xref: /haiku/src/libs/compat/freebsd_wlan/net80211/ieee80211_var.h (revision 002f37b0cca92e4cf72857c72ac95db5a8b09615)
1 /*-
2  * Copyright (c) 2001 Atsushi Onoe
3  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
4  * Copyright (c) 2009 Colin Günther, coling@gmx.de
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 #ifndef _FBSD_COMPAT_NET80211_IEEE80211_VAR_H_
30 #define _FBSD_COMPAT_NET80211_IEEE80211_VAR_H_
31 
32 /*
33  * Definitions for IEEE 802.11 drivers.
34  */
35 /* NB: portability glue must go first */
36 #if defined(__NetBSD__)
37 #include <net80211/ieee80211_netbsd.h>
38 #elif defined(__FreeBSD__)
39 #include <net80211/ieee80211_freebsd.h>
40 #elif defined(__linux__)
41 #include <net80211/ieee80211_linux.h>
42 #elif __HAIKU__
43 #include <net80211/ieee80211_haiku.h>
44 #else
45 #error	"No support for your operating system!"
46 #endif
47 
48 #include <net80211/_ieee80211.h>
49 #include <net80211/ieee80211.h>
50 #include <net80211/ieee80211_ageq.h>
51 #include <net80211/ieee80211_crypto.h>
52 #include <net80211/ieee80211_dfs.h>
53 #include <net80211/ieee80211_ioctl.h>		/* for ieee80211_stats */
54 #include <net80211/ieee80211_phy.h>
55 #include <net80211/ieee80211_power.h>
56 #include <net80211/ieee80211_node.h>
57 #include <net80211/ieee80211_proto.h>
58 #include <net80211/ieee80211_radiotap.h>
59 #include <net80211/ieee80211_scan.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_BGSCAN_INTVAL_MIN	15	/* min bg scan intvl (secs) */
71 #define	IEEE80211_BGSCAN_INTVAL_DEFAULT	(5*60)	/* default bg scan intvl */
72 
73 #define	IEEE80211_BGSCAN_IDLE_MIN	100	/* min idle time (ms) */
74 #define	IEEE80211_BGSCAN_IDLE_DEFAULT	250	/* default idle time (ms) */
75 
76 #define	IEEE80211_SCAN_VALID_MIN	10	/* min scan valid time (secs) */
77 #define	IEEE80211_SCAN_VALID_DEFAULT	60	/* default scan valid time */
78 
79 #define	IEEE80211_PS_SLEEP	0x1	/* STA is in power saving mode */
80 #define	IEEE80211_PS_MAX_QUEUE	50	/* maximum saved packets */
81 
82 #define	IEEE80211_FIXED_RATE_NONE	0xff
83 #define	IEEE80211_TXMAX_DEFAULT		6	/* default ucast max retries */
84 
85 #define	IEEE80211_RTS_DEFAULT		IEEE80211_RTS_MAX
86 #define	IEEE80211_FRAG_DEFAULT		IEEE80211_FRAG_MAX
87 
88 #define	IEEE80211_MS_TO_TU(x)	(((x) * 1000) / 1024)
89 #define	IEEE80211_TU_TO_MS(x)	(((x) * 1024) / 1000)
90 #define	IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000))
91 
92 /*
93  * 802.11 control state is split into a common portion that maps
94  * 1-1 to a physical device and one or more "Virtual AP's" (VAP)
95  * that are bound to an ieee80211com instance and share a single
96  * underlying device.  Each VAP has a corresponding OS device
97  * entity through which traffic flows and that applications use
98  * for issuing ioctls, etc.
99  */
100 
101 /*
102  * Data common to one or more virtual AP's.  State shared by
103  * the underlying device and the net80211 layer is exposed here;
104  * e.g. device-specific callbacks.
105  */
106 struct ieee80211vap;
107 typedef void (*ieee80211vap_attach)(struct ieee80211vap *);
108 
109 struct ieee80211_appie {
110 	uint16_t		ie_len;		/* size of ie_data */
111 	uint8_t			ie_data[0];	/* user-specified IE's */
112 };
113 
114 struct ieee80211_tdma_param;
115 struct ieee80211_rate_table;
116 struct ieee80211_tx_ampdu;
117 struct ieee80211_rx_ampdu;
118 struct ieee80211_superg;
119 struct ieee80211_frame;
120 
121 struct ieee80211com {
122 	struct ifnet		*ic_ifp;	/* associated device */
123 	ieee80211_com_lock_t	ic_comlock;	/* state update lock */
124 	TAILQ_HEAD(, ieee80211vap) ic_vaps;	/* list of vap instances */
125 	int			ic_headroom;	/* driver tx headroom needs */
126 	enum ieee80211_phytype	ic_phytype;	/* XXX wrong for multi-mode */
127 	enum ieee80211_opmode	ic_opmode;	/* operation mode */
128 	struct ifmedia		ic_media;	/* interface media config */
129 	struct callout		ic_inact;	/* inactivity processing */
130 	struct taskqueue	*ic_tq;		/* deferred state thread */
131 	struct task		ic_parent_task;	/* deferred parent processing */
132 	struct task		ic_promisc_task;/* deferred promisc update */
133 	struct task		ic_mcast_task;	/* deferred mcast update */
134 	struct task		ic_chan_task;	/* deferred channel change */
135 	struct task		ic_bmiss_task;	/* deferred beacon miss hndlr */
136 
137 	uint32_t		ic_flags;	/* state flags */
138 	uint32_t		ic_flags_ext;	/* extended state flags */
139 	uint32_t		ic_flags_ht;	/* HT state flags */
140 	uint32_t		ic_flags_ven;	/* vendor state flags */
141 	uint32_t		ic_caps;	/* capabilities */
142 	uint32_t		ic_htcaps;	/* HT capabilities */
143 	uint32_t		ic_htextcaps;	/* HT extended capabilities */
144 	uint32_t		ic_cryptocaps;	/* crypto capabilities */
145 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
146 	uint8_t			ic_promisc;	/* vap's needing promisc mode */
147 	uint8_t			ic_allmulti;	/* vap's needing all multicast*/
148 	uint8_t			ic_nrunning;	/* vap's marked running */
149 	uint8_t			ic_curmode;	/* current mode */
150 	uint16_t		ic_bintval;	/* beacon interval */
151 	uint16_t		ic_lintval;	/* listen interval */
152 	uint16_t		ic_holdover;	/* PM hold over duration */
153 	uint16_t		ic_txpowlimit;	/* global tx power limit */
154 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
155 
156 	/*
157 	 * Channel state:
158 	 *
159 	 * ic_channels is the set of available channels for the device;
160 	 *    it is setup by the driver
161 	 * ic_nchans is the number of valid entries in ic_channels
162 	 * ic_chan_avail is a bit vector of these channels used to check
163 	 *    whether a channel is available w/o searching the channel table.
