ieee80211_netbsd.h revision 1.21.2.11 1 /* $NetBSD: ieee80211_netbsd.h,v 1.21.2.11 2020/04/13 08:05:16 martin Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 *
6 * Copyright (c) 2003-2008 Sam Leffler, Errno Consulting
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: ieee80211_freebsd.h$
30 */
31 #ifndef _NET80211_IEEE80211_NETBSD_H_
32 #define _NET80211_IEEE80211_NETBSD_H_
33
34 #ifdef _KERNEL
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/atomic.h>
38 #include <sys/cprng.h>
39 #include <sys/lock.h>
40 #include <sys/mbuf.h>
41 #include <sys/malloc.h>
42 #include <sys/mallocvar.h>
43 #include <sys/mutex.h>
44 #include <sys/rwlock.h>
45 #include <sys/sysctl.h>
46 #include <sys/workqueue.h>
47
48 // #include <net80211/_ieee80211.h>
49
50 #include <net/if.h>
51
52 /*
53 * Defines to make the FreeBSD code work on NetBSD
54 */
55
56 #define PI_NET IPL_NET
57 #define EDOOFUS EINVAL
58 #define IFF_PPROMISC IFF_PROMISC
59
60 #define __offsetof(type, field) __builtin_offsetof(type, field)
61 #define arc4random cprng_fast32
62 #define atomic_subtract_int(var,val) atomic_add_int(var,-(val))
63 #define caddr_t void *
64 #define callout_drain(x) callout_halt(x, NULL)
65 #define m_catpkt(x,y) m_cat(x,y)
66 #define mtx_lock(mtx) mutex_enter(mtx)
67 #define mtx_unlock(mtx) mutex_exit(mtx)
68 #define mtx_owned(mtx) mutex_owned(mtx)
69 #define mtx_destroy(mtx) mutex_destroy(mtx)
70 #define mtx_sleep(a1, a2, a3, a4, a5) /* NNN not sure what it should be. */
71 #define nitems(x) (sizeof((x)) / sizeof((x)[0]))
72 #define ovbcopy(dst,src,size) memmove(dst,src,size)
73 #define ticks hardclock_ticks
74
75 /*
76 * task stuff needs major work NNN!
77 */
78
79 typedef void task_fn_t(void *context, int pending);
80
81 // NNN use more standard feature for getting pointers from fields ...???
82 struct task {
83 struct work t_work; /* Must be first so we can cast a work to a task */
84 task_fn_t *t_func;
85 void *t_arg;
86 kmutex_t t_mutex;
87 int t_onqueue;
88 const char *t_func_name;
89 };
90
91 struct timeout_task {
92 struct task to_task; /* Must be first so we can cast to a task. */
93 struct workqueue *to_wq;
94 callout_t to_callout;
95 int to_scheduled;
96 };
97
98
99 static __inline int dummy(void);
100 static __inline int dummy(void) { return 0; }
101
102 void ieee80211_runwork(struct work *, void *);
103 void taskqueue_enqueue(struct workqueue *, struct task *);
104 void taskqueue_drain(struct workqueue *, struct task *);
105
106 int taskqueue_enqueue_timeout(struct workqueue *queue,
107 struct timeout_task *timeout_task, int nticks);
108 int taskqueue_cancel_timeout(struct workqueue *queue,
109 struct timeout_task *timeout_task, u_int *pendp);
110 void taskqueue_drain_timeout(struct workqueue *queue,
111 struct timeout_task *timeout_task);
112
113 /* NNN ---- Need to add a way to mutex_destroy at the right time. */
114
115 #define TASK_INIT(var, pri, func, arg) do { \
116 (var)->t_func = func; \
117 (var)->t_arg = arg; \
118 mutex_init(&(var)->t_mutex, MUTEX_DEFAULT, IPL_SOFTNET);\
119 (var)->t_onqueue = 0;\
120 (var)->t_func_name = #func; \
121 } while(0)
122
123 #define TIMEOUT_TASK_INIT(queue, task, pri, func, arg) do { \
124 (task)->to_task.t_func = func; \
125 (task)->to_task.t_arg = arg; \
126 mutex_init(&(task)->to_task.t_mutex, MUTEX_DEFAULT, IPL_SOFTNET);\
127 (task)->to_task.t_onqueue = 0;\
128 (task)->to_task.t_func_name = #func; \
129 (task)->to_wq = queue;\
130 callout_init(&(task)->to_callout, CALLOUT_MPSAFE);\
