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fetch.9: Minor fixes.
[dragonfly.git] / sys / netproto / atm / uni / unisig_if.c
blobe2347765dd8c991705e8e1b87c98b6f72520a868
1 /*
2 *
3 * ===================================
4 * HARP | Host ATM Research Platform
5 * ===================================
6 *
7 *
8 * This Host ATM Research Platform ("HARP") file (the "Software") is
9 * made available by Network Computing Services, Inc. ("NetworkCS")
10 * "AS IS". NetworkCS does not provide maintenance, improvements or
11 * support of any kind.
12 *
13 * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
14 * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
15 * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
16 * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
17 * In no event shall NetworkCS be responsible for any damages, including
18 * but not limited to consequential damages, arising from or relating to
19 * any use of the Software or related support.
20 *
21 * Copyright 1994-1998 Network Computing Services, Inc.
22 *
23 * Copies of this Software may be made, however, the above copyright
24 * notice must be reproduced on all copies.
25 *
26 * @(#) $FreeBSD: src/sys/netatm/uni/unisig_if.c,v 1.8 2000/01/17 20:49:56 mks Exp $
27 * @(#) $DragonFly: src/sys/netproto/atm/uni/unisig_if.c,v 1.9 2006/12/20 18:14:43 dillon Exp $
28 */
29
30 /*
31 * ATM Forum UNI 3.0/3.1 Signalling Manager
32 * ----------------------------------------
33 *
34 * System interface module
35 *
36 */
37
38 #include <netproto/atm/kern_include.h>
39
40 #include <netproto/atm/ipatm/ipatm_var.h>
41 #include <netproto/atm/ipatm/ipatm_serv.h>
42 #include "uniip_var.h"
43
44 #include "unisig.h"
45 #include "unisig_var.h"
46 #include "unisig_msg.h"
47
48 /*
49 * Global variables
50 */
51 struct sp_info unisig_vcpool = {
52 "unisig vcc pool", /* si_name */
53 sizeof(struct unisig_vccb), /* si_blksiz */
54 10, /* si_blkcnt */
55 50 /* si_maxallow */
56 };
57
58 struct sp_info unisig_msgpool = {
59 "unisig message pool", /* si_name */
60 sizeof(struct unisig_msg), /* si_blksiz */
61 10, /* si_blkcnt */
62 50 /* si_maxallow */
63 };
64
65 struct sp_info unisig_iepool = {
66 "unisig ie pool", /* si_name */
67 sizeof(struct ie_generic), /* si_blksiz */
68 10, /* si_blkcnt */
69 50 /* si_maxallow */
70 };
71
72
73 /*
74 * Local functions
75 */
76 static int unisig_attach (struct sigmgr *, struct atm_pif *);
77 static int unisig_detach (struct atm_pif *);
78 static int unisig_setup (Atm_connvc *, int *);
79 static int unisig_release (struct vccb *, int *);
80 static int unisig_accept (struct vccb *, int *);
81 static int unisig_reject (struct vccb *, int *);
82 static int unisig_abort (struct vccb *);
83 static int unisig_ioctl (int, caddr_t, caddr_t);
84
85
86 /*
87 * Local variables
88 */
89 static struct sigmgr unisig_mgr30 = {
90 NULL,
91 ATM_SIG_UNI30,
92 NULL,
93 unisig_attach,
94 unisig_detach,
95 unisig_setup,
96 unisig_accept,
97 unisig_reject,
98 unisig_release,
99 unisig_free,
100 unisig_ioctl
101 };
102
103 static struct sigmgr unisig_mgr31 = {
104 NULL,
105 ATM_SIG_UNI31,
106 NULL,
107 unisig_attach,
108 unisig_detach,
109 unisig_setup,
110 unisig_accept,
111 unisig_reject,
112 unisig_release,
113 unisig_free,
114 unisig_ioctl
115 };
116
117
118 /*
119 * Initialize UNISIG processing
120 *
121 * This will be called during module loading. We'll just register
122 * the UNISIG protocol descriptor and wait for a UNISIG ATM interface
123 * to come online.
