1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
5 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
6 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
11 * a) Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 *
14 * b) Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the distribution.
17 *
18 * c) Neither the name of Cisco Systems, Inc. nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#ifndef _NETINET_SCTP_UIO_H_
36#define _NETINET_SCTP_UIO_H_
37
38#if !defined(_KERNEL)
39#include <stdint.h>
40#endif
41#include <sys/types.h>
42#include <sys/socket.h>
43#include <netinet/in.h>
44
45typedef uint32_t sctp_assoc_t;
46
47#define SCTP_FUTURE_ASSOC 0
48#define SCTP_CURRENT_ASSOC 1
49#define SCTP_ALL_ASSOC 2
50
51struct sctp_event {
52 sctp_assoc_t se_assoc_id;
53 uint16_t se_type;
54 uint8_t se_on;
55};
56
57/* Compatibility to previous define's */
58#define sctp_stream_reset_events sctp_stream_reset_event
59
60/* On/Off setup for subscription to events */
61struct sctp_event_subscribe {
62 uint8_t sctp_data_io_event;
63 uint8_t sctp_association_event;
64 uint8_t sctp_address_event;
65 uint8_t sctp_send_failure_event;
66 uint8_t sctp_peer_error_event;
67 uint8_t sctp_shutdown_event;
68 uint8_t sctp_partial_delivery_event;
69 uint8_t sctp_adaptation_layer_event;
70 uint8_t sctp_authentication_event;
71 uint8_t sctp_sender_dry_event;
72 uint8_t sctp_stream_reset_event;
73};
74
75/* ancillary data types */
76#define SCTP_INIT 0x0001
77#define SCTP_SNDRCV 0x0002
78#define SCTP_EXTRCV 0x0003
79#define SCTP_SNDINFO 0x0004
80#define SCTP_RCVINFO 0x0005
81#define SCTP_NXTINFO 0x0006
82#define SCTP_PRINFO 0x0007
83#define SCTP_AUTHINFO 0x0008
84#define SCTP_DSTADDRV4 0x0009
85#define SCTP_DSTADDRV6 0x000a
86
87/*
88 * ancillary data structures
89 */
90struct sctp_initmsg {
91 uint16_t sinit_num_ostreams;
92 uint16_t sinit_max_instreams;
93 uint16_t sinit_max_attempts;
94 uint16_t sinit_max_init_timeo;
95};
96
97/* We add 96 bytes to the size of sctp_sndrcvinfo.
98 * This makes the current structure 128 bytes long
99 * which is nicely 64 bit aligned but also has room
100 * for us to add more and keep ABI compatibility.
101 * For example, already we have the sctp_extrcvinfo
102 * when enabled which is 48 bytes.
103 */
104
105/*
106 * The assoc up needs a verfid
107 * all sendrcvinfo's need a verfid for SENDING only.
108 */
109
110#define SCTP_ALIGN_RESV_PAD 92
111#define SCTP_ALIGN_RESV_PAD_SHORT 76
112
113struct sctp_sndrcvinfo {
114 uint16_t sinfo_stream;
115 uint16_t sinfo_ssn;
116 uint16_t sinfo_flags;
117 uint32_t sinfo_ppid;
118 uint32_t sinfo_context;
119 uint32_t sinfo_timetolive;
120 uint32_t sinfo_tsn;
121 uint32_t sinfo_cumtsn;
122 sctp_assoc_t sinfo_assoc_id;
123 uint16_t sinfo_keynumber;
124 uint16_t sinfo_keynumber_valid;
125 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
126};
127
128struct sctp_extrcvinfo {
129 uint16_t sinfo_stream;
130 uint16_t sinfo_ssn;
131 uint16_t sinfo_flags;
132 uint32_t sinfo_ppid;
133 uint32_t sinfo_context;
134 uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */
135 uint32_t sinfo_tsn;
136 uint32_t sinfo_cumtsn;
137 sctp_assoc_t sinfo_assoc_id;
138 uint16_t serinfo_next_flags;
139 uint16_t serinfo_next_stream;
140 uint32_t serinfo_next_aid;
141 uint32_t serinfo_next_length;
142 uint32_t serinfo_next_ppid;
143 uint16_t sinfo_keynumber;
144 uint16_t sinfo_keynumber_valid;
145 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
146};
147#define sinfo_pr_value sinfo_timetolive
148#define sreinfo_next_flags serinfo_next_flags
149#define sreinfo_next_stream serinfo_next_stream
150#define sreinfo_next_aid serinfo_next_aid
151#define sreinfo_next_length serinfo_next_length
152#define sreinfo_next_ppid serinfo_next_ppid
153
154struct sctp_sndinfo {
155 uint16_t snd_sid;
156 uint16_t snd_flags;
157 uint32_t snd_ppid;
158 uint32_t snd_context;
159 sctp_assoc_t snd_assoc_id;
160};
161
162struct sctp_prinfo {
163 uint16_t pr_policy;
164 uint32_t pr_value;
165};
166
167struct sctp_default_prinfo {
168 uint16_t pr_policy;
169 uint32_t pr_value;
170 sctp_assoc_t pr_assoc_id;
171};
172
173struct sctp_authinfo {
174 uint16_t auth_keynumber;
175};
176
177struct sctp_rcvinfo {
178 uint16_t rcv_sid;
179 uint16_t rcv_ssn;
180 uint16_t rcv_flags;
181 uint32_t rcv_ppid;
182 uint32_t rcv_tsn;
183 uint32_t rcv_cumtsn;
184 uint32_t rcv_context;
185 sctp_assoc_t rcv_assoc_id;
186};
187
188struct sctp_nxtinfo {
189 uint16_t nxt_sid;
190 uint16_t nxt_flags;
191 uint32_t nxt_ppid;
192 uint32_t nxt_length;
193 sctp_assoc_t nxt_assoc_id;
194};
195
196#define SCTP_NO_NEXT_MSG 0x0000
197#define SCTP_NEXT_MSG_AVAIL 0x0001
198#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
199#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
200#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
201
202struct sctp_recvv_rn {
203 struct sctp_rcvinfo recvv_rcvinfo;
204 struct sctp_nxtinfo recvv_nxtinfo;
205};
206
207#define SCTP_RECVV_NOINFO 0
208#define SCTP_RECVV_RCVINFO 1
209#define SCTP_RECVV_NXTINFO 2
