2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2011, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2011, by Michael Tuexen. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
33 /* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
37 #include <netinet/sctp_os.h>
39 #include <netinet/sctp_pcb.h>
40 #include <netinet/sctp_header.h>
41 #include <netinet/sctp_var.h>
44 #include <netinet/sctp_sysctl.h>
45 #include <netinet/sctp_output.h>
46 #include <netinet/sctp_uio.h>
47 #include <netinet/sctp_asconf.h>
48 #include <netinet/sctputil.h>
49 #include <netinet/sctp_indata.h>
50 #include <netinet/sctp_timer.h>
51 #include <netinet/sctp_auth.h>
52 #include <netinet/sctp_bsd_addr.h>
53 #include <netinet/udp.h>
57 extern struct sctp_cc_functions sctp_cc_functions[];
58 extern struct sctp_ss_functions sctp_ss_functions[];
65 /* Initialize and modify the sysctled variables */
67 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
68 SCTP_BASE_SYSCTL(sctp_max_chunks_on_queue) = (nmbclusters / 8);
70 * Allow a user to take no more than 1/2 the number of clusters or
71 * the SB_MAX whichever is smaller for the send window.
73 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
74 SCTP_BASE_SYSCTL(sctp_sendspace) = min(sb_max_adj,
75 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
77 * Now for the recv window, should we take the same amount? or
78 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
79 * now I will just copy.
81 SCTP_BASE_SYSCTL(sctp_recvspace) = SCTP_BASE_SYSCTL(sctp_sendspace);
83 SCTP_BASE_VAR(first_time) = 0;
84 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
86 #if defined(SCTP_PACKET_LOGGING)
87 SCTP_BASE_VAR(packet_log_writers) = 0;
88 SCTP_BASE_VAR(packet_log_end) = 0;
89 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
104 sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
105 struct sctp_tcb *stcb,
106 struct sctp_nets *net,
109 struct sctp_tmit_chunk *chk;
112 /* Adjust that too */
113 stcb->asoc.smallest_mtu = nxtsz;
114 /* now off to subtract IP_DF flag if needed */
115 overhead = IP_HDR_SIZE;
116 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
117 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
119 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
120 if ((chk->send_size + overhead) > nxtsz) {
121 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
124 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
125 if ((chk->send_size + overhead) > nxtsz) {
127 * For this guy we also mark for immediate resend
128 * since we sent to big of chunk
130 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
131 if (chk->sent < SCTP_DATAGRAM_RESEND) {
132 sctp_flight_size_decrease(chk);
133 sctp_total_flight_decrease(stcb, chk);
135 if (chk->sent != SCTP_DATAGRAM_RESEND) {
136 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
138 chk->sent = SCTP_DATAGRAM_RESEND;
139 chk->rec.data.doing_fast_retransmit = 0;
140 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
141 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
142 chk->whoTo->flight_size,
144 (uintptr_t) chk->whoTo,
145 chk->rec.data.TSN_seq);
147 /* Clear any time so NO RTT is being done */
155 sctp_notify_mbuf(struct sctp_inpcb *inp,
156 struct sctp_tcb *stcb,
157 struct sctp_nets *net,
162 int totsz, tmr_stopped = 0;
166 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
167 (ip == NULL) || (sh == NULL)) {
169 SCTP_TCB_UNLOCK(stcb);
173 /* First job is to verify the vtag matches what I would send */
174 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
175 SCTP_TCB_UNLOCK(stcb);
178 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
180 if (icmph->icmp_type != ICMP_UNREACH) {
181 /* We only care about unreachable */
182 SCTP_TCB_UNLOCK(stcb);
185 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
186 /* not a unreachable message due to frag. */
187 SCTP_TCB_UNLOCK(stcb);
192 nxtsz = ntohs(icmph->icmp_nextmtu);
195 * old type router that does not tell us what the next size
196 * mtu is. Rats we will have to guess (in a educated fashion
199 nxtsz = sctp_get_prev_mtu(totsz);
201 /* Stop any PMTU timer */
202 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
204 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
205 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
207 /* Adjust destination size limit */
208 if (net->mtu > nxtsz) {
211 net->mtu -= sizeof(struct udphdr);
214 /* now what about the ep? */
215 if (stcb->asoc.smallest_mtu > nxtsz) {
216 sctp_pathmtu_adjustment(inp, stcb, net, nxtsz);
219 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
221 SCTP_TCB_UNLOCK(stcb);
227 sctp_notify(struct sctp_inpcb *inp,
231 struct sctp_tcb *stcb,
232 struct sctp_nets *net)
234 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
243 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
244 (sh == NULL) || (to == NULL)) {
246 SCTP_TCB_UNLOCK(stcb);
249 /* First job is to verify the vtag matches what I would send */
250 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
251 SCTP_TCB_UNLOCK(stcb);
254 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
256 if (icmph->icmp_type != ICMP_UNREACH) {
257 /* We only care about unreachable */
258 SCTP_TCB_UNLOCK(stcb);
261 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
262 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
263 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
264 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
265 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
266 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
267 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
268 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
271 * Hmm reachablity problems we must examine closely. If its
272 * not reachable, we may have lost a network. Or if there is
273 * NO protocol at the other end named SCTP. well we consider
276 if (net->dest_state & SCTP_ADDR_REACHABLE) {
277 /* Ok that destination is NOT reachable */
278 net->dest_state &= ~SCTP_ADDR_REACHABLE;
279 net->dest_state &= ~SCTP_ADDR_PF;
280 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
281 stcb, SCTP_FAILED_THRESHOLD,
282 (void *)net, SCTP_SO_NOT_LOCKED);
284 SCTP_TCB_UNLOCK(stcb);
285 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
286 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
288 * Here the peer is either playing tricks on us, including
289 * an address that belongs to someone who does not support
290 * SCTP OR was a userland implementation that shutdown and
291 * now is dead. In either case treat it like a OOTB abort
294 reason = SCTP_PEER_FAULTY;
295 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED);
296 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
297 so = SCTP_INP_SO(inp);
298 atomic_add_int(&stcb->asoc.refcnt, 1);
299 SCTP_TCB_UNLOCK(stcb);
300 SCTP_SOCKET_LOCK(so, 1);
302 atomic_subtract_int(&stcb->asoc.refcnt, 1);
304 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
305 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
306 SCTP_SOCKET_UNLOCK(so, 1);
307 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
309 /* no need to unlock here, since the TCB is gone */
311 SCTP_TCB_UNLOCK(stcb);
317 sctp_ctlinput(cmd, sa, vip)
326 /* FIX, for non-bsd is this right? */
327 vrf_id = SCTP_DEFAULT_VRFID;
328 if (sa->sa_family != AF_INET ||
329 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
332 if (PRC_IS_REDIRECT(cmd)) {
334 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
338 struct sctp_inpcb *inp = NULL;
339 struct sctp_tcb *stcb = NULL;
340 struct sctp_nets *net = NULL;
341 struct sockaddr_in to, from;
343 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
344 bzero(&to, sizeof(to));
345 bzero(&from, sizeof(from));
346 from.sin_family = to.sin_family = AF_INET;
347 from.sin_len = to.sin_len = sizeof(to);
348 from.sin_port = sh->src_port;
349 from.sin_addr = ip->ip_src;
350 to.sin_port = sh->dest_port;
351 to.sin_addr = ip->ip_dst;
354 * 'to' holds the dest of the packet that failed to be sent.
355 * 'from' holds our local endpoint address. Thus we reverse
356 * the to and the from in the lookup.
358 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from,
359 (struct sockaddr *)&to,
360 &inp, &net, 1, vrf_id);
361 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
362 if (cmd != PRC_MSGSIZE) {
363 sctp_notify(inp, ip, sh,
364 (struct sockaddr *)&to, stcb,
367 /* handle possible ICMP size messages */
368 sctp_notify_mbuf(inp, stcb, net, ip, sh);
371 if ((stcb == NULL) && (inp != NULL)) {
372 /* reduce ref-count */
374 SCTP_INP_DECR_REF(inp);
375 SCTP_INP_WUNLOCK(inp);
378 SCTP_TCB_UNLOCK(stcb);
388 sctp_getcred(SYSCTL_HANDLER_ARGS)
391 struct sockaddr_in addrs[2];
392 struct sctp_inpcb *inp;
393 struct sctp_nets *net;
394 struct sctp_tcb *stcb;
398 /* FIX, for non-bsd is this right? */
399 vrf_id = SCTP_DEFAULT_VRFID;
401 error = priv_check(req->td, PRIV_NETINET_GETCRED);
406 error = SYSCTL_IN(req, addrs, sizeof(addrs));
410 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]),
412 &inp, &net, 1, vrf_id);
413 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
414 if ((inp != NULL) && (stcb == NULL)) {
415 /* reduce ref-count */
417 SCTP_INP_DECR_REF(inp);
420 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
424 SCTP_TCB_UNLOCK(stcb);
426 * We use the write lock here, only since in the error leg we need
427 * it. If we used RLOCK, then we would have to
428 * wlock/decr/unlock/rlock. Which in theory could create a hole.
429 * Better to use higher wlock.
433 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
435 SCTP_INP_WUNLOCK(inp);
438 cru2x(inp->sctp_socket->so_cred, &xuc);
439 SCTP_INP_WUNLOCK(inp);
440 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
445 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
446 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
451 sctp_abort(struct socket *so)
453 struct sctp_inpcb *inp;
456 inp = (struct sctp_inpcb *)so->so_pcb;
461 flags = inp->sctp_flags;
462 #ifdef SCTP_LOG_CLOSING
463 sctp_log_closing(inp, NULL, 17);
465 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
466 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
467 #ifdef SCTP_LOG_CLOSING
468 sctp_log_closing(inp, NULL, 16);
470 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
471 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
473 SCTP_SB_CLEAR(so->so_snd);
475 * same for the rcv ones, they are only here for the
478 SCTP_SB_CLEAR(so->so_rcv);
480 /* Now null out the reference, we are completely detached. */
484 flags = inp->sctp_flags;
485 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
486 goto sctp_must_try_again;
493 sctp_attach(struct socket *so, int proto, struct thread *p)
495 struct sctp_inpcb *inp;
496 struct inpcb *ip_inp;
498 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
505 inp = (struct sctp_inpcb *)so->so_pcb;
507 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
510 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
511 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
516 error = sctp_inpcb_alloc(so, vrf_id);
520 inp = (struct sctp_inpcb *)so->so_pcb;
522 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
523 ip_inp = &inp->ip_inp.inp;
524 ip_inp->inp_vflag |= INP_IPV4;
525 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
527 error = ipsec_init_policy(so, &ip_inp->inp_sp);
528 #ifdef SCTP_LOG_CLOSING
529 sctp_log_closing(inp, NULL, 17);
533 flags = inp->sctp_flags;
534 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
535 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
536 #ifdef SCTP_LOG_CLOSING
537 sctp_log_closing(inp, NULL, 15);
539 SCTP_INP_WUNLOCK(inp);
540 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
541 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
543 flags = inp->sctp_flags;
544 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
547 SCTP_INP_WUNLOCK(inp);
553 SCTP_INP_WUNLOCK(inp);
558 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
560 struct sctp_inpcb *inp = NULL;
564 if (addr && addr->sa_family != AF_INET) {
565 /* must be a v4 address! */
566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
570 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) {
571 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
574 inp = (struct sctp_inpcb *)so->so_pcb;
576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
579 error = sctp_inpcb_bind(so, addr, NULL, p);
585 sctp_close(struct socket *so)
587 struct sctp_inpcb *inp;
590 inp = (struct sctp_inpcb *)so->so_pcb;
595 * Inform all the lower layer assoc that we are done.
598 flags = inp->sctp_flags;
599 #ifdef SCTP_LOG_CLOSING
600 sctp_log_closing(inp, NULL, 17);
602 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
603 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
604 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
605 (so->so_rcv.sb_cc > 0)) {
606 #ifdef SCTP_LOG_CLOSING
607 sctp_log_closing(inp, NULL, 13);
609 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
610 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
612 #ifdef SCTP_LOG_CLOSING
613 sctp_log_closing(inp, NULL, 14);
615 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
616 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
619 * The socket is now detached, no matter what the state of
620 * the SCTP association.
623 SCTP_SB_CLEAR(so->so_snd);
625 * same for the rcv ones, they are only here for the
628 SCTP_SB_CLEAR(so->so_rcv);
630 /* Now null out the reference, we are completely detached. */
634 flags = inp->sctp_flags;
635 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
636 goto sctp_must_try_again;
644 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
645 struct mbuf *control, struct thread *p);
649 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
650 struct mbuf *control, struct thread *p)
652 struct sctp_inpcb *inp;
655 inp = (struct sctp_inpcb *)so->so_pcb;
658 sctp_m_freem(control);
661 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
665 /* Got to have an to address if we are NOT a connected socket */
666 if ((addr == NULL) &&
667 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
668 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))
671 } else if (addr == NULL) {
672 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
673 error = EDESTADDRREQ;
676 sctp_m_freem(control);
682 if (addr->sa_family != AF_INET) {
683 /* must be a v4 address! */
684 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
687 sctp_m_freem(control);
690 error = EDESTADDRREQ;
695 /* now what about control */
698 SCTP_PRINTF("huh? control set?\n");
699 sctp_m_freem(inp->control);
702 inp->control = control;
706 SCTP_BUF_NEXT(inp->pkt_last) = m;
709 inp->pkt_last = inp->pkt = m;
712 /* FreeBSD uses a flag passed */
713 ((flags & PRUS_MORETOCOME) == 0)
716 * note with the current version this code will only be used
717 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
718 * re-defining sosend to use the sctp_sosend. One can
719 * optionally switch back to this code (by changing back the
720 * definitions) but this is not advisable. This code is used
721 * by FreeBSD when sending a file with sendfile() though.
