1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2008 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 183243 2008-09-21 22:09:18Z sam $
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/* IEEE 802.11 PLCP header */
40struct ieee80211_plcp_hdr {
41 uint16_t i_sfd;
42 uint8_t i_signal;
43 uint8_t i_service;
44 uint16_t i_length;
45 uint16_t i_crc;
46} __packed;
47
48#define IEEE80211_PLCP_SFD 0xF3A0
49#define IEEE80211_PLCP_SERVICE 0x00
50#define IEEE80211_PLCP_SERVICE_LOCKED 0x04
51#define IEEE80211_PLCL_SERVICE_PBCC 0x08
52#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
53#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
54#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
55
56/*
57 * generic definitions for IEEE 802.11 frames
58 */
59struct ieee80211_frame {
60 uint8_t i_fc[2];
61 uint8_t i_dur[2];
62 uint8_t i_addr1[IEEE80211_ADDR_LEN];
63 uint8_t i_addr2[IEEE80211_ADDR_LEN];
64 uint8_t i_addr3[IEEE80211_ADDR_LEN];
65 uint8_t i_seq[2];
66 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
67 /* see below */
68} __packed;
69
70struct ieee80211_qosframe {
71 uint8_t i_fc[2];
72 uint8_t i_dur[2];
73 uint8_t i_addr1[IEEE80211_ADDR_LEN];
74 uint8_t i_addr2[IEEE80211_ADDR_LEN];
75 uint8_t i_addr3[IEEE80211_ADDR_LEN];
76 uint8_t i_seq[2];
77 uint8_t i_qos[2];
78 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
79 /* see below */
80} __packed;
81
82struct ieee80211_qoscntl {
83 uint8_t i_qos[2];
84};
85
86struct ieee80211_frame_addr4 {
87 uint8_t i_fc[2];
88 uint8_t i_dur[2];
89 uint8_t i_addr1[IEEE80211_ADDR_LEN];
90 uint8_t i_addr2[IEEE80211_ADDR_LEN];
91 uint8_t i_addr3[IEEE80211_ADDR_LEN];
92 uint8_t i_seq[2];
93 uint8_t i_addr4[IEEE80211_ADDR_LEN];
94} __packed;
95
96
97struct ieee80211_qosframe_addr4 {
98 uint8_t i_fc[2];
99 uint8_t i_dur[2];
100 uint8_t i_addr1[IEEE80211_ADDR_LEN];
101 uint8_t i_addr2[IEEE80211_ADDR_LEN];
102 uint8_t i_addr3[IEEE80211_ADDR_LEN];
103 uint8_t i_seq[2];
104 uint8_t i_addr4[IEEE80211_ADDR_LEN];
105 uint8_t i_qos[2];
106} __packed;
107
108#define IEEE80211_FC0_VERSION_MASK 0x03
109#define IEEE80211_FC0_VERSION_SHIFT 0
110#define IEEE80211_FC0_VERSION_0 0x00
111#define IEEE80211_FC0_TYPE_MASK 0x0c
112#define IEEE80211_FC0_TYPE_SHIFT 2
113#define IEEE80211_FC0_TYPE_MGT 0x00
114#define IEEE80211_FC0_TYPE_CTL 0x04
115#define IEEE80211_FC0_TYPE_DATA 0x08
116
117#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
118#define IEEE80211_FC0_SUBTYPE_SHIFT 4
119/* for TYPE_MGT */
120#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
121#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
122#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
123#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
124#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
125#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
126#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
127#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
128#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
129#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
130#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
131#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
132/* for TYPE_CTL */
133#define IEEE80211_FC0_SUBTYPE_BAR 0x80
134#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
135#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
136#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
137#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
138#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
139#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
140/* for TYPE_DATA (bit combination) */
141#define IEEE80211_FC0_SUBTYPE_DATA 0x00
142#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
143#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
144#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
145#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
146#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
147#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
148#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
149#define IEEE80211_FC0_SUBTYPE_QOS 0x80
150#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
151
152#define IEEE80211_FC1_DIR_MASK 0x03
153#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
154#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
155#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
156#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
157
158#define IEEE80211_FC1_MORE_FRAG 0x04
159#define IEEE80211_FC1_RETRY 0x08
160#define IEEE80211_FC1_PWR_MGT 0x10
161#define IEEE80211_FC1_MORE_DATA 0x20
162#define IEEE80211_FC1_WEP 0x40
163#define IEEE80211_FC1_ORDER 0x80
164
165#define IEEE80211_SEQ_FRAG_MASK 0x000f
166#define IEEE80211_SEQ_FRAG_SHIFT 0
167#define IEEE80211_SEQ_SEQ_MASK 0xfff0
168#define IEEE80211_SEQ_SEQ_SHIFT 4
169#define IEEE80211_SEQ_RANGE 4096
170
171#define IEEE80211_SEQ_ADD(seq, incr) \
172 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
173#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
174#define IEEE80211_SEQ_SUB(a, b) \
175 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
176
177#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
178#define IEEE80211_SEQ_BA_BEFORE(a, b) \
179 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
180
181#define IEEE80211_NWID_LEN 32
182
183#define IEEE80211_QOS_TXOP 0x00ff
184/* bit 8 is reserved */
185#define IEEE80211_QOS_AMSDU 0x80
186#define IEEE80211_QOS_AMSDU_S 7
187#define IEEE80211_QOS_ACKPOLICY 0x60
188#define IEEE80211_QOS_ACKPOLICY_S 5
189#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
190#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
191#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
192#define IEEE80211_QOS_EOSP_S 4
193#define IEEE80211_QOS_TID 0x0f
194
195/* does frame have QoS sequence control data */
196#define IEEE80211_QOS_HAS_SEQ(wh) \
197 (((wh)->i_fc[0] & \
198 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
199 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
200
201/*
202 * WME/802.11e information element.
203 */
204struct ieee80211_wme_info {
205 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
206 uint8_t wme_len; /* length in bytes */
207 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
208 uint8_t wme_type; /* OUI type */
209 uint8_t wme_subtype; /* OUI subtype */
210 uint8_t wme_version; /* spec revision */
211 uint8_t wme_info; /* QoS info */
212} __packed;
213
214/*
215 * WME/802.11e Tspec Element
216 */
217struct ieee80211_wme_tspec {
218 uint8_t ts_id;
219 uint8_t ts_len;
220 uint8_t ts_oui[3];
221 uint8_t ts_oui_type;
222 uint8_t ts_oui_subtype;
223 uint8_t ts_version;
224 uint8_t ts_tsinfo[3];
225 uint8_t ts_nom_msdu[2];
226 uint8_t ts_max_msdu[2];
227 uint8_t ts_min_svc[4];
228 uint8_t ts_max_svc[4];
229 uint8_t ts_inactv_intv[4];
230 uint8_t ts_susp_intv[4];
231 uint8_t ts_start_svc[4];
232 uint8_t ts_min_rate[4];
233 uint8_t ts_mean_rate[4];
234 uint8_t ts_max_burst[4];
235 uint8_t ts_min_phy[4];
236 uint8_t ts_peak_rate[4];
237 uint8_t ts_delay[4];
238 uint8_t ts_surplus[2];
239 uint8_t ts_medium_time[2];
240} __packed;
241
242/*
243 * WME AC parameter field
244 */
245struct ieee80211_wme_acparams {
246 uint8_t acp_aci_aifsn;
247 uint8_t acp_logcwminmax;
248 uint16_t acp_txop;
249} __packed;
250
251#define WME_NUM_AC 4 /* 4 AC categories */
252#define WME_NUM_TID 16 /* 16 tids */
253
254#define WME_PARAM_ACI 0x60 /* Mask for ACI field */
255#define WME_PARAM_ACI_S 5 /* Shift for ACI field */
