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 * <[email protected]> 7 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 8 * Copyright (c) 2005, Devicescape Software, Inc. 9 * Copyright (c) 2006, Michael Wu <[email protected]> 10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH 12 * Copyright (c) 2018 - 2024 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 <linux/bitfield.h> 22 #include <asm/byteorder.h> 23 #include <asm/unaligned.h> 24 25 /* 26 * DS bit usage 27 * 28 * TA = transmitter address 29 * RA = receiver address 30 * DA = destination address 31 * SA = source address 32 * 33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 34 * ----------------------------------------------------------------- 35 * 0 0 DA SA BSSID - IBSS/DLS 36 * 0 1 DA BSSID SA - AP -> STA 37 * 1 0 BSSID SA DA - AP <- STA 38 * 1 1 RA TA DA SA unspecified (WDS) 39 */ 40 41 #define FCS_LEN 4 42 43 #define IEEE80211_FCTL_VERS 0x0003 44 #define IEEE80211_FCTL_FTYPE 0x000c 45 #define IEEE80211_FCTL_STYPE 0x00f0 46 #define IEEE80211_FCTL_TODS 0x0100 47 #define IEEE80211_FCTL_FROMDS 0x0200 48 #define IEEE80211_FCTL_MOREFRAGS 0x0400 49 #define IEEE80211_FCTL_RETRY 0x0800 50 #define IEEE80211_FCTL_PM 0x1000 51 #define IEEE80211_FCTL_MOREDATA 0x2000 52 #define IEEE80211_FCTL_PROTECTED 0x4000 53 #define IEEE80211_FCTL_ORDER 0x8000 54 #define IEEE80211_FCTL_CTL_EXT 0x0f00 55 56 #define IEEE80211_SCTL_FRAG 0x000F 57 #define IEEE80211_SCTL_SEQ 0xFFF0 58 59 #define IEEE80211_FTYPE_MGMT 0x0000 60 #define IEEE80211_FTYPE_CTL 0x0004 61 #define IEEE80211_FTYPE_DATA 0x0008 62 #define IEEE80211_FTYPE_EXT 0x000c 63 64 /* management */ 65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 69 #define IEEE80211_STYPE_PROBE_REQ 0x0040 70 #define IEEE80211_STYPE_PROBE_RESP 0x0050 71 #define IEEE80211_STYPE_BEACON 0x0080 72 #define IEEE80211_STYPE_ATIM 0x0090 73 #define IEEE80211_STYPE_DISASSOC 0x00A0 74 #define IEEE80211_STYPE_AUTH 0x00B0 75 #define IEEE80211_STYPE_DEAUTH 0x00C0 76 #define IEEE80211_STYPE_ACTION 0x00D0 77 78 /* control */ 79 #define IEEE80211_STYPE_TRIGGER 0x0020 80 #define IEEE80211_STYPE_CTL_EXT 0x0060 81 #define IEEE80211_STYPE_BACK_REQ 0x0080 82 #define IEEE80211_STYPE_BACK 0x0090 83 #define IEEE80211_STYPE_PSPOLL 0x00A0 84 #define IEEE80211_STYPE_RTS 0x00B0 85 #define IEEE80211_STYPE_CTS 0x00C0 86 #define IEEE80211_STYPE_ACK 0x00D0 87 #define IEEE80211_STYPE_CFEND 0x00E0 88 #define IEEE80211_STYPE_CFENDACK 0x00F0 89 90 /* data */ 91 #define IEEE80211_STYPE_DATA 0x0000 92 #define IEEE80211_STYPE_DATA_CFACK 0x0010 93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 95 #define IEEE80211_STYPE_NULLFUNC 0x0040 96 #define IEEE80211_STYPE_CFACK 0x0050 97 #define IEEE80211_STYPE_CFPOLL 0x0060 98 #define IEEE80211_STYPE_CFACKPOLL 0x0070 99 #define IEEE80211_STYPE_QOS_DATA 0x0080 100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 107 108 /* extension, added by 802.11ad */ 109 #define IEEE80211_STYPE_DMG_BEACON 0x0000 110 #define IEEE80211_STYPE_S1G_BEACON 0x0010 111 112 /* bits unique to S1G beacon */ 113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 114 115 /* see 802.11ah-2016 9.9 NDP CMAC frames */ 116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25 117 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4 118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37 119 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5 120 121 #define IEEE80211_NDP_FTYPE_CTS 0 122 #define IEEE80211_NDP_FTYPE_CF_END 0 123 #define IEEE80211_NDP_FTYPE_PS_POLL 1 124 #define IEEE80211_NDP_FTYPE_ACK 2 125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3 126 #define IEEE80211_NDP_FTYPE_BA 4 127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5 128 #define IEEE80211_NDP_FTYPE_PAGING 6 129 #define IEEE80211_NDP_FTYPE_PREQ 7 130 131 #define SM64(f, v) ((((u64)v) << f##_S) & f) 132 133 /* NDP CMAC frame fields */ 134 #define IEEE80211_NDP_FTYPE 0x0000000000000007 135 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000 136 137 /* 1M Probe Request 11ah 9.9.3.1.1 */ 138 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008 139 #define IEEE80211_NDP_1M_PREQ_ANO_S 3 140 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0 141 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4 142 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000 143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20 144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 145 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 146 /* 2M Probe Request 11ah 9.9.3.1.2 */ 147 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008 148 #define IEEE80211_NDP_2M_PREQ_ANO_S 3 149 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0 150 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4 151 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000 152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36 153 154 #define IEEE80211_ANO_NETTYPE_WILD 15 155 156 /* bits unique to S1G beacon */ 157 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 158 159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 160 #define IEEE80211_CTL_EXT_POLL 0x2000 161 #define IEEE80211_CTL_EXT_SPR 0x3000 162 #define IEEE80211_CTL_EXT_GRANT 0x4000 163 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 164 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 165 #define IEEE80211_CTL_EXT_SSW 0x8000 166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 167 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 168 169 170 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 171 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 172 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 173 174 175 /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */ 176 #define IEEE80211_PV1_FCTL_VERS 0x0003 177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c 178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0 179 #define IEEE80211_PV1_FCTL_FROMDS 0x0100 180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200 181 #define IEEE80211_PV1_FCTL_PM 0x0400 182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800 183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000 184 #define IEEE80211_PV1_FCTL_END_SP 0x2000 185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000 186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000 187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00 188 189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 190 { 191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 192 } 193 194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2) 195 { 196 return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1); 197 } 198 199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 200 { 201 return (sn1 + sn2) & IEEE80211_SN_MASK; 202 } 203 204 static inline u16 ieee80211_sn_inc(u16 sn) 205 { 206 return ieee80211_sn_add(sn, 1); 207 } 208 209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 210 { 211 return (sn1 - sn2) & IEEE80211_SN_MASK; 212 } 213 214 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 215 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 216 217 /* miscellaneous IEEE 802.11 constants */ 218 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 219 #define IEEE80211_MAX_RTS_THRESHOLD 2353 220 #define IEEE80211_MAX_AID 2007 221 #define IEEE80211_MAX_AID_S1G 8191 222 #define IEEE80211_MAX_TIM_LEN 251 223 #define IEEE80211_MAX_MESH_PEERINGS 63 224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 225 6.2.1.1.2. 226 227 802.11e clarifies the figure in section 7.1.2. The frame body is 228 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 229 #define IEEE80211_MAX_DATA_LEN 2304 230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 231 * to 7920 bytes, see 8.2.3 General frame format 232 */ 233 #define IEEE80211_MAX_DATA_LEN_DMG 7920 234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 235 #define IEEE80211_MAX_FRAME_LEN 2352 236 237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 238 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 239 240 /* Maximal size of an A-MSDU */ 241 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 242 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 243 244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 247 248 #define IEEE80211_MAX_SSID_LEN 32 249 250 #define IEEE80211_MAX_MESH_ID_LEN 32 251 252 #define IEEE80211_FIRST_TSPEC_TSID 8 253 #define IEEE80211_NUM_TIDS 16 254 255 /* number of user priorities 802.11 uses */ 256 #define IEEE80211_NUM_UPS 8 257 /* number of ACs */ 258 #define IEEE80211_NUM_ACS 4 259 260 #define IEEE80211_QOS_CTL_LEN 2 261 /* 1d tag mask */ 262 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 263 /* TID mask */ 264 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 265 /* EOSP */ 266 #define IEEE80211_QOS_CTL_EOSP 0x0010 267 /* ACK policy */ 268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 273 /* A-MSDU 802.11n */ 274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 275 /* Mesh Control 802.11s */ 276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 277 278 /* Mesh Power Save Level */ 279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 280 /* Mesh Receiver Service Period Initiated */ 281 #define IEEE80211_QOS_CTL_RSPI 0x0400 282 283 /* U-APSD queue for WMM IEs sent by AP */ 284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 286 287 /* U-APSD queues for WMM IEs sent by STA */ 288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 293 294 /* U-APSD max SP length for WMM IEs sent by STA */ 295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 301 302 #define IEEE80211_HT_CTL_LEN 4 303 304 /* trigger type within common_info of trigger frame */ 305 #define IEEE80211_TRIGGER_TYPE_MASK 0xf 306 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0 307 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1 308 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2 309 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3 310 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4 311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5 312 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6 313 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7 314 315 /* UL-bandwidth within common_info of trigger frame */ 316 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 317 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 318 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 319 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 321 322 struct ieee80211_hdr { 323 __le16 frame_control; 324 __le16 duration_id; 325 struct_group(addrs, 326 u8 addr1[ETH_ALEN]; 327 u8 addr2[ETH_ALEN]; 328 u8 addr3[ETH_ALEN]; 329 ); 330 __le16 seq_ctrl; 331 u8 addr4[ETH_ALEN]; 332 } __packed __aligned(2); 333 334 struct ieee80211_hdr_3addr { 335 __le16 frame_control; 336 __le16 duration_id; 337 u8 addr1[ETH_ALEN]; 338 u8 addr2[ETH_ALEN]; 339 u8 addr3[ETH_ALEN]; 340 __le16 seq_ctrl; 341 } __packed __aligned(2); 342 343 struct ieee80211_qos_hdr { 344 __le16 frame_control; 345 __le16 duration_id; 346 u8 addr1[ETH_ALEN]; 347 u8 addr2[ETH_ALEN]; 348 u8 addr3[ETH_ALEN]; 349 __le16 seq_ctrl; 350 __le16 qos_ctrl; 351 } __packed __aligned(2); 352 353 struct ieee80211_qos_hdr_4addr { 354 __le16 frame_control; 355 __le16 duration_id; 356 u8 addr1[ETH_ALEN]; 357 u8 addr2[ETH_ALEN]; 358 u8 addr3[ETH_ALEN]; 359 __le16 seq_ctrl; 360 u8 addr4[ETH_ALEN]; 361 __le16 qos_ctrl; 362 } __packed __aligned(2); 363 364 struct ieee80211_trigger { 365 __le16 frame_control; 366 __le16 duration; 367 u8 ra[ETH_ALEN]; 368 u8 ta[ETH_ALEN]; 369 __le64 common_info; 370 u8 variable[]; 371 } __packed __aligned(2); 372 373 /** 374 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 375 * @fc: frame control bytes in little-endian byteorder 376 */ 377 static inline bool ieee80211_has_tods(__le16 fc) 378 { 379 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 380 } 381 382 /** 383 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 384 * @fc: frame control bytes in little-endian byteorder 385 */ 386 static inline bool ieee80211_has_fromds(__le16 fc) 387 { 388 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 389 } 390 391 /** 392 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 393 * @fc: frame control bytes in little-endian byteorder 394 */ 395 static inline bool ieee80211_has_a4(__le16 fc) 396 { 397 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 398 return (fc & tmp) == tmp; 399 } 400 401 /** 402 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 403 * @fc: frame control bytes in little-endian byteorder 404 */ 405 static inline bool ieee80211_has_morefrags(__le16 fc) 406 { 407 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 408 } 409 410 /** 411 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 412 * @fc: frame control bytes in little-endian byteorder 413 */ 414 static inline bool ieee80211_has_retry(__le16 fc) 415 { 416 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 417 } 418 419 /** 420 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 421 * @fc: frame control bytes in little-endian byteorder 422 */ 423 static inline bool ieee80211_has_pm(__le16 fc) 424 { 425 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 426 } 427 428 /** 429 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 430 * @fc: frame control bytes in little-endian byteorder 431 */ 432 static inline bool ieee80211_has_moredata(__le16 fc) 433 { 434 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 435 } 436 437 /** 438 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 439 * @fc: frame control bytes in little-endian byteorder 440 */ 441 static inline bool ieee80211_has_protected(__le16 fc) 442 { 443 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 444 } 445 446 /** 447 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 448 * @fc: frame control bytes in little-endian byteorder 449 */ 450 static inline bool ieee80211_has_order(__le16 fc) 451 { 452 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 453 } 454 455 /** 456 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 457 * @fc: frame control bytes in little-endian byteorder 458 */ 459 static inline bool ieee80211_is_mgmt(__le16 fc) 460 { 461 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 462 cpu_to_le16(IEEE80211_FTYPE_MGMT); 463 } 464 465 /** 466 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 467 * @fc: frame control bytes in little-endian byteorder 468 */ 469 static inline bool ieee80211_is_ctl(__le16 fc) 470 { 471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 472 cpu_to_le16(IEEE80211_FTYPE_CTL); 473 } 474 475 /** 476 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 477 * @fc: frame control bytes in little-endian byteorder 478 */ 479 static inline bool ieee80211_is_data(__le16 fc) 480 { 481 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 482 cpu_to_le16(IEEE80211_FTYPE_DATA); 483 } 484 485 /** 486 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT 487 * @fc: frame control bytes in little-endian byteorder 488 */ 489 static inline bool ieee80211_is_ext(__le16 fc) 490 { 491 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 492 cpu_to_le16(IEEE80211_FTYPE_EXT); 493 } 494 495 496 /** 497 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 498 * @fc: frame control bytes in little-endian byteorder 499 */ 500 static inline bool ieee80211_is_data_qos(__le16 fc) 501 { 502 /* 503 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 504 * to check the one bit 505 */ 506 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 507 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 508 } 509 510 /** 511 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 512 * @fc: frame control bytes in little-endian byteorder 513 */ 514 static inline bool ieee80211_is_data_present(__le16 fc) 515 { 516 /* 517 * mask with 0x40 and test that that bit is clear to only return true 518 * for the data-containing substypes. 519 */ 520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 521 cpu_to_le16(IEEE80211_FTYPE_DATA); 522 } 523 524 /** 525 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 526 * @fc: frame control bytes in little-endian byteorder 527 */ 528 static inline bool ieee80211_is_assoc_req(__le16 fc) 529 { 530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 531 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 532 } 533 534 /** 535 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 536 * @fc: frame control bytes in little-endian byteorder 537 */ 538 static inline bool ieee80211_is_assoc_resp(__le16 fc) 539 { 540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 541 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 542 } 543 544 /** 545 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 546 * @fc: frame control bytes in little-endian byteorder 547 */ 548 static inline bool ieee80211_is_reassoc_req(__le16 fc) 549 { 550 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 551 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 552 } 553 554 /** 555 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 556 * @fc: frame control bytes in little-endian byteorder 557 */ 558 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 559 { 560 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 561 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 562 } 563 564 /** 565 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 566 * @fc: frame control bytes in little-endian byteorder 567 */ 568 static inline bool ieee80211_is_probe_req(__le16 fc) 569 { 570 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 571 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 572 } 573 574 /** 575 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 576 * @fc: frame control bytes in little-endian byteorder 577 */ 578 static inline bool ieee80211_is_probe_resp(__le16 fc) 579 { 580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 581 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 582 } 583 584 /** 585 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 586 * @fc: frame control bytes in little-endian byteorder 587 */ 588 static inline bool ieee80211_is_beacon(__le16 fc) 589 { 590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 591 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 592 } 593 594 /** 595 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT && 596 * IEEE80211_STYPE_S1G_BEACON 597 * @fc: frame control bytes in little-endian byteorder 598 */ 599 static inline bool ieee80211_is_s1g_beacon(__le16 fc) 600 { 601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 602 IEEE80211_FCTL_STYPE)) == 603 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON); 604 } 605 606 /** 607 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT && 608 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT 609 * @fc: frame control bytes in little-endian byteorder 610 */ 611 static inline bool ieee80211_next_tbtt_present(__le16 fc) 612 { 613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 614 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) && 615 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT); 616 } 617 618 /** 619 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only 620 * true for S1G beacons when they're short. 621 * @fc: frame control bytes in little-endian byteorder 622 */ 623 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc) 624 { 625 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc); 626 } 627 628 /** 629 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 630 * @fc: frame control bytes in little-endian byteorder 631 */ 632 static inline bool ieee80211_is_atim(__le16 fc) 633 { 634 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 635 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 636 } 637 638 /** 639 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 640 * @fc: frame control bytes in little-endian byteorder 641 */ 642 static inline bool ieee80211_is_disassoc(__le16 fc) 643 { 644 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 645 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 646 } 647 648 /** 649 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 650 * @fc: frame control bytes in little-endian byteorder 651 */ 652 static inline bool ieee80211_is_auth(__le16 fc) 653 { 654 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 655 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 656 } 657 658 /** 659 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 660 * @fc: frame control bytes in little-endian byteorder 661 */ 662 static inline bool ieee80211_is_deauth(__le16 fc) 663 { 664 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 665 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 666 } 667 668 /** 669 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 670 * @fc: frame control bytes in little-endian byteorder 671 */ 672 static inline bool ieee80211_is_action(__le16 fc) 673 { 674 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 675 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 676 } 677 678 /** 679 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 680 * @fc: frame control bytes in little-endian byteorder 681 */ 682 static inline bool ieee80211_is_back_req(__le16 fc) 683 { 684 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 685 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 686 } 687 688 /** 689 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 690 * @fc: frame control bytes in little-endian byteorder 691 */ 692 static inline bool ieee80211_is_back(__le16 fc) 693 { 694 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 695 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 696 } 697 698 /** 699 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 700 * @fc: frame control bytes in little-endian byteorder 701 */ 702 static inline bool ieee80211_is_pspoll(__le16 fc) 703 { 704 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 705 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 706 } 707 708 /** 709 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 710 * @fc: frame control bytes in little-endian byteorder 711 */ 712 static inline bool ieee80211_is_rts(__le16 fc) 713 { 714 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 715 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 716 } 717 718 /** 719 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 720 * @fc: frame control bytes in little-endian byteorder 721 */ 722 static inline bool ieee80211_is_cts(__le16 fc) 723 { 724 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 725 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 726 } 727 728 /** 729 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 730 * @fc: frame control bytes in little-endian byteorder 731 */ 732 static inline bool ieee80211_is_ack(__le16 fc) 733 { 734 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 735 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 736 } 737 738 /** 739 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 740 * @fc: frame control bytes in little-endian byteorder 741 */ 742 static inline bool ieee80211_is_cfend(__le16 fc) 743 { 744 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 745 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 746 } 747 748 /** 749 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 750 * @fc: frame control bytes in little-endian byteorder 751 */ 752 static inline bool ieee80211_is_cfendack(__le16 fc) 753 { 754 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 755 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 756 } 757 758 /** 759 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 760 * @fc: frame control bytes in little-endian byteorder 761 */ 762 static inline bool ieee80211_is_nullfunc(__le16 fc) 763 { 764 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 765 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 766 } 767 768 /** 769 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 770 * @fc: frame control bytes in little-endian byteorder 771 */ 772 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 773 { 774 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 775 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 776 } 777 778 /** 779 * ieee80211_is_trigger - check if frame is trigger frame 780 * @fc: frame control field in little-endian byteorder 781 */ 782 static inline bool ieee80211_is_trigger(__le16 fc) 783 { 784 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 785 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER); 786 } 787 788 /** 789 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame 790 * @fc: frame control bytes in little-endian byteorder 791 */ 792 static inline bool ieee80211_is_any_nullfunc(__le16 fc) 793 { 794 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 795 } 796 797 /** 798 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 799 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 800 */ 801 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 802 { 803 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 804 } 805 806 /** 807 * ieee80211_is_frag - check if a frame is a fragment 808 * @hdr: 802.11 header of the frame 809 */ 810 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 811 { 812 return ieee80211_has_morefrags(hdr->frame_control) || 813 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 814 } 815 816 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr) 817 { 818 return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ); 819 } 820 821 struct ieee80211s_hdr { 822 u8 flags; 823 u8 ttl; 824 __le32 seqnum; 825 u8 eaddr1[ETH_ALEN]; 826 u8 eaddr2[ETH_ALEN]; 827 } __packed __aligned(2); 828 829 /* Mesh flags */ 830 #define MESH_FLAGS_AE_A4 0x1 831 #define MESH_FLAGS_AE_A5_A6 0x2 832 #define MESH_FLAGS_AE 0x3 833 #define MESH_FLAGS_PS_DEEP 0x4 834 835 /** 836 * enum ieee80211_preq_flags - mesh PREQ element flags 837 * 838 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 839 */ 840 enum ieee80211_preq_flags { 841 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 842 }; 843 844 /** 845 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 846 * 847 * @IEEE80211_PREQ_TO_FLAG: target only subfield 848 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 849 */ 850 enum ieee80211_preq_target_flags { 851 IEEE80211_PREQ_TO_FLAG = 1<<0, 852 IEEE80211_PREQ_USN_FLAG = 1<<2, 853 }; 854 855 /** 856 * struct ieee80211_quiet_ie - Quiet element 857 * @count: Quiet Count 858 * @period: Quiet Period 859 * @duration: Quiet Duration 860 * @offset: Quiet Offset 861 * 862 * This structure represents the payload of the "Quiet element" as 863 * described in IEEE Std 802.11-2020 section 9.4.2.22. 