xref: /openbsd-src/sys/net80211/ieee80211_var.h (revision f1dd7b858388b4a23f4f67a4957ec5ff656ebbe8)
1 /*	$OpenBSD: ieee80211_var.h,v 1.104 2021/05/17 11:44:22 stsp Exp $	*/
2 /*	$NetBSD: ieee80211_var.h,v 1.7 2004/05/06 03:07:10 dyoung Exp $	*/
3 
4 /*-
5  * Copyright (c) 2001 Atsushi Onoe
6  * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  * $FreeBSD: src/sys/net80211/ieee80211_var.h,v 1.15 2004/04/05 22:10:26 sam Exp $
32  */
33 #ifndef _NET80211_IEEE80211_VAR_H_
34 #define _NET80211_IEEE80211_VAR_H_
35 
36 /*
37  * Definitions for IEEE 802.11 drivers.
38  */
39 
40 #ifdef	SMALL_KERNEL
41 #define IEEE80211_STA_ONLY	1
42 #endif
43 
44 #include <sys/timeout.h>
45 
46 #include <net80211/ieee80211.h>
47 #include <net80211/ieee80211_crypto.h>
48 #include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
49 #include <net80211/ieee80211_node.h>
50 #include <net80211/ieee80211_proto.h>
51 
52 #define	IEEE80211_CHAN_MAX	255
53 #define	IEEE80211_CHAN_ANY	0xffff		/* token for ``any channel'' */
54 #define	IEEE80211_CHAN_ANYC \
55 	((struct ieee80211_channel *) NULL)
56 
57 #define	IEEE80211_TXPOWER_MAX	100	/* max power */
58 #define	IEEE80211_TXPOWER_MIN	-50	/* kill radio (if possible) */
59 
60 #define IEEE80211_RSSI_THRES_2GHZ		(-60)	/* in dBm */
61 #define IEEE80211_RSSI_THRES_5GHZ		(-70)	/* in dBm */
62 #define IEEE80211_RSSI_THRES_RATIO_2GHZ		60	/* in percent */
63 #define IEEE80211_RSSI_THRES_RATIO_5GHZ		50	/* in percent */
64 
65 #define IEEE80211_BGSCAN_FAIL_MAX		512	/* units of 500 msec */
66 
67 /*
68  * Missed beacon threshold: An access point has disappeared if this amount
69  * of consecutive beacons have been missed.
70  * This value needs to be high enough to avoid frequent re-connects to APs
71  * which suffer from occasional packet loss, and low enough to avoid a long
72  * delay before we start scanning when an AP has actually disappeared.
73  *
74  * The beacon interval is variable, but generally in the order of 100ms.
75  * So 30 beacons implies a grace period of about 3 seconds before we start
76  * searching for a new AP.
77  */
78 #define IEEE80211_BEACON_MISS_THRES		30	/* units of beacons */
79 
80 enum ieee80211_phytype {
81 	IEEE80211_T_DS,			/* direct sequence spread spectrum */
82 	IEEE80211_T_OFDM,		/* frequency division multiplexing */
83 	IEEE80211_T_XR		        /* extended range mode */
84 };
85 #define	IEEE80211_T_CCK	IEEE80211_T_DS	/* more common nomenclature */
86 
87 /* XXX not really a mode; there are really multiple PHY's */
88 enum ieee80211_phymode {
89 	IEEE80211_MODE_AUTO	= 0,	/* autoselect */
90 	IEEE80211_MODE_11A	= 1,	/* 5GHz, OFDM */
91 	IEEE80211_MODE_11B	= 2,	/* 2GHz, CCK */
92 	IEEE80211_MODE_11G	= 3,	/* 2GHz, OFDM */
93 	IEEE80211_MODE_11N	= 4,	/* 2GHz/5GHz, OFDM/HT */
94 	IEEE80211_MODE_11AC	= 5,	/* 5GHz, OFDM/VHT */
95 };
96 #define	IEEE80211_MODE_MAX	(IEEE80211_MODE_11AC+1)
97 
98 enum ieee80211_opmode {
99 	IEEE80211_M_STA		= 1,	/* infrastructure station */
100 #ifndef IEEE80211_STA_ONLY
101 	IEEE80211_M_IBSS	= 0,	/* IBSS (adhoc) station */
102 	IEEE80211_M_AHDEMO	= 3,	/* Old lucent compatible adhoc demo */
103 	IEEE80211_M_HOSTAP	= 6,	/* Software Access Point */
104 #endif
105 	IEEE80211_M_MONITOR	= 8	/* Monitor mode */
106 };
107 
108 /*
109  * 802.11g protection mode.