256#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
257#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
258#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
259#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
260#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
261#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
262#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
263#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
264
265#define WME_AC_TO_TID(_ac) ( \
266 ((_ac) == WME_AC_VO) ? 6 : \
267 ((_ac) == WME_AC_VI) ? 5 : \
268 ((_ac) == WME_AC_BK) ? 1 : \
269 0)
270
271#define TID_TO_WME_AC(_tid) ( \
272 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
273 ((_tid) < 3) ? WME_AC_BK : \
274 ((_tid) < 6) ? WME_AC_VI : \
275 WME_AC_VO)
276
277/*
278 * WME Parameter Element
279 */
280struct ieee80211_wme_param {
281 uint8_t param_id;
282 uint8_t param_len;
283 uint8_t param_oui[3];
284 uint8_t param_oui_type;
285 uint8_t param_oui_subtype;
286 uint8_t param_version;
287 uint8_t param_qosInfo;
288#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
289 uint8_t param_reserved;
290 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
291} __packed;
292
293/*
294 * Management Notification Frame
295 */
296struct ieee80211_mnf {
297 uint8_t mnf_category;
298 uint8_t mnf_action;
299 uint8_t mnf_dialog;
300 uint8_t mnf_status;
301} __packed;
302#define MNF_SETUP_REQ 0
303#define MNF_SETUP_RESP 1
304#define MNF_TEARDOWN 2
305
306/*
307 * 802.11n Management Action Frames
308 */
309/* generic frame format */
310struct ieee80211_action {
311 uint8_t ia_category;
312 uint8_t ia_action;
313} __packed;
314
315#define IEEE80211_ACTION_CAT_QOS 0 /* QoS */
316#define IEEE80211_ACTION_CAT_BA 3 /* BA */
317#define IEEE80211_ACTION_CAT_HT 7 /* HT */
318
319#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
320#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
321
322/* HT - recommended transmission channel width */
323struct ieee80211_action_ht_txchwidth {
324 struct ieee80211_action at_header;
325 uint8_t at_chwidth;
326} __packed;
327
328#define IEEE80211_A_HT_TXCHWIDTH_20 0
329#define IEEE80211_A_HT_TXCHWIDTH_2040 1
330
331/* HT - MIMO Power Save (NB: D2.04) */
332struct ieee80211_action_ht_mimopowersave {
333 struct ieee80211_action am_header;
334 uint8_t am_control;
335} __packed;
336
337#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
338#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
339#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
340#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
341#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
342/* bits 2-7 reserved */
343
344/* Block Ack actions */
345#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
346#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
347#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
348
349/* Block Ack Parameter Set */
350#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
351#define IEEE80211_BAPS_BUFSIZ_S 6
352#define IEEE80211_BAPS_TID 0x003c /* TID */
353#define IEEE80211_BAPS_TID_S 2
354#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
355#define IEEE80211_BAPS_POLICY_S 1
356
357#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
358#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
359
360/* Block Ack Sequence Control */
361#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
362#define IEEE80211_BASEQ_START_S 4
363#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
364#define IEEE80211_BASEQ_FRAG_S 0
365
366/* Delayed Block Ack Parameter Set */
367#define IEEE80211_DELBAPS_TID 0xf000 /* TID */
368#define IEEE80211_DELBAPS_TID_S 12
369#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
370#define IEEE80211_DELBAPS_INIT_S 11
371
372/* BA - ADDBA request */
373struct ieee80211_action_ba_addbarequest {
374 struct ieee80211_action rq_header;
375 uint8_t rq_dialogtoken;
376 uint16_t rq_baparamset;
377 uint16_t rq_batimeout; /* in TUs */
378 uint16_t rq_baseqctl;
379} __packed;
380
381/* BA - ADDBA response */
382struct ieee80211_action_ba_addbaresponse {
383 struct ieee80211_action rs_header;
384 uint8_t rs_dialogtoken;
385 uint16_t rs_statuscode;
386 uint16_t rs_baparamset;
387 uint16_t rs_batimeout; /* in TUs */
388} __packed;
389
390/* BA - DELBA */
391struct ieee80211_action_ba_delba {
392 struct ieee80211_action dl_header;
393 uint16_t dl_baparamset;
394 uint16_t dl_reasoncode;
395} __packed;
396
397/* BAR Control */
398#define IEEE80211_BAR_TID 0xf000 /* TID */
399#define IEEE80211_BAR_TID_S 12
400#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
401#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
402#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
403
404/* BAR Starting Sequence Control */
405#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
406#define IEEE80211_BAR_SEQ_START_S 4
407
408struct ieee80211_ba_request {
409 uint16_t rq_barctl;
410 uint16_t rq_barseqctl;
411} __packed;
412
413/*
414 * Control frames.
415 */
416struct ieee80211_frame_min {
417 uint8_t i_fc[2];
418 uint8_t i_dur[2];
419 uint8_t i_addr1[IEEE80211_ADDR_LEN];
420 uint8_t i_addr2[IEEE80211_ADDR_LEN];
421 /* FCS */
422} __packed;
423
424struct ieee80211_frame_rts {
425 uint8_t i_fc[2];
426 uint8_t i_dur[2];
427 uint8_t i_ra[IEEE80211_ADDR_LEN];
428 uint8_t i_ta[IEEE80211_ADDR_LEN];
429 /* FCS */
430} __packed;
431
432struct ieee80211_frame_cts {
433 uint8_t i_fc[2];
434 uint8_t i_dur[2];
435 uint8_t i_ra[IEEE80211_ADDR_LEN];
436 /* FCS */
437} __packed;
438
439struct ieee80211_frame_ack {
440 uint8_t i_fc[2];
441 uint8_t i_dur[2];
442 uint8_t i_ra[IEEE80211_ADDR_LEN];
443 /* FCS */
444} __packed;
445
446struct ieee80211_frame_pspoll {
447 uint8_t i_fc[2];
448 uint8_t i_aid[2];
449 uint8_t i_bssid[IEEE80211_ADDR_LEN];
450 uint8_t i_ta[IEEE80211_ADDR_LEN];
451 /* FCS */
452} __packed;
453
454struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
455 uint8_t i_fc[2];
456 uint8_t i_dur[2]; /* should be zero */
457 uint8_t i_ra[IEEE80211_ADDR_LEN];
458 uint8_t i_bssid[IEEE80211_ADDR_LEN];
459 /* FCS */
460} __packed;
461
462struct ieee80211_frame_bar {
463 uint8_t i_fc[2];
464 uint8_t i_dur[2];
465 uint8_t i_ra[IEEE80211_ADDR_LEN];
466 uint8_t i_ta[IEEE80211_ADDR_LEN];
467 uint16_t i_ctl;
468 uint16_t i_seq;
469 /* FCS */
470} __packed;
471
472/*
473 * BEACON management packets
474 *
475 * octet timestamp[8]
476 * octet beacon interval[2]
477 * octet capability information[2]
478 * information element
479 * octet elemid
480 * octet length
481 * octet information[length]
482 */
483
484#define IEEE80211_BEACON_INTERVAL(beacon) \
485 ((beacon)[8] | ((beacon)[9] << 8))
486#define IEEE80211_BEACON_CAPABILITY(beacon) \
487 ((beacon)[10] | ((beacon)[11] << 8))
488
489#define IEEE80211_CAPINFO_ESS 0x0001
490#define IEEE80211_CAPINFO_IBSS 0x0002
491#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
492#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
493#define IEEE80211_CAPINFO_PRIVACY 0x0010
494#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
495#define IEEE80211_CAPINFO_PBCC 0x0040
496#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
497#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
498/* bit 9 is reserved */
499#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
500#define IEEE80211_CAPINFO_RSN 0x0800
501/* bit 12 is reserved */
502#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
503/* bits 14-15 are reserved */
504
505/*
506 * 802.11i/WPA information element (maximally sized).
