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/bitfield.h> 39 #include <linux/if_ether.h> 40 41 /* linux_80211.c */ 42 extern int linuxkpi_debug_80211; 43 #ifndef D80211_TODO 44 #define D80211_TODO 0x1 45 #endif 46 #define TODO(fmt, ...) if (linuxkpi_debug_80211 & D80211_TODO) \ 47 printf("%s:%d: XXX LKPI80211 TODO " fmt "\n", __func__, __LINE__, ##__VA_ARGS__) 48 49 50 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 51 struct ieee80211_mmie_16 { 52 uint8_t element_id; 53 uint8_t length; 54 uint16_t key_id; 55 uint8_t ipn[6]; 56 uint8_t mic[16]; 57 }; 58 59 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 60 #define IEEE80211_CCMP_PN_LEN 6 61 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 62 #define IEEE80211_CCMP_256_HDR_LEN 8 63 #define IEEE80211_CCMP_256_MIC_LEN 16 64 #define IEEE80211_GCMP_HDR_LEN 8 65 #define IEEE80211_GCMP_MIC_LEN 16 66 #define IEEE80211_GCMP_PN_LEN 6 67 #define IEEE80211_GMAC_PN_LEN 6 68 #define IEEE80211_CMAC_PN_LEN 6 69 70 #define IEEE80211_MAX_PN_LEN 16 71 72 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 73 74 #define IEEE80211_MAX_AMPDU_BUF_HT IEEE80211_AGGR_BAWMAX 75 #define IEEE80211_MAX_AMPDU_BUF_HE 256 76 #define IEEE80211_MAX_AMPDU_BUF_EHT 1024 77 78 #define IEEE80211_MAX_FRAME_LEN 2352 79 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 80 81 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 82 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 83 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 84 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 85 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 86 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 87 88 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 89 90 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 91 92 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 93 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 94 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 95 96 /* 802.11-2016, 9.2.4.5.1, Table 9-6 QoS Control Field */ 97 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 98 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 99 #define IEEE80211_QOS_CTL_EOSP 0x0010 100 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 101 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 102 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 103 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 104 105 enum ieee80211_rate_flags { 106 IEEE80211_RATE_SHORT_PREAMBLE = BIT(0), 107 }; 108 109 enum ieee80211_rate_control_changed_flags { 110 IEEE80211_RC_BW_CHANGED = BIT(0), 111 IEEE80211_RC_NSS_CHANGED = BIT(1), 112 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 113 IEEE80211_RC_SMPS_CHANGED = BIT(3), 114 }; 115 116 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 117 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 118 119 #define IEEE80211_TKIP_ICV_LEN 4 120 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 121 122 /* 802.11-2016, 9.4.2.158.3 Supported VHT-MCS and NSS Set field. */ 123 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* part of tx_highest */ 124 125 /* 126 * 802.11-2020, 9.4.2.157.2 VHT Capabilities Information field, 127 * Table 9-271-Subfields of the VHT Capabilities Information field (continued). 128 */ 129 enum ieee80211_vht_max_ampdu_len_exp { 130 IEEE80211_VHT_MAX_AMPDU_8K = 0, 131 IEEE80211_VHT_MAX_AMPDU_16K = 1, 132 IEEE80211_VHT_MAX_AMPDU_32K = 2, 133 IEEE80211_VHT_MAX_AMPDU_64K = 3, 134 IEEE80211_VHT_MAX_AMPDU_128K = 4, 135 IEEE80211_VHT_MAX_AMPDU_256K = 5, 136 IEEE80211_VHT_MAX_AMPDU_512K = 6, 137 IEEE80211_VHT_MAX_AMPDU_1024K = 7, 138 }; 139 140 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 141 #define IEEE80211_WEP_ICV_LEN 4 142 143 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 144 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 145 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 146 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 147 148 enum wlan_ht_cap_sm_ps { 149 WLAN_HT_CAP_SM_PS_STATIC = 0, 150 WLAN_HT_CAP_SM_PS_DYNAMIC = 1, 151 WLAN_HT_CAP_SM_PS_INVALID = 2, 152 WLAN_HT_CAP_SM_PS_DISABLED = 3 153 }; 154 155 #define WLAN_MAX_KEY_LEN 32 156 #define WLAN_PMKID_LEN 16 157 #define WLAN_PMK_LEN_SUITE_B_192 48 158 159 enum ieee80211_key_len { 160 WLAN_KEY_LEN_WEP40 = 5, 161 WLAN_KEY_LEN_WEP104 = 13, 162 WLAN_KEY_LEN_TKIP = 32, 163 WLAN_KEY_LEN_CCMP = 16, 164 WLAN_KEY_LEN_CCMP_256 = 32, 165 WLAN_KEY_LEN_GCMP = 16, 166 WLAN_KEY_LEN_AES_CMAC = 16, 167 WLAN_KEY_LEN_GCMP_256 = 32, 168 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 169 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 170 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 171 }; 172 173 /* 802.11-2020, 9.4.2.55.3, Table 9-185 Subfields of the A-MPDU Parameters