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ncurses: Hook in fully bootstrapped tic_next.
[dragonfly.git] / sys / netproto / 802_11 / ieee80211.h
blobf5fdd5a63d49ed20f3e763d1215448248b2af1d6
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 * $FreeBSD$
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 #ifdef _KERNEL
40 extern const uint8_t ieee80211broadcastaddr[];
41 #endif
42
43 typedef uint16_t ieee80211_seq;
44
45 /* IEEE 802.11 PLCP header */
46 struct ieee80211_plcp_hdr {
47 uint16_t i_sfd;
48 uint8_t i_signal;
49 uint8_t i_service;
50 uint16_t i_length;
51 uint16_t i_crc;
52 } __packed;
53
54 #define IEEE80211_PLCP_SFD 0xF3A0
55 #define IEEE80211_PLCP_SERVICE 0x00
56 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04
57 #define IEEE80211_PLCL_SERVICE_PBCC 0x08
58 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20
59 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40
60 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80
61
62 /*
63 * generic definitions for IEEE 802.11 frames
64 */
65 struct ieee80211_frame {
66 uint8_t i_fc[2];
67 uint8_t i_dur[2];
68 uint8_t i_addr1[IEEE80211_ADDR_LEN];
69 uint8_t i_addr2[IEEE80211_ADDR_LEN];
70 uint8_t i_addr3[IEEE80211_ADDR_LEN];
71 uint8_t i_seq[2];
72 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
73 /* see below */
74 } __packed;
75
76 struct ieee80211_qosframe {
77 uint8_t i_fc[2];
78 uint8_t i_dur[2];
79 uint8_t i_addr1[IEEE80211_ADDR_LEN];
80 uint8_t i_addr2[IEEE80211_ADDR_LEN];
81 uint8_t i_addr3[IEEE80211_ADDR_LEN];
82 uint8_t i_seq[2];
83 uint8_t i_qos[2];
84 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
85 /* see below */
86 } __packed;
87
88 struct ieee80211_qoscntl {
89 uint8_t i_qos[2];
90 };
91
92 struct ieee80211_frame_addr4 {
93 uint8_t i_fc[2];
94 uint8_t i_dur[2];
95 uint8_t i_addr1[IEEE80211_ADDR_LEN];
96 uint8_t i_addr2[IEEE80211_ADDR_LEN];
97 uint8_t i_addr3[IEEE80211_ADDR_LEN];
98 uint8_t i_seq[2];
99 uint8_t i_addr4[IEEE80211_ADDR_LEN];
100 } __packed;
101
102
103 struct ieee80211_qosframe_addr4 {
104 uint8_t i_fc[2];
105 uint8_t i_dur[2];
106 uint8_t i_addr1[IEEE80211_ADDR_LEN];
107 uint8_t i_addr2[IEEE80211_ADDR_LEN];
108 uint8_t i_addr3[IEEE80211_ADDR_LEN];
109 uint8_t i_seq[2];
110 uint8_t i_addr4[IEEE80211_ADDR_LEN];
111 uint8_t i_qos[2];
112 } __packed;
113
114 #define IEEE80211_FC0_VERSION_MASK 0x03
115 #define IEEE80211_FC0_VERSION_SHIFT 0
116 #define IEEE80211_FC0_VERSION_0 0x00
117 #define IEEE80211_FC0_TYPE_MASK 0x0c
118 #define IEEE80211_FC0_TYPE_SHIFT 2
119 #define IEEE80211_FC0_TYPE_MGT 0x00
120 #define IEEE80211_FC0_TYPE_CTL 0x04
121 #define IEEE80211_FC0_TYPE_DATA 0x08
122
123 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0
124 #define IEEE80211_FC0_SUBTYPE_SHIFT 4
125 /* for TYPE_MGT */
126 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
127 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
128 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
129 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
130 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
131 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
132 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60
133 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80
134 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90
135 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
136 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
137 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
138 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
139 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0
140 /* for TYPE_CTL */
141 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70
142 #define IEEE80211_FC0_SUBTYPE_BAR 0x80
143 #define IEEE80211_FC0_SUBTYPE_BA 0x90
144 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
145 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0
146 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0
147 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0
148 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
149 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
150 /* for TYPE_DATA (bit combination) */
151 #define IEEE80211_FC0_SUBTYPE_DATA 0x00
152 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
153 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
154 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
155 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40
156 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50
157 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
158 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
159 #define IEEE80211_FC0_SUBTYPE_QOS 0x80
160 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
161
162 #define IEEE80211_FC1_DIR_MASK 0x03
163 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
164 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
165 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
166 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
167
168 #define IEEE80211_IS_DSTODS(wh) \
169 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
170
171 #define IEEE80211_FC1_MORE_FRAG 0x04
172 #define IEEE80211_FC1_RETRY 0x08
173 #define IEEE80211_FC1_PWR_MGT 0x10
174 #define IEEE80211_FC1_MORE_DATA 0x20
175 #define IEEE80211_FC1_PROTECTED 0x40
176 #define IEEE80211_FC1_ORDER 0x80
177
178 #define IEEE80211_HAS_SEQ(type, subtype) \
179 ((type) != IEEE80211_FC0_TYPE_CTL && \
180 !((type) == IEEE80211_FC0_TYPE_DATA && \
181 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
182 IEEE80211_FC0_SUBTYPE_QOS_NULL))
183 #define IEEE80211_SEQ_FRAG_MASK 0x000f
184 #define IEEE80211_SEQ_FRAG_SHIFT 0
185 #define IEEE80211_SEQ_SEQ_MASK 0xfff0
186 #define IEEE80211_SEQ_SEQ_SHIFT 4
187 #define IEEE80211_SEQ_RANGE 4096
188
189 #define IEEE80211_SEQ_ADD(seq, incr) \
190 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
191 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1)
192 #define IEEE80211_SEQ_SUB(a, b) \
193 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
194
195 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */
196 #define IEEE80211_SEQ_BA_BEFORE(a, b) \
197 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
198
199 #define IEEE80211_NWID_LEN 32
200 #define IEEE80211_MESHID_LEN 32
201
202 #define IEEE80211_QOS_TXOP 0x00ff
203 /* bit 8 is reserved */
204 #define IEEE80211_QOS_AMSDU 0x80
205 #define IEEE80211_QOS_AMSDU_S 7
206 #define IEEE80211_QOS_ACKPOLICY 0x60
207 #define IEEE80211_QOS_ACKPOLICY_S 5
208 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */
209 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */
210 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/
211 #define IEEE80211_QOS_EOSP_S 4
212 #define IEEE80211_QOS_TID 0x0f
213 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
214 #define IEEE80211_QOS_MC 0x01 /* Mesh control */
215 /* Mesh power save level*/
216 #define IEEE80211_QOS_MESH_PSL 0x02
217 /* Mesh Receiver Service Period Initiated */
218 #define IEEE80211_QOS_RSPI 0x04
219 /* bits 11 to 15 reserved */
220
221 /* does frame have QoS sequence control data */
222 #define IEEE80211_QOS_HAS_SEQ(wh) \
223 (((wh)->i_fc[0] & \
224 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
225 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
226
227 /*
228 * WME/802.11e information element.
