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 195618 2009-07-11 15:02:45Z rpaulo $
26  */
27 #ifndef _NET80211_IEEE80211_DRAGONFLY_H_
28 #define _NET80211_IEEE80211_DRAGONFLY_H_
29 
30 #ifdef _KERNEL
31 
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/serialize.h>
35 #include <sys/sysctl.h>
36 #include <sys/condvar.h>
37 #include <sys/lock.h>
38 #include <sys/taskqueue.h>
39 
40 #include <sys/mutex2.h>
41 #include <sys/serialize2.h>
42 
43 #ifndef IF_PREPEND_LIST
44 
45 /* XXX all are prepended to normal queue */
46 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt) do {	\
47 	(mtail)->m_nextpkt = (ifq)->ifsq_norm_head;		\
48 	if ((ifq)->ifsq_norm_tail == NULL)			\
49 		(ifq)->ifsq_norm_tail = (mtail);		\
50 	(ifq)->ifsq_norm_head = (mhead);			\
51 	(ifq)->ifsq_len += (mcount);				\
52 	(ifq)->ifsq_bcnt += (bcnt);				\
53 } while (0)
54 
55 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt) do {	\
56 	wlan_assert_serialized();				\
57 	_IF_PREPEND_LIST(ifq, mhead, mtail, mcount, bcnt);	\
58 } while (0)
59 
60 #endif /* IF_PREPEND_LIST */
61 
62 /*
63  * Global serializer (operates like a non-reentrant lockmgr lock)
64  */
65 extern struct lwkt_serialize wlan_global_serializer;
66 extern int ieee80211_force_swcrypto;
67 
68 #define wlan_serialize_enter()	_wlan_serialize_enter(__func__)
69 #define wlan_serialize_exit()	_wlan_serialize_exit(__func__)
70 #define wlan_serialize_push()	_wlan_serialize_push(__func__)
71 #define wlan_serialize_pop(wst)	_wlan_serialize_pop(__func__, wst)
72 #define wlan_is_serialized()	_wlan_is_serialized()
73 void _wlan_serialize_enter(const char *funcname);
74 void _wlan_serialize_exit(const char *funcname);
75 int  _wlan_serialize_push(const char *funcname);
76 void _wlan_serialize_pop(const char *funcname, int wst);
77 int  _wlan_is_serialized(void);
78 int wlan_serialize_sleep(void *ident, int flags, const char *wmesg, int timo);
79 
80 static __inline void
81 wlan_assert_serialized(void)
82 {
83 	ASSERT_SERIALIZED(&wlan_global_serializer);
84 }
85 
86 static __inline void
87 wlan_assert_notserialized(void)
88 {
89 	ASSERT_NOT_SERIALIZED(&wlan_global_serializer);
90 }
91 
92 /*
93  * Node reference counting definitions.
94  *
95  * ieee80211_node_initref	initialize the reference count to 1
96  * ieee80211_node_incref	add a reference
97  * ieee80211_node_decref	remove a reference
98  * ieee80211_node_dectestref	remove a reference and return 1 if this
99  *				is the last reference, otherwise 0
100  * ieee80211_node_refcnt	reference count for printing (only)
101  */
102 #include <machine/atomic.h>
103 
104 #define ieee80211_node_initref(_ni) \
105 	do { ((_ni)->ni_refcnt = 1); } while (0)
106 #define ieee80211_node_incref(_ni) \
107 	atomic_add_int(&(_ni)->ni_refcnt, 1)
108 #define	ieee80211_node_decref(_ni) \
109 	atomic_subtract_int(&(_ni)->ni_refcnt, 1)
110 struct ieee80211_node;
111 int	ieee80211_node_dectestref(struct ieee80211_node *ni);
112 #define	ieee80211_node_refcnt(_ni)	(_ni)->ni_refcnt
113 
114 struct ifqueue;
115 struct ieee80211vap;
116 struct ieee80211com;
117 void	ieee80211_flush_ifq(struct ifaltq *, struct ieee80211vap *);
118 
119 void	ieee80211_vap_destroy(struct ieee80211vap *);
120 int	ieee80211_vap_xmitpkt(struct ieee80211vap *vap, struct mbuf *m);
121 int	ieee80211_parent_xmitpkt(struct ieee80211com *ic, struct mbuf *m);
122 int	ieee80211_handoff(struct ifnet *, struct mbuf *);
123 uint16_t ieee80211_txtime(struct ieee80211_node *, u_int, uint8_t, uint32_t);
124 
125 #define	IFNET_IS_UP_RUNNING(_ifp) \
126 	(((_ifp)->if_flags & IFF_UP) && \
127 	 ((_ifp)->if_flags & IFF_RUNNING))
128 
129 #define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
130 #define	ticks_to_msecs(t)	(1000*(t) / hz)
131 #define	ticks_to_secs(t)	((t) / hz)
132 #define time_after(a,b) 	((long)(b) - (long)(a) < 0)
133 #define time_before(a,b)	time_after(b,a)
134 #define time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
135 #define time_before_eq(a,b)	time_after_eq(b,a)
136 
137 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
138 
139 /* tx path usage */
140 #define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
141 #define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
142 #define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
143 #define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
144 #define	M_FF		M_PROTO6		/* fast frame */
145 #define	M_TXCB		M_PROTO7		/* do tx complete callback */
146 #define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
147 #define	M_80211_TX \
148 	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
