1/*-
2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
4 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * a) Redistributions of source code must retain the above copyright notice,
10 *    this list of conditions and the following disclaimer.
11 *
12 * b) Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in
14 *    the documentation and/or other materials provided with the distribution.
15 *
16 * c) Neither the name of Cisco Systems, Inc. nor the names of its
17 *    contributors may be used to endorse or promote products derived
18 *    from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#ifdef __FreeBSD__
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/netinet/sctp_uio.h 269945 2014-08-13 15:50:16Z tuexen $");
36#endif
37
38#ifndef _NETINET_SCTP_UIO_H_
39#define _NETINET_SCTP_UIO_H_
40
41#if (defined(__APPLE__) && defined(KERNEL))
42#ifndef _KERNEL
43#define _KERNEL
44#endif
45#endif
46
47#if !(defined(__Windows__)) && !defined(__Userspace_os_Windows)
48#if ! defined(_KERNEL)
49#include <stdint.h>
50#endif
51#include <sys/types.h>
52#include <sys/socket.h>
53#include <netinet/in.h>
54#endif
55#if defined(__Windows__)
56#pragma warning(push)
57#pragma warning(disable: 4200)
58#if defined(_KERNEL)
59#include <sys/types.h>
60#include <sys/socket.h>
61#include <netinet/in.h>
62#endif
63#endif
64
65typedef uint32_t sctp_assoc_t;
66
67#define SCTP_FUTURE_ASSOC  0
68#define SCTP_CURRENT_ASSOC 1
69#define SCTP_ALL_ASSOC     2
70
71struct sctp_event {
72	sctp_assoc_t se_assoc_id;
73	uint16_t     se_type;
74	uint8_t      se_on;
75};
76
77/* Compatibility to previous define's */
78#define sctp_stream_reset_events sctp_stream_reset_event
79
80/* On/Off setup for subscription to events */
81struct sctp_event_subscribe {
82	uint8_t sctp_data_io_event;
83	uint8_t sctp_association_event;
84	uint8_t sctp_address_event;
85	uint8_t sctp_send_failure_event;
86	uint8_t sctp_peer_error_event;
87	uint8_t sctp_shutdown_event;
88	uint8_t sctp_partial_delivery_event;
89	uint8_t sctp_adaptation_layer_event;
90	uint8_t sctp_authentication_event;
91	uint8_t sctp_sender_dry_event;
92	uint8_t sctp_stream_reset_event;
93};
94
95/* ancillary data types */
96#define SCTP_INIT	0x0001
97#define SCTP_SNDRCV	0x0002
98#define SCTP_EXTRCV	0x0003
99#define SCTP_SNDINFO    0x0004
100#define SCTP_RCVINFO    0x0005
101#define SCTP_NXTINFO    0x0006
102#define SCTP_PRINFO     0x0007
103#define SCTP_AUTHINFO   0x0008
104#define SCTP_DSTADDRV4  0x0009
105#define SCTP_DSTADDRV6  0x000a
106
107/*
108 * ancillary data structures
109 */
110struct sctp_initmsg {
111#if defined(__FreeBSD__) && __FreeBSD_version < 800000
112	/* This is a bug. Not fixed for ABI compatibility */
113	uint32_t sinit_num_ostreams;
114	uint32_t sinit_max_instreams;
115#else
116	uint16_t sinit_num_ostreams;
117	uint16_t sinit_max_instreams;
118#endif
119	uint16_t sinit_max_attempts;
120	uint16_t sinit_max_init_timeo;
121};
122
123/* We add 96 bytes to the size of sctp_sndrcvinfo.
124 * This makes the current structure 128 bytes long
125 * which is nicely 64 bit aligned but also has room
126 * for us to add more and keep ABI compatibility.
127 * For example, already we have the sctp_extrcvinfo
128 * when enabled which is 48 bytes.
129 */
130
131/*
132 * The assoc up needs a verfid
133 * all sendrcvinfo's need a verfid for SENDING only.
134 */
135
136
137#define SCTP_ALIGN_RESV_PAD 92
138#define SCTP_ALIGN_RESV_PAD_SHORT 76
139
140struct sctp_sndrcvinfo {
141	uint16_t sinfo_stream;
142	uint16_t sinfo_ssn;
143	uint16_t sinfo_flags;
144#if defined(__FreeBSD__) && __FreeBSD_version < 800000
145	uint16_t sinfo_pr_policy;
146#endif
147	uint32_t sinfo_ppid;
148	uint32_t sinfo_context;
149	uint32_t sinfo_timetolive;
150	uint32_t sinfo_tsn;
151	uint32_t sinfo_cumtsn;
152	sctp_assoc_t sinfo_assoc_id;
153	uint16_t sinfo_keynumber;
154	uint16_t sinfo_keynumber_valid;
155	uint8_t  __reserve_pad[SCTP_ALIGN_RESV_PAD];
156};
157
158struct sctp_extrcvinfo {
159	uint16_t sinfo_stream;
160	uint16_t sinfo_ssn;
161	uint16_t sinfo_flags;
162#if defined(__FreeBSD__) && __FreeBSD_version < 800000
163	uint16_t sinfo_pr_policy;
164#endif
165	uint32_t sinfo_ppid;
166	uint32_t sinfo_context;
167	uint32_t sinfo_timetolive;
168	uint32_t sinfo_tsn;
169	uint32_t sinfo_cumtsn;
170	sctp_assoc_t sinfo_assoc_id;
171	uint16_t sreinfo_next_flags;
172	uint16_t sreinfo_next_stream;
173	uint32_t sreinfo_next_aid;
174	uint32_t sreinfo_next_length;
175	uint32_t sreinfo_next_ppid;
176	uint16_t sinfo_keynumber;
177	uint16_t sinfo_keynumber_valid;
178	uint8_t  __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
179};
180
181struct sctp_sndinfo {
182	uint16_t snd_sid;
183	uint16_t snd_flags;
184	uint32_t snd_ppid;
185	uint32_t snd_context;
186	sctp_assoc_t snd_assoc_id;
187};
188
189struct sctp_prinfo {
190	uint16_t pr_policy;
191	uint32_t pr_value;
192};
193
194struct sctp_default_prinfo {
195	uint16_t pr_policy;
196	uint32_t pr_value;
197	sctp_assoc_t pr_assoc_id;
198};
199
200struct sctp_authinfo {
201	uint16_t auth_keynumber;
202};
203
204struct sctp_rcvinfo {
205	uint16_t rcv_sid;
206	uint16_t rcv_ssn;
207	uint16_t rcv_flags;
208	uint32_t rcv_ppid;
209	uint32_t rcv_tsn;
210	uint32_t rcv_cumtsn;
211	uint32_t rcv_context;
212	sctp_assoc_t rcv_assoc_id;
213};
214
215struct sctp_nxtinfo {
216	uint16_t nxt_sid;
217	uint16_t nxt_flags;
218	uint32_t nxt_ppid;
219	uint32_t nxt_length;
220	sctp_assoc_t nxt_assoc_id;
221};
222
223#define SCTP_NO_NEXT_MSG           0x0000
224#define SCTP_NEXT_MSG_AVAIL        0x0001