210#define SCTP_RECVV_RN 3
211
212#define SCTP_SENDV_NOINFO 0
213#define SCTP_SENDV_SNDINFO 1
214#define SCTP_SENDV_PRINFO 2
215#define SCTP_SENDV_AUTHINFO 3
216#define SCTP_SENDV_SPA 4
217
218struct sctp_sendv_spa {
219 uint32_t sendv_flags;
220 struct sctp_sndinfo sendv_sndinfo;
221 struct sctp_prinfo sendv_prinfo;
222 struct sctp_authinfo sendv_authinfo;
223};
224
225#define SCTP_SEND_SNDINFO_VALID 0x00000001
226#define SCTP_SEND_PRINFO_VALID 0x00000002
227#define SCTP_SEND_AUTHINFO_VALID 0x00000004
228
229struct sctp_snd_all_completes {
230 uint16_t sall_stream;
231 uint16_t sall_flags;
232 uint32_t sall_ppid;
233 uint32_t sall_context;
234 uint32_t sall_num_sent;
235 uint32_t sall_num_failed;
236};
237
238/* Flags that go into the sinfo->sinfo_flags field */
239#define SCTP_NOTIFICATION 0x0010 /* next message is a notification */
240#define SCTP_COMPLETE 0x0020 /* next message is complete */
241#define SCTP_EOF 0x0100 /* Start shutdown procedures */
242#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */
243#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */
244#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */
245#define SCTP_SENDALL 0x1000 /* Send this on all associations */
246#define SCTP_EOR 0x2000 /* end of message signal */
247#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
248
249#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \
250 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
251 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
252 SCTP_SACK_IMMEDIATELY)) != 0)
253/* for the endpoint */
254
255/* The lower four bits is an enumeration of PR-SCTP policies */
256#define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */
257#define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */
258#define SCTP_PR_SCTP_PRIO 0x0002 /* Buffer based PR-SCTP */
259#define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */
260#define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based
261 * PR-SCTP */
262#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX
263#define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */
264
265#define PR_SCTP_POLICY(x) ((x) & 0x0f)
266#define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \
267 (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL))
268#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
269#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
270#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
271#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX)
272#define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX)
273
274/* Stat's */
275struct sctp_pcbinfo {
276 uint32_t ep_count;
277 uint32_t asoc_count;
278 uint32_t laddr_count;
279 uint32_t raddr_count;
280 uint32_t chk_count;
281 uint32_t readq_count;
282 uint32_t free_chunks;
283 uint32_t stream_oque;
284};
285
286struct sctp_sockstat {
287 sctp_assoc_t ss_assoc_id;
288 uint32_t ss_total_sndbuf;
289 uint32_t ss_total_recv_buf;
290};
291
292/*
293 * notification event structures
294 */
295
296/*
297 * association change event
298 */
299struct sctp_assoc_change {
300 uint16_t sac_type;
301 uint16_t sac_flags;
302 uint32_t sac_length;
303 uint16_t sac_state;
304 uint16_t sac_error;
305 uint16_t sac_outbound_streams;
306 uint16_t sac_inbound_streams;
307 sctp_assoc_t sac_assoc_id;
308 uint8_t sac_info[];
309};
310
311/* sac_state values */
312#define SCTP_COMM_UP 0x0001
313#define SCTP_COMM_LOST 0x0002
314#define SCTP_RESTART 0x0003
315#define SCTP_SHUTDOWN_COMP 0x0004
316#define SCTP_CANT_STR_ASSOC 0x0005
317
318/* sac_info values */
319#define SCTP_ASSOC_SUPPORTS_PR 0x01
320#define SCTP_ASSOC_SUPPORTS_AUTH 0x02
321#define SCTP_ASSOC_SUPPORTS_ASCONF 0x03
322#define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04
323#define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05
324#define SCTP_ASSOC_SUPPORTS_INTERLEAVING 0x06
325#define SCTP_ASSOC_SUPPORTS_MAX 0x06
326/*
327 * Address event
328 */
329struct sctp_paddr_change {
330 uint16_t spc_type;
331 uint16_t spc_flags;
332 uint32_t spc_length;
333 struct sockaddr_storage spc_aaddr;
334 uint32_t spc_state;
335 uint32_t spc_error;
336 sctp_assoc_t spc_assoc_id;
337};
338
339/* paddr state values */
340#define SCTP_ADDR_AVAILABLE 0x0001
341#define SCTP_ADDR_UNREACHABLE 0x0002
342#define SCTP_ADDR_REMOVED 0x0003
343#define SCTP_ADDR_ADDED 0x0004
344#define SCTP_ADDR_MADE_PRIM 0x0005
345#define SCTP_ADDR_CONFIRMED 0x0006
346
347#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
348#define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor
349 * SCTP_ADDR_UNCONFIRMED */
350#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
351
352/* remote error events */
353struct sctp_remote_error {
354 uint16_t sre_type;
355 uint16_t sre_flags;
356 uint32_t sre_length;
357 uint16_t sre_error;
358 sctp_assoc_t sre_assoc_id;
359 uint8_t sre_data[];
360};
361
362/* data send failure event (deprecated) */
363struct sctp_send_failed {
364 uint16_t ssf_type;
365 uint16_t ssf_flags;
