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54#ifndef _UAPI_SCTP_H
55#define _UAPI_SCTP_H
56
57#include <linux/types.h>
58#include <linux/socket.h>
59
60typedef __s32 sctp_assoc_t;
61
62#define SCTP_FUTURE_ASSOC 0
63#define SCTP_CURRENT_ASSOC 1
64#define SCTP_ALL_ASSOC 2
65
66
67
68
69#define SCTP_RTOINFO 0
70#define SCTP_ASSOCINFO 1
71#define SCTP_INITMSG 2
72#define SCTP_NODELAY 3
73#define SCTP_AUTOCLOSE 4
74#define SCTP_SET_PEER_PRIMARY_ADDR 5
75#define SCTP_PRIMARY_ADDR 6
76#define SCTP_ADAPTATION_LAYER 7
77#define SCTP_DISABLE_FRAGMENTS 8
78#define SCTP_PEER_ADDR_PARAMS 9
79#define SCTP_DEFAULT_SEND_PARAM 10
80#define SCTP_EVENTS 11
81#define SCTP_I_WANT_MAPPED_V4_ADDR 12
82#define SCTP_MAXSEG 13
83#define SCTP_STATUS 14
84#define SCTP_GET_PEER_ADDR_INFO 15
85#define SCTP_DELAYED_ACK_TIME 16
86#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
87#define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME
88#define SCTP_CONTEXT 17
89#define SCTP_FRAGMENT_INTERLEAVE 18
90#define SCTP_PARTIAL_DELIVERY_POINT 19
91#define SCTP_MAX_BURST 20
92#define SCTP_AUTH_CHUNK 21
93#define SCTP_HMAC_IDENT 22
94#define SCTP_AUTH_KEY 23
95#define SCTP_AUTH_ACTIVE_KEY 24
96#define SCTP_AUTH_DELETE_KEY 25
97#define SCTP_PEER_AUTH_CHUNKS 26
98#define SCTP_LOCAL_AUTH_CHUNKS 27
99#define SCTP_GET_ASSOC_NUMBER 28
100#define SCTP_GET_ASSOC_ID_LIST 29
101#define SCTP_AUTO_ASCONF 30
102#define SCTP_PEER_ADDR_THLDS 31
103#define SCTP_RECVRCVINFO 32
104#define SCTP_RECVNXTINFO 33
105#define SCTP_DEFAULT_SNDINFO 34
106#define SCTP_AUTH_DEACTIVATE_KEY 35
107#define SCTP_REUSE_PORT 36
108#define SCTP_PEER_ADDR_THLDS_V2 37
109
110
111
112
113#define SCTP_SOCKOPT_BINDX_ADD 100
114#define SCTP_SOCKOPT_BINDX_REM 101
115#define SCTP_SOCKOPT_PEELOFF 102
116
117#define SCTP_SOCKOPT_CONNECTX_OLD 107
118#define SCTP_GET_PEER_ADDRS 108
119#define SCTP_GET_LOCAL_ADDRS 109
120#define SCTP_SOCKOPT_CONNECTX 110
121#define SCTP_SOCKOPT_CONNECTX3 111
122#define SCTP_GET_ASSOC_STATS 112
123#define SCTP_PR_SUPPORTED 113
124#define SCTP_DEFAULT_PRINFO 114
125#define SCTP_PR_ASSOC_STATUS 115
126#define SCTP_PR_STREAM_STATUS 116
127#define SCTP_RECONFIG_SUPPORTED 117
128#define SCTP_ENABLE_STREAM_RESET 118
129#define SCTP_RESET_STREAMS 119
130#define SCTP_RESET_ASSOC 120
131#define SCTP_ADD_STREAMS 121
132#define SCTP_SOCKOPT_PEELOFF_FLAGS 122
133#define SCTP_STREAM_SCHEDULER 123
134#define SCTP_STREAM_SCHEDULER_VALUE 124
135#define SCTP_INTERLEAVING_SUPPORTED 125
136#define SCTP_SENDMSG_CONNECT 126
137#define SCTP_EVENT 127
138#define SCTP_ASCONF_SUPPORTED 128
139#define SCTP_AUTH_SUPPORTED 129
140#define SCTP_ECN_SUPPORTED 130
141#define SCTP_EXPOSE_POTENTIALLY_FAILED_STATE 131
142#define SCTP_EXPOSE_PF_STATE SCTP_EXPOSE_POTENTIALLY_FAILED_STATE
143
144
145#define SCTP_PR_SCTP_NONE 0x0000
146#define SCTP_PR_SCTP_TTL 0x0010
