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, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * Modifications for inclusion into the Linux staging tree are 19 * Copyright(c) 2010 Larry Finger. All rights reserved. 20 * 21 * Contact information: 22 * WLAN FAE <wlanfae@realtek.com> 23 * Larry Finger <Larry.Finger@lwfinger.net> 24 * 25 ******************************************************************************/ 26#ifndef __IEEE80211_H 27#define __IEEE80211_H 28 29#include "osdep_service.h" 30#include "drv_types.h" 31#include "wifi.h" 32#include <linux/compiler.h> 33#include <linux/wireless.h> 34 35#define MGMT_QUEUE_NUM 5 36#define ETH_ALEN 6 37#define IEEE_CMD_SET_WPA_PARAM 1 38#define IEEE_CMD_SET_WPA_IE 2 39#define IEEE_CMD_SET_ENCRYPTION 3 40#define IEEE_CMD_MLME 4 41 42#define IEEE_PARAM_WPA_ENABLED 1 43#define IEEE_PARAM_TKIP_COUNTERMEASURES 2 44#define IEEE_PARAM_DROP_UNENCRYPTED 3 45#define IEEE_PARAM_PRIVACY_INVOKED 4 46#define IEEE_PARAM_AUTH_ALGS 5 47#define IEEE_PARAM_IEEE_802_1X 6 48#define IEEE_PARAM_WPAX_SELECT 7 49 50#define AUTH_ALG_OPEN_SYSTEM 0x1 51#define AUTH_ALG_SHARED_KEY 0x2 52#define AUTH_ALG_LEAP 0x00000004 53 54#define IEEE_MLME_STA_DEAUTH 1 55#define IEEE_MLME_STA_DISASSOC 2 56 57#define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 58#define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 59#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 60#define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 61#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 62#define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 63 64 65#define IEEE_CRYPT_ALG_NAME_LEN 16 66 67#define WPA_CIPHER_NONE BIT(0) 68#define WPA_CIPHER_WEP40 BIT(1) 69#define WPA_CIPHER_WEP104 BIT(2) 70#define WPA_CIPHER_TKIP BIT(3) 71#define WPA_CIPHER_CCMP BIT(4) 72 73 74 75#define WPA_SELECTOR_LEN 4 76#define RSN_HEADER_LEN 4 77 78#define RSN_SELECTOR_LEN 4 79 80enum NETWORK_TYPE { 81 WIRELESS_INVALID = 0, 82 WIRELESS_11B = 1, 83 WIRELESS_11G = 2, 84 WIRELESS_11BG = (WIRELESS_11B | WIRELESS_11G), 85 WIRELESS_11A = 4, 86 WIRELESS_11N = 8, 87 WIRELESS_11GN = (WIRELESS_11G | WIRELESS_11N), 88 WIRELESS_11BGN = (WIRELESS_11B | WIRELESS_11G | WIRELESS_11N), 89}; 90 91 92struct ieee_param { 93 u32 cmd; 94 u8 sta_addr[ETH_ALEN]; 95 union { 96 struct { 97 u8 name; 98 u32 value; 99 } wpa_param; 100 struct { 101 u32 len; 102 u8 reserved[32]; 103 u8 data[0]; 104 } wpa_ie; 105 struct { 106 int command; 107 int reason_code; 108 } mlme; 109 struct { 110 u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; 111 u8 set_tx; 112 u32 err; 113 u8 idx; 114 u8 seq[8]; /* sequence counter (set: RX, get: TX) */ 115 u16 key_len; 116 u8 key[0]; 117 } crypt; 118 } u; 119}; 120 121#define IEEE80211_DATA_LEN 2304 122/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 123 * 6.2.1.1.2. 