1 /*- 2 * Copyright (c) 2020-2021 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 * $FreeBSD$ 29 */ 30 31 #ifndef _LINUXKPI_LINUX_IEEE80211_H 32 #define _LINUXKPI_LINUX_IEEE80211_H 33 34 #include <sys/types.h> 35 #include <net80211/ieee80211.h> 36 37 #include <asm/unaligned.h> 38 #include <linux/bitops.h> 39 #include <linux/if_ether.h> 40 41 42 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 43 struct ieee80211_mmie_16 { 44 uint8_t element_id; 45 uint8_t length; 46 uint16_t key_id; 47 uint8_t ipn[6]; 48 uint8_t mic[16]; 49 }; 50 51 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 52 #define IEEE80211_CCMP_PN_LEN 6 53 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 54 #define IEEE80211_CCMP_256_HDR_LEN 8 55 #define IEEE80211_CCMP_256_MIC_LEN 16 56 #define IEEE80211_GCMP_HDR_LEN 8 57 #define IEEE80211_GCMP_MIC_LEN 16 58 #define IEEE80211_GCMP_PN_LEN 6 59 #define IEEE80211_GMAC_PN_LEN 6 60 61 #define IEEE80211_MAX_PN_LEN 16 62 63 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 64 65 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 66 #define IEEE80211_MAX_AMPDU_BUF 256 /* for HE? */ 67 #define IEEE80211_MAX_AMPDU_BUF_HE 256 68 69 #define IEEE80211_MAX_FRAME_LEN 2352 70 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 71 72 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 73 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 74 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 75 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 76 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 77 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 78 79 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 80 81 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 82 83 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 84 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 85 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 86 87 /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ 88 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 89 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 90 #define IEEE80211_QOS_CTL_EOSP 0x0010 91 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 92 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 93 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 94 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 95 96 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) 97 98 enum ieee80211_rate_control_changed_flags { 99 IEEE80211_RC_BW_CHANGED = BIT(0), 100 IEEE80211_RC_NSS_CHANGED = BIT(1), 101 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 102 IEEE80211_RC_SMPS_CHANGED = BIT(3), 103 }; 104 105 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 106 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 107 108 #define IEEE80211_TKIP_ICV_LEN 4 109 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 110 111 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ 112 113 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 114 115 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 116 #define IEEE80211_WEP_ICV_LEN 4 117 118 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 119 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 120 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 121 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 122 123 enum wlan_ht_cap_sm_ps { 124 WLAN_HT_CAP_SM_PS_STATIC = 0, 125 WLAN_HT_CAP_SM_PS_DYNAMIC, 126 WLAN_HT_CAP_SM_PS_INVALID, 127 WLAN_HT_CAP_SM_PS_DISABLED, 128 }; 129 130 #define WLAN_MAX_KEY_LEN 32 /* TODO FIXME brcmfmac */ 131 #define WLAN_PMKID_LEN 16 /* TODO FIXME brcmfmac */ 132 133 #define WLAN_KEY_LEN_WEP40 5 134 #define WLAN_KEY_LEN_WEP104 13 135 #define WLAN_KEY_LEN_TKIP 32 136 #define WLAN_KEY_LEN_CCMP 16 137 #define WLAN_KEY_LEN_GCMP 16 138 #define WLAN_KEY_LEN_GCMP_256 32 139 140 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 141 enum ieee80211_min_mpdu_start_spacing { 142 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 143 #if 0 144 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 145 IEEE80211_HT_MPDU_DENSITY_YYY = 2, /* 1/2 us */ 146 #endif 147 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 148 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 149 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 150 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 151 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 152 }; 153 154 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 155 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 156 157 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 158 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 159 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 160 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 161 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 162 