29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/endian.h>
33#include <sys/proc.h>
34#include <sys/kernel.h>
35#include <sys/kthread.h>
36#include <sys/malloc.h>
37#include <sys/mbuf.h>
38#include <sys/unistd.h>
39
40#include <netsmb/smb.h>
41#include <netsmb/smb_conn.h>
42#include <netsmb/smb_rq.h>
43#include <netsmb/smb_tran.h>
44#include <netsmb/smb_trantcp.h>
45
46
47#define SMBIOD_SLEEP_TIMO 2
48#define SMBIOD_PING_TIMO 60 /* seconds */
49
50#define SMB_IOD_EVLOCKPTR(iod) (&((iod)->iod_evlock))
51#define SMB_IOD_EVLOCK(iod) smb_sl_lock(&((iod)->iod_evlock))
52#define SMB_IOD_EVUNLOCK(iod) smb_sl_unlock(&((iod)->iod_evlock))
53
54#define SMB_IOD_RQLOCKPTR(iod) (&((iod)->iod_rqlock))
55#define SMB_IOD_RQLOCK(iod) smb_sl_lock(&((iod)->iod_rqlock))
56#define SMB_IOD_RQUNLOCK(iod) smb_sl_unlock(&((iod)->iod_rqlock))
57
58#define smb_iod_wakeup(iod) wakeup(&(iod)->iod_flags)
59
60
61static MALLOC_DEFINE(M_SMBIOD, "SMBIOD", "SMB network io daemon");
62
63static int smb_iod_next;
64
65static int smb_iod_sendall(struct smbiod *iod);
66static int smb_iod_disconnect(struct smbiod *iod);
67static void smb_iod_thread(void *);
68
69static __inline void
70smb_iod_rqprocessed(struct smb_rq *rqp, int error)
71{
72 SMBRQ_SLOCK(rqp);
73 rqp->sr_lerror = error;
74 rqp->sr_rpgen++;
75 rqp->sr_state = SMBRQ_NOTIFIED;
76 wakeup(&rqp->sr_state);
77 SMBRQ_SUNLOCK(rqp);
78}
79
80static void
81smb_iod_invrq(struct smbiod *iod)
82{
83 struct smb_rq *rqp;
84
85 /*
86 * Invalidate all outstanding requests for this connection
87 */
88 SMB_IOD_RQLOCK(iod);
89 TAILQ_FOREACH(rqp, &iod->iod_rqlist, sr_link) {
90 if (rqp->sr_flags & SMBR_INTERNAL)
91 SMBRQ_SUNLOCK(rqp);
92 rqp->sr_flags |= SMBR_RESTART;
93 smb_iod_rqprocessed(rqp, ENOTCONN);
94 }
95 SMB_IOD_RQUNLOCK(iod);
96}
97
98static void
99smb_iod_closetran(struct smbiod *iod)
100{
101 struct smb_vc *vcp = iod->iod_vc;
102 struct thread *td = iod->iod_td;
103
104 if (vcp->vc_tdata == NULL)
105 return;
106 SMB_TRAN_DISCONNECT(vcp, td);
107 SMB_TRAN_DONE(vcp, td);
108 vcp->vc_tdata = NULL;
109}
110
111static void
112smb_iod_dead(struct smbiod *iod)
113{
114 iod->iod_state = SMBIOD_ST_DEAD;
115 smb_iod_closetran(iod);
116 smb_iod_invrq(iod);
117}
118
119static int
120smb_iod_connect(struct smbiod *iod)
121{
122 struct smb_vc *vcp = iod->iod_vc;
123 struct thread *td = iod->iod_td;
124 int error;
125
126 SMBIODEBUG("%d\n", iod->iod_state);
127 switch(iod->iod_state) {
128 case SMBIOD_ST_VCACTIVE:
129 SMBERROR("called for already opened connection\n");
130 return EISCONN;
131 case SMBIOD_ST_DEAD:
132 return ENOTCONN; /* XXX: last error code ? */
133 default:
134 break;
135 }
136 vcp->vc_genid++;
137 error = 0;
138
139 error = (int)SMB_TRAN_CREATE(vcp, td);
140 if (error)
141 goto fail;
142 SMBIODEBUG("tcreate\n");
143 if (vcp->vc_laddr) {
144 error = (int)SMB_TRAN_BIND(vcp, vcp->vc_laddr, td);
145 if (error)
