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26#ifndef IEEE80211_H
27#define IEEE80211_H
28#include <linux/if_ether.h>
29#include <linux/kernel.h>
30#include <linux/wireless.h>
31
32#define IEEE80211_VERSION "git-1.1.13"
33
34#define IEEE80211_DATA_LEN 2304
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42
43#define IEEE80211_1ADDR_LEN 10
44#define IEEE80211_2ADDR_LEN 16
45#define IEEE80211_3ADDR_LEN 24
46#define IEEE80211_4ADDR_LEN 30
47#define IEEE80211_FCS_LEN 4
48#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
49#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
50
51#define MIN_FRAG_THRESHOLD 256U
52#define MAX_FRAG_THRESHOLD 2346U
53
54
55#define IEEE80211_FCTL_VERS 0x0003
56#define IEEE80211_FCTL_FTYPE 0x000c
57#define IEEE80211_FCTL_STYPE 0x00f0
58#define IEEE80211_FCTL_TODS 0x0100
59#define IEEE80211_FCTL_FROMDS 0x0200
60#define IEEE80211_FCTL_MOREFRAGS 0x0400
61#define IEEE80211_FCTL_RETRY 0x0800
62#define IEEE80211_FCTL_PM 0x1000
63#define IEEE80211_FCTL_MOREDATA 0x2000
64#define IEEE80211_FCTL_PROTECTED 0x4000
65#define IEEE80211_FCTL_ORDER 0x8000
66
67#define IEEE80211_FTYPE_MGMT 0x0000
68#define IEEE80211_FTYPE_CTL 0x0004
69#define IEEE80211_FTYPE_DATA 0x0008
70
71
72#define IEEE80211_STYPE_ASSOC_REQ 0x0000
73#define IEEE80211_STYPE_ASSOC_RESP 0x0010
74#define IEEE80211_STYPE_REASSOC_REQ 0x0020
75#define IEEE80211_STYPE_REASSOC_RESP 0x0030
76#define IEEE80211_STYPE_PROBE_REQ 0x0040
77#define IEEE80211_STYPE_PROBE_RESP 0x0050
78#define IEEE80211_STYPE_BEACON 0x0080
79#define IEEE80211_STYPE_ATIM 0x0090
80#define IEEE80211_STYPE_DISASSOC 0x00A0
81#define IEEE80211_STYPE_AUTH 0x00B0
82#define IEEE80211_STYPE_DEAUTH 0x00C0
83#define IEEE80211_STYPE_ACTION 0x00D0
84
85
86#define IEEE80211_STYPE_PSPOLL 0x00A0
87#define IEEE80211_STYPE_RTS 0x00B0
88#define IEEE80211_STYPE_CTS 0x00C0
89#define IEEE80211_STYPE_ACK 0x00D0
90#define IEEE80211_STYPE_CFEND 0x00E0
91#define IEEE80211_STYPE_CFENDACK 0x00F0
92
93
94#define IEEE80211_STYPE_DATA 0x0000
95#define IEEE80211_STYPE_DATA_CFACK 0x0010
96#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
97#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
98#define IEEE80211_STYPE_NULLFUNC 0x0040
99#define IEEE80211_STYPE_CFACK 0x0050
100#define IEEE80211_STYPE_CFPOLL 0x0060
101#define IEEE80211_STYPE_CFACKPOLL 0x0070
102#define IEEE80211_STYPE_QOS_DATA 0x0080
103
104#define IEEE80211_SCTL_FRAG 0x000F
105#define IEEE80211_SCTL_SEQ 0xFFF0
106
107
108#define IEEE80211_QCTL_TID 0x000F
109
110
111
112#ifdef CONFIG_IEEE80211_DEBUG
113extern u32 ieee80211_debug_level;
114#define IEEE80211_DEBUG(level, fmt, args...) \
115do { if (ieee80211_debug_level & (level)) \
116 printk(KERN_DEBUG "ieee80211: %c %s " fmt, \
117 in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
118static inline bool ieee80211_ratelimit_debug(u32 level)
119{
120 return (ieee80211_debug_level & level) && net_ratelimit();
121}
122#else
123#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
124static inline bool ieee80211_ratelimit_debug(u32 level)
125{
126 return false;
127}
128#endif
129
130
131
132const char *escape_essid(const char *essid, u8 essid_len);
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160#define IEEE80211_DL_INFO (1<<0)
161#define IEEE80211_DL_WX (1<<1)
162#define IEEE80211_DL_SCAN (1<<2)
163#define IEEE80211_DL_STATE (1<<3)
164#define IEEE80211_DL_MGMT (1<<4)
165#define IEEE80211_DL_FRAG (1<<5)
166#define IEEE80211_DL_DROP (1<<7)
167
168#define IEEE80211_DL_TX (1<<8)
169#define IEEE80211_DL_RX (1<<9)
170#define IEEE80211_DL_QOS (1<<31)
171
172#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
173#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
174#define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
175
176#define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a)
177#define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a)
178#define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a)
179#define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a)
180#define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a)
181#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a)
