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 #define MGMT_QUEUE_NUM 5 16 17 #define ETH_ALEN 6 18 #define ETH_TYPE_LEN 2 19 #define PAYLOAD_TYPE_LEN 1 20 21 #ifdef CONFIG_88EU_AP_MODE 22 23 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28) 24 25 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */ 26 enum { 27 RTL871X_HOSTAPD_FLUSH = 1, 28 RTL871X_HOSTAPD_ADD_STA = 2, 29 RTL871X_HOSTAPD_REMOVE_STA = 3, 30 RTL871X_HOSTAPD_GET_INFO_STA = 4, 31 /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ 32 RTL871X_HOSTAPD_GET_WPAIE_STA = 5, 33 RTL871X_SET_ENCRYPTION = 6, 34 RTL871X_GET_ENCRYPTION = 7, 35 RTL871X_HOSTAPD_SET_FLAGS_STA = 8, 36 RTL871X_HOSTAPD_GET_RID = 9, 37 RTL871X_HOSTAPD_SET_RID = 10, 38 RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11, 39 RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12, 40 RTL871X_HOSTAPD_MLME = 13, 41 RTL871X_HOSTAPD_SCAN_REQ = 14, 42 RTL871X_HOSTAPD_STA_CLEAR_STATS = 15, 43 RTL871X_HOSTAPD_SET_BEACON = 16, 44 RTL871X_HOSTAPD_SET_WPS_BEACON = 17, 45 RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18, 46 RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19, 47 RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20, 48 RTL871X_HOSTAPD_SET_MACADDR_ACL = 21, 49 RTL871X_HOSTAPD_ACL_ADD_STA = 22, 50 RTL871X_HOSTAPD_ACL_REMOVE_STA = 23, 51 }; 52 53 /* STA flags */ 54 #define WLAN_STA_AUTH BIT(0) 55 #define WLAN_STA_ASSOC BIT(1) 56 #define WLAN_STA_PS BIT(2) 57 #define WLAN_STA_TIM BIT(3) 58 #define WLAN_STA_PERM BIT(4) 59 #define WLAN_STA_AUTHORIZED BIT(5) 60 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 61 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 62 #define WLAN_STA_PREAUTH BIT(8) 63 #define WLAN_STA_WME BIT(9) 64 #define WLAN_STA_MFP BIT(10) 65 #define WLAN_STA_HT BIT(11) 66 #define WLAN_STA_WPS BIT(12) 67 #define WLAN_STA_MAYBE_WPS BIT(13) 68 #define WLAN_STA_NONERP BIT(31) 69 70 #endif 71 72 #define IEEE_CMD_SET_WPA_PARAM 1 73 #define IEEE_CMD_SET_WPA_IE 2 74 #define IEEE_CMD_SET_ENCRYPTION 3 75 #define IEEE_CMD_MLME 4 76 77 #define IEEE_PARAM_WPA_ENABLED 1 78 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2 79 #define IEEE_PARAM_DROP_UNENCRYPTED 3 80 #define IEEE_PARAM_PRIVACY_INVOKED 4 81 #define IEEE_PARAM_AUTH_ALGS 5 82 #define IEEE_PARAM_IEEE_802_1X 6 83 #define IEEE_PARAM_WPAX_SELECT 7 84 85 #define AUTH_ALG_OPEN_SYSTEM 0x1 86 #define AUTH_ALG_SHARED_KEY 0x2 87 #define AUTH_ALG_LEAP 0x00000004 88 89 #define IEEE_MLME_STA_DEAUTH 1 90 #define IEEE_MLME_STA_DISASSOC 2 91 92 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 93 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 94 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 95 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 96 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 97 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 98 99 100 #define IEEE_CRYPT_ALG_NAME_LEN 16 101 102 #define WPA_CIPHER_NONE BIT(0) 103 #define WPA_CIPHER_WEP40 BIT(1) 104 #define WPA_CIPHER_WEP104 BIT(2) 105 #define WPA_CIPHER_TKIP BIT(3) 106 #define WPA_CIPHER_CCMP BIT(4) 107 108 109 110 #define WPA_SELECTOR_LEN 4 111 extern u8 RTW_WPA_OUI_TYPE[]; 112 extern u8 WPA_AUTH_KEY_MGMT_NONE[]; 113 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[]; 114 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[]; 115 extern u8 WPA_CIPHER_SUITE_NONE[]; 116 extern u8 WPA_CIPHER_SUITE_WEP40[]; 117 extern u8 WPA_CIPHER_SUITE_TKIP[]; 118 extern u8 WPA_CIPHER_SUITE_WRAP[]; 