110  */
111 enum ieee80211_protmode {
112 	IEEE80211_PROT_NONE	= 0,	/* no protection */
113 	IEEE80211_PROT_CTSONLY	= 1,	/* CTS to self */
114 	IEEE80211_PROT_RTSCTS	= 2	/* RTS-CTS */
115 };
116 
117 /*
118  * Channels are specified by frequency and attributes.
119  */
120 struct ieee80211_channel {
121 	u_int16_t	ic_freq;	/* setting in MHz */
122 	u_int16_t	ic_flags;	/* see below */
123 };
124 
125 /*
126  * Channel attributes (XXX must keep in sync with radiotap flags).
127  */
128 #define IEEE80211_CHAN_CCK	0x0020	/* CCK channel */
129 #define IEEE80211_CHAN_OFDM	0x0040	/* OFDM channel */
130 #define IEEE80211_CHAN_2GHZ	0x0080	/* 2 GHz spectrum channel */
131 #define IEEE80211_CHAN_5GHZ	0x0100	/* 5 GHz spectrum channel */
132 #define IEEE80211_CHAN_PASSIVE	0x0200	/* Only passive scan allowed */
133 #define IEEE80211_CHAN_DYN	0x0400	/* Dynamic CCK-OFDM channel */
134 #define IEEE80211_CHAN_XR	0x1000	/* Extended range OFDM channel */
135 #define IEEE80211_CHAN_HT	0x2000	/* 11n/HT channel */
136 #define IEEE80211_CHAN_VHT	0x4000	/* 11ac/VHT channel */
137 
138 /*
139  * Useful combinations of channel characteristics.
140  */
141 #define IEEE80211_CHAN_A \
142 	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
143 #define IEEE80211_CHAN_B \
144 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
145 #define IEEE80211_CHAN_PUREG \
146 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
147 #define IEEE80211_CHAN_G \
148 	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
149 
150 #define	IEEE80211_IS_CHAN_A(_c) \
151 	(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
152 #define	IEEE80211_IS_CHAN_B(_c) \
153 	(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
154 #define	IEEE80211_IS_CHAN_PUREG(_c) \
155 	(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
156 #define	IEEE80211_IS_CHAN_G(_c) \
157 	(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
158 #define	IEEE80211_IS_CHAN_N(_c) \
159 	(((_c)->ic_flags & IEEE80211_CHAN_HT) == IEEE80211_CHAN_HT)
160 #define	IEEE80211_IS_CHAN_AC(_c) \
161 	(((_c)->ic_flags & IEEE80211_CHAN_VHT) == IEEE80211_CHAN_VHT)
162 
163 #define	IEEE80211_IS_CHAN_2GHZ(_c) \
164 	(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
165 #define	IEEE80211_IS_CHAN_5GHZ(_c) \
166 	(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
167 #define	IEEE80211_IS_CHAN_OFDM(_c) \
168 	(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
169 #define	IEEE80211_IS_CHAN_CCK(_c) \
170 	(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
171 #define	IEEE80211_IS_CHAN_XR(_c) \
172 	(((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)
173 
174 /*
175  * EDCA AC parameters.
176  */
177 struct ieee80211_edca_ac_params {
178 	u_int8_t	ac_ecwmin;	/* CWmin = 2^ECWmin - 1 */
179 	u_int8_t	ac_ecwmax;	/* CWmax = 2^ECWmax - 1 */
180 	u_int8_t	ac_aifsn;
181 	u_int16_t	ac_txoplimit;	/* 32TU */
182 #define IEEE80211_TXOP_TO_US(txop)	((txop) * 32)
183 
184 	u_int8_t	ac_acm;
185 };
186 
187 extern const struct ieee80211_edca_ac_params
188 	    ieee80211_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
189 extern const struct ieee80211_edca_ac_params
190 	    ieee80211_qap_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
191 
192 #define IEEE80211_DEFRAG_SIZE	3	/* must be >= 3 according to spec */
193 /*
194  * Entry in the fragment cache.