131 (task)->to_scheduled = 0;\
132 } while (0)
133
134 #define taskqueue workqueue
135 #define taskqueue_free(queue) workqueue_destroy(queue)
136
137 #define taskqueue_block(queue) /* */
138 #define taskqueue_unblock(queue) /* */
139
140 /* Other stuff that needs to be fixed NNN */
141 #define priv_check(x,y) 0
142
143 /* Coult it be this simple? NNN */
144 #define if_addr_rlock(ifp) IFNET_LOCK(ifp)
145 #define if_addr_runlock(ifp) IFNET_UNLOCK(ifp)
146
147 /* VNET defines to remove them ... NNN may need a lot of work! */
148
149 #define CURVNET_SET(x) /* */
150 #define CURVNET_RESTORE() /* */
151 #define CURVNET_SET_QUIET(x) /* */
152
153 /* counters */
154 typedef uint64_t counter_u64_t;
155 #define counter_u64_free(x) /* */
156 #define counter_u64_fetch(x) x
157 #define counter_u64_alloc(x) 0
158
159 typedef enum {
160 IFCOUNTER_IPACKETS = 0,
161 IFCOUNTER_IERRORS,
162 IFCOUNTER_OPACKETS,
163 IFCOUNTER_OERRORS,
164 IFCOUNTER_COLLISIONS,
165 IFCOUNTER_IBYTES,
166 IFCOUNTER_OBYTES,
167 IFCOUNTER_IMCASTS,
168 IFCOUNTER_OMCASTS,
169 IFCOUNTER_IQDROPS,
170 IFCOUNTER_OQDROPS,
171 IFCOUNTER_NOPROTO,
172 IFCOUNTERS /* Array size. */
173 } ift_counter;
174 void if_inc_counter(struct ifnet *, ift_counter, int64_t);
175
176 #define if_get_counter_default(ipf,cnt) \
177 (cnt == IFCOUNTER_OERRORS ? ipf->if_oerrors : \
178 (cnt == IFCOUNTER_IERRORS ? ipf->if_ierrors : 0 ))
179
180 #define IF_LLADDR(ifp) (((struct ieee80211vap *)ifp->if_softc)->iv_myaddr)
181
182 /* Scanners ... needed because no module support; */
183 extern const struct ieee80211_scanner sta_default;
184 extern const struct ieee80211_scanner ap_default;
185 extern const struct ieee80211_scanner adhoc_default;
186 extern const struct ieee80211_scanner mesh_default;
187
188 /*
189 * Sysctl support??? NNN
190 */
191
192 #define SYSCTL_INT(a1, a2, a3, a4, a5, a6, a7) /* notyet */
193 #define SYSCTL_PROC(a1, a2, a3, a4, a5, a6, a7, a8, a9) /* notyet */
194 #undef SYSCTL_NODE
195 #define SYSCTL_NODE(a1, a2, a3, a4, a5, a6) int a2 __unused
196
197 /* another unknown macro ... at least notyet */
198 #define SYSINIT(a1, a2, a3, a4, a5) /* notyet */
199 #define TEXT_SET(set, sym) /* notyet ... linker magic, supported? */
200
201 /*
202 * FreeBSD code uses KASSERT but different from NetBSD so ...
203 */
204 #define FBSDKASSERT(_cond, _complaint) \
205 do { \
206 if (!(_cond)) \
207 panic _complaint; \
208 } while (/*CONSTCOND*/0)
209
210 /*
211 * Common state locking definitions.
212 */
213 typedef struct {
214 char name[16]; /* e.g. "ath0_com_lock" */
215 kmutex_t mtx;
216 } ieee80211_com_lock_t;
217 #define IEEE80211_LOCK_INIT(_ic, _name) do { \
218 ieee80211_com_lock_t *cl = &(_ic)->ic_comlock; \
219 snprintf(cl->name, sizeof(cl->name), "%s_com_lock", _name); \
220 mutex_init(&cl->mtx, MUTEX_DEFAULT, IPL_SOFTNET); \
221 } while (0)
222 #define IEEE80211_LOCK_OBJ(_ic) (&(_ic)->ic_comlock.mtx)
223 #define IEEE80211_LOCK_DESTROY(_ic) mutex_destroy(IEEE80211_LOCK_OBJ(_ic))
224 #define IEEE80211_LOCK(_ic) mutex_enter(IEEE80211_LOCK_OBJ(_ic))
225 #define IEEE80211_UNLOCK(_ic) mutex_exit(IEEE80211_LOCK_OBJ(_ic))
226 #define IEEE80211_LOCK_ASSERT(_ic) \
227 FBSDKASSERT(mutex_owned(IEEE80211_LOCK_OBJ(_ic)), ("Lock is not owned"))
228 #define IEEE80211_UNLOCK_ASSERT(_ic) \
229 FBSDKASSERT(!mutex_owned(IEEE80211_LOCK_OBJ(_ic)), ("Lock is owned"))
230
231 /*
232 * Transmit lock.
233 *
234 * This is a (mostly) temporary lock designed to serialise all of the
235 * transmission operations throughout the stack.
