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 <linux/ieee80211.h> 11 12 #define MGMT_QUEUE_NUM 5 13 14 #define ETH_ALEN 6 15 #define ETH_TYPE_LEN 2 16 #define PAYLOAD_TYPE_LEN 1 17 18 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28) 19 20 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */ 21 enum { 22 RTL871X_HOSTAPD_FLUSH = 1, 23 RTL871X_HOSTAPD_ADD_STA = 2, 24 RTL871X_HOSTAPD_REMOVE_STA = 3, 25 RTL871X_HOSTAPD_GET_INFO_STA = 4, 26 /* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */ 27 RTL871X_HOSTAPD_GET_WPAIE_STA = 5, 28 RTL871X_SET_ENCRYPTION = 6, 29 RTL871X_GET_ENCRYPTION = 7, 30 RTL871X_HOSTAPD_SET_FLAGS_STA = 8, 31 RTL871X_HOSTAPD_GET_RID = 9, 32 RTL871X_HOSTAPD_SET_RID = 10, 33 RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11, 34 RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12, 35 RTL871X_HOSTAPD_MLME = 13, 36 RTL871X_HOSTAPD_SCAN_REQ = 14, 37 RTL871X_HOSTAPD_STA_CLEAR_STATS = 15, 38 RTL871X_HOSTAPD_SET_BEACON = 16, 39 RTL871X_HOSTAPD_SET_WPS_BEACON = 17, 40 RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18, 41 RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19, 42 RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20, 43 RTL871X_HOSTAPD_SET_MACADDR_ACL = 21, 44 RTL871X_HOSTAPD_ACL_ADD_STA = 22, 45 RTL871X_HOSTAPD_ACL_REMOVE_STA = 23, 46 }; 47 48 /* STA flags */ 49 #define WLAN_STA_AUTH BIT(0) 50 #define WLAN_STA_ASSOC BIT(1) 51 #define WLAN_STA_PS BIT(2) 52 #define WLAN_STA_TIM BIT(3) 53 #define WLAN_STA_PERM BIT(4) 54 #define WLAN_STA_AUTHORIZED BIT(5) 55 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */ 56 #define WLAN_STA_SHORT_PREAMBLE BIT(7) 57 #define WLAN_STA_PREAUTH BIT(8) 58 #define WLAN_STA_WME BIT(9) 59 #define WLAN_STA_MFP BIT(10) 60 #define WLAN_STA_HT BIT(11) 61 #define WLAN_STA_WPS BIT(12) 62 #define WLAN_STA_MAYBE_WPS BIT(13) 63 #define WLAN_STA_NONERP BIT(31) 64 65 #define IEEE_CMD_SET_WPA_PARAM 1 66 #define IEEE_CMD_SET_WPA_IE 2 67 #define IEEE_CMD_SET_ENCRYPTION 3 68 #define IEEE_CMD_MLME 4 69 70 #define IEEE_PARAM_WPA_ENABLED 1 71 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2 72 #define IEEE_PARAM_DROP_UNENCRYPTED 3 73 #define IEEE_PARAM_PRIVACY_INVOKED 4 74 #define IEEE_PARAM_AUTH_ALGS 5 75 #define IEEE_PARAM_IEEE_802_1X 6 76 #define IEEE_PARAM_WPAX_SELECT 7 77 78 #define IEEE_MLME_STA_DEAUTH 1 79 #define IEEE_MLME_STA_DISASSOC 2 80 81 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 82 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 83 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 84 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 85 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 86 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 87 88 89 #define IEEE_CRYPT_ALG_NAME_LEN 16 90 91 #define WPA_CIPHER_NONE BIT(0) 92 #define WPA_CIPHER_WEP40 BIT(1) 93 #define WPA_CIPHER_WEP104 BIT(2) 94 #define WPA_CIPHER_TKIP BIT(3) 95 #define WPA_CIPHER_CCMP BIT(4) 96 97 98 99 #define WPA_SELECTOR_LEN 4 100 extern u8 RTW_WPA_OUI_TYPE[]; 101 extern u16 RTW_WPA_VERSION; 102 extern u8 WPA_AUTH_KEY_MGMT_NONE[]; 103 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[]; 104 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[]; 105 extern u8 WPA_CIPHER_SUITE_NONE[]; 106 extern u8 WPA_CIPHER_SUITE_WEP40[]; 107 extern u8 WPA_CIPHER_SUITE_TKIP[]; 108 extern u8 