ieee80211_var.h revision 165822
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2 as published by the Free
19 * Software Foundation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD: head/sys/net80211/ieee80211_var.h 165822 2007-01-06 02:56:41Z kmacy $
33 */
34#ifndef _NET80211_IEEE80211_VAR_H_
35#define _NET80211_IEEE80211_VAR_H_
36
37/*
38 * Definitions for IEEE 802.11 drivers.
39 */
40#define	IEEE80211_DEBUG
41#undef	IEEE80211_DEBUG_REFCNT			/* node refcnt stuff */
42
43/* NB: portability glue must go first */
44#ifdef __NetBSD__
45#include <net80211/ieee80211_netbsd.h>
46#elif __FreeBSD__
47#include <net80211/ieee80211_freebsd.h>
48#elif __linux__
49#include <net80211/ieee80211_linux.h>
50#else
51#error	"No support for your operating system!"
52#endif
53
54#include <net80211/_ieee80211.h>
55#include <net80211/ieee80211.h>
56#include <net80211/ieee80211_crypto.h>
57#include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
58#include <net80211/ieee80211_node.h>
59#include <net80211/ieee80211_proto.h>
60
61#define	IEEE80211_TXPOWER_MAX	100	/* .5 dbM (XXX units?) */
62#define	IEEE80211_TXPOWER_MIN	0	/* kill radio */
63
64#define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
65#define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
66
67#define	IEEE80211_BMISS_MAX	2	/* maximum consecutive bmiss allowed */
68#define	IEEE80211_HWBMISS_DEFAULT 7	/* h/w bmiss threshold (beacons) */
69
70#define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
71#define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
72
73#define	IEEE80211_FIXED_RATE_NONE	-1
74#define	IEEE80211_MCAST_RATE_DEFAULT	(2*1)	/* default mcast rate (1M) */
75
76#define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
77#define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
78
79#define	IEEE80211_MS_TO_TU(x)	(((x) * 1024) / 1000)
80#define	IEEE80211_TU_TO_MS(x)	(((x) * 1000) / 1024)
81#define	IEEE80211_TU_TO_TICKS(x)(((x) * hz) / 1024)
82
83struct ieee80211_aclator;
84struct sysctl_ctx_list;
85
86struct ieee80211com {
87	SLIST_ENTRY(ieee80211com) ic_next;
88	struct ifnet		*ic_ifp;	/* associated device */
89	struct ieee80211_stats	ic_stats;	/* statistics */
90	struct sysctl_ctx_list	*ic_sysctl;	/* dynamic sysctl context */
91	u_int32_t		ic_debug;	/* debug msg flags */
92	int			ic_vap;		/* virtual AP index */
93	ieee80211_beacon_lock_t	ic_beaconlock;	/* beacon update lock */
94
95	int			(*ic_reset)(struct ifnet *);
96	void			(*ic_recv_mgmt)(struct ieee80211com *,
97				    struct mbuf *, struct ieee80211_node *,
98				    int, int, u_int32_t);
99	int			(*ic_send_mgmt)(struct ieee80211com *,
100				    struct ieee80211_node *, int, int);
101	int			(*ic_newstate)(struct ieee80211com *,
102				    enum ieee80211_state, int);
103	void			(*ic_newassoc)(struct ieee80211_node *, int);
104	void			(*ic_updateslot)(struct ifnet *);
105	void			(*ic_set_tim)(struct ieee80211_node *, int);
106	int			(*ic_raw_xmit)(struct ieee80211_node *,
107				    struct mbuf *,
108				    const struct ieee80211_bpf_params *);
109	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
110	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
111	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
112	u_int8_t		ic_chan_avail[IEEE80211_CHAN_BYTES];
113	u_int8_t		ic_chan_active[IEEE80211_CHAN_BYTES];
114	u_int8_t		ic_chan_scan[IEEE80211_CHAN_BYTES];
115	struct ieee80211_node_table ic_scan;	/* scan candidates */
