sctp_uio.h revision 163996
1/*-
2 * Copyright (c) 2001-2006, 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: head/sys/netinet/sctp_uio.h 163996 2006-11-05 13:25:18Z rrs $");
34
35#ifndef __sctp_uio_h__
36#define __sctp_uio_h__
37
38
39
40
41#if ! defined(_KERNEL)
42#include <stdint.h>
43#endif
44#include <sys/types.h>
45#include <sys/socket.h>
46
47typedef uint32_t sctp_assoc_t;
48
49/* On/Off setup for subscription to events */
50struct sctp_event_subscribe {
51	uint8_t sctp_data_io_event;
52	uint8_t sctp_association_event;
53	uint8_t sctp_address_event;
54	uint8_t sctp_send_failure_event;
55	uint8_t sctp_peer_error_event;
56	uint8_t sctp_shutdown_event;
57	uint8_t sctp_partial_delivery_event;
58	uint8_t sctp_adaptation_layer_event;
59	uint8_t sctp_authentication_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 */
70struct sctp_initmsg {
71	uint32_t sinit_num_ostreams;
72	uint32_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#define SCTP_ALIGN_RESV_PAD 96
86
87struct sctp_sndrcvinfo {
88	uint16_t sinfo_stream;
89	uint16_t sinfo_ssn;
90	uint16_t sinfo_flags;
91	uint32_t sinfo_ppid;
92	uint32_t sinfo_context;
93	uint32_t sinfo_timetolive;
94	uint32_t sinfo_tsn;
95	uint32_t sinfo_cumtsn;
96	sctp_assoc_t sinfo_assoc_id;
97	uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
98};
99
100struct sctp_extrcvinfo {
101	uint16_t sinfo_stream;
102	uint16_t sinfo_ssn;
103	uint16_t sinfo_flags;
104	uint32_t sinfo_ppid;
105	uint32_t sinfo_context;
106	uint32_t sinfo_timetolive;
107	uint32_t sinfo_tsn;
108	uint32_t sinfo_cumtsn;
109	sctp_assoc_t sinfo_assoc_id;
110	uint16_t next_flags;
111	uint16_t next_stream;
112	uint32_t next_asocid;
113	uint32_t next_length;
114	uint32_t next_ppid;
115};
116
117#define SCTP_NO_NEXT_MSG           0x0000
118#define SCTP_NEXT_MSG_AVAIL        0x0001
119#define SCTP_NEXT_MSG_ISCOMPLETE   0x0002
120#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
121
122struct sctp_snd_all_completes {
123	uint16_t sall_stream;
124	uint16_t sall_flags;
125	uint32_t sall_ppid;
126	uint32_t sall_context;
127	uint32_t sall_num_sent;
128	uint32_t sall_num_failed;
129};
130
131/* Flags that go into the sinfo->sinfo_flags field */
132#define SCTP_EOF 	  0x0100/* Start shutdown procedures */
133#define SCTP_ABORT	  0x0200/* Send an ABORT to peer */
134#define SCTP_UNORDERED 	  0x0400/* Message is un-ordered */
135#define SCTP_ADDR_OVER	  0x0800/* Override the primary-address */
136#define SCTP_SENDALL      0x1000/* Send this on all associations */
137#define SCTP_EOR          0x2000/* end of message signal */
138/* for the endpoint */
139
140/* The lower byte is an enumeration of PR-SCTP policies */
141#define SCTP_PR_SCTP_TTL  0x0001/* Time based PR-SCTP */
142#define SCTP_PR_SCTP_BUF  0x0002/* Buffer based PR-SCTP */
143#define SCTP_PR_SCTP_RTX  0x0003/* Number of retransmissions based PR-SCTP */
144
145#define PR_SCTP_POLICY(x)      ((x) & 0xff)
146#define PR_SCTP_ENABLED(x)     (PR_SCTP_POLICY(x) != 0)
147#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
148#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
149#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
150
151/* Stat's */
152struct sctp_pcbinfo {
153	uint32_t ep_count;
154	uint32_t asoc_count;
155	uint32_t laddr_count;
156	uint32_t raddr_count;
