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