146 goto fail;
147 }
148 SMBIODEBUG("tbind\n");
149 error = (int)SMB_TRAN_CONNECT(vcp, vcp->vc_paddr, td);
150 if (error)
151 goto fail;
152 SMB_TRAN_SETPARAM(vcp, SMBTP_SELECTID, &iod->iod_flags);
153 iod->iod_state = SMBIOD_ST_TRANACTIVE;
154 SMBIODEBUG("tconnect\n");
155 /* vcp->vc_mid = 0;*/
156 error = (int)smb_smb_negotiate(vcp, &iod->iod_scred);
157 if (error)
158 goto fail;
159 SMBIODEBUG("snegotiate\n");
160 error = (int)smb_smb_ssnsetup(vcp, &iod->iod_scred);
161 if (error)
162 goto fail;
163 iod->iod_state = SMBIOD_ST_VCACTIVE;
164 SMBIODEBUG("completed\n");
165 smb_iod_invrq(iod);
166 return (0);
167
168 fail:
169 smb_iod_dead(iod);
170 return (error);
171}
172
173static int
174smb_iod_disconnect(struct smbiod *iod)
175{
176 struct smb_vc *vcp = iod->iod_vc;
177
178 SMBIODEBUG("\n");
179 if (iod->iod_state == SMBIOD_ST_VCACTIVE) {
180 smb_smb_ssnclose(vcp, &iod->iod_scred);
181 iod->iod_state = SMBIOD_ST_TRANACTIVE;
182 }
183 vcp->vc_smbuid = SMB_UID_UNKNOWN;
184 smb_iod_closetran(iod);
185 iod->iod_state = SMBIOD_ST_NOTCONN;
186 return 0;
187}
188
189static int
190smb_iod_treeconnect(struct smbiod *iod, struct smb_share *ssp)
191{
192 int error;
193
194 if (iod->iod_state != SMBIOD_ST_VCACTIVE) {
195 if (iod->iod_state != SMBIOD_ST_DEAD)
196 return ENOTCONN;
197 iod->iod_state = SMBIOD_ST_RECONNECT;
198 error = smb_iod_connect(iod);
199 if (error)
200 return error;
201 }
202 SMBIODEBUG("tree reconnect\n");
203 SMBS_ST_LOCK(ssp);
204 ssp->ss_flags |= SMBS_RECONNECTING;
205 SMBS_ST_UNLOCK(ssp);
206 error = smb_smb_treeconnect(ssp, &iod->iod_scred);
207 SMBS_ST_LOCK(ssp);
208 ssp->ss_flags &= ~SMBS_RECONNECTING;
209 SMBS_ST_UNLOCK(ssp);
210 wakeup(&ssp->ss_vcgenid);
211 return error;
212}
213
214static int
215smb_iod_sendrq(struct smbiod *iod, struct smb_rq *rqp)
216{
217 struct thread *td = iod->iod_td;
218 struct smb_vc *vcp = iod->iod_vc;
219 struct smb_share *ssp = rqp->sr_share;
220 struct mbuf *m;
221 int error;
222
223 SMBIODEBUG("iod_state = %d\n", iod->iod_state);
224 switch (iod->iod_state) {
225 case SMBIOD_ST_NOTCONN:
226 smb_iod_rqprocessed(rqp, ENOTCONN);
227 return 0;
228 case SMBIOD_ST_DEAD:
229 iod->iod_state = SMBIOD_ST_RECONNECT;
230 return 0;
231 case SMBIOD_ST_RECONNECT:
232 return 0;
233 default:
234 break;
235 }
236 if (rqp->sr_sendcnt == 0) {
237#ifdef movedtoanotherplace
238 if (vcp->vc_maxmux != 0 && iod->iod_muxcnt >= vcp->vc_maxmux)
239 return 0;
240#endif
241 le16enc(rqp->sr_rqtid, ssp ? ssp->ss_tid : SMB_TID_UNKNOWN);
242 le16enc(rqp->sr_rquid, vcp ? vcp->vc_smbuid : 0);
243 mb_fixhdr(&rqp->sr_rq);
244 if (vcp->vc_hflags2 & SMB_FLAGS2_SECURITY_SIGNATURE)
245 smb_rq_sign(rqp);
246 }
247 if (rqp->sr_sendcnt++ > 5) {
248 rqp->sr_flags |= SMBR_RESTART;
249 smb_iod_rqprocessed(rqp, rqp->sr_lerror);
250 /*
251 * If all attempts to send a request failed, then
252 * something is seriously hosed.
