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/8.1/sys/netinet/sctp_uio.h 206741 2010-04-17 04:13:52Z rrs $");
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 /* Compatibility to previous define's */
49 #define sctp_stream_reset_events sctp_stream_reset_event
50
51 /* On/Off setup for subscription to events */
52 struct sctp_event_subscribe {
53 uint8_t sctp_data_io_event;
54 uint8_t sctp_association_event;
55 uint8_t sctp_address_event;
56 uint8_t sctp_send_failure_event;
57 uint8_t sctp_peer_error_event;
58 uint8_t sctp_shutdown_event;
59 uint8_t sctp_partial_delivery_event;
60 uint8_t sctp_adaptation_layer_event;
61 uint8_t sctp_authentication_event;
62 uint8_t sctp_sender_dry_event;
63 uint8_t sctp_stream_reset_event;
64 };
65
66 /* ancillary data types */
67 #define SCTP_INIT 0x0001
68 #define SCTP_SNDRCV 0x0002
69 #define SCTP_EXTRCV 0x0003
70 /*
71 * ancillary data structures
72 */
73 struct sctp_initmsg {
74 uint16_t sinit_num_ostreams;
75 uint16_t sinit_max_instreams;
76 uint16_t sinit_max_attempts;
77 uint16_t sinit_max_init_timeo;
78 };
79
80 /* We add 96 bytes to the size of sctp_sndrcvinfo.
81 * This makes the current structure 128 bytes long
82 * which is nicely 64 bit aligned but also has room
83 * for us to add more and keep ABI compatability.
84 * For example, already we have the sctp_extrcvinfo
85 * when enabled which is 48 bytes.
86 */
87
88 /*
89 * The assoc up needs a verfid
90 * all sendrcvinfo's need a verfid for SENDING only.
91 */
92
93
94 #define SCTP_ALIGN_RESV_PAD 96
95 #define SCTP_ALIGN_RESV_PAD_SHORT 80
96
97 struct sctp_sndrcvinfo {
98 uint16_t sinfo_stream;
99 uint16_t sinfo_ssn;
100 uint16_t sinfo_flags;
101 uint32_t sinfo_ppid;
102 uint32_t sinfo_context;
103 uint32_t sinfo_timetolive;
104 uint32_t sinfo_tsn;
105 uint32_t sinfo_cumtsn;
106 sctp_assoc_t sinfo_assoc_id;
107 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
108 };
109
110 struct sctp_extrcvinfo {
111 uint16_t sinfo_stream;
112 uint16_t sinfo_ssn;
113 uint16_t sinfo_flags;
114 uint16_t sinfo_pr_policy;
115 uint32_t sinfo_ppid;
116 uint32_t sinfo_context;
117 uint32_t sinfo_timetolive;
118 uint32_t sinfo_tsn;
119 uint32_t sinfo_cumtsn;
120 sctp_assoc_t sinfo_assoc_id;
121 uint16_t sreinfo_next_flags;
122 uint16_t sreinfo_next_stream;
123 uint32_t sreinfo_next_aid;
124 uint32_t sreinfo_next_length;
125 uint32_t sreinfo_next_ppid;
126 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
127 };
128
129 #define SCTP_NO_NEXT_MSG 0x0000
130 #define SCTP_NEXT_MSG_AVAIL 0x0001
131 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
132 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
133 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
134
135 struct sctp_snd_all_completes {
136 uint16_t sall_stream;
137 uint16_t sall_flags;
138 uint32_t sall_ppid;
139 uint32_t sall_context;
140 uint32_t sall_num_sent;
141 uint32_t sall_num_failed;
142 };
143
144 /* Flags that go into the sinfo->sinfo_flags field */
145 #define SCTP_EOF 0x0100 /* Start shutdown procedures */
146 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */
147 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */
148 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */
149 #define SCTP_SENDALL 0x1000 /* Send this on all associations */
150 #define SCTP_EOR 0x2000 /* end of message signal */
151 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
152
153 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
154 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
155 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
156 SCTP_SACK_IMMEDIATELY)) != 0)
157 /* for the endpoint */
158
159 /* The lower byte is an enumeration of PR-SCTP policies */
160 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
161 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