229 */
230 struct ieee80211_wme_info {
231 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
232 uint8_t wme_len; /* length in bytes */
233 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
234 uint8_t wme_type; /* OUI type */
235 uint8_t wme_subtype; /* OUI subtype */
236 uint8_t wme_version; /* spec revision */
237 uint8_t wme_info; /* QoS info */
238 } __packed;
239
240 /*
241 * WME/802.11e Tspec Element
242 */
243 struct ieee80211_wme_tspec {
244 uint8_t ts_id;
245 uint8_t ts_len;
246 uint8_t ts_oui[3];
247 uint8_t ts_oui_type;
248 uint8_t ts_oui_subtype;
249 uint8_t ts_version;
250 uint8_t ts_tsinfo[3];
251 uint8_t ts_nom_msdu[2];
252 uint8_t ts_max_msdu[2];
253 uint8_t ts_min_svc[4];
254 uint8_t ts_max_svc[4];
255 uint8_t ts_inactv_intv[4];
256 uint8_t ts_susp_intv[4];
257 uint8_t ts_start_svc[4];
258 uint8_t ts_min_rate[4];
259 uint8_t ts_mean_rate[4];
260 uint8_t ts_max_burst[4];
261 uint8_t ts_min_phy[4];
262 uint8_t ts_peak_rate[4];
263 uint8_t ts_delay[4];
264 uint8_t ts_surplus[2];
265 uint8_t ts_medium_time[2];
266 } __packed;
267
268 /*
269 * WME AC parameter field
270 */
271 struct ieee80211_wme_acparams {
272 uint8_t acp_aci_aifsn;
273 uint8_t acp_logcwminmax;
274 uint16_t acp_txop;
275 } __packed;
276
277 #define WME_NUM_AC 4 /* 4 AC categories */
278 #define WME_NUM_TID 16 /* 16 tids */
279
280 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */
281 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */
282 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
283 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
284 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
285 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
286 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
287 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
288 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
289 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
290
291 #define WME_AC_TO_TID(_ac) ( \
292 ((_ac) == WME_AC_VO) ? 6 : \
293 ((_ac) == WME_AC_VI) ? 5 : \
294 ((_ac) == WME_AC_BK) ? 1 : \
295 0)
296
297 #define TID_TO_WME_AC(_tid) ( \
298 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
299 ((_tid) < 3) ? WME_AC_BK : \
300 ((_tid) < 6) ? WME_AC_VI : \
301 WME_AC_VO)
302
303 /*
304 * WME Parameter Element
305 */
306 struct ieee80211_wme_param {
307 uint8_t param_id;
308 uint8_t param_len;
309 uint8_t param_oui[3];
310 uint8_t param_oui_type;
311 uint8_t param_oui_subtype;
312 uint8_t param_version;
313 uint8_t param_qosInfo;
314 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */
315 uint8_t param_reserved;
316 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
317 } __packed;
318
319 /*
320 * WME U-APSD qos info field defines
321 */
322 #define WME_CAPINFO_UAPSD_EN 0x00000080
323 #define WME_CAPINFO_UAPSD_VO 0x00000001
324 #define WME_CAPINFO_UAPSD_VI 0x00000002
325 #define WME_CAPINFO_UAPSD_BK 0x00000004
326 #define WME_CAPINFO_UAPSD_BE 0x00000008
327 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
328 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
329 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
330 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
331 #define WME_CAPINFO_IE_OFFSET 8
332 #define WME_UAPSD_MAXSP(_qosinfo) \
333 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
334 WME_CAPINFO_UAPSD_MAXSP_MASK)
335 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
336 ((1 << (3 - (_ac))) & ( \
337 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
338 WME_CAPINFO_UAPSD_ACFLAGS_MASK))
339
340 /*
341 * Management Notification Frame
342 */
343 struct ieee80211_mnf {
344 uint8_t mnf_category;
345 uint8_t mnf_action;
346 uint8_t mnf_dialog;
347 uint8_t mnf_status;
348 } __packed;
349 #define MNF_SETUP_REQ 0
350 #define MNF_SETUP_RESP 1
351 #define MNF_TEARDOWN 2
352
353 /*
354 * 802.11n Management Action Frames
355 */
356 /* generic frame format */
357 struct ieee80211_action {
358 uint8_t ia_category;
359 uint8_t ia_action;
360 } __packed;
361
362 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */
363 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */
364 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */
365 #define IEEE80211_ACTION_CAT_BA 3 /* BA */
366 #define IEEE80211_ACTION_CAT_HT 7 /* HT */
367 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */
368 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */
369 /* 16 - 125 reserved */
370 #define IEEE80211_ACTION_VHT 21
371 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */
372
373 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/
374 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */
375
376 /* HT - recommended transmission channel width */
377 struct ieee80211_action_ht_txchwidth {
378 struct ieee80211_action at_header;
379 uint8_t at_chwidth;
380 } __packed;
381
382 #define IEEE80211_A_HT_TXCHWIDTH_20 0
383 #define IEEE80211_A_HT_TXCHWIDTH_2040 1
384
385 /* HT - MIMO Power Save (NB: D2.04) */
386 struct ieee80211_action_ht_mimopowersave {
387 struct ieee80211_action am_header;
388 uint8_t am_control;
389 } __packed;
390
391 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */
392 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02
393 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1