116	struct ifqueue		ic_mgtq;
117	u_int32_t		ic_flags;	/* state flags */
118	u_int32_t		ic_flags_ext;	/* extended state flags */
119	u_int32_t		ic_caps;	/* capabilities */
120	u_int16_t		ic_modecaps;	/* set of mode capabilities */
121	u_int16_t		ic_curmode;	/* current mode */
122	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
123	enum ieee80211_opmode	ic_opmode;	/* operation mode */
124	enum ieee80211_state	ic_state;	/* 802.11 state */
125	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
126	enum ieee80211_roamingmode ic_roaming;	/* roaming mode */
127	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
128	u_int32_t		*ic_aid_bitmap;	/* association id map */
129	u_int16_t		ic_max_aid;
130	u_int16_t		ic_sta_assoc;	/* stations associated */
131	u_int16_t		ic_ps_sta;	/* stations in power save */
132	u_int16_t		ic_ps_pending;	/* ps sta's w/ pending frames */
133	u_int8_t		*ic_tim_bitmap;	/* power-save stations w/ data*/
134	u_int16_t		ic_tim_len;	/* ic_tim_bitmap size (bytes) */
135	u_int8_t		ic_dtim_period;	/* DTIM period */
136	u_int8_t		ic_dtim_count;	/* DTIM count for last bcn */
137	struct ifmedia		ic_media;	/* interface media config */
138	struct bpf_if		*ic_rawbpf;	/* packet filter structure */
139	struct ieee80211_node	*ic_bss;	/* information for this node */
140	struct ieee80211_channel *ic_ibss_chan;
141	struct ieee80211_channel *ic_curchan;	/* current channel */
142	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
143	int			ic_mcast_rate;	/* rate for mcast frames */
144	u_int16_t		ic_rtsthreshold;
145	u_int16_t		ic_fragthreshold;
146	u_int8_t		ic_bmissthreshold;
147	u_int8_t		ic_bmiss_count;	/* current beacon miss count */
148	int			ic_bmiss_max;	/* max bmiss before scan */
149	u_int16_t		ic_swbmiss_count;/* beacons in last period */
150	u_int16_t		ic_swbmiss_period;/* s/w bmiss period */
151	struct callout		ic_swbmiss;	/* s/w beacon miss timer */
152	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211_node_table*);
153	void			(*ic_node_free)(struct ieee80211_node *);
154	void			(*ic_node_cleanup)(struct ieee80211_node *);
155	u_int8_t		(*ic_node_getrssi)(const struct ieee80211_node*);
156	u_int16_t		ic_lintval;	/* listen interval */
157	u_int16_t		ic_bintval;	/* beacon interval */
158	u_int16_t		ic_holdover;	/* PM hold over duration */
159	u_int16_t		ic_txmin;	/* min tx retry count */
160	u_int16_t		ic_txmax;	/* max tx retry count */
161	u_int16_t		ic_txlifetime;	/* tx lifetime */
162	u_int16_t		ic_txpowlimit;	/* global tx power limit */
163	u_int16_t		ic_nonerpsta;	/* # non-ERP stations */
164	u_int16_t		ic_longslotsta;	/* # long slot time stations */
165	int			ic_mgt_timer;	/* mgmt timeout */
166	int			ic_inact_timer;	/* inactivity timer wait */
167	int			ic_des_esslen;
168	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
169	struct ieee80211_channel *ic_des_chan;	/* desired channel */
170	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
171	void			*ic_opt_ie;	/* user-specified IE's */
172	u_int16_t		ic_opt_ie_len;	/* length of ni_opt_ie */
173	/*
174	 * Inactivity timer settings for nodes.
175	 */
176	int			ic_inact_init;	/* initial setting */
177	int			ic_inact_auth;	/* auth but not assoc setting */
178	int			ic_inact_run;	/* authorized setting */
179	int			ic_inact_probe;	/* inactive probe time */
180
181	/*
182	 * WME/WMM state.
183	 */
184	struct ieee80211_wme_state ic_wme;
185
186	/*
187	 * Cipher state/configuration.
