xref: /netbsd/sys/netinet/sctp_uio.h (revision 49a9a1ef)
1 /*	$KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $	*/
2 /*	$NetBSD: sctp_uio.h,v 1.4 2018/07/31 13:36:31 rjs Exp $ */
3 
4 #ifndef __SCTP_UIO_H__
5 #define __SCTP_UIO_H__
6 
7 /*
8  * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *      This product includes software developed by Cisco Systems, Inc.
22  * 4. Neither the name of the project nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL CISCO SYSTEMS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  */
38 
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 
42 typedef u_int32_t sctp_assoc_t;
43 
44 #define SCTP_FUTURE_ASSOC	0
45 #define SCTP_CURRENT_ASSOC	1
46 #define SCTP_ALL_ASSOC		2
47 
48 /* On/Off setup for subscription to events */
49 struct sctp_event_subscribe {
50 	u_int8_t sctp_data_io_event;
51 	u_int8_t sctp_association_event;
52 	u_int8_t sctp_address_event;
53 	u_int8_t sctp_send_failure_event;
54 	u_int8_t sctp_peer_error_event;
55 	u_int8_t sctp_shutdown_event;
56 	u_int8_t sctp_partial_delivery_event;
57 	u_int8_t sctp_adaption_layer_event;
58 	u_int8_t sctp_stream_reset_events;
59 } __packed;
60 
61 /* ancillary data types */
62 #define SCTP_INIT	0x0001
63 #define SCTP_SNDRCV	0x0002
64 #define SCTP_EXTRCV	0x0003
65 #define SCTP_SNDINFO	0x0004
66 #define SCTP_RCVINFO	0x0005
67 #define SCTP_NXTINFO	0x0006
68 #define SCTP_PRINFO	0x0007
69 #define SCTP_AUTHINFO	0x0008
70 #define SCTP_DSTADDRV4	0x0009
71 #define SCTP_DSTADDRV6	0x000a
72 
73 struct sctp_event {
74 	sctp_assoc_t se_assoc_id;
75 	u_int16_t se_type;
76 	u_int8_t se_on;
77 } __packed;
78 
79 /*
80  * ancillary data structures
81  */
82 struct sctp_initmsg {
83 	u_int32_t sinit_num_ostreams;
84 	u_int32_t sinit_max_instreams;
85 	u_int16_t sinit_max_attempts;
86 	u_int16_t sinit_max_init_timeo;
87 } __packed;
88 
89 struct sctp_sndrcvinfo {
90 	u_int16_t sinfo_stream;
91 	u_int16_t sinfo_ssn;
92 	u_int16_t sinfo_flags;
93 	u_int32_t sinfo_ppid;
94 	u_int32_t sinfo_context;
95 	u_int32_t sinfo_timetolive;
96 	u_int32_t sinfo_tsn;
97 	u_int32_t sinfo_cumtsn;
98 	sctp_assoc_t sinfo_assoc_id;
99 } __packed;
100 
101 struct sctp_sndinfo {
102 	u_int16_t snd_sid;
103 	u_int16_t snd_flags;
104 	u_int32_t snd_ppid;
105 	u_int32_t snd_context;
106 	sctp_assoc_t snd_assoc_id;
107 } __packed;
108 
109 struct sctp_rcvinfo {
110 	u_int16_t rcv_sid;
111 	u_int16_t rcv_ssn;
112 	u_int16_t rcv_flags;
113 	u_int32_t rcv_ppid;
114 	u_int32_t rcv_tsn;
115 	u_int32_t rcv_cumtsn;
116 	u_int32_t rcv_context;
117 	sctp_assoc_t rcv_assoc_id;
118 };
119 
120 struct sctp_nxtinfo {
121 	u_int16_t nxt_sid;
122 	u_int16_t nxt_flags;
123 	u_int32_t nxt_ppid;
124 	u_int32_t nxt_length;
125 	sctp_assoc_t nxt_assoc_id;
126 } __packed;
127 
128 struct sctp_prinfo {
129 	u_int16_t pr_policy;
130 	u_int32_t pr_value;
131 };
132 
133 struct sctp_authinfo {
134 	u_int16_t auth_keynumber;
135 } __packed;
136 
137 struct sctp_snd_all_completes {
