1 /*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: releng/10.0/sys/netinet/sctp_uio.h 255160 2013-09-02 22:48:41Z tuexen $");
35
36 #ifndef _NETINET_SCTP_UIO_H_
37 #define _NETINET_SCTP_UIO_H_
38
39
40 #if ! defined(_KERNEL)
41 #include <stdint.h>
42 #endif
43 #include <sys/types.h>
44 #include <sys/socket.h>
45 #include <netinet/in.h>
46
47 typedef uint32_t sctp_assoc_t;
48
49 #define SCTP_FUTURE_ASSOC 0
50 #define SCTP_CURRENT_ASSOC 1
51 #define SCTP_ALL_ASSOC 2
52
53 struct sctp_event {
54 sctp_assoc_t se_assoc_id;
55 uint16_t se_type;
56 uint8_t se_on;
57 };
58
59 /* Compatibility to previous define's */
60 #define sctp_stream_reset_events sctp_stream_reset_event
61
62 /* On/Off setup for subscription to events */
63 struct sctp_event_subscribe {
64 uint8_t sctp_data_io_event;
65 uint8_t sctp_association_event;
66 uint8_t sctp_address_event;
67 uint8_t sctp_send_failure_event;
68 uint8_t sctp_peer_error_event;
69 uint8_t sctp_shutdown_event;
70 uint8_t sctp_partial_delivery_event;
71 uint8_t sctp_adaptation_layer_event;
72 uint8_t sctp_authentication_event;
73 uint8_t sctp_sender_dry_event;
74 uint8_t sctp_stream_reset_event;
75 };
76
77 /* ancillary data types */
78 #define SCTP_INIT 0x0001
79 #define SCTP_SNDRCV 0x0002
80 #define SCTP_EXTRCV 0x0003
81 #define SCTP_SNDINFO 0x0004
82 #define SCTP_RCVINFO 0x0005
83 #define SCTP_NXTINFO 0x0006
84 #define SCTP_PRINFO 0x0007
85 #define SCTP_AUTHINFO 0x0008
86 #define SCTP_DSTADDRV4 0x0009
87 #define SCTP_DSTADDRV6 0x000a
88
89 /*
90 * ancillary data structures
91 */
92 struct sctp_initmsg {
93 uint16_t sinit_num_ostreams;
94 uint16_t sinit_max_instreams;
95 uint16_t sinit_max_attempts;
96 uint16_t sinit_max_init_timeo;
97 };
98
99 /* We add 96 bytes to the size of sctp_sndrcvinfo.
100 * This makes the current structure 128 bytes long
101 * which is nicely 64 bit aligned but also has room
102 * for us to add more and keep ABI compatibility.
103 * For example, already we have the sctp_extrcvinfo
104 * when enabled which is 48 bytes.
105 */
106
107 /*
108 * The assoc up needs a verfid
109 * all sendrcvinfo's need a verfid for SENDING only.
110 */
111
112
113 #define SCTP_ALIGN_RESV_PAD 92
114 #define SCTP_ALIGN_RESV_PAD_SHORT 76
115
116 struct sctp_sndrcvinfo {
117 uint16_t sinfo_stream;
118 uint16_t sinfo_ssn;
119 uint16_t sinfo_flags;
120 uint32_t sinfo_ppid;
121 uint32_t sinfo_context;
122 uint32_t sinfo_timetolive;
123 uint32_t sinfo_tsn;
124 uint32_t sinfo_cumtsn;
125 sctp_assoc_t sinfo_assoc_id;
126 uint16_t sinfo_keynumber;
127 uint16_t sinfo_keynumber_valid;
128 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
129 };
130
131 struct sctp_extrcvinfo {
132 uint16_t sinfo_stream;
133 uint16_t sinfo_ssn;
134 uint16_t sinfo_flags;
135 uint32_t sinfo_ppid;
136 uint32_t sinfo_context;
137 uint32_t sinfo_timetolive;
138 uint32_t sinfo_tsn;
139 uint32_t sinfo_cumtsn;
140 sctp_assoc_t sinfo_assoc_id;
141 uint16_t sreinfo_next_flags;
142 uint16_t sreinfo_next_stream;
143 uint32_t sreinfo_next_aid;
144 uint32_t sreinfo_next_length;
145 uint32_t sreinfo_next_ppid;
146 uint16_t sinfo_keynumber;
147 uint16_t sinfo_keynumber_valid;
148 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
149 };
150
151 struct sctp_sndinfo {
152 uint16_t snd_sid;
153 uint16_t snd_flags;
154 uint32_t snd_ppid;
155 uint32_t snd_context;
156 sctp_assoc_t snd_assoc_id;
157 };
158
159 struct sctp_prinfo {
160 uint16_t pr_policy;
161 uint32_t pr_value;
162 };
163
164 struct sctp_default_prinfo {
165 uint16_t pr_policy;
166 uint32_t pr_value;
167 sctp_assoc_t pr_assoc_id;
168 };
169
170 struct sctp_authinfo {
171 uint16_t auth_keynumber;
172 };
173
174 struct sctp_rcvinfo {
175 uint16_t rcv_sid;
176 uint16_t rcv_ssn;
177 uint16_t rcv_flags;
178 uint32_t rcv_ppid;
179 uint32_t rcv_tsn;
180 uint32_t rcv_cumtsn;
181 uint32_t rcv_context;
182 sctp_assoc_t rcv_assoc_id;
183 };
184
185 struct sctp_nxtinfo {
186 uint16_t nxt_sid;
187 uint16_t nxt_flags;
188 uint32_t nxt_ppid;
189 uint32_t nxt_length;
190 sctp_assoc_t nxt_assoc_id;
191 };
192
193 #define SCTP_NO_NEXT_MSG 0x0000
194 #define SCTP_NEXT_MSG_AVAIL 0x0001
195 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
196 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
197 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
198
199 struct sctp_recvv_rn {
200 struct sctp_rcvinfo recvv_rcvinfo;
201 struct sctp_nxtinfo recvv_nxtinfo;
202 };
203
204 #define SCTP_RECVV_NOINFO 0
205 #define SCTP_RECVV_RCVINFO 1
206 #define SCTP_RECVV_NXTINFO 2
207 #define SCTP_RECVV_RN 3
208
209 #define SCTP_SENDV_NOINFO 0
210 #define SCTP_SENDV_SNDINFO 1
211 #define SCTP_SENDV_PRINFO 2
212 #define SCTP_SENDV_AUTHINFO 3
213 #define SCTP_SENDV_SPA 4
214
215 struct sctp_sendv_spa {
216 uint32_t sendv_flags;
217 struct sctp_sndinfo sendv_sndinfo;
218 struct sctp_prinfo sendv_prinfo;
219 struct sctp_authinfo sendv_authinfo;
