xref: /freebsd/sys/net80211/ieee80211_var.h (revision acd3428b7d3e94cef0e1881c868cb4b131d4ff41)
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_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 
83 struct ieee80211_aclator;
84 struct sysctl_ctx_list;
85 
86 struct 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 
286 void	ieee80211_ifattach(struct ieee80211com *);
287 void	ieee80211_ifdetach(struct ieee80211com *);
288 void	ieee80211_announce(struct ieee80211com *);
289 void	ieee80211_media_init(struct ieee80211com *,
290 		ifm_change_cb_t, ifm_stat_cb_t);
291 struct ieee80211com *ieee80211_find_vap(const u_int8_t mac[IEEE80211_ADDR_LEN]);
292 int	ieee80211_media_change(struct ifnet *);
293 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
294 int	ieee80211_ioctl(struct ieee80211com *, u_long, caddr_t);
295 int	ieee80211_cfgget(struct ieee80211com *, u_long, caddr_t);
296 int	ieee80211_cfgset(struct ieee80211com *, u_long, caddr_t);
297 void	ieee80211_watchdog(struct ieee80211com *);
298 int	ieee80211_rate2media(struct ieee80211com *, int,
299 		enum ieee80211_phymode);
300 int	ieee80211_media2rate(int);
301 int	ieee80211_mhz2ieee(u_int, u_int);
302 int	ieee80211_chan2ieee(struct ieee80211com *, struct ieee80211_channel *);
303 u_int	ieee80211_ieee2mhz(u_int, u_int);
304 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
305 enum ieee80211_phymode ieee80211_chan2mode(struct ieee80211com *,
306 		struct ieee80211_channel *);
307 
308 /*
309  * Key update synchronization methods.  XXX should not be visible.
310  */
311 static __inline void
312 ieee80211_key_update_begin(struct ieee80211com *ic)
313 {
314 	ic->ic_crypto.cs_key_update_begin(ic);
315 }
316 static __inline void
317 ieee80211_key_update_end(struct ieee80211com *ic)
318 {
319 	ic->ic_crypto.cs_key_update_end(ic);
320 }
321 
322 /*
323  * XXX these need to be here for IEEE80211_F_DATAPAD
324  */
325 
326 /*
327  * Return the space occupied by the 802.11 header and any
328  * padding required by the driver.  This works for a
329  * management or data frame.
330  */
331 static __inline int
332 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
333 {
334 	int size = ieee80211_hdrsize(data);
335 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
336 		size = roundup(size, sizeof(u_int32_t));
337 	return size;
338 }
339 
340 /*
341  * Like ieee80211_hdrspace, but handles any type of frame.
342  */
343 static __inline int
344 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
345 {
346 	int size = ieee80211_anyhdrsize(data);
347 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
348 		size = roundup(size, sizeof(u_int32_t));
349 	return size;
350 }
351 
352 #define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
353 #define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
354 #define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
355 #define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
356 #define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
357 #define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
358 #define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
359 #define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
360 #define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
361 #define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
362 #define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
363 #define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
364 #define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
365 #define	IEEE80211_MSG_DOT1X	0x00020000	/* 802.1x authenticator */
366 #define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
367 #define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
368 #define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
369 #define	IEEE80211_MSG_RADKEYS	0x00002000	/* dump 802.1x keys */
370 #define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
371 #define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
372 #define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
373 #define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
374 #define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
375 #define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
376 #define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
377 
378 #define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
379 
380 #ifdef IEEE80211_DEBUG
381 #define	ieee80211_msg(_ic, _m)	((_ic)->ic_debug & (_m))
382 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...) do {			\
383 	if (ieee80211_msg(_ic, _m))					\
384 		ieee80211_note(_ic, _fmt, __VA_ARGS__);		\
385 } while (0)
386 #define	IEEE80211_NOTE(_ic, _m, _ni, _fmt, ...) do {			\
387 	if (ieee80211_msg(_ic, _m))					\
388 		ieee80211_note_mac(_ic, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
389 } while (0)
390 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...) do {		\
391 	if (ieee80211_msg(_ic, _m))					\
392 		ieee80211_note_mac(_ic, _mac, _fmt, __VA_ARGS__);	\
393 } while (0)
394 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...) do {		\
395 	if (ieee80211_msg(_ic, _m))					\
396 		ieee80211_note_frame(_ic, _wh, _fmt, __VA_ARGS__);	\
397 } while (0)
398 void	ieee80211_note(struct ieee80211com *ic, const char *fmt, ...);
399 void	ieee80211_note_mac(struct ieee80211com *ic,
400 		const u_int8_t mac[IEEE80211_ADDR_LEN], const char *fmt, ...);
401 void	ieee80211_note_frame(struct ieee80211com *ic,
402 		const struct ieee80211_frame *wh, const char *fmt, ...);
403 #define	ieee80211_msg_debug(_ic) \
404 	((_ic)->ic_debug & IEEE80211_MSG_DEBUG)
405 #define	ieee80211_msg_dumppkts(_ic) \
406 	((_ic)->ic_debug & IEEE80211_MSG_DUMPPKTS)
407 #define	ieee80211_msg_input(_ic) \
408 	((_ic)->ic_debug & IEEE80211_MSG_INPUT)
409 #define	ieee80211_msg_radius(_ic) \
410 	((_ic)->ic_debug & IEEE80211_MSG_RADIUS)
411 #define	ieee80211_msg_dumpradius(_ic) \
412 	((_ic)->ic_debug & IEEE80211_MSG_RADDUMP)
413 #define	ieee80211_msg_dumpradkeys(_ic) \
414 	((_ic)->ic_debug & IEEE80211_MSG_RADKEYS)
415 #define	ieee80211_msg_scan(_ic) \
416 	((_ic)->ic_debug & IEEE80211_MSG_SCAN)
417 #define	ieee80211_msg_assoc(_ic) \
418 	((_ic)->ic_debug & IEEE80211_MSG_ASSOC)
419 #else
420 #define	IEEE80211_DPRINTF(_ic, _m, _fmt, ...)
421 #define	IEEE80211_NOTE_FRAME(_ic, _m, _wh, _fmt, ...)
422 #define	IEEE80211_NOTE_MAC(_ic, _m, _mac, _fmt, ...)
423 #define	ieee80211_msg_dumppkts(_ic)	0
424 #define	ieee80211_msg(_ic, _m)		0
425 #endif
426 
427 #endif /* _NET80211_IEEE80211_VAR_H_ */
428