725 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
735 sctp_disconnect(struct socket *so)
737 struct sctp_inpcb *inp;
739 inp = (struct sctp_inpcb *)so->so_pcb;
741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
747 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
749 SCTP_INP_RUNLOCK(inp);
752 struct sctp_association *asoc;
753 struct sctp_tcb *stcb;
755 stcb = LIST_FIRST(&inp->sctp_asoc_list);
757 SCTP_INP_RUNLOCK(inp);
758 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
763 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
764 /* We are about to be freed, out of here */
765 SCTP_TCB_UNLOCK(stcb);
766 SCTP_INP_RUNLOCK(inp);
769 if (((so->so_options & SO_LINGER) &&
770 (so->so_linger == 0)) ||
771 (so->so_rcv.sb_cc > 0)) {
772 if (SCTP_GET_STATE(asoc) !=
773 SCTP_STATE_COOKIE_WAIT) {
774 /* Left with Data unread */
777 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA);
783 struct sctp_paramhdr *ph;
785 ph = mtod(err, struct sctp_paramhdr *);
786 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
787 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
788 ph->param_length = htons(SCTP_BUF_LEN(err));
790 #if defined(SCTP_PANIC_ON_ABORT)
791 panic("disconnect does an abort");
793 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
794 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
796 SCTP_INP_RUNLOCK(inp);
797 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
798 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
799 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
801 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
802 /* No unlock tcb assoc is gone */
805 if (TAILQ_EMPTY(&asoc->send_queue) &&
806 TAILQ_EMPTY(&asoc->sent_queue) &&
807 (asoc->stream_queue_cnt == 0)) {
808 /* there is nothing queued to send, so done */
809 if (asoc->locked_on_sending) {
812 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
813 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
814 /* only send SHUTDOWN 1st time thru */
815 struct sctp_nets *netp;
817 if (stcb->asoc.alternate) {
818 netp = stcb->asoc.alternate;
820 netp = stcb->asoc.primary_destination;
822 sctp_stop_timers_for_shutdown(stcb);
823 sctp_send_shutdown(stcb, netp);
824 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
825 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
826 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
827 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
829 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
830 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
831 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
832 stcb->sctp_ep, stcb, netp);
833 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
834 stcb->sctp_ep, stcb, netp);
839 * we still got (or just got) data to send,
840 * so set SHUTDOWN_PENDING
843 * XXX sockets draft says that SCTP_EOF
844 * should be sent with no data. currently,
845 * we will allow user data to be sent first
846 * and move to SHUTDOWN-PENDING
848 struct sctp_nets *netp;
850 if (stcb->asoc.alternate) {
851 netp = stcb->asoc.alternate;
853 netp = stcb->asoc.primary_destination;
856 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
857 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
859 if (asoc->locked_on_sending) {
860 /* Locked to send out the data */
861 struct sctp_stream_queue_pending *sp;
863 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
865 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
866 asoc->locked_on_sending->stream_no);
868 if ((sp->length == 0) && (sp->msg_is_complete == 0))
869 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
872 if (TAILQ_EMPTY(&asoc->send_queue) &&
873 TAILQ_EMPTY(&asoc->sent_queue) &&
874 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
878 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
879 0, M_DONTWAIT, 1, MT_DATA);
885 struct sctp_paramhdr *ph;
888 SCTP_BUF_LEN(op_err) =
889 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
891 struct sctp_paramhdr *);
892 ph->param_type = htons(
893 SCTP_CAUSE_USER_INITIATED_ABT);
894 ph->param_length = htons(SCTP_BUF_LEN(op_err));
895 ippp = (uint32_t *) (ph + 1);
896 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4);
898 #if defined(SCTP_PANIC_ON_ABORT)
899 panic("disconnect does an abort");
902 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
903 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
904 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
905 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
906 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
907 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
909 SCTP_INP_RUNLOCK(inp);
910 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
913 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
916 soisdisconnecting(so);
917 SCTP_TCB_UNLOCK(stcb);
918 SCTP_INP_RUNLOCK(inp);
923 /* UDP model does not support this */
924 SCTP_INP_RUNLOCK(inp);
925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
931 sctp_flush(struct socket *so, int how)
934 * We will just clear out the values and let subsequent close clear
935 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
936 * they will not be able to read the data, the socket will block
937 * that from happening.
939 struct sctp_inpcb *inp;
941 inp = (struct sctp_inpcb *)so->so_pcb;
943 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
947 /* For the 1 to many model this does nothing */
948 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
949 SCTP_INP_RUNLOCK(inp);
952 SCTP_INP_RUNLOCK(inp);
953 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
955 * First make sure the sb will be happy, we don't use these
956 * except maybe the count
959 SCTP_INP_READ_LOCK(inp);
960 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
961 SCTP_INP_READ_UNLOCK(inp);
962 SCTP_INP_WUNLOCK(inp);
963 so->so_rcv.sb_cc = 0;
964 so->so_rcv.sb_mbcnt = 0;
965 so->so_rcv.sb_mb = NULL;
967 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
969 * First make sure the sb will be happy, we don't use these
970 * except maybe the count
972 so->so_snd.sb_cc = 0;
973 so->so_snd.sb_mbcnt = 0;
974 so->so_snd.sb_mb = NULL;
981 sctp_shutdown(struct socket *so)
983 struct sctp_inpcb *inp;
985 inp = (struct sctp_inpcb *)so->so_pcb;
987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
991 /* For UDP model this is a invalid call */
992 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
993 /* Restore the flags that the soshutdown took away. */
994 SOCKBUF_LOCK(&so->so_rcv);
995 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
996 SOCKBUF_UNLOCK(&so->so_rcv);
997 /* This proc will wakeup for read and do nothing (I hope) */
998 SCTP_INP_RUNLOCK(inp);
999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1000 return (EOPNOTSUPP);
1003 * Ok if we reach here its the TCP model and it is either a SHUT_WR
1004 * or SHUT_RDWR. This means we put the shutdown flag against it.
1007 struct sctp_tcb *stcb;
1008 struct sctp_association *asoc;
1011 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
1012 SCTP_INP_RUNLOCK(inp);
1017 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1020 * Ok we hit the case that the shutdown call was
1021 * made after an abort or something. Nothing to do
1024 SCTP_INP_RUNLOCK(inp);
1027 SCTP_TCB_LOCK(stcb);
1029 if (TAILQ_EMPTY(&asoc->send_queue) &&
1030 TAILQ_EMPTY(&asoc->sent_queue) &&
1031 (asoc->stream_queue_cnt == 0)) {
1032 if (asoc->locked_on_sending) {
1035 /* there is nothing queued to send, so I'm done... */
1036 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
1037 /* only send SHUTDOWN the first time through */
1038 struct sctp_nets *netp;
1040 if (stcb->asoc.alternate) {
1041 netp = stcb->asoc.alternate;
1043 netp = stcb->asoc.primary_destination;
1045 sctp_stop_timers_for_shutdown(stcb);
1046 sctp_send_shutdown(stcb, netp);
1047 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1048 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1049 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1050 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1052 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1053 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1054 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1055 stcb->sctp_ep, stcb, netp);
1056 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1057 stcb->sctp_ep, stcb, netp);
1061 * we still got (or just got) data to send, so set
1064 struct sctp_nets *netp;
1066 if (stcb->asoc.alternate) {
1067 netp = stcb->asoc.alternate;
1069 netp = stcb->asoc.primary_destination;
1072 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1073 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1076 if (asoc->locked_on_sending) {
1077 /* Locked to send out the data */
1078 struct sctp_stream_queue_pending *sp;
1080 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1082 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1083 asoc->locked_on_sending->stream_no);
1085 if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
1086 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1090 if (TAILQ_EMPTY(&asoc->send_queue) &&
1091 TAILQ_EMPTY(&asoc->sent_queue) &&
1092 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1093 struct mbuf *op_err;
1096 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
1097 0, M_DONTWAIT, 1, MT_DATA);
1099 /* Fill in the user initiated abort */
1100 struct sctp_paramhdr *ph;
1103 SCTP_BUF_LEN(op_err) =
1104 sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
1106 struct sctp_paramhdr *);
1107 ph->param_type = htons(
1108 SCTP_CAUSE_USER_INITIATED_ABT);
1109 ph->param_length = htons(SCTP_BUF_LEN(op_err));
1110 ippp = (uint32_t *) (ph + 1);
1111 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
1113 #if defined(SCTP_PANIC_ON_ABORT)
1114 panic("shutdown does an abort");
1116 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
1117 sctp_abort_an_association(stcb->sctp_ep, stcb,
1118 SCTP_RESPONSE_TO_USER_REQ,
1119 op_err, SCTP_SO_LOCKED);
1122 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1125 SCTP_TCB_UNLOCK(stcb);
1128 SCTP_INP_RUNLOCK(inp);
1133 * copies a "user" presentable address and removes embedded scope, etc.
1134 * returns 0 on success, 1 on error
1137 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1140 struct sockaddr_in6 lsa6;
1142 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1145 memcpy(ss, sa, sa->sa_len);
1152 * NOTE: assumes addr lock is held
1155 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1156 struct sctp_tcb *stcb,
1158 struct sockaddr_storage *sas,
1161 struct sctp_ifn *sctp_ifn;
1162 struct sctp_ifa *sctp_ifa;
1163 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
1165 int ipv4_addr_legal, ipv6_addr_legal;
1166 struct sctp_vrf *vrf;
1173 /* Turn on all the appropriate scope */
1174 loopback_scope = stcb->asoc.loopback_scope;
1175 ipv4_local_scope = stcb->asoc.ipv4_local_scope;
1176 local_scope = stcb->asoc.local_scope;
1177 site_scope = stcb->asoc.site_scope;
1179 /* Turn on ALL scope, since we look at the EP */
1180 loopback_scope = ipv4_local_scope = local_scope =
1183 ipv4_addr_legal = ipv6_addr_legal = 0;
1184 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1185 ipv6_addr_legal = 1;
1186 if (SCTP_IPV6_V6ONLY(inp) == 0) {
1187 ipv4_addr_legal = 1;
1190 ipv4_addr_legal = 1;
1192 vrf = sctp_find_vrf(vrf_id);
1196 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1197 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1198 if ((loopback_scope == 0) &&
1199 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1200 /* Skip loopback if loopback_scope not set */
1203 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1206 * For the BOUND-ALL case, the list
1207 * associated with a TCB is Always
1208 * considered a reverse list.. i.e.
1209 * it lists addresses that are NOT
1210 * part of the association. If this
1211 * is one of those we must skip it.
1213 if (sctp_is_addr_restricted(stcb,
1218 switch (sctp_ifa->address.sa.sa_family) {
1221 if (ipv4_addr_legal) {
1222 struct sockaddr_in *sin;
1224 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
1225 if (sin->sin_addr.s_addr == 0) {
1233 if ((ipv4_local_scope == 0) &&
1234 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1238 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1239 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1240 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1241 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1242 actual += sizeof(struct sockaddr_in6);
1245 memcpy(sas, sin, sizeof(*sin));
1246 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1247 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1248 actual += sizeof(*sin);
1252 if (actual >= limit) {
1262 if (ipv6_addr_legal) {
1263 struct sockaddr_in6 *sin6;
1265 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
1266 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1274 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1275 if (local_scope == 0)
1277 if (sin6->sin6_scope_id == 0) {
1278 if (sa6_recoverscope(sin6) != 0)
1296 if ((site_scope == 0) &&
1297 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1300 memcpy(sas, sin6, sizeof(*sin6));
1301 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1302 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1303 actual += sizeof(*sin6);
1304 if (actual >= limit) {
1319 struct sctp_laddr *laddr;
1321 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1323 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1327 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1330 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1331 sas = (struct sockaddr_storage *)((caddr_t)sas +
1332 laddr->ifa->address.sa.sa_len);
1333 actual += laddr->ifa->address.sa.sa_len;
1334 if (actual >= limit) {
1343 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1344 struct sctp_tcb *stcb,
1346 struct sockaddr_storage *sas)
1350 SCTP_IPI_ADDR_RLOCK();
1351 /* fill up addresses for the endpoint's default vrf */
1352 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1354 SCTP_IPI_ADDR_RUNLOCK();
1359 * NOTE: assumes addr lock is held
1362 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1365 struct sctp_vrf *vrf = NULL;
1368 * In both sub-set bound an bound_all cases we return the MAXIMUM
1369 * number of addresses that you COULD get. In reality the sub-set
1370 * bound may have an exclusion list for a given TCB OR in the
1371 * bound-all case a TCB may NOT include the loopback or other
1372 * addresses as well.
