2 * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, 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 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <netinet/sctp_os.h>
38 #include <netinet/sctp_pcb.h>
39 #include <netinet/sctp_header.h>
40 #include <netinet/sctp_var.h>
42 #include <netinet6/sctp6_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);
82 SCTP_BASE_VAR(first_time) = 0;
83 SCTP_BASE_VAR(sctp_pcb_initialized) = 0;
85 #if defined(SCTP_PACKET_LOGGING)
86 SCTP_BASE_VAR(packet_log_writers) = 0;
87 SCTP_BASE_VAR(packet_log_end) = 0;
88 bzero(&SCTP_BASE_VAR(packet_log_buffer), SCTP_PACKET_LOG_SIZE);
101 sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
103 struct sctp_tmit_chunk *chk;
106 /* Adjust that too */
107 stcb->asoc.smallest_mtu = nxtsz;
108 /* now off to subtract IP_DF flag if needed */
109 overhead = IP_HDR_SIZE;
110 if (sctp_auth_is_required_chunk(SCTP_DATA, stcb->asoc.peer_auth_chunks)) {
111 overhead += sctp_get_auth_chunk_len(stcb->asoc.peer_hmac_id);
113 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
114 if ((chk->send_size + overhead) > nxtsz) {
115 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
118 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
119 if ((chk->send_size + overhead) > nxtsz) {
121 * For this guy we also mark for immediate resend
122 * since we sent to big of chunk
124 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
125 if (chk->sent < SCTP_DATAGRAM_RESEND) {
126 sctp_flight_size_decrease(chk);
127 sctp_total_flight_decrease(stcb, chk);
128 chk->sent = SCTP_DATAGRAM_RESEND;
129 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
130 chk->rec.data.doing_fast_retransmit = 0;
131 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
132 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
133 chk->whoTo->flight_size,
135 (uintptr_t) chk->whoTo,
136 chk->rec.data.TSN_seq);
138 /* Clear any time so NO RTT is being done */
147 sctp_notify_mbuf(struct sctp_inpcb *inp,
148 struct sctp_tcb *stcb,
149 struct sctp_nets *net,
154 int totsz, tmr_stopped = 0;
158 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
159 (ip == NULL) || (sh == NULL)) {
161 SCTP_TCB_UNLOCK(stcb);
165 /* First job is to verify the vtag matches what I would send */
166 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
167 SCTP_TCB_UNLOCK(stcb);
170 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
172 if (icmph->icmp_type != ICMP_UNREACH) {
173 /* We only care about unreachable */
174 SCTP_TCB_UNLOCK(stcb);
177 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
178 /* not a unreachable message due to frag. */
179 SCTP_TCB_UNLOCK(stcb);
182 totsz = ntohs(ip->ip_len);
184 nxtsz = ntohs(icmph->icmp_nextmtu);
187 * old type router that does not tell us what the next size
188 * mtu is. Rats we will have to guess (in a educated fashion
191 nxtsz = sctp_get_prev_mtu(totsz);
193 /* Stop any PMTU timer */
194 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
196 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
197 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
199 /* Adjust destination size limit */
200 if (net->mtu > nxtsz) {
203 net->mtu -= sizeof(struct udphdr);
206 /* now what about the ep? */
207 if (stcb->asoc.smallest_mtu > nxtsz) {
208 sctp_pathmtu_adjustment(stcb, nxtsz);
211 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
213 SCTP_TCB_UNLOCK(stcb);
217 sctp_notify(struct sctp_inpcb *inp,
221 struct sctp_tcb *stcb,
222 struct sctp_nets *net)
224 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
231 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
232 (sh == NULL) || (to == NULL)) {
234 SCTP_TCB_UNLOCK(stcb);
237 /* First job is to verify the vtag matches what I would send */
238 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
239 SCTP_TCB_UNLOCK(stcb);
242 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
244 if (icmph->icmp_type != ICMP_UNREACH) {
245 /* We only care about unreachable */
246 SCTP_TCB_UNLOCK(stcb);
249 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
250 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
251 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
252 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
253 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
254 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
255 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
256 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
259 * Hmm reachablity problems we must examine closely. If its
260 * not reachable, we may have lost a network. Or if there is
261 * NO protocol at the other end named SCTP. well we consider
264 if (net->dest_state & SCTP_ADDR_REACHABLE) {
265 /* Ok that destination is NOT reachable */
266 net->dest_state &= ~SCTP_ADDR_REACHABLE;
267 net->dest_state &= ~SCTP_ADDR_PF;
268 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
270 (void *)net, SCTP_SO_NOT_LOCKED);
272 SCTP_TCB_UNLOCK(stcb);
273 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
274 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
276 * Here the peer is either playing tricks on us, including
277 * an address that belongs to someone who does not support
278 * SCTP OR was a userland implementation that shutdown and
279 * now is dead. In either case treat it like a OOTB abort
282 sctp_abort_notification(stcb, 1, 0, NULL, SCTP_SO_NOT_LOCKED);
283 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
284 so = SCTP_INP_SO(inp);
285 atomic_add_int(&stcb->asoc.refcnt, 1);
286 SCTP_TCB_UNLOCK(stcb);
287 SCTP_SOCKET_LOCK(so, 1);
289 atomic_subtract_int(&stcb->asoc.refcnt, 1);
291 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
292 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
293 #if defined(__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
294 SCTP_SOCKET_UNLOCK(so, 1);
295 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
297 /* no need to unlock here, since the TCB is gone */
299 SCTP_TCB_UNLOCK(stcb);
307 sctp_ctlinput(cmd, sa, vip)
316 /* FIX, for non-bsd is this right? */
317 vrf_id = SCTP_DEFAULT_VRFID;
318 if (sa->sa_family != AF_INET ||
319 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
322 if (PRC_IS_REDIRECT(cmd)) {
324 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
328 struct sctp_inpcb *inp = NULL;
329 struct sctp_tcb *stcb = NULL;
330 struct sctp_nets *net = NULL;
331 struct sockaddr_in to, from;
333 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
334 bzero(&to, sizeof(to));
335 bzero(&from, sizeof(from));
336 from.sin_family = to.sin_family = AF_INET;
337 from.sin_len = to.sin_len = sizeof(to);
338 from.sin_port = sh->src_port;
339 from.sin_addr = ip->ip_src;
340 to.sin_port = sh->dest_port;
341 to.sin_addr = ip->ip_dst;
344 * 'to' holds the dest of the packet that failed to be sent.
345 * 'from' holds our local endpoint address. Thus we reverse
346 * the to and the from in the lookup.
348 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&to,
349 (struct sockaddr *)&from,
350 &inp, &net, 1, vrf_id);
351 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
352 if (cmd != PRC_MSGSIZE) {
353 sctp_notify(inp, ip, sh,
354 (struct sockaddr *)&to, stcb,
357 /* handle possible ICMP size messages */
358 sctp_notify_mbuf(inp, stcb, net, ip, sh);
361 if ((stcb == NULL) && (inp != NULL)) {
362 /* reduce ref-count */
364 SCTP_INP_DECR_REF(inp);
365 SCTP_INP_WUNLOCK(inp);
368 SCTP_TCB_UNLOCK(stcb);
378 sctp_getcred(SYSCTL_HANDLER_ARGS)
381 struct sockaddr_in addrs[2];
382 struct sctp_inpcb *inp;
383 struct sctp_nets *net;
384 struct sctp_tcb *stcb;
388 /* FIX, for non-bsd is this right? */
389 vrf_id = SCTP_DEFAULT_VRFID;
391 error = priv_check(req->td, PRIV_NETINET_GETCRED);
396 error = SYSCTL_IN(req, addrs, sizeof(addrs));
400 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[1]),
402 &inp, &net, 1, vrf_id);
403 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
404 if ((inp != NULL) && (stcb == NULL)) {
405 /* reduce ref-count */
407 SCTP_INP_DECR_REF(inp);
410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
414 SCTP_TCB_UNLOCK(stcb);
416 * We use the write lock here, only since in the error leg we need
417 * it. If we used RLOCK, then we would have to
418 * wlock/decr/unlock/rlock. Which in theory could create a hole.
419 * Better to use higher wlock.
423 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
425 SCTP_INP_WUNLOCK(inp);
428 cru2x(inp->sctp_socket->so_cred, &xuc);
429 SCTP_INP_WUNLOCK(inp);
430 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
435 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
436 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
441 sctp_abort(struct socket *so)
443 struct sctp_inpcb *inp;
446 inp = (struct sctp_inpcb *)so->so_pcb;
451 flags = inp->sctp_flags;
452 #ifdef SCTP_LOG_CLOSING
453 sctp_log_closing(inp, NULL, 17);
455 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
456 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
457 #ifdef SCTP_LOG_CLOSING
458 sctp_log_closing(inp, NULL, 16);
460 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
461 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
463 SCTP_SB_CLEAR(so->so_snd);
465 * same for the rcv ones, they are only here for the
468 SCTP_SB_CLEAR(so->so_rcv);
470 /* Now null out the reference, we are completely detached. */
474 flags = inp->sctp_flags;
475 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
476 goto sctp_must_try_again;
483 sctp_attach(struct socket *so, int proto SCTP_UNUSED, struct thread *p SCTP_UNUSED)
485 struct sctp_inpcb *inp;
486 struct inpcb *ip_inp;
488 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
495 inp = (struct sctp_inpcb *)so->so_pcb;
497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
500 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) {
501 error = SCTP_SORESERVE(so, SCTP_BASE_SYSCTL(sctp_sendspace), SCTP_BASE_SYSCTL(sctp_recvspace));
506 error = sctp_inpcb_alloc(so, vrf_id);
510 inp = (struct sctp_inpcb *)so->so_pcb;
512 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
513 ip_inp = &inp->ip_inp.inp;
514 ip_inp->inp_vflag |= INP_IPV4;
515 ip_inp->inp_ip_ttl = MODULE_GLOBAL(ip_defttl);
517 error = ipsec_init_policy(so, &ip_inp->inp_sp);
518 #ifdef SCTP_LOG_CLOSING
519 sctp_log_closing(inp, NULL, 17);
523 flags = inp->sctp_flags;
524 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
525 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
526 #ifdef SCTP_LOG_CLOSING
527 sctp_log_closing(inp, NULL, 15);
529 SCTP_INP_WUNLOCK(inp);
530 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
531 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
533 flags = inp->sctp_flags;
534 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
537 SCTP_INP_WUNLOCK(inp);
543 SCTP_INP_WUNLOCK(inp);
548 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
550 struct sctp_inpcb *inp;
552 inp = (struct sctp_inpcb *)so->so_pcb;
554 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
558 if ((addr->sa_family != AF_INET) ||
559 (addr->sa_len != sizeof(struct sockaddr_in))) {
560 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
564 return (sctp_inpcb_bind(so, addr, NULL, p));
569 sctp_close(struct socket *so)
571 struct sctp_inpcb *inp;
574 inp = (struct sctp_inpcb *)so->so_pcb;
579 * Inform all the lower layer assoc that we are done.
582 flags = inp->sctp_flags;
583 #ifdef SCTP_LOG_CLOSING
584 sctp_log_closing(inp, NULL, 17);
586 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
587 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
588 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
589 (so->so_rcv.sb_cc > 0)) {
590 #ifdef SCTP_LOG_CLOSING
591 sctp_log_closing(inp, NULL, 13);
593 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
594 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
596 #ifdef SCTP_LOG_CLOSING
597 sctp_log_closing(inp, NULL, 14);
599 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
600 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
603 * The socket is now detached, no matter what the state of
604 * the SCTP association.
607 SCTP_SB_CLEAR(so->so_snd);
609 * same for the rcv ones, they are only here for the
612 SCTP_SB_CLEAR(so->so_rcv);
614 /* Now null out the reference, we are completely detached. */
618 flags = inp->sctp_flags;
619 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
620 goto sctp_must_try_again;
628 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
629 struct mbuf *control, struct thread *p);
633 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
634 struct mbuf *control, struct thread *p)
636 struct sctp_inpcb *inp;
639 inp = (struct sctp_inpcb *)so->so_pcb;
642 sctp_m_freem(control);
645 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
649 /* Got to have an to address if we are NOT a connected socket */
650 if ((addr == NULL) &&
651 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
652 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))) {
654 } else if (addr == NULL) {
655 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
656 error = EDESTADDRREQ;
659 sctp_m_freem(control);
665 if (addr->sa_family != AF_INET) {
666 /* must be a v4 address! */
667 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
670 sctp_m_freem(control);
673 error = EDESTADDRREQ;
678 /* now what about control */
681 SCTP_PRINTF("huh? control set?\n");
682 sctp_m_freem(inp->control);
685 inp->control = control;
689 SCTP_BUF_NEXT(inp->pkt_last) = m;
692 inp->pkt_last = inp->pkt = m;
695 /* FreeBSD uses a flag passed */
696 ((flags & PRUS_MORETOCOME) == 0)
699 * note with the current version this code will only be used
700 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
701 * re-defining sosend to use the sctp_sosend. One can
702 * optionally switch back to this code (by changing back the
703 * definitions) but this is not advisable. This code is used
704 * by FreeBSD when sending a file with sendfile() though.
708 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
718 sctp_disconnect(struct socket *so)
720 struct sctp_inpcb *inp;
722 inp = (struct sctp_inpcb *)so->so_pcb;
724 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
729 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
730 if (LIST_EMPTY(&inp->sctp_asoc_list)) {
732 SCTP_INP_RUNLOCK(inp);
735 struct sctp_association *asoc;
736 struct sctp_tcb *stcb;
738 stcb = LIST_FIRST(&inp->sctp_asoc_list);
740 SCTP_INP_RUNLOCK(inp);
741 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
746 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
747 /* We are about to be freed, out of here */
748 SCTP_TCB_UNLOCK(stcb);
749 SCTP_INP_RUNLOCK(inp);
752 if (((so->so_options & SO_LINGER) &&
753 (so->so_linger == 0)) ||
754 (so->so_rcv.sb_cc > 0)) {
755 if (SCTP_GET_STATE(asoc) !=
756 SCTP_STATE_COOKIE_WAIT) {
757 /* Left with Data unread */
760 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_NOWAIT, 1, MT_DATA);
766 struct sctp_paramhdr *ph;
768 ph = mtod(err, struct sctp_paramhdr *);
769 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
770 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
771 ph->param_length = htons(SCTP_BUF_LEN(err));
773 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
774 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
776 SCTP_INP_RUNLOCK(inp);
777 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
778 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
779 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
781 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
782 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
783 /* No unlock tcb assoc is gone */
786 if (TAILQ_EMPTY(&asoc->send_queue) &&
787 TAILQ_EMPTY(&asoc->sent_queue) &&
788 (asoc->stream_queue_cnt == 0)) {
789 /* there is nothing queued to send, so done */
790 if (asoc->locked_on_sending) {
793 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
794 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
795 /* only send SHUTDOWN 1st time thru */
796 struct sctp_nets *netp;
798 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
799 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
800 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
802 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
803 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
804 sctp_stop_timers_for_shutdown(stcb);
805 if (stcb->asoc.alternate) {
806 netp = stcb->asoc.alternate;
808 netp = stcb->asoc.primary_destination;
810 sctp_send_shutdown(stcb, netp);
811 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
812 stcb->sctp_ep, stcb, netp);
813 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
814 stcb->sctp_ep, stcb, netp);
815 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
819 * we still got (or just got) data to send,
820 * so set SHUTDOWN_PENDING
823 * XXX sockets draft says that SCTP_EOF
824 * should be sent with no data. currently,
825 * we will allow user data to be sent first
826 * and move to SHUTDOWN-PENDING
828 struct sctp_nets *netp;
830 if (stcb->asoc.alternate) {
831 netp = stcb->asoc.alternate;
833 netp = stcb->asoc.primary_destination;
836 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
837 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
839 if (asoc->locked_on_sending) {
840 /* Locked to send out the data */
841 struct sctp_stream_queue_pending *sp;
843 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
845 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
846 asoc->locked_on_sending->stream_no);
848 if ((sp->length == 0) && (sp->msg_is_complete == 0))
849 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
852 if (TAILQ_EMPTY(&asoc->send_queue) &&
853 TAILQ_EMPTY(&asoc->sent_queue) &&
854 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
858 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
859 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
860 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
861 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
862 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
863 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
864 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
866 SCTP_INP_RUNLOCK(inp);
867 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
868 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
871 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
874 soisdisconnecting(so);
875 SCTP_TCB_UNLOCK(stcb);
876 SCTP_INP_RUNLOCK(inp);
881 /* UDP model does not support this */
882 SCTP_INP_RUNLOCK(inp);
883 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
889 sctp_flush(struct socket *so, int how)
892 * We will just clear out the values and let subsequent close clear
893 * out the data, if any. Note if the user did a shutdown(SHUT_RD)
894 * they will not be able to read the data, the socket will block
895 * that from happening.
897 struct sctp_inpcb *inp;
899 inp = (struct sctp_inpcb *)so->so_pcb;
901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
905 /* For the 1 to many model this does nothing */
906 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
907 SCTP_INP_RUNLOCK(inp);
910 SCTP_INP_RUNLOCK(inp);
911 if ((how == PRU_FLUSH_RD) || (how == PRU_FLUSH_RDWR)) {
913 * First make sure the sb will be happy, we don't use these
914 * except maybe the count
917 SCTP_INP_READ_LOCK(inp);
918 inp->sctp_flags |= SCTP_PCB_FLAGS_SOCKET_CANT_READ;
919 SCTP_INP_READ_UNLOCK(inp);
920 SCTP_INP_WUNLOCK(inp);
921 so->so_rcv.sb_cc = 0;
922 so->so_rcv.sb_mbcnt = 0;
923 so->so_rcv.sb_mb = NULL;
925 if ((how == PRU_FLUSH_WR) || (how == PRU_FLUSH_RDWR)) {
927 * First make sure the sb will be happy, we don't use these
928 * except maybe the count
930 so->so_snd.sb_cc = 0;
931 so->so_snd.sb_mbcnt = 0;
932 so->so_snd.sb_mb = NULL;
939 sctp_shutdown(struct socket *so)
941 struct sctp_inpcb *inp;
943 inp = (struct sctp_inpcb *)so->so_pcb;
945 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
949 /* For UDP model this is a invalid call */
950 if (!((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
951 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL))) {
952 /* Restore the flags that the soshutdown took away. */
953 SOCKBUF_LOCK(&so->so_rcv);
954 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
955 SOCKBUF_UNLOCK(&so->so_rcv);
956 /* This proc will wakeup for read and do nothing (I hope) */
957 SCTP_INP_RUNLOCK(inp);
958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
962 * Ok if we reach here its the TCP model and it is either a SHUT_WR
963 * or SHUT_RDWR. This means we put the shutdown flag against it.
