1 /*- 2 * Copyright (c) 2020-2025 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/kernel.h> 37 #include <linux/bitops.h> 38 #include <linux/if_ether.h> 39 40 /* linux_80211.c */ 41 extern int linuxkpi_debug_80211; 42 #ifndef D80211_TODO 43 #define D80211_TODO 0x1 44 #endif 45 #define TODO(fmt, ...) if (linuxkpi_debug_80211 & D80211_TODO) \ 46 printf("%s:%d: XXX LKPI80211 TODO " fmt "\n", __func__, __LINE__, ##__VA_ARGS__) 47 48 49 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 50 struct ieee80211_mmie_16 { 51 uint8_t element_id; 52 uint8_t length; 53 uint16_t key_id; 54 uint8_t ipn[6]; 55 uint8_t mic[16]; 56 }; 57 58 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 59 #define IEEE80211_CCMP_PN_LEN 6 60 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 61 #define IEEE80211_CCMP_256_HDR_LEN 8 62 #define IEEE80211_CCMP_256_MIC_LEN 16 63 #define IEEE80211_GCMP_HDR_LEN 8 64 #define IEEE80211_GCMP_MIC_LEN 16 65 #define IEEE80211_GCMP_PN_LEN 6 66 #define IEEE80211_GMAC_PN_LEN 6 67 #define IEEE80211_CMAC_PN_LEN 6 68 69 #define IEEE80211_MAX_PN_LEN 16 70 71 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 72 73 #define IEEE80211_MAX_AMPDU_BUF_HT IEEE80211_AGGR_BAWMAX 74 #define IEEE80211_MAX_AMPDU_BUF_HE 256 75 #define IEEE80211_MAX_AMPDU_BUF_EHT 1024 76 77 #define IEEE80211_MAX_FRAME_LEN 2352 78 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 79 80 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 81 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 82 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 83 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 84 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 85 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 86 87 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 88 89 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 90 91 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 92 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 93 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 94 95 /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ 96 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 97 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 98 #define IEEE80211_QOS_CTL_EOSP 0x0010 99 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 100 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 101 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 102 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 103 104 enum ieee80211_rate_flags { 105 IEEE80211_RATE_SHORT_PREAMBLE = BIT(0), 106 }; 107 108 enum ieee80211_rate_control_changed_flags { 109 IEEE80211_RC_BW_CHANGED = BIT(0), 110 IEEE80211_RC_NSS_CHANGED = BIT(1), 111 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 112 IEEE80211_RC_SMPS_CHANGED = BIT(3), 113 }; 114 115 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 116 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 117 118 #define IEEE80211_TKIP_ICV_LEN 4 119 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 120 121 /* 802.11-2016, 9.4.2.158.3 Supported VHT-MCS and NSS Set field. */ 122 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* part of tx_highest */ 123 124 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 125 126 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 127 #define IEEE80211_WEP_ICV_LEN 4 128 129 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 130 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 131 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 132 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 133 134 enum wlan_ht_cap_sm_ps { 135 WLAN_HT_CAP_SM_PS_STATIC = 0, 136 WLAN_HT_CAP_SM_PS_DYNAMIC, 137 WLAN_HT_CAP_SM_PS_INVALID, 138 WLAN_HT_CAP_SM_PS_DISABLED, 139 }; 140 141 #define WLAN_MAX_KEY_LEN 32 142 #define WLAN_PMKID_LEN 16 143 #define WLAN_PMK_LEN_SUITE_B_192 48 144 145 enum ieee80211_key_len { 146 WLAN_KEY_LEN_WEP40 = 5, 147 WLAN_KEY_LEN_WEP104 = 13, 148 WLAN_KEY_LEN_TKIP = 32, 149 WLAN_KEY_LEN_CCMP = 16, 150 WLAN_KEY_LEN_CCMP_256 = 32, 151 WLAN_KEY_LEN_GCMP = 16, 152 WLAN_KEY_LEN_AES_CMAC = 16, 153 WLAN_KEY_LEN_GCMP_256 = 32, 154 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 155 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 156 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 157 }; 158 159 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 160 enum ieee80211_min_mpdu_start_spacing { 161 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 162 #if 0 163 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 164 #endif 165 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 us */ 166 