138 	u_int16_t sall_stream;
139 	u_int16_t sall_flags;
140 	u_int32_t sall_ppid;
141 	u_int32_t sall_context;
142 	u_int32_t sall_num_sent;
143 	u_int32_t sall_num_failed;
144 } __packed;
145 
146 /* send/recv flags */
147 #define SCTP_SENDALL     	0x0200
148 #define SCTP_PR_SCTP_TTL	0x0400	/* Partial Reliable on this msg */
149 #define SCTP_PR_SCTP_BUF	0x0800	/* Buffer based PR-SCTP */
150 #define SCTP_EOF 		0x1000	/* Start shutdown procedures */
151 #define SCTP_UNORDERED 		0x2000	/* Message is un-ordered */
152 #define SCTP_ADDR_OVER		0x4000	/* Override the primary-address */
153 #define SCTP_ABORT		0x8000	/* Send an ABORT to peer */
154 
155 /* Stat's */
156 struct sctp_pcbinfo {
157 	u_int32_t ep_count;
158 	u_int32_t asoc_count;
159 	u_int32_t laddr_count;
160 	u_int32_t raddr_count;
161 	u_int32_t chk_count;
162 	u_int32_t sockq_count;
163 	u_int32_t mbuf_track;
164 } __packed;
165 
166 struct sctp_sockstat {
167 	sctp_assoc_t ss_assoc_id;
168 	u_int32_t ss_total_sndbuf;
169 	u_int32_t ss_total_mbuf_sndbuf;
170 	u_int32_t ss_total_recv_buf;
171 } __packed;
172 
173 /*
174  * notification event structures
175  */
176 
177 
178 /* association change events */
179 
180 struct sctp_assoc_change {
181 	u_int16_t sac_type;
182 	u_int16_t sac_flags;
183 	u_int32_t sac_length;
184 	u_int16_t sac_state;
185 	u_int16_t sac_error;
186 	u_int16_t sac_outbound_streams;
187 	u_int16_t sac_inbound_streams;
188 	sctp_assoc_t sac_assoc_id;
189 	u_int8_t sac_info[0];
190 } __packed;
191 /* sac_state values */
192 
193 #define SCTP_COMM_UP		0x0001
194 #define SCTP_COMM_LOST		0x0002
195 #define SCTP_RESTART		0x0003
196 #define SCTP_SHUTDOWN_COMP	0x0004
197 #define SCTP_CANT_STR_ASSOC	0x0005
198 
199 /* sac_info values */
200 #define SCTP_ASSOC_SUPPORTS_PR		0x0001
201 #define SCTP_ASSOC_SUPPORTS_AUTH	0x0002
202 #define SCTP_ASSOC_SUPPORTS_ASCONF	0x0003
203 #define SCTP_ASSOC_SUPPORTS_MULTIBUF	0x0004
204 
205 /* Address events */
206 struct sctp_paddr_change {
207 	u_int16_t spc_type;
208 	u_int16_t spc_flags;
209 	u_int32_t spc_length;
210 	struct sockaddr_storage spc_aaddr;
211 	u_int32_t spc_state;
212 	u_int32_t spc_error;
213 	sctp_assoc_t spc_assoc_id;
214 } __packed;
215 /* paddr state values */
216 #define SCTP_ADDR_AVAILABLE	0x0001
217 #define SCTP_ADDR_UNREACHABLE	0x0002
218 #define SCTP_ADDR_REMOVED	0x0003
219 #define SCTP_ADDR_ADDED		0x0004
220 #define SCTP_ADDR_MADE_PRIM	0x0005
221 #define SCTP_ADDR_CONFIRMED	0x0006 /* XXX */
222 
223 /*
224  * CAUTION: these are user exposed SCTP addr reachability states
225  *          must be compatible with SCTP_ADDR states in sctp_constants.h
226  */
227 #ifdef SCTP_ACTIVE
228 #undef SCTP_ACTIVE
229 #endif
230 #define SCTP_ACTIVE		0x0001	/* SCTP_ADDR_REACHABLE */
231 
232 #ifdef SCTP_INACTIVE
233 #undef SCTP_INACTIVE
234 #endif
235 #define SCTP_INACTIVE		0x0002	/* SCTP_ADDR_NOT_REACHABLE */
236 
237 
238 #ifdef SCTP_UNCONFIRMED
239 #undef SCTP_UNCONFIRMED