157	uint32_t chk_count;
158	uint32_t readq_count;
159	uint32_t free_chunks;
160	uint32_t stream_oque;
161};
162
163struct sctp_sockstat {
164	sctp_assoc_t ss_assoc_id;
165	uint32_t ss_total_sndbuf;
166	uint32_t ss_total_recv_buf;
167};
168
169/*
170 * notification event structures
171 */
172
173/*
174 * association change event
175 */
176struct sctp_assoc_change {
177	uint16_t sac_type;
178	uint16_t sac_flags;
179	uint32_t sac_length;
180	uint16_t sac_state;
181	uint16_t sac_error;
182	uint16_t sac_outbound_streams;
183	uint16_t sac_inbound_streams;
184	sctp_assoc_t sac_assoc_id;
185};
186
187/* sac_state values */
188#define SCTP_COMM_UP		0x0001
189#define SCTP_COMM_LOST		0x0002
190#define SCTP_RESTART		0x0003
191#define SCTP_SHUTDOWN_COMP	0x0004
192#define SCTP_CANT_STR_ASSOC	0x0005
193
194
195/*
196 * Address event
197 */
198struct sctp_paddr_change {
199	uint16_t spc_type;
200	uint16_t spc_flags;
201	uint32_t spc_length;
202	struct sockaddr_storage spc_aaddr;
203	uint32_t spc_state;
204	uint32_t spc_error;
205	sctp_assoc_t spc_assoc_id;
206};
207
208/* paddr state values */
209#define SCTP_ADDR_AVAILABLE	0x0001
210#define SCTP_ADDR_UNREACHABLE	0x0002
211#define SCTP_ADDR_REMOVED	0x0003
212#define SCTP_ADDR_ADDED		0x0004
213#define SCTP_ADDR_MADE_PRIM	0x0005
214#define SCTP_ADDR_CONFIRMED	0x0006
215
216/*
217 * CAUTION: these are user exposed SCTP addr reachability states must be
218 * compatible with SCTP_ADDR states in sctp_constants.h
219 */
220#ifdef SCTP_ACTIVE
221#undef SCTP_ACTIVE
222#endif
223#define SCTP_ACTIVE		0x0001	/* SCTP_ADDR_REACHABLE */
224
225#ifdef SCTP_INACTIVE
226#undef SCTP_INACTIVE
227#endif
228#define SCTP_INACTIVE		0x0002	/* SCTP_ADDR_NOT_REACHABLE */
229
230#ifdef SCTP_UNCONFIRMED
231#undef SCTP_UNCONFIRMED
232#endif
233#define SCTP_UNCONFIRMED	0x0200	/* SCTP_ADDR_UNCONFIRMED */
234
235#ifdef SCTP_NOHEARTBEAT
236#undef SCTP_NOHEARTBEAT
237#endif
238#define SCTP_NOHEARTBEAT	0x0040	/* SCTP_ADDR_NOHB */
239
240
241/* remote error events */
242struct sctp_remote_error {
243	uint16_t sre_type;
244	uint16_t sre_flags;
245	uint32_t sre_length;
246	uint16_t sre_error;
247	sctp_assoc_t sre_assoc_id;
248	uint8_t sre_data[4];
249};
250
251/* data send failure event */
252struct sctp_send_failed {
253	uint16_t ssf_type;
254	uint16_t ssf_flags;
255	uint32_t ssf_length;
256	uint32_t ssf_error;
257	struct sctp_sndrcvinfo ssf_info;
258	sctp_assoc_t ssf_assoc_id;
259	uint8_t ssf_data[4];
260};
261
262/* flag that indicates state of data */
263#define SCTP_DATA_UNSENT	0x0001	/* inqueue never on wire */
264#define SCTP_DATA_SENT		0x0002	/* on wire at failure */
265
266/* shutdown event */
267struct sctp_shutdown_event {
268	uint16_t sse_type;
269	uint16_t sse_flags;
270	uint32_t sse_length;
271	sctp_assoc_t sse_assoc_id;
272};
273
274/* Adaptation layer indication stuff */
275struct sctp_adaptation_event {
276	uint16_t sai_type;
277	uint16_t sai_flags;
278	uint32_t sai_length;
279	uint32_t sai_adaptation_ind;
280	sctp_assoc_t sai_assoc_id;
281};
282
283struct sctp_setadaptation {
284	uint32_t ssb_adaptation_ind;
285};
286
287/* compatable old spelling */
288struct sctp_adaption_event {
289	uint16_t sai_type;
290	uint16_t sai_flags;
291	uint32_t sai_length;
292	uint32_t sai_adaption_ind;
293	sctp_assoc_t sai_assoc_id;
294};
295
