2 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
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>
44 #include <netinet/in.h>
46 typedef uint32_t sctp_assoc_t;
48 /* On/Off setup for subscription to events */
49 struct sctp_event_subscribe {
50 uint8_t sctp_data_io_event;
51 uint8_t sctp_association_event;
52 uint8_t sctp_address_event;
53 uint8_t sctp_send_failure_event;
54 uint8_t sctp_peer_error_event;
55 uint8_t sctp_shutdown_event;
56 uint8_t sctp_partial_delivery_event;
57 uint8_t sctp_adaptation_layer_event;
58 uint8_t sctp_authentication_event;
59 uint8_t sctp_sender_dry_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_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
151 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
152 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
153 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
154 SCTP_SACK_IMMEDIATELY)) != 0)
155 /* for the endpoint */
157 /* The lower byte is an enumeration of PR-SCTP policies */
158 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
159 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
160 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
162 #define PR_SCTP_POLICY(x) ((x) & 0xff)
163 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
164 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
165 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
166 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
167 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
169 struct sctp_pcbinfo {
172 uint32_t laddr_count;
173 uint32_t raddr_count;
175 uint32_t readq_count;
176 uint32_t free_chunks;
177 uint32_t stream_oque;
180 struct sctp_sockstat {
181 sctp_assoc_t ss_assoc_id;
182 uint32_t ss_total_sndbuf;
183 uint32_t ss_total_recv_buf;
187 * notification event structures
191 * association change event
193 struct sctp_assoc_change {
199 uint16_t sac_outbound_streams;
200 uint16_t sac_inbound_streams;
201 sctp_assoc_t sac_assoc_id;
204 /* sac_state values */
205 #define SCTP_COMM_UP 0x0001
206 #define SCTP_COMM_LOST 0x0002
207 #define SCTP_RESTART 0x0003
208 #define SCTP_SHUTDOWN_COMP 0x0004
209 #define SCTP_CANT_STR_ASSOC 0x0005
215 struct sctp_paddr_change {
219 struct sockaddr_storage spc_aaddr;
222 sctp_assoc_t spc_assoc_id;
223 uint8_t spc_padding[4];
226 /* paddr state values */
227 #define SCTP_ADDR_AVAILABLE 0x0001
228 #define SCTP_ADDR_UNREACHABLE 0x0002
229 #define SCTP_ADDR_REMOVED 0x0003
230 #define SCTP_ADDR_ADDED 0x0004
231 #define SCTP_ADDR_MADE_PRIM 0x0005
232 #define SCTP_ADDR_CONFIRMED 0x0006
235 * CAUTION: these are user exposed SCTP addr reachability states must be
236 * compatible with SCTP_ADDR states in sctp_constants.h
241 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
246 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
248 #ifdef SCTP_UNCONFIRMED
249 #undef SCTP_UNCONFIRMED
251 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
253 #ifdef SCTP_NOHEARTBEAT
254 #undef SCTP_NOHEARTBEAT
256 #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */
259 /* remote error events */
260 struct sctp_remote_error {
265 sctp_assoc_t sre_assoc_id;
269 /* data send failure event */
270 struct sctp_send_failed {
275 struct sctp_sndrcvinfo ssf_info;
276 sctp_assoc_t ssf_assoc_id;
280 /* flag that indicates state of data */
281 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
282 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
285 struct sctp_shutdown_event {
