1 /*- 2 * Copyright (c) 2020-2021 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 * $FreeBSD$ 29 */ 30 31 #ifndef _LINUXKPI_LINUX_IEEE80211_H 32 #define _LINUXKPI_LINUX_IEEE80211_H 33 34 #include <sys/types.h> 35 #include <net80211/ieee80211.h> 36 37 #include <asm/unaligned.h> 38 #include <linux/bitops.h> 39 #include <linux/if_ether.h> 40 41 42 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 43 struct ieee80211_mmie_16 { 44 uint8_t element_id; 45 uint8_t length; 46 uint16_t key_id; 47 uint8_t ipn[6]; 48 uint8_t mic[16]; 49 }; 50 51 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 52 #define IEEE80211_CCMP_PN_LEN 6 53 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 54 #define IEEE80211_CCMP_256_HDR_LEN 8 55 #define IEEE80211_CCMP_256_MIC_LEN 16 56 #define IEEE80211_GCMP_HDR_LEN 8 57 #define IEEE80211_GCMP_MIC_LEN 16 58 #define IEEE80211_GCMP_PN_LEN 6 59 #define IEEE80211_GMAC_PN_LEN 6 60 61 #define IEEE80211_MAX_PN_LEN 16 62 63 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 64 65 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 66 #define IEEE80211_MAX_AMPDU_BUF 256 /* for HE? */ 67 #define IEEE80211_MAX_AMPDU_BUF_HE 256 68 69 #define IEEE80211_MAX_FRAME_LEN 2352 70 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 71 72 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 73 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 74 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 75 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 76 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 77 78 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 79 80 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 81 82 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 83 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 84 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 85 86 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 87 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 88 #define IEEE80211_QOS_CTL_EOSP 0x0010 89 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 /* 9.2.4.5.1, Table 9-6 QoS Control Field */ 90 91 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) 92 93 enum ieee80211_rate_control_changed_flags { 94 IEEE80211_RC_BW_CHANGED = BIT(0), 95 IEEE80211_RC_NSS_CHANGED = BIT(1), 96 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 97 IEEE80211_RC_SMPS_CHANGED = BIT(3), 98 }; 99 100 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 101 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 102 103 #define IEEE80211_TKIP_ICV_LEN 4 104 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 105 106 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ 107 108 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 109 110 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 111 #define IEEE80211_WEP_ICV_LEN 4 112 113 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 114 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 115 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 116 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 117 118 enum wlan_ht_cap_sm_ps { 119 WLAN_HT_CAP_SM_PS_STATIC = 0, 120 WLAN_HT_CAP_SM_PS_DYNAMIC, 121 WLAN_HT_CAP_SM_PS_INVALID, 122 WLAN_HT_CAP_SM_PS_DISABLED, 123 }; 124 125 #define WLAN_MAX_KEY_LEN 32 /* TODO FIXME brcmfmac */ 126 #define WLAN_PMKID_LEN 16 /* TODO FIXME brcmfmac */ 127 128 #define WLAN_KEY_LEN_WEP40 5 129 #define WLAN_KEY_LEN_WEP104 13 130 #define WLAN_KEY_LEN_CCMP 16 131 #define WLAN_KEY_LEN_GCMP_256 32 132 133 /* 9.4.2.56.3, Table 9-163 Subfields of the A-MPDU Parameters field */ 134 enum ieee80211_min_mpdu_start_spacing { 135 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 136 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 137 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 138 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 139 }; 140 141 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 142 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 143 144 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 145 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 146 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 147 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 