1/* $OpenBSD: ieee80211.h,v 1.66 2026/03/29 21:16:21 kirill Exp $ */
2/* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */
3
4/*-
5 * Copyright (c) 2001 Atsushi Onoe
6 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29#ifndef _NET80211_IEEE80211_H_
30#define _NET80211_IEEE80211_H_
31
32/*
33 * 802.11 protocol definitions.
34 */
35
36#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
37/* is 802.11 address multicast/broadcast? */
38#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
39
40/*
41 * Generic definitions for IEEE 802.11 frames.
42 */
43struct ieee80211_frame {
44 u_int8_t i_fc[2];
45 u_int8_t i_dur[2];
46 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
47 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
48 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
49 u_int8_t i_seq[2];
50} __packed;
51
52struct ieee80211_qosframe {
53 u_int8_t i_fc[2];
54 u_int8_t i_dur[2];
55 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
56 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
57 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
58 u_int8_t i_seq[2];
59 u_int8_t i_qos[2];
60} __packed;
61
62struct ieee80211_htframe { /* 11n */
63 u_int8_t i_fc[2];
64 u_int8_t i_dur[2];
65 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
66 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
67 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
68 u_int8_t i_seq[2];
69 u_int8_t i_qos[2];
70 u_int8_t i_ht[4];
71} __packed;
72
73struct ieee80211_frame_addr4 {
74 u_int8_t i_fc[2];
75 u_int8_t i_dur[2];
76 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
77 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
78 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
79 u_int8_t i_seq[2];
80 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
81} __packed;
82
83struct ieee80211_qosframe_addr4 {
84 u_int8_t i_fc[2];
85 u_int8_t i_dur[2];
86 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
87 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
88 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
89 u_int8_t i_seq[2];
90 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
91 u_int8_t i_qos[2];
92} __packed;
93
94struct ieee80211_htframe_addr4 { /* 11n */
95 u_int8_t i_fc[2];
96 u_int8_t i_dur[2];
97 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
98 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
99 u_int8_t i_addr3[IEEE80211_ADDR_LEN];
100 u_int8_t i_seq[2];
101 u_int8_t i_addr4[IEEE80211_ADDR_LEN];
102 u_int8_t i_qos[2];
103 u_int8_t i_ht[4];
104} __packed;
105
106#define IEEE80211_MAX_FRAME_HDR_LEN (sizeof(struct ieee80211_htframe_addr4))
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#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* 11n */
133/* for TYPE_CTL */
134#define IEEE80211_FC0_SUBTYPE_WRAPPER 0x70 /* 11n */
135#define IEEE80211_FC0_SUBTYPE_BAR 0x80
136#define IEEE80211_FC0_SUBTYPE_BA 0x90
137#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
138#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
139#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
140#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
141#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
142#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
143/* for TYPE_DATA (bit combination) */
144#define IEEE80211_FC0_SUBTYPE_DATA 0x00
145#define IEEE80211_FC0_SUBTYPE_DATA_CF_ACK 0x10
146#define IEEE80211_FC0_SUBTYPE_DATA_CF_POLL 0x20
147#define IEEE80211_FC0_SUBTYPE_DATA_CF_ACKPOLL 0x30
148#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
149#define IEEE80211_FC0_SUBTYPE_NODATA_CF_ACK 0x50
150#define IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL 0x60
151#define IEEE80211_FC0_SUBTYPE_NODATA_CF_ACKPOLL 0x70
152#define IEEE80211_FC0_SUBTYPE_QOS 0x80
153
154#define IEEE80211_FC1_DIR_MASK 0x03
155#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
156#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
157#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
158#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
159
160#define IEEE80211_FC1_MORE_FRAG 0x04
161#define IEEE80211_FC1_RETRY 0x08
162#define IEEE80211_FC1_PWR_MGT 0x10
163#define IEEE80211_FC1_MORE_DATA 0x20
164#define IEEE80211_FC1_PROTECTED 0x40
165#define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */
166#define IEEE80211_FC1_ORDER 0x80
167#define IEEE80211_FC1_BITS \
168 "\20\03MORE_FRAG\04RETRY\05PWR_MGT\06MORE_DATA" \
169 "\07PROTECTED\08ORDER"
170
171/*
172 * Sequence Control field (see 802.11-2012 8.2.4.4).
173 */
174#define IEEE80211_SEQ_FRAG_MASK 0x000f
175#define IEEE80211_SEQ_FRAG_SHIFT 0
176#define IEEE80211_SEQ_SEQ_MASK 0xfff0
177#define IEEE80211_SEQ_SEQ_SHIFT 4
178
179#define IEEE80211_NWID_LEN 32
180#define IEEE80211_MMIE_LEN 18 /* 11w */
181
182/*
183 * QoS Control field (see 802.11-2012 8.2.4.5).
184 */
185#define IEEE80211_QOS_TXOP 0xff00
186#define IEEE80211_QOS_AMSDU 0x0080 /* 11n */
187#define IEEE80211_QOS_ACK_POLICY_NORMAL 0x0000
188#define IEEE80211_QOS_ACK_POLICY_NOACK 0x0020
189#define IEEE80211_QOS_ACK_POLICY_NOEXPLACK 0x0040
190#define IEEE80211_QOS_ACK_POLICY_BA 0x0060
191#define IEEE80211_QOS_ACK_POLICY_MASK 0x0060
192#define IEEE80211_QOS_ACK_POLICY_SHIFT 5
193#define IEEE80211_QOS_EOSP 0x0010
194#define IEEE80211_QOS_TID 0x000f
195
196/*
197 * Control frames.
198 */
199struct ieee80211_frame_min {
200 u_int8_t i_fc[2];
201 u_int8_t i_dur[2];
202 u_int8_t i_addr1[IEEE80211_ADDR_LEN];
203 u_int8_t i_addr2[IEEE80211_ADDR_LEN];
204 /* FCS */
205} __packed;
206
207struct ieee80211_frame_rts {
208 u_int8_t i_fc[2];
209 u_int8_t i_dur[2];
210 u_int8_t i_ra[IEEE80211_ADDR_LEN];
211 u_int8_t i_ta[IEEE80211_ADDR_LEN];
212 /* FCS */
213} __packed;
214
215struct ieee80211_frame_cts {
216 u_int8_t i_fc[2];
217 u_int8_t i_dur[2];
218 u_int8_t i_ra[IEEE80211_ADDR_LEN];
219 /* FCS */
220} __packed;
221
222struct ieee80211_frame_ack {
223 u_int8_t i_fc[2];
224 u_int8_t i_dur[2];
225 u_int8_t i_ra[IEEE80211_ADDR_LEN];
226 /* FCS */
227} __packed;
228
229struct ieee80211_frame_pspoll {
230 u_int8_t i_fc[2];
231 u_int8_t i_aid[2];
232 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
233 u_int8_t i_ta[IEEE80211_ADDR_LEN];
234 /* FCS */
235} __packed;
236
237struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
238 u_int8_t i_fc[2];
239 u_int8_t i_dur[2]; /* should be zero */
240 u_int8_t i_ra[IEEE80211_ADDR_LEN];
241 u_int8_t i_bssid[IEEE80211_ADDR_LEN];
242 /* FCS */
243} __packed;
244
245#ifdef _KERNEL
246static __inline int
247ieee80211_has_seq(const struct ieee80211_frame *wh)
248{
249 return (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=
250 IEEE80211_FC0_TYPE_CTL;
251}
252
253static __inline int
254ieee80211_has_addr4(const struct ieee80211_frame *wh)
255{
256 return (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
257 IEEE80211_FC1_DIR_DSTODS;
258}
259
260static __inline int
261ieee80211_has_qos(const struct ieee80211_frame *wh)
262{
263 return (wh->i_fc[0] &
264 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) ==
265 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS);
266}
267
268static __inline int
269ieee80211_has_htc(const struct ieee80211_frame *wh)
270{
271 return (wh->i_fc[1] & IEEE80211_FC1_ORDER) &&
272 (ieee80211_has_qos(wh) ||
273 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
274 IEEE80211_FC0_TYPE_MGT);
275}
276
277static __inline u_int16_t
278ieee80211_get_qos(const struct ieee80211_frame *wh)
279{
280 const u_int8_t *frm;
281
282 if (ieee80211_has_addr4(wh))
283 frm = ((const struct ieee80211_qosframe_addr4 *)wh)->i_qos;
284 else
285 frm = ((const struct ieee80211_qosframe *)wh)->i_qos;
286
287 return letoh16(*(const u_int16_t *)frm);
288}
289#endif /* _KERNEL */
290
291/*
292 * Capability Information field (see 802.11-2012 8.4.1.4).