864 */ 865 struct ieee80211_quiet_ie { 866 u8 count; 867 u8 period; 868 __le16 duration; 869 __le16 offset; 870 } __packed; 871 872 /** 873 * struct ieee80211_msrment_ie - Measurement element 874 * @token: Measurement Token 875 * @mode: Measurement Report Mode 876 * @type: Measurement Type 877 * @request: Measurement Request or Measurement Report 878 * 879 * This structure represents the payload of both the "Measurement 880 * Request element" and the "Measurement Report element" as described 881 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21. 882 */ 883 struct ieee80211_msrment_ie { 884 u8 token; 885 u8 mode; 886 u8 type; 887 u8 request[]; 888 } __packed; 889 890 /** 891 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element 892 * @mode: Channel Switch Mode 893 * @new_ch_num: New Channel Number 894 * @count: Channel Switch Count 895 * 896 * This structure represents the payload of the "Channel Switch 897 * Announcement element" as described in IEEE Std 802.11-2020 section 898 * 9.4.2.18. 899 */ 900 struct ieee80211_channel_sw_ie { 901 u8 mode; 902 u8 new_ch_num; 903 u8 count; 904 } __packed; 905 906 /** 907 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element 908 * @mode: Channel Switch Mode 909 * @new_operating_class: New Operating Class 910 * @new_ch_num: New Channel Number 911 * @count: Channel Switch Count 912 * 913 * This structure represents the "Extended Channel Switch Announcement 914 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52. 915 */ 916 struct ieee80211_ext_chansw_ie { 917 u8 mode; 918 u8 new_operating_class; 919 u8 new_ch_num; 920 u8 count; 921 } __packed; 922 923 /** 924 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 925 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 926 * values here 927 * This structure represents the "Secondary Channel Offset element" 928 */ 929 struct ieee80211_sec_chan_offs_ie { 930 u8 sec_chan_offs; 931 } __packed; 932 933 /** 934 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 935 * @mesh_ttl: Time To Live 936 * @mesh_flags: Flags 937 * @mesh_reason: Reason Code 938 * @mesh_pre_value: Precedence Value 939 * 940 * This structure represents the payload of the "Mesh Channel Switch 941 * Parameters element" as described in IEEE Std 802.11-2020 section 942 * 9.4.2.102. 943 */ 944 struct ieee80211_mesh_chansw_params_ie { 945 u8 mesh_ttl; 946 u8 mesh_flags; 947 __le16 mesh_reason; 948 __le16 mesh_pre_value; 949 } __packed; 950 951 /** 952 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 953 * @new_channel_width: New Channel Width 954 * @new_center_freq_seg0: New Channel Center Frequency Segment 0 955 * @new_center_freq_seg1: New Channel Center Frequency Segment 1 956 * 957 * This structure represents the payload of the "Wide Bandwidth 958 * Channel Switch element" as described in IEEE Std 802.11-2020 959 * section 9.4.2.160. 960 */ 961 struct ieee80211_wide_bw_chansw_ie { 962 u8 new_channel_width; 963 u8 new_center_freq_seg0, new_center_freq_seg1; 964 } __packed; 965 966 /** 967 * struct ieee80211_tim_ie - Traffic Indication Map information element 968 * @dtim_count: DTIM Count 969 * @dtim_period: DTIM Period 970 * @bitmap_ctrl: Bitmap Control 971 * @required_octet: "Syntatic sugar" to force the struct size to the 972 * minimum valid size when carried in a non-S1G PPDU 973 * @virtual_map: Partial Virtual Bitmap 974 * 975 * This structure represents the payload of the "TIM element" as 976 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this 977 * definition is only applicable when the element is carried in a 978 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap 979 * Control and Partial Virtual Bitmap may not be present. 980 */ 981 struct ieee80211_tim_ie { 982 u8 dtim_count; 983 u8 dtim_period; 984 u8 bitmap_ctrl; 985 union { 986 u8 required_octet; 987 DECLARE_FLEX_ARRAY(u8, virtual_map); 988 }; 989 } __packed; 990 991 /** 992 * struct ieee80211_meshconf_ie - Mesh Configuration element 993 * @meshconf_psel: Active Path Selection Protocol Identifier 994 * @meshconf_pmetric: Active Path Selection Metric Identifier 995 * @meshconf_congest: Congestion Control Mode Identifier 996 * @meshconf_synch: Synchronization Method Identifier 997 * @meshconf_auth: Authentication Protocol Identifier 998 * @meshconf_form: Mesh Formation Info 999 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags) 1000 * 1001 * This structure represents the payload of the "Mesh Configuration 1002 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97. 1003 */ 1004 struct ieee80211_meshconf_ie { 1005 u8 meshconf_psel; 1006 u8 meshconf_pmetric; 1007 u8 meshconf_congest; 1008 u8 meshconf_synch; 1009 u8 meshconf_auth; 1010 u8 meshconf_form; 1011 u8 meshconf_cap; 1012 } __packed; 1013 1014 /** 1015 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 1016 * 1017 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 1018 * additional mesh peerings with other mesh STAs 1019 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 1020 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 1021 * is ongoing 1022 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 1023 * neighbors in deep sleep mode 1024 * 1025 * Enumerates the "Mesh Capability" as described in IEEE Std 1026 * 802.11-2020 section 9.4.2.97.7. 1027 */ 1028 enum mesh_config_capab_flags { 1029 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 1030 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 1031 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 1032 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 1033 }; 1034 1035 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 1036 1037 /* 1038 * mesh channel switch parameters element's flag indicator 1039 * 1040 */ 1041 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 1042 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 1043 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 1044 1045 /** 1046 * struct ieee80211_rann_ie - RANN (root announcement) element 1047 * @rann_flags: Flags 1048 * @rann_hopcount: Hop Count 1049 * @rann_ttl: Element TTL 1050 * @rann_addr: Root Mesh STA Address 1051 * @rann_seq: HWMP Sequence Number 1052 * @rann_interval: Interval 1053 * @rann_metric: Metric 1054 * 1055 * This structure represents the payload of the "RANN element" as 1056 * described in IEEE Std 802.11-2020 section 9.4.2.111. 1057 */ 1058 struct ieee80211_rann_ie { 1059 u8 rann_flags; 1060 u8 rann_hopcount; 1061 u8 rann_ttl; 1062 u8 rann_addr[ETH_ALEN]; 1063 __le32 rann_seq; 1064 __le32 rann_interval; 1065 __le32 rann_metric; 1066 } __packed; 1067 1068 enum ieee80211_rann_flags { 1069 RANN_FLAG_IS_GATE = 1 << 0, 1070 }; 1071 1072 enum ieee80211_ht_chanwidth_values { 1073 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 1074 IEEE80211_HT_CHANWIDTH_ANY = 1, 1075 }; 1076 1077 /** 1078 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits 1079 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 1080 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 1081 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 1082 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 1083 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 1084 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag 1085 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 1086 * (the NSS value is the value of this field + 1) 1087 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 1088 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 1089 * using a beamforming steering matrix 1090 */ 1091 enum ieee80211_vht_opmode_bits { 1092 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03, 1093 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 1094 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 1095 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 1096 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 1097 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04, 1098 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 1099 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 1100 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 1101 }; 1102 1103 /** 1104 * enum ieee80211_s1g_chanwidth 1105 * These are defined in IEEE802.11-2016ah Table 10-20 1106 * as BSS Channel Width 1107 * 1108 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel 1109 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel 1110 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel 1111 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel 1112 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel 1113 */ 1114 enum ieee80211_s1g_chanwidth { 1115 IEEE80211_S1G_CHANWIDTH_1MHZ = 0, 1116 IEEE80211_S1G_CHANWIDTH_2MHZ = 1, 1117 IEEE80211_S1G_CHANWIDTH_4MHZ = 3, 1118 IEEE80211_S1G_CHANWIDTH_8MHZ = 7, 1119 IEEE80211_S1G_CHANWIDTH_16MHZ = 15, 1120 }; 1121 1122 #define WLAN_SA_QUERY_TR_ID_LEN 2 1123 #define WLAN_MEMBERSHIP_LEN 8 1124 #define WLAN_USER_POSITION_LEN 16 1125 1126 /** 1127 * struct ieee80211_tpc_report_ie - TPC Report element 1128 * @tx_power: Transmit Power 1129 * @link_margin: Link Margin 1130 * 1131 * This structure represents the payload of the "TPC Report element" as 1132 * described in IEEE Std 802.11-2020 section 9.4.2.16. 1133 */ 1134 struct ieee80211_tpc_report_ie { 1135 u8 tx_power; 1136 u8 link_margin; 1137 } __packed; 1138 1139 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) 1140 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 1141 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) 1142 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5) 1143 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10 1144 1145 struct ieee80211_addba_ext_ie { 1146 u8 data; 1147 } __packed; 1148 1149 /** 1150 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element 1151 * @compat_info: Compatibility Information 1152 * @beacon_int: Beacon Interval 1153 * @tsf_completion: TSF Completion 1154 * 1155 * This structure represents the payload of the "S1G Beacon 1156 * Compatibility element" as described in IEEE Std 802.11-2020 section 1157 * 9.4.2.196. 1158 */ 1159 struct ieee80211_s1g_bcn_compat_ie { 1160 __le16 compat_info; 1161 __le16 beacon_int; 1162 __le32 tsf_completion; 1163 } __packed; 1164 1165 /** 1166 * struct ieee80211_s1g_oper_ie - S1G Operation element 1167 * @ch_width: S1G Operation Information Channel Width 1168 * @oper_class: S1G Operation Information Operating Class 1169 * @primary_ch: S1G Operation Information Primary Channel Number 1170 * @oper_ch: S1G Operation Information Channel Center Frequency 1171 * @basic_mcs_nss: Basic S1G-MCS and NSS Set 1172 * 1173 * This structure represents the payload of the "S1G Operation 1174 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212. 1175 */ 1176 struct ieee80211_s1g_oper_ie { 1177 u8 ch_width; 1178 u8 oper_class; 1179 u8 primary_ch; 1180 u8 oper_ch; 1181 __le16 basic_mcs_nss; 1182 } __packed; 1183 1184 /** 1185 * struct ieee80211_aid_response_ie - AID Response element 1186 * @aid: AID/Group AID 1187 * @switch_count: AID Switch Count 1188 * @response_int: AID Response Interval 1189 * 1190 * This structure represents the payload of the "AID Response element" 1191 * as described in IEEE Std 802.11-2020 section 9.4.2.194. 1192 */ 1193 struct ieee80211_aid_response_ie { 1194 __le16 aid; 1195 u8 switch_count; 1196 __le16 response_int; 1197 } __packed; 1198 1199 struct ieee80211_s1g_cap { 1200 u8 capab_info[10]; 1201 u8 supp_mcs_nss[5]; 1202 } __packed; 1203 1204 struct ieee80211_ext { 1205 __le16 frame_control; 1206 __le16 duration; 1207 union { 1208 struct { 1209 u8 sa[ETH_ALEN]; 1210 __le32 timestamp; 1211 u8 change_seq; 1212 u8 variable[0]; 1213 } __packed s1g_beacon; 1214 struct { 1215 u8 sa[ETH_ALEN]; 1216 __le32 timestamp; 1217 u8 change_seq; 1218 u8 next_tbtt[3]; 1219 u8 variable[0]; 1220 } __packed s1g_short_beacon; 1221 } u; 1222 } __packed __aligned(2); 1223 1224 #define IEEE80211_TWT_CONTROL_NDP BIT(0) 1225 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1) 1226 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 1227 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 1228 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 1229 1230 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0) 1231 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1) 1232 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 1233 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 1234 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 1235 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7) 1236 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10) 1237 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 1238 1239 enum ieee80211_twt_setup_cmd { 1240 TWT_SETUP_CMD_REQUEST, 1241 TWT_SETUP_CMD_SUGGEST, 1242 TWT_SETUP_CMD_DEMAND, 1243 TWT_SETUP_CMD_GROUPING, 1244 TWT_SETUP_CMD_ACCEPT, 1245 TWT_SETUP_CMD_ALTERNATE, 1246 TWT_SETUP_CMD_DICTATE, 1247 TWT_SETUP_CMD_REJECT, 1248 }; 1249 1250 struct ieee80211_twt_params { 1251 __le16 req_type; 1252 __le64 twt; 1253 u8 min_twt_dur; 1254 __le16 mantissa; 1255 u8 channel; 1256 } __packed; 1257 1258 struct ieee80211_twt_setup { 1259 u8 dialog_token; 1260 u8 element_id; 1261 u8 length; 1262 u8 control; 1263 u8 params[]; 1264 } __packed; 1265 1266 #define IEEE80211_TTLM_MAX_CNT 2 1267 #define IEEE80211_TTLM_CONTROL_DIRECTION 0x03 1268 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04 1269 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08 1270 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10 1271 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20 1272 1273 #define IEEE80211_TTLM_DIRECTION_DOWN 0 1274 #define IEEE80211_TTLM_DIRECTION_UP 1 1275 #define IEEE80211_TTLM_DIRECTION_BOTH 2 1276 1277 /** 1278 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element 1279 * 1280 * Defined in section 9.4.2.314 in P802.11be_D4 1281 * 1282 * @control: the first part of control field 1283 * @optional: the second part of control field 1284 */ 1285 struct ieee80211_ttlm_elem { 1286 u8 control; 1287 u8 optional[]; 1288 } __packed; 1289 1290 struct ieee80211_mgmt { 1291 __le16 frame_control; 1292 __le16 duration; 1293 u8 da[ETH_ALEN]; 1294 u8 sa[ETH_ALEN]; 1295 u8 bssid[ETH_ALEN]; 1296 __le16 seq_ctrl; 1297 union { 1298 struct { 1299 __le16 auth_alg; 1300 __le16 auth_transaction; 1301 __le16 status_code; 1302 /* possibly followed by Challenge text */ 1303 u8 variable[]; 1304 } __packed auth; 1305 struct { 1306 __le16 reason_code; 1307 } __packed deauth; 1308 struct { 1309 __le16 capab_info; 1310 __le16 listen_interval; 1311 /* followed by SSID and Supported rates */ 1312 u8 variable[]; 1313 } __packed assoc_req; 1314 struct { 1315 __le16 capab_info; 1316 __le16 status_code; 1317 __le16 aid; 1318 /* followed by Supported rates */ 1319 u8 variable[]; 1320 } __packed assoc_resp, reassoc_resp; 1321 struct { 1322 __le16 capab_info; 1323 __le16 status_code; 1324 u8 variable[]; 1325 } __packed s1g_assoc_resp, s1g_reassoc_resp; 1326 struct { 1327 __le16 capab_info; 1328 __le16 listen_interval; 1329 u8 current_ap[ETH_ALEN]; 1330 /* followed by SSID and Supported rates */ 1331 u8 variable[]; 1332 } __packed reassoc_req; 1333 struct { 1334 __le16 reason_code; 1335 } __packed disassoc; 1336 struct { 1337 __le64 timestamp; 1338 __le16 beacon_int; 1339 __le16 capab_info; 1340 /* followed by some of SSID, Supported rates, 1341 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 1342 u8 variable[]; 1343 } __packed beacon; 1344 struct { 1345 /* only variable items: SSID, Supported rates */ 1346 DECLARE_FLEX_ARRAY(u8, variable); 1347 } __packed probe_req; 1348 struct { 1349 __le64 timestamp; 1350 __le16 beacon_int; 1351 __le16 capab_info; 1352 /* followed by some of SSID, Supported rates, 1353 * FH Params, DS Params, CF Params, IBSS Params */ 1354 u8 variable[]; 1355 } __packed probe_resp; 1356 struct { 1357 u8 category; 1358 union { 1359 struct { 1360 u8 action_code; 1361 u8 dialog_token; 1362 u8 status_code; 1363 u8 variable[]; 1364 } __packed wme_action; 1365 struct{ 1366 u8 action_code; 1367 u8 variable[]; 1368 } __packed chan_switch; 1369 struct{ 1370 u8 action_code; 1371 struct ieee80211_ext_chansw_ie data; 1372 u8 variable[]; 1373 } __packed ext_chan_switch; 1374 struct{ 1375 u8 action_code; 1376 u8 dialog_token; 1377 u8 element_id; 1378 u8 length; 1379 struct ieee80211_msrment_ie msr_elem; 1380 } __packed measurement; 1381 struct{ 1382 u8 action_code; 1383 u8 dialog_token; 1384 __le16 capab; 1385 __le16 timeout; 1386 __le16 start_seq_num; 1387 /* followed by BA Extension */ 1388 u8 variable[]; 1389 } __packed addba_req; 1390 struct{ 1391 u8 action_code; 1392 u8 dialog_token; 1393 __le16 status; 1394 __le16 capab; 1395 __le16 timeout; 1396 } __packed addba_resp; 1397 struct{ 1398 u8 action_code; 1399 __le16 params; 1400 __le16 reason_code; 1401 } __packed delba; 1402 struct { 1403 u8 action_code; 1404 u8 variable[]; 1405 } __packed self_prot; 1406 struct{ 1407 u8 action_code; 1408 u8 variable[]; 1409 } __packed mesh_action; 1410 struct { 1411 u8 action; 1412 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1413 } __packed sa_query; 1414 struct { 1415 u8 action; 1416 u8 smps_control; 1417 } __packed ht_smps; 1418 struct { 1419 u8 action_code; 1420 u8 chanwidth; 1421 } __packed ht_notify_cw; 1422 struct { 1423 u8 action_code; 1424 u8 dialog_token; 1425 __le16 capability; 1426 u8 variable[0]; 1427 } __packed tdls_discover_resp; 1428 struct { 1429 u8 action_code; 1430 u8 operating_mode; 1431 } __packed vht_opmode_notif; 1432 struct { 1433 u8 action_code; 1434 u8 membership[WLAN_MEMBERSHIP_LEN]; 1435 u8 position[WLAN_USER_POSITION_LEN]; 1436 } __packed vht_group_notif; 1437 struct { 1438 u8 action_code; 1439 u8 dialog_token; 1440 u8 tpc_elem_id; 1441 u8 tpc_elem_length; 1442 struct ieee80211_tpc_report_ie tpc; 1443 } __packed tpc_report; 1444 struct { 1445 u8 action_code; 1446 u8 dialog_token; 1447 u8 follow_up; 1448 u8 tod[6]; 1449 u8 toa[6]; 1450 __le16 tod_error; 1451 __le16 toa_error; 1452 u8 variable[]; 1453 } __packed ftm; 1454 struct { 1455 u8 action_code; 1456 u8 variable[]; 1457 } __packed s1g; 1458 struct { 1459 u8 action_code; 1460 u8 dialog_token; 1461 u8 follow_up; 1462 u32 tod; 1463 u32 toa; 1464 u8 max_tod_error; 1465 u8 max_toa_error; 1466 } __packed wnm_timing_msr; 1467 struct { 1468 u8 action_code; 1469 u8 dialog_token; 1470 u8 variable[]; 1471 } __packed ttlm_req; 1472 struct { 1473 u8 action_code; 1474 u8 dialog_token; 1475 u8 status_code; 1476 u8 variable[]; 1477 } __packed ttlm_res; 1478 struct { 1479 u8 action_code; 1480 } __packed ttlm_tear_down; 1481 } u; 1482 } __packed action; 1483 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */ 1484 } u; 1485 } __packed __aligned(2); 1486 1487 /* Supported rates membership selectors */ 1488 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1489 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1490 #define BSS_MEMBERSHIP_SELECTOR_GLK 125 1491 #define BSS_MEMBERSHIP_SELECTOR_EPS 124 1492 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123 1493 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122 1494 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121 1495 1496 /* mgmt header + 1 byte category code */ 1497 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1498 1499 1500 /* Management MIC information element (IEEE 802.11w) */ 1501 struct ieee80211_mmie { 1502 u8 element_id; 1503 u8 length; 1504 __le16 key_id; 1505 u8 sequence_number[6]; 1506 u8 mic[8]; 1507 } __packed; 1508 1509 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1510 struct ieee80211_mmie_16 { 1511 u8 element_id; 1512 u8 length; 1513 __le16 key_id; 1514 u8 sequence_number[6]; 1515 u8 mic[16]; 1516 } __packed; 1517 1518 struct ieee80211_vendor_ie { 1519 u8 element_id; 1520 u8 len; 1521 u8 oui[3]; 1522 u8 oui_type; 1523 } __packed; 1524 1525 struct ieee80211_wmm_ac_param { 1526 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1527 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1528 __le16 txop_limit; 1529 } __packed; 1530 1531 struct ieee80211_wmm_param_ie { 1532 u8 element_id; /* Element ID: 221 (0xdd); */ 1533 u8 len; /* Length: 24 */ 1534 /* required fields for WMM version 1 */ 1535 u8 oui[3]; /* 00:50:f2 */ 1536 u8 oui_type; /* 2 */ 1537 u8 oui_subtype; /* 1 */ 1538 u8 version; /* 1 for WMM version 1.0 */ 1539 u8 qos_info; /* AP/STA specific QoS info */ 1540 u8 reserved; /* 0 */ 1541 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1542 struct ieee80211_wmm_ac_param ac[4]; 1543 } __packed; 1544 1545 /* Control frames */ 1546 struct ieee80211_rts { 1547 __le16 frame_control; 1548 __le16 duration; 1549 u8 ra[ETH_ALEN]; 1550 u8 ta[ETH_ALEN]; 1551 } __packed __aligned(2); 1552 1553 struct ieee80211_cts { 1554 __le16 frame_control; 1555 __le16 duration; 1556 u8 ra[ETH_ALEN]; 1557 } __packed __aligned(2); 1558 1559 struct ieee80211_pspoll { 1560 __le16 frame_control; 1561 __le16 aid; 1562 u8 bssid[ETH_ALEN]; 1563 u8 ta[ETH_ALEN]; 1564 } __packed __aligned(2); 1565 1566 /* TDLS */ 1567 1568 /* Channel switch timing */ 1569 struct ieee80211_ch_switch_timing { 1570 __le16 switch_time; 1571 __le16 switch_timeout; 1572 } __packed; 1573 1574 /* Link-id information element */ 1575 struct ieee80211_tdls_lnkie { 1576 u8 ie_type; /* Link Identifier IE */ 1577 u8 ie_len; 1578 u8 bssid[ETH_ALEN]; 1579 u8 init_sta[ETH_ALEN]; 1580 u8 resp_sta[ETH_ALEN]; 1581 } __packed; 1582 1583 struct ieee80211_tdls_data { 1584 u8 da[ETH_ALEN]; 1585 u8 sa[ETH_ALEN]; 1586 __be16 ether_type; 1587 u8 payload_type; 1588 u8 category; 1589 u8 action_code; 1590 union { 1591 struct { 1592 u8 dialog_token; 1593 __le16 capability; 1594 u8 variable[0]; 1595 } __packed setup_req; 1596 struct { 1597 __le16 status_code; 1598 u8 dialog_token; 1599 __le16 capability; 1600 u8 variable[0]; 1601 } __packed setup_resp; 1602 struct { 1603 __le16 status_code; 1604 u8 dialog_token; 1605 u8 variable[0]; 1606 } __packed setup_cfm; 1607 struct { 1608 __le16 reason_code; 1609 u8 variable[0]; 1610 } __packed teardown; 1611 struct { 1612 u8 dialog_token; 1613 u8 variable[0]; 1614 } __packed discover_req; 1615 struct { 1616 u8 target_channel; 1617 u8 oper_class; 1618 u8 variable[0]; 1619 } __packed chan_switch_req; 1620 struct { 1621 __le16 status_code; 1622 u8 variable[0]; 1623 } __packed chan_switch_resp; 1624 } u; 1625 } __packed; 1626 1627 /* 1628 * Peer-to-Peer IE attribute related definitions. 