507 */
508struct ieee80211_ie_wpa {
509 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
510 uint8_t wpa_len; /* length in bytes */
511 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
512 uint8_t wpa_type; /* OUI type */
513 uint16_t wpa_version; /* spec revision */
514 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
515 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
516 uint32_t wpa_uciphers[8];/* ciphers */
517 uint16_t wpa_authselcnt; /* authentication selector cnt*/
518 uint32_t wpa_authsels[8];/* selectors */
519 uint16_t wpa_caps; /* 802.11i capabilities */
520 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
521 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
522} __packed;
523
524/*
525 * 802.11n HT Capability IE
526 * NB: these reflect D1.10
527 */
528struct ieee80211_ie_htcap {
529 uint8_t hc_id; /* element ID */
530 uint8_t hc_len; /* length in bytes */
531 uint16_t hc_cap; /* HT caps (see below) */
532 uint8_t hc_param; /* HT params (see below) */
533 uint8_t hc_mcsset[16]; /* supported MCS set */
534 uint16_t hc_extcap; /* extended HT capabilities */
535 uint32_t hc_txbf; /* txbf capabilities */
536 uint8_t hc_antenna; /* antenna capabilities */
537} __packed;
538
539/* HT capability flags (ht_cap) */
540#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
541#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
542#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
543#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
544#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
545/* NB: SMPS value 2 is reserved */
546#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
547#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
548#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
549#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
550#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
551#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
552#define IEEE80211_HTCAP_RXSTBC_S 8
553#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
554#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
555#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
556#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
557#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
558#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
559#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
560#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
561#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
562#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
563#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
564
565/* HT parameters (hc_param) */
566#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
567#define IEEE80211_HTCAP_MAXRXAMPDU_S 0
568#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
569#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
570#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
571#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
572#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
573#define IEEE80211_HTCAP_MPDUDENSITY_S 2
574#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
575#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
576#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
577#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
578#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
579#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
580#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
581#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
582
583/* HT extended capabilities (hc_extcap) */
584#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
585#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
586#define IEEE80211_HTCAP_PCOTRANS_S 1
587#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
588#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
589#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
590/* bits 3-7 reserved */
591#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
592#define IEEE80211_HTCAP_MCSFBACK_S 8
593#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
594#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
595#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
596#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
597#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
598/* bits 12-15 reserved */
599
600/*
601 * 802.11n HT Information IE
602 */
603struct ieee80211_ie_htinfo {
604 uint8_t hi_id; /* element ID */
605 uint8_t hi_len; /* length in bytes */
606 uint8_t hi_ctrlchannel; /* primary channel */
607 uint8_t hi_byte1; /* ht ie byte 1 */
608 uint8_t hi_byte2; /* ht ie byte 2 */
609 uint8_t hi_byte3; /* ht ie byte 3 */
610 uint16_t hi_byte45; /* ht ie bytes 4+5 */
611 uint8_t hi_basicmcsset[16]; /* basic MCS set */
612} __packed;
613
614/* byte1 */
615#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
616#define IEEE80211_HTINFO_2NDCHAN_S 0
617#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
618#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
619/* NB: 2 is reserved */
620#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
621#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
622#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
623#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
624#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
625#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
626#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
627#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
628#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
629#define IEEE80211_HTINFO_SIGRAN_S 5
630#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
631/* XXX add rest */
632
633/* bytes 2+3 */
634#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
635#define IEEE80211_HTINFO_OPMODE_S 0
636#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
637#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
638#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
639#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
640#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
641#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
642#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
643/* bits 5-15 reserved */
644
645/* bytes 4+5 */
646#define IEEE80211_HTINFO_2NDARYBEACON 0x01
647#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
648#define IEEE80211_HTINFO_PCO_ACTIVE 0x04
649#define IEEE80211_HTINFO_40MHZPHASE 0x08
650
651/* byte5 */
652#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
653#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
654#define IEEE80211_HTINFO_DUALPROTECTED 0x80
655
656/*
657 * Management information element payloads.
658 */
659
660enum {
661 IEEE80211_ELEMID_SSID = 0,
662 IEEE80211_ELEMID_RATES = 1,
663 IEEE80211_ELEMID_FHPARMS = 2,
664 IEEE80211_ELEMID_DSPARMS = 3,
665 IEEE80211_ELEMID_CFPARMS = 4,
666 IEEE80211_ELEMID_TIM = 5,
667 IEEE80211_ELEMID_IBSSPARMS = 6,
668 IEEE80211_ELEMID_COUNTRY = 7,
669 IEEE80211_ELEMID_CHALLENGE = 16,
670 /* 17-31 reserved for challenge text extension */
671 IEEE80211_ELEMID_PWRCNSTR = 32,
672 IEEE80211_ELEMID_PWRCAP = 33,
673 IEEE80211_ELEMID_TPCREQ = 34,
674 IEEE80211_ELEMID_TPCREP = 35,
675 IEEE80211_ELEMID_SUPPCHAN = 36,
676 IEEE80211_ELEMID_CHANSWITCHANN = 37,
677 IEEE80211_ELEMID_MEASREQ = 38,
678 IEEE80211_ELEMID_MEASREP = 39,
679 IEEE80211_ELEMID_QUIET = 40,
680 IEEE80211_ELEMID_IBSSDFS = 41,
681 IEEE80211_ELEMID_ERP = 42,
682 IEEE80211_ELEMID_HTCAP = 45,
683 IEEE80211_ELEMID_RSN = 48,
684 IEEE80211_ELEMID_XRATES = 50,
685 IEEE80211_ELEMID_HTINFO = 61,
686 IEEE80211_ELEMID_TPC = 150,
687 IEEE80211_ELEMID_CCKM = 156,
688 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
689};
690
691struct ieee80211_tim_ie {
692 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
693 uint8_t tim_len;
694 uint8_t tim_count; /* DTIM count */
695 uint8_t tim_period; /* DTIM period */
696 uint8_t tim_bitctl; /* bitmap control */
697 uint8_t tim_bitmap[1]; /* variable-length bitmap */
698} __packed;
699
700struct ieee80211_country_ie {
701 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
702 uint8_t len;
703 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
704 struct {
705 uint8_t schan; /* starting channel */
706 uint8_t nchan; /* number channels */
707 uint8_t maxtxpwr; /* tx power cap */
708 } __packed band[1]; /* sub bands (NB: var size) */
709} __packed;
710
711#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
712#define IEEE80211_COUNTRY_MAX_SIZE \
713 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
714
715/*
716 * 802.11h Channel Switch Announcement (CSA).
717 */
718struct ieee80211_csa_ie {
719 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
720 uint8_t csa_len;
721 uint8_t csa_mode; /* Channel Switch Mode */
722 uint8_t csa_newchan; /* New Channel Number */
723 uint8_t csa_count; /* Channel Switch Count */
724} __packed;
725
726/*
727 * Atheros advanced capability information element.
728 */
729struct ieee80211_ath_ie {
730 uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
731 uint8_t ath_len; /* length in bytes */
732 uint8_t ath_oui[3]; /* 0x00, 0x03, 0x7f */
733 uint8_t ath_oui_type; /* OUI type */
734 uint8_t ath_oui_subtype; /* OUI subtype */
735 uint8_t ath_version; /* spec revision */
736 uint8_t ath_capability; /* capability info */
737#define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
738#define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
739#define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
740#define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
741#define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
742#define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
743#define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
744#define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
745 uint8_t ath_defkeyix[2];
746} __packed;
747
748/* rate set entries are in .5 Mb/s units, and potentially marked as basic */
749#define IEEE80211_RATE_BASIC 0x80
750#define IEEE80211_RATE_VAL 0x7f
751
752/* EPR information element flags */
753#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
754#define IEEE80211_ERP_USE_PROTECTION 0x02
755#define IEEE80211_ERP_LONG_PREAMBLE 0x04
756
757#define ATH_OUI 0x7f0300 /* Atheros OUI */
758#define ATH_OUI_TYPE 0x01
759#define ATH_OUI_SUBTYPE 0x01
760#define ATH_OUI_VERSION 0x00
761
762#define BCM_OUI 0x4c9000 /* Broadcom OUI */
763#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
764#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
765
766#define WPA_OUI 0xf25000
767#define WPA_OUI_TYPE 0x01
768#define WPA_VERSION 1 /* current supported version */
769
770#define WPA_CSE_NULL 0x00
771#define WPA_CSE_WEP40 0x01
772#define WPA_CSE_TKIP 0x02
773#define WPA_CSE_CCMP 0x04
774#define WPA_CSE_WEP104 0x05
775
776#define WPA_ASE_NONE 0x00
777#define WPA_ASE_8021X_UNSPEC 0x01
778#define WPA_ASE_8021X_PSK 0x02
779
780#define WPS_OUI_TYPE 0x04
781
782#define RSN_OUI 0xac0f00
783#define RSN_VERSION 1 /* current supported version */
784
785#define RSN_CSE_NULL 0x00
786#define RSN_CSE_WEP40 0x01
787#define RSN_CSE_TKIP 0x02
788#define RSN_CSE_WRAP 0x03
789#define RSN_CSE_CCMP 0x04
790#define RSN_CSE_WEP104 0x05
791
792#define RSN_ASE_NONE 0x00
793#define RSN_ASE_8021X_UNSPEC 0x01
794#define RSN_ASE_8021X_PSK 0x02
795
796#define RSN_CAP_PREAUTH 0x01
797
798#define WME_OUI 0xf25000
799#define WME_OUI_TYPE 0x02
800#define WME_INFO_OUI_SUBTYPE 0x00
801#define WME_PARAM_OUI_SUBTYPE 0x01
802#define WME_VERSION 1
803
804/* WME stream classes */
805#define WME_AC_BE 0 /* best effort */
806#define WME_AC_BK 1 /* background */
807#define WME_AC_VI 2 /* video */
808#define WME_AC_VO 3 /* voice */
809
810/*
811 * AUTH management packets
812 *
813 * octet algo[2]
814 * octet seq[2]
815 * octet status[2]
816 * octet chal.id
817 * octet chal.length
818 * octet chal.text[253] NB: 1-253 bytes
819 */
820
821/* challenge length for shared key auth */
822#define IEEE80211_CHALLENGE_LEN 128
823
824#define IEEE80211_AUTH_ALG_OPEN 0x0000
825#define IEEE80211_AUTH_ALG_SHARED 0x0001
826#define IEEE80211_AUTH_ALG_LEAP 0x0080
827
828enum {
829 IEEE80211_AUTH_OPEN_REQUEST = 1,
830 IEEE80211_AUTH_OPEN_RESPONSE = 2,
831};
832
833enum {
834 IEEE80211_AUTH_SHARED_REQUEST = 1,
835 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
836 IEEE80211_AUTH_SHARED_RESPONSE = 3,
837 IEEE80211_AUTH_SHARED_PASS = 4,
838};
839
840/*
841 * Reason and status codes.
