xref: /freebsd/sys/net80211/ieee80211.h (revision c7046f76)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
29  */
30 #ifndef _NET80211_IEEE80211_H_
31 #define _NET80211_IEEE80211_H_
32 
33 /*
34  * 802.11 protocol definitions.
35  */
36 
37 #define	IEEE80211_ADDR_LEN	6		/* size of 802.11 address */
38 /* is 802.11 address multicast/broadcast? */
39 #define	IEEE80211_IS_MULTICAST(_a)	(*(_a) & 0x01)
40 
41 #ifdef _KERNEL
42 extern const uint8_t ieee80211broadcastaddr[];
43 #endif
44 
45 typedef uint16_t ieee80211_seq;
46 
47 /* IEEE 802.11 PLCP header */
48 struct ieee80211_plcp_hdr {
49 	uint16_t	i_sfd;
50 	uint8_t		i_signal;
51 	uint8_t		i_service;
52 	uint16_t	i_length;
53 	uint16_t	i_crc;
54 } __packed;
55 
56 #define IEEE80211_PLCP_SFD      0xF3A0
57 #define IEEE80211_PLCP_SERVICE  0x00
58 #define IEEE80211_PLCP_SERVICE_LOCKED	0x04
59 #define IEEE80211_PLCL_SERVICE_PBCC	0x08
60 #define IEEE80211_PLCP_SERVICE_LENEXT5	0x20
61 #define IEEE80211_PLCP_SERVICE_LENEXT6	0x40
62 #define IEEE80211_PLCP_SERVICE_LENEXT7	0x80
63 
64 /*
65  * generic definitions for IEEE 802.11 frames
66  */
67 struct ieee80211_frame {
68 	uint8_t		i_fc[2];
69 	uint8_t		i_dur[2];
70 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
71 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
72 	uint8_t		i_addr3[IEEE80211_ADDR_LEN];
73 	uint8_t		i_seq[2];
74 	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
75 	/* see below */
76 } __packed;
77 
78 struct ieee80211_qosframe {
79 	uint8_t		i_fc[2];
80 	uint8_t		i_dur[2];
81 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
82 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
83 	uint8_t		i_addr3[IEEE80211_ADDR_LEN];
84 	uint8_t		i_seq[2];
85 	uint8_t		i_qos[2];
86 	/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
87 	/* see below */
88 } __packed;
89 
90 struct ieee80211_qoscntl {
91 	uint8_t		i_qos[2];
92 };
93 
94 struct ieee80211_frame_addr4 {
95 	uint8_t		i_fc[2];
96 	uint8_t		i_dur[2];
97 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
98 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
99 	uint8_t		i_addr3[IEEE80211_ADDR_LEN];
100 	uint8_t		i_seq[2];
101 	uint8_t		i_addr4[IEEE80211_ADDR_LEN];
102 } __packed;
103 
104 struct ieee80211_qosframe_addr4 {
105 	uint8_t		i_fc[2];
106 	uint8_t		i_dur[2];
107 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
108 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
109 	uint8_t		i_addr3[IEEE80211_ADDR_LEN];
110 	uint8_t		i_seq[2];
111 	uint8_t		i_addr4[IEEE80211_ADDR_LEN];
112 	uint8_t		i_qos[2];
113 } __packed;
114 
115 #define	IEEE80211_FC0_VERSION_MASK		0x03
116 #define	IEEE80211_FC0_VERSION_SHIFT		0
117 #define	IEEE80211_FC0_VERSION_0			0x00
118 #define	IEEE80211_FC0_TYPE_MASK			0x0c
119 #define	IEEE80211_FC0_TYPE_SHIFT		2
120 #define	IEEE80211_FC0_TYPE_MGT			0x00	/* Management */
121 #define	IEEE80211_FC0_TYPE_CTL			0x04	/* Control */
122 #define	IEEE80211_FC0_TYPE_DATA			0x08	/* Data */
123 #define	IEEE80211_FC0_TYPE_EXT			0x0c	/* Extension */
124 
125 #define	IEEE80211_FC0_SUBTYPE_MASK		0xf0
126 #define	IEEE80211_FC0_SUBTYPE_SHIFT		4
127 /* 802.11-2020 Table 9-1-Valid type and subtype combinations */
128 /* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */
129 #define	IEEE80211_FC0_SUBTYPE_ASSOC_REQ		0x00	/* Association Request */
130 #define	IEEE80211_FC0_SUBTYPE_ASSOC_RESP	0x10	/* Association Response */
131 #define	IEEE80211_FC0_SUBTYPE_REASSOC_REQ	0x20	/* Reassociation Request */
132 #define	IEEE80211_FC0_SUBTYPE_REASSOC_RESP	0x30	/* Reassociation Response */
133 #define	IEEE80211_FC0_SUBTYPE_PROBE_REQ		0x40	/* Probe Request */
134 #define	IEEE80211_FC0_SUBTYPE_PROBE_RESP	0x50	/* Probe Response */
135 #define	IEEE80211_FC0_SUBTYPE_TIMING_ADV	0x60	/* Timing Advertisement */
136 /* 0111 Reserved				0x70 */
137 #define	IEEE80211_FC0_SUBTYPE_BEACON		0x80	/* Beacon */
138 #define	IEEE80211_FC0_SUBTYPE_ATIM		0x90	/* ATIM */
139 #define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0	/* Disassociation */
140 #define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0	/* Authentication */
141 #define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0	/* Deauthentication */
142 #define	IEEE80211_FC0_SUBTYPE_ACTION		0xd0	/* Action */
143 #define	IEEE80211_FC0_SUBTYPE_ACTION_NOACK	0xe0	/* Action No Ack */
144 /* 1111 Reserved				0xf0 */
145 /* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */
146 /* 0000-0001 Reserved				0x00-0x10 */
147 #define	IEEE80211_FC0_SUBTYPE_TRIGGER		0x20	/* Trigger, 80211ax-2021 */
148 #define	IEEE80211_FC0_SUBTYPE_TACK		0x30	/* TACK */
149 #define	IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL	0x40	/* Beamforming Report Poll */
150 #define	IEEE80211_FC0_SUBTYPE_VHT_HE_NDP	0x50	/* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */
151 #define	IEEE80211_FC0_SUBTYPE_CTL_EXT		0x60	/* Control Frame Extension */
152 #define	IEEE80211_FC0_SUBTYPE_CONTROL_WRAP	0x70	/* Control Wrapper */
153 #define	IEEE80211_FC0_SUBTYPE_BAR		0x80	/* Block Ack Request (BlockAckReq) */
154 #define	IEEE80211_FC0_SUBTYPE_BA		0x90	/* Block Ack (BlockAck) */
155 #define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0	/* PS-Poll */
156 #define	IEEE80211_FC0_SUBTYPE_RTS		0xb0	/* RTS */
157 #define	IEEE80211_FC0_SUBTYPE_CTS		0xc0	/* CTS */
158 #define	IEEE80211_FC0_SUBTYPE_ACK		0xd0	/* Ack */
159 #define	IEEE80211_FC0_SUBTYPE_CF_END		0xe0	/* CF-End */
160 #define	IEEE80211_FC0_SUBTYPE_CF_END_ACK	0xf0	/* 1111 Reserved - what was CF_END_ACK? */
161 /* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */
162 #define	IEEE80211_FC0_SUBTYPE_DATA		0x00	/* Data */
163 /* 0001-0011 Reserved				0x10-0x30 */	/* Were: CF_ACK, CF_POLL, CF_ACPL */
164 #define	IEEE80211_FC0_SUBTYPE_NODATA		0x40	/* Null */
165 /* 0101-0111 Reserved				0x50-0x70 */	/* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */
166 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA		0x80	/* QoS Data */
167 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK	0x90	/* QoS Data +CF-Ack */
168 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL	0xa0	/* QoS Data +CF-Poll */
169 #define	IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0	/* QoS Data +CF-Ack +CF-Poll */
170 #define	IEEE80211_FC0_SUBTYPE_QOS_NULL		0xc0	/* QoS Null */
171 /* 1101 Reserved				0xd0 */
172 #define	IEEE80211_FC0_SUBTYPE_QOS_CFPOLL	0xe0	/* QoS CF-Poll */
173 #define	IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL	0xf0	/* QoS CF-Ack +CF-Poll */
174 /* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */
175 #define	IEEE80211_FC0_SUBTYPE_DMG_BEACON	0x00	/* DMG Beacon */
176 #define	IEEE80211_FC0_SUBTYPE_S1G_BEACON	0x10	/* S1G Beacon */
177 /* 0010-1111 Reserved				0x20-0xff */
178 
179 /* 802.11-2020 Table 9-2-Control Frame Extension */
180 /* Reusing B11..B8, part of FC1 */
181 #define	IEEE80211_CTL_EXT_SECTOR_ACK		0x00	/* Sector Ack, 80211ay-2021 */
182 #define	IEEE80211_CTL_EXT_BA_SCHED		0x01	/* Block Ack Schedule, 80211ay-2021 */
183 #define	IEEE80211_CTL_EXT_POLL			0x02	/* Poll */
184 #define	IEEE80211_CTL_EXT_SPR			0x03	/* SPR */
185 #define	IEEE80211_CTL_EXT_GRANT			0x04	/* Grant */
186 #define	IEEE80211_CTL_EXT_DMG_CTS		0x05	/* DMG CTS */
187 #define	IEEE80211_CTL_EXT_DMG_DTS		0x06	/* DMG DTS */
188 #define	IEEE80211_CTL_EXT_GRANT_ACK		0x07	/* Grant Ack */
189 #define	IEEE80211_CTL_EXT_SSW			0x08	/* SSW */
190 #define	IEEE80211_CTL_EXT_SSW_FBACK		0x09	/* SSW-Feedback */
191 #define	IEEE80211_CTL_EXT_SSW_ACK		0x0a	/* SSW-Ack */
192 #define	IEEE80211_CTL_EXT_TDD_BF		0x0b	/* TDD Beamforming, 80211ay-2021 */
193 /* 1100-1111 Reserved				0xc-0xf */
194 