195  */
196 struct ieee80211_defrag {
197 	struct timeout	df_to;
198 	struct mbuf	*df_m;
199 	u_int16_t	df_seq;
200 	u_int8_t	df_frag;
201 };
202 
203 #define IEEE80211_PROTO_NONE	0
204 #define IEEE80211_PROTO_RSN	(1 << 0)
205 #define IEEE80211_PROTO_WPA	(1 << 1)
206 
207 #define	IEEE80211_SCAN_UNLOCKED	0x0
208 #define	IEEE80211_SCAN_LOCKED	0x1
209 #define	IEEE80211_SCAN_REQUEST	0x2
210 #define	IEEE80211_SCAN_RESUME	0x4
211 
212 #define IEEE80211_GROUP_NKID	6
213 
214 struct ieee80211com {
215 	struct arpcom		ic_ac;
216 	LIST_ENTRY(ieee80211com) ic_list;	/* chain of all ieee80211com */
217 	void			(*ic_recv_mgmt)(struct ieee80211com *,
218 				    struct mbuf *, struct ieee80211_node *,
219 				    struct ieee80211_rxinfo *, int);
220 	int			(*ic_send_mgmt)(struct ieee80211com *,
221 				    struct ieee80211_node *, int, int, int);
222 	int			(*ic_newstate)(struct ieee80211com *,
223 				    enum ieee80211_state, int);
224 	int			(*ic_newauth)(struct ieee80211com *,
225 				    struct ieee80211_node *, int, uint16_t);
226 	void			(*ic_newassoc)(struct ieee80211com *,
227 				    struct ieee80211_node *, int);
228 	void			(*ic_node_leave)(struct ieee80211com *,
229 				    struct ieee80211_node *);
230 	void			(*ic_updateslot)(struct ieee80211com *);
231 	void			(*ic_updateedca)(struct ieee80211com *);
232 	void			(*ic_set_tim)(struct ieee80211com *, int, int);
233 	int			(*ic_set_key)(struct ieee80211com *,
234 				    struct ieee80211_node *,
235 				    struct ieee80211_key *);
236 	void			(*ic_delete_key)(struct ieee80211com *,
237 				    struct ieee80211_node *,
238 				    struct ieee80211_key *);
239 	int			(*ic_ampdu_tx_start)(struct ieee80211com *,
240 				    struct ieee80211_node *, u_int8_t);
241 	void			(*ic_ampdu_tx_stop)(struct ieee80211com *,
242 				    struct ieee80211_node *, u_int8_t);
243 	int			(*ic_ampdu_rx_start)(struct ieee80211com *,
244 				    struct ieee80211_node *, u_int8_t);
245 	void			(*ic_ampdu_rx_stop)(struct ieee80211com *,
246 				    struct ieee80211_node *, u_int8_t);
247 	void			(*ic_updateprot)(struct ieee80211com *);
248 	int			(*ic_bgscan_start)(struct ieee80211com *);
249 	struct timeout		ic_bgscan_timeout;
250 	uint32_t		ic_bgscan_fail;
251 	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
252 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
253 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
254 	u_char			ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
255 	u_char			ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
256 	u_char			ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
257 	struct mbuf_queue	ic_mgtq;
258 	struct mbuf_queue	ic_pwrsaveq;
259 	u_int8_t		ic_scan_count;	/* count scans */
260 	u_int32_t		ic_flags;	/* state flags */
261 	u_int32_t		ic_xflags;	/* more flags */
262 	u_int32_t		ic_userflags;	/* yet more flags */
263 	u_int32_t		ic_caps;	/* capabilities */
264 	u_int16_t		ic_modecaps;	/* set of mode capabilities */
265 	u_int16_t		ic_curmode;	/* current mode */
266 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
267 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
268 	enum ieee80211_state	ic_state;	/* 802.11 state */
269 	u_int32_t		*ic_aid_bitmap;
270 	u_int16_t		ic_max_aid;