842 *
843 * Reason codes are used in management frames to indicate why an
844 * action took place (e.g. on disassociation). Status codes are
845 * used in management frames to indicate the result of an operation.
846 *
847 * Unlisted codes are reserved
848 */
849
850enum {
851 IEEE80211_REASON_UNSPECIFIED = 1,
852 IEEE80211_REASON_AUTH_EXPIRE = 2,
853 IEEE80211_REASON_AUTH_LEAVE = 3,
854 IEEE80211_REASON_ASSOC_EXPIRE = 4,
855 IEEE80211_REASON_ASSOC_TOOMANY = 5,
856 IEEE80211_REASON_NOT_AUTHED = 6,
857 IEEE80211_REASON_NOT_ASSOCED = 7,
858 IEEE80211_REASON_ASSOC_LEAVE = 8,
859 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
860 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
861 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
862 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
863 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
864 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
865 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
866 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
867 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
868 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
869 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
870 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
871 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
872 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
873 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
874 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
875 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
876 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
877 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
878 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
879 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
880 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
881 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
882
883 IEEE80211_STATUS_SUCCESS = 0,
884 IEEE80211_STATUS_UNSPECIFIED = 1,
885 IEEE80211_STATUS_CAPINFO = 10,
886 IEEE80211_STATUS_NOT_ASSOCED = 11,
887 IEEE80211_STATUS_OTHER = 12,
888 IEEE80211_STATUS_ALG = 13,
889 IEEE80211_STATUS_SEQUENCE = 14,
890 IEEE80211_STATUS_CHALLENGE = 15,
891 IEEE80211_STATUS_TIMEOUT = 16,
892 IEEE80211_STATUS_TOOMANY = 17,
893 IEEE80211_STATUS_BASIC_RATE = 18,
894 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
895 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
896 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
897 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
898 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
899 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
900 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
901 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
902 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
903 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
904 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
905 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
906 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
907 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
908 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
909};
910
911#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
912#define IEEE80211_WEP_IVLEN 3 /* 24bit */
913#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
914#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
915#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
916 IEEE80211_WEP_KIDLEN + \
917 IEEE80211_WEP_CRCLEN)
918#define IEEE80211_WEP_NKID 4 /* number of key ids */
919
920/*
921 * 802.11i defines an extended IV for use with non-WEP ciphers.
922 * When the EXTIV bit is set in the key id byte an additional
923 * 4 bytes immediately follow the IV for TKIP. For CCMP the
924 * EXTIV bit is likewise set but the 8 bytes represent the
925 * CCMP header rather than IV+extended-IV.
926 */
927#define IEEE80211_WEP_EXTIV 0x20
928#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
929#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
930
931#define IEEE80211_CRC_LEN 4
932
933/*
934 * Maximum acceptable MTU is:
935 * IEEE80211_MAX_LEN - WEP overhead - CRC -
936 * QoS overhead - RSN/WPA overhead
937 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
938 * mtu is Ethernet-compatible; it's set by ether_ifattach.
939 */
940#define IEEE80211_MTU_MAX 2290
941#define IEEE80211_MTU_MIN 32
942
943#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
944 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
945#define IEEE80211_ACK_LEN \
946 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
947#define IEEE80211_MIN_LEN \
948 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
949
950/*
951 * The 802.11 spec says at most 2007 stations may be
952 * associated at once. For most AP's this is way more
953 * than is feasible so we use a default of IEEE80211_AID_DEF.
954 * This number may be overridden by the driver and/or by
955 * user configuration but may not be less than IEEE80211_AID_MIN
956 * (see _ieee80211.h for implementation-specific settings).
957 */
958#define IEEE80211_AID_MAX 2007
959
960#define IEEE80211_AID(b) ((b) &~ 0xc000)
961
962/*
963 * RTS frame length parameters. The default is specified in
964 * the 802.11 spec as 512; we treat it as implementation-dependent
965 * so it's defined in ieee80211_var.h. The max may be wrong
966 * for jumbo frames.
967 */
968#define IEEE80211_RTS_MIN 1
969#define IEEE80211_RTS_MAX 2346
970
971/*
972 * TX fragmentation parameters. As above for RTS, we treat
973 * default as implementation-dependent so define it elsewhere.
974 */
975#define IEEE80211_FRAG_MIN 256
976#define IEEE80211_FRAG_MAX 2346
977
978/*
979 * Beacon interval (TU's). Min+max come from WiFi requirements.
980 * As above, we treat default as implementation-dependent so
981 * define it elsewhere.
982 */
983#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
984#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
985
986/*
987 * DTIM period (beacons). Min+max are not really defined
988 * by the protocol but we want them publicly visible so
989 * define them here.
990 */
991#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
992#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
993
994/*
995 * Beacon miss threshold (beacons). As for DTIM, we define
996 * them here to be publicly visible. Note the max may be
997 * clamped depending on device capabilities.
998 */
999#define IEEE80211_HWBMISS_MIN 1
1000#define IEEE80211_HWBMISS_MAX 255
1001
1002/*
1003 * 802.11 frame duration definitions.
1004 */
1005
1006struct ieee80211_duration {
1007 uint16_t d_rts_dur;
1008 uint16_t d_data_dur;
1009 uint16_t d_plcp_len;
1010 uint8_t d_residue; /* unused octets in time slot */
1011};
1012
1013/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1014#define IEEE80211_DUR_TU 1024
1015
1016/* IEEE 802.11b durations for DSSS PHY in microseconds */
1017#define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1018#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1019
1020#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1021#define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1022#define IEEE80211_DUR_DS_SLOW_ACK 112
1023#define IEEE80211_DUR_DS_FAST_ACK 56
1024#define IEEE80211_DUR_DS_SLOW_CTS 112
1025#define IEEE80211_DUR_DS_FAST_CTS 56
1026
1027#define IEEE80211_DUR_DS_SLOT 20
1028#define IEEE80211_DUR_DS_SIFS 10
1029#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1030#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1031 2 * IEEE80211_DUR_DS_SLOT)
1032#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1033 IEEE80211_DUR_DS_SLOW_ACK + \
1034 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1035 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1036 IEEE80211_DUR_DIFS)
1037
1038/*
1039 * Atheros fast-frame encapsulation format.
