1/*	$OpenBSD: ieee80211_var.h,v 1.111 2022/03/14 15:07:24 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
80enum 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 */
88enum 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
98enum 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 */
111enum 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 */
120struct ieee80211_channel {
121	u_int16_t	ic_freq;	/* setting in MHz */
122	u_int16_t	ic_flags;	/* see below */
123	u_int32_t	ic_xflags;	/* extra flags; see below */
124};
125
126/*
127 * Channel attributes (XXX must keep in sync with radiotap flags).
128 */
129#define IEEE80211_CHAN_CCK	0x0020	/* CCK channel */
130#define IEEE80211_CHAN_OFDM	0x0040	/* OFDM channel */
131#define IEEE80211_CHAN_2GHZ	0x0080	/* 2 GHz spectrum channel */
132#define IEEE80211_CHAN_5GHZ	0x0100	/* 5 GHz spectrum channel */
133#define IEEE80211_CHAN_PASSIVE	0x0200	/* Only passive scan allowed */
134#define IEEE80211_CHAN_DYN	0x0400	/* Dynamic CCK-OFDM channel */
135#define IEEE80211_CHAN_XR	0x1000	/* Extended range OFDM channel */
136#define IEEE80211_CHAN_HT	0x2000	/* 11n/HT channel */
137#define IEEE80211_CHAN_VHT	0x4000	/* 11ac/VHT channel */
138#define IEEE80211_CHAN_40MHZ	0x8000	/* use of 40 MHz is allowed */
139
140/*
141 * Extra channel flags.
142 */
143#define IEEE80211_CHANX_80MHZ	0x00000001 /* use of 80 MHz is allowed */
144#define IEEE80211_CHANX_160MHZ	0x00000002 /* use of 160 MHz is allowed */
145
146/*
147 * Useful combinations of channel characteristics.
148 */
149#define IEEE80211_CHAN_A \
150	(IEEE80211_CHAN_5GHZ | IEEE80211_CHAN_OFDM)
151#define IEEE80211_CHAN_B \
152	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_CCK)
153#define IEEE80211_CHAN_PUREG \
154	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_OFDM)
155#define IEEE80211_CHAN_G \
156	(IEEE80211_CHAN_2GHZ | IEEE80211_CHAN_DYN)
157
158#define	IEEE80211_IS_CHAN_A(_c) \
159	(((_c)->ic_flags & IEEE80211_CHAN_A) == IEEE80211_CHAN_A)
160#define	IEEE80211_IS_CHAN_B(_c) \
161	(((_c)->ic_flags & IEEE80211_CHAN_B) == IEEE80211_CHAN_B)
162#define	IEEE80211_IS_CHAN_PUREG(_c) \
163	(((_c)->ic_flags & IEEE80211_CHAN_PUREG) == IEEE80211_CHAN_PUREG)
164#define	IEEE80211_IS_CHAN_G(_c) \
165	(((_c)->ic_flags & IEEE80211_CHAN_G) == IEEE80211_CHAN_G)
166#define	IEEE80211_IS_CHAN_N(_c) \
167	(((_c)->ic_flags & IEEE80211_CHAN_HT) == IEEE80211_CHAN_HT)
168#define	IEEE80211_IS_CHAN_AC(_c) \
169	(((_c)->ic_flags & IEEE80211_CHAN_VHT) == IEEE80211_CHAN_VHT)
170
171#define	IEEE80211_IS_CHAN_2GHZ(_c) \
172	(((_c)->ic_flags & IEEE80211_CHAN_2GHZ) != 0)
173#define	IEEE80211_IS_CHAN_5GHZ(_c) \
174	(((_c)->ic_flags & IEEE80211_CHAN_5GHZ) != 0)
175#define	IEEE80211_IS_CHAN_OFDM(_c) \
176	(((_c)->ic_flags & IEEE80211_CHAN_OFDM) != 0)
177#define	IEEE80211_IS_CHAN_CCK(_c) \
178	(((_c)->ic_flags & IEEE80211_CHAN_CCK) != 0)
179#define	IEEE80211_IS_CHAN_XR(_c) \
180	(((_c)->ic_flags & IEEE80211_CHAN_XR) != 0)
181
182#define	IEEE80211_CHAN_40MHZ_ALLOWED(_c) \
183	(((_c)->ic_flags & IEEE80211_CHAN_40MHZ) != 0)
184#define	IEEE80211_CHAN_80MHZ_ALLOWED(_c) \
185	(((_c)->ic_xflags & IEEE80211_CHANX_80MHZ) != 0)
186#define	IEEE80211_CHAN_160MHZ_ALLOWED(_c) \
187	(((_c)->ic_xflags & IEEE80211_CHANX_160MHZ) != 0)
188
189/*
190 * EDCA AC parameters.
