1 /******************************************************************************
2 ###############################################################################
3 # Copyright (c) [2017-2020] [ICT/CAS] #
4 # Licensed under the ORAN Software License v1.0 (License) #
5 ###############################################################################
6 ******************************************************************************/
10 #ifndef __VOS_SCTP_H__
11 #define __VOS_SCTP_H__
14 #include <linux/types.h>
15 #include <sys/socket.h>
21 typedef __s32 sctp_assoc_t;
23 /* Socket option layer for SCTP */
29 #define IPPROTO_SCTP 132
32 /* 9. Preprocessor constants */
34 #define HAVE_KERNEL_SCTP
35 #define HAVE_SCTP_MULTIBUF
36 #define HAVE_SCTP_NOCONNECT
37 #define HAVE_SCTP_PRSCTP
38 #define HAVE_SCTP_ADDIP
39 #define HAVE_SCTP_CANSET_PRIMARY
41 /* The following symbols come from the Sockets API Extensions for
42 * SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>.
44 #define SCTP_RTOINFO 0
45 #define SCTP_ASSOCINFO 1
46 #define SCTP_INITMSG 2
47 #define SCTP_NODELAY 3 /* Get/set nodelay option. */
48 #define SCTP_AUTOCLOSE 4
49 #define SCTP_SET_PEER_PRIMARY_ADDR 5
50 #define SCTP_PRIMARY_ADDR 6
51 #define SCTP_ADAPTATION_LAYER 7
52 #define SCTP_DISABLE_FRAGMENTS 8
53 #define SCTP_PEER_ADDR_PARAMS 9
54 #define SCTP_DEFAULT_SEND_PARAM 10
55 #define SCTP_EVENTS 11
56 #define SCTP_I_WANT_MAPPED_V4_ADDR 12 /* Turn on/off mapped v4 addresses */
57 #define SCTP_MAXSEG 13 /* Get/set maximum fragment. */
58 #define SCTP_STATUS 14
59 #define SCTP_GET_PEER_ADDR_INFO 15
60 #define SCTP_DELAYED_ACK_TIME 16
61 #define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
62 #define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME
63 #define SCTP_CONTEXT 17
64 #define SCTP_FRAGMENT_INTERLEAVE 18
65 #define SCTP_PARTIAL_DELIVERY_POINT 19 /* Set/Get partial delivery point */
66 #define SCTP_MAX_BURST 20 /* Set/Get max burst */
67 #define SCTP_AUTH_CHUNK 21 /* Set only: add a chunk type to authenticate */
68 #define SCTP_HMAC_IDENT 22
69 #define SCTP_AUTH_KEY 23
70 #define SCTP_AUTH_ACTIVE_KEY 24
71 #define SCTP_AUTH_DELETE_KEY 25
72 #define SCTP_PEER_AUTH_CHUNKS 26 /* Read only */
73 #define SCTP_LOCAL_AUTH_CHUNKS 27 /* Read only */
74 #define SCTP_GET_ASSOC_NUMBER 28 /* Read only */
76 /* Internal Socket Options. Some of the sctp library functions are
77 * implemented using these socket options.
