2 * Copyright (c) 2001-2007, 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;
99 uint32_t sinfo_context;
100 uint32_t sinfo_timetolive;
102 uint32_t sinfo_cumtsn;
103 sctp_assoc_t sinfo_assoc_id;
104 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
107 struct sctp_extrcvinfo {
108 struct sctp_sndrcvinfo sreinfo_sinfo;
109 uint16_t sreinfo_next_flags;
110 uint16_t sreinfo_next_stream;
111 uint32_t sreinfo_next_aid;
112 uint32_t sreinfo_next_length;
113 uint32_t sreinfo_next_ppid;
114 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
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 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
123 struct sctp_snd_all_completes {
124 uint16_t sall_stream;
127 uint32_t sall_context;
128 uint32_t sall_num_sent;
129 uint32_t sall_num_failed;
132 /* Flags that go into the sinfo->sinfo_flags field */
133 #define SCTP_EOF 0x0100/* Start shutdown procedures */
134 #define SCTP_ABORT 0x0200/* Send an ABORT to peer */
135 #define SCTP_UNORDERED 0x0400/* Message is un-ordered */
136 #define SCTP_ADDR_OVER 0x0800/* Override the primary-address */
137 #define SCTP_SENDALL 0x1000/* Send this on all associations */
138 #define SCTP_EOR 0x2000/* end of message signal */
139 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
140 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
141 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0)
142 /* for the endpoint */
144 /* The lower byte is an enumeration of PR-SCTP policies */
145 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
146 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
147 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
149 #define PR_SCTP_POLICY(x) ((x) & 0xff)
150 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
151 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
152 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
153 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
154 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
156 struct sctp_pcbinfo {
159 uint32_t laddr_count;
160 uint32_t raddr_count;
162 uint32_t readq_count;
163 uint32_t free_chunks;
164 uint32_t stream_oque;
167 struct sctp_sockstat {
168 sctp_assoc_t ss_assoc_id;
169 uint32_t ss_total_sndbuf;
170 uint32_t ss_total_recv_buf;
174 * notification event structures
178 * association change event
180 struct sctp_assoc_change {
186 uint16_t sac_outbound_streams;
187 uint16_t sac_inbound_streams;
188 sctp_assoc_t sac_assoc_id;
191 /* sac_state values */
192 #define SCTP_COMM_UP 0x0001
193 #define SCTP_COMM_LOST 0x0002
194 #define SCTP_RESTART 0x0003
195 #define SCTP_SHUTDOWN_COMP 0x0004
196 #define SCTP_CANT_STR_ASSOC 0x0005
202 struct sctp_paddr_change {
206 struct sockaddr_storage spc_aaddr;
209 sctp_assoc_t spc_assoc_id;
212 /* paddr state values */
213 #define SCTP_ADDR_AVAILABLE 0x0001
214 #define SCTP_ADDR_UNREACHABLE 0x0002
215 #define SCTP_ADDR_REMOVED 0x0003
216 #define SCTP_ADDR_ADDED 0x0004
217 #define SCTP_ADDR_MADE_PRIM 0x0005
218 #define SCTP_ADDR_CONFIRMED 0x0006
221 * CAUTION: these are user exposed SCTP addr reachability states must be
222 * compatible with SCTP_ADDR states in sctp_constants.h
227 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
232 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
234 #ifdef SCTP_UNCONFIRMED
235 #undef SCTP_UNCONFIRMED
237 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
239 #ifdef SCTP_NOHEARTBEAT
240 #undef SCTP_NOHEARTBEAT
242 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
245 /* remote error events */
