2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions are met:
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28 * THE POSSIBILITY OF SUCH DAMAGE.
31 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #ifndef __sctp_uio_h__
36 #define __sctp_uio_h__
39 #if ! defined(_KERNEL)
42 #include <sys/types.h>
43 #include <sys/socket.h>
45 #include <netinet/in.h>
47 typedef uint32_t sctp_assoc_t;
49 /* On/Off setup for subscription to events */
50 struct 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;
63 /* ancillary data types */
64 #define SCTP_INIT 0x0001
65 #define SCTP_SNDRCV 0x0002
66 #define SCTP_EXTRCV 0x0003
68 * ancillary data structures
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;
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.
86 * The assoc up needs a verfid
87 * all sendrcvinfo's need a verfid for SENDING only.
91 #define SCTP_ALIGN_RESV_PAD 96
92 #define SCTP_ALIGN_RESV_PAD_SHORT 80
94 struct sctp_sndrcvinfo {
95 uint16_t sinfo_stream;
98 uint16_t sinfo_pr_policy;
100 uint32_t sinfo_context;
101 uint32_t sinfo_timetolive;
103 uint32_t sinfo_cumtsn;
104 sctp_assoc_t sinfo_assoc_id;
105 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
108 struct sctp_extrcvinfo {
109 uint16_t sinfo_stream;
111 uint16_t sinfo_flags;
112 uint16_t sinfo_pr_policy;
114 uint32_t sinfo_context;
115 uint32_t sinfo_timetolive;
117 uint32_t sinfo_cumtsn;
118 sctp_assoc_t sinfo_assoc_id;
119 uint16_t sreinfo_next_flags;
120 uint16_t sreinfo_next_stream;
121 uint32_t sreinfo_next_aid;
122 uint32_t sreinfo_next_length;
123 uint32_t sreinfo_next_ppid;
124 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
127 #define SCTP_NO_NEXT_MSG 0x0000
128 #define SCTP_NEXT_MSG_AVAIL 0x0001
129 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
130 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
131 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
133 struct sctp_snd_all_completes {
134 uint16_t sall_stream;
137 uint32_t sall_context;
138 uint32_t sall_num_sent;
139 uint32_t sall_num_failed;
142 /* Flags that go into the sinfo->sinfo_flags field */
143 #define SCTP_EOF 0x0100/* Start shutdown procedures */
144 #define SCTP_ABORT 0x0200/* Send an ABORT to peer */
145 #define SCTP_UNORDERED 0x0400/* Message is un-ordered */
146 #define SCTP_ADDR_OVER 0x0800/* Override the primary-address */
147 #define SCTP_SENDALL 0x1000/* Send this on all associations */
148 #define SCTP_EOR 0x2000/* end of message signal */
149 #define SCTP_PR_POLICY_VALID 0x4000 /* pr sctp policy valid */
151 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
152 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
153 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0)
154 /* for the endpoint */
156 /* The lower byte is an enumeration of PR-SCTP policies */
157 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
158 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
159 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
161 #define PR_SCTP_POLICY(x) ((x) & 0xff)
162 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
163 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
164 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
165 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
166 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
168 struct sctp_pcbinfo {
171 uint32_t laddr_count;
172 uint32_t raddr_count;
174 uint32_t readq_count;
175 uint32_t free_chunks;
176 uint32_t stream_oque;
179 struct sctp_sockstat {
180 sctp_assoc_t ss_assoc_id;
181 uint32_t ss_total_sndbuf;
182 uint32_t ss_total_recv_buf;
186 * notification event structures
190 * association change event
192 struct sctp_assoc_change {
198 uint16_t sac_outbound_streams;
199 uint16_t sac_inbound_streams;
200 sctp_assoc_t sac_assoc_id;
203 /* sac_state values */
204 #define SCTP_COMM_UP 0x0001
205 #define SCTP_COMM_LOST 0x0002
206 #define SCTP_RESTART 0x0003
