1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * IEEE 802.11 defines 4 * 5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 6 * <jkmaline@cc.hut.fi> 7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 8 * Copyright (c) 2005, Devicescape Software, Inc. 9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> 10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH 12 * Copyright (c) 2018 - 2020 Intel Corporation 13 */ 14 15 #ifndef LINUX_IEEE80211_H 16 #define LINUX_IEEE80211_H 17 18 #include <linux/types.h> 19 #include <linux/if_ether.h> 20 #include <linux/etherdevice.h> 21 #include <asm/byteorder.h> 22 #include <asm/unaligned.h> 23 24 /* 25 * DS bit usage 26 * 27 * TA = transmitter address 28 * RA = receiver address 29 * DA = destination address 30 * SA = source address 31 * 32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 33 * ----------------------------------------------------------------- 34 * 0 0 DA SA BSSID - IBSS/DLS 35 * 0 1 DA BSSID SA - AP -> STA 36 * 1 0 BSSID SA DA - AP <- STA 37 * 1 1 RA TA DA SA unspecified (WDS) 38 */ 39 40 #define FCS_LEN 4 41 42 #define IEEE80211_FCTL_VERS 0x0003 43 #define IEEE80211_FCTL_FTYPE 0x000c 44 #define IEEE80211_FCTL_STYPE 0x00f0 45 #define IEEE80211_FCTL_TODS 0x0100 46 #define IEEE80211_FCTL_FROMDS 0x0200 47 #define IEEE80211_FCTL_MOREFRAGS 0x0400 48 #define IEEE80211_FCTL_RETRY 0x0800 49 #define IEEE80211_FCTL_PM 0x1000 50 #define IEEE80211_FCTL_MOREDATA 0x2000 51 #define IEEE80211_FCTL_PROTECTED 0x4000 52 #define IEEE80211_FCTL_ORDER 0x8000 53 #define IEEE80211_FCTL_CTL_EXT 0x0f00 54 55 #define IEEE80211_SCTL_FRAG 0x000F 56 #define IEEE80211_SCTL_SEQ 0xFFF0 57 58 #define IEEE80211_FTYPE_MGMT 0x0000 59 #define IEEE80211_FTYPE_CTL 0x0004 60 #define IEEE80211_FTYPE_DATA 0x0008 61 #define IEEE80211_FTYPE_EXT 0x000c 62 63 /* management */ 64 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 65 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 66 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 67 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 68 #define IEEE80211_STYPE_PROBE_REQ 0x0040 69 #define IEEE80211_STYPE_PROBE_RESP 0x0050 70 #define IEEE80211_STYPE_BEACON 0x0080 71 #define IEEE80211_STYPE_ATIM 0x0090 72 #define IEEE80211_STYPE_DISASSOC 0x00A0 73 #define IEEE80211_STYPE_AUTH 0x00B0 74 #define IEEE80211_STYPE_DEAUTH 0x00C0 75 #define IEEE80211_STYPE_ACTION 0x00D0 76 77 /* control */ 78 #define IEEE80211_STYPE_CTL_EXT 0x0060 79 #define IEEE80211_STYPE_BACK_REQ 0x0080 80 #define IEEE80211_STYPE_BACK 0x0090 81 #define IEEE80211_STYPE_PSPOLL 0x00A0 82 #define IEEE80211_STYPE_RTS 0x00B0 83 #define IEEE80211_STYPE_CTS 0x00C0 84 #define IEEE80211_STYPE_ACK 0x00D0 85 #define IEEE80211_STYPE_CFEND 0x00E0 86 #define IEEE80211_STYPE_CFENDACK 0x00F0 87 88 /* data */ 89 #define IEEE80211_STYPE_DATA 0x0000 90 #define IEEE80211_STYPE_DATA_CFACK 0x0010 91 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 92 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 93 #define IEEE80211_STYPE_NULLFUNC 0x0040 94 #define IEEE80211_STYPE_CFACK 0x0050 95 #define IEEE80211_STYPE_CFPOLL 0x0060 96 #define IEEE80211_STYPE_CFACKPOLL 0x0070 97 #define IEEE80211_STYPE_QOS_DATA 0x0080 98 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 101 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 102 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 103 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 104 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 105 106 /* extension, added by 802.11ad */ 107 #define IEEE80211_STYPE_DMG_BEACON 0x0000 108 #define IEEE80211_STYPE_S1G_BEACON 0x0010 109 110 /* bits unique to S1G beacon */ 111 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 112 113 /* see 802.11ah-2016 9.9 NDP CMAC frames */ 114 #define IEEE80211_S1G_1MHZ_NDP_BITS 25 115 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4 116 #define IEEE80211_S1G_2MHZ_NDP_BITS 37 117 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5 118 119 #define IEEE80211_NDP_FTYPE_CTS 0 120 #define IEEE80211_NDP_FTYPE_CF_END 0 121 #define IEEE80211_NDP_FTYPE_PS_POLL 1 122 #define IEEE80211_NDP_FTYPE_ACK 2 123 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3 124 #define IEEE80211_NDP_FTYPE_BA 4 125 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5 126 #define IEEE80211_NDP_FTYPE_PAGING 6 127 #define IEEE80211_NDP_FTYPE_PREQ 7 128 129 #define SM64(f, v) ((((u64)v) << f##_S) & f) 130 131 /* NDP CMAC frame fields */ 132 #define IEEE80211_NDP_FTYPE 0x0000000000000007 133 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000 134 135 /* 1M Probe Request 11ah 9.9.3.1.1 */ 136 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008 137 #define IEEE80211_NDP_1M_PREQ_ANO_S 3 138 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0 139 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4 140 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000 141 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20 142 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 143 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 144 /* 2M Probe Request 11ah 9.9.3.1.2 */ 145 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008 146 #define IEEE80211_NDP_2M_PREQ_ANO_S 3 147 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0 148 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4 149 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000 150 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36 151 152 #define IEEE80211_ANO_NETTYPE_WILD 15 153 154 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 155 #define IEEE80211_CTL_EXT_POLL 0x2000 156 #define IEEE80211_CTL_EXT_SPR 0x3000 157 #define IEEE80211_CTL_EXT_GRANT 0x4000 158 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 159 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 160 #define IEEE80211_CTL_EXT_SSW 0x8000 161 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 162 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 163 164 165 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 166 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 167 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 168 169 170 /* PV1 Layout 11ah 9.8.3.1 */ 171 #define IEEE80211_PV1_FCTL_VERS 0x0003 172 #define IEEE80211_PV1_FCTL_FTYPE 0x001c 173 #define IEEE80211_PV1_FCTL_STYPE 0x00e0 174 #define IEEE80211_PV1_FCTL_TODS 0x0100 175 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200 176 #define IEEE80211_PV1_FCTL_PM 0x0400 177 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800 178 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000 179 #define IEEE80211_PV1_FCTL_END_SP 0x2000 180 #define IEEE80211_PV1_FCTL_RELAYED 0x4000 181 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000 182 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00 183 184 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 185 { 186 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 187 } 188 189 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 190 { 191 return (sn1 + sn2) & IEEE80211_SN_MASK; 192 } 193 194 static inline u16 ieee80211_sn_inc(u16 sn) 195 { 196 return ieee80211_sn_add(sn, 1); 197 } 198 199 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 200 { 201 return (sn1 - sn2) & IEEE80211_SN_MASK; 202 } 203 204 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 205 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 206 207 /* miscellaneous IEEE 802.11 constants */ 208 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 209 #define IEEE80211_MAX_RTS_THRESHOLD 2353 210 #define IEEE80211_MAX_AID 2007 211 #define IEEE80211_MAX_AID_S1G 8191 212 #define IEEE80211_MAX_TIM_LEN 251 213 #define IEEE80211_MAX_MESH_PEERINGS 63 214 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 215 6.2.1.1.2. 216 217 802.11e clarifies the figure in section 7.1.2. The frame body is 218 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 219 #define IEEE80211_MAX_DATA_LEN 2304 220 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 221 * to 7920 bytes, see 8.2.3 General frame format 222 */ 223 #define IEEE80211_MAX_DATA_LEN_DMG 7920 224 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 225 #define IEEE80211_MAX_FRAME_LEN 2352 226 227 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 228 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 229 230 /* Maximal size of an A-MSDU */ 231 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 232 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 233 234 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 235 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 236 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 237 238 #define IEEE80211_MAX_SSID_LEN 32 239 240 #define IEEE80211_MAX_MESH_ID_LEN 32 241 242 #define IEEE80211_FIRST_TSPEC_TSID 8 243 #define IEEE80211_NUM_TIDS 16 244 245 /* number of user priorities 802.11 uses */ 246 #define IEEE80211_NUM_UPS 8 247 /* number of ACs */ 248 #define IEEE80211_NUM_ACS 4 249 250 #define IEEE80211_QOS_CTL_LEN 2 251 /* 1d tag mask */ 252 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 253 /* TID mask */ 254 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 255 /* EOSP */ 256 #define IEEE80211_QOS_CTL_EOSP 0x0010 257 /* ACK policy */ 258 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 259 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 260 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 261 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 262 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 263 /* A-MSDU 802.11n */ 264 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 265 /* Mesh Control 802.11s */ 266 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 267 268 /* Mesh Power Save Level */ 269 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 270 /* Mesh Receiver Service Period Initiated */ 271 #define IEEE80211_QOS_CTL_RSPI 0x0400 272 273 /* U-APSD queue for WMM IEs sent by AP */ 274 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 275 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 276 277 /* U-APSD queues for WMM IEs sent by STA */ 278 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 279 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 280 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 281 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 283 284 /* U-APSD max SP length for WMM IEs sent by STA */ 285 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 286 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 287 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 291 292 #define IEEE80211_HT_CTL_LEN 4 293 294 struct ieee80211_hdr { 295 __le16 frame_control; 296 __le16 duration_id; 297 u8 addr1[ETH_ALEN]; 298 u8 addr2[ETH_ALEN]; 299 u8 addr3[ETH_ALEN]; 300 __le16 seq_ctrl; 301 u8 addr4[ETH_ALEN]; 302 } __packed __aligned(2); 303 304 struct ieee80211_hdr_3addr { 305 __le16 frame_control; 306 __le16 duration_id; 307 u8 addr1[ETH_ALEN]; 308 u8 addr2[ETH_ALEN]; 309 u8 addr3[ETH_ALEN]; 310 __le16 seq_ctrl; 311 } __packed __aligned(2); 312 313 struct ieee80211_qos_hdr { 314 __le16 frame_control; 315 __le16 duration_id; 316 u8 addr1[ETH_ALEN]; 317 u8 addr2[ETH_ALEN]; 318 u8 addr3[ETH_ALEN]; 319 __le16 seq_ctrl; 320 __le16 qos_ctrl; 321 } __packed __aligned(2); 322 323 /** 324 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 325 * @fc: frame control bytes in little-endian byteorder 326 */ 327 static inline bool ieee80211_has_tods(__le16 fc) 328 { 329 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 330 } 331 332 /** 333 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 334 * @fc: frame control bytes in little-endian byteorder 335 */ 336 static inline bool ieee80211_has_fromds(__le16 fc) 337 { 338 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 339 } 340 341 /** 342 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 343 * @fc: frame control bytes in little-endian byteorder 344 */ 345 static inline bool ieee80211_has_a4(__le16 fc) 346 { 347 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 348 return (fc & tmp) == tmp; 349 } 350 351 /** 352 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 353 * @fc: frame control bytes in little-endian byteorder 354 */ 355 static inline bool ieee80211_has_morefrags(__le16 fc) 356 { 357 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 358 } 359 360 /** 361 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 362 * @fc: frame control bytes in little-endian byteorder 363 */ 364 static inline bool ieee80211_has_retry(__le16 fc) 365 { 366 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 367 } 368 369 /** 370 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 371 * @fc: frame control bytes in little-endian byteorder 372 */ 373 static inline bool ieee80211_has_pm(__le16 fc) 374 { 375 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 376 } 377 378 /** 379 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 380 * @fc: frame control bytes in little-endian byteorder 381 */ 382 static inline bool ieee80211_has_moredata(__le16 fc) 383 { 384 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 385 } 386 387 /** 388 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 389 * @fc: frame control bytes in little-endian byteorder 390 */ 391 static inline bool ieee80211_has_protected(__le16 fc) 392 { 393 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 394 } 395 396 /** 397 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 398 * @fc: frame control bytes in little-endian byteorder 399 */ 400 static inline bool ieee80211_has_order(__le16 fc) 401 { 402 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 403 } 404 405 /** 406 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 407 * @fc: frame control bytes in little-endian byteorder 408 */ 409 static inline bool ieee80211_is_mgmt(__le16 fc) 410 { 411 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 412 cpu_to_le16(IEEE80211_FTYPE_MGMT); 413 } 414 415 /** 416 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 417 * @fc: frame control bytes in little-endian byteorder 418 */ 419 static inline bool ieee80211_is_ctl(__le16 fc) 420 { 421 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 422 cpu_to_le16(IEEE80211_FTYPE_CTL); 423 } 424 425 /** 426 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 427 * @fc: frame control bytes in little-endian byteorder 428 */ 429 static inline bool ieee80211_is_data(__le16 fc) 430 { 431 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 432 cpu_to_le16(IEEE80211_FTYPE_DATA); 433 } 434 435 /** 436 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT 437 * @fc: frame control bytes in little-endian byteorder 438 */ 439 static inline bool ieee80211_is_ext(__le16 fc) 440 { 441 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 442 cpu_to_le16(IEEE80211_FTYPE_EXT); 443 } 444 445 446 /** 447 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 448 * @fc: frame control bytes in little-endian byteorder 449 */ 450 static inline bool ieee80211_is_data_qos(__le16 fc) 451 { 452 /* 453 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 454 * to check the one bit 455 */ 456 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 457 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 458 } 459 460 /** 461 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 462 * @fc: frame control bytes in little-endian byteorder 463 */ 464 static inline bool ieee80211_is_data_present(__le16 fc) 465 { 466 /* 467 * mask with 0x40 and test that that bit is clear to only return true 468 * for the data-containing substypes. 