1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Atsushi Onoe
5 * Copyright (c) 2002-2008 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 implementation definitions.
35 *
36 * NB: this file is used by applications.
37 */
38
39 /*
40 * PHY type; mostly used to identify FH phys.
41 */
42 enum ieee80211_phytype {
43 IEEE80211_T_DS, /* direct sequence spread spectrum */
44 IEEE80211_T_FH, /* frequency hopping */
45 IEEE80211_T_OFDM, /* frequency division multiplexing */
46 IEEE80211_T_TURBO, /* high rate OFDM, aka turbo mode */
47 IEEE80211_T_HT, /* high throughput */
48 IEEE80211_T_OFDM_HALF, /* 1/2 rate OFDM */
49 IEEE80211_T_OFDM_QUARTER, /* 1/4 rate OFDM */
50 IEEE80211_T_VHT, /* VHT PHY */
51 };
52 #define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclature */
53
54 /*
55 * PHY mode; this is not really a mode as multi-mode devices
56 * have multiple PHY's. Mode is mostly used as a shorthand
57 * for constraining which channels to consider in setting up
58 * operation. Modes used to be used more extensively when
59 * channels were identified as IEEE channel numbers.
60 */
61 enum ieee80211_phymode {
62 IEEE80211_MODE_AUTO = 0, /* autoselect */
63 IEEE80211_MODE_11A = 1, /* 5GHz, OFDM */
64 IEEE80211_MODE_11B = 2, /* 2GHz, CCK */
65 IEEE80211_MODE_11G = 3, /* 2GHz, OFDM */
66 IEEE80211_MODE_FH = 4, /* 2GHz, GFSK */
67 IEEE80211_MODE_TURBO_A = 5, /* 5GHz, OFDM, 2x clock */
68 IEEE80211_MODE_TURBO_G = 6, /* 2GHz, OFDM, 2x clock */
69 IEEE80211_MODE_STURBO_A = 7, /* 5GHz, OFDM, 2x clock, static */
70 IEEE80211_MODE_11NA = 8, /* 5GHz, w/ HT */
71 IEEE80211_MODE_11NG = 9, /* 2GHz, w/ HT */
72 IEEE80211_MODE_HALF = 10, /* OFDM, 1/2x clock */
73 IEEE80211_MODE_QUARTER = 11, /* OFDM, 1/4x clock */
74 IEEE80211_MODE_VHT_2GHZ = 12, /* 2GHz, VHT */
75 IEEE80211_MODE_VHT_5GHZ = 13, /* 5GHz, VHT */
76 };
77 #define IEEE80211_MODE_MAX (IEEE80211_MODE_VHT_5GHZ+1)
78 #define IEEE80211_MODE_BYTES howmany(IEEE80211_MODE_MAX, NBBY)
79
80 /*
81 * Operating mode. Devices do not necessarily support
82 * all modes; they indicate which are supported in their
83 * capabilities.
84 */
85 enum ieee80211_opmode {
86 IEEE80211_M_IBSS = 0, /* IBSS (adhoc) station */
87 IEEE80211_M_STA = 1, /* infrastructure station */
88 IEEE80211_M_WDS = 2, /* WDS link */
89 IEEE80211_M_AHDEMO = 3, /* Old lucent compatible adhoc demo */
90 IEEE80211_M_HOSTAP = 4, /* Software Access Point */
91 IEEE80211_M_MONITOR = 5, /* Monitor mode */
92 IEEE80211_M_MBSS = 6, /* MBSS (Mesh Point) link */
93 };
94 #define IEEE80211_OPMODE_MAX (IEEE80211_M_MBSS+1)
95
96 /*
97 * 802.11g/802.11n protection mode.
98 */
99 enum ieee80211_protmode {
100 IEEE80211_PROT_NONE = 0, /* no protection */
101 IEEE80211_PROT_CTSONLY = 1, /* CTS to self */
102 IEEE80211_PROT_RTSCTS = 2, /* RTS-CTS */
103 };
104
105 /*
106 * Authentication mode. The open and shared key authentication
107 * modes are implemented within the 802.11 layer. 802.1x and
108 * WPA/802.11i are implemented in user mode by setting the
109 * 802.11 layer into IEEE80211_AUTH_8021X and deferring
110 * authentication to user space programs.
