1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29 #ifndef _NET80211_IEEE80211_FREEBSD_H_
30 #define _NET80211_IEEE80211_FREEBSD_H_
31
32 #ifdef _KERNEL
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/counter.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 #include <sys/rwlock.h>
39 #include <sys/sysctl.h>
40 #include <sys/taskqueue.h>
41 #include <sys/time.h>
42
43 /*
44 * priv(9) NET80211 checks.
45 */
46 struct ieee80211vap;
47 int ieee80211_priv_check_vap_getkey(u_long, struct ieee80211vap *,
48 struct ifnet *);
49 int ieee80211_priv_check_vap_manage(u_long, struct ieee80211vap *,
50 struct ifnet *);
51 int ieee80211_priv_check_vap_setmac(u_long, struct ieee80211vap *,
52 struct ifnet *);
53 int ieee80211_priv_check_create_vap(u_long, struct ieee80211vap *,
54 struct ifnet *);
55
56 /*
57 * Common state locking definitions.
58 */
59 typedef struct {
60 char name[16]; /* e.g. "ath0_com_lock" */
61 struct mtx mtx;
62 } ieee80211_com_lock_t;
63 #define IEEE80211_LOCK_INIT(_ic, _name) do { \
64 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \
65 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \
66 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF | MTX_RECURSE); \
67 } while (0)
68 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx)
69 #define IEEE80211_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_LOCK_OBJ(_ic))
70 #define IEEE80211_LOCK(_ic) mtx_lock(IEEE80211_LOCK_OBJ(_ic))
71 #define IEEE80211_UNLOCK(_ic) mtx_unlock(IEEE80211_LOCK_OBJ(_ic))
72 #define IEEE80211_LOCK_ASSERT(_ic) \
73 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_OWNED)
74 #define IEEE80211_UNLOCK_ASSERT(_ic) \
75 mtx_assert(IEEE80211_LOCK_OBJ(_ic), MA_NOTOWNED)
76
77 /*
78 * Transmit lock.
79 *
80 * This is a (mostly) temporary lock designed to serialise all of the
81 * transmission operations throughout the stack.
82 */
83 typedef struct {
84 char name[16]; /* e.g. "ath0_tx_lock" */
85 struct mtx mtx;
86 } ieee80211_tx_lock_t;
87 #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \
88 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \
89 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \
90 mtx_init(&cl->mtx, cl->name, NULL, MTX_DEF); \
91 } while (0)
92 #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx)
93 #define IEEE80211_TX_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_TX_LOCK_OBJ(_ic))
94 #define IEEE80211_TX_LOCK(_ic) mtx_lock(IEEE80211_TX_LOCK_OBJ(_ic))
95 #define IEEE80211_TX_UNLOCK(_ic) mtx_unlock(IEEE80211_TX_LOCK_OBJ(_ic))
96 #define IEEE80211_TX_LOCK_ASSERT(_ic) \
97 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_OWNED)
98 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \
99 mtx_assert(IEEE80211_TX_LOCK_OBJ(_ic), MA_NOTOWNED)
100
101 /*
102 * Stageq / ni_tx_superg lock
103 */
104 typedef struct {
105 char name[16]; /* e.g. "ath0_ff_lock" */
106 struct mtx mtx;
107 } ieee80211_ff_lock_t;
108 #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \
109 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \
110 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \
111 mtx_init(&fl->mtx, fl->name, NULL, MTX_DEF); \
112 } while (0)
113 #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx)
114 #define IEEE80211_FF_LOCK_DESTROY(_ic) mtx_destroy(IEEE80211_FF_LOCK_OBJ(_ic))
115 #define IEEE80211_FF_LOCK(_ic) mtx_lock(IEEE80211_FF_LOCK_OBJ(_ic))
116 #define IEEE80211_FF_UNLOCK(_ic) mtx_unlock(IEEE80211_FF_LOCK_OBJ(_ic))
117 #define IEEE80211_FF_LOCK_ASSERT(_ic) \
118 mtx_assert(IEEE80211_FF_LOCK_OBJ(_ic), MA_OWNED)
119
120 /*
121 * Node locking definitions.