225#define SCTP_NEXT_MSG_ISCOMPLETE   0x0002
226#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
227#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
228
229struct sctp_recvv_rn {
230	struct sctp_rcvinfo recvv_rcvinfo;
231	struct sctp_nxtinfo recvv_nxtinfo;
232};
233
234#define SCTP_RECVV_NOINFO  0
235#define SCTP_RECVV_RCVINFO 1
236#define SCTP_RECVV_NXTINFO 2
237#define SCTP_RECVV_RN      3
238
239#define SCTP_SENDV_NOINFO   0
240#define SCTP_SENDV_SNDINFO  1
241#define SCTP_SENDV_PRINFO   2
242#define SCTP_SENDV_AUTHINFO 3
243#define SCTP_SENDV_SPA      4
244
245struct sctp_sendv_spa {
246	uint32_t sendv_flags;
247	struct sctp_sndinfo sendv_sndinfo;
248	struct sctp_prinfo sendv_prinfo;
249	struct sctp_authinfo sendv_authinfo;
250};
251
252#define SCTP_SEND_SNDINFO_VALID  0x00000001
253#define SCTP_SEND_PRINFO_VALID   0x00000002
254#define SCTP_SEND_AUTHINFO_VALID 0x00000004
255
256struct sctp_snd_all_completes {
257	uint16_t sall_stream;
258	uint16_t sall_flags;
259	uint32_t sall_ppid;
260	uint32_t sall_context;
261	uint32_t sall_num_sent;
262	uint32_t sall_num_failed;
263};
264
265/* Flags that go into the sinfo->sinfo_flags field */
266#define SCTP_NOTIFICATION     0x0010 /* next message is a notification */
267#define SCTP_COMPLETE         0x0020 /* next message is complete */
268#define SCTP_EOF              0x0100 /* Start shutdown procedures */
269#define SCTP_ABORT            0x0200 /* Send an ABORT to peer */
270#define SCTP_UNORDERED        0x0400 /* Message is un-ordered */
271#define SCTP_ADDR_OVER        0x0800 /* Override the primary-address */
272#define SCTP_SENDALL          0x1000 /* Send this on all associations */
273#define SCTP_EOR              0x2000 /* end of message signal */
274#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
275
276#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \
277                                    & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
278				        SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
279					SCTP_SACK_IMMEDIATELY)) != 0)
280/* for the endpoint */
281
282/* The lower four bits is an enumeration of PR-SCTP policies */
283#define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */
284#define SCTP_PR_SCTP_TTL  0x0001 /* Time based PR-SCTP */
285#define SCTP_PR_SCTP_BUF  0x0002 /* Buffer based PR-SCTP */
286#define SCTP_PR_SCTP_RTX  0x0003 /* Number of retransmissions based PR-SCTP */
287#define SCTP_PR_SCTP_MAX  SCTP_PR_SCTP_RTX
288#define SCTP_PR_SCTP_ALL  0x000f /* Used for aggregated stats */
289
290#define PR_SCTP_POLICY(x)         ((x) & 0x0f)
291#define PR_SCTP_ENABLED(x)        ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \
292                                   (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL))
293#define PR_SCTP_TTL_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
294#define PR_SCTP_BUF_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
295#define PR_SCTP_RTX_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
296#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_MAX)
297#define PR_SCTP_VALID_POLICY(x)   (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX)
298
299/* Stat's */
300struct sctp_pcbinfo {
301	uint32_t ep_count;
302	uint32_t asoc_count;
303	uint32_t laddr_count;
304	uint32_t raddr_count;
305	uint32_t chk_count;
306	uint32_t readq_count;
307	uint32_t free_chunks;
308	uint32_t stream_oque;
309};
310
311struct sctp_sockstat {
312	sctp_assoc_t ss_assoc_id;
313	uint32_t ss_total_sndbuf;
314	uint32_t ss_total_recv_buf;
315};
316
317/*
318 * notification event structures
319 */
320
321/*
322 * association change event
323 */
324struct sctp_assoc_change {
325	uint16_t sac_type;
326	uint16_t sac_flags;
327	uint32_t sac_length;
328	uint16_t sac_state;
329	uint16_t sac_error;
330	uint16_t sac_outbound_streams;
331	uint16_t sac_inbound_streams;
332	sctp_assoc_t sac_assoc_id;
333	uint8_t sac_info[];
334};
335
336/* sac_state values */
337#define SCTP_COMM_UP            0x0001
338#define SCTP_COMM_LOST          0x0002
339#define SCTP_RESTART            0x0003
340#define SCTP_SHUTDOWN_COMP      0x0004
341#define SCTP_CANT_STR_ASSOC     0x0005
342
343/* sac_info values */
344#define SCTP_ASSOC_SUPPORTS_PR        0x01
345#define SCTP_ASSOC_SUPPORTS_AUTH      0x02
346#define SCTP_ASSOC_SUPPORTS_ASCONF    0x03
347#define SCTP_ASSOC_SUPPORTS_MULTIBUF  0x04
348#define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05
349#define SCTP_ASSOC_SUPPORTS_MAX       0x05
350/*
351 * Address event
352 */
353struct sctp_paddr_change {
354	uint16_t spc_type;
355	uint16_t spc_flags;
356	uint32_t spc_length;
357	struct sockaddr_storage spc_aaddr;
358	uint32_t spc_state;
359	uint32_t spc_error;
360	sctp_assoc_t spc_assoc_id;
361};
362
363/* paddr state values */
364#define SCTP_ADDR_AVAILABLE	0x0001
365#define SCTP_ADDR_UNREACHABLE	0x0002
366#define SCTP_ADDR_REMOVED	0x0003
367#define SCTP_ADDR_ADDED		0x0004
368#define SCTP_ADDR_MADE_PRIM	0x0005
369#define SCTP_ADDR_CONFIRMED	0x0006
370
371#define SCTP_ACTIVE		0x0001	/* SCTP_ADDR_REACHABLE */
372#define SCTP_INACTIVE		0x0002	/* neither SCTP_ADDR_REACHABLE
373					   nor SCTP_ADDR_UNCONFIRMED */
374#define SCTP_UNCONFIRMED	0x0200	/* SCTP_ADDR_UNCONFIRMED */
375
376/* remote error events */
377struct sctp_remote_error {
378	uint16_t sre_type;
379	uint16_t sre_flags;
380	uint32_t sre_length;
381	uint16_t sre_error;
382	sctp_assoc_t sre_assoc_id;
383	uint8_t sre_data[];
384};
385
386/* data send failure event (deprecated) */