124 * 125 * The figure in section 7.1.2 suggests a body size of up to 2312 126 * bytes is allowed, which is a bit confusing, I suspect this 127 * represents the 2304 bytes of real data, plus a possible 8 bytes of 128 * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) 129 */ 130 131#define IEEE80211_HLEN 30 132#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 133 134/* this is stolen from ipw2200 driver */ 135#define IEEE_IBSS_MAC_HASH_SIZE 31 136 137struct ieee_ibss_seq { 138 u8 mac[ETH_ALEN]; 139 u16 seq_num; 140 u16 frag_num; 141 unsigned long packet_time; 142 struct list_head list; 143}; 144 145struct ieee80211_hdr { 146 u16 frame_ctl; 147 u16 duration_id; 148 u8 addr1[ETH_ALEN]; 149 u8 addr2[ETH_ALEN]; 150 u8 addr3[ETH_ALEN]; 151 u16 seq_ctl; 152 u8 addr4[ETH_ALEN]; 153} __packed; 154 155struct ieee80211_hdr_3addr { 156 u16 frame_ctl; 157 u16 duration_id; 158 u8 addr1[ETH_ALEN]; 159 u8 addr2[ETH_ALEN]; 160 u8 addr3[ETH_ALEN]; 161 u16 seq_ctl; 162} __packed; 163 164 165struct ieee80211_hdr_qos { 166 u16 frame_ctl; 167 u16 duration_id; 168 u8 addr1[ETH_ALEN]; 169 u8 addr2[ETH_ALEN]; 170 u8 addr3[ETH_ALEN]; 171 u16 seq_ctl; 172 u8 addr4[ETH_ALEN]; 173 u16 qc; 174} __packed; 175 176struct ieee80211_hdr_3addr_qos { 177 u16 frame_ctl; 178 u16 duration_id; 179 u8 addr1[ETH_ALEN]; 180 u8 addr2[ETH_ALEN]; 181 u8 addr3[ETH_ALEN]; 182 u16 seq_ctl; 183 u16 qc; 184} __packed; 185 186struct eapol { 187 u8 snap[6]; 188 u16 ethertype; 189 u8 version; 190 u8 type; 191 u16 length; 192} __packed; 193 194 195enum eap_type { 196 EAP_PACKET = 0, 197 EAPOL_START, 198 EAPOL_LOGOFF, 199 EAPOL_KEY, 200 EAPOL_ENCAP_ASF_ALERT 201}; 202 203#define IEEE80211_3ADDR_LEN 24 204#define IEEE80211_4ADDR_LEN 30 205#define IEEE80211_FCS_LEN 4 206 207#define MIN_FRAG_THRESHOLD 256U 208#define MAX_FRAG_THRESHOLD 2346U 209 210/* Frame control field constants */ 211#define IEEE80211_FCTL_VERS 0x0002 212#define IEEE80211_FCTL_FTYPE 0x000c 213#define IEEE80211_FCTL_STYPE 0x00f0 214#define IEEE80211_FCTL_TODS 0x0100 215#define IEEE80211_FCTL_FROMDS 0x0200 216#define IEEE80211_FCTL_MOREFRAGS 0x0400 217#define IEEE80211_FCTL_RETRY 0x0800 218#define IEEE80211_FCTL_PM 0x1000 219#define IEEE80211_FCTL_MOREDATA 0x2000 220#define IEEE80211_FCTL_WEP 0x4000 221#define IEEE80211_FCTL_ORDER 0x8000 222 223#define IEEE80211_FTYPE_MGMT 0x0000 224#define IEEE80211_FTYPE_CTL 0x0004 225#define IEEE80211_FTYPE_DATA 0x0008 226 227/* management */ 228#define IEEE80211_STYPE_ASSOC_REQ 0x0000 229#define IEEE80211_STYPE_ASSOC_RESP 0x0010 230#define IEEE80211_STYPE_REASSOC_REQ 0x0020 231#define IEEE80211_STYPE_REASSOC_RESP 0x0030 232#define IEEE80211_STYPE_PROBE_REQ 0x0040 233#define IEEE80211_STYPE_PROBE_RESP 0x0050 234#define IEEE80211_STYPE_BEACON 0x0080 235#define IEEE80211_STYPE_ATIM 0x0090 236#define IEEE80211_STYPE_DISASSOC 0x00A0 237#define IEEE80211_STYPE_AUTH 0x00B0 238#define IEEE80211_STYPE_DEAUTH 0x00C0 239 240/* control */ 241#define IEEE80211_STYPE_PSPOLL 0x00A0 242#define IEEE80211_STYPE_RTS 0x00B0 243#define IEEE80211_STYPE_CTS 0x00C0 244#define IEEE80211_STYPE_ACK 0x00D0 245#define IEEE80211_STYPE_CFEND 0x00E0 246#define IEEE80211_STYPE_CFENDACK 0x00F0 247 248/* data */ 249#define IEEE80211_STYPE_DATA 0x0000 250#define IEEE80211_STYPE_DATA_CFACK 0x0010 