149 	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
150 
151 /* rx path usage */
152 #define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
153 #define	M_WEP		M_PROTO2		/* WEP done by hardware */
154 #if 0
155 #define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
156 #endif
157 #define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
158 
159 #define	IEEE80211_MBUF_TX_FLAG_BITS \
160 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
161 	"\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
162 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
163 	"\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
164 
165 #define	IEEE80211_MBUF_RX_FLAG_BITS \
166 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
167 	"\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
168 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
169 	"\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
170 
171 /*
172  * Store WME access control bits in the vlan tag.
173  * This is safe since it's done after the packet is classified
174  * (where we use any previous tag) and because it's passed
175  * directly in to the driver and there's no chance someone
176  * else will clobber them on us.
177  */
178 #define	M_WME_SETAC(m, ac) \
179 	((m)->m_pkthdr.ether_vlantag = (ac))
180 #define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vlantag)
181 
182 /*
183  * Mbufs on the power save queue are tagged with an age and
184  * timed out.  We reuse the hardware checksum field in the
185  * mbuf packet header to store this data.
186  */
187 #define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
188 #define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
189 #define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
190 
191 /*
192  * Store the sequence number.
193  */
194 #define	M_SEQNO_SET(m, seqno) \
195 	((m)->m_pkthdr.wlan_seqno = (seqno))
196 #define	M_SEQNO_GET(m)	((m)->m_pkthdr.wlan_seqno)
197 
198 #define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
199 
200 struct ieee80211_cb {
201 	void	(*func)(struct ieee80211_node *, void *, int status);
202 	void	*arg;
203 };
204 #define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
205 int	ieee80211_add_callback(struct mbuf *m,
206 		void (*func)(struct ieee80211_node *, void *, int), void *arg);
207 void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
208 
209 void	get_random_bytes(void *, size_t);
210 
211 struct ieee80211com;
212 
213 void	ieee80211_sysctl_attach(struct ieee80211com *);
214 void	ieee80211_sysctl_detach(struct ieee80211com *);
215 void	ieee80211_sysctl_vattach(struct ieee80211vap *);
216 void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
217 
218 SYSCTL_DECL(_net_wlan);
219 int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
220 
221 void	ieee80211_load_module(const char *);
222 
223 /*
224  * A "policy module" is an adjunct module to net80211 that provides
225  * functionality that typically includes policy decisions.  This
226  * modularity enables extensibility and vendor-supplied functionality.
227  */
228 #define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
229 typedef void (*policy##_setup)(int);					\
230 SET_DECLARE(policy##_set, policy##_setup);				\
231 static int								\
232 wlan_##name##_modevent(module_t mod, int type, void *unused)		\
233 {									\
234 	policy##_setup * const *iter, f;				\
235 	int error;							\
236 									\
237 	switch (type) {							\
238 	case MOD_LOAD:							\
239 		SET_FOREACH(iter, policy##_set) {			\
240 			f = (void*) *iter;				\
241 			f(type);					\
242 		}							\
243 		error = 0;						\
244 		break;							\
245 	case MOD_UNLOAD:						\
246 		error = 0;						\
247 		if (nrefs) {						\
248 			kprintf("wlan_##name: still in use (%u "	\
249 				"dynamic refs)\n",			\
250 				nrefs);					\
251 			error = EBUSY;					\
252 		} else if (type == MOD_UNLOAD) {			\
253 			SET_FOREACH(iter, policy##_set) {		\
254 				f = (void*) *iter;			\
255 				f(type);				\
256 			}						\
257 		}							\
258 		break;							\
259 	default:							\
260 		error = EINVAL;						\
261 		break;							\
262 	}								\
263 									\
264 	return error;							\
265 }									\
266 static moduledata_t name##_mod = {					\
267 	"wlan_" #name,							\
268 	wlan_##name##_modevent,						\
269 	0								\
270 };									\
271 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
272 MODULE_VERSION(wlan_##name, version);					\
273 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
274 
275 /*
276  * Crypto modules implement cipher support.