111 */
112 enum ieee80211_authmode {
113 IEEE80211_AUTH_NONE = 0,
114 IEEE80211_AUTH_OPEN = 1, /* open */
115 IEEE80211_AUTH_SHARED = 2, /* shared-key */
116 IEEE80211_AUTH_8021X = 3, /* 802.1x */
117 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */
118 /* NB: these are used only for ioctls */
119 IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x/PSK */
120 };
121
122 /*
123 * Roaming mode is effectively who controls the operation
124 * of the 802.11 state machine when operating as a station.
125 * State transitions are controlled either by the driver
126 * (typically when management frames are processed by the
127 * hardware/firmware), the host (auto/normal operation of
128 * the 802.11 layer), or explicitly through ioctl requests
129 * when applications like wpa_supplicant want control.
130 */
131 enum ieee80211_roamingmode {
132 IEEE80211_ROAMING_DEVICE= 0, /* driver/hardware control */
133 IEEE80211_ROAMING_AUTO = 1, /* 802.11 layer control */
134 IEEE80211_ROAMING_MANUAL= 2, /* application control */
135 };
136
137 /*
138 * Channels are specified by frequency and attributes.
139 */
140 struct ieee80211_channel {
141 uint32_t ic_flags; /* see below */
142 uint16_t ic_freq; /* primary centre frequency in MHz */
143 uint8_t ic_ieee; /* IEEE channel number */
144 int8_t ic_maxregpower; /* maximum regulatory tx power in dBm */
145 int8_t ic_maxpower; /* maximum tx power in .5 dBm */
146 int8_t ic_minpower; /* minimum tx power in .5 dBm */
147 uint8_t ic_state; /* dynamic state */
148 uint8_t ic_extieee; /* HT40 extension channel number */
149 int8_t ic_maxantgain; /* maximum antenna gain in .5 dBm */
150 uint8_t ic_pad;
151 uint16_t ic_devdata; /* opaque device/driver data */
152 uint8_t ic_vht_ch_freq1; /* VHT primary freq1 IEEE value */
153 uint8_t ic_vht_ch_freq2; /* VHT secondary 80MHz freq2 IEEE value */
154 uint16_t ic_freq2; /* VHT secondary 80MHz freq2 MHz */
155 };
156
157 /*
158 * Note: for VHT operation we will need significantly more than
159 * IEEE80211_CHAN_MAX channels because of the combinations of
160 * VHT20, VHT40, VHT80, VHT160, and VHT80+80.
161 */
162 #define IEEE80211_CHAN_MAX 1024
163 #define IEEE80211_CHAN_BYTES howmany(IEEE80211_CHAN_MAX, NBBY)
164 #define IEEE80211_CHAN_ANY 0xffff /* token for ``any channel'' */
165 #define IEEE80211_CHAN_ANYC \
166 ((struct ieee80211_channel *) IEEE80211_CHAN_ANY)
167
168 /* channel attributes */
169 #define IEEE80211_CHAN_PRIV0 0x00000001 /* driver private bit 0 */
170 #define IEEE80211_CHAN_PRIV1 0x00000002 /* driver private bit 1 */
171 #define IEEE80211_CHAN_PRIV2 0x00000004 /* driver private bit 2 */
172 #define IEEE80211_CHAN_PRIV3 0x00000008 /* driver private bit 3 */
