2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions are met:
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31 /* $KAME: sctp_usrreq.c,v 1.48 2005/03/07 23:26:08 itojun Exp $ */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 #include <netinet/sctp_os.h>
37 #include <netinet/sctp_pcb.h>
38 #include <netinet/sctp_header.h>
39 #include <netinet/sctp_var.h>
41 #include <netinet6/sctp6_var.h>
43 #include <netinet/sctp_sysctl.h>
44 #include <netinet/sctp_output.h>
45 #include <netinet/sctp_uio.h>
46 #include <netinet/sctp_asconf.h>
47 #include <netinet/sctputil.h>
48 #include <netinet/sctp_indata.h>
49 #include <netinet/sctp_timer.h>
50 #include <netinet/sctp_auth.h>
51 #include <netinet/sctp_bsd_addr.h>
52 #include <netinet/sctp_cc_functions.h>
60 /* Init the SCTP pcb in sctp_pcb.c */
66 if ((nmbclusters / 8) > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
67 sctp_max_chunks_on_queue = (nmbclusters / 8);
69 * Allow a user to take no more than 1/2 the number of clusters or
70 * the SB_MAX whichever is smaller for the send window.
72 sb_max_adj = (u_long)((u_quad_t) (SB_MAX) * MCLBYTES / (MSIZE + MCLBYTES));
73 sctp_sendspace = min((min(SB_MAX, sb_max_adj)),
74 (((uint32_t) nmbclusters / 2) * SCTP_DEFAULT_MAXSEGMENT));
76 * Now for the recv window, should we take the same amount? or
77 * should I do 1/2 the SB_MAX instead in the SB_MAX min above. For
78 * now I will just copy.
80 sctp_recvspace = sctp_sendspace;
87 * cleanup of the sctppcbinfo structure.
88 * Assumes that the sctppcbinfo lock is held.
91 sctp_pcbinfo_cleanup(void)
93 /* free the hash tables */
94 if (sctppcbinfo.sctp_asochash != NULL)
95 SCTP_HASH_FREE(sctppcbinfo.sctp_asochash, sctppcbinfo.hashasocmark);
96 if (sctppcbinfo.sctp_ephash != NULL)
97 SCTP_HASH_FREE(sctppcbinfo.sctp_ephash, sctppcbinfo.hashmark);
98 if (sctppcbinfo.sctp_tcpephash != NULL)
99 SCTP_HASH_FREE(sctppcbinfo.sctp_tcpephash, sctppcbinfo.hashtcpmark);
100 if (sctppcbinfo.sctp_restarthash != NULL)
101 SCTP_HASH_FREE(sctppcbinfo.sctp_restarthash, sctppcbinfo.hashrestartmark);
106 sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
107 struct sctp_tcb *stcb,
108 struct sctp_nets *net,
111 struct sctp_tmit_chunk *chk;
113 /* Adjust that too */
114 stcb->asoc.smallest_mtu = nxtsz;
115 /* now off to subtract IP_DF flag if needed */
116 #ifdef SCTP_PRINT_FOR_B_AND_M
117 SCTP_PRINTF("sctp_pathmtu_adjust called inp:%p stcb:%p net:%p nxtsz:%d\n",
118 inp, stcb, net, nxtsz);
120 TAILQ_FOREACH(chk, &stcb->asoc.send_queue, sctp_next) {
121 if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
122 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
125 TAILQ_FOREACH(chk, &stcb->asoc.sent_queue, sctp_next) {
126 if ((chk->send_size + IP_HDR_SIZE) > nxtsz) {
128 * For this guy we also mark for immediate resend
129 * since we sent to big of chunk
131 chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
132 if (chk->sent != SCTP_DATAGRAM_RESEND) {
133 sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
135 chk->sent = SCTP_DATAGRAM_RESEND;
136 chk->rec.data.doing_fast_retransmit = 0;
137 if (sctp_logging_level & SCTP_FLIGHT_LOGGING_ENABLE) {
138 sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
139 chk->whoTo->flight_size,
141 (uintptr_t) chk->whoTo,
142 chk->rec.data.TSN_seq);
144 /* Clear any time so NO RTT is being done */
146 sctp_flight_size_decrease(chk);
147 sctp_total_flight_decrease(stcb, chk);
153 sctp_notify_mbuf(struct sctp_inpcb *inp,
154 struct sctp_tcb *stcb,
155 struct sctp_nets *net,
160 int totsz, tmr_stopped = 0;
164 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
165 (ip == NULL) || (sh == NULL)) {
167 SCTP_TCB_UNLOCK(stcb);
171 /* First job is to verify the vtag matches what I would send */
172 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
173 SCTP_TCB_UNLOCK(stcb);
176 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
178 if (icmph->icmp_type != ICMP_UNREACH) {
179 /* We only care about unreachable */
180 SCTP_TCB_UNLOCK(stcb);
183 if (icmph->icmp_code != ICMP_UNREACH_NEEDFRAG) {
184 /* not a unreachable message due to frag. */
185 SCTP_TCB_UNLOCK(stcb);
190 nxtsz = ntohs(icmph->icmp_nextmtu);
193 * old type router that does not tell us what the next size
194 * mtu is. Rats we will have to guess (in a educated fashion
197 nxtsz = find_next_best_mtu(totsz);
199 /* Stop any PMTU timer */
200 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
202 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
203 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_1);
205 /* Adjust destination size limit */
206 if (net->mtu > nxtsz) {
209 /* now what about the ep? */
210 if (stcb->asoc.smallest_mtu > nxtsz) {
211 #ifdef SCTP_PRINT_FOR_B_AND_M
212 SCTP_PRINTF("notify_mbuf (ICMP) calls sctp_pathmtu_adjust mtu:%d\n",
215 sctp_pathmtu_adjustment(inp, stcb, net, nxtsz);
218 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
220 SCTP_TCB_UNLOCK(stcb);
225 sctp_notify(struct sctp_inpcb *inp,
229 struct sctp_tcb *stcb,
230 struct sctp_nets *net)
232 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
241 if ((inp == NULL) || (stcb == NULL) || (net == NULL) ||
242 (sh == NULL) || (to == NULL)) {
244 SCTP_TCB_UNLOCK(stcb);
247 /* First job is to verify the vtag matches what I would send */
248 if (ntohl(sh->v_tag) != (stcb->asoc.peer_vtag)) {
249 SCTP_TCB_UNLOCK(stcb);
252 icmph = (struct icmp *)((caddr_t)ip - (sizeof(struct icmp) -
254 if (icmph->icmp_type != ICMP_UNREACH) {
255 /* We only care about unreachable */
256 SCTP_TCB_UNLOCK(stcb);
259 if ((icmph->icmp_code == ICMP_UNREACH_NET) ||
260 (icmph->icmp_code == ICMP_UNREACH_HOST) ||
261 (icmph->icmp_code == ICMP_UNREACH_NET_UNKNOWN) ||
262 (icmph->icmp_code == ICMP_UNREACH_HOST_UNKNOWN) ||
263 (icmph->icmp_code == ICMP_UNREACH_ISOLATED) ||
264 (icmph->icmp_code == ICMP_UNREACH_NET_PROHIB) ||
265 (icmph->icmp_code == ICMP_UNREACH_HOST_PROHIB) ||
266 (icmph->icmp_code == ICMP_UNREACH_FILTER_PROHIB)) {
269 * Hmm reachablity problems we must examine closely. If its
270 * not reachable, we may have lost a network. Or if there is
271 * NO protocol at the other end named SCTP. well we consider
274 if (net->dest_state & SCTP_ADDR_REACHABLE) {
275 /* Ok that destination is NOT reachable */
276 SCTP_PRINTF("ICMP (thresh %d/%d) takes interface %p down\n",
278 net->failure_threshold,
281 net->dest_state &= ~SCTP_ADDR_REACHABLE;
282 net->dest_state |= SCTP_ADDR_NOT_REACHABLE;
284 * JRS 5/14/07 - If a destination is unreachable,
285 * the PF bit is turned off. This allows an
286 * unambiguous use of the PF bit for destinations
287 * that are reachable but potentially failed. If the
288 * destination is set to the unreachable state, also
289 * set the destination to the PF state.
292 * Add debug message here if destination is not in
295 /* Stop any running T3 timers here? */
296 if (sctp_cmt_on_off && sctp_cmt_pf) {
297 net->dest_state &= ~SCTP_ADDR_PF;
298 SCTPDBG(SCTP_DEBUG_TIMER4, "Destination %p moved from PF to unreachable.\n",
301 net->error_count = net->failure_threshold + 1;
302 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN,
303 stcb, SCTP_FAILED_THRESHOLD,
304 (void *)net, SCTP_SO_NOT_LOCKED);
306 SCTP_TCB_UNLOCK(stcb);
307 } else if ((icmph->icmp_code == ICMP_UNREACH_PROTOCOL) ||
308 (icmph->icmp_code == ICMP_UNREACH_PORT)) {
310 * Here the peer is either playing tricks on us, including
311 * an address that belongs to someone who does not support
312 * SCTP OR was a userland implementation that shutdown and
313 * now is dead. In either case treat it like a OOTB abort
316 reason = SCTP_PEER_FAULTY;
317 sctp_abort_notification(stcb, reason, SCTP_SO_NOT_LOCKED);
318 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
319 so = SCTP_INP_SO(inp);
320 atomic_add_int(&stcb->asoc.refcnt, 1);
321 SCTP_TCB_UNLOCK(stcb);
322 SCTP_SOCKET_LOCK(so, 1);
324 atomic_subtract_int(&stcb->asoc.refcnt, 1);
326 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_2);
327 #if defined (__APPLE__) || defined(SCTP_SO_LOCK_TESTING)
328 SCTP_SOCKET_UNLOCK(so, 1);
329 /* SCTP_TCB_UNLOCK(stcb); MT: I think this is not needed. */
331 /* no need to unlock here, since the TCB is gone */
333 SCTP_TCB_UNLOCK(stcb);
338 sctp_ctlinput(cmd, sa, vip)
347 /* FIX, for non-bsd is this right? */
348 vrf_id = SCTP_DEFAULT_VRFID;
349 if (sa->sa_family != AF_INET ||
350 ((struct sockaddr_in *)sa)->sin_addr.s_addr == INADDR_ANY) {
353 if (PRC_IS_REDIRECT(cmd)) {
355 } else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) {
359 struct sctp_inpcb *inp = NULL;
360 struct sctp_tcb *stcb = NULL;
361 struct sctp_nets *net = NULL;
362 struct sockaddr_in to, from;
364 sh = (struct sctphdr *)((caddr_t)ip + (ip->ip_hl << 2));
365 bzero(&to, sizeof(to));
366 bzero(&from, sizeof(from));
367 from.sin_family = to.sin_family = AF_INET;
368 from.sin_len = to.sin_len = sizeof(to);
369 from.sin_port = sh->src_port;
370 from.sin_addr = ip->ip_src;
371 to.sin_port = sh->dest_port;
372 to.sin_addr = ip->ip_dst;
375 * 'to' holds the dest of the packet that failed to be sent.
376 * 'from' holds our local endpoint address. Thus we reverse
377 * the to and the from in the lookup.
379 stcb = sctp_findassociation_addr_sa((struct sockaddr *)&from,
380 (struct sockaddr *)&to,
381 &inp, &net, 1, vrf_id);
382 if (stcb != NULL && inp && (inp->sctp_socket != NULL)) {
383 if (cmd != PRC_MSGSIZE) {
384 sctp_notify(inp, ip, sh,
385 (struct sockaddr *)&to, stcb,
388 /* handle possible ICMP size messages */
389 sctp_notify_mbuf(inp, stcb, net, ip, sh);
392 if ((stcb == NULL) && (inp != NULL)) {
393 /* reduce ref-count */
395 SCTP_INP_DECR_REF(inp);
396 SCTP_INP_WUNLOCK(inp);
404 sctp_getcred(SYSCTL_HANDLER_ARGS)
407 struct sockaddr_in addrs[2];
408 struct sctp_inpcb *inp;
409 struct sctp_nets *net;
410 struct sctp_tcb *stcb;
414 /* FIX, for non-bsd is this right? */
415 vrf_id = SCTP_DEFAULT_VRFID;
417 error = priv_check(req->td, PRIV_NETINET_GETCRED);
422 error = SYSCTL_IN(req, addrs, sizeof(addrs));
426 stcb = sctp_findassociation_addr_sa(sintosa(&addrs[0]),
428 &inp, &net, 1, vrf_id);
429 if (stcb == NULL || inp == NULL || inp->sctp_socket == NULL) {
430 if ((inp != NULL) && (stcb == NULL)) {
431 /* reduce ref-count */
433 SCTP_INP_DECR_REF(inp);
436 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
440 SCTP_TCB_UNLOCK(stcb);
442 * We use the write lock here, only since in the error leg we need
443 * it. If we used RLOCK, then we would have to
444 * wlock/decr/unlock/rlock. Which in theory could create a hole.
445 * Better to use higher wlock.
449 error = cr_canseesocket(req->td->td_ucred, inp->sctp_socket);
451 SCTP_INP_WUNLOCK(inp);
454 cru2x(inp->sctp_socket->so_cred, &xuc);
455 SCTP_INP_WUNLOCK(inp);
456 error = SYSCTL_OUT(req, &xuc, sizeof(struct xucred));
461 SYSCTL_PROC(_net_inet_sctp, OID_AUTO, getcred, CTLTYPE_OPAQUE | CTLFLAG_RW,
462 0, 0, sctp_getcred, "S,ucred", "Get the ucred of a SCTP connection");
466 sctp_abort(struct socket *so)
468 struct sctp_inpcb *inp;
471 inp = (struct sctp_inpcb *)so->so_pcb;
476 flags = inp->sctp_flags;
477 #ifdef SCTP_LOG_CLOSING
478 sctp_log_closing(inp, NULL, 17);
480 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
481 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
482 #ifdef SCTP_LOG_CLOSING
483 sctp_log_closing(inp, NULL, 16);
485 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
486 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
488 SCTP_SB_CLEAR(so->so_snd);
490 * same for the rcv ones, they are only here for the
493 SCTP_SB_CLEAR(so->so_rcv);
495 /* Now null out the reference, we are completely detached. */
499 flags = inp->sctp_flags;
500 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
501 goto sctp_must_try_again;
508 sctp_attach(struct socket *so, int proto, struct thread *p)
510 struct sctp_inpcb *inp;
511 struct inpcb *ip_inp;
513 uint32_t vrf_id = SCTP_DEFAULT_VRFID;
519 inp = (struct sctp_inpcb *)so->so_pcb;
521 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
524 error = SCTP_SORESERVE(so, sctp_sendspace, sctp_recvspace);
528 error = sctp_inpcb_alloc(so, vrf_id);
532 inp = (struct sctp_inpcb *)so->so_pcb;
534 inp->sctp_flags &= ~SCTP_PCB_FLAGS_BOUND_V6; /* I'm not v6! */
535 ip_inp = &inp->ip_inp.inp;
536 ip_inp->inp_vflag |= INP_IPV4;
537 ip_inp->inp_ip_ttl = ip_defttl;
539 error = ipsec_init_policy(so, &ip_inp->inp_sp);
540 #ifdef SCTP_LOG_CLOSING
541 sctp_log_closing(inp, NULL, 17);
544 flags = inp->sctp_flags;
545 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
546 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
547 #ifdef SCTP_LOG_CLOSING
548 sctp_log_closing(inp, NULL, 15);
550 SCTP_INP_WUNLOCK(inp);
551 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
552 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
554 SCTP_INP_WUNLOCK(inp);
559 SCTP_INP_WUNLOCK(inp);
564 sctp_bind(struct socket *so, struct sockaddr *addr, struct thread *p)
566 struct sctp_inpcb *inp = NULL;
570 if (addr && addr->sa_family != AF_INET) {
571 /* must be a v4 address! */
572 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
576 if (addr && (addr->sa_len != sizeof(struct sockaddr_in))) {
577 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
580 inp = (struct sctp_inpcb *)so->so_pcb;
582 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
585 error = sctp_inpcb_bind(so, addr, NULL, p);
590 sctp_close(struct socket *so)
592 struct sctp_inpcb *inp;
595 inp = (struct sctp_inpcb *)so->so_pcb;
600 * Inform all the lower layer assoc that we are done.