289 sctp_assoc_t sse_assoc_id;
292 /* Adaptation layer indication stuff */
293 struct sctp_adaptation_event {
297 uint32_t sai_adaptation_ind;
298 sctp_assoc_t sai_assoc_id;
301 struct sctp_setadaptation {
302 uint32_t ssb_adaptation_ind;
305 /* compatable old spelling */
306 struct sctp_adaption_event {
310 uint32_t sai_adaption_ind;
311 sctp_assoc_t sai_assoc_id;
314 struct sctp_setadaption {
315 uint32_t ssb_adaption_ind;
320 * Partial Delivery API event
322 struct sctp_pdapi_event {
324 uint16_t pdapi_flags;
325 uint32_t pdapi_length;
326 uint32_t pdapi_indication;
327 uint16_t pdapi_stream;
329 sctp_assoc_t pdapi_assoc_id;
332 /* indication values */
333 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
337 * authentication key event
339 struct sctp_authkey_event {
342 uint32_t auth_length;
343 uint16_t auth_keynumber;
344 uint16_t auth_altkeynumber;
345 uint32_t auth_indication;
346 sctp_assoc_t auth_assoc_id;
349 /* indication values */
350 #define SCTP_AUTH_NEWKEY 0x0001
351 #define SCTP_AUTH_NO_AUTH 0x0002
352 #define SCTP_AUTH_FREE_KEY 0x0003
355 struct sctp_sender_dry_event {
356 uint16_t sender_dry_type;
357 uint16_t sender_dry_flags;
358 uint32_t sender_dry_length;
359 sctp_assoc_t sender_dry_assoc_id;
366 struct sctp_stream_reset_event {
367 uint16_t strreset_type;
368 uint16_t strreset_flags;
369 uint32_t strreset_length;
370 sctp_assoc_t strreset_assoc_id;
371 uint16_t strreset_list[0];
374 /* flags in strreset_flags field */
375 #define SCTP_STRRESET_INBOUND_STR 0x0001
376 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
377 #define SCTP_STRRESET_ALL_STREAMS 0x0004
378 #define SCTP_STRRESET_STREAM_LIST 0x0008
379 #define SCTP_STRRESET_FAILED 0x0010
382 /* SCTP notification event */
389 union sctp_notification {
390 struct sctp_tlv sn_header;
391 struct sctp_assoc_change sn_assoc_change;
392 struct sctp_paddr_change sn_paddr_change;
393 struct sctp_remote_error sn_remote_error;
394 struct sctp_send_failed sn_send_failed;
395 struct sctp_shutdown_event sn_shutdown_event;
396 struct sctp_adaptation_event sn_adaptation_event;
397 /* compatability same as above */
398 struct sctp_adaption_event sn_adaption_event;
399 struct sctp_pdapi_event sn_pdapi_event;
400 struct sctp_authkey_event sn_auth_event;
401 struct sctp_sender_dry_event sn_sender_dry_event;
402 struct sctp_stream_reset_event sn_strreset_event;
405 /* notification types */
406 #define SCTP_ASSOC_CHANGE 0x0001
407 #define SCTP_PEER_ADDR_CHANGE 0x0002
408 #define SCTP_REMOTE_ERROR 0x0003
409 #define SCTP_SEND_FAILED 0x0004
410 #define SCTP_SHUTDOWN_EVENT 0x0005
411 #define SCTP_ADAPTATION_INDICATION 0x0006
413 #define SCTP_ADAPTION_INDICATION 0x0006
414 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
415 #define SCTP_AUTHENTICATION_EVENT 0x0008
416 #define SCTP_STREAM_RESET_EVENT 0x0009
417 #define SCTP_SENDER_DRY_EVENT 0x000a
420 * socket option structs
423 struct sctp_paddrparams {
424 struct sockaddr_storage spp_address;
425 sctp_assoc_t spp_assoc_id;
426 uint32_t spp_hbinterval;
427 uint32_t spp_pathmtu;
429 uint32_t spp_ipv6_flowlabel;
430 uint16_t spp_pathmaxrxt;
431 uint8_t spp_ipv4_tos;
434 #define SPP_HB_ENABLE 0x00000001
435 #define SPP_HB_DISABLE 0x00000002
436 #define SPP_HB_DEMAND 0x00000004
437 #define SPP_PMTUD_ENABLE 0x00000008
438 #define SPP_PMTUD_DISABLE 0x00000010
439 #define SPP_HB_TIME_IS_ZERO 0x00000080
440 #define SPP_IPV6_FLOWLABEL 0x00000100
441 #define SPP_IPV4_TOS 0x00000200