966 struct sctp_tcb *stcb;
967 struct sctp_association *asoc;
970 (SS_ISCONNECTED | SS_ISCONNECTING | SS_ISDISCONNECTING)) == 0) {
971 SCTP_INP_RUNLOCK(inp);
976 stcb = LIST_FIRST(&inp->sctp_asoc_list);
979 * Ok we hit the case that the shutdown call was
980 * made after an abort or something. Nothing to do
983 SCTP_INP_RUNLOCK(inp);
988 if (TAILQ_EMPTY(&asoc->send_queue) &&
989 TAILQ_EMPTY(&asoc->sent_queue) &&
990 (asoc->stream_queue_cnt == 0)) {
991 if (asoc->locked_on_sending) {
994 /* there is nothing queued to send, so I'm done... */
995 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
996 /* only send SHUTDOWN the first time through */
997 struct sctp_nets *netp;
999 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
1000 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
1001 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
1003 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
1004 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
1005 sctp_stop_timers_for_shutdown(stcb);
1006 if (stcb->asoc.alternate) {
1007 netp = stcb->asoc.alternate;
1009 netp = stcb->asoc.primary_destination;
1011 sctp_send_shutdown(stcb, netp);
1012 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
1013 stcb->sctp_ep, stcb, netp);
1014 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
1015 stcb->sctp_ep, stcb, netp);
1016 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
1020 * we still got (or just got) data to send, so set
1023 struct sctp_nets *netp;
1025 if (stcb->asoc.alternate) {
1026 netp = stcb->asoc.alternate;
1028 netp = stcb->asoc.primary_destination;
1031 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
1032 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
1035 if (asoc->locked_on_sending) {
1036 /* Locked to send out the data */
1037 struct sctp_stream_queue_pending *sp;
1039 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1041 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1042 asoc->locked_on_sending->stream_no);
1044 if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
1045 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1049 if (TAILQ_EMPTY(&asoc->send_queue) &&
1050 TAILQ_EMPTY(&asoc->sent_queue) &&
1051 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1052 struct mbuf *op_err;
1055 op_err = sctp_generate_cause(SCTP_CAUSE_USER_INITIATED_ABT, "");
1056 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
1057 sctp_abort_an_association(stcb->sctp_ep, stcb,
1058 op_err, SCTP_SO_LOCKED);
1061 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1064 SCTP_TCB_UNLOCK(stcb);
1067 SCTP_INP_RUNLOCK(inp);
1072 * copies a "user" presentable address and removes embedded scope, etc.
1073 * returns 0 on success, 1 on error
1076 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1079 struct sockaddr_in6 lsa6;
1081 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1084 memcpy(ss, sa, sa->sa_len);
1091 * NOTE: assumes addr lock is held
1094 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1095 struct sctp_tcb *stcb,
1097 struct sockaddr_storage *sas,
1100 struct sctp_ifn *sctp_ifn;
1101 struct sctp_ifa *sctp_ifa;
1106 int ipv4_local_scope, ipv4_addr_legal;
1110 int local_scope, site_scope, ipv6_addr_legal;
1113 struct sctp_vrf *vrf;
1120 /* Turn on all the appropriate scope */
1121 loopback_scope = stcb->asoc.scope.loopback_scope;
1123 ipv4_local_scope = stcb->asoc.scope.ipv4_local_scope;
1124 ipv4_addr_legal = stcb->asoc.scope.ipv4_addr_legal;
1127 local_scope = stcb->asoc.scope.local_scope;
1128 site_scope = stcb->asoc.scope.site_scope;
1129 ipv6_addr_legal = stcb->asoc.scope.ipv6_addr_legal;
1132 /* Use generic values for endpoints. */
1135 ipv4_local_scope = 1;
1141 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1143 ipv6_addr_legal = 1;
1146 if (SCTP_IPV6_V6ONLY(inp)) {
1147 ipv4_addr_legal = 0;
1149 ipv4_addr_legal = 1;
1154 ipv6_addr_legal = 0;
1157 ipv4_addr_legal = 1;
1161 vrf = sctp_find_vrf(vrf_id);
1165 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1166 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1167 if ((loopback_scope == 0) &&
1168 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1169 /* Skip loopback if loopback_scope not set */
1172 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1175 * For the BOUND-ALL case, the list
1176 * associated with a TCB is Always
1177 * considered a reverse list.. i.e.
1178 * it lists addresses that are NOT
1179 * part of the association. If this
1180 * is one of those we must skip it.
1182 if (sctp_is_addr_restricted(stcb,
1187 switch (sctp_ifa->address.sa.sa_family) {
1190 if (ipv4_addr_legal) {
1191 struct sockaddr_in *sin;
1193 sin = &sctp_ifa->address.sin;
1194 if (sin->sin_addr.s_addr == 0) {
1202 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
1203 &sin->sin_addr) != 0) {
1206 if ((ipv4_local_scope == 0) &&
1207 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1211 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
1212 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1213 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1214 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1215 actual += sizeof(struct sockaddr_in6);
1218 memcpy(sas, sin, sizeof(*sin));
1219 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1220 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1221 actual += sizeof(*sin);
1225 if (actual >= limit) {
1235 if (ipv6_addr_legal) {
1236 struct sockaddr_in6 *sin6;
1238 sin6 = &sctp_ifa->address.sin6;
1239 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1247 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
1248 &sin6->sin6_addr) != 0) {
1251 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1252 if (local_scope == 0)
1254 if (sin6->sin6_scope_id == 0) {
1255 if (sa6_recoverscope(sin6) != 0)
1273 if ((site_scope == 0) &&
1274 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1277 memcpy(sas, sin6, sizeof(*sin6));
1278 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1279 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1280 actual += sizeof(*sin6);
1281 if (actual >= limit) {
1296 struct sctp_laddr *laddr;
1298 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1300 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1304 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1306 switch (laddr->ifa->address.sa.sa_family) {
1309 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1314 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1321 sas = (struct sockaddr_storage *)((caddr_t)sas +
1322 laddr->ifa->address.sa.sa_len);
1323 actual += laddr->ifa->address.sa.sa_len;
1324 if (actual >= limit) {
1333 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1334 struct sctp_tcb *stcb,
1336 struct sockaddr_storage *sas)
1340 SCTP_IPI_ADDR_RLOCK();
1341 /* fill up addresses for the endpoint's default vrf */
1342 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1344 SCTP_IPI_ADDR_RUNLOCK();
1349 * NOTE: assumes addr lock is held
1352 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1355 struct sctp_vrf *vrf = NULL;
1358 * In both sub-set bound an bound_all cases we return the MAXIMUM
1359 * number of addresses that you COULD get. In reality the sub-set
1360 * bound may have an exclusion list for a given TCB OR in the
1361 * bound-all case a TCB may NOT include the loopback or other
1362 * addresses as well.
1364 vrf = sctp_find_vrf(vrf_id);
1368 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1369 struct sctp_ifn *sctp_ifn;
1370 struct sctp_ifa *sctp_ifa;
1372 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1373 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1374 /* Count them if they are the right type */
1375 switch (sctp_ifa->address.sa.sa_family) {
1379 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1380 cnt += sizeof(struct sockaddr_in6);
1382 cnt += sizeof(struct sockaddr_in);
1384 cnt += sizeof(struct sockaddr_in);
1390 cnt += sizeof(struct sockaddr_in6);
1399 struct sctp_laddr *laddr;
1401 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1402 switch (laddr->ifa->address.sa.sa_family) {
1406 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4))
1407 cnt += sizeof(struct sockaddr_in6);
1409 cnt += sizeof(struct sockaddr_in);
1411 cnt += sizeof(struct sockaddr_in);
1417 cnt += sizeof(struct sockaddr_in6);
1429 sctp_count_max_addresses(struct sctp_inpcb *inp)
1433 SCTP_IPI_ADDR_RLOCK();
1434 /* count addresses for the endpoint's default VRF */
1435 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1436 SCTP_IPI_ADDR_RUNLOCK();
1441 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1442 size_t optsize, void *p, int delay)
1445 int creat_lock_on = 0;
1446 struct sctp_tcb *stcb = NULL;
1447 struct sockaddr *sa;
1448 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1450 int bad_addresses = 0;
1453 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1455 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1456 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1457 /* We are already connected AND the TCP model */
1458 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1459 return (EADDRINUSE);
1461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
1462 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
1463 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1466 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1467 SCTP_INP_RLOCK(inp);
1468 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1469 SCTP_INP_RUNLOCK(inp);
1472 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1475 SCTP_INP_INCR_REF(inp);
1476 SCTP_ASOC_CREATE_LOCK(inp);
1478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1479 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1480 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1484 totaddrp = (int *)optval;
1485 totaddr = *totaddrp;
1486 sa = (struct sockaddr *)(totaddrp + 1);
1487 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
1488 if ((stcb != NULL) || bad_addresses) {
1489 /* Already have or am bring up an association */
1490 SCTP_ASOC_CREATE_UNLOCK(inp);
1493 SCTP_TCB_UNLOCK(stcb);
1494 if (bad_addresses == 0) {
1495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1501 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1506 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1508 struct in6pcb *inp6;
1510 inp6 = (struct in6pcb *)inp;
1511 if (SCTP_IPV6_V6ONLY(inp6)) {
1513 * if IPV6_V6ONLY flag, ignore connections destined
1514 * to a v4 addr or v4-mapped addr
1516 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1522 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1523 SCTP_PCB_FLAGS_UNBOUND) {
1524 /* Bind a ephemeral port */
1525 error = sctp_inpcb_bind(so, NULL, NULL, p);
1530 /* FIX ME: do we want to pass in a vrf on the connect call? */
1531 vrf_id = inp->def_vrf_id;
1534 /* We are GOOD to go */
1535 stcb = sctp_aloc_assoc(inp, sa, &error, 0, vrf_id,
1539 /* Gak! no memory */
1542 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1543 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1544 /* Set the connected flag so we can queue data */
1547 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
1548 /* move to second address */
1549 switch (sa->sa_family) {
1552 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1557 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1565 sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1566 /* Fill in the return id */
1568 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE,
1569 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_7);
1572 a_id = (sctp_assoc_t *) optval;
1573 *a_id = sctp_get_associd(stcb);
1575 /* initialize authentication parameters for the assoc */
1576 sctp_initialize_auth_params(inp, stcb);
1579 /* doing delayed connection */
1580 stcb->asoc.delayed_connection = 1;
1581 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1583 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1584 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1586 SCTP_TCB_UNLOCK(stcb);
1587 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1588 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1589 /* Set the connected flag so we can queue data */
1593 if (creat_lock_on) {
1594 SCTP_ASOC_CREATE_UNLOCK(inp);
1596 SCTP_INP_DECR_REF(inp);
1600 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1601 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1602 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1603 SCTP_INP_RLOCK(inp); \
1604 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1606 SCTP_TCB_LOCK(stcb); \
1608 SCTP_INP_RUNLOCK(inp); \
1609 } else if (assoc_id > SCTP_ALL_ASSOC) { \
1610 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1611 if (stcb == NULL) { \
1612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1622 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1623 if (size < sizeof(type)) { \
1624 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1628 destp = (type *)srcp; \
1633 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1636 struct sctp_inpcb *inp = NULL;
1638 struct sctp_tcb *stcb = NULL;
1640 if (optval == NULL) {
1641 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1644 inp = (struct sctp_inpcb *)so->so_pcb;
1646 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1653 case SCTP_AUTOCLOSE:
1654 case SCTP_EXPLICIT_EOR:
1655 case SCTP_AUTO_ASCONF:
1656 case SCTP_DISABLE_FRAGMENTS:
1657 case SCTP_I_WANT_MAPPED_V4_ADDR:
1658 case SCTP_USE_EXT_RCVINFO:
1659 SCTP_INP_RLOCK(inp);
1661 case SCTP_DISABLE_FRAGMENTS:
1662 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1664 case SCTP_I_WANT_MAPPED_V4_ADDR:
1665 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1667 case SCTP_AUTO_ASCONF:
1668 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1669 /* only valid for bound all sockets */
1670 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1677 case SCTP_EXPLICIT_EOR:
1678 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1681 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1683 case SCTP_USE_EXT_RCVINFO:
1684 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1686 case SCTP_AUTOCLOSE:
1687 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1688 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1694 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1695 error = ENOPROTOOPT;
1696 } /* end switch (sopt->sopt_name) */
1697 if (*optsize < sizeof(val)) {
1698 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1702 SCTP_INP_RUNLOCK(inp);
1704 /* return the option value */
1705 *(int *)optval = val;
1706 *optsize = sizeof(val);
1709 case SCTP_GET_PACKET_LOG:
1711 #ifdef SCTP_PACKET_LOGGING
1715 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1716 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1719 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1724 case SCTP_REUSE_PORT:
1728 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
1729 /* Can't do this for a 1-m socket */
1733 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1734 *value = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
1735 *optsize = sizeof(uint32_t);
1738 case SCTP_PARTIAL_DELIVERY_POINT:
1742 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1743 *value = inp->partial_delivery_point;
1744 *optsize = sizeof(uint32_t);
1747 case SCTP_FRAGMENT_INTERLEAVE:
1751 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1752 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1753 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1754 *value = SCTP_FRAG_LEVEL_2;
1756 *value = SCTP_FRAG_LEVEL_1;
1759 *value = SCTP_FRAG_LEVEL_0;
1761 *optsize = sizeof(uint32_t);
1764 case SCTP_CMT_ON_OFF:
1766 struct sctp_assoc_value *av;
1768 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1769 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1771 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1772 SCTP_TCB_UNLOCK(stcb);
1774 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1775 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1776 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1777 SCTP_INP_RLOCK(inp);
1778 av->assoc_value = inp->sctp_cmt_on_off;
1779 SCTP_INP_RUNLOCK(inp);
1781 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1786 *optsize = sizeof(struct sctp_assoc_value);
1790 case SCTP_PLUGGABLE_CC:
1792 struct sctp_assoc_value *av;
1794 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1795 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1797 av->assoc_value = stcb->asoc.congestion_control_module;
1798 SCTP_TCB_UNLOCK(stcb);
1800 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1801 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1802 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1803 SCTP_INP_RLOCK(inp);
1804 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1805 SCTP_INP_RUNLOCK(inp);
1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1812 *optsize = sizeof(struct sctp_assoc_value);
1816 case SCTP_CC_OPTION:
1818 struct sctp_cc_option *cc_opt;
1820 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, *optsize);
1821 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
1825 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
1828 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 0, cc_opt);
1829 *optsize = sizeof(struct sctp_cc_option);
1831 SCTP_TCB_UNLOCK(stcb);
1835 case SCTP_PLUGGABLE_SS:
1837 struct sctp_assoc_value *av;
1839 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1840 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1842 av->assoc_value = stcb->asoc.stream_scheduling_module;
1843 SCTP_TCB_UNLOCK(stcb);
1845 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
1846 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
1847 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
1848 SCTP_INP_RLOCK(inp);
1849 av->assoc_value = inp->sctp_ep.sctp_default_ss_module;
1850 SCTP_INP_RUNLOCK(inp);
1852 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1857 *optsize = sizeof(struct sctp_assoc_value);
1863 struct sctp_stream_value *av;
1865 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, *optsize);
1866 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1868 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
1869 (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 switch (net->ro._l_addr.sa.sa_family) {
2235 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2236 size += sizeof(struct sockaddr_in6);
2238 size += sizeof(struct sockaddr_in);
2241 size += sizeof(struct sockaddr_in);
2247 size += sizeof(struct sockaddr_in6);
2254 SCTP_TCB_UNLOCK(stcb);
2255 *value = (uint32_t) size;
2256 *optsize = sizeof(uint32_t);
2258 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2263 case SCTP_GET_PEER_ADDRESSES:
2265 * Get the address information, an array is passed in to
2266 * fill up we pack it.