119 extern u8 WPA_CIPHER_SUITE_CCMP[]; 120 extern u8 WPA_CIPHER_SUITE_WEP104[]; 121 122 123 #define RSN_HEADER_LEN 4 124 #define RSN_SELECTOR_LEN 4 125 126 extern u16 RSN_VERSION_BSD; 127 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[]; 128 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[]; 129 extern u8 RSN_CIPHER_SUITE_NONE[]; 130 extern u8 RSN_CIPHER_SUITE_WEP40[]; 131 extern u8 RSN_CIPHER_SUITE_TKIP[]; 132 extern u8 RSN_CIPHER_SUITE_WRAP[]; 133 extern u8 RSN_CIPHER_SUITE_CCMP[]; 134 extern u8 RSN_CIPHER_SUITE_WEP104[]; 135 136 enum ratr_table_mode { 137 RATR_INX_WIRELESS_NGB = 0, /* BGN 40 Mhz 2SS 1SS */ 138 RATR_INX_WIRELESS_NG = 1, /* GN or N */ 139 RATR_INX_WIRELESS_NB = 2, /* BGN 20 Mhz 2SS 1SS or BN */ 140 RATR_INX_WIRELESS_N = 3, 141 RATR_INX_WIRELESS_GB = 4, 142 RATR_INX_WIRELESS_G = 5, 143 RATR_INX_WIRELESS_B = 6, 144 RATR_INX_WIRELESS_MC = 7, 145 RATR_INX_WIRELESS_AC_N = 8, 146 }; 147 148 enum NETWORK_TYPE { 149 WIRELESS_INVALID = 0, 150 /* Sub-Element */ 151 WIRELESS_11B = BIT(0), /* tx:cck only, rx:cck only, hw: cck */ 152 WIRELESS_11G = BIT(1), /* tx:ofdm only, rx:ofdm & cck, hw:cck & ofdm*/ 153 WIRELESS_11A = BIT(2), /* tx:ofdm only, rx: ofdm only, hw:ofdm only */ 154 WIRELESS_11_24N = BIT(3), /* tx:MCS only, rx:MCS & cck, hw:MCS & cck */ 155 WIRELESS_11_5N = BIT(4), /* tx:MCS only, rx:MCS & ofdm, hw:ofdm only */ 156 WIRELESS_AC = BIT(6), 157 158 /* Combination */ 159 /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */ 160 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), 161 /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */ 162 WIRELESS_11G_24N = (WIRELESS_11G | WIRELESS_11_24N), 163 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */ 164 WIRELESS_11A_5N = (WIRELESS_11A | WIRELESS_11_5N), 165 /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */ 166 WIRELESS_11BG_24N = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N), 167 /* tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */ 168 WIRELESS_11AGN = (WIRELESS_11A | WIRELESS_11G | WIRELESS_11_24N | 169 WIRELESS_11_5N), 170 WIRELESS_11ABGN = (WIRELESS_11A | WIRELESS_11B | WIRELESS_11G | 171 WIRELESS_11_24N | WIRELESS_11_5N), 172 }; 173 174 #define SUPPORTED_24G_NETTYPE_MSK \ 175 (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N) 176 #define SUPPORTED_5G_NETTYPE_MSK \ 177 (WIRELESS_11A | WIRELESS_11_5N) 178 179 #define IsSupported24G(NetType) \ 180 ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false) 181 #define IsSupported5G(NetType) \ 182 ((NetType) & SUPPORTED_5G_NETTYPE_MSK ? true : false) 183 184 #define IsEnableHWCCK(NetType) \ 185 IsSupported24G(NetType) 186 #define IsEnableHWOFDM(NetType) \ 187 ((NetType) & (WIRELESS_11G | WIRELESS_11_24N | \ 188 SUPPORTED_5G_NETTYPE_MSK) ? true : false) 189 190 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType) 191 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType) 192 #define IsSupportedRxMCS(NetType) IsEnableHWOFDM(NetType) 193 194 #define IsSupportedTxCCK(NetType) \ 195 ((NetType) & (WIRELESS_11B) ? true : false) 196 #define IsSupportedTxOFDM(NetType) \ 197 ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? true : false) 198 #define IsSupportedTxMCS(NetType) \ 199 ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? true : false) 200 201 202 struct ieee_param { 203 u32 cmd; 204 u8 sta_addr[ETH_ALEN]; 205 union { 206 struct { 207 u8 name; 208 u32 value; 209 } wpa_param; 210 struct { 211 u32 len; 212 u8 reserved[32]; 