Linux 4.2.1
[linux/fpc-iii.git] / drivers / staging / rtl8712 / ieee80211.h
blob6e813a9c1aa26d7ad76c3ff5f7c102064727ea5b
1 /******************************************************************************
3 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
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.
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.
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
18 * Modifications for inclusion into the Linux staging tree are
19 * Copyright(c) 2010 Larry Finger. All rights reserved.
21 * Contact information:
22 * WLAN FAE <wlanfae@realtek.com>
23 * Larry Finger <Larry.Finger@lwfinger.net>
25 ******************************************************************************/
26 #ifndef __IEEE80211_H
27 #define __IEEE80211_H
29 #include "osdep_service.h"
30 #include "drv_types.h"
31 #include "wifi.h"
32 #include <linux/compiler.h>
33 #include <linux/wireless.h>
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
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
50 #define AUTH_ALG_OPEN_SYSTEM 0x1
51 #define AUTH_ALG_SHARED_KEY 0x2
52 #define AUTH_ALG_LEAP 0x00000004
54 #define IEEE_MLME_STA_DEAUTH 1
55 #define IEEE_MLME_STA_DISASSOC 2
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
65 #define IEEE_CRYPT_ALG_NAME_LEN 16
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)
75 #define WPA_SELECTOR_LEN 4
76 #define RSN_HEADER_LEN 4
78 #define RSN_SELECTOR_LEN 4
80 enum 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),
92 struct 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;
121 #define IEEE80211_DATA_LEN 2304
122 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
123 6.2.1.1.2.
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) */
130 #define IEEE80211_HLEN 30
131 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
133 /* this is stolen from ipw2200 driver */
134 #define IEEE_IBSS_MAC_HASH_SIZE 31
136 struct ieee_ibss_seq {
137 u8 mac[ETH_ALEN];
138 u16 seq_num;
139 u16 frag_num;
140 unsigned long packet_time;
141 struct list_head list;
144 struct ieee80211_hdr {
145 u16 frame_ctl;
146 u16 duration_id;
147 u8 addr1[ETH_ALEN];
148 u8 addr2[ETH_ALEN];
149 u8 addr3[ETH_ALEN];
150 u16 seq_ctl;
151 u8 addr4[ETH_ALEN];
152 } __packed;
154 struct ieee80211_hdr_3addr {
155 u16 frame_ctl;
156 u16 duration_id;
157 u8 addr1[ETH_ALEN];
158 u8 addr2[ETH_ALEN];
159 u8 addr3[ETH_ALEN];
160 u16 seq_ctl;
161 } __packed;
164 struct ieee80211_hdr_qos {
165 u16 frame_ctl;
166 u16 duration_id;
167 u8 addr1[ETH_ALEN];
168 u8 addr2[ETH_ALEN];
169 u8 addr3[ETH_ALEN];
170 u16 seq_ctl;
171 u8 addr4[ETH_ALEN];
172 u16 qc;
173 } __packed;
175 struct ieee80211_hdr_3addr_qos {
176 u16 frame_ctl;
177 u16 duration_id;
178 u8 addr1[ETH_ALEN];
179 u8 addr2[ETH_ALEN];
180 u8 addr3[ETH_ALEN];
181 u16 seq_ctl;
182 u16 qc;
183 } __packed;
185 struct eapol {
186 u8 snap[6];
187 u16 ethertype;
188 u8 version;
189 u8 type;
190 u16 length;
191 } __packed;
194 enum eap_type {
195 EAP_PACKET = 0,
196 EAPOL_START,
197 EAPOL_LOGOFF,
198 EAPOL_KEY,
199 EAPOL_ENCAP_ASF_ALERT
202 #define IEEE80211_3ADDR_LEN 24
203 #define IEEE80211_4ADDR_LEN 30
204 #define IEEE80211_FCS_LEN 4
206 #define MIN_FRAG_THRESHOLD 256U
207 #define MAX_FRAG_THRESHOLD 2346U
