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Diffstat (limited to 'netwerk/sctp/src/usrsctp.h')
| -rw-r--r-- | netwerk/sctp/src/usrsctp.h | 1220 |
1 files changed, 1220 insertions, 0 deletions
diff --git a/netwerk/sctp/src/usrsctp.h b/netwerk/sctp/src/usrsctp.h new file mode 100644 index 000000000..afd46562d --- /dev/null +++ b/netwerk/sctp/src/usrsctp.h @@ -0,0 +1,1220 @@ +/*- + * Copyright (c) 2009-2010 Brad Penoff + * Copyright (c) 2009-2010 Humaira Kamal + * Copyright (c) 2011-2012 Irene Ruengeler + * Copyright (c) 2011-2012 Michael Tuexen + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef __USRSCTP_H__ +#define __USRSCTP_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <errno.h> +#include <sys/types.h> +#ifdef _WIN32 +#ifdef _MSC_VER +#pragma warning(disable: 4200) +#endif +#include <winsock2.h> +#include <ws2tcpip.h> +#else +#include <sys/socket.h> +#include <netinet/in.h> +#endif + +#ifndef MSG_NOTIFICATION +/* This definition MUST be in sync with usrsctplib/user_socketvar.h */ +#define MSG_NOTIFICATION 0x2000 +#endif + +#ifndef IPPROTO_SCTP +/* This is the IANA assigned protocol number of SCTP. */ +#define IPPROTO_SCTP 132 +#endif + +#ifdef _WIN32 +#if defined(_MSC_VER) && _MSC_VER >= 1600 +#include <stdint.h> +#elif defined(SCTP_STDINT_INCLUDE) +#include SCTP_STDINT_INCLUDE +#else +#define uint8_t unsigned __int8 +#define uint16_t unsigned __int16 +#define uint32_t unsigned __int32 +#define int16_t __int16 +#define int32_t __int32 +#endif + +#define ssize_t __int64 +#define MSG_EOR 0x8 +#ifndef EWOULDBLOCK +#define EWOULDBLOCK WSAEWOULDBLOCK +#endif +#ifndef EINPROGRESS +#define EINPROGRESS WSAEINPROGRESS +#endif +#define SHUT_RD 1 +#define SHUT_WR 2 +#define SHUT_RDWR 3 +#endif + +typedef uint32_t sctp_assoc_t; + +#define AF_CONN 123 +/* The definition of struct sockaddr_conn MUST be in + * tune with other sockaddr_* structures. + */ +#if defined(__APPLE__) || defined(__Bitrig__) || defined(__DragonFly__) || \ + defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) +struct sockaddr_conn { + uint8_t sconn_len; + uint8_t sconn_family; + uint16_t sconn_port; + void *sconn_addr; +}; +#else +struct sockaddr_conn { + uint16_t sconn_family; + uint16_t sconn_port; + void *sconn_addr; +}; +#endif + +union sctp_sockstore { +#if defined(INET) + struct sockaddr_in sin; +#endif +#if defined(INET6) + struct sockaddr_in6 sin6; +#endif + struct sockaddr_conn sconn; + struct sockaddr sa; +}; + +#define SCTP_FUTURE_ASSOC 0 +#define SCTP_CURRENT_ASSOC 1 +#define SCTP_ALL_ASSOC 2 + +/*** Structures and definitions to use the socket API ***/ + +#define SCTP_ALIGN_RESV_PAD 92 +#define SCTP_ALIGN_RESV_PAD_SHORT 76 + +struct sctp_rcvinfo { + uint16_t rcv_sid; + uint16_t rcv_ssn; + uint16_t rcv_flags; + uint32_t rcv_ppid; + uint32_t rcv_tsn; + uint32_t rcv_cumtsn; + uint32_t rcv_context; + sctp_assoc_t rcv_assoc_id; +}; + +struct sctp_nxtinfo { + uint16_t nxt_sid; + uint16_t nxt_flags; + uint32_t nxt_ppid; + uint32_t nxt_length; + sctp_assoc_t nxt_assoc_id; +}; + +#define SCTP_NO_NEXT_MSG 0x0000 +#define SCTP_NEXT_MSG_AVAIL 0x0001 +#define SCTP_NEXT_MSG_ISCOMPLETE 0x0002 +#define SCTP_NEXT_MSG_IS_UNORDERED 0x0004 +#define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008 + +struct sctp_recvv_rn { + struct sctp_rcvinfo recvv_rcvinfo; + struct sctp_nxtinfo recvv_nxtinfo; +}; + +#define SCTP_RECVV_NOINFO 0 +#define SCTP_RECVV_RCVINFO 1 +#define SCTP_RECVV_NXTINFO 2 +#define SCTP_RECVV_RN 3 + +#define SCTP_SENDV_NOINFO 0 +#define SCTP_SENDV_SNDINFO 1 +#define SCTP_SENDV_PRINFO 2 +#define SCTP_SENDV_AUTHINFO 3 +#define SCTP_SENDV_SPA 4 + +#define SCTP_SEND_SNDINFO_VALID 0x00000001 +#define SCTP_SEND_PRINFO_VALID 