251#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 252#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 253#define IEEE80211_STYPE_NULLFUNC 0x0040 254#define IEEE80211_STYPE_CFACK 0x0050 255#define IEEE80211_STYPE_CFPOLL 0x0060 256#define IEEE80211_STYPE_CFACKPOLL 0x0070 257#define IEEE80211_QOS_DATAGRP 0x0080 258#define IEEE80211_QoS_DATAGRP IEEE80211_QOS_DATAGRP 259 260#define IEEE80211_SCTL_FRAG 0x000F 261#define IEEE80211_SCTL_SEQ 0xFFF0 262 263/* QoS,QOS */ 264#define NORMAL_ACK 0 265#define NO_ACK 1 266#define NON_EXPLICIT_ACK 2 267#define BLOCK_ACK 3 268 269#ifndef ETH_P_PAE 270#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 271#endif /* ETH_P_PAE */ 272 273#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ 274 275#define ETH_P_ECONET 0x0018 276 277#ifndef ETH_P_80211_RAW 278#define ETH_P_80211_RAW (ETH_P_ECONET + 1) 279#endif 280 281/* IEEE 802.11 defines */ 282 283#define P80211_OUI_LEN 3 284 285struct ieee80211_snap_hdr { 286 u8 dsap; /* always 0xAA */ 287 u8 ssap; /* always 0xAA */ 288 u8 ctrl; /* always 0x03 */ 289 u8 oui[P80211_OUI_LEN]; /* organizational universal id */ 290} __packed; 291 292#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) 293 294#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) 295#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) 296 297#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f) 298 299#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) 300#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) 301 302/* Authentication algorithms */ 303#define WLAN_AUTH_OPEN 0 304#define WLAN_AUTH_SHARED_KEY 1 305 306#define WLAN_AUTH_CHALLENGE_LEN 128 307 308#define WLAN_CAPABILITY_BSS (1<<0) 309#define WLAN_CAPABILITY_IBSS (1<<1) 310#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 311#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 312#define WLAN_CAPABILITY_PRIVACY (1<<4) 313#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 314#define WLAN_CAPABILITY_PBCC (1<<6) 315#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 316#define WLAN_CAPABILITY_SHORT_SLOT (1<<10) 317 318/* Information Element IDs */ 319#define WLAN_EID_SSID 0 320#define WLAN_EID_SUPP_RATES 1 321#define WLAN_EID_FH_PARAMS 2 322#define WLAN_EID_DS_PARAMS 3 323#define WLAN_EID_CF_PARAMS 4 324#define WLAN_EID_TIM 5 325#define WLAN_EID_IBSS_PARAMS 6 326#define WLAN_EID_CHALLENGE 16 327#define WLAN_EID_RSN 48 328#define WLAN_EID_GENERIC 221 329 330#define IEEE80211_MGMT_HDR_LEN 24 331#define IEEE80211_DATA_HDR3_LEN 24 332#define IEEE80211_DATA_HDR4_LEN 30 333 334 335#define IEEE80211_STATMASK_SIGNAL (1<<0) 336#define IEEE80211_STATMASK_RSSI (1<<1) 337#define IEEE80211_STATMASK_NOISE (1<<2) 338#define IEEE80211_STATMASK_RATE (1<<3) 339#define IEEE80211_STATMASK_WEMASK 0x7 340 341 342#define IEEE80211_CCK_MODULATION (1<<0) 343#define IEEE80211_OFDM_MODULATION (1<<1) 344 345#define IEEE80211_24GHZ_BAND (1<<0) 346#define IEEE80211_52GHZ_BAND (1<<1) 347 348#define IEEE80211_CCK_RATE_LEN 4 349#define IEEE80211_NUM_OFDM_RATESLEN 8 350 351 352#define