209 /* Frame control field constants */
210 #define IEEE80211_FCTL_VERS 0x0002
211 #define IEEE80211_FCTL_FTYPE 0x000c
212 #define IEEE80211_FCTL_STYPE 0x00f0
213 #define IEEE80211_FCTL_TODS 0x0100
214 #define IEEE80211_FCTL_FROMDS 0x0200
215 #define IEEE80211_FCTL_MOREFRAGS 0x0400
216 #define IEEE80211_FCTL_RETRY 0x0800
217 #define IEEE80211_FCTL_PM 0x1000
218 #define IEEE80211_FCTL_MOREDATA 0x2000
219 #define IEEE80211_FCTL_WEP 0x4000
220 #define IEEE80211_FCTL_ORDER 0x8000
222 #define IEEE80211_FTYPE_MGMT 0x0000
223 #define IEEE80211_FTYPE_CTL 0x0004
224 #define IEEE80211_FTYPE_DATA 0x0008
226 /* management */
227 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
228 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
229 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
230 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
231 #define IEEE80211_STYPE_PROBE_REQ 0x0040
232 #define IEEE80211_STYPE_PROBE_RESP 0x0050
233 #define IEEE80211_STYPE_BEACON 0x0080
234 #define IEEE80211_STYPE_ATIM 0x0090
235 #define IEEE80211_STYPE_DISASSOC 0x00A0
236 #define IEEE80211_STYPE_AUTH 0x00B0
237 #define IEEE80211_STYPE_DEAUTH 0x00C0
239 /* control */
240 #define IEEE80211_STYPE_PSPOLL 0x00A0
241 #define IEEE80211_STYPE_RTS 0x00B0
242 #define IEEE80211_STYPE_CTS 0x00C0
243 #define IEEE80211_STYPE_ACK 0x00D0
244 #define IEEE80211_STYPE_CFEND 0x00E0
245 #define IEEE80211_STYPE_CFENDACK 0x00F0
247 /* data */
248 #define IEEE80211_STYPE_DATA 0x0000
249 #define IEEE80211_STYPE_DATA_CFACK 0x0010
250 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
251 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
252 #define IEEE80211_STYPE_NULLFUNC 0x0040
253 #define IEEE80211_STYPE_CFACK 0x0050
254 #define IEEE80211_STYPE_CFPOLL 0x0060
255 #define IEEE80211_STYPE_CFACKPOLL 0x0070
256 #define IEEE80211_QOS_DATAGRP 0x0080
257 #define IEEE80211_QoS_DATAGRP IEEE80211_QOS_DATAGRP
259 #define IEEE80211_SCTL_FRAG 0x000F
260 #define IEEE80211_SCTL_SEQ 0xFFF0
262 /* QoS,QOS */
263 #define NORMAL_ACK 0
264 #define NO_ACK 1
265 #define NON_EXPLICIT_ACK 2
266 #define BLOCK_ACK 3
268 #ifndef ETH_P_PAE
269 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
270 #endif /* ETH_P_PAE */
272 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
274 #define ETH_P_ECONET 0x0018
276 #ifndef ETH_P_80211_RAW
277 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
278 #endif
280 /* IEEE 802.11 defines */
282 #define P80211_OUI_LEN 3
284 struct ieee80211_snap_hdr {
285 u8 dsap; /* always 0xAA */
286 u8 ssap; /* always 0xAA */
287 u8 ctrl; /* always 0x03 */
288 u8 oui[P80211_OUI_LEN]; /* organizational universal id */
289 } __packed;
291 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
293 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
294 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
296 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
298 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
299 #define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
301 /* Authentication algorithms */
302 #define WLAN_AUTH_OPEN 0
303 #define WLAN_AUTH_SHARED_KEY 1
305 #define WLAN_AUTH_CHALLENGE_LEN 128
307 #define WLAN_CAPABILITY_BSS (1<<0)
308 #define WLAN_CAPABILITY_IBSS (1<<1)