220 };
221
222 #define SCTP_SEND_SNDINFO_VALID 0x00000001
223 #define SCTP_SEND_PRINFO_VALID 0x00000002
224 #define SCTP_SEND_AUTHINFO_VALID 0x00000004
225
226 struct sctp_snd_all_completes {
227 uint16_t sall_stream;
228 uint16_t sall_flags;
229 uint32_t sall_ppid;
230 uint32_t sall_context;
231 uint32_t sall_num_sent;
232 uint32_t sall_num_failed;
233 };
234
235 /* Flags that go into the sinfo->sinfo_flags field */
236 #define SCTP_NOTIFICATION 0x0010 /* next message is a notification */
237 #define SCTP_COMPLETE 0x0020 /* next message is complete */
238 #define SCTP_EOF 0x0100 /* Start shutdown procedures */
239 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */
240 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */
241 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */
242 #define SCTP_SENDALL 0x1000 /* Send this on all associations */
243 #define SCTP_EOR 0x2000 /* end of message signal */
244 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
245
246 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \
247 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
248 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
249 SCTP_SACK_IMMEDIATELY)) != 0)
250 /* for the endpoint */
251
252 /* The lower byte is an enumeration of PR-SCTP policies */
253 #define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */
254 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
255 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
256 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
257
258 #define PR_SCTP_POLICY(x) ((x) & 0x0f)
259 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE)
260 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
261 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
262 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
263 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
264 /* Stat's */
265 struct sctp_pcbinfo {
266 uint32_t ep_count;
267 uint32_t asoc_count;
268 uint32_t laddr_count;
269 uint32_t raddr_count;
270 uint32_t chk_count;
271 uint32_t readq_count;
272 uint32_t free_chunks;
273 uint32_t stream_oque;
274 };
275
276 struct sctp_sockstat {
277 sctp_assoc_t ss_assoc_id;
278 uint32_t ss_total_sndbuf;
279 uint32_t ss_total_recv_buf;
280 };
281
282 /*
283 * notification event structures
284 */
285
286 /*
287 * association change event
288 */
289 struct sctp_assoc_change {
290 uint16_t sac_type;
291 uint16_t sac_flags;
292 uint32_t sac_length;
293 uint16_t sac_state;
294 uint16_t sac_error;
295 uint16_t sac_outbound_streams;
296 uint16_t sac_inbound_streams;
297 sctp_assoc_t sac_assoc_id;
298 uint8_t sac_info[];
299 };
300
301 /* sac_state values */
302 #define SCTP_COMM_UP 0x0001
303 #define SCTP_COMM_LOST 0x0002
304 #define SCTP_RESTART 0x0003
305 #define SCTP_SHUTDOWN_COMP 0x0004
306 #define SCTP_CANT_STR_ASSOC 0x0005
307
308 /* sac_info values */
309 #define SCTP_ASSOC_SUPPORTS_PR 0x01
310 #define SCTP_ASSOC_SUPPORTS_AUTH 0x02
311 #define SCTP_ASSOC_SUPPORTS_ASCONF 0x03
312 #define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04
313 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05
314 #define SCTP_ASSOC_SUPPORTS_MAX 0x05
315 /*
316 * Address event
317 */
318 struct sctp_paddr_change {
319 uint16_t spc_type;
320 uint16_t spc_flags;
321 uint32_t spc_length;
322 struct sockaddr_storage spc_aaddr;
323 uint32_t spc_state;
324 uint32_t spc_error;
325 sctp_assoc_t spc_assoc_id;
326 uint8_t spc_padding[4];
327 };
328
329 /* paddr state values */
330 #define SCTP_ADDR_AVAILABLE 0x0001
331 #define SCTP_ADDR_UNREACHABLE 0x0002
332 #define SCTP_ADDR_REMOVED 0x0003
333 #define SCTP_ADDR_ADDED 0x0004
334 #define SCTP_ADDR_MADE_PRIM 0x0005
335 #define SCTP_ADDR_CONFIRMED 0x0006
336
337 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
338 #define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE nor
339 * SCTP_ADDR_UNCONFIRMED */
340 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
341
342 /* remote error events */
343 struct sctp_remote_error {
344 uint16_t sre_type;
345 uint16_t sre_flags;
346 uint32_t sre_length;
347 uint16_t sre_error;
348 sctp_assoc_t sre_assoc_id;
349 uint8_t sre_data[4];
350 };
351
352 /* data send failure event (deprecated) */
353 struct sctp_send_failed {
354 uint16_t ssf_type;
355 uint16_t ssf_flags;
356 uint32_t ssf_length;
357 uint32_t ssf_error;
358 struct sctp_sndrcvinfo ssf_info;
359 sctp_assoc_t ssf_assoc_id;
360 uint8_t ssf_data[];
361 };
362
363 /* data send failure event (not deprecated) */
364 struct sctp_send_failed_event {
365 uint16_t ssfe_type;
366 uint16_t ssfe_flags;
367 uint32_t ssfe_length;
368 uint32_t ssfe_error;
369 struct sctp_sndinfo ssfe_info;
370 sctp_assoc_t ssfe_assoc_id;
371 uint8_t ssfe_data[];
372 };
373
374 /* flag that indicates state of data */
375 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