147#define SCTP_PR_SCTP_RTX 0x0020
148#define SCTP_PR_SCTP_PRIO 0x0030
149#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_PRIO
150#define SCTP_PR_SCTP_MASK 0x0030
151
152#define __SCTP_PR_INDEX(x) ((x >> 4) - 1)
153#define SCTP_PR_INDEX(x) __SCTP_PR_INDEX(SCTP_PR_SCTP_ ## x)
154
155#define SCTP_PR_POLICY(x) ((x) & SCTP_PR_SCTP_MASK)
156#define SCTP_PR_SET_POLICY(flags, x) \
157 do { \
158 flags &= ~SCTP_PR_SCTP_MASK; \
159 flags |= x; \
160 } while (0)
161
162#define SCTP_PR_TTL_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL)
163#define SCTP_PR_RTX_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX)
164#define SCTP_PR_PRIO_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO)
165
166
167#define SCTP_ENABLE_RESET_STREAM_REQ 0x01
168#define SCTP_ENABLE_RESET_ASSOC_REQ 0x02
169#define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x04
170#define SCTP_ENABLE_STRRESET_MASK 0x07
171
172#define SCTP_STREAM_RESET_INCOMING 0x01
173#define SCTP_STREAM_RESET_OUTGOING 0x02
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176
177enum sctp_msg_flags {
178 MSG_NOTIFICATION = 0x8000,
179#define MSG_NOTIFICATION MSG_NOTIFICATION
180};
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192
193struct sctp_initmsg {
194 __u16 sinit_num_ostreams;
195 __u16 sinit_max_instreams;
196 __u16 sinit_max_attempts;
197 __u16 sinit_max_init_timeo;
198};
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210struct sctp_sndrcvinfo {
211 __u16 sinfo_stream;
212 __u16 sinfo_ssn;
213 __u16 sinfo_flags;
214 __u32 sinfo_ppid;
215 __u32 sinfo_context;
216 __u32 sinfo_timetolive;
217 __u32 sinfo_tsn;
218 __u32 sinfo_cumtsn;
219 sctp_assoc_t sinfo_assoc_id;
220};
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230struct sctp_sndinfo {
231 __u16 snd_sid;
232 __u16 snd_flags;
233 __u32 snd_ppid;
234 __u32 snd_context;
235 sctp_assoc_t snd_assoc_id;
236};
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247struct sctp_rcvinfo {
248 __u16 rcv_sid;
249 __u16 rcv_ssn;
250 __u16 rcv_flags;
251 __u32 rcv_ppid;
252 __u32 rcv_tsn;
253 __u32 rcv_cumtsn;
254 __u32 rcv_context;
255 sctp_assoc_t rcv_assoc_id;
256};
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269struct sctp_nxtinfo {
270 __u16 nxt_sid;
271 __u16 nxt_flags;
272 __u32 nxt_ppid;
273 __u32 nxt_length;
274 sctp_assoc_t nxt_assoc_id;
275};
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285struct sctp_prinfo {
286 __u16 pr_policy;
287 __u32 pr_value;
288};
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298struct sctp_authinfo {
299 __u16 auth_keynumber;
300};
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307
308enum sctp_sinfo_flags {
309 SCTP_UNORDERED = (1 << 0),
310 SCTP_ADDR_OVER = (1 << 1),
311 SCTP_ABORT = (1 << 2),
312 SCTP_SACK_IMMEDIATELY = (1 << 3),
313
314 SCTP_SENDALL = (1 << 6),
315 SCTP_PR_SCTP_ALL = (1 << 7),
316 SCTP_NOTIFICATION = MSG_NOTIFICATION,
