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Remove empty DragonFly CVS IDs.
[dragonfly.git] / sys / netproto / 802_11 / ieee80211.h
blob8a88091562816c1ce7a2727316d329d5831fdc7f
1 /*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/net80211/ieee80211.h 197413 2009-09-22 18:18:14Z rpaulo $
27 */
28 #ifndef _NET80211_IEEE80211_H_
29 #define _NET80211_IEEE80211_H_
30
31 /*
32 * 802.11 protocol definitions.
33 */
34
35 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
36 /* is 802.11 address multicast/broadcast? */
37 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
38
39 typedef uint16_t ieee80211_seq;
40
41 /* IEEE 802.11 PLCP header */
42 struct ieee80211_plcp_hdr {
43 uint16_t i_sfd;
44 uint8_t i_signal;
45 uint8_t i_service;
46 uint16_t i_length;
47 uint16_t i_crc;
48 } __packed;
49
50 #define IEEE80211_PLCP_SFD 0xF3A0
51 #define IEEE80211_PLCP_SERVICE 0x00
52 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
53 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
54 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
55 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
56 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
57
58 /*
59 * generic definitions for IEEE 802.11 frames
60 */
61 struct ieee80211_frame {
62 uint8_t i_fc[2];
63 uint8_t i_dur[2];
64 uint8_t i_addr1[IEEE80211_ADDR_LEN];
65 uint8_t i_addr2[IEEE80211_ADDR_LEN];
66 uint8_t i_addr3[IEEE80211_ADDR_LEN];
67 uint8_t i_seq[2];
68 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
69 /* see below */
70 } __packed;
71
72 struct ieee80211_qosframe {
73 uint8_t i_fc[2];
74 uint8_t i_dur[2];
75 uint8_t i_addr1[IEEE80211_ADDR_LEN];
76 uint8_t i_addr2[IEEE80211_ADDR_LEN];
77 uint8_t i_addr3[IEEE80211_ADDR_LEN];
78 uint8_t i_seq[2];
79 uint8_t i_qos[2];
80 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
81 /* see below */
82 } __packed;
83
84 struct ieee80211_qoscntl {
85 uint8_t i_qos[2];
86 };
87
88 struct ieee80211_frame_addr4 {
89 uint8_t i_fc[2];
90 uint8_t i_dur[2];
91 uint8_t i_addr1[IEEE80211_ADDR_LEN];
92 uint8_t i_addr2[IEEE80211_ADDR_LEN];
93 uint8_t i_addr3[IEEE80211_ADDR_LEN];
94 uint8_t i_seq[2];
95 uint8_t i_addr4[IEEE80211_ADDR_LEN];
96 } __packed;
97
98
99 struct ieee80211_qosframe_addr4 {
100 uint8_t i_fc[2];
101 uint8_t i_dur[2];
102 uint8_t i_addr1[IEEE80211_ADDR_LEN];
103 uint8_t i_addr2[IEEE80211_ADDR_LEN];
104 uint8_t i_addr3[IEEE80211_ADDR_LEN];
105 uint8_t i_seq[2];
106 uint8_t i_addr4[IEEE80211_ADDR_LEN];
107 uint8_t i_qos[2];
108 } __packed;
109
110 #define IEEE80211_FC0_VERSION_MASK 0x03
111 #define IEEE80211_FC0_VERSION_SHIFT 0
112 #define IEEE80211_FC0_VERSION_0 0x00
113 #define IEEE80211_FC0_TYPE_MASK 0x0c
114 #define IEEE80211_FC0_TYPE_SHIFT 2
115 #define IEEE80211_FC0_TYPE_MGT 0x00
116 #define IEEE80211_FC0_TYPE_CTL 0x04
117 #define IEEE80211_FC0_TYPE_DATA 0x08
118
119 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
120 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
121 /* for TYPE_MGT */
122 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
123 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
124 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
125 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
126 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
127 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
128 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
129 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
130 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
131 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
132 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
133 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
134 /* for TYPE_CTL */
135 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
136 #define IEEE80211_FC0_SUBTYPE_BA 0x90
137 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
138 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
139 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
140 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
141 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
142 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
143 /* for TYPE_DATA (bit combination) */
144 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
145 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
146 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
147 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
148 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
149 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
