1 /*- 2 * Copyright (c) 2020-2024 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 68 #define IEEE80211_MAX_PN_LEN 16 69 70 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 71 72 #define IEEE80211_MAX_AMPDU_BUF_HT IEEE80211_AGGR_BAWMAX 73 #define IEEE80211_MAX_AMPDU_BUF_HE 256 74 #define IEEE80211_MAX_AMPDU_BUF_EHT 1024 75 76 #define IEEE80211_MAX_FRAME_LEN 2352 77 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 78 79 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 80 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 81 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 82 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 83 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 84 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 85 86 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 87 88 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 89 90 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 91 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 92 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 93 94 /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ 95 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 96 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 97 #define IEEE80211_QOS_CTL_EOSP 0x0010 98 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 99 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 100 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 101 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 102 103 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) 104 105 enum ieee80211_rate_control_changed_flags { 106 IEEE80211_RC_BW_CHANGED = BIT(0), 107 IEEE80211_RC_NSS_CHANGED = BIT(1), 108 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 109 IEEE80211_RC_SMPS_CHANGED = BIT(3), 110 }; 111 112 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 113 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 114 115 #define IEEE80211_TKIP_ICV_LEN 4 116 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 117 118 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ 119 120 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 121 122 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 123 #define IEEE80211_WEP_ICV_LEN 4 124 125 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 126 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 127 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 128 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 129 130 enum wlan_ht_cap_sm_ps { 131 WLAN_HT_CAP_SM_PS_STATIC = 0, 132 WLAN_HT_CAP_SM_PS_DYNAMIC, 133 WLAN_HT_CAP_SM_PS_INVALID, 134 WLAN_HT_CAP_SM_PS_DISABLED, 135 }; 136 137 #define WLAN_MAX_KEY_LEN 32 138 #define WLAN_PMKID_LEN 16 139 #define WLAN_PMK_LEN_SUITE_B_192 48 140 141 enum ieee80211_key_len { 142 WLAN_KEY_LEN_WEP40 = 5, 143 WLAN_KEY_LEN_WEP104 = 13, 144 WLAN_KEY_LEN_TKIP = 32, 145 WLAN_KEY_LEN_CCMP = 16, 146 WLAN_KEY_LEN_GCMP = 16, 147 WLAN_KEY_LEN_AES_CMAC = 16, 148 WLAN_KEY_LEN_GCMP_256 = 32, 149 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 150 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 151 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 152 }; 153 154 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 155 enum ieee80211_min_mpdu_start_spacing { 156 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 157 #if 0 158 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 159 #endif 160 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 us */ 161 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 162 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 163 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 164 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 165 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 166 }; 167 168 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 169 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 170 171 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 172 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 173 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 174 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 175 