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 arpcom		ic_ac;
233	LIST_ENTRY(ieee80211com) ic_list;	/* chain of all ieee80211com */
234	void			(*ic_recv_mgmt)(struct ieee80211com *,
235				    struct mbuf *, struct ieee80211_node *,
236				    struct ieee80211_rxinfo *, int);
237	int			(*ic_send_mgmt)(struct ieee80211com *,
238				    struct ieee80211_node *, int, int, int);
239	int			(*ic_newstate)(struct ieee80211com *,
240				    enum ieee80211_state, int);
241	int			(*ic_newauth)(struct ieee80211com *,
242				    struct ieee80211_node *, int, uint16_t);
243	void			(*ic_newassoc)(struct ieee80211com *,
244				    struct ieee80211_node *, int);
245	void			(*ic_node_leave)(struct ieee80211com *,
246				    struct ieee80211_node *);
247	void			(*ic_updateslot)(struct ieee80211com *);
248	void			(*ic_updateedca)(struct ieee80211com *);
249	void			(*ic_set_tim)(struct ieee80211com *, int, int);
250	int			(*ic_set_key)(struct ieee80211com *,
251				    struct ieee80211_node *,
252				    struct ieee80211_key *);
253	void			(*ic_delete_key)(struct ieee80211com *,
254				    struct ieee80211_node *,
255				    struct ieee80211_key *);
256	int			(*ic_ampdu_tx_start)(struct ieee80211com *,
257				    struct ieee80211_node *, u_int8_t);
258	void			(*ic_ampdu_tx_stop)(struct ieee80211com *,
259				    struct ieee80211_node *, u_int8_t);
260	int			(*ic_ampdu_rx_start)(struct ieee80211com *,
261				    struct ieee80211_node *, u_int8_t);
262	void			(*ic_ampdu_rx_stop)(struct ieee80211com *,
263				    struct ieee80211_node *, u_int8_t);
264	void			(*ic_updateprot)(struct ieee80211com *);
265	void			(*ic_updatechan)(struct ieee80211com *);
266	void			(*ic_updatedtim)(struct ieee80211com *);
267	int			(*ic_bgscan_start)(struct ieee80211com *);
268	void			(*ic_bgscan_done)(struct ieee80211com *,
269				    struct ieee80211_node_switch_bss_arg *,
270				    size_t);
271	struct timeout		ic_bgscan_timeout;
272	uint32_t		ic_bgscan_fail;
273	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
274	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
275	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
276	u_char			ic_chan_avail[howmany(IEEE80211_CHAN_MAX,NBBY)];
277	u_char			ic_chan_active[howmany(IEEE80211_CHAN_MAX, NBBY)];
278	u_char			ic_chan_scan[howmany(IEEE80211_CHAN_MAX,NBBY)];
279	struct mbuf_queue	ic_mgtq;
280	struct mbuf_queue	ic_pwrsaveq;
281	u_int8_t		ic_scan_count;	/* count scans */
282	u_int32_t		ic_flags;	/* state flags */
283	u_int32_t		ic_xflags;	/* more flags */
284	u_int32_t		ic_userflags;	/* yet more flags */
285	u_int32_t		ic_caps;	/* capabilities */
286	u_int16_t		ic_modecaps;	/* set of mode capabilities */
287	u_int16_t		ic_curmode;	/* current mode */
288	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
289	enum ieee80211_opmode	ic_opmode;	/* operation mode */
290	enum ieee80211_state	ic_state;	/* 802.11 state */
291	u_int32_t		*ic_aid_bitmap;
292	u_int16_t		ic_max_aid;
293	enum ieee80211_protmode	ic_protmode;	/* 802.11g/n protection mode */
294	struct ifmedia		ic_media;	/* interface media config */
295	caddr_t			ic_rawbpf;	/* packet filter structure */
296	struct ieee80211_node	*ic_bss;	/* information for this node */