296struct sctp_setadaption {
297	uint32_t ssb_adaption_ind;
298};
299
300
301/*
302 * Partial Delivery API event
303 */
304struct sctp_pdapi_event {
305	uint16_t pdapi_type;
306	uint16_t pdapi_flags;
307	uint32_t pdapi_length;
308	uint32_t pdapi_indication;
309	sctp_assoc_t pdapi_assoc_id;
310};
311
312/* indication values */
313#define SCTP_PARTIAL_DELIVERY_ABORTED	0x0001
314
315
316/*
317 * authentication key event
318 */
319struct sctp_authkey_event {
320	uint16_t auth_type;
321	uint16_t auth_flags;
322	uint32_t auth_length;
323	uint16_t auth_keynumber;
324	uint16_t auth_altkeynumber;
325	uint32_t auth_indication;
326	sctp_assoc_t auth_assoc_id;
327};
328
329/* indication values */
330#define SCTP_AUTH_NEWKEY	0x0001
331
332
333/*
334 * stream reset event
335 */
336struct sctp_stream_reset_event {
337	uint16_t strreset_type;
338	uint16_t strreset_flags;
339	uint32_t strreset_length;
340	sctp_assoc_t strreset_assoc_id;
341	uint16_t strreset_list[0];
342};
343
344/* flags in strreset_flags field */
345#define SCTP_STRRESET_INBOUND_STR  0x0001
346#define SCTP_STRRESET_OUTBOUND_STR 0x0002
347#define SCTP_STRRESET_ALL_STREAMS  0x0004
348#define SCTP_STRRESET_STREAM_LIST  0x0008
349#define SCTP_STRRESET_FAILED       0x0010
350
351
352/* SCTP notification event */
353struct sctp_tlv {
354	uint16_t sn_type;
355	uint16_t sn_flags;
356	uint32_t sn_length;
357};
358
359union sctp_notification {
360	struct sctp_tlv sn_header;
361	struct sctp_assoc_change sn_assoc_change;
362	struct sctp_paddr_change sn_paddr_change;
363	struct sctp_remote_error sn_remote_error;
364	struct sctp_send_failed sn_send_failed;
365	struct sctp_shutdown_event sn_shutdown_event;
366	struct sctp_adaptation_event sn_adaptation_event;
367	/* compatability same as above */
368	struct sctp_adaption_event sn_adaption_event;
369	struct sctp_pdapi_event sn_pdapi_event;
370	struct sctp_authkey_event sn_auth_event;
371	struct sctp_stream_reset_event sn_strreset_event;
372};
373
374/* notification types */
375#define SCTP_ASSOC_CHANGE		0x0001
376#define SCTP_PEER_ADDR_CHANGE		0x0002
377#define SCTP_REMOTE_ERROR		0x0003
378#define SCTP_SEND_FAILED		0x0004
379#define SCTP_SHUTDOWN_EVENT		0x0005
380#define SCTP_ADAPTATION_INDICATION	0x0006
381/* same as above */
382#define SCTP_ADAPTION_INDICATION	0x0006
383#define SCTP_PARTIAL_DELIVERY_EVENT	0x0007
384#define SCTP_AUTHENTICATION_EVENT	0x0008
385#define SCTP_STREAM_RESET_EVENT		0x0009
386
387
388/*
389 * socket option structs
390 */
391
392struct sctp_paddrparams {
393	sctp_assoc_t spp_assoc_id;
394	struct sockaddr_storage spp_address;
395	uint32_t spp_hbinterval;
396	uint16_t spp_pathmaxrxt;
397	uint32_t spp_pathmtu;
398	uint32_t spp_sackdelay;
399	uint32_t spp_flags;
400	uint32_t spp_ipv6_flowlabel;
401	uint8_t spp_ipv4_tos;
402
403};
404
405#define SPP_HB_ENABLE		0x00000001
406#define SPP_HB_DISABLE		0x00000002
407#define SPP_HB_DEMAND		0x00000004
408#define SPP_PMTUD_ENABLE	0x00000008
409#define SPP_PMTUD_DISABLE	0x00000010
410#define SPP_SACKDELAY_ENABLE	0x00000020
411#define SPP_SACKDELAY_DISABLE	0x00000040
412#define SPP_HB_TIME_IS_ZERO     0x00000080
413#define SPP_IPV6_FLOWLABEL      0x00000100
414#define SPP_IPV4_TOS            0x00000200
415
416struct sctp_paddrinfo {
417	sctp_assoc_t spinfo_assoc_id;
418	struct sockaddr_storage spinfo_address;
