ieee80211_freebsd.h revision 254527
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 254527 2013-08-19 14:25:11Z andre $
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#define	IEEE80211_UNLOCK_ASSERT(_ic) \
57	mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED)
58
59/*
60 * Transmit lock.
61 *
62 * This is a (mostly) temporary lock designed to serialise all of the
63 * transmission operations throughout the stack.
64 */
65typedef struct {
66	char		name[16];		/* e.g. "ath0_com_lock" */
67	struct mtx	mtx;
68} ieee80211_tx_lock_t;
69#define	IEEE80211_TX_LOCK_INIT(_ic, _name) do {				\
70	ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock;			\
71	snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name);	\
72	mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF);	\
73} while (0)
74#define	IEEE80211_TX_LOCK_OBJ(_ic)	(&(_ic)->ic_txlock.mtx)
75#define	IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic))
76#define	IEEE80211_TX_LOCK(_ic)	   mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic))
77#define	IEEE80211_TX_UNLOCK(_ic)	   mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic))
78#define	IEEE80211_TX_LOCK_ASSERT(_ic) \
79	mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED)
80#define	IEEE80211_TX_UNLOCK_ASSERT(_ic) \
81	mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED)
82
83/*
84 * Node locking definitions.
85 */
86typedef struct {
87	char		name[16];		/* e.g. "ath0_node_lock" */
88	struct mtx	mtx;
89} ieee80211_node_lock_t;
90#define	IEEE80211_NODE_LOCK_INIT(_nt, _name) do {			\
91	ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock;		\
92	snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name);	\
93	mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE);	\
94} while (0)
95#define	IEEE80211_NODE_LOCK_OBJ(_nt)	(&(_nt)->nt_nodelock.mtx)
96#define	IEEE80211_NODE_LOCK_DESTROY(_nt) \
97	mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt))
98#define	IEEE80211_NODE_LOCK(_nt) \
99	mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt))
100#define	IEEE80211_NODE_IS_LOCKED(_nt) \
101	mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt))
102#define	IEEE80211_NODE_UNLOCK(_nt) \
103	mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt))
104#define	IEEE80211_NODE_LOCK_ASSERT(_nt)	\
105	mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED)
106
107/*
108 * Node table iteration locking definitions; this protects the
109 * scan generation # used to iterate over the station table
110 * while grabbing+releasing the node lock.
111 */
112typedef struct {
113	char		name[16];		/* e.g. "ath0_scan_lock" */
114	struct mtx	mtx;
115} ieee80211_scan_lock_t;
116#define	IEEE80211_NODE_ITERATE_LOCK_INIT(_nt, _name) do {		\
117	ieee80211_scan_lock_t *sl = &(_nt)->nt_scanlock;		\
118	snprintf(sl->name, sizeof(sl->name), "%s_scan_lock", _name);	\
119	mtx_init(&sl->mtx, sl->name, NULL, MTX_DEF);			\
120} while (0)
121#define	IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt)	(&(_nt)->nt_scanlock.mtx)
122#define	IEEE80211_NODE_ITERATE_LOCK_DESTROY(_nt) \
123	mtx_destroy(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
124#define	IEEE80211_NODE_ITERATE_LOCK(_nt) \
125	mtx_lock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
126#define	IEEE80211_NODE_ITERATE_UNLOCK(_nt) \
127	mtx_unlock(IEEE80211_NODE_ITERATE_LOCK_OBJ(_nt))
128
129/*
130 * Power-save queue definitions.
131 */
132typedef struct mtx ieee80211_psq_lock_t;
133#define	IEEE80211_PSQ_INIT(_psq, _name) \
134	mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF)
135#define	IEEE80211_PSQ_DESTROY(_psq)	mtx_destroy(&(_psq)->psq_lock)
136#define	IEEE80211_PSQ_LOCK(_psq)	mtx_lock(&(_psq)->psq_lock)
137#define	IEEE80211_PSQ_UNLOCK(_psq)	mtx_unlock(&(_psq)->psq_lock)
138
139#ifndef IF_PREPEND_LIST
140#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
141	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
142	if ((ifq)->ifq_tail == NULL)				\
143		(ifq)->ifq_tail = (mtail);			\
144	(ifq)->ifq_head = (mhead);				\
145	(ifq)->ifq_len += (mcount);				\
146} while (0)
147#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
148	IF_LOCK(ifq);						\
149	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
150	IF_UNLOCK(ifq);						\
151} while (0)
152#endif /* IF_PREPEND_LIST */
153
154/*
155 * Age queue definitions.