603 flags = inp->sctp_flags;
604 #ifdef SCTP_LOG_CLOSING
605 sctp_log_closing(inp, NULL, 17);
607 if (((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) &&
608 (atomic_cmpset_int(&inp->sctp_flags, flags, (flags | SCTP_PCB_FLAGS_SOCKET_GONE | SCTP_PCB_FLAGS_CLOSE_IP)))) {
609 if (((so->so_options & SO_LINGER) && (so->so_linger == 0)) ||
610 (so->so_rcv.sb_cc > 0)) {
611 #ifdef SCTP_LOG_CLOSING
612 sctp_log_closing(inp, NULL, 13);
614 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_ABORT,
615 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
617 #ifdef SCTP_LOG_CLOSING
618 sctp_log_closing(inp, NULL, 14);
620 sctp_inpcb_free(inp, SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE,
621 SCTP_CALLED_AFTER_CMPSET_OFCLOSE);
624 * The socket is now detached, no matter what the state of
625 * the SCTP association.
628 SCTP_SB_CLEAR(so->so_snd);
630 * same for the rcv ones, they are only here for the
633 SCTP_SB_CLEAR(so->so_rcv);
635 /* Now null out the reference, we are completely detached. */
639 flags = inp->sctp_flags;
640 if ((flags & SCTP_PCB_FLAGS_SOCKET_GONE) == 0) {
641 goto sctp_must_try_again;
649 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
650 struct mbuf *control, struct thread *p);
654 sctp_sendm(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
655 struct mbuf *control, struct thread *p)
657 struct sctp_inpcb *inp;
660 inp = (struct sctp_inpcb *)so->so_pcb;
663 sctp_m_freem(control);
666 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
670 /* Got to have an to address if we are NOT a connected socket */
671 if ((addr == NULL) &&
672 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) ||
673 (inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE))
676 } else if (addr == NULL) {
677 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
678 error = EDESTADDRREQ;
681 sctp_m_freem(control);
687 if (addr->sa_family != AF_INET) {
688 /* must be a v4 address! */
689 SCTP_LTRACE_ERR_RET_PKT(m, inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDESTADDRREQ);
692 sctp_m_freem(control);
695 error = EDESTADDRREQ;
700 /* now what about control */
703 SCTP_PRINTF("huh? control set?\n");
704 sctp_m_freem(inp->control);
707 inp->control = control;
711 SCTP_BUF_NEXT(inp->pkt_last) = m;
714 inp->pkt_last = inp->pkt = m;
717 /* FreeBSD uses a flag passed */
718 ((flags & PRUS_MORETOCOME) == 0)
721 * note with the current version this code will only be used
722 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
723 * re-defining sosend to use the sctp_sosend. One can
724 * optionally switch back to this code (by changing back the
725 * definitions) but this is not advisable. This code is used
726 * by FreeBSD when sending a file with sendfile() though.
730 ret = sctp_output(inp, inp->pkt, addr, inp->control, p, flags);
740 sctp_disconnect(struct socket *so)
742 struct sctp_inpcb *inp;
744 inp = (struct sctp_inpcb *)so->so_pcb;
746 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
750 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
751 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
752 if (SCTP_LIST_EMPTY(&inp->sctp_asoc_list)) {
754 SCTP_INP_RUNLOCK(inp);
757 struct sctp_association *asoc;
758 struct sctp_tcb *stcb;
760 stcb = LIST_FIRST(&inp->sctp_asoc_list);
762 SCTP_INP_RUNLOCK(inp);
763 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
768 if (stcb->asoc.state & SCTP_STATE_ABOUT_TO_BE_FREED) {
769 /* We are about to be freed, out of here */
770 SCTP_TCB_UNLOCK(stcb);
771 SCTP_INP_RUNLOCK(inp);
774 if (((so->so_options & SO_LINGER) &&
775 (so->so_linger == 0)) ||
776 (so->so_rcv.sb_cc > 0)) {
777 if (SCTP_GET_STATE(asoc) !=
778 SCTP_STATE_COOKIE_WAIT) {
779 /* Left with Data unread */
782 err = sctp_get_mbuf_for_msg(sizeof(struct sctp_paramhdr), 0, M_DONTWAIT, 1, MT_DATA);
788 struct sctp_paramhdr *ph;
790 ph = mtod(err, struct sctp_paramhdr *);
791 SCTP_BUF_LEN(err) = sizeof(struct sctp_paramhdr);
792 ph->param_type = htons(SCTP_CAUSE_USER_INITIATED_ABT);
793 ph->param_length = htons(SCTP_BUF_LEN(err));
795 #if defined(SCTP_PANIC_ON_ABORT)
796 panic("disconnect does an abort");
798 sctp_send_abort_tcb(stcb, err, SCTP_SO_LOCKED);
799 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
801 SCTP_INP_RUNLOCK(inp);
802 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
803 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
804 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
806 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_3);
807 /* No unlock tcb assoc is gone */
810 if (TAILQ_EMPTY(&asoc->send_queue) &&
811 TAILQ_EMPTY(&asoc->sent_queue) &&
812 (asoc->stream_queue_cnt == 0)) {
813 /* there is nothing queued to send, so done */
814 if (asoc->locked_on_sending) {
817 if ((SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) &&
818 (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_ACK_SENT)) {
819 /* only send SHUTDOWN 1st time thru */
820 sctp_stop_timers_for_shutdown(stcb);
821 sctp_send_shutdown(stcb,
822 stcb->asoc.primary_destination);
823 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
824 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
825 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
826 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
828 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
829 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
830 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
832 asoc->primary_destination);
833 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
835 asoc->primary_destination);
839 * we still got (or just got) data to send,
840 * so set SHUTDOWN_PENDING
843 * XXX sockets draft says that SCTP_EOF
844 * should be sent with no data. currently,
845 * we will allow user data to be sent first
846 * and move to SHUTDOWN-PENDING
848 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
849 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
850 asoc->primary_destination);
851 if (asoc->locked_on_sending) {
852 /* Locked to send out the data */
853 struct sctp_stream_queue_pending *sp;
855 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
857 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
858 asoc->locked_on_sending->stream_no);
860 if ((sp->length == 0) && (sp->msg_is_complete == 0))
861 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
864 if (TAILQ_EMPTY(&asoc->send_queue) &&
865 TAILQ_EMPTY(&asoc->sent_queue) &&
866 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
870 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
871 0, M_DONTWAIT, 1, MT_DATA);
877 struct sctp_paramhdr *ph;
880 SCTP_BUF_LEN(op_err) =
881 (sizeof(struct sctp_paramhdr) + sizeof(uint32_t));
883 struct sctp_paramhdr *);
884 ph->param_type = htons(
885 SCTP_CAUSE_USER_INITIATED_ABT);
886 ph->param_length = htons(SCTP_BUF_LEN(op_err));
887 ippp = (uint32_t *) (ph + 1);
888 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4);
890 #if defined(SCTP_PANIC_ON_ABORT)
891 panic("disconnect does an abort");
894 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_4;
895 sctp_send_abort_tcb(stcb, op_err, SCTP_SO_LOCKED);
896 SCTP_STAT_INCR_COUNTER32(sctps_aborted);
897 if ((SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_OPEN) ||
898 (SCTP_GET_STATE(&stcb->asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
899 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
901 SCTP_INP_RUNLOCK(inp);
902 (void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_5);
905 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
908 SCTP_TCB_UNLOCK(stcb);
909 SCTP_INP_RUNLOCK(inp);
914 /* UDP model does not support this */
915 SCTP_INP_RUNLOCK(inp);
916 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
922 sctp_shutdown(struct socket *so)
924 struct sctp_inpcb *inp;
926 inp = (struct sctp_inpcb *)so->so_pcb;
928 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
932 /* For UDP model this is a invalid call */
933 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
934 /* Restore the flags that the soshutdown took away. */
935 so->so_rcv.sb_state &= ~SBS_CANTRCVMORE;
936 /* This proc will wakeup for read and do nothing (I hope) */
937 SCTP_INP_RUNLOCK(inp);
938 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
942 * Ok if we reach here its the TCP model and it is either a SHUT_WR
943 * or SHUT_RDWR. This means we put the shutdown flag against it.
946 struct sctp_tcb *stcb;
947 struct sctp_association *asoc;
951 stcb = LIST_FIRST(&inp->sctp_asoc_list);
954 * Ok we hit the case that the shutdown call was
955 * made after an abort or something. Nothing to do
958 SCTP_INP_RUNLOCK(inp);
963 if (TAILQ_EMPTY(&asoc->send_queue) &&
964 TAILQ_EMPTY(&asoc->sent_queue) &&
965 (asoc->stream_queue_cnt == 0)) {
966 if (asoc->locked_on_sending) {
969 /* there is nothing queued to send, so I'm done... */
970 if (SCTP_GET_STATE(asoc) != SCTP_STATE_SHUTDOWN_SENT) {
971 /* only send SHUTDOWN the first time through */
972 sctp_stop_timers_for_shutdown(stcb);
973 sctp_send_shutdown(stcb,
974 stcb->asoc.primary_destination);
975 sctp_chunk_output(stcb->sctp_ep, stcb, SCTP_OUTPUT_FROM_T3, SCTP_SO_LOCKED);
976 if ((SCTP_GET_STATE(asoc) == SCTP_STATE_OPEN) ||
977 (SCTP_GET_STATE(asoc) == SCTP_STATE_SHUTDOWN_RECEIVED)) {
978 SCTP_STAT_DECR_GAUGE32(sctps_currestab);
980 SCTP_SET_STATE(asoc, SCTP_STATE_SHUTDOWN_SENT);
981 SCTP_CLEAR_SUBSTATE(asoc, SCTP_STATE_SHUTDOWN_PENDING);
982 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN,
984 asoc->primary_destination);
985 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD,
987 asoc->primary_destination);
991 * we still got (or just got) data to send, so set
994 asoc->state |= SCTP_STATE_SHUTDOWN_PENDING;
995 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD, stcb->sctp_ep, stcb,
996 asoc->primary_destination);
998 if (asoc->locked_on_sending) {
999 /* Locked to send out the data */
1000 struct sctp_stream_queue_pending *sp;
1002 sp = TAILQ_LAST(&asoc->locked_on_sending->outqueue, sctp_streamhead);
1004 SCTP_PRINTF("Error, sp is NULL, locked on sending is non-null strm:%d\n",
1005 asoc->locked_on_sending->stream_no);
1007 if ((sp->length == 0) && (sp->msg_is_complete == 0)) {
1008 asoc->state |= SCTP_STATE_PARTIAL_MSG_LEFT;
1012 if (TAILQ_EMPTY(&asoc->send_queue) &&
1013 TAILQ_EMPTY(&asoc->sent_queue) &&
1014 (asoc->state & SCTP_STATE_PARTIAL_MSG_LEFT)) {
1015 struct mbuf *op_err;
1018 op_err = sctp_get_mbuf_for_msg((sizeof(struct sctp_paramhdr) + sizeof(uint32_t)),
1019 0, M_DONTWAIT, 1, MT_DATA);
1021 /* Fill in the user initiated abort */
1022 struct sctp_paramhdr *ph;
1025 SCTP_BUF_LEN(op_err) =
1026 sizeof(struct sctp_paramhdr) + sizeof(uint32_t);
1028 struct sctp_paramhdr *);
1029 ph->param_type = htons(
1030 SCTP_CAUSE_USER_INITIATED_ABT);
1031 ph->param_length = htons(SCTP_BUF_LEN(op_err));
1032 ippp = (uint32_t *) (ph + 1);
1033 *ippp = htonl(SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6);
1035 #if defined(SCTP_PANIC_ON_ABORT)
1036 panic("shutdown does an abort");
1038 stcb->sctp_ep->last_abort_code = SCTP_FROM_SCTP_USRREQ + SCTP_LOC_6;
1039 sctp_abort_an_association(stcb->sctp_ep, stcb,
1040 SCTP_RESPONSE_TO_USER_REQ,
1041 op_err, SCTP_SO_LOCKED);
1044 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_CLOSING, SCTP_SO_LOCKED);
1047 SCTP_TCB_UNLOCK(stcb);
1050 SCTP_INP_RUNLOCK(inp);
1055 * copies a "user" presentable address and removes embedded scope, etc.
1056 * returns 0 on success, 1 on error
1059 sctp_fill_user_address(struct sockaddr_storage *ss, struct sockaddr *sa)
1061 struct sockaddr_in6 lsa6;
1063 sa = (struct sockaddr *)sctp_recover_scope((struct sockaddr_in6 *)sa,
1065 memcpy(ss, sa, sa->sa_len);
1072 * NOTE: assumes addr lock is held
1075 sctp_fill_up_addresses_vrf(struct sctp_inpcb *inp,
1076 struct sctp_tcb *stcb,
1078 struct sockaddr_storage *sas,
1081 struct sctp_ifn *sctp_ifn;
1082 struct sctp_ifa *sctp_ifa;
1083 int loopback_scope, ipv4_local_scope, local_scope, site_scope;
1085 int ipv4_addr_legal, ipv6_addr_legal;
1086 struct sctp_vrf *vrf;
1093 /* Turn on all the appropriate scope */
1094 loopback_scope = stcb->asoc.loopback_scope;
1095 ipv4_local_scope = stcb->asoc.ipv4_local_scope;
1096 local_scope = stcb->asoc.local_scope;
1097 site_scope = stcb->asoc.site_scope;
1099 /* Turn on ALL scope, since we look at the EP */
1100 loopback_scope = ipv4_local_scope = local_scope =
1103 ipv4_addr_legal = ipv6_addr_legal = 0;
1104 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1105 ipv6_addr_legal = 1;
1106 if (SCTP_IPV6_V6ONLY(inp) == 0) {
1107 ipv4_addr_legal = 1;
1110 ipv4_addr_legal = 1;
1112 vrf = sctp_find_vrf(vrf_id);
1116 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1117 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1118 if ((loopback_scope == 0) &&
1119 SCTP_IFN_IS_IFT_LOOP(sctp_ifn)) {
1120 /* Skip loopback if loopback_scope not set */
1123 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1126 * For the BOUND-ALL case, the list
1127 * associated with a TCB is Always
1128 * considered a reverse list.. i.e.
1129 * it lists addresses that are NOT
1130 * part of the association. If this
1131 * is one of those we must skip it.
