1 /* $KAME: sctp_usrreq.c,v 1.47 2005/03/06 16:04:18 itojun Exp $ */
2 /* $DragonFly: src/sys/netinet/sctp_usrreq.c,v 1.12 2007/04/22 01:13:14 dillon Exp $ */
5 * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Cisco Systems, Inc.
19 * 4. Neither the name of the project nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #if !(defined(__OpenBSD__) || defined(__APPLE__))
36 #include "opt_ipsec.h"
38 #if defined(__FreeBSD__) || defined(__DragonFly__)
39 #include "opt_inet6.h"
42 #if defined(__NetBSD__)
48 #elif !defined(__OpenBSD__)
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/malloc.h>
57 #include <sys/domain.h>
59 #include <sys/protosw.h>
60 #include <sys/socket.h>
61 #include <sys/socketvar.h>
62 #include <sys/sysctl.h>
63 #include <sys/syslog.h>
64 #include <sys/thread2.h>
66 #include <net/if_types.h>
67 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
68 #include <net/if_var.h>
70 #include <net/route.h>
71 #include <netinet/in.h>
72 #include <netinet/in_systm.h>
73 #include <netinet/ip.h>
74 #include <netinet/ip6.h>
75 #include <netinet/in_pcb.h>
76 #include <netinet/in_var.h>
77 #include <netinet/ip_var.h>
78 #include <netinet6/ip6_var.h>
79 #include <netinet6/in6_var.h>
81 #include <netinet/ip_icmp.h>
82 #include <netinet/icmp_var.h>
83 #include <netinet/sctp_pcb.h>
84 #include <netinet/sctp_header.h>
85 #include <netinet/sctp_var.h>
86 #include <netinet/sctp_output.h>
87 #include <netinet/sctp_uio.h>
88 #include <netinet/sctp_asconf.h>
89 #include <netinet/sctputil.h>
90 #include <netinet/sctp_indata.h>
91 #include <netinet/sctp_asconf.h>
94 #include <netinet6/ipsec.h>
95 #include <netproto/key/key.h>
101 #include <net/net_osdep.h>
103 #if defined(HAVE_NRL_INPCB) || defined(__FreeBSD__) || defined(__DragonFly__)
108 #define sotoin6pcb sotoinpcb
113 extern u_int32_t sctp_debug_on
;
114 #endif /* SCTP_DEBUG */
117 * sysctl tunable variables
119 int sctp_auto_asconf
= SCTP_DEFAULT_AUTO_ASCONF
;
120 int sctp_max_burst_default
= SCTP_DEF_MAX_BURST
;
121 int sctp_peer_chunk_oh
= sizeof(struct mbuf
);
122 int sctp_strict_init
= 1;
123 int sctp_no_csum_on_loopback
= 1;
124 unsigned int sctp_max_chunks_on_queue
= SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
;
125 int sctp_sendspace
= (128 * 1024);
126 int sctp_recvspace
= 128 * (1024 +
128 sizeof(struct sockaddr_in6
)
130 sizeof(struct sockaddr_in
)
133 int sctp_strict_sacks
= 0;
135 int sctp_ecn_nonce
= 0;
137 unsigned int sctp_delayed_sack_time_default
= SCTP_RECV_MSEC
;
138 unsigned int sctp_heartbeat_interval_default
= SCTP_HB_DEFAULT_MSEC
;
139 unsigned int sctp_pmtu_raise_time_default
= SCTP_DEF_PMTU_RAISE_SEC
;
140 unsigned int sctp_shutdown_guard_time_default
= SCTP_DEF_MAX_SHUTDOWN_SEC
;
141 unsigned int sctp_secret_lifetime_default
= SCTP_DEFAULT_SECRET_LIFE_SEC
;
142 unsigned int sctp_rto_max_default
= SCTP_RTO_UPPER_BOUND
;
143 unsigned int sctp_rto_min_default
= SCTP_RTO_LOWER_BOUND
;
144 unsigned int sctp_rto_initial_default
= SCTP_RTO_INITIAL
;
145 unsigned int sctp_init_rto_max_default
= SCTP_RTO_UPPER_BOUND
;
146 unsigned int sctp_valid_cookie_life_default
= SCTP_DEFAULT_COOKIE_LIFE
;
147 unsigned int sctp_init_rtx_max_default
= SCTP_DEF_MAX_INIT
;
148 unsigned int sctp_assoc_rtx_max_default
= SCTP_DEF_MAX_SEND
;
149 unsigned int sctp_path_rtx_max_default
= SCTP_DEF_MAX_SEND
/2;
150 unsigned int sctp_nr_outgoing_streams_default
= SCTP_OSTREAM_INITIAL
;
156 #define nmbclusters nmbclust
158 /* Init the SCTP pcb in sctp_pcb.c */
164 if (nmbclusters
> SCTP_ASOC_MAX_CHUNKS_ON_QUEUE
)
165 sctp_max_chunks_on_queue
= nmbclusters
;
167 /* if (nmbclust > SCTP_ASOC_MAX_CHUNKS_ON_QUEUE)
168 sctp_max_chunks_on_queue = nmbclust; FIX ME */
169 sctp_max_chunks_on_queue
= nmbclust
* 2;
172 * Allow a user to take no more than 1/2 the number of clusters
173 * or the SB_MAX whichever is smaller for the send window.
175 sb_max_adj
= (u_long
)((u_quad_t
)(SB_MAX
) * MCLBYTES
/ (MSIZE
+ MCLBYTES
));
176 sctp_sendspace
= min((min(SB_MAX
, sb_max_adj
)),
178 ((nmbclusters
/2) * SCTP_DEFAULT_MAXSEGMENT
));
180 ((nmbclust
/2) * SCTP_DEFAULT_MAXSEGMENT
));
183 * Now for the recv window, should we take the same amount?
184 * or should I do 1/2 the SB_MAX instead in the SB_MAX min above.
185 * For now I will just copy.
187 sctp_recvspace
= sctp_sendspace
;
195 ip_2_ip6_hdr(struct ip6_hdr
*ip6
, struct ip
*ip
)
197 bzero(ip6
, sizeof(*ip6
));
199 ip6
->ip6_vfc
= IPV6_VERSION
;
200 ip6
->ip6_plen
= ip
->ip_len
;
201 ip6
->ip6_nxt
= ip
->ip_p
;
202 ip6
->ip6_hlim
= ip
->ip_ttl
;
203 ip6
->ip6_src
.s6_addr32
[2] = ip6
->ip6_dst
.s6_addr32
[2] =
205 ip6
->ip6_src
.s6_addr32
[3] = ip
->ip_src
.s_addr
;
206 ip6
->ip6_dst
.s6_addr32
[3] = ip
->ip_dst
.s_addr
;
211 sctp_split_chunks(struct sctp_association
*asoc
,
212 struct sctp_stream_out
*strm
,
213 struct sctp_tmit_chunk
*chk
)
215 struct sctp_tmit_chunk
*new_chk
;
217 /* First we need a chunk */
218 new_chk
= (struct sctp_tmit_chunk
*)SCTP_ZONE_GET(sctppcbinfo
.ipi_zone_chunk
);
219 if (new_chk
== NULL
) {
220 chk
->flags
|= CHUNK_FLAGS_FRAGMENT_OK
;
223 sctppcbinfo
.ipi_count_chunk
++;
224 sctppcbinfo
.ipi_gencnt_chunk
++;
228 new_chk
->data
= m_split(chk
->data
, (chk
->send_size
>>1), MB_DONTWAIT
);
229 if (new_chk
->data
== NULL
) {
231 chk
->flags
|= CHUNK_FLAGS_FRAGMENT_OK
;
232 SCTP_ZONE_FREE(sctppcbinfo
.ipi_zone_chunk
, new_chk
);
233 sctppcbinfo
.ipi_count_chunk
--;
234 if ((int)sctppcbinfo
.ipi_count_chunk
< 0) {
235 panic("Chunk count is negative");
237 sctppcbinfo
.ipi_gencnt_chunk
++;
241 /* Data is now split adjust sizes */
242 chk
->send_size
>>= 1;
243 new_chk
->send_size
>>= 1;
245 chk
->book_size
>>= 1;
246 new_chk
->book_size
>>= 1;
248 /* now adjust the marks */
249 chk
->rec
.data
.rcv_flags
|= SCTP_DATA_FIRST_FRAG
;
250 chk
->rec
.data
.rcv_flags
&= ~SCTP_DATA_LAST_FRAG
;
252 new_chk
->rec
.data
.rcv_flags
&= ~SCTP_DATA_FIRST_FRAG
;
253 new_chk
->rec
.data
.rcv_flags
|= SCTP_DATA_LAST_FRAG
;
255 /* Increase ref count if dest is set */
257 new_chk
->whoTo
->ref_count
++;
259 /* now drop it on the end of the list*/
260 asoc
->stream_queue_cnt
++;
261 TAILQ_INSERT_AFTER(&strm
->outqueue
, chk
, new_chk
, sctp_next
);
265 sctp_notify_mbuf(struct sctp_inpcb
*inp
,
266 struct sctp_tcb
*stcb
,
267 struct sctp_nets
*net
,
277 if ((inp
== NULL
) || (stcb
== NULL
) || (net
== NULL
) ||
278 (ip
== NULL
) || (sh
== NULL
)) {
280 SCTP_TCB_UNLOCK(stcb
);
283 /* First job is to verify the vtag matches what I would send */
284 if (ntohl(sh
->v_tag
) != (stcb
->asoc
.peer_vtag
)) {
285 SCTP_TCB_UNLOCK(stcb
);
288 icmph
= (struct icmp
*)((caddr_t
)ip
- (sizeof(struct icmp
) -
290 if (icmph
->icmp_type
!= ICMP_UNREACH
) {
291 /* We only care about unreachable */
292 SCTP_TCB_UNLOCK(stcb
);
295 if (icmph
->icmp_code
!= ICMP_UNREACH_NEEDFRAG
) {
296 /* not a unreachable message due to frag. */
297 SCTP_TCB_UNLOCK(stcb
);
301 nxtsz
= ntohs(icmph
->icmp_seq
);
304 * old type router that does not tell us what the next size
305 * mtu is. Rats we will have to guess (in a educated fashion
308 nxtsz
= find_next_best_mtu(totsz
);
311 /* Stop any PMTU timer */
312 sctp_timer_stop(SCTP_TIMER_TYPE_PATHMTURAISE
, inp
, stcb
, NULL
);
314 /* Adjust destination size limit */
315 if (net
->mtu
> nxtsz
) {
318 /* now what about the ep? */
319 if (stcb
->asoc
.smallest_mtu
> nxtsz
) {
320 struct sctp_tmit_chunk
*chk
, *nchk
;
321 struct sctp_stream_out
*strm
;
322 /* Adjust that too */
323 stcb
->asoc
.smallest_mtu
= nxtsz
;
324 /* now off to subtract IP_DF flag if needed */
326 TAILQ_FOREACH(chk
, &stcb
->asoc
.send_queue
, sctp_next
) {
327 if ((chk
->send_size
+IP_HDR_SIZE
) > nxtsz
) {
328 chk
->flags
|= CHUNK_FLAGS_FRAGMENT_OK
;
331 TAILQ_FOREACH(chk
, &stcb
->asoc
.sent_queue
, sctp_next
) {
332 if ((chk
->send_size
+IP_HDR_SIZE
) > nxtsz
) {
334 * For this guy we also mark for immediate
335 * resend since we sent to big of chunk
337 chk
->flags
|= CHUNK_FLAGS_FRAGMENT_OK
;
338 if (chk
->sent
!= SCTP_DATAGRAM_RESEND
) {
339 stcb
->asoc
.sent_queue_retran_cnt
++;
341 chk
->sent
= SCTP_DATAGRAM_RESEND
;
342 chk
->rec
.data
.doing_fast_retransmit
= 0;
344 /* Clear any time so NO RTT is being done */
346 stcb
->asoc
.total_flight
-= chk
->book_size
;
347 if (stcb
->asoc
.total_flight
< 0) {
348 stcb
->asoc
.total_flight
= 0;
350 stcb
->asoc
.total_flight_count
--;
351 if (stcb
->asoc
.total_flight_count
< 0) {
352 stcb
->asoc
.total_flight_count
= 0;
354 net
->flight_size
-= chk
->book_size
;
355 if (net
->flight_size
< 0) {
356 net
->flight_size
= 0;
360 TAILQ_FOREACH(strm
, &stcb
->asoc
.out_wheel
, next_spoke
) {
361 chk
= TAILQ_FIRST(&strm
->outqueue
);
363 nchk
= TAILQ_NEXT(chk
, sctp_next
);
364 if ((chk
->send_size
+SCTP_MED_OVERHEAD
) > nxtsz
) {
365 sctp_split_chunks(&stcb
->asoc
, strm
, chk
);
371 sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE
, inp
, stcb
, NULL
);
372 SCTP_TCB_UNLOCK(stcb
);
377 sctp_notify(struct sctp_inpcb
*inp
,
381 struct sctp_tcb
*stcb
,
382 struct sctp_nets
*net
)
385 if ((inp
== NULL
) || (stcb
== NULL
) || (net
== NULL
) ||
386 (sh
== NULL
) || (to
== NULL
)) {
388 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
389 kprintf("sctp-notify, bad call\n");
391 #endif /* SCTP_DEBUG */
394 /* First job is to verify the vtag matches what I would send */
395 if (ntohl(sh
->v_tag
) != (stcb
->asoc
.peer_vtag
)) {
399 /* FIX ME FIX ME PROTOPT i.e. no SCTP should ALWAYS be an ABORT */
401 if ((error
== EHOSTUNREACH
) || /* Host is not reachable */
402 (error
== EHOSTDOWN
) || /* Host is down */
403 (error
== ECONNREFUSED
) || /* Host refused the connection, (not an abort?) */
404 (error
== ENOPROTOOPT
) /* SCTP is not present on host */
407 * Hmm reachablity problems we must examine closely.
408 * If its not reachable, we may have lost a network.
409 * Or if there is NO protocol at the other end named SCTP.
410 * well we consider it a OOTB abort.
412 if ((error
== EHOSTUNREACH
) || (error
== EHOSTDOWN
)) {
413 if (net
->dest_state
& SCTP_ADDR_REACHABLE
) {
414 /* Ok that destination is NOT reachable */
415 net
->dest_state
&= ~SCTP_ADDR_REACHABLE
;
416 net
->dest_state
|= SCTP_ADDR_NOT_REACHABLE
;
417 net
->error_count
= net
->failure_threshold
+ 1;
418 sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN
,
419 stcb
, SCTP_FAILED_THRESHOLD
,
423 SCTP_TCB_UNLOCK(stcb
);
426 * Here the peer is either playing tricks on us,
427 * including an address that belongs to someone who
428 * does not support SCTP OR was a userland
429 * implementation that shutdown and now is dead. In
430 * either case treat it like a OOTB abort with no TCB
432 sctp_abort_notification(stcb
, SCTP_PEER_FAULTY
);
433 sctp_free_assoc(inp
, stcb
);
434 /* no need to unlock here, since the TCB is gone */
437 /* Send all others to the app */
438 if (inp
->sctp_socket
) {
439 SOCK_LOCK(inp
->sctp_socket
);
440 inp
->sctp_socket
->so_error
= error
;
441 sctp_sowwakeup(inp
, inp
->sctp_socket
);
442 SOCK_UNLOCK(inp
->sctp_socket
);
445 SCTP_TCB_UNLOCK(stcb
);
449 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
454 sctp_ctlinput(int cmd
, struct sockaddr
*sa
, void *vip
)
460 if (sa
->sa_family
!= AF_INET
||
461 ((struct sockaddr_in
*)sa
)->sin_addr
.s_addr
== INADDR_ANY
) {
462 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
469 if (PRC_IS_REDIRECT(cmd
)) {
471 } else if ((unsigned)cmd
>= PRC_NCMDS
|| inetctlerrmap
[cmd
] == 0) {
472 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
479 struct sctp_inpcb
*inp
;
480 struct sctp_tcb
*stcb
;
481 struct sctp_nets
*net
;
482 struct sockaddr_in to
, from
;
484 sh
= (struct sctphdr
*)((caddr_t
)ip
+ (ip
->ip_hl
<< 2));
485 bzero(&to
, sizeof(to
));
486 bzero(&from
, sizeof(from
));
487 from
.sin_family
= to
.sin_family
= AF_INET
;
488 from
.sin_len
= to
.sin_len
= sizeof(to
);
489 from
.sin_port
= sh
->src_port
;
490 from
.sin_addr
= ip
->ip_src
;
491 to
.sin_port
= sh
->dest_port
;
492 to
.sin_addr
= ip
->ip_dst
;
495 * 'to' holds the dest of the packet that failed to be sent.
496 * 'from' holds our local endpoint address.
497 * Thus we reverse the to and the from in the lookup.
