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 /* XXX TODO: cap these at 1, as hz may not be 1000 */
130 #define	msecs_to_ticks(ms)	(((ms)*hz)/1000)
131 #define	ticks_to_msecs(t)	(1000*(t) / hz)
132 #define	ticks_to_secs(t)	((t) / hz)
133 
134 #define ieee80211_time_after(a,b) 	((long)(b) - (long)(a) < 0)
135 #define ieee80211_time_before(a,b)	ieee80211_time_after(b,a)
136 #define ieee80211_time_after_eq(a,b)	((long)(a) - (long)(b) >= 0)
137 #define ieee80211_time_before_eq(a,b)	ieee80211_time_after_eq(b,a)
138 
139 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
140 
141 /* tx path usage */
142 #define	M_ENCAP		M_PROTO1		/* 802.11 encap done */
143 #define	M_EAPOL		M_PROTO3		/* PAE/EAPOL frame */
144 #define	M_PWR_SAV	M_PROTO4		/* bypass PS handling */
145 #define	M_MORE_DATA	M_PROTO5		/* more data frames to follow */
146 #define	M_FF		M_PROTO6		/* fast frame / A-MSDU */
147 #define	M_TXCB		M_PROTO7		/* do tx complete callback */
148 #define	M_AMPDU_MPDU	M_PROTO8		/* ok for A-MPDU aggregation */
149 #define	M_80211_TX \
150 	(M_FRAG|M_FIRSTFRAG|M_LASTFRAG|M_ENCAP|M_EAPOL|M_PWR_SAV|\
151 	 M_MORE_DATA|M_FF|M_TXCB|M_AMPDU_MPDU)
152 
153 /* rx path usage */
154 #define	M_AMPDU		M_PROTO1		/* A-MPDU subframe */
155 #define	M_WEP		M_PROTO2		/* WEP done by hardware */
156 #if 0
157 #define	M_AMPDU_MPDU	M_PROTO8		/* A-MPDU re-order done */
158 #endif
159 #define	M_80211_RX	(M_AMPDU|M_WEP|M_AMPDU_MPDU)
160 
161 #define	IEEE80211_MBUF_TX_FLAG_BITS \
162 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_ENCAP\6M_WEP\7M_EAPOL" \
163 	"\10M_PWR_SAV\11M_MORE_DATA\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
164 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
165 	"\23M_NOFREE\24M_FF\25M_TXCB\26M_AMPDU_MPDU\27M_FLOWID"
166 
167 #define	IEEE80211_MBUF_RX_FLAG_BITS \
168 	"\20\1M_EXT\2M_PKTHDR\3M_EOR\4M_RDONLY\5M_AMPDU\6M_WEP\7M_PROTO3" \
169 	"\10M_PROTO4\11M_PROTO5\12M_BCAST\13M_MCAST\14M_FRAG\15M_FIRSTFRAG" \
170 	"\16M_LASTFRAG\17M_SKIP_FIREWALL\20M_FREELIST\21M_VLANTAG\22M_PROMISC" \
171 	"\23M_NOFREE\24M_PROTO6\25M_PROTO7\26M_AMPDU_MPDU\27M_FLOWID"
172 
173 /*
174  * Store WME access control bits in the vlan tag.
175  * This is safe since it's done after the packet is classified
176  * (where we use any previous tag) and because it's passed
177  * directly in to the driver and there's no chance someone
178  * else will clobber them on us.
179  */
180 #define	M_WME_SETAC(m, ac) \
181 	((m)->m_pkthdr.ether_vlantag = (ac))
182 #define	M_WME_GETAC(m)	((m)->m_pkthdr.ether_vlantag)
183 
184 /*
185  * Mbufs on the power save queue are tagged with an age and
186  * timed out.  We reuse the hardware checksum field in the
187  * mbuf packet header to store this data.
