1 /*- 2 * Copyright (c) 2020-2023 The FreeBSD Foundation 3 * 4 * This software was developed by Björn Zeeb under sponsorship from 5 * the FreeBSD Foundation. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _LINUXKPI_LINUX_IEEE80211_H 30 #define _LINUXKPI_LINUX_IEEE80211_H 31 32 #include <sys/types.h> 33 #include <net80211/ieee80211.h> 34 35 #include <asm/unaligned.h> 36 #include <linux/bitops.h> 37 #include <linux/if_ether.h> 38 39 40 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 41 struct ieee80211_mmie_16 { 42 uint8_t element_id; 43 uint8_t length; 44 uint16_t key_id; 45 uint8_t ipn[6]; 46 uint8_t mic[16]; 47 }; 48 49 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 50 #define IEEE80211_CCMP_PN_LEN 6 51 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 52 #define IEEE80211_CCMP_256_HDR_LEN 8 53 #define IEEE80211_CCMP_256_MIC_LEN 16 54 #define IEEE80211_GCMP_HDR_LEN 8 55 #define IEEE80211_GCMP_MIC_LEN 16 56 #define IEEE80211_GCMP_PN_LEN 6 57 #define IEEE80211_GMAC_PN_LEN 6 58 59 #define IEEE80211_MAX_PN_LEN 16 60 61 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 62 63 #define IEEE80211_MAX_AMPDU_BUF_HT IEEE80211_AGGR_BAWMAX 64 #define IEEE80211_MAX_AMPDU_BUF_HE 256 65 #define IEEE80211_MAX_AMPDU_BUF_EHT 1024 66 67 #define IEEE80211_MAX_FRAME_LEN 2352 68 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 69 70 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 71 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 72 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 73 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 74 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 75 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 76 77 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 78 79 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 80 81 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 82 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 83 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 84 85 /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ 86 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 87 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 88 #define IEEE80211_QOS_CTL_EOSP 0x0010 89 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 90 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 91 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 92 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 93 94 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) 95 96 enum ieee80211_rate_control_changed_flags { 97 IEEE80211_RC_BW_CHANGED = BIT(0), 98 IEEE80211_RC_NSS_CHANGED = BIT(1), 99 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 100 IEEE80211_RC_SMPS_CHANGED = BIT(3), 101 }; 102 103 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 104 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 105 106 #define IEEE80211_TKIP_ICV_LEN 4 107 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 108 109 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ 110 111 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 112 113 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 114 #define IEEE80211_WEP_ICV_LEN 4 115 116 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 117 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 118 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 119 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 120 121 enum wlan_ht_cap_sm_ps { 122 WLAN_HT_CAP_SM_PS_STATIC = 0, 123 WLAN_HT_CAP_SM_PS_DYNAMIC, 124 WLAN_HT_CAP_SM_PS_INVALID, 125 WLAN_HT_CAP_SM_PS_DISABLED, 126 }; 127 128 #define WLAN_MAX_KEY_LEN 32 /* TODO FIXME brcmfmac */ 129 #define WLAN_PMKID_LEN 16 /* TODO FIXME brcmfmac */ 130 131 #define WLAN_KEY_LEN_WEP40 5 132 #define WLAN_KEY_LEN_WEP104 13 133 #define WLAN_KEY_LEN_TKIP 32 134 #define WLAN_KEY_LEN_CCMP 16 135 #define WLAN_KEY_LEN_GCMP 16 136 #define WLAN_KEY_LEN_GCMP_256 32 137 138 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 139 enum ieee80211_min_mpdu_start_spacing { 140 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 141 #if 0 142 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 143 #endif 144 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 us */ 145 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 146 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 147 