IEEE80211_CCK_RATE_1MB 0x02 353#define IEEE80211_CCK_RATE_2MB 0x04 354#define IEEE80211_CCK_RATE_5MB 0x0B 355#define IEEE80211_CCK_RATE_11MB 0x16 356#define IEEE80211_OFDM_RATE_LEN 8 357#define IEEE80211_OFDM_RATE_6MB 0x0C 358#define IEEE80211_OFDM_RATE_9MB 0x12 359#define IEEE80211_OFDM_RATE_12MB 0x18 360#define IEEE80211_OFDM_RATE_18MB 0x24 361#define IEEE80211_OFDM_RATE_24MB 0x30 362#define IEEE80211_OFDM_RATE_36MB 0x48 363#define IEEE80211_OFDM_RATE_48MB 0x60 364#define IEEE80211_OFDM_RATE_54MB 0x6C 365#define IEEE80211_BASIC_RATE_MASK 0x80 366 367#define IEEE80211_CCK_RATE_1MB_MASK (1<<0) 368#define IEEE80211_CCK_RATE_2MB_MASK (1<<1) 369#define IEEE80211_CCK_RATE_5MB_MASK (1<<2) 370#define IEEE80211_CCK_RATE_11MB_MASK (1<<3) 371#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) 372#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) 373#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) 374#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) 375#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) 376#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) 377#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) 378#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) 379 380#define IEEE80211_CCK_RATES_MASK 0x0000000F 381#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ 382 IEEE80211_CCK_RATE_2MB_MASK) 383#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ 384 IEEE80211_CCK_RATE_5MB_MASK | \ 385 IEEE80211_CCK_RATE_11MB_MASK) 386 387#define IEEE80211_OFDM_RATES_MASK 0x00000FF0 388#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ 389 IEEE80211_OFDM_RATE_12MB_MASK | \ 390 IEEE80211_OFDM_RATE_24MB_MASK) 391#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ 392 IEEE80211_OFDM_RATE_9MB_MASK | \ 393 IEEE80211_OFDM_RATE_18MB_MASK | \ 394 IEEE80211_OFDM_RATE_36MB_MASK | \ 395 IEEE80211_OFDM_RATE_48MB_MASK | \ 396 IEEE80211_OFDM_RATE_54MB_MASK) 397#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ 398 IEEE80211_CCK_DEFAULT_RATES_MASK) 399 400#define IEEE80211_NUM_OFDM_RATES 8 401#define IEEE80211_NUM_CCK_RATES 4 402#define IEEE80211_OFDM_SHIFT_MASK_A 4 403 404 405 406 407/* NOTE: This data is for statistical purposes; not all hardware provides this 408 * information for frames received. Not setting these will not cause 409 * any adverse affects. 410 */ 411struct ieee80211_rx_stats { 412 s8 rssi; 413 u8 signal; 414 u8 noise; 415 u8 received_channel; 416 u16 rate; /* in 100 kbps */ 417 u8 mask; 418 u8 freq; 419 u16 len; 420}; 421 422/* IEEE 802.11 requires that STA supports concurrent reception of at least 423 * three fragmented frames. This define can be increased to support more 424 * concurrent frames, but it should be noted that each entry can consume about 425 * 2 kB of RAM and increasing cache size will slow down frame reassembly. 