1040 * FF max payload:
1041 * 802.2 + FFHDR + HPAD + 802.3 + 802.2 + 1500 + SPAD + 802.3 + 802.2 + 1500:
1042 * 8 + 4 + 4 + 14 + 8 + 1500 + 6 + 14 + 8 + 1500
1043 * = 3066
1044 */
1045/* fast frame header is 32-bits */
1046#define ATH_FF_PROTO 0x0000003f /* protocol */
1047#define ATH_FF_PROTO_S 0
1048#define ATH_FF_FTYPE 0x000000c0 /* frame type */
1049#define ATH_FF_FTYPE_S 6
1050#define ATH_FF_HLEN32 0x00000300 /* optional hdr length */
1051#define ATH_FF_HLEN32_S 8
1052#define ATH_FF_SEQNUM 0x001ffc00 /* sequence number */
1053#define ATH_FF_SEQNUM_S 10
1054#define ATH_FF_OFFSET 0xffe00000 /* offset to 2nd payload */
1055#define ATH_FF_OFFSET_S 21
1056
1057#define ATH_FF_MAX_HDR_PAD 4
1058#define ATH_FF_MAX_SEP_PAD 6
1059#define ATH_FF_MAX_HDR 30
1060
1061#define ATH_FF_PROTO_L2TUNNEL 0 /* L2 tunnel protocol */
1062#define ATH_FF_ETH_TYPE 0x88bd /* Ether type for encapsulated frames */
1063#define ATH_FF_SNAP_ORGCODE_0 0x00
1064#define ATH_FF_SNAP_ORGCODE_1 0x03
1065#define ATH_FF_SNAP_ORGCODE_2 0x7f
1066
1067#endif /* _NET80211_IEEE80211_H_ */
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2008 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 183243 2008-09-21 22:09:18Z sam $
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/* IEEE 802.11 PLCP header */
40struct ieee80211_plcp_hdr {
41 uint16_t i_sfd;
42 uint8_t i_signal;
43 uint8_t i_service;
44 uint16_t i_length;
45 uint16_t i_crc;
46} __packed;
47
48#define IEEE80211_PLCP_SFD 0xF3A0
49#define IEEE80211_PLCP_SERVICE 0x00
50#define IEEE80211_PLCP_SERVICE_LOCKED 0x04
51#define IEEE80211_PLCL_SERVICE_PBCC 0x08
52#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
53#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
54#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
55
56/*
57 * generic definitions for IEEE 802.11 frames
58 */
59struct ieee80211_frame {
60 uint8_t i_fc[2];
61 uint8_t i_dur[2];
62 uint8_t i_addr1[IEEE80211_ADDR_LEN];
63 uint8_t i_addr2[IEEE80211_ADDR_LEN];
64 uint8_t i_addr3[IEEE80211_ADDR_LEN];
65 uint8_t i_seq[2];
66 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
67 /* see below */
68} __packed;
69
70struct ieee80211_qosframe {
71 uint8_t i_fc[2];
72 uint8_t i_dur[2];
73 uint8_t i_addr1[IEEE80211_ADDR_LEN];
74 uint8_t i_addr2[IEEE80211_ADDR_LEN];
75 uint8_t i_addr3[IEEE80211_ADDR_LEN];
76 uint8_t i_seq[2];
77 uint8_t i_qos[2];
78 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
79 /* see below */
80} __packed;
81
82struct ieee80211_qoscntl {
83 uint8_t i_qos[2];
84};
85
86struct ieee80211_frame_addr4 {
87 uint8_t i_fc[2];
88 uint8_t i_dur[2];
89 uint8_t i_addr1[IEEE80211_ADDR_LEN];
90 uint8_t i_addr2[IEEE80211_ADDR_LEN];
91 uint8_t i_addr3[IEEE80211_ADDR_LEN];
92 uint8_t i_seq[2];
93 uint8_t i_addr4[IEEE80211_ADDR_LEN];
94} __packed;
95
96
97struct ieee80211_qosframe_addr4 {
98 uint8_t i_fc[2];
99 uint8_t i_dur[2];
100 uint8_t i_addr1[IEEE80211_ADDR_LEN];
101 uint8_t i_addr2[IEEE80211_ADDR_LEN];
102 uint8_t i_addr3[IEEE80211_ADDR_LEN];
103 uint8_t i_seq[2];
104 uint8_t i_addr4[IEEE80211_ADDR_LEN];
105 uint8_t i_qos[2];
106} __packed;
107
108#define IEEE80211_FC0_VERSION_MASK 0x03
109#define IEEE80211_FC0_VERSION_SHIFT 0
110#define IEEE80211_FC0_VERSION_0 0x00
111#define IEEE80211_FC0_TYPE_MASK 0x0c
112#define IEEE80211_FC0_TYPE_SHIFT 2
113#define IEEE80211_FC0_TYPE_MGT 0x00
114#define IEEE80211_FC0_TYPE_CTL 0x04
115#define IEEE80211_FC0_TYPE_DATA 0x08
116
117#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
118#define IEEE80211_FC0_SUBTYPE_SHIFT 4
119/* for TYPE_MGT */
120#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
121#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
122#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
123#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
124#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
125#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
126#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
127#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
128#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
129#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
130#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
131#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
132/* for TYPE_CTL */
133#define IEEE80211_FC0_SUBTYPE_BAR 0x80
134#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
135#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
136#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
137#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
138#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
139#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
140/* for TYPE_DATA (bit combination) */
141#define IEEE80211_FC0_SUBTYPE_DATA 0x00
142#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
143#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
144#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
145#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
146#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
147#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
148#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
149#define IEEE80211_FC0_SUBTYPE_QOS 0x80
150#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
151
152#define IEEE80211_FC1_DIR_MASK 0x03
153#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
154#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
155#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
156#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
157
158#define IEEE80211_FC1_MORE_FRAG 0x04
159#define IEEE80211_FC1_RETRY 0x08
160#define IEEE80211_FC1_PWR_MGT 0x10
161#define IEEE80211_FC1_MORE_DATA 0x20
162#define IEEE80211_FC1_WEP 0x40
163#define IEEE80211_FC1_ORDER 0x80
164
165#define IEEE80211_SEQ_FRAG_MASK 0x000f
166#define IEEE80211_SEQ_FRAG_SHIFT 0
167#define IEEE80211_SEQ_SEQ_MASK 0xfff0
168#define IEEE80211_SEQ_SEQ_SHIFT 4
169#define IEEE80211_SEQ_RANGE 4096
170
171#define IEEE80211_SEQ_ADD(seq, incr) \
172 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
173#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
174#define IEEE80211_SEQ_SUB(a, b) \
175 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
176
177#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
178#define IEEE80211_SEQ_BA_BEFORE(a, b) \
179 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
180
181#define IEEE80211_NWID_LEN 32
182
183#define IEEE80211_QOS_TXOP 0x00ff
184/* bit 8 is reserved */
185#define IEEE80211_QOS_AMSDU 0x80
186#define IEEE80211_QOS_AMSDU_S 7
187#define IEEE80211_QOS_ACKPOLICY 0x60
188#define IEEE80211_QOS_ACKPOLICY_S 5
189#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
190#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
191#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
192#define IEEE80211_QOS_EOSP_S 4
193#define IEEE80211_QOS_TID 0x0f
194
195/* does frame have QoS sequence control data */
196#define IEEE80211_QOS_HAS_SEQ(wh) \
197 (((wh)->i_fc[0] & \
198 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
199 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
200
201/*
202 * WME/802.11e information element.
203 */
204struct ieee80211_wme_info {
205 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
206 uint8_t wme_len; /* length in bytes */
207 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
208 uint8_t wme_type; /* OUI type */
209 uint8_t wme_subtype; /* OUI subtype */
210 uint8_t wme_version; /* spec revision */
211 uint8_t wme_info; /* QoS info */
212} __packed;
213
214/*
215 * WME/802.11e Tspec Element
216 */
217struct ieee80211_wme_tspec {
218 uint8_t ts_id;
219 uint8_t ts_len;
220 uint8_t ts_oui[3];
221 uint8_t ts_oui_type;
222 uint8_t ts_oui_subtype;
223 uint8_t ts_version;
224 uint8_t ts_tsinfo[3];
225 uint8_t ts_nom_msdu[2];
226 uint8_t ts_max_msdu[2];
227 uint8_t ts_min_svc[4];
228 uint8_t ts_max_svc[4];
229 uint8_t ts_inactv_intv[4];
230 uint8_t ts_susp_intv[4];
231 uint8_t ts_start_svc[4];
232 uint8_t ts_min_rate[4];
233 uint8_t ts_mean_rate[4];
234 uint8_t ts_max_burst[4];
