1 /****************************************************************************** 2 * 3 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, see <http://www.gnu.org/licenses/>. 16 * 17 * Modifications for inclusion into the Linux staging tree are 18 * Copyright(c) 2010 Larry Finger. All rights reserved. 19 * 20 * Contact information: 21 * WLAN FAE <wlanfae@realtek.com> 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 ******************************************************************************/ 25 #ifndef __IEEE80211_H 26 #define __IEEE80211_H 27 28 #include "osdep_service.h" 29 #include "drv_types.h" 30 #include "wifi.h" 31 #include <linux/compiler.h> 32 #include <linux/wireless.h> 33 34 #define MGMT_QUEUE_NUM 5 35 #define ETH_ALEN 6 36 #define IEEE_CMD_SET_WPA_PARAM 1 37 #define IEEE_CMD_SET_WPA_IE 2 38 #define IEEE_CMD_SET_ENCRYPTION 3 39 #define IEEE_CMD_MLME 4 40 41 #define IEEE_PARAM_WPA_ENABLED 1 42 #define IEEE_PARAM_TKIP_COUNTERMEASURES 2 43 #define IEEE_PARAM_DROP_UNENCRYPTED 3 44 #define IEEE_PARAM_PRIVACY_INVOKED 4 45 #define IEEE_PARAM_AUTH_ALGS 5 46 #define IEEE_PARAM_IEEE_802_1X 6 47 #define IEEE_PARAM_WPAX_SELECT 7 48 49 #define AUTH_ALG_OPEN_SYSTEM 0x1 50 #define AUTH_ALG_SHARED_KEY 0x2 51 #define AUTH_ALG_LEAP 0x00000004 52 53 #define IEEE_MLME_STA_DEAUTH 1 54 #define IEEE_MLME_STA_DISASSOC 2 55 56 #define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 57 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 58 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 59 #define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 60 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 61 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 62 63 #define IEEE_CRYPT_ALG_NAME_LEN 16 64 65 #define WPA_CIPHER_NONE BIT(0) 66 #define WPA_CIPHER_WEP40 BIT(1) 67 #define WPA_CIPHER_WEP104 BIT(2) 68 #define WPA_CIPHER_TKIP BIT(3) 69 #define WPA_CIPHER_CCMP BIT(4) 70 71 #define WPA_SELECTOR_LEN 4 72 #define RSN_HEADER_LEN 4 73 74 #define RSN_SELECTOR_LEN 4 75 76 enum NETWORK_TYPE { 77 WIRELESS_INVALID = 0, 78 WIRELESS_11B = 1, 79 WIRELESS_11G = 2, 80 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), 81 WIRELESS_11A = 4, 82 WIRELESS_11N = 8, 83 WIRELESS_11GN = (WIRELESS_11G | WIRELESS_11N), 84 WIRELESS_11BGN = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N), 85 }; 86 87 struct ieee_param { 88 u32 cmd; 89 u8 sta_addr[ETH_ALEN]; 90 union { 91 struct { 92 u8 name; 93 u32 value; 94 } wpa_param; 95 struct { 96 u32 len; 97 u8 reserved[32]; 98 u8 data[0]; 99 } wpa_ie; 100 struct { 101 int command; 102 int reason_code; 103 } mlme; 104 struct { 105 u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; 106 u8 set_tx; 107 u32 err; 108 u8 idx; 109 u8 seq[8]; /* sequence counter (set: RX, get: TX) */ 110 u16 key_len; 111 u8 key[0]; 112 } crypt; 113 } u; 114 }; 115 116 #define IEEE80211_DATA_LEN 2304 117 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 118 * 6.2.1.1.2. 