150 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
151 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
152 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
153 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
154
155 #define IEEE80211_FC1_DIR_MASK 0x03
156 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
157 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
158 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
159 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
160
161 #define IEEE80211_IS_DSTODS(wh) \
162 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
163
164 #define IEEE80211_FC1_MORE_FRAG 0x04
165 #define IEEE80211_FC1_RETRY 0x08
166 #define IEEE80211_FC1_PWR_MGT 0x10
167 #define IEEE80211_FC1_MORE_DATA 0x20
168 #define IEEE80211_FC1_WEP 0x40
169 #define IEEE80211_FC1_ORDER 0x80
170
171 #define IEEE80211_SEQ_FRAG_MASK 0x000f
172 #define IEEE80211_SEQ_FRAG_SHIFT 0
173 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
174 #define IEEE80211_SEQ_SEQ_SHIFT 4
175 #define IEEE80211_SEQ_RANGE 4096
176
177 #define IEEE80211_SEQ_ADD(seq, incr) \
178 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
179 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
180 #define IEEE80211_SEQ_SUB(a, b) \
181 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
182
183 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
184 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
185 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
186
187 #define IEEE80211_NWID_LEN 32
188 #define IEEE80211_MESHID_LEN 32
189
190 #define IEEE80211_QOS_TXOP 0x00ff
191 /* bit 8 is reserved */
192 #define IEEE80211_QOS_AMSDU 0x80
193 #define IEEE80211_QOS_AMSDU_S 7
194 #define IEEE80211_QOS_ACKPOLICY 0x60
195 #define IEEE80211_QOS_ACKPOLICY_S 5
196 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
197 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
198 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
199 #define IEEE80211_QOS_EOSP_S 4
200 #define IEEE80211_QOS_TID 0x0f
201
202 /* does frame have QoS sequence control data */
203 #define IEEE80211_QOS_HAS_SEQ(wh) \
204 (((wh)->i_fc[0] & \
205 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
206 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
207
208 /*
209 * WME/802.11e information element.
210 */
211 struct ieee80211_wme_info {
212 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
213 uint8_t wme_len; /* length in bytes */
214 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
215 uint8_t wme_type; /* OUI type */
216 uint8_t wme_subtype; /* OUI subtype */
217 uint8_t wme_version; /* spec revision */
218 uint8_t wme_info; /* QoS info */
219 } __packed;
220
221 /*
222 * WME/802.11e Tspec Element
223 */
224 struct ieee80211_wme_tspec {
225 uint8_t ts_id;
226 uint8_t ts_len;
227 uint8_t ts_oui[3];
228 uint8_t ts_oui_type;
229 uint8_t ts_oui_subtype;
230 uint8_t ts_version;
231 uint8_t ts_tsinfo[3];
232 uint8_t ts_nom_msdu[2];
233 uint8_t ts_max_msdu[2];
234 uint8_t ts_min_svc[4];
235 uint8_t ts_max_svc[4];
236 uint8_t ts_inactv_intv[4];
237 uint8_t ts_susp_intv[4];
238 uint8_t ts_start_svc[4];
239 uint8_t ts_min_rate[4];
240 uint8_t ts_mean_rate[4];
241 uint8_t ts_max_burst[4];
242 uint8_t ts_min_phy[4];
243 uint8_t ts_peak_rate[4];
244 uint8_t ts_delay[4];
245 uint8_t ts_surplus[2];
246 uint8_t ts_medium_time[2];
247 } __packed;
248
249 /*
250 * WME AC parameter field
251 */
252 struct ieee80211_wme_acparams {
253 uint8_t acp_aci_aifsn;
254 uint8_t acp_logcwminmax;
255 uint16_t acp_txop;
256 } __packed;
257
258 #define WME_NUM_AC 4 /* 4 AC categories */
259 #define WME_NUM_TID 16 /* 16 tids */
260
261 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
262 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
263 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
264 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
265 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
266 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
267 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
268 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
269 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
270 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
271
272 #define WME_AC_TO_TID(_ac) ( \
273 ((_ac) == WME_AC_VO) ? 6 : \
274 ((_ac) == WME_AC_VI) ? 5 : \
275 ((_ac) == WME_AC_BK) ? 1 : \
276 0)
277
278 #define TID_TO_WME_AC(_tid) ( \
279 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
280 ((_tid) < 3) ? WME_AC_BK : \