122 */
123 typedef struct {
124 char name[16]; /* e.g. "ath0_node_lock" */
125 struct mtx mtx;
126 } ieee80211_node_lock_t;
127 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \
128 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \
129 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \
130 mtx_init(&nl->mtx, nl->name, NULL, MTX_DEF | MTX_RECURSE); \
131 } while (0)
132 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx)
133 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \
134 mtx_destroy(IEEE80211_NODE_LOCK_OBJ(_nt))
135 #define IEEE80211_NODE_LOCK(_nt) \
136 mtx_lock(IEEE80211_NODE_LOCK_OBJ(_nt))
137 #define IEEE80211_NODE_IS_LOCKED(_nt) \
138 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt))
139 #define IEEE80211_NODE_UNLOCK(_nt) \
140 mtx_unlock(IEEE80211_NODE_LOCK_OBJ(_nt))
141 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \
142 mtx_assert(IEEE80211_NODE_LOCK_OBJ(_nt), MA_OWNED)
143
144 /*
145 * Power-save queue definitions.
146 */
147 typedef struct mtx ieee80211_psq_lock_t;
148 #define IEEE80211_PSQ_INIT(_psq, _name) \
149 mtx_init(&(_psq)->psq_lock, _name, "802.11 ps q", MTX_DEF)
150 #define IEEE80211_PSQ_DESTROY(_psq) mtx_destroy(&(_psq)->psq_lock)
151 #define IEEE80211_PSQ_LOCK(_psq) mtx_lock(&(_psq)->psq_lock)
152 #define IEEE80211_PSQ_UNLOCK(_psq) mtx_unlock(&(_psq)->psq_lock)
153
154 #ifndef IF_PREPEND_LIST
155 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \
156 (mtail)->m_nextpkt = (ifq)->ifq_head; \
157 if ((ifq)->ifq_tail == NULL) \
158 (ifq)->ifq_tail = (mtail); \
159 (ifq)->ifq_head = (mhead); \
160 (ifq)->ifq_len += (mcount); \
161 } while (0)
162 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \
163 IF_LOCK(ifq); \
164 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \
165 IF_UNLOCK(ifq); \
166 } while (0)
167 #endif /* IF_PREPEND_LIST */
168
169 /*
170 * Age queue definitions.
171 */
172 typedef struct mtx ieee80211_ageq_lock_t;
173 #define IEEE80211_AGEQ_INIT(_aq, _name) \
174 mtx_init(&(_aq)->aq_lock, _name, "802.11 age q", MTX_DEF)
175 #define IEEE80211_AGEQ_DESTROY(_aq) mtx_destroy(&(_aq)->aq_lock)
176 #define IEEE80211_AGEQ_LOCK(_aq) mtx_lock(&(_aq)->aq_lock)
177 #define IEEE80211_AGEQ_UNLOCK(_aq) mtx_unlock(&(_aq)->aq_lock)
178
179 /*
180 * 802.1x MAC ACL database locking definitions.
181 */
182 typedef struct mtx acl_lock_t;
183 #define ACL_LOCK_INIT(_as, _name) \
184 mtx_init(&(_as)->as_lock, _name, "802.11 ACL", MTX_DEF)
185 #define ACL_LOCK_DESTROY(_as) mtx_destroy(&(_as)->as_lock)
186 #define ACL_LOCK(_as) mtx_lock(&(_as)->as_lock)
187 #define ACL_UNLOCK(_as) mtx_unlock(&(_as)->as_lock)
188 #define ACL_LOCK_ASSERT(_as) \
189 mtx_assert((&(_as)->as_lock), MA_OWNED)
190
191 /*
192 * Scan table definitions.
193 */
194 typedef struct mtx ieee80211_scan_table_lock_t;
195 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \
196 mtx_init(&(_st)->st_lock, _name, "802.11 scan table", MTX_DEF)
197 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_lock)
198 #define IEEE80211_SCAN_TABLE_LOCK(_st) mtx_lock(&(_st)->st_lock)
199 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mtx_unlock(&(_st)->st_lock)
200
201 typedef struct mtx ieee80211_scan_iter_lock_t;
202 #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \
203 mtx_init(&(_st)->st_scanlock, _name, "802.11 scangen", MTX_DEF)
204 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mtx_destroy(&(_st)->st_scanlock)
205 #define IEEE80211_SCAN_ITER_LOCK(_st) mtx_lock(&(_st)->st_scanlock)
206 #define IEEE80211_SCAN_ITER_UNLOCK(_st) mtx_unlock(&(_st)->st_scanlock)
207
208 /*
209 * Mesh node/routing definitions.
