xref: /freebsd/sys/net80211/ieee80211.h (revision 7899f917b1c0ea178f1d2be0cfb452086d079d23)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2001 Atsushi Onoe
5  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 struct ieee80211_qosframe_addr4 {
103 	uint8_t		i_fc[2];
104 	uint8_t		i_dur[2];
105 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
106 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
107 	uint8_t		i_addr3[IEEE80211_ADDR_LEN];
108 	uint8_t		i_seq[2];
109 	uint8_t		i_addr4[IEEE80211_ADDR_LEN];
110 	uint8_t		i_qos[2];
111 } __packed;
112 
113 #define	IEEE80211_FC0_VERSION_MASK		0x03
114 #define	IEEE80211_FC0_VERSION_SHIFT		0
115 #define	IEEE80211_FC0_VERSION_0			0x00
116 #define	IEEE80211_FC0_TYPE_MASK			0x0c
117 #define	IEEE80211_FC0_TYPE_SHIFT		2
118 #define	IEEE80211_FC0_TYPE_MGT			0x00	/* Management */
119 #define	IEEE80211_FC0_TYPE_CTL			0x04	/* Control */
120 #define	IEEE80211_FC0_TYPE_DATA			0x08	/* Data */
121 #define	IEEE80211_FC0_TYPE_EXT			0x0c	/* Extension */
122 
123 #define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
124 #define	IEEE80211_FC0_SUBTYPE_SHIFT		4
125 /* 802.11-2020 Table 9-1-Valid type and subtype combinations */
126 /* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */
127 #define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00	/* Association Request */
128 #define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10	/* Association Response */
129 #define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20	/* Reassociation Request */
130 #define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30	/* Reassociation Response */
131 #define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40	/* Probe Request */
132 #define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50	/* Probe Response */
133 #define	IEEE80211_FC0_SUBTYPE_TIMING_ADV	0x60	/* Timing Advertisement */
134 /* 0111 Reserved				0x70 */
135 #define	IEEE80211_FC0_SUBTYPE_BEACON		0x80	/* Beacon */
136 #define	IEEE80211_FC0_SUBTYPE_ATIM		0x90	/* ATIM */
137 #define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0	/* Disassociation */
138 #define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0	/* Authentication */
139 #define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0	/* Deauthentication */
140 #define	IEEE80211_FC0_SUBTYPE_ACTION		0xd0	/* Action */
141 #define	IEEE80211_FC0_SUBTYPE_ACTION_NOACK	0xe0	/* Action No Ack */
142 /* 1111 Reserved				0xf0 */
143 /* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */
144 /* 0000-0001 Reserved				0x00-0x10 */
145 #define	IEEE80211_FC0_SUBTYPE_TRIGGER		0x20	/* Trigger, 80211ax-2021 */
146 #define	IEEE80211_FC0_SUBTYPE_TACK		0x30	/* TACK */
147 #define	IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL	0x40	/* Beamforming Report Poll */
148 #define	IEEE80211_FC0_SUBTYPE_VHT_HE_NDP	0x50	/* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */
149 #define	IEEE80211_FC0_SUBTYPE_CTL_EXT		0x60	/* Control Frame Extension */
150 #define	IEEE80211_FC0_SUBTYPE_CONTROL_WRAP	0x70	/* Control Wrapper */
151 #define	IEEE80211_FC0_SUBTYPE_BAR		0x80	/* Block Ack Request (BlockAckReq) */
152 #define	IEEE80211_FC0_SUBTYPE_BA		0x90	/* Block Ack (BlockAck) */
153 #define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0	/* PS-Poll */
154 #define	IEEE80211_FC0_SUBTYPE_RTS		0xb0	/* RTS */
155 #define	IEEE80211_FC0_SUBTYPE_CTS		0xc0	/* CTS */
156 #define	IEEE80211_FC0_SUBTYPE_ACK		0xd0	/* Ack */
157 #define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0	/* CF-End */
158 #define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0	/* 1111 Reserved - what was CF_END_ACK? */
159 /* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */
160 #define	IEEE80211_FC0_SUBTYPE_DATA		0x00	/* Data */
161 /* 0001-0011 Reserved				0x10-0x30 */	/* Were: CF_ACK, CF_POLL, CF_ACPL */
162 #define	IEEE80211_FC0_SUBTYPE_NODATA		0x40	/* Null */
163 /* 0101-0111 Reserved				0x50-0x70 */	/* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */
164 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA		0x80	/* QoS Data */
165 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK	0x90	/* QoS Data +CF-Ack */
166 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL	0xa0	/* QoS Data +CF-Poll */
167 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0	/* QoS Data +CF-Ack +CF-Poll */
168 #define	IEEE80211_FC0_SUBTYPE_QOS_NULL		0xc0	/* QoS Null */
169 /* 1101 Reserved				0xd0 */
170 #define	IEEE80211_FC0_SUBTYPE_QOS_CFPOLL	0xe0	/* QoS CF-Poll */
171 #define	IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL	0xf0	/* QoS CF-Ack +CF-Poll */
172 /* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */
173 #define	IEEE80211_FC0_SUBTYPE_DMG_BEACON	0x00	/* DMG Beacon */
174 #define	IEEE80211_FC0_SUBTYPE_S1G_BEACON	0x10	/* S1G Beacon */
175 /* 0010-1111 Reserved				0x20-0xff */
176 
177 /* 802.11-2020 Table 9-2-Control Frame Extension */
178 /* Reusing B11..B8, part of FC1 */
179 #define	IEEE80211_CTL_EXT_SECTOR_ACK		0x00	/* Sector Ack, 80211ay-2021 */
180 #define	IEEE80211_CTL_EXT_BA_SCHED		0x01	/* Block Ack Schedule, 80211ay-2021 */
181 #define	IEEE80211_CTL_EXT_POLL			0x02	/* Poll */
182 #define	IEEE80211_CTL_EXT_SPR			0x03	/* SPR */
183 #define	IEEE80211_CTL_EXT_GRANT			0x04	/* Grant */
184 #define	IEEE80211_CTL_EXT_DMG_CTS		0x05	/* DMG CTS */
185 #define	IEEE80211_CTL_EXT_DMG_DTS		0x06	/* DMG DTS */
186 #define	IEEE80211_CTL_EXT_GRANT_ACK		0x07	/* Grant Ack */
187 #define	IEEE80211_CTL_EXT_SSW			0x08	/* SSW */
188 #define	IEEE80211_CTL_EXT_SSW_FBACK		0x09	/* SSW-Feedback */
189 #define	IEEE80211_CTL_EXT_SSW_ACK		0x0a	/* SSW-Ack */
190 #define	IEEE80211_CTL_EXT_TDD_BF		0x0b	/* TDD Beamforming, 80211ay-2021 */
191 /* 1100-1111 Reserved				0xc-0xf */
192 
193 #define	IEEE80211_IS_MGMT(wh)					\
194 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
195 	    == IEEE80211_FC0_TYPE_MGT))
196 #define	IEEE80211_IS_CTL(wh)					\
197 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
198 	    == IEEE80211_FC0_TYPE_CTL))
199 #define	IEEE80211_IS_DATA(wh)					\
200 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
201 	    == IEEE80211_FC0_TYPE_DATA))
202 #define	IEEE80211_IS_EXT(wh)					\
203 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
204 	    == IEEE80211_FC0_TYPE_EXT))
205 
206 #define	IEEE80211_FC0_QOSDATA \
207 	(IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS_DATA|IEEE80211_FC0_VERSION_0)
208 
209 #define	IEEE80211_IS_QOSDATA(wh) \
210 	((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA)
211 
212 #define	IEEE80211_FC1_DIR_MASK			0x03
213 #define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
214 #define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
215 #define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
216 #define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */
217 
218 #define	IEEE80211_IS_DSTODS(wh) \
219 	(((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
220 
221 #define	IEEE80211_FC1_MORE_FRAG			0x04
222 #define	IEEE80211_FC1_RETRY			0x08
223 #define	IEEE80211_FC1_PWR_MGT			0x10
224 #define	IEEE80211_FC1_MORE_DATA			0x20
225 #define	IEEE80211_FC1_PROTECTED			0x40
226 #define	IEEE80211_FC1_ORDER			0x80
227 
228 #define	IEEE80211_IS_PROTECTED(wh) \
229 	((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED)
230 
231 #define IEEE80211_HAS_SEQ(type, subtype) \
232 	((type) != IEEE80211_FC0_TYPE_CTL && \
233 	!((type) == IEEE80211_FC0_TYPE_DATA && \
234 	 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
235 		      IEEE80211_FC0_SUBTYPE_QOS_NULL))
236 #define	IEEE80211_SEQ_FRAG_MASK			0x000f
237 #define	IEEE80211_SEQ_FRAG_SHIFT		0
238 #define	IEEE80211_SEQ_SEQ_MASK			0xfff0
239 #define	IEEE80211_SEQ_SEQ_SHIFT			4
240 #define	IEEE80211_SEQ_RANGE			4096
241 
242 #define	IEEE80211_SEQ_ADD(seq, incr) \
243 	(((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
244 #define	IEEE80211_SEQ_INC(seq)	IEEE80211_SEQ_ADD(seq,1)
245 #define	IEEE80211_SEQ_SUB(a, b) \
246 	(((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
247 
248 #define	IEEE80211_SEQ_BA_RANGE			2048	/* 2^11 */
249 #define	IEEE80211_SEQ_BA_BEFORE(a, b) \
250 	(IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
251 
252 #define	IEEE80211_NWID_LEN			32
253 #define	IEEE80211_MESHID_LEN			32
254 
255 #define	IEEE80211_QOS_CTL_LEN			2
256 
257 #define	IEEE80211_QOS_TXOP			0x00ff
258 /* bit 8 is reserved */
259 #define	IEEE80211_QOS_AMSDU			0x80
260 #define	IEEE80211_QOS_AMSDU_S			7
261 #define	IEEE80211_QOS_ACKPOLICY			0x60
262 #define	IEEE80211_QOS_ACKPOLICY_S		5
263 #define	IEEE80211_QOS_ACKPOLICY_NOACK		0x20	/* No ACK required */
264 #define	IEEE80211_QOS_ACKPOLICY_BA		0x60	/* Block ACK */
265 #define	IEEE80211_QOS_EOSP			0x10	/* EndOfService Period*/
266 #define	IEEE80211_QOS_EOSP_S			4
267 #define	IEEE80211_QOS_TID			0x0f
268 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
269 #define IEEE80211_QOS_MC			0x01	/* Mesh control */
270 /* Mesh power save level*/
271 #define IEEE80211_QOS_MESH_PSL			0x02
272 /* Mesh Receiver Service Period Initiated */
273 #define IEEE80211_QOS_RSPI			0x04
274 /* bits 11 to 15 reserved */
275 
276 /* does frame have QoS sequence control data */
277 #define	IEEE80211_QOS_HAS_SEQ(wh) \
278 	(((wh)->i_fc[0] & \
279 	  (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \
280 	  (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA))
281 
282 /*
283  * WME/802.11e information element.