191 */
192struct ieee80211_edca_ac_params {
193	u_int8_t	ac_ecwmin;	/* CWmin = 2^ECWmin - 1 */
194	u_int8_t	ac_ecwmax;	/* CWmax = 2^ECWmax - 1 */
195	u_int8_t	ac_aifsn;
196	u_int16_t	ac_txoplimit;	/* 32TU */
197#define IEEE80211_TXOP_TO_US(txop)	((txop) * 32)
198
199	u_int8_t	ac_acm;
200};
201
202extern const struct ieee80211_edca_ac_params
203	    ieee80211_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
204extern const struct ieee80211_edca_ac_params
205	    ieee80211_qap_edca_table[IEEE80211_MODE_MAX][EDCA_NUM_AC];
206
207#define IEEE80211_DEFRAG_SIZE	3	/* must be >= 3 according to spec */
208/*
209 * Entry in the fragment cache.
210 */
211struct ieee80211_defrag {
212	struct timeout	df_to;
213	struct mbuf	*df_m;
214	u_int16_t	df_seq;
215	u_int8_t	df_frag;
216};
217
218#define IEEE80211_PROTO_NONE	0
219#define IEEE80211_PROTO_RSN	(1 << 0)
220#define IEEE80211_PROTO_WPA	(1 << 1)
221
222#define	IEEE80211_SCAN_UNLOCKED	0x0
223#define	IEEE80211_SCAN_LOCKED	0x1
224#define	IEEE80211_SCAN_REQUEST	0x2
225#define	IEEE80211_SCAN_RESUME	0x4
226
227#define IEEE80211_GROUP_NKID	6
228
229struct ieee80211_node_switch_bss_arg;
230
231struct ieee80211com {
232	struct {
233		struct 	ifnet ac_if;
234		u_char	ac_enaddr[6];
235	} ic_ac;
236	LIST_ENTRY(ieee80211com) ic_list;	/* chain of all ieee80211com */
237	void			(*ic_recv_mgmt)(struct ieee80211com *,
238				    struct mbuf *, struct ieee80211_node *,
239				    struct ieee80211_rxinfo *, int);
240	int			(*ic_send_mgmt)(struct ieee80211com *,
241				    struct ieee80211_node *, int, int, int);
242	int			(*ic_newstate)(struct ieee80211com *,
243				    enum ieee80211_state, int);
244	int			(*ic_newauth)(struct ieee80211com *,
245				    struct ieee80211_node *, int, uint16_t);
246	void			(*ic_newassoc)(struct ieee80211com *,
247				    struct ieee80211_node *, int);
248	void			(*ic_node_leave)(struct ieee80211com *,
249				    struct ieee80211_node *);
250	void			(*ic_updateslot)(struct ieee80211com *);
251	void			(*ic_updateedca)(struct ieee80211com *);
252	void			(*ic_set_tim)(struct ieee80211com *, int, int);
253	int			(*ic_set_key)(struct ieee80211com *,
254				    struct ieee80211_node *,
255				    struct ieee80211_key *);
256	void			(*ic_delete_key)(struct ieee80211com *,
257				    struct ieee80211_node *,
258				    struct ieee80211_key *);
259	int			(*ic_ampdu_tx_start)(struct ieee80211com *,
260				    struct ieee80211_node *, u_int8_t);
261	void			(*ic_ampdu_tx_stop)(struct ieee80211com *,
262				    struct ieee80211_node *, u_int8_t);
263	int			(*ic_ampdu_rx_start)(struct ieee80211com *,
264				    struct ieee80211_node *, u_int8_t);
265	void			(*ic_ampdu_rx_stop)(struct ieee80211com *,
266				    struct ieee80211_node *, u_int8_t);
267	void			(*ic_updateprot)(struct ieee80211com *);
268	void			(*ic_updatechan)(struct ieee80211com *);
269	void			(*ic_updatedtim)(struct ieee80211com *);
270	int			(*ic_bgscan_start)(struct ieee80211com *);
271	void			(*ic_bgscan_done)(struct ieee80211com *,
272				    struct ieee80211_node_switch_bss_arg *,
273				    size_t);
274	struct timeout		ic_bgscan_timeout;
275	uint32_t		ic_bgscan_fail;
276#ifdef __HAIKU__
277	bigtime_t		ic_last_raise_inact;
278#endif
279	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
280	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
281	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
282	u_char			ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
283	u_char			ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
