ieee80211_freebsd.h revision 195618
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 */
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#include <sys/sysctl.h>
36#include <sys/taskqueue.h>
37
38/*
39 * Common state locking definitions.
40 */
41typedef struct {
42	char		name[16];		/* e.g. "ath0_com_lock" */
43	struct mtx	mtx;
44} ieee80211_com_lock_t;
45#define	IEEE80211_LOCK_INIT(_ic, _name) do {				\
46	ieee80211_com_lock_t *cl = &(_ic)->ic_comlock;			\
47	snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name);	\
48	mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE);	\
49} while (0)
50#define	IEEE80211_LOCK_OBJ(_ic)	(&(_ic)->ic_comlock.mtx)
51#define	IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic))
52#define	IEEE80211_LOCK(_ic)	   mtx_lock(IEEE80211_LOCK_OBJ(_ic))
53#define	IEEE80211_UNLOCK(_ic)	   mtx_unlock(IEEE80211_LOCK_OBJ(_ic))
54#define	IEEE80211_LOCK_ASSERT(_ic) \
55	mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED)
56
57/*
58 * Node locking definitions.
59 */
60typedef struct {
61	char		name[16];		/* e.g. "ath0_node_lock" */
62	struct mtx	mtx;
63} ieee80211_node_lock_t;
64#define	IEEE80211_NODE_LOCK_INIT(_nt, _name) do {			\
65	ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;		\
66	snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);	\
67	mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE);	\
68} while (0)
69#define	IEEE80211_NODE_LOCK_OBJ(_nt)	(&(_nt)->nt_nodelock.mtx)
70#define	IEEE80211_NODE_LOCK_DESTROY(_nt) \
71	mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt))
72#define	IEEE80211_NODE_LOCK(_nt) \
73	mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt))
74#define	IEEE80211_NODE_IS_LOCKED(_nt) \
75	mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt))
76#define	IEEE80211_NODE_UNLOCK(_nt) \
77	mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt))
78#define	IEEE80211_NODE_LOCK_ASSERT(_nt)	\
79	mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED)
80
81/*
82 * Node table iteration locking definitions; this protects the
83 * scan generation # used to iterate over the station table
84 * while grabbing+releasing the node lock.
85 */
86typedef struct {
87	char		name[16];		/* e.g. "ath0_scan_lock" */
88	struct mtx	mtx;
89} ieee80211_scan_lock_t;
90#define	IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {		\
91	ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;		\
92	snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);	\
93	mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF);			\
94} while (0)
95#define	IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)	(&(_nt)->nt_scanlock.mtx)
96#define	IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
97	mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
98#define	IEEE80211_NODE_ITERATE_LOCK(_nt) \
99	mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
100#define	IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
101	mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
102
103/*
104 * Power-save queue definitions.
105 */
106typedef struct mtx ieee80211_psq_lock_t;
107#define	IEEE80211_PSQ_INIT(_psq, _name) \
108	mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF)
109#define	IEEE80211_PSQ_DESTROY(_psq)	mtx_destroy(&(_psq)->psq_lock)
110#define	IEEE80211_PSQ_LOCK(_psq)	mtx_lock(&(_psq)->psq_lock)
111#define	IEEE80211_PSQ_UNLOCK(_psq)	mtx_unlock(&(_psq)->psq_lock)
112
113#ifndef IF_PREPEND_LIST
114#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
115	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
116	if ((ifq)->ifq_tail == NULL)				\
117		(ifq)->ifq_tail = (mtail);			\
118	(ifq)->ifq_head = (mhead);				\
119	(ifq)->ifq_len += (mcount);				\
120} while (0)
121#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
122	IF_LOCK(ifq);						\
123	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
124	IF_UNLOCK(ifq);						\
125} while (0)
126#endif /* IF_PREPEND_LIST */
127
128/*
129 * Age queue definitions.
130 */
131typedef struct mtx ieee80211_ageq_lock_t;
132#define	IEEE80211_AGEQ_INIT(_aq, _name) \
133	mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF)
134#define	IEEE80211_AGEQ_DESTROY(_aq)	mtx_destroy(&(_aq)->aq_lock)
135#define	IEEE80211_AGEQ_LOCK(_aq)	mtx_lock(&(_aq)->aq_lock)
136#define	IEEE80211_AGEQ_UNLOCK(_aq)	mtx_unlock(&(_aq)->aq_lock)
137
138/*
139 * 802.1x MAC ACL database locking definitions.