207 #define SCTP_SHUTDOWN_COMP 0x0004
208 #define SCTP_CANT_STR_ASSOC 0x0005
214 struct sctp_paddr_change {
218 struct sockaddr_storage spc_aaddr;
221 sctp_assoc_t spc_assoc_id;
222 uint8_t spc_padding[4];
225 /* paddr state values */
226 #define SCTP_ADDR_AVAILABLE 0x0001
227 #define SCTP_ADDR_UNREACHABLE 0x0002
228 #define SCTP_ADDR_REMOVED 0x0003
229 #define SCTP_ADDR_ADDED 0x0004
230 #define SCTP_ADDR_MADE_PRIM 0x0005
231 #define SCTP_ADDR_CONFIRMED 0x0006
234 * CAUTION: these are user exposed SCTP addr reachability states must be
235 * compatible with SCTP_ADDR states in sctp_constants.h
240 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
245 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
247 #ifdef SCTP_UNCONFIRMED
248 #undef SCTP_UNCONFIRMED
250 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
252 #ifdef SCTP_NOHEARTBEAT
253 #undef SCTP_NOHEARTBEAT
255 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
258 /* remote error events */
259 struct sctp_remote_error {
264 sctp_assoc_t sre_assoc_id;
268 /* data send failure event */
269 struct sctp_send_failed {
274 struct sctp_sndrcvinfo ssf_info;
275 sctp_assoc_t ssf_assoc_id;
279 /* flag that indicates state of data */
280 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
281 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
284 struct sctp_shutdown_event {
288 sctp_assoc_t sse_assoc_id;
291 /* Adaptation layer indication stuff */
292 struct sctp_adaptation_event {
296 uint32_t sai_adaptation_ind;
297 sctp_assoc_t sai_assoc_id;
300 struct sctp_setadaptation {
301 uint32_t ssb_adaptation_ind;
304 /* compatable old spelling */
305 struct sctp_adaption_event {
309 uint32_t sai_adaption_ind;
310 sctp_assoc_t sai_assoc_id;
313 struct sctp_setadaption {
314 uint32_t ssb_adaption_ind;
319 * Partial Delivery API event
321 struct sctp_pdapi_event {
323 uint16_t pdapi_flags;
324 uint32_t pdapi_length;
325 uint32_t pdapi_indication;
326 uint16_t pdapi_stream;
328 sctp_assoc_t pdapi_assoc_id;
331 /* indication values */
332 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
336 * authentication key event
338 struct sctp_authkey_event {
341 uint32_t auth_length;
342 uint16_t auth_keynumber;
343 uint16_t auth_altkeynumber;
344 uint32_t auth_indication;
345 sctp_assoc_t auth_assoc_id;
348 /* indication values */
349 #define SCTP_AUTH_NEWKEY 0x0001
355 struct sctp_stream_reset_event {
356 uint16_t strreset_type;
357 uint16_t strreset_flags;
358 uint32_t strreset_length;
359 sctp_assoc_t strreset_assoc_id;
360 uint16_t strreset_list[0];
363 /* flags in strreset_flags field */
364 #define SCTP_STRRESET_INBOUND_STR 0x0001
365 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
366 #define SCTP_STRRESET_ALL_STREAMS 0x0004
367 #define SCTP_STRRESET_STREAM_LIST 0x0008
368 #define SCTP_STRRESET_FAILED 0x0010
371 /* SCTP notification event */
378 union sctp_notification {
379 struct sctp_tlv sn_header;
380 struct sctp_assoc_change sn_assoc_change;
381 struct sctp_paddr_change sn_paddr_change;
382 struct sctp_remote_error sn_remote_error;
383 struct sctp_send_failed sn_send_failed;
384 struct sctp_shutdown_event sn_shutdown_event;
385 struct sctp_adaptation_event sn_adaptation_event;
386 /* compatability same as above */
387 struct sctp_adaption_event sn_adaption_event;
388 struct sctp_pdapi_event sn_pdapi_event;
389 struct sctp_authkey_event sn_auth_event;
390 struct sctp_stream_reset_event sn_strreset_event;
393 /* notification types */
394 #define SCTP_ASSOC_CHANGE 0x0001
395 #define SCTP_PEER_ADDR_CHANGE 0x0002
396 #define SCTP_REMOTE_ERROR 0x0003
397 #define SCTP_SEND_FAILED 0x0004
398 #define SCTP_SHUTDOWN_EVENT 0x0005
399 #define SCTP_ADAPTATION_INDICATION 0x0006
401 #define SCTP_ADAPTION_INDICATION 0x0006
402 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
403 #define SCTP_AUTHENTICATION_EVENT 0x0008
404 #define SCTP_STREAM_RESET_EVENT 0x0009
408 * socket option structs
411 struct sctp_paddrparams {