field */ 174 enum ieee80211_min_mpdu_start_spacing { 175 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 176 #if 0 177 IEEE80211_HT_MPDU_DENSITY_XXX = 1, /* 1/4 us */ 178 #endif 179 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 us */ 180 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 us */ 181 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 us */ 182 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 183 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 184 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 185 }; 186 187 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 188 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 189 190 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 191 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 192 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 193 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 194 #define IEEE80211_FCTL_FROMDS (IEEE80211_FC1_DIR_FROMDS << 8) 195 #define IEEE80211_FCTL_TODS (IEEE80211_FC1_DIR_TODS << 8) 196 #define IEEE80211_FCTL_MOREFRAGS (IEEE80211_FC1_MORE_FRAG << 8) 197 #define IEEE80211_FCTL_PM (IEEE80211_FC1_PWR_MGT << 8) 198 199 #define IEEE80211_FTYPE_MGMT IEEE80211_FC0_TYPE_MGT 200 #define IEEE80211_FTYPE_CTL IEEE80211_FC0_TYPE_CTL 201 #define IEEE80211_FTYPE_DATA IEEE80211_FC0_TYPE_DATA 202 203 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 204 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 205 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 206 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 207 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 208 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 209 #define IEEE80211_STYPE_CTS IEEE80211_FC0_SUBTYPE_CTS 210 #define IEEE80211_STYPE_RTS IEEE80211_FC0_SUBTYPE_RTS 211 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 212 #define IEEE80211_STYPE_DATA IEEE80211_FC0_SUBTYPE_DATA 213 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS_DATA 214 #define IEEE80211_STYPE_QOS_NULLFUNC IEEE80211_FC0_SUBTYPE_QOS_NULL 215 #define IEEE80211_STYPE_QOS_CFACK 0xd0 /* XXX-BZ reserved? */ 216 217 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 218 219 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 220 221 222 /* Figure 9-27, BAR Control field */ 223 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 224 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 225 226 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 227 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 228 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 229 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 230 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 231 232 /* 802.11-2012, Table 8-130-HT Operation element fields and subfields, HT Protection */ 233 #define IEEE80211_HT_OP_MODE_PROTECTION IEEE80211_HTINFO_OPMODE /* Mask. */ 234 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE IEEE80211_HTINFO_OPMODE_PURE /* No protection */ 235 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER IEEE80211_HTINFO_OPMODE_PROTOPT /* Nonmember protection */ 236 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ IEEE80211_HTINFO_OPMODE_HT20PR /* 20 MHz protection */ 237 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED IEEE80211_HTINFO_OPMODE_MIXED /* Non-HT mixed */ 238 239 240 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 241 enum ieee80211_tdls_action_code { 242 WLAN_TDLS_SETUP_REQUEST = 0, 243 WLAN_TDLS_SETUP_RESPONSE = 1, 244 WLAN_TDLS_SETUP_CONFIRM = 2, 245 WLAN_TDLS_TEARDOWN = 3, 246 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 247 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 248 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 249 WLAN_TDLS_PEER_PSM_REQUEST = 7, 250 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 251 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 252 WLAN_TDLS_DISCOVERY_REQUEST = 10, 253 /* 11-255 reserved */ 254 }; 255 256 /* 802.11-2020 9.4.2.26, Table 9-153. Extended Capabilities field. */ 257 /* This is split up into octets CAPA1 = octet 1, ... */ 258 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 259 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 260 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(23 % 8) 261 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 262 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(63 % 8) 263 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(64 % 8) 264 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(77 % 8) 265 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(78 % 8) 266 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(79 % 8) 267 268 #define WLAN_EXT_CAPA11_EMA_SUPPORT 0x00 /* XXX TODO FIXME */ 269 270 271 