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:
7 * a) Redistributions of source code must retain the above copyright notice,
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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 /* Compatibility to previous define's */
49 #define sctp_stream_reset_events sctp_stream_reset_event
51 /* On/Off setup for subscription to events */
52 struct sctp_event_subscribe {
53 uint8_t sctp_data_io_event;
54 uint8_t sctp_association_event;
55 uint8_t sctp_address_event;
56 uint8_t sctp_send_failure_event;
57 uint8_t sctp_peer_error_event;
58 uint8_t sctp_shutdown_event;
59 uint8_t sctp_partial_delivery_event;
60 uint8_t sctp_adaptation_layer_event;
61 uint8_t sctp_authentication_event;
62 uint8_t sctp_sender_dry_event;
63 uint8_t sctp_stream_reset_event;
66 /* ancillary data types */
67 #define SCTP_INIT 0x0001
68 #define SCTP_SNDRCV 0x0002
69 #define SCTP_EXTRCV 0x0003
71 * ancillary data structures
74 uint16_t sinit_num_ostreams;
75 uint16_t sinit_max_instreams;
76 uint16_t sinit_max_attempts;
77 uint16_t sinit_max_init_timeo;
80 /* We add 96 bytes to the size of sctp_sndrcvinfo.
81 * This makes the current structure 128 bytes long
82 * which is nicely 64 bit aligned but also has room
83 * for us to add more and keep ABI compatibility.
84 * For example, already we have the sctp_extrcvinfo
85 * when enabled which is 48 bytes.
89 * The assoc up needs a verfid
90 * all sendrcvinfo's need a verfid for SENDING only.
94 #define SCTP_ALIGN_RESV_PAD 96
95 #define SCTP_ALIGN_RESV_PAD_SHORT 80
97 struct sctp_sndrcvinfo {
98 uint16_t sinfo_stream;
100 uint16_t sinfo_flags;
102 uint32_t sinfo_context;
103 uint32_t sinfo_timetolive;
105 uint32_t sinfo_cumtsn;
106 sctp_assoc_t sinfo_assoc_id;
107 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
110 struct sctp_extrcvinfo {
111 uint16_t sinfo_stream;
113 uint16_t sinfo_flags;
114 uint16_t sinfo_pr_policy;
116 uint32_t sinfo_context;
117 uint32_t sinfo_timetolive;
119 uint32_t sinfo_cumtsn;
120 sctp_assoc_t sinfo_assoc_id;
121 uint16_t sreinfo_next_flags;
122 uint16_t sreinfo_next_stream;
123 uint32_t sreinfo_next_aid;
124 uint32_t sreinfo_next_length;
125 uint32_t sreinfo_next_ppid;
126 uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
129 #define SCTP_NO_NEXT_MSG 0x0000
130 #define SCTP_NEXT_MSG_AVAIL 0x0001
131 #define SCTP_NEXT_MSG_ISCOMPLETE 0x0002
132 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
133 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
135 struct sctp_snd_all_completes {
136 uint16_t sall_stream;
139 uint32_t sall_context;
140 uint32_t sall_num_sent;
141 uint32_t sall_num_failed;
144 /* Flags that go into the sinfo->sinfo_flags field */
145 #define SCTP_EOF 0x0100 /* Start shutdown procedures */
146 #define SCTP_ABORT 0x0200 /* Send an ABORT to peer */
147 #define SCTP_UNORDERED 0x0400 /* Message is un-ordered */
148 #define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */
149 #define SCTP_SENDALL 0x1000 /* Send this on all associations */
150 #define SCTP_EOR 0x2000 /* end of message signal */
151 #define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */
153 #define INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \
154 & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
155 SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
156 SCTP_SACK_IMMEDIATELY)) != 0)
157 /* for the endpoint */
159 /* The lower byte is an enumeration of PR-SCTP policies */
160 #define SCTP_PR_SCTP_TTL 0x0001/* Time based PR-SCTP */
161 #define SCTP_PR_SCTP_BUF 0x0002/* Buffer based PR-SCTP */
162 #define SCTP_PR_SCTP_RTX 0x0003/* Number of retransmissions based PR-SCTP */
164 #define PR_SCTP_POLICY(x) ((x) & 0xff)
165 #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0)
166 #define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
167 #define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
168 #define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
169 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
171 struct sctp_pcbinfo {
174 uint32_t laddr_count;
175 uint32_t raddr_count;
177 uint32_t readq_count;
178 uint32_t free_chunks;
179 uint32_t stream_oque;
182 struct sctp_sockstat {
183 sctp_assoc_t ss_assoc_id;
184 uint32_t ss_total_sndbuf;
185 uint32_t ss_total_recv_buf;
189 * notification event structures
193 * association change event
195 struct sctp_assoc_change {
201 uint16_t sac_outbound_streams;
202 uint16_t sac_inbound_streams;
203 sctp_assoc_t sac_assoc_id;
206 /* sac_state values */
207 #define SCTP_COMM_UP 0x0001
208 #define SCTP_COMM_LOST 0x0002
209 #define SCTP_RESTART 0x0003
210 #define SCTP_SHUTDOWN_COMP 0x0004
211 #define SCTP_CANT_STR_ASSOC 0x0005
217 struct sctp_paddr_change {
221 struct sockaddr_storage spc_aaddr;
224 sctp_assoc_t spc_assoc_id;
225 uint8_t spc_padding[4];
228 /* paddr state values */
229 #define SCTP_ADDR_AVAILABLE 0x0001
230 #define SCTP_ADDR_UNREACHABLE 0x0002
231 #define SCTP_ADDR_REMOVED 0x0003
232 #define SCTP_ADDR_ADDED 0x0004
233 #define SCTP_ADDR_MADE_PRIM 0x0005
234 #define SCTP_ADDR_CONFIRMED 0x0006
236 #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */
237 #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */
238 #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */
240 /* remote error events */
241 struct sctp_remote_error {
246 sctp_assoc_t sre_assoc_id;
250 /* data send failure event */
251 struct sctp_send_failed {
256 struct sctp_sndrcvinfo ssf_info;
257 sctp_assoc_t ssf_assoc_id;
261 /* flag that indicates state of data */
262 #define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */
263 #define SCTP_DATA_SENT 0x0002 /* on wire at failure */
266 struct sctp_shutdown_event {
270 sctp_assoc_t sse_assoc_id;
273 /* Adaptation layer indication stuff */
274 struct sctp_adaptation_event {
278 uint32_t sai_adaptation_ind;
279 sctp_assoc_t sai_assoc_id;
282 struct sctp_setadaptation {
283 uint32_t ssb_adaptation_ind;
286 /* compatible old spelling */
287 struct sctp_adaption_event {
291 uint32_t sai_adaption_ind;
292 sctp_assoc_t sai_assoc_id;
295 struct sctp_setadaption {
296 uint32_t ssb_adaption_ind;
301 * Partial Delivery API event
303 struct sctp_pdapi_event {
305 uint16_t pdapi_flags;
306 uint32_t pdapi_length;
307 uint32_t pdapi_indication;
308 uint16_t pdapi_stream;
310 sctp_assoc_t pdapi_assoc_id;
313 /* indication values */
314 #define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001
