ieee80211_freebsd.h revision 241370
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 241370 2012-10-09 08:27:40Z kevlo $
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 * Scan table definitions.
152 */
153typedef struct mtx ieee80211_scan_table_lock_t;
154#define	IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \
155	mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF)
156#define	IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st)	mtx_destroy(&(_st)->st_lock)
157#define	IEEE80211_SCAN_TABLE_LOCK(_st)		mtx_lock(&(_st)->st_lock)
158#define	IEEE80211_SCAN_TABLE_UNLOCK(_st)	mtx_unlock(&(_st)->st_lock)
159
160/*
161 * Node reference counting definitions.
162 *
163 * ieee80211_node_initref	initialize the reference count to 1
164 * ieee80211_node_incref	add a reference
165 * ieee80211_node_decref	remove a reference
166 * ieee80211_node_dectestref	remove a reference and return 1 if this
167 *				is the last reference, otherwise 0
168 * ieee80211_node_refcnt	reference count for printing (only)
169 */
170#include <machine/atomic.h>
171
172#define ieee80211_node_initref(_ni) \
173	do { ((_ni)->ni_refcnt = 1); } while (0)
174#define ieee80211_node_incref(_ni) \
175	atomic_add_int(&(_ni)->ni_refcnt, 1)
176#define	ieee80211_node_decref(_ni) \
177	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
178struct ieee80211_node;
179int	ieee80211_node_dectestref(struct ieee80211_node *ni);
180#define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
181
182struct ifqueue;
183struct ieee80211vap;
184void	ieee80211_drain_ifq(struct ifqueue *);
185void	ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
186
187void	ieee80211_vap_destroy(struct ieee80211vap *);
188
189#define	IFNET_IS_UP_RUNNING(_ifp) \
190	(((_ifp)->if_flags & IFF_UP) && \
191	 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
192
193#define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
194#define	ticks_to_msecs(t)	(1000*(t) / hz)
195#define	ticks_to_secs(t)	((t) / hz)
196#define time_after(a,b) 	((long)(b) - (long)(a) < 0)
197#define time_before(a,b)	time_after(b,a)
198#define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
199#define time_before_eq(a,b)	time_after_eq(b,a)
200
201struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
202
203/* tx path usage */
204#define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
205#define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
206#define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
207#define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
208#define	M_FF		M_PROTO6		/* fast frame */
209#define	M_TXCB		M_PROTO7		/* do tx complete callback */
210#define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
211#define	M_80211_TX \
212	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
213	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
214
215/* rx path usage */
216#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
217#define	M_WEP		M_PROTO2		/* WEP done by hardware */
218#if 0
219#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
220#endif
221#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
222
223#define	IEEE80211_MBUF_TX_FLAG_BITS \
224	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
225	"\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
226	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
227	"\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
228
229#define	IEEE80211_MBUF_RX_FLAG_BITS \
230	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
231	"\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
232	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
233	"\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
234
235/*
236 * Store WME access control bits in the vlan tag.
237 * This is safe since it's done after the packet is classified
238 * (where we use any previous tag) and because it's passed
239 * directly in to the driver and there's no chance someone
240 * else will clobber them on us.
241 */
242#define	M_WME_SETAC(m, ac) \
243	((m)->m_pkthdr.ether_vtag = (ac))
244#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
245
246/*
247 * Mbufs on the power save queue are tagged with an age and
248 * timed out.  We reuse the hardware checksum field in the
249 * mbuf packet header to store this data.
250 */
251#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
252#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
253#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
254
255/*
256 * Store the sequence number.
257 */
258#define	M_SEQNO_SET(m, seqno) \
259	((m)->m_pkthdr.tso_segsz = (seqno))
260#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
261
262#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
263
264struct ieee80211_cb {
265	void	(*func)(struct ieee80211_node *, void *, int status);
266	void	*arg;
267};
268#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
269int	ieee80211_add_callback(struct mbuf *m,
270		void (*func)(struct ieee80211_node *, void *, int), void *arg);
271void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
272
273void	get_random_bytes(void *, size_t);
274
275struct ieee80211com;
276
277void	ieee80211_sysctl_attach(struct ieee80211com *);
278void	ieee80211_sysctl_detach(struct ieee80211com *);
279void	ieee80211_sysctl_vattach(struct ieee80211vap *);
280void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
281
282SYSCTL_DECL(_net_wlan);
283int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
284
285void	ieee80211_load_module(const char *);
286
287/*
288 * A "policy module" is an adjunct module to net80211 that provides
289 * functionality that typically includes policy decisions.  This
290 * modularity enables extensibility and vendor-supplied functionality.