213 u8 data[0]; 214 } wpa_ie; 215 struct { 216 int command; 217 int reason_code; 218 } mlme; 219 struct { 220 u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; 221 u8 set_tx; 222 u32 err; 223 u8 idx; 224 u8 seq[8]; /* sequence counter (set: RX, get: TX) */ 225 u16 key_len; 226 u8 key[0]; 227 } crypt; 228 #ifdef CONFIG_88EU_AP_MODE 229 struct { 230 u16 aid; 231 u16 capability; 232 int flags; 233 u8 tx_supp_rates[16]; 234 struct ieee80211_ht_cap ht_cap; 235 } add_sta; 236 struct { 237 u8 reserved[2];/* for set max_num_sta */ 238 u8 buf[0]; 239 } bcn_ie; 240 #endif 241 242 } u; 243 }; 244 245 #ifdef CONFIG_88EU_AP_MODE 246 struct ieee_param_ex { 247 u32 cmd; 248 u8 sta_addr[ETH_ALEN]; 249 u8 data[0]; 250 }; 251 252 struct sta_data { 253 u16 aid; 254 u16 capability; 255 int flags; 256 u32 sta_set; 257 u8 tx_supp_rates[16]; 258 u32 tx_supp_rates_len; 259 struct ieee80211_ht_cap ht_cap; 260 u64 rx_pkts; 261 u64 rx_bytes; 262 u64 rx_drops; 263 u64 tx_pkts; 264 u64 tx_bytes; 265 u64 tx_drops; 266 }; 267 #endif 268 269 #define IEEE80211_DATA_LEN 2304 270 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 271 * 6.2.1.1.2. 272 273 * The figure in section 7.1.2 suggests a body size of up to 2312 274 * bytes is allowed, which is a bit confusing, I suspect this 275 * represents the 2304 bytes of real data, plus a possible 8 bytes of 276 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) 277 */ 278 279 280 #define IEEE80211_HLEN 30 281 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 282 283 284 /* this is stolen from ipw2200 driver */ 285 #define IEEE_IBSS_MAC_HASH_SIZE 31 286 287 enum eap_type { 288 EAP_PACKET = 0, 289 EAPOL_START, 290 EAPOL_LOGOFF, 291 EAPOL_KEY, 292 EAPOL_ENCAP_ASF_ALERT 293 }; 294 295 #define IEEE80211_3ADDR_LEN 24 296 #define IEEE80211_4ADDR_LEN 30 297 #define IEEE80211_FCS_LEN 4 298 299 #define MIN_FRAG_THRESHOLD 256U 300 #define MAX_FRAG_THRESHOLD 2346U 301 302 /* sequence control field */ 303 #define RTW_IEEE80211_SCTL_FRAG 0x000F 304 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0 305 306 307 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0) 308 #define RTW_ERP_INFO_USE_PROTECTION BIT(1) 309 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2) 310 311 /* QoS, QOS */ 312 #define NORMAL_ACK 0 313 #define NO_ACK 1 314 #define NON_EXPLICIT_ACK 2 315 #define BLOCK_ACK 3 316 317 #ifndef ETH_P_PAE 318 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 319 #endif /* ETH_P_PAE */ 320 321 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ 322 323 #define ETH_P_ECONET 0x0018 324 325 #ifndef ETH_P_80211_RAW 326 #define ETH_P_80211_RAW (ETH_P_ECONET + 1) 327 #endif 328 329 /* IEEE 802.11 defines */ 330 331 #define P80211_OUI_LEN 3 332 333 struct ieee80211_snap_hdr { 334 u8 dsap; /* always 0xAA */ 335 u8 ssap; /* always 0xAA */ 336 u8 ctrl; /* always 0x03 */ 337 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 338 } __packed; 339 340 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) 341 342 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) 343 344 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG) 345 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ) 346 347 /* Non standard? Not in <linux/ieee80211.h> */ 348 #define WLAN_REASON_EXPIRATION_CHK 65535 349 350 #define IEEE80211_MGMT_HDR_LEN 24 351 #define IEEE80211_DATA_HDR3_LEN 24 352 #define IEEE80211_DATA_HDR4_LEN 30 353 354 #define IEEE80211_CCK_MODULATION BIT(0) 355 #define IEEE80211_OFDM_MODULATION