412 struct sockaddr_storage spp_address;
413 sctp_assoc_t spp_assoc_id;
414 uint32_t spp_hbinterval;
415 uint32_t spp_pathmtu;
417 uint32_t spp_ipv6_flowlabel;
418 uint16_t spp_pathmaxrxt;
419 uint8_t spp_ipv4_tos;
422 #define SPP_HB_ENABLE 0x00000001
423 #define SPP_HB_DISABLE 0x00000002
424 #define SPP_HB_DEMAND 0x00000004
425 #define SPP_PMTUD_ENABLE 0x00000008
426 #define SPP_PMTUD_DISABLE 0x00000010
427 #define SPP_HB_TIME_IS_ZERO 0x00000080
428 #define SPP_IPV6_FLOWLABEL 0x00000100
429 #define SPP_IPV4_TOS 0x00000200
431 struct sctp_paddrinfo {
432 struct sockaddr_storage spinfo_address;
433 sctp_assoc_t spinfo_assoc_id;
434 int32_t spinfo_state;
435 uint32_t spinfo_cwnd;
436 uint32_t spinfo_srtt;
441 struct sctp_rtoinfo {
442 sctp_assoc_t srto_assoc_id;
443 uint32_t srto_initial;
448 struct sctp_assocparams {
449 sctp_assoc_t sasoc_assoc_id;
450 uint32_t sasoc_peer_rwnd;
451 uint32_t sasoc_local_rwnd;
452 uint32_t sasoc_cookie_life;
453 uint16_t sasoc_asocmaxrxt;
454 uint16_t sasoc_number_peer_destinations;
457 struct sctp_setprim {
458 struct sockaddr_storage ssp_addr;
459 sctp_assoc_t ssp_assoc_id;
460 uint8_t ssp_padding[4];
463 struct sctp_setpeerprim {
464 struct sockaddr_storage sspp_addr;
465 sctp_assoc_t sspp_assoc_id;
466 uint8_t sspp_padding[4];
469 struct sctp_getaddresses {
470 sctp_assoc_t sget_assoc_id;
471 /* addr is filled in for N * sockaddr_storage */
472 struct sockaddr addr[1];
475 struct sctp_setstrm_timeout {
476 sctp_assoc_t ssto_assoc_id;
477 uint32_t ssto_timeout;
478 uint32_t ssto_streamid_start;
479 uint32_t ssto_streamid_end;
483 sctp_assoc_t sstat_assoc_id;
486 uint16_t sstat_unackdata;
487 uint16_t sstat_penddata;
488 uint16_t sstat_instrms;
489 uint16_t sstat_outstrms;
490 uint32_t sstat_fragmentation_point;
491 struct sctp_paddrinfo sstat_primary;
495 * AUTHENTICATION support
497 /* SCTP_AUTH_CHUNK */
498 struct sctp_authchunk {
503 struct sctp_authkey {
504 sctp_assoc_t sca_assoc_id;
505 uint16_t sca_keynumber;
509 /* SCTP_HMAC_IDENT */
510 struct sctp_hmacalgo {
511 uint16_t shmac_idents[0];
515 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
516 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
517 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */
518 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
519 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004
520 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005
521 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006
524 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
525 struct sctp_authkeyid {
526 sctp_assoc_t scact_assoc_id;
527 uint16_t scact_keynumber;
530 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
531 struct sctp_authchunks {
532 sctp_assoc_t gauth_assoc_id;
533 uint8_t gauth_chunks[0];
536 struct sctp_assoc_value {
537 sctp_assoc_t assoc_id;
538 uint32_t assoc_value;
541 struct sctp_assoc_ids {
542 sctp_assoc_t gaids_assoc_id[0];
545 struct sctp_sack_info {
546 sctp_assoc_t sack_assoc_id;
551 struct sctp_cwnd_args {
552 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
553 uint32_t cwnd_new_value;/* cwnd in k */
554 uint32_t inflight; /* flightsize in k */
555 uint32_t pseudo_cumack;
556 uint32_t cwnd_augment; /* increment to it */
557 uint8_t meets_pseudo_cumack;
558 uint8_t need_new_pseudo_cumack;
563 struct sctp_blk_args {
564 uint32_t onsb; /* in 1k bytes */
565 uint32_t sndlen; /* len of send being attempted */
566 uint32_t peer_rwnd; /* rwnd of peer */
567 uint16_t send_sent_qcnt;/* chnk cnt */
568 uint16_t stream_qcnt; /* chnk cnt */
569 uint16_t chunks_on_oque;/* chunks out */
570 uint16_t flight_size; /* flight size in k */
574 * Max we can reset in one setting, note this is dictated not by the define
575 * but the size of a mbuf cluster so don't change this define and think you
576 * can specify more. You must do multiple resets if you want to reset more
577 * than SCTP_MAX_EXPLICIT_STR_RESET.
