?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Fix malloc->kmalloc leftover to fix kernel without VGA_NO_MODE_CHANGE
[dragonfly.git] / sys / netproto / atm / atm_socket.c
blobaa85b3ccf8a7031fdb4ef7ba1bdd0556a19a14a7
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/atm_socket.c,v 1.4 1999/08/28 00:48:37 peter Exp $
27 * @(#) $DragonFly: src/sys/netproto/atm/atm_socket.c,v 1.8 2006/01/14 13:36:39 swildner Exp $
28 */
29
30 /*
31 * Core ATM Services
32 * -----------------
33 *
34 * ATM common socket protocol processing
35 *
36 */
37
38 #include "kern_include.h"
39
40 /*
41 * Local functions
42 */
43
44
45 /*
46 * Local variables
47 */
48 static struct sp_info atm_pcb_pool = {
49 "atm pcb pool", /* si_name */
50 sizeof(Atm_pcb), /* si_blksiz */
51 10, /* si_blkcnt */
52 100 /* si_maxallow */
53 };
54
55 static struct t_atm_cause atm_sock_cause = {
56 T_ATM_ITU_CODING,
57 T_ATM_LOC_USER,
58 T_ATM_CAUSE_UNSPECIFIED_NORMAL,
59 {0, 0, 0, 0}
60 };
61
62
63 /*
64 * Allocate resources for a new ATM socket
65 *
66 * Called at splnet.
67 *
68 * Arguments:
69 * so pointer to socket
70 * send socket send buffer maximum
71 * recv socket receive buffer maximum
72 *
73 * Returns:
74 * 0 attach successful
75 * errno attach failed - reason indicated
76 *
77 */
78 int
79 atm_sock_attach(struct socket *so, u_long send, u_long recv, struct rlimit *rl)
80 {
81 Atm_pcb *atp = sotoatmpcb(so);
82 int err;
83
84 /*
85 * Make sure initialization has happened
86 */
87 if (!atm_init)
88 atm_initialize();
89
90 /*
91 * Make sure we're not already attached
92 */
93 if (atp)
94 return (EISCONN);
95
96 /*
97 * Reserve socket buffer space, if not already done
98 */
99 if ((so->so_snd.sb_hiwat == 0) || (so->so_rcv.sb_hiwat == 0)) {
100 err = soreserve(so, send, recv, rl);
101 if (err)
102 return (err);
103 }
104
105 /*
106 * Allocate and initialize our control block
107 */
108 atp = (Atm_pcb *)atm_allocate(&atm_pcb_pool);
109 if (atp == NULL)
110 return (ENOMEM);
111
112 atp->atp_socket = so;
113 so->so_pcb = (caddr_t)atp;
114 return (0);
115 }
116
117
118 /*
119 * Detach from socket and free resources
120 *
121 * Called at splnet.
122 *
123 * Arguments:
124 * so pointer to socket
125 *
126 * Returns:
127 * 0 detach successful
128 * errno detach failed - reason indicated
129 *
130 */
131 int
132 atm_sock_detach(struct socket *so)
133 {
134 Atm_pcb *atp = sotoatmpcb(so);
135
136 /*
137 * Make sure we're still attached
138 */
139 if (atp == NULL)
140 return (ENOTCONN);
141
142 /*
143 * Terminate any (possibly pending) connection
144 */
145 if (atp->atp_conn) {
146 atm_sock_disconnect(so);
147 }
148
149 /*
150 * Break links and free control blocks
151 */
152 so->so_pcb = NULL;
153 sofree(so);
154
155 atm_free((caddr_t)atp);
156
157 return (0);
158 }
159
160
161 /*
162 * Bind local address to socket
163 *
164 * Called at splnet.
165 *
166 * Arguments:
167 * so pointer to socket
168 * addr pointer to protocol address
169 *
170 * Returns:
171 * 0 request processed
172 * errno error processing request - reason indicated
173 *
174 */
175 int
176 atm_sock_bind(struct socket *so, struct sockaddr *addr)
177 {
178 Atm_pcb *atp = sotoatmpcb(so);
179 Atm_attributes attr;
180 struct sockaddr_atm *satm;
181 struct t_atm_sap_addr *sapadr;
182 struct t_atm_sap_layer2 *sapl2;
183 struct t_atm_sap_layer3 *sapl3;
184 struct t_atm_sap_appl *sapapl;
185
186 /*
187 * Make sure we're still attached
188 */
189 if (atp == NULL)
190 return (ENOTCONN);
191
192 /*
193 * Can't change local address once we've started connection process
194 */
195 if (atp->atp_conn != NULL)
196 return (EADDRNOTAVAIL);
197
198 /*
199 * Validate requested local address
200 */
201 satm = (struct sockaddr_atm *)addr;
202 if (satm->satm_family != AF_ATM)
203 return (EAFNOSUPPORT);
204
205 sapadr = &satm->satm_addr.t_atm_sap_addr;
206 if (sapadr->SVE_tag_addr == T_ATM_PRESENT) {
207 if (sapadr->address_format == T_ATM_ENDSYS_ADDR) {
208 if (sapadr->SVE_tag_selector != T_ATM_PRESENT)
209 return (EINVAL);
210 } else if (sapadr->address_format == T_ATM_E164_ADDR) {
211 if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
212 return (EINVAL);
213 } else
214 return (EINVAL);
215 } else if ((sapadr->SVE_tag_addr != T_ATM_ABSENT) &&
216 (sapadr->SVE_tag_addr != T_ATM_ANY))