284	u_char			ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
285	struct mbuf_queue	ic_mgtq;
286	struct mbuf_queue	ic_pwrsaveq;
287	u_int8_t		ic_scan_count;	/* count scans */
288	u_int32_t		ic_flags;	/* state flags */
289	u_int32_t		ic_xflags;	/* more flags */
290	u_int32_t		ic_userflags;	/* yet more flags */
291	u_int32_t		ic_caps;	/* capabilities */
292	u_int16_t		ic_modecaps;	/* set of mode capabilities */
293	u_int16_t		ic_curmode;	/* current mode */
294	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
295	enum ieee80211_opmode	ic_opmode;	/* operation mode */
296	enum ieee80211_state	ic_state;	/* 802.11 state */
297	u_int32_t		*ic_aid_bitmap;
298	u_int16_t		ic_max_aid;
299	enum ieee80211_protmode	ic_protmode;	/* 802.11g/n protection mode */
300	struct ifmedia		ic_media;	/* interface media config */
301	caddr_t			ic_rawbpf;	/* packet filter structure */
302	struct ieee80211_node	*ic_bss;	/* information for this node */
303	struct ieee80211_channel *ic_ibss_chan;
304	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
305	u_int16_t		ic_rtsthreshold;
306	u_int16_t		ic_fragthreshold;
307	u_int			ic_scangen;	/* gen# for timeout scan */
308	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211com *);
309	void			(*ic_node_free)(struct ieee80211com *,
310					struct ieee80211_node *);
311	void			(*ic_node_copy)(struct ieee80211com *,
312					struct ieee80211_node *,
313					const struct ieee80211_node *);
314	u_int8_t		(*ic_node_getrssi)(struct ieee80211com *,
315					const struct ieee80211_node *);
316	int			(*ic_node_checkrssi)(struct ieee80211com *,
317					const struct ieee80211_node *);
318	u_int8_t		ic_max_rssi;
319	struct ieee80211_tree	ic_tree;
320	int			ic_nnodes;	/* length of ic_nnodes */
321	int			ic_max_nnodes;	/* max length of ic_nnodes */
322	u_int16_t		ic_lintval;	/* listen interval */
323	int16_t			ic_txpower;	/* tx power setting (dBm) */
324	int			ic_bmissthres;	/* beacon miss threshold */
325	int			ic_mgt_timer;	/* mgmt timeout */
326#ifndef IEEE80211_STA_ONLY
327	struct timeout		ic_inact_timeout; /* node inactivity timeout */
328	struct timeout		ic_node_cache_timeout;
329#endif
330	struct task		ic_rtm_80211info_task;
331	int			ic_des_esslen;
332	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
333	struct ieee80211_channel *ic_des_chan;	/* desired channel */
334	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
335	struct ieee80211_key	ic_nw_keys[IEEE80211_GROUP_NKID];
336	int			ic_def_txkey;	/* group data key index */
337#define ic_wep_txkey	ic_def_txkey
338	int			ic_igtk_kid;	/* IGTK key index */
339	u_int32_t		ic_iv;		/* initial vector for wep */
340	struct ieee80211_stats	ic_stats;	/* statistics */
341	struct timeval		ic_last_merge_print;	/* for rate-limiting
342							 * IBSS merge print-outs
343							 */
344	struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
345	u_int			ic_edca_updtcount;
346	u_int16_t		ic_tid_noack;
347	u_int8_t		ic_globalcnt[EAPOL_KEY_NONCE_LEN];
348	u_int8_t		ic_nonce[EAPOL_KEY_NONCE_LEN];
349	u_int8_t		ic_psk[IEEE80211_PMK_LEN];
350	struct timeout		ic_rsn_timeout;
351	time_t			ic_tkip_micfail;
352	u_int64_t		ic_tkip_micfail_last_tsc;
353#ifndef IEEE80211_STA_ONLY
354	struct timeout		ic_tkip_micfail_timeout;
355#endif
356
357	TAILQ_HEAD(, ieee80211_pmk) ic_pmksa;	/* PMKSA cache */
358	u_int			ic_rsnprotos;
359	u_int			ic_rsnakms;
360	u_int			ic_rsnciphers;
361	enum ieee80211_cipher	ic_rsngroupcipher;
362	enum ieee80211_cipher	ic_rsngroupmgmtcipher;
