1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * IEEE 802.11 defines 4 * 5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 6 * <[email protected]> 7 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 8 * Copyright (c) 2005, Devicescape Software, Inc. 9 * Copyright (c) 2006, Michael Wu <[email protected]> 10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH 12 * Copyright (c) 2018 - 2024 Intel Corporation 13 */ 14 15 #ifndef LINUX_IEEE80211_H 16 #define LINUX_IEEE80211_H 17 18 #include <linux/types.h> 19 #include <linux/if_ether.h> 20 #include <linux/etherdevice.h> 21 #include <linux/bitfield.h> 22 #include <asm/byteorder.h> 23 #include <asm/unaligned.h> 24 25 /* 26 * DS bit usage 27 * 28 * TA = transmitter address 29 * RA = receiver address 30 * DA = destination address 31 * SA = source address 32 * 33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 34 * ----------------------------------------------------------------- 35 * 0 0 DA SA BSSID - IBSS/DLS 36 * 0 1 DA BSSID SA - AP -> STA 37 * 1 0 BSSID SA DA - AP <- STA 38 * 1 1 RA TA DA SA unspecified (WDS) 39 */ 40 41 #define FCS_LEN 4 42 43 #define IEEE80211_FCTL_VERS 0x0003 44 #define IEEE80211_FCTL_FTYPE 0x000c 45 #define IEEE80211_FCTL_STYPE 0x00f0 46 #define IEEE80211_FCTL_TODS 0x0100 47 #define IEEE80211_FCTL_FROMDS 0x0200 48 #define IEEE80211_FCTL_MOREFRAGS 0x0400 49 #define IEEE80211_FCTL_RETRY 0x0800 50 #define IEEE80211_FCTL_PM 0x1000 51 #define IEEE80211_FCTL_MOREDATA 0x2000 52 #define IEEE80211_FCTL_PROTECTED 0x4000 53 #define IEEE80211_FCTL_ORDER 0x8000 54 #define IEEE80211_FCTL_CTL_EXT 0x0f00 55 56 #define IEEE80211_SCTL_FRAG 0x000F 57 #define IEEE80211_SCTL_SEQ 0xFFF0 58 59 #define IEEE80211_FTYPE_MGMT 0x0000 60 #define IEEE80211_FTYPE_CTL 0x0004 61 #define IEEE80211_FTYPE_DATA 0x0008 62 #define IEEE80211_FTYPE_EXT 0x000c 63 64 /* management */ 65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 69 #define IEEE80211_STYPE_PROBE_REQ 0x0040 70 #define IEEE80211_STYPE_PROBE_RESP 0x0050 71 #define IEEE80211_STYPE_BEACON 0x0080 72 #define IEEE80211_STYPE_ATIM 0x0090 73 #define IEEE80211_STYPE_DISASSOC 0x00A0 74 #define IEEE80211_STYPE_AUTH 0x00B0 75 #define IEEE80211_STYPE_DEAUTH 0x00C0 76 #define IEEE80211_STYPE_ACTION 0x00D0 77 78 /* control */ 79 #define IEEE80211_STYPE_TRIGGER 0x0020 80 #define IEEE80211_STYPE_CTL_EXT 0x0060 81 #define IEEE80211_STYPE_BACK_REQ 0x0080 82 #define IEEE80211_STYPE_BACK 0x0090 83 #define IEEE80211_STYPE_PSPOLL 0x00A0 84 #define IEEE80211_STYPE_RTS 0x00B0 85 #define IEEE80211_STYPE_CTS 0x00C0 86 #define IEEE80211_STYPE_ACK 0x00D0 87 #define IEEE80211_STYPE_CFEND 0x00E0 88 #define IEEE80211_STYPE_CFENDACK 0x00F0 89 90 /* data */ 91 #define IEEE80211_STYPE_DATA 0x0000 92 #define IEEE80211_STYPE_DATA_CFACK 0x0010 93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 95 #define IEEE80211_STYPE_NULLFUNC 0x0040 96 #define IEEE80211_STYPE_CFACK 0x0050 97 #define IEEE80211_STYPE_CFPOLL 0x0060 98 #define IEEE80211_STYPE_CFACKPOLL 0x0070 99 #define IEEE80211_STYPE_QOS_DATA 0x0080 100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 107 108 /* extension, added by 802.11ad */ 109 #define IEEE80211_STYPE_DMG_BEACON 0x0000 110 #define IEEE80211_STYPE_S1G_BEACON 0x0010 111 112 /* bits unique to S1G beacon */ 113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 114 115 /* see 802.11ah-2016 9.9 NDP CMAC frames */ 116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25 117 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4 118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37 119 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5 120 121 #define IEEE80211_NDP_FTYPE_CTS 0 122 #define IEEE80211_NDP_FTYPE_CF_END 0 123 #define IEEE80211_NDP_FTYPE_PS_POLL 1 124 #define IEEE80211_NDP_FTYPE_ACK 2 125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3 126 #define IEEE80211_NDP_FTYPE_BA 4 127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5 128 #define IEEE80211_NDP_FTYPE_PAGING 6 129 #define IEEE80211_NDP_FTYPE_PREQ 7 130 131 #define SM64(f, v) ((((u64)v) << f##_S) & f) 132 133 /* NDP CMAC frame fields */ 134 #define IEEE80211_NDP_FTYPE 0x0000000000000007 135 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000 136 137 /* 1M Probe Request 11ah 9.9.3.1.1 */ 138 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008 139 #define IEEE80211_NDP_1M_PREQ_ANO_S 3 140 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0 141 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4 142 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000 143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20 144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 145 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000 146 /* 2M Probe Request 11ah 9.9.3.1.2 */ 147 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008 148 #define IEEE80211_NDP_2M_PREQ_ANO_S 3 149 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0 150 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4 151 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000 152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36 153 154 #define IEEE80211_ANO_NETTYPE_WILD 15 155 156 /* bits unique to S1G beacon */ 157 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100 158 159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 160 #define IEEE80211_CTL_EXT_POLL 0x2000 161 #define IEEE80211_CTL_EXT_SPR 0x3000 162 #define IEEE80211_CTL_EXT_GRANT 0x4000 163 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 164 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 165 #define IEEE80211_CTL_EXT_SSW 0x8000 166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 167 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 168 169 170 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 171 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 172 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 173 174 175 /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */ 176 #define IEEE80211_PV1_FCTL_VERS 0x0003 177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c 178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0 179 #define IEEE80211_PV1_FCTL_FROMDS 0x0100 180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200 181 #define IEEE80211_PV1_FCTL_PM 0x0400 182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800 183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000 184 #define IEEE80211_PV1_FCTL_END_SP 0x2000 185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000 186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000 187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00 188 189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 190 { 191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 192 } 193 194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2) 195 { 196 return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1); 197 } 198 199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 200 { 201 return (sn1 + sn2) & IEEE80211_SN_MASK; 202 } 203 204 static inline u16 ieee80211_sn_inc(u16 sn) 205 { 206 return ieee80211_sn_add(sn, 1); 207 } 208 209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 210 { 211 return (sn1 - sn2) & IEEE80211_SN_MASK; 212 } 213 214 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 215 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 216 217 /* miscellaneous IEEE 802.11 constants */ 218 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 219 #define IEEE80211_MAX_RTS_THRESHOLD 2353 220 #define IEEE80211_MAX_AID 2007 221 #define IEEE80211_MAX_AID_S1G 8191 222 #define IEEE80211_MAX_TIM_LEN 251 223 #define IEEE80211_MAX_MESH_PEERINGS 63 224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 225 6.2.1.1.2. 226 227 802.11e clarifies the figure in section 7.1.2. The frame body is 228 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 229 #define IEEE80211_MAX_DATA_LEN 2304 230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 231 * to 7920 bytes, see 8.2.3 General frame format 232 */ 233 #define IEEE80211_MAX_DATA_LEN_DMG 7920 234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 235 #define IEEE80211_MAX_FRAME_LEN 2352 236 237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 238 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 239 240 /* Maximal size of an A-MSDU */ 241 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 242 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 243 244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 247 248 #define IEEE80211_MAX_SSID_LEN 32 249 250 #define IEEE80211_MAX_MESH_ID_LEN 32 251 252 #define IEEE80211_FIRST_TSPEC_TSID 8 253 #define IEEE80211_NUM_TIDS 16 254 255 /* number of user priorities 802.11 uses */ 256 #define IEEE80211_NUM_UPS 8 257 /* number of ACs */ 258 #define IEEE80211_NUM_ACS 4 259 260 #define IEEE80211_QOS_CTL_LEN 2 261 /* 1d tag mask */ 262 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 263 /* TID mask */ 264 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 265 /* EOSP */ 266 #define IEEE80211_QOS_CTL_EOSP 0x0010 267 /* ACK policy */ 268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 273 /* A-MSDU 802.11n */ 274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 275 /* Mesh Control 802.11s */ 276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 277 278 /* Mesh Power Save Level */ 279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 280 /* Mesh Receiver Service Period Initiated */ 281 #define IEEE80211_QOS_CTL_RSPI 0x0400 282 283 /* U-APSD queue for WMM IEs sent by AP */ 284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 286 287 /* U-APSD queues for WMM IEs sent by STA */ 288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 293 294 /* U-APSD max SP length for WMM IEs sent by STA */ 295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 301 302 #define IEEE80211_HT_CTL_LEN 4 303 304 /* trigger type within common_info of trigger frame */ 305 #define IEEE80211_TRIGGER_TYPE_MASK 0xf 306 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0 307 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1 308 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2 309 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3 310 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4 311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5 312 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6 313 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7 314 315 /* UL-bandwidth within common_info of trigger frame */ 316 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 317 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 318 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 319 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 321 322 struct ieee80211_hdr { 323 __le16 frame_control; 324 __le16 duration_id; 325 struct_group(addrs, 326 u8 addr1[ETH_ALEN]; 327 u8 addr2[ETH_ALEN]; 328 u8 addr3[ETH_ALEN]; 329 ); 330 __le16 seq_ctrl; 331 u8 addr4[ETH_ALEN]; 332 } __packed __aligned(2); 333 334 struct ieee80211_hdr_3addr { 335 __le16 frame_control; 336 __le16 duration_id; 337 u8 addr1[ETH_ALEN]; 338 u8 addr2[ETH_ALEN]; 339 u8 addr3[ETH_ALEN]; 340 __le16 seq_ctrl; 341 } __packed __aligned(2); 342 343 struct ieee80211_qos_hdr { 344 __le16 frame_control; 345 __le16 duration_id; 346 u8 addr1[ETH_ALEN]; 347 u8 addr2[ETH_ALEN]; 348 u8 addr3[ETH_ALEN]; 349 __le16 seq_ctrl; 350 __le16 qos_ctrl; 351 } __packed __aligned(2); 352 353 struct ieee80211_qos_hdr_4addr { 354 __le16 frame_control; 355 __le16 duration_id; 356 u8 addr1[ETH_ALEN]; 357 u8 addr2[ETH_ALEN]; 358 u8 addr3[ETH_ALEN]; 359 __le16 seq_ctrl; 360 u8 addr4[ETH_ALEN]; 361 __le16 qos_ctrl; 362 } __packed __aligned(2); 363 364 struct ieee80211_trigger { 365 __le16 frame_control; 366 __le16 duration; 367 u8 ra[ETH_ALEN]; 368 u8 ta[ETH_ALEN]; 369 __le64 common_info; 370 u8 variable[]; 371 } __packed __aligned(2); 372 373 /** 374 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 375 * @fc: frame control bytes in little-endian byteorder 376 * Return: whether or not the frame has to-DS set 377 */ 378 static inline bool ieee80211_has_tods(__le16 fc) 379 { 380 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 381 } 382 383 /** 384 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 385 * @fc: frame control bytes in little-endian byteorder 386 * Return: whether or not the frame has from-DS set 387 */ 388 static inline bool ieee80211_has_fromds(__le16 fc) 389 { 390 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 391 } 392 393 /** 394 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 395 * @fc: frame control bytes in little-endian byteorder 396 * Return: whether or not it's a 4-address frame (from-DS and to-DS set) 397 */ 398 static inline bool ieee80211_has_a4(__le16 fc) 399 { 400 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 401 return (fc & tmp) == tmp; 402 } 403 404 /** 405 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 406 * @fc: frame control bytes in little-endian byteorder 407 * Return: whether or not the frame has more fragments (more frags bit set) 408 */ 409 static inline bool ieee80211_has_morefrags(__le16 fc) 410 { 411 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 412 } 413 414 /** 415 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 416 * @fc: frame control bytes in little-endian byteorder 417 * Return: whether or not the retry flag is set 418 */ 419 static inline bool ieee80211_has_retry(__le16 fc) 420 { 421 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 422 } 423 424 /** 425 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 426 * @fc: frame control bytes in little-endian byteorder 427 * Return: whether or not the power management flag is set 428 */ 429 static inline bool ieee80211_has_pm(__le16 fc) 430 { 431 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 432 } 433 434 /** 435 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 436 * @fc: frame control bytes in little-endian byteorder 437 * Return: whether or not the more data flag is set 438 */ 439 static inline bool ieee80211_has_moredata(__le16 fc) 440 { 441 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 442 } 443 444 /** 445 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 446 * @fc: frame control bytes in little-endian byteorder 447 * Return: whether or not the protected flag is set 448 */ 449 static inline bool ieee80211_has_protected(__le16 fc) 450 { 451 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 452 } 453 454 /** 455 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 456 * @fc: frame control bytes in little-endian byteorder 457 * Return: whether or not the order flag is set 458 */ 459 static inline bool ieee80211_has_order(__le16 fc) 460 { 461 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 462 } 463 464 /** 465 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 466 * @fc: frame control bytes in little-endian byteorder 467 * Return: whether or not the frame type is management 468 */ 469 static inline bool ieee80211_is_mgmt(__le16 fc) 470 { 471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 472 cpu_to_le16(IEEE80211_FTYPE_MGMT); 473 } 474 475 /** 476 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 477 * @fc: frame control bytes in little-endian byteorder 478 * Return: whether or not the frame type is control 479 */ 480 static inline bool ieee80211_is_ctl(__le16 fc) 481 { 482 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 483 cpu_to_le16(IEEE80211_FTYPE_CTL); 484 } 485 486 /** 487 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 488 * @fc: frame control bytes in little-endian byteorder 489 * Return: whether or not the frame is a data frame 490 */ 491 static inline bool ieee80211_is_data(__le16 fc) 492 { 493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 494 cpu_to_le16(IEEE80211_FTYPE_DATA); 495 } 496 497 /** 498 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT 499 * @fc: frame control bytes in little-endian byteorder 500 * Return: whether or not the frame type is extended 501 */ 502 static inline bool ieee80211_is_ext(__le16 fc) 503 { 504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 505 cpu_to_le16(IEEE80211_FTYPE_EXT); 506 } 507 508 509 /** 510 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 511 * @fc: frame control bytes in little-endian byteorder 512 * Return: whether or not the frame is a QoS data frame 513 */ 514 static inline bool ieee80211_is_data_qos(__le16 fc) 515 { 516 /* 517 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 518 * to check the one bit 519 */ 520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 521 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 522 } 523 524 /** 525 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 526 * @fc: frame control bytes in little-endian byteorder 527 * Return: whether or not the frame is a QoS data frame that has data 528 * (i.e. is not null data) 529 */ 530 static inline bool ieee80211_is_data_present(__le16 fc) 531 { 532 /* 533 * mask with 0x40 and test that that bit is clear to only return true 534 * for the data-containing substypes. 535 */ 536 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 537 cpu_to_le16(IEEE80211_FTYPE_DATA); 538 } 539 540 /** 541 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 542 * @fc: frame control bytes in little-endian byteorder 543 * Return: whether or not the frame is an association request 544 */ 545 static inline bool ieee80211_is_assoc_req(__le16 fc) 546 { 547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 548 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 549 } 550 551 /** 552 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 553 * @fc: frame control bytes in little-endian byteorder 554 * Return: whether or not the frame is an association response 555 */ 556 static inline bool ieee80211_is_assoc_resp(__le16 fc) 557 { 558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 559 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 560 } 561 562 /** 563 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 564 * @fc: frame control bytes in little-endian byteorder 565 * Return: whether or not the frame is a reassociation request 566 */ 567 static inline bool ieee80211_is_reassoc_req(__le16 fc) 568 { 569 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 570 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 571 } 572 573 /** 574 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 575 * @fc: frame control bytes in little-endian byteorder 576 * Return: whether or not the frame is a reassociation response 577 */ 578 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 579 { 580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 581 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 582 } 583 584 /** 585 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 586 * @fc: frame control bytes in little-endian byteorder 587 * Return: whether or not the frame is a probe request 588 */ 589 static inline bool ieee80211_is_probe_req(__le16 fc) 590 { 591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 592 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 593 } 594 595 /** 596 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 597 * @fc: frame control bytes in little-endian byteorder 598 * Return: whether or not the frame is a probe response 599 */ 600 static inline bool ieee80211_is_probe_resp(__le16 fc) 601 { 602 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 603 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 604 } 605 606 /** 607 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 608 * @fc: frame control bytes in little-endian byteorder 609 * Return: whether or not the frame is a (regular, not S1G) beacon 610 */ 611 static inline bool ieee80211_is_beacon(__le16 fc) 612 { 613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 614 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 615 } 616 617 /** 618 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT && 619 * IEEE80211_STYPE_S1G_BEACON 620 * @fc: frame control bytes in little-endian byteorder 621 * Return: whether or not the frame is an S1G beacon 622 */ 623 static inline bool ieee80211_is_s1g_beacon(__le16 fc) 624 { 625 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 626 IEEE80211_FCTL_STYPE)) == 627 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON); 628 } 629 630 /** 631 * ieee80211_is_s1g_short_beacon - check if frame is an S1G short beacon 632 * @fc: frame control bytes in little-endian byteorder 633 * Return: whether or not the frame is an S1G short beacon, 634 * i.e. it is an S1G beacon with 'next TBTT' flag set 635 */ 636 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc) 637 { 638 return ieee80211_is_s1g_beacon(fc) && 639 (fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT)); 640 } 641 642 /** 643 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 644 * @fc: frame control bytes in little-endian byteorder 645 * Return: whether or not the frame is an ATIM frame 646 */ 647 static inline bool ieee80211_is_atim(__le16 fc) 648 { 649 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 650 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 651 } 652 653 /** 654 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 655 * @fc: frame control bytes in little-endian byteorder 656 * Return: whether or not the frame is a disassociation frame 657 */ 658 static inline bool ieee80211_is_disassoc(__le16 fc) 659 { 660 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 661 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 662 } 663 664 /** 665 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 666 * @fc: frame control bytes in little-endian byteorder 667 * Return: whether or not the frame is an authentication frame 668 */ 669 static inline bool ieee80211_is_auth(__le16 fc) 670 { 671 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 672 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 673 } 674 675 /** 676 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 677 * @fc: frame control bytes in little-endian byteorder 678 * Return: whether or not the frame is a deauthentication frame 679 */ 680 static inline bool ieee80211_is_deauth(__le16 fc) 681 { 682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 683 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 684 } 685 686 /** 687 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 688 * @fc: frame control bytes in little-endian byteorder 689 * Return: whether or not the frame is an action frame 690 */ 691 static inline bool ieee80211_is_action(__le16 fc) 692 { 693 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 694 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 695 } 696 697 /** 698 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 699 * @fc: frame control bytes in little-endian byteorder 700 * Return: whether or not the frame is a block-ACK request frame 701 */ 702 static inline bool ieee80211_is_back_req(__le16 fc) 703 { 704 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 705 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 706 } 707 708 /** 709 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 710 * @fc: frame control bytes in little-endian byteorder 711 * Return: whether or not the frame is a block-ACK frame 712 */ 713 static inline bool ieee80211_is_back(__le16 fc) 714 { 715 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 716 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 717 } 718 719 /** 720 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 721 * @fc: frame control bytes in little-endian byteorder 722 * Return: whether or not the frame is a PS-poll frame 723 */ 724 static inline bool ieee80211_is_pspoll(__le16 fc) 725 { 726 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 727 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 728 } 729 730 /** 731 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 732 * @fc: frame control bytes in little-endian byteorder 733 * Return: whether or not the frame is an RTS frame 734 */ 735 static inline bool ieee80211_is_rts(__le16 fc) 736 { 737 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 738 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 739 } 740 741 /** 742 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 743 * @fc: frame control bytes in little-endian byteorder 744 * Return: whether or not the frame is a CTS frame 745 */ 746 static inline bool ieee80211_is_cts(__le16 fc) 747 { 748 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 749 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 750 } 751 752 /** 753 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 754 * @fc: frame control bytes in little-endian byteorder 755 * Return: whether or not the frame is an ACK frame 756 */ 757 static inline bool ieee80211_is_ack(__le16 fc) 758 { 759 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 760 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 