246 struct sctp_remote_error {
251 sctp_assoc_t sre_assoc_id;
255 /* data send failure event */
256 struct sctp_send_failed {
261 struct sctp_sndrcvinfo ssf_info;
262 sctp_assoc_t ssf_assoc_id;
266 /* flag that indicates state of data */
267 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
268 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
271 struct sctp_shutdown_event {
275 sctp_assoc_t sse_assoc_id;
278 /* Adaptation layer indication stuff */
279 struct sctp_adaptation_event {
283 uint32_t sai_adaptation_ind;
284 sctp_assoc_t sai_assoc_id;
287 struct sctp_setadaptation {
288 uint32_t ssb_adaptation_ind;
291 /* compatable old spelling */
292 struct sctp_adaption_event {
296 uint32_t sai_adaption_ind;
297 sctp_assoc_t sai_assoc_id;
300 struct sctp_setadaption {
301 uint32_t ssb_adaption_ind;
306 * Partial Delivery API event
308 struct sctp_pdapi_event {
310 uint16_t pdapi_flags;
311 uint32_t pdapi_length;
312 uint32_t pdapi_indication;
313 uint16_t pdapi_stream;
315 sctp_assoc_t pdapi_assoc_id;
318 /* indication values */
319 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
323 * authentication key event
325 struct sctp_authkey_event {
328 uint32_t auth_length;
329 uint16_t auth_keynumber;
330 uint16_t auth_altkeynumber;
331 uint32_t auth_indication;
332 sctp_assoc_t auth_assoc_id;
335 /* indication values */
336 #define SCTP_AUTH_NEWKEY 0x0001
342 struct sctp_stream_reset_event {
343 uint16_t strreset_type;
344 uint16_t strreset_flags;
345 uint32_t strreset_length;
346 sctp_assoc_t strreset_assoc_id;
347 uint16_t strreset_list[0];
350 /* flags in strreset_flags field */
351 #define SCTP_STRRESET_INBOUND_STR 0x0001
352 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
353 #define SCTP_STRRESET_ALL_STREAMS 0x0004
354 #define SCTP_STRRESET_STREAM_LIST 0x0008
355 #define SCTP_STRRESET_FAILED 0x0010
358 /* SCTP notification event */
365 union sctp_notification {
366 struct sctp_tlv sn_header;
367 struct sctp_assoc_change sn_assoc_change;
368 struct sctp_paddr_change sn_paddr_change;
369 struct sctp_remote_error sn_remote_error;
370 struct sctp_send_failed sn_send_failed;
371 struct sctp_shutdown_event sn_shutdown_event;
372 struct sctp_adaptation_event sn_adaptation_event;
373 /* compatability same as above */
374 struct sctp_adaption_event sn_adaption_event;
375 struct sctp_pdapi_event sn_pdapi_event;
376 struct sctp_authkey_event sn_auth_event;
377 struct sctp_stream_reset_event sn_strreset_event;
380 /* notification types */
381 #define SCTP_ASSOC_CHANGE 0x0001
382 #define SCTP_PEER_ADDR_CHANGE 0x0002
383 #define SCTP_REMOTE_ERROR 0x0003
384 #define SCTP_SEND_FAILED 0x0004
385 #define SCTP_SHUTDOWN_EVENT 0x0005
386 #define SCTP_ADAPTATION_INDICATION 0x0006
388 #define SCTP_ADAPTION_INDICATION 0x0006
389 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
390 #define SCTP_AUTHENTICATION_EVENT 0x0008
391 #define SCTP_STREAM_RESET_EVENT 0x0009
395 * socket option structs
398 struct sctp_paddrparams {
399 sctp_assoc_t spp_assoc_id;
400 struct sockaddr_storage spp_address;
401 uint32_t spp_hbinterval;
402 uint16_t spp_pathmaxrxt;
403 uint32_t spp_pathmtu;
405 uint32_t spp_ipv6_flowlabel;
406 uint8_t spp_ipv4_tos;
410 #define SPP_HB_ENABLE 0x00000001
411 #define SPP_HB_DISABLE 0x00000002
412 #define SPP_HB_DEMAND 0x00000004
413 #define SPP_PMTUD_ENABLE 0x00000008
414 #define SPP_PMTUD_DISABLE 0x00000010
415 #define SPP_SACKDELAY_ENABLE 0x00000020
416 #define SPP_SACKDELAY_DISABLE 0x00000040
417 #define SPP_HB_TIME_IS_ZERO 0x00000080
418 #define SPP_IPV6_FLOWLABEL 0x00000100