124 *
125 * Arguments:
126 * none
127 *
128 * Returns:
129 * 0 startup was successful
130 * errno startup failed - reason indicated
131 *
132 */
133 int
134 unisig_start(void)
135 {
136 int err = 0;
137
138 /*
139 * Verify software version
140 */
141 if (atm_version != ATM_VERSION) {
142 log(LOG_ERR, "version mismatch: unisig=%d.%d kernel=%d.%d\n",
143 ATM_VERS_MAJ(ATM_VERSION),
144 ATM_VERS_MIN(ATM_VERSION),
145 ATM_VERS_MAJ(atm_version),
146 ATM_VERS_MIN(atm_version));
147 return (EINVAL);
148 }
149
150 /*
151 * Register ourselves with system
152 */
153 err = atm_sigmgr_register(&unisig_mgr30);
154 if (err)
155 goto done;
156
157 err = atm_sigmgr_register(&unisig_mgr31);
158
159 done:
160 return (err);
161 }
162
163
164 /*
165 * Halt UNISIG processing
166 *
167 * This should be called just prior to unloading the module from
168 * memory. All UNISIG interfaces must be deregistered before the
169 * protocol can be shutdown.
170 *
171 * Arguments:
172 * none
173 *
174 * Returns:
175 * 0 startup was successful
176 * errno startup failed - reason indicated
177 *
178 */
179 int
180 unisig_stop(void)
181 {
182 int err = 0;
183
184 crit_enter();
185
186 /*
187 * Any protocol instances still registered?
188 */
189 if ((unisig_mgr30.sm_prinst != NULL) ||
190 (unisig_mgr31.sm_prinst != NULL)) {
191
192 /* Yes, can't stop now */
193 err = EBUSY;
194 goto done;
195 }
196
197 /*
198 * De-register from system
199 */
200 atm_sigmgr_deregister(&unisig_mgr30);
201 atm_sigmgr_deregister(&unisig_mgr31);
202
203 /*
204 * Free up our storage pools
205 */
206 atm_release_pool(&unisig_vcpool);
207 atm_release_pool(&unisig_msgpool);
208 atm_release_pool(&unisig_iepool);
209
210 done:
211 crit_exit();
212 return (err);
213 }
214
215
216 /*
217 * Attach a UNISIG-controlled interface
218 *
219 * Each ATM physical interface must be attached with the signalling
220 * manager for the interface's signalling protocol (via the
221 * atm_sigmgr_attach function). This function will handle the
222 * attachment for UNISIG-controlled interfaces. A new UNISIG protocol
223 * instance will be created and then we'll just sit around waiting for
224 * status or connection requests.
225 *
226 * Function must be called from a critical section.
227 *
228 * Arguments:
229 * smp pointer to UNISIG signalling manager control block
230 * pip pointer to ATM physical interface control block
231 *
232 * Returns:
233 * 0 attach successful
234 * errno attach failed - reason indicated
235 *
236 */
237 static int
238 unisig_attach(struct sigmgr *smp, struct atm_pif *pip)
239 {
240 int err = 0;
241 struct unisig *usp = NULL;
242
243 ATM_DEBUG2("unisig_attach: smp=%p, pip=%p\n", smp, pip);
244
245 /*
246 * Allocate UNISIG protocol instance control block
247 */
248 usp = KM_ALLOC(sizeof(struct unisig), M_DEVBUF, M_INTWAIT | M_NULLOK);
249 if (usp == NULL) {
250 err = ENOMEM;
251 goto done;
252 }
253 KM_ZERO(usp, sizeof(struct unisig));
254
255 /*
256 * Set state in UNISIG protocol instance control block
257 */
258 usp->us_state = UNISIG_NULL;
259 usp->us_proto = smp->sm_proto;
260
261 /*
262 * Set initial call reference allocation value
263 */
264 usp->us_cref = 1;
265
266 /*
267 * Link instance into manager's chain
268 */
269 LINK2TAIL((struct siginst *)usp, struct siginst, smp->sm_prinst,
270 si_next);
271
272 /*
273 * Link in interface
274 */
275 usp->us_pif = pip;
276 crit_enter();
277 pip->pif_sigmgr = smp;
278 pip->pif_siginst = (struct siginst *) usp;
279 crit_exit();
280
281 /*
282 * Clear our ATM address. The address will be set by user
283 * command or by registration via ILMI.