79 #define SCTP_SOCKOPT_BINDX_ADD 100 /* BINDX requests for adding addrs */
80 #define SCTP_SOCKOPT_BINDX_REM 101 /* BINDX requests for removing addrs. */
81 #define SCTP_SOCKOPT_PEELOFF 102 /* peel off association. */
82 /* Options 104-106 are deprecated and removed. Do not use this space */
83 #define SCTP_SOCKOPT_CONNECTX_OLD 107 /* CONNECTX old requests. */
84 #define SCTP_GET_PEER_ADDRS 108 /* Get all peer addresss. */
85 #define SCTP_GET_LOCAL_ADDRS 109 /* Get all local addresss. */
86 #define SCTP_SOCKOPT_CONNECTX 110 /* CONNECTX requests. */
87 #define SCTP_SOCKOPT_CONNECTX3 111 /* CONNECTX requests (updated) */
89 /* SCTP socket option used to read per endpoint association statistics. */
90 #define SCTP_GET_ASSOC_STATS 112 /* Read only */
93 * 5.2.1 SCTP Initiation Structure (SCTP_INIT)
95 * This cmsghdr structure provides information for initializing new
96 * SCTP associations with sendmsg(). The SCTP_INITMSG socket option
97 * uses this same data structure. This structure is not used for
100 * cmsg_level cmsg_type cmsg_data[]
101 * ------------ ------------ ----------------------
102 * IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
105 struct sctp_initmsg {
106 __u16 sinit_num_ostreams;
107 __u16 sinit_max_instreams;
108 __u16 sinit_max_attempts;
109 __u16 sinit_max_init_timeo;
113 * 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV)
115 * This cmsghdr structure specifies SCTP options for sendmsg() and
116 * describes SCTP header information about a received message through
119 * cmsg_level cmsg_type cmsg_data[]
120 * ------------ ------------ ----------------------
121 * IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
124 struct sctp_sndrcvinfo {
130 __u32 sinfo_timetolive;
133 sctp_assoc_t sinfo_assoc_id;
137 * sinfo_flags: 16 bits (unsigned integer)
139 * This field may contain any of the following flags and is composed of
140 * a bitwise OR of these values.
143 enum sctp_sinfo_flags {
144 SCTP_UNORDERED = 1, /* Send/receive message unordered. */
145 SCTP_ADDR_OVER = 2, /* Override the primary destination. */
146 SCTP_ABORT=4, /* Send an ABORT message to the peer. */
147 SCTP_SACK_IMMEDIATELY = 8, /* SACK should be sent without delay */
148 SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
154 struct sctp_initmsg init;
155 struct sctp_sndrcvinfo sndrcv;
158 /* These are cmsg_types. */
159 typedef enum sctp_cmsg_type {
160 SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */
161 #define SCTP_INIT SCTP_INIT
162 SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */
163 #define SCTP_SNDRCV SCTP_SNDRCV
168 * 5.3.1.1 SCTP_ASSOC_CHANGE
170 * Communication notifications inform the ULP that an SCTP association
171 * has either begun or ended. The identifier for a new association is
172 * provided by this notificaion. The notification information has the
176 struct sctp_assoc_change {
182 __u16 sac_outbound_streams;
183 __u16 sac_inbound_streams;
184 sctp_assoc_t sac_assoc_id;
189 * sac_state: 32 bits (signed integer)
191 * This field holds one of a number of values that communicate the
192 * event that happened to the association. They include:
194 * Note: The following state names deviate from the API draft as
195 * the names clash too easily with other kernel symbols.
197 enum sctp_sac_state {
206 * 5.3.1.2 SCTP_PEER_ADDR_CHANGE
208 * When a destination address on a multi-homed peer encounters a change
209 * an interface details event is sent. The information has the
210 * following structure:
212 struct sctp_paddr_change {
216 struct sockaddr_storage spc_aaddr;
219 sctp_assoc_t spc_assoc_id;
220 } __attribute__((packed, aligned(4)));
223 * spc_state: 32 bits (signed integer)
225 * This field holds one of a number of values that communicate the
226 * event that happened to the address. They include:
228 enum sctp_spc_state {
230 SCTP_ADDR_UNREACHABLE,
239 * 5.3.1.3 SCTP_REMOTE_ERROR
241 * A remote peer may send an Operational Error message to its peer.
242 * This message indicates a variety of error conditions on an
243 * association. The entire error TLV as it appears on the wire is
244 * included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP
245 * specification [SCTP] and any extensions for a list of possible
246 * error formats. SCTP error TLVs have the format:
248 struct sctp_remote_error {
253 sctp_assoc_t sre_assoc_id;
259 * 5.3.1.4 SCTP_SEND_FAILED
261 * If SCTP cannot deliver a message it may return the message as a
264 struct sctp_send_failed {
269 struct sctp_sndrcvinfo ssf_info;
270 sctp_assoc_t ssf_assoc_id;
275 * ssf_flags: 16 bits (unsigned integer)
277 * The flag value will take one of the following values
279 * SCTP_DATA_UNSENT - Indicates that the data was never put on
282 * SCTP_DATA_SENT - Indicates that the data was put on the wire.