182#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a)
183#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a)
184#define IEEE80211_DEBUG_QOS(f, a...) IEEE80211_DEBUG(IEEE80211_DL_QOS, f, ## a)
185#include <linux/netdevice.h>
186#include <linux/if_arp.h>
187
188#ifndef WIRELESS_SPY
189#define WIRELESS_SPY
190#endif
191#include <net/iw_handler.h>
192
193#ifndef ETH_P_PAE
194#define ETH_P_PAE 0x888E
195#endif
196
197#define ETH_P_PREAUTH 0x88C7
198
199#ifndef ETH_P_80211_RAW
200#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
201#endif
202
203
204
205#define P80211_OUI_LEN 3
206
207struct ieee80211_snap_hdr {
208
209 u8 dsap;
210 u8 ssap;
211 u8 ctrl;
212 u8 oui[P80211_OUI_LEN];
213
214} __attribute__ ((packed));
215
216#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
217
218#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
219#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
220#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
221
222#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
223#define WLAN_GET_SEQ_SEQ(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
224
225
226#define WLAN_AUTH_OPEN 0
227#define WLAN_AUTH_SHARED_KEY 1
228#define WLAN_AUTH_LEAP 2
229
230#define WLAN_AUTH_CHALLENGE_LEN 128
231
232#define WLAN_CAPABILITY_ESS (1<<0)
233#define WLAN_CAPABILITY_IBSS (1<<1)
234#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
235#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
236#define WLAN_CAPABILITY_PRIVACY (1<<4)
237#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
238#define WLAN_CAPABILITY_PBCC (1<<6)
239#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
240#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
241#define WLAN_CAPABILITY_QOS (1<<9)
242#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
243#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
244
245
246#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
247#define WLAN_ERP_USE_PROTECTION (1<<1)
248#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
249
250
251enum ieee80211_statuscode {
252 WLAN_STATUS_SUCCESS = 0,
253 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
254 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
255 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
256 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
257 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
258 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
259 WLAN_STATUS_CHALLENGE_FAIL = 15,
260 WLAN_STATUS_AUTH_TIMEOUT = 16,
261 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
262 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
263
264 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
265 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
266 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
267
268 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
269 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
270 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
271
272 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
273 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
274
275 WLAN_STATUS_INVALID_IE = 40,
276 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
277 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
278 WLAN_STATUS_INVALID_AKMP = 43,
279 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
280 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
281 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
282};
283
284
285enum ieee80211_reasoncode {
286 WLAN_REASON_UNSPECIFIED = 1,
287 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
288 WLAN_REASON_DEAUTH_LEAVING = 3,
289 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
290 WLAN_REASON_DISASSOC_AP_BUSY = 5,
291 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
292 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
293 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
294 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
295
296 WLAN_REASON_DISASSOC_BAD_POWER = 10,
297 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
298
299 WLAN_REASON_INVALID_IE = 13,
300 WLAN_REASON_MIC_FAILURE = 14,