BIT(1) 356 357 #define IEEE80211_24GHZ_BAND BIT(0) 358 #define IEEE80211_52GHZ_BAND BIT(1) 359 360 #define IEEE80211_CCK_RATE_LEN 4 361 #define IEEE80211_NUM_OFDM_RATESLEN 8 362 363 364 #define IEEE80211_CCK_RATE_1MB 0x02 365 #define IEEE80211_CCK_RATE_2MB 0x04 366 #define IEEE80211_CCK_RATE_5MB 0x0B 367 #define IEEE80211_CCK_RATE_11MB 0x16 368 #define IEEE80211_OFDM_RATE_LEN 8 369 #define IEEE80211_OFDM_RATE_6MB 0x0C 370 #define IEEE80211_OFDM_RATE_9MB 0x12 371 #define IEEE80211_OFDM_RATE_12MB 0x18 372 #define IEEE80211_OFDM_RATE_18MB 0x24 373 #define IEEE80211_OFDM_RATE_24MB 0x30 374 #define IEEE80211_OFDM_RATE_36MB 0x48 375 #define IEEE80211_OFDM_RATE_48MB 0x60 376 #define IEEE80211_OFDM_RATE_54MB 0x6C 377 #define IEEE80211_BASIC_RATE_MASK 0x80 378 379 #define IEEE80211_CCK_RATE_1MB_MASK BIT(0) 380 #define IEEE80211_CCK_RATE_2MB_MASK BIT(1) 381 #define IEEE80211_CCK_RATE_5MB_MASK BIT(2) 382 #define IEEE80211_CCK_RATE_11MB_MASK BIT(3) 383 #define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) 384 #define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) 385 #define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) 386 #define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) 387 #define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) 388 #define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) 389 #define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) 390 #define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) 391 392 #define IEEE80211_CCK_RATES_MASK 0x0000000F 393 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ 394 IEEE80211_CCK_RATE_2MB_MASK) 395 #define IEEE80211_CCK_DEFAULT_RATES_MASK \ 396 (IEEE80211_CCK_BASIC_RATES_MASK | \ 397 IEEE80211_CCK_RATE_5MB_MASK | \ 398 IEEE80211_CCK_RATE_11MB_MASK) 399 400 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 401 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ 402 IEEE80211_OFDM_RATE_12MB_MASK | \ 403 IEEE80211_OFDM_RATE_24MB_MASK) 404 #define IEEE80211_OFDM_DEFAULT_RATES_MASK \ 405 (IEEE80211_OFDM_BASIC_RATES_MASK | \ 406 IEEE80211_OFDM_RATE_9MB_MASK | \ 407 IEEE80211_OFDM_RATE_18MB_MASK | \ 408 IEEE80211_OFDM_RATE_36MB_MASK | \ 409 IEEE80211_OFDM_RATE_48MB_MASK | \ 410 IEEE80211_OFDM_RATE_54MB_MASK) 411 412 #define IEEE80211_NUM_OFDM_RATES 8 413 #define IEEE80211_NUM_CCK_RATES 4 414 #define IEEE80211_OFDM_SHIFT_MASK_A 4 415 416 /* IEEE 802.11 requires that STA supports concurrent reception of at least 417 * three fragmented frames. This define can be increased to support more 418 * concurrent frames, but it should be noted that each entry can consume about 419 * 2 kB of RAM and increasing cache size will slow down frame reassembly. 420 */ 421 #define IEEE80211_FRAG_CACHE_LEN 4 422 423 #define SEC_KEY_1 BIT(0) 424 #define SEC_KEY_2 BIT(1) 425 #define SEC_KEY_3 BIT(2) 426 #define SEC_KEY_4 BIT(3) 427 #define SEC_ACTIVE_KEY BIT(4) 428 #define SEC_AUTH_MODE BIT(5) 429 #define SEC_UNICAST_GROUP BIT(6) 430 #define SEC_LEVEL BIT(7) 431 #define SEC_ENABLED BIT(8) 432 433 #define SEC_LEVEL_0 0 /* None */ 434 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 435 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 436 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 437 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 438 439 #define WEP_KEYS 4 440 #define WEP_KEY_LEN 13 441 442 /* SWEEP TABLE ENTRIES NUMBER*/ 443 #define MAX_SWEEP_TAB_ENTRIES 42 444 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 445 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 446 * only use 8, and then use extended rates for the remaining supported 447 * rates. Other APs, however, stick all of their supported rates on the 448 * main rates information element... 