162 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
163
164 #define PR_SCTP_POLICY(x) ((x) & 0xff)
165 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
166 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
167 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
168 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
169 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
170 /* Stat's */
171 struct sctp_pcbinfo {
172 uint32_t ep_count;
173 uint32_t asoc_count;
174 uint32_t laddr_count;
175 uint32_t raddr_count;
176 uint32_t chk_count;
177 uint32_t readq_count;
178 uint32_t free_chunks;
179 uint32_t stream_oque;
180 };
181
182 struct sctp_sockstat {
183 sctp_assoc_t ss_assoc_id;
184 uint32_t ss_total_sndbuf;
185 uint32_t ss_total_recv_buf;
186 };
187
188 /*
189 * notification event structures
190 */
191
192 /*
193 * association change event
194 */
195 struct sctp_assoc_change {
196 uint16_t sac_type;
197 uint16_t sac_flags;
198 uint32_t sac_length;
199 uint16_t sac_state;
200 uint16_t sac_error;
201 uint16_t sac_outbound_streams;
202 uint16_t sac_inbound_streams;
203 sctp_assoc_t sac_assoc_id;
204 };
205
206 /* sac_state values */
207 #define SCTP_COMM_UP 0x0001
208 #define SCTP_COMM_LOST 0x0002
209 #define SCTP_RESTART 0x0003
210 #define SCTP_SHUTDOWN_COMP 0x0004
211 #define SCTP_CANT_STR_ASSOC 0x0005
212
213
214 /*
215 * Address event
216 */
217 struct sctp_paddr_change {
218 uint16_t spc_type;
219 uint16_t spc_flags;
220 uint32_t spc_length;
221 struct sockaddr_storage spc_aaddr;
222 uint32_t spc_state;
223 uint32_t spc_error;
224 sctp_assoc_t spc_assoc_id;
225 uint8_t spc_padding[4];
226 };
227
228 /* paddr state values */
229 #define SCTP_ADDR_AVAILABLE 0x0001
230 #define SCTP_ADDR_UNREACHABLE 0x0002
231 #define SCTP_ADDR_REMOVED 0x0003
232 #define SCTP_ADDR_ADDED 0x0004
233 #define SCTP_ADDR_MADE_PRIM 0x0005
234 #define SCTP_ADDR_CONFIRMED 0x0006
235
236 /*
237 * CAUTION: these are user exposed SCTP addr reachability states must be
238 * compatible with SCTP_ADDR states in sctp_constants.h
239 */
240 #ifdef SCTP_ACTIVE
241 #undef SCTP_ACTIVE
242 #endif
243 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
244
245 #ifdef SCTP_INACTIVE
246 #undef SCTP_INACTIVE
247 #endif
248 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
249
250 #ifdef SCTP_UNCONFIRMED
251 #undef SCTP_UNCONFIRMED
252 #endif
253 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
254
255 #ifdef SCTP_NOHEARTBEAT
256 #undef SCTP_NOHEARTBEAT
257 #endif
258 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
259
260
261 /* remote error events */
262 struct sctp_remote_error {
263 uint16_t sre_type;
264 uint16_t sre_flags;
265 uint32_t sre_length;
266 uint16_t sre_error;
267 sctp_assoc_t sre_assoc_id;
268 uint8_t sre_data[4];
269 };
270
271 /* data send failure event */
272 struct sctp_send_failed {
273 uint16_t ssf_type;
274 uint16_t ssf_flags;
275 uint32_t ssf_length;
276 uint32_t ssf_error;
277 struct sctp_sndrcvinfo ssf_info;
278 sctp_assoc_t ssf_assoc_id;
279 uint8_t ssf_data[];
280 };
281
282 /* flag that indicates state of data */
283 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
284 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
285
286 /* shutdown event */
287 struct sctp_shutdown_event {
288 uint16_t sse_type;
289 uint16_t sse_flags;
290 uint32_t sse_length;
291 sctp_assoc_t sse_assoc_id;
292 };
293
294 /* Adaptation layer indication stuff */
295 struct sctp_adaptation_event {
296 uint16_t sai_type;
297 uint16_t sai_flags;
298 uint32_t sai_length;
299 uint32_t sai_adaptation_ind;
300 sctp_assoc_t sai_assoc_id;
301 };
302
303 struct sctp_setadaptation {
304 uint32_t ssb_adaptation_ind;
305 };
306
307 /* compatable old spelling */
308 struct sctp_adaption_event {
309 uint16_t sai_type;
310 uint16_t sai_flags;
311 uint32_t sai_length;
312 uint32_t sai_adaption_ind;
