 WLAN_EID_TS_DELAY = 43, 1554 WLAN_EID_TCLAS_PROCESSING = 44, 1555 WLAN_EID_QOS_CAPA = 46, 1556 /* 802.11z */ 1557 WLAN_EID_LINK_ID = 101, 1558 /* 802.11s */ 1559 WLAN_EID_MESH_CONFIG = 113, 1560 WLAN_EID_MESH_ID = 114, 1561 WLAN_EID_LINK_METRIC_REPORT = 115, 1562 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1563 WLAN_EID_PEER_MGMT = 117, 1564 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1565 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1566 WLAN_EID_BEACON_TIMING = 120, 1567 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1568 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1569 WLAN_EID_MCCAOP_ADVERT = 123, 1570 WLAN_EID_MCCAOP_TEARDOWN = 124, 1571 WLAN_EID_GANN = 125, 1572 WLAN_EID_RANN = 126, 1573 WLAN_EID_PREQ = 130, 1574 WLAN_EID_PREP = 131, 1575 WLAN_EID_PERR = 132, 1576 WLAN_EID_PXU = 137, 1577 WLAN_EID_PXUC = 138, 1578 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1579 WLAN_EID_MIC = 140, 1580 1581 WLAN_EID_PWR_CONSTRAINT = 32, 1582 WLAN_EID_PWR_CAPABILITY = 33, 1583 WLAN_EID_TPC_REQUEST = 34, 1584 WLAN_EID_TPC_REPORT = 35, 1585 WLAN_EID_SUPPORTED_CHANNELS = 36, 1586 WLAN_EID_CHANNEL_SWITCH = 37, 1587 WLAN_EID_MEASURE_REQUEST = 38, 1588 WLAN_EID_MEASURE_REPORT = 39, 1589 WLAN_EID_QUIET = 40, 1590 WLAN_EID_IBSS_DFS = 41, 1591 1592 WLAN_EID_ERP_INFO = 42, 1593 WLAN_EID_EXT_SUPP_RATES = 50, 1594 1595 WLAN_EID_HT_CAPABILITY = 45, 1596 WLAN_EID_HT_OPERATION = 61, 1597 1598 WLAN_EID_RSN = 48, 1599 WLAN_EID_MMIE = 76, 1600 WLAN_EID_VENDOR_SPECIFIC = 221, 1601 WLAN_EID_QOS_PARAMETER = 222, 1602 1603 WLAN_EID_AP_CHAN_REPORT = 51, 1604 WLAN_EID_NEIGHBOR_REPORT = 52, 1605 WLAN_EID_RCPI = 53, 1606 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1607 WLAN_EID_ANTENNA_INFO = 64, 1608 WLAN_EID_RSNI = 65, 1609 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1610 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1611 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1612 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1613 WLAN_EID_MULTIPLE_BSSID = 71, 1614 WLAN_EID_BSS_COEX_2040 = 72, 1615 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1616 WLAN_EID_EXT_CAPABILITY = 127, 1617 1618 WLAN_EID_MOBILITY_DOMAIN = 54, 1619 WLAN_EID_FAST_BSS_TRANSITION = 55, 1620 WLAN_EID_TIMEOUT_INTERVAL = 56, 1621 WLAN_EID_RIC_DATA = 57, 1622 WLAN_EID_RIC_DESCRIPTOR = 75, 1623 1624 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1625 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1626 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1627 1628 WLAN_EID_VHT_CAPABILITY = 191, 1629 WLAN_EID_VHT_OPERATION = 192, 1630 WLAN_EID_OPMODE_NOTIF = 199, 1631 1632 /* 802.11ad */ 1633 WLAN_EID_NON_TX_BSSID_CAP = 83, 1634 WLAN_EID_WAKEUP_SCHEDULE = 143, 1635 WLAN_EID_EXT_SCHEDULE = 144, 1636 WLAN_EID_STA_AVAILABILITY = 145, 1637 WLAN_EID_DMG_TSPEC = 146, 1638 WLAN_EID_DMG_AT = 147, 1639 WLAN_EID_DMG_CAP = 148, 1640 WLAN_EID_DMG_OPERATION = 151, 1641 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1642 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1643 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1644 WLAN_EID_AWAKE_WINDOW = 157, 1645 WLAN_EID_MULTI_BAND = 158, 1646 WLAN_EID_ADDBA_EXT = 159, 1647 WLAN_EID_NEXT_PCP_LIST = 160, 1648 WLAN_EID_PCP_HANDOVER = 161, 1649 WLAN_EID_DMG_LINK_MARGIN = 162, 1650 WLAN_EID_SWITCHING_STREAM = 163, 1651 WLAN_EID_SESSION_TRANSITION = 164, 1652 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1653 WLAN_EID_CLUSTER_REPORT = 166, 1654 WLAN_EID_RELAY_CAP = 167, 1655 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1656 WLAN_EID_BEAM_LINK_MAINT = 169, 1657 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1658 WLAN_EID_U_PID = 171, 1659 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1660 WLAN_EID_QUIET_PERIOD_REQ = 175, 1661 WLAN_EID_QUIET_PERIOD_RESP = 177, 1662 WLAN_EID_EPAC_POLICY = 182, 1663 WLAN_EID_CLISTER_TIME_OFF = 183, 1664 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1665 }; 1666 1667 /* Action category code */ 1668 enum ieee80211_category { 1669 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 1670 WLAN_CATEGORY_QOS = 1, 1671 WLAN_CATEGORY_DLS = 2, 1672 WLAN_CATEGORY_BACK = 3, 1673 WLAN_CATEGORY_PUBLIC = 4, 1674 WLAN_CATEGORY_HT = 7, 1675 WLAN_CATEGORY_SA_QUERY = 8, 1676 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 1677 WLAN_CATEGORY_TDLS = 12, 1678 WLAN_CATEGORY_MESH_ACTION = 13, 1679 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 1680 WLAN_CATEGORY_SELF_PROTECTED = 15, 1681 WLAN_CATEGORY_DMG = 16, 1682 WLAN_CATEGORY_WMM = 17, 1683 WLAN_CATEGORY_FST = 18, 1684 WLAN_CATEGORY_UNPROT_DMG = 20, 1685 WLAN_CATEGORY_VHT = 21, 1686 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 1687 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 1688 }; 1689 1690 /* SPECTRUM_MGMT action code */ 1691 enum ieee80211_spectrum_mgmt_actioncode { 1692 WLAN_ACTION_SPCT_MSR_REQ = 0, 1693 WLAN_ACTION_SPCT_MSR_RPRT = 1, 1694 WLAN_ACTION_SPCT_TPC_REQ = 2, 1695 WLAN_ACTION_SPCT_TPC_RPRT = 3, 1696 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 1697 }; 1698 1699 /* HT action codes */ 1700 enum ieee80211_ht_actioncode { 1701 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 1702 WLAN_HT_ACTION_SMPS = 1, 1703 WLAN_HT_ACTION_PSMP = 2, 1704 WLAN_HT_ACTION_PCO_PHASE = 3, 1705 WLAN_HT_ACTION_CSI = 4, 1706 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 1707 WLAN_HT_ACTION_COMPRESSED_BF = 6, 1708 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 1709 }; 1710 1711 /* VHT action codes */ 1712 enum ieee80211_vht_actioncode { 1713 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 1714 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 1715 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 1716 }; 1717 1718 /* Self Protected Action codes */ 1719 enum ieee80211_self_protected_actioncode { 1720 WLAN_SP_RESERVED = 0, 1721 WLAN_SP_MESH_PEERING_OPEN = 1, 1722 WLAN_SP_MESH_PEERING_CONFIRM = 2, 1723 WLAN_SP_MESH_PEERING_CLOSE = 3, 1724 WLAN_SP_MGK_INFORM = 4, 1725 WLAN_SP_MGK_ACK = 5, 1726 }; 1727 1728 /* Mesh action codes */ 1729 enum ieee80211_mesh_actioncode { 1730 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 1731 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 1732 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 1733 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 1734 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 1735 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 1736 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 1737 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 1738 WLAN_MESH_ACTION_MCCA_TEARDOWN, 1739 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 1740 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 1741 }; 1742 1743 /* Security key length */ 1744 enum ieee80211_key_len { 1745 WLAN_KEY_LEN_WEP40 = 5, 1746 WLAN_KEY_LEN_WEP104 = 13, 1747 WLAN_KEY_LEN_CCMP = 16, 1748 WLAN_KEY_LEN_TKIP = 32, 1749 WLAN_KEY_LEN_AES_CMAC = 16, 1750 }; 1751 1752 /* Public action codes */ 1753 enum ieee80211_pub_actioncode { 1754 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 1755 }; 1756 1757 /* TDLS action codes */ 1758 enum ieee80211_tdls_actioncode { 1759 WLAN_TDLS_SETUP_REQUEST = 0, 1760 WLAN_TDLS_SETUP_RESPONSE = 1, 1761 WLAN_TDLS_SETUP_CONFIRM = 2, 1762 WLAN_TDLS_TEARDOWN = 3, 1763 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 1764 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 1765 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 1766 WLAN_TDLS_PEER_PSM_REQUEST = 7, 1767 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 1768 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 1769 WLAN_TDLS_DISCOVERY_REQUEST = 10, 1770 }; 1771 1772 /* 1773 * TDLS capabililites to be enabled in the 5th byte of the 1774 * @WLAN_EID_EXT_CAPABILITY information element 1775 */ 1776 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 1777 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 1778 1779 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 1780 1781 /* TDLS specific payload type in the LLC/SNAP header */ 1782 #define WLAN_TDLS_SNAP_RFTYPE 0x2 1783 1784 /** 1785 * enum - mesh synchronization method identifier 1786 * 1787 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 