1 /*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
13 *
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: releng/8.0/sys/netinet/sctp_uio.h 195904 2009-07-27 12:09:32Z tuexen $");
34
35 #ifndef __sctp_uio_h__
36 #define __sctp_uio_h__
37
38
39 #if ! defined(_KERNEL)
40 #include <stdint.h>
41 #endif
42 #include <sys/types.h>
43 #include <sys/socket.h>
44 #include <netinet/in.h>
45
46 typedef uint32_t sctp_assoc_t;
47
48 /* On/Off setup for subscription to events */
49 struct sctp_event_subscribe {
50 uint8_t sctp_data_io_event;
51 uint8_t sctp_association_event;
52 uint8_t sctp_address_event;
53 uint8_t sctp_send_failure_event;
54 uint8_t sctp_peer_error_event;
55 uint8_t sctp_shutdown_event;
56 uint8_t sctp_partial_delivery_event;
57 uint8_t sctp_adaptation_layer_event;
58 uint8_t sctp_authentication_event;
59 uint8_t sctp_sender_dry_event;
60 uint8_t sctp_stream_reset_events;
61 };
62
63 /* ancillary data types */
64 #define SCTP_INIT 0x0001
65 #define SCTP_SNDRCV 0x0002
66 #define SCTP_EXTRCV 0x0003
67 /*
68 * ancillary data structures
69 */
70 struct sctp_initmsg {
71 uint16_t sinit_num_ostreams;
72 uint16_t sinit_max_instreams;
73 uint16_t sinit_max_attempts;
74 uint16_t sinit_max_init_timeo;
75 };
76
77 /* We add 96 bytes to the size of sctp_sndrcvinfo.
78 * This makes the current structure 128 bytes long
79 * which is nicely 64 bit aligned but also has room
80 * for us to add more and keep ABI compatability.
81 * For example, already we have the sctp_extrcvinfo
82 * when enabled which is 48 bytes.
83 */
84
85 /*
86 * The assoc up needs a verfid
87 * all sendrcvinfo's need a verfid for SENDING only.
88 */
89
90
91 #define SCTP_ALIGN_RESV_PAD 96
92 #define SCTP_ALIGN_RESV_PAD_SHORT 80
93
94 struct sctp_sndrcvinfo {
95 uint16_t sinfo_stream;
96 uint16_t sinfo_ssn;
97 uint16_t sinfo_flags;
98 uint32_t sinfo_ppid;
99 uint32_t sinfo_context;
100 uint32_t sinfo_timetolive;
101 uint32_t sinfo_tsn;
102 uint32_t sinfo_cumtsn;
103 sctp_assoc_t sinfo_assoc_id;
104 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
105 };
106
107 struct sctp_extrcvinfo {
108 uint16_t sinfo_stream;
109 uint16_t sinfo_ssn;
110 uint16_t sinfo_flags;
111 uint16_t sinfo_pr_policy;
112 uint32_t sinfo_ppid;
113 uint32_t sinfo_context;
114 uint32_t sinfo_timetolive;
115 uint32_t sinfo_tsn;
116 uint32_t sinfo_cumtsn;
117 sctp_assoc_t sinfo_assoc_id;
118 uint16_t sreinfo_next_flags;
119 uint16_t sreinfo_next_stream;
120 uint32_t sreinfo_next_aid;
121 uint32_t sreinfo_next_length;
122 uint32_t sreinfo_next_ppid;
123 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
124 };
125
126 #define SCTP_NO_NEXT_MSG 0x0000
127 #define SCTP_NEXT_MSG_AVAIL 0x0001
128 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
129 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
130 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
131
132 struct sctp_snd_all_completes {
133 uint16_t sall_stream;
134 uint16_t sall_flags;
135 uint32_t sall_ppid;
136 uint32_t sall_context;
137 uint32_t sall_num_sent;
138 uint32_t sall_num_failed;
139 };
140
141 /* Flags that go into the sinfo->sinfo_flags field */
142 #define SCTP_EOF 0x0100 /* Start shutdown procedures */
143 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */
144 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */
145 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */
146 #define SCTP_SENDALL 0x1000 /* Send this on all associations */
147 #define SCTP_EOR 0x2000 /* end of message signal */
148 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
149
150 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
151 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
152 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
153 SCTP_SACK_IMMEDIATELY)) != 0)
154 /* for the endpoint */
155
156 /* The lower byte is an enumeration of PR-SCTP policies */