469 */ 470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 471 cpu_to_le16(IEEE80211_FTYPE_DATA); 472 } 473 474 /** 475 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 476 * @fc: frame control bytes in little-endian byteorder 477 */ 478 static inline bool ieee80211_is_assoc_req(__le16 fc) 479 { 480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 481 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 482 } 483 484 /** 485 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 486 * @fc: frame control bytes in little-endian byteorder 487 */ 488 static inline bool ieee80211_is_assoc_resp(__le16 fc) 489 { 490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 491 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 492 } 493 494 /** 495 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 496 * @fc: frame control bytes in little-endian byteorder 497 */ 498 static inline bool ieee80211_is_reassoc_req(__le16 fc) 499 { 500 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 501 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 502 } 503 504 /** 505 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 506 * @fc: frame control bytes in little-endian byteorder 507 */ 508 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 509 { 510 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 511 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 512 } 513 514 /** 515 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 516 * @fc: frame control bytes in little-endian byteorder 517 */ 518 static inline bool ieee80211_is_probe_req(__le16 fc) 519 { 520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 521 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 522 } 523 524 /** 525 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 526 * @fc: frame control bytes in little-endian byteorder 527 */ 528 static inline bool ieee80211_is_probe_resp(__le16 fc) 529 { 530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 531 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 532 } 533 534 /** 535 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 536 * @fc: frame control bytes in little-endian byteorder 537 */ 538 static inline bool ieee80211_is_beacon(__le16 fc) 539 { 540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 541 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 542 } 543 544 /** 545 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT && 546 * IEEE80211_STYPE_S1G_BEACON 547 * @fc: frame control bytes in little-endian byteorder 548 */ 549 static inline bool ieee80211_is_s1g_beacon(__le16 fc) 550 { 551 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 552 IEEE80211_FCTL_STYPE)) == 553 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON); 554 } 555 556 /** 557 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 558 * @fc: frame control bytes in little-endian byteorder 559 */ 560 static inline bool ieee80211_is_atim(__le16 fc) 561 { 562 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 563 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 564 } 565 566 /** 567 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 568 * @fc: frame control bytes in little-endian byteorder 569 */ 570 static inline bool ieee80211_is_disassoc(__le16 fc) 571 { 572 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 573 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 574 } 575 576 /** 577 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 578 * @fc: frame control bytes in little-endian byteorder 579 */ 580 static inline bool ieee80211_is_auth(__le16 fc) 581 { 582 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 583 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 584 } 585 586 /** 587 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 588 * @fc: frame control bytes in little-endian byteorder 589 */ 590 static inline bool ieee80211_is_deauth(__le16 fc) 591 { 592 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 593 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 594 } 595 596 /** 597 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 598 * @fc: frame control bytes in little-endian byteorder 599 */ 600 static inline bool ieee80211_is_action(__le16 fc) 601 { 602 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 603 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 604 } 605 606 /** 607 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 608 * @fc: frame control bytes in little-endian byteorder 609 */ 610 static inline bool ieee80211_is_back_req(__le16 fc) 611 { 612 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 613 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 614 } 615 616 /** 617 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 618 * @fc: frame control bytes in little-endian byteorder 619 */ 620 static inline bool ieee80211_is_back(__le16 fc) 621 { 622 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 623 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 624 } 625 626 /** 627 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 628 * @fc: frame control bytes in little-endian byteorder 629 */ 630 static inline bool ieee80211_is_pspoll(__le16 fc) 631 { 632 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 633 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 634 } 635 636 /** 637 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 638 * @fc: frame control bytes in little-endian byteorder 639 */ 640 static inline bool ieee80211_is_rts(__le16 fc) 641 { 642 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 643 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 644 } 645 646 /** 647 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 648 * @fc: frame control bytes in little-endian byteorder 649 */ 650 static inline bool ieee80211_is_cts(__le16 fc) 651 { 652 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 653 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 654 } 655 656 /** 657 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 658 * @fc: frame control bytes in little-endian byteorder 659 */ 660 static inline bool ieee80211_is_ack(__le16 fc) 661 { 662 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 663 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 664 } 665 666 /** 667 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 668 * @fc: frame control bytes in little-endian byteorder 669 */ 670 static inline bool ieee80211_is_cfend(__le16 fc) 671 { 672 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 673 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 674 } 675 676 /** 677 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 678 * @fc: frame control bytes in little-endian byteorder 679 */ 680 static inline bool ieee80211_is_cfendack(__le16 fc) 681 { 682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 683 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 684 } 685 686 /** 687 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 688 * @fc: frame control bytes in little-endian byteorder 689 */ 690 static inline bool ieee80211_is_nullfunc(__le16 fc) 691 { 692 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 693 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 694 } 695 696 /** 697 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 698 * @fc: frame control bytes in little-endian byteorder 699 */ 700 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 701 { 702 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 703 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 704 } 705 706 /** 707 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame 708 * @fc: frame control bytes in little-endian byteorder 709 */ 710 static inline bool ieee80211_is_any_nullfunc(__le16 fc) 711 { 712 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 713 } 714 715 /** 716 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 717 * @fc: frame control field in little-endian byteorder 718 */ 719 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 720 { 721 /* IEEE 802.11-2012, definition of "bufferable management frame"; 722 * note that this ignores the IBSS special case. */ 723 return ieee80211_is_mgmt(fc) && 724 (ieee80211_is_action(fc) || 725 ieee80211_is_disassoc(fc) || 726 ieee80211_is_deauth(fc)); 727 } 728 729 /** 730 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 731 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 732 */ 733 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 734 { 735 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 736 } 737 738 /** 739 * ieee80211_is_frag - check if a frame is a fragment 740 * @hdr: 802.11 header of the frame 741 */ 742 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 743 { 744 return ieee80211_has_morefrags(hdr->frame_control) || 745 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 746 } 747 748 struct ieee80211s_hdr { 749 u8 flags; 750 u8 ttl; 751 __le32 seqnum; 752 u8 eaddr1[ETH_ALEN]; 753 u8 eaddr2[ETH_ALEN]; 754 } __packed __aligned(2); 755 756 /* Mesh flags */ 757 #define MESH_FLAGS_AE_A4 0x1 758 #define MESH_FLAGS_AE_A5_A6 0x2 759 #define MESH_FLAGS_AE 0x3 760 #define MESH_FLAGS_PS_DEEP 0x4 761 762 /** 763 * enum ieee80211_preq_flags - mesh PREQ element flags 764 * 765 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 766 */ 767 enum ieee80211_preq_flags { 768 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 769 }; 770 771 /** 772 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 773 * 774 * @IEEE80211_PREQ_TO_FLAG: target only subfield 775 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 776 */ 777 enum ieee80211_preq_target_flags { 778 IEEE80211_PREQ_TO_FLAG = 1<<0, 779 IEEE80211_PREQ_USN_FLAG = 1<<2, 780 }; 781 782 /** 783 * struct ieee80211_quiet_ie 784 * 785 * This structure refers to "Quiet information element" 786 */ 787 struct ieee80211_quiet_ie { 788 u8 count; 789 u8 period; 790 __le16 duration; 791 __le16 offset; 792 } __packed; 793 794 /** 795 * struct ieee80211_msrment_ie 796 * 797 * This structure refers to "Measurement Request/Report information element" 798 */ 799 struct ieee80211_msrment_ie { 800 u8 token; 801 u8 mode; 802 u8 type; 803 u8 request[]; 804 } __packed; 805 806 /** 807 * struct ieee80211_channel_sw_ie 808 * 809 * This structure refers to "Channel Switch Announcement information element" 810 */ 811 struct ieee80211_channel_sw_ie { 812 u8 mode; 813 u8 new_ch_num; 814 u8 count; 815 } __packed; 816 817 /** 818 * struct ieee80211_ext_chansw_ie 819 * 820 * This structure represents the "Extended Channel Switch Announcement element" 821 */ 822 struct ieee80211_ext_chansw_ie { 823 u8 mode; 824 u8 new_operating_class; 825 u8 new_ch_num; 826 u8 count; 827 } __packed; 828 829 /** 830 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 831 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 832 * values here 833 * This structure represents the "Secondary Channel Offset element" 834 */ 835 struct ieee80211_sec_chan_offs_ie { 836 u8 sec_chan_offs; 837 } __packed; 838 839 /** 840 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 841 * 842 * This structure represents the "Mesh Channel Switch Paramters element" 843 */ 844 struct ieee80211_mesh_chansw_params_ie { 845 u8 mesh_ttl; 846 u8 mesh_flags; 847 __le16 mesh_reason; 848 __le16 mesh_pre_value; 849 } __packed; 850 851 /** 852 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 853 */ 854 struct ieee80211_wide_bw_chansw_ie { 855 u8 new_channel_width; 856 u8 new_center_freq_seg0, new_center_freq_seg1; 857 } __packed; 858 859 /** 860 * struct ieee80211_tim 861 * 862 * This structure refers to "Traffic Indication Map information element" 863 */ 864 struct ieee80211_tim_ie { 865 u8 dtim_count; 866 u8 dtim_period; 867 u8 bitmap_ctrl; 868 /* variable size: 1 - 251 bytes */ 869 u8 virtual_map[1]; 870 } __packed; 871 872 /** 873 * struct ieee80211_meshconf_ie 874 * 875 * This structure refers to "Mesh Configuration information element" 876 */ 877 struct ieee80211_meshconf_ie { 878 u8 meshconf_psel; 879 u8 meshconf_pmetric; 880 u8 meshconf_congest; 881 u8 meshconf_synch; 882 u8 meshconf_auth; 883 u8 meshconf_form; 884 u8 meshconf_cap; 885 } __packed; 886 887 /** 888 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 889 * 890 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 891 * additional mesh peerings with other mesh STAs 892 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 893 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 894 * is ongoing 895 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 896 * neighbors in deep sleep mode 897 */ 898 enum mesh_config_capab_flags { 899 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 900 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 901 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 902 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 903 }; 904 905 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 906 907 /** 908 * mesh channel switch parameters element's flag indicator 909 * 910 */ 911 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 912 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 913 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 914 915 /** 916 * struct ieee80211_rann_ie 917 * 918 * This structure refers to "Root Announcement information element" 919 */ 920 struct ieee80211_rann_ie { 921 u8 rann_flags; 922 u8 rann_hopcount; 923 u8 rann_ttl; 924 u8 rann_addr[ETH_ALEN]; 925 __le32 rann_seq; 926 __le32 rann_interval; 927 __le32 rann_metric; 928 } __packed; 929 930 enum ieee80211_rann_flags { 931 RANN_FLAG_IS_GATE = 1 << 0, 932 }; 933 934 enum ieee80211_ht_chanwidth_values { 935 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 936 IEEE80211_HT_CHANWIDTH_ANY = 1, 937 }; 938 939 /** 940 * enum ieee80211_opmode_bits - VHT operating mode field bits 941 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 942 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 943 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 944 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 945 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 946 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag 947 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 948 * (the NSS value is the value of this field + 1) 949 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 950 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 951 * using a beamforming steering matrix 952 */ 953 enum ieee80211_vht_opmode_bits { 954 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03, 955 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 956 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 957 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 958 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 959 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04, 960 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 961 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 962 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 963 }; 964 965 #define WLAN_SA_QUERY_TR_ID_LEN 2 966 #define WLAN_MEMBERSHIP_LEN 8 967 #define WLAN_USER_POSITION_LEN 16 968 969 /** 970 * struct ieee80211_tpc_report_ie 971 * 972 * This structure refers to "TPC Report element" 973 */ 974 struct ieee80211_tpc_report_ie { 975 u8 tx_power; 976 u8 link_margin; 977 } __packed; 978 979 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) 980 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 981 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) 982 983 struct ieee80211_addba_ext_ie { 984 u8 data; 985 } __packed; 986 987 /** 988 * struct ieee80211_s1g_bcn_compat_ie 989 * 990 * S1G Beacon Compatibility element 991 */ 992 struct ieee80211_s1g_bcn_compat_ie { 993 __le16 compat_info; 994 __le16 beacon_int; 995 __le32 tsf_completion; 996 } __packed; 997 998 /** 999 * struct ieee80211_s1g_oper_ie 1000 * 1001 * S1G Operation element 1002 */ 1003 struct ieee80211_s1g_oper_ie { 1004 u8 ch_width; 1005 u8 oper_class; 1006 u8 primary_ch; 1007 u8 oper_ch; 1008 __le16 basic_mcs_nss; 1009 } __packed; 1010 1011 /** 1012 * struct ieee80211_aid_response_ie 1013 * 1014 * AID Response element 1015 */ 1016 struct ieee80211_aid_response_ie { 1017 __le16 aid; 1018 u8 switch_count; 1019 __le16 response_int; 1020 } __packed; 1021 1022 struct ieee80211_s1g_cap { 1023 u8 capab_info[10]; 1024 u8 supp_mcs_nss[5]; 1025 } __packed; 1026 1027 struct ieee80211_ext { 1028 __le16 frame_control; 1029 __le16 duration; 1030 union { 1031 struct { 1032 u8 sa[ETH_ALEN]; 1033 __le32 timestamp; 1034 u8 change_seq; 1035 u8 variable[0]; 1036 } __packed s1g_beacon; 1037 } u; 1038 } __packed __aligned(2); 1039 1040 struct ieee80211_mgmt { 1041 __le16 frame_control; 1042 __le16 duration; 1043 u8 da[ETH_ALEN]; 1044 u8 sa[ETH_ALEN]; 1045 u8 bssid[ETH_ALEN]; 1046 __le16 seq_ctrl; 1047 union { 1048 struct { 1049 __le16 auth_alg; 1050 __le16 auth_transaction; 1051 __le16 status_code; 1052 /* possibly followed by Challenge text */ 1053 u8 variable[0]; 1054 } __packed auth; 1055 struct { 1056 __le16 reason_code; 1057 } __packed deauth; 1058 struct { 1059 __le16 capab_info; 1060 __le16 listen_interval; 1061 /* followed by SSID and Supported rates */ 1062 u8 variable[0]; 1063 } __packed assoc_req; 1064 struct { 1065 __le16 capab_info; 1066 __le16 status_code; 1067 __le16 aid; 1068 /* followed by Supported rates */ 1069 u8 variable[0]; 1070 } __packed assoc_resp, reassoc_resp; 1071 struct { 1072 __le16 capab_info; 1073 __le16 listen_interval; 1074 u8 current_ap[ETH_ALEN]; 1075 /* followed by SSID and Supported rates */ 1076 u8 variable[0]; 1077 } __packed reassoc_req; 1078 struct { 1079 __le16 reason_code; 1080 } __packed disassoc; 1081 struct { 1082 __le64 timestamp; 1083 __le16 beacon_int; 1084 __le16 capab_info; 1085 /* followed by some of SSID, Supported rates, 1086 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 1087 u8 variable[0]; 1088 } __packed beacon; 1089 struct { 1090 /* only variable items: SSID, Supported rates */ 1091 u8 variable[0]; 1092 } __packed probe_req; 1093 struct { 1094 __le64 timestamp; 1095 __le16 beacon_int; 1096 __le16 capab_info; 1097 /* followed by some of SSID, Supported rates, 1098 * FH Params, DS Params, CF Params, IBSS Params */ 1099 u8 variable[0]; 1100 } __packed probe_resp; 1101 struct { 1102 u8 category; 1103 union { 1104 struct { 1105 