394 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */
395 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */
396 /* bits 2-7 reserved */
397
398 /* Block Ack actions */
399 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */
400 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */
401 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */
402
403 /* Block Ack Parameter Set */
404 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */
405 #define IEEE80211_BAPS_BUFSIZ_S 6
406 #define IEEE80211_BAPS_TID 0x003c /* TID */
407 #define IEEE80211_BAPS_TID_S 2
408 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */
409 #define IEEE80211_BAPS_POLICY_S 1
410
411 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S)
412 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S)
413
414 /* Block Ack Sequence Control */
415 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */
416 #define IEEE80211_BASEQ_START_S 4
417 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */
418 #define IEEE80211_BASEQ_FRAG_S 0
419
420 /* Delayed Block Ack Parameter Set */
421 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */
422 #define IEEE80211_DELBAPS_TID_S 12
423 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */
424 #define IEEE80211_DELBAPS_INIT_S 11
425
426 /* BA - ADDBA request */
427 struct ieee80211_action_ba_addbarequest {
428 struct ieee80211_action rq_header;
429 uint8_t rq_dialogtoken;
430 uint16_t rq_baparamset;
431 uint16_t rq_batimeout; /* in TUs */
432 uint16_t rq_baseqctl;
433 } __packed;
434
435 /* BA - ADDBA response */
436 struct ieee80211_action_ba_addbaresponse {
437 struct ieee80211_action rs_header;
438 uint8_t rs_dialogtoken;
439 uint16_t rs_statuscode;
440 uint16_t rs_baparamset;
441 uint16_t rs_batimeout; /* in TUs */
442 } __packed;
443
444 /* BA - DELBA */
445 struct ieee80211_action_ba_delba {
446 struct ieee80211_action dl_header;
447 uint16_t dl_baparamset;
448 uint16_t dl_reasoncode;
449 } __packed;
450
451 /* BAR Control */
452 #define IEEE80211_BAR_TID 0xf000 /* TID */
453 #define IEEE80211_BAR_TID_S 12
454 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */
455 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */
456 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */
457
458 /* BAR Starting Sequence Control */
459 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */
460 #define IEEE80211_BAR_SEQ_START_S 4
461
462 struct ieee80211_ba_request {
463 uint16_t rq_barctl;
464 uint16_t rq_barseqctl;
465 } __packed;
466
467 /*
468 * Control frames.
469 */
470 struct ieee80211_frame_min {
471 uint8_t i_fc[2];
472 uint8_t i_dur[2];
473 uint8_t i_addr1[IEEE80211_ADDR_LEN];
474 uint8_t i_addr2[IEEE80211_ADDR_LEN];
475 /* FCS */
476 } __packed;
477
478 struct ieee80211_frame_rts {
479 uint8_t i_fc[2];
480 uint8_t i_dur[2];
481 uint8_t i_ra[IEEE80211_ADDR_LEN];
482 uint8_t i_ta[IEEE80211_ADDR_LEN];
483 /* FCS */
484 } __packed;
485
486 struct ieee80211_frame_cts {
487 uint8_t i_fc[2];
488 uint8_t i_dur[2];
489 uint8_t i_ra[IEEE80211_ADDR_LEN];
490 /* FCS */
491 } __packed;
492
493 struct ieee80211_frame_ack {
494 uint8_t i_fc[2];
495 uint8_t i_dur[2];
496 uint8_t i_ra[IEEE80211_ADDR_LEN];
497 /* FCS */
498 } __packed;
499
500 struct ieee80211_frame_pspoll {
501 uint8_t i_fc[2];
502 uint8_t i_aid[2];
503 uint8_t i_bssid[IEEE80211_ADDR_LEN];
504 uint8_t i_ta[IEEE80211_ADDR_LEN];
505 /* FCS */
506 } __packed;
507
508 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
509 uint8_t i_fc[2];
510 uint8_t i_dur[2]; /* should be zero */
511 uint8_t i_ra[IEEE80211_ADDR_LEN];
512 uint8_t i_bssid[IEEE80211_ADDR_LEN];
513 /* FCS */
514 } __packed;
515
516 struct ieee80211_frame_bar {
517 uint8_t i_fc[2];
518 uint8_t i_dur[2];
519 uint8_t i_ra[IEEE80211_ADDR_LEN];
520 uint8_t i_ta[IEEE80211_ADDR_LEN];
521 uint16_t i_ctl;
522 uint16_t i_seq;
523 /* FCS */
524 } __packed;
525
526 /*
527 * BEACON management packets
528 *
529 * octet timestamp[8]
530 * octet beacon interval[2]
531 * octet capability information[2]
532 * information element
533 * octet elemid
534 * octet length
535 * octet information[length]
536 */
537
538 #define IEEE80211_BEACON_INTERVAL(beacon) \
539 ((beacon)[8] | ((beacon)[9] << 8))
540 #define IEEE80211_BEACON_CAPABILITY(beacon) \
541 ((beacon)[10] | ((beacon)[11] << 8))
542
543 #define IEEE80211_CAPINFO_ESS 0x0001
544 #define IEEE80211_CAPINFO_IBSS 0x0002
545 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
546 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
547 #define IEEE80211_CAPINFO_PRIVACY 0x0010
548 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
549 #define IEEE80211_CAPINFO_PBCC 0x0040
550 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
551 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
552 /* bit 9 is reserved */
553 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
554 #define IEEE80211_CAPINFO_RSN 0x0800
555 /* bit 12 is reserved */
556 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000
557 /* bits 14-15 are reserved */
558
559 #define IEEE80211_CAPINFO_BITS \
560 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
561 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
562 "\16DSSOFDM"
563
564 /*
565 * 802.11i/WPA information element (maximally sized).
