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_MAX_SIMUL_LINKS 0xf 299 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 300 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 301 302 struct ieee80211_mcs_info { 303 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 304 uint16_t rx_highest; 305 uint8_t tx_params; 306 uint8_t __reserved[3]; 307 } __packed; 308 309 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 310 struct ieee80211_ht_cap { 311 uint16_t cap_info; 312 uint8_t ampdu_params_info; 313 struct ieee80211_mcs_info mcs; 314 uint16_t extended_ht_cap_info; 315 uint32_t tx_BF_cap_info; 316 uint8_t antenna_selection_info; 317 } __packed; 318 319 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 320 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 321 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 322 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 323 324 enum ieee80211_ht_max_ampdu_len { 325 IEEE80211_HT_MAX_AMPDU_64K 326 }; 327 328 enum ieee80211_ampdu_mlme_action { 329 IEEE80211_AMPDU_RX_START, 330 IEEE80211_AMPDU_RX_STOP, 331 IEEE80211_AMPDU_TX_OPERATIONAL, 332 IEEE80211_AMPDU_TX_START, 333 IEEE80211_AMPDU_TX_STOP_CONT, 334 IEEE80211_AMPDU_TX_STOP_FLUSH, 335 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 336 }; 337 338 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 339 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 340 341 enum ieee80211_chanctx_switch_mode { 342 CHANCTX_SWMODE_REASSIGN_VIF, 343 CHANCTX_SWMODE_SWAP_CONTEXTS, 344 }; 345 346 enum ieee80211_chanctx_change_flags { 347 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 348 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 349 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 350 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 351 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 352 IEEE80211_CHANCTX_CHANGE_PUNCTURING = BIT(5), 353 IEEE80211_CHANCTX_CHANGE_MIN_DEF = BIT(6), 354 }; 355 356 enum ieee80211_frame_release_type { 357 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 358 IEEE80211_FRAME_RELEASE_UAPSD = 2, 359 }; 360 361 enum ieee80211_p2p_attr_ids { 362 IEEE80211_P2P_ATTR_DEVICE_ID, 363 IEEE80211_P2P_ATTR_DEVICE_INFO, 364 IEEE80211_P2P_ATTR_GROUP_ID, 365 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 366 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 367 }; 368 369 enum ieee80211_reconfig_type { 370 IEEE80211_RECONFIG_TYPE_RESTART, 371 IEEE80211_RECONFIG_TYPE_SUSPEND, 372 }; 373 374 enum ieee80211_roc_type { 375 IEEE80211_ROC_TYPE_MGMT_TX, 376 IEEE80211_ROC_TYPE_NORMAL, 377 }; 378 379 enum ieee80211_smps_mode { 380 IEEE80211_SMPS_OFF, 381 IEEE80211_SMPS_STATIC, 382 IEEE80211_SMPS_DYNAMIC, 383 IEEE80211_SMPS_AUTOMATIC, 384 IEEE80211_SMPS_NUM_MODES, 385 }; 386 387 /* net80211::IEEE80211_S_* different but represents the state machine. */ 388 /* Note: order here is important! */ 389 enum ieee80211_sta_state { 390 IEEE80211_STA_NOTEXIST = 0, 391 IEEE80211_STA_NONE = 1, 392 IEEE80211_STA_AUTH = 2, 393 IEEE80211_STA_ASSOC = 3, 394 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 395 }; 396 397 enum ieee80211_tx_info_flags { 398 /* XXX TODO .. right shift numbers - not sure where that came from? */ 399 IEEE80211_TX_CTL_AMPDU = BIT(0), 400 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 401 IEEE80211_TX_CTL_NO_ACK = BIT(2), 402 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 403 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 404 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 405 IEEE80211_TX_STATUS_EOSP = BIT(6), 406 IEEE80211_TX_STAT_ACK = BIT(7), 407 IEEE80211_TX_STAT_AMPDU = BIT(8), 408 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 409 