761 } 762 763 /** 764 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 765 * @fc: frame control bytes in little-endian byteorder 766 * Return: whether or not the frame is a CF-end frame 767 */ 768 static inline bool ieee80211_is_cfend(__le16 fc) 769 { 770 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 771 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 772 } 773 774 /** 775 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 776 * @fc: frame control bytes in little-endian byteorder 777 * Return: whether or not the frame is a CF-end-ack frame 778 */ 779 static inline bool ieee80211_is_cfendack(__le16 fc) 780 { 781 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 782 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 783 } 784 785 /** 786 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 787 * @fc: frame control bytes in little-endian byteorder 788 * Return: whether or not the frame is a nullfunc frame 789 */ 790 static inline bool ieee80211_is_nullfunc(__le16 fc) 791 { 792 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 793 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 794 } 795 796 /** 797 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 798 * @fc: frame control bytes in little-endian byteorder 799 * Return: whether or not the frame is a QoS nullfunc frame 800 */ 801 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 802 { 803 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 804 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 805 } 806 807 /** 808 * ieee80211_is_trigger - check if frame is trigger frame 809 * @fc: frame control field in little-endian byteorder 810 * Return: whether or not the frame is a trigger frame 811 */ 812 static inline bool ieee80211_is_trigger(__le16 fc) 813 { 814 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 815 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER); 816 } 817 818 /** 819 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame 820 * @fc: frame control bytes in little-endian byteorder 821 * Return: whether or not the frame is a nullfunc or QoS nullfunc frame 822 */ 823 static inline bool ieee80211_is_any_nullfunc(__le16 fc) 824 { 825 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 826 } 827 828 /** 829 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 830 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 831 * Return: whether or not the frame is the first fragment (also true if 832 * it's not fragmented at all) 833 */ 834 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 835 { 836 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 837 } 838 839 /** 840 * ieee80211_is_frag - check if a frame is a fragment 841 * @hdr: 802.11 header of the frame 842 * Return: whether or not the frame is a fragment 843 */ 844 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 845 { 846 return ieee80211_has_morefrags(hdr->frame_control) || 847 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 848 } 849 850 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr) 851 { 852 return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ); 853 } 854 855 struct ieee80211s_hdr { 856 u8 flags; 857 u8 ttl; 858 __le32 seqnum; 859 u8 eaddr1[ETH_ALEN]; 860 u8 eaddr2[ETH_ALEN]; 861 } __packed __aligned(2); 862 863 /* Mesh flags */ 864 #define MESH_FLAGS_AE_A4 0x1 865 #define MESH_FLAGS_AE_A5_A6 0x2 866 #define MESH_FLAGS_AE 0x3 867 #define MESH_FLAGS_PS_DEEP 0x4 868 869 /** 870 * enum ieee80211_preq_flags - mesh PREQ element flags 871 * 872 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 873 */ 874 enum ieee80211_preq_flags { 875 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 876 }; 877 878 /** 879 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 880 * 881 * @IEEE80211_PREQ_TO_FLAG: target only subfield 882 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 883 */ 884 enum ieee80211_preq_target_flags { 885 IEEE80211_PREQ_TO_FLAG = 1<<0, 886 IEEE80211_PREQ_USN_FLAG = 1<<2, 887 }; 888 889 /** 890 * struct ieee80211_quiet_ie - Quiet element 891 * @count: Quiet Count 892 * @period: Quiet Period 893 * @duration: Quiet Duration 894 * @offset: Quiet Offset 895 * 896 * This structure represents the payload of the "Quiet element" as 897 * described in IEEE Std 802.11-2020 section 9.4.2.22. 898 */ 899 struct ieee80211_quiet_ie { 900 u8 count; 901 u8 period; 902 __le16 duration; 903 __le16 offset; 904 } __packed; 905 906 /** 907 * struct ieee80211_msrment_ie - Measurement element 908 * @token: Measurement Token 909 * @mode: Measurement Report Mode 910 * @type: Measurement Type 911 * @request: Measurement Request or Measurement Report 912 * 913 * This structure represents the payload of both the "Measurement 914 * Request element" and the "Measurement Report element" as described 915 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21. 916 */ 917 struct ieee80211_msrment_ie { 918 u8 token; 919 u8 mode; 920 u8 type; 921 u8 request[]; 922 } __packed; 923 924 /** 925 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element 926 * @mode: Channel Switch Mode 927 * @new_ch_num: New Channel Number 928 * @count: Channel Switch Count 929 * 930 * This structure represents the payload of the "Channel Switch 931 * Announcement element" as described in IEEE Std 802.11-2020 section 932 * 9.4.2.18. 933 */ 934 struct ieee80211_channel_sw_ie { 935 u8 mode; 936 u8 new_ch_num; 937 u8 count; 938 } __packed; 939 940 /** 941 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element 942 * @mode: Channel Switch Mode 943 * @new_operating_class: New Operating Class 944 * @new_ch_num: New Channel Number 945 * @count: Channel Switch Count 946 * 947 * This structure represents the "Extended Channel Switch Announcement 948 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52. 949 */ 950 struct ieee80211_ext_chansw_ie { 951 u8 mode; 952 u8 new_operating_class; 953 u8 new_ch_num; 954 u8 count; 955 } __packed; 956 957 /** 958 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 959 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 960 * values here 961 * This structure represents the "Secondary Channel Offset element" 962 */ 963 struct ieee80211_sec_chan_offs_ie { 964 u8 sec_chan_offs; 965 } __packed; 966 967 /** 968 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 969 * @mesh_ttl: Time To Live 970 * @mesh_flags: Flags 971 * @mesh_reason: Reason Code 972 * @mesh_pre_value: Precedence Value 973 * 974 * This structure represents the payload of the "Mesh Channel Switch 975 * Parameters element" as described in IEEE Std 802.11-2020 section 976 * 9.4.2.102. 977 */ 978 struct ieee80211_mesh_chansw_params_ie { 979 u8 mesh_ttl; 980 u8 mesh_flags; 981 __le16 mesh_reason; 982 __le16 mesh_pre_value; 983 } __packed; 984 985 /** 986 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 987 * @new_channel_width: New Channel Width 988 * @new_center_freq_seg0: New Channel Center Frequency Segment 0 989 * @new_center_freq_seg1: New Channel Center Frequency Segment 1 990 * 991 * This structure represents the payload of the "Wide Bandwidth 992 * Channel Switch element" as described in IEEE Std 802.11-2020 993 * section 9.4.2.160. 994 */ 995 struct ieee80211_wide_bw_chansw_ie { 996 u8 new_channel_width; 997 u8 new_center_freq_seg0, new_center_freq_seg1; 998 } __packed; 999 1000 /** 1001 * struct ieee80211_tim_ie - Traffic Indication Map information element 1002 * @dtim_count: DTIM Count 1003 * @dtim_period: DTIM Period 1004 * @bitmap_ctrl: Bitmap Control 1005 * @required_octet: "Syntatic sugar" to force the struct size to the 1006 * minimum valid size when carried in a non-S1G PPDU 1007 * @virtual_map: Partial Virtual Bitmap 1008 * 1009 * This structure represents the payload of the "TIM element" as 1010 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this 1011 * definition is only applicable when the element is carried in a 1012 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap 1013 * Control and Partial Virtual Bitmap may not be present. 1014 */ 1015 struct ieee80211_tim_ie { 1016 u8 dtim_count; 1017 u8 dtim_period; 1018 u8 bitmap_ctrl; 1019 union { 1020 u8 required_octet; 1021 DECLARE_FLEX_ARRAY(u8, virtual_map); 1022 }; 1023 } __packed; 1024 1025 /** 1026 * struct ieee80211_meshconf_ie - Mesh Configuration element 1027 * @meshconf_psel: Active Path Selection Protocol Identifier 1028 * @meshconf_pmetric: Active Path Selection Metric Identifier 1029 * @meshconf_congest: Congestion Control Mode Identifier 1030 * @meshconf_synch: Synchronization Method Identifier 1031 * @meshconf_auth: Authentication Protocol Identifier 1032 * @meshconf_form: Mesh Formation Info 1033 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags) 1034 * 1035 * This structure represents the payload of the "Mesh Configuration 1036 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97. 1037 */ 1038 struct ieee80211_meshconf_ie { 1039 u8 meshconf_psel; 1040 u8 meshconf_pmetric; 1041 u8 meshconf_congest; 1042 u8 meshconf_synch; 1043 u8 meshconf_auth; 1044 u8 meshconf_form; 1045 u8 meshconf_cap; 1046 } __packed; 1047 1048 /** 1049 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 1050 * 1051 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 1052 * additional mesh peerings with other mesh STAs 1053 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 1054 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 1055 * is ongoing 1056 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 1057 * neighbors in deep sleep mode 1058 * 1059 * Enumerates the "Mesh Capability" as described in IEEE Std 1060 * 802.11-2020 section 9.4.2.97.7. 1061 */ 1062 enum mesh_config_capab_flags { 1063 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 1064 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 1065 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 1066 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 1067 }; 1068 1069 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 1070 1071 /* 1072 * mesh channel switch parameters element's flag indicator 1073 * 1074 */ 1075 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 1076 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 1077 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 1078 1079 /** 1080 * struct ieee80211_rann_ie - RANN (root announcement) element 1081 * @rann_flags: Flags 1082 * @rann_hopcount: Hop Count 1083 * @rann_ttl: Element TTL 1084 * @rann_addr: Root Mesh STA Address 1085 * @rann_seq: HWMP Sequence Number 1086 * @rann_interval: Interval 1087 * @rann_metric: Metric 1088 * 1089 * This structure represents the payload of the "RANN element" as 1090 * described in IEEE Std 802.11-2020 section 9.4.2.111. 1091 */ 1092 struct ieee80211_rann_ie { 1093 u8 rann_flags; 1094 u8 rann_hopcount; 1095 u8 rann_ttl; 1096 u8 rann_addr[ETH_ALEN]; 1097 __le32 rann_seq; 1098 __le32 rann_interval; 1099 __le32 rann_metric; 1100 } __packed; 1101 1102 enum ieee80211_rann_flags { 1103 RANN_FLAG_IS_GATE = 1 << 0, 1104 }; 1105 1106 enum ieee80211_ht_chanwidth_values { 1107 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 1108 IEEE80211_HT_CHANWIDTH_ANY = 1, 1109 }; 1110 1111 /** 1112 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits 1113 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 1114 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 1115 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 1116 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 1117 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 1118 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag 1119 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 1120 * (the NSS value is the value of this field + 1) 1121 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 1122 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 1123 * using a beamforming steering matrix 1124 */ 1125 enum ieee80211_vht_opmode_bits { 1126 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03, 1127 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 1128 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 1129 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 1130 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 1131 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04, 1132 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 1133 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 1134 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 1135 }; 1136 1137 /** 1138 * enum ieee80211_s1g_chanwidth - S1G channel widths 1139 * These are defined in IEEE802.11-2016ah Table 10-20 1140 * as BSS Channel Width 1141 * 1142 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel 1143 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel 1144 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel 1145 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel 1146 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel 1147 */ 1148 enum ieee80211_s1g_chanwidth { 1149 IEEE80211_S1G_CHANWIDTH_1MHZ = 0, 1150 IEEE80211_S1G_CHANWIDTH_2MHZ = 1, 1151 IEEE80211_S1G_CHANWIDTH_4MHZ = 3, 1152 IEEE80211_S1G_CHANWIDTH_8MHZ = 7, 1153 IEEE80211_S1G_CHANWIDTH_16MHZ = 15, 1154 }; 1155 1156 #define WLAN_SA_QUERY_TR_ID_LEN 2 1157 #define WLAN_MEMBERSHIP_LEN 8 1158 #define WLAN_USER_POSITION_LEN 16 1159 1160 /** 1161 * struct ieee80211_tpc_report_ie - TPC Report element 1162 * @tx_power: Transmit Power 1163 * @link_margin: Link Margin 1164 * 1165 * This structure represents the payload of the "TPC Report element" as 1166 * described in IEEE Std 802.11-2020 section 9.4.2.16. 1167 */ 1168 struct ieee80211_tpc_report_ie { 1169 u8 tx_power; 1170 u8 link_margin; 1171 } __packed; 1172 1173 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) 1174 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 1175 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) 1176 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5) 1177 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10 1178 1179 struct ieee80211_addba_ext_ie { 1180 u8 data; 1181 } __packed; 1182 1183 /** 1184 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element 1185 * @compat_info: Compatibility Information 1186 * @beacon_int: Beacon Interval 1187 * @tsf_completion: TSF Completion 1188 * 1189 * This structure represents the payload of the "S1G Beacon 1190 * Compatibility element" as described in IEEE Std 802.11-2020 section 1191 * 9.4.2.196. 1192 */ 1193 struct ieee80211_s1g_bcn_compat_ie { 1194 __le16 compat_info; 1195 __le16 beacon_int; 1196 __le32 tsf_completion; 1197 } __packed; 1198 1199 /** 1200 * struct ieee80211_s1g_oper_ie - S1G Operation element 1201 * @ch_width: S1G Operation Information Channel Width 1202 * @oper_class: S1G Operation Information Operating Class 1203 * @primary_ch: S1G Operation Information Primary Channel Number 1204 * @oper_ch: S1G Operation Information Channel Center Frequency 1205 * @basic_mcs_nss: Basic S1G-MCS and NSS Set 1206 * 1207 * This structure represents the payload of the "S1G Operation 1208 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212. 1209 */ 1210 struct ieee80211_s1g_oper_ie { 1211 u8 ch_width; 1212 u8 oper_class; 1213 u8 primary_ch; 1214 u8 oper_ch; 1215 __le16 basic_mcs_nss; 1216 } __packed; 1217 1218 /** 1219 * struct ieee80211_aid_response_ie - AID Response element 1220 * @aid: AID/Group AID 1221 * @switch_count: AID Switch Count 1222 * @response_int: AID Response Interval 1223 * 1224 * This structure represents the payload of the "AID Response element" 1225 * as described in IEEE Std 802.11-2020 section 9.4.2.194. 1226 */ 1227 struct ieee80211_aid_response_ie { 1228 __le16 aid; 1229 u8 switch_count; 1230 __le16 response_int; 1231 } __packed; 1232 1233 struct ieee80211_s1g_cap { 1234 u8 capab_info[10]; 1235 u8 supp_mcs_nss[5]; 1236 } __packed; 1237 1238 struct ieee80211_ext { 1239 __le16 frame_control; 1240 __le16 duration; 1241 union { 1242 struct { 1243 u8 sa[ETH_ALEN]; 1244 __le32 timestamp; 1245 u8 change_seq; 1246 u8 variable[0]; 1247 } __packed s1g_beacon; 1248 struct { 1249 u8 sa[ETH_ALEN]; 1250 __le32 timestamp; 1251 u8 change_seq; 1252 u8 next_tbtt[3]; 1253 u8 variable[0]; 1254 } __packed s1g_short_beacon; 1255 } u; 1256 } __packed __aligned(2); 1257 1258 #define IEEE80211_TWT_CONTROL_NDP BIT(0) 1259 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1) 1260 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 1261 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 1262 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 1263 1264 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0) 1265 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1) 1266 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 1267 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 1268 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 1269 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7) 1270 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10) 1271 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 1272 1273 enum ieee80211_twt_setup_cmd { 1274 TWT_SETUP_CMD_REQUEST, 1275 TWT_SETUP_CMD_SUGGEST, 1276 TWT_SETUP_CMD_DEMAND, 1277 TWT_SETUP_CMD_GROUPING, 1278 TWT_SETUP_CMD_ACCEPT, 1279 TWT_SETUP_CMD_ALTERNATE, 1280 TWT_SETUP_CMD_DICTATE, 1281 TWT_SETUP_CMD_REJECT, 1282 }; 1283 1284 struct ieee80211_twt_params { 1285 __le16 req_type; 1286 __le64 twt; 1287 u8 min_twt_dur; 1288 __le16 mantissa; 1289 u8 channel; 1290 } __packed; 1291 1292 struct ieee80211_twt_setup { 1293 u8 dialog_token; 1294 u8 element_id; 1295 u8 length; 1296 u8 control; 1297 u8 params[]; 1298 } __packed; 1299 1300 #define IEEE80211_TTLM_MAX_CNT 2 1301 #define IEEE80211_TTLM_CONTROL_DIRECTION 0x03 1302 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04 1303 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08 1304 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10 1305 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20 1306 1307 #define IEEE80211_TTLM_DIRECTION_DOWN 0 1308 #define IEEE80211_TTLM_DIRECTION_UP 1 1309 #define IEEE80211_TTLM_DIRECTION_BOTH 2 1310 1311 /** 1312 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element 1313 * 1314 * Defined in section 9.4.2.314 in P802.11be_D4 1315 * 1316 * @control: the first part of control field 1317 * @optional: the second part of control field 1318 */ 1319 struct ieee80211_ttlm_elem { 1320 u8 control; 1321 u8 optional[]; 1322 } __packed; 1323 1324 /** 1325 * struct ieee80211_bss_load_elem - BSS Load elemen 1326 * 1327 * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1 1328 * 1329 * @sta_count: total number of STAs currently associated with the AP. 1330 * @channel_util: Percentage of time that the access point sensed the channel 1331 * was busy. This value is in range [0, 255], the highest value means 1332 * 100% busy. 1333 * @avail_admission_capa: remaining amount of medium time used for admission 1334 * control. 1335 */ 1336 struct ieee80211_bss_load_elem { 1337 __le16 sta_count; 1338 u8 channel_util; 1339 __le16 avail_admission_capa; 1340 } __packed; 1341 1342 struct ieee80211_mgmt { 1343 __le16 frame_control; 1344 __le16 duration; 1345 u8 da[ETH_ALEN]; 1346 u8 sa[ETH_ALEN]; 1347 u8 bssid[ETH_ALEN]; 1348 __le16 seq_ctrl; 1349 union { 1350 struct { 1351 __le16 auth_alg; 1352 __le16 auth_transaction; 1353 __le16 status_code; 1354 /* possibly followed by Challenge text */ 1355 u8 variable[]; 1356 } __packed auth; 1357 struct { 1358 __le16 reason_code; 1359 } __packed deauth; 1360 struct { 1361 __le16 capab_info; 1362 __le16 listen_interval; 1363 /* followed by SSID and Supported rates */ 1364 u8 variable[]; 1365 } __packed assoc_req; 1366 struct { 1367 __le16 capab_info; 1368 __le16 status_code; 1369 __le16 aid; 1370 /* followed by Supported rates */ 1371 u8 variable[]; 1372 } __packed assoc_resp, reassoc_resp; 1373 struct { 1374 __le16 capab_info; 1375 __le16 status_code; 1376 u8 variable[]; 1377 } __packed s1g_assoc_resp, s1g_reassoc_resp; 1378 struct { 1379 __le16 capab_info; 1380 __le16 listen_interval; 1381 u8 current_ap[ETH_ALEN]; 1382 /* followed by SSID and Supported rates */ 1383 u8 variable[]; 1384 } __packed reassoc_req; 1385 struct { 1386 __le16 reason_code; 1387 } __packed disassoc; 1388 struct { 1389 __le64 timestamp; 1390 __le16 beacon_int; 1391 __le16 capab_info; 1392 /* followed by some of SSID, Supported rates, 1393 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 1394 u8 variable[]; 1395 } __packed beacon; 1396 struct { 1397 /* only variable items: SSID, Supported rates */ 1398 DECLARE_FLEX_ARRAY(u8, variable); 1399 } __packed probe_req; 1400 struct { 1401 __le64 timestamp; 1402 __le16 beacon_int; 1403 __le16 capab_info; 1404 /* followed by some of SSID, Supported rates, 1405 * FH Params, DS Params, CF Params, IBSS Params */ 1406 u8 variable[]; 1407 } __packed probe_resp; 1408 struct { 1409 u8 category; 1410 union { 1411 struct { 1412 u8 action_code; 1413 u8 dialog_token; 1414 u8 status_code; 1415 u8 variable[]; 1416 } __packed wme_action; 1417 struct{ 1418 u8 action_code; 1419 u8 variable[]; 1420 } __packed chan_switch; 1421 struct{ 1422 u8 action_code; 1423 struct ieee80211_ext_chansw_ie data; 1424 u8 variable[]; 1425 } __packed ext_chan_switch; 1426 struct{ 1427 u8 action_code; 1428 u8 dialog_token; 1429 u8 element_id; 1430 u8 length; 1431 struct ieee80211_msrment_ie msr_elem; 1432 } __packed measurement; 1433 struct{ 1434 u8 action_code; 1435 u8 dialog_token; 1436 __le16 capab; 1437 __le16 timeout; 1438 __le16 start_seq_num; 1439 /* followed by BA Extension */ 1440 u8 variable[]; 1441 } __packed addba_req; 1442 struct{ 1443 u8 action_code; 1444 u8 dialog_token; 1445 __le16 status; 1446 __le16 capab; 1447 __le16 timeout; 1448 } __packed addba_resp; 1449 struct{ 1450 u8 action_code; 1451 __le16 params; 1452 __le16 reason_code; 1453 } __packed delba; 1454 struct { 1455 u8 action_code; 1456 u8 variable[]; 1457 } __packed self_prot; 1458 struct{ 1459 u8 action_code; 1460 u8 variable[]; 1461 } __packed mesh_action; 1462 struct { 1463 u8 action; 1464 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1465 } __packed sa_query; 1466 struct { 1467 u8 action; 1468 u8 smps_control; 1469 } __packed ht_smps; 1470 struct { 1471 u8 action_code; 1472 u8 chanwidth; 1473 } __packed ht_notify_cw; 1474 struct { 1475 u8 action_code; 1476 u8 dialog_token; 1477 __le16 capability; 1478 u8 variable[0]; 1479 } __packed tdls_discover_resp; 1480 struct { 1481 u8 action_code; 1482 u8 operating_mode; 1483 } __packed vht_opmode_notif; 1484 struct { 1485 u8 action_code; 1486 u8 membership[WLAN_MEMBERSHIP_LEN]; 1487 u8 position[WLAN_USER_POSITION_LEN]; 1488 } __packed vht_group_notif; 1489 struct { 1490 u8 action_code; 1491 u8 dialog_token; 1492 u8 tpc_elem_id; 1493 u8 tpc_elem_length; 1494 struct ieee80211_tpc_report_ie tpc; 1495 } __packed tpc_report; 1496 struct { 1497 u8 action_code; 1498 u8 dialog_token; 1499 u8 follow_up; 1500 u8 tod[6]; 1501 u8 toa[6]; 1502 __le16 tod_error; 1503 __le16 toa_error; 1504 u8 variable[]; 1505 } __packed ftm; 1506 struct { 1507 u8 action_code; 1508 u8 variable[]; 1509 } __packed s1g; 1510 struct { 1511 u8 action_code; 1512 u8 dialog_token; 1513 u8 follow_up; 1514 u32 tod; 1515 u32 toa; 1516 u8 max_tod_error; 1517 u8 max_toa_error; 1518 } __packed wnm_timing_msr; 1519 struct { 1520 u8 action_code; 1521 u8 dialog_token; 1522 u8 variable[]; 1523 } __packed ttlm_req; 1524 struct { 1525 u8 action_code; 1526 u8 dialog_token; 1527 u8 status_code; 1528 u8 variable[]; 1529 } __packed ttlm_res; 1530 struct { 1531 u8 action_code; 1532 } __packed ttlm_tear_down; 1533 } u; 1534 } __packed action; 1535 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */ 1536 } u; 1537 } __packed __aligned(2); 1538 1539 /* Supported rates membership selectors */ 1540 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1541 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1542 #define BSS_MEMBERSHIP_SELECTOR_GLK 125 1543 #define BSS_MEMBERSHIP_SELECTOR_EPS 124 1544 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123 1545 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122 1546 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121 1547 1548 /* mgmt header + 1 byte category code */ 1549 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1550 1551 1552 /* Management MIC information element (IEEE 802.11w) */ 1553 struct ieee80211_mmie { 1554 u8 element_id; 1555 u8 length; 1556 __le16 key_id; 1557 u8 sequence_number[6]; 1558 u8 mic[8]; 1559 } __packed; 1560 1561 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1562 struct ieee80211_mmie_16 { 1563 u8 element_id; 1564 u8 length; 1565 __le16 key_id; 1566 u8 sequence_number[6]; 1567 u8 mic[16]; 1568 } __packed; 1569 1570 struct ieee80211_vendor_ie { 1571 u8 element_id; 1572 u8 len; 1573 u8 oui[3]; 1574 u8 oui_type; 1575 } __packed; 1576 1577 struct ieee80211_wmm_ac_param { 1578 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1579 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1580 __le16 txop_limit; 1581 } __packed; 1582 1583 struct ieee80211_wmm_param_ie { 1584 u8 element_id; /* Element ID: 221 (0xdd); */ 1585 u8 len; /* Length: 24 */ 1586 /* required fields for WMM version 1 */ 1587 u8 oui[3]; /* 00:50:f2 */ 1588 u8 oui_type; /* 2 */ 1589 u8 oui_subtype; /* 1 */ 1590 u8 version; /* 1 for WMM version 1.0 */ 1591 u8 qos_info; /* AP/STA specific QoS info */ 1592 u8 reserved; /* 0 */ 1593 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1594 struct ieee80211_wmm_ac_param ac[4]; 1595 } __packed; 1596 1597 /* Control frames */ 1598 struct ieee80211_rts { 1599 __le16 frame_control; 1600 __le16 duration; 1601 u8 ra[ETH_ALEN]; 1602 u8 ta[ETH_ALEN]; 1603 } __packed __aligned(2); 1604 1605 struct ieee80211_cts { 1606 __le16 frame_control; 1607 __le16 duration; 1608 u8 ra[ETH_ALEN]; 1609 } __packed __aligned(2); 1610 1611 struct ieee80211_pspoll { 1612 __le16 frame_control; 1613 __le16 aid; 1614 u8 bssid[ETH_ALEN]; 1615 u8 ta[ETH_ALEN]; 1616 } __packed __aligned(2); 1617 1618 /* TDLS */ 1619 1620 /* Channel switch timing */ 1621 struct ieee80211_ch_switch_timing { 1622 __le16 switch_time; 1623 __le16 switch_timeout; 1624 } __packed; 1625 1626 /* Link-id information element */ 1627 struct ieee80211_tdls_lnkie { 1628 u8 ie_type; /* Link Identifier IE */ 1629 u8 ie_len; 1630 u8 bssid[ETH_ALEN]; 1631 u8 init_sta[ETH_ALEN]; 1632 u8 resp_sta[ETH_ALEN]; 1633 } __packed; 1634 1635 struct ieee80211_tdls_data { 1636 u8 da[ETH_ALEN]; 1637 u8 sa[ETH_ALEN]; 1638 __be16 ether_type; 1639 u8 payload_type; 1640 u8 category; 1641 u8 action_code; 1642 union { 1643 struct { 1644 u8 dialog_token; 1645 __le16 capability; 1646 u8 variable[0]; 1647 } __packed setup_req; 1648 struct { 1649 __le16 status_code; 1650 u8 dialog_token; 1651 __le16 capability; 1652 u8 variable[0]; 1653 } __packed setup_resp; 1654 struct { 1655 __le16 status_code; 1656 u8 dialog_token; 1657 u8 variable[0]; 1658 } __packed setup_cfm; 1659 struct { 1660 __le16 reason_code; 1661 u8 variable[0]; 1662 } __packed teardown; 1663 struct { 1664 u8 dialog_token; 1665 u8 variable[0]; 1666 } __packed discover_req; 1667 struct { 1668 u8 target_channel; 1669 u8 oper_class; 1670 u8 variable[0]; 1671 } __packed chan_switch_req; 1672 struct { 1673 __le16 status_code; 1674 u8 variable[0]; 1675 } __packed chan_switch_resp; 1676 } u; 1677 } __packed; 1678 1679 /* 1680 * Peer-to-Peer IE attribute related definitions. 