281 ((_tid) < 6) ? WME_AC_VI : \
282 WME_AC_VO)
283
284 /*
285 * WME Parameter Element
286 */
287 struct ieee80211_wme_param {
288 uint8_t param_id;
289 uint8_t param_len;
290 uint8_t param_oui[3];
291 uint8_t param_oui_type;
292 uint8_t param_oui_subtype;
293 uint8_t param_version;
294 uint8_t param_qosInfo;
295 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
296 uint8_t param_reserved;
297 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
298 } __packed;
299
300 /*
301 * Management Notification Frame
302 */
303 struct ieee80211_mnf {
304 uint8_t mnf_category;
305 uint8_t mnf_action;
306 uint8_t mnf_dialog;
307 uint8_t mnf_status;
308 } __packed;
309 #define MNF_SETUP_REQ 0
310 #define MNF_SETUP_RESP 1
311 #define MNF_TEARDOWN 2
312
313 /*
314 * 802.11n Management Action Frames
315 */
316 /* generic frame format */
317 struct ieee80211_action {
318 uint8_t ia_category;
319 uint8_t ia_action;
320 } __packed;
321
322 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */
323 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */
324 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */
325 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
326 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
327 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */
328
329 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
330 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
331
332 /* HT - recommended transmission channel width */
333 struct ieee80211_action_ht_txchwidth {
334 struct ieee80211_action at_header;
335 uint8_t at_chwidth;
336 } __packed;
337
338 #define IEEE80211_A_HT_TXCHWIDTH_20 0
339 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
340
341 /* HT - MIMO Power Save (NB: D2.04) */
342 struct ieee80211_action_ht_mimopowersave {
343 struct ieee80211_action am_header;
344 uint8_t am_control;
345 } __packed;
346
347 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
348 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
349 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
350 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
351 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
352 /* bits 2-7 reserved */
353
354 /* Block Ack actions */
355 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
356 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
357 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
358
359 /* Block Ack Parameter Set */
360 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
361 #define IEEE80211_BAPS_BUFSIZ_S 6
362 #define IEEE80211_BAPS_TID 0x003c /* TID */
363 #define IEEE80211_BAPS_TID_S 2
364 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
365 #define IEEE80211_BAPS_POLICY_S 1
366
367 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
368 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
369
370 /* Block Ack Sequence Control */
371 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
372 #define IEEE80211_BASEQ_START_S 4
373 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
374 #define IEEE80211_BASEQ_FRAG_S 0
375
376 /* Delayed Block Ack Parameter Set */
377 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
378 #define IEEE80211_DELBAPS_TID_S 12
379 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
380 #define IEEE80211_DELBAPS_INIT_S 11
381
382 /* BA - ADDBA request */
383 struct ieee80211_action_ba_addbarequest {
384 struct ieee80211_action rq_header;
385 uint8_t rq_dialogtoken;
386 uint16_t rq_baparamset;
387 uint16_t rq_batimeout; /* in TUs */
388 uint16_t rq_baseqctl;
389 } __packed;
390
391 /* BA - ADDBA response */
392 struct ieee80211_action_ba_addbaresponse {
393 struct ieee80211_action rs_header;
394 uint8_t rs_dialogtoken;
395 uint16_t rs_statuscode;
396 uint16_t rs_baparamset;
397 uint16_t rs_batimeout; /* in TUs */
398 } __packed;
399
400 /* BA - DELBA */
401 struct ieee80211_action_ba_delba {
402 struct ieee80211_action dl_header;
403 uint16_t dl_baparamset;
404 uint16_t dl_reasoncode;
405 } __packed;
406
407 /* BAR Control */
408 #define IEEE80211_BAR_TID 0xf000 /* TID */
409 #define IEEE80211_BAR_TID_S 12
410 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
411 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
412 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
413
414 /* BAR Starting Sequence Control */
415 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
416 #define IEEE80211_BAR_SEQ_START_S 4
417
418 struct ieee80211_ba_request {
419 uint16_t rq_barctl;
420 uint16_t rq_barseqctl;
421 } __packed;
422
423 /*
424 * Control frames.