157 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
158 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
159 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
160
161 #define PR_SCTP_POLICY(x) ((x) & 0xff)
162 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
163 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
164 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
165 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
166 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
167 /* Stat's */
168 struct sctp_pcbinfo {
169 uint32_t ep_count;
170 uint32_t asoc_count;
171 uint32_t laddr_count;
172 uint32_t raddr_count;
173 uint32_t chk_count;
174 uint32_t readq_count;
175 uint32_t free_chunks;
176 uint32_t stream_oque;
177 };
178
179 struct sctp_sockstat {
180 sctp_assoc_t ss_assoc_id;
181 uint32_t ss_total_sndbuf;
182 uint32_t ss_total_recv_buf;
183 };
184
185 /*
186 * notification event structures
187 */
188
189 /*
190 * association change event
191 */
192 struct sctp_assoc_change {
193 uint16_t sac_type;
194 uint16_t sac_flags;
195 uint32_t sac_length;
196 uint16_t sac_state;
197 uint16_t sac_error;
198 uint16_t sac_outbound_streams;
199 uint16_t sac_inbound_streams;
200 sctp_assoc_t sac_assoc_id;
201 };
202
203 /* sac_state values */
204 #define SCTP_COMM_UP 0x0001
205 #define SCTP_COMM_LOST 0x0002
206 #define SCTP_RESTART 0x0003
207 #define SCTP_SHUTDOWN_COMP 0x0004
208 #define SCTP_CANT_STR_ASSOC 0x0005
209
210
211 /*
212 * Address event
213 */
214 struct sctp_paddr_change {
215 uint16_t spc_type;
216 uint16_t spc_flags;
217 uint32_t spc_length;
218 struct sockaddr_storage spc_aaddr;
219 uint32_t spc_state;
220 uint32_t spc_error;
221 sctp_assoc_t spc_assoc_id;
222 uint8_t spc_padding[4];
223 };
224
225 /* paddr state values */
226 #define SCTP_ADDR_AVAILABLE 0x0001
227 #define SCTP_ADDR_UNREACHABLE 0x0002
228 #define SCTP_ADDR_REMOVED 0x0003
229 #define SCTP_ADDR_ADDED 0x0004
230 #define SCTP_ADDR_MADE_PRIM 0x0005
231 #define SCTP_ADDR_CONFIRMED 0x0006
232
233 /*
234 * CAUTION: these are user exposed SCTP addr reachability states must be
235 * compatible with SCTP_ADDR states in sctp_constants.h
236 */
237 #ifdef SCTP_ACTIVE
238 #undef SCTP_ACTIVE
239 #endif
240 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
241
242 #ifdef SCTP_INACTIVE
243 #undef SCTP_INACTIVE
244 #endif
245 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
246
247 #ifdef SCTP_UNCONFIRMED
248 #undef SCTP_UNCONFIRMED
249 #endif
250 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
251
252 #ifdef SCTP_NOHEARTBEAT
253 #undef SCTP_NOHEARTBEAT
254 #endif
255 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
256
257
258 /* remote error events */
259 struct sctp_remote_error {
260 uint16_t sre_type;
261 uint16_t sre_flags;
262 uint32_t sre_length;
263 uint16_t sre_error;
264 sctp_assoc_t sre_assoc_id;
265 uint8_t sre_data[4];
266 };
267
268 /* data send failure event */
269 struct sctp_send_failed {
270 uint16_t ssf_type;
271 uint16_t ssf_flags;
272 uint32_t ssf_length;
273 uint32_t ssf_error;
274 struct sctp_sndrcvinfo ssf_info;
275 sctp_assoc_t ssf_assoc_id;
276 uint8_t ssf_data[0];
277 };
278
279 /* flag that indicates state of data */
280 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
281 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
282
283 /* shutdown event */
284 struct sctp_shutdown_event {
285 uint16_t sse_type;
286 uint16_t sse_flags;
287 uint32_t sse_length;
288 sctp_assoc_t sse_assoc_id;
289 };
290
291 /* Adaptation layer indication stuff */
292 struct sctp_adaptation_event {
293 uint16_t sai_type;
294 uint16_t sai_flags;
295 uint32_t sai_length;
296 uint32_t sai_adaptation_ind;
297 sctp_assoc_t sai_assoc_id;
298 };
299
300 struct sctp_setadaptation {
301 uint32_t ssb_adaptation_ind;
302 };
303
304 /* compatable old spelling */
305 struct sctp_adaption_event {
306 uint16_t sai_type;