500 stcb
= sctp_findassociation_addr_sa((struct sockaddr
*)&from
,
501 (struct sockaddr
*)&to
,
503 if (stcb
!= NULL
&& inp
&& (inp
->sctp_socket
!= NULL
)) {
504 if (cmd
!= PRC_MSGSIZE
) {
506 if (cmd
== PRC_HOSTDEAD
) {
509 cm
= inetctlerrmap
[cmd
];
511 sctp_notify(inp
, cm
, sh
,
512 (struct sockaddr
*)&to
, stcb
,
515 /* handle possible ICMP size messages */
516 sctp_notify_mbuf(inp
, stcb
, net
, ip
, sh
);
519 #if (defined(__FreeBSD__) && __FreeBSD_version < 500000) || defined(__DragonFly__)
520 /* XXX must be fixed for 5.x and higher, leave for 4.x */
521 if (PRC_IS_REDIRECT(cmd
) && inp
) {
522 in_rtchange((struct inpcb
*)inp
,
526 if ((stcb
== NULL
) && (inp
!= NULL
)) {
527 /* reduce ref-count */
529 SCTP_INP_DECR_REF(inp
);
530 SCTP_INP_WUNLOCK(inp
);
536 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
543 #if defined(__FreeBSD__) || defined(__DragonFly__)
545 sctp_getcred(SYSCTL_HANDLER_ARGS
)
547 struct sockaddr_in addrs
[2];
548 struct sctp_inpcb
*inp
;
549 struct sctp_nets
*net
;
550 struct sctp_tcb
*stcb
;
553 #if __FreeBSD_version >= 500000 || defined(__DragonFly__)
554 error
= suser(req
->td
);
556 error
= suser(req
->p
);
560 error
= SYSCTL_IN(req
, addrs
, sizeof(addrs
));
565 stcb
= sctp_findassociation_addr_sa(sintosa(&addrs
[0]),
568 if (stcb
== NULL
|| inp
== NULL
|| inp
->sctp_socket
== NULL
) {
569 if ((inp
!= NULL
) && (stcb
== NULL
)) {
570 /* reduce ref-count */
572 SCTP_INP_DECR_REF(inp
);
573 SCTP_INP_WUNLOCK(inp
);
578 error
= SYSCTL_OUT(req
, inp
->sctp_socket
->so_cred
, sizeof(struct ucred
));
579 SCTP_TCB_UNLOCK(stcb
);
585 SYSCTL_PROC(_net_inet_sctp
, OID_AUTO
, getcred
, CTLTYPE_OPAQUE
|CTLFLAG_RW
,
586 0, 0, sctp_getcred
, "S,ucred", "Get the ucred of a SCTP connection");
587 #endif /* #if defined(__FreeBSD__) || defined(__DragonFly__) */
592 #if defined(__FreeBSD__) || defined (__APPLE__) || defined(__DragonFly__)
594 SYSCTL_DECL(_net_inet
);
596 SYSCTL_NODE(_net_inet
, OID_AUTO
, sctp
, CTLFLAG_RD
, 0,
599 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, maxdgram
, CTLFLAG_RW
,
600 &sctp_sendspace
, 0, "Maximum outgoing SCTP buffer size");
602 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, recvspace
, CTLFLAG_RW
,
603 &sctp_recvspace
, 0, "Maximum incoming SCTP buffer size");
605 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, auto_asconf
, CTLFLAG_RW
,
606 &sctp_auto_asconf
, 0, "Enable SCTP Auto-ASCONF");
608 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, ecn_enable
, CTLFLAG_RW
,
609 &sctp_ecn
, 0, "Enable SCTP ECN");
611 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, ecn_nonce
, CTLFLAG_RW
,
612 &sctp_ecn_nonce
, 0, "Enable SCTP ECN Nonce");
614 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, strict_sacks
, CTLFLAG_RW
,
615 &sctp_strict_sacks
, 0, "Enable SCTP Strict SACK checking");
617 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, loopback_nocsum
, CTLFLAG_RW
,
618 &sctp_no_csum_on_loopback
, 0,
619 "Enable NO Csum on packets sent on loopback");
621 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, strict_init
, CTLFLAG_RW
,
622 &sctp_strict_init
, 0,
623 "Enable strict INIT/INIT-ACK singleton enforcement");
625 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, peer_chkoh
, CTLFLAG_RW
,
626 &sctp_peer_chunk_oh
, 0,
627 "Amount to debit peers rwnd per chunk sent");
629 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, maxburst
, CTLFLAG_RW
,
630 &sctp_max_burst_default
, 0,
631 "Default max burst for sctp endpoints");
633 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, maxchunks
, CTLFLAG_RW
,
634 &sctp_max_chunks_on_queue
, 0,
635 "Default max chunks on queue per asoc");
637 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, delayed_sack_time
, CTLFLAG_RW
,
638 &sctp_delayed_sack_time_default
, 0,
639 "Default delayed SACK timer in msec");
641 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, heartbeat_interval
, CTLFLAG_RW
,
642 &sctp_heartbeat_interval_default
, 0,
643 "Default heartbeat interval in msec");
645 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, pmtu_raise_time
, CTLFLAG_RW
,
646 &sctp_pmtu_raise_time_default
, 0,
647 "Default PMTU raise timer in sec");
649 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, shutdown_guard_time
, CTLFLAG_RW
,
650 &sctp_shutdown_guard_time_default
, 0,
651 "Default shutdown guard timer in sec");
653 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, secret_lifetime
, CTLFLAG_RW
,
654 &sctp_secret_lifetime_default
, 0,
655 "Default secret lifetime in sec");
657 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, rto_max
, CTLFLAG_RW
,
658 &sctp_rto_max_default
, 0,
659 "Default maximum retransmission timeout in msec");
661 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, rto_min
, CTLFLAG_RW
,
662 &sctp_rto_min_default
, 0,
663 "Default minimum retransmission timeout in msec");
665 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, rto_initial
, CTLFLAG_RW
,
666 &sctp_rto_initial_default
, 0,
667 "Default initial retransmission timeout in msec");
669 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, init_rto_max
, CTLFLAG_RW
,
670 &sctp_init_rto_max_default
, 0,
671 "Default maximum retransmission timeout during association setup in msec");
673 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, valid_cookie_life
, CTLFLAG_RW
,
674 &sctp_valid_cookie_life_default
, 0,
675 "Default cookie lifetime in sec");
677 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, init_rtx_max
, CTLFLAG_RW
,
678 &sctp_init_rtx_max_default
, 0,
679 "Default maximum number of retransmission for INIT chunks");
681 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, assoc_rtx_max
, CTLFLAG_RW
,
682 &sctp_assoc_rtx_max_default
, 0,
683 "Default maximum number of retransmissions per association");
685 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, path_rtx_max
, CTLFLAG_RW
,
686 &sctp_path_rtx_max_default
, 0,
687 "Default maximum of retransmissions per path");
689 SYSCTL_UINT(_net_inet_sctp
, OID_AUTO
, nr_outgoing_streams
, CTLFLAG_RW
,
690 &sctp_nr_outgoing_streams_default
, 0,
691 "Default number of outgoing streams");
694 SYSCTL_INT(_net_inet_sctp
, OID_AUTO
, debug
, CTLFLAG_RW
,
695 &sctp_debug_on
, 0, "Configure debug output");
696 #endif /* SCTP_DEBUG */
700 sctp_abort(struct socket
*so
)
702 struct sctp_inpcb
*inp
;
704 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
706 return EINVAL
; /* ??? possible? panic instead? */
709 sctp_inpcb_free(inp
, 1);
715 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
716 sctp_attach(struct socket
*so
, int proto
, struct thread
*p
)
717 #elif defined(__DragonFly__)
718 sctp_attach(struct socket
*so
, int proto
, struct pru_attach_info
*ai
)
720 sctp_attach(struct socket
*so
, int proto
, struct proc
*p
)
723 struct sctp_inpcb
*inp
;
724 struct inpcb
*ip_inp
;
728 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
733 error
= soreserve(so
, sctp_sendspace
, sctp_recvspace
, NULL
);
738 error
= sctp_inpcb_alloc(so
);
743 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
746 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_BOUND_V6
; /* I'm not v6! */
747 ip_inp
= &inp
->ip_inp
.inp
;
748 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
749 ip_inp
->inp_vflag
|= INP_IPV4
;
750 ip_inp
->inp_ip_ttl
= ip_defttl
;
752 inp
->inp_vflag
|= INP_IPV4
;
753 inp
->inp_ip_ttl
= ip_defttl
;
757 #if !(defined(__OpenBSD__) || defined(__APPLE__))
758 error
= ipsec_init_policy(so
, &ip_inp
->inp_sp
);
760 sctp_inpcb_free(inp
, 1);
765 SCTP_INP_WUNLOCK(inp
);
766 #if defined(__NetBSD__)
767 so
->so_send
= sctp_sosend
;
774 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
775 sctp_bind(struct socket
*so
, struct sockaddr
*addr
, struct thread
*p
)
777 #elif defined(__FreeBSD__) || defined(__APPLE__)
778 sctp_bind(struct socket
*so
, struct sockaddr
*addr
, struct proc
*p
)
781 sctp_bind(struct socket
*so
, struct mbuf
*nam
, struct proc
*p
)
783 struct sockaddr
*addr
= nam
? mtod(nam
, struct sockaddr
*) : NULL
;
785 struct sctp_inpcb
*inp
;
789 if (addr
&& addr
->sa_family
!= AF_INET
)
790 /* must be a v4 address! */
794 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
799 error
= sctp_inpcb_bind(so
, addr
, p
);
806 sctp_detach(struct socket
*so
)
808 struct sctp_inpcb
*inp
;
810 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
814 if (((so
->so_options
& SO_LINGER
) && (so
->so_linger
== 0)) ||
815 (so
->so_rcv
.ssb_cc
> 0)) {
816 sctp_inpcb_free(inp
, 1);
818 sctp_inpcb_free(inp
, 0);
825 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
826 sctp_send(struct socket
*so
, int flags
, struct mbuf
*m
, struct sockaddr
*addr
,
827 struct mbuf
*control
, struct thread
*p
);
829 sctp_send(struct socket
*so
, int flags
, struct mbuf
*m
, struct sockaddr
*addr
,
830 struct mbuf
*control
, struct proc
*p
);
834 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
835 sctp_send(struct socket
*so
, int flags
, struct mbuf
*m
, struct sockaddr
*addr
,
836 struct mbuf
*control
, struct thread
*p
)
839 sctp_send(struct socket
*so
, int flags
, struct mbuf
*m
, struct sockaddr
*addr
,
840 struct mbuf
*control
, struct proc
*p
)
843 struct sctp_inpcb
*inp
;
845 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
848 sctp_m_freem(control
);
854 /* Got to have an to address if we are NOT a connected socket */
855 if ((addr
== NULL
) &&
856 ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) ||
857 (inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
))
860 } else if (addr
== NULL
) {
861 error
= EDESTADDRREQ
;
864 sctp_m_freem(control
);
870 if (addr
->sa_family
!= AF_INET
) {
871 /* must be a v4 address! */
874 sctp_m_freem(control
);
877 error
= EDESTADDRREQ
;
882 /* now what about control */
885 kprintf("huh? control set?\n");
886 sctp_m_freem(inp
->control
);
889 inp
->control
= control
;
891 /* add it in possibly */
892 if ((inp
->pkt
) && (inp
->pkt
->m_flags
& M_PKTHDR
)) {
898 for (x
=m
;x
;x
= x
->m_next
) {
901 inp
->pkt
->m_pkthdr
.len
+= c_len
;
905 inp
->pkt_last
->m_next
= m
;
908 inp
->pkt_last
= inp
->pkt
= m
;
911 #if defined (__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
912 /* FreeBSD uses a flag passed */
913 ((flags
& PRUS_MORETOCOME
) == 0)
914 #elif defined( __NetBSD__)
915 /* NetBSD uses the so_state field */
916 ((so
->so_state
& SS_MORETOCOME
) == 0)
918 1 /* Open BSD does not have any "more to come" indication */
922 * note with the current version this code will only be used
923 * by OpenBSD-- NetBSD, FreeBSD, and MacOS have methods for
924 * re-defining sosend to use the sctp_sosend. One can
925 * optionally switch back to this code (by changing back the
926 * definitions) but this is not advisable.
929 ret
= sctp_output(inp
, inp
->pkt
, addr
, inp
->control
, p
, flags
);
939 sctp_disconnect(struct socket
*so
)
941 struct sctp_inpcb
*inp
;
944 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
950 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) {
951 if (LIST_EMPTY(&inp
->sctp_asoc_list
)) {
954 SCTP_INP_RUNLOCK(inp
);
957 int some_on_streamwheel
= 0;
958 struct sctp_association
*asoc
;
959 struct sctp_tcb
*stcb
;
961 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
964 SCTP_INP_RUNLOCK(inp
);
969 if (((so
->so_options
& SO_LINGER
) &&
970 (so
->so_linger
== 0)) ||
971 (so
->so_rcv
.ssb_cc
> 0)) {
972 if (SCTP_GET_STATE(asoc
) !=
973 SCTP_STATE_COOKIE_WAIT
) {
974 /* Left with Data unread */
977 MGET(err
, MB_DONTWAIT
, MT_DATA
);
979 /* Fill in the user initiated abort */
980 struct sctp_paramhdr
*ph
;
981 ph
= mtod(err
, struct sctp_paramhdr
*);
982 err
->m_len
= sizeof(struct sctp_paramhdr
);
983 ph
->param_type
= htons(SCTP_CAUSE_USER_INITIATED_ABT
);
984 ph
->param_length
= htons(err
->m_len
);
986 sctp_send_abort_tcb(stcb
, err
);
988 SCTP_INP_RUNLOCK(inp
);
989 sctp_free_assoc(inp
, stcb
);
990 /* No unlock tcb assoc is gone */
994 if (!TAILQ_EMPTY(&asoc
->out_wheel
)) {
995 /* Check to see if some data queued */
996 struct sctp_stream_out
*outs
;
997 TAILQ_FOREACH(outs
, &asoc
->out_wheel
,
999 if (!TAILQ_EMPTY(&outs
->outqueue
)) {
1000 some_on_streamwheel
= 1;
1006 if (TAILQ_EMPTY(&asoc
->send_queue
) &&
1007 TAILQ_EMPTY(&asoc
->sent_queue
) &&
1008 (some_on_streamwheel
== 0)) {
1009 /* there is nothing queued to send, so done */
1010 if ((SCTP_GET_STATE(asoc
) !=
1011 SCTP_STATE_SHUTDOWN_SENT
) &&
1012 (SCTP_GET_STATE(asoc
) !=
1013 SCTP_STATE_SHUTDOWN_ACK_SENT
)) {
1014 /* only send SHUTDOWN 1st time thru */
1016 if (sctp_debug_on
& SCTP_DEBUG_OUTPUT4
) {
1017 kprintf("%s:%d sends a shutdown\n",
1023 sctp_send_shutdown(stcb
,
1024 stcb
->asoc
.primary_destination
);
1025 sctp_chunk_output(stcb
->sctp_ep
, stcb
, 1);
1026 asoc
->state
= SCTP_STATE_SHUTDOWN_SENT
;
1027 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN
,
1028 stcb
->sctp_ep
, stcb
,
1029 asoc
->primary_destination
);
1030 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD
,
1031 stcb
->sctp_ep
, stcb
,
1032 asoc
->primary_destination
);
1036 * we still got (or just got) data to send,
1037 * so set SHUTDOWN_PENDING
1040 * XXX sockets draft says that MSG_EOF should
1041 * be sent with no data.
1042 * currently, we will allow user data to be
1043 * sent first and move to SHUTDOWN-PENDING
1045 asoc
->state
|= SCTP_STATE_SHUTDOWN_PENDING
;
1047 SCTP_TCB_UNLOCK(stcb
);
1048 SCTP_INP_RUNLOCK(inp
);
1054 /* UDP model does not support this */
1055 SCTP_INP_RUNLOCK(inp
);
1062 sctp_shutdown(struct socket
*so
)
1064 struct sctp_inpcb
*inp
;
1067 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
1072 SCTP_INP_RLOCK(inp
);
1073 /* For UDP model this is a invalid call */
1074 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_UDPTYPE
) {
1075 /* Restore the flags that the soshutdown took away. */
1076 #if defined(__FreeBSD__) && __FreeBSD_version >= 502115
1077 so
->so_rcv
.sb_state
&= ~SBS_CANTRCVMORE
;
1079 so
->so_state
&= ~SS_CANTRCVMORE
;
1081 /* This proc will wakeup for read and do nothing (I hope) */
1083 SCTP_INP_RUNLOCK(inp
);
1084 return (EOPNOTSUPP
);
1087 * Ok if we reach here its the TCP model and it is either a SHUT_WR
1088 * or SHUT_RDWR. This means we put the shutdown flag against it.
1091 int some_on_streamwheel
= 0;
1092 struct sctp_tcb
*stcb
;
1093 struct sctp_association
*asoc
;
1096 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
1099 * Ok we hit the case that the shutdown call was made
1100 * after an abort or something. Nothing to do now.
1105 SCTP_TCB_LOCK(stcb
);
1108 if (!TAILQ_EMPTY(&asoc
->out_wheel
)) {
1109 /* Check to see if some data queued */
1110 struct sctp_stream_out
*outs
;
1111 TAILQ_FOREACH(outs
, &asoc
->out_wheel
, next_spoke
) {
1112 if (!TAILQ_EMPTY(&outs
->outqueue
)) {
1113 some_on_streamwheel
= 1;
1118 if (TAILQ_EMPTY(&asoc
->send_queue
) &&
1119 TAILQ_EMPTY(&asoc
->sent_queue
) &&
1120 (some_on_streamwheel
== 0)) {
1121 /* there is nothing queued to send, so I'm done... */
1122 if (SCTP_GET_STATE(asoc
) != SCTP_STATE_SHUTDOWN_SENT
) {
1123 /* only send SHUTDOWN the first time through */
1125 if (sctp_debug_on
& SCTP_DEBUG_OUTPUT4
) {
1126 kprintf("%s:%d sends a shutdown\n",
1132 sctp_send_shutdown(stcb
,
1133 stcb
->asoc
.primary_destination
);
1134 sctp_chunk_output(stcb
->sctp_ep
, stcb
, 1);
1135 asoc
->state
= SCTP_STATE_SHUTDOWN_SENT
;
1136 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWN
,
1137 stcb
->sctp_ep
, stcb
,
1138 asoc
->primary_destination
);
1139 sctp_timer_start(SCTP_TIMER_TYPE_SHUTDOWNGUARD
,
1140 stcb
->sctp_ep
, stcb
,
1141 asoc
->primary_destination
);
1145 * we still got (or just got) data to send, so
1146 * set SHUTDOWN_PENDING
1148 asoc
->state
|= SCTP_STATE_SHUTDOWN_PENDING
;
1150 SCTP_TCB_UNLOCK(stcb
);
1152 SCTP_INP_RUNLOCK(inp
);
1158 * copies a "user" presentable address and removes embedded scope, etc.
1159 * returns 0 on success, 1 on error
1162 sctp_fill_user_address(struct sockaddr_storage
*ss
, struct sockaddr
*sa
)
1164 struct sockaddr_in6 lsa6
;
1165 sa
= (struct sockaddr
*)sctp_recover_scope((struct sockaddr_in6
*)sa
,
1167 memcpy(ss
, sa
, sa
->sa_len
);
1172 #if defined(__NetBSD__) || defined(__OpenBSD__)
1174 * On NetBSD and OpenBSD in6_sin_2_v4mapsin6() not used and not exported,
1175 * so we have to export it here.
