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