419 #define SPP_IPV4_TOS 0x00000200
421 struct sctp_paddrinfo {
422 sctp_assoc_t spinfo_assoc_id;
423 struct sockaddr_storage spinfo_address;
424 int32_t spinfo_state;
425 uint32_t spinfo_cwnd;
426 uint32_t spinfo_srtt;
431 struct sctp_rtoinfo {
432 sctp_assoc_t srto_assoc_id;
433 uint32_t srto_initial;
438 struct sctp_assocparams {
439 sctp_assoc_t sasoc_assoc_id;
440 uint16_t sasoc_asocmaxrxt;
441 uint16_t sasoc_number_peer_destinations;
442 uint32_t sasoc_peer_rwnd;
443 uint32_t sasoc_local_rwnd;
444 uint32_t sasoc_cookie_life;
445 uint32_t sasoc_sack_delay;
446 uint32_t sasoc_sack_freq;
449 struct sctp_setprim {
450 sctp_assoc_t ssp_assoc_id;
451 struct sockaddr_storage ssp_addr;
454 struct sctp_setpeerprim {
455 sctp_assoc_t sspp_assoc_id;
456 struct sockaddr_storage sspp_addr;
459 struct sctp_getaddresses {
460 sctp_assoc_t sget_assoc_id;
461 /* addr is filled in for N * sockaddr_storage */
462 struct sockaddr addr[1];
465 struct sctp_setstrm_timeout {
466 sctp_assoc_t ssto_assoc_id;
467 uint32_t ssto_timeout;
468 uint32_t ssto_streamid_start;
469 uint32_t ssto_streamid_end;
473 sctp_assoc_t sstat_assoc_id;
476 uint16_t sstat_unackdata;
477 uint16_t sstat_penddata;
478 uint16_t sstat_instrms;
479 uint16_t sstat_outstrms;
480 uint32_t sstat_fragmentation_point;
481 struct sctp_paddrinfo sstat_primary;
485 * AUTHENTICATION support
487 /* SCTP_AUTH_CHUNK */
488 struct sctp_authchunk {
493 struct sctp_authkey {
494 sctp_assoc_t sca_assoc_id;
495 uint16_t sca_keynumber;
499 /* SCTP_HMAC_IDENT */
500 struct sctp_hmacalgo {
501 uint16_t shmac_idents[0];
505 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
506 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
507 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */
508 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
509 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001
510 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002
511 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003
514 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
515 struct sctp_authkeyid {
516 sctp_assoc_t scact_assoc_id;
517 uint16_t scact_keynumber;
520 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
521 struct sctp_authchunks {
522 sctp_assoc_t gauth_assoc_id;
523 uint8_t gauth_chunks[0];
526 struct sctp_assoc_value {
527 sctp_assoc_t assoc_id;
528 uint32_t assoc_value;
531 #define MAX_ASOC_IDS_RET 255
532 struct sctp_assoc_ids {
533 uint16_t asls_assoc_start; /* array of index's start at 0 */
534 uint8_t asls_numb_present;
535 uint8_t asls_more_to_get;
536 sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET];
539 struct sctp_cwnd_args {
540 struct sctp_nets *net; /* network to */
541 uint32_t cwnd_new_value;/* cwnd in k */
542 uint32_t inflight; /* flightsize in k */
543 uint32_t pseudo_cumack;
544 int cwnd_augment; /* increment to it */
545 uint8_t meets_pseudo_cumack;
546 uint8_t need_new_pseudo_cumack;
551 struct sctp_blk_args {
552 uint32_t onsb; /* in 1k bytes */
553 uint32_t sndlen; /* len of send being attempted */
554 uint32_t peer_rwnd; /* rwnd of peer */
555 uint16_t send_sent_qcnt;/* chnk cnt */
556 uint16_t stream_qcnt; /* chnk cnt */
557 uint16_t chunks_on_oque;/* chunks out */
558 uint16_t flight_size; /* flight size in k */
562 * Max we can reset in one setting, note this is dictated not by the define
563 * but the size of a mbuf cluster so don't change this define and think you
564 * can specify more. You must do multiple resets if you want to reset more
565 * than SCTP_MAX_EXPLICIT_STR_RESET.