376 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
377
378 /* shutdown event */
379 struct sctp_shutdown_event {
380 uint16_t sse_type;
381 uint16_t sse_flags;
382 uint32_t sse_length;
383 sctp_assoc_t sse_assoc_id;
384 };
385
386 /* Adaptation layer indication stuff */
387 struct sctp_adaptation_event {
388 uint16_t sai_type;
389 uint16_t sai_flags;
390 uint32_t sai_length;
391 uint32_t sai_adaptation_ind;
392 sctp_assoc_t sai_assoc_id;
393 };
394
395 struct sctp_setadaptation {
396 uint32_t ssb_adaptation_ind;
397 };
398
399 /* compatible old spelling */
400 struct sctp_adaption_event {
401 uint16_t sai_type;
402 uint16_t sai_flags;
403 uint32_t sai_length;
404 uint32_t sai_adaption_ind;
405 sctp_assoc_t sai_assoc_id;
406 };
407
408 struct sctp_setadaption {
409 uint32_t ssb_adaption_ind;
410 };
411
412
413 /*
414 * Partial Delivery API event
415 */
416 struct sctp_pdapi_event {
417 uint16_t pdapi_type;
418 uint16_t pdapi_flags;
419 uint32_t pdapi_length;
420 uint32_t pdapi_indication;
421 uint16_t pdapi_stream;
422 uint16_t pdapi_seq;
423 sctp_assoc_t pdapi_assoc_id;
424 };
425
426 /* indication values */
427 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
428
429
430 /*
431 * authentication key event
432 */
433 struct sctp_authkey_event {
434 uint16_t auth_type;
435 uint16_t auth_flags;
436 uint32_t auth_length;
437 uint16_t auth_keynumber;
438 uint16_t auth_altkeynumber;
439 uint32_t auth_indication;
440 sctp_assoc_t auth_assoc_id;
441 };
442
443 /* indication values */
444 #define SCTP_AUTH_NEW_KEY 0x0001
445 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY
446 #define SCTP_AUTH_NO_AUTH 0x0002
447 #define SCTP_AUTH_FREE_KEY 0x0003
448
449
450 struct sctp_sender_dry_event {
451 uint16_t sender_dry_type;
452 uint16_t sender_dry_flags;
453 uint32_t sender_dry_length;
454 sctp_assoc_t sender_dry_assoc_id;
455 };
456
457
458 /*
459 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT
460 */
461 struct sctp_stream_reset_event {
462 uint16_t strreset_type;
463 uint16_t strreset_flags;
464 uint32_t strreset_length;
465 sctp_assoc_t strreset_assoc_id;
466 uint16_t strreset_stream_list[];
467 };
468
469 /* flags in stream_reset_event (strreset_flags) */
470 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
471 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
472 #define SCTP_STREAM_RESET_DENIED 0x0004
473 #define SCTP_STREAM_RESET_FAILED 0x0008
474
475 /*
476 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT
477 */
478 struct sctp_assoc_reset_event {
479 uint16_t assocreset_type;
480 uint16_t assocreset_flags;
481 uint32_t assocreset_length;
482 sctp_assoc_t assocreset_assoc_id;
483 uint32_t assocreset_local_tsn;
484 uint32_t assocreset_remote_tsn;
485 };
486
487 #define SCTP_ASSOC_RESET_DENIED 0x0004
488 #define SCTP_ASSOC_RESET_FAILED 0x0008
489
490 /*
491 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT
492 */
493 struct sctp_stream_change_event {
494 uint16_t strchange_type;
495 uint16_t strchange_flags;
496 uint32_t strchange_length;
497 sctp_assoc_t strchange_assoc_id;
498 uint16_t strchange_instrms;
499 uint16_t strchange_outstrms;
500 };
501
502 #define SCTP_STREAM_CHANGE_DENIED 0x0004
503 #define SCTP_STREAM_CHANGE_FAILED 0x0008
504
505
506 /* SCTP notification event */
507 struct sctp_tlv {
508 uint16_t sn_type;
509 uint16_t sn_flags;
510 uint32_t sn_length;
511 };
512
513 union sctp_notification {
514 struct sctp_tlv sn_header;
515 struct sctp_assoc_change sn_assoc_change;
516 struct sctp_paddr_change sn_paddr_change;
517 struct sctp_remote_error sn_remote_error;
518 struct sctp_send_failed sn_send_failed;
519 struct sctp_shutdown_event sn_shutdown_event;
520 struct sctp_adaptation_event sn_adaptation_event;
521 /* compatibility same as above */
522 struct sctp_adaption_event sn_adaption_event;
523 struct sctp_pdapi_event sn_pdapi_event;
524 struct sctp_authkey_event sn_auth_event;
525 struct sctp_sender_dry_event sn_sender_dry_event;
526 struct sctp_send_failed_event sn_send_failed_event;
527 struct sctp_stream_reset_event sn_strreset_event;
528 struct sctp_assoc_reset_event sn_assocreset_event;
529 struct sctp_stream_change_event sn_strchange_event;
530 };
531
532 /* notification types */
533 #define SCTP_ASSOC_CHANGE 0x0001
534 #define SCTP_PEER_ADDR_CHANGE 0x0002
535 #define SCTP_REMOTE_ERROR 0x0003
536 #define SCTP_SEND_FAILED 0x0004
537 #define SCTP_SHUTDOWN_EVENT 0x0005
538 #define SCTP_ADAPTATION_INDICATION 0x0006
539 /* same as above */
540 #define SCTP_ADAPTION_INDICATION 0x0006
541 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
542 #define SCTP_AUTHENTICATION_EVENT 0x0008
543 #define SCTP_STREAM_RESET_EVENT 0x0009
544 #define SCTP_SENDER_DRY_EVENT 0x000a
545 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */
546 #define SCTP_ASSOC_RESET_EVENT 0x000c
547 #define SCTP_STREAM_CHANGE_EVENT 0x000d