307 uint16_t sai_flags;
308 uint32_t sai_length;
309 uint32_t sai_adaption_ind;
310 sctp_assoc_t sai_assoc_id;
311 };
312
313 struct sctp_setadaption {
314 uint32_t ssb_adaption_ind;
315 };
316
317
318 /*
319 * Partial Delivery API event
320 */
321 struct sctp_pdapi_event {
322 uint16_t pdapi_type;
323 uint16_t pdapi_flags;
324 uint32_t pdapi_length;
325 uint32_t pdapi_indication;
326 uint16_t pdapi_stream;
327 uint16_t pdapi_seq;
328 sctp_assoc_t pdapi_assoc_id;
329 };
330
331 /* indication values */
332 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
333
334
335 /*
336 * authentication key event
337 */
338 struct sctp_authkey_event {
339 uint16_t auth_type;
340 uint16_t auth_flags;
341 uint32_t auth_length;
342 uint16_t auth_keynumber;
343 uint16_t auth_altkeynumber;
344 uint32_t auth_indication;
345 sctp_assoc_t auth_assoc_id;
346 };
347
348 /* indication values */
349 #define SCTP_AUTH_NEWKEY 0x0001
350 #define SCTP_AUTH_NO_AUTH 0x0002
351 #define SCTP_AUTH_FREE_KEY 0x0003
352
353
354 struct sctp_sender_dry_event {
355 uint16_t sender_dry_type;
356 uint16_t sender_dry_flags;
357 uint32_t sender_dry_length;
358 sctp_assoc_t sender_dry_assoc_id;
359 };
360
361
362 /*
363 * stream reset event
364 */
365 struct sctp_stream_reset_event {
366 uint16_t strreset_type;
367 uint16_t strreset_flags;
368 uint32_t strreset_length;
369 sctp_assoc_t strreset_assoc_id;
370 uint16_t strreset_list[0];
371 };
372
373 /* flags in strreset_flags field */
374 #define SCTP_STRRESET_INBOUND_STR 0x0001
375 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
376 #define SCTP_STRRESET_ALL_STREAMS 0x0004
377 #define SCTP_STRRESET_STREAM_LIST 0x0008
378 #define SCTP_STRRESET_FAILED 0x0010
379 #define SCTP_STRRESET_ADD_STREAM 0x0020
380
381 /* SCTP notification event */
382 struct sctp_tlv {
383 uint16_t sn_type;
384 uint16_t sn_flags;
385 uint32_t sn_length;
386 };
387
388 union sctp_notification {
389 struct sctp_tlv sn_header;
390 struct sctp_assoc_change sn_assoc_change;
391 struct sctp_paddr_change sn_paddr_change;
392 struct sctp_remote_error sn_remote_error;
393 struct sctp_send_failed sn_send_failed;
394 struct sctp_shutdown_event sn_shutdown_event;
395 struct sctp_adaptation_event sn_adaptation_event;
396 /* compatability same as above */
397 struct sctp_adaption_event sn_adaption_event;
398 struct sctp_pdapi_event sn_pdapi_event;
399 struct sctp_authkey_event sn_auth_event;
400 struct sctp_sender_dry_event sn_sender_dry_event;
401 struct sctp_stream_reset_event sn_strreset_event;
402 };
403
404 /* notification types */
405 #define SCTP_ASSOC_CHANGE 0x0001
406 #define SCTP_PEER_ADDR_CHANGE 0x0002
407 #define SCTP_REMOTE_ERROR 0x0003
408 #define SCTP_SEND_FAILED 0x0004
409 #define SCTP_SHUTDOWN_EVENT 0x0005
410 #define SCTP_ADAPTATION_INDICATION 0x0006
411 /* same as above */
412 #define SCTP_ADAPTION_INDICATION 0x0006
413 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
414 #define SCTP_AUTHENTICATION_EVENT 0x0008
415 #define SCTP_STREAM_RESET_EVENT 0x0009
416 #define SCTP_SENDER_DRY_EVENT 0x000a
417
418 /*
419 * socket option structs
420 */
421
422 struct sctp_paddrparams {
423 struct sockaddr_storage spp_address;
424 sctp_assoc_t spp_assoc_id;
425 uint32_t spp_hbinterval;
426 uint32_t spp_pathmtu;
427 uint32_t spp_flags;
428 uint32_t spp_ipv6_flowlabel;
429 uint16_t spp_pathmaxrxt;
430 uint8_t spp_ipv4_tos;
431 };
432
433 #define SPP_HB_ENABLE 0x00000001
434 #define SPP_HB_DISABLE 0x00000002
435 #define SPP_HB_DEMAND 0x00000004
436 #define SPP_PMTUD_ENABLE 0x00000008
437 #define SPP_PMTUD_DISABLE 0x00000010
438 #define SPP_HB_TIME_IS_ZERO 0x00000080
439 #define SPP_IPV6_FLOWLABEL 0x00000100
440 #define SPP_IPV4_TOS 0x00000200
441
442 struct sctp_paddrinfo {
443 struct sockaddr_storage spinfo_address;
444 sctp_assoc_t spinfo_assoc_id;
445 int32_t spinfo_state;
446 uint32_t spinfo_cwnd;
447 uint32_t spinfo_srtt;