1374 vrf = sctp_find_vrf(vrf_id);
1378 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1379 struct sctp_ifn *sctp_ifn;
1380 struct sctp_ifa *sctp_ifa;
1382 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1383 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1384 /* Count them if they are the right type */
1385 switch (sctp_ifa->address.sa.sa_family) {
1388 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1389 cnt += sizeof(struct sockaddr_in6);
1391 cnt += sizeof(struct sockaddr_in);
1396 cnt += sizeof(struct sockaddr_in6);
1405 struct sctp_laddr *laddr;
1407 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1408 switch (laddr->ifa->address.sa.sa_family) {
1411 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1412 cnt += sizeof(struct sockaddr_in6);
1414 cnt += sizeof(struct sockaddr_in);
1419 cnt += sizeof(struct sockaddr_in6);
1431 sctp_count_max_addresses(struct sctp_inpcb *inp)
1435 SCTP_IPI_ADDR_RLOCK();
1436 /* count addresses for the endpoint's default VRF */
1437 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1438 SCTP_IPI_ADDR_RUNLOCK();
1443 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1444 size_t optsize, void *p, int delay)
1447 int creat_lock_on = 0;
1448 struct sctp_tcb *stcb = NULL;
1449 struct sockaddr *sa;
1450 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1452 int bad_addresses = 0;
1455 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1458 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1459 /* We are already connected AND the TCP model */
1460 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1461 return (EADDRINUSE);
1463 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1464 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1465 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1468 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1469 SCTP_INP_RLOCK(inp);
1470 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1471 SCTP_INP_RUNLOCK(inp);
1474 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1477 SCTP_INP_INCR_REF(inp);
1478 SCTP_ASOC_CREATE_LOCK(inp);
1480 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1481 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1482 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1486 totaddrp = (int *)optval;
1487 totaddr = *totaddrp;
1488 sa = (struct sockaddr *)(totaddrp + 1);
1489 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
1490 if ((stcb != NULL) || bad_addresses) {
1491 /* Already have or am bring up an association */
1492 SCTP_ASOC_CREATE_UNLOCK(inp);
1495 SCTP_TCB_UNLOCK(stcb);
1496 if (bad_addresses == 0) {
1497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1503 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1508 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1510 struct in6pcb *inp6;
1512 inp6 = (struct in6pcb *)inp;
1513 if (SCTP_IPV6_V6ONLY(inp6)) {
1515 * if IPV6_V6ONLY flag, ignore connections destined
1516 * to a v4 addr or v4-mapped addr
1518 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1524 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1525 SCTP_PCB_FLAGS_UNBOUND) {
1526 /* Bind a ephemeral port */
1527 error = sctp_inpcb_bind(so, NULL, NULL, p);
1532 /* FIX ME: do we want to pass in a vrf on the connect call? */
1533 vrf_id = inp->def_vrf_id;
1536 /* We are GOOD to go */
1537 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
1541 /* Gak! no memory */
1544 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1545 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1546 /* Set the connected flag so we can queue data */
1549 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
1550 /* move to second address */
1551 switch (sa->sa_family) {
1554 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1559 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1567 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1568 /* Fill in the return id */
1570 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
1573 a_id = (sctp_assoc_t *) optval;
1574 *a_id = sctp_get_associd(stcb);
1576 /* initialize authentication parameters for the assoc */
1577 sctp_initialize_auth_params(inp, stcb);
1580 /* doing delayed connection */
1581 stcb->asoc.delayed_connection = 1;
1582 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1584 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1585 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1587 SCTP_TCB_UNLOCK(stcb);
1588 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1589 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1590 /* Set the connected flag so we can queue data */
1594 if (creat_lock_on) {
1595 SCTP_ASOC_CREATE_UNLOCK(inp);
1597 SCTP_INP_DECR_REF(inp);
1601 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1602 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1603 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1604 SCTP_INP_RLOCK(inp); \
1605 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1607 SCTP_TCB_LOCK(stcb); \
1609 SCTP_INP_RUNLOCK(inp); \
1610 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1611 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1612 if (stcb == NULL) { \
1613 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1623 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1624 if (size < sizeof(type)) { \
1625 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1629 destp = (type *)srcp; \
1634 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1637 struct sctp_inpcb *inp = NULL;
1639 struct sctp_tcb *stcb = NULL;
1641 if (optval == NULL) {
1642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1645 inp = (struct sctp_inpcb *)so->so_pcb;
1647 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1654 case SCTP_AUTOCLOSE:
1655 case SCTP_EXPLICIT_EOR:
1656 case SCTP_AUTO_ASCONF:
1657 case SCTP_DISABLE_FRAGMENTS:
1658 case SCTP_I_WANT_MAPPED_V4_ADDR:
1659 case SCTP_USE_EXT_RCVINFO:
1660 SCTP_INP_RLOCK(inp);
1662 case SCTP_DISABLE_FRAGMENTS:
1663 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1665 case SCTP_I_WANT_MAPPED_V4_ADDR:
1666 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1668 case SCTP_AUTO_ASCONF:
1669 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1670 /* only valid for bound all sockets */
1671 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1673 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1678 case SCTP_EXPLICIT_EOR:
1679 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1682 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1684 case SCTP_USE_EXT_RCVINFO:
1685 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1687 case SCTP_AUTOCLOSE:
1688 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1689 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1695 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1696 error = ENOPROTOOPT;
1697 } /* end switch (sopt->sopt_name) */
1698 if (*optsize < sizeof(val)) {
1699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1703 SCTP_INP_RUNLOCK(inp);
1705 /* return the option value */
1706 *(int *)optval = val;
1707 *optsize = sizeof(val);
1710 case SCTP_GET_PACKET_LOG:
1712 #ifdef SCTP_PACKET_LOGGING
1716 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1717 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1720 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1725 case SCTP_REUSE_PORT:
1729 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1730 /* Can't do this for a 1-m socket */
1734 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1735 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1736 *optsize = sizeof(uint32_t);
1739 case SCTP_PARTIAL_DELIVERY_POINT:
1743 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1744 *value = inp->partial_delivery_point;
1745 *optsize = sizeof(uint32_t);
1748 case SCTP_FRAGMENT_INTERLEAVE:
1752 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1754 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1755 *value = SCTP_FRAG_LEVEL_2;
1757 *value = SCTP_FRAG_LEVEL_1;
1760 *value = SCTP_FRAG_LEVEL_0;
1762 *optsize = sizeof(uint32_t);
1765 case SCTP_CMT_ON_OFF:
1767 struct sctp_assoc_value *av;
1769 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1770 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1772 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1773 SCTP_TCB_UNLOCK(stcb);
1775 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1776 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1777 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1778 SCTP_INP_RLOCK(inp);
1779 av->assoc_value = inp->sctp_cmt_on_off;
1780 SCTP_INP_RUNLOCK(inp);
1782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1787 *optsize = sizeof(struct sctp_assoc_value);
1791 case SCTP_PLUGGABLE_CC:
1793 struct sctp_assoc_value *av;
1795 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1796 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1798 av->assoc_value = stcb->asoc.congestion_control_module;
1799 SCTP_TCB_UNLOCK(stcb);
1801 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1802 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1803 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1804 SCTP_INP_RLOCK(inp);
1805 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1806 SCTP_INP_RUNLOCK(inp);
1808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1813 *optsize = sizeof(struct sctp_assoc_value);
1817 case SCTP_CC_OPTION:
1819 struct sctp_cc_option *cc_opt;
1821 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1822 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1826 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1829 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1830 *optsize = sizeof(struct sctp_cc_option);
1832 SCTP_TCB_UNLOCK(stcb);
1836 case SCTP_PLUGGABLE_SS:
1838 struct sctp_assoc_value *av;
1840 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1841 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1843 av->assoc_value = stcb->asoc.stream_scheduling_module;
1844 SCTP_TCB_UNLOCK(stcb);
1846 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1847 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1848 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1849 SCTP_INP_RLOCK(inp);
1850 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1851 SCTP_INP_RUNLOCK(inp);
1853 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1858 *optsize = sizeof(struct sctp_assoc_value);
1864 struct sctp_stream_value *av;
1866 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1867 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1869 if (stcb->asoc.ss_functions.sctp_ss_get_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
1870 &av->stream_value) < 0) {
1871 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1874 *optsize = sizeof(struct sctp_stream_value);
1876 SCTP_TCB_UNLOCK(stcb);
1879 * Can't get stream value without
1882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1887 case SCTP_GET_ADDR_LEN:
1889 struct sctp_assoc_value *av;
1891 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1894 if (av->assoc_value == AF_INET) {
1895 av->assoc_value = sizeof(struct sockaddr_in);
1900 if (av->assoc_value == AF_INET6) {
1901 av->assoc_value = sizeof(struct sockaddr_in6);
1906 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1908 *optsize = sizeof(struct sctp_assoc_value);
1912 case SCTP_GET_ASSOC_NUMBER:
1914 uint32_t *value, cnt;
1916 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1918 SCTP_INP_RLOCK(inp);
1919 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1922 SCTP_INP_RUNLOCK(inp);
1924 *optsize = sizeof(uint32_t);
1927 case SCTP_GET_ASSOC_ID_LIST:
1929 struct sctp_assoc_ids *ids;
1930 unsigned int at, limit;
1932 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1934 limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
1935 SCTP_INP_RLOCK(inp);
1936 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1938 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1945 SCTP_INP_RUNLOCK(inp);
1947 ids->gaids_number_of_ids = at;
1948 *optsize = ((at * sizeof(sctp_assoc_t)) + sizeof(uint32_t));
1954 struct sctp_assoc_value *av;
1956 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1957 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1960 av->assoc_value = stcb->asoc.context;
1961 SCTP_TCB_UNLOCK(stcb);
1963 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1964 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1965 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1966 SCTP_INP_RLOCK(inp);
1967 av->assoc_value = inp->sctp_context;
1968 SCTP_INP_RUNLOCK(inp);
1970 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1975 *optsize = sizeof(struct sctp_assoc_value);
1981 uint32_t *default_vrfid;
1983 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1984 *default_vrfid = inp->def_vrf_id;
1985 *optsize = sizeof(uint32_t);
1988 case SCTP_GET_ASOC_VRF:
1990 struct sctp_assoc_value *id;
1992 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1993 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1996 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1998 id->assoc_value = stcb->asoc.vrf_id;
1999 *optsize = sizeof(struct sctp_assoc_value);
2003 case SCTP_GET_VRF_IDS:
2005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2009 case SCTP_GET_NONCE_VALUES:
2011 struct sctp_get_nonce_values *gnv;
2013 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
2014 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
2017 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
2018 gnv->gn_local_tag = stcb->asoc.my_vtag;
2019 SCTP_TCB_UNLOCK(stcb);
2020 *optsize = sizeof(struct sctp_get_nonce_values);
2022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2027 case SCTP_DELAYED_SACK:
2029 struct sctp_sack_info *sack;
2031 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
2032 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2034 sack->sack_delay = stcb->asoc.delayed_ack;
2035 sack->sack_freq = stcb->asoc.sack_freq;
2036 SCTP_TCB_UNLOCK(stcb);
2038 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2039 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2040 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC)) {
2041 SCTP_INP_RLOCK(inp);
2042 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
2043 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
2044 SCTP_INP_RUNLOCK(inp);
2046 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2051 *optsize = sizeof(struct sctp_sack_info);
2055 case SCTP_GET_SNDBUF_USE:
2057 struct sctp_sockstat *ss;
2059 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
2060 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
2063 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
2064 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
2065 stcb->asoc.size_on_all_streams);
2066 SCTP_TCB_UNLOCK(stcb);
2067 *optsize = sizeof(struct sctp_sockstat);
2069 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2074 case SCTP_MAX_BURST:
2076 struct sctp_assoc_value *av;
2078 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2079 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2082 av->assoc_value = stcb->asoc.max_burst;
2083 SCTP_TCB_UNLOCK(stcb);
2085 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2086 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2087 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2088 SCTP_INP_RLOCK(inp);
2089 av->assoc_value = inp->sctp_ep.max_burst;
2090 SCTP_INP_RUNLOCK(inp);
2092 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2097 *optsize = sizeof(struct sctp_assoc_value);
2103 struct sctp_assoc_value *av;
2106 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
2107 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2110 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
2111 SCTP_TCB_UNLOCK(stcb);
2113 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2114 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2115 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
2116 SCTP_INP_RLOCK(inp);
2117 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2118 ovh = SCTP_MED_OVERHEAD;
2120 ovh = SCTP_MED_V4_OVERHEAD;
2122 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
2123 av->assoc_value = 0;
2125 av->assoc_value = inp->sctp_frag_point - ovh;
2126 SCTP_INP_RUNLOCK(inp);
2128 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2133 *optsize = sizeof(struct sctp_assoc_value);
2137 case SCTP_GET_STAT_LOG:
2138 error = sctp_fill_stat_log(optval, optsize);
2142 struct sctp_event_subscribe *events;
2144 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
2145 memset(events, 0, sizeof(struct sctp_event_subscribe));
2146 SCTP_INP_RLOCK(inp);
2147 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
2148 events->sctp_data_io_event = 1;
2150 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
2151 events->sctp_association_event = 1;
2153 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
2154 events->sctp_address_event = 1;
2156 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
2157 events->sctp_send_failure_event = 1;
2159 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
2160 events->sctp_peer_error_event = 1;
2162 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
2163 events->sctp_shutdown_event = 1;
2165 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
2166 events->sctp_partial_delivery_event = 1;
2168 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
2169 events->sctp_adaptation_layer_event = 1;
2171 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
2172 events->sctp_authentication_event = 1;
2174 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT))
2175 events->sctp_sender_dry_event = 1;
2177 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
2178 events->sctp_stream_reset_event = 1;
2179 SCTP_INP_RUNLOCK(inp);
2180 *optsize = sizeof(struct sctp_event_subscribe);
2183 case SCTP_ADAPTATION_LAYER:
2187 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2189 SCTP_INP_RLOCK(inp);
2190 *value = inp->sctp_ep.adaptation_layer_indicator;
2191 SCTP_INP_RUNLOCK(inp);
2192 *optsize = sizeof(uint32_t);
2195 case SCTP_SET_INITIAL_DBG_SEQ:
2199 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2200 SCTP_INP_RLOCK(inp);
2201 *value = inp->sctp_ep.initial_sequence_debug;
2202 SCTP_INP_RUNLOCK(inp);
2203 *optsize = sizeof(uint32_t);
2206 case SCTP_GET_LOCAL_ADDR_SIZE:
2210 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2211 SCTP_INP_RLOCK(inp);
2212 *value = sctp_count_max_addresses(inp);
2213 SCTP_INP_RUNLOCK(inp);
2214 *optsize = sizeof(uint32_t);
2217 case SCTP_GET_REMOTE_ADDR_SIZE:
2221 struct sctp_nets *net;
2223 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
2224 /* FIXME MT: change to sctp_assoc_value? */
2225 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
2229 /* Count the sizes */
2230 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2231 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2232 size += sizeof(struct sockaddr_in6);
2234 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2237 size += sizeof(struct sockaddr_in);
2242 size += sizeof(struct sockaddr_in6);
2250 SCTP_TCB_UNLOCK(stcb);
2251 *value = (uint32_t) size;
2252 *optsize = sizeof(uint32_t);
2254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2259 case SCTP_GET_PEER_ADDRESSES:
2261 * Get the address information, an array is passed in to
2262 * fill up we pack it.
2266 struct sockaddr_storage *sas;
2267 struct sctp_nets *net;
2268 struct sctp_getaddresses *saddr;
2270 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2271 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2274 left = (*optsize) - sizeof(struct sctp_getaddresses);
2275 *optsize = sizeof(struct sctp_getaddresses);
2276 sas = (struct sockaddr_storage *)&saddr->addr[0];
2278 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2279 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2280 cpsz = sizeof(struct sockaddr_in6);
2282 switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
2285 cpsz = sizeof(struct sockaddr_in);
2290 cpsz = sizeof(struct sockaddr_in6);
2302 /* not enough room. */
2305 #if defined(INET) && defined(INET6)
2306 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2307 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
2308 /* Must map the address */
2309 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
2310 (struct sockaddr_in6 *)sas);
2313 memcpy(sas, &net->ro._l_addr, cpsz);
2314 #if defined(INET) && defined(INET6)
2317 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2319 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2323 SCTP_TCB_UNLOCK(stcb);
2325 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2330 case SCTP_GET_LOCAL_ADDRESSES:
2332 size_t limit, actual;
2333 struct sockaddr_storage *sas;
2334 struct sctp_getaddresses *saddr;
2336 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2337 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2339 sas = (struct sockaddr_storage *)&saddr->addr[0];
2340 limit = *optsize - sizeof(sctp_assoc_t);
2341 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2343 SCTP_TCB_UNLOCK(stcb);
2345 *optsize = sizeof(struct sockaddr_storage) + actual;
2348 case SCTP_PEER_ADDR_PARAMS:
2350 struct sctp_paddrparams *paddrp;
2351 struct sctp_nets *net;
2353 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2354 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2358 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
2361 * We increment here since
2362 * sctp_findassociation_ep_addr() wil do a
2363 * decrement if it finds the stcb as long as
2364 * the locked tcb (last argument) is NOT a
2367 SCTP_INP_INCR_REF(inp);
2368 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
2370 SCTP_INP_DECR_REF(inp);
2373 if (stcb && (net == NULL)) {
2374 struct sockaddr *sa;
2376 sa = (struct sockaddr *)&paddrp->spp_address;
2378 if (sa->sa_family == AF_INET) {
2379 struct sockaddr_in *sin;
2381 sin = (struct sockaddr_in *)sa;
2382 if (sin->sin_addr.s_addr) {
2384 SCTP_TCB_UNLOCK(stcb);
2385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2391 if (sa->sa_family == AF_INET6) {
2392 struct sockaddr_in6 *sin6;
2394 sin6 = (struct sockaddr_in6 *)sa;
2395 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2397 SCTP_TCB_UNLOCK(stcb);
2398 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2404 error = EAFNOSUPPORT;
2405 SCTP_TCB_UNLOCK(stcb);
2406 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2411 /* Applies to the specific association */
2412 paddrp->spp_flags = 0;
2416 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2417 ovh = SCTP_MED_OVERHEAD;
2419 ovh = SCTP_MED_V4_OVERHEAD;
2422 paddrp->spp_hbinterval = net->heart_beat_delay;
2423 paddrp->spp_pathmaxrxt = net->failure_threshold;
2424 paddrp->spp_pathmtu = net->mtu - ovh;
2425 /* get flags for HB */
2426 if (net->dest_state & SCTP_ADDR_NOHB) {
2427 paddrp->spp_flags |= SPP_HB_DISABLE;
2429 paddrp->spp_flags |= SPP_HB_ENABLE;
2431 /* get flags for PMTU */
2432 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2433 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2435 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2437 if (net->dscp & 0x01) {
2438 paddrp->spp_dscp = net->dscp & 0xfc;
2439 paddrp->spp_flags |= SPP_DSCP;
2442 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2443 (net->flowlabel & 0x80000000)) {
2444 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2445 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2450 * No destination so return default
2453 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2454 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
2455 if (stcb->asoc.default_dscp & 0x01) {
2456 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2457 paddrp->spp_flags |= SPP_DSCP;
2460 if (stcb->asoc.default_flowlabel & 0x80000000) {
2461 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2462 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2465 /* default settings should be these */
2466 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2467 paddrp->spp_flags |= SPP_HB_DISABLE;
2469 paddrp->spp_flags |= SPP_HB_ENABLE;
2471 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2472 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2474 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2476 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2478 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2479 SCTP_TCB_UNLOCK(stcb);
2481 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2482 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2483 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
2484 /* Use endpoint defaults */
2485 SCTP_INP_RLOCK(inp);
2486 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2487 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2488 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2489 /* get inp's default */
2490 if (inp->sctp_ep.default_dscp & 0x01) {
2491 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2492 paddrp->spp_flags |= SPP_DSCP;
2495 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2496 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2497 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2498 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2501 /* can't return this */
2502 paddrp->spp_pathmtu = 0;
2504 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2505 paddrp->spp_flags |= SPP_HB_ENABLE;
2507 paddrp->spp_flags |= SPP_HB_DISABLE;
2509 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2510 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2512 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2514 SCTP_INP_RUNLOCK(inp);
2516 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2521 *optsize = sizeof(struct sctp_paddrparams);
2525 case SCTP_GET_PEER_ADDR_INFO:
2527 struct sctp_paddrinfo *paddri;
2528 struct sctp_nets *net;
2530 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2531 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2535 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
2538 * We increment here since
2539 * sctp_findassociation_ep_addr() wil do a
2540 * decrement if it finds the stcb as long as
2541 * the locked tcb (last argument) is NOT a
2544 SCTP_INP_INCR_REF(inp);
2545 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
2547 SCTP_INP_DECR_REF(inp);
2551 if ((stcb) && (net)) {
2552 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2553 /* It's unconfirmed */
2554 paddri->spinfo_state = SCTP_UNCONFIRMED;
2555 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2557 paddri->spinfo_state = SCTP_ACTIVE;
2560 paddri->spinfo_state = SCTP_INACTIVE;
2562 paddri->spinfo_cwnd = net->cwnd;
2563 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2564 paddri->spinfo_rto = net->RTO;
2565 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2566 paddri->spinfo_mtu = net->mtu;
2567 SCTP_TCB_UNLOCK(stcb);
2568 *optsize = sizeof(struct sctp_paddrinfo);
2571 SCTP_TCB_UNLOCK(stcb);
2573 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2578 case SCTP_PCB_STATUS:
2580 struct sctp_pcbinfo *spcb;
2582 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2583 sctp_fill_pcbinfo(spcb);
2584 *optsize = sizeof(struct sctp_pcbinfo);
2589 struct sctp_nets *net;
2590 struct sctp_status *sstat;
2592 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2593 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2601 * I think passing the state is fine since
2602 * sctp_constants.h will be available to the user
2605 sstat->sstat_state = stcb->asoc.state;
2606 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2607 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2608 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2610 * We can't include chunks that have been passed to
2611 * the socket layer. Only things in queue.