1681 */ 1682 /* 1683 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1684 */ 1685 enum ieee80211_p2p_attr_id { 1686 IEEE80211_P2P_ATTR_STATUS = 0, 1687 IEEE80211_P2P_ATTR_MINOR_REASON, 1688 IEEE80211_P2P_ATTR_CAPABILITY, 1689 IEEE80211_P2P_ATTR_DEVICE_ID, 1690 IEEE80211_P2P_ATTR_GO_INTENT, 1691 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1692 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1693 IEEE80211_P2P_ATTR_GROUP_BSSID, 1694 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1695 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1696 IEEE80211_P2P_ATTR_MANAGABILITY, 1697 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1698 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1699 IEEE80211_P2P_ATTR_DEVICE_INFO, 1700 IEEE80211_P2P_ATTR_GROUP_INFO, 1701 IEEE80211_P2P_ATTR_GROUP_ID, 1702 IEEE80211_P2P_ATTR_INTERFACE, 1703 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1704 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1705 /* 19 - 220: Reserved */ 1706 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1707 1708 IEEE80211_P2P_ATTR_MAX 1709 }; 1710 1711 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1712 /* Typical max value used here */ 1713 #define IEEE80211_P2P_NOA_DESC_MAX 4 1714 1715 struct ieee80211_p2p_noa_desc { 1716 u8 count; 1717 __le32 duration; 1718 __le32 interval; 1719 __le32 start_time; 1720 } __packed; 1721 1722 struct ieee80211_p2p_noa_attr { 1723 u8 index; 1724 u8 oppps_ctwindow; 1725 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1726 } __packed; 1727 1728 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1729 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1730 1731 /** 1732 * struct ieee80211_bar - Block Ack Request frame format 1733 * @frame_control: Frame Control 1734 * @duration: Duration 1735 * @ra: RA 1736 * @ta: TA 1737 * @control: BAR Control 1738 * @start_seq_num: Starting Sequence Number (see Figure 9-37) 1739 * 1740 * This structure represents the "BlockAckReq frame format" 1741 * as described in IEEE Std 802.11-2020 section 9.3.1.7. 1742 */ 1743 struct ieee80211_bar { 1744 __le16 frame_control; 1745 __le16 duration; 1746 __u8 ra[ETH_ALEN]; 1747 __u8 ta[ETH_ALEN]; 1748 __le16 control; 1749 __le16 start_seq_num; 1750 } __packed; 1751 1752 /* 802.11 BAR control masks */ 1753 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1754 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1755 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1756 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1757 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1758 1759 #define IEEE80211_HT_MCS_MASK_LEN 10 1760 1761 /** 1762 * struct ieee80211_mcs_info - Supported MCS Set field 1763 * @rx_mask: RX mask 1764 * @rx_highest: highest supported RX rate. If set represents 1765 * the highest supported RX data rate in units of 1 Mbps. 1766 * If this field is 0 this value should not be used to 1767 * consider the highest RX data rate supported. 1768 * @tx_params: TX parameters 1769 * @reserved: Reserved bits 1770 * 1771 * This structure represents the "Supported MCS Set field" as 1772 * described in IEEE Std 802.11-2020 section 9.4.2.55.4. 1773 */ 1774 struct ieee80211_mcs_info { 1775 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1776 __le16 rx_highest; 1777 u8 tx_params; 1778 u8 reserved[3]; 1779 } __packed; 1780 1781 /* 802.11n HT capability MSC set */ 1782 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1783 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1784 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1785 /* value 0 == 1 stream etc */ 1786 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1787 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1788 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1789 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1790 1791 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3))) 1792 1793 /* 1794 * 802.11n D5.0 20.3.5 / 20.6 says: 1795 * - indices 0 to 7 and 32 are single spatial stream 1796 * - 8 to 31 are multiple spatial streams using equal modulation 1797 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1798 * - remainder are multiple spatial streams using unequal modulation 1799 */ 1800 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1801 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1802 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1803 1804 /** 1805 * struct ieee80211_ht_cap - HT capabilities element 1806 * @cap_info: HT Capability Information 1807 * @ampdu_params_info: A-MPDU Parameters 1808 * @mcs: Supported MCS Set 1809 * @extended_ht_cap_info: HT Extended Capabilities 1810 * @tx_BF_cap_info: Transmit Beamforming Capabilities 1811 * @antenna_selection_info: ASEL Capability 1812 * 1813 * This structure represents the payload of the "HT Capabilities 1814 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55. 1815 */ 1816 struct ieee80211_ht_cap { 1817 __le16 cap_info; 1818 u8 ampdu_params_info; 1819 1820 /* 16 bytes MCS information */ 1821 struct ieee80211_mcs_info mcs; 1822 1823 __le16 extended_ht_cap_info; 1824 __le32 tx_BF_cap_info; 1825 u8 antenna_selection_info; 1826 } __packed; 1827 1828 /* 802.11n HT capabilities masks (for cap_info) */ 1829 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1830 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1831 #define IEEE80211_HT_CAP_SM_PS 0x000C 1832 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1833 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1834 #define IEEE80211_HT_CAP_SGI_20 0x0020 1835 #define IEEE80211_HT_CAP_SGI_40 0x0040 1836 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1837 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1838 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1839 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1840 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1841 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1842 #define IEEE80211_HT_CAP_RESERVED 0x2000 1843 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1844 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1845 1846 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1847 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1848 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1849 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1850 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1851 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1852 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1853 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1854 1855 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1856 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1857 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1858 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1859 1860 /* 1861 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1862 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1863 */ 1864 enum ieee80211_max_ampdu_length_exp { 1865 IEEE80211_HT_MAX_AMPDU_8K = 0, 1866 IEEE80211_HT_MAX_AMPDU_16K = 1, 1867 IEEE80211_HT_MAX_AMPDU_32K = 2, 1868 IEEE80211_HT_MAX_AMPDU_64K = 3 1869 }; 1870 1871 /* 1872 * Maximum length of AMPDU that the STA can receive in VHT. 1873 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1874 */ 1875 enum ieee80211_vht_max_ampdu_length_exp { 1876 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1877 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1878 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1879 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1880 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1881 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1882 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1883 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1884 }; 1885 1886 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1887 1888 /* Minimum MPDU start spacing */ 1889 enum ieee80211_min_mpdu_spacing { 1890 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1891 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1892 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1893 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1894 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1895 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1896 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1897 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1898 }; 1899 1900 /** 1901 * struct ieee80211_ht_operation - HT operation IE 1902 * @primary_chan: Primary Channel 1903 * @ht_param: HT Operation Information parameters 1904 * @operation_mode: HT Operation Information operation mode 1905 * @stbc_param: HT Operation Information STBC params 1906 * @basic_set: Basic HT-MCS Set 1907 * 1908 * This structure represents the payload of the "HT Operation 1909 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56. 1910 */ 1911 struct ieee80211_ht_operation { 1912 u8 primary_chan; 1913 u8 ht_param; 1914 __le16 operation_mode; 1915 __le16 stbc_param; 1916 u8 basic_set[16]; 1917 } __packed; 1918 1919 /* for ht_param */ 1920 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1921 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1922 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1923 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1924 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1925 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1926 1927 /* for operation_mode */ 1928 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1929 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1930 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1931 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1932 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1933 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1934 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1935 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1936 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1937 1938 /* for stbc_param */ 1939 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1940 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1941 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1942 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1943 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1944 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1945 1946 1947 /* block-ack parameters */ 1948 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1949 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1950 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1951 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1952 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1953 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1954 1955 /* 1956 * A-MPDU buffer sizes 1957 * According to HT size varies from 8 to 64 frames 1958 * HE adds the ability to have up to 256 frames. 1959 * EHT adds the ability to have up to 1K frames. 1960 */ 1961 #define IEEE80211_MIN_AMPDU_BUF 0x8 1962 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1963 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100 1964 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400 1965 1966 1967 /* Spatial Multiplexing Power Save Modes (for capability) */ 1968 #define WLAN_HT_CAP_SM_PS_STATIC 0 1969 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1970 #define WLAN_HT_CAP_SM_PS_INVALID 2 1971 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1972 1973 /* for SM power control field lower two bits */ 1974 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1975 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1976 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1977 1978 /** 1979 * struct ieee80211_vht_mcs_info - VHT MCS information 1980 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1981 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1982 * STA can receive. Rate expressed in units of 1 Mbps. 1983 * If this field is 0 this value should not be used to 1984 * consider the highest RX data rate supported. 1985 * The top 3 bits of this field indicate the Maximum NSTS,total 1986 * (a beamformee capability.) 1987 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1988 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1989 * STA can transmit. Rate expressed in units of 1 Mbps. 1990 * If this field is 0 this value should not be used to 1991 * consider the highest TX data rate supported. 1992 * The top 2 bits of this field are reserved, the 1993 * 3rd bit from the top indiciates VHT Extended NSS BW 1994 * Capability. 1995 */ 1996 struct ieee80211_vht_mcs_info { 1997 __le16 rx_mcs_map; 1998 __le16 rx_highest; 1999 __le16 tx_mcs_map; 2000 __le16 tx_highest; 2001 } __packed; 2002 2003 /* for rx_highest */ 2004 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 2005 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 2006 2007 /* for tx_highest */ 2008 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 2009 2010 /** 2011 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 2012 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 2013 * number of streams 2014 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 2015 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 2016 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 2017 * 2018 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 2019 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 2020 * both split into 8 subfields by number of streams. These values indicate 2021 * which MCSes are supported for the number of streams the value appears 2022 * for. 2023 */ 2024 enum ieee80211_vht_mcs_support { 2025 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 2026 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 2027 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 2028 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 2029 }; 2030 2031 /** 2032 * struct ieee80211_vht_cap - VHT capabilities 2033 * 2034 * This structure is the "VHT capabilities element" as 2035 * described in 802.11ac D3.0 8.4.2.160 2036 * @vht_cap_info: VHT capability info 2037 * @supp_mcs: VHT MCS supported rates 2038 */ 2039 struct ieee80211_vht_cap { 2040 __le32 vht_cap_info; 2041 struct ieee80211_vht_mcs_info supp_mcs; 2042 } __packed; 2043 2044 /** 2045 * enum ieee80211_vht_chanwidth - VHT channel width 2046 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 2047 * determine the channel width (20 or 40 MHz) 2048 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 2049 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 2050 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 2051 */ 2052 enum ieee80211_vht_chanwidth { 2053 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 2054 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 2055 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 2056 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 2057 }; 2058 2059 /** 2060 * struct ieee80211_vht_operation - VHT operation IE 2061 * 2062 * This structure is the "VHT operation element" as 2063 * described in 802.11ac D3.0 8.4.2.161 2064 * @chan_width: Operating channel width 2065 * @center_freq_seg0_idx: center freq segment 0 index 2066 * @center_freq_seg1_idx: center freq segment 1 index 2067 * @basic_mcs_set: VHT Basic MCS rate set 2068 */ 2069 struct ieee80211_vht_operation { 2070 u8 chan_width; 2071 u8 center_freq_seg0_idx; 2072 u8 center_freq_seg1_idx; 2073 __le16 basic_mcs_set; 2074 } __packed; 2075 2076 /** 2077 * struct ieee80211_he_cap_elem - HE capabilities element 2078 * @mac_cap_info: HE MAC Capabilities Information 2079 * @phy_cap_info: HE PHY Capabilities Information 2080 * 2081 * This structure represents the fixed fields of the payload of the 2082 * "HE capabilities element" as described in IEEE Std 802.11ax-2021 2083 * sections 9.4.2.248.2 and 9.4.2.248.3. 2084 */ 2085 struct ieee80211_he_cap_elem { 2086 u8 mac_cap_info[6]; 2087 u8 phy_cap_info[11]; 2088 } __packed; 2089 2090 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 2091 2092 /** 2093 * enum ieee80211_he_mcs_support - HE MCS support definitions 2094 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 2095 * number of streams 2096 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 2097 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 2098 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 2099 * 2100 * These definitions are used in each 2-bit subfield of the rx_mcs_* 2101 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 2102 * both split into 8 subfields by number of streams. These values indicate 2103 * which MCSes are supported for the number of streams the value appears 2104 * for. 2105 */ 2106 enum ieee80211_he_mcs_support { 2107 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 2108 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 2109 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 2110 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 2111 }; 2112 2113 /** 2114 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 2115 * 2116 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 2117 * described in P802.11ax_D2.0 section 9.4.2.237.4 2118 * 2119 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 2120 * widths less than 80MHz. 2121 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 2122 * widths less than 80MHz. 2123 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 2124 * width 160MHz. 2125 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 2126 * width 160MHz. 2127 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 2128 * channel width 80p80MHz. 2129 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 2130 * channel width 80p80MHz. 2131 */ 2132 struct ieee80211_he_mcs_nss_supp { 2133 __le16 rx_mcs_80; 2134 __le16 tx_mcs_80; 2135 __le16 rx_mcs_160; 2136 __le16 tx_mcs_160; 2137 __le16 rx_mcs_80p80; 2138 __le16 tx_mcs_80p80; 2139 } __packed; 2140 2141 /** 2142 * struct ieee80211_he_operation - HE Operation element 2143 * @he_oper_params: HE Operation Parameters + BSS Color Information 2144 * @he_mcs_nss_set: Basic HE-MCS And NSS Set 2145 * @optional: Optional fields VHT Operation Information, Max Co-Hosted 2146 * BSSID Indicator, and 6 GHz Operation Information 2147 * 2148 * This structure represents the payload of the "HE Operation 2149 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249. 2150 */ 2151 struct ieee80211_he_operation { 2152 __le32 he_oper_params; 2153 __le16 he_mcs_nss_set; 2154 u8 optional[]; 2155 } __packed; 2156 2157 /** 2158 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element 2159 * @he_sr_control: SR Control 2160 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD 2161 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color 2162 * Bitmap, and SRG Partial BSSID Bitmap 2163 * 2164 * This structure represents the payload of the "Spatial Reuse 2165 * Parameter Set element" as described in IEEE Std 802.11ax-2021 2166 * section 9.4.2.252. 2167 */ 2168 struct ieee80211_he_spr { 2169 u8 he_sr_control; 2170 u8 optional[]; 2171 } __packed; 2172 2173 /** 2174 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 2175 * @aifsn: ACI/AIFSN 2176 * @ecw_min_max: ECWmin/ECWmax 2177 * @mu_edca_timer: MU EDCA Timer 2178 * 2179 * This structure represents the "MU AC Parameter Record" as described 2180 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p. 2181 */ 2182 struct ieee80211_he_mu_edca_param_ac_rec { 2183 u8 aifsn; 2184 u8 ecw_min_max; 2185 u8 mu_edca_timer; 2186 } __packed; 2187 2188 /** 2189 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 2190 * @mu_qos_info: QoS Info 2191 * @ac_be: MU AC_BE Parameter Record 2192 * @ac_bk: MU AC_BK Parameter Record 2193 * @ac_vi: MU AC_VI Parameter Record 2194 * @ac_vo: MU AC_VO Parameter Record 2195 * 2196 * This structure represents the payload of the "MU EDCA Parameter Set 2197 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251. 2198 */ 2199 struct ieee80211_mu_edca_param_set { 2200 u8 mu_qos_info; 2201 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 2202 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 2203 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 2204 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 2205 } __packed; 2206 2207 #define IEEE80211_EHT_MCS_NSS_RX 0x0f 2208 #define IEEE80211_EHT_MCS_NSS_TX 0xf0 2209 2210 /** 2211 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max 2212 * supported NSS for per MCS. 2213 * 2214 * For each field below, bits 0 - 3 indicate the maximal number of spatial 2215 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams 2216 * for Tx. 2217 * 2218 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams 2219 * supported for reception and the maximum number of spatial streams 2220 * supported for transmission for MCS 0 - 7. 2221 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams 2222 * supported for reception and the maximum number of spatial streams 2223 * supported for transmission for MCS 8 - 9. 2224 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams 2225 * supported for reception and the maximum number of spatial streams 2226 * supported for transmission for MCS 10 - 11. 2227 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams 2228 * supported for reception and the maximum number of spatial streams 2229 * supported for transmission for MCS 12 - 13. 2230 * @rx_tx_max_nss: array of the previous fields for easier loop access 2231 */ 2232 struct ieee80211_eht_mcs_nss_supp_20mhz_only { 2233 union { 2234 struct { 2235 u8 rx_tx_mcs7_max_nss; 2236 u8 rx_tx_mcs9_max_nss; 2237 u8 rx_tx_mcs11_max_nss; 2238 u8 rx_tx_mcs13_max_nss; 2239 }; 2240 u8 rx_tx_max_nss[4]; 2241 }; 2242 }; 2243 2244 /** 2245 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except 2246 * 20MHz only stations). 2247 * 2248 * For each field below, bits 0 - 3 indicate the maximal number of spatial 2249 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams 2250 * for Tx. 2251 * 2252 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams 2253 * supported for reception and the maximum number of spatial streams 2254 * supported for transmission for MCS 0 - 9. 2255 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams 2256 * supported for reception and the maximum number of spatial streams 2257 * supported for transmission for MCS 10 - 11. 2258 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams 2259 * supported for reception and the maximum number of spatial streams 2260 * supported for transmission for MCS 12 - 13. 