xref: /freebsd/sys/net80211/ieee80211_freebsd.h (revision 6ff6d951ade3f3379932df7f878ef3ea272cfc59)
1 /*-
2  * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 #ifndef _NET80211_IEEE80211_FREEBSD_H_
28 #define _NET80211_IEEE80211_FREEBSD_H_
29 
30 #ifdef _KERNEL
31 #include <sys/param.h>
32 #include <sys/lock.h>
33 #include <sys/mutex.h>
34 #include <sys/rwlock.h>
35 
36 /*
37  * Common state locking definitions.
38  */
39 typedef struct mtx ieee80211_com_lock_t;
40 #define	IEEE80211_LOCK_INIT(_ic, _name) \
41 	mtx_init(&(_ic)->ic_comlock, _name, "802.11 com lock", \
42 	    MTX_DEF | MTX_RECURSE)
43 #define	IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(&(_ic)->ic_comlock)
44 #define	IEEE80211_LOCK(_ic)	   mtx_lock(&(_ic)->ic_comlock)
45 #define	IEEE80211_UNLOCK(_ic)	   mtx_unlock(&(_ic)->ic_comlock)
46 #define	IEEE80211_LOCK_ASSERT(_ic) \
47 	mtx_assert(&(_ic)->ic_comlock, MA_OWNED)
48 
49 /*
50  * Node locking definitions.
51  */
52 typedef struct {
53 	char		name[16];		/* e.g. "ath0_node_lock" */
54 	struct mtx	mtx;
55 } ieee80211_node_lock_t;
56 #define	IEEE80211_NODE_LOCK_INIT(_nt, _name) do {			\
57 	ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;		\
58 	snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);	\
59 	mtx_init(&nl->mtx, NULL, nl->name, MTX_DEF | MTX_RECURSE);	\
60 } while (0)
61 #define	IEEE80211_NODE_LOCK_DESTROY(_nt) \
62 	mtx_destroy(&(_nt)->nt_nodelock.mtx)
63 #define	IEEE80211_NODE_LOCK(_nt) \
64 	mtx_lock(&(_nt)->nt_nodelock.mtx)
65 #define	IEEE80211_NODE_IS_LOCKED(_nt) \
66 	mtx_owned(&(_nt)->nt_nodelock.mtx)
67 #define	IEEE80211_NODE_UNLOCK(_nt) \
68 	mtx_unlock(&(_nt)->nt_nodelock.mtx)
69 #define	IEEE80211_NODE_LOCK_ASSERT(_nt)	\
70 	mtx_assert(&(_nt)->nt_nodelock.mtx, MA_OWNED)
71 
72 /*
73  * Node table iteration locking definitions; this protects the
74  * scan generation # used to iterate over the station table
75  * while grabbing+releasing the node lock.
76  */
77 typedef struct {
78 	char		name[16];		/* e.g. "ath0_scan_lock" */
79 	struct mtx	mtx;
80 } ieee80211_scan_lock_t;
81 #define	IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {		\
82 	ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;		\
83 	snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);	\
84 	mtx_init(&sl->mtx, NULL, sl->name, MTX_DEF);			\
85 } while (0)
86 #define	IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
87 	mtx_destroy(&(_nt)->nt_scanlock.mtx)
88 #define	IEEE80211_NODE_ITERATE_LOCK(_nt) \
89 	mtx_lock(&(_nt)->nt_scanlock.mtx)
90 #define	IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
91 	mtx_unlock(&(_nt)->nt_scanlock.mtx)
92 
93 #define	_AGEQ_ENQUEUE(_ifq, _m, _qlen, _age) do {		\
94 	(_m)->m_nextpkt = NULL;					\
95 	if ((_ifq)->ifq_tail != NULL) { 			\
96 		_age -= M_AGE_GET((_ifq)->ifq_tail);		\
97 		(_ifq)->ifq_tail->m_nextpkt = (_m);		\
98 	} else { 						\
99 		(_ifq)->ifq_head = (_m); 			\
100 	}							\
101 	M_AGE_SET(_m, _age);					\
102 	(_ifq)->ifq_tail = (_m); 				\
103 	(_qlen) = ++(_ifq)->ifq_len; 				\
104 } while (0)
105 
106 /*
107  * Per-node power-save queue definitions.