284  */
285 struct ieee80211_wme_info {
286 	uint8_t		wme_id;		/* IEEE80211_ELEMID_VENDOR */
287 	uint8_t		wme_len;	/* length in bytes */
288 	uint8_t		wme_oui[3];	/* 0x00, 0x50, 0xf2 */
289 	uint8_t		wme_type;	/* OUI type */
290 	uint8_t		wme_subtype;	/* OUI subtype */
291 	uint8_t		wme_version;	/* spec revision */
292 	uint8_t		wme_info;	/* QoS info */
293 } __packed;
294 
295 /*
296  * WME/802.11e Tspec Element
297  */
298 struct ieee80211_wme_tspec {
299 	uint8_t		ts_id;
300 	uint8_t		ts_len;
301 	uint8_t		ts_oui[3];
302 	uint8_t		ts_oui_type;
303 	uint8_t		ts_oui_subtype;
304 	uint8_t		ts_version;
305 	uint8_t		ts_tsinfo[3];
306 	uint8_t		ts_nom_msdu[2];
307 	uint8_t		ts_max_msdu[2];
308 	uint8_t		ts_min_svc[4];
309 	uint8_t		ts_max_svc[4];
310 	uint8_t		ts_inactv_intv[4];
311 	uint8_t		ts_susp_intv[4];
312 	uint8_t		ts_start_svc[4];
313 	uint8_t		ts_min_rate[4];
314 	uint8_t		ts_mean_rate[4];
315 	uint8_t		ts_max_burst[4];
316 	uint8_t		ts_min_phy[4];
317 	uint8_t		ts_peak_rate[4];
318 	uint8_t		ts_delay[4];
319 	uint8_t		ts_surplus[2];
320 	uint8_t		ts_medium_time[2];
321 } __packed;
322 
323 /*
324  * WME AC parameter field
325  */
326 struct ieee80211_wme_acparams {
327 	uint8_t		acp_aci_aifsn;
328 	uint8_t		acp_logcwminmax;
329 	uint16_t	acp_txop;
330 } __packed;
331 
332 #define WME_NUM_AC		4	/* 4 AC categories */
333 #define	WME_NUM_TID		16	/* 16 tids */
334 
335 #define WME_PARAM_ACI		0x60	/* Mask for ACI field */
336 #define WME_PARAM_ACI_S		5	/* Shift for ACI field */
337 #define WME_PARAM_ACM		0x10	/* Mask for ACM bit */
338 #define WME_PARAM_ACM_S		4	/* Shift for ACM bit */
339 #define WME_PARAM_AIFSN		0x0f	/* Mask for aifsn field */
340 #define WME_PARAM_AIFSN_S	0	/* Shift for aifsn field */
341 #define WME_PARAM_LOGCWMIN	0x0f	/* Mask for CwMin field (in log) */
342 #define WME_PARAM_LOGCWMIN_S	0	/* Shift for CwMin field */
343 #define WME_PARAM_LOGCWMAX	0xf0	/* Mask for CwMax field (in log) */
344 #define WME_PARAM_LOGCWMAX_S	4	/* Shift for CwMax field */
345 
346 #define WME_AC_TO_TID(_ac) (       \
347 	((_ac) == WME_AC_VO) ? 6 : \
348 	((_ac) == WME_AC_VI) ? 5 : \
349 	((_ac) == WME_AC_BK) ? 1 : \
350 	0)
351 
352 #define TID_TO_WME_AC(_tid) (      \
353 	((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
354 	((_tid) < 3) ? WME_AC_BK : \
355 	((_tid) < 6) ? WME_AC_VI : \
356 	WME_AC_VO)
357 
358 /*
359  * WME Parameter Element
360  */
361 struct ieee80211_wme_param {
362 	uint8_t		param_id;
363 	uint8_t		param_len;
364 	uint8_t		param_oui[3];
365 	uint8_t		param_oui_type;
366 	uint8_t		param_oui_subtype;
367 	uint8_t		param_version;
368 	uint8_t		param_qosInfo;
369 #define	WME_QOSINFO_COUNT	0x0f	/* Mask for param count field */
370 	uint8_t		param_reserved;
371 	struct ieee80211_wme_acparams	params_acParams[WME_NUM_AC];
372 } __packed;
373 
374 /*
375  * WME U-APSD qos info field defines
376  */
377 #define	WME_CAPINFO_UAPSD_EN                    0x00000080
378 #define	WME_CAPINFO_UAPSD_VO                    0x00000001
379 #define	WME_CAPINFO_UAPSD_VI                    0x00000002
380 #define	WME_CAPINFO_UAPSD_BK                    0x00000004
381 #define	WME_CAPINFO_UAPSD_BE                    0x00000008
382 #define	WME_CAPINFO_UAPSD_ACFLAGS_SHIFT         0
383 #define	WME_CAPINFO_UAPSD_ACFLAGS_MASK          0xF
384 #define	WME_CAPINFO_UAPSD_MAXSP_SHIFT           5
385 #define	WME_CAPINFO_UAPSD_MAXSP_MASK            0x3
386 #define	WME_CAPINFO_IE_OFFSET                   8
387 #define	WME_UAPSD_MAXSP(_qosinfo)				\
388 	    (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) &	\
389 	    WME_CAPINFO_UAPSD_MAXSP_MASK)
390 #define	WME_UAPSD_AC_ENABLED(_ac, _qosinfo)			\
391 	    ((1 << (3 - (_ac))) & (				\
392 	    ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) &	\
393 	    WME_CAPINFO_UAPSD_ACFLAGS_MASK))
394 
395 /*
396  * Management Notification Frame
397  */
398 struct ieee80211_mnf {
399 	uint8_t		mnf_category;
400 	uint8_t		mnf_action;
401 	uint8_t		mnf_dialog;
402 	uint8_t		mnf_status;
403 } __packed;
404 #define	MNF_SETUP_REQ	0
405 #define	MNF_SETUP_RESP	1
406 #define	MNF_TEARDOWN	2
407 
408 /*
409  * 802.11n Management Action Frames
410  */
411 /* generic frame format */
412 struct ieee80211_action {
413 	uint8_t		ia_category;
414 	uint8_t		ia_action;
415 } __packed;
416 
417 /* 80211-2020 Table 9-51-Category values */
418 #define	IEEE80211_ACTION_CAT_SM			0	/* 9.6.2 Spectrum Management */
419 #define	IEEE80211_ACTION_CAT_QOS		1	/* 9.6.3 QoS */
420 /* Reserved					2	was IEEE80211_ACTION_CAT_DLS */
421 #define	IEEE80211_ACTION_CAT_BA			3	/* 9.6.4 Block Ack */
422 #define	IEEE80211_ACTION_CAT_PUBLIC		4	/* 9.6.7 Public */
423 #define	IEEE80211_ACTION_CAT_RADIO_MEASUREMENT	5	/* 9.6.6 Radio Measurement */
424 #define	IEEE80211_ACTION_CAT_FAST_BBS_TRANSITION 6	/* 9.6.8 Fast BSS Transition */
425 #define	IEEE80211_ACTION_CAT_HT			7	/* 9.6.11 HT */
426 #define	IEEE80211_ACTION_CAT_SA_QUERY		8	/* 9.6.9 SA Query */
427 #define	IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */
428 #define	IEEE80211_ACTION_CAT_WNM		10	/* 9.6.13 WNM */
429 #define	IEEE80211_ACTION_CAT_UNPROTECTED_WNM	11	/* 9.6.14 Unprotected WNM */
430 #define	IEEE80211_ACTION_CAT_TDLS		12	/* 9.6.12 TDLS */
431 #define	IEEE80211_ACTION_CAT_MESH		13	/* 9.6.16 Mesh */
432 #define	IEEE80211_ACTION_CAT_MULTIHOP		14	/* 9.6.17 Multihop */
433 #define	IEEE80211_ACTION_CAT_SELF_PROT		15	/* 9.6.15 Self-protected */
434 #define	IEEE80211_ACTION_CAT_DMG		16	/* 9.6.19 DMG */
435 /* Reserved					17	(R)Wi-Fi Alliance */
436 #define	IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18	/* 9.6.20 Fast Session Transfer */
437 #define	IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19	/* 9.6.18 Robust AV Streaming */
438 #define	IEEE80211_ACTION_CAT_UNPROTECTED_DMG	20	/* 9.6.21 Unprotected DMG */
439 #define	IEEE80211_ACTION_CAT_VHT		21	/* 9.6.22 VHT */
440 #define	IEEE80211_ACTION_CAT_UNPROTECTED_S1G	22	/* 9.6.24 Unprotected S1G */
441 #define	IEEE80211_ACTION_CAT_S1G		23	/* 9.6.25 S1G */
442 #define	IEEE80211_ACTION_CAT_FLOW_CONTROL	24	/* 9.6.26 Flow Control */
443 #define	IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG	25	/* 9.6.27 Control Response MCS Negotiation */
444 #define	IEEE80211_ACTION_CAT_FILS		26	/* 9.6.23 FILS */
445 #define	IEEE80211_ACTION_CAT_CDMG		27	/* 9.6.28 CDMG */
446 #define	IEEE80211_ACTION_CAT_CMMG		28	/* 9.6.29 CMMG */
447 #define	IEEE80211_ACTION_CAT_GLK		29	/* 9.6.30 GLK */
448 #define	IEEE80211_ACTION_CAT_HE			30	/* 9.6.31 HE, 80211ax-2021 */
449 #define	IEEE80211_ACTION_CAT_PROTECTED_HE	31	/* 9.6.32 Protected HE, 80211ax-2021 */
450 /* Reserved					32-125 */
451 #define	IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */
452 #define	IEEE80211_ACTION_CAT_VENDOR		127	/* 9.6.5 Vendor-specific */
453 /* Error					128-255 */
454 
455 
456 /* 80211-2020 Table 9-346-Spectrum Management Action field values */
457 enum ieee80211_action_sm {
458 	IEEE80211_ACTION_SM_SMREQ		= 0,	/* Spectrum Measurement Request */
459 	IEEE80211_ACTION_SM_SMREP		= 1,	/* Spectrum Measurement Report */
460 	IEEE80211_ACTION_SM_TPCREQ		= 2,	/* TPC Request */
461 	IEEE80211_ACTION_SM_TPCREP		= 3,	/* TPC Report */
462 	IEEE80211_ACTION_SM_CSA			= 4,	/* Channel Switch Announcement */
463 	/* Reserved				= 5-255 */