217 return (EINVAL);
218 if (sapadr->address_length > ATM_ADDR_LEN)
219 return (EINVAL);
220
221 sapl2 = &satm->satm_addr.t_atm_sap_layer2;
222 if (sapl2->SVE_tag == T_ATM_PRESENT) {
223 if ((sapl2->ID_type != T_ATM_SIMPLE_ID) &&
224 (sapl2->ID_type != T_ATM_USER_ID))
225 return (EINVAL);
226 } else if ((sapl2->SVE_tag != T_ATM_ABSENT) &&
227 (sapl2->SVE_tag != T_ATM_ANY))
228 return (EINVAL);
229
230 sapl3 = &satm->satm_addr.t_atm_sap_layer3;
231 if (sapl3->SVE_tag == T_ATM_PRESENT) {
232 if ((sapl3->ID_type != T_ATM_SIMPLE_ID) &&
233 (sapl3->ID_type != T_ATM_IPI_ID) &&
234 (sapl3->ID_type != T_ATM_SNAP_ID) &&
235 (sapl3->ID_type != T_ATM_USER_ID))
236 return (EINVAL);
237 } else if ((sapl3->SVE_tag != T_ATM_ABSENT) &&
238 (sapl3->SVE_tag != T_ATM_ANY))
239 return (EINVAL);
240
241 sapapl = &satm->satm_addr.t_atm_sap_appl;
242 if (sapapl->SVE_tag == T_ATM_PRESENT) {
243 if ((sapapl->ID_type != T_ATM_ISO_APP_ID) &&
244 (sapapl->ID_type != T_ATM_USER_APP_ID) &&
245 (sapapl->ID_type != T_ATM_VENDOR_APP_ID))
246 return (EINVAL);
247 } else if ((sapapl->SVE_tag != T_ATM_ABSENT) &&
248 (sapapl->SVE_tag != T_ATM_ANY))
249 return (EINVAL);
250
251 /*
252 * Create temporary attributes list so that we can check out the
253 * new bind parameters before we modify the socket's values;
254 */
255 attr = atp->atp_attr;
256 attr.called.tag = sapadr->SVE_tag_addr;
257 KM_COPY(&sapadr->address_format, &attr.called.addr, sizeof(Atm_addr));
258
259 attr.blli.tag_l2 = sapl2->SVE_tag;
260 if (sapl2->SVE_tag == T_ATM_PRESENT) {
261 attr.blli.v.layer_2_protocol.ID_type = sapl2->ID_type;
262 KM_COPY(&sapl2->ID, &attr.blli.v.layer_2_protocol.ID,
263 sizeof(attr.blli.v.layer_2_protocol.ID));
264 }
265
266 attr.blli.tag_l3 = sapl3->SVE_tag;
267 if (sapl3->SVE_tag == T_ATM_PRESENT) {
268 attr.blli.v.layer_3_protocol.ID_type = sapl3->ID_type;
269 KM_COPY(&sapl3->ID, &attr.blli.v.layer_3_protocol.ID,
270 sizeof(attr.blli.v.layer_3_protocol.ID));
271 }
272
273 attr.bhli.tag = sapapl->SVE_tag;
274 if (sapapl->SVE_tag == T_ATM_PRESENT) {
275 attr.bhli.v.ID_type = sapapl->ID_type;
276 KM_COPY(&sapapl->ID, &attr.bhli.v.ID,
277 sizeof(attr.bhli.v.ID));
278 }
279
280 /*
281 * Make sure we have unique listening attributes
282 */
283 if (atm_cm_match(&attr, NULL) != NULL)
284 return (EADDRINUSE);
285
286 /*
287 * Looks good, save new attributes
288 */
289 atp->atp_attr = attr;
290
291 return (0);
292 }
293
294
295 /*
296 * Listen for incoming connections
297 *
298 * Called at splnet.
299 *
300 * Arguments:
301 * so pointer to socket
302 * epp pointer to endpoint definition structure
303 *
304 * Returns:
305 * 0 request processed
306 * errno error processing request - reason indicated
307 *
308 */
309 int
310 atm_sock_listen(struct socket *so, Atm_endpoint *epp)
311 {
312 Atm_pcb *atp = sotoatmpcb(so);
313
314 /*
315 * Make sure we're still attached
316 */
317 if (atp == NULL)
318 return (ENOTCONN);
319
320 /*
321 * Start listening for incoming calls
322 */
323 return (atm_cm_listen(epp, atp, &atp->atp_attr, &atp->atp_conn));
324 }
325
326
327 /*
328 * Connect socket to peer
329 *
330 * Called at splnet.
331 *
332 * Arguments:
333 * so pointer to socket
334 * addr pointer to protocol address
335 * epp pointer to endpoint definition structure
336 *
337 * Returns:
338 * 0 request processed
339 * errno error processing request - reason indicated
340 *
341 */
342 int
343 atm_sock_connect(struct socket *so, struct sockaddr *addr, Atm_endpoint *epp)
344 {
345 Atm_pcb *atp = sotoatmpcb(so);
346 struct sockaddr_atm *satm;
347 struct t_atm_sap_addr *sapadr;
348 struct t_atm_sap_layer2 *sapl2;
349 struct t_atm_sap_layer3 *sapl3;
350 struct t_atm_sap_appl *sapapl;
351 int err;
352
353 /*
354 * Make sure we're still attached
355 */
356 if (atp == NULL)
357 return (ENOTCONN);
358
359 /*
360 * Validate requested peer address
361 */
362 satm = (struct sockaddr_atm *)addr;
363 if (satm->satm_family != AF_ATM)
364 return (EAFNOSUPPORT);
365
366 sapadr = &satm->satm_addr.t_atm_sap_addr;
367 if (sapadr->SVE_tag_addr != T_ATM_PRESENT)
368 return (EINVAL);
369 if (sapadr->address_format == T_ATM_ENDSYS_ADDR) {
370 if (sapadr->SVE_tag_selector != T_ATM_PRESENT)
371 return (EINVAL);
372 } else if (sapadr->address_format == T_ATM_E164_ADDR) {