195 #define	IEEE80211_IS_MGMT(wh)					\
196 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
197 	    == IEEE80211_FC0_TYPE_MGT))
198 #define	IEEE80211_IS_CTL(wh)					\
199 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
200 	    == IEEE80211_FC0_TYPE_CTL))
201 #define	IEEE80211_IS_DATA(wh)					\
202 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
203 	    == IEEE80211_FC0_TYPE_DATA))
204 #define	IEEE80211_IS_EXT(wh)					\
205 	(!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK)		\
206 	    == IEEE80211_FC0_TYPE_EXT))
207 
208 #define	IEEE80211_FC0_QOSDATA \
209 	(IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS_DATA|IEEE80211_FC0_VERSION_0)
210 
211 #define	IEEE80211_IS_QOSDATA(wh) \
212 	((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA)
213 
214 #define	IEEE80211_FC1_DIR_MASK			0x03
215 #define	IEEE80211_FC1_DIR_NODS			0x00	/* STA->STA */
216 #define	IEEE80211_FC1_DIR_TODS			0x01	/* STA->AP  */
217 #define	IEEE80211_FC1_DIR_FROMDS		0x02	/* AP ->STA */
218 #define	IEEE80211_FC1_DIR_DSTODS		0x03	/* AP ->AP  */
219 
220 #define	IEEE80211_IS_DSTODS(wh) \
221 	(((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
222 
223 #define	IEEE80211_FC1_MORE_FRAG			0x04
224 #define	IEEE80211_FC1_RETRY			0x08
225 #define	IEEE80211_FC1_PWR_MGT			0x10
226 #define	IEEE80211_FC1_MORE_DATA			0x20
227 #define	IEEE80211_FC1_PROTECTED			0x40
228 #define	IEEE80211_FC1_ORDER			0x80
229 
230 #define	IEEE80211_IS_PROTECTED(wh) \
231 	((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED)
232 
233 #define IEEE80211_HAS_SEQ(type, subtype) \
234 	((type) != IEEE80211_FC0_TYPE_CTL && \
235 	!((type) == IEEE80211_FC0_TYPE_DATA && \
236 	 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \
237 		      IEEE80211_FC0_SUBTYPE_QOS_NULL))
238 #define	IEEE80211_SEQ_FRAG_MASK			0x000f
239 #define	IEEE80211_SEQ_FRAG_SHIFT		0
240 #define	IEEE80211_SEQ_SEQ_MASK			0xfff0
241 #define	IEEE80211_SEQ_SEQ_SHIFT			4
242 #define	IEEE80211_SEQ_RANGE			4096
243 
244 #define	IEEE80211_SEQ_ADD(seq, incr) \
245 	(((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1))
246 #define	IEEE80211_SEQ_INC(seq)	IEEE80211_SEQ_ADD(seq,1)
247 #define	IEEE80211_SEQ_SUB(a, b) \
248 	(((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1))
249 
250 #define	IEEE80211_SEQ_BA_RANGE			2048	/* 2^11 */
251 #define	IEEE80211_SEQ_BA_BEFORE(a, b) \
252 	(IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1)
253 
254 #define	IEEE80211_NWID_LEN			32
255 #define	IEEE80211_MESHID_LEN			32
256 
257 #define	IEEE80211_QOS_CTL_LEN			2
258 
259 #define	IEEE80211_QOS_TXOP			0x00ff
260 /* bit 8 is reserved */
261 #define	IEEE80211_QOS_AMSDU			0x80
262 #define	IEEE80211_QOS_AMSDU_S			7
263 #define	IEEE80211_QOS_ACKPOLICY			0x60
264 #define	IEEE80211_QOS_ACKPOLICY_S		5
265 #define	IEEE80211_QOS_ACKPOLICY_NOACK		0x20	/* No ACK required */
266 #define	IEEE80211_QOS_ACKPOLICY_BA		0x60	/* Block ACK */
267 #define	IEEE80211_QOS_EOSP			0x10	/* EndOfService Period*/
268 #define	IEEE80211_QOS_EOSP_S			4
269 #define	IEEE80211_QOS_TID			0x0f
270 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */
271 #define IEEE80211_QOS_MC			0x01	/* Mesh control */
272 /* Mesh power save level*/
273 #define IEEE80211_QOS_MESH_PSL			0x02
274 /* Mesh Receiver Service Period Initiated */
275 #define IEEE80211_QOS_RSPI			0x04
276 /* bits 11 to 15 reserved */
277 
278 /* does frame have QoS sequence control data */
279 #define	IEEE80211_QOS_HAS_SEQ(wh) \
280 	(((wh)->i_fc[0] & \
281 	  (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \
282 	  (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA))
283 
284 /*
285  * WME/802.11e information element.
286  */
287 struct ieee80211_wme_info {
288 	uint8_t		wme_id;		/* IEEE80211_ELEMID_VENDOR */
289 	uint8_t		wme_len;	/* length in bytes */
290 	uint8_t		wme_oui[3];	/* 0x00, 0x50, 0xf2 */
291 	uint8_t		wme_type;	/* OUI type */
292 	uint8_t		wme_subtype;	/* OUI subtype */
293 	uint8_t		wme_version;	/* spec revision */
294 	uint8_t		wme_info;	/* QoS info */
295 } __packed;
296 
297 /*
298  * WME/802.11e Tspec Element
299  */
300 struct ieee80211_wme_tspec {
301 	uint8_t		ts_id;
302 	uint8_t		ts_len;
303 	uint8_t		ts_oui[3];
304 	uint8_t		ts_oui_type;
305 	uint8_t		ts_oui_subtype;
306 	uint8_t		ts_version;
307 	uint8_t		ts_tsinfo[3];
308 	uint8_t		ts_nom_msdu[2];
309 	uint8_t		ts_max_msdu[2];
310 	uint8_t		ts_min_svc[4];
311 	uint8_t		ts_max_svc[4];
312 	uint8_t		ts_inactv_intv[4];
313 	uint8_t		ts_susp_intv[4];
314 	uint8_t		ts_start_svc[4];
315 	uint8_t		ts_min_rate[4];
316 	uint8_t		ts_mean_rate[4];
317 	uint8_t		ts_max_burst[4];
318 	uint8_t		ts_min_phy[4];
319 	uint8_t		ts_peak_rate[4];
320 	uint8_t		ts_delay[4];
321 	uint8_t		ts_surplus[2];
322 	uint8_t		ts_medium_time[2];
323 } __packed;
324 
325 /*
326  * WME AC parameter field
327  */
328 struct ieee80211_wme_acparams {
329 	uint8_t		acp_aci_aifsn;
330 	uint8_t		acp_logcwminmax;
331 	uint16_t	acp_txop;
332 } __packed;
333 
334 #define WME_NUM_AC		4	/* 4 AC categories */
335 #define	WME_NUM_TID		16	/* 16 tids */
336 
337 #define WME_PARAM_ACI		0x60	/* Mask for ACI field */
338 #define WME_PARAM_ACI_S		5	/* Shift for ACI field */
339 #define WME_PARAM_ACM		0x10	/* Mask for ACM bit */
340 #define WME_PARAM_ACM_S		4	/* Shift for ACM bit */
341 #define WME_PARAM_AIFSN		0x0f	/* Mask for aifsn field */
342 #define WME_PARAM_AIFSN_S	0	/* Shift for aifsn field */
343 #define WME_PARAM_LOGCWMIN	0x0f	/* Mask for CwMin field (in log) */
344 #define WME_PARAM_LOGCWMIN_S	0	/* Shift for CwMin field */
345 #define WME_PARAM_LOGCWMAX	0xf0	/* Mask for CwMax field (in log) */
346 #define WME_PARAM_LOGCWMAX_S	4	/* Shift for CwMax field */
347 
348 #define WME_AC_TO_TID(_ac) (       \
349 	((_ac) == WME_AC_VO) ? 6 : \
350 	((_ac) == WME_AC_VI) ? 5 : \
351 	((_ac) == WME_AC_BK) ? 1 : \
352 	0)
353 
354 #define TID_TO_WME_AC(_tid) (      \
355 	((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \
356 	((_tid) < 3) ? WME_AC_BK : \
357 	((_tid) < 6) ? WME_AC_VI : \
358 	WME_AC_VO)
359 
360 /*
361  * WME Parameter Element
362  */
363 struct ieee80211_wme_param {
364 	uint8_t		param_id;
365 	uint8_t		param_len;
366 	uint8_t		param_oui[3];
367 	uint8_t		param_oui_type;
368 	uint8_t		param_oui_subtype;
369 	uint8_t		param_version;
370 	uint8_t		param_qosInfo;
371 #define	WME_QOSINFO_COUNT	0x0f	/* Mask for param count field */
372 	uint8_t		param_reserved;
373 	struct ieee80211_wme_acparams	params_acParams[WME_NUM_AC];
374 } __packed;
375 
376 /*
377  * WME U-APSD qos info field defines
378  */
379 #define	WME_CAPINFO_UAPSD_EN                    0x00000080
380 #define	WME_CAPINFO_UAPSD_VO                    0x00000001
381 #define	WME_CAPINFO_UAPSD_VI                    0x00000002
382 #define	WME_CAPINFO_UAPSD_BK                    0x00000004
383 #define	WME_CAPINFO_UAPSD_BE                    0x00000008
384 #define	WME_CAPINFO_UAPSD_ACFLAGS_SHIFT         0
385 #define	WME_CAPINFO_UAPSD_ACFLAGS_MASK          0xF
386 #define	WME_CAPINFO_UAPSD_MAXSP_SHIFT           5
387 #define	WME_CAPINFO_UAPSD_MAXSP_MASK            0x3
388 #define	WME_CAPINFO_IE_OFFSET                   8
389 #define	WME_UAPSD_MAXSP(_qosinfo)				\
390 	    (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) &	\
391 	    WME_CAPINFO_UAPSD_MAXSP_MASK)
392 #define	WME_UAPSD_AC_ENABLED(_ac, _qosinfo)			\
393 	    ((1 << (3 - (_ac))) & (				\
394 	    ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) &	\
395 	    WME_CAPINFO_UAPSD_ACFLAGS_MASK))
396 
397 /*
398  * Management Notification Frame
399  */
400 struct ieee80211_mnf {
401 	uint8_t		mnf_category;
402 	uint8_t		mnf_action;