419	int32_t spinfo_state;
420	uint32_t spinfo_cwnd;
421	uint32_t spinfo_srtt;
422	uint32_t spinfo_rto;
423	uint32_t spinfo_mtu;
424};
425
426struct sctp_rtoinfo {
427	sctp_assoc_t srto_assoc_id;
428	uint32_t srto_initial;
429	uint32_t srto_max;
430	uint32_t srto_min;
431};
432
433struct sctp_assocparams {
434	sctp_assoc_t sasoc_assoc_id;
435	uint16_t sasoc_asocmaxrxt;
436	uint16_t sasoc_number_peer_destinations;
437	uint32_t sasoc_peer_rwnd;
438	uint32_t sasoc_local_rwnd;
439	uint32_t sasoc_cookie_life;
440};
441
442struct sctp_setprim {
443	sctp_assoc_t ssp_assoc_id;
444	struct sockaddr_storage ssp_addr;
445};
446
447struct sctp_setpeerprim {
448	sctp_assoc_t sspp_assoc_id;
449	struct sockaddr_storage sspp_addr;
450};
451
452struct sctp_getaddresses {
453	sctp_assoc_t sget_assoc_id;
454	/* addr is filled in for N * sockaddr_storage */
455	struct sockaddr addr[1];
456};
457
458struct sctp_setstrm_timeout {
459	sctp_assoc_t ssto_assoc_id;
460	uint32_t ssto_timeout;
461	uint32_t ssto_streamid_start;
462	uint32_t ssto_streamid_end;
463};
464
465struct sctp_status {
466	sctp_assoc_t sstat_assoc_id;
467	int32_t sstat_state;
468	uint32_t sstat_rwnd;
469	uint16_t sstat_unackdata;
470	uint16_t sstat_penddata;
471	uint16_t sstat_instrms;
472	uint16_t sstat_outstrms;
473	uint32_t sstat_fragmentation_point;
474	struct sctp_paddrinfo sstat_primary;
475};
476
477/*
478 * AUTHENTICATION support
479 */
480/* SCTP_AUTH_CHUNK */
481struct sctp_authchunk {
482	uint8_t sauth_chunk;
483};
484
485/* SCTP_AUTH_KEY */
486struct sctp_authkey {
487	sctp_assoc_t sca_assoc_id;
488	uint16_t sca_keynumber;
489	uint8_t sca_key[0];
490};
491
492/* SCTP_HMAC_IDENT */
493struct sctp_hmacalgo {
494	uint16_t shmac_idents[0];
495};
496
497/* AUTH hmac_id */
498#define SCTP_AUTH_HMAC_ID_RSVD		0x0000
499#define SCTP_AUTH_HMAC_ID_SHA1		0x0001	/* default, mandatory */
500#define SCTP_AUTH_HMAC_ID_MD5		0x0002	/* deprecated */
501#define SCTP_AUTH_HMAC_ID_SHA256	0x0003
502#define SCTP_AUTH_HMAC_ID_SHA224	0x8001
503#define SCTP_AUTH_HMAC_ID_SHA384	0x8002
504#define SCTP_AUTH_HMAC_ID_SHA512	0x8003
505
506
507/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
508struct sctp_authkeyid {
509	sctp_assoc_t scact_assoc_id;
510	uint16_t scact_keynumber;
511};
512
513/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
514struct sctp_authchunks {
515	sctp_assoc_t gauth_assoc_id;
516	uint8_t gauth_chunks[0];
517};
518
519struct sctp_assoc_value {
520	sctp_assoc_t assoc_id;
521	uint32_t assoc_value;
522};
523
524#define MAX_ASOC_IDS_RET 255
525struct sctp_assoc_ids {
526	uint16_t asls_assoc_start;	/* array of index's start at 0 */
527	uint8_t asls_numb_present;
528	uint8_t asls_more_to_get;
529	sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET];
530};
531
532struct sctp_cwnd_args {
533	struct sctp_nets *net;	/* network to */
534	uint32_t cwnd_new_value;/* cwnd in k */
535	uint32_t inflight;	/* flightsize in k */
536	uint32_t pseudo_cumack;
537	int cwnd_augment;	/* increment to it */
538	uint8_t meets_pseudo_cumack;
539	uint8_t need_new_pseudo_cumack;
540	uint8_t cnt_in_send;
541	uint8_t cnt_in_str;
542};
543
544struct sctp_blk_args {
545	uint32_t onsb;		/* in 1k bytes */
546	uint32_t sndlen;	/* len of send being attempted */
547	uint32_t peer_rwnd;	/* rwnd of peer */