566 */
567 struct ieee80211_ie_wpa {
568 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
569 uint8_t wpa_len; /* length in bytes */
570 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
571 uint8_t wpa_type; /* OUI type */
572 uint16_t wpa_version; /* spec revision */
573 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */
574 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */
575 uint32_t wpa_uciphers[8];/* ciphers */
576 uint16_t wpa_authselcnt; /* authentication selector cnt*/
577 uint32_t wpa_authsels[8];/* selectors */
578 uint16_t wpa_caps; /* 802.11i capabilities */
579 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */
580 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */
581 } __packed;
582
583 /*
584 * 802.11n HT Capability IE
585 * NB: these reflect D1.10
586 */
587 struct ieee80211_ie_htcap {
588 uint8_t hc_id; /* element ID */
589 uint8_t hc_len; /* length in bytes */
590 uint16_t hc_cap; /* HT caps (see below) */
591 uint8_t hc_param; /* HT params (see below) */
592 uint8_t hc_mcsset[16]; /* supported MCS set */
593 uint16_t hc_extcap; /* extended HT capabilities */
594 uint32_t hc_txbf; /* txbf capabilities */
595 uint8_t hc_antenna; /* antenna capabilities */
596 } __packed;
597
598 /* HT capability flags (ht_cap) */
599 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */
600 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */
601 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */
602 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */
603 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */
604 /* NB: SMPS value 2 is reserved */
605 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */
606 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */
607 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */
608 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */
609 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */
610 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */
611 #define IEEE80211_HTCAP_RXSTBC_S 8
612 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */
613 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/
614 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/
615 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */
616 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */
617 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */
618 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */
619 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */
620 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */
621 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */
622 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */
623
624 #define IEEE80211_HTCAP_BITS \
625 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
626 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
627 "\20LSIGTXOPPROT"
628
629 /* HT parameters (hc_param) */
630 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */
631 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0
632 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0
633 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1
634 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2
635 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3
636 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */
637 #define IEEE80211_HTCAP_MPDUDENSITY_S 2
638 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */
639 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */
640 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */
641 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */
642 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */
643 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */
644 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */
645 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */
646
647 /* HT extended capabilities (hc_extcap) */
648 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */
649 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */
650 #define IEEE80211_HTCAP_PCOTRANS_S 1
651 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */
652 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */
653 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */
654 /* bits 3-7 reserved */
655 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */
656 #define IEEE80211_HTCAP_MCSFBACK_S 8
657 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */
658 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */
659 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */
660 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */
661 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/
662 /* bits 12-15 reserved */
663
664 /*
665 * 802.11n HT Information IE
666 */
667 struct ieee80211_ie_htinfo {
668 uint8_t hi_id; /* element ID */
669 uint8_t hi_len; /* length in bytes */
670 uint8_t hi_ctrlchannel; /* primary channel */
671 uint8_t hi_byte1; /* ht ie byte 1 */
672 uint8_t hi_byte2; /* ht ie byte 2 */
673 uint8_t hi_byte3; /* ht ie byte 3 */
674 uint16_t hi_byte45; /* ht ie bytes 4+5 */
675 uint8_t hi_basicmcsset[16]; /* basic MCS set */
676 } __packed;
677
678 /* byte1 */
679 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
680 #define IEEE80211_HTINFO_2NDCHAN_S 0
681 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
682 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
683 /* NB: 2 is reserved */
684 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
685 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */
686 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */
687 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */
688 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */
689 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */
690 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */
691 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */
692 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */
693 #define IEEE80211_HTINFO_SIGRAN_S 5
694 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */
695 /* XXX add rest */
696
697 /* bytes 2+3 */
698 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */
699 #define IEEE80211_HTINFO_OPMODE_S 0
700 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */
701 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */
702 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */
703 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/
704 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */
705 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */
706 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */
707 /* bits 5-15 reserved */
708
709 /* bytes 4+5 */
710 #define IEEE80211_HTINFO_2NDARYBEACON 0x01
711 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02
712 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04
713 #define IEEE80211_HTINFO_40MHZPHASE 0x08
714
715 /* byte5 */
716 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f
717 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0
718 #define IEEE80211_HTINFO_DUALPROTECTED 0x80
719
720
721 /*
722 * 802.11ac definitions - 802.11ac-2013 .