210 */
211 typedef struct mtx ieee80211_rte_lock_t;
212 #define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \
213 mtx_init(&(rt)->rt_lock, _name, "802.11s route entry", MTX_DEF)
214 #define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \
215 mtx_destroy(&(_rt)->rt_lock)
216 #define MESH_RT_ENTRY_LOCK(rt) mtx_lock(&(rt)->rt_lock)
217 #define MESH_RT_ENTRY_LOCK_ASSERT(rt) mtx_assert(&(rt)->rt_lock, MA_OWNED)
218 #define MESH_RT_ENTRY_UNLOCK(rt) mtx_unlock(&(rt)->rt_lock)
219
220 typedef struct mtx ieee80211_rt_lock_t;
221 #define MESH_RT_LOCK(ms) mtx_lock(&(ms)->ms_rt_lock)
222 #define MESH_RT_LOCK_ASSERT(ms) mtx_assert(&(ms)->ms_rt_lock, MA_OWNED)
223 #define MESH_RT_UNLOCK(ms) mtx_unlock(&(ms)->ms_rt_lock)
224 #define MESH_RT_LOCK_INIT(ms, name) \
225 mtx_init(&(ms)->ms_rt_lock, name, "802.11s routing table", MTX_DEF)
226 #define MESH_RT_LOCK_DESTROY(ms) \
227 mtx_destroy(&(ms)->ms_rt_lock)
228
229 /*
230 * Node reference counting definitions.
231 *
232 * ieee80211_node_initref initialize the reference count to 1
233 * ieee80211_node_incref add a reference
234 * ieee80211_node_decref remove a reference
235 * ieee80211_node_dectestref remove a reference and return 1 if this
236 * is the last reference, otherwise 0
237 * ieee80211_node_refcnt reference count for printing (only)
238 */
239 #include <machine/atomic.h>
240
241 struct ieee80211vap;
242 int ieee80211_com_vincref(struct ieee80211vap *);
243 void ieee80211_com_vdecref(struct ieee80211vap *);
244 void ieee80211_com_vdetach(struct ieee80211vap *);
245
246 #define ieee80211_node_initref(_ni) \
247 do { ((_ni)->ni_refcnt = 1); } while (0)
248 #define ieee80211_node_incref(_ni) \
249 atomic_add_int(&(_ni)->ni_refcnt, 1)
250 #define ieee80211_node_decref(_ni) \
251 atomic_subtract_int(&(_ni)->ni_refcnt, 1)
252 struct ieee80211_node;
253 int ieee80211_node_dectestref(struct ieee80211_node *ni);
254 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt
255
256 struct ifqueue;
257 void ieee80211_drain_ifq(struct ifqueue *);
258 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
259
260 void ieee80211_vap_destroy(struct ieee80211vap *);
261 const char * ieee80211_get_vap_ifname(struct ieee80211vap *);
262
263 #define IFNET_IS_UP_RUNNING(_ifp) \
264 (((_ifp)->if_flags & IFF_UP) && \
265 ((_ifp)->if_drv_flags & IFF_DRV_RUNNING))
266
267 #define msecs_to_ticks(ms) MSEC_2_TICKS(ms)
268 #define ticks_to_msecs(t) TICKS_2_MSEC(t)
269 #define ticks_to_secs(t) ((t) / hz)
270
271 #define ieee80211_time_after(a,b) ((int)(b) - (int)(a) < 0)
272 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a)
273 #define ieee80211_time_after_eq(a,b) ((int)(a) - (int)(b) >= 0)
274 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a)
275
276 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
277
278 /* tx path usage */
279 #define M_ENCAP M_PROTO1 /* 802.11 encap done */
280 #define M_EAPOL M_PROTO3 /* PAE/EAPOL frame */
281 #define M_PWR_SAV M_PROTO4 /* bypass PS handling */
282 #define M_MORE_DATA M_PROTO5 /* more data frames to follow */
283 #define M_FF M_PROTO6 /* fast frame / A-MSDU */
284 #define M_TXCB M_PROTO7 /* do tx complete callback */
285 #define M_AMPDU_MPDU M_PROTO8 /* ok for A-MPDU aggregation */
286 #define M_FRAG M_PROTO9 /* frame fragmentation */
287 #define M_FIRSTFRAG M_PROTO10 /* first frame fragment */
288 #define M_LASTFRAG M_PROTO11 /* last frame fragment */
289
290 #define M_80211_TX \
291 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \
292 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG)
293
294 /* rx path usage */
295 #define M_AMPDU M_PROTO1 /* A-MPDU subframe */
296 #define M_WEP M_PROTO2 /* WEP done by hardware */
297 #if 0
298 #define M_AMPDU_MPDU M_PROTO8 /* A-MPDU re-order done */
299 #endif
300 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU)
301
302 #define IEEE80211_MBUF_TX_FLAG_BITS \
303 M_FLAG_BITS \
304 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \
305 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG"
306
307 #define IEEE80211_MBUF_RX_FLAG_BITS \
308 M_FLAG_BITS \
309 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU"
310
311 /*
312 * Store WME access control bits in the vlan tag.