426 */ 427#define IEEE80211_FRAG_CACHE_LEN 4 428 429struct ieee80211_frag_entry { 430 u32 first_frag_time; 431 uint seq; 432 uint last_frag; 433 uint qos; /*jackson*/ 434 uint tid; /*jackson*/ 435 struct sk_buff *skb; 436 u8 src_addr[ETH_ALEN]; 437 u8 dst_addr[ETH_ALEN]; 438}; 439 440struct ieee80211_stats { 441 uint tx_unicast_frames; 442 uint tx_multicast_frames; 443 uint tx_fragments; 444 uint tx_unicast_octets; 445 uint tx_multicast_octets; 446 uint tx_deferred_transmissions; 447 uint tx_single_retry_frames; 448 uint tx_multiple_retry_frames; 449 uint tx_retry_limit_exceeded; 450 uint tx_discards; 451 uint rx_unicast_frames; 452 uint rx_multicast_frames; 453 uint rx_fragments; 454 uint rx_unicast_octets; 455 uint rx_multicast_octets; 456 uint rx_fcs_errors; 457 uint rx_discards_no_buffer; 458 uint tx_discards_wrong_sa; 459 uint rx_discards_undecryptable; 460 uint rx_message_in_msg_fragments; 461 uint rx_message_in_bad_msg_fragments; 462}; 463 464struct ieee80211_softmac_stats { 465 uint rx_ass_ok; 466 uint rx_ass_err; 467 uint rx_probe_rq; 468 uint tx_probe_rs; 469 uint tx_beacons; 470 uint rx_auth_rq; 471 uint rx_auth_rs_ok; 472 uint rx_auth_rs_err; 473 uint tx_auth_rq; 474 uint no_auth_rs; 475 uint no_ass_rs; 476 uint tx_ass_rq; 477 uint rx_ass_rq; 478 uint tx_probe_rq; 479 uint reassoc; 480 uint swtxstop; 481 uint swtxawake; 482}; 483 484#define SEC_KEY_1 (1<<0) 485#define SEC_KEY_2 (1<<1) 486#define SEC_KEY_3 (1<<2) 487#define SEC_KEY_4 (1<<3) 488#define SEC_ACTIVE_KEY (1<<4) 489#define SEC_AUTH_MODE (1<<5) 490#define SEC_UNICAST_GROUP (1<<6) 491#define SEC_LEVEL (1<<7) 492#define SEC_ENABLED (1<<8) 493 494#define SEC_LEVEL_0 0 /* None */ 495#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ 496#define SEC_LEVEL_2 2 /* Level 1 + TKIP */ 497#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ 498#define SEC_LEVEL_3 4 /* Level 2 + CCMP */ 499 500#define WEP_KEYS 4 501#define WEP_KEY_LEN 13 502 503struct ieee80211_security { 504 u16 active_key:2, 505 enabled:1, 506 auth_mode:2, 507 auth_algo:4, 508 unicast_uses_group:1; 509 u8 key_sizes[WEP_KEYS]; 510 u8 keys[WEP_KEYS][WEP_KEY_LEN]; 511 u8 level; 512 u16 flags; 513} __packed; 514 515/* 516 * 517 * 802.11 data frame from AP 518 * 519 * ,-------------------------------------------------------------------. 520 * Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | 521 * |------|------|---------|---------|---------|------|---------|------| 522 * Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | 523 * | | tion | (BSSID) | | | ence | data | | 524 * `-------------------------------------------------------------------' 525 * 526 * Total: 28-2340 bytes 527 * 528 */ 529 530struct ieee80211_header_data { 531 u16 frame_ctl; 532 u16 duration_id; 533 u8 addr1[6]; 534 u8 addr2[6]; 535 u8 addr3[6]; 536 u16 seq_ctrl; 537}; 538 539#define BEACON_PROBE_SSID_ID_POSITION 12 540 541/* Management Frame Information Element Types */ 542#define MFIE_TYPE_SSID 0 543#define MFIE_TYPE_RATES 1 544#define MFIE_TYPE_FH_SET 2 545#define MFIE_TYPE_DS_SET 3 546#define MFIE_TYPE_CF_SET 4 547#define MFIE_TYPE_TIM 5 548#define MFIE_TYPE_IBSS_SET 6 549#define MFIE_TYPE_CHALLENGE 16 550#define MFIE_TYPE_ERP 42 551#define MFIE_TYPE_RSN 48 552#define MFIE_TYPE_RATES_EX 50 553#define MFIE_TYPE_GENERIC 221 554 