318 * authentication key event
320 struct sctp_authkey_event {
323 uint32_t auth_length;
324 uint16_t auth_keynumber;
325 uint16_t auth_altkeynumber;
326 uint32_t auth_indication;
327 sctp_assoc_t auth_assoc_id;
330 /* indication values */
331 #define SCTP_AUTH_NEWKEY 0x0001
332 #define SCTP_AUTH_NO_AUTH 0x0002
333 #define SCTP_AUTH_FREE_KEY 0x0003
336 struct sctp_sender_dry_event {
337 uint16_t sender_dry_type;
338 uint16_t sender_dry_flags;
339 uint32_t sender_dry_length;
340 sctp_assoc_t sender_dry_assoc_id;
347 struct sctp_stream_reset_event {
348 uint16_t strreset_type;
349 uint16_t strreset_flags;
350 uint32_t strreset_length;
351 sctp_assoc_t strreset_assoc_id;
352 uint16_t strreset_list[];
355 /* flags in strreset_flags field */
356 #define SCTP_STRRESET_INBOUND_STR 0x0001
357 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
358 #define SCTP_STRRESET_ALL_STREAMS 0x0004
359 #define SCTP_STRRESET_STREAM_LIST 0x0008
360 #define SCTP_STRRESET_FAILED 0x0010
361 #define SCTP_STRRESET_ADD_STREAM 0x0020
363 /* SCTP notification event */
370 union sctp_notification {
371 struct sctp_tlv sn_header;
372 struct sctp_assoc_change sn_assoc_change;
373 struct sctp_paddr_change sn_paddr_change;
374 struct sctp_remote_error sn_remote_error;
375 struct sctp_send_failed sn_send_failed;
376 struct sctp_shutdown_event sn_shutdown_event;
377 struct sctp_adaptation_event sn_adaptation_event;
378 /* compatibility same as above */
379 struct sctp_adaption_event sn_adaption_event;
380 struct sctp_pdapi_event sn_pdapi_event;
381 struct sctp_authkey_event sn_auth_event;
382 struct sctp_sender_dry_event sn_sender_dry_event;
383 struct sctp_stream_reset_event sn_strreset_event;
386 /* notification types */
387 #define SCTP_ASSOC_CHANGE 0x0001
388 #define SCTP_PEER_ADDR_CHANGE 0x0002
389 #define SCTP_REMOTE_ERROR 0x0003
390 #define SCTP_SEND_FAILED 0x0004
391 #define SCTP_SHUTDOWN_EVENT 0x0005
392 #define SCTP_ADAPTATION_INDICATION 0x0006
394 #define SCTP_ADAPTION_INDICATION 0x0006
395 #define SCTP_PARTIAL_DELIVERY_EVENT 0x0007
396 #define SCTP_AUTHENTICATION_EVENT 0x0008
397 #define SCTP_STREAM_RESET_EVENT 0x0009
398 #define SCTP_SENDER_DRY_EVENT 0x000a
399 #define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b /* we don't send this */
401 * socket option structs
404 struct sctp_paddrparams {
405 struct sockaddr_storage spp_address;
406 sctp_assoc_t spp_assoc_id;
407 uint32_t spp_hbinterval;
408 uint32_t spp_pathmtu;
410 uint32_t spp_ipv6_flowlabel;
411 uint16_t spp_pathmaxrxt;
412 uint8_t spp_ipv4_tos;
415 #define SPP_HB_ENABLE 0x00000001
416 #define SPP_HB_DISABLE 0x00000002
417 #define SPP_HB_DEMAND 0x00000004
418 #define SPP_PMTUD_ENABLE 0x00000008
419 #define SPP_PMTUD_DISABLE 0x00000010
420 #define SPP_HB_TIME_IS_ZERO 0x00000080
421 #define SPP_IPV6_FLOWLABEL 0x00000100
422 #define SPP_IPV4_TOS 0x00000200
424 struct sctp_paddrinfo {
425 struct sockaddr_storage spinfo_address;
426 sctp_assoc_t spinfo_assoc_id;
427 int32_t spinfo_state;
428 uint32_t spinfo_cwnd;
429 uint32_t spinfo_srtt;
434 struct sctp_rtoinfo {
435 sctp_assoc_t srto_assoc_id;
436 uint32_t srto_initial;
441 struct sctp_assocparams {
442 sctp_assoc_t sasoc_assoc_id;