156 */
157typedef struct mtx ieee80211_ageq_lock_t;
158#define	IEEE80211_AGEQ_INIT(_aq, _name) \
159	mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF)
160#define	IEEE80211_AGEQ_DESTROY(_aq)	mtx_destroy(&(_aq)->aq_lock)
161#define	IEEE80211_AGEQ_LOCK(_aq)	mtx_lock(&(_aq)->aq_lock)
162#define	IEEE80211_AGEQ_UNLOCK(_aq)	mtx_unlock(&(_aq)->aq_lock)
163
164/*
165 * 802.1x MAC ACL database locking definitions.
166 */
167typedef struct mtx acl_lock_t;
168#define	ACL_LOCK_INIT(_as, _name) \
169	mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
170#define	ACL_LOCK_DESTROY(_as)		mtx_destroy(&(_as)->as_lock)
171#define	ACL_LOCK(_as)			mtx_lock(&(_as)->as_lock)
172#define	ACL_UNLOCK(_as)			mtx_unlock(&(_as)->as_lock)
173#define	ACL_LOCK_ASSERT(_as) \
174	mtx_assert((&(_as)->as_lock), MA_OWNED)
175
176/*
177 * Scan table definitions.
178 */
179typedef struct mtx ieee80211_scan_table_lock_t;
180#define	IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \
181	mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF)
182#define	IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st)	mtx_destroy(&(_st)->st_lock)
183#define	IEEE80211_SCAN_TABLE_LOCK(_st)		mtx_lock(&(_st)->st_lock)
184#define	IEEE80211_SCAN_TABLE_UNLOCK(_st)	mtx_unlock(&(_st)->st_lock)
185
186/*
187 * Node reference counting definitions.
188 *
189 * ieee80211_node_initref	initialize the reference count to 1
190 * ieee80211_node_incref	add a reference
191 * ieee80211_node_decref	remove a reference
192 * ieee80211_node_dectestref	remove a reference and return 1 if this
193 *				is the last reference, otherwise 0
194 * ieee80211_node_refcnt	reference count for printing (only)
195 */
196#include <machine/atomic.h>
197
198#define ieee80211_node_initref(_ni) \
199	do { ((_ni)->ni_refcnt = 1); } while (0)
200#define ieee80211_node_incref(_ni) \
201	atomic_add_int(&(_ni)->ni_refcnt, 1)
202#define	ieee80211_node_decref(_ni) \
203	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
204struct ieee80211_node;
205int	ieee80211_node_dectestref(struct ieee80211_node *ni);
206#define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
207
208struct ifqueue;
209struct ieee80211vap;
210void	ieee80211_drain_ifq(struct ifqueue *);
211void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
212
213void	ieee80211_vap_destroy(struct ieee80211vap *);
214
215#define	IFNET_IS_UP_RUNNING(_ifp) \
216	(((_ifp)->if_flags & IFF_UP) && \
217	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
218
219#define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
220#define	ticks_to_msecs(t)	(1000*(t) / hz)
221#define	ticks_to_secs(t)	((t) / hz)
222#define time_after(a,b) 	((long)(b) - (long)(a) < 0)
223#define time_before(a,b)	time_after(b,a)
224#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
225#define time_before_eq(a,b)	time_after_eq(b,a)
226
227struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
228
229/* tx path usage */
230#define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
231#define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
232#define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
233#define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
234#define	M_FF		M_PROTO6		/* fast frame */
235#define	M_TXCB		M_PROTO7		/* do tx complete callback */
236#define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
237#define	M_FRAG		M_PROTO9		/* frame fragmentation */
238#define	M_FIRSTFRAG	M_PROTO10		/* first frame fragment */
239#define	M_LASTFRAG	M_PROTO11		/* last frame fragment */
240#define	M_80211_TX \
241	(M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \
242	 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG)
243
244/* rx path usage */
245#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
246#define	M_WEP		M_PROTO2		/* WEP done by hardware */
247#if 0
248#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
249#endif
250#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
251
252#define	IEEE80211_MBUF_TX_FLAG_BITS \
253	M_FLAG_BITS \
254	"\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \
255	"\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG"
256
257#define	IEEE80211_MBUF_RX_FLAG_BITS \
258	M_FLAG_BITS \
259	"\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU"
260
261/*
262 * Store WME access control bits in the vlan tag.
263 * This is safe since it's done after the packet is classified
264 * (where we use any previous tag) and because it's passed
265 * directly in to the driver and there's no chance someone
266 * else will clobber them on us.
267 */
268#define	M_WME_SETAC(m, ac) \
269	((m)->m_pkthdr.ether_vtag = (ac))
270#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
271
272/*
273 * Mbufs on the power save queue are tagged with an age and
274 * timed out.  We reuse the hardware checksum field in the
275 * mbuf packet header to store this data.