WPA_CIPHER_SUITE_WRAP[]; 109 extern u8 WPA_CIPHER_SUITE_CCMP[]; 110 extern u8 WPA_CIPHER_SUITE_WEP104[]; 111 112 113 #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[]; 125 126 127 enum { 128 RATEID_IDX_BGN_40M_2SS = 0, 129 RATEID_IDX_BGN_40M_1SS = 1, 130 RATEID_IDX_BGN_20M_2SS_BN = 2, 131 RATEID_IDX_BGN_20M_1SS_BN = 3, 132 RATEID_IDX_GN_N2SS = 4, 133 RATEID_IDX_GN_N1SS = 5, 134 RATEID_IDX_BG = 6, 135 RATEID_IDX_G = 7, 136 RATEID_IDX_B = 8, 137 }; 138 139 enum network_type { 140 WIRELESS_INVALID = 0, 141 /* Sub-Element */ 142 WIRELESS_11B = BIT(0), /* tx: cck only , rx: cck only, hw: cck */ 143 WIRELESS_11G = BIT(1), /* tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */ 144 WIRELESS_11_24N = BIT(3), /* tx: MCS only, rx: MCS & cck, hw: MCS & cck */ 145 WIRELESS_AUTO = BIT(5), 146 147 /* Combination */ 148 /* Type for current wireless mode */ 149 WIRELESS_11BG = (WIRELESS_11B|WIRELESS_11G), /* tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */ 150 WIRELESS_11G_24N = (WIRELESS_11G|WIRELESS_11_24N), /* tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */ 151 WIRELESS_11B_24N = (WIRELESS_11B|WIRELESS_11_24N), /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */ 152 WIRELESS_11BG_24N = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N), /* tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */ 153 }; 154 155 #define SUPPORTED_24G_NETTYPE_MSK (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N) 156 157 #define is_legacy_only(net_type) ((net_type) == ((net_type) & (WIRELESS_11BG))) 158 159 #define is_supported_24g(net_type) ((net_type) & SUPPORTED_24G_NETTYPE_MSK ? true : false) 160 161 #define is_supported_tx_cck(net_type) (((net_type) & (WIRELESS_11B)) ? true : false) 162 #define is_supported_ht(net_type) (((net_type) & (WIRELESS_11_24N)) ? true : false) 163 164 struct ieee_param { 165 u32 cmd; 166 u8 sta_addr[ETH_ALEN]; 167 union { 168 struct { 169 u8 name; 170 u32 value; 171 } wpa_param; 172 struct { 173 u32 len; 174 u8 reserved[32]; 175 u8 data[]; 176 } wpa_ie; 177 struct{ 178 int command; 179 int reason_code; 180 } mlme; 181 struct { 182 u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; 183 u8 set_tx; 184 u32 err; 185 u8 idx; 186 u8 seq[8]; /* sequence counter (set: RX, get: TX) */ 187 u16 key_len; 188 u8 key[]; 189 } crypt; 190 struct { 191 u16 aid; 192 u16 capability; 193 int flags; 194 u8 tx_supp_rates[16]; 195 struct ieee80211_ht_cap ht_cap; 196 } add_sta; 197 struct { 198 u8 reserved[2];/* for set max_num_sta */ 199 u8 buf[]; 200 } bcn_ie; 201 } u; 202 }; 203 204 struct ieee_param_ex { 205 u32 cmd; 206 u8 sta_addr[ETH_ALEN]; 207 u8 data[]; 208 }; 209 210 struct sta_data { 211 u16 aid; 212 u16 capability; 213 int flags; 214 u32 sta_set; 215 u8 tx_supp_rates[16]; 216 u32 tx_supp_rates_len; 217 struct ieee80211_ht_cap ht_cap; 218 u64 rx_pkts; 219 u64 rx_bytes; 220 u64 rx_drops; 221 u64 tx_pkts; 222 u64 tx_bytes; 223 u64 tx_drops; 224 }; 225 226 /* this is stolen from ipw2200 driver */ 227 #define IEEE_IBSS_MAC_HASH_SIZE 31 228 229 struct eapol { 230 u8 snap[6]; 231 u16 ethertype; 232 u8 version; 233 u8 type; 234 u16 length; 235 } __attribute__ ((packed)); 236 237 #define IEEE80211_FCS_LEN 4 238 239 #define MIN_FRAG_THRESHOLD 256U 240 #define MAX_FRAG_THRESHOLD 2346U 241 242 /* sequence control field */ 243 #define RTW_IEEE80211_SCTL_FRAG 0x000F 244 #define