283 * Note that this does not necessarily mean that the
284 * data was (or was not) successfully delivered.
286 enum sctp_ssf_flags {
292 * 5.3.1.5 SCTP_SHUTDOWN_EVENT
294 * When a peer sends a SHUTDOWN, SCTP delivers this notification to
295 * inform the application that it should cease sending data.
297 struct sctp_shutdown_event {
301 sctp_assoc_t sse_assoc_id;
305 * 5.3.1.6 SCTP_ADAPTATION_INDICATION
307 * When a peer sends a Adaptation Layer Indication parameter , SCTP
308 * delivers this notification to inform the application
309 * that of the peers requested adaptation layer.
311 struct sctp_adaptation_event {
315 __u32 sai_adaptation_ind;
316 sctp_assoc_t sai_assoc_id;
320 * 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT
322 * When a receiver is engaged in a partial delivery of a
323 * message this notification will be used to indicate
326 struct sctp_pdapi_event {
330 __u32 pdapi_indication;
331 sctp_assoc_t pdapi_assoc_id;
334 enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
337 * 5.3.1.8. SCTP_AUTHENTICATION_EVENT
339 * When a receiver is using authentication this message will provide
340 * notifications regarding new keys being made active as well as errors.
343 struct sctp_authkey_event {
347 __u16 auth_keynumber;
348 __u16 auth_altkeynumber;
349 __u32 auth_indication;
350 sctp_assoc_t auth_assoc_id;
353 enum { SCTP_AUTH_NEWKEY = 0, };
355 struct sctp_sender_dry_event {
356 __u16 sender_dry_type;
357 __u16 sender_dry_flags;
358 __u32 sender_dry_length;
359 sctp_assoc_t sender_dry_assoc_id;
363 * Described in Section 7.3
364 * Ancillary Data and Notification Interest Options
366 struct sctp_event_subscribe {
367 __u8 sctp_data_io_event;
368 __u8 sctp_association_event;
369 __u8 sctp_address_event;
370 __u8 sctp_send_failure_event;
371 __u8 sctp_peer_error_event;
372 __u8 sctp_shutdown_event;
373 __u8 sctp_partial_delivery_event;
374 __u8 sctp_adaptation_layer_event;
375 __u8 sctp_authentication_event;
376 __u8 sctp_sender_dry_event;
380 * 5.3.1 SCTP Notification Structure
382 * The notification structure is defined as the union of all
383 * notification types.
386 union sctp_notification {
388 __u16 sn_type; /* Notification type. */
392 struct sctp_assoc_change sn_assoc_change;
393 struct sctp_paddr_change sn_paddr_change;
394 struct sctp_remote_error sn_remote_error;
395 struct sctp_send_failed sn_send_failed;
396 struct sctp_shutdown_event sn_shutdown_event;
397 struct sctp_adaptation_event sn_adaptation_event;
398 struct sctp_pdapi_event sn_pdapi_event;
399 struct sctp_authkey_event sn_authkey_event;
400 struct sctp_sender_dry_event sn_sender_dry_event;
404 * All standard values for sn_type flags are greater than 2^15.
405 * Values from 2^15 and down are reserved.
409 SCTP_SN_TYPE_BASE = (1<<15),
411 #define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE
412 SCTP_PEER_ADDR_CHANGE,
413 #define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE
415 #define SCTP_SEND_FAILED SCTP_SEND_FAILED
417 #define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR
419 #define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT
420 SCTP_PARTIAL_DELIVERY_EVENT,
421 #define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT
422 SCTP_ADAPTATION_INDICATION,
423 #define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION
424 SCTP_AUTHENTICATION_INDICATION,
425 #define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_INDICATION
426 SCTP_SENDER_DRY_EVENT,
427 #define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
430 /* Notification error codes used to fill up the error fields in some
432 * SCTP_PEER_ADDRESS_CHAGE : spc_error
433 * SCTP_ASSOC_CHANGE : sac_error
434 * These names should be potentially included in the draft 04 of the SCTP
435 * sockets API specification.