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 167 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 168 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 169 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 170 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 171 }; 172 173 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 174 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 175 176 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 177 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 178 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 179 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 180 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 181 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 182 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 183 #define IEEE80211_FCTL_PM (IEEE80211_FC1_PWR_MGT << 8) 184 185 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 186 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 187 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 188 189 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 190 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 191 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 192 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 193 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 194 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 195 #define IEEE80211_STYPE_CTS IEEE80211_FC0_SUBTYPE_CTS 196 #define IEEE80211_STYPE_RTS IEEE80211_FC0_SUBTYPE_RTS 197 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 198 #define IEEE80211_STYPE_DATA IEEE80211_FC0_SUBTYPE_DATA 199 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 200 #define IEEE80211_STYPE_QOS_NULLFUNC IEEE80211_FC0_SUBTYPE_QOS_NULL 201 #define IEEE80211_STYPE_QOS_CFACK 0xd0 /* XXX-BZ reserved? */ 202 203 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 204 205 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 206 207 208 /* Figure 9-27, BAR Control field */ 209 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 210 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 211 212 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 213 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 214 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 215 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 216 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 217 218 /* 802.11-2012, Table 8-130-HT Operation element fields and subfields, HT Protection */ 219 #define IEEE80211_HT_OP_MODE_PROTECTION IEEE80211_HTINFO_OPMODE /* Mask. */ 220 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE IEEE80211_HTINFO_OPMODE_PURE /* No protection */ 221 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER IEEE80211_HTINFO_OPMODE_PROTOPT /* Nonmember protection */ 222 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ IEEE80211_HTINFO_OPMODE_HT20PR /* 20 MHz protection */ 223 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED IEEE80211_HTINFO_OPMODE_MIXED /* Non-HT mixed */ 224 225 226 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 227 enum ieee80211_tdls_action_code { 228 WLAN_TDLS_SETUP_REQUEST = 0, 229 WLAN_TDLS_SETUP_RESPONSE = 1, 230 WLAN_TDLS_SETUP_CONFIRM = 2, 231 WLAN_TDLS_TEARDOWN = 3, 232 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 233 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 234 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 235 WLAN_TDLS_PEER_PSM_REQUEST = 7, 236 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 237 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 238 WLAN_TDLS_DISCOVERY_REQUEST = 10, 239 /* 11-255 reserved */ 240 }; 241 242 /* 802.11-2020 9.4.2.26, Table 9-153. Extended Capabilities field. */ 243 /* This is split up into octets CAPA1 = octet 1, ... */ 244 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 245 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 246 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(23 % 8) 247 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 248 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(63 % 8) 249 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(64 % 8) 250 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(77 % 8) 251 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(78 % 8) 252 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(79 % 8) 253 254 #define WLAN_EXT_CAPA11_EMA_SUPPORT 0x00 /* XXX TODO FIXME */ 255 256 257 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 258 /* Would be so much easier if we'd define constants to the same. */ 259 enum ieee80211_ac_numbers { 