425 */
426 struct ieee80211_frame_min {
427 uint8_t i_fc[2];
428 uint8_t i_dur[2];
429 uint8_t i_addr1[IEEE80211_ADDR_LEN];
430 uint8_t i_addr2[IEEE80211_ADDR_LEN];
431 /* FCS */
432 } __packed;
433
434 struct ieee80211_frame_rts {
435 uint8_t i_fc[2];
436 uint8_t i_dur[2];
437 uint8_t i_ra[IEEE80211_ADDR_LEN];
438 uint8_t i_ta[IEEE80211_ADDR_LEN];
439 /* FCS */
440 } __packed;
441
442 struct ieee80211_frame_cts {
443 uint8_t i_fc[2];
444 uint8_t i_dur[2];
445 uint8_t i_ra[IEEE80211_ADDR_LEN];
446 /* FCS */
447 } __packed;
448
449 struct ieee80211_frame_ack {
450 uint8_t i_fc[2];
451 uint8_t i_dur[2];
452 uint8_t i_ra[IEEE80211_ADDR_LEN];
453 /* FCS */
454 } __packed;
455
456 struct ieee80211_frame_pspoll {
457 uint8_t i_fc[2];
458 uint8_t i_aid[2];
459 uint8_t i_bssid[IEEE80211_ADDR_LEN];
460 uint8_t i_ta[IEEE80211_ADDR_LEN];
461 /* FCS */
462 } __packed;
463
464 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
465 uint8_t i_fc[2];
466 uint8_t i_dur[2]; /* should be zero */
467 uint8_t i_ra[IEEE80211_ADDR_LEN];
468 uint8_t i_bssid[IEEE80211_ADDR_LEN];
469 /* FCS */
470 } __packed;
471
472 struct ieee80211_frame_bar {
473 uint8_t i_fc[2];
474 uint8_t i_dur[2];
475 uint8_t i_ra[IEEE80211_ADDR_LEN];
476 uint8_t i_ta[IEEE80211_ADDR_LEN];
477 uint16_t i_ctl;
478 uint16_t i_seq;
479 /* FCS */
480 } __packed;
481
482 /*
483 * BEACON management packets
484 *
485 * octet timestamp[8]
486 * octet beacon interval[2]
487 * octet capability information[2]
488 * information element
489 * octet elemid
490 * octet length
491 * octet information[length]
492 */
493
494 #define IEEE80211_BEACON_INTERVAL(beacon) \
495 ((beacon)[8] | ((beacon)[9] << 8))
496 #define IEEE80211_BEACON_CAPABILITY(beacon) \
497 ((beacon)[10] | ((beacon)[11] << 8))
498
499 #define IEEE80211_CAPINFO_ESS 0x0001
500 #define IEEE80211_CAPINFO_IBSS 0x0002
501 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
502 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
503 #define IEEE80211_CAPINFO_PRIVACY 0x0010
504 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
505 #define IEEE80211_CAPINFO_PBCC 0x0040
506 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
507 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
508 /* bit 9 is reserved */
509 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
510 #define IEEE80211_CAPINFO_RSN 0x0800
511 /* bit 12 is reserved */
512 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
513 /* bits 14-15 are reserved */
514
515 #define IEEE80211_CAPINFO_BITS \
516 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
517 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
518 "\16DSSOFDM"
519
520 /*
521 * 802.11i/WPA information element (maximally sized).
522 */
523 struct ieee80211_ie_wpa {
524 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
525 uint8_t wpa_len; /* length in bytes */
526 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
527 uint8_t wpa_type; /* OUI type */
528 uint16_t wpa_version; /* spec revision */
529 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
530 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
531 uint32_t wpa_uciphers[8];/* ciphers */
532 uint16_t wpa_authselcnt; /* authentication selector cnt*/
533 uint32_t wpa_authsels[8];/* selectors */
534 uint16_t wpa_caps; /* 802.11i capabilities */
535 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
536 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
537 } __packed;
538
539 /*
540 * 802.11n HT Capability IE
541 * NB: these reflect D1.10
542 */
543 struct ieee80211_ie_htcap {
544 uint8_t hc_id; /* element ID */
545 uint8_t hc_len; /* length in bytes */
546 uint16_t hc_cap; /* HT caps (see below) */
547 uint8_t hc_param; /* HT params (see below) */
548 uint8_t hc_mcsset[16]; /* supported MCS set */
549 uint16_t hc_extcap; /* extended HT capabilities */
550 uint32_t hc_txbf; /* txbf capabilities */
551 uint8_t hc_antenna; /* antenna capabilities */
552 } __packed;
553
554 /* HT capability flags (ht_cap) */
555 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
556 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
557 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
558 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
559 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
560 /* NB: SMPS value 2 is reserved */
561 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
562 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
563 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
564 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
565 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
566 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
567 #define IEEE80211_HTCAP_RXSTBC_S 8
568 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
569 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
570 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
571 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
572 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
573 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
574 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
575 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
576 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
577 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
578 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
579
580 #define IEEE80211_HTCAP_BITS \
581 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