387struct sctp_send_failed {
388	uint16_t ssf_type;
389	uint16_t ssf_flags;
390	uint32_t ssf_length;
391	uint32_t ssf_error;
392	struct sctp_sndrcvinfo ssf_info;
393	sctp_assoc_t ssf_assoc_id;
394	uint8_t ssf_data[];
395};
396
397/* data send failure event (not deprecated) */
398struct sctp_send_failed_event {
399	uint16_t ssfe_type;
400	uint16_t ssfe_flags;
401	uint32_t ssfe_length;
402	uint32_t ssfe_error;
403	struct sctp_sndinfo ssfe_info;
404	sctp_assoc_t ssfe_assoc_id;
405	uint8_t  ssfe_data[];
406};
407
408/* flag that indicates state of data */
409#define SCTP_DATA_UNSENT	0x0001	/* inqueue never on wire */
410#define SCTP_DATA_SENT		0x0002	/* on wire at failure */
411
412/* shutdown event */
413struct sctp_shutdown_event {
414	uint16_t sse_type;
415	uint16_t sse_flags;
416	uint32_t sse_length;
417	sctp_assoc_t sse_assoc_id;
418};
419
420/* Adaptation layer indication stuff */
421struct sctp_adaptation_event {
422	uint16_t sai_type;
423	uint16_t sai_flags;
424	uint32_t sai_length;
425	uint32_t sai_adaptation_ind;
426	sctp_assoc_t sai_assoc_id;
427};
428
429struct sctp_setadaptation {
430	uint32_t ssb_adaptation_ind;
431};
432
433/* compatible old spelling */
434struct sctp_adaption_event {
435	uint16_t sai_type;
436	uint16_t sai_flags;
437	uint32_t sai_length;
438	uint32_t sai_adaption_ind;
439	sctp_assoc_t sai_assoc_id;
440};
441
442struct sctp_setadaption {
443	uint32_t ssb_adaption_ind;
444};
445
446
447/*
448 * Partial Delivery API event
449 */
450struct sctp_pdapi_event {
451	uint16_t pdapi_type;
452	uint16_t pdapi_flags;
453	uint32_t pdapi_length;
454	uint32_t pdapi_indication;
455	uint16_t pdapi_stream;
456	uint16_t pdapi_seq;
457	sctp_assoc_t pdapi_assoc_id;
458};
459
460/* indication values */
461#define SCTP_PARTIAL_DELIVERY_ABORTED	0x0001
462
463
464/*
465 * authentication key event
466 */
467struct sctp_authkey_event {
468	uint16_t auth_type;
469	uint16_t auth_flags;
470	uint32_t auth_length;
471	uint16_t auth_keynumber;
472	uint16_t auth_altkeynumber;
473	uint32_t auth_indication;
474	sctp_assoc_t auth_assoc_id;
475};
476
477/* indication values */
478#define SCTP_AUTH_NEW_KEY	0x0001
479#define SCTP_AUTH_NEWKEY	SCTP_AUTH_NEW_KEY
480#define SCTP_AUTH_NO_AUTH	0x0002
481#define SCTP_AUTH_FREE_KEY	0x0003
482
483
484struct sctp_sender_dry_event {
485	uint16_t sender_dry_type;
486	uint16_t sender_dry_flags;
487	uint32_t sender_dry_length;
488	sctp_assoc_t sender_dry_assoc_id;
489};
490
491
492/*
493 * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT
494 */
495struct sctp_stream_reset_event {
496	uint16_t strreset_type;
497	uint16_t strreset_flags;
498	uint32_t strreset_length;
499	sctp_assoc_t strreset_assoc_id;
500	uint16_t strreset_stream_list[];
501};
502
503/* flags in stream_reset_event (strreset_flags) */
504#define SCTP_STREAM_RESET_INCOMING_SSN  0x0001
505#define SCTP_STREAM_RESET_OUTGOING_SSN  0x0002
506#define SCTP_STREAM_RESET_DENIED        0x0004
507#define SCTP_STREAM_RESET_FAILED        0x0008
508
509/*
510 * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT
511 */
512struct sctp_assoc_reset_event {
513	uint16_t 	assocreset_type;
514	uint16_t	assocreset_flags;
515	uint32_t	assocreset_length;
516	sctp_assoc_t	assocreset_assoc_id;
517	uint32_t	assocreset_local_tsn;
518	uint32_t	assocreset_remote_tsn;
519};
520
521#define SCTP_ASSOC_RESET_DENIED		0x0004
522#define SCTP_ASSOC_RESET_FAILED		0x0008
523
524/*
525 * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT
526 */
527struct sctp_stream_change_event {
528	uint16_t	strchange_type;
529	uint16_t	strchange_flags;
530	uint32_t	strchange_length;
531	sctp_assoc_t	strchange_assoc_id;
532	uint16_t	strchange_instrms;
533	uint16_t	strchange_outstrms;
534};
535
536#define SCTP_STREAM_CHANGE_DENIED	0x0004
537#define SCTP_STREAM_CHANGE_FAILED	0x0008
538
539
540/* SCTP notification event */
541struct sctp_tlv {
542	uint16_t sn_type;
543	uint16_t sn_flags;
544	uint32_t sn_length;
545};
546
547union sctp_notification {
548	struct sctp_tlv sn_header;
549	struct sctp_assoc_change sn_assoc_change;
550	struct sctp_paddr_change sn_paddr_change;
551	struct sctp_remote_error sn_remote_error;
552	struct sctp_send_failed sn_send_failed;
553	struct sctp_shutdown_event sn_shutdown_event;
554	struct sctp_adaptation_event sn_adaptation_event;
555	/* compatibility same as above */
556	struct sctp_adaption_event sn_adaption_event;
557	struct sctp_pdapi_event sn_pdapi_event;
558	struct sctp_authkey_event sn_auth_event;
559	struct sctp_sender_dry_event sn_sender_dry_event;
560	struct sctp_send_failed_event sn_send_failed_event;
561	struct sctp_stream_reset_event sn_strreset_event;
562	struct sctp_assoc_reset_event  sn_assocreset_event;
563	struct sctp_stream_change_event sn_strchange_event;
564};
565
566/* notification types */
567#define SCTP_ASSOC_CHANGE                       0x0001
568#define SCTP_PEER_ADDR_CHANGE                   0x0002
569#define SCTP_REMOTE_ERROR                       0x0003
570#define SCTP_SEND_FAILED                        0x0004
571#define SCTP_SHUTDOWN_EVENT                     0x0005
572#define SCTP_ADAPTATION_INDICATION              0x0006
573/* same as above */
574#define SCTP_ADAPTION_INDICATION                0x0006
575#define SCTP_PARTIAL_DELIVERY_EVENT             0x0007
576#define SCTP_AUTHENTICATION_EVENT               0x0008
577#define SCTP_STREAM_RESET_EVENT                 0x0009
578#define SCTP_SENDER_DRY_EVENT                   0x000a
579#define SCTP_NOTIFICATIONS_STOPPED_EVENT        0x000b /* we don't send this*/