260 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 261 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 262 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 263 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 264 }; 265 266 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 267 268 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 269 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 270 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 272 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 273 274 275 /* Define the LinuxKPI names directly to the net80211 ones. */ 276 #define IEEE80211_HT_CAP_LDPC_CODING IEEE80211_HTCAP_LDPC 277 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 IEEE80211_HTCAP_CHWIDTH40 278 #define IEEE80211_HT_CAP_SM_PS IEEE80211_HTCAP_SMPS 279 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 280 #define IEEE80211_HT_CAP_GRN_FLD IEEE80211_HTCAP_GREENFIELD 281 #define IEEE80211_HT_CAP_SGI_20 IEEE80211_HTCAP_SHORTGI20 282 #define IEEE80211_HT_CAP_SGI_40 IEEE80211_HTCAP_SHORTGI40 283 #define IEEE80211_HT_CAP_TX_STBC IEEE80211_HTCAP_TXSTBC 284 #define IEEE80211_HT_CAP_RX_STBC IEEE80211_HTCAP_RXSTBC 285 #define IEEE80211_HT_CAP_RX_STBC_SHIFT IEEE80211_HTCAP_RXSTBC_S 286 #define IEEE80211_HT_CAP_MAX_AMSDU IEEE80211_HTCAP_MAXAMSDU 287 #define IEEE80211_HT_CAP_DSSSCCK40 IEEE80211_HTCAP_DSSSCCK40 288 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT IEEE80211_HTCAP_LSIGTXOPPROT 289 290 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 291 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 292 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 293 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 294 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 295 #define IEEE80211_HT_MCS_MASK_LEN 10 296 297 #define IEEE80211_MLD_MAX_NUM_LINKS 15 298 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 299 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 300 301 struct ieee80211_mcs_info { 302 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 303 uint16_t rx_highest; 304 uint8_t tx_params; 305 uint8_t __reserved[3]; 306 }; 307 308 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 309 struct ieee80211_ht_cap { 310 uint16_t cap_info; 311 uint8_t ampdu_params_info; 312 struct ieee80211_mcs_info mcs; 313 uint16_t extended_ht_cap_info; 314 uint32_t tx_BF_cap_info; 315 uint8_t antenna_selection_info; 316 }; 317 318 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 319 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 320 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 321 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 322 323 enum ieee80211_ht_max_ampdu_len { 324 IEEE80211_HT_MAX_AMPDU_64K 325 }; 326 327 enum ieee80211_ampdu_mlme_action { 328 IEEE80211_AMPDU_RX_START, 329 IEEE80211_AMPDU_RX_STOP, 330 IEEE80211_AMPDU_TX_OPERATIONAL, 331 IEEE80211_AMPDU_TX_START, 332 IEEE80211_AMPDU_TX_STOP_CONT, 333 IEEE80211_AMPDU_TX_STOP_FLUSH, 334 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 335 }; 336 337 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 338 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 339 340 enum ieee80211_chanctx_switch_mode { 341 CHANCTX_SWMODE_REASSIGN_VIF, 342 CHANCTX_SWMODE_SWAP_CONTEXTS, 343 }; 344 345 enum ieee80211_chanctx_change_flags { 346 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 347 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 348 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 349 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 350 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 351 IEEE80211_CHANCTX_CHANGE_PUNCTURING = BIT(5), 352 IEEE80211_CHANCTX_CHANGE_MIN_DEF = BIT(6), 353 }; 354 355 enum ieee80211_frame_release_type { 356 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 357 IEEE80211_FRAME_RELEASE_UAPSD = 2, 358 }; 359 360 enum ieee80211_p2p_attr_ids { 361 IEEE80211_P2P_ATTR_DEVICE_ID, 362 IEEE80211_P2P_ATTR_DEVICE_INFO, 363 IEEE80211_P2P_ATTR_GROUP_ID, 364 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 365 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 366 }; 367 368 enum ieee80211_reconfig_type { 369 IEEE80211_RECONFIG_TYPE_RESTART, 370 IEEE80211_RECONFIG_TYPE_SUSPEND, 371 }; 372 373 enum ieee80211_roc_type { 374 IEEE80211_ROC_TYPE_MGMT_TX, 375 IEEE80211_ROC_TYPE_NORMAL, 376 }; 377 378 enum ieee80211_smps_mode { 379 IEEE80211_SMPS_OFF, 380 IEEE80211_SMPS_STATIC, 381 IEEE80211_SMPS_DYNAMIC, 382 IEEE80211_SMPS_AUTOMATIC, 383 IEEE80211_SMPS_NUM_MODES, 384 }; 385 386 /* net80211::IEEE80211_S_* different but represents the state machine. */ 