301 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
302 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
303 WLAN_REASON_IE_DIFFERENT = 17,
304 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
305 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
306 WLAN_REASON_INVALID_AKMP = 20,
307 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
308 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
309 WLAN_REASON_IEEE8021X_FAILED = 23,
310 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
311};
312
313
314enum ieee80211_actioncategories {
315 WLAN_ACTION_SPECTRUM_MGMT = 0,
316
317
318};
319
320
321enum ieee80211_actiondetails {
322 WLAN_ACTION_CATEGORY_MEASURE_REQUEST = 0,
323 WLAN_ACTION_CATEGORY_MEASURE_REPORT = 1,
324 WLAN_ACTION_CATEGORY_TPC_REQUEST = 2,
325 WLAN_ACTION_CATEGORY_TPC_REPORT = 3,
326 WLAN_ACTION_CATEGORY_CHANNEL_SWITCH = 4,
327
328};
329
330#define IEEE80211_STATMASK_SIGNAL (1<<0)
331#define IEEE80211_STATMASK_RSSI (1<<1)
332#define IEEE80211_STATMASK_NOISE (1<<2)
333#define IEEE80211_STATMASK_RATE (1<<3)
334#define IEEE80211_STATMASK_WEMASK 0x7
335
336#define IEEE80211_CCK_MODULATION (1<<0)
337#define IEEE80211_OFDM_MODULATION (1<<1)
338
339#define IEEE80211_24GHZ_BAND (1<<0)
340#define IEEE80211_52GHZ_BAND (1<<1)
341
342#define IEEE80211_CCK_RATE_1MB 0x02
343#define IEEE80211_CCK_RATE_2MB 0x04
344#define IEEE80211_CCK_RATE_5MB 0x0B
345#define IEEE80211_CCK_RATE_11MB 0x16
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 (1<<0)
357#define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
358#define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
359#define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
360#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
361#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
362#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
363#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
364#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
365#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
366#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
367#define IEEE80211_OFDM_RATE_54MB_MASK (1<<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
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396
397struct ieee80211_rx_stats {
398 u32 mac_time;
399 s8 rssi;
400 u8 signal;
401 u8 noise;
402 u16 rate;
403 u8 received_channel;
404 u8 control;
405 u8 mask;
406 u8 freq;
407 u16 len;
408 u64 tsf;
409 u32 beacon_time;
410};
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415
416#define IEEE80211_FRAG_CACHE_LEN 4
417
418struct ieee80211_frag_entry {
419 unsigned long first_frag_time;
420 unsigned int seq;
421 unsigned int last_frag;
422 struct sk_buff *skb;
423 u8 src_addr[ETH_ALEN];
424 u8 dst_addr[ETH_ALEN];
425};
426
427struct ieee80211_stats {
428 unsigned int tx_unicast_frames;
429 unsigned int tx_multicast_frames;
430 unsigned int tx_fragments;
431 unsigned int tx_unicast_octets;
432 unsigned int tx_multicast_octets;
433 unsigned int tx_deferred_transmissions;
434 unsigned int tx_single_retry_frames;
435 unsigned int tx_multiple_retry_frames;
436 unsigned int tx_retry_limit_exceeded;
437 unsigned int tx_discards;
438 unsigned int rx_unicast_frames;
439 unsigned int rx_multicast_frames;
440 unsigned int rx_fragments;
441 unsigned int rx_unicast_octets;
442 unsigned int rx_multicast_octets;
443 unsigned int rx_fcs_errors;
444 unsigned int rx_discards_no_buffer;
445 unsigned int tx_discards_wrong_sa;
446 unsigned int rx_discards_undecryptable;
447 unsigned int rx_message_in_msg_fragments;
448 unsigned int rx_message_in_bad_msg_fragments;
449};
450
451struct ieee80211_device;
452
453#include "ieee80211_crypt.h"
454
455#define SEC_KEY_1 (1<<0)
456#define SEC_KEY_2 (1<<1)
457#define SEC_KEY_3 (1<<2)
458#define SEC_KEY_4 (1<<3)
459#define SEC_ACTIVE_KEY (1<<4)
460#define SEC_AUTH_MODE (1<<5)
461#define SEC_UNICAST_GROUP (1<<6)
462#define SEC_LEVEL (1<<7)
463#define SEC_ENABLED (1<<8)
464#define SEC_ENCRYPT (1<<9)
465
466#define SEC_LEVEL_0 0
467#define SEC_LEVEL_1 1
468#define SEC_LEVEL_2 2
469#define SEC_LEVEL_2_CKIP 3
470#define SEC_LEVEL_3 4