2261 * @rx_tx_max_nss: array of the previous fields for easier loop access 2262 */ 2263 struct ieee80211_eht_mcs_nss_supp_bw { 2264 union { 2265 struct { 2266 u8 rx_tx_mcs9_max_nss; 2267 u8 rx_tx_mcs11_max_nss; 2268 u8 rx_tx_mcs13_max_nss; 2269 }; 2270 u8 rx_tx_max_nss[3]; 2271 }; 2272 }; 2273 2274 /** 2275 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data 2276 * 2277 * This structure is the "EHT Capabilities element" fixed fields as 2278 * described in P802.11be_D2.0 section 9.4.2.313. 2279 * 2280 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP* 2281 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP* 2282 */ 2283 struct ieee80211_eht_cap_elem_fixed { 2284 u8 mac_cap_info[2]; 2285 u8 phy_cap_info[9]; 2286 } __packed; 2287 2288 /** 2289 * struct ieee80211_eht_cap_elem - EHT capabilities element 2290 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed 2291 * @optional: optional parts 2292 */ 2293 struct ieee80211_eht_cap_elem { 2294 struct ieee80211_eht_cap_elem_fixed fixed; 2295 2296 /* 2297 * Followed by: 2298 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets. 2299 * EHT PPE Thresholds field: variable length. 2300 */ 2301 u8 optional[]; 2302 } __packed; 2303 2304 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01 2305 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02 2306 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04 2307 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08 2308 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30 2309 2310 /** 2311 * struct ieee80211_eht_operation - eht operation element 2312 * 2313 * This structure is the "EHT Operation Element" fields as 2314 * described in P802.11be_D2.0 section 9.4.2.311 2315 * 2316 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_* 2317 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in 2318 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and 2319 * receive. 2320 * @optional: optional parts 2321 */ 2322 struct ieee80211_eht_operation { 2323 u8 params; 2324 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss; 2325 u8 optional[]; 2326 } __packed; 2327 2328 /** 2329 * struct ieee80211_eht_operation_info - eht operation information 2330 * 2331 * @control: EHT operation information control. 2332 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz 2333 * EHT BSS. 2334 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS. 2335 * @optional: optional parts 2336 */ 2337 struct ieee80211_eht_operation_info { 2338 u8 control; 2339 u8 ccfs0; 2340 u8 ccfs1; 2341 u8 optional[]; 2342 } __packed; 2343 2344 /* 802.11ac VHT Capabilities */ 2345 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 2346 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 2347 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 2348 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 2349 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 2350 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 2351 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 2352 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 2353 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 2354 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 2355 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 2356 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 2357 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 2358 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 2359 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 2360 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 2361 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 2362 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 2363 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 2364 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 2365 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 2366 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 2367 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 2368 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 2369 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 2370 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 2371 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 2372 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 2373 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 2374 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 2375 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 2376 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 2377 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 2378 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 2379 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 2380 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 2381 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 2382 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 2383 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 2384 2385 /** 2386 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 2387 * @cap: VHT capabilities of the peer 2388 * @bw: bandwidth to use 2389 * @mcs: MCS index to use 2390 * @ext_nss_bw_capable: indicates whether or not the local transmitter 2391 * (rate scaling algorithm) can deal with the new logic 2392 * (dot11VHTExtendedNSSBWCapable) 2393 * @max_vht_nss: current maximum NSS as advertised by the STA in 2394 * operating mode notification, can be 0 in which case the 2395 * capability data will be used to derive this (from MCS support) 2396 * Return: The maximum NSS that can be used for the given bandwidth/MCS 2397 * combination 2398 * 2399 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 2400 * vary for a given BW/MCS. This function parses the data. 2401 * 2402 * Note: This function is exported by cfg80211. 2403 */ 2404 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 2405 enum ieee80211_vht_chanwidth bw, 2406 int mcs, bool ext_nss_bw_capable, 2407 unsigned int max_vht_nss); 2408 2409 /** 2410 * enum ieee80211_ap_reg_power - regulatory power for a Access Point 2411 * 2412 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode 2413 * @IEEE80211_REG_LPI_AP: Indoor Access Point 2414 * @IEEE80211_REG_SP_AP: Standard power Access Point 2415 * @IEEE80211_REG_VLP_AP: Very low power Access Point 2416 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal 2417 * @IEEE80211_REG_AP_POWER_MAX: maximum value 2418 */ 2419 enum ieee80211_ap_reg_power { 2420 IEEE80211_REG_UNSET_AP, 2421 IEEE80211_REG_LPI_AP, 2422 IEEE80211_REG_SP_AP, 2423 IEEE80211_REG_VLP_AP, 2424 IEEE80211_REG_AP_POWER_AFTER_LAST, 2425 IEEE80211_REG_AP_POWER_MAX = 2426 IEEE80211_REG_AP_POWER_AFTER_LAST - 1, 2427 }; 2428 2429 /** 2430 * enum ieee80211_client_reg_power - regulatory power for a client 2431 * 2432 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode 2433 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client 2434 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client 2435 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal 2436 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value 2437 */ 2438 enum ieee80211_client_reg_power { 2439 IEEE80211_REG_UNSET_CLIENT, 2440 IEEE80211_REG_DEFAULT_CLIENT, 2441 IEEE80211_REG_SUBORDINATE_CLIENT, 2442 IEEE80211_REG_CLIENT_POWER_AFTER_LAST, 2443 IEEE80211_REG_CLIENT_POWER_MAX = 2444 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1, 2445 }; 2446 2447 /* 802.11ax HE MAC capabilities */ 2448 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 2449 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 2450 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 2451 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 2452 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 2453 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 2454 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 2455 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 2456 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 2457 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 2458 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 2459 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 2460 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 2461 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 2462 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 2463 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 2464 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 2465 2466 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 2467 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 2468 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 2469 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 2470 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 2471 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 2472 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 2473 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 2474 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 2475 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 2476 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 2477 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 2478 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 2479 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 2480 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 2481 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 2482 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 2483 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 2484 2485 /* Link adaptation is split between byte HE_MAC_CAP1 and 2486 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 2487 * in which case the following values apply: 2488 * 0 = No feedback. 2489 * 1 = reserved. 2490 * 2 = Unsolicited feedback. 2491 * 3 = both 2492 */ 2493 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 2494 2495 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 2496 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 2497 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 2498 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 2499 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 2500 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 2501 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 2502 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 2503 2504 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 2505 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 2506 2507 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 2508 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 2509 * same field in the HE capabilities. 2510 */ 2511 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00 2512 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08 2513 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10 2514 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18 2515 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 2516 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 2517 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 2518 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 2519 2520 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 2521 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 2522 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 2523 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08 2524 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 2525 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 2526 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40 2527 /* Multi TID agg TX is split between byte #4 and #5 2528 * The value is a combination of B39,B40,B41 2529 */ 2530 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 2531 2532 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 2533 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 2534 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04 2535 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 2536 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 2537 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 2538 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 2539 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 2540 2541 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 2542 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 2543 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 2544 2545 /* 802.11ax HE PHY capabilities */ 2546 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 2547 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 2548 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 2549 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 2550 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e 2551 2552 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 2553 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 2554 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 2555 2556 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 2557 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 2558 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 2559 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 2560 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 2561 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 2562 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 2563 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 2564 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 2565 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 2566 2567 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 2568 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 2569 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 2570 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 2571 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 2572 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 2573 2574 /* Note that the meaning of UL MU below is different between an AP and a non-AP 2575 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 2576 * case it indicates support for Tx. 2577 */ 2578 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 2579 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 2580 2581 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 2582 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 2583 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 2584 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 2585 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 2586 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 2587 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 2588 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 2589 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 2590 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 2591 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 2592 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 2593 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 2594 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 2595 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40 2596 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 2597 2598 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 2599 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 2600 2601 /* Minimal allowed value of Max STS under 80MHz is 3 */ 2602 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 2603 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 2604 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 2605 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 2606 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 2607 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 2608 2609 /* Minimal allowed value of Max STS above 80MHz is 3 */ 2610 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 2611 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 2612 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 2613 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 2614 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 2615 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 2616 2617 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 2618 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 2619 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 2620 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 2621 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 2622 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 2623 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 2624 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 2625 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 2626 2627 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 2628 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 2629 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 2630 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 2631 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 2632 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 2633 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 2634 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 2635 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 2636 2637 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 2638 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 2639 2640 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 2641 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 2642 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04 2643 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08 2644 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 2645 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 2646 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 2647 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 2648 2649 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01 2650 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02 2651 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 2652 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 2653 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 2654 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 2655 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 2656 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 2657 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 2658 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 2659 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 2660 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 2661 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 2662 2663 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 2664 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 2665 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 2666 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 2667 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 2668 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 2669 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 2670 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 2671 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 2672 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 2673 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 2674 2675 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 2676 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 2677 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 2678 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 2679 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 2680 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 2681 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0 2682 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1 2683 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2 2684 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3 2685 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6 2686 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0 2687 2688 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01 2689 2690 /* 802.11ax HE TX/RX MCS NSS Support */ 2691 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 2692 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 2693 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 2694 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 2695 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 2696 2697 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 2698 enum ieee80211_he_highest_mcs_supported_subfield_enc { 2699 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 2700 HIGHEST_MCS_SUPPORTED_MCS8, 2701 HIGHEST_MCS_SUPPORTED_MCS9, 2702 HIGHEST_MCS_SUPPORTED_MCS10, 2703 HIGHEST_MCS_SUPPORTED_MCS11, 2704 }; 2705 2706 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 2707 static inline u8 2708 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 2709 { 2710 u8 count = 4; 2711 2712 if (he_cap->phy_cap_info[0] & 2713 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2714 count += 4; 2715 2716 if (he_cap->phy_cap_info[0] & 2717 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2718 count += 4; 2719 2720 return count; 2721 } 2722 2723 /* 802.11ax HE PPE Thresholds */ 2724 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 2725 #define IEEE80211_PPE_THRES_NSS_POS (0) 2726 #define IEEE80211_PPE_THRES_NSS_MASK (7) 2727 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 2728 (BIT(5) | BIT(6)) 2729 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 2730 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 2731 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 2732 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7) 2733 2734 /* 2735 * Calculate 802.11ax HE capabilities IE PPE field size 2736 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 2737 */ 2738 static inline u8 2739 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 2740 { 2741 u8 n; 2742 2743 if ((phy_cap_info[6] & 2744 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 2745 return 0; 2746 2747 n = hweight8(ppe_thres_hdr & 2748 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2749 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2750 IEEE80211_PPE_THRES_NSS_POS)); 2751 2752 /* 2753 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2754 * total size. 2755 */ 2756 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2757 n = DIV_ROUND_UP(n, 8); 2758 2759 return n; 2760 } 2761 2762 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len) 2763 { 2764 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data; 2765 u8 needed = sizeof(*he_cap_ie_elem); 2766 2767 if (len < needed) 2768 return false; 2769 2770 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem); 2771 if (len < needed) 2772 return false; 2773 2774 if (he_cap_ie_elem->phy_cap_info[6] & 2775 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) { 2776 if (len < needed + 1) 2777 return false; 2778 needed += ieee80211_he_ppe_size(data[needed], 2779 he_cap_ie_elem->phy_cap_info); 2780 } 2781 2782 return len >= needed; 2783 } 2784 2785 /* HE Operation defines */ 2786 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007 2787 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2788 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2789 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2790 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2791 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 2792 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2793 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 2794 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2795 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2796 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2797 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2798 2799 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0 2800 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1 2801 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2 2802 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP 3 2803 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP 4 2804 2805 /** 2806 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field 2807 * @primary: primary channel 2808 * @control: control flags 2809 * @ccfs0: channel center frequency segment 0 2810 * @ccfs1: channel center frequency segment 1 2811 * @minrate: minimum rate (in 1 Mbps units) 2812 */ 2813 struct ieee80211_he_6ghz_oper { 2814 u8 primary; 2815 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3 2816 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0 2817 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1 2818 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2 2819 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3 2820 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4 2821 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38 2822 u8 control; 2823 u8 ccfs0; 2824 u8 ccfs1; 2825 u8 minrate; 2826 } __packed; 2827 2828 /* transmit power interpretation type of transmit power envelope element */ 2829 enum ieee80211_tx_power_intrpt_type { 2830 IEEE80211_TPE_LOCAL_EIRP, 2831 IEEE80211_TPE_LOCAL_EIRP_PSD, 2832 IEEE80211_TPE_REG_CLIENT_EIRP, 2833 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 2834 }; 2835 2836 /* category type of transmit power envelope element */ 2837 enum ieee80211_tx_power_category_6ghz { 2838 IEEE80211_TPE_CAT_6GHZ_DEFAULT = 0, 2839 IEEE80211_TPE_CAT_6GHZ_SUBORDINATE = 1, 2840 }; 2841 2842 /* 2843 * For IEEE80211_TPE_LOCAL_EIRP / IEEE80211_TPE_REG_CLIENT_EIRP, 2844 * setting to 63.5 dBm means no constraint. 