548	uint16_t send_sent_qcnt;/* chnk cnt */
549	uint16_t stream_qcnt;	/* chnk cnt */
550	uint16_t chunks_on_oque;/* chunks out */
551	uint16_t flight_size;	/* flight size in k */
552};
553
554/*
555 * Max we can reset in one setting, note this is dictated not by the define
556 * but the size of a mbuf cluster so don't change this define and think you
557 * can specify more. You must do multiple resets if you want to reset more
558 * than SCTP_MAX_EXPLICIT_STR_RESET.
559 */
560#define SCTP_MAX_EXPLICT_STR_RESET   1000
561
562#define SCTP_RESET_LOCAL_RECV  0x0001
563#define SCTP_RESET_LOCAL_SEND  0x0002
564#define SCTP_RESET_BOTH        0x0003
565#define SCTP_RESET_TSN         0x0004
566
567struct sctp_stream_reset {
568	sctp_assoc_t strrst_assoc_id;
569	uint16_t strrst_flags;
570	uint16_t strrst_num_streams;	/* 0 == ALL */
571	uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
572};
573
574
575struct sctp_get_nonce_values {
576	sctp_assoc_t gn_assoc_id;
577	uint32_t gn_peers_tag;
578	uint32_t gn_local_tag;
579};
580
581/* Debugging logs */
582struct sctp_str_log {
583	uint32_t n_tsn;
584	uint32_t e_tsn;
585	uint16_t n_sseq;
586	uint16_t e_sseq;
587};
588
589struct sctp_sb_log {
590	void *stcb;
591	uint32_t so_sbcc;
592	uint32_t stcb_sbcc;
593	uint32_t incr;
594};
595
596struct sctp_fr_log {
597	uint32_t largest_tsn;
598	uint32_t largest_new_tsn;
599	uint32_t tsn;
600};
601
602struct sctp_fr_map {
603	uint32_t base;
604	uint32_t cum;
605	uint32_t high;
606};
607
608struct sctp_rwnd_log {
609	uint32_t rwnd;
610	uint32_t send_size;
611	uint32_t overhead;
612	uint32_t new_rwnd;
613};
614
615struct sctp_mbcnt_log {
616	uint32_t total_queue_size;
617	uint32_t size_change;
618	uint32_t total_queue_mb_size;
619	uint32_t mbcnt_change;
620};
621
622struct sctp_sack_log {
623	uint32_t cumack;
624	uint32_t oldcumack;
625	uint32_t tsn;
626	uint16_t numGaps;
627	uint16_t numDups;
628};
629
630struct sctp_lock_log {
631	void *sock;
632	void *inp;
633	uint8_t tcb_lock;
634	uint8_t inp_lock;
635	uint8_t info_lock;
636	uint8_t sock_lock;
637	uint8_t sockrcvbuf_lock;
638	uint8_t socksndbuf_lock;
639	uint8_t create_lock;
640	uint8_t resv;
641};
642
643struct sctp_rto_log {
644	void *net;
645	uint32_t rtt;
646	uint32_t rttvar;
647	uint8_t direction;
648};
649
650struct sctp_nagle_log {
651	void *stcb;
652	uint32_t total_flight;
653	uint32_t total_in_queue;
654	uint16_t count_in_queue;
655	uint16_t count_in_flight;
656};
657
658struct sctp_sbwake_log {
659	void *stcb;
660	uint16_t send_q;
661	uint16_t sent_q;
662	uint16_t flight;
663	uint16_t wake_cnt;
664	uint8_t stream_qcnt;	/* chnk cnt */
665	uint8_t chunks_on_oque;	/* chunks out */
666	uint8_t sbflags;
667	uint8_t sctpflags;
668};
669
670struct sctp_misc_info {
671	uint32_t log1;
672	uint32_t log2;
673	uint32_t log3;
674	uint32_t log4;
675};
676
677struct sctp_log_closing {
678	void *inp;
679	void *stcb;
680	uint32_t sctp_flags;
681	uint16_t state;
682	int16_t loc;
683};
684
685struct sctp_mbuf_log {
686	struct mbuf *mp;
687	caddr_t ext;
688	caddr_t data;
689	uint16_t size;
690	uint8_t refcnt;
691	uint8_t mbuf_flags;
692};
693
694struct sctp_cwnd_log {
695	uint32_t time_event;
696	uint8_t from;
697	uint8_t event_type;
698	uint8_t resv[2];
699	union {
700		struct sctp_log_closing close;
701		struct sctp_blk_args blk;