2270 struct sockaddr_storage *sas;
2271 struct sctp_nets *net;
2272 struct sctp_getaddresses *saddr;
2274 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2275 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2278 left = (*optsize) - sizeof(struct sctp_getaddresses);
2279 *optsize = sizeof(struct sctp_getaddresses);
2280 sas = (struct sockaddr_storage *)&saddr->addr[0];
2282 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2283 switch (net->ro._l_addr.sa.sa_family) {
2287 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2288 cpsz = sizeof(struct sockaddr_in6);
2290 cpsz = sizeof(struct sockaddr_in);
2293 cpsz = sizeof(struct sockaddr_in);
2299 cpsz = sizeof(struct sockaddr_in6);
2310 /* not enough room. */
2313 #if defined(INET) && defined(INET6)
2314 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) &&
2315 (net->ro._l_addr.sa.sa_family == AF_INET)) {
2316 /* Must map the address */
2317 in6_sin_2_v4mapsin6(&net->ro._l_addr.sin,
2318 (struct sockaddr_in6 *)sas);
2320 memcpy(sas, &net->ro._l_addr, cpsz);
2323 memcpy(sas, &net->ro._l_addr, cpsz);
2325 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2327 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2331 SCTP_TCB_UNLOCK(stcb);
2333 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2338 case SCTP_GET_LOCAL_ADDRESSES:
2340 size_t limit, actual;
2341 struct sockaddr_storage *sas;
2342 struct sctp_getaddresses *saddr;
2344 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2345 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2347 sas = (struct sockaddr_storage *)&saddr->addr[0];
2348 limit = *optsize - sizeof(sctp_assoc_t);
2349 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2351 SCTP_TCB_UNLOCK(stcb);
2353 *optsize = sizeof(struct sockaddr_storage) + actual;
2356 case SCTP_PEER_ADDR_PARAMS:
2358 struct sctp_paddrparams *paddrp;
2359 struct sctp_nets *net;
2360 struct sockaddr *addr;
2362 #if defined(INET) && defined(INET6)
2363 struct sockaddr_in sin_store;
2367 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2368 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2370 #if defined(INET) && defined(INET6)
2371 if (paddrp->spp_address.ss_family == AF_INET6) {
2372 struct sockaddr_in6 *sin6;
2374 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
2375 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2376 in6_sin6_2_sin(&sin_store, sin6);
2377 addr = (struct sockaddr *)&sin_store;
2379 addr = (struct sockaddr *)&paddrp->spp_address;
2382 addr = (struct sockaddr *)&paddrp->spp_address;
2385 addr = (struct sockaddr *)&paddrp->spp_address;
2388 net = sctp_findnet(stcb, addr);
2391 * We increment here since
2392 * sctp_findassociation_ep_addr() wil do a
2393 * decrement if it finds the stcb as long as
2394 * the locked tcb (last argument) is NOT a
2398 SCTP_INP_INCR_REF(inp);
2399 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2401 SCTP_INP_DECR_REF(inp);
2404 if ((stcb != NULL) && (net == NULL)) {
2406 if (addr->sa_family == AF_INET) {
2407 struct sockaddr_in *sin;
2409 sin = (struct sockaddr_in *)addr;
2410 if (sin->sin_addr.s_addr != INADDR_ANY) {
2412 SCTP_TCB_UNLOCK(stcb);
2413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2419 if (addr->sa_family == AF_INET6) {
2420 struct sockaddr_in6 *sin6;
2422 sin6 = (struct sockaddr_in6 *)addr;
2423 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2425 SCTP_TCB_UNLOCK(stcb);
2426 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2432 error = EAFNOSUPPORT;
2433 SCTP_TCB_UNLOCK(stcb);
2434 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2439 /* Applies to the specific association */
2440 paddrp->spp_flags = 0;
2442 paddrp->spp_hbinterval = net->heart_beat_delay;
2443 paddrp->spp_pathmaxrxt = net->failure_threshold;
2444 paddrp->spp_pathmtu = net->mtu;
2445 switch (net->ro._l_addr.sa.sa_family) {
2448 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2453 paddrp->spp_pathmtu -= SCTP_MIN_V4_OVERHEAD;
2459 /* get flags for HB */
2460 if (net->dest_state & SCTP_ADDR_NOHB) {
2461 paddrp->spp_flags |= SPP_HB_DISABLE;
2463 paddrp->spp_flags |= SPP_HB_ENABLE;
2465 /* get flags for PMTU */
2466 if (net->dest_state & SCTP_ADDR_NO_PMTUD) {
2467 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2469 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2471 if (net->dscp & 0x01) {
2472 paddrp->spp_dscp = net->dscp & 0xfc;
2473 paddrp->spp_flags |= SPP_DSCP;
2476 if ((net->ro._l_addr.sa.sa_family == AF_INET6) &&
2477 (net->flowlabel & 0x80000000)) {
2478 paddrp->spp_ipv6_flowlabel = net->flowlabel & 0x000fffff;
2479 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2484 * No destination so return default
2487 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2488 paddrp->spp_pathmtu = 0;
2489 if (stcb->asoc.default_dscp & 0x01) {
2490 paddrp->spp_dscp = stcb->asoc.default_dscp & 0xfc;
2491 paddrp->spp_flags |= SPP_DSCP;
2494 if (stcb->asoc.default_flowlabel & 0x80000000) {
2495 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel & 0x000fffff;
2496 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2499 /* default settings should be these */
2500 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2501 paddrp->spp_flags |= SPP_HB_DISABLE;
2503 paddrp->spp_flags |= SPP_HB_ENABLE;
2505 if (sctp_stcb_is_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2506 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2508 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2510 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2512 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2513 SCTP_TCB_UNLOCK(stcb);
2515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2517 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
2518 /* Use endpoint defaults */
2519 SCTP_INP_RLOCK(inp);
2520 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2521 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2522 paddrp->spp_assoc_id = SCTP_FUTURE_ASSOC;
2523 /* get inp's default */
2524 if (inp->sctp_ep.default_dscp & 0x01) {
2525 paddrp->spp_dscp = inp->sctp_ep.default_dscp & 0xfc;
2526 paddrp->spp_flags |= SPP_DSCP;
2529 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
2530 (inp->sctp_ep.default_flowlabel & 0x80000000)) {
2531 paddrp->spp_ipv6_flowlabel = inp->sctp_ep.default_flowlabel & 0x000fffff;
2532 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2535 /* can't return this */
2536 paddrp->spp_pathmtu = 0;
2538 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2539 paddrp->spp_flags |= SPP_HB_ENABLE;
2541 paddrp->spp_flags |= SPP_HB_DISABLE;
2543 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD)) {
2544 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2546 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2548 SCTP_INP_RUNLOCK(inp);
2550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2555 *optsize = sizeof(struct sctp_paddrparams);
2559 case SCTP_GET_PEER_ADDR_INFO:
2561 struct sctp_paddrinfo *paddri;
2562 struct sctp_nets *net;
2563 struct sockaddr *addr;
2565 #if defined(INET) && defined(INET6)
2566 struct sockaddr_in sin_store;
2570 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2571 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2573 #if defined(INET) && defined(INET6)
2574 if (paddri->spinfo_address.ss_family == AF_INET6) {
2575 struct sockaddr_in6 *sin6;
2577 sin6 = (struct sockaddr_in6 *)&paddri->spinfo_address;
2578 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
2579 in6_sin6_2_sin(&sin_store, sin6);
2580 addr = (struct sockaddr *)&sin_store;
2582 addr = (struct sockaddr *)&paddri->spinfo_address;
2585 addr = (struct sockaddr *)&paddri->spinfo_address;
2588 addr = (struct sockaddr *)&paddri->spinfo_address;
2591 net = sctp_findnet(stcb, addr);
2594 * We increment here since
2595 * sctp_findassociation_ep_addr() wil do a
2596 * decrement if it finds the stcb as long as
2597 * the locked tcb (last argument) is NOT a
2601 SCTP_INP_INCR_REF(inp);
2602 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
2604 SCTP_INP_DECR_REF(inp);
2608 if ((stcb != NULL) && (net != NULL)) {
2609 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2610 /* It's unconfirmed */
2611 paddri->spinfo_state = SCTP_UNCONFIRMED;
2612 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2614 paddri->spinfo_state = SCTP_ACTIVE;
2617 paddri->spinfo_state = SCTP_INACTIVE;
2619 paddri->spinfo_cwnd = net->cwnd;
2620 paddri->spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2621 paddri->spinfo_rto = net->RTO;
2622 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2623 paddri->spinfo_mtu = net->mtu;
2624 switch (addr->sa_family) {
2627 paddri->spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2632 paddri->spinfo_mtu -= SCTP_MIN_OVERHEAD;
2638 SCTP_TCB_UNLOCK(stcb);
2639 *optsize = sizeof(struct sctp_paddrinfo);
2642 SCTP_TCB_UNLOCK(stcb);
2644 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2649 case SCTP_PCB_STATUS:
2651 struct sctp_pcbinfo *spcb;
2653 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2654 sctp_fill_pcbinfo(spcb);
2655 *optsize = sizeof(struct sctp_pcbinfo);
2660 struct sctp_nets *net;
2661 struct sctp_status *sstat;
2663 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2664 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2672 * I think passing the state is fine since
2673 * sctp_constants.h will be available to the user
2676 sstat->sstat_state = stcb->asoc.state;
2677 sstat->sstat_assoc_id = sctp_get_associd(stcb);
2678 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2679 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2681 * We can't include chunks that have been passed to
2682 * the socket layer. Only things in queue.
2684 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2685 stcb->asoc.cnt_on_all_streams);
2688 sstat->sstat_instrms = stcb->asoc.streamincnt;
2689 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2690 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2691 memcpy(&sstat->sstat_primary.spinfo_address,
2692 &stcb->asoc.primary_destination->ro._l_addr,
2693 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2694 net = stcb->asoc.primary_destination;
2695 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2697 * Again the user can get info from sctp_constants.h
2698 * for what the state of the network is.
2700 if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {
2701 /* It's unconfirmed */
2702 sstat->sstat_primary.spinfo_state = SCTP_UNCONFIRMED;
2703 } else if (net->dest_state & SCTP_ADDR_REACHABLE) {
2705 sstat->sstat_primary.spinfo_state = SCTP_ACTIVE;
2708 sstat->sstat_primary.spinfo_state = SCTP_INACTIVE;
2710 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2711 sstat->sstat_primary.spinfo_srtt = net->lastsa >> SCTP_RTT_SHIFT;
2712 sstat->sstat_primary.spinfo_rto = net->RTO;
2713 sstat->sstat_primary.spinfo_mtu = net->mtu;
2714 switch (stcb->asoc.primary_destination->ro._l_addr.sa.sa_family) {
2717 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_V4_OVERHEAD;
2722 sstat->sstat_primary.spinfo_mtu -= SCTP_MIN_OVERHEAD;
2728 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2729 SCTP_TCB_UNLOCK(stcb);
2730 *optsize = sizeof(struct sctp_status);
2735 struct sctp_rtoinfo *srto;
2737 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2738 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2741 srto->srto_initial = stcb->asoc.initial_rto;
2742 srto->srto_max = stcb->asoc.maxrto;
2743 srto->srto_min = stcb->asoc.minrto;
2744 SCTP_TCB_UNLOCK(stcb);
2746 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2747 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2748 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
2749 SCTP_INP_RLOCK(inp);
2750 srto->srto_initial = inp->sctp_ep.initial_rto;
2751 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2752 srto->srto_min = inp->sctp_ep.sctp_minrto;
2753 SCTP_INP_RUNLOCK(inp);
2755 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2760 *optsize = sizeof(struct sctp_rtoinfo);
2766 struct sctp_timeouts *stimo;
2768 SCTP_CHECK_AND_CAST(stimo, optval, struct sctp_timeouts, *optsize);
2769 SCTP_FIND_STCB(inp, stcb, stimo->stimo_assoc_id);
2772 stimo->stimo_init = stcb->asoc.timoinit;
2773 stimo->stimo_data = stcb->asoc.timodata;
2774 stimo->stimo_sack = stcb->asoc.timosack;
2775 stimo->stimo_shutdown = stcb->asoc.timoshutdown;
2776 stimo->stimo_heartbeat = stcb->asoc.timoheartbeat;
2777 stimo->stimo_cookie = stcb->asoc.timocookie;
2778 stimo->stimo_shutdownack = stcb->asoc.timoshutdownack;
2779 SCTP_TCB_UNLOCK(stcb);
2780 *optsize = sizeof(struct sctp_timeouts);
2782 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2787 case SCTP_ASSOCINFO:
2789 struct sctp_assocparams *sasoc;
2791 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2792 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2795 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2796 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2797 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2798 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2799 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2800 SCTP_TCB_UNLOCK(stcb);
2802 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2803 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2804 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
2805 SCTP_INP_RLOCK(inp);
2806 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2807 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2808 sasoc->sasoc_number_peer_destinations = 0;
2809 sasoc->sasoc_peer_rwnd = 0;
2810 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2811 SCTP_INP_RUNLOCK(inp);
2813 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2818 *optsize = sizeof(struct sctp_assocparams);
2822 case SCTP_DEFAULT_SEND_PARAM:
2824 struct sctp_sndrcvinfo *s_info;
2826 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2827 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2830 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2831 SCTP_TCB_UNLOCK(stcb);
2833 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2834 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2835 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC)) {
2836 SCTP_INP_RLOCK(inp);
2837 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2838 SCTP_INP_RUNLOCK(inp);
2840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2845 *optsize = sizeof(struct sctp_sndrcvinfo);
2851 struct sctp_initmsg *sinit;
2853 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2854 SCTP_INP_RLOCK(inp);
2855 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2856 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2857 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2858 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2859 SCTP_INP_RUNLOCK(inp);
2860 *optsize = sizeof(struct sctp_initmsg);
2863 case SCTP_PRIMARY_ADDR:
2864 /* we allow a "get" operation on this */
2866 struct sctp_setprim *ssp;
2868 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2869 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2872 union sctp_sockstore *addr;
2874 addr = &stcb->asoc.primary_destination->ro._l_addr;
2875 switch (addr->sa.sa_family) {
2879 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)) {
2880 in6_sin_2_v4mapsin6(&addr->sin,
2881 (struct sockaddr_in6 *)&ssp->ssp_addr);
2883 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2886 memcpy(&ssp->ssp_addr, &addr->sin, sizeof(struct sockaddr_in));
2892 memcpy(&ssp->ssp_addr, &addr->sin6, sizeof(struct sockaddr_in6));
2898 SCTP_TCB_UNLOCK(stcb);
2899 *optsize = sizeof(struct sctp_setprim);
2901 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2906 case SCTP_HMAC_IDENT:
2908 struct sctp_hmacalgo *shmac;
2909 sctp_hmaclist_t *hmaclist;
2913 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2915 SCTP_INP_RLOCK(inp);
2916 hmaclist = inp->sctp_ep.local_hmacs;
2917 if (hmaclist == NULL) {
2918 /* no HMACs to return */
2919 *optsize = sizeof(*shmac);
2920 SCTP_INP_RUNLOCK(inp);
2923 /* is there room for all of the hmac ids? */
2924 size = sizeof(*shmac) + (hmaclist->num_algo *
2925 sizeof(shmac->shmac_idents[0]));
2926 if ((size_t)(*optsize) < size) {
2927 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2929 SCTP_INP_RUNLOCK(inp);
2932 /* copy in the list */
2933 shmac->shmac_number_of_idents = hmaclist->num_algo;
2934 for (i = 0; i < hmaclist->num_algo; i++) {
2935 shmac->shmac_idents[i] = hmaclist->hmac[i];
2937 SCTP_INP_RUNLOCK(inp);
2941 case SCTP_AUTH_ACTIVE_KEY:
2943 struct sctp_authkeyid *scact;
2945 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2946 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2949 /* get the active key on the assoc */
2950 scact->scact_keynumber = stcb->asoc.authinfo.active_keyid;
2951 SCTP_TCB_UNLOCK(stcb);
2953 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2954 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2955 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC)) {
2956 /* get the endpoint active key */
2957 SCTP_INP_RLOCK(inp);
2958 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2959 SCTP_INP_RUNLOCK(inp);
2961 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2966 *optsize = sizeof(struct sctp_authkeyid);
2970 case SCTP_LOCAL_AUTH_CHUNKS:
2972 struct sctp_authchunks *sac;
2973 sctp_auth_chklist_t *chklist = NULL;
2976 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2977 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2980 /* get off the assoc */
2981 chklist = stcb->asoc.local_auth_chunks;
2982 /* is there enough space? */
2983 size = sctp_auth_get_chklist_size(chklist);
2984 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2986 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2988 /* copy in the chunks */
2989 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2990 sac->gauth_number_of_chunks = (uint32_t) size;
2991 *optsize = sizeof(struct sctp_authchunks) + size;
2993 SCTP_TCB_UNLOCK(stcb);
2995 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2996 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
2997 (sac->gauth_assoc_id == SCTP_FUTURE_ASSOC)) {
2998 /* get off the endpoint */
2999 SCTP_INP_RLOCK(inp);
3000 chklist = inp->sctp_ep.local_auth_chunks;
3001 /* is there enough space? */
3002 size = sctp_auth_get_chklist_size(chklist);
3003 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3005 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3007 /* copy in the chunks */
3008 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3009 sac->gauth_number_of_chunks = (uint32_t) size;
3010 *optsize = sizeof(struct sctp_authchunks) + size;
3012 SCTP_INP_RUNLOCK(inp);
3014 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3020 case SCTP_PEER_AUTH_CHUNKS:
3022 struct sctp_authchunks *sac;
3023 sctp_auth_chklist_t *chklist = NULL;
3026 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
3027 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
3030 /* get off the assoc */
3031 chklist = stcb->asoc.peer_auth_chunks;
3032 /* is there enough space? */
3033 size = sctp_auth_get_chklist_size(chklist);
3034 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
3036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3038 /* copy in the chunks */
3039 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
3040 sac->gauth_number_of_chunks = (uint32_t) size;
3041 *optsize = sizeof(struct sctp_authchunks) + size;
3043 SCTP_TCB_UNLOCK(stcb);
3045 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3052 struct sctp_event *event;
3053 uint32_t event_type;
3055 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, *optsize);
3056 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
3058 switch (event->se_type) {
3059 case SCTP_ASSOC_CHANGE:
3060 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
3062 case SCTP_PEER_ADDR_CHANGE:
3063 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
3065 case SCTP_REMOTE_ERROR:
3066 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
3068 case SCTP_SEND_FAILED:
3069 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
3071 case SCTP_SHUTDOWN_EVENT:
3072 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
3074 case SCTP_ADAPTATION_INDICATION:
3075 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
3077 case SCTP_PARTIAL_DELIVERY_EVENT:
3078 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
3080 case SCTP_AUTHENTICATION_EVENT:
3081 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
3083 case SCTP_STREAM_RESET_EVENT:
3084 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
3086 case SCTP_SENDER_DRY_EVENT:
3087 event_type = SCTP_PCB_FLAGS_DRYEVNT;
3089 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
3091 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