387 /* Note: order here is important! */ 388 enum ieee80211_sta_state { 389 IEEE80211_STA_NOTEXIST = 0, 390 IEEE80211_STA_NONE = 1, 391 IEEE80211_STA_AUTH = 2, 392 IEEE80211_STA_ASSOC = 3, 393 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 394 }; 395 396 enum ieee80211_tx_info_flags { 397 /* XXX TODO .. right shift numbers - not sure where that came from? */ 398 IEEE80211_TX_CTL_AMPDU = BIT(0), 399 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 400 IEEE80211_TX_CTL_NO_ACK = BIT(2), 401 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 402 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 403 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 404 IEEE80211_TX_STATUS_EOSP = BIT(6), 405 IEEE80211_TX_STAT_ACK = BIT(7), 406 IEEE80211_TX_STAT_AMPDU = BIT(8), 407 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 408 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 409 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 410 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 411 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 412 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 413 IEEE80211_TX_CTL_INJECTED = BIT(15), 414 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 415 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 416 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 417 IEEE80211_TX_CTL_LDPC = BIT(19), 418 IEEE80211_TX_CTL_STBC = BIT(20), 419 } __packed; 420 421 enum ieee80211_tx_status_flags { 422 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 423 }; 424 425 enum ieee80211_tx_control_flags { 426 /* XXX TODO .. right shift numbers */ 427 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 428 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 429 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 430 IEEE80211_TX_CTRL_MLO_LINK = 0xF0000000, /* This is IEEE80211_LINK_UNSPECIFIED on the high bits. */ 431 }; 432 433 enum ieee80211_tx_rate_flags { 434 /* XXX TODO .. right shift numbers */ 435 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 436 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 437 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 438 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 439 IEEE80211_TX_RC_MCS = BIT(4), 440 IEEE80211_TX_RC_SHORT_GI = BIT(5), 441 IEEE80211_TX_RC_VHT_MCS = BIT(6), 442 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 443 }; 444 445 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 446 447 #define IEEE80211_HT_CTL_LEN 4 448 449 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 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 uint8_t addr4[ETH_ALEN]; 457 }; 458 459 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 460 __le16 frame_control; 461 __le16 duration_id; 462 uint8_t addr1[ETH_ALEN]; 463 uint8_t addr2[ETH_ALEN]; 464 uint8_t addr3[ETH_ALEN]; 465 __le16 seq_ctrl; 466 }; 467 468 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 469 __le16 frame_control; 470 __le16 duration_id; 471 uint8_t addr1[ETH_ALEN]; 472 uint8_t addr2[ETH_ALEN]; 473 uint8_t addr3[ETH_ALEN]; 474 __le16 seq_ctrl; 475 __le16 qos_ctrl; 476 }; 477 478 struct ieee80211_vendor_ie { 479 }; 480 481 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 482 enum ieee80211_back { 483 WLAN_ACTION_ADDBA_REQ = 0, 484 }; 485 486 enum ieee80211_sa_query { 487 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 488 }; 489 490 /* 802.11-2020, Table 9-51-Category values */ 491 enum ieee80211_category { 492 WLAN_CATEGORY_BACK = 3, 493 WLAN_CATEGORY_SA_QUERY = 8, /* net80211::IEEE80211_ACTION_CAT_SA_QUERY */ 494 }; 495 496 /* 80211-2020 9.3.3.2 Format of Management frames */ 497 struct ieee80211_mgmt { 498 __le16 frame_control; 499 __le16 duration_id; 500 uint8_t da[ETH_ALEN]; 501 uint8_t sa[ETH_ALEN]; 502 uint8_t bssid[ETH_ALEN]; 503 __le16 seq_ctrl; 504 union { 505 /* 9.3.3.3 Beacon frame format */ 506 struct { 507 uint64_t timestamp; 508 uint16_t beacon_int; 509 uint16_t capab_info; 510 uint8_t variable[0]; 511 } beacon; 512 /* 9.3.3.5 Association Request frame format */ 513 struct { 514 uint16_t capab_info; 515 uint16_t listen_interval; 516 uint8_t variable[0]; 517 } assoc_req; 518 /* 9.3.3.10 Probe Request frame format */ 519 struct { 520 uint8_t variable[0]; 521 } probe_req; 522 /* 9.3.3.11 Probe Response frame format */ 523 struct { 524 uint64_t timestamp; 525 uint16_t beacon_int; 526 uint16_t capab_info; 527 uint8_t variable[0]; 528 } probe_resp; 529 /* 9.3.3.14 Action frame format */ 530 struct { 531 /* 9.4.1.11 Action field */ 532 uint8_t category; 533 /* 9.6.8 Public Action details */ 534 union { 535 /* 