723 */
724
725 /* VHT opmode bits */
726 #define IEEE80211_VHT_OPMODE_CHANWIDTH_MASK 3
727 #define IEEE80211_VHT_OPMODE_CHANWIDTH_20MHZ 0
728 #define IEEE80211_VHT_OPMODE_CHANWIDTH_40MHZ 1
729 #define IEEE80211_VHT_OPMODE_CHANWIDTH_80MHZ 2
730 #define IEEE80211_VHT_OPMODE_CHANWIDTH_160MHZ 3
731 #define IEEE80211_VHT_OPMODE_RX_NSS_MASK 0x70
732 #define IEEE80211_VHT_OPMODE_RX_NSS_SHIFT 4
733 #define IEEE80211_VHT_OPMODE_RX_NSS_TYPE_BF 0x80
734
735 /*
736 * Maximum length of A-MPDU that the STA can RX in VHT.
737 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
738 */
739 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0
740 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1
741 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2
742 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3
743 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4
744 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5
745 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6
746 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7
747
748 /*
749 * VHT MCS information.
750 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
751 * data rate. 1Mbit/sec units.
752 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
753 * 2 bits each.
754 */
755 #define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */
756 #define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */
757 #define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */
758 #define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */
759
760 struct ieee80211_vht_mcs_info {
761 uint16_t rx_mcs_map;
762 uint16_t rx_highest;
763 uint16_t tx_mcs_map;
764 uint16_t tx_highest;
765 } __packed;
766
767 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */
768 struct ieee80211_ie_vhtcap {
769 uint8_t ie;
770 uint8_t len;
771 uint32_t vht_cap_info;
772 struct ieee80211_vht_mcs_info supp_mcs;
773 } __packed;
774
775 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */
776 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */
777 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */
778 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */
779
780 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */
781 struct ieee80211_ie_vht_operation {
782 uint8_t ie;
783 uint8_t len;
784 uint8_t chan_width;
785 uint8_t center_freq_seg1_idx;
786 uint8_t center_freq_seg2_idx;
787 uint16_t basic_mcs_set;
788 } __packed;
789
790 /* 802.11ac VHT Capabilities */
791 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000
792 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001
793 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002
794 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003
795 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
796 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
797 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
798 #define IEEE80211_VHTCAP_RXLDPC 0x00000010
799 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020
800 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040
801 #define IEEE80211_VHTCAP_TXSTBC 0x00000080
802 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100
803 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200
804 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300
805 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400
806 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700
807 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800
808 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000
809 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13
810 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
811 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
812 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16
813 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
814 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
815 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000
816 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000
817 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000
818 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000
819 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
820 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
821 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
822 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
823 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
824 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000
825 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000
826
827 /*
828 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
829 *
830 * This defines the maximum transmit power for various bandwidths.
831 */
832 /*
833 * Count is how many elements follow and what they're for:
834 *
835 * 0 - 20 MHz
836 * 1 - 20+40 MHz
837 * 2 - 20+40+80 MHz
838 * 3 - 20+40+80+(160, 80+80) MHz
839 */
840 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0
841 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07
842
843 /*
844 * Unit is the tx power representation. It should be EIRP for now;
845 * other values are reserved.
846 */
847 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38
848 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3
849
850 /* This value is within the unit mask/shift above */
851 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0
852
853 struct ieee80211_ie_vht_txpwrenv {
854 uint8_t ie;
855 uint8_t len;
856 uint8_t tx_info;
857 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */
858 };
859
860 /* VHT action codes */
861 #define WLAN_ACTION_VHT_COMPRESSED_BF 0
862 #define WLAN_ACTION_VHT_GROUPID_MGMT 1
863 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2
864
865 /*
866 * Management information element payloads.
867 */
868
869 enum {
870 IEEE80211_ELEMID_SSID = 0,
871 IEEE80211_ELEMID_RATES = 1,
872 IEEE80211_ELEMID_FHPARMS = 2,
873 IEEE80211_ELEMID_DSPARMS = 3,
874 IEEE80211_ELEMID_CFPARMS = 4,
875 IEEE80211_ELEMID_TIM = 5,
876 IEEE80211_ELEMID_IBSSPARMS = 6,
877 IEEE80211_ELEMID_COUNTRY = 7,
878 IEEE80211_ELEMID_BSSLOAD = 11,
879 IEEE80211_ELEMID_TSPEC = 13,
880 IEEE80211_ELEMID_TCLAS = 14,
881 IEEE80211_ELEMID_CHALLENGE = 16,
882 /* 17-31 reserved for challenge text extension */
883 IEEE80211_ELEMID_PWRCNSTR = 32,
884 IEEE80211_ELEMID_PWRCAP = 33,
885 IEEE80211_ELEMID_TPCREQ = 34,
886 IEEE80211_ELEMID_TPCREP = 35,
887 IEEE80211_ELEMID_SUPPCHAN = 36,
888 IEEE80211_ELEMID_CSA = 37,
889 IEEE80211_ELEMID_MEASREQ = 38,
890 IEEE80211_ELEMID_MEASREP = 39,
891 IEEE80211_ELEMID_QUIET = 40,
892 IEEE80211_ELEMID_IBSSDFS = 41,
893 IEEE80211_ELEMID_ERP = 42,
894 IEEE80211_ELEMID_HTCAP = 45,
895 IEEE80211_ELEMID_QOS = 46,
896 IEEE80211_ELEMID_RSN = 48,
897 IEEE80211_ELEMID_XRATES = 50,
898 IEEE80211_ELEMID_APCHANREP = 51,
899 IEEE80211_ELEMID_HTINFO = 61,
900 IEEE80211_ELEMID_SECCHAN_OFFSET = 62,
901 IEEE80211_ELEMID_RRM_ENACAPS = 70,
902 IEEE80211_ELEMID_MULTIBSSID = 71,
903 IEEE80211_ELEMID_COEX_2040 = 72,
904 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73,
905 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
906 IEEE80211_ELEMID_TSF_REQ = 91,
907 IEEE80211_ELEMID_TSF_RESP = 92,
908 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93,
909 IEEE80211_ELEMID_TIM_BCAST_REQ = 94,
910 IEEE80211_ELEMID_TIM_BCAST_RESP = 95,
911 IEEE80211_ELEMID_TPC = 150,
912 IEEE80211_ELEMID_CCKM = 156,
913 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
914
915 /*
916 * 802.11s IEs
917 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
918 * but they defined a new with id 117 called PEER_MGMT.