2613 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2614 stcb->asoc.cnt_on_all_streams);
2617 sstat->sstat_instrms = stcb->asoc.streamincnt;
2618 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2619 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2620 memcpy(&sstat->sstat_primary.spinfo_address,
2621 &stcb->asoc.primary_destination->ro._l_addr,
2622 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2623 net = stcb->asoc.primary_destination;
2624 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2626 * Again the user can get info from sctp_constants.h
2627 * for what the state of the network is.
2629 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2630 /* It's unconfirmed */
2631 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2632 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2634 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2637 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2639 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2640 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2641 sstat->sstat_primary.spinfo_rto = net->RTO;
2642 sstat->sstat_primary.spinfo_mtu = net->mtu;
2643 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2644 SCTP_TCB_UNLOCK(stcb);
2645 *optsize = sizeof(struct sctp_status);
2650 struct sctp_rtoinfo *srto;
2652 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2653 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2656 srto->srto_initial = stcb->asoc.initial_rto;
2657 srto->srto_max = stcb->asoc.maxrto;
2658 srto->srto_min = stcb->asoc.minrto;
2659 SCTP_TCB_UNLOCK(stcb);
2661 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2662 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2663 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
2664 SCTP_INP_RLOCK(inp);
2665 srto->srto_initial = inp->sctp_ep.initial_rto;
2666 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2667 srto->srto_min = inp->sctp_ep.sctp_minrto;
2668 SCTP_INP_RUNLOCK(inp);
2670 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2675 *optsize = sizeof(struct sctp_rtoinfo);
2681 struct sctp_timeouts *stimo;
2683 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2684 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2687 stimo->stimo_init = stcb->asoc.timoinit;
2688 stimo->stimo_data = stcb->asoc.timodata;
2689 stimo->stimo_sack = stcb->asoc.timosack;
2690 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2691 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2692 stimo->stimo_cookie = stcb->asoc.timocookie;
2693 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2694 SCTP_TCB_UNLOCK(stcb);
2695 *optsize = sizeof(struct sctp_timeouts);
2697 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2702 case SCTP_ASSOCINFO:
2704 struct sctp_assocparams *sasoc;
2706 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2707 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2710 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2711 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2712 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2713 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2714 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2715 SCTP_TCB_UNLOCK(stcb);
2717 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2718 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2719 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
2720 SCTP_INP_RLOCK(inp);
2721 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2722 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2723 sasoc->sasoc_number_peer_destinations = 0;
2724 sasoc->sasoc_peer_rwnd = 0;
2725 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2726 SCTP_INP_RUNLOCK(inp);
2728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2733 *optsize = sizeof(struct sctp_assocparams);
2737 case SCTP_DEFAULT_SEND_PARAM:
2739 struct sctp_sndrcvinfo *s_info;
2741 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2742 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2745 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2746 SCTP_TCB_UNLOCK(stcb);
2748 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2749 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2750 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
2751 SCTP_INP_RLOCK(inp);
2752 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2753 SCTP_INP_RUNLOCK(inp);
2755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2760 *optsize = sizeof(struct sctp_sndrcvinfo);
2766 struct sctp_initmsg *sinit;
2768 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2769 SCTP_INP_RLOCK(inp);
2770 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2771 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2772 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2773 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2774 SCTP_INP_RUNLOCK(inp);
2775 *optsize = sizeof(struct sctp_initmsg);
2778 case SCTP_PRIMARY_ADDR:
2779 /* we allow a "get" operation on this */
2781 struct sctp_setprim *ssp;
2783 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2784 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2787 /* simply copy out the sockaddr_storage... */
2791 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
2792 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
2794 memcpy(&ssp->ssp_addr,
2795 &stcb->asoc.primary_destination->ro._l_addr,
2797 SCTP_TCB_UNLOCK(stcb);
2798 *optsize = sizeof(struct sctp_setprim);
2800 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2805 case SCTP_HMAC_IDENT:
2807 struct sctp_hmacalgo *shmac;
2808 sctp_hmaclist_t *hmaclist;
2812 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2814 SCTP_INP_RLOCK(inp);
2815 hmaclist = inp->sctp_ep.local_hmacs;
2816 if (hmaclist == NULL) {
2817 /* no HMACs to return */
2818 *optsize = sizeof(*shmac);
2819 SCTP_INP_RUNLOCK(inp);
2822 /* is there room for all of the hmac ids? */
2823 size = sizeof(*shmac) + (hmaclist->num_algo *
2824 sizeof(shmac->shmac_idents[0]));
2825 if ((size_t)(*optsize) < size) {
2826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2828 SCTP_INP_RUNLOCK(inp);
2831 /* copy in the list */
2832 shmac->shmac_number_of_idents = hmaclist->num_algo;
2833 for (i = 0; i < hmaclist->num_algo; i++) {
2834 shmac->shmac_idents[i] = hmaclist->hmac[i];
2836 SCTP_INP_RUNLOCK(inp);
2840 case SCTP_AUTH_ACTIVE_KEY:
2842 struct sctp_authkeyid *scact;
2844 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2845 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2848 /* get the active key on the assoc */
2849 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2850 SCTP_TCB_UNLOCK(stcb);
2852 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2853 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2854 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
2855 /* get the endpoint active key */
2856 SCTP_INP_RLOCK(inp);
2857 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2858 SCTP_INP_RUNLOCK(inp);
2860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2865 *optsize = sizeof(struct sctp_authkeyid);
2869 case SCTP_LOCAL_AUTH_CHUNKS:
2871 struct sctp_authchunks *sac;
2872 sctp_auth_chklist_t *chklist = NULL;
2875 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2876 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2879 /* get off the assoc */
2880 chklist = stcb->asoc.local_auth_chunks;
2881 /* is there enough space? */
2882 size = sctp_auth_get_chklist_size(chklist);
2883 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2885 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2887 /* copy in the chunks */
2888 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2889 *optsize = sizeof(struct sctp_authchunks) + size;
2891 SCTP_TCB_UNLOCK(stcb);
2893 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2894 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2895 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
2896 /* get off the endpoint */
2897 SCTP_INP_RLOCK(inp);
2898 chklist = inp->sctp_ep.local_auth_chunks;
2899 /* is there enough space? */
2900 size = sctp_auth_get_chklist_size(chklist);
2901 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2903 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2905 /* copy in the chunks */
2906 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2907 *optsize = sizeof(struct sctp_authchunks) + size;
2909 SCTP_INP_RUNLOCK(inp);
2911 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2917 case SCTP_PEER_AUTH_CHUNKS:
2919 struct sctp_authchunks *sac;
2920 sctp_auth_chklist_t *chklist = NULL;
2923 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2924 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2927 /* get off the assoc */
2928 chklist = stcb->asoc.peer_auth_chunks;
2929 /* is there enough space? */
2930 size = sctp_auth_get_chklist_size(chklist);
2931 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2933 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2935 /* copy in the chunks */
2936 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2937 *optsize = sizeof(struct sctp_authchunks) + size;
2939 SCTP_TCB_UNLOCK(stcb);
2941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2948 struct sctp_event *event;
2949 uint32_t event_type;
2951 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
2952 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
2954 switch (event->se_type) {
2955 case SCTP_ASSOC_CHANGE:
2956 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
2958 case SCTP_PEER_ADDR_CHANGE:
2959 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
2961 case SCTP_REMOTE_ERROR:
2962 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
2964 case SCTP_SEND_FAILED:
2965 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
2967 case SCTP_SHUTDOWN_EVENT:
2968 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
2970 case SCTP_ADAPTATION_INDICATION:
2971 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
2973 case SCTP_PARTIAL_DELIVERY_EVENT:
2974 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
2976 case SCTP_AUTHENTICATION_EVENT:
2977 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
2979 case SCTP_STREAM_RESET_EVENT:
2980 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
2982 case SCTP_SENDER_DRY_EVENT:
2983 event_type = SCTP_PCB_FLAGS_DRYEVNT;
2985 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
2987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
2992 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2996 if (event_type > 0) {
2998 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
2999 SCTP_TCB_UNLOCK(stcb);
3001 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3002 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3003 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
3004 SCTP_INP_RLOCK(inp);
3005 event->se_on = sctp_is_feature_on(inp, event_type);
3006 SCTP_INP_RUNLOCK(inp);
3008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3014 *optsize = sizeof(struct sctp_event);
3018 case SCTP_RECVRCVINFO:
3022 if (*optsize < sizeof(int)) {
3023 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3026 SCTP_INP_RUNLOCK(inp);
3027 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3028 SCTP_INP_RUNLOCK(inp);
3031 /* return the option value */
3032 *(int *)optval = onoff;
3033 *optsize = sizeof(int);
3037 case SCTP_RECVNXTINFO:
3041 if (*optsize < sizeof(int)) {
3042 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3045 SCTP_INP_RUNLOCK(inp);
3046 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3047 SCTP_INP_RUNLOCK(inp);
3050 /* return the option value */
3051 *(int *)optval = onoff;
3052 *optsize = sizeof(int);
3056 case SCTP_DEFAULT_SNDINFO:
3058 struct sctp_sndinfo *info;
3060 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3061 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3064 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3065 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3066 info->snd_flags &= 0xfff0;
3067 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3068 info->snd_context = stcb->asoc.def_send.sinfo_context;
3069 SCTP_TCB_UNLOCK(stcb);
3071 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3072 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3073 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3074 SCTP_INP_RLOCK(inp);
3075 info->snd_sid = inp->def_send.sinfo_stream;
3076 info->snd_flags = inp->def_send.sinfo_flags;
3077 info->snd_flags &= 0xfff0;
3078 info->snd_ppid = inp->def_send.sinfo_ppid;
3079 info->snd_context = inp->def_send.sinfo_context;
3080 SCTP_INP_RUNLOCK(inp);
3082 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3087 *optsize = sizeof(struct sctp_sndinfo);
3091 case SCTP_DEFAULT_PRINFO:
3093 struct sctp_default_prinfo *info;
3095 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3096 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3099 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3100 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3101 SCTP_TCB_UNLOCK(stcb);
3103 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3104 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3105 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3106 SCTP_INP_RLOCK(inp);
3107 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3108 info->pr_value = inp->def_send.sinfo_timetolive;
3109 SCTP_INP_RUNLOCK(inp);
3111 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3116 *optsize = sizeof(struct sctp_default_prinfo);
3120 case SCTP_PEER_ADDR_THLDS:
3122 struct sctp_paddrthlds *thlds;
3123 struct sctp_nets *net;
3125 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3126 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3130 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_address);
3133 * We increment here since
3134 * sctp_findassociation_ep_addr() wil do a
3135 * decrement if it finds the stcb as long as
3136 * the locked tcb (last argument) is NOT a
3139 SCTP_INP_INCR_REF(inp);
3140 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&thlds->spt_address, &net, NULL, NULL);
3142 SCTP_INP_DECR_REF(inp);
3145 if (stcb && (net == NULL)) {
3146 struct sockaddr *sa;
3148 sa = (struct sockaddr *)&thlds->spt_address;
3150 if (sa->sa_family == AF_INET) {
3151 struct sockaddr_in *sin;
3153 sin = (struct sockaddr_in *)sa;
3154 if (sin->sin_addr.s_addr) {
3156 SCTP_TCB_UNLOCK(stcb);
3157 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3163 if (sa->sa_family == AF_INET6) {
3164 struct sockaddr_in6 *sin6;
3166 sin6 = (struct sockaddr_in6 *)sa;
3167 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3169 SCTP_TCB_UNLOCK(stcb);
3170 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3176 error = EAFNOSUPPORT;
3177 SCTP_TCB_UNLOCK(stcb);
3178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3184 thlds->spt_pathmaxrxt = net->failure_threshold;
3185 thlds->spt_pathpfthld = net->pf_threshold;
3187 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3188 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3190 thlds->spt_assoc_id = sctp_get_associd(stcb);
3191 SCTP_TCB_UNLOCK(stcb);
3193 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3194 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3195 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3196 /* Use endpoint defaults */
3197 SCTP_INP_RLOCK(inp);
3198 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3199 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3200 SCTP_INP_RUNLOCK(inp);
3202 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3207 *optsize = sizeof(struct sctp_paddrthlds);
3212 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3213 error = ENOPROTOOPT;
3215 } /* end switch (sopt->sopt_name) */
3223 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3228 struct sctp_tcb *stcb = NULL;
3229 struct sctp_inpcb *inp = NULL;
3232 if (optval == NULL) {
3233 SCTP_PRINTF("optval is NULL\n");
3234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3237 inp = (struct sctp_inpcb *)so->so_pcb;
3239 SCTP_PRINTF("inp is NULL?\n");
3240 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3243 vrf_id = inp->def_vrf_id;
3248 case SCTP_AUTOCLOSE:
3249 case SCTP_AUTO_ASCONF:
3250 case SCTP_EXPLICIT_EOR:
3251 case SCTP_DISABLE_FRAGMENTS:
3252 case SCTP_USE_EXT_RCVINFO:
3253 case SCTP_I_WANT_MAPPED_V4_ADDR:
3254 /* copy in the option value */
3255 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3260 case SCTP_DISABLE_FRAGMENTS:
3261 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3263 case SCTP_AUTO_ASCONF:
3265 * NOTE: we don't really support this flag
3267 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3268 /* only valid for bound all sockets */
3269 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3271 /* forbidden by admin */
3272 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3275 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3277 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3281 case SCTP_EXPLICIT_EOR:
3282 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3284 case SCTP_USE_EXT_RCVINFO:
3285 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3287 case SCTP_I_WANT_MAPPED_V4_ADDR:
3288 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3289 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3296 set_opt = SCTP_PCB_FLAGS_NODELAY;
3298 case SCTP_AUTOCLOSE:
3299 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3300 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3304 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3306 * The value is in ticks. Note this does not effect
3307 * old associations, only new ones.