277  */
278 #define	IEEE80211_CRYPTO_MODULE(name, version)				\
279 _IEEE80211_POLICY_MODULE(crypto, name, version);			\
280 static void								\
281 name##_modevent(int type)						\
282 {									\
283 	/* wlan already serialized! */					\
284 	if (type == MOD_LOAD)						\
285 		ieee80211_crypto_register(&name);			\
286 	else								\
287 		ieee80211_crypto_unregister(&name);			\
288 }									\
289 TEXT_SET(crypto##_set, name##_modevent)
290 
291 /*
292  * Scanner modules provide scanning policy.
293  */
294 #define	IEEE80211_SCANNER_MODULE(name, version)				\
295 	_IEEE80211_POLICY_MODULE(scanner, name, version)
296 
297 #define	IEEE80211_SCANNER_ALG(name, alg, v)				\
298 static void								\
299 name##_modevent(int type)						\
300 {									\
301 	/* wlan already serialized! */					\
302 	if (type == MOD_LOAD)						\
303 		ieee80211_scanner_register(alg, &v);			\
304 	else								\
305 		ieee80211_scanner_unregister(alg, &v);			\
306 }									\
307 TEXT_SET(scanner_set, name##_modevent);					\
308 
309 /*
310  * ACL modules implement acl policy.
311  */
312 #define	IEEE80211_ACL_MODULE(name, alg, version)			\
313 _IEEE80211_POLICY_MODULE(acl, name, version);				\
314 static void								\
315 alg##_modevent(int type)						\
316 {									\
317 	/* wlan already serialized! */					\
318 	if (type == MOD_LOAD)						\
319 		ieee80211_aclator_register(&alg);			\
320 	else								\
321 		ieee80211_aclator_unregister(&alg);			\
322 }									\
323 TEXT_SET(acl_set, alg##_modevent);					\
324 
325 /*
326  * Authenticator modules handle 802.1x/WPA authentication.
327  */
328 #define	IEEE80211_AUTH_MODULE(name, version)				\
329 	_IEEE80211_POLICY_MODULE(auth, name, version)
330 
331 #define	IEEE80211_AUTH_ALG(name, alg, v)				\
332 static void								\
333 name##_modevent(int type)						\
334 {									\
335 	/* wlan already serialized! */					\
336 	if (type == MOD_LOAD)						\
337 		ieee80211_authenticator_register(alg, &v);		\
338 	else								\
339 		ieee80211_authenticator_unregister(alg);		\
340 }									\
341 TEXT_SET(auth_set, name##_modevent)
342 
343 /*
344  * Rate control modules provide tx rate control support.
345  */
346 #define	IEEE80211_RATECTL_MODULE(alg, version)				\
347 	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
348 
349 #define	IEEE80211_RATECTL_ALG(name, alg, v)				\
350 static void								\
351 alg##_modevent(int type)						\
352 {									\
353 	/* wlan already serialized! */					\
354 	if (type == MOD_LOAD)						\
355 		ieee80211_ratectl_register(alg, &v);			\
356 	else								\
357 		ieee80211_ratectl_unregister(alg);			\
358 }									\
359 TEXT_SET(ratectl##_set, alg##_modevent)
360 
361 struct ieee80211req;
362 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
363     struct ieee80211req *);
364 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
365 #define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
366 
367 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
368     struct ieee80211req *);
369 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
370 #define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
371 #endif /* _KERNEL */
372 
373 /* XXX this stuff belongs elsewhere */
374 /*
375  * Message formats for messages from the net80211 layer to user
376  * applications via the routing socket.  These messages are appended
377  * to an if_announcemsghdr structure.