3094 case SCTP_ASSOC_RESET_EVENT:
3095 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
3097 case SCTP_STREAM_CHANGE_EVENT:
3098 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
3100 case SCTP_SEND_FAILED_EVENT:
3101 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
3105 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3109 if (event_type > 0) {
3111 event->se_on = sctp_stcb_is_feature_on(inp, stcb, event_type);
3112 SCTP_TCB_UNLOCK(stcb);
3114 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3115 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3116 (event->se_assoc_id == SCTP_FUTURE_ASSOC)) {
3117 SCTP_INP_RLOCK(inp);
3118 event->se_on = sctp_is_feature_on(inp, event_type);
3119 SCTP_INP_RUNLOCK(inp);
3121 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3127 *optsize = sizeof(struct sctp_event);
3131 case SCTP_RECVRCVINFO:
3135 if (*optsize < sizeof(int)) {
3136 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3139 SCTP_INP_RLOCK(inp);
3140 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
3141 SCTP_INP_RUNLOCK(inp);
3144 /* return the option value */
3145 *(int *)optval = onoff;
3146 *optsize = sizeof(int);
3150 case SCTP_RECVNXTINFO:
3154 if (*optsize < sizeof(int)) {
3155 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3158 SCTP_INP_RLOCK(inp);
3159 onoff = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
3160 SCTP_INP_RUNLOCK(inp);
3163 /* return the option value */
3164 *(int *)optval = onoff;
3165 *optsize = sizeof(int);
3169 case SCTP_DEFAULT_SNDINFO:
3171 struct sctp_sndinfo *info;
3173 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, *optsize);
3174 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
3177 info->snd_sid = stcb->asoc.def_send.sinfo_stream;
3178 info->snd_flags = stcb->asoc.def_send.sinfo_flags;
3179 info->snd_flags &= 0xfff0;
3180 info->snd_ppid = stcb->asoc.def_send.sinfo_ppid;
3181 info->snd_context = stcb->asoc.def_send.sinfo_context;
3182 SCTP_TCB_UNLOCK(stcb);
3184 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3185 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3186 (info->snd_assoc_id == SCTP_FUTURE_ASSOC)) {
3187 SCTP_INP_RLOCK(inp);
3188 info->snd_sid = inp->def_send.sinfo_stream;
3189 info->snd_flags = inp->def_send.sinfo_flags;
3190 info->snd_flags &= 0xfff0;
3191 info->snd_ppid = inp->def_send.sinfo_ppid;
3192 info->snd_context = inp->def_send.sinfo_context;
3193 SCTP_INP_RUNLOCK(inp);
3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3200 *optsize = sizeof(struct sctp_sndinfo);
3204 case SCTP_DEFAULT_PRINFO:
3206 struct sctp_default_prinfo *info;
3208 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, *optsize);
3209 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
3212 info->pr_policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
3213 info->pr_value = stcb->asoc.def_send.sinfo_timetolive;
3214 SCTP_TCB_UNLOCK(stcb);
3216 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3217 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3218 (info->pr_assoc_id == SCTP_FUTURE_ASSOC)) {
3219 SCTP_INP_RLOCK(inp);
3220 info->pr_policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
3221 info->pr_value = inp->def_send.sinfo_timetolive;
3222 SCTP_INP_RUNLOCK(inp);
3224 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3229 *optsize = sizeof(struct sctp_default_prinfo);
3233 case SCTP_PEER_ADDR_THLDS:
3235 struct sctp_paddrthlds *thlds;
3236 struct sctp_nets *net;
3237 struct sockaddr *addr;
3239 #if defined(INET) && defined(INET6)
3240 struct sockaddr_in sin_store;
3244 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, *optsize);
3245 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
3247 #if defined(INET) && defined(INET6)
3248 if (thlds->spt_address.ss_family == AF_INET6) {
3249 struct sockaddr_in6 *sin6;
3251 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
3252 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3253 in6_sin6_2_sin(&sin_store, sin6);
3254 addr = (struct sockaddr *)&sin_store;
3256 addr = (struct sockaddr *)&thlds->spt_address;
3259 addr = (struct sockaddr *)&thlds->spt_address;
3262 addr = (struct sockaddr *)&thlds->spt_address;
3265 net = sctp_findnet(stcb, addr);
3268 * We increment here since
3269 * sctp_findassociation_ep_addr() wil do a
3270 * decrement if it finds the stcb as long as
3271 * the locked tcb (last argument) is NOT a
3275 SCTP_INP_INCR_REF(inp);
3276 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3278 SCTP_INP_DECR_REF(inp);
3281 if ((stcb != NULL) && (net == NULL)) {
3283 if (addr->sa_family == AF_INET) {
3284 struct sockaddr_in *sin;
3286 sin = (struct sockaddr_in *)addr;
3287 if (sin->sin_addr.s_addr != INADDR_ANY) {
3289 SCTP_TCB_UNLOCK(stcb);
3290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3296 if (addr->sa_family == AF_INET6) {
3297 struct sockaddr_in6 *sin6;
3299 sin6 = (struct sockaddr_in6 *)addr;
3300 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3302 SCTP_TCB_UNLOCK(stcb);
3303 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3309 error = EAFNOSUPPORT;
3310 SCTP_TCB_UNLOCK(stcb);
3311 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3317 thlds->spt_pathmaxrxt = net->failure_threshold;
3318 thlds->spt_pathpfthld = net->pf_threshold;
3320 thlds->spt_pathmaxrxt = stcb->asoc.def_net_failure;
3321 thlds->spt_pathpfthld = stcb->asoc.def_net_pf_threshold;
3323 thlds->spt_assoc_id = sctp_get_associd(stcb);
3324 SCTP_TCB_UNLOCK(stcb);
3326 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3327 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3328 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
3329 /* Use endpoint defaults */
3330 SCTP_INP_RLOCK(inp);
3331 thlds->spt_pathmaxrxt = inp->sctp_ep.def_net_failure;
3332 thlds->spt_pathpfthld = inp->sctp_ep.def_net_pf_threshold;
3333 SCTP_INP_RUNLOCK(inp);
3335 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3340 *optsize = sizeof(struct sctp_paddrthlds);
3344 case SCTP_REMOTE_UDP_ENCAPS_PORT:
3346 struct sctp_udpencaps *encaps;
3347 struct sctp_nets *net;
3348 struct sockaddr *addr;
3350 #if defined(INET) && defined(INET6)
3351 struct sockaddr_in sin_store;
3355 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, *optsize);
3356 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
3358 #if defined(INET) && defined(INET6)
3359 if (encaps->sue_address.ss_family == AF_INET6) {
3360 struct sockaddr_in6 *sin6;
3362 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
3363 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
3364 in6_sin6_2_sin(&sin_store, sin6);
3365 addr = (struct sockaddr *)&sin_store;
3367 addr = (struct sockaddr *)&encaps->sue_address;
3370 addr = (struct sockaddr *)&encaps->sue_address;
3373 addr = (struct sockaddr *)&encaps->sue_address;
3376 net = sctp_findnet(stcb, addr);
3379 * We increment here since
3380 * sctp_findassociation_ep_addr() wil do a
3381 * decrement if it finds the stcb as long as
3382 * the locked tcb (last argument) is NOT a
3386 SCTP_INP_INCR_REF(inp);
3387 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
3389 SCTP_INP_DECR_REF(inp);
3392 if ((stcb != NULL) && (net == NULL)) {
3394 if (addr->sa_family == AF_INET) {
3395 struct sockaddr_in *sin;
3397 sin = (struct sockaddr_in *)addr;
3398 if (sin->sin_addr.s_addr != INADDR_ANY) {
3400 SCTP_TCB_UNLOCK(stcb);
3401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3407 if (addr->sa_family == AF_INET6) {
3408 struct sockaddr_in6 *sin6;
3410 sin6 = (struct sockaddr_in6 *)addr;
3411 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3413 SCTP_TCB_UNLOCK(stcb);
3414 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3420 error = EAFNOSUPPORT;
3421 SCTP_TCB_UNLOCK(stcb);
3422 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3428 encaps->sue_port = net->port;
3430 encaps->sue_port = stcb->asoc.port;
3432 SCTP_TCB_UNLOCK(stcb);
3434 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3435 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3436 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
3437 SCTP_INP_RLOCK(inp);
3438 encaps->sue_port = inp->sctp_ep.port;
3439 SCTP_INP_RUNLOCK(inp);
3441 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3446 *optsize = sizeof(struct sctp_udpencaps);
3450 case SCTP_ECN_SUPPORTED:
3452 struct sctp_assoc_value *av;
3454 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3455 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3458 av->assoc_value = stcb->asoc.ecn_supported;
3459 SCTP_TCB_UNLOCK(stcb);
3461 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3462 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3463 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3464 SCTP_INP_RLOCK(inp);
3465 av->assoc_value = inp->ecn_supported;
3466 SCTP_INP_RUNLOCK(inp);
3468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3473 *optsize = sizeof(struct sctp_assoc_value);
3477 case SCTP_PR_SUPPORTED:
3479 struct sctp_assoc_value *av;
3481 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3482 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3485 av->assoc_value = stcb->asoc.prsctp_supported;
3486 SCTP_TCB_UNLOCK(stcb);
3488 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3489 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3490 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3491 SCTP_INP_RLOCK(inp);
3492 av->assoc_value = inp->prsctp_supported;
3493 SCTP_INP_RUNLOCK(inp);
3495 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3500 *optsize = sizeof(struct sctp_assoc_value);
3504 case SCTP_AUTH_SUPPORTED:
3506 struct sctp_assoc_value *av;
3508 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3509 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3512 av->assoc_value = stcb->asoc.auth_supported;
3513 SCTP_TCB_UNLOCK(stcb);
3515 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3516 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3517 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3518 SCTP_INP_RLOCK(inp);
3519 av->assoc_value = inp->auth_supported;
3520 SCTP_INP_RUNLOCK(inp);
3522 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3527 *optsize = sizeof(struct sctp_assoc_value);
3531 case SCTP_ASCONF_SUPPORTED:
3533 struct sctp_assoc_value *av;
3535 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3536 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3539 av->assoc_value = stcb->asoc.asconf_supported;
3540 SCTP_TCB_UNLOCK(stcb);
3542 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3543 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3544 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3545 SCTP_INP_RLOCK(inp);
3546 av->assoc_value = inp->asconf_supported;
3547 SCTP_INP_RUNLOCK(inp);
3549 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3554 *optsize = sizeof(struct sctp_assoc_value);
3558 case SCTP_RECONFIG_SUPPORTED:
3560 struct sctp_assoc_value *av;
3562 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3563 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3566 av->assoc_value = stcb->asoc.reconfig_supported;
3567 SCTP_TCB_UNLOCK(stcb);
3569 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3570 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3571 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3572 SCTP_INP_RLOCK(inp);
3573 av->assoc_value = inp->reconfig_supported;
3574 SCTP_INP_RUNLOCK(inp);
3576 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3581 *optsize = sizeof(struct sctp_assoc_value);
3585 case SCTP_NRSACK_SUPPORTED:
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 av->assoc_value = stcb->asoc.nrsack_supported;
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 SCTP_INP_RLOCK(inp);
3600 av->assoc_value = inp->nrsack_supported;
3601 SCTP_INP_RUNLOCK(inp);
3603 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3608 *optsize = sizeof(struct sctp_assoc_value);
3612 case SCTP_PKTDROP_SUPPORTED:
3614 struct sctp_assoc_value *av;
3616 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3617 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3620 av->assoc_value = stcb->asoc.pktdrop_supported;
3621 SCTP_TCB_UNLOCK(stcb);
3623 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3624 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3625 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3626 SCTP_INP_RLOCK(inp);
3627 av->assoc_value = inp->pktdrop_supported;
3628 SCTP_INP_RUNLOCK(inp);
3630 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3635 *optsize = sizeof(struct sctp_assoc_value);
3639 case SCTP_ENABLE_STREAM_RESET:
3641 struct sctp_assoc_value *av;
3643 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3644 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3647 av->assoc_value = (uint32_t) stcb->asoc.local_strreset_support;
3648 SCTP_TCB_UNLOCK(stcb);
3650 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3651 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3652 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3653 SCTP_INP_RLOCK(inp);
3654 av->assoc_value = (uint32_t) inp->local_strreset_support;
3655 SCTP_INP_RUNLOCK(inp);
3657 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3662 *optsize = sizeof(struct sctp_assoc_value);
3666 case SCTP_PR_STREAM_STATUS:
3668 struct sctp_prstatus *sprstat;
3672 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3673 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3675 sid = sprstat->sprstat_sid;
3676 policy = sprstat->sprstat_policy;
3677 #if defined(SCTP_DETAILED_STR_STATS)
3678 if ((stcb != NULL) &&
3679 (sid < stcb->asoc.streamoutcnt) &&
3680 (policy != SCTP_PR_SCTP_NONE) &&
3681 ((policy <= SCTP_PR_SCTP_MAX) ||
3682 (policy == SCTP_PR_SCTP_ALL))) {
3683 if (policy == SCTP_PR_SCTP_ALL) {
3684 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3685 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3687 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[policy];
3688 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[policy];
3691 if ((stcb != NULL) &&
3692 (sid < stcb->asoc.streamoutcnt) &&
3693 (policy == SCTP_PR_SCTP_ALL)) {
3694 sprstat->sprstat_abandoned_unsent = stcb->asoc.strmout[sid].abandoned_unsent[0];
3695 sprstat->sprstat_abandoned_sent = stcb->asoc.strmout[sid].abandoned_sent[0];
3697 SCTP_TCB_UNLOCK(stcb);
3698 *optsize = sizeof(struct sctp_prstatus);
3700 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3705 case SCTP_PR_ASSOC_STATUS:
3707 struct sctp_prstatus *sprstat;
3710 SCTP_CHECK_AND_CAST(sprstat, optval, struct sctp_prstatus, *optsize);
3711 SCTP_FIND_STCB(inp, stcb, sprstat->sprstat_assoc_id);
3713 policy = sprstat->sprstat_policy;
3714 if ((stcb != NULL) &&
3715 (policy != SCTP_PR_SCTP_NONE) &&
3716 ((policy <= SCTP_PR_SCTP_MAX) ||
3717 (policy == SCTP_PR_SCTP_ALL))) {
3718 if (policy == SCTP_PR_SCTP_ALL) {
3719 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[0];
3720 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[0];
3722 sprstat->sprstat_abandoned_unsent = stcb->asoc.abandoned_unsent[policy];
3723 sprstat->sprstat_abandoned_sent = stcb->asoc.abandoned_sent[policy];
3725 SCTP_TCB_UNLOCK(stcb);
3726 *optsize = sizeof(struct sctp_prstatus);
3728 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3735 struct sctp_assoc_value *av;
3737 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
3738 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3741 av->assoc_value = stcb->asoc.max_cwnd;
3742 SCTP_TCB_UNLOCK(stcb);
3744 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3745 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3746 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
3747 SCTP_INP_RLOCK(inp);
3748 av->assoc_value = inp->max_cwnd;
3749 SCTP_INP_RUNLOCK(inp);
3751 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3756 *optsize = sizeof(struct sctp_assoc_value);
3761 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3762 error = ENOPROTOOPT;
3764 } /* end switch (sopt->sopt_name) */
3772 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
3777 struct sctp_tcb *stcb = NULL;
3778 struct sctp_inpcb *inp = NULL;
3781 if (optval == NULL) {
3782 SCTP_PRINTF("optval is NULL\n");
3783 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3786 inp = (struct sctp_inpcb *)so->so_pcb;
3788 SCTP_PRINTF("inp is NULL?\n");
3789 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3792 vrf_id = inp->def_vrf_id;
3797 case SCTP_AUTOCLOSE:
3798 case SCTP_AUTO_ASCONF:
3799 case SCTP_EXPLICIT_EOR:
3800 case SCTP_DISABLE_FRAGMENTS:
3801 case SCTP_USE_EXT_RCVINFO:
3802 case SCTP_I_WANT_MAPPED_V4_ADDR:
3803 /* copy in the option value */
3804 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3809 case SCTP_DISABLE_FRAGMENTS:
3810 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
3812 case SCTP_AUTO_ASCONF:
3814 * NOTE: we don't really support this flag
3816 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
3817 /* only valid for bound all sockets */
3818 if ((SCTP_BASE_SYSCTL(sctp_auto_asconf) == 0) &&
3820 /* forbidden by admin */
3821 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
3824 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
3826 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3830 case SCTP_EXPLICIT_EOR:
3831 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
3833 case SCTP_USE_EXT_RCVINFO:
3834 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
3836 case SCTP_I_WANT_MAPPED_V4_ADDR:
3837 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3838 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
3840 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3845 set_opt = SCTP_PCB_FLAGS_NODELAY;
3847 case SCTP_AUTOCLOSE:
3848 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3849 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
3850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3853 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
3855 * The value is in ticks. Note this does not effect
3856 * old associations, only new ones.
3858 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
3861 SCTP_INP_WLOCK(inp);
3863 sctp_feature_on(inp, set_opt);
3865 sctp_feature_off(inp, set_opt);
3867 SCTP_INP_WUNLOCK(inp);
3869 case SCTP_REUSE_PORT:
3871 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
3872 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) == 0) {
3873 /* Can't set it after we are bound */
3877 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE)) {
3878 /* Can't do this for a 1-m socket */
3883 sctp_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE);
3885 sctp_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE);
3888 case SCTP_PARTIAL_DELIVERY_POINT:
3892 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
3893 if (*value > SCTP_SB_LIMIT_RCV(so)) {
3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3898 inp->partial_delivery_point = *value;
3901 case SCTP_FRAGMENT_INTERLEAVE:
3902 /* not yet until we re-write sctp_recvmsg() */
3906 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
3907 if (*level == SCTP_FRAG_LEVEL_2) {
3908 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3909 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3910 } else if (*level == SCTP_FRAG_LEVEL_1) {
3911 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3912 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3913 } else if (*level == SCTP_FRAG_LEVEL_0) {
3914 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
3915 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
3918 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3923 case SCTP_CMT_ON_OFF:
3924 if (SCTP_BASE_SYSCTL(sctp_cmt_on_off)) {
3925 struct sctp_assoc_value *av;
3927 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3928 if (av->assoc_value > SCTP_CMT_MAX) {
3929 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3933 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3935 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3936 SCTP_TCB_UNLOCK(stcb);
3938 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3939 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3940 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3941 (av->assoc_id == SCTP_ALL_ASSOC)) {
3942 SCTP_INP_WLOCK(inp);
3943 inp->sctp_cmt_on_off = av->assoc_value;
3944 SCTP_INP_WUNLOCK(inp);
3946 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3947 (av->assoc_id == SCTP_ALL_ASSOC)) {
3948 SCTP_INP_RLOCK(inp);
3949 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3950 SCTP_TCB_LOCK(stcb);
3951 stcb->asoc.sctp_cmt_on_off = av->assoc_value;
3952 SCTP_TCB_UNLOCK(stcb);
3954 SCTP_INP_RUNLOCK(inp);
3958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3959 error = ENOPROTOOPT;
3962 case SCTP_PLUGGABLE_CC:
3964 struct sctp_assoc_value *av;
3965 struct sctp_nets *net;