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 410 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 411 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 412 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 413 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 414 IEEE80211_TX_CTL_INJECTED = BIT(15), 415 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 416 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 417 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 418 IEEE80211_TX_CTL_LDPC = BIT(19), 419 IEEE80211_TX_CTL_STBC = BIT(20), 420 } __packed; 421 422 enum ieee80211_tx_status_flags { 423 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 424 }; 425 426 enum ieee80211_tx_control_flags { 427 /* XXX TODO .. right shift numbers */ 428 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 429 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 430 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 431 IEEE80211_TX_CTRL_DONT_USE_RATE_MASK = BIT(3), 432 IEEE80211_TX_CTRL_MLO_LINK = 0xF0000000, /* This is IEEE80211_LINK_UNSPECIFIED on the high bits. */ 433 }; 434 435 enum ieee80211_tx_rate_flags { 436 /* XXX TODO .. right shift numbers */ 437 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 438 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 439 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 440 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 441 IEEE80211_TX_RC_MCS = BIT(4), 442 IEEE80211_TX_RC_SHORT_GI = BIT(5), 443 IEEE80211_TX_RC_VHT_MCS = BIT(6), 444 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 445 }; 446 447 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 448 449 #define IEEE80211_HT_CTL_LEN 4 450 451 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 452 __le16 frame_control; 453 __le16 duration_id; 454 uint8_t addr1[ETH_ALEN]; 455 uint8_t addr2[ETH_ALEN]; 456 uint8_t addr3[ETH_ALEN]; 457 __le16 seq_ctrl; 458 uint8_t addr4[ETH_ALEN]; 459 }; 460 461 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 462 __le16 frame_control; 463 __le16 duration_id; 464 uint8_t addr1[ETH_ALEN]; 465 uint8_t addr2[ETH_ALEN]; 466 uint8_t addr3[ETH_ALEN]; 467 __le16 seq_ctrl; 468 }; 469 470 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 471 __le16 frame_control; 472 __le16 duration_id; 473 uint8_t addr1[ETH_ALEN]; 474 uint8_t addr2[ETH_ALEN]; 475 uint8_t addr3[ETH_ALEN]; 476 __le16 seq_ctrl; 477 __le16 qos_ctrl; 478 }; 479 480 struct ieee80211_vendor_ie { 481 }; 482 483 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 484 enum ieee80211_back { 485 WLAN_ACTION_ADDBA_REQ = 0, 486 }; 487 488 enum ieee80211_sa_query { 489 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 490 }; 491 492 /* 802.11-2020, Table 9-51-Category values */ 493 enum ieee80211_category { 494 WLAN_CATEGORY_BACK = 3, 495 WLAN_CATEGORY_SA_QUERY = 8, /* net80211::IEEE80211_ACTION_CAT_SA_QUERY */ 496 }; 497 498 struct ieee80211_he_6ghz_capa { 499 uint16_t capa; 500 }; 501 502 /* 80211-2020 9.3.3.2 Format of Management frames */ 503 struct ieee80211_mgmt { 504 __le16 frame_control; 505 __le16 duration_id; 506 uint8_t da[ETH_ALEN]; 507 uint8_t sa[ETH_ALEN]; 508 uint8_t bssid[ETH_ALEN]; 509 __le16 seq_ctrl; 510 union { 511 /* 9.3.3.3 Beacon frame format */ 512 struct { 513 uint64_t timestamp; 514 uint16_t beacon_int; 515 uint16_t capab_info; 516 uint8_t variable[0]; 517 } beacon; 518 /* 9.3.3.5 Association Request frame format */ 519 struct { 520 uint16_t capab_info; 521 uint16_t listen_interval; 522 uint8_t variable[0]; 523 } assoc_req; 524 /* 9.3.3.10 Probe Request frame format */ 525 struct { 526 uint8_t variable[0]; 527 } probe_req; 528 /* 9.3.3.11 Probe Response frame format */ 529 struct { 530 uint64_t timestamp; 531 uint16_t beacon_int; 532 