580#define SCTP_ASSOC_RESET_EVENT                  0x000c
581#define SCTP_STREAM_CHANGE_EVENT                0x000d
582#define SCTP_SEND_FAILED_EVENT                  0x000e
583/*
584 * socket option structs
585 */
586
587struct sctp_paddrparams {
588	struct sockaddr_storage spp_address;
589	sctp_assoc_t spp_assoc_id;
590	uint32_t spp_hbinterval;
591	uint32_t spp_pathmtu;
592	uint32_t spp_flags;
593	uint32_t spp_ipv6_flowlabel;
594	uint16_t spp_pathmaxrxt;
595	uint8_t spp_dscp;
596};
597#define spp_ipv4_tos spp_dscp
598
599#define SPP_HB_ENABLE		0x00000001
600#define SPP_HB_DISABLE		0x00000002
601#define SPP_HB_DEMAND		0x00000004
602#define SPP_PMTUD_ENABLE	0x00000008
603#define SPP_PMTUD_DISABLE	0x00000010
604#define SPP_HB_TIME_IS_ZERO     0x00000080
605#define SPP_IPV6_FLOWLABEL      0x00000100
606#define SPP_DSCP                0x00000200
607#define SPP_IPV4_TOS            SPP_DSCP
608
609struct sctp_paddrthlds {
610	struct sockaddr_storage spt_address;
611	sctp_assoc_t spt_assoc_id;
612	uint16_t spt_pathmaxrxt;
613	uint16_t spt_pathpfthld;
614};
615
616struct sctp_paddrinfo {
617	struct sockaddr_storage spinfo_address;
618	sctp_assoc_t spinfo_assoc_id;
619	int32_t spinfo_state;
620	uint32_t spinfo_cwnd;
621	uint32_t spinfo_srtt;
622	uint32_t spinfo_rto;
623	uint32_t spinfo_mtu;
624};
625
626struct sctp_rtoinfo {
627	sctp_assoc_t srto_assoc_id;
628	uint32_t srto_initial;
629	uint32_t srto_max;
630	uint32_t srto_min;
631};
632
633struct sctp_assocparams {
634	sctp_assoc_t sasoc_assoc_id;
635	uint32_t sasoc_peer_rwnd;
636	uint32_t sasoc_local_rwnd;
637	uint32_t sasoc_cookie_life;
638	uint16_t sasoc_asocmaxrxt;
639	uint16_t sasoc_number_peer_destinations;
640};
641
642struct sctp_setprim {
643	struct sockaddr_storage ssp_addr;
644	sctp_assoc_t ssp_assoc_id;
645	uint8_t ssp_padding[4];
646};
647
648struct sctp_setpeerprim {
649	struct sockaddr_storage sspp_addr;
650	sctp_assoc_t sspp_assoc_id;
651	uint8_t sspp_padding[4];
652};
653
654struct sctp_getaddresses {
655	sctp_assoc_t sget_assoc_id;
656	/* addr is filled in for N * sockaddr_storage */
657	struct sockaddr addr[1];
658};
659
660struct sctp_status {
661	sctp_assoc_t sstat_assoc_id;
662	int32_t sstat_state;
663	uint32_t sstat_rwnd;
664	uint16_t sstat_unackdata;
665	uint16_t sstat_penddata;
666	uint16_t sstat_instrms;
667	uint16_t sstat_outstrms;
668	uint32_t sstat_fragmentation_point;
669	struct sctp_paddrinfo sstat_primary;
670};
671
672/*
673 * AUTHENTICATION support
674 */
675/* SCTP_AUTH_CHUNK */
676struct sctp_authchunk {
677	uint8_t sauth_chunk;
678};
679
680/* SCTP_AUTH_KEY */
681struct sctp_authkey {
682	sctp_assoc_t sca_assoc_id;
683	uint16_t sca_keynumber;
684	uint16_t sca_keylength;
685	uint8_t sca_key[];
686};
687
688/* SCTP_HMAC_IDENT */
689struct sctp_hmacalgo {
690	uint32_t shmac_number_of_idents;
691	uint16_t shmac_idents[];
692};
693
694/* AUTH hmac_id */
695#define SCTP_AUTH_HMAC_ID_RSVD		0x0000
696#define SCTP_AUTH_HMAC_ID_SHA1		0x0001	/* default, mandatory */
697#define SCTP_AUTH_HMAC_ID_SHA256	0x0003
698
699/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
700struct sctp_authkeyid {
701	sctp_assoc_t scact_assoc_id;
702	uint16_t scact_keynumber;
703};
704
705/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
706struct sctp_authchunks {
707	sctp_assoc_t gauth_assoc_id;
708	uint32_t gauth_number_of_chunks;
709	uint8_t gauth_chunks[];
710};
711
712struct sctp_assoc_value {
713	sctp_assoc_t assoc_id;
714	uint32_t assoc_value;
715};
716
717struct sctp_cc_option {
718	int option;
719	struct sctp_assoc_value aid_value;
720};
721
722struct sctp_stream_value {
723	sctp_assoc_t assoc_id;
724	uint16_t stream_id;
725	uint16_t stream_value;
726};
727
728struct sctp_assoc_ids {
729	uint32_t gaids_number_of_ids;
730	sctp_assoc_t gaids_assoc_id[];
731};
732
733struct sctp_sack_info {
734	sctp_assoc_t sack_assoc_id;
735	uint32_t sack_delay;
736	uint32_t sack_freq;
737};
738
739struct sctp_timeouts {
740	sctp_assoc_t stimo_assoc_id;
741	uint32_t stimo_init;
742	uint32_t stimo_data;
743	uint32_t stimo_sack;
744	uint32_t stimo_shutdown;
745	uint32_t stimo_heartbeat;
746	uint32_t stimo_cookie;
747	uint32_t stimo_shutdownack;
748};
749
750struct sctp_udpencaps {
751	struct sockaddr_storage sue_address;
752	sctp_assoc_t sue_assoc_id;
753	uint16_t sue_port;
754};
755
756struct sctp_prstatus {
757	sctp_assoc_t sprstat_assoc_id;
758	uint16_t sprstat_sid;
759	uint16_t sprstat_policy;
760	uint64_t sprstat_abandoned_unsent;
761	uint64_t sprstat_abandoned_sent;
762};
763
764struct sctp_cwnd_args {
765	struct sctp_nets *net;	/* network to */ /* FIXME: LP64 issue */
766	uint32_t cwnd_new_value;/* cwnd in k */
767	uint32_t pseudo_cumack;
768	uint16_t inflight;	/* flightsize in k */
769	uint16_t cwnd_augment;	/* increment to it */
770	uint8_t meets_pseudo_cumack;
771	uint8_t need_new_pseudo_cumack;
772	uint8_t cnt_in_send;
773	uint8_t cnt_in_str;
774};
775
776struct sctp_blk_args {
777	uint32_t onsb;		/* in 1k bytes */
778	uint32_t sndlen;	/* len of send being attempted */
779	uint32_t peer_rwnd;	/* rwnd of peer */
780	uint16_t send_sent_qcnt;/* chnk cnt */
781	uint16_t stream_qcnt;	/* chnk cnt */
782	uint16_t chunks_on_oque;/* chunks out */
783	uint16_t flight_size;   /* flight size in k */
784};
785
786/*
787 * Max we can reset in one setting, note this is dictated not by the define
788 * but the size of a mbuf cluster so don't change this define and think you
789 * can specify more. You must do multiple resets if you want to reset more
790 * than SCTP_MAX_EXPLICIT_STR_RESET.