579 #define SCTP_MAX_EXPLICT_STR_RESET 1000
581 #define SCTP_RESET_LOCAL_RECV 0x0001
582 #define SCTP_RESET_LOCAL_SEND 0x0002
583 #define SCTP_RESET_BOTH 0x0003
584 #define SCTP_RESET_TSN 0x0004
586 struct sctp_stream_reset {
587 sctp_assoc_t strrst_assoc_id;
588 uint16_t strrst_flags;
589 uint16_t strrst_num_streams; /* 0 == ALL */
590 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
594 struct sctp_get_nonce_values {
595 sctp_assoc_t gn_assoc_id;
596 uint32_t gn_peers_tag;
597 uint32_t gn_local_tag;
601 struct sctp_str_log {
602 void *stcb; /* FIXME: LP64 issue */
611 void *stcb; /* FIXME: LP64 issue */
618 uint32_t largest_tsn;
619 uint32_t largest_new_tsn;
629 struct sctp_rwnd_log {
636 struct sctp_mbcnt_log {
637 uint32_t total_queue_size;
638 uint32_t size_change;
639 uint32_t total_queue_mb_size;
640 uint32_t mbcnt_change;
643 struct sctp_sack_log {
651 struct sctp_lock_log {
652 void *sock; /* FIXME: LP64 issue */
653 void *inp; /* FIXME: LP64 issue */
658 uint8_t sockrcvbuf_lock;
659 uint8_t socksndbuf_lock;
664 struct sctp_rto_log {
665 void *net; /* FIXME: LP64 issue */
669 struct sctp_nagle_log {
670 void *stcb; /* FIXME: LP64 issue */
671 uint32_t total_flight;
672 uint32_t total_in_queue;
673 uint16_t count_in_queue;
674 uint16_t count_in_flight;
677 struct sctp_sbwake_log {
678 void *stcb; /* FIXME: LP64 issue */
683 uint8_t stream_qcnt; /* chnk cnt */
684 uint8_t chunks_on_oque; /* chunks out */
689 struct sctp_misc_info {
696 struct sctp_log_closing {
697 void *inp; /* FIXME: LP64 issue */
698 void *stcb; /* FIXME: LP64 issue */
704 struct sctp_mbuf_log {
705 struct mbuf *mp; /* FIXME: LP64 issue */
713 struct sctp_cwnd_log {
719 struct sctp_log_closing close;
720 struct sctp_blk_args blk;
721 struct sctp_cwnd_args cwnd;
722 struct sctp_str_log strlog;
723 struct sctp_fr_log fr;
724 struct sctp_fr_map map;
725 struct sctp_rwnd_log rwnd;
726 struct sctp_mbcnt_log mbcnt;
727 struct sctp_sack_log sack;
728 struct sctp_lock_log lock;
729 struct sctp_rto_log rto;
730 struct sctp_sb_log sb;
731 struct sctp_nagle_log nagle;
732 struct sctp_sbwake_log wake;
733 struct sctp_mbuf_log mb;
734 struct sctp_misc_info misc;
738 struct sctp_cwnd_log_req {
739 int32_t num_in_log; /* Number in log */
740 int32_t num_ret; /* Number returned */
741 int32_t start_at; /* start at this one */
742 int32_t end_at; /* end at this one */
743 struct sctp_cwnd_log log[0];
747 /* MIB according to RFC 3873 */
748 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
749 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
750 uint32_t sctps_restartestab;
751 uint32_t sctps_collisionestab;
752 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
753 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
754 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
755 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
756 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
757 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
758 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
759 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
760 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
761 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
762 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
763 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
764 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
765 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
766 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
768 /* input statistics: */
769 uint32_t sctps_recvpackets; /* total input packets */
770 uint32_t sctps_recvdatagrams; /* total input datagrams */
771 uint32_t sctps_recvpktwithdata; /* total packets that had data */
772 uint32_t sctps_recvsacks; /* total input SACK chunks */
773 uint32_t sctps_recvdata;/* total input DATA chunks */
774 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
775 uint32_t sctps_recvheartbeat; /* total input HB chunks */
776 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
777 uint32_t sctps_recvecne;/* total input ECNE chunks */
778 uint32_t sctps_recvauth;/* total input AUTH chunks */
779 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
780 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
782 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
784 uint32_t sctps_recvauthfailed; /* total number of auth failed */
785 uint32_t sctps_recvexpress; /* total fast path receives all one
787 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
788 /* output statistics: */
789 uint32_t sctps_sendpackets; /* total output packets */
790 uint32_t sctps_sendsacks; /* total output SACKs */
791 uint32_t sctps_senddata;/* total output DATA chunks */
792 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