567 #define SCTP_MAX_EXPLICT_STR_RESET 1000
569 #define SCTP_RESET_LOCAL_RECV 0x0001
570 #define SCTP_RESET_LOCAL_SEND 0x0002
571 #define SCTP_RESET_BOTH 0x0003
572 #define SCTP_RESET_TSN 0x0004
574 struct sctp_stream_reset {
575 sctp_assoc_t strrst_assoc_id;
576 uint16_t strrst_flags;
577 uint16_t strrst_num_streams; /* 0 == ALL */
578 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
582 struct sctp_get_nonce_values {
583 sctp_assoc_t gn_assoc_id;
584 uint32_t gn_peers_tag;
585 uint32_t gn_local_tag;
589 struct sctp_str_log {
606 uint32_t largest_tsn;
607 uint32_t largest_new_tsn;
617 struct sctp_rwnd_log {
624 struct sctp_mbcnt_log {
625 uint32_t total_queue_size;
626 uint32_t size_change;
627 uint32_t total_queue_mb_size;
628 uint32_t mbcnt_change;
631 struct sctp_sack_log {
639 struct sctp_lock_log {
646 uint8_t sockrcvbuf_lock;
647 uint8_t socksndbuf_lock;
652 struct sctp_rto_log {
657 struct sctp_nagle_log {
659 uint32_t total_flight;
660 uint32_t total_in_queue;
661 uint16_t count_in_queue;
662 uint16_t count_in_flight;
665 struct sctp_sbwake_log {
671 uint8_t stream_qcnt; /* chnk cnt */
672 uint8_t chunks_on_oque; /* chunks out */
677 struct sctp_misc_info {
684 struct sctp_log_closing {
692 struct sctp_mbuf_log {
701 struct sctp_cwnd_log {
707 struct sctp_log_closing close;
708 struct sctp_blk_args blk;
709 struct sctp_cwnd_args cwnd;
710 struct sctp_str_log strlog;
711 struct sctp_fr_log fr;
712 struct sctp_fr_map map;
713 struct sctp_rwnd_log rwnd;
714 struct sctp_mbcnt_log mbcnt;
715 struct sctp_sack_log sack;
716 struct sctp_lock_log lock;
717 struct sctp_rto_log rto;
718 struct sctp_sb_log sb;
719 struct sctp_nagle_log nagle;
720 struct sctp_sbwake_log wake;
721 struct sctp_mbuf_log mb;
722 struct sctp_misc_info misc;
726 struct sctp_cwnd_log_req {
727 int num_in_log; /* Number in log */
728 int num_ret; /* Number returned */
729 int start_at; /* start at this one */
730 int end_at; /* end at this one */
731 struct sctp_cwnd_log log[0];
735 /* MIB according to RFC 3873 */
736 u_long sctps_currestab; /* sctpStats 1 (Gauge32) */
737 u_long sctps_activeestab; /* sctpStats 2 (Counter32) */
738 u_long sctps_restartestab;
739 u_long sctps_collisionestab;
740 u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */
741 u_long sctps_aborted; /* sctpStats 4 (Counter32) */
742 u_long sctps_shutdown; /* sctpStats 5 (Counter32) */
743 u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */
744 u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */
745 u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
746 u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */
747 u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
748 u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
749 u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */
750 u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
751 u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
752 u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
753 u_long sctps_outpackets;/* sctpStats 16 (Counter64) */
754 u_long sctps_inpackets; /* sctpStats 17 (Counter64) */
755 struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */
756 /* input statistics: */
757 u_long sctps_recvpackets; /* total input packets */
758 u_long sctps_recvdatagrams; /* total input datagrams */
759 u_long sctps_recvpktwithdata; /* total packets that had data */
760 u_long sctps_recvsacks; /* total input SACK chunks */
761 u_long sctps_recvdata; /* total input DATA chunks */
762 u_long sctps_recvdupdata; /* total input duplicate DATA chunks */