RTW_IEEE80211_SCTL_SEQ 0xFFF0 245 246 247 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0) 248 #define RTW_ERP_INFO_USE_PROTECTION BIT(1) 249 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2) 250 251 /* QoS, QOS */ 252 #define NORMAL_ACK 0 253 #define NO_ACK 1 254 #define NON_EXPLICIT_ACK 2 255 #define BLOCK_ACK 3 256 257 #ifndef ETH_P_PAE 258 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 259 #endif /* ETH_P_PAE */ 260 261 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ 262 263 #define ETH_P_ECONET 0x0018 264 265 #ifndef ETH_P_80211_RAW 266 #define ETH_P_80211_RAW (ETH_P_ECONET + 1) 267 #endif 268 269 /* IEEE 802.11 defines */ 270 271 #define P80211_OUI_LEN 3 272 273 struct ieee80211_snap_hdr { 274 u8 dsap; /* always 0xAA */ 275 u8 ssap; /* always 0xAA */ 276 u8 ctrl; /* always 0x03 */ 277 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 278 } __attribute__ ((packed)); 279 280 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) 281 282 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) 283 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) 284 285 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) 286 287 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG) 288 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & RTW_IEEE80211_SCTL_SEQ) 289 290 /* Reason codes */ 291 #define WLAN_REASON_ACTIVE_ROAM 65533 292 #define WLAN_REASON_JOIN_WRONG_CHANNEL 65534 293 #define WLAN_REASON_EXPIRATION_CHK 65535 294 295 #define IEEE80211_MGMT_HDR_LEN 24 296 #define IEEE80211_DATA_HDR3_LEN 24 297 #define IEEE80211_DATA_HDR4_LEN 30 298 299 300 #define IEEE80211_STATMASK_SIGNAL (1<<0) 301 #define IEEE80211_STATMASK_RSSI (1<<1) 302 #define IEEE80211_STATMASK_NOISE (1<<2) 303 #define IEEE80211_STATMASK_RATE (1<<3) 304 #define IEEE80211_STATMASK_WEMASK 0x7 305 306 307 #define IEEE80211_CCK_MODULATION (1<<0) 308 #define IEEE80211_OFDM_MODULATION (1<<1) 309 310 #define IEEE80211_24GHZ_BAND (1<<0) 311 #define IEEE80211_52GHZ_BAND (1<<1) 312 313 #define IEEE80211_CCK_RATE_LEN 4 314 #define IEEE80211_NUM_OFDM_RATESLEN 8 315 316 317 #define IEEE80211_CCK_RATE_1MB 0x02 318 #define IEEE80211_CCK_RATE_2MB 0x04 319 #define IEEE80211_CCK_RATE_5MB 0x0B 320 #define IEEE80211_CCK_RATE_11MB 0x16 321 #define IEEE80211_OFDM_RATE_LEN 8 322 #define IEEE80211_OFDM_RATE_6MB 0x0C 323 #define IEEE80211_OFDM_RATE_9MB 0x12 324 #define IEEE80211_OFDM_RATE_12MB 0x18 325 #define IEEE80211_OFDM_RATE_18MB 0x24 326 #define IEEE80211_OFDM_RATE_24MB 0x30 327 #define IEEE80211_OFDM_RATE_36MB 0x48 328 #define IEEE80211_OFDM_RATE_48MB 0x60 329 #define IEEE80211_OFDM_RATE_54MB 0x6C 330 #define IEEE80211_BASIC_RATE_MASK 0x80 331 332 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0) 333 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1) 334 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2) 335 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3) 336 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) 337 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) 338 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) 339 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) 340 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) 341 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) 342 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) 343 