173 #define IEEE80211_CHAN_TURBO 0x00000010 /* Turbo channel */
174 #define IEEE80211_CHAN_CCK 0x00000020 /* CCK channel */
175 #define IEEE80211_CHAN_OFDM 0x00000040 /* OFDM channel */
176 #define IEEE80211_CHAN_2GHZ 0x00000080 /* 2 GHz spectrum channel. */
177 #define IEEE80211_CHAN_5GHZ 0x00000100 /* 5 GHz spectrum channel */
178 #define IEEE80211_CHAN_PASSIVE 0x00000200 /* Only passive scan allowed */
179 #define IEEE80211_CHAN_DYN 0x00000400 /* Dynamic CCK-OFDM channel */
180 #define IEEE80211_CHAN_GFSK 0x00000800 /* GFSK channel (FHSS PHY) */
181 #define IEEE80211_CHAN_GSM 0x00001000 /* 900 MHz spectrum channel */
182 #define IEEE80211_CHAN_STURBO 0x00002000 /* 11a static turbo channel only */
183 #define IEEE80211_CHAN_HALF 0x00004000 /* Half rate channel */
184 #define IEEE80211_CHAN_QUARTER 0x00008000 /* Quarter rate channel */
185 #define IEEE80211_CHAN_HT20 0x00010000 /* HT 20 channel */
186 #define IEEE80211_CHAN_HT40U 0x00020000 /* HT 40 channel w/ ext above */
187 #define IEEE80211_CHAN_HT40D 0x00040000 /* HT 40 channel w/ ext below */
188 #define IEEE80211_CHAN_DFS 0x00080000 /* DFS required */
189 #define IEEE80211_CHAN_4MSXMIT 0x00100000 /* 4ms limit on frame length */
190 #define IEEE80211_CHAN_NOADHOC 0x00200000 /* adhoc mode not allowed */
191 #define IEEE80211_CHAN_NOHOSTAP 0x00400000 /* hostap mode not allowed */
192 #define IEEE80211_CHAN_11D 0x00800000 /* 802.11d required */
193 #define IEEE80211_CHAN_VHT20 0x01000000 /* VHT20 channel */
194 #define IEEE80211_CHAN_VHT40U 0x02000000 /* VHT40 channel, ext above */
195 #define IEEE80211_CHAN_VHT40D 0x04000000 /* VHT40 channel, ext below */
196 #define IEEE80211_CHAN_VHT80 0x08000000 /* VHT80 channel */
197 #define IEEE80211_CHAN_VHT160 0x10000000 /* VHT160 channel */
198 #define IEEE80211_CHAN_VHT80P80 0x20000000 /* VHT80+80 channel */
199 /* XXX note: 0x80000000 is used in src/sbin/ifconfig/ifieee80211.c :( */
200
201 #define IEEE80211_CHAN_HT40 (IEEE80211_CHAN_HT40U | IEEE80211_CHAN_HT40D)
202 #define IEEE80211_CHAN_HT (IEEE80211_CHAN_HT20 | IEEE80211_CHAN_HT40)
203
204 #define IEEE80211_CHAN_VHT40 (IEEE80211_CHAN_VHT40U | IEEE80211_CHAN_VHT40D)
205 #define IEEE80211_CHAN_VHT (IEEE80211_CHAN_VHT20 | IEEE80211_CHAN_VHT40 \
206 | IEEE80211_CHAN_VHT80 | IEEE80211_CHAN_VHT160 \
207 | IEEE80211_CHAN_VHT80P80)
208
209 #define IEEE80211_CHAN_BITS \
210 "\2\1PRIV0\2PRIV2\3PRIV3\4PRIV4\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ" \
211 "\12PASSIVE\13DYN\14GFSK\15GSM\16STURBO\17HALF\20QUARTER\21HT20" \
212 "\22HT40U\23HT40D\24DFS\0254MSXMIT\26NOADHOC\27NOHOSTAP\03011D" \
213 "\031VHT20\032VHT40U\033VHT40D\034VHT80\035VHT160\036VHT80P80"
214
215 /*
216 * Useful combinations of channel characteristics.
