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 /* 80211-2020 9.3.3.2 Format of Management frames */ 499 struct ieee80211_mgmt { 500 __le16 frame_control; 501 __le16 duration_id; 502 uint8_t da[ETH_ALEN]; 503 uint8_t sa[ETH_ALEN]; 504 uint8_t bssid[ETH_ALEN]; 505 __le16 seq_ctrl; 506 union { 507 /* 9.3.3.3 Beacon frame format */ 508 struct { 509 uint64_t timestamp; 510 uint16_t beacon_int; 511 uint16_t capab_info; 512 uint8_t variable[0]; 513 } beacon; 514 /* 9.3.3.5 Association Request frame format */ 515 struct { 516 uint16_t capab_info; 517 uint16_t listen_interval; 518 uint8_t variable[0]; 519 } assoc_req; 520 /* 9.3.3.10 Probe Request frame format */ 521 struct { 522 uint8_t variable[0]; 523 } probe_req; 524 /* 9.3.3.11 Probe Response frame format */ 525 struct { 526 uint64_t timestamp; 527 uint16_t beacon_int; 528 uint16_t capab_info; 529 uint8_t variable[0]; 530 } probe_resp; 531 /* 9.3.3.14 Action frame format */ 532 struct { 533 /* 9.4.1.11 Action field */ 534 uint8_t category; 535 /* 9.6.8 Public Action details */ 536 union { 537 /* 9.6.2.5 TPC Report frame format */ 538 struct { 539 uint8_t spec_mgmt; 540 uint8_t dialog_token; 541 /* uint32_t tpc_rep_elem:: */ 542 uint8_t tpc_elem_id; 543 uint8_t tpc_elem_length; 544 uint8_t tpc_elem_tx_power; 545 uint8_t tpc_elem_link_margin; 546 } tpc_report; 547 /* 9.6.8.33 Fine Timing Measurement frame format */ 548 struct { 549 uint8_t dialog_token; 550 uint8_t follow_up; 551 uint8_t tod[6]; 552 uint8_t toa[6]; 553 uint16_t tod_error; 554 uint16_t toa_error; 555 uint8_t variable[0]; 556 } ftm; 557 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 558 struct { 559 uint8_t action_code; 560 uint8_t dialog_token; 561 uint16_t capab; 562 uint16_t timeout; 563 uint16_t start_seq_num; 564 /* Optional follows... */ 565 uint8_t variable[0]; 566 } addba_req; 567 /* XXX */ 568 struct { 569 uint8_t dialog_token; 570 } wnm_timing_msr; 571 } u; 572 } action; 573 DECLARE_FLEX_ARRAY(uint8_t, body); 574 } u; 575 }; 576 577 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 578 __le16 frame_control; 579 __le16 duration; 580 uint8_t ra[ETH_ALEN]; 581 } __packed; 582 583 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 584 __le16 frame_control; 585 __le16 duration; 586 uint8_t ra[ETH_ALEN]; 587 uint8_t ta[ETH_ALEN]; 588 } __packed; 589 590 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 591 #define DBI_TO_MBI(_g) ((_g) * 100) 592 #define MBI_TO_DBI(_x) ((_x) / 100) 593 #define DBM_TO_MBM(_g) ((_g) * 100) 594 #define MBM_TO_DBM(_x) ((_x) / 100) 595 596 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 597 IEEE80211_SEQ_SEQ_SHIFT) 598 #define IEEE80211_SN_TO_SEQ(_sn) (((_sn) << IEEE80211_SEQ_SEQ_SHIFT) & \ 599 IEEE80211_SEQ_SEQ_MASK) 600 601 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 602 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 603 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 604 605 /* 9.4.2.21.1, Table 9-82. */ 606 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 607 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 608 609 /* 9.4.2.1, Table 9-77. Element IDs. */ 610 enum ieee80211_eid { 611 WLAN_EID_SSID = 0, 612 WLAN_EID_SUPP_RATES = 1, 613 WLAN_EID_DS_PARAMS = 3, 614 WLAN_EID_TIM = 5, 615 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 616 WLAN_EID_REQUEST = 10, 617 WLAN_EID_QBSS_LOAD = 11, /* IEEE80211_ELEMID_BSSLOAD */ 618 WLAN_EID_CHANNEL_SWITCH = 37, 619 WLAN_EID_MEASURE_REPORT = 39, 620 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 621 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 622 WLAN_EID_EXT_SUPP_RATES = 50, 623 WLAN_EID_EXT_NON_INHERITANCE = 56, 624 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 625 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 626 WLAN_EID_MULTI_BSSID_IDX = 85, 627 WLAN_EID_EXT_CAPABILITY = 127, 628 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 629 WLAN_EID_S1G_TWT = 216, 630 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 631 }; 632 633 enum ieee80211_eid_ext { 634 WLAN_EID_EXT_HE_CAPABILITY = 35, 635 }; 636 637 #define for_each_element(_elem, _data, _len) \ 638 for (_elem = (const struct element *)(_data); \ 639 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 640 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 641 _elem = (const struct element *)(_elem->data + _elem->datalen)) 642 643 #define for_each_element_id(_elem, _eid, _data, _len) \ 644 for_each_element(_elem, _data, _len) \ 645 if (_elem->id == (_eid)) 646 647 /* 9.4.1.7, Table 9-45. Reason codes. */ 648 enum ieee80211_reason_code { 649 /* reserved = 0, */ 650 WLAN_REASON_UNSPECIFIED = 1, 651 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 652 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 653 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 654 }; 655 656 /* 9.4.1.9, Table 9-46. Status codes. */ 657 enum ieee80211_status_code { 658 WLAN_STATUS_SUCCESS = 0, 659 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 660 }; 661 662 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 663 struct ieee80211_trigger { 664 __le16 frame_control; 665 __le16 duration_id; 666 uint8_t ra[ETH_ALEN]; 667 uint8_t ta[ETH_ALEN]; 668 __le64 common_info; /* 8+ really */ 669 uint8_t variable[]; 670 }; 671 672 /* Table 9-29c-Trigger Type subfield encoding */ 673 enum { 674 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 675 IEEE80211_TRIGGER_TYPE_MU_BAR = 0x2, 676 #if 0 677 /* Not seen yet. */ 678 BFRP = 0x1, 679 MU-RTS = 0x3, 680 BSRP = 0x4, 681 GCR MU-BAR = 0x5, 682 BQRP = 0x6, 683 NFRP = 0x7, 684 /* 0x8..0xf reserved */ 685 #endif 686 IEEE80211_TRIGGER_TYPE_MASK = 0xf 687 }; 688 689 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 690 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 691 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 692 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 693 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 694 695 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 696 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 697 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 698 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 699 700 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 701 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 702 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 703 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 704 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 705 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 706 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 707 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 708 709 struct ieee80211_twt_params { 710 int mantissa, min_twt_dur, twt; 711 uint16_t req_type; 712 }; 713 714 struct ieee80211_twt_setup { 715 int control; 716 struct ieee80211_twt_params *params; 717 }; 718 719 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 720 enum ieee80211_twt_setup_cmd { 721 TWT_SETUP_CMD_REQUEST = 0, 722 TWT_SETUP_CMD_SUGGEST = 1, 723 /* DEMAND = 2, */ 724 /* GROUPING = 3, */ 725 TWT_SETUP_CMD_ACCEPT = 4, 726 /* ALTERNATE = 5 */ 727 TWT_SETUP_CMD_DICTATE = 6, 728 TWT_SETUP_CMD_REJECT = 7, 729 }; 730 731 struct ieee80211_bssid_index { 732 int bssid_index; 733 }; 734 735 enum ieee80211_ap_reg_power { 736 IEEE80211_REG_UNSET_AP, 737 IEEE80211_REG_LPI_AP, 738 IEEE80211_REG_SP_AP, 739 IEEE80211_REG_VLP_AP, 740 }; 741 742 /* 743 * 802.11ax-2021, Table 9-277-Meaning of Maximum Transmit Power Count subfield 744 * if Maximum Transmit Power Interpretation subfield is 1 or 3 745 */ 746 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 747 748 /* 749 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 750 * encoding (4) * Table E-12-Regulatory Info subfield encoding in the 751 * United States (2) 752 */ 753 #define IEEE80211_TPE_MAX_IE_NUM 