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 /* linux_80211.c */ 42 extern int debug_80211; 43 44 45 /* 9.4.2.55 Management MIC element (CMAC-256, GMAC-128, and GMAC-256). */ 46 struct ieee80211_mmie_16 { 47 uint8_t element_id; 48 uint8_t length; 49 uint16_t key_id; 50 uint8_t ipn[6]; 51 uint8_t mic[16]; 52 }; 53 54 #define IEEE80211_CCMP_HDR_LEN 8 /* 802.11i .. net80211 comment */ 55 #define IEEE80211_CCMP_PN_LEN 6 56 #define IEEE80211_CCMP_MIC_LEN 8 /* || 16 */ 57 #define IEEE80211_CCMP_256_HDR_LEN 8 58 #define IEEE80211_CCMP_256_MIC_LEN 16 59 #define IEEE80211_GCMP_HDR_LEN 8 60 #define IEEE80211_GCMP_MIC_LEN 16 61 #define IEEE80211_GCMP_PN_LEN 6 62 #define IEEE80211_GMAC_PN_LEN 6 63 64 #define IEEE80211_MAX_PN_LEN 16 65 66 #define IEEE80211_INVAL_HW_QUEUE ((uint8_t)-1) 67 68 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 69 #define IEEE80211_MAX_AMPDU_BUF 256 /* for HE? */ 70 #define IEEE80211_MAX_AMPDU_BUF_HE 256 71 72 #define IEEE80211_MAX_FRAME_LEN 2352 73 #define IEEE80211_MAX_DATA_LEN (2300 + IEEE80211_CRC_LEN) 74 75 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 /* 9.3.2.1 Format of Data frames; non-VHT non-DMG STA */ 76 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 77 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 78 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 79 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 80 81 #define IEEE80211_MAX_RTS_THRESHOLD 2346 /* net80211::IEEE80211_RTS_MAX */ 82 83 #define IEEE80211_MIN_ACTION_SIZE 23 /* ? */ 84 85 /* Wi-Fi Peer-to-Peer (P2P) Technical Specification */ 86 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7f 87 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 88 89 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 90 #define IEEE80211_QOS_CTL_TID_MASK IEEE80211_QOS_TID 91 #define IEEE80211_QOS_CTL_EOSP 0x0010 92 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 /* 9.2.4.5.1, Table 9-6 QoS Control Field */ 93 94 #define IEEE80211_RATE_SHORT_PREAMBLE BIT(0) 95 96 enum ieee80211_rate_control_changed_flags { 97 IEEE80211_RC_BW_CHANGED = BIT(0), 98 IEEE80211_RC_NSS_CHANGED = BIT(1), 99 IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2), 100 IEEE80211_RC_SMPS_CHANGED = BIT(3), 101 }; 102 103 #define IEEE80211_SCTL_FRAG IEEE80211_SEQ_FRAG_MASK 104 #define IEEE80211_SCTL_SEQ IEEE80211_SEQ_SEQ_MASK 105 106 #define IEEE80211_TKIP_ICV_LEN 4 107 #define IEEE80211_TKIP_IV_LEN 8 /* WEP + KID + EXT */ 108 109 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) /* assigned to tx_highest */ 110 111 #define IEEE80211_VHT_MAX_AMPDU_1024K 7 /* 9.4.2.56.3 A-MPDU Parameters field, Table 9-163 */ 112 113 #define IEEE80211_WEP_IV_LEN 3 /* net80211: IEEE80211_WEP_IVLEN */ 114 #define IEEE80211_WEP_ICV_LEN 4 115 116 #define WLAN_AUTH_OPEN __LINE__ /* TODO FIXME brcmfmac */ 117 #define WLAN_CAPABILITY_IBSS __LINE__ /* TODO FIXME no longer used? */ 118 #define WLAN_CAPABILITY_SHORT_PREAMBLE __LINE__ /* TODO FIXME brcmfmac */ 119 #define WLAN_CAPABILITY_SHORT_SLOT_TIME __LINE__ /* TODO FIXME brcmfmac */ 120 121 enum wlan_ht_cap_sm_ps { 122 WLAN_HT_CAP_SM_PS_STATIC = 0, 123 WLAN_HT_CAP_SM_PS_DYNAMIC, 124 WLAN_HT_CAP_SM_PS_INVALID, 125 WLAN_HT_CAP_SM_PS_DISABLED, 126 }; 127 128 #define WLAN_MAX_KEY_LEN 32 /* TODO FIXME brcmfmac */ 129 #define WLAN_PMKID_LEN 16 /* TODO FIXME brcmfmac */ 130 131 #define WLAN_KEY_LEN_WEP40 5 132 #define WLAN_KEY_LEN_WEP104 13 133 #define WLAN_KEY_LEN_CCMP 16 134 #define WLAN_KEY_LEN_GCMP_256 32 135 136 /* 9.4.2.56.3, Table 9-163 Subfields of the A-MPDU Parameters field */ 137 enum ieee80211_min_mpdu_start_spacing { 138 IEEE80211_HT_MPDU_DENSITY_NONE = 0, 139 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4us */ 140 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8us */ 141 IEEE80211_HT_MPDU_DENSITY_16 = 7, /* 16us */ 142 }; 143 144 /* 9.4.2.57, Table 9-168, HT Operation element fields and subfields */ 145 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 /* B24.. */ 146 147 #define IEEE80211_FCTL_FTYPE IEEE80211_FC0_TYPE_MASK 148 #define IEEE80211_FCTL_STYPE IEEE80211_FC0_SUBTYPE_MASK 149 #define IEEE80211_FCTL_ORDER (IEEE80211_FC1_ORDER << 8) 150 #define IEEE80211_FCTL_PROTECTED (IEEE80211_FC1_PROTECTED << 8) 151 152 #define IEEE80211_STYPE_ASSOC_REQ IEEE80211_FC0_SUBTYPE_ASSOC_REQ 153 #define IEEE80211_STYPE_REASSOC_REQ IEEE80211_FC0_SUBTYPE_REASSOC_REQ 154 #define IEEE80211_STYPE_PROBE_REQ IEEE80211_FC0_SUBTYPE_PROBE_REQ 155 #define IEEE80211_STYPE_DISASSOC IEEE80211_FC0_SUBTYPE_DISASSOC 156 #define IEEE80211_STYPE_AUTH IEEE80211_FC0_SUBTYPE_AUTH 157 #define IEEE80211_STYPE_DEAUTH IEEE80211_FC0_SUBTYPE_DEAUTH 158 #define IEEE80211_STYPE_ACTION IEEE80211_FC0_SUBTYPE_ACTION 159 #define IEEE80211_STYPE_QOS_DATA IEEE80211_FC0_SUBTYPE_QOS 160 161 #define IEEE80211_NUM_ACS 4 /* net8021::WME_NUM_AC */ 162 163 #define IEEE80211_MAX_SSID_LEN 32 /* 9.4.2.2 SSID element, net80211: IEEE80211_NWID_LEN */ 164 165 166 /* Figure 9-27, BAR Control field */ 167 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 168 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 169 170 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE 1 /* TODO FIXME ax? */ 171 #define IEEE80211_PPE_THRES_NSS_MASK 2 /* TODO FIXME ax? */ 172 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS 3 /* TODO FIXME ax? */ 173 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 8 /* TODO FIXME ax? */ 174 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE 16 /* TODO FIXME ax? */ 175 176 #define IEEE80211_HT_OP_MODE_PROTECTION 0x03 /* MASK */ 177 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0x00 178 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 