1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. 5 * 6 ******************************************************************************/ 7 #ifndef __IEEE80211_H 8 #define __IEEE80211_H 9 10 #include <osdep_service.h> 11 #include <drv_types.h> 12 #include "wifi.h" 13 #include <linux/wireless.h> 14 15 #ifdef CONFIG_88EU_AP_MODE 16 17 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28) 18 19 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */ 20 enum { 21 RTL871X_HOSTAPD_FLUSH = 1, 22 RTL871X_HOSTAPD_ADD_STA = 2, 23 RTL871X_HOSTAPD_REMOVE_STA = 3, 24 RTL871X_HOSTAPD_GET_INFO_STA = 4, 25 /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ 26 RTL871X_HOSTAPD_GET_WPAIE_STA = 5, 27 RTL871X_SET_ENCRYPTION = 6, 28 RTL871X_GET_ENCRYPTION = 7, 29 RTL871X_HOSTAPD_SET_FLAGS_STA = 8, 30 RTL871X_HOSTAPD_GET_RID = 9, 31 RTL871X_HOSTAPD_SET_RID = 10, 32 RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11, 33 RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12, 34 RTL871X_HOSTAPD_MLME = 13, 35 RTL871X_HOSTAPD_SCAN_REQ = 14, 36 RTL871X_HOSTAPD_STA_CLEAR_STATS = 15, 37 RTL871X_HOSTAPD_SET_BEACON = 16, 38 RTL871X_HOSTAPD_SET_WPS_BEACON = 17, 39 RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18, 40 RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19, 41 RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20, 42 RTL871X_HOSTAPD_SET_MACADDR_ACL = 21, 43 RTL871X_HOSTAPD_ACL_ADD_STA = 22, 44 RTL871X_HOSTAPD_ACL_REMOVE_STA = 23, 45 }; 46 47 /* STA flags */ 48 #define WLAN_STA_AUTH BIT(0) 49 #define WLAN_STA_ASSOC BIT(1) 50 #define WLAN_STA_PS BIT(2) 51 #define WLAN_STA_TIM BIT(3) 52 #define WLAN_STA_PERM BIT(4) 53 #define WLAN_STA_AUTHORIZED BIT(5) 54 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 55 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 56 #define WLAN_STA_PREAUTH BIT(8) 57 #define WLAN_STA_WME BIT(9) 58 #define WLAN_STA_MFP BIT(10) 59 #define WLAN_STA_HT BIT(11) 60 #define WLAN_STA_WPS BIT(12) 61 #define WLAN_STA_MAYBE_WPS BIT(13) 62 #define WLAN_STA_NONERP BIT(31) 63 64 #endif 65 66 #define IEEE_CMD_SET_WPA_PARAM 1 67 #define IEEE_CMD_SET_WPA_IE 2 68 #define IEEE_CMD_SET_ENCRYPTION 3 69 #define IEEE_CMD_MLME 4 70 71 #define IEEE_PARAM_WPA_ENABLED 1 72 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2 73 #define IEEE_PARAM_DROP_UNENCRYPTED 3 74 #define IEEE_PARAM_PRIVACY_INVOKED 4 75 #define IEEE_PARAM_AUTH_ALGS 5 76 #define IEEE_PARAM_IEEE_802_1X 6 77 #define IEEE_PARAM_WPAX_SELECT 7 78 79 #define AUTH_ALG_OPEN_SYSTEM 0x1 80 #define AUTH_ALG_SHARED_KEY 0x2 81 #define AUTH_ALG_LEAP 0x00000004 82 83 #define IEEE_MLME_STA_DEAUTH 1 84 #define IEEE_MLME_STA_DISASSOC 2 85 86 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 87 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 88 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 89 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 90 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 91 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 92 93 #define IEEE_CRYPT_ALG_NAME_LEN 16 94 95 #define WPA_CIPHER_NONE BIT(0) 96 #define WPA_CIPHER_WEP40 BIT(1) 97 #define WPA_CIPHER_WEP104 BIT(2) 98 #define WPA_CIPHER_TKIP BIT(3) 99 #define WPA_CIPHER_CCMP BIT(4) 100 101 #define WPA_SELECTOR_LEN 4 102 extern u8 RTW_WPA_OUI_TYPE[]; 103 extern u8 WPA_AUTH_KEY_MGMT_NONE[]; 104 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[]; 105 