293 */
294#define IEEE80211_CAPINFO_ESS 0x0001
295#define IEEE80211_CAPINFO_IBSS 0x0002
296#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
297#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
298#define IEEE80211_CAPINFO_PRIVACY 0x0010
299#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
300#define IEEE80211_CAPINFO_PBCC 0x0040
301#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
302#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
303#define IEEE80211_CAPINFO_QOS 0x0200
304#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
305#define IEEE80211_CAPINFO_APSD 0x0800
306#define IEEE80211_CAPINFO_RADIO_MEASUREMENT 0x1000
307#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
308#define IEEE80211_CAPINFO_DELAYED_B_ACK 0x4000
309#define IEEE80211_CAPINFO_IMMEDIATE_B_ACK 0x8000
310#define IEEE80211_CAPINFO_BITS \
311 "\10\01ESS\02IBSS\03CF_POLLABLE\04CF_POLLREQ" \
312 "\05PRIVACY\06SHORT_PREAMBLE\07PBCC\10CHNL_AGILITY" \
313 "\11SPECTRUM_MGMT\12QOS\13SHORT_SLOTTIME\14APSD" \
314 "\15RADIO_MEASUREMENT\16DSSSOFDM\17DELAYED_B_ACK\20IMMEDIATE_B_ACK"
315
316/*
317 * Information element IDs (see 802.11-2012 Table 8.4.2).
318 */
319enum {
320 IEEE80211_ELEMID_SSID = 0,
321 IEEE80211_ELEMID_RATES = 1,
322 IEEE80211_ELEMID_FHPARMS = 2,
323 IEEE80211_ELEMID_DSPARMS = 3,
324 IEEE80211_ELEMID_CFPARMS = 4,
325 IEEE80211_ELEMID_TIM = 5,
326 IEEE80211_ELEMID_IBSSPARMS = 6,
327 IEEE80211_ELEMID_COUNTRY = 7,
328 IEEE80211_ELEMID_HOPPING_PARMS = 8,
329 IEEE80211_ELEMID_HOPPING_PATTERN = 9,
330 IEEE80211_ELEMID_REQUEST = 10,
331 IEEE80211_ELEMID_QBSS_LOAD = 11,
332 IEEE80211_ELEMID_EDCAPARMS = 12,
333 IEEE80211_ELEMID_TSPEC = 13,
334 IEEE80211_ELEMID_TCLASS = 14,
335 IEEE80211_ELEMID_SCHEDULE = 15,
336 IEEE80211_ELEMID_CHALLENGE = 16,
337 /* 17-31 reserved for challenge text extension */
338 IEEE80211_ELEMID_POWER_CONSTRAINT = 32,
339 IEEE80211_ELEMID_POWER_CAP = 33,
340 IEEE80211_ELEMID_TPC_REQUEST = 34,
341 IEEE80211_ELEMID_TPC_REPORT = 35,
342 IEEE80211_ELEMID_SUPP_CHNLS = 35,
343 IEEE80211_ELEMID_CSA = 37, /* 11h */
344 IEEE80211_ELEMID_MEASUREMENT_REQUEST = 38, /* DFS */
345 IEEE80211_ELEMID_MEASUREMENT_REPORT = 39, /* DFS */
346 IEEE80211_ELEMID_QUIET = 40,
347 IEEE80211_ELEMID_IBSS_DFS = 41,
348 IEEE80211_ELEMID_ERP = 42,
349 IEEE80211_ELEMID_TS_DELAY = 43,
350 IEEE80211_ELEMID_TCLAS = 44,
351 IEEE80211_ELEMID_HTCAPS = 45, /* 11n */
352 IEEE80211_ELEMID_QOS_CAP = 46,
353 /* 47 reserved */
354 IEEE80211_ELEMID_RSN = 48,
355 /* 49 reserved */
356 IEEE80211_ELEMID_XRATES = 50,
357 IEEE80211_ELEMID_AP_CHNL_REPORT = 51,
358 IEEE80211_ELEMID_NBR_REPORT = 52,
359 IEEE80211_ELEMID_RCPI = 53,
360 IEEE80211_ELEMID_MDE = 54,
361 IEEE80211_ELEMID_FTE = 55,
362 IEEE80211_ELEMID_TIE = 56, /* 11r */
363 IEEE80211_ELEMID_RDE = 57,
364 IEEE80211_ELEMID_DSE = 58,
365 IEEE80211_ELEMID_SUPP_OPCLASS = 59,
366 IEEE80211_ELEMID_XCSA = 60,
367 IEEE80211_ELEMID_HTOP = 61, /* 11n */
368 IEEE80211_ELEMID_SECONDARY_CHANL_OFFSET = 62, /* 11n */
369 IEEE80211_ELEMID_AVG_ACCESS_DELAY = 63,
370 IEEE80211_ELEMID_ANTENNA = 64,
371 IEEE80211_ELEMID_RSNI = 65,
372 IEEE80211_ELEMID_MEASUREMENT_PILOT_TX = 66,
373 IEEE80211_ELEMID_AVAIL_CAPACITY = 67,
374 IEEE80211_ELEMID_AC_ACCESS_DELAY = 68,
375 IEEE80211_ELEMID_TIME_ADVERT = 69,
376 IEEE80211_ELEMID_RM = 70,
377 IEEE80211_ELEMID_MULTI_BSSID = 71,
378 IEEE80211_ELEMID_20_40_CBW_COEX = 72, /* 11n */
379 IEEE80211_ELEMID_20_40_CBW_INTOLERANT = 73, /* 11n */
380 IEEE80211_ELEMID_SCAN_PARAM_OVERLAP = 74,
381 IEEE80211_ELEMID_RIC = 75,
382 IEEE80211_ELEMID_MMIE = 76, /* 11w */
383 IEEE80211_ELEMID_EVENT_REQUEST = 78,
384 IEEE80211_ELEMID_EVENT_REPORT = 79,
385 IEEE80211_ELEMID_DIAG_REQUEST = 80,
386 IEEE80211_ELEMID_DIAG_REPORT = 81,
387 IEEE80211_ELEMID_LOCATION_PARMS = 82,
388 IEEE80211_ELEMID_NONTX_BSSID = 83,
389 IEEE80211_ELEMID_SSID_LIST = 84,
390 IEEE80211_ELEMID_MULTI_BSSID_IDX = 85,
391 IEEE80211_ELEMID_FMS_DESC = 86,
392 IEEE80211_ELEMID_FMS_REQUEST = 87,
393 IEEE80211_ELEMID_FMS_RESPONSE = 88,
394 IEEE80211_ELEMID_QOS_TRAFFIC_CAP = 89,
395 IEEE80211_ELEMID_MAX_IDLE_PERIOD = 90,