373 if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
374 return (EINVAL);
375 } else if (sapadr->address_format == T_ATM_PVC_ADDR) {
376 if (sapadr->SVE_tag_selector != T_ATM_ABSENT)
377 return (EINVAL);
378 } else
379 return (EINVAL);
380 if (sapadr->address_length > ATM_ADDR_LEN)
381 return (EINVAL);
382
383 sapl2 = &satm->satm_addr.t_atm_sap_layer2;
384 if (sapl2->SVE_tag == T_ATM_PRESENT) {
385 if ((sapl2->ID_type != T_ATM_SIMPLE_ID) &&
386 (sapl2->ID_type != T_ATM_USER_ID))
387 return (EINVAL);
388 } else if (sapl2->SVE_tag != T_ATM_ABSENT)
389 return (EINVAL);
390
391 sapl3 = &satm->satm_addr.t_atm_sap_layer3;
392 if (sapl3->SVE_tag == T_ATM_PRESENT) {
393 if ((sapl3->ID_type != T_ATM_SIMPLE_ID) &&
394 (sapl3->ID_type != T_ATM_IPI_ID) &&
395 (sapl3->ID_type != T_ATM_SNAP_ID) &&
396 (sapl3->ID_type != T_ATM_USER_ID))
397 return (EINVAL);
398 } else if (sapl3->SVE_tag != T_ATM_ABSENT)
399 return (EINVAL);
400
401 sapapl = &satm->satm_addr.t_atm_sap_appl;
402 if (sapapl->SVE_tag == T_ATM_PRESENT) {
403 if ((sapapl->ID_type != T_ATM_ISO_APP_ID) &&
404 (sapapl->ID_type != T_ATM_USER_APP_ID) &&
405 (sapapl->ID_type != T_ATM_VENDOR_APP_ID))
406 return (EINVAL);
407 } else if (sapapl->SVE_tag != T_ATM_ABSENT)
408 return (EINVAL);
409
410 /*
411 * Select an outgoing network interface
412 */
413 if (atp->atp_attr.nif == NULL) {
414 struct atm_pif *pip;
415
416 for (pip = atm_interface_head; pip != NULL;
417 pip = pip->pif_next) {
418 if (pip->pif_nif != NULL) {
419 atp->atp_attr.nif = pip->pif_nif;
420 break;
421 }
422 }
423 if (atp->atp_attr.nif == NULL)
424 return (ENXIO);
425 }
426
427 /*
428 * Set supplied connection attributes
429 */
430 atp->atp_attr.called.tag = T_ATM_PRESENT;
431 KM_COPY(&sapadr->address_format, &atp->atp_attr.called.addr,
432 sizeof(Atm_addr));
433
434 atp->atp_attr.blli.tag_l2 = sapl2->SVE_tag;
435 if (sapl2->SVE_tag == T_ATM_PRESENT) {
436 atp->atp_attr.blli.v.layer_2_protocol.ID_type = sapl2->ID_type;
437 KM_COPY(&sapl2->ID, &atp->atp_attr.blli.v.layer_2_protocol.ID,
438 sizeof(atp->atp_attr.blli.v.layer_2_protocol.ID));
439 }
440
441 atp->atp_attr.blli.tag_l3 = sapl3->SVE_tag;
442 if (sapl3->SVE_tag == T_ATM_PRESENT) {
443 atp->atp_attr.blli.v.layer_3_protocol.ID_type = sapl3->ID_type;
444 KM_COPY(&sapl3->ID, &atp->atp_attr.blli.v.layer_3_protocol.ID,
445 sizeof(atp->atp_attr.blli.v.layer_3_protocol.ID));
446 }
447
448 atp->atp_attr.bhli.tag = sapapl->SVE_tag;
449 if (sapapl->SVE_tag == T_ATM_PRESENT) {
450 atp->atp_attr.bhli.v.ID_type = sapapl->ID_type;
451 KM_COPY(&sapapl->ID, &atp->atp_attr.bhli.v.ID,
452 sizeof(atp->atp_attr.bhli.v.ID));
453 }
454
455 /*
456 * We're finally ready to initiate the ATM connection
457 */
458 soisconnecting(so);
459 atm_sock_stat.as_connreq[atp->atp_type]++;
460 err = atm_cm_connect(epp, atp, &atp->atp_attr, &atp->atp_conn);
461 if (err == 0) {
462 /*
463 * Connection is setup
464 */
465 atm_sock_stat.as_conncomp[atp->atp_type]++;
466 soisconnected(so);
467
468 } else if (err == EINPROGRESS) {
469 /*
470 * We've got to wait for a connected event
471 */
472 err = 0;
473
474 } else {
475 /*
476 * Call failed...
477 */
478 atm_sock_stat.as_connfail[atp->atp_type]++;
479 soisdisconnected(so);
480 }
481
482 return (err);
483 }
484
485
486 /*
487 * Disconnect connected socket
488 *
489 * Called at splnet.
490 *
491 * Arguments:
492 * so pointer to socket
493 *
494 * Returns:
495 * 0 request processed
496 * errno error processing request - reason indicated
497 *
498 */
499 int
500 atm_sock_disconnect(struct socket *so)
501 {
502 Atm_pcb *atp = sotoatmpcb(so);
503 struct t_atm_cause *cause;
504 int err;
505
506 /*
507 * Make sure we're still attached
508 */
509 if (atp == NULL)
510 return (ENOTCONN);
511
512 /*
513 * Release the ATM connection
514 */
515 if (atp->atp_conn) {
516 if (atp->atp_attr.cause.tag == T_ATM_PRESENT)
517 cause = &atp->atp_attr.cause.v;
518 else
519 cause = &atm_sock_cause;
520 err = atm_cm_release(atp->atp_conn, cause);
521 if (err)
522 log(LOG_ERR, "atm_sock_disconnect: release fail (%d)\n",
523 err);
524 atm_sock_stat.as_connrel[atp->atp_type]++;
525 atp->atp_conn = NULL;
526 }
527
528 soisdisconnected(so);
529
530 return (0);
531 }
532
533
534 /*
535 * Retrieve local socket address
536 *
537 * Called at splnet.