366 uint32_t ssf_length;
367 uint32_t ssf_error;
368 struct sctp_sndrcvinfo ssf_info;
369 sctp_assoc_t ssf_assoc_id;
370 uint8_t ssf_data[];
371};
372
373/* data send failure event (not deprecated) */
374struct sctp_send_failed_event {
375 uint16_t ssfe_type;
376 uint16_t ssfe_flags;
377 uint32_t ssfe_length;
378 uint32_t ssfe_error;
379 struct sctp_sndinfo ssfe_info;
380 sctp_assoc_t ssfe_assoc_id;
381 uint8_t ssfe_data[];
382};
383
384/* flag that indicates state of data */
385#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
386#define SCTP_DATA_SENT 0x0002 /* on wire at failure */
387
388/* shutdown event */
389struct sctp_shutdown_event {
390 uint16_t sse_type;
391 uint16_t sse_flags;
392 uint32_t sse_length;
393 sctp_assoc_t sse_assoc_id;
394};
395
396/* Adaptation layer indication stuff */
397struct sctp_adaptation_event {
398 uint16_t sai_type;
399 uint16_t sai_flags;
400 uint32_t sai_length;
401 uint32_t sai_adaptation_ind;
402 sctp_assoc_t sai_assoc_id;
403};
404
405struct sctp_setadaptation {
406 uint32_t ssb_adaptation_ind;
407};
408
409/* compatible old spelling */
410struct sctp_adaption_event {
411 uint16_t sai_type;
412 uint16_t sai_flags;
413 uint32_t sai_length;
414 uint32_t sai_adaption_ind;
415 sctp_assoc_t sai_assoc_id;
416};
417
418struct sctp_setadaption {
419 uint32_t ssb_adaption_ind;
420};
421
422/*
423 * Partial Delivery API event
424 */
425struct sctp_pdapi_event {
426 uint16_t pdapi_type;
427 uint16_t pdapi_flags;
428 uint32_t pdapi_length;
429 uint32_t pdapi_indication;
430 uint16_t pdapi_stream;
431 uint16_t pdapi_seq;
432 sctp_assoc_t pdapi_assoc_id;
433};
434
435/* indication values */
436#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
437
438/*
439 * authentication key event
440 */
441struct sctp_authkey_event {
442 uint16_t auth_type;
443 uint16_t auth_flags;
444 uint32_t auth_length;
445 uint16_t auth_keynumber;
446 uint16_t auth_altkeynumber;
447 uint32_t auth_indication;
448 sctp_assoc_t auth_assoc_id;
449};
450
451/* indication values */
452#define SCTP_AUTH_NEW_KEY 0x0001
453#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY
454#define SCTP_AUTH_NO_AUTH 0x0002
455#define SCTP_AUTH_FREE_KEY 0x0003
456
457struct sctp_sender_dry_event {
458 uint16_t sender_dry_type;
459 uint16_t sender_dry_flags;
460 uint32_t sender_dry_length;
461 sctp_assoc_t sender_dry_assoc_id;
462};
463
464/*
465 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT
466 */
467struct sctp_stream_reset_event {
468 uint16_t strreset_type;
469 uint16_t strreset_flags;
470 uint32_t strreset_length;
471 sctp_assoc_t strreset_assoc_id;
472 uint16_t strreset_stream_list[];
473};
474
475/* flags in stream_reset_event (strreset_flags) */
476#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
477#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
478#define SCTP_STREAM_RESET_DENIED 0x0004
479#define SCTP_STREAM_RESET_FAILED 0x0008
480
481/*
482 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT
483 */
484struct sctp_assoc_reset_event {
485 uint16_t assocreset_type;
486 uint16_t assocreset_flags;
487 uint32_t assocreset_length;
488 sctp_assoc_t assocreset_assoc_id;
489 uint32_t assocreset_local_tsn;
490 uint32_t assocreset_remote_tsn;
491};
492
493#define SCTP_ASSOC_RESET_DENIED 0x0004
494#define SCTP_ASSOC_RESET_FAILED 0x0008
495
496/*
497 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT
498 */
499struct sctp_stream_change_event {
500 uint16_t strchange_type;
501 uint16_t strchange_flags;
502 uint32_t strchange_length;
503 sctp_assoc_t strchange_assoc_id;
504 uint16_t strchange_instrms;
505 uint16_t strchange_outstrms;
506};
507
508#define SCTP_STREAM_CHANGE_DENIED 0x0004
509#define SCTP_STREAM_CHANGE_FAILED 0x0008
510
511/* SCTP notification event */
512struct sctp_tlv {
513 uint16_t sn_type;
514 uint16_t sn_flags;
515 uint32_t sn_length;
516};
517
518union sctp_notification {
519 struct sctp_tlv sn_header;
520 struct sctp_assoc_change sn_assoc_change;
521 struct sctp_paddr_change sn_paddr_change;
522 struct sctp_remote_error sn_remote_error;
523 struct sctp_send_failed sn_send_failed;
524 struct sctp_shutdown_event sn_shutdown_event;
525 struct sctp_adaptation_event sn_adaptation_event;
526 /* compatibility same as above */
527 struct sctp_adaption_event sn_adaption_event;
528 struct sctp_pdapi_event sn_pdapi_event;
529 struct sctp_authkey_event sn_auth_event;
530 struct sctp_sender_dry_event sn_sender_dry_event;
531 struct sctp_send_failed_event sn_send_failed_event;
532 struct sctp_stream_reset_event sn_strreset_event;
533 struct sctp_assoc_reset_event sn_assocreset_event;
534 struct sctp_stream_change_event sn_strchange_event;
535};
536
537/* notification types */
538#define SCTP_ASSOC_CHANGE 0x0001
539#define SCTP_PEER_ADDR_CHANGE 0x0002
540#define SCTP_REMOTE_ERROR 0x0003
541#define SCTP_SEND_FAILED 0x0004
542#define SCTP_SHUTDOWN_EVENT 0x0005
543#define SCTP_ADAPTATION_INDICATION 0x0006
544/* same as above */
545#define SCTP_ADAPTION_INDICATION 0x0006
