ieee80211_freebsd.h revision 192473
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 192473 2009-05-20 20:18:01Z 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#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#define	_AGEQ_ENQUEUE(_ifq, _m, _qlen, _age) do {		\
104	(_m)->m_nextpkt = NULL;					\
105	if ((_ifq)->ifq_tail != NULL) { 			\
106		_age -= M_AGE_GET((_ifq)->ifq_head);		\
107		(_ifq)->ifq_tail->m_nextpkt = (_m);		\
108	} else { 						\
109		(_ifq)->ifq_head = (_m); 			\
110	}							\
111	M_AGE_SET(_m, _age);					\
112	(_ifq)->ifq_tail = (_m); 				\
113	(_qlen) = ++(_ifq)->ifq_len; 				\
114} while (0)
115
116/*
117 * Power-save queue definitions.
118 */
119typedef struct mtx ieee80211_psq_lock_t;
120#define	IEEE80211_PSQ_INIT(_psq, _name) \
121	mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF);
122#define	IEEE80211_PSQ_DESTROY(_psq)	mtx_destroy(&(_psq)->psq_lock)
123#define	IEEE80211_PSQ_LOCK(_psq)	mtx_lock(&(_psq)->psq_lock)
124#define	IEEE80211_PSQ_UNLOCK(_psq)	mtx_unlock(&(_psq)->psq_lock)
125
126#ifndef IF_PREPEND_LIST
127#define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {	\
128	(mtail)->m_nextpkt = (ifq)->ifq_head;			\
129	if ((ifq)->ifq_tail == NULL)				\
130		(ifq)->ifq_tail = (mtail);			\
131	(ifq)->ifq_head = (mhead);				\
132	(ifq)->ifq_len += (mcount);				\
133} while (0)
134#define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do {		\
135	IF_LOCK(ifq);						\
136	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount);		\
137	IF_UNLOCK(ifq);						\
138} while (0)
139#endif /* IF_PREPEND_LIST */
140
141/* XXX temporary */
142#define	IEEE80211_NODE_WDSQ_INIT(_ni, _name) do {		\
143	mtx_init(&(_ni)->ni_wdsq.ifq_mtx, _name, "802.11 wds queue", MTX_DEF);\
144	(_ni)->ni_wdsq.ifq_maxlen = IEEE80211_PS_MAX_QUEUE;	\
145} while (0)
146#define	IEEE80211_NODE_WDSQ_DESTROY(_ni) do { \
147	mtx_destroy(&(_ni)->ni_wdsq.ifq_mtx); \
148} while (0)
149#define	IEEE80211_NODE_WDSQ_QLEN(_ni)	_IF_QLEN(&(_ni)->ni_wdsq)
150#define	IEEE80211_NODE_WDSQ_LOCK(_ni)	IF_LOCK(&(_ni)->ni_wdsq)
151#define	IEEE80211_NODE_WDSQ_UNLOCK(_ni)	IF_UNLOCK(&(_ni)->ni_wdsq)
152#define	_IEEE80211_NODE_WDSQ_DEQUEUE_HEAD(_ni, _m) do {		\
153	_IF_DEQUEUE(&(_ni)->ni_wdsq, m);			\
154} while (0)
155#define	_IEEE80211_NODE_WDSQ_ENQUEUE(_ni, _m, _qlen, _age) do {	\
156	_AGEQ_ENQUEUE(&ni->ni_wdsq, _m, _qlen, _age);		\
157} while (0)
158
159/*
160 * 802.1x MAC ACL database locking definitions.
161 */
162typedef struct mtx acl_lock_t;
163#define	ACL_LOCK_INIT(_as, _name) \
164	mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
165#define	ACL_LOCK_DESTROY(_as)		mtx_destroy(&(_as)->as_lock)
166#define	ACL_LOCK(_as)			mtx_lock(&(_as)->as_lock)
167#define	ACL_UNLOCK(_as)			mtx_unlock(&(_as)->as_lock)
168#define	ACL_LOCK_ASSERT(_as) \
169	mtx_assert((&(_as)->as_lock), MA_OWNED)
170
171/*
172 * Node reference counting definitions.