403 	uint8_t		mnf_dialog;
404 	uint8_t		mnf_status;
405 } __packed;
406 #define	MNF_SETUP_REQ	0
407 #define	MNF_SETUP_RESP	1
408 #define	MNF_TEARDOWN	2
409 
410 /*
411  * 802.11n Management Action Frames
412  */
413 /* generic frame format */
414 struct ieee80211_action {
415 	uint8_t		ia_category;
416 	uint8_t		ia_action;
417 } __packed;
418 
419 /* 80211-2020 Table 9-51-Category values */
420 #define	IEEE80211_ACTION_CAT_SM			0	/* 9.6.2 Spectrum Management */
421 #define	IEEE80211_ACTION_CAT_QOS		1	/* 9.6.3 QoS */
422 /* Reserved					2	was IEEE80211_ACTION_CAT_DLS */
423 #define	IEEE80211_ACTION_CAT_BA			3	/* 9.6.4 Block Ack */
424 #define	IEEE80211_ACTION_CAT_PUBLIC		4	/* 9.6.7 Public */
425 #define	IEEE80211_ACTION_CAT_RADIO_MEASUREMENT	5	/* 9.6.6 Radio Measurement */
426 #define	IEEE80211_ACTION_CAT_FAST_BBS_TRANSITION 6	/* 9.6.8 Fast BSS Transition */
427 #define	IEEE80211_ACTION_CAT_HT			7	/* 9.6.11 HT */
428 #define	IEEE80211_ACTION_CAT_SA_QUERY		8	/* 9.6.9 SA Query */
429 #define	IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */
430 #define	IEEE80211_ACTION_CAT_WNM		10	/* 9.6.13 WNM */
431 #define	IEEE80211_ACTION_CAT_UNPROTECTED_WNM	11	/* 9.6.14 Unprotected WNM */
432 #define	IEEE80211_ACTION_CAT_TDLS		12	/* 9.6.12 TDLS */
433 #define	IEEE80211_ACTION_CAT_MESH		13	/* 9.6.16 Mesh */
434 #define	IEEE80211_ACTION_CAT_MULTIHOP		14	/* 9.6.17 Multihop */
435 #define	IEEE80211_ACTION_CAT_SELF_PROT		15	/* 9.6.15 Self-protected */
436 #define	IEEE80211_ACTION_CAT_DMG		16	/* 9.6.19 DMG */
437 /* Reserved					17	(R)Wi-Fi Alliance */
438 #define	IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18	/* 9.6.20 Fast Session Transfer */
439 #define	IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19	/* 9.6.18 Robust AV Streaming */
440 #define	IEEE80211_ACTION_CAT_UNPROTECTED_DMG	20	/* 9.6.21 Unprotected DMG */
441 #define	IEEE80211_ACTION_CAT_VHT		21	/* 9.6.22 VHT */
442 #define	IEEE80211_ACTION_CAT_UNPROTECTED_S1G	22	/* 9.6.24 Unprotected S1G */
443 #define	IEEE80211_ACTION_CAT_S1G		23	/* 9.6.25 S1G */
444 #define	IEEE80211_ACTION_CAT_FLOW_CONTROL	24	/* 9.6.26 Flow Control */
445 #define	IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG	25	/* 9.6.27 Control Response MCS Negotiation */
446 #define	IEEE80211_ACTION_CAT_FILS		26	/* 9.6.23 FILS */
447 #define	IEEE80211_ACTION_CAT_CDMG		27	/* 9.6.28 CDMG */
448 #define	IEEE80211_ACTION_CAT_CMMG		28	/* 9.6.29 CMMG */
449 #define	IEEE80211_ACTION_CAT_GLK		29	/* 9.6.30 GLK */
450 #define	IEEE80211_ACTION_CAT_HE			30	/* 9.6.31 HE, 80211ax-2021 */
451 #define	IEEE80211_ACTION_CAT_PROTECTED_HE	31	/* 9.6.32 Protected HE, 80211ax-2021 */
452 /* Reserved					32-125 */
453 #define	IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */
454 #define	IEEE80211_ACTION_CAT_VENDOR		127	/* 9.6.5 Vendor-specific */
455 /* Error					128-255 */
456 
457 
458 /* 80211-2020 Table 9-346-Spectrum Management Action field values */
459 enum ieee80211_action_sm {
460 	IEEE80211_ACTION_SM_SMREQ		= 0,	/* Spectrum Measurement Request */
461 	IEEE80211_ACTION_SM_SMREP		= 1,	/* Spectrum Measurement Report */
462 	IEEE80211_ACTION_SM_TPCREQ		= 2,	/* TPC Request */
463 	IEEE80211_ACTION_SM_TPCREP		= 3,	/* TPC Report */
464 	IEEE80211_ACTION_SM_CSA			= 4,	/* Channel Switch Announcement */
465 	/* Reserved				= 5-255 */
466 };
467 
468 /* 80211-2020 Table 9-363-Radio Measurement Action field values */
469 enum ieee80211_action_radio_measurement {
470 	IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ	= 0,	/* Radio Measurement Request */
471 	IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP	= 1,	/* Radio Measurement Report */
472 	IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ	= 2,	/* Link Measurement Request */
473 	IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP	= 3,	/* Link Measurement Report */
474 	IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ	= 4,	/* Neighbor Report Request */
475 	IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP	= 5,	/* Neighbor Report Response */
476 	/* Reserved					= 6-255 */
477 };
478 
479 #define	IEEE80211_ACTION_HT_TXCHWIDTH	0	/* recommended xmit chan width*/
480 #define	IEEE80211_ACTION_HT_MIMOPWRSAVE	1	/* MIMO power save */
481 
482 /* HT - recommended transmission channel width */
483 struct ieee80211_action_ht_txchwidth {
484 	struct ieee80211_action	at_header;
485 	uint8_t		at_chwidth;
486 } __packed;
487 
488 #define	IEEE80211_A_HT_TXCHWIDTH_20	0
489 #define	IEEE80211_A_HT_TXCHWIDTH_2040	1
490 
491 /* HT - MIMO Power Save (NB: D2.04) */
492 struct ieee80211_action_ht_mimopowersave {
493 	struct ieee80211_action am_header;
494 	uint8_t		am_control;
495 } __packed;
496 
497 #define	IEEE80211_A_HT_MIMOPWRSAVE_ENA		0x01	/* PS enabled */
498 #define	IEEE80211_A_HT_MIMOPWRSAVE_MODE		0x02
499 #define	IEEE80211_A_HT_MIMOPWRSAVE_MODE_S	1
500 #define	IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC	0x02	/* Dynamic Mode */
501 #define	IEEE80211_A_HT_MIMOPWRSAVE_STATIC	0x00	/* no SM packets */
502 /* bits 2-7 reserved */
503 
504 /* Block Ack actions */
505 #define IEEE80211_ACTION_BA_ADDBA_REQUEST       0   /* ADDBA request */
506 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE      1   /* ADDBA response */
507 #define IEEE80211_ACTION_BA_DELBA	        2   /* DELBA */
508 
509 /* Block Ack Parameter Set */
510 #define	IEEE80211_BAPS_BUFSIZ	0xffc0		/* buffer size */
511 #define	IEEE80211_BAPS_BUFSIZ_S	6
512 #define	IEEE80211_BAPS_TID	0x003c		/* TID */
513 #define	IEEE80211_BAPS_TID_S	2
514 #define	IEEE80211_BAPS_POLICY	0x0002		/* block ack policy */
515 #define	IEEE80211_BAPS_POLICY_S	1
516 #define	IEEE80211_BAPS_AMSDU	0x0001		/* A-MSDU permitted */
517 #define	IEEE80211_BAPS_AMSDU_S	0
518 
519 #define	IEEE80211_BAPS_POLICY_DELAYED	(0<<IEEE80211_BAPS_POLICY_S)
520 #define	IEEE80211_BAPS_POLICY_IMMEDIATE	(1<<IEEE80211_BAPS_POLICY_S)
521 
522 /* Block Ack Sequence Control */
523 #define	IEEE80211_BASEQ_START	0xfff0		/* starting seqnum */
524 #define	IEEE80211_BASEQ_START_S	4
525 #define	IEEE80211_BASEQ_FRAG	0x000f		/* fragment number */
526 #define	IEEE80211_BASEQ_FRAG_S	0
527 
528 /* Delayed Block Ack Parameter Set */
529 #define	IEEE80211_DELBAPS_TID	0xf000		/* TID */
530 #define	IEEE80211_DELBAPS_TID_S	12
531 #define	IEEE80211_DELBAPS_INIT	0x0800		/* initiator */
532 #define	IEEE80211_DELBAPS_INIT_S 11
533 
534 /* BA - ADDBA request */
535 struct ieee80211_action_ba_addbarequest {
536 	struct ieee80211_action rq_header;
537 	uint8_t		rq_dialogtoken;
538 	uint16_t	rq_baparamset;
539 	uint16_t	rq_batimeout;		/* in TUs */
540 	uint16_t	rq_baseqctl;
541 } __packed;
542 
543 /* BA - ADDBA response */
544 struct ieee80211_action_ba_addbaresponse {
545 	struct ieee80211_action rs_header;
546 	uint8_t		rs_dialogtoken;
547 	uint16_t	rs_statuscode;
548 	uint16_t	rs_baparamset;
549 	uint16_t	rs_batimeout;		/* in TUs */
550 } __packed;
551 
552 /* BA - DELBA */
553 struct ieee80211_action_ba_delba {
554 	struct ieee80211_action dl_header;
555 	uint16_t	dl_baparamset;
556 	uint16_t	dl_reasoncode;
557 } __packed;
558 
559 /* BAR Control */
560 #define	IEEE80211_BAR_TID	0xf000		/* TID */
561 #define	IEEE80211_BAR_TID_S	12
562 #define	IEEE80211_BAR_COMP	0x0004		/* Compressed Bitmap */
563 #define	IEEE80211_BAR_MTID	0x0002		/* Multi-TID */
564 #define	IEEE80211_BAR_NOACK	0x0001		/* No-Ack policy */
565 
566 /* BAR Starting Sequence Control */
567 #define	IEEE80211_BAR_SEQ_START	0xfff0		/* starting seqnum */
568 #define	IEEE80211_BAR_SEQ_START_S	4
569 
570 struct ieee80211_ba_request {
571 	uint16_t	rq_barctl;
572 	uint16_t	rq_barseqctl;
573 } __packed;
574 
575 /*
576  * Control frames.