240 #endif
241 #define SCTP_UNCONFIRMED	0x0200  /* SCTP_ADDR_UNCONFIRMED */
242 
243 #ifdef SCTP_NOHEARTBEAT
244 #undef SCTP_NOHEARTBEAT
245 #endif
246 #define SCTP_NOHEARTBEAT        0x0040 /* SCTP_ADDR_NOHB */
247 
248 
249 /* remote error events */
250 struct sctp_remote_error {
251 	u_int16_t sre_type;
252 	u_int16_t sre_flags;
253 	u_int32_t sre_length;
254 	u_int16_t sre_error;
255 	sctp_assoc_t sre_assoc_id;
256 	u_int8_t  sre_data[4];
257 } __packed;
258 
259 /* data send failure event */
260 struct sctp_send_failed {
261 	u_int16_t ssf_type;
262 	u_int16_t ssf_flags;
263 	u_int32_t ssf_length;
264 	u_int32_t ssf_error;
265 	struct sctp_sndrcvinfo ssf_info;
266 	sctp_assoc_t ssf_assoc_id;
267 	u_int8_t ssf_data[4];
268 } __packed;
269 
270 /* flag that indicates state of data */
271 #define SCTP_DATA_UNSENT	0x0001	/* inqueue never on wire */
272 #define SCTP_DATA_SENT		0x0002	/* on wire at failure */
273 
274 /* shutdown event */
275 struct sctp_shutdown_event {
276 	u_int16_t	sse_type;
277 	u_int16_t	sse_flags;
278 	u_int32_t	sse_length;
279 	sctp_assoc_t	sse_assoc_id;
280 } __packed;
281 
282 /* Adaption layer indication stuff */
283 struct sctp_adaption_event {
284 	u_int16_t	sai_type;
285 	u_int16_t	sai_flags;
286 	u_int32_t	sai_length;
287 	u_int32_t	sai_adaption_ind;
288 	sctp_assoc_t	sai_assoc_id;
289 } __packed;
290 
291 struct sctp_setadaption {
292 	u_int32_t	ssb_adaption_ind;
293 } __packed;
294 
295 /* pdapi indications */
296 struct sctp_pdapi_event {
297 	u_int16_t	pdapi_type;
298 	u_int16_t	pdapi_flags;
299 	u_int32_t	pdapi_length;
300 	u_int32_t	pdapi_indication;
301 	u_int32_t	pdapi_stream;
302 	u_int32_t	pdapi_seq;
303 	sctp_assoc_t	pdapi_assoc_id;
304 } __packed;
305 
306 
307 #define SCTP_PARTIAL_DELIVERY_ABORTED	0x0001
308 
309 /* sender dry indications */
310 struct sctp_sender_dry_event {
311 	u_int16_t sender_dry_type;
312 	u_int16_t sender_dry_flags;
313 	u_int32_t sender_dry_length;
314 	sctp_assoc_t sender_dry_assoc_id;
315 } __packed;
316 
317 /* stream reset stuff */
318 
319 struct sctp_stream_reset_event {
320 	u_int16_t	strreset_type;
321 	u_int16_t	strreset_flags;
322 	u_int32_t	strreset_length;
323 	sctp_assoc_t    strreset_assoc_id;
324 	u_int16_t       strreset_list[0];
325 } __packed;
326 
327 /* flags in strreset_flags filed */
328 #define SCTP_STRRESET_INBOUND_STR  0x0001
329 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
330 #define SCTP_STRRESET_ALL_STREAMS  0x0004
331 #define SCTP_STRRESET_STREAM_LIST  0x0008
332 
333 #define MAX_ASOC_IDS_RET 255
334 
335 struct sctp_assoc_ids {
336 	u_int16_t asls_assoc_start;	/* array of index's start at 0 */
337 	u_int8_t asls_numb_present;
338 	u_int8_t asls_more_to_get;
339 	sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET];
340 } __packed;
341 
342 /* notification types */
343 #define SCTP_ASSOC_CHANGE		0x0001
344 #define SCTP_PEER_ADDR_CHANGE		0x0002
345 #define SCTP_REMOTE_ERROR		0x0003