317 SCTP_EOF = MSG_FIN,
318};
319
320typedef union {
321 __u8 raw;
322 struct sctp_initmsg init;
323 struct sctp_sndrcvinfo sndrcv;
324} sctp_cmsg_data_t;
325
326
327typedef enum sctp_cmsg_type {
328 SCTP_INIT,
329#define SCTP_INIT SCTP_INIT
330 SCTP_SNDRCV,
331#define SCTP_SNDRCV SCTP_SNDRCV
332 SCTP_SNDINFO,
333#define SCTP_SNDINFO SCTP_SNDINFO
334 SCTP_RCVINFO,
335#define SCTP_RCVINFO SCTP_RCVINFO
336 SCTP_NXTINFO,
337#define SCTP_NXTINFO SCTP_NXTINFO
338 SCTP_PRINFO,
339#define SCTP_PRINFO SCTP_PRINFO
340 SCTP_AUTHINFO,
341#define SCTP_AUTHINFO SCTP_AUTHINFO
342 SCTP_DSTADDRV4,
343#define SCTP_DSTADDRV4 SCTP_DSTADDRV4
344 SCTP_DSTADDRV6,
345#define SCTP_DSTADDRV6 SCTP_DSTADDRV6
346} sctp_cmsg_t;
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356
357struct sctp_assoc_change {
358 __u16 sac_type;
359 __u16 sac_flags;
360 __u32 sac_length;
361 __u16 sac_state;
362 __u16 sac_error;
363 __u16 sac_outbound_streams;
364 __u16 sac_inbound_streams;
365 sctp_assoc_t sac_assoc_id;
366 __u8 sac_info[0];
367};
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377
378enum sctp_sac_state {
379 SCTP_COMM_UP,
380 SCTP_COMM_LOST,
381 SCTP_RESTART,
382 SCTP_SHUTDOWN_COMP,
383 SCTP_CANT_STR_ASSOC,
384};
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393struct sctp_paddr_change {
394 __u16 spc_type;
395 __u16 spc_flags;
396 __u32 spc_length;
397 struct sockaddr_storage spc_aaddr;
398 int spc_state;
399 int spc_error;
400 sctp_assoc_t spc_assoc_id;
401} __attribute__((packed, aligned(4)));
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409enum sctp_spc_state {
410 SCTP_ADDR_AVAILABLE,
411 SCTP_ADDR_UNREACHABLE,
412 SCTP_ADDR_REMOVED,
413 SCTP_ADDR_ADDED,
414 SCTP_ADDR_MADE_PRIM,
415 SCTP_ADDR_CONFIRMED,
416 SCTP_ADDR_POTENTIALLY_FAILED,
417#define SCTP_ADDR_PF SCTP_ADDR_POTENTIALLY_FAILED
418};
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431struct sctp_remote_error {
432 __u16 sre_type;
433 __u16 sre_flags;
434 __u32 sre_length;
435 __be16 sre_error;
436 sctp_assoc_t sre_assoc_id;
437 __u8 sre_data[0];
438};
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447struct sctp_send_failed {
448 __u16 ssf_type;
449 __u16 ssf_flags;
450 __u32 ssf_length;
451 __u32 ssf_error;
452 struct sctp_sndrcvinfo ssf_info;
453 sctp_assoc_t ssf_assoc_id;
454 __u8 ssf_data[0];
455};
456
457struct sctp_send_failed_event {
458 __u16 ssf_type;
459 __u16 ssf_flags;
460 __u32 ssf_length;
461 __u32 ssf_error;
462 struct sctp_sndinfo ssfe_info;
463 sctp_assoc_t ssf_assoc_id;
464 __u8 ssf_data[0];
465};
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479enum sctp_ssf_flags {
480 SCTP_DATA_UNSENT,
481 SCTP_DATA_SENT,
482};
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490struct sctp_shutdown_event {
491 __u16 sse_type;
492 __u16 sse_flags;
493 __u32 sse_length;
494 sctp_assoc_t sse_assoc_id;