108  */
109 #define	IEEE80211_NODE_SAVEQ_INIT(_ni, _name) do {		\
110 	mtx_init(&(_ni)->ni_savedq.ifq_mtx, _name, "802.11 ps queue", MTX_DEF);\
111 	(_ni)->ni_savedq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE;	\
112 } while (0)
113 #define	IEEE80211_NODE_SAVEQ_DESTROY(_ni) \
114 	mtx_destroy(&(_ni)->ni_savedq.ifq_mtx)
115 #define	IEEE80211_NODE_SAVEQ_QLEN(_ni) \
116 	_IF_QLEN(&(_ni)->ni_savedq)
117 #define	IEEE80211_NODE_SAVEQ_LOCK(_ni) do {	\
118 	IF_LOCK(&(_ni)->ni_savedq);				\
119 } while (0)
120 #define	IEEE80211_NODE_SAVEQ_UNLOCK(_ni) do {	\
121 	IF_UNLOCK(&(_ni)->ni_savedq);				\
122 } while (0)
123 #define	IEEE80211_NODE_SAVEQ_DEQUEUE(_ni, _m, _qlen) do {	\
124 	IEEE80211_NODE_SAVEQ_LOCK(_ni);				\
125 	_IF_DEQUEUE(&(_ni)->ni_savedq, _m);			\
126 	(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni);		\
127 	IEEE80211_NODE_SAVEQ_UNLOCK(_ni);			\
128 } while (0)
129 #define	IEEE80211_NODE_SAVEQ_DRAIN(_ni, _qlen) do {		\
130 	IEEE80211_NODE_SAVEQ_LOCK(_ni);				\
131 	(_qlen) = IEEE80211_NODE_SAVEQ_QLEN(_ni);		\
132 	_IF_DRAIN(&(_ni)->ni_savedq);				\
133 	IEEE80211_NODE_SAVEQ_UNLOCK(_ni);			\
134 } while (0)
135 /* XXX could be optimized */
136 #define	_IEEE80211_NODE_SAVEQ_DEQUEUE_HEAD(_ni, _m) do {	\
137 	_IF_DEQUEUE(&(_ni)->ni_savedq, m);			\
138 } while (0)
139 #define	_IEEE80211_NODE_SAVEQ_ENQUEUE(_ni, _m, _qlen, _age) do {\
140 	_AGEQ_ENQUEUE(&ni->ni_savedq, _m, _qlen, _age);		\
141 } while (0)
142 
143 #define	IEEE80211_TAPQ_INIT(_tap) do {				\
144 	mtx_init(&(tap)->txa_q.ifq_mtx, "ampdu tx queue", NULL, MTX_DEF); \
145 	(_tap)->txa_q.ifq_maxlen = IEEE80211_AGGR_BAWMAX;	\
146 } while (0)
147 #define	IEEE80211_TAPQ_DESTROY(_tap) \
148 	mtx_destroy(&(_tap)->txa_q.ifq_mtx)
149 
150 #ifndef IF_PREPEND_LIST
151 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
152 	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
153 	if ((ifq)->ifq_tail == NULL)				\
154 		(ifq)->ifq_tail = (mtail);			\
155 	(ifq)->ifq_head = (mhead);				\
156 	(ifq)->ifq_len += (mcount);				\
157 } while (0)
158 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
159 	IF_LOCK(ifq);						\
160 	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
161 	IF_UNLOCK(ifq);						\
162 } while (0)
163 #endif /* IF_PREPEND_LIST */
164 
165 /* XXX temporary */
166 #define	IEEE80211_NODE_WDSQ_INIT(_ni, _name) do {		\
167 	mtx_init(&(_ni)->ni_wdsq.ifq_mtx, _name, "802.11 wds queue", MTX_DEF);\
168 	(_ni)->ni_wdsq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE;	\
169 } while (0)
170 #define	IEEE80211_NODE_WDSQ_DESTROY(_ni) do { \
171 	mtx_destroy(&(_ni)->ni_wdsq.ifq_mtx); \
172 } while (0)
173 #define	IEEE80211_NODE_WDSQ_QLEN(_ni)	_IF_QLEN(&(_ni)->ni_wdsq)
174 #define	IEEE80211_NODE_WDSQ_LOCK(_ni)	IF_LOCK(&(_ni)->ni_wdsq)
175 #define	IEEE80211_NODE_WDSQ_UNLOCK(_ni)	IF_UNLOCK(&(_ni)->ni_wdsq)
176 #define	_IEEE80211_NODE_WDSQ_DEQUEUE_HEAD(_ni, _m) do {		\
177 	_IF_DEQUEUE(&(_ni)->ni_wdsq, m);			\
178 } while (0)
179 #define	_IEEE80211_NODE_WDSQ_ENQUEUE(_ni, _m, _qlen, _age) do {	\
180 	_AGEQ_ENQUEUE(&ni->ni_wdsq, _m, _qlen, _age);		\
181 } while (0)
182 
183 /*
184  * 802.1x MAC ACL database locking definitions.