284 */
285 usp->us_addr.address_format = T_ATM_ABSENT;
286 usp->us_addr.address_length = 0;
287 usp->us_subaddr.address_format = T_ATM_ABSENT;
288 usp->us_subaddr.address_length = 0;
289
290 /*
291 * Set pointer to IP
292 */
293 usp->us_ipserv = &uniip_ipserv;
294
295 /*
296 * Kick-start the UNISIG protocol
297 */
298 UNISIG_TIMER(usp, 0);
299
300 /*
301 * Log the fact that we've attached
302 */
303 log(LOG_INFO, "unisig: attached to interface %s%d\n",
304 pip->pif_name, pip->pif_unit);
305
306 done:
307 /*
308 * Reset our work if attach fails
309 */
310 if (err) {
311 if (usp) {
312 UNISIG_CANCEL(usp);
313 UNLINK((struct siginst *)usp, struct siginst,
314 smp->sm_prinst, si_next);
315 KM_FREE(usp, sizeof(struct unisig), M_DEVBUF);
316 }
317 crit_enter();
318 pip->pif_sigmgr = NULL;
319 pip->pif_siginst = NULL;
320 crit_exit();
321 }
322
323 return (err);
324 }
325
326
327 /*
328 * Detach a UNISIG-controlled interface
329 *
330 * Each ATM physical interface may be detached from its signalling
331 * manager (via the atm_sigmgr_detach function). This function will
332 * handle the detachment for all UNISIG-controlled interfaces. All
333 * circuits will be immediately terminated.
334 *
335 * Function must be called from a critical section.
336 *
337 * Arguments:
338 * pip pointer to ATM physical interface control block
339 *
340 * Returns:
341 * 0 detach successful
342 * errno detach failed - reason indicated
343 *
344 */
345 static int
346 unisig_detach(struct atm_pif *pip)
347 {
348 struct unisig *usp;
349 int err;
350
351 ATM_DEBUG1("unisig_detach: pip=%p\n", pip);
352
353 /*
354 * Get UNISIG protocol instance
355 */
356 usp = (struct unisig *)pip->pif_siginst;
357
358 /*
359 * Return an error if we're already detaching
360 */
361 if (usp->us_state == UNISIG_DETACH) {
362 return(EALREADY);
363 }
364
365 /*
366 * Pass the detach event to the signalling manager
367 * state machine
368 */
369 err = unisig_sigmgr_state(usp, UNISIG_SIGMGR_DETACH, NULL);
370
371 /*
372 * Log the fact that we've detached
373 */
374 if (!err)
375 log(LOG_INFO, "unisig: detached from interface %s%d\n",
376 pip->pif_name, pip->pif_unit);
377
378 return (0);
379 }
380
381
382 /*
383 * Open a UNISIG ATM Connection
384 *
385 * All service user requests to open a VC connection (via
386 * atm_open_connection) over an ATM interface attached to the UNISIG
387 * signalling manager are handled here.
388 *
389 * Function will be called from a critical section.
390 *
391 * Arguments:
392 * cvp pointer to user's requested connection parameters
393 * errp pointer to an int for extended error information
394 *
395 * Returns:
396 * CALL_PROCEEDING connection establishment is in progress
397 * CALL_FAILED connection establishment failed
398 * CALL_CONNECTED connection has been successfully established
399 *
400 */
401 static int
402 unisig_setup(Atm_connvc *cvp, int *errp)
403 {
404 struct atm_pif *pip = cvp->cvc_attr.nif->nif_pif;
405 struct unisig *usp = (struct unisig *)pip->pif_siginst;
406 int rc = 0;
407
408 ATM_DEBUG1("unisig_setup: cvp=%p\n", cvp);
409
410 /*
411 * Intialize the returned error code
412 */
413 *errp = 0;
414
415 /*
416 * Open the connection
417 */
418 switch (cvp->cvc_attr.called.addr.address_format) {
419 case T_ATM_PVC_ADDR:
420 /*
421 * Create a PVC
422 */
423 *errp = unisig_open_vcc(usp, cvp);
424 rc = (*errp ? CALL_FAILED : CALL_CONNECTED);
425 break;
426
427 case T_ATM_ENDSYS_ADDR:
428 case T_ATM_E164_ADDR:
429
430 /*
431 * Create an SVC
432 */
433 *errp = unisig_open_vcc(usp, cvp);
434 rc = (*errp ? CALL_FAILED : CALL_PROCEEDING);
435 break;
436
437 default:
438 *errp = EPROTONOSUPPORT;
439 rc = CALL_FAILED;
440 }
441
442 return (rc);
443 }
444
445
446 /*
447 * Close a UNISIG ATM Connection
448 *
449 * All service user requests to terminate a previously open VC
450 * connection (via the atm_close_connection function), which is running
451 * over an interface attached to the UNISIG signalling manager, are
452 * handled here.