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 176 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 177 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 178 #define IEEE80211_FCTL_PM (IEEE80211_FC1_PWR_MGT << 8) 179 180 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 181 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 182 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 183 184 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 185 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 186 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 187 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 188 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 189 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 190 #define IEEE80211_STYPE_CTS IEEE80211_FC0_SUBTYPE_CTS 191 #define IEEE80211_STYPE_RTS IEEE80211_FC0_SUBTYPE_RTS 192 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 193 #define IEEE80211_STYPE_DATA IEEE80211_FC0_SUBTYPE_DATA 194 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 195 #define IEEE80211_STYPE_QOS_NULLFUNC IEEE80211_FC0_SUBTYPE_QOS_NULL 196 #define IEEE80211_STYPE_QOS_CFACK 0xd0 /* XXX-BZ reserved? */ 197 198 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 199 200 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 201 202 203 /* Figure 9-27, BAR Control field */ 204 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 205 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 206 207 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 208 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 209 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 210 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 211 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 212 213 /* 802.11-2012, Table 8-130-HT Operation element fields and subfields, HT Protection */ 214 #define IEEE80211_HT_OP_MODE_PROTECTION IEEE80211_HTINFO_OPMODE /* Mask. */ 215 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE IEEE80211_HTINFO_OPMODE_PURE /* No protection */ 216 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER IEEE80211_HTINFO_OPMODE_PROTOPT /* Nonmember protection */ 217 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ IEEE80211_HTINFO_OPMODE_HT20PR /* 20 MHz protection */ 218 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED IEEE80211_HTINFO_OPMODE_MIXED /* Non-HT mixed */ 219 220 221 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 222 enum ieee80211_tdls_action_code { 223 WLAN_TDLS_SETUP_REQUEST = 0, 224 WLAN_TDLS_SETUP_RESPONSE = 1, 225 WLAN_TDLS_SETUP_CONFIRM = 2, 226 WLAN_TDLS_TEARDOWN = 3, 227 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 228 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 229 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 230 WLAN_TDLS_PEER_PSM_REQUEST = 7, 231 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 232 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 233 WLAN_TDLS_DISCOVERY_REQUEST = 10, 234 /* 11-255 reserved */ 235 }; 236 237 /* 802.11-2020 9.4.2.26, Table 9-153. Extended Capabilities field. */ 238 /* This is split up into octets CAPA1 = octet 1, ... */ 239 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 240 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 241 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(23 % 8) 242 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 243 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(63 % 8) 244 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(64 % 8) 245 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(77 % 8) 246 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(78 % 8) 247 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(79 % 8) 248 249 #define WLAN_EXT_CAPA11_EMA_SUPPORT 0x00 /* XXX TODO FIXME */ 250 251 252 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 253 /* Would be so much easier if we'd define constants to the same. */ 254 enum ieee80211_ac_numbers { 255 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 256 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 257 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 258 