9.6.2.5 TPC Report frame format */ 536 struct { 537 uint8_t spec_mgmt; 538 uint8_t dialog_token; 539 /* uint32_t tpc_rep_elem:: */ 540 uint8_t tpc_elem_id; 541 uint8_t tpc_elem_length; 542 uint8_t tpc_elem_tx_power; 543 uint8_t tpc_elem_link_margin; 544 } tpc_report; 545 /* 9.6.8.33 Fine Timing Measurement frame format */ 546 struct { 547 uint8_t dialog_token; 548 uint8_t follow_up; 549 uint8_t tod[6]; 550 uint8_t toa[6]; 551 uint16_t tod_error; 552 uint16_t toa_error; 553 uint8_t variable[0]; 554 } ftm; 555 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 556 struct { 557 uint8_t action_code; 558 uint8_t dialog_token; 559 uint16_t capab; 560 uint16_t timeout; 561 uint16_t start_seq_num; 562 /* Optional follows... */ 563 uint8_t variable[0]; 564 } addba_req; 565 /* XXX */ 566 struct { 567 uint8_t dialog_token; 568 } wnm_timing_msr; 569 } u; 570 } action; 571 DECLARE_FLEX_ARRAY(uint8_t, body); 572 } u; 573 }; 574 575 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 576 __le16 frame_control; 577 __le16 duration; 578 uint8_t ra[ETH_ALEN]; 579 } __packed; 580 581 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 582 __le16 frame_control; 583 __le16 duration; 584 uint8_t ra[ETH_ALEN]; 585 uint8_t ta[ETH_ALEN]; 586 } __packed; 587 588 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 589 #define DBI_TO_MBI(_g) ((_g) * 100) 590 #define MBI_TO_DBI(_x) ((_x) / 100) 591 #define DBM_TO_MBM(_g) ((_g) * 100) 592 #define MBM_TO_DBM(_x) ((_x) / 100) 593 594 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 595 IEEE80211_SEQ_SEQ_SHIFT) 596 #define IEEE80211_SN_TO_SEQ(_sn) (((_sn) << IEEE80211_SEQ_SEQ_SHIFT) & \ 597 IEEE80211_SEQ_SEQ_MASK) 598 599 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 600 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 601 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 602 603 /* 9.4.2.21.1, Table 9-82. */ 604 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 605 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 606 607 /* 9.4.2.1, Table 9-77. Element IDs. */ 608 enum ieee80211_eid { 609 WLAN_EID_SSID = 0, 610 WLAN_EID_SUPP_RATES = 1, 611 WLAN_EID_DS_PARAMS = 3, 612 WLAN_EID_TIM = 5, 613 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 614 WLAN_EID_REQUEST = 10, 615 WLAN_EID_QBSS_LOAD = 11, /* IEEE80211_ELEMID_BSSLOAD */ 616 WLAN_EID_CHANNEL_SWITCH = 37, 617 WLAN_EID_MEASURE_REPORT = 39, 618 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 619 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 620 WLAN_EID_EXT_SUPP_RATES = 50, 621 WLAN_EID_EXT_NON_INHERITANCE = 56, 622 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 623 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 624 WLAN_EID_MULTI_BSSID_IDX = 85, 625 WLAN_EID_EXT_CAPABILITY = 127, 626 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 627 WLAN_EID_S1G_TWT = 216, 628 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 629 }; 630 631 enum ieee80211_eid_ext { 632 WLAN_EID_EXT_HE_CAPABILITY = 35, 633 }; 634 635 #define for_each_element(_elem, _data, _len) \ 636 for (_elem = (const struct element *)(_data); \ 637 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 638 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 639 _elem = (const struct element *)(_elem->data + _elem->datalen)) 640 641 #define for_each_element_id(_elem, _eid, _data, _len) \ 642 for_each_element(_elem, _data, _len) \ 643 if (_elem->id == (_eid)) 644 645 /* 9.4.1.7, Table 9-45. Reason codes. */ 646 enum ieee80211_reason_code { 647 /* reserved = 0, */ 648 WLAN_REASON_UNSPECIFIED = 1, 649 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 650 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 651 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 652 }; 653 654 /* 9.4.1.9, Table 9-46. Status codes. */ 655 enum ieee80211_status_code { 656 WLAN_STATUS_SUCCESS = 0, 657 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 658 }; 659 660 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 661 struct ieee80211_trigger { 662 __le16 frame_control; 663 __le16 duration_id; 664 uint8_t ra[ETH_ALEN]; 665 uint8_t ta[ETH_ALEN]; 666 __le64 common_info; /* 8+ really */ 667 uint8_t variable[]; 668 }; 669 670 /* Table 9-29c-Trigger Type subfield encoding */ 671 enum { 672 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 673 IEEE80211_TRIGGER_TYPE_MU_BAR = 0x2, 674 #if 0 675 /* Not seen yet. */ 676 BFRP = 0x1, 677 MU-RTS = 0x3, 678 BSRP = 0x4, 679 GCR MU-BAR = 0x5, 680 BQRP = 0x6, 681 NFRP = 0x7, 682 /* 0x8..0xf reserved */ 683 #endif 684 IEEE80211_TRIGGER_TYPE_MASK = 0xf 685 }; 686 687 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 