443 struct sctp_paddrinfo {
444 struct sockaddr_storage spinfo_address;
445 sctp_assoc_t spinfo_assoc_id;
446 int32_t spinfo_state;
447 uint32_t spinfo_cwnd;
448 uint32_t spinfo_srtt;
453 struct sctp_rtoinfo {
454 sctp_assoc_t srto_assoc_id;
455 uint32_t srto_initial;
460 struct sctp_assocparams {
461 sctp_assoc_t sasoc_assoc_id;
462 uint32_t sasoc_peer_rwnd;
463 uint32_t sasoc_local_rwnd;
464 uint32_t sasoc_cookie_life;
465 uint16_t sasoc_asocmaxrxt;
466 uint16_t sasoc_number_peer_destinations;
469 struct sctp_setprim {
470 struct sockaddr_storage ssp_addr;
471 sctp_assoc_t ssp_assoc_id;
472 uint8_t ssp_padding[4];
475 struct sctp_setpeerprim {
476 struct sockaddr_storage sspp_addr;
477 sctp_assoc_t sspp_assoc_id;
478 uint8_t sspp_padding[4];
481 struct sctp_getaddresses {
482 sctp_assoc_t sget_assoc_id;
483 /* addr is filled in for N * sockaddr_storage */
484 struct sockaddr addr[1];
487 struct sctp_setstrm_timeout {
488 sctp_assoc_t ssto_assoc_id;
489 uint32_t ssto_timeout;
490 uint32_t ssto_streamid_start;
491 uint32_t ssto_streamid_end;
495 sctp_assoc_t sstat_assoc_id;
498 uint16_t sstat_unackdata;
499 uint16_t sstat_penddata;
500 uint16_t sstat_instrms;
501 uint16_t sstat_outstrms;
502 uint32_t sstat_fragmentation_point;
503 struct sctp_paddrinfo sstat_primary;
507 * AUTHENTICATION support
509 /* SCTP_AUTH_CHUNK */
510 struct sctp_authchunk {
515 struct sctp_authkey {
516 sctp_assoc_t sca_assoc_id;
517 uint16_t sca_keynumber;
521 /* SCTP_HMAC_IDENT */
522 struct sctp_hmacalgo {
523 uint32_t shmac_number_of_idents;
524 uint16_t shmac_idents[0];
528 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
529 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
530 #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */
531 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
532 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004
533 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005
534 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006
537 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
538 struct sctp_authkeyid {
539 sctp_assoc_t scact_assoc_id;
540 uint16_t scact_keynumber;
543 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
544 struct sctp_authchunks {
545 sctp_assoc_t gauth_assoc_id;
546 uint8_t gauth_chunks[0];
549 struct sctp_assoc_value {
550 sctp_assoc_t assoc_id;
551 uint32_t assoc_value;
554 struct sctp_assoc_ids {
555 uint32_t gaids_number_of_ids;
556 sctp_assoc_t gaids_assoc_id[0];
559 struct sctp_sack_info {
560 sctp_assoc_t sack_assoc_id;
565 struct sctp_cwnd_args {
566 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
567 uint32_t cwnd_new_value;/* cwnd in k */
568 uint32_t inflight; /* flightsize in k */
569 uint32_t pseudo_cumack;
570 uint32_t cwnd_augment; /* increment to it */
571 uint8_t meets_pseudo_cumack;
572 uint8_t need_new_pseudo_cumack;
577 struct sctp_blk_args {
578 uint32_t onsb; /* in 1k bytes */
579 uint32_t sndlen; /* len of send being attempted */
580 uint32_t peer_rwnd; /* rwnd of peer */
581 uint16_t send_sent_qcnt;/* chnk cnt */
582 uint16_t stream_qcnt; /* chnk cnt */
583 uint16_t chunks_on_oque;/* chunks out */
584 uint16_t flight_size; /* flight size in k */
588 * Max we can reset in one setting, note this is dictated not by the define
589 * but the size of a mbuf cluster so don't change this define and think you
590 * can specify more. You must do multiple resets if you want to reset more
591 * than SCTP_MAX_EXPLICIT_STR_RESET.