702		struct sctp_cwnd_args cwnd;
703		struct sctp_str_log strlog;
704		struct sctp_fr_log fr;
705		struct sctp_fr_map map;
706		struct sctp_rwnd_log rwnd;
707		struct sctp_mbcnt_log mbcnt;
708		struct sctp_sack_log sack;
709		struct sctp_lock_log lock;
710		struct sctp_rto_log rto;
711		struct sctp_sb_log sb;
712		struct sctp_nagle_log nagle;
713		struct sctp_sbwake_log wake;
714		struct sctp_mbuf_log mb;
715		struct sctp_misc_info misc;
716	}     x;
717};
718
719struct sctp_cwnd_log_req {
720	int num_in_log;		/* Number in log */
721	int num_ret;		/* Number returned */
722	int start_at;		/* start at this one */
723	int end_at;		/* end at this one */
724	struct sctp_cwnd_log log[0];
725};
726
727struct sctpstat {
728	/* MIB according to RFC 3873 */
729	u_long sctps_currestab;	/* sctpStats  1   (Gauge32) */
730	u_long sctps_activeestab;	/* sctpStats  2 (Counter32) */
731	u_long sctps_passiveestab;	/* sctpStats  3 (Counter32) */
732	u_long sctps_aborted;	/* sctpStats  4 (Counter32) */
733	u_long sctps_shutdown;	/* sctpStats  5 (Counter32) */
734	u_long sctps_outoftheblue;	/* sctpStats  6 (Counter32) */
735	u_long sctps_checksumerrors;	/* sctpStats  7 (Counter32) */
736	u_long sctps_outcontrolchunks;	/* sctpStats  8 (Counter64) */
737	u_long sctps_outorderchunks;	/* sctpStats  9 (Counter64) */
738	u_long sctps_outunorderchunks;	/* sctpStats 10 (Counter64) */
739	u_long sctps_incontrolchunks;	/* sctpStats 11 (Counter64) */
740	u_long sctps_inorderchunks;	/* sctpStats 12 (Counter64) */
741	u_long sctps_inunorderchunks;	/* sctpStats 13 (Counter64) */
742	u_long sctps_fragusrmsgs;	/* sctpStats 14 (Counter64) */
743	u_long sctps_reasmusrmsgs;	/* sctpStats 15 (Counter64) */
744	u_long sctps_outpackets;/* sctpStats 16 (Counter64) */
745	u_long sctps_inpackets;	/* sctpStats 17 (Counter64) */
746	u_long sctps_discontinuitytime;	/* sctpStats 18 (TimeStamp) */
747	/* input statistics: */
748	u_long sctps_recvpackets;	/* total input packets        */
749	u_long sctps_recvdatagrams;	/* total input datagrams      */
750	u_long sctps_recvpktwithdata;
751	u_long sctps_recvsacks;	/* total input SACK chunks    */
752	u_long sctps_recvdata;	/* total input DATA chunks    */
753	u_long sctps_recvdupdata;	/* total input duplicate DATA chunks */
754	u_long sctps_recvheartbeat;	/* total input HB chunks      */
755	u_long sctps_recvheartbeatack;	/* total input HB-ACK chunks  */
756	u_long sctps_recvecne;	/* total input ECNE chunks    */
757	u_long sctps_recvauth;	/* total input AUTH chunks    */
758	u_long sctps_recvauthmissing;	/* total input chunks missing AUTH */
759	u_long sctps_recvivalhmacid;	/* total number of invalid HMAC ids
760					 * received */
761	u_long sctps_recvivalkeyid;	/* total number of invalid secret ids
762					 * received */
763	u_long sctps_recvauthfailed;	/* total number of auth failed */
764	u_long sctps_recvexpress;	/* total fast path receives all one
765					 * chunk */
766	u_long sctps_recvexpressm;	/* total fast path multi-part data */
767	/* output statistics: */
768	u_long sctps_sendpackets;	/* total output packets       */
769	u_long sctps_sendsacks;	/* total output SACKs         */
770	u_long sctps_senddata;	/* total output DATA chunks   */
771	u_long sctps_sendretransdata;	/* total output retransmitted DATA
772					 * chunks */