119 * 120 * The figure in section 7.1.2 suggests a body size of up to 2312 121 * bytes is allowed, which is a bit confusing, I suspect this 122 * represents the 2304 bytes of real data, plus a possible 8 bytes of 123 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) 124 */ 125 126 #define IEEE80211_HLEN 30 127 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 128 129 /* this is stolen from ipw2200 driver */ 130 #define IEEE_IBSS_MAC_HASH_SIZE 31 131 132 struct ieee_ibss_seq { 133 u8 mac[ETH_ALEN]; 134 u16 seq_num; 135 u16 frag_num; 136 unsigned long packet_time; 137 struct list_head list; 138 }; 139 140 struct ieee80211_hdr { 141 __le16 frame_ctl; 142 __le16 duration_id; 143 u8 addr1[ETH_ALEN]; 144 u8 addr2[ETH_ALEN]; 145 u8 addr3[ETH_ALEN]; 146 __le16 seq_ctl; 147 u8 addr4[ETH_ALEN]; 148 } __packed __aligned(2); 149 150 struct ieee80211_hdr_3addr { 151 __le16 frame_ctl; 152 __le16 duration_id; 153 u8 addr1[ETH_ALEN]; 154 u8 addr2[ETH_ALEN]; 155 u8 addr3[ETH_ALEN]; 156 __le16 seq_ctl; 157 } __packed __aligned(2); 158 159 struct ieee80211_hdr_qos { 160 __le16 frame_ctl; 161 __le16 duration_id; 162 u8 addr1[ETH_ALEN]; 163 u8 addr2[ETH_ALEN]; 164 u8 addr3[ETH_ALEN]; 165 __le16 seq_ctl; 166 u8 addr4[ETH_ALEN]; 167 __le16 qc; 168 } __packed __aligned(2); 169 170 struct ieee80211_hdr_3addr_qos { 171 __le16 frame_ctl; 172 __le16 duration_id; 173 u8 addr1[ETH_ALEN]; 174 u8 addr2[ETH_ALEN]; 175 u8 addr3[ETH_ALEN]; 176 __le16 seq_ctl; 177 __le16 qc; 178 } __packed; 179 180 struct eapol { 181 u8 snap[6]; 182 __be16 ethertype; 183 u8 version; 184 u8 type; 185 __le16 length; 186 } __packed; 187 188 enum eap_type { 189 EAP_PACKET = 0, 190 EAPOL_START, 191 EAPOL_LOGOFF, 192 EAPOL_KEY, 193 EAPOL_ENCAP_ASF_ALERT 194 }; 195 196 #define IEEE80211_3ADDR_LEN 24 197 #define IEEE80211_4ADDR_LEN 30 198 #define IEEE80211_FCS_LEN 4 199 200 #define MIN_FRAG_THRESHOLD 256U 201 #define MAX_FRAG_THRESHOLD 2346U 202 203 /* Frame control field constants */ 204 #define IEEE80211_FCTL_VERS 0x0002 205 #define IEEE80211_FCTL_FTYPE 0x000c 206 #define IEEE80211_FCTL_STYPE 0x00f0 207 #define IEEE80211_FCTL_TODS 0x0100 208 #define IEEE80211_FCTL_FROMDS 0x0200 209 #define IEEE80211_FCTL_MOREFRAGS 0x0400 210 #define IEEE80211_FCTL_RETRY 0x0800 211 #define IEEE80211_FCTL_PM 0x1000 212 #define IEEE80211_FCTL_MOREDATA 0x2000 213 #define IEEE80211_FCTL_WEP 0x4000 214 #define IEEE80211_FCTL_ORDER 0x8000 215 216 #define IEEE80211_FTYPE_MGMT 0x0000 217 #define IEEE80211_FTYPE_CTL 0x0004 218 #define IEEE80211_FTYPE_DATA 0x0008 219 220 /* management */ 221 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 222 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 223 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 224 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 225 #define IEEE80211_STYPE_PROBE_REQ 0x0040 226 #define IEEE80211_STYPE_PROBE_RESP 0x0050 227 #define IEEE80211_STYPE_BEACON 0x0080 228 #define IEEE80211_STYPE_ATIM 0x0090 229 #define IEEE80211_STYPE_DISASSOC 0x00A0 230 #define IEEE80211_STYPE_AUTH 0x00B0 231 #define IEEE80211_STYPE_DEAUTH 0x00C0 232 233 /* control */ 234 #define IEEE80211_STYPE_PSPOLL 0x00A0 235 #define IEEE80211_STYPE_RTS 0x00B0 236 #define IEEE80211_STYPE_CTS 0x00C0 237 #define IEEE80211_STYPE_ACK 0x00D0 238 #define IEEE80211_STYPE_CFEND 0x00E0 239 #define IEEE80211_STYPE_CFENDACK 