u8 action_code; 1106 u8 dialog_token; 1107 u8 status_code; 1108 u8 variable[0]; 1109 } __packed wme_action; 1110 struct{ 1111 u8 action_code; 1112 u8 variable[0]; 1113 } __packed chan_switch; 1114 struct{ 1115 u8 action_code; 1116 struct ieee80211_ext_chansw_ie data; 1117 u8 variable[0]; 1118 } __packed ext_chan_switch; 1119 struct{ 1120 u8 action_code; 1121 u8 dialog_token; 1122 u8 element_id; 1123 u8 length; 1124 struct ieee80211_msrment_ie msr_elem; 1125 } __packed measurement; 1126 struct{ 1127 u8 action_code; 1128 u8 dialog_token; 1129 __le16 capab; 1130 __le16 timeout; 1131 __le16 start_seq_num; 1132 /* followed by BA Extension */ 1133 u8 variable[0]; 1134 } __packed addba_req; 1135 struct{ 1136 u8 action_code; 1137 u8 dialog_token; 1138 __le16 status; 1139 __le16 capab; 1140 __le16 timeout; 1141 } __packed addba_resp; 1142 struct{ 1143 u8 action_code; 1144 __le16 params; 1145 __le16 reason_code; 1146 } __packed delba; 1147 struct { 1148 u8 action_code; 1149 u8 variable[0]; 1150 } __packed self_prot; 1151 struct{ 1152 u8 action_code; 1153 u8 variable[0]; 1154 } __packed mesh_action; 1155 struct { 1156 u8 action; 1157 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1158 } __packed sa_query; 1159 struct { 1160 u8 action; 1161 u8 smps_control; 1162 } __packed ht_smps; 1163 struct { 1164 u8 action_code; 1165 u8 chanwidth; 1166 } __packed ht_notify_cw; 1167 struct { 1168 u8 action_code; 1169 u8 dialog_token; 1170 __le16 capability; 1171 u8 variable[0]; 1172 } __packed tdls_discover_resp; 1173 struct { 1174 u8 action_code; 1175 u8 operating_mode; 1176 } __packed vht_opmode_notif; 1177 struct { 1178 u8 action_code; 1179 u8 membership[WLAN_MEMBERSHIP_LEN]; 1180 u8 position[WLAN_USER_POSITION_LEN]; 1181 } __packed vht_group_notif; 1182 struct { 1183 u8 action_code; 1184 u8 dialog_token; 1185 u8 tpc_elem_id; 1186 u8 tpc_elem_length; 1187 struct ieee80211_tpc_report_ie tpc; 1188 } __packed tpc_report; 1189 struct { 1190 u8 action_code; 1191 u8 dialog_token; 1192 u8 follow_up; 1193 u8 tod[6]; 1194 u8 toa[6]; 1195 __le16 tod_error; 1196 __le16 toa_error; 1197 u8 variable[0]; 1198 } __packed ftm; 1199 } u; 1200 } __packed action; 1201 } u; 1202 } __packed __aligned(2); 1203 1204 /* Supported rates membership selectors */ 1205 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1206 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1207 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122 1208 1209 /* mgmt header + 1 byte category code */ 1210 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1211 1212 1213 /* Management MIC information element (IEEE 802.11w) */ 1214 struct ieee80211_mmie { 1215 u8 element_id; 1216 u8 length; 1217 __le16 key_id; 1218 u8 sequence_number[6]; 1219 u8 mic[8]; 1220 } __packed; 1221 1222 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1223 struct ieee80211_mmie_16 { 1224 u8 element_id; 1225 u8 length; 1226 __le16 key_id; 1227 u8 sequence_number[6]; 1228 u8 mic[16]; 1229 } __packed; 1230 1231 struct ieee80211_vendor_ie { 1232 u8 element_id; 1233 u8 len; 1234 u8 oui[3]; 1235 u8 oui_type; 1236 } __packed; 1237 1238 struct ieee80211_wmm_ac_param { 1239 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1240 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1241 __le16 txop_limit; 1242 } __packed; 1243 1244 struct ieee80211_wmm_param_ie { 1245 u8 element_id; /* Element ID: 221 (0xdd); */ 1246 u8 len; /* Length: 24 */ 1247 /* required fields for WMM version 1 */ 1248 u8 oui[3]; /* 00:50:f2 */ 1249 u8 oui_type; /* 2 */ 1250 u8 oui_subtype; /* 1 */ 1251 u8 version; /* 1 for WMM version 1.0 */ 1252 u8 qos_info; /* AP/STA specific QoS info */ 1253 u8 reserved; /* 0 */ 1254 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1255 struct ieee80211_wmm_ac_param ac[4]; 1256 } __packed; 1257 1258 /* Control frames */ 1259 struct ieee80211_rts { 1260 __le16 frame_control; 1261 __le16 duration; 1262 u8 ra[ETH_ALEN]; 1263 u8 ta[ETH_ALEN]; 1264 } __packed __aligned(2); 1265 1266 struct ieee80211_cts { 1267 __le16 frame_control; 1268 __le16 duration; 1269 u8 ra[ETH_ALEN]; 1270 } __packed __aligned(2); 1271 1272 struct ieee80211_pspoll { 1273 __le16 frame_control; 1274 __le16 aid; 1275 u8 bssid[ETH_ALEN]; 1276 u8 ta[ETH_ALEN]; 1277 } __packed __aligned(2); 1278 1279 /* TDLS */ 1280 1281 /* Channel switch timing */ 1282 struct ieee80211_ch_switch_timing { 1283 __le16 switch_time; 1284 __le16 switch_timeout; 1285 } __packed; 1286 1287 /* Link-id information element */ 1288 struct ieee80211_tdls_lnkie { 1289 u8 ie_type; /* Link Identifier IE */ 1290 u8 ie_len; 1291 u8 bssid[ETH_ALEN]; 1292 u8 init_sta[ETH_ALEN]; 1293 u8 resp_sta[ETH_ALEN]; 1294 } __packed; 1295 1296 struct ieee80211_tdls_data { 1297 u8 da[ETH_ALEN]; 1298 u8 sa[ETH_ALEN]; 1299 __be16 ether_type; 1300 u8 payload_type; 1301 u8 category; 1302 u8 action_code; 1303 union { 1304 struct { 1305 u8 dialog_token; 1306 __le16 capability; 1307 u8 variable[0]; 1308 } __packed setup_req; 1309 struct { 1310 __le16 status_code; 1311 u8 dialog_token; 1312 __le16 capability; 1313 u8 variable[0]; 1314 } __packed setup_resp; 1315 struct { 1316 __le16 status_code; 1317 u8 dialog_token; 1318 u8 variable[0]; 1319 } __packed setup_cfm; 1320 struct { 1321 __le16 reason_code; 1322 u8 variable[0]; 1323 } __packed teardown; 1324 struct { 1325 u8 dialog_token; 1326 u8 variable[0]; 1327 } __packed discover_req; 1328 struct { 1329 u8 target_channel; 1330 u8 oper_class; 1331 u8 variable[0]; 1332 } __packed chan_switch_req; 1333 struct { 1334 __le16 status_code; 1335 u8 variable[0]; 1336 } __packed chan_switch_resp; 1337 } u; 1338 } __packed; 1339 1340 /* 1341 * Peer-to-Peer IE attribute related definitions. 1342 */ 1343 /** 1344 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1345 */ 1346 enum ieee80211_p2p_attr_id { 1347 IEEE80211_P2P_ATTR_STATUS = 0, 1348 IEEE80211_P2P_ATTR_MINOR_REASON, 1349 IEEE80211_P2P_ATTR_CAPABILITY, 1350 IEEE80211_P2P_ATTR_DEVICE_ID, 1351 IEEE80211_P2P_ATTR_GO_INTENT, 1352 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1353 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1354 IEEE80211_P2P_ATTR_GROUP_BSSID, 1355 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1356 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1357 IEEE80211_P2P_ATTR_MANAGABILITY, 1358 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1359 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1360 IEEE80211_P2P_ATTR_DEVICE_INFO, 1361 IEEE80211_P2P_ATTR_GROUP_INFO, 1362 IEEE80211_P2P_ATTR_GROUP_ID, 1363 IEEE80211_P2P_ATTR_INTERFACE, 1364 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1365 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1366 /* 19 - 220: Reserved */ 1367 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1368 1369 IEEE80211_P2P_ATTR_MAX 1370 }; 1371 1372 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1373 /* Typical max value used here */ 1374 #define IEEE80211_P2P_NOA_DESC_MAX 4 1375 1376 struct ieee80211_p2p_noa_desc { 1377 u8 count; 1378 __le32 duration; 1379 __le32 interval; 1380 __le32 start_time; 1381 } __packed; 1382 1383 struct ieee80211_p2p_noa_attr { 1384 u8 index; 1385 u8 oppps_ctwindow; 1386 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1387 } __packed; 1388 1389 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1390 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1391 1392 /** 1393 * struct ieee80211_bar - HT Block Ack Request 1394 * 1395 * This structure refers to "HT BlockAckReq" as 1396 * described in 802.11n draft section 7.2.1.7.1 1397 */ 1398 struct ieee80211_bar { 1399 __le16 frame_control; 1400 __le16 duration; 1401 __u8 ra[ETH_ALEN]; 1402 __u8 ta[ETH_ALEN]; 1403 __le16 control; 1404 __le16 start_seq_num; 1405 } __packed; 1406 1407 /* 802.11 BAR control masks */ 1408 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1409 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1410 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1411 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1412 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1413 1414 #define IEEE80211_HT_MCS_MASK_LEN 10 1415 1416 /** 1417 * struct ieee80211_mcs_info - MCS information 1418 * @rx_mask: RX mask 1419 * @rx_highest: highest supported RX rate. If set represents 1420 * the highest supported RX data rate in units of 1 Mbps. 1421 * If this field is 0 this value should not be used to 1422 * consider the highest RX data rate supported. 1423 * @tx_params: TX parameters 1424 */ 1425 struct ieee80211_mcs_info { 1426 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1427 __le16 rx_highest; 1428 u8 tx_params; 1429 u8 reserved[3]; 1430 } __packed; 1431 1432 /* 802.11n HT capability MSC set */ 1433 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1434 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1435 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1436 /* value 0 == 1 stream etc */ 1437 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1438 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1439 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1440 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1441 1442 /* 1443 * 802.11n D5.0 20.3.5 / 20.6 says: 1444 * - indices 0 to 7 and 32 are single spatial stream 1445 * - 8 to 31 are multiple spatial streams using equal modulation 1446 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1447 * - remainder are multiple spatial streams using unequal modulation 1448 */ 1449 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1450 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1451 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1452 1453 /** 1454 * struct ieee80211_ht_cap - HT capabilities 1455 * 1456 * This structure is the "HT capabilities element" as 1457 * described in 802.11n D5.0 7.3.2.57 1458 */ 1459 struct ieee80211_ht_cap { 1460 __le16 cap_info; 1461 u8 ampdu_params_info; 1462 1463 /* 16 bytes MCS information */ 1464 struct ieee80211_mcs_info mcs; 1465 1466 __le16 extended_ht_cap_info; 1467 __le32 tx_BF_cap_info; 1468 u8 antenna_selection_info; 1469 } __packed; 1470 1471 /* 802.11n HT capabilities masks (for cap_info) */ 1472 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1473 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1474 #define IEEE80211_HT_CAP_SM_PS 0x000C 1475 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1476 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1477 #define IEEE80211_HT_CAP_SGI_20 0x0020 1478 #define IEEE80211_HT_CAP_SGI_40 0x0040 1479 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1480 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1481 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1482 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1483 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1484 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1485 #define IEEE80211_HT_CAP_RESERVED 0x2000 1486 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1487 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1488 1489 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1490 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1491 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1492 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1493 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1494 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1495 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1496 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1497 1498 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1499 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1500 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1501 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1502 1503 /* 1504 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1505 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1506 */ 1507 enum ieee80211_max_ampdu_length_exp { 1508 IEEE80211_HT_MAX_AMPDU_8K = 0, 1509 IEEE80211_HT_MAX_AMPDU_16K = 1, 1510 IEEE80211_HT_MAX_AMPDU_32K = 2, 1511 IEEE80211_HT_MAX_AMPDU_64K = 3 1512 }; 1513 1514 /* 1515 * Maximum length of AMPDU that the STA can receive in VHT. 1516 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1517 */ 1518 enum ieee80211_vht_max_ampdu_length_exp { 1519 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1520 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1521 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1522 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1523 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1524 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1525 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1526 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1527 }; 1528 1529 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1530 1531 /* Minimum MPDU start spacing */ 1532 enum ieee80211_min_mpdu_spacing { 1533 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1534 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1535 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1536 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1537 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1538 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1539 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1540 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1541 }; 1542 1543 /** 1544 * struct ieee80211_ht_operation - HT operation IE 1545 * 1546 * This structure is the "HT operation element" as 1547 * described in 802.11n-2009 7.3.2.57 1548 */ 1549 struct ieee80211_ht_operation { 1550 u8 primary_chan; 1551 u8 ht_param; 1552 __le16 operation_mode; 1553 __le16 stbc_param; 1554 u8 basic_set[16]; 1555 } __packed; 1556 1557 /* for ht_param */ 1558 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1559 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1560 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1561 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1562 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1563 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1564 1565 /* for operation_mode */ 1566 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1567 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1568 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1569 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1570 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1571 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1572 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1573 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1574 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1575 1576 /* for stbc_param */ 1577 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1578 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1579 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1580 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1581 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1582 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1583 1584 1585 /* block-ack parameters */ 1586 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1587 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1588 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1589 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1590 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1591 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1592 1593 /* 1594 * A-MPDU buffer sizes 1595 * According to HT size varies from 8 to 64 frames 1596 * HE adds the ability to have up to 256 frames. 1597 */ 1598 #define IEEE80211_MIN_AMPDU_BUF 0x8 1599 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1600 #define IEEE80211_MAX_AMPDU_BUF 0x100 1601 1602 1603 /* Spatial Multiplexing Power Save Modes (for capability) */ 1604 #define WLAN_HT_CAP_SM_PS_STATIC 0 1605 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1606 #define WLAN_HT_CAP_SM_PS_INVALID 2 1607 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1608 1609 /* for SM power control field lower two bits */ 1610 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1611 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1612 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1613 1614 /** 1615 * struct ieee80211_vht_mcs_info - VHT MCS information 1616 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1617 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1618 * STA can receive. Rate expressed in units of 1 Mbps. 1619 * If this field is 0 this value should not be used to 1620 * consider the highest RX data rate supported. 1621 * The top 3 bits of this field indicate the Maximum NSTS,total 1622 * (a beamformee capability.) 1623 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1624 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1625 * STA can transmit. Rate expressed in units of 1 Mbps. 1626 * If this field is 0 this value should not be used to 1627 * consider the highest TX data rate supported. 