546#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
547#define SCTP_AUTHENTICATION_EVENT 0x0008
548#define SCTP_STREAM_RESET_EVENT 0x0009
549#define SCTP_SENDER_DRY_EVENT 0x000a
550#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */
551#define SCTP_ASSOC_RESET_EVENT 0x000c
552#define SCTP_STREAM_CHANGE_EVENT 0x000d
553#define SCTP_SEND_FAILED_EVENT 0x000e
554/*
555 * socket option structs
556 */
557
558struct sctp_paddrparams {
559 struct sockaddr_storage spp_address;
560 sctp_assoc_t spp_assoc_id;
561 uint32_t spp_hbinterval;
562 uint32_t spp_pathmtu;
563 uint32_t spp_flags;
564 uint32_t spp_ipv6_flowlabel;
565 uint16_t spp_pathmaxrxt;
566 uint8_t spp_dscp;
567};
568#define spp_ipv4_tos spp_dscp
569
570#define SPP_HB_ENABLE 0x00000001
571#define SPP_HB_DISABLE 0x00000002
572#define SPP_HB_DEMAND 0x00000004
573#define SPP_PMTUD_ENABLE 0x00000008
574#define SPP_PMTUD_DISABLE 0x00000010
575#define SPP_HB_TIME_IS_ZERO 0x00000080
576#define SPP_IPV6_FLOWLABEL 0x00000100
577#define SPP_DSCP 0x00000200
578#define SPP_IPV4_TOS SPP_DSCP
579
580struct sctp_paddrthlds {
581 struct sockaddr_storage spt_address;
582 sctp_assoc_t spt_assoc_id;
583 uint16_t spt_pathmaxrxt;
584 uint16_t spt_pathpfthld;
585 uint16_t spt_pathcpthld;
586};
587
588struct sctp_paddrinfo {
589 struct sockaddr_storage spinfo_address;
590 sctp_assoc_t spinfo_assoc_id;
591 int32_t spinfo_state;
592 uint32_t spinfo_cwnd;
593 uint32_t spinfo_srtt;
594 uint32_t spinfo_rto;
595 uint32_t spinfo_mtu;
596};
597
598struct sctp_rtoinfo {
599 sctp_assoc_t srto_assoc_id;
600 uint32_t srto_initial;
601 uint32_t srto_max;
602 uint32_t srto_min;
603};
604
605struct sctp_assocparams {
606 sctp_assoc_t sasoc_assoc_id;
607 uint32_t sasoc_peer_rwnd;
608 uint32_t sasoc_local_rwnd;
609 uint32_t sasoc_cookie_life;
610 uint16_t sasoc_asocmaxrxt;
611 uint16_t sasoc_number_peer_destinations;
612};
613
614struct sctp_setprim {
615 struct sockaddr_storage ssp_addr;
616 sctp_assoc_t ssp_assoc_id;
617 uint8_t ssp_padding[4];
618};
619
620struct sctp_setpeerprim {
621 struct sockaddr_storage sspp_addr;
622 sctp_assoc_t sspp_assoc_id;
623 uint8_t sspp_padding[4];
624};
625
626union sctp_sockstore {
627 struct sockaddr_in sin;
628 struct sockaddr_in6 sin6;
629 struct sockaddr sa;
630};
631
632struct sctp_getaddresses {
633 sctp_assoc_t sget_assoc_id;
634 union sctp_sockstore addr[];
635};
636
637struct sctp_status {
638 sctp_assoc_t sstat_assoc_id;
639 int32_t sstat_state;
640 uint32_t sstat_rwnd;
641 uint16_t sstat_unackdata;
642 uint16_t sstat_penddata;
643 uint16_t sstat_instrms;
644 uint16_t sstat_outstrms;
645 uint32_t sstat_fragmentation_point;
646 struct sctp_paddrinfo sstat_primary;
647};
648
649/*
650 * AUTHENTICATION support
651 */
652/* SCTP_AUTH_CHUNK */
653struct sctp_authchunk {
654 uint8_t sauth_chunk;
655};
656
657/* SCTP_AUTH_KEY */
658struct sctp_authkey {
659 sctp_assoc_t sca_assoc_id;
660 uint16_t sca_keynumber;
661 uint16_t sca_keylength;
662 uint8_t sca_key[];
663};
664
665/* SCTP_HMAC_IDENT */
666struct sctp_hmacalgo {
667 uint32_t shmac_number_of_idents;
668 uint16_t shmac_idents[];
669};
670
671/* AUTH hmac_id */
672#define SCTP_AUTH_HMAC_ID_RSVD 0x0000
673#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
674#define SCTP_AUTH_HMAC_ID_SHA256 0x0003
675
676/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
677struct sctp_authkeyid {
678 sctp_assoc_t scact_assoc_id;
679 uint16_t scact_keynumber;
680};
681
682/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
683struct sctp_authchunks {
684 sctp_assoc_t gauth_assoc_id;
685 uint32_t gauth_number_of_chunks;
686 uint8_t gauth_chunks[];
687};
688
689struct sctp_assoc_value {
690 sctp_assoc_t assoc_id;
691 uint32_t assoc_value;
692};
693
694struct sctp_cc_option {
695 int option;
696 struct sctp_assoc_value aid_value;
697};
698
699struct sctp_stream_value {
700 sctp_assoc_t assoc_id;
701 uint16_t stream_id;
702 uint16_t stream_value;
703};
704
705struct sctp_assoc_ids {
706 uint32_t gaids_number_of_ids;
707 sctp_assoc_t gaids_assoc_id[];
708};
709
710struct sctp_sack_info {
711 sctp_assoc_t sack_assoc_id;
712 uint32_t sack_delay;
713 uint32_t sack_freq;
714};
715
716struct sctp_timeouts {
717 sctp_assoc_t stimo_assoc_id;
718 uint32_t stimo_init;
719 uint32_t stimo_data;
720 uint32_t stimo_sack;
721 uint32_t stimo_shutdown;
722 uint32_t stimo_heartbeat;
723 uint32_t stimo_cookie;
724 uint32_t stimo_shutdownack;
725};
726
727struct sctp_udpencaps {
728 struct sockaddr_storage sue_address;
729 sctp_assoc_t sue_assoc_id;
730 uint16_t sue_port;
731};
732
733struct sctp_prstatus {
734 sctp_assoc_t sprstat_assoc_id;
735 uint16_t sprstat_sid;
736 uint16_t sprstat_policy;
737 uint64_t sprstat_abandoned_unsent;
738 uint64_t sprstat_abandoned_sent;
739};
740
741struct sctp_cwnd_args {
742 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
743 uint32_t cwnd_new_value; /* cwnd in k */
744 uint32_t pseudo_cumack;
745 uint16_t inflight; /* flightsize in k */
746 uint16_t cwnd_augment; /* increment to it */
747 uint8_t meets_pseudo_cumack;