0x00F0 240 241 /* data */ 242 #define IEEE80211_STYPE_DATA 0x0000 243 #define IEEE80211_STYPE_DATA_CFACK 0x0010 244 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 245 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 246 #define IEEE80211_STYPE_NULLFUNC 0x0040 247 #define IEEE80211_STYPE_CFACK 0x0050 248 #define IEEE80211_STYPE_CFPOLL 0x0060 249 #define IEEE80211_STYPE_CFACKPOLL 0x0070 250 #define IEEE80211_QOS_DATAGRP 0x0080 251 252 #define IEEE80211_SCTL_FRAG 0x000F 253 #define IEEE80211_SCTL_SEQ 0xFFF0 254 255 /* QoS,QOS */ 256 #define NORMAL_ACK 0 257 #define NO_ACK 1 258 #define NON_EXPLICIT_ACK 2 259 #define BLOCK_ACK 3 260 261 #ifndef ETH_P_PAE 262 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 263 #endif /* ETH_P_PAE */ 264 265 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ 266 267 #define ETH_P_ECONET 0x0018 268 269 #ifndef ETH_P_80211_RAW 270 #define ETH_P_80211_RAW (ETH_P_ECONET + 1) 271 #endif 272 273 /* IEEE 802.11 defines */ 274 275 #define P80211_OUI_LEN 3 276 277 struct ieee80211_snap_hdr { 278 u8 dsap; /* always 0xAA */ 279 u8 ssap; /* always 0xAA */ 280 u8 ctrl; /* always 0x03 */ 281 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 282 } __packed; 283 284 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) 285 286 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) 287 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) 288 289 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) 290 291 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) 292 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) 293 294 /* Authentication algorithms */ 295 #define WLAN_AUTH_OPEN 0 296 #define WLAN_AUTH_SHARED_KEY 1 297 298 #define WLAN_AUTH_CHALLENGE_LEN 128 299 300 #define WLAN_CAPABILITY_BSS BIT(0) 301 #define WLAN_CAPABILITY_IBSS BIT(1) 302 #define WLAN_CAPABILITY_CF_POLLABLE BIT(2) 303 #define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3) 304 #define WLAN_CAPABILITY_PRIVACY BIT(4) 305 #define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5) 306 #define WLAN_CAPABILITY_PBCC BIT(6) 307 #define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7) 308 #define WLAN_CAPABILITY_SHORT_SLOT BIT(10) 309 310 /* Information Element IDs */ 311 #define WLAN_EID_SSID 0 312 #define WLAN_EID_SUPP_RATES 1 313 #define WLAN_EID_FH_PARAMS 2 314 #define WLAN_EID_DS_PARAMS 3 315 #define WLAN_EID_CF_PARAMS 4 316 #define WLAN_EID_TIM 5 317 #define WLAN_EID_IBSS_PARAMS 6 318 #define WLAN_EID_CHALLENGE 16 319 #define WLAN_EID_RSN 48 320 #define WLAN_EID_GENERIC 221 321 322 #define IEEE80211_MGMT_HDR_LEN 24 323 #define IEEE80211_DATA_HDR3_LEN 24 324 #define IEEE80211_DATA_HDR4_LEN 30 325 326 #define IEEE80211_STATMASK_SIGNAL BIT(0) 327 #define IEEE80211_STATMASK_RSSI BIT(1) 328 #define IEEE80211_STATMASK_NOISE BIT(2) 329 #define IEEE80211_STATMASK_RATE BIT(3) 330 #define IEEE80211_STATMASK_WEMASK 0x7 331 332 #define IEEE80211_CCK_MODULATION BIT(0) 333 #define IEEE80211_OFDM_MODULATION BIT(1) 334 335 #define IEEE80211_24GHZ_BAND BIT(0) 336 #define IEEE80211_52GHZ_BAND BIT(1) 337 338 #define IEEE80211_CCK_RATE_LEN 4 339 #define IEEE80211_NUM_OFDM_RATESLEN 