1177 void in6_sin_2_v4mapsin6(struct sockaddr_in
*sin
, struct sockaddr_in6
*sin6
);
1181 sctp_fill_up_addresses(struct sctp_inpcb
*inp
,
1182 struct sctp_tcb
*stcb
,
1184 struct sockaddr_storage
*sas
)
1188 int loopback_scope
, ipv4_local_scope
, local_scope
, site_scope
, actual
;
1189 int ipv4_addr_legal
, ipv6_addr_legal
;
1195 /* Turn on all the appropriate scope */
1196 loopback_scope
= stcb
->asoc
.loopback_scope
;
1197 ipv4_local_scope
= stcb
->asoc
.ipv4_local_scope
;
1198 local_scope
= stcb
->asoc
.local_scope
;
1199 site_scope
= stcb
->asoc
.site_scope
;
1201 /* Turn on ALL scope, since we look at the EP */
1202 loopback_scope
= ipv4_local_scope
= local_scope
=
1205 ipv4_addr_legal
= ipv6_addr_legal
= 0;
1206 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) {
1207 ipv6_addr_legal
= 1;
1209 #if defined(__OpenBSD__)
1210 (0) /* we always do dual bind */
1211 #elif defined (__NetBSD__)
1212 (((struct in6pcb
*)inp
)->in6p_flags
& IN6P_IPV6_V6ONLY
)
1214 (((struct in6pcb
*)inp
)->inp_flags
& IN6P_IPV6_V6ONLY
)
1217 ipv4_addr_legal
= 1;
1220 ipv4_addr_legal
= 1;
1223 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUNDALL
) {
1224 TAILQ_FOREACH(ifn
, &ifnet
, if_list
) {
1225 if ((loopback_scope
== 0) &&
1226 (ifn
->if_type
== IFT_LOOP
)) {
1227 /* Skip loopback if loopback_scope not set */
1230 TAILQ_FOREACH(ifa
, &ifn
->if_addrlist
, ifa_list
) {
1233 * For the BOUND-ALL case, the list
1234 * associated with a TCB is Always
1235 * considered a reverse list.. i.e.
1236 * it lists addresses that are NOT
1237 * part of the association. If this
1238 * is one of those we must skip it.
1240 if (sctp_is_addr_restricted(stcb
,
1245 if ((ifa
->ifa_addr
->sa_family
== AF_INET
) &&
1246 (ipv4_addr_legal
)) {
1247 struct sockaddr_in
*sin
;
1248 sin
= (struct sockaddr_in
*)ifa
->ifa_addr
;
1249 if (sin
->sin_addr
.s_addr
== 0) {
1250 /* we skip unspecifed addresses */
1253 if ((ipv4_local_scope
== 0) &&
1254 (IN4_ISPRIVATE_ADDRESS(&sin
->sin_addr
))) {
1257 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
) {
1258 in6_sin_2_v4mapsin6(sin
, (struct sockaddr_in6
*)sas
);
1259 ((struct sockaddr_in6
*)sas
)->sin6_port
= inp
->sctp_lport
;
1260 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+ sizeof(struct sockaddr_in6
));
1261 actual
+= sizeof(sizeof(struct sockaddr_in6
));
1263 memcpy(sas
, sin
, sizeof(*sin
));
1264 ((struct sockaddr_in
*)sas
)->sin_port
= inp
->sctp_lport
;
1265 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+ sizeof(*sin
));
1266 actual
+= sizeof(*sin
);
1268 if (actual
>= limit
) {
1271 } else if ((ifa
->ifa_addr
->sa_family
== AF_INET6
) &&
1272 (ipv6_addr_legal
)) {
1273 struct sockaddr_in6
*sin6
, lsa6
;
1274 sin6
= (struct sockaddr_in6
*)ifa
->ifa_addr
;
1275 if (IN6_IS_ADDR_UNSPECIFIED(&sin6
->sin6_addr
)) {
1276 /* we skip unspecifed addresses */
1279 if (IN6_IS_ADDR_LINKLOCAL(&sin6
->sin6_addr
)) {
1280 if (local_scope
== 0)
1282 if (sin6
->sin6_scope_id
== 0) {
1284 if (in6_recoverscope(&lsa6
,
1287 /* bad link local address */
1292 if ((site_scope
== 0) &&
1293 (IN6_IS_ADDR_SITELOCAL(&sin6
->sin6_addr
))) {
1296 memcpy(sas
, sin6
, sizeof(*sin6
));
1297 ((struct sockaddr_in6
*)sas
)->sin6_port
= inp
->sctp_lport
;
1298 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+ sizeof(*sin6
));
1299 actual
+= sizeof(*sin6
);
1300 if (actual
>= limit
) {
1307 struct sctp_laddr
*laddr
;
1309 * If we have a TCB and we do NOT support ASCONF (it's
1310 * turned off or otherwise) then the list is always the
1311 * true list of addresses (the else case below). Otherwise
1312 * the list on the association is a list of addresses that
1313 * are NOT part of the association.
1315 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_DO_ASCONF
) {
1316 /* The list is a NEGATIVE list */
1317 LIST_FOREACH(laddr
, &inp
->sctp_addr_list
, sctp_nxt_addr
) {
1319 if (sctp_is_addr_restricted(stcb
, laddr
->ifa
->ifa_addr
)) {
1323 if (sctp_fill_user_address(sas
, laddr
->ifa
->ifa_addr
))
1326 ((struct sockaddr_in6
*)sas
)->sin6_port
= inp
->sctp_lport
;
1327 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+
1328 laddr
->ifa
->ifa_addr
->sa_len
);
1329 actual
+= laddr
->ifa
->ifa_addr
->sa_len
;
1330 if (actual
>= limit
) {
1335 /* The list is a positive list if present */
1337 /* Must use the specific association list */
1338 LIST_FOREACH(laddr
, &stcb
->asoc
.sctp_local_addr_list
,
1340 if (sctp_fill_user_address(sas
,
1341 laddr
->ifa
->ifa_addr
))
1343 ((struct sockaddr_in6
*)sas
)->sin6_port
= inp
->sctp_lport
;
1344 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+
1345 laddr
->ifa
->ifa_addr
->sa_len
);
1346 actual
+= laddr
->ifa
->ifa_addr
->sa_len
;
1347 if (actual
>= limit
) {
1352 /* No endpoint so use the endpoints individual list */
1353 LIST_FOREACH(laddr
, &inp
->sctp_addr_list
,
1355 if (sctp_fill_user_address(sas
,
1356 laddr
->ifa
->ifa_addr
))
1358 ((struct sockaddr_in6
*)sas
)->sin6_port
= inp
->sctp_lport
;
1359 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+
1360 laddr
->ifa
->ifa_addr
->sa_len
);
1361 actual
+= laddr
->ifa
->ifa_addr
->sa_len
;
1362 if (actual
>= limit
) {
1373 sctp_count_max_addresses(struct sctp_inpcb
*inp
)
1377 * In both sub-set bound an bound_all cases we return the MAXIMUM
1378 * number of addresses that you COULD get. In reality the sub-set
1379 * bound may have an exclusion list for a given TCB OR in the
1380 * bound-all case a TCB may NOT include the loopback or other
1381 * addresses as well.
1383 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUNDALL
) {
1387 TAILQ_FOREACH(ifn
, &ifnet
, if_list
) {
1388 TAILQ_FOREACH(ifa
, &ifn
->if_addrlist
, ifa_list
) {
1389 /* Count them if they are the right type */
1390 if (ifa
->ifa_addr
->sa_family
== AF_INET
) {
1391 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
)
1392 cnt
+= sizeof(struct sockaddr_in6
);
1394 cnt
+= sizeof(struct sockaddr_in
);
1396 } else if (ifa
->ifa_addr
->sa_family
== AF_INET6
)
1397 cnt
+= sizeof(struct sockaddr_in6
);
1401 struct sctp_laddr
*laddr
;
1402 LIST_FOREACH(laddr
, &inp
->sctp_addr_list
, sctp_nxt_addr
) {
1403 if (laddr
->ifa
->ifa_addr
->sa_family
== AF_INET
) {
1404 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
)
1405 cnt
+= sizeof(struct sockaddr_in6
);
1407 cnt
+= sizeof(struct sockaddr_in
);
1409 } else if (laddr
->ifa
->ifa_addr
->sa_family
== AF_INET6
)
1410 cnt
+= sizeof(struct sockaddr_in6
);
1417 sctp_do_connect_x(struct socket
*so
,
1418 struct sctp_inpcb
*inp
,
1420 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
1429 struct sctp_tcb
*stcb
= NULL
;
1430 struct sockaddr
*sa
;
1431 int num_v6
=0, num_v4
=0, *totaddrp
, totaddr
, i
, incr
, at
;
1433 if (sctp_debug_on
& SCTP_DEBUG_PCB1
) {
1434 kprintf("Connectx called\n");
1436 #endif /* SCTP_DEBUG */
1439 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) &&
1440 (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
)) {
1441 /* We are already connected AND the TCP model */
1443 return (EADDRINUSE
);
1445 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
1446 SCTP_INP_RLOCK(inp
);
1447 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
1448 SCTP_INP_RUNLOCK(inp
);
1455 SCTP_ASOC_CREATE_LOCK(inp
);
1456 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_SOCKET_GONE
) ||
1457 (inp
->sctp_flags
& SCTP_PCB_FLAGS_SOCKET_GONE
)) {
1458 SCTP_ASOC_CREATE_UNLOCK(inp
);
1463 totaddrp
= mtod(m
, int *);
1464 totaddr
= *totaddrp
;
1465 sa
= (struct sockaddr
*)(totaddrp
+ 1);
1467 /* account and validate addresses */
1468 SCTP_INP_WLOCK(inp
);
1469 SCTP_INP_INCR_REF(inp
);
1470 SCTP_INP_WUNLOCK(inp
);
1471 for (i
= 0; i
< totaddr
; i
++) {
1472 if (sa
->sa_family
== AF_INET
) {
1474 incr
= sizeof(struct sockaddr_in
);
1475 } else if (sa
->sa_family
== AF_INET6
) {
1476 struct sockaddr_in6
*sin6
;
1477 sin6
= (struct sockaddr_in6
*)sa
;
1478 if (IN6_IS_ADDR_V4MAPPED(&sin6
->sin6_addr
)) {
1479 /* Must be non-mapped for connectx */
1480 SCTP_ASOC_CREATE_UNLOCK(inp
);
1485 incr
= sizeof(struct sockaddr_in6
);
1490 stcb
= sctp_findassociation_ep_addr(&inp
, sa
, NULL
, NULL
, NULL
);
1492 /* Already have or am bring up an association */
1493 SCTP_ASOC_CREATE_UNLOCK(inp
);
1494 SCTP_TCB_UNLOCK(stcb
);
1498 if ((at
+ incr
) > m
->m_len
) {
1502 sa
= (struct sockaddr
*)((caddr_t
)sa
+ incr
);
1504 sa
= (struct sockaddr
*)(totaddrp
+ 1);
1505 SCTP_INP_WLOCK(inp
);
1506 SCTP_INP_DECR_REF(inp
);
1507 SCTP_INP_WUNLOCK(inp
);
1509 if (((inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) == 0) &&
1512 SCTP_INP_WUNLOCK(inp
);
1513 SCTP_ASOC_CREATE_UNLOCK(inp
);
1516 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) &&
1518 struct in6pcb
*inp6
;
1519 inp6
= (struct in6pcb
*)inp
;
1521 #if defined(__OpenBSD__)
1522 (0) /* we always do dual bind */
1523 #elif defined (__NetBSD__)
1524 (inp6
->in6p_flags
& IN6P_IPV6_V6ONLY
)
1526 (inp6
->inp_flags
& IN6P_IPV6_V6ONLY
)
1530 * if IPV6_V6ONLY flag, ignore connections
1531 * destined to a v4 addr or v4-mapped addr
1533 SCTP_INP_WUNLOCK(inp
);
1534 SCTP_ASOC_CREATE_UNLOCK(inp
);
1540 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_UNBOUND
) ==
1541 SCTP_PCB_FLAGS_UNBOUND
) {
1542 /* Bind a ephemeral port */
1543 SCTP_INP_WUNLOCK(inp
);
1544 error
= sctp_inpcb_bind(so
, NULL
, p
);
1546 SCTP_ASOC_CREATE_UNLOCK(inp
);
1551 SCTP_INP_WUNLOCK(inp
);
1553 /* We are GOOD to go */
1554 stcb
= sctp_aloc_assoc(inp
, sa
, 1, &error
, 0);
1556 /* Gak! no memory */
1557 SCTP_ASOC_CREATE_UNLOCK(inp
);
1561 /* move to second address */
1562 if (sa
->sa_family
== AF_INET
)
1563 sa
= (struct sockaddr
*)((caddr_t
)sa
+ sizeof(struct sockaddr_in
));
1565 sa
= (struct sockaddr
*)((caddr_t
)sa
+ sizeof(struct sockaddr_in6
));
1567 for (i
= 1; i
< totaddr
; i
++) {
1568 if (sa
->sa_family
== AF_INET
) {
1569 incr
= sizeof(struct sockaddr_in
);
1570 if (sctp_add_remote_addr(stcb
, sa
, 0, 8)) {
1571 /* assoc gone no un-lock */
1572 sctp_free_assoc(inp
, stcb
);
1573 SCTP_ASOC_CREATE_UNLOCK(inp
);
1578 } else if (sa
->sa_family
== AF_INET6
) {
1579 incr
= sizeof(struct sockaddr_in6
);
1580 if (sctp_add_remote_addr(stcb
, sa
, 0, 8)) {
1581 /* assoc gone no un-lock */
1582 sctp_free_assoc(inp
, stcb
);
1583 SCTP_ASOC_CREATE_UNLOCK(inp
);
1588 sa
= (struct sockaddr
*)((caddr_t
)sa
+ incr
);
1590 stcb
->asoc
.state
= SCTP_STATE_COOKIE_WAIT
;
1592 /* doing delayed connection */
1593 stcb
->asoc
.delayed_connection
= 1;
1594 sctp_timer_start(SCTP_TIMER_TYPE_INIT
, inp
, stcb
, stcb
->asoc
.primary_destination
);
1596 SCTP_GETTIME_TIMEVAL(&stcb
->asoc
.time_entered
);
1597 sctp_send_initiate(inp
, stcb
);
1599 SCTP_TCB_UNLOCK(stcb
);
1600 if (stcb
->sctp_ep
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) {
1601 stcb
->sctp_ep
->sctp_flags
|= SCTP_PCB_FLAGS_CONNECTED
;
1602 /* Set the connected flag so we can queue data */
1605 SCTP_ASOC_CREATE_UNLOCK(inp
);
1612 sctp_optsget(struct socket
*so
,
1615 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
1622 struct sctp_inpcb
*inp
;
1624 int error
, optval
=0;
1625 struct sctp_tcb
*stcb
= NULL
;
1627 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
1634 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
1635 kprintf("optsget:MP is NULL EINVAL\n");
1637 #endif /* SCTP_DEBUG */
1642 /* Got to have a mbuf */
1644 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
1645 kprintf("Huh no mbuf\n");
1647 #endif /* SCTP_DEBUG */
1651 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
1652 kprintf("optsget opt:%lxx sz:%u\n", (unsigned long)opt
,
1655 #endif /* SCTP_DEBUG */
1659 case SCTP_AUTOCLOSE
:
1660 case SCTP_AUTO_ASCONF
:
1661 case SCTP_DISABLE_FRAGMENTS
:
1662 case SCTP_I_WANT_MAPPED_V4_ADDR
:
1664 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
1665 kprintf("other stuff\n");
1667 #endif /* SCTP_DEBUG */
1668 SCTP_INP_RLOCK(inp
);
1670 case SCTP_DISABLE_FRAGMENTS
:
1671 optval
= inp
->sctp_flags
& SCTP_PCB_FLAGS_NO_FRAGMENT
;
1673 case SCTP_I_WANT_MAPPED_V4_ADDR
:
1674 optval
= inp
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
;
1676 case SCTP_AUTO_ASCONF
:
1677 optval
= inp
->sctp_flags
& SCTP_PCB_FLAGS_AUTO_ASCONF
;
1680 optval
= inp
->sctp_flags
& SCTP_PCB_FLAGS_NODELAY
;
1682 case SCTP_AUTOCLOSE
:
1683 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_AUTOCLOSE
) ==
1684 SCTP_PCB_FLAGS_AUTOCLOSE
)
1685 optval
= inp
->sctp_ep
.auto_close_time
;
1691 error
= ENOPROTOOPT
;
1692 } /* end switch (sopt->sopt_name) */
1693 if (opt
!= SCTP_AUTOCLOSE
) {
1694 /* make it an "on/off" value */
1695 optval
= (optval
!= 0);
1697 if ((size_t)m
->m_len
< sizeof(int)) {
1700 SCTP_INP_RUNLOCK(inp
);
1702 /* return the option value */
1703 *mtod(m
, int *) = optval
;
1704 m
->m_len
= sizeof(optval
);
1707 case SCTP_GET_ASOC_ID_LIST
:
1709 struct sctp_assoc_ids
*ids
;
1713 if ((size_t)m
->m_len
< sizeof(struct sctp_assoc_ids
)) {
1717 ids
= mtod(m
, struct sctp_assoc_ids
*);
1719 SCTP_INP_RLOCK(inp
);
1720 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
1723 ids
->asls_numb_present
= 0;
1724 ids
->asls_more_to_get
= 0;
1725 SCTP_INP_RUNLOCK(inp
);
1728 orig
= ids
->asls_assoc_start
;
1729 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
1731 stcb
= LIST_NEXT(stcb
, sctp_tcblist
);
1739 ids
->asls_numb_present
= 0;
1740 ids
->asls_more_to_get
= 1;
1741 while(at
< MAX_ASOC_IDS_RET
) {
1742 ids
->asls_assoc_id
[at
] = sctp_get_associd(stcb
);
1744 ids
->asls_numb_present
++;
1745 stcb
= LIST_NEXT(stcb
, sctp_tcblist
);
1747 ids
->asls_more_to_get
= 0;
1751 SCTP_INP_RUNLOCK(inp
);
1754 case SCTP_GET_NONCE_VALUES
:
1756 struct sctp_get_nonce_values
*gnv
;
1757 if ((size_t)m
->m_len
< sizeof(struct sctp_get_nonce_values
)) {
1761 gnv
= mtod(m
, struct sctp_get_nonce_values
*);
1762 stcb
= sctp_findassociation_ep_asocid(inp
, gnv
->gn_assoc_id
);
1766 gnv
->gn_peers_tag
= stcb
->asoc
.peer_vtag
;
1767 gnv
->gn_local_tag
= stcb
->asoc
.my_vtag
;
1768 SCTP_TCB_UNLOCK(stcb
);
1773 case SCTP_PEER_PUBLIC_KEY
:
1774 case SCTP_MY_PUBLIC_KEY
:
1775 case SCTP_SET_AUTH_CHUNKS
:
1776 case SCTP_SET_AUTH_SECRET
:
1777 /* not supported yet and until we refine the draft */
1781 case SCTP_DELAYED_ACK_TIME
:
1784 if ((size_t)m
->m_len
< sizeof(int32_t)) {
1788 tm
= mtod(m
, int32_t *);
1790 *tm
= TICKS_TO_MSEC(inp
->sctp_ep
.sctp_timeoutticks
[SCTP_TIMER_RECV
]);
1794 case SCTP_GET_SNDBUF_USE
:
1795 if ((size_t)m
->m_len
< sizeof(struct sctp_sockstat
)) {
1798 struct sctp_sockstat
*ss
;
1799 struct sctp_tcb
*stcb
;
1800 struct sctp_association
*asoc
;
1801 ss
= mtod(m
, struct sctp_sockstat
*);
1802 stcb
= sctp_findassociation_ep_asocid(inp
, ss
->ss_assoc_id
);
1807 ss
->ss_total_sndbuf
= (u_int32_t
)asoc
->total_output_queue_size
;
1808 ss
->ss_total_mbuf_sndbuf
= (u_int32_t
)asoc
->total_output_mbuf_queue_size
;
1809 ss
->ss_total_recv_buf
= (u_int32_t
)(asoc
->size_on_delivery_queue
+
1810 asoc
->size_on_reasm_queue
+
1811 asoc
->size_on_all_streams
);
1812 SCTP_TCB_UNLOCK(stcb
);
1814 m
->m_len
= sizeof(struct sctp_sockstat
);
1821 burst
= mtod(m
, u_int8_t
*);
1822 SCTP_INP_RLOCK(inp
);
1823 *burst
= inp
->sctp_ep
.max_burst
;
1824 SCTP_INP_RUNLOCK(inp
);
1825 m
->m_len
= sizeof(u_int8_t
);
1831 sctp_assoc_t
*assoc_id
;
1834 if ((size_t)m
->m_len
< sizeof(u_int32_t
)) {
1838 if ((size_t)m
->m_len
< sizeof(sctp_assoc_t
)) {
1842 assoc_id
= mtod(m
, sctp_assoc_t
*);
1843 segsize
= mtod(m
, u_int32_t
*);
1844 m
->m_len
= sizeof(u_int32_t
);
1846 if (((inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) &&
1847 (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
)) ||
1848 (inp
->sctp_flags
& SCTP_PCB_FLAGS_IN_TCPPOOL
)) {
1849 struct sctp_tcb
*stcb
;
1850 SCTP_INP_RLOCK(inp
);
1851 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
1853 SCTP_TCB_LOCK(stcb
);
1854 SCTP_INP_RUNLOCK(inp
);
1855 *segsize
= sctp_get_frag_point(stcb
, &stcb
->asoc
);
1856 SCTP_TCB_UNLOCK(stcb
);
1858 SCTP_INP_RUNLOCK(inp
);
1862 stcb
= sctp_findassociation_ep_asocid(inp
, *assoc_id
);
1864 *segsize
= sctp_get_frag_point(stcb
, &stcb
->asoc
);
1865 SCTP_TCB_UNLOCK(stcb
);
1869 /* default is to get the max, if I
1870 * can't calculate from an existing association.