794 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
796 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
797 * more than once to same
798 * chunk (u-del multi-fr
800 uint32_t sctps_sendheartbeat; /* total output HB chunks */
801 uint32_t sctps_sendecne;/* total output ECNE chunks */
802 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
803 uint32_t sctps_senderrors; /* ip_output error counter */
804 /* PCKDROPREP statistics: */
805 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
806 uint32_t sctps_pdrpfehos; /* P-drop from end host */
807 uint32_t sctps_pdrpmbda;/* P-drops with data */
808 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
809 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
811 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
812 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
813 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
815 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
816 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
817 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
818 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
819 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
820 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
822 uint32_t sctps_timoiterator; /* Number of iterator timers that
824 uint32_t sctps_timodata;/* Number of T3 data time outs */
825 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
827 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
828 uint32_t sctps_timosack;/* Number of sack timers that fired */
829 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
831 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
833 uint32_t sctps_timocookie; /* Number of times a cookie timeout
835 uint32_t sctps_timosecret; /* Number of times an endpoint changed
836 * its cookie secret */
837 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
838 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
840 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
841 * timers that fired */
842 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
844 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
846 uint32_t sctps_timoasconf; /* Number of times an asconf timer
848 uint32_t sctps_timoautoclose; /* Number of times auto close timer
850 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
851 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
852 /* Early fast retransmission counters */
853 uint32_t sctps_earlyfrstart;
854 uint32_t sctps_earlyfrstop;
855 uint32_t sctps_earlyfrmrkretrans;
856 uint32_t sctps_earlyfrstpout;
857 uint32_t sctps_earlyfrstpidsck1;
858 uint32_t sctps_earlyfrstpidsck2;
859 uint32_t sctps_earlyfrstpidsck3;
860 uint32_t sctps_earlyfrstpidsck4;
861 uint32_t sctps_earlyfrstrid;
862 uint32_t sctps_earlyfrstrout;
863 uint32_t sctps_earlyfrstrtmr;
865 uint32_t sctps_hdrops; /* packet shorter than header */
866 uint32_t sctps_badsum; /* checksum error */
867 uint32_t sctps_noport; /* no endpoint for port */
868 uint32_t sctps_badvtag; /* bad v-tag */
869 uint32_t sctps_badsid; /* bad SID */
870 uint32_t sctps_nomem; /* no memory */
871 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
873 uint32_t sctps_markedretrans;
874 uint32_t sctps_naglesent; /* nagle allowed sending */
875 uint32_t sctps_naglequeued; /* nagle does't allow sending */
876 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */
877 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
878 * interface ring buffer OR we had a
879 * send error and are queuing one
881 uint32_t sctps_windowprobed; /* total number of window probes sent */
882 uint32_t sctps_lowlevelerr; /* total times an output error causes
883 * us to clamp down on next user send. */
884 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
885 * caused from a user send from a user
886 * invoked send not a sack response */
887 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
888 * chunk limit reached */
889 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
891 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
893 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
894 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
895 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
896 * of user data on primary */
897 uint32_t sctps_cmt_randry; /* Same for above */
898 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
899 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
900 uint32_t sctps_sends_with_flags; /* number of sends with
902 uint32_t sctps_sends_with_unord /* number of undordered sends */ ;
903 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
904 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
906 uint32_t sctps_protocol_drain_calls; /* number of times protocol