582 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
583 "\20LSIGTXOPPROT"
584
585 /* HT parameters (hc_param) */
586 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
587 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
588 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
589 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
590 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
591 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
592 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
593 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
594 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
595 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
596 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
597 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
598 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
599 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
600 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
601 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
602
603 /* HT extended capabilities (hc_extcap) */
604 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
605 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
606 #define IEEE80211_HTCAP_PCOTRANS_S 1
607 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
608 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
609 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
610 /* bits 3-7 reserved */
611 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
612 #define IEEE80211_HTCAP_MCSFBACK_S 8
613 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
614 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
615 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
616 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
617 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
618 /* bits 12-15 reserved */
619
620 /*
621 * 802.11n HT Information IE
622 */
623 struct ieee80211_ie_htinfo {
624 uint8_t hi_id; /* element ID */
625 uint8_t hi_len; /* length in bytes */
626 uint8_t hi_ctrlchannel; /* primary channel */
627 uint8_t hi_byte1; /* ht ie byte 1 */
628 uint8_t hi_byte2; /* ht ie byte 2 */
629 uint8_t hi_byte3; /* ht ie byte 3 */
630 uint16_t hi_byte45; /* ht ie bytes 4+5 */
631 uint8_t hi_basicmcsset[16]; /* basic MCS set */
632 } __packed;
633
634 /* byte1 */
635 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
636 #define IEEE80211_HTINFO_2NDCHAN_S 0
637 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
638 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
639 /* NB: 2 is reserved */
640 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
641 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
642 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
643 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
644 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
645 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
646 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
647 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
648 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
649 #define IEEE80211_HTINFO_SIGRAN_S 5
650 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
651 /* XXX add rest */
652
653 /* bytes 2+3 */
654 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
655 #define IEEE80211_HTINFO_OPMODE_S 0
656 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
657 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
658 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
659 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
660 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
661 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
662 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
663 /* bits 5-15 reserved */
664
665 /* bytes 4+5 */
666 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
667 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
668 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
669 #define IEEE80211_HTINFO_40MHZPHASE 0x08
670
671 /* byte5 */
672 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
673 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
674 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
675
676 /*
677 * Management information element payloads.
678 */
679
680 enum {
681 IEEE80211_ELEMID_SSID = 0,
682 IEEE80211_ELEMID_RATES = 1,
683 IEEE80211_ELEMID_FHPARMS = 2,
684 IEEE80211_ELEMID_DSPARMS = 3,
685 IEEE80211_ELEMID_CFPARMS = 4,
686 IEEE80211_ELEMID_TIM = 5,
687 IEEE80211_ELEMID_IBSSPARMS = 6,
688 IEEE80211_ELEMID_COUNTRY = 7,
689 IEEE80211_ELEMID_CHALLENGE = 16,
690 /* 17-31 reserved for challenge text extension */
691 IEEE80211_ELEMID_PWRCNSTR = 32,
692 IEEE80211_ELEMID_PWRCAP = 33,
693 IEEE80211_ELEMID_TPCREQ = 34,
694 IEEE80211_ELEMID_TPCREP = 35,
695 IEEE80211_ELEMID_SUPPCHAN = 36,
696 IEEE80211_ELEMID_CSA = 37,
697 IEEE80211_ELEMID_MEASREQ = 38,
698 IEEE80211_ELEMID_MEASREP = 39,
699 IEEE80211_ELEMID_QUIET = 40,
700 IEEE80211_ELEMID_IBSSDFS = 41,
701 IEEE80211_ELEMID_ERP = 42,
702 IEEE80211_ELEMID_HTCAP = 45,
703 IEEE80211_ELEMID_RSN = 48,
704 IEEE80211_ELEMID_XRATES = 50,
705 IEEE80211_ELEMID_HTINFO = 61,
706 IEEE80211_ELEMID_TPC = 150,
707 IEEE80211_ELEMID_CCKM = 156,
708 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
709
710 /*
711 * 802.11s IEs based on D3.03 spec and were not assigned by
712 * ANA. Beware changing them because some of them are being
713 * kept compatible with Linux.