1872 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) {
1873 ovh
= SCTP_MED_OVERHEAD
;
1875 ovh
= SCTP_MED_V4_OVERHEAD
;
1877 *segsize
= inp
->sctp_frag_point
- ovh
;
1882 case SCTP_SET_DEBUG_LEVEL
:
1886 if ((size_t)m
->m_len
< sizeof(u_int32_t
)) {
1890 level
= mtod(m
, u_int32_t
*);
1892 *level
= sctp_debug_on
;
1893 m
->m_len
= sizeof(u_int32_t
);
1894 kprintf("Returning DEBUG LEVEL %x is set\n",
1895 (u_int
)sctp_debug_on
);
1897 #else /* SCTP_DEBUG */
1901 case SCTP_GET_STAT_LOG
:
1902 #ifdef SCTP_STAT_LOGGING
1903 error
= sctp_fill_stat_log(m
);
1904 #else /* SCTP_DEBUG */
1911 if ((size_t)m
->m_len
< sizeof(sctp_pegs
)) {
1915 pt
= mtod(m
, u_int32_t
*);
1916 memcpy(pt
, sctp_pegs
, sizeof(sctp_pegs
));
1917 m
->m_len
= sizeof(sctp_pegs
);
1922 struct sctp_event_subscribe
*events
;
1924 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
1925 kprintf("get events\n");
1927 #endif /* SCTP_DEBUG */
1928 if ((size_t)m
->m_len
< sizeof(struct sctp_event_subscribe
)) {
1930 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
1931 kprintf("M->M_LEN is %d not %d\n",
1933 (int)sizeof(struct sctp_event_subscribe
));
1935 #endif /* SCTP_DEBUG */
1939 events
= mtod(m
, struct sctp_event_subscribe
*);
1940 memset(events
, 0, sizeof(events
));
1941 SCTP_INP_RLOCK(inp
);
1942 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVDATAIOEVNT
)
1943 events
->sctp_data_io_event
= 1;
1945 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVASSOCEVNT
)
1946 events
->sctp_association_event
= 1;
1948 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVPADDREVNT
)
1949 events
->sctp_address_event
= 1;
1951 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVSENDFAILEVNT
)
1952 events
->sctp_send_failure_event
= 1;
1954 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVPEERERR
)
1955 events
->sctp_peer_error_event
= 1;
1957 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
)
1958 events
->sctp_shutdown_event
= 1;
1960 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_PDAPIEVNT
)
1961 events
->sctp_partial_delivery_event
= 1;
1963 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_ADAPTIONEVNT
)
1964 events
->sctp_adaption_layer_event
= 1;
1966 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_STREAM_RESETEVNT
)
1967 events
->sctp_stream_reset_events
= 1;
1968 SCTP_INP_RUNLOCK(inp
);
1969 m
->m_len
= sizeof(struct sctp_event_subscribe
);
1974 case SCTP_ADAPTION_LAYER
:
1975 if ((size_t)m
->m_len
< sizeof(int)) {
1980 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
1981 kprintf("getadaption ind\n");
1983 #endif /* SCTP_DEBUG */
1984 SCTP_INP_RLOCK(inp
);
1985 *mtod(m
, int *) = inp
->sctp_ep
.adaption_layer_indicator
;
1986 SCTP_INP_RUNLOCK(inp
);
1987 m
->m_len
= sizeof(int);
1989 case SCTP_SET_INITIAL_DBG_SEQ
:
1990 if ((size_t)m
->m_len
< sizeof(int)) {
1995 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
1996 kprintf("get initial dbg seq\n");
1998 #endif /* SCTP_DEBUG */
1999 SCTP_INP_RLOCK(inp
);
2000 *mtod(m
, int *) = inp
->sctp_ep
.initial_sequence_debug
;
2001 SCTP_INP_RUNLOCK(inp
);
2002 m
->m_len
= sizeof(int);
2004 case SCTP_GET_LOCAL_ADDR_SIZE
:
2005 if ((size_t)m
->m_len
< sizeof(int)) {
2010 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2011 kprintf("get local sizes\n");
2013 #endif /* SCTP_DEBUG */
2014 SCTP_INP_RLOCK(inp
);
2015 *mtod(m
, int *) = sctp_count_max_addresses(inp
);
2016 SCTP_INP_RUNLOCK(inp
);
2017 m
->m_len
= sizeof(int);
2019 case SCTP_GET_REMOTE_ADDR_SIZE
:
2021 sctp_assoc_t
*assoc_id
;
2023 struct sctp_nets
*net
;
2025 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2026 kprintf("get remote size\n");
2028 #endif /* SCTP_DEBUG */
2029 if ((size_t)m
->m_len
< sizeof(sctp_assoc_t
)) {
2031 kprintf("m->m_len:%d not %d\n",
2032 m
->m_len
, sizeof(sctp_assoc_t
));
2033 #endif /* SCTP_DEBUG */
2038 val
= mtod(m
, u_int32_t
*);
2039 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2040 SCTP_INP_RLOCK(inp
);
2041 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2043 SCTP_TCB_LOCK(stcb
);
2044 SCTP_INP_RUNLOCK(inp
);
2047 assoc_id
= mtod(m
, sctp_assoc_t
*);
2048 stcb
= sctp_findassociation_ep_asocid(inp
, *assoc_id
);
2057 /* Count the sizes */
2058 TAILQ_FOREACH(net
, &stcb
->asoc
.nets
, sctp_next
) {
2059 if ((stcb
->sctp_ep
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
) ||
2060 (((struct sockaddr
*)&net
->ro
._l_addr
)->sa_family
== AF_INET6
)) {
2061 sz
+= sizeof(struct sockaddr_in6
);
2062 } else if (((struct sockaddr
*)&net
->ro
._l_addr
)->sa_family
== AF_INET
) {
2063 sz
+= sizeof(struct sockaddr_in
);
2069 SCTP_TCB_UNLOCK(stcb
);
2071 m
->m_len
= sizeof(u_int32_t
);
2074 case SCTP_GET_PEER_ADDRESSES
:
2076 * Get the address information, an array
2077 * is passed in to fill up we pack it.
2081 struct sockaddr_storage
*sas
;
2082 struct sctp_nets
*net
;
2083 struct sctp_getaddresses
*saddr
;
2085 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2086 kprintf("get peer addresses\n");
2088 #endif /* SCTP_DEBUG */
2089 if ((size_t)m
->m_len
< sizeof(struct sctp_getaddresses
)) {
2093 left
= m
->m_len
- sizeof(struct sctp_getaddresses
);
2094 saddr
= mtod(m
, struct sctp_getaddresses
*);
2095 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2096 SCTP_INP_RLOCK(inp
);
2097 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2099 SCTP_TCB_LOCK(stcb
);
2100 SCTP_INP_RUNLOCK(inp
);
2102 stcb
= sctp_findassociation_ep_asocid(inp
,
2103 saddr
->sget_assoc_id
);
2108 m
->m_len
= sizeof(struct sctp_getaddresses
);
2109 sas
= (struct sockaddr_storage
*)&saddr
->addr
[0];
2111 TAILQ_FOREACH(net
, &stcb
->asoc
.nets
, sctp_next
) {
2112 if ((stcb
->sctp_ep
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
) ||
2113 (((struct sockaddr
*)&net
->ro
._l_addr
)->sa_family
== AF_INET6
)) {
2114 cpsz
= sizeof(struct sockaddr_in6
);
2115 } else if (((struct sockaddr
*)&net
->ro
._l_addr
)->sa_family
== AF_INET
) {
2116 cpsz
= sizeof(struct sockaddr_in
);
2122 /* not enough room. */
2124 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2125 kprintf("Out of room\n");
2127 #endif /* SCTP_DEBUG */
2130 if ((stcb
->sctp_ep
->sctp_flags
& SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
) &&
2131 (((struct sockaddr
*)&net
->ro
._l_addr
)->sa_family
== AF_INET
)) {
2132 /* Must map the address */
2133 in6_sin_2_v4mapsin6((struct sockaddr_in
*)&net
->ro
._l_addr
,
2134 (struct sockaddr_in6
*)sas
);
2136 memcpy(sas
, &net
->ro
._l_addr
, cpsz
);
2138 ((struct sockaddr_in
*)sas
)->sin_port
= stcb
->rport
;
2140 sas
= (struct sockaddr_storage
*)((caddr_t
)sas
+ cpsz
);
2144 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
2145 kprintf("left now:%d mlen:%d\n",
2148 #endif /* SCTP_DEBUG */
2150 SCTP_TCB_UNLOCK(stcb
);
2153 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2154 kprintf("All done\n");
2156 #endif /* SCTP_DEBUG */
2158 case SCTP_GET_LOCAL_ADDRESSES
:
2161 struct sockaddr_storage
*sas
;
2162 struct sctp_getaddresses
*saddr
;
2164 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2165 kprintf("get local addresses\n");
2167 #endif /* SCTP_DEBUG */
2168 if ((size_t)m
->m_len
< sizeof(struct sctp_getaddresses
)) {
2172 saddr
= mtod(m
, struct sctp_getaddresses
*);
2174 if (saddr
->sget_assoc_id
) {
2175 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2176 SCTP_INP_RLOCK(inp
);
2177 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2179 SCTP_TCB_LOCK(stcb
);
2180 SCTP_INP_RUNLOCK(inp
);
2182 stcb
= sctp_findassociation_ep_asocid(inp
, saddr
->sget_assoc_id
);
2188 * assure that the TCP model does not need a assoc id
2191 if ( (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) &&
2193 SCTP_INP_RLOCK(inp
);
2194 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2196 SCTP_TCB_LOCK(stcb
);
2197 SCTP_INP_RUNLOCK(inp
);
2199 sas
= (struct sockaddr_storage
*)&saddr
->addr
[0];
2200 limit
= m
->m_len
- sizeof(sctp_assoc_t
);
2201 actual
= sctp_fill_up_addresses(inp
, stcb
, limit
, sas
);
2202 SCTP_TCB_UNLOCK(stcb
);
2203 m
->m_len
= sizeof(struct sockaddr_storage
) + actual
;
2206 case SCTP_PEER_ADDR_PARAMS
:
2208 struct sctp_paddrparams
*paddrp
;
2209 struct sctp_nets
*net
;
2212 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2213 kprintf("Getting peer_addr_params\n");
2215 #endif /* SCTP_DEBUG */
2216 if ((size_t)m
->m_len
< sizeof(struct sctp_paddrparams
)) {
2218 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
) {
2219 kprintf("Hmm m->m_len:%d is to small\n",
2222 #endif /* SCTP_DEBUG */
2226 paddrp
= mtod(m
, struct sctp_paddrparams
*);
2229 if (paddrp
->spp_assoc_id
) {
2231 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2232 kprintf("In spp_assoc_id find type\n");
2234 #endif /* SCTP_DEBUG */
2235 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2236 SCTP_INP_RLOCK(inp
);
2237 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2239 SCTP_TCB_LOCK(stcb
);
2240 net
= sctp_findnet(stcb
, (struct sockaddr
*)&paddrp
->spp_address
);
2242 SCTP_INP_RLOCK(inp
);
2244 stcb
= sctp_findassociation_ep_asocid(inp
, paddrp
->spp_assoc_id
);
2251 if ( (stcb
== NULL
) &&
2252 ((((struct sockaddr
*)&paddrp
->spp_address
)->sa_family
== AF_INET
) ||
2253 (((struct sockaddr
*)&paddrp
->spp_address
)->sa_family
== AF_INET6
))) {
2254 /* Lookup via address */
2256 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2257 kprintf("Ok we need to lookup a param\n");
2259 #endif /* SCTP_DEBUG */
2260 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2261 SCTP_INP_RLOCK(inp
);
2262 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2264 SCTP_TCB_LOCK(stcb
);
2265 net
= sctp_findnet(stcb
, (struct sockaddr
*)&paddrp
->spp_address
);
2267 SCTP_INP_RUNLOCK(inp
);
2269 SCTP_INP_WLOCK(inp
);
2270 SCTP_INP_INCR_REF(inp
);
2271 SCTP_INP_WUNLOCK(inp
);
2272 stcb
= sctp_findassociation_ep_addr(&inp
,
2273 (struct sockaddr
*)&paddrp
->spp_address
,
2276 SCTP_INP_WLOCK(inp
);
2277 SCTP_INP_DECR_REF(inp
);
2278 SCTP_INP_WUNLOCK(inp
);
2287 /* Effects the Endpoint */
2289 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2290 kprintf("User wants EP level info\n");
2292 #endif /* SCTP_DEBUG */
2296 /* Applys to the specific association */
2298 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2299 kprintf("In TCB side\n");
2301 #endif /* SCTP_DEBUG */
2303 paddrp
->spp_pathmaxrxt
= net
->failure_threshold
;
2305 /* No destination so return default value */
2306 paddrp
->spp_pathmaxrxt
= stcb
->asoc
.def_net_failure
;
2308 paddrp
->spp_hbinterval
= stcb
->asoc
.heart_beat_delay
;
2309 paddrp
->spp_assoc_id
= sctp_get_associd(stcb
);
2310 SCTP_TCB_UNLOCK(stcb
);
2312 /* Use endpoint defaults */
2313 SCTP_INP_RLOCK(inp
);
2315 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2316 kprintf("In EP levle info\n");
2318 #endif /* SCTP_DEBUG */
2319 paddrp
->spp_pathmaxrxt
= inp
->sctp_ep
.def_net_failure
;
2320 paddrp
->spp_hbinterval
= inp
->sctp_ep
.sctp_timeoutticks
[SCTP_TIMER_HEARTBEAT
];
2321 paddrp
->spp_assoc_id
= (sctp_assoc_t
)0;
2322 SCTP_INP_RUNLOCK(inp
);
2324 m
->m_len
= sizeof(struct sctp_paddrparams
);
2327 case SCTP_GET_PEER_ADDR_INFO
:
2329 struct sctp_paddrinfo
*paddri
;
2330 struct sctp_nets
*net
;
2332 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2333 kprintf("GetPEER ADDR_INFO\n");
2335 #endif /* SCTP_DEBUG */
2336 if ((size_t)m
->m_len
< sizeof(struct sctp_paddrinfo
)) {
2340 paddri
= mtod(m
, struct sctp_paddrinfo
*);
2342 if ((((struct sockaddr
*)&paddri
->spinfo_address
)->sa_family
== AF_INET
) ||
2343 (((struct sockaddr
*)&paddri
->spinfo_address
)->sa_family
== AF_INET6
)) {
2344 /* Lookup via address */
2345 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2346 SCTP_INP_RLOCK(inp
);
2347 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2349 SCTP_TCB_LOCK(stcb
);
2350 net
= sctp_findnet(stcb
,
2351 (struct sockaddr
*)&paddri
->spinfo_address
);
2353 SCTP_INP_RUNLOCK(inp
);
2355 SCTP_INP_WLOCK(inp
);
2356 SCTP_INP_INCR_REF(inp
);
2357 SCTP_INP_WUNLOCK(inp
);
2358 stcb
= sctp_findassociation_ep_addr(&inp
,
2359 (struct sockaddr
*)&paddri
->spinfo_address
,
2362 SCTP_INP_WLOCK(inp
);
2363 SCTP_INP_DECR_REF(inp
);
2364 SCTP_INP_WUNLOCK(inp
);
2371 if ((stcb
== NULL
) || (net
== NULL
)) {
2375 m
->m_len
= sizeof(struct sctp_paddrinfo
);
2376 paddri
->spinfo_state
= net
->dest_state
& (SCTP_REACHABLE_MASK
|SCTP_ADDR_NOHB
);
2377 paddri
->spinfo_cwnd
= net
->cwnd
;
2378 paddri
->spinfo_srtt
= ((net
->lastsa
>> 2) + net
->lastsv
) >> 1;
2379 paddri
->spinfo_rto
= net
->RTO
;
2380 paddri
->spinfo_assoc_id
= sctp_get_associd(stcb
);
2381 SCTP_TCB_UNLOCK(stcb
);
2384 case SCTP_PCB_STATUS
:
2386 struct sctp_pcbinfo
*spcb
;
2388 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2389 kprintf("PCB status\n");
2391 #endif /* SCTP_DEBUG */
2392 if ((size_t)m
->m_len
< sizeof(struct sctp_pcbinfo
)) {
2396 spcb
= mtod(m
, struct sctp_pcbinfo
*);
2397 sctp_fill_pcbinfo(spcb
);
2398 m
->m_len
= sizeof(struct sctp_pcbinfo
);
2403 struct sctp_nets
*net
;
2404 struct sctp_status
*sstat
;
2406 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2407 kprintf("SCTP status\n");
2409 #endif /* SCTP_DEBUG */
2411 if ((size_t)m
->m_len
< sizeof(struct sctp_status
)) {
2415 sstat
= mtod(m
, struct sctp_status
*);
2417 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2418 SCTP_INP_RLOCK(inp
);
2419 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2421 SCTP_TCB_LOCK(stcb
);
2422 SCTP_INP_RUNLOCK(inp
);
2424 stcb
= sctp_findassociation_ep_asocid(inp
, sstat
->sstat_assoc_id
);
2431 * I think passing the state is fine since
2432 * sctp_constants.h will be available to the user
2435 sstat
->sstat_state
= stcb
->asoc
.state
;
2436 sstat
->sstat_rwnd
= stcb
->asoc
.peers_rwnd
;
2437 sstat
->sstat_unackdata
= stcb
->asoc
.sent_queue_cnt
;
2439 * We can't include chunks that have been passed
2440 * to the socket layer. Only things in queue.