8 340 341 #define IEEE80211_CCK_RATE_1MB 0x02 342 #define IEEE80211_CCK_RATE_2MB 0x04 343 #define IEEE80211_CCK_RATE_5MB 0x0B 344 #define IEEE80211_CCK_RATE_11MB 0x16 345 #define IEEE80211_OFDM_RATE_LEN 8 346 #define IEEE80211_OFDM_RATE_6MB 0x0C 347 #define IEEE80211_OFDM_RATE_9MB 0x12 348 #define IEEE80211_OFDM_RATE_12MB 0x18 349 #define IEEE80211_OFDM_RATE_18MB 0x24 350 #define IEEE80211_OFDM_RATE_24MB 0x30 351 #define IEEE80211_OFDM_RATE_36MB 0x48 352 #define IEEE80211_OFDM_RATE_48MB 0x60 353 #define IEEE80211_OFDM_RATE_54MB 0x6C 354 #define IEEE80211_BASIC_RATE_MASK 0x80 355 356 #define IEEE80211_CCK_RATE_1MB_MASK BIT(0) 357 #define IEEE80211_CCK_RATE_2MB_MASK BIT(1) 358 #define IEEE80211_CCK_RATE_5MB_MASK BIT(2) 359 #define IEEE80211_CCK_RATE_11MB_MASK BIT(3) 360 #define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) 361 #define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) 362 #define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) 363 #define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) 364 #define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) 365 #define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) 366 #define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) 367 #define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) 368 369 #define IEEE80211_CCK_RATES_MASK 0x0000000F 370 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ 371 IEEE80211_CCK_RATE_2MB_MASK) 372 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ 373 IEEE80211_CCK_RATE_5MB_MASK | \ 374 IEEE80211_CCK_RATE_11MB_MASK) 375 376 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0 377 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ 378 IEEE80211_OFDM_RATE_12MB_MASK | \ 379 IEEE80211_OFDM_RATE_24MB_MASK) 380 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ 381 IEEE80211_OFDM_RATE_9MB_MASK | \ 382 IEEE80211_OFDM_RATE_18MB_MASK | \ 383 IEEE80211_OFDM_RATE_36MB_MASK | \ 384 IEEE80211_OFDM_RATE_48MB_MASK | \ 385 IEEE80211_OFDM_RATE_54MB_MASK) 386 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ 387 IEEE80211_CCK_DEFAULT_RATES_MASK) 388 389 #define IEEE80211_NUM_OFDM_RATES 8 390 #define IEEE80211_NUM_CCK_RATES 4 391 #define IEEE80211_OFDM_SHIFT_MASK_A 4 392 393 /* NOTE: This data is for statistical purposes; not all hardware provides this 394 * information for frames received. Not setting these will not cause 395 * any adverse affects. 396 */ 397 struct ieee80211_rx_stats { 398 s8 rssi; 399 u8 signal; 400 u8 noise; 401 u8 received_channel; 402 u16 rate; /* in 100 kbps */ 403 u8 mask; 404 u8 freq; 405 u16 len; 406 }; 407 408 /* IEEE 802.11 requires that STA supports concurrent reception of at least 409 * three fragmented frames. This define can be increased to support more 410 * concurrent frames, but it should be noted that each entry can consume about 411 * 2 kB of RAM and increasing cache size will slow down frame reassembly. 