688 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 689 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 690 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 691 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 692 693 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 694 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 695 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 696 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 697 698 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 699 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 700 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 701 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 702 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 703 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 704 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 705 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 706 707 struct ieee80211_twt_params { 708 int mantissa, min_twt_dur, twt; 709 uint16_t req_type; 710 }; 711 712 struct ieee80211_twt_setup { 713 int control; 714 struct ieee80211_twt_params *params; 715 }; 716 717 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 718 enum ieee80211_twt_setup_cmd { 719 TWT_SETUP_CMD_REQUEST = 0, 720 TWT_SETUP_CMD_SUGGEST = 1, 721 /* DEMAND = 2, */ 722 /* GROUPING = 3, */ 723 TWT_SETUP_CMD_ACCEPT = 4, 724 /* ALTERNATE = 5 */ 725 TWT_SETUP_CMD_DICTATE = 6, 726 TWT_SETUP_CMD_REJECT = 7, 727 }; 728 729 struct ieee80211_bssid_index { 730 int bssid_index; 731 }; 732 733 enum ieee80211_ap_reg_power { 734 IEEE80211_REG_UNSET_AP, 735 IEEE80211_REG_LPI_AP, 736 IEEE80211_REG_SP_AP, 737 IEEE80211_REG_VLP_AP, 738 }; 739 740 /* 741 * 802.11ax-2021, Table 9-277-Meaning of Maximum Transmit Power Count subfield 742 * if Maximum Transmit Power Interpretation subfield is 1 or 3 743 */ 744 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 745 746 /* 747 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 748 * encoding (4) * Table E-12-Regulatory Info subfield encoding in the 749 * United States (2) 750 */ 751 #define IEEE80211_TPE_MAX_IE_NUM 8 752 753 /* 802.11ax-2021, 9.4.2.161 Transmit Power Envelope element */ 754 struct ieee80211_tx_pwr_env { 755 uint8_t tx_power_info; 756 uint8_t tx_power[IEEE80211_MAX_NUM_PWR_LEVEL]; 757 }; 758 759 /* 802.11ax-2021, Figure 9-617-Transmit Power Information field format */ 760 /* These are field masks (3bit/3bit/2bit). */ 761 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x07 762 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 763 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xc0 764 765 /* 766 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 767 * encoding 768 */ 769 enum ieee80211_tx_pwr_interpretation_subfield_enc { 770 IEEE80211_TPE_LOCAL_EIRP, 771 IEEE80211_TPE_LOCAL_EIRP_PSD, 772 IEEE80211_TPE_REG_CLIENT_EIRP, 773 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 774 }; 775 776 enum ieee80211_tx_pwr_category_6ghz { 777 IEEE80211_TPE_CAT_6GHZ_DEFAULT, 778 }; 779 780 /* 802.11-2020, 9.4.2.27 BSS Load element */ 781 struct ieee80211_bss_load_elem { 782 uint16_t sta_count; 783 uint8_t channel_util; 784 uint16_t avail_adm_capa; 785 }; 786 787 struct ieee80211_p2p_noa_desc { 788 uint32_t count; /* uint8_t ? */ 789 uint32_t duration; 790 uint32_t interval; 791 uint32_t start_time; 792 }; 793 794 struct ieee80211_p2p_noa_attr { 795 uint8_t index; 796 uint8_t oppps_ctwindow; 797 struct ieee80211_p2p_noa_desc desc[4]; 798 }; 799 800 801 /* net80211: IEEE80211_IS_CTL() */ 802 static __inline bool 803 ieee80211_is_ctl(__le16 fc) 804 { 805 __le16 v; 806 807 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 808 v = htole16(IEEE80211_FC0_TYPE_CTL); 809 810 return (fc == v); 811 } 812 813 /* net80211: IEEE80211_IS_DATA() */ 814 static __inline bool 815 ieee80211_is_data(__le16 fc) 816 { 817 __le16 v; 818 819 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 820 v = htole16(IEEE80211_FC0_TYPE_DATA); 821 822 return (fc == v); 823 } 824 825 /* net80211: IEEE80211_IS_QOSDATA() */ 826 static __inline bool 827 ieee80211_is_data_qos(__le16 fc) 828 { 829 __le16 v; 830 831 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 832 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 833 834 return (fc == v); 835 } 836 837 /* net80211: IEEE80211_IS_MGMT() */ 838 static __inline bool 839 ieee80211_is_mgmt(__le16 fc) 840 { 841 __le16 v; 842 843 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 844 v = htole16(IEEE80211_FC0_TYPE_MGT); 845 846 return (fc == v); 847 } 848 849 850 /* Derived from net80211::ieee80211_anyhdrsize. */ 