471
472#define SEC_ALG_NONE 0
473#define SEC_ALG_WEP 1
474#define SEC_ALG_TKIP 2
475#define SEC_ALG_CCMP 3
476
477#define WEP_KEYS 4
478#define WEP_KEY_LEN 13
479#define SCM_KEY_LEN 32
480#define SCM_TEMPORAL_KEY_LENGTH 16
481
482struct ieee80211_security {
483 u16 active_key:2,
484 enabled:1,
485 auth_mode:2, auth_algo:4, unicast_uses_group:1, encrypt:1;
486 u8 encode_alg[WEP_KEYS];
487 u8 key_sizes[WEP_KEYS];
488 u8 keys[WEP_KEYS][SCM_KEY_LEN];
489 u8 level;
490 u16 flags;
491} __attribute__ ((packed));
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508#define BEACON_PROBE_SSID_ID_POSITION 12
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511enum ieee80211_mfie {
512 MFIE_TYPE_SSID = 0,
513 MFIE_TYPE_RATES = 1,
514 MFIE_TYPE_FH_SET = 2,
515 MFIE_TYPE_DS_SET = 3,
516 MFIE_TYPE_CF_SET = 4,
517 MFIE_TYPE_TIM = 5,
518 MFIE_TYPE_IBSS_SET = 6,
519 MFIE_TYPE_COUNTRY = 7,
520 MFIE_TYPE_HOP_PARAMS = 8,
521 MFIE_TYPE_HOP_TABLE = 9,
522 MFIE_TYPE_REQUEST = 10,
523 MFIE_TYPE_CHALLENGE = 16,
524 MFIE_TYPE_POWER_CONSTRAINT = 32,
525 MFIE_TYPE_POWER_CAPABILITY = 33,
526 MFIE_TYPE_TPC_REQUEST = 34,
527 MFIE_TYPE_TPC_REPORT = 35,
528 MFIE_TYPE_SUPP_CHANNELS = 36,
529 MFIE_TYPE_CSA = 37,
530 MFIE_TYPE_MEASURE_REQUEST = 38,
531 MFIE_TYPE_MEASURE_REPORT = 39,
532 MFIE_TYPE_QUIET = 40,
533 MFIE_TYPE_IBSS_DFS = 41,
534 MFIE_TYPE_ERP_INFO = 42,
535 MFIE_TYPE_RSN = 48,
536 MFIE_TYPE_RATES_EX = 50,
537 MFIE_TYPE_GENERIC = 221,
538 MFIE_TYPE_QOS_PARAMETER = 222,
539};
540
541
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543
544struct ieee80211_hdr {
545 __le16 frame_ctl;
546 __le16 duration_id;
547 u8 payload[0];
548} __attribute__ ((packed));
549
550struct ieee80211_hdr_1addr {
551 __le16 frame_ctl;
552 __le16 duration_id;
553 u8 addr1[ETH_ALEN];
554 u8 payload[0];
555} __attribute__ ((packed));
556
557struct ieee80211_hdr_2addr {
558 __le16 frame_ctl;
559 __le16 duration_id;
560 u8 addr1[ETH_ALEN];
561 u8 addr2[ETH_ALEN];
562 u8 payload[0];
563} __attribute__ ((packed));
564
565struct ieee80211_hdr_3addr {
566 __le16 frame_ctl;
567 __le16 duration_id;
568 u8 addr1[ETH_ALEN];
569 u8 addr2[ETH_ALEN];
570 u8 addr3[ETH_ALEN];
571 __le16 seq_ctl;
572 u8 payload[0];
573} __attribute__ ((packed));
574
575struct ieee80211_hdr_4addr {
576 __le16 frame_ctl;
577 __le16 duration_id;
578 u8 addr1[ETH_ALEN];
579 u8 addr2[ETH_ALEN];
580 u8 addr3[ETH_ALEN];
581 __le16 seq_ctl;
582 u8 addr4[ETH_ALEN];
583 u8 payload[0];
584} __attribute__ ((packed));
585
586struct ieee80211_hdr_3addrqos {
587 __le16 frame_ctl;
588 __le16 duration_id;
589 u8 addr1[ETH_ALEN];
590 u8 addr2[ETH_ALEN];
591 u8 addr3[ETH_ALEN];
592 __le16 seq_ctl;
593 u8 payload[0];
594 __le16 qos_ctl;
595} __attribute__ ((packed));
596
597struct ieee80211_hdr_4addrqos {
598 __le16 frame_ctl;
599 __le16 duration_id;
600 u8 addr1[ETH_ALEN];
601 u8 addr2[ETH_ALEN];
602 u8 addr3[ETH_ALEN];
603 __le16 seq_ctl;
604 u8 addr4[ETH_ALEN];
605 u8 payload[0];
606 __le16 qos_ctl;
607} __attribute__ ((packed));
608
609struct ieee80211_info_element {
610 u8 id;
611 u8 len;
612 u8 data[0];
613} __attribute__ ((packed));
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632struct ieee80211_auth {
633 struct ieee80211_hdr_3addr header;
634 __le16 algorithm;
635 __le16 transaction;
636 __le16 status;
637
638 struct ieee80211_info_element info_element[0];
639} __attribute__ ((packed));
640
641struct ieee80211_channel_switch {
642 u8 id;
643 u8 len;
644 u8 mode;
645 u8 channel;
646 u8 count;
647} __attribute__ ((packed));
648
649struct ieee80211_action {
650 struct ieee80211_hdr_3addr header;
651 u8 category;
652 u8 action;
653 union {
654 struct ieee80211_action_exchange {
655 u8 token;
656 struct ieee80211_info_element info_element[0];
657 } exchange;
658 struct ieee80211_channel_switch channel_switch;
659
660 } format;
661} __attribute__ ((packed));
662
663struct ieee80211_disassoc {
664 struct ieee80211_hdr_3addr header;
665 __le16 reason;
666} __attribute__ ((packed));
667
668
669#define ieee80211_deauth ieee80211_disassoc
670
671struct ieee80211_probe_request {
672 struct ieee80211_hdr_3addr header;
673
674 struct ieee80211_info_element info_element[0];