236 */
237 typedef struct {
238 char name[16]; /* e.g. "ath0_tx_lock" */
239 kmutex_t mtx;
240 } ieee80211_tx_lock_t;
241 #define IEEE80211_TX_LOCK_INIT(_ic, _name) do { \
242 ieee80211_tx_lock_t *cl = &(_ic)->ic_txlock; \
243 snprintf(cl->name, sizeof(cl->name), "%s_tx_lock", _name); \
244 mutex_init(&cl->mtx, MUTEX_DEFAULT, IPL_SOFTNET); \
245 } while (0)
246 #define IEEE80211_TX_LOCK_OBJ(_ic) (&(_ic)->ic_txlock.mtx)
247 #define IEEE80211_TX_LOCK_DESTROY(_ic) mutex_destroy(IEEE80211_TX_LOCK_OBJ(_ic))
248 #define IEEE80211_TX_LOCK(_ic) mutex_enter(IEEE80211_TX_LOCK_OBJ(_ic))
249 #define IEEE80211_TX_UNLOCK(_ic) mutex_exit(IEEE80211_TX_LOCK_OBJ(_ic))
250 #define IEEE80211_TX_LOCK_ASSERT(_ic) \
251 FBSDKASSERT(mutex_owned(IEEE80211_TX_LOCK_OBJ(_ic)), ("lock not owned"))
252 #define IEEE80211_TX_UNLOCK_ASSERT(_ic) \
253 FBSDKASSERT(!mutex_owned(IEEE80211_TX_LOCK_OBJ(_ic)), ("lock is owned"))
254
255 /*
256 * Stageq / ni_tx_superg lock
257 */
258 typedef struct {
259 char name[16]; /* e.g. "ath0_ff_lock" */
260 kmutex_t mtx;
261 } ieee80211_ff_lock_t;
262 #define IEEE80211_FF_LOCK_INIT(_ic, _name) do { \
263 ieee80211_ff_lock_t *fl = &(_ic)->ic_fflock; \
264 snprintf(fl->name, sizeof(fl->name), "%s_ff_lock", _name); \
265 mutex_init(&fl->mtx, MUTEX_DEFAULT, IPL_SOFTNET); \
266 } while (0)
267 #define IEEE80211_FF_LOCK_OBJ(_ic) (&(_ic)->ic_fflock.mtx)
268 #define IEEE80211_FF_LOCK_DESTROY(_ic) mutex_destroy(IEEE80211_FF_LOCK_OBJ(_ic))
269 #define IEEE80211_FF_LOCK(_ic) mutex_enter(IEEE80211_FF_LOCK_OBJ(_ic))
270 #define IEEE80211_FF_UNLOCK(_ic) mutex_exit(IEEE80211_FF_LOCK_OBJ(_ic))
271 #define IEEE80211_FF_LOCK_ASSERT(_ic) \
272 FBSDKASSERT(mutex_owned(IEEE80211_FF_LOCK_OBJ(_ic)), ("lock not owned"))
273
274 /*
275 * Node locking definitions.
276 */
277 typedef struct {
278 char name[16]; /* e.g. "ath0_node_lock" */
279 kmutex_t mtx;
280 } ieee80211_node_lock_t;
281 #define IEEE80211_NODE_LOCK_INIT(_nt, _name) do { \
282 ieee80211_node_lock_t *nl = &(_nt)->nt_nodelock; \
283 snprintf(nl->name, sizeof(nl->name), "%s_node_lock", _name); \
284 mutex_init(&nl->mtx, MUTEX_DEFAULT, IPL_SOFTNET); \
285 } while (0)
286 #define IEEE80211_NODE_LOCK_OBJ(_nt) (&(_nt)->nt_nodelock.mtx)
287 #define IEEE80211_NODE_LOCK_DESTROY(_nt) \
288 mutex_destroy(IEEE80211_NODE_LOCK_OBJ(_nt))
289 #define IEEE80211_NODE_LOCK(_nt) \
290 mutex_enter(IEEE80211_NODE_LOCK_OBJ(_nt))
291 #define IEEE80211_NODE_IS_LOCKED(_nt) \
292 mtx_owned(IEEE80211_NODE_LOCK_OBJ(_nt))
293 #define IEEE80211_NODE_UNLOCK(_nt) \
294 mutex_exit(IEEE80211_NODE_LOCK_OBJ(_nt))
295 #define IEEE80211_NODE_LOCK_ASSERT(_nt) \
296 FBSDKASSERT(mutex_owned(IEEE80211_NODE_LOCK_OBJ(_nt)), ("lock not owned"))
297
298 /*
299 * Power-save queue definitions.
300 */
301 typedef kmutex_t ieee80211_psq_lock_t;
302 #define IEEE80211_PSQ_INIT(_psq, _name) \
303 mutex_init(&(_psq)->psq_lock, MUTEX_DEFAULT, IPL_SOFTNET)
304 #define IEEE80211_PSQ_DESTROY(_psq) mutex_destroy(&(_psq)->psq_lock)
305 #define IEEE80211_PSQ_LOCK(_psq) mutex_enter(&(_psq)->psq_lock)
306 #define IEEE80211_PSQ_UNLOCK(_psq) mutex_exit(&(_psq)->psq_lock)
307
308 #ifndef IF_PREPEND_LIST
309 #define _IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \
310 (mtail)->m_nextpkt = (ifq)->ifq_head; \
311 if ((ifq)->ifq_tail == NULL) \
312 (ifq)->ifq_tail = (mtail); \
313 (ifq)->ifq_head = (mhead); \
314 (ifq)->ifq_len += (mcount); \
315 } while (0)
316 #define IF_PREPEND_LIST(ifq, mhead, mtail, mcount) do { \
317 IF_LOCK(ifq); \
318 _IF_PREPEND_LIST(ifq, mhead, mtail, mcount); \
319 IF_UNLOCK(ifq); \
320 } while (0)
321 #endif /* IF_PREPEND_LIST */
322
323 /*
324 * Age queue definitions.
325 */
326 typedef kmutex_t ieee80211_ageq_lock_t;
327 #define IEEE80211_AGEQ_INIT(_aq, _name) \
328 mutex_init(&(_aq)->aq_lock, MUTEX_DEFAULT, IPL_SOFTNET)
329 #define IEEE80211_AGEQ_DESTROY(_aq) mutex_destroy(&(_aq)->aq_lock)
330 #define IEEE80211_AGEQ_LOCK(_aq) mutex_enter(&(_aq)->aq_lock)
331 #define IEEE80211_AGEQ_UNLOCK(_aq) mutex_exit(&(_aq)->aq_lock)
332
333 /*
334 * 802.1x MAC ACL database locking definitions.