309 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
310 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
311 #define WLAN_CAPABILITY_PRIVACY (1<<4)
312 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
313 #define WLAN_CAPABILITY_PBCC (1<<6)
314 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
315 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
317 /* Information Element IDs */
318 #define WLAN_EID_SSID 0
319 #define WLAN_EID_SUPP_RATES 1
320 #define WLAN_EID_FH_PARAMS 2
321 #define WLAN_EID_DS_PARAMS 3
322 #define WLAN_EID_CF_PARAMS 4
323 #define WLAN_EID_TIM 5
324 #define WLAN_EID_IBSS_PARAMS 6
325 #define WLAN_EID_CHALLENGE 16
326 #define WLAN_EID_RSN 48
327 #define WLAN_EID_GENERIC 221
329 #define IEEE80211_MGMT_HDR_LEN 24
330 #define IEEE80211_DATA_HDR3_LEN 24
331 #define IEEE80211_DATA_HDR4_LEN 30
334 #define IEEE80211_STATMASK_SIGNAL (1<<0)
335 #define IEEE80211_STATMASK_RSSI (1<<1)
336 #define IEEE80211_STATMASK_NOISE (1<<2)
337 #define IEEE80211_STATMASK_RATE (1<<3)
338 #define IEEE80211_STATMASK_WEMASK 0x7
341 #define IEEE80211_CCK_MODULATION (1<<0)
342 #define IEEE80211_OFDM_MODULATION (1<<1)
344 #define IEEE80211_24GHZ_BAND (1<<0)
345 #define IEEE80211_52GHZ_BAND (1<<1)
347 #define IEEE80211_CCK_RATE_LEN 4
348 #define IEEE80211_NUM_OFDM_RATESLEN 8
351 #define IEEE80211_CCK_RATE_1MB 0x02
352 #define IEEE80211_CCK_RATE_2MB 0x04
353 #define IEEE80211_CCK_RATE_5MB 0x0B
354 #define IEEE80211_CCK_RATE_11MB 0x16
355 #define IEEE80211_OFDM_RATE_LEN 8
356 #define IEEE80211_OFDM_RATE_6MB 0x0C
357 #define IEEE80211_OFDM_RATE_9MB 0x12
358 #define IEEE80211_OFDM_RATE_12MB 0x18
359 #define IEEE80211_OFDM_RATE_18MB 0x24
360 #define IEEE80211_OFDM_RATE_24MB 0x30
361 #define IEEE80211_OFDM_RATE_36MB 0x48
362 #define IEEE80211_OFDM_RATE_48MB 0x60
363 #define IEEE80211_OFDM_RATE_54MB 0x6C
364 #define IEEE80211_BASIC_RATE_MASK 0x80
366 #define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
367 #define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
368 #define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
369 #define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
370 #define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
371 #define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
372 #define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
373 #define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
374 #define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
375 #define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
376 #define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
377 #define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
379 #define IEEE80211_CCK_RATES_MASK 0x0000000F
380 #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
381 IEEE80211_CCK_RATE_2MB_MASK)
382 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
383 IEEE80211_CCK_RATE_5MB_MASK | \
384 IEEE80211_CCK_RATE_11MB_MASK)
386 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
387 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
388 IEEE80211_OFDM_RATE_12MB_MASK | \
389 IEEE80211_OFDM_RATE_24MB_MASK)
390 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
391 IEEE80211_OFDM_RATE_9MB_MASK | \
392 IEEE80211_OFDM_RATE_18MB_MASK | \