919 * NB: complies with open80211
920 */
921 IEEE80211_ELEMID_MESHCONF = 113,
922 IEEE80211_ELEMID_MESHID = 114,
923 IEEE80211_ELEMID_MESHLINK = 115,
924 IEEE80211_ELEMID_MESHCNGST = 116,
925 IEEE80211_ELEMID_MESHPEER = 117,
926 IEEE80211_ELEMID_MESHCSA = 118,
927 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */
928 IEEE80211_ELEMID_MESHAWAKEW = 119,
929 IEEE80211_ELEMID_MESHBEACONT = 120,
930 /* 121-124 MMCAOP not implemented yet */
931 IEEE80211_ELEMID_MESHGANN = 125,
932 IEEE80211_ELEMID_MESHRANN = 126,
933 /* 127 Extended Capabilities */
934 IEEE80211_ELEMID_EXTCAP = 127,
935 /* 128-129 reserved */
936 IEEE80211_ELEMID_MESHPREQ = 130,
937 IEEE80211_ELEMID_MESHPREP = 131,
938 IEEE80211_ELEMID_MESHPERR = 132,
939 /* 133-136 reserved */
940 IEEE80211_ELEMID_MESHPXU = 137,
941 IEEE80211_ELEMID_MESHPXUC = 138,
942 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */
943
944 /* 802.11ac */
945 IEEE80211_ELEMID_VHT_CAP = 191,
946 IEEE80211_ELEMID_VHT_OPMODE = 192,
947 IEEE80211_ELEMID_VHT_PWR_ENV = 195,
948 };
949
950 struct ieee80211_tim_ie {
951 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */
952 uint8_t tim_len;
953 uint8_t tim_count; /* DTIM count */
954 uint8_t tim_period; /* DTIM period */
955 uint8_t tim_bitctl; /* bitmap control */
956 uint8_t tim_bitmap[1]; /* variable-length bitmap */
957 } __packed;
958
959 struct ieee80211_country_ie {
960 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */
961 uint8_t len;
962 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
963 struct {
964 uint8_t schan; /* starting channel */
965 uint8_t nchan; /* number channels */
966 uint8_t maxtxpwr; /* tx power cap */
967 } __packed band[1]; /* sub bands (NB: var size) */
968 } __packed;
969
970 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */
971 #define IEEE80211_COUNTRY_MAX_SIZE \
972 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
973
974 struct ieee80211_bss_load_ie {
975 uint8_t ie;
976 uint8_t len;
977 uint16_t sta_count; /* station count */
978 uint8_t chan_load; /* channel utilization */
979 uint8_t aac; /* available admission capacity */
980 } __packed;
981
982 struct ieee80211_ap_chan_report_ie {
983 uint8_t ie;
984 uint8_t len;
985 uint8_t i_class; /* operating class */
986 /* Annex E, E.1 Country information and operating classes */
987 uint8_t chan_list[0];
988 } __packed;
989
990 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */
991 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1)
992 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */
993 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3)
994 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */
995 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5)
996 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6)
997 #define IEEE80211_EXTCAP_EVENT (1ULL << 7)
998 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8)
999 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9)
1000 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10)
1001 #define IEEE80211_EXTCAP_FMS (1ULL << 11)
1002 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12)
1003 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */
1004 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14)
1005 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15)
1006 #define IEEE80211_EXTCAP_TFS (1ULL << 16)
1007 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17)
1008 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18)
1009 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19)
1010 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20)
1011 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21)
1012 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */
1013 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23)
1014 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24)
1015 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25)
1016 #define IEEE80211_EXTCAP_DMS (1ULL << 26)
1017 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27)
1018 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */
1019 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */
1020 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */
1021 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31)
1022 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32)
1023 #define IEEE80211_EXTCAP_EBR (1ULL << 33)
1024 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34)
1025 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35)
1026 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36)
1027 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37)
1028 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38)
1029 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */
1030 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */
1031 /* service interval granularity */
1032 #define IEEE80211_EXTCAP_SIG \
1033 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
1034 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44)
1035 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45)
1036 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46)
1037 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47)
1038 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */
1039 /* bits 49-n are reserved */
1040
1041 struct ieee80211_extcap_ie {
1042 uint8_t ie;
1043 uint8_t len;
1044 } __packed;
1045
1046 /*
1047 * 802.11h Quiet Time Element.
1048 */
1049 struct ieee80211_quiet_ie {
1050 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */
1051 uint8_t len;
1052 uint8_t tbttcount; /* quiet start */
1053 uint8_t period; /* beacon intervals between quiets */
1054 uint16_t duration; /* TUs of each quiet*/
1055 uint16_t offset; /* TUs of from TBTT of quiet start */
1056 } __packed;
1057
1058 /*
1059 * 802.11h Channel Switch Announcement (CSA).