335 */
336 typedef kmutex_t acl_lock_t;
337 #define ACL_LOCK_INIT(_as, _name) \
338 mutex_init(&(_as)->as_lock, MUTEX_DEFAULT, IPL_SOFTNET)
339 #define ACL_LOCK_DESTROY(_as) mutex_destroy(&(_as)->as_lock)
340 #define ACL_LOCK(_as) mutex_enter(&(_as)->as_lock)
341 #define ACL_UNLOCK(_as) mutex_exit(&(_as)->as_lock)
342 #define ACL_LOCK_ASSERT(_as) \
343 FBSDKASSERT(mutex_owned((&(_as)->as_lock)), ("lock not owned"))
344
345 /*
346 * Scan table definitions.
347 */
348 typedef kmutex_t ieee80211_scan_table_lock_t;
349 #define IEEE80211_SCAN_TABLE_LOCK_INIT(_st, _name) \
350 mutex_init(&(_st)->st_lock, MUTEX_DEFAULT, IPL_SOFTNET)
351 #define IEEE80211_SCAN_TABLE_LOCK_DESTROY(_st) mutex_destroy(&(_st)->st_lock)
352 #define IEEE80211_SCAN_TABLE_LOCK(_st) mutex_enter(&(_st)->st_lock)
353 #define IEEE80211_SCAN_TABLE_UNLOCK(_st) mutex_exit(&(_st)->st_lock)
354
355 typedef kmutex_t ieee80211_scan_iter_lock_t;
356 #define IEEE80211_SCAN_ITER_LOCK_INIT(_st, _name) \
357 mutex_init(&(_st)->st_scanlock, MUTEX_DEFAULT, IPL_SOFTNET)
358 #define IEEE80211_SCAN_ITER_LOCK_DESTROY(_st) mutex_destroy(&(_st)->st_scanlock)
359 #define IEEE80211_SCAN_ITER_LOCK(_st) mutex_enter(&(_st)->st_scanlock)
360 #define IEEE80211_SCAN_ITER_UNLOCK(_st) mutex_exit(&(_st)->st_scanlock)
361
362 /*
363 * Mesh node/routing definitions.
364 */
365 typedef kmutex_t ieee80211_rte_lock_t;
366 #define MESH_RT_ENTRY_LOCK_INIT(_rt, _name) \
367 mutex_init(&(rt)->rt_lock, MUTEX_DEFAULT, IPL_SOFTNET)
368 #define MESH_RT_ENTRY_LOCK_DESTROY(_rt) \
369 mutex_destroy(&(_rt)->rt_lock)
370 #define MESH_RT_ENTRY_LOCK(rt) mutex_enter(&(rt)->rt_lock)
371 #define MESH_RT_ENTRY_LOCK_ASSERT(rt) \
372 FBSDKASSERT(mutex_owned(&(rt)->rt_lock), ("mutex not owned"))
373 #define MESH_RT_ENTRY_UNLOCK(rt) mutex_exit(&(rt)->rt_lock)
374
375 typedef kmutex_t ieee80211_rt_lock_t;
376 #define MESH_RT_LOCK(ms) mutex_enter(&(ms)->ms_rt_lock)
377 #define MESH_RT_LOCK_ASSERT(ms) \
378 FBSDKASSERT(mutex_owned(&(ms)->ms_rt_lock), ("lock not owned"))
379 #define MESH_RT_UNLOCK(ms) mutex_exit(&(ms)->ms_rt_lock)
380 #define MESH_RT_LOCK_INIT(ms, name) \
381 mutex_init(&(ms)->ms_rt_lock, MUTEX_DEFAULT, IPL_SOFTNET)
382 #define MESH_RT_LOCK_DESTROY(ms) \
383 mutex_destroy(&(ms)->ms_rt_lock)
384
385 /*
386 * Node reference counting definitions.
387 *
388 * ieee80211_node_initref initialize the reference count to 1
389 * ieee80211_node_incref add a reference
390 * ieee80211_node_decref remove a reference
391 * ieee80211_node_dectestref remove a reference and return 1 if this
392 * is the last reference, otherwise 0
393 * ieee80211_node_refcnt reference count for printing (only)
394 */
395
396 #define ieee80211_node_initref(_ni) \
397 do { ((_ni)->ni_refcnt = 1); } while (0)
398 #define ieee80211_node_incref(_ni) \
399 atomic_add_int(&(_ni)->ni_refcnt, 1)
400 #define ieee80211_node_decref(_ni) \
401 atomic_subtract_int(&(_ni)->ni_refcnt, 1)
402 struct ieee80211_node;
403 int ieee80211_node_dectestref(struct ieee80211_node *ni);
404 #define ieee80211_node_refcnt(_ni) (_ni)->ni_refcnt
405
406 /*
407 * Media locking definitions.
408 */
409 typedef kmutex_t ieee80211_media_lock_t;
410
411 /*
412 * Media locking definitions.