8 754 755 /* 802.11ax-2021, 9.4.2.161 Transmit Power Envelope element */ 756 struct ieee80211_tx_pwr_env { 757 uint8_t tx_power_info; 758 uint8_t tx_power[IEEE80211_MAX_NUM_PWR_LEVEL]; 759 }; 760 761 /* 802.11ax-2021, Figure 9-617-Transmit Power Information field format */ 762 /* These are field masks (3bit/3bit/2bit). */ 763 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x07 764 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 765 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xc0 766 767 /* 768 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 769 * encoding 770 */ 771 enum ieee80211_tx_pwr_interpretation_subfield_enc { 772 IEEE80211_TPE_LOCAL_EIRP, 773 IEEE80211_TPE_LOCAL_EIRP_PSD, 774 IEEE80211_TPE_REG_CLIENT_EIRP, 775 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 776 }; 777 778 enum ieee80211_tx_pwr_category_6ghz { 779 IEEE80211_TPE_CAT_6GHZ_DEFAULT, 780 }; 781 782 /* 802.11-2020, 9.4.2.27 BSS Load element */ 783 struct ieee80211_bss_load_elem { 784 uint16_t sta_count; 785 uint8_t channel_util; 786 uint16_t avail_adm_capa; 787 }; 788 789 struct ieee80211_p2p_noa_desc { 790 uint32_t count; /* uint8_t ? */ 791 uint32_t duration; 792 uint32_t interval; 793 uint32_t start_time; 794 }; 795 796 struct ieee80211_p2p_noa_attr { 797 uint8_t index; 798 uint8_t oppps_ctwindow; 799 struct ieee80211_p2p_noa_desc desc[4]; 800 }; 801 802 803 /* net80211: IEEE80211_IS_CTL() */ 804 static __inline bool 805 ieee80211_is_ctl(__le16 fc) 806 { 807 __le16 v; 808 809 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 810 v = htole16(IEEE80211_FC0_TYPE_CTL); 811 812 return (fc == v); 813 } 814 815 /* net80211: IEEE80211_IS_DATA() */ 816 static __inline bool 817 ieee80211_is_data(__le16 fc) 818 { 819 __le16 v; 820 821 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 822 v = htole16(IEEE80211_FC0_TYPE_DATA); 823 824 return (fc == v); 825 } 826 827 /* net80211: IEEE80211_IS_QOSDATA() */ 828 static __inline bool 829 ieee80211_is_data_qos(__le16 fc) 830 { 831 __le16 v; 832 833 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 834 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 835 836 return (fc == v); 837 } 838 839 /* net80211: IEEE80211_IS_MGMT() */ 840 static __inline bool 841 ieee80211_is_mgmt(__le16 fc) 842 { 843 __le16 v; 844 845 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 846 v = htole16(IEEE80211_FC0_TYPE_MGT); 847 848 return (fc == v); 849 } 850 851 852 /* Derived from net80211::ieee80211_anyhdrsize. */ 853 static __inline unsigned int 854 ieee80211_hdrlen(__le16 fc) 855 { 856 unsigned int size; 857 858 if (ieee80211_is_ctl(fc)) { 859 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 860 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 861 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 862 return sizeof(struct ieee80211_frame_ack); 863 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 864 return sizeof(struct ieee80211_frame_bar); 865 } 866 return (sizeof(struct ieee80211_frame_min)); 867 } 868 869 size = sizeof(struct ieee80211_frame); 870 if (ieee80211_is_data(fc)) { 871 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 872 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 873 size += IEEE80211_ADDR_LEN; 874 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 875 IEEE80211_FC0_TYPE_MASK)) == 876 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 877 IEEE80211_FC0_TYPE_DATA)) 878 size += sizeof(uint16_t); 879 } 880 881 if (ieee80211_is_mgmt(fc)) { 882 #ifdef __notyet__ 883 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 884 __func__, fc, size); 885 #endif 886 ; 887 } 888 889 return (size); 890 } 891 892 static inline bool 893 ieee80211_is_trigger(__le16 fc) 894 { 895 __le16 v; 896 897 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 898 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 899 900 return (fc == v); 901 } 902 903 static __inline