313 sctp_assoc_t sai_assoc_id;
314 };
315
316 struct sctp_setadaption {
317 uint32_t ssb_adaption_ind;
318 };
319
320
321 /*
322 * Partial Delivery API event
323 */
324 struct sctp_pdapi_event {
325 uint16_t pdapi_type;
326 uint16_t pdapi_flags;
327 uint32_t pdapi_length;
328 uint32_t pdapi_indication;
329 uint16_t pdapi_stream;
330 uint16_t pdapi_seq;
331 sctp_assoc_t pdapi_assoc_id;
332 };
333
334 /* indication values */
335 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
336
337
338 /*
339 * authentication key event
340 */
341 struct sctp_authkey_event {
342 uint16_t auth_type;
343 uint16_t auth_flags;
344 uint32_t auth_length;
345 uint16_t auth_keynumber;
346 uint16_t auth_altkeynumber;
347 uint32_t auth_indication;
348 sctp_assoc_t auth_assoc_id;
349 };
350
351 /* indication values */
352 #define SCTP_AUTH_NEWKEY 0x0001
353 #define SCTP_AUTH_NO_AUTH 0x0002
354 #define SCTP_AUTH_FREE_KEY 0x0003
355
356
357 struct sctp_sender_dry_event {
358 uint16_t sender_dry_type;
359 uint16_t sender_dry_flags;
360 uint32_t sender_dry_length;
361 sctp_assoc_t sender_dry_assoc_id;
362 };
363
364
365 /*
366 * stream reset event
367 */
368 struct sctp_stream_reset_event {
369 uint16_t strreset_type;
370 uint16_t strreset_flags;
371 uint32_t strreset_length;
372 sctp_assoc_t strreset_assoc_id;
373 uint16_t strreset_list[];
374 };
375
376 /* flags in strreset_flags field */
377 #define SCTP_STRRESET_INBOUND_STR 0x0001
378 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
379 #define SCTP_STRRESET_ALL_STREAMS 0x0004
380 #define SCTP_STRRESET_STREAM_LIST 0x0008
381 #define SCTP_STRRESET_FAILED 0x0010
382 #define SCTP_STRRESET_ADD_STREAM 0x0020
383
384 /* SCTP notification event */
385 struct sctp_tlv {
386 uint16_t sn_type;
387 uint16_t sn_flags;
388 uint32_t sn_length;
389 };
390
391 union sctp_notification {
392 struct sctp_tlv sn_header;
393 struct sctp_assoc_change sn_assoc_change;
394 struct sctp_paddr_change sn_paddr_change;
395 struct sctp_remote_error sn_remote_error;
396 struct sctp_send_failed sn_send_failed;
397 struct sctp_shutdown_event sn_shutdown_event;
398 struct sctp_adaptation_event sn_adaptation_event;
399 /* compatability same as above */
400 struct sctp_adaption_event sn_adaption_event;
401 struct sctp_pdapi_event sn_pdapi_event;
402 struct sctp_authkey_event sn_auth_event;
403 struct sctp_sender_dry_event sn_sender_dry_event;
404 struct sctp_stream_reset_event sn_strreset_event;
405 };
406
407 /* notification types */
408 #define SCTP_ASSOC_CHANGE 0x0001
409 #define SCTP_PEER_ADDR_CHANGE 0x0002
410 #define SCTP_REMOTE_ERROR 0x0003
411 #define SCTP_SEND_FAILED 0x0004
412 #define SCTP_SHUTDOWN_EVENT 0x0005
413 #define SCTP_ADAPTATION_INDICATION 0x0006
414 /* same as above */
415 #define SCTP_ADAPTION_INDICATION 0x0006
416 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
417 #define SCTP_AUTHENTICATION_EVENT 0x0008
418 #define SCTP_STREAM_RESET_EVENT 0x0009
419 #define SCTP_SENDER_DRY_EVENT 0x000a
420 #define SCTP__NOTIFICATIONS_STOPPED_EVENT 0x000b /* we dont send this */
421 /*
422 * socket option structs
423 */
424
425 struct sctp_paddrparams {
426 struct sockaddr_storage spp_address;
427 sctp_assoc_t spp_assoc_id;
428 uint32_t spp_hbinterval;
429 uint32_t spp_pathmtu;
430 uint32_t spp_flags;
431 uint32_t spp_ipv6_flowlabel;
432 uint16_t spp_pathmaxrxt;
433 uint8_t spp_ipv4_tos;
434 };
435
436 #define SPP_HB_ENABLE 0x00000001
437 #define SPP_HB_DISABLE 0x00000002
438 #define SPP_HB_DEMAND 0x00000004
439 #define SPP_PMTUD_ENABLE 0x00000008
440 #define SPP_PMTUD_DISABLE 0x00000010
441 #define SPP_HB_TIME_IS_ZERO 0x00000080
442 #define SPP_IPV6_FLOWLABEL 0x00000100
443 #define SPP_IPV4_TOS 0x00000200
444
445 struct sctp_paddrinfo {
446 struct sockaddr_storage spinfo_address;
447 sctp_assoc_t spinfo_assoc_id;
448 int32_t spinfo_state;
449 uint32_t spinfo_cwnd;