0x01 179 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 0x02 180 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 0x03 181 182 183 /* 9.6.13.1, Table 9-342 TDLS Action field values. */ 184 enum ieee80211_tdls_action_code { 185 WLAN_TDLS_SETUP_REQUEST = 0, 186 WLAN_TDLS_SETUP_RESPONSE = 1, 187 WLAN_TDLS_SETUP_CONFIRM = 2, 188 WLAN_TDLS_TEARDOWN = 3, 189 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 190 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 191 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 192 WLAN_TDLS_PEER_PSM_REQUEST = 7, 193 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 194 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 195 WLAN_TDLS_DISCOVERY_REQUEST = 10, 196 /* 11-255 reserved */ 197 }; 198 199 /* 9.4.2.27, Table 9-135. Extended Capabilities field. */ 200 /* This is split up into octets CAPA1 = octet 1, ... */ 201 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2 % 8) 202 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(22 % 8) 203 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(62 % 8) 204 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) /* XXX */ 205 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) /* XXX */ 206 207 208 /* iwlwifi/mvm/utils:: for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_VI; ac++) */ 209 /* Would be so much easier if we'd define constants to the same. */ 210 enum ieee80211_ac_numbers { 211 IEEE80211_AC_VO = 0, /* net80211::WME_AC_VO */ 212 IEEE80211_AC_VI = 1, /* net80211::WME_AC_VI */ 213 IEEE80211_AC_BE = 2, /* net80211::WME_AC_BE */ 214 IEEE80211_AC_BK = 3, /* net80211::WME_AC_BK */ 215 }; 216 217 #define IEEE80211_MAX_QUEUES 16 /* Assume IEEE80211_NUM_TIDS for the moment. */ 218 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO 1 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI 2 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK 4 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE 8 223 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0xf 224 225 struct vht_mcs { 226 uint16_t rx_mcs_map; 227 uint16_t rx_highest; 228 uint16_t tx_mcs_map; 229 uint16_t tx_highest; 230 }; 231 232 struct ieee80211_vht_cap { 233 struct vht_mcs supp_mcs;; 234 __le32 vht_cap_info; 235 }; 236 237 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 238 239 enum ieee80211_ht_max_ampdu_len { 240 IEEE80211_HT_MAX_AMPDU_64K 241 }; 242 243 enum ieee80211_ampdu_mlme_action { 244 IEEE80211_AMPDU_RX_START, 245 IEEE80211_AMPDU_RX_STOP, 246 IEEE80211_AMPDU_TX_OPERATIONAL, 247 IEEE80211_AMPDU_TX_START, 248 IEEE80211_AMPDU_TX_START_DELAY_ADDBA, 249 IEEE80211_AMPDU_TX_START_IMMEDIATE, 250 IEEE80211_AMPDU_TX_STOP_CONT, 251 IEEE80211_AMPDU_TX_STOP_FLUSH, 252 IEEE80211_AMPDU_TX_STOP_FLUSH_CONT 253 }; 254 255 enum ieee80211_chanctx_switch_mode { 256 CHANCTX_SWMODE_REASSIGN_VIF, 