140 */
141typedef struct mtx acl_lock_t;
142#define	ACL_LOCK_INIT(_as, _name) \
143	mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
144#define	ACL_LOCK_DESTROY(_as)		mtx_destroy(&(_as)->as_lock)
145#define	ACL_LOCK(_as)			mtx_lock(&(_as)->as_lock)
146#define	ACL_UNLOCK(_as)			mtx_unlock(&(_as)->as_lock)
147#define	ACL_LOCK_ASSERT(_as) \
148	mtx_assert((&(_as)->as_lock), MA_OWNED)
149
150/*
151 * Node reference counting definitions.
152 *
153 * ieee80211_node_initref	initialize the reference count to 1
154 * ieee80211_node_incref	add a reference
155 * ieee80211_node_decref	remove a reference
156 * ieee80211_node_dectestref	remove a reference and return 1 if this
157 *				is the last reference, otherwise 0
158 * ieee80211_node_refcnt	reference count for printing (only)
159 */
160#include <machine/atomic.h>
161
162#define ieee80211_node_initref(_ni) \
163	do { ((_ni)->ni_refcnt = 1); } while (0)
164#define ieee80211_node_incref(_ni) \
165	atomic_add_int(&(_ni)->ni_refcnt, 1)
166#define	ieee80211_node_decref(_ni) \
167	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
168struct ieee80211_node;
169int	ieee80211_node_dectestref(struct ieee80211_node *ni);
170#define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
171
172struct ifqueue;
173struct ieee80211vap;
174void	ieee80211_drain_ifq(struct ifqueue *);
175void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
176
177void	ieee80211_vap_destroy(struct ieee80211vap *);
178
179#define	IFNET_IS_UP_RUNNING(_ifp) \
180	(((_ifp)->if_flags & IFF_UP) && \
181	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
182
183#define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
184#define	ticks_to_msecs(t)	(1000*(t) / hz)
185#define	ticks_to_secs(t)	((t) / hz)
186#define time_after(a,b) 	((long)(b) - (long)(a) < 0)
187#define time_before(a,b)	time_after(b,a)
188#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
189#define time_before_eq(a,b)	time_after_eq(b,a)
190
191struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
192
193/* tx path usage */
194#define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
195#define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
196#define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
197#define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
198#define	M_FF		M_PROTO6		/* fast frame */
199#define	M_TXCB		M_PROTO7		/* do tx complete callback */
200#define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
201#define	M_80211_TX \
202	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
203	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
204
205/* rx path usage */
206#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
207#define	M_WEP		M_PROTO2		/* WEP done by hardware */
208#if 0
209#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
210#endif
211#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
212
213#define	IEEE80211_MBUF_TX_FLAG_BITS \
214	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
215	"\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
216	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
217	"\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
218
219#define	IEEE80211_MBUF_RX_FLAG_BITS \
220	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
221	"\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
222	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
223	"\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
224
225/*
226 * Store WME access control bits in the vlan tag.
227 * This is safe since it's done after the packet is classified
228 * (where we use any previous tag) and because it's passed
229 * directly in to the driver and there's no chance someone
230 * else will clobber them on us.
231 */
232#define	M_WME_SETAC(m, ac) \
233	((m)->m_pkthdr.ether_vtag = (ac))
234#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
235
236/*
237 * Mbufs on the power save queue are tagged with an age and
238 * timed out.  We reuse the hardware checksum field in the
239 * mbuf packet header to store this data.
240 */
241#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
242#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
243#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
244
245/*
246 * Store the sequence number.