1133 if (sctp_is_addr_restricted(stcb,
1138 if ((sctp_ifa->address.sa.sa_family == AF_INET) &&
1139 (ipv4_addr_legal)) {
1140 struct sockaddr_in *sin;
1142 sin = (struct sockaddr_in *)&sctp_ifa->address.sa;
1143 if (sin->sin_addr.s_addr == 0) {
1145 * we skip unspecifed
1150 if ((ipv4_local_scope == 0) &&
1151 (IN4_ISPRIVATE_ADDRESS(&sin->sin_addr))) {
1154 if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) {
1155 in6_sin_2_v4mapsin6(sin, (struct sockaddr_in6 *)sas);
1156 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1157 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(struct sockaddr_in6));
1158 actual += sizeof(struct sockaddr_in6);
1160 memcpy(sas, sin, sizeof(*sin));
1161 ((struct sockaddr_in *)sas)->sin_port = inp->sctp_lport;
1162 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin));
1163 actual += sizeof(*sin);
1165 if (actual >= limit) {
1168 } else if ((sctp_ifa->address.sa.sa_family == AF_INET6) &&
1169 (ipv6_addr_legal)) {
1170 struct sockaddr_in6 *sin6;
1172 sin6 = (struct sockaddr_in6 *)&sctp_ifa->address.sa;
1173 if (IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
1175 * we skip unspecifed
1180 if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
1181 if (local_scope == 0)
1183 if (sin6->sin6_scope_id == 0) {
1184 if (sa6_recoverscope(sin6) != 0)
1193 if ((site_scope == 0) &&
1194 (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))) {
1197 memcpy(sas, sin6, sizeof(*sin6));
1198 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1199 sas = (struct sockaddr_storage *)((caddr_t)sas + sizeof(*sin6));
1200 actual += sizeof(*sin6);
1201 if (actual >= limit) {
1208 struct sctp_laddr *laddr;
1210 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1212 if (sctp_is_addr_restricted(stcb, laddr->ifa)) {
1216 if (sctp_fill_user_address(sas, &laddr->ifa->address.sa))
1219 ((struct sockaddr_in6 *)sas)->sin6_port = inp->sctp_lport;
1220 sas = (struct sockaddr_storage *)((caddr_t)sas +
1221 laddr->ifa->address.sa.sa_len);
1222 actual += laddr->ifa->address.sa.sa_len;
1223 if (actual >= limit) {
1232 sctp_fill_up_addresses(struct sctp_inpcb *inp,
1233 struct sctp_tcb *stcb,
1235 struct sockaddr_storage *sas)
1239 SCTP_IPI_ADDR_RLOCK();
1240 /* fill up addresses for the endpoint's default vrf */
1241 size = sctp_fill_up_addresses_vrf(inp, stcb, limit, sas,
1243 SCTP_IPI_ADDR_RUNLOCK();
1248 * NOTE: assumes addr lock is held
1251 sctp_count_max_addresses_vrf(struct sctp_inpcb *inp, uint32_t vrf_id)
1254 struct sctp_vrf *vrf = NULL;
1257 * In both sub-set bound an bound_all cases we return the MAXIMUM
1258 * number of addresses that you COULD get. In reality the sub-set
1259 * bound may have an exclusion list for a given TCB OR in the
1260 * bound-all case a TCB may NOT include the loopback or other
1261 * addresses as well.
1263 vrf = sctp_find_vrf(vrf_id);
1267 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1268 struct sctp_ifn *sctp_ifn;
1269 struct sctp_ifa *sctp_ifa;
1271 LIST_FOREACH(sctp_ifn, &vrf->ifnlist, next_ifn) {
1272 LIST_FOREACH(sctp_ifa, &sctp_ifn->ifalist, next_ifa) {
1273 /* Count them if they are the right type */
1274 if (sctp_ifa->address.sa.sa_family == AF_INET) {
1275 if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
1276 cnt += sizeof(struct sockaddr_in6);
1278 cnt += sizeof(struct sockaddr_in);
1280 } else if (sctp_ifa->address.sa.sa_family == AF_INET6)
1281 cnt += sizeof(struct sockaddr_in6);
1285 struct sctp_laddr *laddr;
1287 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
1288 if (laddr->ifa->address.sa.sa_family == AF_INET) {
1289 if (inp->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4)
1290 cnt += sizeof(struct sockaddr_in6);
1292 cnt += sizeof(struct sockaddr_in);
1294 } else if (laddr->ifa->address.sa.sa_family == AF_INET6)
1295 cnt += sizeof(struct sockaddr_in6);
1302 sctp_count_max_addresses(struct sctp_inpcb *inp)
1306 SCTP_IPI_ADDR_RLOCK();
1307 /* count addresses for the endpoint's default VRF */
1308 cnt = sctp_count_max_addresses_vrf(inp, inp->def_vrf_id);
1309 SCTP_IPI_ADDR_RUNLOCK();
1314 sctp_do_connect_x(struct socket *so, struct sctp_inpcb *inp, void *optval,
1315 size_t optsize, void *p, int delay)
1318 int creat_lock_on = 0;
1319 struct sctp_tcb *stcb = NULL;
1320 struct sockaddr *sa;
1321 int num_v6 = 0, num_v4 = 0, *totaddrp, totaddr;
1324 int bad_addresses = 0;
1327 SCTPDBG(SCTP_DEBUG_PCB1, "Connectx called\n");
1329 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
1330 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
1331 /* We are already connected AND the TCP model */
1332 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
1333 return (EADDRINUSE);
1335 if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
1336 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1339 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
1340 SCTP_INP_RLOCK(inp);
1341 stcb = LIST_FIRST(&inp->sctp_asoc_list);
1342 SCTP_INP_RUNLOCK(inp);
1345 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1348 SCTP_INP_INCR_REF(inp);
1349 SCTP_ASOC_CREATE_LOCK(inp);
1351 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
1352 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
1353 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
1357 totaddrp = (int *)optval;
1358 totaddr = *totaddrp;
1359 sa = (struct sockaddr *)(totaddrp + 1);
1360 stcb = sctp_connectx_helper_find(inp, sa, &totaddr, &num_v4, &num_v6, &error, (optsize - sizeof(int)), &bad_addresses);
1361 if ((stcb != NULL) || bad_addresses) {
1362 /* Already have or am bring up an association */
1363 SCTP_ASOC_CREATE_UNLOCK(inp);
1366 SCTP_TCB_UNLOCK(stcb);
1367 if (bad_addresses == 0) {
1368 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
1374 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
1379 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
1381 struct in6pcb *inp6;
1383 inp6 = (struct in6pcb *)inp;
1384 if (SCTP_IPV6_V6ONLY(inp6)) {
1386 * if IPV6_V6ONLY flag, ignore connections destined
1387 * to a v4 addr or v4-mapped addr
1389 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1395 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
1396 SCTP_PCB_FLAGS_UNBOUND) {
1397 /* Bind a ephemeral port */
1398 error = sctp_inpcb_bind(so, NULL, NULL, p);
1403 /* FIX ME: do we want to pass in a vrf on the connect call? */
1404 vrf_id = inp->def_vrf_id;
1406 /* We are GOOD to go */
1407 stcb = sctp_aloc_assoc(inp, sa, 1, &error, 0, vrf_id,
1411 /* Gak! no memory */
1414 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
1415 /* move to second address */
1416 if (sa->sa_family == AF_INET)
1417 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in));
1419 sa = (struct sockaddr *)((caddr_t)sa + sizeof(struct sockaddr_in6));
1422 added = sctp_connectx_helper_add(stcb, sa, (totaddr - 1), &error);
1423 /* Fill in the return id */
1425 (void)sctp_free_assoc(inp, stcb, SCTP_PCBFREE_FORCE, SCTP_FROM_SCTP_USRREQ + SCTP_LOC_12);
1428 a_id = (sctp_assoc_t *) optval;
1429 *a_id = sctp_get_associd(stcb);
1431 /* initialize authentication parameters for the assoc */
1432 sctp_initialize_auth_params(inp, stcb);
1435 /* doing delayed connection */
1436 stcb->asoc.delayed_connection = 1;
1437 sctp_timer_start(SCTP_TIMER_TYPE_INIT, inp, stcb, stcb->asoc.primary_destination);
1439 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
1440 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
1442 SCTP_TCB_UNLOCK(stcb);
1443 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
1444 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
1445 /* Set the connected flag so we can queue data */
1449 if (creat_lock_on) {
1450 SCTP_ASOC_CREATE_UNLOCK(inp);
1452 SCTP_INP_DECR_REF(inp);
1456 #define SCTP_FIND_STCB(inp, stcb, assoc_id) { \
1457 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||\
1458 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) { \
1459 SCTP_INP_RLOCK(inp); \
1460 stcb = LIST_FIRST(&inp->sctp_asoc_list); \
1462 SCTP_TCB_LOCK(stcb); \
1464 SCTP_INP_RUNLOCK(inp); \
1465 } else if (assoc_id != 0) { \
1466 stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1); \
1467 if (stcb == NULL) { \
1468 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT); \
1478 #define SCTP_CHECK_AND_CAST(destp, srcp, type, size) {\
1479 if (size < sizeof(type)) { \
1480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL); \
1484 destp = (type *)srcp; \
1489 sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
1492 struct sctp_inpcb *inp = NULL;
1494 struct sctp_tcb *stcb = NULL;
1496 if (optval == NULL) {
1497 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1500 inp = (struct sctp_inpcb *)so->so_pcb;
1502 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1509 case SCTP_AUTOCLOSE:
1510 case SCTP_EXPLICIT_EOR:
1511 case SCTP_AUTO_ASCONF:
1512 case SCTP_DISABLE_FRAGMENTS:
1513 case SCTP_I_WANT_MAPPED_V4_ADDR:
1514 case SCTP_USE_EXT_RCVINFO:
1515 SCTP_INP_RLOCK(inp);
1517 case SCTP_DISABLE_FRAGMENTS:
1518 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NO_FRAGMENT);
1520 case SCTP_I_WANT_MAPPED_V4_ADDR:
1521 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NEEDS_MAPPED_V4);
1523 case SCTP_AUTO_ASCONF:
1524 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
1525 /* only valid for bound all sockets */
1526 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTO_ASCONF);
1528 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1533 case SCTP_EXPLICIT_EOR:
1534 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXPLICIT_EOR);
1537 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_NODELAY);
1539 case SCTP_USE_EXT_RCVINFO:
1540 val = sctp_is_feature_on(inp, SCTP_PCB_FLAGS_EXT_RCVINFO);
1542 case SCTP_AUTOCLOSE:
1543 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE))
1544 val = TICKS_TO_SEC(inp->sctp_ep.auto_close_time);
1550 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1551 error = ENOPROTOOPT;
1552 } /* end switch (sopt->sopt_name) */
1553 if (optname != SCTP_AUTOCLOSE) {
1554 /* make it an "on/off" value */
1557 if (*optsize < sizeof(val)) {
1558 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
1562 SCTP_INP_RUNLOCK(inp);
1564 /* return the option value */
1565 *(int *)optval = val;
1566 *optsize = sizeof(val);
1569 case SCTP_GET_PACKET_LOG:
1571 #ifdef SCTP_PACKET_LOGGING
1575 SCTP_CHECK_AND_CAST(target, optval, uint8_t, *optsize);
1576 ret = sctp_copy_out_packet_log(target, (int)*optsize);
1579 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1584 case SCTP_PARTIAL_DELIVERY_POINT:
1588 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1589 *value = inp->partial_delivery_point;
1590 *optsize = sizeof(uint32_t);
1593 case SCTP_FRAGMENT_INTERLEAVE:
1597 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1598 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE)) {
1599 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS)) {
1600 *value = SCTP_FRAG_LEVEL_2;
1602 *value = SCTP_FRAG_LEVEL_1;
1605 *value = SCTP_FRAG_LEVEL_0;
1607 *optsize = sizeof(uint32_t);
1610 case SCTP_CMT_ON_OFF:
1612 struct sctp_assoc_value *av;
1614 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1615 if (sctp_cmt_on_off) {
1616 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1618 av->assoc_value = stcb->asoc.sctp_cmt_on_off;
1619 SCTP_TCB_UNLOCK(stcb);
1622 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1626 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
1627 error = ENOPROTOOPT;
1629 *optsize = sizeof(*av);
1632 /* JRS - Get socket option for pluggable congestion control */
1633 case SCTP_PLUGGABLE_CC:
1635 struct sctp_assoc_value *av;
1637 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1638 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1640 av->assoc_value = stcb->asoc.congestion_control_module;
1641 SCTP_TCB_UNLOCK(stcb);
1643 av->assoc_value = inp->sctp_ep.sctp_default_cc_module;
1645 *optsize = sizeof(*av);
1648 case SCTP_GET_ADDR_LEN:
1650 struct sctp_assoc_value *av;
1652 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1655 if (av->assoc_value == AF_INET) {
1656 av->assoc_value = sizeof(struct sockaddr_in);
1661 if (av->assoc_value == AF_INET6) {
1662 av->assoc_value = sizeof(struct sockaddr_in6);
1667 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1669 *optsize = sizeof(*av);
1672 case SCTP_GET_ASSOC_NUMBER:
1674 uint32_t *value, cnt;
1676 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1678 SCTP_INP_RLOCK(inp);
1679 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1682 SCTP_INP_RUNLOCK(inp);
1684 *optsize = sizeof(uint32_t);
1688 case SCTP_GET_ASSOC_ID_LIST:
1690 struct sctp_assoc_ids *ids;
1691 unsigned int at, limit;
1693 SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
1695 limit = *optsize / sizeof(sctp_assoc_t);
1696 SCTP_INP_RLOCK(inp);
1697 LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
1699 ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);
1702 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1706 SCTP_INP_RUNLOCK(inp);
1707 *optsize = at * sizeof(sctp_assoc_t);
1712 struct sctp_assoc_value *av;
1714 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1715 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1718 av->assoc_value = stcb->asoc.context;
1719 SCTP_TCB_UNLOCK(stcb);
1721 SCTP_INP_RLOCK(inp);
1722 av->assoc_value = inp->sctp_context;
1723 SCTP_INP_RUNLOCK(inp);
1725 *optsize = sizeof(*av);
1730 uint32_t *default_vrfid;
1732 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, *optsize);
1733 *default_vrfid = inp->def_vrf_id;
1736 case SCTP_GET_ASOC_VRF:
1738 struct sctp_assoc_value *id;
1740 SCTP_CHECK_AND_CAST(id, optval, struct sctp_assoc_value, *optsize);
1741 SCTP_FIND_STCB(inp, stcb, id->assoc_id);
1744 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
1747 id->assoc_value = stcb->asoc.vrf_id;
1750 case SCTP_GET_VRF_IDS:
1752 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
1756 case SCTP_GET_NONCE_VALUES:
1758 struct sctp_get_nonce_values *gnv;
1760 SCTP_CHECK_AND_CAST(gnv, optval, struct sctp_get_nonce_values, *optsize);
1761 SCTP_FIND_STCB(inp, stcb, gnv->gn_assoc_id);
1764 gnv->gn_peers_tag = stcb->asoc.peer_vtag;
1765 gnv->gn_local_tag = stcb->asoc.my_vtag;
1766 SCTP_TCB_UNLOCK(stcb);
1768 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1771 *optsize = sizeof(*gnv);
1774 case SCTP_DELAYED_SACK:
1776 struct sctp_sack_info *sack;
1778 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, *optsize);
1779 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
1781 sack->sack_delay = stcb->asoc.delayed_ack;
1782 sack->sack_freq = stcb->asoc.sack_freq;
1783 SCTP_TCB_UNLOCK(stcb);
1785 SCTP_INP_RLOCK(inp);
1786 sack->sack_delay = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV]);
1787 sack->sack_freq = inp->sctp_ep.sctp_sack_freq;
1788 SCTP_INP_RUNLOCK(inp);
1790 *optsize = sizeof(*sack);
1794 case SCTP_GET_SNDBUF_USE:
1796 struct sctp_sockstat *ss;
1798 SCTP_CHECK_AND_CAST(ss, optval, struct sctp_sockstat, *optsize);
1799 SCTP_FIND_STCB(inp, stcb, ss->ss_assoc_id);
1802 ss->ss_total_sndbuf = stcb->asoc.total_output_queue_size;
1803 ss->ss_total_recv_buf = (stcb->asoc.size_on_reasm_queue +
1804 stcb->asoc.size_on_all_streams);
1805 SCTP_TCB_UNLOCK(stcb);
1807 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1810 *optsize = sizeof(struct sctp_sockstat);
1813 case SCTP_MAX_BURST:
1817 SCTP_CHECK_AND_CAST(value, optval, uint8_t, *optsize);
1819 SCTP_INP_RLOCK(inp);
1820 *value = inp->sctp_ep.max_burst;
1821 SCTP_INP_RUNLOCK(inp);
1822 *optsize = sizeof(uint8_t);
1827 struct sctp_assoc_value *av;
1830 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, *optsize);
1831 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
1834 av->assoc_value = sctp_get_frag_point(stcb, &stcb->asoc);
1835 SCTP_TCB_UNLOCK(stcb);
1837 SCTP_INP_RLOCK(inp);
1838 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
1839 ovh = SCTP_MED_OVERHEAD;
1841 ovh = SCTP_MED_V4_OVERHEAD;
1843 if (inp->sctp_frag_point >= SCTP_DEFAULT_MAXSEGMENT)
1844 av->assoc_value = 0;
1846 av->assoc_value = inp->sctp_frag_point - ovh;
1847 SCTP_INP_RUNLOCK(inp);
1849 *optsize = sizeof(struct sctp_assoc_value);
1852 case SCTP_GET_STAT_LOG:
1853 error = sctp_fill_stat_log(optval, optsize);
1857 struct sctp_event_subscribe *events;
1859 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, *optsize);
1860 memset(events, 0, sizeof(*events));
1861 SCTP_INP_RLOCK(inp);
1862 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT))
1863 events->sctp_data_io_event = 1;
1865 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT))
1866 events->sctp_association_event = 1;
1868 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT))
1869 events->sctp_address_event = 1;
1871 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT))
1872 events->sctp_send_failure_event = 1;
1874 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR))
1875 events->sctp_peer_error_event = 1;
1877 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT))
1878 events->sctp_shutdown_event = 1;
1880 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT))
1881 events->sctp_partial_delivery_event = 1;
1883 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT))
1884 events->sctp_adaptation_layer_event = 1;
1886 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT))
1887 events->sctp_authentication_event = 1;
1889 if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT))
1890 events->sctp_stream_reset_events = 1;
1891 SCTP_INP_RUNLOCK(inp);
1892 *optsize = sizeof(struct sctp_event_subscribe);
1896 case SCTP_ADAPTATION_LAYER:
1900 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1902 SCTP_INP_RLOCK(inp);
1903 *value = inp->sctp_ep.adaptation_layer_indicator;
1904 SCTP_INP_RUNLOCK(inp);
1905 *optsize = sizeof(uint32_t);
1908 case SCTP_SET_INITIAL_DBG_SEQ:
1912 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1913 SCTP_INP_RLOCK(inp);
1914 *value = inp->sctp_ep.initial_sequence_debug;
1915 SCTP_INP_RUNLOCK(inp);
1916 *optsize = sizeof(uint32_t);
1919 case SCTP_GET_LOCAL_ADDR_SIZE:
1923 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1924 SCTP_INP_RLOCK(inp);
1925 *value = sctp_count_max_addresses(inp);
1926 SCTP_INP_RUNLOCK(inp);
1927 *optsize = sizeof(uint32_t);
1930 case SCTP_GET_REMOTE_ADDR_SIZE:
1934 struct sctp_nets *net;
1936 SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
1937 /* FIXME MT: change to sctp_assoc_value? */
1938 SCTP_FIND_STCB(inp, stcb, (sctp_assoc_t) * value);
1942 /* Count the sizes */
1943 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
1944 if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
1945 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
1946 size += sizeof(struct sockaddr_in6);
1947 } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
1948 size += sizeof(struct sockaddr_in);
1954 SCTP_TCB_UNLOCK(stcb);
1955 *value = (uint32_t) size;
1957 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
1960 *optsize = sizeof(uint32_t);
1963 case SCTP_GET_PEER_ADDRESSES:
1965 * Get the address information, an array is passed in to
1966 * fill up we pack it.