714 */
715 IEEE80211_ELEMID_MESHCONF = 51,
716 IEEE80211_ELEMID_MESHID = 52,
717 IEEE80211_ELEMID_MESHLINK = 35,
718 IEEE80211_ELEMID_MESHCNGST = 36,
719 IEEE80211_ELEMID_MESHPEER = 55,
720 IEEE80211_ELEMID_MESHCSA = 38,
721 IEEE80211_ELEMID_MESHTIM = 39,
722 IEEE80211_ELEMID_MESHAWAKEW = 40,
723 IEEE80211_ELEMID_MESHBEACONT = 41,
724 IEEE80211_ELEMID_MESHPANN = 48,
725 IEEE80211_ELEMID_MESHRANN = 49,
726 IEEE80211_ELEMID_MESHPREQ = 68,
727 IEEE80211_ELEMID_MESHPREP = 69,
728 IEEE80211_ELEMID_MESHPERR = 70,
729 IEEE80211_ELEMID_MESHPXU = 53,
730 IEEE80211_ELEMID_MESHPXUC = 54,
731 IEEE80211_ELEMID_MESHAH = 60, /* Abbreviated Handshake */
732 };
733
734 struct ieee80211_tim_ie {
735 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
736 uint8_t tim_len;
737 uint8_t tim_count; /* DTIM count */
738 uint8_t tim_period; /* DTIM period */
739 uint8_t tim_bitctl; /* bitmap control */
740 uint8_t tim_bitmap[1]; /* variable-length bitmap */
741 } __packed;
742
743 struct ieee80211_country_ie {
744 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
745 uint8_t len;
746 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
747 struct {
748 uint8_t schan; /* starting channel */
749 uint8_t nchan; /* number channels */
750 uint8_t maxtxpwr; /* tx power cap */
751 } __packed band[1]; /* sub bands (NB: var size) */
752 } __packed;
753
754 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
755 #define IEEE80211_COUNTRY_MAX_SIZE \
756 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
757
758 /*
759 * 802.11h Channel Switch Announcement (CSA).
760 */
761 struct ieee80211_csa_ie {
762 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
763 uint8_t csa_len;
764 uint8_t csa_mode; /* Channel Switch Mode */
765 uint8_t csa_newchan; /* New Channel Number */
766 uint8_t csa_count; /* Channel Switch Count */
767 } __packed;
768
769 /*
770 * Note the min acceptable CSA count is used to guard against
771 * malicious CSA injection in station mode. Defining this value
772 * as other than 0 violates the 11h spec.
773 */
774 #define IEEE80211_CSA_COUNT_MIN 2
775 #define IEEE80211_CSA_COUNT_MAX 255
776
777 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
778 #define IEEE80211_RATE_BASIC 0x80
779 #define IEEE80211_RATE_VAL 0x7f
780
781 /* EPR information element flags */
782 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
783 #define IEEE80211_ERP_USE_PROTECTION 0x02
784 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
785
786 #define IEEE80211_ERP_BITS \
787 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
788
789 #define ATH_OUI 0x7f0300 /* Atheros OUI */
790 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
791
792 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
793 #define TDMA_OUI ATH_OUI
794 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
795
796 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
797 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
798 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
799
800 #define WPA_OUI 0xf25000
801 #define WPA_OUI_TYPE 0x01
802 #define WPA_VERSION 1 /* current supported version */
803
804 #define WPA_CSE_NULL 0x00
805 #define WPA_CSE_WEP40 0x01
806 #define WPA_CSE_TKIP 0x02
807 #define WPA_CSE_CCMP 0x04
808 #define WPA_CSE_WEP104 0x05
809
810 #define WPA_ASE_NONE 0x00
811 #define WPA_ASE_8021X_UNSPEC 0x01
812 #define WPA_ASE_8021X_PSK 0x02
813
814 #define WPS_OUI_TYPE 0x04
815
816 #define RSN_OUI 0xac0f00
817 #define RSN_VERSION 1 /* current supported version */
818
819 #define RSN_CSE_NULL 0x00
820 #define RSN_CSE_WEP40 0x01
821 #define RSN_CSE_TKIP 0x02
822 #define RSN_CSE_WRAP 0x03
823 #define RSN_CSE_CCMP 0x04
824 #define RSN_CSE_WEP104 0x05
825
826 #define RSN_ASE_NONE 0x00
827 #define RSN_ASE_8021X_UNSPEC 0x01
828 #define RSN_ASE_8021X_PSK 0x02
829
830 #define RSN_CAP_PREAUTH 0x01
831
832 #define WME_OUI 0xf25000
833 #define WME_OUI_TYPE 0x02
834 #define WME_INFO_OUI_SUBTYPE 0x00
835 #define WME_PARAM_OUI_SUBTYPE 0x01
836 #define WME_VERSION 1
837
838 /* WME stream classes */
839 #define WME_AC_BE 0 /* best effort */
840 #define WME_AC_BK 1 /* background */
841 #define WME_AC_VI 2 /* video */
842 #define WME_AC_VO 3 /* voice */
843
844 /*
845 * AUTH management packets
846 *
847 * octet algo[2]
848 * octet seq[2]
849 * octet status[2]
850 * octet chal.id
851 * octet chal.length
852 * octet chal.text[253] NB: 1-253 bytes
853 */
854
855 /* challenge length for shared key auth */
856 #define IEEE80211_CHALLENGE_LEN 128
857
858 #define IEEE80211_AUTH_ALG_OPEN 0x0000
859 #define IEEE80211_AUTH_ALG_SHARED 0x0001
860 #define IEEE80211_AUTH_ALG_LEAP 0x0080
861
862 enum {
863 IEEE80211_AUTH_OPEN_REQUEST = 1,
864 IEEE80211_AUTH_OPEN_RESPONSE = 2,