188  */
189 #define	M_AGE_SET(m,v)		(m->m_pkthdr.csum_data = v)
190 #define	M_AGE_GET(m)		(m->m_pkthdr.csum_data)
191 #define	M_AGE_SUB(m,adj)	(m->m_pkthdr.csum_data -= adj)
192 
193 /*
194  * Store the sequence number.
195  */
196 #define	M_SEQNO_SET(m, seqno) \
197 	((m)->m_pkthdr.wlan_seqno = (seqno))
198 #define	M_SEQNO_GET(m)	((m)->m_pkthdr.wlan_seqno)
199 
200 #define	MTAG_ABI_NET80211	1132948340	/* net80211 ABI */
201 
202 struct ieee80211_cb {
203 	void	(*func)(struct ieee80211_node *, void *, int status);
204 	void	*arg;
205 };
206 #define	NET80211_TAG_CALLBACK	0	/* xmit complete callback */
207 int	ieee80211_add_callback(struct mbuf *m,
208 		void (*func)(struct ieee80211_node *, void *, int), void *arg);
209 void	ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
210 
211 #define	NET80211_TAG_XMIT_PARAMS	1
212 /* See below; this is after the bpf_params definition */
213 
214 void	get_random_bytes(void *, size_t);
215 
216 #define	NET80211_TAG_RECV_PARAMS	2
217 
218 struct ieee80211com;
219 
220 void	ieee80211_sysctl_attach(struct ieee80211com *);
221 void	ieee80211_sysctl_detach(struct ieee80211com *);
222 void	ieee80211_sysctl_vattach(struct ieee80211vap *);
223 void	ieee80211_sysctl_vdetach(struct ieee80211vap *);
224 
225 SYSCTL_DECL(_net_wlan);
226 int	ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
227 
228 void	ieee80211_load_module(const char *);
229 
230 /*
231  * A "policy module" is an adjunct module to net80211 that provides
232  * functionality that typically includes policy decisions.  This
233  * modularity enables extensibility and vendor-supplied functionality.
234  */
235 #define	_IEEE80211_POLICY_MODULE(policy, name, version)			\
236 typedef void (*policy##_setup)(int);					\
237 SET_DECLARE(policy##_set, policy##_setup);				\
238 static int								\
239 wlan_##name##_modevent(module_t mod, int type, void *unused)		\
240 {									\
241 	policy##_setup * const *iter, f;				\
242 	int error;							\
243 									\
244 	switch (type) {							\
245 	case MOD_LOAD:							\
246 		SET_FOREACH(iter, policy##_set) {			\
247 			f = (void*) *iter;				\
248 			f(type);					\
249 		}							\
250 		error = 0;						\
251 		break;							\
252 	case MOD_UNLOAD:						\
253 		error = 0;						\
254 		if (nrefs) {						\
255 			kprintf("wlan_" #name ": still in use (%u "	\
256 				"dynamic refs)\n",			\
257 				nrefs);					\
258 			error = EBUSY;					\
259 		} else if (type == MOD_UNLOAD) {			\
260 			SET_FOREACH(iter, policy##_set) {		\
261 				f = (void*) *iter;			\
262 				f(type);				\
263 			}						\
264 		}							\
265 		break;							\
266 	default:							\
267 		error = EINVAL;						\
268 		break;							\
269 	}								\
270 									\
271 	return error;							\
272 }									\
273 static moduledata_t name##_mod = {					\
274 	"wlan_" #name,							\
275 	wlan_##name##_modevent,						\
276 	0								\
277 };									\
278 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
279 MODULE_VERSION(wlan_##name, version);					\
280 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
281 
282 /*
283  * Crypto modules implement cipher support.
284  */
285 #define	IEEE80211_CRYPTO_MODULE(name, version)				\
286 _IEEE80211_POLICY_MODULE(crypto, name, version);			\
287 static void								\
288 name##_modevent(int type)						\
289 {									\
290 	/* wlan already serialized! */					\
291 	if (type == MOD_LOAD)						\
292 		ieee80211_crypto_register(&name);			\
293 	else								\
294 		ieee80211_crypto_unregister(&name);			\
295 }									\
296 TEXT_SET(crypto##_set, name##_modevent)
297 
298 /*
299  * Scanner modules provide scanning policy.