548 #define SCTP_SEND_FAILED_EVENT 0x000e
549 /*
550 * socket option structs
551 */
552
553 struct sctp_paddrparams {
554 struct sockaddr_storage spp_address;
555 sctp_assoc_t spp_assoc_id;
556 uint32_t spp_hbinterval;
557 uint32_t spp_pathmtu;
558 uint32_t spp_flags;
559 uint32_t spp_ipv6_flowlabel;
560 uint16_t spp_pathmaxrxt;
561 uint8_t spp_dscp;
562 };
563
564 #define spp_ipv4_tos spp_dscp
565
566 #define SPP_HB_ENABLE 0x00000001
567 #define SPP_HB_DISABLE 0x00000002
568 #define SPP_HB_DEMAND 0x00000004
569 #define SPP_PMTUD_ENABLE 0x00000008
570 #define SPP_PMTUD_DISABLE 0x00000010
571 #define SPP_HB_TIME_IS_ZERO 0x00000080
572 #define SPP_IPV6_FLOWLABEL 0x00000100
573 #define SPP_DSCP 0x00000200
574 #define SPP_IPV4_TOS SPP_DSCP
575
576 struct sctp_paddrthlds {
577 struct sockaddr_storage spt_address;
578 sctp_assoc_t spt_assoc_id;
579 uint16_t spt_pathmaxrxt;
580 uint16_t spt_pathpfthld;
581 };
582
583 struct sctp_paddrinfo {
584 struct sockaddr_storage spinfo_address;
585 sctp_assoc_t spinfo_assoc_id;
586 int32_t spinfo_state;
587 uint32_t spinfo_cwnd;
588 uint32_t spinfo_srtt;
589 uint32_t spinfo_rto;
590 uint32_t spinfo_mtu;
591 };
592
593 struct sctp_rtoinfo {
594 sctp_assoc_t srto_assoc_id;
595 uint32_t srto_initial;
596 uint32_t srto_max;
597 uint32_t srto_min;
598 };
599
600 struct sctp_assocparams {
601 sctp_assoc_t sasoc_assoc_id;
602 uint32_t sasoc_peer_rwnd;
603 uint32_t sasoc_local_rwnd;
604 uint32_t sasoc_cookie_life;
605 uint16_t sasoc_asocmaxrxt;
606 uint16_t sasoc_number_peer_destinations;
607 };
608
609 struct sctp_setprim {
610 struct sockaddr_storage ssp_addr;
611 sctp_assoc_t ssp_assoc_id;
612 uint8_t ssp_padding[4];
613 };
614
615 struct sctp_setpeerprim {
616 struct sockaddr_storage sspp_addr;
617 sctp_assoc_t sspp_assoc_id;
618 uint8_t sspp_padding[4];
619 };
620
621 struct sctp_getaddresses {
622 sctp_assoc_t sget_assoc_id;
623 /* addr is filled in for N * sockaddr_storage */
624 struct sockaddr addr[1];
625 };
626
627 struct sctp_status {
628 sctp_assoc_t sstat_assoc_id;
629 int32_t sstat_state;
630 uint32_t sstat_rwnd;
631 uint16_t sstat_unackdata;
632 uint16_t sstat_penddata;
633 uint16_t sstat_instrms;
634 uint16_t sstat_outstrms;
635 uint32_t sstat_fragmentation_point;
636 struct sctp_paddrinfo sstat_primary;
637 };
638
639 /*
640 * AUTHENTICATION support
641 */
642 /* SCTP_AUTH_CHUNK */
643 struct sctp_authchunk {
644 uint8_t sauth_chunk;
645 };
646
647 /* SCTP_AUTH_KEY */
648 struct sctp_authkey {
649 sctp_assoc_t sca_assoc_id;
650 uint16_t sca_keynumber;
651 uint16_t sca_keylength;
652 uint8_t sca_key[];
653 };
654
655 /* SCTP_HMAC_IDENT */
656 struct sctp_hmacalgo {
657 uint32_t shmac_number_of_idents;
658 uint16_t shmac_idents[];
659 };
660
661 /* AUTH hmac_id */
662 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
663 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
664 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
665
666 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
667 struct sctp_authkeyid {
668 sctp_assoc_t scact_assoc_id;
669 uint16_t scact_keynumber;
670 };
671
672 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
673 struct sctp_authchunks {
674 sctp_assoc_t gauth_assoc_id;
675 uint32_t gauth_number_of_chunks;
676 uint8_t gauth_chunks[];
677 };
678
679 struct sctp_assoc_value {
680 sctp_assoc_t assoc_id;
681 uint32_t assoc_value;
682 };
683
684 struct sctp_cc_option {
685 int option;
686 struct sctp_assoc_value aid_value;
687 };
688
689 struct sctp_stream_value {
690 sctp_assoc_t assoc_id;
691 uint16_t stream_id;
692 uint16_t stream_value;
693 };
694
695 struct sctp_assoc_ids {
696 uint32_t gaids_number_of_ids;
697 sctp_assoc_t gaids_assoc_id[];
698 };
699
700 struct sctp_sack_info {
701 sctp_assoc_t sack_assoc_id;
702 uint32_t sack_delay;
703 uint32_t sack_freq;
704 };
705
706 struct sctp_timeouts {
707 sctp_assoc_t stimo_assoc_id;
708 uint32_t stimo_init;
709 uint32_t stimo_data;
710 uint32_t stimo_sack;
711 uint32_t stimo_shutdown;
712 uint32_t stimo_heartbeat;
713 uint32_t stimo_cookie;
714 uint32_t stimo_shutdownack;
715 };
716
717 struct sctp_udpencaps {
718 struct sockaddr_storage sue_address;
719 sctp_assoc_t sue_assoc_id;
720 uint16_t sue_port;
721 };
722
723 struct sctp_cwnd_args {
724 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
725 uint32_t cwnd_new_value;/* cwnd in k */
726 uint32_t pseudo_cumack;
727 uint16_t inflight; /* flightsize in k */
728 uint16_t cwnd_augment; /* increment to it */
729 uint8_t meets_pseudo_cumack;
730 uint8_t need_new_pseudo_cumack;
731 uint8_t cnt_in_send;
732 uint8_t cnt_in_str;
733 };
734
735 struct sctp_blk_args {
736 uint32_t onsb; /* in 1k bytes */
737 uint32_t sndlen; /* len of send being attempted */
738 uint32_t peer_rwnd; /* rwnd of peer */
739 uint16_t send_sent_qcnt;/* chnk cnt */
740 uint16_t stream_qcnt; /* chnk cnt */