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 272 /* Would be so much easier if we'd define constants to the same. */ 273 enum ieee80211_ac_numbers { 274 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 275 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 276 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 277 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 278 }; 279 280 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 281 282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 286 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 287 288 289 /* Define the LinuxKPI names directly to the net80211 ones. */ 290 #define IEEE80211_HT_CAP_LDPC_CODING IEEE80211_HTCAP_LDPC 291 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 IEEE80211_HTCAP_CHWIDTH40 292 #define IEEE80211_HT_CAP_SM_PS IEEE80211_HTCAP_SMPS 293 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 294 #define IEEE80211_HT_CAP_GRN_FLD IEEE80211_HTCAP_GREENFIELD 295 #define IEEE80211_HT_CAP_SGI_20 IEEE80211_HTCAP_SHORTGI20 296 #define IEEE80211_HT_CAP_SGI_40 IEEE80211_HTCAP_SHORTGI40 297 #define IEEE80211_HT_CAP_TX_STBC IEEE80211_HTCAP_TXSTBC 298 #define IEEE80211_HT_CAP_RX_STBC IEEE80211_HTCAP_RXSTBC 299 #define IEEE80211_HT_CAP_RX_STBC_SHIFT IEEE80211_HTCAP_RXSTBC_S 300 #define IEEE80211_HT_CAP_MAX_AMSDU IEEE80211_HTCAP_MAXAMSDU 301 #define IEEE80211_HT_CAP_DSSSCCK40 IEEE80211_HTCAP_DSSSCCK40 302 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT IEEE80211_HTCAP_LSIGTXOPPROT 303 304 #define IEEE80211_HT_MCS_TX_DEFINED 0x0001 305 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x0002 306 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 307 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0c 308 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 309 #define IEEE80211_HT_MCS_MASK_LEN 10 310 311 #define IEEE80211_MLD_MAX_NUM_LINKS 15 312 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0xf 313 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060 314 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1 315 #define IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT 0x2000 316 317 struct ieee80211_mcs_info { 318 uint8_t rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 319 uint16_t rx_highest; 320 uint8_t tx_params; 321 uint8_t __reserved[3]; 322 } __packed; 323 324 /* 802.11-2020, 9.4.2.55.1 HT Capabilities element structure */ 325 struct ieee80211_ht_cap { 326 uint16_t cap_info; 327 uint8_t ampdu_params_info; 328 struct ieee80211_mcs_info mcs; 329 uint16_t extended_ht_cap_info; 330 uint32_t tx_BF_cap_info; 331 uint8_t antenna_selection_info; 332 } __packed; 333 334 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 335 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16 336 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20 337 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13 338 339 enum ieee80211_ht_max_ampdu_len { 340 IEEE80211_HT_MAX_AMPDU_64K 341 }; 342 343 enum ieee80211_ampdu_mlme_action { 344 IEEE80211_AMPDU_RX_START, 345 IEEE80211_AMPDU_RX_STOP, 346 IEEE80211_AMPDU_TX_OPERATIONAL, 347 IEEE80211_AMPDU_TX_START, 348 IEEE80211_AMPDU_TX_STOP_CONT, 349 IEEE80211_AMPDU_TX_STOP_FLUSH, 350 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 351 }; 352 353 #define IEEE80211_AMPDU_TX_START_IMMEDIATE 1 354 #define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2 355 356 enum ieee80211_chanctx_switch_mode { 357 CHANCTX_SWMODE_REASSIGN_VIF, 358 CHANCTX_SWMODE_SWAP_CONTEXTS, 359 }; 360 361 enum ieee80211_chanctx_change_flags { 362 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 363 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 364 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 365 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 366 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 367 IEEE80211_CHANCTX_CHANGE_PUNCTURING = BIT(5), 368 IEEE80211_CHANCTX_CHANGE_MIN_DEF = BIT(6), 369 IEEE80211_CHANCTX_CHANGE_AP = BIT(7), 370 }; 371 372 enum ieee80211_frame_release_type { 373 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 374 IEEE80211_FRAME_RELEASE_UAPSD = 2, 375 }; 376 377 enum ieee80211_p2p_attr_ids { 378 IEEE80211_P2P_ATTR_DEVICE_ID, 379 IEEE80211_P2P_ATTR_DEVICE_INFO, 380 IEEE80211_P2P_ATTR_GROUP_ID, 381 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 382 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 383 }; 384 385 enum ieee80211_reconfig_type { 386 IEEE80211_RECONFIG_TYPE_RESTART, 387 IEEE80211_RECONFIG_TYPE_SUSPEND, 388 }; 389 390 enum ieee80211_roc_type { 391 IEEE80211_ROC_TYPE_MGMT_TX, 392 IEEE80211_ROC_TYPE_NORMAL, 393 }; 394 395 enum ieee80211_smps_mode { 396 IEEE80211_SMPS_OFF, 397 IEEE80211_SMPS_STATIC, 398 IEEE80211_SMPS_DYNAMIC, 399 IEEE80211_SMPS_AUTOMATIC, 400 IEEE80211_SMPS_NUM_MODES, 401 }; 402 