188	 */
189	struct ieee80211_crypto_state ic_crypto;
190#define	ic_nw_keys	ic_crypto.cs_nw_keys	/* XXX compatibility */
191#define	ic_def_txkey	ic_crypto.cs_def_txkey	/* XXX compatibility */
192
193	/*
194	 * 802.1x glue.  When an authenticator attaches it
195	 * fills in this section.  We assume that when ic_ec
196	 * is setup that the methods are safe to call.
197	 */
198	const struct ieee80211_authenticator *ic_auth;
199	struct eapolcom		*ic_ec;
200
201	/*
202	 * Access control glue.  When a control agent attaches
203	 * it fills in this section.  We assume that when ic_ac
204	 * is setup that the methods are safe to call.
205	 */
206	const struct ieee80211_aclator *ic_acl;
207	void			*ic_as;
208};
209
210#define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
211#define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
212
213/* ic_flags */
214/* NB: bits 0x4c available */
215#define	IEEE80211_F_FF		0x00000001	/* CONF: ATH FF enabled */
216#define	IEEE80211_F_TURBOP	0x00000002	/* CONF: ATH Turbo enabled*/
217#define	IEEE80211_F_BURST	0x00000004	/* CONF: bursting enabled */
218/* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
219#define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
220#define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
221#define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
222#define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
223#define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
224/* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
225#define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
226#define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
227#define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
228#define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
229#define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
230#define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
231#define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
232#define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
233#define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
234#define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
235#define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
236#define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
237#define	IEEE80211_F_TIMUPDATE	0x00400000	/* STATUS: update beacon tim */
238#define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
239#define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
240#define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
241#define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
242#define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
243#define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
244#define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
245#define	IEEE80211_F_WMEUPDATE	0x20000000	/* STATUS: update beacon wme */
246
247/* ic_flags_ext */
248#define	IEEE80211_FEXT_WDS	0x00000001	/* CONF: 4 addr allowed */
249/* 0x00000006 reserved */
250#define	IEEE80211_FEXT_BGSCAN	0x00000008	/* STATUS: enable full bgscan completion */
251#define	IEEE80211_FEXT_ERPUPDATE 0x00000200	/* STATUS: update ERP element */
252#define	IEEE80211_FEXT_SWBMISS	0x00000400	/* CONF: do bmiss in s/w */
253#define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
254
255/* ic_caps */
256#define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
257#define	IEEE80211_C_TKIP	0x00000002	/* CAPABILITY: TKIP available */
258#define	IEEE80211_C_AES		0x00000004	/* CAPABILITY: AES OCB avail */
259#define	IEEE80211_C_AES_CCM	0x00000008	/* CAPABILITY: AES CCM avail */
260#define	IEEE80211_C_CKIP	0x00000020	/* CAPABILITY: CKIP available */
261#define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
262#define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
263#define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
264#define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
265#define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
266#define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
267#define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
268#define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
269#define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
270#define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
271#define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
272#define	IEEE80211_C_TKIPMIC	0x00020000	/* CAPABILITY: TKIP MIC avail */
273#define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
274#define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
275#define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
276#define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
277#define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
278#define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
279/* 0x10000000 reserved */
280#define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
281#define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
282/* XXX protection/barker? */
283
284#define	IEEE80211_C_CRYPTO	0x0000002f	/* CAPABILITY: crypto alg's */
285
286void	ieee80211_ifattach(struct ieee80211com *);
287void	ieee80211_ifdetach(struct ieee80211com *);
288const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *,
289		const struct ieee80211_channel *);
290void	ieee80211_announce(struct ieee80211com *);
291void	ieee80211_media_init(struct ieee80211com *,
292		ifm_change_cb_t, ifm_stat_cb_t);
293struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
294int	ieee80211_media_change(struct ifnet *);
295void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
296int	ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
297int	ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
298int	ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
299void	ieee80211_watchdog(struct ieee80211com *);
300int	ieee80211_rate2media(struct ieee80211com *, int,
301		enum ieee80211_phymode);
302int	ieee80211_media2rate(int);
303int	ieee80211_mhz2ieee(u_int, u_int);
304int	ieee80211_chan2ieee(struct ieee80211com *, const struct ieee80211_channel *);
305u_int	ieee80211_ieee2mhz(u_int, u_int);
306int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
307enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
308		const struct ieee80211_channel *);
309
310/*
311 * Key update synchronization methods.  XXX should not be visible.