313 * This is safe since it's done after the packet is classified
314 * (where we use any previous tag) and because it's passed
315 * directly in to the driver and there's no chance someone
316 * else will clobber them on us.
317 */
318 #define M_WME_SETAC(m, ac) \
319 ((m)->m_pkthdr.ether_vtag = (ac))
320 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag)
321
322 /*
323 * Mbufs on the power save queue are tagged with an age and
324 * timed out. We reuse the hardware checksum field in the
325 * mbuf packet header to store this data.
326 */
327 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v)
328 #define M_AGE_GET(m) (m->m_pkthdr.csum_data)
329 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj)
330
331 /*
332 * Store the sequence number.
333 */
334 #define M_SEQNO_SET(m, seqno) \
335 ((m)->m_pkthdr.tso_segsz = (seqno))
336 #define M_SEQNO_GET(m) ((m)->m_pkthdr.tso_segsz)
337
338 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */
339
340 struct ieee80211_cb {
341 void (*func)(struct ieee80211_node *, void *, int status);
342 void *arg;
343 };
344 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */
345 int ieee80211_add_callback(struct mbuf *m,
346 void (*func)(struct ieee80211_node *, void *, int), void *arg);
347 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
348
349 #define NET80211_TAG_XMIT_PARAMS 1
350 /* See below; this is after the bpf_params definition */
351
352 #define NET80211_TAG_RECV_PARAMS 2
353
354 #define NET80211_TAG_TOA_PARAMS 3
355
356 struct ieee80211com;
357 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *);
358 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *);
359
360 void get_random_bytes(void *, size_t);
361
362 void ieee80211_sysctl_attach(struct ieee80211com *);
363 void ieee80211_sysctl_detach(struct ieee80211com *);
364 void ieee80211_sysctl_vattach(struct ieee80211vap *);
365 void ieee80211_sysctl_vdetach(struct ieee80211vap *);
366
367 SYSCTL_DECL(_net_wlan);
368 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
369
370 void ieee80211_load_module(const char *);
371
372 /*
373 * A "policy module" is an adjunct module to net80211 that provides
374 * functionality that typically includes policy decisions. This
375 * modularity enables extensibility and vendor-supplied functionality.
376 */
377 #define _IEEE80211_POLICY_MODULE(policy, name, version) \
378 typedef void (*policy##_setup)(int); \
379 SET_DECLARE(policy##_set, policy##_setup); \
380 static int \
381 wlan_##name##_modevent(module_t mod, int type, void *unused) \
382 { \
383 policy##_setup * const *iter, f; \
384 switch (type) { \
385 case MOD_LOAD: \
386 SET_FOREACH(iter, policy##_set) { \
387 f = (void*) *iter; \
388 f(type); \
389 } \
390 return 0; \
391 case MOD_UNLOAD: \
392 case MOD_QUIESCE: \
393 if (nrefs) { \
394 printf("wlan_" #name ": still in use " \
395 "(%u dynamic refs)\n", nrefs); \
396 return EBUSY; \
397 } \
398 if (type == MOD_UNLOAD) { \
399 SET_FOREACH(iter, policy##_set) { \
400 f = (void*) *iter; \
401 f(type); \
402 } \
403 } \
404 return 0; \
405 } \
406 return EINVAL; \
407 } \
408 static moduledata_t name##_mod = { \
409 "wlan_" #name, \
410 wlan_##name##_modevent, \
411 0 \
412 }; \
413 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
414 MODULE_VERSION(wlan_##name, version); \
415 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
416
417 /*
418 * Crypto modules implement cipher support.
419 */
420 #define IEEE80211_CRYPTO_MODULE(name, version) \
421 _IEEE80211_POLICY_MODULE(crypto, name, version); \
422 static void \
423 name##_modevent(int type) \
424 { \
425 if (type == MOD_LOAD) \
426 ieee80211_crypto_register(&name); \
427 else \
428 ieee80211_crypto_unregister(&name); \
429 } \
430 TEXT_SET(crypto##_set, name##_modevent)
431
432 /*
433 * Scanner modules provide scanning policy.