1788 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 1789 * that will be specified in a vendor specific information element 1790 */ 1791 enum { 1792 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 1793 IEEE80211_SYNC_METHOD_VENDOR = 255, 1794 }; 1795 1796 /** 1797 * enum - mesh path selection protocol identifier 1798 * 1799 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 1800 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 1801 * be specified in a vendor specific information element 1802 */ 1803 enum { 1804 IEEE80211_PATH_PROTOCOL_HWMP = 1, 1805 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 1806 }; 1807 1808 /** 1809 * enum - mesh path selection metric identifier 1810 * 1811 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 1812 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 1813 * specified in a vendor specific information element 1814 */ 1815 enum { 1816 IEEE80211_PATH_METRIC_AIRTIME = 1, 1817 IEEE80211_PATH_METRIC_VENDOR = 255, 1818 }; 1819 1820 /** 1821 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 1822 * 1823 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 1824 * 1825 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 1826 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 1827 * this value 1828 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 1829 * the proactive PREQ with proactive PREP subfield set to 0 1830 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 1831 * supports the proactive PREQ with proactive PREP subfield set to 1 1832 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 1833 * the proactive RANN 1834 */ 1835 enum ieee80211_root_mode_identifier { 1836 IEEE80211_ROOTMODE_NO_ROOT = 0, 1837 IEEE80211_ROOTMODE_ROOT = 1, 1838 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 1839 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 1840 IEEE80211_PROACTIVE_RANN = 4, 1841 }; 1842 1843 /* 1844 * IEEE 802.11-2007 7.3.2.9 Country information element 1845 * 1846 * Minimum length is 8 octets, ie len must be evenly 1847 * divisible by 2 1848 */ 1849 1850 /* Although the spec says 8 I'm seeing 6 in practice */ 1851 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 1852 1853 /* The Country String field of the element shall be 3 octets in length */ 1854 #define IEEE80211_COUNTRY_STRING_LEN 3 1855 1856 /* 1857 * For regulatory extension stuff see IEEE 802.11-2007 1858 * Annex I (page 1141) and Annex J (page 1147). Also 1859 * review 7.3.2.9. 1860 * 1861 * When dot11RegulatoryClassesRequired is true and the 1862 * first_channel/reg_extension_id is >= 201 then the IE 1863 * compromises of the 'ext' struct represented below: 1864 * 1865 * - Regulatory extension ID - when generating IE this just needs 1866 * to be monotonically increasing for each triplet passed in 1867 * the IE 1868 * - Regulatory class - index into set of rules 1869 * - Coverage class - index into air propagation time (Table 7-27), 1870 * in microseconds, you can compute the air propagation time from 1871 * the index by multiplying by 3, so index 10 yields a propagation 1872 * of 10 us. Valid values are 0-31, values 32-255 are not defined 1873 * yet. A value of 0 inicates air propagation of <= 1 us. 1874 * 1875 * See also Table I.2 for Emission limit sets and table 1876 * I.3 for Behavior limit sets. Table J.1 indicates how to map 1877 * a reg_class to an emission limit set and behavior limit set. 1878 */ 1879 #define IEEE80211_COUNTRY_EXTENSION_ID 201 1880 1881 /* 1882 * Channels numbers in the IE must be monotonically increasing 1883 * if dot11RegulatoryClassesRequired is not true. 1884 * 1885 * If dot11RegulatoryClassesRequired is true consecutive 1886 * subband triplets following a regulatory triplet shall 1887 * have monotonically increasing first_channel number fields. 1888 * 1889 * Channel numbers shall not overlap. 1890 * 1891 * Note that max_power is signed. 