297	struct ieee80211_channel *ic_ibss_chan;
298	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
299	u_int16_t		ic_rtsthreshold;
300	u_int16_t		ic_fragthreshold;
301	u_int			ic_scangen;	/* gen# for timeout scan */
302	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211com *);
303	void			(*ic_node_free)(struct ieee80211com *,
304					struct ieee80211_node *);
305	void			(*ic_node_copy)(struct ieee80211com *,
306					struct ieee80211_node *,
307					const struct ieee80211_node *);
308	u_int8_t		(*ic_node_getrssi)(struct ieee80211com *,
309					const struct ieee80211_node *);
310	int			(*ic_node_checkrssi)(struct ieee80211com *,
311					const struct ieee80211_node *);
312	u_int8_t		ic_max_rssi;
313	struct ieee80211_tree	ic_tree;
314	int			ic_nnodes;	/* length of ic_nnodes */
315	int			ic_max_nnodes;	/* max length of ic_nnodes */
316	u_int16_t		ic_lintval;	/* listen interval */
317	int16_t			ic_txpower;	/* tx power setting (dBm) */
318	int			ic_bmissthres;	/* beacon miss threshold */
319	int			ic_mgt_timer;	/* mgmt timeout */
320#ifndef IEEE80211_STA_ONLY
321	struct timeout		ic_inact_timeout; /* node inactivity timeout */
322	struct timeout		ic_node_cache_timeout;
323#endif
324	struct task		ic_rtm_80211info_task;
325	int			ic_des_esslen;
326	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
327	struct ieee80211_channel *ic_des_chan;	/* desired channel */
328	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
329	struct ieee80211_key	ic_nw_keys[IEEE80211_GROUP_NKID];
330	int			ic_def_txkey;	/* group data key index */
331#define ic_wep_txkey	ic_def_txkey
332	int			ic_igtk_kid;	/* IGTK key index */
333	u_int32_t		ic_iv;		/* initial vector for wep */
334	struct ieee80211_stats	ic_stats;	/* statistics */
335	struct timeval		ic_last_merge_print;	/* for rate-limiting
336							 * IBSS merge print-outs
337							 */
338	struct ieee80211_edca_ac_params ic_edca_ac[EDCA_NUM_AC];
339	u_int			ic_edca_updtcount;
340	u_int16_t		ic_tid_noack;
341	u_int8_t		ic_globalcnt[EAPOL_KEY_NONCE_LEN];
342	u_int8_t		ic_nonce[EAPOL_KEY_NONCE_LEN];
343	u_int8_t		ic_psk[IEEE80211_PMK_LEN];
344	struct timeout		ic_rsn_timeout;
345	time_t			ic_tkip_micfail;
346	u_int64_t		ic_tkip_micfail_last_tsc;
347#ifndef IEEE80211_STA_ONLY
348	struct timeout		ic_tkip_micfail_timeout;
349#endif
350
351	TAILQ_HEAD(, ieee80211_pmk) ic_pmksa;	/* PMKSA cache */
352	u_int			ic_rsnprotos;
353	u_int			ic_rsnakms;
354	u_int			ic_rsnciphers;
355	enum ieee80211_cipher	ic_rsngroupcipher;
356	enum ieee80211_cipher	ic_rsngroupmgmtcipher;
357
358#ifdef notyet
359	struct ieee80211_defrag	ic_defrag[IEEE80211_DEFRAG_SIZE];
360	int			ic_defrag_cur;
361#endif
362
363	u_int8_t		*ic_tim_bitmap;
364	u_int			ic_tim_len;
365	u_int			ic_tim_mcast_pending;
366	u_int			ic_dtim_period;
367	u_int			ic_dtim_count;
368
369	u_int32_t		ic_txbfcaps;
370	u_int16_t		ic_htcaps;
371	u_int8_t		ic_ampdu_params;
372	u_int8_t		ic_sup_mcs[howmany(80, NBBY)];
373	u_int16_t		ic_max_rxrate;	/* in Mb/s, 0 <= rate <= 1023 */
374	u_int8_t		ic_tx_mcs_set;
375	u_int16_t		ic_htxcaps;
376	u_int8_t		ic_aselcaps;
377	u_int8_t		ic_dialog_token;
378	int			ic_fixed_mcs;
379
380	uint32_t		ic_vhtcaps;
381	uint16_t		ic_vht_rxmcs;