300  */
301 #define	IEEE80211_SCANNER_MODULE(name, version)				\
302 	_IEEE80211_POLICY_MODULE(scanner, name, version)
303 
304 #define	IEEE80211_SCANNER_ALG(name, alg, v)				\
305 static void								\
306 name##_modevent(int type)						\
307 {									\
308 	/* wlan already serialized! */					\
309 	if (type == MOD_LOAD)						\
310 		ieee80211_scanner_register(alg, &v);			\
311 	else								\
312 		ieee80211_scanner_unregister(alg, &v);			\
313 }									\
314 TEXT_SET(scanner_set, name##_modevent);					\
315 
316 /*
317  * ACL modules implement acl policy.
318  */
319 #define	IEEE80211_ACL_MODULE(name, alg, version)			\
320 _IEEE80211_POLICY_MODULE(acl, name, version);				\
321 static void								\
322 alg##_modevent(int type)						\
323 {									\
324 	/* wlan already serialized! */					\
325 	if (type == MOD_LOAD)						\
326 		ieee80211_aclator_register(&alg);			\
327 	else								\
328 		ieee80211_aclator_unregister(&alg);			\
329 }									\
330 TEXT_SET(acl_set, alg##_modevent);					\
331 
332 /*
333  * Authenticator modules handle 802.1x/WPA authentication.
334  */
335 #define	IEEE80211_AUTH_MODULE(name, version)				\
336 	_IEEE80211_POLICY_MODULE(auth, name, version)
337 
338 #define	IEEE80211_AUTH_ALG(name, alg, v)				\
339 static void								\
340 name##_modevent(int type)						\
341 {									\
342 	/* wlan already serialized! */					\
343 	if (type == MOD_LOAD)						\
344 		ieee80211_authenticator_register(alg, &v);		\
345 	else								\
346 		ieee80211_authenticator_unregister(alg);		\
347 }									\
348 TEXT_SET(auth_set, name##_modevent)
349 
350 /*
351  * Rate control modules provide tx rate control support.
352  */
353 #define	IEEE80211_RATECTL_MODULE(alg, version)				\
354 	_IEEE80211_POLICY_MODULE(ratectl, alg, version);		\
355 
356 #define	IEEE80211_RATECTL_ALG(name, alg, v)				\
357 static void								\
358 alg##_modevent(int type)						\
359 {									\
360 	/* wlan already serialized! */					\
361 	if (type == MOD_LOAD)						\
362 		ieee80211_ratectl_register(alg, &v);			\
363 	else								\
364 		ieee80211_ratectl_unregister(alg);			\
365 }									\
366 TEXT_SET(ratectl##_set, alg##_modevent)
367 
368 struct ieee80211req;
369 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
370     struct ieee80211req *);
371 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
372 #define	IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
373 
374 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
375     struct ieee80211req *);
376 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
377 #define	IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
378 #endif /* _KERNEL */
379 
380 /* XXX this stuff belongs elsewhere */
381 /*
382  * Message formats for messages from the net80211 layer to user
383  * applications via the routing socket.  These messages are appended
384  * to an if_announcemsghdr structure.