378  */
379 struct ieee80211_join_event {
380 	uint8_t		iev_addr[6];
381 };
382 
383 struct ieee80211_leave_event {
384 	uint8_t		iev_addr[6];
385 };
386 
387 struct ieee80211_replay_event {
388 	uint8_t		iev_src[6];	/* src MAC */
389 	uint8_t		iev_dst[6];	/* dst MAC */
390 	uint8_t		iev_cipher;	/* cipher type */
391 	uint8_t		iev_keyix;	/* key id/index */
392 	uint64_t	iev_keyrsc;	/* RSC from key */
393 	uint64_t	iev_rsc;	/* RSC from frame */
394 };
395 
396 struct ieee80211_michael_event {
397 	uint8_t		iev_src[6];	/* src MAC */
398 	uint8_t		iev_dst[6];	/* dst MAC */
399 	uint8_t		iev_cipher;	/* cipher type */
400 	uint8_t		iev_keyix;	/* key id/index */
401 };
402 
403 struct ieee80211_wds_event {
404 	uint8_t		iev_addr[6];
405 };
406 
407 struct ieee80211_csa_event {
408 	uint32_t	iev_flags;	/* channel flags */
409 	uint16_t	iev_freq;	/* setting in Mhz */
410 	uint8_t		iev_ieee;	/* IEEE channel number */
411 	uint8_t		iev_mode;	/* CSA mode */
412 	uint8_t		iev_count;	/* CSA count */
413 };
414 
415 struct ieee80211_cac_event {
416 	uint32_t	iev_flags;	/* channel flags */
417 	uint16_t	iev_freq;	/* setting in Mhz */
418 	uint8_t		iev_ieee;	/* IEEE channel number */
419 	/* XXX timestamp? */
420 	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
421 };
422 
423 struct ieee80211_radar_event {
424 	uint32_t	iev_flags;	/* channel flags */
425 	uint16_t	iev_freq;	/* setting in Mhz */
426 	uint8_t		iev_ieee;	/* IEEE channel number */
427 	/* XXX timestamp? */
428 };
429 
430 struct ieee80211_auth_event {
431 	uint8_t		iev_addr[6];
432 };
433 
434 struct ieee80211_deauth_event {
435 	uint8_t		iev_addr[6];
436 };
437 
438 struct ieee80211_country_event {
439 	uint8_t		iev_addr[6];
440 	uint8_t		iev_cc[2];	/* ISO country code */
441 };
442 
443 struct ieee80211_radio_event {
444 	uint8_t		iev_state;	/* 1 on, 0 off */
445 };
446 
447 #define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
448 #define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
449 #define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
450 #define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
451 #define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
452 #define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
453 #define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
454 #define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
455 #define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
456 #define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
457 #define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
458 #define	RTM_IEEE80211_RADAR	111	/* radar event */
459 #define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
460 #define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
461 #define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
462 #define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
463 #define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
464 
465 /*
466  * Structure prepended to raw packets sent through the bpf
467  * interface when set to DLT_IEEE802_11_RADIO.  This allows
468  * user applications to specify pretty much everything in
469  * an Atheros tx descriptor.  XXX need to generalize.
470  *
471  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
472  * XXX sa_data area.
473  */
474 struct ieee80211_bpf_params {
475 	uint8_t		ibp_vers;	/* version */
476 #define	IEEE80211_BPF_VERSION	0
477 	uint8_t		ibp_len;	/* header length in bytes */
478 	uint8_t		ibp_flags;
479 #define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
480 #define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