217 */
218 #define IEEE80211_CHAN_FHSS \
219 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_GFSK)
220 #define IEEE80211_CHAN_A \
221 (IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
222 #define IEEE80211_CHAN_B \
223 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
224 #define IEEE80211_CHAN_PUREG \
225 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
226 #define IEEE80211_CHAN_G \
227 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
228 #define IEEE80211_CHAN_108A \
229 (IEEE80211_CHAN_A | IEEE80211_CHAN_TURBO)
230 #define IEEE80211_CHAN_108G \
231 (IEEE80211_CHAN_PUREG | IEEE80211_CHAN_TURBO)
232 #define IEEE80211_CHAN_ST \
233 (IEEE80211_CHAN_108A | IEEE80211_CHAN_STURBO)
234
235 #define IEEE80211_CHAN_ALL \
236 (IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_GFSK | \
237 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | \
238 IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER | \
239 IEEE80211_CHAN_HT | IEEE80211_CHAN_VHT)
240 #define IEEE80211_CHAN_ALLTURBO \
241 (IEEE80211_CHAN_ALL | IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)
242
243 #define IEEE80211_IS_CHAN_FHSS(_c) \
244 (((_c)->ic_flags & IEEE80211_CHAN_FHSS) == IEEE80211_CHAN_FHSS)
245 #define IEEE80211_IS_CHAN_A(_c) \
246 (((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
247 #define IEEE80211_IS_CHAN_B(_c) \
248 (((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
249 #define IEEE80211_IS_CHAN_PUREG(_c) \
250 (((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
251 #define IEEE80211_IS_CHAN_G(_c) \
252 (((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
253 #define IEEE80211_IS_CHAN_ANYG(_c) \
254 (IEEE80211_IS_CHAN_PUREG(_c) || IEEE80211_IS_CHAN_G(_c))
255 #define IEEE80211_IS_CHAN_ST(_c) \
256 (((_c)->ic_flags & IEEE80211_CHAN_ST) == IEEE80211_CHAN_ST)
257 #define IEEE80211_IS_CHAN_108A(_c) \
258 (((_c)->ic_flags & IEEE80211_CHAN_108A) == IEEE80211_CHAN_108A)
259 #define IEEE80211_IS_CHAN_108G(_c) \
260 (((_c)->ic_flags & IEEE80211_CHAN_108G) == IEEE80211_CHAN_108G)
261
262 #define IEEE80211_IS_CHAN_2GHZ(_c) \
263 (((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
264 #define IEEE80211_IS_CHAN_5GHZ(_c) \
265 (((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
266 #define IEEE80211_IS_CHAN_PASSIVE(_c) \
267 (((_c)->ic_flags & IEEE80211_CHAN_PASSIVE) != 0)
268 #define IEEE80211_IS_CHAN_OFDM(_c) \
269 (((_c)->ic_flags & (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN)) != 0)
270 #define IEEE80211_IS_CHAN_CCK(_c) \
271 (((_c)->ic_flags & (IEEE80211_CHAN_CCK | IEEE80211_CHAN_DYN)) != 0)
272 #define IEEE80211_IS_CHAN_DYN(_c) \
273 (((_c)->ic_flags & IEEE80211_CHAN_DYN) == IEEE80211_CHAN_DYN)
274 #define IEEE80211_IS_CHAN_GFSK(_c) \
275 (((_c)->ic_flags & IEEE80211_CHAN_GFSK) != 0)
276 #define IEEE80211_IS_CHAN_TURBO(_c) \
277 (((_c)->ic_flags & IEEE80211_CHAN_TURBO) != 0)
278 #define IEEE80211_IS_CHAN_STURBO(_c) \
279 (((_c)->ic_flags & IEEE80211_CHAN_STURBO) != 0)
280 #define IEEE80211_IS_CHAN_DTURBO(_c) \
281 (((_c)->ic_flags & \
282 (IEEE80211_CHAN_TURBO | IEEE80211_CHAN_STURBO)) == IEEE80211_CHAN_TURBO)
283 #define IEEE80211_IS_CHAN_HALF(_c) \
284 (((_c)->ic_flags & IEEE80211_CHAN_HALF) != 0)
285 #define IEEE80211_IS_CHAN_QUARTER(_c) \