453 *
454 * Function will be called from a critical section.
455 *
456 * Arguments:
457 * vcp pointer to connection's VC control block
458 * errp pointer to an int for extended error information
459 *
460 * Returns:
461 * CALL_PROCEEDING connection termination is in progress
462 * CALL_FAILED connection termination failed
463 * CALL_CLEARED connection has been successfully terminated
464 *
465 */
466 static int
467 unisig_release(struct vccb *vcp, int *errp)
468 {
469 int rc = 0;
470 struct atm_pif *pip = vcp->vc_pif;
471 struct unisig *usp = (struct unisig *)pip->pif_siginst;
472
473 ATM_DEBUG1("unisig_release: vcp=%p\n", vcp);
474
475 /*
476 * Initialize returned error code
477 */
478 *errp = 0;
479
480 /*
481 * Validate the connection type (PVC or SVC)
482 */
483 if (!(vcp->vc_type & (VCC_PVC | VCC_SVC))) {
484 *errp = EPROTONOSUPPORT;
485 return(CALL_FAILED);
486 }
487
488 /*
489 * Close the VCCB
490 */
491 *errp = unisig_close_vcc(usp, (struct unisig_vccb *)vcp);
492
493 /*
494 * Set the return code
495 */
496 if (*errp) {
497 rc = CALL_FAILED;
498 } else if (vcp->vc_sstate == UNI_NULL ||
499 vcp->vc_sstate == UNI_FREE) {
500 rc = CALL_CLEARED;
501 } else {
502 rc = CALL_PROCEEDING;
503 }
504
505 return (rc);
506 }
507
508
509 /*
510 * Accept a UNISIG Open from a remote host
511 *
512 * A user calls this routine (via the atm_accept_call function)
513 * after it is notified that an open request was received for it.
514 *
515 * Function will be called from a critical section.
516 *
517 * Arguments:
518 * vcp pointer to user's VCCB
519 * errp pointer to an int for extended error information
520 *
521 * Returns:
522 * CALL_PROCEEDING connection establishment is in progress
523 * CALL_FAILED connection establishment failed
524 * CALL_CONNECTED connection has been successfully established
525 *
526 */
527 static int
528 unisig_accept(struct vccb *vcp, int *errp)
529 {
530 struct unisig_vccb *uvp = (struct unisig_vccb *)vcp;
531 struct atm_pif *pip = uvp->uv_pif;
532 struct unisig *usp = (struct unisig *)pip->pif_siginst;
533
534 ATM_DEBUG1("unisig_accept: vcp=%p\n", vcp);
535
536 /*
537 * Initialize the returned error code
538 */
539 *errp = 0;
540
541 /*
542 * Return an error if we're detaching
543 */
544 if (usp->us_state == UNISIG_DETACH) {
545 *errp = ENETDOWN;
546 goto free;
547 }
548
549 /*
550 * Return an error if we lost the connection
551 */
552 if (uvp->uv_sstate == UNI_FREE) {
553 *errp = ENETDOWN;
554 goto free;
555 }
556
557 /*
558 * Pass the acceptance to the VC state machine
559 */
560 *errp = unisig_vc_state(usp, uvp, UNI_VC_ACCEPT_CALL, NULL);
561 if (*errp)
562 goto failed;
563
564 return(CALL_PROCEEDING);
565
566 failed:
567 /*
568 * On error, free the VCCB and return CALL_FAILED
569 */
570
571 free:
572 uvp->uv_sstate = UNI_FREE;
573 uvp->uv_ustate = VCCU_CLOSED;
574 DEQUEUE(uvp, struct unisig_vccb, uv_sigelem, usp->us_vccq);
575 unisig_free((struct vccb *)uvp);
576
577 return(CALL_FAILED);
578 }
579
580
581 /*
582 * Reject a UNISIG Open from a remote host
583 *
584 * A user calls this routine (via the atm_reject_call function)
585 * after it is notified that an open request was received for it.
586 *
587 * Function will be called from a critical section.