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 259 }; 260 261 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 262 263 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 264 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 265 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 266 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 267 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 268 269 270 /* Define the LinuxKPI names directly to the net80211 ones. */ 271 #define IEEE80211_HT_CAP_LDPC_CODING IEEE80211_HTCAP_LDPC 272 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 IEEE80211_HTCAP_CHWIDTH40 273 #define IEEE80211_HT_CAP_SM_PS IEEE80211_HTCAP_SMPS 274 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 275 #define IEEE80211_HT_CAP_GRN_FLD IEEE80211_HTCAP_GREENFIELD 276 #define IEEE80211_HT_CAP_SGI_20 IEEE80211_HTCAP_SHORTGI20 277 #define IEEE80211_HT_CAP_SGI_40 IEEE80211_HTCAP_SHORTGI40 278 #define IEEE80211_HT_CAP_TX_STBC IEEE80211_HTCAP_TXSTBC 279 #define IEEE80211_HT_CAP_RX_STBC IEEE80211_HTCAP_RXSTBC 280 #define IEEE80211_HT_CAP_RX_STBC_SHIFT IEEE80211_HTCAP_RXSTBC_S 281 #define IEEE80211_HT_CAP_MAX_AMSDU IEEE80211_HTCAP_MAXAMSDU 282 #define IEEE80211_HT_CAP_DSSSCCK40 IEEE80211_HTCAP_DSSSCCK40 283 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT IEEE80211_HTCAP_LSIGTXOPPROT 284 285 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 286 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 287 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 288 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 289 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 290 #define IEEE80211_HT_MCS_MASK_LEN 10 291 292 #define IEEE80211_MLD_MAX_NUM_LINKS 15 293 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 294 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 295 296 struct ieee80211_mcs_info { 297 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 298 uint16_t rx_highest; 299 uint8_t tx_params; 300 uint8_t __reserved[3]; 301 }; 302 303 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 304 struct ieee80211_ht_cap { 305 uint16_t cap_info; 306 uint8_t ampdu_params_info; 307 struct ieee80211_mcs_info mcs; 308 uint16_t extended_ht_cap_info; 309 uint32_t tx_BF_cap_info; 310 uint8_t antenna_selection_info; 311 }; 312 313 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 314 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 315 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 316 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 317 318 enum ieee80211_ht_max_ampdu_len { 319 IEEE80211_HT_MAX_AMPDU_64K 320 }; 321 322 enum ieee80211_ampdu_mlme_action { 323 IEEE80211_AMPDU_RX_START, 324 IEEE80211_AMPDU_RX_STOP, 325 IEEE80211_AMPDU_TX_OPERATIONAL, 326 IEEE80211_AMPDU_TX_START, 327 IEEE80211_AMPDU_TX_STOP_CONT, 328 IEEE80211_AMPDU_TX_STOP_FLUSH, 329 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 330 }; 331 332 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 333 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 334 335 enum ieee80211_chanctx_switch_mode { 336 CHANCTX_SWMODE_REASSIGN_VIF, 337 CHANCTX_SWMODE_SWAP_CONTEXTS, 338 }; 339 340 enum ieee80211_chanctx_change_flags { 341 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 342 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 343 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 344 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 345 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 346 IEEE80211_CHANCTX_CHANGE_PUNCTURING = BIT(5), 347 }; 348 349 enum ieee80211_frame_release_type { 350 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 351 IEEE80211_FRAME_RELEASE_UAPSD = 2, 352 }; 353 354 enum ieee80211_p2p_attr_ids { 355 IEEE80211_P2P_ATTR_DEVICE_ID, 356 IEEE80211_P2P_ATTR_DEVICE_INFO, 357 IEEE80211_P2P_ATTR_GROUP_ID, 358 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 359 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 360 }; 361 362 enum ieee80211_reconfig_type { 363 IEEE80211_RECONFIG_TYPE_RESTART, 364 IEEE80211_RECONFIG_TYPE_SUSPEND, 365 }; 366 367 enum ieee80211_roc_type { 368 IEEE80211_ROC_TYPE_MGMT_TX, 369 IEEE80211_ROC_TYPE_NORMAL, 