555struct ieee80211_info_element_hdr { 556 u8 id; 557 u8 len; 558} __packed; 559 560struct ieee80211_info_element { 561 u8 id; 562 u8 len; 563 u8 data[0]; 564} __packed; 565 566/* 567 * These are the data types that can make up management packets 568 * 569 u16 auth_algorithm; 570 u16 auth_sequence; 571 u16 beacon_interval; 572 u16 capability; 573 u8 current_ap[ETH_ALEN]; 574 u16 listen_interval; 575 struct { 576 u16 association_id:14, reserved:2; 577 } __packed; 578 u32 time_stamp[2]; 579 u16 reason; 580 u16 status; 581*/ 582 583#define IEEE80211_DEFAULT_TX_ESSID "Penguin" 584#define IEEE80211_DEFAULT_BASIC_RATE 10 585 586struct ieee80211_authentication { 587 struct ieee80211_header_data header; 588 u16 algorithm; 589 u16 transaction; 590 u16 status; 591} __packed; 592 593struct ieee80211_probe_response { 594 struct ieee80211_header_data header; 595 u32 time_stamp[2]; 596 u16 beacon_interval; 597 u16 capability; 598 struct ieee80211_info_element info_element; 599} __packed; 600 601struct ieee80211_probe_request { 602 struct ieee80211_header_data header; 603} __packed; 604 605struct ieee80211_assoc_request_frame { 606 struct ieee80211_hdr_3addr header; 607 u16 capability; 608 u16 listen_interval; 609 struct ieee80211_info_element_hdr info_element; 610} __packed; 611 612struct ieee80211_assoc_response_frame { 613 struct ieee80211_hdr_3addr header; 614 u16 capability; 615 u16 status; 616 u16 aid; 617} __packed; 618 619struct ieee80211_txb { 620 u8 nr_frags; 621 u8 encrypted; 622 u16 reserved; 623 u16 frag_size; 624 u16 payload_size; 625 struct sk_buff *fragments[0]; 626}; 627 628/* SWEEP TABLE ENTRIES NUMBER*/ 629#define MAX_SWEEP_TAB_ENTRIES 42 630#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 631/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs 632 * only use 8, and then use extended rates for the remaining supported 633 * rates. Other APs, however, stick all of their supported rates on the 634 * main rates information element... 635 */ 636#define MAX_RATES_LENGTH ((u8)12) 637#define MAX_RATES_EX_LENGTH ((u8)16) 638#define MAX_NETWORK_COUNT 128 639#define MAX_CHANNEL_NUMBER 161 640#define IEEE80211_SOFTMAC_SCAN_TIME 400 641/*(HZ / 2)*/ 642#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) 643 644#define CRC_LENGTH 4U 645 646#define MAX_WPA_IE_LEN 128 647 648#define NETWORK_EMPTY_ESSID (1<<0) 649#define NETWORK_HAS_OFDM (1<<1) 650#define NETWORK_HAS_CCK (1<<2) 651 652#define IEEE80211_DTIM_MBCAST 4 653#define IEEE80211_DTIM_UCAST 2 654#define IEEE80211_DTIM_VALID 1 655#define IEEE80211_DTIM_INVALID 0 656 657#define IEEE80211_PS_DISABLED 0 658#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST 659#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST 660#define IW_ESSID_MAX_SIZE 32 661/* 662 * join_res: 663 * -1: authentication fail 664 * -2: association fail 665 * > 0: TID 666 */ 667 668enum ieee80211_state { 669 /* the card is not linked at all */ 670 IEEE80211_NOLINK = 0, 671 /* IEEE80211_ASSOCIATING* are for BSS client mode 672 * the driver shall not perform RX filtering unless 673 * the state is LINKED. 