763 u_long sctps_recvheartbeat; /* total input HB chunks */
764 u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */
765 u_long sctps_recvecne; /* total input ECNE chunks */
766 u_long sctps_recvauth; /* total input AUTH chunks */
767 u_long sctps_recvauthmissing; /* total input chunks missing AUTH */
768 u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids
770 u_long sctps_recvivalkeyid; /* total number of invalid secret ids
772 u_long sctps_recvauthfailed; /* total number of auth failed */
773 u_long sctps_recvexpress; /* total fast path receives all one
775 u_long sctps_recvexpressm; /* total fast path multi-part data */
776 /* output statistics: */
777 u_long sctps_sendpackets; /* total output packets */
778 u_long sctps_sendsacks; /* total output SACKs */
779 u_long sctps_senddata; /* total output DATA chunks */
780 u_long sctps_sendretransdata; /* total output retransmitted DATA
782 u_long sctps_sendfastretrans; /* total output fast retransmitted
784 u_long sctps_sendmultfastretrans; /* total FR's that happened
785 * more than once to same
786 * chunk (u-del multi-fr
788 u_long sctps_sendheartbeat; /* total output HB chunks */
789 u_long sctps_sendecne; /* total output ECNE chunks */
790 u_long sctps_sendauth; /* total output AUTH chunks FIXME */
791 u_long sctps_senderrors;/* ip_output error counter */
792 /* PCKDROPREP statistics: */
793 u_long sctps_pdrpfmbox; /* Packet drop from middle box */
794 u_long sctps_pdrpfehos; /* P-drop from end host */
795 u_long sctps_pdrpmbda; /* P-drops with data */
796 u_long sctps_pdrpmbct; /* P-drops, non-data, non-endhost */
797 u_long sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */
798 u_long sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
799 u_long sctps_pdrpnedat; /* P-drop, not enough data to confirm */
800 u_long sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */
801 u_long sctps_pdrptsnnf; /* P-drop, could not find TSN */
802 u_long sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
803 u_long sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
804 u_long sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
805 u_long sctps_pdrpbadd; /* P-drop, data did not match TSN */
806 u_long sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */
808 u_long sctps_timoiterator; /* Number of iterator timers that
810 u_long sctps_timodata; /* Number of T3 data time outs */
811 u_long sctps_timowindowprobe; /* Number of window probe (T3) timers
813 u_long sctps_timoinit; /* Number of INIT timers that fired */
814 u_long sctps_timosack; /* Number of sack timers that fired */
815 u_long sctps_timoshutdown; /* Number of shutdown timers that
817 u_long sctps_timoheartbeat; /* Number of heartbeat timers that
819 u_long sctps_timocookie;/* Number of times a cookie timeout fired */
820 u_long sctps_timosecret;/* Number of times an endpoint changed its
822 u_long sctps_timopathmtu; /* Number of PMTU timers that fired */
823 u_long sctps_timoshutdownack; /* Number of shutdown ack timers that
825 u_long sctps_timoshutdownguard; /* Number of shutdown guard timers
827 u_long sctps_timostrmrst; /* Number of stream reset timers that
829 u_long sctps_timoearlyfr; /* Number of early FR timers that
831 u_long sctps_timoasconf;/* Number of times an asconf timer fired */
832 u_long sctps_timoautoclose; /* Number of times auto close timer
834 u_long sctps_timoassockill; /* Number of asoc free timers expired */
835 u_long sctps_timoinpkill; /* Number of inp free timers expired */
836 /* Early fast retransmission counters */
837 u_long sctps_earlyfrstart;