2845 */ 2846 #define IEEE80211_TPE_MAX_TX_PWR_NO_CONSTRAINT 127 2847 2848 /* 2849 * For IEEE80211_TPE_LOCAL_EIRP_PSD / IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 2850 * setting to 127 indicates no PSD limit for the 20 MHz channel. 2851 */ 2852 #define IEEE80211_TPE_PSD_NO_LIMIT 127 2853 2854 /** 2855 * struct ieee80211_tx_pwr_env - Transmit Power Envelope 2856 * @info: Transmit Power Information field 2857 * @variable: Maximum Transmit Power field 2858 * 2859 * This structure represents the payload of the "Transmit Power 2860 * Envelope element" as described in IEEE Std 802.11ax-2021 section 2861 * 9.4.2.161 2862 */ 2863 struct ieee80211_tx_pwr_env { 2864 u8 info; 2865 u8 variable[]; 2866 } __packed; 2867 2868 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7 2869 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 2870 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0 2871 2872 #define IEEE80211_TX_PWR_ENV_EXT_COUNT 0xF 2873 2874 static inline bool ieee80211_valid_tpe_element(const u8 *data, u8 len) 2875 { 2876 const struct ieee80211_tx_pwr_env *env = (const void *)data; 2877 u8 count, interpret, category; 2878 u8 needed = sizeof(*env); 2879 u8 N; /* also called N in the spec */ 2880 2881 if (len < needed) 2882 return false; 2883 2884 count = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_COUNT); 2885 interpret = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_INTERPRET); 2886 category = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_CATEGORY); 2887 2888 switch (category) { 2889 case IEEE80211_TPE_CAT_6GHZ_DEFAULT: 2890 case IEEE80211_TPE_CAT_6GHZ_SUBORDINATE: 2891 break; 2892 default: 2893 return false; 2894 } 2895 2896 switch (interpret) { 2897 case IEEE80211_TPE_LOCAL_EIRP: 2898 case IEEE80211_TPE_REG_CLIENT_EIRP: 2899 if (count > 3) 2900 return false; 2901 2902 /* count == 0 encodes 1 value for 20 MHz, etc. */ 2903 needed += count + 1; 2904 2905 if (len < needed) 2906 return false; 2907 2908 /* there can be extension fields not accounted for in 'count' */ 2909 2910 return true; 2911 case IEEE80211_TPE_LOCAL_EIRP_PSD: 2912 case IEEE80211_TPE_REG_CLIENT_EIRP_PSD: 2913 if (count > 4) 2914 return false; 2915 2916 N = count ? 1 << (count - 1) : 1; 2917 needed += N; 2918 2919 if (len < needed) 2920 return false; 2921 2922 if (len > needed) { 2923 u8 K = u8_get_bits(env->variable[N], 2924 IEEE80211_TX_PWR_ENV_EXT_COUNT); 2925 2926 needed += 1 + K; 2927 if (len < needed) 2928 return false; 2929 } 2930 2931 return true; 2932 } 2933 2934 return false; 2935 } 2936 2937 /* 2938 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2939 * @he_oper_ie: byte data of the He Operations IE, stating from the byte 2940 * after the ext ID byte. It is assumed that he_oper_ie has at least 2941 * sizeof(struct ieee80211_he_operation) bytes, the caller must have 2942 * validated this. 2943 * @return the actual size of the IE data (not including header), or 0 on error 2944 */ 2945 static inline u8 2946 ieee80211_he_oper_size(const u8 *he_oper_ie) 2947 { 2948 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie; 2949 u8 oper_len = sizeof(struct ieee80211_he_operation); 2950 u32 he_oper_params; 2951 2952 /* Make sure the input is not NULL */ 2953 if (!he_oper_ie) 2954 return 0; 2955 2956 /* Calc required length */ 2957 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2958 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2959 oper_len += 3; 2960 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2961 oper_len++; 2962 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) 2963 oper_len += sizeof(struct ieee80211_he_6ghz_oper); 2964 2965 /* Add the first byte (extension ID) to the total length */ 2966 oper_len++; 2967 2968 return oper_len; 2969 } 2970 2971 /** 2972 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field 2973 * @he_oper: HE operation element (must be pre-validated for size) 2974 * but may be %NULL 2975 * 2976 * Return: a pointer to the 6 GHz operation field, or %NULL 2977 */ 2978 static inline const struct ieee80211_he_6ghz_oper * 2979 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper) 2980 { 2981 const u8 *ret; 2982 u32 he_oper_params; 2983 2984 if (!he_oper) 2985 return NULL; 2986 2987 ret = (const void *)&he_oper->optional; 2988 2989 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2990 2991 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)) 2992 return NULL; 2993 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2994 ret += 3; 2995 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2996 ret++; 2997 2998 return (const void *)ret; 2999 } 3000 3001 /* HE Spatial Reuse defines */ 3002 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0) 3003 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1) 3004 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2) 3005 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3) 3006 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4) 3007 3008 /* 3009 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size 3010 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte 3011 * after the ext ID byte. It is assumed that he_spr_ie has at least 3012 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated 3013 * this 3014 * @return the actual size of the IE data (not including header), or 0 on error 3015 */ 3016 static inline u8 3017 ieee80211_he_spr_size(const u8 *he_spr_ie) 3018 { 3019 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie; 3020 u8 spr_len = sizeof(struct ieee80211_he_spr); 3021 u8 he_spr_params; 3022 3023 /* Make sure the input is not NULL */ 3024 if (!he_spr_ie) 3025 return 0; 3026 3027 /* Calc required length */ 3028 he_spr_params = he_spr->he_sr_control; 3029 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 3030 spr_len++; 3031 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) 3032 spr_len += 18; 3033 3034 /* Add the first byte (extension ID) to the total length */ 3035 spr_len++; 3036 3037 return spr_len; 3038 } 3039 3040 /* S1G Capabilities Information field */ 3041 #define IEEE80211_S1G_CAPABILITY_LEN 15 3042 3043 #define S1G_CAP0_S1G_LONG BIT(0) 3044 #define S1G_CAP0_SGI_1MHZ BIT(1) 3045 #define S1G_CAP0_SGI_2MHZ BIT(2) 3046 #define S1G_CAP0_SGI_4MHZ BIT(3) 3047 #define S1G_CAP0_SGI_8MHZ BIT(4) 3048 #define S1G_CAP0_SGI_16MHZ BIT(5) 3049 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6) 3050 3051 #define S1G_SUPP_CH_WIDTH_2 0 3052 #define S1G_SUPP_CH_WIDTH_4 1 3053 #define S1G_SUPP_CH_WIDTH_8 2 3054 #define S1G_SUPP_CH_WIDTH_16 3 3055 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \ 3056 cap[0])) << 1) 3057 3058 #define S1G_CAP1_RX_LDPC BIT(0) 3059 #define S1G_CAP1_TX_STBC BIT(1) 3060 #define S1G_CAP1_RX_STBC BIT(2) 3061 #define S1G_CAP1_SU_BFER BIT(3) 3062 #define S1G_CAP1_SU_BFEE BIT(4) 3063 #define S1G_CAP1_BFEE_STS GENMASK(7, 5) 3064 3065 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0) 3066 #define S1G_CAP2_MU_BFER BIT(3) 3067 #define S1G_CAP2_MU_BFEE BIT(4) 3068 #define S1G_CAP2_PLUS_HTC_VHT BIT(5) 3069 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6) 3070 3071 #define S1G_CAP3_RD_RESPONDER BIT(0) 3072 #define S1G_CAP3_HT_DELAYED_BA BIT(1) 3073 #define S1G_CAP3_MAX_MPDU_LEN BIT(2) 3074 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3) 3075 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5) 3076 3077 #define S1G_CAP4_UPLINK_SYNC BIT(0) 3078 #define S1G_CAP4_DYNAMIC_AID BIT(1) 3079 #define S1G_CAP4_BAT BIT(2) 3080 #define S1G_CAP4_TIME_ADE BIT(3) 3081 #define S1G_CAP4_NON_TIM BIT(4) 3082 #define S1G_CAP4_GROUP_AID BIT(5) 3083 #define S1G_CAP4_STA_TYPE GENMASK(7, 6) 3084 3085 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0) 3086 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1) 3087 #define S1G_CAP5_AMSDU BIT(2) 3088 #define S1G_CAP5_AMPDU BIT(3) 3089 #define S1G_CAP5_ASYMMETRIC_BA BIT(4) 3090 #define S1G_CAP5_FLOW_CONTROL BIT(5) 3091 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6) 3092 3093 #define S1G_CAP6_OBSS_MITIGATION BIT(0) 3094 #define S1G_CAP6_FRAGMENT_BA BIT(1) 3095 #define S1G_CAP6_NDP_PS_POLL BIT(2) 3096 #define S1G_CAP6_RAW_OPERATION BIT(3) 3097 #define S1G_CAP6_PAGE_SLICING BIT(4) 3098 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5) 3099 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6) 3100 3101 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0) 3102 #define S1G_CAP7_DUP_1MHZ BIT(1) 3103 #define S1G_CAP7_MCS_NEGOTIATION BIT(2) 3104 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3) 3105 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4) 3106 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5) 3107 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6) 3108 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7) 3109 3110 #define S1G_CAP8_TWT_GROUPING BIT(0) 3111 #define S1G_CAP8_BDT BIT(1) 3112 #define S1G_CAP8_COLOR GENMASK(4, 2) 3113 #define S1G_CAP8_TWT_REQUEST BIT(5) 3114 #define S1G_CAP8_TWT_RESPOND BIT(6) 3115 #define S1G_CAP8_PV1_FRAME BIT(7) 3116 3117 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0) 3118 3119 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0) 3120 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1) 3121 3122 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */ 3123 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01 3124 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02 3125 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04 3126 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08 3127 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10 3128 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20 3129 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0 3130 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0 3131 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1 3132 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2 3133 3134 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01 3135 3136 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */ 3137 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02 3138 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04 3139 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08 3140 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10 3141 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20 3142 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40 3143 3144 /* EHT beamformee number of spatial streams <= 80MHz is split */ 3145 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80 3146 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03 3147 3148 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c 3149 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0 3150 3151 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07 3152 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38 3153 3154 /* EHT number of sounding dimensions for 320MHz is split */ 3155 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0 3156 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01 3157 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02 3158 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04 3159 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08 3160 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10 3161 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20 3162 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40 3163 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80 3164 3165 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01 3166 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02 3167 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04 3168 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08 3169 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0 3170 3171 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01 3172 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02 3173 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04 3174 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08 3175 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30 3176 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0 3177 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1 3178 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2 3179 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3 3180 3181 /* Maximum number of supported EHT LTF is split */ 3182 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0 3183 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40 3184 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07 3185 3186 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08 3187 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30 3188 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40 3189 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78 3190 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80 3191 3192 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01 3193 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02 3194 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04 3195 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08 3196 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10 3197 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20 3198 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40 3199 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80 3200 3201 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01 3202 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02 3203 3204 /* 3205 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311 3206 */ 3207 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7 3208 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0 3209 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1 3210 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2 3211 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3 3212 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4 3213 3214 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */ 3215 static inline u8 3216 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap, 3217 const struct ieee80211_eht_cap_elem_fixed *eht_cap, 3218 bool from_ap) 3219 { 3220 u8 count = 0; 3221 3222 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */ 3223 if (he_cap->phy_cap_info[0] & 3224 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G) 3225 return 3; 3226 3227 /* on 2.4 GHz, these three bits are reserved, so should be 0 */ 3228 if (he_cap->phy_cap_info[0] & 3229 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G) 3230 count += 3; 3231 3232 if (he_cap->phy_cap_info[0] & 3233 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 3234 count += 3; 3235 3236 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) 3237 count += 3; 3238 3239 if (count) 3240 return count; 3241 3242 return from_ap ? 3 : 4; 3243 } 3244 3245 /* 802.11be EHT PPE Thresholds */ 3246 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0 3247 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf 3248 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0 3249 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3 3250 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9 3251 3252 /* 3253 * Calculate 802.11be EHT capabilities IE EHT field size 3254 */ 3255 static inline u8 3256 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info) 3257 { 3258 u32 n; 3259 3260 if (!(phy_cap_info[5] & 3261 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT)) 3262 return 0; 3263 3264 n = hweight16(ppe_thres_hdr & 3265 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK); 3266 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK); 3267 3268 /* 3269 * Each pair is 6 bits, and we need to add the 9 "header" bits to the 3270 * total size. 3271 */ 3272 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 + 3273 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE; 3274 return DIV_ROUND_UP(n, 8); 3275 } 3276 3277 static inline bool 3278 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len, 3279 bool from_ap) 3280 { 3281 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data; 3282 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed); 3283 3284 if (len < needed || !he_capa) 3285 return false; 3286 3287 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa, 3288 (const void *)data, 3289 from_ap); 3290 if (len < needed) 3291 return false; 3292 3293 if (elem->phy_cap_info[5] & 3294 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) { 3295 u16 ppe_thres_hdr; 3296 3297 if (len < needed + sizeof(ppe_thres_hdr)) 3298 return false; 3299 3300 ppe_thres_hdr = get_unaligned_le16(data + needed); 3301 needed += ieee80211_eht_ppe_size(ppe_thres_hdr, 3302 elem->phy_cap_info); 3303 } 3304 3305 return len >= needed; 3306 } 3307 3308 static inline bool 3309 ieee80211_eht_oper_size_ok(const u8 *data, u8 len) 3310 { 3311 const struct ieee80211_eht_operation *elem = (const void *)data; 3312 u8 needed = sizeof(*elem); 3313 3314 if (len < needed) 3315 return false; 3316 3317 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) { 3318 needed += 3; 3319 3320 if (elem->params & 3321 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT) 3322 needed += 2; 3323 } 3324 3325 return len >= needed; 3326 } 3327 3328 /* must validate ieee80211_eht_oper_size_ok() first */ 3329 static inline u16 3330 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper) 3331 { 3332 const struct ieee80211_eht_operation_info *info = 3333 (const void *)eht_oper->optional; 3334 3335 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT)) 3336 return 0; 3337 3338 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)) 3339 return 0; 3340 3341 return get_unaligned_le16(info->optional); 3342 } 3343 3344 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1) 3345 3346 struct ieee80211_bandwidth_indication { 3347 u8 params; 3348 struct ieee80211_eht_operation_info info; 3349 } __packed; 3350 3351 static inline bool 3352 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len) 3353 { 3354 const struct ieee80211_bandwidth_indication *bwi = (const void *)data; 3355 3356 if (len < sizeof(*bwi)) 3357 return false; 3358 3359 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT && 3360 len < sizeof(*bwi) + 2) 3361 return false; 3362 3363 return true; 3364 } 3365 3366 #define LISTEN_INT_USF GENMASK(15, 14) 3367 #define LISTEN_INT_UI GENMASK(13, 0) 3368 3369 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF) 3370 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI) 3371 3372 /* Authentication algorithms */ 3373 #define WLAN_AUTH_OPEN 0 3374 #define WLAN_AUTH_SHARED_KEY 1 3375 #define WLAN_AUTH_FT 2 3376 #define WLAN_AUTH_SAE 3 3377 #define WLAN_AUTH_FILS_SK 4 3378 #define WLAN_AUTH_FILS_SK_PFS 5 3379 #define WLAN_AUTH_FILS_PK 6 3380 #define WLAN_AUTH_LEAP 128 3381 3382 #define WLAN_AUTH_CHALLENGE_LEN 128 3383 3384 #define WLAN_CAPABILITY_ESS (1<<0) 3385 #define WLAN_CAPABILITY_IBSS (1<<1) 3386 3387 /* 3388 * A mesh STA sets the ESS and IBSS capability bits to zero. 3389 * however, this holds true for p2p probe responses (in the p2p_find 3390 * phase) as well. 3391 */ 3392 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 3393 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 3394 3395 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 3396 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 3397 #define WLAN_CAPABILITY_PRIVACY (1<<4) 3398 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 3399 #define WLAN_CAPABILITY_PBCC (1<<6) 3400 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 3401 3402 /* 802.11h */ 3403 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 3404 #define WLAN_CAPABILITY_QOS (1<<9) 3405 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 3406 #define WLAN_CAPABILITY_APSD (1<<11) 3407 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 3408 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 3409 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 3410 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 3411 3412 /* DMG (60gHz) 802.11ad */ 3413 /* type - bits 0..1 */ 3414 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 3415 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 3416 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 3417 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 3418 3419 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 3420 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 3421 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 3422 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 3423 3424 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 3425 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 3426 3427 /* measurement */ 3428 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 3429 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 3430 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 3431 3432 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 3433 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 3434 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 3435 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 3436 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 3437 3438 /* 802.11g ERP information element */ 3439 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 3440 #define WLAN_ERP_USE_PROTECTION (1<<1) 3441 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 3442 3443 /* WLAN_ERP_BARKER_PREAMBLE values */ 3444 enum { 3445 WLAN_ERP_PREAMBLE_SHORT = 0, 3446 WLAN_ERP_PREAMBLE_LONG = 1, 3447 }; 3448 3449 /* Band ID, 802.11ad #8.4.1.45 */ 3450 enum { 3451 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 3452 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 3453 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 3454 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 3455 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 3456 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 3457 }; 3458 3459 /* Status codes */ 3460 enum ieee80211_statuscode { 3461 WLAN_STATUS_SUCCESS = 0, 3462 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 3463 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 3464 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 3465 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 3466 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 3467 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 3468 WLAN_STATUS_CHALLENGE_FAIL = 15, 3469 WLAN_STATUS_AUTH_TIMEOUT = 16, 3470 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 3471 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 3472 /* 802.11b */ 3473 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 3474 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 3475 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 3476 /* 802.11h */ 3477 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 3478 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 3479 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 3480 /* 802.11g */ 3481 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 3482 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 3483 /* 802.11w */ 3484 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 3485 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 3486 /* 802.11i */ 3487 WLAN_STATUS_INVALID_IE = 40, 3488 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 3489 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 3490 WLAN_STATUS_INVALID_AKMP = 43, 3491 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 3492 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 3493 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 3494 /* 802.11e */ 3495 WLAN_STATUS_UNSPECIFIED_QOS = 32, 3496 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 3497 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 3498 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 3499 WLAN_STATUS_REQUEST_DECLINED = 37, 3500 WLAN_STATUS_INVALID_QOS_PARAM = 38, 3501 WLAN_STATUS_CHANGE_TSPEC = 39, 3502 WLAN_STATUS_WAIT_TS_DELAY = 47, 3503 WLAN_STATUS_NO_DIRECT_LINK = 48, 3504 WLAN_STATUS_STA_NOT_PRESENT = 49, 3505 WLAN_STATUS_STA_NOT_QSTA = 50, 3506 /* 802.11s */ 3507 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 3508 WLAN_STATUS_FCG_NOT_SUPP = 78, 3509 WLAN_STATUS_STA_NO_TBTT = 78, 3510 /* 802.11ad */ 3511 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 3512 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 