3967 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3968 if ((av->assoc_value != SCTP_CC_RFC2581) &&
3969 (av->assoc_value != SCTP_CC_HSTCP) &&
3970 (av->assoc_value != SCTP_CC_HTCP) &&
3971 (av->assoc_value != SCTP_CC_RTCC)) {
3972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3976 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3978 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
3979 stcb->asoc.congestion_control_module = av->assoc_value;
3980 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
3981 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3982 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
3985 SCTP_TCB_UNLOCK(stcb);
3987 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
3988 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
3989 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
3990 (av->assoc_id == SCTP_ALL_ASSOC)) {
3991 SCTP_INP_WLOCK(inp);
3992 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
3993 SCTP_INP_WUNLOCK(inp);
3995 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
3996 (av->assoc_id == SCTP_ALL_ASSOC)) {
3997 SCTP_INP_RLOCK(inp);
3998 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
3999 SCTP_TCB_LOCK(stcb);
4000 stcb->asoc.cc_functions = sctp_cc_functions[av->assoc_value];
4001 stcb->asoc.congestion_control_module = av->assoc_value;
4002 if (stcb->asoc.cc_functions.sctp_set_initial_cc_param != NULL) {
4003 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4004 stcb->asoc.cc_functions.sctp_set_initial_cc_param(stcb, net);
4007 SCTP_TCB_UNLOCK(stcb);
4009 SCTP_INP_RUNLOCK(inp);
4014 case SCTP_CC_OPTION:
4016 struct sctp_cc_option *cc_opt;
4018 SCTP_CHECK_AND_CAST(cc_opt, optval, struct sctp_cc_option, optsize);
4019 SCTP_FIND_STCB(inp, stcb, cc_opt->aid_value.assoc_id);
4021 if (cc_opt->aid_value.assoc_id == SCTP_CURRENT_ASSOC) {
4022 SCTP_INP_RLOCK(inp);
4023 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4024 SCTP_TCB_LOCK(stcb);
4025 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option) {
4026 (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1, cc_opt);
4028 SCTP_TCB_UNLOCK(stcb);
4030 SCTP_INP_RUNLOCK(inp);
4035 if (stcb->asoc.cc_functions.sctp_cwnd_socket_option == NULL) {
4038 error = (*stcb->asoc.cc_functions.sctp_cwnd_socket_option) (stcb, 1,
4041 SCTP_TCB_UNLOCK(stcb);
4045 case SCTP_PLUGGABLE_SS:
4047 struct sctp_assoc_value *av;
4049 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4050 if ((av->assoc_value != SCTP_SS_DEFAULT) &&
4051 (av->assoc_value != SCTP_SS_ROUND_ROBIN) &&
4052 (av->assoc_value != SCTP_SS_ROUND_ROBIN_PACKET) &&
4053 (av->assoc_value != SCTP_SS_PRIORITY) &&
4054 (av->assoc_value != SCTP_SS_FAIR_BANDWITH) &&
4055 (av->assoc_value != SCTP_SS_FIRST_COME)) {
4056 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4060 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4062 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4063 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4064 stcb->asoc.stream_scheduling_module = av->assoc_value;
4065 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4066 SCTP_TCB_UNLOCK(stcb);
4068 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4069 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4070 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4071 (av->assoc_id == SCTP_ALL_ASSOC)) {
4072 SCTP_INP_WLOCK(inp);
4073 inp->sctp_ep.sctp_default_ss_module = av->assoc_value;
4074 SCTP_INP_WUNLOCK(inp);
4076 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4077 (av->assoc_id == SCTP_ALL_ASSOC)) {
4078 SCTP_INP_RLOCK(inp);
4079 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4080 SCTP_TCB_LOCK(stcb);
4081 stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
4082 stcb->asoc.ss_functions = sctp_ss_functions[av->assoc_value];
4083 stcb->asoc.stream_scheduling_module = av->assoc_value;
4084 stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
4085 SCTP_TCB_UNLOCK(stcb);
4087 SCTP_INP_RUNLOCK(inp);
4094 struct sctp_stream_value *av;
4096 SCTP_CHECK_AND_CAST(av, optval, struct sctp_stream_value, optsize);
4097 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4099 if ((av->stream_id >= stcb->asoc.streamoutcnt) ||
4100 (stcb->asoc.ss_functions.sctp_ss_set_value(stcb, &stcb->asoc, &stcb->asoc.strmout[av->stream_id],
4101 av->stream_value) < 0)) {
4102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4105 SCTP_TCB_UNLOCK(stcb);
4107 if (av->assoc_id == SCTP_CURRENT_ASSOC) {
4108 SCTP_INP_RLOCK(inp);
4109 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4110 SCTP_TCB_LOCK(stcb);
4111 if (av->stream_id < stcb->asoc.streamoutcnt) {
4112 stcb->asoc.ss_functions.sctp_ss_set_value(stcb,
4114 &stcb->asoc.strmout[av->stream_id],
4117 SCTP_TCB_UNLOCK(stcb);
4119 SCTP_INP_RUNLOCK(inp);
4122 * Can't set stream value without
4125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4131 case SCTP_CLR_STAT_LOG:
4132 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4137 struct sctp_assoc_value *av;
4139 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4140 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4143 stcb->asoc.context = av->assoc_value;
4144 SCTP_TCB_UNLOCK(stcb);
4146 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4147 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4148 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4149 (av->assoc_id == SCTP_ALL_ASSOC)) {
4150 SCTP_INP_WLOCK(inp);
4151 inp->sctp_context = av->assoc_value;
4152 SCTP_INP_WUNLOCK(inp);
4154 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4155 (av->assoc_id == SCTP_ALL_ASSOC)) {
4156 SCTP_INP_RLOCK(inp);
4157 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4158 SCTP_TCB_LOCK(stcb);
4159 stcb->asoc.context = av->assoc_value;
4160 SCTP_TCB_UNLOCK(stcb);
4162 SCTP_INP_RUNLOCK(inp);
4169 uint32_t *default_vrfid;
4171 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
4172 if (*default_vrfid > SCTP_MAX_VRF_ID) {
4173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4177 inp->def_vrf_id = *default_vrfid;
4180 case SCTP_DEL_VRF_ID:
4182 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4186 case SCTP_ADD_VRF_ID:
4188 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4192 case SCTP_DELAYED_SACK:
4194 struct sctp_sack_info *sack;
4196 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
4197 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
4198 if (sack->sack_delay) {
4199 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
4200 sack->sack_delay = SCTP_MAX_SACK_DELAY;
4201 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
4202 sack->sack_delay = TICKS_TO_MSEC(1);
4206 if (sack->sack_delay) {
4207 stcb->asoc.delayed_ack = sack->sack_delay;
4209 if (sack->sack_freq) {
4210 stcb->asoc.sack_freq = sack->sack_freq;
4212 SCTP_TCB_UNLOCK(stcb);
4214 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4215 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4216 (sack->sack_assoc_id == SCTP_FUTURE_ASSOC) ||
4217 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4218 SCTP_INP_WLOCK(inp);
4219 if (sack->sack_delay) {
4220 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
4222 if (sack->sack_freq) {
4223 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
4225 SCTP_INP_WUNLOCK(inp);
4227 if ((sack->sack_assoc_id == SCTP_CURRENT_ASSOC) ||
4228 (sack->sack_assoc_id == SCTP_ALL_ASSOC)) {
4229 SCTP_INP_RLOCK(inp);
4230 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4231 SCTP_TCB_LOCK(stcb);
4232 if (sack->sack_delay) {
4233 stcb->asoc.delayed_ack = sack->sack_delay;
4235 if (sack->sack_freq) {
4236 stcb->asoc.sack_freq = sack->sack_freq;
4238 SCTP_TCB_UNLOCK(stcb);
4240 SCTP_INP_RUNLOCK(inp);
4245 case SCTP_AUTH_CHUNK:
4247 struct sctp_authchunk *sauth;
4249 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
4251 SCTP_INP_WLOCK(inp);
4252 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
4253 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4256 SCTP_INP_WUNLOCK(inp);
4261 struct sctp_authkey *sca;
4262 struct sctp_keyhead *shared_keys;
4263 sctp_sharedkey_t *shared_key;
4264 sctp_key_t *key = NULL;
4267 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
4268 if (sca->sca_keylength == 0) {
4269 size = optsize - sizeof(struct sctp_authkey);
4271 if (sca->sca_keylength + sizeof(struct sctp_authkey) <= optsize) {
4272 size = sca->sca_keylength;
4274 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4279 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
4282 shared_keys = &stcb->asoc.shared_keys;
4283 /* clear the cached keys for this key id */
4284 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4286 * create the new shared key and
4290 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4292 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4294 SCTP_TCB_UNLOCK(stcb);
4298 shared_key = sctp_alloc_sharedkey();
4299 if (shared_key == NULL) {
4301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4303 SCTP_TCB_UNLOCK(stcb);
4306 shared_key->key = key;
4307 shared_key->keyid = sca->sca_keynumber;
4308 error = sctp_insert_sharedkey(shared_keys, shared_key);
4309 SCTP_TCB_UNLOCK(stcb);
4311 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4312 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4313 (sca->sca_assoc_id == SCTP_FUTURE_ASSOC) ||
4314 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4315 SCTP_INP_WLOCK(inp);
4316 shared_keys = &inp->sctp_ep.shared_keys;
4318 * clear the cached keys on all
4319 * assocs for this key id
4321 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
4323 * create the new shared key and
4327 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4329 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4331 SCTP_INP_WUNLOCK(inp);
4335 shared_key = sctp_alloc_sharedkey();
4336 if (shared_key == NULL) {
4338 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4340 SCTP_INP_WUNLOCK(inp);
4343 shared_key->key = key;
4344 shared_key->keyid = sca->sca_keynumber;
4345 error = sctp_insert_sharedkey(shared_keys, shared_key);
4346 SCTP_INP_WUNLOCK(inp);
4348 if ((sca->sca_assoc_id == SCTP_CURRENT_ASSOC) ||
4349 (sca->sca_assoc_id == SCTP_ALL_ASSOC)) {
4350 SCTP_INP_RLOCK(inp);
4351 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4352 SCTP_TCB_LOCK(stcb);
4353 shared_keys = &stcb->asoc.shared_keys;
4355 * clear the cached keys for
4358 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
4360 * create the new shared key
4361 * and insert/replace it
4364 key = sctp_set_key(sca->sca_key, (uint32_t) size);
4366 SCTP_TCB_UNLOCK(stcb);
4370 shared_key = sctp_alloc_sharedkey();
4371 if (shared_key == NULL) {
4373 SCTP_TCB_UNLOCK(stcb);
4376 shared_key->key = key;
4377 shared_key->keyid = sca->sca_keynumber;
4378 error = sctp_insert_sharedkey(shared_keys, shared_key);
4379 SCTP_TCB_UNLOCK(stcb);
4381 SCTP_INP_RUNLOCK(inp);
4386 case SCTP_HMAC_IDENT:
4388 struct sctp_hmacalgo *shmac;
4389 sctp_hmaclist_t *hmaclist;
4393 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
4394 if ((optsize < sizeof(struct sctp_hmacalgo) + shmac->shmac_number_of_idents * sizeof(uint16_t)) ||
4395 (shmac->shmac_number_of_idents > 0xffff)) {
4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4400 hmaclist = sctp_alloc_hmaclist((uint16_t) shmac->shmac_number_of_idents);
4401 if (hmaclist == NULL) {
4402 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4406 for (i = 0; i < shmac->shmac_number_of_idents; i++) {
4407 hmacid = shmac->shmac_idents[i];
4408 if (sctp_auth_add_hmacid(hmaclist, hmacid)) {
4409 /* invalid HMACs were found */ ;
4410 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4412 sctp_free_hmaclist(hmaclist);
4413 goto sctp_set_hmac_done;
4416 for (i = 0; i < hmaclist->num_algo; i++) {
4417 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
4418 /* already in list */
4422 if (i == hmaclist->num_algo) {
4423 /* not found in list */
4424 sctp_free_hmaclist(hmaclist);
4425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4429 /* set it on the endpoint */
4430 SCTP_INP_WLOCK(inp);
4431 if (inp->sctp_ep.local_hmacs)
4432 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
4433 inp->sctp_ep.local_hmacs = hmaclist;
4434 SCTP_INP_WUNLOCK(inp);
4438 case SCTP_AUTH_ACTIVE_KEY:
4440 struct sctp_authkeyid *scact;
4442 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
4443 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
4445 /* set the active key on the right place */
4447 /* set the active key on the assoc */
4448 if (sctp_auth_setactivekey(stcb,
4449 scact->scact_keynumber)) {
4450 SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
4451 SCTP_FROM_SCTP_USRREQ,
4455 SCTP_TCB_UNLOCK(stcb);
4457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4459 (scact->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4460 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4461 SCTP_INP_WLOCK(inp);
4462 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
4463 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4466 SCTP_INP_WUNLOCK(inp);
4468 if ((scact->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4469 (scact->scact_assoc_id == SCTP_ALL_ASSOC)) {
4470 SCTP_INP_RLOCK(inp);
4471 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4472 SCTP_TCB_LOCK(stcb);
4473 sctp_auth_setactivekey(stcb, scact->scact_keynumber);
4474 SCTP_TCB_UNLOCK(stcb);
4476 SCTP_INP_RUNLOCK(inp);
4481 case SCTP_AUTH_DELETE_KEY:
4483 struct sctp_authkeyid *scdel;
4485 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
4486 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
4488 /* delete the key from the right place */
4490 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
4491 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4494 SCTP_TCB_UNLOCK(stcb);
4496 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4497 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4498 (scdel->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4499 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4500 SCTP_INP_WLOCK(inp);
4501 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
4502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4505 SCTP_INP_WUNLOCK(inp);
4507 if ((scdel->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4508 (scdel->scact_assoc_id == SCTP_ALL_ASSOC)) {
4509 SCTP_INP_RLOCK(inp);
4510 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4511 SCTP_TCB_LOCK(stcb);
4512 sctp_delete_sharedkey(stcb, scdel->scact_keynumber);
4513 SCTP_TCB_UNLOCK(stcb);
4515 SCTP_INP_RUNLOCK(inp);
4520 case SCTP_AUTH_DEACTIVATE_KEY:
4522 struct sctp_authkeyid *keyid;
4524 SCTP_CHECK_AND_CAST(keyid, optval, struct sctp_authkeyid, optsize);
4525 SCTP_FIND_STCB(inp, stcb, keyid->scact_assoc_id);
4527 /* deactivate the key from the right place */
4529 if (sctp_deact_sharedkey(stcb, keyid->scact_keynumber)) {
4530 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4533 SCTP_TCB_UNLOCK(stcb);
4535 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4536 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4537 (keyid->scact_assoc_id == SCTP_FUTURE_ASSOC) ||
4538 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4539 SCTP_INP_WLOCK(inp);
4540 if (sctp_deact_sharedkey_ep(inp, keyid->scact_keynumber)) {
4541 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4544 SCTP_INP_WUNLOCK(inp);
4546 if ((keyid->scact_assoc_id == SCTP_CURRENT_ASSOC) ||
4547 (keyid->scact_assoc_id == SCTP_ALL_ASSOC)) {
4548 SCTP_INP_RLOCK(inp);
4549 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4550 SCTP_TCB_LOCK(stcb);
4551 sctp_deact_sharedkey(stcb, keyid->scact_keynumber);
4552 SCTP_TCB_UNLOCK(stcb);
4554 SCTP_INP_RUNLOCK(inp);
4559 case SCTP_ENABLE_STREAM_RESET:
4561 struct sctp_assoc_value *av;
4563 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4564 if (av->assoc_value & (~SCTP_ENABLE_VALUE_MASK)) {
4565 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4569 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4571 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4572 SCTP_TCB_UNLOCK(stcb);
4574 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4575 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4576 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4577 (av->assoc_id == SCTP_ALL_ASSOC)) {
4578 SCTP_INP_WLOCK(inp);
4579 inp->local_strreset_support = (uint8_t) av->assoc_value;
4580 SCTP_INP_WUNLOCK(inp);
4582 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4583 (av->assoc_id == SCTP_ALL_ASSOC)) {
4584 SCTP_INP_RLOCK(inp);
4585 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4586 SCTP_TCB_LOCK(stcb);
4587 stcb->asoc.local_strreset_support = (uint8_t) av->assoc_value;
4588 SCTP_TCB_UNLOCK(stcb);
4590 SCTP_INP_RUNLOCK(inp);
4595 case SCTP_RESET_STREAMS:
4597 struct sctp_reset_streams *strrst;
4598 int i, send_out = 0;
4601 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
4602 SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
4604 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4608 if (stcb->asoc.reconfig_supported == 0) {
4610 * Peer does not support the chunk type.
4612 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4614 SCTP_TCB_UNLOCK(stcb);
4617 if (sizeof(struct sctp_reset_streams) +
4618 strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
4620 SCTP_TCB_UNLOCK(stcb);
4623 if (strrst->srs_flags & SCTP_STREAM_RESET_INCOMING) {
4625 if (stcb->asoc.stream_reset_outstanding) {
4626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4628 SCTP_TCB_UNLOCK(stcb);
4632 if (strrst->srs_flags & SCTP_STREAM_RESET_OUTGOING) {
4635 if ((strrst->srs_number_streams > SCTP_MAX_STREAMS_AT_ONCE_RESET) && send_in) {
4636 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
4638 SCTP_TCB_UNLOCK(stcb);
4641 if ((send_in == 0) && (send_out == 0)) {
4642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4644 SCTP_TCB_UNLOCK(stcb);
4647 for (i = 0; i < strrst->srs_number_streams; i++) {
4649 (strrst->srs_stream_list[i] > stcb->asoc.streamincnt)) {
4650 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4655 (strrst->srs_stream_list[i] > stcb->asoc.streamoutcnt)) {
4656 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4662 SCTP_TCB_UNLOCK(stcb);
4669 if (strrst->srs_number_streams) {
4670 for (i = 0, cnt = 0; i < strrst->srs_number_streams; i++) {
4671 strm = strrst->srs_stream_list[i];
4672 if (stcb->asoc.strmout[strm].state == SCTP_STREAM_OPEN) {
4673 stcb->asoc.strmout[strm].state = SCTP_STREAM_RESET_PENDING;
4679 for (i = 0, cnt = 0; i < stcb->asoc.streamoutcnt; i++) {
4680 if (stcb->asoc.strmout[i].state == SCTP_STREAM_OPEN) {
4681 stcb->asoc.strmout[i].state = SCTP_STREAM_RESET_PENDING;
4688 error = sctp_send_str_reset_req(stcb, strrst->srs_number_streams,
4689 strrst->srs_stream_list,
4690 send_in, 0, 0, 0, 0, 0);
4692 error = sctp_send_stream_reset_out_if_possible(stcb, SCTP_SO_LOCKED);
4694 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4696 SCTP_TCB_UNLOCK(stcb);
4699 case SCTP_ADD_STREAMS:
4701 struct sctp_add_streams *stradd;
4702 uint8_t addstream = 0;
4703 uint16_t add_o_strmcnt = 0;
4704 uint16_t add_i_strmcnt = 0;
4706 SCTP_CHECK_AND_CAST(stradd, optval, struct sctp_add_streams, optsize);
4707 SCTP_FIND_STCB(inp, stcb, stradd->sas_assoc_id);
4709 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4713 if (stcb->asoc.reconfig_supported == 0) {
4715 * Peer does not support the chunk type.
4717 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4719 SCTP_TCB_UNLOCK(stcb);
4722 if (stcb->asoc.stream_reset_outstanding) {
4723 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4725 SCTP_TCB_UNLOCK(stcb);
4728 if ((stradd->sas_outstrms == 0) &&
4729 (stradd->sas_instrms == 0)) {
4733 if (stradd->sas_outstrms) {
4735 /* We allocate here */
4736 add_o_strmcnt = stradd->sas_outstrms;
4737 if ((((int)add_o_strmcnt) + ((int)stcb->asoc.streamoutcnt)) > 0x0000ffff) {
4738 /* You can't have more than 64k */
4743 if (stradd->sas_instrms) {
4748 * We allocate inside
4749 * sctp_send_str_reset_req()
4751 add_i_strmcnt = stradd->sas_instrms;
4752 cnt = add_i_strmcnt;
4753 cnt += stcb->asoc.streamincnt;
4754 if (cnt > 0x0000ffff) {
4755 /* You can't have more than 64k */
4759 if (cnt > (int)stcb->asoc.max_inbound_streams) {
4760 /* More than you are allowed */
4765 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 0, addstream, add_o_strmcnt, add_i_strmcnt, 0);
4766 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4768 SCTP_TCB_UNLOCK(stcb);
4771 case SCTP_RESET_ASSOC:
4776 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
4777 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
4779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4783 if (stcb->asoc.reconfig_supported == 0) {
4785 * Peer does not support the chunk type.