396 IEEE80211_ELEMID_TFS_REQUEST = 91,
397 IEEE80211_ELEMID_TFS_RESPONSE = 92,
398 IEEE80211_ELEMID_WNM_SLEEP = 93,
399 IEEE80211_ELEMID_TIM_BCAST_REQUEST = 94,
400 IEEE80211_ELEMID_TIM_BCAST_RESPONSE = 95,
401 IEEE80211_ELEMID_INTERFERENCE_REPORT = 96,
402 IEEE80211_ELEMID_CHNL_USAGE = 97,
403 IEEE80211_ELEMID_TIME_ZONE = 98,
404 IEEE80211_ELEMID_DMS_REQUEST = 99,
405 IEEE80211_ELEMID_DMS_RESPONSE = 100,
406 IEEE80211_ELEMID_LINK_ID = 101,
407 IEEE80211_ELEMID_WAKE_SCHED = 102,
408 /* 103 undefined */
409 IEEE80211_ELEMID_CHNL_SWITCH_TIMING = 104,
410 IEEE80211_ELEMID_PTI_CTRL = 105,
411 IEEE80211_ELEMID_TPU_BUF_STATUS = 106,
412 IEEE80211_ELEMID_INTERWORKING = 107,
413 IEEE80211_ELEMID_ADVERT_PROTOCOL = 108,
414 IEEE80211_ELEMID_EXPEDITED_BW_REQUEST = 109,
415 IEEE80211_ELEMID_QOS_MAP_SET = 110,
416 IEEE80211_ELEMID_ROAMING_CONSORTIUM = 111,
417 IEEE80211_ELEMID_EMERGENCY_ALERT_ID = 112,
418 IEEE80211_ELEMID_MESHCONF = 113,
419 IEEE80211_ELEMID_MESHID = 114,
420 IEEE80211_ELEMID_MESHLINK = 115,
421 IEEE80211_ELEMID_MESHCNGST = 116,
422 IEEE80211_ELEMID_MESHPEER = 117,
423 IEEE80211_ELEMID_MESHCSA = 118,
424 IEEE80211_ELEMID_MESHAWAKEW = 119,
425 IEEE80211_ELEMID_MESHBEACONT = 120,
426 IEEE80211_ELEMID_MCCAOP_SETUP_REQUEST = 121,
427 IEEE80211_ELEMID_MCCAOP_SETUP_REPLY = 122,
428 IEEE80211_ELEMID_MCCAOP_ADVERT = 123,
429 IEEE80211_ELEMID_MCCAOP_TEARDOWN = 124,
430 IEEE80211_ELEMID_MESHGANN = 125,
431 IEEE80211_ELEMID_MESHRANN = 126,
432 IEEE80211_ELEMID_XCAPS = 127,
433 /* 128-129 reserved */
434 IEEE80211_ELEMID_MESHPREQ = 130,
435 IEEE80211_ELEMID_MESHPREP = 131,
436 IEEE80211_ELEMID_MESHPERR = 132,
437 /* 133-136 reserved */
438 IEEE80211_ELEMID_MESHPXU = 137,
439 IEEE80211_ELEMID_MESHPXUC = 138,
440 IEEE80211_ELEMID_AUTH_MESH_PEERING_XCHG = 139,
441 IEEE80211_ELEMID_MIC = 140,
442 IEEE80211_ELEMID_DEST_URI = 141,
443 IEEE80211_ELEMID_U_APSD_COEX = 142,
444 /* 143-174 reserved */
445 IEEE80211_ELEMID_MCCAOP_ADVERT_OVIEW = 174,
446 /* 175-190 reserved */
447 IEEE80211_ELEMID_VHTCAPS = 191, /* 11ac */
448 IEEE80211_ELEMID_VHTOP = 192, /* 11ac */
449 IEEE80211_ELEMID_EXT_BSS_LOAD = 193, /* 11ac */
450 IEEE80211_ELEMID_WIDEBAND_CHNL_SWITCH = 194, /* 11ac */
451 IEEE80211_ELEMID_VHT_TXPOWER = 195, /* 11ac */
452 IEEE80211_ELEMID_CHNL_SWITCH_WRAPPER = 196, /* 11ac */
453 IEEE80211_ELEMID_AID = 197, /* 11ac */
454 IEEE80211_ELEMID_QUIET_CHNL = 198, /* 11ac */
455 IEEE80211_ELEMID_OPMODE_NOTIF = 199, /* 11ac */
456 /* 200-220 reserved */
457 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
458 /* 222-254 reserved */
459 IEEE80211_ELEMID_EXTENSION = 255 /* Extension */
460};
461/*
462 * Extension element IDs
463 * Used with IEEE80211_ELEMID_EXTENSION (255)
464 */
465#define IEEE80211_ELEMID_EXT_HECAPS 35 /* 11ax HE Capabilities */
466#define IEEE80211_ELEMID_EXT_HEOP 36 /* 11ax HE Operation */
467
468/*
469 * Action field category values (see 802.11-2012 8.4.1.11 Table 8-38).
470 */
471enum {
472 IEEE80211_CATEG_SPECTRUM = 0,
473 IEEE80211_CATEG_QOS = 1,
474 IEEE80211_CATEG_DLS = 2,
475 IEEE80211_CATEG_BA = 3,
476 IEEE80211_CATEG_PUB = 4,
477 IEEE80211_CATEG_RADIO_MSRMNT = 5,
478 IEEE80211_CATEG_FAST_BSS_TRANS = 6,
479 IEEE80211_CATEG_HT = 7, /* 11n */
480 IEEE80211_CATEG_SA_QUERY = 8, /* 11w */
481 IEEE80211_CATEG_PROT_DUAL_PUBLIC_ACTION = 9,
482 IEEE80211_CATEG_WNM = 10,
483 IEEE80211_CATEG_UNPROT_WNM = 11,
484 IEEE80211_CATEG_TDLS = 12,
485 IEEE80211_CATEG_MESH = 13,
486 IEEE80211_CATEG_MULTIHOP = 14,
487 IEEE80211_CATEG_SELF_PROT = 15,
488 /* 16-125 reserved */
489 IEEE80211_CATEG_PROT_VENDOR = 126,
490 IEEE80211_CATEG_VENDOR = 127
491 /* 128-255 error */
492};
493
494/*
495 * Block Ack Action field values (see 802.11-2012 8.5.5 Table 8-202).
496 */
497#define IEEE80211_ACTION_ADDBA_REQ 0
498#define IEEE80211_ACTION_ADDBA_RESP 1
499#define IEEE80211_ACTION_DELBA 2
500/* 3-255 reserved */
501
502/*
503 * SA Query Action field values (see 802.11-2012 8.5.10 Table 8-227).
504 */
505#define IEEE80211_ACTION_SA_QUERY_REQ 0
506#define IEEE80211_ACTION_SA_QUERY_RESP 1
507
508/*
509 * HT Action field values (see 802.11-2012 8.5.12 Table 8-229).