uint16_t capab_info; 533 uint8_t variable[0]; 534 } probe_resp; 535 /* 9.3.3.14 Action frame format */ 536 struct { 537 /* 9.4.1.11 Action field */ 538 uint8_t category; 539 /* 9.6.8 Public Action details */ 540 union { 541 /* 9.6.2.5 TPC Report frame format */ 542 struct { 543 uint8_t spec_mgmt; 544 uint8_t dialog_token; 545 /* uint32_t tpc_rep_elem:: */ 546 uint8_t tpc_elem_id; 547 uint8_t tpc_elem_length; 548 uint8_t tpc_elem_tx_power; 549 uint8_t tpc_elem_link_margin; 550 } tpc_report; 551 /* 9.6.8.33 Fine Timing Measurement frame format */ 552 struct { 553 uint8_t dialog_token; 554 uint8_t follow_up; 555 uint8_t tod[6]; 556 uint8_t toa[6]; 557 uint16_t tod_error; 558 uint16_t toa_error; 559 uint8_t variable[0]; 560 } ftm; 561 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 562 struct { 563 uint8_t action_code; 564 uint8_t dialog_token; 565 uint16_t capab; 566 uint16_t timeout; 567 uint16_t start_seq_num; 568 /* Optional follows... */ 569 uint8_t variable[0]; 570 } addba_req; 571 /* XXX */ 572 struct { 573 uint8_t dialog_token; 574 } wnm_timing_msr; 575 } u; 576 } action; 577 DECLARE_FLEX_ARRAY(uint8_t, body); 578 } u; 579 }; 580 581 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 582 __le16 frame_control; 583 __le16 duration; 584 uint8_t ra[ETH_ALEN]; 585 } __packed; 586 587 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 588 __le16 frame_control; 589 __le16 duration; 590 uint8_t ra[ETH_ALEN]; 591 uint8_t ta[ETH_ALEN]; 592 } __packed; 593 594 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 595 #define DBI_TO_MBI(_g) ((_g) * 100) 596 #define MBI_TO_DBI(_x) ((_x) / 100) 597 #define DBM_TO_MBM(_g) ((_g) * 100) 598 #define MBM_TO_DBM(_x) ((_x) / 100) 599 600 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 601 IEEE80211_SEQ_SEQ_SHIFT) 602 #define IEEE80211_SN_TO_SEQ(_sn) (((_sn) << IEEE80211_SEQ_SEQ_SHIFT) & \ 603 IEEE80211_SEQ_SEQ_MASK) 604 605 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 606 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 607 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 608 609 /* 9.4.2.21.1, Table 9-82. */ 610 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 611 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 612 613 /* 9.4.2.1, Table 9-77. Element IDs. */ 614 enum ieee80211_eid { 615 WLAN_EID_SSID = 0, 616 WLAN_EID_SUPP_RATES = 1, 617 WLAN_EID_DS_PARAMS = 3, 618 WLAN_EID_TIM = 5, 619 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 620 WLAN_EID_REQUEST = 10, 621 WLAN_EID_QBSS_LOAD = 11, /* IEEE80211_ELEMID_BSSLOAD */ 622 WLAN_EID_CHANNEL_SWITCH = 37, 623 WLAN_EID_MEASURE_REPORT = 39, 624 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 625 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 626 WLAN_EID_EXT_SUPP_RATES = 50, 627 WLAN_EID_EXT_NON_INHERITANCE = 56, 628 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 629 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 630 WLAN_EID_MULTI_BSSID_IDX = 85, 631 WLAN_EID_EXT_CAPABILITY = 127, 632 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 633 WLAN_EID_S1G_TWT = 216, 634 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 635 }; 636 637 enum ieee80211_eid_ext { 638 WLAN_EID_EXT_HE_CAPABILITY = 35, 639 }; 640 641 #define for_each_element(_elem, _data, _len) \ 642 for (_elem = (const struct element *)(_data); \ 643 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 644 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 645 _elem = (const struct element *)(_elem->data + _elem->datalen)) 646 647 #define for_each_element_id(_elem, _eid, _data, _len) \ 648 for_each_element(_elem, _data, _len) \ 649 if (_elem->id == (_eid)) 650 651 /* 9.4.1.7, Table 9-45. Reason codes. */ 652 enum ieee80211_reason_code { 653 /* reserved = 0, */ 654 WLAN_REASON_UNSPECIFIED = 1, 655 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 656 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 657 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 658 }; 659 660 /* 9.4.1.9, Table 9-46. Status codes. */ 661 enum ieee80211_status_code { 662 WLAN_STATUS_SUCCESS = 0, 663 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 664 }; 665 666 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 667 struct ieee80211_trigger { 668 __le16 frame_control; 669 __le16 duration_id; 670 uint8_t ra[ETH_ALEN]; 671 uint8_t ta[ETH_ALEN]; 672 __le64 common_info; /* 8+ really */ 673 uint8_t variable[]; 674 }; 675 676 /* Table 9-29c-Trigger Type subfield encoding */ 677 enum { 678 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 679 IEEE80211_TRIGGER_TYPE_MU_BAR = 0x2, 680 #if 0 681 /* Not seen yet. */ 682 BFRP = 0x1, 683 MU-RTS = 0x3, 684 BSRP = 0x4, 685 GCR MU-BAR = 0x5, 686 BQRP = 0x6, 687 NFRP = 0x7, 688 /* 0x8..0xf reserved */ 689 #endif 690 IEEE80211_TRIGGER_TYPE_MASK = 0xf 691 }; 692 693 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 694 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 695 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 696 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 697 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 698 699 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 700 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 701 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 702 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 703 704 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 705 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 706 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 707 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 708 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 709 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 710 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 711 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 712 713 struct ieee80211_twt_params { 714 int mantissa, min_twt_dur, twt; 715 uint16_t req_type; 716 }; 717 718 struct ieee80211_twt_setup { 719 int control; 720 struct ieee80211_twt_params *params; 721 }; 722 723 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 724 enum ieee80211_twt_setup_cmd { 725 TWT_SETUP_CMD_REQUEST = 0, 726 TWT_SETUP_CMD_SUGGEST = 1, 727 /* DEMAND = 2, */ 728 /* GROUPING = 3, */ 729 TWT_SETUP_CMD_ACCEPT = 4, 730 /* ALTERNATE = 5 */ 731 TWT_SETUP_CMD_DICTATE = 6, 732 TWT_SETUP_CMD_REJECT = 7, 733 }; 734 735 struct ieee80211_bssid_index { 736 int bssid_index; 737 }; 738 739 enum ieee80211_ap_reg_power { 740 IEEE80211_REG_UNSET_AP, 741 IEEE80211_REG_LPI_AP, 742 IEEE80211_REG_SP_AP, 743 IEEE80211_REG_VLP_AP, 744 }; 745 746 /* 747 * 802.11ax-2021, Table 9-277-Meaning of Maximum Transmit Power Count subfield 748 * if Maximum Transmit Power Interpretation subfield is 1 or 3 749 */ 750 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 751 752 /* 753 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 754 * encoding (4) * Table E-12-Regulatory Info subfield encoding in the 755 * United States (2) 756 */ 757 #define IEEE80211_TPE_MAX_IE_NUM 8 758 759 /* 802.11ax-2021, 9.4.2.161 Transmit Power Envelope element */ 760 struct ieee80211_tx_pwr_env { 761 uint8_t tx_power_info; 762 uint8_t tx_power[IEEE80211_MAX_NUM_PWR_LEVEL]; 763 }; 764 765 /* 802.11ax-2021, Figure 9-617-Transmit Power Information field format */ 766 /* These are field masks (3bit/3bit/2bit). */ 767 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x07 768 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 769 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xc0 