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_AES_CMAC 16 137 #define WLAN_KEY_LEN_GCMP_256 32 138 #define WLAN_KEY_LEN_BIP_CMAC_256 32 139 #define WLAN_KEY_LEN_BIP_GMAC_128 16 140 #define WLAN_KEY_LEN_BIP_GMAC_256 32 141 142 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 143 enum ieee80211_min_mpdu_start_spacing { 144 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 145 #if 0 146 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 147 #endif 148 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 us */ 149 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 150 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 151 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 152 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 153 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 154 }; 155 156 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 157 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 158 159 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 160 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 161 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 162 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 163 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 164 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 165 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 166 #define IEEE80211_FCTL_PM (IEEE80211_FC1_PWR_MGT << 8) 167 168 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 169 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 170 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 171 172 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 173 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 174 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 175 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 176 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 177 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 178 #define IEEE80211_STYPE_CTS IEEE80211_FC0_SUBTYPE_CTS 179 #define IEEE80211_STYPE_RTS IEEE80211_FC0_SUBTYPE_RTS 180 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 181 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 182 #define IEEE80211_STYPE_QOS_NULLFUNC IEEE80211_FC0_SUBTYPE_QOS_NULL 183 #define IEEE80211_STYPE_QOS_CFACK 0xd0 /* XXX-BZ reserved? */ 184 185 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 186 187 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 188 189 190 /* Figure 9-27, BAR Control field */ 191 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 192 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 193 194 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 195 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 196 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 197 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 198 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 199 200 /* 802.11-2012, Table 8-130-HT Operation element fields and subfields, HT Protection */ 201 #define IEEE80211_HT_OP_MODE_PROTECTION IEEE80211_HTINFO_OPMODE /* Mask. */ 202 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE IEEE80211_HTINFO_OPMODE_PURE /* No protection */ 203 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER IEEE80211_HTINFO_OPMODE_PROTOPT /* Nonmember protection */ 204 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ IEEE80211_HTINFO_OPMODE_HT20PR /* 20 MHz protection */ 205 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED IEEE80211_HTINFO_OPMODE_MIXED /* Non-HT mixed */ 206 207 208 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 209 enum ieee80211_tdls_action_code { 210 WLAN_TDLS_SETUP_REQUEST = 0, 211 WLAN_TDLS_SETUP_RESPONSE = 1, 212 WLAN_TDLS_SETUP_CONFIRM = 2, 213 WLAN_TDLS_TEARDOWN = 3, 214 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 215 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 216 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 217 WLAN_TDLS_PEER_PSM_REQUEST = 7, 218 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 219 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 220 WLAN_TDLS_DISCOVERY_REQUEST = 10, 221 /* 11-255 reserved */ 222 }; 223 224 /* 802.11-2020 9.4.2.26, Table 9-153. Extended Capabilities field. */ 225 /* This is split up into octets CAPA1 = octet 1, ... */ 226 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 227 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 228 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(23 % 8) 229 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 