235 uint8_t ts_min_phy[4];
236 uint8_t ts_peak_rate[4];
237 uint8_t ts_delay[4];
238 uint8_t ts_surplus[2];
239 uint8_t ts_medium_time[2];
240} __packed;
241
242/*
243 * WME AC parameter field
244 */
245struct ieee80211_wme_acparams {
246 uint8_t acp_aci_aifsn;
247 uint8_t acp_logcwminmax;
248 uint16_t acp_txop;
249} __packed;
250
251#define WME_NUM_AC 4 /* 4 AC categories */
252#define WME_NUM_TID 16 /* 16 tids */
253
254#define WME_PARAM_ACI 0x60 /* Mask for ACI field */
255#define WME_PARAM_ACI_S 5 /* Shift for ACI field */
256#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
257#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
258#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
259#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
260#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
261#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
262#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
263#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
264
265#define WME_AC_TO_TID(_ac) ( \
266 ((_ac) == WME_AC_VO) ? 6 : \
267 ((_ac) == WME_AC_VI) ? 5 : \
268 ((_ac) == WME_AC_BK) ? 1 : \
269 0)
270
271#define TID_TO_WME_AC(_tid) ( \
272 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
273 ((_tid) < 3) ? WME_AC_BK : \
274 ((_tid) < 6) ? WME_AC_VI : \
275 WME_AC_VO)
276
277/*
278 * WME Parameter Element
279 */
280struct ieee80211_wme_param {
281 uint8_t param_id;
282 uint8_t param_len;
283 uint8_t param_oui[3];
284 uint8_t param_oui_type;
285 uint8_t param_oui_subtype;
286 uint8_t param_version;
287 uint8_t param_qosInfo;
288#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
289 uint8_t param_reserved;
290 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
291} __packed;
292
293/*
294 * Management Notification Frame
295 */
296struct ieee80211_mnf {
297 uint8_t mnf_category;
298 uint8_t mnf_action;
299 uint8_t mnf_dialog;
300 uint8_t mnf_status;
301} __packed;
302#define MNF_SETUP_REQ 0
303#define MNF_SETUP_RESP 1
304#define MNF_TEARDOWN 2
305
306/*
307 * 802.11n Management Action Frames
308 */
309/* generic frame format */
310struct ieee80211_action {
311 uint8_t ia_category;
312 uint8_t ia_action;
313} __packed;
314
315#define IEEE80211_ACTION_CAT_QOS 0 /* QoS */
316#define IEEE80211_ACTION_CAT_BA 3 /* BA */
317#define IEEE80211_ACTION_CAT_HT 7 /* HT */
318
319#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
320#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
321
322/* HT - recommended transmission channel width */
323struct ieee80211_action_ht_txchwidth {
324 struct ieee80211_action at_header;
325 uint8_t at_chwidth;
326} __packed;
327
328#define IEEE80211_A_HT_TXCHWIDTH_20 0
329#define IEEE80211_A_HT_TXCHWIDTH_2040 1
330
331/* HT - MIMO Power Save (NB: D2.04) */
332struct ieee80211_action_ht_mimopowersave {
333 struct ieee80211_action am_header;
334 uint8_t am_control;
335} __packed;
336
337#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
338#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
339#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
340#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
341#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
342/* bits 2-7 reserved */
343
344/* Block Ack actions */
345#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
346#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
347#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
348
349/* Block Ack Parameter Set */
350#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
351#define IEEE80211_BAPS_BUFSIZ_S 6
352#define IEEE80211_BAPS_TID 0x003c /* TID */
353#define IEEE80211_BAPS_TID_S 2
354#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
355#define IEEE80211_BAPS_POLICY_S 1
356
357#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
358#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
359
360/* Block Ack Sequence Control */
361#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
362#define IEEE80211_BASEQ_START_S 4
363#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
364#define IEEE80211_BASEQ_FRAG_S 0
365
366/* Delayed Block Ack Parameter Set */
367#define IEEE80211_DELBAPS_TID 0xf000 /* TID */
368#define IEEE80211_DELBAPS_TID_S 12
369#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
370#define IEEE80211_DELBAPS_INIT_S 11
371
372/* BA - ADDBA request */
373struct ieee80211_action_ba_addbarequest {
374 struct ieee80211_action rq_header;
375 uint8_t rq_dialogtoken;
376 uint16_t rq_baparamset;
377 uint16_t rq_batimeout; /* in TUs */
378 uint16_t rq_baseqctl;
379} __packed;
380
381/* BA - ADDBA response */
382struct ieee80211_action_ba_addbaresponse {
383 struct ieee80211_action rs_header;
384 uint8_t rs_dialogtoken;
385 uint16_t rs_statuscode;
386 uint16_t rs_baparamset;
387 uint16_t rs_batimeout; /* in TUs */
388} __packed;
389
390/* BA - DELBA */
391struct ieee80211_action_ba_delba {
392 struct ieee80211_action dl_header;
393 uint16_t dl_baparamset;
394 uint16_t dl_reasoncode;
395} __packed;
396
397/* BAR Control */
398#define IEEE80211_BAR_TID 0xf000 /* TID */
399#define IEEE80211_BAR_TID_S 12
400#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
401#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
402#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
403
404/* BAR Starting Sequence Control */
405#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
406#define IEEE80211_BAR_SEQ_START_S 4
407
408struct ieee80211_ba_request {
409 uint16_t rq_barctl;
410 uint16_t rq_barseqctl;
411} __packed;
412
413/*
414 * Control frames.
415 */
416struct ieee80211_frame_min {
417 uint8_t i_fc[2];
418 uint8_t i_dur[2];
419 uint8_t i_addr1[IEEE80211_ADDR_LEN];
420 uint8_t i_addr2[IEEE80211_ADDR_LEN];
421 /* FCS */
422} __packed;
423
424struct ieee80211_frame_rts {
425 uint8_t i_fc[2];
426 uint8_t i_dur[2];
427 uint8_t i_ra[IEEE80211_ADDR_LEN];
428 uint8_t i_ta[IEEE80211_ADDR_LEN];
429 /* FCS */
430} __packed;
431
432struct ieee80211_frame_cts {
433 uint8_t i_fc[2];
434 uint8_t i_dur[2];
435 uint8_t i_ra[IEEE80211_ADDR_LEN];
436 /* FCS */
437} __packed;
438
439struct ieee80211_frame_ack {
440 uint8_t i_fc[2];
441 uint8_t i_dur[2];
442 uint8_t i_ra[IEEE80211_ADDR_LEN];
443 /* FCS */
444} __packed;
445
446struct ieee80211_frame_pspoll {
447 uint8_t i_fc[2];
448 uint8_t i_aid[2];
449 uint8_t i_bssid[IEEE80211_ADDR_LEN];
450 uint8_t i_ta[IEEE80211_ADDR_LEN];
451 /* FCS */
452} __packed;
453
454struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
455 uint8_t i_fc[2];
456 uint8_t i_dur[2]; /* should be zero */
457 uint8_t i_ra[IEEE80211_ADDR_LEN];
458 uint8_t i_bssid[IEEE80211_ADDR_LEN];
459 /* FCS */
460} __packed;
461
462struct ieee80211_frame_bar {
463 uint8_t i_fc[2];
464 uint8_t i_dur[2];
465 uint8_t i_ra[IEEE80211_ADDR_LEN];
466 uint8_t i_ta[IEEE80211_ADDR_LEN];
467 uint16_t i_ctl;
468 uint16_t i_seq;
469 /* FCS */
470} __packed;
471
472/*
473 * BEACON management packets
474 *
475 * octet timestamp[8]
476 * octet beacon interval[2]
477 * octet capability information[2]
478 * information element
479 * octet elemid
480 * octet length
481 * octet information[length]
482 */
483
484#define IEEE80211_BEACON_INTERVAL(beacon) \
485 ((beacon)[8] | ((beacon)[9] << 8))
486#define IEEE80211_BEACON_CAPABILITY(beacon) \
487 ((beacon)[10] | ((beacon)[11] << 8))
488
489#define IEEE80211_CAPINFO_ESS 0x0001
490#define IEEE80211_CAPINFO_IBSS 0x0002
491#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
492#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
493#define IEEE80211_CAPINFO_PRIVACY 0x0010
494#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
495#define IEEE80211_CAPINFO_PBCC 0x0040
496#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
497#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
498/* bit 9 is reserved */
499#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
500#define IEEE80211_CAPINFO_RSN 0x0800
501/* bit 12 is reserved */
502#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
503/* bits 14-15 are reserved */
504
505/*
506 * 802.11i/WPA information element (maximally sized).