2442 sstat
->sstat_penddata
= (stcb
->asoc
.cnt_on_delivery_queue
+
2443 stcb
->asoc
.cnt_on_reasm_queue
+
2444 stcb
->asoc
.cnt_on_all_streams
);
2447 sstat
->sstat_instrms
= stcb
->asoc
.streamincnt
;
2448 sstat
->sstat_outstrms
= stcb
->asoc
.streamoutcnt
;
2449 sstat
->sstat_fragmentation_point
= sctp_get_frag_point(stcb
, &stcb
->asoc
);
2450 memcpy(&sstat
->sstat_primary
.spinfo_address
,
2451 &stcb
->asoc
.primary_destination
->ro
._l_addr
,
2452 ((struct sockaddr
*)(&stcb
->asoc
.primary_destination
->ro
._l_addr
))->sa_len
);
2453 net
= stcb
->asoc
.primary_destination
;
2454 ((struct sockaddr_in
*)&sstat
->sstat_primary
.spinfo_address
)->sin_port
= stcb
->rport
;
2456 * Again the user can get info from sctp_constants.h
2457 * for what the state of the network is.
2459 sstat
->sstat_primary
.spinfo_state
= net
->dest_state
& SCTP_REACHABLE_MASK
;
2460 sstat
->sstat_primary
.spinfo_cwnd
= net
->cwnd
;
2461 sstat
->sstat_primary
.spinfo_srtt
= net
->lastsa
;
2462 sstat
->sstat_primary
.spinfo_rto
= net
->RTO
;
2463 sstat
->sstat_primary
.spinfo_mtu
= net
->mtu
;
2464 sstat
->sstat_primary
.spinfo_assoc_id
= sctp_get_associd(stcb
);
2465 SCTP_TCB_UNLOCK(stcb
);
2466 m
->m_len
= sizeof(*sstat
);
2471 struct sctp_rtoinfo
*srto
;
2473 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2474 kprintf("RTO Info\n");
2476 #endif /* SCTP_DEBUG */
2477 if ((size_t)m
->m_len
< sizeof(struct sctp_rtoinfo
)) {
2481 srto
= mtod(m
, struct sctp_rtoinfo
*);
2482 if (srto
->srto_assoc_id
== 0) {
2483 /* Endpoint only please */
2484 SCTP_INP_RLOCK(inp
);
2485 srto
->srto_initial
= inp
->sctp_ep
.initial_rto
;
2486 srto
->srto_max
= inp
->sctp_ep
.sctp_maxrto
;
2487 srto
->srto_min
= inp
->sctp_ep
.sctp_minrto
;
2488 SCTP_INP_RUNLOCK(inp
);
2491 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2492 SCTP_INP_RLOCK(inp
);
2493 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2495 SCTP_TCB_LOCK(stcb
);
2496 SCTP_INP_RUNLOCK(inp
);
2498 stcb
= sctp_findassociation_ep_asocid(inp
, srto
->srto_assoc_id
);
2504 srto
->srto_initial
= stcb
->asoc
.initial_rto
;
2505 srto
->srto_max
= stcb
->asoc
.maxrto
;
2506 srto
->srto_min
= stcb
->asoc
.minrto
;
2507 SCTP_TCB_UNLOCK(stcb
);
2508 m
->m_len
= sizeof(*srto
);
2511 case SCTP_ASSOCINFO
:
2513 struct sctp_assocparams
*sasoc
;
2515 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2516 kprintf("Associnfo\n");
2518 #endif /* SCTP_DEBUG */
2519 if ((size_t)m
->m_len
< sizeof(struct sctp_assocparams
)) {
2523 sasoc
= mtod(m
, struct sctp_assocparams
*);
2526 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2527 SCTP_INP_RLOCK(inp
);
2528 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2530 SCTP_TCB_LOCK(stcb
);
2531 SCTP_INP_RUNLOCK(inp
);
2533 if ((sasoc
->sasoc_assoc_id
) && (stcb
== NULL
)) {
2534 stcb
= sctp_findassociation_ep_asocid(inp
,
2535 sasoc
->sasoc_assoc_id
);
2545 sasoc
->sasoc_asocmaxrxt
= stcb
->asoc
.max_send_times
;
2546 sasoc
->sasoc_number_peer_destinations
= stcb
->asoc
.numnets
;
2547 sasoc
->sasoc_peer_rwnd
= stcb
->asoc
.peers_rwnd
;
2548 sasoc
->sasoc_local_rwnd
= stcb
->asoc
.my_rwnd
;
2549 sasoc
->sasoc_cookie_life
= stcb
->asoc
.cookie_life
;
2550 SCTP_TCB_UNLOCK(stcb
);
2552 SCTP_INP_RLOCK(inp
);
2553 sasoc
->sasoc_asocmaxrxt
= inp
->sctp_ep
.max_send_times
;
2554 sasoc
->sasoc_number_peer_destinations
= 0;
2555 sasoc
->sasoc_peer_rwnd
= 0;
2556 sasoc
->sasoc_local_rwnd
= ssb_space(&inp
->sctp_socket
->so_rcv
);
2557 sasoc
->sasoc_cookie_life
= inp
->sctp_ep
.def_cookie_life
;
2558 SCTP_INP_RUNLOCK(inp
);
2560 m
->m_len
= sizeof(*sasoc
);
2563 case SCTP_DEFAULT_SEND_PARAM
:
2565 struct sctp_sndrcvinfo
*s_info
;
2567 if (m
->m_len
!= sizeof(struct sctp_sndrcvinfo
)) {
2571 s_info
= mtod(m
, struct sctp_sndrcvinfo
*);
2572 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2573 SCTP_INP_RLOCK(inp
);
2574 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2576 SCTP_TCB_LOCK(stcb
);
2577 SCTP_INP_RUNLOCK(inp
);
2579 stcb
= sctp_findassociation_ep_asocid(inp
, s_info
->sinfo_assoc_id
);
2586 *s_info
= stcb
->asoc
.def_send
;
2587 SCTP_TCB_UNLOCK(stcb
);
2588 m
->m_len
= sizeof(*s_info
);
2592 struct sctp_initmsg
*sinit
;
2594 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2595 kprintf("initmsg\n");
2597 #endif /* SCTP_DEBUG */
2598 if ((size_t)m
->m_len
< sizeof(struct sctp_initmsg
)) {
2602 sinit
= mtod(m
, struct sctp_initmsg
*);
2603 SCTP_INP_RLOCK(inp
);
2604 sinit
->sinit_num_ostreams
= inp
->sctp_ep
.pre_open_stream_count
;
2605 sinit
->sinit_max_instreams
= inp
->sctp_ep
.max_open_streams_intome
;
2606 sinit
->sinit_max_attempts
= inp
->sctp_ep
.max_init_times
;
2607 sinit
->sinit_max_init_timeo
= inp
->sctp_ep
.initial_init_rto_max
;
2608 SCTP_INP_RUNLOCK(inp
);
2609 m
->m_len
= sizeof(*sinit
);
2612 case SCTP_PRIMARY_ADDR
:
2613 /* we allow a "get" operation on this */
2615 struct sctp_setprim
*ssp
;
2618 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2619 kprintf("setprimary\n");
2621 #endif /* SCTP_DEBUG */
2622 if ((size_t)m
->m_len
< sizeof(struct sctp_setprim
)) {
2626 ssp
= mtod(m
, struct sctp_setprim
*);
2627 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2628 SCTP_INP_RLOCK(inp
);
2629 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2631 SCTP_TCB_LOCK(stcb
);
2632 SCTP_INP_RUNLOCK(inp
);
2634 stcb
= sctp_findassociation_ep_asocid(inp
, ssp
->ssp_assoc_id
);
2636 /* one last shot, try it by the address in */
2637 struct sctp_nets
*net
;
2639 SCTP_INP_WLOCK(inp
);
2640 SCTP_INP_INCR_REF(inp
);
2641 SCTP_INP_WUNLOCK(inp
);
2642 stcb
= sctp_findassociation_ep_addr(&inp
,
2643 (struct sockaddr
*)&ssp
->ssp_addr
,
2646 SCTP_INP_WLOCK(inp
);
2647 SCTP_INP_DECR_REF(inp
);
2648 SCTP_INP_WUNLOCK(inp
);
2656 /* simply copy out the sockaddr_storage... */
2657 memcpy(&ssp
->ssp_addr
,
2658 &stcb
->asoc
.primary_destination
->ro
._l_addr
,
2659 ((struct sockaddr
*)&stcb
->asoc
.primary_destination
->ro
._l_addr
)->sa_len
);
2660 SCTP_TCB_UNLOCK(stcb
);
2661 m
->m_len
= sizeof(*ssp
);
2665 error
= ENOPROTOOPT
;
2668 } /* end switch (sopt->sopt_name) */
2673 sctp_optsset(struct socket
*so
,
2676 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
2683 int error
, *mopt
, set_opt
;
2685 struct sctp_tcb
*stcb
= NULL
;
2686 struct sctp_inpcb
*inp
;
2690 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
2691 kprintf("optsset:MP is NULL EINVAL\n");
2693 #endif /* SCTP_DEBUG */
2700 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
2707 case SCTP_AUTOCLOSE
:
2708 case SCTP_AUTO_ASCONF
:
2709 case SCTP_DISABLE_FRAGMENTS
:
2710 case SCTP_I_WANT_MAPPED_V4_ADDR
:
2711 /* copy in the option value */
2712 if ((size_t)m
->m_len
< sizeof(int)) {
2716 mopt
= mtod(m
, int *);
2721 case SCTP_DISABLE_FRAGMENTS
:
2722 set_opt
= SCTP_PCB_FLAGS_NO_FRAGMENT
;
2724 case SCTP_AUTO_ASCONF
:
2725 set_opt
= SCTP_PCB_FLAGS_AUTO_ASCONF
;
2728 case SCTP_I_WANT_MAPPED_V4_ADDR
:
2729 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) {
2730 set_opt
= SCTP_PCB_FLAGS_NEEDS_MAPPED_V4
;
2736 set_opt
= SCTP_PCB_FLAGS_NODELAY
;
2738 case SCTP_AUTOCLOSE
:
2739 set_opt
= SCTP_PCB_FLAGS_AUTOCLOSE
;
2741 * The value is in ticks.
2742 * Note this does not effect old associations, only
2745 inp
->sctp_ep
.auto_close_time
= (*mopt
* hz
);
2748 SCTP_INP_WLOCK(inp
);
2750 inp
->sctp_flags
|= set_opt
;
2752 inp
->sctp_flags
&= ~set_opt
;
2754 SCTP_INP_WUNLOCK(inp
);
2756 case SCTP_MY_PUBLIC_KEY
: /* set my public key */
2757 case SCTP_SET_AUTH_CHUNKS
: /* set the authenticated chunks required */
2758 case SCTP_SET_AUTH_SECRET
: /* set the actual secret for the endpoint */
2759 /* not supported yet and until we refine the draft */
2763 case SCTP_CLR_STAT_LOG
:
2764 #ifdef SCTP_STAT_LOGGING
2765 sctp_clr_stat_log();
2770 case SCTP_DELAYED_ACK_TIME
:
2773 if ((size_t)m
->m_len
< sizeof(int32_t)) {
2777 tm
= mtod(m
, int32_t *);
2779 if ((*tm
< 10) || (*tm
> 500)) {
2780 /* can't be smaller than 10ms */
2781 /* MUST NOT be larger than 500ms */
2785 inp
->sctp_ep
.sctp_timeoutticks
[SCTP_TIMER_RECV
] = MSEC_TO_TICKS(*tm
);
2788 case SCTP_RESET_STREAMS
:
2790 struct sctp_stream_reset
*strrst
;
2791 uint8_t two_way
, not_peer
;
2793 if ((size_t)m
->m_len
< sizeof(struct sctp_stream_reset
)) {
2797 strrst
= mtod(m
, struct sctp_stream_reset
*);
2799 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2800 SCTP_INP_RLOCK(inp
);
2801 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2803 SCTP_TCB_LOCK(stcb
);
2804 SCTP_INP_RUNLOCK(inp
);
2806 stcb
= sctp_findassociation_ep_asocid(inp
, strrst
->strrst_assoc_id
);
2811 if (stcb
->asoc
.peer_supports_strreset
== 0) {
2812 /* Peer does not support it,
2813 * we return protocol not supported since
2814 * this is true for this feature and this
2815 * peer, not the socket request in general.
2817 error
= EPROTONOSUPPORT
;
2818 SCTP_TCB_UNLOCK(stcb
);
2822 /* Having re-thought this code I added as I write the I-D there
2823 * is NO need for it. The peer, if we are requesting a stream-reset
2824 * will send a request to us but will itself do what we do, take
2825 * and copy off the "reset information" we send and queue TSN's
2826 * larger than the send-next in our response message. Thus they
2829 /* if (stcb->asoc.sending_seq != (stcb->asoc.last_acked_seq + 1)) {*/
2830 /* Must have all sending data ack'd before we
2831 * start this procedure. This is a bit restrictive
2832 * and we SHOULD work on changing this so ONLY the
2833 * streams being RESET get held up. So, a reset-all
2834 * would require this.. but a reset specific just
2835 * needs to be sure that the ones being reset have
2836 * nothing on the send_queue. For now we will
2837 * skip this more detailed method and do a course
2838 * way.. i.e. nothing pending ... for future FIX ME!