464 };
465 
466 /* 80211-2020 Table 9-363-Radio Measurement Action field values */
467 enum ieee80211_action_radio_measurement {
468 	IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ	= 0,	/* Radio Measurement Request */
469 	IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP	= 1,	/* Radio Measurement Report */
470 	IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ	= 2,	/* Link Measurement Request */
471 	IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP	= 3,	/* Link Measurement Report */
472 	IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ	= 4,	/* Neighbor Report Request */
473 	IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP	= 5,	/* Neighbor Report Response */
474 	/* Reserved					= 6-255 */
475 };
476 
477 #define	IEEE80211_ACTION_HT_TXCHWIDTH	0	/* recommended xmit chan width*/
478 #define	IEEE80211_ACTION_HT_MIMOPWRSAVE	1	/* MIMO power save */
479 
480 /* HT - recommended transmission channel width */
481 struct ieee80211_action_ht_txchwidth {
482 	struct ieee80211_action	at_header;
483 	uint8_t		at_chwidth;
484 } __packed;
485 
486 #define	IEEE80211_A_HT_TXCHWIDTH_20	0
487 #define	IEEE80211_A_HT_TXCHWIDTH_2040	1
488 
489 /* HT - MIMO Power Save (NB: D2.04) */
490 struct ieee80211_action_ht_mimopowersave {
491 	struct ieee80211_action am_header;
492 	uint8_t		am_control;
493 } __packed;
494 
495 #define	IEEE80211_A_HT_MIMOPWRSAVE_ENA		0x01	/* PS enabled */
496 #define	IEEE80211_A_HT_MIMOPWRSAVE_MODE		0x02
497 #define	IEEE80211_A_HT_MIMOPWRSAVE_MODE_S	1
498 #define	IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC	0x02	/* Dynamic Mode */
499 #define	IEEE80211_A_HT_MIMOPWRSAVE_STATIC	0x00	/* no SM packets */
500 /* bits 2-7 reserved */
501 
502 /* Block Ack actions */
503 #define IEEE80211_ACTION_BA_ADDBA_REQUEST       0   /* ADDBA request */
504 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE      1   /* ADDBA response */
505 #define IEEE80211_ACTION_BA_DELBA	        2   /* DELBA */
506 
507 /* Block Ack Parameter Set */
508 #define	IEEE80211_BAPS_BUFSIZ	0xffc0		/* buffer size */
509 #define	IEEE80211_BAPS_BUFSIZ_S	6
510 #define	IEEE80211_BAPS_TID	0x003c		/* TID */
511 #define	IEEE80211_BAPS_TID_S	2
512 #define	IEEE80211_BAPS_POLICY	0x0002		/* block ack policy */
513 #define	IEEE80211_BAPS_POLICY_S	1
514 #define	IEEE80211_BAPS_AMSDU	0x0001		/* A-MSDU permitted */
515 #define	IEEE80211_BAPS_AMSDU_S	0
516 
517 #define	IEEE80211_BAPS_POLICY_DELAYED	(0<<IEEE80211_BAPS_POLICY_S)
518 #define	IEEE80211_BAPS_POLICY_IMMEDIATE	(1<<IEEE80211_BAPS_POLICY_S)
519 
520 /* Block Ack Sequence Control */
521 #define	IEEE80211_BASEQ_START	0xfff0		/* starting seqnum */
522 #define	IEEE80211_BASEQ_START_S	4
523 #define	IEEE80211_BASEQ_FRAG	0x000f		/* fragment number */
524 #define	IEEE80211_BASEQ_FRAG_S	0
525 
526 /* Delayed Block Ack Parameter Set */
527 #define	IEEE80211_DELBAPS_TID	0xf000		/* TID */
528 #define	IEEE80211_DELBAPS_TID_S	12
529 #define	IEEE80211_DELBAPS_INIT	0x0800		/* initiator */
530 #define	IEEE80211_DELBAPS_INIT_S 11
531 
532 /* BA - ADDBA request */
533 struct ieee80211_action_ba_addbarequest {
534 	struct ieee80211_action rq_header;
535 	uint8_t		rq_dialogtoken;
536 	uint16_t	rq_baparamset;
537 	uint16_t	rq_batimeout;		/* in TUs */
538 	uint16_t	rq_baseqctl;
539 } __packed;
540 
541 /* BA - ADDBA response */
542 struct ieee80211_action_ba_addbaresponse {
543 	struct ieee80211_action rs_header;
544 	uint8_t		rs_dialogtoken;
545 	uint16_t	rs_statuscode;
546 	uint16_t	rs_baparamset;
547 	uint16_t	rs_batimeout;		/* in TUs */
548 } __packed;
549 
550 /* BA - DELBA */
551 struct ieee80211_action_ba_delba {
552 	struct ieee80211_action dl_header;
553 	uint16_t	dl_baparamset;
554 	uint16_t	dl_reasoncode;
555 } __packed;
556 
557 /* BAR Control */
558 #define	IEEE80211_BAR_TID	0xf000		/* TID */
559 #define	IEEE80211_BAR_TID_S	12
560 #define	IEEE80211_BAR_COMP	0x0004		/* Compressed Bitmap */
561 #define	IEEE80211_BAR_MTID	0x0002		/* Multi-TID */
562 #define	IEEE80211_BAR_NOACK	0x0001		/* No-Ack policy */
563 
564 /* BAR Starting Sequence Control */
565 #define	IEEE80211_BAR_SEQ_START	0xfff0		/* starting seqnum */
566 #define	IEEE80211_BAR_SEQ_START_S	4
567 
568 struct ieee80211_ba_request {
569 	uint16_t	rq_barctl;
570 	uint16_t	rq_barseqctl;
571 } __packed;
572 
573 /*
574  * Control frames.
575  */
576 struct ieee80211_frame_min {
577 	uint8_t		i_fc[2];
578 	uint8_t		i_dur[2];
579 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
580 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
581 	/* FCS */
582 } __packed;
583 
584 struct ieee80211_frame_rts {
585 	uint8_t		i_fc[2];
586 	uint8_t		i_dur[2];
587 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
588 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
589 	/* FCS */
590 } __packed;
591 
592 struct ieee80211_frame_cts {
593 	uint8_t		i_fc[2];
594 	uint8_t		i_dur[2];
595 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
596 	/* FCS */
597 } __packed;
598 
599 struct ieee80211_frame_ack {
600 	uint8_t		i_fc[2];
601 	uint8_t		i_dur[2];
602 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
603 	/* FCS */
604 } __packed;
605 
606 struct ieee80211_frame_pspoll {
607 	uint8_t		i_fc[2];
608 	uint8_t		i_aid[2];
609 	uint8_t		i_bssid[IEEE80211_ADDR_LEN];
610 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
611 	/* FCS */
612 } __packed;
613 
614 struct ieee80211_frame_cfend {		/* NB: also CF-End+CF-Ack */
615 	uint8_t		i_fc[2];
616 	uint8_t		i_dur[2];	/* should be zero */
617 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
618 	uint8_t		i_bssid[IEEE80211_ADDR_LEN];
619 	/* FCS */
620 } __packed;
621 
622 struct ieee80211_frame_bar {
623 	uint8_t		i_fc[2];
624 	uint8_t		i_dur[2];
625 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
626 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
627 	uint16_t	i_ctl;
628 	uint16_t	i_seq;
629 	/* FCS */
630 } __packed;
631 
632 /*
633  * BEACON management packets
634  *
635  *	octet timestamp[8]
636  *	octet beacon interval[2]
637  *	octet capability information[2]
638  *	information element
639  *		octet elemid
640  *		octet length
641  *		octet information[length]
642  */
643 
644 #define	IEEE80211_BEACON_INTERVAL(beacon) \
645 	((beacon)[8] | ((beacon)[9] << 8))
646 #define	IEEE80211_BEACON_CAPABILITY(beacon) \
647 	((beacon)[10] | ((beacon)[11] << 8))
648 
649 #define	IEEE80211_CAPINFO_ESS			0x0001
650 #define	IEEE80211_CAPINFO_IBSS			0x0002
651 #define	IEEE80211_CAPINFO_CF_POLLABLE		0x0004
652 #define	IEEE80211_CAPINFO_CF_POLLREQ		0x0008
653 #define	IEEE80211_CAPINFO_PRIVACY		0x0010
654 #define	IEEE80211_CAPINFO_SHORT_PREAMBLE	0x0020
655 #define	IEEE80211_CAPINFO_PBCC			0x0040
656 #define	IEEE80211_CAPINFO_CHNL_AGILITY		0x0080
657 #define	IEEE80211_CAPINFO_SPECTRUM_MGMT		0x0100
658 /* bit 9 is reserved */
659 #define	IEEE80211_CAPINFO_SHORT_SLOTTIME	0x0400
660 #define	IEEE80211_CAPINFO_RSN			0x0800
661 /* bit 12 is reserved */
662 #define	IEEE80211_CAPINFO_DSSSOFDM		0x2000
663 /* bits 14-15 are reserved */
664 
665 #define	IEEE80211_CAPINFO_BITS \
666 	"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
667 	"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
668 	"\16DSSOFDM"
669 
670 /*
671  * 802.11i/WPA information element (maximally sized).