1970 struct sockaddr_storage *sas;
1971 struct sctp_nets *net;
1972 struct sctp_getaddresses *saddr;
1974 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
1975 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
1978 left = (*optsize) - sizeof(struct sctp_getaddresses);
1979 *optsize = sizeof(struct sctp_getaddresses);
1980 sas = (struct sockaddr_storage *)&saddr->addr[0];
1982 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
1983 if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) ||
1984 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET6)) {
1985 cpsz = sizeof(struct sockaddr_in6);
1986 } else if (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET) {
1987 cpsz = sizeof(struct sockaddr_in);
1993 /* not enough room. */
1996 if ((stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_NEEDS_MAPPED_V4) &&
1997 (((struct sockaddr *)&net->ro._l_addr)->sa_family == AF_INET)) {
1998 /* Must map the address */
1999 in6_sin_2_v4mapsin6((struct sockaddr_in *)&net->ro._l_addr,
2000 (struct sockaddr_in6 *)sas);
2002 memcpy(sas, &net->ro._l_addr, cpsz);
2004 ((struct sockaddr_in *)sas)->sin_port = stcb->rport;
2006 sas = (struct sockaddr_storage *)((caddr_t)sas + cpsz);
2010 SCTP_TCB_UNLOCK(stcb);
2012 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2017 case SCTP_GET_LOCAL_ADDRESSES:
2019 size_t limit, actual;
2020 struct sockaddr_storage *sas;
2021 struct sctp_getaddresses *saddr;
2023 SCTP_CHECK_AND_CAST(saddr, optval, struct sctp_getaddresses, *optsize);
2024 SCTP_FIND_STCB(inp, stcb, saddr->sget_assoc_id);
2026 sas = (struct sockaddr_storage *)&saddr->addr[0];
2027 limit = *optsize - sizeof(sctp_assoc_t);
2028 actual = sctp_fill_up_addresses(inp, stcb, limit, sas);
2030 SCTP_TCB_UNLOCK(stcb);
2032 *optsize = sizeof(struct sockaddr_storage) + actual;
2035 case SCTP_PEER_ADDR_PARAMS:
2037 struct sctp_paddrparams *paddrp;
2038 struct sctp_nets *net;
2040 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, *optsize);
2041 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
2045 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
2048 * We increment here since
2049 * sctp_findassociation_ep_addr() wil do a
2050 * decrement if it finds the stcb as long as
2051 * the locked tcb (last argument) is NOT a
2054 SCTP_INP_INCR_REF(inp);
2055 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddrp->spp_address, &net, NULL, NULL);
2057 SCTP_INP_DECR_REF(inp);
2060 if (stcb && (net == NULL)) {
2061 struct sockaddr *sa;
2063 sa = (struct sockaddr *)&paddrp->spp_address;
2064 if (sa->sa_family == AF_INET) {
2065 struct sockaddr_in *sin;
2067 sin = (struct sockaddr_in *)sa;
2068 if (sin->sin_addr.s_addr) {
2070 SCTP_TCB_UNLOCK(stcb);
2071 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2074 } else if (sa->sa_family == AF_INET6) {
2075 struct sockaddr_in6 *sin6;
2077 sin6 = (struct sockaddr_in6 *)sa;
2078 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
2080 SCTP_TCB_UNLOCK(stcb);
2081 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2085 error = EAFNOSUPPORT;
2086 SCTP_TCB_UNLOCK(stcb);
2087 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2092 /* Applys to the specific association */
2093 paddrp->spp_flags = 0;
2097 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2098 ovh = SCTP_MED_OVERHEAD;
2100 ovh = SCTP_MED_V4_OVERHEAD;
2104 paddrp->spp_pathmaxrxt = net->failure_threshold;
2105 paddrp->spp_pathmtu = net->mtu - ovh;
2106 /* get flags for HB */
2107 if (net->dest_state & SCTP_ADDR_NOHB)
2108 paddrp->spp_flags |= SPP_HB_DISABLE;
2110 paddrp->spp_flags |= SPP_HB_ENABLE;
2111 /* get flags for PMTU */
2112 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
2113 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2115 paddrp->spp_flags |= SPP_PMTUD_DISABLE;
2118 if (net->ro._l_addr.sin.sin_family == AF_INET) {
2119 paddrp->spp_ipv4_tos = net->tos_flowlabel & 0x000000fc;
2120 paddrp->spp_flags |= SPP_IPV4_TOS;
2124 if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
2125 paddrp->spp_ipv6_flowlabel = net->tos_flowlabel;
2126 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2131 * No destination so return default
2136 paddrp->spp_pathmaxrxt = stcb->asoc.def_net_failure;
2137 paddrp->spp_pathmtu = sctp_get_frag_point(stcb, &stcb->asoc);
2139 paddrp->spp_ipv4_tos = stcb->asoc.default_tos & 0x000000fc;
2140 paddrp->spp_flags |= SPP_IPV4_TOS;
2143 paddrp->spp_ipv6_flowlabel = stcb->asoc.default_flowlabel;
2144 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2146 /* default settings should be these */
2147 if (stcb->asoc.hb_is_disabled == 0) {
2148 paddrp->spp_flags |= SPP_HB_ENABLE;
2150 paddrp->spp_flags |= SPP_HB_DISABLE;
2152 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
2153 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
2158 paddrp->spp_flags |= SPP_PMTUD_ENABLE;
2161 paddrp->spp_hbinterval = stcb->asoc.heart_beat_delay;
2162 paddrp->spp_assoc_id = sctp_get_associd(stcb);
2163 SCTP_TCB_UNLOCK(stcb);
2165 /* Use endpoint defaults */
2166 SCTP_INP_RLOCK(inp);
2167 paddrp->spp_pathmaxrxt = inp->sctp_ep.def_net_failure;
2168 paddrp->spp_hbinterval = TICKS_TO_MSEC(inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT]);
2169 paddrp->spp_assoc_id = (sctp_assoc_t) 0;
2170 /* get inp's default */
2172 paddrp->spp_ipv4_tos = inp->ip_inp.inp.inp_ip_tos;
2173 paddrp->spp_flags |= SPP_IPV4_TOS;
2176 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2177 paddrp->spp_ipv6_flowlabel = ((struct in6pcb *)inp)->in6p_flowinfo;
2178 paddrp->spp_flags |= SPP_IPV6_FLOWLABEL;
2181 /* can't return this */
2182 paddrp->spp_pathmtu = 0;
2184 /* default behavior, no stcb */
2185 paddrp->spp_flags = SPP_PMTUD_ENABLE;
2187 if (sctp_is_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT)) {
2188 paddrp->spp_flags |= SPP_HB_ENABLE;
2190 paddrp->spp_flags |= SPP_HB_DISABLE;
2192 SCTP_INP_RUNLOCK(inp);
2194 *optsize = sizeof(struct sctp_paddrparams);
2197 case SCTP_GET_PEER_ADDR_INFO:
2199 struct sctp_paddrinfo *paddri;
2200 struct sctp_nets *net;
2202 SCTP_CHECK_AND_CAST(paddri, optval, struct sctp_paddrinfo, *optsize);
2203 SCTP_FIND_STCB(inp, stcb, paddri->spinfo_assoc_id);
2207 net = sctp_findnet(stcb, (struct sockaddr *)&paddri->spinfo_address);
2210 * We increment here since
2211 * sctp_findassociation_ep_addr() wil do a
2212 * decrement if it finds the stcb as long as
2213 * the locked tcb (last argument) is NOT a
2216 SCTP_INP_INCR_REF(inp);
2217 stcb = sctp_findassociation_ep_addr(&inp, (struct sockaddr *)&paddri->spinfo_address, &net, NULL, NULL);
2219 SCTP_INP_DECR_REF(inp);
2223 if ((stcb) && (net)) {
2224 paddri->spinfo_state = net->dest_state & (SCTP_REACHABLE_MASK | SCTP_ADDR_NOHB);
2225 paddri->spinfo_cwnd = net->cwnd;
2226 paddri->spinfo_srtt = ((net->lastsa >> 2) + net->lastsv) >> 1;
2227 paddri->spinfo_rto = net->RTO;
2228 paddri->spinfo_assoc_id = sctp_get_associd(stcb);
2229 SCTP_TCB_UNLOCK(stcb);
2232 SCTP_TCB_UNLOCK(stcb);
2234 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2237 *optsize = sizeof(struct sctp_paddrinfo);
2240 case SCTP_PCB_STATUS:
2242 struct sctp_pcbinfo *spcb;
2244 SCTP_CHECK_AND_CAST(spcb, optval, struct sctp_pcbinfo, *optsize);
2245 sctp_fill_pcbinfo(spcb);
2246 *optsize = sizeof(struct sctp_pcbinfo);
2252 struct sctp_nets *net;
2253 struct sctp_status *sstat;
2255 SCTP_CHECK_AND_CAST(sstat, optval, struct sctp_status, *optsize);
2256 SCTP_FIND_STCB(inp, stcb, sstat->sstat_assoc_id);
2259 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2264 * I think passing the state is fine since
2265 * sctp_constants.h will be available to the user
2268 sstat->sstat_state = stcb->asoc.state;
2269 sstat->sstat_rwnd = stcb->asoc.peers_rwnd;
2270 sstat->sstat_unackdata = stcb->asoc.sent_queue_cnt;
2272 * We can't include chunks that have been passed to
2273 * the socket layer. Only things in queue.
2275 sstat->sstat_penddata = (stcb->asoc.cnt_on_reasm_queue +
2276 stcb->asoc.cnt_on_all_streams);
2279 sstat->sstat_instrms = stcb->asoc.streamincnt;
2280 sstat->sstat_outstrms = stcb->asoc.streamoutcnt;
2281 sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);
2282 memcpy(&sstat->sstat_primary.spinfo_address,
2283 &stcb->asoc.primary_destination->ro._l_addr,
2284 ((struct sockaddr *)(&stcb->asoc.primary_destination->ro._l_addr))->sa_len);
2285 net = stcb->asoc.primary_destination;
2286 ((struct sockaddr_in *)&sstat->sstat_primary.spinfo_address)->sin_port = stcb->rport;
2288 * Again the user can get info from sctp_constants.h
2289 * for what the state of the network is.