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 163 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 164 165 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 166 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 167 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 168 169 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 170 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 171 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 172 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 173 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 174 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 175 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 176 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 177 178 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 179 180 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 181 182 183 /* Figure 9-27, BAR Control field */ 184 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 185 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 186 187 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 188 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 189 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 190 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 191 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 192 193 #define IEEE80211_HT_OP_MODE_PROTECTION 0x03 /* MASK */ 194 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0x00 195 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 0x01 196 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 0x02 197 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 0x03 198 199 200 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 201 enum ieee80211_tdls_action_code { 202 WLAN_TDLS_SETUP_REQUEST = 0, 203 WLAN_TDLS_SETUP_RESPONSE = 1, 204 WLAN_TDLS_SETUP_CONFIRM = 2, 205 WLAN_TDLS_TEARDOWN = 3, 206 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 207 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 208 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 209 WLAN_TDLS_PEER_PSM_REQUEST = 7, 210 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 211 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 212 WLAN_TDLS_DISCOVERY_REQUEST = 10, 213 /* 11-255 reserved */ 214 }; 215 216 /* 9.4.2.27, Table 9-135. Extended Capabilities field. */ 217 /* This is split up into octets CAPA1 = octet 1, ... */ 218 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 219 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 220 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 221 222 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) /* XXX */ 223 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) /* XXX */ 224 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) /* XXX */ 225 226 227 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 228 /* Would be so much easier if we'd define constants to the same. */ 229 enum ieee80211_ac_numbers { 230 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 231 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 232 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 233 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 234 }; 235 236 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 237 238 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 239 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 240 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 241 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 242 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 243 244 245 /* XXX net80211 calls these IEEE80211_HTCAP_* */ 246 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 /* IEEE80211_HTCAP_LDPC */ 247 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 /* IEEE80211_HTCAP_CHWIDTH40 */ 248 #define IEEE80211_HT_CAP_SM_PS 0x000c /* IEEE80211_HTCAP_SMPS */ 249 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 250 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 /* IEEE80211_HTCAP_GREENFIELD */ 251 #define IEEE80211_HT_CAP_SGI_20 0x0020 /* IEEE80211_HTCAP_SHORTGI20 */ 252 #define IEEE80211_HT_CAP_SGI_40 0x0040 /* IEEE80211_HTCAP_SHORTGI40 */ 253 #define IEEE80211_HT_CAP_TX_STBC 0x0080 /* IEEE80211_HTCAP_TXSTBC */ 254 #define IEEE80211_HT_CAP_RX_STBC 0x0100 /* IEEE80211_HTCAP_RXSTBC */ 255 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 /* IEEE80211_HTCAP_RXSTBC_S */ 256 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 /* IEEE80211_HTCAP_MAXAMSDU */ 257 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 /* IEEE80211_HTCAP_DSSSCCK40 */ 258 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 /* IEEE80211_HTCAP_LSIGTXOPPROT */ 259 260 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 261 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 262 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 