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 148 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 149 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 150 }; 151 152 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 153 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 154 155 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 156 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 157 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 158 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 159 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 160 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 161 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 162 #define IEEE80211_FCTL_PM (IEEE80211_FC1_PWR_MGT << 8) 163 164 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 165 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 166 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 167 168 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 169 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 170 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 171 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 172 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 173 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 174 #define IEEE80211_STYPE_CTS IEEE80211_FC0_SUBTYPE_CTS 175 #define IEEE80211_STYPE_RTS IEEE80211_FC0_SUBTYPE_RTS 176 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 177 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 178 #define IEEE80211_STYPE_QOS_NULLFUNC IEEE80211_FC0_SUBTYPE_QOS_NULL 179 #define IEEE80211_STYPE_QOS_CFACK 0xd0 /* XXX-BZ reserved? */ 180 181 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 182 183 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 184 185 186 /* Figure 9-27, BAR Control field */ 187 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 188 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 189 190 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 191 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 192 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 193 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 194 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 195 196 #define IEEE80211_HT_OP_MODE_PROTECTION 0x03 /* MASK */ 197 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0x00 198 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 0x01 199 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 0x02 200 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 0x03 201 202 203 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 204 enum ieee80211_tdls_action_code { 205 WLAN_TDLS_SETUP_REQUEST = 0, 206 WLAN_TDLS_SETUP_RESPONSE = 1, 207 WLAN_TDLS_SETUP_CONFIRM = 2, 208 WLAN_TDLS_TEARDOWN = 3, 209 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 210 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 211 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 212 WLAN_TDLS_PEER_PSM_REQUEST = 7, 213 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 214 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 215 WLAN_TDLS_DISCOVERY_REQUEST = 10, 216 /* 11-255 reserved */ 217 }; 218 219 /* 802.11-2020 9.4.2.26, Table 9-153. Extended Capabilities field. */ 220 /* This is split up into octets CAPA1 = octet 1, ... */ 221 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 222 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 223 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(23 % 8) 224 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 225 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(63 % 8) 226 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(64 % 8) 227 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(77 % 8) 228 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(78 % 8) 229 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(79 % 8) 230 231 #define WLAN_EXT_CAPA11_EMA_SUPPORT 0x00 /* XXX TODO FIXME */ 232 233 234 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 235 /* Would be so much easier if we'd define constants to the same. */ 236 enum ieee80211_ac_numbers { 237 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 238 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 239 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 240 