495};
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504struct sctp_adaptation_event {
505 __u16 sai_type;
506 __u16 sai_flags;
507 __u32 sai_length;
508 __u32 sai_adaptation_ind;
509 sctp_assoc_t sai_assoc_id;
510};
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519struct sctp_pdapi_event {
520 __u16 pdapi_type;
521 __u16 pdapi_flags;
522 __u32 pdapi_length;
523 __u32 pdapi_indication;
524 sctp_assoc_t pdapi_assoc_id;
525 __u32 pdapi_stream;
526 __u32 pdapi_seq;
527};
528
529enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
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537struct sctp_authkey_event {
538 __u16 auth_type;
539 __u16 auth_flags;
540 __u32 auth_length;
541 __u16 auth_keynumber;
542 __u16 auth_altkeynumber;
543 __u32 auth_indication;
544 sctp_assoc_t auth_assoc_id;
545};
546
547enum {
548 SCTP_AUTH_NEW_KEY,
549#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY
550 SCTP_AUTH_FREE_KEY,
551 SCTP_AUTH_NO_AUTH,
552};
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562struct sctp_sender_dry_event {
563 __u16 sender_dry_type;
564 __u16 sender_dry_flags;
565 __u32 sender_dry_length;
566 sctp_assoc_t sender_dry_assoc_id;
567};
568
569#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
570#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
571#define SCTP_STREAM_RESET_DENIED 0x0004
572#define SCTP_STREAM_RESET_FAILED 0x0008
573struct sctp_stream_reset_event {
574 __u16 strreset_type;
575 __u16 strreset_flags;
576 __u32 strreset_length;
577 sctp_assoc_t strreset_assoc_id;
578 __u16 strreset_stream_list[];
579};
580
581#define SCTP_ASSOC_RESET_DENIED 0x0004
582#define SCTP_ASSOC_RESET_FAILED 0x0008
583struct sctp_assoc_reset_event {
584 __u16 assocreset_type;
585 __u16 assocreset_flags;
586 __u32 assocreset_length;
587 sctp_assoc_t assocreset_assoc_id;
588 __u32 assocreset_local_tsn;
589 __u32 assocreset_remote_tsn;
590};
591
592#define SCTP_ASSOC_CHANGE_DENIED 0x0004
593#define SCTP_ASSOC_CHANGE_FAILED 0x0008
594#define SCTP_STREAM_CHANGE_DENIED SCTP_ASSOC_CHANGE_DENIED
595#define SCTP_STREAM_CHANGE_FAILED SCTP_ASSOC_CHANGE_FAILED
596struct sctp_stream_change_event {
597 __u16 strchange_type;
598 __u16 strchange_flags;
599 __u32 strchange_length;
600 sctp_assoc_t strchange_assoc_id;
601 __u16 strchange_instrms;
602 __u16 strchange_outstrms;
603};
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609struct sctp_event_subscribe {
610 __u8 sctp_data_io_event;
611 __u8 sctp_association_event;
612 __u8 sctp_address_event;
613 __u8 sctp_send_failure_event;
614 __u8 sctp_peer_error_event;
615 __u8 sctp_shutdown_event;
616 __u8 sctp_partial_delivery_event;
617 __u8 sctp_adaptation_layer_event;
618 __u8 sctp_authentication_event;
619 __u8 sctp_sender_dry_event;
620 __u8 sctp_stream_reset_event;
621 __u8 sctp_assoc_reset_event;
622 __u8 sctp_stream_change_event;