741 uint16_t chunks_on_oque;/* chunks out */
742 uint16_t flight_size; /* flight size in k */
743 };
744
745 /*
746 * Max we can reset in one setting, note this is dictated not by the define
747 * but the size of a mbuf cluster so don't change this define and think you
748 * can specify more. You must do multiple resets if you want to reset more
749 * than SCTP_MAX_EXPLICIT_STR_RESET.
750 */
751 #define SCTP_MAX_EXPLICT_STR_RESET 1000
752
753 struct sctp_reset_streams {
754 sctp_assoc_t srs_assoc_id;
755 uint16_t srs_flags;
756 uint16_t srs_number_streams; /* 0 == ALL */
757 uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */
758 };
759
760 struct sctp_add_streams {
761 sctp_assoc_t sas_assoc_id;
762 uint16_t sas_instrms;
763 uint16_t sas_outstrms;
764 };
765
766 struct sctp_get_nonce_values {
767 sctp_assoc_t gn_assoc_id;
768 uint32_t gn_peers_tag;
769 uint32_t gn_local_tag;
770 };
771
772 /* Debugging logs */
773 struct sctp_str_log {
774 void *stcb; /* FIXME: LP64 issue */
775 uint32_t n_tsn;
776 uint32_t e_tsn;
777 uint16_t n_sseq;
778 uint16_t e_sseq;
779 uint16_t strm;
780 };
781
782 struct sctp_sb_log {
783 void *stcb; /* FIXME: LP64 issue */
784 uint32_t so_sbcc;
785 uint32_t stcb_sbcc;
786 uint32_t incr;
787 };
788
789 struct sctp_fr_log {
790 uint32_t largest_tsn;
791 uint32_t largest_new_tsn;
792 uint32_t tsn;
793 };
794
795 struct sctp_fr_map {
796 uint32_t base;
797 uint32_t cum;
798 uint32_t high;
799 };
800
801 struct sctp_rwnd_log {
802 uint32_t rwnd;
803 uint32_t send_size;
804 uint32_t overhead;
805 uint32_t new_rwnd;
806 };
807
808 struct sctp_mbcnt_log {
809 uint32_t total_queue_size;
810 uint32_t size_change;
811 uint32_t total_queue_mb_size;
812 uint32_t mbcnt_change;
813 };
814
815 struct sctp_sack_log {
816 uint32_t cumack;
817 uint32_t oldcumack;
818 uint32_t tsn;
819 uint16_t numGaps;
820 uint16_t numDups;
821 };
822
823 struct sctp_lock_log {
824 void *sock; /* FIXME: LP64 issue */
825 void *inp; /* FIXME: LP64 issue */
826 uint8_t tcb_lock;
827 uint8_t inp_lock;
828 uint8_t info_lock;
829 uint8_t sock_lock;
830 uint8_t sockrcvbuf_lock;
831 uint8_t socksndbuf_lock;
832 uint8_t create_lock;
833 uint8_t resv;
834 };
835
836 struct sctp_rto_log {
837 void *net; /* FIXME: LP64 issue */
838 uint32_t rtt;
839 };
840
841 struct sctp_nagle_log {
842 void *stcb; /* FIXME: LP64 issue */
843 uint32_t total_flight;
844 uint32_t total_in_queue;
845 uint16_t count_in_queue;
846 uint16_t count_in_flight;
847 };
848
849 struct sctp_sbwake_log {
850 void *stcb; /* FIXME: LP64 issue */
851 uint16_t send_q;
852 uint16_t sent_q;
853 uint16_t flight;
854 uint16_t wake_cnt;
855 uint8_t stream_qcnt; /* chnk cnt */
856 uint8_t chunks_on_oque; /* chunks out */
857 uint8_t sbflags;
858 uint8_t sctpflags;
859 };
860
861 struct sctp_misc_info {
862 uint32_t log1;
863 uint32_t log2;
864 uint32_t log3;
865 uint32_t log4;
866 };
867
868 struct sctp_log_closing {
869 void *inp; /* FIXME: LP64 issue */
870 void *stcb; /* FIXME: LP64 issue */
871 uint32_t sctp_flags;
872 uint16_t state;
873 int16_t loc;
874 };
875
876 struct sctp_mbuf_log {
877 struct mbuf *mp; /* FIXME: LP64 issue */
878 caddr_t ext;
879 caddr_t data;
880 uint16_t size;
881 uint8_t refcnt;
882 uint8_t mbuf_flags;
883 };
884
885 struct sctp_cwnd_log {
886 uint64_t time_event;
887 uint8_t from;
888 uint8_t event_type;
889 uint8_t resv[2];
890 union {
891 struct sctp_log_closing close;
892 struct sctp_blk_args blk;
893 struct sctp_cwnd_args cwnd;
894 struct sctp_str_log strlog;
895 struct sctp_fr_log fr;
896 struct sctp_fr_map map;
897 struct sctp_rwnd_log rwnd;
898 struct sctp_mbcnt_log mbcnt;
899 struct sctp_sack_log sack;
900 struct sctp_lock_log lock;
901 struct sctp_rto_log rto;
902 struct sctp_sb_log sb;
903 struct sctp_nagle_log nagle;
904 struct sctp_sbwake_log wake;
905 struct sctp_mbuf_log mb;
906 struct sctp_misc_info misc;
907 } x;
908 };
909
910 struct sctp_cwnd_log_req {
911 int32_t num_in_log; /* Number in log */
912 int32_t num_ret; /* Number returned */
913 int32_t start_at; /* start at this one */
914 int32_t end_at; /* end at this one */
915 struct sctp_cwnd_log log[];
916 };
917
918 struct sctp_timeval {
919 uint32_t tv_sec;
920 uint32_t tv_usec;
921 };
922
923 struct sctpstat {
924 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
925 * (TimeStamp) */
926 /* MIB according to RFC 3873 */
927 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
928 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
929 uint32_t sctps_restartestab;
930 uint32_t sctps_collisionestab;
931 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
932 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
933 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
934 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
935 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