185  */
186 typedef struct mtx acl_lock_t;
187 #define	ACL_LOCK_INIT(_as, _name) \
188 	mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
189 #define	ACL_LOCK_DESTROY(_as)		mtx_destroy(&(_as)->as_lock)
190 #define	ACL_LOCK(_as)			mtx_lock(&(_as)->as_lock)
191 #define	ACL_UNLOCK(_as)			mtx_unlock(&(_as)->as_lock)
192 #define	ACL_LOCK_ASSERT(_as) \
193 	mtx_assert((&(_as)->as_lock), MA_OWNED)
194 
195 /*
196  * Node reference counting definitions.
197  *
198  * ieee80211_node_initref	initialize the reference count to 1
199  * ieee80211_node_incref	add a reference
200  * ieee80211_node_decref	remove a reference
201  * ieee80211_node_dectestref	remove a reference and return 1 if this
202  *				is the last reference, otherwise 0
203  * ieee80211_node_refcnt	reference count for printing (only)
204  */
205 #include <machine/atomic.h>
206 
207 #define ieee80211_node_initref(_ni) \
208 	do { ((_ni)->ni_refcnt = 1); } while (0)
209 #define ieee80211_node_incref(_ni) \
210 	atomic_add_int(&(_ni)->ni_refcnt, 1)
211 #define	ieee80211_node_decref(_ni) \
212 	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
213 struct ieee80211_node;
214 int	ieee80211_node_dectestref(struct ieee80211_node *ni);
215 #define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
216 
217 struct ifqueue;
218 struct ieee80211vap;
219 void	ieee80211_drain_ifq(struct ifqueue *);
220 void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
221 
222 void	ieee80211_vap_destroy(struct ieee80211vap *);
223 
224 #define	IFNET_IS_UP_RUNNING(_ifp) \
225 	(((_ifp)->if_flags & IFF_UP) && \
226 	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
227 
228 #define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
229 #define	ticks_to_msecs(t)	(1000*(t) / hz)
230 #define	ticks_to_secs(t)	((t) / hz)
231 #define time_after(a,b) 	((long)(b) - (long)(a) < 0)
232 #define time_before(a,b)	time_after(b,a)
233 #define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
234 #define time_before_eq(a,b)	time_after_eq(b,a)
235 
236 #define	memmove(dst, src, n)	ovbcopy(src, dst, n)
237 
238 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
239 
240 /* tx path usage */
241 #define	M_LINK0		M_PROTO1		/* WEP requested */
242 #define	M_WDS		M_PROTO2		/* WDS frame */
243 #define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
244 #define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
245 #define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
246 #define	M_FF		M_PROTO6		/* fast frame */
247 #define	M_TXCB		M_PROTO7		/* do tx complete callback */
248 #define	M_80211_TX \
249 	(M_LINK0|M_WDS|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB)
250 
251 /* rx path usage */
252 #define	M_AMPDU		M_PROTO1		/* A-MPDU processing done */
253 #define	M_WEP		M_PROTO2		/* WEP done by hardware */
254 #define	M_80211_RX	(M_AMPDU|M_WEP)
255 /*
256  * Store WME access control bits in the vlan tag.
257  * This is safe since it's done after the packet is classified
258  * (where we use any previous tag) and because it's passed
259  * directly in to the driver and there's no chance someone
260  * else will clobber them on us.
261  */
262 #define	M_WME_SETAC(m, ac) \
263 	((m)->m_pkthdr.ether_vtag = (ac))
264 #define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
265 
266 /*
267  * Mbufs on the power save queue are tagged with an age and
268  * timed out.  We reuse the hardware checksum field in the
269  * mbuf packet header to store this data.
270  */
271 #define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
272 #define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
273 #define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
274 
275 #define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
276 
277 struct ieee80211_cb {
278 	void	(*func)(struct ieee80211_node *, void *, int status);
279 	void	*arg;
280 };
281 #define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
282 int	ieee80211_add_callback(struct mbuf *m,
283 		void (*func)(struct ieee80211_node *, void *, int), void *arg);
284 void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
285 
286 void	get_random_bytes(void *, size_t);
287 
288 struct ieee80211com;
289 
290 void	ieee80211_sysctl_attach(struct ieee80211com *);
291 void	ieee80211_sysctl_detach(struct ieee80211com *);
292 void	ieee80211_sysctl_vattach(struct ieee80211vap *);
293 void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
294 
295 void	ieee80211_load_module(const char *);
296 
297 /*
298  * A "policy module" is an adjunct module to net80211 that provides
299  * functionality that typically includes policy decisions.  This
300  * modularity enables extensibility and vendor-supplied functionality.