623 __u8 sctp_send_failure_event_event;
624};
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633union sctp_notification {
634 struct {
635 __u16 sn_type;
636 __u16 sn_flags;
637 __u32 sn_length;
638 } sn_header;
639 struct sctp_assoc_change sn_assoc_change;
640 struct sctp_paddr_change sn_paddr_change;
641 struct sctp_remote_error sn_remote_error;
642 struct sctp_send_failed sn_send_failed;
643 struct sctp_shutdown_event sn_shutdown_event;
644 struct sctp_adaptation_event sn_adaptation_event;
645 struct sctp_pdapi_event sn_pdapi_event;
646 struct sctp_authkey_event sn_authkey_event;
647 struct sctp_sender_dry_event sn_sender_dry_event;
648 struct sctp_stream_reset_event sn_strreset_event;
649 struct sctp_assoc_reset_event sn_assocreset_event;
650 struct sctp_stream_change_event sn_strchange_event;
651 struct sctp_send_failed_event sn_send_failed_event;
652};
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658
659enum sctp_sn_type {
660 SCTP_SN_TYPE_BASE = (1<<15),
661 SCTP_DATA_IO_EVENT = SCTP_SN_TYPE_BASE,
662#define SCTP_DATA_IO_EVENT SCTP_DATA_IO_EVENT
663 SCTP_ASSOC_CHANGE,
664#define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE
665 SCTP_PEER_ADDR_CHANGE,
666#define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE
667 SCTP_SEND_FAILED,
668#define SCTP_SEND_FAILED SCTP_SEND_FAILED
669 SCTP_REMOTE_ERROR,
670#define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR
671 SCTP_SHUTDOWN_EVENT,
672#define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT
673 SCTP_PARTIAL_DELIVERY_EVENT,
674#define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT
675 SCTP_ADAPTATION_INDICATION,
676#define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION
677 SCTP_AUTHENTICATION_EVENT,
678#define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT
679 SCTP_SENDER_DRY_EVENT,
680#define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
681 SCTP_STREAM_RESET_EVENT,
682#define SCTP_STREAM_RESET_EVENT SCTP_STREAM_RESET_EVENT
683 SCTP_ASSOC_RESET_EVENT,
684#define SCTP_ASSOC_RESET_EVENT SCTP_ASSOC_RESET_EVENT
685 SCTP_STREAM_CHANGE_EVENT,
686#define SCTP_STREAM_CHANGE_EVENT SCTP_STREAM_CHANGE_EVENT
687 SCTP_SEND_FAILED_EVENT,
688#define SCTP_SEND_FAILED_EVENT SCTP_SEND_FAILED_EVENT
689 SCTP_SN_TYPE_MAX = SCTP_SEND_FAILED_EVENT,
690#define SCTP_SN_TYPE_MAX SCTP_SN_TYPE_MAX
691};
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699
700typedef enum sctp_sn_error {
701 SCTP_FAILED_THRESHOLD,
702 SCTP_RECEIVED_SACK,
703 SCTP_HEARTBEAT_SUCCESS,
704 SCTP_RESPONSE_TO_USER_REQ,
705 SCTP_INTERNAL_ERROR,
706 SCTP_SHUTDOWN_GUARD_EXPIRES,
707 SCTP_PEER_FAULTY,
708} sctp_sn_error_t;
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717struct sctp_rtoinfo {
718 sctp_assoc_t srto_assoc_id;
719 __u32 srto_initial;
720 __u32 srto_max;
721 __u32 srto_min;
722};
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729