936 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
937 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
938 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
939 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
940 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
941 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
942 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
943 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
944 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
945 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
946
947 /* input statistics: */
948 uint32_t sctps_recvpackets; /* total input packets */
949 uint32_t sctps_recvdatagrams; /* total input datagrams */
950 uint32_t sctps_recvpktwithdata; /* total packets that had data */
951 uint32_t sctps_recvsacks; /* total input SACK chunks */
952 uint32_t sctps_recvdata;/* total input DATA chunks */
953 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
954 uint32_t sctps_recvheartbeat; /* total input HB chunks */
955 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
956 uint32_t sctps_recvecne;/* total input ECNE chunks */
957 uint32_t sctps_recvauth;/* total input AUTH chunks */
958 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
959 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
960 * received */
961 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
962 * received */
963 uint32_t sctps_recvauthfailed; /* total number of auth failed */
964 uint32_t sctps_recvexpress; /* total fast path receives all one
965 * chunk */
966 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
967 uint32_t sctps_recvnocrc;
968 uint32_t sctps_recvswcrc;
969 uint32_t sctps_recvhwcrc;
970
971 /* output statistics: */
972 uint32_t sctps_sendpackets; /* total output packets */
973 uint32_t sctps_sendsacks; /* total output SACKs */
974 uint32_t sctps_senddata;/* total output DATA chunks */
975 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
976 * chunks */
977 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
978 * DATA chunks */
979 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
980 * more than once to same
981 * chunk (u-del multi-fr
982 * algo). */
983 uint32_t sctps_sendheartbeat; /* total output HB chunks */
984 uint32_t sctps_sendecne;/* total output ECNE chunks */
985 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
986 uint32_t sctps_senderrors; /* ip_output error counter */
987 uint32_t sctps_sendnocrc;
988 uint32_t sctps_sendswcrc;
989 uint32_t sctps_sendhwcrc;
990 /* PCKDROPREP statistics: */
991 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
992 uint32_t sctps_pdrpfehos; /* P-drop from end host */
993 uint32_t sctps_pdrpmbda;/* P-drops with data */
994 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
995 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
996 * only */
997 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
998 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
999 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
1000 * said break */
1001 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
1002 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
1003 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
1004 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
1005 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
1006 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
1007 /* timeouts */
1008 uint32_t sctps_timoiterator; /* Number of iterator timers that
1009 * fired */
1010 uint32_t sctps_timodata;/* Number of T3 data time outs */
1011 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
1012 * that fired */
1013 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
1014 uint32_t sctps_timosack;/* Number of sack timers that fired */
1015 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
1016 * fired */
1017 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
1018 * fired */
1019 uint32_t sctps_timocookie; /* Number of times a cookie timeout
1020 * fired */
1021 uint32_t sctps_timosecret; /* Number of times an endpoint changed
1022 * its cookie secret */
1023 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
1024 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
1025 * fired */
1026 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
1027 * timers that fired */
1028 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
1029 * fired */
1030 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
1031 * fired */
1032 uint32_t sctps_timoasconf; /* Number of times an asconf timer
1033 * fired */
1034 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
1035 * timer fired */
1036 uint32_t sctps_timoautoclose; /* Number of times auto close timer
1037 * fired */
1038 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
1039 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