448 uint32_t spinfo_rto;
449 uint32_t spinfo_mtu;
450 };
451
452 struct sctp_rtoinfo {
453 sctp_assoc_t srto_assoc_id;
454 uint32_t srto_initial;
455 uint32_t srto_max;
456 uint32_t srto_min;
457 };
458
459 struct sctp_assocparams {
460 sctp_assoc_t sasoc_assoc_id;
461 uint32_t sasoc_peer_rwnd;
462 uint32_t sasoc_local_rwnd;
463 uint32_t sasoc_cookie_life;
464 uint16_t sasoc_asocmaxrxt;
465 uint16_t sasoc_number_peer_destinations;
466 };
467
468 struct sctp_setprim {
469 struct sockaddr_storage ssp_addr;
470 sctp_assoc_t ssp_assoc_id;
471 uint8_t ssp_padding[4];
472 };
473
474 struct sctp_setpeerprim {
475 struct sockaddr_storage sspp_addr;
476 sctp_assoc_t sspp_assoc_id;
477 uint8_t sspp_padding[4];
478 };
479
480 struct sctp_getaddresses {
481 sctp_assoc_t sget_assoc_id;
482 /* addr is filled in for N * sockaddr_storage */
483 struct sockaddr addr[1];
484 };
485
486 struct sctp_setstrm_timeout {
487 sctp_assoc_t ssto_assoc_id;
488 uint32_t ssto_timeout;
489 uint32_t ssto_streamid_start;
490 uint32_t ssto_streamid_end;
491 };
492
493 struct sctp_status {
494 sctp_assoc_t sstat_assoc_id;
495 int32_t sstat_state;
496 uint32_t sstat_rwnd;
497 uint16_t sstat_unackdata;
498 uint16_t sstat_penddata;
499 uint16_t sstat_instrms;
500 uint16_t sstat_outstrms;
501 uint32_t sstat_fragmentation_point;
502 struct sctp_paddrinfo sstat_primary;
503 };
504
505 /*
506 * AUTHENTICATION support
507 */
508 /* SCTP_AUTH_CHUNK */
509 struct sctp_authchunk {
510 uint8_t sauth_chunk;
511 };
512
513 /* SCTP_AUTH_KEY */
514 struct sctp_authkey {
515 sctp_assoc_t sca_assoc_id;
516 uint16_t sca_keynumber;
517 uint8_t sca_key[0];
518 };
519
520 /* SCTP_HMAC_IDENT */
521 struct sctp_hmacalgo {
522 uint32_t shmac_number_of_idents;
523 uint16_t shmac_idents[0];
524 };
525
526 /* AUTH hmac_id */
527 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
528 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
529 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */
530 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
531 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004
532 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005
533 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006
534
535
536 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
537 struct sctp_authkeyid {
538 sctp_assoc_t scact_assoc_id;
539 uint16_t scact_keynumber;
540 };
541
542 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
543 struct sctp_authchunks {
544 sctp_assoc_t gauth_assoc_id;
545 uint8_t gauth_chunks[0];
546 };
547
548 struct sctp_assoc_value {
549 sctp_assoc_t assoc_id;
550 uint32_t assoc_value;
551 };
552
553 struct sctp_assoc_ids {
554 uint32_t gaids_number_of_ids;
555 sctp_assoc_t gaids_assoc_id[0];
556 };
557
558 struct sctp_sack_info {
559 sctp_assoc_t sack_assoc_id;
560 uint32_t sack_delay;
561 uint32_t sack_freq;
562 };
563
564 struct sctp_cwnd_args {
565 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
566 uint32_t cwnd_new_value;/* cwnd in k */
567 uint32_t pseudo_cumack;
568 uint16_t inflight; /* flightsize in k */
569 uint16_t cwnd_augment; /* increment to it */
570 uint8_t meets_pseudo_cumack;
571 uint8_t need_new_pseudo_cumack;
572 uint8_t cnt_in_send;
573 uint8_t cnt_in_str;
574 };
575
576 struct sctp_blk_args {
577 uint32_t onsb; /* in 1k bytes */
578 uint32_t sndlen; /* len of send being attempted */
579 uint32_t peer_rwnd; /* rwnd of peer */
580 uint16_t send_sent_qcnt;/* chnk cnt */
581 uint16_t stream_qcnt; /* chnk cnt */
582 uint16_t chunks_on_oque;/* chunks out */
583 uint16_t flight_size; /* flight size in k */
584 };
585
586 /*
587 * Max we can reset in one setting, note this is dictated not by the define
588 * but the size of a mbuf cluster so don't change this define and think you
589 * can specify more. You must do multiple resets if you want to reset more
590 * than SCTP_MAX_EXPLICIT_STR_RESET.