593 #define SCTP_MAX_EXPLICT_STR_RESET 1000
595 #define SCTP_RESET_LOCAL_RECV 0x0001
596 #define SCTP_RESET_LOCAL_SEND 0x0002
597 #define SCTP_RESET_BOTH 0x0003
598 #define SCTP_RESET_TSN 0x0004
600 struct sctp_stream_reset {
601 sctp_assoc_t strrst_assoc_id;
602 uint16_t strrst_flags;
603 uint16_t strrst_num_streams; /* 0 == ALL */
604 uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */
608 struct sctp_get_nonce_values {
609 sctp_assoc_t gn_assoc_id;
610 uint32_t gn_peers_tag;
611 uint32_t gn_local_tag;
615 struct sctp_str_log {
616 void *stcb; /* FIXME: LP64 issue */
625 void *stcb; /* FIXME: LP64 issue */
632 uint32_t largest_tsn;
633 uint32_t largest_new_tsn;
643 struct sctp_rwnd_log {
650 struct sctp_mbcnt_log {
651 uint32_t total_queue_size;
652 uint32_t size_change;
653 uint32_t total_queue_mb_size;
654 uint32_t mbcnt_change;
657 struct sctp_sack_log {
665 struct sctp_lock_log {
666 void *sock; /* FIXME: LP64 issue */
667 void *inp; /* FIXME: LP64 issue */
672 uint8_t sockrcvbuf_lock;
673 uint8_t socksndbuf_lock;
678 struct sctp_rto_log {
679 void *net; /* FIXME: LP64 issue */
683 struct sctp_nagle_log {
684 void *stcb; /* FIXME: LP64 issue */
685 uint32_t total_flight;
686 uint32_t total_in_queue;
687 uint16_t count_in_queue;
688 uint16_t count_in_flight;
691 struct sctp_sbwake_log {
692 void *stcb; /* FIXME: LP64 issue */
697 uint8_t stream_qcnt; /* chnk cnt */
698 uint8_t chunks_on_oque; /* chunks out */
703 struct sctp_misc_info {
710 struct sctp_log_closing {
711 void *inp; /* FIXME: LP64 issue */
712 void *stcb; /* FIXME: LP64 issue */
718 struct sctp_mbuf_log {
719 struct mbuf *mp; /* FIXME: LP64 issue */
727 struct sctp_cwnd_log {
733 struct sctp_log_closing close;
734 struct sctp_blk_args blk;
735 struct sctp_cwnd_args cwnd;
736 struct sctp_str_log strlog;
737 struct sctp_fr_log fr;
738 struct sctp_fr_map map;
739 struct sctp_rwnd_log rwnd;
740 struct sctp_mbcnt_log mbcnt;
741 struct sctp_sack_log sack;
742 struct sctp_lock_log lock;
743 struct sctp_rto_log rto;
744 struct sctp_sb_log sb;
745 struct sctp_nagle_log nagle;
746 struct sctp_sbwake_log wake;
747 struct sctp_mbuf_log mb;
748 struct sctp_misc_info misc;
752 struct sctp_cwnd_log_req {
753 int32_t num_in_log; /* Number in log */
754 int32_t num_ret; /* Number returned */
755 int32_t start_at; /* start at this one */
756 int32_t end_at; /* end at this one */
757 struct sctp_cwnd_log log[0];
760 struct sctp_timeval {
766 /* MIB according to RFC 3873 */
767 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
768 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
769 uint32_t sctps_restartestab;
770 uint32_t sctps_collisionestab;
771 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
772 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
773 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
774 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
775 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
776 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
777 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
778 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
779 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
780 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
781 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
782 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
783 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
784 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
785 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
787 /* input statistics: */
788 uint32_t sctps_recvpackets; /* total input packets */
789 uint32_t sctps_recvdatagrams; /* total input datagrams */
790 uint32_t sctps_recvpktwithdata; /* total packets that had data */
791 uint32_t sctps_recvsacks; /* total input SACK chunks */
792 uint32_t sctps_recvdata;/* total input DATA chunks */
793 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
794 uint32_t sctps_recvheartbeat; /* total input HB chunks */
795 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
796 uint32_t sctps_recvecne;/* total input ECNE chunks */
797 uint32_t sctps_recvauth;/* total input AUTH chunks */
798 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
799 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
801 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
803 uint32_t sctps_recvauthfailed; /* total number of auth failed */
804 uint32_t sctps_recvexpress; /* total fast path receives all one
806 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
807 /* output statistics: */
808 uint32_t sctps_sendpackets; /* total output packets */
809 uint32_t sctps_sendsacks; /* total output SACKs */
810 uint32_t sctps_senddata;/* total output DATA chunks */
811 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
813 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
815 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