437 typedef enum sctp_sn_error {
438 SCTP_FAILED_THRESHOLD,
440 SCTP_HEARTBEAT_SUCCESS,
441 SCTP_RESPONSE_TO_USER_REQ,
443 SCTP_SHUTDOWN_GUARD_EXPIRES,
448 * 7.1.1 Retransmission Timeout Parameters (SCTP_RTOINFO)
450 * The protocol parameters used to initialize and bound retransmission
451 * timeout (RTO) are tunable. See [SCTP] for more information on how
452 * these parameters are used in RTO calculation.
454 struct sctp_rtoinfo {
455 sctp_assoc_t srto_assoc_id;
462 * 7.1.2 Association Parameters (SCTP_ASSOCINFO)
464 * This option is used to both examine and set various association and
465 * endpoint parameters.
467 struct sctp_assocparams {
468 sctp_assoc_t sasoc_assoc_id;
469 __u16 sasoc_asocmaxrxt;
470 __u16 sasoc_number_peer_destinations;
471 __u32 sasoc_peer_rwnd;
472 __u32 sasoc_local_rwnd;
473 __u32 sasoc_cookie_life;
477 * 7.1.9 Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR)
479 * Requests that the peer mark the enclosed address as the association
480 * primary. The enclosed address must be one of the association's
481 * locally bound addresses. The following structure is used to make a
482 * set primary request:
484 struct sctp_setpeerprim {
485 sctp_assoc_t sspp_assoc_id;
486 struct sockaddr_storage sspp_addr;
487 } __attribute__((packed, aligned(4)));
490 * 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
492 * Requests that the local SCTP stack use the enclosed peer address as
493 * the association primary. The enclosed address must be one of the
494 * association peer's addresses. The following structure is used to
495 * make a set peer primary request:
497 struct sctp_setprim {
498 sctp_assoc_t ssp_assoc_id;
499 struct sockaddr_storage ssp_addr;
500 } __attribute__((packed, aligned(4)));
502 /* For backward compatibility use, define the old name too */
503 #define sctp_prim sctp_setprim
506 * 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER)
508 * Requests that the local endpoint set the specified Adaptation Layer
509 * Indication parameter for all future INIT and INIT-ACK exchanges.
511 struct sctp_setadaptation {
512 __u32 ssb_adaptation_ind;
516 * 7.1.13 Peer Address Parameters (SCTP_PEER_ADDR_PARAMS)
518 * Applications can enable or disable heartbeats for any peer address
519 * of an association, modify an address's heartbeat interval, force a
520 * heartbeat to be sent immediately, and adjust the address's maximum
521 * number of retransmissions sent before an address is considered
522 * unreachable. The following structure is used to access and modify an
523 * address's parameters:
525 enum sctp_spp_flags {
526 SPP_HB_ENABLE = 1<<0, /*Enable heartbeats*/
527 SPP_HB_DISABLE = 1<<1, /*Disable heartbeats*/
528 SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
529 SPP_HB_DEMAND = 1<<2, /*Send heartbeat immediately*/
530 SPP_PMTUD_ENABLE = 1<<3, /*Enable PMTU discovery*/
531 SPP_PMTUD_DISABLE = 1<<4, /*Disable PMTU discovery*/
532 SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
533 SPP_SACKDELAY_ENABLE = 1<<5, /*Enable SACK*/
534 SPP_SACKDELAY_DISABLE = 1<<6, /*Disable SACK*/
535 SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
536 SPP_HB_TIME_IS_ZERO = 1<<7, /* Set HB delay to 0 */
539 struct sctp_paddrparams {
540 sctp_assoc_t spp_assoc_id;
541 struct sockaddr_storage spp_address;
542 __u32 spp_hbinterval;
543 __u16 spp_pathmaxrxt;
547 } __attribute__((packed, aligned(4)));
550 * 7.1.18. Add a chunk that must be authenticated (SCTP_AUTH_CHUNK)
552 * This set option adds a chunk type that the user is requesting to be
553 * received only in an authenticated way. Changes to the list of chunks
554 * will only effect future associations on the socket.