4787 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4789 SCTP_TCB_UNLOCK(stcb);
4792 if (stcb->asoc.stream_reset_outstanding) {
4793 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4795 SCTP_TCB_UNLOCK(stcb);
4799 * Is there any data pending in the send or sent
4802 if (!TAILQ_EMPTY(&stcb->asoc.send_queue) ||
4803 !TAILQ_EMPTY(&stcb->asoc.sent_queue)) {
4806 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
4807 SCTP_TCB_UNLOCK(stcb);
4810 /* Do any streams have data queued? */
4811 for (i = 0; i < stcb->asoc.streamoutcnt; i++) {
4812 if (!TAILQ_EMPTY(&stcb->asoc.strmout[i].outqueue)) {
4816 error = sctp_send_str_reset_req(stcb, 0, NULL, 0, 1, 0, 0, 0, 0);
4817 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
4818 SCTP_TCB_UNLOCK(stcb);
4821 case SCTP_CONNECT_X:
4822 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4823 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4827 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
4829 case SCTP_CONNECT_X_DELAYED:
4830 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
4831 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4835 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
4837 case SCTP_CONNECT_X_COMPLETE:
4839 struct sockaddr *sa;
4841 /* FIXME MT: check correct? */
4842 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
4845 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4846 SCTP_INP_RLOCK(inp);
4847 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4849 SCTP_TCB_LOCK(stcb);
4851 SCTP_INP_RUNLOCK(inp);
4854 * We increment here since
4855 * sctp_findassociation_ep_addr() wil do a
4856 * decrement if it finds the stcb as long as
4857 * the locked tcb (last argument) is NOT a
4860 SCTP_INP_INCR_REF(inp);
4861 stcb = sctp_findassociation_ep_addr(&inp, sa, NULL, NULL, NULL);
4863 SCTP_INP_DECR_REF(inp);
4868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4872 if (stcb->asoc.delayed_connection == 1) {
4873 stcb->asoc.delayed_connection = 0;
4874 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4875 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
4876 stcb->asoc.primary_destination,
4877 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_8);
4878 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4881 * already expired or did not use delayed
4884 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4887 SCTP_TCB_UNLOCK(stcb);
4890 case SCTP_MAX_BURST:
4892 struct sctp_assoc_value *av;
4894 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4895 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4898 stcb->asoc.max_burst = av->assoc_value;
4899 SCTP_TCB_UNLOCK(stcb);
4901 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4902 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4903 (av->assoc_id == SCTP_FUTURE_ASSOC) ||
4904 (av->assoc_id == SCTP_ALL_ASSOC)) {
4905 SCTP_INP_WLOCK(inp);
4906 inp->sctp_ep.max_burst = av->assoc_value;
4907 SCTP_INP_WUNLOCK(inp);
4909 if ((av->assoc_id == SCTP_CURRENT_ASSOC) ||
4910 (av->assoc_id == SCTP_ALL_ASSOC)) {
4911 SCTP_INP_RLOCK(inp);
4912 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
4913 SCTP_TCB_LOCK(stcb);
4914 stcb->asoc.max_burst = av->assoc_value;
4915 SCTP_TCB_UNLOCK(stcb);
4917 SCTP_INP_RUNLOCK(inp);
4924 struct sctp_assoc_value *av;
4927 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
4928 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
4930 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
4931 ovh = SCTP_MED_OVERHEAD;
4933 ovh = SCTP_MED_V4_OVERHEAD;
4936 if (av->assoc_value) {
4937 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
4939 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4941 SCTP_TCB_UNLOCK(stcb);
4943 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
4944 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
4945 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
4946 SCTP_INP_WLOCK(inp);
4948 * FIXME MT: I think this is not in
4949 * tune with the API ID
4951 if (av->assoc_value) {
4952 inp->sctp_frag_point = (av->assoc_value + ovh);
4954 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
4956 SCTP_INP_WUNLOCK(inp);
4958 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4966 struct sctp_event_subscribe *events;
4968 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
4970 SCTP_INP_WLOCK(inp);
4971 if (events->sctp_data_io_event) {
4972 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4974 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
4977 if (events->sctp_association_event) {
4978 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4980 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
4983 if (events->sctp_address_event) {
4984 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4986 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
4989 if (events->sctp_send_failure_event) {
4990 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4992 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
4995 if (events->sctp_peer_error_event) {
4996 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
4998 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
5001 if (events->sctp_shutdown_event) {
5002 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5004 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5007 if (events->sctp_partial_delivery_event) {
5008 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5010 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
5013 if (events->sctp_adaptation_layer_event) {
5014 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5016 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5019 if (events->sctp_authentication_event) {
5020 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5022 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
5025 if (events->sctp_sender_dry_event) {
5026 sctp_feature_on(inp, SCTP_PCB_FLAGS_DRYEVNT);
5028 sctp_feature_off(inp, SCTP_PCB_FLAGS_DRYEVNT);
5031 if (events->sctp_stream_reset_event) {
5032 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5034 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5036 SCTP_INP_WUNLOCK(inp);
5038 SCTP_INP_RLOCK(inp);
5039 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5040 SCTP_TCB_LOCK(stcb);
5041 if (events->sctp_association_event) {
5042 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5044 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVASSOCEVNT);
5046 if (events->sctp_address_event) {
5047 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5049 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPADDREVNT);
5051 if (events->sctp_send_failure_event) {
5052 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5054 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
5056 if (events->sctp_peer_error_event) {
5057 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5059 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVPEERERR);
5061 if (events->sctp_shutdown_event) {
5062 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5064 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
5066 if (events->sctp_partial_delivery_event) {
5067 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5069 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_PDAPIEVNT);
5071 if (events->sctp_adaptation_layer_event) {
5072 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5074 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
5076 if (events->sctp_authentication_event) {
5077 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5079 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_AUTHEVNT);
5081 if (events->sctp_sender_dry_event) {
5082 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5084 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DRYEVNT);
5086 if (events->sctp_stream_reset_event) {
5087 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5089 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
5091 SCTP_TCB_UNLOCK(stcb);
5094 * Send up the sender dry event only for 1-to-1
5097 if (events->sctp_sender_dry_event) {
5098 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5099 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
5100 stcb = LIST_FIRST(&inp->sctp_asoc_list);
5102 SCTP_TCB_LOCK(stcb);
5103 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
5104 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
5105 (stcb->asoc.stream_queue_cnt == 0)) {
5106 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
5108 SCTP_TCB_UNLOCK(stcb);
5112 SCTP_INP_RUNLOCK(inp);
5115 case SCTP_ADAPTATION_LAYER:
5117 struct sctp_setadaptation *adap_bits;
5119 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
5120 SCTP_INP_WLOCK(inp);
5121 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
5122 inp->sctp_ep.adaptation_layer_indicator_provided = 1;
5123 SCTP_INP_WUNLOCK(inp);
5127 case SCTP_SET_INITIAL_DBG_SEQ:
5131 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
5132 SCTP_INP_WLOCK(inp);
5133 inp->sctp_ep.initial_sequence_debug = *vvv;
5134 SCTP_INP_WUNLOCK(inp);
5138 case SCTP_DEFAULT_SEND_PARAM:
5140 struct sctp_sndrcvinfo *s_info;
5142 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
5143 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
5146 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5147 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5149 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5152 SCTP_TCB_UNLOCK(stcb);
5154 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5155 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5156 (s_info->sinfo_assoc_id == SCTP_FUTURE_ASSOC) ||
5157 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5158 SCTP_INP_WLOCK(inp);
5159 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
5160 SCTP_INP_WUNLOCK(inp);
5162 if ((s_info->sinfo_assoc_id == SCTP_CURRENT_ASSOC) ||
5163 (s_info->sinfo_assoc_id == SCTP_ALL_ASSOC)) {
5164 SCTP_INP_RLOCK(inp);
5165 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
5166 SCTP_TCB_LOCK(stcb);
5167 if (s_info->sinfo_stream < stcb->asoc.streamoutcnt) {
5168 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
5170 SCTP_TCB_UNLOCK(stcb);
5172 SCTP_INP_RUNLOCK(inp);
5177 case SCTP_PEER_ADDR_PARAMS:
5179 struct sctp_paddrparams *paddrp;
5180 struct sctp_nets *net;
5181 struct sockaddr *addr;
5183 #if defined(INET) && defined(INET6)
5184 struct sockaddr_in sin_store;
5188 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
5189 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
5191 #if defined(INET) && defined(INET6)
5192 if (paddrp->spp_address.ss_family == AF_INET6) {
5193 struct sockaddr_in6 *sin6;
5195 sin6 = (struct sockaddr_in6 *)&paddrp->spp_address;
5196 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5197 in6_sin6_2_sin(&sin_store, sin6);
5198 addr = (struct sockaddr *)&sin_store;
5200 addr = (struct sockaddr *)&paddrp->spp_address;
5203 addr = (struct sockaddr *)&paddrp->spp_address;
5206 addr = (struct sockaddr *)&paddrp->spp_address;
5209 net = sctp_findnet(stcb, addr);
5212 * We increment here since
5213 * sctp_findassociation_ep_addr() wil do a
5214 * decrement if it finds the stcb as long as
5215 * the locked tcb (last argument) is NOT a
5219 SCTP_INP_INCR_REF(inp);
5220 stcb = sctp_findassociation_ep_addr(&inp, addr,
5223 SCTP_INP_DECR_REF(inp);
5226 if ((stcb != NULL) && (net == NULL)) {
5228 if (addr->sa_family == AF_INET) {
5230 struct sockaddr_in *sin;
5232 sin = (struct sockaddr_in *)addr;
5233 if (sin->sin_addr.s_addr != INADDR_ANY) {
5234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5235 SCTP_TCB_UNLOCK(stcb);
5242 if (addr->sa_family == AF_INET6) {
5243 struct sockaddr_in6 *sin6;
5245 sin6 = (struct sockaddr_in6 *)addr;
5246 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
5247 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5248 SCTP_TCB_UNLOCK(stcb);
5255 error = EAFNOSUPPORT;
5256 SCTP_TCB_UNLOCK(stcb);
5257 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
5262 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
5264 SCTP_TCB_UNLOCK(stcb);
5265 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5268 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
5270 SCTP_TCB_UNLOCK(stcb);
5271 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5275 /************************TCB SPECIFIC SET ******************/
5277 /************************NET SPECIFIC SET ******************/
5278 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5279 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED) &&
5280 !(net->dest_state & SCTP_ADDR_NOHB)) {
5281 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5282 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
5284 net->dest_state |= SCTP_ADDR_NOHB;
5286 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5287 if (paddrp->spp_hbinterval) {
5288 net->heart_beat_delay = paddrp->spp_hbinterval;
5289 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5290 net->heart_beat_delay = 0;
5292 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5293 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
5294 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5295 net->dest_state &= ~SCTP_ADDR_NOHB;
5297 if (paddrp->spp_flags & SPP_HB_DEMAND) {
5299 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5300 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_SOCKOPT, SCTP_SO_LOCKED);
5301 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5303 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5304 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5305 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5306 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
5308 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5309 net->mtu = paddrp->spp_pathmtu;
5310 switch (net->ro._l_addr.sa.sa_family) {
5313 net->mtu += SCTP_MIN_V4_OVERHEAD;
5318 net->mtu += SCTP_MIN_OVERHEAD;
5324 if (net->mtu < stcb->asoc.smallest_mtu) {
5325 sctp_pathmtu_adjustment(stcb, net->mtu);
5328 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5329 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5330 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5332 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5334 if (paddrp->spp_pathmaxrxt) {
5335 if (net->dest_state & SCTP_ADDR_PF) {
5336 if (net->error_count > paddrp->spp_pathmaxrxt) {
5337 net->dest_state &= ~SCTP_ADDR_PF;
5340 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5341 (net->error_count > net->pf_threshold)) {
5342 net->dest_state |= SCTP_ADDR_PF;
5343 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5344 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5345 stcb->sctp_ep, stcb, net,
5346 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
5347 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5350 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5351 if (net->error_count > paddrp->spp_pathmaxrxt) {
5352 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5353 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5356 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5357 net->dest_state |= SCTP_ADDR_REACHABLE;
5358 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5361 net->failure_threshold = paddrp->spp_pathmaxrxt;
5363 if (paddrp->spp_flags & SPP_DSCP) {
5364 net->dscp = paddrp->spp_dscp & 0xfc;
5368 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5369 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5370 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5371 net->flowlabel |= 0x80000000;
5376 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
5377 if (paddrp->spp_pathmaxrxt != 0) {
5378 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
5379 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5380 if (net->dest_state & SCTP_ADDR_PF) {
5381 if (net->error_count > paddrp->spp_pathmaxrxt) {
5382 net->dest_state &= ~SCTP_ADDR_PF;
5385 if ((net->error_count <= paddrp->spp_pathmaxrxt) &&
5386 (net->error_count > net->pf_threshold)) {
5387 net->dest_state |= SCTP_ADDR_PF;
5388 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
5389 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5390 stcb->sctp_ep, stcb, net,
5391 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_13);
5392 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
5395 if (net->dest_state & SCTP_ADDR_REACHABLE) {
5396 if (net->error_count > paddrp->spp_pathmaxrxt) {
5397 net->dest_state &= ~SCTP_ADDR_REACHABLE;
5398 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
5401 if (net->error_count <= paddrp->spp_pathmaxrxt) {
5402 net->dest_state |= SCTP_ADDR_REACHABLE;
5403 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
5406 net->failure_threshold = paddrp->spp_pathmaxrxt;
5409 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5410 if (paddrp->spp_hbinterval != 0) {
5411 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
5412 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5413 stcb->asoc.heart_beat_delay = 0;
5415 /* Turn back on the timer */
5416 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5417 if (paddrp->spp_hbinterval != 0) {
5418 net->heart_beat_delay = paddrp->spp_hbinterval;
5419 } else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5420 net->heart_beat_delay = 0;
5422 if (net->dest_state & SCTP_ADDR_NOHB) {
5423 net->dest_state &= ~SCTP_ADDR_NOHB;
5425 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
5426 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_14);
5427 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
5429 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5431 if (paddrp->spp_flags & SPP_HB_DISABLE) {
5432 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5433 if (!(net->dest_state & SCTP_ADDR_NOHB)) {
5434 net->dest_state |= SCTP_ADDR_NOHB;
5435 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5436 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
5438 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_15);
5442 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5444 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
5445 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5446 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5447 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
5448 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_16);
5450 net->dest_state |= SCTP_ADDR_NO_PMTUD;
5451 net->mtu = paddrp->spp_pathmtu;
5452 switch (net->ro._l_addr.sa.sa_family) {
5455 net->mtu += SCTP_MIN_V4_OVERHEAD;
5460 net->mtu += SCTP_MIN_OVERHEAD;
5466 if (net->mtu < stcb->asoc.smallest_mtu) {
5467 sctp_pathmtu_adjustment(stcb, net->mtu);
5470 sctp_stcb_feature_on(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5472 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5473 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5474 if (!SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
5475 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
5477 net->dest_state &= ~SCTP_ADDR_NO_PMTUD;
5479 sctp_stcb_feature_off(inp, stcb, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5481 if (paddrp->spp_flags & SPP_DSCP) {
5482 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5483 net->dscp = paddrp->spp_dscp & 0xfc;
5486 stcb->asoc.default_dscp = paddrp->spp_dscp & 0xfc;
5487 stcb->asoc.default_dscp |= 0x01;
5490 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5491 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
5492 if (net->ro._l_addr.sa.sa_family == AF_INET6) {
5493 net->flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5494 net->flowlabel |= 0x80000000;
5497 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5498 stcb->asoc.default_flowlabel |= 0x80000000;
5502 SCTP_TCB_UNLOCK(stcb);
5504 /************************NO TCB, SET TO default stuff ******************/
5505 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5506 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5507 (paddrp->spp_assoc_id == SCTP_FUTURE_ASSOC)) {
5508 SCTP_INP_WLOCK(inp);
5510 * For the TOS/FLOWLABEL stuff you
5511 * set it with the options on the
5514 if (paddrp->spp_pathmaxrxt != 0) {
5515 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
5517 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
5518 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5519 else if (paddrp->spp_hbinterval != 0) {
5520 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
5521 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
5522 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5524 if (paddrp->spp_flags & SPP_HB_ENABLE) {
5525 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO) {
5526 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
5527 } else if (paddrp->spp_hbinterval) {
5528 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
5530 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5531 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
5532 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
5534 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
5535 sctp_feature_off(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5536 } else if (paddrp->spp_flags & SPP_PMTUD_DISABLE) {
5537 sctp_feature_on(inp, SCTP_PCB_FLAGS_DO_NOT_PMTUD);
5539 if (paddrp->spp_flags & SPP_DSCP) {
5540 inp->sctp_ep.default_dscp = paddrp->spp_dscp & 0xfc;
5541 inp->sctp_ep.default_dscp |= 0x01;
5544 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
5545 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
5546 inp->sctp_ep.default_flowlabel = paddrp->spp_ipv6_flowlabel & 0x000fffff;
5547 inp->sctp_ep.default_flowlabel |= 0x80000000;
5551 SCTP_INP_WUNLOCK(inp);
5553 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5561 struct sctp_rtoinfo *srto;
5562 uint32_t new_init, new_min, new_max;
5564 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
5565 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
5568 if (srto->srto_initial)
5569 new_init = srto->srto_initial;
5571 new_init = stcb->asoc.initial_rto;
5573 new_max = srto->srto_max;
5575 new_max = stcb->asoc.maxrto;
5577 new_min = srto->srto_min;
5579 new_min = stcb->asoc.minrto;
5580 if ((new_min <= new_init) && (new_init <= new_max)) {
5581 stcb->asoc.initial_rto = new_init;
5582 stcb->asoc.maxrto = new_max;
5583 stcb->asoc.minrto = new_min;