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 241 }; 242 243 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 244 245 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 246 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 247 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 248 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 249 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 250 251 252 /* XXX net80211 calls these IEEE80211_HTCAP_* */ 253 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 /* IEEE80211_HTCAP_LDPC */ 254 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 /* IEEE80211_HTCAP_CHWIDTH40 */ 255 #define IEEE80211_HT_CAP_SM_PS 0x000c /* IEEE80211_HTCAP_SMPS */ 256 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 257 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 /* IEEE80211_HTCAP_GREENFIELD */ 258 #define IEEE80211_HT_CAP_SGI_20 0x0020 /* IEEE80211_HTCAP_SHORTGI20 */ 259 #define IEEE80211_HT_CAP_SGI_40 0x0040 /* IEEE80211_HTCAP_SHORTGI40 */ 260 #define IEEE80211_HT_CAP_TX_STBC 0x0080 /* IEEE80211_HTCAP_TXSTBC */ 261 #define IEEE80211_HT_CAP_RX_STBC 0x0100 /* IEEE80211_HTCAP_RXSTBC */ 262 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 /* IEEE80211_HTCAP_RXSTBC_S */ 263 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 /* IEEE80211_HTCAP_MAXAMSDU */ 264 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 /* IEEE80211_HTCAP_DSSSCCK40 */ 265 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 /* IEEE80211_HTCAP_LSIGTXOPPROT */ 266 267 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 268 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 269 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 270 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 271 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 272 #define IEEE80211_HT_MCS_MASK_LEN 10 273 274 #define IEEE80211_MLD_MAX_NUM_LINKS 15 275 276 struct ieee80211_mcs_info { 277 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 278 uint16_t rx_highest; 279 uint8_t tx_params; 280 uint8_t __reserved[3]; 281 }; 282 283 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 284 struct ieee80211_ht_cap { 285 uint16_t cap_info; 286 uint8_t ampdu_params_info; 287 struct ieee80211_mcs_info mcs; 288 uint16_t extended_ht_cap_info; 289 uint32_t tx_BF_cap_info; 290 uint8_t antenna_selection_info; 291 }; 292 293 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 294 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 295 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 296 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 297 298 enum ieee80211_ht_max_ampdu_len { 299 IEEE80211_HT_MAX_AMPDU_64K 300 }; 301 302 enum ieee80211_ampdu_mlme_action { 303 IEEE80211_AMPDU_RX_START, 304 IEEE80211_AMPDU_RX_STOP, 305 IEEE80211_AMPDU_TX_OPERATIONAL, 306 IEEE80211_AMPDU_TX_START, 307 IEEE80211_AMPDU_TX_STOP_CONT, 308 IEEE80211_AMPDU_TX_STOP_FLUSH, 309 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 310 }; 311 312 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 313 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 314 315 enum ieee80211_chanctx_switch_mode { 316 CHANCTX_SWMODE_REASSIGN_VIF, 317 CHANCTX_SWMODE_SWAP_CONTEXTS, 318 }; 319 320 enum ieee80211_chanctx_change_flags { 321 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 322 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 323 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 324 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 325 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 326 }; 327 328 enum ieee80211_frame_release_type { 329 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 330 IEEE80211_FRAME_RELEASE_UAPSD = 2, 331 }; 332 333 enum ieee80211_p2p_attr_ids { 334 IEEE80211_P2P_ATTR_DEVICE_ID, 335 IEEE80211_P2P_ATTR_DEVICE_INFO, 336 IEEE80211_P2P_ATTR_GROUP_ID, 337 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 338 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 339 }; 340 341 enum ieee80211_reconfig_type { 342 IEEE80211_RECONFIG_TYPE_RESTART, 343 IEEE80211_RECONFIG_TYPE_SUSPEND, 344 }; 345 346 enum ieee80211_roc_type { 347 IEEE80211_ROC_TYPE_MGMT_TX, 348 IEEE80211_ROC_TYPE_NORMAL, 349 }; 350 351 enum ieee80211_smps_mode { 352 IEEE80211_SMPS_OFF, 353 IEEE80211_SMPS_STATIC, 354 IEEE80211_SMPS_DYNAMIC, 355 IEEE80211_SMPS_AUTOMATIC, 