434 */
435 #define IEEE80211_SCANNER_MODULE(name, version) \
436 _IEEE80211_POLICY_MODULE(scanner, name, version)
437
438 #define IEEE80211_SCANNER_ALG(name, alg, v) \
439 static void \
440 name##_modevent(int type) \
441 { \
442 if (type == MOD_LOAD) \
443 ieee80211_scanner_register(alg, &v); \
444 else \
445 ieee80211_scanner_unregister(alg, &v); \
446 } \
447 TEXT_SET(scanner_set, name##_modevent); \
448
449 /*
450 * ACL modules implement acl policy.
451 */
452 #define IEEE80211_ACL_MODULE(name, alg, version) \
453 _IEEE80211_POLICY_MODULE(acl, name, version); \
454 static void \
455 alg##_modevent(int type) \
456 { \
457 if (type == MOD_LOAD) \
458 ieee80211_aclator_register(&alg); \
459 else \
460 ieee80211_aclator_unregister(&alg); \
461 } \
462 TEXT_SET(acl_set, alg##_modevent); \
463
464 /*
465 * Authenticator modules handle 802.1x/WPA authentication.
466 */
467 #define IEEE80211_AUTH_MODULE(name, version) \
468 _IEEE80211_POLICY_MODULE(auth, name, version)
469
470 #define IEEE80211_AUTH_ALG(name, alg, v) \
471 static void \
472 name##_modevent(int type) \
473 { \
474 if (type == MOD_LOAD) \
475 ieee80211_authenticator_register(alg, &v); \
476 else \
477 ieee80211_authenticator_unregister(alg); \
478 } \
479 TEXT_SET(auth_set, name##_modevent)
480
481 /*
482 * Rate control modules provide tx rate control support.
483 */
484 #define IEEE80211_RATECTL_MODULE(alg, version) \
485 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \
486
487 #define IEEE80211_RATECTL_ALG(name, alg, v) \
488 static void \
489 alg##_modevent(int type) \
490 { \
491 if (type == MOD_LOAD) \
492 ieee80211_ratectl_register(alg, &v); \
493 else \
494 ieee80211_ratectl_unregister(alg); \
495 } \
496 TEXT_SET(ratectl##_set, alg##_modevent)
497
498 struct ieee80211req;
499 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *,
500 struct ieee80211req *);
501 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
502 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
503
504 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *,
505 struct ieee80211req *);
506 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
507 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
508 #endif /* _KERNEL */
509
510 /* XXX this stuff belongs elsewhere */
511 /*
512 * Message formats for messages from the net80211 layer to user
513 * applications via the routing socket. These messages are appended
514 * to an if_announcemsghdr structure.
515 */
516 struct ieee80211_join_event {
517 uint8_t iev_addr[6];
518 };
519
520 struct ieee80211_leave_event {
521 uint8_t iev_addr[6];
522 };
523
524 struct ieee80211_replay_event {
525 uint8_t iev_src[6]; /* src MAC */
526 uint8_t iev_dst[6]; /* dst MAC */
527 uint8_t iev_cipher; /* cipher type */
528 uint8_t iev_keyix; /* key id/index */
529 uint64_t iev_keyrsc; /* RSC from key */
530 uint64_t iev_rsc; /* RSC from frame */
531 };
532
533 struct ieee80211_michael_event {
534 uint8_t iev_src[6]; /* src MAC */
535 uint8_t iev_dst[6]; /* dst MAC */
536 uint8_t iev_cipher; /* cipher type */
537 uint8_t iev_keyix; /* key id/index */
538 };
539
540 struct ieee80211_wds_event {
541 uint8_t iev_addr[6];
542 };
543
544 struct ieee80211_csa_event {
545 uint32_t iev_flags; /* channel flags */
546 uint16_t iev_freq; /* setting in Mhz */
547 uint8_t iev_ieee; /* IEEE channel number */
548 uint8_t iev_mode; /* CSA mode */
549 uint8_t iev_count; /* CSA count */
550 };
551
552 struct ieee80211_cac_event {
553 uint32_t iev_flags; /* channel flags */
554 uint16_t iev_freq; /* setting in Mhz */
555 uint8_t iev_ieee; /* IEEE channel number */
556 /* XXX timestamp? */
557 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */
558 };
559
560 struct ieee80211_radar_event {
561 uint32_t iev_flags; /* channel flags */
562 uint16_t iev_freq; /* setting in Mhz */
563 uint8_t iev_ieee; /* IEEE channel number */
564 /* XXX timestamp? */
565 };
566
567 struct ieee80211_auth_event {
568 uint8_t iev_addr[6];
569 };
570
571 struct ieee80211_deauth_event {
572 uint8_t iev_addr[6];
573 };
574
575 struct ieee80211_country_event {
576 uint8_t iev_addr[6];
577 uint8_t iev_cc[2]; /* ISO country code */
578 };
579
580 struct ieee80211_radio_event {
581 uint8_t iev_state; /* 1 on, 0 off */
582 };
583
584 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */
585 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */
586 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */
587 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */
588 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */
589 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */
590 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */
591 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */
592 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */
593 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */
594 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */
595 #define RTM_IEEE80211_RADAR 111 /* radar event */
596 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */
597 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */
598 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */
599 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */
600 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */
601
602 /*
603 * Structure prepended to raw packets sent through the bpf
604 * interface when set to DLT_IEEE802_11_RADIO. This allows
605 * user applications to specify pretty much everything in
606 * an Atheros tx descriptor. XXX need to generalize.