413 */
414 typedef kmutex_t ieee80211_media_lock_t;
415
416 struct ifqueue;
417 struct ieee80211vap;
418 void ieee80211_drain_ifq(struct ifqueue *);
419 void ieee80211_flush_ifq(struct ifqueue *, struct ieee80211vap *);
420
421 void ieee80211_vap_destroy(struct ieee80211vap *);
422
423 #define IFNET_IS_UP_RUNNING(_ifp) \
424 (((_ifp)->if_flags & IFF_UP) && \
425 ((_ifp)->if_flags & IFF_RUNNING))
426
427 /* XXX TODO: cap these at 1, as hz may not be 1000 */
428 #define msecs_to_ticks(ms) (((ms)*hz)/1000)
429 #define ticks_to_msecs(t) (1000*(t) / hz)
430 #define ticks_to_secs(t) ((t) / hz)
431
432 #define ieee80211_time_after(a,b) ((long)(b) - (long)(a) < 0)
433 #define ieee80211_time_before(a,b) ieee80211_time_after(b,a)
434 #define ieee80211_time_after_eq(a,b) ((long)(a) - (long)(b) >= 0)
435 #define ieee80211_time_before_eq(a,b) ieee80211_time_after_eq(b,a)
436
437 struct mbuf *ieee80211_getmgtframe(uint8_t **frm, int headroom, int pktlen);
438
439 /* tx path usage */
440 #define M_ENCAP M_LINK0 /* 802.11 encap done */
441 #define M_EAPOL M_LINK3 /* PAE/EAPOL frame */
442 #define M_PWR_SAV M_LINK4 /* bypass PS handling */
443 #define M_MORE_DATA M_LINK5 /* more data frames to follow */
444 #define M_FF M_LINK6 /* fast frame / A-MSDU */
445 #define M_TXCB M_LINK7 /* do tx complete callback */
446 #define M_AMPDU_MPDU M_LINK8 /* ok for A-MPDU aggregation */
447 #define M_FRAG M_LINK9 /* frame fragmentation */
448 #define M_FIRSTFRAG M_LINK10 /* first frame fragment */
449 #define M_LASTFRAG M_LINK11 /* last frame fragment */
450
451 #define M_80211_TX \
452 (M_ENCAP|M_EAPOL|M_PWR_SAV|M_MORE_DATA|M_FF|M_TXCB| \
453 M_AMPDU_MPDU|M_FRAG|M_FIRSTFRAG|M_LASTFRAG)
454
455 /* rx path usage */
456 #define M_AMPDU M_LINK1 /* A-MPDU subframe */
457 #define M_WEP M_LINK2 /* WEP done by hardware */
458 #if 0
459 #define M_AMPDU_MPDU M_LINK8 /* A-MPDU re-order done */
460 #endif
461 #define M_80211_RX (M_AMPDU|M_WEP|M_AMPDU_MPDU)
462
463 #define IEEE80211_MBUF_TX_FLAG_BITS \
464 M_FLAG_BITS \
465 "\15M_ENCAP\17M_EAPOL\20M_PWR_SAV\21M_MORE_DATA\22M_FF\23M_TXCB" \
466 "\24M_AMPDU_MPDU\25M_FRAG\26M_FIRSTFRAG\27M_LASTFRAG"
467
468 #define IEEE80211_MBUF_RX_FLAG_BITS \
469 M_FLAG_BITS \
470 "\15M_AMPDU\16M_WEP\24M_AMPDU_MPDU"
471
472 /*
473 * Store WME access control bits in the vlan tag.
474 * This is safe since it's done after the packet is classified
475 * (where we use any previous tag) and because it's passed
476 * directly in to the driver and there's no chance someone
477 * else will clobber them on us.
478 */
479 #define M_WME_SETAC(m, ac) \
480 ((m)->m_pkthdr.ether_vtag = (ac))
481 #define M_WME_GETAC(m) ((m)->m_pkthdr.ether_vtag)
482
483 /*
484 * Mbufs on the power save queue are tagged with an age and
485 * timed out. We reuse the hardware checksum field in the
486 * mbuf packet header to store this data.
487 */
488 #define M_AGE_SET(m,v) (m->m_pkthdr.csum_data = v)
489 #define M_AGE_GET(m) (m->m_pkthdr.csum_data)
490 #define M_AGE_SUB(m,adj) (m->m_pkthdr.csum_data -= adj)
491
492 /*
493 * Store the sequence number. XXX? correct to use segsz?
494 */
495 #define M_SEQNO_SET(m, seqno) \
496 ((m)->m_pkthdr.segsz = (seqno))
497 #define M_SEQNO_GET(m) ((m)->m_pkthdr.segsz)
498
499 #define MTAG_ABI_NET80211 1132948340 /* net80211 ABI */
500
501 struct ieee80211_cb {
502 void (*func)(struct ieee80211_node *, void *, int status);
503 void *arg;
504 };
505 #define NET80211_TAG_CALLBACK 0 /* xmit complete callback */
506 int ieee80211_add_callback(struct mbuf *m,
507 void (*func)(struct ieee80211_node *, void *, int), void *arg);
508 void ieee80211_process_callback(struct ieee80211_node *, struct mbuf *, int);
509
510 #define NET80211_TAG_XMIT_PARAMS 1
511 /* See below; this is after the bpf_params definition */
512
513 #define NET80211_TAG_RECV_PARAMS 2
514
515 #define NET80211_TAG_TOA_PARAMS 3
516
517 struct ieee80211com;
518 int ieee80211_parent_xmitpkt(struct ieee80211com *, struct mbuf *);
519 int ieee80211_vap_xmitpkt(struct ieee80211vap *, struct mbuf *);
520
521 void get_random_bytes(void *, size_t);
522
523 void ieee80211_sysctl_attach(struct ieee80211com *);
524 void ieee80211_sysctl_detach(struct ieee80211com *);
525 void ieee80211_sysctl_vattach(struct ieee80211vap *);
526 void ieee80211_sysctl_vdetach(struct ieee80211vap *);
527
528 #if notyet
529 SYSCTL_DECL(_net_wlan);
530 int ieee80211_sysctl_msecs_ticks(SYSCTL_HANDLER_ARGS);
531 #endif
532
533
534 #ifdef notyet
535
536 /*
537 * A "policy module" is an adjunct module to net80211 that provides
538 * functionality that typically includes policy decisions. This
539 * modularity enables extensibility and vendor-supplied functionality.