791 */
792#define SCTP_MAX_EXPLICT_STR_RESET   1000
793
794struct sctp_reset_streams {
795	sctp_assoc_t srs_assoc_id;
796	uint16_t srs_flags;
797	uint16_t srs_number_streams;	/* 0 == ALL */
798	uint16_t srs_stream_list[];/* list if strrst_num_streams is not 0 */
799};
800
801struct sctp_add_streams {
802	sctp_assoc_t	sas_assoc_id;
803	uint16_t	sas_instrms;
804	uint16_t	sas_outstrms;
805};
806
807struct sctp_get_nonce_values {
808	sctp_assoc_t gn_assoc_id;
809	uint32_t gn_peers_tag;
810	uint32_t gn_local_tag;
811};
812
813/* Debugging logs */
814struct sctp_str_log {
815	void *stcb; /* FIXME: LP64 issue */
816	uint32_t n_tsn;
817	uint32_t e_tsn;
818	uint16_t n_sseq;
819	uint16_t e_sseq;
820	uint16_t strm;
821};
822
823struct sctp_sb_log {
824	void  *stcb; /* FIXME: LP64 issue */
825	uint32_t so_sbcc;
826	uint32_t stcb_sbcc;
827	uint32_t incr;
828};
829
830struct sctp_fr_log {
831	uint32_t largest_tsn;
832	uint32_t largest_new_tsn;
833	uint32_t tsn;
834};
835
836struct sctp_fr_map {
837	uint32_t base;
838	uint32_t cum;
839	uint32_t high;
840};
841
842struct sctp_rwnd_log {
843	uint32_t rwnd;
844	uint32_t send_size;
845	uint32_t overhead;
846	uint32_t new_rwnd;
847};
848
849struct sctp_mbcnt_log {
850	uint32_t total_queue_size;
851	uint32_t size_change;
852	uint32_t total_queue_mb_size;
853	uint32_t mbcnt_change;
854};
855
856struct sctp_sack_log {
857	uint32_t cumack;
858	uint32_t oldcumack;
859	uint32_t tsn;
860	uint16_t numGaps;
861	uint16_t numDups;
862};
863
864struct sctp_lock_log {
865	void *sock;  /* FIXME: LP64 issue */
866	void *inp; /* FIXME: LP64 issue */
867	uint8_t tcb_lock;
868	uint8_t inp_lock;
869	uint8_t info_lock;
870	uint8_t sock_lock;
871	uint8_t sockrcvbuf_lock;
872	uint8_t socksndbuf_lock;
873	uint8_t create_lock;
874	uint8_t resv;
875};
876
877struct sctp_rto_log {
878	void * net; /* FIXME: LP64 issue */
879	uint32_t rtt;
880};
881
882struct sctp_nagle_log {
883	void  *stcb; /* FIXME: LP64 issue */
884	uint32_t total_flight;
885	uint32_t total_in_queue;
886	uint16_t count_in_queue;
887	uint16_t count_in_flight;
888};
889
890struct sctp_sbwake_log {
891	void *stcb; /* FIXME: LP64 issue */
892	uint16_t send_q;
893	uint16_t sent_q;
894	uint16_t flight;
895	uint16_t wake_cnt;
896	uint8_t stream_qcnt;	/* chnk cnt */
897	uint8_t chunks_on_oque;/* chunks out */
898	uint8_t sbflags;
899	uint8_t sctpflags;
900};
901
902struct sctp_misc_info {
903	uint32_t log1;
904	uint32_t log2;
905	uint32_t log3;
906	uint32_t log4;
907};
908
909struct sctp_log_closing {
910	void *inp; /* FIXME: LP64 issue */
911	void *stcb;  /* FIXME: LP64 issue */
912	uint32_t sctp_flags;
913	uint16_t  state;
914	int16_t  loc;
915};
916
917struct sctp_mbuf_log {
918	struct mbuf *mp; /* FIXME: LP64 issue */
919	caddr_t  ext;
920	caddr_t  data;
921	uint16_t size;
922	uint8_t  refcnt;
923	uint8_t  mbuf_flags;
924};
925
926struct sctp_cwnd_log {
927	uint64_t time_event;
928	uint8_t  from;
929	uint8_t  event_type;
930	uint8_t  resv[2];
931	union {
932		struct sctp_log_closing close;
933		struct sctp_blk_args blk;
934		struct sctp_cwnd_args cwnd;
935		struct sctp_str_log strlog;
936		struct sctp_fr_log fr;
937		struct sctp_fr_map map;
938		struct sctp_rwnd_log rwnd;
939		struct sctp_mbcnt_log mbcnt;
940		struct sctp_sack_log sack;
941		struct sctp_lock_log lock;
942		struct sctp_rto_log rto;
943		struct sctp_sb_log sb;
944		struct sctp_nagle_log nagle;
945		struct sctp_sbwake_log wake;
946		struct sctp_mbuf_log mb;
947		struct sctp_misc_info misc;
948	}     x;
949};
950
951struct sctp_cwnd_log_req {
952	int32_t num_in_log;		/* Number in log */
953	int32_t num_ret;		/* Number returned */
954	int32_t start_at;		/* start at this one */
955	int32_t end_at;		        /* end at this one */
956	struct sctp_cwnd_log log[];
957};
958
959struct sctp_timeval {
960	uint32_t tv_sec;
961	uint32_t tv_usec;
962};
963
964struct sctpstat {
965	struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */
966	/* MIB according to RFC 3873 */
967	uint32_t  sctps_currestab;           /* sctpStats  1   (Gauge32) */
968	uint32_t  sctps_activeestab;         /* sctpStats  2 (Counter32) */
969	uint32_t  sctps_restartestab;
970	uint32_t  sctps_collisionestab;
971	uint32_t  sctps_passiveestab;        /* sctpStats  3 (Counter32) */
972	uint32_t  sctps_aborted;             /* sctpStats  4 (Counter32) */
973	uint32_t  sctps_shutdown;            /* sctpStats  5 (Counter32) */
974	uint32_t  sctps_outoftheblue;        /* sctpStats  6 (Counter32) */
975	uint32_t  sctps_checksumerrors;      /* sctpStats  7 (Counter32) */
976	uint32_t  sctps_outcontrolchunks;    /* sctpStats  8 (Counter64) */
977	uint32_t  sctps_outorderchunks;      /* sctpStats  9 (Counter64) */
978	uint32_t  sctps_outunorderchunks;    /* sctpStats 10 (Counter64) */
979	uint32_t  sctps_incontrolchunks;     /* sctpStats 11 (Counter64) */
980	uint32_t  sctps_inorderchunks;       /* sctpStats 12 (Counter64) */
981	uint32_t  sctps_inunorderchunks;     /* sctpStats 13 (Counter64) */
982	uint32_t  sctps_fragusrmsgs;         /* sctpStats 14 (Counter64) */
983	uint32_t  sctps_reasmusrmsgs;        /* sctpStats 15 (Counter64) */
984	uint32_t  sctps_outpackets;          /* sctpStats 16 (Counter64) */
985	uint32_t  sctps_inpackets;           /* sctpStats 17 (Counter64) */
986
987	/* input statistics: */
988	uint32_t  sctps_recvpackets;         /* total input packets        */
989	uint32_t  sctps_recvdatagrams;       /* total input datagrams      */
990	uint32_t  sctps_recvpktwithdata;     /* total packets that had data */
991	uint32_t  sctps_recvsacks;           /* total input SACK chunks    */
992	uint32_t  sctps_recvdata;            /* total input DATA chunks    */
993	uint32_t  sctps_recvdupdata;         /* total input duplicate DATA chunks */