675} __attribute__ ((packed));
676
677struct ieee80211_probe_response {
678 struct ieee80211_hdr_3addr header;
679 __le32 time_stamp[2];
680 __le16 beacon_interval;
681 __le16 capability;
682
683
684 struct ieee80211_info_element info_element[0];
685} __attribute__ ((packed));
686
687
688#define ieee80211_beacon ieee80211_probe_response
689
690struct ieee80211_assoc_request {
691 struct ieee80211_hdr_3addr header;
692 __le16 capability;
693 __le16 listen_interval;
694
695 struct ieee80211_info_element info_element[0];
696} __attribute__ ((packed));
697
698struct ieee80211_reassoc_request {
699 struct ieee80211_hdr_3addr header;
700 __le16 capability;
701 __le16 listen_interval;
702 u8 current_ap[ETH_ALEN];
703 struct ieee80211_info_element info_element[0];
704} __attribute__ ((packed));
705
706struct ieee80211_assoc_response {
707 struct ieee80211_hdr_3addr header;
708 __le16 capability;
709 __le16 status;
710 __le16 aid;
711
712 struct ieee80211_info_element info_element[0];
713} __attribute__ ((packed));
714
715struct ieee80211_txb {
716 u8 nr_frags;
717 u8 encrypted;
718 u8 rts_included;
719 u8 reserved;
720 u16 frag_size;
721 u16 payload_size;
722 struct sk_buff *fragments[0];
723};
724
725
726#define MAX_SWEEP_TAB_ENTRIES 42
727#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
728
729
730
731
732#define MAX_RATES_LENGTH ((u8)12)
733#define MAX_RATES_EX_LENGTH ((u8)16)
734#define MAX_NETWORK_COUNT 128
735
736#define CRC_LENGTH 4U
737
738#define MAX_WPA_IE_LEN 64
739
740#define NETWORK_EMPTY_ESSID (1<<0)
741#define NETWORK_HAS_OFDM (1<<1)
742#define NETWORK_HAS_CCK (1<<2)
743
744
745#define NETWORK_HAS_QOS_PARAMETERS (1<<3)
746#define NETWORK_HAS_QOS_INFORMATION (1<<4)
747#define NETWORK_HAS_QOS_MASK (NETWORK_HAS_QOS_PARAMETERS | \
748 NETWORK_HAS_QOS_INFORMATION)
749
750
751#define NETWORK_HAS_POWER_CONSTRAINT (1<<5)
752#define NETWORK_HAS_CSA (1<<6)
753#define NETWORK_HAS_QUIET (1<<7)
754#define NETWORK_HAS_IBSS_DFS (1<<8)
755#define NETWORK_HAS_TPC_REPORT (1<<9)
756
757#define NETWORK_HAS_ERP_VALUE (1<<10)
758
759#define QOS_QUEUE_NUM 4
760#define QOS_OUI_LEN 3
761#define QOS_OUI_TYPE 2
762#define QOS_ELEMENT_ID 221
763#define QOS_OUI_INFO_SUB_TYPE 0
764#define QOS_OUI_PARAM_SUB_TYPE 1
765#define QOS_VERSION_1 1
766#define QOS_AIFSN_MIN_VALUE 2
767
768struct ieee80211_qos_information_element {
769 u8 elementID;
770 u8 length;
771 u8 qui[QOS_OUI_LEN];
772 u8 qui_type;
773 u8 qui_subtype;
774 u8 version;
775 u8 ac_info;
776} __attribute__ ((packed));
777
778struct ieee80211_qos_ac_parameter {
779 u8 aci_aifsn;
780 u8 ecw_min_max;
781 __le16 tx_op_limit;
782} __attribute__ ((packed));
783
784struct ieee80211_qos_parameter_info {
785 struct ieee80211_qos_information_element info_element;
786 u8 reserved;
787 struct ieee80211_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
788} __attribute__ ((packed));
789
790struct ieee80211_qos_parameters {
791 __le16 cw_min[QOS_QUEUE_NUM];
792 __le16 cw_max[QOS_QUEUE_NUM];
793 u8 aifs[QOS_QUEUE_NUM];
794 u8 flag[QOS_QUEUE_NUM];
795 __le16 tx_op_limit[QOS_QUEUE_NUM];
796} __attribute__ ((packed));
797
798struct ieee80211_qos_data {
799 struct ieee80211_qos_parameters parameters;
800 int active;
801 int supported;
802 u8 param_count;
803 u8 old_param_count;
804};
805
806struct ieee80211_tim_parameters {
807 u8 tim_count;
808 u8 tim_period;
809} __attribute__ ((packed));
810
811
812
813enum {
814 IEEE80211_BASIC_MAP_BSS = (1 << 0),
815 IEEE80211_BASIC_MAP_OFDM = (1 << 1),
816 IEEE80211_BASIC_MAP_UNIDENTIFIED = (1 << 2),
817 IEEE80211_BASIC_MAP_RADAR = (1 << 3),
818 IEEE80211_BASIC_MAP_UNMEASURED = (1 << 4),
819
820
821};
822struct ieee80211_basic_report {
823 u8 channel;
824 __le64 start_time;
825 __le16 duration;
826 u8 map;
827} __attribute__ ((packed));
828
829enum {
830
831 IEEE80211_MEASUREMENT_ENABLE = (1 << 1),
832 IEEE80211_MEASUREMENT_REQUEST = (1 << 2),
833 IEEE80211_MEASUREMENT_REPORT = (1 << 3),
834
835};
836
837enum {
838 IEEE80211_REPORT_BASIC = 0,
839 IEEE80211_REPORT_CCA = 1,
840 IEEE80211_REPORT_RPI = 2,
841
842};
843
844struct ieee80211_measurement_params {
845 u8 channel;