412 */ 413 #define IEEE80211_FRAG_CACHE_LEN 4 414 415 struct ieee80211_frag_entry { 416 u32 first_frag_time; 417 uint seq; 418 uint last_frag; 419 uint qos; /*jackson*/ 420 uint tid; /*jackson*/ 421 struct sk_buff *skb; 422 u8 src_addr[ETH_ALEN]; 423 u8 dst_addr[ETH_ALEN]; 424 }; 425 426 struct ieee80211_stats { 427 uint tx_unicast_frames; 428 uint tx_multicast_frames; 429 uint tx_fragments; 430 uint tx_unicast_octets; 431 uint tx_multicast_octets; 432 uint tx_deferred_transmissions; 433 uint tx_single_retry_frames; 434 uint tx_multiple_retry_frames; 435 uint tx_retry_limit_exceeded; 436 uint tx_discards; 437 uint rx_unicast_frames; 438 uint rx_multicast_frames; 439 uint rx_fragments; 440 uint rx_unicast_octets; 441 uint rx_multicast_octets; 442 uint rx_fcs_errors; 443 uint rx_discards_no_buffer; 444 uint tx_discards_wrong_sa; 445 uint rx_discards_undecryptable; 446 uint rx_message_in_msg_fragments; 447 uint rx_message_in_bad_msg_fragments; 448 }; 449 450 struct ieee80211_softmac_stats { 451 uint rx_ass_ok; 452 uint rx_ass_err; 453 uint rx_probe_rq; 454 uint tx_probe_rs; 455 uint tx_beacons; 456 uint rx_auth_rq; 457 uint rx_auth_rs_ok; 458 uint rx_auth_rs_err; 459 uint tx_auth_rq; 460 uint no_auth_rs; 461 uint no_ass_rs; 462 uint tx_ass_rq; 463 uint rx_ass_rq; 464 uint tx_probe_rq; 465 uint reassoc; 466 uint swtxstop; 467 uint swtxawake; 468 }; 469 470 #define SEC_KEY_1 BIT(0) 471 #define SEC_KEY_2 BIT(1) 472 #define SEC_KEY_3 BIT(2) 473 #define SEC_KEY_4 BIT(3) 474 #define SEC_ACTIVE_KEY BIT(4) 475 #define SEC_AUTH_MODE BIT(5) 476 #define SEC_UNICAST_GROUP BIT(6) 477 #define SEC_LEVEL BIT(7) 478 #define SEC_ENABLED BIT(8) 479 480 #define SEC_LEVEL_0 0 /* None */ 481 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 482 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 483 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 484 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 485 486 #define WEP_KEYS 4 487 #define WEP_KEY_LEN 13 488 489 struct ieee80211_security { 490 u16 active_key:2, 491 enabled:1, 492 auth_mode:2, 493 auth_algo:4, 494 unicast_uses_group:1; 495 u8 key_sizes[WEP_KEYS]; 496 u8 keys[WEP_KEYS][WEP_KEY_LEN]; 497 u8 level; 498 u16 flags; 499 } __packed; 500 501 /* 502 * 503 * 802.11 data frame from AP 504 * 505 * ,-------------------------------------------------------------------. 506 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | 507 * |------|------|---------|---------|---------|------|---------|------| 508 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | 509 * | | tion | (BSSID) | | | ence | data | | 510 * `-------------------------------------------------------------------' 511 * 512 * Total: 28-2340 bytes 513 * 514 */ 515 516 struct ieee80211_header_data { 517 __le16 frame_ctl; 518 __le16 duration_id; 519 u8 addr1[6]; 520 u8 addr2[6]; 521 u8 addr3[6]; 522 __le16 seq_ctrl; 523 } __packed __aligned(2); 524 525 #define BEACON_PROBE_SSID_ID_POSITION 12 526 527 /* Management Frame Information Element Types */ 528 #define MFIE_TYPE_SSID 0 529 #define MFIE_TYPE_RATES 1 530 #define MFIE_TYPE_FH_SET 2 531 #define MFIE_TYPE_DS_SET 3 532 #define MFIE_TYPE_CF_SET 4 533 #define MFIE_TYPE_TIM 5 534 #define MFIE_TYPE_IBSS_SET 6 535 #define MFIE_TYPE_CHALLENGE 16 536 #define MFIE_TYPE_ERP 42 537 #define MFIE_TYPE_RSN 48 538 #define MFIE_TYPE_RATES_EX 50 539 #define