540 */
541 #define _IEEE80211_POLICY_MODULE(policy, name, version) \
542 typedef void (*policy##_setup)(int); \
543 SET_DECLARE(policy##_set, policy##_setup); \
544 static int \
545 wlan_##name##_modevent(module_t mod, int type, void *unused) \
546 { \
547 policy##_setup * const *iter, f; \
548 switch (type) { \
549 case MOD_LOAD: \
550 SET_FOREACH(iter, policy##_set) { \
551 f = (void*) *iter; \
552 f(type); \
553 } \
554 return 0; \
555 case MOD_UNLOAD: \
556 case MOD_QUIESCE: \
557 if (nrefs) { \
558 printf("wlan_" #name ": still in use " \
559 "(%u dynamic refs)\n", nrefs); \
560 return EBUSY; \
561 } \
562 if (type == MOD_UNLOAD) { \
563 SET_FOREACH(iter, policy##_set) { \
564 f = (void*) *iter; \
565 f(type); \
566 } \
567 } \
568 return 0; \
569 } \
570 return EINVAL; \
571 } \
572 static moduledata_t name##_mod = { \
573 "wlan_" #name, \
574 wlan_##name##_modevent, \
575 0 \
576 }; \
577 DECLARE_MODULE(wlan_##name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
578 MODULE_VERSION(wlan_##name, version); \
579 MODULE_DEPEND(wlan_##name, wlan, 1, 1, 1)
580
581 /*
582 * Crypto modules implement cipher support.
583 */
584 #define IEEE80211_CRYPTO_MODULE(name, version) \
585 _IEEE80211_POLICY_MODULE(crypto, name, version); \
586 static void \
587 name##_modevent(int type) \
588 { \
589 if (type == MOD_LOAD) \
590 ieee80211_crypto_register(&name); \
591 else \
592 ieee80211_crypto_unregister(&name); \
593 } \
594 TEXT_SET(crypto##_set, name##_modevent)
595
596 /*
597 * Scanner modules provide scanning policy.
598 */
599 #define IEEE80211_SCANNER_MODULE(name, version) \
600 _IEEE80211_POLICY_MODULE(scanner, name, version)
601
602 #define IEEE80211_SCANNER_ALG(name, alg, v) \
603 static void \
604 name##_modevent(int type) \
605 { \
606 if (type == MOD_LOAD) \
607 ieee80211_scanner_register(alg, &v); \
608 else \
609 ieee80211_scanner_unregister(alg, &v); \
610 } \
611 TEXT_SET(scanner_set, name##_modevent); \
612
613 /*
614 * ACL modules implement acl policy.
615 */
616 #define IEEE80211_ACL_MODULE(name, alg, version) \
617 _IEEE80211_POLICY_MODULE(acl, name, version); \
618 static void \
619 alg##_modevent(int type) \
620 { \
621 if (type == MOD_LOAD) \
622 ieee80211_aclator_register(&alg); \
623 else \
624 ieee80211_aclator_unregister(&alg); \
625 } \
626 TEXT_SET(acl_set, alg##_modevent); \
627
628 /*
629 * Authenticator modules handle 802.1x/WPA authentication.
630 */
631 #define IEEE80211_AUTH_MODULE(name, version) \
632 _IEEE80211_POLICY_MODULE(auth, name, version)
633
634 #define IEEE80211_AUTH_ALG(name, alg, v) \
635 static void \
636 name##_modevent(int type) \
637 { \
638 if (type == MOD_LOAD) \
639 ieee80211_authenticator_register(alg, &v); \
640 else \
641 ieee80211_authenticator_unregister(alg); \
642 } \
643 TEXT_SET(auth_set, name##_modevent)
644
645 /*
646 * Rate control modules provide tx rate control support.
647 */
648 #define IEEE80211_RATECTL_MODULE(alg, version) \
649 _IEEE80211_POLICY_MODULE(ratectl, alg, version); \
650
651 #define IEEE80211_RATECTL_ALG(name, alg, v) \
652 static void \
653 alg##_modevent(int type) \
654 { \
655 if (type == MOD_LOAD) \
656 ieee80211_ratectl_register(alg, &v); \
657 else \
658 ieee80211_ratectl_unregister(alg); \
659 } \
660 TEXT_SET(ratectl##_set, alg##_modevent)
661
662 #else
663 /* NNN This looks like module load/unload support ... notyet supported */
664 #define _IEEE80211_POLICY_MODULE(policy, name, version) /* unsupported */
665 #define IEEE80211_CRYPTO_MODULE(name, version) /* unsupported */
666 #define IEEE80211_SCANNER_MODULE(name, version) /* unsupported */
667 #define IEEE80211_SCANNER_ALG(name, alg, v) /* unsupported */
668 #define IEEE80211_ACL_MODULE(name, alg, version) const void *const temp = &alg
669 #define IEEE80211_AUTH_MODULE(name, version) /* unsupported */
670 #define IEEE80211_AUTH_ALG(name, alg, v) /* unsupported */
671 #define IEEE80211_RATECTL_MODULE(alg, version) /* unsupported */
672 #define IEEE80211_RATECTL_ALG(name, alg, v) /* unsupported */
673 #endif
674
675 /*
676 * IOCTL support
677 */
678
679 struct ieee80211req;
680
681 typedef int ieee80211_ioctl_getfunc(struct ieee80211vap *, struct ieee80211req *);
682 #if notyet
683 SET_DECLARE(ieee80211_ioctl_getset, ieee80211_ioctl_getfunc);
684 #endif
685 #define IEEE80211_IOCTL_GET(_name, _get) TEXT_SET(ieee80211_ioctl_getset, _get)
686
687 typedef int ieee80211_ioctl_setfunc(struct ieee80211vap *, struct ieee80211req *);
688 #if notyet
689 SET_DECLARE(ieee80211_ioctl_setset, ieee80211_ioctl_setfunc);
690 #endif
691 #define IEEE80211_IOCTL_SET(_name, _set) TEXT_SET(ieee80211_ioctl_setset, _set)
692
693 #endif /* _KERNEL */
694
695 /* XXX this stuff belongs elsewhere */
696 /*
697 * Message formats for messages from the net80211 layer to user
698 * applications via the routing socket. These messages are appended
699 * to an if_announcemsghdr structure.