370 }; 371 372 enum ieee80211_smps_mode { 373 IEEE80211_SMPS_OFF, 374 IEEE80211_SMPS_STATIC, 375 IEEE80211_SMPS_DYNAMIC, 376 IEEE80211_SMPS_AUTOMATIC, 377 IEEE80211_SMPS_NUM_MODES, 378 }; 379 380 /* net80211::IEEE80211_S_* different but represents the state machine. */ 381 /* Note: order here is important! */ 382 enum ieee80211_sta_state { 383 IEEE80211_STA_NOTEXIST = 0, 384 IEEE80211_STA_NONE = 1, 385 IEEE80211_STA_AUTH = 2, 386 IEEE80211_STA_ASSOC = 3, 387 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 388 }; 389 390 enum ieee80211_sta_rx_bw { 391 IEEE80211_STA_RX_BW_20, 392 IEEE80211_STA_RX_BW_40, 393 IEEE80211_STA_RX_BW_80, 394 IEEE80211_STA_RX_BW_160, 395 IEEE80211_STA_RX_BW_320, 396 }; 397 398 enum ieee80211_tx_info_flags { 399 /* XXX TODO .. right shift numbers - not sure where that came from? */ 400 IEEE80211_TX_CTL_AMPDU = BIT(0), 401 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 402 IEEE80211_TX_CTL_NO_ACK = BIT(2), 403 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 404 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 405 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 406 IEEE80211_TX_STATUS_EOSP = BIT(6), 407 IEEE80211_TX_STAT_ACK = BIT(7), 408 IEEE80211_TX_STAT_AMPDU = BIT(8), 409 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 410 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 411 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 412 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 413 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 414 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 415 IEEE80211_TX_CTL_INJECTED = BIT(15), 416 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 417 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 418 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 419 IEEE80211_TX_CTL_LDPC = BIT(19), 420 IEEE80211_TX_CTL_STBC = BIT(20), 421 }; 422 423 enum ieee80211_tx_status_flags { 424 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 425 }; 426 427 enum ieee80211_tx_control_flags { 428 /* XXX TODO .. right shift numbers */ 429 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 430 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 431 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 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 /* 9.3.3.10 Probe Request frame format */ 515 struct { 516 uint8_t variable[0]; 517 } probe_req; 518 /* 9.3.3.11 Probe Response frame format */ 519 struct { 520 uint64_t timestamp; 521 uint16_t beacon_int; 522 uint16_t capab_info; 523 uint8_t variable[0]; 524 } probe_resp; 525 /* 9.3.3.14 Action frame format */ 526 struct { 527 /* 9.4.1.11 Action field */ 528 uint8_t category; 529 /* 9.6.8 Public Action details */ 530 union { 531 /* 9.6.2.5 TPC Report frame format */ 532 struct { 533 uint8_t spec_mgmt; 534 uint8_t dialog_token; 535 /* uint32_t tpc_rep_elem:: */ 536 uint8_t tpc_elem_id; 537 uint8_t tpc_elem_length; 538 uint8_t tpc_elem_tx_power; 539 uint8_t tpc_elem_link_margin; 540 } tpc_report; 541 /* 9.6.8.33 Fine Timing Measurement frame format */ 542 struct { 543 uint8_t dialog_token; 544 uint8_t follow_up; 545 uint8_t tod[6]; 546 uint8_t toa[6]; 547 uint16_t tod_error; 548 uint16_t toa_error; 549 uint8_t variable[0]; 550 } ftm; 551 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 552 struct { 553 uint8_t action_code; 554 uint8_t dialog_token; 555 uint16_t capab; 556 uint16_t timeout; 557 uint16_t start_seq_num; 558 /* Optional follows... */ 559 uint8_t variable[0]; 560 } addba_req; 561 /* XXX */ 562 struct { 563 uint8_t dialog_token; 564 } wnm_timing_msr; 565 } u; 566 } action; 567 DECLARE_FLEX_ARRAY(uint8_t, body); 568 } u; 569 }; 570 571 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 572 __le16 frame_control; 573 __le16 duration; 574 uint8_t ra[ETH_ALEN]; 575 } __packed; 576 577 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 578 __le16 frame_control; 579 __le16 duration; 580 uint8_t ra[ETH_ALEN]; 581 uint8_t ta[ETH_ALEN]; 582 } __packed; 583 584 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 585 #define DBI_TO_MBI(_g) ((_g) * 100) 586 #define MBI_TO_DBI(_x) ((_x) / 100) 587 #define DBM_TO_MBM(_g) ((_g) * 