230 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(63 % 8) 231 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(64 % 8) 232 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(77 % 8) 233 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(78 % 8) 234 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(79 % 8) 235 236 #define WLAN_EXT_CAPA11_EMA_SUPPORT 0x00 /* XXX TODO FIXME */ 237 238 239 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 240 /* Would be so much easier if we'd define constants to the same. */ 241 enum ieee80211_ac_numbers { 242 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 243 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 244 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 245 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 246 }; 247 248 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 249 250 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 251 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 252 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 253 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 254 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 255 256 257 /* XXX net80211 calls these IEEE80211_HTCAP_* */ 258 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 /* IEEE80211_HTCAP_LDPC */ 259 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 /* IEEE80211_HTCAP_CHWIDTH40 */ 260 #define IEEE80211_HT_CAP_SM_PS 0x000c /* IEEE80211_HTCAP_SMPS */ 261 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 262 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 /* IEEE80211_HTCAP_GREENFIELD */ 263 #define IEEE80211_HT_CAP_SGI_20 0x0020 /* IEEE80211_HTCAP_SHORTGI20 */ 264 #define IEEE80211_HT_CAP_SGI_40 0x0040 /* IEEE80211_HTCAP_SHORTGI40 */ 265 #define IEEE80211_HT_CAP_TX_STBC 0x0080 /* IEEE80211_HTCAP_TXSTBC */ 266 #define IEEE80211_HT_CAP_RX_STBC 0x0100 /* IEEE80211_HTCAP_RXSTBC */ 267 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 /* IEEE80211_HTCAP_RXSTBC_S */ 268 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 /* IEEE80211_HTCAP_MAXAMSDU */ 269 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 /* IEEE80211_HTCAP_DSSSCCK40 */ 270 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 /* IEEE80211_HTCAP_LSIGTXOPPROT */ 271 272 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 273 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 274 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 275 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 276 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 277 #define IEEE80211_HT_MCS_MASK_LEN 10 278 279 #define IEEE80211_MLD_MAX_NUM_LINKS 15 280 281 struct ieee80211_mcs_info { 282 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 283 uint16_t rx_highest; 284 uint8_t tx_params; 285 uint8_t __reserved[3]; 286 }; 287 288 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 289 struct ieee80211_ht_cap { 290 uint16_t cap_info; 291 uint8_t ampdu_params_info; 292 struct ieee80211_mcs_info mcs; 293 uint16_t extended_ht_cap_info; 294 uint32_t tx_BF_cap_info; 295 uint8_t antenna_selection_info; 296 }; 297 298 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 299 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 300 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 301 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 302 303 enum ieee80211_ht_max_ampdu_len { 304 IEEE80211_HT_MAX_AMPDU_64K 305 }; 306 307 enum ieee80211_ampdu_mlme_action { 308 IEEE80211_AMPDU_RX_START, 309 IEEE80211_AMPDU_RX_STOP, 310 IEEE80211_AMPDU_TX_OPERATIONAL, 311 IEEE80211_AMPDU_TX_START, 312 IEEE80211_AMPDU_TX_STOP_CONT, 313 IEEE80211_AMPDU_TX_STOP_FLUSH, 314 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 315 }; 316 317 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 318 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 319 320 enum ieee80211_chanctx_switch_mode { 321 CHANCTX_SWMODE_REASSIGN_VIF, 322 CHANCTX_SWMODE_SWAP_CONTEXTS, 323 }; 324 325 enum ieee80211_chanctx_change_flags { 326 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 327 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 328 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 329 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 330 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 331 }; 332 333 enum ieee80211_frame_release_type { 334 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 335 IEEE80211_FRAME_RELEASE_UAPSD = 2, 336 }; 337 338 enum ieee80211_p2p_attr_ids { 339 