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) 344 345 #define IEEE80211_CCK_RATES_MASK 0x0000000F 346 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ 347 IEEE80211_CCK_RATE_2MB_MASK) 348 #define IEEE80211_CCK_DEFAULT_RATES_MASK \ 349 (IEEE80211_CCK_BASIC_RATES_MASK | \ 350 IEEE80211_CCK_RATE_5MB_MASK | \ 351 IEEE80211_CCK_RATE_11MB_MASK) 352 353 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 354 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ 355 IEEE80211_OFDM_RATE_12MB_MASK | \ 356 IEEE80211_OFDM_RATE_24MB_MASK) 357 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ 358 IEEE80211_OFDM_RATE_9MB_MASK | \ 359 IEEE80211_OFDM_RATE_18MB_MASK | \ 360 IEEE80211_OFDM_RATE_36MB_MASK | \ 361 IEEE80211_OFDM_RATE_48MB_MASK | \ 362 IEEE80211_OFDM_RATE_54MB_MASK) 363 #define IEEE80211_DEFAULT_RATES_MASK \ 364 (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ 365 IEEE80211_CCK_DEFAULT_RATES_MASK) 366 367 #define IEEE80211_NUM_OFDM_RATES 8 368 #define IEEE80211_NUM_CCK_RATES 4 369 #define IEEE80211_OFDM_SHIFT_MASK_A 4 370 371 372 enum { 373 MGN_1M = 0x02, 374 MGN_2M = 0x04, 375 MGN_5_5M = 0x0B, 376 MGN_6M = 0x0C, 377 MGN_9M = 0x12, 378 MGN_11M = 0x16, 379 MGN_12M = 0x18, 380 MGN_18M = 0x24, 381 MGN_24M = 0x30, 382 MGN_36M = 0x48, 383 MGN_48M = 0x60, 384 MGN_54M = 0x6C, 385 MGN_MCS32 = 0x7F, 386 MGN_MCS0, 387 MGN_MCS1, 388 MGN_MCS2, 389 MGN_MCS3, 390 MGN_MCS4, 391 MGN_MCS5, 392 MGN_MCS6, 393 MGN_MCS7, 394 MGN_UNKNOWN 395 }; 396 397 #define IS_HT_RATE(_rate) (_rate >= MGN_MCS0 && _rate <= MGN_MCS31) 398 #define IS_CCK_RATE(_rate) (MGN_1M == _rate || _rate == MGN_2M || _rate == MGN_5_5M || _rate == MGN_11M) 399 #define IS_OFDM_RATE(_rate) (MGN_6M <= _rate && _rate <= MGN_54M && _rate != MGN_11M) 400 401 402 /* NOTE: This data is for statistical purposes; not all hardware provides this 403 * information for frames received. Not setting these will not cause 404 * any adverse affects. */ 405 406 /* IEEE 802.11 requires that STA supports concurrent reception of at least 407 * three fragmented frames. This define can be increased to support more 408 * concurrent frames, but it should be noted that each entry can consume about 409 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ 410 #define IEEE80211_FRAG_CACHE_LEN 4 411 412 #define SEC_KEY_1 (1<<0) 413 #define SEC_KEY_2 (1<<1) 414 #define SEC_KEY_3 (1<<2) 415 #define SEC_KEY_4 (1<<3) 416 #define SEC_ACTIVE_KEY (1<<4) 417 #define SEC_AUTH_MODE (1<<5) 418 #define SEC_UNICAST_GROUP (1<<6) 419 #define SEC_LEVEL (1<<7) 420 #define SEC_ENABLED (1<<8) 421 422 #define SEC_LEVEL_0 0 /* None */ 423 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 424 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 425 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 426 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 427 428 #define WEP_KEYS 4 429 #define WEP_KEY_LEN 13 430 431 #define BIP_MAX_KEYID 5 432 #define BIP_AAD_SIZE 20 433 434 /* 435 436 802.11 data frame from AP 437 438 ,-------------------------------------------------------------------. 