748 uint8_t need_new_pseudo_cumack;
749 uint8_t cnt_in_send;
750 uint8_t cnt_in_str;
751};
752
753struct sctp_blk_args {
754 uint32_t onsb; /* in 1k bytes */
755 uint32_t sndlen; /* len of send being attempted */
756 uint32_t peer_rwnd; /* rwnd of peer */
757 uint16_t send_sent_qcnt; /* chnk cnt */
758 uint16_t stream_qcnt; /* chnk cnt */
759 uint16_t chunks_on_oque; /* chunks out */
760 uint16_t flight_size; /* flight size in k */
761};
762
763/*
764 * Max we can reset in one setting, note this is dictated not by the define
765 * but the size of a mbuf cluster so don't change this define and think you
766 * can specify more. You must do multiple resets if you want to reset more
767 * than SCTP_MAX_EXPLICIT_STR_RESET.
768 */
769#define SCTP_MAX_EXPLICT_STR_RESET 1000
770
771struct sctp_reset_streams {
772 sctp_assoc_t srs_assoc_id;
773 uint16_t srs_flags;
774 uint16_t srs_number_streams; /* 0 == ALL */
775 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */
776};
777
778struct sctp_add_streams {
779 sctp_assoc_t sas_assoc_id;
780 uint16_t sas_instrms;
781 uint16_t sas_outstrms;
782};
783
784struct sctp_get_nonce_values {
785 sctp_assoc_t gn_assoc_id;
786 uint32_t gn_peers_tag;
787 uint32_t gn_local_tag;
788};
789
790/* Values for SCTP_ACCEPT_ZERO_CHECKSUM */
791#define SCTP_EDMID_NONE 0
792#define SCTP_EDMID_LOWER_LAYER_DTLS 1
793
794/* Debugging logs */
795struct sctp_str_log {
796 void *stcb; /* FIXME: LP64 issue */
797 uint32_t n_tsn;
798 uint32_t e_tsn;
799 uint16_t n_sseq;
800 uint16_t e_sseq;
801 uint16_t strm;
802};
803
804struct sctp_sb_log {
805 void *stcb; /* FIXME: LP64 issue */
806 uint32_t so_sbcc;
807 uint32_t stcb_sbcc;
808 uint32_t incr;
809};
810
811struct sctp_fr_log {
812 uint32_t largest_tsn;
813 uint32_t largest_new_tsn;
814 uint32_t tsn;
815};
816
817struct sctp_fr_map {
818 uint32_t base;
819 uint32_t cum;
820 uint32_t high;
821};
822
823struct sctp_rwnd_log {
824 uint32_t rwnd;
825 uint32_t send_size;
826 uint32_t overhead;
827 uint32_t new_rwnd;
828};
829
830struct sctp_mbcnt_log {
831 uint32_t total_queue_size;
832 uint32_t size_change;
833 uint32_t total_queue_mb_size;
834 uint32_t mbcnt_change;
835};
836
837struct sctp_sack_log {
838 uint32_t cumack;
839 uint32_t oldcumack;
840 uint32_t tsn;
841 uint16_t numGaps;
842 uint16_t numDups;
843};
844
845struct sctp_lock_log {
846 void *sock; /* FIXME: LP64 issue */
847 void *inp; /* FIXME: LP64 issue */
848 uint8_t tcb_lock;
849 uint8_t inp_lock;
850 uint8_t info_lock;
851 uint8_t sock_lock;
852 uint8_t sockrcvbuf_lock;
853 uint8_t socksndbuf_lock;
854 uint8_t create_lock;
855 uint8_t resv;
856};
857
858struct sctp_rto_log {
859 void *net; /* FIXME: LP64 issue */
860 uint32_t rtt;
861};
862
863struct sctp_nagle_log {
864 void *stcb; /* FIXME: LP64 issue */
865 uint32_t total_flight;
866 uint32_t total_in_queue;
867 uint16_t count_in_queue;
868 uint16_t count_in_flight;
869};
870
871struct sctp_sbwake_log {
872 void *stcb; /* FIXME: LP64 issue */
873 uint16_t send_q;
874 uint16_t sent_q;
875 uint16_t flight;
876 uint16_t wake_cnt;
877 uint8_t stream_qcnt; /* chnk cnt */
878 uint8_t chunks_on_oque; /* chunks out */
879 uint8_t sbflags;
880 uint8_t sctpflags;
881};
882
883struct sctp_misc_info {
884 uint32_t log1;
885 uint32_t log2;
886 uint32_t log3;
887 uint32_t log4;
888};
889
890struct sctp_log_closing {
891 void *inp; /* FIXME: LP64 issue */
892 void *stcb; /* FIXME: LP64 issue */
893 uint32_t sctp_flags;
894 uint16_t state;
895 int16_t loc;
896};
897
898struct sctp_mbuf_log {
899 struct mbuf *mp; /* FIXME: LP64 issue */
900 caddr_t ext;
901 caddr_t data;
902 uint16_t size;
903 uint8_t refcnt;
904 uint8_t mbuf_flags;
905};
906
907struct sctp_cwnd_log {
908 uint64_t time_event;
909 uint8_t from;
910 uint8_t event_type;
911 uint8_t resv[2];
912 union {
913 struct sctp_log_closing close;
914 struct sctp_blk_args blk;
915 struct sctp_cwnd_args cwnd;
916 struct sctp_str_log strlog;
917 struct sctp_fr_log fr;
918 struct sctp_fr_map map;
919 struct sctp_rwnd_log rwnd;
920 struct sctp_mbcnt_log mbcnt;
921 struct sctp_sack_log sack;
922 struct sctp_lock_log lock;
923 struct sctp_rto_log rto;
924 struct sctp_sb_log sb;
925 struct sctp_nagle_log nagle;
926 struct sctp_sbwake_log wake;
927 struct sctp_mbuf_log mb;
928 struct sctp_misc_info misc;
929 } x;
930};
931
932struct sctp_cwnd_log_req {
933 int32_t num_in_log; /* Number in log */
934 int32_t num_ret; /* Number returned */
935 int32_t start_at; /* start at this one */
936 int32_t end_at; /* end at this one */
937 struct sctp_cwnd_log log[];
938};
939
940struct sctp_timeval {
941 uint32_t tv_sec;
942 uint32_t tv_usec;
943};
944
945struct sctpstat {
946 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
947 * (TimeStamp) */
948 /* MIB according to RFC 3873 */
949 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
950 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
951 uint32_t sctps_restartestab;
952 uint32_t sctps_collisionestab;
953 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
