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
42typedef 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 */
49struct 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
73struct 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 */
82struct 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
89struct 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
101struct 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
109struct 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
120struct 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
128struct sctp_prinfo {
129 u_int16_t pr_policy;
130 u_int32_t pr_value;
131};
132
133struct sctp_authinfo {
134 u_int16_t auth_keynumber;
135} __packed;
136
137struct 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 */
156struct 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
166struct 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
180struct 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 */
206struct 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 */
250struct 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 */
260struct 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 */
275struct 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 */
283struct 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
291struct sctp_setadaption {
292 u_int32_t ssb_adaption_ind;
293} __packed;
294
295/* pdapi indications */
296struct 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 */
310struct 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
319struct 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
335struct 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
354struct 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 */
362union 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
380struct 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
400struct 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
410struct 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
417struct 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
426struct sctp_setprim {
427 sctp_assoc_t ssp_assoc_id;
428 struct sockaddr_storage ssp_addr;
429} __packed;
430
431struct sctp_setpeerprim {
432 sctp_assoc_t sspp_assoc_id;
433 struct sockaddr_storage sspp_addr;
434} __packed;
435
436struct 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
442struct 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
449struct 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
461struct 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
468struct 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
489struct 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
497struct 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 */
504struct 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
511struct sctp_fr_log {
512 u_int32_t largest_tsn;
513 u_int32_t largest_new_tsn;
514 u_int32_t tsn;
515} __packed;
516
517struct sctp_fr_map {
518 u_int32_t base;
519 u_int32_t cum;
520 u_int32_t high;
521} __packed;
522
523struct 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
530struct 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
537struct 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
552struct 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
560struct 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
577struct 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
587struct 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
602int sctp_peeloff(int, sctp_assoc_t);
603int sctp_bindx(int, struct sockaddr *, int, int);
604int sctp_connectx(int, struct sockaddr *, int, sctp_assoc_t *);
605int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
606void sctp_freepaddrs(struct sockaddr *);
607int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
608void sctp_freeladdrs(struct sockaddr *);
609int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
610
611ssize_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
615ssize_t sctp_send(int, const void *, size_t,
616 const struct sctp_sndrcvinfo *, int);
617
618ssize_t
619sctp_sendx(int, const void *, size_t, struct sockaddr *, int,
620 struct sctp_sndrcvinfo *, int);
621ssize_t
622sctp_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);
625ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, int,
626 void *, socklen_t, unsigned int, int);
627
628sctp_assoc_t
629sctp_getassocid(int sd, struct sockaddr *sa);
630
631ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *,
632 socklen_t *, struct sctp_sndrcvinfo *, int *);
633ssize_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