439 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | 440 |------|------|---------|---------|---------|------|---------|------| 441 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | 442 | | tion | (BSSID) | | | ence | data | | 443 `-------------------------------------------------------------------' 444 445 Total: 28-2340 bytes 446 447 */ 448 449 #define BEACON_PROBE_SSID_ID_POSITION 12 450 451 /* Management Frame Information Element Types */ 452 #define MFIE_TYPE_SSID 0 453 #define MFIE_TYPE_RATES 1 454 #define MFIE_TYPE_FH_SET 2 455 #define MFIE_TYPE_DS_SET 3 456 #define MFIE_TYPE_CF_SET 4 457 #define MFIE_TYPE_TIM 5 458 #define MFIE_TYPE_IBSS_SET 6 459 #define MFIE_TYPE_CHALLENGE 16 460 #define MFIE_TYPE_ERP 42 461 #define MFIE_TYPE_RSN 48 462 #define MFIE_TYPE_RATES_EX 50 463 #define MFIE_TYPE_GENERIC 221 464 465 /* SWEEP TABLE ENTRIES NUMBER*/ 466 #define MAX_SWEEP_TAB_ENTRIES 42 467 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 468 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 469 * only use 8, and then use extended rates for the remaining supported 470 * rates. Other APs, however, stick all of their supported rates on the 471 * main rates information element... */ 472 #define MAX_RATES_LENGTH ((u8)12) 473 #define MAX_RATES_EX_LENGTH ((u8)16) 474 #define MAX_NETWORK_COUNT 128 475 #define MAX_CHANNEL_NUMBER 161 476 #define IEEE80211_SOFTMAC_SCAN_TIME 400 477 /* HZ / 2) */ 478 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 479 480 #define CRC_LENGTH 4U 481 482 #define MAX_WPA_IE_LEN (256) 483 #define MAX_WPS_IE_LEN (512) 484 #define MAX_P2P_IE_LEN (256) 485 #define MAX_WFD_IE_LEN (128) 486 487 #define NETWORK_EMPTY_ESSID (1<<0) 488 #define NETWORK_HAS_OFDM (1<<1) 489 #define NETWORK_HAS_CCK (1<<2) 490 491 #define IEEE80211_DTIM_MBCAST 4 492 #define IEEE80211_DTIM_UCAST 2 493 #define IEEE80211_DTIM_VALID 1 494 #define IEEE80211_DTIM_INVALID 0 495 496 #define IEEE80211_PS_DISABLED 0 497 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST 498 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST 499 #define IW_ESSID_MAX_SIZE 32 500 /* 501 join_res: 502 -1: authentication fail 503 -2: association fail 504 > 0: TID 505 */ 506 507 #define DEFAULT_MAX_SCAN_AGE (15 * HZ) 508 #define DEFAULT_FTS 2346 509 #define MAC_ARG(x) (x) 510 #define IP_ARG(x) (x) 511 512 static inline int is_multicast_mac_addr(const u8 *addr) 513 { 514 return ((addr[0] != 0xff) && (0x01 & addr[0])); 515 } 516 517 static inline int is_broadcast_mac_addr(const u8 *addr) 518 { 519 return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) && \ 520 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff)); 521 } 522 523 static inline int is_zero_mac_addr(const u8 *addr) 524 { 525 return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && \ 526 (addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00)); 527 } 528 529 #define CFG_IEEE80211_RESERVE_FCS (1<<0) 530 #define CFG_IEEE80211_COMPUTE_FCS (1<<1) 531 532 #define MAXTID 16 533 534 #define IEEE_A (1<<0) 535 #define IEEE_B (1<<1) 536 #define IEEE_G (1<<2) 537 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) 538 539 /* Action category code */ 540 enum { 541 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0, 542 RTW_WLAN_CATEGORY_QOS = 1, 543 RTW_WLAN_CATEGORY_DLS = 2, 544 RTW_WLAN_CATEGORY_BACK = 3, 545 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */ 546 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 547 RTW_WLAN_CATEGORY_FT = 6, 548 RTW_WLAN_CATEGORY_HT = 7, 549 RTW_WLAN_CATEGORY_SA_QUERY = 8, 550 RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /* add for CONFIG_IEEE80211W, none 11w also can use */ 