443 uint32_t sasoc_peer_rwnd;
444 uint32_t sasoc_local_rwnd;
445 uint32_t sasoc_cookie_life;
446 uint16_t sasoc_asocmaxrxt;
447 uint16_t sasoc_number_peer_destinations;
450 struct sctp_setprim {
451 struct sockaddr_storage ssp_addr;
452 sctp_assoc_t ssp_assoc_id;
453 uint8_t ssp_padding[4];
456 struct sctp_setpeerprim {
457 struct sockaddr_storage sspp_addr;
458 sctp_assoc_t sspp_assoc_id;
459 uint8_t sspp_padding[4];
462 struct sctp_getaddresses {
463 sctp_assoc_t sget_assoc_id;
464 /* addr is filled in for N * sockaddr_storage */
465 struct sockaddr addr[1];
468 struct sctp_setstrm_timeout {
469 sctp_assoc_t ssto_assoc_id;
470 uint32_t ssto_timeout;
471 uint32_t ssto_streamid_start;
472 uint32_t ssto_streamid_end;
476 sctp_assoc_t sstat_assoc_id;
479 uint16_t sstat_unackdata;
480 uint16_t sstat_penddata;
481 uint16_t sstat_instrms;
482 uint16_t sstat_outstrms;
483 uint32_t sstat_fragmentation_point;
484 struct sctp_paddrinfo sstat_primary;
488 * AUTHENTICATION support
490 /* SCTP_AUTH_CHUNK */
491 struct sctp_authchunk {
496 struct sctp_authkey {
497 sctp_assoc_t sca_assoc_id;
498 uint16_t sca_keynumber;
502 /* SCTP_HMAC_IDENT */
503 struct sctp_hmacalgo {
504 uint32_t shmac_number_of_idents;
505 uint16_t shmac_idents[];
509 #define SCTP_AUTH_HMAC_ID_RSVD 0x0000
510 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */
511 #define SCTP_AUTH_HMAC_ID_SHA256 0x0003
512 #define SCTP_AUTH_HMAC_ID_SHA224 0x0004
513 #define SCTP_AUTH_HMAC_ID_SHA384 0x0005
514 #define SCTP_AUTH_HMAC_ID_SHA512 0x0006
517 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
518 struct sctp_authkeyid {
519 sctp_assoc_t scact_assoc_id;
520 uint16_t scact_keynumber;
523 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
524 struct sctp_authchunks {
525 sctp_assoc_t gauth_assoc_id;
526 uint8_t gauth_chunks[];
529 struct sctp_assoc_value {
530 sctp_assoc_t assoc_id;
531 uint32_t assoc_value;
534 struct sctp_assoc_ids {
535 uint32_t gaids_number_of_ids;
536 sctp_assoc_t gaids_assoc_id[];
539 struct sctp_sack_info {
540 sctp_assoc_t sack_assoc_id;
545 struct sctp_timeouts {
546 sctp_assoc_t stimo_assoc_id;
550 uint32_t stimo_shutdown;
551 uint32_t stimo_heartbeat;
552 uint32_t stimo_cookie;
553 uint32_t stimo_shutdownack;
556 struct sctp_cwnd_args {
557 struct sctp_nets *net; /* network to *//* FIXME: LP64 issue */
558 uint32_t cwnd_new_value;/* cwnd in k */
559 uint32_t pseudo_cumack;
560 uint16_t inflight; /* flightsize in k */
561 uint16_t cwnd_augment; /* increment to it */
562 uint8_t meets_pseudo_cumack;
563 uint8_t need_new_pseudo_cumack;
568 struct sctp_blk_args {
569 uint32_t onsb; /* in 1k bytes */
570 uint32_t sndlen; /* len of send being attempted */
571 uint32_t peer_rwnd; /* rwnd of peer */
572 uint16_t send_sent_qcnt;/* chnk cnt */
573 uint16_t stream_qcnt; /* chnk cnt */
574 uint16_t chunks_on_oque;/* chunks out */
575 uint16_t flight_size; /* flight size in k */
579 * Max we can reset in one setting, note this is dictated not by the define
580 * but the size of a mbuf cluster so don't change this define and think you
581 * can specify more. You must do multiple resets if you want to reset more
582 * than SCTP_MAX_EXPLICIT_STR_RESET.