312 */
313static __inline void
314ieee80211_key_update_begin(struct ieee80211com *ic)
315{
316	ic->ic_crypto.cs_key_update_begin(ic);
317}
318static __inline void
319ieee80211_key_update_end(struct ieee80211com *ic)
320{
321	ic->ic_crypto.cs_key_update_end(ic);
322}
323
324/*
325 * XXX these need to be here for IEEE80211_F_DATAPAD
326 */
327
328/*
329 * Return the space occupied by the 802.11 header and any
330 * padding required by the driver.  This works for a
331 * management or data frame.
332 */
333static __inline int
334ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
335{
336	int size = ieee80211_hdrsize(data);
337	if (ic->ic_flags & IEEE80211_F_DATAPAD)
338		size = roundup(size, sizeof(u_int32_t));
339	return size;
340}
341
342/*
343 * Like ieee80211_hdrspace, but handles any type of frame.
344 */
345static __inline int
346ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
347{
348	int size = ieee80211_anyhdrsize(data);
349	if (ic->ic_flags & IEEE80211_F_DATAPAD)
350		size = roundup(size, sizeof(u_int32_t));
351	return size;
352}
353
354#define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
355#define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
356#define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
357#define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
358#define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
359#define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
360#define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
361#define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
362#define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
363#define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
364#define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
365#define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
366#define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
367#define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
368#define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
369#define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
370#define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
371#define	IEEE80211_MSG_RADKEYS	0x00002000	/* dump 802.1x keys */
372#define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
373#define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
374#define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
375#define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
376#define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
377#define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
378#define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
379#define	IEEE80211_MSG_RATECTL	0x00000020	/* tx rate control */
380
381#define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
382
383#ifdef IEEE80211_DEBUG
384#define	ieee80211_msg(_ic, _m)	((_ic)->ic_debug & (_m))
385#define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {			\
386	if (ieee80211_msg(_ic, _m))					\
387		ieee80211_note(_ic, _fmt, __VA_ARGS__);		\
388} while (0)
389#define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {			\
390	if (ieee80211_msg(_ic, _m))					\
391		ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
392} while (0)
393#define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {		\
394	if (ieee80211_msg(_ic, _m))					\
395		ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);	\
396} while (0)
397#define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {		\
398	if (ieee80211_msg(_ic, _m))					\
399		ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);	\
400} while (0)
401void	ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
402void	ieee80211_note_mac(struct ieee80211com *ic,
403		const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
404void	ieee80211_note_frame(struct ieee80211com *ic,
405		const struct ieee80211_frame *wh, const char *fmt, ...);
406#define	ieee80211_msg_debug(_ic) \
407	((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
408#define	ieee80211_msg_dumppkts(_ic) \
409	((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
410#define	ieee80211_msg_input(_ic) \
411	((_ic)->ic_debug & IEEE80211_MSG_INPUT)
412#define	ieee80211_msg_radius(_ic) \
413	((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
414#define	ieee80211_msg_dumpradius(_ic) \
415	((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
416#define	ieee80211_msg_dumpradkeys(_ic) \
417	((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
418#define	ieee80211_msg_scan(_ic) \
419	((_ic)->ic_debug & IEEE80211_MSG_SCAN)
420#define	ieee80211_msg_assoc(_ic) \
421	((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
422#else
423#define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
424#define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
425#define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
426#define	ieee80211_msg_dumppkts(_ic)	0
427#define	ieee80211_msg(_ic, _m)		0
428#endif
429
430#endif /* _NET80211_IEEE80211_VAR_H_ */
431