253 */
254 return ENOTCONN;
255 }
256 SMBSDEBUG("M:%04x, P:%04x, U:%04x, T:%04x\n", rqp->sr_mid, 0, 0, 0);
257 m_dumpm(rqp->sr_rq.mb_top);
258 m = m_copym(rqp->sr_rq.mb_top, 0, M_COPYALL, M_WAIT);
259 error = rqp->sr_lerror = SMB_TRAN_SEND(vcp, m, td);
260 if (error == 0) {
261 getnanotime(&rqp->sr_timesent);
262 iod->iod_lastrqsent = rqp->sr_timesent;
263 rqp->sr_flags |= SMBR_SENT;
264 rqp->sr_state = SMBRQ_SENT;
265 return 0;
266 }
267 /*
268 * Check for fatal errors
269 */
270 if (SMB_TRAN_FATAL(vcp, error)) {
271 /*
272 * No further attempts should be made
273 */
274 return ENOTCONN;
275 }
276 if (smb_rq_intr(rqp))
277 smb_iod_rqprocessed(rqp, EINTR);
278 return 0;
279}
280
281/*
282 * Process incoming packets
283 */
284static int
285smb_iod_recvall(struct smbiod *iod)
286{
287 struct smb_vc *vcp = iod->iod_vc;
288 struct thread *td = iod->iod_td;
289 struct smb_rq *rqp;
290 struct mbuf *m;
291 u_char *hp;
292 u_short mid;
293 int error;
294
295 switch (iod->iod_state) {
296 case SMBIOD_ST_NOTCONN:
297 case SMBIOD_ST_DEAD:
298 case SMBIOD_ST_RECONNECT:
299 return 0;
300 default:
301 break;
302 }
303 for (;;) {
304 m = NULL;
305 error = SMB_TRAN_RECV(vcp, &m, td);
306 if (error == EWOULDBLOCK)
307 break;
308 if (SMB_TRAN_FATAL(vcp, error)) {
309 smb_iod_dead(iod);
310 break;
311 }
312 if (error)
313 break;
314 if (m == NULL) {
315 SMBERROR("tran return NULL without error\n");
316 error = EPIPE;
317 continue;
318 }
319 m = m_pullup(m, SMB_HDRLEN);
320 if (m == NULL)
321 continue; /* wait for a good packet */
322 /*
323 * Now we got an entire and possibly invalid SMB packet.
324 * Be careful while parsing it.
325 */
326 m_dumpm(m);
327 hp = mtod(m, u_char*);
328 if (bcmp(hp, SMB_SIGNATURE, SMB_SIGLEN) != 0) {
329 m_freem(m);
330 continue;
331 }
332 mid = SMB_HDRMID(hp);
333 SMBSDEBUG("mid %04x\n", (u_int)mid);
334 SMB_IOD_RQLOCK(iod);
335 TAILQ_FOREACH(rqp, &iod->iod_rqlist, sr_link) {
336 if (rqp->sr_mid != mid)
337 continue;
338 SMBRQ_SLOCK(rqp);
339 if (rqp->sr_rp.md_top == NULL) {
340 md_initm(&rqp->sr_rp, m);
341 } else {
342 if (rqp->sr_flags & SMBR_MULTIPACKET) {
343 md_append_record(&rqp->sr_rp, m);
344 } else {
345 SMBRQ_SUNLOCK(rqp);
346 SMBERROR("duplicate response %d (ignored)\n", mid);
347 break;
348 }
349 }
350 SMBRQ_SUNLOCK(rqp);
351 smb_iod_rqprocessed(rqp, 0);
352 break;
353 }
354 SMB_IOD_RQUNLOCK(iod);
355 if (rqp == NULL) {
356 SMBERROR("drop resp with mid %d\n", (u_int)mid);
357/* smb_printrqlist(vcp);*/
358 m_freem(m);
359 }
360 }
361 /*
362 * check for interrupts
363 */
364 SMB_IOD_RQLOCK(iod);
365 TAILQ_FOREACH(rqp, &iod->iod_rqlist, sr_link) {
366 if (smb_td_intr(rqp->sr_cred->scr_td)) {
367 smb_iod_rqprocessed(rqp, EINTR);
368 }
369 }
370 SMB_IOD_RQUNLOCK(iod);
371 return 0;
372}
373
374int
375smb_iod_request(struct smbiod *iod, int event, void *ident)
376{
377 struct smbiod_event *evp;
378 int error;
379
380 SMBIODEBUG("\n");
381 evp = smb_zmalloc(sizeof(*evp), M_SMBIOD, M_WAITOK);
382 evp->ev_type = event;
383 evp->ev_ident = ident;
384 SMB_IOD_EVLOCK(iod);
385 STAILQ_INSERT_TAIL(&iod->iod_evlist, evp, ev_link);
386 if ((event & SMBIOD_EV_SYNC) == 0) {
387 SMB_IOD_EVUNLOCK(iod);
388 smb_iod_wakeup(iod);
389 return 0;
390 }
391 smb_iod_wakeup(iod);
392 msleep(evp, SMB_IOD_EVLOCKPTR(iod), PWAIT | PDROP, "90evw", 0);
393 error = evp->ev_error;
394 free(evp, M_SMBIOD);
395 return error;
396}
397
398/*
399 * Place request in the queue.
