ieee80211_freebsd.h revision 191571
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 191571 2009-04-27 17:39:41Z sam $
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 */
39typedef struct {
40	char		name[16];		/* e.g. "ath0_com_lock" */
41	struct mtx	mtx;
42} ieee80211_com_lock_t;
43#define	IEEE80211_LOCK_INIT(_ic, _name) do {				\
44	ieee80211_com_lock_t *cl = &(_ic)->ic_comlock;			\
45	snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name);	\
46	mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE);	\
47} while (0)
48#define	IEEE80211_LOCK_OBJ(_ic)	(&(_ic)->ic_comlock.mtx)
49#define	IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic))
50#define	IEEE80211_LOCK(_ic)	   mtx_lock(IEEE80211_LOCK_OBJ(_ic))
51#define	IEEE80211_UNLOCK(_ic)	   mtx_unlock(IEEE80211_LOCK_OBJ(_ic))
52#define	IEEE80211_LOCK_ASSERT(_ic) \
53	mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED)
54
55/*
56 * Node locking definitions.
57 */
58typedef struct {
59	char		name[16];		/* e.g. "ath0_node_lock" */
60	struct mtx	mtx;
61} ieee80211_node_lock_t;
62#define	IEEE80211_NODE_LOCK_INIT(_nt, _name) do {			\
63	ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;		\
64	snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);	\
65	mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE);	\
66} while (0)
67#define	IEEE80211_NODE_LOCK_OBJ(_nt)	(&(_nt)->nt_nodelock.mtx)
68#define	IEEE80211_NODE_LOCK_DESTROY(_nt) \
69	mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt))
70#define	IEEE80211_NODE_LOCK(_nt) \
71	mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt))
72#define	IEEE80211_NODE_IS_LOCKED(_nt) \
73	mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt))
74#define	IEEE80211_NODE_UNLOCK(_nt) \
75	mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt))
76#define	IEEE80211_NODE_LOCK_ASSERT(_nt)	\
77	mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED)
78
79/*
80 * Node table iteration locking definitions; this protects the
81 * scan generation # used to iterate over the station table
82 * while grabbing+releasing the node lock.
83 */
84typedef struct {
85	char		name[16];		/* e.g. "ath0_scan_lock" */
86	struct mtx	mtx;
87} ieee80211_scan_lock_t;
88#define	IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {		\
89	ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;		\
90	snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);	\
91	mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF);			\
92} while (0)
93#define	IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)	(&(_nt)->nt_scanlock.mtx)
94#define	IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
95	mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
96#define	IEEE80211_NODE_ITERATE_LOCK(_nt) \
97	mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
98#define	IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
99	mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
100
101#define	_AGEQ_ENQUEUE(_ifq, _m, _qlen, _age) do {		\
102	(_m)->m_nextpkt = NULL;					\
103	if ((_ifq)->ifq_tail != NULL) { 			\
104		_age -= M_AGE_GET((_ifq)->ifq_head);		\
105		(_ifq)->ifq_tail->m_nextpkt = (_m);		\
106	} else { 						\
107		(_ifq)->ifq_head = (_m); 			\
108	}							\
109	M_AGE_SET(_m, _age);					\
110	(_ifq)->ifq_tail = (_m); 				\
111	(_qlen) = ++(_ifq)->ifq_len; 				\
112} while (0)
113
114/*
115 * Power-save queue definitions.