286 (((_c)->ic_flags & IEEE80211_CHAN_QUARTER) != 0)
287 #define IEEE80211_IS_CHAN_FULL(_c) \
288 (((_c)->ic_flags & (IEEE80211_CHAN_QUARTER | IEEE80211_CHAN_HALF)) == 0)
289 #define IEEE80211_IS_CHAN_GSM(_c) \
290 (((_c)->ic_flags & IEEE80211_CHAN_GSM) != 0)
291 #define IEEE80211_IS_CHAN_HT(_c) \
292 (((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
293 #define IEEE80211_IS_CHAN_HT20(_c) \
294 (((_c)->ic_flags & IEEE80211_CHAN_HT20) != 0)
295 #define IEEE80211_IS_CHAN_HT40(_c) \
296 (((_c)->ic_flags & IEEE80211_CHAN_HT40) != 0)
297 #define IEEE80211_IS_CHAN_HT40U(_c) \
298 (((_c)->ic_flags & IEEE80211_CHAN_HT40U) != 0)
299 #define IEEE80211_IS_CHAN_HT40D(_c) \
300 (((_c)->ic_flags & IEEE80211_CHAN_HT40D) != 0)
301 #define IEEE80211_IS_CHAN_HTA(_c) \
302 (IEEE80211_IS_CHAN_5GHZ(_c) && \
303 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
304 #define IEEE80211_IS_CHAN_HTG(_c) \
305 (IEEE80211_IS_CHAN_2GHZ(_c) && \
306 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
307 #define IEEE80211_IS_CHAN_DFS(_c) \
308 (((_c)->ic_flags & IEEE80211_CHAN_DFS) != 0)
309 #define IEEE80211_IS_CHAN_NOADHOC(_c) \
310 (((_c)->ic_flags & IEEE80211_CHAN_NOADHOC) != 0)
311 #define IEEE80211_IS_CHAN_NOHOSTAP(_c) \
312 (((_c)->ic_flags & IEEE80211_CHAN_NOHOSTAP) != 0)
313 #define IEEE80211_IS_CHAN_11D(_c) \
314 (((_c)->ic_flags & IEEE80211_CHAN_11D) != 0)
315
316 #define IEEE80211_IS_CHAN_VHT(_c) \
317 (((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0)
318 #define IEEE80211_IS_CHAN_VHT_2GHZ(_c) \
319 (IEEE80211_IS_CHAN_2GHZ(_c) && \
320 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0)
321 #define IEEE80211_IS_CHAN_VHT_5GHZ(_c) \
322 (IEEE80211_IS_CHAN_5GHZ(_c) && \
323 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0)
324 #define IEEE80211_IS_CHAN_VHT20(_c) \
325 (((_c)->ic_flags & IEEE80211_CHAN_VHT20) != 0)
326 #define IEEE80211_IS_CHAN_VHT40(_c) \
327 (((_c)->ic_flags & IEEE80211_CHAN_VHT40) != 0)
328 #define IEEE80211_IS_CHAN_VHT40U(_c) \
329 (((_c)->ic_flags & IEEE80211_CHAN_VHT40U) != 0)
330 #define IEEE80211_IS_CHAN_VHT40D(_c) \
331 (((_c)->ic_flags & IEEE80211_CHAN_VHT40D) != 0)
332 #define IEEE80211_IS_CHAN_VHTA(_c) \
333 (IEEE80211_IS_CHAN_5GHZ(_c) && \
334 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0)
335 #define IEEE80211_IS_CHAN_VHTG(_c) \
336 (IEEE80211_IS_CHAN_2GHZ(_c) && \
337 ((_c)->ic_flags & IEEE80211_CHAN_VHT) != 0)
338 #define IEEE80211_IS_CHAN_VHT80(_c) \
339 (((_c)->ic_flags & IEEE80211_CHAN_VHT80) != 0)
340 #define IEEE80211_IS_CHAN_VHT160(_c) \
341 (((_c)->ic_flags & IEEE80211_CHAN_VHT160) != 0)
342 #define IEEE80211_IS_CHAN_VHT80P80(_c) \
343 (((_c)->ic_flags & IEEE80211_CHAN_VHT80P80) != 0)
344
345 #define IEEE80211_CHAN2IEEE(_c) (_c)->ic_ieee
346
347 /* dynamic state */
348 #define IEEE80211_CHANSTATE_RADAR 0x01 /* radar detected */
349 #define IEEE80211_CHANSTATE_CACDONE 0x02 /* CAC completed */
350 #define IEEE80211_CHANSTATE_CWINT 0x04 /* interference detected */
351 #define IEEE80211_CHANSTATE_NORADAR 0x10 /* post notify on radar clear */
352
353 #define IEEE80211_IS_CHAN_RADAR(_c) \
354 (((_c)->ic_state & IEEE80211_CHANSTATE_RADAR) != 0)
355 #define IEEE80211_IS_CHAN_CACDONE(_c) \
356 (((_c)->ic_state & IEEE80211_CHANSTATE_CACDONE) != 0)