276 */
277#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
278#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
279#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
280
281/*
282 * Store the sequence number.
283 */
284#define	M_SEQNO_SET(m, seqno) \
285	((m)->m_pkthdr.tso_segsz = (seqno))
286#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
287
288#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
289
290struct ieee80211_cb {
291	void	(*func)(struct ieee80211_node *, void *, int status);
292	void	*arg;
293};
294#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
295int	ieee80211_add_callback(struct mbuf *m,
296		void (*func)(struct ieee80211_node *, void *, int), void *arg);
297void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
298
299struct ieee80211com;
300int	ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *);
301int	ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *);
302
303void	get_random_bytes(void *, size_t);
304
305void	ieee80211_sysctl_attach(struct ieee80211com *);
306void	ieee80211_sysctl_detach(struct ieee80211com *);
307void	ieee80211_sysctl_vattach(struct ieee80211vap *);
308void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
309
310SYSCTL_DECL(_net_wlan);
311int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
312
313void	ieee80211_load_module(const char *);
314
315/*
316 * A "policy module" is an adjunct module to net80211 that provides
317 * functionality that typically includes policy decisions.  This
318 * modularity enables extensibility and vendor-supplied functionality.
319 */
320#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
321typedef void (*policy##_setup)(int);					\
322SET_DECLARE(policy##_set, policy##_setup);				\
323static int								\
324wlan_##name##_modevent(module_t mod, int type, void *unused)		\
325{									\
326	policy##_setup * const *iter, f;				\
327	switch (type) {							\
328	case MOD_LOAD:							\
329		SET_FOREACH(iter, policy##_set) {			\
330			f = (void*) *iter;				\
331			f(type);					\
332		}							\
333		return 0;						\
334	case MOD_UNLOAD:						\
335	case MOD_QUIESCE:						\
336		if (nrefs) {						\
337			printf("wlan_##name: still in use (%u dynamic refs)\n",\
338				nrefs);					\
339			return EBUSY;					\
340		}							\
341		if (type == MOD_UNLOAD) {				\
342			SET_FOREACH(iter, policy##_set) {		\
343				f = (void*) *iter;			\
344				f(type);				\
345			}						\
346		}							\
347		return 0;						\
348	}								\
349	return EINVAL;							\
350}									\
351static moduledata_t name##_mod = {					\
352	"wlan_" #name,							\
353	wlan_##name##_modevent,						\
354	0								\
355};									\
356DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
357MODULE_VERSION(wlan_##name, version);					\
358MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
359
360/*
361 * Crypto modules implement cipher support.
362 */
363#define	IEEE80211_CRYPTO_MODULE(name, version)				\
364_IEEE80211_POLICY_MODULE(crypto, name, version);			\
365static void								\
366name##_modevent(int type)						\
367{									\
368	if (type == MOD_LOAD)						\
369		ieee80211_crypto_register(&name);			\
370	else								\
371		ieee80211_crypto_unregister(&name);			\
372}									\
373TEXT_SET(crypto##_set, name##_modevent)
374
375/*
376 * Scanner modules provide scanning policy.
377 */
378#define	IEEE80211_SCANNER_MODULE(name, version)				\
379	_IEEE80211_POLICY_MODULE(scanner, name, version)
380
381#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
382static void								\
383name##_modevent(int type)						\
384{									\
385	if (type == MOD_LOAD)						\
386		ieee80211_scanner_register(alg, &v);			\
387	else								\
388		ieee80211_scanner_unregister(alg, &v);			\
389}									\
390TEXT_SET(scanner_set, name##_modevent);					\
391
392/*
393 * ACL modules implement acl policy.
394 */
395#define	IEEE80211_ACL_MODULE(name, alg, version)			\
396_IEEE80211_POLICY_MODULE(acl, name, version);				\
397static void								\
398alg##_modevent(int type)						\
399{									\
400	if (type == MOD_LOAD)						\
401		ieee80211_aclator_register(&alg);			\
402	else								\
403		ieee80211_aclator_unregister(&alg);			\
404}									\
405TEXT_SET(acl_set, alg##_modevent);					\
406
407/*
408 * Authenticator modules handle 802.1x/WPA authentication.
409 */
410#define	IEEE80211_AUTH_MODULE(name, version)				\
411	_IEEE80211_POLICY_MODULE(auth, name, version)
412
413#define	IEEE80211_AUTH_ALG(name, alg, v)				\
414static void								\
415name##_modevent(int type)						\
416{									\
417	if (type == MOD_LOAD)						\
418		ieee80211_authenticator_register(alg, &v);		\
419	else								\
420		ieee80211_authenticator_unregister(alg);		\
421}									\
422TEXT_SET(auth_set, name##_modevent)
423
424/*
425 * Rate control modules provide tx rate control support.