382	uint16_t		ic_vht_rx_max_lgi_mbit_s;
383	uint16_t		ic_vht_txmcs;
384	uint16_t		ic_vht_tx_max_lgi_mbit_s;
385
386	TAILQ_HEAD(, ieee80211_ess)	 ic_ess;
387};
388#define	ic_if		ic_ac.ac_if
389#define	ic_softc	ic_if.if_softc
390
391/* list of APs we want to automatically use */
392/* all data is copied from struct ieee80211com */
393struct ieee80211_ess {
394	/* nwid */
395	int			esslen;
396	u_int8_t		essid[IEEE80211_NWID_LEN];
397
398	/* clear/wep/wpa */
399	u_int32_t		flags;
400
401	/* nwkey */
402	struct ieee80211_key    nw_keys[IEEE80211_GROUP_NKID];
403	int			def_txkey;
404
405	/* wpakey */
406	u_int8_t		psk[IEEE80211_PMK_LEN];
407	u_int			rsnprotos;
408	u_int			rsnakms;
409	u_int			rsnciphers;
410	enum ieee80211_cipher	rsngroupcipher;
411
412	TAILQ_ENTRY(ieee80211_ess) ess_next;
413};
414
415#define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
416#define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
417
418/* ic_flags */
419#define	IEEE80211_F_ASCAN	0x00000001	/* STATUS: active scan */
420#define	IEEE80211_F_SIBSS	0x00000002	/* STATUS: start IBSS */
421#define	IEEE80211_F_WEPON	0x00000100	/* CONF: WEP enabled */
422#define	IEEE80211_F_IBSSON	0x00000200	/* CONF: IBSS creation enable */
423#define	IEEE80211_F_PMGTON	0x00000400	/* CONF: Power mgmt enable */
424#define	IEEE80211_F_DESBSSID	0x00000800	/* CONF: des_bssid is set */
425#define	IEEE80211_F_ROAMING	0x00002000	/* CONF: roaming enabled */
426#define	IEEE80211_F_TXPMGT	0x00018000	/* STATUS: tx power */
427#define IEEE80211_F_TXPOW_OFF	0x00000000	/* TX Power: radio disabled */
428#define IEEE80211_F_TXPOW_FIXED	0x00008000	/* TX Power: fixed rate */
429#define IEEE80211_F_TXPOW_AUTO	0x00010000	/* TX Power: undefined */
430#define	IEEE80211_F_SHSLOT	0x00020000	/* STATUS: short slot time */
431#define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: short preamble */
432#define IEEE80211_F_QOS		0x00080000	/* CONF: QoS enabled */
433#define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
434#define	IEEE80211_F_RSNON	0x00200000	/* CONF: RSN enabled */
435#define	IEEE80211_F_PSK		0x00400000	/* CONF: pre-shared key set */
436#define IEEE80211_F_COUNTERM	0x00800000	/* STATUS: countermeasures */
437#define IEEE80211_F_MFPR	0x01000000	/* CONF: MFP required */
438#define	IEEE80211_F_HTON	0x02000000	/* CONF: HT enabled */
439#define	IEEE80211_F_PBAR	0x04000000	/* CONF: PBAC required */
440#define	IEEE80211_F_BGSCAN	0x08000000	/* STATUS: background scan */
441#define IEEE80211_F_AUTO_JOIN	0x10000000	/* CONF: auto-join active */
442#define	IEEE80211_F_VHTON	0x20000000	/* CONF: VHT enabled */
443
444/* ic_xflags */
445#define	IEEE80211_F_TX_MGMT_ONLY 0x00000001	/* leave data frames on ifq */
446
447/* ic_caps */
448#define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
449#define	IEEE80211_C_IBSS	0x00000002	/* CAPABILITY: IBSS available */
450#define	IEEE80211_C_PMGT	0x00000004	/* CAPABILITY: Power mgmt */
451#define	IEEE80211_C_HOSTAP	0x00000008	/* CAPABILITY: HOSTAP avail */
452#define	IEEE80211_C_AHDEMO	0x00000010	/* CAPABILITY: Old Adhoc Demo */
453#define	IEEE80211_C_APPMGT	0x00000020	/* CAPABILITY: AP power mgmt */
454#define	IEEE80211_C_TXPMGT	0x00000040	/* CAPABILITY: tx power mgmt */