588 *
589 * Arguments:
590 * uvp pointer to user's VCCB
591 * errp pointer to an int for extended error information
592 *
593 * Returns:
594 * CALL_CLEARED call request rejected
595 * CALL_FAILED call rejection failed
596 *
597 */
598 static int
599 unisig_reject(struct vccb *vcp, int *errp)
600 {
601 struct unisig_vccb *uvp = (struct unisig_vccb *)vcp;
602 struct atm_pif *pip = uvp->uv_pif;
603 struct unisig *usp = (struct unisig *)pip->pif_siginst;
604
605 ATM_DEBUG1("unisig_reject: uvp=%p\n", uvp);
606
607 /*
608 * Initialize the returned error code
609 */
610 *errp = 0;
611
612
613 /*
614 * Return an error if we're detaching
615 */
616 if (usp->us_state == UNISIG_DETACH) {
617 *errp = ENETDOWN;
618 goto failed;
619 }
620
621 /*
622 * Call the VC state machine
623 */
624 *errp = unisig_vc_state(usp, uvp, UNI_VC_REJECT_CALL, NULL);
625 if (*errp)
626 goto failed;
627
628 return(CALL_CLEARED);
629
630 failed:
631 /*
632 * On error, free the VCCB and return CALL_FAILED
633 */
634 uvp->uv_sstate = UNI_FREE;
635 uvp->uv_ustate = VCCU_CLOSED;
636 DEQUEUE(uvp, struct unisig_vccb, uv_sigelem, usp->us_vccq);
637 unisig_free((struct vccb *)uvp);
638 return(CALL_FAILED);
639 }
640
641
642 /*
643 * Abort a UNISIG ATM Connection
644 *
645 * All (non-user) requests to abort a previously open VC connection (via
646 * the atm_abort_connection function), which is running over an
647 * interface attached to the UNISIG signalling manager, are handled here.
648 * The VCC owner will be notified of the request, in order to initiate
649 * termination of the connection.
650 *
651 * Function will be called from a critical section.
652 *
653 * Arguments:
654 * vcp pointer to connection's VC control block
655 *
656 * Returns:
657 * 0 connection release was successful
658 * errno connection release failed - reason indicated
659 *
660 */
661 static int
662 unisig_abort(struct vccb *vcp)
663 {
664
665 ATM_DEBUG1("unisig_abort: vcp=%p\n", vcp);
666
667 /*
668 * Only abort once
669 */
670 if (vcp->vc_ustate == VCCU_ABORT) {
671 return (EALREADY);
672 }
673
674 /*
675 * Cancel any timer that might be running
676 */
677 UNISIG_VC_CANCEL(vcp);
678
679 /*
680 * Set immediate timer to schedule connection termination
681 */
682 vcp->vc_ustate = VCCU_ABORT;
683 UNISIG_VC_TIMER(vcp, 0);
684
685 return (0);
686 }
687
688
689 /*
690 * Free UNISIG ATM connection resources
691 *
692 * All service user requests to free the resources of a closed VCC
693 * connection (via the atm_free_connection function), which is running
694 * over an interface attached to the UNISIG signalling manager, are
695 *handled here.
696 *
697 * Function will be called from a critical section.
698 *
699 * Arguments:
700 * vcp pointer to connection's VC control block
701 *
702 * Returns:
703 * 0 connection free was successful
704 * errno connection free failed - reason indicated
705 *
706 */
707 int
708 unisig_free(struct vccb *vcp)
709 {
710 struct atm_pif *pip = vcp->vc_pif;
711 struct unisig *usp = (struct unisig *)pip->pif_siginst;
712
713 ATM_DEBUG1("unisig_free: vcp = %p\n", vcp);
714
715 /*
716 * Make sure VCC has been closed
717 */
718 if ((vcp->vc_ustate != VCCU_CLOSED &&
719 vcp->vc_ustate != VCCU_ABORT) ||
720 vcp->vc_sstate != UNI_FREE) {
721 ATM_DEBUG2("unisig_free: bad state, sstate=%d, ustate=%d\n",
722 vcp->vc_sstate, vcp->vc_ustate);
723 return(EEXIST);
724 }
725
726 /*
727 * Remove VCCB from protocol queue
728 */
729 DEQUEUE(vcp, struct vccb, vc_sigelem, usp->us_vccq);
730
731 /*
732 * Free VCCB storage
733 */
734 vcp->vc_ustate = VCCU_NULL;
735 vcp->vc_sstate = UNI_NULL;
736 atm_free((caddr_t)vcp);
737
738 /*
739 * If we're detaching and this was the last VCC queued,
740 * get rid of the protocol instance
741 */
742 if ((usp->us_state == UNISIG_DETACH) &&
743 (Q_HEAD(usp->us_vccq, struct vccb) == NULL)) {
744 struct sigmgr *smp = pip->pif_sigmgr;
745
746 crit_enter();
747 pip->pif_sigmgr = NULL;
748 pip->pif_siginst = NULL;
749 crit_exit();
750
751 UNLINK((struct siginst *)usp, struct siginst,
752 smp->sm_prinst, si_next);
753 KM_FREE(usp, sizeof(struct unisig), M_DEVBUF);
754 }
755
756 return (0);
757 }
758
759
760 /*
761 * UNISIG IOCTL support
762 *
763 * Function will be called from a critical section.