257 CHANCTX_SWMODE_SWAP_CONTEXTS, 258 }; 259 260 enum ieee80211_chanctx_change_flags { 261 IEEE80211_CHANCTX_CHANGE_MIN_WIDTH = BIT(0), 262 IEEE80211_CHANCTX_CHANGE_RADAR = BIT(1), 263 IEEE80211_CHANCTX_CHANGE_RX_CHAINS = BIT(2), 264 IEEE80211_CHANCTX_CHANGE_WIDTH = BIT(3), 265 IEEE80211_CHANCTX_CHANGE_CHANNEL = BIT(4), 266 }; 267 268 enum ieee80211_frame_release_type { 269 IEEE80211_FRAME_RELEASE_PSPOLL = 1, 270 IEEE80211_FRAME_RELEASE_UAPSD = 2, 271 }; 272 273 enum ieee80211_p2p_attr_ids { 274 IEEE80211_P2P_ATTR_DEVICE_ID, 275 IEEE80211_P2P_ATTR_DEVICE_INFO, 276 IEEE80211_P2P_ATTR_GROUP_ID, 277 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 278 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 279 }; 280 281 enum ieee80211_reconfig_type { 282 IEEE80211_RECONFIG_TYPE_RESTART, 283 IEEE80211_RECONFIG_TYPE_SUSPEND, 284 }; 285 286 enum ieee80211_roc_type { 287 IEEE80211_ROC_TYPE_MGMT_TX, 288 IEEE80211_ROC_TYPE_NORMAL, 289 }; 290 291 enum ieee80211_smps_mode { 292 IEEE80211_SMPS_OFF, 293 IEEE80211_SMPS_STATIC, 294 IEEE80211_SMPS_DYNAMIC, 295 IEEE80211_SMPS_AUTOMATIC, 296 IEEE80211_SMPS_NUM_MODES, 297 }; 298 299 /* net80211::IEEE80211_S_* different but represents the state machine. */ 300 /* Note: order here is important! */ 301 enum ieee80211_sta_state { 302 IEEE80211_STA_NOTEXIST, 303 IEEE80211_STA_NONE, 304 IEEE80211_STA_AUTH, 305 IEEE80211_STA_ASSOC, 306 IEEE80211_STA_AUTHORIZED, /* 802.1x */ 307 }; 308 309 enum ieee80211_sta_rx_bw { 310 IEEE80211_STA_RX_BW_20, 311 IEEE80211_STA_RX_BW_40, 312 IEEE80211_STA_RX_BW_80, 313 IEEE80211_STA_RX_BW_160, 314 IEEE80211_STA_RX_BW_320, 315 }; 316 317 enum ieee80211_tx_info_flags { 318 /* XXX TODO .. right shift numbers - not sure where that came from? */ 319 IEEE80211_TX_CTL_AMPDU = BIT(0), 320 IEEE80211_TX_CTL_ASSIGN_SEQ = BIT(1), 321 IEEE80211_TX_CTL_NO_ACK = BIT(2), 322 IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(3), 323 IEEE80211_TX_CTL_TX_OFFCHAN = BIT(4), 324 IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(5), 325 IEEE80211_TX_STATUS_EOSP = BIT(6), 326 IEEE80211_TX_STAT_ACK = BIT(7), 327 IEEE80211_TX_STAT_AMPDU = BIT(8), 328 IEEE80211_TX_STAT_AMPDU_NO_BACK = BIT(9), 329 IEEE80211_TX_STAT_TX_FILTERED = BIT(10), 330 IEEE80211_TX_STAT_NOACK_TRANSMITTED = BIT(11), 331 IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(12), 332 IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(13), 333 IEEE80211_TX_CTL_NO_CCK_RATE = BIT(14), 334 IEEE80211_TX_CTL_INJECTED = BIT(15), 335 }; 336 337 enum ieee80211_tx_control_flags { 338 /* XXX TODO .. right shift numbers */ 339 IEEE80211_TX_CTRL_PORT_CTRL_PROTO = BIT(0), 340 }; 341 342 enum ieee80211_tx_rate_flags { 343 /* XXX TODO .. right shift numbers */ 344 IEEE80211_TX_RC_40_MHZ_WIDTH = BIT(0), 345 IEEE80211_TX_RC_80_MHZ_WIDTH = BIT(1), 346 IEEE80211_TX_RC_160_MHZ_WIDTH = BIT(2), 347 IEEE80211_TX_RC_GREEN_FIELD = BIT(3), 348 IEEE80211_TX_RC_MCS = BIT(4), 349 IEEE80211_TX_RC_SHORT_GI = BIT(5), 350 IEEE80211_TX_RC_VHT_MCS = BIT(6), 351 IEEE80211_TX_RC_USE_SHORT_PREAMBLE = BIT(7), 352 }; 353 354 #define IEEE80211_HT_CTL_LEN 4 355 356 struct ieee80211_hdr { /* net80211::ieee80211_frame */ 357 __le16 frame_control; 358 __le16 duration_id; 359 uint8_t addr1[ETH_ALEN]; 360 uint8_t addr2[ETH_ALEN]; 361 uint8_t addr3[ETH_ALEN]; 362 __le16 seq_ctrl; 363 uint8_t addr4[ETH_ALEN]; 364 }; 365 366 struct ieee80211_vendor_ie { 367 }; 368 369 /* 9.3.3.2 Format of Management frames */ 370 struct ieee80211_mgmt { 371 __le16 frame_control; 372 __le16 duration_id; 373 uint8_t da[ETH_ALEN]; 374 uint8_t sa[ETH_ALEN]; 375 uint8_t bssid[ETH_ALEN]; 376 __le16 seq_ctrl; 377 union { 378 /* 9.3.3.3 Beacon frame format */ 379 struct { 380 uint64_t timestamp; 381 uint16_t beacon_int; 382 uint16_t capab_info; 383 uint8_t variable[0]; 384 } beacon; 385 /* 9.3.3.10 Probe Request frame format */ 386 struct { 387 uint8_t variable[0]; 388 } probe_req; 389 /* 9.3.3.11 Probe Response frame format */ 390 struct { 391 uint64_t timestamp; 392 uint16_t beacon_int; 393 uint16_t capab_info; 394 uint8_t variable[0]; 395 } probe_resp; 396 /* 9.3.3.14 Action frame format */ 397 struct { 398 /* 9.4.1.11 Action field */ 399 uint8_t category; 400 /* 9.6.8 Public Action details */ 401 union { 402 /* 9.6.8.33 Fine Timing Measurement frame format */ 403 struct { 404 uint8_t dialog_token; 405 uint8_t follow_up; 406 uint8_t tod[6]; 407 uint8_t toa[6]; 408 uint16_t tod_error; 409 uint16_t toa_error; 410 uint8_t variable[0]; 411 } ftm; 412 } u; 413 } action; 414 } u; 415 }; 416 417 #define MHZ_TO_KHZ(_f) ((_f) * 1000) 418 #define DBI_TO_MBI(_g) ((_g) * 100) 419 #define MBI_TO_DBI(_x) ((_x) / 100) 420 #define DBM_TO_MBM(_g) ((_g) * 100) 421 #define MBM_TO_DBM(_x) ((_x) / 100) 422 423 #define IEEE80211_SEQ_TO_SN(_seqn) (((_seqn) & IEEE80211_SEQ_SEQ_MASK) >> \ 424 IEEE80211_SEQ_SEQ_SHIFT) 425 426 /* Time unit (TU) to .. See net80211: IEEE80211_DUR_TU */ 427 #define TU_TO_JIFFIES(_tu) (usecs_to_jiffies(_tu) * 1024) 428 #define TU_TO_EXP_TIME(_tu) (jiffies + TU_TO_JIFFIES(_tu)) 429 430 /* 9.4.2.21.1, Table 9-82. */ 431 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 432 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 433 434 /* 9.4.2.1, Table 9-77. Element IDs. */ 435 enum ieee80211_eid { 436 WLAN_EID_SSID = 0, 437 WLAN_EID_SUPP_RATES = 1, 438 WLAN_EID_DS_PARAMS = 3, 439 WLAN_EID_TIM = 5, 440 WLAN_EID_COUNTRY = 7, /* IEEE80211_ELEMID_COUNTRY */ 441 WLAN_EID_REQUEST = 10, 442 WLAN_EID_CHANNEL_SWITCH = 37, 443 WLAN_EID_MEASURE_REPORT = 39, 444 WLAN_EID_RSN = 48, /* IEEE80211_ELEMID_RSN */ 445 WLAN_EID_EXT_SUPP_RATES = 50, 446 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 447 WLAN_EID_EXT_CAPABILITY = 127, 448 WLAN_EID_VENDOR_SPECIFIC = 221, 449 }; 450 451 /* 9.4.1.7, Table 9-45. Reason codes. */ 452 enum ieee80211_reason_code { 453 /* reserved = 0, */ 454 WLAN_REASON_UNSPECIFIED = 1, 455 WLAN_REASON_DEAUTH_LEAVING = 3, /* LEAVING_NETWORK_DEAUTH */ 456 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 457 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 458 }; 459 460 /* 9.4.1.9, Table 9-46. Status codes. */ 461 enum ieee80211_status_code { 462 WLAN_STATUS_SUCCESS = 0, 463 WLAN_STATUS_AUTH_TIMEOUT = 16, /* REJECTED_SEQUENCE_TIMEOUT */ 464 }; 465 466 /* net80211: IEEE80211_IS_CTL() */ 467 static __inline bool 468 ieee80211_is_ctl(__le16 fc) 469 { 470 __le16 v; 471 472 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 473 v = htole16(IEEE80211_FC0_TYPE_CTL); 474 475 return (fc == v); 476 } 477 478 /* net80211: IEEE80211_IS_DATA() */ 479 static __inline bool 480 ieee80211_is_data(__le16 fc) 481 { 482 __le16 v; 483 484 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 485 v = htole16(IEEE80211_FC0_TYPE_DATA); 486 487 return (fc == v); 488 } 489 490 /* net80211: IEEE80211_IS_QOSDATA() */ 491 static __inline bool 492 ieee80211_is_data_qos(__le16 fc) 493 { 494 __le16 v; 495 496 fc &= htole16(IEEE80211_FC0_SUBTYPE_QOS | IEEE80211_FC0_TYPE_MASK | 497 IEEE80211_FC0_VERSION_MASK); 498 v = htole16(IEEE80211_FC0_QOSDATA); 499 500 return (fc == v); 501 } 502 503 /* net80211: IEEE80211_IS_MGMT() */ 504 static __inline bool 505 ieee80211_is_mgmt(__le16 fc) 506 { 507 __le16 v; 508 509 fc &= htole16(IEEE80211_FC0_TYPE_MASK); 510 v = htole16(IEEE80211_FC0_TYPE_MGT); 511 512 return (fc == v); 513 } 514 515 516 /* Derived from net80211::ieee80211_anyhdrsize. */ 517 static __inline unsigned int 518 ieee80211_hdrlen(__le16 fc) 519 { 520 unsigned int size; 521 522 if (ieee80211_is_ctl(fc)) { 523 switch (fc & htole16(IEEE80211_FC0_SUBTYPE_MASK)) { 524 case htole16(IEEE80211_FC0_SUBTYPE_CTS): 525 case htole16(IEEE80211_FC0_SUBTYPE_ACK): 526 return sizeof(struct ieee80211_frame_ack); 527 case htole16(IEEE80211_FC0_SUBTYPE_BAR): 528 return sizeof(struct ieee80211_frame_bar); 529 } 530 return (sizeof(struct ieee80211_frame_min)); 531 } 532 533 size = sizeof(struct ieee80211_frame); 534 if (ieee80211_is_data(fc)) { 535 if ((fc & htole16(IEEE80211_FC1_DIR_MASK << 8)) == 536 htole16(IEEE80211_FC1_DIR_DSTODS << 8)) 537 size += IEEE80211_ADDR_LEN; 538 if ((fc & htole16(IEEE80211_FC0_SUBTYPE_QOS | 539 IEEE80211_FC0_TYPE_MASK)) == 540 htole16(IEEE80211_FC0_SUBTYPE_QOS | 541 IEEE80211_FC0_TYPE_DATA)) 542 size += sizeof(uint16_t); 543 } 544 545 if (ieee80211_is_mgmt(fc)) { 546 #ifdef __notyet__ 547 if (debug_80211 > 0) 548 printf("XXX-BZ %s: TODO? fc %#04x size %u\n", 549 __func__, fc, size); 550 #endif 551 ; 552 } 553 554 return (size); 555 } 556 557 #endif /* _LINUXKPI_LINUX_IEEE80211_H */ 558