510 */
511#define IEEE80211_ACTION_NOTIFYCW 0
512#define IEEE80211_ACTION_SM_PWRSAVE 1
513#define IEEE80211_ACTION_PSMP 2
514#define IEEE80211_ACTION_SET_PCO_PHASE 3
515#define IEEE80211_ACTION_CSI 4
516#define IEEE80211_ACTION_NONCOMPRESSED_BF 5
517#define IEEE80211_ACTION_COMPRESSED_BF 6
518#define IEEE80211_ACTION_ASEL_IDX_FEEDBACK 7
519/* 8-255 reserved */
520
521#define IEEE80211_RATE_BASIC 0x80
522#define IEEE80211_RATE_VAL 0x7f
523#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
524#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
525
526#define IEEE80211_HT_NUM_MCS 77
527#define IEEE80211_VHT_NUM_MCS 10
528#define IEEE80211_HE_NUM_MCS 12
529
530/*
531 * BlockAck/BlockAckReq Control field (see 802.11-2012 8.3.1.9 Figure 8-25).
532 */
533#define IEEE80211_BA_ACK_POLICY 0x0001
534#define IEEE80211_BA_MULTI_TID 0x0002
535#define IEEE80211_BA_COMPRESSED 0x0004
536#define IEEE80211_BA_TID_INFO_MASK 0xf000
537#define IEEE80211_BA_TID_INFO_SHIFT 12
538
539/*
540 * ADDBA Parameter Set field (see 802.11-2012 8.4.1.14 Figure 8-48).
541 */
542#define IEEE80211_ADDBA_AMSDU 0x0001 /* A-MSDU in A-MPDU supported */
543#define IEEE80211_ADDBA_BA_POLICY 0x0002 /* 1=immediate BA 0=delayed BA */
544#define IEEE80211_ADDBA_TID_MASK 0x003c
545#define IEEE80211_ADDBA_TID_SHIFT 2
546#define IEEE80211_ADDBA_BUFSZ_MASK 0xffc0
547#define IEEE80211_ADDBA_BUFSZ_SHIFT 6
548
549/*
550 * DELBA Parameter Set field (see 802.11-2012 8.4.1.16 Figure 8-50).
551 */
552#define IEEE80211_DELBA_INITIATOR 0x0800
553#define IEEE80211_DELBA_TID_INFO_MASK 0xf000
554#define IEEE80211_DELBA_TID_INFO_SHIFT 12
555
556/*
557 * ERP information element parameters (see 802.11-2012 8.4.2.14 Figure 8-95).
558 */
559#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
560#define IEEE80211_ERP_USE_PROTECTION 0x02
561#define IEEE80211_ERP_BARKER_MODE 0x04
562
563/*
564 * RSN capabilities (see 802.11-2012 8.4.2.27.4).
565 */
566#define IEEE80211_RSNCAP_PREAUTH 0x0001
567#define IEEE80211_RSNCAP_NOPAIRWISE 0x0002
568#define IEEE80211_RSNCAP_PTKSA_RCNT_MASK 0x000c
569#define IEEE80211_RSNCAP_PTKSA_RCNT_SHIFT 2
570#define IEEE80211_RSNCAP_GTKSA_RCNT_MASK 0x0030
571#define IEEE80211_RSNCAP_GTKSA_RCNT_SHIFT 4
572#define IEEE80211_RSNCAP_RCNT1 0
573#define IEEE80211_RSNCAP_RCNT2 1
574#define IEEE80211_RSNCAP_RCNT4 2
575#define IEEE80211_RSNCAP_RCNT16 3
576#define IEEE80211_RSNCAP_MFPR 0x0040 /* 11w */
577#define IEEE80211_RSNCAP_MFPC 0x0080 /* 11w */
578#define IEEE80211_RSNCAP_PEERKEYENA 0x0200
579#define IEEE80211_RSNCAP_SPPAMSDUC 0x0400 /* 11n */
580#define IEEE80211_RSNCAP_SPPAMSDUR 0x0800 /* 11n */
581#define IEEE80211_RSNCAP_PBAC 0x1000 /* 11n */
582#define IEEE80211_RSNCAP_EXTENDED_KEYID 0x2000
583
584/*
585 * HT Capabilities Info (see 802.11-2012 8.4.2.58.2).
586 */
587#define IEEE80211_HTCAP_LDPC 0x00000001
588#define IEEE80211_HTCAP_CBW20_40 0x00000002
589#define IEEE80211_HTCAP_SMPS_MASK 0x0000000c
590#define IEEE80211_HTCAP_SMPS_SHIFT 2
591#define IEEE80211_HTCAP_SMPS_STA 0
592#define IEEE80211_HTCAP_SMPS_DYN 1
593#define IEEE80211_HTCAP_SMPS_DIS 3
594#define IEEE80211_HTCAP_GF 0x00000010
595#define IEEE80211_HTCAP_SGI20 0x00000020
596#define IEEE80211_HTCAP_SGI40 0x00000040
597#define IEEE80211_HTCAP_TXSTBC 0x00000080
598#define IEEE80211_HTCAP_RXSTBC_MASK 0x00000300
599#define IEEE80211_HTCAP_RXSTBC_SHIFT 8
600#define IEEE80211_HTCAP_DELAYEDBA 0x00000400
601#define IEEE80211_HTCAP_AMSDU7935 0x00000800
602#define IEEE80211_HTCAP_DSSSCCK40 0x00001000
603#define IEEE80211_HTCAP_PSMP 0x00002000
604#define IEEE80211_HTCAP_40INTOLERANT 0x00004000
605#define IEEE80211_HTCAP_LSIGTXOPPROT 0x00008000
606
607/*
608 * HT A-MPDU parameters (see 802.11-2012 8.4.2.58.3).
609 */
610#define IEEE80211_AMPDU_PARAM_LE 0x03
611#define IEEE80211_AMPDU_PARAM_SS 0x1c
612#define IEEE80211_AMPDU_PARAM_SS_NONE (0 << 2)
613#define IEEE80211_AMPDU_PARAM_SS_0_25 (1 << 2)
614#define IEEE80211_AMPDU_PARAM_SS_0_5 (2 << 2)
615#define IEEE80211_AMPDU_PARAM_SS_1 (3 << 2)
616#define IEEE80211_AMPDU_PARAM_SS_2 (4 << 2)
617#define IEEE80211_AMPDU_PARAM_SS_4 (5 << 2)
618#define IEEE80211_AMPDU_PARAM_SS_8 (6 << 2)
619#define IEEE80211_AMPDU_PARAM_SS_16 (7 << 2)
620/* bits 5-7 reserved */
621
622/*
623 * HT Supported MCS Set (see 802.11-2012 8.4.2.58.4).
624 * This field is 16 bytes in size. Bitmasks given below
625 * operate on 8 or 16 bit integer subsets of this field
626 * for use with ieee80211com and ieee80211_node.
627 */
628/* Bits 0-76: Supported Rx MCS bitmask */
629/* Bits 77-79: Reserved */
630/* Bits 80-89: Highest Rx rate in units of 1MB/s */
631#define IEEE80211_MCS_RX_RATE_HIGH 0x03ff
632/* Bits 90-95: Reserved */
633/* Bits 96-100: Tx MCS set */
634#define IEEE80211_TX_MCS_SET_DEFINED 0x01
635#define IEEE80211_TX_RX_MCS_NOT_EQUAL 0x02
636#define IEEE80211_TX_SPATIAL_STREAMS 0x0c
637#define IEEE80211_TX_UNEQUAL_MODULATION 0x10
638/* Bits 101-127: Reserved */
639
640/*
641 * HT Extended Capabilities (see 802.11-2012 8.4.2.58.5).