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[]; 106 extern u8 WPA_CIPHER_SUITE_NONE[]; 107 extern u8 WPA_CIPHER_SUITE_WEP40[]; 108 extern u8 WPA_CIPHER_SUITE_TKIP[]; 109 extern u8 WPA_CIPHER_SUITE_WRAP[]; 110 extern u8 WPA_CIPHER_SUITE_CCMP[]; 111 extern u8 WPA_CIPHER_SUITE_WEP104[]; 112 113 #define RSN_HEADER_LEN 4 114 #define RSN_SELECTOR_LEN 4 115 116 extern u16 RSN_VERSION_BSD; 117 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[]; 118 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[]; 119 extern u8 RSN_CIPHER_SUITE_NONE[]; 120 extern u8 RSN_CIPHER_SUITE_WEP40[]; 121 extern u8 RSN_CIPHER_SUITE_TKIP[]; 122 extern u8 RSN_CIPHER_SUITE_WRAP[]; 123 extern u8 RSN_CIPHER_SUITE_CCMP[]; 124 extern u8 RSN_CIPHER_SUITE_WEP104[]; 125 126 enum ratr_table_mode { 127 RATR_INX_WIRELESS_NGB = 0, /* BGN 40 Mhz 2SS 1SS */ 128 RATR_INX_WIRELESS_NG = 1, /* GN or N */ 129 RATR_INX_WIRELESS_NB = 2, /* BGN 20 Mhz 2SS 1SS or BN */ 130 RATR_INX_WIRELESS_N = 3, 131 RATR_INX_WIRELESS_GB = 4, 132 RATR_INX_WIRELESS_G = 5, 133 RATR_INX_WIRELESS_B = 6, 134 RATR_INX_WIRELESS_MC = 7, 135 RATR_INX_WIRELESS_AC_N = 8, 136 }; 137 138 enum NETWORK_TYPE { 139 WIRELESS_INVALID = 0, 140 /* Sub-Element */ 141 WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */ 142 WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/ 143 WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */ 144 WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */ 145 WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */ 146 WIRELESS_AC = BIT(6), 147 148 /* Combination */ 149 /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */ 150 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), 151 /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */ 152 WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N), 153 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */ 154 WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N), 155 /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */ 156 WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N), 157 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */ 158 WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N | 159 WIRELESS_11_5N), 160 WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G | 161 WIRELESS_11_24N | WIRELESS_11_5N), 162 }; 163 164 #define SUPPORTED_24G_NETTYPE_MSK \ 165 (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N) 166 #define SUPPORTED_5G_NETTYPE_MSK \ 167 (WIRELESS_11A | WIRELESS_11_5N) 168 169 #define IsSupported24G(NetType) \ 170 ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false) 171 #define IsSupported5G(NetType) \ 172 ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false) 173 174 #define IsEnableHWCCK(NetType) \ 175 IsSupported24G(NetType) 176 #define IsEnableHWOFDM(NetType) \ 177 ((NetType) & (WIRELESS_11G | WIRELESS_11_24N | \ 178 SUPPORTED_5G_NETTYPE_MSK) ? true : false) 179 180 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType) 181 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType) 182 #define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType) 183 184 #define IsSupportedTxCCK(NetType) \ 185 ((NetType) & (WIRELESS_11B) ? true : false) 186 #define IsSupportedTxOFDM(NetType) \ 187 ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? true : false) 188 #define IsSupportedTxMCS(NetType) \ 189 ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? true : false) 190 191 struct ieee_param { 192 