556 struct sctp_authchunk {
561 * 7.1.19. Get or set the list of supported HMAC Identifiers (SCTP_HMAC_IDENT)
563 * This option gets or sets the list of HMAC algorithms that the local
564 * endpoint requires the peer to use.
568 SCTP_AUTH_HMAC_ID_SHA1 = 1,
569 SCTP_AUTH_HMAC_ID_SHA256 = 3,
572 struct sctp_hmacalgo {
573 __u32 shmac_number_of_idents;
574 __u16 shmac_idents[];
578 * 7.1.20. Set a shared key (SCTP_AUTH_KEY)
580 * This option will set a shared secret key which is used to build an
581 * association shared key.
583 struct sctp_authkey {
584 sctp_assoc_t sca_assoc_id;
591 * 7.1.21. Get or set the active shared key (SCTP_AUTH_ACTIVE_KEY)
593 * This option will get or set the active shared key to be used to build
594 * the association shared key.
597 struct sctp_authkeyid {
598 sctp_assoc_t scact_assoc_id;
599 __u16 scact_keynumber;
604 * 7.1.23. Get or set delayed ack timer (SCTP_DELAYED_SACK)
606 * This option will effect the way delayed acks are performed. This
607 * option allows you to get or set the delayed ack time, in
608 * milliseconds. It also allows changing the delayed ack frequency.
609 * Changing the frequency to 1 disables the delayed sack algorithm. If
610 * the assoc_id is 0, then this sets or gets the endpoints default
611 * values. If the assoc_id field is non-zero, then the set or get
612 * effects the specified association for the one to many model (the
613 * assoc_id field is ignored by the one to one model). Note that if
614 * sack_delay or sack_freq are 0 when setting this option, then the
615 * current values will remain unchanged.
617 struct sctp_sack_info {
618 sctp_assoc_t sack_assoc_id;
623 struct sctp_assoc_value {
624 sctp_assoc_t assoc_id;
625 uint32_t assoc_value;
629 * 7.2.2 Peer Address Information
631 * Applications can retrieve information about a specific peer address
632 * of an association, including its reachability state, congestion
633 * window, and retransmission timer values. This information is
634 * read-only. The following structure is used to access this
637 struct sctp_paddrinfo {
638 sctp_assoc_t spinfo_assoc_id;
639 struct sockaddr_storage spinfo_address;
645 } __attribute__((packed, aligned(4)));
647 /* Peer addresses's state. */
648 /* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x]
650 * UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters.
651 * Not yet confirmed by a heartbeat and not available for data
653 * ACTIVE : Peer address confirmed, active and available for data transfers.
654 * INACTIVE: Peer address inactive and not available for data transfers.
656 enum sctp_spinfo_state {
661 SCTP_UNKNOWN = 0xffff
665 * 7.2.1 Association Status (SCTP_STATUS)
667 * Applications can retrieve current status information about an
668 * association, including association state, peer receiver window size,
669 * number of unacked data chunks, and number of data chunks pending
670 * receipt. This information is read-only. The following structure is
671 * used to access this information:
674 sctp_assoc_t sstat_assoc_id;
677 __u16 sstat_unackdata;
678 __u16 sstat_penddata;
680 __u16 sstat_outstrms;
681 __u32 sstat_fragmentation_point;
682 struct sctp_paddrinfo sstat_primary;
686 * 7.2.3. Get the list of chunks the peer requires to be authenticated
687 * (SCTP_PEER_AUTH_CHUNKS)
689 * This option gets a list of chunks for a specified association that
690 * the peer requires to be received authenticated only.