116 */
117typedef struct mtx ieee80211_psq_lock_t;
118#define	IEEE80211_PSQ_INIT(_psq, _name) \
119	mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF);
120#define	IEEE80211_PSQ_DESTROY(_psq)	mtx_destroy(&(_psq)->psq_lock)
121#define	IEEE80211_PSQ_LOCK(_psq)	mtx_lock(&(_psq)->psq_lock)
122#define	IEEE80211_PSQ_UNLOCK(_psq)	mtx_unlock(&(_psq)->psq_lock)
123
124#ifndef IF_PREPEND_LIST
125#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
126	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
127	if ((ifq)->ifq_tail == NULL)				\
128		(ifq)->ifq_tail = (mtail);			\
129	(ifq)->ifq_head = (mhead);				\
130	(ifq)->ifq_len += (mcount);				\
131} while (0)
132#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
133	IF_LOCK(ifq);						\
134	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
135	IF_UNLOCK(ifq);						\
136} while (0)
137#endif /* IF_PREPEND_LIST */
138
139/* XXX temporary */
140#define	IEEE80211_NODE_WDSQ_INIT(_ni, _name) do {		\
141	mtx_init(&(_ni)->ni_wdsq.ifq_mtx, _name, "802.11 wds queue", MTX_DEF);\
142	(_ni)->ni_wdsq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE;	\
143} while (0)
144#define	IEEE80211_NODE_WDSQ_DESTROY(_ni) do { \
145	mtx_destroy(&(_ni)->ni_wdsq.ifq_mtx); \
146} while (0)
147#define	IEEE80211_NODE_WDSQ_QLEN(_ni)	_IF_QLEN(&(_ni)->ni_wdsq)
148#define	IEEE80211_NODE_WDSQ_LOCK(_ni)	IF_LOCK(&(_ni)->ni_wdsq)
149#define	IEEE80211_NODE_WDSQ_UNLOCK(_ni)	IF_UNLOCK(&(_ni)->ni_wdsq)
150#define	_IEEE80211_NODE_WDSQ_DEQUEUE_HEAD(_ni, _m) do {		\
151	_IF_DEQUEUE(&(_ni)->ni_wdsq, m);			\
152} while (0)
153#define	_IEEE80211_NODE_WDSQ_ENQUEUE(_ni, _m, _qlen, _age) do {	\
154	_AGEQ_ENQUEUE(&ni->ni_wdsq, _m, _qlen, _age);		\
155} while (0)
156
157/*
158 * 802.1x MAC ACL database locking definitions.
159 */
160typedef struct mtx acl_lock_t;
161#define	ACL_LOCK_INIT(_as, _name) \
162	mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
163#define	ACL_LOCK_DESTROY(_as)		mtx_destroy(&(_as)->as_lock)
164#define	ACL_LOCK(_as)			mtx_lock(&(_as)->as_lock)
165#define	ACL_UNLOCK(_as)			mtx_unlock(&(_as)->as_lock)
166#define	ACL_LOCK_ASSERT(_as) \
167	mtx_assert((&(_as)->as_lock), MA_OWNED)
168
169/*
170 * Node reference counting definitions.
171 *
172 * ieee80211_node_initref	initialize the reference count to 1
173 * ieee80211_node_incref	add a reference
174 * ieee80211_node_decref	remove a reference
175 * ieee80211_node_dectestref	remove a reference and return 1 if this
176 *				is the last reference, otherwise 0
177 * ieee80211_node_refcnt	reference count for printing (only)
178 */
179#include <machine/atomic.h>
180
181#define ieee80211_node_initref(_ni) \
182	do { ((_ni)->ni_refcnt = 1); } while (0)
183#define ieee80211_node_incref(_ni) \
184	atomic_add_int(&(_ni)->ni_refcnt, 1)
185#define	ieee80211_node_decref(_ni) \
186	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
187struct ieee80211_node;
188int	ieee80211_node_dectestref(struct ieee80211_node *ni);
189#define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
190
191struct ifqueue;
192struct ieee80211vap;
193void	ieee80211_drain_ifq(struct ifqueue *);
194void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
195
196void	ieee80211_vap_destroy(struct ieee80211vap *);
197
198#define	IFNET_IS_UP_RUNNING(_ifp) \
199	(((_ifp)->if_flags & IFF_UP) && \
200	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
201
202#define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
203#define	ticks_to_msecs(t)	(1000*(t) / hz)
204#define	ticks_to_secs(t)	((t) / hz)
205#define time_after(a,b) 	((long)(b) - (long)(a) < 0)
206#define time_before(a,b)	time_after(b,a)
207#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
208#define time_before_eq(a,b)	time_after_eq(b,a)
209
210struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
211
212/* tx path usage */
213#define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
214#define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
215#define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
216#define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
217#define	M_FF		M_PROTO6		/* fast frame */
218#define	M_TXCB		M_PROTO7		/* do tx complete callback */
219#define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
220#define	M_80211_TX \
221	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
222	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
223
224/* rx path usage */
225#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
226#define	M_WEP		M_PROTO2		/* WEP done by hardware */
227#if 0
228#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
229#endif
230#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
231/*
232 * Store WME access control bits in the vlan tag.
233 * This is safe since it's done after the packet is classified
234 * (where we use any previous tag) and because it's passed
235 * directly in to the driver and there's no chance someone
236 * else will clobber them on us.