356 IEEE80211_SMPS_NUM_MODES, 357 }; 358 359 /* net80211::IEEE80211_S_* different but represents the state machine. */ 360 /* Note: order here is important! */ 361 enum ieee80211_sta_state { 362 IEEE80211_STA_NOTEXIST = 0, 363 IEEE80211_STA_NONE = 1, 364 IEEE80211_STA_AUTH = 2, 365 IEEE80211_STA_ASSOC = 3, 366 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 367 }; 368 369 enum ieee80211_sta_rx_bw { 370 IEEE80211_STA_RX_BW_20, 371 IEEE80211_STA_RX_BW_40, 372 IEEE80211_STA_RX_BW_80, 373 IEEE80211_STA_RX_BW_160, 374 IEEE80211_STA_RX_BW_320, 375 }; 376 377 enum ieee80211_tx_info_flags { 378 /* XXX TODO .. right shift numbers - not sure where that came from? */ 379 IEEE80211_TX_CTL_AMPDU = BIT(0), 380 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 381 IEEE80211_TX_CTL_NO_ACK = BIT(2), 382 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 383 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 384 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 385 IEEE80211_TX_STATUS_EOSP = BIT(6), 386 IEEE80211_TX_STAT_ACK = BIT(7), 387 IEEE80211_TX_STAT_AMPDU = BIT(8), 388 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 389 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 390 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 391 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 392 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 393 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 394 IEEE80211_TX_CTL_INJECTED = BIT(15), 395 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 396 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 397 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 398 IEEE80211_TX_CTL_LDPC = BIT(19), 399 IEEE80211_TX_CTL_STBC = BIT(20), 400 }; 401 402 enum ieee80211_tx_status_flags { 403 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 404 }; 405 406 enum ieee80211_tx_control_flags { 407 /* XXX TODO .. right shift numbers */ 408 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 409 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 410 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 411 IEEE80211_TX_CTRL_MLO_LINK = 0xF0000000, /* This is IEEE80211_LINK_UNSPECIFIED on the high bits. */ 412 }; 413 414 enum ieee80211_tx_rate_flags { 415 /* XXX TODO .. right shift numbers */ 416 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 417 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 418 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 419 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 420 IEEE80211_TX_RC_MCS = BIT(4), 421 IEEE80211_TX_RC_SHORT_GI = BIT(5), 422 IEEE80211_TX_RC_VHT_MCS = BIT(6), 423 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 424 }; 425 426 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 427 428 #define IEEE80211_HT_CTL_LEN 4 429 430 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 431 __le16 frame_control; 432 __le16 duration_id; 433 uint8_t addr1[ETH_ALEN]; 434 uint8_t addr2[ETH_ALEN]; 435 uint8_t addr3[ETH_ALEN]; 436 __le16 seq_ctrl; 437 uint8_t addr4[ETH_ALEN]; 438 }; 439 440 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 441 __le16 frame_control; 442 __le16 duration_id; 443 uint8_t addr1[ETH_ALEN]; 444 uint8_t addr2[ETH_ALEN]; 445 uint8_t addr3[ETH_ALEN]; 446 __le16 seq_ctrl; 447 }; 448 449 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 450 __le16 frame_control; 451 __le16 duration_id; 452 uint8_t addr1[ETH_ALEN]; 453 uint8_t addr2[ETH_ALEN]; 454 uint8_t addr3[ETH_ALEN]; 455 __le16 seq_ctrl; 456 __le16 qos_ctrl; 457 }; 458 459 struct ieee80211_vendor_ie { 460 }; 461 462 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 463 enum ieee80211_back { 464 WLAN_ACTION_ADDBA_REQ = 0, 465 }; 466 467 /* 802.11-2020, Table 9-51-Category values */ 468 enum ieee80211_category { 469 WLAN_CATEGORY_BACK = 3, 470 }; 471 472 /* 80211-2020 9.3.3.2 Format of Management frames */ 473 struct ieee80211_mgmt { 474 __le16 frame_control; 475 __le16 duration_id; 476 uint8_t da[ETH_ALEN]; 477 uint8_t sa[ETH_ALEN]; 478 uint8_t bssid[ETH_ALEN]; 479 __le16 seq_ctrl; 480 union { 481 /* 9.3.3.3 Beacon frame format */ 482 struct { 483 uint64_t timestamp; 484 uint16_t beacon_int; 485 uint16_t capab_info; 486 uint8_t variable[0]; 487 } beacon; 488 /* 9.3.3.10 Probe Request frame format */ 489 struct { 490 uint8_t variable[0]; 491 } probe_req; 492 /* 9.3.3.11 Probe Response frame format */ 493 struct { 494 uint64_t timestamp; 495 uint16_t beacon_int; 496 uint16_t capab_info; 497 uint8_t variable[0]; 498 } probe_resp; 499 /* 9.3.3.14 Action frame format */ 500 struct { 501 /* 9.4.1.11 Action field */ 502 uint8_t category; 503 /* 9.6.8 Public Action details */ 504 union { 505 /* 9.6.2.5 TPC Report frame format */ 506 struct { 507 uint8_t spec_mgmt; 508 uint8_t dialog_token; 509 /* uint32_t tpc_rep_elem:: */ 510 uint8_t tpc_elem_id; 511 uint8_t tpc_elem_length; 512 uint8_t tpc_elem_tx_power; 513 uint8_t tpc_elem_link_margin; 514 } tpc_report; 515 /* 9.6.8.33 Fine Timing Measurement frame format */ 516 struct { 517 uint8_t dialog_token; 518 uint8_t follow_up; 519 uint8_t tod[6]; 520 uint8_t toa[6]; 521 uint16_t tod_error; 522 uint16_t toa_error; 523 uint8_t variable[0]; 524 } ftm; 525 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 526 struct { 527 uint8_t action_code; 528 uint8_t dialog_token; 529 uint16_t capab; 530 uint16_t timeout; 531 uint16_t start_seq_num; 532 /* Optional follows... */ 533 uint8_t variable[0]; 534 } addba_req; 535 /* XXX */ 536 struct { 537 uint8_t dialog_token; 538 } wnm_timing_msr; 539 } u; 540 } action; 541 } u; 542 }; 543 544 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 545 __le16 frame_control; 546 __le16 duration; 547 uint8_t ra[ETH_ALEN]; 548 } __packed; 549 550 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 551 __le16 frame_control; 552 __le16 duration; 553 uint8_t ra[ETH_ALEN]; 554 uint8_t ta[ETH_ALEN]; 555 } __packed; 556 557 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 558 #define DBI_TO_MBI(_g) ((_g) * 100) 559 #define MBI_TO_DBI(_x) ((_x) / 100) 560 #define DBM_TO_MBM(_g) ((_g) * 100) 561 #define MBM_TO_DBM(_x) ((_x) / 100) 562 563 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 564 IEEE80211_SEQ_SEQ_SHIFT) 565 566 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 567 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 568 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 569 570 /* 9.4.2.21.1, Table 9-82. */ 571 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 572 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 573 574 /* 9.4.2.1, Table 9-77. Element IDs. */ 575 enum ieee80211_eid { 576 WLAN_EID_SSID = 0, 577 WLAN_EID_SUPP_RATES = 1, 578 WLAN_EID_DS_PARAMS = 3, 579 WLAN_EID_TIM = 5, 580 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 581 WLAN_EID_REQUEST = 10, 582 WLAN_EID_CHANNEL_SWITCH = 37, 583 WLAN_EID_MEASURE_REPORT = 39, 584 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 585 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 586 WLAN_EID_EXT_SUPP_RATES = 50, 587 WLAN_EID_EXT_NON_INHERITANCE = 56, 588 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 589 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 590 WLAN_EID_MULTI_BSSID_IDX = 85, 591 WLAN_EID_EXT_CAPABILITY = 127, 592 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 593 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 594 }; 595 596 enum ieee80211_eid_ext { 597 WLAN_EID_EXT_HE_CAPABILITY = 35, 598 }; 599 600 #define for_each_element(_elem, _data, _len) \ 601 for (_elem = (const struct element *)(_data); \ 602 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 603 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 604 _elem = (const struct element *)(_elem->data + _elem->datalen)) 605 606 #define for_each_element_id(_elem, _eid, _data, _len) \ 607 for_each_element(_elem, _data, _len) \ 608 if (_elem->id == (_eid)) 609 610 /* 9.4.1.7, Table 9-45. Reason codes. */ 611 enum ieee80211_reason_code { 612 /* reserved = 0, */ 613 WLAN_REASON_UNSPECIFIED = 1, 614 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 615 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 616 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 617 }; 618 619 /* 9.4.1.9, Table 9-46. Status codes. */ 620 enum ieee80211_status_code { 621 WLAN_STATUS_SUCCESS = 0, 622 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 623 }; 624 625 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 626 struct ieee80211_trigger { 627 __le16 frame_control; 628 __le16 duration_id; 629 uint8_t ra[ETH_ALEN]; 630 uint8_t ta[ETH_ALEN]; 631 __le64 common_info; /* 8+ really */ 632 uint8_t variable[]; 633 }; 634 635 /* Table 9-29c-Trigger