764 *
765 * Arguments:
766 * code PF_ATM sub-operation code
767 * data pointer to code specific parameter data area
768 * arg1 pointer to code specific argument
769 *
770 * Returns:
771 * 0 request procesed
772 * errno error processing request - reason indicated
773 *
774 */
775 static int
776 unisig_ioctl(int code, caddr_t data, caddr_t arg1)
777 {
778 struct atmdelreq *adp;
779 struct atminfreq *aip;
780 struct atmsetreq *asp;
781 struct unisig *usp;
782 struct unisig_vccb *uvp;
783 struct air_vcc_rsp rsp;
784 struct atm_pif *pip;
785 Atm_connection *cop;
786 u_int vpi, vci;
787 int err = 0, buf_len, i;
788 caddr_t buf_addr;
789
790 ATM_DEBUG1("unisig_ioctl: code=%d\n", code);
791
792 switch (code) {
793
794 case AIOCS_DEL_PVC:
795 case AIOCS_DEL_SVC:
796 /*
797 * Delete a VCC
798 */
799 adp = (struct atmdelreq *)data;
800 usp = (struct unisig *)arg1;
801
802 /*
803 * Don't let a user close the UNISIG signalling VC
804 */
805 vpi = adp->adr_pvc_vpi;
806 vci = adp->adr_pvc_vci;
807 if ((vpi == UNISIG_SIG_VPI && vci == UNISIG_SIG_VCI))
808 return(EINVAL);
809
810 /*
811 * Find requested VCC
812 */
813 for (uvp = Q_HEAD(usp->us_vccq, struct unisig_vccb); uvp;
814 uvp = Q_NEXT(uvp, struct unisig_vccb, uv_sigelem)) {
815 if ((uvp->uv_vpi == vpi) && (uvp->uv_vci == vci))
816 break;
817 }
818 if (uvp == NULL)
819 return (ENOENT);
820
821 /*
822 * Check VCC type
823 */
824 switch (code) {
825 case AIOCS_DEL_PVC:
826 if (!(uvp->uv_type & VCC_PVC)) {
827 return(EINVAL);
828 }
829 break;
830 case AIOCS_DEL_SVC:
831 if (!(uvp->uv_type & VCC_SVC)) {
832 return(EINVAL);
833 }
834 break;
835 }
836
837 /*
838 * Schedule VCC termination
839 */
840 unisig_cause_attr_from_user(&uvp->uv_connvc->cvc_attr,
841 T_ATM_CAUSE_UNSPECIFIED_NORMAL);
842 err = unisig_abort((struct vccb *)uvp);
843 break;
844
845 case AIOCS_INF_VCC:
846 /*
847 * Return VCC information
848 */
849 aip = (struct atminfreq *)data;
850 usp = (struct unisig *)arg1;
851
852 buf_addr = aip->air_buf_addr;
853 buf_len = aip->air_buf_len;
854
855 /*
856 * Loop through the VCC queue
857 */
858 for (uvp = Q_HEAD(usp->us_vccq, struct unisig_vccb); uvp;
859 uvp = Q_NEXT(uvp, struct unisig_vccb, uv_sigelem)) {
860 /*
861 * Make sure there's room in the user's buffer
862 */
863 if (buf_len < sizeof(rsp)) {
864 err = ENOSPC;
865 break;
866 }
867
868 /*
869 * Fill out the response struct for the VCC
870 */
871 ksnprintf(rsp.avp_intf,
872 sizeof(rsp.avp_intf), "%s%d",
873 usp->us_pif->pif_name,
874 usp->us_pif->pif_unit);
875 rsp.avp_vpi = uvp->uv_vpi;
876 rsp.avp_vci = uvp->uv_vci;
877 rsp.avp_type = uvp->uv_type;
878 rsp.avp_aal = uvp->uv_connvc->cvc_attr.aal.type;
879 rsp.avp_sig_proto = uvp->uv_proto;
880 cop = uvp->uv_connvc->cvc_conn;
881 if (cop)
882 rsp.avp_encaps = cop->co_mpx;