237 */
238#define	M_WME_SETAC(m, ac) \
239	((m)->m_pkthdr.ether_vtag = (ac))
240#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
241
242/*
243 * Mbufs on the power save queue are tagged with an age and
244 * timed out.  We reuse the hardware checksum field in the
245 * mbuf packet header to store this data.
246 */
247#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
248#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
249#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
250
251/*
252 * Store the sequence number.
253 */
254#define	M_SEQNO_SET(m, seqno) \
255	((m)->m_pkthdr.tso_segsz = (seqno))
256#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
257
258#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
259
260struct ieee80211_cb {
261	void	(*func)(struct ieee80211_node *, void *, int status);
262	void	*arg;
263};
264#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
265int	ieee80211_add_callback(struct mbuf *m,
266		void (*func)(struct ieee80211_node *, void *, int), void *arg);
267void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
268
269void	get_random_bytes(void *, size_t);
270
271struct ieee80211com;
272
273void	ieee80211_sysctl_attach(struct ieee80211com *);
274void	ieee80211_sysctl_detach(struct ieee80211com *);
275void	ieee80211_sysctl_vattach(struct ieee80211vap *);
276void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
277
278void	ieee80211_load_module(const char *);
279
280/*
281 * A "policy module" is an adjunct module to net80211 that provides
282 * functionality that typically includes policy decisions.  This
283 * modularity enables extensibility and vendor-supplied functionality.
284 */
285#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
286typedef void (*policy##_setup)(int);					\
287SET_DECLARE(policy##_set, policy##_setup);				\
288static int								\
289wlan_##name##_modevent(module_t mod, int type, void *unused)		\
290{									\
291	policy##_setup * const *iter, f;				\
292	switch (type) {							\
293	case MOD_LOAD:							\
294		SET_FOREACH(iter, policy##_set) {			\
295			f = (void*) *iter;				\
296			f(type);					\
297		}							\
298		return 0;						\
299	case MOD_UNLOAD:						\
300	case MOD_QUIESCE:						\
301		if (nrefs) {						\
302			printf("wlan_##name: still in use (%u dynamic refs)\n",\
303				nrefs);					\
304			return EBUSY;					\
305		}							\
306		if (type == MOD_UNLOAD) {				\
307			SET_FOREACH(iter, policy##_set) {		\
308				f = (void*) *iter;			\
309				f(type);				\
310			}						\
311		}							\
312		return 0;						\
313	}								\
314	return EINVAL;							\
315}									\
316static moduledata_t name##_mod = {					\
317	"wlan_" #name,							\
318	wlan_##name##_modevent,						\
319	0								\
320};									\
321DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
322MODULE_VERSION(wlan_##name, version);					\
323MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
324
325/*
326 * Crypto modules implement cipher support.
327 */
328#define	IEEE80211_CRYPTO_MODULE(name, version)				\
329_IEEE80211_POLICY_MODULE(crypto, name, version);			\
330static void								\
331name##_modevent(int type)						\
332{									\
333	if (type == MOD_LOAD)						\
334		ieee80211_crypto_register(&name);			\
335	else								\
336		ieee80211_crypto_unregister(&name);			\
337}									\
338TEXT_SET(crypto##_set, name##_modevent)
339
340/*
341 * Scanner modules provide scanning policy.
342 */
343#define	IEEE80211_SCANNER_MODULE(name, version)				\
344	_IEEE80211_POLICY_MODULE(scanner, name, version)
345
346#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
347static void								\
348name##_modevent(int type)						\
349{									\
350	if (type == MOD_LOAD)						\
351		ieee80211_scanner_register(alg, &v);			\
352	else								\
353		ieee80211_scanner_unregister(alg, &v);			\
354}									\
355TEXT_SET(scanner_set, name##_modevent);					\
356
357/*
358 * ACL modules implement acl policy.
359 */
360#define	IEEE80211_ACL_MODULE(name, alg, version)			\
361_IEEE80211_POLICY_MODULE(acl, name, version);				\
362static void								\
363alg##_modevent(int type)						\
364{									\
365	if (type == MOD_LOAD)						\
366		ieee80211_aclator_register(&alg);			\
367	else								\
368		ieee80211_aclator_unregister(&alg);			\
369}									\
370TEXT_SET(acl_set, alg##_modevent);					\
371
372/*
373 * Authenticator modules handle 802.1x/WPA authentication.