642 */
643#define IEEE80211_HTXCAP_PCO 0x0001
644#define IEEE80211_HTXCAP_PCOTT_MASK 0x0006
645#define IEEE80211_HTXCAP_PCOTT_SHIFT 1
646#define IEEE80211_HTXCAP_PCOTT_400 1
647#define IEEE80211_HTXCAP_PCOTT_1500 2
648#define IEEE80211_HTXCAP_PCOTT_5000 3
649/* Bits 3-7 are reserved. */
650#define IEEE80211_HTXCAP_MFB_MASK 0x0300
651#define IEEE80211_HTXCAP_MFB_SHIFT 8
652#define IEEE80211_HTXCAP_MFB_NONE 0
653#define IEEE80211_HTXCAP_MFB_UNSOL 2
654#define IEEE80211_HTXCAP_MFB_BOTH 3
655#define IEEE80211_HTXCAP_HTC 0x0400
656#define IEEE80211_HTXCAP_RDRESP 0x0800
657/* Bits 12-15 are reserved. */
658
659/*
660 * Transmit Beamforming (TxBF) Capabilities (see 802.11-2012 8.4.2.58.6).
661 */
662#define IEEE80211_TXBFCAP_IMPLICIT_RX 0x00000001
663#define IEEE80211_TXBFCAP_RSSC 0x00000002
664#define IEEE80211_TXBFCAP_TSSC 0x00000004
665#define IEEE80211_TXBFCAP_RNDP 0x00000008
666#define IEEE80211_TXBFCAP_TNDP 0x00000010
667#define IEEE80211_TXBFCAP_IMPLICIT_TX 0x00000020
668#define IEEE80211_TXBFCAP_CALIB_MASK 0x000000c0
669#define IEEE80211_TXBFCAP_CALIB_SHIFT 6
670#define IEEE80211_TXBFCAP_TX_CSI 0x00000100
671#define IEEE80211_TXBFCAP_EXPLICIT_NSC 0x00000200
672#define IEEE80211_TXBFCAP_EXPLICIT_CSC 0x00000400
673#define IEEE80211_TXBFCAP_CSI_FB_DELAYED 0x00000800
674#define IEEE80211_TXBFCAP_CSI_FB_IMMEDIATE 0x00001000
675#define IEEE80211_TXBFCAP_EXPLICIT_NB_FB_DELAYED 0x00002000
676#define IEEE80211_TXBFCAP_EXPLICIT_NB_FB_IMMEDIATE 0x00004000
677#define IEEE80211_TXBFCAP_EXPLICIT_CB_FB_DELAYED 0x00008000
678#define IEEE80211_TXBFCAP_EXPLICIT_CB_FB_IMMEDIATE 0x00010000
679#define IEEE80211_TXBFCAP_MINIMAL_GROUPING_1_2 0x00020000
680#define IEEE80211_TXBFCAP_MINIMAL_GROUPING_1_4 0x00040000
681#define IEEE80211_TXBFCAP_CSI_NUM_ANT_MASK 0x00180000
682#define IEEE80211_TXBFCAP_CSI_NUM_ANT_SHIFT 19
683#define IEEE80211_TXBFCAP_NS_NUM_ANT_MASK 0x00600000
684#define IEEE80211_TXBFCAP_NS_NUM_ANT_SHIFT 21
685#define IEEE80211_TXBFCAP_CS_NUM_ANT_MASK 0x01800000
686#define IEEE80211_TXBFCAP_CS_NUM_ANT_SHIFT 23
687#define IEEE80211_TXBFCAP_CSI_NUM_ROWS_MASK 0x06000000
688#define IEEE80211_TXBFCAP_CSI_NUM_ROWS_SHIFT 25
689#define IEEE80211_TXBFCAP_CHANL_ESTIMATE_MASK 0x18000000
690#define IEEE80211_TXBFCAP_CHANL_ESTIMATE_SHIFT 27
691
692/*
693 * Antenna Selection (ASEL) Capability (see 802.11-2012 8.4.2.58.7).
694 */
695#define IEEE80211_ASELCAP_ASEL 0x01
696#define IEEE80211_ASELCAP_CSIFB_TX 0x02
697#define IEEE80211_ASELCAP_ANT_IDX_FB_TX 0x04
698#define IEEE80211_ASELCAP_CSIFB 0x08
699#define IEEE80211_ASELCAP_ANT_IDX_FB 0x10
700#define IEEE80211_ASELCAP_ASEL_RX 0x20
701#define IEEE80211_ASELCAP_TX_SOUND_PPDU 0x20
702/* Bit 7 is reserved. */
703
704/*
705 * HT Operation element (see 802.11-2012 8.4.2.59).
706 */
707/* Byte 0 contains primary channel number. */
708/* Byte 1. */
709#define IEEE80211_HTOP0_SCO_MASK 0x03
710#define IEEE80211_HTOP0_SCO_SHIFT 0
711#define IEEE80211_HTOP0_SCO_SCN 0
712#define IEEE80211_HTOP0_SCO_SCA 1
713#define IEEE80211_HTOP0_SCO_SCB 3
714#define IEEE80211_HTOP0_CHW 0x04
715#define IEEE80211_HTOP0_RIFS 0x08
716/* bits 4-7 reserved */
717/* Bytes 2-3. */
718#define IEEE80211_HTOP1_PROT_MASK 0x0003
719#define IEEE80211_HTOP1_PROT_SHIFT 0
720#define IEEE80211_HTOP1_NONGF_STA 0x0004
721/* Bit 3 is reserved. */
722#define IEEE80211_HTOP1_OBSS_NONHT_STA 0x0010
723#define IEEE80211_HTOP1_CCFS2_SHIFT 5
724#define IEEE80211_HTOP1_CCFS2_MASK 0x1fe0
725/* Bytes 4-5. */
726/* Bits 0-5 are reserved. */
727#define IEEE80211_HTOP2_DUALBEACON 0x0040
728#define IEEE80211_HTOP2_DUALCTSPROT 0x0080
729#define IEEE80211_HTOP2_STBCBEACON 0x0100
730#define IEEE80211_HTOP2_LSIGTXOP 0x0200
731#define IEEE80211_HTOP2_PCOACTIVE 0x0400
732#define IEEE80211_HTOP2_PCOPHASE40 0x0800
733/* Bits 12-15 are reserved. */
734
735/*
736 * VHT Capabilities Info (see 802.11ac-2013 8.4.2.160.2).