838 u_long sctps_earlyfrstop;
839 u_long sctps_earlyfrmrkretrans;
840 u_long sctps_earlyfrstpout;
841 u_long sctps_earlyfrstpidsck1;
842 u_long sctps_earlyfrstpidsck2;
843 u_long sctps_earlyfrstpidsck3;
844 u_long sctps_earlyfrstpidsck4;
845 u_long sctps_earlyfrstrid;
846 u_long sctps_earlyfrstrout;
847 u_long sctps_earlyfrstrtmr;
849 u_long sctps_hdrops; /* packet shorter than header */
850 u_long sctps_badsum; /* checksum error */
851 u_long sctps_noport; /* no endpoint for port */
852 u_long sctps_badvtag; /* bad v-tag */
853 u_long sctps_badsid; /* bad SID */
854 u_long sctps_nomem; /* no memory */
855 u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT
857 u_long sctps_markedretrans;
858 u_long sctps_naglesent; /* nagle allowed sending */
859 u_long sctps_naglequeued; /* nagle does't allow sending */
860 u_long sctps_maxburstqueued; /* max burst dosn't allow sending */
861 u_long sctps_ifnomemqueued; /* look ahead tells us no memory in
862 * interface ring buffer OR we had a
863 * send error and are queuing one
865 u_long sctps_windowprobed; /* total number of window probes sent */
866 u_long sctps_lowlevelerr; /* total times an output error causes
867 * us to clamp down on next user send. */
868 u_long sctps_lowlevelerrusr; /* total times sctp_senderrors were
869 * caused from a user send from a user
870 * invoked send not a sack response */
871 u_long sctps_datadropchklmt; /* Number of in data drops due to
872 * chunk limit reached */
873 u_long sctps_datadroprwnd; /* Number of in data drops due to rwnd
875 u_long sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
877 u_long sctps_vtagexpress; /* Used express lookup via vtag */
878 u_long sctps_vtagbogus; /* Collision in express lookup. */
879 u_long sctps_primary_randry; /* Number of times the sender ran dry
880 * of user data on primary */
881 u_long sctps_cmt_randry;/* Same for above */
882 u_long sctps_slowpath_sack; /* Sacks the slow way */
883 u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */
884 u_long sctps_sends_with_flags; /* number of sends with sinfo_flags
886 u_long sctps_sends_with_unord /* number of undordered sends */ ;
887 u_long sctps_sends_with_eof; /* number of sends with EOF flag set */
888 u_long sctps_sends_with_abort; /* number of sends with ABORT flag set */
889 u_long sctps_protocol_drain_calls; /* number of times protocol
891 u_long sctps_protocol_drains_done; /* number of times we did a
893 u_long sctps_read_peeks;/* Number of times recv was called with peek */
894 u_long sctps_cached_chk;/* Number of cached chunks used */
895 u_long sctps_cached_strmoq; /* Number of cached stream oq's used */
896 u_long sctps_left_abandon; /* Number of unread message abandonded
900 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
901 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
902 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d)
903 #define SCTP_STAT_DECR_BY(_x,_d) atomic_add_long(&sctpstat._x, -(_d))
904 /* The following macros are for handling MIB values, */
905 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
906 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
907 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
908 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
909 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
910 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
912 union sctp_sockstore {
913 #if defined(INET) || !defined(_KERNEL)
914 struct sockaddr_in sin;
916 #if defined(INET6) || !defined(_KERNEL)
917 struct sockaddr_in6 sin6;