577  */
578 struct ieee80211_frame_min {
579 	uint8_t		i_fc[2];
580 	uint8_t		i_dur[2];
581 	uint8_t		i_addr1[IEEE80211_ADDR_LEN];
582 	uint8_t		i_addr2[IEEE80211_ADDR_LEN];
583 	/* FCS */
584 } __packed;
585 
586 struct ieee80211_frame_rts {
587 	uint8_t		i_fc[2];
588 	uint8_t		i_dur[2];
589 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
590 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
591 	/* FCS */
592 } __packed;
593 
594 struct ieee80211_frame_cts {
595 	uint8_t		i_fc[2];
596 	uint8_t		i_dur[2];
597 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
598 	/* FCS */
599 } __packed;
600 
601 struct ieee80211_frame_ack {
602 	uint8_t		i_fc[2];
603 	uint8_t		i_dur[2];
604 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
605 	/* FCS */
606 } __packed;
607 
608 struct ieee80211_frame_pspoll {
609 	uint8_t		i_fc[2];
610 	uint8_t		i_aid[2];
611 	uint8_t		i_bssid[IEEE80211_ADDR_LEN];
612 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
613 	/* FCS */
614 } __packed;
615 
616 struct ieee80211_frame_cfend {		/* NB: also CF-End+CF-Ack */
617 	uint8_t		i_fc[2];
618 	uint8_t		i_dur[2];	/* should be zero */
619 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
620 	uint8_t		i_bssid[IEEE80211_ADDR_LEN];
621 	/* FCS */
622 } __packed;
623 
624 struct ieee80211_frame_bar {
625 	uint8_t		i_fc[2];
626 	uint8_t		i_dur[2];
627 	uint8_t		i_ra[IEEE80211_ADDR_LEN];
628 	uint8_t		i_ta[IEEE80211_ADDR_LEN];
629 	uint16_t	i_ctl;
630 	uint16_t	i_seq;
631 	/* FCS */
632 } __packed;
633 
634 /*
635  * BEACON management packets
636  *
637  *	octet timestamp[8]
638  *	octet beacon interval[2]
639  *	octet capability information[2]
640  *	information element
641  *		octet elemid
642  *		octet length
643  *		octet information[length]
644  */
645 
646 #define	IEEE80211_BEACON_INTERVAL(beacon) \
647 	((beacon)[8] | ((beacon)[9] << 8))
648 #define	IEEE80211_BEACON_CAPABILITY(beacon) \
649 	((beacon)[10] | ((beacon)[11] << 8))
650 
651 #define	IEEE80211_CAPINFO_ESS			0x0001
652 #define	IEEE80211_CAPINFO_IBSS			0x0002
653 #define	IEEE80211_CAPINFO_CF_POLLABLE		0x0004
654 #define	IEEE80211_CAPINFO_CF_POLLREQ		0x0008
655 #define	IEEE80211_CAPINFO_PRIVACY		0x0010
656 #define	IEEE80211_CAPINFO_SHORT_PREAMBLE	0x0020
657 #define	IEEE80211_CAPINFO_PBCC			0x0040
658 #define	IEEE80211_CAPINFO_CHNL_AGILITY		0x0080
659 #define	IEEE80211_CAPINFO_SPECTRUM_MGMT		0x0100
660 /* bit 9 is reserved */
661 #define	IEEE80211_CAPINFO_SHORT_SLOTTIME	0x0400
662 #define	IEEE80211_CAPINFO_RSN			0x0800
663 /* bit 12 is reserved */
664 #define	IEEE80211_CAPINFO_DSSSOFDM		0x2000
665 /* bits 14-15 are reserved */
666 
667 #define	IEEE80211_CAPINFO_BITS \
668 	"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
669 	"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
670 	"\16DSSOFDM"
671 
672 /*
673  * 802.11i/WPA information element (maximally sized).
674  */
675 struct ieee80211_ie_wpa {
676 	uint8_t		wpa_id;		/* IEEE80211_ELEMID_VENDOR */
677 	uint8_t		wpa_len;	/* length in bytes */
678 	uint8_t		wpa_oui[3];	/* 0x00, 0x50, 0xf2 */
679 	uint8_t		wpa_type;	/* OUI type */
680 	uint16_t	wpa_version;	/* spec revision */
681 	uint32_t	wpa_mcipher[1];	/* multicast/group key cipher */
682 	uint16_t	wpa_uciphercnt;	/* # pairwise key ciphers */
683 	uint32_t	wpa_uciphers[8];/* ciphers */
684 	uint16_t	wpa_authselcnt;	/* authentication selector cnt*/
685 	uint32_t	wpa_authsels[8];/* selectors */
686 	uint16_t	wpa_caps;	/* 802.11i capabilities */
687 	uint16_t	wpa_pmkidcnt;	/* 802.11i pmkid count */
688 	uint16_t	wpa_pmkids[8];	/* 802.11i pmkids */
689 } __packed;
690 
691 /*
692  * 802.11n HT Capability IE
693  * NB: these reflect D1.10
694  */
695 struct ieee80211_ie_htcap {
696 	uint8_t		hc_id;			/* element ID */
697 	uint8_t		hc_len;			/* length in bytes */
698 	uint16_t	hc_cap;			/* HT caps (see below) */
699 	uint8_t		hc_param;		/* HT params (see below) */
700 	uint8_t 	hc_mcsset[16]; 		/* supported MCS set */
701 	uint16_t	hc_extcap;		/* extended HT capabilities */
702 	uint32_t	hc_txbf;		/* txbf capabilities */
703 	uint8_t		hc_antenna;		/* antenna capabilities */
704 } __packed;
705 
706 /* HT capability flags (ht_cap) */
707 #define	IEEE80211_HTCAP_LDPC		0x0001	/* LDPC rx supported */
708 #define	IEEE80211_HTCAP_CHWIDTH40	0x0002	/* 20/40 supported */
709 #define	IEEE80211_HTCAP_SMPS		0x000c	/* SM Power Save mode */
710 #define	IEEE80211_HTCAP_SMPS_OFF	0x000c	/* disabled */
711 #define	IEEE80211_HTCAP_SMPS_DYNAMIC	0x0004	/* send RTS first */
712 /* NB: SMPS value 2 is reserved */
713 #define	IEEE80211_HTCAP_SMPS_ENA	0x0000	/* enabled (static mode) */
714 #define	IEEE80211_HTCAP_GREENFIELD	0x0010	/* Greenfield supported */
715 #define	IEEE80211_HTCAP_SHORTGI20	0x0020	/* Short GI in 20MHz */
716 #define	IEEE80211_HTCAP_SHORTGI40	0x0040	/* Short GI in 40MHz */
717 #define	IEEE80211_HTCAP_TXSTBC		0x0080	/* STBC tx ok */
718 #define	IEEE80211_HTCAP_RXSTBC		0x0300  /* STBC rx support */
719 #define	IEEE80211_HTCAP_RXSTBC_S	8
720 #define	IEEE80211_HTCAP_RXSTBC_1STREAM	0x0100  /* 1 spatial stream */
721 #define	IEEE80211_HTCAP_RXSTBC_2STREAM	0x0200  /* 1-2 spatial streams*/
722 #define	IEEE80211_HTCAP_RXSTBC_3STREAM	0x0300  /* 1-3 spatial streams*/
723 #define	IEEE80211_HTCAP_DELBA		0x0400	/* HT DELBA supported */
724 #define	IEEE80211_HTCAP_MAXAMSDU	0x0800	/* max A-MSDU length */
725 #define	IEEE80211_HTCAP_MAXAMSDU_7935	0x0800	/* 7935 octets */
726 #define	IEEE80211_HTCAP_MAXAMSDU_3839	0x0000	/* 3839 octets */
727 #define	IEEE80211_HTCAP_DSSSCCK40	0x1000  /* DSSS/CCK in 40MHz */
728 #define	IEEE80211_HTCAP_PSMP		0x2000  /* PSMP supported */
729 #define	IEEE80211_HTCAP_40INTOLERANT	0x4000  /* 40MHz intolerant */
730 #define	IEEE80211_HTCAP_LSIGTXOPPROT	0x8000  /* L-SIG TXOP prot */
731 
732 #define	IEEE80211_HTCAP_BITS \
733 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
734 	"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
735 	"\20LSIGTXOPPROT"
736 
737 /* HT parameters (hc_param) */
738 #define	IEEE80211_HTCAP_MAXRXAMPDU	0x03	/* max rx A-MPDU factor */
739 #define	IEEE80211_HTCAP_MAXRXAMPDU_S	0
740 #define	IEEE80211_HTCAP_MAXRXAMPDU_8K	0
741 #define	IEEE80211_HTCAP_MAXRXAMPDU_16K	1
742 #define	IEEE80211_HTCAP_MAXRXAMPDU_32K	2
743 #define	IEEE80211_HTCAP_MAXRXAMPDU_64K	3
744 #define	IEEE80211_HTCAP_MPDUDENSITY	0x1c	/* min MPDU start spacing */
745 #define	IEEE80211_HTCAP_MPDUDENSITY_S	2
746 #define	IEEE80211_HTCAP_MPDUDENSITY_NA	0	/* no time restriction */
747 #define	IEEE80211_HTCAP_MPDUDENSITY_025	1	/* 1/4 us */
748 #define	IEEE80211_HTCAP_MPDUDENSITY_05	2	/* 1/2 us */
749 #define	IEEE80211_HTCAP_MPDUDENSITY_1	3	/* 1 us */
750 #define	IEEE80211_HTCAP_MPDUDENSITY_2	4	/* 2 us */
751 #define	IEEE80211_HTCAP_MPDUDENSITY_4	5	/* 4 us */
752 #define	IEEE80211_HTCAP_MPDUDENSITY_8	6	/* 8 us */
753 #define	IEEE80211_HTCAP_MPDUDENSITY_16	7	/* 16 us */
754 
755 /* HT extended capabilities (hc_extcap) */
756 #define	IEEE80211_HTCAP_PCO		0x0001	/* PCO capable */
757 #define	IEEE80211_HTCAP_PCOTRANS	0x0006	/* PCO transition time */
758 #define	IEEE80211_HTCAP_PCOTRANS_S	1
759 #define	IEEE80211_HTCAP_PCOTRANS_04	0x0002	/* 400 us */
760 #define	IEEE80211_HTCAP_PCOTRANS_15	0x0004	/* 1.5 ms */
761 #define	IEEE80211_HTCAP_PCOTRANS_5	0x0006	/* 5 ms */
762 /* bits 3-7 reserved */
763 #define	IEEE80211_HTCAP_MCSFBACK	0x0300	/* MCS feedback */
764 #define	IEEE80211_HTCAP_MCSFBACK_S	8
765 #define	IEEE80211_HTCAP_MCSFBACK_NONE	0x0000	/* nothing provided */
766 #define	IEEE80211_HTCAP_MCSFBACK_UNSOL	0x0200	/* unsolicited feedback */
767 #define	IEEE80211_HTCAP_MCSFBACK_MRQ	0x0300	/* " "+respond to MRQ */
768 #define	IEEE80211_HTCAP_HTC		0x0400	/* +HTC support */
769 #define	IEEE80211_HTCAP_RDR		0x0800	/* reverse direction responder*/
770 /* bits 12-15 reserved */
771 
772 /*
773  * 802.11n HT Information IE
774  */
775 struct ieee80211_ie_htinfo {
776 	uint8_t		hi_id;			/* element ID */
777 	uint8_t		hi_len;			/* length in bytes */
778 	uint8_t		hi_ctrlchannel;		/* primary channel */
779 	uint8_t		hi_byte1;		/* ht ie byte 1 */
780 	uint8_t		hi_byte2;		/* ht ie byte 2 */
781 	uint8_t		hi_byte3;		/* ht ie byte 3 */
782 	uint16_t	hi_byte45;		/* ht ie bytes 4+5 */
783 	uint8_t 	hi_basicmcsset[16]; 	/* basic MCS set */
784 } __packed;
785 
786 /* byte1 */
787 #define	IEEE80211_HTINFO_2NDCHAN	0x03	/* secondary/ext chan offset */
788 #define	IEEE80211_HTINFO_2NDCHAN_S	0
789 #define	IEEE80211_HTINFO_2NDCHAN_NONE	0x00	/* no secondary/ext channel */
790 #define	IEEE80211_HTINFO_2NDCHAN_ABOVE	0x01	/* above private channel */
791 /* NB: 2 is reserved */
792 #define	IEEE80211_HTINFO_2NDCHAN_BELOW	0x03	/* below primary channel */
793 #define	IEEE80211_HTINFO_TXWIDTH	0x04	/* tx channel width */
794 #define	IEEE80211_HTINFO_TXWIDTH_20	0x00	/* 20MHz width */