363
364#ifdef notyet
365	struct ieee80211_defrag	ic_defrag[IEEE80211_DEFRAG_SIZE];
366	int			ic_defrag_cur;
367#endif
368
369	u_int8_t		*ic_tim_bitmap;
370	u_int			ic_tim_len;
371	u_int			ic_tim_mcast_pending;
372	u_int			ic_dtim_period;
373	u_int			ic_dtim_count;
374
375	u_int32_t		ic_txbfcaps;
376	u_int16_t		ic_htcaps;
377	u_int8_t		ic_ampdu_params;
378	u_int8_t		ic_sup_mcs[howmany(80, NBBY)];
379	u_int16_t		ic_max_rxrate;	/* in Mb/s, 0 <= rate <= 1023 */
380	u_int8_t		ic_tx_mcs_set;
381	u_int16_t		ic_htxcaps;
382	u_int8_t		ic_aselcaps;
383	u_int8_t		ic_dialog_token;
384	int			ic_fixed_mcs;
385
386	uint32_t		ic_vhtcaps;
387	uint16_t		ic_vht_rxmcs;
388	uint16_t		ic_vht_rx_max_lgi_mbit_s;
389	uint16_t		ic_vht_txmcs;
390	uint16_t		ic_vht_tx_max_lgi_mbit_s;
391
392	TAILQ_HEAD(, ieee80211_ess)	 ic_ess;
393};
394#define	ic_if		ic_ac.ac_if
395#define	ic_softc	ic_if.if_softc
396
397/* list of APs we want to automatically use */
398/* all data is copied from struct ieee80211com */
399struct ieee80211_ess {
400	/* nwid */
401	int			esslen;
402	u_int8_t		essid[IEEE80211_NWID_LEN];
403
404	/* clear/wep/wpa */
405	u_int32_t		flags;
406
407	/* nwkey */
408	struct ieee80211_key    nw_keys[IEEE80211_GROUP_NKID];
409	int			def_txkey;
410
411	/* wpakey */
412	u_int8_t		psk[IEEE80211_PMK_LEN];
413	u_int			rsnprotos;
414	u_int			rsnakms;
415	u_int			rsnciphers;
416	enum ieee80211_cipher	rsngroupcipher;
417
418	TAILQ_ENTRY(ieee80211_ess) ess_next;
419};
420
421#define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
422#define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
423
424/* ic_flags */
425#define	IEEE80211_F_ASCAN	0x00000001	/* STATUS: active scan */
426#define	IEEE80211_F_SIBSS	0x00000002	/* STATUS: start IBSS */
427#define	IEEE80211_F_WEPON	0x00000100	/* CONF: WEP enabled */
428#define	IEEE80211_F_IBSSON	0x00000200	/* CONF: IBSS creation enable */
429#define	IEEE80211_F_PMGTON	0x00000400	/* CONF: Power mgmt enable */
430#define	IEEE80211_F_DESBSSID	0x00000800	/* CONF: des_bssid is set */
431#define	IEEE80211_F_ROAMING	0x00002000	/* CONF: roaming enabled */
432#define	IEEE80211_F_TXPMGT	0x00018000	/* STATUS: tx power */
433#define IEEE80211_F_TXPOW_OFF	0x00000000	/* TX Power: radio disabled */
434#define IEEE80211_F_TXPOW_FIXED	0x00008000	/* TX Power: fixed rate */
435#define IEEE80211_F_TXPOW_AUTO	0x00010000	/* TX Power: undefined */
436#define	IEEE80211_F_SHSLOT	0x00020000	/* STATUS: short slot time */
437#define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: short preamble */
438#define IEEE80211_F_QOS		0x00080000	/* CONF: QoS enabled */
439#define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
440#define	IEEE80211_F_RSNON	0x00200000	/* CONF: RSN enabled */
441#define	IEEE80211_F_PSK		0x00400000	/* CONF: pre-shared key set */
442#define IEEE80211_F_COUNTERM	0x00800000	/* STATUS: countermeasures */
443#define IEEE80211_F_MFPR	0x01000000	/* CONF: MFP required */
444#define	IEEE80211_F_HTON	0x02000000	/* CONF: HT enabled */
445#define	IEEE80211_F_PBAR	0x04000000	/* CONF: PBAC required */
446#define	IEEE80211_F_BGSCAN	0x08000000	/* STATUS: background scan */
447#define IEEE80211_F_AUTO_JOIN	0x10000000	/* CONF: auto-join active */
448#define	IEEE80211_F_VHTON	0x20000000	/* CONF: VHT enabled */
449
450/* ic_xflags */
451#define	IEEE80211_F_TX_MGMT_ONLY 0x00000001	/* leave data frames on ifq */
452
453/* ic_caps */
454#define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
455#define	IEEE80211_C_IBSS	0x00000002	/* CAPABILITY: IBSS available */