883 else
884 rsp.avp_encaps = 0;
885 rsp.avp_state = uvp->uv_sstate;
886 if (uvp->uv_connvc->cvc_flags & CVCF_CALLER) {
887 rsp.avp_daddr = uvp->uv_connvc->cvc_attr.called.addr;
888 } else {
889 rsp.avp_daddr = uvp->uv_connvc->cvc_attr.calling.addr;
890 }
891 rsp.avp_dsubaddr.address_format = T_ATM_ABSENT;
892 rsp.avp_dsubaddr.address_length = 0;
893 rsp.avp_ipdus = uvp->uv_ipdus;
894 rsp.avp_opdus = uvp->uv_opdus;
895 rsp.avp_ibytes = uvp->uv_ibytes;
896 rsp.avp_obytes = uvp->uv_obytes;
897 rsp.avp_ierrors = uvp->uv_ierrors;
898 rsp.avp_oerrors = uvp->uv_oerrors;
899 rsp.avp_tstamp = uvp->uv_tstamp;
900 KM_ZERO(rsp.avp_owners,
901 sizeof(rsp.avp_owners));
902 for (i = 0; cop && i < sizeof(rsp.avp_owners);
903 cop = cop->co_next,
904 i += T_ATM_APP_NAME_LEN+1) {
905 strncpy(&rsp.avp_owners[i],
906 cop->co_endpt->ep_getname(cop->co_toku),
907 T_ATM_APP_NAME_LEN);
908 }
909
910 /*
911 * Copy the response into the user's buffer
912 */
913 if ((err = copyout((caddr_t)&rsp, buf_addr,
914 sizeof(rsp))) != 0)
915 break;
916 buf_addr += sizeof(rsp);
917 buf_len -= sizeof(rsp);
918 }
919
920 /*
921 * Update the buffer pointer and length
922 */
923 aip->air_buf_addr = buf_addr;
924 aip->air_buf_len = buf_len;
925 break;
926
927 case AIOCS_INF_ARP:
928 case AIOCS_INF_ASV:
929 case AIOCS_SET_ASV:
930 /*
931 * Get ARP table information or get/set ARP server address
932 */
933 err = uniarp_ioctl(code, data, arg1);
934 break;
935
936 case AIOCS_SET_PRF:
937 /*
938 * Set NSAP prefix
939 */
940 asp = (struct atmsetreq *)data;
941 usp = (struct unisig *)arg1;
942 pip = usp->us_pif;
943 if (usp->us_addr.address_format != T_ATM_ABSENT) {
944 if (KM_CMP(asp->asr_prf_pref, usp->us_addr.address,
945 sizeof(asp->asr_prf_pref)) != 0)
946 err = EALREADY;
947 break;
948 }
949 usp->us_addr.address_format = T_ATM_ENDSYS_ADDR;
950 usp->us_addr.address_length = sizeof(Atm_addr_nsap);
951 KM_COPY(&pip->pif_macaddr,
952 ((Atm_addr_nsap *)usp->us_addr.address)->aan_esi,
953 sizeof(pip->pif_macaddr));
954 KM_COPY((caddr_t) asp->asr_prf_pref,
955 &((Atm_addr_nsap *)usp->us_addr.address)->aan_afi,
956 sizeof(asp->asr_prf_pref));
957 log(LOG_INFO, "uni: set address %s on interface %s\n",
958 unisig_addr_print(&usp->us_addr),
959 asp->asr_prf_intf);
960
961 /*
962 * Pass event to signalling manager state machine
963 */
964 err = unisig_sigmgr_state(usp, UNISIG_SIGMGR_ADDR_SET, NULL);
965
966 /*
967 * Clean up if there was an error
968 */
969 if (err) {
970 usp->us_addr.address_format = T_ATM_ABSENT;
971 usp->us_addr.address_length = 0;
972 break;
973 }
974
975 /*
976 * Inform ARP code of new address
977 */
978 uniarp_ifaddr((struct siginst *)usp);
979 break;
980
981 default:
982 err = EOPNOTSUPP;
983 }
984
985 return (err);
986 }
DragonFly BSD