3309 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
3312 SCTP_INP_WLOCK(inp);
3314 sctp_feature_on(inp, set_opt);
3316 sctp_feature_off(inp, set_opt);
3318 SCTP_INP_WUNLOCK(inp);
3320 case SCTP_REUSE_PORT:
3322 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3323 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3324 /* Can't set it after we are bound */
3328 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3329 /* Can't do this for a 1-m socket */
3334 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3336 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3339 case SCTP_PARTIAL_DELIVERY_POINT:
3343 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3344 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3345 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3349 inp->partial_delivery_point = *value;
3352 case SCTP_FRAGMENT_INTERLEAVE:
3353 /* not yet until we re-write sctp_recvmsg() */
3357 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3358 if (*level == SCTP_FRAG_LEVEL_2) {
3359 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3360 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3361 } else if (*level == SCTP_FRAG_LEVEL_1) {
3362 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3363 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3364 } else if (*level == SCTP_FRAG_LEVEL_0) {
3365 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3366 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3369 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3374 case SCTP_CMT_ON_OFF:
3375 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3376 struct sctp_assoc_value *av;
3378 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3379 if (av->assoc_value > SCTP_CMT_MAX) {
3380 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3384 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3386 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3387 SCTP_TCB_UNLOCK(stcb);
3389 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3390 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3391 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3392 (av->assoc_id == SCTP_ALL_ASSOC)) {
3393 SCTP_INP_WLOCK(inp);
3394 inp->sctp_cmt_on_off = av->assoc_value;
3395 SCTP_INP_WUNLOCK(inp);
3397 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3398 (av->assoc_id == SCTP_ALL_ASSOC)) {
3399 SCTP_INP_RLOCK(inp);
3400 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3401 SCTP_TCB_LOCK(stcb);
3402 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3403 SCTP_TCB_UNLOCK(stcb);
3405 SCTP_INP_RUNLOCK(inp);
3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3410 error = ENOPROTOOPT;
3413 case SCTP_PLUGGABLE_CC:
3415 struct sctp_assoc_value *av;
3416 struct sctp_nets *net;
3418 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3419 if ((av->assoc_value != SCTP_CC_RFC2581) &&
3420 (av->assoc_value != SCTP_CC_HSTCP) &&
3421 (av->assoc_value != SCTP_CC_HTCP) &&
3422 (av->assoc_value != SCTP_CC_RTCC)) {
3423 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3427 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3429 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3430 stcb->asoc.congestion_control_module = av->assoc_value;
3431 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3432 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3433 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3436 SCTP_TCB_UNLOCK(stcb);
3438 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3439 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3440 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3441 (av->assoc_id == SCTP_ALL_ASSOC)) {
3442 SCTP_INP_WLOCK(inp);
3443 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
3444 SCTP_INP_WUNLOCK(inp);
3446 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3447 (av->assoc_id == SCTP_ALL_ASSOC)) {
3448 SCTP_INP_RLOCK(inp);
3449 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3450 SCTP_TCB_LOCK(stcb);
3451 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3452 stcb->asoc.congestion_control_module = av->assoc_value;
3453 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3454 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3455 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3458 SCTP_TCB_UNLOCK(stcb);
3460 SCTP_INP_RUNLOCK(inp);
3465 case SCTP_CC_OPTION:
3467 struct sctp_cc_option *cc_opt;
3469 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
3470 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
3472 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
3473 SCTP_INP_RLOCK(inp);
3474 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3475 SCTP_TCB_LOCK(stcb);
3476 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
3477 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
3479 SCTP_TCB_UNLOCK(stcb);
3481 SCTP_INP_RUNLOCK(inp);
3486 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
3489 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
3492 SCTP_TCB_UNLOCK(stcb);
3496 case SCTP_PLUGGABLE_SS:
3498 struct sctp_assoc_value *av;
3500 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3501 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
3502 (av->assoc_value != SCTP_SS_DEFAULT) &&
3503 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
3504 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
3505 (av->assoc_value != SCTP_SS_PRIORITY) &&
3506 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
3507 (av->assoc_value != SCTP_SS_FIRST_COME)) {
3508 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3512 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3514 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
3515 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
3516 stcb->asoc.stream_scheduling_module = av->assoc_value;
3517 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
3518 SCTP_TCB_UNLOCK(stcb);
3520 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3521 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3522 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3523 (av->assoc_id == SCTP_ALL_ASSOC)) {
3524 SCTP_INP_WLOCK(inp);
3525 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
3526 SCTP_INP_WUNLOCK(inp);
3528 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3529 (av->assoc_id == SCTP_ALL_ASSOC)) {
3530 SCTP_INP_RLOCK(inp);
3531 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3532 SCTP_TCB_LOCK(stcb);
3533 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
3534 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
3535 stcb->asoc.stream_scheduling_module = av->assoc_value;
3536 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
3537 SCTP_TCB_UNLOCK(stcb);
3539 SCTP_INP_RUNLOCK(inp);
3546 struct sctp_stream_value *av;
3548 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
3549 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3551 if (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
3552 av->stream_value) < 0) {
3553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3556 SCTP_TCB_UNLOCK(stcb);
3558 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
3559 SCTP_INP_RLOCK(inp);
3560 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3561 SCTP_TCB_LOCK(stcb);
3562 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
3564 &stcb->asoc.strmout[av->stream_id],
3566 SCTP_TCB_UNLOCK(stcb);
3568 SCTP_INP_RUNLOCK(inp);
3572 * Can't set stream value without
3575 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3581 case SCTP_CLR_STAT_LOG:
3582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3587 struct sctp_assoc_value *av;
3589 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3590 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3593 stcb->asoc.context = av->assoc_value;
3594 SCTP_TCB_UNLOCK(stcb);
3596 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3597 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3598 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3599 (av->assoc_id == SCTP_ALL_ASSOC)) {
3600 SCTP_INP_WLOCK(inp);
3601 inp->sctp_context = av->assoc_value;
3602 SCTP_INP_WUNLOCK(inp);
3604 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3605 (av->assoc_id == SCTP_ALL_ASSOC)) {
3606 SCTP_INP_RLOCK(inp);
3607 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3608 SCTP_TCB_LOCK(stcb);
3609 stcb->asoc.context = av->assoc_value;
3610 SCTP_TCB_UNLOCK(stcb);
3612 SCTP_INP_RUNLOCK(inp);
3619 uint32_t *default_vrfid;
3621 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
3622 if (*default_vrfid > SCTP_MAX_VRF_ID) {
3623 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3627 inp->def_vrf_id = *default_vrfid;
3630 case SCTP_DEL_VRF_ID:
3632 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3636 case SCTP_ADD_VRF_ID:
3638 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
3642 case SCTP_DELAYED_SACK:
3644 struct sctp_sack_info *sack;
3646 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
3647 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
3648 if (sack->sack_delay) {
3649 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
3650 sack->sack_delay = SCTP_MAX_SACK_DELAY;
3651 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
3652 sack->sack_delay = TICKS_TO_MSEC(1);
3656 if (sack->sack_delay) {
3657 stcb->asoc.delayed_ack = sack->sack_delay;
3659 if (sack->sack_freq) {
3660 stcb->asoc.sack_freq = sack->sack_freq;
3662 SCTP_TCB_UNLOCK(stcb);
3664 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3665 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3666 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
3667 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
3668 SCTP_INP_WLOCK(inp);
3669 if (sack->sack_delay) {
3670 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
3672 if (sack->sack_freq) {
3673 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
3675 SCTP_INP_WUNLOCK(inp);
3677 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
3678 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
3679 SCTP_INP_RLOCK(inp);
3680 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3681 SCTP_TCB_LOCK(stcb);
3682 if (sack->sack_delay) {
3683 stcb->asoc.delayed_ack = sack->sack_delay;
3685 if (sack->sack_freq) {
3686 stcb->asoc.sack_freq = sack->sack_freq;
3688 SCTP_TCB_UNLOCK(stcb);
3690 SCTP_INP_RUNLOCK(inp);
3695 case SCTP_AUTH_CHUNK:
3697 struct sctp_authchunk *sauth;
3699 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
3701 SCTP_INP_WLOCK(inp);
3702 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
3703 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3706 SCTP_INP_WUNLOCK(inp);
3711 struct sctp_authkey *sca;
3712 struct sctp_keyhead *shared_keys;
3713 sctp_sharedkey_t *shared_key;
3714 sctp_key_t *key = NULL;
3717 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
3718 if (sca->sca_keylength == 0) {
3719 size = optsize - sizeof(struct sctp_authkey);
3721 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
3722 size = sca->sca_keylength;
3724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3729 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
3732 shared_keys = &stcb->asoc.shared_keys;
3733 /* clear the cached keys for this key id */
3734 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
3736 * create the new shared key and
3740 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3742 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3744 SCTP_TCB_UNLOCK(stcb);
3748 shared_key = sctp_alloc_sharedkey();
3749 if (shared_key == NULL) {
3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3753 SCTP_TCB_UNLOCK(stcb);
3756 shared_key->key = key;
3757 shared_key->keyid = sca->sca_keynumber;
3758 error = sctp_insert_sharedkey(shared_keys, shared_key);
3759 SCTP_TCB_UNLOCK(stcb);
3761 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3762 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3763 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
3764 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
3765 SCTP_INP_WLOCK(inp);
3766 shared_keys = &inp->sctp_ep.shared_keys;
3768 * clear the cached keys on all
3769 * assocs for this key id
3771 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
3773 * create the new shared key and
3777 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3781 SCTP_INP_WUNLOCK(inp);
3785 shared_key = sctp_alloc_sharedkey();
3786 if (shared_key == NULL) {
3788 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3790 SCTP_INP_WUNLOCK(inp);
3793 shared_key->key = key;
3794 shared_key->keyid = sca->sca_keynumber;
3795 error = sctp_insert_sharedkey(shared_keys, shared_key);
3796 SCTP_INP_WUNLOCK(inp);
3798 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
3799 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
3800 SCTP_INP_RLOCK(inp);
3801 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3802 SCTP_TCB_LOCK(stcb);
3803 shared_keys = &stcb->asoc.shared_keys;
3805 * clear the cached keys for
3808 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
3810 * create the new shared key
3811 * and insert/replace it
3814 key = sctp_set_key(sca->sca_key, (uint32_t) size);
3816 SCTP_TCB_UNLOCK(stcb);
3820 shared_key = sctp_alloc_sharedkey();
3821 if (shared_key == NULL) {
3823 SCTP_TCB_UNLOCK(stcb);
3826 shared_key->key = key;
3827 shared_key->keyid = sca->sca_keynumber;
3828 error = sctp_insert_sharedkey(shared_keys, shared_key);
3829 SCTP_TCB_UNLOCK(stcb);
3831 SCTP_INP_RUNLOCK(inp);
3836 case SCTP_HMAC_IDENT:
3838 struct sctp_hmacalgo *shmac;
3839 sctp_hmaclist_t *hmaclist;
3844 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
3845 if (optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) {
3846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3850 hmaclist = sctp_alloc_hmaclist(shmac->shmac_number_of_idents);
3851 if (hmaclist == NULL) {
3852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
3856 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
3857 hmacid = shmac->shmac_idents[i];
3858 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
3859 /* invalid HMACs were found */ ;
3860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3862 sctp_free_hmaclist(hmaclist);
3863 goto sctp_set_hmac_done;
3867 for (i = 0; i < hmaclist->num_algo; i++) {
3868 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
3869 /* already in list */
3874 sctp_free_hmaclist(hmaclist);
3875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3879 /* set it on the endpoint */
3880 SCTP_INP_WLOCK(inp);
3881 if (inp->sctp_ep.local_hmacs)
3882 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
3883 inp->sctp_ep.local_hmacs = hmaclist;
3884 SCTP_INP_WUNLOCK(inp);
3888 case SCTP_AUTH_ACTIVE_KEY:
3890 struct sctp_authkeyid *scact;
3892 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
3893 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
3895 /* set the active key on the right place */
3897 /* set the active key on the assoc */
3898 if (sctp_auth_setactivekey(stcb,
3899 scact->scact_keynumber)) {
3900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
3901 SCTP_FROM_SCTP_USRREQ,
3905 SCTP_TCB_UNLOCK(stcb);
3907 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3908 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3909 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
3910 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
3911 SCTP_INP_WLOCK(inp);
3912 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
3913 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3916 SCTP_INP_WUNLOCK(inp);
3918 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
3919 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
3920 SCTP_INP_RLOCK(inp);
3921 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3922 SCTP_TCB_LOCK(stcb);
3923 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
3924 SCTP_TCB_UNLOCK(stcb);
3926 SCTP_INP_RUNLOCK(inp);
3931 case SCTP_AUTH_DELETE_KEY:
3933 struct sctp_authkeyid *scdel;
3935 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
3936 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
3938 /* delete the key from the right place */
3940 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
3941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3944 SCTP_TCB_UNLOCK(stcb);
3946 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3947 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3948 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
3949 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
3950 SCTP_INP_WLOCK(inp);
3951 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
3952 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3955 SCTP_INP_WUNLOCK(inp);
3957 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
3958 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
3959 SCTP_INP_RLOCK(inp);
3960 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3961 SCTP_TCB_LOCK(stcb);
3962 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
3963 SCTP_TCB_UNLOCK(stcb);
3965 SCTP_INP_RUNLOCK(inp);
3970 case SCTP_AUTH_DEACTIVATE_KEY:
3972 struct sctp_authkeyid *keyid;
3974 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
3975 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
3977 /* deactivate the key from the right place */
3979 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
3980 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3983 SCTP_TCB_UNLOCK(stcb);
3985 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3986 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3987 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
3988 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
3989 SCTP_INP_WLOCK(inp);
3990 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
3991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3994 SCTP_INP_WUNLOCK(inp);
3996 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
3997 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
3998 SCTP_INP_RLOCK(inp);
3999 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4000 SCTP_TCB_LOCK(stcb);
4001 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4002 SCTP_TCB_UNLOCK(stcb);
4004 SCTP_INP_RUNLOCK(inp);
4010 case SCTP_RESET_STREAMS:
4012 struct sctp_stream_reset *strrst;
4013 uint8_t send_in = 0, send_tsn = 0, send_out = 0,
4015 uint16_t addstrmcnt = 0;
4018 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize);
4019 SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id);
4022 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4026 if (stcb->asoc.peer_supports_strreset == 0) {
4028 * Peer does not support it, we return
4029 * protocol not supported since this is true
4030 * for this feature and this peer, not the
4031 * socket request in general.