737 */
738#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_MASK 0x00000003
739#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_SHIFT 0
740#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0
741#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 1
742#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 2
743#define IEEE80211_VHTCAP_CHAN_WIDTH_MASK 0x0c
744#define IEEE80211_VHTCAP_CHAN_WIDTH_SHIFT 2
745#define IEEE80211_VHTCAP_CHAN_WIDTH_80 0
746#define IEEE80211_VHTCAP_CHAN_WIDTH_160 1
747#define IEEE80211_VHTCAP_CHAN_WIDTH_160_8080 2
748#define IEEE80211_VHTCAP_RX_LDPC 0x00000010
749#define IEEE80211_VHTCAP_SGI80 0x00000020
750#define IEEE80211_VHTCAP_SGI160 0x00000040
751#define IEEE80211_VHTCAP_TX_STBC 0x00000080
752#define IEEE80211_VHTCAP_RX_STBC_SS_MASK 0x00000700
753#define IEEE80211_VHTCAP_RX_STBC_SS_SHIFT 8
754#define IEEE80211_VHTCAP_SU_BEAMFORMER 0x00000800
755#define IEEE80211_VHTCAP_SU_BEAMFORMEE 0x00001000
756#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK 0x0000e000
757#define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13
758#define IEEE80211_VHTCAP_NUM_STS_MASK 0x00070000
759#define IEEE80211_VHTCAP_NUM_STS_SHIFT 16
760#define IEEE80211_VHTCAP_MU_BEAMFORMER 0x00080000
761#define IEEE80211_VHTCAP_MU_BEAMFORMEE 0x00100000
762#define IEEE80211_VHTCAP_TXOP_PS 0x00200000
763#define IEEE80211_VHTCAP_HTC_VHT 0x00400000
764#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_MASK 0x03800000
765#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_SHIFT 23
766#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_8K 0
767#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_16K 1
768#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_32K 2
769#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_64K 3
770#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_128K 4
771#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_256K 5
772#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_512K 6
773#define IEEE80211_VHTCAP_MAX_AMPDU_LEN_1024K 7
774#define IEEE80211_VHTCAP_LINK_ADAPT_MASK 0x0c000000
775#define IEEE80211_VHTCAP_LINK_ADAPT_SHIFT 26
776#define IEEE80211_VHTCAP_LINK_ADAPT_UNSOL_MFB 2
777#define IEEE80211_VHTCAP_LINK_ADAPT_MRQ_MFB 3
778#define IEEE80211_VHTCAP_RX_ANT_PATTERN 0x10000000
779#define IEEE80211_VHTCAP_TX_ANT_PATTERN 0x20000000
780#define IEEE80211_VHTCAP_EXT_NSS_BW_SHIFT 30
781#define IEEE80211_VHTCAP_EXT_NSS_BW_MASK 0xc0000000
782
783/*
784 * VHT-MCS and NSS map (see 802.11ac-2013 8.4.2.160.3, Figure 8-401bs).
785 * Set of VHT MCS supported for a given number of spatial streams, `n'.
786 * Used by the VHT capabilities IE and by the basic VHT MSC set in
787 * the VHT operation IE.
788 */
789#define IEEE80211_VHT_MCS_FOR_SS_MASK(n) (0x3 << (2*((n)-1)))
790#define IEEE80211_VHT_MCS_FOR_SS_SHIFT(n) (2*((n)-1))
791#define IEEE80211_VHT_MCS_0_7 0
792#define IEEE80211_VHT_MCS_0_8 1
793#define IEEE80211_VHT_MCS_0_9 2
794#define IEEE80211_VHT_MCS_SS_NOT_SUPP 3
795
796#define IEEE80211_VHT_MAX_LGI_MBIT_S_MASK 0x1fff
797#define IEEE80211_VHT_MAX_LGI_MBIT_S_SHIFT 0
798#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
799
800/* The highest number of spatial streams supported by VHT. */
801#define IEEE80211_VHT_NUM_SS 8
802
803/*
804 * VHT Operation element (see 802.11ac-2013 8.4.2.161).
805 */
806/* Byte 0. */
807#define IEEE80211_VHTOP0_CHAN_WIDTH_MASK 0x03
808#define IEEE80211_VHTOP0_CHAN_WIDTH_SHIFT 0
809#define IEEE80211_VHTOP0_CHAN_WIDTH_HT 0
810#define IEEE80211_VHTOP0_CHAN_WIDTH_80 1
811#define IEEE80211_VHTOP0_CHAN_WIDTH_160 2
812#define IEEE80211_VHTOP0_CHAN_WIDTH_8080 3
813/* Byte 1 contains channel center frequency index 0 for 80, 80+80, 160 MHz. */
814/* Byte 2 contains channel center frequency index 1 for 80+80 MHz only. */
815
816
817/*
818 * 802.11ax (HE) definitions.
819 */
820
821/* HE Capabilities element fixed fields */
822#define IEEE80211_HE_MAC_CAPS_LEN 6
823#define IEEE80211_HE_PHY_CAPS_LEN 11
824#define IEEE80211_HE_CAPS_FIXED_LEN (IEEE80211_HE_MAC_CAPS_LEN + \
825 IEEE80211_HE_PHY_CAPS_LEN)
826
827/* HE Tx/Rx MCS NSS Support field size for 80 MHz */
828#define IEEE80211_HE_MCS_NSS_80_LEN 4
829
830/* Minimum length of the HE Capabilities element body (includes Ext ID) */
831#define IEEE80211_HE_CAPS_MINLEN (1 + IEEE80211_HE_CAPS_FIXED_LEN + \
832 IEEE80211_HE_MCS_NSS_80_LEN)
833
834/*
835 * Selected HE PHY capability bits (phy_cap_info[0])
836 * These are used to determine the presence of additional MCS/NSS maps.
837 */
838#define IEEE80211_HE_PHYCAP0_CHAN_WIDTH_40_IN_2G 0x02
839#define IEEE80211_HE_PHYCAP0_CHAN_WIDTH_40_80_IN_5G 0x04
840#define IEEE80211_HE_PHYCAP0_CHAN_WIDTH_160_IN_5G 0x08
841#define IEEE80211_HE_PHYCAP0_CHAN_WIDTH_8080_IN_5G 0x10
842
843/*
844 * Size of the HE Tx/Rx MCS NSS Support field, in bytes, for a given
845 * HE PHY capabilities byte 0.
846 */
847#define IEEE80211_HE_MCS_NSS_SIZE(_phycap0) (IEEE80211_HE_MCS_NSS_80_LEN + \
848 ((((_phycap0) & IEEE80211_HE_PHYCAP0_CHAN_WIDTH_160_IN_5G) ? 4 : 0)) + \
849 ((((_phycap0) & IEEE80211_HE_PHYCAP0_CHAN_WIDTH_8080_IN_5G) ? 4 : 0)))
850
851/*
852 * HE MCS and NSS map (HE-MCS/NSS set)
853 *
854 * Set of HE MCS supported for a given number of spatial streams, `n'.
855 * Used by the HE capabilities IE and by the basic HE MCS set in
856 * the HE operation IE.
857 */
858#define IEEE80211_HE_MCS_FOR_SS_MASK(n) (0x3 << (2 * ((n) - 1)))
859#define IEEE80211_HE_MCS_FOR_SS_SHIFT(n) (2 * ((n) - 1))
860#define IEEE80211_HE_MCS_0_7 0
861#define IEEE80211_HE_MCS_0_9 1
862#define IEEE80211_HE_MCS_0_11 2
863#define IEEE80211_HE_MCS_SS_NOT_SUPP 3
864
865/* The highest number of spatial streams supported by HE */
866#define IEEE80211_HE_NUM_SS 8
867
868/*
869 * HE Operation element fixed fields (not including the Ext ID byte)
870 */
871#define IEEE80211_HEOP_PARAMS_LEN 4
872#define IEEE80211_HEOP_BASIC_MCS_LEN 2
873#define IEEE80211_HEOP_FIXED_LEN (IEEE80211_HEOP_PARAMS_LEN + \
874 IEEE80211_HEOP_BASIC_MCS_LEN)
875
876/*
877 * EDCA Access Categories.