148 149 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 150 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 151 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 152 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 153 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 154 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 155 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 156 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS 157 158 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 159 160 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 161 162 163 /* Figure 9-27, BAR Control field */ 164 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 165 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 166 167 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 168 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 169 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 170 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 171 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 172 173 #define IEEE80211_HT_OP_MODE_PROTECTION 0x03 /* MASK */ 174 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0x00 175 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 0x01 176 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 0x02 177 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 0x03 178 179 180 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 181 enum ieee80211_tdls_action_code { 182 WLAN_TDLS_SETUP_REQUEST = 0, 183 WLAN_TDLS_SETUP_RESPONSE = 1, 184 WLAN_TDLS_SETUP_CONFIRM = 2, 185 WLAN_TDLS_TEARDOWN = 3, 186 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 187 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 188 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 189 WLAN_TDLS_PEER_PSM_REQUEST = 7, 190 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 191 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 192 WLAN_TDLS_DISCOVERY_REQUEST = 10, 193 /* 11-255 reserved */ 194 }; 195 196 /* 9.4.2.27, Table 9-135. Extended Capabilities field. */ 197 /* This is split up into octets CAPA1 = octet 1, ... */ 198 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 199 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 200 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 201 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) /* XXX */ 202 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) /* XXX */ 203 204 205 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 206 /* Would be so much easier if we'd define constants to the same. */ 207 enum ieee80211_ac_numbers { 208 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 209 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 210 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 211 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 212 }; 213 214 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 215 216 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 220 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 221 222 struct vht_mcs { 223 uint16_t rx_mcs_map; 224 uint16_t rx_highest; 225 uint16_t tx_mcs_map; 226 uint16_t tx_highest; 227 }; 228 229 struct ieee80211_vht_cap { 230 struct vht_mcs supp_mcs;; 231 __le32 vht_cap_info; 232 }; 233 234 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 235 236 enum ieee80211_ht_max_ampdu_len { 237 IEEE80211_HT_MAX_AMPDU_64K 238 }; 239 240 enum ieee80211_ampdu_mlme_action { 241 IEEE80211_AMPDU_RX_START, 242 IEEE80211_AMPDU_RX_STOP, 243 IEEE80211_AMPDU_TX_OPERATIONAL, 244 IEEE80211_AMPDU_TX_START, 245 IEEE80211_AMPDU_TX_START_DELAY_ADDBA, 246 IEEE80211_AMPDU_TX_START_IMMEDIATE, 247 IEEE80211_AMPDU_TX_STOP_CONT, 248 IEEE80211_AMPDU_TX_STOP_FLUSH, 249 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 250 }; 251 252 enum ieee80211_chanctx_switch_mode { 253 CHANCTX_SWMODE_REASSIGN_VIF, 254 CHANCTX_SWMODE_SWAP_CONTEXTS, 255 }; 256 257 enum ieee80211_chanctx_change_flags { 258 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 259 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 260 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 261 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 262 