672  */
673 struct ieee80211_ie_wpa {
674 	uint8_t		wpa_id;		/* IEEE80211_ELEMID_VENDOR */
675 	uint8_t		wpa_len;	/* length in bytes */
676 	uint8_t		wpa_oui[3];	/* 0x00, 0x50, 0xf2 */
677 	uint8_t		wpa_type;	/* OUI type */
678 	uint16_t	wpa_version;	/* spec revision */
679 	uint32_t	wpa_mcipher[1];	/* multicast/group key cipher */
680 	uint16_t	wpa_uciphercnt;	/* # pairwise key ciphers */
681 	uint32_t	wpa_uciphers[8];/* ciphers */
682 	uint16_t	wpa_authselcnt;	/* authentication selector cnt*/
683 	uint32_t	wpa_authsels[8];/* selectors */
684 	uint16_t	wpa_caps;	/* 802.11i capabilities */
685 	uint16_t	wpa_pmkidcnt;	/* 802.11i pmkid count */
686 	uint16_t	wpa_pmkids[8];	/* 802.11i pmkids */
687 } __packed;
688 
689 /*
690  * 802.11n HT Capability IE
691  * NB: these reflect D1.10
692  */
693 struct ieee80211_ie_htcap {
694 	uint8_t		hc_id;			/* element ID */
695 	uint8_t		hc_len;			/* length in bytes */
696 	uint16_t	hc_cap;			/* HT caps (see below) */
697 	uint8_t		hc_param;		/* HT params (see below) */
698 	uint8_t 	hc_mcsset[16]; 		/* supported MCS set */
699 	uint16_t	hc_extcap;		/* extended HT capabilities */
700 	uint32_t	hc_txbf;		/* txbf capabilities */
701 	uint8_t		hc_antenna;		/* antenna capabilities */
702 } __packed;
703 
704 /* HT capability flags (ht_cap) */
705 #define	IEEE80211_HTCAP_LDPC		0x0001	/* LDPC rx supported */
706 #define	IEEE80211_HTCAP_CHWIDTH40	0x0002	/* 20/40 supported */
707 #define	IEEE80211_HTCAP_SMPS		0x000c	/* SM Power Save mode */
708 #define	IEEE80211_HTCAP_SMPS_OFF	0x000c	/* disabled */
709 #define	IEEE80211_HTCAP_SMPS_DYNAMIC	0x0004	/* send RTS first */
710 /* NB: SMPS value 2 is reserved */
711 #define	IEEE80211_HTCAP_SMPS_ENA	0x0000	/* enabled (static mode) */
712 #define	IEEE80211_HTCAP_GREENFIELD	0x0010	/* Greenfield supported */
713 #define	IEEE80211_HTCAP_SHORTGI20	0x0020	/* Short GI in 20MHz */
714 #define	IEEE80211_HTCAP_SHORTGI40	0x0040	/* Short GI in 40MHz */
715 #define	IEEE80211_HTCAP_TXSTBC		0x0080	/* STBC tx ok */
716 #define	IEEE80211_HTCAP_RXSTBC		0x0300  /* STBC rx support */
717 #define	IEEE80211_HTCAP_RXSTBC_S	8
718 #define	IEEE80211_HTCAP_RXSTBC_1STREAM	0x0100  /* 1 spatial stream */
719 #define	IEEE80211_HTCAP_RXSTBC_2STREAM	0x0200  /* 1-2 spatial streams*/
720 #define	IEEE80211_HTCAP_RXSTBC_3STREAM	0x0300  /* 1-3 spatial streams*/
721 #define	IEEE80211_HTCAP_DELBA		0x0400	/* HT DELBA supported */
722 #define	IEEE80211_HTCAP_MAXAMSDU	0x0800	/* max A-MSDU length */
723 #define	IEEE80211_HTCAP_MAXAMSDU_7935	0x0800	/* 7935 octets */
724 #define	IEEE80211_HTCAP_MAXAMSDU_3839	0x0000	/* 3839 octets */
725 #define	IEEE80211_HTCAP_DSSSCCK40	0x1000  /* DSSS/CCK in 40MHz */
726 #define	IEEE80211_HTCAP_PSMP		0x2000  /* PSMP supported */
727 #define	IEEE80211_HTCAP_40INTOLERANT	0x4000  /* 40MHz intolerant */
728 #define	IEEE80211_HTCAP_LSIGTXOPPROT	0x8000  /* L-SIG TXOP prot */
729 
730 #define	IEEE80211_HTCAP_BITS \
731 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
732 	"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
733 	"\20LSIGTXOPPROT"
734 
735 /* HT parameters (hc_param) */
736 #define	IEEE80211_HTCAP_MAXRXAMPDU	0x03	/* max rx A-MPDU factor */
737 #define	IEEE80211_HTCAP_MAXRXAMPDU_S	0
738 #define	IEEE80211_HTCAP_MAXRXAMPDU_8K	0
739 #define	IEEE80211_HTCAP_MAXRXAMPDU_16K	1
740 #define	IEEE80211_HTCAP_MAXRXAMPDU_32K	2
741 #define	IEEE80211_HTCAP_MAXRXAMPDU_64K	3
742 #define	IEEE80211_HTCAP_MPDUDENSITY	0x1c	/* min MPDU start spacing */
743 #define	IEEE80211_HTCAP_MPDUDENSITY_S	2
744 #define	IEEE80211_HTCAP_MPDUDENSITY_NA	0	/* no time restriction */
745 #define	IEEE80211_HTCAP_MPDUDENSITY_025	1	/* 1/4 us */
746 #define	IEEE80211_HTCAP_MPDUDENSITY_05	2	/* 1/2 us */
747 #define	IEEE80211_HTCAP_MPDUDENSITY_1	3	/* 1 us */
748 #define	IEEE80211_HTCAP_MPDUDENSITY_2	4	/* 2 us */
749 #define	IEEE80211_HTCAP_MPDUDENSITY_4	5	/* 4 us */
750 #define	IEEE80211_HTCAP_MPDUDENSITY_8	6	/* 8 us */
751 #define	IEEE80211_HTCAP_MPDUDENSITY_16	7	/* 16 us */
752 
753 /* HT extended capabilities (hc_extcap) */
754 #define	IEEE80211_HTCAP_PCO		0x0001	/* PCO capable */
755 #define	IEEE80211_HTCAP_PCOTRANS	0x0006	/* PCO transition time */
756 #define	IEEE80211_HTCAP_PCOTRANS_S	1
757 #define	IEEE80211_HTCAP_PCOTRANS_04	0x0002	/* 400 us */
758 #define	IEEE80211_HTCAP_PCOTRANS_15	0x0004	/* 1.5 ms */
759 #define	IEEE80211_HTCAP_PCOTRANS_5	0x0006	/* 5 ms */
760 /* bits 3-7 reserved */
761 #define	IEEE80211_HTCAP_MCSFBACK	0x0300	/* MCS feedback */
762 #define	IEEE80211_HTCAP_MCSFBACK_S	8
763 #define	IEEE80211_HTCAP_MCSFBACK_NONE	0x0000	/* nothing provided */
764 #define	IEEE80211_HTCAP_MCSFBACK_UNSOL	0x0200	/* unsolicited feedback */
765 #define	IEEE80211_HTCAP_MCSFBACK_MRQ	0x0300	/* " "+respond to MRQ */
766 #define	IEEE80211_HTCAP_HTC		0x0400	/* +HTC support */
767 #define	IEEE80211_HTCAP_RDR		0x0800	/* reverse direction responder*/
768 /* bits 12-15 reserved */
769 
770 /*
771  * 802.11n HT Information IE
772  */
773 struct ieee80211_ie_htinfo {
774 	uint8_t		hi_id;			/* element ID */
775 	uint8_t		hi_len;			/* length in bytes */
776 	uint8_t		hi_ctrlchannel;		/* primary channel */
777 	uint8_t		hi_byte1;		/* ht ie byte 1 */
778 	uint8_t		hi_byte2;		/* ht ie byte 2 */
779 	uint8_t		hi_byte3;		/* ht ie byte 3 */
780 	uint16_t	hi_byte45;		/* ht ie bytes 4+5 */
781 	uint8_t 	hi_basicmcsset[16]; 	/* basic MCS set */
782 } __packed;
783 
784 /* byte1 */
785 #define	IEEE80211_HTINFO_2NDCHAN	0x03	/* secondary/ext chan offset */
786 #define	IEEE80211_HTINFO_2NDCHAN_S	0
787 #define	IEEE80211_HTINFO_2NDCHAN_NONE	0x00	/* no secondary/ext channel */
788 #define	IEEE80211_HTINFO_2NDCHAN_ABOVE	0x01	/* above private channel */
789 /* NB: 2 is reserved */
790 #define	IEEE80211_HTINFO_2NDCHAN_BELOW	0x03	/* below primary channel */
791 #define	IEEE80211_HTINFO_TXWIDTH	0x04	/* tx channel width */
792 #define	IEEE80211_HTINFO_TXWIDTH_20	0x00	/* 20MHz width */
793 #define	IEEE80211_HTINFO_TXWIDTH_2040	0x04	/* any supported width */
794 #define	IEEE80211_HTINFO_RIFSMODE	0x08	/* Reduced IFS (RIFS) use */
795 #define	IEEE80211_HTINFO_RIFSMODE_PROH	0x00	/* RIFS use prohibited */
796 #define	IEEE80211_HTINFO_RIFSMODE_PERM	0x08	/* RIFS use permitted */
797 #define	IEEE80211_HTINFO_PMSPONLY	0x10	/* PSMP required to associate */
798 #define	IEEE80211_HTINFO_SIGRAN		0xe0	/* shortest Service Interval */
799 #define	IEEE80211_HTINFO_SIGRAN_S	5
800 #define	IEEE80211_HTINFO_SIGRAN_5	0x00	/* 5 ms */
801 /* XXX add rest */
802 
803 /* bytes 2+3 */
804 #define	IEEE80211_HTINFO_OPMODE		0x03	/* operating mode */
805 #define	IEEE80211_HTINFO_OPMODE_S	0
806 #define	IEEE80211_HTINFO_OPMODE_PURE	0x00	/* no protection */
807 #define	IEEE80211_HTINFO_OPMODE_PROTOPT	0x01	/* protection optional */
808 #define	IEEE80211_HTINFO_OPMODE_HT20PR	0x02	/* protection for HT20 sta's */
809 #define	IEEE80211_HTINFO_OPMODE_MIXED	0x03	/* protection for legacy sta's*/
810 #define	IEEE80211_HTINFO_NONGF_PRESENT	0x04	/* non-GF sta's present */
811 #define	IEEE80211_HTINFO_TXBL		0x08	/* transmit burst limit */
812 #define	IEEE80211_HTINFO_NONHT_PRESENT	0x10	/* non-HT sta's present */
813 /* bits 5-15 reserved */
814 
815 /* bytes 4+5 */
816 #define	IEEE80211_HTINFO_2NDARYBEACON	0x01
817 #define	IEEE80211_HTINFO_LSIGTXOPPROT	0x02
818 #define	IEEE80211_HTINFO_PCO_ACTIVE	0x04
819 #define	IEEE80211_HTINFO_40MHZPHASE	0x08
820 
821 /* byte5 */
822 #define	IEEE80211_HTINFO_BASIC_STBCMCS	0x7f
823 #define	IEEE80211_HTINFO_BASIC_STBCMCS_S 0
824 #define	IEEE80211_HTINFO_DUALPROTECTED	0x80
825 
826 /*
827  * 802.11ac definitions - 802.11ac-2013 .