878 */
879enum ieee80211_edca_ac {
880 EDCA_AC_BK = 1, /* Background */
881 EDCA_AC_BE = 0, /* Best Effort */
882 EDCA_AC_VI = 2, /* Video */
883 EDCA_AC_VO = 3 /* Voice */
884};
885#define EDCA_NUM_AC 4
886
887/* number of TID values (traffic identifier) */
888#define IEEE80211_NUM_TID 16
889
890/* Atheros private advanced capabilities info */
891#define ATHEROS_CAP_TURBO_PRIME 0x01
892#define ATHEROS_CAP_COMPRESSION 0x02
893#define ATHEROS_CAP_FAST_FRAME 0x04
894/* bits 3-6 reserved */
895#define ATHEROS_CAP_BOOST 0x80
896
897/*-
898 * Organizationally Unique Identifiers.
899 * See http://standards.ieee.org/regauth/oui/oui.txt for a list.
900 */
901#define ATHEROS_OUI ((const u_int8_t[]){ 0x00, 0x03, 0x7f })
902#define BROADCOM_OUI ((const u_int8_t[]){ 0x00, 0x90, 0x4c })
903#define IEEE80211_OUI ((const u_int8_t[]){ 0x00, 0x0f, 0xac })
904#define MICROSOFT_OUI ((const u_int8_t[]){ 0x00, 0x50, 0xf2 })
905
906#define IEEE80211_AUTH_ALGORITHM(auth) \
907 ((auth)[0] | ((auth)[1] << 8))
908#define IEEE80211_AUTH_TRANSACTION(auth) \
909 ((auth)[2] | ((auth)[3] << 8))
910#define IEEE80211_AUTH_STATUS(auth) \
911 ((auth)[4] | ((auth)[5] << 8))
912
913/*
914 * Authentication Algorithm Number field (see 7.3.1.1).
915 */
916#define IEEE80211_AUTH_ALG_OPEN 0x0000
917#define IEEE80211_AUTH_ALG_SHARED 0x0001
918#define IEEE80211_AUTH_ALG_LEAP 0x0080
919
920/*
921 * Authentication Transaction Sequence Number field (see 7.3.1.2).
922 */
923enum {
924 IEEE80211_AUTH_OPEN_REQUEST = 1,
925 IEEE80211_AUTH_OPEN_RESPONSE = 2
926};
927enum {
928 IEEE80211_AUTH_SHARED_REQUEST = 1,
929 IEEE80211_AUTH_SHARED_CHALLENGE = 2,
930 IEEE80211_AUTH_SHARED_RESPONSE = 3,
931 IEEE80211_AUTH_SHARED_PASS = 4
932};
933
934/*
935 * Reason codes (see Table 22).
936 */
937enum {
938 IEEE80211_REASON_UNSPECIFIED = 1,
939 IEEE80211_REASON_AUTH_EXPIRE = 2,
940 IEEE80211_REASON_AUTH_LEAVE = 3,
941 IEEE80211_REASON_ASSOC_EXPIRE = 4,
942 IEEE80211_REASON_ASSOC_TOOMANY = 5,
943 IEEE80211_REASON_NOT_AUTHED = 6,
944 IEEE80211_REASON_NOT_ASSOCED = 7,
945 IEEE80211_REASON_ASSOC_LEAVE = 8,
946 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
947
948 /* XXX the following two reason codes are not correct */
949 IEEE80211_REASON_RSN_REQUIRED = 11,
950 IEEE80211_REASON_RSN_INCONSISTENT = 12,
951
952 IEEE80211_REASON_IE_INVALID = 13,
953 IEEE80211_REASON_MIC_FAILURE = 14,
954 IEEE80211_REASON_4WAY_TIMEOUT = 15,
955 IEEE80211_REASON_GROUP_TIMEOUT = 16,
956 IEEE80211_REASON_RSN_DIFFERENT_IE = 17,
957 IEEE80211_REASON_BAD_GROUP_CIPHER = 18,
958 IEEE80211_REASON_BAD_PAIRWISE_CIPHER = 19,
959 IEEE80211_REASON_BAD_AKMP = 20,
960 IEEE80211_REASON_RSN_IE_VER_UNSUP = 21,
961 IEEE80211_REASON_RSN_IE_BAD_CAP = 22,
962
963 IEEE80211_REASON_CIPHER_REJ_POLICY = 24,
964
965 IEEE80211_REASON_SETUP_REQUIRED = 38,
966 IEEE80211_REASON_TIMEOUT = 39
967};
968
969/*
970 * Status codes (see Table 23).
971 */
972enum {
973 IEEE80211_STATUS_SUCCESS = 0,
974 IEEE80211_STATUS_UNSPECIFIED = 1,
975 IEEE80211_STATUS_CAPINFO = 10,
976 IEEE80211_STATUS_NOT_ASSOCED = 11,
977 IEEE80211_STATUS_OTHER = 12,
978 IEEE80211_STATUS_ALG = 13,
979 IEEE80211_STATUS_SEQUENCE = 14,
980 IEEE80211_STATUS_CHALLENGE = 15,
981 IEEE80211_STATUS_TIMEOUT = 16,
982 IEEE80211_STATUS_TOOMANY = 17,
983 IEEE80211_STATUS_BASIC_RATE = 18,
984 IEEE80211_STATUS_SP_REQUIRED = 19,
985 IEEE80211_STATUS_PBCC_REQUIRED = 20,
986 IEEE80211_STATUS_CA_REQUIRED = 21,
987 IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
988 IEEE80211_STATUS_RATES = 23,
989 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
990 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
991
992 IEEE80211_STATUS_TRY_AGAIN_LATER = 30,
993 IEEE80211_STATUS_MFP_POLICY = 31,
994
995 IEEE80211_STATUS_REFUSED = 37,
996 IEEE80211_STATUS_INVALID_PARAM = 38,
997
998 IEEE80211_STATUS_IE_INVALID = 40,
999 IEEE80211_STATUS_BAD_GROUP_CIPHER = 41,
1000 IEEE80211_STATUS_BAD_PAIRWISE_CIPHER = 42,
1001 IEEE80211_STATUS_BAD_AKMP = 43,
1002 IEEE80211_STATUS_RSN_IE_VER_UNSUP = 44,
1003
1004 IEEE80211_STATUS_CIPHER_REJ_POLICY = 46
1005};
1006
1007#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
1008#define IEEE80211_WEP_NKID 4 /* number of key ids */
1009#define IEEE80211_CHALLENGE_LEN 128
1010
1011/* WEP header constants */
1012#define IEEE80211_WEP_IVLEN 3 /* 24bit */
1013#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
1014#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
1015#define IEEE80211_CRC_LEN 4
1016#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
1017 IEEE80211_WEP_KIDLEN + \
1018 IEEE80211_WEP_CRCLEN)
1019
1020/*
1021 * 802.11i defines an extended IV for use with non-WEP ciphers.
1022 * When the EXTIV bit is set in the key id byte an additional
1023 * 4 bytes immediately follow the IV for TKIP. For CCMP the
1024 * EXTIV bit is likewise set but the 8 bytes represent the
1025 * CCMP header rather than IV+extended-IV.
1026 */
1027#define IEEE80211_WEP_EXTIV 0x20
1028#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
1029#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
1030
1031/*
1032 * Maximum acceptable MTU is:
1033 * IEEE80211_MAX_LEN - WEP overhead - CRC -
1034 * QoS overhead - RSN/WPA overhead
1035 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
1036 * mtu is Ethernet-compatible; it's set by ether_ifattach.