393 IEEE80211_OFDM_RATE_36MB_MASK | \
394 IEEE80211_OFDM_RATE_48MB_MASK | \
395 IEEE80211_OFDM_RATE_54MB_MASK)
396 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
397 IEEE80211_CCK_DEFAULT_RATES_MASK)
399 #define IEEE80211_NUM_OFDM_RATES 8
400 #define IEEE80211_NUM_CCK_RATES 4
401 #define IEEE80211_OFDM_SHIFT_MASK_A 4
406 /* NOTE: This data is for statistical purposes; not all hardware provides this
407 * information for frames received. Not setting these will not cause
408 * any adverse affects. */
409 struct ieee80211_rx_stats {
410 s8 rssi;
411 u8 signal;
412 u8 noise;
413 u8 received_channel;
414 u16 rate; /* in 100 kbps */
415 u8 mask;
416 u8 freq;
417 u16 len;
420 /* IEEE 802.11 requires that STA supports concurrent reception of at least
421 * three fragmented frames. This define can be increased to support more
422 * concurrent frames, but it should be noted that each entry can consume about
423 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
424 #define IEEE80211_FRAG_CACHE_LEN 4
426 struct ieee80211_frag_entry {
427 u32 first_frag_time;
428 uint seq;
429 uint last_frag;
430 uint qos; /*jackson*/
431 uint tid; /*jackson*/
432 struct sk_buff *skb;
433 u8 src_addr[ETH_ALEN];
434 u8 dst_addr[ETH_ALEN];
437 struct ieee80211_stats {
438 uint tx_unicast_frames;
439 uint tx_multicast_frames;
440 uint tx_fragments;
441 uint tx_unicast_octets;
442 uint tx_multicast_octets;
443 uint tx_deferred_transmissions;
444 uint tx_single_retry_frames;
445 uint tx_multiple_retry_frames;
446 uint tx_retry_limit_exceeded;
447 uint tx_discards;
448 uint rx_unicast_frames;
449 uint rx_multicast_frames;
450 uint rx_fragments;
451 uint rx_unicast_octets;
452 uint rx_multicast_octets;
453 uint rx_fcs_errors;
454 uint rx_discards_no_buffer;
455 uint tx_discards_wrong_sa;
456 uint rx_discards_undecryptable;
457 uint rx_message_in_msg_fragments;
458 uint rx_message_in_bad_msg_fragments;
461 struct ieee80211_softmac_stats {
462 uint rx_ass_ok;
463 uint rx_ass_err;
464 uint rx_probe_rq;
465 uint tx_probe_rs;
466 uint tx_beacons;
467 uint rx_auth_rq;
468 uint rx_auth_rs_ok;
469 uint rx_auth_rs_err;
470 uint tx_auth_rq;
471 uint no_auth_rs;
472 uint no_ass_rs;
473 uint tx_ass_rq;
474 uint rx_ass_rq;
475 uint tx_probe_rq;
476 uint reassoc;
477 uint swtxstop;
478 uint swtxawake;
481 #define SEC_KEY_1 (1<<0)
482 #define SEC_KEY_2 (1<<1)
483 #define SEC_KEY_3 (1<<2)
484 #define SEC_KEY_4 (1<<3)
485 #define SEC_ACTIVE_KEY (1<<4)
486 #define SEC_AUTH_MODE (1<<5)
487 #define SEC_UNICAST_GROUP (1<<6)
488 #define SEC_LEVEL (1<<7)
489 #define SEC_ENABLED (1<<8)
491 #define SEC_LEVEL_0 0 /* None */
492 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
493 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
494 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
495 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
497 #define WEP_KEYS 4
498 #define WEP_KEY_LEN 13
500 struct ieee80211_security {
501 u16 active_key:2,
502 enabled:1,
503 auth_mode:2,
504 auth_algo:4,
505 unicast_uses_group:1;
506 u8 key_sizes[WEP_KEYS];
507 u8 keys[WEP_KEYS][WEP_KEY_LEN];
508 u8 level;
509 u16 flags;
510 } __packed;
514 802.11 data frame from AP
516 ,-------------------------------------------------------------------.