u32 cmd; 193 u8 sta_addr[ETH_ALEN]; 194 union { 195 struct { 196 u8 name; 197 u32 value; 198 } wpa_param; 199 struct { 200 u32 len; 201 u8 reserved[32]; 202 u8 data[0]; 203 } wpa_ie; 204 struct { 205 int command; 206 int reason_code; 207 } mlme; 208 struct { 209 u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; 210 u8 set_tx; 211 u32 err; 212 u8 idx; 213 u8 seq[8]; /* sequence counter (set: RX, get: TX) */ 214 u16 key_len; 215 u8 key[0]; 216 } crypt; 217 #ifdef CONFIG_88EU_AP_MODE 218 struct { 219 u16 aid; 220 u16 capability; 221 int flags; 222 u8 tx_supp_rates[16]; 223 struct ieee80211_ht_cap ht_cap; 224 } add_sta; 225 struct { 226 u8 reserved[2];/* for set max_num_sta */ 227 u8 buf[0]; 228 } bcn_ie; 229 #endif 230 231 } u; 232 }; 233 234 #ifdef CONFIG_88EU_AP_MODE 235 struct ieee_param_ex { 236 u32 cmd; 237 u8 sta_addr[ETH_ALEN]; 238 u8 data[0]; 239 }; 240 241 struct sta_data { 242 u16 aid; 243 u16 capability; 244 int flags; 245 u32 sta_set; 246 u8 tx_supp_rates[16]; 247 u32 tx_supp_rates_len; 248 struct ieee80211_ht_cap ht_cap; 249 u64 rx_pkts; 250 u64 rx_bytes; 251 u64 rx_drops; 252 u64 tx_pkts; 253 u64 tx_bytes; 254 u64 tx_drops; 255 }; 256 #endif 257 258 #define IEEE80211_DATA_LEN 2304 259 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 260 * 6.2.1.1.2. 261 262 * The figure in section 7.1.2 suggests a body size of up to 2312 263 * bytes is allowed, which is a bit confusing, I suspect this 264 * represents the 2304 bytes of real data, plus a possible 8 bytes of 265 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) 266 */ 267 268 #define IEEE80211_HLEN 30 269 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 270 271 /* this is stolen from ipw2200 driver */ 272 #define IEEE_IBSS_MAC_HASH_SIZE 31 273 274 enum eap_type { 275 EAP_PACKET = 0, 276 EAPOL_START, 277 EAPOL_LOGOFF, 278 EAPOL_KEY, 279 EAPOL_ENCAP_ASF_ALERT 280 }; 281 282 #define IEEE80211_3ADDR_LEN 24 283 #define IEEE80211_4ADDR_LEN 30 284 #define IEEE80211_FCS_LEN 4 285 286 #define MIN_FRAG_THRESHOLD 256U 287 #define MAX_FRAG_THRESHOLD 2346U 288 289 /* sequence control field */ 290 #define RTW_IEEE80211_SCTL_FRAG 0x000F 291 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0 292 293 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0) 294 #define RTW_ERP_INFO_USE_PROTECTION BIT(1) 295 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2) 296 297 /* QoS, QOS */ 298 #define NORMAL_ACK 0 299 #define NO_ACK 1 300 #define NON_EXPLICIT_ACK 2 301 #define BLOCK_ACK 3 302 303 #ifndef ETH_P_PAE 304 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 305 #endif /* ETH_P_PAE */ 306 307 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ 308 309 #define ETH_P_ECONET 0x0018 310 311 #ifndef ETH_P_80211_RAW 312 #define ETH_P_80211_RAW (ETH_P_ECONET + 1) 313 #endif 314 315 /* IEEE 802.11 defines */ 316 317 #define P80211_OUI_LEN 3 318 319 struct ieee80211_snap_hdr { 320 u8 dsap; /* always 0xAA */ 321 u8 ssap; /* always 0xAA */ 322 u8 ctrl; /* always 0x03 */ 323 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 324 } __packed; 325 326 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) 327 328 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) 329 330 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG) 331 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ) 332 333 /* Non standard? Not in <linux/ieee80211.h> */ 334 #define WLAN_REASON_EXPIRATION_CHK 65535 335 336 #define IEEE80211_MGMT_HDR_LEN 24 337 #define IEEE80211_DATA_HDR3_LEN 24 338 #define IEEE80211_DATA_HDR4_LEN 30 339 340 #define IEEE80211_CCK_MODULATION BIT(0) 341 #define IEEE80211_OFDM_MODULATION BIT(1) 342 343 #define IEEE80211_24GHZ_BAND BIT(0) 344 #define IEEE80211_52GHZ_BAND BIT(1) 345 346 #define IEEE80211_CCK_RATE_LEN 4 347 #define IEEE80211_NUM_OFDM_RATESLEN 8 348 349 #define IEEE80211_CCK_RATE_1MB 0x02 350 #define IEEE80211_CCK_RATE_2MB 0x04 351 #define IEEE80211_CCK_RATE_5MB 0x0B 352 #define IEEE80211_CCK_RATE_11MB 0x16 353 #define IEEE80211_OFDM_RATE_LEN 8 354 #define IEEE80211_OFDM_RATE_6MB 0x0C 355 #define IEEE80211_OFDM_RATE_9MB 0x12 356 #define IEEE80211_OFDM_RATE_12MB 0x18 357 #define IEEE80211_OFDM_RATE_18MB 0x24 358 #define IEEE80211_OFDM_RATE_24MB 0x30 359 #define IEEE80211_OFDM_RATE_36MB 0x48 360 #define IEEE80211_OFDM_RATE_48MB 0x60 361 #define IEEE80211_OFDM_RATE_54MB 0x6C 362 #define IEEE80211_BASIC_RATE_MASK 0x80 363 364 #define IEEE80211_CCK_RATE_1MB_MASK BIT(0) 365 #define IEEE80211_CCK_RATE_2MB_MASK BIT(1) 366 #define IEEE80211_CCK_RATE_5MB_MASK BIT(2) 367 #define IEEE80211_CCK_RATE_11MB_MASK BIT(3) 368 #define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) 369 #define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) 370 #define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) 371 #define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) 372 #define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) 373 #define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) 374 #define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) 375 #define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) 376 377 #define IEEE80211_CCK_RATES_MASK 0x0000000F 378 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ 379 IEEE80211_CCK_RATE_2MB_MASK) 380 #define IEEE80211_CCK_DEFAULT_RATES_MASK \ 381 (IEEE80211_CCK_BASIC_RATES_MASK | \ 382 IEEE80211_CCK_RATE_5MB_MASK | \ 383 IEEE80211_CCK_RATE_11MB_MASK) 384 385 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 386 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ 387 IEEE80211_OFDM_RATE_12MB_MASK | \ 388 IEEE80211_OFDM_RATE_24MB_MASK) 389 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \ 390 (IEEE80211_OFDM_BASIC_RATES_MASK | \ 391 IEEE80211_OFDM_RATE_9MB_MASK | \ 392 IEEE80211_OFDM_RATE_18MB_MASK | \ 393 IEEE80211_OFDM_RATE_36MB_MASK | \ 394 IEEE80211_OFDM_RATE_48MB_MASK | \ 395 IEEE80211_OFDM_RATE_54MB_MASK) 396 397 #define IEEE80211_NUM_OFDM_RATES 8 398 #define IEEE80211_NUM_CCK_RATES 4 399 #define IEEE80211_OFDM_SHIFT_MASK_A 4 400 401 /* IEEE 802.11 requires that STA supports concurrent reception of at least 402 * three fragmented frames. This define can be increased to support more 403 * concurrent frames, but it should be noted that each entry can consume about 404 * 2 kB of RAM and increasing cache size will slow down frame reassembly. 405 */ 406 #define IEEE80211_FRAG_CACHE_LEN 4 407 408 #define SEC_KEY_1 BIT(0) 409 #define SEC_KEY_2 BIT(1) 410 #define SEC_KEY_3 BIT(2) 411 #define SEC_KEY_4 BIT(3) 412 #define SEC_ACTIVE_KEY BIT(4) 413 #define SEC_AUTH_MODE BIT(5) 414 #define SEC_UNICAST_GROUP BIT(6) 415 #define SEC_LEVEL BIT(7) 416 #define SEC_ENABLED BIT(8) 417 418 #define SEC_LEVEL_0 0 /* None */ 419 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 420 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 421 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 422 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 423 424 #define WEP_KEYS 4 425 #define WEP_KEY_LEN 13 426 427 /* SWEEP TABLE ENTRIES NUMBER*/ 428 #define MAX_SWEEP_TAB_ENTRIES 42 429 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 430 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 431 * only use 8, and then use extended rates for the remaining supported 432 * rates. Other APs, however, stick all of their supported rates on the 433 * main rates information element... 