773	u_long sctps_sendfastretrans;	/* total output fast retransmitted
774					 * DATA chunks */
775	u_long sctps_sendmultfastretrans;	/* U-del */
776	u_long sctps_sendheartbeat;	/* total output HB chunks     */
777	u_long sctps_sendecne;	/* total output ECNE chunks    */
778	u_long sctps_sendauth;	/* total output AUTH chunks FIXME   */
779	u_long sctps_senderrors;/* ip_output error counter */
780	/* PCKDROPREP statistics: */
781	u_long sctps_pdrpfmbox;	/* */
782	u_long sctps_pdrpfehos;	/* */
783	u_long sctps_pdrpmbda;	/* */
784	u_long sctps_pdrpmbct;	/* */
785	u_long sctps_pdrpbwrpt;	/* */
786	u_long sctps_pdrpcrupt;	/* */
787	u_long sctps_pdrpnedat;	/* */
788	u_long sctps_pdrppdbrk;	/* */
789	u_long sctps_pdrptsnnf;	/* */
790	u_long sctps_pdrpdnfnd;	/* */
791	u_long sctps_pdrpdiwnp;	/* */
792	u_long sctps_pdrpdizrw;	/* */
793	u_long sctps_pdrpbadd;	/* */
794	u_long sctps_pdrpmark;	/* */
795	/* timeouts */
796	u_long sctps_timoiterator;	/* */
797	u_long sctps_timodata;	/* */
798	u_long sctps_timowindowprobe;	/* */
799	u_long sctps_timoinit;	/* */
800	u_long sctps_timosack;	/* */
801	u_long sctps_timoshutdown;	/* */
802	u_long sctps_timoheartbeat;	/* */
803	u_long sctps_timocookie;/* */
804	u_long sctps_timosecret;/* */
805	u_long sctps_timopathmtu;	/* */
806	u_long sctps_timoshutdownack;	/* */
807	u_long sctps_timoshutdownguard;	/* */
808	u_long sctps_timostrmrst;	/* */
809	u_long sctps_timoearlyfr;	/* */
810	u_long sctps_timoasconf;/* */
811	u_long sctps_timoautoclose;	/* */
812	u_long sctps_timoassockill;	/* */
813	u_long sctps_timoinpkill;	/* */
814	/* Early fast retransmission counters */
815	u_long sctps_earlyfrstart;
816	u_long sctps_earlyfrstop;
817	u_long sctps_earlyfrmrkretrans;
818	u_long sctps_earlyfrstpout;
819	u_long sctps_earlyfrstpidsck1;
820	u_long sctps_earlyfrstpidsck2;
821	u_long sctps_earlyfrstpidsck3;
822	u_long sctps_earlyfrstpidsck4;
823	u_long sctps_earlyfrstrid;
824	u_long sctps_earlyfrstrout;
825	u_long sctps_earlyfrstrtmr;
826	/* otheres */
827	u_long sctps_hdrops;	/* packet shorter than header */
828	u_long sctps_badsum;	/* checksum error             */
829	u_long sctps_noport;	/* no endpoint for port       */
830	u_long sctps_badvtag;	/* bad v-tag                  */
831	u_long sctps_badsid;	/* bad SID                    */
832	u_long sctps_nomem;	/* no memory                  */
833	u_long sctps_fastretransinrtt;	/* number of multiple FR in a RTT
834					 * window */
835	u_long sctps_markedretrans;
836	u_long sctps_naglesent;	/* nagle allowed sending      */
837	u_long sctps_naglequeued;	/* nagle does't allow sending */
838	u_long sctps_maxburstqueued;	/* max burst dosn't allow sending */
839	u_long sctps_ifnomemqueued;	/* */
840	u_long sctps_windowprobed;	/* total number of window probes sent */
841	u_long sctps_lowlevelerr;
842	u_long sctps_lowlevelerrusr;
843	u_long sctps_datadropchklmt;
844	u_long sctps_datadroprwnd;
845	u_long sctps_ecnereducedcwnd;
846	u_long sctps_vtagexpress;	/* Used express lookup via vtag */
847	u_long sctps_vtagbogus;	/* Collision in express lookup. */
848	u_long sctps_primary_randry;	/* Number of times the sender ran dry
849					 * of user data on primary */
850	u_long sctps_cmt_randry;/* Same for above */
851	u_long sctps_slowpath_sack;	/* Sacks the slow way */
852	u_long sctps_wu_sacks_sent;	/* Window Update only sacks sent */