1628 * The top 2 bits of this field are reserved, the 1629 * 3rd bit from the top indiciates VHT Extended NSS BW 1630 * Capability. 1631 */ 1632 struct ieee80211_vht_mcs_info { 1633 __le16 rx_mcs_map; 1634 __le16 rx_highest; 1635 __le16 tx_mcs_map; 1636 __le16 tx_highest; 1637 } __packed; 1638 1639 /* for rx_highest */ 1640 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 1641 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 1642 1643 /* for tx_highest */ 1644 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 1645 1646 /** 1647 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1648 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1649 * number of streams 1650 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1651 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1652 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1653 * 1654 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1655 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1656 * both split into 8 subfields by number of streams. These values indicate 1657 * which MCSes are supported for the number of streams the value appears 1658 * for. 1659 */ 1660 enum ieee80211_vht_mcs_support { 1661 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1662 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1663 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1664 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1665 }; 1666 1667 /** 1668 * struct ieee80211_vht_cap - VHT capabilities 1669 * 1670 * This structure is the "VHT capabilities element" as 1671 * described in 802.11ac D3.0 8.4.2.160 1672 * @vht_cap_info: VHT capability info 1673 * @supp_mcs: VHT MCS supported rates 1674 */ 1675 struct ieee80211_vht_cap { 1676 __le32 vht_cap_info; 1677 struct ieee80211_vht_mcs_info supp_mcs; 1678 } __packed; 1679 1680 /** 1681 * enum ieee80211_vht_chanwidth - VHT channel width 1682 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1683 * determine the channel width (20 or 40 MHz) 1684 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1685 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1686 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1687 */ 1688 enum ieee80211_vht_chanwidth { 1689 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1690 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1691 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1692 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1693 }; 1694 1695 /** 1696 * struct ieee80211_vht_operation - VHT operation IE 1697 * 1698 * This structure is the "VHT operation element" as 1699 * described in 802.11ac D3.0 8.4.2.161 1700 * @chan_width: Operating channel width 1701 * @center_freq_seg0_idx: center freq segment 0 index 1702 * @center_freq_seg1_idx: center freq segment 1 index 1703 * @basic_mcs_set: VHT Basic MCS rate set 1704 */ 1705 struct ieee80211_vht_operation { 1706 u8 chan_width; 1707 u8 center_freq_seg0_idx; 1708 u8 center_freq_seg1_idx; 1709 __le16 basic_mcs_set; 1710 } __packed; 1711 1712 /** 1713 * struct ieee80211_he_cap_elem - HE capabilities element 1714 * 1715 * This structure is the "HE capabilities element" fixed fields as 1716 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3 1717 */ 1718 struct ieee80211_he_cap_elem { 1719 u8 mac_cap_info[6]; 1720 u8 phy_cap_info[11]; 1721 } __packed; 1722 1723 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 1724 1725 /** 1726 * enum ieee80211_he_mcs_support - HE MCS support definitions 1727 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1728 * number of streams 1729 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1730 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 1731 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 1732 * 1733 * These definitions are used in each 2-bit subfield of the rx_mcs_* 1734 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 1735 * both split into 8 subfields by number of streams. These values indicate 1736 * which MCSes are supported for the number of streams the value appears 1737 * for. 1738 */ 1739 enum ieee80211_he_mcs_support { 1740 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 1741 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 1742 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 1743 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 1744 }; 1745 1746 /** 1747 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 1748 * 1749 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 1750 * described in P802.11ax_D2.0 section 9.4.2.237.4 1751 * 1752 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1753 * widths less than 80MHz. 1754 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1755 * widths less than 80MHz. 1756 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1757 * width 160MHz. 1758 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1759 * width 160MHz. 1760 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 1761 * channel width 80p80MHz. 1762 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 1763 * channel width 80p80MHz. 1764 */ 1765 struct ieee80211_he_mcs_nss_supp { 1766 __le16 rx_mcs_80; 1767 __le16 tx_mcs_80; 1768 __le16 rx_mcs_160; 1769 __le16 tx_mcs_160; 1770 __le16 rx_mcs_80p80; 1771 __le16 tx_mcs_80p80; 1772 } __packed; 1773 1774 /** 1775 * struct ieee80211_he_operation - HE capabilities element 1776 * 1777 * This structure is the "HE operation element" fields as 1778 * described in P802.11ax_D4.0 section 9.4.2.243 1779 */ 1780 struct ieee80211_he_operation { 1781 __le32 he_oper_params; 1782 __le16 he_mcs_nss_set; 1783 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */ 1784 u8 optional[]; 1785 } __packed; 1786 1787 /** 1788 * struct ieee80211_he_spr - HE spatial reuse element 1789 * 1790 * This structure is the "HE spatial reuse element" element as 1791 * described in P802.11ax_D4.0 section 9.4.2.241 1792 */ 1793 struct ieee80211_he_spr { 1794 u8 he_sr_control; 1795 /* Optional 0 to 19 bytes: depends on @he_sr_control */ 1796 u8 optional[]; 1797 } __packed; 1798 1799 /** 1800 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 1801 * 1802 * This structure is the "MU AC Parameter Record" fields as 1803 * described in P802.11ax_D4.0 section 9.4.2.245 1804 */ 1805 struct ieee80211_he_mu_edca_param_ac_rec { 1806 u8 aifsn; 1807 u8 ecw_min_max; 1808 u8 mu_edca_timer; 1809 } __packed; 1810 1811 /** 1812 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 1813 * 1814 * This structure is the "MU EDCA Parameter Set element" fields as 1815 * described in P802.11ax_D4.0 section 9.4.2.245 1816 */ 1817 struct ieee80211_mu_edca_param_set { 1818 u8 mu_qos_info; 1819 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 1820 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 1821 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 1822 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 1823 } __packed; 1824 1825 /* 802.11ac VHT Capabilities */ 1826 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1827 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1828 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1829 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1830 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1831 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1832 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1833 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 1834 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1835 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1836 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1837 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1838 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1839 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1840 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1841 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1842 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1843 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 1844 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1845 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1846 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1847 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1848 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1849 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1850 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1851 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1852 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1853 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1854 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1855 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1856 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1857 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1858 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1859 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1860 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1861 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1862 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1863 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 1864 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 1865 1866 /** 1867 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 1868 * @cap: VHT capabilities of the peer 1869 * @bw: bandwidth to use 1870 * @mcs: MCS index to use 1871 * @ext_nss_bw_capable: indicates whether or not the local transmitter 1872 * (rate scaling algorithm) can deal with the new logic 1873 * (dot11VHTExtendedNSSBWCapable) 1874 * @max_vht_nss: current maximum NSS as advertised by the STA in 1875 * operating mode notification, can be 0 in which case the 1876 * capability data will be used to derive this (from MCS support) 1877 * 1878 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 1879 * vary for a given BW/MCS. This function parses the data. 1880 * 1881 * Note: This function is exported by cfg80211. 1882 */ 1883 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 1884 enum ieee80211_vht_chanwidth bw, 1885 int mcs, bool ext_nss_bw_capable, 1886 unsigned int max_vht_nss); 1887 1888 /* 802.11ax HE MAC capabilities */ 1889 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 1890 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 1891 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 1892 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 1893 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 1894 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 1895 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 1896 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 1897 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 1898 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 1899 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 1900 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 1901 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 1902 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 1903 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 1904 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 1905 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 1906 1907 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 1908 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 1909 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 1910 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 1911 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 1912 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 1913 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 1914 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 1915 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 1916 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 1917 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 1918 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 1919 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 1920 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 1921 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 1922 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 1923 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 1924 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 1925 1926 /* Link adaptation is split between byte HE_MAC_CAP1 and 1927 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 1928 * in which case the following values apply: 1929 * 0 = No feedback. 1930 * 1 = reserved. 1931 * 2 = Unsolicited feedback. 1932 * 3 = both 1933 */ 1934 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 1935 1936 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 1937 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 1938 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 1939 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 1940 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 1941 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 1942 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 1943 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 1944 1945 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 1946 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 1947 1948 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 1949 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 1950 * same field in the HE capabilities. 1951 */ 1952 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00 1953 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08 1954 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10 1955 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18 1956 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 1957 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 1958 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 1959 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 1960 1961 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT 3 1962 1963 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 1964 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 1965 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 1966 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08 1967 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 1968 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 1969 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40 1970 /* Multi TID agg TX is split between byte #4 and #5 1971 * The value is a combination of B39,B40,B41 1972 */ 1973 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 1974 1975 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 1976 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 1977 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04 1978 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 1979 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 1980 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 1981 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 1982 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 1983 1984 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 1985 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 1986 1987 /* 802.11ax HE PHY capabilities */ 1988 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 1989 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 1990 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 1991 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 1992 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 1993 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 1994 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 1995 1996 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 1997 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 1998 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 1999 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 2000 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 2001 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 2002 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 2003 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 2004 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 2005 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 2006 2007 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 2008 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 2009 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 2010 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 2011 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 2012 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 2013 2014 /* Note that the meaning of UL MU below is different between an AP and a non-AP 2015 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 2016 * case it indicates support for Tx. 2017 */ 2018 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 2019 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 2020 2021 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 2022 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 