692 struct sctp_authchunks {
693 sctp_assoc_t gauth_assoc_id;
694 __u32 gauth_number_of_chunks;
695 uint8_t gauth_chunks[];
697 /* The broken spelling has been released already,
698 * so don't break anyone, now that it's fixed.
700 #define guth_number_of_chunks gauth_number_of_chunks
702 /* Association states. */
703 enum sctp_sstat_state {
706 SCTP_COOKIE_WAIT = 2,
707 SCTP_COOKIE_ECHOED = 3,
708 SCTP_ESTABLISHED = 4,
709 SCTP_SHUTDOWN_PENDING = 5,
710 SCTP_SHUTDOWN_SENT = 6,
711 SCTP_SHUTDOWN_RECEIVED = 7,
712 SCTP_SHUTDOWN_ACK_SENT = 8,
716 * 8.3, 8.5 get all peer/local addresses in an association.
717 * This parameter struct is used by SCTP_GET_PEER_ADDRS and
718 * SCTP_GET_LOCAL_ADDRS socket options used internally to implement
719 * sctp_getpaddrs() and sctp_getladdrs() API.
721 struct sctp_getaddrs_old {
722 sctp_assoc_t assoc_id;
724 struct sockaddr *addrs;
726 struct sctp_getaddrs {
727 sctp_assoc_t assoc_id; /*input*/
728 __u32 addr_num; /*output*/
729 __u8 addrs[0]; /*output, variable size*/
732 /* A socket user request obtained via SCTP_GET_ASSOC_STATS that retrieves
733 * association stats. All stats are counts except sas_maxrto and
734 * sas_obs_rto_ipaddr. maxrto is the max observed rto + transport since
735 * the last call. Will return 0 when did not change since last call
737 struct sctp_assoc_stats {
738 sctp_assoc_t sas_assoc_id; /* Input */
739 /* Transport of the observed max RTO spike */
740 struct sockaddr_storage sas_obs_rto_ipaddr;
741 __u64 sas_maxrto; /* Maximum Observed RTO for period */
742 __u64 sas_isacks; /* SACKs received */
743 __u64 sas_osacks; /* SACKs sent */
744 __u64 sas_opackets; /* Packets sent */
745 __u64 sas_ipackets; /* Packets received */
746 __u64 sas_rtxchunks; /* Retransmitted Chunks */
747 __u64 sas_outofseqtsns;/* TSN received > next expected */
748 __u64 sas_idupchunks; /* Dups received (ordered+unordered) */
749 __u64 sas_gapcnt; /* Gap Acknowledgements Received */
750 __u64 sas_ouodchunks; /* Unordered data chunks sent */
751 __u64 sas_iuodchunks; /* Unordered data chunks received */
752 __u64 sas_oodchunks; /* Ordered data chunks sent */
753 __u64 sas_iodchunks; /* Ordered data chunks received */
754 __u64 sas_octrlchunks; /* Control chunks sent */
755 __u64 sas_ictrlchunks; /* Control chunks received */
758 /* These are bit fields for msghdr->msg_flags. See section 5.1. */
759 /* On user space Linux, these live in <bits/socket.h> as an enum. */
760 enum sctp_msg_flags {
761 MSG_NOTIFICATION = 0x8000,
762 #define MSG_NOTIFICATION MSG_NOTIFICATION
768 * The flags parameter is formed from the bitwise OR of zero or more of the
769 * following currently defined flags:
771 #define SCTP_BINDX_ADD_ADDR 0x01
772 #define SCTP_BINDX_REM_ADDR 0x02
774 /* This is the structure that is passed as an argument(optval) to
775 * getsockopt(SCTP_SOCKOPT_PEELOFF).
778 sctp_assoc_t associd;
780 } sctp_peeloff_arg_t;
793 #endif /* __VOS_SCTP_H__ */