2844 if (stcb
->asoc
.stream_reset_outstanding
) {
2846 SCTP_TCB_UNLOCK(stcb
);
2849 if (strrst
->strrst_flags
== SCTP_RESET_LOCAL_RECV
) {
2852 } else if (strrst
->strrst_flags
== SCTP_RESET_LOCAL_SEND
) {
2855 } else if (strrst
->strrst_flags
== SCTP_RESET_BOTH
) {
2860 SCTP_TCB_UNLOCK(stcb
);
2863 sctp_send_str_reset_req(stcb
, strrst
->strrst_num_streams
,
2864 strrst
->strrst_list
, two_way
, not_peer
);
2866 sctp_chunk_output(inp
, stcb
, 12);
2867 SCTP_TCB_UNLOCK(stcb
);
2872 case SCTP_RESET_PEGS
:
2873 memset(sctp_pegs
, 0, sizeof(sctp_pegs
));
2876 case SCTP_CONNECT_X
:
2877 if ((size_t)m
->m_len
< (sizeof(int) + sizeof(struct sockaddr_in
))) {
2881 error
= sctp_do_connect_x(so
, inp
, m
, p
, 0);
2884 case SCTP_CONNECT_X_DELAYED
:
2885 if ((size_t)m
->m_len
< (sizeof(int) + sizeof(struct sockaddr_in
))) {
2889 error
= sctp_do_connect_x(so
, inp
, m
, p
, 1);
2892 case SCTP_CONNECT_X_COMPLETE
:
2894 struct sockaddr
*sa
;
2895 struct sctp_nets
*net
;
2896 if ((size_t)m
->m_len
< sizeof(struct sockaddr_in
)) {
2900 sa
= mtod(m
, struct sockaddr
*);
2902 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
2903 SCTP_INP_RLOCK(inp
);
2904 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
2906 SCTP_TCB_LOCK(stcb
);
2907 net
= sctp_findnet(stcb
, sa
);
2909 SCTP_INP_RUNLOCK(inp
);
2911 SCTP_INP_WLOCK(inp
);
2912 SCTP_INP_INCR_REF(inp
);
2913 SCTP_INP_WUNLOCK(inp
);
2914 stcb
= sctp_findassociation_ep_addr(&inp
, sa
, &net
, NULL
, NULL
);
2916 SCTP_INP_WLOCK(inp
);
2917 SCTP_INP_DECR_REF(inp
);
2918 SCTP_INP_WUNLOCK(inp
);
2926 if (stcb
->asoc
.delayed_connection
== 1) {
2927 stcb
->asoc
.delayed_connection
= 0;
2928 SCTP_GETTIME_TIMEVAL(&stcb
->asoc
.time_entered
);
2929 sctp_timer_stop(SCTP_TIMER_TYPE_INIT
, inp
, stcb
, stcb
->asoc
.primary_destination
);
2930 sctp_send_initiate(inp
, stcb
);
2932 /* already expired or did not use delayed connectx */
2935 SCTP_TCB_UNLOCK(stcb
);
2941 SCTP_INP_WLOCK(inp
);
2942 burst
= mtod(m
, u_int8_t
*);
2944 inp
->sctp_ep
.max_burst
= *burst
;
2946 SCTP_INP_WUNLOCK(inp
);
2953 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) {
2954 ovh
= SCTP_MED_OVERHEAD
;
2956 ovh
= SCTP_MED_V4_OVERHEAD
;
2958 segsize
= mtod(m
, u_int32_t
*);
2963 SCTP_INP_WLOCK(inp
);
2964 inp
->sctp_frag_point
= (*segsize
+ovh
);
2965 if (inp
->sctp_frag_point
< MHLEN
) {
2966 inp
->sctp_frag_point
= MHLEN
;
2968 SCTP_INP_WUNLOCK(inp
);
2971 case SCTP_SET_DEBUG_LEVEL
:
2975 if ((size_t)m
->m_len
< sizeof(u_int32_t
)) {
2979 level
= mtod(m
, u_int32_t
*);
2981 sctp_debug_on
= (*level
& (SCTP_DEBUG_ALL
|
2983 kprintf("SETTING DEBUG LEVEL to %x\n",
2984 (u_int
)sctp_debug_on
);
2989 #endif /* SCTP_DEBUG */
2993 struct sctp_event_subscribe
*events
;
2994 if ((size_t)m
->m_len
< sizeof(struct sctp_event_subscribe
)) {
2998 SCTP_INP_WLOCK(inp
);
2999 events
= mtod(m
, struct sctp_event_subscribe
*);
3000 if (events
->sctp_data_io_event
) {
3001 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVDATAIOEVNT
;
3003 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVDATAIOEVNT
;
3006 if (events
->sctp_association_event
) {
3007 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVASSOCEVNT
;
3009 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVASSOCEVNT
;
3012 if (events
->sctp_address_event
) {
3013 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVPADDREVNT
;
3015 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVPADDREVNT
;
3018 if (events
->sctp_send_failure_event
) {
3019 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVSENDFAILEVNT
;
3021 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVSENDFAILEVNT
;
3024 if (events
->sctp_peer_error_event
) {
3025 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVPEERERR
;
3027 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVPEERERR
;
3030 if (events
->sctp_shutdown_event
) {
3031 inp
->sctp_flags
|= SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
;
3033 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT
;
3036 if (events
->sctp_partial_delivery_event
) {
3037 inp
->sctp_flags
|= SCTP_PCB_FLAGS_PDAPIEVNT
;
3039 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_PDAPIEVNT
;
3042 if (events
->sctp_adaption_layer_event
) {
3043 inp
->sctp_flags
|= SCTP_PCB_FLAGS_ADAPTIONEVNT
;
3045 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_ADAPTIONEVNT
;
3048 if (events
->sctp_stream_reset_events
) {
3049 inp
->sctp_flags
|= SCTP_PCB_FLAGS_STREAM_RESETEVNT
;
3051 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_STREAM_RESETEVNT
;
3053 SCTP_INP_WUNLOCK(inp
);
3057 case SCTP_ADAPTION_LAYER
:
3059 struct sctp_setadaption
*adap_bits
;
3060 if ((size_t)m
->m_len
< sizeof(struct sctp_setadaption
)) {
3064 SCTP_INP_WLOCK(inp
);
3065 adap_bits
= mtod(m
, struct sctp_setadaption
*);
3066 inp
->sctp_ep
.adaption_layer_indicator
= adap_bits
->ssb_adaption_ind
;
3067 SCTP_INP_WUNLOCK(inp
);
3070 case SCTP_SET_INITIAL_DBG_SEQ
:
3073 if ((size_t)m
->m_len
< sizeof(u_int32_t
)) {
3077 SCTP_INP_WLOCK(inp
);
3078 vvv
= mtod(m
, u_int32_t
*);
3079 inp
->sctp_ep
.initial_sequence_debug
= *vvv
;
3080 SCTP_INP_WUNLOCK(inp
);
3083 case SCTP_DEFAULT_SEND_PARAM
:
3085 struct sctp_sndrcvinfo
*s_info
;
3087 if (m
->m_len
!= sizeof(struct sctp_sndrcvinfo
)) {
3091 s_info
= mtod(m
, struct sctp_sndrcvinfo
*);
3093 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3094 SCTP_INP_RLOCK(inp
);
3095 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3097 SCTP_TCB_LOCK(stcb
);
3098 SCTP_INP_RUNLOCK(inp
);
3100 stcb
= sctp_findassociation_ep_asocid(inp
, s_info
->sinfo_assoc_id
);
3106 /* Validate things */
3107 if (s_info
->sinfo_stream
> stcb
->asoc
.streamoutcnt
) {
3108 SCTP_TCB_UNLOCK(stcb
);
3112 /* Mask off the flags that are allowed */
3113 s_info
->sinfo_flags
= (s_info
->sinfo_flags
&
3114 (MSG_UNORDERED
| MSG_ADDR_OVER
|
3115 MSG_PR_SCTP_TTL
| MSG_PR_SCTP_BUF
));
3117 stcb
->asoc
.def_send
= *s_info
;
3118 SCTP_TCB_UNLOCK(stcb
);
3121 case SCTP_PEER_ADDR_PARAMS
:
3123 struct sctp_paddrparams
*paddrp
;
3124 struct sctp_nets
*net
;
3125 if ((size_t)m
->m_len
< sizeof(struct sctp_paddrparams
)) {
3129 paddrp
= mtod(m
, struct sctp_paddrparams
*);
3131 if (paddrp
->spp_assoc_id
) {
3132 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3133 SCTP_INP_RLOCK(inp
);
3134 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3136 SCTP_TCB_LOCK(stcb
);
3137 net
= sctp_findnet(stcb
, (struct sockaddr
*)&paddrp
->spp_address
);
3139 SCTP_INP_RUNLOCK(inp
);
3141 stcb
= sctp_findassociation_ep_asocid(inp
, paddrp
->spp_assoc_id
);
3148 if ((stcb
== NULL
) &&
3149 ((((struct sockaddr
*)&paddrp
->spp_address
)->sa_family
== AF_INET
) ||
3150 (((struct sockaddr
*)&paddrp
->spp_address
)->sa_family
== AF_INET6
))) {
3151 /* Lookup via address */
3152 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3153 SCTP_INP_RLOCK(inp
);
3154 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3156 SCTP_TCB_LOCK(stcb
);
3157 net
= sctp_findnet(stcb
,
3158 (struct sockaddr
*)&paddrp
->spp_address
);
3160 SCTP_INP_RUNLOCK(inp
);
3162 SCTP_INP_WLOCK(inp
);
3163 SCTP_INP_INCR_REF(inp
);
3164 SCTP_INP_WUNLOCK(inp
);
3165 stcb
= sctp_findassociation_ep_addr(&inp
,
3166 (struct sockaddr
*)&paddrp
->spp_address
,
3169 SCTP_INP_WLOCK(inp
);
3170 SCTP_INP_DECR_REF(inp
);
3171 SCTP_INP_WUNLOCK(inp
);
3175 /* Effects the Endpoint */
3179 /* Applies to the specific association */
3180 if (paddrp
->spp_pathmaxrxt
) {
3182 if (paddrp
->spp_pathmaxrxt
)
3183 net
->failure_threshold
= paddrp
->spp_pathmaxrxt
;
3185 if (paddrp
->spp_pathmaxrxt
)
3186 stcb
->asoc
.def_net_failure
= paddrp
->spp_pathmaxrxt
;
3189 if ((paddrp
->spp_hbinterval
!= 0) && (paddrp
->spp_hbinterval
!= 0xffffffff)) {
3193 net
->dest_state
&= ~SCTP_ADDR_NOHB
;
3195 old
= stcb
->asoc
.heart_beat_delay
;
3196 stcb
->asoc
.heart_beat_delay
= paddrp
->spp_hbinterval
;
3198 /* Turn back on the timer */
3199 sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT
, inp
, stcb
, net
);
3202 } else if (paddrp
->spp_hbinterval
== 0xffffffff) {
3204 sctp_send_hb(stcb
, 1, net
);
3207 /* off on association */
3208 if (stcb
->asoc
.heart_beat_delay
) {
3209 int cnt_of_unconf
= 0;
3210 struct sctp_nets
*lnet
;
3211 TAILQ_FOREACH(lnet
, &stcb
->asoc
.nets
, sctp_next
) {
3212 if (lnet
->dest_state
& SCTP_ADDR_UNCONFIRMED
) {
3216 /* stop the timer ONLY if we have no unconfirmed addresses
3218 if (cnt_of_unconf
== 0)
3219 sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT
, inp
, stcb
, net
);
3221 stcb
->asoc
.heart_beat_delay
= 0;
3223 net
->dest_state
|= SCTP_ADDR_NOHB
;
3226 SCTP_TCB_UNLOCK(stcb
);
3228 /* Use endpoint defaults */
3229 SCTP_INP_WLOCK(inp
);
3230 if (paddrp
->spp_pathmaxrxt
)
3231 inp
->sctp_ep
.def_net_failure
= paddrp
->spp_pathmaxrxt
;
3232 if (paddrp
->spp_hbinterval
!= SCTP_ISSUE_HB
)
3233 inp
->sctp_ep
.sctp_timeoutticks
[SCTP_TIMER_HEARTBEAT
] = paddrp
->spp_hbinterval
;
3234 SCTP_INP_WUNLOCK(inp
);
3240 struct sctp_rtoinfo
*srto
;
3241 if ((size_t)m
->m_len
< sizeof(struct sctp_rtoinfo
)) {
3245 srto
= mtod(m
, struct sctp_rtoinfo
*);
3246 if (srto
->srto_assoc_id
== 0) {
3247 SCTP_INP_WLOCK(inp
);
3248 /* If we have a null asoc, its default for the endpoint */
3249 if (srto
->srto_initial
> 10)
3250 inp
->sctp_ep
.initial_rto
= srto
->srto_initial
;
3251 if (srto
->srto_max
> 10)
3252 inp
->sctp_ep
.sctp_maxrto
= srto
->srto_max
;
3253 if (srto
->srto_min
> 10)
3254 inp
->sctp_ep
.sctp_minrto
= srto
->srto_min
;
3255 SCTP_INP_WUNLOCK(inp
);
3258 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3259 SCTP_INP_RLOCK(inp
);
3260 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3262 SCTP_TCB_LOCK(stcb
);
3263 SCTP_INP_RUNLOCK(inp
);
3265 stcb
= sctp_findassociation_ep_asocid(inp
, srto
->srto_assoc_id
);
3270 /* Set in ms we hope :-) */
3271 if (srto
->srto_initial
> 10)
3272 stcb
->asoc
.initial_rto
= srto
->srto_initial
;
3273 if (srto
->srto_max
> 10)
3274 stcb
->asoc
.maxrto
= srto
->srto_max
;
3275 if (srto
->srto_min
> 10)
3276 stcb
->asoc
.minrto
= srto
->srto_min
;
3277 SCTP_TCB_UNLOCK(stcb
);
3280 case SCTP_ASSOCINFO
:
3282 struct sctp_assocparams
*sasoc
;
3284 if ((size_t)m
->m_len
< sizeof(struct sctp_assocparams
)) {
3288 sasoc
= mtod(m
, struct sctp_assocparams
*);
3289 if (sasoc
->sasoc_assoc_id
) {
3290 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3291 SCTP_INP_RLOCK(inp
);
3292 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3294 SCTP_TCB_LOCK(stcb
);
3295 SCTP_INP_RUNLOCK(inp
);
3297 stcb
= sctp_findassociation_ep_asocid(inp
,
3298 sasoc
->sasoc_assoc_id
);
3308 if (sasoc
->sasoc_asocmaxrxt
)
3309 stcb
->asoc
.max_send_times
= sasoc
->sasoc_asocmaxrxt
;
3310 sasoc
->sasoc_number_peer_destinations
= stcb
->asoc
.numnets
;
3311 sasoc
->sasoc_peer_rwnd
= 0;
3312 sasoc
->sasoc_local_rwnd
= 0;
3313 if (stcb
->asoc
.cookie_life
)
3314 stcb
->asoc
.cookie_life
= sasoc
->sasoc_cookie_life
;
3315 SCTP_TCB_UNLOCK(stcb
);
3317 SCTP_INP_WLOCK(inp
);
3318 if (sasoc
->sasoc_asocmaxrxt
)
3319 inp
->sctp_ep
.max_send_times
= sasoc
->sasoc_asocmaxrxt
;
3320 sasoc
->sasoc_number_peer_destinations
= 0;
3321 sasoc
->sasoc_peer_rwnd
= 0;
3322 sasoc
->sasoc_local_rwnd
= 0;
3323 if (sasoc
->sasoc_cookie_life
)
3324 inp
->sctp_ep
.def_cookie_life
= sasoc
->sasoc_cookie_life
;
3325 SCTP_INP_WUNLOCK(inp
);
3331 struct sctp_initmsg
*sinit
;
3333 if ((size_t)m
->m_len
< sizeof(struct sctp_initmsg
)) {
3337 sinit
= mtod(m
, struct sctp_initmsg
*);
3338 SCTP_INP_WLOCK(inp
);
3339 if (sinit
->sinit_num_ostreams
)
3340 inp
->sctp_ep
.pre_open_stream_count
= sinit
->sinit_num_ostreams
;
3342 if (sinit
->sinit_max_instreams
)
3343 inp
->sctp_ep
.max_open_streams_intome
= sinit
->sinit_max_instreams
;
3345 if (sinit
->sinit_max_attempts
)
3346 inp
->sctp_ep
.max_init_times
= sinit
->sinit_max_attempts
;
3348 if (sinit
->sinit_max_init_timeo
> 10)
3349 /* We must be at least a 100ms (we set in ticks) */
3350 inp
->sctp_ep
.initial_init_rto_max
= sinit
->sinit_max_init_timeo
;
3351 SCTP_INP_WUNLOCK(inp
);
3354 case SCTP_PRIMARY_ADDR
:
3356 struct sctp_setprim
*spa
;
3357 struct sctp_nets
*net
, *lnet
;
3358 if ((size_t)m
->m_len
< sizeof(struct sctp_setprim
)) {
3362 spa
= mtod(m
, struct sctp_setprim
*);
3364 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3365 SCTP_INP_RLOCK(inp
);
3366 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3368 SCTP_TCB_LOCK(stcb
);
3373 SCTP_INP_RUNLOCK(inp
);
3375 stcb
= sctp_findassociation_ep_asocid(inp
, spa
->ssp_assoc_id
);
3378 SCTP_INP_WLOCK(inp
);
3379 SCTP_INP_INCR_REF(inp
);
3380 SCTP_INP_WUNLOCK(inp
);
3381 stcb
= sctp_findassociation_ep_addr(&inp
,
3382 (struct sockaddr
*)&spa
->ssp_addr
,
3385 SCTP_INP_WLOCK(inp
);
3386 SCTP_INP_DECR_REF(inp
);
3387 SCTP_INP_WUNLOCK(inp
);
3392 /* find the net, associd or connected lookup type */
3393 net
= sctp_findnet(stcb
, (struct sockaddr
*)&spa
->ssp_addr
);
3395 SCTP_TCB_UNLOCK(stcb
);
3400 if ((net
!= stcb
->asoc
.primary_destination
) &&
3401 (!(net
->dest_state
& SCTP_ADDR_UNCONFIRMED
))) {
3402 /* Ok we need to set it */
3403 lnet
= stcb
->asoc
.primary_destination
;
3404 lnet
->next_tsn_at_change
= net
->next_tsn_at_change
= stcb
->asoc
.sending_seq
;
3405 if (sctp_set_primary_addr(stcb
,
3406 (struct sockaddr
*)NULL
,
3408 if (net
->dest_state
& SCTP_ADDR_SWITCH_PRIMARY
) {
3409 net
->dest_state
|= SCTP_ADDR_DOUBLE_SWITCH
;
3411 net
->dest_state
|= SCTP_ADDR_SWITCH_PRIMARY
;
3414 SCTP_TCB_UNLOCK(stcb
);
3418 case SCTP_SET_PEER_PRIMARY_ADDR
:
3420 struct sctp_setpeerprim
*sspp
;
3421 if ((size_t)m
->m_len
< sizeof(struct sctp_setpeerprim
)) {
3425 sspp
= mtod(m
, struct sctp_setpeerprim
*);
3428 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3429 SCTP_INP_RLOCK(inp
);
3430 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3432 SCTP_TCB_UNLOCK(stcb
);
3433 SCTP_INP_RUNLOCK(inp
);
3435 stcb
= sctp_findassociation_ep_asocid(inp
, sspp
->sspp_assoc_id
);
3440 if (sctp_set_primary_ip_address_sa(stcb
, (struct sockaddr
*)&sspp
->sspp_addr
) != 0) {
3443 SCTP_TCB_UNLOCK(stcb
);
3446 case SCTP_BINDX_ADD_ADDR
:
3448 struct sctp_getaddresses
*addrs
;
3449 struct sockaddr
*addr_touse
;
3450 struct sockaddr_in sin
;
3451 /* see if we're bound all already! */
3452 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUNDALL
) {
3456 if ((size_t)m
->m_len
< sizeof(struct sctp_getaddresses
)) {
3460 addrs
= mtod(m
, struct sctp_getaddresses
*);
3461 addr_touse
= addrs
->addr
;
3462 if (addrs
->addr
->sa_family
== AF_INET6
) {
3463 struct sockaddr_in6
*sin6
;
3464 sin6
= (struct sockaddr_in6
*)addr_touse
;
3465 if (IN6_IS_ADDR_V4MAPPED(&sin6
->sin6_addr
)) {
3466 in6_sin6_2_sin(&sin
, sin6
);
3467 addr_touse
= (struct sockaddr
*)&sin
;
3470 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_UNBOUND
) {
3472 /* Can't get proc for Net/Open BSD */
3476 error
= sctp_inpcb_bind(so
, addr_touse
, p
);
3479 /* No locks required here since bind and mgmt_ep_sa all
3480 * do their own locking. If we do something for the FIX:
3481 * below we may need to lock in that case.