517 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
518 |------|------|---------|---------|---------|------|---------|------|
519 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
520 | | tion | (BSSID) | | | ence | data | |
521 `-------------------------------------------------------------------'
523 Total: 28-2340 bytes
527 struct ieee80211_header_data {
528 u16 frame_ctl;
529 u16 duration_id;
530 u8 addr1[6];
531 u8 addr2[6];
532 u8 addr3[6];
533 u16 seq_ctrl;
536 #define BEACON_PROBE_SSID_ID_POSITION 12
538 /* Management Frame Information Element Types */
539 #define MFIE_TYPE_SSID 0
540 #define MFIE_TYPE_RATES 1
541 #define MFIE_TYPE_FH_SET 2
542 #define MFIE_TYPE_DS_SET 3
543 #define MFIE_TYPE_CF_SET 4
544 #define MFIE_TYPE_TIM 5
545 #define MFIE_TYPE_IBSS_SET 6
546 #define MFIE_TYPE_CHALLENGE 16
547 #define MFIE_TYPE_ERP 42
548 #define MFIE_TYPE_RSN 48
549 #define MFIE_TYPE_RATES_EX 50
550 #define MFIE_TYPE_GENERIC 221
552 struct ieee80211_info_element_hdr {
553 u8 id;
554 u8 len;
555 } __packed;
557 struct ieee80211_info_element {
558 u8 id;
559 u8 len;
560 u8 data[0];
561 } __packed;
564 * These are the data types that can make up management packets
566 u16 auth_algorithm;
567 u16 auth_sequence;
568 u16 beacon_interval;
569 u16 capability;
570 u8 current_ap[ETH_ALEN];
571 u16 listen_interval;
572 struct {
573 u16 association_id:14, reserved:2;
574 } __packed;
575 u32 time_stamp[2];
576 u16 reason;
577 u16 status;
580 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
581 #define IEEE80211_DEFAULT_BASIC_RATE 10
583 struct ieee80211_authentication {
584 struct ieee80211_header_data header;
585 u16 algorithm;
586 u16 transaction;
587 u16 status;
588 } __packed;
590 struct ieee80211_probe_response {
591 struct ieee80211_header_data header;
592 u32 time_stamp[2];
593 u16 beacon_interval;
594 u16 capability;
595 struct ieee80211_info_element info_element;
596 } __packed;
598 struct ieee80211_probe_request {
599 struct ieee80211_header_data header;
600 } __packed;
602 struct ieee80211_assoc_request_frame {
603 struct ieee80211_hdr_3addr header;
604 u16 capability;
605 u16 listen_interval;
606 struct ieee80211_info_element_hdr info_element;
607 } __packed;
609 struct ieee80211_assoc_response_frame {
610 struct ieee80211_hdr_3addr header;
611 u16 capability;
612 u16 status;
613 u16 aid;
614 } __packed;
616 struct ieee80211_txb {
617 u8 nr_frags;
618 u8 encrypted;
619 u16 reserved;
620 u16 frag_size;
621 u16 payload_size;
622 struct sk_buff *fragments[0];
625 /* SWEEP TABLE ENTRIES NUMBER*/
626 #define MAX_SWEEP_TAB_ENTRIES 42
627 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
628 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
629 * only use 8, and then use extended rates for the remaining supported
630 * rates. Other APs, however, stick all of their supported rates on the
631 * main rates information element... */
632 #define MAX_RATES_LENGTH ((u8)12)
633 #define MAX_RATES_EX_LENGTH ((u8)16)
634 #define MAX_NETWORK_COUNT 128
635 #define MAX_CHANNEL_NUMBER 161
636 #define IEEE80211_SOFTMAC_SCAN_TIME 400
637 /*(HZ / 2)*/
638 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
640 #define CRC_LENGTH 4U
642 #define MAX_WPA_IE_LEN 128
644 #define NETWORK_EMPTY_ESSID (1<<0)
645 #define NETWORK_HAS_OFDM (1<<1)
646 #define NETWORK_HAS_CCK (1<<2)
648 #define IEEE80211_DTIM_MBCAST 4
649 #define IEEE80211_DTIM_UCAST 2
650 #define IEEE80211_DTIM_VALID 1
651 #define IEEE80211_DTIM_INVALID 0
653 #define IEEE80211_PS_DISABLED 0
654 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
655 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
656 #define IW_ESSID_MAX_SIZE 32
658 * join_res:
659 * -1: authentication fail
660 * -2: association fail
661 * > 0: TID
664 enum ieee80211_state {
665 /* the card is not linked at all */
666 IEEE80211_NOLINK = 0,
667 /* IEEE80211_ASSOCIATING* are for BSS client mode
668 * the driver shall not perform RX filtering unless
669 * the state is LINKED.