3513 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 3514 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 3515 WLAN_STATUS_PERFORMING_FST_NOW = 87, 3516 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 3517 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 3518 WLAN_STATUS_REJECT_DSE_BAND = 96, 3519 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 3520 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 3521 /* 802.11ai */ 3522 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 3523 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 3524 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126, 3525 WLAN_STATUS_SAE_PK = 127, 3526 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133, 3527 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134, 3528 }; 3529 3530 3531 /* Reason codes */ 3532 enum ieee80211_reasoncode { 3533 WLAN_REASON_UNSPECIFIED = 1, 3534 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 3535 WLAN_REASON_DEAUTH_LEAVING = 3, 3536 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 3537 WLAN_REASON_DISASSOC_AP_BUSY = 5, 3538 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 3539 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 3540 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 3541 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 3542 /* 802.11h */ 3543 WLAN_REASON_DISASSOC_BAD_POWER = 10, 3544 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 3545 /* 802.11i */ 3546 WLAN_REASON_INVALID_IE = 13, 3547 WLAN_REASON_MIC_FAILURE = 14, 3548 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 3549 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 3550 WLAN_REASON_IE_DIFFERENT = 17, 3551 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 3552 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 3553 WLAN_REASON_INVALID_AKMP = 20, 3554 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 3555 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 3556 WLAN_REASON_IEEE8021X_FAILED = 23, 3557 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 3558 /* TDLS (802.11z) */ 3559 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 3560 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 3561 /* 802.11e */ 3562 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 3563 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 3564 WLAN_REASON_DISASSOC_LOW_ACK = 34, 3565 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 3566 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 3567 WLAN_REASON_QSTA_NOT_USE = 37, 3568 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 3569 WLAN_REASON_QSTA_TIMEOUT = 39, 3570 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 3571 /* 802.11s */ 3572 WLAN_REASON_MESH_PEER_CANCELED = 52, 3573 WLAN_REASON_MESH_MAX_PEERS = 53, 3574 WLAN_REASON_MESH_CONFIG = 54, 3575 WLAN_REASON_MESH_CLOSE = 55, 3576 WLAN_REASON_MESH_MAX_RETRIES = 56, 3577 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 3578 WLAN_REASON_MESH_INVALID_GTK = 58, 3579 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 3580 WLAN_REASON_MESH_INVALID_SECURITY = 60, 3581 WLAN_REASON_MESH_PATH_ERROR = 61, 3582 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 3583 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 3584 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 3585 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 3586 WLAN_REASON_MESH_CHAN = 66, 3587 }; 3588 3589 3590 /* Information Element IDs */ 3591 enum ieee80211_eid { 3592 WLAN_EID_SSID = 0, 3593 WLAN_EID_SUPP_RATES = 1, 3594 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 3595 WLAN_EID_DS_PARAMS = 3, 3596 WLAN_EID_CF_PARAMS = 4, 3597 WLAN_EID_TIM = 5, 3598 WLAN_EID_IBSS_PARAMS = 6, 3599 WLAN_EID_COUNTRY = 7, 3600 /* 8, 9 reserved */ 3601 WLAN_EID_REQUEST = 10, 3602 WLAN_EID_QBSS_LOAD = 11, 3603 WLAN_EID_EDCA_PARAM_SET = 12, 3604 WLAN_EID_TSPEC = 13, 3605 WLAN_EID_TCLAS = 14, 3606 WLAN_EID_SCHEDULE = 15, 3607 WLAN_EID_CHALLENGE = 16, 3608 /* 17-31 reserved for challenge text extension */ 3609 WLAN_EID_PWR_CONSTRAINT = 32, 3610 WLAN_EID_PWR_CAPABILITY = 33, 3611 WLAN_EID_TPC_REQUEST = 34, 3612 WLAN_EID_TPC_REPORT = 35, 3613 WLAN_EID_SUPPORTED_CHANNELS = 36, 3614 WLAN_EID_CHANNEL_SWITCH = 37, 3615 WLAN_EID_MEASURE_REQUEST = 38, 3616 WLAN_EID_MEASURE_REPORT = 39, 3617 WLAN_EID_QUIET = 40, 3618 WLAN_EID_IBSS_DFS = 41, 3619 WLAN_EID_ERP_INFO = 42, 3620 WLAN_EID_TS_DELAY = 43, 3621 WLAN_EID_TCLAS_PROCESSING = 44, 3622 WLAN_EID_HT_CAPABILITY = 45, 3623 WLAN_EID_QOS_CAPA = 46, 3624 /* 47 reserved for Broadcom */ 3625 WLAN_EID_RSN = 48, 3626 WLAN_EID_802_15_COEX = 49, 3627 WLAN_EID_EXT_SUPP_RATES = 50, 3628 WLAN_EID_AP_CHAN_REPORT = 51, 3629 WLAN_EID_NEIGHBOR_REPORT = 52, 3630 WLAN_EID_RCPI = 53, 3631 WLAN_EID_MOBILITY_DOMAIN = 54, 3632 WLAN_EID_FAST_BSS_TRANSITION = 55, 3633 WLAN_EID_TIMEOUT_INTERVAL = 56, 3634 WLAN_EID_RIC_DATA = 57, 3635 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 3636 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 3637 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 3638 WLAN_EID_HT_OPERATION = 61, 3639 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 3640 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 3641 WLAN_EID_ANTENNA_INFO = 64, 3642 WLAN_EID_RSNI = 65, 3643 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 3644 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 3645 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 3646 WLAN_EID_TIME_ADVERTISEMENT = 69, 3647 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 3648 WLAN_EID_MULTIPLE_BSSID = 71, 3649 WLAN_EID_BSS_COEX_2040 = 72, 3650 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 3651 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 3652 WLAN_EID_RIC_DESCRIPTOR = 75, 3653 WLAN_EID_MMIE = 76, 3654 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 3655 WLAN_EID_EVENT_REQUEST = 78, 3656 WLAN_EID_EVENT_REPORT = 79, 3657 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 3658 WLAN_EID_DIAGNOSTIC_REPORT = 81, 3659 WLAN_EID_LOCATION_PARAMS = 82, 3660 WLAN_EID_NON_TX_BSSID_CAP = 83, 3661 WLAN_EID_SSID_LIST = 84, 3662 WLAN_EID_MULTI_BSSID_IDX = 85, 3663 WLAN_EID_FMS_DESCRIPTOR = 86, 3664 WLAN_EID_FMS_REQUEST = 87, 3665 WLAN_EID_FMS_RESPONSE = 88, 3666 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 3667 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 3668 WLAN_EID_TSF_REQUEST = 91, 3669 WLAN_EID_TSF_RESPOSNE = 92, 3670 WLAN_EID_WNM_SLEEP_MODE = 93, 3671 WLAN_EID_TIM_BCAST_REQ = 94, 3672 WLAN_EID_TIM_BCAST_RESP = 95, 3673 WLAN_EID_COLL_IF_REPORT = 96, 3674 WLAN_EID_CHANNEL_USAGE = 97, 3675 WLAN_EID_TIME_ZONE = 98, 3676 WLAN_EID_DMS_REQUEST = 99, 3677 WLAN_EID_DMS_RESPONSE = 100, 3678 WLAN_EID_LINK_ID = 101, 3679 WLAN_EID_WAKEUP_SCHEDUL = 102, 3680 /* 103 reserved */ 3681 WLAN_EID_CHAN_SWITCH_TIMING = 104, 3682 WLAN_EID_PTI_CONTROL = 105, 3683 WLAN_EID_PU_BUFFER_STATUS = 106, 3684 WLAN_EID_INTERWORKING = 107, 3685 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 3686 WLAN_EID_EXPEDITED_BW_REQ = 109, 3687 WLAN_EID_QOS_MAP_SET = 110, 3688 WLAN_EID_ROAMING_CONSORTIUM = 111, 3689 WLAN_EID_EMERGENCY_ALERT = 112, 3690 WLAN_EID_MESH_CONFIG = 113, 3691 WLAN_EID_MESH_ID = 114, 3692 WLAN_EID_LINK_METRIC_REPORT = 115, 3693 WLAN_EID_CONGESTION_NOTIFICATION = 116, 3694 WLAN_EID_PEER_MGMT = 117, 3695 WLAN_EID_CHAN_SWITCH_PARAM = 118, 3696 WLAN_EID_MESH_AWAKE_WINDOW = 119, 3697 WLAN_EID_BEACON_TIMING = 120, 3698 WLAN_EID_MCCAOP_SETUP_REQ = 121, 3699 WLAN_EID_MCCAOP_SETUP_RESP = 122, 3700 WLAN_EID_MCCAOP_ADVERT = 123, 3701 WLAN_EID_MCCAOP_TEARDOWN = 124, 3702 WLAN_EID_GANN = 125, 3703 WLAN_EID_RANN = 126, 3704 WLAN_EID_EXT_CAPABILITY = 127, 3705 /* 128, 129 reserved for Agere */ 3706 WLAN_EID_PREQ = 130, 3707 WLAN_EID_PREP = 131, 3708 WLAN_EID_PERR = 132, 3709 /* 133-136 reserved for Cisco */ 3710 WLAN_EID_PXU = 137, 3711 WLAN_EID_PXUC = 138, 3712 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 3713 WLAN_EID_MIC = 140, 3714 WLAN_EID_DESTINATION_URI = 141, 3715 WLAN_EID_UAPSD_COEX = 142, 3716 WLAN_EID_WAKEUP_SCHEDULE = 143, 3717 WLAN_EID_EXT_SCHEDULE = 144, 3718 WLAN_EID_STA_AVAILABILITY = 145, 3719 WLAN_EID_DMG_TSPEC = 146, 3720 WLAN_EID_DMG_AT = 147, 3721 WLAN_EID_DMG_CAP = 148, 3722 /* 149 reserved for Cisco */ 3723 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 3724 WLAN_EID_DMG_OPERATION = 151, 3725 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 3726 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 3727 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 3728 /* 155-156 reserved for Cisco */ 3729 WLAN_EID_AWAKE_WINDOW = 157, 3730 WLAN_EID_MULTI_BAND = 158, 3731 WLAN_EID_ADDBA_EXT = 159, 3732 WLAN_EID_NEXT_PCP_LIST = 160, 3733 WLAN_EID_PCP_HANDOVER = 161, 3734 WLAN_EID_DMG_LINK_MARGIN = 162, 3735 WLAN_EID_SWITCHING_STREAM = 163, 3736 WLAN_EID_SESSION_TRANSITION = 164, 3737 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 3738 WLAN_EID_CLUSTER_REPORT = 166, 3739 WLAN_EID_RELAY_CAP = 167, 3740 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 3741 WLAN_EID_BEAM_LINK_MAINT = 169, 3742 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 3743 WLAN_EID_U_PID = 171, 3744 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 3745 /* 173 reserved for Symbol */ 3746 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 3747 WLAN_EID_QUIET_PERIOD_REQ = 175, 3748 /* 176 reserved for Symbol */ 3749 WLAN_EID_QUIET_PERIOD_RESP = 177, 3750 /* 178-179 reserved for Symbol */ 3751 /* 180 reserved for ISO/IEC 20011 */ 3752 WLAN_EID_EPAC_POLICY = 182, 3753 WLAN_EID_CLISTER_TIME_OFF = 183, 3754 WLAN_EID_INTER_AC_PRIO = 184, 3755 WLAN_EID_SCS_DESCRIPTOR = 185, 3756 WLAN_EID_QLOAD_REPORT = 186, 3757 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 3758 WLAN_EID_HL_STREAM_ID = 188, 3759 WLAN_EID_GCR_GROUP_ADDR = 189, 3760 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 3761 WLAN_EID_VHT_CAPABILITY = 191, 3762 WLAN_EID_VHT_OPERATION = 192, 3763 WLAN_EID_EXTENDED_BSS_LOAD = 193, 3764 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 3765 WLAN_EID_TX_POWER_ENVELOPE = 195, 3766 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 3767 WLAN_EID_AID = 197, 3768 WLAN_EID_QUIET_CHANNEL = 198, 3769 WLAN_EID_OPMODE_NOTIF = 199, 3770 3771 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201, 3772 3773 WLAN_EID_AID_REQUEST = 210, 3774 WLAN_EID_AID_RESPONSE = 211, 3775 WLAN_EID_S1G_BCN_COMPAT = 213, 3776 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214, 3777 WLAN_EID_S1G_TWT = 216, 3778 WLAN_EID_S1G_CAPABILITIES = 217, 3779 WLAN_EID_VENDOR_SPECIFIC = 221, 3780 WLAN_EID_QOS_PARAMETER = 222, 3781 WLAN_EID_S1G_OPERATION = 232, 3782 WLAN_EID_CAG_NUMBER = 237, 3783 WLAN_EID_AP_CSN = 239, 3784 WLAN_EID_FILS_INDICATION = 240, 3785 WLAN_EID_DILS = 241, 3786 WLAN_EID_FRAGMENT = 242, 3787 WLAN_EID_RSNX = 244, 3788 WLAN_EID_EXTENSION = 255 3789 }; 3790 3791 /* Element ID Extensions for Element ID 255 */ 3792 enum ieee80211_eid_ext { 3793 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 3794 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 3795 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 3796 WLAN_EID_EXT_FILS_SESSION = 4, 3797 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 3798 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 3799 WLAN_EID_EXT_KEY_DELIVERY = 7, 3800 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 3801 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 3802 WLAN_EID_EXT_FILS_NONCE = 13, 3803 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 3804 WLAN_EID_EXT_HE_CAPABILITY = 35, 3805 WLAN_EID_EXT_HE_OPERATION = 36, 3806 WLAN_EID_EXT_UORA = 37, 3807 WLAN_EID_EXT_HE_MU_EDCA = 38, 3808 WLAN_EID_EXT_HE_SPR = 39, 3809 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41, 3810 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42, 3811 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43, 3812 WLAN_EID_EXT_ESS_REPORT = 45, 3813 WLAN_EID_EXT_OPS = 46, 3814 WLAN_EID_EXT_HE_BSS_LOAD = 47, 3815 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, 3816 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, 3817 WLAN_EID_EXT_NON_INHERITANCE = 56, 3818 WLAN_EID_EXT_KNOWN_BSSID = 57, 3819 WLAN_EID_EXT_SHORT_SSID_LIST = 58, 3820 WLAN_EID_EXT_HE_6GHZ_CAPA = 59, 3821 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60, 3822 WLAN_EID_EXT_EHT_OPERATION = 106, 3823 WLAN_EID_EXT_EHT_MULTI_LINK = 107, 3824 WLAN_EID_EXT_EHT_CAPABILITY = 108, 3825 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109, 3826 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135, 3827 }; 3828 3829 /* Action category code */ 3830 enum ieee80211_category { 3831 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 3832 WLAN_CATEGORY_QOS = 1, 3833 WLAN_CATEGORY_DLS = 2, 3834 WLAN_CATEGORY_BACK = 3, 3835 WLAN_CATEGORY_PUBLIC = 4, 3836 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 3837 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6, 3838 WLAN_CATEGORY_HT = 7, 3839 WLAN_CATEGORY_SA_QUERY = 8, 3840 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 3841 WLAN_CATEGORY_WNM = 10, 3842 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 3843 WLAN_CATEGORY_TDLS = 12, 3844 WLAN_CATEGORY_MESH_ACTION = 13, 3845 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 3846 WLAN_CATEGORY_SELF_PROTECTED = 15, 3847 WLAN_CATEGORY_DMG = 16, 3848 WLAN_CATEGORY_WMM = 17, 3849 WLAN_CATEGORY_FST = 18, 3850 WLAN_CATEGORY_UNPROT_DMG = 20, 3851 WLAN_CATEGORY_VHT = 21, 3852 WLAN_CATEGORY_S1G = 22, 3853 WLAN_CATEGORY_PROTECTED_EHT = 37, 3854 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 3855 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 3856 }; 3857 3858 /* SPECTRUM_MGMT action code */ 3859 enum ieee80211_spectrum_mgmt_actioncode { 3860 WLAN_ACTION_SPCT_MSR_REQ = 0, 3861 WLAN_ACTION_SPCT_MSR_RPRT = 1, 3862 WLAN_ACTION_SPCT_TPC_REQ = 2, 3863 WLAN_ACTION_SPCT_TPC_RPRT = 3, 3864 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 3865 }; 3866 3867 /* HT action codes */ 3868 enum ieee80211_ht_actioncode { 3869 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 3870 WLAN_HT_ACTION_SMPS = 1, 3871 WLAN_HT_ACTION_PSMP = 2, 3872 WLAN_HT_ACTION_PCO_PHASE = 3, 3873 WLAN_HT_ACTION_CSI = 4, 3874 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 3875 WLAN_HT_ACTION_COMPRESSED_BF = 6, 3876 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 3877 }; 3878 3879 /* VHT action codes */ 3880 enum ieee80211_vht_actioncode { 3881 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 3882 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 3883 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 3884 }; 3885 3886 /* Self Protected Action codes */ 3887 enum ieee80211_self_protected_actioncode { 3888 WLAN_SP_RESERVED = 0, 3889 WLAN_SP_MESH_PEERING_OPEN = 1, 3890 WLAN_SP_MESH_PEERING_CONFIRM = 2, 3891 WLAN_SP_MESH_PEERING_CLOSE = 3, 3892 WLAN_SP_MGK_INFORM = 4, 3893 WLAN_SP_MGK_ACK = 5, 3894 }; 3895 3896 /* Mesh action codes */ 3897 enum ieee80211_mesh_actioncode { 3898 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 3899 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 3900 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 3901 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 3902 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 3903 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 3904 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 3905 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 3906 WLAN_MESH_ACTION_MCCA_TEARDOWN, 3907 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 3908 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 3909 }; 3910 3911 /* Unprotected WNM action codes */ 3912 enum ieee80211_unprotected_wnm_actioncode { 3913 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0, 3914 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1, 3915 }; 3916 3917 /* Protected EHT action codes */ 3918 enum ieee80211_protected_eht_actioncode { 3919 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0, 3920 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1, 3921 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2, 3922 }; 3923 3924 /* Security key length */ 3925 enum ieee80211_key_len { 3926 WLAN_KEY_LEN_WEP40 = 5, 3927 WLAN_KEY_LEN_WEP104 = 13, 3928 WLAN_KEY_LEN_CCMP = 16, 3929 WLAN_KEY_LEN_CCMP_256 = 32, 3930 WLAN_KEY_LEN_TKIP = 32, 3931 WLAN_KEY_LEN_AES_CMAC = 16, 3932 WLAN_KEY_LEN_SMS4 = 32, 3933 WLAN_KEY_LEN_GCMP = 16, 3934 WLAN_KEY_LEN_GCMP_256 = 32, 3935 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 3936 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 3937 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 3938 }; 3939 3940 enum ieee80211_s1g_actioncode { 3941 WLAN_S1G_AID_SWITCH_REQUEST, 3942 WLAN_S1G_AID_SWITCH_RESPONSE, 3943 WLAN_S1G_SYNC_CONTROL, 3944 WLAN_S1G_STA_INFO_ANNOUNCE, 3945 WLAN_S1G_EDCA_PARAM_SET, 3946 WLAN_S1G_EL_OPERATION, 3947 WLAN_S1G_TWT_SETUP, 3948 WLAN_S1G_TWT_TEARDOWN, 3949 WLAN_S1G_SECT_GROUP_ID_LIST, 3950 WLAN_S1G_SECT_ID_FEEDBACK, 3951 WLAN_S1G_TWT_INFORMATION = 11, 3952 }; 3953 3954 #define IEEE80211_WEP_IV_LEN 4 3955 #define IEEE80211_WEP_ICV_LEN 4 3956 #define IEEE80211_CCMP_HDR_LEN 8 3957 #define IEEE80211_CCMP_MIC_LEN 8 3958 #define IEEE80211_CCMP_PN_LEN 6 3959 #define IEEE80211_CCMP_256_HDR_LEN 8 3960 #define IEEE80211_CCMP_256_MIC_LEN 16 3961 #define IEEE80211_CCMP_256_PN_LEN 6 3962 #define IEEE80211_TKIP_IV_LEN 8 3963 #define IEEE80211_TKIP_ICV_LEN 4 3964 #define IEEE80211_CMAC_PN_LEN 6 3965 #define IEEE80211_GMAC_PN_LEN 6 3966 #define IEEE80211_GCMP_HDR_LEN 8 3967 #define IEEE80211_GCMP_MIC_LEN 16 3968 #define IEEE80211_GCMP_PN_LEN 6 3969 3970 #define FILS_NONCE_LEN 16 3971 #define FILS_MAX_KEK_LEN 64 3972 3973 #define FILS_ERP_MAX_USERNAME_LEN 16 3974 #define FILS_ERP_MAX_REALM_LEN 253 3975 #define FILS_ERP_MAX_RRK_LEN 64 3976 3977 #define PMK_MAX_LEN 64 3978 #define SAE_PASSWORD_MAX_LEN 128 3979 3980 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 3981 enum ieee80211_pub_actioncode { 3982 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 3983 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 3984 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 3985 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 3986 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 3987 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 3988 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 3989 WLAN_PUB_ACTION_MSMT_PILOT = 7, 3990 WLAN_PUB_ACTION_DSE_PC = 8, 3991 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 3992 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 3993 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 3994 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 3995 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 3996 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 3997 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 3998 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 3999 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 4000 WLAN_PUB_ACTION_QMF_POLICY = 18, 4001 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 4002 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 4003 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 4004 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 4005 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 4006 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 4007 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 4008 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 4009 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 4010 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 4011 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 4012 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 4013 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 4014 WLAN_PUB_ACTION_FTM_REQUEST = 32, 4015 WLAN_PUB_ACTION_FTM_RESPONSE = 33, 4016 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 4017 }; 4018 4019 /* TDLS action codes */ 4020 enum ieee80211_tdls_actioncode { 4021 WLAN_TDLS_SETUP_REQUEST = 0, 4022 WLAN_TDLS_SETUP_RESPONSE = 1, 4023 WLAN_TDLS_SETUP_CONFIRM = 2, 4024 WLAN_TDLS_TEARDOWN = 3, 4025 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 4026 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 4027 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 4028 WLAN_TDLS_PEER_PSM_REQUEST = 7, 4029 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 4030 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 4031 WLAN_TDLS_DISCOVERY_REQUEST = 10, 4032 }; 4033 4034 /* Extended Channel Switching capability to be set in the 1st byte of 4035 * the @WLAN_EID_EXT_CAPABILITY information element 4036 */ 4037 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 4038 4039 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the 4040 * @WLAN_EID_EXT_CAPABILITY information element 4041 */ 4042 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) 4043 4044 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte 4045 * of the @WLAN_EID_EXT_CAPABILITY information element 4046 */ 4047 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7) 4048 4049 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 4050 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 4051 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 4052 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 4053 4054 /* Interworking capabilities are set in 7th bit of 4th byte of the 4055 * @WLAN_EID_EXT_CAPABILITY information element 4056 */ 4057 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 4058 4059 /* 4060 * TDLS capabililites to be enabled in the 5th byte of the 4061 * @WLAN_EID_EXT_CAPABILITY information element 4062 */ 4063 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 4064 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 4065 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 4066 4067 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 4068 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 4069 4070 /* Defines the maximal number of MSDUs in an A-MSDU. */ 4071 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 4072 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 4073 4074 /* 4075 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 4076 * information element 4077 */ 4078 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 4079 4080 /* Defines support for TWT Requester and TWT Responder */ 4081 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 4082 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 4083 4084 /* 4085 * When set, indicates that the AP is able to tolerate 26-tone RU UL 4086 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the 4087 * 26-tone RU UL OFDMA transmissions as radar pulses). 4088 */ 4089 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) 4090 4091 /* Defines support for enhanced multi-bssid advertisement*/ 4092 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3) 4093 4094 /* TDLS specific payload type in the LLC/SNAP header */ 4095 #define WLAN_TDLS_SNAP_RFTYPE 0x2 4096 4097 /* BSS Coex IE information field bits */ 4098 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 4099 4100 /** 4101 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 4102 * 4103 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 4104 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 4105 * that will be specified in a vendor specific information element 4106 */ 4107 enum ieee80211_mesh_sync_method { 4108 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 4109 IEEE80211_SYNC_METHOD_VENDOR = 255, 4110 }; 4111 4112 /** 4113 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 4114 * 4115 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 4116 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 4117 * be specified in a vendor specific information element 4118 */ 4119 enum ieee80211_mesh_path_protocol { 4120 IEEE80211_PATH_PROTOCOL_HWMP = 1, 4121 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 4122 }; 4123 4124 /** 4125 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 4126 * 4127 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 4128 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 4129 * specified in a vendor specific information element 4130 */ 4131 enum ieee80211_mesh_path_metric { 4132 IEEE80211_PATH_METRIC_AIRTIME = 1, 4133 IEEE80211_PATH_METRIC_VENDOR = 255, 4134 }; 4135 4136 /** 4137 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 4138 * 4139 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 4140 * 4141 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 4142 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 4143 * this value 4144 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 4145 * the proactive PREQ with proactive PREP subfield set to 0 4146 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 4147 * supports the proactive PREQ with proactive PREP subfield set to 1 4148 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 4149 * the proactive RANN 4150 */ 4151 enum ieee80211_root_mode_identifier { 4152 IEEE80211_ROOTMODE_NO_ROOT = 0, 4153 IEEE80211_ROOTMODE_ROOT = 1, 4154 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 4155 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 4156 IEEE80211_PROACTIVE_RANN = 4, 4157 }; 4158 4159 /* 4160 * IEEE 802.11-2007 7.3.2.9 Country information element 4161 * 4162 * Minimum length is 8 octets, ie len must be evenly 4163 * divisible by 2 4164 */ 4165 4166 /* Although the spec says 8 I'm seeing 6 in practice */ 4167 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 4168 4169 /* The Country String field of the element shall be 3 octets in length */ 4170 #define IEEE80211_COUNTRY_STRING_LEN 3 4171 4172 /* 4173 * For regulatory extension stuff see IEEE 802.11-2007 4174 * Annex I (page 1141) and Annex J (page 1147). Also 4175 * review 7.3.2.9. 