403 /* net80211::IEEE80211_S_* different but represents the state machine. */ 404 /* Note: order here is important! */ 405 enum ieee80211_sta_state { 406 IEEE80211_STA_NOTEXIST = 0, 407 IEEE80211_STA_NONE = 1, 408 IEEE80211_STA_AUTH = 2, 409 IEEE80211_STA_ASSOC = 3, 410 IEEE80211_STA_AUTHORIZED = 4, /* 802.1x */ 411 }; 412 413 enum ieee80211_sta_rx_bandwidth { 414 IEEE80211_STA_RX_BW_20 = 0, 415 IEEE80211_STA_RX_BW_40, 416 IEEE80211_STA_RX_BW_80, 417 IEEE80211_STA_RX_BW_160, 418 IEEE80211_STA_RX_BW_320, 419 }; 420 421 enum ieee80211_tx_info_flags { 422 /* XXX TODO .. right shift numbers - not sure where that came from? */ 423 IEEE80211_TX_CTL_AMPDU = BIT(0), 424 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 425 IEEE80211_TX_CTL_NO_ACK = BIT(2), 426 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 427 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 428 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 429 IEEE80211_TX_STATUS_EOSP = BIT(6), 430 IEEE80211_TX_STAT_ACK = BIT(7), 431 IEEE80211_TX_STAT_AMPDU = BIT(8), 432 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 433 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 434 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 435 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 436 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 437 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 438 IEEE80211_TX_CTL_INJECTED = BIT(15), 439 IEEE80211_TX_CTL_HW_80211_ENCAP = BIT(16), 440 IEEE80211_TX_CTL_USE_MINRATE = BIT(17), 441 IEEE80211_TX_CTL_RATE_CTRL_PROBE = BIT(18), 442 IEEE80211_TX_CTL_LDPC = BIT(19), 443 IEEE80211_TX_CTL_STBC = BIT(20), 444 } __packed; 445 446 enum ieee80211_tx_status_flags { 447 IEEE80211_TX_STATUS_ACK_SIGNAL_VALID = BIT(0), 448 }; 449 450 enum ieee80211_tx_control_flags { 451 /* XXX TODO .. right shift numbers */ 452 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 453 IEEE80211_TX_CTRL_PS_RESPONSE = BIT(1), 454 IEEE80211_TX_CTRL_RATE_INJECT = BIT(2), 455 IEEE80211_TX_CTRL_DONT_USE_RATE_MASK = BIT(3), 456 IEEE80211_TX_CTRL_MLO_LINK = 0xF0000000, /* This is IEEE80211_LINK_UNSPECIFIED on the high bits. */ 457 }; 458 459 enum ieee80211_tx_rate_flags { 460 /* XXX TODO .. right shift numbers */ 461 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 462 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 463 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 464 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 465 IEEE80211_TX_RC_MCS = BIT(4), 466 IEEE80211_TX_RC_SHORT_GI = BIT(5), 467 IEEE80211_TX_RC_VHT_MCS = BIT(6), 468 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 469 }; 470 471 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128 472 473 #define IEEE80211_HT_CTL_LEN 4 474 475 struct ieee80211_hdr { /* net80211::ieee80211_frame_addr4 */ 476 __le16 frame_control; 477 __le16 duration_id; 478 uint8_t addr1[ETH_ALEN]; 479 uint8_t addr2[ETH_ALEN]; 480 uint8_t addr3[ETH_ALEN]; 481 __le16 seq_ctrl; 482 uint8_t addr4[ETH_ALEN]; 483 }; 484 485 struct ieee80211_hdr_3addr { /* net80211::ieee80211_frame */ 486 __le16 frame_control; 487 __le16 duration_id; 488 uint8_t addr1[ETH_ALEN]; 489 uint8_t addr2[ETH_ALEN]; 490 uint8_t addr3[ETH_ALEN]; 491 __le16 seq_ctrl; 492 }; 493 494 struct ieee80211_qos_hdr { /* net80211:ieee80211_qosframe */ 495 __le16 frame_control; 496 __le16 duration_id; 497 uint8_t addr1[ETH_ALEN]; 498 uint8_t addr2[ETH_ALEN]; 499 uint8_t addr3[ETH_ALEN]; 500 __le16 seq_ctrl; 501 __le16 qos_ctrl; 502 }; 503 504 struct ieee80211_vendor_ie { 505 }; 506 507 /* 802.11-2020, Table 9-359-Block Ack Action field values */ 508 enum ieee80211_back { 509 WLAN_ACTION_ADDBA_REQ = 0, 510 }; 511 512 enum ieee80211_sa_query { 513 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 514 }; 515 516 /* 802.11-2020, Table 9-51-Category values */ 517 enum ieee80211_category { 518 WLAN_CATEGORY_BACK = 3, 519 WLAN_CATEGORY_SA_QUERY = 8, /* net80211::IEEE80211_ACTION_CAT_SA_QUERY */ 520 }; 521 522 /* 80211-2020 9.3.3.2 Format of Management frames */ 523 struct ieee80211_mgmt { 524 __le16 frame_control; 525 __le16 duration_id; 526 uint8_t da[ETH_ALEN]; 527 uint8_t sa[ETH_ALEN]; 528 uint8_t bssid[ETH_ALEN]; 529 __le16 seq_ctrl; 530 union { 531 /* 9.3.3.3 Beacon frame format */ 532 struct { 533 uint64_t timestamp; 534 uint16_t beacon_int; 535 uint16_t capab_info; 536 uint8_t variable[0]; 537 } __packed beacon; 538 /* 9.3.3.5 Association Request frame format */ 539 struct { 540 uint16_t capab_info; 541 uint16_t listen_interval; 542 uint8_t variable[0]; 543 } __packed assoc_req; 544 /* 9.3.3.10 Probe Request frame format */ 545 struct { 546 uint8_t variable[0]; 547 } __packed probe_req; 548 /* 9.3.3.11 Probe Response frame format */ 549 struct { 550 uint64_t timestamp; 551 uint16_t