164 	 * ic_chan_active is a (potentially) constrained subset of
165 	 *    ic_chan_avail that reflects any mode setting or user-specified
166 	 *    limit on the set of channels to use/scan
167 	 * ic_curchan is the current channel the device is set to; it may
168 	 *    be different from ic_bsschan when we are off-channel scanning
169 	 *    or otherwise doing background work
170 	 * ic_bsschan is the channel selected for operation; it may
171 	 *    be undefined (IEEE80211_CHAN_ANYC)
172 	 * ic_prevchan is a cached ``previous channel'' used to optimize
173 	 *    lookups when switching back+forth between two channels
174 	 *    (e.g. for dynamic turbo)
175 	 */
176 	int			ic_nchans;	/* # entries in ic_channels */
177 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
178 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
179 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
180 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
181 	struct ieee80211_channel *ic_curchan;	/* current channel */
182 	const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */
183 	struct ieee80211_channel *ic_bsschan;	/* bss channel */
184 	struct ieee80211_channel *ic_prevchan;	/* previous channel */
185 	struct ieee80211_regdomain ic_regdomain;/* regulatory data */
186 	struct ieee80211_appie	*ic_countryie;	/* calculated country ie */
187 	struct ieee80211_channel *ic_countryie_chan;
188 
189 	/* 802.11h/DFS state */
190 	struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */
191 	short			ic_csa_mode;	/* mode for doing CSA */
192 	short			ic_csa_count;	/* count for doing CSA */
193 	struct ieee80211_dfs_state ic_dfs;	/* DFS state */
194 
195 	struct ieee80211_scan_state *ic_scan;	/* scan state */
196 	int			ic_lastdata;	/* time of last data frame */
197 	int			ic_lastscan;	/* time last scan completed */
198 
199 	/* NB: this is the union of all vap stations/neighbors */
200 	int			ic_max_keyix;	/* max h/w key index */
201 	struct ieee80211_node_table ic_sta;	/* stations/neighbors */
202 	struct ieee80211_ageq	ic_stageq;	/* frame staging queue */
203 	uint32_t		ic_hash_key;	/* random key for mac hash */
204 
205 	/* XXX multi-bss: split out common/vap parts */
206 	struct ieee80211_wme_state ic_wme;	/* WME/WMM state */
207 
208 	/* XXX multi-bss: can per-vap be done/make sense? */
209 	enum ieee80211_protmode	ic_protmode;	/* 802.11g protection mode */
210 	uint16_t		ic_nonerpsta;	/* # non-ERP stations */
211 	uint16_t		ic_longslotsta;	/* # long slot time stations */
212 	uint16_t		ic_sta_assoc;	/* stations associated */
213 	uint16_t		ic_ht_sta_assoc;/* HT stations associated */
214 	uint16_t		ic_ht40_sta_assoc;/* HT40 stations associated */
215 	uint8_t			ic_curhtprotmode;/* HTINFO bss state */
216 	enum ieee80211_protmode	ic_htprotmode;	/* HT protection mode */
217 	int			ic_lastnonerp;	/* last time non-ERP sta noted*/
218 	int			ic_lastnonht;	/* last time non-HT sta noted */
219 	uint8_t			ic_rxstream;    /* # RX streams */
220 	uint8_t			ic_txstream;    /* # TX streams */
221 
222 	/* optional state for Atheros SuperG protocol extensions */
223 	struct ieee80211_superg	*ic_superg;
224 
225 	/* radiotap handling */
226 	struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */
227 	void			*ic_txchan;	/* channel state in ic_th */
228 	struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */
229 	void			*ic_rxchan;	/* channel state in ic_rh */
230 	int			ic_montaps;	/* active monitor mode taps */
231 
232 	/* virtual ap create/delete */
233 	struct ieee80211vap*	(*ic_vap_create)(struct ieee80211com *,
234 				    const char name[IFNAMSIZ], int unit,
235 				    enum ieee80211_opmode opmode, int flags,
236 				    const uint8_t bssid[IEEE80211_ADDR_LEN],
237 				    const uint8_t macaddr[IEEE80211_ADDR_LEN]);
238 	void			(*ic_vap_delete)(struct ieee80211vap *);
239 	/* operating mode attachment */
240 	ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
241 	/* return hardware/radio capabilities */
242 	void			(*ic_getradiocaps)(struct ieee80211com *,
243 				    int, int *, struct ieee80211_channel []);
244 	/* check and/or prepare regdomain state change */
245 	int			(*ic_setregdomain)(struct ieee80211com *,
246 				    struct ieee80211_regdomain *,
247 				    int, struct ieee80211_channel []);
248 	/* send/recv 802.11 management frame */
249 	int			(*ic_send_mgmt)(struct ieee80211_node *,
250 				     int, int);
251 	/* send raw 802.11 frame */
252 	int			(*ic_raw_xmit)(struct ieee80211_node *,
253 				    struct mbuf *,
254 				    const struct ieee80211_bpf_params *);
255 	/* update device state for 802.11 slot time change */
256 	void			(*ic_updateslot)(struct ifnet *);
257 	/* handle multicast state changes */
258 	void			(*ic_update_mcast)(struct ifnet *);
259 	/* handle promiscuous mode changes */
260 	void			(*ic_update_promisc)(struct ifnet *);
261 	/* new station association callback/notification */
262 	void			(*ic_newassoc)(struct ieee80211_node *, int);
263 	/* TDMA update notification */
264 	void			(*ic_tdma_update)(struct ieee80211_node *,
265 				    const struct ieee80211_tdma_param *, int);
266 	/* node state management */
267 	struct ieee80211_node*	(*ic_node_alloc)(struct ieee80211vap *,
268 				    const uint8_t [IEEE80211_ADDR_LEN]);
269 	void			(*ic_node_free)(struct ieee80211_node *);
270 	void			(*ic_node_cleanup)(struct ieee80211_node *);
271 	void			(*ic_node_age)(struct ieee80211_node *);
272 	void			(*ic_node_drain)(struct ieee80211_node *);
273 	int8_t			(*ic_node_getrssi)(const struct ieee80211_node*);
274 	void			(*ic_node_getsignal)(const struct ieee80211_node*,
275 				    int8_t *, int8_t *);
276 	void			(*ic_node_getmimoinfo)(
277 				    const struct ieee80211_node*,
278 				    struct ieee80211_mimo_info *);
279 	/* scanning support */
280 	void			(*ic_scan_start)(struct ieee80211com *);
281 	void			(*ic_scan_end)(struct ieee80211com *);
282 	void			(*ic_set_channel)(struct ieee80211com *);
283 	void			(*ic_scan_curchan)(struct ieee80211_scan_state *,
284 				    unsigned long);
285 	void			(*ic_scan_mindwell)(struct ieee80211_scan_state *);
286 
287 	/*
288 	 * 802.11n ADDBA support.  A simple/generic implementation
289 	 * of A-MPDU tx aggregation is provided; the driver may
290 	 * override these methods to provide their own support.