591 */
592 #define SCTP_MAX_EXPLICT_STR_RESET 1000
593
594 #define SCTP_RESET_LOCAL_RECV 0x0001
595 #define SCTP_RESET_LOCAL_SEND 0x0002
596 #define SCTP_RESET_BOTH 0x0003
597 #define SCTP_RESET_TSN 0x0004
598 #define SCTP_RESET_ADD_STREAMS 0x0005
599
600 struct sctp_stream_reset {
601 sctp_assoc_t strrst_assoc_id;
602 uint16_t strrst_flags;
603 uint16_t strrst_num_streams; /* 0 == ALL */
604 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
605 };
606
607
608 struct sctp_get_nonce_values {
609 sctp_assoc_t gn_assoc_id;
610 uint32_t gn_peers_tag;
611 uint32_t gn_local_tag;
612 };
613
614 /* Debugging logs */
615 struct sctp_str_log {
616 void *stcb; /* FIXME: LP64 issue */
617 uint32_t n_tsn;
618 uint32_t e_tsn;
619 uint16_t n_sseq;
620 uint16_t e_sseq;
621 uint16_t strm;
622 };
623
624 struct sctp_sb_log {
625 void *stcb; /* FIXME: LP64 issue */
626 uint32_t so_sbcc;
627 uint32_t stcb_sbcc;
628 uint32_t incr;
629 };
630
631 struct sctp_fr_log {
632 uint32_t largest_tsn;
633 uint32_t largest_new_tsn;
634 uint32_t tsn;
635 };
636
637 struct sctp_fr_map {
638 uint32_t base;
639 uint32_t cum;
640 uint32_t high;
641 };
642
643 struct sctp_rwnd_log {
644 uint32_t rwnd;
645 uint32_t send_size;
646 uint32_t overhead;
647 uint32_t new_rwnd;
648 };
649
650 struct sctp_mbcnt_log {
651 uint32_t total_queue_size;
652 uint32_t size_change;
653 uint32_t total_queue_mb_size;
654 uint32_t mbcnt_change;
655 };
656
657 struct sctp_sack_log {
658 uint32_t cumack;
659 uint32_t oldcumack;
660 uint32_t tsn;
661 uint16_t numGaps;
662 uint16_t numDups;
663 };
664
665 struct sctp_lock_log {
666 void *sock; /* FIXME: LP64 issue */
667 void *inp; /* FIXME: LP64 issue */
668 uint8_t tcb_lock;
669 uint8_t inp_lock;
670 uint8_t info_lock;
671 uint8_t sock_lock;
672 uint8_t sockrcvbuf_lock;
673 uint8_t socksndbuf_lock;
674 uint8_t create_lock;
675 uint8_t resv;
676 };
677
678 struct sctp_rto_log {
679 void *net; /* FIXME: LP64 issue */
680 uint32_t rtt;
681 };
682
683 struct sctp_nagle_log {
684 void *stcb; /* FIXME: LP64 issue */
685 uint32_t total_flight;
686 uint32_t total_in_queue;
687 uint16_t count_in_queue;
688 uint16_t count_in_flight;
689 };
690
691 struct sctp_sbwake_log {
692 void *stcb; /* FIXME: LP64 issue */
693 uint16_t send_q;
694 uint16_t sent_q;
695 uint16_t flight;
696 uint16_t wake_cnt;
697 uint8_t stream_qcnt; /* chnk cnt */
698 uint8_t chunks_on_oque; /* chunks out */
699 uint8_t sbflags;
700 uint8_t sctpflags;
701 };
702
703 struct sctp_misc_info {
704 uint32_t log1;
705 uint32_t log2;
706 uint32_t log3;
707 uint32_t log4;
708 };
709
710 struct sctp_log_closing {
711 void *inp; /* FIXME: LP64 issue */
712 void *stcb; /* FIXME: LP64 issue */
713 uint32_t sctp_flags;
714 uint16_t state;
715 int16_t loc;
716 };
717
718 struct sctp_mbuf_log {
719 struct mbuf *mp; /* FIXME: LP64 issue */
720 caddr_t ext;
721 caddr_t data;
722 uint16_t size;
723 uint8_t refcnt;
724 uint8_t mbuf_flags;
725 };
726
727 struct sctp_cwnd_log {
728 uint64_t time_event;
729 uint8_t from;
730 uint8_t event_type;
731 uint8_t resv[2];
732 union {
733 struct sctp_log_closing close;
734 struct sctp_blk_args blk;
735 struct sctp_cwnd_args cwnd;
736 struct sctp_str_log strlog;
737 struct sctp_fr_log fr;
738 struct sctp_fr_map map;
739 struct sctp_rwnd_log rwnd;
740 struct sctp_mbcnt_log mbcnt;
741 struct sctp_sack_log sack;
742 struct sctp_lock_log lock;
743 struct sctp_rto_log rto;
744 struct sctp_sb_log sb;
745 struct sctp_nagle_log nagle;
746 struct sctp_sbwake_log wake;
747 struct sctp_mbuf_log mb;
748 struct sctp_misc_info misc;
749 } x;
750 };
751
752 struct sctp_cwnd_log_req {
753 int32_t num_in_log; /* Number in log */
754 int32_t num_ret; /* Number returned */
755 int32_t start_at; /* start at this one */
756 int32_t end_at; /* end at this one */
757 struct sctp_cwnd_log log[0];
758 };
759
760 struct sctp_timeval {
761 uint32_t tv_sec;
762 uint32_t tv_usec;
763 };
764
765 struct sctpstat {
766 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
767 * (TimeStamp) */
768 /* MIB according to RFC 3873 */
769 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
770 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
771 uint32_t sctps_restartestab;
772 uint32_t sctps_collisionestab;
773 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
774 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
775 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
776 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
777 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
778 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