301  */
302 #define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
303 typedef void (*policy##_setup)(int);					\
304 SET_DECLARE(policy##_set, policy##_setup);				\
305 static int								\
306 wlan_##name##_modevent(module_t mod, int type, void *unused)		\
307 {									\
308 	policy##_setup * const *iter, f;				\
309 	switch (type) {							\
310 	case MOD_LOAD:							\
311 		SET_FOREACH(iter, policy##_set) {			\
312 			f = (void*) *iter;				\
313 			f(type);					\
314 		}							\
315 		return 0;						\
316 	case MOD_UNLOAD:						\
317 	case MOD_QUIESCE:						\
318 		if (nrefs) {						\
319 			printf("wlan_##name: still in use (%u dynamic refs)\n",\
320 				nrefs);					\
321 			return EBUSY;					\
322 		}							\
323 		if (type == MOD_UNLOAD) {				\
324 			SET_FOREACH(iter, policy##_set) {		\
325 				f = (void*) *iter;			\
326 				f(type);				\
327 			}						\
328 		}							\
329 		return 0;						\
330 	}								\
331 	return EINVAL;							\
332 }									\
333 static moduledata_t name##_mod = {					\
334 	"wlan_" #name,							\
335 	wlan_##name##_modevent,						\
336 	0								\
337 };									\
338 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
339 MODULE_VERSION(wlan_##name, version);					\
340 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
341 
342 /*
343  * Crypto modules implement cipher support.
344  */
345 #define	IEEE80211_CRYPTO_MODULE(name, version)				\
346 _IEEE80211_POLICY_MODULE(crypto, name, version);			\
347 static void								\
348 name##_modevent(int type)						\
349 {									\
350 	if (type == MOD_LOAD)						\
351 		ieee80211_crypto_register(&name);			\
352 	else								\
353 		ieee80211_crypto_unregister(&name);			\
354 }									\
355 TEXT_SET(crypto##_set, name##_modevent)
356 
357 /*
358  * Scanner modules provide scanning policy.
359  */
360 #define	IEEE80211_SCANNER_MODULE(name, version)				\
361 	_IEEE80211_POLICY_MODULE(scanner, name, version)
362 
363 #define	IEEE80211_SCANNER_ALG(name, alg, v)				\
364 static void								\
365 name##_modevent(int type)						\
366 {									\
367 	if (type == MOD_LOAD)						\
368 		ieee80211_scanner_register(alg, &v);			\
369 	else								\
370 		ieee80211_scanner_unregister(alg, &v);			\
371 }									\
372 TEXT_SET(scanner_set, name##_modevent);					\
373 
374 /*
375  * ACL modules implement acl policy.
376  */
377 #define	IEEE80211_ACL_MODULE(name, alg, version)			\
378 _IEEE80211_POLICY_MODULE(acl, name, version);				\
379 static void								\
380 alg##_modevent(int type)						\
381 {									\
382 	if (type == MOD_LOAD)						\
383 		ieee80211_aclator_register(&alg);			\
384 	else								\
385 		ieee80211_aclator_unregister(&alg);			\
386 }									\
387 TEXT_SET(acl_set, alg##_modevent);					\
388 
389 /*
390  * Authenticator modules handle 802.1x/WPA authentication.
391  */
392 #define	IEEE80211_AUTH_MODULE(name, version)				\
393 	_IEEE80211_POLICY_MODULE(auth, name, version)
394 
395 #define	IEEE80211_AUTH_ALG(name, alg, v)				\
396 static void								\
397 name##_modevent(int type)						\
398 {									\
399 	if (type == MOD_LOAD)						\
400 		ieee80211_authenticator_register(alg, &v);		\
401 	else								\
402 		ieee80211_authenticator_unregister(alg);		\
403 }									\
404 TEXT_SET(auth_set, name##_modevent)
405 
406 /*
407  * Rate control modules provide tx rate control support.