700 */
701 struct ieee80211_join_event {
702 uint8_t iev_addr[6];
703 };
704
705 struct ieee80211_leave_event {
706 uint8_t iev_addr[6];
707 };
708
709 struct ieee80211_replay_event {
710 uint8_t iev_src[6]; /* src MAC */
711 uint8_t iev_dst[6]; /* dst MAC */
712 uint8_t iev_cipher; /* cipher type */
713 uint8_t iev_keyix; /* key id/index */
714 uint64_t iev_keyrsc; /* RSC from key */
715 uint64_t iev_rsc; /* RSC from frame */
716 };
717
718 struct ieee80211_michael_event {
719 uint8_t iev_src[6]; /* src MAC */
720 uint8_t iev_dst[6]; /* dst MAC */
721 uint8_t iev_cipher; /* cipher type */
722 uint8_t iev_keyix; /* key id/index */
723 };
724
725 struct ieee80211_wds_event {
726 uint8_t iev_addr[6];
727 };
728
729 struct ieee80211_csa_event {
730 uint32_t iev_flags; /* channel flags */
731 uint16_t iev_freq; /* setting in Mhz */
732 uint8_t iev_ieee; /* IEEE channel number */
733 uint8_t iev_mode; /* CSA mode */
734 uint8_t iev_count; /* CSA count */
735 };
736
737 struct ieee80211_cac_event {
738 uint32_t iev_flags; /* channel flags */
739 uint16_t iev_freq; /* setting in Mhz */
740 uint8_t iev_ieee; /* IEEE channel number */
741 /* XXX timestamp? */
742 uint8_t iev_type; /* IEEE80211_NOTIFY_CAC_* */
743 };
744
745 struct ieee80211_radar_event {
746 uint32_t iev_flags; /* channel flags */
747 uint16_t iev_freq; /* setting in Mhz */
748 uint8_t iev_ieee; /* IEEE channel number */
749 /* XXX timestamp? */
750 };
751
752 struct ieee80211_auth_event {
753 uint8_t iev_addr[6];
754 };
755
756 struct ieee80211_deauth_event {
757 uint8_t iev_addr[6];
758 };
759
760 struct ieee80211_country_event {
761 uint8_t iev_addr[6];
762 uint8_t iev_cc[2]; /* ISO country code */
763 };
764
765 struct ieee80211_radio_event {
766 uint8_t iev_state; /* 1 on, 0 off */
767 };
768
769 #define RTM_IEEE80211_ASSOC 100 /* station associate (bss mode) */
770 #define RTM_IEEE80211_REASSOC 101 /* station re-associate (bss mode) */
771 #define RTM_IEEE80211_DISASSOC 102 /* station disassociate (bss mode) */
772 #define RTM_IEEE80211_JOIN 103 /* station join (ap mode) */
773 #define RTM_IEEE80211_LEAVE 104 /* station leave (ap mode) */
774 #define RTM_IEEE80211_SCAN 105 /* scan complete, results available */
775 #define RTM_IEEE80211_REPLAY 106 /* sequence counter replay detected */
776 #define RTM_IEEE80211_MICHAEL 107 /* Michael MIC failure detected */
777 #define RTM_IEEE80211_REJOIN 108 /* station re-associate (ap mode) */
778 #define RTM_IEEE80211_WDS 109 /* WDS discovery (ap mode) */
779 #define RTM_IEEE80211_CSA 110 /* Channel Switch Announcement event */
780 #define RTM_IEEE80211_RADAR 111 /* radar event */
781 #define RTM_IEEE80211_CAC 112 /* Channel Availability Check event */
782 #define RTM_IEEE80211_DEAUTH 113 /* station deauthenticate */
783 #define RTM_IEEE80211_AUTH 114 /* station authenticate (ap mode) */
784 #define RTM_IEEE80211_COUNTRY 115 /* discovered country code (sta mode) */
785 #define RTM_IEEE80211_RADIO 116 /* RF kill switch state change */
786
787 /*
788 * Structure prepended to raw packets sent through the bpf
789 * interface when set to DLT_IEEE802_11_RADIO. This allows
790 * user applications to specify pretty much everything in
791 * an Atheros tx descriptor. XXX need to generalize.
792 *
793 * XXX cannot be more than 14 bytes as it is copied to a sockaddr's
794 * XXX sa_data area.