385  */
386 struct ieee80211_join_event {
387 	uint8_t		iev_addr[6];
388 };
389 
390 struct ieee80211_leave_event {
391 	uint8_t		iev_addr[6];
392 };
393 
394 struct ieee80211_replay_event {
395 	uint8_t		iev_src[6];	/* src MAC */
396 	uint8_t		iev_dst[6];	/* dst MAC */
397 	uint8_t		iev_cipher;	/* cipher type */
398 	uint8_t		iev_keyix;	/* key id/index */
399 	uint64_t	iev_keyrsc;	/* RSC from key */
400 	uint64_t	iev_rsc;	/* RSC from frame */
401 };
402 
403 struct ieee80211_michael_event {
404 	uint8_t		iev_src[6];	/* src MAC */
405 	uint8_t		iev_dst[6];	/* dst MAC */
406 	uint8_t		iev_cipher;	/* cipher type */
407 	uint8_t		iev_keyix;	/* key id/index */
408 };
409 
410 struct ieee80211_wds_event {
411 	uint8_t		iev_addr[6];
412 };
413 
414 struct ieee80211_csa_event {
415 	uint32_t	iev_flags;	/* channel flags */
416 	uint16_t	iev_freq;	/* setting in Mhz */
417 	uint8_t		iev_ieee;	/* IEEE channel number */
418 	uint8_t		iev_mode;	/* CSA mode */
419 	uint8_t		iev_count;	/* CSA count */
420 };
421 
422 struct ieee80211_cac_event {
423 	uint32_t	iev_flags;	/* channel flags */
424 	uint16_t	iev_freq;	/* setting in Mhz */
425 	uint8_t		iev_ieee;	/* IEEE channel number */
426 	/* XXX timestamp? */
427 	uint8_t		iev_type;	/* IEEE80211_NOTIFY_CAC_* */
428 };
429 
430 struct ieee80211_radar_event {
431 	uint32_t	iev_flags;	/* channel flags */
432 	uint16_t	iev_freq;	/* setting in Mhz */
433 	uint8_t		iev_ieee;	/* IEEE channel number */
434 	/* XXX timestamp? */
435 };
436 
437 struct ieee80211_auth_event {
438 	uint8_t		iev_addr[6];
439 };
440 
441 struct ieee80211_deauth_event {
442 	uint8_t		iev_addr[6];
443 };
444 
445 struct ieee80211_country_event {
446 	uint8_t		iev_addr[6];
447 	uint8_t		iev_cc[2];	/* ISO country code */
448 };
449 
450 struct ieee80211_radio_event {
451 	uint8_t		iev_state;	/* 1 on, 0 off */
452 };
453 
454 #define	RTM_IEEE80211_ASSOC	100	/* station associate (bss mode) */
455 #define	RTM_IEEE80211_REASSOC	101	/* station re-associate (bss mode) */
456 #define	RTM_IEEE80211_DISASSOC	102	/* station disassociate (bss mode) */
457 #define	RTM_IEEE80211_JOIN	103	/* station join (ap mode) */
458 #define	RTM_IEEE80211_LEAVE	104	/* station leave (ap mode) */
459 #define	RTM_IEEE80211_SCAN	105	/* scan complete, results available */
460 #define	RTM_IEEE80211_REPLAY	106	/* sequence counter replay detected */
461 #define	RTM_IEEE80211_MICHAEL	107	/* Michael MIC failure detected */
462 #define	RTM_IEEE80211_REJOIN	108	/* station re-associate (ap mode) */
463 #define	RTM_IEEE80211_WDS	109	/* WDS discovery (ap mode) */
464 #define	RTM_IEEE80211_CSA	110	/* Channel Switch Announcement event */
465 #define	RTM_IEEE80211_RADAR	111	/* radar event */
466 #define	RTM_IEEE80211_CAC	112	/* Channel Availability Check event */
467 #define	RTM_IEEE80211_DEAUTH	113	/* station deauthenticate */
468 #define	RTM_IEEE80211_AUTH	114	/* station authenticate (ap mode) */
469 #define	RTM_IEEE80211_COUNTRY	115	/* discovered country code (sta mode) */
470 #define	RTM_IEEE80211_RADIO	116	/* RF kill switch state change */
471 
472 /*
473  * Structure prepended to raw packets sent through the bpf
474  * interface when set to DLT_IEEE802_11_RADIO.  This allows
475  * user applications to specify pretty much everything in
476  * an Atheros tx descriptor.  XXX need to generalize.
477  *
478  * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
479  * XXX sa_data area.