2291 sstat->sstat_primary.spinfo_state = net->dest_state & SCTP_REACHABLE_MASK;
2292 sstat->sstat_primary.spinfo_cwnd = net->cwnd;
2293 sstat->sstat_primary.spinfo_srtt = net->lastsa;
2294 sstat->sstat_primary.spinfo_rto = net->RTO;
2295 sstat->sstat_primary.spinfo_mtu = net->mtu;
2296 sstat->sstat_primary.spinfo_assoc_id = sctp_get_associd(stcb);
2297 SCTP_TCB_UNLOCK(stcb);
2298 *optsize = sizeof(*sstat);
2303 struct sctp_rtoinfo *srto;
2305 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, *optsize);
2306 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
2309 srto->srto_initial = stcb->asoc.initial_rto;
2310 srto->srto_max = stcb->asoc.maxrto;
2311 srto->srto_min = stcb->asoc.minrto;
2312 SCTP_TCB_UNLOCK(stcb);
2314 SCTP_INP_RLOCK(inp);
2315 srto->srto_initial = inp->sctp_ep.initial_rto;
2316 srto->srto_max = inp->sctp_ep.sctp_maxrto;
2317 srto->srto_min = inp->sctp_ep.sctp_minrto;
2318 SCTP_INP_RUNLOCK(inp);
2320 *optsize = sizeof(*srto);
2323 case SCTP_ASSOCINFO:
2325 struct sctp_assocparams *sasoc;
2328 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, *optsize);
2329 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
2332 oldval = sasoc->sasoc_cookie_life;
2333 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(stcb->asoc.cookie_life);
2334 sasoc->sasoc_asocmaxrxt = stcb->asoc.max_send_times;
2335 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
2336 sasoc->sasoc_peer_rwnd = stcb->asoc.peers_rwnd;
2337 sasoc->sasoc_local_rwnd = stcb->asoc.my_rwnd;
2338 SCTP_TCB_UNLOCK(stcb);
2340 SCTP_INP_RLOCK(inp);
2341 sasoc->sasoc_cookie_life = TICKS_TO_MSEC(inp->sctp_ep.def_cookie_life);
2342 sasoc->sasoc_asocmaxrxt = inp->sctp_ep.max_send_times;
2343 sasoc->sasoc_number_peer_destinations = 0;
2344 sasoc->sasoc_peer_rwnd = 0;
2345 sasoc->sasoc_local_rwnd = sbspace(&inp->sctp_socket->so_rcv);
2346 SCTP_INP_RUNLOCK(inp);
2348 *optsize = sizeof(*sasoc);
2351 case SCTP_DEFAULT_SEND_PARAM:
2353 struct sctp_sndrcvinfo *s_info;
2355 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, *optsize);
2356 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
2359 memcpy(s_info, &stcb->asoc.def_send, sizeof(stcb->asoc.def_send));
2360 SCTP_TCB_UNLOCK(stcb);
2362 SCTP_INP_RLOCK(inp);
2363 memcpy(s_info, &inp->def_send, sizeof(inp->def_send));
2364 SCTP_INP_RUNLOCK(inp);
2366 *optsize = sizeof(*s_info);
2371 struct sctp_initmsg *sinit;
2373 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, *optsize);
2374 SCTP_INP_RLOCK(inp);
2375 sinit->sinit_num_ostreams = inp->sctp_ep.pre_open_stream_count;
2376 sinit->sinit_max_instreams = inp->sctp_ep.max_open_streams_intome;
2377 sinit->sinit_max_attempts = inp->sctp_ep.max_init_times;
2378 sinit->sinit_max_init_timeo = inp->sctp_ep.initial_init_rto_max;
2379 SCTP_INP_RUNLOCK(inp);
2380 *optsize = sizeof(*sinit);
2383 case SCTP_PRIMARY_ADDR:
2384 /* we allow a "get" operation on this */
2386 struct sctp_setprim *ssp;
2388 SCTP_CHECK_AND_CAST(ssp, optval, struct sctp_setprim, *optsize);
2389 SCTP_FIND_STCB(inp, stcb, ssp->ssp_assoc_id);
2392 /* simply copy out the sockaddr_storage... */
2396 if (len > stcb->asoc.primary_destination->ro._l_addr.sa.sa_len)
2397 len = stcb->asoc.primary_destination->ro._l_addr.sa.sa_len;
2399 memcpy(&ssp->ssp_addr,
2400 &stcb->asoc.primary_destination->ro._l_addr,
2402 SCTP_TCB_UNLOCK(stcb);
2404 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2407 *optsize = sizeof(*ssp);
2411 case SCTP_HMAC_IDENT:
2413 struct sctp_hmacalgo *shmac;
2414 sctp_hmaclist_t *hmaclist;
2418 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, *optsize);
2420 SCTP_INP_RLOCK(inp);
2421 hmaclist = inp->sctp_ep.local_hmacs;
2422 if (hmaclist == NULL) {
2423 /* no HMACs to return */
2424 *optsize = sizeof(*shmac);
2425 SCTP_INP_RUNLOCK(inp);
2428 /* is there room for all of the hmac ids? */
2429 size = sizeof(*shmac) + (hmaclist->num_algo *
2430 sizeof(shmac->shmac_idents[0]));
2431 if ((size_t)(*optsize) < size) {
2432 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2434 SCTP_INP_RUNLOCK(inp);
2437 /* copy in the list */
2438 for (i = 0; i < hmaclist->num_algo; i++)
2439 shmac->shmac_idents[i] = hmaclist->hmac[i];
2440 SCTP_INP_RUNLOCK(inp);
2444 case SCTP_AUTH_ACTIVE_KEY:
2446 struct sctp_authkeyid *scact;
2448 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, *optsize);
2449 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
2452 /* get the active key on the assoc */
2453 scact->scact_keynumber = stcb->asoc.authinfo.assoc_keyid;
2454 SCTP_TCB_UNLOCK(stcb);
2456 /* get the endpoint active key */
2457 SCTP_INP_RLOCK(inp);
2458 scact->scact_keynumber = inp->sctp_ep.default_keyid;
2459 SCTP_INP_RUNLOCK(inp);
2461 *optsize = sizeof(*scact);
2464 case SCTP_LOCAL_AUTH_CHUNKS:
2466 struct sctp_authchunks *sac;
2467 sctp_auth_chklist_t *chklist = NULL;
2470 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2471 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2474 /* get off the assoc */
2475 chklist = stcb->asoc.local_auth_chunks;
2476 /* is there enough space? */
2477 size = sctp_auth_get_chklist_size(chklist);
2478 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2480 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2482 /* copy in the chunks */
2483 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2485 SCTP_TCB_UNLOCK(stcb);
2487 /* get off the endpoint */
2488 SCTP_INP_RLOCK(inp);
2489 chklist = inp->sctp_ep.local_auth_chunks;
2490 /* is there enough space? */
2491 size = sctp_auth_get_chklist_size(chklist);
2492 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2494 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2496 /* copy in the chunks */
2497 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2499 SCTP_INP_RUNLOCK(inp);
2501 *optsize = sizeof(struct sctp_authchunks) + size;
2504 case SCTP_PEER_AUTH_CHUNKS:
2506 struct sctp_authchunks *sac;
2507 sctp_auth_chklist_t *chklist = NULL;
2510 SCTP_CHECK_AND_CAST(sac, optval, struct sctp_authchunks, *optsize);
2511 SCTP_FIND_STCB(inp, stcb, sac->gauth_assoc_id);
2514 /* get off the assoc */
2515 chklist = stcb->asoc.peer_auth_chunks;
2516 /* is there enough space? */
2517 size = sctp_auth_get_chklist_size(chklist);
2518 if (*optsize < (sizeof(struct sctp_authchunks) + size)) {
2520 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
2522 /* copy in the chunks */
2523 (void)sctp_serialize_auth_chunks(chklist, sac->gauth_chunks);
2525 SCTP_TCB_UNLOCK(stcb);
2527 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
2530 *optsize = sizeof(struct sctp_authchunks) + size;
2536 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
2537 error = ENOPROTOOPT;
2540 } /* end switch (sopt->sopt_name) */
2545 sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
2550 struct sctp_tcb *stcb = NULL;
2551 struct sctp_inpcb *inp = NULL;
2554 if (optval == NULL) {
2555 SCTP_PRINTF("optval is NULL\n");
2556 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2559 inp = (struct sctp_inpcb *)so->so_pcb;
2561 SCTP_PRINTF("inp is NULL?\n");
2562 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2565 vrf_id = inp->def_vrf_id;
2570 case SCTP_AUTOCLOSE:
2571 case SCTP_AUTO_ASCONF:
2572 case SCTP_EXPLICIT_EOR:
2573 case SCTP_DISABLE_FRAGMENTS:
2574 case SCTP_USE_EXT_RCVINFO:
2575 case SCTP_I_WANT_MAPPED_V4_ADDR:
2576 /* copy in the option value */
2577 SCTP_CHECK_AND_CAST(mopt, optval, uint32_t, optsize);
2582 case SCTP_DISABLE_FRAGMENTS:
2583 set_opt = SCTP_PCB_FLAGS_NO_FRAGMENT;
2585 case SCTP_AUTO_ASCONF:
2587 * NOTE: we don't really support this flag
2589 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
2590 /* only valid for bound all sockets */
2591 set_opt = SCTP_PCB_FLAGS_AUTO_ASCONF;
2593 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2597 case SCTP_EXPLICIT_EOR:
2598 set_opt = SCTP_PCB_FLAGS_EXPLICIT_EOR;
2600 case SCTP_USE_EXT_RCVINFO:
2601 set_opt = SCTP_PCB_FLAGS_EXT_RCVINFO;
2603 case SCTP_I_WANT_MAPPED_V4_ADDR:
2604 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
2605 set_opt = SCTP_PCB_FLAGS_NEEDS_MAPPED_V4;
2607 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2612 set_opt = SCTP_PCB_FLAGS_NODELAY;
2614 case SCTP_AUTOCLOSE:
2615 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
2616 (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
2617 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2620 set_opt = SCTP_PCB_FLAGS_AUTOCLOSE;
2622 * The value is in ticks. Note this does not effect
2623 * old associations, only new ones.
2625 inp->sctp_ep.auto_close_time = SEC_TO_TICKS(*mopt);
2628 SCTP_INP_WLOCK(inp);
2630 sctp_feature_on(inp, set_opt);
2632 sctp_feature_off(inp, set_opt);
2634 SCTP_INP_WUNLOCK(inp);
2636 case SCTP_PARTIAL_DELIVERY_POINT:
2640 SCTP_CHECK_AND_CAST(value, optval, uint32_t, optsize);
2641 if (*value > SCTP_SB_LIMIT_RCV(so)) {
2642 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2646 inp->partial_delivery_point = *value;
2649 case SCTP_FRAGMENT_INTERLEAVE:
2650 /* not yet until we re-write sctp_recvmsg() */
2654 SCTP_CHECK_AND_CAST(level, optval, uint32_t, optsize);
2655 if (*level == SCTP_FRAG_LEVEL_2) {
2656 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
2657 sctp_feature_on(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
2658 } else if (*level == SCTP_FRAG_LEVEL_1) {
2659 sctp_feature_on(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
2660 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
2661 } else if (*level == SCTP_FRAG_LEVEL_0) {
2662 sctp_feature_off(inp, SCTP_PCB_FLAGS_FRAG_INTERLEAVE);
2663 sctp_feature_off(inp, SCTP_PCB_FLAGS_INTERLEAVE_STRMS);
2666 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2671 case SCTP_CMT_ON_OFF:
2673 struct sctp_assoc_value *av;
2675 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
2676 if (sctp_cmt_on_off) {
2677 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2679 stcb->asoc.sctp_cmt_on_off = (uint8_t) av->assoc_value;
2680 SCTP_TCB_UNLOCK(stcb);
2682 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
2686 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
2687 error = ENOPROTOOPT;
2691 /* JRS - Set socket option for pluggable congestion control */
2692 case SCTP_PLUGGABLE_CC:
2694 struct sctp_assoc_value *av;
2696 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
2697 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2699 switch (av->assoc_value) {
2701 * JRS - Standard TCP congestion
2704 case SCTP_CC_RFC2581:
2706 stcb->asoc.congestion_control_module = SCTP_CC_RFC2581;
2707 stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param;
2708 stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_cwnd_update_after_sack;
2709 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_cwnd_update_after_fr;
2710 stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout;
2711 stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo;
2712 stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
2713 stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
2714 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer;
2715 SCTP_TCB_UNLOCK(stcb);
2719 * JRS - High Speed TCP congestion
2724 stcb->asoc.congestion_control_module = SCTP_CC_HSTCP;
2725 stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_set_initial_cc_param;
2726 stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_hs_cwnd_update_after_sack;
2727 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_hs_cwnd_update_after_fr;
2728 stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_cwnd_update_after_timeout;
2729 stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_cwnd_update_after_ecn_echo;
2730 stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
2731 stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
2732 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_cwnd_update_after_fr_timer;
2733 SCTP_TCB_UNLOCK(stcb);
2736 /* JRS - HTCP congestion control */
2739 stcb->asoc.congestion_control_module = SCTP_CC_HTCP;
2740 stcb->asoc.cc_functions.sctp_set_initial_cc_param = &sctp_htcp_set_initial_cc_param;
2741 stcb->asoc.cc_functions.sctp_cwnd_update_after_sack = &sctp_htcp_cwnd_update_after_sack;
2742 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr = &sctp_htcp_cwnd_update_after_fr;
2743 stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout = &sctp_htcp_cwnd_update_after_timeout;
2744 stcb->asoc.cc_functions.sctp_cwnd_update_after_ecn_echo = &sctp_htcp_cwnd_update_after_ecn_echo;
2745 stcb->asoc.cc_functions.sctp_cwnd_update_after_packet_dropped = &sctp_cwnd_update_after_packet_dropped;
2746 stcb->asoc.cc_functions.sctp_cwnd_update_after_output = &sctp_cwnd_update_after_output;
2747 stcb->asoc.cc_functions.sctp_cwnd_update_after_fr_timer = &sctp_htcp_cwnd_update_after_fr_timer;
2748 SCTP_TCB_UNLOCK(stcb);
2752 * JRS - All other values are
2757 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2759 SCTP_TCB_UNLOCK(stcb);
2764 switch (av->assoc_value) {
2765 case SCTP_CC_RFC2581:
2768 inp->sctp_ep.sctp_default_cc_module = av->assoc_value;
2771 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2778 case SCTP_CLR_STAT_LOG:
2779 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2784 struct sctp_assoc_value *av;
2786 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
2787 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
2790 stcb->asoc.context = av->assoc_value;
2791 SCTP_TCB_UNLOCK(stcb);
2793 SCTP_INP_WLOCK(inp);
2794 inp->sctp_context = av->assoc_value;
2795 SCTP_INP_WUNLOCK(inp);
2801 uint32_t *default_vrfid;
2803 SCTP_CHECK_AND_CAST(default_vrfid, optval, uint32_t, optsize);
2804 if (*default_vrfid > SCTP_MAX_VRF_ID) {
2805 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2809 inp->def_vrf_id = *default_vrfid;
2812 case SCTP_DEL_VRF_ID:
2814 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2818 case SCTP_ADD_VRF_ID:
2820 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
2824 case SCTP_DELAYED_SACK:
2826 struct sctp_sack_info *sack;
2828 SCTP_CHECK_AND_CAST(sack, optval, struct sctp_sack_info, optsize);
2829 SCTP_FIND_STCB(inp, stcb, sack->sack_assoc_id);
2830 if (sack->sack_delay) {
2831 if (sack->sack_delay > SCTP_MAX_SACK_DELAY)
2832 sack->sack_delay = SCTP_MAX_SACK_DELAY;
2835 if (sack->sack_delay) {
2836 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
2837 sack->sack_delay = TICKS_TO_MSEC(1);
2839 stcb->asoc.delayed_ack = sack->sack_delay;
2841 if (sack->sack_freq) {
2842 stcb->asoc.sack_freq = sack->sack_freq;
2844 SCTP_TCB_UNLOCK(stcb);
2846 SCTP_INP_WLOCK(inp);
2847 if (sack->sack_delay) {
2848 if (MSEC_TO_TICKS(sack->sack_delay) < 1) {
2849 sack->sack_delay = TICKS_TO_MSEC(1);
2851 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_RECV] = MSEC_TO_TICKS(sack->sack_delay);
2853 if (sack->sack_freq) {