3483 if (addrs
->sget_assoc_id
== 0) {
3484 /* add the address */
3485 struct sctp_inpcb
*lep
;
3486 ((struct sockaddr_in
*)addr_touse
)->sin_port
= inp
->sctp_lport
;
3487 lep
= sctp_pcb_findep(addr_touse
, 1, 0);
3489 /* We must decrement the refcount
3490 * since we have the ep already and
3491 * are binding. No remove going on
3494 SCTP_INP_WLOCK(inp
);
3495 SCTP_INP_DECR_REF(inp
);
3496 SCTP_INP_WUNLOCK(inp
);
3499 /* already bound to it.. ok */
3501 } else if (lep
== NULL
) {
3502 ((struct sockaddr_in
*)addr_touse
)->sin_port
= 0;
3503 error
= sctp_addr_mgmt_ep_sa(inp
, addr_touse
,
3504 SCTP_ADD_IP_ADDRESS
);
3506 error
= EADDRNOTAVAIL
;
3512 /* FIX: decide whether we allow assoc based bindx */
3516 case SCTP_BINDX_REM_ADDR
:
3518 struct sctp_getaddresses
*addrs
;
3519 struct sockaddr
*addr_touse
;
3520 struct sockaddr_in sin
;
3521 /* see if we're bound all already! */
3522 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUNDALL
) {
3526 if ((size_t)m
->m_len
< sizeof(struct sctp_getaddresses
)) {
3530 addrs
= mtod(m
, struct sctp_getaddresses
*);
3531 addr_touse
= addrs
->addr
;
3532 if (addrs
->addr
->sa_family
== AF_INET6
) {
3533 struct sockaddr_in6
*sin6
;
3534 sin6
= (struct sockaddr_in6
*)addr_touse
;
3535 if (IN6_IS_ADDR_V4MAPPED(&sin6
->sin6_addr
)) {
3536 in6_sin6_2_sin(&sin
, sin6
);
3537 addr_touse
= (struct sockaddr
*)&sin
;
3540 /* No lock required mgmt_ep_sa does its own locking. If
3541 * the FIX: below is ever changed we may need to
3542 * lock before calling association level binding.
3544 if (addrs
->sget_assoc_id
== 0) {
3545 /* delete the address */
3546 sctp_addr_mgmt_ep_sa(inp
, addr_touse
,
3547 SCTP_DEL_IP_ADDRESS
);
3549 /* FIX: decide whether we allow assoc based bindx */
3554 error
= ENOPROTOOPT
;
3556 } /* end switch (opt) */
3561 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
3563 sctp_ctloutput(struct socket
*so
, struct sockopt
*sopt
)
3565 struct mbuf
*m
= NULL
;
3566 struct sctp_inpcb
*inp
;
3569 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
3573 /* I made the same as TCP since we are not setup? */
3574 return (ECONNRESET
);
3576 if (sopt
->sopt_level
!= IPPROTO_SCTP
) {
3577 /* wrong proto level... send back up to IP */
3579 if (INP_CHECK_SOCKAF(so
, AF_INET6
))
3580 error
= ip6_ctloutput(so
, sopt
);
3583 error
= ip_ctloutput(so
, sopt
);
3587 if (sopt
->sopt_valsize
> MCLBYTES
) {
3589 * Restrict us down to a cluster size, that's all we can
3590 * pass either way...
3592 sopt
->sopt_valsize
= MCLBYTES
;
3594 if (sopt
->sopt_valsize
) {
3596 m
= m_get(MB_WAIT
, MT_DATA
);
3597 if (sopt
->sopt_valsize
> MLEN
) {
3598 MCLGET(m
, MB_DONTWAIT
);
3599 if ((m
->m_flags
& M_EXT
) == 0) {
3605 error
= sooptcopyin(sopt
, mtod(m
, caddr_t
), sopt
->sopt_valsize
,
3606 sopt
->sopt_valsize
);
3611 m
->m_len
= sopt
->sopt_valsize
;
3613 if (sopt
->sopt_dir
== SOPT_SET
) {
3614 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
3615 error
= sctp_optsset(so
, sopt
->sopt_name
, &m
, sopt
->sopt_td
);
3617 error
= sctp_optsset(so
, sopt
->sopt_name
, &m
, sopt
->sopt_p
);
3619 } else if (sopt
->sopt_dir
== SOPT_GET
) {
3620 #if (defined (__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
3621 error
= sctp_optsget(so
, sopt
->sopt_name
, &m
, sopt
->sopt_td
);
3623 error
= sctp_optsget(so
, sopt
->sopt_name
, &m
, sopt
->sopt_p
);
3628 if ( (error
== 0) && (m
!= NULL
)) {
3629 error
= sooptcopyout(sopt
, mtod(m
, caddr_t
), m
->m_len
);
3631 } else if (m
!= NULL
) {
3640 /* NetBSD and OpenBSD */
3642 sctp_ctloutput(int op
, struct socket
*so
, int level
, int optname
,
3648 struct in6pcb
*in6p
;
3650 int family
; /* family of the socket */
3652 family
= so
->so_proto
->pr_domain
->dom_family
;
3657 inp
= sotoinpcb(so
);
3665 in6p
= sotoin6pcb(so
);
3670 return EAFNOSUPPORT
;
3675 if (inp
== NULL
&& in6p
== NULL
)
3679 if (op
== PRCO_SETOPT
&& *mp
)
3681 return (ECONNRESET
);
3683 if (level
!= IPPROTO_SCTP
) {
3686 error
= ip_ctloutput(op
, so
, level
, optname
, mp
);
3690 error
= ip6_ctloutput(op
, so
, level
, optname
, mp
);
3697 /* Ok if we reach here it is a SCTP option we hope */
3698 if (op
== PRCO_SETOPT
) {
3699 error
= sctp_optsset(so
, optname
, mp
, (struct proc
*)NULL
);
3702 } else if (op
== PRCO_GETOPT
) {
3703 error
= sctp_optsget(so
, optname
, mp
, (struct proc
*)NULL
);
3714 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
3715 sctp_connect(struct socket
*so
, struct sockaddr
*addr
, struct thread
*p
)
3718 #if defined(__FreeBSD__) || defined(__APPLE__)
3719 sctp_connect(struct socket
*so
, struct sockaddr
*addr
, struct proc
*p
)
3722 sctp_connect(struct socket
*so
, struct mbuf
*nam
, struct proc
*p
)
3724 struct sockaddr
*addr
= mtod(nam
, struct sockaddr
*);
3728 struct sctp_inpcb
*inp
;
3729 struct sctp_tcb
*stcb
;
3732 if (sctp_debug_on
& SCTP_DEBUG_PCB1
) {
3733 kprintf("Connect called in SCTP to ");
3734 sctp_print_address(addr
);
3735 kprintf("Port %d\n", ntohs(((struct sockaddr_in
*)addr
)->sin_port
));
3737 #endif /* SCTP_DEBUG */
3739 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
3742 /* I made the same as TCP since we are not setup? */
3743 return (ECONNRESET
);
3745 SCTP_ASOC_CREATE_LOCK(inp
);
3746 SCTP_INP_WLOCK(inp
);
3747 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_SOCKET_GONE
) ||
3748 (inp
->sctp_flags
& SCTP_PCB_FLAGS_SOCKET_GONE
)) {
3749 /* Should I really unlock ? */
3750 SCTP_INP_WUNLOCK(inp
);
3751 SCTP_ASOC_CREATE_UNLOCK(inp
);
3756 if (((inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUND_V6
) == 0) &&
3757 (addr
->sa_family
== AF_INET6
)) {
3758 SCTP_INP_WUNLOCK(inp
);
3759 SCTP_ASOC_CREATE_UNLOCK(inp
);
3764 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_UNBOUND
) ==
3765 SCTP_PCB_FLAGS_UNBOUND
) {
3766 /* Bind a ephemeral port */
3767 SCTP_INP_WUNLOCK(inp
);
3768 error
= sctp_inpcb_bind(so
, NULL
, p
);
3770 SCTP_ASOC_CREATE_UNLOCK(inp
);
3774 SCTP_INP_WLOCK(inp
);
3776 /* Now do we connect? */
3777 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) &&
3778 (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
)) {
3779 /* We are already connected AND the TCP model */
3781 SCTP_INP_WUNLOCK(inp
);
3782 SCTP_ASOC_CREATE_UNLOCK(inp
);
3783 return (EADDRINUSE
);
3785 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
3786 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3788 SCTP_TCB_UNLOCK(stcb
);
3789 SCTP_INP_WUNLOCK(inp
);
3791 SCTP_INP_INCR_REF(inp
);
3792 SCTP_INP_WUNLOCK(inp
);
3793 stcb
= sctp_findassociation_ep_addr(&inp
, addr
, NULL
, NULL
, NULL
);
3795 SCTP_INP_WLOCK(inp
);
3796 SCTP_INP_DECR_REF(inp
);
3797 SCTP_INP_WUNLOCK(inp
);
3801 /* Already have or am bring up an association */
3802 SCTP_ASOC_CREATE_UNLOCK(inp
);
3803 SCTP_TCB_UNLOCK(stcb
);
3807 /* We are GOOD to go */
3808 stcb
= sctp_aloc_assoc(inp
, addr
, 1, &error
, 0);
3810 /* Gak! no memory */
3814 if (stcb
->sctp_ep
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) {
3815 stcb
->sctp_ep
->sctp_flags
|= SCTP_PCB_FLAGS_CONNECTED
;
3816 /* Set the connected flag so we can queue data */
3819 stcb
->asoc
.state
= SCTP_STATE_COOKIE_WAIT
;
3820 SCTP_GETTIME_TIMEVAL(&stcb
->asoc
.time_entered
);
3821 sctp_send_initiate(inp
, stcb
);
3822 SCTP_ASOC_CREATE_UNLOCK(inp
);
3823 SCTP_TCB_UNLOCK(stcb
);
3829 sctp_usr_recvd(struct socket
*so
, int flags
)
3831 struct sctp_socket_q_list
*sq
=NULL
;
3833 * The user has received some data, we may be able to stuff more
3834 * up the socket. And we need to possibly update the rwnd.
3836 struct sctp_inpcb
*inp
;
3837 struct sctp_tcb
*stcb
=NULL
;
3839 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
3841 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
)
3842 kprintf("Read for so:%x inp:%x Flags:%x\n",
3843 (u_int
)so
, (u_int
)inp
, (u_int
)flags
);
3847 /* I made the same as TCP since we are not setup? */
3849 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
)
3850 kprintf("Nope, connection reset\n");
3852 return (ECONNRESET
);
3856 * Grab the first one on the list. It will re-insert itself if
3857 * it runs out of room
3859 SCTP_INP_WLOCK(inp
);
3860 if ((flags
& MSG_EOR
) && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_IN_TCPPOOL
) == 0)
3861 && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) == 0)) {
3862 /* Ok the other part of our grubby tracking
3863 * stuff for our horrible layer violation that
3864 * the tsvwg thinks is ok for sctp_peeloff.. gak!
3865 * We must update the next vtag pending on the
3866 * socket buffer (if any).
3868 inp
->sctp_vtag_first
= sctp_get_first_vtag_from_sb(so
);
3869 sq
= TAILQ_FIRST(&inp
->sctp_queue_list
);
3876 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
3879 SCTP_TCB_LOCK(stcb
);
3882 /* all code in normal stcb path assumes
3883 * that you have a tcb_lock only. Thus
3884 * we must release the inp write lock.
3886 if (flags
& MSG_EOR
) {
3887 if (((inp
->sctp_flags
& SCTP_PCB_FLAGS_IN_TCPPOOL
) == 0)
3888 && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) == 0)) {
3889 stcb
= sctp_remove_from_socket_q(inp
);
3892 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
)
3893 kprintf("remove from socket queue for inp:%x tcbret:%x\n",
3894 (u_int
)inp
, (u_int
)stcb
);
3897 stcb
->asoc
.my_rwnd_control_len
= sctp_sbspace_sub(stcb
->asoc
.my_rwnd_control_len
,
3898 sizeof(struct mbuf
));
3899 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_RECVDATAIOEVNT
) {
3900 stcb
->asoc
.my_rwnd_control_len
= sctp_sbspace_sub(stcb
->asoc
.my_rwnd_control_len
,
3901 CMSG_LEN(sizeof(struct sctp_sndrcvinfo
)));
3904 if ((TAILQ_EMPTY(&stcb
->asoc
.delivery_queue
) == 0) ||
3905 (TAILQ_EMPTY(&stcb
->asoc
.reasmqueue
) == 0)) {
3906 /* Deliver if there is something to be delivered */
3907 sctp_service_queues(stcb
, &stcb
->asoc
, 1);
3909 sctp_set_rwnd(stcb
, &stcb
->asoc
);
3910 /* if we increase by 1 or more MTU's (smallest MTUs of all
3911 * nets) we send a window update sack
3913 incr
= stcb
->asoc
.my_rwnd
- stcb
->asoc
.my_last_reported_rwnd
;
3917 if (((uint32_t)incr
>= (stcb
->asoc
.smallest_mtu
* SCTP_SEG_TO_RWND_UPD
)) ||
3918 ((((uint32_t)incr
)*SCTP_SCALE_OF_RWND_TO_UPD
) >= so
->so_rcv
.ssb_hiwat
)) {
3919 if (callout_pending(&stcb
->asoc
.dack_timer
.timer
)) {
3920 /* If the timer is up, stop it */
3921 sctp_timer_stop(SCTP_TIMER_TYPE_RECV
,
3922 stcb
->sctp_ep
, stcb
, NULL
);
3924 /* Send the sack, with the new rwnd */
3925 sctp_send_sack(stcb
);
3926 /* Now do the output */
3927 sctp_chunk_output(inp
, stcb
, 10);
3930 if ((( sq
) && (flags
& MSG_EOR
) && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_IN_TCPPOOL
) == 0))
3931 && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) == 0)) {
3932 stcb
= sctp_remove_from_socket_q(inp
);
3935 SOCKBUF_LOCK(&so
->so_rcv
);
3936 if (( so
->so_rcv
.ssb_mb
== NULL
) &&
3937 (TAILQ_EMPTY(&inp
->sctp_queue_list
) == 0)) {
3940 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
)
3941 kprintf("Something off, inp:%x so->so_rcv->ssb_mb is empty and sockq is not.. cleaning\n",
3944 if (((inp
->sctp_flags
& SCTP_PCB_FLAGS_IN_TCPPOOL
) == 0)
3945 && ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) == 0)) {
3947 done_yet
= TAILQ_EMPTY(&inp
->sctp_queue_list
);
3950 sctp_remove_from_socket_q(inp
);
3951 done_yet
= TAILQ_EMPTY(&inp
->sctp_queue_list
);
3955 if (sctp_debug_on
& SCTP_DEBUG_USRREQ2
)
3956 kprintf("Cleaned up %d sockq's\n", sq_cnt
);
3959 SOCKBUF_UNLOCK(&so
->so_rcv
);
3961 SCTP_TCB_UNLOCK(stcb
);
3962 SCTP_INP_WUNLOCK(inp
);
3968 #if (defined(__FreeBSD__) && __FreeBSD_version >= 500000) || defined(__DragonFly__)
3969 sctp_listen(struct socket
*so
, struct thread
*p
)
3971 sctp_listen(struct socket
*so
, struct proc
*p
)
3975 * Note this module depends on the protocol processing being
3976 * called AFTER any socket level flags and backlog are applied
3977 * to the socket. The traditional way that the socket flags are
3978 * applied is AFTER protocol processing. We have made a change
3979 * to the sys/kern/uipc_socket.c module to reverse this but this
3980 * MUST be in place if the socket API for SCTP is to work properly.
3983 struct sctp_inpcb
*inp
;
3986 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
3989 /* I made the same as TCP since we are not setup? */
3990 return (ECONNRESET
);
3992 SCTP_INP_RLOCK(inp
);
3993 if ((inp
->sctp_flags
& SCTP_PCB_FLAGS_TCPTYPE
) &&
3994 (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
)) {
3995 /* We are already connected AND the TCP model */
3997 SCTP_INP_RUNLOCK(inp
);
3998 return (EADDRINUSE
);
4000 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_UNBOUND
) {
4001 /* We must do a bind. */
4002 SCTP_INP_RUNLOCK(inp
);
4003 if ((error
= sctp_inpcb_bind(so
, NULL
, p
))) {
4004 /* bind error, probably perm */
4009 SCTP_INP_RUNLOCK(inp
);
4012 SCTP_INP_WLOCK(inp
);
4013 if (inp
->sctp_socket
->so_qlimit
) {
4014 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_UDPTYPE
) {
4016 * For the UDP model we must TURN OFF the ACCEPT
4017 * flags since we do NOT allow the accept() call.
4018 * The TCP model (when present) will do accept which
4019 * then prohibits connect().
4021 inp
->sctp_socket
->so_options
&= ~SO_ACCEPTCONN
;
4023 inp
->sctp_flags
|= SCTP_PCB_FLAGS_ACCEPTING
;
4025 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_ACCEPTING
) {
4027 * Turning off the listen flags if the backlog is
4028 * set to 0 (i.e. qlimit is 0).
