xref: /dflybsd-src/sys/netproto/802_11/ieee80211_dragonfly.h (revision d83c779ab2c938232fa7b53777cd18cc9c4fc8e4)
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: head/sys/net80211/ieee80211_freebsd.h 195618 2009-07-11 15:02:45Z rpaulo $
26  * $DragonFly$
27  */
28 #ifndef _NET80211_IEEE80211_DRAGONFLY_H_
29 #define _NET80211_IEEE80211_DRAGONFLY_H_
30 
31 #ifdef _KERNEL
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/lock.h>
35 #include <sys/mutex2.h>
36 #include <sys/sysctl.h>
37 #include <sys/taskqueue.h>
38 
39 #define	IF_LOCK(_lock)		/* */
40 #define IF_UNLOCK(_lock)	/* */
41 
42 /*
43  * Common state locking definitions.
44  */
45 typedef struct {
46 	char		name[16];		/* e.g. "ath0_com_lock" */
47 	struct lock	lock;
48 } ieee80211_com_lock_t;
49 #define	IEEE80211_LOCK_INIT(_ic, _name) do {				\
50 	ieee80211_com_lock_t *cl = &(_ic)->ic_comlock;			\
51 	ksnprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name);	\
52 	lockinit(&cl->lock, cl->name, 0, LK_CANRECURSE);		\
53 } while (0)
54 #define	IEEE80211_LOCK_OBJ(_ic)	(&(_ic)->ic_comlock.lock)
55 #define	IEEE80211_LOCK_DESTROY(_ic) lockuninit(IEEE80211_LOCK_OBJ(_ic))
56 #define	IEEE80211_LOCK(_ic) \
57 	lockmgr(IEEE80211_LOCK_OBJ(_ic), LK_EXCLUSIVE)
58 #define	IEEE80211_UNLOCK(_ic)	   lockmgr(IEEE80211_LOCK_OBJ(_ic), LK_RELEASE)
59 #define	IEEE80211_LOCK_ASSERT(_ic) \
60     	KKASSERT(lockstatus(IEEE80211_LOCK_OBJ(_ic), curthread) != 0)
61 
62 /*
63  * Node locking definitions.
64  */
65 typedef struct {
66 	char		name[16];		/* e.g. "ath0_node_lock" */
67 	struct lock	lock;
68 } ieee80211_node_lock_t;
69 #define	IEEE80211_NODE_LOCK_INIT(_nt, _name) do {			\
70 	ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;		\
71 	ksnprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);	\
72 	lockinit(&nl->lock, nl->name, 0, LK_CANRECURSE);		\
73 } while (0)
74 #define	IEEE80211_NODE_LOCK_OBJ(_nt)	(&(_nt)->nt_nodelock.lock)
75 #define	IEEE80211_NODE_LOCK_DESTROY(_nt) \
76 	lockuninit(IEEE80211_NODE_LOCK_OBJ(_nt))
77 #define	IEEE80211_NODE_LOCK(_nt) \
78 	lockmgr(IEEE80211_NODE_LOCK_OBJ(_nt), LK_EXCLUSIVE)
79 #define	IEEE80211_NODE_IS_LOCKED(_nt) \
80 	(lockstatus(IEEE80211_NODE_LOCK_OBJ(_nt), curthread) == LK_EXCLUSIVE)
81 #define	IEEE80211_NODE_UNLOCK(_nt) \
82 	lockmgr(IEEE80211_NODE_LOCK_OBJ(_nt), LK_RELEASE)
83 #define	IEEE80211_NODE_LOCK_ASSERT(_nt)	\
84 	KKASSERT(lockstatus(IEEE80211_NODE_LOCK_OBJ(_nt), curthread) != 0)
85 
86 /*
87  * Node table iteration locking definitions; this protects the
88  * scan generation # used to iterate over the station table
89  * while grabbing+releasing the node lock.