584 #define SCTP_MAX_EXPLICT_STR_RESET 1000
586 #define SCTP_RESET_LOCAL_RECV 0x0001
587 #define SCTP_RESET_LOCAL_SEND 0x0002
588 #define SCTP_RESET_BOTH 0x0003
589 #define SCTP_RESET_TSN 0x0004
590 #define SCTP_RESET_ADD_STREAMS 0x0005
592 struct sctp_stream_reset {
593 sctp_assoc_t strrst_assoc_id;
594 uint16_t strrst_flags;
595 uint16_t strrst_num_streams; /* 0 == ALL */
596 uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */
600 struct sctp_get_nonce_values {
601 sctp_assoc_t gn_assoc_id;
602 uint32_t gn_peers_tag;
603 uint32_t gn_local_tag;
607 struct sctp_str_log {
608 void *stcb; /* FIXME: LP64 issue */
617 void *stcb; /* FIXME: LP64 issue */
624 uint32_t largest_tsn;
625 uint32_t largest_new_tsn;
635 struct sctp_rwnd_log {
642 struct sctp_mbcnt_log {
643 uint32_t total_queue_size;
644 uint32_t size_change;
645 uint32_t total_queue_mb_size;
646 uint32_t mbcnt_change;
649 struct sctp_sack_log {
657 struct sctp_lock_log {
658 void *sock; /* FIXME: LP64 issue */
659 void *inp; /* FIXME: LP64 issue */
664 uint8_t sockrcvbuf_lock;
665 uint8_t socksndbuf_lock;
670 struct sctp_rto_log {
671 void *net; /* FIXME: LP64 issue */
675 struct sctp_nagle_log {
676 void *stcb; /* FIXME: LP64 issue */
677 uint32_t total_flight;
678 uint32_t total_in_queue;
679 uint16_t count_in_queue;
680 uint16_t count_in_flight;
683 struct sctp_sbwake_log {
684 void *stcb; /* FIXME: LP64 issue */
689 uint8_t stream_qcnt; /* chnk cnt */
690 uint8_t chunks_on_oque; /* chunks out */
695 struct sctp_misc_info {
702 struct sctp_log_closing {
703 void *inp; /* FIXME: LP64 issue */
704 void *stcb; /* FIXME: LP64 issue */
710 struct sctp_mbuf_log {
711 struct mbuf *mp; /* FIXME: LP64 issue */
719 struct sctp_cwnd_log {
725 struct sctp_log_closing close;
726 struct sctp_blk_args blk;
727 struct sctp_cwnd_args cwnd;
728 struct sctp_str_log strlog;
729 struct sctp_fr_log fr;
730 struct sctp_fr_map map;
731 struct sctp_rwnd_log rwnd;
732 struct sctp_mbcnt_log mbcnt;
733 struct sctp_sack_log sack;
734 struct sctp_lock_log lock;
735 struct sctp_rto_log rto;
736 struct sctp_sb_log sb;
737 struct sctp_nagle_log nagle;
738 struct sctp_sbwake_log wake;
739 struct sctp_mbuf_log mb;
740 struct sctp_misc_info misc;
744 struct sctp_cwnd_log_req {
745 int32_t num_in_log; /* Number in log */
746 int32_t num_ret; /* Number returned */
747 int32_t start_at; /* start at this one */
748 int32_t end_at; /* end at this one */
749 struct sctp_cwnd_log log[];
752 struct sctp_timeval {
758 struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18
760 /* MIB according to RFC 3873 */
761 uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */
762 uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */
763 uint32_t sctps_restartestab;
764 uint32_t sctps_collisionestab;
765 uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */
766 uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */
767 uint32_t sctps_shutdown;/* sctpStats 5 (Counter32) */
768 uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */
769 uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */
770 uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */
771 uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */
772 uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */
773 uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
774 uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */
775 uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
776 uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */
777 uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */
778 uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */
779 uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */
781 /* input statistics: */
782 uint32_t sctps_recvpackets; /* total input packets */
783 uint32_t sctps_recvdatagrams; /* total input datagrams */
784 uint32_t sctps_recvpktwithdata; /* total packets that had data */
785 uint32_t sctps_recvsacks; /* total input SACK chunks */
786 uint32_t sctps_recvdata;/* total input DATA chunks */