357 #define IEEE80211_IS_CHAN_CWINT(_c) \
358 (((_c)->ic_state & IEEE80211_CHANSTATE_CWINT) != 0)
359
360 /* ni_chan encoding for FH phy */
361 #define IEEE80211_FH_CHANMOD 80
362 #define IEEE80211_FH_CHAN(set,pat) (((set)-1)*IEEE80211_FH_CHANMOD+(pat))
363 #define IEEE80211_FH_CHANSET(chan) ((chan)/IEEE80211_FH_CHANMOD+1)
364 #define IEEE80211_FH_CHANPAT(chan) ((chan)%IEEE80211_FH_CHANMOD)
365
366 #define IEEE80211_TID_SIZE (WME_NUM_TID+1) /* WME TID's +1 for non-QoS */
367 #define IEEE80211_NONQOS_TID WME_NUM_TID /* index for non-QoS sta */
368
369 /*
370 * The 802.11 spec says at most 2007 stations may be
371 * associated at once. For most AP's this is way more
372 * than is feasible so we use a default of 128. This
373 * number may be overridden by the driver and/or by
374 * user configuration but may not be less than IEEE80211_AID_MIN.
375 */
376 #define IEEE80211_AID_DEF 128
377 #define IEEE80211_AID_MIN 16
378
379 /*
380 * 802.11 rate set.
381 */
382 #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
383 #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
384
385 struct ieee80211_rateset {
386 uint8_t rs_nrates;
387 uint8_t rs_rates[IEEE80211_RATE_MAXSIZE];
388 };
389
390 /*
391 * 802.11n variant of ieee80211_rateset. Instead of
392 * legacy rates the entries are MCS rates. We define
393 * the structure such that it can be used interchangeably
394 * with an ieee80211_rateset (modulo structure size).
395 */
396 #define IEEE80211_HTRATE_MAXSIZE 77
397
398 struct ieee80211_htrateset {
399 uint8_t rs_nrates;
400 uint8_t rs_rates[IEEE80211_HTRATE_MAXSIZE];
401 };
402
403 #define IEEE80211_RATE_MCS 0x80
404
405 /*
406 * Per-mode transmit parameters/controls visible to user space.
407 * These can be used to set fixed transmit rate for all operating
408 * modes or on a per-client basis according to the capabilities
409 * of the client (e.g. an 11b client associated to an 11g ap).
410 *
411 * MCS are distinguished from legacy rates by or'ing in 0x80.
412 */
413 struct ieee80211_txparam {
414 uint8_t ucastrate; /* ucast data rate (legacy/MCS|0x80) */
415 uint8_t mgmtrate; /* mgmt frame rate (legacy/MCS|0x80) */
416 uint8_t mcastrate; /* multicast rate (legacy/MCS|0x80) */
417 uint8_t maxretry; /* max unicast data retry count */
418 };
419
420 /*
421 * Per-mode roaming state visible to user space. There are two
422 * thresholds that control whether roaming is considered; when
423 * either is exceeded the 802.11 layer will check the scan cache
424 * for another AP. If the cache is stale then a scan may be
425 * triggered.
426 */
427 struct ieee80211_roamparam {
428 int8_t rssi; /* rssi thresh (.5 dBm) */
429 uint8_t rate; /* tx rate thresh (.5 Mb/s or MCS) */
430 uint16_t pad; /* reserve */
431 };
432
433 /*
434 * Regulatory Information.
435 */
436 struct ieee80211_regdomain {
437 uint16_t regdomain; /* SKU */
438 uint16_t country; /* ISO country code */
439 uint8_t location; /* I (indoor), O (outdoor), other */
440 uint8_t ecm; /* Extended Channel Mode */
441 char isocc[2]; /* country code string */
442 short pad[2];
443 };
444
445 /*
446 * MIMO antenna/radio state.
447 */
448 #define IEEE80211_MAX_CHAINS 4
449 /*
450 * This is the number of sub-channels for a channel.