346 #define SCTP_SEND_FAILED		0x0004
347 #define SCTP_SHUTDOWN_EVENT		0x0005
348 #define SCTP_ADAPTION_INDICATION	0x0006
349 #define SCTP_PARTIAL_DELIVERY_EVENT	0x0007
350 #define SCTP_STREAM_RESET_EVENT         0x0008 /* XXX */
351 #define SCTP_AUTHENTICATION_EVENT	0x0009
352 #define SCT_SENDER_DRY_EVENT		0x000a
353 
354 struct sctp_tlv {
355 	u_int16_t sn_type;
356 	u_int16_t sn_flags;
357 	u_int32_t sn_length;
358 } __packed;
359 
360 
361 /* notification event */
362 union sctp_notification {
363 	struct sctp_tlv sn_header;
364 	struct sctp_assoc_change sn_assoc_change;
365 	struct sctp_paddr_change sn_paddr_change;
366 	struct sctp_remote_error sn_remote_error;
367 	struct sctp_send_failed	sn_send_failed;
368 	struct sctp_shutdown_event sn_shutdown_event;
369 	struct sctp_adaption_event sn_adaption_event;
370 	struct sctp_pdapi_event sn_pdapi_event;
371 	struct sctp_stream_reset_event sn_strreset_event;
372 } __packed;
373 
374 /*
375  * socket option structs
376  */
377 #define SCTP_ISSUE_HB 0xffffffff	/* get a on-demand hb */
378 #define SCTP_NO_HB    0x0		/* turn off hb's */
379 
380 struct sctp_paddrparams {
381 	sctp_assoc_t spp_assoc_id;
382 	struct sockaddr_storage spp_address;
383 	u_int32_t spp_hbinterval;
384 	u_int16_t spp_pathmaxrxt;
385 	u_int32_t spp_pathmtu;
386 	u_int32_t spp_flags;
387 	u_int32_t spp_ipv6_flowlabel;
388 	u_int8_t spp_dscp;
389 } __packed;
390 
391 #define SPP_HB_ENABLE		0x0001
392 #define SPP_HB_DISABLE		0x0002
393 #define SPP_HB_DEMAND		0x0004
394 #define SPP_HB_TIME_IS_ZERO	0x0008
395 #define SPP_PMTUD_ENABLE	0x0010
396 #define SPP_PMTUD_DISABLE	0x0020
397 #define SPP_IPV6_FLOWLABEL	0x0040
398 #define SPP_DSCP		0x0080
399 
400 struct sctp_paddrinfo {
401 	sctp_assoc_t spinfo_assoc_id;
402 	struct sockaddr_storage spinfo_address;
403 	int32_t spinfo_state;
404 	u_int32_t spinfo_cwnd;
405 	u_int32_t spinfo_srtt;
406 	u_int32_t spinfo_rto;
407 	u_int32_t spinfo_mtu;
408 } __packed;
409 
410 struct sctp_rtoinfo {
411 	sctp_assoc_t srto_assoc_id;
412 	u_int32_t srto_initial;
413 	u_int32_t srto_max;
414 	u_int32_t srto_min;
415 } __packed;
416 
417 struct sctp_assocparams {
418 	sctp_assoc_t sasoc_assoc_id;
419 	u_int16_t sasoc_asocmaxrxt;
420         u_int16_t sasoc_number_peer_destinations;
421         u_int32_t sasoc_peer_rwnd;
422         u_int32_t sasoc_local_rwnd;
423         u_int32_t sasoc_cookie_life;
424 } __packed;
425 
426 struct sctp_setprim {
427 	sctp_assoc_t ssp_assoc_id;
428 	struct sockaddr_storage ssp_addr;
429 } __packed;
430 
431 struct sctp_setpeerprim {
432 	sctp_assoc_t sspp_assoc_id;
433 	struct sockaddr_storage sspp_addr;
434 } __packed;
435 
436 struct sctp_getaddresses {
437 	sctp_assoc_t sget_assoc_id;
438 	/* addr is filled in for N * sockaddr_storage */
439 	struct sockaddr addr[1];
440 } __packed;
441 
442 struct sctp_setstrm_timeout {
443 	sctp_assoc_t ssto_assoc_id;
444 	u_int32_t ssto_timeout;
445 	u_int32_t ssto_streamid_start;