846 __le64 start_time;
847 __le16 duration;
848} __attribute__ ((packed));
849
850struct ieee80211_measurement_request {
851 struct ieee80211_info_element ie;
852 u8 token;
853 u8 mode;
854 u8 type;
855 struct ieee80211_measurement_params params[0];
856} __attribute__ ((packed));
857
858struct ieee80211_measurement_report {
859 struct ieee80211_info_element ie;
860 u8 token;
861 u8 mode;
862 u8 type;
863 union {
864 struct ieee80211_basic_report basic[0];
865 } u;
866} __attribute__ ((packed));
867
868struct ieee80211_tpc_report {
869 u8 transmit_power;
870 u8 link_margin;
871} __attribute__ ((packed));
872
873struct ieee80211_channel_map {
874 u8 channel;
875 u8 map;
876} __attribute__ ((packed));
877
878struct ieee80211_ibss_dfs {
879 struct ieee80211_info_element ie;
880 u8 owner[ETH_ALEN];
881 u8 recovery_interval;
882 struct ieee80211_channel_map channel_map[0];
883};
884
885struct ieee80211_csa {
886 u8 mode;
887 u8 channel;
888 u8 count;
889} __attribute__ ((packed));
890
891struct ieee80211_quiet {
892 u8 count;
893 u8 period;
894 u8 duration;
895 u8 offset;
896} __attribute__ ((packed));
897
898struct ieee80211_network {
899
900 u8 bssid[ETH_ALEN];
901 u8 channel;
902
903 u8 ssid[IW_ESSID_MAX_SIZE + 1];
904 u8 ssid_len;
905
906 struct ieee80211_qos_data qos_data;
907
908
909 struct ieee80211_rx_stats stats;
910 u16 capability;
911 u8 rates[MAX_RATES_LENGTH];
912 u8 rates_len;
913 u8 rates_ex[MAX_RATES_EX_LENGTH];
914 u8 rates_ex_len;
915 unsigned long last_scanned;
916 u8 mode;
917 u32 flags;
918 u32 last_associate;
919 u32 time_stamp[2];
920 u16 beacon_interval;
921 u16 listen_interval;
922 u16 atim_window;
923 u8 erp_value;
924 u8 wpa_ie[MAX_WPA_IE_LEN];
925 size_t wpa_ie_len;
926 u8 rsn_ie[MAX_WPA_IE_LEN];
927 size_t rsn_ie_len;
928 struct ieee80211_tim_parameters tim;
929
930
931
932
933 u8 power_constraint;
934
935
936 struct ieee80211_tpc_report tpc_report;
937
938
939
940 struct ieee80211_ibss_dfs *ibss_dfs;
941
942
943 struct ieee80211_csa csa;
944
945
946 struct ieee80211_quiet quiet;
947
948 struct list_head list;
949};
950
951enum ieee80211_state {
952 IEEE80211_UNINITIALIZED = 0,
953 IEEE80211_INITIALIZED,
954 IEEE80211_ASSOCIATING,
955 IEEE80211_ASSOCIATED,
956 IEEE80211_AUTHENTICATING,
957 IEEE80211_AUTHENTICATED,
958 IEEE80211_SHUTDOWN
959};
960
961#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
962#define DEFAULT_FTS 2346
963
964#define CFG_IEEE80211_RESERVE_FCS (1<<0)
965#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
966#define CFG_IEEE80211_RTS (1<<2)
967
968#define IEEE80211_24GHZ_MIN_CHANNEL 1
969#define IEEE80211_24GHZ_MAX_CHANNEL 14
970#define IEEE80211_24GHZ_CHANNELS (IEEE80211_24GHZ_MAX_CHANNEL - \
971 IEEE80211_24GHZ_MIN_CHANNEL + 1)
972
973#define IEEE80211_52GHZ_MIN_CHANNEL 34
974#define IEEE80211_52GHZ_MAX_CHANNEL 165
975#define IEEE80211_52GHZ_CHANNELS (IEEE80211_52GHZ_MAX_CHANNEL - \
976 IEEE80211_52GHZ_MIN_CHANNEL + 1)
977
978enum {
979 IEEE80211_CH_PASSIVE_ONLY = (1 << 0),
980 IEEE80211_CH_80211H_RULES = (1 << 1),
981 IEEE80211_CH_B_ONLY = (1 << 2),
982 IEEE80211_CH_NO_IBSS = (1 << 3),
983 IEEE80211_CH_UNIFORM_SPREADING = (1 << 4),
984 IEEE80211_CH_RADAR_DETECT = (1 << 5),
985 IEEE80211_CH_INVALID = (1 << 6),
986};
987
988struct ieee80211_channel {
989 u32 freq;
990 u8 channel;
991 u8 flags;
992 u8 max_power;
993};
994
995struct ieee80211_geo {
996 u8 name[4];
997 u8 bg_channels;
998 u8 a_channels;
999 struct ieee80211_channel bg[IEEE80211_24GHZ_CHANNELS];
1000 struct ieee80211_channel a[IEEE80211_52GHZ_CHANNELS];
1001};
1002
1003struct ieee80211_device {
1004 struct net_device *dev;
1005 struct ieee80211_security sec;
1006
1007
1008 struct net_device_stats stats;
1009 struct ieee80211_stats ieee_stats;
1010
1011 struct ieee80211_geo geo;
1012
1013
1014 struct list_head network_free_list;
1015 struct list_head network_list;
1016 struct ieee80211_network *networks;
1017 int scans;
1018 int scan_age;
1019
1020 int iw_mode;
1021 struct iw_spy_data spy_data;
1022
1023 spinlock_t lock;
1024
1025 int tx_headroom;
1026
1027 u32 config;
1028
1029
1030 int open_wep;
1031
1032 int reset_on_keychange;
1033
1034
1035