538 *
539 * Arguments:
540 * so pointer to socket
541 * addr pointer to pointer to contain protocol address
542 *
543 * Returns:
544 * 0 request processed
545 * errno error processing request - reason indicated
546 *
547 */
548 int
549 atm_sock_sockaddr(struct socket *so, struct sockaddr **addr)
550 {
551 struct sockaddr_atm *satm;
552 struct t_atm_sap_addr *saddr;
553 Atm_pcb *atp = sotoatmpcb(so);
554
555 /*
556 * Return local interface address, if known
557 */
558 satm = KM_ALLOC(sizeof *satm, M_SONAME, M_WAITOK);
559 if (satm == NULL)
560 return (ENOMEM);
561
562 KM_ZERO(satm, sizeof(*satm));
563 satm->satm_family = AF_ATM;
564 satm->satm_len = sizeof(*satm);
565
566 saddr = &satm->satm_addr.t_atm_sap_addr;
567 if (atp->atp_attr.nif && atp->atp_attr.nif->nif_pif->pif_siginst) {
568 saddr->SVE_tag_addr = T_ATM_PRESENT;
569 ATM_ADDR_SEL_COPY(
570 &atp->atp_attr.nif->nif_pif->pif_siginst->si_addr,
571 atp->atp_attr.nif->nif_sel, saddr);
572 if (saddr->address_format == T_ATM_ENDSYS_ADDR)
573 saddr->SVE_tag_selector = T_ATM_PRESENT;
574 else
575 saddr->SVE_tag_selector = T_ATM_ABSENT;
576 } else {
577 saddr->SVE_tag_addr = T_ATM_ABSENT;
578 saddr->SVE_tag_selector = T_ATM_ABSENT;
579 saddr->address_format = T_ATM_ABSENT;
580 }
581 satm->satm_addr.t_atm_sap_layer2.SVE_tag = T_ATM_ABSENT;
582 satm->satm_addr.t_atm_sap_layer3.SVE_tag = T_ATM_ABSENT;
583 satm->satm_addr.t_atm_sap_appl.SVE_tag = T_ATM_ABSENT;
584
585 *addr = (struct sockaddr *)satm;
586 return (0);
587 }
588
589
590 /*
591 * Retrieve peer socket address
592 *
593 * Called at splnet.
594 *
595 * Arguments:
596 * so pointer to socket
597 * addr pointer to pointer to contain protocol address
598 *
599 * Returns:
600 * 0 request processed
601 * errno error processing request - reason indicated
602 *
603 */
604 int
605 atm_sock_peeraddr(struct socket *so, struct sockaddr **addr)
606 {
607 struct sockaddr_atm *satm;
608 struct t_atm_sap_addr *saddr;
609 Atm_pcb *atp = sotoatmpcb(so);
610 Atm_connvc *cvp;
611
612 /*
613 * Return remote address, if known
614 */
615 satm = KM_ALLOC(sizeof *satm, M_SONAME, M_WAITOK);
616 if (satm == NULL)
617 return (ENOMEM);
618
619 KM_ZERO(satm, sizeof(*satm));
620 satm->satm_family = AF_ATM;
621 satm->satm_len = sizeof(*satm);
622
623 saddr = &satm->satm_addr.t_atm_sap_addr;
624 if (so->so_state & SS_ISCONNECTED) {
625 cvp = atp->atp_conn->co_connvc;
626 saddr->SVE_tag_addr = T_ATM_PRESENT;
627 if (cvp->cvc_flags & CVCF_CALLER) {
628 ATM_ADDR_COPY(&cvp->cvc_attr.called.addr, saddr);
629 } else {
630 if (cvp->cvc_attr.calling.tag == T_ATM_PRESENT) {
631 ATM_ADDR_COPY(&cvp->cvc_attr.calling.addr,
632 saddr);
633 } else {
634 saddr->SVE_tag_addr = T_ATM_ABSENT;
635 saddr->address_format = T_ATM_ABSENT;
636 }
637 }
638 if (saddr->address_format == T_ATM_ENDSYS_ADDR)
639 saddr->SVE_tag_selector = T_ATM_PRESENT;
640 else
641 saddr->SVE_tag_selector = T_ATM_ABSENT;
642 } else {
643 saddr->SVE_tag_addr = T_ATM_ABSENT;
644 saddr->SVE_tag_selector = T_ATM_ABSENT;
645 saddr->address_format = T_ATM_ABSENT;
646 }
647 satm->satm_addr.t_atm_sap_layer2.SVE_tag = T_ATM_ABSENT;
648 satm->satm_addr.t_atm_sap_layer3.SVE_tag = T_ATM_ABSENT;
649 satm->satm_addr.t_atm_sap_appl.SVE_tag = T_ATM_ABSENT;
650
651 *addr = (struct sockaddr *)satm;
652 return (0);
653 }
654
655
656 /*
657 * Common setsockopt processing
658 *
659 * Called at splnet.