730struct sctp_assocparams {
731 sctp_assoc_t sasoc_assoc_id;
732 __u16 sasoc_asocmaxrxt;
733 __u16 sasoc_number_peer_destinations;
734 __u32 sasoc_peer_rwnd;
735 __u32 sasoc_local_rwnd;
736 __u32 sasoc_cookie_life;
737};
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747struct sctp_setpeerprim {
748 sctp_assoc_t sspp_assoc_id;
749 struct sockaddr_storage sspp_addr;
750} __attribute__((packed, aligned(4)));
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760struct sctp_prim {
761 sctp_assoc_t ssp_assoc_id;
762 struct sockaddr_storage ssp_addr;
763} __attribute__((packed, aligned(4)));
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765
766#define sctp_setprim sctp_prim
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774struct sctp_setadaptation {
775 __u32 ssb_adaptation_ind;
776};
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787
788enum sctp_spp_flags {
789 SPP_HB_ENABLE = 1<<0,
790 SPP_HB_DISABLE = 1<<1,
791 SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
792 SPP_HB_DEMAND = 1<<2,
793 SPP_PMTUD_ENABLE = 1<<3,
794 SPP_PMTUD_DISABLE = 1<<4,
795 SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
796 SPP_SACKDELAY_ENABLE = 1<<5,
797 SPP_SACKDELAY_DISABLE = 1<<6,
798 SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
799 SPP_HB_TIME_IS_ZERO = 1<<7,
800 SPP_IPV6_FLOWLABEL = 1<<8,
801 SPP_DSCP = 1<<9,
802};
803
804struct sctp_paddrparams {
805 sctp_assoc_t spp_assoc_id;
806 struct sockaddr_storage spp_address;
807 __u32 spp_hbinterval;
808 __u16 spp_pathmaxrxt;
809 __u32 spp_pathmtu;
810 __u32 spp_sackdelay;
811 __u32 spp_flags;
812 __u32 spp_ipv6_flowlabel;
813 __u8 spp_dscp;
814} __attribute__((packed, aligned(4)));
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823struct sctp_authchunk {
824 __u8 sauth_chunk;
825};
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832
833#ifndef __KERNEL__
834
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836
837enum {
838 SCTP_AUTH_HMAC_ID_SHA1 = 1,
839 SCTP_AUTH_HMAC_ID_SHA256 = 3,
840};
841#endif
842
843struct sctp_hmacalgo {
844 __u32 shmac_num_idents;
845 __u16 shmac_idents[];
846};
847
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849
850
851#define shmac_number_of_idents shmac_num_idents
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859struct sctp_authkey {
860 sctp_assoc_t sca_assoc_id;
861 __u16 sca_keynumber;
862 __u16 sca_keylength;
863 __u8 sca_key[];
864};
865
866
867
868
869
870
871
872
873struct sctp_authkeyid {
874 sctp_assoc_t scact_assoc_id;
875 __u16 scact_keynumber;
876};
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893struct sctp_sack_info {
894 sctp_assoc_t sack_assoc_id;
895 uint32_t sack_delay;
896 uint32_t sack_freq;
897};
898
899struct sctp_assoc_value {
900 sctp_assoc_t assoc_id;
901 uint32_t assoc_value;
902};
903
904struct sctp_stream_value {
905 sctp_assoc_t assoc_id;