MFIE_TYPE_GENERIC 221 540 541 struct ieee80211_info_element_hdr { 542 u8 id; 543 u8 len; 544 } __packed; 545 546 struct ieee80211_info_element { 547 u8 id; 548 u8 len; 549 u8 data[0]; 550 } __packed; 551 552 /* 553 * These are the data types that can make up management packets 554 * 555 __le16 auth_algorithm; 556 __le16 auth_sequence; 557 __le16 beacon_interval; 558 __le16 capability; 559 u8 current_ap[ETH_ALEN]; 560 __le16 listen_interval; 561 struct { 562 u16 association_id:14, reserved:2; 563 } __packed; 564 __le32 time_stamp[2]; 565 __le16 reason; 566 __le16 status; 567 */ 568 569 #define IEEE80211_DEFAULT_TX_ESSID "Penguin" 570 #define IEEE80211_DEFAULT_BASIC_RATE 10 571 572 struct ieee80211_authentication { 573 struct ieee80211_header_data header; 574 __le16 algorithm; 575 __le16 transaction; 576 __le16 status; 577 } __packed; 578 579 struct ieee80211_probe_response { 580 struct ieee80211_header_data header; 581 __le32 time_stamp[2]; 582 __le16 beacon_interval; 583 __le16 capability; 584 struct ieee80211_info_element info_element; 585 } __packed; 586 587 struct ieee80211_probe_request { 588 struct ieee80211_header_data header; 589 } __packed; 590 591 struct ieee80211_assoc_request_frame { 592 struct ieee80211_hdr_3addr header; 593 __le16 capability; 594 __le16 listen_interval; 595 struct ieee80211_info_element_hdr info_element; 596 } __packed; 597 598 struct ieee80211_assoc_response_frame { 599 struct ieee80211_hdr_3addr header; 600 __le16 capability; 601 __le16 status; 602 __le16 aid; 603 } __packed; 604 605 struct ieee80211_txb { 606 u8 nr_frags; 607 u8 encrypted; 608 u16 reserved; 609 u16 frag_size; 610 u16 payload_size; 611 struct sk_buff *fragments[0]; 612 }; 613 614 /* SWEEP TABLE ENTRIES NUMBER*/ 615 #define MAX_SWEEP_TAB_ENTRIES 42 616 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 617 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 618 * only use 8, and then use extended rates for the remaining supported 619 * rates. Other APs, however, stick all of their supported rates on the 620 * main rates information element... 621 */ 622 #define MAX_RATES_LENGTH ((u8)12) 623 #define MAX_RATES_EX_LENGTH ((u8)16) 624 #define MAX_NETWORK_COUNT 128 625 #define MAX_CHANNEL_NUMBER 161 626 #define IEEE80211_SOFTMAC_SCAN_TIME 400 627 /*(HZ / 2)*/ 628 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 629 630 #define CRC_LENGTH 4U 631 632 #define MAX_WPA_IE_LEN 128 633 634 #define NETWORK_EMPTY_ESSID BIT(0) 635 #define NETWORK_HAS_OFDM BIT(1) 636 #define NETWORK_HAS_CCK BIT(2) 637 638 #define IEEE80211_DTIM_MBCAST 4 639 #define IEEE80211_DTIM_UCAST 2 640 #define IEEE80211_DTIM_VALID 1 641 #define IEEE80211_DTIM_INVALID 0 642 643 #define IEEE80211_PS_DISABLED 0 644 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST 645 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST 646 #define IW_ESSID_MAX_SIZE 32 647 /* 648 * join_res: 649 * -1: authentication fail 650 * -2: association fail 651 * > 0: TID 652 */ 653 654 enum ieee80211_state { 655 /* the card is not linked at all */ 656 IEEE80211_NOLINK = 0, 657 /* IEEE80211_ASSOCIATING* are for BSS client mode 658 * the driver shall not perform RX filtering unless 659 * the state is LINKED. 