674 * The driver shall just check for the state LINKED and 675 * defaults to NOLINK for ALL the other states (including 676 * LINKED_SCANNING) 677 */ 678 /* the association procedure will start (wq scheduling)*/ 679 IEEE80211_ASSOCIATING, 680 IEEE80211_ASSOCIATING_RETRY, 681 /* the association procedure is sending AUTH request*/ 682 IEEE80211_ASSOCIATING_AUTHENTICATING, 683 /* the association procedure has successfully authenticated 684 * and is sending association request 685 */ 686 IEEE80211_ASSOCIATING_AUTHENTICATED, 687 /* the link is ok. the card associated to a BSS or linked 688 * to a ibss cell or acting as an AP and creating the bss 689 */ 690 IEEE80211_LINKED, 691 /* same as LINKED, but the driver shall apply RX filter 692 * rules as we are in NO_LINK mode. As the card is still 693 * logically linked, but it is doing a syncro site survey 694 * then it will be back to LINKED state. 695 */ 696 IEEE80211_LINKED_SCANNING, 697}; 698 699#define DEFAULT_MAX_SCAN_AGE (15 * HZ) 700#define DEFAULT_FTS 2346 701 702#define CFG_IEEE80211_RESERVE_FCS (1<<0) 703#define CFG_IEEE80211_COMPUTE_FCS (1<<1) 704 705#define MAXTID 16 706 707#define IEEE_A (1<<0) 708#define IEEE_B (1<<1) 709#define IEEE_G (1<<2) 710#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) 711 712static inline int ieee80211_is_empty_essid(const char *essid, int essid_len) 713{ 714 /* Single white space is for Linksys APs */ 715 if (essid_len == 1 && essid[0] == ' ') 716 return 1; 717 /* Otherwise, if the entire essid is 0, we assume it is hidden */ 718 while (essid_len) { 719 essid_len--; 720 if (essid[essid_len] != '\0') 721 return 0; 722 } 723 return 1; 724} 725 726static inline int ieee80211_get_hdrlen(u16 fc) 727{ 728 int hdrlen = 24; 729 730 switch (WLAN_FC_GET_TYPE(fc)) { 731 case IEEE80211_FTYPE_DATA: 732 if (fc & IEEE80211_QOS_DATAGRP) 733 hdrlen += 2; 734 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) 735 hdrlen += 6; /* Addr4 */ 736 break; 737 case IEEE80211_FTYPE_CTL: 738 switch (WLAN_FC_GET_STYPE(fc)) { 739 case IEEE80211_STYPE_CTS: 740 case IEEE80211_STYPE_ACK: 741 hdrlen = 10; 742 break; 743 default: 744 hdrlen = 16; 745 break; 746 } 747 break; 748 } 749 return hdrlen; 750} 751 752struct registry_priv; 753 754u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen); 755u8 *r8712_get_ie(u8 *pbuf, sint index, sint *len, sint limit); 756unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit); 757unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, 758 int limit); 759int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 760 int *pairwise_cipher); 761int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, 762 int *pairwise_cipher); 763int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, 764 u8 *wpa_ie, u16 *wpa_len); 765int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen); 766int r8712_generate_ie(struct registry_priv *pregistrypriv); 767uint r8712_is_cckrates_included(u8 *rate); 768uint r8712_is_cckratesonly_included(u8 *rate); 769 770#endif /* IEEE80211_H */ 771 772