271 	enum ieee80211_protmode	ic_protmode;	/* 802.11g/n protection mode */
272 	struct ifmedia		ic_media;	/* interface media config */
273 	caddr_t			ic_rawbpf;	/* packet filter structure */
274 	struct ieee80211_node	*ic_bss;	/* information for this node */
275 	struct ieee80211_channel *ic_ibss_chan;
276 	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
277 	u_int16_t		ic_rtsthreshold;
278 	u_int16_t		ic_fragthreshold;
279 	u_int			ic_scangen;	/* gen# for timeout scan */
280 	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211com *);
281 	void			(*ic_node_free)(struct ieee80211com *,
282 					struct ieee80211_node *);
283 	void			(*ic_node_copy)(struct ieee80211com *,
284 					struct ieee80211_node *,
285 					const struct ieee80211_node *);
286 	u_int8_t		(*ic_node_getrssi)(struct ieee80211com *,
287 					const struct ieee80211_node *);
288 	int			(*ic_node_checkrssi)(struct ieee80211com *,
289 					const struct ieee80211_node *);
290 	u_int8_t		ic_max_rssi;
291 	struct ieee80211_tree	ic_tree;
292 	int			ic_nnodes;	/* length of ic_nnodes */
293 	int			ic_max_nnodes;	/* max length of ic_nnodes */
294 	u_int16_t		ic_lintval;	/* listen interval */
295 	int16_t			ic_txpower;	/* tx power setting (dBm) */
296 	int			ic_bmissthres;	/* beacon miss threshold */
297 	int			ic_mgt_timer;	/* mgmt timeout */
298 #ifndef IEEE80211_STA_ONLY
299 	struct timeout		ic_inact_timeout; /* node inactivity timeout */
300 	struct timeout		ic_node_cache_timeout;
301 #endif
302 	int			ic_des_esslen;
303 	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
304 	struct ieee80211_channel *ic_des_chan;	/* desired channel */
305 	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
306 	struct ieee80211_key	ic_nw_keys[IEEE80211_GROUP_NKID];
307 	int			ic_def_txkey;	/* group data key index */
308 #define ic_wep_txkey	ic_def_txkey
309 	int			ic_igtk_kid;	/* IGTK key index */
310 	u_int32_t		ic_iv;		/* initial vector for wep */
311 	struct ieee80211_stats	ic_stats;	/* statistics */
312 	struct timeval		ic_last_merge_print;	/* for rate-limiting
313 							 * IBSS merge print-outs
314 							 */
315 	struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
316 	u_int			ic_edca_updtcount;
317 	u_int16_t		ic_tid_noack;
318 	u_int8_t		ic_globalcnt[EAPOL_KEY_NONCE_LEN];
319 	u_int8_t		ic_nonce[EAPOL_KEY_NONCE_LEN];
320 	u_int8_t		ic_psk[IEEE80211_PMK_LEN];
321 	struct timeout		ic_rsn_timeout;
322 	time_t			ic_tkip_micfail;
323 	u_int64_t		ic_tkip_micfail_last_tsc;
324 #ifndef IEEE80211_STA_ONLY
325 	struct timeout		ic_tkip_micfail_timeout;
326 #endif
327 
328 	TAILQ_HEAD(, ieee80211_pmk) ic_pmksa;	/* PMKSA cache */
329 	u_int			ic_rsnprotos;
330 	u_int			ic_rsnakms;
331 	u_int			ic_rsnciphers;
332 	enum ieee80211_cipher	ic_rsngroupcipher;
333 	enum ieee80211_cipher	ic_rsngroupmgmtcipher;
334 
335 #ifdef notyet
336 	struct ieee80211_defrag	ic_defrag[IEEE80211_DEFRAG_SIZE];
337 	int			ic_defrag_cur;
338 #endif
339 
340 	u_int8_t		*ic_tim_bitmap;
341 	u_int			ic_tim_len;
342 	u_int			ic_tim_mcast_pending;
343 	u_int			ic_dtim_period;
344 	u_int			ic_dtim_count;
345 
346 	u_int32_t		ic_txbfcaps;
347 	u_int16_t		ic_htcaps;
348 	u_int8_t		ic_ampdu_params;
349 	u_int8_t		ic_sup_mcs[howmany(80, NBBY)];