779 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
780 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
781 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
782 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
783 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
784 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
785 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
786 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
787 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
788
789 /* input statistics: */
790 uint32_t sctps_recvpackets; /* total input packets */
791 uint32_t sctps_recvdatagrams; /* total input datagrams */
792 uint32_t sctps_recvpktwithdata; /* total packets that had data */
793 uint32_t sctps_recvsacks; /* total input SACK chunks */
794 uint32_t sctps_recvdata;/* total input DATA chunks */
795 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
796 uint32_t sctps_recvheartbeat; /* total input HB chunks */
797 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
798 uint32_t sctps_recvecne;/* total input ECNE chunks */
799 uint32_t sctps_recvauth;/* total input AUTH chunks */
800 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
801 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
802 * received */
803 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
804 * received */
805 uint32_t sctps_recvauthfailed; /* total number of auth failed */
806 uint32_t sctps_recvexpress; /* total fast path receives all one
807 * chunk */
808 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
809 uint32_t sctps_recvnocrc;
810 uint32_t sctps_recvswcrc;
811 uint32_t sctps_recvhwcrc;
812
813 /* output statistics: */
814 uint32_t sctps_sendpackets; /* total output packets */
815 uint32_t sctps_sendsacks; /* total output SACKs */
816 uint32_t sctps_senddata;/* total output DATA chunks */
817 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
818 * chunks */
819 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
820 * DATA chunks */
821 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
822 * more than once to same
823 * chunk (u-del multi-fr
824 * algo). */
825 uint32_t sctps_sendheartbeat; /* total output HB chunks */
826 uint32_t sctps_sendecne;/* total output ECNE chunks */
827 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
828 uint32_t sctps_senderrors; /* ip_output error counter */
829 uint32_t sctps_sendnocrc;
830 uint32_t sctps_sendswcrc;
831 uint32_t sctps_sendhwcrc;
832 /* PCKDROPREP statistics: */
833 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
834 uint32_t sctps_pdrpfehos; /* P-drop from end host */
835 uint32_t sctps_pdrpmbda;/* P-drops with data */
836 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
837 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
838 * only */
839 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
840 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
841 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
842 * said break */
843 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
844 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
845 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
846 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
847 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
848 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
849 /* timeouts */
850 uint32_t sctps_timoiterator; /* Number of iterator timers that
851 * fired */
852 uint32_t sctps_timodata;/* Number of T3 data time outs */
853 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
854 * that fired */
855 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
856 uint32_t sctps_timosack;/* Number of sack timers that fired */
857 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
858 * fired */
859 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
860 * fired */
861 uint32_t sctps_timocookie; /* Number of times a cookie timeout
862 * fired */
863 uint32_t sctps_timosecret; /* Number of times an endpoint changed
864 * its cookie secret */
865 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
866 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
867 * fired */
868 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
869 * timers that fired */
870 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
871 * fired */
872 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
873 * fired */
874 uint32_t sctps_timoasconf; /* Number of times an asconf timer
875 * fired */
876 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
877 * timer fired */
878 uint32_t sctps_timoautoclose; /* Number of times auto close timer