1037 */
1038#define IEEE80211_MTU_MAX 2290
1039#define IEEE80211_MTU_MIN 32
1040
1041#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
1042 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1043#define IEEE80211_ACK_LEN \
1044 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1045#define IEEE80211_MIN_LEN \
1046 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1047
1048/*
1049 * The 802.11 spec says at most 2007 stations may be
1050 * associated at once. For most AP's this is way more
1051 * than is feasible so we use a default of 1800. This
1052 * number may be overridden by the driver and/or by
1053 * user configuration.
1054 */
1055#define IEEE80211_AID_MAX 2007
1056#define IEEE80211_AID_DEF 1800
1057#define IEEE80211_AID(b) ((b) &~ 0xc000)
1058
1059/*
1060 * RTS frame length parameters. The default is specified in
1061 * the 802.11 spec. The max may be wrong for jumbo frames.
1062 */
1063#define IEEE80211_RTS_DEFAULT 512
1064#define IEEE80211_RTS_MIN 1
1065#define IEEE80211_RTS_MAX IEEE80211_MAX_LEN
1066
1067#define IEEE80211_PLCP_SERVICE 0x00
1068#define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */
1069#define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */
1070
1071/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1072#define IEEE80211_DUR_TU 1024
1073
1074/* IEEE 802.11b durations for DSSS PHY in microseconds */
1075#define IEEE80211_DUR_DS_LONG_PREAMBLE 144
1076#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72
1077#define IEEE80211_DUR_DS_PREAMBLE_DIFFERENCE \
1078 (IEEE80211_DUR_DS_LONG_PREAMBLE - IEEE80211_DUR_DS_SHORT_PREAMBLE)
1079#define IEEE80211_DUR_DS_FAST_PLCPHDR 24
1080#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48
1081#define IEEE80211_DUR_DS_PLCPHDR_DIFFERENCE \
1082 (IEEE80211_DUR_DS_SLOW_PLCPHDR - IEEE80211_DUR_DS_FAST_PLCPHDR)
1083#define IEEE80211_DUR_DS_SLOW_ACK 112
1084#define IEEE80211_DUR_DS_FAST_ACK 56
1085#define IEEE80211_DUR_DS_SLOW_CTS 112
1086#define IEEE80211_DUR_DS_FAST_CTS 56
1087#define IEEE80211_DUR_DS_SLOT 20
1088#define IEEE80211_DUR_DS_SHSLOT 9
1089#define IEEE80211_DUR_DS_SIFS 10
1090#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1091#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
1092 2 * IEEE80211_DUR_DS_SLOT)
1093#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
1094 IEEE80211_DUR_DS_SLOW_ACK + \
1095 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1096 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1097 IEEE80211_DUR_DIFS)
1098
1099/*
1100 * The RSNA key descriptor used by IEEE 802.11 does not use the IEEE 802.1X
1101 * key descriptor. Instead, it uses the key descriptor described in 8.5.2.
1102 */
1103#define EAPOL_KEY_NONCE_LEN 32
1104#define EAPOL_KEY_IV_LEN 16
1105#define EAPOL_KEY_MIC_LEN 16
1106
1107struct ieee80211_eapol_key {
1108 u_int8_t version;
1109#define EAPOL_VERSION 1
1110
1111 u_int8_t type;
1112/* IEEE Std 802.1X-2004, 7.5.4 (only type EAPOL-Key is used here) */
1113#define EAP_PACKET 0
1114#define EAPOL_START 1
1115#define EAPOL_LOGOFF 2
1116#define EAPOL_KEY 3
1117#define EAPOL_ASF_ALERT 4
1118
1119 u_int8_t len[2];
1120 u_int8_t desc;
1121/* IEEE Std 802.1X-2004, 7.6.1 */
1122#define EAPOL_KEY_DESC_RC4 1 /* deprecated */
1123#define EAPOL_KEY_DESC_IEEE80211 2
1124#define EAPOL_KEY_DESC_WPA 254 /* non-standard WPA */
1125
1126 u_int8_t info[2];
1127#define EAPOL_KEY_VERSION_MASK 0x7
1128#define EAPOL_KEY_DESC_V1 1
1129#define EAPOL_KEY_DESC_V2 2
1130#define EAPOL_KEY_DESC_V3 3 /* 11r */
1131#define EAPOL_KEY_PAIRWISE (1 << 3)
1132#define EAPOL_KEY_INSTALL (1 << 6) /* I */
1133#define EAPOL_KEY_KEYACK (1 << 7) /* A */
1134#define EAPOL_KEY_KEYMIC (1 << 8) /* M */
1135#define EAPOL_KEY_SECURE (1 << 9) /* S */
1136#define EAPOL_KEY_ERROR (1 << 10)
1137#define EAPOL_KEY_REQUEST (1 << 11)
1138#define EAPOL_KEY_ENCRYPTED (1 << 12)
1139#define EAPOL_KEY_SMK (1 << 13)
1140/* WPA compatibility */
1141#define EAPOL_KEY_WPA_KID_MASK 0x3
1142#define EAPOL_KEY_WPA_KID_SHIFT 4
1143#define EAPOL_KEY_WPA_TX EAPOL_KEY_INSTALL
1144
1145 u_int8_t keylen[2];
1146 u_int8_t replaycnt[8];
1147 u_int8_t nonce[EAPOL_KEY_NONCE_LEN];
1148 u_int8_t iv[EAPOL_KEY_IV_LEN];
1149 u_int8_t rsc[8];
1150 u_int8_t reserved[8];
1151 u_int8_t mic[EAPOL_KEY_MIC_LEN];
1152 u_int8_t paylen[2];
1153} __packed;
1154
1155/* Pairwise Transient Key (see 8.5.1.2) */
1156struct ieee80211_ptk {
1157 u_int8_t kck[16]; /* Key Confirmation Key */
1158 u_int8_t kek[16]; /* Key Encryption Key */
1159 u_int8_t tk[32]; /* Temporal Key */
1160} __packed;
1161
1162#define IEEE80211_PMKID_LEN 16
1163#define IEEE80211_SMKID_LEN 16
1164
1165/*
1166 * Key Data Encapsulation (see Table 62).
1167 */
1168enum {
1169 IEEE80211_KDE_GTK = 1,
1170 IEEE80211_KDE_MACADDR = 3,
1171 IEEE80211_KDE_PMKID = 4,
1172 IEEE80211_KDE_SMK = 5,
1173 IEEE80211_KDE_NONCE = 6,
1174 IEEE80211_KDE_LIFETIME = 7,
1175 IEEE80211_KDE_ERROR = 8,
1176 IEEE80211_KDE_IGTK = 9 /* 11w */
1177};
1178
1179/*
1180 * HT protection modes (see 802.11-2012 8.4.2.59)
1181 */
1182enum ieee80211_htprot {
1183 IEEE80211_HTPROT_NONE = 0, /* only 20/40MHz HT STAs exist */
1184 IEEE80211_HTPROT_NONMEMBER, /* non-HT STA overlaps our channel */
1185 IEEE80211_HTPROT_20MHZ, /* 20MHz HT STA on a 40MHz channel */
1186 IEEE80211_HTPROT_NONHT_MIXED /* non-HT STA associated to our BSS */
1187};
1188
1189#endif /* _NET80211_IEEE80211_H_ */