670 * The driver shall just check for the state LINKED and
671 * defaults to NOLINK for ALL the other states (including
672 * LINKED_SCANNING)
674 /* the association procedure will start (wq scheduling)*/
675 IEEE80211_ASSOCIATING,
676 IEEE80211_ASSOCIATING_RETRY,
677 /* the association procedure is sending AUTH request*/
678 IEEE80211_ASSOCIATING_AUTHENTICATING,
679 /* the association procedure has successfully authenticated
680 * and is sending association request
682 IEEE80211_ASSOCIATING_AUTHENTICATED,
683 /* the link is ok. the card associated to a BSS or linked
684 * to a ibss cell or acting as an AP and creating the bss
686 IEEE80211_LINKED,
687 /* same as LINKED, but the driver shall apply RX filter
688 * rules as we are in NO_LINK mode. As the card is still
689 * logically linked, but it is doing a syncro site survey
690 * then it will be back to LINKED state.
692 IEEE80211_LINKED_SCANNING,
695 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
696 #define DEFAULT_FTS 2346
698 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
699 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
701 #define MAXTID 16
703 #define IEEE_A (1<<0)
704 #define IEEE_B (1<<1)
705 #define IEEE_G (1<<2)
706 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
708 static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
710 /* Single white space is for Linksys APs */
711 if (essid_len == 1 && essid[0] == ' ')
712 return 1;
713 /* Otherwise, if the entire essid is 0, we assume it is hidden */
714 while (essid_len) {
715 essid_len--;
716 if (essid[essid_len] != '\0')
717 return 0;
719 return 1;
722 static inline int ieee80211_get_hdrlen(u16 fc)
724 int hdrlen = 24;
726 switch (WLAN_FC_GET_TYPE(fc)) {
727 case IEEE80211_FTYPE_DATA:
728 if (fc & IEEE80211_QOS_DATAGRP)
729 hdrlen += 2;
730 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
731 hdrlen += 6; /* Addr4 */
732 break;
733 case IEEE80211_FTYPE_CTL:
734 switch (WLAN_FC_GET_STYPE(fc)) {
735 case IEEE80211_STYPE_CTS:
736 case IEEE80211_STYPE_ACK:
737 hdrlen = 10;
738 break;
739 default:
740 hdrlen = 16;
741 break;
743 break;
745 return hdrlen;
748 struct registry_priv;
750 u8 *r8712_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
751 u8 *r8712_get_ie(u8 *pbuf, sint index, sint *len, sint limit);
752 unsigned char *r8712_get_wpa_ie(unsigned char *pie, int *rsn_ie_len, int limit);
753 unsigned char *r8712_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len,
754 int limit);
755 int r8712_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
756 int *pairwise_cipher);
757 int r8712_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher,
758 int *pairwise_cipher);
759 int r8712_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len,
760 u8 *wpa_ie, u16 *wpa_len);
761 int r8712_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
762 int r8712_generate_ie(struct registry_priv *pregistrypriv);
763 uint r8712_is_cckrates_included(u8 *rate);
764 uint r8712_is_cckratesonly_included(u8 *rate);
766 #endif /* IEEE80211_H */