816 * more than once to same
817 * chunk (u-del multi-fr
819 uint32_t sctps_sendheartbeat; /* total output HB chunks */
820 uint32_t sctps_sendecne;/* total output ECNE chunks */
821 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
822 uint32_t sctps_senderrors; /* ip_output error counter */
823 /* PCKDROPREP statistics: */
824 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
825 uint32_t sctps_pdrpfehos; /* P-drop from end host */
826 uint32_t sctps_pdrpmbda;/* P-drops with data */
827 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
828 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
830 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
831 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
832 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
834 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
835 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
836 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
837 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
838 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
839 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
841 uint32_t sctps_timoiterator; /* Number of iterator timers that
843 uint32_t sctps_timodata;/* Number of T3 data time outs */
844 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
846 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
847 uint32_t sctps_timosack;/* Number of sack timers that fired */
848 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
850 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
852 uint32_t sctps_timocookie; /* Number of times a cookie timeout
854 uint32_t sctps_timosecret; /* Number of times an endpoint changed
855 * its cookie secret */
856 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
857 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
859 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
860 * timers that fired */
861 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
863 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
865 uint32_t sctps_timoasconf; /* Number of times an asconf timer
867 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
869 uint32_t sctps_timoautoclose; /* Number of times auto close timer
871 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
872 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
873 /* Early fast retransmission counters */
874 uint32_t sctps_earlyfrstart;
875 uint32_t sctps_earlyfrstop;
876 uint32_t sctps_earlyfrmrkretrans;
877 uint32_t sctps_earlyfrstpout;
878 uint32_t sctps_earlyfrstpidsck1;
879 uint32_t sctps_earlyfrstpidsck2;
880 uint32_t sctps_earlyfrstpidsck3;
881 uint32_t sctps_earlyfrstpidsck4;
882 uint32_t sctps_earlyfrstrid;
883 uint32_t sctps_earlyfrstrout;
884 uint32_t sctps_earlyfrstrtmr;
886 uint32_t sctps_hdrops; /* packet shorter than header */
887 uint32_t sctps_badsum; /* checksum error */
888 uint32_t sctps_noport; /* no endpoint for port */
889 uint32_t sctps_badvtag; /* bad v-tag */
890 uint32_t sctps_badsid; /* bad SID */
891 uint32_t sctps_nomem; /* no memory */
892 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
894 uint32_t sctps_markedretrans;
895 uint32_t sctps_naglesent; /* nagle allowed sending */
896 uint32_t sctps_naglequeued; /* nagle does't allow sending */
897 uint32_t sctps_maxburstqueued; /* max burst dosn't allow sending */
898 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
899 * interface ring buffer OR we had a
900 * send error and are queuing one
902 uint32_t sctps_windowprobed; /* total number of window probes sent */
903 uint32_t sctps_lowlevelerr; /* total times an output error causes
904 * us to clamp down on next user send. */
905 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
906 * caused from a user send from a user
907 * invoked send not a sack response */
908 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
909 * chunk limit reached */
910 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
912 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
914 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
915 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
916 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
917 * of user data on primary */
918 uint32_t sctps_cmt_randry; /* Same for above */
919 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
920 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
921 uint32_t sctps_sends_with_flags; /* number of sends with
923 uint32_t sctps_sends_with_unord /* number of undordered sends */ ;
924 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
925 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
927 uint32_t sctps_protocol_drain_calls; /* number of times protocol
929 uint32_t sctps_protocol_drains_done; /* number of times we did a
931 uint32_t sctps_read_peeks; /* Number of times recv was called
933 uint32_t sctps_cached_chk; /* Number of cached chunks used */
