xref: /freebsd/sys/net80211/ieee80211_var.h (revision 262e143bd46171a6415a5b28af260a5efa2a3db8)
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  * $FreeBSD$
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_MAX	15	/* max DTIM period */
65 #define	IEEE80211_DTIM_MIN	1	/* min DTIM period */
66 #define	IEEE80211_DTIM_DEFAULT	1	/* default DTIM period */
67 
68 /* NB: min+max come from WiFi requirements */
69 #define	IEEE80211_BINTVAL_MAX	1000	/* max beacon interval (TU's) */
70 #define	IEEE80211_BINTVAL_MIN	25	/* min beacon interval (TU's) */
71 #define	IEEE80211_BINTVAL_DEFAULT 100	/* default beacon interval (TU's) */
72 
73 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
74 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
75 
76 #define	IEEE80211_FIXED_RATE_NONE	-1
77 
78 #define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
79 #define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
80 
81 #define	IEEE80211_MS_TO_TU(x)	(((x) * 1000) / 1024)
82 #define	IEEE80211_TU_TO_MS(x)	(((x) * 1024) / 1000)
83 
84 struct ieee80211_aclator;
85 struct sysctl_ctx_list;
86 
87 struct ieee80211com {
88 	SLIST_ENTRY(ieee80211com) ic_next;
89 	struct ifnet		*ic_ifp;	/* associated device */
90 	struct ieee80211_stats	ic_stats;	/* statistics */
91 	struct sysctl_ctx_list	*ic_sysctl;	/* dynamic sysctl context */
92 	u_int32_t		ic_debug;	/* debug msg flags */
93 	int			ic_vap;		/* virtual AP index */
94 	ieee80211_beacon_lock_t	ic_beaconlock;	/* beacon update lock */
95 
96 	int			(*ic_reset)(struct ifnet *);
97 	void			(*ic_recv_mgmt)(struct ieee80211com *,
98 				    struct mbuf *, struct ieee80211_node *,
99 				    int, int, u_int32_t);
100 	int			(*ic_send_mgmt)(struct ieee80211com *,
101 				    struct ieee80211_node *, int, int);
102 	int			(*ic_newstate)(struct ieee80211com *,
103 				    enum ieee80211_state, int);
104 	void			(*ic_newassoc)(struct ieee80211_node *, int);
105 	void			(*ic_updateslot)(struct ifnet *);
106 	void			(*ic_set_tim)(struct ieee80211_node *, int);
107 	u_int8_t		ic_myaddr[IEEE80211_ADDR_LEN];
108 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
109 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX+1];
110 	u_int8_t		ic_chan_avail[IEEE80211_CHAN_BYTES];
111 	u_int8_t		ic_chan_active[IEEE80211_CHAN_BYTES];
112 	u_int8_t		ic_chan_scan[IEEE80211_CHAN_BYTES];
113 	struct ieee80211_node_table ic_scan;	/* scan candidates */
114 	struct ifqueue		ic_mgtq;
115 	u_int32_t		ic_flags;	/* state flags */
116 	u_int32_t		ic_flags_ext;	/* extended state flags */
117 	u_int32_t		ic_caps;	/* capabilities */
118 	u_int16_t		ic_modecaps;	/* set of mode capabilities */
119 	u_int16_t		ic_curmode;	/* current mode */
120 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
121 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
122 	enum ieee80211_state	ic_state;	/* 802.11 state */
123 	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
124 	enum ieee80211_roamingmode ic_roaming;	/* roaming mode */
125 	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
126 	u_int32_t		*ic_aid_bitmap;	/* association id map */
127 	u_int16_t		ic_max_aid;
128 	u_int16_t		ic_sta_assoc;	/* stations associated */
129 	u_int16_t		ic_ps_sta;	/* stations in power save */
130 	u_int16_t		ic_ps_pending;	/* ps sta's w/ pending frames */
131 	u_int8_t		*ic_tim_bitmap;	/* power-save stations w/ data*/
132 	u_int16_t		ic_tim_len;	/* ic_tim_bitmap size (bytes) */
133 	u_int8_t		ic_dtim_period;	/* DTIM period */
134 	u_int8_t		ic_dtim_count;	/* DTIM count for last bcn */
135 	struct ifmedia		ic_media;	/* interface media config */
136 	struct bpf_if		*ic_rawbpf;	/* packet filter structure */
137 	struct ieee80211_node	*ic_bss;	/* information for this node */
138 	struct ieee80211_channel *ic_ibss_chan;
139 	struct ieee80211_channel *ic_curchan;	/* current channel */
140 	int			ic_fixed_rate;	/* index to ic_sup_rates[] */
141 	u_int16_t		ic_rtsthreshold;
142 	u_int16_t		ic_fragthreshold;
143 	struct ieee80211_node	*(*ic_node_alloc)(struct ieee80211_node_table*);
144 	void			(*ic_node_free)(struct ieee80211_node *);
145 	void			(*ic_node_cleanup)(struct ieee80211_node *);
146 	u_int8_t		(*ic_node_getrssi)(const struct ieee80211_node*);
147 	u_int16_t		ic_lintval;	/* listen interval */
148 	u_int16_t		ic_bintval;	/* beacon interval */
149 	u_int16_t		ic_holdover;	/* PM hold over duration */
150 	u_int16_t		ic_txmin;	/* min tx retry count */
151 	u_int16_t		ic_txmax;	/* max tx retry count */
152 	u_int16_t		ic_txlifetime;	/* tx lifetime */
153 	u_int16_t		ic_txpowlimit;	/* global tx power limit */
154 	u_int16_t		ic_bmisstimeout;/* beacon miss threshold (ms) */
155 	u_int16_t		ic_nonerpsta;	/* # non-ERP stations */
156 	u_int16_t		ic_longslotsta;	/* # long slot time stations */
157 	int			ic_mgt_timer;	/* mgmt timeout */
158 	int			ic_inact_timer;	/* inactivity timer wait */
159 	int			ic_des_esslen;
160 	u_int8_t		ic_des_essid[IEEE80211_NWID_LEN];
161 	struct ieee80211_channel *ic_des_chan;	/* desired channel */
162 	u_int8_t		ic_des_bssid[IEEE80211_ADDR_LEN];
163 	void			*ic_opt_ie;	/* user-specified IE's */
164 	u_int16_t		ic_opt_ie_len;	/* length of ni_opt_ie */
165 	/*
166 	 * Inactivity timer settings for nodes.
167 	 */
168 	int			ic_inact_init;	/* initial setting */
169 	int			ic_inact_auth;	/* auth but not assoc setting */
170 	int			ic_inact_run;	/* authorized setting */
171 	int			ic_inact_probe;	/* inactive probe time */
172 
173 	/*
174 	 * WME/WMM state.
175 	 */
176 	struct ieee80211_wme_state ic_wme;
177 
178 	/*
179 	 * Cipher state/configuration.
180 	 */
181 	struct ieee80211_crypto_state ic_crypto;
182 #define	ic_nw_keys	ic_crypto.cs_nw_keys	/* XXX compatibility */
183 #define	ic_def_txkey	ic_crypto.cs_def_txkey	/* XXX compatibility */
184 
185 	/*
186 	 * 802.1x glue.  When an authenticator attaches it