770 771 /* 772 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 773 * encoding 774 */ 775 enum ieee80211_tx_pwr_interpretation_subfield_enc { 776 IEEE80211_TPE_LOCAL_EIRP, 777 IEEE80211_TPE_LOCAL_EIRP_PSD, 778 IEEE80211_TPE_REG_CLIENT_EIRP, 779 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 780 }; 781 782 enum ieee80211_tx_pwr_category_6ghz { 783 IEEE80211_TPE_CAT_6GHZ_DEFAULT, 784 }; 785 786 /* 802.11-2020, 9.4.2.27 BSS Load element */ 787 struct ieee80211_bss_load_elem { 788 uint16_t sta_count; 789 uint8_t channel_util; 790 uint16_t avail_adm_capa; 791 }; 792 793 struct ieee80211_p2p_noa_desc { 794 uint32_t count; /* uint8_t ? */ 795 uint32_t duration; 796 uint32_t interval; 797 uint32_t start_time; 798 }; 799 800 struct ieee80211_p2p_noa_attr { 801 uint8_t index; 802 uint8_t oppps_ctwindow; 803 struct ieee80211_p2p_noa_desc desc[4]; 804 }; 805 806 807 /* net80211: IEEE80211_IS_CTL() */ 808 static __inline bool 809 ieee80211_is_ctl(__le16 fc) 810 { 811 __le16 v; 812 813 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 814 v = htole16(IEEE80211_FC0_TYPE_CTL); 815 816 return (fc == v); 817 } 818 819 /* net80211: IEEE80211_IS_DATA() */ 820 static __inline bool 821 ieee80211_is_data(__le16 fc) 822 { 823 __le16 v; 824 825 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 826 v = htole16(IEEE80211_FC0_TYPE_DATA); 827 828 return (fc == v); 829 } 830 831 /* net80211: IEEE80211_IS_QOSDATA() */ 832 static __inline bool 833 ieee80211_is_data_qos(__le16 fc) 834 { 835 __le16 v; 836 837 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 838 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 839 840 return (fc == v); 841 } 842 843 /* net80211: IEEE80211_IS_MGMT() */ 844 static __inline bool 845 ieee80211_is_mgmt(__le16 fc) 846 { 847 __le16 v; 848 849 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 850 v = htole16(IEEE80211_FC0_TYPE_MGT); 851 852 return (fc == v); 853 } 854 855 856 /* Derived from net80211::ieee80211_anyhdrsize. */ 857 static __inline unsigned int 858 ieee80211_hdrlen(__le16 fc) 859 { 860 unsigned int size; 861 862 if (ieee80211_is_ctl(fc)) { 863 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 864 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 865 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 866 return sizeof(struct ieee80211_frame_ack); 867 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 868 return sizeof(struct ieee80211_frame_bar); 869 } 870 return (sizeof(struct ieee80211_frame_min)); 871 } 872 873 size = sizeof(struct ieee80211_frame); 874 if (ieee80211_is_data(fc)) { 875 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 876 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 877 size += IEEE80211_ADDR_LEN; 878 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 879 IEEE80211_FC0_TYPE_MASK)) == 880 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 881 IEEE80211_FC0_TYPE_DATA)) 882 size += sizeof(uint16_t); 883 } 884 885 if (ieee80211_is_mgmt(fc)) { 886 #ifdef __notyet__ 887 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 888 __func__, fc, size); 889 #endif 890 ; 891 } 892 893 return (size); 894 } 895 896 static inline bool 897 ieee80211_is_trigger(__le16 fc) 898 { 899 __le16 v; 900 901 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 902 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 903 904 return (fc == v); 905 } 906 907 static __inline bool 908 ieee80211_is_action(__le16 fc) 909 { 910 __le16 v; 911 912 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 913 v = htole16(IEEE80211_FC0_SUBTYPE_ACTION | IEEE80211_FC0_TYPE_MGT); 914 915 return (fc == v); 916 } 917 918 static __inline bool 919 ieee80211_is_probe_resp(__le16 fc) 920 { 921 __le16 v; 922 923 