480  */
481 struct ieee80211_bpf_params {
482 	uint8_t		ibp_vers;	/* version */
483 #define	IEEE80211_BPF_VERSION	0
484 	uint8_t		ibp_len;	/* header length in bytes */
485 	uint8_t		ibp_flags;
486 #define	IEEE80211_BPF_SHORTPRE	0x01	/* tx with short preamble */
487 #define	IEEE80211_BPF_NOACK	0x02	/* tx with no ack */
488 #define	IEEE80211_BPF_CRYPTO	0x04	/* tx with h/w encryption */
489 #define	IEEE80211_BPF_FCS	0x10	/* frame incldues FCS */
490 #define	IEEE80211_BPF_DATAPAD	0x20	/* frame includes data padding */
491 #define	IEEE80211_BPF_RTS	0x40	/* tx with RTS/CTS */
492 #define	IEEE80211_BPF_CTS	0x80	/* tx with CTS only */
493 	uint8_t		ibp_pri;	/* WME/WMM AC+tx antenna */
494 	uint8_t		ibp_try0;	/* series 1 try count */
495 	uint8_t		ibp_rate0;	/* series 1 IEEE tx rate */
496 	uint8_t		ibp_power;	/* tx power (device units) */
497 	uint8_t		ibp_ctsrate;	/* IEEE tx rate for CTS */
498 	uint8_t		ibp_try1;	/* series 2 try count */
499 	uint8_t		ibp_rate1;	/* series 2 IEEE tx rate */
500 	uint8_t		ibp_try2;	/* series 3 try count */
501 	uint8_t		ibp_rate2;	/* series 3 IEEE tx rate */
502 	uint8_t		ibp_try3;	/* series 4 try count */
503 	uint8_t		ibp_rate3;	/* series 4 IEEE tx rate */
504 };
505 
506 #ifdef _KERNEL
507 struct ieee80211_tx_params {
508 	struct ieee80211_bpf_params params;
509 };
510 int	ieee80211_add_xmit_params(struct mbuf *m,
511 	    const struct ieee80211_bpf_params *);
512 int	ieee80211_get_xmit_params(struct mbuf *m,
513 	    struct ieee80211_bpf_params *);
514 
515 #define	IEEE80211_MAX_CHAINS		3
516 #define	IEEE80211_MAX_EVM_PILOTS	6
517 
518 #define	IEEE80211_R_NF		0x0000001	/* global NF value valid */
519 #define	IEEE80211_R_RSSI	0x0000002	/* global RSSI value valid */
520 #define	IEEE80211_R_C_CHAIN	0x0000004	/* RX chain count valid */
521 #define	IEEE80211_R_C_NF	0x0000008	/* per-chain NF value valid */
522 #define	IEEE80211_R_C_RSSI	0x0000010	/* per-chain RSSI value valid */
523 #define	IEEE80211_R_C_EVM	0x0000020	/* per-chain EVM valid */
524 #define	IEEE80211_R_C_HT40	0x0000040	/* RX'ed packet is 40mhz, pilots 4,5 valid */
525 #define	IEEE80211_R_FREQ	0x0000080	/* Freq value populated, MHz */
526 #define	IEEE80211_R_IEEE	0x0000100	/* IEEE value populated */
527 #define	IEEE80211_R_BAND	0x0000200	/* Frequency band populated */
528 
529 struct ieee80211_rx_stats {
530 	uint32_t r_flags;		/* IEEE80211_R_* flags */
531 	uint8_t c_chain;		/* number of RX chains involved */
532 	int16_t	c_nf_ctl[IEEE80211_MAX_CHAINS];	/* per-chain NF */
533 	int16_t	c_nf_ext[IEEE80211_MAX_CHAINS];	/* per-chain NF */
534 	int16_t	c_rssi_ctl[IEEE80211_MAX_CHAINS];	/* per-chain RSSI */