400 * Request from smbiod have a high priority.
401 */
402int
403smb_iod_addrq(struct smb_rq *rqp)
404{
405 struct smb_vc *vcp = rqp->sr_vc;
406 struct smbiod *iod = vcp->vc_iod;
407 int error;
408
409 SMBIODEBUG("\n");
410 if (rqp->sr_cred->scr_td != NULL &&
411 rqp->sr_cred->scr_td->td_proc == iod->iod_p) {
412 rqp->sr_flags |= SMBR_INTERNAL;
413 SMB_IOD_RQLOCK(iod);
414 TAILQ_INSERT_HEAD(&iod->iod_rqlist, rqp, sr_link);
415 SMB_IOD_RQUNLOCK(iod);
416 for (;;) {
417 if (smb_iod_sendrq(iod, rqp) != 0) {
418 smb_iod_dead(iod);
419 break;
420 }
421 /*
422 * we don't need to lock state field here
423 */
424 if (rqp->sr_state != SMBRQ_NOTSENT)
425 break;
426 tsleep(&iod->iod_flags, PWAIT, "90sndw", hz);
427 }
428 if (rqp->sr_lerror)
429 smb_iod_removerq(rqp);
430 return rqp->sr_lerror;
431 }
432
433 switch (iod->iod_state) {
434 case SMBIOD_ST_NOTCONN:
435 return ENOTCONN;
436 case SMBIOD_ST_DEAD:
437 error = smb_iod_request(vcp->vc_iod, SMBIOD_EV_CONNECT | SMBIOD_EV_SYNC, NULL);
438 if (error)
439 return error;
440 return EXDEV;
441 default:
442 break;
443 }
444
445 SMB_IOD_RQLOCK(iod);
446 for (;;) {
447 if (vcp->vc_maxmux == 0) {
448 SMBERROR("maxmux == 0\n");
449 break;
450 }
451 if (iod->iod_muxcnt < vcp->vc_maxmux)
452 break;
453 iod->iod_muxwant++;
454 msleep(&iod->iod_muxwant, SMB_IOD_RQLOCKPTR(iod),
455 PWAIT, "90mux", 0);
456 }
457 iod->iod_muxcnt++;
458 TAILQ_INSERT_TAIL(&iod->iod_rqlist, rqp, sr_link);
459 SMB_IOD_RQUNLOCK(iod);
460 smb_iod_wakeup(iod);
461 return 0;
462}
463
464int
465smb_iod_removerq(struct smb_rq *rqp)
466{
467 struct smb_vc *vcp = rqp->sr_vc;
468 struct smbiod *iod = vcp->vc_iod;
469
470 SMBIODEBUG("\n");
471 if (rqp->sr_flags & SMBR_INTERNAL) {
472 SMB_IOD_RQLOCK(iod);
473 TAILQ_REMOVE(&iod->iod_rqlist, rqp, sr_link);
474 SMB_IOD_RQUNLOCK(iod);
475 return 0;
476 }
477 SMB_IOD_RQLOCK(iod);
478 while (rqp->sr_flags & SMBR_XLOCK) {
479 rqp->sr_flags |= SMBR_XLOCKWANT;
480 msleep(rqp, SMB_IOD_RQLOCKPTR(iod), PWAIT, "90xrm", 0);
481 }
482 TAILQ_REMOVE(&iod->iod_rqlist, rqp, sr_link);
483 iod->iod_muxcnt--;
484 if (iod->iod_muxwant) {
485 iod->iod_muxwant--;
486 wakeup(&iod->iod_muxwant);
487 }
488 SMB_IOD_RQUNLOCK(iod);
489 return 0;
490}
491
492int
493smb_iod_waitrq(struct smb_rq *rqp)
494{
495 struct smbiod *iod = rqp->sr_vc->vc_iod;
496 int error;
497
498 SMBIODEBUG("\n");
499 if (rqp->sr_flags & SMBR_INTERNAL) {
500 for (;;) {
501 smb_iod_sendall(iod);
502 smb_iod_recvall(iod);
503 if (rqp->sr_rpgen != rqp->sr_rplast)
504 break;
505 tsleep(&iod->iod_flags, PWAIT, "90irq", hz);
506 }
507 smb_iod_removerq(rqp);