1629 */ 1630 /* 1631 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1632 */ 1633 enum ieee80211_p2p_attr_id { 1634 IEEE80211_P2P_ATTR_STATUS = 0, 1635 IEEE80211_P2P_ATTR_MINOR_REASON, 1636 IEEE80211_P2P_ATTR_CAPABILITY, 1637 IEEE80211_P2P_ATTR_DEVICE_ID, 1638 IEEE80211_P2P_ATTR_GO_INTENT, 1639 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1640 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1641 IEEE80211_P2P_ATTR_GROUP_BSSID, 1642 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1643 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1644 IEEE80211_P2P_ATTR_MANAGABILITY, 1645 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1646 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1647 IEEE80211_P2P_ATTR_DEVICE_INFO, 1648 IEEE80211_P2P_ATTR_GROUP_INFO, 1649 IEEE80211_P2P_ATTR_GROUP_ID, 1650 IEEE80211_P2P_ATTR_INTERFACE, 1651 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1652 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1653 /* 19 - 220: Reserved */ 1654 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1655 1656 IEEE80211_P2P_ATTR_MAX 1657 }; 1658 1659 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1660 /* Typical max value used here */ 1661 #define IEEE80211_P2P_NOA_DESC_MAX 4 1662 1663 struct ieee80211_p2p_noa_desc { 1664 u8 count; 1665 __le32 duration; 1666 __le32 interval; 1667 __le32 start_time; 1668 } __packed; 1669 1670 struct ieee80211_p2p_noa_attr { 1671 u8 index; 1672 u8 oppps_ctwindow; 1673 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1674 } __packed; 1675 1676 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1677 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1678 1679 /** 1680 * struct ieee80211_bar - Block Ack Request frame format 1681 * @frame_control: Frame Control 1682 * @duration: Duration 1683 * @ra: RA 1684 * @ta: TA 1685 * @control: BAR Control 1686 * @start_seq_num: Starting Sequence Number (see Figure 9-37) 1687 * 1688 * This structure represents the "BlockAckReq frame format" 1689 * as described in IEEE Std 802.11-2020 section 9.3.1.7. 1690 */ 1691 struct ieee80211_bar { 1692 __le16 frame_control; 1693 __le16 duration; 1694 __u8 ra[ETH_ALEN]; 1695 __u8 ta[ETH_ALEN]; 1696 __le16 control; 1697 __le16 start_seq_num; 1698 } __packed; 1699 1700 /* 802.11 BAR control masks */ 1701 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1702 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1703 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1704 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1705 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1706 1707 #define IEEE80211_HT_MCS_MASK_LEN 10 1708 1709 /** 1710 * struct ieee80211_mcs_info - Supported MCS Set field 1711 * @rx_mask: RX mask 1712 * @rx_highest: highest supported RX rate. If set represents 1713 * the highest supported RX data rate in units of 1 Mbps. 1714 * If this field is 0 this value should not be used to 1715 * consider the highest RX data rate supported. 1716 * @tx_params: TX parameters 1717 * @reserved: Reserved bits 1718 * 1719 * This structure represents the "Supported MCS Set field" as 1720 * described in IEEE Std 802.11-2020 section 9.4.2.55.4. 1721 */ 1722 struct ieee80211_mcs_info { 1723 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1724 __le16 rx_highest; 1725 u8 tx_params; 1726 u8 reserved[3]; 1727 } __packed; 1728 1729 /* 802.11n HT capability MSC set */ 1730 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1731 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1732 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1733 /* value 0 == 1 stream etc */ 1734 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1735 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1736 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1737 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1738 1739 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3))) 1740 1741 /* 1742 * 802.11n D5.0 20.3.5 / 20.6 says: 1743 * - indices 0 to 7 and 32 are single spatial stream 1744 * - 8 to 31 are multiple spatial streams using equal modulation 1745 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1746 * - remainder are multiple spatial streams using unequal modulation 1747 */ 1748 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1749 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1750 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1751 1752 /** 1753 * struct ieee80211_ht_cap - HT capabilities element 1754 * @cap_info: HT Capability Information 1755 * @ampdu_params_info: A-MPDU Parameters 1756 * @mcs: Supported MCS Set 1757 * @extended_ht_cap_info: HT Extended Capabilities 1758 * @tx_BF_cap_info: Transmit Beamforming Capabilities 1759 * @antenna_selection_info: ASEL Capability 1760 * 1761 * This structure represents the payload of the "HT Capabilities 1762 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55. 1763 */ 1764 struct ieee80211_ht_cap { 1765 __le16 cap_info; 1766 u8 ampdu_params_info; 1767 1768 /* 16 bytes MCS information */ 1769 struct ieee80211_mcs_info mcs; 1770 1771 __le16 extended_ht_cap_info; 1772 __le32 tx_BF_cap_info; 1773 u8 antenna_selection_info; 1774 } __packed; 1775 1776 /* 802.11n HT capabilities masks (for cap_info) */ 1777 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1778 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1779 #define IEEE80211_HT_CAP_SM_PS 0x000C 1780 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1781 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1782 #define IEEE80211_HT_CAP_SGI_20 0x0020 1783 #define IEEE80211_HT_CAP_SGI_40 0x0040 1784 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1785 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1786 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1787 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1788 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1789 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1790 #define IEEE80211_HT_CAP_RESERVED 0x2000 1791 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1792 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1793 1794 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1795 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1796 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1797 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1798 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1799 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1800 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1801 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1802 1803 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1804 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1805 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1806 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1807 1808 /* 1809 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1810 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1811 */ 1812 enum ieee80211_max_ampdu_length_exp { 1813 IEEE80211_HT_MAX_AMPDU_8K = 0, 1814 IEEE80211_HT_MAX_AMPDU_16K = 1, 1815 IEEE80211_HT_MAX_AMPDU_32K = 2, 1816 IEEE80211_HT_MAX_AMPDU_64K = 3 1817 }; 1818 1819 /* 1820 * Maximum length of AMPDU that the STA can receive in VHT. 1821 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1822 */ 1823 enum ieee80211_vht_max_ampdu_length_exp { 1824 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1825 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1826 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1827 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1828 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1829 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1830 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1831 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1832 }; 1833 1834 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1835 1836 /* Minimum MPDU start spacing */ 1837 enum ieee80211_min_mpdu_spacing { 1838 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1839 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1840 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1841 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1842 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1843 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1844 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1845 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1846 }; 1847 1848 /** 1849 * struct ieee80211_ht_operation - HT operation IE 1850 * @primary_chan: Primary Channel 1851 * @ht_param: HT Operation Information parameters 1852 * @operation_mode: HT Operation Information operation mode 1853 * @stbc_param: HT Operation Information STBC params 1854 * @basic_set: Basic HT-MCS Set 1855 * 1856 * This structure represents the payload of the "HT Operation 1857 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56. 1858 */ 1859 struct ieee80211_ht_operation { 1860 u8 primary_chan; 1861 u8 ht_param; 1862 __le16 operation_mode; 1863 __le16 stbc_param; 1864 u8 basic_set[16]; 1865 } __packed; 1866 1867 /* for ht_param */ 1868 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1869 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1870 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1871 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1872 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1873 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1874 1875 /* for operation_mode */ 1876 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1877 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1878 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1879 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1880 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1881 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1882 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1883 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1884 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1885 1886 /* for stbc_param */ 1887 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1888 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1889 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1890 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1891 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1892 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1893 1894 1895 /* block-ack parameters */ 1896 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1897 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1898 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1899 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1900 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1901 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1902 1903 /* 1904 * A-MPDU buffer sizes 1905 * According to HT size varies from 8 to 64 frames 1906 * HE adds the ability to have up to 256 frames. 1907 * EHT adds the ability to have up to 1K frames. 1908 */ 1909 #define IEEE80211_MIN_AMPDU_BUF 0x8 1910 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1911 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100 1912 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400 1913 1914 1915 /* Spatial Multiplexing Power Save Modes (for capability) */ 1916 #define WLAN_HT_CAP_SM_PS_STATIC 0 1917 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1918 #define WLAN_HT_CAP_SM_PS_INVALID 2 1919 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1920 1921 /* for SM power control field lower two bits */ 1922 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1923 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1924 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1925 1926 /** 1927 * struct ieee80211_vht_mcs_info - VHT MCS information 1928 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1929 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1930 * STA can receive. Rate expressed in units of 1 Mbps. 1931 * If this field is 0 this value should not be used to 1932 * consider the highest RX data rate supported. 1933 * The top 3 bits of this field indicate the Maximum NSTS,total 1934 * (a beamformee capability.) 1935 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1936 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1937 * STA can transmit. Rate expressed in units of 1 Mbps. 1938 * If this field is 0 this value should not be used to 1939 * consider the highest TX data rate supported. 1940 * The top 2 bits of this field are reserved, the 1941 * 3rd bit from the top indiciates VHT Extended NSS BW 1942 * Capability. 1943 */ 1944 struct ieee80211_vht_mcs_info { 1945 __le16 rx_mcs_map; 1946 __le16 rx_highest; 1947 __le16 tx_mcs_map; 1948 __le16 tx_highest; 1949 } __packed; 1950 1951 /* for rx_highest */ 1952 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 1953 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 1954 1955 /* for tx_highest */ 1956 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 1957 1958 /** 1959 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1960 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1961 * number of streams 1962 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1963 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1964 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1965 * 1966 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1967 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1968 * both split into 8 subfields by number of streams. These values indicate 1969 * which MCSes are supported for the number of streams the value appears 1970 * for. 1971 */ 1972 enum ieee80211_vht_mcs_support { 1973 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1974 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1975 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1976 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1977 }; 1978 1979 /** 1980 * struct ieee80211_vht_cap - VHT capabilities 1981 * 1982 * This structure is the "VHT capabilities element" as 1983 * described in 802.11ac D3.0 8.4.2.160 1984 * @vht_cap_info: VHT capability info 1985 * @supp_mcs: VHT MCS supported rates 1986 */ 1987 struct ieee80211_vht_cap { 1988 __le32 vht_cap_info; 1989 struct ieee80211_vht_mcs_info supp_mcs; 1990 } __packed; 1991 1992 /** 1993 * enum ieee80211_vht_chanwidth - VHT channel width 1994 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1995 * determine the channel width (20 or 40 MHz) 1996 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1997 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1998 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1999 */ 2000 enum ieee80211_vht_chanwidth { 2001 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 2002 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 2003 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 2004 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 2005 }; 2006 2007 /** 2008 * struct ieee80211_vht_operation - VHT operation IE 2009 * 2010 * This structure is the "VHT operation element" as 2011 * described in 802.11ac D3.0 8.4.2.161 2012 * @chan_width: Operating channel width 2013 * @center_freq_seg0_idx: center freq segment 0 index 2014 * @center_freq_seg1_idx: center freq segment 1 index 2015 * @basic_mcs_set: VHT Basic MCS rate set 2016 */ 2017 struct ieee80211_vht_operation { 2018 u8 chan_width; 2019 u8 center_freq_seg0_idx; 2020 u8 center_freq_seg1_idx; 2021 __le16 basic_mcs_set; 2022 } __packed; 2023 2024 /** 2025 * struct ieee80211_he_cap_elem - HE capabilities element 2026 * @mac_cap_info: HE MAC Capabilities Information 2027 * @phy_cap_info: HE PHY Capabilities Information 2028 * 2029 * This structure represents the fixed fields of the payload of the 2030 * "HE capabilities element" as described in IEEE Std 802.11ax-2021 2031 * sections 9.4.2.248.2 and 9.4.2.248.3. 2032 */ 2033 struct ieee80211_he_cap_elem { 2034 u8 mac_cap_info[6]; 2035 u8 phy_cap_info[11]; 2036 } __packed; 2037 2038 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 2039 2040 /** 2041 * enum ieee80211_he_mcs_support - HE MCS support definitions 2042 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 2043 * number of streams 2044 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 2045 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 2046 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 2047 * 2048 * These definitions are used in each 2-bit subfield of the rx_mcs_* 2049 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 2050 * both split into 8 subfields by number of streams. These values indicate 2051 * which MCSes are supported for the number of streams the value appears 2052 * for. 2053 */ 2054 enum ieee80211_he_mcs_support { 2055 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 2056 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 2057 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 2058 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 2059 }; 2060 2061 /** 2062 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 2063 * 2064 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 2065 * described in P802.11ax_D2.0 section 9.4.2.237.4 2066 * 2067 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 2068 * widths less than 80MHz. 2069 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 2070 * widths less than 80MHz. 2071 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 2072 * width 160MHz. 2073 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 2074 * width 160MHz. 2075 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 2076 * channel width 80p80MHz. 2077 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 2078 * channel width 80p80MHz. 2079 */ 2080 struct ieee80211_he_mcs_nss_supp { 2081 __le16 rx_mcs_80; 2082 __le16 tx_mcs_80; 2083 __le16 rx_mcs_160; 2084 __le16 tx_mcs_160; 2085 __le16 rx_mcs_80p80; 2086 __le16 tx_mcs_80p80; 2087 } __packed; 2088 2089 /** 2090 * struct ieee80211_he_operation - HE Operation element 2091 * @he_oper_params: HE Operation Parameters + BSS Color Information 2092 * @he_mcs_nss_set: Basic HE-MCS And NSS Set 2093 * @optional: Optional fields VHT Operation Information, Max Co-Hosted 2094 * BSSID Indicator, and 6 GHz Operation Information 2095 * 2096 * This structure represents the payload of the "HE Operation 2097 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249. 2098 */ 2099 struct ieee80211_he_operation { 2100 __le32 he_oper_params; 2101 __le16 he_mcs_nss_set; 2102 u8 optional[]; 2103 } __packed; 2104 2105 /** 2106 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element 2107 * @he_sr_control: SR Control 2108 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD 2109 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color 2110 * Bitmap, and SRG Partial BSSID Bitmap 2111 * 2112 * This structure represents the payload of the "Spatial Reuse 2113 * Parameter Set element" as described in IEEE Std 802.11ax-2021 2114 * section 9.4.2.252. 2115 */ 2116 struct ieee80211_he_spr { 2117 u8 he_sr_control; 2118 u8 optional[]; 2119 } __packed; 2120 2121 /** 2122 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 2123 * @aifsn: ACI/AIFSN 2124 * @ecw_min_max: ECWmin/ECWmax 2125 * @mu_edca_timer: MU EDCA Timer 2126 * 2127 * This structure represents the "MU AC Parameter Record" as described 2128 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p. 2129 */ 2130 struct ieee80211_he_mu_edca_param_ac_rec { 2131 u8 aifsn; 2132 u8 ecw_min_max; 2133 u8 mu_edca_timer; 2134 } __packed; 2135 2136 /** 2137 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 2138 * @mu_qos_info: QoS Info 2139 * @ac_be: MU AC_BE Parameter Record 2140 * @ac_bk: MU AC_BK Parameter Record 2141 * @ac_vi: MU AC_VI Parameter Record 2142 * @ac_vo: MU AC_VO Parameter Record 2143 * 2144 * This structure represents the payload of the "MU EDCA Parameter Set 2145 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251. 2146 */ 2147 struct ieee80211_mu_edca_param_set { 2148 u8 mu_qos_info; 2149 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 2150 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 2151 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 2152 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 2153 } __packed; 2154 2155 #define IEEE80211_EHT_MCS_NSS_RX 0x0f 2156 #define IEEE80211_EHT_MCS_NSS_TX 0xf0 2157 2158 /** 2159 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max 2160 * supported NSS for per MCS. 2161 * 2162 * For each field below, bits 0 - 3 indicate the maximal number of spatial 2163 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams 2164 * for Tx. 2165 * 2166 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams 2167 * supported for reception and the maximum number of spatial streams 2168 * supported for transmission for MCS 0 - 7. 2169 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams 2170 * supported for reception and the maximum number of spatial streams 2171 * supported for transmission for MCS 8 - 9. 2172 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams 2173 * supported for reception and the maximum number of spatial streams 2174 * supported for transmission for MCS 10 - 11. 2175 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams 2176 * supported for reception and the maximum number of spatial streams 2177 * supported for transmission for MCS 12 - 13. 2178 * @rx_tx_max_nss: array of the previous fields for easier loop access 2179 */ 2180 struct ieee80211_eht_mcs_nss_supp_20mhz_only { 2181 union { 2182 struct { 2183 u8 rx_tx_mcs7_max_nss; 2184 u8 rx_tx_mcs9_max_nss; 2185 u8 rx_tx_mcs11_max_nss; 2186 u8 rx_tx_mcs13_max_nss; 2187 }; 2188 u8 rx_tx_max_nss[4]; 2189 }; 2190 }; 2191 2192 /** 2193 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except 2194 * 20MHz only stations). 2195 * 2196 * For each field below, bits 0 - 3 indicate the maximal number of spatial 2197 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams 2198 * for Tx. 2199 * 2200 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams 2201 * supported for reception and the maximum number of spatial streams 2202 * supported for transmission for MCS 0 - 9. 2203 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams 2204 * supported for reception and the maximum number of spatial streams 2205 * supported for transmission for MCS 10 - 11. 2206 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams 2207 * supported for reception and the maximum number of spatial streams 2208 * supported for transmission for MCS 12 - 13. 2209 * @rx_tx_max_nss: array of the previous fields for easier loop access 2210 */ 2211 struct ieee80211_eht_mcs_nss_supp_bw { 2212 union { 2213 struct { 2214 u8 rx_tx_mcs9_max_nss; 2215 u8 rx_tx_mcs11_max_nss; 2216 u8 rx_tx_mcs13_max_nss; 2217 }; 2218 u8 rx_tx_max_nss[3]; 2219 }; 2220 }; 2221 2222 /** 2223 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data 2224 * 2225 * This structure is the "EHT Capabilities element" fixed fields as 2226 * described in P802.11be_D2.0 section 9.4.2.313. 