828  */
829 
830 /*
831  * Maximum length of A-MPDU that the STA can RX in VHT.
832  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
833  */
834 #define	IEEE80211_VHTCAP_MAX_AMPDU_8K		0
835 #define	IEEE80211_VHTCAP_MAX_AMPDU_16K		1
836 #define	IEEE80211_VHTCAP_MAX_AMPDU_32K		2
837 #define	IEEE80211_VHTCAP_MAX_AMPDU_64K		3
838 #define	IEEE80211_VHTCAP_MAX_AMPDU_128K		4
839 #define	IEEE80211_VHTCAP_MAX_AMPDU_256K		5
840 #define	IEEE80211_VHTCAP_MAX_AMPDU_512K		6
841 #define	IEEE80211_VHTCAP_MAX_AMPDU_1024K	7
842 
843 /*
844  * VHT MCS information.
845  * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
846  *    data rate.  1Mbit/sec units.
847  * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
848  *    2 bits each.
849  */
850 
851 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */
852 enum ieee80211_vht_mcs_support {
853 	IEEE80211_VHT_MCS_SUPPORT_0_7		= 0,	/* MCS0-7 */
854 	IEEE80211_VHT_MCS_SUPPORT_0_8		= 1,	/* MCS0-8 */
855 	IEEE80211_VHT_MCS_SUPPORT_0_9		= 2,	/* MCS0-9 */
856 	IEEE80211_VHT_MCS_NOT_SUPPORTED		= 3	/* not supported */
857 };
858 
859 struct ieee80211_vht_mcs_info {
860 	uint16_t rx_mcs_map;
861 	uint16_t rx_highest;
862 	uint16_t tx_mcs_map;
863 	uint16_t tx_highest;
864 } __packed;
865 
866 /* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */
867 struct ieee80211_vht_cap {
868 	uint32_t			vht_cap_info;
869 	struct ieee80211_vht_mcs_info	supp_mcs;
870 } __packed;
871 
872 /* 802.11ac-2013, Table 8-183x-VHT Operation Information subfields */
873 enum ieee80211_vht_chanwidth {
874 	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,	/* 20 MHz or 40 MHz */
875 	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,	/* 80MHz */
876 	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,	/* 160MHz */
877 	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,	/* 80+80MHz */
878 	/* 4..255 reserved. */
879 };
880 
881 /* The name conflicts with the same structure in wpa.  Only ifconfig needs this. */
882 #if defined(_KERNEL) || defined(WANT_NET80211)
883 /* 802.11ac-2013 8.4.2.161 VHT Operation element */
884 struct ieee80211_vht_operation {
885 	uint8_t			chan_width;		/* enum ieee80211_vht_chanwidth */
886 	uint8_t			center_freq_seq0_idx;	/* 20/40/80/160 - VHT chan1 */
887 	uint8_t			center_freq_seq1_idx;	/* 80+80 - VHT chan2 */
888 	uint16_t		basic_mcs_set;		/* Basic VHT-MCS and NSS Set */
889 } __packed;
890 #endif
891 
892 /* 802.11ac VHT Capabilities */
893 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895	0x00000000
894 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991	0x00000001
895 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454	0x00000002
896 #define	IEEE80211_VHTCAP_MAX_MPDU_MASK		0x00000003
897 #define	IEEE80211_VHTCAP_MAX_MPDU_MASK_S	0
898 
899 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK	0x0000000C
900 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S	2
901 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE		0
902 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ		1
903 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ	2
904 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED	3
905 
906 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps)		\
907     (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \
908             IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ)
909 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps)	\
910     (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \
911             IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ)
912 
913 #define	IEEE80211_VHTCAP_RXLDPC		0x00000010
914 #define	IEEE80211_VHTCAP_RXLDPC_S	4
915 
916 #define	IEEE80211_VHTCAP_SHORT_GI_80		0x00000020
917 #define	IEEE80211_VHTCAP_SHORT_GI_80_S		5
918 
919 #define	IEEE80211_VHTCAP_SHORT_GI_160		0x00000040
920 #define	IEEE80211_VHTCAP_SHORT_GI_160_S		6
921 
922 #define	IEEE80211_VHTCAP_TXSTBC		0x00000080
923 #define	IEEE80211_VHTCAP_TXSTBC_S	7
924 
925 #define	IEEE80211_VHTCAP_RXSTBC_1		0x00000100
926 #define	IEEE80211_VHTCAP_RXSTBC_2		0x00000200
927 #define	IEEE80211_VHTCAP_RXSTBC_3		0x00000300
928 #define	IEEE80211_VHTCAP_RXSTBC_4		0x00000400
929 #define	IEEE80211_VHTCAP_RXSTBC_MASK		0x00000700
930 #define	IEEE80211_VHTCAP_RXSTBC_MASK_S		8
931 
932 #define	IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE	0x00000800
933 #define	IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S	11
934 
935 #define	IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE	0x00001000
936 #define	IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S	12
937 
938 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT	13
939 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
940 	    (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
941 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S	13
942 
943 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT	16
944 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
945 	    (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
946 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S	16
947 
948 #define	IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE	0x00080000
949 #define	IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S	19
950 #define	IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE	0x00100000
951 #define	IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S	20
952 #define	IEEE80211_VHTCAP_VHT_TXOP_PS		0x00200000
953 #define	IEEE80211_VHTCAP_VHT_TXOP_PS_S		21
954 #define	IEEE80211_VHTCAP_HTC_VHT		0x00400000
955 #define	IEEE80211_VHTCAP_HTC_VHT_S		22
956 
957 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
958 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
959 	    (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
960 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S	23
961 
962 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK	0x0c000000
963 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
964 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
965 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S	26
966 
967 #define	IEEE80211_VHTCAP_RX_ANTENNA_PATTERN	0x10000000
968 #define	IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S	28
969 #define	IEEE80211_VHTCAP_TX_ANTENNA_PATTERN	0x20000000
970 #define	IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S	29
971 
972 /*
973  * XXX TODO: add the rest of the bits
974  */
975 #define	IEEE80211_VHTCAP_BITS \
976 	"\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \
977 	"\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \
978 	"\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN"
979 
980 /*
981  * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
982  *
983  * This defines the maximum transmit power for various bandwidths.
984  */
985 /*
986  * Count is how many elements follow and what they're for:
987  *
988  * 0 - 20 MHz
989  * 1 - 20+40 MHz
990  * 2 - 20+40+80 MHz
991  * 3 - 20+40+80+(160, 80+80) MHz
992  */
993 #define	IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT	0
994 #define	IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK	0x07
995 
996 /*
997  * Unit is the tx power representation.  It should be EIRP for now;
998  * other values are reserved.
999  */
1000 #define	IEEE80211_VHT_TXPWRENV_UNIT_MASK	0x38
1001 #define	IEEE80211_VHT_TXPWRENV_UNIT_SHIFT	3
1002 
1003 /* This value is within the unit mask/shift above */
1004 #define	IEEE80211_VHT_TXPWRENV_UNIT_EIRP	0
1005 
1006 struct ieee80211_ie_vht_txpwrenv {
1007 	uint8_t ie;
1008 	uint8_t len;
1009 	uint8_t tx_info;
1010 	int8_t tx_elem[0];	/* TX power elements, 1/2 dB, signed */
1011 };
1012 
1013 /* VHT action codes */
1014 #define	WLAN_ACTION_VHT_COMPRESSED_BF		0
1015 #define	WLAN_ACTION_VHT_GROUPID_MGMT		1
1016 #define	WLAN_ACTION_VHT_OPMODE_NOTIF		2
1017 
1018 /*
1019  * Management information element payloads.
1020  */
1021 
1022 enum {
1023 	IEEE80211_ELEMID_SSID		= 0,
1024 	IEEE80211_ELEMID_RATES		= 1,
1025 	IEEE80211_ELEMID_FHPARMS	= 2,
1026 	IEEE80211_ELEMID_DSPARMS	= 3,
1027 	IEEE80211_ELEMID_CFPARMS	= 4,
1028 	IEEE80211_ELEMID_TIM		= 5,
1029 	IEEE80211_ELEMID_IBSSPARMS	= 6,
1030 	IEEE80211_ELEMID_COUNTRY	= 7,
1031 	IEEE80211_ELEMID_BSSLOAD	= 11,
1032 	IEEE80211_ELEMID_TSPEC		= 13,
1033 	IEEE80211_ELEMID_TCLAS		= 14,
1034 	IEEE80211_ELEMID_CHALLENGE	= 16,
1035 	/* 17-31 reserved for challenge text extension */
1036 	IEEE80211_ELEMID_PWRCNSTR	= 32,
1037 	IEEE80211_ELEMID_PWRCAP		= 33,
1038 	IEEE80211_ELEMID_TPCREQ		= 34,
1039 	IEEE80211_ELEMID_TPCREP		= 35,
1040 	IEEE80211_ELEMID_SUPPCHAN	= 36,
1041 	IEEE80211_ELEMID_CSA		= 37,
1042 	IEEE80211_ELEMID_MEASREQ	= 38,
1043 	IEEE80211_ELEMID_MEASREP	= 39,
1044 	IEEE80211_ELEMID_QUIET		= 40,
1045 	IEEE80211_ELEMID_IBSSDFS	= 41,
1046 	IEEE80211_ELEMID_ERP		= 42,
1047 	IEEE80211_ELEMID_HTCAP		= 45,
1048 	IEEE80211_ELEMID_QOS		= 46,
1049 	IEEE80211_ELEMID_RESERVED_47	= 47,
1050 	IEEE80211_ELEMID_RSN		= 48,
1051 	IEEE80211_ELEMID_XRATES		= 50,
1052 	IEEE80211_ELEMID_APCHANREP	= 51,
1053 	IEEE80211_ELEMID_MOBILITY_DOMAIN	= 54,
1054 	IEEE80211_ELEMID_HTINFO		= 61,
1055 	IEEE80211_ELEMID_SECCHAN_OFFSET	= 62,
1056 	IEEE80211_ELEMID_RRM_ENACAPS	= 70,
1057 	IEEE80211_ELEMID_MULTIBSSID	= 71,
1058 	IEEE80211_ELEMID_COEX_2040	= 72,
1059 	IEEE80211_ELEMID_INTOL_CHN_REPORT	= 73,
1060 	IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
1061 	IEEE80211_ELEMID_TSF_REQ	= 91,
1062 	IEEE80211_ELEMID_TSF_RESP	= 92,
1063 	IEEE80211_ELEMID_WNM_SLEEP_MODE	= 93,
1064 	IEEE80211_ELEMID_TIM_BCAST_REQ	= 94,
1065 	IEEE80211_ELEMID_TIM_BCAST_RESP	= 95,
1066 	IEEE80211_ELEMID_TPC		= 150,
1067 	IEEE80211_ELEMID_CCKM		= 156,
1068 	IEEE80211_ELEMID_VENDOR		= 221,	/* vendor private */
1069 
1070 	/*
1071 	 * 802.11s IEs
1072 	 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
1073 	 * but they defined a new with id 117 called PEER_MGMT.