879 * fired */
880 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
881 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
882 /* Early fast retransmission counters */
883 uint32_t sctps_earlyfrstart;
884 uint32_t sctps_earlyfrstop;
885 uint32_t sctps_earlyfrmrkretrans;
886 uint32_t sctps_earlyfrstpout;
887 uint32_t sctps_earlyfrstpidsck1;
888 uint32_t sctps_earlyfrstpidsck2;
889 uint32_t sctps_earlyfrstpidsck3;
890 uint32_t sctps_earlyfrstpidsck4;
891 uint32_t sctps_earlyfrstrid;
892 uint32_t sctps_earlyfrstrout;
893 uint32_t sctps_earlyfrstrtmr;
894 /* otheres */
895 uint32_t sctps_hdrops; /* packet shorter than header */
896 uint32_t sctps_badsum; /* checksum error */
897 uint32_t sctps_noport; /* no endpoint for port */
898 uint32_t sctps_badvtag; /* bad v-tag */
899 uint32_t sctps_badsid; /* bad SID */
900 uint32_t sctps_nomem; /* no memory */
901 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
902 * RTT window */
903 uint32_t sctps_markedretrans;
904 uint32_t sctps_naglesent; /* nagle allowed sending */
905 uint32_t sctps_naglequeued; /* nagle does't allow sending */
906 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */
907 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
908 * interface ring buffer OR we had a
909 * send error and are queuing one
910 * send. */
911 uint32_t sctps_windowprobed; /* total number of window probes sent */
912 uint32_t sctps_lowlevelerr; /* total times an output error causes
913 * us to clamp down on next user send. */
914 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
915 * caused from a user send from a user
916 * invoked send not a sack response */
917 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
918 * chunk limit reached */
919 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
920 * limit reached */
921 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
922 * cwnd */
923 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
924 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
925 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
926 * of user data on primary */
927 uint32_t sctps_cmt_randry; /* Same for above */
928 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
929 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
930 uint32_t sctps_sends_with_flags; /* number of sends with
931 * sinfo_flags !=0 */
932 uint32_t sctps_sends_with_unord /* number of undordered sends */ ;
933 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
934 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
935 * flag set */
936 uint32_t sctps_protocol_drain_calls; /* number of times protocol
937 * drain called */
938 uint32_t sctps_protocol_drains_done; /* number of times we did a
939 * protocol drain */
940 uint32_t sctps_read_peeks; /* Number of times recv was called
941 * with peek */
942 uint32_t sctps_cached_chk; /* Number of cached chunks used */
943 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
944 uint32_t sctps_left_abandon; /* Number of unread message abandonded
945 * by close */
946 uint32_t sctps_send_burst_avoid; /* Unused */
947 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
948 * max burst inflight to net */
949 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
950 * fwd-tsn's */
951
952 uint32_t sctps_reserved[32]; /* Future ABI compat - remove int's
953 * from here when adding new */
954 };
955
956 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
957 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
958 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
959 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
960
961 /* The following macros are for handling MIB values, */
962 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
963 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
964 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
965 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
966 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
967 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
968
969 union sctp_sockstore {
970 #if defined(INET) || !defined(_KERNEL)
971 struct sockaddr_in sin;
972 #endif
973 #if defined(INET6) || !defined(_KERNEL)
974 struct sockaddr_in6 sin6;
975 #endif
976 struct sockaddr sa;
977 };
978
979 struct xsctp_inpcb {
980 uint32_t last;
981 uint32_t flags;
982 uint32_t features;
983 uint32_t total_sends;
984 uint32_t total_recvs;
985 uint32_t total_nospaces;
986 uint32_t fragmentation_point;
987 uint16_t local_port;
988 uint16_t qlen;
989 uint16_t maxqlen;
990 uint32_t extra_padding[32]; /* future */
991 };
992
993 struct xsctp_tcb {