408  */
409 #define	IEEE80211_RATE_MODULE(alg, version)				\
410 _IEEE80211_POLICY_MODULE(rate, alg, version);				\
411 static void								\
412 alg##_modevent(int type)						\
413 {									\
414 	/* XXX nothing to do until the rate control framework arrives */\
415 }									\
416 TEXT_SET(rate##_set, alg##_modevent)
417 #endif /* _KERNEL */
418 
419 /* XXX this stuff belongs elsewhere */
420 /*
421  * Message formats for messages from the net80211 layer to user
422  * applications via the routing socket.  These messages are appended
423  * to an if_announcemsghdr structure.
424  */
425 struct ieee80211_join_event {
426 	uint8_t		iev_addr[6];
427 };
428 
429 struct ieee80211_leave_event {
430 	uint8_t		iev_addr[6];
431 };
432 
433 struct ieee80211_replay_event {
434 	uint8_t		iev_src[6];	/* src MAC */
435 	uint8_t		iev_dst[6];	/* dst MAC */
436 	uint8_t		iev_cipher;	/* cipher type */
437 	uint8_t		iev_keyix;	/* key id/index */
438 	uint64_t	iev_keyrsc;	/* RSC from key */
439 	uint64_t	iev_rsc;	/* RSC from frame */
440 };
441 
442 struct ieee80211_michael_event {
443 	uint8_t		iev_src[6];	/* src MAC */
444 	uint8_t		iev_dst[6];	/* dst MAC */
445 	uint8_t		iev_cipher;	/* cipher type */
446 	uint8_t		iev_keyix;	/* key id/index */
447 };
448 
449 struct ieee80211_wds_event {
450 	uint8_t		iev_addr[6];
451 };
452 
453 struct ieee80211_csa_event {
454 	uint32_t	iev_flags;	/* channel flags */
455 	uint16_t	iev_freq;	/* setting in Mhz */
456 	uint8_t		iev_ieee;	/* IEEE channel number */
457 	uint8_t		iev_mode;	/* CSA mode */
458 	uint8_t		iev_count;	/* CSA count */
459 };
460 
461 struct ieee80211_cac_event {
462 	uint32_t	iev_flags;	/* channel flags */
463 	uint16_t	iev_freq;	/* setting in Mhz */
464 	uint8_t		iev_ieee;	/* IEEE channel number */
465 	/* XXX timestamp? */
466 	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
467 };
468 
469 struct ieee80211_radar_event {
470 	uint32_t	iev_flags;	/* channel flags */
471 	uint16_t	iev_freq;	/* setting in Mhz */
472 	uint8_t		iev_ieee;	/* IEEE channel number */
473 	/* XXX timestamp? */
474 };
475 
476 struct ieee80211_auth_event {
477 	uint8_t		iev_addr[6];
478 };
479 
480 struct ieee80211_deauth_event {
481 	uint8_t		iev_addr[6];
482 };
483 
484 struct ieee80211_country_event {
485 	uint8_t		iev_addr[6];
486 	uint8_t		iev_cc[2];	/* ISO country code */
487 };
488 
489 struct ieee80211_radio_event {
490 	uint8_t		iev_state;	/* 1 on, 0 off */
491 };
492 
493 #define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
494 #define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
495 #define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
496 #define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
497 #define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
498 #define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
499 #define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
500 #define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
501 #define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
502 #define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
503 #define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
504 #define	RTM_IEEE80211_RADAR	111	/* radar event */
505 #define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
506 #define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
507 #define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
508 #define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
509 #define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
510 
511 /*
512  * Structure prepended to raw packets sent through the bpf
513  * interface when set to DLT_IEEE802_11_RADIO.  This allows
514  * user applications to specify pretty much everything in
515  * an Atheros tx descriptor.  XXX need to generalize.
516  *
517  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
518  * XXX sa_data area.
519  */
520 struct ieee80211_bpf_params {
521 	uint8_t		ibp_vers;	/* version */
522 #define	IEEE80211_BPF_VERSION	0
523 	uint8_t		ibp_len;	/* header length in bytes */
524 	uint8_t		ibp_flags;
525 #define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
526 #define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
527 #define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
528 #define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
529 #define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
530 #define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
531 #define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
532 	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
533 	uint8_t		ibp_try0;	/* series 1 try count */
534 	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
535 	uint8_t		ibp_power;	/* tx power (device units) */
536 	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
537 	uint8_t		ibp_try1;	/* series 2 try count */
538 	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
539 	uint8_t		ibp_try2;	/* series 3 try count */
540 	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
541 	uint8_t		ibp_try3;	/* series 4 try count */
542 	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
543 };
544 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */
545