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 924 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_RESP | IEEE80211_FC0_TYPE_MGT); 925 926 return (fc == v); 927 } 928 929 static __inline bool 930 ieee80211_is_auth(__le16 fc) 931 { 932 __le16 v; 933 934 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 935 v = htole16(IEEE80211_FC0_SUBTYPE_AUTH | IEEE80211_FC0_TYPE_MGT); 936 937 return (fc == v); 938 } 939 940 static __inline bool 941 ieee80211_is_assoc_req(__le16 fc) 942 { 943 __le16 v; 944 945 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 946 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 947 948 return (fc == v); 949 } 950 951 static __inline bool 952 ieee80211_is_assoc_resp(__le16 fc) 953 { 954 __le16 v; 955 956 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 957 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 958 959 return (fc == v); 960 } 961 962 static __inline bool 963 ieee80211_is_reassoc_req(__le16 fc) 964 { 965 __le16 v; 966 967 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 968 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 969 970 return (fc == v); 971 } 972 973 static __inline bool 974 ieee80211_is_reassoc_resp(__le16 fc) 975 { 976 __le16 v; 977 978 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 979 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 980 981 return (fc == v); 982 } 983 984 static __inline bool 985 ieee80211_is_disassoc(__le16 fc) 986 { 987 __le16 v; 988 989 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 990 v = htole16(IEEE80211_FC0_SUBTYPE_DISASSOC | IEEE80211_FC0_TYPE_MGT); 991 992 return (fc == v); 993 } 994 995 static __inline bool 996 ieee80211_is_data_present(__le16 fc) 997 { 998 __le16 v; 999 1000 /* If it is a data frame and NODATA is not present. */ 1001 fc &= htole16(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_NODATA); 1002 v = htole16(IEEE80211_FC0_TYPE_DATA); 1003 1004 return (fc == v); 1005 } 1006 1007 static __inline bool 1008 ieee80211_is_deauth(__le16 fc) 1009 { 1010 __le16 v; 1011 1012 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1013 v = htole16(IEEE80211_FC0_SUBTYPE_DEAUTH | IEEE80211_FC0_TYPE_MGT); 1014 1015 return (fc == v); 1016 } 1017 1018 static __inline bool 1019 ieee80211_is_beacon(__le16 fc) 1020 { 1021 __le16 v; 1022 1023 /* 1024 * For as much as I get it this comes in LE and unlike FreeBSD 1025 * where we get the entire frame header and u8[], here we get the 1026 * 9.2.4.1 Frame Control field only. Mask and compare. 1027 */ 1028 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1029 v = htole16(IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT); 1030 1031 return (fc == v); 1032 } 1033 1034 1035 static __inline bool 1036 ieee80211_is_probe_req(__le16 fc) 1037 { 1038 __le16 v; 1039 1040 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1041 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_REQ | IEEE80211_FC0_TYPE_MGT); 1042 1043 return (fc == v); 1044 } 1045 1046 static __inline bool 1047 ieee80211_has_protected(__le16 fc) 1048 { 1049 1050 return (fc & htole16(IEEE80211_FC1_PROTECTED << 8)); 1051 } 1052 1053 static __inline bool 1054 ieee80211_is_back_req(__le16 fc) 1055 { 1056 __le16 v; 1057 1058 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1059 v = htole16(IEEE80211_FC0_SUBTYPE_BAR | IEEE80211_FC0_TYPE_CTL); 1060 1061 return (fc == v); 1062 } 1063 1064 static __inline bool 1065 ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 1066 { 1067 struct ieee80211_mgmt *mgmt; 1068 __le16 fc; 1069 1070 mgmt = (struct ieee80211_mgmt *)skb->data; 1071 fc = mgmt->frame_control; 1072 1073 /* 11.2.2 Bufferable MMPDUs, 80211-2020. */ 1074 /* XXX we do not care about IBSS yet. */ 1075 1076 if (!ieee80211_is_mgmt(fc)) 1077 