865 };
866
867 enum {
868 IEEE80211_AUTH_SHARED_REQUEST = 1,
869 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
870 IEEE80211_AUTH_SHARED_RESPONSE = 3,
871 IEEE80211_AUTH_SHARED_PASS = 4,
872 };
873
874 /*
875 * Reason and status codes.
876 *
877 * Reason codes are used in management frames to indicate why an
878 * action took place (e.g. on disassociation). Status codes are
879 * used in management frames to indicate the result of an operation.
880 *
881 * Unlisted codes are reserved
882 */
883
884 enum {
885 IEEE80211_REASON_UNSPECIFIED = 1,
886 IEEE80211_REASON_AUTH_EXPIRE = 2,
887 IEEE80211_REASON_AUTH_LEAVE = 3,
888 IEEE80211_REASON_ASSOC_EXPIRE = 4,
889 IEEE80211_REASON_ASSOC_TOOMANY = 5,
890 IEEE80211_REASON_NOT_AUTHED = 6,
891 IEEE80211_REASON_NOT_ASSOCED = 7,
892 IEEE80211_REASON_ASSOC_LEAVE = 8,
893 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
894 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
895 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
896 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
897 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
898 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
899 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
900 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
901 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
902 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
903 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
904 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
905 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
906 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
907 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
908 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
909 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
910 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
911 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
912 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
913 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
914 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
915 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
916
917 /* values not yet allocated by ANA */
918 IEEE80211_REASON_PEER_LINK_CANCELED = 2, /* 11s */
919 IEEE80211_REASON_MESH_MAX_PEERS = 3, /* 11s */
920 IEEE80211_REASON_MESH_CPVIOLATION = 4, /* 11s */
921 IEEE80211_REASON_MESH_CLOSE_RCVD = 5, /* 11s */
922 IEEE80211_REASON_MESH_MAX_RETRIES = 6, /* 11s */
923 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 7, /* 11s */
924 IEEE80211_REASON_MESH_INVALID_GTK = 8, /* 11s */
925 IEEE80211_REASON_MESH_INCONS_PARAMS = 9, /* 11s */
926 IEEE80211_REASON_MESH_INVALID_SECURITY = 10, /* 11s */
927 IEEE80211_REASON_MESH_PERR_UNSPEC = 11, /* 11s */
928 IEEE80211_REASON_MESH_PERR_NO_FI = 12, /* 11s */
929 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 13, /* 11s */
930
931 IEEE80211_STATUS_SUCCESS = 0,
932 IEEE80211_STATUS_UNSPECIFIED = 1,
933 IEEE80211_STATUS_CAPINFO = 10,
934 IEEE80211_STATUS_NOT_ASSOCED = 11,
935 IEEE80211_STATUS_OTHER = 12,
936 IEEE80211_STATUS_ALG = 13,
937 IEEE80211_STATUS_SEQUENCE = 14,
938 IEEE80211_STATUS_CHALLENGE = 15,
939 IEEE80211_STATUS_TIMEOUT = 16,
940 IEEE80211_STATUS_TOOMANY = 17,
941 IEEE80211_STATUS_BASIC_RATE = 18,
942 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
943 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
944 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
945 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
946 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
947 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
948 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
949 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
950 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
951 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
952 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
953 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
954 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
955 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
956 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
957 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
958 };
959
960 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
961 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
962 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
963 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
964 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
965 IEEE80211_WEP_KIDLEN + \
966 IEEE80211_WEP_CRCLEN)
967 #define IEEE80211_WEP_NKID 4 /* number of key ids */
968
969 /*
970 * 802.11i defines an extended IV for use with non-WEP ciphers.