4033 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT);
4034 error = EPROTONOSUPPORT;
4035 SCTP_TCB_UNLOCK(stcb);
4038 if (stcb->asoc.stream_reset_outstanding) {
4039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4041 SCTP_TCB_UNLOCK(stcb);
4044 if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) {
4046 } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) {
4048 } else if (strrst->strrst_flags == SCTP_RESET_BOTH) {
4051 } else if (strrst->strrst_flags == SCTP_RESET_TSN) {
4053 } else if (strrst->strrst_flags == SCTP_RESET_ADD_STREAMS) {
4057 /* We can't do that and add streams */
4061 if (stcb->asoc.stream_reset_outstanding) {
4066 /* We allocate here */
4067 addstrmcnt = strrst->strrst_num_streams;
4068 if ((int)(addstrmcnt + stcb->asoc.streamoutcnt) > 0xffff) {
4069 /* You can't have more than 64k */
4073 if ((stcb->asoc.strm_realoutsize - stcb->asoc.streamoutcnt) < addstrmcnt) {
4074 /* Need to allocate more */
4075 struct sctp_stream_out *oldstream;
4076 struct sctp_stream_queue_pending *sp,
4079 oldstream = stcb->asoc.strmout;
4081 SCTP_MALLOC(stcb->asoc.strmout, struct sctp_stream_out *,
4082 ((stcb->asoc.streamoutcnt + addstrmcnt) * sizeof(struct sctp_stream_out)),
4084 if (stcb->asoc.strmout == NULL) {
4085 stcb->asoc.strmout = oldstream;
4090 * Ok now we proceed with copying
4091 * the old out stuff and
4092 * initializing the new stuff.
4094 SCTP_TCB_SEND_LOCK(stcb);
4095 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 0, 1);
4096 for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
4097 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue);
4098 stcb->asoc.strmout[i].next_sequence_sent = oldstream[i].next_sequence_sent;
4099 stcb->asoc.strmout[i].last_msg_incomplete = oldstream[i].last_msg_incomplete;
4100 stcb->asoc.strmout[i].stream_no = i;
4101 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], &oldstream[i]);
4103 * now anything on those
4106 TAILQ_FOREACH_SAFE(sp, &oldstream[i].outqueue, next, nsp) {
4107 TAILQ_REMOVE(&oldstream[i].outqueue, sp, next);
4108 TAILQ_INSERT_TAIL(&stcb->asoc.strmout[i].outqueue, sp, next);
4111 * Now move assoc pointers
4114 if (stcb->asoc.last_out_stream == &oldstream[i]) {
4115 stcb->asoc.last_out_stream = &stcb->asoc.strmout[i];
4117 if (stcb->asoc.locked_on_sending == &oldstream[i]) {
4118 stcb->asoc.locked_on_sending = &stcb->asoc.strmout[i];
4121 /* now the new streams */
4122 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4123 for (i = stcb->asoc.streamoutcnt; i < (stcb->asoc.streamoutcnt + addstrmcnt); i++) {
4124 stcb->asoc.strmout[i].next_sequence_sent = 0x0;
4125 TAILQ_INIT(&stcb->asoc.strmout[i].outqueue);
4126 stcb->asoc.strmout[i].stream_no = i;
4127 stcb->asoc.strmout[i].last_msg_incomplete = 0;
4128 stcb->asoc.ss_functions.sctp_ss_init_stream(&stcb->asoc.strmout[i], NULL);
4130 stcb->asoc.strm_realoutsize = stcb->asoc.streamoutcnt + addstrmcnt;
4131 SCTP_FREE(oldstream, SCTP_M_STRMO);
4133 SCTP_TCB_SEND_UNLOCK(stcb);
4136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4138 SCTP_TCB_UNLOCK(stcb);
4141 for (i = 0; i < strrst->strrst_num_streams; i++) {
4144 (strrst->strrst_list[i] > stcb->asoc.streamincnt)) {
4145 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4150 (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) {
4151 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4159 SCTP_TCB_UNLOCK(stcb);
4162 error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams,
4163 strrst->strrst_list,
4164 send_out, (stcb->asoc.str_reset_seq_in - 3),
4165 send_in, send_tsn, addstream, addstrmcnt);
4167 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4168 SCTP_TCB_UNLOCK(stcb);
4171 case SCTP_CONNECT_X:
4172 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4177 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4179 case SCTP_CONNECT_X_DELAYED:
4180 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4181 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4185 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4187 case SCTP_CONNECT_X_COMPLETE:
4189 struct sockaddr *sa;
4190 struct sctp_nets *net;
4192 /* FIXME MT: check correct? */
4193 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4196 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4197 SCTP_INP_RLOCK(inp);
4198 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4200 SCTP_TCB_LOCK(stcb);
4201 net = sctp_findnet(stcb, sa);
4203 SCTP_INP_RUNLOCK(inp);
4206 * We increment here since
4207 * sctp_findassociation_ep_addr() wil do a
4208 * decrement if it finds the stcb as long as
4209 * the locked tcb (last argument) is NOT a
4212 SCTP_INP_INCR_REF(inp);
4213 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
4215 SCTP_INP_DECR_REF(inp);
4220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4224 if (stcb->asoc.delayed_connection == 1) {
4225 stcb->asoc.delayed_connection = 0;
4226 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4227 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4228 stcb->asoc.primary_destination,
4229 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
4230 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4233 * already expired or did not use delayed
4236 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4239 SCTP_TCB_UNLOCK(stcb);
4242 case SCTP_MAX_BURST:
4244 struct sctp_assoc_value *av;
4246 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4247 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4250 stcb->asoc.max_burst = av->assoc_value;
4251 SCTP_TCB_UNLOCK(stcb);
4253 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4254 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4255 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4256 (av->assoc_id == SCTP_ALL_ASSOC)) {
4257 SCTP_INP_WLOCK(inp);
4258 inp->sctp_ep.max_burst = av->assoc_value;
4259 SCTP_INP_WUNLOCK(inp);
4261 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4262 (av->assoc_id == SCTP_ALL_ASSOC)) {
4263 SCTP_INP_RLOCK(inp);
4264 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4265 SCTP_TCB_LOCK(stcb);
4266 stcb->asoc.max_burst = av->assoc_value;
4267 SCTP_TCB_UNLOCK(stcb);
4269 SCTP_INP_RUNLOCK(inp);
4276 struct sctp_assoc_value *av;
4279 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4280 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4282 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4283 ovh = SCTP_MED_OVERHEAD;
4285 ovh = SCTP_MED_V4_OVERHEAD;
4288 if (av->assoc_value) {
4289 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
4291 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4293 SCTP_TCB_UNLOCK(stcb);
4295 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4296 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4297 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4298 SCTP_INP_WLOCK(inp);
4300 * FIXME MT: I think this is not in
4301 * tune with the API ID
4303 if (av->assoc_value) {
4304 inp->sctp_frag_point = (av->assoc_value + ovh);
4306 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4308 SCTP_INP_WUNLOCK(inp);
4310 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4318 struct sctp_event_subscribe *events;
4320 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
4322 SCTP_INP_WLOCK(inp);
4323 if (events->sctp_data_io_event) {
4324 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4326 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4329 if (events->sctp_association_event) {
4330 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4332 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4335 if (events->sctp_address_event) {
4336 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4338 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4341 if (events->sctp_send_failure_event) {
4342 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4344 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4347 if (events->sctp_peer_error_event) {
4348 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4350 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4353 if (events->sctp_shutdown_event) {
4354 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4356 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4359 if (events->sctp_partial_delivery_event) {
4360 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4362 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
4365 if (events->sctp_adaptation_layer_event) {
4366 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4368 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4371 if (events->sctp_authentication_event) {
4372 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4374 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
4377 if (events->sctp_sender_dry_event) {
4378 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
4380 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
4383 if (events->sctp_stream_reset_event) {
4384 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4386 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4388 SCTP_INP_WUNLOCK(inp);
4390 SCTP_INP_RLOCK(inp);
4391 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4392 SCTP_TCB_LOCK(stcb);
4393 if (events->sctp_association_event) {
4394 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4396 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4398 if (events->sctp_address_event) {
4399 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4401 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
4403 if (events->sctp_send_failure_event) {
4404 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4406 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4408 if (events->sctp_peer_error_event) {
4409 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
4411 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
4413 if (events->sctp_shutdown_event) {
4414 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4416 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
4418 if (events->sctp_partial_delivery_event) {
4419 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
4421 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
4423 if (events->sctp_adaptation_layer_event) {
4424 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4426 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
4428 if (events->sctp_authentication_event) {
4429 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
4431 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
4433 if (events->sctp_sender_dry_event) {
4434 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
4436 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
4438 if (events->sctp_stream_reset_event) {
4439 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4441 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
4443 SCTP_TCB_UNLOCK(stcb);
4446 * Send up the sender dry event only for 1-to-1
4449 if (events->sctp_sender_dry_event) {
4450 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4451 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
4452 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4454 SCTP_TCB_LOCK(stcb);
4455 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
4456 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
4457 (stcb->asoc.stream_queue_cnt == 0)) {
4458 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
4460 SCTP_TCB_UNLOCK(stcb);
4464 SCTP_INP_RUNLOCK(inp);
4467 case SCTP_ADAPTATION_LAYER:
4469 struct sctp_setadaptation *adap_bits;
4471 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
4472 SCTP_INP_WLOCK(inp);
4473 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
4474 SCTP_INP_WUNLOCK(inp);
4478 case SCTP_SET_INITIAL_DBG_SEQ:
4482 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
4483 SCTP_INP_WLOCK(inp);
4484 inp->sctp_ep.initial_sequence_debug = *vvv;
4485 SCTP_INP_WUNLOCK(inp);
4489 case SCTP_DEFAULT_SEND_PARAM:
4491 struct sctp_sndrcvinfo *s_info;
4493 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
4494 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
4497 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
4498 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
4500 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4503 SCTP_TCB_UNLOCK(stcb);
4505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4507 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
4508 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
4509 SCTP_INP_WLOCK(inp);
4510 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
4511 SCTP_INP_WUNLOCK(inp);
4513 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
4514 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
4515 SCTP_INP_RLOCK(inp);
4516 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4517 SCTP_TCB_LOCK(stcb);
4518 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
4519 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
4521 SCTP_TCB_UNLOCK(stcb);
4523 SCTP_INP_RUNLOCK(inp);
4528 case SCTP_PEER_ADDR_PARAMS:
4529 /* Applies to the specific association */
4531 struct sctp_paddrparams *paddrp;
4532 struct sctp_nets *net;
4534 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
4535 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
4538 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
4541 * We increment here since
4542 * sctp_findassociation_ep_addr() wil do a
4543 * decrement if it finds the stcb as long as
4544 * the locked tcb (last argument) is NOT a
4547 SCTP_INP_INCR_REF(inp);
4548 stcb = sctp_findassociation_ep_addr(&inp,
4549 (struct sockaddr *)&paddrp->spp_address,
4552 SCTP_INP_DECR_REF(inp);
4555 if (stcb && (net == NULL)) {
4556 struct sockaddr *sa;
4558 sa = (struct sockaddr *)&paddrp->spp_address;
4560 if (sa->sa_family == AF_INET) {
4562 struct sockaddr_in *sin;
4564 sin = (struct sockaddr_in *)sa;
4565 if (sin->sin_addr.s_addr) {
4566 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4567 SCTP_TCB_UNLOCK(stcb);
4574 if (sa->sa_family == AF_INET6) {
4575 struct sockaddr_in6 *sin6;
4577 sin6 = (struct sockaddr_in6 *)sa;
4578 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
4579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4580 SCTP_TCB_UNLOCK(stcb);
4587 error = EAFNOSUPPORT;
4588 SCTP_TCB_UNLOCK(stcb);
4589 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
4594 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
4596 SCTP_TCB_UNLOCK(stcb);
4597 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4600 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
4602 SCTP_TCB_UNLOCK(stcb);
4603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4607 /************************TCB SPECIFIC SET ******************/
4609 * do we change the timer for HB, we run
4614 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4615 ovh = SCTP_MED_OVERHEAD;
4617 ovh = SCTP_MED_V4_OVERHEAD;
4620 /* network sets ? */
4622 /************************NET SPECIFIC SET ******************/
4623 if (paddrp->spp_flags & SPP_HB_DISABLE) {
4624 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
4625 !(net->dest_state & SCTP_ADDR_NOHB)) {
4626 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4627 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4629 net->dest_state |= SCTP_ADDR_NOHB;
4631 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4632 if (paddrp->spp_hbinterval) {
4633 net->heart_beat_delay = paddrp->spp_hbinterval;
4634 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4635 net->heart_beat_delay = 0;
4637 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4638 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4639 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4640 net->dest_state &= ~SCTP_ADDR_NOHB;
4642 if (paddrp->spp_flags & SPP_HB_DEMAND) {
4644 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4645 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4647 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
4648 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4649 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
4650 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4652 net->dest_state |= SCTP_ADDR_NO_PMTUD;
4653 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
4654 net->mtu = paddrp->spp_pathmtu + ovh;
4655 if (net->mtu < stcb->asoc.smallest_mtu) {
4656 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
4660 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4661 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4662 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
4664 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
4666 if (paddrp->spp_pathmaxrxt) {
4667 if (net->dest_state & SCTP_ADDR_PF) {
4668 if (net->error_count > paddrp->spp_pathmaxrxt) {
4669 net->dest_state &= ~SCTP_ADDR_PF;
4672 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
4673 (net->error_count > net->pf_threshold)) {
4674 net->dest_state |= SCTP_ADDR_PF;
4675 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4676 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
4677 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
4680 if (net->dest_state & SCTP_ADDR_REACHABLE) {
4681 if (net->error_count > paddrp->spp_pathmaxrxt) {
4682 net->dest_state &= ~SCTP_ADDR_REACHABLE;
4683 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
4686 if (net->error_count <= paddrp->spp_pathmaxrxt) {
4687 net->dest_state |= SCTP_ADDR_REACHABLE;
4688 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
4691 net->failure_threshold = paddrp->spp_pathmaxrxt;
4693 if (paddrp->spp_flags & SPP_DSCP) {
4694 net->dscp = paddrp->spp_dscp & 0xfc;
4698 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
4699 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
4700 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4701 net->flowlabel |= 0x80000000;
4706 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
4707 if (paddrp->spp_pathmaxrxt) {
4708 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
4709 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4710 if (net->dest_state & SCTP_ADDR_PF) {
4711 if (net->error_count > paddrp->spp_pathmaxrxt) {
4712 net->dest_state &= ~SCTP_ADDR_PF;
4715 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
4716 (net->error_count > net->pf_threshold)) {
4717 net->dest_state |= SCTP_ADDR_PF;
4718 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
4719 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
4720 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
4723 if (net->dest_state & SCTP_ADDR_REACHABLE) {
4724 if (net->error_count > paddrp->spp_pathmaxrxt) {
4725 net->dest_state &= ~SCTP_ADDR_REACHABLE;
4726 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
4729 if (net->error_count <= paddrp->spp_pathmaxrxt) {
4730 net->dest_state |= SCTP_ADDR_REACHABLE;
4731 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
4734 net->failure_threshold = paddrp->spp_pathmaxrxt;
4737 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4738 if (paddrp->spp_hbinterval) {
4739 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
4740 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4741 stcb->asoc.heart_beat_delay = 0;
4743 /* Turn back on the timer */
4744 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4745 if (paddrp->spp_hbinterval) {
4746 net->heart_beat_delay = paddrp->spp_hbinterval;
4747 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4748 net->heart_beat_delay = 0;
4750 if (net->dest_state & SCTP_ADDR_NOHB) {
4751 net->dest_state &= ~SCTP_ADDR_NOHB;
4753 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
4754 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4755 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
4757 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4759 if (paddrp->spp_flags & SPP_HB_DISABLE) {
4760 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4761 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
4762 net->dest_state |= SCTP_ADDR_NOHB;
4763 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
4764 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4768 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4770 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
4771 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4772 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4773 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
4774 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
4776 net->dest_state |= SCTP_ADDR_NO_PMTUD;
4777 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
4778 net->mtu = paddrp->spp_pathmtu + ovh;
4779 if (net->mtu < stcb->asoc.smallest_mtu) {
4780 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
4784 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4786 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4787 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4788 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
4789 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
4791 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
4793 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4795 if (paddrp->spp_flags & SPP_DSCP) {
4796 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4797 net->dscp = paddrp->spp_dscp & 0xfc;
4800 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
4801 stcb->asoc.default_dscp |= 0x01;
4804 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
4805 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4806 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
4807 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4808 net->flowlabel |= 0x80000000;
4811 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4812 stcb->asoc.default_flowlabel |= 0x80000000;
4816 SCTP_TCB_UNLOCK(stcb);
4818 /************************NO TCB, SET TO default stuff ******************/
4819 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4820 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4821 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
4822 SCTP_INP_WLOCK(inp);
4824 * For the TOS/FLOWLABEL stuff you
4825 * set it with the options on the
4828 if (paddrp->spp_pathmaxrxt) {
4829 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
4831 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
4832 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
4833 else if (paddrp->spp_hbinterval) {
4834 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
4835 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
4836 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
4838 if (paddrp->spp_flags & SPP_HB_ENABLE) {
4839 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
4840 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
4841 } else if (paddrp->spp_hbinterval) {
4842 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
4844 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4845 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
4846 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