551 RTW_WLAN_CATEGORY_TDLS = 12, 552 RTW_WLAN_CATEGORY_SELF_PROTECTED = 15, /* add for CONFIG_IEEE80211W, none 11w also can use */ 553 RTW_WLAN_CATEGORY_WMM = 17, 554 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */ 555 }; 556 557 enum { 558 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */ 559 ACT_PUBLIC_DSE_ENABLE = 1, 560 ACT_PUBLIC_DSE_DEENABLE = 2, 561 ACT_PUBLIC_DSE_REG_LOCATION = 3, 562 ACT_PUBLIC_EXT_CHL_SWITCH = 4, 563 ACT_PUBLIC_DSE_MSR_REQ = 5, 564 ACT_PUBLIC_DSE_MSR_RPRT = 6, 565 ACT_PUBLIC_MP = 7, /* Measurement Pilot */ 566 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8, 567 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */ 568 ACT_PUBLIC_GAS_INITIAL_REQ = 10, 569 ACT_PUBLIC_GAS_INITIAL_RSP = 11, 570 ACT_PUBLIC_GAS_COMEBACK_REQ = 12, 571 ACT_PUBLIC_GAS_COMEBACK_RSP = 13, 572 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14, 573 ACT_PUBLIC_LOCATION_TRACK = 15, 574 ACT_PUBLIC_MAX 575 }; 576 577 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs) 578 * 00:50:F2 */ 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 3 596 597 598 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */ 599 600 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */ 601 602 /** 603 * enum rtw_ieee80211_channel_flags - channel flags 604 * 605 * Channel flags set by the regulatory control code. 606 * 607 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled. 608 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted 609 * on this channel. 610 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. 611 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel. 612 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel 613 * is not permitted. 614 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel 615 * is not permitted. 616 */ 617 enum rtw_ieee80211_channel_flags { 618 RTW_IEEE80211_CHAN_DISABLED = 1<<0, 619 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, 620 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2, 621 RTW_IEEE80211_CHAN_RADAR = 1<<3, 622 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4, 623 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5, 624 }; 625 626 #define RTW_IEEE80211_CHAN_NO_HT40 \ 627 (RTW_IEEE80211_CHAN_NO_HT40PLUS | \ 628 RTW_IEEE80211_CHAN_NO_HT40MINUS) 629 630 /* Represent channel details, subset of ieee80211_channel */ 631 struct rtw_ieee80211_channel { 632 /* enum nl80211_band band; */ 633 /* u16 center_freq; */ 634 u16 hw_value; 635 u32 flags; 636 /* int max_antenna_gain; */ 637 /* int max_power; */ 638 /* int max_reg_power; */ 639 /* bool beacon_found; */ 640 /* u32 orig_flags; */ 641 /* int orig_mag; */ 642 /* int orig_mpwr; */ 643 }; 644 645 #define CHAN_FMT \ 646 /*"band:%d, "*/ \ 647 /*"center_freq:%u, "*/ \ 648 "hw_value:%u, " \ 649 "flags:0x%08x" \ 650 /*"max_antenna_gain:%d\n"*/ \ 651 /*"max_power:%d\n"*/ \ 652 /*"max_reg_power:%d\n"*/ \ 653 /*"beacon_found:%u\n"*/ \ 654 /*"orig_flags:0x%08x\n"*/ \ 655 /*"orig_mag:%d\n"*/ \ 656 /*"orig_mpwr:%d\n"*/ 657 658 #define CHAN_ARG(channel) \ 659 /*(channel)->band*/ \ 660 /*, (channel)->center_freq*/ \ 661 (channel)->hw_value \ 662 , (channel)->flags \ 663 /*, (channel)->max_antenna_gain*/ \ 664 /*, (channel)->max_power*/ \ 665 /*, (channel)->max_reg_power*/ \ 666 /*, (channel)->beacon_found*/ \ 667 /*, (channel)->orig_flags*/ \ 668 /*, (channel)->orig_mag*/ \ 669 /*, (channel)->orig_mpwr*/ \ 670 671 /* Parsed Information Elements */ 672 struct rtw_ieee802_11_elems { 673 u8 *ssid; 674 u8 ssid_len; 675 u8 *supp_rates; 676 u8 supp_rates_len; 677 u8 *fh_params; 678 u8 fh_params_len; 679 u8 *ds_params; 680 u8 ds_params_len; 681 u8 *cf_params; 682 u8 cf_params_len; 683 u8 *tim; 684 u8 tim_len; 685 u8 *ibss_params; 686 u8 ibss_params_len; 687 u8 *challenge; 688 u8 challenge_len; 689 u8 *erp_info; 690 u8 erp_info_len; 691 u8 *ext_supp_rates; 692 u8 ext_supp_rates_len; 693 u8 *wpa_ie; 694 u8 wpa_ie_len; 695 u8 *rsn_ie; 696 u8 rsn_ie_len; 697 u8 *wme; 698 u8 wme_len; 699 u8 *wme_tspec; 700 u8 wme_tspec_len; 701 u8 *wps_ie; 702 u8 wps_ie_len; 703 u8 *power_cap; 704 u8 power_cap_len; 705 u8 *supp_channels; 706 u8 supp_channels_len; 707 u8 *mdie; 708 u8 mdie_len; 709 u8 *ftie; 710 u8 ftie_len; 711 u8 *timeout_int; 712 u8 timeout_int_len; 713 u8 *ht_capabilities; 714 u8 ht_capabilities_len; 715 u8 *ht_operation; 716 u8 ht_operation_len; 717 u8 *vendor_ht_cap; 718 u8 vendor_ht_cap_len; 719 u8 *vht_capabilities; 720 u8 vht_capabilities_len; 721 u8 *vht_operation; 722 u8 vht_operation_len; 723 u8 *vht_op_mode_notify; 724 u8 vht_op_mode_notify_len; 725 }; 726 727 enum ParseRes { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 }; 728 729 enum ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len, 730 struct rtw_ieee802_11_elems *elems, 731 int show_errors); 732 733 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen); 734 u8 *rtw_set_ie(u8 *pbuf, signed int index, uint len, u8 *source, uint *frlen); 735 736 u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit); 737 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen); 738 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len); 739 740 void rtw_set_supported_rate(u8 *SupportedRates, uint mode); 741 742 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit); 743 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *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, int *pairwise_cipher, int *is_8021x); 748 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x); 749 750 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len); 751 752 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); 753 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr); 754 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content); 755 756 /** 757 * for_each_ie - iterate over continuous IEs 758 * @ie: 759 * @buf: 760 * @buf_len: 761 */ 762 #define for_each_ie(ie, buf, buf_len) \ 763 for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \ 764 ie = (void *)(((u8 *)ie) + *(((u8 *)ie) + 1) + 2)) 765 766 uint rtw_get_rateset_len(u8 *rateset); 767 768 struct registry_priv; 769 int rtw_generate_ie(struct registry_priv *pregistrypriv); 770 771 772 int rtw_get_bit_value_from_ieee_value(u8 val); 773 774 bool rtw_is_cckrates_included(u8 *rate); 775 776 bool rtw_is_cckratesonly_included(u8 *rate); 777 778 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel); 779 780 void rtw_get_bcn_info(struct wlan_network *pnetwork); 781 782 void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr); 783 784 u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate); 785 786 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action); 787 const char *action_public_str(u8 action); 788 789 #endif /* IEEE80211_H */ 790