173 *
174 * ieee80211_node_initref	initialize the reference count to 1
175 * ieee80211_node_incref	add a reference
176 * ieee80211_node_decref	remove a reference
177 * ieee80211_node_dectestref	remove a reference and return 1 if this
178 *				is the last reference, otherwise 0
179 * ieee80211_node_refcnt	reference count for printing (only)
180 */
181#include <machine/atomic.h>
182
183#define ieee80211_node_initref(_ni) \
184	do { ((_ni)->ni_refcnt = 1); } while (0)
185#define ieee80211_node_incref(_ni) \
186	atomic_add_int(&(_ni)->ni_refcnt, 1)
187#define	ieee80211_node_decref(_ni) \
188	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
189struct ieee80211_node;
190int	ieee80211_node_dectestref(struct ieee80211_node *ni);
191#define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
192
193struct ifqueue;
194struct ieee80211vap;
195void	ieee80211_drain_ifq(struct ifqueue *);
196void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
197
198void	ieee80211_vap_destroy(struct ieee80211vap *);
199
200#define	IFNET_IS_UP_RUNNING(_ifp) \
201	(((_ifp)->if_flags & IFF_UP) && \
202	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
203
204#define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
205#define	ticks_to_msecs(t)	(1000*(t) / hz)
206#define	ticks_to_secs(t)	((t) / hz)
207#define time_after(a,b) 	((long)(b) - (long)(a) < 0)
208#define time_before(a,b)	time_after(b,a)
209#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
210#define time_before_eq(a,b)	time_after_eq(b,a)
211
212struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
213
214/* tx path usage */
215#define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
216#define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
217#define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
218#define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
219#define	M_FF		M_PROTO6		/* fast frame */
220#define	M_TXCB		M_PROTO7		/* do tx complete callback */
221#define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
222#define	M_80211_TX \
223	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
224	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
225
226/* rx path usage */
227#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
228#define	M_WEP		M_PROTO2		/* WEP done by hardware */
229#if 0
230#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
231#endif
232#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
233/*
234 * Store WME access control bits in the vlan tag.
235 * This is safe since it's done after the packet is classified
236 * (where we use any previous tag) and because it's passed
237 * directly in to the driver and there's no chance someone
238 * else will clobber them on us.
239 */
240#define	M_WME_SETAC(m, ac) \
241	((m)->m_pkthdr.ether_vtag = (ac))
242#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
243
244/*
245 * Mbufs on the power save queue are tagged with an age and
246 * timed out.  We reuse the hardware checksum field in the
247 * mbuf packet header to store this data.
248 */
249#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
250#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
251#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
252
253/*
254 * Store the sequence number.
255 */
256#define	M_SEQNO_SET(m, seqno) \
257	((m)->m_pkthdr.tso_segsz = (seqno))
258#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
259
260#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
261
262struct ieee80211_cb {
263	void	(*func)(struct ieee80211_node *, void *, int status);
264	void	*arg;
265};
266#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
267int	ieee80211_add_callback(struct mbuf *m,
268		void (*func)(struct ieee80211_node *, void *, int), void *arg);
269void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
270
271void	get_random_bytes(void *, size_t);
272
273struct ieee80211com;
274
275void	ieee80211_sysctl_attach(struct ieee80211com *);
276void	ieee80211_sysctl_detach(struct ieee80211com *);
277void	ieee80211_sysctl_vattach(struct ieee80211vap *);
278void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
279
280SYSCTL_DECL(_net_wlan);
281int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
282
283void	ieee80211_load_module(const char *);
284
285/*
286 * A "policy module" is an adjunct module to net80211 that provides
287 * functionality that typically includes policy decisions.  This
288 * modularity enables extensibility and vendor-supplied functionality.
289 */
290#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
291typedef void (*policy##_setup)(int);					\
292SET_DECLARE(policy##_set, policy##_setup);				\
293static int								\
294wlan_##name##_modevent(module_t mod, int type, void *unused)		\
295{									\
296	policy##_setup * const *iter, f;				\
297	switch (type) {							\
298	case MOD_LOAD:							\
299		SET_FOREACH(iter, policy##_set) {			\
300			f = (void*) *iter;				\
301			f(type);					\
302		}							\
303		return 0;						\
304	case MOD_UNLOAD:						\
305	case MOD_QUIESCE:						\
306		if (nrefs) {						\
307			printf("wlan_##name: still in use (%u dynamic refs)\n",\
308				nrefs);					\
309			return EBUSY;					\
310		}							\
311		if (type == MOD_UNLOAD) {				\
312			SET_FOREACH(iter, policy##_set) {		\
313				f = (void*) *iter;			\
314				f(type);				\
315			}						\
316		}							\
317		return 0;						\
318	}								\
319	return EINVAL;							\
320}									\
321static moduledata_t name##_mod = {					\
322	"wlan_" #name,							\
323	wlan_##name##_modevent,						\
324	0								\
325};									\
326DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
327MODULE_VERSION(wlan_##name, version);					\
328MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
329
330/*
331 * Crypto modules implement cipher support.
332 */
333#define	IEEE80211_CRYPTO_MODULE(name, version)				\
334_IEEE80211_POLICY_MODULE(crypto, name, version);			\
335static void								\
336name##_modevent(int type)						\
337{									\
338	if (type == MOD_LOAD)						\
339		ieee80211_crypto_register(&name);			\
340	else								\
341		ieee80211_crypto_unregister(&name);			\
342}									\
343TEXT_SET(crypto##_set, name##_modevent)
344
345/*
346 * Scanner modules provide scanning policy.
347 */
348#define	IEEE80211_SCANNER_MODULE(name, version)				\
349	_IEEE80211_POLICY_MODULE(scanner, name, version)
350
351#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
352static void								\
353name##_modevent(int type)						\
354{									\
355	if (type == MOD_LOAD)						\
356		ieee80211_scanner_register(alg, &v);			\
357	else								\
358		ieee80211_scanner_unregister(alg, &v);			\
359}									\
360TEXT_SET(scanner_set, name##_modevent);					\
361
362/*
363 * ACL modules implement acl policy.