4848 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
4849 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4850 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
4851 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
4853 if (paddrp->spp_flags & SPP_DSCP) {
4854 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
4855 inp->sctp_ep.default_dscp |= 0x01;
4858 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
4859 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4860 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
4861 inp->sctp_ep.default_flowlabel |= 0x80000000;
4865 SCTP_INP_WUNLOCK(inp);
4867 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4875 struct sctp_rtoinfo *srto;
4876 uint32_t new_init, new_min, new_max;
4878 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
4879 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
4882 if (srto->srto_initial)
4883 new_init = srto->srto_initial;
4885 new_init = stcb->asoc.initial_rto;
4887 new_max = srto->srto_max;
4889 new_max = stcb->asoc.maxrto;
4891 new_min = srto->srto_min;
4893 new_min = stcb->asoc.minrto;
4894 if ((new_min <= new_init) && (new_init <= new_max)) {
4895 stcb->asoc.initial_rto = new_init;
4896 stcb->asoc.maxrto = new_max;
4897 stcb->asoc.minrto = new_min;
4899 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4902 SCTP_TCB_UNLOCK(stcb);
4904 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4905 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4906 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
4907 SCTP_INP_WLOCK(inp);
4908 if (srto->srto_initial)
4909 new_init = srto->srto_initial;
4911 new_init = inp->sctp_ep.initial_rto;
4913 new_max = srto->srto_max;
4915 new_max = inp->sctp_ep.sctp_maxrto;
4917 new_min = srto->srto_min;
4919 new_min = inp->sctp_ep.sctp_minrto;
4920 if ((new_min <= new_init) && (new_init <= new_max)) {
4921 inp->sctp_ep.initial_rto = new_init;
4922 inp->sctp_ep.sctp_maxrto = new_max;
4923 inp->sctp_ep.sctp_minrto = new_min;
4925 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4928 SCTP_INP_WUNLOCK(inp);
4930 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4936 case SCTP_ASSOCINFO:
4938 struct sctp_assocparams *sasoc;
4940 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
4941 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
4942 if (sasoc->sasoc_cookie_life) {
4943 /* boundary check the cookie life */
4944 if (sasoc->sasoc_cookie_life < 1000)
4945 sasoc->sasoc_cookie_life = 1000;
4946 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
4947 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
4951 if (sasoc->sasoc_asocmaxrxt)
4952 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
4953 if (sasoc->sasoc_cookie_life) {
4954 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
4956 SCTP_TCB_UNLOCK(stcb);
4958 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4959 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4960 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
4961 SCTP_INP_WLOCK(inp);
4962 if (sasoc->sasoc_asocmaxrxt)
4963 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
4964 if (sasoc->sasoc_cookie_life) {
4965 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
4967 SCTP_INP_WUNLOCK(inp);
4969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4977 struct sctp_initmsg *sinit;
4979 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
4980 SCTP_INP_WLOCK(inp);
4981 if (sinit->sinit_num_ostreams)
4982 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
4984 if (sinit->sinit_max_instreams)
4985 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
4987 if (sinit->sinit_max_attempts)
4988 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
4990 if (sinit->sinit_max_init_timeo)
4991 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
4992 SCTP_INP_WUNLOCK(inp);
4995 case SCTP_PRIMARY_ADDR:
4997 struct sctp_setprim *spa;
4998 struct sctp_nets *net;
5000 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5001 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5005 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
5008 * We increment here since
5009 * sctp_findassociation_ep_addr() wil do a
5010 * decrement if it finds the stcb as long as
5011 * the locked tcb (last argument) is NOT a
5014 SCTP_INP_INCR_REF(inp);
5015 stcb = sctp_findassociation_ep_addr(&inp,
5016 (struct sockaddr *)&spa->ssp_addr,
5019 SCTP_INP_DECR_REF(inp);
5023 if ((stcb) && (net)) {
5024 if ((net != stcb->asoc.primary_destination) &&
5025 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
5026 /* Ok we need to set it */
5027 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5028 if ((stcb->asoc.alternate) &&
5029 (!(net->dest_state & SCTP_ADDR_PF)) &&
5030 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5031 sctp_free_remote_addr(stcb->asoc.alternate);
5032 stcb->asoc.alternate = NULL;
5037 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5041 SCTP_TCB_UNLOCK(stcb);
5045 case SCTP_SET_DYNAMIC_PRIMARY:
5047 union sctp_sockstore *ss;
5049 error = priv_check(curthread,
5050 PRIV_NETINET_RESERVEDPORT);
5054 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5055 /* SUPER USER CHECK? */
5056 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5059 case SCTP_SET_PEER_PRIMARY_ADDR:
5061 struct sctp_setpeerprim *sspp;
5063 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5064 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5066 struct sctp_ifa *ifa;
5068 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
5069 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5075 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5077 * Must validate the ifa found is in
5080 struct sctp_laddr *laddr;
5083 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5084 if (laddr->ifa == NULL) {
5085 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5089 if (laddr->ifa == ifa) {
5095 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5100 if (sctp_set_primary_ip_address_sa(stcb,
5101 (struct sockaddr *)&sspp->sspp_addr) != 0) {
5102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5106 SCTP_TCB_UNLOCK(stcb);
5108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5113 case SCTP_BINDX_ADD_ADDR:
5115 struct sctp_getaddresses *addrs;
5119 td = (struct thread *)p;
5120 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
5123 if (addrs->addr->sa_family == AF_INET) {
5124 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
5126 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5130 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5131 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5137 if (addrs->addr->sa_family == AF_INET6) {
5138 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
5140 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5144 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5145 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5146 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5152 error = EAFNOSUPPORT;
5155 sctp_bindx_add_address(so, inp, addrs->addr,
5156 addrs->sget_assoc_id, vrf_id,
5160 case SCTP_BINDX_REM_ADDR:
5162 struct sctp_getaddresses *addrs;
5166 td = (struct thread *)p;
5168 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
5170 if (addrs->addr->sa_family == AF_INET) {
5171 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
5173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5177 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5178 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5184 if (addrs->addr->sa_family == AF_INET6) {
5185 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
5187 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5192 (error = prison_local_ip6(td->td_ucred,
5193 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5194 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5195 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5201 error = EAFNOSUPPORT;
5204 sctp_bindx_delete_address(so, inp, addrs->addr,
5205 addrs->sget_assoc_id, vrf_id,
5211 struct sctp_event *event;
5212 uint32_t event_type;
5214 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
5215 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
5216 switch (event->se_type) {
5217 case SCTP_ASSOC_CHANGE:
5218 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
5220 case SCTP_PEER_ADDR_CHANGE:
5221 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
5223 case SCTP_REMOTE_ERROR:
5224 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
5226 case SCTP_SEND_FAILED:
5227 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
5229 case SCTP_SHUTDOWN_EVENT:
5230 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
5232 case SCTP_ADAPTATION_INDICATION:
5233 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
5235 case SCTP_PARTIAL_DELIVERY_EVENT:
5236 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
5238 case SCTP_AUTHENTICATION_EVENT:
5239 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
5241 case SCTP_STREAM_RESET_EVENT:
5242 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
5244 case SCTP_SENDER_DRY_EVENT:
5245 event_type = SCTP_PCB_FLAGS_DRYEVNT;
5247 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
5249 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
5254 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5258 if (event_type > 0) {
5261 sctp_stcb_feature_on(inp, stcb, event_type);
5262 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
5263 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5264 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5265 (stcb->asoc.stream_queue_cnt == 0)) {
5266 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5270 sctp_stcb_feature_off(inp, stcb, event_type);
5272 SCTP_TCB_UNLOCK(stcb);
5275 * We don't want to send up a storm
5276 * of events, so return an error for
5279 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
5280 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
5281 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
5282 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
5283 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
5284 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
5288 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5289 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5290 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
5291 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
5292 SCTP_INP_WLOCK(inp);
5294 sctp_feature_on(inp, event_type);
5296 sctp_feature_off(inp, event_type);
5298 SCTP_INP_WUNLOCK(inp);
5300 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
5301 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
5302 SCTP_INP_RLOCK(inp);
5303 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5304 SCTP_TCB_LOCK(stcb);
5306 sctp_stcb_feature_on(inp, stcb, event_type);
5308 sctp_stcb_feature_off(inp, stcb, event_type);
5310 SCTP_TCB_UNLOCK(stcb);
5312 SCTP_INP_RUNLOCK(inp);
5318 case SCTP_RECVRCVINFO:
5322 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
5323 SCTP_INP_WLOCK(inp);
5325 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
5327 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
5329 SCTP_INP_WUNLOCK(inp);
5332 case SCTP_RECVNXTINFO:
5336 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
5337 SCTP_INP_WLOCK(inp);
5339 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
5341 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
5343 SCTP_INP_WUNLOCK(inp);
5346 case SCTP_DEFAULT_SNDINFO:
5348 struct sctp_sndinfo *info;
5351 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
5352 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
5355 if (info->snd_sid < stcb->asoc.streamoutcnt) {
5356 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
5357 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
5358 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
5359 stcb->asoc.def_send.sinfo_flags |= policy;
5360 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
5361 stcb->asoc.def_send.sinfo_context = info->snd_context;
5363 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5366 SCTP_TCB_UNLOCK(stcb);
5368 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5369 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5370 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
5371 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
5372 SCTP_INP_WLOCK(inp);
5373 inp->def_send.sinfo_stream = info->snd_sid;
5374 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
5375 inp->def_send.sinfo_flags = info->snd_flags;
5376 inp->def_send.sinfo_flags |= policy;
5377 inp->def_send.sinfo_ppid = info->snd_ppid;
5378 inp->def_send.sinfo_context = info->snd_context;
5379 SCTP_INP_WUNLOCK(inp);
5381 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
5382 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
5383 SCTP_INP_RLOCK(inp);
5384 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5385 SCTP_TCB_LOCK(stcb);
5386 if (info->snd_sid < stcb->asoc.streamoutcnt) {
5387 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
5388 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
5389 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
5390 stcb->asoc.def_send.sinfo_flags |= policy;
5391 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
5392 stcb->asoc.def_send.sinfo_context = info->snd_context;
5394 SCTP_TCB_UNLOCK(stcb);
5396 SCTP_INP_RUNLOCK(inp);
5401 case SCTP_DEFAULT_PRINFO:
5403 struct sctp_default_prinfo *info;
5405 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
5406 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
5408 if (PR_SCTP_INVALID_POLICY(info->pr_policy)) {
5409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5414 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
5415 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
5416 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
5417 SCTP_TCB_UNLOCK(stcb);
5419 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5420 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5421 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
5422 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
5423 SCTP_INP_WLOCK(inp);
5424 inp->def_send.sinfo_flags &= 0xfff0;
5425 inp->def_send.sinfo_flags |= info->pr_policy;
5426 inp->def_send.sinfo_timetolive = info->pr_value;
5427 SCTP_INP_WUNLOCK(inp);
5429 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
5430 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
5431 SCTP_INP_RLOCK(inp);
5432 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5433 SCTP_TCB_LOCK(stcb);
5434 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
5435 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
5436 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
5437 SCTP_TCB_UNLOCK(stcb);
5439 SCTP_INP_RUNLOCK(inp);
5444 case SCTP_PEER_ADDR_THLDS:
5445 /* Applies to the specific association */
5447 struct sctp_paddrthlds *thlds;
5448 struct sctp_nets *net;
5450 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
5451 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
5454 net = sctp_findnet(stcb, (struct sockaddr *)&thlds->spt_assoc_id);
5457 * We increment here since
5458 * sctp_findassociation_ep_addr() wil do a
5459 * decrement if it finds the stcb as long as
5460 * the locked tcb (last argument) is NOT a
5463 SCTP_INP_INCR_REF(inp);
5464 stcb = sctp_findassociation_ep_addr(&inp,
5465 (struct sockaddr *)&thlds->spt_assoc_id,
5468 SCTP_INP_DECR_REF(inp);
5471 if (stcb && (net == NULL)) {
5472 struct sockaddr *sa;
5474 sa = (struct sockaddr *)&thlds->spt_assoc_id;
5476 if (sa->sa_family == AF_INET) {
5478 struct sockaddr_in *sin;
5480 sin = (struct sockaddr_in *)sa;
5481 if (sin->sin_addr.s_addr) {
5482 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5483 SCTP_TCB_UNLOCK(stcb);
5490 if (sa->sa_family == AF_INET6) {
5491 struct sockaddr_in6 *sin6;
5493 sin6 = (struct sockaddr_in6 *)sa;
5494 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5496 SCTP_TCB_UNLOCK(stcb);
5503 error = EAFNOSUPPORT;
5504 SCTP_TCB_UNLOCK(stcb);
5505 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5511 if (net->dest_state & SCTP_ADDR_PF) {
5512 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
5513 (net->failure_threshold <= thlds->spt_pathpfthld)) {
5514 net->dest_state &= ~SCTP_ADDR_PF;
5517 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
5518 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
5519 net->dest_state |= SCTP_ADDR_PF;
5520 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5521 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5522 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5525 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5526 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
5527 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5528 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
5531 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
5532 net->dest_state |= SCTP_ADDR_REACHABLE;
5533 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
5536 net->failure_threshold = thlds->spt_pathmaxrxt;
5537 net->pf_threshold = thlds->spt_pathpfthld;
5539 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5540 if (net->dest_state & SCTP_ADDR_PF) {
5541 if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
5542 (net->failure_threshold <= thlds->spt_pathpfthld)) {
5543 net->dest_state &= ~SCTP_ADDR_PF;
5546 if ((net->failure_threshold > thlds->spt_pathpfthld) &&
5547 (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
5548 net->dest_state |= SCTP_ADDR_PF;
5549 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5550 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
5551 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5554 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5555 if (net->failure_threshold > thlds->spt_pathmaxrxt) {
5556 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5557 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
5560 if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
5561 net->dest_state |= SCTP_ADDR_REACHABLE;
5562 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, SCTP_RESPONSE_TO_USER_REQ, net, SCTP_SO_LOCKED);
5565 net->failure_threshold = thlds->spt_pathmaxrxt;
5566 net->pf_threshold = thlds->spt_pathpfthld;
5568 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
5569 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
5572 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5573 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5574 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
5575 SCTP_INP_WLOCK(inp);
5576 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
5577 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
5578 SCTP_INP_WUNLOCK(inp);
5580 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5587 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
5588 error = ENOPROTOOPT;
5590 } /* end switch (opt) */
5595 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
5597 void *optval = NULL;
5599 struct sctp_inpcb *inp;
5603 inp = (struct sctp_inpcb *)so->so_pcb;
5605 /* I made the same as TCP since we are not setup? */
5606 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5607 return (ECONNRESET);
5609 if (sopt->sopt_level != IPPROTO_SCTP) {
5610 /* wrong proto level... send back up to IP */
5612 if (INP_CHECK_SOCKAF(so, AF_INET6))
5613 error = ip6_ctloutput(so, sopt);
5615 #if defined(INET) && defined (INET6)
5619 error = ip_ctloutput(so, sopt);
5623 optsize = sopt->sopt_valsize;
5625 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
5626 if (optval == NULL) {
5627 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
5630 error = sooptcopyin(sopt, optval, optsize, optsize);
5632 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5636 p = (void *)sopt->sopt_td;
5637 if (sopt->sopt_dir == SOPT_SET) {
5638 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
5639 } else if (sopt->sopt_dir == SOPT_GET) {
5640 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
5642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5645 if ((error == 0) && (optval != NULL)) {
5646 error = sooptcopyout(sopt, optval, optsize);
5647 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5648 } else if (optval != NULL) {
5649 SCTP_FREE(optval, SCTP_M_SOCKOPT);
5657 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
5660 int create_lock_on = 0;
5662 struct sctp_inpcb *inp;
5663 struct sctp_tcb *stcb = NULL;
5665 inp = (struct sctp_inpcb *)so->so_pcb;
5667 /* I made the same as TCP since we are not setup? */
5668 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5669 return (ECONNRESET);
5672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5675 switch (addr->sa_family) {
5679 struct sockaddr_in6 *sin6p;
5681 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
5682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5685 sin6p = (struct sockaddr_in6 *)addr;
5686 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
5687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5696 struct sockaddr_in *sinp;
5698 if (addr->sa_len != sizeof(struct sockaddr_in)) {
5699 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5702 sinp = (struct sockaddr_in *)addr;
5703 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
5704 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5711 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
5712 return (EAFNOSUPPORT);
5714 SCTP_INP_INCR_REF(inp);
5715 SCTP_ASOC_CREATE_LOCK(inp);
5719 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
5720 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
5721 /* Should I really unlock ? */
5722 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
5727 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
5728 (addr->sa_family == AF_INET6)) {
5729 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5734 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
5735 SCTP_PCB_FLAGS_UNBOUND) {
5736 /* Bind a ephemeral port */
5737 error = sctp_inpcb_bind(so, NULL, NULL, p);
5742 /* Now do we connect? */
5743 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
5744 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
5745 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5749 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
5750 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
5751 /* We are already connected AND the TCP model */
5752 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
5756 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
5757 SCTP_INP_RLOCK(inp);
5758 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5759 SCTP_INP_RUNLOCK(inp);
5762 * We increment here since sctp_findassociation_ep_addr()
5763 * will do a decrement if it finds the stcb as long as the
5764 * locked tcb (last argument) is NOT a TCB.. aka NULL.