4030 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_ACCEPTING
;
4032 inp
->sctp_socket
->so_options
&= ~SO_ACCEPTCONN
;
4034 SCTP_INP_WUNLOCK(inp
);
4041 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4042 sctp_accept(struct socket
*so
, struct sockaddr
**addr
)
4045 sctp_accept(struct socket
*so
, struct mbuf
*nam
)
4047 struct sockaddr
*addr
= mtod(nam
, struct sockaddr
*);
4049 struct sctp_tcb
*stcb
;
4050 struct sockaddr
*prim
;
4051 struct sctp_inpcb
*inp
;
4054 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
4058 return (ECONNRESET
);
4060 SCTP_INP_RLOCK(inp
);
4061 if (so
->so_state
& SS_ISDISCONNECTED
) {
4063 SCTP_INP_RUNLOCK(inp
);
4064 return (ECONNABORTED
);
4066 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
4069 SCTP_INP_RUNLOCK(inp
);
4070 return (ECONNRESET
);
4072 SCTP_TCB_LOCK(stcb
);
4073 SCTP_INP_RUNLOCK(inp
);
4074 prim
= (struct sockaddr
*)&stcb
->asoc
.primary_destination
->ro
._l_addr
;
4075 if (prim
->sa_family
== AF_INET
) {
4076 struct sockaddr_in
*sin
;
4077 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4078 MALLOC(sin
, struct sockaddr_in
*, sizeof *sin
, M_SONAME
,
4081 sin
= (struct sockaddr_in
*)addr
;
4082 bzero((caddr_t
)sin
, sizeof (*sin
));
4084 sin
->sin_family
= AF_INET
;
4085 sin
->sin_len
= sizeof(*sin
);
4086 sin
->sin_port
= ((struct sockaddr_in
*)prim
)->sin_port
;
4087 sin
->sin_addr
= ((struct sockaddr_in
*)prim
)->sin_addr
;
4088 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4089 *addr
= (struct sockaddr
*)sin
;
4091 nam
->m_len
= sizeof(*sin
);
4094 struct sockaddr_in6
*sin6
;
4095 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4096 MALLOC(sin6
, struct sockaddr_in6
*, sizeof *sin6
, M_SONAME
,
4099 sin6
= (struct sockaddr_in6
*)addr
;
4101 bzero((caddr_t
)sin6
, sizeof (*sin6
));
4102 sin6
->sin6_family
= AF_INET6
;
4103 sin6
->sin6_len
= sizeof(*sin6
);
4104 sin6
->sin6_port
= ((struct sockaddr_in6
*)prim
)->sin6_port
;
4106 sin6
->sin6_addr
= ((struct sockaddr_in6
*)prim
)->sin6_addr
;
4107 if (IN6_IS_SCOPE_LINKLOCAL(&sin6
->sin6_addr
))
4108 /* sin6->sin6_scope_id = ntohs(sin6->sin6_addr.s6_addr16[1]);*/
4109 in6_recoverscope(sin6
, &sin6
->sin6_addr
, NULL
); /* skip ifp check */
4111 sin6
->sin6_scope_id
= 0; /*XXX*/
4112 #if defined(__FreeBSD__) || defined (__APPLE__) || defined(__DragonFly__)
4113 *addr
= (struct sockaddr
*)sin6
;
4115 nam
->m_len
= sizeof(*sin6
);
4118 /* Wake any delayed sleep action */
4119 SCTP_TCB_UNLOCK(stcb
);
4120 SCTP_INP_WLOCK(inp
);
4121 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_DONT_WAKE
) {
4122 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_DONT_WAKE
;
4123 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_WAKEOUTPUT
) {
4124 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_WAKEOUTPUT
;
4125 #if defined(__NetBSD__)
4126 if (sowritable(inp
->sctp_socket
))
4127 sowwakeup(inp
->sctp_socket
);
4129 if (sowriteable(inp
->sctp_socket
))
4130 sowwakeup(inp
->sctp_socket
);
4133 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_WAKEINPUT
) {
4134 inp
->sctp_flags
&= ~SCTP_PCB_FLAGS_WAKEINPUT
;
4135 if (soreadable(inp
->sctp_socket
))
4136 sorwakeup(inp
->sctp_socket
);
4140 SCTP_INP_WUNLOCK(inp
);
4146 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4147 sctp_ingetaddr(struct socket
*so
, struct sockaddr
**addr
)
4149 sctp_ingetaddr(struct socket
*so
, struct mbuf
*nam
)
4152 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4153 struct sockaddr_in
*sin
;
4155 struct sockaddr_in
*sin
= mtod(nam
, struct sockaddr_in
*);
4157 struct sctp_inpcb
*inp
;
4159 * Do the malloc first in case it blocks.
4161 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4162 MALLOC(sin
, struct sockaddr_in
*, sizeof *sin
, M_SONAME
, M_WAITOK
|
4165 nam
->m_len
= sizeof(*sin
);
4166 memset(sin
, 0, sizeof(*sin
));
4168 sin
->sin_family
= AF_INET
;
4169 sin
->sin_len
= sizeof(*sin
);
4171 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
4174 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4175 FREE(sin
, M_SONAME
);
4179 SCTP_INP_RLOCK(inp
);
4180 sin
->sin_port
= inp
->sctp_lport
;
4181 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_BOUNDALL
) {
4182 if (inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) {
4183 struct sctp_tcb
*stcb
;
4184 struct sockaddr_in
*sin_a
;
4185 struct sctp_nets
*net
;
4188 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
4194 SCTP_TCB_LOCK(stcb
);
4195 TAILQ_FOREACH(net
, &stcb
->asoc
.nets
, sctp_next
) {
4196 sin_a
= (struct sockaddr_in
*)&net
->ro
._l_addr
;
4197 if (sin_a
->sin_family
== AF_INET
) {
4202 if ((!fnd
) || (sin_a
== NULL
)) {
4204 SCTP_TCB_UNLOCK(stcb
);
4207 sin
->sin_addr
= sctp_ipv4_source_address_selection(inp
,
4208 stcb
, (struct route
*)&net
->ro
, net
, 0);
4209 SCTP_TCB_UNLOCK(stcb
);
4211 /* For the bound all case you get back 0 */
4213 sin
->sin_addr
.s_addr
= 0;
4217 /* Take the first IPv4 address in the list */
4218 struct sctp_laddr
*laddr
;
4220 LIST_FOREACH(laddr
, &inp
->sctp_addr_list
, sctp_nxt_addr
) {
4221 if (laddr
->ifa
->ifa_addr
->sa_family
== AF_INET
) {
4222 struct sockaddr_in
*sin_a
;
4223 sin_a
= (struct sockaddr_in
*)laddr
->ifa
->ifa_addr
;
4224 sin
->sin_addr
= sin_a
->sin_addr
;
4231 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4232 FREE(sin
, M_SONAME
);
4234 SCTP_INP_RUNLOCK(inp
);
4238 SCTP_INP_RUNLOCK(inp
);
4240 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4241 (*addr
) = (struct sockaddr
*)sin
;
4247 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4248 sctp_peeraddr(struct socket
*so
, struct sockaddr
**addr
)
4250 struct sockaddr_in
*sin
= (struct sockaddr_in
*)*addr
;
4252 sctp_peeraddr(struct socket
*so
, struct mbuf
*nam
)
4254 struct sockaddr_in
*sin
= mtod(nam
, struct sockaddr_in
*);
4257 struct sockaddr_in
*sin_a
;
4258 struct sctp_inpcb
*inp
;
4259 struct sctp_tcb
*stcb
;
4260 struct sctp_nets
*net
;
4262 /* Do the malloc first in case it blocks. */
4263 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
4264 if ((inp
== NULL
) ||
4265 ((inp
->sctp_flags
& SCTP_PCB_FLAGS_CONNECTED
) == 0)) {
4266 /* UDP type and listeners will drop out here */
4271 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4272 MALLOC(sin
, struct sockaddr_in
*, sizeof *sin
, M_SONAME
, M_WAITOK
|
4275 nam
->m_len
= sizeof(*sin
);
4276 memset(sin
, 0, sizeof(*sin
));
4278 sin
->sin_family
= AF_INET
;
4279 sin
->sin_len
= sizeof(*sin
);
4281 /* We must recapture incase we blocked */
4282 inp
= (struct sctp_inpcb
*)so
->so_pcb
;
4285 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4286 FREE(sin
, M_SONAME
);
4290 SCTP_INP_RLOCK(inp
);
4291 stcb
= LIST_FIRST(&inp
->sctp_asoc_list
);
4293 SCTP_TCB_LOCK(stcb
);
4294 SCTP_INP_RUNLOCK(inp
);
4297 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4298 FREE(sin
, M_SONAME
);
4303 TAILQ_FOREACH(net
, &stcb
->asoc
.nets
, sctp_next
) {
4304 sin_a
= (struct sockaddr_in
*)&net
->ro
._l_addr
;
4305 if (sin_a
->sin_family
== AF_INET
) {
4307 sin
->sin_port
= stcb
->rport
;
4308 sin
->sin_addr
= sin_a
->sin_addr
;
4312 SCTP_TCB_UNLOCK(stcb
);
4314 /* No IPv4 address */
4316 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4317 FREE(sin
, M_SONAME
);
4325 #if defined(__FreeBSD__) || defined(__APPLE__) || defined(__DragonFly__)
4326 struct pr_usrreqs sctp_usrreqs
= {
4327 .pru_abort
= sctp_abort
,
4328 .pru_accept
= sctp_accept
,
4329 .pru_attach
= sctp_attach
,
4330 .pru_bind
= sctp_bind
,
4331 .pru_connect
= sctp_connect
,
4332 .pru_connect2
= pru_connect2_notsupp
,
4333 .pru_control
= in_control
,
4334 .pru_detach
= sctp_detach
,
4335 .pru_disconnect
= sctp_disconnect
,
4336 .pru_listen
= sctp_listen
,
4337 .pru_peeraddr
= sctp_peeraddr
,
4338 .pru_rcvd
= sctp_usr_recvd
,
4339 .pru_rcvoob
= pru_rcvoob_notsupp
,
4340 .pru_send
= sctp_send
,
4341 .pru_sense
= pru_sense_null
,
4342 .pru_shutdown
= sctp_shutdown
,
4343 .pru_sockaddr
= sctp_ingetaddr
,
4344 .pru_sosend
= sctp_sosend
,
4345 .pru_soreceive
= soreceive
,
4346 .pru_sopoll
= sopoll
4350 #if defined(__NetBSD__)
4352 sctp_usrreq(struct socket
*so
, int req
, struct mbuf
*m
, struct mbuf
*nam
,
4353 struct mbuf
*control
, struct proc
*p
)
4357 sctp_usrreq(struct socket
*so
, int req
, struct mbuf
*m
, struct mbuf
*nam
,
4358 struct mbuf
*control
)
4360 struct proc
*p
= curproc
;
4365 family
= so
->so_proto
->pr_domain
->dom_family
;
4368 if (req
== PRU_CONTROL
) {
4371 error
= in_control(so
, (long)m
, (caddr_t
)nam
,
4372 (struct ifnet
*)control
4373 #if defined(__NetBSD__)
4380 error
= in6_control(so
, (long)m
, (caddr_t
)nam
,
4381 (struct ifnet
*)control
, p
);
4385 error
= EAFNOSUPPORT
;
4391 if (req
== PRU_PURGEIF
) {
4394 ifn
= (struct ifnet
*)control
;
4395 TAILQ_FOREACH(ifa
, &ifn
->if_addrlist
, ifa_list
) {
4396 if (ifa
->ifa_addr
->sa_family
== family
) {
4397 sctp_delete_ip_address(ifa
);
4411 return (EAFNOSUPPORT
);
4419 error
= sctp_attach(so
, family
, p
);
4422 error
= sctp_detach(so
);
4429 error
= sctp_bind(so
, nam
, p
);
4432 error
= sctp_listen(so
, p
);
4439 error
= sctp_connect(so
, nam
, p
);
4441 case PRU_DISCONNECT
:
4442 error
= sctp_disconnect(so
);
4449 error
= sctp_accept(so
, nam
);
4452 error
= sctp_shutdown(so
);
4457 * For Open and Net BSD, this is real
4458 * ugly. The mbuf *nam that is passed
4459 * (by soreceive()) is the int flags c
4460 * ast as a (mbuf *) yuck!
4462 error
= sctp_usr_recvd(so
, (int)((long)nam
));
4466 /* Flags are ignored */
4468 if (sctp_debug_on
& SCTP_DEBUG_USRREQ1
) {
4469 kprintf("Send called on V4 side\n");
4473 struct sockaddr
*addr
;
4477 addr
= mtod(nam
, struct sockaddr
*);
4479 error
= sctp_send(so
, 0, m
, addr
, control
, p
);
4483 error
= sctp_abort(so
);
4490 error
= EAFNOSUPPORT
;
4493 error
= EAFNOSUPPORT
;
4496 error
= sctp_peeraddr(so
, nam
);
4499 error
= sctp_ingetaddr(so
, nam
);
4512 /* #if defined(__NetBSD__) || defined(__OpenBSD__) */
4515 * Sysctl for sctp variables.
4518 sctp_sysctl(int *name
, u_int namelen
, void *oldp
, size_t *oldlenp
, void *newp
,
4522 /* All sysctl names at this level are terminal. */
4528 case SCTPCTL_MAXDGRAM
:
4529 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4531 case SCTPCTL_RECVSPACE
:
4532 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4534 case SCTPCTL_AUTOASCONF
:
4535 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4536 &sctp_auto_asconf
));
4537 case SCTPCTL_ECN_ENABLE
:
4538 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4540 case SCTPCTL_ECN_NONCE
:
4541 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4543 case SCTPCTL_STRICT_SACK
:
4544 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4545 &sctp_strict_sacks
));
4546 case SCTPCTL_NOCSUM_LO
:
4547 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4548 &sctp_no_csum_on_loopback
));
4549 case SCTPCTL_STRICT_INIT
:
4550 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4551 &sctp_strict_init
));
4552 case SCTPCTL_PEER_CHK_OH
:
4553 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4554 &sctp_peer_chunk_oh
));
4555 case SCTPCTL_MAXBURST
:
4556 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4557 &sctp_max_burst_default
));
4558 case SCTPCTL_MAXCHUNKONQ
:
4559 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4560 &sctp_max_chunks_on_queue
));
4561 case SCTPCTL_DELAYED_SACK
:
4562 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4563 &sctp_delayed_sack_time_default
));
4564 case SCTPCTL_HB_INTERVAL
:
4565 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4566 &sctp_heartbeat_interval_default
));
4567 case SCTPCTL_PMTU_RAISE
:
4568 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4569 &sctp_pmtu_raise_time_default
));
4570 case SCTPCTL_SHUTDOWN_GUARD
:
4571 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4572 &sctp_shutdown_guard_time_default
));
4573 case SCTPCTL_SECRET_LIFETIME
:
4574 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4575 &sctp_secret_lifetime_default
));
4576 case SCTPCTL_RTO_MAX
:
4577 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4578 &sctp_rto_max_default
));
4579 case SCTPCTL_RTO_MIN
:
4580 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4581 &sctp_rto_min_default
));
4582 case SCTPCTL_RTO_INITIAL
:
4583 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4584 &sctp_rto_initial_default
));
4585 case SCTPCTL_INIT_RTO_MAX
:
4586 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4587 &sctp_init_rto_max_default
));
4588 case SCTPCTL_COOKIE_LIFE
:
4589 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4590 &sctp_valid_cookie_life_default
));
4591 case SCTPCTL_INIT_RTX_MAX
:
4592 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4593 &sctp_init_rtx_max_default
));
4594 case SCTPCTL_ASSOC_RTX_MAX
:
4595 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4596 &sctp_assoc_rtx_max_default
));
4597 case SCTPCTL_PATH_RTX_MAX
:
4598 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4599 &sctp_path_rtx_max_default
));
4600 case SCTPCTL_NR_OUTGOING_STREAMS
:
4601 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4602 &sctp_nr_outgoing_streams_default
));
4605 return (sysctl_int(oldp
, oldlenp
, newp
, newlen
,
4609 return (ENOPROTOOPT
);
4616 * Sysctl for sctp variables.
4618 SYSCTL_SETUP(sysctl_net_inet_sctp_setup
, "sysctl net.inet.sctp subtree setup")
4621 sysctl_createv(clog
, 0, NULL
, NULL
,
4623 CTLTYPE_NODE
, "net", NULL
,
4626 sysctl_createv(clog
, 0, NULL
, NULL
,
4628 CTLTYPE_NODE
, "inet", NULL
,
4630 CTL_NET
, PF_INET
, CTL_EOL
);
4631 sysctl_createv(clog
, 0, NULL
, NULL
,
4633 CTLTYPE_NODE
, "sctp",
4634 SYSCTL_DESCR("sctp related settings"),
4636 CTL_NET
, PF_INET
, IPPROTO_SCTP
, CTL_EOL
);
4638 sysctl_createv(clog
, 0, NULL
, NULL
,
4639 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4640 CTLTYPE_INT
, "maxdgram",
4641 SYSCTL_DESCR("Maximum outgoing SCTP buffer size"),
4642 NULL
, 0, &sctp_sendspace
, 0,
4643 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_MAXDGRAM
,
4646 sysctl_createv(clog
, 0, NULL
, NULL
,
4647 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4648 CTLTYPE_INT
, "recvspace",
4649 SYSCTL_DESCR("Maximum incoming SCTP buffer size"),
4650 NULL
, 0, &sctp_recvspace
, 0,
4651 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_RECVSPACE
,
4654 sysctl_createv(clog
, 0, NULL
, NULL
,
4655 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4656 CTLTYPE_INT
, "autoasconf",
4657 SYSCTL_DESCR("Enable SCTP Auto-ASCONF"),
4658 NULL
, 0, &sctp_auto_asconf
, 0,
4659 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_AUTOASCONF
,
4662 sysctl_createv(clog
, 0, NULL
, NULL
,
4663 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4664 CTLTYPE_INT
, "ecn_enable",
4665 SYSCTL_DESCR("Enable SCTP ECN"),
4666 NULL
, 0, &sctp_ecn
, 0,
4667 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_ECN_ENABLE
,
4670 sysctl_createv(clog
, 0, NULL
, NULL
,
4671 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4672 CTLTYPE_INT
, "ecn_nonce",
4673 SYSCTL_DESCR("Enable SCTP ECN Nonce"),
4674 NULL
, 0, &sctp_ecn_nonce
, 0,
4675 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_ECN_NONCE
,
4678 sysctl_createv(clog
, 0, NULL
, NULL
,
4679 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4680 CTLTYPE_INT
, "strict_sack",
4681 SYSCTL_DESCR("Enable SCTP Strict SACK checking"),
4682 NULL
, 0, &sctp_strict_sacks
, 0,
4683 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_STRICT_SACK
,
4686 sysctl_createv(clog
, 0, NULL
, NULL
,
4687 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4688 CTLTYPE_INT
, "loopback_nocsum",
4689 SYSCTL_DESCR("Enable NO Csum on packets sent on loopback"),
4690 NULL
, 0, &sctp_no_csum_on_loopback
, 0,
4691 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_NOCSUM_LO
,
4694 sysctl_createv(clog
, 0, NULL
, NULL
,
4695 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4696 CTLTYPE_INT
, "strict_init",
4697 SYSCTL_DESCR("Enable strict INIT/INIT-ACK singleton enforcement"),
4698 NULL
, 0, &sctp_strict_init
, 0,
4699 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_STRICT_INIT
,
4702 sysctl_createv(clog
, 0, NULL
, NULL
,
4703 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4704 CTLTYPE_INT
, "peer_chkoh",
4705 SYSCTL_DESCR("Amount to debit peers rwnd per chunk sent"),
4706 NULL
, 0, &sctp_peer_chunk_oh
, 0,
4707 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_PEER_CHK_OH
,
4710 sysctl_createv(clog
, 0, NULL
, NULL
,
4711 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4712 CTLTYPE_INT
, "maxburst",
4713 SYSCTL_DESCR("Default max burst for sctp endpoints"),
4714 NULL
, 0, &sctp_max_burst_default
, 0,
4715 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_MAXBURST
,
4718 sysctl_createv(clog
, 0, NULL
, NULL
,
4719 CTLFLAG_PERMANENT
|CTLFLAG_READWRITE
,
4720 CTLTYPE_INT
, "maxchunks",
4721 SYSCTL_DESCR("Default max chunks on queue per asoc"),
4722 NULL
, 0, &sctp_max_chunks_on_queue
, 0,
4723 CTL_NET
, PF_INET
, IPPROTO_SCTP
, SCTPCTL_MAXCHUNKONQ
,