100) 588 #define MBM_TO_DBM(_x) ((_x) / 100) 589 590 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 591 IEEE80211_SEQ_SEQ_SHIFT) 592 #define IEEE80211_SN_TO_SEQ(_sn) (((_sn) << IEEE80211_SEQ_SEQ_SHIFT) & \ 593 IEEE80211_SEQ_SEQ_MASK) 594 595 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 596 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 597 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 598 599 /* 9.4.2.21.1, Table 9-82. */ 600 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 601 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 602 603 /* 9.4.2.1, Table 9-77. Element IDs. */ 604 enum ieee80211_eid { 605 WLAN_EID_SSID = 0, 606 WLAN_EID_SUPP_RATES = 1, 607 WLAN_EID_DS_PARAMS = 3, 608 WLAN_EID_TIM = 5, 609 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 610 WLAN_EID_REQUEST = 10, 611 WLAN_EID_QBSS_LOAD = 11, /* IEEE80211_ELEMID_BSSLOAD */ 612 WLAN_EID_CHANNEL_SWITCH = 37, 613 WLAN_EID_MEASURE_REPORT = 39, 614 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 615 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 616 WLAN_EID_EXT_SUPP_RATES = 50, 617 WLAN_EID_EXT_NON_INHERITANCE = 56, 618 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 619 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 620 WLAN_EID_MULTI_BSSID_IDX = 85, 621 WLAN_EID_EXT_CAPABILITY = 127, 622 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 623 WLAN_EID_S1G_TWT = 216, 624 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 625 }; 626 627 enum ieee80211_eid_ext { 628 WLAN_EID_EXT_HE_CAPABILITY = 35, 629 }; 630 631 #define for_each_element(_elem, _data, _len) \ 632 for (_elem = (const struct element *)(_data); \ 633 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 634 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 635 _elem = (const struct element *)(_elem->data + _elem->datalen)) 636 637 #define for_each_element_id(_elem, _eid, _data, _len) \ 638 for_each_element(_elem, _data, _len) \ 639 if (_elem->id == (_eid)) 640 641 /* 9.4.1.7, Table 9-45. Reason codes. */ 642 enum ieee80211_reason_code { 643 /* reserved = 0, */ 644 WLAN_REASON_UNSPECIFIED = 1, 645 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 646 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 647 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 648 }; 649 650 /* 9.4.1.9, Table 9-46. Status codes. */ 651 enum ieee80211_status_code { 652 WLAN_STATUS_SUCCESS = 0, 653 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 654 }; 655 656 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 657 struct ieee80211_trigger { 658 __le16 frame_control; 659 __le16 duration_id; 660 uint8_t ra[ETH_ALEN]; 661 uint8_t ta[ETH_ALEN]; 662 __le64 common_info; /* 8+ really */ 663 uint8_t variable[]; 664 }; 665 666 /* Table 9-29c-Trigger Type subfield encoding */ 667 enum { 668 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 669 IEEE80211_TRIGGER_TYPE_MU_BAR = 0x2, 670 #if 0 671 /* Not seen yet. */ 672 BFRP = 0x1, 673 MU-RTS = 0x3, 674 BSRP = 0x4, 675 GCR MU-BAR = 0x5, 676 BQRP = 0x6, 677 NFRP = 0x7, 678 /* 0x8..0xf reserved */ 679 #endif 680 IEEE80211_TRIGGER_TYPE_MASK = 0xf 681 }; 682 683 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 684 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 685 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 686 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 687 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 688 689 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 690 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 691 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 692 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 693 694 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 695 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 696 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 697 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 698 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 699 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 700 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 701 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 702 703 struct