851 static __inline unsigned int 852 ieee80211_hdrlen(__le16 fc) 853 { 854 unsigned int size; 855 856 if (ieee80211_is_ctl(fc)) { 857 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 858 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 859 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 860 return sizeof(struct ieee80211_frame_ack); 861 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 862 return sizeof(struct ieee80211_frame_bar); 863 } 864 return (sizeof(struct ieee80211_frame_min)); 865 } 866 867 size = sizeof(struct ieee80211_frame); 868 if (ieee80211_is_data(fc)) { 869 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 870 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 871 size += IEEE80211_ADDR_LEN; 872 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 873 IEEE80211_FC0_TYPE_MASK)) == 874 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 875 IEEE80211_FC0_TYPE_DATA)) 876 size += sizeof(uint16_t); 877 } 878 879 if (ieee80211_is_mgmt(fc)) { 880 #ifdef __notyet__ 881 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 882 __func__, fc, size); 883 #endif 884 ; 885 } 886 887 return (size); 888 } 889 890 static inline bool 891 ieee80211_is_trigger(__le16 fc) 892 { 893 __le16 v; 894 895 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 896 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 897 898 return (fc == v); 899 } 900 901 static __inline bool 902 ieee80211_is_action(__le16 fc) 903 { 904 __le16 v; 905 906 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 907 v = htole16(IEEE80211_FC0_SUBTYPE_ACTION | IEEE80211_FC0_TYPE_MGT); 908 909 return (fc == v); 910 } 911 912 static __inline bool 913 ieee80211_is_probe_resp(__le16 fc) 914 { 915 __le16 v; 916 917 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 918 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_RESP | IEEE80211_FC0_TYPE_MGT); 919 920 return (fc == v); 921 } 922 923 static __inline bool 924 ieee80211_is_auth(__le16 fc) 925 { 926 __le16 v; 927 928 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 929 v = htole16(IEEE80211_FC0_SUBTYPE_AUTH | IEEE80211_FC0_TYPE_MGT); 930 931 return (fc == v); 932 } 933 934 static __inline bool 935 ieee80211_is_assoc_req(__le16 fc) 936 { 937 __le16 v; 938 939 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 940 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 941 942 return (fc == v); 943 } 944 945 static __inline bool 946 ieee80211_is_assoc_resp(__le16 fc) 947 { 948 __le16 v; 949 950 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 951 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 952 953 return (fc == v); 954 } 955 956 static __inline bool 957 ieee80211_is_reassoc_req(__le16 fc) 958 { 959 __le16 v; 960 961 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 962 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 963 964 return (fc == v); 965 } 966 967 static __inline bool 968 ieee80211_is_reassoc_resp(__le16 fc) 969 { 970 __le16 v; 971 972 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 973 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 974 975 return (fc == v); 976 } 977 978 static __inline bool 979 ieee80211_is_disassoc(__le16 fc) 980 { 981 __le16 v; 982 983 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 984 v = htole16(IEEE80211_FC0_SUBTYPE_DISASSOC | IEEE80211_FC0_TYPE_MGT); 985 986 return (fc == v); 987 } 988 989 static __inline bool 990 ieee80211_is_data_present(__le16 fc) 991 { 992 __le16 v; 993 994 /* If it is a data frame and NODATA is not present. */ 995 fc &= htole16(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_NODATA); 996 v = htole16(IEEE80211_FC0_TYPE_DATA); 997 998 return (fc == v); 999 } 1000 1001 static __inline bool 1002 ieee80211_is_deauth(__le16 fc) 1003 { 1004 __le16 v; 1005 1006 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1007 v = htole16(IEEE80211_FC0_SUBTYPE_DEAUTH | IEEE80211_FC0_TYPE_MGT); 1008 1009 return (fc == v); 1010 } 1011 1012 static __inline bool 1013 ieee80211_is_beacon(__le16 fc) 1014 { 1015 __le16 v; 1016 1017 /* 1018 * For as much as I get it this comes in LE and unlike FreeBSD 1019 * where we get the entire frame header and u8[], here we get the 1020 * 9.2.4.1 Frame Control field only. Mask and compare. 