508 return rqp->sr_lerror;
509
510 }
511 SMBRQ_SLOCK(rqp);
512 if (rqp->sr_rpgen == rqp->sr_rplast)
513 msleep(&rqp->sr_state, SMBRQ_SLOCKPTR(rqp), PWAIT, "90wrq", 0);
514 rqp->sr_rplast++;
515 SMBRQ_SUNLOCK(rqp);
516 error = rqp->sr_lerror;
517 if (rqp->sr_flags & SMBR_MULTIPACKET) {
518 /*
519 * If request should stay in the list, then reinsert it
520 * at the end of queue so other waiters have chance to concur
521 */
522 SMB_IOD_RQLOCK(iod);
523 TAILQ_REMOVE(&iod->iod_rqlist, rqp, sr_link);
524 TAILQ_INSERT_TAIL(&iod->iod_rqlist, rqp, sr_link);
525 SMB_IOD_RQUNLOCK(iod);
526 } else
527 smb_iod_removerq(rqp);
528 return error;
529}
530
531
532static int
533smb_iod_sendall(struct smbiod *iod)
534{
535 struct smb_vc *vcp = iod->iod_vc;
536 struct smb_rq *rqp;
537 struct timespec ts, tstimeout;
538 int herror;
539
540 herror = 0;
541 /*
542 * Loop through the list of requests and send them if possible
543 */
544 SMB_IOD_RQLOCK(iod);
545 TAILQ_FOREACH(rqp, &iod->iod_rqlist, sr_link) {
546 switch (rqp->sr_state) {
547 case SMBRQ_NOTSENT:
548 rqp->sr_flags |= SMBR_XLOCK;
549 SMB_IOD_RQUNLOCK(iod);
550 herror = smb_iod_sendrq(iod, rqp);
551 SMB_IOD_RQLOCK(iod);
552 rqp->sr_flags &= ~SMBR_XLOCK;
553 if (rqp->sr_flags & SMBR_XLOCKWANT) {
554 rqp->sr_flags &= ~SMBR_XLOCKWANT;
555 wakeup(rqp);
556 }
557 break;
558 case SMBRQ_SENT:
559 SMB_TRAN_GETPARAM(vcp, SMBTP_TIMEOUT, &tstimeout);
560 timespecadd(&tstimeout, &tstimeout);
561 getnanotime(&ts);
562 timespecsub(&ts, &tstimeout);
563 if (timespeccmp(&ts, &rqp->sr_timesent, >)) {
564 smb_iod_rqprocessed(rqp, ETIMEDOUT);
565 }
566 break;
567 default:
568 break;
569 }
570 if (herror)
571 break;
572 }
573 SMB_IOD_RQUNLOCK(iod);
574 if (herror == ENOTCONN)
575 smb_iod_dead(iod);
576 return 0;
577}
578
579/*
580 * "main" function for smbiod daemon
581 */
582static __inline void
583smb_iod_main(struct smbiod *iod)
584{
585/* struct smb_vc *vcp = iod->iod_vc;*/
586 struct smbiod_event *evp;
587/* struct timespec tsnow;*/
588 int error;
589
590 SMBIODEBUG("\n");
591 error = 0;
592
593 /*
594 * Check all interesting events
595 */
596 for (;;) {
597 SMB_IOD_EVLOCK(iod);
598 evp = STAILQ_FIRST(&iod->iod_evlist);
599 if (evp == NULL) {
600 SMB_IOD_EVUNLOCK(iod);
601 break;
602 }
603 STAILQ_REMOVE_HEAD(&iod->iod_evlist, ev_link);
604 evp->ev_type |= SMBIOD_EV_PROCESSING;
605 SMB_IOD_EVUNLOCK(iod);
606 switch (evp->ev_type & SMBIOD_EV_MASK) {
607 case SMBIOD_EV_CONNECT:
608 iod->iod_state = SMBIOD_ST_RECONNECT;
609 evp->ev_error = smb_iod_connect(iod);
610 break;
611 case SMBIOD_EV_DISCONNECT:
612 evp->ev_error = smb_iod_disconnect(iod);