beacon_int; 552 uint16_t capab_info; 553 uint8_t variable[0]; 554 } __packed probe_resp; 555 /* 9.3.3.14 Action frame format */ 556 struct { 557 /* 9.4.1.11 Action field */ 558 uint8_t category; 559 /* 9.6.8 Public Action details */ 560 union { 561 /* 9.6.2.5 TPC Report frame format */ 562 struct { 563 uint8_t spec_mgmt; 564 uint8_t dialog_token; 565 /* uint32_t tpc_rep_elem:: */ 566 uint8_t tpc_elem_id; 567 uint8_t tpc_elem_length; 568 uint8_t tpc_elem_tx_power; 569 uint8_t tpc_elem_link_margin; 570 } __packed tpc_report; 571 /* 9.6.8.33 Fine Timing Measurement frame format */ 572 struct { 573 uint8_t dialog_token; 574 uint8_t follow_up; 575 uint8_t tod[6]; 576 uint8_t toa[6]; 577 uint16_t tod_error; 578 uint16_t toa_error; 579 uint8_t variable[0]; 580 } __packed ftm; 581 /* 802.11-2016, 9.6.5.2 ADDBA Request frame format */ 582 struct { 583 uint8_t action_code; 584 uint8_t dialog_token; 585 uint16_t capab; 586 uint16_t timeout; 587 uint16_t start_seq_num; 588 /* Optional follows... */ 589 uint8_t variable[0]; 590 } __packed addba_req; 591 /* XXX */ 592 struct { 593 uint8_t dialog_token; 594 } __packed wnm_timing_msr; 595 } u; 596 } __packed action; 597 DECLARE_FLEX_ARRAY(uint8_t, body); 598 } u; 599 } __packed __aligned(2); 600 601 struct ieee80211_cts { /* net80211::ieee80211_frame_cts */ 602 __le16 frame_control; 603 __le16 duration; 604 uint8_t ra[ETH_ALEN]; 605 } __packed; 606 607 struct ieee80211_rts { /* net80211::ieee80211_frame_rts */ 608 __le16 frame_control; 609 __le16 duration; 610 uint8_t ra[ETH_ALEN]; 611 uint8_t ta[ETH_ALEN]; 612 } __packed; 613 614 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 615 #define DBI_TO_MBI(_g) ((_g) * 100) 616 #define MBI_TO_DBI(_x) ((_x) / 100) 617 #define DBM_TO_MBM(_g) ((_g) * 100) 618 #define MBM_TO_DBM(_x) ((_x) / 100) 619 620 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 621 IEEE80211_SEQ_SEQ_SHIFT) 622 #define IEEE80211_SN_TO_SEQ(_sn) (((_sn) << IEEE80211_SEQ_SEQ_SHIFT) & \ 623 IEEE80211_SEQ_SEQ_MASK) 624 625 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 626 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 627 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 628 629 /* 9.4.2.21.1, Table 9-82. */ 630 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 631 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 632 633 /* 9.4.2.1, Table 9-77. Element IDs. */ 634 enum ieee80211_eid { 635 WLAN_EID_SSID = 0, 636 WLAN_EID_SUPP_RATES = 1, 637 WLAN_EID_DS_PARAMS = 3, 638 WLAN_EID_TIM = 5, 639 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 640 WLAN_EID_REQUEST = 10, 641 WLAN_EID_QBSS_LOAD = 11, /* IEEE80211_ELEMID_BSSLOAD */ 642 WLAN_EID_CHANNEL_SWITCH = 37, 643 WLAN_EID_MEASURE_REPORT = 39, 644 WLAN_EID_HT_CAPABILITY = 45, /* IEEE80211_ELEMID_HTCAP */ 645 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 646 WLAN_EID_EXT_SUPP_RATES = 50, 647 WLAN_EID_EXT_NON_INHERITANCE = 56, 648 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 649 WLAN_EID_MULTIPLE_BSSID = 71, /* IEEE80211_ELEMID_MULTIBSSID */ 650 WLAN_EID_MULTI_BSSID_IDX = 85, 651 WLAN_EID_EXT_CAPABILITY = 127, 652 WLAN_EID_VHT_CAPABILITY = 191, /* IEEE80211_ELEMID_VHT_CAP */ 653 WLAN_EID_S1G_TWT = 216, 654 WLAN_EID_VENDOR_SPECIFIC = 221, /* IEEE80211_ELEMID_VENDOR */ 655 }; 656 657 enum ieee80211_eid_ext { 658 WLAN_EID_EXT_HE_CAPABILITY = 35, 659 }; 660 661 #define for_each_element(_elem, _data, _len) \ 662 for (_elem = (const struct element *)(_data); \ 663 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= sizeof(*_elem)) && \ 664 (((const uint8_t *)(_data) + (_len) - (const uint8_t *)_elem) >= (sizeof(*_elem) + _elem->datalen)); \ 665 _elem = (const struct element *)(_elem->data + _elem->datalen)) 666 667 #define for_each_element_id(_elem, _eid, _data, _len) \ 668 for_each_element(_elem, _data, _len) \ 669 if (_elem->id == (_eid)) 670 671 /* 9.4.1.7, Table 9-45. Reason codes. */ 672 enum ieee80211_reason_code { 673 /* reserved = 0, */ 674 WLAN_REASON_UNSPECIFIED = 1, 675 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 676 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 677 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 678 }; 679 680 /* 9.4.1.9, Table 9-46. Status codes. */ 681 enum ieee80211_status_code { 682 WLAN_STATUS_SUCCESS = 0, 683 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 684 }; 685 686 /* 9.3.1.22 Trigger frame format; 80211ax-2021 */ 687 struct ieee80211_trigger { 688 __le16 frame_control; 689 __le16 duration_id; 690 uint8_t ra[ETH_ALEN]; 691 uint8_t ta[ETH_ALEN]; 692 __le64 common_info; /* 8+ really */ 693 uint8_t variable[]; 694 }; 695 696 /* Table 9-29c-Trigger Type subfield encoding */ 697 enum { 698 IEEE80211_TRIGGER_TYPE_BASIC = 0x0, 699 IEEE80211_TRIGGER_TYPE_MU_BAR = 0x2, 700 #if 0 701 /* Not seen