994	uint32_t  sctps_recvheartbeat;       /* total input HB chunks      */
995	uint32_t  sctps_recvheartbeatack;    /* total input HB-ACK chunks  */
996	uint32_t  sctps_recvecne;            /* total input ECNE chunks    */
997	uint32_t  sctps_recvauth;            /* total input AUTH chunks    */
998	uint32_t  sctps_recvauthmissing;     /* total input chunks missing AUTH */
999	uint32_t  sctps_recvivalhmacid;      /* total number of invalid HMAC ids received */
1000	uint32_t  sctps_recvivalkeyid;       /* total number of invalid secret ids received */
1001	uint32_t  sctps_recvauthfailed;      /* total number of auth failed */
1002	uint32_t  sctps_recvexpress;         /* total fast path receives all one chunk */
1003	uint32_t  sctps_recvexpressm;        /* total fast path multi-part data */
1004	uint32_t  sctps_recvnocrc;
1005	uint32_t  sctps_recvswcrc;
1006	uint32_t  sctps_recvhwcrc;
1007
1008	/* output statistics: */
1009	uint32_t  sctps_sendpackets;         /* total output packets       */
1010	uint32_t  sctps_sendsacks;           /* total output SACKs         */
1011	uint32_t  sctps_senddata;            /* total output DATA chunks   */
1012	uint32_t  sctps_sendretransdata;     /* total output retransmitted DATA chunks */
1013	uint32_t  sctps_sendfastretrans;     /* total output fast retransmitted DATA chunks */
1014	uint32_t  sctps_sendmultfastretrans; /* total FR's that happened more than once
1015                                              * to same chunk (u-del multi-fr algo).
1016					      */
1017	uint32_t  sctps_sendheartbeat;       /* total output HB chunks     */
1018	uint32_t  sctps_sendecne;            /* total output ECNE chunks    */
1019	uint32_t  sctps_sendauth;            /* total output AUTH chunks FIXME   */
1020	uint32_t  sctps_senderrors;	     /* ip_output error counter */
1021	uint32_t  sctps_sendnocrc;
1022	uint32_t  sctps_sendswcrc;
1023	uint32_t  sctps_sendhwcrc;
1024	/* PCKDROPREP statistics: */
1025	uint32_t  sctps_pdrpfmbox;           /* Packet drop from middle box */
1026	uint32_t  sctps_pdrpfehos;           /* P-drop from end host */
1027	uint32_t  sctps_pdrpmbda;            /* P-drops with data */
1028	uint32_t  sctps_pdrpmbct;            /* P-drops, non-data, non-endhost */
1029	uint32_t  sctps_pdrpbwrpt;           /* P-drop, non-endhost, bandwidth rep only */
1030	uint32_t  sctps_pdrpcrupt;           /* P-drop, not enough for chunk header */
1031	uint32_t  sctps_pdrpnedat;           /* P-drop, not enough data to confirm */
1032	uint32_t  sctps_pdrppdbrk;           /* P-drop, where process_chunk_drop said break */
1033	uint32_t  sctps_pdrptsnnf;           /* P-drop, could not find TSN */
1034	uint32_t  sctps_pdrpdnfnd;           /* P-drop, attempt reverse TSN lookup */
1035	uint32_t  sctps_pdrpdiwnp;           /* P-drop, e-host confirms zero-rwnd */
1036	uint32_t  sctps_pdrpdizrw;           /* P-drop, midbox confirms no space */
1037	uint32_t  sctps_pdrpbadd;            /* P-drop, data did not match TSN */
1038	uint32_t  sctps_pdrpmark;            /* P-drop, TSN's marked for Fast Retran */
1039	/* timeouts */
1040	uint32_t  sctps_timoiterator;        /* Number of iterator timers that fired */
1041	uint32_t  sctps_timodata;            /* Number of T3 data time outs */
1042	uint32_t  sctps_timowindowprobe;     /* Number of window probe (T3) timers that fired */
1043	uint32_t  sctps_timoinit;            /* Number of INIT timers that fired */
1044	uint32_t  sctps_timosack;            /* Number of sack timers that fired */
1045	uint32_t  sctps_timoshutdown;        /* Number of shutdown timers that fired */
1046	uint32_t  sctps_timoheartbeat;       /* Number of heartbeat timers that fired */
1047	uint32_t  sctps_timocookie;          /* Number of times a cookie timeout fired */
1048	uint32_t  sctps_timosecret;          /* Number of times an endpoint changed its cookie secret*/
1049	uint32_t  sctps_timopathmtu;         /* Number of PMTU timers that fired */
1050	uint32_t  sctps_timoshutdownack;     /* Number of shutdown ack timers that fired */
1051	uint32_t  sctps_timoshutdownguard;   /* Number of shutdown guard timers that fired */
1052	uint32_t  sctps_timostrmrst;         /* Number of stream reset timers that fired */
1053	uint32_t  sctps_timoearlyfr;         /* Number of early FR timers that fired */
1054	uint32_t  sctps_timoasconf;          /* Number of times an asconf timer fired */
1055	uint32_t  sctps_timodelprim;	     /* Number of times a prim_deleted timer fired */
1056	uint32_t  sctps_timoautoclose;       /* Number of times auto close timer fired */
1057	uint32_t  sctps_timoassockill;       /* Number of asoc free timers expired */
1058	uint32_t  sctps_timoinpkill;         /* Number of inp free timers expired */
1059	/* former early FR counters */
1060	uint32_t  sctps_spare[11];
1061	/* others */
1062	uint32_t  sctps_hdrops;	          /* packet shorter than header */
1063	uint32_t  sctps_badsum;	          /* checksum error             */
1064	uint32_t  sctps_noport;           /* no endpoint for port       */
1065	uint32_t  sctps_badvtag;          /* bad v-tag                  */
1066	uint32_t  sctps_badsid;           /* bad SID                    */
1067	uint32_t  sctps_nomem;            /* no memory                  */
1068	uint32_t  sctps_fastretransinrtt; /* number of multiple FR in a RTT window */
1069	uint32_t  sctps_markedretrans;
1070	uint32_t  sctps_naglesent;        /* nagle allowed sending      */
1071	uint32_t  sctps_naglequeued;      /* nagle doesn't allow sending */
1072	uint32_t  sctps_maxburstqueued;   /* max burst doesn't allow sending */
1073	uint32_t  sctps_ifnomemqueued;    /* look ahead tells us no memory in
1074                                         * interface ring buffer OR we had a
1075					 * send error and are queuing one send.
