ieee80211_freebsd.h revision 283538
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 283538 2015-05-25 19:18:16Z adrian $
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
238/*
239 * FreeBSD-HEAD from 1000046 retired M_*FRAG* flags and turned them
240 * into header flags instead.  So, we use the new protocol-specific
241 * flags.
242 *
243 * Earlier FreeBSD versions overload M_FRAG, M_FIRSTFRAG and M_LASTFRAG.
244 *
245 * XXX TODO: rename these fields so there are no namespace clashes!
246 */
247#if __FreeBSD_version >= 1000046
248#define	M_FRAG		M_PROTO9		/* frame fragmentation */
249#define	M_FIRSTFRAG	M_PROTO10		/* first frame fragment */
250#define	M_LASTFRAG	M_PROTO11		/* last frame fragment */
251#endif
252
253#define	M_80211_TX \
254	(M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \
255	 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG)
256
257/* rx path usage */
258#define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
259#define	M_WEP		M_PROTO2		/* WEP done by hardware */
260#if 0
261#define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
262#endif
263#define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
264
265#if __FreeBSD_version >= 1000046
266#define	IEEE80211_MBUF_TX_FLAG_BITS \
267	M_FLAG_BITS \
268	"\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \
269	"\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG"
270#else
271/* There aren't any flag bits available for versions before this */
272/* XXX TODO: implement M_FLAG_BITS for this! */
273#define	IEEE80211_MBUF_TX_FLAG_BITS \
274	"\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \
275	"\24M_AMPDU_MPDU"
276#endif
277
278#define	IEEE80211_MBUF_RX_FLAG_BITS \
279	M_FLAG_BITS \
280	"\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU"
281
282/*
283 * Store WME access control bits in the vlan tag.
284 * This is safe since it's done after the packet is classified
285 * (where we use any previous tag) and because it's passed
286 * directly in to the driver and there's no chance someone
287 * else will clobber them on us.
288 */
289#define	M_WME_SETAC(m, ac) \
290	((m)->m_pkthdr.ether_vtag = (ac))
291#define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vtag)
292
293/*
294 * Mbufs on the power save queue are tagged with an age and
295 * timed out.  We reuse the hardware checksum field in the
296 * mbuf packet header to store this data.
297 */
298#define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
299#define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
300#define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
301
302/*
303 * Store the sequence number.
304 */
305#define	M_SEQNO_SET(m, seqno) \
306	((m)->m_pkthdr.tso_segsz = (seqno))
307#define	M_SEQNO_GET(m)	((m)->m_pkthdr.tso_segsz)
308
309#define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
310
311struct ieee80211_cb {
312	void	(*func)(struct ieee80211_node *, void *, int status);
313	void	*arg;
314};
315#define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
316int	ieee80211_add_callback(struct mbuf *m,
317		void (*func)(struct ieee80211_node *, void *, int), void *arg);
318void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
319
320struct ieee80211com;
321int	ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *);
322int	ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *);
323
324void	get_random_bytes(void *, size_t);
325
326void	ieee80211_sysctl_attach(struct ieee80211com *);
327void	ieee80211_sysctl_detach(struct ieee80211com *);
328void	ieee80211_sysctl_vattach(struct ieee80211vap *);
329void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
330
331SYSCTL_DECL(_net_wlan);
332int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
333
334void	ieee80211_load_module(const char *);
335
336/*
337 * A "policy module" is an adjunct module to net80211 that provides
338 * functionality that typically includes policy decisions.  This
339 * modularity enables extensibility and vendor-supplied functionality.