yet. */ 702 BFRP = 0x1, 703 MU-RTS = 0x3, 704 BSRP = 0x4, 705 GCR MU-BAR = 0x5, 706 BQRP = 0x6, 707 NFRP = 0x7, 708 /* 0x8..0xf reserved */ 709 #endif 710 IEEE80211_TRIGGER_TYPE_MASK = 0xf 711 }; 712 713 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000 714 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0 715 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1 716 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2 717 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3 718 719 /* 802.11-2020, Figure 9-687-Control field format; 802.11ax-2021 */ 720 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) 721 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) 722 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) 723 724 /* 802.11-2020, Figure 9-688-Request Type field format; 802.11ax-2021 */ 725 #define IEEE80211_TWT_REQTYPE_SETUP_CMD (BIT(1) | BIT(2) | BIT(3)) 726 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) 727 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) 728 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) 729 #define IEEE80211_TWT_REQTYPE_FLOWID (BIT(7) | BIT(8) | BIT(9)) 730 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP (BIT(10) | BIT(11) | BIT(12) | BIT(13) | BIT(14)) 731 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) 732 733 struct ieee80211_twt_params { 734 int mantissa, min_twt_dur, twt; 735 uint16_t req_type; 736 }; 737 738 struct ieee80211_twt_setup { 739 int control; 740 struct ieee80211_twt_params *params; 741 }; 742 743 /* 802.11-2020, Table 9-297-TWT Setup Command field values */ 744 enum ieee80211_twt_setup_cmd { 745 TWT_SETUP_CMD_REQUEST = 0, 746 TWT_SETUP_CMD_SUGGEST = 1, 747 /* DEMAND = 2, */ 748 /* GROUPING = 3, */ 749 TWT_SETUP_CMD_ACCEPT = 4, 750 /* ALTERNATE = 5 */ 751 TWT_SETUP_CMD_DICTATE = 6, 752 TWT_SETUP_CMD_REJECT = 7, 753 }; 754 755 struct ieee80211_bssid_index { 756 int bssid_index; 757 }; 758 759 enum ieee80211_ap_reg_power { 760 IEEE80211_REG_UNSET_AP, 761 IEEE80211_REG_LPI_AP, 762 IEEE80211_REG_SP_AP, 763 IEEE80211_REG_VLP_AP, 764 }; 765 766 /* 767 * 802.11ax-2021, Table 9-277-Meaning of Maximum Transmit Power Count subfield 768 * if Maximum Transmit Power Interpretation subfield is 1 or 3 769 */ 770 #define IEEE80211_MAX_NUM_PWR_LEVEL 8 771 772 /* 773 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 774 * encoding (4) * Table E-12-Regulatory Info subfield encoding in the 775 * United States (2) 776 */ 777 #define IEEE80211_TPE_MAX_IE_NUM 8 778 779 /* 802.11ax-2021, 9.4.2.161 Transmit Power Envelope element */ 780 struct ieee80211_tx_pwr_env { 781 uint8_t tx_power_info; 782 uint8_t tx_power[IEEE80211_MAX_NUM_PWR_LEVEL]; 783 }; 784 785 /* 802.11ax-2021, Figure 9-617-Transmit Power Information field format */ 786 /* These are field masks (3bit/3bit/2bit). */ 787 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x07 788 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 789 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xc0 790 791 /* 792 * 802.11ax-2021, Table 9-275a-Maximum Transmit Power Interpretation subfield 793 * encoding 794 */ 795 enum ieee80211_tx_pwr_interpretation_subfield_enc { 796 IEEE80211_TPE_LOCAL_EIRP, 797 IEEE80211_TPE_LOCAL_EIRP_PSD, 798 IEEE80211_TPE_REG_CLIENT_EIRP, 799 IEEE80211_TPE_REG_CLIENT_EIRP_PSD, 800 }; 801 802 enum ieee80211_tx_pwr_category_6ghz { 803 IEEE80211_TPE_CAT_6GHZ_DEFAULT, 804 }; 805 806 /* 802.11-2020, 9.4.2.27 BSS Load element */ 807 struct ieee80211_bss_load_elem { 808 uint16_t sta_count; 809 uint8_t channel_util; 810 uint16_t avail_adm_capa; 811 }; 812 813 struct ieee80211_p2p_noa_desc { 814 uint32_t count; /* uint8_t ? */ 815 uint32_t duration; 816 uint32_t interval; 817 uint32_t start_time; 818 }; 819 820 struct ieee80211_p2p_noa_attr { 821 uint8_t index; 822 uint8_t oppps_ctwindow; 823 struct ieee80211_p2p_noa_desc desc[4]; 824 }; 825 826 827 /* net80211: IEEE80211_IS_CTL() */ 828 static __inline bool 829 ieee80211_is_ctl(__le16 fc) 830 { 831 __le16 v; 832 833 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 834 v = htole16(IEEE80211_FC0_TYPE_CTL); 835 836 return (fc == v); 837 } 838 839 /* net80211: IEEE80211_IS_DATA() */ 840 static __inline bool 841 ieee80211_is_data(__le16 fc) 842 { 843 __le16 v; 844 845 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 846 v = htole16(IEEE80211_FC0_TYPE_DATA); 847 848 return (fc == v); 849 } 850 851 /* net80211: IEEE80211_IS_QOSDATA() */ 852 static __inline bool 853 ieee80211_is_data_qos(__le16 fc) 854 { 855 __le16 v; 856 857 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_MASK); 858 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | IEEE80211_FC0_TYPE_DATA); 859 860 return (fc == v); 861 } 862 863 /* net80211: IEEE80211_IS_MGMT() */ 864 static __inline bool 865 ieee80211_is_mgmt(__le16 