787 uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */
788 uint32_t sctps_recvheartbeat; /* total input HB chunks */
789 uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */
790 uint32_t sctps_recvecne;/* total input ECNE chunks */
791 uint32_t sctps_recvauth;/* total input AUTH chunks */
792 uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
793 uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids
795 uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids
797 uint32_t sctps_recvauthfailed; /* total number of auth failed */
798 uint32_t sctps_recvexpress; /* total fast path receives all one
800 uint32_t sctps_recvexpressm; /* total fast path multi-part data */
801 uint32_t sctps_recvnocrc;
802 uint32_t sctps_recvswcrc;
803 uint32_t sctps_recvhwcrc;
805 /* output statistics: */
806 uint32_t sctps_sendpackets; /* total output packets */
807 uint32_t sctps_sendsacks; /* total output SACKs */
808 uint32_t sctps_senddata;/* total output DATA chunks */
809 uint32_t sctps_sendretransdata; /* total output retransmitted DATA
811 uint32_t sctps_sendfastretrans; /* total output fast retransmitted
813 uint32_t sctps_sendmultfastretrans; /* total FR's that happened
814 * more than once to same
815 * chunk (u-del multi-fr
817 uint32_t sctps_sendheartbeat; /* total output HB chunks */
818 uint32_t sctps_sendecne;/* total output ECNE chunks */
819 uint32_t sctps_sendauth;/* total output AUTH chunks FIXME */
820 uint32_t sctps_senderrors; /* ip_output error counter */
821 uint32_t sctps_sendnocrc;
822 uint32_t sctps_sendswcrc;
823 uint32_t sctps_sendhwcrc;
824 /* PCKDROPREP statistics: */
825 uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */
826 uint32_t sctps_pdrpfehos; /* P-drop from end host */
827 uint32_t sctps_pdrpmbda;/* P-drops with data */
828 uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
829 uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep
831 uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */
832 uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */
833 uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop
835 uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */
836 uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */
837 uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */
838 uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */
839 uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
840 uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
842 uint32_t sctps_timoiterator; /* Number of iterator timers that
844 uint32_t sctps_timodata;/* Number of T3 data time outs */
845 uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
847 uint32_t sctps_timoinit;/* Number of INIT timers that fired */
848 uint32_t sctps_timosack;/* Number of sack timers that fired */
849 uint32_t sctps_timoshutdown; /* Number of shutdown timers that
851 uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that
853 uint32_t sctps_timocookie; /* Number of times a cookie timeout
855 uint32_t sctps_timosecret; /* Number of times an endpoint changed
856 * its cookie secret */
857 uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */
858 uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
860 uint32_t sctps_timoshutdownguard; /* Number of shutdown guard
861 * timers that fired */
862 uint32_t sctps_timostrmrst; /* Number of stream reset timers that
864 uint32_t sctps_timoearlyfr; /* Number of early FR timers that
866 uint32_t sctps_timoasconf; /* Number of times an asconf timer
868 uint32_t sctps_timodelprim; /* Number of times a prim_deleted
870 uint32_t sctps_timoautoclose; /* Number of times auto close timer
872 uint32_t sctps_timoassockill; /* Number of asoc free timers expired */
873 uint32_t sctps_timoinpkill; /* Number of inp free timers expired */
874 /* Early fast retransmission counters */
875 uint32_t sctps_earlyfrstart;
876 uint32_t sctps_earlyfrstop;
877 uint32_t sctps_earlyfrmrkretrans;
878 uint32_t sctps_earlyfrstpout;
879 uint32_t sctps_earlyfrstpidsck1;
880 uint32_t sctps_earlyfrstpidsck2;
881 uint32_t sctps_earlyfrstpidsck3;