1036 int host_encrypt;
1037 int host_encrypt_msdu;
1038 int host_decrypt;
1039
1040 int host_mc_decrypt;
1041
1042
1043
1044 int host_strip_iv_icv;
1045
1046 int host_open_frag;
1047 int host_build_iv;
1048 int ieee802_1x;
1049
1050
1051 int wpa_enabled;
1052 int drop_unencrypted;
1053 int privacy_invoked;
1054 size_t wpa_ie_len;
1055 u8 *wpa_ie;
1056
1057 struct list_head crypt_deinit_list;
1058 struct ieee80211_crypt_data *crypt[WEP_KEYS];
1059 int tx_keyidx;
1060 struct timer_list crypt_deinit_timer;
1061 int crypt_quiesced;
1062
1063 int bcrx_sta_key;
1064
1065
1066
1067 struct ieee80211_frag_entry frag_cache[IEEE80211_FRAG_CACHE_LEN];
1068 unsigned int frag_next_idx;
1069 u16 fts;
1070 u16 rts;
1071
1072
1073 u8 bssid[ETH_ALEN];
1074
1075 enum ieee80211_state state;
1076
1077 int mode;
1078 int modulation;
1079 int freq_band;
1080 int abg_true;
1081
1082 int perfect_rssi;
1083 int worst_rssi;
1084
1085 u16 prev_seq_ctl;
1086
1087
1088 void (*set_security) (struct net_device * dev,
1089 struct ieee80211_security * sec);
1090 int (*hard_start_xmit) (struct ieee80211_txb * txb,
1091 struct net_device * dev, int pri);
1092 int (*reset_port) (struct net_device * dev);
1093 int (*is_queue_full) (struct net_device * dev, int pri);
1094
1095 int (*handle_management) (struct net_device * dev,
1096 struct ieee80211_network * network, u16 type);
1097 int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb);
1098
1099
1100 int (*handle_auth) (struct net_device * dev,
1101 struct ieee80211_auth * auth);
1102 int (*handle_deauth) (struct net_device * dev,
1103 struct ieee80211_deauth * auth);
1104 int (*handle_action) (struct net_device * dev,
1105 struct ieee80211_action * action,
1106 struct ieee80211_rx_stats * stats);
1107 int (*handle_disassoc) (struct net_device * dev,
1108 struct ieee80211_disassoc * assoc);
1109 int (*handle_beacon) (struct net_device * dev,
1110 struct ieee80211_beacon * beacon,
1111 struct ieee80211_network * network);
1112 int (*handle_probe_response) (struct net_device * dev,
1113 struct ieee80211_probe_response * resp,
1114 struct ieee80211_network * network);
1115 int (*handle_probe_request) (struct net_device * dev,
1116 struct ieee80211_probe_request * req,
1117 struct ieee80211_rx_stats * stats);
1118 int (*handle_assoc_response) (struct net_device * dev,
1119 struct ieee80211_assoc_response * resp,
1120 struct ieee80211_network * network);
1121
1122
1123 int (*handle_assoc_request) (struct net_device * dev);
1124 int (*handle_reassoc_request) (struct net_device * dev,
1125 struct ieee80211_reassoc_request * req);
1126
1127
1128
1129 u8 priv[0];
1130};
1131
1132#define IEEE_A (1<<0)
1133#define IEEE_B (1<<1)
1134#define IEEE_G (1<<2)
1135#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
1136
1137static inline void *ieee80211_priv(struct net_device *dev)
1138{
1139 return ((struct ieee80211_device *)netdev_priv(dev))->priv;
1140}
1141
1142static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
1143{
1144
1145 if (essid_len == 1 && essid[0] == ' ')
1146 return 1;
1147
1148
1149 while (essid_len) {
1150 essid_len--;
1151 if (essid[essid_len] != '\0')
1152 return 0;
1153 }
1154
1155 return 1;
1156}
1157
1158static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
1159 int mode)
1160{
1161
1162
1163
1164
1165
1166
1167 if ((mode & IEEE_A) &&
1168 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1169 (ieee->freq_band & IEEE80211_52GHZ_BAND))
1170 return 1;
1171
1172 if ((mode & IEEE_G) &&
1173 (ieee->modulation & IEEE80211_OFDM_MODULATION) &&
1174 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1175 return 1;
1176
1177 if ((mode & IEEE_B) &&
1178 (ieee->modulation & IEEE80211_CCK_MODULATION) &&
1179 (ieee->freq_band & IEEE80211_24GHZ_BAND))
1180 return 1;
1181
1182 return 0;
1183}
1184
1185static inline int ieee80211_get_hdrlen(u16 fc)
1186{
1187 int hdrlen = IEEE80211_3ADDR_LEN;
1188 u16 stype = WLAN_FC_GET_STYPE(fc);
1189
1190 switch (WLAN_FC_GET_TYPE(fc)) {
1191 case IEEE80211_FTYPE_DATA:
1192 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
1193 hdrlen = IEEE80211_4ADDR_LEN;
1194 if (stype & IEEE80211_STYPE_QOS_DATA)