187 	 * fills in this section.  We assume that when ic_ec
188 	 * is setup that the methods are safe to call.
189 	 */
190 	const struct ieee80211_authenticator *ic_auth;
191 	struct eapolcom		*ic_ec;
192 
193 	/*
194 	 * Access control glue.  When a control agent attaches
195 	 * it fills in this section.  We assume that when ic_ac
196 	 * is setup that the methods are safe to call.
197 	 */
198 	const struct ieee80211_aclator *ic_acl;
199 	void			*ic_as;
200 };
201 
202 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
203 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
204 
205 /* ic_flags */
206 /* NB: bits 0x4c available */
207 #define	IEEE80211_F_FF		0x00000001	/* CONF: ATH FF enabled */
208 #define	IEEE80211_F_TURBOP	0x00000002	/* CONF: ATH Turbo enabled*/
209 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
210 #define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
211 #define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
212 #define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
213 #define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
214 #define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
215 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
216 #define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
217 #define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
218 #define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
219 #define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
220 #define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
221 #define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
222 #define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
223 #define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
224 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
225 #define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
226 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
227 #define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
228 #define	IEEE80211_F_TIMUPDATE	0x00400000	/* STATUS: update beacon tim */
229 #define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
230 #define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
231 #define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
232 #define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
233 #define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
234 #define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
235 #define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
236 #define	IEEE80211_F_WMEUPDATE	0x20000000	/* STATUS: update beacon wme */
237 
238 /* ic_flags_ext */
239 #define	IEEE80211_FEXT_WDS	0x00000001	/* CONF: 4 addr allowed */
240 /* 0x00000006 reserved */
241 #define	IEEE80211_FEXT_BGSCAN	0x00000008	/* STATUS: enable full bgscan completion */
242 
243 /* ic_caps */
244 #define	IEEE80211_C_WEP		0x00000001	/* CAPABILITY: WEP available */
245 #define	IEEE80211_C_TKIP	0x00000002	/* CAPABILITY: TKIP available */
246 #define	IEEE80211_C_AES		0x00000004	/* CAPABILITY: AES OCB avail */
247 #define	IEEE80211_C_AES_CCM	0x00000008	/* CAPABILITY: AES CCM avail */
248 #define	IEEE80211_C_CKIP	0x00000020	/* CAPABILITY: CKIP available */
249 #define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
250 #define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
251 #define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
252 #define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
253 #define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
254 #define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
255 #define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
256 #define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
257 #define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
258 #define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
259 #define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
260 #define	IEEE80211_C_TKIPMIC	0x00020000	/* CAPABILITY: TKIP MIC avail */
261 #define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
262 #define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
263 #define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
264 #define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
265 #define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
266 #define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
267 /* 0x10000000 reserved */
268 #define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
269 #define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
270 /* XXX protection/barker? */
271 
272 #define	IEEE80211_C_CRYPTO	0x0000002f	/* CAPABILITY: crypto alg's */
273 
274 void	ieee80211_ifattach(struct ieee80211com *);
275 void	ieee80211_ifdetach(struct ieee80211com *);
276 void	ieee80211_announce(struct ieee80211com *);
277 void	ieee80211_media_init(struct ieee80211com *,
278 		ifm_change_cb_t, ifm_stat_cb_t);
279 struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
280 int	ieee80211_media_change(struct ifnet *);
281 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
282 int	ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
283 int	ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
284 int	ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
285 void	ieee80211_watchdog(struct ieee80211com *);
286 int	ieee80211_rate2media(struct ieee80211com *, int,
287 		enum ieee80211_phymode);
288 int	ieee80211_media2rate(int);
289 int	ieee80211_mhz2ieee(u_int, u_int);
290 int	ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *);
291 u_int	ieee80211_ieee2mhz(u_int, u_int);
292 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
293 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
294 		struct ieee80211_channel *);
295 
296 /*
297  * Key update synchronization methods.  XXX should not be visible.