994 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
995 uint32_t last;
996 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
997 uint32_t state; /* sctpAssocEntry 8 */
998 uint32_t in_streams; /* sctpAssocEntry 9 */
999 uint32_t out_streams; /* sctpAssocEntry 10 */
1000 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
1001 uint32_t primary_process; /* sctpAssocEntry 12 */
1002 uint32_t T1_expireries; /* sctpAssocEntry 13 */
1003 uint32_t T2_expireries; /* sctpAssocEntry 14 */
1004 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
1005 uint32_t total_sends;
1006 uint32_t total_recvs;
1007 uint32_t local_tag;
1008 uint32_t remote_tag;
1009 uint32_t initial_tsn;
1010 uint32_t highest_tsn;
1011 uint32_t cumulative_tsn;
1012 uint32_t cumulative_tsn_ack;
1013 uint32_t mtu;
1014 uint32_t refcnt;
1015 uint16_t local_port; /* sctpAssocEntry 3 */
1016 uint16_t remote_port; /* sctpAssocEntry 4 */
1017 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1018 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1019 uint32_t peers_rwnd;
1020 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */
1021 uint32_t extra_padding[32]; /* future */
1022 };
1023
1024 struct xsctp_laddr {
1025 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1026 uint32_t last;
1027 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1028 uint32_t extra_padding[32]; /* future */
1029 };
1030
1031 struct xsctp_raddr {
1032 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1033 uint32_t last;
1034 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1035 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1036 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1037 uint32_t error_counter; /* */
1038 uint32_t cwnd; /* */
1039 uint32_t flight_size; /* */
1040 uint32_t mtu; /* */
1041 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1042 uint8_t confirmed; /* */
1043 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1044 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1045 uint32_t rtt;
1046 uint32_t extra_padding[32]; /* future */
1047 };
1048
1049 #define SCTP_MAX_LOGGING_SIZE 30000
1050 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1051
1052 struct sctp_log_entry {
1053 uint64_t timestamp;
1054 uint32_t subsys;
1055 uint32_t padding;
1056 uint32_t params[SCTP_TRACE_PARAMS];
1057 };
1058
1059 struct sctp_log {
1060 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1061 uint32_t index;
1062 uint32_t padding;
1063 };
1064
1065 /*
1066 * Kernel defined for sctp_send
1067 */
1068 #if defined(_KERNEL) || defined(__Userspace__)
1069 int
1070 sctp_lower_sosend(struct socket *so,
1071 struct sockaddr *addr,
1072 struct uio *uio,
1073 struct mbuf *i_pak,
1074 struct mbuf *control,
1075 int flags,
1076 int use_rcvinfo,
1077 struct sctp_sndrcvinfo *srcv
1078 ,struct thread *p
1079 );
1080
1081 int
1082 sctp_sorecvmsg(struct socket *so,
1083 struct uio *uio,
1084 struct mbuf **mp,
1085 struct sockaddr *from,
1086 int fromlen,
1087 int *msg_flags,
1088 struct sctp_sndrcvinfo *sinfo,
1089 int filling_sinfo);
1090
1091 #endif
1092
1093 /*
1094 * API system calls
1095 */
1096 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
1097
1098 __BEGIN_DECLS
1099 int sctp_peeloff __P((int, sctp_assoc_t));
1100 int sctp_bindx __P((int, struct sockaddr *, int, int));
1101 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1102 int sctp_getaddrlen __P((sa_family_t));
1103 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1104 void sctp_freepaddrs __P((struct sockaddr *));
1105 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1106 void sctp_freeladdrs __P((struct sockaddr *));
1107 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1108
1109 ssize_t sctp_sendmsg
1110 __P((int, const void *, size_t,
1111 const struct sockaddr *,
1112 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1113
1114 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1115 const struct sctp_sndrcvinfo *sinfo, int flags));
1116
1117 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len,
1118 struct sockaddr *addrs, int addrcnt,
1119 struct sctp_sndrcvinfo *sinfo, int flags));
1120
1121 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t,
1122 struct sockaddr *, int,
1123 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1124
1125 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa));
1126
1127 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1128 socklen_t *, struct sctp_sndrcvinfo *, int *));
1129
1130 __END_DECLS
1131
1132 #endif /* !_KERNEL */
1133 #endif /* !__sctp_uio_h__ */
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