1021 */ 1022 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1023 v = htole16(IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT); 1024 1025 return (fc == v); 1026 } 1027 1028 1029 static __inline bool 1030 ieee80211_is_probe_req(__le16 fc) 1031 { 1032 __le16 v; 1033 1034 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1035 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_REQ | IEEE80211_FC0_TYPE_MGT); 1036 1037 return (fc == v); 1038 } 1039 1040 static __inline bool 1041 ieee80211_has_protected(__le16 fc) 1042 { 1043 1044 return (fc & htole16(IEEE80211_FC1_PROTECTED << 8)); 1045 } 1046 1047 static __inline bool 1048 ieee80211_is_back_req(__le16 fc) 1049 { 1050 __le16 v; 1051 1052 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1053 v = htole16(IEEE80211_FC0_SUBTYPE_BAR | IEEE80211_FC0_TYPE_CTL); 1054 1055 return (fc == v); 1056 } 1057 1058 static __inline bool 1059 ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 1060 { 1061 struct ieee80211_mgmt *mgmt; 1062 __le16 fc; 1063 1064 mgmt = (struct ieee80211_mgmt *)skb->data; 1065 fc = mgmt->frame_control; 1066 1067 /* 11.2.2 Bufferable MMPDUs, 80211-2020. */ 1068 /* XXX we do not care about IBSS yet. */ 1069 1070 if (!ieee80211_is_mgmt(fc)) 1071 return (false); 1072 if (ieee80211_is_action(fc)) /* XXX FTM? */ 1073 return (true); /* XXX false? */ 1074 if (ieee80211_is_disassoc(fc)) 1075 return (true); 1076 if (ieee80211_is_deauth(fc)) 1077 return (true); 1078 1079 TODO(); 1080 1081 return (false); 1082 } 1083 1084 static __inline bool 1085 ieee80211_is_nullfunc(__le16 fc) 1086 { 1087 __le16 v; 1088 1089 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1090 v = htole16(IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA); 1091 1092 return (fc == v); 1093 } 1094 1095 static __inline bool 1096 ieee80211_is_qos_nullfunc(__le16 fc) 1097 { 1098 __le16 v; 1099 1100 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1101 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_NULL | IEEE80211_FC0_TYPE_DATA); 1102 1103 return (fc == v); 1104 } 1105 1106 static __inline bool 1107 ieee80211_is_any_nullfunc(__le16 fc) 1108 { 1109 1110 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 1111 } 1112 1113 static inline bool 1114 ieee80211_is_pspoll(__le16 fc) 1115 { 1116 __le16 v; 1117 1118 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1119 v = htole16(IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL); 1120 1121 return (fc == v); 1122 } 1123 1124 static __inline bool 1125 ieee80211_has_a4(__le16 fc) 1126 { 1127 __le16 v; 1128 1129 fc &= htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1130 v = htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1131 1132 return (fc == v); 1133 } 1134 1135 static __inline bool 1136 ieee80211_has_order(__le16 fc) 1137 { 1138 1139 return (fc & htole16(IEEE80211_FC1_ORDER << 8)); 1140 } 1141 1142 static __inline bool 1143 ieee80211_has_retry(__le16 fc) 1144 { 1145 1146 return (fc & htole16(IEEE80211_FC1_RETRY << 8)); 1147 } 1148 1149 1150 static __inline bool 1151 ieee80211_has_fromds(__le16 fc) 1152 { 1153 1154 return (fc & htole16(IEEE80211_FC1_DIR_FROMDS << 8)); 1155 } 1156 1157 static __inline bool 1158 ieee80211_has_tods(__le16 fc) 1159 { 1160 1161 return (fc & htole16(IEEE80211_FC1_DIR_TODS << 8)); 1162 } 1163 1164 static __inline uint8_t * 1165 ieee80211_get_SA(struct ieee80211_hdr *hdr) 1166 { 1167 1168 if (ieee80211_has_a4(hdr->frame_control)) 1169 return (hdr->addr4); 1170 if (ieee80211_has_fromds(hdr->frame_control)) 1171 return (hdr->addr3); 1172 return (hdr->addr2); 1173 } 1174 1175 static __inline uint8_t * 1176 ieee80211_get_DA(struct ieee80211_hdr *hdr) 1177 { 1178 1179 if (ieee80211_has_tods(hdr->frame_control)) 1180 return (hdr->addr3); 1181 return (hdr->addr1); 1182 } 1183 1184 static __inline bool 1185 ieee80211_is_frag(struct ieee80211_hdr *hdr) 1186 { 1187 TODO(); 1188 return (false); 1189 } 1190 1191 static __inline bool 1192 ieee80211_is_first_frag(__le16 fc) 1193 { 1194 TODO(); 1195 return (false); 1196 } 1197 1198 static __inline bool 1199 ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 1200 { 1201 TODO(); 1202 return (false); 1203 } 1204 1205 static __inline bool 1206 ieee80211_is_ftm(struct sk_buff *skb) 1207 { 1208 TODO(); 1209 return (false); 1210 } 1211 1212 static __inline bool 1213 ieee80211_is_timing_measurement(struct sk_buff *skb) 1214 { 1215 TODO(); 1216 return (false); 1217 } 1218 1219 static __inline bool 1220 ieee80211_has_pm(__le16 fc) 1221 { 1222 TODO(); 1223 return (false); 1224 } 1225 1226 static __inline bool 1227 ieee80211_has_morefrags(__le16 fc) 1228 { 1229 1230 fc &= htole16(IEEE80211_FC1_MORE_FRAG << 8); 1231 return (fc != 0); 1232 } 1233 1234 static __inline u8 * 1235 ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 1236 { 1237 if (ieee80211_has_a4(hdr->frame_control)) 1238 return (u8 *)hdr + 30; 1239 else 1240 return (u8 *)hdr + 24; 1241 } 1242 1243 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 1244