5585 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5588 SCTP_TCB_UNLOCK(stcb);
5590 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5591 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5592 (srto->srto_assoc_id == SCTP_FUTURE_ASSOC)) {
5593 SCTP_INP_WLOCK(inp);
5594 if (srto->srto_initial)
5595 new_init = srto->srto_initial;
5597 new_init = inp->sctp_ep.initial_rto;
5599 new_max = srto->srto_max;
5601 new_max = inp->sctp_ep.sctp_maxrto;
5603 new_min = srto->srto_min;
5605 new_min = inp->sctp_ep.sctp_minrto;
5606 if ((new_min <= new_init) && (new_init <= new_max)) {
5607 inp->sctp_ep.initial_rto = new_init;
5608 inp->sctp_ep.sctp_maxrto = new_max;
5609 inp->sctp_ep.sctp_minrto = new_min;
5611 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5614 SCTP_INP_WUNLOCK(inp);
5616 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5622 case SCTP_ASSOCINFO:
5624 struct sctp_assocparams *sasoc;
5626 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
5627 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
5628 if (sasoc->sasoc_cookie_life) {
5629 /* boundary check the cookie life */
5630 if (sasoc->sasoc_cookie_life < 1000)
5631 sasoc->sasoc_cookie_life = 1000;
5632 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
5633 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
5637 if (sasoc->sasoc_asocmaxrxt)
5638 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
5639 if (sasoc->sasoc_cookie_life) {
5640 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5642 SCTP_TCB_UNLOCK(stcb);
5644 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
5645 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
5646 (sasoc->sasoc_assoc_id == SCTP_FUTURE_ASSOC)) {
5647 SCTP_INP_WLOCK(inp);
5648 if (sasoc->sasoc_asocmaxrxt)
5649 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
5650 if (sasoc->sasoc_cookie_life) {
5651 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
5653 SCTP_INP_WUNLOCK(inp);
5655 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5663 struct sctp_initmsg *sinit;
5665 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
5666 SCTP_INP_WLOCK(inp);
5667 if (sinit->sinit_num_ostreams)
5668 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
5670 if (sinit->sinit_max_instreams)
5671 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
5673 if (sinit->sinit_max_attempts)
5674 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
5676 if (sinit->sinit_max_init_timeo)
5677 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
5678 SCTP_INP_WUNLOCK(inp);
5681 case SCTP_PRIMARY_ADDR:
5683 struct sctp_setprim *spa;
5684 struct sctp_nets *net;
5685 struct sockaddr *addr;
5687 #if defined(INET) && defined(INET6)
5688 struct sockaddr_in sin_store;
5692 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
5693 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
5695 #if defined(INET) && defined(INET6)
5696 if (spa->ssp_addr.ss_family == AF_INET6) {
5697 struct sockaddr_in6 *sin6;
5699 sin6 = (struct sockaddr_in6 *)&spa->ssp_addr;
5700 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5701 in6_sin6_2_sin(&sin_store, sin6);
5702 addr = (struct sockaddr *)&sin_store;
5704 addr = (struct sockaddr *)&spa->ssp_addr;
5707 addr = (struct sockaddr *)&spa->ssp_addr;
5710 addr = (struct sockaddr *)&spa->ssp_addr;
5713 net = sctp_findnet(stcb, addr);
5716 * We increment here since
5717 * sctp_findassociation_ep_addr() wil do a
5718 * decrement if it finds the stcb as long as
5719 * the locked tcb (last argument) is NOT a
5723 SCTP_INP_INCR_REF(inp);
5724 stcb = sctp_findassociation_ep_addr(&inp, addr,
5727 SCTP_INP_DECR_REF(inp);
5731 if ((stcb != NULL) && (net != NULL)) {
5732 if (net != stcb->asoc.primary_destination) {
5733 if (!(net->dest_state & SCTP_ADDR_UNCONFIRMED)) {
5734 /* Ok we need to set it */
5735 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
5736 if ((stcb->asoc.alternate) &&
5737 (!(net->dest_state & SCTP_ADDR_PF)) &&
5738 (net->dest_state & SCTP_ADDR_REACHABLE)) {
5739 sctp_free_remote_addr(stcb->asoc.alternate);
5740 stcb->asoc.alternate = NULL;
5743 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5747 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5756 SCTP_TCB_UNLOCK(stcb);
5760 case SCTP_SET_DYNAMIC_PRIMARY:
5762 union sctp_sockstore *ss;
5764 error = priv_check(curthread,
5765 PRIV_NETINET_RESERVEDPORT);
5769 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
5770 /* SUPER USER CHECK? */
5771 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
5774 case SCTP_SET_PEER_PRIMARY_ADDR:
5776 struct sctp_setpeerprim *sspp;
5777 struct sockaddr *addr;
5779 #if defined(INET) && defined(INET6)
5780 struct sockaddr_in sin_store;
5784 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
5785 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
5787 struct sctp_ifa *ifa;
5789 #if defined(INET) && defined(INET6)
5790 if (sspp->sspp_addr.ss_family == AF_INET6) {
5791 struct sockaddr_in6 *sin6;
5793 sin6 = (struct sockaddr_in6 *)&sspp->sspp_addr;
5794 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
5795 in6_sin6_2_sin(&sin_store, sin6);
5796 addr = (struct sockaddr *)&sin_store;
5798 addr = (struct sockaddr *)&sspp->sspp_addr;
5801 addr = (struct sockaddr *)&sspp->sspp_addr;
5804 addr = (struct sockaddr *)&sspp->sspp_addr;
5806 ifa = sctp_find_ifa_by_addr(addr, stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
5808 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5812 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
5814 * Must validate the ifa found is in
5817 struct sctp_laddr *laddr;
5820 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
5821 if (laddr->ifa == NULL) {
5822 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
5826 if (laddr->ifa == ifa) {
5832 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5837 switch (addr->sa_family) {
5841 struct sockaddr_in *sin;
5843 sin = (struct sockaddr_in *)addr;
5844 if (prison_check_ip4(inp->ip_inp.inp.inp_cred,
5845 &sin->sin_addr) != 0) {
5846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5856 struct sockaddr_in6 *sin6;
5858 sin6 = (struct sockaddr_in6 *)addr;
5859 if (prison_check_ip6(inp->ip_inp.inp.inp_cred,
5860 &sin6->sin6_addr) != 0) {
5861 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5869 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5874 if (sctp_set_primary_ip_address_sa(stcb, addr) != 0) {
5875 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5879 SCTP_TCB_UNLOCK(stcb);
5881 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5886 case SCTP_BINDX_ADD_ADDR:
5888 struct sctp_getaddresses *addrs;
5891 td = (struct thread *)p;
5892 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
5895 if (addrs->addr->sa_family == AF_INET) {
5896 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5897 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5901 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5902 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5908 if (addrs->addr->sa_family == AF_INET6) {
5909 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5910 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5914 if (td != NULL && (error = prison_local_ip6(td->td_ucred, &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5915 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5916 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5922 error = EAFNOSUPPORT;
5925 sctp_bindx_add_address(so, inp, addrs->addr,
5926 addrs->sget_assoc_id, vrf_id,
5930 case SCTP_BINDX_REM_ADDR:
5932 struct sctp_getaddresses *addrs;
5935 td = (struct thread *)p;
5937 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
5939 if (addrs->addr->sa_family == AF_INET) {
5940 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in)) {
5941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5945 if (td != NULL && (error = prison_local_ip4(td->td_ucred, &(((struct sockaddr_in *)(addrs->addr))->sin_addr)))) {
5946 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5952 if (addrs->addr->sa_family == AF_INET6) {
5953 if (optsize < sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6)) {
5954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
5959 (error = prison_local_ip6(td->td_ucred,
5960 &(((struct sockaddr_in6 *)(addrs->addr))->sin6_addr),
5961 (SCTP_IPV6_V6ONLY(inp) != 0))) != 0) {
5962 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, error);
5968 error = EAFNOSUPPORT;
5971 sctp_bindx_delete_address(inp, addrs->addr,
5972 addrs->sget_assoc_id, vrf_id,
5978 struct sctp_event *event;
5979 uint32_t event_type;
5981 SCTP_CHECK_AND_CAST(event, optval, struct sctp_event, optsize);
5982 SCTP_FIND_STCB(inp, stcb, event->se_assoc_id);
5983 switch (event->se_type) {
5984 case SCTP_ASSOC_CHANGE:
5985 event_type = SCTP_PCB_FLAGS_RECVASSOCEVNT;
5987 case SCTP_PEER_ADDR_CHANGE:
5988 event_type = SCTP_PCB_FLAGS_RECVPADDREVNT;
5990 case SCTP_REMOTE_ERROR:
5991 event_type = SCTP_PCB_FLAGS_RECVPEERERR;
5993 case SCTP_SEND_FAILED:
5994 event_type = SCTP_PCB_FLAGS_RECVSENDFAILEVNT;
5996 case SCTP_SHUTDOWN_EVENT:
5997 event_type = SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT;
5999 case SCTP_ADAPTATION_INDICATION:
6000 event_type = SCTP_PCB_FLAGS_ADAPTATIONEVNT;
6002 case SCTP_PARTIAL_DELIVERY_EVENT:
6003 event_type = SCTP_PCB_FLAGS_PDAPIEVNT;
6005 case SCTP_AUTHENTICATION_EVENT:
6006 event_type = SCTP_PCB_FLAGS_AUTHEVNT;
6008 case SCTP_STREAM_RESET_EVENT:
6009 event_type = SCTP_PCB_FLAGS_STREAM_RESETEVNT;
6011 case SCTP_SENDER_DRY_EVENT:
6012 event_type = SCTP_PCB_FLAGS_DRYEVNT;
6014 case SCTP_NOTIFICATIONS_STOPPED_EVENT:
6016 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6019 case SCTP_ASSOC_RESET_EVENT:
6020 event_type = SCTP_PCB_FLAGS_ASSOC_RESETEVNT;
6022 case SCTP_STREAM_CHANGE_EVENT:
6023 event_type = SCTP_PCB_FLAGS_STREAM_CHANGEEVNT;
6025 case SCTP_SEND_FAILED_EVENT:
6026 event_type = SCTP_PCB_FLAGS_RECVNSENDFAILEVNT;
6030 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6034 if (event_type > 0) {
6037 sctp_stcb_feature_on(inp, stcb, event_type);
6038 if (event_type == SCTP_PCB_FLAGS_DRYEVNT) {
6039 if (TAILQ_EMPTY(&stcb->asoc.send_queue) &&
6040 TAILQ_EMPTY(&stcb->asoc.sent_queue) &&
6041 (stcb->asoc.stream_queue_cnt == 0)) {
6042 sctp_ulp_notify(SCTP_NOTIFY_SENDER_DRY, stcb, 0, NULL, SCTP_SO_LOCKED);
6046 sctp_stcb_feature_off(inp, stcb, event_type);
6048 SCTP_TCB_UNLOCK(stcb);
6051 * We don't want to send up a storm
6052 * of events, so return an error for
6055 if ((event_type == SCTP_PCB_FLAGS_DRYEVNT) &&
6056 ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) == 0) &&
6057 ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) == 0) &&
6058 ((event->se_assoc_id == SCTP_ALL_ASSOC) ||
6059 (event->se_assoc_id == SCTP_CURRENT_ASSOC))) {
6060 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTSUP);
6064 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6065 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6066 (event->se_assoc_id == SCTP_FUTURE_ASSOC) ||
6067 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6068 SCTP_INP_WLOCK(inp);
6070 sctp_feature_on(inp, event_type);
6072 sctp_feature_off(inp, event_type);
6074 SCTP_INP_WUNLOCK(inp);
6076 if ((event->se_assoc_id == SCTP_CURRENT_ASSOC) ||
6077 (event->se_assoc_id == SCTP_ALL_ASSOC)) {
6078 SCTP_INP_RLOCK(inp);
6079 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6080 SCTP_TCB_LOCK(stcb);
6082 sctp_stcb_feature_on(inp, stcb, event_type);
6084 sctp_stcb_feature_off(inp, stcb, event_type);
6086 SCTP_TCB_UNLOCK(stcb);
6088 SCTP_INP_RUNLOCK(inp);
6094 case SCTP_RECVRCVINFO:
6098 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6099 SCTP_INP_WLOCK(inp);
6101 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6103 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVRCVINFO);
6105 SCTP_INP_WUNLOCK(inp);
6108 case SCTP_RECVNXTINFO:
6112 SCTP_CHECK_AND_CAST(onoff, optval, int, optsize);
6113 SCTP_INP_WLOCK(inp);
6115 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6117 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVNXTINFO);
6119 SCTP_INP_WUNLOCK(inp);
6122 case SCTP_DEFAULT_SNDINFO:
6124 struct sctp_sndinfo *info;
6127 SCTP_CHECK_AND_CAST(info, optval, struct sctp_sndinfo, optsize);
6128 SCTP_FIND_STCB(inp, stcb, info->snd_assoc_id);
6131 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6132 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6133 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6134 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6135 stcb->asoc.def_send.sinfo_flags |= policy;
6136 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6137 stcb->asoc.def_send.sinfo_context = info->snd_context;
6139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6142 SCTP_TCB_UNLOCK(stcb);
6144 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6145 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6146 (info->snd_assoc_id == SCTP_FUTURE_ASSOC) ||
6147 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6148 SCTP_INP_WLOCK(inp);
6149 inp->def_send.sinfo_stream = info->snd_sid;
6150 policy = PR_SCTP_POLICY(inp->def_send.sinfo_flags);
6151 inp->def_send.sinfo_flags = info->snd_flags;
6152 inp->def_send.sinfo_flags |= policy;
6153 inp->def_send.sinfo_ppid = info->snd_ppid;
6154 inp->def_send.sinfo_context = info->snd_context;
6155 SCTP_INP_WUNLOCK(inp);
6157 if ((info->snd_assoc_id == SCTP_CURRENT_ASSOC) ||
6158 (info->snd_assoc_id == SCTP_ALL_ASSOC)) {
6159 SCTP_INP_RLOCK(inp);
6160 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6161 SCTP_TCB_LOCK(stcb);
6162 if (info->snd_sid < stcb->asoc.streamoutcnt) {
6163 stcb->asoc.def_send.sinfo_stream = info->snd_sid;
6164 policy = PR_SCTP_POLICY(stcb->asoc.def_send.sinfo_flags);
6165 stcb->asoc.def_send.sinfo_flags = info->snd_flags;
6166 stcb->asoc.def_send.sinfo_flags |= policy;
6167 stcb->asoc.def_send.sinfo_ppid = info->snd_ppid;
6168 stcb->asoc.def_send.sinfo_context = info->snd_context;
6170 SCTP_TCB_UNLOCK(stcb);
6172 SCTP_INP_RUNLOCK(inp);
6177 case SCTP_DEFAULT_PRINFO:
6179 struct sctp_default_prinfo *info;
6181 SCTP_CHECK_AND_CAST(info, optval, struct sctp_default_prinfo, optsize);
6182 SCTP_FIND_STCB(inp, stcb, info->pr_assoc_id);
6184 if (info->pr_policy > SCTP_PR_SCTP_MAX) {
6185 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6190 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6191 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6192 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6193 SCTP_TCB_UNLOCK(stcb);
6195 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6196 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6197 (info->pr_assoc_id == SCTP_FUTURE_ASSOC) ||
6198 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6199 SCTP_INP_WLOCK(inp);
6200 inp->def_send.sinfo_flags &= 0xfff0;
6201 inp->def_send.sinfo_flags |= info->pr_policy;
6202 inp->def_send.sinfo_timetolive = info->pr_value;
6203 SCTP_INP_WUNLOCK(inp);
6205 if ((info->pr_assoc_id == SCTP_CURRENT_ASSOC) ||
6206 (info->pr_assoc_id == SCTP_ALL_ASSOC)) {
6207 SCTP_INP_RLOCK(inp);
6208 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
6209 SCTP_TCB_LOCK(stcb);
6210 stcb->asoc.def_send.sinfo_flags &= 0xfff0;
6211 stcb->asoc.def_send.sinfo_flags |= info->pr_policy;
6212 stcb->asoc.def_send.sinfo_timetolive = info->pr_value;
6213 SCTP_TCB_UNLOCK(stcb);
6215 SCTP_INP_RUNLOCK(inp);
6220 case SCTP_PEER_ADDR_THLDS:
6221 /* Applies to the specific association */
6223 struct sctp_paddrthlds *thlds;
6224 struct sctp_nets *net;
6225 struct sockaddr *addr;
6227 #if defined(INET) && defined(INET6)
6228 struct sockaddr_in sin_store;
6232 SCTP_CHECK_AND_CAST(thlds, optval, struct sctp_paddrthlds, optsize);
6233 SCTP_FIND_STCB(inp, stcb, thlds->spt_assoc_id);
6235 #if defined(INET) && defined(INET6)
6236 if (thlds->spt_address.ss_family == AF_INET6) {
6237 struct sockaddr_in6 *sin6;
6239 sin6 = (struct sockaddr_in6 *)&thlds->spt_address;
6240 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6241 in6_sin6_2_sin(&sin_store, sin6);
6242 addr = (struct sockaddr *)&sin_store;
6244 addr = (struct sockaddr *)&thlds->spt_address;
6247 addr = (struct sockaddr *)&thlds->spt_address;
6250 addr = (struct sockaddr *)&thlds->spt_address;
6253 net = sctp_findnet(stcb, addr);
6256 * We increment here since
6257 * sctp_findassociation_ep_addr() wil do a
6258 * decrement if it finds the stcb as long as
6259 * the locked tcb (last argument) is NOT a
6263 SCTP_INP_INCR_REF(inp);
6264 stcb = sctp_findassociation_ep_addr(&inp, addr,
6267 SCTP_INP_DECR_REF(inp);
6270 if ((stcb != NULL) && (net == NULL)) {
6272 if (addr->sa_family == AF_INET) {
6274 struct sockaddr_in *sin;
6276 sin = (struct sockaddr_in *)addr;
6277 if (sin->sin_addr.s_addr != INADDR_ANY) {
6278 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6279 SCTP_TCB_UNLOCK(stcb);
6286 if (addr->sa_family == AF_INET6) {
6287 struct sockaddr_in6 *sin6;
6289 sin6 = (struct sockaddr_in6 *)addr;
6290 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6291 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6292 SCTP_TCB_UNLOCK(stcb);
6299 error = EAFNOSUPPORT;
6300 SCTP_TCB_UNLOCK(stcb);
6301 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6307 net->failure_threshold = thlds->spt_pathmaxrxt;
6308 net->pf_threshold = thlds->spt_pathpfthld;
6309 if (net->dest_state & SCTP_ADDR_PF) {
6310 if ((net->error_count > net->failure_threshold) ||
6311 (net->error_count <= net->pf_threshold)) {
6312 net->dest_state &= ~SCTP_ADDR_PF;
6315 if ((net->error_count > net->pf_threshold) &&
6316 (net->error_count <= net->failure_threshold)) {
6317 net->dest_state |= SCTP_ADDR_PF;
6318 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6319 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6320 stcb->sctp_ep, stcb, net,
6321 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_17);
6322 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6325 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6326 if (net->error_count > net->failure_threshold) {
6327 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6328 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6331 if (net->error_count <= net->failure_threshold) {
6332 net->dest_state |= SCTP_ADDR_REACHABLE;
6333 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6337 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6338 net->failure_threshold = thlds->spt_pathmaxrxt;
6339 net->pf_threshold = thlds->spt_pathpfthld;
6340 if (net->dest_state & SCTP_ADDR_PF) {
6341 if ((net->error_count > net->failure_threshold) ||
6342 (net->error_count <= net->pf_threshold)) {
6343 net->dest_state &= ~SCTP_ADDR_PF;
6346 if ((net->error_count > net->pf_threshold) &&
6347 (net->error_count <= net->failure_threshold)) {
6348 net->dest_state |= SCTP_ADDR_PF;
6349 sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
6350 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT,
6351 stcb->sctp_ep, stcb, net,
6352 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_18);
6353 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net);
6356 if (net->dest_state & SCTP_ADDR_REACHABLE) {
6357 if (net->error_count > net->failure_threshold) {
6358 net->dest_state &= ~SCTP_ADDR_REACHABLE;
6359 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
6362 if (net->error_count <= net->failure_threshold) {
6363 net->dest_state |= SCTP_ADDR_REACHABLE;
6364 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
6368 stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
6369 stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;
6371 SCTP_TCB_UNLOCK(stcb);
6373 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6374 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6375 (thlds->spt_assoc_id == SCTP_FUTURE_ASSOC)) {
6376 SCTP_INP_WLOCK(inp);
6377 inp->sctp_ep.def_net_failure = thlds->spt_pathmaxrxt;
6378 inp->sctp_ep.def_net_pf_threshold = thlds->spt_pathpfthld;
6379 SCTP_INP_WUNLOCK(inp);
6381 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6387 case SCTP_REMOTE_UDP_ENCAPS_PORT:
6389 struct sctp_udpencaps *encaps;
6390 struct sctp_nets *net;
6391 struct sockaddr *addr;
6393 #if defined(INET) && defined(INET6)
6394 struct sockaddr_in sin_store;
6398 SCTP_CHECK_AND_CAST(encaps, optval, struct sctp_udpencaps, optsize);
6399 SCTP_FIND_STCB(inp, stcb, encaps->sue_assoc_id);
6401 #if defined(INET) && defined(INET6)
6402 if (encaps->sue_address.ss_family == AF_INET6) {
6403 struct sockaddr_in6 *sin6;
6405 sin6 = (struct sockaddr_in6 *)&encaps->sue_address;
6406 if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {
6407 in6_sin6_2_sin(&sin_store, sin6);
6408 addr = (struct sockaddr *)&sin_store;
6410 addr = (struct sockaddr *)&encaps->sue_address;
6413 addr = (struct sockaddr *)&encaps->sue_address;
6416 addr = (struct sockaddr *)&encaps->sue_address;
6419 net = sctp_findnet(stcb, addr);
6422 * We increment here since
6423 * sctp_findassociation_ep_addr() wil do a
6424 * decrement if it finds the stcb as long as
6425 * the locked tcb (last argument) is NOT a
6429 SCTP_INP_INCR_REF(inp);
6430 stcb = sctp_findassociation_ep_addr(&inp, addr, &net, NULL, NULL);
6432 SCTP_INP_DECR_REF(inp);
6435 if ((stcb != NULL) && (net == NULL)) {
6437 if (addr->sa_family == AF_INET) {
6439 struct sockaddr_in *sin;
6441 sin = (struct sockaddr_in *)addr;
6442 if (sin->sin_addr.s_addr != INADDR_ANY) {
6443 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6444 SCTP_TCB_UNLOCK(stcb);
6451 if (addr->sa_family == AF_INET6) {
6452 struct sockaddr_in6 *sin6;
6454 sin6 = (struct sockaddr_in6 *)addr;
6455 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
6456 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6457 SCTP_TCB_UNLOCK(stcb);
6464 error = EAFNOSUPPORT;
6465 SCTP_TCB_UNLOCK(stcb);
6466 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6472 net->port = encaps->sue_port;
6474 stcb->asoc.port = encaps->sue_port;
6476 SCTP_TCB_UNLOCK(stcb);
6478 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6479 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6480 (encaps->sue_assoc_id == SCTP_FUTURE_ASSOC)) {
6481 SCTP_INP_WLOCK(inp);
6482 inp->sctp_ep.port = encaps->sue_port;