507 */
508struct ieee80211_ie_wpa {
509 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
510 uint8_t wpa_len; /* length in bytes */
511 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
512 uint8_t wpa_type; /* OUI type */
513 uint16_t wpa_version; /* spec revision */
514 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
515 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
516 uint32_t wpa_uciphers[8];/* ciphers */
517 uint16_t wpa_authselcnt; /* authentication selector cnt*/
518 uint32_t wpa_authsels[8];/* selectors */
519 uint16_t wpa_caps; /* 802.11i capabilities */
520 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
521 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
522} __packed;
523
524/*
525 * 802.11n HT Capability IE
526 * NB: these reflect D1.10
527 */
528struct ieee80211_ie_htcap {
529 uint8_t hc_id; /* element ID */
530 uint8_t hc_len; /* length in bytes */
531 uint16_t hc_cap; /* HT caps (see below) */
532 uint8_t hc_param; /* HT params (see below) */
533 uint8_t hc_mcsset[16]; /* supported MCS set */
534 uint16_t hc_extcap; /* extended HT capabilities */
535 uint32_t hc_txbf; /* txbf capabilities */
536 uint8_t hc_antenna; /* antenna capabilities */
537} __packed;
538
539/* HT capability flags (ht_cap) */
540#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
541#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
542#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
543#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
544#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
545/* NB: SMPS value 2 is reserved */
546#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
547#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
548#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
549#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
550#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
551#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
552#define IEEE80211_HTCAP_RXSTBC_S 8
553#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
554#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
555#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
556#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
557#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
558#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
559#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
560#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
561#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
562#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
563#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
564
565/* HT parameters (hc_param) */
566#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
567#define IEEE80211_HTCAP_MAXRXAMPDU_S 0
568#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
569#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
570#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
571#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
572#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
573#define IEEE80211_HTCAP_MPDUDENSITY_S 2
574#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
575#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
576#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
577#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
578#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
579#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
580#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
581#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
582
583/* HT extended capabilities (hc_extcap) */
584#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
585#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
586#define IEEE80211_HTCAP_PCOTRANS_S 1
587#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
588#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
589#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
590/* bits 3-7 reserved */
591#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
592#define IEEE80211_HTCAP_MCSFBACK_S 8
593#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
594#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
595#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
596#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
597#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
598/* bits 12-15 reserved */
599
600/*
601 * 802.11n HT Information IE
602 */
603struct ieee80211_ie_htinfo {
604 uint8_t hi_id; /* element ID */
605 uint8_t hi_len; /* length in bytes */
606 uint8_t hi_ctrlchannel; /* primary channel */
607 uint8_t hi_byte1; /* ht ie byte 1 */
608 uint8_t hi_byte2; /* ht ie byte 2 */
609 uint8_t hi_byte3; /* ht ie byte 3 */
610 uint16_t hi_byte45; /* ht ie bytes 4+5 */
611 uint8_t hi_basicmcsset[16]; /* basic MCS set */
612} __packed;
613
614/* byte1 */
615#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
616#define IEEE80211_HTINFO_2NDCHAN_S 0
617#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
618#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
619/* NB: 2 is reserved */
620#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
621#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
622#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
623#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
624#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
625#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
626#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
627#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
628#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
629#define IEEE80211_HTINFO_SIGRAN_S 5
630#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
631/* XXX add rest */
632
633/* bytes 2+3 */
634#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
635#define IEEE80211_HTINFO_OPMODE_S 0
636#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
637#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
638#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
639#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
640#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
641#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
642#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
643/* bits 5-15 reserved */
644
645/* bytes 4+5 */
646#define IEEE80211_HTINFO_2NDARYBEACON 0x01
647#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
648#define IEEE80211_HTINFO_PCO_ACTIVE 0x04
649#define IEEE80211_HTINFO_40MHZPHASE 0x08
650
651/* byte5 */
652#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
653#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
654#define IEEE80211_HTINFO_DUALPROTECTED 0x80
655
656/*
657 * Management information element payloads.
658 */
659
660enum {
661 IEEE80211_ELEMID_SSID = 0,
662 IEEE80211_ELEMID_RATES = 1,
663 IEEE80211_ELEMID_FHPARMS = 2,
664 IEEE80211_ELEMID_DSPARMS = 3,
665 IEEE80211_ELEMID_CFPARMS = 4,
666 IEEE80211_ELEMID_TIM = 5,
667 IEEE80211_ELEMID_IBSSPARMS = 6,
668 IEEE80211_ELEMID_COUNTRY = 7,
669 IEEE80211_ELEMID_CHALLENGE = 16,
670 /* 17-31 reserved for challenge text extension */
671 IEEE80211_ELEMID_PWRCNSTR = 32,
672 IEEE80211_ELEMID_PWRCAP = 33,
673 IEEE80211_ELEMID_TPCREQ = 34,
674 IEEE80211_ELEMID_TPCREP = 35,
675 IEEE80211_ELEMID_SUPPCHAN = 36,
676 IEEE80211_ELEMID_CHANSWITCHANN = 37,
677 IEEE80211_ELEMID_MEASREQ = 38,
678 IEEE80211_ELEMID_MEASREP = 39,
679 IEEE80211_ELEMID_QUIET = 40,
680 IEEE80211_ELEMID_IBSSDFS = 41,
681 IEEE80211_ELEMID_ERP = 42,
682 IEEE80211_ELEMID_HTCAP = 45,
683 IEEE80211_ELEMID_RSN = 48,
684 IEEE80211_ELEMID_XRATES = 50,
685 IEEE80211_ELEMID_HTINFO = 61,
686 IEEE80211_ELEMID_TPC = 150,
687 IEEE80211_ELEMID_CCKM = 156,
688 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
689};
690
691struct ieee80211_tim_ie {
692 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
693 uint8_t tim_len;
694 uint8_t tim_count; /* DTIM count */
695 uint8_t tim_period; /* DTIM period */
696 uint8_t tim_bitctl; /* bitmap control */
697 uint8_t tim_bitmap[1]; /* variable-length bitmap */
698} __packed;
699
700struct ieee80211_country_ie {
701 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
702 uint8_t len;
703 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
704 struct {
705 uint8_t schan; /* starting channel */
706 uint8_t nchan; /* number channels */
707 uint8_t maxtxpwr; /* tx power cap */
708 } __packed band[1]; /* sub bands (NB: var size) */
709} __packed;
710
711#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
712#define IEEE80211_COUNTRY_MAX_SIZE \
713 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
714
715/*
716 * 802.11h Channel Switch Announcement (CSA).
717 */
718struct ieee80211_csa_ie {
719 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
720 uint8_t csa_len;
721 uint8_t csa_mode; /* Channel Switch Mode */
722 uint8_t csa_newchan; /* New Channel Number */
723 uint8_t csa_count; /* Channel Switch Count */
724} __packed;
725
726/*
727 * Atheros advanced capability information element.
728 */
729struct ieee80211_ath_ie {
730 uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
731 uint8_t ath_len; /* length in bytes */
732 uint8_t ath_oui[3]; /* 0x00, 0x03, 0x7f */
733 uint8_t ath_oui_type; /* OUI type */
734 uint8_t ath_oui_subtype; /* OUI subtype */
735 uint8_t ath_version; /* spec revision */
736 uint8_t ath_capability; /* capability info */
737#define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
738#define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
739#define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
740#define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
741#define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
742#define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
743#define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
744#define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
745 uint8_t ath_defkeyix[2];
746} __packed;
747
748/* rate set entries are in .5 Mb/s units, and potentially marked as basic */
749#define IEEE80211_RATE_BASIC 0x80
750#define IEEE80211_RATE_VAL 0x7f
751
752/* EPR information element flags */
753#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
754#define IEEE80211_ERP_USE_PROTECTION 0x02
755#define IEEE80211_ERP_LONG_PREAMBLE 0x04
756
757#define ATH_OUI 0x7f0300 /* Atheros OUI */
758#define ATH_OUI_TYPE 0x01
759#define ATH_OUI_SUBTYPE 0x01
760#define ATH_OUI_VERSION 0x00
761
762#define BCM_OUI 0x4c9000 /* Broadcom OUI */
763#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
764#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
765
766#define WPA_OUI 0xf25000
767#define WPA_OUI_TYPE 0x01
768#define WPA_VERSION 1 /* current supported version */
769
770#define WPA_CSE_NULL 0x00
771#define WPA_CSE_WEP40 0x01
772#define WPA_CSE_TKIP 0x02
773#define WPA_CSE_CCMP 0x04
774#define WPA_CSE_WEP104 0x05
775
776#define WPA_ASE_NONE 0x00
777#define WPA_ASE_8021X_UNSPEC 0x01
778#define WPA_ASE_8021X_PSK 0x02
779
780#define WPS_OUI_TYPE 0x04
781
782#define RSN_OUI 0xac0f00
783#define RSN_VERSION 1 /* current supported version */
784
785#define RSN_CSE_NULL 0x00
786#define RSN_CSE_WEP40 0x01
787#define RSN_CSE_TKIP 0x02
788#define RSN_CSE_WRAP 0x03
789#define RSN_CSE_CCMP 0x04
790#define RSN_CSE_WEP104 0x05
791
792#define RSN_ASE_NONE 0x00
793#define RSN_ASE_8021X_UNSPEC 0x01
794#define RSN_ASE_8021X_PSK 0x02
795
796#define RSN_CAP_PREAUTH 0x01
797
798#define WME_OUI 0xf25000
799#define WME_OUI_TYPE 0x02
800#define WME_INFO_OUI_SUBTYPE 0x00
801#define WME_PARAM_OUI_SUBTYPE 0x01
802#define WME_VERSION 1
803
804/* WME stream classes */
805#define WME_AC_BE 0 /* best effort */
806#define WME_AC_BK 1 /* background */
807#define WME_AC_VI 2 /* video */
808#define WME_AC_VO 3 /* voice */
809
810/*
811 * AUTH management packets
812 *
813 * octet algo[2]
814 * octet seq[2]
815 * octet status[2]
816 * octet chal.id
817 * octet chal.length
818 * octet chal.text[253] NB: 1-253 bytes
819 */
820
821/* challenge length for shared key auth */
822#define IEEE80211_CHALLENGE_LEN 128
823
824#define IEEE80211_AUTH_ALG_OPEN 0x0000
825#define IEEE80211_AUTH_ALG_SHARED 0x0001
826#define IEEE80211_AUTH_ALG_LEAP 0x0080
827
828enum {
829 IEEE80211_AUTH_OPEN_REQUEST = 1,
830 IEEE80211_AUTH_OPEN_RESPONSE = 2,
831};
832
833enum {
834 IEEE80211_AUTH_SHARED_REQUEST = 1,
835 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
836 IEEE80211_AUTH_SHARED_RESPONSE = 3,
837 IEEE80211_AUTH_SHARED_PASS = 4,
838};
839
840/*
841 * Reason and status codes.