247 */
248#define	M_SEQNO_SET(m, seqno) \
249	((m)->m_pkthdr.tso_segsz = (seqno))
250#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
251
252#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
253
254struct ieee80211_cb {
255	void	(*func)(struct ieee80211_node *, void *, int status);
256	void	*arg;
257};
258#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
259int	ieee80211_add_callback(struct mbuf *m,
260		void (*func)(struct ieee80211_node *, void *, int), void *arg);
261void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
262
263void	get_random_bytes(void *, size_t);
264
265struct ieee80211com;
266
267void	ieee80211_sysctl_attach(struct ieee80211com *);
268void	ieee80211_sysctl_detach(struct ieee80211com *);
269void	ieee80211_sysctl_vattach(struct ieee80211vap *);
270void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
271
272SYSCTL_DECL(_net_wlan);
273int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
274
275void	ieee80211_load_module(const char *);
276
277/*
278 * A "policy module" is an adjunct module to net80211 that provides
279 * functionality that typically includes policy decisions.  This
280 * modularity enables extensibility and vendor-supplied functionality.
281 */
282#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
283typedef void (*policy##_setup)(int);					\
284SET_DECLARE(policy##_set, policy##_setup);				\
285static int								\
286wlan_##name##_modevent(module_t mod, int type, void *unused)		\
287{									\
288	policy##_setup * const *iter, f;				\
289	switch (type) {							\
290	case MOD_LOAD:							\
291		SET_FOREACH(iter, policy##_set) {			\
292			f = (void*) *iter;				\
293			f(type);					\
294		}							\
295		return 0;						\
296	case MOD_UNLOAD:						\
297	case MOD_QUIESCE:						\
298		if (nrefs) {						\
299			printf("wlan_##name: still in use (%u dynamic refs)\n",\
300				nrefs);					\
301			return EBUSY;					\
302		}							\
303		if (type == MOD_UNLOAD) {				\
304			SET_FOREACH(iter, policy##_set) {		\
305				f = (void*) *iter;			\
306				f(type);				\
307			}						\
308		}							\
309		return 0;						\
310	}								\
311	return EINVAL;							\
312}									\
313static moduledata_t name##_mod = {					\
314	"wlan_" #name,							\
315	wlan_##name##_modevent,						\
316	0								\
317};									\
318DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
319MODULE_VERSION(wlan_##name, version);					\
320MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
321
322/*
323 * Crypto modules implement cipher support.
324 */
325#define	IEEE80211_CRYPTO_MODULE(name, version)				\
326_IEEE80211_POLICY_MODULE(crypto, name, version);			\
327static void								\
328name##_modevent(int type)						\
329{									\
330	if (type == MOD_LOAD)						\
331		ieee80211_crypto_register(&name);			\
332	else								\
333		ieee80211_crypto_unregister(&name);			\
334}									\
335TEXT_SET(crypto##_set, name##_modevent)
336
337/*
338 * Scanner modules provide scanning policy.
339 */
340#define	IEEE80211_SCANNER_MODULE(name, version)				\
341	_IEEE80211_POLICY_MODULE(scanner, name, version)
342
343#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
344static void								\
345name##_modevent(int type)						\
346{									\
347	if (type == MOD_LOAD)						\
348		ieee80211_scanner_register(alg, &v);			\
349	else								\
350		ieee80211_scanner_unregister(alg, &v);			\
351}									\
352TEXT_SET(scanner_set, name##_modevent);					\
353
354/*
355 * ACL modules implement acl policy.
356 */
357#define	IEEE80211_ACL_MODULE(name, alg, version)			\
358_IEEE80211_POLICY_MODULE(acl, name, version);				\
359static void								\
360alg##_modevent(int type)						\
361{									\
362	if (type == MOD_LOAD)						\
363		ieee80211_aclator_register(&alg);			\
364	else								\
365		ieee80211_aclator_unregister(&alg);			\
366}									\
367TEXT_SET(acl_set, alg##_modevent);					\
368
369/*
370 * Authenticator modules handle 802.1x/WPA authentication.
371 */
372#define	IEEE80211_AUTH_MODULE(name, version)				\
373	_IEEE80211_POLICY_MODULE(auth, name, version)
374
375#define	IEEE80211_AUTH_ALG(name, alg, v)				\
376static void								\
377name##_modevent(int type)						\
378{									\
379	if (type == MOD_LOAD)						\
380		ieee80211_authenticator_register(alg, &v);		\
381	else								\
382		ieee80211_authenticator_unregister(alg);		\
383}									\
384TEXT_SET(auth_set, name##_modevent)
385
386/*
387 * Rate control modules provide tx rate control support.