1060 */
1061 struct ieee80211_csa_ie {
1062 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */
1063 uint8_t csa_len;
1064 uint8_t csa_mode; /* Channel Switch Mode */
1065 uint8_t csa_newchan; /* New Channel Number */
1066 uint8_t csa_count; /* Channel Switch Count */
1067 } __packed;
1068
1069 /*
1070 * Note the min acceptable CSA count is used to guard against
1071 * malicious CSA injection in station mode. Defining this value
1072 * as other than 0 violates the 11h spec.
1073 */
1074 #define IEEE80211_CSA_COUNT_MIN 2
1075 #define IEEE80211_CSA_COUNT_MAX 255
1076
1077 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
1078 #define IEEE80211_RATE_BASIC 0x80
1079 #define IEEE80211_RATE_VAL 0x7f
1080 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL)
1081
1082 /* ERP information element flags */
1083 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01
1084 #define IEEE80211_ERP_USE_PROTECTION 0x02
1085 #define IEEE80211_ERP_LONG_PREAMBLE 0x04
1086
1087 #define IEEE80211_ERP_BITS \
1088 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
1089
1090 #define ATH_OUI 0x7f0300 /* Atheros OUI */
1091 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */
1092
1093 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
1094 #define TDMA_OUI ATH_OUI
1095 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */
1096
1097 #define BCM_OUI 0x4c9000 /* Broadcom OUI */
1098 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */
1099 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */
1100
1101 #define WPA_OUI 0xf25000
1102 #define WPA_OUI_TYPE 0x01
1103 #define WPA_VERSION 1 /* current supported version */
1104
1105 #define WPA_CSE_NULL 0x00
1106 #define WPA_CSE_WEP40 0x01
1107 #define WPA_CSE_TKIP 0x02
1108 #define WPA_CSE_CCMP 0x04
1109 #define WPA_CSE_WEP104 0x05
1110
1111 #define WPA_ASE_NONE 0x00
1112 #define WPA_ASE_8021X_UNSPEC 0x01
1113 #define WPA_ASE_8021X_PSK 0x02
1114
1115 #define WPS_OUI_TYPE 0x04
1116
1117 #define RSN_OUI 0xac0f00
1118 #define RSN_VERSION 1 /* current supported version */
1119
1120 #define RSN_CSE_NULL 0x00
1121 #define RSN_CSE_WEP40 0x01
1122 #define RSN_CSE_TKIP 0x02
1123 #define RSN_CSE_WRAP 0x03
1124 #define RSN_CSE_CCMP 0x04
1125 #define RSN_CSE_WEP104 0x05
1126
1127 #define RSN_ASE_NONE 0x00
1128 #define RSN_ASE_8021X_UNSPEC 0x01
1129 #define RSN_ASE_8021X_PSK 0x02
1130
1131 #define RSN_CAP_PREAUTH 0x01
1132
1133 #define WME_OUI 0xf25000
1134 #define WME_OUI_TYPE 0x02
1135 #define WME_INFO_OUI_SUBTYPE 0x00
1136 #define WME_PARAM_OUI_SUBTYPE 0x01
1137 #define WME_VERSION 1
1138
1139 /* WME stream classes */
1140 #define WME_AC_BE 0 /* best effort */
1141 #define WME_AC_BK 1 /* background */
1142 #define WME_AC_VI 2 /* video */
1143 #define WME_AC_VO 3 /* voice */
1144
1145 /*
1146 * AUTH management packets
1147 *
1148 * octet algo[2]
1149 * octet seq[2]
1150 * octet status[2]
1151 * octet chal.id
1152 * octet chal.length
1153 * octet chal.text[253] NB: 1-253 bytes
1154 */
1155
1156 /* challenge length for shared key auth */
1157 #define IEEE80211_CHALLENGE_LEN 128
1158
1159 #define IEEE80211_AUTH_ALG_OPEN 0x0000
1160 #define IEEE80211_AUTH_ALG_SHARED 0x0001
1161 #define IEEE80211_AUTH_ALG_LEAP 0x0080
1162
1163 enum {
1164 IEEE80211_AUTH_OPEN_REQUEST = 1,
1165 IEEE80211_AUTH_OPEN_RESPONSE = 2,
1166 };
1167
1168 enum {
1169 IEEE80211_AUTH_SHARED_REQUEST = 1,
1170 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
1171 IEEE80211_AUTH_SHARED_RESPONSE = 3,
1172 IEEE80211_AUTH_SHARED_PASS = 4,
1173 };
1174
1175 /*
1176 * Reason and status codes.
1177 *
1178 * Reason codes are used in management frames to indicate why an
1179 * action took place (e.g. on disassociation). Status codes are
1180 * used in management frames to indicate the result of an operation.