340 */
341#define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
342typedef void (*policy##_setup)(int);					\
343SET_DECLARE(policy##_set, policy##_setup);				\
344static int								\
345wlan_##name##_modevent(module_t mod, int type, void *unused)		\
346{									\
347	policy##_setup * const *iter, f;				\
348	switch (type) {							\
349	case MOD_LOAD:							\
350		SET_FOREACH(iter, policy##_set) {			\
351			f = (void*) *iter;				\
352			f(type);					\
353		}							\
354		return 0;						\
355	case MOD_UNLOAD:						\
356	case MOD_QUIESCE:						\
357		if (nrefs) {						\
358			printf("wlan_" #name ": still in use "		\
359				"(%u dynamic refs)\n", nrefs);		\
360			return EBUSY;					\
361		}							\
362		if (type == MOD_UNLOAD) {				\
363			SET_FOREACH(iter, policy##_set) {		\
364				f = (void*) *iter;			\
365				f(type);				\
366			}						\
367		}							\
368		return 0;						\
369	}								\
370	return EINVAL;							\
371}									\
372static moduledata_t name##_mod = {					\
373	"wlan_" #name,							\
374	wlan_##name##_modevent,						\
375	0								\
376};									\
377DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
378MODULE_VERSION(wlan_##name, version);					\
379MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
380
381/*
382 * Crypto modules implement cipher support.
383 */
384#define	IEEE80211_CRYPTO_MODULE(name, version)				\
385_IEEE80211_POLICY_MODULE(crypto, name, version);			\
386static void								\
387name##_modevent(int type)						\
388{									\
389	if (type == MOD_LOAD)						\
390		ieee80211_crypto_register(&name);			\
391	else								\
392		ieee80211_crypto_unregister(&name);			\
393}									\
394TEXT_SET(crypto##_set, name##_modevent)
395
396/*
397 * Scanner modules provide scanning policy.
398 */
399#define	IEEE80211_SCANNER_MODULE(name, version)				\
400	_IEEE80211_POLICY_MODULE(scanner, name, version)
401
402#define	IEEE80211_SCANNER_ALG(name, alg, v)				\
403static void								\
404name##_modevent(int type)						\
405{									\
406	if (type == MOD_LOAD)						\
407		ieee80211_scanner_register(alg, &v);			\
408	else								\
409		ieee80211_scanner_unregister(alg, &v);			\
410}									\
411TEXT_SET(scanner_set, name##_modevent);					\
412
413/*
414 * ACL modules implement acl policy.
415 */
416#define	IEEE80211_ACL_MODULE(name, alg, version)			\
417_IEEE80211_POLICY_MODULE(acl, name, version);				\
418static void								\
419alg##_modevent(int type)						\
420{									\
421	if (type == MOD_LOAD)						\
422		ieee80211_aclator_register(&alg);			\
423	else								\
424		ieee80211_aclator_unregister(&alg);			\
425}									\
426TEXT_SET(acl_set, alg##_modevent);					\
427
428/*
429 * Authenticator modules handle 802.1x/WPA authentication.
430 */
431#define	IEEE80211_AUTH_MODULE(name, version)				\
432	_IEEE80211_POLICY_MODULE(auth, name, version)
433
434#define	IEEE80211_AUTH_ALG(name, alg, v)				\
435static void								\
436name##_modevent(int type)						\
437{									\
438	if (type == MOD_LOAD)						\
439		ieee80211_authenticator_register(alg, &v);		\
440	else								\
441		ieee80211_authenticator_unregister(alg);		\
442}									\
443TEXT_SET(auth_set, name##_modevent)
444
445/*
446 * Rate control modules provide tx rate control support.
447 */
448#define	IEEE80211_RATECTL_MODULE(alg, version)				\
449	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
450
451#define	IEEE80211_RATECTL_ALG(name, alg, v)				\
452static void								\
453alg##_modevent(int type)						\
454{									\
455	if (type == MOD_LOAD)						\
456		ieee80211_ratectl_register(alg, &v);			\
457	else								\
458		ieee80211_ratectl_unregister(alg);			\
459}									\
460TEXT_SET(ratectl##_set, alg##_modevent)
461
462struct ieee80211req;
463typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
464    struct ieee80211req *);
465SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
466#define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
467
468typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
469    struct ieee80211req *);
470SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
471#define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
472#endif /* _KERNEL */
473
474/* XXX this stuff belongs elsewhere */
475/*
476 * Message formats for messages from the net80211 layer to user
477 * applications via the routing socket.  These messages are appended
478 * to an if_announcemsghdr structure.