795 #define	IEEE80211_HTINFO_TXWIDTH_2040	0x04	/* any supported width */
796 #define	IEEE80211_HTINFO_RIFSMODE	0x08	/* Reduced IFS (RIFS) use */
797 #define	IEEE80211_HTINFO_RIFSMODE_PROH	0x00	/* RIFS use prohibited */
798 #define	IEEE80211_HTINFO_RIFSMODE_PERM	0x08	/* RIFS use permitted */
799 #define	IEEE80211_HTINFO_PMSPONLY	0x10	/* PSMP required to associate */
800 #define	IEEE80211_HTINFO_SIGRAN		0xe0	/* shortest Service Interval */
801 #define	IEEE80211_HTINFO_SIGRAN_S	5
802 #define	IEEE80211_HTINFO_SIGRAN_5	0x00	/* 5 ms */
803 /* XXX add rest */
804 
805 /* bytes 2+3 */
806 #define	IEEE80211_HTINFO_OPMODE		0x03	/* operating mode */
807 #define	IEEE80211_HTINFO_OPMODE_S	0
808 #define	IEEE80211_HTINFO_OPMODE_PURE	0x00	/* no protection */
809 #define	IEEE80211_HTINFO_OPMODE_PROTOPT	0x01	/* protection optional */
810 #define	IEEE80211_HTINFO_OPMODE_HT20PR	0x02	/* protection for HT20 sta's */
811 #define	IEEE80211_HTINFO_OPMODE_MIXED	0x03	/* protection for legacy sta's*/
812 #define	IEEE80211_HTINFO_NONGF_PRESENT	0x04	/* non-GF sta's present */
813 #define	IEEE80211_HTINFO_TXBL		0x08	/* transmit burst limit */
814 #define	IEEE80211_HTINFO_NONHT_PRESENT	0x10	/* non-HT sta's present */
815 /* bits 5-15 reserved */
816 
817 /* bytes 4+5 */
818 #define	IEEE80211_HTINFO_2NDARYBEACON	0x01
819 #define	IEEE80211_HTINFO_LSIGTXOPPROT	0x02
820 #define	IEEE80211_HTINFO_PCO_ACTIVE	0x04
821 #define	IEEE80211_HTINFO_40MHZPHASE	0x08
822 
823 /* byte5 */
824 #define	IEEE80211_HTINFO_BASIC_STBCMCS	0x7f
825 #define	IEEE80211_HTINFO_BASIC_STBCMCS_S 0
826 #define	IEEE80211_HTINFO_DUALPROTECTED	0x80
827 
828 /*
829  * 802.11ac definitions - 802.11ac-2013 .
830  */
831 
832 /*
833  * Maximum length of A-MPDU that the STA can RX in VHT.
834  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
835  */
836 #define	IEEE80211_VHTCAP_MAX_AMPDU_8K		0
837 #define	IEEE80211_VHTCAP_MAX_AMPDU_16K		1
838 #define	IEEE80211_VHTCAP_MAX_AMPDU_32K		2
839 #define	IEEE80211_VHTCAP_MAX_AMPDU_64K		3
840 #define	IEEE80211_VHTCAP_MAX_AMPDU_128K		4
841 #define	IEEE80211_VHTCAP_MAX_AMPDU_256K		5
842 #define	IEEE80211_VHTCAP_MAX_AMPDU_512K		6
843 #define	IEEE80211_VHTCAP_MAX_AMPDU_1024K	7
844 
845 /*
846  * VHT MCS information.
847  * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU
848  *    data rate.  1Mbit/sec units.
849  * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS;
850  *    2 bits each.
851  */
852 
853 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */
854 enum ieee80211_vht_mcs_support {
855 	IEEE80211_VHT_MCS_SUPPORT_0_7		= 0,	/* MCS0-7 */
856 	IEEE80211_VHT_MCS_SUPPORT_0_8		= 1,	/* MCS0-8 */
857 	IEEE80211_VHT_MCS_SUPPORT_0_9		= 2,	/* MCS0-9 */
858 	IEEE80211_VHT_MCS_NOT_SUPPORTED		= 3	/* not supported */
859 };
860 
861 struct ieee80211_vht_mcs_info {
862 	uint16_t rx_mcs_map;
863 	uint16_t rx_highest;
864 	uint16_t tx_mcs_map;
865 	uint16_t tx_highest;
866 } __packed;
867 
868 /* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */
869 struct ieee80211_vht_cap {
870 	uint32_t			vht_cap_info;
871 	struct ieee80211_vht_mcs_info	supp_mcs;
872 } __packed;
873 
874 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */
875 struct ieee80211_ie_vhtcap {
876 	uint8_t ie;
877 	uint8_t len;
878 	uint32_t vht_cap_info;
879 	struct ieee80211_vht_mcs_info supp_mcs;
880 } __packed;
881 
882 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */
883 #define	IEEE80211_VHT_CHANWIDTH_USE_HT		0	/* Use HT IE for chw */
884 #define	IEEE80211_VHT_CHANWIDTH_80MHZ		1	/* 80MHz */
885 #define	IEEE80211_VHT_CHANWIDTH_160MHZ		2	/* 160MHz */
886 #define	IEEE80211_VHT_CHANWIDTH_80P80MHZ	3	/* 80+80MHz */
887 
888 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */
889 struct ieee80211_ie_vht_operation {
890 	uint8_t ie;
891 	uint8_t len;
892 	uint8_t chan_width;
893 	uint8_t center_freq_seg1_idx;
894 	uint8_t center_freq_seg2_idx;
895 	uint16_t basic_mcs_set;
896 } __packed;
897 
898 /* 802.11ac VHT Capabilities */
899 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895	0x00000000
900 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991	0x00000001
901 #define	IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454	0x00000002
902 #define	IEEE80211_VHTCAP_MAX_MPDU_MASK		0x00000003
903 #define	IEEE80211_VHTCAP_MAX_MPDU_MASK_S	0
904 
905 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK	0x0000000C
906 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S	2
907 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE		0
908 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ		1
909 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ	2
910 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED	3
911 
912 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps)		\
913     (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \
914             IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ)
915 #define	IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps)	\
916     (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \
917             IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ)
918 
919 #define	IEEE80211_VHTCAP_RXLDPC		0x00000010
920 #define	IEEE80211_VHTCAP_RXLDPC_S	4
921 
922 #define	IEEE80211_VHTCAP_SHORT_GI_80		0x00000020
923 #define	IEEE80211_VHTCAP_SHORT_GI_80_S		5
924 
925 #define	IEEE80211_VHTCAP_SHORT_GI_160		0x00000040
926 #define	IEEE80211_VHTCAP_SHORT_GI_160_S		6
927 
928 #define	IEEE80211_VHTCAP_TXSTBC		0x00000080
929 #define	IEEE80211_VHTCAP_TXSTBC_S	7
930 
931 #define	IEEE80211_VHTCAP_RXSTBC_1		0x00000100
932 #define	IEEE80211_VHTCAP_RXSTBC_2		0x00000200
933 #define	IEEE80211_VHTCAP_RXSTBC_3		0x00000300
934 #define	IEEE80211_VHTCAP_RXSTBC_4		0x00000400
935 #define	IEEE80211_VHTCAP_RXSTBC_MASK		0x00000700
936 #define	IEEE80211_VHTCAP_RXSTBC_MASK_S		8
937 
938 #define	IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE	0x00000800
939 #define	IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S	11
940 
941 #define	IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE	0x00001000
942 #define	IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S	12
943 
944 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT	13
945 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \
946 	    (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT)
947 #define	IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S	13
948 
949 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT	16
950 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \
951 	    (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT)
952 #define	IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S	16
953 
954 #define	IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE	0x00080000
955 #define	IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S	19
956 #define	IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE	0x00100000
957 #define	IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S	20
958 #define	IEEE80211_VHTCAP_VHT_TXOP_PS		0x00200000
959 #define	IEEE80211_VHTCAP_VHT_TXOP_PS_S		21
960 #define	IEEE80211_VHTCAP_HTC_VHT		0x00400000
961 #define	IEEE80211_VHTCAP_HTC_VHT_S		22
962 
963 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
964 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
965 	    (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
966 #define	IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S	23
967 
968 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK	0x0c000000
969 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
970 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
971 #define	IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S	26
972 
973 #define	IEEE80211_VHTCAP_RX_ANTENNA_PATTERN	0x10000000
974 #define	IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S	28
975 #define	IEEE80211_VHTCAP_TX_ANTENNA_PATTERN	0x20000000
976 #define	IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S	29
977 
978 /*
979  * XXX TODO: add the rest of the bits
980  */
981 #define	IEEE80211_VHTCAP_BITS \
982 	"\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \
983 	"\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \
984 	"\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN"
985 
986 /*
987  * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164
988  *
989  * This defines the maximum transmit power for various bandwidths.
990  */
991 /*
992  * Count is how many elements follow and what they're for:
993  *
994  * 0 - 20 MHz
995  * 1 - 20+40 MHz
996  * 2 - 20+40+80 MHz
997  * 3 - 20+40+80+(160, 80+80) MHz
998  */
999 #define	IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT	0
1000 #define	IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK	0x07
1001 
1002 /*
1003  * Unit is the tx power representation.  It should be EIRP for now;
1004  * other values are reserved.