660 * The driver shall just check for the state LINKED and 661 * defaults to NOLINK for ALL the other states (including 662 * LINKED_SCANNING) 663 */ 664 /* the association procedure will start (wq scheduling)*/ 665 IEEE80211_ASSOCIATING, 666 IEEE80211_ASSOCIATING_RETRY, 667 /* the association procedure is sending AUTH request*/ 668 IEEE80211_ASSOCIATING_AUTHENTICATING, 669 /* the association procedure has successfully authenticated 670 * and is sending association request 671 */ 672 IEEE80211_ASSOCIATING_AUTHENTICATED, 673 /* the link is ok. the card associated to a BSS or linked 674 * to a ibss cell or acting as an AP and creating the bss 675 */ 676 IEEE80211_LINKED, 677 /* same as LINKED, but the driver shall apply RX filter 678 * rules as we are in NO_LINK mode. As the card is still 679 * logically linked, but it is doing a syncro site survey 680 * then it will be back to LINKED state. 681 */ 682 IEEE80211_LINKED_SCANNING, 683 }; 684 685 #define DEFAULT_MAX_SCAN_AGE (15 * HZ) 686 #define DEFAULT_FTS 2346 687 688 #define CFG_IEEE80211_RESERVE_FCS BIT(0) 689 #define CFG_IEEE80211_COMPUTE_FCS BIT(1) 690 691 #define MAXTID 16 692 693 #define IEEE_A BIT(0) 694 #define IEEE_B BIT(1) 695 #define IEEE_G BIT(2) 696 #define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) 697 698 static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) 699 { 700 /* Single white space is for Linksys APs */ 701 if (essid_len == 1 && essid[0] == ' ') 702 return 1; 703 /* Otherwise, if the entire essid is 0, we assume it is hidden */ 704 while (essid_len) { 705 essid_len--; 706 if (essid[essid_len] != '\0') 707 return 0; 708 } 709 return 1; 710 } 711 712 static inline int ieee80211_get_hdrlen(u16 fc) 713 { 714 int hdrlen = 24; 715 716 switch (WLAN_FC_GET_TYPE(fc)) { 717 case IEEE80211_FTYPE_DATA: 718 if (fc & IEEE80211_QOS_DATAGRP) 719 hdrlen += 2; 720 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) 721 hdrlen += 6; /* Addr4 */ 722 break; 723 case IEEE80211_FTYPE_CTL: 724 switch (WLAN_FC_GET_STYPE(fc)) { 725 case IEEE80211_STYPE_CTS: 726 case IEEE80211_STYPE_ACK: 727 hdrlen = 10; 728 break; 729 default: 730 hdrlen = 16; 731 break; 732 } 733 break; 734 } 735 return hdrlen; 736 } 737 738 struct registry_priv; 739 740 u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen); 741 u8 *r8712_get_ie(u8 *pbuf, sint index, uint *len, sint limit); 742 unsigned char *r8712_get_wpa_ie(unsigned char *pie, uint *rsn_ie_len, int limit); 743 unsigned char *r8712_get_wpa2_ie(unsigned char *pie, uint *rsn_ie_len, 744 int limit); 745 int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 746 int *pairwise_cipher); 747 int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 748 int *pairwise_cipher); 749 int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, 750 u8 *wpa_ie, u16 *wpa_len); 751 int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); 752 int r8712_generate_ie(struct registry_priv *pregistrypriv); 753 uint r8712_is_cckrates_included(u8 *rate); 754 uint r8712_is_cckratesonly_included(u8 *rate); 755 756 #endif /* IEEE80211_H */ 757 758