291 	 * A-MPDU rx re-ordering happens automatically if the
292 	 * driver passes out-of-order frames to ieee80211_input
293 	 * from an assocated HT station.
294 	 */
295 	int			(*ic_recv_action)(struct ieee80211_node *,
296 				    const struct ieee80211_frame *,
297 				    const uint8_t *frm, const uint8_t *efrm);
298 	int			(*ic_send_action)(struct ieee80211_node *,
299 				    int category, int action, void *);
300 	/* check if A-MPDU should be enabled this station+ac */
301 	int			(*ic_ampdu_enable)(struct ieee80211_node *,
302 				    struct ieee80211_tx_ampdu *);
303 	/* start/stop doing A-MPDU tx aggregation for a station */
304 	int			(*ic_addba_request)(struct ieee80211_node *,
305 				    struct ieee80211_tx_ampdu *,
306 				    int dialogtoken, int baparamset,
307 				    int batimeout);
308 	int			(*ic_addba_response)(struct ieee80211_node *,
309 				    struct ieee80211_tx_ampdu *,
310 				    int status, int baparamset, int batimeout);
311 	void			(*ic_addba_stop)(struct ieee80211_node *,
312 				    struct ieee80211_tx_ampdu *);
313 	void			(*ic_addba_response_timeout)(struct ieee80211_node *,
314 				    struct ieee80211_tx_ampdu *);
315 	/* BAR response received */
316 	void			(*ic_bar_response)(struct ieee80211_node *,
317 				    struct ieee80211_tx_ampdu *, int status);
318 	/* start/stop doing A-MPDU rx processing for a station */
319 	int			(*ic_ampdu_rx_start)(struct ieee80211_node *,
320 				    struct ieee80211_rx_ampdu *, int baparamset,
321 				    int batimeout, int baseqctl);
322 	void			(*ic_ampdu_rx_stop)(struct ieee80211_node *,
323 				    struct ieee80211_rx_ampdu *);
324 	uint64_t		ic_spare[7];
325 };
326 
327 struct ieee80211_aclator;
328 struct ieee80211_tdma_state;
329 struct ieee80211_mesh_state;
330 struct ieee80211_hwmp_state;
331 
332 struct ieee80211vap {
333 	struct ifmedia		iv_media;	/* interface media config */
334 	struct ifnet		*iv_ifp;	/* associated device */
335 	struct bpf_if		*iv_rawbpf;	/* packet filter structure */
336 	struct sysctl_ctx_list	*iv_sysctl;	/* dynamic sysctl context */
337 	struct sysctl_oid	*iv_oid;	/* net.wlan.X sysctl oid */
338 
339 	TAILQ_ENTRY(ieee80211vap) iv_next;	/* list of vap instances */
340 	struct ieee80211com	*iv_ic;		/* back ptr to common state */
341 	uint32_t		iv_debug;	/* debug msg flags */
342 	struct ieee80211_stats	iv_stats;	/* statistics */
343 
344 	uint8_t			iv_myaddr[IEEE80211_ADDR_LEN];
345 	uint32_t		iv_flags;	/* state flags */
346 	uint32_t		iv_flags_ext;	/* extended state flags */
347 	uint32_t		iv_flags_ht;	/* HT state flags */
348 	uint32_t		iv_flags_ven;	/* vendor state flags */
349 	uint32_t		iv_caps;	/* capabilities */
350 	uint32_t		iv_htcaps;	/* HT capabilities */
351 	uint32_t		iv_htextcaps;	/* HT extended capabilities */
352 	enum ieee80211_opmode	iv_opmode;	/* operation mode */
353 	enum ieee80211_state	iv_state;	/* state machine state */
354 	enum ieee80211_state	iv_nstate;	/* pending state */
355 	int			iv_nstate_arg;	/* pending state arg */
356 	struct task		iv_nstate_task;	/* deferred state processing */
357 	struct task		iv_swbmiss_task;/* deferred iv_bmiss call */
358 	struct callout		iv_mgtsend;	/* mgmt frame response timer */
359 						/* inactivity timer settings */
360 	int			iv_inact_init;	/* setting for new station */
361 	int			iv_inact_auth;	/* auth but not assoc setting */
362 	int			iv_inact_run;	/* authorized setting */
363 	int			iv_inact_probe;	/* inactive probe time */
364 
365 	int			iv_des_nssid;	/* # desired ssids */
366 	struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */
367 	uint8_t			iv_des_bssid[IEEE80211_ADDR_LEN];
368 	struct ieee80211_channel *iv_des_chan;	/* desired channel */
369 	uint16_t		iv_des_mode;	/* desired mode */
370 	int			iv_nicknamelen;	/* XXX junk */
371 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
372 	u_int			iv_bgscanidle;	/* bg scan idle threshold */
373 	u_int			iv_bgscanintvl;	/* bg scan min interval */
374 	u_int			iv_scanvalid;	/* scan cache valid threshold */
375 	u_int			iv_scanreq_duration;
376 	u_int			iv_scanreq_mindwell;
377 	u_int			iv_scanreq_maxdwell;
378 	uint16_t		iv_scanreq_flags;/* held scan request params */
379 	uint8_t			iv_scanreq_nssid;
380 	struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID];
381 	/* sta-mode roaming state */
382 	enum ieee80211_roamingmode iv_roaming;	/* roaming mode */
383 	struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX];
384 
385 	uint8_t			iv_bmissthreshold;