481 #define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
482 #define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
483 #define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
484 #define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
485 #define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
486 	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
487 	uint8_t		ibp_try0;	/* series 1 try count */
488 	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
489 	uint8_t		ibp_power;	/* tx power (device units) */
490 	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
491 	uint8_t		ibp_try1;	/* series 2 try count */
492 	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
493 	uint8_t		ibp_try2;	/* series 3 try count */
494 	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
495 	uint8_t		ibp_try3;	/* series 4 try count */
496 	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
497 };
498 
499 /*
500  * FreeBSD overrides
501  */
502 const char *ether_sprintf(const u_char *buf);
503 
504 #define V_ifnet	ifnet
505 #define IFF_DRV_RUNNING	IFF_RUNNING
506 #define if_drv_flags	if_flags
507 
508 typedef struct lock	ieee80211_psq_lock_t;
509 typedef struct lock	ieee80211_ageq_lock_t;
510 typedef struct lock	ieee80211_node_lock_t;
511 typedef struct lock	ieee80211_scan_lock_t;
512 typedef struct lock	ieee80211_com_lock_t;
513 typedef struct lock	ieee80211_tx_lock_t;
514 typedef struct lock	ieee80211_ageq_lock_t;
515 typedef struct lock	ieee80211_scan_table_lock_t;
516 typedef struct lock	acl_lock_t;
517 typedef struct lock	ieee80211_rte_lock_t;
518 typedef struct lock	ieee80211_rt_lock_t;
519 
520 #define IEEE80211_LOCK_OBJ(ic)			(&(ic)->ic_comlock)
521 
522 #define IEEE80211_LOCK_INIT(ic, name)		lockinit(&(ic)->ic_comlock, name, 0, LK_CANRECURSE)
523 #define IEEE80211_NODE_LOCK_INIT(ic, name)	lockinit(&(nt)->nt_nodelock, name, 0, LK_CANRECURSE)
524 #define IEEE80211_NODE_ITERATE_LOCK_INIT(ic, name)	lockinit(&(nt)->nt_scanlock, name, 0, LK_CANRECURSE)
525 #define IEEE80211_SCAN_TABLE_LOCK_INIT(st, name)	lockinit(&(st)->st_lock, name, 0, LK_CANRECURSE)
526 #define IEEE80211_TX_LOCK_INIT(ic, name)	lockinit(&(ic)->ic_txlock, name, 0, LK_CANRECURSE)
527 #define IEEE80211_AGEQ_LOCK_INIT(aq, name)	lockinit(&(aq)->aq_lock, name, 0, LK_CANRECURSE)
528 #define IEEE80211_PSQ_INIT(psq, name)		lockinit(&(psq)->psq_lock, name, 0, LK_CANRECURSE)
529 #define ACL_LOCK_INIT(as, name)		lockinit(&(as)->as_lock, name, 0, LK_CANRECURSE)
530 #define MESH_RT_ENTRY_LOCK_INIT(st, name)	lockinit(&(st)->rt_lock, name, 0, LK_CANRECURSE)
531 #define MESH_RT_LOCK_INIT(ms, name)	lockinit(&(ms)->ms_rt_lock, name, 0, LK_CANRECURSE)
532 
533 #define IEEE80211_LOCK_DESTROY(ic)		lockuninit(&(ic)->ic_comlock)
534 #define IEEE80211_NODE_LOCK_DESTROY(nt)		lockuninit(&(nt)->nt_nodelock)
535 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(nt)	lockuninit(&(nt)->nt_scanlock)
536 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(st)	lockuninit(&(st)->st_lock)
537 #define IEEE80211_TX_LOCK_DESTROY(ic)		lockuninit(&(ic)->ic_txlock)
538 #define IEEE80211_AGEQ_LOCK_DESTROY(aq)		lockuninit(&(aq)->aq_lock)
539 #define IEEE80211_PSQ_DESTROY(psq)		lockuninit(&(psq)->psq_lock)
540 #define ACL_LOCK_DESTROY(as)			lockuninit(&(as)->as_lock)
541 #define MESH_RT_ENTRY_LOCK_DESTROY(rt)		lockuninit(&(rt)->rt_lock)
542 #define MESH_RT_LOCK_DESTROY(ms)		lockuninit(&(ms)->ms_rt_lock)
543 
544 #define IEEE80211_LOCK(ic)			lockmgr(&(ic)->ic_comlock, LK_EXCLUSIVE)
545 #define IEEE80211_NODE_LOCK(nt)			lockmgr(&(nt)->nt_nodelock, LK_EXCLUSIVE)