1076                                         */
1077	uint32_t  sctps_windowprobed;     /* total number of window probes sent */
1078	uint32_t  sctps_lowlevelerr;	/* total times an output error causes us
1079					 * to clamp down on next user send.
1080					 */
1081	uint32_t  sctps_lowlevelerrusr;	/* total times sctp_senderrors were caused from
1082					 * a user send from a user invoked send not
1083					 * a sack response
1084					 */
1085	uint32_t  sctps_datadropchklmt;	/* Number of in data drops due to chunk limit reached */
1086	uint32_t  sctps_datadroprwnd;	/* Number of in data drops due to rwnd limit reached */
1087	uint32_t  sctps_ecnereducedcwnd;  /* Number of times a ECN reduced the cwnd */
1088	uint32_t  sctps_vtagexpress;	/* Used express lookup via vtag */
1089	uint32_t  sctps_vtagbogus;	/* Collision in express lookup. */
1090	uint32_t  sctps_primary_randry;	/* Number of times the sender ran dry of user data on primary */
1091	uint32_t  sctps_cmt_randry;       /* Same for above */
1092	uint32_t  sctps_slowpath_sack;    /* Sacks the slow way */
1093	uint32_t  sctps_wu_sacks_sent;	/* Window Update only sacks sent */
1094	uint32_t  sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */
1095	uint32_t  sctps_sends_with_unord; /* number of unordered sends */
1096	uint32_t  sctps_sends_with_eof; 	/* number of sends with EOF flag set */
1097	uint32_t  sctps_sends_with_abort; /* number of sends with ABORT flag set */
1098	uint32_t  sctps_protocol_drain_calls;	/* number of times protocol drain called */
1099	uint32_t  sctps_protocol_drains_done; 	/* number of times we did a protocol drain */
1100	uint32_t  sctps_read_peeks;	/* Number of times recv was called with peek */
1101	uint32_t  sctps_cached_chk;       /* Number of cached chunks used */
1102	uint32_t  sctps_cached_strmoq;    /* Number of cached stream oq's used */
1103	uint32_t  sctps_left_abandon;     /* Number of unread messages abandoned by close */
1104	uint32_t  sctps_send_burst_avoid; /* Unused */
1105	uint32_t  sctps_send_cwnd_avoid;  /* Send cwnd full  avoidance, already max burst inflight to net */
1106	uint32_t  sctps_fwdtsn_map_over;  /* number of map array over-runs via fwd-tsn's */
1107	uint32_t  sctps_queue_upd_ecne;  /* Number of times we queued or updated an ECN chunk on send queue */
1108	uint32_t  sctps_reserved[31];     /* Future ABI compat - remove int's from here when adding new */
1109};
1110
1111#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
1112#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
1113#if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
1114#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
1115#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
1116#else
1117#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
1118#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
1119#endif
1120/* The following macros are for handling MIB values, */
1121#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
1122#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
1123#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
1124#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
1125#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
1126#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
1127
1128#if defined(__Userspace__)
1129union sctp_sockstore {
1130#if defined(INET)
1131	struct sockaddr_in sin;
1132#endif
1133#if defined(INET6)
1134	struct sockaddr_in6 sin6;
1135#endif
1136	struct sockaddr_conn sconn;
1137	struct sockaddr sa;
1138};
1139#else
1140union sctp_sockstore {
1141	struct sockaddr_in sin;
1142	struct sockaddr_in6 sin6;
1143	struct sockaddr sa;
1144};
1145#endif
1146
1147
1148/***********************************/
1149/* And something for us old timers */
1150/***********************************/
1151
1152#ifndef __APPLE__
1153#ifndef __Userspace__
1154#ifndef ntohll
1155#if defined(__Userspace_os_Linux)
1156#ifndef _BSD_SOURCE
1157#define _BSD_SOURCE
1158#endif
1159#include <endian.h>
1160#else
1161#include <sys/endian.h>
1162#endif
1163#define ntohll(x) be64toh(x)
1164#endif
1165
1166#ifndef htonll
1167#if defined(__Userspace_os_Linux)
1168#ifndef _BSD_SOURCE
1169#define _BSD_SOURCE
1170#endif
1171#include <endian.h>
1172#else
1173#include <sys/endian.h>
1174#endif
1175#define htonll(x) htobe64(x)
1176#endif
1177#endif
1178#endif
1179/***********************************/
1180
1181
1182struct xsctp_inpcb {
1183	uint32_t last;
1184	uint32_t flags;
1185#if defined(__FreeBSD__) && __FreeBSD_version < 1000048
1186	uint32_t features;
1187#else
1188	uint64_t features;
1189#endif
1190	uint32_t total_sends;
1191	uint32_t total_recvs;
1192	uint32_t total_nospaces;
1193	uint32_t fragmentation_point;
1194	uint16_t local_port;
1195	uint16_t qlen;
1196	uint16_t maxqlen;
1197#if defined(__Windows__)
1198	uint16_t padding;
1199#endif
1200#if defined(__FreeBSD__) && __FreeBSD_version < 1000048
1201	uint32_t extra_padding[32]; /* future */
1202#else
1203	uint32_t extra_padding[31]; /* future */
1204#endif
1205};
1206
1207struct xsctp_tcb {
1208	union sctp_sockstore primary_addr;      /* sctpAssocEntry 5/6 */
1209	uint32_t last;
1210	uint32_t heartbeat_interval;            /* sctpAssocEntry 7   */
1211	uint32_t state;                         /* sctpAssocEntry 8   */
1212	uint32_t in_streams;                    /* sctpAssocEntry 9   */
1213	uint32_t out_streams;                   /* sctpAssocEntry 10  */
1214	uint32_t max_nr_retrans;                /* sctpAssocEntry 11  */
1215	uint32_t primary_process;               /* sctpAssocEntry 12  */
1216	uint32_t T1_expireries;                 /* sctpAssocEntry 13  */
1217	uint32_t T2_expireries;                 /* sctpAssocEntry 14  */
1218	uint32_t retransmitted_tsns;            /* sctpAssocEntry 15  */
1219	uint32_t total_sends;
1220	uint32_t total_recvs;
1221	uint32_t local_tag;
1222	uint32_t remote_tag;
1223	uint32_t initial_tsn;
1224	uint32_t highest_tsn;
1225	uint32_t cumulative_tsn;
1226	uint32_t cumulative_tsn_ack;
1227	uint32_t mtu;
1228	uint32_t refcnt;
1229	uint16_t local_port;                    /* sctpAssocEntry 3   */
1230	uint16_t remote_port;                   /* sctpAssocEntry 4   */
1231	struct sctp_timeval start_time;         /* sctpAssocEntry 16  */
1232	struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17  */
1233#if defined(__FreeBSD__)
1234#if __FreeBSD_version >= 800000
1235	uint32_t peers_rwnd;
1236	sctp_assoc_t assoc_id;                  /* sctpAssocEntry 1   */
1237	uint32_t extra_padding[32];              /* future */
1238#else
1239#endif
1240#else
1241	uint32_t peers_rwnd;