291 */
292#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
293typedef void (*policy##_setup)(int);					\
294SET_DECLARE(policy##_set, policy##_setup);				\
295static int								\
296wlan_##name##_modevent(module_t mod, int type, void *unused)		\
297{									\
298	policy##_setup * const *iter, f;				\
299	switch (type) {							\
300	case MOD_LOAD:							\
301		SET_FOREACH(iter, policy##_set) {			\
302			f = (void*) *iter;				\
303			f(type);					\
304		}							\
305		return 0;						\
306	case MOD_UNLOAD:						\
307	case MOD_QUIESCE:						\
308		if (nrefs) {						\
309			printf("wlan_##name: still in use (%u dynamic refs)\n",\
310				nrefs);					\
311			return EBUSY;					\
312		}							\
313		if (type == MOD_UNLOAD) {				\
314			SET_FOREACH(iter, policy##_set) {		\
315				f = (void*) *iter;			\
316				f(type);				\
317			}						\
318		}							\
319		return 0;						\
320	}								\
321	return EINVAL;							\
322}									\
323static moduledata_t name##_mod = {					\
324	"wlan_" #name,							\
325	wlan_##name##_modevent,						\
326	NULL								\
327};									\
328DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
329MODULE_VERSION(wlan_##name, version);					\
330MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
331
332/*
333 * Crypto modules implement cipher support.
334 */
335#define	IEEE80211_CRYPTO_MODULE(name, version)				\
336_IEEE80211_POLICY_MODULE(crypto, name, version);			\
337static void								\
338name##_modevent(int type)						\
339{									\
340	if (type == MOD_LOAD)						\
341		ieee80211_crypto_register(&name);			\
342	else								\
343		ieee80211_crypto_unregister(&name);			\
344}									\
345TEXT_SET(crypto##_set, name##_modevent)
346
347/*
348 * Scanner modules provide scanning policy.
349 */
350#define	IEEE80211_SCANNER_MODULE(name, version)				\
351	_IEEE80211_POLICY_MODULE(scanner, name, version)
352
353#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
354static void								\
355name##_modevent(int type)						\
356{									\
357	if (type == MOD_LOAD)						\
358		ieee80211_scanner_register(alg, &v);			\
359	else								\
360		ieee80211_scanner_unregister(alg, &v);			\
361}									\
362TEXT_SET(scanner_set, name##_modevent);					\
363
364/*
365 * ACL modules implement acl policy.
366 */
367#define	IEEE80211_ACL_MODULE(name, alg, version)			\
368_IEEE80211_POLICY_MODULE(acl, name, version);				\
369static void								\
370alg##_modevent(int type)						\
371{									\
372	if (type == MOD_LOAD)						\
373		ieee80211_aclator_register(&alg);			\
374	else								\
375		ieee80211_aclator_unregister(&alg);			\
376}									\
377TEXT_SET(acl_set, alg##_modevent);					\
378
379/*
380 * Authenticator modules handle 802.1x/WPA authentication.
381 */
382#define	IEEE80211_AUTH_MODULE(name, version)				\
383	_IEEE80211_POLICY_MODULE(auth, name, version)
384
385#define	IEEE80211_AUTH_ALG(name, alg, v)				\
386static void								\
387name##_modevent(int type)						\
388{									\
389	if (type == MOD_LOAD)						\
390		ieee80211_authenticator_register(alg, &v);		\
391	else								\
392		ieee80211_authenticator_unregister(alg);		\
393}									\
394TEXT_SET(auth_set, name##_modevent)
395
396/*
397 * Rate control modules provide tx rate control support.