1181 *
1182 * Unlisted codes are reserved
1183 */
1184
1185 enum {
1186 IEEE80211_REASON_UNSPECIFIED = 1,
1187 IEEE80211_REASON_AUTH_EXPIRE = 2,
1188 IEEE80211_REASON_AUTH_LEAVE = 3,
1189 IEEE80211_REASON_ASSOC_EXPIRE = 4,
1190 IEEE80211_REASON_ASSOC_TOOMANY = 5,
1191 IEEE80211_REASON_NOT_AUTHED = 6,
1192 IEEE80211_REASON_NOT_ASSOCED = 7,
1193 IEEE80211_REASON_ASSOC_LEAVE = 8,
1194 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
1195 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */
1196 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */
1197 IEEE80211_REASON_IE_INVALID = 13, /* 11i */
1198 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */
1199 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */
1200 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */
1201 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */
1202 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */
1203 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */
1204 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */
1205 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */
1206 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */
1207 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */
1208 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */
1209 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */
1210 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */
1211 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */
1212 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */
1213 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */
1214 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */
1215 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */
1216 IEEE80211_REASON_TIMEOUT = 39, /* 11e */
1217
1218 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */
1219 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */
1220 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */
1221 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */
1222 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */
1223 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */
1224 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */
1225 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */
1226 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */
1227 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */
1228 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */
1229 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */
1230 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
1231 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */
1232 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */
1233
1234 IEEE80211_STATUS_SUCCESS = 0,
1235 IEEE80211_STATUS_UNSPECIFIED = 1,
1236 IEEE80211_STATUS_CAPINFO = 10,
1237 IEEE80211_STATUS_NOT_ASSOCED = 11,
1238 IEEE80211_STATUS_OTHER = 12,
1239 IEEE80211_STATUS_ALG = 13,
1240 IEEE80211_STATUS_SEQUENCE = 14,
1241 IEEE80211_STATUS_CHALLENGE = 15,
1242 IEEE80211_STATUS_TIMEOUT = 16,
1243 IEEE80211_STATUS_TOOMANY = 17,
1244 IEEE80211_STATUS_BASIC_RATE = 18,
1245 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */
1246 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */
1247 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */
1248 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */
1249 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */
1250 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */
1251 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */
1252 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */
1253 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */
1254 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */
1255 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */
1256 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */
1257 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */
1258 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */
1259 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */
1260 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */
1261 };
1262
1263 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */
1264 #define IEEE80211_WEP_IVLEN 3 /* 24bit */
1265 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
1266 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
1267 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
1268 IEEE80211_WEP_KIDLEN + \
1269 IEEE80211_WEP_CRCLEN)
1270 #define IEEE80211_WEP_NKID 4 /* number of key ids */
1271
1272 /*
1273 * 802.11i defines an extended IV for use with non-WEP ciphers.
1274 * When the EXTIV bit is set in the key id byte an additional
1275 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1276 * EXTIV bit is likewise set but the 8 bytes represent the
1277 * CCMP header rather than IV+extended-IV.
1278 */
1279 #define IEEE80211_WEP_EXTIV 0x20
1280 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1281 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1282
1283 #define IEEE80211_CRC_LEN 4
1284
1285 /*
1286 * Maximum acceptable MTU is:
1287 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1288 * QoS overhead - RSN/WPA overhead
1289 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1290 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1291 */
1292 #define IEEE80211_MTU_MAX 2290
1293 #define IEEE80211_MTU_MIN 32
1294
1295 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1296 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1297 #define IEEE80211_ACK_LEN \
1298 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1299 #define IEEE80211_MIN_LEN \
1300 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1301
1302 /*
1303 * The 802.11 spec says at most 2007 stations may be
1304 * associated at once. For most AP's this is way more
1305 * than is feasible so we use a default of IEEE80211_AID_DEF.
1306 * This number may be overridden by the driver and/or by
1307 * user configuration but may not be less than IEEE80211_AID_MIN
1308 * (see _ieee80211.h for implementation-specific settings).
1309 */
1310 #define IEEE80211_AID_MAX 2007
1311
1312 #define IEEE80211_AID(b) ((b) &~ 0xc000)
1313
1314 /*
1315 * RTS frame length parameters. The default is specified in
1316 * the 802.11 spec as 512; we treat it as implementation-dependent
1317 * so it's defined in ieee80211_var.h. The max may be wrong
1318 * for jumbo frames.
1319 */
1320 #define IEEE80211_RTS_MIN 1
1321 #define IEEE80211_RTS_MAX 2346
1322
1323 /*
1324 * TX fragmentation parameters. As above for RTS, we treat
1325 * default as implementation-dependent so define it elsewhere.
1326 */
1327 #define IEEE80211_FRAG_MIN 256
1328 #define IEEE80211_FRAG_MAX 2346
1329
1330 /*
1331 * Beacon interval (TU's). Min+max come from WiFi requirements.
1332 * As above, we treat default as implementation-dependent so
1333 * define it elsewhere.
1334 */
1335 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */
1336 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */
1337
1338 /*
1339 * DTIM period (beacons). Min+max are not really defined
1340 * by the protocol but we want them publicly visible so
1341 * define them here.
1342 */
1343 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */
1344 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */
1345
1346 /*
1347 * Beacon miss threshold (beacons). As for DTIM, we define
1348 * them here to be publicly visible. Note the max may be
1349 * clamped depending on device capabilities.
1350 */
1351 #define IEEE80211_HWBMISS_MIN 1
1352 #define IEEE80211_HWBMISS_MAX 255
1353
1354 /*
1355 * 802.11 frame duration definitions.
1356 */
1357
1358 struct ieee80211_duration {
1359 uint16_t d_rts_dur;
1360 uint16_t d_data_dur;
1361 uint16_t d_plcp_len;
1362 uint8_t d_residue; /* unused octets in time slot */
1363 };
1364
1365 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1366 #define IEEE80211_DUR_TU 1024
1367
1368 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1369 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1370 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1371
1372 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1373 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1374 #define IEEE80211_DUR_DS_SLOW_ACK 112
1375 #define IEEE80211_DUR_DS_FAST_ACK 56
1376 #define IEEE80211_DUR_DS_SLOW_CTS 112
1377 #define IEEE80211_DUR_DS_FAST_CTS 56
1378
1379 #define IEEE80211_DUR_DS_SLOT 20
1380 #define IEEE80211_DUR_DS_SIFS 10
1381 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1382 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1383 2 * IEEE80211_DUR_DS_SLOT)
1384 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1385 IEEE80211_DUR_DS_SLOW_ACK + \
1386 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1387 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1388 IEEE80211_DUR_DIFS)
1389
1390 #endif /* _NET80211_IEEE80211_H_ */
DragonFly BSD