450 uint32_t spinfo_srtt;
451 uint32_t spinfo_rto;
452 uint32_t spinfo_mtu;
453 };
454
455 struct sctp_rtoinfo {
456 sctp_assoc_t srto_assoc_id;
457 uint32_t srto_initial;
458 uint32_t srto_max;
459 uint32_t srto_min;
460 };
461
462 struct sctp_assocparams {
463 sctp_assoc_t sasoc_assoc_id;
464 uint32_t sasoc_peer_rwnd;
465 uint32_t sasoc_local_rwnd;
466 uint32_t sasoc_cookie_life;
467 uint16_t sasoc_asocmaxrxt;
468 uint16_t sasoc_number_peer_destinations;
469 };
470
471 struct sctp_setprim {
472 struct sockaddr_storage ssp_addr;
473 sctp_assoc_t ssp_assoc_id;
474 uint8_t ssp_padding[4];
475 };
476
477 struct sctp_setpeerprim {
478 struct sockaddr_storage sspp_addr;
479 sctp_assoc_t sspp_assoc_id;
480 uint8_t sspp_padding[4];
481 };
482
483 struct sctp_getaddresses {
484 sctp_assoc_t sget_assoc_id;
485 /* addr is filled in for N * sockaddr_storage */
486 struct sockaddr addr[1];
487 };
488
489 struct sctp_setstrm_timeout {
490 sctp_assoc_t ssto_assoc_id;
491 uint32_t ssto_timeout;
492 uint32_t ssto_streamid_start;
493 uint32_t ssto_streamid_end;
494 };
495
496 struct sctp_status {
497 sctp_assoc_t sstat_assoc_id;
498 int32_t sstat_state;
499 uint32_t sstat_rwnd;
500 uint16_t sstat_unackdata;
501 uint16_t sstat_penddata;
502 uint16_t sstat_instrms;
503 uint16_t sstat_outstrms;
504 uint32_t sstat_fragmentation_point;
505 struct sctp_paddrinfo sstat_primary;
506 };
507
508 /*
509 * AUTHENTICATION support
510 */
511 /* SCTP_AUTH_CHUNK */
512 struct sctp_authchunk {
513 uint8_t sauth_chunk;
514 };
515
516 /* SCTP_AUTH_KEY */
517 struct sctp_authkey {
518 sctp_assoc_t sca_assoc_id;
519 uint16_t sca_keynumber;
520 uint8_t sca_key[];
521 };
522
523 /* SCTP_HMAC_IDENT */
524 struct sctp_hmacalgo {
525 uint32_t shmac_number_of_idents;
526 uint16_t shmac_idents[];
527 };
528
529 /* AUTH hmac_id */
530 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
531 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
532 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
533 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004
534 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005
535 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006
536
537
538 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
539 struct sctp_authkeyid {
540 sctp_assoc_t scact_assoc_id;
541 uint16_t scact_keynumber;
542 };
543
544 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
545 struct sctp_authchunks {
546 sctp_assoc_t gauth_assoc_id;
547 uint8_t gauth_chunks[];
548 };
549
550 struct sctp_assoc_value {
551 sctp_assoc_t assoc_id;
552 uint32_t assoc_value;
553 };
554
555 struct sctp_assoc_ids {
556 uint32_t gaids_number_of_ids;
557 sctp_assoc_t gaids_assoc_id[];
558 };
559
560 struct sctp_sack_info {
561 sctp_assoc_t sack_assoc_id;
562 uint32_t sack_delay;
563 uint32_t sack_freq;
564 };
565
566 struct sctp_cwnd_args {
567 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
568 uint32_t cwnd_new_value;/* cwnd in k */
569 uint32_t pseudo_cumack;
570 uint16_t inflight; /* flightsize in k */
571 uint16_t cwnd_augment; /* increment to it */
572 uint8_t meets_pseudo_cumack;
573 uint8_t need_new_pseudo_cumack;
574 uint8_t cnt_in_send;
575 uint8_t cnt_in_str;
576 };
577
578 struct sctp_blk_args {
579 uint32_t onsb; /* in 1k bytes */
580 uint32_t sndlen; /* len of send being attempted */
581 uint32_t peer_rwnd; /* rwnd of peer */
582 uint16_t send_sent_qcnt;/* chnk cnt */
583 uint16_t stream_qcnt; /* chnk cnt */
584 uint16_t chunks_on_oque;/* chunks out */
585 uint16_t flight_size; /* flight size in k */
586 };
587
588 /*
589 * Max we can reset in one setting, note this is dictated not by the define
590 * but the size of a mbuf cluster so don't change this define and think you
591 * can specify more. You must do multiple resets if you want to reset more
592 * than SCTP_MAX_EXPLICIT_STR_RESET.