364 */
365#define	IEEE80211_ACL_MODULE(name, alg, version)			\
366_IEEE80211_POLICY_MODULE(acl, name, version);				\
367static void								\
368alg##_modevent(int type)						\
369{									\
370	if (type == MOD_LOAD)						\
371		ieee80211_aclator_register(&alg);			\
372	else								\
373		ieee80211_aclator_unregister(&alg);			\
374}									\
375TEXT_SET(acl_set, alg##_modevent);					\
376
377/*
378 * Authenticator modules handle 802.1x/WPA authentication.
379 */
380#define	IEEE80211_AUTH_MODULE(name, version)				\
381	_IEEE80211_POLICY_MODULE(auth, name, version)
382
383#define	IEEE80211_AUTH_ALG(name, alg, v)				\
384static void								\
385name##_modevent(int type)						\
386{									\
387	if (type == MOD_LOAD)						\
388		ieee80211_authenticator_register(alg, &v);		\
389	else								\
390		ieee80211_authenticator_unregister(alg);		\
391}									\
392TEXT_SET(auth_set, name##_modevent)
393
394/*
395 * Rate control modules provide tx rate control support.
396 */
397#define	IEEE80211_RATE_MODULE(alg, version)				\
398_IEEE80211_POLICY_MODULE(rate, alg, version);				\
399static void								\
400alg##_modevent(int type)						\
401{									\
402	/* XXX nothing to do until the rate control framework arrives */\
403}									\
404TEXT_SET(rate##_set, alg##_modevent)
405
406struct ieee80211req;
407typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
408    struct ieee80211req *);
409SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
410#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
411
412typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
413    struct ieee80211req *);
414SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
415#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
416#endif /* _KERNEL */
417
418/* XXX this stuff belongs elsewhere */
419/*
420 * Message formats for messages from the net80211 layer to user
421 * applications via the routing socket.  These messages are appended
422 * to an if_announcemsghdr structure.
423 */
424struct ieee80211_join_event {
425	uint8_t		iev_addr[6];
426};
427
428struct ieee80211_leave_event {
429	uint8_t		iev_addr[6];
430};
431
432struct ieee80211_replay_event {
433	uint8_t		iev_src[6];	/* src MAC */
434	uint8_t		iev_dst[6];	/* dst MAC */
435	uint8_t		iev_cipher;	/* cipher type */
436	uint8_t		iev_keyix;	/* key id/index */
437	uint64_t	iev_keyrsc;	/* RSC from key */
438	uint64_t	iev_rsc;	/* RSC from frame */
439};
440
441struct ieee80211_michael_event {
442	uint8_t		iev_src[6];	/* src MAC */
443	uint8_t		iev_dst[6];	/* dst MAC */
444	uint8_t		iev_cipher;	/* cipher type */
445	uint8_t		iev_keyix;	/* key id/index */
446};
447
448struct ieee80211_wds_event {
449	uint8_t		iev_addr[6];
450};
451
452struct ieee80211_csa_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	uint8_t		iev_mode;	/* CSA mode */
457	uint8_t		iev_count;	/* CSA count */
458};
459
460struct ieee80211_cac_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	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
466};
467
468struct ieee80211_radar_event {
469	uint32_t	iev_flags;	/* channel flags */
470	uint16_t	iev_freq;	/* setting in Mhz */
471	uint8_t		iev_ieee;	/* IEEE channel number */
472	/* XXX timestamp? */
473};
474
475struct ieee80211_auth_event {
476	uint8_t		iev_addr[6];
477};
478
479struct ieee80211_deauth_event {
480	uint8_t		iev_addr[6];
481};
482
483struct ieee80211_country_event {
484	uint8_t		iev_addr[6];
485	uint8_t		iev_cc[2];	/* ISO country code */
486};
487
488struct ieee80211_radio_event {
489	uint8_t		iev_state;	/* 1 on, 0 off */
490};
491
492#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
493#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
494#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
495#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
496#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
497#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
498#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
499#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
500#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
501#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
502#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
503#define	RTM_IEEE80211_RADAR	111	/* radar event */
504#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
505#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
506#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
507#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
508#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
509
510/*
511 * Structure prepended to raw packets sent through the bpf
512 * interface when set to DLT_IEEE802_11_RADIO.  This allows
513 * user applications to specify pretty much everything in
514 * an Atheros tx descriptor.  XXX need to generalize.
515 *
516 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
517 * XXX sa_data area.
518 */
519struct ieee80211_bpf_params {
520	uint8_t		ibp_vers;	/* version */
521#define	IEEE80211_BPF_VERSION	0
522	uint8_t		ibp_len;	/* header length in bytes */
523	uint8_t		ibp_flags;
524#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
525#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
526#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
527#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
528#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
529#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
530#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
531	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
532	uint8_t		ibp_try0;	/* series 1 try count */
533	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
534	uint8_t		ibp_power;	/* tx power (device units) */
535	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
536	uint8_t		ibp_try1;	/* series 2 try count */
537	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
538	uint8_t		ibp_try2;	/* series 3 try count */
539	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
540	uint8_t		ibp_try3;	/* series 4 try count */
541	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
542};
543#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
544