971 * When the EXTIV bit is set in the key id byte an additional
972 * 4 bytes immediately follow the IV for TKIP. For CCMP the
973 * EXTIV bit is likewise set but the 8 bytes represent the
974 * CCMP header rather than IV+extended-IV.
975 */
976 #define IEEE80211_WEP_EXTIV 0x20
977 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
978 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
979
980 #define IEEE80211_CRC_LEN 4
981
982 /*
983 * Maximum acceptable MTU is:
984 * IEEE80211_MAX_LEN - WEP overhead - CRC -
985 * QoS overhead - RSN/WPA overhead
986 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
987 * mtu is Ethernet-compatible; it's set by ether_ifattach.
988 */
989 #define IEEE80211_MTU_MAX 2290
990 #define IEEE80211_MTU_MIN 32
991
992 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
993 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
994 #define IEEE80211_ACK_LEN \
995 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
996 #define IEEE80211_MIN_LEN \
997 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
998
999 /*
1000 * The 802.11 spec says at most 2007 stations may be
1001 * associated at once. For most AP's this is way more
1002 * than is feasible so we use a default of IEEE80211_AID_DEF.
1003 * This number may be overridden by the driver and/or by
1004 * user configuration but may not be less than IEEE80211_AID_MIN
1005 * (see _ieee80211.h for implementation-specific settings).
1006 */
1007 #define IEEE80211_AID_MAX 2007
1008
1009 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1010
1011 /*
1012 * RTS frame length parameters. The default is specified in
1013 * the 802.11 spec as 512; we treat it as implementation-dependent
1014 * so it's defined in ieee80211_var.h. The max may be wrong
1015 * for jumbo frames.
1016 */
1017 #define IEEE80211_RTS_MIN 1
1018 #define IEEE80211_RTS_MAX 2346
1019
1020 /*
1021 * TX fragmentation parameters. As above for RTS, we treat
1022 * default as implementation-dependent so define it elsewhere.
1023 */
1024 #define IEEE80211_FRAG_MIN 256
1025 #define IEEE80211_FRAG_MAX 2346
1026
1027 /*
1028 * Beacon interval (TU's). Min+max come from WiFi requirements.
1029 * As above, we treat default as implementation-dependent so
1030 * define it elsewhere.
1031 */
1032 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1033 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1034
1035 /*
1036 * DTIM period (beacons). Min+max are not really defined
1037 * by the protocol but we want them publicly visible so
1038 * define them here.
1039 */
1040 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1041 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1042
1043 /*
1044 * Beacon miss threshold (beacons). As for DTIM, we define
1045 * them here to be publicly visible. Note the max may be
1046 * clamped depending on device capabilities.
1047 */
1048 #define IEEE80211_HWBMISS_MIN 1
1049 #define IEEE80211_HWBMISS_MAX 255
1050
1051 /*
1052 * 802.11 frame duration definitions.
1053 */
1054
1055 struct ieee80211_duration {
1056 uint16_t d_rts_dur;
1057 uint16_t d_data_dur;
1058 uint16_t d_plcp_len;
1059 uint8_t d_residue; /* unused octets in time slot */
1060 };
1061
1062 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1063 #define IEEE80211_DUR_TU 1024
1064
1065 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1066 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1067 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1068
1069 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1070 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1071 #define IEEE80211_DUR_DS_SLOW_ACK 112
1072 #define IEEE80211_DUR_DS_FAST_ACK 56
1073 #define IEEE80211_DUR_DS_SLOW_CTS 112
1074 #define IEEE80211_DUR_DS_FAST_CTS 56
1075
1076 #define IEEE80211_DUR_DS_SLOT 20
1077 #define IEEE80211_DUR_DS_SIFS 10
1078 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1079 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1080 2 * IEEE80211_DUR_DS_SLOT)
1081 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1082 IEEE80211_DUR_DS_SLOW_ACK + \
1083 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1084 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1085 IEEE80211_DUR_DIFS)
1086
1087 #ifdef _KERNEL
1088 extern lwkt_token wlan_token;
1089 #endif
1090
1091 #endif /* _NET80211_IEEE80211_H_ */
DragonFly BSD