2023 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 2024 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 2025 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 2026 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 2027 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 2028 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 2029 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 2030 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 2031 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 2032 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 2033 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 2034 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 2035 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40 2036 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 2037 2038 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 2039 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 2040 2041 /* Minimal allowed value of Max STS under 80MHz is 3 */ 2042 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 2043 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 2044 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 2045 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 2046 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 2047 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 2048 2049 /* Minimal allowed value of Max STS above 80MHz is 3 */ 2050 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 2051 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 2052 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 2053 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 2054 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 2055 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 2056 2057 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 2058 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 2059 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 2060 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 2061 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 2062 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 2063 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 2064 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 2065 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 2066 2067 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 2068 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 2069 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 2070 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 2071 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 2072 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 2073 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 2074 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 2075 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 2076 2077 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 2078 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 2079 2080 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 2081 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 2082 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04 2083 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08 2084 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 2085 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 2086 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 2087 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 2088 2089 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01 2090 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02 2091 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 2092 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 2093 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 2094 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 2095 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 2096 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 2097 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 2098 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 2099 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 2100 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 2101 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 2102 2103 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 2104 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 2105 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 2106 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 2107 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 2108 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 2109 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 2110 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 2111 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 2112 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 2113 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 2114 2115 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 2116 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 2117 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 2118 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 2119 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 2120 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 2121 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00 2122 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40 2123 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80 2124 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0 2125 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0 2126 2127 /* 802.11ax HE TX/RX MCS NSS Support */ 2128 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 2129 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 2130 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 2131 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 2132 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 2133 2134 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 2135 enum ieee80211_he_highest_mcs_supported_subfield_enc { 2136 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 2137 HIGHEST_MCS_SUPPORTED_MCS8, 2138 HIGHEST_MCS_SUPPORTED_MCS9, 2139 HIGHEST_MCS_SUPPORTED_MCS10, 2140 HIGHEST_MCS_SUPPORTED_MCS11, 2141 }; 2142 2143 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 2144 static inline u8 2145 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 2146 { 2147 u8 count = 4; 2148 2149 if (he_cap->phy_cap_info[0] & 2150 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2151 count += 4; 2152 2153 if (he_cap->phy_cap_info[0] & 2154 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2155 count += 4; 2156 2157 return count; 2158 } 2159 2160 /* 802.11ax HE PPE Thresholds */ 2161 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 2162 #define IEEE80211_PPE_THRES_NSS_POS (0) 2163 #define IEEE80211_PPE_THRES_NSS_MASK (7) 2164 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 2165 (BIT(5) | BIT(6)) 2166 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 2167 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 2168 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 2169 2170 /* 2171 * Calculate 802.11ax HE capabilities IE PPE field size 2172 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 2173 */ 2174 static inline u8 2175 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 2176 { 2177 u8 n; 2178 2179 if ((phy_cap_info[6] & 2180 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 2181 return 0; 2182 2183 n = hweight8(ppe_thres_hdr & 2184 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2185 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2186 IEEE80211_PPE_THRES_NSS_POS)); 2187 2188 /* 2189 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2190 * total size. 2191 */ 2192 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2193 n = DIV_ROUND_UP(n, 8); 2194 2195 return n; 2196 } 2197 2198 /* HE Operation defines */ 2199 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007 2200 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2201 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2202 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2203 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2204 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 2205 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2206 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 2207 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2208 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2209 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2210 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2211 2212 /** 2213 * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field 2214 * @primary: primary channel 2215 * @control: control flags 2216 * @ccfs0: channel center frequency segment 0 2217 * @ccfs1: channel center frequency segment 1 2218 * @minrate: minimum rate (in 1 Mbps units) 2219 */ 2220 struct ieee80211_he_6ghz_oper { 2221 u8 primary; 2222 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3 2223 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0 2224 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1 2225 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2 2226 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3 2227 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4 2228 u8 control; 2229 u8 ccfs0; 2230 u8 ccfs1; 2231 u8 minrate; 2232 } __packed; 2233 2234 /* 2235 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2236 * @he_oper_ie: byte data of the He Operations IE, stating from the byte 2237 * after the ext ID byte. It is assumed that he_oper_ie has at least 2238 * sizeof(struct ieee80211_he_operation) bytes, the caller must have 2239 * validated this. 2240 * @return the actual size of the IE data (not including header), or 0 on error 2241 */ 2242 static inline u8 2243 ieee80211_he_oper_size(const u8 *he_oper_ie) 2244 { 2245 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie; 2246 u8 oper_len = sizeof(struct ieee80211_he_operation); 2247 u32 he_oper_params; 2248 2249 /* Make sure the input is not NULL */ 2250 if (!he_oper_ie) 2251 return 0; 2252 2253 /* Calc required length */ 2254 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2255 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2256 oper_len += 3; 2257 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2258 oper_len++; 2259 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) 2260 oper_len += sizeof(struct ieee80211_he_6ghz_oper); 2261 2262 /* Add the first byte (extension ID) to the total length */ 2263 oper_len++; 2264 2265 return oper_len; 2266 } 2267 2268 /** 2269 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field 2270 * @he_oper: HE operation element (must be pre-validated for size) 2271 * but may be %NULL 2272 * 2273 * Return: a pointer to the 6 GHz operation field, or %NULL 2274 */ 2275 static inline const struct ieee80211_he_6ghz_oper * 2276 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper) 2277 { 2278 const u8 *ret = (void *)&he_oper->optional; 2279 u32 he_oper_params; 2280 2281 if (!he_oper) 2282 return NULL; 2283 2284 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2285 2286 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)) 2287 return NULL; 2288 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2289 ret += 3; 2290 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2291 ret++; 2292 2293 return (void *)ret; 2294 } 2295 2296 /* HE Spatial Reuse defines */ 2297 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4 2298 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8 2299 2300 /* 2301 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size 2302 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte 2303 * after the ext ID byte. It is assumed that he_spr_ie has at least 2304 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated 2305 * this 2306 * @return the actual size of the IE data (not including header), or 0 on error 2307 */ 2308 static inline u8 2309 ieee80211_he_spr_size(const u8 *he_spr_ie) 2310 { 2311 struct ieee80211_he_spr *he_spr = (void *)he_spr_ie; 2312 u8 spr_len = sizeof(struct ieee80211_he_spr); 2313 u8 he_spr_params; 2314 2315 /* Make sure the input is not NULL */ 2316 if (!he_spr_ie) 2317 return 0; 2318 2319 /* Calc required length */ 2320 he_spr_params = he_spr->he_sr_control; 2321 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 2322 spr_len++; 2323 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) 2324 spr_len += 18; 2325 2326 /* Add the first byte (extension ID) to the total length */ 2327 spr_len++; 2328 2329 return spr_len; 2330 } 2331 2332 /* S1G Capabilities Information field */ 2333 #define S1G_CAPAB_B0_S1G_LONG BIT(0) 2334 #define S1G_CAPAB_B0_SGI_1MHZ BIT(1) 2335 #define S1G_CAPAB_B0_SGI_2MHZ BIT(2) 2336 #define S1G_CAPAB_B0_SGI_4MHZ BIT(3) 2337 #define S1G_CAPAB_B0_SGI_8MHZ BIT(4) 2338 #define S1G_CAPAB_B0_SGI_16MHZ BIT(5) 2339 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_MASK (BIT(6) | BIT(7)) 2340 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_SHIFT 6 2341 2342 #define S1G_CAPAB_B1_RX_LDPC BIT(0) 2343 #define S1G_CAPAB_B1_TX_STBC BIT(1) 2344 #define S1G_CAPAB_B1_RX_STBC BIT(2) 2345 #define S1G_CAPAB_B1_SU_BFER BIT(3) 2346 #define S1G_CAPAB_B1_SU_BFEE BIT(4) 2347 #define S1G_CAPAB_B1_BFEE_STS_MASK (BIT(5) | BIT(6) | BIT(7)) 2348 #define S1G_CAPAB_B1_BFEE_STS_SHIFT 5 2349 2350 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_MASK (BIT(0) | BIT(1) | BIT(2)) 2351 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_SHIFT 0 2352 #define S1G_CAPAB_B2_MU_BFER BIT(3) 2353 #define S1G_CAPAB_B2_MU_BFEE BIT(4) 2354 #define S1G_CAPAB_B2_PLUS_HTC_VHT BIT(5) 2355 #define S1G_CAPAB_B2_TRAVELING_PILOT_MASK (BIT(6) | BIT(7)) 2356 #define S1G_CAPAB_B2_TRAVELING_PILOT_SHIFT 6 2357 2358 #define S1G_CAPAB_B3_RD_RESPONDER BIT(0) 2359 #define S1G_CAPAB_B3_HT_DELAYED_BA BIT(1) 2360 #define S1G_CAPAB_B3_MAX_MPDU_LEN BIT(2) 2361 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_MASK (BIT(3) | BIT(4)) 2362 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_SHIFT 3 2363 #define S1G_CAPAB_B3_MIN_MPDU_START_MASK (BIT(5) | BIT(6) | BIT(7)) 2364 #define S1G_CAPAB_B3_MIN_MPDU_START_SHIFT 5 2365 2366 #define S1G_CAPAB_B4_UPLINK_SYNC BIT(0) 2367 #define S1G_CAPAB_B4_DYNAMIC_AID BIT(1) 2368 #define S1G_CAPAB_B4_BAT BIT(2) 2369 #define S1G_CAPAB_B4_TIME_ADE BIT(3) 2370 #define S1G_CAPAB_B4_NON_TIM BIT(4) 2371 #define S1G_CAPAB_B4_GROUP_AID BIT(5) 2372 #define S1G_CAPAB_B4_STA_TYPE_MASK (BIT(6) | BIT(7)) 2373 #define S1G_CAPAB_B4_STA_TYPE_SHIFT 6 2374 2375 #define S1G_CAPAB_B5_CENT_AUTH_CONTROL BIT(0) 2376 #define S1G_CAPAB_B5_DIST_AUTH_CONTROL BIT(1) 2377 #define S1G_CAPAB_B5_AMSDU BIT(2) 2378 #define S1G_CAPAB_B5_AMPDU BIT(3) 2379 #define S1G_CAPAB_B5_ASYMMETRIC_BA BIT(4) 2380 #define S1G_CAPAB_B5_FLOW_CONTROL BIT(5) 2381 #define S1G_CAPAB_B5_SECTORIZED_BEAM_MASK (BIT(6) | BIT(7)) 2382 #define S1G_CAPAB_B5_SECTORIZED_BEAM_SHIFT 6 2383 2384 #define S1G_CAPAB_B6_OBSS_MITIGATION BIT(0) 2385 #define S1G_CAPAB_B6_FRAGMENT_BA BIT(1) 2386 #define S1G_CAPAB_B6_NDP_PS_POLL BIT(2) 2387 #define S1G_CAPAB_B6_RAW_OPERATION BIT(3) 2388 #define S1G_CAPAB_B6_PAGE_SLICING BIT(4) 2389 #define S1G_CAPAB_B6_TXOP_SHARING_IMP_ACK BIT(5) 2390 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_MASK (BIT(6) | BIT(7)) 2391 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_SHIFT 6 2392 2393 #define S1G_CAPAB_B7_TACK_AS_PS_POLL BIT(0) 2394 #define S1G_CAPAB_B7_DUP_1MHZ BIT(1) 2395 #define S1G_CAPAB_B7_MCS_NEGOTIATION BIT(2) 2396 #define S1G_CAPAB_B7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3) 2397 #define S1G_CAPAB_B7_NDP_BFING_REPORT_POLL BIT(4) 2398 #define S1G_CAPAB_B7_UNSOLICITED_DYN_AID BIT(5) 2399 #define S1G_CAPAB_B7_SECTOR_TRAINING_OPERATION BIT(6) 2400 #define S1G_CAPAB_B7_TEMP_PS_MODE_SWITCH BIT(7) 2401 2402 #define S1G_CAPAB_B8_TWT_GROUPING BIT(0) 2403 #define S1G_CAPAB_B8_BDT BIT(1) 2404 #define S1G_CAPAB_B8_COLOR_MASK (BIT(2) | BIT(3) | BIT(4)) 2405 #define S1G_CAPAB_B8_COLOR_SHIFT 2 2406 #define S1G_CAPAB_B8_TWT_REQUEST BIT(5) 2407 #define S1G_CAPAB_B8_TWT_RESPOND BIT(6) 2408 #define S1G_CAPAB_B8_PV1_FRAME BIT(7) 2409 2410 #define S1G_CAPAB_B9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0) 2411 2412 /* Authentication algorithms */ 2413 #define WLAN_AUTH_OPEN 0 2414 #define WLAN_AUTH_SHARED_KEY 1 2415 #define WLAN_AUTH_FT 2 2416 #define WLAN_AUTH_SAE 3 2417 #define WLAN_AUTH_FILS_SK 4 2418 #define WLAN_AUTH_FILS_SK_PFS 5 2419 #define WLAN_AUTH_FILS_PK 6 2420 #define WLAN_AUTH_LEAP 128 2421 2422 #define WLAN_AUTH_CHALLENGE_LEN 128 2423 2424 #define WLAN_CAPABILITY_ESS (1<<0) 2425 #define WLAN_CAPABILITY_IBSS (1<<1) 2426 2427 /* 2428 * A mesh STA sets the ESS and IBSS capability bits to zero. 2429 * however, this holds true for p2p probe responses (in the p2p_find 2430 * phase) as well. 2431 */ 2432 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 