906 uint16_t stream_id;
907 uint16_t stream_value;
908};
909
910
911
912
913
914
915
916
917
918
919struct sctp_paddrinfo {
920 sctp_assoc_t spinfo_assoc_id;
921 struct sockaddr_storage spinfo_address;
922 __s32 spinfo_state;
923 __u32 spinfo_cwnd;
924 __u32 spinfo_srtt;
925 __u32 spinfo_rto;
926 __u32 spinfo_mtu;
927} __attribute__((packed, aligned(4)));
928
929
930
931
932
933
934
935
936
937
938enum sctp_spinfo_state {
939 SCTP_INACTIVE,
940 SCTP_PF,
941#define SCTP_POTENTIALLY_FAILED SCTP_PF
942 SCTP_ACTIVE,
943 SCTP_UNCONFIRMED,
944 SCTP_UNKNOWN = 0xffff
945};
946
947
948
949
950
951
952
953
954
955
956struct sctp_status {
957 sctp_assoc_t sstat_assoc_id;
958 __s32 sstat_state;
959 __u32 sstat_rwnd;
960 __u16 sstat_unackdata;
961 __u16 sstat_penddata;
962 __u16 sstat_instrms;
963 __u16 sstat_outstrms;
964 __u32 sstat_fragmentation_point;
965 struct sctp_paddrinfo sstat_primary;
966};
967
968
969
970
971
972
973
974
975struct sctp_authchunks {
976 sctp_assoc_t gauth_assoc_id;
977 __u32 gauth_number_of_chunks;
978 uint8_t gauth_chunks[];
979};
980
981
982
983
984#define guth_number_of_chunks gauth_number_of_chunks
985
986
987enum sctp_sstat_state {
988 SCTP_EMPTY = 0,
989 SCTP_CLOSED = 1,
990 SCTP_COOKIE_WAIT = 2,
991 SCTP_COOKIE_ECHOED = 3,
992 SCTP_ESTABLISHED = 4,
993 SCTP_SHUTDOWN_PENDING = 5,
994 SCTP_SHUTDOWN_SENT = 6,
995 SCTP_SHUTDOWN_RECEIVED = 7,
996 SCTP_SHUTDOWN_ACK_SENT = 8,
997};
998
999
1000
1001
1002
1003
1004
1005
1006struct sctp_assoc_ids {
1007 __u32 gaids_number_of_ids;
1008 sctp_assoc_t gaids_assoc_id[];
1009};
1010
1011
1012
1013
1014
1015
1016
1017struct sctp_getaddrs_old {
1018 sctp_assoc_t assoc_id;
1019 int addr_num;
1020#ifdef __KERNEL__
1021 struct sockaddr __user *addrs;
1022#else
1023 struct sockaddr *addrs;
1024#endif
1025};
1026
1027struct sctp_getaddrs {
1028 sctp_assoc_t assoc_id;
1029 __u32 addr_num;
1030 __u8 addrs[0];
1031};
1032
1033
1034
1035
1036
1037
1038struct sctp_assoc_stats {
1039 sctp_assoc_t sas_assoc_id;
1040
1041 struct sockaddr_storage sas_obs_rto_ipaddr;
1042 __u64 sas_maxrto;
1043 __u64 sas_isacks;
1044 __u64 sas_osacks;
1045 __u64 sas_opackets;
1046 __u64 sas_ipackets;
1047 __u64 sas_rtxchunks;
1048 __u64 sas_outofseqtsns;
1049 __u64 sas_idupchunks;
1050 __u64 sas_gapcnt;
1051 __u64 sas_ouodchunks;
1052 __u64 sas_iuodchunks;
1053 __u64 sas_oodchunks;
1054 __u64 sas_iodchunks;
1055 __u64 sas_octrlchunks;
1056 __u64 sas_ictrlchunks;
1057};
1058
1059
1060
1061
1062
1063
1064
1065#define SCTP_BINDX_ADD_ADDR 0x01
1066#define SCTP_BINDX_REM_ADDR 0x02
1067
1068
1069
1070
1071typedef struct {
1072 sctp_assoc_t associd;
1073 int sd;
1074} sctp_peeloff_arg_t;
1075
1076typedef struct {
1077 sctp_peeloff_arg_t p_arg;
1078 unsigned flags;
1079} sctp_peeloff_flags_arg_t;
1080
1081
1082
1083
1084struct sctp_paddrthlds {
1085 sctp_assoc_t spt_assoc_id;