593 */
594 #define SCTP_MAX_EXPLICT_STR_RESET 1000
595
596 #define SCTP_RESET_LOCAL_RECV 0x0001
597 #define SCTP_RESET_LOCAL_SEND 0x0002
598 #define SCTP_RESET_BOTH 0x0003
599 #define SCTP_RESET_TSN 0x0004
600 #define SCTP_RESET_ADD_STREAMS 0x0005
601
602 struct sctp_stream_reset {
603 sctp_assoc_t strrst_assoc_id;
604 uint16_t strrst_flags;
605 uint16_t strrst_num_streams; /* 0 == ALL */
606 uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */
607 };
608
609
610 struct sctp_get_nonce_values {
611 sctp_assoc_t gn_assoc_id;
612 uint32_t gn_peers_tag;
613 uint32_t gn_local_tag;
614 };
615
616 /* Debugging logs */
617 struct sctp_str_log {
618 void *stcb; /* FIXME: LP64 issue */
619 uint32_t n_tsn;
620 uint32_t e_tsn;
621 uint16_t n_sseq;
622 uint16_t e_sseq;
623 uint16_t strm;
624 };
625
626 struct sctp_sb_log {
627 void *stcb; /* FIXME: LP64 issue */
628 uint32_t so_sbcc;
629 uint32_t stcb_sbcc;
630 uint32_t incr;
631 };
632
633 struct sctp_fr_log {
634 uint32_t largest_tsn;
635 uint32_t largest_new_tsn;
636 uint32_t tsn;
637 };
638
639 struct sctp_fr_map {
640 uint32_t base;
641 uint32_t cum;
642 uint32_t high;
643 };
644
645 struct sctp_rwnd_log {
646 uint32_t rwnd;
647 uint32_t send_size;
648 uint32_t overhead;
649 uint32_t new_rwnd;
650 };
651
652 struct sctp_mbcnt_log {
653 uint32_t total_queue_size;
654 uint32_t size_change;
655 uint32_t total_queue_mb_size;
656 uint32_t mbcnt_change;
657 };
658
659 struct sctp_sack_log {
660 uint32_t cumack;
661 uint32_t oldcumack;
662 uint32_t tsn;
663 uint16_t numGaps;
664 uint16_t numDups;
665 };
666
667 struct sctp_lock_log {
668 void *sock; /* FIXME: LP64 issue */
669 void *inp; /* FIXME: LP64 issue */
670 uint8_t tcb_lock;
671 uint8_t inp_lock;
672 uint8_t info_lock;
673 uint8_t sock_lock;
674 uint8_t sockrcvbuf_lock;
675 uint8_t socksndbuf_lock;
676 uint8_t create_lock;
677 uint8_t resv;
678 };
679
680 struct sctp_rto_log {
681 void *net; /* FIXME: LP64 issue */
682 uint32_t rtt;
683 };
684
685 struct sctp_nagle_log {
686 void *stcb; /* FIXME: LP64 issue */
687 uint32_t total_flight;
688 uint32_t total_in_queue;
689 uint16_t count_in_queue;
690 uint16_t count_in_flight;
691 };
692
693 struct sctp_sbwake_log {
694 void *stcb; /* FIXME: LP64 issue */
695 uint16_t send_q;
696 uint16_t sent_q;
697 uint16_t flight;
698 uint16_t wake_cnt;
699 uint8_t stream_qcnt; /* chnk cnt */
700 uint8_t chunks_on_oque; /* chunks out */
701 uint8_t sbflags;
702 uint8_t sctpflags;
703 };
704
705 struct sctp_misc_info {
706 uint32_t log1;
707 uint32_t log2;
708 uint32_t log3;
709 uint32_t log4;
710 };
711
712 struct sctp_log_closing {
713 void *inp; /* FIXME: LP64 issue */
714 void *stcb; /* FIXME: LP64 issue */
715 uint32_t sctp_flags;
716 uint16_t state;
717 int16_t loc;
718 };
719
720 struct sctp_mbuf_log {
721 struct mbuf *mp; /* FIXME: LP64 issue */
722 caddr_t ext;
723 caddr_t data;
724 uint16_t size;
725 uint8_t refcnt;
726 uint8_t mbuf_flags;
727 };
728
729 struct sctp_cwnd_log {
730 uint64_t time_event;
731 uint8_t from;
732 uint8_t event_type;
733 uint8_t resv[2];
734 union {
735 struct sctp_log_closing close;
736 struct sctp_blk_args blk;
737 struct sctp_cwnd_args cwnd;
738 struct sctp_str_log strlog;
739 struct sctp_fr_log fr;
740 struct sctp_fr_map map;
741 struct sctp_rwnd_log rwnd;
742 struct sctp_mbcnt_log mbcnt;
743 struct sctp_sack_log sack;
744 struct sctp_lock_log lock;
745 struct sctp_rto_log rto;
746 struct sctp_sb_log sb;
747 struct sctp_nagle_log nagle;
748 struct sctp_sbwake_log wake;
749 struct sctp_mbuf_log mb;
750 struct sctp_misc_info misc;
751 } x;
752 };
753
754 struct sctp_cwnd_log_req {
755 int32_t num_in_log; /* Number in log */
756 int32_t num_ret; /* Number returned */
757 int32_t start_at; /* start at this one */
758 int32_t end_at; /* end at this one */
759 struct sctp_cwnd_log log[];
760 };
761
762 struct sctp_timeval {
763 uint32_t tv_sec;
764 uint32_t tv_usec;
765 };
766
767 struct sctpstat {
768 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
769 * (TimeStamp) */
770 /* MIB according to RFC 3873 */
771 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
772 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
773 uint32_t sctps_restartestab;
774 uint32_t sctps_collisionestab;
775 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
776 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
777 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
778 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
779 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
780 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
781 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