954 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
955 uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */
956 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
957 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
958 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
959 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
960 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
961 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
962 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
963 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
964 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
965 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
966 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
967 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
968
969 /* input statistics: */
970 uint32_t sctps_recvpackets; /* total input packets */
971 uint32_t sctps_recvdatagrams; /* total input datagrams */
972 uint32_t sctps_recvpktwithdata; /* total packets that had data */
973 uint32_t sctps_recvsacks; /* total input SACK chunks */
974 uint32_t sctps_recvdata; /* total input DATA chunks */
975 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
976 uint32_t sctps_recvheartbeat; /* total input HB chunks */
977 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
978 uint32_t sctps_recvecne; /* total input ECNE chunks */
979 uint32_t sctps_recvauth; /* total input AUTH chunks */
980 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
981 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
982 * received */
983 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
984 * received */
985 uint32_t sctps_recvauthfailed; /* total number of auth failed */
986 uint32_t sctps_recvexpress; /* total fast path receives all one
987 * chunk */
988 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
989 uint32_t sctps_recv_spare; /* formerly sctps_recvnocrc */
990 uint32_t sctps_recvswcrc;
991 uint32_t sctps_recvhwcrc;
992
993 /* output statistics: */
994 uint32_t sctps_sendpackets; /* total output packets */
995 uint32_t sctps_sendsacks; /* total output SACKs */
996 uint32_t sctps_senddata; /* total output DATA chunks */
997 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
998 * chunks */
999 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
1000 * DATA chunks */
1001 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
1002 * more than once to same
1003 * chunk (u-del multi-fr
1004 * algo). */
1005 uint32_t sctps_sendheartbeat; /* total output HB chunks */
1006 uint32_t sctps_sendecne; /* total output ECNE chunks */
1007 uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */
1008 uint32_t sctps_senderrors; /* ip_output error counter */
1009 uint32_t sctps_send_spare; /* formerly sctps_sendnocrc */
1010 uint32_t sctps_sendswcrc;
1011 uint32_t sctps_sendhwcrc;
1012 /* PCKDROPREP statistics: */
1013 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
1014 uint32_t sctps_pdrpfehos; /* P-drop from end host */
1015 uint32_t sctps_pdrpmbda; /* P-drops with data */
1016 uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */
1017 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
1018 * only */
1019 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
1020 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
1021 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
1022 * said break */
1023 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
1024 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
1025 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
1026 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
1027 uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */
1028 uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast
1029 * Retran */
1030 /* timeouts */
1031 uint32_t sctps_timoiterator; /* Number of iterator timers that
1032 * fired */
1033 uint32_t sctps_timodata; /* Number of T3 data time outs */
1034 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
1035 * that fired */
1036 uint32_t sctps_timoinit; /* Number of INIT timers that fired */
1037 uint32_t sctps_timosack; /* Number of sack timers that fired */
1038 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
1039 * fired */
1040 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
1041 * fired */
1042 uint32_t sctps_timocookie; /* Number of times a cookie timeout
1043 * fired */
1044 uint32_t sctps_timosecret; /* Number of times an endpoint changed
1045 * its cookie secret */
1046 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
1047 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
1048 * fired */
1049 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
1050 * timers that fired */
1051 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
1052 * fired */
1053 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
1054 * fired */
1055 uint32_t sctps_timoasconf; /* Number of times an asconf timer
1056 * fired */
1057 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