660 *
661 * Arguments:
662 * so pointer to socket
663 * sopt pointer to socket option info
664 * atp pointer to ATM PCB
665 *
666 * Returns:
667 * 0 request processed
668 * errno error processing request - reason indicated
669 *
670 */
671 int
672 atm_sock_setopt(struct socket *so, struct sockopt *sopt, Atm_pcb *atp)
673 {
674 int err = 0;
675 union {
676 struct t_atm_aal5 aal5;
677 struct t_atm_traffic trf;
678 struct t_atm_bearer brr;
679 struct t_atm_bhli bhl;
680 struct t_atm_blli bll;
681 Atm_addr addr;
682 struct t_atm_cause cau;
683 struct t_atm_qos qos;
684 struct t_atm_transit trn;
685 struct t_atm_net_intf nif;
686 struct t_atm_llc llc;
687 struct t_atm_app_name appn;
688 } p;
689
690 #define MAXVAL(bits) ((1 << bits) - 1)
691 #define MAXMASK(bits) (~MAXVAL(bits))
692
693 switch (sopt->sopt_name) {
694
695 case T_ATM_AAL5:
696 err = sooptcopyin(sopt, &p.aal5, sizeof p.aal5, sizeof p.aal5);
697 if (err)
698 break;
699 if ((p.aal5.forward_max_SDU_size != T_ATM_ABSENT) &&
700 (p.aal5.forward_max_SDU_size & MAXMASK(16)))
701 return (EINVAL);
702 if ((p.aal5.backward_max_SDU_size != T_ATM_ABSENT) &&
703 (p.aal5.backward_max_SDU_size & MAXMASK(16)))
704 return (EINVAL);
705 if ((p.aal5.SSCS_type != T_ATM_ABSENT) &&
706 (p.aal5.SSCS_type != T_ATM_NULL) &&
707 (p.aal5.SSCS_type != T_ATM_SSCS_SSCOP_REL) &&
708 (p.aal5.SSCS_type != T_ATM_SSCS_SSCOP_UNREL) &&
709 (p.aal5.SSCS_type != T_ATM_SSCS_FR))
710 return (EINVAL);
711
712 if ((p.aal5.forward_max_SDU_size == T_ATM_ABSENT) &&
713 (p.aal5.backward_max_SDU_size == T_ATM_ABSENT) &&
714 (p.aal5.SSCS_type == T_ATM_ABSENT))
715 atp->atp_attr.aal.tag = T_ATM_ABSENT;
716 else {
717 atp->atp_attr.aal.tag = T_ATM_PRESENT;
718 atp->atp_attr.aal.type = ATM_AAL5;
719 atp->atp_attr.aal.v.aal5 = p.aal5;
720 }
721 break;
722
723 case T_ATM_TRAFFIC:
724 err = sooptcopyin(sopt, &p.trf, sizeof p.trf, sizeof p.trf);
725 if (err)
726 break;
727 if ((p.trf.forward.PCR_high_priority != T_ATM_ABSENT) &&
728 (p.trf.forward.PCR_high_priority & MAXMASK(24)))
729 return (EINVAL);
730 if (p.trf.forward.PCR_all_traffic & MAXMASK(24))
731 return (EINVAL);
732 if ((p.trf.forward.SCR_high_priority != T_ATM_ABSENT) &&
733 (p.trf.forward.SCR_high_priority & MAXMASK(24)))
734 return (EINVAL);
735 if ((p.trf.forward.SCR_all_traffic != T_ATM_ABSENT) &&
736 (p.trf.forward.SCR_all_traffic & MAXMASK(24)))
737 return (EINVAL);
738 if ((p.trf.forward.MBS_high_priority != T_ATM_ABSENT) &&
739 (p.trf.forward.MBS_high_priority & MAXMASK(24)))
740 return (EINVAL);
741 if ((p.trf.forward.MBS_all_traffic != T_ATM_ABSENT) &&
742 (p.trf.forward.MBS_all_traffic & MAXMASK(24)))
743 return (EINVAL);
744 if ((p.trf.forward.tagging != T_YES) &&
745 (p.trf.forward.tagging != T_NO))
746 return (EINVAL);
747
748 if ((p.trf.backward.PCR_high_priority != T_ATM_ABSENT) &&
749 (p.trf.backward.PCR_high_priority & MAXMASK(24)))
750 return (EINVAL);
751 if (p.trf.backward.PCR_all_traffic & MAXMASK(24))
752 return (EINVAL);
753 if ((p.trf.backward.SCR_high_priority != T_ATM_ABSENT) &&
754 (p.trf.backward.SCR_high_priority & MAXMASK(24)))
755 return (EINVAL);
756 if ((p.trf.backward.SCR_all_traffic != T_ATM_ABSENT) &&
757 (p.trf.backward.SCR_all_traffic & MAXMASK(24)))
758 return (EINVAL);
759 if ((p.trf.backward.MBS_high_priority != T_ATM_ABSENT) &&
760 (p.trf.backward.MBS_high_priority & MAXMASK(24)))
761 return (EINVAL);
762 if ((p.trf.backward.MBS_all_traffic != T_ATM_ABSENT) &&
763 (p.trf.backward.MBS_all_traffic & MAXMASK(24)))
764 return (EINVAL);
765 if ((p.trf.backward.tagging != T_YES) &&
766 (p.trf.backward.tagging != T_NO))
767 return (EINVAL);
768 if ((p.trf.best_effort != T_YES) &&
769 (p.trf.best_effort != T_NO))
770 return (EINVAL);
771
772 atp->atp_attr.traffic.tag = T_ATM_PRESENT;
773 atp->atp_attr.traffic.v = p.trf;
774 break;
775
776 case T_ATM_BEARER_CAP:
777 err = sooptcopyin(sopt, &p.brr, sizeof p.brr, sizeof p.brr);
778 if (err)
779 break;
780 if ((p.brr.bearer_class != T_ATM_CLASS_A) &&
781 (p.brr.bearer_class != T_ATM_CLASS_C) &&
782 (p.brr.bearer_class != T_ATM_CLASS_X))