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 263 }; 264 265 enum ieee80211_frame_release_type { 266 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 267 IEEE80211_FRAME_RELEASE_UAPSD = 2, 268 }; 269 270 enum ieee80211_p2p_attr_ids { 271 IEEE80211_P2P_ATTR_DEVICE_ID, 272 IEEE80211_P2P_ATTR_DEVICE_INFO, 273 IEEE80211_P2P_ATTR_GROUP_ID, 274 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 275 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 276 }; 277 278 enum ieee80211_reconfig_type { 279 IEEE80211_RECONFIG_TYPE_RESTART, 280 IEEE80211_RECONFIG_TYPE_SUSPEND, 281 }; 282 283 enum ieee80211_roc_type { 284 IEEE80211_ROC_TYPE_MGMT_TX, 285 IEEE80211_ROC_TYPE_NORMAL, 286 }; 287 288 enum ieee80211_smps_mode { 289 IEEE80211_SMPS_OFF, 290 IEEE80211_SMPS_STATIC, 291 IEEE80211_SMPS_DYNAMIC, 292 IEEE80211_SMPS_AUTOMATIC, 293 IEEE80211_SMPS_NUM_MODES, 294 }; 295 296 /* net80211::IEEE80211_S_* different but represents the state machine. */ 297 /* Note: order here is important! */ 298 enum ieee80211_sta_state { 299 IEEE80211_STA_NOTEXIST, 300 IEEE80211_STA_NONE, 301 IEEE80211_STA_AUTH, 302 IEEE80211_STA_ASSOC, 303 IEEE80211_STA_AUTHORIZED, /* 802.1x */ 304 }; 305 306 enum ieee80211_sta_rx_bw { 307 IEEE80211_STA_RX_BW_20, 308 IEEE80211_STA_RX_BW_40, 309 IEEE80211_STA_RX_BW_80, 310 IEEE80211_STA_RX_BW_160, 311 IEEE80211_STA_RX_BW_320, 312 }; 313 314 enum ieee80211_tx_info_flags { 315 /* XXX TODO .. right shift numbers - not sure where that came from? */ 316 IEEE80211_TX_CTL_AMPDU = BIT(0), 317 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 318 IEEE80211_TX_CTL_NO_ACK = BIT(2), 319 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 320 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 321 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 322 IEEE80211_TX_STATUS_EOSP = BIT(6), 323 IEEE80211_TX_STAT_ACK = BIT(7), 324 IEEE80211_TX_STAT_AMPDU = BIT(8), 325 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 326 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 327 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 328 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 329 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 330 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 331 IEEE80211_TX_CTL_INJECTED = BIT(15), 332 }; 333 334 enum ieee80211_tx_control_flags { 335 /* XXX TODO .. right shift numbers */ 336 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 337 }; 338 339 enum ieee80211_tx_rate_flags { 340 /* XXX TODO .. right shift numbers */ 341 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 342 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 343 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 344 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 345 IEEE80211_TX_RC_MCS = BIT(4), 346 IEEE80211_TX_RC_SHORT_GI = BIT(5), 347 IEEE80211_TX_RC_VHT_MCS = BIT(6), 348 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 349 }; 350 351 #define IEEE80211_HT_CTL_LEN 4 352 353 struct ieee80211_hdr { /* net80211::ieee80211_frame */ 354 __le16 frame_control; 355 __le16 duration_id; 356 uint8_t addr1[ETH_ALEN]; 357 uint8_t addr2[ETH_ALEN]; 358 uint8_t addr3[ETH_ALEN]; 359 __le16 seq_ctrl; 360 uint8_t addr4[ETH_ALEN]; 361 }; 362 363 struct ieee80211_vendor_ie { 364 }; 365 366 /* 9.3.3.2 Format of Management frames */ 367 struct ieee80211_mgmt { 368 __le16 frame_control; 369 __le16 duration_id; 370 uint8_t da[ETH_ALEN]; 371 uint8_t sa[ETH_ALEN]; 372 uint8_t bssid[ETH_ALEN]; 373 __le16 seq_ctrl; 374 union { 375 /* 9.3.3.3 Beacon frame format */ 376 struct { 377 uint64_t timestamp; 378 uint16_t beacon_int; 379 uint16_t capab_info; 380 uint8_t variable[0]; 381 } beacon; 382 /* 9.3.3.10 Probe Request frame format */ 383 struct { 384 uint8_t variable[0]; 385 } probe_req; 386 /* 9.3.3.11 Probe Response frame format */ 387 struct { 388 uint64_t timestamp; 389 uint16_t beacon_int; 390 uint16_t capab_info; 391 uint8_t variable[0]; 392 } probe_resp; 393 /* 9.3.3.14 Action frame format */ 394 struct { 395 /* 9.4.1.11 Action field */ 396 uint8_t category; 397 /* 9.6.8 Public Action details */ 398 union { 399 /* 9.6.8.33 Fine Timing Measurement frame format */ 400 struct { 401 uint8_t dialog_token; 402 uint8_t follow_up; 403 