1058 * timer fired */
1059 uint32_t sctps_timoautoclose; /* Number of times auto close timer
1060 * fired */
1061 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
1062 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
1063 /* former early FR counters */
1064 uint32_t sctps_spare[11];
1065 /* others */
1066 uint32_t sctps_hdrops; /* packet shorter than header */
1067 uint32_t sctps_badsum; /* checksum error */
1068 uint32_t sctps_noport; /* no endpoint for port */
1069 uint32_t sctps_badvtag; /* bad v-tag */
1070 uint32_t sctps_badsid; /* bad SID */
1071 uint32_t sctps_nomem; /* no memory */
1072 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
1073 * RTT window */
1074 uint32_t sctps_markedretrans;
1075 uint32_t sctps_naglesent; /* nagle allowed sending */
1076 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */
1077 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */
1078 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
1079 * interface ring buffer OR we had a
1080 * send error and are queuing one
1081 * send. */
1082 uint32_t sctps_windowprobed; /* total number of window probes sent */
1083 uint32_t sctps_lowlevelerr; /* total times an output error causes
1084 * us to clamp down on next user send. */
1085 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
1086 * caused from a user send from a user
1087 * invoked send not a sack response */
1088 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
1089 * chunk limit reached */
1090 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
1091 * limit reached */
1092 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
1093 * cwnd */
1094 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
1095 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
1096 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
1097 * of user data on primary */
1098 uint32_t sctps_cmt_randry; /* Same for above */
1099 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
1100 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
1101 uint32_t sctps_sends_with_flags; /* number of sends with
1102 * sinfo_flags !=0 */
1103 uint32_t sctps_sends_with_unord; /* number of unordered sends */
1104 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
1105 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
1106 * flag set */
1107 uint32_t sctps_protocol_drain_calls; /* number of times protocol
1108 * drain called */
1109 uint32_t sctps_protocol_drains_done; /* number of times we did a
1110 * protocol drain */
1111 uint32_t sctps_read_peeks; /* Number of times recv was called
1112 * with peek */
1113 uint32_t sctps_cached_chk; /* Number of cached chunks used */
1114 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
1115 uint32_t sctps_left_abandon; /* Number of unread messages abandoned
1116 * by close */
1117 uint32_t sctps_send_burst_avoid; /* Unused */
1118 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
1119 * max burst inflight to net */
1120 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
1121 * fwd-tsn's */
1122 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or
1123 * updated an ECN chunk on send queue */
1124 uint32_t sctps_recvzerocrc; /* Number of accepted packets with
1125 * zero CRC */
1126 uint32_t sctps_sendzerocrc; /* Number of packets sent with zero
1127 * CRC */
1128 uint32_t sctps_reserved[29]; /* Future ABI compat - remove int's
1129 * from here when adding new */
1130};
1131
1132#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
1133#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
1134#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
1135#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
1136#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
1137#else
1138#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
1139#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
1140#endif
1141/* The following macros are for handling MIB values, */
1142#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
1143#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
1144#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
1145#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
1146#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
1147#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
1148
1149/***********************************/
1150/* And something for us old timers */
1151/***********************************/
1152
1153#ifndef ntohll
1154#include <sys/endian.h>
1155#define ntohll(x) be64toh(x)
1156#endif
1157
1158#ifndef htonll
1159#include <sys/endian.h>
1160#define htonll(x) htobe64(x)
1161#endif
1162/***********************************/
1163
1164struct xsctp_inpcb {
1165 uint32_t last;
1166 uint32_t flags;
1167 uint64_t features;
1168 uint32_t total_sends;
1169 uint32_t total_recvs;
1170 uint32_t total_nospaces;
1171 uint32_t fragmentation_point;
1172 uint16_t local_port;
1173 uint16_t qlen_old;
1174 uint16_t maxqlen_old;
1175 uint16_t __spare16;
1176 kvaddr_t socket;
1177 uint32_t qlen;