2854 inp->sctp_ep.sctp_sack_freq = sack->sack_freq;
2856 SCTP_INP_WUNLOCK(inp);
2860 case SCTP_AUTH_CHUNK:
2862 struct sctp_authchunk *sauth;
2864 SCTP_CHECK_AND_CAST(sauth, optval, struct sctp_authchunk, optsize);
2866 SCTP_INP_WLOCK(inp);
2867 if (sctp_auth_add_chunk(sauth->sauth_chunk, inp->sctp_ep.local_auth_chunks)) {
2868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2871 SCTP_INP_WUNLOCK(inp);
2876 struct sctp_authkey *sca;
2877 struct sctp_keyhead *shared_keys;
2878 sctp_sharedkey_t *shared_key;
2879 sctp_key_t *key = NULL;
2882 SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey, optsize);
2883 SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
2884 size = optsize - sizeof(*sca);
2887 /* set it on the assoc */
2888 shared_keys = &stcb->asoc.shared_keys;
2889 /* clear the cached keys for this key id */
2890 sctp_clear_cachedkeys(stcb, sca->sca_keynumber);
2892 * create the new shared key and
2896 key = sctp_set_key(sca->sca_key, (uint32_t) size);
2898 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
2900 SCTP_TCB_UNLOCK(stcb);
2904 shared_key = sctp_alloc_sharedkey();
2905 if (shared_key == NULL) {
2907 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
2909 SCTP_TCB_UNLOCK(stcb);
2912 shared_key->key = key;
2913 shared_key->keyid = sca->sca_keynumber;
2914 sctp_insert_sharedkey(shared_keys, shared_key);
2915 SCTP_TCB_UNLOCK(stcb);
2917 /* set it on the endpoint */
2918 SCTP_INP_WLOCK(inp);
2919 shared_keys = &inp->sctp_ep.shared_keys;
2921 * clear the cached keys on all assocs for
2924 sctp_clear_cachedkeys_ep(inp, sca->sca_keynumber);
2926 * create the new shared key and
2930 key = sctp_set_key(sca->sca_key, (uint32_t) size);
2932 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
2934 SCTP_INP_WUNLOCK(inp);
2938 shared_key = sctp_alloc_sharedkey();
2939 if (shared_key == NULL) {
2941 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
2943 SCTP_INP_WUNLOCK(inp);
2946 shared_key->key = key;
2947 shared_key->keyid = sca->sca_keynumber;
2948 sctp_insert_sharedkey(shared_keys, shared_key);
2949 SCTP_INP_WUNLOCK(inp);
2953 case SCTP_HMAC_IDENT:
2955 struct sctp_hmacalgo *shmac;
2956 sctp_hmaclist_t *hmaclist;
2958 size_t size, i, found;
2960 SCTP_CHECK_AND_CAST(shmac, optval, struct sctp_hmacalgo, optsize);
2961 size = (optsize - sizeof(*shmac)) / sizeof(shmac->shmac_idents[0]);
2962 hmaclist = sctp_alloc_hmaclist(size);
2963 if (hmaclist == NULL) {
2964 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOMEM);
2968 for (i = 0; i < size; i++) {
2969 hmacid = shmac->shmac_idents[i];
2970 if (sctp_auth_add_hmacid(hmaclist, (uint16_t) hmacid)) {
2971 /* invalid HMACs were found */ ;
2972 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2974 sctp_free_hmaclist(hmaclist);
2975 goto sctp_set_hmac_done;
2979 for (i = 0; i < hmaclist->num_algo; i++) {
2980 if (hmaclist->hmac[i] == SCTP_AUTH_HMAC_ID_SHA1) {
2981 /* already in list */
2986 sctp_free_hmaclist(hmaclist);
2987 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
2991 /* set it on the endpoint */
2992 SCTP_INP_WLOCK(inp);
2993 if (inp->sctp_ep.local_hmacs)
2994 sctp_free_hmaclist(inp->sctp_ep.local_hmacs);
2995 inp->sctp_ep.local_hmacs = hmaclist;
2996 SCTP_INP_WUNLOCK(inp);
3000 case SCTP_AUTH_ACTIVE_KEY:
3002 struct sctp_authkeyid *scact;
3004 SCTP_CHECK_AND_CAST(scact, optval, struct sctp_authkeyid, optsize);
3005 SCTP_FIND_STCB(inp, stcb, scact->scact_assoc_id);
3007 /* set the active key on the right place */
3009 /* set the active key on the assoc */
3010 if (sctp_auth_setactivekey(stcb, scact->scact_keynumber)) {
3011 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3014 SCTP_TCB_UNLOCK(stcb);
3016 /* set the active key on the endpoint */
3017 SCTP_INP_WLOCK(inp);
3018 if (sctp_auth_setactivekey_ep(inp, scact->scact_keynumber)) {
3019 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3022 SCTP_INP_WUNLOCK(inp);
3026 case SCTP_AUTH_DELETE_KEY:
3028 struct sctp_authkeyid *scdel;
3030 SCTP_CHECK_AND_CAST(scdel, optval, struct sctp_authkeyid, optsize);
3031 SCTP_FIND_STCB(inp, stcb, scdel->scact_assoc_id);
3033 /* delete the key from the right place */
3035 if (sctp_delete_sharedkey(stcb, scdel->scact_keynumber)) {
3036 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3039 SCTP_TCB_UNLOCK(stcb);
3041 SCTP_INP_WLOCK(inp);
3042 if (sctp_delete_sharedkey_ep(inp, scdel->scact_keynumber)) {
3043 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3046 SCTP_INP_WUNLOCK(inp);
3051 case SCTP_RESET_STREAMS:
3053 struct sctp_stream_reset *strrst;
3054 uint8_t send_in = 0, send_tsn = 0, send_out = 0;
3057 SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_stream_reset, optsize);
3058 SCTP_FIND_STCB(inp, stcb, strrst->strrst_assoc_id);
3061 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3065 if (stcb->asoc.peer_supports_strreset == 0) {
3067 * Peer does not support it, we return
3068 * protocol not supported since this is true
3069 * for this feature and this peer, not the
3070 * socket request in general.
3072 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPROTONOSUPPORT);
3073 error = EPROTONOSUPPORT;
3074 SCTP_TCB_UNLOCK(stcb);
3077 if (stcb->asoc.stream_reset_outstanding) {
3078 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
3080 SCTP_TCB_UNLOCK(stcb);
3083 if (strrst->strrst_flags == SCTP_RESET_LOCAL_RECV) {
3085 } else if (strrst->strrst_flags == SCTP_RESET_LOCAL_SEND) {
3087 } else if (strrst->strrst_flags == SCTP_RESET_BOTH) {
3090 } else if (strrst->strrst_flags == SCTP_RESET_TSN) {
3093 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3095 SCTP_TCB_UNLOCK(stcb);
3098 for (i = 0; i < strrst->strrst_num_streams; i++) {
3101 (strrst->strrst_list[i] > stcb->asoc.streamincnt)) {
3102 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3107 (strrst->strrst_list[i] > stcb->asoc.streamoutcnt)) {
3108 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3115 SCTP_TCB_UNLOCK(stcb);
3118 error = sctp_send_str_reset_req(stcb, strrst->strrst_num_streams,
3119 strrst->strrst_list,
3120 send_out, (stcb->asoc.str_reset_seq_in - 3),
3123 sctp_chunk_output(inp, stcb, SCTP_OUTPUT_FROM_STRRST_REQ, SCTP_SO_LOCKED);
3124 SCTP_TCB_UNLOCK(stcb);
3128 case SCTP_CONNECT_X:
3129 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
3130 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3134 error = sctp_do_connect_x(so, inp, optval, optsize, p, 0);
3137 case SCTP_CONNECT_X_DELAYED:
3138 if (optsize < (sizeof(int) + sizeof(struct sockaddr_in))) {
3139 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3143 error = sctp_do_connect_x(so, inp, optval, optsize, p, 1);
3146 case SCTP_CONNECT_X_COMPLETE:
3148 struct sockaddr *sa;
3149 struct sctp_nets *net;
3151 /* FIXME MT: check correct? */
3152 SCTP_CHECK_AND_CAST(sa, optval, struct sockaddr, optsize);
3155 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
3156 SCTP_INP_RLOCK(inp);
3157 stcb = LIST_FIRST(&inp->sctp_asoc_list);
3159 SCTP_TCB_LOCK(stcb);
3160 net = sctp_findnet(stcb, sa);
3162 SCTP_INP_RUNLOCK(inp);
3165 * We increment here since
3166 * sctp_findassociation_ep_addr() wil do a
3167 * decrement if it finds the stcb as long as
3168 * the locked tcb (last argument) is NOT a
3171 SCTP_INP_INCR_REF(inp);
3172 stcb = sctp_findassociation_ep_addr(&inp, sa, &net, NULL, NULL);
3174 SCTP_INP_DECR_REF(inp);
3179 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
3183 if (stcb->asoc.delayed_connection == 1) {
3184 stcb->asoc.delayed_connection = 0;
3185 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
3186 sctp_timer_stop(SCTP_TIMER_TYPE_INIT, inp, stcb,
3187 stcb->asoc.primary_destination,
3188 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_9);
3189 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
3192 * already expired or did not use delayed
3195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
3198 SCTP_TCB_UNLOCK(stcb);
3201 case SCTP_MAX_BURST:
3205 SCTP_CHECK_AND_CAST(burst, optval, uint8_t, optsize);
3207 SCTP_INP_WLOCK(inp);
3209 inp->sctp_ep.max_burst = *burst;
3211 SCTP_INP_WUNLOCK(inp);
3216 struct sctp_assoc_value *av;
3219 SCTP_CHECK_AND_CAST(av, optval, struct sctp_assoc_value, optsize);
3220 SCTP_FIND_STCB(inp, stcb, av->assoc_id);
3222 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3223 ovh = SCTP_MED_OVERHEAD;
3225 ovh = SCTP_MED_V4_OVERHEAD;
3228 if (av->assoc_value) {
3229 stcb->asoc.sctp_frag_point = (av->assoc_value + ovh);
3231 stcb->asoc.sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
3233 SCTP_TCB_UNLOCK(stcb);
3235 SCTP_INP_WLOCK(inp);
3237 * FIXME MT: I think this is not in tune
3240 if (av->assoc_value) {
3241 inp->sctp_frag_point = (av->assoc_value + ovh);
3243 inp->sctp_frag_point = SCTP_DEFAULT_MAXSEGMENT;
3245 SCTP_INP_WUNLOCK(inp);
3251 struct sctp_event_subscribe *events;
3253 SCTP_CHECK_AND_CAST(events, optval, struct sctp_event_subscribe, optsize);
3255 SCTP_INP_WLOCK(inp);
3256 if (events->sctp_data_io_event) {
3257 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
3259 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVDATAIOEVNT);
3262 if (events->sctp_association_event) {
3263 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
3265 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVASSOCEVNT);
3268 if (events->sctp_address_event) {
3269 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
3271 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPADDREVNT);
3274 if (events->sctp_send_failure_event) {
3275 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
3277 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSENDFAILEVNT);
3280 if (events->sctp_peer_error_event) {
3281 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVPEERERR);
3283 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVPEERERR);
3286 if (events->sctp_shutdown_event) {
3287 sctp_feature_on(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
3289 sctp_feature_off(inp, SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT);
3292 if (events->sctp_partial_delivery_event) {
3293 sctp_feature_on(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
3295 sctp_feature_off(inp, SCTP_PCB_FLAGS_PDAPIEVNT);
3298 if (events->sctp_adaptation_layer_event) {
3299 sctp_feature_on(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
3301 sctp_feature_off(inp, SCTP_PCB_FLAGS_ADAPTATIONEVNT);
3304 if (events->sctp_authentication_event) {
3305 sctp_feature_on(inp, SCTP_PCB_FLAGS_AUTHEVNT);
3307 sctp_feature_off(inp, SCTP_PCB_FLAGS_AUTHEVNT);
3310 if (events->sctp_stream_reset_events) {
3311 sctp_feature_on(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
3313 sctp_feature_off(inp, SCTP_PCB_FLAGS_STREAM_RESETEVNT);
3315 SCTP_INP_WUNLOCK(inp);
3319 case SCTP_ADAPTATION_LAYER:
3321 struct sctp_setadaptation *adap_bits;
3323 SCTP_CHECK_AND_CAST(adap_bits, optval, struct sctp_setadaptation, optsize);
3324 SCTP_INP_WLOCK(inp);
3325 inp->sctp_ep.adaptation_layer_indicator = adap_bits->ssb_adaptation_ind;
3326 SCTP_INP_WUNLOCK(inp);
3330 case SCTP_SET_INITIAL_DBG_SEQ:
3334 SCTP_CHECK_AND_CAST(vvv, optval, uint32_t, optsize);
3335 SCTP_INP_WLOCK(inp);
3336 inp->sctp_ep.initial_sequence_debug = *vvv;
3337 SCTP_INP_WUNLOCK(inp);
3341 case SCTP_DEFAULT_SEND_PARAM:
3343 struct sctp_sndrcvinfo *s_info;
3345 SCTP_CHECK_AND_CAST(s_info, optval, struct sctp_sndrcvinfo, optsize);
3346 SCTP_FIND_STCB(inp, stcb, s_info->sinfo_assoc_id);
3349 if (s_info->sinfo_stream <= stcb->asoc.streamoutcnt) {
3350 memcpy(&stcb->asoc.def_send, s_info, min(optsize, sizeof(stcb->asoc.def_send)));
3352 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3355 SCTP_TCB_UNLOCK(stcb);
3357 SCTP_INP_WLOCK(inp);
3358 memcpy(&inp->def_send, s_info, min(optsize, sizeof(inp->def_send)));
3359 SCTP_INP_WUNLOCK(inp);
3363 case SCTP_PEER_ADDR_PARAMS:
3364 /* Applys to the specific association */
3366 struct sctp_paddrparams *paddrp;
3367 struct sctp_nets *net;
3369 SCTP_CHECK_AND_CAST(paddrp, optval, struct sctp_paddrparams, optsize);
3370 SCTP_FIND_STCB(inp, stcb, paddrp->spp_assoc_id);
3373 net = sctp_findnet(stcb, (struct sockaddr *)&paddrp->spp_address);
3376 * We increment here since
3377 * sctp_findassociation_ep_addr() wil do a
3378 * decrement if it finds the stcb as long as
3379 * the locked tcb (last argument) is NOT a
3382 SCTP_INP_INCR_REF(inp);
3383 stcb = sctp_findassociation_ep_addr(&inp,
3384 (struct sockaddr *)&paddrp->spp_address,
3387 SCTP_INP_DECR_REF(inp);
3390 if (stcb && (net == NULL)) {
3391 struct sockaddr *sa;
3393 sa = (struct sockaddr *)&paddrp->spp_address;
3394 if (sa->sa_family == AF_INET) {
3395 struct sockaddr_in *sin;
3397 sin = (struct sockaddr_in *)sa;
3398 if (sin->sin_addr.s_addr) {
3399 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3400 SCTP_TCB_UNLOCK(stcb);
3404 } else if (sa->sa_family == AF_INET6) {
3405 struct sockaddr_in6 *sin6;
3407 sin6 = (struct sockaddr_in6 *)sa;
3408 if (!IN6_IS_ADDR_UNSPECIFIED(&sin6->sin6_addr)) {
3409 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3410 SCTP_TCB_UNLOCK(stcb);
3415 error = EAFNOSUPPORT;
3416 SCTP_TCB_UNLOCK(stcb);
3417 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, error);
3422 if ((paddrp->spp_flags & SPP_HB_ENABLE) && (paddrp->spp_flags & SPP_HB_DISABLE)) {
3424 SCTP_TCB_UNLOCK(stcb);
3425 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3428 if ((paddrp->spp_flags & SPP_PMTUD_ENABLE) && (paddrp->spp_flags & SPP_PMTUD_DISABLE)) {
3430 SCTP_TCB_UNLOCK(stcb);
3431 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3435 /************************TCB SPECIFIC SET ******************/
3437 * do we change the timer for HB, we run
3442 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) {
3443 ovh = SCTP_MED_OVERHEAD;
3445 ovh = SCTP_MED_V4_OVERHEAD;
3448 if (paddrp->spp_hbinterval)
3449 stcb->asoc.heart_beat_delay = paddrp->spp_hbinterval;
3450 else if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
3451 stcb->asoc.heart_beat_delay = 0;
3453 /* network sets ? */
3455 /************************NET SPECIFIC SET ******************/
3456 if (paddrp->spp_flags & SPP_HB_DEMAND) {
3458 if (sctp_send_hb(stcb, 1, net) < 0) {
3459 /* asoc destroyed */
3460 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3465 if (paddrp->spp_flags & SPP_HB_DISABLE) {
3466 net->dest_state |= SCTP_ADDR_NOHB;
3468 if (paddrp->spp_flags & SPP_HB_ENABLE) {
3469 net->dest_state &= ~SCTP_ADDR_NOHB;
3471 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
3472 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
3473 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
3474 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
3476 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
3477 net->mtu = paddrp->spp_pathmtu + ovh;