90  */
91 typedef struct {
92 	char		name[16];		/* e.g. "ath0_scan_lock" */
93 	struct lock	lock;
94 } ieee80211_scan_lock_t;
95 #define	IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {		\
96 	ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;		\
97 	ksnprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);	\
98 	lockinit(&sl->lock, sl->name, 0, 0);				\
99 } while (0)
100 #define	IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)	(&(_nt)->nt_scanlock.lock)
101 #define	IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
102 	lockuninit(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
103 #define	IEEE80211_NODE_ITERATE_LOCK(_nt) \
104 	lockmgr(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt), LK_EXCLUSIVE)
105 #define	IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
106 	lockmgr(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt), LK_RELEASE)
107 
108 /*
109  * Power-save queue definitions.
110  */
111 typedef struct lock ieee80211_psq_lock_t;
112 #define	IEEE80211_PSQ_INIT(_psq, _name) \
113 	lockinit(&(_psq)->psq_lock, __DECONST(char *, _name), 0, 0)
114 #define	IEEE80211_PSQ_DESTROY(_psq)	lockuninit(&(_psq)->psq_lock)
115 #define	IEEE80211_PSQ_LOCK(_psq)	lockmgr(&(_psq)->psq_lock, LK_EXCLUSIVE)
116 #define	IEEE80211_PSQ_UNLOCK(_psq)	lockmgr(&(_psq)->psq_lock, LK_RELEASE)
117 
118 #ifndef IF_PREPEND_LIST
119 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
120 	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
121 	if ((ifq)->ifq_tail == NULL)				\
122 		(ifq)->ifq_tail = (mtail);			\
123 	(ifq)->ifq_head = (mhead);				\
124 	(ifq)->ifq_len += (mcount);				\
125 } while (0)
126 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
127 	IF_LOCK(ifq);						\
128 	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
129 	IF_UNLOCK(ifq);						\
130 } while (0)
131 #endif /* IF_PREPEND_LIST */
132 
133 /*
134  * Age queue definitions.
135  */
136 typedef struct lock ieee80211_ageq_lock_t;
137 #define	IEEE80211_AGEQ_INIT(_aq, _name) \
138 	lockinit(&(_aq)->aq_lock, __DECONST(char *, _name), 0, 0)
139 #define	IEEE80211_AGEQ_DESTROY(_aq)	lockuninit(&(_aq)->aq_lock)
140 #define	IEEE80211_AGEQ_LOCK(_aq)	lockmgr(&(_aq)->aq_lock, LK_EXCLUSIVE)
141 #define	IEEE80211_AGEQ_UNLOCK(_aq)	lockmgr(&(_aq)->aq_lock, LK_RELEASE)
142 
143 /*
144  * 802.1x MAC ACL database locking definitions.
145  */
146 typedef struct lock acl_lock_t;
147 #define	ACL_LOCK_INIT(_as, _name) \
148 	lockinit(&(_as)->as_lock, __DECONST(char *, _name), 0, 0)
149 #define	ACL_LOCK_DESTROY(_as)		lockuninit(&(_as)->as_lock)
150 #define	ACL_LOCK(_as)			lockmgr(&(_as)->as_lock, LK_EXCLUSIVE)
151 #define	ACL_UNLOCK(_as)			lockmgr(&(_as)->as_lock, LK_RELEASE)
152 #define	ACL_LOCK_ASSERT(_as) \
153 	KKASSERT(lockstatus(&(_as)->as_lock, curthread) != 0)
154 
155 /*
156  * Node reference counting definitions.