5766 SCTP_INP_INCR_REF(inp);
5767 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
5769 SCTP_INP_DECR_REF(inp);
5771 SCTP_TCB_UNLOCK(stcb);
5775 /* Already have or am bring up an association */
5776 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
5780 vrf_id = inp->def_vrf_id;
5781 /* We are GOOD to go */
5782 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
5784 /* Gak! no memory */
5787 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
5788 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
5789 /* Set the connected flag so we can queue data */
5792 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
5793 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
5795 /* initialize authentication parameters for the assoc */
5796 sctp_initialize_auth_params(inp, stcb);
5798 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
5799 SCTP_TCB_UNLOCK(stcb);
5801 if (create_lock_on) {
5802 SCTP_ASOC_CREATE_UNLOCK(inp);
5804 SCTP_INP_DECR_REF(inp);
5811 sctp_listen(struct socket *so, int backlog, struct thread *p)
5814 * Note this module depends on the protocol processing being called
5815 * AFTER any socket level flags and backlog are applied to the
5816 * socket. The traditional way that the socket flags are applied is
5817 * AFTER protocol processing. We have made a change to the
5818 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
5819 * place if the socket API for SCTP is to work properly.
5823 struct sctp_inpcb *inp;
5825 inp = (struct sctp_inpcb *)so->so_pcb;
5827 /* I made the same as TCP since we are not setup? */
5828 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5829 return (ECONNRESET);
5831 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
5832 /* See if we have a listener */
5833 struct sctp_inpcb *tinp;
5834 union sctp_sockstore store, *sp;
5837 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5839 struct sctp_laddr *laddr;
5841 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5842 memcpy(&store, &laddr->ifa->address, sizeof(store));
5843 switch (sp->sa.sa_family) {
5846 sp->sin.sin_port = inp->sctp_lport;
5851 sp->sin6.sin6_port = inp->sctp_lport;
5857 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
5858 if (tinp && (tinp != inp) &&
5859 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
5860 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
5861 (tinp->sctp_socket->so_qlimit)) {
5863 * we have a listener already and
5866 SCTP_INP_DECR_REF(tinp);
5867 return (EADDRINUSE);
5869 SCTP_INP_DECR_REF(tinp);
5873 /* Setup a local addr bound all */
5874 memset(&store, 0, sizeof(store));
5875 switch (sp->sa.sa_family) {
5878 store.sin.sin_port = inp->sctp_lport;
5883 sp->sin6.sin6_port = inp->sctp_lport;
5890 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5891 store.sa.sa_family = AF_INET6;
5892 store.sa.sa_len = sizeof(struct sockaddr_in6);
5896 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
5897 store.sa.sa_family = AF_INET;
5898 store.sa.sa_len = sizeof(struct sockaddr_in);
5901 tinp = sctp_pcb_findep(&sp->sa, 0, 0, inp->def_vrf_id);
5902 if (tinp && (tinp != inp) &&
5903 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
5904 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
5905 (tinp->sctp_socket->so_qlimit)) {
5907 * we have a listener already and its not
5910 SCTP_INP_DECR_REF(tinp);
5911 return (EADDRINUSE);
5913 SCTP_INP_DECR_REF(inp);
5917 SCTP_INP_RLOCK(inp);
5918 #ifdef SCTP_LOCK_LOGGING
5919 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
5920 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
5924 error = solisten_proto_check(so);
5927 SCTP_INP_RUNLOCK(inp);
5930 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
5931 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5933 * The unlucky case - We are in the tcp pool with this guy.
5934 * - Someone else is in the main inp slot. - We must move
5935 * this guy (the listener) to the main slot - We must then
5936 * move the guy that was listener to the TCP Pool.
5938 if (sctp_swap_inpcb_for_listen(inp)) {
5942 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
5943 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
5944 /* We are already connected AND the TCP model */
5946 SCTP_INP_RUNLOCK(inp);
5948 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
5949 return (EADDRINUSE);
5951 SCTP_INP_RUNLOCK(inp);
5952 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
5953 /* We must do a bind. */
5955 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
5956 /* bind error, probably perm */
5961 /* It appears for 7.0 and on, we must always call this. */
5962 solisten_proto(so, backlog);
5963 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
5964 /* remove the ACCEPTCONN flag for one-to-many sockets */
5965 so->so_options &= ~SO_ACCEPTCONN;
5968 /* turning off listen */
5969 so->so_options &= ~SO_ACCEPTCONN;
5975 static int sctp_defered_wakeup_cnt = 0;
5978 sctp_accept(struct socket *so, struct sockaddr **addr)
5980 struct sctp_tcb *stcb;
5981 struct sctp_inpcb *inp;
5982 union sctp_sockstore store;
5988 inp = (struct sctp_inpcb *)so->so_pcb;
5991 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5992 return (ECONNRESET);
5994 SCTP_INP_RLOCK(inp);
5995 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
5996 SCTP_INP_RUNLOCK(inp);
5997 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
5998 return (EOPNOTSUPP);
6000 if (so->so_state & SS_ISDISCONNECTED) {
6001 SCTP_INP_RUNLOCK(inp);
6002 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
6003 return (ECONNABORTED);
6005 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6007 SCTP_INP_RUNLOCK(inp);
6008 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6009 return (ECONNRESET);
6011 SCTP_TCB_LOCK(stcb);
6012 SCTP_INP_RUNLOCK(inp);
6013 store = stcb->asoc.primary_destination->ro._l_addr;
6014 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
6015 SCTP_TCB_UNLOCK(stcb);
6016 switch (store.sa.sa_family) {
6020 struct sockaddr_in *sin;
6022 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6025 sin->sin_family = AF_INET;
6026 sin->sin_len = sizeof(*sin);
6027 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port;
6028 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr;
6029 *addr = (struct sockaddr *)sin;
6036 struct sockaddr_in6 *sin6;
6038 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
6041 sin6->sin6_family = AF_INET6;
6042 sin6->sin6_len = sizeof(*sin6);
6043 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port;
6045 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr;
6046 if ((error = sa6_recoverscope(sin6)) != 0) {
6047 SCTP_FREE_SONAME(sin6);
6050 *addr = (struct sockaddr *)sin6;
6058 /* Wake any delayed sleep action */
6059 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
6060 SCTP_INP_WLOCK(inp);
6061 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
6062 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
6063 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
6064 SCTP_INP_WUNLOCK(inp);
6065 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
6066 if (sowriteable(inp->sctp_socket)) {
6067 sowwakeup_locked(inp->sctp_socket);
6069 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
6071 SCTP_INP_WLOCK(inp);
6073 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
6074 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
6075 SCTP_INP_WUNLOCK(inp);
6076 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
6077 if (soreadable(inp->sctp_socket)) {
6078 sctp_defered_wakeup_cnt++;
6079 sorwakeup_locked(inp->sctp_socket);
6081 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
6083 SCTP_INP_WLOCK(inp);
6085 SCTP_INP_WUNLOCK(inp);
6087 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
6088 SCTP_TCB_LOCK(stcb);
6089 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7);
6096 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
6098 struct sockaddr_in *sin;
6100 struct sctp_inpcb *inp;
6101 struct sctp_ifa *sctp_ifa;
6104 * Do the malloc first in case it blocks.
6106 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6109 sin->sin_family = AF_INET;
6110 sin->sin_len = sizeof(*sin);
6111 inp = (struct sctp_inpcb *)so->so_pcb;
6113 SCTP_FREE_SONAME(sin);
6114 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6117 SCTP_INP_RLOCK(inp);
6118 sin->sin_port = inp->sctp_lport;
6119 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
6120 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
6121 struct sctp_tcb *stcb;
6122 struct sockaddr_in *sin_a;
6123 struct sctp_nets *net;
6126 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6132 SCTP_TCB_LOCK(stcb);
6133 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6134 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
6136 /* this will make coverity happy */
6139 if (sin_a->sin_family == AF_INET) {
6144 if ((!fnd) || (sin_a == NULL)) {
6146 SCTP_TCB_UNLOCK(stcb);
6149 vrf_id = inp->def_vrf_id;
6150 sctp_ifa = sctp_source_address_selection(inp,
6152 (sctp_route_t *) & net->ro,
6155 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
6156 sctp_free_ifa(sctp_ifa);
6158 SCTP_TCB_UNLOCK(stcb);
6160 /* For the bound all case you get back 0 */
6162 sin->sin_addr.s_addr = 0;
6166 /* Take the first IPv4 address in the list */
6167 struct sctp_laddr *laddr;
6170 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
6171 if (laddr->ifa->address.sa.sa_family == AF_INET) {
6172 struct sockaddr_in *sin_a;
6174 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
6175 sin->sin_addr = sin_a->sin_addr;
6181 SCTP_FREE_SONAME(sin);
6182 SCTP_INP_RUNLOCK(inp);
6183 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
6187 SCTP_INP_RUNLOCK(inp);
6188 (*addr) = (struct sockaddr *)sin;
6193 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
6195 struct sockaddr_in *sin = (struct sockaddr_in *)*addr;
6197 struct sockaddr_in *sin_a;
6198 struct sctp_inpcb *inp;
6199 struct sctp_tcb *stcb;
6200 struct sctp_nets *net;
6202 /* Do the malloc first in case it blocks. */
6203 inp = (struct sctp_inpcb *)so->so_pcb;
6204 if ((inp == NULL) ||
6205 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
6206 /* UDP type and listeners will drop out here */
6207 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
6210 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
6213 sin->sin_family = AF_INET;
6214 sin->sin_len = sizeof(*sin);
6216 /* We must recapture incase we blocked */
6217 inp = (struct sctp_inpcb *)so->so_pcb;
6219 SCTP_FREE_SONAME(sin);
6220 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6223 SCTP_INP_RLOCK(inp);
6224 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6226 SCTP_TCB_LOCK(stcb);
6228 SCTP_INP_RUNLOCK(inp);
6230 SCTP_FREE_SONAME(sin);
6231 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6235 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6236 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
6237 if (sin_a->sin_family == AF_INET) {
6239 sin->sin_port = stcb->rport;
6240 sin->sin_addr = sin_a->sin_addr;
6244 SCTP_TCB_UNLOCK(stcb);
6246 /* No IPv4 address */
6247 SCTP_FREE_SONAME(sin);
6248 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
6251 (*addr) = (struct sockaddr *)sin;
6256 struct pr_usrreqs sctp_usrreqs = {
6257 .pru_abort = sctp_abort,
6258 .pru_accept = sctp_accept,
6259 .pru_attach = sctp_attach,
6260 .pru_bind = sctp_bind,
6261 .pru_connect = sctp_connect,
6262 .pru_control = in_control,
6263 .pru_close = sctp_close,
6264 .pru_detach = sctp_close,
6265 .pru_sopoll = sopoll_generic,
6266 .pru_flush = sctp_flush,
6267 .pru_disconnect = sctp_disconnect,
6268 .pru_listen = sctp_listen,
6269 .pru_peeraddr = sctp_peeraddr,
6270 .pru_send = sctp_sendm,
6271 .pru_shutdown = sctp_shutdown,
6272 .pru_sockaddr = sctp_ingetaddr,
6273 .pru_sosend = sctp_sosend,
6274 .pru_soreceive = sctp_soreceive