386 	uint8_t			iv_bmiss_count;	/* current beacon miss count */
387 	int			iv_bmiss_max;	/* max bmiss before scan */
388 	uint16_t		iv_swbmiss_count;/* beacons in last period */
389 	uint16_t		iv_swbmiss_period;/* s/w bmiss period */
390 	struct callout		iv_swbmiss;	/* s/w beacon miss timer */
391 
392 	int			iv_ampdu_rxmax;	/* A-MPDU rx limit (bytes) */
393 	int			iv_ampdu_density;/* A-MPDU density */
394 	int			iv_ampdu_limit;	/* A-MPDU tx limit (bytes) */
395 	int			iv_amsdu_limit;	/* A-MSDU tx limit (bytes) */
396 	u_int			iv_ampdu_mintraffic[WME_NUM_AC];
397 
398 	uint32_t		*iv_aid_bitmap;	/* association id map */
399 	uint16_t		iv_max_aid;
400 	uint16_t		iv_sta_assoc;	/* stations associated */
401 	uint16_t		iv_ps_sta;	/* stations in power save */
402 	uint16_t		iv_ps_pending;	/* ps sta's w/ pending frames */
403 	uint16_t		iv_txseq;	/* mcast xmit seq# space */
404 	uint16_t		iv_tim_len;	/* ic_tim_bitmap size (bytes) */
405 	uint8_t			*iv_tim_bitmap;	/* power-save stations w/ data*/
406 	uint8_t			iv_dtim_period;	/* DTIM period */
407 	uint8_t			iv_dtim_count;	/* DTIM count from last bcn */
408 						/* set/unset aid pwrsav state */
409 	int			iv_csa_count;	/* count for doing CSA */
410 
411 	struct ieee80211_node	*iv_bss;	/* information for this node */
412 	struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX];
413 	uint16_t		iv_rtsthreshold;
414 	uint16_t		iv_fragthreshold;
415 	int			iv_inact_timer;	/* inactivity timer wait */
416 	/* application-specified IE's to attach to mgt frames */
417 	struct ieee80211_appie	*iv_appie_beacon;
418 	struct ieee80211_appie	*iv_appie_probereq;
419 	struct ieee80211_appie	*iv_appie_proberesp;
420 	struct ieee80211_appie	*iv_appie_assocreq;
421 	struct ieee80211_appie	*iv_appie_assocresp;
422 	struct ieee80211_appie	*iv_appie_wpa;
423 	uint8_t			*iv_wpa_ie;
424 	uint8_t			*iv_rsn_ie;
425 	uint16_t		iv_max_keyix;	/* max h/w key index */
426 	ieee80211_keyix		iv_def_txkey;	/* default/group tx key index */
427 	struct ieee80211_key	iv_nw_keys[IEEE80211_WEP_NKID];
428 	int			(*iv_key_alloc)(struct ieee80211vap *,
429 				    struct ieee80211_key *,
430 				    ieee80211_keyix *, ieee80211_keyix *);
431 	int			(*iv_key_delete)(struct ieee80211vap *,
432 				    const struct ieee80211_key *);
433 	int			(*iv_key_set)(struct ieee80211vap *,
434 				    const struct ieee80211_key *,
435 				    const uint8_t mac[IEEE80211_ADDR_LEN]);
436 	void			(*iv_key_update_begin)(struct ieee80211vap *);
437 	void			(*iv_key_update_end)(struct ieee80211vap *);
438 
439 	const struct ieee80211_authenticator *iv_auth; /* authenticator glue */
440 	void			*iv_ec;		/* private auth state */
441 
442 	const struct ieee80211_aclator *iv_acl;	/* acl glue */
443 	void			*iv_as;		/* private aclator state */
444 
445 	const struct ieee80211_ratectl *iv_rate;
446 	void			*iv_rs;		/* private ratectl state */
447 
448 	struct ieee80211_tdma_state *iv_tdma;	/* tdma state */
449 	struct ieee80211_mesh_state *iv_mesh;	/* MBSS state */
450 	struct ieee80211_hwmp_state *iv_hwmp;	/* HWMP state */
451 
452 	/* operate-mode detach hook */
453 	void			(*iv_opdetach)(struct ieee80211vap *);
454 	/* receive processing */
455 	int			(*iv_input)(struct ieee80211_node *,
456 				    struct mbuf *, int, int);
457 	void			(*iv_recv_mgmt)(struct ieee80211_node *,
458 				    struct mbuf *, int, int, int);
459 	void			(*iv_recv_ctl)(struct ieee80211_node *,
460 				    struct mbuf *, int);
461 	void			(*iv_deliver_data)(struct ieee80211vap *,
462 				    struct ieee80211_node *, struct mbuf *);
463 #if 0
464 	/* send processing */
465 	int			(*iv_send_mgmt)(struct ieee80211_node *,
466 				     int, int);
467 #endif
468 	/* beacon miss processing */
469 	void			(*iv_bmiss)(struct ieee80211vap *);
470 	/* reset device state after 802.11 parameter/state change */
471 	int			(*iv_reset)(struct ieee80211vap *, u_long);
472 	/* [schedule] beacon frame update */
473 	void			(*iv_update_beacon)(struct ieee80211vap *, int);
474 	/* power save handling */
475 	void			(*iv_update_ps)(struct ieee80211vap *, int);
476 	int			(*iv_set_tim)(struct ieee80211_node *, int);
477 	/* state machine processing */
478 	int			(*iv_newstate)(struct ieee80211vap *,
479 				    enum ieee80211_state, int);
480 	/* 802.3 output method for raw frame xmit */
481 	int			(*iv_output)(struct ifnet *, struct mbuf *,
482 				    struct sockaddr *, struct route *);
483 	uint64_t		iv_spare[6];
484 };
485 