6483 SCTP_INP_WUNLOCK(inp);
6485 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6491 case SCTP_ECN_SUPPORTED:
6493 struct sctp_assoc_value *av;
6495 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6496 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6499 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6501 SCTP_TCB_UNLOCK(stcb);
6503 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6504 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6505 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6506 SCTP_INP_WLOCK(inp);
6507 if (av->assoc_value == 0) {
6508 inp->ecn_supported = 0;
6510 inp->ecn_supported = 1;
6512 SCTP_INP_WUNLOCK(inp);
6514 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6520 case SCTP_PR_SUPPORTED:
6522 struct sctp_assoc_value *av;
6524 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6525 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6530 SCTP_TCB_UNLOCK(stcb);
6532 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6533 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6534 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6535 SCTP_INP_WLOCK(inp);
6536 if (av->assoc_value == 0) {
6537 inp->prsctp_supported = 0;
6539 inp->prsctp_supported = 1;
6541 SCTP_INP_WUNLOCK(inp);
6543 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6549 case SCTP_AUTH_SUPPORTED:
6551 struct sctp_assoc_value *av;
6553 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6554 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6557 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6559 SCTP_TCB_UNLOCK(stcb);
6561 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6562 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6563 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6564 if ((av->assoc_value == 0) &&
6565 (inp->asconf_supported == 1)) {
6567 * AUTH is required for
6570 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6573 SCTP_INP_WLOCK(inp);
6574 if (av->assoc_value == 0) {
6575 inp->auth_supported = 0;
6577 inp->auth_supported = 1;
6579 SCTP_INP_WUNLOCK(inp);
6582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6588 case SCTP_ASCONF_SUPPORTED:
6590 struct sctp_assoc_value *av;
6592 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6593 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6596 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6598 SCTP_TCB_UNLOCK(stcb);
6600 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6601 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6602 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6603 if ((av->assoc_value != 0) &&
6604 (inp->auth_supported == 0)) {
6606 * AUTH is required for
6609 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6612 SCTP_INP_WLOCK(inp);
6613 if (av->assoc_value == 0) {
6614 inp->asconf_supported = 0;
6615 sctp_auth_delete_chunk(SCTP_ASCONF,
6616 inp->sctp_ep.local_auth_chunks);
6617 sctp_auth_delete_chunk(SCTP_ASCONF_ACK,
6618 inp->sctp_ep.local_auth_chunks);
6620 inp->asconf_supported = 1;
6621 sctp_auth_add_chunk(SCTP_ASCONF,
6622 inp->sctp_ep.local_auth_chunks);
6623 sctp_auth_add_chunk(SCTP_ASCONF_ACK,
6624 inp->sctp_ep.local_auth_chunks);
6626 SCTP_INP_WUNLOCK(inp);
6629 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6635 case SCTP_RECONFIG_SUPPORTED:
6637 struct sctp_assoc_value *av;
6639 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6640 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6643 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6645 SCTP_TCB_UNLOCK(stcb);
6647 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6648 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6649 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6650 SCTP_INP_WLOCK(inp);
6651 if (av->assoc_value == 0) {
6652 inp->reconfig_supported = 0;
6654 inp->reconfig_supported = 1;
6656 SCTP_INP_WUNLOCK(inp);
6658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6664 case SCTP_NRSACK_SUPPORTED:
6666 struct sctp_assoc_value *av;
6668 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6669 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6672 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6674 SCTP_TCB_UNLOCK(stcb);
6676 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6677 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6678 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6679 SCTP_INP_WLOCK(inp);
6680 if (av->assoc_value == 0) {
6681 inp->nrsack_supported = 0;
6683 inp->nrsack_supported = 1;
6685 SCTP_INP_WUNLOCK(inp);
6687 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6693 case SCTP_PKTDROP_SUPPORTED:
6695 struct sctp_assoc_value *av;
6697 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6698 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6701 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6703 SCTP_TCB_UNLOCK(stcb);
6705 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6706 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6707 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6708 SCTP_INP_WLOCK(inp);
6709 if (av->assoc_value == 0) {
6710 inp->pktdrop_supported = 0;
6712 inp->pktdrop_supported = 1;
6714 SCTP_INP_WUNLOCK(inp);
6716 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6724 struct sctp_assoc_value *av;
6725 struct sctp_nets *net;
6727 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
6728 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
6731 stcb->asoc.max_cwnd = av->assoc_value;
6732 if (stcb->asoc.max_cwnd > 0) {
6733 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
6734 if ((net->cwnd > stcb->asoc.max_cwnd) &&
6735 (net->cwnd > (net->mtu - sizeof(struct sctphdr)))) {
6736 net->cwnd = stcb->asoc.max_cwnd;
6737 if (net->cwnd < (net->mtu - sizeof(struct sctphdr))) {
6738 net->cwnd = net->mtu - sizeof(struct sctphdr);
6743 SCTP_TCB_UNLOCK(stcb);
6745 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
6746 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) ||
6747 (av->assoc_id == SCTP_FUTURE_ASSOC)) {
6748 SCTP_INP_WLOCK(inp);
6749 inp->max_cwnd = av->assoc_value;
6750 SCTP_INP_WUNLOCK(inp);
6752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6759 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
6760 error = ENOPROTOOPT;
6762 } /* end switch (opt) */
6767 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
6769 void *optval = NULL;
6773 struct sctp_inpcb *inp;
6775 if ((sopt->sopt_level == SOL_SOCKET) &&
6776 (sopt->sopt_name == SO_SETFIB)) {
6777 inp = (struct sctp_inpcb *)so->so_pcb;
6779 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6782 SCTP_INP_WLOCK(inp);
6783 inp->fibnum = so->so_fibnum;
6784 SCTP_INP_WUNLOCK(inp);
6787 if (sopt->sopt_level != IPPROTO_SCTP) {
6788 /* wrong proto level... send back up to IP */
6790 if (INP_CHECK_SOCKAF(so, AF_INET6))
6791 error = ip6_ctloutput(so, sopt);
6793 #if defined(INET) && defined(INET6)
6797 error = ip_ctloutput(so, sopt);
6801 optsize = sopt->sopt_valsize;
6803 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
6804 if (optval == NULL) {
6805 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
6808 error = sooptcopyin(sopt, optval, optsize, optsize);
6810 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6814 p = (void *)sopt->sopt_td;
6815 if (sopt->sopt_dir == SOPT_SET) {
6816 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
6817 } else if (sopt->sopt_dir == SOPT_GET) {
6818 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
6820 SCTP_LTRACE_ERR_RET(so->so_pcb, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6823 if ((error == 0) && (optval != NULL)) {
6824 error = sooptcopyout(sopt, optval, optsize);
6825 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6826 } else if (optval != NULL) {
6827 SCTP_FREE(optval, SCTP_M_SOCKOPT);
6835 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
6838 int create_lock_on = 0;
6840 struct sctp_inpcb *inp;
6841 struct sctp_tcb *stcb = NULL;
6843 inp = (struct sctp_inpcb *)so->so_pcb;
6845 /* I made the same as TCP since we are not setup? */
6846 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6847 return (ECONNRESET);
6850 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6853 switch (addr->sa_family) {
6857 struct sockaddr_in6 *sin6p;
6859 if (addr->sa_len != sizeof(struct sockaddr_in6)) {
6860 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6863 sin6p = (struct sockaddr_in6 *)addr;
6864 if (p != NULL && (error = prison_remote_ip6(p->td_ucred, &sin6p->sin6_addr)) != 0) {
6865 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6874 struct sockaddr_in *sinp;
6876 if (addr->sa_len != sizeof(struct sockaddr_in)) {
6877 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6880 sinp = (struct sockaddr_in *)addr;
6881 if (p != NULL && (error = prison_remote_ip4(p->td_ucred, &sinp->sin_addr)) != 0) {
6882 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
6889 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EAFNOSUPPORT);
6890 return (EAFNOSUPPORT);
6892 SCTP_INP_INCR_REF(inp);
6893 SCTP_ASOC_CREATE_LOCK(inp);
6897 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
6898 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
6899 /* Should I really unlock ? */
6900 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
6905 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
6906 (addr->sa_family == AF_INET6)) {
6907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6912 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
6913 SCTP_PCB_FLAGS_UNBOUND) {
6914 /* Bind a ephemeral port */
6915 error = sctp_inpcb_bind(so, NULL, NULL, p);
6920 /* Now do we connect? */
6921 if ((inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) &&
6922 (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_PORTREUSE))) {
6923 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
6927 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
6928 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
6929 /* We are already connected AND the TCP model */
6930 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
6934 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
6935 SCTP_INP_RLOCK(inp);
6936 stcb = LIST_FIRST(&inp->sctp_asoc_list);
6937 SCTP_INP_RUNLOCK(inp);
6940 * We increment here since sctp_findassociation_ep_addr()
6941 * will do a decrement if it finds the stcb as long as the
6942 * locked tcb (last argument) is NOT a TCB.. aka NULL.
6944 SCTP_INP_INCR_REF(inp);
6945 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
6947 SCTP_INP_DECR_REF(inp);
6949 SCTP_TCB_UNLOCK(stcb);
6953 /* Already have or am bring up an association */
6954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
6958 vrf_id = inp->def_vrf_id;
6959 /* We are GOOD to go */
6960 stcb = sctp_aloc_assoc(inp, addr, &error, 0, vrf_id, p);
6962 /* Gak! no memory */
6965 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
6966 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
6967 /* Set the connected flag so we can queue data */
6970 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
6971 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
6973 /* initialize authentication parameters for the assoc */
6974 sctp_initialize_auth_params(inp, stcb);
6976 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
6977 SCTP_TCB_UNLOCK(stcb);
6979 if (create_lock_on) {
6980 SCTP_ASOC_CREATE_UNLOCK(inp);
6982 SCTP_INP_DECR_REF(inp);
6989 sctp_listen(struct socket *so, int backlog, struct thread *p)
6992 * Note this module depends on the protocol processing being called
6993 * AFTER any socket level flags and backlog are applied to the
6994 * socket. The traditional way that the socket flags are applied is
6995 * AFTER protocol processing. We have made a change to the
6996 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
6997 * place if the socket API for SCTP is to work properly.
7001 struct sctp_inpcb *inp;
7003 inp = (struct sctp_inpcb *)so->so_pcb;
7005 /* I made the same as TCP since we are not setup? */
7006 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7007 return (ECONNRESET);
7009 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) {
7010 /* See if we have a listener */
7011 struct sctp_inpcb *tinp;
7012 union sctp_sockstore store;
7014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
7016 struct sctp_laddr *laddr;
7018 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7019 memcpy(&store, &laddr->ifa->address, sizeof(store));
7020 switch (store.sa.sa_family) {
7023 store.sin.sin_port = inp->sctp_lport;
7028 store.sin6.sin6_port = inp->sctp_lport;
7034 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7035 if (tinp && (tinp != inp) &&
7036 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7037 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7038 (tinp->sctp_socket->so_qlimit)) {
7040 * we have a listener already and
7043 SCTP_INP_DECR_REF(tinp);
7044 return (EADDRINUSE);
7046 SCTP_INP_DECR_REF(tinp);
7050 /* Setup a local addr bound all */
7051 memset(&store, 0, sizeof(store));
7053 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
7054 store.sa.sa_family = AF_INET6;
7055 store.sa.sa_len = sizeof(struct sockaddr_in6);
7059 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) {
7060 store.sa.sa_family = AF_INET;
7061 store.sa.sa_len = sizeof(struct sockaddr_in);
7064 switch (store.sa.sa_family) {
7067 store.sin.sin_port = inp->sctp_lport;
7072 store.sin6.sin6_port = inp->sctp_lport;
7078 tinp = sctp_pcb_findep(&store.sa, 0, 0, inp->def_vrf_id);
7079 if (tinp && (tinp != inp) &&
7080 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) == 0) &&
7081 ((tinp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
7082 (tinp->sctp_socket->so_qlimit)) {
7084 * we have a listener already and its not
7087 SCTP_INP_DECR_REF(tinp);
7088 return (EADDRINUSE);
7090 SCTP_INP_DECR_REF(tinp);
7094 SCTP_INP_RLOCK(inp);
7095 #ifdef SCTP_LOCK_LOGGING
7096 if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
7097 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
7101 error = solisten_proto_check(so);
7104 SCTP_INP_RUNLOCK(inp);
7107 if ((sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PORTREUSE)) &&
7108 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
7110 * The unlucky case - We are in the tcp pool with this guy.
7111 * - Someone else is in the main inp slot. - We must move
7112 * this guy (the listener) to the main slot - We must then
7113 * move the guy that was listener to the TCP Pool.
7115 if (sctp_swap_inpcb_for_listen(inp)) {
7116 SCTP_INP_RUNLOCK(inp);
7117 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7118 return (EADDRINUSE);
7121 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
7122 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
7123 /* We are already connected AND the TCP model */
7124 SCTP_INP_RUNLOCK(inp);
7125 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
7126 return (EADDRINUSE);
7128 SCTP_INP_RUNLOCK(inp);
7129 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
7130 /* We must do a bind. */
7131 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
7132 /* bind error, probably perm */
7137 /* It appears for 7.0 and on, we must always call this. */
7138 solisten_proto(so, backlog);
7139 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7140 /* remove the ACCEPTCONN flag for one-to-many sockets */
7141 so->so_options &= ~SO_ACCEPTCONN;
7144 /* turning off listen */
7145 so->so_options &= ~SO_ACCEPTCONN;
7151 static int sctp_defered_wakeup_cnt = 0;
7154 sctp_accept(struct socket *so, struct sockaddr **addr)
7156 struct sctp_tcb *stcb;
7157 struct sctp_inpcb *inp;
7158 union sctp_sockstore store;
7164 inp = (struct sctp_inpcb *)so->so_pcb;
7167 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7168 return (ECONNRESET);
7170 SCTP_INP_RLOCK(inp);
7171 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
7172 SCTP_INP_RUNLOCK(inp);
7173 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
7174 return (EOPNOTSUPP);
7176 if (so->so_state & SS_ISDISCONNECTED) {
7177 SCTP_INP_RUNLOCK(inp);
7178 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
7179 return (ECONNABORTED);
7181 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7183 SCTP_INP_RUNLOCK(inp);
7184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7185 return (ECONNRESET);
7187 SCTP_TCB_LOCK(stcb);
7188 SCTP_INP_RUNLOCK(inp);
7189 store = stcb->asoc.primary_destination->ro._l_addr;
7190 stcb->asoc.state &= ~SCTP_STATE_IN_ACCEPT_QUEUE;
7191 SCTP_TCB_UNLOCK(stcb);
7192 switch (store.sa.sa_family) {
7196 struct sockaddr_in *sin;
7198 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7201 sin->sin_family = AF_INET;
7202 sin->sin_len = sizeof(*sin);
7203 sin->sin_port = store.sin.sin_port;
7204 sin->sin_addr = store.sin.sin_addr;
7205 *addr = (struct sockaddr *)sin;
7212 struct sockaddr_in6 *sin6;
7214 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
7217 sin6->sin6_family = AF_INET6;
7218 sin6->sin6_len = sizeof(*sin6);
7219 sin6->sin6_port = store.sin6.sin6_port;
7220 sin6->sin6_addr = store.sin6.sin6_addr;
7221 if ((error = sa6_recoverscope(sin6)) != 0) {
7222 SCTP_FREE_SONAME(sin6);
7225 *addr = (struct sockaddr *)sin6;
7233 /* Wake any delayed sleep action */
7234 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
7235 SCTP_INP_WLOCK(inp);
7236 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
7237 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
7238 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
7239 SCTP_INP_WUNLOCK(inp);
7240 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
7241 if (sowriteable(inp->sctp_socket)) {
7242 sowwakeup_locked(inp->sctp_socket);
7244 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
7246 SCTP_INP_WLOCK(inp);
7248 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
7249 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
7250 SCTP_INP_WUNLOCK(inp);
7251 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
7252 if (soreadable(inp->sctp_socket)) {
7253 sctp_defered_wakeup_cnt++;
7254 sorwakeup_locked(inp->sctp_socket);
7256 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
7258 SCTP_INP_WLOCK(inp);
7260 SCTP_INP_WUNLOCK(inp);
7262 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
7263 SCTP_TCB_LOCK(stcb);
7264 sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,
7265 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_19);
7272 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
7274 struct sockaddr_in *sin;
7276 struct sctp_inpcb *inp;
7277 struct sctp_ifa *sctp_ifa;
7280 * Do the malloc first in case it blocks.
7282 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7285 sin->sin_family = AF_INET;
7286 sin->sin_len = sizeof(*sin);
7287 inp = (struct sctp_inpcb *)so->so_pcb;
7289 SCTP_FREE_SONAME(sin);
7290 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7291 return (ECONNRESET);
7293 SCTP_INP_RLOCK(inp);
7294 sin->sin_port = inp->sctp_lport;
7295 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
7296 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
7297 struct sctp_tcb *stcb;
7298 struct sockaddr_in *sin_a;
7299 struct sctp_nets *net;
7302 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7308 SCTP_TCB_LOCK(stcb);
7309 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7310 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7312 /* this will make coverity happy */
7315 if (sin_a->sin_family == AF_INET) {
7320 if ((!fnd) || (sin_a == NULL)) {
7322 SCTP_TCB_UNLOCK(stcb);
7325 vrf_id = inp->def_vrf_id;
7326 sctp_ifa = sctp_source_address_selection(inp,
7328 (sctp_route_t *) & net->ro,
7331 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
7332 sctp_free_ifa(sctp_ifa);
7334 SCTP_TCB_UNLOCK(stcb);
7336 /* For the bound all case you get back 0 */
7338 sin->sin_addr.s_addr = 0;
7342 /* Take the first IPv4 address in the list */
7343 struct sctp_laddr *laddr;
7346 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
7347 if (laddr->ifa->address.sa.sa_family == AF_INET) {
7348 struct sockaddr_in *sin_a;
7350 sin_a = &laddr->ifa->address.sin;
7351 sin->sin_addr = sin_a->sin_addr;
7357 SCTP_FREE_SONAME(sin);
7358 SCTP_INP_RUNLOCK(inp);
7359 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7363 SCTP_INP_RUNLOCK(inp);
7364 (*addr) = (struct sockaddr *)sin;
7369 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
7371 struct sockaddr_in *sin;
7373 struct sockaddr_in *sin_a;
7374 struct sctp_inpcb *inp;
7375 struct sctp_tcb *stcb;
7376 struct sctp_nets *net;
7378 /* Do the malloc first in case it blocks. */
7379 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
7382 sin->sin_family = AF_INET;
7383 sin->sin_len = sizeof(*sin);
7385 inp = (struct sctp_inpcb *)so->so_pcb;
7386 if ((inp == NULL) ||
7387 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
7388 /* UDP type and listeners will drop out here */
7389 SCTP_FREE_SONAME(sin);
7390 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
7393 SCTP_INP_RLOCK(inp);
7394 stcb = LIST_FIRST(&inp->sctp_asoc_list);
7396 SCTP_TCB_LOCK(stcb);
7398 SCTP_INP_RUNLOCK(inp);
7400 SCTP_FREE_SONAME(sin);
7401 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
7402 return (ECONNRESET);
7405 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
7406 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
7407 if (sin_a->sin_family == AF_INET) {
7409 sin->sin_port = stcb->rport;
7410 sin->sin_addr = sin_a->sin_addr;
7414 SCTP_TCB_UNLOCK(stcb);
7416 /* No IPv4 address */
7417 SCTP_FREE_SONAME(sin);
7418 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
7421 (*addr) = (struct sockaddr *)sin;
7425 struct pr_usrreqs sctp_usrreqs = {
7426 .pru_abort = sctp_abort,
7427 .pru_accept = sctp_accept,
7428 .pru_attach = sctp_attach,
7429 .pru_bind = sctp_bind,
7430 .pru_connect = sctp_connect,
7431 .pru_control = in_control,
7432 .pru_close = sctp_close,
7433 .pru_detach = sctp_close,
7434 .pru_sopoll = sopoll_generic,
7435 .pru_flush = sctp_flush,
7436 .pru_disconnect = sctp_disconnect,
7437 .pru_listen = sctp_listen,
7438 .pru_peeraddr = sctp_peeraddr,
7439 .pru_send = sctp_sendm,
7440 .pru_shutdown = sctp_shutdown,
7441 .pru_sockaddr = sctp_ingetaddr,
7442 .pru_sosend = sctp_sosend,
7443 .pru_soreceive = sctp_soreceive