1086 struct sockaddr_storage spt_address;
1087 __u16 spt_pathmaxrxt;
1088 __u16 spt_pathpfthld;
1089};
1090
1091
1092struct sctp_paddrthlds_v2 {
1093 sctp_assoc_t spt_assoc_id;
1094 struct sockaddr_storage spt_address;
1095 __u16 spt_pathmaxrxt;
1096 __u16 spt_pathpfthld;
1097 __u16 spt_pathcpthld;
1098};
1099
1100
1101
1102
1103struct sctp_prstatus {
1104 sctp_assoc_t sprstat_assoc_id;
1105 __u16 sprstat_sid;
1106 __u16 sprstat_policy;
1107 __u64 sprstat_abandoned_unsent;
1108 __u64 sprstat_abandoned_sent;
1109};
1110
1111struct sctp_default_prinfo {
1112 sctp_assoc_t pr_assoc_id;
1113 __u32 pr_value;
1114 __u16 pr_policy;
1115};
1116
1117struct sctp_info {
1118 __u32 sctpi_tag;
1119 __u32 sctpi_state;
1120 __u32 sctpi_rwnd;
1121 __u16 sctpi_unackdata;
1122 __u16 sctpi_penddata;
1123 __u16 sctpi_instrms;
1124 __u16 sctpi_outstrms;
1125 __u32 sctpi_fragmentation_point;
1126 __u32 sctpi_inqueue;
1127 __u32 sctpi_outqueue;
1128 __u32 sctpi_overall_error;
1129 __u32 sctpi_max_burst;
1130 __u32 sctpi_maxseg;
1131 __u32 sctpi_peer_rwnd;
1132 __u32 sctpi_peer_tag;
1133 __u8 sctpi_peer_capable;
1134 __u8 sctpi_peer_sack;
1135 __u16 __reserved1;
1136
1137
1138 __u64 sctpi_isacks;
1139 __u64 sctpi_osacks;
1140 __u64 sctpi_opackets;
1141 __u64 sctpi_ipackets;
1142 __u64 sctpi_rtxchunks;
1143 __u64 sctpi_outofseqtsns;
1144 __u64 sctpi_idupchunks;
1145 __u64 sctpi_gapcnt;
1146 __u64 sctpi_ouodchunks;
1147 __u64 sctpi_iuodchunks;
1148 __u64 sctpi_oodchunks;
1149 __u64 sctpi_iodchunks;
1150 __u64 sctpi_octrlchunks;
1151 __u64 sctpi_ictrlchunks;
1152
1153
1154 struct sockaddr_storage sctpi_p_address;
1155 __s32 sctpi_p_state;
1156 __u32 sctpi_p_cwnd;
1157 __u32 sctpi_p_srtt;
1158 __u32 sctpi_p_rto;
1159 __u32 sctpi_p_hbinterval;
1160 __u32 sctpi_p_pathmaxrxt;
1161 __u32 sctpi_p_sackdelay;
1162 __u32 sctpi_p_sackfreq;
1163 __u32 sctpi_p_ssthresh;
1164 __u32 sctpi_p_partial_bytes_acked;
1165 __u32 sctpi_p_flight_size;
1166 __u16 sctpi_p_error;
1167 __u16 __reserved2;
1168
1169
1170 __u32 sctpi_s_autoclose;
1171 __u32 sctpi_s_adaptation_ind;
1172 __u32 sctpi_s_pd_point;
1173 __u8 sctpi_s_nodelay;
1174 __u8 sctpi_s_disable_fragments;
1175 __u8 sctpi_s_v4mapped;
1176 __u8 sctpi_s_frag_interleave;
1177 __u32 sctpi_s_type;
1178 __u32 __reserved3;
1179};
1180
1181struct sctp_reset_streams {
1182 sctp_assoc_t srs_assoc_id;
1183 uint16_t srs_flags;
1184 uint16_t srs_number_streams;
1185 uint16_t srs_stream_list[];
1186};
1187
1188struct sctp_add_streams {
1189 sctp_assoc_t sas_assoc_id;
1190 uint16_t sas_instrms;
1191 uint16_t sas_outstrms;
1192};
1193
1194struct sctp_event {
1195 sctp_assoc_t se_assoc_id;
1196 uint16_t se_type;
1197 uint8_t se_on;
1198};
1199
1200
1201enum sctp_sched_type {
1202 SCTP_SS_FCFS,
1203 SCTP_SS_DEFAULT = SCTP_SS_FCFS,
1204 SCTP_SS_PRIO,
1205 SCTP_SS_RR,
1206 SCTP_SS_MAX = SCTP_SS_RR
1207};
1208
1209#endif
1210