2227 * 2228 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP* 2229 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP* 2230 */ 2231 struct ieee80211_eht_cap_elem_fixed { 2232 u8 mac_cap_info[2]; 2233 u8 phy_cap_info[9]; 2234 } __packed; 2235 2236 /** 2237 * struct ieee80211_eht_cap_elem - EHT capabilities element 2238 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed 2239 * @optional: optional parts 2240 */ 2241 struct ieee80211_eht_cap_elem { 2242 struct ieee80211_eht_cap_elem_fixed fixed; 2243 2244 /* 2245 * Followed by: 2246 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets. 2247 * EHT PPE Thresholds field: variable length. 2248 */ 2249 u8 optional[]; 2250 } __packed; 2251 2252 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01 2253 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02 2254 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04 2255 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08 2256 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30 2257 2258 /** 2259 * struct ieee80211_eht_operation - eht operation element 2260 * 2261 * This structure is the "EHT Operation Element" fields as 2262 * described in P802.11be_D2.0 section 9.4.2.311 2263 * 2264 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_* 2265 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in 2266 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and 2267 * receive. 2268 * @optional: optional parts 2269 */ 2270 struct ieee80211_eht_operation { 2271 u8 params; 2272 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss; 2273 u8 optional[]; 2274 } __packed; 2275 2276 /** 2277 * struct ieee80211_eht_operation_info - eht operation information 2278 * 2279 * @control: EHT operation information control. 2280 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz 2281 * EHT BSS. 2282 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS. 2283 * @optional: optional parts 2284 */ 2285 struct ieee80211_eht_operation_info { 2286 u8 control; 2287 u8 ccfs0; 2288 u8 ccfs1; 2289 u8 optional[]; 2290 } __packed; 2291 2292 /* 802.11ac VHT Capabilities */ 2293 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 2294 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 2295 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 2296 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 2297 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 2298 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 2299 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 2300 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 2301 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 2302 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 2303 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 2304 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 2305 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 2306 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 2307 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 2308 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 2309 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 2310 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 2311 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 2312 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 2313 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 2314 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 2315 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 2316 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 2317 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 2318 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 2319 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 2320 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 2321 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 2322 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 2323 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 2324 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 2325 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 2326 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 2327 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 2328 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 2329 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 2330 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 2331 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 2332 2333 /** 2334 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 2335 * @cap: VHT capabilities of the peer 2336 * @bw: bandwidth to use 2337 * @mcs: MCS index to use 2338 * @ext_nss_bw_capable: indicates whether or not the local transmitter 2339 * (rate scaling algorithm) can deal with the new logic 2340 * (dot11VHTExtendedNSSBWCapable) 2341 * @max_vht_nss: current maximum NSS as advertised by the STA in 2342 * operating mode notification, can be 0 in which case the 2343 * capability data will be used to derive this (from MCS support) 2344 * 2345 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 2346 * vary for a given BW/MCS. This function parses the data. 2347 * 2348 * Note: This function is exported by cfg80211. 2349 */ 2350 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 2351 enum ieee80211_vht_chanwidth bw, 2352 int mcs, bool ext_nss_bw_capable, 2353 unsigned int max_vht_nss); 2354 2355 /** 2356 * enum ieee80211_ap_reg_power - regulatory power for a Access Point 2357 * 2358 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode 2359 * @IEEE80211_REG_LPI_AP: Indoor Access Point 2360 * @IEEE80211_REG_SP_AP: Standard power Access Point 2361 * @IEEE80211_REG_VLP_AP: Very low power Access Point 2362 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal 2363 * @IEEE80211_REG_AP_POWER_MAX: maximum value 2364 */ 2365 enum ieee80211_ap_reg_power { 2366 IEEE80211_REG_UNSET_AP, 2367 IEEE80211_REG_LPI_AP, 2368 IEEE80211_REG_SP_AP, 2369 IEEE80211_REG_VLP_AP, 2370 IEEE80211_REG_AP_POWER_AFTER_LAST, 2371 IEEE80211_REG_AP_POWER_MAX = 2372 IEEE80211_REG_AP_POWER_AFTER_LAST - 1, 2373 }; 2374 2375 /** 2376 * enum ieee80211_client_reg_power - regulatory power for a client 2377 * 2378 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode 2379 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client 2380 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client 2381 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal 2382 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value 2383 */ 2384 enum ieee80211_client_reg_power { 2385 IEEE80211_REG_UNSET_CLIENT, 2386 IEEE80211_REG_DEFAULT_CLIENT, 2387 IEEE80211_REG_SUBORDINATE_CLIENT, 2388 IEEE80211_REG_CLIENT_POWER_AFTER_LAST, 2389 IEEE80211_REG_CLIENT_POWER_MAX = 2390 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1, 2391 }; 2392 2393 /* 802.11ax HE MAC capabilities */ 2394 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 2395 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 2396 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 2397 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 2398 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 2399 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 2400 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 2401 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 2402 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 2403 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 2404 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 2405 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 2406 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 2407 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 2408 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 2409 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 2410 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 2411 2412 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 2413 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 2414 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 2415 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 2416 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 2417 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 2418 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 2419 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 2420 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 2421 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 2422 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 2423 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 2424 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 2425 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 2426 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 2427 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 2428 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 2429 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 2430 2431 /* Link adaptation is split between byte HE_MAC_CAP1 and 2432 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 2433 * in which case the following values apply: 2434 * 0 = No feedback. 2435 * 1 = reserved. 2436 * 2 = Unsolicited feedback. 2437 * 3 = both 2438 */ 2439 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 2440 2441 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 2442 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 2443 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 2444 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 2445 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 2446 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 2447 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 2448 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 2449 2450 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 2451 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 2452 2453 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 2454 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 2455 * same field in the HE capabilities. 2456 */ 2457 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00 2458 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08 2459 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10 2460 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18 2461 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 2462 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 2463 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 2464 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 2465 2466 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 2467 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 2468 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 2469 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08 2470 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 2471 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 2472 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40 2473 /* Multi TID agg TX is split between byte #4 and #5 2474 * The value is a combination of B39,B40,B41 2475 */ 2476 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 2477 2478 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 2479 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 2480 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04 2481 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 2482 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 2483 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 2484 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 2485 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 2486 2487 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 2488 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 2489 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 2490 2491 /* 802.11ax HE PHY capabilities */ 2492 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 2493 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 2494 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 2495 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 2496 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e 2497 2498 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 2499 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 2500 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 2501 2502 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 2503 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 2504 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 2505 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 2506 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 2507 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 2508 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 2509 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 2510 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 2511 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 2512 2513 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 2514 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 2515 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 2516 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 2517 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 2518 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 2519 2520 /* Note that the meaning of UL MU below is different between an AP and a non-AP 2521 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 2522 * case it indicates support for Tx. 2523 */ 2524 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 2525 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 2526 2527 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 2528 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 2529 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 2530 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 2531 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 2532 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 2533 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 2534 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 2535 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 2536 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 2537 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 2538 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 2539 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 2540 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 2541 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40 2542 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 2543 2544 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 2545 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 2546 2547 /* Minimal allowed value of Max STS under 80MHz is 3 */ 2548 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 2549 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 2550 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 2551 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 2552 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 2553 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 2554 2555 /* Minimal allowed value of Max STS above 80MHz is 3 */ 2556 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 2557 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 2558 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 2559 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 2560 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 2561 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 2562 2563 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 2564 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 2565 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 2566 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 2567 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 2568 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 2569 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 2570 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 2571 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 2572 2573 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 2574 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 2575 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 2576 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 2577 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 2578 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 2579 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 2580 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 2581 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 2582 2583 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 2584 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 2585 2586 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 2587 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 2588 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04 2589 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08 2590 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 2591 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 2592 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 2593 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 2594 2595 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01 2596 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02 2597 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 2598 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 2599 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 2600 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 2601 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 2602 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 2603 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 2604 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 2605 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 2606 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 2607 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 2608 2609 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 2610 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 2611 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 2612 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 2613 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 2614 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 2615 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 2616 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 2617 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 2618 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 2619 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 2620 2621 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 2622 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 2623 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 2624 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 2625 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 2626 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 2627 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0 2628 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1 2629 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2 2630 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3 2631 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6 2632 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0 2633 2634 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01 2635 2636 /* 802.11ax HE TX/RX MCS NSS Support */ 2637 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 2638 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 2639 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 2640 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 2641 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 2642 2643 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 2644 enum ieee80211_he_highest_mcs_supported_subfield_enc { 2645 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 2646 HIGHEST_MCS_SUPPORTED_MCS8, 2647 HIGHEST_MCS_SUPPORTED_MCS9, 2648 HIGHEST_MCS_SUPPORTED_MCS10, 2649 HIGHEST_MCS_SUPPORTED_MCS11, 2650 }; 2651 2652 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 2653 static inline u8 2654 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 2655 { 2656 u8 count = 4; 2657 2658 if (he_cap->phy_cap_info[0] & 2659 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2660 count += 4; 2661 2662 if (he_cap->phy_cap_info[0] & 2663 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2664 count += 4; 2665 2666 return count; 2667 } 2668 2669 /* 802.11ax HE PPE Thresholds */ 2670 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 2671 #define IEEE80211_PPE_THRES_NSS_POS (0) 2672 #define IEEE80211_PPE_THRES_NSS_MASK (7) 2673 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 2674 (BIT(5) | BIT(6)) 2675 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 2676 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 2677 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 2678 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7) 2679 2680 /* 2681 * Calculate 802.11ax HE capabilities IE PPE field size 2682 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 2683 */ 2684 static inline u8 2685 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 2686 { 2687 u8 n; 2688 2689 if ((phy_cap_info[6] & 2690 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 2691 return 0; 2692 2693 n = hweight8(ppe_thres_hdr & 2694 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2695 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2696 IEEE80211_PPE_THRES_NSS_POS)); 2697 2698 /* 2699 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2700 * total size. 2701 */ 2702 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2703 n = DIV_ROUND_UP(n, 8); 2704 2705 return n; 2706 } 2707 2708 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len) 2709 { 2710 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data; 2711 u8 needed = sizeof(*he_cap_ie_elem); 2712 2713 if (len < needed) 2714 return false; 2715 2716 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem); 2717 if (len < needed) 2718 return false; 2719 2720 if (he_cap_ie_elem->phy_cap_info[6] & 2721 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2722 if (len < needed + 1) 2723 return false; 2724 needed += ieee80211_he_ppe_size(data[needed], 2725 he_cap_ie_elem->phy_cap_info); 2726 } 2727 2728 return len >= needed; 2729 } 2730 2731 /* HE Operation defines */ 2732 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007 2733 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2734 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2735 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2736 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2737 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 2738 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2739 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 2740 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2741 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2742 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2743 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2744 2745 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0 2746 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1 2747 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2 2748 2749 /** 2750 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field 2751 * @primary: primary channel 2752 * @control: control flags 2753 * @ccfs0: channel center frequency segment 0 2754 * @ccfs1: channel center frequency segment 1 2755 * @minrate: minimum rate (in 1 Mbps units) 2756 */ 2757 struct ieee80211_he_6ghz_oper { 2758 u8 primary; 2759 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3 2760 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0 2761 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1 2762 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2 2763 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3 2764 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4 2765 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38 2766 u8 control; 2767 u8 ccfs0; 2768 u8 ccfs1; 2769 u8 minrate; 2770 } __packed; 2771 2772 /* 2773 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021", 2774 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation 2775 * subfield encoding", and two category for each type in "Table E-12-Regulatory 2776 * Info subfield encoding in the United States". 