1005  */
1006 #define	IEEE80211_VHT_TXPWRENV_UNIT_MASK	0x38
1007 #define	IEEE80211_VHT_TXPWRENV_UNIT_SHIFT	3
1008 
1009 /* This value is within the unit mask/shift above */
1010 #define	IEEE80211_VHT_TXPWRENV_UNIT_EIRP	0
1011 
1012 struct ieee80211_ie_vht_txpwrenv {
1013 	uint8_t ie;
1014 	uint8_t len;
1015 	uint8_t tx_info;
1016 	int8_t tx_elem[0];	/* TX power elements, 1/2 dB, signed */
1017 };
1018 
1019 /* VHT action codes */
1020 #define	WLAN_ACTION_VHT_COMPRESSED_BF		0
1021 #define	WLAN_ACTION_VHT_GROUPID_MGMT		1
1022 #define	WLAN_ACTION_VHT_OPMODE_NOTIF		2
1023 
1024 /*
1025  * Management information element payloads.
1026  */
1027 
1028 enum {
1029 	IEEE80211_ELEMID_SSID		= 0,
1030 	IEEE80211_ELEMID_RATES		= 1,
1031 	IEEE80211_ELEMID_FHPARMS	= 2,
1032 	IEEE80211_ELEMID_DSPARMS	= 3,
1033 	IEEE80211_ELEMID_CFPARMS	= 4,
1034 	IEEE80211_ELEMID_TIM		= 5,
1035 	IEEE80211_ELEMID_IBSSPARMS	= 6,
1036 	IEEE80211_ELEMID_COUNTRY	= 7,
1037 	IEEE80211_ELEMID_BSSLOAD	= 11,
1038 	IEEE80211_ELEMID_TSPEC		= 13,
1039 	IEEE80211_ELEMID_TCLAS		= 14,
1040 	IEEE80211_ELEMID_CHALLENGE	= 16,
1041 	/* 17-31 reserved for challenge text extension */
1042 	IEEE80211_ELEMID_PWRCNSTR	= 32,
1043 	IEEE80211_ELEMID_PWRCAP		= 33,
1044 	IEEE80211_ELEMID_TPCREQ		= 34,
1045 	IEEE80211_ELEMID_TPCREP		= 35,
1046 	IEEE80211_ELEMID_SUPPCHAN	= 36,
1047 	IEEE80211_ELEMID_CSA		= 37,
1048 	IEEE80211_ELEMID_MEASREQ	= 38,
1049 	IEEE80211_ELEMID_MEASREP	= 39,
1050 	IEEE80211_ELEMID_QUIET		= 40,
1051 	IEEE80211_ELEMID_IBSSDFS	= 41,
1052 	IEEE80211_ELEMID_ERP		= 42,
1053 	IEEE80211_ELEMID_HTCAP		= 45,
1054 	IEEE80211_ELEMID_QOS		= 46,
1055 	IEEE80211_ELEMID_RESERVED_47	= 47,
1056 	IEEE80211_ELEMID_RSN		= 48,
1057 	IEEE80211_ELEMID_XRATES		= 50,
1058 	IEEE80211_ELEMID_APCHANREP	= 51,
1059 	IEEE80211_ELEMID_MOBILITY_DOMAIN	= 54,
1060 	IEEE80211_ELEMID_HTINFO		= 61,
1061 	IEEE80211_ELEMID_SECCHAN_OFFSET	= 62,
1062 	IEEE80211_ELEMID_RRM_ENACAPS	= 70,
1063 	IEEE80211_ELEMID_MULTIBSSID	= 71,
1064 	IEEE80211_ELEMID_COEX_2040	= 72,
1065 	IEEE80211_ELEMID_INTOL_CHN_REPORT	= 73,
1066 	IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74,
1067 	IEEE80211_ELEMID_TSF_REQ	= 91,
1068 	IEEE80211_ELEMID_TSF_RESP	= 92,
1069 	IEEE80211_ELEMID_WNM_SLEEP_MODE	= 93,
1070 	IEEE80211_ELEMID_TIM_BCAST_REQ	= 94,
1071 	IEEE80211_ELEMID_TIM_BCAST_RESP	= 95,
1072 	IEEE80211_ELEMID_TPC		= 150,
1073 	IEEE80211_ELEMID_CCKM		= 156,
1074 	IEEE80211_ELEMID_VENDOR		= 221,	/* vendor private */
1075 
1076 	/*
1077 	 * 802.11s IEs
1078 	 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55,
1079 	 * but they defined a new with id 117 called PEER_MGMT.
1080 	 * NB: complies with open80211
1081 	 */
1082 	IEEE80211_ELEMID_MESHCONF	= 113,
1083 	IEEE80211_ELEMID_MESHID		= 114,
1084 	IEEE80211_ELEMID_MESHLINK	= 115,
1085 	IEEE80211_ELEMID_MESHCNGST	= 116,
1086 	IEEE80211_ELEMID_MESHPEER	= 117,
1087 	IEEE80211_ELEMID_MESHCSA	= 118,
1088 	IEEE80211_ELEMID_MESHTIM	= 39, /* XXX: remove */
1089 	IEEE80211_ELEMID_MESHAWAKEW	= 119,
1090 	IEEE80211_ELEMID_MESHBEACONT	= 120,
1091 	/* 121-124 MMCAOP not implemented yet */
1092 	IEEE80211_ELEMID_MESHGANN	= 125,
1093 	IEEE80211_ELEMID_MESHRANN	= 126,
1094 	/* 127 Extended Capabilities */
1095 	IEEE80211_ELEMID_EXTCAP		= 127,
1096 	/* 128-129 reserved */
1097 	IEEE80211_ELEMID_MESHPREQ	= 130,
1098 	IEEE80211_ELEMID_MESHPREP	= 131,
1099 	IEEE80211_ELEMID_MESHPERR	= 132,
1100 	/* 133-136 reserved */
1101 	IEEE80211_ELEMID_MESHPXU	= 137,
1102 	IEEE80211_ELEMID_MESHPXUC	= 138,
1103 	IEEE80211_ELEMID_MESHAH		= 60, /* XXX: remove */
1104 
1105 	/* 802.11ac-2013, Table 8-54-Element IDs */
1106 	IEEE80211_ELEMID_VHT_CAP	= 191,
1107 	IEEE80211_ELEMID_VHT_OPMODE	= 192,
1108 	IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193,
1109 	IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194,
1110 	IEEE80211_ELEMID_VHT_PWR_ENV	= 195,
1111 	IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196,
1112 	IEEE80211_ELEMID_AID		= 197,
1113 	IEEE80211_ELEMID_QUIET_CHANNEL	= 198,
1114 	IEEE80211_ELEMID_OPMODE_NOTIF	= 199,
1115 };
1116 
1117 struct ieee80211_tim_ie {
1118 	uint8_t		tim_ie;			/* IEEE80211_ELEMID_TIM */
1119 	uint8_t		tim_len;
1120 	uint8_t		tim_count;		/* DTIM count */
1121 	uint8_t		tim_period;		/* DTIM period */
1122 	uint8_t		tim_bitctl;		/* bitmap control */
1123 	uint8_t		tim_bitmap[1];		/* variable-length bitmap */
1124 } __packed;
1125 
1126 struct ieee80211_country_ie {
1127 	uint8_t		ie;			/* IEEE80211_ELEMID_COUNTRY */
1128 	uint8_t		len;
1129 	uint8_t		cc[3];			/* ISO CC+(I)ndoor/(O)utdoor */
1130 	struct {
1131 		uint8_t schan;			/* starting channel */
1132 		uint8_t nchan;			/* number channels */
1133 		uint8_t maxtxpwr;		/* tx power cap */
1134 	} __packed band[1];			/* sub bands (NB: var size) */
1135 } __packed;
1136 
1137 #define	IEEE80211_COUNTRY_MAX_BANDS	84	/* max possible bands */
1138 #define	IEEE80211_COUNTRY_MAX_SIZE \
1139 	(sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1))
1140 
1141 struct ieee80211_bss_load_ie {
1142 	uint8_t		ie;
1143 	uint8_t		len;
1144 	uint16_t	sta_count;	/* station count */
1145 	uint8_t		chan_load;	/* channel utilization */
1146 	uint8_t		aac;		/* available admission capacity */
1147 } __packed;
1148 
1149 struct ieee80211_ap_chan_report_ie {
1150 	uint8_t		ie;
1151 	uint8_t		len;
1152 	uint8_t		i_class; /* operating class */
1153 	/* Annex E, E.1 Country information and operating classes */
1154 	uint8_t		chan_list[0];
1155 } __packed;
1156 
1157 #define IEEE80211_EXTCAP_CMS			(1ULL <<  0) /* 20/40 BSS coexistence management support */
1158 #define IEEE80211_EXTCAP_RSVD_1			(1ULL <<  1)
1159 #define IEEE80211_EXTCAP_ECS			(1ULL <<  2) /* extended channel switching */
1160 #define IEEE80211_EXTCAP_RSVD_3			(1ULL <<  3)
1161 #define IEEE80211_EXTCAP_PSMP_CAP		(1ULL <<  4) /* PSMP capability */
1162 #define IEEE80211_EXTCAP_RSVD_5			(1ULL <<  5)
1163 #define IEEE80211_EXTCAP_S_PSMP_SUPP		(1ULL <<  6)
1164 #define IEEE80211_EXTCAP_EVENT			(1ULL <<  7)
1165 #define IEEE80211_EXTCAP_DIAGNOSTICS		(1ULL <<  8)
1166 #define IEEE80211_EXTCAP_MCAST_DIAG		(1ULL <<  9)
1167 #define IEEE80211_EXTCAP_LOC_TRACKING		(1ULL << 10)
1168 #define IEEE80211_EXTCAP_FMS			(1ULL << 11)
1169 #define IEEE80211_EXTCAP_PROXY_ARP		(1ULL << 12)
1170 #define IEEE80211_EXTCAP_CIR			(1ULL << 13) /* collocated interference reporting */
1171 #define IEEE80211_EXTCAP_CIVIC_LOC		(1ULL << 14)
1172 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC		(1ULL << 15)
1173 #define IEEE80211_EXTCAP_TFS			(1ULL << 16)
1174 #define IEEE80211_EXTCAP_WNM_SLEEPMODE		(1ULL << 17)
1175 #define IEEE80211_EXTCAP_TIM_BROADCAST		(1ULL << 18)
1176 #define IEEE80211_EXTCAP_BSS_TRANSITION		(1ULL << 19)
1177 #define IEEE80211_EXTCAP_QOS_TRAF_CAP		(1ULL << 20)
1178 #define IEEE80211_EXTCAP_AC_STA_COUNT		(1ULL << 21)
1179 #define IEEE80211_EXTCAP_M_BSSID		(1ULL << 22) /* multiple BSSID field */
1180 #define IEEE80211_EXTCAP_TIMING_MEAS		(1ULL << 23)
1181 #define IEEE80211_EXTCAP_CHAN_USAGE		(1ULL << 24)
1182 #define IEEE80211_EXTCAP_SSID_LIST		(1ULL << 25)
1183 #define IEEE80211_EXTCAP_DMS			(1ULL << 26)
1184 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET		(1ULL << 27)
1185 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP	(1ULL << 28) /* TDLS peer U-APSP buffer STA support */
1186 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP		(1ULL << 29) /* TDLS peer PSM support */
1187 #define IEEE80211_EXTCAP_TLDS_CH_SW		(1ULL << 30) /* TDLS channel switching */
1188 #define IEEE80211_EXTCAP_INTERWORKING		(1ULL << 31)
1189 #define IEEE80211_EXTCAP_QOSMAP			(1ULL << 32)
1190 #define IEEE80211_EXTCAP_EBR			(1ULL << 33)
1191 #define IEEE80211_EXTCAP_SSPN_IF		(1ULL << 34)
1192 #define IEEE80211_EXTCAP_RSVD_35		(1ULL << 35)
1193 #define IEEE80211_EXTCAP_MSGCF_CAP		(1ULL << 36)
1194 #define IEEE80211_EXTCAP_TLDS_SUPP		(1ULL << 37)
1195 #define IEEE80211_EXTCAP_TLDS_PROHIB		(1ULL << 38)
1196 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB	(1ULL << 39) /* TDLS channel switching prohibited */
1197 #define IEEE80211_EXTCAP_RUF			(1ULL << 40) /* reject unadmitted frame */
1198 /* service interval granularity */
1199 #define IEEE80211_EXTCAP_SIG \
1200 				((1ULL << 41) | (1ULL << 42) | (1ULL << 43))
1201 #define IEEE80211_EXTCAP_ID_LOC			(1ULL << 44)
1202 #define IEEE80211_EXTCAP_U_APSD_COEX		(1ULL << 45)
1203 #define IEEE80211_EXTCAP_WNM_NOTIFICATION	(1ULL << 46)
1204 #define IEEE80211_EXTCAP_RSVD_47		(1ULL << 47)
1205 #define IEEE80211_EXTCAP_SSID			(1ULL << 48) /* UTF-8 SSID */
1206 /* bits 49-n are reserved */
1207 
1208 struct ieee80211_extcap_ie {
1209 	uint8_t		ie;
1210 	uint8_t		len;
1211 } __packed;
1212 
1213 /*
1214  * 802.11h Quiet Time Element.