1074 	 * NB: complies with open80211
1075 	 */
1076 	IEEE80211_ELEMID_MESHCONF	= 113,
1077 	IEEE80211_ELEMID_MESHID		= 114,
1078 	IEEE80211_ELEMID_MESHLINK	= 115,
1079 	IEEE80211_ELEMID_MESHCNGST	= 116,
1080 	IEEE80211_ELEMID_MESHPEER	= 117,
1081 	IEEE80211_ELEMID_MESHCSA	= 118,
1082 	IEEE80211_ELEMID_MESHTIM	= 39, /* XXX: remove */
1083 	IEEE80211_ELEMID_MESHAWAKEW	= 119,
1084 	IEEE80211_ELEMID_MESHBEACONT	= 120,
1085 	/* 121-124 MMCAOP not implemented yet */
1086 	IEEE80211_ELEMID_MESHGANN	= 125,
1087 	IEEE80211_ELEMID_MESHRANN	= 126,
1088 	/* 127 Extended Capabilities */
1089 	IEEE80211_ELEMID_EXTCAP		= 127,
1090 	/* 128-129 reserved */
1091 	IEEE80211_ELEMID_MESHPREQ	= 130,
1092 	IEEE80211_ELEMID_MESHPREP	= 131,
1093 	IEEE80211_ELEMID_MESHPERR	= 132,
1094 	/* 133-136 reserved */
1095 	IEEE80211_ELEMID_MESHPXU	= 137,
1096 	IEEE80211_ELEMID_MESHPXUC	= 138,
1097 	IEEE80211_ELEMID_MESHAH		= 60, /* XXX: remove */
1098 
1099 	/* 802.11ac-2013, Table 8-54-Element IDs */
1100 	IEEE80211_ELEMID_VHT_CAP	= 191,
1101 	IEEE80211_ELEMID_VHT_OPMODE	= 192,
1102 	IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193,
1103 	IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194,
1104 	IEEE80211_ELEMID_VHT_PWR_ENV	= 195,
1105 	IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196,
1106 	IEEE80211_ELEMID_AID		= 197,
1107 	IEEE80211_ELEMID_QUIET_CHANNEL	= 198,
1108 	IEEE80211_ELEMID_OPMODE_NOTIF	= 199,
1109 };
1110 
1111 struct ieee80211_tim_ie {
1112 	uint8_t		tim_ie;			/* IEEE80211_ELEMID_TIM */
1113 	uint8_t		tim_len;
1114 	uint8_t		tim_count;		/* DTIM count */
1115 	uint8_t		tim_period;		/* DTIM period */
1116 	uint8_t		tim_bitctl;		/* bitmap control */
1117 	uint8_t		tim_bitmap[1];		/* variable-length bitmap */
1118 } __packed;
1119 
1120 struct ieee80211_country_ie {
1121 	uint8_t		ie;			/* IEEE80211_ELEMID_COUNTRY */
1122 	uint8_t		len;
1123 	uint8_t		cc[3];			/* ISO CC+(I)ndoor/(O)utdoor */
1124 	struct {
1125 		uint8_t schan;			/* starting channel */
1126 		uint8_t nchan;			/* number channels */
1127 		uint8_t maxtxpwr;		/* tx power cap */
1128 	} __packed band[1];			/* sub bands (NB: var size) */
1129 } __packed;
1130 
1131 #define	IEEE80211_COUNTRY_MAX_BANDS	84	/* max possible bands */
1132 #define	IEEE80211_COUNTRY_MAX_SIZE \
1133 	(sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
1134 
1135 struct ieee80211_bss_load_ie {
1136 	uint8_t		ie;
1137 	uint8_t		len;
1138 	uint16_t	sta_count;	/* station count */
1139 	uint8_t		chan_load;	/* channel utilization */
1140 	uint8_t		aac;		/* available admission capacity */
1141 } __packed;
1142 
1143 struct ieee80211_ap_chan_report_ie {
1144 	uint8_t		ie;
1145 	uint8_t		len;
1146 	uint8_t		i_class; /* operating class */
1147 	/* Annex E, E.1 Country information and operating classes */
1148 	uint8_t		chan_list[0];
1149 } __packed;
1150 
1151 #define IEEE80211_EXTCAP_CMS			(1ULL <<  0) /* 20/40 BSS coexistence management support */
1152 #define IEEE80211_EXTCAP_RSVD_1			(1ULL <<  1)
1153 #define IEEE80211_EXTCAP_ECS			(1ULL <<  2) /* extended channel switching */
1154 #define IEEE80211_EXTCAP_RSVD_3			(1ULL <<  3)
1155 #define IEEE80211_EXTCAP_PSMP_CAP		(1ULL <<  4) /* PSMP capability */
1156 #define IEEE80211_EXTCAP_RSVD_5			(1ULL <<  5)
1157 #define IEEE80211_EXTCAP_S_PSMP_SUPP		(1ULL <<  6)
1158 #define IEEE80211_EXTCAP_EVENT			(1ULL <<  7)
1159 #define IEEE80211_EXTCAP_DIAGNOSTICS		(1ULL <<  8)
1160 #define IEEE80211_EXTCAP_MCAST_DIAG		(1ULL <<  9)
1161 #define IEEE80211_EXTCAP_LOC_TRACKING		(1ULL << 10)
1162 #define IEEE80211_EXTCAP_FMS			(1ULL << 11)
1163 #define IEEE80211_EXTCAP_PROXY_ARP		(1ULL << 12)
1164 #define IEEE80211_EXTCAP_CIR			(1ULL << 13) /* collocated interference reporting */
1165 #define IEEE80211_EXTCAP_CIVIC_LOC		(1ULL << 14)
1166 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC		(1ULL << 15)
1167 #define IEEE80211_EXTCAP_TFS			(1ULL << 16)
1168 #define IEEE80211_EXTCAP_WNM_SLEEPMODE		(1ULL << 17)
1169 #define IEEE80211_EXTCAP_TIM_BROADCAST		(1ULL << 18)
1170 #define IEEE80211_EXTCAP_BSS_TRANSITION		(1ULL << 19)
1171 #define IEEE80211_EXTCAP_QOS_TRAF_CAP		(1ULL << 20)
1172 #define IEEE80211_EXTCAP_AC_STA_COUNT		(1ULL << 21)
1173 #define IEEE80211_EXTCAP_M_BSSID		(1ULL << 22) /* multiple BSSID field */
1174 #define IEEE80211_EXTCAP_TIMING_MEAS		(1ULL << 23)
1175 #define IEEE80211_EXTCAP_CHAN_USAGE		(1ULL << 24)
1176 #define IEEE80211_EXTCAP_SSID_LIST		(1ULL << 25)
1177 #define IEEE80211_EXTCAP_DMS			(1ULL << 26)
1178 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET		(1ULL << 27)
1179 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP	(1ULL << 28) /* TDLS peer U-APSP buffer STA support */
1180 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP		(1ULL << 29) /* TDLS peer PSM support */
1181 #define IEEE80211_EXTCAP_TLDS_CH_SW		(1ULL << 30) /* TDLS channel switching */
1182 #define IEEE80211_EXTCAP_INTERWORKING		(1ULL << 31)
1183 #define IEEE80211_EXTCAP_QOSMAP			(1ULL << 32)
1184 #define IEEE80211_EXTCAP_EBR			(1ULL << 33)
1185 #define IEEE80211_EXTCAP_SSPN_IF		(1ULL << 34)
1186 #define IEEE80211_EXTCAP_RSVD_35		(1ULL << 35)
1187 #define IEEE80211_EXTCAP_MSGCF_CAP		(1ULL << 36)
1188 #define IEEE80211_EXTCAP_TLDS_SUPP		(1ULL << 37)
1189 #define IEEE80211_EXTCAP_TLDS_PROHIB		(1ULL << 38)
1190 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB	(1ULL << 39) /* TDLS channel switching prohibited */
1191 #define IEEE80211_EXTCAP_RUF			(1ULL << 40) /* reject unadmitted frame */
1192 /* service interval granularity */
1193 #define IEEE80211_EXTCAP_SIG \
1194 				((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
1195 #define IEEE80211_EXTCAP_ID_LOC			(1ULL << 44)
1196 #define IEEE80211_EXTCAP_U_APSD_COEX		(1ULL << 45)
1197 #define IEEE80211_EXTCAP_WNM_NOTIFICATION	(1ULL << 46)
1198 #define IEEE80211_EXTCAP_RSVD_47		(1ULL << 47)
1199 #define IEEE80211_EXTCAP_SSID			(1ULL << 48) /* UTF-8 SSID */
1200 /* bits 49-n are reserved */
1201 
1202 struct ieee80211_extcap_ie {
1203 	uint8_t		ie;
1204 	uint8_t		len;
1205 } __packed;
1206 
1207 /*
1208  * 802.11h Quiet Time Element.
1209  */
1210 struct ieee80211_quiet_ie {
1211 	uint8_t		quiet_ie;		/* IEEE80211_ELEMID_QUIET */
1212 	uint8_t		len;
1213 	uint8_t		tbttcount;		/* quiet start */
1214 	uint8_t		period;			/* beacon intervals between quiets */
1215 	uint16_t	duration;		/* TUs of each quiet*/
1216 	uint16_t	offset;			/* TUs of from TBTT of quiet start */
1217 } __packed;
1218 
1219 /*
1220  * 802.11h Channel Switch Announcement (CSA).
1221  */
1222 struct ieee80211_csa_ie {
1223 	uint8_t		csa_ie;		/* IEEE80211_ELEMID_CHANSWITCHANN */
1224 	uint8_t		csa_len;
1225 	uint8_t		csa_mode;		/* Channel Switch Mode */
1226 	uint8_t		csa_newchan;		/* New Channel Number */
1227 	uint8_t		csa_count;		/* Channel Switch Count */
1228 } __packed;
1229 
1230 /*
1231  * Note the min acceptable CSA count is used to guard against
1232  * malicious CSA injection in station mode.  Defining this value
1233  * as other than 0 violates the 11h spec.