2777 * So it it totally max 8 Transmit Power Envelope element. 2778 */ 2779 #define IEEE80211_TPE_MAX_IE_COUNT 8 2780 /* 2781 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield" 2782 * of "IEEE Std 802.11ax™‐2021", the max power level is 8. 2783 */ 2784 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 2785 2786 #define IEEE80211_TPE_MAX_POWER_COUNT 8 2787 2788 /* transmit power interpretation type of transmit power envelope element */ 2789 enum ieee80211_tx_power_intrpt_type { 2790 IEEE80211_TPE_LOCAL_EIRP, 2791 IEEE80211_TPE_LOCAL_EIRP_PSD, 2792 IEEE80211_TPE_REG_CLIENT_EIRP, 2793 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 2794 }; 2795 2796 /** 2797 * struct ieee80211_tx_pwr_env - Transmit Power Envelope 2798 * @tx_power_info: Transmit Power Information field 2799 * @tx_power: Maximum Transmit Power field 2800 * 2801 * This structure represents the payload of the "Transmit Power 2802 * Envelope element" as described in IEEE Std 802.11ax-2021 section 2803 * 9.4.2.161 2804 */ 2805 struct ieee80211_tx_pwr_env { 2806 u8 tx_power_info; 2807 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT]; 2808 } __packed; 2809 2810 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7 2811 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 2812 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0 2813 2814 /* 2815 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2816 * @he_oper_ie: byte data of the He Operations IE, stating from the byte 2817 * after the ext ID byte. It is assumed that he_oper_ie has at least 2818 * sizeof(struct ieee80211_he_operation) bytes, the caller must have 2819 * validated this. 2820 * @return the actual size of the IE data (not including header), or 0 on error 2821 */ 2822 static inline u8 2823 ieee80211_he_oper_size(const u8 *he_oper_ie) 2824 { 2825 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie; 2826 u8 oper_len = sizeof(struct ieee80211_he_operation); 2827 u32 he_oper_params; 2828 2829 /* Make sure the input is not NULL */ 2830 if (!he_oper_ie) 2831 return 0; 2832 2833 /* Calc required length */ 2834 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2835 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2836 oper_len += 3; 2837 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2838 oper_len++; 2839 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) 2840 oper_len += sizeof(struct ieee80211_he_6ghz_oper); 2841 2842 /* Add the first byte (extension ID) to the total length */ 2843 oper_len++; 2844 2845 return oper_len; 2846 } 2847 2848 /** 2849 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field 2850 * @he_oper: HE operation element (must be pre-validated for size) 2851 * but may be %NULL 2852 * 2853 * Return: a pointer to the 6 GHz operation field, or %NULL 2854 */ 2855 static inline const struct ieee80211_he_6ghz_oper * 2856 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper) 2857 { 2858 const u8 *ret; 2859 u32 he_oper_params; 2860 2861 if (!he_oper) 2862 return NULL; 2863 2864 ret = (const void *)&he_oper->optional; 2865 2866 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2867 2868 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)) 2869 return NULL; 2870 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2871 ret += 3; 2872 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2873 ret++; 2874 2875 return (const void *)ret; 2876 } 2877 2878 /* HE Spatial Reuse defines */ 2879 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0) 2880 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1) 2881 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2) 2882 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3) 2883 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4) 2884 2885 /* 2886 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size 2887 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte 2888 * after the ext ID byte. It is assumed that he_spr_ie has at least 2889 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated 2890 * this 2891 * @return the actual size of the IE data (not including header), or 0 on error 2892 */ 2893 static inline u8 2894 ieee80211_he_spr_size(const u8 *he_spr_ie) 2895 { 2896 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie; 2897 u8 spr_len = sizeof(struct ieee80211_he_spr); 2898 u8 he_spr_params; 2899 2900 /* Make sure the input is not NULL */ 2901 if (!he_spr_ie) 2902 return 0; 2903 2904 /* Calc required length */ 2905 he_spr_params = he_spr->he_sr_control; 2906 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 2907 spr_len++; 2908 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) 2909 spr_len += 18; 2910 2911 /* Add the first byte (extension ID) to the total length */ 2912 spr_len++; 2913 2914 return spr_len; 2915 } 2916 2917 /* S1G Capabilities Information field */ 2918 #define IEEE80211_S1G_CAPABILITY_LEN 15 2919 2920 #define S1G_CAP0_S1G_LONG BIT(0) 2921 #define S1G_CAP0_SGI_1MHZ BIT(1) 2922 #define S1G_CAP0_SGI_2MHZ BIT(2) 2923 #define S1G_CAP0_SGI_4MHZ BIT(3) 2924 #define S1G_CAP0_SGI_8MHZ BIT(4) 2925 #define S1G_CAP0_SGI_16MHZ BIT(5) 2926 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6) 2927 2928 #define S1G_SUPP_CH_WIDTH_2 0 2929 #define S1G_SUPP_CH_WIDTH_4 1 2930 #define S1G_SUPP_CH_WIDTH_8 2 2931 #define S1G_SUPP_CH_WIDTH_16 3 2932 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \ 2933 cap[0])) << 1) 2934 2935 #define S1G_CAP1_RX_LDPC BIT(0) 2936 #define S1G_CAP1_TX_STBC BIT(1) 2937 #define S1G_CAP1_RX_STBC BIT(2) 2938 #define S1G_CAP1_SU_BFER BIT(3) 2939 #define S1G_CAP1_SU_BFEE BIT(4) 2940 #define S1G_CAP1_BFEE_STS GENMASK(7, 5) 2941 2942 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0) 2943 #define S1G_CAP2_MU_BFER BIT(3) 2944 #define S1G_CAP2_MU_BFEE BIT(4) 2945 #define S1G_CAP2_PLUS_HTC_VHT BIT(5) 2946 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6) 2947 2948 #define S1G_CAP3_RD_RESPONDER BIT(0) 2949 #define S1G_CAP3_HT_DELAYED_BA BIT(1) 2950 #define S1G_CAP3_MAX_MPDU_LEN BIT(2) 2951 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3) 2952 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5) 2953 2954 #define S1G_CAP4_UPLINK_SYNC BIT(0) 2955 #define S1G_CAP4_DYNAMIC_AID BIT(1) 2956 #define S1G_CAP4_BAT BIT(2) 2957 #define S1G_CAP4_TIME_ADE BIT(3) 2958 #define S1G_CAP4_NON_TIM BIT(4) 2959 #define S1G_CAP4_GROUP_AID BIT(5) 2960 #define S1G_CAP4_STA_TYPE GENMASK(7, 6) 2961 2962 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0) 2963 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1) 2964 #define S1G_CAP5_AMSDU BIT(2) 2965 #define S1G_CAP5_AMPDU BIT(3) 2966 #define S1G_CAP5_ASYMMETRIC_BA BIT(4) 2967 #define S1G_CAP5_FLOW_CONTROL BIT(5) 2968 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6) 2969 2970 #define S1G_CAP6_OBSS_MITIGATION BIT(0) 2971 #define S1G_CAP6_FRAGMENT_BA BIT(1) 2972 #define S1G_CAP6_NDP_PS_POLL BIT(2) 2973 #define S1G_CAP6_RAW_OPERATION BIT(3) 2974 #define S1G_CAP6_PAGE_SLICING BIT(4) 2975 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5) 2976 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6) 2977 2978 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0) 2979 #define S1G_CAP7_DUP_1MHZ BIT(1) 2980 #define S1G_CAP7_MCS_NEGOTIATION BIT(2) 2981 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3) 2982 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4) 2983 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5) 2984 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6) 2985 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7) 2986 2987 #define S1G_CAP8_TWT_GROUPING BIT(0) 2988 #define S1G_CAP8_BDT BIT(1) 2989 #define S1G_CAP8_COLOR GENMASK(4, 2) 2990 #define S1G_CAP8_TWT_REQUEST BIT(5) 2991 #define S1G_CAP8_TWT_RESPOND BIT(6) 2992 #define S1G_CAP8_PV1_FRAME BIT(7) 2993 2994 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0) 2995 2996 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0) 2997 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1) 2998 2999 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */ 3000 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01 3001 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02 3002 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04 3003 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08 3004 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10 3005 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20 3006 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0 3007 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0 3008 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1 3009 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2 3010 3011 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01 3012 3013 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */ 3014 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02 3015 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04 3016 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08 3017 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10 3018 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20 3019 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40 3020 3021 /* EHT beamformee number of spatial streams <= 80MHz is split */ 3022 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80 3023 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03 3024 3025 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c 3026 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0 3027 3028 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07 3029 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38 3030 3031 /* EHT number of sounding dimensions for 320MHz is split */ 3032 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0 3033 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01 3034 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02 3035 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04 3036 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08 3037 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10 3038 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20 3039 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40 3040 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80 3041 3042 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01 3043 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02 3044 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04 3045 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08 3046 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0 3047 3048 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01 3049 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02 3050 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04 3051 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08 3052 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30 3053 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0 3054 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1 3055 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2 3056 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3 3057 3058 /* Maximum number of supported EHT LTF is split */ 3059 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0 3060 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40 3061 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07 3062 3063 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08 3064 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30 3065 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40 3066 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78 3067 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80 3068 3069 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01 3070 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02 3071 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04 3072 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08 3073 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10 3074 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20 3075 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40 3076 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80 3077 3078 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01 3079 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02 3080 3081 /* 3082 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311 3083 */ 3084 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7 3085 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0 3086 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1 3087 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2 3088 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3 3089 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4 3090 3091 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */ 3092 static inline u8 3093 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap, 3094 const struct ieee80211_eht_cap_elem_fixed *eht_cap, 3095 bool from_ap) 3096 { 3097 u8 count = 0; 3098 3099 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */ 3100 if (he_cap->phy_cap_info[0] & 3101 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G) 3102 return 3; 3103 3104 /* on 2.4 GHz, these three bits are reserved, so should be 0 */ 3105 if (he_cap->phy_cap_info[0] & 3106 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G) 3107 count += 3; 3108 3109 if (he_cap->phy_cap_info[0] & 3110 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 3111 count += 3; 3112 3113 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) 3114 count += 3; 3115 3116 if (count) 3117 return count; 3118 3119 return from_ap ? 3 : 4; 3120 } 3121 3122 /* 802.11be EHT PPE Thresholds */ 3123 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0 3124 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf 3125 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0 3126 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3 3127 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9 3128 3129 /* 3130 * Calculate 802.11be EHT capabilities IE EHT field size 3131 */ 3132 static inline u8 3133 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info) 3134 { 3135 u32 n; 3136 3137 if (!(phy_cap_info[5] & 3138 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT)) 3139 return 0; 3140 3141 n = hweight16(ppe_thres_hdr & 3142 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 3143 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK); 3144 3145 /* 3146 * Each pair is 6 bits, and we need to add the 9 "header" bits to the 3147 * total size. 3148 */ 3149 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 + 3150 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 3151 return DIV_ROUND_UP(n, 8); 3152 } 3153 3154 static inline bool 3155 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len, 3156 bool from_ap) 3157 { 3158 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data; 3159 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed); 3160 3161 if (len < needed || !he_capa) 3162 return false; 3163 3164 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa, 3165 (const void *)data, 3166 from_ap); 3167 if (len < needed) 3168 return false; 3169 3170 if (elem->phy_cap_info[5] & 3171 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 3172 u16 ppe_thres_hdr; 3173 3174 if (len < needed + sizeof(ppe_thres_hdr)) 3175 return false; 3176 3177 ppe_thres_hdr = get_unaligned_le16(data + needed); 3178 needed += ieee80211_eht_ppe_size(ppe_thres_hdr, 3179 elem->phy_cap_info); 3180 } 3181 3182 return len >= needed; 3183 } 3184 3185 static inline bool 3186 ieee80211_eht_oper_size_ok(const u8 *data, u8 len) 3187 { 3188 const struct ieee80211_eht_operation *elem = (const void *)data; 3189 u8 needed = sizeof(*elem); 3190 3191 if (len < needed) 3192 return false; 3193 3194 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) { 3195 needed += 3; 3196 3197 if (elem->params & 3198 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT) 3199 needed += 2; 3200 } 3201 3202 return len >= needed; 3203 } 3204 3205 /* must validate ieee80211_eht_oper_size_ok() first */ 3206 static inline u16 3207 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper) 3208 { 3209 const struct ieee80211_eht_operation_info *info = 3210 (const void *)eht_oper->optional; 3211 3212 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT)) 3213 return 0; 3214 3215 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)) 3216 return 0; 3217 3218 return get_unaligned_le16(info->optional); 3219 } 3220 3221 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1) 3222 3223 struct ieee80211_bandwidth_indication { 3224 u8 params; 3225 struct ieee80211_eht_operation_info info; 3226 } __packed; 3227 3228 static inline bool 3229 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len) 3230 { 3231 const struct ieee80211_bandwidth_indication *bwi = (const void *)data; 3232 3233 if (len < sizeof(*bwi)) 3234 return false; 3235 3236 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT && 3237 len < sizeof(*bwi) + 2) 3238 return false; 3239 3240 return true; 3241 } 3242 3243 #define LISTEN_INT_USF GENMASK(15, 14) 3244 #define LISTEN_INT_UI GENMASK(13, 0) 3245 3246 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF) 3247 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI) 3248 3249 /* Authentication algorithms */ 3250 #define WLAN_AUTH_OPEN 0 3251 #define WLAN_AUTH_SHARED_KEY 1 3252 #define WLAN_AUTH_FT 2 3253 #define WLAN_AUTH_SAE 3 3254 #define WLAN_AUTH_FILS_SK 4 3255 #define WLAN_AUTH_FILS_SK_PFS 5 3256 #define WLAN_AUTH_FILS_PK 6 3257 #define WLAN_AUTH_LEAP 128 3258 3259 #define WLAN_AUTH_CHALLENGE_LEN 128 3260 3261 #define WLAN_CAPABILITY_ESS (1<<0) 3262 #define WLAN_CAPABILITY_IBSS (1<<1) 3263 3264 /* 3265 * A mesh STA sets the ESS and IBSS capability bits to zero. 3266 * however, this holds true for p2p probe responses (in the p2p_find 3267 * phase) as well. 3268 */ 3269 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 3270 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 3271 3272 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 3273 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 3274 #define WLAN_CAPABILITY_PRIVACY (1<<4) 3275 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 3276 #define WLAN_CAPABILITY_PBCC (1<<6) 3277 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 3278 3279 /* 802.11h */ 3280 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 3281 #define WLAN_CAPABILITY_QOS (1<<9) 3282 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 3283 #define WLAN_CAPABILITY_APSD (1<<11) 3284 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 3285 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 3286 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 3287 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 3288 3289 /* DMG (60gHz) 802.11ad */ 3290 /* type - bits 0..1 */ 3291 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 3292 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 3293 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 3294 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 3295 3296 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 3297 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 3298 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 3299 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 3300 3301 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 3302 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 3303 3304 /* measurement */ 3305 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 3306 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 3307 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 3308 3309 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 3310 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 3311 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 3312 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 3313 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 3314 3315 /* 802.11g ERP information element */ 3316 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 3317 #define WLAN_ERP_USE_PROTECTION (1<<1) 3318 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 3319 3320 /* WLAN_ERP_BARKER_PREAMBLE values */ 3321 enum { 3322 WLAN_ERP_PREAMBLE_SHORT = 0, 3323 WLAN_ERP_PREAMBLE_LONG = 1, 3324 }; 3325 3326 /* Band ID, 802.11ad #8.4.1.45 */ 3327 enum { 3328 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 3329 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 3330 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 3331 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 3332 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 3333 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 3334 }; 3335 3336 /* Status codes */ 3337 enum ieee80211_statuscode { 3338 WLAN_STATUS_SUCCESS = 0, 3339 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 3340 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 3341 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 3342 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 3343 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 3344 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 3345 WLAN_STATUS_CHALLENGE_FAIL = 15, 3346 WLAN_STATUS_AUTH_TIMEOUT = 16, 3347 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 3348 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 3349 /* 802.11b */ 3350 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 3351 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 3352 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 3353 /* 802.11h */ 3354 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 3355 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 3356 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 3357 /* 802.11g */ 3358 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 3359 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 3360 /* 802.11w */ 3361 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 3362 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 3363 /* 802.11i */ 3364 WLAN_STATUS_INVALID_IE = 40, 3365 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 3366 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 3367 WLAN_STATUS_INVALID_AKMP = 43, 3368 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 3369 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 3370 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 3371 /* 802.11e */ 3372 WLAN_STATUS_UNSPECIFIED_QOS = 32, 3373 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 3374 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 3375 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 3376 WLAN_STATUS_REQUEST_DECLINED = 37, 3377 WLAN_STATUS_INVALID_QOS_PARAM = 38, 3378 WLAN_STATUS_CHANGE_TSPEC = 39, 3379 WLAN_STATUS_WAIT_TS_DELAY = 47, 3380 WLAN_STATUS_NO_DIRECT_LINK = 48, 3381 WLAN_STATUS_STA_NOT_PRESENT = 49, 3382 WLAN_STATUS_STA_NOT_QSTA = 50, 3383 /* 802.11s */ 3384 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 3385 WLAN_STATUS_FCG_NOT_SUPP = 78, 3386 WLAN_STATUS_STA_NO_TBTT = 78, 3387 /* 802.11ad */ 3388 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 3389 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 3390 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 3391 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 3392 WLAN_STATUS_PERFORMING_FST_NOW = 87, 3393 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 3394 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 3395 WLAN_STATUS_REJECT_DSE_BAND = 96, 3396 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 3397 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 3398 /* 802.11ai */ 3399 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 3400 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 3401 