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