2433 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 2434 2435 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 2436 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 2437 #define WLAN_CAPABILITY_PRIVACY (1<<4) 2438 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 2439 #define WLAN_CAPABILITY_PBCC (1<<6) 2440 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 2441 2442 /* 802.11h */ 2443 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 2444 #define WLAN_CAPABILITY_QOS (1<<9) 2445 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 2446 #define WLAN_CAPABILITY_APSD (1<<11) 2447 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 2448 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 2449 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 2450 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 2451 2452 /* DMG (60gHz) 802.11ad */ 2453 /* type - bits 0..1 */ 2454 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 2455 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 2456 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 2457 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 2458 2459 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 2460 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 2461 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 2462 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 2463 2464 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 2465 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 2466 2467 /* measurement */ 2468 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 2469 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 2470 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 2471 2472 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 2473 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 2474 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 2475 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 2476 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 2477 2478 /* 802.11g ERP information element */ 2479 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 2480 #define WLAN_ERP_USE_PROTECTION (1<<1) 2481 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 2482 2483 /* WLAN_ERP_BARKER_PREAMBLE values */ 2484 enum { 2485 WLAN_ERP_PREAMBLE_SHORT = 0, 2486 WLAN_ERP_PREAMBLE_LONG = 1, 2487 }; 2488 2489 /* Band ID, 802.11ad #8.4.1.45 */ 2490 enum { 2491 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 2492 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 2493 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 2494 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 2495 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 2496 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 2497 }; 2498 2499 /* Status codes */ 2500 enum ieee80211_statuscode { 2501 WLAN_STATUS_SUCCESS = 0, 2502 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 2503 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 2504 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 2505 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 2506 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 2507 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 2508 WLAN_STATUS_CHALLENGE_FAIL = 15, 2509 WLAN_STATUS_AUTH_TIMEOUT = 16, 2510 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 2511 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 2512 /* 802.11b */ 2513 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 2514 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 2515 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 2516 /* 802.11h */ 2517 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 2518 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 2519 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 2520 /* 802.11g */ 2521 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 2522 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 2523 /* 802.11w */ 2524 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 2525 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 2526 /* 802.11i */ 2527 WLAN_STATUS_INVALID_IE = 40, 2528 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 2529 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 2530 WLAN_STATUS_INVALID_AKMP = 43, 2531 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 2532 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 2533 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 2534 /* 802.11e */ 2535 WLAN_STATUS_UNSPECIFIED_QOS = 32, 2536 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 2537 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 2538 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 2539 WLAN_STATUS_REQUEST_DECLINED = 37, 2540 WLAN_STATUS_INVALID_QOS_PARAM = 38, 2541 WLAN_STATUS_CHANGE_TSPEC = 39, 2542 WLAN_STATUS_WAIT_TS_DELAY = 47, 2543 WLAN_STATUS_NO_DIRECT_LINK = 48, 2544 WLAN_STATUS_STA_NOT_PRESENT = 49, 2545 WLAN_STATUS_STA_NOT_QSTA = 50, 2546 /* 802.11s */ 2547 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 2548 WLAN_STATUS_FCG_NOT_SUPP = 78, 2549 WLAN_STATUS_STA_NO_TBTT = 78, 2550 /* 802.11ad */ 2551 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 2552 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 2553 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 2554 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 2555 WLAN_STATUS_PERFORMING_FST_NOW = 87, 2556 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 2557 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 2558 WLAN_STATUS_REJECT_DSE_BAND = 96, 2559 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 2560 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 2561 /* 802.11ai */ 2562 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 2563 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 2564 }; 2565 2566 2567 /* Reason codes */ 2568 enum ieee80211_reasoncode { 2569 WLAN_REASON_UNSPECIFIED = 1, 2570 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 2571 WLAN_REASON_DEAUTH_LEAVING = 3, 2572 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 2573 WLAN_REASON_DISASSOC_AP_BUSY = 5, 2574 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 2575 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 2576 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 2577 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 2578 /* 802.11h */ 2579 WLAN_REASON_DISASSOC_BAD_POWER = 10, 2580 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 2581 /* 802.11i */ 2582 WLAN_REASON_INVALID_IE = 13, 2583 WLAN_REASON_MIC_FAILURE = 14, 2584 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 2585 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 2586 WLAN_REASON_IE_DIFFERENT = 17, 2587 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 2588 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 2589 WLAN_REASON_INVALID_AKMP = 20, 2590 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 2591 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 2592 WLAN_REASON_IEEE8021X_FAILED = 23, 2593 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 2594 /* TDLS (802.11z) */ 2595 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 2596 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 2597 /* 802.11e */ 2598 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 2599 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 2600 WLAN_REASON_DISASSOC_LOW_ACK = 34, 2601 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 2602 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 2603 WLAN_REASON_QSTA_NOT_USE = 37, 2604 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 2605 WLAN_REASON_QSTA_TIMEOUT = 39, 2606 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 2607 /* 802.11s */ 2608 WLAN_REASON_MESH_PEER_CANCELED = 52, 2609 WLAN_REASON_MESH_MAX_PEERS = 53, 2610 WLAN_REASON_MESH_CONFIG = 54, 2611 WLAN_REASON_MESH_CLOSE = 55, 2612 WLAN_REASON_MESH_MAX_RETRIES = 56, 2613 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 2614 WLAN_REASON_MESH_INVALID_GTK = 58, 2615 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 2616 WLAN_REASON_MESH_INVALID_SECURITY = 60, 2617 WLAN_REASON_MESH_PATH_ERROR = 61, 2618 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 2619 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 2620 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 2621 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 2622 WLAN_REASON_MESH_CHAN = 66, 2623 }; 2624 2625 2626 /* Information Element IDs */ 2627 enum ieee80211_eid { 2628 WLAN_EID_SSID = 0, 2629 WLAN_EID_SUPP_RATES = 1, 2630 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 2631 WLAN_EID_DS_PARAMS = 3, 2632 WLAN_EID_CF_PARAMS = 4, 2633 WLAN_EID_TIM = 5, 2634 WLAN_EID_IBSS_PARAMS = 6, 2635 WLAN_EID_COUNTRY = 7, 2636 /* 8, 9 reserved */ 2637 WLAN_EID_REQUEST = 10, 2638 WLAN_EID_QBSS_LOAD = 11, 2639 WLAN_EID_EDCA_PARAM_SET = 12, 2640 WLAN_EID_TSPEC = 13, 2641 WLAN_EID_TCLAS = 14, 2642 WLAN_EID_SCHEDULE = 15, 2643 WLAN_EID_CHALLENGE = 16, 2644 /* 17-31 reserved for challenge text extension */ 2645 WLAN_EID_PWR_CONSTRAINT = 32, 2646 WLAN_EID_PWR_CAPABILITY = 33, 2647 WLAN_EID_TPC_REQUEST = 34, 2648 WLAN_EID_TPC_REPORT = 35, 2649 WLAN_EID_SUPPORTED_CHANNELS = 36, 2650 WLAN_EID_CHANNEL_SWITCH = 37, 2651 WLAN_EID_MEASURE_REQUEST = 38, 2652 WLAN_EID_MEASURE_REPORT = 39, 2653 WLAN_EID_QUIET = 40, 2654 WLAN_EID_IBSS_DFS = 41, 2655 WLAN_EID_ERP_INFO = 42, 2656 WLAN_EID_TS_DELAY = 43, 2657 WLAN_EID_TCLAS_PROCESSING = 44, 2658 WLAN_EID_HT_CAPABILITY = 45, 2659 WLAN_EID_QOS_CAPA = 46, 2660 /* 47 reserved for Broadcom */ 2661 WLAN_EID_RSN = 48, 2662 WLAN_EID_802_15_COEX = 49, 2663 WLAN_EID_EXT_SUPP_RATES = 50, 2664 WLAN_EID_AP_CHAN_REPORT = 51, 2665 WLAN_EID_NEIGHBOR_REPORT = 52, 2666 WLAN_EID_RCPI = 53, 2667 WLAN_EID_MOBILITY_DOMAIN = 54, 2668 WLAN_EID_FAST_BSS_TRANSITION = 55, 2669 WLAN_EID_TIMEOUT_INTERVAL = 56, 2670 WLAN_EID_RIC_DATA = 57, 2671 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 2672 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 2673 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 2674 WLAN_EID_HT_OPERATION = 61, 2675 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 2676 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 2677 WLAN_EID_ANTENNA_INFO = 64, 2678 WLAN_EID_RSNI = 65, 2679 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 2680 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 2681 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 2682 WLAN_EID_TIME_ADVERTISEMENT = 69, 2683 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 2684 WLAN_EID_MULTIPLE_BSSID = 71, 2685 WLAN_EID_BSS_COEX_2040 = 72, 2686 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 2687 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 2688 WLAN_EID_RIC_DESCRIPTOR = 75, 2689 WLAN_EID_MMIE = 76, 2690 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 2691 WLAN_EID_EVENT_REQUEST = 78, 2692 WLAN_EID_EVENT_REPORT = 79, 2693 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 2694 WLAN_EID_DIAGNOSTIC_REPORT = 81, 2695 WLAN_EID_LOCATION_PARAMS = 82, 2696 WLAN_EID_NON_TX_BSSID_CAP = 83, 2697 WLAN_EID_SSID_LIST = 84, 2698 WLAN_EID_MULTI_BSSID_IDX = 85, 2699 WLAN_EID_FMS_DESCRIPTOR = 86, 2700 WLAN_EID_FMS_REQUEST = 87, 2701 WLAN_EID_FMS_RESPONSE = 88, 2702 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 2703 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 2704 WLAN_EID_TSF_REQUEST = 91, 2705 WLAN_EID_TSF_RESPOSNE = 92, 2706 WLAN_EID_WNM_SLEEP_MODE = 93, 2707 WLAN_EID_TIM_BCAST_REQ = 94, 2708 WLAN_EID_TIM_BCAST_RESP = 95, 2709 WLAN_EID_COLL_IF_REPORT = 96, 2710 WLAN_EID_CHANNEL_USAGE = 97, 2711 WLAN_EID_TIME_ZONE = 98, 2712 WLAN_EID_DMS_REQUEST = 99, 2713 WLAN_EID_DMS_RESPONSE = 100, 2714 WLAN_EID_LINK_ID = 101, 2715 WLAN_EID_WAKEUP_SCHEDUL = 102, 2716 /* 103 reserved */ 2717 WLAN_EID_CHAN_SWITCH_TIMING = 104, 2718 WLAN_EID_PTI_CONTROL = 105, 2719 WLAN_EID_PU_BUFFER_STATUS = 106, 2720 WLAN_EID_INTERWORKING = 107, 2721 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 2722 WLAN_EID_EXPEDITED_BW_REQ = 109, 2723 WLAN_EID_QOS_MAP_SET = 110, 2724 WLAN_EID_ROAMING_CONSORTIUM = 111, 2725 WLAN_EID_EMERGENCY_ALERT = 112, 2726 WLAN_EID_MESH_CONFIG = 113, 2727 WLAN_EID_MESH_ID = 114, 2728 WLAN_EID_LINK_METRIC_REPORT = 115, 2729 WLAN_EID_CONGESTION_NOTIFICATION = 116, 2730 WLAN_EID_PEER_MGMT = 117, 2731 WLAN_EID_CHAN_SWITCH_PARAM = 118, 2732 WLAN_EID_MESH_AWAKE_WINDOW = 119, 2733 WLAN_EID_BEACON_TIMING = 120, 2734 WLAN_EID_MCCAOP_SETUP_REQ = 121, 2735 WLAN_EID_MCCAOP_SETUP_RESP = 122, 2736 WLAN_EID_MCCAOP_ADVERT = 123, 2737 WLAN_EID_MCCAOP_TEARDOWN = 124, 2738 WLAN_EID_GANN = 125, 2739 WLAN_EID_RANN = 126, 2740 WLAN_EID_EXT_CAPABILITY = 127, 2741 /* 128, 129 reserved for Agere */ 2742 WLAN_EID_PREQ = 130, 2743 WLAN_EID_PREP = 131, 2744 WLAN_EID_PERR = 132, 2745 /* 133-136 reserved for Cisco */ 2746 WLAN_EID_PXU = 137, 2747 WLAN_EID_PXUC = 138, 2748 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 2749 WLAN_EID_MIC = 140, 2750 WLAN_EID_DESTINATION_URI = 141, 2751 WLAN_EID_UAPSD_COEX = 142, 2752 WLAN_EID_WAKEUP_SCHEDULE = 143, 2753 WLAN_EID_EXT_SCHEDULE = 144, 2754 WLAN_EID_STA_AVAILABILITY = 145, 2755 WLAN_EID_DMG_TSPEC = 146, 2756 WLAN_EID_DMG_AT = 147, 2757 WLAN_EID_DMG_CAP = 148, 2758 /* 149 reserved for Cisco */ 2759 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 2760 WLAN_EID_DMG_OPERATION = 151, 2761 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 2762 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 2763 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 2764 /* 155-156 reserved for Cisco */ 2765 WLAN_EID_AWAKE_WINDOW = 157, 2766 WLAN_EID_MULTI_BAND = 158, 2767 WLAN_EID_ADDBA_EXT = 159, 2768 WLAN_EID_NEXT_PCP_LIST = 160, 2769 WLAN_EID_PCP_HANDOVER = 161, 2770 WLAN_EID_DMG_LINK_MARGIN = 162, 2771 WLAN_EID_SWITCHING_STREAM = 163, 2772 WLAN_EID_SESSION_TRANSITION = 164, 2773 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 2774 WLAN_EID_CLUSTER_REPORT = 166, 2775 WLAN_EID_RELAY_CAP = 167, 2776 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 2777 WLAN_EID_BEAM_LINK_MAINT = 169, 2778 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 2779 WLAN_EID_U_PID = 171, 2780 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 2781 /* 173 reserved for Symbol */ 2782 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 2783 WLAN_EID_QUIET_PERIOD_REQ = 175, 2784 /* 176 reserved for Symbol */ 2785 WLAN_EID_QUIET_PERIOD_RESP = 177, 2786 /* 178-179 reserved for Symbol */ 2787 /* 180 reserved for ISO/IEC 20011 */ 2788 WLAN_EID_EPAC_POLICY = 182, 2789 WLAN_EID_CLISTER_TIME_OFF = 183, 2790 WLAN_EID_INTER_AC_PRIO = 184, 2791 WLAN_EID_SCS_DESCRIPTOR = 185, 2792 WLAN_EID_QLOAD_REPORT = 186, 2793 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 2794 WLAN_EID_HL_STREAM_ID = 188, 2795 WLAN_EID_GCR_GROUP_ADDR = 189, 2796 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 2797 WLAN_EID_VHT_CAPABILITY = 191, 2798 WLAN_EID_VHT_OPERATION = 192, 2799 WLAN_EID_EXTENDED_BSS_LOAD = 193, 2800 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 2801 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 2802 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 2803 WLAN_EID_AID = 197, 2804 WLAN_EID_QUIET_CHANNEL = 198, 2805 WLAN_EID_OPMODE_NOTIF = 199, 2806 2807 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201, 2808 2809 WLAN_EID_S1G_BCN_COMPAT = 213, 2810 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214, 2811 WLAN_EID_S1G_CAPABILITIES = 217, 2812 WLAN_EID_VENDOR_SPECIFIC = 221, 2813 WLAN_EID_QOS_PARAMETER = 222, 2814 WLAN_EID_S1G_OPERATION = 232, 2815 WLAN_EID_CAG_NUMBER = 237, 2816 WLAN_EID_AP_CSN = 239, 2817 WLAN_EID_FILS_INDICATION = 240, 2818 WLAN_EID_DILS = 241, 2819 WLAN_EID_FRAGMENT = 242, 2820 WLAN_EID_RSNX = 244, 2821 WLAN_EID_EXTENSION = 255 2822 }; 2823 2824 /* Element ID Extensions for Element ID 255 */ 2825 enum ieee80211_eid_ext { 2826 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 2827 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 2828 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 2829 WLAN_EID_EXT_FILS_SESSION = 4, 2830 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 2831 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 2832 WLAN_EID_EXT_KEY_DELIVERY = 7, 2833 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 2834 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 2835 WLAN_EID_EXT_FILS_NONCE = 13, 2836 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 2837 WLAN_EID_EXT_HE_CAPABILITY = 35, 2838 WLAN_EID_EXT_HE_OPERATION = 36, 2839 WLAN_EID_EXT_UORA = 37, 2840 WLAN_EID_EXT_HE_MU_EDCA = 38, 2841 WLAN_EID_EXT_HE_SPR = 39, 2842 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41, 2843 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42, 2844 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43, 2845 WLAN_EID_EXT_ESS_REPORT = 45, 2846 WLAN_EID_EXT_OPS = 46, 2847 WLAN_EID_EXT_HE_BSS_LOAD = 47, 2848 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, 2849 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, 2850 WLAN_EID_EXT_NON_INHERITANCE = 56, 2851 WLAN_EID_EXT_KNOWN_BSSID = 57, 2852 WLAN_EID_EXT_SHORT_SSID_LIST = 58, 2853 WLAN_EID_EXT_HE_6GHZ_CAPA = 59, 2854 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60, 2855 }; 2856 2857 /* Action category code */ 2858 enum ieee80211_category { 2859 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 2860 WLAN_CATEGORY_QOS = 1, 2861 WLAN_CATEGORY_DLS = 2, 2862 WLAN_CATEGORY_BACK = 3, 2863 WLAN_CATEGORY_PUBLIC = 4, 2864 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 2865 WLAN_CATEGORY_HT = 7, 2866 WLAN_CATEGORY_SA_QUERY = 8, 2867 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2868 WLAN_CATEGORY_WNM = 10, 2869 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2870 WLAN_CATEGORY_TDLS = 12, 2871 WLAN_CATEGORY_MESH_ACTION = 13, 2872 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2873 WLAN_CATEGORY_SELF_PROTECTED = 15, 2874 WLAN_CATEGORY_DMG = 16, 2875 WLAN_CATEGORY_WMM = 17, 2876 WLAN_CATEGORY_FST = 18, 2877 WLAN_CATEGORY_UNPROT_DMG = 20, 2878 WLAN_CATEGORY_VHT = 21, 2879 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2880 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2881 }; 2882 2883 /* SPECTRUM_MGMT action code */ 2884 enum ieee80211_spectrum_mgmt_actioncode { 2885 WLAN_ACTION_SPCT_MSR_REQ = 0, 2886 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2887 WLAN_ACTION_SPCT_TPC_REQ = 2, 2888 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2889 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2890 }; 2891 2892 /* HT action codes */ 2893 enum ieee80211_ht_actioncode { 2894 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2895 WLAN_HT_ACTION_SMPS = 1, 2896 WLAN_HT_ACTION_PSMP = 2, 2897 WLAN_HT_ACTION_PCO_PHASE = 3, 2898 WLAN_HT_ACTION_CSI = 4, 2899 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2900 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2901 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2902 }; 2903 2904 /* VHT action codes */ 2905 enum ieee80211_vht_actioncode { 2906 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2907 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2908 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2909 }; 2910 2911 /* Self Protected Action codes */ 2912 enum ieee80211_self_protected_actioncode { 2913 WLAN_SP_RESERVED = 0, 2914 WLAN_SP_MESH_PEERING_OPEN = 1, 2915 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2916 WLAN_SP_MESH_PEERING_CLOSE = 3, 2917 WLAN_SP_MGK_INFORM = 4, 2918 WLAN_SP_MGK_ACK = 5, 2919 }; 2920 2921 /* Mesh action codes */ 2922 enum ieee80211_mesh_actioncode { 2923 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2924 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2925 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2926 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2927 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2928 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2929 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2930 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2931 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2932 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2933 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2934 }; 2935 2936 /* Security key length */ 2937 enum ieee80211_key_len { 2938 WLAN_KEY_LEN_WEP40 = 5, 2939 WLAN_KEY_LEN_WEP104 = 13, 2940 WLAN_KEY_LEN_CCMP = 16, 2941 WLAN_KEY_LEN_CCMP_256 = 32, 2942 WLAN_KEY_LEN_TKIP = 32, 2943 WLAN_KEY_LEN_AES_CMAC = 16, 2944 WLAN_KEY_LEN_SMS4 = 32, 2945 WLAN_KEY_LEN_GCMP = 16, 2946 WLAN_KEY_LEN_GCMP_256 = 32, 2947 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2948 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2949 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2950 }; 2951 2952 #define IEEE80211_WEP_IV_LEN 4 2953 #define IEEE80211_WEP_ICV_LEN 4 2954 #define IEEE80211_CCMP_HDR_LEN 8 2955 #define IEEE80211_CCMP_MIC_LEN 8 2956 #define IEEE80211_CCMP_PN_LEN 6 2957 #define IEEE80211_CCMP_256_HDR_LEN 8 2958 #define IEEE80211_CCMP_256_MIC_LEN 16 2959 #define IEEE80211_CCMP_256_PN_LEN 6 2960 #define IEEE80211_TKIP_IV_LEN 8 2961 #define IEEE80211_TKIP_ICV_LEN 4 2962 #define IEEE80211_CMAC_PN_LEN 6 2963 #define IEEE80211_GMAC_PN_LEN 6 2964 #define IEEE80211_GCMP_HDR_LEN 8 2965 #define IEEE80211_GCMP_MIC_LEN 16 2966 #define IEEE80211_GCMP_PN_LEN 6 2967 2968 #define FILS_NONCE_LEN 16 2969 #define FILS_MAX_KEK_LEN 64 2970 2971 #define FILS_ERP_MAX_USERNAME_LEN 16 2972 #define FILS_ERP_MAX_REALM_LEN 253 2973 #define FILS_ERP_MAX_RRK_LEN 64 2974 2975 #define PMK_MAX_LEN 64 2976 #define SAE_PASSWORD_MAX_LEN 128 2977 2978 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 2979 enum ieee80211_pub_actioncode { 2980 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 2981 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 2982 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 2983 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 2984 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2985 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 2986 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 2987 WLAN_PUB_ACTION_MSMT_PILOT = 7, 2988 WLAN_PUB_ACTION_DSE_PC = 8, 2989 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 2990 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 2991 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 2992 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 2993 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 2994 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2995 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 2996 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 2997 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 2998 WLAN_PUB_ACTION_QMF_POLICY = 18, 2999 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 3000 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 3001 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 3002 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 3003 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 3004 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 3005 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 3006 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 3007 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 3008 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 3009 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 3010 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 3011 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 3012 WLAN_PUB_ACTION_FTM_REQUEST = 32, 3013 WLAN_PUB_ACTION_FTM = 33, 3014 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 3015 }; 3016 3017 /* TDLS action codes */ 3018 enum ieee80211_tdls_actioncode { 3019 WLAN_TDLS_SETUP_REQUEST = 0, 3020 WLAN_TDLS_SETUP_RESPONSE = 1, 3021 WLAN_TDLS_SETUP_CONFIRM = 2, 3022 WLAN_TDLS_TEARDOWN = 3, 3023 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 3024 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 3025 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 3026 WLAN_TDLS_PEER_PSM_REQUEST = 7, 3027 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 3028 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 3029 WLAN_TDLS_DISCOVERY_REQUEST = 10, 3030 }; 3031 3032 /* Extended Channel Switching capability to be set in the 1st byte of 3033 * the @WLAN_EID_EXT_CAPABILITY information element 3034 */ 3035 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 3036 3037 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the 3038 * @WLAN_EID_EXT_CAPABILITY information element 3039 */ 3040 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) 3041 3042 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 3043 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 3044 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 3045 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 3046 3047 /* Interworking capabilities are set in 7th bit of 4th byte of the 3048 * @WLAN_EID_EXT_CAPABILITY information element 3049 */ 3050 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 3051 3052 /* 3053 * TDLS capabililites to be enabled in the 5th byte of the 3054 * @WLAN_EID_EXT_CAPABILITY information element 3055 */ 3056 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 3057 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 3058 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 3059 3060 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 3061 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 3062 3063 /* Defines the maximal number of MSDUs in an A-MSDU. */ 3064 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 3065 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 3066 3067 /* 3068 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 3069 * information element 3070 */ 3071 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 3072 3073 /* Defines support for TWT Requester and TWT Responder */ 3074 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 3075 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 3076 3077 /* 3078 * When set, indicates that the AP is able to tolerate 26-tone RU UL 3079 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the 3080 * 26-tone RU UL OFDMA transmissions as radar pulses). 3081 */ 3082 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) 3083 3084 /* Defines support for enhanced multi-bssid advertisement*/ 3085 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3) 3086 3087 /* TDLS specific payload type in the LLC/SNAP header */ 3088 #define WLAN_TDLS_SNAP_RFTYPE 0x2 3089 3090 /* BSS Coex IE information field bits */ 3091 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 3092 3093 /** 3094 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 3095 * 3096 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 3097 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 3098 * that will be specified in a vendor specific information element 3099 */ 3100 enum ieee80211_mesh_sync_method { 3101 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 3102 IEEE80211_SYNC_METHOD_VENDOR = 255, 3103 }; 3104 3105 /** 3106 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 3107 * 3108 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 3109 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 3110 * be specified in a vendor specific information element 3111 */ 3112 enum ieee80211_mesh_path_protocol { 3113 IEEE80211_PATH_PROTOCOL_HWMP = 1, 3114 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 3115 }; 3116 3117 /** 3118 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 3119 * 3120 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 3121 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 3122 * specified in a vendor specific information element 3123 */ 3124 enum ieee80211_mesh_path_metric { 3125 IEEE80211_PATH_METRIC_AIRTIME = 1, 3126 IEEE80211_PATH_METRIC_VENDOR = 255, 3127 }; 3128 3129 /** 3130 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 3131 * 3132 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 3133 * 3134 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 3135 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 3136 * this value 3137 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 3138 * the proactive PREQ with proactive PREP subfield set to 0 3139 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 3140 * supports the proactive PREQ with proactive PREP subfield set to 1 3141 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 3142 * the proactive RANN 3143 */ 3144 enum ieee80211_root_mode_identifier { 3145 IEEE80211_ROOTMODE_NO_ROOT = 0, 3146 IEEE80211_ROOTMODE_ROOT = 1, 3147 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 3148 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 3149 IEEE80211_PROACTIVE_RANN = 4, 3150 }; 3151 3152 /* 3153 * IEEE 802.11-2007 7.3.2.9 Country information element 3154 * 3155 * Minimum length is 8 octets, ie len must be evenly 3156 * divisible by 2 3157 */ 3158 3159 /* Although the spec says 8 I'm seeing 6 in practice */ 3160 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 3161 3162 /* The Country String field of the element shall be 3 octets in length */ 3163 #define IEEE80211_COUNTRY_STRING_LEN 3 3164 3165 /* 3166 * For regulatory extension stuff see IEEE 802.11-2007 3167 * Annex I (page 1141) and Annex J (page 1147). Also 3168 * review 7.3.2.9. 3169 * 3170 * When dot11RegulatoryClassesRequired is true and the 3171 * first_channel/reg_extension_id is >= 201 then the IE 3172 * compromises of the 'ext' struct represented below: 3173 * 3174 * - Regulatory extension ID - when generating IE this just needs 3175 * to be monotonically increasing for each triplet passed in 3176 * the IE 3177 * - Regulatory class - index into set of rules 3178 * - Coverage class - index into air propagation time (Table 7-27), 3179 * in microseconds, you can compute the air propagation time from 3180 * the index by multiplying by 3, so index 10 yields a propagation 3181 * of 10 us. Valid values are 0-31, values 32-255 are not defined 3182 * yet. A value of 0 inicates air propagation of <= 1 us. 3183 * 3184 * See also Table I.2 for Emission limit sets and table 3185 * I.3 for Behavior limit sets. Table J.1 indicates how to map 3186 * a reg_class to an emission limit set and behavior limit set. 3187 */ 3188 #define IEEE80211_COUNTRY_EXTENSION_ID 201 3189 3190 /* 3191 * Channels numbers in the IE must be monotonically increasing 3192 * if dot11RegulatoryClassesRequired is not true. 3193 * 3194 * If dot11RegulatoryClassesRequired is true consecutive 3195 * subband triplets following a regulatory triplet shall 3196 * have monotonically increasing first_channel number fields. 3197 * 3198 * Channel numbers shall not overlap. 3199 * 3200 * Note that max_power is signed. 3201 */ 3202 struct ieee80211_country_ie_triplet { 3203 union { 3204 struct { 3205 u8 first_channel; 3206 u8 num_channels; 3207 s8 max_power; 3208 } __packed chans; 3209 struct { 3210 u8 reg_extension_id; 3211 u8 reg_class; 3212 u8 coverage_class; 3213 } __packed ext; 3214 }; 3215 } __packed; 3216 3217 enum ieee80211_timeout_interval_type { 3218 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 3219 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 3220 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 3221 }; 3222 3223 /** 3224 * struct ieee80211_timeout_interval_ie - Timeout Interval element 3225 * @type: type, see &enum ieee80211_timeout_interval_type 3226 * @value: timeout interval value 3227 */ 3228 struct ieee80211_timeout_interval_ie { 3229 u8 type; 3230 __le32 value; 3231 } __packed; 3232 3233 /** 3234 * enum ieee80211_idle_options - BSS idle options 3235 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 3236 * protected frame to the AP to reset the idle timer at the AP for 3237 * the station. 3238 */ 3239 enum ieee80211_idle_options { 3240 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 3241 }; 3242 3243 /** 3244 * struct ieee80211_bss_max_idle_period_ie 3245 * 3246 * This structure refers to "BSS Max idle period element" 3247 * 3248 * @max_idle_period: indicates the time period during which a station can 3249 * refrain from transmitting frames to its associated AP without being 3250 * disassociated. In units of 1000 TUs. 3251 * @idle_options: indicates the options associated with the BSS idle capability 3252 * as specified in &enum ieee80211_idle_options. 