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126, 3402 WLAN_STATUS_SAE_PK = 127, 3403 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133, 3404 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134, 3405 }; 3406 3407 3408 /* Reason codes */ 3409 enum ieee80211_reasoncode { 3410 WLAN_REASON_UNSPECIFIED = 1, 3411 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 3412 WLAN_REASON_DEAUTH_LEAVING = 3, 3413 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 3414 WLAN_REASON_DISASSOC_AP_BUSY = 5, 3415 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 3416 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 3417 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 3418 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 3419 /* 802.11h */ 3420 WLAN_REASON_DISASSOC_BAD_POWER = 10, 3421 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 3422 /* 802.11i */ 3423 WLAN_REASON_INVALID_IE = 13, 3424 WLAN_REASON_MIC_FAILURE = 14, 3425 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 3426 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 3427 WLAN_REASON_IE_DIFFERENT = 17, 3428 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 3429 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 3430 WLAN_REASON_INVALID_AKMP = 20, 3431 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 3432 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 3433 WLAN_REASON_IEEE8021X_FAILED = 23, 3434 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 3435 /* TDLS (802.11z) */ 3436 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 3437 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 3438 /* 802.11e */ 3439 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 3440 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 3441 WLAN_REASON_DISASSOC_LOW_ACK = 34, 3442 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 3443 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 3444 WLAN_REASON_QSTA_NOT_USE = 37, 3445 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 3446 WLAN_REASON_QSTA_TIMEOUT = 39, 3447 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 3448 /* 802.11s */ 3449 WLAN_REASON_MESH_PEER_CANCELED = 52, 3450 WLAN_REASON_MESH_MAX_PEERS = 53, 3451 WLAN_REASON_MESH_CONFIG = 54, 3452 WLAN_REASON_MESH_CLOSE = 55, 3453 WLAN_REASON_MESH_MAX_RETRIES = 56, 3454 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 3455 WLAN_REASON_MESH_INVALID_GTK = 58, 3456 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 3457 WLAN_REASON_MESH_INVALID_SECURITY = 60, 3458 WLAN_REASON_MESH_PATH_ERROR = 61, 3459 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 3460 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 3461 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 3462 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 3463 WLAN_REASON_MESH_CHAN = 66, 3464 }; 3465 3466 3467 /* Information Element IDs */ 3468 enum ieee80211_eid { 3469 WLAN_EID_SSID = 0, 3470 WLAN_EID_SUPP_RATES = 1, 3471 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 3472 WLAN_EID_DS_PARAMS = 3, 3473 WLAN_EID_CF_PARAMS = 4, 3474 WLAN_EID_TIM = 5, 3475 WLAN_EID_IBSS_PARAMS = 6, 3476 WLAN_EID_COUNTRY = 7, 3477 /* 8, 9 reserved */ 3478 WLAN_EID_REQUEST = 10, 3479 WLAN_EID_QBSS_LOAD = 11, 3480 WLAN_EID_EDCA_PARAM_SET = 12, 3481 WLAN_EID_TSPEC = 13, 3482 WLAN_EID_TCLAS = 14, 3483 WLAN_EID_SCHEDULE = 15, 3484 WLAN_EID_CHALLENGE = 16, 3485 /* 17-31 reserved for challenge text extension */ 3486 WLAN_EID_PWR_CONSTRAINT = 32, 3487 WLAN_EID_PWR_CAPABILITY = 33, 3488 WLAN_EID_TPC_REQUEST = 34, 3489 WLAN_EID_TPC_REPORT = 35, 3490 WLAN_EID_SUPPORTED_CHANNELS = 36, 3491 WLAN_EID_CHANNEL_SWITCH = 37, 3492 WLAN_EID_MEASURE_REQUEST = 38, 3493 WLAN_EID_MEASURE_REPORT = 39, 3494 WLAN_EID_QUIET = 40, 3495 WLAN_EID_IBSS_DFS = 41, 3496 WLAN_EID_ERP_INFO = 42, 3497 WLAN_EID_TS_DELAY = 43, 3498 WLAN_EID_TCLAS_PROCESSING = 44, 3499 WLAN_EID_HT_CAPABILITY = 45, 3500 WLAN_EID_QOS_CAPA = 46, 3501 /* 47 reserved for Broadcom */ 3502 WLAN_EID_RSN = 48, 3503 WLAN_EID_802_15_COEX = 49, 3504 WLAN_EID_EXT_SUPP_RATES = 50, 3505 WLAN_EID_AP_CHAN_REPORT = 51, 3506 WLAN_EID_NEIGHBOR_REPORT = 52, 3507 WLAN_EID_RCPI = 53, 3508 WLAN_EID_MOBILITY_DOMAIN = 54, 3509 WLAN_EID_FAST_BSS_TRANSITION = 55, 3510 WLAN_EID_TIMEOUT_INTERVAL = 56, 3511 WLAN_EID_RIC_DATA = 57, 3512 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 3513 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 3514 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 3515 WLAN_EID_HT_OPERATION = 61, 3516 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 3517 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 3518 WLAN_EID_ANTENNA_INFO = 64, 3519 WLAN_EID_RSNI = 65, 3520 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 3521 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 3522 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 3523 WLAN_EID_TIME_ADVERTISEMENT = 69, 3524 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 3525 WLAN_EID_MULTIPLE_BSSID = 71, 3526 WLAN_EID_BSS_COEX_2040 = 72, 3527 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 3528 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 3529 WLAN_EID_RIC_DESCRIPTOR = 75, 3530 WLAN_EID_MMIE = 76, 3531 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 3532 WLAN_EID_EVENT_REQUEST = 78, 3533 WLAN_EID_EVENT_REPORT = 79, 3534 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 3535 WLAN_EID_DIAGNOSTIC_REPORT = 81, 3536 WLAN_EID_LOCATION_PARAMS = 82, 3537 WLAN_EID_NON_TX_BSSID_CAP = 83, 3538 WLAN_EID_SSID_LIST = 84, 3539 WLAN_EID_MULTI_BSSID_IDX = 85, 3540 WLAN_EID_FMS_DESCRIPTOR = 86, 3541 WLAN_EID_FMS_REQUEST = 87, 3542 WLAN_EID_FMS_RESPONSE = 88, 3543 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 3544 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 3545 WLAN_EID_TSF_REQUEST = 91, 3546 WLAN_EID_TSF_RESPOSNE = 92, 3547 WLAN_EID_WNM_SLEEP_MODE = 93, 3548 WLAN_EID_TIM_BCAST_REQ = 94, 3549 WLAN_EID_TIM_BCAST_RESP = 95, 3550 WLAN_EID_COLL_IF_REPORT = 96, 3551 WLAN_EID_CHANNEL_USAGE = 97, 3552 WLAN_EID_TIME_ZONE = 98, 3553 WLAN_EID_DMS_REQUEST = 99, 3554 WLAN_EID_DMS_RESPONSE = 100, 3555 WLAN_EID_LINK_ID = 101, 3556 WLAN_EID_WAKEUP_SCHEDUL = 102, 3557 /* 103 reserved */ 3558 WLAN_EID_CHAN_SWITCH_TIMING = 104, 3559 WLAN_EID_PTI_CONTROL = 105, 3560 WLAN_EID_PU_BUFFER_STATUS = 106, 3561 WLAN_EID_INTERWORKING = 107, 3562 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 3563 WLAN_EID_EXPEDITED_BW_REQ = 109, 3564 WLAN_EID_QOS_MAP_SET = 110, 3565 WLAN_EID_ROAMING_CONSORTIUM = 111, 3566 WLAN_EID_EMERGENCY_ALERT = 112, 3567 WLAN_EID_MESH_CONFIG = 113, 3568 WLAN_EID_MESH_ID = 114, 3569 WLAN_EID_LINK_METRIC_REPORT = 115, 3570 WLAN_EID_CONGESTION_NOTIFICATION = 116, 3571 WLAN_EID_PEER_MGMT = 117, 3572 WLAN_EID_CHAN_SWITCH_PARAM = 118, 3573 WLAN_EID_MESH_AWAKE_WINDOW = 119, 3574 WLAN_EID_BEACON_TIMING = 120, 3575 WLAN_EID_MCCAOP_SETUP_REQ = 121, 3576 WLAN_EID_MCCAOP_SETUP_RESP = 122, 3577 WLAN_EID_MCCAOP_ADVERT = 123, 3578 WLAN_EID_MCCAOP_TEARDOWN = 124, 3579 WLAN_EID_GANN = 125, 3580 WLAN_EID_RANN = 126, 3581 WLAN_EID_EXT_CAPABILITY = 127, 3582 /* 128, 129 reserved for Agere */ 3583 WLAN_EID_PREQ = 130, 3584 WLAN_EID_PREP = 131, 3585 WLAN_EID_PERR = 132, 3586 /* 133-136 reserved for Cisco */ 3587 WLAN_EID_PXU = 137, 3588 WLAN_EID_PXUC = 138, 3589 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 3590 WLAN_EID_MIC = 140, 3591 WLAN_EID_DESTINATION_URI = 141, 3592 WLAN_EID_UAPSD_COEX = 142, 3593 WLAN_EID_WAKEUP_SCHEDULE = 143, 3594 WLAN_EID_EXT_SCHEDULE = 144, 3595 WLAN_EID_STA_AVAILABILITY = 145, 3596 WLAN_EID_DMG_TSPEC = 146, 3597 WLAN_EID_DMG_AT = 147, 3598 WLAN_EID_DMG_CAP = 148, 3599 /* 149 reserved for Cisco */ 3600 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 3601 WLAN_EID_DMG_OPERATION = 151, 3602 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 3603 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 3604 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 3605 /* 155-156 reserved for Cisco */ 3606 WLAN_EID_AWAKE_WINDOW = 157, 3607 WLAN_EID_MULTI_BAND = 158, 3608 WLAN_EID_ADDBA_EXT = 159, 3609 WLAN_EID_NEXT_PCP_LIST = 160, 3610 WLAN_EID_PCP_HANDOVER = 161, 3611 WLAN_EID_DMG_LINK_MARGIN = 162, 3612 WLAN_EID_SWITCHING_STREAM = 163, 3613 WLAN_EID_SESSION_TRANSITION = 164, 3614 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 3615 WLAN_EID_CLUSTER_REPORT = 166, 3616 WLAN_EID_RELAY_CAP = 167, 3617 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 3618 WLAN_EID_BEAM_LINK_MAINT = 169, 3619 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 3620 WLAN_EID_U_PID = 171, 3621 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 3622 /* 173 reserved for Symbol */ 3623 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 3624 WLAN_EID_QUIET_PERIOD_REQ = 175, 3625 /* 176 reserved for Symbol */ 3626 WLAN_EID_QUIET_PERIOD_RESP = 177, 3627 /* 178-179 reserved for Symbol */ 3628 /* 180 reserved for ISO/IEC 20011 */ 3629 WLAN_EID_EPAC_POLICY = 182, 3630 WLAN_EID_CLISTER_TIME_OFF = 183, 3631 WLAN_EID_INTER_AC_PRIO = 184, 3632 WLAN_EID_SCS_DESCRIPTOR = 185, 3633 WLAN_EID_QLOAD_REPORT = 186, 3634 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 3635 WLAN_EID_HL_STREAM_ID = 188, 3636 WLAN_EID_GCR_GROUP_ADDR = 189, 3637 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 3638 WLAN_EID_VHT_CAPABILITY = 191, 3639 WLAN_EID_VHT_OPERATION = 192, 3640 WLAN_EID_EXTENDED_BSS_LOAD = 193, 3641 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 3642 WLAN_EID_TX_POWER_ENVELOPE = 195, 3643 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 3644 WLAN_EID_AID = 197, 3645 WLAN_EID_QUIET_CHANNEL = 198, 3646 WLAN_EID_OPMODE_NOTIF = 199, 3647 3648 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201, 3649 3650 WLAN_EID_AID_REQUEST = 210, 3651 WLAN_EID_AID_RESPONSE = 211, 3652 WLAN_EID_S1G_BCN_COMPAT = 213, 3653 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214, 3654 WLAN_EID_S1G_TWT = 216, 3655 WLAN_EID_S1G_CAPABILITIES = 217, 3656 WLAN_EID_VENDOR_SPECIFIC = 221, 3657 WLAN_EID_QOS_PARAMETER = 222, 3658 WLAN_EID_S1G_OPERATION = 232, 3659 WLAN_EID_CAG_NUMBER = 237, 3660 WLAN_EID_AP_CSN = 239, 3661 WLAN_EID_FILS_INDICATION = 240, 3662 WLAN_EID_DILS = 241, 3663 WLAN_EID_FRAGMENT = 242, 3664 WLAN_EID_RSNX = 244, 3665 WLAN_EID_EXTENSION = 255 3666 }; 3667 3668 /* Element ID Extensions for Element ID 255 */ 3669 enum ieee80211_eid_ext { 3670 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 3671 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 3672 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 3673 WLAN_EID_EXT_FILS_SESSION = 4, 3674 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 3675 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 3676 WLAN_EID_EXT_KEY_DELIVERY = 7, 3677 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 3678 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 3679 WLAN_EID_EXT_FILS_NONCE = 13, 3680 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 3681 WLAN_EID_EXT_HE_CAPABILITY = 35, 3682 WLAN_EID_EXT_HE_OPERATION = 36, 3683 WLAN_EID_EXT_UORA = 37, 3684 WLAN_EID_EXT_HE_MU_EDCA = 38, 3685 WLAN_EID_EXT_HE_SPR = 39, 3686 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41, 3687 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42, 3688 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43, 3689 WLAN_EID_EXT_ESS_REPORT = 45, 3690 WLAN_EID_EXT_OPS = 46, 3691 WLAN_EID_EXT_HE_BSS_LOAD = 47, 3692 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, 3693 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, 3694 WLAN_EID_EXT_NON_INHERITANCE = 56, 3695 WLAN_EID_EXT_KNOWN_BSSID = 57, 3696 WLAN_EID_EXT_SHORT_SSID_LIST = 58, 3697 WLAN_EID_EXT_HE_6GHZ_CAPA = 59, 3698 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60, 3699 WLAN_EID_EXT_EHT_OPERATION = 106, 3700 WLAN_EID_EXT_EHT_MULTI_LINK = 107, 3701 WLAN_EID_EXT_EHT_CAPABILITY = 108, 3702 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109, 3703 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135, 3704 }; 3705 3706 /* Action category code */ 3707 enum ieee80211_category { 3708 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 3709 WLAN_CATEGORY_QOS = 1, 3710 WLAN_CATEGORY_DLS = 2, 3711 WLAN_CATEGORY_BACK = 3, 3712 WLAN_CATEGORY_PUBLIC = 4, 3713 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 3714 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6, 3715 WLAN_CATEGORY_HT = 7, 3716 WLAN_CATEGORY_SA_QUERY = 8, 3717 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 3718 WLAN_CATEGORY_WNM = 10, 3719 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 3720 WLAN_CATEGORY_TDLS = 12, 3721 WLAN_CATEGORY_MESH_ACTION = 13, 3722 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 3723 WLAN_CATEGORY_SELF_PROTECTED = 15, 3724 WLAN_CATEGORY_DMG = 16, 3725 WLAN_CATEGORY_WMM = 17, 3726 WLAN_CATEGORY_FST = 18, 3727 WLAN_CATEGORY_UNPROT_DMG = 20, 3728 WLAN_CATEGORY_VHT = 21, 3729 WLAN_CATEGORY_S1G = 22, 3730 WLAN_CATEGORY_PROTECTED_EHT = 37, 3731 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 3732 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 3733 }; 3734 3735 /* SPECTRUM_MGMT action code */ 3736 enum ieee80211_spectrum_mgmt_actioncode { 3737 WLAN_ACTION_SPCT_MSR_REQ = 0, 3738 WLAN_ACTION_SPCT_MSR_RPRT = 1, 3739 WLAN_ACTION_SPCT_TPC_REQ = 2, 3740 WLAN_ACTION_SPCT_TPC_RPRT = 3, 3741 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 3742 }; 3743 3744 /* HT action codes */ 3745 enum ieee80211_ht_actioncode { 3746 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 3747 WLAN_HT_ACTION_SMPS = 1, 3748 WLAN_HT_ACTION_PSMP = 2, 3749 WLAN_HT_ACTION_PCO_PHASE = 3, 3750 WLAN_HT_ACTION_CSI = 4, 3751 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 3752 WLAN_HT_ACTION_COMPRESSED_BF = 6, 3753 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 3754 }; 3755 3756 /* VHT action codes */ 3757 enum ieee80211_vht_actioncode { 3758 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 3759 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 3760 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 3761 }; 3762 3763 /* Self Protected Action codes */ 3764 enum ieee80211_self_protected_actioncode { 3765 WLAN_SP_RESERVED = 0, 3766 WLAN_SP_MESH_PEERING_OPEN = 1, 3767 WLAN_SP_MESH_PEERING_CONFIRM = 2, 3768 WLAN_SP_MESH_PEERING_CLOSE = 3, 3769 WLAN_SP_MGK_INFORM = 4, 3770 WLAN_SP_MGK_ACK = 5, 3771 }; 3772 3773 /* Mesh action codes */ 3774 enum ieee80211_mesh_actioncode { 3775 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 3776 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 3777 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 3778 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 3779 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 3780 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 3781 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 3782 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 3783 WLAN_MESH_ACTION_MCCA_TEARDOWN, 3784 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 3785 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 3786 }; 3787 3788 /* Unprotected WNM action codes */ 3789 enum ieee80211_unprotected_wnm_actioncode { 3790 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0, 3791 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1, 3792 }; 3793 3794 /* Protected EHT action codes */ 3795 enum ieee80211_protected_eht_actioncode { 3796 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0, 3797 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1, 3798 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2, 3799 }; 3800 3801 /* Security key length */ 3802 enum ieee80211_key_len { 3803 WLAN_KEY_LEN_WEP40 = 5, 3804 WLAN_KEY_LEN_WEP104 = 13, 3805 WLAN_KEY_LEN_CCMP = 16, 3806 WLAN_KEY_LEN_CCMP_256 = 32, 3807 WLAN_KEY_LEN_TKIP = 32, 3808 WLAN_KEY_LEN_AES_CMAC = 16, 3809 WLAN_KEY_LEN_SMS4 = 32, 3810 WLAN_KEY_LEN_GCMP = 16, 3811 WLAN_KEY_LEN_GCMP_256 = 32, 3812 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 3813 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 3814 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 3815 }; 3816 3817 enum ieee80211_s1g_actioncode { 3818 WLAN_S1G_AID_SWITCH_REQUEST, 3819 WLAN_S1G_AID_SWITCH_RESPONSE, 3820 WLAN_S1G_SYNC_CONTROL, 3821 WLAN_S1G_STA_INFO_ANNOUNCE, 3822 WLAN_S1G_EDCA_PARAM_SET, 3823 WLAN_S1G_EL_OPERATION, 3824 WLAN_S1G_TWT_SETUP, 3825 WLAN_S1G_TWT_TEARDOWN, 3826 WLAN_S1G_SECT_GROUP_ID_LIST, 3827 WLAN_S1G_SECT_ID_FEEDBACK, 3828 WLAN_S1G_TWT_INFORMATION = 11, 3829 }; 3830 3831 #define IEEE80211_WEP_IV_LEN 4 3832 #define IEEE80211_WEP_ICV_LEN 4 3833 #define IEEE80211_CCMP_HDR_LEN 8 3834 #define IEEE80211_CCMP_MIC_LEN 8 3835 #define IEEE80211_CCMP_PN_LEN 6 3836 #define IEEE80211_CCMP_256_HDR_LEN 8 3837 #define IEEE80211_CCMP_256_MIC_LEN 16 3838 #define IEEE80211_CCMP_256_PN_LEN 6 3839 #define IEEE80211_TKIP_IV_LEN 8 3840 #define IEEE80211_TKIP_ICV_LEN 4 3841 #define IEEE80211_CMAC_PN_LEN 6 3842 #define IEEE80211_GMAC_PN_LEN 6 3843 #define IEEE80211_GCMP_HDR_LEN 8 3844 #define IEEE80211_GCMP_MIC_LEN 16 3845 #define IEEE80211_GCMP_PN_LEN 6 3846 3847 #define FILS_NONCE_LEN 16 3848 #define FILS_MAX_KEK_LEN 64 3849 3850 #define FILS_ERP_MAX_USERNAME_LEN 16 3851 #define FILS_ERP_MAX_REALM_LEN 253 3852 #define FILS_ERP_MAX_RRK_LEN 64 3853 3854 #define PMK_MAX_LEN 64 3855 #define SAE_PASSWORD_MAX_LEN 128 3856 3857 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 3858 enum ieee80211_pub_actioncode { 3859 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 3860 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 3861 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 3862 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 3863 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 3864 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 3865 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 3866 WLAN_PUB_ACTION_MSMT_PILOT = 7, 3867 WLAN_PUB_ACTION_DSE_PC = 8, 3868 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 3869 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 3870 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 3871 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 3872 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 3873 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 3874 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 3875 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 3876 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 3877 WLAN_PUB_ACTION_QMF_POLICY = 18, 3878 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 3879 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 3880 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 3881 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 3882 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 3883 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 3884 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 3885 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 3886 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 3887 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 3888 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 3889 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 3890 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 3891 WLAN_PUB_ACTION_FTM_REQUEST = 32, 3892 WLAN_PUB_ACTION_FTM_RESPONSE = 33, 3893 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 3894 }; 3895 3896 /* TDLS action codes */ 3897 enum ieee80211_tdls_actioncode { 3898 WLAN_TDLS_SETUP_REQUEST = 0, 3899 WLAN_TDLS_SETUP_RESPONSE = 1, 3900 WLAN_TDLS_SETUP_CONFIRM = 2, 3901 WLAN_TDLS_TEARDOWN = 3, 3902 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 3903 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 3904 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 3905 WLAN_TDLS_PEER_PSM_REQUEST = 7, 3906 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 3907 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 3908 WLAN_TDLS_DISCOVERY_REQUEST = 10, 3909 }; 3910 3911 /* Extended Channel Switching capability to be set in the 1st byte of 3912 * the @WLAN_EID_EXT_CAPABILITY information element 3913 */ 3914 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 3915 3916 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the 3917 * @WLAN_EID_EXT_CAPABILITY information element 3918 */ 3919 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) 3920 3921 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte 3922 * of the @WLAN_EID_EXT_CAPABILITY information element 3923 */ 3924 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7) 3925 3926 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 3927 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 3928 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 3929 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 3930 3931 /* Interworking capabilities are set in 7th bit of 4th byte of the 3932 * @WLAN_EID_EXT_CAPABILITY information element 3933 */ 3934 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 3935 3936 /* 3937 * TDLS capabililites to be enabled in the 5th byte of the 3938 * @WLAN_EID_EXT_CAPABILITY information element 3939 */ 3940 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 3941 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 3942 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 3943 3944 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 3945 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 3946 3947 /* Defines the maximal number of MSDUs in an A-MSDU. */ 3948 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 3949 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 3950 3951 /* 3952 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 3953 * information element 3954 */ 3955 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 3956 3957 /* Defines support for TWT Requester and TWT Responder */ 3958 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 3959 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 3960 3961 /* 3962 * When set, indicates that the AP is able to tolerate 26-tone RU UL 3963 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the 3964 * 26-tone RU UL OFDMA transmissions as radar pulses). 3965 */ 3966 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) 3967 3968 /* Defines support for enhanced multi-bssid advertisement*/ 3969 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3) 3970 3971 /* TDLS specific payload type in the LLC/SNAP header */ 3972 #define WLAN_TDLS_SNAP_RFTYPE 0x2 3973 3974 /* BSS Coex IE information field bits */ 3975 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 3976 3977 /** 3978 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 3979 * 3980 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 3981 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 3982 * that will be specified in a vendor specific information element 3983 */ 3984 enum ieee80211_mesh_sync_method { 3985 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 3986 IEEE80211_SYNC_METHOD_VENDOR = 255, 3987 }; 3988 3989 /** 3990 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 3991 * 3992 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 3993 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 3994 * be specified in a vendor specific information element 3995 */ 3996 enum ieee80211_mesh_path_protocol { 3997 IEEE80211_PATH_PROTOCOL_HWMP = 1, 3998 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 3999 }; 4000 4001 /** 4002 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 4003 * 4004 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 4005 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 4006 * specified in a vendor specific information element 4007 */ 4008 enum ieee80211_mesh_path_metric { 4009 IEEE80211_PATH_METRIC_AIRTIME = 1, 4010 IEEE80211_PATH_METRIC_VENDOR = 255, 4011 }; 4012 4013 /** 4014 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 4015 * 4016 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 4017 * 4018 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 4019 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 4020 * this value 4021 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 4022 * the proactive PREQ with proactive PREP subfield set to 0 4023 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 4024 * supports the proactive PREQ with proactive PREP subfield set to 1 4025 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 4026 * the proactive RANN 4027 */ 4028 enum ieee80211_root_mode_identifier { 4029 IEEE80211_ROOTMODE_NO_ROOT = 0, 4030 IEEE80211_ROOTMODE_ROOT = 1, 4031 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 4032 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 4033 IEEE80211_PROACTIVE_RANN = 4, 4034 }; 4035 4036 /* 4037 * IEEE 802.11-2007 7.3.2.9 Country information element 4038 * 4039 * Minimum length is 8 octets, ie len must be evenly 4040 * divisible by 2 4041 */ 4042 4043 /* Although the spec says 8 I'm seeing 6 in practice */ 4044 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 4045 4046 /* The Country String field of the element shall be 3 octets in length */ 4047 #define IEEE80211_COUNTRY_STRING_LEN 3 4048 4049 /* 4050 * For regulatory extension stuff see IEEE 802.11-2007 4051 * Annex I (page 1141) and Annex J (page 1147). Also 4052 * review 7.3.2.9. 