IEEE80211_P2P_ATTR_DEVICE_ID, 340 IEEE80211_P2P_ATTR_DEVICE_INFO, 341 IEEE80211_P2P_ATTR_GROUP_ID, 342 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 343 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 344 }; 345 346 enum ieee80211_reconfig_type { 347 IEEE80211_RECONFIG_TYPE_RESTART, 348 IEEE80211_RECONFIG_TYPE_SUSPEND, 349 }; 350 351 enum ieee80211_roc_type { 352 IEEE80211_ROC_TYPE_MGMT_TX, 353 IEEE80211_ROC_TYPE_NORMAL, 354 }; 355 356 enum ieee80211_smps_mode { 357 IEEE80211_SMPS_OFF, 358 IEEE80211_SMPS_STATIC, 359 IEEE80211_SMPS_DYNAMIC, 360 IEEE80211_SMPS_AUTOMATIC, 361 IEEE80211_SMPS_NUM_MODES, 362 }; 363 364 /* net80211::IEEE80211_S_* different but represents the state machine. */ 365 /* Note: order here is important! */ 366 enum ieee80211_sta_state { 367 IEEE80211_STA_NOTEXIST = 0, 368 IEEE80211_STA_NONE = 1, 369 IEEE80211_STA_AUTH = 2, 370 IEEE80211_STA_ASSOC = 3, 371 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 372 }; 373 374 enum ieee80211_sta_rx_bw { 375 IEEE80211_STA_RX_BW_20, 376 IEEE80211_STA_RX_BW_40, 377 IEEE80211_STA_RX_BW_80, 378 IEEE80211_STA_RX_BW_160, 379 IEEE80211_STA_RX_BW_320, 380 }; 381 382 enum ieee80211_tx_info_flags { 383 /* XXX TODO .. right shift numbers - not sure where that came from? */ 384 IEEE80211_TX_CTL_AMPDU = BIT(0), 385 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 386 IEEE80211_TX_CTL_NO_ACK = BIT(2), 387 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 388 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 389 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 390 IEEE80211_TX_STATUS_EOSP = BIT(6), 391 IEEE80211_TX_STAT_ACK = BIT(7), 392 IEEE80211_TX_STAT_AMPDU = BIT(8), 393 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 394 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 395 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 396 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 397 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 398 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 399 IEEE80211_TX_CTL_INJECTED = BIT(15), 400 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 401 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 402 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 403 IEEE80211_TX_CTL_LDPC = BIT(19), 404 IEEE80211_TX_CTL_STBC = BIT(20), 405 }; 406 407 enum ieee80211_tx_status_flags { 408 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 409 }; 410 411 enum ieee80211_tx_control_flags { 412 /* XXX TODO .. right shift numbers */ 413 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 414 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 415 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 416 IEEE80211_TX_CTRL_MLO_LINK = 0xF0000000, /* This is IEEE80211_LINK_UNSPECIFIED on the high bits. */ 417 }; 418 419 enum ieee80211_tx_rate_flags { 420 /* XXX TODO .. right shift numbers */ 421 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 422 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 423 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 424 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 425 IEEE80211_TX_RC_MCS = BIT(4), 426 IEEE80211_TX_RC_SHORT_GI = BIT(5), 427 IEEE80211_TX_RC_VHT_MCS = BIT(6), 428 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 429 }; 430 431 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 432 433 #define IEEE80211_HT_CTL_LEN 4 434 435 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 436 __le16 frame_control; 437 __le16 duration_id; 438 uint8_t addr1[ETH_ALEN]; 439 uint8_t addr2[ETH_ALEN]; 440 uint8_t addr3[ETH_ALEN]; 441 __le16 seq_ctrl; 442 uint8_t addr4[ETH_ALEN]; 443 }; 444 445 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 446 __le16 frame_control; 447 __le16 duration_id; 448 uint8_t addr1[ETH_ALEN]; 449 uint8_t addr2[ETH_ALEN]; 450 uint8_t addr3[ETH_ALEN]; 451 __le16 seq_ctrl; 452 }; 453 454 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 455 __le16 frame_control; 456 __le16 duration_id; 457 uint8_t addr1[ETH_ALEN]; 458 uint8_t addr2[ETH_ALEN]; 459 uint8_t addr3[ETH_ALEN]; 460 __le16 seq_ctrl; 461 __le16 qos_ctrl; 462 }; 463 464 struct ieee80211_vendor_ie { 465 }; 466 467 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 468 enum ieee80211_back { 469 WLAN_ACTION_ADDBA_REQ = 0, 470 }; 471 472 /* 802.11-2020, Table 9-51-Category values */ 473 enum ieee80211_category { 474 WLAN_CATEGORY_BACK = 3, 475 }; 476 477 /* 80211-2020 9.3.3.2 Format of Management frames */ 478 struct ieee80211_mgmt { 479 __le16 frame_control; 480 __le16 duration_id; 481 uint8_t da[ETH_ALEN]; 482 uint8_t sa[ETH_ALEN]; 483 uint8_t bssid[ETH_ALEN]; 484 __le16 seq_ctrl; 485 union { 486 /* 9.3.3.3 Beacon frame format */ 487 struct { 488 uint64_t timestamp; 489 uint16_t beacon_int; 490 uint16_t capab_info; 491 uint8_t variable[0]; 492 } beacon; 493 /* 9.3.3.10 Probe Request frame format */ 494 struct { 495 uint8_t variable[0]; 496 } probe_req; 497 /* 9.3.3.11 Probe Response frame format */ 498 struct { 499 uint64_t timestamp; 500 uint16_t beacon_int; 501 uint16_t capab_info; 502 uint8_t variable[0]; 503 } probe_resp; 504 /* 9.3.3.14 Action frame format */ 505 struct { 506 /* 9.4.1.11 Action field */ 507 uint8_t category; 508 /* 9.6.8 Public Action details */ 509 union { 510 /* 9.6.2.5 TPC Report frame format */ 511 struct { 512 uint8_t spec_mgmt; 513 uint8_t dialog_token; 514 /* uint32_t tpc_rep_elem:: */ 515 uint8_t tpc_elem_id; 516 uint8_t tpc_elem_length; 517 uint8_t tpc_elem_tx_power; 518 uint8_t tpc_elem_link_margin; 519 } tpc_report; 520 /* 9.6.8.33 Fine Timing Measurement frame format */ 521 struct { 522 uint8_t dialog_token; 523 uint8_t follow_up; 524 uint8_t tod[6]; 525 uint8_t toa[6]; 526 uint16_t tod_error; 527 uint16_t toa_error; 528 uint8_t variable[0]; 529 } ftm; 530 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 531 struct { 532 uint8_t action_code; 533 uint8_t dialog_token; 534 uint16_t capab; 535 uint16_t timeout; 536 uint16_t start_seq_num; 537 /* Optional follows... */ 538 uint8_t variable[0]; 539 } addba_req; 540 /* XXX */ 541 struct { 542 uint8_t dialog_token; 543 } wnm_timing_msr; 544 } u; 545 } action; 546 } u; 547 }; 548 549 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 550 __le16 frame_control; 551 __le16 duration; 552 uint8_t ra[ETH_ALEN]; 553 } __packed; 554 555 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 556 __le16 frame_control; 557 __le16 duration; 558 uint8_t ra[ETH_ALEN]; 559 uint8_t ta[ETH_ALEN]; 560 } __packed; 561 562 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 563 #define DBI_TO_MBI(_g) ((_g) * 100) 564 #define MBI_TO_DBI(_x) ((_x) / 100) 565 #define DBM_TO_MBM(_g) ((_g) * 100) 566 #define MBM_TO_DBM(_x) ((_x) / 100) 567 568 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 569 IEEE80211_SEQ_SEQ_SHIFT) 570 571 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 572 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 573 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 574 575 /* 9.4.2.21.1, Table 9-82. */ 576 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 577 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 578 579 /* 9.4.2.1, Table 9-77. Element IDs. */ 580 enum ieee80211_eid { 581 WLAN_EID_SSID = 0, 582 WLAN_EID_SUPP_RATES = 1, 583 WLAN_EID_DS_PARAMS = 3, 584 WLAN_EID_TIM = 5, 585 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 586 WLAN_EID_REQUEST = 10, 587 WLAN_EID_CHANNEL_SWITCH = 37, 588 WLAN_EID_MEASURE_REPORT = 39, 589 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 590 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 591 WLAN_EID_EXT_SUPP_RATES = 50, 592 WLAN_EID_EXT_NON_INHERITANCE = 56, 593 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 594 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 595 WLAN_EID_MULTI_BSSID_IDX = 85, 596 WLAN_EID_EXT_CAPABILITY = 127, 597 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 598 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 599 }; 600 601 enum ieee80211_eid_ext { 602 WLAN_EID_EXT_HE_CAPABILITY = 35, 603 }; 604 605 #define for_each_element(_elem, _data, _len) \ 606 for (_elem = (const struct element *)(_data); \ 607 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 608 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 609 _elem = (const struct element *)(_elem->data + _elem->datalen)) 610 611 #define for_each_element_id(_elem, _eid, _data, _len) \ 612 for_each_element(_elem, _data, _len) \ 613 if (_elem->id == (_eid)) 614 615 /* 9.4.1.7, Table 9-45. Reason codes. */ 616 enum ieee80211_reason_code { 617 /* reserved = 0, */ 618 WLAN_REASON_UNSPECIFIED = 1, 619 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 620 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 621 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 622 }; 623 624 /* 9.4.1.9, Table 9-46. Status codes. */ 625 enum ieee80211_status_code { 626 WLAN_STATUS_SUCCESS = 0, 627 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 628 }; 629 630 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 631 struct ieee80211_trigger { 632 __le16 