263 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 264 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 265 #define IEEE80211_HT_MCS_MASK_LEN 10 266 267 struct ieee80211_mcs_info { 268 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 269 uint16_t rx_highest; 270 uint8_t tx_params; 271 uint8_t __reserved[3]; 272 }; 273 274 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 275 struct ieee80211_ht_cap { 276 uint16_t cap_info; 277 uint8_t ampdu_params_info; 278 struct ieee80211_mcs_info mcs; 279 uint16_t extended_ht_cap_info; 280 uint32_t tx_BF_cap_info; 281 uint8_t antenna_selection_info; 282 }; 283 284 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 285 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 286 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 287 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 288 289 enum ieee80211_ht_max_ampdu_len { 290 IEEE80211_HT_MAX_AMPDU_64K 291 }; 292 293 enum ieee80211_ampdu_mlme_action { 294 IEEE80211_AMPDU_RX_START, 295 IEEE80211_AMPDU_RX_STOP, 296 IEEE80211_AMPDU_TX_OPERATIONAL, 297 IEEE80211_AMPDU_TX_START, 298 IEEE80211_AMPDU_TX_STOP_CONT, 299 IEEE80211_AMPDU_TX_STOP_FLUSH, 300 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 301 }; 302 303 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 304 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 305 306 enum ieee80211_chanctx_switch_mode { 307 CHANCTX_SWMODE_REASSIGN_VIF, 308 CHANCTX_SWMODE_SWAP_CONTEXTS, 309 }; 310 311 enum ieee80211_chanctx_change_flags { 312 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 313 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 314 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 315 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 316 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 317 }; 318 319 enum ieee80211_frame_release_type { 320 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 321 IEEE80211_FRAME_RELEASE_UAPSD = 2, 322 }; 323 324 enum ieee80211_p2p_attr_ids { 325 IEEE80211_P2P_ATTR_DEVICE_ID, 326 IEEE80211_P2P_ATTR_DEVICE_INFO, 327 IEEE80211_P2P_ATTR_GROUP_ID, 328 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 329 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 330 }; 331 332 enum ieee80211_reconfig_type { 333 IEEE80211_RECONFIG_TYPE_RESTART, 334 IEEE80211_RECONFIG_TYPE_SUSPEND, 335 }; 336 337 enum ieee80211_roc_type { 338 IEEE80211_ROC_TYPE_MGMT_TX, 339 IEEE80211_ROC_TYPE_NORMAL, 340 }; 341 342 enum ieee80211_smps_mode { 343 IEEE80211_SMPS_OFF, 344 IEEE80211_SMPS_STATIC, 345 IEEE80211_SMPS_DYNAMIC, 346 IEEE80211_SMPS_AUTOMATIC, 347 IEEE80211_SMPS_NUM_MODES, 348 }; 349 350 /* net80211::IEEE80211_S_* different but represents the state machine. */ 351 /* Note: order here is important! */ 352 enum ieee80211_sta_state { 353 IEEE80211_STA_NOTEXIST = 0, 354 IEEE80211_STA_NONE = 1, 355 IEEE80211_STA_AUTH = 2, 356 IEEE80211_STA_ASSOC = 3, 357 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 358 }; 359 360 enum ieee80211_sta_rx_bw { 361 IEEE80211_STA_RX_BW_20, 362 IEEE80211_STA_RX_BW_40, 363 IEEE80211_STA_RX_BW_80, 364 IEEE80211_STA_RX_BW_160, 365 IEEE80211_STA_RX_BW_320, 366 }; 367 368 enum ieee80211_tx_info_flags { 369 /* XXX TODO .. right shift numbers - not sure where that came from? */ 370 IEEE80211_TX_CTL_AMPDU = BIT(0), 371 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 372 IEEE80211_TX_CTL_NO_ACK = BIT(2), 373 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 374 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 375 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 376 IEEE80211_TX_STATUS_EOSP = BIT(6), 377 IEEE80211_TX_STAT_ACK = BIT(7), 378 IEEE80211_TX_STAT_AMPDU = BIT(8), 379 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 380 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 381 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 382 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 383 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 384 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 385 IEEE80211_TX_CTL_INJECTED = BIT(15), 386 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 387 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 388 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 389 }; 390 391 enum ieee80211_tx_control_flags { 392 /* XXX TODO .. right shift numbers */ 393 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 394 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 395 }; 396 397 enum ieee80211_tx_rate_flags { 398 /* XXX TODO .. right shift numbers */ 399 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 400 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 401 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 402 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 403 IEEE80211_TX_RC_MCS = BIT(4), 404 IEEE80211_TX_RC_SHORT_GI = BIT(5), 405 IEEE80211_TX_RC_VHT_MCS = BIT(6), 406 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 407 }; 408 409 #define IEEE80211_HT_CTL_LEN 4 410 411 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 412 __le16 frame_control; 413 __le16 duration_id; 414 uint8_t addr1[ETH_ALEN]; 415 uint8_t addr2[ETH_ALEN]; 416 uint8_t addr3[ETH_ALEN]; 417 __le16 seq_ctrl; 418 uint8_t addr4[ETH_ALEN]; 419 }; 420 421 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 422 __le16 frame_control; 423 __le16 duration_id; 424 uint8_t addr1[ETH_ALEN]; 425 uint8_t addr2[ETH_ALEN]; 426 uint8_t addr3[ETH_ALEN]; 427 __le16 seq_ctrl; 428 }; 429 430 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 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 __le16 qos_ctrl; 438 }; 439 440 struct ieee80211_vendor_ie { 441 }; 442 443 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 444 enum ieee80211_back { 445 WLAN_ACTION_ADDBA_REQ = 0, 446 }; 447 448 /* 802.11-2020, Table 9-51-Category values */ 449 enum ieee80211_category { 450 WLAN_CATEGORY_BACK = 3, 451 }; 452 453 /* 80211-2020 9.3.3.2 Format of Management frames */ 454 struct ieee80211_mgmt { 455 __le16 frame_control; 456 __le16 duration_id; 457 uint8_t da[ETH_ALEN]; 458 uint8_t sa[ETH_ALEN]; 459 uint8_t bssid[ETH_ALEN]; 460 __le16 seq_ctrl; 461 union { 462 /* 9.3.3.3 Beacon frame format */ 463 struct { 464 uint64_t timestamp; 465 uint16_t beacon_int; 466 uint16_t capab_info; 467 uint8_t variable[0]; 468 } beacon; 469 /* 9.3.3.10 Probe Request frame format */ 470 struct { 471 uint8_t variable[0]; 472 } probe_req; 473 /* 9.3.3.11 Probe Response frame format */ 474 struct { 475 uint64_t timestamp; 476 uint16_t beacon_int; 477 uint16_t capab_info; 478 uint8_t variable[0]; 479 } probe_resp; 480 /* 9.3.3.14 Action frame format */ 481 struct { 482 /* 9.4.1.11 Action field */ 483 uint8_t category; 484 /* 9.6.8 Public Action details */ 485 union { 486 /* 9.6.2.5 TPC Report frame format */ 487 struct { 488 uint8_t spec_mgmt; 489 uint8_t dialog_token; 490 /* uint32_t tpc_rep_elem:: */ 491 uint8_t tpc_elem_id; 492 uint8_t tpc_elem_length; 493 uint8_t tpc_elem_tx_power; 494 uint8_t tpc_elem_link_margin; 495 } tpc_report; 496 /* 9.6.8.33 Fine Timing Measurement frame format */ 497 struct { 498 uint8_t dialog_token; 499 uint8_t follow_up; 500 uint8_t tod[6]; 501 uint8_t toa[6]; 502 uint16_t tod_error; 503 uint16_t toa_error; 504 uint8_t variable[0]; 505 } ftm; 506 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 507 struct { 508 uint8_t action_code; 509 uint8_t dialog_token; 510 uint16_t capab; 511 uint16_t timeout; 512 uint16_t start_seq_num; 513 /* Optional follows... */ 514 uint8_t variable[0]; 515 } addba_req; 516 } u; 517 } action; 518 } u; 519 }; 520 521 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 522 #define DBI_TO_MBI(_g) ((_g) * 100) 523 #define MBI_TO_DBI(_x) ((_x) / 100) 524 #define DBM_TO_MBM(_g) ((_g) * 100) 525 #define MBM_TO_DBM(_x) ((_x) / 100) 526 527 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 528 IEEE80211_SEQ_SEQ_SHIFT) 529 530 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 531 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 532 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 533 534 /* 9.4.2.21.1, Table 9-82. */ 535 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 536 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 537 538 /* 9.4.2.1, Table 9-77. Element IDs. */ 539 enum ieee80211_eid { 540 WLAN_EID_SSID = 0, 541 WLAN_EID_SUPP_RATES = 1, 542 WLAN_EID_DS_PARAMS = 3, 543 WLAN_EID_TIM = 5, 544 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 545 WLAN_EID_REQUEST = 10, 546 WLAN_EID_CHANNEL_SWITCH = 37, 547 WLAN_EID_MEASURE_REPORT = 39, 548 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 549 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 550 WLAN_EID_EXT_SUPP_RATES = 50, 551 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 552 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 553 WLAN_EID_MULTI_BSSID_IDX = 85, 554 WLAN_EID_EXT_CAPABILITY = 127, 555 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 556 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 557 }; 558 559 enum ieee80211_eid_ext { 560 WLAN_EID_EXT_HE_CAPABILITY = 35, 561 }; 562 563 #define for_each_element(_elem, _data, _len) \ 564 for (_elem = (const struct element *)(_data); \ 565 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 566 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 567 _elem = (const struct element *)(_elem->data + _elem->datalen)) 568 569 #define for_each_element_id(_elem, _eid, _data, _len) \ 570 for_each_element(_elem, _data, _len) \ 571 if (_elem->id == (_eid)) 572 573 /* 9.4.1.7, Table 9-45. Reason codes. */ 574 enum ieee80211_reason_code { 575 /* reserved = 0, */ 576 WLAN_REASON_UNSPECIFIED = 1, 577 