795 */
796 struct ieee80211_bpf_params {
797 uint8_t ibp_vers; /* version */
798 #define IEEE80211_BPF_VERSION 0
799 uint8_t ibp_len; /* header length in bytes */
800 uint8_t ibp_flags;
801 #define IEEE80211_BPF_SHORTPRE 0x01 /* tx with short preamble */
802 #define IEEE80211_BPF_NOACK 0x02 /* tx with no ack */
803 #define IEEE80211_BPF_CRYPTO 0x04 /* tx with h/w encryption */
804 #define IEEE80211_BPF_FCS 0x10 /* frame incldues FCS */
805 #define IEEE80211_BPF_DATAPAD 0x20 /* frame includes data padding */
806 #define IEEE80211_BPF_RTS 0x40 /* tx with RTS/CTS */
807 #define IEEE80211_BPF_CTS 0x80 /* tx with CTS only */
808 uint8_t ibp_pri; /* WME/WMM AC+tx antenna */
809 uint8_t ibp_try0; /* series 1 try count */
810 uint8_t ibp_rate0; /* series 1 IEEE tx rate */
811 uint8_t ibp_power; /* tx power (device units) */
812 uint8_t ibp_ctsrate; /* IEEE tx rate for CTS */
813 uint8_t ibp_try1; /* series 2 try count */
814 uint8_t ibp_rate1; /* series 2 IEEE tx rate */
815 uint8_t ibp_try2; /* series 3 try count */
816 uint8_t ibp_rate2; /* series 3 IEEE tx rate */
817 uint8_t ibp_try3; /* series 4 try count */
818 uint8_t ibp_rate3; /* series 4 IEEE tx rate */
819 };
820
821 #ifdef _KERNEL
822 struct ieee80211_tx_params {
823 struct ieee80211_bpf_params params;
824 };
825 int ieee80211_add_xmit_params(struct mbuf *m,
826 const struct ieee80211_bpf_params *);
827 int ieee80211_get_xmit_params(struct mbuf *m,
828 struct ieee80211_bpf_params *);
829
830 struct ieee80211_rx_params;
831 struct ieee80211_rx_stats;
832
833 int ieee80211_add_rx_params(struct mbuf *m,
834 const struct ieee80211_rx_stats *rxs);
835 int ieee80211_get_rx_params(struct mbuf *m,
836 struct ieee80211_rx_stats *rxs);
837 const struct ieee80211_rx_stats * ieee80211_get_rx_params_ptr(struct mbuf *m);
838
839 struct ieee80211_toa_params {
840 int request_id;
841 };
842 int ieee80211_add_toa_params(struct mbuf *m,
843 const struct ieee80211_toa_params *p);
844 int ieee80211_get_toa_params(struct mbuf *m,
845 struct ieee80211_toa_params *p);
846
847 #define IEEE80211_F_SURVEY_TIME 0x00000001
848 #define IEEE80211_F_SURVEY_TIME_BUSY 0x00000002
849 #define IEEE80211_F_SURVEY_NOISE_DBM 0x00000004
850 #define IEEE80211_F_SURVEY_TSC 0x00000008
851 struct ieee80211_channel_survey {
852 uint32_t s_flags;
853 uint32_t s_time;
854 uint32_t s_time_busy;
855 int32_t s_noise;
856 uint64_t s_tsc;
857 };
858
859
860 /*
861 * Malloc API. Other BSD operating systems have slightly
862 * different malloc/free namings (eg DragonflyBSD.)
863 */
864 #define IEEE80211_MALLOC malloc
865 #define IEEE80211_FREE free
866
867 /* XXX TODO: get rid of WAITOK, fix all the users of it? */
868 #define IEEE80211_M_NOWAIT M_NOWAIT
869 #define IEEE80211_M_WAITOK M_WAITOK
870 #define IEEE80211_M_ZERO M_ZERO
871
872 /* XXX TODO: the type fields */
873
874 /*
875 * Startup function for NetBSD
876 */
877
878 int ieee80211_init0(void);
879
880
881 /*
882 * Functions FreeBSD uses that NetBSD doesn't have ...
883 */
884
885 int if_printf(struct ifnet *ifp, const char *fmt, ...) __printflike(2, 3);
886 void m_align(struct mbuf *m, int len);
887 int m_append(struct mbuf *m0, int len, const void *cpv);
888 struct mbuf * m_unshare(struct mbuf *m0, int how);
889
890 static __inline void m_clrprotoflags(struct mbuf *m)
891 {
892 m->m_flags &= ~(M_LINK0|M_LINK1|M_LINK2|M_LINK3|M_LINK4|M_LINK5
893 |M_LINK6|M_LINK7|M_LINK8|M_LINK9|M_LINK10|M_LINK11);
894 }
895
896 /*-
897 * Macro for type conversion: convert mbuf pointer to data pointer of correct
898 * type:
899 *
900 * mtod(m, t) -- Convert mbuf pointer to data pointer of correct type.
901 * mtodo(m, o) -- Same as above but with offset 'o' into data.
902 */
903 #define mtod(m, t) ((t)((m)->m_data))
904 #define mtodo(m, o) ((void *)(((m)->m_data) + (o)))
905
906 /* Berkeley Packet Filter shim */
907
908 #define BPF_MTAP(_ifp,_m) do { \
909 bpf_mtap((_ifp), (_m), BPF_D_INOUT); \
910 } while (0)
911
912 /* Missing define in net/if_ether.h */
913
914 #define ETHER_IS_BROADCAST(addr) \
915 (((addr)[0] & (addr)[1] & (addr)[2] & \
916 (addr)[3] & (addr)[4] & (addr)[5]) == 0xff)
917
918 #endif /* _KERNEL */
919
920 #endif /* _NET80211_IEEE80211_NETBSD_H_ */
921