350 	u_int16_t		ic_max_rxrate;	/* in Mb/s, 0 <= rate <= 1023 */
351 	u_int8_t		ic_tx_mcs_set;
352 	u_int16_t		ic_htxcaps;
353 	u_int8_t		ic_aselcaps;
354 	u_int8_t		ic_dialog_token;
355 	int			ic_fixed_mcs;
356 	TAILQ_HEAD(, ieee80211_ess)	 ic_ess;
357 };
358 #define	ic_if		ic_ac.ac_if
359 #define	ic_softc	ic_if.if_softc
360 
361 /* list of APs we want to automatically use */
362 /* all data is copied from struct ieee80211com */
363 struct ieee80211_ess {
364 	/* nwid */
365 	int			esslen;
366 	u_int8_t		essid[IEEE80211_NWID_LEN];
367 
368 	/* clear/wep/wpa */
369 	u_int32_t		flags;
370 
371 	/* nwkey */
372 	struct ieee80211_key    nw_keys[IEEE80211_GROUP_NKID];
373 	int			def_txkey;
374 
375 	/* wpakey */
376 	u_int8_t		psk[IEEE80211_PMK_LEN];
377 	u_int			rsnprotos;
378 	u_int			rsnakms;
379 	u_int			rsnciphers;
380 	enum ieee80211_cipher	rsngroupcipher;
381 
382 	TAILQ_ENTRY(ieee80211_ess) ess_next;
383 };
384 
385 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
386 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
387 
388 /* ic_flags */
389 #define	IEEE80211_F_ASCAN	0x00000001	/* STATUS: active scan */
390 #define	IEEE80211_F_SIBSS	0x00000002	/* STATUS: start IBSS */
391 #define	IEEE80211_F_WEPON	0x00000100	/* CONF: WEP enabled */
392 #define	IEEE80211_F_IBSSON	0x00000200	/* CONF: IBSS creation enable */
393 #define	IEEE80211_F_PMGTON	0x00000400	/* CONF: Power mgmt enable */
394 #define	IEEE80211_F_DESBSSID	0x00000800	/* CONF: des_bssid is set */
395 #define	IEEE80211_F_ROAMING	0x00002000	/* CONF: roaming enabled */
396 #define	IEEE80211_F_TXPMGT	0x00018000	/* STATUS: tx power */
397 #define IEEE80211_F_TXPOW_OFF	0x00000000	/* TX Power: radio disabled */
398 #define IEEE80211_F_TXPOW_FIXED	0x00008000	/* TX Power: fixed rate */
399 #define IEEE80211_F_TXPOW_AUTO	0x00010000	/* TX Power: undefined */
400 #define	IEEE80211_F_SHSLOT	0x00020000	/* STATUS: short slot time */
401 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: short preamble */
402 #define IEEE80211_F_QOS		0x00080000	/* CONF: QoS enabled */
403 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
404 #define	IEEE80211_F_RSNON	0x00200000	/* CONF: RSN enabled */
405 #define	IEEE80211_F_PSK		0x00400000	/* CONF: pre-shared key set */
406 #define IEEE80211_F_COUNTERM	0x00800000	/* STATUS: countermeasures */
407 #define IEEE80211_F_MFPR	0x01000000	/* CONF: MFP required */
408 #define	IEEE80211_F_HTON	0x02000000	/* CONF: HT enabled */
409 #define	IEEE80211_F_PBAR	0x04000000	/* CONF: PBAC required */
410 #define	IEEE80211_F_BGSCAN	0x08000000	/* STATUS: background scan */
411 #define IEEE80211_F_AUTO_JOIN	0x10000000	/* CONF: auto-join active */
412 #define	IEEE80211_F_VHTON	0x20000000	/* CONF: VHT enabled */
413 
414 /* ic_xflags */
415 #define	IEEE80211_F_TX_MGMT_ONLY 0x00000001	/* leave data frames on ifq */
416 
417 /* ic_caps */
418 #define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
419 #define	IEEE80211_C_IBSS	0x00000002	/* CAPABILITY: IBSS available */
420 #define	IEEE80211_C_PMGT	0x00000004	/* CAPABILITY: Power mgmt */
421 #define	IEEE80211_C_HOSTAP	0x00000008	/* CAPABILITY: HOSTAP avail */
422 #define	IEEE80211_C_AHDEMO	0x00000010	/* CAPABILITY: Old Adhoc Demo */