298  */
299 static __inline void
300 ieee80211_key_update_begin(struct ieee80211com *ic)
301 {
302 	ic->ic_crypto.cs_key_update_begin(ic);
303 }
304 static __inline void
305 ieee80211_key_update_end(struct ieee80211com *ic)
306 {
307 	ic->ic_crypto.cs_key_update_end(ic);
308 }
309 
310 /*
311  * XXX these need to be here for IEEE80211_F_DATAPAD
312  */
313 
314 /*
315  * Return the space occupied by the 802.11 header and any
316  * padding required by the driver.  This works for a
317  * management or data frame.
318  */
319 static __inline int
320 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
321 {
322 	int size = ieee80211_hdrsize(data);
323 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
324 		size = roundup(size, sizeof(u_int32_t));
325 	return size;
326 }
327 
328 /*
329  * Like ieee80211_hdrspace, but handles any type of frame.
330  */
331 static __inline int
332 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
333 {
334 	int size = ieee80211_anyhdrsize(data);
335 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
336 		size = roundup(size, sizeof(u_int32_t));
337 	return size;
338 }
339 
340 #define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
341 #define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
342 #define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
343 #define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
344 #define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
345 #define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
346 #define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
347 #define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
348 #define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
349 #define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
350 #define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
351 #define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
352 #define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
353 #define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
354 #define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
355 #define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
356 #define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
357 #define	IEEE80211_MSG_RADKEYS	0x00002000	/* dump 802.1x keys */
358 #define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
359 #define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
360 #define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
361 #define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
362 #define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
363 #define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
364 #define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
365 
366 #define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
367 
368 #ifdef IEEE80211_DEBUG
369 #define	ieee80211_msg(_ic, _m)	((_ic)->ic_debug & (_m))
370 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {			\
371 	if (ieee80211_msg(_ic, _m))					\
372 		ieee80211_note(_ic, _fmt, __VA_ARGS__);		\
373 } while (0)
374 #define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {			\
375 	if (ieee80211_msg(_ic, _m))					\
376 		ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
377 } while (0)
378 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {		\
379 	if (ieee80211_msg(_ic, _m))					\
380 		ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);	\
381 } while (0)
382 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {		\
383 	if (ieee80211_msg(_ic, _m))					\
384 		ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);	\
385 } while (0)
386 void	ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
387 void	ieee80211_note_mac(struct ieee80211com *ic,
388 		const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
389 void	ieee80211_note_frame(struct ieee80211com *ic,
390 		const struct ieee80211_frame *wh, const char *fmt, ...);
391 #define	ieee80211_msg_debug(_ic) \
392 	((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
393 #define	ieee80211_msg_dumppkts(_ic) \
394 	((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
395 #define	ieee80211_msg_input(_ic) \
396 	((_ic)->ic_debug & IEEE80211_MSG_INPUT)
397 #define	ieee80211_msg_radius(_ic) \
398 	((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
399 #define	ieee80211_msg_dumpradius(_ic) \
400 	((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
401 #define	ieee80211_msg_dumpradkeys(_ic) \
402 	((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
403 #define	ieee80211_msg_scan(_ic) \
404 	((_ic)->ic_debug & IEEE80211_MSG_SCAN)
405 #define	ieee80211_msg_assoc(_ic) \
406 	((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
407 #else
408 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
409 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
410 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
411 #define	ieee80211_msg_dumppkts(_ic)	0
412 #define	ieee80211_msg(_ic, _m)		0
413 #endif
414 
415 #endif /* _NET80211_IEEE80211_VAR_H_ */
416