1892 */ 1893 struct ieee80211_country_ie_triplet { 1894 union { 1895 struct { 1896 u8 first_channel; 1897 u8 num_channels; 1898 s8 max_power; 1899 } __packed chans; 1900 struct { 1901 u8 reg_extension_id; 1902 u8 reg_class; 1903 u8 coverage_class; 1904 } __packed ext; 1905 }; 1906 } __packed; 1907 1908 enum ieee80211_timeout_interval_type { 1909 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 1910 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 1911 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 1912 }; 1913 1914 /* BACK action code */ 1915 enum ieee80211_back_actioncode { 1916 WLAN_ACTION_ADDBA_REQ = 0, 1917 WLAN_ACTION_ADDBA_RESP = 1, 1918 WLAN_ACTION_DELBA = 2, 1919 }; 1920 1921 /* BACK (block-ack) parties */ 1922 enum ieee80211_back_parties { 1923 WLAN_BACK_RECIPIENT = 0, 1924 WLAN_BACK_INITIATOR = 1, 1925 }; 1926 1927 /* SA Query action */ 1928 enum ieee80211_sa_query_action { 1929 WLAN_ACTION_SA_QUERY_REQUEST = 0, 1930 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 1931 }; 1932 1933 1934 /* cipher suite selectors */ 1935 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 1936 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 1937 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 1938 /* reserved: 0x000FAC03 */ 1939 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 1940 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 1941 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 1942 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 1943 1944 #define WLAN_CIPHER_SUITE_SMS4 0x00147201 1945 1946 /* AKM suite selectors */ 1947 #define WLAN_AKM_SUITE_8021X 0x000FAC01 1948 #define WLAN_AKM_SUITE_PSK 0x000FAC02 1949 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 1950 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 1951 #define WLAN_AKM_SUITE_TDLS 0x000FAC07 1952 #define WLAN_AKM_SUITE_SAE 0x000FAC08 1953 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 1954 1955 #define WLAN_MAX_KEY_LEN 32 1956 1957 #define WLAN_PMKID_LEN 16 1958 1959 #define WLAN_OUI_WFA 0x506f9a 1960 #define WLAN_OUI_TYPE_WFA_P2P 9 1961 #define WLAN_OUI_MICROSOFT 0x0050f2 1962 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 1963 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 1964 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 1965 1966 /* 1967 * WMM/802.11e Tspec Element 1968 */ 1969 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 1970 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 1971 1972 enum ieee80211_tspec_status_code { 1973 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 1974 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 1975 }; 1976 1977 struct ieee80211_tspec_ie { 1978 u8 element_id; 1979 u8 len; 1980 u8 oui[3]; 1981 u8 oui_type; 1982 u8 oui_subtype; 1983 u8 version; 1984 __le16 tsinfo; 1985 u8 tsinfo_resvd; 1986 __le16 nominal_msdu; 1987 __le16 max_msdu; 1988 __le32 min_service_int; 1989 __le32 max_service_int; 1990 __le32 inactivity_int; 1991 __le32 suspension_int; 1992 __le32 service_start_time; 1993 __le32 min_data_rate; 1994 __le32 mean_data_rate; 1995 __le32 peak_data_rate; 1996 __le32 max_burst_size; 1997 __le32 delay_bound; 1998 __le32 min_phy_rate; 1999 __le16 sba; 2000 __le16 medium_time; 2001 } __packed; 2002 2003 /** 2004 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2005 * @hdr: the frame 2006 * 2007 * The qos ctrl bytes come after the frame_control, duration, seq_num 2008 * and 3 or 4 addresses of length ETH_ALEN. 2009 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2010 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2011 */ 2012 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2013 { 2014 if (ieee80211_has_a4(hdr->frame_control)) 2015 return (u8 *)hdr + 30; 2016 else 2017 return (u8 *)hdr + 24; 2018 } 2019 2020 /** 2021 * ieee80211_get_SA - get pointer to SA 2022 * @hdr: the frame 2023 * 2024 * Given an 802.11 frame, this function returns the offset 2025 * to the source address (SA). It does not verify that the 2026 * header is long enough to contain the address, and the 2027 * header must be long enough to contain the frame control 2028 * field. 