1195 hdrlen += 2;
1196 break;
1197 case IEEE80211_FTYPE_CTL:
1198 switch (WLAN_FC_GET_STYPE(fc)) {
1199 case IEEE80211_STYPE_CTS:
1200 case IEEE80211_STYPE_ACK:
1201 hdrlen = IEEE80211_1ADDR_LEN;
1202 break;
1203 default:
1204 hdrlen = IEEE80211_2ADDR_LEN;
1205 break;
1206 }
1207 break;
1208 }
1209
1210 return hdrlen;
1211}
1212
1213static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
1214{
1215 switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {
1216 case IEEE80211_1ADDR_LEN:
1217 return ((struct ieee80211_hdr_1addr *)hdr)->payload;
1218 case IEEE80211_2ADDR_LEN:
1219 return ((struct ieee80211_hdr_2addr *)hdr)->payload;
1220 case IEEE80211_3ADDR_LEN:
1221 return ((struct ieee80211_hdr_3addr *)hdr)->payload;
1222 case IEEE80211_4ADDR_LEN:
1223 return ((struct ieee80211_hdr_4addr *)hdr)->payload;
1224 }
1225 return NULL;
1226}
1227
1228static inline int ieee80211_is_ofdm_rate(u8 rate)
1229{
1230 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1231 case IEEE80211_OFDM_RATE_6MB:
1232 case IEEE80211_OFDM_RATE_9MB:
1233 case IEEE80211_OFDM_RATE_12MB:
1234 case IEEE80211_OFDM_RATE_18MB:
1235 case IEEE80211_OFDM_RATE_24MB:
1236 case IEEE80211_OFDM_RATE_36MB:
1237 case IEEE80211_OFDM_RATE_48MB:
1238 case IEEE80211_OFDM_RATE_54MB:
1239 return 1;
1240 }
1241 return 0;
1242}
1243
1244static inline int ieee80211_is_cck_rate(u8 rate)
1245{
1246 switch (rate & ~IEEE80211_BASIC_RATE_MASK) {
1247 case IEEE80211_CCK_RATE_1MB:
1248 case IEEE80211_CCK_RATE_2MB:
1249 case IEEE80211_CCK_RATE_5MB:
1250 case IEEE80211_CCK_RATE_11MB:
1251 return 1;
1252 }
1253 return 0;
1254}
1255
1256
1257extern void free_ieee80211(struct net_device *dev);
1258extern struct net_device *alloc_ieee80211(int sizeof_priv);
1259
1260extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
1261
1262
1263extern int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev);
1264extern void ieee80211_txb_free(struct ieee80211_txb *);
1265
1266
1267extern void ieee80211_rx_any(struct ieee80211_device *ieee,
1268 struct sk_buff *skb, struct ieee80211_rx_stats *stats);
1269extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
1270 struct ieee80211_rx_stats *rx_stats);
1271
1272extern void ieee80211_rx_mgt(struct ieee80211_device *ieee,
1273 struct ieee80211_hdr_4addr *header,
1274 struct ieee80211_rx_stats *stats);
1275extern void ieee80211_network_reset(struct ieee80211_network *network);
1276
1277
1278extern const struct ieee80211_geo *ieee80211_get_geo(struct ieee80211_device
1279 *ieee);
1280extern int ieee80211_set_geo(struct ieee80211_device *ieee,
1281 const struct ieee80211_geo *geo);
1282
1283extern int ieee80211_is_valid_channel(struct ieee80211_device *ieee,
1284 u8 channel);
1285extern int ieee80211_channel_to_index(struct ieee80211_device *ieee,
1286 u8 channel);
1287extern u8 ieee80211_freq_to_channel(struct ieee80211_device *ieee, u32 freq);
1288extern u8 ieee80211_get_channel_flags(struct ieee80211_device *ieee,
1289 u8 channel);
1290extern const struct ieee80211_channel *ieee80211_get_channel(struct
1291 ieee80211_device
1292 *ieee, u8 channel);
1293extern u32 ieee80211_channel_to_freq(struct ieee80211_device * ieee,
1294 u8 channel);
1295
1296
1297extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
1298 struct iw_request_info *info,
1299 union iwreq_data *wrqu, char *key);
1300extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
1301 struct iw_request_info *info,
1302 union iwreq_data *wrqu, char *key);
1303extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
1304 struct iw_request_info *info,
1305 union iwreq_data *wrqu, char *key);
1306extern int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
1307 struct iw_request_info *info,
1308 union iwreq_data *wrqu, char *extra);
1309extern int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee,
1310 struct iw_request_info *info,
1311 union iwreq_data *wrqu, char *extra);
1312
1313static inline void ieee80211_increment_scans(struct ieee80211_device *ieee)
1314{
1315 ieee->scans++;
1316}
1317
1318static inline int ieee80211_get_scans(struct ieee80211_device *ieee)
1319{
1320 return ieee->scans;
1321}
1322
1323#endif
1324