1215  */
1216 struct ieee80211_quiet_ie {
1217 	uint8_t		quiet_ie;		/* IEEE80211_ELEMID_QUIET */
1218 	uint8_t		len;
1219 	uint8_t		tbttcount;		/* quiet start */
1220 	uint8_t		period;			/* beacon intervals between quiets */
1221 	uint16_t	duration;		/* TUs of each quiet*/
1222 	uint16_t	offset;			/* TUs of from TBTT of quiet start */
1223 } __packed;
1224 
1225 /*
1226  * 802.11h Channel Switch Announcement (CSA).
1227  */
1228 struct ieee80211_csa_ie {
1229 	uint8_t		csa_ie;		/* IEEE80211_ELEMID_CHANSWITCHANN */
1230 	uint8_t		csa_len;
1231 	uint8_t		csa_mode;		/* Channel Switch Mode */
1232 	uint8_t		csa_newchan;		/* New Channel Number */
1233 	uint8_t		csa_count;		/* Channel Switch Count */
1234 } __packed;
1235 
1236 /*
1237  * Note the min acceptable CSA count is used to guard against
1238  * malicious CSA injection in station mode.  Defining this value
1239  * as other than 0 violates the 11h spec.
1240  */
1241 #define	IEEE80211_CSA_COUNT_MIN	2
1242 #define	IEEE80211_CSA_COUNT_MAX	255
1243 
1244 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */
1245 #define	IEEE80211_RATE_BASIC		0x80
1246 #define	IEEE80211_RATE_VAL		0x7f
1247 #define	IEEE80211_RV(v)			((v) & IEEE80211_RATE_VAL)
1248 
1249 /* ERP information element flags */
1250 #define	IEEE80211_ERP_NON_ERP_PRESENT	0x01
1251 #define	IEEE80211_ERP_USE_PROTECTION	0x02
1252 #define	IEEE80211_ERP_LONG_PREAMBLE	0x04
1253 
1254 #define	IEEE80211_ERP_BITS \
1255 	"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
1256 
1257 #define	ATH_OUI			0x7f0300	/* Atheros OUI */
1258 #define	ATH_OUI_TYPE		0x01		/* Atheros protocol ie */
1259 
1260 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */
1261 #define	TDMA_OUI		ATH_OUI
1262 #define	TDMA_OUI_TYPE		0x02		/* TDMA protocol ie */
1263 
1264 #define	BCM_OUI			0x4c9000	/* Broadcom OUI */
1265 #define	BCM_OUI_HTCAP		51		/* pre-draft HTCAP ie */
1266 #define	BCM_OUI_HTINFO		52		/* pre-draft HTINFO ie */
1267 
1268 #define	WPA_OUI			0xf25000
1269 #define	WPA_OUI_TYPE		0x01
1270 #define	WPA_VERSION		1		/* current supported version */
1271 
1272 #define	WPA_CSE_NULL		0x00
1273 #define	WPA_CSE_WEP40		0x01
1274 #define	WPA_CSE_TKIP		0x02
1275 #define	WPA_CSE_CCMP		0x04
1276 #define	WPA_CSE_WEP104		0x05
1277 
1278 #define	WPA_ASE_NONE		0x00
1279 #define	WPA_ASE_8021X_UNSPEC	0x01
1280 #define	WPA_ASE_8021X_PSK	0x02
1281 
1282 #define	WPS_OUI_TYPE		0x04
1283 
1284 #define	RSN_OUI			0xac0f00
1285 #define	RSN_VERSION		1		/* current supported version */
1286 
1287 #define	RSN_CSE_NULL		0x00
1288 #define	RSN_CSE_WEP40		0x01
1289 #define	RSN_CSE_TKIP		0x02
1290 #define	RSN_CSE_WRAP		0x03
1291 #define	RSN_CSE_CCMP		0x04
1292 #define	RSN_CSE_WEP104		0x05
1293 
1294 #define	RSN_ASE_NONE		0x00
1295 #define	RSN_ASE_8021X_UNSPEC	0x01
1296 #define	RSN_ASE_8021X_PSK	0x02
1297 
1298 #define	RSN_CAP_PREAUTH		0x01
1299 
1300 #define	WME_OUI			0xf25000
1301 #define	WME_OUI_TYPE		0x02
1302 #define	WME_INFO_OUI_SUBTYPE	0x00
1303 #define	WME_PARAM_OUI_SUBTYPE	0x01
1304 #define	WME_VERSION		1
1305 
1306 /* WME stream classes */
1307 #define	WME_AC_BE	0		/* best effort */
1308 #define	WME_AC_BK	1		/* background */
1309 #define	WME_AC_VI	2		/* video */
1310 #define	WME_AC_VO	3		/* voice */
1311 
1312 /*
1313  * AUTH management packets
1314  *
1315  *	octet algo[2]
1316  *	octet seq[2]
1317  *	octet status[2]
1318  *	octet chal.id
1319  *	octet chal.length
1320  *	octet chal.text[253]		NB: 1-253 bytes
1321  */
1322 
1323 /* challenge length for shared key auth */
1324 #define IEEE80211_CHALLENGE_LEN		128
1325 
1326 #define	IEEE80211_AUTH_ALG_OPEN		0x0000
1327 #define	IEEE80211_AUTH_ALG_SHARED	0x0001
1328 #define	IEEE80211_AUTH_ALG_LEAP		0x0080
1329 
1330 enum {
1331 	IEEE80211_AUTH_OPEN_REQUEST		= 1,
1332 	IEEE80211_AUTH_OPEN_RESPONSE		= 2,
1333 };
1334 
1335 enum {
1336 	IEEE80211_AUTH_SHARED_REQUEST		= 1,
1337 	IEEE80211_AUTH_SHARED_CHALLENGE		= 2,
1338 	IEEE80211_AUTH_SHARED_RESPONSE		= 3,
1339 	IEEE80211_AUTH_SHARED_PASS		= 4,
1340 };
1341 
1342 /*
1343  * Reason and status codes.
1344  *
1345  * Reason codes are used in management frames to indicate why an
1346  * action took place (e.g. on disassociation).  Status codes are
1347  * used in management frames to indicate the result of an operation.