908 uint32_t sctps_protocol_drains_done; /* number of times we did a
910 uint32_t sctps_read_peeks; /* Number of times recv was called
912 uint32_t sctps_cached_chk; /* Number of cached chunks used */
913 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
914 uint32_t sctps_left_abandon; /* Number of unread message abandonded
916 uint32_t sctps_send_burst_avoid; /* Send burst avoidance,
917 * already max burst inflight
919 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
920 * max burst inflight to net */
921 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
924 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */
927 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
928 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
929 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&sctpstat._x, _d)
930 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&sctpstat._x, _d)
932 /* The following macros are for handling MIB values, */
933 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
934 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
935 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
936 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
937 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
938 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
940 union sctp_sockstore {
941 #if defined(INET) || !defined(_KERNEL)
942 struct sockaddr_in sin;
944 #if defined(INET6) || !defined(_KERNEL)
945 struct sockaddr_in6 sin6;
954 uint32_t total_sends;
955 uint32_t total_recvs;
956 uint32_t total_nospaces;
957 uint32_t fragmentation_point;
964 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
966 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
967 uint32_t state; /* sctpAssocEntry 8 */
968 uint32_t in_streams; /* sctpAssocEntry 9 */
969 uint32_t out_streams; /* sctpAssocEntry 10 */
970 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
971 uint32_t primary_process; /* sctpAssocEntry 12 */
972 uint32_t T1_expireries; /* sctpAssocEntry 13 */
973 uint32_t T2_expireries; /* sctpAssocEntry 14 */
974 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
975 uint32_t total_sends;
976 uint32_t total_recvs;
979 uint32_t initial_tsn;
980 uint32_t highest_tsn;
981 uint32_t cumulative_tsn;
982 uint32_t cumulative_tsn_ack;
985 uint16_t local_port; /* sctpAssocEntry 3 */
986 uint16_t remote_port; /* sctpAssocEntry 4 */
987 struct timeval start_time; /* sctpAssocEntry 16 */
988 struct timeval discontinuity_time; /* sctpAssocEntry 17 */
992 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
994 struct timeval start_time; /* sctpAssocLocalAddrEntry 3 */
998 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1000 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1001 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1002 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1003 uint32_t error_counter; /* */
1004 uint32_t cwnd; /* */
1005 uint32_t flight_size; /* */
1007 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1008 uint8_t confirmed; /* */
1009 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1010 struct timeval start_time; /* sctpAssocLocalRemEntry 8 */
1014 * Kernel defined for sctp_send
1016 #if defined(_KERNEL)
1018 sctp_lower_sosend(struct socket *so,
1019 struct sockaddr *addr,
1022 struct mbuf *control,
1025 struct sctp_sndrcvinfo *srcv
1030 sctp_sorecvmsg(struct socket *so,
1033 struct sockaddr *from,
1036 struct sctp_sndrcvinfo *sinfo,
1044 #if !(defined(_KERNEL))
1047 int sctp_peeloff __P((int, sctp_assoc_t));
1048 int sctp_bindx __P((int, struct sockaddr *, int, int));
1049 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1050 int sctp_getaddrlen __P((sa_family_t));
1051 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1052 void sctp_freepaddrs __P((struct sockaddr *));
1053 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1054 void sctp_freeladdrs __P((struct sockaddr *));
1055 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1057 ssize_t sctp_sendmsg
1058 __P((int, const void *, size_t,
1059 const struct sockaddr *,
1060 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1062 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1063 const struct sctp_sndrcvinfo *sinfo, int flags));
1065 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len,
1066 struct sockaddr *addrs, int addrcnt,
1067 struct sctp_sndrcvinfo *sinfo, int flags));
1069 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t,
1070 struct sockaddr *, int,
1071 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1073 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa));
1075 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1076 socklen_t *, struct sctp_sndrcvinfo *, int *));
1080 #endif /* !_KERNEL */
1081 #endif /* !__sctp_uio_h__ */