ieee80211_twt_params { 704 int mantissa, min_twt_dur, twt; 705 uint16_t req_type; 706 }; 707 708 struct ieee80211_twt_setup { 709 int control; 710 struct ieee80211_twt_params *params; 711 }; 712 713 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 714 enum ieee80211_twt_setup_cmd { 715 TWT_SETUP_CMD_REQUEST = 0, 716 TWT_SETUP_CMD_SUGGEST = 1, 717 /* DEMAND = 2, */ 718 /* GROUPING = 3, */ 719 TWT_SETUP_CMD_ACCEPT = 4, 720 /* ALTERNATE = 5 */ 721 TWT_SETUP_CMD_DICTATE = 6, 722 TWT_SETUP_CMD_REJECT = 7, 723 }; 724 725 struct ieee80211_bssid_index { 726 int bssid_index; 727 }; 728 729 enum ieee80211_ap_reg_power { 730 IEEE80211_REG_UNSET_AP, 731 IEEE80211_REG_LPI_AP, 732 IEEE80211_REG_SP_AP, 733 IEEE80211_REG_VLP_AP, 734 }; 735 736 /* 737 * 802.11ax-2021, Table 9-277-Meaning of Maximum Transmit Power Count subfield 738 * if Maximum Transmit Power Interpretation subfield is 1 or 3 739 */ 740 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 741 742 /* 743 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 744 * encoding (4) * Table E-12-Regulatory Info subfield encoding in the 745 * United States (2) 746 */ 747 #define IEEE80211_TPE_MAX_IE_NUM 8 748 749 /* 802.11ax-2021, 9.4.2.161 Transmit Power Envelope element */ 750 struct ieee80211_tx_pwr_env { 751 uint8_t tx_power_info; 752 uint8_t tx_power[IEEE80211_MAX_NUM_PWR_LEVEL]; 753 }; 754 755 /* 802.11ax-2021, Figure 9-617-Transmit Power Information field format */ 756 /* These are field masks (3bit/3bit/2bit). */ 757 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x07 758 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 759 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xc0 760 761 /* 762 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 763 * encoding 764 */ 765 enum ieee80211_tx_pwr_interpretation_subfield_enc { 766 IEEE80211_TPE_LOCAL_EIRP, 767 IEEE80211_TPE_LOCAL_EIRP_PSD, 768 IEEE80211_TPE_REG_CLIENT_EIRP, 769 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 770 }; 771 772 enum ieee80211_tx_pwr_category_6ghz { 773 IEEE80211_TPE_CAT_6GHZ_DEFAULT, 774 }; 775 776 /* 802.11-2020, 9.4.2.27 BSS Load element */ 777 struct ieee80211_bss_load_elem { 778 uint16_t sta_count; 779 uint8_t channel_util; 780 uint16_t avail_adm_capa; 781 }; 782 783 /* net80211: IEEE80211_IS_CTL() */ 784 static __inline bool 785 ieee80211_is_ctl(__le16 fc) 786 { 787 __le16 v; 788 789 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 790 v = htole16(IEEE80211_FC0_TYPE_CTL); 791 792 return (fc == v); 793 } 794 795 /* net80211: IEEE80211_IS_DATA() */ 796 static __inline bool 797 ieee80211_is_data(__le16 fc) 798 { 799 __le16 v; 800 801 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 802 v = htole16(IEEE80211_FC0_TYPE_DATA); 803 804 return (fc == v); 805 } 806 807 /* net80211: IEEE80211_IS_QOSDATA() */ 808 static __inline bool 809 ieee80211_is_data_qos(__le16 fc) 810 { 811 __le16 v; 812 813 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 814 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 815 816 return (fc == v); 817 } 818 819 /* net80211: IEEE80211_IS_MGMT() */ 820 static __inline bool 821 ieee80211_is_mgmt(__le16 fc) 822 { 823 __le16 v; 824 825 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 826 v = htole16(IEEE80211_FC0_TYPE_MGT); 827 828 return (fc == v); 829 } 830 831 832 /* Derived from net80211::ieee80211_anyhdrsize. */ 833 static __inline unsigned int 834 ieee80211_hdrlen(__le16 fc) 835 { 836 unsigned int size; 837 838 if (ieee80211_is_ctl(fc)) { 839 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 840 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 841 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 842 return sizeof(struct ieee80211_frame_ack); 843 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 844 return sizeof(struct ieee80211_frame_bar); 845 } 846 return (sizeof(struct ieee80211_frame_min)); 847 } 848 849 size = sizeof(struct ieee80211_frame); 850 if (ieee80211_is_data(fc)) { 851 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 852 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 853 size += IEEE80211_ADDR_LEN; 854 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 