449 */ 450 #define MAX_RATES_LENGTH ((u8)12) 451 #define MAX_RATES_EX_LENGTH ((u8)16) 452 #define MAX_NETWORK_COUNT 128 453 #define MAX_CHANNEL_NUMBER 161 454 #define IEEE80211_SOFTMAC_SCAN_TIME 400 455 /* HZ / 2) */ 456 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 457 458 #define CRC_LENGTH 4U 459 460 #define MAX_WPA_IE_LEN (256) 461 #define MAX_WPS_IE_LEN (512) 462 #define MAX_P2P_IE_LEN (256) 463 #define MAX_WFD_IE_LEN (128) 464 465 #define NETWORK_EMPTY_ESSID BIT(0) 466 #define NETWORK_HAS_OFDM BIT(1) 467 #define NETWORK_HAS_CCK BIT(2) 468 469 #define IW_ESSID_MAX_SIZE 32 470 /* 471 * join_res: 472 * -1: authentication fail 473 * -2: association fail 474 * > 0: TID 475 */ 476 477 enum ieee80211_state { 478 /* the card is not linked at all */ 479 IEEE80211_NOLINK = 0, 480 481 /* IEEE80211_ASSOCIATING* are for BSS client mode 482 * the driver shall not perform RX filtering unless 483 * the state is LINKED. 484 * The driver shall just check for the state LINKED and 485 * defaults to NOLINK for ALL the other states (including 486 * LINKED_SCANNING) 487 */ 488 489 /* the association procedure will start (wq scheduling)*/ 490 IEEE80211_ASSOCIATING, 491 IEEE80211_ASSOCIATING_RETRY, 492 493 /* the association procedure is sending AUTH request*/ 494 IEEE80211_ASSOCIATING_AUTHENTICATING, 495 496 /* the association procedure has successfully authentcated 497 * and is sending association request 498 */ 499 IEEE80211_ASSOCIATING_AUTHENTICATED, 500 501 /* the link is ok. the card associated to a BSS or linked 502 * to a ibss cell or acting as an AP and creating the bss 503 */ 504 IEEE80211_LINKED, 505 506 /* same as LINKED, but the driver shall apply RX filter 507 * rules as we are in NO_LINK mode. As the card is still 508 * logically linked, but it is doing a syncro site survey 509 * then it will be back to LINKED state. 510 */ 511 IEEE80211_LINKED_SCANNING, 512 513 }; 514 515 #define DEFAULT_MAX_SCAN_AGE (15 * HZ) 516 #define DEFAULT_FTS 2346 517 518 #define CFG_IEEE80211_RESERVE_FCS BIT(0) 519 #define CFG_IEEE80211_COMPUTE_FCS BIT(1) 520 521 #define MAXTID 16 522 523 #define IEEE_A BIT(0) 524 #define IEEE_B BIT(1) 525 #define IEEE_G BIT(2) 526 #define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) 527 528 /* Action category code */ 529 enum rtw_ieee80211_category { 530 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0, 531 RTW_WLAN_CATEGORY_QOS = 1, 532 RTW_WLAN_CATEGORY_DLS = 2, 533 RTW_WLAN_CATEGORY_BACK = 3, 534 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */ 535 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 536 RTW_WLAN_CATEGORY_FT = 6, 537 RTW_WLAN_CATEGORY_HT = 7, 538 RTW_WLAN_CATEGORY_SA_QUERY = 8, 539 RTW_WLAN_CATEGORY_TDLS = 12, 540 RTW_WLAN_CATEGORY_WMM = 17, 541 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */ 542 }; 543 544 /* SPECTRUM_MGMT action code */ 545 enum rtw_ieee80211_spectrum_mgmt_actioncode { 546 RTW_WLAN_ACTION_SPCT_MSR_REQ = 0, 547 RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1, 548 RTW_WLAN_ACTION_SPCT_TPC_REQ = 2, 549 RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3, 550 RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4, 551 RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5, 