Type subfield encoding */ 636 enum { 637 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 638 #if 0 639 /* Not seen yet. */ 640 BFRP = 0x1, 641 MU-BAR = 0x2, 642 MU-RTS = 0x3, 643 BSRP = 0x4, 644 GCR MU-BAR = 0x5, 645 BQRP = 0x6, 646 NFRP = 0x7, 647 /* 0x8..0xf reserved */ 648 #endif 649 IEEE80211_TRIGGER_TYPE_MASK = 0xf 650 }; 651 652 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 653 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 654 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 655 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 656 657 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 658 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 659 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 660 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 661 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 662 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 663 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 664 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 665 666 struct ieee80211_twt_params { 667 int mantissa, min_twt_dur, twt; 668 uint16_t req_type; 669 }; 670 671 struct ieee80211_twt_setup { 672 int control; 673 struct ieee80211_twt_params *params; 674 }; 675 676 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 677 enum ieee80211_twt_setup_cmd { 678 TWT_SETUP_CMD_REQUEST = 0, 679 TWT_SETUP_CMD_SUGGEST = 1, 680 /* DEMAND = 2, */ 681 /* GROUPING = 3, */ 682 TWT_SETUP_CMD_ACCEPT = 4, 683 /* ALTERNATE = 5 */ 684 TWT_SETUP_CMD_DICTATE = 6, 685 TWT_SETUP_CMD_REJECT = 7, 686 }; 687 688 struct ieee80211_bssid_index { 689 int bssid_index; 690 }; 691 692 enum ieee80211_reg_ap_power { 693 IEEE80211_REG_LPI_AP, 694 IEEE80211_REG_SP_AP, 695 IEEE80211_REG_VLP_AP, 696 }; 697 698 /* net80211: IEEE80211_IS_CTL() */ 699 static __inline bool 700 ieee80211_is_ctl(__le16 fc) 701 { 702 __le16 v; 703 704 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 705 v = htole16(IEEE80211_FC0_TYPE_CTL); 706 707 return (fc == v); 708 } 709 710 /* net80211: IEEE80211_IS_DATA() */ 711 static __inline bool 712 ieee80211_is_data(__le16 fc) 713 { 714 __le16 v; 715 716 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 717 v = htole16(IEEE80211_FC0_TYPE_DATA); 718 719 return (fc == v); 720 } 721 722 /* net80211: IEEE80211_IS_QOSDATA() */ 723 static __inline bool 724 ieee80211_is_data_qos(__le16 fc) 725 { 726 __le16 v; 727 728 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 729 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 730 731 return (fc == v); 732 } 733 734 /* net80211: IEEE80211_IS_MGMT() */ 735 static __inline bool 736 ieee80211_is_mgmt(__le16 fc) 737 { 738 __le16 v; 739 740 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 741 v = htole16(IEEE80211_FC0_TYPE_MGT); 742 743 return (fc == v); 744 } 745 746 747 /* Derived from net80211::ieee80211_anyhdrsize. */ 748 static __inline unsigned int 749 ieee80211_hdrlen(__le16 fc) 750 { 751 unsigned int size; 752 753 if (ieee80211_is_ctl(fc)) { 754 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 755 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 756 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 757 return sizeof(struct ieee80211_frame_ack); 758 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 759 return sizeof(struct ieee80211_frame_bar); 760 } 761 return (sizeof(struct ieee80211_frame_min)); 762 } 763 764 size = sizeof(struct ieee80211_frame); 765 if (ieee80211_is_data(fc)) { 766 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 767 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 768 size += IEEE80211_ADDR_LEN; 769 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 770 IEEE80211_FC0_TYPE_MASK)) == 771 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 772 IEEE80211_FC0_TYPE_DATA)) 773 size += sizeof(uint16_t); 774 } 775 776 if (ieee80211_is_mgmt(fc)) { 777 #ifdef __notyet__ 778 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 779 __func__, fc, size); 780 #endif 781 ; 782 } 783 784 return (size); 785 } 786 787 static inline bool 788 ieee80211_is_trigger(__le16 fc) 789 { 790 __le16 v; 791 792 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 793 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 794 795 return (fc == v); 796 } 797 798 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 799