388 */
389#define	IEEE80211_RATE_MODULE(alg, version)				\
390_IEEE80211_POLICY_MODULE(rate, alg, version);				\
391static void								\
392alg##_modevent(int type)						\
393{									\
394	/* XXX nothing to do until the rate control framework arrives */\
395}									\
396TEXT_SET(rate##_set, alg##_modevent)
397
398struct ieee80211req;
399typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
400    struct ieee80211req *);
401SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
402#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
403
404typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
405    struct ieee80211req *);
406SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
407#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
408#endif /* _KERNEL */
409
410/* XXX this stuff belongs elsewhere */
411/*
412 * Message formats for messages from the net80211 layer to user
413 * applications via the routing socket.  These messages are appended
414 * to an if_announcemsghdr structure.
415 */
416struct ieee80211_join_event {
417	uint8_t		iev_addr[6];
418};
419
420struct ieee80211_leave_event {
421	uint8_t		iev_addr[6];
422};
423
424struct ieee80211_replay_event {
425	uint8_t		iev_src[6];	/* src MAC */
426	uint8_t		iev_dst[6];	/* dst MAC */
427	uint8_t		iev_cipher;	/* cipher type */
428	uint8_t		iev_keyix;	/* key id/index */
429	uint64_t	iev_keyrsc;	/* RSC from key */
430	uint64_t	iev_rsc;	/* RSC from frame */
431};
432
433struct ieee80211_michael_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};
439
440struct ieee80211_wds_event {
441	uint8_t		iev_addr[6];
442};
443
444struct ieee80211_csa_event {
445	uint32_t	iev_flags;	/* channel flags */
446	uint16_t	iev_freq;	/* setting in Mhz */
447	uint8_t		iev_ieee;	/* IEEE channel number */
448	uint8_t		iev_mode;	/* CSA mode */
449	uint8_t		iev_count;	/* CSA count */
450};
451
452struct ieee80211_cac_event {
453	uint32_t	iev_flags;	/* channel flags */
454	uint16_t	iev_freq;	/* setting in Mhz */
455	uint8_t		iev_ieee;	/* IEEE channel number */
456	/* XXX timestamp? */
457	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
458};
459
460struct ieee80211_radar_event {
461	uint32_t	iev_flags;	/* channel flags */
462	uint16_t	iev_freq;	/* setting in Mhz */
463	uint8_t		iev_ieee;	/* IEEE channel number */
464	/* XXX timestamp? */
465};
466
467struct ieee80211_auth_event {
468	uint8_t		iev_addr[6];
469};
470
471struct ieee80211_deauth_event {
472	uint8_t		iev_addr[6];
473};
474
475struct ieee80211_country_event {
476	uint8_t		iev_addr[6];
477	uint8_t		iev_cc[2];	/* ISO country code */
478};
479
480struct ieee80211_radio_event {
481	uint8_t		iev_state;	/* 1 on, 0 off */
482};
483
484#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
485#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
486#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
487#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
488#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
489#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
490#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
491#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
492#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
493#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
494#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
495#define	RTM_IEEE80211_RADAR	111	/* radar event */
496#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
497#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
498#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
499#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
500#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
501
502/*
503 * Structure prepended to raw packets sent through the bpf
504 * interface when set to DLT_IEEE802_11_RADIO.  This allows
505 * user applications to specify pretty much everything in
506 * an Atheros tx descriptor.  XXX need to generalize.
507 *
508 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
509 * XXX sa_data area.
510 */
511struct ieee80211_bpf_params {
512	uint8_t		ibp_vers;	/* version */
513#define	IEEE80211_BPF_VERSION	0
514	uint8_t		ibp_len;	/* header length in bytes */
515	uint8_t		ibp_flags;
516#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
517#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
518#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
519#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
520#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
521#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
522#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
523	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
524	uint8_t		ibp_try0;	/* series 1 try count */
525	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
526	uint8_t		ibp_power;	/* tx power (device units) */
527	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
528	uint8_t		ibp_try1;	/* series 2 try count */
529	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
530	uint8_t		ibp_try2;	/* series 3 try count */
531	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
532	uint8_t		ibp_try3;	/* series 4 try count */
533	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
534};
535#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
536