2029 */ 2030 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2031 { 2032 if (ieee80211_has_a4(hdr->frame_control)) 2033 return hdr->addr4; 2034 if (ieee80211_has_fromds(hdr->frame_control)) 2035 return hdr->addr3; 2036 return hdr->addr2; 2037 } 2038 2039 /** 2040 * ieee80211_get_DA - get pointer to DA 2041 * @hdr: the frame 2042 * 2043 * Given an 802.11 frame, this function returns the offset 2044 * to the destination address (DA). It does not verify that 2045 * the header is long enough to contain the address, and the 2046 * header must be long enough to contain the frame control 2047 * field. 2048 */ 2049 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2050 { 2051 if (ieee80211_has_tods(hdr->frame_control)) 2052 return hdr->addr3; 2053 else 2054 return hdr->addr1; 2055 } 2056 2057 /** 2058 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2059 * @hdr: the frame (buffer must include at least the first octet of payload) 2060 */ 2061 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2062 { 2063 if (ieee80211_is_disassoc(hdr->frame_control) || 2064 ieee80211_is_deauth(hdr->frame_control)) 2065 return true; 2066 2067 if (ieee80211_is_action(hdr->frame_control)) { 2068 u8 *category; 2069 2070 /* 2071 * Action frames, excluding Public Action frames, are Robust 2072 * Management Frames. However, if we are looking at a Protected 2073 * frame, skip the check since the data may be encrypted and 2074 * the frame has already been found to be a Robust Management 2075 * Frame (by the other end). 2076 */ 2077 if (ieee80211_has_protected(hdr->frame_control)) 2078 return true; 2079 category = ((u8 *) hdr) + 24; 2080 return *category != WLAN_CATEGORY_PUBLIC && 2081 *category != WLAN_CATEGORY_HT && 2082 *category != WLAN_CATEGORY_SELF_PROTECTED && 2083 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2084 } 2085 2086 return false; 2087 } 2088 2089 /** 2090 * ieee80211_is_public_action - check if frame is a public action frame 2091 * @hdr: the frame 2092 * @len: length of the frame 2093 */ 2094 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2095 size_t len) 2096 { 2097 struct ieee80211_mgmt *mgmt = (void *)hdr; 2098 2099 if (len < IEEE80211_MIN_ACTION_SIZE) 2100 return false; 2101 if (!ieee80211_is_action(hdr->frame_control)) 2102 return false; 2103 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2104 } 2105 2106 /** 2107 * ieee80211_dsss_chan_to_freq - get channel center frequency 2108 * @channel: the DSSS channel 2109 * 2110 * Convert IEEE802.11 DSSS channel to the center frequency (MHz). 2111 * Ref IEEE 802.11-2007 section 15.6 2112 */ 2113 static inline int ieee80211_dsss_chan_to_freq(int channel) 2114 { 2115 if ((channel > 0) && (channel < 14)) 2116 return 2407 + (channel * 5); 2117 else if (channel == 14) 2118 return 2484; 2119 else 2120 return -1; 2121 } 2122 2123 /** 2124 * ieee80211_freq_to_dsss_chan - get channel 2125 * @freq: the frequency 2126 * 2127 * Convert frequency (MHz) to IEEE802.11 DSSS channel 2128 * Ref IEEE 802.11-2007 section 15.6 2129 * 2130 * This routine selects the channel with the closest center frequency. 2131 */ 2132 static inline int ieee80211_freq_to_dsss_chan(int freq) 2133 { 2134 if ((freq >= 2410) && (freq < 2475)) 2135 return (freq - 2405) / 5; 2136 else if ((freq >= 2482) && (freq < 2487)) 2137 return 14; 2138 else 2139 return -1; 2140 } 2141 2142 /** 2143 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2144 * @tu: the TUs 2145 */ 2146 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2147 { 2148 return 1024 * tu; 2149 } 2150 2151 /** 2152 * ieee80211_check_tim - check if AID bit is set in TIM 2153 * @tim: the TIM IE 2154 * @tim_len: length of the TIM IE 2155 * @aid: the AID to look for 2156 */ 2157 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2158 u8 tim_len, u16 aid) 2159 { 2160 u8 mask; 2161 u8 index, indexn1, indexn2; 2162 2163 if (unlikely(!tim || tim_len < sizeof(*tim))) 2164 return false; 2165 2166 aid &= 0x3fff; 2167 index = aid / 8; 2168 mask = 1 << (aid & 7); 2169 2170 indexn1 = tim->bitmap_ctrl & 0xfe; 2171 indexn2 = tim_len + indexn1 - 4; 2172 2173 if (index < indexn1 || index > indexn2) 2174 return false; 2175 2176 index -= indexn1; 2177 2178 return !!(tim->virtual_map[index] & mask); 2179 } 2180 2181 #endif /* LINUX_IEEE80211_H */ 2182