486 #define	IEEE80211_ADDR_EQ(a1,a2)	(memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0)
487 #define	IEEE80211_ADDR_COPY(dst,src)	memcpy(dst,src,IEEE80211_ADDR_LEN)
488 
489 /* ic_flags/iv_flags */
490 #define	IEEE80211_F_TURBOP	0x00000001	/* CONF: ATH Turbo enabled*/
491 #define	IEEE80211_F_COMP	0x00000002	/* CONF: ATH comp enabled */
492 #define	IEEE80211_F_FF		0x00000004	/* CONF: ATH FF enabled */
493 #define	IEEE80211_F_BURST	0x00000008	/* CONF: bursting enabled */
494 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */
495 #define	IEEE80211_F_PRIVACY	0x00000010	/* CONF: privacy enabled */
496 #define	IEEE80211_F_PUREG	0x00000020	/* CONF: 11g w/o 11b sta's */
497 #define	IEEE80211_F_SCAN	0x00000080	/* STATUS: scanning */
498 #define	IEEE80211_F_ASCAN	0x00000100	/* STATUS: active scan */
499 #define	IEEE80211_F_SIBSS	0x00000200	/* STATUS: start IBSS */
500 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */
501 #define	IEEE80211_F_SHSLOT	0x00000400	/* STATUS: use short slot time*/
502 #define	IEEE80211_F_PMGTON	0x00000800	/* CONF: Power mgmt enable */
503 #define	IEEE80211_F_DESBSSID	0x00001000	/* CONF: des_bssid is set */
504 #define	IEEE80211_F_WME		0x00002000	/* CONF: enable WME use */
505 #define	IEEE80211_F_BGSCAN	0x00004000	/* CONF: bg scan enabled (???)*/
506 #define	IEEE80211_F_SWRETRY	0x00008000	/* CONF: sw tx retry enabled */
507 #define IEEE80211_F_TXPOW_FIXED	0x00010000	/* TX Power: fixed rate */
508 #define	IEEE80211_F_IBSSON	0x00020000	/* CONF: IBSS creation enable */
509 #define	IEEE80211_F_SHPREAMBLE	0x00040000	/* STATUS: use short preamble */
510 #define	IEEE80211_F_DATAPAD	0x00080000	/* CONF: do alignment pad */
511 #define	IEEE80211_F_USEPROT	0x00100000	/* STATUS: protection enabled */
512 #define	IEEE80211_F_USEBARKER	0x00200000	/* STATUS: use barker preamble*/
513 #define	IEEE80211_F_CSAPENDING	0x00400000	/* STATUS: chan switch pending*/
514 #define	IEEE80211_F_WPA1	0x00800000	/* CONF: WPA enabled */
515 #define	IEEE80211_F_WPA2	0x01000000	/* CONF: WPA2 enabled */
516 #define	IEEE80211_F_WPA		0x01800000	/* CONF: WPA/WPA2 enabled */
517 #define	IEEE80211_F_DROPUNENC	0x02000000	/* CONF: drop unencrypted */
518 #define	IEEE80211_F_COUNTERM	0x04000000	/* CONF: TKIP countermeasures */
519 #define	IEEE80211_F_HIDESSID	0x08000000	/* CONF: hide SSID in beacon */
520 #define	IEEE80211_F_NOBRIDGE	0x10000000	/* CONF: dis. internal bridge */
521 #define	IEEE80211_F_PCF		0x20000000	/* CONF: PCF enabled */
522 #define	IEEE80211_F_DOTH	0x40000000	/* CONF: 11h enabled */
523 #define	IEEE80211_F_DWDS	0x80000000	/* CONF: Dynamic WDS enabled */
524 
525 #define	IEEE80211_F_BITS \
526 	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
527 	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
528 	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
529 	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
530 	"\37DOTH\40DWDS"
531 
532 /* Atheros protocol-specific flags */
533 #define	IEEE80211_F_ATHEROS \
534 	(IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP)
535 /* Check if an Atheros capability was negotiated for use */
536 #define	IEEE80211_ATH_CAP(vap, ni, bit) \
537 	((vap)->iv_flags & (ni)->ni_ath_flags & (bit))
538 
539 /* ic_flags_ext/iv_flags_ext */
540 #define	IEEE80211_FEXT_INACT	 0x00000002	/* CONF: sta inact handling */
541 #define	IEEE80211_FEXT_SCANWAIT	 0x00000004	/* STATUS: awaiting scan */
542 /* 0x00000006 reserved */
543 #define	IEEE80211_FEXT_BGSCAN	 0x00000008	/* STATUS: complete bgscan */
544 #define	IEEE80211_FEXT_WPS	 0x00000010	/* CONF: WPS enabled */
545 #define	IEEE80211_FEXT_TSN 	 0x00000020	/* CONF: TSN enabled */
546 #define	IEEE80211_FEXT_SCANREQ	 0x00000040	/* STATUS: scan req params */
547 #define	IEEE80211_FEXT_RESUME	 0x00000080	/* STATUS: start on resume */
548 #define	IEEE80211_FEXT_4ADDR	 0x00000100	/* CONF: apply 4-addr encap */
549 #define	IEEE80211_FEXT_NONERP_PR 0x00000200	/* STATUS: non-ERP sta present*/
550 #define	IEEE80211_FEXT_SWBMISS	 0x00000400	/* CONF: do bmiss in s/w */
551 #define	IEEE80211_FEXT_DFS	 0x00000800	/* CONF: DFS enabled */
552 #define	IEEE80211_FEXT_DOTD	 0x00001000	/* CONF: 11d enabled */
553 #define	IEEE80211_FEXT_STATEWAIT 0x00002000	/* STATUS: awaiting state chg */
554 #define	IEEE80211_FEXT_REINIT	 0x00004000	/* STATUS: INIT state first */
555 #define	IEEE80211_FEXT_BPF	 0x00008000	/* STATUS: BPF tap present */
556 /* NB: immutable: should be set only when creating a vap */