434 */ 435 #define MAX_RATES_LENGTH ((u8)12) 436 #define MAX_RATES_EX_LENGTH ((u8)16) 437 #define MAX_NETWORK_COUNT 128 438 #define MAX_CHANNEL_NUMBER 161 439 #define IEEE80211_SOFTMAC_SCAN_TIME 400 440 /* HZ / 2) */ 441 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 442 443 #define CRC_LENGTH 4U 444 445 #define MAX_WPA_IE_LEN (256) 446 #define MAX_WPS_IE_LEN (512) 447 #define MAX_P2P_IE_LEN (256) 448 #define MAX_WFD_IE_LEN (128) 449 450 #define NETWORK_EMPTY_ESSID BIT(0) 451 #define NETWORK_HAS_OFDM BIT(1) 452 #define NETWORK_HAS_CCK BIT(2) 453 454 #define IW_ESSID_MAX_SIZE 32 455 /* 456 * join_res: 457 * -1: authentication fail 458 * -2: association fail 459 * > 0: TID 460 */ 461 462 enum ieee80211_state { 463 /* the card is not linked at all */ 464 IEEE80211_NOLINK = 0, 465 466 /* IEEE80211_ASSOCIATING* are for BSS client mode 467 * the driver shall not perform RX filtering unless 468 * the state is LINKED. 469 * The driver shall just check for the state LINKED and 470 * defaults to NOLINK for ALL the other states (including 471 * LINKED_SCANNING) 472 */ 473 474 /* the association procedure will start (wq scheduling)*/ 475 IEEE80211_ASSOCIATING, 476 IEEE80211_ASSOCIATING_RETRY, 477 478 /* the association procedure is sending AUTH request*/ 479 IEEE80211_ASSOCIATING_AUTHENTICATING, 480 481 /* the association procedure has successfully authentcated 482 * and is sending association request 483 */ 484 IEEE80211_ASSOCIATING_AUTHENTICATED, 485 486 /* the link is ok. the card associated to a BSS or linked 487 * to a ibss cell or acting as an AP and creating the bss 488 */ 489 IEEE80211_LINKED, 490 491 /* same as LINKED, but the driver shall apply RX filter 492 * rules as we are in NO_LINK mode. As the card is still 493 * logically linked, but it is doing a syncro site survey 494 * then it will be back to LINKED state. 495 */ 496 IEEE80211_LINKED_SCANNING, 497 498 }; 499 500 #define DEFAULT_MAX_SCAN_AGE (15 * HZ) 501 #define DEFAULT_FTS 2346 502 503 #define CFG_IEEE80211_RESERVE_FCS BIT(0) 504 #define CFG_IEEE80211_COMPUTE_FCS BIT(1) 505 506 #define MAXTID 16 507 508 #define IEEE_A BIT(0) 509 #define IEEE_B BIT(1) 510 #define IEEE_G BIT(2) 511 #define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) 512 513 /* Action category code */ 514 enum rtw_ieee80211_category { 515 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0, 516 RTW_WLAN_CATEGORY_QOS = 1, 517 RTW_WLAN_CATEGORY_DLS = 2, 518 RTW_WLAN_CATEGORY_BACK = 3, 519 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */ 520 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 521 RTW_WLAN_CATEGORY_FT = 6, 522 RTW_WLAN_CATEGORY_HT = 7, 523 RTW_WLAN_CATEGORY_SA_QUERY = 8, 524 RTW_WLAN_CATEGORY_TDLS = 12, 525 RTW_WLAN_CATEGORY_WMM = 17, 526 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */ 527 }; 528 529 enum _PUBLIC_ACTION { 530 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */ 531 ACT_PUBLIC_DSE_ENABLE = 1, 532 ACT_PUBLIC_DSE_DEENABLE = 2, 533 ACT_PUBLIC_DSE_REG_LOCATION = 3, 534 ACT_PUBLIC_EXT_CHL_SWITCH = 4, 535 ACT_PUBLIC_DSE_MSR_REQ = 5, 536 ACT_PUBLIC_DSE_MSR_RPRT = 6, 537 ACT_PUBLIC_MP = 7, /* Measurement Pilot */ 538 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8, 539 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */ 540 ACT_PUBLIC_GAS_INITIAL_REQ = 10, 541 ACT_PUBLIC_GAS_INITIAL_RSP = 11, 542 ACT_PUBLIC_GAS_COMEBACK_REQ = 12, 543 ACT_PUBLIC_GAS_COMEBACK_RSP = 13, 544 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14, 545 ACT_PUBLIC_LOCATION_TRACK = 15, 546 ACT_PUBLIC_MAX 547 }; 548 549 /* BACK action code */ 550 enum rtw_ieee80211_back_actioncode { 551 RTW_WLAN_ACTION_ADDBA_REQ = 0, 552 RTW_WLAN_ACTION_ADDBA_RESP = 1, 553 RTW_WLAN_ACTION_DELBA = 2, 554 }; 555 556 /* HT features action code */ 557 enum rtw_ieee80211_ht_actioncode { 558 RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0, 559 RTW_WLAN_ACTION_SM_PS = 1, 560 RTW_WLAN_ACTION_PSPM = 2, 561 RTW_WLAN_ACTION_PCO_PHASE = 3, 562 RTW_WLAN_ACTION_MIMO_CSI_MX = 4, 563 RTW_WLAN_ACTION_MIMO_NONCP_BF = 5, 564 RTW_WLAN_ACTION_MIMP_CP_BF = 6, 565 RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7, 566 RTW_WLAN_ACTION_HI_INFO_EXCHG = 8, 567 }; 568 569 /* BACK (block-ack) parties */ 570 enum rtw_ieee80211_back_parties { 571 RTW_WLAN_BACK_RECIPIENT = 0, 572 RTW_WLAN_BACK_INITIATOR = 1, 573 RTW_WLAN_BACK_TIMER = 2, 574 }; 575 576 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs) 577 * 00:50:F2 578 */ 579 #define WME_OUI_TYPE 2 580 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0 581 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1 582 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2 583 #define WME_VERSION 1 584 585 #define WME_ACTION_CODE_SETUP_REQUEST 0 586 #define WME_ACTION_CODE_SETUP_RESPONSE 1 587 #define WME_ACTION_CODE_TEARDOWN 2 588 589 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0 590 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1 591 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3 592 593 #define WME_TSPEC_DIRECTION_UPLINK 0 594 #define WME_TSPEC_DIRECTION_DOWNLINK 1 595 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3 596 597 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */ 598 599 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */ 600 601 /** 602 * enum rtw_ieee80211_channel_flags - channel flags 603 * 604 * Channel flags set by the regulatory control code. 605 * 606 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled. 607 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted 608 * on this channel. 609 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. 610 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel. 611 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel 612 * is not permitted. 613 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel 614 * is not permitted. 