3478 if (net->mtu < stcb->asoc.smallest_mtu) {
3479 #ifdef SCTP_PRINT_FOR_B_AND_M
3480 SCTP_PRINTF("SCTP_PMTU_DISABLE calls sctp_pathmtu_adjustment:%d\n",
3483 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
3487 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
3488 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
3489 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
3492 if (paddrp->spp_pathmaxrxt)
3493 net->failure_threshold = paddrp->spp_pathmaxrxt;
3495 if (paddrp->spp_flags & SPP_IPV4_TOS) {
3496 if (net->ro._l_addr.sin.sin_family == AF_INET) {
3497 net->tos_flowlabel = paddrp->spp_ipv4_tos & 0x000000fc;
3502 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL) {
3503 if (net->ro._l_addr.sin6.sin6_family == AF_INET6) {
3504 net->tos_flowlabel = paddrp->spp_ipv6_flowlabel;
3509 /************************ASSOC ONLY -- NO NET SPECIFIC SET ******************/
3510 if (paddrp->spp_pathmaxrxt)
3511 stcb->asoc.def_net_failure = paddrp->spp_pathmaxrxt;
3513 if (paddrp->spp_flags & SPP_HB_ENABLE) {
3514 /* Turn back on the timer */
3515 stcb->asoc.hb_is_disabled = 0;
3516 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
3518 if ((paddrp->spp_flags & SPP_PMTUD_DISABLE) && (paddrp->spp_pathmtu >= SCTP_SMALLEST_PMTU)) {
3519 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3520 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
3521 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net,
3522 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_10);
3524 if (paddrp->spp_pathmtu > SCTP_DEFAULT_MINSEGMENT) {
3525 net->mtu = paddrp->spp_pathmtu + ovh;
3526 if (net->mtu < stcb->asoc.smallest_mtu) {
3527 #ifdef SCTP_PRINT_FOR_B_AND_M
3528 SCTP_PRINTF("SCTP_PMTU_DISABLE calls sctp_pathmtu_adjustment:%d\n",
3531 sctp_pathmtu_adjustment(inp, stcb, net, net->mtu);
3536 if (paddrp->spp_flags & SPP_PMTUD_ENABLE) {
3537 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3538 if (SCTP_OS_TIMER_PENDING(&net->pmtu_timer.timer)) {
3539 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);
3543 if (paddrp->spp_flags & SPP_HB_DISABLE) {
3544 int cnt_of_unconf = 0;
3545 struct sctp_nets *lnet;
3547 stcb->asoc.hb_is_disabled = 1;
3548 TAILQ_FOREACH(lnet, &stcb->asoc.nets, sctp_next) {
3549 if (lnet->dest_state & SCTP_ADDR_UNCONFIRMED) {
3554 * stop the timer ONLY if we
3555 * have no unconfirmed
3558 if (cnt_of_unconf == 0) {
3559 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3560 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net,
3561 SCTP_FROM_SCTP_USRREQ + SCTP_LOC_11);
3565 if (paddrp->spp_flags & SPP_HB_ENABLE) {
3566 /* start up the timer. */
3567 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
3568 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);
3572 if (paddrp->spp_flags & SPP_IPV4_TOS)
3573 stcb->asoc.default_tos = paddrp->spp_ipv4_tos & 0x000000fc;
3576 if (paddrp->spp_flags & SPP_IPV6_FLOWLABEL)
3577 stcb->asoc.default_flowlabel = paddrp->spp_ipv6_flowlabel;
3581 SCTP_TCB_UNLOCK(stcb);
3583 /************************NO TCB, SET TO default stuff ******************/
3584 SCTP_INP_WLOCK(inp);
3586 * For the TOS/FLOWLABEL stuff you set it
3587 * with the options on the socket
3589 if (paddrp->spp_pathmaxrxt) {
3590 inp->sctp_ep.def_net_failure = paddrp->spp_pathmaxrxt;
3592 if (paddrp->spp_flags & SPP_HB_TIME_IS_ZERO)
3593 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = 0;
3594 else if (paddrp->spp_hbinterval) {
3595 if (paddrp->spp_hbinterval > SCTP_MAX_HB_INTERVAL)
3596 paddrp->spp_hbinterval = SCTP_MAX_HB_INTERVAL;
3597 inp->sctp_ep.sctp_timeoutticks[SCTP_TIMER_HEARTBEAT] = MSEC_TO_TICKS(paddrp->spp_hbinterval);
3599 if (paddrp->spp_flags & SPP_HB_ENABLE) {
3600 sctp_feature_off(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
3602 } else if (paddrp->spp_flags & SPP_HB_DISABLE) {
3603 sctp_feature_on(inp, SCTP_PCB_FLAGS_DONOT_HEARTBEAT);
3605 SCTP_INP_WUNLOCK(inp);
3611 struct sctp_rtoinfo *srto;
3612 uint32_t new_init, new_min, new_max;
3614 SCTP_CHECK_AND_CAST(srto, optval, struct sctp_rtoinfo, optsize);
3615 SCTP_FIND_STCB(inp, stcb, srto->srto_assoc_id);
3618 if (srto->srto_initial)
3619 new_init = srto->srto_initial;
3621 new_init = stcb->asoc.initial_rto;
3623 new_max = srto->srto_max;
3625 new_max = stcb->asoc.maxrto;
3627 new_min = srto->srto_min;
3629 new_min = stcb->asoc.minrto;
3630 if ((new_min <= new_init) && (new_init <= new_max)) {
3631 stcb->asoc.initial_rto = new_init;
3632 stcb->asoc.maxrto = new_max;
3633 stcb->asoc.minrto = new_min;
3635 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDOM);
3638 SCTP_TCB_UNLOCK(stcb);
3640 SCTP_INP_WLOCK(inp);
3641 if (srto->srto_initial)
3642 new_init = srto->srto_initial;
3644 new_init = inp->sctp_ep.initial_rto;
3646 new_max = srto->srto_max;
3648 new_max = inp->sctp_ep.sctp_maxrto;
3650 new_min = srto->srto_min;
3652 new_min = inp->sctp_ep.sctp_minrto;
3653 if ((new_min <= new_init) && (new_init <= new_max)) {
3654 inp->sctp_ep.initial_rto = new_init;
3655 inp->sctp_ep.sctp_maxrto = new_max;
3656 inp->sctp_ep.sctp_minrto = new_min;
3658 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EDOM);
3661 SCTP_INP_WUNLOCK(inp);
3665 case SCTP_ASSOCINFO:
3667 struct sctp_assocparams *sasoc;
3669 SCTP_CHECK_AND_CAST(sasoc, optval, struct sctp_assocparams, optsize);
3670 SCTP_FIND_STCB(inp, stcb, sasoc->sasoc_assoc_id);
3671 if (sasoc->sasoc_cookie_life) {
3672 /* boundary check the cookie life */
3673 if (sasoc->sasoc_cookie_life < 1000)
3674 sasoc->sasoc_cookie_life = 1000;
3675 if (sasoc->sasoc_cookie_life > SCTP_MAX_COOKIE_LIFE) {
3676 sasoc->sasoc_cookie_life = SCTP_MAX_COOKIE_LIFE;
3680 if (sasoc->sasoc_asocmaxrxt)
3681 stcb->asoc.max_send_times = sasoc->sasoc_asocmaxrxt;
3682 sasoc->sasoc_number_peer_destinations = stcb->asoc.numnets;
3683 sasoc->sasoc_peer_rwnd = 0;
3684 sasoc->sasoc_local_rwnd = 0;
3685 if (sasoc->sasoc_cookie_life) {
3686 stcb->asoc.cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
3688 SCTP_TCB_UNLOCK(stcb);
3690 SCTP_INP_WLOCK(inp);
3691 if (sasoc->sasoc_asocmaxrxt)
3692 inp->sctp_ep.max_send_times = sasoc->sasoc_asocmaxrxt;
3693 sasoc->sasoc_number_peer_destinations = 0;
3694 sasoc->sasoc_peer_rwnd = 0;
3695 sasoc->sasoc_local_rwnd = 0;
3696 if (sasoc->sasoc_cookie_life) {
3697 inp->sctp_ep.def_cookie_life = MSEC_TO_TICKS(sasoc->sasoc_cookie_life);
3699 SCTP_INP_WUNLOCK(inp);
3705 struct sctp_initmsg *sinit;
3707 SCTP_CHECK_AND_CAST(sinit, optval, struct sctp_initmsg, optsize);
3708 SCTP_INP_WLOCK(inp);
3709 if (sinit->sinit_num_ostreams)
3710 inp->sctp_ep.pre_open_stream_count = sinit->sinit_num_ostreams;
3712 if (sinit->sinit_max_instreams)
3713 inp->sctp_ep.max_open_streams_intome = sinit->sinit_max_instreams;
3715 if (sinit->sinit_max_attempts)
3716 inp->sctp_ep.max_init_times = sinit->sinit_max_attempts;
3718 if (sinit->sinit_max_init_timeo)
3719 inp->sctp_ep.initial_init_rto_max = sinit->sinit_max_init_timeo;
3720 SCTP_INP_WUNLOCK(inp);
3723 case SCTP_PRIMARY_ADDR:
3725 struct sctp_setprim *spa;
3726 struct sctp_nets *net, *lnet;
3728 SCTP_CHECK_AND_CAST(spa, optval, struct sctp_setprim, optsize);
3729 SCTP_FIND_STCB(inp, stcb, spa->ssp_assoc_id);
3733 net = sctp_findnet(stcb, (struct sockaddr *)&spa->ssp_addr);
3736 * We increment here since
3737 * sctp_findassociation_ep_addr() wil do a
3738 * decrement if it finds the stcb as long as
3739 * the locked tcb (last argument) is NOT a
3742 SCTP_INP_INCR_REF(inp);
3743 stcb = sctp_findassociation_ep_addr(&inp,
3744 (struct sockaddr *)&spa->ssp_addr,
3747 SCTP_INP_DECR_REF(inp);
3751 if ((stcb) && (net)) {
3752 if ((net != stcb->asoc.primary_destination) &&
3753 (!(net->dest_state & SCTP_ADDR_UNCONFIRMED))) {
3754 /* Ok we need to set it */
3755 lnet = stcb->asoc.primary_destination;
3756 if (sctp_set_primary_addr(stcb, (struct sockaddr *)NULL, net) == 0) {
3757 if (net->dest_state & SCTP_ADDR_SWITCH_PRIMARY) {
3758 net->dest_state |= SCTP_ADDR_DOUBLE_SWITCH;
3760 net->dest_state |= SCTP_ADDR_SWITCH_PRIMARY;
3764 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3768 SCTP_TCB_UNLOCK(stcb);
3772 case SCTP_SET_DYNAMIC_PRIMARY:
3774 union sctp_sockstore *ss;
3776 error = priv_check(curthread,
3777 PRIV_NETINET_RESERVEDPORT);
3781 SCTP_CHECK_AND_CAST(ss, optval, union sctp_sockstore, optsize);
3782 /* SUPER USER CHECK? */
3783 error = sctp_dynamic_set_primary(&ss->sa, vrf_id);
3786 case SCTP_SET_PEER_PRIMARY_ADDR:
3788 struct sctp_setpeerprim *sspp;
3790 SCTP_CHECK_AND_CAST(sspp, optval, struct sctp_setpeerprim, optsize);
3791 SCTP_FIND_STCB(inp, stcb, sspp->sspp_assoc_id);
3793 struct sctp_ifa *ifa;
3795 ifa = sctp_find_ifa_by_addr((struct sockaddr *)&sspp->sspp_addr,
3796 stcb->asoc.vrf_id, SCTP_ADDR_NOT_LOCKED);
3798 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3802 if ((inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) == 0) {
3804 * Must validate the ifa found is in
3807 struct sctp_laddr *laddr;
3810 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
3811 if (laddr->ifa == NULL) {
3812 SCTPDBG(SCTP_DEBUG_OUTPUT1, "%s: NULL ifa\n",
3816 if (laddr->ifa == ifa) {
3822 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3827 if (sctp_set_primary_ip_address_sa(stcb,
3828 (struct sockaddr *)&sspp->sspp_addr) != 0) {
3829 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3833 SCTP_TCB_UNLOCK(stcb);
3835 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3841 case SCTP_BINDX_ADD_ADDR:
3843 struct sctp_getaddresses *addrs;
3848 td = (struct thread *)p;
3849 if (jailed(td->td_ucred)) {
3852 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses,
3854 if (addrs->addr->sa_family == AF_INET) {
3855 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
3857 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3861 if (prison && prison_ip(td->td_ucred, 0, &(((struct sockaddr_in *)(addrs->addr))->sin_addr.s_addr))) {
3862 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRNOTAVAIL);
3863 error = EADDRNOTAVAIL;
3865 } else if (addrs->addr->sa_family == AF_INET6) {
3866 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
3868 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3872 /* JAIL XXXX Add else here for V6 */
3874 sctp_bindx_add_address(so, inp, addrs->addr,
3875 addrs->sget_assoc_id, vrf_id,
3879 case SCTP_BINDX_REM_ADDR:
3881 struct sctp_getaddresses *addrs;
3886 td = (struct thread *)p;
3887 if (jailed(td->td_ucred)) {
3890 SCTP_CHECK_AND_CAST(addrs, optval, struct sctp_getaddresses, optsize);
3891 if (addrs->addr->sa_family == AF_INET) {
3892 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in);
3894 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3898 if (prison && prison_ip(td->td_ucred, 0, &(((struct sockaddr_in *)(addrs->addr))->sin_addr.s_addr))) {
3899 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRNOTAVAIL);
3900 error = EADDRNOTAVAIL;
3902 } else if (addrs->addr->sa_family == AF_INET6) {
3903 sz = sizeof(struct sctp_getaddresses) - sizeof(struct sockaddr) + sizeof(struct sockaddr_in6);
3905 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3909 /* JAIL XXXX Add else here for V6 */
3911 sctp_bindx_delete_address(so, inp, addrs->addr,
3912 addrs->sget_assoc_id, vrf_id,
3917 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOPROTOOPT);
3918 error = ENOPROTOOPT;
3920 } /* end switch (opt) */
3926 sctp_ctloutput(struct socket *so, struct sockopt *sopt)
3928 void *optval = NULL;
3930 struct sctp_inpcb *inp;
3934 inp = (struct sctp_inpcb *)so->so_pcb;
3936 /* I made the same as TCP since we are not setup? */
3937 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3938 return (ECONNRESET);
3940 if (sopt->sopt_level != IPPROTO_SCTP) {
3941 /* wrong proto level... send back up to IP */
3943 if (INP_CHECK_SOCKAF(so, AF_INET6))
3944 error = ip6_ctloutput(so, sopt);
3947 error = ip_ctloutput(so, sopt);
3950 optsize = sopt->sopt_valsize;
3952 SCTP_MALLOC(optval, void *, optsize, SCTP_M_SOCKOPT);
3953 if (optval == NULL) {
3954 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOBUFS);
3957 error = sooptcopyin(sopt, optval, optsize, optsize);
3959 SCTP_FREE(optval, SCTP_M_SOCKOPT);
3963 p = (void *)sopt->sopt_td;
3964 if (sopt->sopt_dir == SOPT_SET) {
3965 error = sctp_setopt(so, sopt->sopt_name, optval, optsize, p);
3966 } else if (sopt->sopt_dir == SOPT_GET) {
3967 error = sctp_getopt(so, sopt->sopt_name, optval, &optsize, p);
3969 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3972 if ((error == 0) && (optval != NULL)) {
3973 error = sooptcopyout(sopt, optval, optsize);
3974 SCTP_FREE(optval, SCTP_M_SOCKOPT);
3975 } else if (optval != NULL) {
3976 SCTP_FREE(optval, SCTP_M_SOCKOPT);
3984 sctp_connect(struct socket *so, struct sockaddr *addr, struct thread *p)
3987 int create_lock_on = 0;
3989 struct sctp_inpcb *inp;
3990 struct sctp_tcb *stcb = NULL;
3992 inp = (struct sctp_inpcb *)so->so_pcb;
3994 /* I made the same as TCP since we are not setup? */
3995 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
3996 return (ECONNRESET);
3999 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4002 if ((addr->sa_family == AF_INET6) && (addr->sa_len != sizeof(struct sockaddr_in6))) {
4003 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4006 if ((addr->sa_family == AF_INET) && (addr->sa_len != sizeof(struct sockaddr_in))) {
4007 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4010 SCTP_ASOC_CREATE_LOCK(inp);
4013 SCTP_INP_INCR_REF(inp);
4014 if ((inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_ALLGONE) ||
4015 (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_GONE)) {
4016 /* Should I really unlock ? */
4017 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EFAULT);
4022 if (((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) == 0) &&
4023 (addr->sa_family == AF_INET6)) {
4024 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4029 if ((inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) ==
4030 SCTP_PCB_FLAGS_UNBOUND) {
4031 /* Bind a ephemeral port */
4032 error = sctp_inpcb_bind(so, NULL, NULL, p);
4037 /* Now do we connect? */
4038 if (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL) {
4039 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4043 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
4044 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
4045 /* We are already connected AND the TCP model */
4046 SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
4050 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4051 SCTP_INP_RLOCK(inp);
4052 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4053 SCTP_INP_RUNLOCK(inp);
4056 * We increment here since sctp_findassociation_ep_addr()
4057 * wil do a decrement if it finds the stcb as long as the
4058 * locked tcb (last argument) is NOT a TCB.. aka NULL.