782 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
783 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
784 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
785 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
786 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
787 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
788 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
789 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
790
791 /* input statistics: */
792 uint32_t sctps_recvpackets; /* total input packets */
793 uint32_t sctps_recvdatagrams; /* total input datagrams */
794 uint32_t sctps_recvpktwithdata; /* total packets that had data */
795 uint32_t sctps_recvsacks; /* total input SACK chunks */
796 uint32_t sctps_recvdata;/* total input DATA chunks */
797 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
798 uint32_t sctps_recvheartbeat; /* total input HB chunks */
799 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
800 uint32_t sctps_recvecne;/* total input ECNE chunks */
801 uint32_t sctps_recvauth;/* total input AUTH chunks */
802 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
803 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
804 * received */
805 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
806 * received */
807 uint32_t sctps_recvauthfailed; /* total number of auth failed */
808 uint32_t sctps_recvexpress; /* total fast path receives all one
809 * chunk */
810 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
811 uint32_t sctps_recvnocrc;
812 uint32_t sctps_recvswcrc;
813 uint32_t sctps_recvhwcrc;
814
815 /* output statistics: */
816 uint32_t sctps_sendpackets; /* total output packets */
817 uint32_t sctps_sendsacks; /* total output SACKs */
818 uint32_t sctps_senddata;/* total output DATA chunks */
819 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
820 * chunks */
821 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
822 * DATA chunks */
823 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
824 * more than once to same
825 * chunk (u-del multi-fr
826 * algo). */
827 uint32_t sctps_sendheartbeat; /* total output HB chunks */
828 uint32_t sctps_sendecne;/* total output ECNE chunks */
829 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
830 uint32_t sctps_senderrors; /* ip_output error counter */
831 uint32_t sctps_sendnocrc;
832 uint32_t sctps_sendswcrc;
833 uint32_t sctps_sendhwcrc;
834 /* PCKDROPREP statistics: */
835 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
836 uint32_t sctps_pdrpfehos; /* P-drop from end host */
837 uint32_t sctps_pdrpmbda;/* P-drops with data */
838 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
839 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
840 * only */
841 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
842 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
843 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
844 * said break */
845 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
846 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
847 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
848 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
849 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
850 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
851 /* timeouts */
852 uint32_t sctps_timoiterator; /* Number of iterator timers that
853 * fired */
854 uint32_t sctps_timodata;/* Number of T3 data time outs */
855 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
856 * that fired */
857 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
858 uint32_t sctps_timosack;/* Number of sack timers that fired */
859 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
860 * fired */
861 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
862 * fired */
863 uint32_t sctps_timocookie; /* Number of times a cookie timeout
864 * fired */
865 uint32_t sctps_timosecret; /* Number of times an endpoint changed
866 * its cookie secret */
867 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
868 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
869 * fired */
870 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
871 * timers that fired */
872 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
873 * fired */
874 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
875 * fired */
876 uint32_t sctps_timoasconf; /* Number of times an asconf timer
877 * fired */
878 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
879 * timer fired */
880 uint32_t sctps_timoautoclose; /* Number of times auto close timer
881 * fired */
882 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