842 *
843 * Reason codes are used in management frames to indicate why an
844 * action took place (e.g. on disassociation). Status codes are
845 * used in management frames to indicate the result of an operation.
846 *
847 * Unlisted codes are reserved
848 */
849
850enum {
851 IEEE80211_REASON_UNSPECIFIED = 1,
852 IEEE80211_REASON_AUTH_EXPIRE = 2,
853 IEEE80211_REASON_AUTH_LEAVE = 3,
854 IEEE80211_REASON_ASSOC_EXPIRE = 4,
855 IEEE80211_REASON_ASSOC_TOOMANY = 5,
856 IEEE80211_REASON_NOT_AUTHED = 6,
857 IEEE80211_REASON_NOT_ASSOCED = 7,
858 IEEE80211_REASON_ASSOC_LEAVE = 8,
859 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
860 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
861 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
862 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
863 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
864 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
865 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
866 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
867 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
868 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
869 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
870 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
871 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
872 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
873 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
874 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
875 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
876 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
877 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
878 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
879 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
880 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
881 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
882
883 IEEE80211_STATUS_SUCCESS = 0,
884 IEEE80211_STATUS_UNSPECIFIED = 1,
885 IEEE80211_STATUS_CAPINFO = 10,
886 IEEE80211_STATUS_NOT_ASSOCED = 11,
887 IEEE80211_STATUS_OTHER = 12,
888 IEEE80211_STATUS_ALG = 13,
889 IEEE80211_STATUS_SEQUENCE = 14,
890 IEEE80211_STATUS_CHALLENGE = 15,
891 IEEE80211_STATUS_TIMEOUT = 16,
892 IEEE80211_STATUS_TOOMANY = 17,
893 IEEE80211_STATUS_BASIC_RATE = 18,
894 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
895 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
896 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
897 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
898 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
899 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
900 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
901 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
902 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
903 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
904 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
905 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
906 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
907 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
908 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
909};
910
911#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
912#define IEEE80211_WEP_IVLEN 3 /* 24bit */
913#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
914#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
915#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
916 IEEE80211_WEP_KIDLEN + \
917 IEEE80211_WEP_CRCLEN)
918#define IEEE80211_WEP_NKID 4 /* number of key ids */
919
920/*
921 * 802.11i defines an extended IV for use with non-WEP ciphers.
922 * When the EXTIV bit is set in the key id byte an additional
923 * 4 bytes immediately follow the IV for TKIP. For CCMP the
924 * EXTIV bit is likewise set but the 8 bytes represent the
925 * CCMP header rather than IV+extended-IV.
926 */
927#define IEEE80211_WEP_EXTIV 0x20
928#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
929#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
930
931#define IEEE80211_CRC_LEN 4
932
933/*
934 * Maximum acceptable MTU is:
935 * IEEE80211_MAX_LEN - WEP overhead - CRC -
936 * QoS overhead - RSN/WPA overhead
937 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
938 * mtu is Ethernet-compatible; it's set by ether_ifattach.
939 */
940#define IEEE80211_MTU_MAX 2290
941#define IEEE80211_MTU_MIN 32
942
943#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
944 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
945#define IEEE80211_ACK_LEN \
946 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
947#define IEEE80211_MIN_LEN \
948 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
949
950/*
951 * The 802.11 spec says at most 2007 stations may be
952 * associated at once. For most AP's this is way more
953 * than is feasible so we use a default of IEEE80211_AID_DEF.
954 * This number may be overridden by the driver and/or by
955 * user configuration but may not be less than IEEE80211_AID_MIN
956 * (see _ieee80211.h for implementation-specific settings).
957 */
958#define IEEE80211_AID_MAX 2007
959
960#define IEEE80211_AID(b) ((b) &~ 0xc000)
961
962/*
963 * RTS frame length parameters. The default is specified in
964 * the 802.11 spec as 512; we treat it as implementation-dependent
965 * so it's defined in ieee80211_var.h. The max may be wrong
966 * for jumbo frames.
967 */
968#define IEEE80211_RTS_MIN 1
969#define IEEE80211_RTS_MAX 2346
970
971/*
972 * TX fragmentation parameters. As above for RTS, we treat
973 * default as implementation-dependent so define it elsewhere.
974 */
975#define IEEE80211_FRAG_MIN 256
976#define IEEE80211_FRAG_MAX 2346
977
978/*
979 * Beacon interval (TU's). Min+max come from WiFi requirements.
980 * As above, we treat default as implementation-dependent so
981 * define it elsewhere.
982 */
983#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
984#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
985
986/*
987 * DTIM period (beacons). Min+max are not really defined
988 * by the protocol but we want them publicly visible so
989 * define them here.
990 */
991#define IEEE80211_DTIM_MAX 15 /* max DTIM period */
992#define IEEE80211_DTIM_MIN 1 /* min DTIM period */
993
994/*
995 * Beacon miss threshold (beacons). As for DTIM, we define
996 * them here to be publicly visible. Note the max may be
997 * clamped depending on device capabilities.
998 */
999#define IEEE80211_HWBMISS_MIN 1
1000#define IEEE80211_HWBMISS_MAX 255
1001
1002/*
1003 * 802.11 frame duration definitions.
1004 */
1005
1006struct ieee80211_duration {
1007 uint16_t d_rts_dur;
1008 uint16_t d_data_dur;
1009 uint16_t d_plcp_len;
1010 uint8_t d_residue; /* unused octets in time slot */
1011};
1012
1013/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1014#define IEEE80211_DUR_TU 1024
1015
1016/* IEEE 802.11b durations for DSSS PHY in microseconds */
1017#define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1018#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1019
1020#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1021#define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1022#define IEEE80211_DUR_DS_SLOW_ACK 112
1023#define IEEE80211_DUR_DS_FAST_ACK 56
1024#define IEEE80211_DUR_DS_SLOW_CTS 112
1025#define IEEE80211_DUR_DS_FAST_CTS 56
1026
1027#define IEEE80211_DUR_DS_SLOT 20
1028#define IEEE80211_DUR_DS_SIFS 10
1029#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1030#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1031 2 * IEEE80211_DUR_DS_SLOT)
1032#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1033 IEEE80211_DUR_DS_SLOW_ACK + \
1034 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1035 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1036 IEEE80211_DUR_DIFS)
1037
1038/*
1039 * Atheros fast-frame encapsulation format.
1040 * FF max payload:
1041 * 802.2 + FFHDR + HPAD + 802.3 + 802.2 + 1500 + SPAD + 802.3 + 802.2 + 1500:
1042 * 8 + 4 + 4 + 14 + 8 + 1500 + 6 + 14 + 8 + 1500
1043 * = 3066
1044 */
1045/* fast frame header is 32-bits */
1046#define ATH_FF_PROTO 0x0000003f /* protocol */
1047#define ATH_FF_PROTO_S 0
1048#define ATH_FF_FTYPE 0x000000c0 /* frame type */
1049#define ATH_FF_FTYPE_S 6
1050#define ATH_FF_HLEN32 0x00000300 /* optional hdr length */
1051#define ATH_FF_HLEN32_S 8
1052#define ATH_FF_SEQNUM 0x001ffc00 /* sequence number */
1053#define ATH_FF_SEQNUM_S 10
1054#define ATH_FF_OFFSET 0xffe00000 /* offset to 2nd payload */
1055#define ATH_FF_OFFSET_S 21
1056
1057#define ATH_FF_MAX_HDR_PAD 4
1058#define ATH_FF_MAX_SEP_PAD 6
1059#define ATH_FF_MAX_HDR 30
1060
1061#define ATH_FF_PROTO_L2TUNNEL 0 /* L2 tunnel protocol */
1062#define ATH_FF_ETH_TYPE 0x88bd /* Ether type for encapsulated frames */
1063#define ATH_FF_SNAP_ORGCODE_0 0x00
1064#define ATH_FF_SNAP_ORGCODE_1 0x03
1065#define ATH_FF_SNAP_ORGCODE_2 0x7f
1066
1067#endif /* _NET80211_IEEE80211_H_ */