451 * 0 - pri20
452 * 1 - sec20 (HT40, VHT40)
453 * 2 - sec40 (VHT80)
454 * 3 - sec80 (VHT80+80, VHT160)
455 */
456 #define IEEE80211_MAX_CHAIN_PRISEC 4
457 #define IEEE80211_MAX_EVM_DWORDS 16 /* 16 pilots, 4 chains */
458 #define IEEE80211_MAX_EVM_PILOTS 16 /* 468 subcarriers, 16 pilots */
459
460 struct ieee80211_mimo_chan_info {
461 int8_t rssi[IEEE80211_MAX_CHAIN_PRISEC];
462 int8_t noise[IEEE80211_MAX_CHAIN_PRISEC];
463 };
464
465 struct ieee80211_mimo_info {
466 struct ieee80211_mimo_chan_info ch[IEEE80211_MAX_CHAINS];
467 uint32_t evm[IEEE80211_MAX_EVM_DWORDS];
468 };
469
470 /*
471 * ic_caps/iv_caps: device driver capabilities
472 */
473 /* 0x2e available */
474 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */
475 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */
476 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */
477 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/
478 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */
479 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */
480 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */
481 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */
482 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */
483 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */
484 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */
485 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */
486 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */
487 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/
488 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */
489 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */
490 #define IEEE80211_C_SWAMSDUTX 0x00100000 /* CAPABILITY: software A-MSDU TX */
491 #define IEEE80211_C_UAPSD 0x00200000 /* CAPABILITY: U-APSD */
492 /* 0x7c0000 available */
493 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */
494 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */
495 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/
496 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */
497 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */
498 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */
499 /* 0x10000000 reserved */
500 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */
501 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */
502 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */
503 /* XXX protection/barker? */
504
505 #define IEEE80211_C_OPMODE \
506 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
507 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
508 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
509
510 #define IEEE80211_C_BITS \
511 "\2\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
512 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
513 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
514 "\37TXFRAG\40TDMA"
515
516 /*
517 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
518 *
519 * NB: the low 16-bits are the 802.11 definitions, the upper
520 * 16-bits are used to define s/w/driver capabilities.
521 */
522 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */
523 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */
524 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
525 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */
526 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/
527 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */
528 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */
529 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */
530 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */
531 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 support */
532 #define IEEE80211_HTC_TXLDPC 0x02000000 /* CAPABILITY: TX using LDPC */
533 #define IEEE80211_HTC_RX_AMSDU_AMPDU 0x04000000 /* CAPABILITY: RX A-MSDU in A-MPDU */
534 #define IEEE80211_HTC_TX_AMSDU_AMPDU 0x08000000 /* CAPABILITY: TX A-MSDU in A-MPDU */
535
536 #define IEEE80211_C_HTCAP_BITS \
537 "\2\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
538 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS\32TXLDPC\33RXAMSDUAMPDU" \
539 "\34TXAMSDUAMPDU"
540
541 /*
542 * RX status notification - which fields are valid.
543 */
544 #define IEEE80211_R_NF 0x00000001 /* global NF value valid */
545 #define IEEE80211_R_RSSI 0x00000002 /* global RSSI value valid */
546 #define IEEE80211_R_C_CHAIN 0x00000004 /* RX chain count valid */
547 #define IEEE80211_R_C_NF 0x00000008 /* per-chain NF value valid */
548 #define IEEE80211_R_C_RSSI 0x00000010 /* per-chain RSSI value valid */
549 #define IEEE80211_R_C_EVM 0x00000020 /* per-chain EVM valid */
550 #define IEEE80211_R_C_HT40 0x00000040 /* RX'ed packet is 40mhz, pilots 4,5 valid */
551 #define IEEE80211_R_FREQ 0x00000080 /* Freq value populated, MHz */
552 #define IEEE80211_R_IEEE 0x00000100 /* IEEE value populated */
553 #define IEEE80211_R_BAND 0x00000200 /* Frequency band populated */
554 #define IEEE80211_R_TSF32 0x00004000 /* 32 bit TSF */
555 #define IEEE80211_R_TSF64 0x00008000 /* 64 bit TSF */
556 #define IEEE80211_R_TSF_START 0x00010000 /* TSF is sampled at start of frame */
557 #define IEEE80211_R_TSF_END 0x00020000 /* TSF is sampled at end of frame */
558
559 /*
560 * RX status notification - describe the packet.