855 IEEE80211_FC0_TYPE_MASK)) == 856 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 857 IEEE80211_FC0_TYPE_DATA)) 858 size += sizeof(uint16_t); 859 } 860 861 if (ieee80211_is_mgmt(fc)) { 862 #ifdef __notyet__ 863 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 864 __func__, fc, size); 865 #endif 866 ; 867 } 868 869 return (size); 870 } 871 872 static inline bool 873 ieee80211_is_trigger(__le16 fc) 874 { 875 __le16 v; 876 877 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 878 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 879 880 return (fc == v); 881 } 882 883 static __inline bool 884 ieee80211_is_action(__le16 fc) 885 { 886 __le16 v; 887 888 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 889 v = htole16(IEEE80211_FC0_SUBTYPE_ACTION | IEEE80211_FC0_TYPE_MGT); 890 891 return (fc == v); 892 } 893 894 static __inline bool 895 ieee80211_is_probe_resp(__le16 fc) 896 { 897 __le16 v; 898 899 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 900 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_RESP | IEEE80211_FC0_TYPE_MGT); 901 902 return (fc == v); 903 } 904 905 static __inline bool 906 ieee80211_is_auth(__le16 fc) 907 { 908 __le16 v; 909 910 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 911 v = htole16(IEEE80211_FC0_SUBTYPE_AUTH | IEEE80211_FC0_TYPE_MGT); 912 913 return (fc == v); 914 } 915 916 static __inline bool 917 ieee80211_is_assoc_req(__le16 fc) 918 { 919 __le16 v; 920 921 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 922 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 923 924 return (fc == v); 925 } 926 927 static __inline bool 928 ieee80211_is_assoc_resp(__le16 fc) 929 { 930 __le16 v; 931 932 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 933 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 934 935 return (fc == v); 936 } 937 938 static __inline bool 939 ieee80211_is_reassoc_req(__le16 fc) 940 { 941 __le16 v; 942 943 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 944 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 945 946 return (fc == v); 947 } 948 949 static __inline bool 950 ieee80211_is_reassoc_resp(__le16 fc) 951 { 952 __le16 v; 953 954 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 955 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 956 957 return (fc == v); 958 } 959 960 static __inline bool 961 ieee80211_is_disassoc(__le16 fc) 962 { 963 __le16 v; 964 965 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 966 v = htole16(IEEE80211_FC0_SUBTYPE_DISASSOC | IEEE80211_FC0_TYPE_MGT); 967 968 return (fc == v); 969 } 970 971 static __inline bool 972 ieee80211_is_data_present(__le16 fc) 973 { 974 __le16 v; 975 976 /* If it is a data frame and NODATA is not present. */ 977 fc &= htole16(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_NODATA); 978 v = htole16(IEEE80211_FC0_TYPE_DATA); 979 980 return (fc == v); 981 } 982 983 static __inline bool 984 ieee80211_is_deauth(__le16 fc) 985 { 986 __le16 v; 987 988 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 989 v = htole16(IEEE80211_FC0_SUBTYPE_DEAUTH | IEEE80211_FC0_TYPE_MGT); 990 991 return (fc == v); 992 } 993 994 static __inline bool 995 ieee80211_is_beacon(__le16 fc) 996 { 997 __le16 v; 998 999 /* 1000 * For as much as I get it this comes in LE and unlike FreeBSD 1001 * where we get the entire frame header and u8[], here we get the 1002 * 9.2.4.1 Frame Control field only. Mask and compare. 1003 */ 1004 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1005 v = htole16(IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT); 1006 1007 return (fc == v); 1008 } 1009 1010 1011 static __inline bool 1012 ieee80211_is_probe_req(__le16 fc) 1013 { 1014 __le16 v; 1015 1016 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1017 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_REQ | IEEE80211_FC0_TYPE_MGT); 1018 1019 return (fc == v); 1020 } 1021 1022 static __inline bool 1023 ieee80211_has_protected(__le16 fc) 1024 { 1025 1026 return (fc & htole16(IEEE80211_FC1_PROTECTED << 8)); 1027 } 1028 1029 static __inline bool 1030 ieee80211_is_back_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_BAR | IEEE80211_FC0_TYPE_CTL); 