615 */ 616 enum rtw_ieee80211_channel_flags { 617 RTW_IEEE80211_CHAN_DISABLED = BIT(0), 618 RTW_IEEE80211_CHAN_PASSIVE_SCAN = BIT(1), 619 RTW_IEEE80211_CHAN_NO_IBSS = BIT(2), 620 RTW_IEEE80211_CHAN_RADAR = BIT(3), 621 RTW_IEEE80211_CHAN_NO_HT40PLUS = BIT(4), 622 RTW_IEEE80211_CHAN_NO_HT40MINUS = BIT(5), 623 }; 624 625 #define RTW_IEEE80211_CHAN_NO_HT40 \ 626 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS) 627 628 /* Represent channel details, subset of ieee80211_channel */ 629 struct rtw_ieee80211_channel { 630 u16 hw_value; 631 u32 flags; 632 }; 633 634 #define CHAN_FMT \ 635 "hw_value:%u, " \ 636 "flags:0x%08x" \ 637 638 #define CHAN_ARG(channel) \ 639 (channel)->hw_value \ 640 , (channel)->flags \ 641 642 /* Parsed Information Elements */ 643 struct rtw_ieee802_11_elems { 644 u8 *ssid; 645 u8 ssid_len; 646 u8 *supp_rates; 647 u8 supp_rates_len; 648 u8 *fh_params; 649 u8 fh_params_len; 650 u8 *ds_params; 651 u8 ds_params_len; 652 u8 *cf_params; 653 u8 cf_params_len; 654 u8 *tim; 655 u8 tim_len; 656 u8 *ibss_params; 657 u8 ibss_params_len; 658 u8 *challenge; 659 u8 challenge_len; 660 u8 *erp_info; 661 u8 erp_info_len; 662 u8 *ext_supp_rates; 663 u8 ext_supp_rates_len; 664 u8 *wpa_ie; 665 u8 wpa_ie_len; 666 u8 *rsn_ie; 667 u8 rsn_ie_len; 668 u8 *wme; 669 u8 wme_len; 670 u8 *wme_tspec; 671 u8 wme_tspec_len; 672 u8 *wps_ie; 673 u8 wps_ie_len; 674 u8 *power_cap; 675 u8 power_cap_len; 676 u8 *supp_channels; 677 u8 supp_channels_len; 678 u8 *mdie; 679 u8 mdie_len; 680 u8 *ftie; 681 u8 ftie_len; 682 u8 *timeout_int; 683 u8 timeout_int_len; 684 u8 *ht_capabilities; 685 u8 ht_capabilities_len; 686 u8 *ht_operation; 687 u8 ht_operation_len; 688 u8 *vendor_ht_cap; 689 u8 vendor_ht_cap_len; 690 }; 691 692 enum parse_res { 693 ParseOK = 0, 694 ParseUnknown = 1, 695 ParseFailed = -1 696 }; 697 698 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len, 699 struct rtw_ieee802_11_elems *elems, 700 int show_errors); 701 702 u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len, 703 void *source, unsigned int *frlen); 704 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen); 705 706 enum secondary_ch_offset { 707 SCN = 0, /* no secondary channel */ 708 SCA = 1, /* secondary channel above */ 709 SCB = 3, /* secondary channel below */ 710 }; 711 712 u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit); 713 714 void rtw_set_supported_rate(u8 *SupportedRates, uint mode); 715 716 unsigned char *rtw_get_wpa_ie(unsigned char *pie, uint *wpa_ie_len, int limit); 717 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit); 718 int rtw_get_wpa_cipher_suite(u8 *s); 719 int rtw_get_wpa2_cipher_suite(u8 *s); 720 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len); 721 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 722 int *pairwise_cipher, int *is_8021x); 723 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 724 int *pairwise_cipher, int *is_8021x); 725 726 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, 727 u8 *wpa_ie, u16 *wpa_len); 728 729 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen); 730 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); 731 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, 732 u8 *buf_attr, u32 *len_attr); 733 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, 734 u8 *buf_content, uint *len_content); 735 736 uint rtw_get_rateset_len(u8 *rateset); 737 738 struct registry_priv; 739 int rtw_generate_ie(struct registry_priv *pregistrypriv); 740 741 int rtw_get_bit_value_from_ieee_value(u8 val); 742 743 bool rtw_is_cckrates_included(u8 *rate); 744 745 bool rtw_is_cckratesonly_included(u8 *rate); 746 747 int rtw_check_network_type(unsigned char *rate); 748 749 void rtw_get_bcn_info(struct wlan_network *pnetwork); 750 751 void rtw_macaddr_cfg(u8 *mac_addr); 752 753 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, 754 unsigned char *MCS_rate); 755 756 #endif /* IEEE80211_H */ 757