882 uint32_t sctps_earlyfrstpidsck4;
883 uint32_t sctps_earlyfrstrid;
884 uint32_t sctps_earlyfrstrout;
885 uint32_t sctps_earlyfrstrtmr;
887 uint32_t sctps_hdrops; /* packet shorter than header */
888 uint32_t sctps_badsum; /* checksum error */
889 uint32_t sctps_noport; /* no endpoint for port */
890 uint32_t sctps_badvtag; /* bad v-tag */
891 uint32_t sctps_badsid; /* bad SID */
892 uint32_t sctps_nomem; /* no memory */
893 uint32_t sctps_fastretransinrtt; /* number of multiple FR in a
895 uint32_t sctps_markedretrans;
896 uint32_t sctps_naglesent; /* nagle allowed sending */
897 uint32_t sctps_naglequeued; /* nagle doesn't allow sending */
898 uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */
899 uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in
900 * interface ring buffer OR we had a
901 * send error and are queuing one
903 uint32_t sctps_windowprobed; /* total number of window probes sent */
904 uint32_t sctps_lowlevelerr; /* total times an output error causes
905 * us to clamp down on next user send. */
906 uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were
907 * caused from a user send from a user
908 * invoked send not a sack response */
909 uint32_t sctps_datadropchklmt; /* Number of in data drops due to
910 * chunk limit reached */
911 uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd
913 uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
915 uint32_t sctps_vtagexpress; /* Used express lookup via vtag */
916 uint32_t sctps_vtagbogus; /* Collision in express lookup. */
917 uint32_t sctps_primary_randry; /* Number of times the sender ran dry
918 * of user data on primary */
919 uint32_t sctps_cmt_randry; /* Same for above */
920 uint32_t sctps_slowpath_sack; /* Sacks the slow way */
921 uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */
922 uint32_t sctps_sends_with_flags; /* number of sends with
924 uint32_t sctps_sends_with_unord; /* number of unordered sends */
925 uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */
926 uint32_t sctps_sends_with_abort; /* number of sends with ABORT
928 uint32_t sctps_protocol_drain_calls; /* number of times protocol
930 uint32_t sctps_protocol_drains_done; /* number of times we did a
932 uint32_t sctps_read_peeks; /* Number of times recv was called
934 uint32_t sctps_cached_chk; /* Number of cached chunks used */
935 uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */
936 uint32_t sctps_left_abandon; /* Number of unread messages abandoned
938 uint32_t sctps_send_burst_avoid; /* Unused */
939 uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already
940 * max burst inflight to net */
941 uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
944 uint32_t sctps_reserved[32]; /* Future ABI compat - remove int's
945 * from here when adding new */
948 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
949 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
950 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
951 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
952 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
954 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
955 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
957 /* The following macros are for handling MIB values, */
958 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
959 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
960 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
961 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
962 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
963 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
965 union sctp_sockstore {
966 #if defined(INET) || !defined(_KERNEL)
967 struct sockaddr_in sin;
969 #if defined(INET6) || !defined(_KERNEL)
970 struct sockaddr_in6 sin6;
976 /***********************************/
977 /* And something for us old timers */
978 /***********************************/
981 #include <sys/endian.h>
982 #define ntohll(x) be64toh(x)
986 #include <sys/endian.h>
987 #define htonll(x) htobe64(x)
989 /***********************************/