423 #define	IEEE80211_C_APPMGT	0x00000020	/* CAPABILITY: AP power mgmt */
424 #define	IEEE80211_C_TXPMGT	0x00000040	/* CAPABILITY: tx power mgmt */
425 #define	IEEE80211_C_SHSLOT	0x00000080	/* CAPABILITY: short slottime */
426 #define	IEEE80211_C_SHPREAMBLE	0x00000100	/* CAPABILITY: short preamble */
427 #define	IEEE80211_C_MONITOR	0x00000200	/* CAPABILITY: monitor mode */
428 #define IEEE80211_C_SCANALL	0x00000400	/* CAPABILITY: scan all chan */
429 #define IEEE80211_C_QOS		0x00000800	/* CAPABILITY: QoS avail */
430 #define IEEE80211_C_RSN		0x00001000	/* CAPABILITY: RSN avail */
431 #define IEEE80211_C_MFP		0x00002000	/* CAPABILITY: MFP avail */
432 #define IEEE80211_C_RAWCTL	0x00004000	/* CAPABILITY: raw ctl */
433 #define IEEE80211_C_SCANALLBAND	0x00008000	/* CAPABILITY: scan all bands */
434 #define IEEE80211_C_TX_AMPDU	0x00010000	/* CAPABILITY: send A-MPDU */
435 
436 /* flags for ieee80211_fix_rate() */
437 #define	IEEE80211_F_DOSORT	0x00000001	/* sort rate list */
438 #define	IEEE80211_F_DOFRATE	0x00000002	/* use fixed rate */
439 #define	IEEE80211_F_DONEGO	0x00000004	/* calc negotiated rate */
440 #define	IEEE80211_F_DODEL	0x00000008	/* delete ignore rate */
441 
442 void	ieee80211_ifattach(struct ifnet *);
443 void	ieee80211_ifdetach(struct ifnet *);
444 void	ieee80211_channel_init(struct ifnet *);
445 void	ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
446 int	ieee80211_media_change(struct ifnet *);
447 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
448 int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
449 int	ieee80211_get_rate(struct ieee80211com *);
450 void	ieee80211_watchdog(struct ifnet *);
451 int	ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
452 uint64_t	ieee80211_rate2media(struct ieee80211com *, int,
453 		    enum ieee80211_phymode);
454 int	ieee80211_media2rate(uint64_t);
455 uint64_t	ieee80211_mcs2media(struct ieee80211com *, int,
456 		    enum ieee80211_phymode);
457 int	ieee80211_media2mcs(uint64_t);
458 u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
459 u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
460 u_int	ieee80211_mhz2ieee(u_int, u_int);
461 u_int	ieee80211_chan2ieee(struct ieee80211com *,
462 		const struct ieee80211_channel *);
463 u_int	ieee80211_ieee2mhz(u_int, u_int);
464 int	ieee80211_min_basic_rate(struct ieee80211com *);
465 int	ieee80211_max_basic_rate(struct ieee80211com *);
466 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
467 enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
468 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
469 		const struct ieee80211_channel *);
470 void	ieee80211_disable_wep(struct ieee80211com *);
471 void	ieee80211_disable_rsn(struct ieee80211com *);
472 int	ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
473 void	ieee80211_del_ess(struct ieee80211com *, char *, int, int);
474 void	ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
475 	    struct ieee80211_node *);
476 void	ieee80211_deselect_ess(struct ieee80211com *);
477 struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
478 void	ieee80211_begin_bgscan(struct ifnet *);
479 
480 extern	int ieee80211_cache_size;
481 
482 #endif /* _NET80211_IEEE80211_VAR_H_ */
483