1040 /* former early FR counters */
1041 uint32_t sctps_spare[11];
1042 /* others */
1043 uint32_t sctps_hdrops; /* packet shorter than header */
1044 uint32_t sctps_badsum; /* checksum error */
1045 uint32_t sctps_noport; /* no endpoint for port */
1046 uint32_t sctps_badvtag; /* bad v-tag */
1047 uint32_t sctps_badsid; /* bad SID */
1048 uint32_t sctps_nomem; /* no memory */
1049 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
1050 * RTT window */
1051 uint32_t sctps_markedretrans;
1052 uint32_t sctps_naglesent; /* nagle allowed sending */
1053 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */
1054 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */
1055 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
1056 * interface ring buffer OR we had a
1057 * send error and are queuing one
1058 * send. */
1059 uint32_t sctps_windowprobed; /* total number of window probes sent */
1060 uint32_t sctps_lowlevelerr; /* total times an output error causes
1061 * us to clamp down on next user send. */
1062 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
1063 * caused from a user send from a user
1064 * invoked send not a sack response */
1065 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
1066 * chunk limit reached */
1067 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
1068 * limit reached */
1069 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
1070 * cwnd */
1071 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
1072 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
1073 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
1074 * of user data on primary */
1075 uint32_t sctps_cmt_randry; /* Same for above */
1076 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
1077 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
1078 uint32_t sctps_sends_with_flags; /* number of sends with
1079 * sinfo_flags !=0 */
1080 uint32_t sctps_sends_with_unord; /* number of unordered sends */
1081 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
1082 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
1083 * flag set */
1084 uint32_t sctps_protocol_drain_calls; /* number of times protocol
1085 * drain called */
1086 uint32_t sctps_protocol_drains_done; /* number of times we did a
1087 * protocol drain */
1088 uint32_t sctps_read_peeks; /* Number of times recv was called
1089 * with peek */
1090 uint32_t sctps_cached_chk; /* Number of cached chunks used */
1091 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
1092 uint32_t sctps_left_abandon; /* Number of unread messages abandoned
1093 * by close */
1094 uint32_t sctps_send_burst_avoid; /* Unused */
1095 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
1096 * max burst inflight to net */
1097 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
1098 * fwd-tsn's */
1099 uint32_t sctps_queue_upd_ecne; /* Number of times we queued or
1100 * updated an ECN chunk on send queue */
1101 uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's
1102 * from here when adding new */
1103 };
1104
1105 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
1106 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
1107 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
1108 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
1109 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
1110 #else
1111 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
1112 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
1113 #endif
1114 /* The following macros are for handling MIB values, */
1115 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
1116 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
1117 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
1118 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
1119 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
1120 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
1121
1122 union sctp_sockstore {
1123 struct sockaddr_in sin;
1124 struct sockaddr_in6 sin6;
1125 struct sockaddr sa;
1126 };
1127
1128
1129 /***********************************/
1130 /* And something for us old timers */
1131 /***********************************/
1132
1133 #ifndef ntohll
1134 #include <sys/endian.h>
1135 #define ntohll(x) be64toh(x)
1136 #endif
1137
1138 #ifndef htonll
1139 #include <sys/endian.h>
1140 #define htonll(x) htobe64(x)
1141 #endif
1142 /***********************************/
1143
1144
1145 struct xsctp_inpcb {
1146 uint32_t last;
1147 uint32_t flags;
1148 uint64_t features;
1149 uint32_t total_sends;
1150 uint32_t total_recvs;
1151 uint32_t total_nospaces;
1152 uint32_t fragmentation_point;
1153 uint16_t local_port;
1154 uint16_t qlen;
1155 uint16_t maxqlen;
1156 uint32_t extra_padding[31]; /* future */
1157 };
1158
1159 struct xsctp_tcb {
1160 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
1161 uint32_t last;