uint8_t tod[6]; 404 uint8_t toa[6]; 405 uint16_t tod_error; 406 uint16_t toa_error; 407 uint8_t variable[0]; 408 } ftm; 409 } u; 410 } action; 411 } u; 412 }; 413 414 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 415 #define DBI_TO_MBI(_g) ((_g) * 100) 416 #define MBI_TO_DBI(_x) ((_x) / 100) 417 #define DBM_TO_MBM(_g) ((_g) * 100) 418 #define MBM_TO_DBM(_x) ((_x) / 100) 419 420 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 421 IEEE80211_SEQ_SEQ_SHIFT) 422 423 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 424 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 425 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 426 427 /* 9.4.2.21.1, Table 9-82. */ 428 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 429 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 430 431 /* 9.4.2.1, Table 9-77. Element IDs. */ 432 enum ieee80211_eid { 433 WLAN_EID_SSID = 0, 434 WLAN_EID_SUPP_RATES = 1, 435 WLAN_EID_DS_PARAMS = 3, 436 WLAN_EID_TIM = 5, 437 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 438 WLAN_EID_REQUEST = 10, 439 WLAN_EID_CHANNEL_SWITCH = 37, 440 WLAN_EID_MEASURE_REPORT = 39, 441 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 442 WLAN_EID_EXT_SUPP_RATES = 50, 443 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 444 WLAN_EID_EXT_CAPABILITY = 127, 445 WLAN_EID_VENDOR_SPECIFIC = 221, 446 }; 447 448 /* 9.4.1.7, Table 9-45. Reason codes. */ 449 enum ieee80211_reason_code { 450 /* reserved = 0, */ 451 WLAN_REASON_UNSPECIFIED = 1, 452 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 453 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 454 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 455 }; 456 457 /* 9.4.1.9, Table 9-46. Status codes. */ 458 enum ieee80211_status_code { 459 WLAN_STATUS_SUCCESS = 0, 460 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 461 }; 462 463 /* net80211: IEEE80211_IS_CTL() */ 464 static __inline bool 465 ieee80211_is_ctl(__le16 fc) 466 { 467 __le16 v; 468 469 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 470 v = htole16(IEEE80211_FC0_TYPE_CTL); 471 472 return (fc == v); 473 } 474 475 /* net80211: IEEE80211_IS_DATA() */ 476 static __inline bool 477 ieee80211_is_data(__le16 fc) 478 { 479 __le16 v; 480 481 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 482 v = htole16(IEEE80211_FC0_TYPE_DATA); 483 484 return (fc == v); 485 } 486 487 /* net80211: IEEE80211_IS_QOSDATA() */ 488 static __inline bool 489 ieee80211_is_data_qos(__le16 fc) 490 { 491 __le16 v; 492 493 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS | IEEE80211_FC0_TYPE_MASK | 494 IEEE80211_FC0_VERSION_MASK); 495 v = htole16(IEEE80211_FC0_QOSDATA); 496 497 return (fc == v); 498 } 499 500 /* net80211: IEEE80211_IS_MGMT() */ 501 static __inline bool 502 ieee80211_is_mgmt(__le16 fc) 503 { 504 __le16 v; 505 506 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 507 v = htole16(IEEE80211_FC0_TYPE_MGT); 508 509 return (fc == v); 510 } 511 512 513 /* Derived from net80211::ieee80211_anyhdrsize. */ 514 static __inline unsigned int 515 ieee80211_hdrlen(__le16 fc) 516 { 517 unsigned int size; 518 519 if (ieee80211_is_ctl(fc)) { 520 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 521 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 522 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 523 return sizeof(struct ieee80211_frame_ack); 524 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 525 return sizeof(struct ieee80211_frame_bar); 526 } 527 return (sizeof(struct ieee80211_frame_min)); 528 } 529 530 size = sizeof(struct ieee80211_frame); 531 if (ieee80211_is_data(fc)) { 532 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 533 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 534 size += IEEE80211_ADDR_LEN; 535 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS | 536 IEEE80211_FC0_TYPE_MASK)) == 537 htole16(IEEE80211_FC0_SUBTYPE_QOS | 538 IEEE80211_FC0_TYPE_DATA)) 539 size += sizeof(uint16_t); 540 } 541 542 if (ieee80211_is_mgmt(fc)) { 543 #ifdef __notyet__ 544 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 545 __func__, fc, size); 546 #endif 547 ; 548 } 549 550 return (size); 551 } 552 553 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 554