4176 * 4177 * When dot11RegulatoryClassesRequired is true and the 4178 * first_channel/reg_extension_id is >= 201 then the IE 4179 * compromises of the 'ext' struct represented below: 4180 * 4181 * - Regulatory extension ID - when generating IE this just needs 4182 * to be monotonically increasing for each triplet passed in 4183 * the IE 4184 * - Regulatory class - index into set of rules 4185 * - Coverage class - index into air propagation time (Table 7-27), 4186 * in microseconds, you can compute the air propagation time from 4187 * the index by multiplying by 3, so index 10 yields a propagation 4188 * of 10 us. Valid values are 0-31, values 32-255 are not defined 4189 * yet. A value of 0 inicates air propagation of <= 1 us. 4190 * 4191 * See also Table I.2 for Emission limit sets and table 4192 * I.3 for Behavior limit sets. Table J.1 indicates how to map 4193 * a reg_class to an emission limit set and behavior limit set. 4194 */ 4195 #define IEEE80211_COUNTRY_EXTENSION_ID 201 4196 4197 /* 4198 * Channels numbers in the IE must be monotonically increasing 4199 * if dot11RegulatoryClassesRequired is not true. 4200 * 4201 * If dot11RegulatoryClassesRequired is true consecutive 4202 * subband triplets following a regulatory triplet shall 4203 * have monotonically increasing first_channel number fields. 4204 * 4205 * Channel numbers shall not overlap. 4206 * 4207 * Note that max_power is signed. 4208 */ 4209 struct ieee80211_country_ie_triplet { 4210 union { 4211 struct { 4212 u8 first_channel; 4213 u8 num_channels; 4214 s8 max_power; 4215 } __packed chans; 4216 struct { 4217 u8 reg_extension_id; 4218 u8 reg_class; 4219 u8 coverage_class; 4220 } __packed ext; 4221 }; 4222 } __packed; 4223 4224 enum ieee80211_timeout_interval_type { 4225 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 4226 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 4227 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 4228 }; 4229 4230 /** 4231 * struct ieee80211_timeout_interval_ie - Timeout Interval element 4232 * @type: type, see &enum ieee80211_timeout_interval_type 4233 * @value: timeout interval value 4234 */ 4235 struct ieee80211_timeout_interval_ie { 4236 u8 type; 4237 __le32 value; 4238 } __packed; 4239 4240 /** 4241 * enum ieee80211_idle_options - BSS idle options 4242 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 4243 * protected frame to the AP to reset the idle timer at the AP for 4244 * the station. 4245 */ 4246 enum ieee80211_idle_options { 4247 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 4248 }; 4249 4250 /** 4251 * struct ieee80211_bss_max_idle_period_ie - BSS max idle period element struct 4252 * 4253 * This structure refers to "BSS Max idle period element" 4254 * 4255 * @max_idle_period: indicates the time period during which a station can 4256 * refrain from transmitting frames to its associated AP without being 4257 * disassociated. In units of 1000 TUs. 4258 * @idle_options: indicates the options associated with the BSS idle capability 4259 * as specified in &enum ieee80211_idle_options. 4260 */ 4261 struct ieee80211_bss_max_idle_period_ie { 4262 __le16 max_idle_period; 4263 u8 idle_options; 4264 } __packed; 4265 4266 /* BACK action code */ 4267 enum ieee80211_back_actioncode { 4268 WLAN_ACTION_ADDBA_REQ = 0, 4269 WLAN_ACTION_ADDBA_RESP = 1, 4270 WLAN_ACTION_DELBA = 2, 4271 }; 4272 4273 /* BACK (block-ack) parties */ 4274 enum ieee80211_back_parties { 4275 WLAN_BACK_RECIPIENT = 0, 4276 WLAN_BACK_INITIATOR = 1, 4277 }; 4278 4279 /* SA Query action */ 4280 enum ieee80211_sa_query_action { 4281 WLAN_ACTION_SA_QUERY_REQUEST = 0, 4282 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 4283 }; 4284 4285 /** 4286 * struct ieee80211_bssid_index - multiple BSSID index element structure 4287 * 4288 * This structure refers to "Multiple BSSID-index element" 4289 * 4290 * @bssid_index: BSSID index 4291 * @dtim_period: optional, overrides transmitted BSS dtim period 4292 * @dtim_count: optional, overrides transmitted BSS dtim count 4293 */ 4294 struct ieee80211_bssid_index { 4295 u8 bssid_index; 4296 u8 dtim_period; 4297 u8 dtim_count; 4298 }; 4299 4300 /** 4301 * struct ieee80211_multiple_bssid_configuration - multiple BSSID configuration 4302 * element structure 4303 * 4304 * This structure refers to "Multiple BSSID Configuration element" 4305 * 4306 * @bssid_count: total number of active BSSIDs in the set 4307 * @profile_periodicity: the least number of beacon frames need to be received 4308 * in order to discover all the nontransmitted BSSIDs in the set. 4309 */ 4310 struct ieee80211_multiple_bssid_configuration { 4311 u8 bssid_count; 4312 u8 profile_periodicity; 4313 }; 4314 4315 #define SUITE(oui, id) (((oui) << 8) | (id)) 4316 4317 /* cipher suite selectors */ 4318 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 4319 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 4320 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 4321 /* reserved: SUITE(0x000FAC, 3) */ 4322 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 4323 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 4324 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 4325 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 4326 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 4327 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 4328 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 4329 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 4330 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 4331 4332 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 4333 4334 /* AKM suite selectors */ 4335 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 4336 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 4337 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 4338 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 4339 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 4340 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 4341 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 4342 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 4343 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 4344 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10) 4345 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 4346 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 4347 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13) 4348 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 4349 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 4350 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 4351 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 4352 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) 4353 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19) 4354 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20) 4355 4356 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2) 4357 4358 #define WLAN_MAX_KEY_LEN 32 4359 4360 #define WLAN_PMK_NAME_LEN 16 4361 #define WLAN_PMKID_LEN 16 4362 #define WLAN_PMK_LEN_EAP_LEAP 16 4363 #define WLAN_PMK_LEN 32 4364 #define WLAN_PMK_LEN_SUITE_B_192 48 4365 4366 #define WLAN_OUI_WFA 0x506f9a 4367 #define WLAN_OUI_TYPE_WFA_P2P 9 4368 #define WLAN_OUI_TYPE_WFA_DPP 0x1A 4369 #define WLAN_OUI_MICROSOFT 0x0050f2 4370 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 4371 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 4372 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 4373 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 4374 4375 /* 4376 * WMM/802.11e Tspec Element 4377 */ 4378 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 4379 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 4380 4381 enum ieee80211_tspec_status_code { 4382 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 4383 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 4384 }; 4385 4386 struct ieee80211_tspec_ie { 4387 u8 element_id; 4388 u8 len; 4389 u8 oui[3]; 4390 u8 oui_type; 4391 u8 oui_subtype; 4392 u8 version; 4393 __le16 tsinfo; 4394 u8 tsinfo_resvd; 4395 __le16 nominal_msdu; 4396 __le16 max_msdu; 4397 __le32 min_service_int; 4398 __le32 max_service_int; 4399 __le32 inactivity_int; 4400 __le32 suspension_int; 4401 __le32 service_start_time; 4402 __le32 min_data_rate; 4403 __le32 mean_data_rate; 4404 __le32 peak_data_rate; 4405 __le32 max_burst_size; 4406 __le32 delay_bound; 4407 __le32 min_phy_rate; 4408 __le16 sba; 4409 __le16 medium_time; 4410 } __packed; 4411 4412 struct ieee80211_he_6ghz_capa { 4413 /* uses IEEE80211_HE_6GHZ_CAP_* below */ 4414 __le16 capa; 4415 } __packed; 4416 4417 /* HE 6 GHz band capabilities */ 4418 /* uses enum ieee80211_min_mpdu_spacing values */ 4419 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007 4420 /* uses enum ieee80211_vht_max_ampdu_length_exp values */ 4421 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038 4422 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */ 4423 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0 4424 /* WLAN_HT_CAP_SM_PS_* values */ 4425 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600 4426 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800 4427 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000 4428 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000 4429 4430 /** 4431 * ieee80211_get_qos_ctl - get pointer to qos control bytes 4432 * @hdr: the frame 4433 * Return: a pointer to the QoS control field in the frame header 4434 * 4435 * The qos ctrl bytes come after the frame_control, duration, seq_num 4436 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose 4437 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr. 4438 */ 4439 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 4440 { 4441 union { 4442 struct ieee80211_qos_hdr addr3; 4443 struct ieee80211_qos_hdr_4addr addr4; 4444 } *qos; 4445 4446 qos = (void *)hdr; 4447 if (ieee80211_has_a4(qos->addr3.frame_control)) 4448 return (u8 *)&qos->addr4.qos_ctrl; 4449 else 4450 return (u8 *)&qos->addr3.qos_ctrl; 4451 } 4452 4453 /** 4454 * ieee80211_get_tid - get qos TID 4455 * @hdr: the frame 4456 * Return: the TID from the QoS control field 4457 */ 4458 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 4459 { 4460 u8 *qc = ieee80211_get_qos_ctl(hdr); 4461 4462 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 4463 } 4464 4465 /** 4466 * ieee80211_get_SA - get pointer to SA 4467 * @hdr: the frame 4468 * Return: a pointer to the source address (SA) 4469 * 4470 * Given an 802.11 frame, this function returns the offset 4471 * to the source address (SA). It does not verify that the 4472 * header is long enough to contain the address, and the 4473 * header must be long enough to contain the frame control 4474 * field. 4475 */ 4476 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 4477 { 4478 if (ieee80211_has_a4(hdr->frame_control)) 4479 return hdr->addr4; 4480 if (ieee80211_has_fromds(hdr->frame_control)) 4481 return hdr->addr3; 4482 return hdr->addr2; 4483 } 4484 4485 /** 4486 * ieee80211_get_DA - get pointer to DA 4487 * @hdr: the frame 4488 * Return: a pointer to the destination address (DA) 4489 * 4490 * Given an 802.11 frame, this function returns the offset 4491 * to the destination address (DA). It does not verify that 4492 * the header is long enough to contain the address, and the 4493 * header must be long enough to contain the frame control 4494 * field. 4495 */ 4496 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 4497 { 4498 if (ieee80211_has_tods(hdr->frame_control)) 4499 return hdr->addr3; 4500 else 4501 return hdr->addr1; 4502 } 4503 4504 /** 4505 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 4506 * @skb: the skb to check, starting with the 802.11 header 4507 * Return: whether or not the MMPDU is bufferable 4508 */ 4509 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 4510 { 4511 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4512 __le16 fc = mgmt->frame_control; 4513 4514 /* 4515 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU; 4516 * note that this ignores the IBSS special case. 4517 */ 4518 if (!ieee80211_is_mgmt(fc)) 4519 return false; 4520 4521 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc)) 4522 return true; 4523 4524 if (!ieee80211_is_action(fc)) 4525 return false; 4526 4527 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code)) 4528 return true; 4529 4530 /* action frame - additionally check for non-bufferable FTM */ 4531 4532 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC && 4533 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION) 4534 return true; 4535 4536 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST || 4537 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE) 4538 return false; 4539 4540 return true; 4541 } 4542 4543 /** 4544 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 4545 * @hdr: the frame (buffer must include at least the first octet of payload) 4546 * Return: whether or not the frame is a robust management frame 4547 */ 4548 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 4549 { 4550 if (ieee80211_is_disassoc(hdr->frame_control) || 4551 ieee80211_is_deauth(hdr->frame_control)) 4552 return true; 4553 4554 if (ieee80211_is_action(hdr->frame_control)) { 4555 u8 *category; 4556 4557 /* 4558 * Action frames, excluding Public Action frames, are Robust 4559 * Management Frames. However, if we are looking at a Protected 4560 * frame, skip the check since the data may be encrypted and 4561 * the frame has already been found to be a Robust Management 4562 * Frame (by the other end). 4563 */ 4564 if (ieee80211_has_protected(hdr->frame_control)) 4565 return true; 4566 category = ((u8 *) hdr) + 24; 4567 return *category != WLAN_CATEGORY_PUBLIC && 4568 *category != WLAN_CATEGORY_HT && 4569 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 4570 *category != WLAN_CATEGORY_SELF_PROTECTED && 4571 *category != WLAN_CATEGORY_UNPROT_DMG && 4572 *category != WLAN_CATEGORY_VHT && 4573 *category != WLAN_CATEGORY_S1G && 4574 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 4575 } 4576 4577 return false; 4578 } 4579 4580 /** 4581 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 4582 * @skb: the skb containing the frame, length will be checked 4583 * Return: whether or not the frame is a robust management frame 4584 */ 4585 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 4586 { 4587 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4588 return false; 4589 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 4590 } 4591 4592 /** 4593 * ieee80211_is_public_action - check if frame is a public action frame 4594 * @hdr: the frame 4595 * @len: length of the frame 4596 * Return: whether or not the frame is a public action frame 4597 */ 4598 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 4599 size_t len) 4600 { 4601 struct ieee80211_mgmt *mgmt = (void *)hdr; 4602 4603 if (len < IEEE80211_MIN_ACTION_SIZE) 4604 return false; 4605 if (!ieee80211_is_action(hdr->frame_control)) 4606 return false; 4607 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 4608 } 4609 4610 /** 4611 * ieee80211_is_protected_dual_of_public_action - check if skb contains a 4612 * protected dual of public action management frame 4613 * @skb: the skb containing the frame, length will be checked 4614 * 4615 * Return: true if the skb contains a protected dual of public action 4616 * management frame, false otherwise. 4617 */ 4618 static inline bool 4619 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb) 4620 { 4621 u8 action; 4622 4623 if (!ieee80211_is_public_action((void *)skb->data, skb->len) || 4624 skb->len < IEEE80211_MIN_ACTION_SIZE + 1) 4625 return false; 4626 4627 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE); 4628 4629 return action != WLAN_PUB_ACTION_20_40_BSS_COEX && 4630 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN && 4631 action != WLAN_PUB_ACTION_MSMT_PILOT && 4632 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES && 4633 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI && 4634 action != WLAN_PUB_ACTION_FTM_REQUEST && 4635 action != WLAN_PUB_ACTION_FTM_RESPONSE && 4636 action != WLAN_PUB_ACTION_FILS_DISCOVERY && 4637 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC; 4638 } 4639 4640 /** 4641 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 4642 * privacy action frame 4643 * @hdr: the frame 4644 * Return: whether or not the frame is a group addressed privacy action frame 4645 */ 4646 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 4647 { 4648 struct ieee80211_mgmt *mgmt = (void *)hdr; 4649 4650 if (!ieee80211_is_action(hdr->frame_control) || 4651 !is_multicast_ether_addr(hdr->addr1)) 4652 return false; 4653 4654 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 4655 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 4656 } 4657 4658 /** 4659 * ieee80211_is_group_privacy_action - check if frame is a group addressed 4660 * privacy action frame 4661 * @skb: the skb containing the frame, length will be checked 4662 * Return: whether or not the frame is a group addressed privacy action frame 4663 */ 4664 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 4665 { 4666 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4667 return false; 4668 return _ieee80211_is_group_privacy_action((void *)skb->data); 4669 } 4670 4671 /** 4672 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 4673 * @tu: the TUs 4674 * Return: the time value converted to microseconds 4675 */ 4676 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 4677 { 4678 return 1024 * tu; 4679 } 4680 4681 /** 4682 * ieee80211_check_tim - check if AID bit is set in TIM 4683 * @tim: the TIM IE 4684 * @tim_len: length of the TIM IE 4685 * @aid: the AID to look for 4686 * Return: whether or not traffic is indicated in the TIM for the given AID 4687 */ 4688 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 4689 u8 tim_len, u16 aid) 4690 { 4691 u8 mask; 4692 u8 index, indexn1, indexn2; 4693 4694 if (unlikely(!tim || tim_len < sizeof(*tim))) 4695 return false; 4696 4697 aid &= 0x3fff; 4698 index = aid / 8; 4699 mask = 1 << (aid & 7); 4700 4701 indexn1 = tim->bitmap_ctrl & 0xfe; 4702 indexn2 = tim_len + indexn1 - 4; 4703 4704 if (index < indexn1 || index > indexn2) 4705 return false; 4706 4707 index -= indexn1; 4708 4709 return !!(tim->virtual_map[index] & mask); 4710 } 4711 4712 /** 4713 * ieee80211_get_tdls_action - get TDLS action code 4714 * @skb: the skb containing the frame, length will not be checked 4715 * Return: the TDLS action code, or -1 if it's not an encapsulated TDLS action 4716 * frame 4717 * 4718 * This function assumes the frame is a data frame, and that the network header 4719 * is in the correct place. 4720 */ 4721 static inline int ieee80211_get_tdls_action(struct sk_buff *skb) 4722 { 4723 if (!skb_is_nonlinear(skb) && 4724 skb->len > (skb_network_offset(skb) + 2)) { 4725 /* Point to where the indication of TDLS should start */ 4726 const u8 *tdls_data = skb_network_header(skb) - 2; 4727 4728 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 4729 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 4730 tdls_data[3] == WLAN_CATEGORY_TDLS) 4731 return tdls_data[4]; 4732 } 4733 4734 return -1; 4735 } 4736 4737 /* convert time units */ 4738 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 4739 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 4740 4741 /* convert frequencies */ 4742 #define MHZ_TO_KHZ(freq) ((freq) * 1000) 4743 #define KHZ_TO_MHZ(freq) ((freq) / 1000) 4744 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000 4745 #define KHZ_F "%d.%03d" 4746 4747 /* convert powers */ 4748 #define DBI_TO_MBI(gain) ((gain) * 100) 4749 #define MBI_TO_DBI(gain) ((gain) / 100) 4750 #define DBM_TO_MBM(gain) ((gain) * 100) 4751 #define MBM_TO_DBM(gain) ((gain) / 100) 4752 4753 /** 4754 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 4755 * @skb: the skb containing the frame, length will be checked 4756 * Return: %true if the frame contains a TPC element, %false otherwise 4757 * 4758 * This function checks if it's either TPC report action frame or Link 4759 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 4760 * and 8.5.7.5 accordingly. 4761 */ 4762 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 4763 { 4764 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4765 4766 if (!ieee80211_is_action(mgmt->frame_control)) 4767 return false; 4768 4769 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 4770 sizeof(mgmt->u.action.u.tpc_report)) 4771 return false; 4772 4773 /* 4774 * TPC report - check that: 4775 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 4776 * spectrum management action = 3 (TPC/Link Measurement report) 4777 * TPC report EID = 35 4778 * TPC report element length = 2 4779 * 4780 * The spectrum management's tpc_report struct is used here both for 4781 * parsing tpc_report and radio measurement's link measurement report 4782 * frame, since the relevant part is identical in both frames. 4783 */ 4784 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 4785 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 4786 return false; 4787 4788 /* both spectrum mgmt and link measurement have same action code */ 4789 if (mgmt->u.action.u.tpc_report.action_code != 4790 WLAN_ACTION_SPCT_TPC_RPRT) 4791 return false; 4792 4793 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 4794 mgmt->u.action.u.tpc_report.tpc_elem_length != 4795 sizeof(struct ieee80211_tpc_report_ie)) 4796 return false; 4797 4798 return true; 4799 } 4800 4801 /** 4802 * ieee80211_is_timing_measurement - check if frame is timing measurement response 4803 * @skb: the SKB to check 4804 * Return: whether or not the frame is a valid timing measurement response 4805 */ 4806 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb) 4807 { 4808 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4809 4810 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 4811 return false; 4812 4813 if (!ieee80211_is_action(mgmt->frame_control)) 4814 return false; 4815 4816 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED && 4817 mgmt->u.action.u.wnm_timing_msr.action_code == 4818 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE && 4819 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr)) 4820 return true; 4821 4822 return false; 4823 } 4824 4825 /** 4826 * ieee80211_is_ftm - check if frame is FTM response 4827 * @skb: the SKB to check 4828 * Return: whether or not the frame is a valid FTM response action frame 4829 */ 4830 static inline bool ieee80211_is_ftm(struct sk_buff *skb) 4831 { 4832 struct ieee80211_mgmt *mgmt = (void *)skb->data; 4833 4834 if (!ieee80211_is_public_action((void *)mgmt, skb->len)) 4835 return false; 4836 4837 if (mgmt->u.action.u.ftm.action_code == 4838 WLAN_PUB_ACTION_FTM_RESPONSE && 4839 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm)) 4840 return true; 4841 4842 return false; 4843 } 4844 4845 struct element { 4846 u8 id; 4847 u8 datalen; 4848 u8 data[]; 4849 } __packed; 4850 4851 /* element iteration helpers */ 4852 #define for_each_element(_elem, _data, _datalen) \ 4853 for (_elem = (const struct element *)(_data); \ 4854 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 4855 (int)sizeof(*_elem) && \ 4856 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 4857 (int)sizeof(*_elem) + _elem->datalen; \ 4858 _elem = (const struct element *)(_elem->data + _elem->datalen)) 4859 4860 #define for_each_element_id(element, _id, data, datalen) \ 4861 for_each_element(element, data, datalen) \ 4862 if (element->id == (_id)) 4863 4864 #define for_each_element_extid(element, extid, _data, _datalen) \ 4865 for_each_element(element, _data, _datalen) \ 4866 if (element->id == WLAN_EID_EXTENSION && \ 4867 element->datalen > 0 && \ 4868 element->data[0] == (extid)) 4869 4870 #define for_each_subelement(sub, element) \ 4871 for_each_element(sub, (element)->data, (element)->datalen) 4872 4873 #define for_each_subelement_id(sub, id, element) \ 4874 for_each_element_id(sub, id, (element)->data, (element)->datalen) 4875 4876 #define for_each_subelement_extid(sub, extid, element) \ 4877 for_each_element_extid(sub, extid, (element)->data, (element)->datalen) 4878 4879 /** 4880 * for_each_element_completed - determine if element parsing consumed all data 4881 * @element: element pointer after for_each_element() or friends 4882 * @data: same data pointer as passed to for_each_element() or friends 4883 * @datalen: same data length as passed to for_each_element() or friends 4884 * Return: %true if all elements were iterated, %false otherwise; see notes 4885 * 4886 * This function returns %true if all the data was parsed or considered 4887 * while walking the elements. Only use this if your for_each_element() 4888 * loop cannot be broken out of, otherwise it always returns %false. 