552 }; 553 554 enum _PUBLIC_ACTION { 555 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */ 556 ACT_PUBLIC_DSE_ENABLE = 1, 557 ACT_PUBLIC_DSE_DEENABLE = 2, 558 ACT_PUBLIC_DSE_REG_LOCATION = 3, 559 ACT_PUBLIC_EXT_CHL_SWITCH = 4, 560 ACT_PUBLIC_DSE_MSR_REQ = 5, 561 ACT_PUBLIC_DSE_MSR_RPRT = 6, 562 ACT_PUBLIC_MP = 7, /* Measurement Pilot */ 563 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8, 564 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */ 565 ACT_PUBLIC_GAS_INITIAL_REQ = 10, 566 ACT_PUBLIC_GAS_INITIAL_RSP = 11, 567 ACT_PUBLIC_GAS_COMEBACK_REQ = 12, 568 ACT_PUBLIC_GAS_COMEBACK_RSP = 13, 569 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14, 570 ACT_PUBLIC_LOCATION_TRACK = 15, 571 ACT_PUBLIC_MAX 572 }; 573 574 /* BACK action code */ 575 enum rtw_ieee80211_back_actioncode { 576 RTW_WLAN_ACTION_ADDBA_REQ = 0, 577 RTW_WLAN_ACTION_ADDBA_RESP = 1, 578 RTW_WLAN_ACTION_DELBA = 2, 579 }; 580 581 /* HT features action code */ 582 enum rtw_ieee80211_ht_actioncode { 583 RTW_WLAN_ACTION_NOTIFY_CH_WIDTH = 0, 584 RTW_WLAN_ACTION_SM_PS = 1, 585 RTW_WLAN_ACTION_PSPM = 2, 586 RTW_WLAN_ACTION_PCO_PHASE = 3, 587 RTW_WLAN_ACTION_MIMO_CSI_MX = 4, 588 RTW_WLAN_ACTION_MIMO_NONCP_BF = 5, 589 RTW_WLAN_ACTION_MIMP_CP_BF = 6, 590 RTW_WLAN_ACTION_ASEL_INDICATES_FB = 7, 591 RTW_WLAN_ACTION_HI_INFO_EXCHG = 8, 592 }; 593 594 /* BACK (block-ack) parties */ 595 enum rtw_ieee80211_back_parties { 596 RTW_WLAN_BACK_RECIPIENT = 0, 597 RTW_WLAN_BACK_INITIATOR = 1, 598 RTW_WLAN_BACK_TIMER = 2, 599 }; 600 601 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs) 602 * 00:50:F2 603 */ 604 #define WME_OUI_TYPE 2 605 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0 606 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1 607 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2 608 #define WME_VERSION 1 609 610 #define WME_ACTION_CODE_SETUP_REQUEST 0 611 #define WME_ACTION_CODE_SETUP_RESPONSE 1 612 #define WME_ACTION_CODE_TEARDOWN 2 613 614 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0 615 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1 616 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3 617 618 #define WME_TSPEC_DIRECTION_UPLINK 0 619 #define WME_TSPEC_DIRECTION_DOWNLINK 1 620 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3 621 622 623 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */ 624 625 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */ 626 627 /** 628 * enum rtw_ieee80211_channel_flags - channel flags 629 * 630 * Channel flags set by the regulatory control code. 631 * 632 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled. 633 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted 634 * on this channel. 635 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. 636 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel. 637 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel 638 * is not permitted. 639 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel 640 * is not permitted. 