157  *
158  * ieee80211_node_initref	initialize the reference count to 1
159  * ieee80211_node_incref	add a reference
160  * ieee80211_node_decref	remove a reference
161  * ieee80211_node_dectestref	remove a reference and return 1 if this
162  *				is the last reference, otherwise 0
163  * ieee80211_node_refcnt	reference count for printing (only)
164  */
165 #include <machine/atomic.h>
166 
167 #define ieee80211_node_initref(_ni) \
168 	do { ((_ni)->ni_refcnt = 1); } while (0)
169 #define ieee80211_node_incref(_ni) \
170 	atomic_add_int(&(_ni)->ni_refcnt, 1)
171 #define	ieee80211_node_decref(_ni) \
172 	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
173 struct ieee80211_node;
174 int	ieee80211_node_dectestref(struct ieee80211_node *ni);
175 #define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
176 
177 struct ifqueue;
178 struct ieee80211vap;
179 void	ieee80211_drain_ifq(struct ifqueue *);
180 void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
181 
182 void	ieee80211_vap_destroy(struct ieee80211vap *);
183 int	ieee80211_handoff(struct ifnet *, struct mbuf *);
184 uint16_t ieee80211_txtime(struct ieee80211_node *, u_int, uint8_t, uint32_t);
185 
186 #define	IFNET_IS_UP_RUNNING(_ifp) \
187 	(((_ifp)->if_flags & IFF_UP) && \
188 	 ((_ifp)->if_flags & IFF_RUNNING))
189 
190 #define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
191 #define	ticks_to_msecs(t)	(1000*(t) / hz)
192 #define	ticks_to_secs(t)	((t) / hz)
193 #define time_after(a,b) 	((long)(b) - (long)(a) < 0)
194 #define time_before(a,b)	time_after(b,a)
195 #define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
196 #define time_before_eq(a,b)	time_after_eq(b,a)
197 
198 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
199 
200 /* tx path usage */
201 #define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
202 #define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
203 #define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
204 #define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
205 #define	M_FF		M_PROTO6		/* fast frame */
206 #define	M_TXCB		M_PROTO7		/* do tx complete callback */
207 #define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
208 #define	M_80211_TX \
209 	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
210 	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
211 
212 /* rx path usage */
213 #define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
214 #define	M_WEP		M_PROTO2		/* WEP done by hardware */
215 #if 0
216 #define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
217 #endif
218 #define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
219 
220 #define	IEEE80211_MBUF_TX_FLAG_BITS \
221 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
222 	"\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
223 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
224 	"\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
225 
226 #define	IEEE80211_MBUF_RX_FLAG_BITS \
227 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
228 	"\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
229 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
230 	"\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
231 
232 /*
233  * Store WME access control bits in the vlan tag.
234  * This is safe since it's done after the packet is classified
235  * (where we use any previous tag) and because it's passed
236  * directly in to the driver and there's no chance someone
237  * else will clobber them on us.
238  */
239 #define	M_WME_SETAC(m, ac) \
240 	((m)->m_pkthdr.ether_vlantag = (ac))
241 #define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vlantag)
242 
243 /*
244  * Mbufs on the power save queue are tagged with an age and
245  * timed out.  We reuse the hardware checksum field in the
246  * mbuf packet header to store this data.
247  */
248 #define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
249 #define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
250 #define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
251 
252 /*
253  * Store the sequence number.
254  */
255 #define	M_SEQNO_SET(m, seqno) \
256 	((m)->m_pkthdr.wlan_seqno = (seqno))
257 #define	M_SEQNO_GET(m)	((m)->m_pkthdr.wlan_seqno)
258 
259 #define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
260 
261 struct ieee80211_cb {
262 	void	(*func)(struct ieee80211_node *, void *, int status);
263 	void	*arg;
264 };
265 #define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
266 int	ieee80211_add_callback(struct mbuf *m,
267 		void (*func)(struct ieee80211_node *, void *, int), void *arg);
268 void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
269 
270 void	get_random_bytes(void *, size_t);
271 
272 struct ieee80211com;
273 
274 void	ieee80211_sysctl_attach(struct ieee80211com *);
275 void	ieee80211_sysctl_detach(struct ieee80211com *);
276 void	ieee80211_sysctl_vattach(struct ieee80211vap *);
277 void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
278 
279 SYSCTL_DECL(_net_wlan);
280 int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
281 
282 void	ieee80211_load_module(const char *);
283 
284 /*
285  * A "policy module" is an adjunct module to net80211 that provides
286  * functionality that typically includes policy decisions.  This
287  * modularity enables extensibility and vendor-supplied functionality.