925 uint16_t number_local_addresses;
926 uint32_t number_associations;
929 uint32_t total_sends;
930 uint32_t total_recvs;
931 uint32_t total_nospaces;
932 /* add more endpoint specific data here */
936 uint16_t LocalPort; /* sctpAssocEntry 3 */
937 uint16_t RemPort; /* sctpAssocEntry 4 */
938 union sctp_sockstore RemPrimAddr; /* sctpAssocEntry 5/6 */
939 uint32_t HeartBeatInterval; /* sctpAssocEntry 7 */
940 uint32_t State; /* sctpAssocEntry 8 */
941 uint32_t InStreams; /* sctpAssocEntry 9 */
942 uint32_t OutStreams; /* sctpAssocEntry 10 */
943 uint32_t MaxRetr; /* sctpAssocEntry 11 */
944 uint32_t PrimProcess; /* sctpAssocEntry 12 */
945 uint32_t T1expireds; /* sctpAssocEntry 13 */
946 uint32_t T2expireds; /* sctpAssocEntry 14 */
947 uint32_t RtxChunks; /* sctpAssocEntry 15 */
948 struct timeval StartTime; /* sctpAssocEntry 16 */
949 struct timeval DiscontinuityTime; /* sctpAssocEntry 17 */
950 uint32_t total_sends;
951 uint32_t total_recvs;
954 uint32_t initial_tsn;
955 uint32_t highest_tsn;
956 uint32_t cumulative_tsn;
957 uint32_t cumulative_tsn_ack;
958 /* add more association specific data here */
959 uint16_t number_local_addresses;
960 uint16_t number_remote_addresses;
964 union sctp_sockstore LocalAddr; /* sctpAssocLocalAddrEntry 1/2 */
965 struct timeval LocalStartTime; /* sctpAssocLocalAddrEntry 3 */
966 /* add more local address specific data */
970 union sctp_sockstore RemAddr; /* sctpAssocLocalRemEntry 1/2 */
971 uint8_t RemAddrActive; /* sctpAssocLocalRemEntry 3 */
972 uint8_t RemAddrConfirmed; /* */
973 uint8_t RemAddrHBActive;/* sctpAssocLocalRemEntry 4 */
974 uint32_t RemAddrRTO; /* sctpAssocLocalRemEntry 5 */
975 uint32_t RemAddrMaxPathRtx; /* sctpAssocLocalRemEntry 6 */
976 uint32_t RemAddrRtx; /* sctpAssocLocalRemEntry 7 */
977 uint32_t RemAddrErrorCounter; /* */
978 uint32_t RemAddrCwnd; /* */
979 uint32_t RemAddrFlightSize; /* */
980 struct timeval RemAddrStartTime; /* sctpAssocLocalRemEntry 8 */
981 /* add more remote address specific data */
985 * Kernel defined for sctp_send
989 sctp_lower_sosend(struct socket *so,
990 struct sockaddr *addr,
994 struct mbuf *control,
997 struct sctp_sndrcvinfo *srcv
1002 sctp_sorecvmsg(struct socket *so,
1005 struct sockaddr *from,
1008 struct sctp_sndrcvinfo *sinfo,
1017 #if !(defined(_KERNEL))
1020 int sctp_peeloff __P((int, sctp_assoc_t));
1021 int sctp_bindx __P((int, struct sockaddr *, int, int));
1022 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1023 int sctp_getaddrlen __P((sa_family_t));
1024 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1025 void sctp_freepaddrs __P((struct sockaddr *));
1026 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1027 void sctp_freeladdrs __P((struct sockaddr *));
1028 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1030 ssize_t sctp_sendmsg
1031 __P((int, const void *, size_t,
1032 const struct sockaddr *,
1033 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1035 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1036 const struct sctp_sndrcvinfo *sinfo, int flags));
1039 sctp_sendx __P((int sd, const void *msg, size_t len,
1040 struct sockaddr *addrs, int addrcnt,
1041 struct sctp_sndrcvinfo *sinfo, int flags));
1043 sctp_sendmsgx __P((int sd, const void *, size_t,
1044 struct sockaddr *, int,
1045 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1048 sctp_getassocid __P((int sd, struct sockaddr *sa));
1050 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1051 socklen_t *, struct sctp_sndrcvinfo *, int *));
1055 #endif /* !_KERNEL */
1056 #endif /* !__sctp_uio_h__ */