783 return (EINVAL);
784 if ((p.brr.traffic_type != T_ATM_NULL) &&
785 (p.brr.traffic_type != T_ATM_CBR) &&
786 (p.brr.traffic_type != T_ATM_VBR))
787 return (EINVAL);
788 if ((p.brr.timing_requirements != T_ATM_NULL) &&
789 (p.brr.timing_requirements != T_ATM_END_TO_END) &&
790 (p.brr.timing_requirements != T_ATM_NO_END_TO_END))
791 return (EINVAL);
792 if ((p.brr.clipping_susceptibility != T_NO) &&
793 (p.brr.clipping_susceptibility != T_YES))
794 return (EINVAL);
795 if ((p.brr.connection_configuration != T_ATM_1_TO_1) &&
796 (p.brr.connection_configuration != T_ATM_1_TO_MANY))
797 return (EINVAL);
798
799 atp->atp_attr.bearer.tag = T_ATM_PRESENT;
800 atp->atp_attr.bearer.v = p.brr;
801 break;
802
803 case T_ATM_BHLI:
804 err = sooptcopyin(sopt, &p.bhl, sizeof p.bhl, sizeof p.bhl);
805 if (err)
806 break;
807 if ((p.bhl.ID_type != T_ATM_ABSENT) &&
808 (p.bhl.ID_type != T_ATM_ISO_APP_ID) &&
809 (p.bhl.ID_type != T_ATM_USER_APP_ID) &&
810 (p.bhl.ID_type != T_ATM_VENDOR_APP_ID))
811 return (EINVAL);
812
813 if (p.bhl.ID_type == T_ATM_ABSENT)
814 atp->atp_attr.bhli.tag = T_ATM_ABSENT;
815 else {
816 atp->atp_attr.bhli.tag = T_ATM_PRESENT;
817 atp->atp_attr.bhli.v = p.bhl;
818 }
819 break;
820
821 case T_ATM_BLLI:
822 err = sooptcopyin(sopt, &p.bll, sizeof p.bll, sizeof p.bll);
823 if (err)
824 break;
825 if ((p.bll.layer_2_protocol.ID_type != T_ATM_ABSENT) &&
826 (p.bll.layer_2_protocol.ID_type != T_ATM_SIMPLE_ID) &&
827 (p.bll.layer_2_protocol.ID_type != T_ATM_USER_ID))
828 return (EINVAL);
829 if ((p.bll.layer_2_protocol.mode != T_ATM_ABSENT) &&
830 (p.bll.layer_2_protocol.mode != T_ATM_BLLI_NORMAL_MODE) &&
831 (p.bll.layer_2_protocol.mode != T_ATM_BLLI_EXTENDED_MODE))
832 return (EINVAL);
833 if ((p.bll.layer_2_protocol.window_size != T_ATM_ABSENT) &&
834 (p.bll.layer_2_protocol.window_size < 1))
835 return (EINVAL);
836
837 if ((p.bll.layer_3_protocol.ID_type != T_ATM_ABSENT) &&
838 (p.bll.layer_3_protocol.ID_type != T_ATM_SIMPLE_ID) &&
839 (p.bll.layer_3_protocol.ID_type != T_ATM_IPI_ID) &&
840 (p.bll.layer_3_protocol.ID_type != T_ATM_SNAP_ID) &&
841 (p.bll.layer_3_protocol.ID_type != T_ATM_USER_ID))
842 return (EINVAL);
843 if ((p.bll.layer_3_protocol.mode != T_ATM_ABSENT) &&
844 (p.bll.layer_3_protocol.mode != T_ATM_BLLI_NORMAL_MODE) &&
845 (p.bll.layer_3_protocol.mode != T_ATM_BLLI_EXTENDED_MODE))
846 return (EINVAL);
847 if ((p.bll.layer_3_protocol.packet_size != T_ATM_ABSENT) &&
848 (p.bll.layer_3_protocol.packet_size & MAXMASK(4)))
849 return (EINVAL);
850 if ((p.bll.layer_3_protocol.window_size != T_ATM_ABSENT) &&
851 (p.bll.layer_3_protocol.window_size < 1))
852 return (EINVAL);
853
854 if (p.bll.layer_2_protocol.ID_type == T_ATM_ABSENT)
855 atp->atp_attr.blli.tag_l2 = T_ATM_ABSENT;
856 else
857 atp->atp_attr.blli.tag_l2 = T_ATM_PRESENT;
858
859 if (p.bll.layer_3_protocol.ID_type == T_ATM_ABSENT)
860 atp->atp_attr.blli.tag_l3 = T_ATM_ABSENT;
861 else
862 atp->atp_attr.blli.tag_l3 = T_ATM_PRESENT;
863
864 if ((atp->atp_attr.blli.tag_l2 == T_ATM_PRESENT) ||
865 (atp->atp_attr.blli.tag_l3 == T_ATM_PRESENT))
866 atp->atp_attr.blli.v = p.bll;
867 break;
868
869 case T_ATM_DEST_ADDR:
870 err = sooptcopyin(sopt, &p.addr, sizeof p.addr, sizeof p.addr);
871 if (err)
872 break;
873 if ((p.addr.address_format != T_ATM_ENDSYS_ADDR) &&
874 (p.addr.address_format != T_ATM_E164_ADDR))
875 return (EINVAL);
876 if (p.addr.address_length > ATM_ADDR_LEN)
877 return (EINVAL);
878
879 atp->atp_attr.called.tag = T_ATM_PRESENT;
880 atp->atp_attr.called.addr = p.addr;
881 break;
882
883 case T_ATM_DEST_SUB:
884 err = sooptcopyin(sopt, &p.addr, sizeof p.addr, sizeof p.addr);
885 if (err)
886 break;
887 if ((p.addr.address_format != T_ATM_ABSENT) &&
888 (p.addr.address_format != T_ATM_NSAP_ADDR))
889 return (EINVAL);
890 if (p.addr.address_length > ATM_ADDR_LEN)
891 return (EINVAL);
892
893 /* T_ATM_DEST_ADDR controls tag */
894 atp->atp_attr.called.subaddr = p.addr;
895 break;
896
897 case T_ATM_ORIG_ADDR:
898 return (EACCES);
899
900 case T_ATM_ORIG_SUB:
901 return (EACCES);
902
903 case T_ATM_CALLER_ID:
904 return (EACCES);
905
906 case T_ATM_CAUSE:
907 err = sooptcopyin(sopt, &p.cau, sizeof p.cau, sizeof p.cau);
908 if (err)
909 break;
910 if ((p.cau.coding_standard != T_ATM_ABSENT) &&
911 (p.cau.coding_standard != T_ATM_ITU_CODING) &&
912 (p.cau.coding_standard != T_ATM_NETWORK_CODING))
913 return (EINVAL);
914 if ((p.cau.location != T_ATM_LOC_USER) &&
915 (p.cau.location != T_ATM_LOC_LOCAL_PRIVATE_NET) &&
916 (p.cau.location != T_ATM_LOC_LOCAL_PUBLIC_NET) &&
917 (p.cau.location != T_ATM_LOC_TRANSIT_NET) &&
918 (p.cau.location != T_ATM_LOC_REMOTE_PUBLIC_NET) &&
919 (p.cau.location != T_ATM_LOC_REMOTE_PRIVATE_NET) &&
920 (p.cau.location != T_ATM_LOC_INTERNATIONAL_NET) &&
921 (p.cau.location != T_ATM_LOC_BEYOND_INTERWORKING))
922 return (EINVAL);
923
924 if (p.cau.coding_standard == T_ATM_ABSENT)
925 atp->atp_attr.cause.tag = T_ATM_ABSENT;
926 else {
927 atp->atp_attr.cause.tag = T_ATM_PRESENT;
928 atp->atp_attr.cause.v = p.cau;
929 }
930 break;
931
932 case T_ATM_QOS:
933 err = sooptcopyin(sopt, &p.qos, sizeof p.qos, sizeof p.qos);
934 if (err)
935 break;
936 if ((p.qos.coding_standard != T_ATM_ABSENT) &&
937 (p.qos.coding_standard != T_ATM_ITU_CODING) &&
938 (p.qos.coding_standard != T_ATM_NETWORK_CODING))
939 return (EINVAL);
940 if ((p.qos.forward.qos_class != T_ATM_QOS_CLASS_0) &&
941 (p.qos.forward.qos_class != T_ATM_QOS_CLASS_1) &&
942 (p.qos.forward.qos_class != T_ATM_QOS_CLASS_2) &&
943 (p.qos.forward.qos_class != T_ATM_QOS_CLASS_3) &&
944 (p.qos.forward.qos_class != T_ATM_QOS_CLASS_4))
945 return (EINVAL);
946 if ((p.qos.backward.qos_class != T_ATM_QOS_CLASS_0) &&
947 (p.qos.backward.qos_class != T_ATM_QOS_CLASS_1) &&
948 (p.qos.backward.qos_class != T_ATM_QOS_CLASS_2) &&
949 (p.qos.backward.qos_class != T_ATM_QOS_CLASS_3) &&
950 (p.qos.backward.qos_class != T_ATM_QOS_CLASS_4))
951 return (EINVAL);
952
953 if (p.qos.coding_standard == T_ATM_ABSENT)
954 atp->atp_attr.qos.tag = T_ATM_ABSENT;
955 else {
956 atp->atp_attr.qos.tag = T_ATM_PRESENT;
957 atp->atp_attr.qos.v = p.qos;
958 }
959 break;
960
961 case T_ATM_TRANSIT:
962 err = sooptcopyin(sopt, &p.trn, sizeof p.trn, sizeof p.trn);
963 if (err)
964 break;
965 if (p.trn.length > T_ATM_MAX_NET_ID)
966 return (EINVAL);
967
968 if (p.trn.length == 0)
969 atp->atp_attr.transit.tag = T_ATM_ABSENT;
970 else {
971 atp->atp_attr.transit.tag = T_ATM_PRESENT;
972 atp->atp_attr.transit.v = p.trn;
973 }
974 break;
975
976 case T_ATM_ADD_LEAF:
977 return (EPROTONOSUPPORT); /* XXX */
978
979 case T_ATM_DROP_LEAF:
980 return (EPROTONOSUPPORT); /* XXX */
981
982 case T_ATM_NET_INTF:
983 err = sooptcopyin(sopt, &p.nif, sizeof p.nif, sizeof p.nif);
984 if (err)
985 break;
986
987 atp->atp_attr.nif = atm_nifname(p.nif.net_intf);
988 if (atp->atp_attr.nif == NULL)
989 return (ENXIO);
990 break;
991
992 case T_ATM_LLC:
993 err = sooptcopyin(sopt, &p.llc, sizeof p.llc, sizeof p.llc);
994 if (err)
995 break;
996 if ((p.llc.llc_len < T_ATM_LLC_MIN_LEN) ||
997 (p.llc.llc_len > T_ATM_LLC_MAX_LEN))
998 return (EINVAL);
999
1000 atp->atp_attr.llc.tag = T_ATM_PRESENT;
1001 atp->atp_attr.llc.v = p.llc;
1002 break;
1003
1004 case T_ATM_APP_NAME:
1005 err = sooptcopyin(sopt, &p.appn, sizeof p.appn, sizeof p.appn);
1006 if (err)
1007 break;
1008
1009 strncpy(atp->atp_name, p.appn.app_name, T_ATM_APP_NAME_LEN);
1010 break;
1011
1012 default:
1013 return (ENOPROTOOPT);
1014 }
1015
1016 return (err);
1017 }
1018
1019
1020 /*
1021 * Common getsockopt processing
1022 *
1023 * Called at splnet.
1024 *
1025 * Arguments:
1026 * so pointer to socket
1027 * sopt pointer to socket option info
1028 * atp pointer to ATM PCB
1029 *
1030 * Returns:
1031 * 0 request processed
1032 * errno error processing request - reason indicated
1033 *
1034 */
1035 int
1036 atm_sock_getopt(struct socket *so, struct sockopt *sopt, Atm_pcb *atp)
1037 {
1038 Atm_attributes *ap;
1039
1040 /*
1041 * If socket is connected, return attributes for the VCC in use,
1042 * otherwise just return what the user has setup so far.