535 	int16_t	c_rssi_ext[IEEE80211_MAX_CHAINS];	/* per-chain RSSI */
536 	uint8_t nf;			/* global NF */
537 	uint8_t rssi;			/* global RSSI */
538 	uint8_t evm[IEEE80211_MAX_CHAINS][IEEE80211_MAX_EVM_PILOTS];
539 					/* per-chain, per-pilot EVM values */
540 	uint16_t c_freq;
541 	uint8_t c_ieee;
542 };
543 
544 struct ieee80211_rx_params {
545 	struct ieee80211_rx_stats params;
546 };
547 int	ieee80211_add_rx_params(struct mbuf *m,
548 	    const struct ieee80211_rx_stats *rxs);
549 int	ieee80211_get_rx_params(struct mbuf *m,
550 	    struct ieee80211_rx_stats *rxs);
551 #endif /* _KERNEL */
552 
553 /*
554  * FreeBSD overrides
555  */
556 const char *ether_sprintf(const u_char *buf);
557 
558 #define V_ifnet	ifnet
559 #define IFF_DRV_RUNNING	IFF_RUNNING
560 #define if_drv_flags	if_flags
561 
562 typedef struct lock	ieee80211_psq_lock_t;
563 typedef struct lock	ieee80211_ageq_lock_t;
564 typedef struct lock	ieee80211_node_lock_t;
565 typedef struct lock	ieee80211_scan_lock_t;
566 typedef struct lock	ieee80211_com_lock_t;
567 typedef struct lock	ieee80211_tx_lock_t;
568 typedef struct lock	ieee80211_scan_table_lock_t;
569 typedef struct lock	ieee80211_scan_iter_lock_t;
570 typedef struct lock	acl_lock_t;
571 typedef struct lock	ieee80211_rte_lock_t;
572 typedef struct lock	ieee80211_rt_lock_t;
573 
574 #define IEEE80211_LOCK_OBJ(ic)			(&(ic)->ic_comlock)
575 
576 #define IEEE80211_LOCK_INIT(ic, name)		lockinit(&(ic)->ic_comlock, name, 0, LK_CANRECURSE)
577 #define IEEE80211_NODE_LOCK_INIT(ic, name)	lockinit(&(nt)->nt_nodelock, name, 0, LK_CANRECURSE)
578 #define IEEE80211_NODE_ITERATE_LOCK_INIT(ic, name)	lockinit(&(nt)->nt_scanlock, name, 0, LK_CANRECURSE)
579 #define IEEE80211_SCAN_TABLE_LOCK_INIT(st, name)	lockinit(&(st)->st_lock, name, 0, LK_CANRECURSE)
580 #define IEEE80211_SCAN_ITER_LOCK_INIT(st, name)	lockinit(&(st)->st_scanlock, name, 0, LK_CANRECURSE)
581 #define IEEE80211_TX_LOCK_INIT(ic, name)	lockinit(&(ic)->ic_txlock, name, 0, LK_CANRECURSE)
582 #define IEEE80211_AGEQ_LOCK_INIT(aq, name)	lockinit(&(aq)->aq_lock, name, 0, LK_CANRECURSE)
583 #define IEEE80211_PSQ_INIT(psq, name)		lockinit(&(psq)->psq_lock, name, 0, LK_CANRECURSE)
584 #define ACL_LOCK_INIT(as, name)		lockinit(&(as)->as_lock, name, 0, LK_CANRECURSE)
585 #define MESH_RT_ENTRY_LOCK_INIT(st, name)	lockinit(&(st)->rt_lock, name, 0, LK_CANRECURSE)
586 #define MESH_RT_LOCK_INIT(ms, name)	lockinit(&(ms)->ms_rt_lock, name, 0, LK_CANRECURSE)
587 
588 #define IEEE80211_LOCK_DESTROY(ic)		lockuninit(&(ic)->ic_comlock)
589 #define IEEE80211_NODE_LOCK_DESTROY(nt)		lockuninit(&(nt)->nt_nodelock)