883 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
884 /* Early fast retransmission counters */
885 uint32_t sctps_earlyfrstart;
886 uint32_t sctps_earlyfrstop;
887 uint32_t sctps_earlyfrmrkretrans;
888 uint32_t sctps_earlyfrstpout;
889 uint32_t sctps_earlyfrstpidsck1;
890 uint32_t sctps_earlyfrstpidsck2;
891 uint32_t sctps_earlyfrstpidsck3;
892 uint32_t sctps_earlyfrstpidsck4;
893 uint32_t sctps_earlyfrstrid;
894 uint32_t sctps_earlyfrstrout;
895 uint32_t sctps_earlyfrstrtmr;
896 /* otheres */
897 uint32_t sctps_hdrops; /* packet shorter than header */
898 uint32_t sctps_badsum; /* checksum error */
899 uint32_t sctps_noport; /* no endpoint for port */
900 uint32_t sctps_badvtag; /* bad v-tag */
901 uint32_t sctps_badsid; /* bad SID */
902 uint32_t sctps_nomem; /* no memory */
903 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
904 * RTT window */
905 uint32_t sctps_markedretrans;
906 uint32_t sctps_naglesent; /* nagle allowed sending */
907 uint32_t sctps_naglequeued; /* nagle does't allow sending */
908 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */
909 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
910 * interface ring buffer OR we had a
911 * send error and are queuing one
912 * send. */
913 uint32_t sctps_windowprobed; /* total number of window probes sent */
914 uint32_t sctps_lowlevelerr; /* total times an output error causes
915 * us to clamp down on next user send. */
916 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
917 * caused from a user send from a user
918 * invoked send not a sack response */
919 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
920 * chunk limit reached */
921 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
922 * limit reached */
923 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
924 * cwnd */
925 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
926 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
927 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
928 * of user data on primary */
929 uint32_t sctps_cmt_randry; /* Same for above */
930 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
931 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
932 uint32_t sctps_sends_with_flags; /* number of sends with
933 * sinfo_flags !=0 */
934 uint32_t sctps_sends_with_unord /* number of undordered sends */ ;
935 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
936 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
937 * flag set */
938 uint32_t sctps_protocol_drain_calls; /* number of times protocol
939 * drain called */
940 uint32_t sctps_protocol_drains_done; /* number of times we did a
941 * protocol drain */
942 uint32_t sctps_read_peeks; /* Number of times recv was called
943 * with peek */
944 uint32_t sctps_cached_chk; /* Number of cached chunks used */
945 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
946 uint32_t sctps_left_abandon; /* Number of unread message abandonded
947 * by close */
948 uint32_t sctps_send_burst_avoid; /* Unused */
949 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
950 * max burst inflight to net */
951 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
952 * fwd-tsn's */
953
954 uint32_t sctps_reserved[32]; /* Future ABI compat - remove int's
955 * from here when adding new */
956 };
957
958 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
959 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
960 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
961 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
962 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
963 #else
964 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
965 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
966 #endif
967 /* The following macros are for handling MIB values, */
968 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
969 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
970 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
971 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
972 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
973 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
974
975 union sctp_sockstore {
976 #if defined(INET) || !defined(_KERNEL)
977 struct sockaddr_in sin;
978 #endif
979 #if defined(INET6) || !defined(_KERNEL)
980 struct sockaddr_in6 sin6;
981 #endif
982 struct sockaddr sa;
983 };
984
985 struct xsctp_inpcb {
986 uint32_t last;
987 uint32_t flags;
988 uint32_t features;
989 uint32_t total_sends;
990 uint32_t total_recvs;
991 uint32_t total_nospaces;
992 uint32_t fragmentation_point;
993 uint16_t local_port;
994 uint16_t qlen;
995 uint16_t maxqlen;
996 uint32_t extra_padding[32]; /* future */