557 #define	IEEE80211_FEXT_WDSLEGACY 0x00010000	/* CONF: legacy WDS operation */
558 #define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
559 #define	IEEE80211_FEXT_UNIQMAC	 0x00040000	/* CONF: user or computed mac */
560 
561 #define	IEEE80211_FEXT_BITS \
562 	"\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
563 	"\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \
564 	"\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC"
565 
566 /* ic_flags_ht/iv_flags_ht */
567 #define	IEEE80211_FHT_NONHT_PR	 0x00000001	/* STATUS: non-HT sta present */
568 #define	IEEE80211_FHT_GF  	 0x00040000	/* CONF: Greenfield enabled */
569 #define	IEEE80211_FHT_HT	 0x00080000	/* CONF: HT supported */
570 #define	IEEE80211_FHT_AMPDU_TX	 0x00100000	/* CONF: A-MPDU tx supported */
571 #define	IEEE80211_FHT_AMPDU_RX	 0x00200000	/* CONF: A-MPDU rx supported */
572 #define	IEEE80211_FHT_AMSDU_TX	 0x00400000	/* CONF: A-MSDU tx supported */
573 #define	IEEE80211_FHT_AMSDU_RX	 0x00800000	/* CONF: A-MSDU rx supported */
574 #define	IEEE80211_FHT_USEHT40	 0x01000000	/* CONF: 20/40 use enabled */
575 #define	IEEE80211_FHT_PUREN	 0x02000000	/* CONF: 11n w/o legacy sta's */
576 #define	IEEE80211_FHT_SHORTGI20	 0x04000000	/* CONF: short GI in HT20 */
577 #define	IEEE80211_FHT_SHORTGI40	 0x08000000	/* CONF: short GI in HT40 */
578 #define	IEEE80211_FHT_HTCOMPAT 	 0x10000000	/* CONF: HT vendor OUI's */
579 #define	IEEE80211_FHT_RIFS  	 0x20000000	/* CONF: RIFS enabled */
580 #define	IEEE80211_FHT_STBC_TX 	 0x40000000	/* CONF: STBC tx enabled */
581 #define	IEEE80211_FHT_STBC_RX 	 0x80000000	/* CONF: STBC rx enabled */
582 
583 #define	IEEE80211_FHT_BITS \
584 	"\20\1NONHT_PR" \
585 	"\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \
586 	"\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \
587 	"\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX"
588 
589 #define	IEEE80211_FVEN_BITS	"\20"
590 
591 /* ic_caps/iv_caps: device driver capabilities */
592 /* 0x2e available */
593 #define	IEEE80211_C_STA		0x00000001	/* CAPABILITY: STA available */
594 #define	IEEE80211_C_8023ENCAP	0x00000002	/* CAPABILITY: 802.3 encap */
595 #define	IEEE80211_C_FF		0x00000040	/* CAPABILITY: ATH FF avail */
596 #define	IEEE80211_C_TURBOP	0x00000080	/* CAPABILITY: ATH Turbo avail*/
597 #define	IEEE80211_C_IBSS	0x00000100	/* CAPABILITY: IBSS available */
598 #define	IEEE80211_C_PMGT	0x00000200	/* CAPABILITY: Power mgmt */
599 #define	IEEE80211_C_HOSTAP	0x00000400	/* CAPABILITY: HOSTAP avail */
600 #define	IEEE80211_C_AHDEMO	0x00000800	/* CAPABILITY: Old Adhoc Demo */
601 #define	IEEE80211_C_SWRETRY	0x00001000	/* CAPABILITY: sw tx retry */
602 #define	IEEE80211_C_TXPMGT	0x00002000	/* CAPABILITY: tx power mgmt */
603 #define	IEEE80211_C_SHSLOT	0x00004000	/* CAPABILITY: short slottime */
604 #define	IEEE80211_C_SHPREAMBLE	0x00008000	/* CAPABILITY: short preamble */
605 #define	IEEE80211_C_MONITOR	0x00010000	/* CAPABILITY: monitor mode */
606 #define	IEEE80211_C_DFS		0x00020000	/* CAPABILITY: DFS/radar avail*/
607 #define	IEEE80211_C_MBSS	0x00040000	/* CAPABILITY: MBSS available */
608 /* 0x7c0000 available */
609 #define	IEEE80211_C_WPA1	0x00800000	/* CAPABILITY: WPA1 avail */
610 #define	IEEE80211_C_WPA2	0x01000000	/* CAPABILITY: WPA2 avail */
611 #define	IEEE80211_C_WPA		0x01800000	/* CAPABILITY: WPA1+WPA2 avail*/
612 #define	IEEE80211_C_BURST	0x02000000	/* CAPABILITY: frame bursting */
613 #define	IEEE80211_C_WME		0x04000000	/* CAPABILITY: WME avail */
614 #define	IEEE80211_C_WDS		0x08000000	/* CAPABILITY: 4-addr support */
615 /* 0x10000000 reserved */
616 #define	IEEE80211_C_BGSCAN	0x20000000	/* CAPABILITY: bg scanning */
617 #define	IEEE80211_C_TXFRAG	0x40000000	/* CAPABILITY: tx fragments */
618 #define	IEEE80211_C_TDMA	0x80000000	/* CAPABILITY: TDMA avail */
619 /* XXX protection/barker? */
620 
621 #define	IEEE80211_C_OPMODE \
622 	(IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \
623 	 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \
624 	 IEEE80211_C_TDMA | IEEE80211_C_MBSS)
625 
626 #define	IEEE80211_C_BITS \
627 	"\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \
628 	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
629 	"\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
630 	"\37TXFRAG\40TDMA"
631 
632 /*
633  * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities
634  *
635  * NB: the low 16-bits are the 802.11 definitions, the upper
636  *     16-bits are used to define s/w/driver capabilities.