1234  */
1235 #define	IEEE80211_CSA_COUNT_MIN	2
1236 #define	IEEE80211_CSA_COUNT_MAX	255
1237 
1238 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
1239 #define	IEEE80211_RATE_BASIC		0x80
1240 #define	IEEE80211_RATE_VAL		0x7f
1241 #define	IEEE80211_RV(v)			((v) & IEEE80211_RATE_VAL)
1242 
1243 /* ERP information element flags */
1244 #define	IEEE80211_ERP_NON_ERP_PRESENT	0x01
1245 #define	IEEE80211_ERP_USE_PROTECTION	0x02
1246 #define	IEEE80211_ERP_LONG_PREAMBLE	0x04
1247 
1248 #define	IEEE80211_ERP_BITS \
1249 	"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
1250 
1251 #define	ATH_OUI			0x7f0300	/* Atheros OUI */
1252 #define	ATH_OUI_TYPE		0x01		/* Atheros protocol ie */
1253 
1254 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
1255 #define	TDMA_OUI		ATH_OUI
1256 #define	TDMA_OUI_TYPE		0x02		/* TDMA protocol ie */
1257 
1258 #define	BCM_OUI			0x4c9000	/* Broadcom OUI */
1259 #define	BCM_OUI_HTCAP		51		/* pre-draft HTCAP ie */
1260 #define	BCM_OUI_HTINFO		52		/* pre-draft HTINFO ie */
1261 
1262 #define	WPA_OUI			0xf25000
1263 #define	WPA_OUI_TYPE		0x01
1264 #define	WPA_VERSION		1		/* current supported version */
1265 
1266 #define	WPA_CSE_NULL		0x00
1267 #define	WPA_CSE_WEP40		0x01
1268 #define	WPA_CSE_TKIP		0x02
1269 #define	WPA_CSE_CCMP		0x04		/* CCMP 128-bit */
1270 #define	WPA_CSE_WEP104		0x05
1271 
1272 #define	WPA_ASE_NONE		0x00
1273 #define	WPA_ASE_8021X_UNSPEC	0x01
1274 #define	WPA_ASE_8021X_PSK	0x02
1275 
1276 #define	WPS_OUI_TYPE		0x04
1277 
1278 /* 802.11-2016 Table 9-131 - Cipher Suite Selectors */
1279 #define	RSN_OUI			0xac0f00
1280 #define	RSN_VERSION		1		/* current supported version */
1281 
1282 /* RSN cipher suite element */
1283 #define	RSN_CSE_NULL		0
1284 #define	RSN_CSE_WEP40		1
1285 #define	RSN_CSE_TKIP		2
1286 #define	RSN_CSE_WRAP		3		/* Reserved in the 802.11-2016 */
1287 #define	RSN_CSE_CCMP		4		/* CCMP 128 bit */
1288 #define	RSN_CSE_WEP104		5
1289 #define	RSN_CSE_BIP_CMAC_128	6
1290 /* 7 - "Group addressed traffic not allowed" */
1291 #define	RSN_CSE_GCMP_128	8
1292 #define	RSN_CSE_GCMP_256	9
1293 #define	RSN_CSE_CCMP_256	10
1294 #define	RSN_CSE_BIP_GMAC_128	11
1295 #define	RSN_CSE_BIP_GMAC_256	12
1296 #define	RSN_CSE_BIP_CMAC_256	13
1297 
1298 /* 802.11-2016 Table 9-133 - AKM suite selectors */
1299 /* RSN AKM suite element */
1300 #define	RSN_ASE_NONE		0
1301 #define	RSN_ASE_8021X_UNSPEC	1
1302 #define	RSN_ASE_8021X_PSK	2
1303 #define	RSN_ASE_FT_8021X	3		/* SHA-256 */
1304 #define	RSN_ASE_FT_PSK		4		/* SHA-256 */
1305 #define	RSN_ASE_8021X_UNSPEC_SHA256	5
1306 #define	RSN_ASE_8021X_PSK_SHA256	6
1307 #define	RSN_ASE_8021X_TDLS	7		/* SHA-256 */
1308 #define	RSN_ASE_SAE_UNSPEC	8		/* SHA-256 */
1309 #define	RSN_ASE_FT_SAE		9		/* SHA-256 */
1310 #define	RSN_ASE_AP_PEERKEY	10		/* SHA-256 */
1311 #define	RSN_ASE_8021X_SUITE_B_SHA256	11
1312 #define	RSN_ASE_8021X_SUITE_B_SHA384	12
1313 #define	RSN_ASE_FT_8021X_SHA384	13
1314 
1315 /* 802.11-2016 Figure 9-257 - RSN Capabilities (2 byte field) */
1316 #define	RSN_CAP_PREAUTH		0x0001
1317 #define	RSN_CAP_NO_PAIRWISE	0x0002
1318 #define	RSN_CAP_PTKSA_REPLAY_COUNTER	0x000c	/* 2 bit field */
1319 #define	RSN_CAP_GTKSA_REPLAY_COUNTER	0x0030	/* 2 bit field */
1320 #define	RSN_CAP_MFP_REQUIRED	0x0040
1321 #define	RSN_CAP_MFP_CAPABLE	0x0080
1322 #define	RSN_CAP_JOINT_MULTIBAND_RSNA		0x0100
1323 #define	RSN_CAP_PEERKEY_ENABLED	0x0200
1324 #define	RSN_CAP_SPP_AMSDU_CAPABLE	0x0400
1325 #define	RSN_CAP_SPP_AMSDU_REQUIRED	0x0800
1326 #define	RSN_CAP_PBAC_CAPABLE	0x1000
1327 #define	RSN_CAP_EXT_KEYID_CAPABLE	0x0200
1328 
1329 /* 802.11-2016 Table 9-134 PTKSA/GTKSA/STKSA replay counters usage */
1330 #define		RSN_CAP_REPLAY_COUNTER_1_PER	0
1331 #define		RSN_CAP_REPLAY_COUNTER_2_PER	1
1332 #define		RSN_CAP_REPLAY_COUNTER_4_PER	2
1333 #define		RSN_CAP_REPLAY_COUNTER_16_PER	3
1334 
1335 #define	WME_OUI			0xf25000
1336 #define	WME_OUI_TYPE		0x02
1337 #define	WME_INFO_OUI_SUBTYPE	0x00
1338 #define	WME_PARAM_OUI_SUBTYPE	0x01
1339 #define	WME_VERSION		1
1340 
1341 /* WME stream classes */
1342 #define	WME_AC_BE	0		/* best effort */
1343 #define	WME_AC_BK	1		/* background */
1344 #define	WME_AC_VI	2		/* video */
1345 #define	WME_AC_VO	3		/* voice */
1346 
1347 /*
1348  * AUTH management packets
1349  *
1350  *	octet algo[2]
1351  *	octet seq[2]
1352  *	octet status[2]
1353  *	octet chal.id
1354  *	octet chal.length
1355  *	octet chal.text[253]		NB: 1-253 bytes
1356  */
1357 
1358 /* challenge length for shared key auth */
1359 #define IEEE80211_CHALLENGE_LEN		128
1360 
1361 #define	IEEE80211_AUTH_ALG_OPEN		0x0000
1362 #define	IEEE80211_AUTH_ALG_SHARED	0x0001
1363 #define	IEEE80211_AUTH_ALG_LEAP		0x0080
1364 
1365 enum {
1366 	IEEE80211_AUTH_OPEN_REQUEST		= 1,
1367 	IEEE80211_AUTH_OPEN_RESPONSE		= 2,
1368 };
1369 
1370 enum {
1371 	IEEE80211_AUTH_SHARED_REQUEST		= 1,
1372 	IEEE80211_AUTH_SHARED_CHALLENGE		= 2,
1373 	IEEE80211_AUTH_SHARED_RESPONSE		= 3,
1374 	IEEE80211_AUTH_SHARED_PASS		= 4,
1375 };
1376 
1377 /*
1378  * Reason and status codes.
1379  *
1380  * Reason codes are used in management frames to indicate why an
1381  * action took place (e.g. on disassociation).  Status codes are
1382  * used in management frames to indicate the result of an operation.