561 */
562 #define IEEE80211_RX_F_STBC 0x00000001
563 #define IEEE80211_RX_F_LDPC 0x00000002
564 #define IEEE80211_RX_F_AMSDU 0x00000004 /* This is the start of an decap AMSDU list */
565 #define IEEE80211_RX_F_AMSDU_MORE 0x00000008 /* This is another decap AMSDU frame in the batch */
566 #define IEEE80211_RX_F_AMPDU 0x00000010 /* This is the start of an decap AMPDU list */
567 #define IEEE80211_RX_F_AMPDU_MORE 0x00000020 /* This is another decap AMPDU frame in the batch */
568 #define IEEE80211_RX_F_FAIL_FCSCRC 0x00000040 /* Failed CRC/FCS */
569 #define IEEE80211_RX_F_FAIL_MIC 0x00000080 /* Failed MIC check */
570 #define IEEE80211_RX_F_DECRYPTED 0x00000100 /* Hardware decrypted */
571 #define IEEE80211_RX_F_IV_STRIP 0x00000200 /* Decrypted; IV stripped */
572 #define IEEE80211_RX_F_MMIC_STRIP 0x00000400 /* Decrypted; MMIC stripped */
573 #define IEEE80211_RX_F_SHORTGI 0x00000800 /* This is a short-GI frame */
574 #define IEEE80211_RX_F_CCK 0x00001000
575 #define IEEE80211_RX_F_OFDM 0x00002000
576 #define IEEE80211_RX_F_HT 0x00004000
577 #define IEEE80211_RX_F_VHT 0x00008000
578
579 /* Channel width */
580 #define IEEE80211_RX_FW_20MHZ 1
581 #define IEEE80211_RX_FW_40MHZ 2
582 #define IEEE80211_RX_FW_80MHZ 3
583 #define IEEE80211_RX_FW_160MHZ 4
584
585 /* PHY type */
586 #define IEEE80211_RX_FP_11B 1
587 #define IEEE80211_RX_FP_11G 2
588 #define IEEE80211_RX_FP_11A 3
589 #define IEEE80211_RX_FP_11NA 4
590 #define IEEE80211_RX_FP_11NG 5
591
592 struct ieee80211_rx_stats {
593 uint32_t r_flags; /* IEEE80211_R_* flags */
594 uint32_t c_pktflags; /* IEEE80211_RX_F_* flags */
595
596 uint64_t c_rx_tsf; /* 32 or 64 bit TSF */
597
598 /* All DWORD aligned */
599 int16_t c_nf_ctl[IEEE80211_MAX_CHAINS]; /* per-chain NF */
600 int16_t c_nf_ext[IEEE80211_MAX_CHAINS]; /* per-chain NF */
601 int16_t c_rssi_ctl[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
602 int16_t c_rssi_ext[IEEE80211_MAX_CHAINS]; /* per-chain RSSI */
603
604 /* 32 bits */
605 int8_t c_nf; /* global NF */
606 int8_t c_rssi; /* global RSSI */
607 uint8_t c_chain; /* number of RX chains involved */
608 uint8_t c_rate; /* legacy; 11n rate code; VHT MCS */
609
610 /* 32 bits */
611 uint16_t c_freq; /* Frequency, MHz */
612 uint8_t c_ieee; /* Channel */
613 uint8_t c_width; /* channel width, FW flags above */
614
615 /* 32 bits */
616 uint32_t c_band; /* Band; XXX we do not have a real band. */
617
618 /* Force alignment to DWORD */
619 union {
620 uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
621 /* per-chain, per-pilot EVM values */
622 uint32_t __aln[8];
623 } evm;
624
625 /* 32 bits */
626 uint8_t c_phytype; /* PHY type, FW flags above */
627 uint8_t c_vhtnss; /* VHT - number of spatial streams */
628 uint8_t c_pad2[2];
629 };
630
631 struct ieee80211_rx_params {
632 struct ieee80211_rx_stats params;
633 };
634
635 #endif /* _NET80211__IEEE80211_H_ */
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