374 */
375#define	IEEE80211_AUTH_MODULE(name, version)				\
376	_IEEE80211_POLICY_MODULE(auth, name, version)
377
378#define	IEEE80211_AUTH_ALG(name, alg, v)				\
379static void								\
380name##_modevent(int type)						\
381{									\
382	if (type == MOD_LOAD)						\
383		ieee80211_authenticator_register(alg, &v);		\
384	else								\
385		ieee80211_authenticator_unregister(alg);		\
386}									\
387TEXT_SET(auth_set, name##_modevent)
388
389/*
390 * Rate control modules provide tx rate control support.
391 */
392#define	IEEE80211_RATE_MODULE(alg, version)				\
393_IEEE80211_POLICY_MODULE(rate, alg, version);				\
394static void								\
395alg##_modevent(int type)						\
396{									\
397	/* XXX nothing to do until the rate control framework arrives */\
398}									\
399TEXT_SET(rate##_set, alg##_modevent)
400
401struct ieee80211req;
402typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
403    struct ieee80211req *);
404SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
405#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
406
407typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
408    struct ieee80211req *);
409SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
410#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
411#endif /* _KERNEL */
412
413/* XXX this stuff belongs elsewhere */
414/*
415 * Message formats for messages from the net80211 layer to user
416 * applications via the routing socket.  These messages are appended
417 * to an if_announcemsghdr structure.
418 */
419struct ieee80211_join_event {
420	uint8_t		iev_addr[6];
421};
422
423struct ieee80211_leave_event {
424	uint8_t		iev_addr[6];
425};
426
427struct ieee80211_replay_event {
428	uint8_t		iev_src[6];	/* src MAC */
429	uint8_t		iev_dst[6];	/* dst MAC */
430	uint8_t		iev_cipher;	/* cipher type */
431	uint8_t		iev_keyix;	/* key id/index */
432	uint64_t	iev_keyrsc;	/* RSC from key */
433	uint64_t	iev_rsc;	/* RSC from frame */
434};
435
436struct ieee80211_michael_event {
437	uint8_t		iev_src[6];	/* src MAC */
438	uint8_t		iev_dst[6];	/* dst MAC */
439	uint8_t		iev_cipher;	/* cipher type */
440	uint8_t		iev_keyix;	/* key id/index */
441};
442
443struct ieee80211_wds_event {
444	uint8_t		iev_addr[6];
445};
446
447struct ieee80211_csa_event {
448	uint32_t	iev_flags;	/* channel flags */
449	uint16_t	iev_freq;	/* setting in Mhz */
450	uint8_t		iev_ieee;	/* IEEE channel number */
451	uint8_t		iev_mode;	/* CSA mode */
452	uint8_t		iev_count;	/* CSA count */
453};
454
455struct ieee80211_cac_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	/* XXX timestamp? */
460	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
461};
462
463struct ieee80211_radar_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};
469
470struct ieee80211_auth_event {
471	uint8_t		iev_addr[6];
472};
473
474struct ieee80211_deauth_event {
475	uint8_t		iev_addr[6];
476};
477
478struct ieee80211_country_event {
479	uint8_t		iev_addr[6];
480	uint8_t		iev_cc[2];	/* ISO country code */
481};
482
483struct ieee80211_radio_event {
484	uint8_t		iev_state;	/* 1 on, 0 off */
485};
486
487#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
488#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
489#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
490#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
491#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
492#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
493#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
494#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
495#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
496#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
497#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
498#define	RTM_IEEE80211_RADAR	111	/* radar event */
499#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
500#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
501#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
502#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
503#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
504
505/*
506 * Structure prepended to raw packets sent through the bpf
507 * interface when set to DLT_IEEE802_11_RADIO.  This allows
508 * user applications to specify pretty much everything in
509 * an Atheros tx descriptor.  XXX need to generalize.
510 *
511 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
512 * XXX sa_data area.
513 */
514struct ieee80211_bpf_params {
515	uint8_t		ibp_vers;	/* version */
516#define	IEEE80211_BPF_VERSION	0
517	uint8_t		ibp_len;	/* header length in bytes */
518	uint8_t		ibp_flags;
519#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
520#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
521#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
522#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
523#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
524#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
525#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
526	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
527	uint8_t		ibp_try0;	/* series 1 try count */
528	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
529	uint8_t		ibp_power;	/* tx power (device units) */
530	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
531	uint8_t		ibp_try1;	/* series 2 try count */
532	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
533	uint8_t		ibp_try2;	/* series 3 try count */
534	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
535	uint8_t		ibp_try3;	/* series 4 try count */
536	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
537};
538#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
539