607 *
608 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
609 * XXX sa_data area.
610 */
611 struct ieee80211_bpf_params {
612 uint8_t ibp_vers; /* version */
613 #define IEEE80211_BPF_VERSION 0
614 uint8_t ibp_len; /* header length in bytes */
615 uint8_t ibp_flags;
616 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */
617 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */
618 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */
619 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */
620 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */
621 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */
622 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */
623 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */
624 uint8_t ibp_try0; /* series 1 try count */
625 uint8_t ibp_rate0; /* series 1 IEEE tx rate */
626 uint8_t ibp_power; /* tx power (device units) */
627 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */
628 uint8_t ibp_try1; /* series 2 try count */
629 uint8_t ibp_rate1; /* series 2 IEEE tx rate */
630 uint8_t ibp_try2; /* series 3 try count */
631 uint8_t ibp_rate2; /* series 3 IEEE tx rate */
632 uint8_t ibp_try3; /* series 4 try count */
633 uint8_t ibp_rate3; /* series 4 IEEE tx rate */
634 };
635
636 #ifdef _KERNEL
637 struct ieee80211_tx_params {
638 struct ieee80211_bpf_params params;
639 };
640 int ieee80211_add_xmit_params(struct mbuf *m,
641 const struct ieee80211_bpf_params *);
642 int ieee80211_get_xmit_params(struct mbuf *m,
643 struct ieee80211_bpf_params *);
644
645 struct ieee80211_rx_params;
646 struct ieee80211_rx_stats;
647
648 int ieee80211_add_rx_params(struct mbuf *m,
649 const struct ieee80211_rx_stats *rxs);
650 int ieee80211_get_rx_params(struct mbuf *m,
651 struct ieee80211_rx_stats *rxs);
652 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m);
653
654 struct ieee80211_toa_params {
655 int request_id;
656 };
657 int ieee80211_add_toa_params(struct mbuf *m,
658 const struct ieee80211_toa_params *p);
659 int ieee80211_get_toa_params(struct mbuf *m,
660 struct ieee80211_toa_params *p);
661
662 #define IEEE80211_F_SURVEY_TIME 0x00000001
663 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002
664 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004
665 #define IEEE80211_F_SURVEY_TSC 0x00000008
666 struct ieee80211_channel_survey {
667 uint32_t s_flags;
668 uint32_t s_time;
669 uint32_t s_time_busy;
670 int32_t s_noise;
671 uint64_t s_tsc;
672 };
673
674 #endif /* _KERNEL */
675
676 /*
677 * Malloc API. Other BSD operating systems have slightly
678 * different malloc/free namings (eg DragonflyBSD.)
679 */
680 #define IEEE80211_MALLOC malloc
681 #define IEEE80211_FREE free
682
683 /* XXX TODO: get rid of WAITOK, fix all the users of it? */
684 #define IEEE80211_M_NOWAIT M_NOWAIT
685 #define IEEE80211_M_WAITOK M_WAITOK
686 #define IEEE80211_M_ZERO M_ZERO
687
688 /* XXX TODO: the type fields */
689
690 #endif /* _NET80211_IEEE80211_FREEBSD_H_ */
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