return (false); 1078 if (ieee80211_is_action(fc)) /* XXX FTM? */ 1079 return (true); /* XXX false? */ 1080 if (ieee80211_is_disassoc(fc)) 1081 return (true); 1082 if (ieee80211_is_deauth(fc)) 1083 return (true); 1084 1085 TODO(); 1086 1087 return (false); 1088 } 1089 1090 static __inline bool 1091 ieee80211_is_nullfunc(__le16 fc) 1092 { 1093 __le16 v; 1094 1095 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1096 v = htole16(IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA); 1097 1098 return (fc == v); 1099 } 1100 1101 static __inline bool 1102 ieee80211_is_qos_nullfunc(__le16 fc) 1103 { 1104 __le16 v; 1105 1106 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1107 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_NULL | IEEE80211_FC0_TYPE_DATA); 1108 1109 return (fc == v); 1110 } 1111 1112 static __inline bool 1113 ieee80211_is_any_nullfunc(__le16 fc) 1114 { 1115 1116 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 1117 } 1118 1119 static inline bool 1120 ieee80211_is_pspoll(__le16 fc) 1121 { 1122 __le16 v; 1123 1124 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1125 v = htole16(IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL); 1126 1127 return (fc == v); 1128 } 1129 1130 static __inline bool 1131 ieee80211_has_a4(__le16 fc) 1132 { 1133 __le16 v; 1134 1135 fc &= htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1136 v = htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1137 1138 return (fc == v); 1139 } 1140 1141 static __inline bool 1142 ieee80211_has_order(__le16 fc) 1143 { 1144 1145 return (fc & htole16(IEEE80211_FC1_ORDER << 8)); 1146 } 1147 1148 static __inline bool 1149 ieee80211_has_retry(__le16 fc) 1150 { 1151 1152 return (fc & htole16(IEEE80211_FC1_RETRY << 8)); 1153 } 1154 1155 1156 static __inline bool 1157 ieee80211_has_fromds(__le16 fc) 1158 { 1159 1160 return (fc & htole16(IEEE80211_FC1_DIR_FROMDS << 8)); 1161 } 1162 1163 static __inline bool 1164 ieee80211_has_tods(__le16 fc) 1165 { 1166 1167 return (fc & htole16(IEEE80211_FC1_DIR_TODS << 8)); 1168 } 1169 1170 static __inline uint8_t * 1171 ieee80211_get_SA(struct ieee80211_hdr *hdr) 1172 { 1173 1174 if (ieee80211_has_a4(hdr->frame_control)) 1175 return (hdr->addr4); 1176 if (ieee80211_has_fromds(hdr->frame_control)) 1177 return (hdr->addr3); 1178 return (hdr->addr2); 1179 } 1180 1181 static __inline uint8_t * 1182 ieee80211_get_DA(struct ieee80211_hdr *hdr) 1183 { 1184 1185 if (ieee80211_has_tods(hdr->frame_control)) 1186 return (hdr->addr3); 1187 return (hdr->addr1); 1188 } 1189 1190 static __inline bool 1191 ieee80211_is_frag(struct ieee80211_hdr *hdr) 1192 { 1193 TODO(); 1194 return (false); 1195 } 1196 1197 static __inline bool 1198 ieee80211_is_first_frag(__le16 fc) 1199 { 1200 TODO(); 1201 return (false); 1202 } 1203 1204 static __inline bool 1205 ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 1206 { 1207 TODO(); 1208 return (false); 1209 } 1210 1211 static __inline bool 1212 ieee80211_is_ftm(struct sk_buff *skb) 1213 { 1214 TODO(); 1215 return (false); 1216 } 1217 1218 static __inline bool 1219 ieee80211_is_timing_measurement(struct sk_buff *skb) 1220 { 1221 TODO(); 1222 return (false); 1223 } 1224 1225 static __inline bool 1226 ieee80211_has_pm(__le16 fc) 1227 { 1228 TODO(); 1229 return (false); 1230 } 1231 1232 static __inline bool 1233 ieee80211_has_morefrags(__le16 fc) 1234 { 1235 1236 fc &= htole16(IEEE80211_FC1_MORE_FRAG << 8); 1237 return (fc != 0); 1238 } 1239 1240 static __inline u8 * 1241 ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 1242 { 1243 if (ieee80211_has_a4(hdr->frame_control)) 1244 return (u8 *)hdr + 30; 1245 else 1246 return (u8 *)hdr + 24; 1247 } 1248 1249 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 1250