1178 uint32_t maxqlen;
1179 uint32_t extra_padding[26]; /* future */
1180};
1181
1182struct xsctp_tcb {
1183 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
1184 uint32_t last;
1185 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
1186 uint32_t state; /* sctpAssocEntry 8 */
1187 uint32_t in_streams; /* sctpAssocEntry 9 */
1188 uint32_t out_streams; /* sctpAssocEntry 10 */
1189 uint32_t max_nr_retrans; /* sctpAssocEntry 11 */
1190 uint32_t primary_process; /* sctpAssocEntry 12 */
1191 uint32_t T1_expireries; /* sctpAssocEntry 13 */
1192 uint32_t T2_expireries; /* sctpAssocEntry 14 */
1193 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
1194 uint32_t total_sends;
1195 uint32_t total_recvs;
1196 uint32_t local_tag;
1197 uint32_t remote_tag;
1198 uint32_t initial_tsn;
1199 uint32_t highest_tsn;
1200 uint32_t cumulative_tsn;
1201 uint32_t cumulative_tsn_ack;
1202 uint32_t mtu;
1203 uint32_t refcnt;
1204 uint16_t local_port; /* sctpAssocEntry 3 */
1205 uint16_t remote_port; /* sctpAssocEntry 4 */
1206 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1207 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1208 uint32_t peers_rwnd;
1209 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */
1210 uint32_t extra_padding[32]; /* future */
1211};
1212
1213struct xsctp_laddr {
1214 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1215 uint32_t last;
1216 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1217 uint32_t extra_padding[32]; /* future */
1218};
1219
1220struct xsctp_raddr {
1221 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1222 uint32_t last;
1223 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1224 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1225 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1226 uint32_t error_counter; /* */
1227 uint32_t cwnd; /* */
1228 uint32_t flight_size; /* */
1229 uint32_t mtu; /* */
1230 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1231 uint8_t confirmed; /* */
1232 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1233 uint8_t potentially_failed;
1234 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1235 uint32_t rtt;
1236 uint32_t heartbeat_interval;
1237 uint32_t ssthresh;
1238 uint16_t encaps_port;
1239 uint16_t state;
1240 uint32_t extra_padding[29]; /* future */
1241};
1242
1243#define SCTP_MAX_LOGGING_SIZE 30000
1244#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1245
1246struct sctp_log_entry {
1247 uint64_t timestamp;
1248 uint32_t subsys;
1249 uint32_t padding;
1250 uint32_t params[SCTP_TRACE_PARAMS];
1251};
1252
1253struct sctp_log {
1254 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1255 uint32_t index;
1256 uint32_t padding;
1257};
1258
1259/*
1260 * Kernel defined for sctp_send
1261 */
1262#if defined(_KERNEL) || defined(__Userspace__)
1263int
1264sctp_lower_sosend(struct socket *so,
1265 struct sockaddr *addr,
1266 struct uio *uio,
1267 struct mbuf *top,
1268 struct mbuf *control,
1269 int flags,
1270 struct sctp_sndrcvinfo *srcv
1271 ,struct thread *p
1272);
1273
1274int
1275sctp_sorecvmsg(struct socket *so,
1276 struct uio *uio,
1277 struct mbuf **mp,
1278 struct sockaddr *from,
1279 int fromlen,
1280 int *msg_flags,
1281 struct sctp_sndrcvinfo *sinfo,
1282 int filling_sinfo);
1283#endif
1284
1285/*
1286 * API system calls
1287 */
1288#if !(defined(_KERNEL)) && !(defined(__Userspace__))
1289
1290__BEGIN_DECLS
1291int sctp_peeloff(int, sctp_assoc_t);
1292int sctp_bindx(int, struct sockaddr *, int, int);
1293int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *);
1294int sctp_getaddrlen(sa_family_t);
1295int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
1296void sctp_freepaddrs(struct sockaddr *);
1297int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
1298void sctp_freeladdrs(struct sockaddr *);
1299int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
1300
1301/* deprecated */
1302ssize_t
1303sctp_sendmsg(int, const void *, size_t, const struct sockaddr *,
1304 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1305
1306/* deprecated */
1307ssize_t
1308sctp_send(int, const void *, size_t,
1309 const struct sctp_sndrcvinfo *, int);
1310
1311/* deprecated */
1312ssize_t
1313sctp_sendx(int, const void *, size_t, struct sockaddr *,
1314 int, struct sctp_sndrcvinfo *, int);
1315
1316/* deprecated */
1317ssize_t
1318sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *,
1319 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1320
1321sctp_assoc_t sctp_getassocid(int, struct sockaddr *);
1322
1323/* deprecated */
1324ssize_t
1325sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *,
1326 struct sctp_sndrcvinfo *, int *);
1327
1328ssize_t
1329sctp_sendv(int, const struct iovec *, int, struct sockaddr *,
1330 int, void *, socklen_t, unsigned int, int);
1331
1332ssize_t
1333sctp_recvv(int, const struct iovec *, int, struct sockaddr *,
1334 socklen_t *, void *, socklen_t *, unsigned int *, int *);
1335
1336__END_DECLS
1337
1338#endif /* !_KERNEL */
1339#endif /* !__sctp_uio_h__ */