288  */
289 #define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
290 typedef void (*policy##_setup)(int);					\
291 SET_DECLARE(policy##_set, policy##_setup);				\
292 static int								\
293 wlan_##name##_modevent(module_t mod, int type, void *unused)		\
294 {									\
295 	policy##_setup * const *iter, f;				\
296 	switch (type) {							\
297 	case MOD_LOAD:							\
298 		SET_FOREACH(iter, policy##_set) {			\
299 			f = (void*) *iter;				\
300 			f(type);					\
301 		}							\
302 		return 0;						\
303 	case MOD_UNLOAD:						\
304 		if (nrefs) {						\
305 			kprintf("wlan_##name: still in use (%u dynamic refs)\n",\
306 				nrefs);					\
307 			return EBUSY;					\
308 		}							\
309 		if (type == MOD_UNLOAD) {				\
310 			SET_FOREACH(iter, policy##_set) {		\
311 				f = (void*) *iter;			\
312 				f(type);				\
313 			}						\
314 		}							\
315 		return 0;						\
316 	}								\
317 	return EINVAL;							\
318 }									\
319 static moduledata_t name##_mod = {					\
320 	"wlan_" #name,							\
321 	wlan_##name##_modevent,						\
322 	0								\
323 };									\
324 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
325 MODULE_VERSION(wlan_##name, version);					\
326 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
327 
328 /*
329  * Crypto modules implement cipher support.
330  */
331 #define	IEEE80211_CRYPTO_MODULE(name, version)				\
332 _IEEE80211_POLICY_MODULE(crypto, name, version);			\
333 static void								\
334 name##_modevent(int type)						\
335 {									\
336 	if (type == MOD_LOAD)						\
337 		ieee80211_crypto_register(&name);			\
338 	else								\
339 		ieee80211_crypto_unregister(&name);			\
340 }									\
341 TEXT_SET(crypto##_set, name##_modevent)
342 
343 /*
344  * Scanner modules provide scanning policy.
345  */
346 #define	IEEE80211_SCANNER_MODULE(name, version)				\
347 	_IEEE80211_POLICY_MODULE(scanner, name, version)
348 
349 #define	IEEE80211_SCANNER_ALG(name, alg, v)				\
350 static void								\
351 name##_modevent(int type)						\
352 {									\
353 	if (type == MOD_LOAD)						\
354 		ieee80211_scanner_register(alg, &v);			\
355 	else								\
356 		ieee80211_scanner_unregister(alg, &v);			\
357 }									\
358 TEXT_SET(scanner_set, name##_modevent);					\
359 
360 /*
361  * ACL modules implement acl policy.
362  */
363 #define	IEEE80211_ACL_MODULE(name, alg, version)			\
364 _IEEE80211_POLICY_MODULE(acl, name, version);				\
365 static void								\
366 alg##_modevent(int type)						\
367 {									\
368 	if (type == MOD_LOAD)						\
369 		ieee80211_aclator_register(&alg);			\
370 	else								\
371 		ieee80211_aclator_unregister(&alg);			\
372 }									\
373 TEXT_SET(acl_set, alg##_modevent);					\
374 
375 /*
376  * Authenticator modules handle 802.1x/WPA authentication.
377  */
378 #define	IEEE80211_AUTH_MODULE(name, version)				\
379 	_IEEE80211_POLICY_MODULE(auth, name, version)
380 
381 #define	IEEE80211_AUTH_ALG(name, alg, v)				\
382 static void								\
383 name##_modevent(int type)						\
384 {									\
385 	if (type == MOD_LOAD)						\
386 		ieee80211_authenticator_register(alg, &v);		\
387 	else								\
388 		ieee80211_authenticator_unregister(alg);		\
389 }									\
390 TEXT_SET(auth_set, name##_modevent)
391 
392 /*
393  * Rate control modules provide tx rate control support.
394  */
395 #define	IEEE80211_RATECTL_MODULE(alg, version)				\
396 	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
397 
398 #define	IEEE80211_RATECTL_ALG(name, alg, v)				\
399 static void								\
400 alg##_modevent(int type)						\
401 {									\
402 	if (type == MOD_LOAD)						\
403 		ieee80211_ratectl_register(alg, &v);			\
404 	else								\
405 		ieee80211_ratectl_unregister(alg);			\
406 }									\
407 TEXT_SET(ratectl##_set, alg##_modevent)
408 
409 struct ieee80211req;
410 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
411     struct ieee80211req *);
412 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
413 #define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
414 
415 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
416     struct ieee80211req *);
417 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
418 #define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
419 #endif /* _KERNEL */
420 
421 /* XXX this stuff belongs elsewhere */
422 /*
423  * Message formats for messages from the net80211 layer to user
424  * applications via the routing socket.  These messages are appended
425  * to an if_announcemsghdr structure.