1383  *
1384  * Unlisted codes are reserved
1385  */
1386 
1387 enum {
1388 	IEEE80211_REASON_UNSPECIFIED		= 1,
1389 	IEEE80211_REASON_AUTH_EXPIRE		= 2,
1390 	IEEE80211_REASON_AUTH_LEAVE		= 3,
1391 	IEEE80211_REASON_ASSOC_EXPIRE		= 4,
1392 	IEEE80211_REASON_ASSOC_TOOMANY		= 5,
1393 	IEEE80211_REASON_NOT_AUTHED		= 6,
1394 	IEEE80211_REASON_NOT_ASSOCED		= 7,
1395 	IEEE80211_REASON_ASSOC_LEAVE		= 8,
1396 	IEEE80211_REASON_ASSOC_NOT_AUTHED	= 9,
1397 	IEEE80211_REASON_DISASSOC_PWRCAP_BAD	= 10,	/* 11h */
1398 	IEEE80211_REASON_DISASSOC_SUPCHAN_BAD	= 11,	/* 11h */
1399 	IEEE80211_REASON_IE_INVALID		= 13,	/* 11i */
1400 	IEEE80211_REASON_MIC_FAILURE		= 14,	/* 11i */
1401 	IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT	= 15,	/* 11i */
1402 	IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16,	/* 11i */
1403 	IEEE80211_REASON_IE_IN_4WAY_DIFFERS	= 17,	/* 11i */
1404 	IEEE80211_REASON_GROUP_CIPHER_INVALID	= 18,	/* 11i */
1405 	IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19,	/* 11i */
1406 	IEEE80211_REASON_AKMP_INVALID		= 20,	/* 11i */
1407 	IEEE80211_REASON_UNSUPP_RSN_IE_VERSION	= 21,	/* 11i */
1408 	IEEE80211_REASON_INVALID_RSN_IE_CAP	= 22,	/* 11i */
1409 	IEEE80211_REASON_802_1X_AUTH_FAILED	= 23,	/* 11i */
1410 	IEEE80211_REASON_CIPHER_SUITE_REJECTED	= 24,	/* 11i */
1411 	IEEE80211_REASON_UNSPECIFIED_QOS	= 32,	/* 11e */
1412 	IEEE80211_REASON_INSUFFICIENT_BW	= 33,	/* 11e */
1413 	IEEE80211_REASON_TOOMANY_FRAMES		= 34,	/* 11e */
1414 	IEEE80211_REASON_OUTSIDE_TXOP		= 35,	/* 11e */
1415 	IEEE80211_REASON_LEAVING_QBSS		= 36,	/* 11e */
1416 	IEEE80211_REASON_BAD_MECHANISM		= 37,	/* 11e */
1417 	IEEE80211_REASON_SETUP_NEEDED		= 38,	/* 11e */
1418 	IEEE80211_REASON_TIMEOUT		= 39,	/* 11e */
1419 
1420 	IEEE80211_REASON_PEER_LINK_CANCELED	= 52,	/* 11s */
1421 	IEEE80211_REASON_MESH_MAX_PEERS		= 53,	/* 11s */
1422 	IEEE80211_REASON_MESH_CPVIOLATION	= 54,	/* 11s */
1423 	IEEE80211_REASON_MESH_CLOSE_RCVD	= 55,	/* 11s */
1424 	IEEE80211_REASON_MESH_MAX_RETRIES	= 56,	/* 11s */
1425 	IEEE80211_REASON_MESH_CONFIRM_TIMEOUT	= 57,	/* 11s */
1426 	IEEE80211_REASON_MESH_INVALID_GTK	= 58,	/* 11s */
1427 	IEEE80211_REASON_MESH_INCONS_PARAMS	= 59,	/* 11s */
1428 	IEEE80211_REASON_MESH_INVALID_SECURITY	= 60,	/* 11s */
1429 	IEEE80211_REASON_MESH_PERR_NO_PROXY	= 61,	/* 11s */
1430 	IEEE80211_REASON_MESH_PERR_NO_FI	= 62,	/* 11s */
1431 	IEEE80211_REASON_MESH_PERR_DEST_UNREACH	= 63,	/* 11s */
1432 	IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
1433 	IEEE80211_REASON_MESH_CHAN_SWITCH_REG	= 65,	/* 11s */
1434 	IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66,	/* 11s */
1435 
1436 	IEEE80211_STATUS_SUCCESS		= 0,
1437 	IEEE80211_STATUS_UNSPECIFIED		= 1,
1438 	IEEE80211_STATUS_CAPINFO		= 10,
1439 	IEEE80211_STATUS_NOT_ASSOCED		= 11,
1440 	IEEE80211_STATUS_OTHER			= 12,
1441 	IEEE80211_STATUS_ALG			= 13,
1442 	IEEE80211_STATUS_SEQUENCE		= 14,
1443 	IEEE80211_STATUS_CHALLENGE		= 15,
1444 	IEEE80211_STATUS_TIMEOUT		= 16,
1445 	IEEE80211_STATUS_TOOMANY		= 17,
1446 	IEEE80211_STATUS_BASIC_RATE		= 18,
1447 	IEEE80211_STATUS_SP_REQUIRED		= 19,	/* 11b */
1448 	IEEE80211_STATUS_PBCC_REQUIRED		= 20,	/* 11b */
1449 	IEEE80211_STATUS_CA_REQUIRED		= 21,	/* 11b */
1450 	IEEE80211_STATUS_SPECMGMT_REQUIRED	= 22,	/* 11h */
1451 	IEEE80211_STATUS_PWRCAP_REQUIRED	= 23,	/* 11h */
1452 	IEEE80211_STATUS_SUPCHAN_REQUIRED	= 24,	/* 11h */
1453 	IEEE80211_STATUS_SHORTSLOT_REQUIRED	= 25,	/* 11g */
1454 	IEEE80211_STATUS_DSSSOFDM_REQUIRED	= 26,	/* 11g */
1455 	IEEE80211_STATUS_MISSING_HT_CAPS	= 27,	/* 11n D3.0 */
1456 	IEEE80211_STATUS_INVALID_IE		= 40,	/* 11i */
1457 	IEEE80211_STATUS_GROUP_CIPHER_INVALID	= 41,	/* 11i */
1458 	IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42,	/* 11i */
1459 	IEEE80211_STATUS_AKMP_INVALID		= 43,	/* 11i */
1460 	IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION	= 44,	/* 11i */
1461 	IEEE80211_STATUS_INVALID_RSN_IE_CAP	= 45,	/* 11i */
1462 	IEEE80211_STATUS_CIPHER_SUITE_REJECTED	= 46,	/* 11i */
1463 };
1464 
1465 #define	IEEE80211_WEP_KEYLEN		5	/* 40bit */
1466 #define	IEEE80211_WEP_IVLEN		3	/* 24bit */
1467 #define	IEEE80211_WEP_KIDLEN		1	/* 1 octet */
1468 #define	IEEE80211_WEP_CRCLEN		4	/* CRC-32 */
1469 #define	IEEE80211_WEP_TOTLEN		(IEEE80211_WEP_IVLEN + \
1470 					 IEEE80211_WEP_KIDLEN + \
1471 					 IEEE80211_WEP_CRCLEN)
1472 #define	IEEE80211_WEP_NKID		4	/* number of key ids */
1473 
1474 /*
1475  * 802.11i defines an extended IV for use with non-WEP ciphers.
1476  * When the EXTIV bit is set in the key id byte an additional
1477  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
1478  * EXTIV bit is likewise set but the 8 bytes represent the
1479  * CCMP header rather than IV+extended-IV.
1480  */
1481 #define	IEEE80211_WEP_EXTIV		0x20
1482 #define	IEEE80211_WEP_EXTIVLEN		4	/* extended IV length */
1483 #define	IEEE80211_WEP_MICLEN		8	/* trailing MIC */
1484 
1485 #define	IEEE80211_CRC_LEN		4
1486 
1487 /*
1488  * Maximum acceptable MTU is:
1489  *	IEEE80211_MAX_LEN - WEP overhead - CRC -
1490  *		QoS overhead - RSN/WPA overhead
1491  * Min is arbitrarily chosen > IEEE80211_MIN_LEN.  The default
1492  * mtu is Ethernet-compatible; it's set by ether_ifattach.
1493  */
1494 #define	IEEE80211_MTU_MAX		2290
1495 #define	IEEE80211_MTU_MIN		32
1496 
1497 #define	IEEE80211_MAX_LEN		(2300 + IEEE80211_CRC_LEN + \
1498     (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1499 #define	IEEE80211_ACK_LEN \
1500 	(sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1501 #define	IEEE80211_MIN_LEN \
1502 	(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1503 
1504 /*
1505  * The 802.11 spec says at most 2007 stations may be
1506  * associated at once.  For most AP's this is way more
1507  * than is feasible so we use a default of IEEE80211_AID_DEF.
1508  * This number may be overridden by the driver and/or by
1509  * user configuration but may not be less than IEEE80211_AID_MIN
1510  * (see _ieee80211.h for implementation-specific settings).
1511  */
1512 #define	IEEE80211_AID_MAX		2007
1513 
1514 #define	IEEE80211_AID(b)	((b) &~ 0xc000)
1515 
1516 /*
1517  * RTS frame length parameters.  The default is specified in
1518  * the 802.11 spec as 512; we treat it as implementation-dependent
1519  * so it's defined in ieee80211_var.h.  The max may be wrong
1520  * for jumbo frames.
1521  */
1522 #define	IEEE80211_RTS_MIN		1
1523 #define	IEEE80211_RTS_MAX		2346
1524 
1525 /*
1526  * TX fragmentation parameters.  As above for RTS, we treat
1527  * default as implementation-dependent so define it elsewhere.
1528  */
1529 #define	IEEE80211_FRAG_MIN		256
1530 #define	IEEE80211_FRAG_MAX		2346
1531 
1532 /*
1533  * Beacon interval (TU's).  Min+max come from WiFi requirements.
1534  * As above, we treat default as implementation-dependent so
1535  * define it elsewhere.
1536  */
1537 #define	IEEE80211_BINTVAL_MAX	1000	/* max beacon interval (TU's) */
1538 #define	IEEE80211_BINTVAL_MIN	25	/* min beacon interval (TU's) */
1539 
1540 /*
1541  * DTIM period (beacons).  Min+max are not really defined
1542  * by the protocol but we want them publicly visible so
1543  * define them here.
1544  */
1545 #define	IEEE80211_DTIM_MAX	15	/* max DTIM period */
1546 #define	IEEE80211_DTIM_MIN	1	/* min DTIM period */
1547 
1548 /*
1549  * Beacon miss threshold (beacons).  As for DTIM, we define
1550  * them here to be publicly visible.  Note the max may be
1551  * clamped depending on device capabilities.
1552  */
1553 #define	IEEE80211_HWBMISS_MIN 	1
1554 #define	IEEE80211_HWBMISS_MAX 	255
1555 
1556 /*
1557  * 802.11 frame duration definitions.
1558  */
1559 
1560 struct ieee80211_duration {
1561 	uint16_t	d_rts_dur;
1562 	uint16_t	d_data_dur;
1563 	uint16_t	d_plcp_len;
1564 	uint8_t		d_residue;	/* unused octets in time slot */
1565 };
1566 
1567 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1568 #define IEEE80211_DUR_TU		1024
1569 
1570 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1571 #define IEEE80211_DUR_DS_LONG_PREAMBLE	144
1572 #define IEEE80211_DUR_DS_SHORT_PREAMBLE	72
1573 
1574 #define IEEE80211_DUR_DS_SLOW_PLCPHDR	48
1575 #define IEEE80211_DUR_DS_FAST_PLCPHDR	24
1576 #define IEEE80211_DUR_DS_SLOW_ACK	112
1577 #define IEEE80211_DUR_DS_FAST_ACK	56
1578 #define IEEE80211_DUR_DS_SLOW_CTS	112
1579 #define IEEE80211_DUR_DS_FAST_CTS	56
1580 
1581 #define IEEE80211_DUR_DS_SLOT		20
1582 #define IEEE80211_DUR_DS_SIFS		10
1583 #define IEEE80211_DUR_DS_PIFS	(IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1584 #define IEEE80211_DUR_DS_DIFS	(IEEE80211_DUR_DS_SIFS + \
1585 				 2 * IEEE80211_DUR_DS_SLOT)
1586 #define IEEE80211_DUR_DS_EIFS	(IEEE80211_DUR_DS_SIFS + \
1587 				 IEEE80211_DUR_DS_SLOW_ACK + \
1588 				 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1589 				 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1590 				 IEEE80211_DUR_DIFS)
1591 
1592 #endif /* _NET80211_IEEE80211_H_ */
1593