613 break;
614 case SMBIOD_EV_TREECONNECT:
615 evp->ev_error = smb_iod_treeconnect(iod, evp->ev_ident);
616 break;
617 case SMBIOD_EV_SHUTDOWN:
618 iod->iod_flags |= SMBIOD_SHUTDOWN;
619 break;
620 case SMBIOD_EV_NEWRQ:
621 break;
622 }
623 if (evp->ev_type & SMBIOD_EV_SYNC) {
624 SMB_IOD_EVLOCK(iod);
625 wakeup(evp);
626 SMB_IOD_EVUNLOCK(iod);
627 } else
628 free(evp, M_SMBIOD);
629 }
630#if 0
631 if (iod->iod_state == SMBIOD_ST_VCACTIVE) {
632 getnanotime(&tsnow);
633 timespecsub(&tsnow, &iod->iod_pingtimo);
634 if (timespeccmp(&tsnow, &iod->iod_lastrqsent, >)) {
635 smb_smb_echo(vcp, &iod->iod_scred);
636 }
637 }
638#endif
639 smb_iod_sendall(iod);
640 smb_iod_recvall(iod);
641 return;
642}
643
644void
645smb_iod_thread(void *arg)
646{
647 struct smbiod *iod = arg;
648
649 mtx_lock(&Giant);
650
651 /*
652 * Here we assume that the thread structure will be the same
653 * for an entire kthread (kproc, to be more precise) life.
654 */
655 iod->iod_td = curthread;
656 smb_makescred(&iod->iod_scred, iod->iod_td, NULL);
657 while ((iod->iod_flags & SMBIOD_SHUTDOWN) == 0) {
658 smb_iod_main(iod);
659 SMBIODEBUG("going to sleep for %d ticks\n", iod->iod_sleeptimo);
660 if (iod->iod_flags & SMBIOD_SHUTDOWN)
661 break;
662 tsleep(&iod->iod_flags, PWAIT, "90idle", iod->iod_sleeptimo);
663 }
664 mtx_unlock(&Giant);
665 kproc_exit(0);
666}
667
668int
669smb_iod_create(struct smb_vc *vcp)
670{
671 struct smbiod *iod;
672 int error;
673
674 iod = smb_zmalloc(sizeof(*iod), M_SMBIOD, M_WAITOK);
675 iod->iod_id = smb_iod_next++;
676 iod->iod_state = SMBIOD_ST_NOTCONN;
677 iod->iod_vc = vcp;
678 iod->iod_sleeptimo = hz * SMBIOD_SLEEP_TIMO;
679 iod->iod_pingtimo.tv_sec = SMBIOD_PING_TIMO;
680 getnanotime(&iod->iod_lastrqsent);
681 vcp->vc_iod = iod;
682 smb_sl_init(&iod->iod_rqlock, "90rql");
683 TAILQ_INIT(&iod->iod_rqlist);
684 smb_sl_init(&iod->iod_evlock, "90evl");
685 STAILQ_INIT(&iod->iod_evlist);
686 error = kproc_create(smb_iod_thread, iod, &iod->iod_p,
687 RFNOWAIT, 0, "smbiod%d", iod->iod_id);
688 if (error) {
689 SMBERROR("can't start smbiod: %d", error);
690 free(iod, M_SMBIOD);
691 return error;
692 }
693 return 0;
694}
695
696int
697smb_iod_destroy(struct smbiod *iod)
698{
699 smb_iod_request(iod, SMBIOD_EV_SHUTDOWN | SMBIOD_EV_SYNC, NULL);
700 smb_sl_destroy(&iod->iod_rqlock);
701 smb_sl_destroy(&iod->iod_evlock);
702 free(iod, M_SMBIOD);
703 return 0;
704}
705
706int
707smb_iod_init(void)
708{
709 return 0;
710}
711
712int
713smb_iod_done(void)
714{
715 return 0;
716}
717
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