455#define	IEEE80211_C_SHSLOT	0x00000080	/* CAPABILITY: short slottime */
456#define	IEEE80211_C_SHPREAMBLE	0x00000100	/* CAPABILITY: short preamble */
457#define	IEEE80211_C_MONITOR	0x00000200	/* CAPABILITY: monitor mode */
458#define IEEE80211_C_SCANALL	0x00000400	/* CAPABILITY: scan all chan */
459#define IEEE80211_C_QOS		0x00000800	/* CAPABILITY: QoS avail */
460#define IEEE80211_C_RSN		0x00001000	/* CAPABILITY: RSN avail */
461#define IEEE80211_C_MFP		0x00002000	/* CAPABILITY: MFP avail */
462#define IEEE80211_C_RAWCTL	0x00004000	/* CAPABILITY: raw ctl */
463#define IEEE80211_C_SCANALLBAND	0x00008000	/* CAPABILITY: scan all bands */
464#define IEEE80211_C_TX_AMPDU	0x00010000	/* CAPABILITY: send A-MPDU */
465#define IEEE80211_C_ADDBA_OFFLOAD 0x00020000	/* CAPABILITY: ADDBA offload */
466
467/* flags for ieee80211_fix_rate() */
468#define	IEEE80211_F_DOSORT	0x00000001	/* sort rate list */
469#define	IEEE80211_F_DOFRATE	0x00000002	/* use fixed rate */
470#define	IEEE80211_F_DONEGO	0x00000004	/* calc negotiated rate */
471#define	IEEE80211_F_DODEL	0x00000008	/* delete ignore rate */
472
473void	ieee80211_ifattach(struct ifnet *);
474void	ieee80211_ifdetach(struct ifnet *);
475void	ieee80211_channel_init(struct ifnet *);
476void	ieee80211_media_init(struct ifnet *, ifm_change_cb_t, ifm_stat_cb_t);
477int	ieee80211_media_change(struct ifnet *);
478void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
479int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
480int	ieee80211_get_rate(struct ieee80211com *);
481void	ieee80211_watchdog(struct ifnet *);
482int	ieee80211_fix_rate(struct ieee80211com *, struct ieee80211_node *, int);
483uint64_t	ieee80211_rate2media(struct ieee80211com *, int,
484		    enum ieee80211_phymode);
485int	ieee80211_media2rate(uint64_t);
486uint64_t	ieee80211_mcs2media(struct ieee80211com *, int,
487		    enum ieee80211_phymode);
488int	ieee80211_media2mcs(uint64_t);
489u_int8_t ieee80211_rate2plcp(u_int8_t, enum ieee80211_phymode);
490u_int8_t ieee80211_plcp2rate(u_int8_t, enum ieee80211_phymode);
491u_int	ieee80211_mhz2ieee(u_int, u_int);
492u_int	ieee80211_chan2ieee(struct ieee80211com *,
493		const struct ieee80211_channel *);
494u_int	ieee80211_ieee2mhz(u_int, u_int);
495int	ieee80211_min_basic_rate(struct ieee80211com *);
496int	ieee80211_max_basic_rate(struct ieee80211com *);
497int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
498enum ieee80211_phymode ieee80211_next_mode(struct ifnet *);
499enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
500		const struct ieee80211_channel *);
501void	ieee80211_disable_wep(struct ieee80211com *);
502void	ieee80211_disable_rsn(struct ieee80211com *);
503int	ieee80211_add_ess(struct ieee80211com *, struct ieee80211_join *);
504void	ieee80211_del_ess(struct ieee80211com *, char *, int, int);
505void	ieee80211_set_ess(struct ieee80211com *, struct ieee80211_ess *,
506	    struct ieee80211_node *);
507void	ieee80211_deselect_ess(struct ieee80211com *);
508struct ieee80211_ess *ieee80211_get_ess(struct ieee80211com *, const char *, int);
509void	ieee80211_begin_bgscan(struct ifnet *);
510
511extern	int ieee80211_cache_size;
512
513#endif /* _NET80211_IEEE80211_VAR_H_ */
514