446 	u_int32_t ssto_streamid_end;
447 } __packed;
448 
449 struct sctp_status {
450 	sctp_assoc_t sstat_assoc_id;
451 	int32_t sstat_state;
452 	u_int32_t sstat_rwnd;
453 	u_int16_t sstat_unackdata;
454 	u_int16_t sstat_penddata;
455         u_int16_t sstat_instrms;
456         u_int16_t sstat_outstrms;
457         u_int32_t sstat_fragmentation_point;
458 	struct sctp_paddrinfo sstat_primary;
459 } __packed;
460 
461 struct sctp_cwnd_args {
462 	struct sctp_nets *net;		/* network to */
463 	u_int32_t cwnd_new_value;	/* cwnd in k */
464 	u_int32_t inflight;		/* flightsize in k */
465 	int cwnd_augment;		/* increment to it */
466 } __packed;
467 
468 struct sctp_blk_args {
469 	u_int32_t onmb;			/* in 1k bytes */
470 	u_int32_t onsb;			/* in 1k bytes */
471 	u_int16_t maxmb;		/* in 1k bytes */
472 	u_int16_t maxsb;		/* in 1k bytes */
473 	u_int16_t send_sent_qcnt;	/* chnk cnt */
474 	u_int16_t stream_qcnt;		/* chnk cnt */
475 } __packed;
476 
477 /*
478  * Max we can reset in one setting, note this is dictated not by the
479  * define but the size of a mbuf cluster so don't change this define
480  * and think you can specify more. You must do multiple resets if you
481  * want to reset more than SCTP_MAX_EXPLICIT_STR_RESET.
482  */
483 #define SCTP_MAX_EXPLICT_STR_RESET   1000
484 
485 #define SCTP_RESET_LOCAL_RECV  0x0001
486 #define SCTP_RESET_LOCAL_SEND  0x0002
487 #define SCTP_RESET_BOTH        0x0003
488 
489 struct sctp_stream_reset {
490 	sctp_assoc_t strrst_assoc_id;
491 	u_int16_t    strrst_flags;
492 	u_int16_t    strrst_num_streams;	/* 0 == ALL */
493 	u_int16_t    strrst_list[0];		/* list if strrst_num_streams is not 0*/
494 } __packed;
495 
496 
497 struct sctp_get_nonce_values {
498 	sctp_assoc_t gn_assoc_id;
499 	u_int32_t    gn_peers_tag;
500 	u_int32_t    gn_local_tag;
501 } __packed;
502 
503 /* Debugging logs */
504 struct sctp_str_log{
505 	u_int32_t n_tsn;
506 	u_int32_t e_tsn;
507 	u_int16_t n_sseq;
508 	u_int16_t e_sseq;
509 } __packed;
510 
511 struct sctp_fr_log {
512 	u_int32_t largest_tsn;
513 	u_int32_t largest_new_tsn;
514 	u_int32_t tsn;
515 } __packed;
516 
517 struct sctp_fr_map {
518 	u_int32_t base;
519 	u_int32_t cum;
520 	u_int32_t high;
521 } __packed;
522 
523 struct sctp_rwnd_log {
524 	u_int32_t rwnd;
525 	u_int32_t send_size;
526 	u_int32_t overhead;
527 	u_int32_t new_rwnd;
528 } __packed;
529 
530 struct sctp_mbcnt_log {
531 	u_int32_t total_queue_size;
532 	u_int32_t size_change;
533 	u_int32_t total_queue_mb_size;
534 	u_int32_t mbcnt_change;
535 } __packed;
536 
537 struct sctp_cwnd_log {
538 	union {
539 		struct sctp_blk_args blk;
540 		struct sctp_cwnd_args cwnd;
541 		struct sctp_str_log strlog;
542 		struct sctp_fr_log fr;
543 		struct sctp_fr_map map;
544 		struct sctp_rwnd_log rwnd;
545 		struct sctp_mbcnt_log mbcnt;
546 	}x;
547 	u_int8_t from;
548 	u_int8_t event_type;
549 
550 } __packed;
551 
552 struct sctp_cwnd_log_req {
553 	int num_in_log;     /* Number in log */