398 */
399#define	IEEE80211_RATECTL_MODULE(alg, version)				\
400	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
401
402#define	IEEE80211_RATECTL_ALG(name, alg, v)				\
403static void								\
404alg##_modevent(int type)						\
405{									\
406	if (type == MOD_LOAD)						\
407		ieee80211_ratectl_register(alg, &v);			\
408	else								\
409		ieee80211_ratectl_unregister(alg);			\
410}									\
411TEXT_SET(ratectl##_set, alg##_modevent)
412
413struct ieee80211req;
414typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
415    struct ieee80211req *);
416SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
417#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
418
419typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
420    struct ieee80211req *);
421SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
422#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
423#endif /* _KERNEL */
424
425/* XXX this stuff belongs elsewhere */
426/*
427 * Message formats for messages from the net80211 layer to user
428 * applications via the routing socket.  These messages are appended
429 * to an if_announcemsghdr structure.
430 */
431struct ieee80211_join_event {
432	uint8_t		iev_addr[6];
433};
434
435struct ieee80211_leave_event {
436	uint8_t		iev_addr[6];
437};
438
439struct ieee80211_replay_event {
440	uint8_t		iev_src[6];	/* src MAC */
441	uint8_t		iev_dst[6];	/* dst MAC */
442	uint8_t		iev_cipher;	/* cipher type */
443	uint8_t		iev_keyix;	/* key id/index */
444	uint64_t	iev_keyrsc;	/* RSC from key */
445	uint64_t	iev_rsc;	/* RSC from frame */
446};
447
448struct ieee80211_michael_event {
449	uint8_t		iev_src[6];	/* src MAC */
450	uint8_t		iev_dst[6];	/* dst MAC */
451	uint8_t		iev_cipher;	/* cipher type */
452	uint8_t		iev_keyix;	/* key id/index */
453};
454
455struct ieee80211_wds_event {
456	uint8_t		iev_addr[6];
457};
458
459struct ieee80211_csa_event {
460	uint32_t	iev_flags;	/* channel flags */
461	uint16_t	iev_freq;	/* setting in Mhz */
462	uint8_t		iev_ieee;	/* IEEE channel number */
463	uint8_t		iev_mode;	/* CSA mode */
464	uint8_t		iev_count;	/* CSA count */
465};
466
467struct ieee80211_cac_event {
468	uint32_t	iev_flags;	/* channel flags */
469	uint16_t	iev_freq;	/* setting in Mhz */
470	uint8_t		iev_ieee;	/* IEEE channel number */
471	/* XXX timestamp? */
472	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
473};
474
475struct ieee80211_radar_event {
476	uint32_t	iev_flags;	/* channel flags */
477	uint16_t	iev_freq;	/* setting in Mhz */
478	uint8_t		iev_ieee;	/* IEEE channel number */
479	/* XXX timestamp? */
480};
481
482struct ieee80211_auth_event {
483	uint8_t		iev_addr[6];
484};
485
486struct ieee80211_deauth_event {
487	uint8_t		iev_addr[6];
488};
489
490struct ieee80211_country_event {
491	uint8_t		iev_addr[6];
492	uint8_t		iev_cc[2];	/* ISO country code */
493};
494
495struct ieee80211_radio_event {
496	uint8_t		iev_state;	/* 1 on, 0 off */
497};
498
499#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
500#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
501#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
502#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
503#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
504#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
505#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
506#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
507#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
508#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
509#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
510#define	RTM_IEEE80211_RADAR	111	/* radar event */
511#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
512#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
513#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
514#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
515#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
516
517/*
518 * Structure prepended to raw packets sent through the bpf
519 * interface when set to DLT_IEEE802_11_RADIO.  This allows
520 * user applications to specify pretty much everything in
521 * an Atheros tx descriptor.  XXX need to generalize.
522 *
523 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
524 * XXX sa_data area.
525 */
526struct ieee80211_bpf_params {
527	uint8_t		ibp_vers;	/* version */
528#define	IEEE80211_BPF_VERSION	0
529	uint8_t		ibp_len;	/* header length in bytes */
530	uint8_t		ibp_flags;
531#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
532#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
533#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
534#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
535#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
536#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
537#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
538	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
539	uint8_t		ibp_try0;	/* series 1 try count */
540	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
541	uint8_t		ibp_power;	/* tx power (device units) */
542	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
543	uint8_t		ibp_try1;	/* series 2 try count */
544	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
545	uint8_t		ibp_try2;	/* series 3 try count */
546	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
547	uint8_t		ibp_try3;	/* series 4 try count */
548	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
549};
550#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
551