637  */
638 #define	IEEE80211_HTC_AMPDU	0x00010000	/* CAPABILITY: A-MPDU tx */
639 #define	IEEE80211_HTC_AMSDU	0x00020000	/* CAPABILITY: A-MSDU tx */
640 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */
641 #define	IEEE80211_HTC_HT	0x00040000	/* CAPABILITY: HT operation */
642 #define	IEEE80211_HTC_SMPS	0x00080000	/* CAPABILITY: MIMO power save*/
643 #define	IEEE80211_HTC_RIFS	0x00100000	/* CAPABILITY: RIFS support */
644 #define	IEEE80211_HTC_RXUNEQUAL	0x00200000	/* CAPABILITY: RX unequal MCS */
645 #define	IEEE80211_HTC_RXMCS32	0x00400000	/* CAPABILITY: MCS32 support */
646 #define	IEEE80211_HTC_TXUNEQUAL	0x00800000	/* CAPABILITY: TX unequal MCS */
647 #define	IEEE80211_HTC_TXMCS32	0x01000000	/* CAPABILITY: MCS32 suport */
648 
649 #define	IEEE80211_C_HTCAP_BITS \
650 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
651 	"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
652 
653 void	ieee80211_ifattach(struct ieee80211com *,
654 		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
655 void	ieee80211_ifdetach(struct ieee80211com *);
656 int	ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *,
657 		const char name[IFNAMSIZ], int unit, int opmode, int flags,
658 		const uint8_t bssid[IEEE80211_ADDR_LEN],
659 		const uint8_t macaddr[IEEE80211_ADDR_LEN]);
660 int	ieee80211_vap_attach(struct ieee80211vap *,
661 		ifm_change_cb_t, ifm_stat_cb_t);
662 void	ieee80211_vap_detach(struct ieee80211vap *);
663 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic,
664 		const struct ieee80211_channel *);
665 void	ieee80211_announce(struct ieee80211com *);
666 void	ieee80211_announce_channels(struct ieee80211com *);
667 void	ieee80211_drain(struct ieee80211com *);
668 void	ieee80211_media_init(struct ieee80211com *);
669 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]);
670 int	ieee80211_media_change(struct ifnet *);
671 void	ieee80211_media_status(struct ifnet *, struct ifmediareq *);
672 int	ieee80211_ioctl(struct ifnet *, u_long, caddr_t);
673 int	ieee80211_rate2media(struct ieee80211com *, int,
674 		enum ieee80211_phymode);
675 int	ieee80211_media2rate(int);
676 int	ieee80211_mhz2ieee(u_int, u_int);
677 int	ieee80211_chan2ieee(struct ieee80211com *,
678 		const struct ieee80211_channel *);
679 u_int	ieee80211_ieee2mhz(u_int, u_int);
680 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *,
681 		int freq, int flags);
682 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *,
683 		int ieee, int flags);
684 int	ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode);
685 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *);
686 uint32_t ieee80211_mac_hash(const struct ieee80211com *,
687 		const uint8_t addr[IEEE80211_ADDR_LEN]);
688 
689 void	ieee80211_radiotap_attach(struct ieee80211com *,
690 	    struct ieee80211_radiotap_header *th, int tlen,
691 		uint32_t tx_radiotap,
692 	    struct ieee80211_radiotap_header *rh, int rlen,
693 		uint32_t rx_radiotap);
694 void	ieee80211_radiotap_detach(struct ieee80211com *);
695 void	ieee80211_radiotap_vattach(struct ieee80211vap *);
696 void	ieee80211_radiotap_vdetach(struct ieee80211vap *);
697 void	ieee80211_radiotap_chan_change(struct ieee80211com *);
698 void	ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *);
699 void	ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *);
700 void	ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *);
701 
702 static __inline int
703 ieee80211_radiotap_active(const struct ieee80211com *ic)
704 {
705 	return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0;
706 }
707 
708 static __inline int
709 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap)
710 {
711 	return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) ||
712 	    vap->iv_ic->ic_montaps != 0;
713 }
714 
715 /*
716  * Enqueue a task on the state thread.
717  */
718 static __inline void
719 ieee80211_runtask(struct ieee80211com *ic, struct task *task)
720 {
721 	taskqueue_enqueue(ic->ic_tq, task);
722 }
723 
724 /*
725  * Wait for a queued task to complete.
726  */
727 static __inline void
728 ieee80211_draintask(struct ieee80211com *ic, struct task *task)
729 {
730 	taskqueue_drain(ic->ic_tq, task);
731 }
732 
733 /*
734  * Key update synchronization methods.  XXX should not be visible.
735  */
736 static __inline void
737 ieee80211_key_update_begin(struct ieee80211vap *vap)
738 {
739 	vap->iv_key_update_begin(vap);
740 }
741 static __inline void
742 ieee80211_key_update_end(struct ieee80211vap *vap)
743 {
744 	vap->iv_key_update_end(vap);
745 }
746 
747 /*
748  * XXX these need to be here for IEEE80211_F_DATAPAD
749  */
750 
751 /*
752  * Return the space occupied by the 802.11 header and any
753  * padding required by the driver.  This works for a
754  * management or data frame.
755  */
756 static __inline int
757 ieee80211_hdrspace(struct ieee80211com *ic, const void *data)
758 {
759 	int size = ieee80211_hdrsize(data);
760 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
761 		size = roundup(size, sizeof(uint32_t));
762 	return size;
763 }
764 
765 /*
766  * Like ieee80211_hdrspace, but handles any type of frame.
767  */
768 static __inline int
769 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data)
770 {
771 	int size = ieee80211_anyhdrsize(data);
772 	if (ic->ic_flags & IEEE80211_F_DATAPAD)
773 		size = roundup(size, sizeof(uint32_t));
774 	return size;
775 }
776 
777 /*
778  * Notify a vap that beacon state has been updated.
779  */
780 static __inline void
781 ieee80211_beacon_notify(struct ieee80211vap *vap, int what)
782 {
783 	if (vap->iv_state == IEEE80211_S_RUN)
784 		vap->iv_update_beacon(vap, what);
785 }
786 
787 /*
788  * Calculate HT channel promotion flags for a channel.
789  * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_*
790  */
791 static __inline int
792 ieee80211_htchanflags(const struct ieee80211_channel *c)
793 {
794 	return IEEE80211_IS_CHAN_HT40(c) ?
795 	    IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 :
796 	    IEEE80211_IS_CHAN_HT(c) ?  IEEE80211_FHT_HT : 0;
797 }
798 
799 /*
800  * Debugging facilities compiled in when IEEE80211_DEBUG is defined.
801  *
802  * The intent is that any problem in the net80211 layer can be
803  * diagnosed by inspecting the statistics (dumped by the wlanstats
804  * program) and/or the msgs generated by net80211.  Messages are
805  * broken into functional classes and can be controlled with the
806  * wlandebug program.  Certain of these msg groups are for facilities
807  * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM).