997 };
998
999 struct xsctp_tcb {
1000 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
1001 uint32_t last;
1002 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
1003 uint32_t state; /* sctpAssocEntry 8 */
1004 uint32_t in_streams; /* sctpAssocEntry 9 */
1005 uint32_t out_streams; /* sctpAssocEntry 10 */
1006 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
1007 uint32_t primary_process; /* sctpAssocEntry 12 */
1008 uint32_t T1_expireries; /* sctpAssocEntry 13 */
1009 uint32_t T2_expireries; /* sctpAssocEntry 14 */
1010 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
1011 uint32_t total_sends;
1012 uint32_t total_recvs;
1013 uint32_t local_tag;
1014 uint32_t remote_tag;
1015 uint32_t initial_tsn;
1016 uint32_t highest_tsn;
1017 uint32_t cumulative_tsn;
1018 uint32_t cumulative_tsn_ack;
1019 uint32_t mtu;
1020 uint32_t refcnt;
1021 uint16_t local_port; /* sctpAssocEntry 3 */
1022 uint16_t remote_port; /* sctpAssocEntry 4 */
1023 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1024 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1025 uint32_t peers_rwnd;
1026 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */
1027 uint32_t extra_padding[32]; /* future */
1028 };
1029
1030 struct xsctp_laddr {
1031 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1032 uint32_t last;
1033 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1034 uint32_t extra_padding[32]; /* future */
1035 };
1036
1037 struct xsctp_raddr {
1038 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1039 uint32_t last;
1040 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1041 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1042 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1043 uint32_t error_counter; /* */
1044 uint32_t cwnd; /* */
1045 uint32_t flight_size; /* */
1046 uint32_t mtu; /* */
1047 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1048 uint8_t confirmed; /* */
1049 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1050 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1051 uint32_t rtt;
1052 uint32_t extra_padding[32]; /* future */
1053 };
1054
1055 #define SCTP_MAX_LOGGING_SIZE 30000
1056 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1057
1058 struct sctp_log_entry {
1059 uint64_t timestamp;
1060 uint32_t subsys;
1061 uint32_t padding;
1062 uint32_t params[SCTP_TRACE_PARAMS];
1063 };
1064
1065 struct sctp_log {
1066 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1067 uint32_t index;
1068 uint32_t padding;
1069 };
1070
1071 /*
1072 * Kernel defined for sctp_send
1073 */
1074 #if defined(_KERNEL) || defined(__Userspace__)
1075 int
1076 sctp_lower_sosend(struct socket *so,
1077 struct sockaddr *addr,
1078 struct uio *uio,
1079 struct mbuf *i_pak,
1080 struct mbuf *control,
1081 int flags,
1082 int use_rcvinfo,
1083 struct sctp_sndrcvinfo *srcv
1084 ,struct thread *p
1085 );
1086
1087 int
1088 sctp_sorecvmsg(struct socket *so,
1089 struct uio *uio,
1090 struct mbuf **mp,
1091 struct sockaddr *from,
1092 int fromlen,
1093 int *msg_flags,
1094 struct sctp_sndrcvinfo *sinfo,
1095 int filling_sinfo);
1096
1097 #endif
1098
1099 /*
1100 * API system calls
1101 */
1102 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
1103
1104 __BEGIN_DECLS
1105 int sctp_peeloff __P((int, sctp_assoc_t));
1106 int sctp_bindx __P((int, struct sockaddr *, int, int));
1107 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1108 int sctp_getaddrlen __P((sa_family_t));
1109 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1110 void sctp_freepaddrs __P((struct sockaddr *));
1111 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1112 void sctp_freeladdrs __P((struct sockaddr *));
1113 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1114
1115 ssize_t sctp_sendmsg
1116 __P((int, const void *, size_t,
1117 const struct sockaddr *,
1118 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1119
1120 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1121 const struct sctp_sndrcvinfo *sinfo, int flags));
1122
1123 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len,
1124 struct sockaddr *addrs, int addrcnt,
1125 struct sctp_sndrcvinfo *sinfo, int flags));
1126
1127 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t,
1128 struct sockaddr *, int,
1129 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1130
1131 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa));
1132
1133 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1134 socklen_t *, struct sctp_sndrcvinfo *, int *));
1135
1136 __END_DECLS
1137
1138 #endif /* !_KERNEL */
1139 #endif /* !__sctp_uio_h__ */
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