1242	sctp_assoc_t assoc_id;                  /* sctpAssocEntry 1   */
1243	uint32_t extra_padding[32];              /* future */
1244#endif
1245};
1246
1247struct xsctp_laddr {
1248	union sctp_sockstore address;    /* sctpAssocLocalAddrEntry 1/2 */
1249	uint32_t last;
1250	struct sctp_timeval start_time;  /* sctpAssocLocalAddrEntry 3   */
1251	uint32_t extra_padding[32];       /* future */
1252};
1253
1254struct xsctp_raddr {
1255	union sctp_sockstore address;      /* sctpAssocLocalRemEntry 1/2 */
1256	uint32_t last;
1257	uint32_t rto;                      /* sctpAssocLocalRemEntry 5   */
1258	uint32_t max_path_rtx;             /* sctpAssocLocalRemEntry 6   */
1259	uint32_t rtx;                      /* sctpAssocLocalRemEntry 7   */
1260	uint32_t error_counter;            /*                            */
1261	uint32_t cwnd;                     /*                            */
1262	uint32_t flight_size;              /*                            */
1263	uint32_t mtu;                      /*                            */
1264	uint8_t active;                    /* sctpAssocLocalRemEntry 3   */
1265	uint8_t confirmed;                 /*                            */
1266	uint8_t heartbeat_enabled;         /* sctpAssocLocalRemEntry 4   */
1267	uint8_t potentially_failed;
1268	struct sctp_timeval start_time;    /* sctpAssocLocalRemEntry 8   */
1269#if defined(__FreeBSD__)
1270#if __FreeBSD_version >= 800000
1271	uint32_t rtt;
1272	uint32_t heartbeat_interval;
1273	uint32_t extra_padding[31];              /* future */
1274#endif
1275#else
1276	uint32_t rtt;
1277	uint32_t heartbeat_interval;
1278	uint32_t extra_padding[31];              /* future */
1279#endif
1280};
1281
1282#define SCTP_MAX_LOGGING_SIZE 30000
1283#define SCTP_TRACE_PARAMS 6                /* This number MUST be even   */
1284
1285struct sctp_log_entry {
1286	uint64_t timestamp;
1287	uint32_t subsys;
1288	uint32_t padding;
1289	uint32_t params[SCTP_TRACE_PARAMS];
1290};
1291
1292struct sctp_log {
1293	struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1294	uint32_t index;
1295	uint32_t padding;
1296};
1297
1298/*
1299 * Kernel defined for sctp_send
1300 */
1301#if defined(_KERNEL) || defined(__Userspace__)
1302int
1303sctp_lower_sosend(struct socket *so,
1304    struct sockaddr *addr,
1305    struct uio *uio,
1306#if defined(__Panda__)
1307    pakhandle_type i_pak,
1308    pakhandle_type i_control,
1309#else
1310    struct mbuf *i_pak,
1311    struct mbuf *control,
1312#endif
1313    int flags,
1314    struct sctp_sndrcvinfo *srcv
1315#if !(defined(__Panda__) || defined(__Userspace__))
1316#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
1317    ,struct thread *p
1318#elif defined(__Windows__)
1319    , PKTHREAD p
1320#else
1321    ,struct proc *p
1322#endif
1323#endif
1324);
1325
1326int
1327sctp_sorecvmsg(struct socket *so,
1328    struct uio *uio,
1329#if defined(__Panda__)
1330    particletype **mp,
1331#else
1332    struct mbuf **mp,
1333#endif
1334    struct sockaddr *from,
1335    int fromlen,
1336    int *msg_flags,
1337    struct sctp_sndrcvinfo *sinfo,
1338    int filling_sinfo);
1339#endif
1340
1341/*
1342 * API system calls
1343 */
1344#if !(defined(_KERNEL)) && !(defined(__Userspace__))
1345
1346__BEGIN_DECLS
1347#if defined(__FreeBSD__) && __FreeBSD_version < 902000
1348int	sctp_peeloff __P((int, sctp_assoc_t));
1349int	sctp_bindx __P((int, struct sockaddr *, int, int));
1350int	sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1351int	sctp_getaddrlen __P((sa_family_t));
1352int	sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1353void	sctp_freepaddrs __P((struct sockaddr *));
1354int	sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1355void	sctp_freeladdrs __P((struct sockaddr *));
1356int	sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1357
1358/* deprecated */
1359ssize_t	sctp_sendmsg __P((int, const void *, size_t, const struct sockaddr *,
1360	    socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1361
1362/* deprecated */
1363ssize_t	sctp_send __P((int, const void *, size_t,
1364	    const struct sctp_sndrcvinfo *, int));
1365
1366/* deprecated */
1367ssize_t	sctp_sendx __P((int, const void *, size_t, struct sockaddr *,
1368	    int, struct sctp_sndrcvinfo *, int));
1369
1370/* deprecated */
1371ssize_t	sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *,
1372	    int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1373
1374sctp_assoc_t	sctp_getassocid __P((int, struct sockaddr *));
1375
1376/* deprecated */
1377ssize_t	sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *,
1378	    struct sctp_sndrcvinfo *, int *));
1379
1380ssize_t	sctp_sendv __P((int, const struct iovec *, int, struct sockaddr *,
1381	    int, void *, socklen_t, unsigned int, int));
1382
1383ssize_t	sctp_recvv __P((int, const struct iovec *, int, struct sockaddr *,
1384	    socklen_t *, void *, socklen_t *, unsigned int *, int *));
1385#else
1386int	sctp_peeloff(int, sctp_assoc_t);
1387int	sctp_bindx(int, struct sockaddr *, int, int);
1388int	sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *);
1389int	sctp_getaddrlen(sa_family_t);
1390int	sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
1391void	sctp_freepaddrs(struct sockaddr *);
1392int	sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
1393void	sctp_freeladdrs(struct sockaddr *);
1394int	sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
1395
1396/* deprecated */
1397ssize_t	sctp_sendmsg(int, const void *, size_t, const struct sockaddr *,
1398	    socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1399
1400/* deprecated */
1401ssize_t	sctp_send(int, const void *, size_t,
1402	    const struct sctp_sndrcvinfo *, int);
1403
1404/* deprecated */
1405ssize_t	sctp_sendx(int, const void *, size_t, struct sockaddr *,
1406	    int, struct sctp_sndrcvinfo *, int);
1407
1408/* deprecated */
1409ssize_t	sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *,
1410	    int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
1411
1412sctp_assoc_t	sctp_getassocid(int, struct sockaddr *);
1413
1414/* deprecated */
1415ssize_t	sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *,
1416	    struct sctp_sndrcvinfo *, int *);
1417
1418ssize_t	sctp_sendv(int, const struct iovec *, int, struct sockaddr *,
1419	    int, void *, socklen_t, unsigned int, int);
1420
1421ssize_t	sctp_recvv(int, const struct iovec *, int, struct sockaddr *,
1422	    socklen_t *, void *, socklen_t *, unsigned int *, int *);
1423#endif
1424__END_DECLS
1425
1426#endif				/* !_KERNEL */
1427#endif				/* !__sctp_uio_h__ */
1428