808  */
809 #define	IEEE80211_MSG_11N	0x80000000	/* 11n mode debug */
810 #define	IEEE80211_MSG_DEBUG	0x40000000	/* IFF_DEBUG equivalent */
811 #define	IEEE80211_MSG_DUMPPKTS	0x20000000	/* IFF_LINK2 equivalant */
812 #define	IEEE80211_MSG_CRYPTO	0x10000000	/* crypto work */
813 #define	IEEE80211_MSG_INPUT	0x08000000	/* input handling */
814 #define	IEEE80211_MSG_XRATE	0x04000000	/* rate set handling */
815 #define	IEEE80211_MSG_ELEMID	0x02000000	/* element id parsing */
816 #define	IEEE80211_MSG_NODE	0x01000000	/* node handling */
817 #define	IEEE80211_MSG_ASSOC	0x00800000	/* association handling */
818 #define	IEEE80211_MSG_AUTH	0x00400000	/* authentication handling */
819 #define	IEEE80211_MSG_SCAN	0x00200000	/* scanning */
820 #define	IEEE80211_MSG_OUTPUT	0x00100000	/* output handling */
821 #define	IEEE80211_MSG_STATE	0x00080000	/* state machine */
822 #define	IEEE80211_MSG_POWER	0x00040000	/* power save handling */
823 #define	IEEE80211_MSG_HWMP	0x00020000	/* hybrid mesh protocol */
824 #define	IEEE80211_MSG_DOT1XSM	0x00010000	/* 802.1x state machine */
825 #define	IEEE80211_MSG_RADIUS	0x00008000	/* 802.1x radius client */
826 #define	IEEE80211_MSG_RADDUMP	0x00004000	/* dump 802.1x radius packets */
827 #define	IEEE80211_MSG_MESH	0x00002000	/* mesh networking */
828 #define	IEEE80211_MSG_WPA	0x00001000	/* WPA/RSN protocol */
829 #define	IEEE80211_MSG_ACL	0x00000800	/* ACL handling */
830 #define	IEEE80211_MSG_WME	0x00000400	/* WME protocol */
831 #define	IEEE80211_MSG_SUPERG	0x00000200	/* Atheros SuperG protocol */
832 #define	IEEE80211_MSG_DOTH	0x00000100	/* 802.11h support */
833 #define	IEEE80211_MSG_INACT	0x00000080	/* inactivity handling */
834 #define	IEEE80211_MSG_ROAM	0x00000040	/* sta-mode roaming */
835 #define	IEEE80211_MSG_RATECTL	0x00000020	/* tx rate control */
836 #define	IEEE80211_MSG_ACTION	0x00000010	/* action frame handling */
837 #define	IEEE80211_MSG_WDS	0x00000008	/* WDS handling */
838 #define	IEEE80211_MSG_IOCTL	0x00000004	/* ioctl handling */
839 #define	IEEE80211_MSG_TDMA	0x00000002	/* TDMA handling */
840 
841 #define	IEEE80211_MSG_ANY	0xffffffff	/* anything */
842 
843 #define	IEEE80211_MSG_BITS \
844 	"\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
845 	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \
846 	"\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \
847 	"\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N"
848 
849 #ifdef IEEE80211_DEBUG
850 #define	ieee80211_msg(_vap, _m)	((_vap)->iv_debug & (_m))
851 #define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do {			\
852 	if (ieee80211_msg(_vap, _m))					\
853 		ieee80211_note(_vap, _fmt, __VA_ARGS__);		\
854 } while (0)
855 #define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do {			\
856 	if (ieee80211_msg(_vap, _m))					\
857 		ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\
858 } while (0)
859 #define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do {		\
860 	if (ieee80211_msg(_vap, _m))					\
861 		ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__);	\
862 } while (0)
863 #define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do {		\
864 	if (ieee80211_msg(_vap, _m))					\
865 		ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__);	\
866 } while (0)
867 void	ieee80211_note(const struct ieee80211vap *, const char *, ...);
868 void	ieee80211_note_mac(const struct ieee80211vap *,
869 		const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...);
870 void	ieee80211_note_frame(const struct ieee80211vap *,
871 		const struct ieee80211_frame *, const char *, ...);
872 #define	ieee80211_msg_debug(_vap) \
873 	((_vap)->iv_debug & IEEE80211_MSG_DEBUG)
874 #define	ieee80211_msg_dumppkts(_vap) \
875 	((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS)
876 #define	ieee80211_msg_input(_vap) \
877 	((_vap)->iv_debug & IEEE80211_MSG_INPUT)
878 #define	ieee80211_msg_radius(_vap) \
879 	((_vap)->iv_debug & IEEE80211_MSG_RADIUS)
880 #define	ieee80211_msg_dumpradius(_vap) \
881 	((_vap)->iv_debug & IEEE80211_MSG_RADDUMP)
882 #define	ieee80211_msg_dumpradkeys(_vap) \
883 	((_vap)->iv_debug & IEEE80211_MSG_RADKEYS)
884 #define	ieee80211_msg_scan(_vap) \
885 	((_vap)->iv_debug & IEEE80211_MSG_SCAN)
886 #define	ieee80211_msg_assoc(_vap) \
887 	((_vap)->iv_debug & IEEE80211_MSG_ASSOC)
888 
889 /*
890  * Emit a debug message about discarding a frame or information
891  * element.  One format is for extracting the mac address from
892  * the frame header; the other is for when a header is not
893  * available or otherwise appropriate.
894  */
895 #define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do {		\
896 	if ((_vap)->iv_debug & (_m))					\
897 		ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\
898 } while (0)
899 #define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do {	\
900 	if ((_vap)->iv_debug & (_m))					\
901 		ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\
902 } while (0)
903 #define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do {	\
904 	if ((_vap)->iv_debug & (_m))					\
905 		ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\
906 } while (0)
907 
908 void ieee80211_discard_frame(const struct ieee80211vap *,
909 	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
910 void ieee80211_discard_ie(const struct ieee80211vap *,
911 	const struct ieee80211_frame *, const char *type, const char *fmt, ...);
912 void ieee80211_discard_mac(const struct ieee80211vap *,
913 	const uint8_t mac[IEEE80211_ADDR_LEN], const char *type,
914 	const char *fmt, ...);
915 #else
916 #define	IEEE80211_DPRINTF(_vap, _m, _fmt, ...)
917 #define	IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...)
918 #define	IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...)
919 #define	IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...)
920 #define	ieee80211_msg_dumppkts(_vap)	0
921 #define	ieee80211_msg(_vap, _m)		0
922 
923 #define	IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...)
924 #define	IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...)
925 #define	IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...)
926 #endif
927 
928 #endif /* _FBSD_COMPAT_NET80211_IEEE80211_VAR_H_ */
929