4889 * 4890 * If some data was malformed, this returns %false since the last parsed 4891 * element will not fill the whole remaining data. 4892 */ 4893 static inline bool for_each_element_completed(const struct element *element, 4894 const void *data, size_t datalen) 4895 { 4896 return (const u8 *)element == (const u8 *)data + datalen; 4897 } 4898 4899 /* 4900 * RSNX Capabilities: 4901 * bits 0-3: Field length (n-1) 4902 */ 4903 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) 4904 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5) 4905 4906 /* 4907 * reduced neighbor report, based on Draft P802.11ax_D6.1, 4908 * section 9.4.2.170 and accepted contributions. 4909 */ 4910 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03 4911 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04 4912 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08 4913 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0 4914 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0 4915 #define IEEE80211_TBTT_INFO_TYPE_MLD 1 4916 4917 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01 4918 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02 4919 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04 4920 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08 4921 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10 4922 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20 4923 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40 4924 4925 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127 4926 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 4927 4928 struct ieee80211_neighbor_ap_info { 4929 u8 tbtt_info_hdr; 4930 u8 tbtt_info_len; 4931 u8 op_class; 4932 u8 channel; 4933 } __packed; 4934 4935 enum ieee80211_range_params_max_total_ltf { 4936 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0, 4937 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8, 4938 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16, 4939 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED, 4940 }; 4941 4942 /* 4943 * reduced neighbor report, based on Draft P802.11be_D3.0, 4944 * section 9.4.2.170.2. 4945 */ 4946 struct ieee80211_rnr_mld_params { 4947 u8 mld_id; 4948 __le16 params; 4949 } __packed; 4950 4951 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F 4952 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0 4953 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000 4954 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000 4955 4956 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */ 4957 struct ieee80211_tbtt_info_7_8_9 { 4958 u8 tbtt_offset; 4959 u8 bssid[ETH_ALEN]; 4960 4961 /* The following element is optional, structure may not grow */ 4962 u8 bss_params; 4963 s8 psd_20; 4964 } __packed; 4965 4966 /* Format of the TBTT information element if it has >= 11 bytes */ 4967 struct ieee80211_tbtt_info_ge_11 { 4968 u8 tbtt_offset; 4969 u8 bssid[ETH_ALEN]; 4970 __le32 short_ssid; 4971 4972 /* The following elements are optional, structure may grow */ 4973 u8 bss_params; 4974 s8 psd_20; 4975 struct ieee80211_rnr_mld_params mld_params; 4976 } __packed; 4977 4978 /* multi-link device */ 4979 #define IEEE80211_MLD_MAX_NUM_LINKS 15 4980 4981 #define IEEE80211_ML_CONTROL_TYPE 0x0007 4982 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0 4983 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1 4984 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2 4985 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3 4986 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4 4987 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0 4988 4989 struct ieee80211_multi_link_elem { 4990 __le16 control; 4991 u8 variable[]; 4992 } __packed; 4993 4994 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010 4995 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020 4996 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040 4997 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080 4998 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100 4999 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200 5000 5001 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff 5002 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00 5003 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000 5004 5005 /* 5006 * Described in P802.11be_D3.0 5007 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375) 5008 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0) 5009 * dot11MSDTXOPMAX defaults to 1 5010 */ 5011 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac 5012 5013 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001 5014 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e 5015 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0 5016 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1 5017 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2 5018 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3 5019 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4 5020 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070 5021 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0 5022 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1 5023 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2 5024 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3 5025 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4 5026 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5 5027 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080 5028 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700 5029 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0 5030 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1 5031 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2 5032 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3 5033 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4 5034 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800 5035 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0 5036 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1 5037 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2 5038 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3 5039 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4 5040 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5 5041 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6 5042 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7 5043 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8 5044 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9 5045 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10 5046 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11 5047 5048 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f 5049 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010 5050 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 5051 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0 5052 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 5053 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2 5054 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3 5055 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80 5056 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000 5057 5058 struct ieee80211_mle_basic_common_info { 5059 u8 len; 5060 u8 mld_mac_addr[ETH_ALEN]; 5061 u8 variable[]; 5062 } __packed; 5063 5064 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010 5065 5066 struct ieee80211_mle_preq_common_info { 5067 u8 len; 5068 u8 variable[]; 5069 } __packed; 5070 5071 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010 5072 5073 /* no fixed fields in RECONF */ 5074 5075 struct ieee80211_mle_tdls_common_info { 5076 u8 len; 5077 u8 ap_mld_mac_addr[ETH_ALEN]; 5078 } __packed; 5079 5080 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010 5081 5082 /* no fixed fields in PRIO_ACCESS */ 5083 5084 /** 5085 * ieee80211_mle_common_size - check multi-link element common size 5086 * @data: multi-link element, must already be checked for size using 5087 * ieee80211_mle_size_ok() 5088 * Return: the size of the multi-link element's "common" subfield 5089 */ 5090 static inline u8 ieee80211_mle_common_size(const u8 *data) 5091 { 5092 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5093 u16 control = le16_to_cpu(mle->control); 5094 u8 common = 0; 5095 5096 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) { 5097 case IEEE80211_ML_CONTROL_TYPE_BASIC: 5098 case IEEE80211_ML_CONTROL_TYPE_PREQ: 5099 case IEEE80211_ML_CONTROL_TYPE_TDLS: 5100 case IEEE80211_ML_CONTROL_TYPE_RECONF: 5101 /* 5102 * The length is the first octet pointed by mle->variable so no 5103 * need to add anything 5104 */ 5105 break; 5106 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: 5107 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) 5108 common += ETH_ALEN; 5109 return common; 5110 default: 5111 WARN_ON(1); 5112 return 0; 5113 } 5114 5115 return sizeof(*mle) + common + mle->variable[0]; 5116 } 5117 5118 /** 5119 * ieee80211_mle_get_link_id - returns the link ID 5120 * @data: the basic multi link element 5121 * Return: the link ID, or -1 if not present 5122 * 5123 * The element is assumed to be of the correct type (BASIC) and big enough, 5124 * this must be checked using ieee80211_mle_type_ok(). 5125 */ 5126 static inline int ieee80211_mle_get_link_id(const u8 *data) 5127 { 5128 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5129 u16 control = le16_to_cpu(mle->control); 5130 const u8 *common = mle->variable; 5131 5132 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5133 common += sizeof(struct ieee80211_mle_basic_common_info); 5134 5135 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID)) 5136 return -1; 5137 5138 return *common; 5139 } 5140 5141 /** 5142 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count 5143 * @data: pointer to the basic multi link element 5144 * Return: the BSS Parameter Change Count field value, or -1 if not present 5145 * 5146 * The element is assumed to be of the correct type (BASIC) and big enough, 5147 * this must be checked using ieee80211_mle_type_ok(). 5148 */ 5149 static inline int 5150 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data) 5151 { 5152 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5153 u16 control = le16_to_cpu(mle->control); 5154 const u8 *common = mle->variable; 5155 5156 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5157 common += sizeof(struct ieee80211_mle_basic_common_info); 5158 5159 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)) 5160 return -1; 5161 5162 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5163 common += 1; 5164 5165 return *common; 5166 } 5167 5168 /** 5169 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay 5170 * @data: pointer to the multi-link element 5171 * Return: the medium synchronization delay field value from the multi-link 5172 * element, or the default value (%IEEE80211_MED_SYNC_DELAY_DEFAULT) 5173 * if not present 5174 * 5175 * The element is assumed to be of the correct type (BASIC) and big enough, 5176 * this must be checked using ieee80211_mle_type_ok(). 5177 */ 5178 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data) 5179 { 5180 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5181 u16 control = le16_to_cpu(mle->control); 5182 const u8 *common = mle->variable; 5183 5184 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5185 common += sizeof(struct ieee80211_mle_basic_common_info); 5186 5187 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)) 5188 return IEEE80211_MED_SYNC_DELAY_DEFAULT; 5189 5190 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5191 common += 1; 5192 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5193 common += 1; 5194 5195 return get_unaligned_le16(common); 5196 } 5197 5198 /** 5199 * ieee80211_mle_get_eml_cap - returns the EML capability 5200 * @data: pointer to the multi-link element 5201 * Return: the EML capability field value from the multi-link element, 5202 * or 0 if not present 5203 * 5204 * The element is assumed to be of the correct type (BASIC) and big enough, 5205 * this must be checked using ieee80211_mle_type_ok(). 5206 */ 5207 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data) 5208 { 5209 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5210 u16 control = le16_to_cpu(mle->control); 5211 const u8 *common = mle->variable; 5212 5213 /* common points now at the beginning of ieee80211_mle_basic_common_info */ 5214 common += sizeof(struct ieee80211_mle_basic_common_info); 5215 5216 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)) 5217 return 0; 5218 5219 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5220 common += 1; 5221 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5222 common += 1; 5223 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5224 common += 2; 5225 5226 return get_unaligned_le16(common); 5227 } 5228 5229 /** 5230 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations. 5231 * @data: pointer to the multi-link element 5232 * Return: the MLD capabilities and operations field value from the multi-link 5233 * element, or 0 if not present 5234 * 5235 * The element is assumed to be of the correct type (BASIC) and big enough, 5236 * this must be checked using ieee80211_mle_type_ok(). 5237 */ 5238 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data) 5239 { 5240 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5241 u16 control = le16_to_cpu(mle->control); 5242 const u8 *common = mle->variable; 5243 5244 /* 5245 * common points now at the beginning of 5246 * ieee80211_mle_basic_common_info 5247 */ 5248 common += sizeof(struct ieee80211_mle_basic_common_info); 5249 5250 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)) 5251 return 0; 5252 5253 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5254 common += 1; 5255 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5256 common += 1; 5257 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5258 common += 2; 5259 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5260 common += 2; 5261 5262 return get_unaligned_le16(common); 5263 } 5264 5265 /** 5266 * ieee80211_mle_get_mld_id - returns the MLD ID 5267 * @data: pointer to the multi-link element 5268 * Return: The MLD ID in the given multi-link element, or 0 if not present 5269 * 5270 * The element is assumed to be of the correct type (BASIC) and big enough, 5271 * this must be checked using ieee80211_mle_type_ok(). 5272 */ 5273 static inline u8 ieee80211_mle_get_mld_id(const u8 *data) 5274 { 5275 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5276 u16 control = le16_to_cpu(mle->control); 5277 const u8 *common = mle->variable; 5278 5279 /* 5280 * common points now at the beginning of 5281 * ieee80211_mle_basic_common_info 5282 */ 5283 common += sizeof(struct ieee80211_mle_basic_common_info); 5284 5285 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID)) 5286 return 0; 5287 5288 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5289 common += 1; 5290 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5291 common += 1; 5292 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5293 common += 2; 5294 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5295 common += 2; 5296 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP) 5297 common += 2; 5298 5299 return *common; 5300 } 5301 5302 /** 5303 * ieee80211_mle_size_ok - validate multi-link element size 5304 * @data: pointer to the element data 5305 * @len: length of the containing element 5306 * Return: whether or not the multi-link element size is OK 5307 */ 5308 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len) 5309 { 5310 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5311 u8 fixed = sizeof(*mle); 5312 u8 common = 0; 5313 bool check_common_len = false; 5314 u16 control; 5315 5316 if (!data || len < fixed) 5317 return false; 5318 5319 control = le16_to_cpu(mle->control); 5320 5321 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) { 5322 case IEEE80211_ML_CONTROL_TYPE_BASIC: 5323 common += sizeof(struct ieee80211_mle_basic_common_info); 5324 check_common_len = true; 5325 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID) 5326 common += 1; 5327 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT) 5328 common += 1; 5329 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY) 5330 common += 2; 5331 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA) 5332 common += 2; 5333 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP) 5334 common += 2; 5335 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID) 5336 common += 1; 5337 break; 5338 case IEEE80211_ML_CONTROL_TYPE_PREQ: 5339 common += sizeof(struct ieee80211_mle_preq_common_info); 5340 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID) 5341 common += 1; 5342 check_common_len = true; 5343 break; 5344 case IEEE80211_ML_CONTROL_TYPE_RECONF: 5345 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR) 5346 common += ETH_ALEN; 5347 break; 5348 case IEEE80211_ML_CONTROL_TYPE_TDLS: 5349 common += sizeof(struct ieee80211_mle_tdls_common_info); 5350 check_common_len = true; 5351 break; 5352 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS: 5353 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR) 5354 common += ETH_ALEN; 5355 break; 5356 default: 5357 /* we don't know this type */ 5358 return true; 5359 } 5360 5361 if (len < fixed + common) 5362 return false; 5363 5364 if (!check_common_len) 5365 return true; 5366 5367 /* if present, common length is the first octet there */ 5368 return mle->variable[0] >= common; 5369 } 5370 5371 /** 5372 * ieee80211_mle_type_ok - validate multi-link element type and size 5373 * @data: pointer to the element data 5374 * @type: expected type of the element 5375 * @len: length of the containing element 5376 * Return: whether or not the multi-link element type matches and size is OK 5377 */ 5378 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len) 5379 { 5380 const struct ieee80211_multi_link_elem *mle = (const void *)data; 5381 u16 control; 5382 5383 if (!ieee80211_mle_size_ok(data, len)) 5384 return false; 5385 5386 control = le16_to_cpu(mle->control); 5387 5388 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type) 5389 return true; 5390 5391 return false; 5392 } 5393 5394 enum ieee80211_mle_subelems { 5395 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0, 5396 IEEE80211_MLE_SUBELEM_FRAGMENT = 254, 5397 }; 5398 5399 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f 5400 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010 5401 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020 5402 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040 5403 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080 5404 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100 5405 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200 5406 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400 5407 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800 5408 5409 struct ieee80211_mle_per_sta_profile { 5410 __le16 control; 5411 u8 sta_info_len; 5412 u8 variable[]; 5413 } __packed; 5414 5415 /** 5416 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta 5417 * profile size 5418 * @data: pointer to the sub element data 5419 * @len: length of the containing sub element 5420 * Return: %true if the STA profile is large enough, %false otherwise 5421 */ 5422 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data, 5423 size_t len) 5424 { 5425 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data; 5426 u16 control; 5427 u8 fixed = sizeof(*prof); 5428 u8 info_len = 1; 5429 5430 if (len < fixed) 5431 return false; 5432 5433 control = le16_to_cpu(prof->control); 5434 5435 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT) 5436 info_len += 6; 5437 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT) 5438 info_len += 2; 5439 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT) 5440 info_len += 8; 5441 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT) 5442 info_len += 2; 5443 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE && 5444 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) { 5445 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) 5446 info_len += 2; 5447 else 5448 info_len += 1; 5449 } 5450 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT) 5451 info_len += 1; 5452 5453 return prof->sta_info_len >= info_len && 5454 fixed + prof->sta_info_len - 1 <= len; 5455 } 5456 5457 /** 5458 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS 5459 * parameter change count 5460 * @prof: the per-STA profile, having been checked with 5461 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length 5462 * 5463 * Return: The BSS parameter change count value if present, 0 otherwise. 5464 */ 5465 static inline u8 5466 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof) 5467 { 5468 u16 control = le16_to_cpu(prof->control); 5469 const u8 *pos = prof->variable; 5470 5471 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)) 5472 return 0; 5473 5474 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT) 5475 pos += 6; 5476 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT) 5477 pos += 2; 5478 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT) 5479 pos += 8; 5480 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT) 5481 pos += 2; 5482 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE && 5483 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) { 5484 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) 5485 pos += 2; 5486 else 5487 pos += 1; 5488 } 5489 5490 return *pos; 5491 } 5492 5493 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f 5494 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010 5495 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020 5496 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040 5497 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780 5498 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800 5499 5500 /** 5501 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link 5502 * element sta profile size. 5503 * @data: pointer to the sub element data 5504 * @len: length of the containing sub element 5505 * Return: %true if the STA profile is large enough, %false otherwise 5506 */ 5507 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data, 5508 size_t len) 5509 { 5510 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data; 5511 u16 control; 5512 u8 fixed = sizeof(*prof); 5513 u8 info_len = 1; 5514 5515 if (len < fixed) 5516 return false; 5517 5518 control = le16_to_cpu(prof->control); 5519 5520 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT) 5521 info_len += ETH_ALEN; 5522 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT) 5523 info_len += 2; 5524 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT) 5525 info_len += 2; 5526 5527 return prof->sta_info_len >= info_len && 5528 fixed + prof->sta_info_len - 1 <= len; 5529 } 5530 5531 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len) 5532 { 5533 const struct ieee80211_ttlm_elem *t2l = (const void *)data; 5534 u8 control, fixed = sizeof(*t2l), elem_len = 0; 5535 5536 if (len < fixed) 5537 return false; 5538 5539 control = t2l->control; 5540 5541 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT) 5542 elem_len += 2; 5543 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT) 5544 elem_len += 3; 5545 5546 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) { 5547 u8 bm_size; 5548 5549 elem_len += 1; 5550 if (len < fixed + elem_len) 5551 return false; 5552 5553 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE) 5554 bm_size = 1; 5555 else 5556 bm_size = 2; 5557 5558 elem_len += hweight8(t2l->optional[0]) * bm_size; 5559 } 5560 5561 return len >= fixed + elem_len; 5562 } 5563 5564 #define for_each_mle_subelement(_elem, _data, _len) \ 5565 if (ieee80211_mle_size_ok(_data, _len)) \ 5566 for_each_element(_elem, \ 5567 _data + ieee80211_mle_common_size(_data),\ 5568 _len - ieee80211_mle_common_size(_data)) 5569 5570 #endif /* LINUX_IEEE80211_H */ 5571