590 #define IEEE80211_NODE_ITERATE_LOCK_DESTROY(nt)	lockuninit(&(nt)->nt_scanlock)
591 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(st)	lockuninit(&(st)->st_lock)
592 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(st)	lockuninit(&(st)->st_scanlock)
593 #define IEEE80211_TX_LOCK_DESTROY(ic)		lockuninit(&(ic)->ic_txlock)
594 #define IEEE80211_AGEQ_LOCK_DESTROY(aq)		lockuninit(&(aq)->aq_lock)
595 #define IEEE80211_PSQ_DESTROY(psq)		lockuninit(&(psq)->psq_lock)
596 #define ACL_LOCK_DESTROY(as)			lockuninit(&(as)->as_lock)
597 #define MESH_RT_ENTRY_LOCK_DESTROY(rt)		lockuninit(&(rt)->rt_lock)
598 #define MESH_RT_LOCK_DESTROY(ms)		lockuninit(&(ms)->ms_rt_lock)
599 
600 #define IEEE80211_LOCK(ic)			lockmgr(&(ic)->ic_comlock, LK_EXCLUSIVE)
601 #define IEEE80211_NODE_LOCK(nt)			lockmgr(&(nt)->nt_nodelock, LK_EXCLUSIVE)
602 #define IEEE80211_NODE_ITERATE_LOCK(nt)		lockmgr(&(nt)->nt_scanlock, LK_EXCLUSIVE)
603 #define IEEE80211_SCAN_TABLE_LOCK(st)		lockmgr(&(st)->st_lock, LK_EXCLUSIVE)
604 #define IEEE80211_SCAN_ITER_LOCK(st)		lockmgr(&(st)->st_scanlock, LK_EXCLUSIVE)
605 #define IEEE80211_TX_LOCK(ic)			lockmgr(&(ic)->ic_txlock, LK_EXCLUSIVE)
606 #define IEEE80211_AGEQ_LOCK(aq)			lockmgr(&(aq)->aq_lock, LK_EXCLUSIVE)
607 #define IEEE80211_PSQ_LOCK(psq)			lockmgr(&(psq)->psq_lock, LK_EXCLUSIVE)
608 #define ACL_LOCK(as)				lockmgr(&(as)->as_lock, LK_EXCLUSIVE)
609 #define MESH_RT_ENTRY_LOCK(rt)			lockmgr(&(rt)->rt_lock, LK_EXCLUSIVE)
610 #define MESH_RT_LOCK(ms)			lockmgr(&(ms)->ms_rt_lock, LK_EXCLUSIVE)
611 
612 #define IEEE80211_UNLOCK(ic)			lockmgr(&(ic)->ic_comlock, LK_RELEASE)
613 #define IEEE80211_NODE_UNLOCK(nt)		lockmgr(&(nt)->nt_nodelock, LK_RELEASE)
614 #define IEEE80211_NODE_ITERATE_UNLOCK(nt)	lockmgr(&(nt)->nt_scanlock, LK_RELEASE)
615 #define IEEE80211_SCAN_TABLE_UNLOCK(nt)		lockmgr(&(st)->st_lock, LK_RELEASE)
616 #define IEEE80211_SCAN_ITER_UNLOCK(nt)		lockmgr(&(st)->st_scanlock, LK_RELEASE)
617 #define IEEE80211_TX_UNLOCK(ic)			lockmgr(&(ic)->ic_txlock, LK_RELEASE)
618 #define IEEE80211_AGEQ_UNLOCK(aq)		lockmgr(&(aq)->aq_lock, LK_RELEASE)
619 #define IEEE80211_PSQ_UNLOCK(psq)		lockmgr(&(psq)->psq_lock, LK_RELEASE)
620 #define ACL_UNLOCK(as)				lockmgr(&(as)->as_lock, LK_RELEASE)
621 #define MESH_RT_ENTRY_UNLOCK(rt)		lockmgr(&(rt)->rt_lock, LK_RELEASE)
622 #define MESH_RT_UNLOCK(ms)			lockmgr(&(ms)->ms_rt_lock, LK_RELEASE)
623 
624 #define IEEE80211_LOCK_ASSERT(ic)		\
625 				KKASSERT(lockstatus(&(ic)->ic_comlock, curthread) == LK_EXCLUSIVE)
626 #define IEEE80211_UNLOCK_ASSERT(ic)		\