4053 * 4054 * When dot11RegulatoryClassesRequired is true and the 4055 * first_channel/reg_extension_id is >= 201 then the IE 4056 * compromises of the 'ext' struct represented below: 4057 * 4058 * - Regulatory extension ID - when generating IE this just needs 4059 * to be monotonically increasing for each triplet passed in 4060 * the IE 4061 * - Regulatory class - index into set of rules 4062 * - Coverage class - index into air propagation time (Table 7-27), 4063 * in microseconds, you can compute the air propagation time from 4064 * the index by multiplying by 3, so index 10 yields a propagation 4065 * of 10 us. Valid values are 0-31, values 32-255 are not defined 4066 * yet. A value of 0 inicates air propagation of <= 1 us. 4067 * 4068 * See also Table I.2 for Emission limit sets and table 4069 * I.3 for Behavior limit sets. Table J.1 indicates how to map 4070 * a reg_class to an emission limit set and behavior limit set. 4071 */ 4072 #define IEEE80211_COUNTRY_EXTENSION_ID 201 4073 4074 /* 4075 * Channels numbers in the IE must be monotonically increasing 4076 * if dot11RegulatoryClassesRequired is not true. 4077 * 4078 * If dot11RegulatoryClassesRequired is true consecutive 4079 * subband triplets following a regulatory triplet shall 4080 * have monotonically increasing first_channel number fields. 4081 * 4082 * Channel numbers shall not overlap. 4083 * 4084 * Note that max_power is signed. 4085 */ 4086 struct ieee80211_country_ie_triplet { 4087 union { 4088 struct { 4089 u8 first_channel; 4090 u8 num_channels; 4091 s8 max_power; 4092 } __packed chans; 4093 struct { 4094 u8 reg_extension_id; 4095 u8 reg_class; 4096 u8 coverage_class; 4097 } __packed ext; 4098 }; 4099 } __packed; 4100 4101 enum ieee80211_timeout_interval_type { 4102 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 4103 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 4104 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 4105 }; 4106 4107 /** 4108 * struct ieee80211_timeout_interval_ie - Timeout Interval element 4109 * @type: type, see &enum ieee80211_timeout_interval_type 4110 * @value: timeout interval value 4111 */ 4112 struct ieee80211_timeout_interval_ie { 4113 u8 type; 4114 __le32 value; 4115 } __packed; 4116 4117 /** 4118 * enum ieee80211_idle_options - BSS idle options 4119 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 4120 * protected frame to the AP to reset the idle timer at the AP for 4121 * the station. 4122 */ 4123 enum ieee80211_idle_options { 4124 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 4125 }; 4126 4127 /** 4128 * struct ieee80211_bss_max_idle_period_ie 4129 * 4130 * This structure refers to "BSS Max idle period element" 4131 * 4132 * @max_idle_period: indicates the time period during which a station can 4133 * refrain from transmitting frames to its associated AP without being 4134 * disassociated. In units of 1000 TUs. 4135 * @idle_options: indicates the options associated with the BSS idle capability 4136 * as specified in &enum ieee80211_idle_options. 4137 */ 4138 struct ieee80211_bss_max_idle_period_ie { 4139 __le16 max_idle_period; 4140 u8 idle_options; 4141 } __packed; 4142 4143 /* BACK action code */ 4144 enum ieee80211_back_actioncode { 4145 WLAN_ACTION_ADDBA_REQ = 0, 4146 WLAN_ACTION_ADDBA_RESP = 1, 4147 WLAN_ACTION_DELBA = 2, 4148 }; 4149 4150 /* BACK (block-ack) parties */ 4151 enum ieee80211_back_parties { 4152 WLAN_BACK_RECIPIENT = 0, 4153 WLAN_BACK_INITIATOR = 1, 4154 }; 4155 4156 /* SA Query action */ 4157 enum ieee80211_sa_query_action { 4158 WLAN_ACTION_SA_QUERY_REQUEST = 0, 4159 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 4160 }; 4161 4162 /** 4163 * struct ieee80211_bssid_index 4164 * 4165 * This structure refers to "Multiple BSSID-index element" 4166 * 4167 * @bssid_index: BSSID index 4168 * @dtim_period: optional, overrides transmitted BSS dtim period 4169 * @dtim_count: optional, overrides transmitted BSS dtim count 4170 */ 4171 struct ieee80211_bssid_index { 4172 u8 bssid_index; 4173 u8 dtim_period; 4174 u8 dtim_count; 4175 }; 4176 4177 /** 4178 * struct ieee80211_multiple_bssid_configuration 4179 * 4180 * This structure refers to "Multiple BSSID Configuration element" 4181 * 4182 * @bssid_count: total number of active BSSIDs in the set 4183 * @profile_periodicity: the least number of beacon frames need to be received 4184 * in order to discover all the nontransmitted BSSIDs in the set. 4185 */ 4186 struct ieee80211_multiple_bssid_configuration { 4187 u8 bssid_count; 4188 u8 profile_periodicity; 4189 }; 4190 4191 #define SUITE(oui, id) (((oui) << 8) | (id)) 4192 4193 /* cipher suite selectors */ 4194 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 4195 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 4196 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 4197 /* reserved: SUITE(0x000FAC, 3) */ 4198 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 4199 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 4200 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 4201 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 4202 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 4203 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 4204 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 4205 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 4206 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 4207 4208 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 4209 4210 /* AKM suite selectors */ 4211 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 4212 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 4213 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 4214 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 4215 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 4216 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 4217 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 4218 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 4219 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 4220 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10) 4221 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 4222 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 4223 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13) 4224 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 4225 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 4226 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 4227 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 4228 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) 4229 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19) 4230 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20) 4231 4232 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2) 4233 4234 #define WLAN_MAX_KEY_LEN 32 4235 4236 #define WLAN_PMK_NAME_LEN 16 4237 #define WLAN_PMKID_LEN 16 4238 #define WLAN_PMK_LEN_EAP_LEAP 16 4239 #define WLAN_PMK_LEN 32 4240 #define WLAN_PMK_LEN_SUITE_B_192 48 4241 4242 #define WLAN_OUI_WFA 0x506f9a 4243 #define WLAN_OUI_TYPE_WFA_P2P 9 4244 #define WLAN_OUI_TYPE_WFA_DPP 0x1A 4245 #define WLAN_OUI_MICROSOFT 0x0050f2 4246 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 4247 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 4248 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 4249 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 4250 4251 /* 4252 * WMM/802.11e Tspec Element 4253 */ 4254 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 4255 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 4256 4257 enum ieee80211_tspec_status_code { 4258 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 4259 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 4260 }; 4261 4262 struct ieee80211_tspec_ie { 4263 u8 element_id; 4264 u8 len; 4265 u8 oui[3]; 4266 u8 oui_type; 4267 u8 oui_subtype; 4268 u8 version; 4269 __le16 tsinfo; 4270 u8 tsinfo_resvd; 4271 __le16 nominal_msdu; 4272 __le16 max_msdu; 4273 __le32 min_service_int; 4274 __le32 max_service_int; 4275 __le32 inactivity_int; 4276 __le32 suspension_int; 4277 __le32 service_start_time; 4278 __le32 min_data_rate; 4279 __le32 mean_data_rate; 4280 __le32 peak_data_rate; 4281 __le32 max_burst_size; 4282 __le32 delay_bound; 4283 __le32 min_phy_rate; 4284 __le16 sba; 4285 __le16 medium_time; 4286 } __packed; 4287 4288 struct ieee80211_he_6ghz_capa { 4289 /* uses IEEE80211_HE_6GHZ_CAP_* below */ 4290 __le16 capa; 4291 } __packed; 4292 4293 /* HE 6 GHz band capabilities */ 4294 /* uses enum ieee80211_min_mpdu_spacing values */ 4295 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007 4296 /* uses enum ieee80211_vht_max_ampdu_length_exp values */ 4297 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038 4298 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */ 4299 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0 4300 /* WLAN_HT_CAP_SM_PS_* values */ 4301 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600 4302 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800 4303 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000 4304 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000 4305 4306 /** 4307 * ieee80211_get_qos_ctl - get pointer to qos control bytes 4308 * @hdr: the frame 4309 * 4310 * The qos ctrl bytes come after the frame_control, duration, seq_num 4311 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose 4312 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr. 4313 */ 4314 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 4315 { 4316 union { 4317 struct ieee80211_qos_hdr addr3; 4318 struct ieee80211_qos_hdr_4addr addr4; 4319 } *qos; 4320 4321 qos = (void *)hdr; 4322 if (ieee80211_has_a4(qos->addr3.frame_control)) 4323 return (u8 *)&qos->addr4.qos_ctrl; 4324 else 4325 return (u8 *)&qos->addr3.qos_ctrl; 4326 } 4327 4328 /** 4329 * ieee80211_get_tid - get qos TID 4330 * @hdr: the frame 4331 */ 4332 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 4333 { 4334 u8 *qc = ieee80211_get_qos_ctl(hdr); 4335 4336 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 4337 } 4338 4339 /** 4340 * ieee80211_get_SA - get pointer to SA 4341 * @hdr: the frame 4342 * 4343 * Given an 802.11 frame, this function returns the offset 4344 * to the source address (SA). It does not verify that the 4345 * header is long enough to contain the address, and the 4346 * header must be long enough to contain the frame control 4347 * field. 4348 */ 4349 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 4350 { 4351 if (ieee80211_has_a4(hdr->frame_control)) 4352 return hdr->addr4; 4353 if (ieee80211_has_fromds(hdr->frame_control)) 4354 return hdr->addr3; 4355 return hdr->addr2; 4356 } 4357 4358 /** 4359 * ieee80211_get_DA - get pointer to DA 4360 * @hdr: the frame 4361 * 4362 * Given an 802.11 frame, this function returns the offset 4363 * to the destination address (DA). It does not verify that 4364 * the header is long enough to contain the address, and the 4365 * header must be long enough to contain the frame control 4366 * field. 4367 */ 4368 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 4369 { 4370 if (ieee80211_has_tods(hdr->frame_control)) 4371 return hdr->addr3; 4372 else 4373 return hdr->addr1; 4374 } 4375 4376 /** 4377 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 4378 * @skb: the skb to check, starting with the 802.11 header 4379 */ 4380 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 4381 { 4382 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4383 __le16 fc = mgmt->frame_control; 4384 4385 /* 4386 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU; 4387 * note that this ignores the IBSS special case. 4388 */ 4389 if (!ieee80211_is_mgmt(fc)) 4390 return false; 4391 4392 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc)) 4393 return true; 4394 4395 if (!ieee80211_is_action(fc)) 4396 return false; 4397 4398 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code)) 4399 return true; 4400 4401 /* action frame - additionally check for non-bufferable FTM */ 4402 4403 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC && 4404 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION) 4405 return true; 4406 4407 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST || 4408 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE) 4409 return false; 4410 4411 return true; 4412 } 4413 4414 /** 4415 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 4416 * @hdr: the frame (buffer must include at least the first octet of payload) 4417 */ 4418 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 4419 { 4420 if (ieee80211_is_disassoc(hdr->frame_control) || 4421 ieee80211_is_deauth(hdr->frame_control)) 4422 return true; 4423 4424 if (ieee80211_is_action(hdr->frame_control)) { 4425 u8 *category; 4426 4427 /* 4428 * Action frames, excluding Public Action frames, are Robust 4429 * Management Frames. However, if we are looking at a Protected 4430 * frame, skip the check since the data may be encrypted and 4431 * the frame has already been found to be a Robust Management 4432 * Frame (by the other end). 4433 */ 4434 if (ieee80211_has_protected(hdr->frame_control)) 4435 return true; 4436 category = ((u8 *) hdr) + 24; 4437 return *category != WLAN_CATEGORY_PUBLIC && 4438 *category != WLAN_CATEGORY_HT && 4439 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 4440 *category != WLAN_CATEGORY_SELF_PROTECTED && 4441 *category != WLAN_CATEGORY_UNPROT_DMG && 4442 *category != WLAN_CATEGORY_VHT && 4443 *category != WLAN_CATEGORY_S1G && 4444 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 4445 } 4446 4447 return false; 4448 } 4449 4450 /** 4451 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 4452 * @skb: the skb containing the frame, length will be checked 4453 */ 4454 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 4455 { 4456 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4457 return false; 4458 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 4459 } 4460 4461 /** 4462 * ieee80211_is_public_action - check if frame is a public action frame 4463 * @hdr: the frame 4464 * @len: length of the frame 4465 */ 4466 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 4467 size_t len) 4468 { 4469 struct ieee80211_mgmt *mgmt = (void *)hdr; 4470 4471 if (len < IEEE80211_MIN_ACTION_SIZE) 4472 return false; 4473 if (!ieee80211_is_action(hdr->frame_control)) 4474 return false; 4475 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 4476 } 4477 4478 /** 4479 * ieee80211_is_protected_dual_of_public_action - check if skb contains a 4480 * protected dual of public action management frame 4481 * @skb: the skb containing the frame, length will be checked 4482 * 4483 * Return: true if the skb contains a protected dual of public action 4484 * management frame, false otherwise. 4485 */ 4486 static inline bool 4487 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb) 4488 { 4489 u8 action; 4490 4491 if (!ieee80211_is_public_action((void *)skb->data, skb->len) || 4492 skb->len < IEEE80211_MIN_ACTION_SIZE + 1) 4493 return false; 4494 4495 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE); 4496 4497 return action != WLAN_PUB_ACTION_20_40_BSS_COEX && 4498 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN && 4499 action != WLAN_PUB_ACTION_MSMT_PILOT && 4500 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES && 4501 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI && 4502 action != WLAN_PUB_ACTION_FTM_REQUEST && 4503 action != WLAN_PUB_ACTION_FTM_RESPONSE && 4504 action != WLAN_PUB_ACTION_FILS_DISCOVERY && 4505 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC; 4506 } 4507 4508 /** 4509 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 4510 * privacy action frame 4511 * @hdr: the frame 4512 */ 4513 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 4514 { 4515 struct ieee80211_mgmt *mgmt = (void *)hdr; 4516 4517 if (!ieee80211_is_action(hdr->frame_control) || 4518 !is_multicast_ether_addr(hdr->addr1)) 4519 return false; 4520 4521 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 4522 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 4523 } 4524 4525 /** 4526 * ieee80211_is_group_privacy_action - check if frame is a group addressed 4527 * privacy action frame 4528 * @skb: the skb containing the frame, length will be checked 4529 */ 4530 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 4531 { 4532 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4533 return false; 4534 return _ieee80211_is_group_privacy_action((void *)skb->data); 4535 } 4536 4537 /** 4538 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 4539 * @tu: the TUs 4540 */ 4541 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 4542 { 4543 return 1024 * tu; 4544 } 4545 4546 /** 4547 * ieee80211_check_tim - check if AID bit is set in TIM 4548 * @tim: the TIM IE 4549 * @tim_len: length of the TIM IE 4550 * @aid: the AID to look for 4551 */ 4552 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 4553 u8 tim_len, u16 aid) 4554 { 4555 u8 mask; 4556 u8 index, indexn1, indexn2; 4557 4558 if (unlikely(!tim || tim_len < sizeof(*tim))) 4559 return false; 4560 4561 aid &= 0x3fff; 4562 index = aid / 8; 4563 mask = 1 << (aid & 7); 4564 4565 indexn1 = tim->bitmap_ctrl & 0xfe; 4566 indexn2 = tim_len + indexn1 - 4; 4567 4568 if (index < indexn1 || index > indexn2) 4569 return false; 4570 4571 index -= indexn1; 4572 4573 return !!(tim->virtual_map[index] & mask); 4574 } 4575 4576 /** 4577 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 4578 * @skb: the skb containing the frame, length will not be checked 4579 * 4580 * This function assumes the frame is a data frame, and that the network header 4581 * is in the correct place. 4582 */ 4583 static inline int ieee80211_get_tdls_action(struct sk_buff *skb) 4584 { 4585 if (!skb_is_nonlinear(skb) && 4586 skb->len > (skb_network_offset(skb) + 2)) { 4587 /* Point to where the indication of TDLS should start */ 4588 const u8 *tdls_data = skb_network_header(skb) - 2; 4589 4590 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 4591 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 4592 tdls_data[3] == WLAN_CATEGORY_TDLS) 4593 return tdls_data[4]; 4594 } 4595 4596 return -1; 4597 } 4598 4599 /* convert time units */ 4600 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 4601 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 4602 4603 /* convert frequencies */ 4604 #define MHZ_TO_KHZ(freq) ((freq) * 1000) 4605 #define KHZ_TO_MHZ(freq) ((freq) / 1000) 4606 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000 4607 #define KHZ_F "%d.%03d" 4608 4609 /* convert powers */ 4610 #define DBI_TO_MBI(gain) ((gain) * 100) 4611 #define MBI_TO_DBI(gain) ((gain) / 100) 4612 #define DBM_TO_MBM(gain) ((gain) * 100) 4613 #define MBM_TO_DBM(gain) ((gain) / 100) 4614 4615 /** 4616 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 4617 * @skb: the skb containing the frame, length will be checked 4618 * 4619 * This function checks if it's either TPC report action frame or Link 4620 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 4621 * and 8.5.7.5 accordingly. 4622 */ 4623 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 4624 { 4625 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4626 4627 if (!ieee80211_is_action(mgmt->frame_control)) 4628 return false; 4629 4630 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 4631 sizeof(mgmt->u.action.u.tpc_report)) 4632 return false; 4633 4634 /* 4635 * TPC report - check that: 4636 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 4637 * spectrum management action = 3 (TPC/Link Measurement report) 4638 * TPC report EID = 35 4639 * TPC report element length = 2 4640 * 4641 * The spectrum management's tpc_report struct is used here both for 4642 * parsing tpc_report and radio measurement's link measurement report 4643 * frame, since the relevant part is identical in both frames. 4644 */ 4645 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 4646 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 4647 return false; 4648 4649 /* both spectrum mgmt and link measurement have same action code */ 4650 if (mgmt->u.action.u.tpc_report.action_code != 4651 WLAN_ACTION_SPCT_TPC_RPRT) 4652 return false; 4653 4654 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 4655 mgmt->u.action.u.tpc_report.tpc_elem_length != 4656 sizeof(struct ieee80211_tpc_report_ie)) 4657 return false; 4658 4659 return true; 4660 } 4661 4662 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb) 4663 { 4664 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4665 4666 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4667 return false; 4668 4669 if (!ieee80211_is_action(mgmt->frame_control)) 4670 return false; 4671 4672 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED && 4673 mgmt->u.action.u.wnm_timing_msr.action_code == 4674 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE && 4675 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr)) 4676 return true; 4677 4678 return false; 4679 } 4680 4681 static inline bool ieee80211_is_ftm(struct sk_buff *skb) 4682 { 4683 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4684 4685 if (!ieee80211_is_public_action((void *)mgmt, skb->len)) 4686 return false; 4687 4688 if (mgmt->u.action.u.ftm.action_code == 4689 WLAN_PUB_ACTION_FTM_RESPONSE && 4690 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm)) 4691 return true; 4692 4693 return false; 4694 } 4695 4696 struct element { 4697 u8 id; 4698 u8 datalen; 4699 u8 data[]; 4700 } __packed; 4701 4702 /* element iteration helpers */ 4703 #define for_each_element(_elem, _data, _datalen) \ 4704 for (_elem = (const struct element *)(_data); \ 4705 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 4706 (int)sizeof(*_elem) && \ 4707 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 4708 (int)sizeof(*_elem) + _elem->datalen; \ 4709 _elem = (const struct element *)(_elem->data + _elem->datalen)) 4710 4711 #define for_each_element_id(element, _id, data, datalen) \ 4712 for_each_element(element, data, datalen) \ 4713 if (element->id == (_id)) 4714 4715 #define for_each_element_extid(element, extid, _data, _datalen) \ 4716 for_each_element(element, _data, _datalen) \ 4717 if (element->id == WLAN_EID_EXTENSION && \ 4718 element->datalen > 0 && \ 4719 element->data[0] == (extid)) 4720 4721 #define for_each_subelement(sub, element) \ 4722 for_each_element(sub, (element)->data, (element)->datalen) 4723 4724 #define for_each_subelement_id(sub, id, element) \ 4725 for_each_element_id(sub, id, (element)->data, (element)->datalen) 4726 4727 #define for_each_subelement_extid(sub, extid, element) \ 4728 for_each_element_extid(sub, extid, (element)->data, (element)->datalen) 4729 4730 /** 4731 * for_each_element_completed - determine if element parsing consumed all data 4732 * @element: element pointer after for_each_element() or friends 4733 * @data: same data pointer as passed to for_each_element() or friends 4734 * @datalen: same data length as passed to for_each_element() or friends 4735 * 4736 * This function returns %true if all the data was parsed or considered 4737 * while walking the elements. Only use this if your for_each_element() 4738 * loop cannot be broken out of, otherwise it always returns %false. 