479 */
480struct ieee80211_join_event {
481	uint8_t		iev_addr[6];
482};
483
484struct ieee80211_leave_event {
485	uint8_t		iev_addr[6];
486};
487
488struct ieee80211_replay_event {
489	uint8_t		iev_src[6];	/* src MAC */
490	uint8_t		iev_dst[6];	/* dst MAC */
491	uint8_t		iev_cipher;	/* cipher type */
492	uint8_t		iev_keyix;	/* key id/index */
493	uint64_t	iev_keyrsc;	/* RSC from key */
494	uint64_t	iev_rsc;	/* RSC from frame */
495};
496
497struct ieee80211_michael_event {
498	uint8_t		iev_src[6];	/* src MAC */
499	uint8_t		iev_dst[6];	/* dst MAC */
500	uint8_t		iev_cipher;	/* cipher type */
501	uint8_t		iev_keyix;	/* key id/index */
502};
503
504struct ieee80211_wds_event {
505	uint8_t		iev_addr[6];
506};
507
508struct ieee80211_csa_event {
509	uint32_t	iev_flags;	/* channel flags */
510	uint16_t	iev_freq;	/* setting in Mhz */
511	uint8_t		iev_ieee;	/* IEEE channel number */
512	uint8_t		iev_mode;	/* CSA mode */
513	uint8_t		iev_count;	/* CSA count */
514};
515
516struct ieee80211_cac_event {
517	uint32_t	iev_flags;	/* channel flags */
518	uint16_t	iev_freq;	/* setting in Mhz */
519	uint8_t		iev_ieee;	/* IEEE channel number */
520	/* XXX timestamp? */
521	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
522};
523
524struct ieee80211_radar_event {
525	uint32_t	iev_flags;	/* channel flags */
526	uint16_t	iev_freq;	/* setting in Mhz */
527	uint8_t		iev_ieee;	/* IEEE channel number */
528	/* XXX timestamp? */
529};
530
531struct ieee80211_auth_event {
532	uint8_t		iev_addr[6];
533};
534
535struct ieee80211_deauth_event {
536	uint8_t		iev_addr[6];
537};
538
539struct ieee80211_country_event {
540	uint8_t		iev_addr[6];
541	uint8_t		iev_cc[2];	/* ISO country code */
542};
543
544struct ieee80211_radio_event {
545	uint8_t		iev_state;	/* 1 on, 0 off */
546};
547
548#define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
549#define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
550#define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
551#define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
552#define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
553#define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
554#define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
555#define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
556#define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
557#define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
558#define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
559#define	RTM_IEEE80211_RADAR	111	/* radar event */
560#define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
561#define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
562#define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
563#define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
564#define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
565
566/*
567 * Structure prepended to raw packets sent through the bpf
568 * interface when set to DLT_IEEE802_11_RADIO.  This allows
569 * user applications to specify pretty much everything in
570 * an Atheros tx descriptor.  XXX need to generalize.
571 *
572 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
573 * XXX sa_data area.
574 */
575struct ieee80211_bpf_params {
576	uint8_t		ibp_vers;	/* version */
577#define	IEEE80211_BPF_VERSION	0
578	uint8_t		ibp_len;	/* header length in bytes */
579	uint8_t		ibp_flags;
580#define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
581#define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
582#define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
583#define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
584#define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
585#define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
586#define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
587	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
588	uint8_t		ibp_try0;	/* series 1 try count */
589	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
590	uint8_t		ibp_power;	/* tx power (device units) */
591	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
592	uint8_t		ibp_try1;	/* series 2 try count */
593	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
594	uint8_t		ibp_try2;	/* series 3 try count */
595	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
596	uint8_t		ibp_try3;	/* series 4 try count */
597	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
598};
599
600/*
601 * Malloc API.  Other BSD operating systems have slightly
602 * different malloc/free namings (eg DragonflyBSD.)
603 */
604#define	IEEE80211_MALLOC	malloc
605#define	IEEE80211_FREE		free
606
607/* XXX TODO: get rid of WAITOK, fix all the users of it? */
608#define	IEEE80211_M_NOWAIT	M_NOWAIT
609#define	IEEE80211_M_WAITOK	M_WAITOK
610#define	IEEE80211_M_ZERO	M_ZERO
611
612/* XXX TODO: the type fields */
613
614#endif /* _NET80211_IEEE80211_FREEBSD_H_ */
615