996 uint32_t total_sends;
997 uint32_t total_recvs;
998 uint32_t total_nospaces;
999 uint32_t fragmentation_point;
1000 uint16_t local_port;
1003 uint32_t extra_padding[32]; /* future */
1007 union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */
1009 uint32_t heartbeat_interval; /* sctpAssocEntry 7 */
1010 uint32_t state; /* sctpAssocEntry 8 */
1011 uint32_t in_streams; /* sctpAssocEntry 9 */
1012 uint32_t out_streams; /* sctpAssocEntry 10 */
1013 uint32_t max_nr_retrans;/* sctpAssocEntry 11 */
1014 uint32_t primary_process; /* sctpAssocEntry 12 */
1015 uint32_t T1_expireries; /* sctpAssocEntry 13 */
1016 uint32_t T2_expireries; /* sctpAssocEntry 14 */
1017 uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */
1018 uint32_t total_sends;
1019 uint32_t total_recvs;
1021 uint32_t remote_tag;
1022 uint32_t initial_tsn;
1023 uint32_t highest_tsn;
1024 uint32_t cumulative_tsn;
1025 uint32_t cumulative_tsn_ack;
1028 uint16_t local_port; /* sctpAssocEntry 3 */
1029 uint16_t remote_port; /* sctpAssocEntry 4 */
1030 struct sctp_timeval start_time; /* sctpAssocEntry 16 */
1031 struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */
1032 uint32_t peers_rwnd;
1033 sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */
1034 uint32_t extra_padding[32]; /* future */
1037 struct xsctp_laddr {
1038 union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */
1040 struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */
1041 uint32_t extra_padding[32]; /* future */
1044 struct xsctp_raddr {
1045 union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */
1047 uint32_t rto; /* sctpAssocLocalRemEntry 5 */
1048 uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */
1049 uint32_t rtx; /* sctpAssocLocalRemEntry 7 */
1050 uint32_t error_counter; /* */
1051 uint32_t cwnd; /* */
1052 uint32_t flight_size; /* */
1054 uint8_t active; /* sctpAssocLocalRemEntry 3 */
1055 uint8_t confirmed; /* */
1056 uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */
1057 struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */
1059 uint32_t extra_padding[32]; /* future */
1062 #define SCTP_MAX_LOGGING_SIZE 30000
1063 #define SCTP_TRACE_PARAMS 6 /* This number MUST be even */
1065 struct sctp_log_entry {
1069 uint32_t params[SCTP_TRACE_PARAMS];
1073 struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
1079 * Kernel defined for sctp_send
1081 #if defined(_KERNEL) || defined(__Userspace__)
1083 sctp_lower_sosend(struct socket *so,
1084 struct sockaddr *addr,
1087 struct mbuf *control,
1089 struct sctp_sndrcvinfo *srcv
1094 sctp_sorecvmsg(struct socket *so,
1097 struct sockaddr *from,
1100 struct sctp_sndrcvinfo *sinfo,
1108 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
1111 int sctp_peeloff __P((int, sctp_assoc_t));
1112 int sctp_bindx __P((int, struct sockaddr *, int, int));
1113 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
1114 int sctp_getaddrlen __P((sa_family_t));
1115 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
1116 void sctp_freepaddrs __P((struct sockaddr *));
1117 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
1118 void sctp_freeladdrs __P((struct sockaddr *));
1119 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
1121 ssize_t sctp_sendmsg
1122 __P((int, const void *, size_t,
1123 const struct sockaddr *,
1124 socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1126 ssize_t sctp_send __P((int sd, const void *msg, size_t len,
1127 const struct sctp_sndrcvinfo *sinfo, int flags));
1129 ssize_t sctp_sendx __P((int sd, const void *msg, size_t len,
1130 struct sockaddr *addrs, int addrcnt,
1131 struct sctp_sndrcvinfo *sinfo, int flags));
1133 ssize_t sctp_sendmsgx __P((int sd, const void *, size_t,
1134 struct sockaddr *, int,
1135 uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
1137 sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa));
1139 ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *,
1140 socklen_t *, struct sctp_sndrcvinfo *, int *));
1144 #endif /* !_KERNEL */
1145 #endif /* !__sctp_uio_h__ */