456#define	IEEE80211_C_PMGT	0x00000004	/* CAPABILITY: Power mgmt */
457#define	IEEE80211_C_HOSTAP	0x00000008	/* CAPABILITY: HOSTAP avail */
458#define	IEEE80211_C_AHDEMO	0x00000010	/* CAPABILITY: Old Adhoc Demo */
459#define	IEEE80211_C_APPMGT	0x00000020	/* CAPABILITY: AP power mgmt */
460#define	IEEE80211_C_TXPMGT	0x00000040	/* CAPABILITY: tx power mgmt */
461#define	IEEE80211_C_SHSLOT	0x00000080	/* CAPABILITY: short slottime */
462#define	IEEE80211_C_SHPREAMBLE	0x00000100	/* CAPABILITY: short preamble */
463#define	IEEE80211_C_MONITOR	0x00000200	/* CAPABILITY: monitor mode */
464#define IEEE80211_C_SCANALL	0x00000400	/* CAPABILITY: scan all chan */
465#define IEEE80211_C_QOS		0x00000800	/* CAPABILITY: QoS avail */
466#define IEEE80211_C_RSN		0x00001000	/* CAPABILITY: RSN avail */
467#define IEEE80211_C_MFP		0x00002000	/* CAPABILITY: MFP avail */
468#define IEEE80211_C_RAWCTL	0x00004000	/* CAPABILITY: raw ctl */
469#define IEEE80211_C_SCANALLBAND	0x00008000	/* CAPABILITY: scan all bands */
470#define IEEE80211_C_TX_AMPDU	0x00010000	/* CAPABILITY: send A-MPDU */
471#define IEEE80211_C_ADDBA_OFFLOAD 0x00020000	/* CAPABILITY: ADDBA offload */
472
473/* flags for ieee80211_fix_rate() */
474#define	IEEE80211_F_DOSORT	0x00000001	/* sort rate list */
475#define	IEEE80211_F_DOFRATE	0x00000002	/* use fixed rate */
476#define	IEEE80211_F_DONEGO	0x00000004	/* calc negotiated rate */
477#define	IEEE80211_F_DODEL	0x00000008	/* delete ignore rate */
478
479void	ieee80211_ifattach(struct ifnet *);
480void	ieee80211_ifdetach(struct ifnet *);
481void	ieee80211_channel_init(struct ifnet *);
482void	ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
483int	ieee80211_media_change(struct ifnet *);
484void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
485int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
486int	ieee80211_get_rate(struct ieee80211com *);
487void	ieee80211_watchdog(struct ifnet *);
488int	ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
489uint64_t	ieee80211_rate2media(struct ieee80211com *, int,
490		    enum ieee80211_phymode);
491int	ieee80211_media2rate(uint64_t);
492uint64_t	ieee80211_mcs2media(struct ieee80211com *, int,
493		    enum ieee80211_phymode);
494int	ieee80211_media2mcs(uint64_t);
495u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
496u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
497u_int	ieee80211_mhz2ieee(u_int, u_int);
498u_int	ieee80211_chan2ieee(struct ieee80211com *,
499		const struct ieee80211_channel *);
500u_int	ieee80211_ieee2mhz(u_int, u_int);
501int	ieee80211_min_basic_rate(struct ieee80211com *);
502int	ieee80211_max_basic_rate(struct ieee80211com *);
503int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
504enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
505enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
506		const struct ieee80211_channel *);
507void	ieee80211_disable_wep(struct ieee80211com *);
508void	ieee80211_disable_rsn(struct ieee80211com *);
509int	ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
510void	ieee80211_del_ess(struct ieee80211com *, char *, int, int);
511void	ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
512	    struct ieee80211_node *);
513void	ieee80211_deselect_ess(struct ieee80211com *);
514struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
515void	ieee80211_begin_bgscan(struct ifnet *);
516
517extern	int ieee80211_cache_size;
518
519#endif /* _NET80211_IEEE80211_VAR_H_ */
520