426  */
427 struct ieee80211_join_event {
428 	uint8_t		iev_addr[6];
429 };
430 
431 struct ieee80211_leave_event {
432 	uint8_t		iev_addr[6];
433 };
434 
435 struct ieee80211_replay_event {
436 	uint8_t		iev_src[6];	/* src MAC */
437 	uint8_t		iev_dst[6];	/* dst MAC */
438 	uint8_t		iev_cipher;	/* cipher type */
439 	uint8_t		iev_keyix;	/* key id/index */
440 	uint64_t	iev_keyrsc;	/* RSC from key */
441 	uint64_t	iev_rsc;	/* RSC from frame */
442 };
443 
444 struct ieee80211_michael_event {
445 	uint8_t		iev_src[6];	/* src MAC */
446 	uint8_t		iev_dst[6];	/* dst MAC */
447 	uint8_t		iev_cipher;	/* cipher type */
448 	uint8_t		iev_keyix;	/* key id/index */
449 };
450 
451 struct ieee80211_wds_event {
452 	uint8_t		iev_addr[6];
453 };
454 
455 struct ieee80211_csa_event {
456 	uint32_t	iev_flags;	/* channel flags */
457 	uint16_t	iev_freq;	/* setting in Mhz */
458 	uint8_t		iev_ieee;	/* IEEE channel number */
459 	uint8_t		iev_mode;	/* CSA mode */
460 	uint8_t		iev_count;	/* CSA count */
461 };
462 
463 struct ieee80211_cac_event {
464 	uint32_t	iev_flags;	/* channel flags */
465 	uint16_t	iev_freq;	/* setting in Mhz */
466 	uint8_t		iev_ieee;	/* IEEE channel number */
467 	/* XXX timestamp? */
468 	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
469 };
470 
471 struct ieee80211_radar_event {
472 	uint32_t	iev_flags;	/* channel flags */
473 	uint16_t	iev_freq;	/* setting in Mhz */
474 	uint8_t		iev_ieee;	/* IEEE channel number */
475 	/* XXX timestamp? */
476 };
477 
478 struct ieee80211_auth_event {
479 	uint8_t		iev_addr[6];
480 };
481 
482 struct ieee80211_deauth_event {
483 	uint8_t		iev_addr[6];
484 };
485 
486 struct ieee80211_country_event {
487 	uint8_t		iev_addr[6];
488 	uint8_t		iev_cc[2];	/* ISO country code */
489 };
490 
491 struct ieee80211_radio_event {
492 	uint8_t		iev_state;	/* 1 on, 0 off */
493 };
494 
495 #define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
496 #define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
497 #define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
498 #define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
499 #define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
500 #define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
501 #define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
502 #define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
503 #define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
504 #define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
505 #define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
506 #define	RTM_IEEE80211_RADAR	111	/* radar event */
507 #define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
508 #define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
509 #define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
510 #define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
511 #define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
512 
513 /*
514  * Structure prepended to raw packets sent through the bpf
515  * interface when set to DLT_IEEE802_11_RADIO.  This allows
516  * user applications to specify pretty much everything in
517  * an Atheros tx descriptor.  XXX need to generalize.
518  *
519  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
520  * XXX sa_data area.
521  */
522 struct ieee80211_bpf_params {
523 	uint8_t		ibp_vers;	/* version */
524 #define	IEEE80211_BPF_VERSION	0
525 	uint8_t		ibp_len;	/* header length in bytes */
526 	uint8_t		ibp_flags;
527 #define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
528 #define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
529 #define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
530 #define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
531 #define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
532 #define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
533 #define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
534 	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
535 	uint8_t		ibp_try0;	/* series 1 try count */
536 	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
537 	uint8_t		ibp_power;	/* tx power (device units) */
538 	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
539 	uint8_t		ibp_try1;	/* series 2 try count */
540 	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
541 	uint8_t		ibp_try2;	/* series 3 try count */
542 	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
543 	uint8_t		ibp_try3;	/* series 4 try count */
544 	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
545 };
546 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */
547