fc) 866 { 867 __le16 v; 868 869 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 870 v = htole16(IEEE80211_FC0_TYPE_MGT); 871 872 return (fc == v); 873 } 874 875 876 /* Derived from net80211::ieee80211_anyhdrsize. */ 877 static __inline unsigned int 878 ieee80211_hdrlen(__le16 fc) 879 { 880 unsigned int size; 881 882 if (ieee80211_is_ctl(fc)) { 883 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 884 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 885 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 886 return sizeof(struct ieee80211_frame_ack); 887 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 888 return sizeof(struct ieee80211_frame_bar); 889 } 890 return (sizeof(struct ieee80211_frame_min)); 891 } 892 893 size = sizeof(struct ieee80211_frame); 894 if (ieee80211_is_data(fc)) { 895 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 896 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 897 size += IEEE80211_ADDR_LEN; 898 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 899 IEEE80211_FC0_TYPE_MASK)) == 900 htole16(IEEE80211_FC0_SUBTYPE_QOS_DATA | 901 IEEE80211_FC0_TYPE_DATA)) 902 size += sizeof(uint16_t); 903 } 904 905 if (ieee80211_is_mgmt(fc)) { 906 #ifdef __notyet__ 907 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 908 __func__, fc, size); 909 #endif 910 ; 911 } 912 913 return (size); 914 } 915 916 static inline bool 917 ieee80211_is_trigger(__le16 fc) 918 { 919 __le16 v; 920 921 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 922 v = htole16(IEEE80211_FC0_SUBTYPE_TRIGGER | IEEE80211_FC0_TYPE_CTL); 923 924 return (fc == v); 925 } 926 927 static __inline bool 928 ieee80211_is_action(__le16 fc) 929 { 930 __le16 v; 931 932 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 933 v = htole16(IEEE80211_FC0_SUBTYPE_ACTION | IEEE80211_FC0_TYPE_MGT); 934 935 return (fc == v); 936 } 937 938 static __inline bool 939 ieee80211_is_probe_resp(__le16 fc) 940 { 941 __le16 v; 942 943 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 944 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_RESP | IEEE80211_FC0_TYPE_MGT); 945 946 return (fc == v); 947 } 948 949 static __inline bool 950 ieee80211_is_auth(__le16 fc) 951 { 952 __le16 v; 953 954 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 955 v = htole16(IEEE80211_FC0_SUBTYPE_AUTH | IEEE80211_FC0_TYPE_MGT); 956 957 return (fc == v); 958 } 959 960 static __inline bool 961 ieee80211_is_assoc_req(__le16 fc) 962 { 963 __le16 v; 964 965 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 966 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 967 968 return (fc == v); 969 } 970 971 static __inline bool 972 ieee80211_is_assoc_resp(__le16 fc) 973 { 974 __le16 v; 975 976 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 977 v = htole16(IEEE80211_FC0_SUBTYPE_ASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 978 979 return (fc == v); 980 } 981 982 static __inline bool 983 ieee80211_is_reassoc_req(__le16 fc) 984 { 985 __le16 v; 986 987 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 988 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_REQ | IEEE80211_FC0_TYPE_MGT); 989 990 return (fc == v); 991 } 992 993 static __inline bool 994 ieee80211_is_reassoc_resp(__le16 fc) 995 { 996 __le16 v; 997 998 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 999 v = htole16(IEEE80211_FC0_SUBTYPE_REASSOC_RESP | IEEE80211_FC0_TYPE_MGT); 1000 1001 return (fc == v); 1002 } 1003 1004 static __inline bool 1005 ieee80211_is_disassoc(__le16 fc) 1006 { 1007 __le16 v; 1008 1009 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1010 v = htole16(IEEE80211_FC0_SUBTYPE_DISASSOC | IEEE80211_FC0_TYPE_MGT); 1011 1012 return (fc == v); 1013 } 1014 1015 static __inline bool 1016 ieee80211_is_data_present(__le16 fc) 1017 { 1018 __le16 v; 1019 1020 /* If it is a data frame and NODATA is not present. */ 1021 fc &= htole16(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_NODATA); 1022 v = htole16(IEEE80211_FC0_TYPE_DATA); 1023 1024 return (fc == v); 1025 } 1026 1027 static __inline bool 1028 ieee80211_is_deauth(__le16 fc) 1029 { 1030 __le16 v; 1031 1032 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1033 v = htole16(IEEE80211_FC0_SUBTYPE_DEAUTH | IEEE80211_FC0_TYPE_MGT); 1034 1035 return (fc == v); 1036 } 1037 1038 static __inline bool 1039 ieee80211_is_beacon(__le16 fc) 1040 { 1041 __le16 v; 1042 1043 /* 1044 * For as much as I get it this comes in LE and unlike FreeBSD 1045 * where we get the entire frame header and u8[], here we get the 1046 * 9.2.4.1 Frame Control field only. Mask and compare. 