4739 * 4740 * If some data was malformed, this returns %false since the last parsed 4741 * element will not fill the whole remaining data. 4742 */ 4743 static inline bool for_each_element_completed(const struct element *element, 4744 const void *data, size_t datalen) 4745 { 4746 return (const u8 *)element == (const u8 *)data + datalen; 4747 } 4748 4749 /* 4750 * RSNX Capabilities: 4751 * bits 0-3: Field length (n-1) 4752 */ 4753 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) 4754 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5) 4755 4756 /* 4757 * reduced neighbor report, based on Draft P802.11ax_D6.1, 4758 * section 9.4.2.170 and accepted contributions. 4759 */ 4760 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03 4761 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04 4762 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08 4763 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0 4764 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0 4765 #define IEEE80211_TBTT_INFO_TYPE_MLD 1 4766 4767 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01 4768 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02 4769 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04 4770 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08 4771 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10 4772 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20 4773 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40 4774 4775 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127 4776 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 4777 4778 struct ieee80211_neighbor_ap_info { 4779 u8 tbtt_info_hdr; 4780 u8 tbtt_info_len; 4781 u8 op_class; 4782 u8 channel; 4783 } __packed; 4784 4785 enum ieee80211_range_params_max_total_ltf { 4786 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0, 4787 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8, 4788 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16, 4789 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED, 4790 }; 4791 4792 /* 4793 * reduced neighbor report, based on Draft P802.11be_D3.0, 4794 * section 9.4.2.170.2. 4795 */ 4796 struct ieee80211_rnr_mld_params { 4797 u8 mld_id; 4798 __le16 params; 4799 } __packed; 4800 4801 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F 4802 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0 4803 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000 4804 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000 4805 4806 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */ 4807 struct ieee80211_tbtt_info_7_8_9 { 4808 u8 tbtt_offset; 4809 u8 bssid[ETH_ALEN]; 4810 4811 /* The following element is optional, structure may not grow */ 4812 u8 bss_params; 4813 s8 psd_20; 4814 } __packed; 4815 4816 /* Format of the TBTT information element if it has >= 11 bytes */ 4817 struct ieee80211_tbtt_info_ge_11 { 4818 u8 tbtt_offset; 4819 u8 bssid[ETH_ALEN]; 4820 __le32 short_ssid; 4821 4822 /* The following elements are optional, structure may grow */ 4823 u8 bss_params; 4824 s8 psd_20; 4825 struct ieee80211_rnr_mld_params mld_params; 4826 } __packed; 4827 4828 /* multi-link device */ 4829 #define IEEE80211_MLD_MAX_NUM_LINKS 15 4830 4831 #define IEEE80211_ML_CONTROL_TYPE 0x0007 4832 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0 4833 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1 4834 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2 4835 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3 4836 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4 4837 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0 4838 4839 struct ieee80211_multi_link_elem { 4840 __le16 control; 4841 u8 variable[]; 4842 } __packed; 4843 4844 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010 4845 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020 4846 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040 4847 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080 4848 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100 4849 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200 4850 4851 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff 4852 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00 4853 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000 4854 4855 /* 4856 * Described in P802.11be_D3.0 4857 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375) 4858 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0) 4859 * dot11MSDTXOPMAX defaults to 1 4860 */ 4861 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac 4862 4863 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001 4864 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e 4865 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0 4866 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1 4867 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2 4868 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3 4869 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4 4870 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070 4871 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0 4872 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1 4873 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2 4874 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3 4875 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4 4876 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5 4877 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080 4878 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700 4879 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0 4880 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1 4881 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2 4882 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3 4883 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4 4884 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800 4885 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0 4886 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1 4887 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2 4888 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3 4889 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4 4890 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5 4891 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6 4892 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7 4893 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8 4894 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9 4895 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10 4896 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11 4897 4898 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f 4899 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010 4900 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 4901 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0 4902 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 4903 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2 4904 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3 4905 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80 4906 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000 4907 4908 struct ieee80211_mle_basic_common_info { 4909 u8 len; 4910 u8 mld_mac_addr[ETH_ALEN]; 4911 u8 variable[]; 4912 } __packed; 4913 4914 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010 4915 4916 struct ieee80211_mle_preq_common_info { 4917 u8 len; 4918 u8 variable[]; 4919 } __packed; 4920 4921 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010 4922 4923 /* no fixed fields in RECONF */ 4924 4925 struct ieee80211_mle_tdls_common_info { 4926 u8 len; 4927 u8 ap_mld_mac_addr[ETH_ALEN]; 4928 } __packed; 4929 4930 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010 4931 4932 /* no fixed fields in PRIO_ACCESS */ 4933 4934 /** 4935 * ieee80211_mle_common_size - check multi-link element common size 4936 * @data: multi-link element, must already be checked for size using 4937 * ieee80211_mle_size_ok() 4938 */ 4939 static inline u8 ieee80211_mle_common_size(const u8 *data) 4940 { 4941 const struct ieee80211_multi_link_elem *mle = (const void *)data; 4942 u16 control = le16_to_cpu(mle->control); 4943 u8 common = 0; 4944 4945 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) { 4946 case IEEE80211_ML_CONTROL_TYPE_BASIC: 4947 case IEEE80211_ML_CONTROL_TYPE_PREQ: 4948 case IEEE80211_ML_CONTROL_TYPE_TDLS: 4949 case IEEE80211_ML_CONTROL_TYPE_RECONF: 4950 /* 4951 * The length is the first octet pointed by mle->variable so no 4952 * need to add anything 4953 */ 4954 break; 4955 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: 4956 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) 4957 common += ETH_ALEN; 4958 return common; 4959 default: 4960 WARN_ON(1); 4961 return 0; 4962 } 4963 4964 return sizeof(*mle) + common + mle->variable[0]; 4965 } 4966 4967 /** 4968 * ieee80211_mle_get_link_id - returns the link ID 4969 * @data: the basic multi link element 4970 * 4971 * The element is assumed to be of the correct type (BASIC) and big enough, 4972 * this must be checked using ieee80211_mle_type_ok(). 4973 * 4974 * If the BSS link ID can't be found, -1 will be returned 4975 */ 4976 static inline int ieee80211_mle_get_link_id(const u8 *data) 4977 { 4978 const struct ieee80211_multi_link_elem *mle = (const void *)data; 4979 u16 control = le16_to_cpu(mle->control); 4980 const u8 *common = mle->variable; 4981 4982 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 4983 common += sizeof(struct ieee80211_mle_basic_common_info); 4984 4985 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID)) 4986 return -1; 4987 4988 return *common; 4989 } 4990 4991 /** 4992 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count 4993 * @data: pointer to the basic multi link element 4994 * 4995 * The element is assumed to be of the correct type (BASIC) and big enough, 4996 * this must be checked using ieee80211_mle_type_ok(). 4997 * 4998 * If the BSS parameter change count value can't be found (the presence bit 4999 * for it is clear), -1 will be returned. 5000 */ 5001 static inline int 5002 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data) 5003 { 5004 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5005 u16 control = le16_to_cpu(mle->control); 5006 const u8 *common = mle->variable; 5007 5008 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5009 common += sizeof(struct ieee80211_mle_basic_common_info); 5010 5011 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)) 5012 return -1; 5013 5014 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5015 common += 1; 5016 5017 return *common; 5018 } 5019 5020 /** 5021 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay 5022 * @data: pointer to the multi link EHT IE 5023 * 5024 * The element is assumed to be of the correct type (BASIC) and big enough, 5025 * this must be checked using ieee80211_mle_type_ok(). 5026 * 5027 * If the medium synchronization is not present, then the default value is 5028 * returned. 5029 */ 5030 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data) 5031 { 5032 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5033 u16 control = le16_to_cpu(mle->control); 5034 const u8 *common = mle->variable; 5035 5036 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5037 common += sizeof(struct ieee80211_mle_basic_common_info); 5038 5039 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)) 5040 return IEEE80211_MED_SYNC_DELAY_DEFAULT; 5041 5042 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5043 common += 1; 5044 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5045 common += 1; 5046 5047 return get_unaligned_le16(common); 5048 } 5049 5050 /** 5051 * ieee80211_mle_get_eml_cap - returns the EML capability 5052 * @data: pointer to the multi link EHT IE 5053 * 5054 * The element is assumed to be of the correct type (BASIC) and big enough, 5055 * this must be checked using ieee80211_mle_type_ok(). 5056 * 5057 * If the EML capability is not present, 0 will be returned. 5058 */ 5059 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data) 5060 { 5061 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5062 u16 control = le16_to_cpu(mle->control); 5063 const u8 *common = mle->variable; 5064 5065 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5066 common += sizeof(struct ieee80211_mle_basic_common_info); 5067 5068 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)) 5069 return 0; 5070 5071 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5072 common += 1; 5073 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5074 common += 1; 5075 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5076 common += 2; 5077 5078 return get_unaligned_le16(common); 5079 } 5080 5081 /** 5082 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations. 5083 * @data: pointer to the multi link EHT IE 5084 * 5085 * The element is assumed to be of the correct type (BASIC) and big enough, 5086 * this must be checked using ieee80211_mle_type_ok(). 5087 * 5088 * If the MLD capabilities and operations field is not present, 0 will be 5089 * returned. 5090 */ 5091 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data) 5092 { 5093 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5094 u16 control = le16_to_cpu(mle->control); 5095 const u8 *common = mle->variable; 5096 5097 /* 5098 * common points now at the beginning of 5099 * ieee80211_mle_basic_common_info 5100 */ 5101 common += sizeof(struct ieee80211_mle_basic_common_info); 5102 5103 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)) 5104 return 0; 5105 5106 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5107 common += 1; 5108 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5109 common += 1; 5110 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5111 common += 2; 5112 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5113 common += 2; 5114 5115 return get_unaligned_le16(common); 5116 } 5117 5118 /** 5119 * ieee80211_mle_get_mld_id - returns the MLD ID 5120 * @data: pointer to the multi link element 5121 * 5122 * The element is assumed to be of the correct type (BASIC) and big enough, 5123 * this must be checked using ieee80211_mle_type_ok(). 5124 * 5125 * If the MLD ID is not present, 0 will be returned. 5126 */ 5127 static inline u8 ieee80211_mle_get_mld_id(const u8 *data) 5128 { 5129 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5130 u16 control = le16_to_cpu(mle->control); 5131 const u8 *common = mle->variable; 5132 5133 /* 5134 * common points now at the beginning of 5135 * ieee80211_mle_basic_common_info 5136 */ 5137 common += sizeof(struct ieee80211_mle_basic_common_info); 5138 5139 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID)) 5140 return 0; 5141 5142 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5143 common += 1; 5144 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5145 common += 1; 5146 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5147 common += 2; 5148 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5149 common += 2; 5150 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP) 5151 common += 2; 5152 5153 return *common; 5154 } 5155 5156 /** 5157 * ieee80211_mle_size_ok - validate multi-link element size 5158 * @data: pointer to the element data 5159 * @len: length of the containing element 5160 */ 5161 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len) 5162 { 5163 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5164 u8 fixed = sizeof(*mle); 5165 u8 common = 0; 5166 bool check_common_len = false; 5167 u16 control; 5168 5169 if (len < fixed) 5170 return false; 5171 5172 control = le16_to_cpu(mle->control); 5173 5174 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) { 5175 case IEEE80211_ML_CONTROL_TYPE_BASIC: 5176 common += sizeof(struct ieee80211_mle_basic_common_info); 5177 check_common_len = true; 5178 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5179 common += 1; 5180 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5181 common += 1; 5182 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5183 common += 2; 5184 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5185 common += 2; 5186 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP) 5187 common += 2; 5188 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID) 5189 common += 1; 5190 break; 5191 case IEEE80211_ML_CONTROL_TYPE_PREQ: 5192 common += sizeof(struct ieee80211_mle_preq_common_info); 5193 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID) 5194 common += 1; 5195 check_common_len = true; 5196 break; 5197 case IEEE80211_ML_CONTROL_TYPE_RECONF: 5198 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR) 5199 common += ETH_ALEN; 5200 break; 5201 case IEEE80211_ML_CONTROL_TYPE_TDLS: 5202 common += sizeof(struct ieee80211_mle_tdls_common_info); 5203 check_common_len = true; 5204 break; 5205 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: 5206 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) 5207 common += ETH_ALEN; 5208 break; 5209 default: 5210 /* we don't know this type */ 5211 return true; 5212 } 5213 5214 if (len < fixed + common) 5215 return false; 5216 5217 if (!check_common_len) 5218 return true; 5219 5220 /* if present, common length is the first octet there */ 5221 return mle->variable[0] >= common; 5222 } 5223 5224 /** 5225 * ieee80211_mle_type_ok - validate multi-link element type and size 5226 * @data: pointer to the element data 5227 * @type: expected type of the element 5228 * @len: length of the containing element 5229 */ 5230 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len) 5231 { 5232 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5233 u16 control; 5234 5235 if (!ieee80211_mle_size_ok(data, len)) 5236 return false; 5237 5238 control = le16_to_cpu(mle->control); 5239 5240 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type) 5241 return true; 5242 5243 return false; 5244 } 5245 5246 enum ieee80211_mle_subelems { 5247 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0, 5248 IEEE80211_MLE_SUBELEM_FRAGMENT = 254, 5249 }; 5250 5251 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f 5252 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010 5253 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020 5254 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040 5255 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080 5256 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100 5257 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200 5258 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400 5259 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800 5260 5261 struct ieee80211_mle_per_sta_profile { 5262 __le16 control; 5263 u8 sta_info_len; 5264 u8 variable[]; 5265 } __packed; 5266 5267 /** 5268 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta 5269 * profile size 5270 * @data: pointer to the sub element data 5271 * @len: length of the containing sub element 5272 */ 5273 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data, 5274 size_t len) 5275 { 5276 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data; 5277 u16 control; 5278 u8 fixed = sizeof(*prof); 5279 u8 info_len = 1; 5280 5281 if (len < fixed) 5282 return false; 5283 5284 control = le16_to_cpu(prof->control); 5285 5286 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT) 5287 info_len += 6; 5288 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT) 5289 info_len += 2; 5290 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT) 5291 info_len += 8; 5292 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT) 5293 info_len += 2; 5294 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE && 5295 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) { 5296 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) 5297 info_len += 2; 5298 else 5299 info_len += 1; 5300 } 5301 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT) 5302 info_len += 1; 5303 5304 return prof->sta_info_len >= info_len && 5305 fixed + prof->sta_info_len <= len; 5306 } 5307 5308 /** 5309 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS 5310 * parameter change count 5311 * @prof: the per-STA profile, having been checked with 5312 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length 5313 * 5314 * Return: The BSS parameter change count value if present, 0 otherwise. 5315 */ 5316 static inline u8 5317 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof) 5318 { 5319 u16 control = le16_to_cpu(prof->control); 5320 const u8 *pos = prof->variable; 5321 5322 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)) 5323 return 0; 5324 5325 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT) 5326 pos += 6; 5327 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT) 5328 pos += 2; 5329 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT) 5330 pos += 8; 5331 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT) 5332 pos += 2; 5333 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE && 5334 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) { 5335 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) 5336 pos += 2; 5337 else 5338 pos += 1; 5339 } 5340 5341 return *pos; 5342 } 5343 5344 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f 5345 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010 5346 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020 5347 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040 5348 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780 5349 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800 5350 5351 /** 5352 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link 5353 * element sta profile size. 5354 * @data: pointer to the sub element data 5355 * @len: length of the containing sub element 5356 */ 5357 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data, 5358 size_t len) 5359 { 5360 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data; 5361 u16 control; 5362 u8 fixed = sizeof(*prof); 5363 u8 info_len = 1; 5364 5365 if (len < fixed) 5366 return false; 5367 5368 control = le16_to_cpu(prof->control); 5369 5370 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT) 5371 info_len += ETH_ALEN; 5372 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT) 5373 info_len += 2; 5374 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT) 5375 info_len += 2; 5376 5377 return prof->sta_info_len >= info_len && 5378 fixed + prof->sta_info_len - 1 <= len; 5379 } 5380 5381 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len) 5382 { 5383 const struct ieee80211_ttlm_elem *t2l = (const void *)data; 5384 u8 control, fixed = sizeof(*t2l), elem_len = 0; 5385 5386 if (len < fixed) 5387 return false; 5388 5389 control = t2l->control; 5390 5391 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT) 5392 elem_len += 2; 5393 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT) 5394 elem_len += 3; 5395 5396 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) { 5397 u8 bm_size; 5398 5399 elem_len += 1; 5400 if (len < fixed + elem_len) 5401 return false; 5402 5403 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE) 5404 bm_size = 1; 5405 else 5406 bm_size = 2; 5407 5408 elem_len += hweight8(t2l->optional[0]) * bm_size; 5409 } 5410 5411 return len >= fixed + elem_len; 5412 } 5413 5414 #define for_each_mle_subelement(_elem, _data, _len) \ 5415 if (ieee80211_mle_size_ok(_data, _len)) \ 5416 for_each_element(_elem, \ 5417 _data + ieee80211_mle_common_size(_data),\ 5418 _len - ieee80211_mle_common_size(_data)) 5419 5420 #endif /* LINUX_IEEE80211_H */ 5421