627 				KKASSERT(lockstatus(&(ic)->ic_comlock, curthread) != LK_EXCLUSIVE)
628 #define IEEE80211_NODE_LOCK_ASSERT(nt)		\
629 				KKASSERT(lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
630 #define IEEE80211_NODE_ITERATE_LOCK_ASSERT(nt)		\
631 				KKASSERT(lockstatus(&(nt)->nt_scanlock, curthread) == LK_EXCLUSIVE)
632 #define IEEE80211_TX_LOCK_ASSERT(ic)		\
633 				KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) == LK_EXCLUSIVE)
634 #define IEEE80211_TX_UNLOCK_ASSERT(ic)		\
635 				KKASSERT(lockstatus(&(ic)->ic_txlock, curthread) != LK_EXCLUSIVE)
636 #define IEEE80211_AGEQ_LOCK_ASSERT(aq)		\
637 				KKASSERT(lockstatus(&(aq)->aq_lock, curthread) == LK_EXCLUSIVE)
638 #define ACL_LOCK_ASSERT(as)		\
639 				KKASSERT(lockstatus(&(as)->as_lock, curthread) == LK_EXCLUSIVE)
640 #define MESH_RT_ENTRY_LOCK_ASSERT(rt)		\
641 				KKASSERT(lockstatus(&(rt)->rt_lock, curthread) == LK_EXCLUSIVE)
642 #define MESH_RT_LOCK_ASSERT(ms)		\
643 				KKASSERT(lockstatus(&(ms)->ms_rt_lock, curthread) == LK_EXCLUSIVE)
644 
645 #define IEEE80211_NODE_IS_LOCKED(nt)		\
646 				(lockstatus(&(nt)->nt_nodelock, curthread) == LK_EXCLUSIVE)
647 
648 #define arc4random	karc4random
649 
650 #define IEEE80211_AGEQ_INIT(aq, name)
651 #define IEEE80211_AGEQ_DESTROY(aq)
652 #define CURVNET_SET(x)
653 #define CURVNET_RESTORE()
654 #define ifa_free(ifa)
655 
656 #define ALIGNED_POINTER(p, t)	(((uintptr_t)(p) & (sizeof(t) - 1)) == 0)
657 
658 #define osdep_va_list		__va_list
659 #define osdep_va_start		__va_start
660 #define osdep_va_end		__va_end
661 
662 /*
663  * DragonFly does not implement _SAFE macros because they are generally not
664  * actually safe in a MP environment, and so it is bad programming practice
665  * to use them.
666  */
667 #define TAILQ_FOREACH_SAFE(scan, list, next, save)	\
668 	for (scan = TAILQ_FIRST(list); (save = scan ? TAILQ_NEXT(scan, next) : NULL), scan; scan = save) 	\
669 
670 #define callout_init_mtx(callo, lk, flags)		\
671 				callout_init_lk(callo, lk)
672 #define callout_schedule_dfly(callo, timo, func, args)	\
673 				callout_reset(callo, timo, func, args)
674 
675 /*
676  * if_inc macros
677  */
678 #define ifd_IFCOUNTER_IERRORS	ifd_ierrors
679 #define ifd_IFCOUNTER_IPACKETS	ifd_ipackets
680 #define ifd_IFCOUNTER_IBYTES	ifd_ibytes
681 #define ifd_IFCOUNTER_OERRORS	ifd_oerrors
682 #define ifd_IFCOUNTER_OPACKETS	ifd_opackets
683 #define ifd_IFCOUNTER_OMCASTS	ifd_omcasts
684 #define ifd_IFCOUNTER_OBYTES	ifd_obytes
685 
686 #define if_inc_counter		IFNET_STAT_INC
687 
688 #define IEEE80211_FREE(ptr, type)	kfree((ptr), (type))
689 
690 #endif /* _NET80211_IEEE80211_DRAGONFLY_H_ */
691