frame_control; 633 __le16 duration_id; 634 uint8_t ra[ETH_ALEN]; 635 uint8_t ta[ETH_ALEN]; 636 __le64 common_info; /* 8+ really */ 637 uint8_t variable[]; 638 }; 639 640 /* Table 9-29c-Trigger Type subfield encoding */ 641 enum { 642 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 643 #if 0 644 /* Not seen yet. */ 645 BFRP = 0x1, 646 MU-BAR = 0x2, 647 MU-RTS = 0x3, 648 BSRP = 0x4, 649 GCR MU-BAR = 0x5, 650 BQRP = 0x6, 651 NFRP = 0x7, 652 /* 0x8..0xf reserved */ 653 #endif 654 IEEE80211_TRIGGER_TYPE_MASK = 0xf 655 }; 656 657 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 658 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 659 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 660 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 661 662 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 663 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 664 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 665 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 666 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 667 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 668 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 669 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 670 671 struct ieee80211_twt_params { 672 int mantissa, min_twt_dur, twt; 673 uint16_t req_type; 674 }; 675 676 struct ieee80211_twt_setup { 677 int control; 678 struct ieee80211_twt_params *params; 679 }; 680 681 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 682 enum ieee80211_twt_setup_cmd { 683 TWT_SETUP_CMD_REQUEST = 0, 684 TWT_SETUP_CMD_SUGGEST = 1, 685 /* DEMAND = 2, */ 686 /* GROUPING = 3, */ 687 TWT_SETUP_CMD_ACCEPT = 4, 688 /* ALTERNATE = 5 */ 689 TWT_SETUP_CMD_DICTATE = 6, 690 TWT_SETUP_CMD_REJECT = 7, 691 }; 692 693 struct ieee80211_bssid_index { 694 int bssid_index; 695 }; 696 697 enum ieee80211_reg_ap_power { 698 IEEE80211_REG_LPI_AP, 699 IEEE80211_REG_SP_AP, 700 IEEE80211_REG_VLP_AP, 701 }; 702 703 /* net80211: IEEE80211_IS_CTL() */ 704 static __inline bool 705 ieee80211_is_ctl(__le16 fc) 706 { 707 __le16 v; 708 709 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 710 v = htole16(IEEE80211_FC0_TYPE_CTL); 711 712 return (fc == v); 713 } 714 715 /* net80211: IEEE80211_IS_DATA() */ 716 static __inline bool 717 ieee80211_is_data(__le16 fc) 718 { 719 __le16 v; 720 721 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 722 v = htole16(IEEE80211_FC0_TYPE_DATA); 723 724 return (fc == v); 725 } 726 727 /* net80211: IEEE80211_IS_QOSDATA() */ 728 static __inline bool 729 ieee80211_is_data_qos(__le16 fc) 730 { 731 __le16 v; 732 733 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 734 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 735 736 return (fc == v); 737 } 738 739 /* net80211: IEEE80211_IS_MGMT() */ 740 static __inline bool 741 ieee80211_is_mgmt(__le16 fc) 742 { 743 __le16 v; 744 745 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 746 v = htole16(IEEE80211_FC0_TYPE_MGT); 747 748 return (fc == v); 749 } 750 751 752 /* Derived from net80211::ieee80211_anyhdrsize. */ 753 static __inline unsigned int 754 ieee80211_hdrlen(__le16 fc) 755 { 756 unsigned int size; 757 758 if (ieee80211_is_ctl(fc)) { 759 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 760 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 761 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 762 return sizeof(struct ieee80211_frame_ack); 763 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 764 return sizeof(struct ieee80211_frame_bar); 765 } 766 return (sizeof(struct ieee80211_frame_min)); 767 } 768 769 size = sizeof(struct ieee80211_frame); 770 if (ieee80211_is_data(fc)) { 771 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 772 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 773 size += IEEE80211_ADDR_LEN; 774 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 775 IEEE80211_FC0_TYPE_MASK)) == 776 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 777 IEEE80211_FC0_TYPE_DATA)) 778 size += sizeof(uint16_t); 779 } 780 781 if (ieee80211_is_mgmt(fc)) { 782 #ifdef __notyet__ 783 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 784 __func__, fc, size); 785 #endif 786 ; 787 } 788 789 return (size); 790 } 791 792 static inline bool 793 ieee80211_is_trigger(__le16 fc) 794 { 795 __le16 v; 796 797 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 798 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 799 800 return (fc == v); 801 } 802 803 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 804