1348  *
1349  * Unlisted codes are reserved
1350  */
1351 
1352 enum {
1353 	IEEE80211_REASON_UNSPECIFIED		= 1,
1354 	IEEE80211_REASON_AUTH_EXPIRE		= 2,
1355 	IEEE80211_REASON_AUTH_LEAVE		= 3,
1356 	IEEE80211_REASON_ASSOC_EXPIRE		= 4,
1357 	IEEE80211_REASON_ASSOC_TOOMANY		= 5,
1358 	IEEE80211_REASON_NOT_AUTHED		= 6,
1359 	IEEE80211_REASON_NOT_ASSOCED		= 7,
1360 	IEEE80211_REASON_ASSOC_LEAVE		= 8,
1361 	IEEE80211_REASON_ASSOC_NOT_AUTHED	= 9,
1362 	IEEE80211_REASON_DISASSOC_PWRCAP_BAD	= 10,	/* 11h */
1363 	IEEE80211_REASON_DISASSOC_SUPCHAN_BAD	= 11,	/* 11h */
1364 	IEEE80211_REASON_IE_INVALID		= 13,	/* 11i */
1365 	IEEE80211_REASON_MIC_FAILURE		= 14,	/* 11i */
1366 	IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT	= 15,	/* 11i */
1367 	IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16,	/* 11i */
1368 	IEEE80211_REASON_IE_IN_4WAY_DIFFERS	= 17,	/* 11i */
1369 	IEEE80211_REASON_GROUP_CIPHER_INVALID	= 18,	/* 11i */
1370 	IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19,	/* 11i */
1371 	IEEE80211_REASON_AKMP_INVALID		= 20,	/* 11i */
1372 	IEEE80211_REASON_UNSUPP_RSN_IE_VERSION	= 21,	/* 11i */
1373 	IEEE80211_REASON_INVALID_RSN_IE_CAP	= 22,	/* 11i */
1374 	IEEE80211_REASON_802_1X_AUTH_FAILED	= 23,	/* 11i */
1375 	IEEE80211_REASON_CIPHER_SUITE_REJECTED	= 24,	/* 11i */
1376 	IEEE80211_REASON_UNSPECIFIED_QOS	= 32,	/* 11e */
1377 	IEEE80211_REASON_INSUFFICIENT_BW	= 33,	/* 11e */
1378 	IEEE80211_REASON_TOOMANY_FRAMES		= 34,	/* 11e */
1379 	IEEE80211_REASON_OUTSIDE_TXOP		= 35,	/* 11e */
1380 	IEEE80211_REASON_LEAVING_QBSS		= 36,	/* 11e */
1381 	IEEE80211_REASON_BAD_MECHANISM		= 37,	/* 11e */
1382 	IEEE80211_REASON_SETUP_NEEDED		= 38,	/* 11e */
1383 	IEEE80211_REASON_TIMEOUT		= 39,	/* 11e */
1384 
1385 	IEEE80211_REASON_PEER_LINK_CANCELED	= 52,	/* 11s */
1386 	IEEE80211_REASON_MESH_MAX_PEERS		= 53,	/* 11s */
1387 	IEEE80211_REASON_MESH_CPVIOLATION	= 54,	/* 11s */
1388 	IEEE80211_REASON_MESH_CLOSE_RCVD	= 55,	/* 11s */
1389 	IEEE80211_REASON_MESH_MAX_RETRIES	= 56,	/* 11s */
1390 	IEEE80211_REASON_MESH_CONFIRM_TIMEOUT	= 57,	/* 11s */
1391 	IEEE80211_REASON_MESH_INVALID_GTK	= 58,	/* 11s */
1392 	IEEE80211_REASON_MESH_INCONS_PARAMS	= 59,	/* 11s */
1393 	IEEE80211_REASON_MESH_INVALID_SECURITY	= 60,	/* 11s */
1394 	IEEE80211_REASON_MESH_PERR_NO_PROXY	= 61,	/* 11s */
1395 	IEEE80211_REASON_MESH_PERR_NO_FI	= 62,	/* 11s */
1396 	IEEE80211_REASON_MESH_PERR_DEST_UNREACH	= 63,	/* 11s */
1397 	IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */
1398 	IEEE80211_REASON_MESH_CHAN_SWITCH_REG	= 65,	/* 11s */
1399 	IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66,	/* 11s */
1400 
1401 	IEEE80211_STATUS_SUCCESS		= 0,
1402 	IEEE80211_STATUS_UNSPECIFIED		= 1,
1403 	IEEE80211_STATUS_CAPINFO		= 10,
1404 	IEEE80211_STATUS_NOT_ASSOCED		= 11,
1405 	IEEE80211_STATUS_OTHER			= 12,
1406 	IEEE80211_STATUS_ALG			= 13,
1407 	IEEE80211_STATUS_SEQUENCE		= 14,
1408 	IEEE80211_STATUS_CHALLENGE		= 15,
1409 	IEEE80211_STATUS_TIMEOUT		= 16,
1410 	IEEE80211_STATUS_TOOMANY		= 17,
1411 	IEEE80211_STATUS_BASIC_RATE		= 18,
1412 	IEEE80211_STATUS_SP_REQUIRED		= 19,	/* 11b */
1413 	IEEE80211_STATUS_PBCC_REQUIRED		= 20,	/* 11b */
1414 	IEEE80211_STATUS_CA_REQUIRED		= 21,	/* 11b */
1415 	IEEE80211_STATUS_SPECMGMT_REQUIRED	= 22,	/* 11h */
1416 	IEEE80211_STATUS_PWRCAP_REQUIRED	= 23,	/* 11h */
1417 	IEEE80211_STATUS_SUPCHAN_REQUIRED	= 24,	/* 11h */
1418 	IEEE80211_STATUS_SHORTSLOT_REQUIRED	= 25,	/* 11g */
1419 	IEEE80211_STATUS_DSSSOFDM_REQUIRED	= 26,	/* 11g */
1420 	IEEE80211_STATUS_MISSING_HT_CAPS	= 27,	/* 11n D3.0 */
1421 	IEEE80211_STATUS_INVALID_IE		= 40,	/* 11i */
1422 	IEEE80211_STATUS_GROUP_CIPHER_INVALID	= 41,	/* 11i */
1423 	IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42,	/* 11i */
1424 	IEEE80211_STATUS_AKMP_INVALID		= 43,	/* 11i */
1425 	IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION	= 44,	/* 11i */
1426 	IEEE80211_STATUS_INVALID_RSN_IE_CAP	= 45,	/* 11i */
1427 	IEEE80211_STATUS_CIPHER_SUITE_REJECTED	= 46,	/* 11i */
1428 };
1429 
1430 #define	IEEE80211_WEP_KEYLEN		5	/* 40bit */
1431 #define	IEEE80211_WEP_IVLEN		3	/* 24bit */
1432 #define	IEEE80211_WEP_KIDLEN		1	/* 1 octet */
1433 #define	IEEE80211_WEP_CRCLEN		4	/* CRC-32 */
1434 #define	IEEE80211_WEP_TOTLEN		(IEEE80211_WEP_IVLEN + \
1435 					 IEEE80211_WEP_KIDLEN + \
1436 					 IEEE80211_WEP_CRCLEN)
1437 #define	IEEE80211_WEP_NKID		4	/* number of key ids */
1438 
1439 /*
1440  * 802.11i defines an extended IV for use with non-WEP ciphers.
1441  * When the EXTIV bit is set in the key id byte an additional
1442  * 4 bytes immediately follow the IV for TKIP.  For CCMP the
1443  * EXTIV bit is likewise set but the 8 bytes represent the
1444  * CCMP header rather than IV+extended-IV.
1445  */
1446 #define	IEEE80211_WEP_EXTIV		0x20
1447 #define	IEEE80211_WEP_EXTIVLEN		4	/* extended IV length */
1448 #define	IEEE80211_WEP_MICLEN		8	/* trailing MIC */
1449 
1450 #define	IEEE80211_CRC_LEN		4
1451 
1452 /*
1453  * Maximum acceptable MTU is:
1454  *	IEEE80211_MAX_LEN - WEP overhead - CRC -
1455  *		QoS overhead - RSN/WPA overhead
1456  * Min is arbitrarily chosen > IEEE80211_MIN_LEN.  The default
1457  * mtu is Ethernet-compatible; it's set by ether_ifattach.
1458  */
1459 #define	IEEE80211_MTU_MAX		2290
1460 #define	IEEE80211_MTU_MIN		32
1461 
1462 #define	IEEE80211_MAX_LEN		(2300 + IEEE80211_CRC_LEN + \
1463     (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
1464 #define	IEEE80211_ACK_LEN \
1465 	(sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
1466 #define	IEEE80211_MIN_LEN \
1467 	(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
1468 
1469 /*
1470  * The 802.11 spec says at most 2007 stations may be
1471  * associated at once.  For most AP's this is way more
1472  * than is feasible so we use a default of IEEE80211_AID_DEF.
1473  * This number may be overridden by the driver and/or by
1474  * user configuration but may not be less than IEEE80211_AID_MIN
1475  * (see _ieee80211.h for implementation-specific settings).
1476  */
1477 #define	IEEE80211_AID_MAX		2007
1478 
1479 #define	IEEE80211_AID(b)	((b) &~ 0xc000)
1480 
1481 /*
1482  * RTS frame length parameters.  The default is specified in
1483  * the 802.11 spec as 512; we treat it as implementation-dependent
1484  * so it's defined in ieee80211_var.h.  The max may be wrong
1485  * for jumbo frames.
1486  */
1487 #define	IEEE80211_RTS_MIN		1
1488 #define	IEEE80211_RTS_MAX		2346
1489 
1490 /*
1491  * TX fragmentation parameters.  As above for RTS, we treat
1492  * default as implementation-dependent so define it elsewhere.
1493  */
1494 #define	IEEE80211_FRAG_MIN		256
1495 #define	IEEE80211_FRAG_MAX		2346
1496 
1497 /*
1498  * Beacon interval (TU's).  Min+max come from WiFi requirements.
1499  * As above, we treat default as implementation-dependent so
1500  * define it elsewhere.
1501  */
1502 #define	IEEE80211_BINTVAL_MAX	1000	/* max beacon interval (TU's) */
1503 #define	IEEE80211_BINTVAL_MIN	25	/* min beacon interval (TU's) */
1504 
1505 /*
1506  * DTIM period (beacons).  Min+max are not really defined
1507  * by the protocol but we want them publicly visible so
1508  * define them here.
1509  */
1510 #define	IEEE80211_DTIM_MAX	15	/* max DTIM period */
1511 #define	IEEE80211_DTIM_MIN	1	/* min DTIM period */
1512 
1513 /*
1514  * Beacon miss threshold (beacons).  As for DTIM, we define
1515  * them here to be publicly visible.  Note the max may be
1516  * clamped depending on device capabilities.
1517  */
1518 #define	IEEE80211_HWBMISS_MIN 	1
1519 #define	IEEE80211_HWBMISS_MAX 	255
1520 
1521 /*
1522  * 802.11 frame duration definitions.
1523  */
1524 
1525 struct ieee80211_duration {
1526 	uint16_t	d_rts_dur;
1527 	uint16_t	d_data_dur;
1528 	uint16_t	d_plcp_len;
1529 	uint8_t		d_residue;	/* unused octets in time slot */
1530 };
1531 
1532 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */
1533 #define IEEE80211_DUR_TU		1024
1534 
1535 /* IEEE 802.11b durations for DSSS PHY in microseconds */
1536 #define IEEE80211_DUR_DS_LONG_PREAMBLE	144
1537 #define IEEE80211_DUR_DS_SHORT_PREAMBLE	72
1538 
1539 #define IEEE80211_DUR_DS_SLOW_PLCPHDR	48
1540 #define IEEE80211_DUR_DS_FAST_PLCPHDR	24
1541 #define IEEE80211_DUR_DS_SLOW_ACK	112
1542 #define IEEE80211_DUR_DS_FAST_ACK	56
1543 #define IEEE80211_DUR_DS_SLOW_CTS	112
1544 #define IEEE80211_DUR_DS_FAST_CTS	56
1545 
1546 #define IEEE80211_DUR_DS_SLOT		20
1547 #define IEEE80211_DUR_DS_SIFS		10
1548 #define IEEE80211_DUR_DS_PIFS	(IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
1549 #define IEEE80211_DUR_DS_DIFS	(IEEE80211_DUR_DS_SIFS + \
1550 				 2 * IEEE80211_DUR_DS_SLOT)
1551 #define IEEE80211_DUR_DS_EIFS	(IEEE80211_DUR_DS_SIFS + \
1552 				 IEEE80211_DUR_DS_SLOW_ACK + \
1553 				 IEEE80211_DUR_DS_LONG_PREAMBLE + \
1554 				 IEEE80211_DUR_DS_SLOW_PLCPHDR + \
1555 				 IEEE80211_DUR_DIFS)
1556 
1557 #endif /* _NET80211_IEEE80211_H_ */
1558