bool 904 ieee80211_is_action(__le16 fc) 905 { 906 __le16 v; 907 908 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 909 v = htole16(IEEE80211_FC0_SUBTYPE_ACTION | IEEE80211_FC0_TYPE_MGT); 910 911 return (fc == v); 912 } 913 914 static __inline bool 915 ieee80211_is_probe_resp(__le16 fc) 916 { 917 __le16 v; 918 919 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 920 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_RESP | IEEE80211_FC0_TYPE_MGT); 921 922 return (fc == v); 923 } 924 925 static __inline bool 926 ieee80211_is_auth(__le16 fc) 927 { 928 __le16 v; 929 930 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 931 v = htole16(IEEE80211_FC0_SUBTYPE_AUTH | IEEE80211_FC0_TYPE_MGT); 932 933 return (fc == v); 934 } 935 936 static __inline bool 937 ieee80211_is_assoc_req(__le16 fc) 938 { 939 __le16 v; 940 941 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 942 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 943 944 return (fc == v); 945 } 946 947 static __inline bool 948 ieee80211_is_assoc_resp(__le16 fc) 949 { 950 __le16 v; 951 952 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 953 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 954 955 return (fc == v); 956 } 957 958 static __inline bool 959 ieee80211_is_reassoc_req(__le16 fc) 960 { 961 __le16 v; 962 963 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 964 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 965 966 return (fc == v); 967 } 968 969 static __inline bool 970 ieee80211_is_reassoc_resp(__le16 fc) 971 { 972 __le16 v; 973 974 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 975 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 976 977 return (fc == v); 978 } 979 980 static __inline bool 981 ieee80211_is_disassoc(__le16 fc) 982 { 983 __le16 v; 984 985 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 986 v = htole16(IEEE80211_FC0_SUBTYPE_DISASSOC | IEEE80211_FC0_TYPE_MGT); 987 988 return (fc == v); 989 } 990 991 static __inline bool 992 ieee80211_is_data_present(__le16 fc) 993 { 994 __le16 v; 995 996 /* If it is a data frame and NODATA is not present. */ 997 fc &= htole16(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_NODATA); 998 v = htole16(IEEE80211_FC0_TYPE_DATA); 999 1000 return (fc == v); 1001 } 1002 1003 static __inline bool 1004 ieee80211_is_deauth(__le16 fc) 1005 { 1006 __le16 v; 1007 1008 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1009 v = htole16(IEEE80211_FC0_SUBTYPE_DEAUTH | IEEE80211_FC0_TYPE_MGT); 1010 1011 return (fc == v); 1012 } 1013 1014 static __inline bool 1015 ieee80211_is_beacon(__le16 fc) 1016 { 1017 __le16 v; 1018 1019 /* 1020 * For as much as I get it this comes in LE and unlike FreeBSD 1021 * where we get the entire frame header and u8[], here we get the 1022 * 9.2.4.1 Frame Control field only. Mask and compare. 1023 */ 1024 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1025 v = htole16(IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT); 1026 1027 return (fc == v); 1028 } 1029 1030 1031 static __inline bool 1032 ieee80211_is_probe_req(__le16 fc) 1033 { 1034 __le16 v; 1035 1036 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1037 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_REQ | IEEE80211_FC0_TYPE_MGT); 1038 1039 return (fc == v); 1040 } 1041 1042 static __inline bool 1043 ieee80211_has_protected(__le16 fc) 1044 { 1045 1046 return (fc & htole16(IEEE80211_FC1_PROTECTED << 8)); 1047 } 1048 1049 static __inline bool 1050 ieee80211_is_back_req(__le16 fc) 1051 { 1052 __le16 v; 1053 1054 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1055 v = htole16(IEEE80211_FC0_SUBTYPE_BAR | IEEE80211_FC0_TYPE_CTL); 1056 1057 return (fc == v); 1058 } 1059 1060 static __inline bool 1061 ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 1062 { 1063 struct ieee80211_mgmt *mgmt; 1064 __le16 fc; 1065 1066 mgmt = (struct ieee80211_mgmt *)skb->data; 1067 fc = mgmt->frame_control; 1068 1069 /* 11.2.2 Bufferable MMPDUs, 80211-2020. */ 1070 /* XXX we do not care about IBSS yet. */ 1071 1072 if (!ieee80211_is_mgmt(fc)) 1073 return (false); 1074 if (ieee80211_is_action(fc)) /* XXX FTM? */ 1075 return (true); /* XXX false? */ 1076 if (ieee80211_is_disassoc(fc)) 1077 return (true); 1078 if (ieee80211_is_deauth(fc)) 1079 return (true); 1080 1081 TODO(); 1082 1083 return (false); 1084 } 1085 1086 static __inline bool 1087 ieee80211_is_nullfunc(__le16 fc) 1088 { 1089 __le16 v; 1090 1091 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1092 v = htole16(IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA); 1093 1094 return (fc == v); 1095 } 1096 1097 static __inline bool 1098 ieee80211_is_qos_nullfunc(__le16 fc) 1099 { 1100 __le16 v; 1101 1102 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1103 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_NULL | IEEE80211_FC0_TYPE_DATA); 1104 1105 return (fc == v); 1106 } 1107 1108 static __inline bool 1109 ieee80211_is_any_nullfunc(__le16 fc) 1110 { 1111 1112 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 1113 } 1114 1115 static inline bool 1116 ieee80211_is_pspoll(__le16 fc) 1117 { 1118 __le16 v; 1119 1120 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1121 v = htole16(IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL); 1122 1123 return (fc == v); 1124 } 1125 1126 static __inline bool 1127 ieee80211_has_a4(__le16 fc) 1128 { 1129 __le16 v; 1130 1131 fc &= htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1132 v = htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1133 1134 return (fc == v); 1135 } 1136 1137 static __inline bool 1138 ieee80211_has_order(__le16 fc) 1139 { 1140 1141 return (fc & htole16(IEEE80211_FC1_ORDER << 8)); 1142 } 1143 1144 static __inline bool 1145 ieee80211_has_retry(__le16 fc) 1146 { 1147 1148 return (fc & htole16(IEEE80211_FC1_RETRY << 8)); 1149 } 1150 1151 1152 static __inline bool 1153 ieee80211_has_fromds(__le16 fc) 1154 { 1155 1156 return (fc & htole16(IEEE80211_FC1_DIR_FROMDS << 8)); 1157 } 1158 1159 static __inline bool 1160 ieee80211_has_tods(__le16 fc) 1161 { 1162 1163 return (fc & htole16(IEEE80211_FC1_DIR_TODS << 8)); 1164 } 1165 1166 static __inline uint8_t * 1167 ieee80211_get_SA(struct ieee80211_hdr *hdr) 1168 { 1169 1170 if (ieee80211_has_a4(hdr->frame_control)) 1171 return (hdr->addr4); 1172 if (ieee80211_has_fromds(hdr->frame_control)) 1173 return (hdr->addr3); 1174 return (hdr->addr2); 1175 } 1176 1177 static __inline uint8_t * 1178 ieee80211_get_DA(struct ieee80211_hdr *hdr) 1179 { 1180 1181 if (ieee80211_has_tods(hdr->frame_control)) 1182 return (hdr->addr3); 1183 return (hdr->addr1); 1184 } 1185 1186 static __inline bool 1187 ieee80211_is_frag(struct ieee80211_hdr *hdr) 1188 { 1189 TODO(); 1190 return (false); 1191 } 1192 1193 static __inline bool 1194 ieee80211_is_first_frag(__le16 fc) 1195 { 1196 TODO(); 1197 return (false); 1198 } 1199 1200 static __inline bool 1201 ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 1202 { 1203 TODO(); 1204 return (false); 1205 } 1206 1207 static __inline bool 1208 ieee80211_is_ftm(struct sk_buff *skb) 1209 { 1210 TODO(); 1211 return (false); 1212 } 1213 1214 static __inline bool 1215 ieee80211_is_timing_measurement(struct sk_buff *skb) 1216 { 1217 TODO(); 1218 return (false); 1219 } 1220 1221 static __inline bool 1222 ieee80211_has_pm(__le16 fc) 1223 { 1224 TODO(); 1225 return (false); 1226 } 1227 1228 static __inline bool 1229 ieee80211_has_morefrags(__le16 fc) 1230 { 1231 1232 fc &= htole16(IEEE80211_FC1_MORE_FRAG << 8); 1233 return (fc != 0); 1234 } 1235 1236 static __inline u8 * 1237 ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 1238 { 1239 if (ieee80211_has_a4(hdr->frame_control)) 1240 return (u8 *)hdr + 30; 1241 else 1242 return (u8 *)hdr + 24; 1243 } 1244 1245 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 1246