1036 1037 return (fc == v); 1038 } 1039 1040 static __inline bool 1041 ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 1042 { 1043 struct ieee80211_mgmt *mgmt; 1044 __le16 fc; 1045 1046 mgmt = (struct ieee80211_mgmt *)skb->data; 1047 fc = mgmt->frame_control; 1048 1049 /* 11.2.2 Bufferable MMPDUs, 80211-2020. */ 1050 /* XXX we do not care about IBSS yet. */ 1051 1052 if (!ieee80211_is_mgmt(fc)) 1053 return (false); 1054 if (ieee80211_is_action(fc)) /* XXX FTM? */ 1055 return (true); /* XXX false? */ 1056 if (ieee80211_is_disassoc(fc)) 1057 return (true); 1058 if (ieee80211_is_deauth(fc)) 1059 return (true); 1060 1061 TODO(); 1062 1063 return (false); 1064 } 1065 1066 static __inline bool 1067 ieee80211_is_nullfunc(__le16 fc) 1068 { 1069 __le16 v; 1070 1071 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1072 v = htole16(IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA); 1073 1074 return (fc == v); 1075 } 1076 1077 static __inline bool 1078 ieee80211_is_qos_nullfunc(__le16 fc) 1079 { 1080 __le16 v; 1081 1082 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1083 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_NULL | IEEE80211_FC0_TYPE_DATA); 1084 1085 return (fc == v); 1086 } 1087 1088 static __inline bool 1089 ieee80211_is_any_nullfunc(__le16 fc) 1090 { 1091 1092 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 1093 } 1094 1095 static inline bool 1096 ieee80211_is_pspoll(__le16 fc) 1097 { 1098 __le16 v; 1099 1100 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1101 v = htole16(IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL); 1102 1103 return (fc == v); 1104 } 1105 1106 static __inline bool 1107 ieee80211_has_a4(__le16 fc) 1108 { 1109 __le16 v; 1110 1111 fc &= htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1112 v = htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1113 1114 return (fc == v); 1115 } 1116 1117 static __inline bool 1118 ieee80211_has_order(__le16 fc) 1119 { 1120 1121 return (fc & htole16(IEEE80211_FC1_ORDER << 8)); 1122 } 1123 1124 static __inline bool 1125 ieee80211_has_retry(__le16 fc) 1126 { 1127 1128 return (fc & htole16(IEEE80211_FC1_RETRY << 8)); 1129 } 1130 1131 1132 static __inline bool 1133 ieee80211_has_fromds(__le16 fc) 1134 { 1135 1136 return (fc & htole16(IEEE80211_FC1_DIR_FROMDS << 8)); 1137 } 1138 1139 static __inline bool 1140 ieee80211_has_tods(__le16 fc) 1141 { 1142 1143 return (fc & htole16(IEEE80211_FC1_DIR_TODS << 8)); 1144 } 1145 1146 static __inline uint8_t * 1147 ieee80211_get_SA(struct ieee80211_hdr *hdr) 1148 { 1149 1150 if (ieee80211_has_a4(hdr->frame_control)) 1151 return (hdr->addr4); 1152 if (ieee80211_has_fromds(hdr->frame_control)) 1153 return (hdr->addr3); 1154 return (hdr->addr2); 1155 } 1156 1157 static __inline uint8_t * 1158 ieee80211_get_DA(struct ieee80211_hdr *hdr) 1159 { 1160 1161 if (ieee80211_has_tods(hdr->frame_control)) 1162 return (hdr->addr3); 1163 return (hdr->addr1); 1164 } 1165 1166 static __inline bool 1167 ieee80211_is_frag(struct ieee80211_hdr *hdr) 1168 { 1169 TODO(); 1170 return (false); 1171 } 1172 1173 static __inline bool 1174 ieee80211_is_first_frag(__le16 fc) 1175 { 1176 TODO(); 1177 return (false); 1178 } 1179 1180 static __inline bool 1181 ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 1182 { 1183 TODO(); 1184 return (false); 1185 } 1186 1187 static __inline bool 1188 ieee80211_is_ftm(struct sk_buff *skb) 1189 { 1190 TODO(); 1191 return (false); 1192 } 1193 1194 static __inline bool 1195 ieee80211_is_timing_measurement(struct sk_buff *skb) 1196 { 1197 TODO(); 1198 return (false); 1199 } 1200 1201 static __inline bool 1202 ieee80211_has_pm(__le16 fc) 1203 { 1204 TODO(); 1205 return (false); 1206 } 1207 1208 static __inline bool 1209 ieee80211_has_morefrags(__le16 fc) 1210 { 1211 1212 fc &= htole16(IEEE80211_FC1_MORE_FRAG << 8); 1213 return (fc != 0); 1214 } 1215 1216 static __inline u8 * 1217 ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 1218 { 1219 if (ieee80211_has_a4(hdr->frame_control)) 1220 return (u8 *)hdr + 30; 1221 else 1222 return (u8 *)hdr + 24; 1223 } 1224 1225 1226 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 1227