641 */ 642 enum rtw_ieee80211_channel_flags { 643 RTW_IEEE80211_CHAN_DISABLED = BIT(0), 644 RTW_IEEE80211_CHAN_PASSIVE_SCAN = BIT(1), 645 RTW_IEEE80211_CHAN_NO_IBSS = BIT(2), 646 RTW_IEEE80211_CHAN_RADAR = BIT(3), 647 RTW_IEEE80211_CHAN_NO_HT40PLUS = BIT(4), 648 RTW_IEEE80211_CHAN_NO_HT40MINUS = BIT(5), 649 }; 650 651 #define RTW_IEEE80211_CHAN_NO_HT40 \ 652 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS) 653 654 /* Represent channel details, subset of ieee80211_channel */ 655 struct rtw_ieee80211_channel { 656 u16 hw_value; 657 u32 flags; 658 }; 659 660 #define CHAN_FMT \ 661 "hw_value:%u, " \ 662 "flags:0x%08x" \ 663 664 #define CHAN_ARG(channel) \ 665 (channel)->hw_value \ 666 , (channel)->flags \ 667 668 /* Parsed Information Elements */ 669 struct rtw_ieee802_11_elems { 670 u8 *ssid; 671 u8 ssid_len; 672 u8 *supp_rates; 673 u8 supp_rates_len; 674 u8 *fh_params; 675 u8 fh_params_len; 676 u8 *ds_params; 677 u8 ds_params_len; 678 u8 *cf_params; 679 u8 cf_params_len; 680 u8 *tim; 681 u8 tim_len; 682 u8 *ibss_params; 683 u8 ibss_params_len; 684 u8 *challenge; 685 u8 challenge_len; 686 u8 *erp_info; 687 u8 erp_info_len; 688 u8 *ext_supp_rates; 689 u8 ext_supp_rates_len; 690 u8 *wpa_ie; 691 u8 wpa_ie_len; 692 u8 *rsn_ie; 693 u8 rsn_ie_len; 694 u8 *wme; 695 u8 wme_len; 696 u8 *wme_tspec; 697 u8 wme_tspec_len; 698 u8 *wps_ie; 699 u8 wps_ie_len; 700 u8 *power_cap; 701 u8 power_cap_len; 702 u8 *supp_channels; 703 u8 supp_channels_len; 704 u8 *mdie; 705 u8 mdie_len; 706 u8 *ftie; 707 u8 ftie_len; 708 u8 *timeout_int; 709 u8 timeout_int_len; 710 u8 *ht_capabilities; 711 u8 ht_capabilities_len; 712 u8 *ht_operation; 713 u8 ht_operation_len; 714 u8 *vendor_ht_cap; 715 u8 vendor_ht_cap_len; 716 }; 717 718 enum parse_res { 719 ParseOK = 0, 720 ParseUnknown = 1, 721 ParseFailed = -1 722 }; 723 724 enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len, 725 struct rtw_ieee802_11_elems *elems, 726 int show_errors); 727 728 u8 *rtw_set_fixed_ie(void *pbuf, unsigned int len, 729 void *source, unsigned int *frlen); 730 u8 *rtw_set_ie(u8 *pbuf, int index, uint len, u8 *source, uint *frlen); 731 732 enum secondary_ch_offset { 733 SCN = 0, /* no secondary channel */ 734 SCA = 1, /* secondary channel above */ 735 SCB = 3, /* secondary channel below */ 736 }; 737 738 u8 *rtw_get_ie(u8 *pbuf, int index, uint *len, int limit); 739 740 void rtw_set_supported_rate(u8 *SupportedRates, uint mode); 741 742 unsigned char *rtw_get_wpa_ie(unsigned char *pie, uint *wpa_ie_len, int limit); 743 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, int limit); 744 int rtw_get_wpa_cipher_suite(u8 *s); 745 int rtw_get_wpa2_cipher_suite(u8 *s); 746 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len); 747 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 748 int *pairwise_cipher, int *is_8021x); 749 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 750 int *pairwise_cipher, int *is_8021x); 751 752 int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, 753 u8 *wpa_ie, u16 *wpa_len); 754 755 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen); 756 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); 757 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, 758 u8 *buf_attr, u32 *len_attr); 759 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, 760 u8 *buf_content, uint *len_content); 761 762 uint rtw_get_rateset_len(u8 *rateset); 763 764 struct registry_priv; 765 int rtw_generate_ie(struct registry_priv *pregistrypriv); 766 767 768 int rtw_get_bit_value_from_ieee_value(u8 val); 769 770 bool rtw_is_cckrates_included(u8 *rate); 771 772 bool rtw_is_cckratesonly_included(u8 *rate); 773 774 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel); 775 776 void rtw_get_bcn_info(struct wlan_network *pnetwork); 777 778 void rtw_macaddr_cfg(u8 *mac_addr); 779 780 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, 781 unsigned char *MCS_rate); 782 783 #endif /* IEEE80211_H */ 784