1043 */
1044 if (so->so_state & SS_ISCONNECTED)
1045 ap = &atp->atp_conn->co_connvc->cvc_attr;
1046 else
1047 ap = &atp->atp_attr;
1048
1049 switch (sopt->sopt_name) {
1050
1051 case T_ATM_AAL5:
1052 if ((ap->aal.tag == T_ATM_PRESENT) &&
1053 (ap->aal.type == ATM_AAL5)) {
1054 return (sooptcopyout(sopt, &ap->aal.v.aal5,
1055 sizeof ap->aal.v.aal5));
1056 } else {
1057 return (ENOENT);
1058 }
1059 break;
1060
1061 case T_ATM_TRAFFIC:
1062 if (ap->traffic.tag == T_ATM_PRESENT) {
1063 return (sooptcopyout(sopt, &ap->traffic.v,
1064 sizeof ap->traffic.v));
1065 } else {
1066 return (ENOENT);
1067 }
1068 break;
1069
1070 case T_ATM_BEARER_CAP:
1071 if (ap->bearer.tag == T_ATM_PRESENT) {
1072 return (sooptcopyout(sopt, &ap->bearer.v,
1073 sizeof ap->bearer.v));
1074 } else {
1075 return (ENOENT);
1076 }
1077 break;
1078
1079 case T_ATM_BHLI:
1080 if (ap->bhli.tag == T_ATM_PRESENT) {
1081 return (sooptcopyout(sopt, &ap->bhli.v,
1082 sizeof ap->bhli.v));
1083 } else {
1084 return (ENOENT);
1085 }
1086 break;
1087
1088 case T_ATM_BLLI:
1089 if ((ap->blli.tag_l2 == T_ATM_PRESENT) ||
1090 (ap->blli.tag_l3 == T_ATM_PRESENT)) {
1091 return (sooptcopyout(sopt, &ap->blli.v,
1092 sizeof ap->blli.v));
1093 } else {
1094 return (ENOENT);
1095 }
1096 break;
1097
1098 case T_ATM_DEST_ADDR:
1099 if (ap->called.tag == T_ATM_PRESENT) {
1100 return (sooptcopyout(sopt, &ap->called.addr,
1101 sizeof ap->called.addr));
1102 } else {
1103 return (ENOENT);
1104 }
1105 break;
1106
1107 case T_ATM_DEST_SUB:
1108 if (ap->called.tag == T_ATM_PRESENT) {
1109 return (sooptcopyout(sopt, &ap->called.subaddr,
1110 sizeof ap->called.subaddr));
1111 } else {
1112 return (ENOENT);
1113 }
1114 break;
1115
1116 case T_ATM_ORIG_ADDR:
1117 if (ap->calling.tag == T_ATM_PRESENT) {
1118 return (sooptcopyout(sopt, &ap->calling.addr,
1119 sizeof ap->calling.addr));
1120 } else {
1121 return (ENOENT);
1122 }
1123 break;
1124
1125 case T_ATM_ORIG_SUB:
1126 if (ap->calling.tag == T_ATM_PRESENT) {
1127 return (sooptcopyout(sopt, &ap->calling.subaddr,
1128 sizeof ap->calling.subaddr));
1129 } else {
1130 return (ENOENT);
1131 }
1132 break;
1133
1134 case T_ATM_CALLER_ID:
1135 if (ap->calling.tag == T_ATM_PRESENT) {
1136 return (sooptcopyout(sopt, &ap->calling.cid,
1137 sizeof ap->calling.cid));
1138 } else {
1139 return (ENOENT);
1140 }
1141 break;
1142
1143 case T_ATM_CAUSE:
1144 if (ap->cause.tag == T_ATM_PRESENT) {
1145 return (sooptcopyout(sopt, &ap->cause.v,
1146 sizeof ap->cause.v));
1147 } else {
1148 return (ENOENT);
1149 }
1150 break;
1151
1152 case T_ATM_QOS:
1153 if (ap->qos.tag == T_ATM_PRESENT) {
1154 return (sooptcopyout(sopt, &ap->qos.v,
1155 sizeof ap->qos.v));
1156 } else {
1157 return (ENOENT);
1158 }
1159 break;
1160
1161 case T_ATM_TRANSIT:
1162 if (ap->transit.tag == T_ATM_PRESENT) {
1163 return (sooptcopyout(sopt, &ap->transit.v,
1164 sizeof ap->transit.v));
1165 } else {
1166 return (ENOENT);
1167 }
1168 break;
1169
1170 case T_ATM_LEAF_IND:
1171 return (EPROTONOSUPPORT); /* XXX */
1172
1173 case T_ATM_NET_INTF:
1174 if (ap->nif) {
1175 struct t_atm_net_intf netif;
1176 struct ifnet *ifp;
1177
1178 ifp = &ap->nif->nif_if;
1179 snprintf(netif.net_intf, sizeof(netif.net_intf),
1180 "%s", ifp->if_xname);
1181 return (sooptcopyout(sopt, &netif,
1182 sizeof netif));
1183 } else {
1184 return (ENOENT);
1185 }
1186 break;
1187
1188 case T_ATM_LLC:
1189 if (ap->llc.tag == T_ATM_PRESENT) {
1190 return (sooptcopyout(sopt, &ap->llc.v,
1191 sizeof ap->llc.v));
1192 } else {
1193 return (ENOENT);
1194 }
1195 break;
1196
1197 default:
1198 return (ENOPROTOOPT);
1199 }
1200
1201 return (0);
1202 }
1203
1204
1205 /*
1206 * Process Socket VCC Connected Notification
1207 *
1208 * Arguments:
1209 * toku owner's connection token (atm_pcb protocol block)
1210 *
1211 * Returns:
1212 * none
1213 *
1214 */
1215 void
1216 atm_sock_connected(void *toku)
1217 {
1218 Atm_pcb *atp = (Atm_pcb *)toku;
1219
1220 /*
1221 * Connection is setup
1222 */
1223 atm_sock_stat.as_conncomp[atp->atp_type]++;
1224 soisconnected(atp->atp_socket);
1225 }
1226
1227
1228 /*
1229 * Process Socket VCC Cleared Notification
1230 *
1231 * Arguments:
1232 * toku owner's connection token (atm_pcb protocol block)
1233 * cause pointer to cause code
1234 *
1235 * Returns:
1236 * none
1237 *
1238 */
1239 void
1240 atm_sock_cleared(void *toku, struct t_atm_cause *cause)
1241 {
1242 Atm_pcb *atp = (Atm_pcb *)toku;
1243 struct socket *so;
1244
1245 so = atp->atp_socket;
1246
1247 /*
1248 * Save call clearing cause
1249 */
1250 atp->atp_attr.cause.tag = T_ATM_PRESENT;
1251 atp->atp_attr.cause.v = *cause;
1252
1253 /*
1254 * Set user error code
1255 */
1256 if (so->so_state & SS_ISCONNECTED) {
1257 so->so_error = ECONNRESET;
1258 atm_sock_stat.as_connclr[atp->atp_type]++;
1259 } else {
1260 so->so_error = ECONNREFUSED;
1261 atm_sock_stat.as_connfail[atp->atp_type]++;
1262 }
1263
1264 /*
1265 * Connection is gone
1266 */
1267 atp->atp_conn = NULL;
1268 soisdisconnected(so);
1269
1270 /*
1271 * Cleanup failed incoming connection setup
1272 */
1273 if (so->so_state & SS_NOFDREF) {
1274 atm_sock_detach(so);
1275 }
1276 }
1277
DragonFly BSD