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 578 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 579 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 580 }; 581 582 /* 9.4.1.9, Table 9-46. Status codes. */ 583 enum ieee80211_status_code { 584 WLAN_STATUS_SUCCESS = 0, 585 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 586 }; 587 588 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 589 struct ieee80211_trigger { 590 __le16 frame_control; 591 __le16 duration_id; 592 uint8_t ra[ETH_ALEN]; 593 uint8_t ta[ETH_ALEN]; 594 __le64 common_info; /* 8+ really */ 595 uint8_t variable[]; 596 }; 597 598 /* Table 9-29c-Trigger Type subfield encoding */ 599 enum { 600 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 601 #if 0 602 /* Not seen yet. */ 603 BFRP = 0x1, 604 MU-BAR = 0x2, 605 MU-RTS = 0x3, 606 BSRP = 0x4, 607 GCR MU-BAR = 0x5, 608 BQRP = 0x6, 609 NFRP = 0x7, 610 /* 0x8..0xf reserved */ 611 #endif 612 IEEE80211_TRIGGER_TYPE_MASK = 0xf 613 }; 614 615 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 616 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 617 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 618 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 619 620 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 621 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 622 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 623 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 624 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 625 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 626 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 627 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 628 629 struct ieee80211_twt_params { 630 int mantissa, min_twt_dur, twt; 631 uint16_t req_type; 632 }; 633 634 struct ieee80211_twt_setup { 635 int control; 636 struct ieee80211_twt_params *params; 637 }; 638 639 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 640 enum ieee80211_twt_setup_cmd { 641 TWT_SETUP_CMD_REQUEST = 0, 642 TWT_SETUP_CMD_SUGGEST = 1, 643 /* DEMAND = 2, */ 644 /* GROUPING = 3, */ 645 TWT_SETUP_CMD_ACCEPT = 4, 646 /* ALTERNATE = 5 */ 647 TWT_SETUP_CMD_DICTATE = 6, 648 TWT_SETUP_CMD_REJECT = 7, 649 }; 650 651 struct ieee80211_bssid_index { 652 int bssid_index; 653 }; 654 655 /* net80211: IEEE80211_IS_CTL() */ 656 static __inline bool 657 ieee80211_is_ctl(__le16 fc) 658 { 659 __le16 v; 660 661 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 662 v = htole16(IEEE80211_FC0_TYPE_CTL); 663 664 return (fc == v); 665 } 666 667 /* net80211: IEEE80211_IS_DATA() */ 668 static __inline bool 669 ieee80211_is_data(__le16 fc) 670 { 671 __le16 v; 672 673 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 674 v = htole16(IEEE80211_FC0_TYPE_DATA); 675 676 return (fc == v); 677 } 678 679 /* net80211: IEEE80211_IS_QOSDATA() */ 680 static __inline bool 681 ieee80211_is_data_qos(__le16 fc) 682 { 683 __le16 v; 684 685 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 686 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 687 688 return (fc == v); 689 } 690 691 /* net80211: IEEE80211_IS_MGMT() */ 692 static __inline bool 693 ieee80211_is_mgmt(__le16 fc) 694 { 695 __le16 v; 696 697 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 698 v = htole16(IEEE80211_FC0_TYPE_MGT); 699 700 return (fc == v); 701 } 702 703 704 /* Derived from net80211::ieee80211_anyhdrsize. */ 705 static __inline unsigned int 706 ieee80211_hdrlen(__le16 fc) 707 { 708 unsigned int size; 709 710 if (ieee80211_is_ctl(fc)) { 711 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 712 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 713 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 714 return sizeof(struct ieee80211_frame_ack); 715 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 716 return sizeof(struct ieee80211_frame_bar); 717 } 718 return (sizeof(struct ieee80211_frame_min)); 719 } 720 721 size = sizeof(struct ieee80211_frame); 722 if (ieee80211_is_data(fc)) { 723 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 724 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 725 size += IEEE80211_ADDR_LEN; 726 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 727 IEEE80211_FC0_TYPE_MASK)) == 728 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 729 IEEE80211_FC0_TYPE_DATA)) 730 size += sizeof(uint16_t); 731 } 732 733 if (ieee80211_is_mgmt(fc)) { 734 #ifdef __notyet__ 735 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 736 __func__, fc, size); 737 #endif 738 ; 739 } 740 741 return (size); 742 } 743 744 static inline bool 745 ieee80211_is_trigger(__le16 fc) 746 { 747 __le16 v; 748 749 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 750 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 751 752 return (fc == v); 753 } 754 755 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 756