934 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
935 uint32_t sctps_left_abandon; /* Number of unread message abandonded
937 uint32_t sctps_send_burst_avoid; /* Send burst avoidance,
938 * already max burst inflight
940 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
941 * max burst inflight to net */
942 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
945 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
949 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
950 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
951 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
952 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
954 /* The following macros are for handling MIB values, */
955 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
956 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
957 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
958 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
959 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
960 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
962 union sctp_sockstore {
963 #if defined(INET) || !defined(_KERNEL)
964 struct sockaddr_in sin;
966 #if defined(INET6) || !defined(_KERNEL)
967 struct sockaddr_in6 sin6;
976 uint32_t total_sends;
977 uint32_t total_recvs;
978 uint32_t total_nospaces;
979 uint32_t fragmentation_point;
986 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
988 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
989 uint32_t state; /* sctpAssocEntry 8 */
990 uint32_t in_streams; /* sctpAssocEntry 9 */
991 uint32_t out_streams; /* sctpAssocEntry 10 */
992 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
993 uint32_t primary_process; /* sctpAssocEntry 12 */
994 uint32_t T1_expireries; /* sctpAssocEntry 13 */
995 uint32_t T2_expireries; /* sctpAssocEntry 14 */
996 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
997 uint32_t total_sends;
998 uint32_t total_recvs;
1000 uint32_t remote_tag;
1001 uint32_t initial_tsn;
1002 uint32_t highest_tsn;
1003 uint32_t cumulative_tsn;
1004 uint32_t cumulative_tsn_ack;
1007 uint16_t local_port; /* sctpAssocEntry 3 */
1008 uint16_t remote_port; /* sctpAssocEntry 4 */
1009 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1010 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1013 struct xsctp_laddr {
1014 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1016 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1019 struct xsctp_raddr {
1020 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1022 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1023 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1024 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1025 uint32_t error_counter; /* */
1026 uint32_t cwnd; /* */
1027 uint32_t flight_size; /* */
1029 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1030 uint8_t confirmed; /* */
1031 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1032 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1035 #define SCTP_MAX_LOGGING_SIZE 30000
1036 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1038 struct sctp_log_entry {
1042 uint32_t params[SCTP_TRACE_PARAMS];
1046 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1052 * Kernel defined for sctp_send
1054 #if defined(_KERNEL) || defined(__Userspace__)
1056 sctp_lower_sosend(struct socket *so,
1057 struct sockaddr *addr,
1060 struct mbuf *control,
1063 struct sctp_sndrcvinfo *srcv
1068 sctp_sorecvmsg(struct socket *so,
1071 struct sockaddr *from,
1074 struct sctp_sndrcvinfo *sinfo,
1082 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
1085 int sctp_peeloff __P((int, sctp_assoc_t));
1086 int sctp_bindx __P((int, struct sockaddr *, int, int));
1087 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1088 int sctp_getaddrlen __P((sa_family_t));
1089 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1090 void sctp_freepaddrs __P((struct sockaddr *));
1091 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1092 void sctp_freeladdrs __P((struct sockaddr *));
1093 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1095 ssize_t sctp_sendmsg
1096 __P((int, const void *, size_t,
1097 const struct sockaddr *,
1098 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1100 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1101 const struct sctp_sndrcvinfo *sinfo, int flags));
1103 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len,
1104 struct sockaddr *addrs, int addrcnt,
1105 struct sctp_sndrcvinfo *sinfo, int flags));
1107 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t,
1108 struct sockaddr *, int,
1109 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1111 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa));
1113 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1114 socklen_t *, struct sctp_sndrcvinfo *, int *));
1118 #endif /* !_KERNEL */
1119 #endif /* !__sctp_uio_h__ */