426 */
427#define	IEEE80211_RATECTL_MODULE(alg, version)				\
428	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
429
430#define	IEEE80211_RATECTL_ALG(name, alg, v)				\
431static void								\
432alg##_modevent(int type)						\
433{									\
434	if (type == MOD_LOAD)						\
435		ieee80211_ratectl_register(alg, &v);			\
436	else								\
437		ieee80211_ratectl_unregister(alg);			\
438}									\
439TEXT_SET(ratectl##_set, alg##_modevent)
440
441struct ieee80211req;
442typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
443    struct ieee80211req *);
444SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
445#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
446
447typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
448    struct ieee80211req *);
449SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
450#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
451#endif /* _KERNEL */
452
453/* XXX this stuff belongs elsewhere */
454/*
455 * Message formats for messages from the net80211 layer to user
456 * applications via the routing socket.  These messages are appended
457 * to an if_announcemsghdr structure.
458 */
459struct ieee80211_join_event {
460	uint8_t		iev_addr[6];
461};
462
463struct ieee80211_leave_event {
464	uint8_t		iev_addr[6];
465};
466
467struct ieee80211_replay_event {
468	uint8_t		iev_src[6];	/* src MAC */
469	uint8_t		iev_dst[6];	/* dst MAC */
470	uint8_t		iev_cipher;	/* cipher type */
471	uint8_t		iev_keyix;	/* key id/index */
472	uint64_t	iev_keyrsc;	/* RSC from key */
473	uint64_t	iev_rsc;	/* RSC from frame */
474};
475
476struct ieee80211_michael_event {
477	uint8_t		iev_src[6];	/* src MAC */
478	uint8_t		iev_dst[6];	/* dst MAC */
479	uint8_t		iev_cipher;	/* cipher type */
480	uint8_t		iev_keyix;	/* key id/index */
481};
482
483struct ieee80211_wds_event {
484	uint8_t		iev_addr[6];
485};
486
487struct ieee80211_csa_event {
488	uint32_t	iev_flags;	/* channel flags */
489	uint16_t	iev_freq;	/* setting in Mhz */
490	uint8_t		iev_ieee;	/* IEEE channel number */
491	uint8_t		iev_mode;	/* CSA mode */
492	uint8_t		iev_count;	/* CSA count */
493};
494
495struct ieee80211_cac_event {
496	uint32_t	iev_flags;	/* channel flags */
497	uint16_t	iev_freq;	/* setting in Mhz */
498	uint8_t		iev_ieee;	/* IEEE channel number */
499	/* XXX timestamp? */
500	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
501};
502
503struct ieee80211_radar_event {
504	uint32_t	iev_flags;	/* channel flags */
505	uint16_t	iev_freq;	/* setting in Mhz */
506	uint8_t		iev_ieee;	/* IEEE channel number */
507	/* XXX timestamp? */
508};
509
510struct ieee80211_auth_event {
511	uint8_t		iev_addr[6];
512};
513
514struct ieee80211_deauth_event {
515	uint8_t		iev_addr[6];
516};
517
518struct ieee80211_country_event {
519	uint8_t		iev_addr[6];
520	uint8_t		iev_cc[2];	/* ISO country code */
521};
522
523struct ieee80211_radio_event {
524	uint8_t		iev_state;	/* 1 on, 0 off */
525};
526
527#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
528#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
529#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
530#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
531#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
532#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
533#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
534#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
535#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
536#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
537#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
538#define	RTM_IEEE80211_RADAR	111	/* radar event */
539#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
540#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
541#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
542#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
543#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
544
545/*
546 * Structure prepended to raw packets sent through the bpf
547 * interface when set to DLT_IEEE802_11_RADIO.  This allows
548 * user applications to specify pretty much everything in
549 * an Atheros tx descriptor.  XXX need to generalize.
550 *
551 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
552 * XXX sa_data area.
553 */
554struct ieee80211_bpf_params {
555	uint8_t		ibp_vers;	/* version */
556#define	IEEE80211_BPF_VERSION	0
557	uint8_t		ibp_len;	/* header length in bytes */
558	uint8_t		ibp_flags;
559#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
560#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
561#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
562#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
563#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
564#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
565#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
566	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
567	uint8_t		ibp_try0;	/* series 1 try count */
568	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
569	uint8_t		ibp_power;	/* tx power (device units) */
570	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
571	uint8_t		ibp_try1;	/* series 2 try count */
572	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
573	uint8_t		ibp_try2;	/* series 3 try count */
574	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
575	uint8_t		ibp_try3;	/* series 4 try count */
576	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
577};
578#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
579