1047 */ 1048 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1049 v = htole16(IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT); 1050 1051 return (fc == v); 1052 } 1053 1054 1055 static __inline bool 1056 ieee80211_is_probe_req(__le16 fc) 1057 { 1058 __le16 v; 1059 1060 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1061 v = htole16(IEEE80211_FC0_SUBTYPE_PROBE_REQ | IEEE80211_FC0_TYPE_MGT); 1062 1063 return (fc == v); 1064 } 1065 1066 static __inline bool 1067 ieee80211_has_protected(__le16 fc) 1068 { 1069 1070 return (fc & htole16(IEEE80211_FC1_PROTECTED << 8)); 1071 } 1072 1073 static __inline bool 1074 ieee80211_is_back_req(__le16 fc) 1075 { 1076 __le16 v; 1077 1078 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1079 v = htole16(IEEE80211_FC0_SUBTYPE_BAR | IEEE80211_FC0_TYPE_CTL); 1080 1081 return (fc == v); 1082 } 1083 1084 static __inline bool 1085 ieee80211_is_bufferable_mmpdu(struct sk_buff *skb) 1086 { 1087 struct ieee80211_mgmt *mgmt; 1088 __le16 fc; 1089 1090 mgmt = (struct ieee80211_mgmt *)skb->data; 1091 fc = mgmt->frame_control; 1092 1093 /* 11.2.2 Bufferable MMPDUs, 80211-2020. */ 1094 /* XXX we do not care about IBSS yet. */ 1095 1096 if (!ieee80211_is_mgmt(fc)) 1097 return (false); 1098 if (ieee80211_is_action(fc)) /* XXX FTM? */ 1099 return (true); /* XXX false? */ 1100 if (ieee80211_is_disassoc(fc)) 1101 return (true); 1102 if (ieee80211_is_deauth(fc)) 1103 return (true); 1104 1105 TODO(); 1106 1107 return (false); 1108 } 1109 1110 static __inline bool 1111 ieee80211_is_nullfunc(__le16 fc) 1112 { 1113 __le16 v; 1114 1115 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1116 v = htole16(IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA); 1117 1118 return (fc == v); 1119 } 1120 1121 static __inline bool 1122 ieee80211_is_qos_nullfunc(__le16 fc) 1123 { 1124 __le16 v; 1125 1126 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1127 v = htole16(IEEE80211_FC0_SUBTYPE_QOS_NULL | IEEE80211_FC0_TYPE_DATA); 1128 1129 return (fc == v); 1130 } 1131 1132 static __inline bool 1133 ieee80211_is_any_nullfunc(__le16 fc) 1134 { 1135 1136 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 1137 } 1138 1139 static inline bool 1140 ieee80211_is_pspoll(__le16 fc) 1141 { 1142 __le16 v; 1143 1144 fc &= htole16(IEEE80211_FC0_SUBTYPE_MASK | IEEE80211_FC0_TYPE_MASK); 1145 v = htole16(IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL); 1146 1147 return (fc == v); 1148 } 1149 1150 static __inline bool 1151 ieee80211_has_a4(__le16 fc) 1152 { 1153 __le16 v; 1154 1155 fc &= htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1156 v = htole16((IEEE80211_FC1_DIR_TODS | IEEE80211_FC1_DIR_FROMDS) << 8); 1157 1158 return (fc == v); 1159 } 1160 1161 static __inline bool 1162 ieee80211_has_order(__le16 fc) 1163 { 1164 1165 return (fc & htole16(IEEE80211_FC1_ORDER << 8)); 1166 } 1167 1168 static __inline bool 1169 ieee80211_has_retry(__le16 fc) 1170 { 1171 1172 return (fc & htole16(IEEE80211_FC1_RETRY << 8)); 1173 } 1174 1175 1176 static __inline bool 1177 ieee80211_has_fromds(__le16 fc) 1178 { 1179 1180 return (fc & htole16(IEEE80211_FC1_DIR_FROMDS << 8)); 1181 } 1182 1183 static __inline bool 1184 ieee80211_has_tods(__le16 fc) 1185 { 1186 1187 return (fc & htole16(IEEE80211_FC1_DIR_TODS << 8)); 1188 } 1189 1190 static __inline uint8_t * 1191 ieee80211_get_SA(struct ieee80211_hdr *hdr) 1192 { 1193 1194 if (ieee80211_has_a4(hdr->frame_control)) 1195 return (hdr->addr4); 1196 if (ieee80211_has_fromds(hdr->frame_control)) 1197 return (hdr->addr3); 1198 return (hdr->addr2); 1199 } 1200 1201 static __inline uint8_t * 1202 ieee80211_get_DA(struct ieee80211_hdr *hdr) 1203 { 1204 1205 if (ieee80211_has_tods(hdr->frame_control)) 1206 return (hdr->addr3); 1207 return (hdr->addr1); 1208 } 1209 1210 static __inline bool 1211 ieee80211_is_frag(struct ieee80211_hdr *hdr) 1212 { 1213 TODO(); 1214 return (false); 1215 } 1216 1217 static __inline bool 1218 ieee80211_is_first_frag(__le16 fc) 1219 { 1220 TODO(); 1221 return (false); 1222 } 1223 1224 static __inline bool 1225 ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 1226 { 1227 TODO(); 1228 return (false); 1229 } 1230 1231 static __inline bool 1232 ieee80211_is_ftm(struct sk_buff *skb) 1233 { 1234 TODO(); 1235 return (false); 1236 } 1237 1238 static __inline bool 1239 ieee80211_is_timing_measurement(struct sk_buff *skb) 1240 { 1241 TODO(); 1242 return (false); 1243 } 1244 1245 static __inline bool 1246 ieee80211_has_pm(__le16 fc) 1247 { 1248 TODO(); 1249 return (false); 1250 } 1251 1252 static __inline bool 1253 ieee80211_has_morefrags(__le16 fc) 1254 { 1255 1256 fc &= htole16(IEEE80211_FC1_MORE_FRAG << 8); 1257 return (fc != 0); 1258 } 1259 1260 static __inline u8 * 1261 ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 1262 { 1263 if (ieee80211_has_a4(hdr->frame_control)) 1264 return (u8 *)hdr + 30; 1265 else 1266 return (u8 *)hdr + 24; 1267 } 1268 1269 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 1270