554 	int num_ret;        /* Number returned */
555 	int start_at;       /* start at this one */
556 	int end_at;         /* end at this one */
557 	struct sctp_cwnd_log log[0];
558 } __packed;
559 
560 struct sctp_sendv_spa {
561 	u_int32_t sendv_flags;
562 	struct sctp_sndinfo sendv_sndinfo;
563 	struct sctp_prinfo sendv_prinfo;
564 	struct sctp_authinfo sendv_authinfo;
565 } __packed;
566 
567 #define SCTP_SEND_SNDINFO_VALID		0x00000001
568 #define SCTP_SEND_PRINFO_VALID		0x00000002
569 #define SCTP_SEND_AUTHINFO_VALID	0x00000004
570 
571 #define SCTP_SENDV_NOINFO	0x0000
572 #define SCTP_SENDV_SNDINFO	0x0001
573 #define SCTP_SENDV_PRINFO	0x0002
574 #define SCTP_SENDV_AUTHINFO	0x0003
575 #define SCTP_SENDV_SPA		0x0004
576 
577 struct sctp_recvv_rn {
578 	struct sctp_rcvinfo recvv_rcvinfo;
579 	struct sctp_nxtinfo recvv_nxtinfo;
580 } __packed;
581 
582 #define SCTP_RECVV_NOINFO	0x0000
583 #define SCTP_RECVV_RCVINFO	0x0001
584 #define SCTP_RECVV_NXTINFO	0x0002
585 #define SCTP_RECVV_RN		0x0003
586 
587 struct sctp_connectx_addrs {
588 	int cx_num;
589 	int cx_len;
590 	void *cx_addrs;
591 } __packed;
592 
593 #define SIOCCONNECTX	_IOWR('s', 11, struct sctp_connectx_addrs)
594 #define SIOCCONNECTXDEL	_IOWR('s', 12, struct sctp_connectx_addrs)
595 
596 /*
597  * API system calls
598  */
599 #if !defined(_KERNEL)
600 
601 __BEGIN_DECLS
602 int sctp_peeloff(int, sctp_assoc_t);
603 int	sctp_bindx(int, struct sockaddr *, int, int);
604 int     sctp_connectx(int, struct sockaddr *, int, sctp_assoc_t *);
605 int	sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
606 void	sctp_freepaddrs(struct sockaddr *);
607 int	sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
608 void	sctp_freeladdrs(struct sockaddr *);
609 int     sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
610 
611 ssize_t sctp_sendmsg(int, const void *, size_t,
612 	const struct sockaddr *,
613 	socklen_t, u_int32_t, u_int32_t, u_int16_t, u_int32_t, u_int32_t);
614 
615 ssize_t sctp_send(int, const void *, size_t,
616 	const struct sctp_sndrcvinfo *, int);
617 
618 ssize_t
619 sctp_sendx(int, const void *, size_t, struct sockaddr *, int,
620 		struct sctp_sndrcvinfo *, int);
621 ssize_t
622 sctp_sendmsgx(int sd, const void *, size_t,
623 	      struct sockaddr *, int,
624 	      u_int32_t, u_int32_t, u_int16_t, u_int32_t, u_int32_t);
625 ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, int,
626                       void *, socklen_t, unsigned int, int);
627 
628 sctp_assoc_t
629 sctp_getassocid(int sd, struct sockaddr *sa);
630 
631 ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *,
632         socklen_t *, struct sctp_sndrcvinfo *, int *);
633 ssize_t sctp_recvv(int, const struct iovec *, int, struct sockaddr *,
634                       socklen_t *, void *, socklen_t *, unsigned int *,
635                       int *);
636 
637 __END_DECLS
638 
639 #endif /* !_KERNEL */
640 #endif /* !__SCTP_UIO_H__ */
641