4060 SCTP_INP_INCR_REF(inp);
4061 stcb = sctp_findassociation_ep_addr(&inp, addr, NULL, NULL, NULL);
4063 SCTP_INP_DECR_REF(inp);
4065 SCTP_TCB_LOCK(stcb);
4069 /* Already have or am bring up an association */
4070 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
4074 vrf_id = inp->def_vrf_id;
4075 /* We are GOOD to go */
4076 stcb = sctp_aloc_assoc(inp, addr, 1, &error, 0, vrf_id, p);
4078 /* Gak! no memory */
4081 if (stcb->sctp_ep->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) {
4082 stcb->sctp_ep->sctp_flags |= SCTP_PCB_FLAGS_CONNECTED;
4083 /* Set the connected flag so we can queue data */
4086 SCTP_SET_STATE(&stcb->asoc, SCTP_STATE_COOKIE_WAIT);
4087 (void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
4089 /* initialize authentication parameters for the assoc */
4090 sctp_initialize_auth_params(inp, stcb);
4092 sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED);
4093 SCTP_TCB_UNLOCK(stcb);
4095 if (create_lock_on) {
4096 SCTP_ASOC_CREATE_UNLOCK(inp);
4098 SCTP_INP_DECR_REF(inp);
4103 sctp_listen(struct socket *so, int backlog, struct thread *p)
4106 * Note this module depends on the protocol processing being called
4107 * AFTER any socket level flags and backlog are applied to the
4108 * socket. The traditional way that the socket flags are applied is
4109 * AFTER protocol processing. We have made a change to the
4110 * sys/kern/uipc_socket.c module to reverse this but this MUST be in
4111 * place if the socket API for SCTP is to work properly.
4115 struct sctp_inpcb *inp;
4117 inp = (struct sctp_inpcb *)so->so_pcb;
4119 /* I made the same as TCP since we are not setup? */
4120 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4121 return (ECONNRESET);
4123 SCTP_INP_RLOCK(inp);
4124 #ifdef SCTP_LOCK_LOGGING
4125 if (sctp_logging_level & SCTP_LOCK_LOGGING_ENABLE) {
4126 sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
4130 error = solisten_proto_check(so);
4133 SCTP_INP_RUNLOCK(inp);
4136 if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) &&
4137 (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED)) {
4138 /* We are already connected AND the TCP model */
4139 SCTP_INP_RUNLOCK(inp);
4141 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EADDRINUSE);
4142 return (EADDRINUSE);
4144 if (inp->sctp_flags & SCTP_PCB_FLAGS_UNBOUND) {
4145 /* We must do a bind. */
4147 SCTP_INP_RUNLOCK(inp);
4148 if ((error = sctp_inpcb_bind(so, NULL, NULL, p))) {
4149 /* bind error, probably perm */
4154 SCTP_INP_RUNLOCK(inp);
4156 /* It appears for 7.0 and on, we must always call this. */
4157 solisten_proto(so, backlog);
4158 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
4159 /* remove the ACCEPTCONN flag for one-to-many sockets */
4160 so->so_options &= ~SO_ACCEPTCONN;
4163 /* turning off listen */
4164 so->so_options &= ~SO_ACCEPTCONN;
4170 static int sctp_defered_wakeup_cnt = 0;
4173 sctp_accept(struct socket *so, struct sockaddr **addr)
4175 struct sctp_tcb *stcb;
4176 struct sctp_inpcb *inp;
4177 union sctp_sockstore store;
4181 inp = (struct sctp_inpcb *)so->so_pcb;
4184 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4185 return (ECONNRESET);
4187 SCTP_INP_RLOCK(inp);
4188 if (inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) {
4189 SCTP_INP_RUNLOCK(inp);
4190 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
4191 return (EOPNOTSUPP);
4193 if (so->so_state & SS_ISDISCONNECTED) {
4194 SCTP_INP_RUNLOCK(inp);
4195 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ECONNABORTED);
4196 return (ECONNABORTED);
4198 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4200 SCTP_INP_RUNLOCK(inp);
4201 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4202 return (ECONNRESET);
4204 SCTP_TCB_LOCK(stcb);
4205 SCTP_INP_RUNLOCK(inp);
4206 store = stcb->asoc.primary_destination->ro._l_addr;
4207 SCTP_TCB_UNLOCK(stcb);
4208 if (store.sa.sa_family == AF_INET) {
4209 struct sockaddr_in *sin;
4211 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
4212 sin->sin_family = AF_INET;
4213 sin->sin_len = sizeof(*sin);
4214 sin->sin_port = ((struct sockaddr_in *)&store)->sin_port;
4215 sin->sin_addr = ((struct sockaddr_in *)&store)->sin_addr;
4216 *addr = (struct sockaddr *)sin;
4218 struct sockaddr_in6 *sin6;
4220 SCTP_MALLOC_SONAME(sin6, struct sockaddr_in6 *, sizeof *sin6);
4221 sin6->sin6_family = AF_INET6;
4222 sin6->sin6_len = sizeof(*sin6);
4223 sin6->sin6_port = ((struct sockaddr_in6 *)&store)->sin6_port;
4225 sin6->sin6_addr = ((struct sockaddr_in6 *)&store)->sin6_addr;
4226 if ((error = sa6_recoverscope(sin6)) != 0) {
4227 SCTP_FREE_SONAME(sin6);
4230 *addr = (struct sockaddr *)sin6;
4232 /* Wake any delayed sleep action */
4233 if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) {
4234 SCTP_INP_WLOCK(inp);
4235 inp->sctp_flags &= ~SCTP_PCB_FLAGS_DONT_WAKE;
4236 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEOUTPUT) {
4237 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEOUTPUT;
4238 SCTP_INP_WUNLOCK(inp);
4239 SOCKBUF_LOCK(&inp->sctp_socket->so_snd);
4240 if (sowriteable(inp->sctp_socket)) {
4241 sowwakeup_locked(inp->sctp_socket);
4243 SOCKBUF_UNLOCK(&inp->sctp_socket->so_snd);
4245 SCTP_INP_WLOCK(inp);
4247 if (inp->sctp_flags & SCTP_PCB_FLAGS_WAKEINPUT) {
4248 inp->sctp_flags &= ~SCTP_PCB_FLAGS_WAKEINPUT;
4249 SCTP_INP_WUNLOCK(inp);
4250 SOCKBUF_LOCK(&inp->sctp_socket->so_rcv);
4251 if (soreadable(inp->sctp_socket)) {
4252 sctp_defered_wakeup_cnt++;
4253 sorwakeup_locked(inp->sctp_socket);
4255 SOCKBUF_UNLOCK(&inp->sctp_socket->so_rcv);
4257 SCTP_INP_WLOCK(inp);
4259 SCTP_INP_WUNLOCK(inp);
4265 sctp_ingetaddr(struct socket *so, struct sockaddr **addr)
4267 struct sockaddr_in *sin;
4269 struct sctp_inpcb *inp;
4270 struct sctp_ifa *sctp_ifa;
4273 * Do the malloc first in case it blocks.
4275 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
4276 sin->sin_family = AF_INET;
4277 sin->sin_len = sizeof(*sin);
4278 inp = (struct sctp_inpcb *)so->so_pcb;
4280 SCTP_FREE_SONAME(sin);
4281 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4284 SCTP_INP_RLOCK(inp);
4285 sin->sin_port = inp->sctp_lport;
4286 if (inp->sctp_flags & SCTP_PCB_FLAGS_BOUNDALL) {
4287 if (inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) {
4288 struct sctp_tcb *stcb;
4289 struct sockaddr_in *sin_a;
4290 struct sctp_nets *net;
4293 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4299 SCTP_TCB_LOCK(stcb);
4300 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4301 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
4303 /* this will make coverity happy */
4306 if (sin_a->sin_family == AF_INET) {
4311 if ((!fnd) || (sin_a == NULL)) {
4313 SCTP_TCB_UNLOCK(stcb);
4316 vrf_id = inp->def_vrf_id;
4317 sctp_ifa = sctp_source_address_selection(inp,
4319 (sctp_route_t *) & net->ro,
4322 sin->sin_addr = sctp_ifa->address.sin.sin_addr;
4323 sctp_free_ifa(sctp_ifa);
4325 SCTP_TCB_UNLOCK(stcb);
4327 /* For the bound all case you get back 0 */
4329 sin->sin_addr.s_addr = 0;
4333 /* Take the first IPv4 address in the list */
4334 struct sctp_laddr *laddr;
4337 LIST_FOREACH(laddr, &inp->sctp_addr_list, sctp_nxt_addr) {
4338 if (laddr->ifa->address.sa.sa_family == AF_INET) {
4339 struct sockaddr_in *sin_a;
4341 sin_a = (struct sockaddr_in *)&laddr->ifa->address.sa;
4342 sin->sin_addr = sin_a->sin_addr;
4348 SCTP_FREE_SONAME(sin);
4349 SCTP_INP_RUNLOCK(inp);
4350 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4354 SCTP_INP_RUNLOCK(inp);
4355 (*addr) = (struct sockaddr *)sin;
4360 sctp_peeraddr(struct socket *so, struct sockaddr **addr)
4362 struct sockaddr_in *sin = (struct sockaddr_in *)*addr;
4364 struct sockaddr_in *sin_a;
4365 struct sctp_inpcb *inp;
4366 struct sctp_tcb *stcb;
4367 struct sctp_nets *net;
4369 /* Do the malloc first in case it blocks. */
4370 inp = (struct sctp_inpcb *)so->so_pcb;
4371 if ((inp == NULL) ||
4372 ((inp->sctp_flags & SCTP_PCB_FLAGS_CONNECTED) == 0)) {
4373 /* UDP type and listeners will drop out here */
4374 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOTCONN);
4377 SCTP_MALLOC_SONAME(sin, struct sockaddr_in *, sizeof *sin);
4378 sin->sin_family = AF_INET;
4379 sin->sin_len = sizeof(*sin);
4381 /* We must recapture incase we blocked */
4382 inp = (struct sctp_inpcb *)so->so_pcb;
4384 SCTP_FREE_SONAME(sin);
4385 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4388 SCTP_INP_RLOCK(inp);
4389 stcb = LIST_FIRST(&inp->sctp_asoc_list);
4391 SCTP_TCB_LOCK(stcb);
4393 SCTP_INP_RUNLOCK(inp);
4395 SCTP_FREE_SONAME(sin);
4396 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EINVAL);
4400 TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
4401 sin_a = (struct sockaddr_in *)&net->ro._l_addr;
4402 if (sin_a->sin_family == AF_INET) {
4404 sin->sin_port = stcb->rport;
4405 sin->sin_addr = sin_a->sin_addr;
4409 SCTP_TCB_UNLOCK(stcb);
4411 /* No IPv4 address */
4412 SCTP_FREE_SONAME(sin);
4413 SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
4416 (*addr) = (struct sockaddr *)sin;
4420 struct pr_usrreqs sctp_usrreqs = {
4421 .pru_abort = sctp_abort,
4422 .pru_accept = sctp_accept,
4423 .pru_attach = sctp_attach,
4424 .pru_bind = sctp_bind,
4425 .pru_connect = sctp_connect,
4426 .pru_control = in_control,
4427 .pru_close = sctp_close,
4428 .pru_detach = sctp_close,
4429 .pru_sopoll = sopoll_generic,
4430 .pru_disconnect = sctp_disconnect,
4431 .pru_listen = sctp_listen,
4432 .pru_peeraddr = sctp_peeraddr,
4433 .pru_send = sctp_sendm,
4434 .pru_shutdown = sctp_shutdown,
4435 .pru_sockaddr = sctp_ingetaddr,
4436 .pru_sosend = sctp_sosend,
4437 .pru_soreceive = sctp_soreceive