1162 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
1163 uint32_t state; /* sctpAssocEntry 8 */
1164 uint32_t in_streams; /* sctpAssocEntry 9 */
1165 uint32_t out_streams; /* sctpAssocEntry 10 */
1166 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
1167 uint32_t primary_process; /* sctpAssocEntry 12 */
1168 uint32_t T1_expireries; /* sctpAssocEntry 13 */
1169 uint32_t T2_expireries; /* sctpAssocEntry 14 */
1170 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
1171 uint32_t total_sends;
1172 uint32_t total_recvs;
1173 uint32_t local_tag;
1174 uint32_t remote_tag;
1175 uint32_t initial_tsn;
1176 uint32_t highest_tsn;
1177 uint32_t cumulative_tsn;
1178 uint32_t cumulative_tsn_ack;
1179 uint32_t mtu;
1180 uint32_t refcnt;
1181 uint16_t local_port; /* sctpAssocEntry 3 */
1182 uint16_t remote_port; /* sctpAssocEntry 4 */
1183 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1184 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1185 uint32_t peers_rwnd;
1186 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */
1187 uint32_t extra_padding[32]; /* future */
1188 };
1189
1190 struct xsctp_laddr {
1191 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1192 uint32_t last;
1193 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1194 uint32_t extra_padding[32]; /* future */
1195 };
1196
1197 struct xsctp_raddr {
1198 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1199 uint32_t last;
1200 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1201 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1202 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1203 uint32_t error_counter; /* */
1204 uint32_t cwnd; /* */
1205 uint32_t flight_size; /* */
1206 uint32_t mtu; /* */
1207 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1208 uint8_t confirmed; /* */
1209 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1210 uint8_t potentially_failed;
1211 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1212 uint32_t rtt;
1213 uint32_t heartbeat_interval;
1214 uint32_t extra_padding[31]; /* future */
1215 };
1216
1217 #define SCTP_MAX_LOGGING_SIZE 30000
1218 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1219
1220 struct sctp_log_entry {
1221 uint64_t timestamp;
1222 uint32_t subsys;
1223 uint32_t padding;
1224 uint32_t params[SCTP_TRACE_PARAMS];
1225 };
1226
1227 struct sctp_log {
1228 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1229 uint32_t index;
1230 uint32_t padding;
1231 };
1232
1233 /*
1234 * Kernel defined for sctp_send
1235 */
1236 #if defined(_KERNEL) || defined(__Userspace__)
1237 int
1238 sctp_lower_sosend(struct socket *so,
1239 struct sockaddr *addr,
1240 struct uio *uio,
1241 struct mbuf *i_pak,
1242 struct mbuf *control,
1243 int flags,
1244 struct sctp_sndrcvinfo *srcv
1245 ,struct thread *p
1246 );
1247
1248 int
1249 sctp_sorecvmsg(struct socket *so,
1250 struct uio *uio,
1251 struct mbuf **mp,
1252 struct sockaddr *from,
1253 int fromlen,
1254 int *msg_flags,
1255 struct sctp_sndrcvinfo *sinfo,
1256 int filling_sinfo);
1257
1258 #endif
1259
1260 /*
1261 * API system calls
1262 */
1263 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
1264
1265 __BEGIN_DECLS
1266 int sctp_peeloff(int, sctp_assoc_t);
1267 int sctp_bindx(int, struct sockaddr *, int, int);
1268 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *);
1269 int sctp_getaddrlen(sa_family_t);
1270 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
1271 void sctp_freepaddrs(struct sockaddr *);
1272 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
1273 void sctp_freeladdrs(struct sockaddr *);
1274 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
1275
1276 /* deprecated */
1277 ssize_t
1278 sctp_sendmsg(int, const void *, size_t, const struct sockaddr *,
1279 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1280
1281 /* deprecated */
1282 ssize_t
1283 sctp_send(int, const void *, size_t,
1284 const struct sctp_sndrcvinfo *, int);
1285
1286 /* deprecated */
1287 ssize_t
1288 sctp_sendx(int, const void *, size_t, struct sockaddr *,
1289 int, struct sctp_sndrcvinfo *, int);
1290
1291 /* deprecated */
1292 ssize_t
1293 sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *,
1294 int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1295
1296 sctp_assoc_t sctp_getassocid(int, struct sockaddr *);
1297
1298 /* deprecated */
1299 ssize_t
1300 sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *,
1301 struct sctp_sndrcvinfo *, int *);
1302
1303 ssize_t
1304 sctp_sendv(int, const struct iovec *, int, struct sockaddr *,
1305 int, void *, socklen_t, unsigned int, int);
1306
1307 ssize_t
1308 sctp_recvv(int, const struct iovec *, int, struct sockaddr *,
1309 socklen_t *, void *, socklen_t *, unsigned int *, int *);
1310
1311 __END_DECLS
1312
1313 #endif /* !_KERNEL */
1314 #endif /* !__sctp_uio_h__ */
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