853	u_long sctps_locks_in_rcv;	/* How man so_rcv buf locks we did */
854	u_long sctps_locks_in_rcva;	/* How man so_rcv buf locks we did */
855	u_long sctps_locks_in_rcvb;	/* How man so_rcv buf locks we did */
856	u_long sctps_locks_in_rcvc;	/* How man so_rcv buf locks we did */
857	u_long sctps_locks_in_rcvd;	/* How man so_rcv buf locks we did */
858	u_long sctps_locks_in_rcve;	/* How man so_rcv buf locks we did */
859	u_long sctps_locks_in_rcvf;	/* How man so_rcv buf locks we did */
860};
861
862#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
863#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
864#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d)
865#define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d))
866/* The following macros are for handling MIB values, */
867#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
868#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
869#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
870#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
871#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
872#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
873
874/*
875 * Kernel defined for sctp_send
876 */
877#if defined(_KERNEL)
878int
879sctp_lower_sosend(struct socket *so,
880    struct sockaddr *addr,
881    struct uio *uio,
882    struct mbuf *top,
883    struct mbuf *control,
884    int flags,
885    int use_rcvinfo,
886    struct sctp_sndrcvinfo *srcv,
887    struct thread *p
888);
889
890int
891sctp_sorecvmsg(struct socket *so,
892    struct uio *uio,
893    struct mbuf **mp,
894    struct sockaddr *from,
895    int fromlen,
896    int *msg_flags,
897    struct sctp_sndrcvinfo *sinfo,
898    int filling_sinfo);
899
900
901#endif
902
903/*
904 * API system calls
905 */
906
907#if !(defined(_KERNEL))
908
909__BEGIN_DECLS
910int sctp_peeloff __P((int, sctp_assoc_t));
911int sctp_bindx __P((int, struct sockaddr *, int, int));
912int sctp_connectx __P((int, const struct sockaddr *, int));
913int sctp_getaddrlen __P((sa_family_t));
914int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
915void sctp_freepaddrs __P((struct sockaddr *));
916int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
917void sctp_freeladdrs __P((struct sockaddr *));
918int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
919
920ssize_t sctp_sendmsg
921__P((int, const void *, size_t,
922    const struct sockaddr *,
923    socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
924
925	ssize_t sctp_send __P((int sd, const void *msg, size_t len,
926              const struct sctp_sndrcvinfo *sinfo, int flags));
927
928	ssize_t
929	sctp_sendx __P((int sd, const void *msg, size_t len,
930               struct sockaddr *addrs, int addrcnt,
931               struct sctp_sndrcvinfo *sinfo, int flags));
932	ssize_t
933	sctp_sendmsgx __P((int sd, const void *, size_t,
934                  struct sockaddr *, int,
935                  uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
936
937sctp_assoc_t
938sctp_getassocid __P((int sd, struct sockaddr *sa));
939
940	ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
941                 socklen_t *, struct sctp_sndrcvinfo *, int *));
942
943__END_DECLS
944
945#endif				/* !_KERNEL */
946#endif				/* !__sctp_uio_h__ */
947