546 #define IEEE80211_NODE_ITERATE_LOCK(nt)		lockmgr(&(nt)->nt_scanlock, LK_EXCLUSIVE)
547 #define IEEE80211_SCAN_TABLE_LOCK(st)		lockmgr(&(st)->st_lock, LK_EXCLUSIVE)
548 #define IEEE80211_TX_LOCK(ic)			lockmgr(&(ic)->ic_txlock, LK_EXCLUSIVE)
549 #define IEEE80211_AGEQ_LOCK(aq)			lockmgr(&(aq)->aq_lock, LK_EXCLUSIVE)
550 #define IEEE80211_PSQ_LOCK(psq)			lockmgr(&(psq)->psq_lock, LK_EXCLUSIVE)
551 #define ACL_LOCK(as)				lockmgr(&(as)->as_lock, LK_EXCLUSIVE)
552 #define MESH_RT_ENTRY_LOCK(rt)			lockmgr(&(rt)->rt_lock, LK_EXCLUSIVE)
553 #define MESH_RT_LOCK(ms)			lockmgr(&(ms)->ms_rt_lock, LK_EXCLUSIVE)
554 
555 #define IEEE80211_UNLOCK(ic)			lockmgr(&(ic)->ic_comlock, LK_RELEASE)
556 #define IEEE80211_NODE_UNLOCK(nt)		lockmgr(&(nt)->nt_nodelock, LK_RELEASE)
557 #define IEEE80211_NODE_ITERATE_UNLOCK(nt)	lockmgr(&(nt)->nt_scanlock, LK_RELEASE)
558 #define IEEE80211_SCAN_TABLE_UNLOCK(nt)		lockmgr(&(st)->st_lock, LK_RELEASE)
559 #define IEEE80211_TX_UNLOCK(ic)			lockmgr(&(ic)->ic_txlock, LK_RELEASE)
560 #define IEEE80211_AGEQ_UNLOCK(aq)		lockmgr(&(aq)->aq_lock, LK_RELEASE)
561 #define IEEE80211_PSQ_UNLOCK(psq)		lockmgr(&(psq)->psq_lock, LK_RELEASE)
562 #define ACL_UNLOCK(as)				lockmgr(&(as)->as_lock, LK_RELEASE)
563 #define MESH_RT_ENTRY_UNLOCK(rt)		lockmgr(&(rt)->rt_lock, LK_RELEASE)
564 #define MESH_RT_UNLOCK(ms)			lockmgr(&(ms)->ms_rt_lock, LK_RELEASE)
565 
566 #define IEEE80211_LOCK_ASSERT(ic)		\
567 				KKASSERT(lockstatus(&(ic)->ic_comlock, curthread) == LK_EXCLUSIVE)
568 #define IEEE80211_NODE_LOCK_ASSERT(nt)		\
569 				KKASSERT(lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
570 #define IEEE80211_NODE_ITERATE_LOCK_ASSERT(nt)		\
571 				KKASSERT(lockstatus(&(nt)->nt_scanlock, curthread) == LK_EXCLUSIVE)
572 #define IEEE80211_TX_LOCK_ASSERT(ic)		\
573 				KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) == LK_EXCLUSIVE)
574 #define IEEE80211_TX_UNLOCK_ASSERT(ic)		\
575 				KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) != LK_EXCLUSIVE)
576 #define IEEE80211_AGEQ_LOCK_ASSERT(aq)		\
577 				KKASSERT(lockstatus(&(aq)->aq_lock, curthread) == LK_EXCLUSIVE)
578 #define ACL_LOCK_ASSERT(as)		\
579 				KKASSERT(lockstatus(&(as)->as_lock, curthread) == LK_EXCLUSIVE)
580 #define MESH_RT_ENTRY_LOCK_ASSERT(rt)		\
581 				KKASSERT(lockstatus(&(rt)->rt_lock, curthread) == LK_EXCLUSIVE)
582 #define MESH_RT_LOCK_ASSERT(ms)		\
583 				KKASSERT(lockstatus(&(ms)->ms_rt_lock, curthread) == LK_EXCLUSIVE)
584 
585 #define IEEE80211_NODE_IS_LOCKED(nt)		\
586 				(lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
587 
588 #define arc4random	karc4random
589 
590 #define IEEE80211_AGEQ_INIT(aq, name)
591 #define IEEE80211_AGEQ_DESTROY(aq)
592 #define CURVNET_SET(x)
593 #define CURVNET_RESTORE()
594 #define ifa_free(ifa)
595 
596 #define ALIGNED_POINTER(p, t)	(((uintptr_t)(p) & (sizeof(t) - 1)) == 0)
597 
598 #define osdep_va_list		__va_list
599 #define osdep_va_start		__va_start
600 #define osdep_va_end		__va_end
601 
602 /*
603  * DragonFly does not implement _SAFE macros because they are generally not
604  * actually safe in a MP environment, and so it is bad programming practice
605  * to use them.
606  */
607 #define TAILQ_FOREACH_SAFE(scan, list, next, save)	\
608 	for (scan = TAILQ_FIRST(list); (save = scan ? TAILQ_NEXT(scan, next) : NULL), scan; scan = save) 	\
609 
610 #define callout_init_mtx(callo, lk, flags)		\
611 				callout_init_lk(callo, lk)
612 #define callout_schedule_dfly(callo, timo, func, args)	\
613 				callout_reset(callo, timo, func, args)
614 
615 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */
616