3253 */ 3254 struct ieee80211_bss_max_idle_period_ie { 3255 __le16 max_idle_period; 3256 u8 idle_options; 3257 } __packed; 3258 3259 /* BACK action code */ 3260 enum ieee80211_back_actioncode { 3261 WLAN_ACTION_ADDBA_REQ = 0, 3262 WLAN_ACTION_ADDBA_RESP = 1, 3263 WLAN_ACTION_DELBA = 2, 3264 }; 3265 3266 /* BACK (block-ack) parties */ 3267 enum ieee80211_back_parties { 3268 WLAN_BACK_RECIPIENT = 0, 3269 WLAN_BACK_INITIATOR = 1, 3270 }; 3271 3272 /* SA Query action */ 3273 enum ieee80211_sa_query_action { 3274 WLAN_ACTION_SA_QUERY_REQUEST = 0, 3275 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 3276 }; 3277 3278 /** 3279 * struct ieee80211_bssid_index 3280 * 3281 * This structure refers to "Multiple BSSID-index element" 3282 * 3283 * @bssid_index: BSSID index 3284 * @dtim_period: optional, overrides transmitted BSS dtim period 3285 * @dtim_count: optional, overrides transmitted BSS dtim count 3286 */ 3287 struct ieee80211_bssid_index { 3288 u8 bssid_index; 3289 u8 dtim_period; 3290 u8 dtim_count; 3291 }; 3292 3293 /** 3294 * struct ieee80211_multiple_bssid_configuration 3295 * 3296 * This structure refers to "Multiple BSSID Configuration element" 3297 * 3298 * @bssid_count: total number of active BSSIDs in the set 3299 * @profile_periodicity: the least number of beacon frames need to be received 3300 * in order to discover all the nontransmitted BSSIDs in the set. 3301 */ 3302 struct ieee80211_multiple_bssid_configuration { 3303 u8 bssid_count; 3304 u8 profile_periodicity; 3305 }; 3306 3307 #define SUITE(oui, id) (((oui) << 8) | (id)) 3308 3309 /* cipher suite selectors */ 3310 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 3311 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 3312 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 3313 /* reserved: SUITE(0x000FAC, 3) */ 3314 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 3315 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 3316 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 3317 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 3318 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 3319 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 3320 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 3321 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 3322 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 3323 3324 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 3325 3326 /* AKM suite selectors */ 3327 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 3328 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 3329 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 3330 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 3331 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 3332 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 3333 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 3334 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 3335 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 3336 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10) 3337 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 3338 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 3339 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13) 3340 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 3341 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 3342 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 3343 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 3344 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) 3345 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19) 3346 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20) 3347 3348 #define WLAN_MAX_KEY_LEN 32 3349 3350 #define WLAN_PMK_NAME_LEN 16 3351 #define WLAN_PMKID_LEN 16 3352 #define WLAN_PMK_LEN_EAP_LEAP 16 3353 #define WLAN_PMK_LEN 32 3354 #define WLAN_PMK_LEN_SUITE_B_192 48 3355 3356 #define WLAN_OUI_WFA 0x506f9a 3357 #define WLAN_OUI_TYPE_WFA_P2P 9 3358 #define WLAN_OUI_MICROSOFT 0x0050f2 3359 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 3360 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 3361 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 3362 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 3363 3364 /* 3365 * WMM/802.11e Tspec Element 3366 */ 3367 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 3368 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 3369 3370 enum ieee80211_tspec_status_code { 3371 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 3372 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 3373 }; 3374 3375 struct ieee80211_tspec_ie { 3376 u8 element_id; 3377 u8 len; 3378 u8 oui[3]; 3379 u8 oui_type; 3380 u8 oui_subtype; 3381 u8 version; 3382 __le16 tsinfo; 3383 u8 tsinfo_resvd; 3384 __le16 nominal_msdu; 3385 __le16 max_msdu; 3386 __le32 min_service_int; 3387 __le32 max_service_int; 3388 __le32 inactivity_int; 3389 __le32 suspension_int; 3390 __le32 service_start_time; 3391 __le32 min_data_rate; 3392 __le32 mean_data_rate; 3393 __le32 peak_data_rate; 3394 __le32 max_burst_size; 3395 __le32 delay_bound; 3396 __le32 min_phy_rate; 3397 __le16 sba; 3398 __le16 medium_time; 3399 } __packed; 3400 3401 struct ieee80211_he_6ghz_capa { 3402 /* uses IEEE80211_HE_6GHZ_CAP_* below */ 3403 __le16 capa; 3404 } __packed; 3405 3406 /* HE 6 GHz band capabilities */ 3407 /* uses enum ieee80211_min_mpdu_spacing values */ 3408 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007 3409 /* uses enum ieee80211_vht_max_ampdu_length_exp values */ 3410 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038 3411 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */ 3412 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0 3413 /* WLAN_HT_CAP_SM_PS_* values */ 3414 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600 3415 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800 3416 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000 3417 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000 3418 3419 /** 3420 * ieee80211_get_qos_ctl - get pointer to qos control bytes 3421 * @hdr: the frame 3422 * 3423 * The qos ctrl bytes come after the frame_control, duration, seq_num 3424 * and 3 or 4 addresses of length ETH_ALEN. 3425 * 3 addr: 2 + 2 + 2 + 3*6 = 24 3426 * 4 addr: 2 + 2 + 2 + 4*6 = 30 3427 */ 3428 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 3429 { 3430 if (ieee80211_has_a4(hdr->frame_control)) 3431 return (u8 *)hdr + 30; 3432 else 3433 return (u8 *)hdr + 24; 3434 } 3435 3436 /** 3437 * ieee80211_get_tid - get qos TID 3438 * @hdr: the frame 3439 */ 3440 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 3441 { 3442 u8 *qc = ieee80211_get_qos_ctl(hdr); 3443 3444 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 3445 } 3446 3447 /** 3448 * ieee80211_get_SA - get pointer to SA 3449 * @hdr: the frame 3450 * 3451 * Given an 802.11 frame, this function returns the offset 3452 * to the source address (SA). It does not verify that the 3453 * header is long enough to contain the address, and the 3454 * header must be long enough to contain the frame control 3455 * field. 3456 */ 3457 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 3458 { 3459 if (ieee80211_has_a4(hdr->frame_control)) 3460 return hdr->addr4; 3461 if (ieee80211_has_fromds(hdr->frame_control)) 3462 return hdr->addr3; 3463 return hdr->addr2; 3464 } 3465 3466 /** 3467 * ieee80211_get_DA - get pointer to DA 3468 * @hdr: the frame 3469 * 3470 * Given an 802.11 frame, this function returns the offset 3471 * to the destination address (DA). It does not verify that 3472 * the header is long enough to contain the address, and the 3473 * header must be long enough to contain the frame control 3474 * field. 3475 */ 3476 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 3477 { 3478 if (ieee80211_has_tods(hdr->frame_control)) 3479 return hdr->addr3; 3480 else 3481 return hdr->addr1; 3482 } 3483 3484 /** 3485 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 3486 * @hdr: the frame (buffer must include at least the first octet of payload) 3487 */ 3488 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 3489 { 3490 if (ieee80211_is_disassoc(hdr->frame_control) || 3491 ieee80211_is_deauth(hdr->frame_control)) 3492 return true; 3493 3494 if (ieee80211_is_action(hdr->frame_control)) { 3495 u8 *category; 3496 3497 /* 3498 * Action frames, excluding Public Action frames, are Robust 3499 * Management Frames. However, if we are looking at a Protected 3500 * frame, skip the check since the data may be encrypted and 3501 * the frame has already been found to be a Robust Management 3502 * Frame (by the other end). 3503 */ 3504 if (ieee80211_has_protected(hdr->frame_control)) 3505 return true; 3506 category = ((u8 *) hdr) + 24; 3507 return *category != WLAN_CATEGORY_PUBLIC && 3508 *category != WLAN_CATEGORY_HT && 3509 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 3510 *category != WLAN_CATEGORY_SELF_PROTECTED && 3511 *category != WLAN_CATEGORY_UNPROT_DMG && 3512 *category != WLAN_CATEGORY_VHT && 3513 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 3514 } 3515 3516 return false; 3517 } 3518 3519 /** 3520 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 3521 * @skb: the skb containing the frame, length will be checked 3522 */ 3523 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 3524 { 3525 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3526 return false; 3527 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 3528 } 3529 3530 /** 3531 * ieee80211_is_public_action - check if frame is a public action frame 3532 * @hdr: the frame 3533 * @len: length of the frame 3534 */ 3535 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 3536 size_t len) 3537 { 3538 struct ieee80211_mgmt *mgmt = (void *)hdr; 3539 3540 if (len < IEEE80211_MIN_ACTION_SIZE) 3541 return false; 3542 if (!ieee80211_is_action(hdr->frame_control)) 3543 return false; 3544 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 3545 } 3546 3547 /** 3548 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 3549 * privacy action frame 3550 * @hdr: the frame 3551 */ 3552 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 3553 { 3554 struct ieee80211_mgmt *mgmt = (void *)hdr; 3555 3556 if (!ieee80211_is_action(hdr->frame_control) || 3557 !is_multicast_ether_addr(hdr->addr1)) 3558 return false; 3559 3560 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 3561 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 3562 } 3563 3564 /** 3565 * ieee80211_is_group_privacy_action - check if frame is a group addressed 3566 * privacy action frame 3567 * @skb: the skb containing the frame, length will be checked 3568 */ 3569 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 3570 { 3571 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3572 return false; 3573 return _ieee80211_is_group_privacy_action((void *)skb->data); 3574 } 3575 3576 /** 3577 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 3578 * @tu: the TUs 3579 */ 3580 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 3581 { 3582 return 1024 * tu; 3583 } 3584 3585 /** 3586 * ieee80211_check_tim - check if AID bit is set in TIM 3587 * @tim: the TIM IE 3588 * @tim_len: length of the TIM IE 3589 * @aid: the AID to look for 3590 */ 3591 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 3592 u8 tim_len, u16 aid) 3593 { 3594 u8 mask; 3595 u8 index, indexn1, indexn2; 3596 3597 if (unlikely(!tim || tim_len < sizeof(*tim))) 3598 return false; 3599 3600 aid &= 0x3fff; 3601 index = aid / 8; 3602 mask = 1 << (aid & 7); 3603 3604 indexn1 = tim->bitmap_ctrl & 0xfe; 3605 indexn2 = tim_len + indexn1 - 4; 3606 3607 if (index < indexn1 || index > indexn2) 3608 return false; 3609 3610 index -= indexn1; 3611 3612 return !!(tim->virtual_map[index] & mask); 3613 } 3614 3615 /** 3616 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 3617 * @skb: the skb containing the frame, length will not be checked 3618 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 3619 * 3620 * This function assumes the frame is a data frame, and that the network header 3621 * is in the correct place. 3622 */ 3623 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 3624 { 3625 if (!skb_is_nonlinear(skb) && 3626 skb->len > (skb_network_offset(skb) + 2)) { 3627 /* Point to where the indication of TDLS should start */ 3628 const u8 *tdls_data = skb_network_header(skb) - 2; 3629 3630 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 3631 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 3632 tdls_data[3] == WLAN_CATEGORY_TDLS) 3633 return tdls_data[4]; 3634 } 3635 3636 return -1; 3637 } 3638 3639 /* convert time units */ 3640 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 3641 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 3642 3643 /* convert frequencies */ 3644 #define MHZ_TO_KHZ(freq) ((freq) * 1000) 3645 #define KHZ_TO_MHZ(freq) ((freq) / 1000) 3646 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000 3647 #define KHZ_F "%d.%03d" 3648 3649 /* convert powers */ 3650 #define DBI_TO_MBI(gain) ((gain) * 100) 3651 #define MBI_TO_DBI(gain) ((gain) / 100) 3652 #define DBM_TO_MBM(gain) ((gain) * 100) 3653 #define MBM_TO_DBM(gain) ((gain) / 100) 3654 3655 /** 3656 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 3657 * @skb: the skb containing the frame, length will be checked 3658 * 3659 * This function checks if it's either TPC report action frame or Link 3660 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 3661 * and 8.5.7.5 accordingly. 3662 */ 3663 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 3664 { 3665 struct ieee80211_mgmt *mgmt = (void *)skb->data; 3666 3667 if (!ieee80211_is_action(mgmt->frame_control)) 3668 return false; 3669 3670 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 3671 sizeof(mgmt->u.action.u.tpc_report)) 3672 return false; 3673 3674 /* 3675 * TPC report - check that: 3676 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 3677 * spectrum management action = 3 (TPC/Link Measurement report) 3678 * TPC report EID = 35 3679 * TPC report element length = 2 3680 * 3681 * The spectrum management's tpc_report struct is used here both for 3682 * parsing tpc_report and radio measurement's link measurement report 3683 * frame, since the relevant part is identical in both frames. 3684 */ 3685 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 3686 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 3687 return false; 3688 3689 /* both spectrum mgmt and link measurement have same action code */ 3690 if (mgmt->u.action.u.tpc_report.action_code != 3691 WLAN_ACTION_SPCT_TPC_RPRT) 3692 return false; 3693 3694 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 3695 mgmt->u.action.u.tpc_report.tpc_elem_length != 3696 sizeof(struct ieee80211_tpc_report_ie)) 3697 return false; 3698 3699 return true; 3700 } 3701 3702 struct element { 3703 u8 id; 3704 u8 datalen; 3705 u8 data[]; 3706 } __packed; 3707 3708 /* element iteration helpers */ 3709 #define for_each_element(_elem, _data, _datalen) \ 3710 for (_elem = (const struct element *)(_data); \ 3711 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3712 (int)sizeof(*_elem) && \ 3713 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3714 (int)sizeof(*_elem) + _elem->datalen; \ 3715 _elem = (const struct element *)(_elem->data + _elem->datalen)) 3716 3717 #define for_each_element_id(element, _id, data, datalen) \ 3718 for_each_element(element, data, datalen) \ 3719 if (element->id == (_id)) 3720 3721 #define for_each_element_extid(element, extid, _data, _datalen) \ 3722 for_each_element(element, _data, _datalen) \ 3723 if (element->id == WLAN_EID_EXTENSION && \ 3724 element->datalen > 0 && \ 3725 element->data[0] == (extid)) 3726 3727 #define for_each_subelement(sub, element) \ 3728 for_each_element(sub, (element)->data, (element)->datalen) 3729 3730 #define for_each_subelement_id(sub, id, element) \ 3731 for_each_element_id(sub, id, (element)->data, (element)->datalen) 3732 3733 #define for_each_subelement_extid(sub, extid, element) \ 3734 for_each_element_extid(sub, extid, (element)->data, (element)->datalen) 3735 3736 /** 3737 * for_each_element_completed - determine if element parsing consumed all data 3738 * @element: element pointer after for_each_element() or friends 3739 * @data: same data pointer as passed to for_each_element() or friends 3740 * @datalen: same data length as passed to for_each_element() or friends 3741 * 3742 * This function returns %true if all the data was parsed or considered 3743 * while walking the elements. Only use this if your for_each_element() 3744 * loop cannot be broken out of, otherwise it always returns %false. 3745 * 3746 * If some data was malformed, this returns %false since the last parsed 3747 * element will not fill the whole remaining data. 3748 */ 3749 static inline bool for_each_element_completed(const struct element *element, 3750 const void *data, size_t datalen) 3751 { 3752 return (const u8 *)element == (const u8 *)data + datalen; 3753 } 3754 3755 /** 3756 * RSNX Capabilities: 3757 * bits 0-3: Field length (n-1) 3758 */ 3759 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) 3760 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5) 3761 3762 /* 3763 * reduced neighbor report, based on Draft P802.11ax_D5.0, 3764 * section 9.4.2.170 3765 */ 3766 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03 3767 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04 3768 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08 3769 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0 3770 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 8 3771 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 12 3772 3773 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01 3774 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02 3775 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04 3776 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08 3777 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10 3778 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20 3779 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40 3780 3781 struct ieee80211_neighbor_ap_info { 3782 u8 tbtt_info_hdr; 3783 u8 tbtt_info_len; 3784 u8 op_class; 3785 u8 channel; 3786 } __packed; 3787 3788 #endif /* LINUX_IEEE80211_H */ 3789