0x00000002 +#define SCTP_SEND_AUTHINFO_VALID 0x00000004 + +struct sctp_snd_all_completes { + uint16_t sall_stream; + uint16_t sall_flags; + uint32_t sall_ppid; + uint32_t sall_context; + uint32_t sall_num_sent; + uint32_t sall_num_failed; +}; + +struct sctp_sndinfo { + uint16_t snd_sid; + uint16_t snd_flags; + uint32_t snd_ppid; + uint32_t snd_context; + sctp_assoc_t snd_assoc_id; +}; + +struct sctp_prinfo { + uint16_t pr_policy; + uint32_t pr_value; +}; + +struct sctp_authinfo { + uint16_t auth_keynumber; +}; + +struct sctp_sendv_spa { + uint32_t sendv_flags; + struct sctp_sndinfo sendv_sndinfo; + struct sctp_prinfo sendv_prinfo; + struct sctp_authinfo sendv_authinfo; +}; + +struct sctp_udpencaps { + struct sockaddr_storage sue_address; + uint32_t sue_assoc_id; + uint16_t sue_port; +}; + +/******** Notifications **************/ + +/* notification types */ +#define SCTP_ASSOC_CHANGE 0x0001 +#define SCTP_PEER_ADDR_CHANGE 0x0002 +#define SCTP_REMOTE_ERROR 0x0003 +#define SCTP_SEND_FAILED 0x0004 +#define SCTP_SHUTDOWN_EVENT 0x0005 +#define SCTP_ADAPTATION_INDICATION 0x0006 +#define SCTP_PARTIAL_DELIVERY_EVENT 0x0007 +#define SCTP_AUTHENTICATION_EVENT 0x0008 +#define SCTP_STREAM_RESET_EVENT 0x0009 +#define SCTP_SENDER_DRY_EVENT 0x000a +#define SCTP_NOTIFICATIONS_STOPPED_EVENT 0x000b +#define SCTP_ASSOC_RESET_EVENT 0x000c +#define SCTP_STREAM_CHANGE_EVENT 0x000d +#define SCTP_SEND_FAILED_EVENT 0x000e + +/* notification event structures */ + + +/* association change event */ +struct sctp_assoc_change { + uint16_t sac_type; + uint16_t sac_flags; + uint32_t sac_length; + uint16_t sac_state; + uint16_t sac_error; + uint16_t sac_outbound_streams; + uint16_t sac_inbound_streams; + sctp_assoc_t sac_assoc_id; + uint8_t sac_info[]; /* not available yet */ +}; + +/* sac_state values */ +#define SCTP_COMM_UP 0x0001 +#define SCTP_COMM_LOST 0x0002 +#define SCTP_RESTART 0x0003 +#define SCTP_SHUTDOWN_COMP 0x0004 +#define SCTP_CANT_STR_ASSOC 0x0005 + +/* sac_info values */ +#define SCTP_ASSOC_SUPPORTS_PR 0x01 +#define SCTP_ASSOC_SUPPORTS_AUTH 0x02 +#define SCTP_ASSOC_SUPPORTS_ASCONF 0x03 +#define SCTP_ASSOC_SUPPORTS_MULTIBUF 0x04 +#define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05 +#define SCTP_ASSOC_SUPPORTS_MAX 0x05 + +/* Address event */ +struct sctp_paddr_change { + uint16_t spc_type; + uint16_t spc_flags; + uint32_t spc_length; + struct sockaddr_storage spc_aaddr; + uint32_t spc_state; + uint32_t spc_error; + sctp_assoc_t spc_assoc_id; + uint8_t spc_padding[4]; +}; + +/* paddr state values */ +#define SCTP_ADDR_AVAILABLE 0x0001 +#define SCTP_ADDR_UNREACHABLE 0x0002 +#define SCTP_ADDR_REMOVED 0x0003 +#define SCTP_ADDR_ADDED 0x0004 +#define SCTP_ADDR_MADE_PRIM 0x0005 +#define SCTP_ADDR_CONFIRMED 0x0006 + +/* remote error events */ +struct sctp_remote_error { + uint16_t sre_type; + uint16_t sre_flags; + uint32_t sre_length; + uint16_t sre_error; + sctp_assoc_t sre_assoc_id; + uint8_t sre_data[4]; +}; + +/* shutdown event */ +struct sctp_shutdown_event { + uint16_t sse_type; + uint16_t sse_flags; + uint32_t sse_length; + sctp_assoc_t sse_assoc_id; +}; + +/* Adaptation layer indication */ +struct sctp_adaptation_event { + uint16_t sai_type; + uint16_t sai_flags; + uint32_t sai_length; + uint32_t sai_adaptation_ind; + sctp_assoc_t sai_assoc_id; +}; + +/* Partial delivery event */ +struct sctp_pdapi_event { + uint16_t pdapi_type; + uint16_t pdapi_flags; + uint32_t pdapi_length; + uint32_t pdapi_indication; + uint32_t pdapi_stream; + uint32_t pdapi_seq; + sctp_assoc_t pdapi_assoc_id; +}; + +/* indication values */ +#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 + +/* SCTP authentication event */ +struct sctp_authkey_event { + uint16_t auth_type; + uint16_t auth_flags; + uint32_t auth_length; + uint16_t auth_keynumber; + uint32_t auth_indication; + sctp_assoc_t auth_assoc_id; +}; + +/* indication values */ +#define SCTP_AUTH_NEW_KEY 0x0001 +#define SCTP_AUTH_NO_AUTH 0x0002 +#define SCTP_AUTH_FREE_KEY 0x0003 + +/* SCTP sender dry event */ +struct sctp_sender_dry_event { + uint16_t sender_dry_type; + uint16_t sender_dry_flags; + uint32_t sender_dry_length; + sctp_assoc_t sender_dry_assoc_id; +}; + + +/* Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT */ +struct sctp_stream_reset_event { + uint16_t strreset_type; + uint16_t strreset_flags; + uint32_t strreset_length; + sctp_assoc_t strreset_assoc_id; + uint16_t strreset_stream_list[]; +}; + +/* flags in stream_reset_event (strreset_flags) */ +#define SCTP_STREAM_RESET_INCOMING_SSN 0x0001 +#define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002 +#define SCTP_STREAM_RESET_DENIED 0x0004 /* SCTP_STRRESET_FAILED */ +#define SCTP_STREAM_RESET_FAILED 0x0008 /* SCTP_STRRESET_FAILED */ +#define SCTP_STREAM_CHANGED_DENIED 0x0010 + +#define SCTP_STREAM_RESET_INCOMING 0x00000001 +#define SCTP_STREAM_RESET_OUTGOING 0x00000002 + + +/* Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT */ +struct sctp_assoc_reset_event { + uint16_t assocreset_type; + uint16_t assocreset_flags; + uint32_t assocreset_length; + sctp_assoc_t assocreset_assoc_id; + uint32_t assocreset_local_tsn; + uint32_t assocreset_remote_tsn; +}; + +#define SCTP_ASSOC_RESET_DENIED 0x0004 +#define SCTP_ASSOC_RESET_FAILED 0x0008 + + +/* Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT */ +struct sctp_stream_change_event { + uint16_t strchange_type; + uint16_t strchange_flags; + uint32_t strchange_length; + sctp_assoc_t strchange_assoc_id; + uint16_t strchange_instrms; + uint16_t strchange_outstrms; +}; + +#define SCTP_STREAM_CHANGE_DENIED 0x0004 +#define SCTP_STREAM_CHANGE_FAILED 0x0008 + + +/* SCTP send failed event */ +struct sctp_send_failed_event { + uint16_t ssfe_type; + uint16_t ssfe_flags; + uint32_t ssfe_length; + uint32_t ssfe_error; + struct sctp_sndinfo ssfe_info; + sctp_assoc_t ssfe_assoc_id; + uint8_t ssfe_data[]; +}; + +/* flag that indicates state of data */ +#define SCTP_DATA_UNSENT 0x0001 /* inqueue never on wire */ +#define SCTP_DATA_SENT 0x0002 /* on wire at failure */ + +/* SCTP event option */ +struct sctp_event { + sctp_assoc_t se_assoc_id; + uint16_t se_type; + uint8_t se_on; +}; + +union sctp_notification { + struct sctp_tlv { + uint16_t sn_type; + uint16_t sn_flags; + uint32_t sn_length; + } sn_header; + struct sctp_assoc_change sn_assoc_change; + struct sctp_paddr_change sn_paddr_change; + struct sctp_remote_error sn_remote_error; + struct sctp_shutdown_event sn_shutdown_event; + struct sctp_adaptation_event sn_adaptation_event; + struct sctp_pdapi_event sn_pdapi_event; + struct sctp_authkey_event sn_auth_event; + struct sctp_sender_dry_event sn_sender_dry_event; + struct sctp_send_failed_event sn_send_failed_event; + struct sctp_stream_reset_event sn_strreset_event; + struct sctp_assoc_reset_event sn_assocreset_event; + struct sctp_stream_change_event sn_strchange_event; +}; + +struct sctp_event_subscribe { + uint8_t sctp_data_io_event; + uint8_t sctp_association_event; + uint8_t sctp_address_event; + uint8_t sctp_send_failure_event; + uint8_t sctp_peer_error_event; + uint8_t sctp_shutdown_event; + uint8_t sctp_partial_delivery_event; + uint8_t sctp_adaptation_layer_event; + uint8_t sctp_authentication_event; + uint8_t sctp_sender_dry_event; + uint8_t sctp_stream_reset_event; +}; + + + +/* Flags that go into the sinfo->sinfo_flags field */ +#define SCTP_NOTIFICATION 0x0010 /* next message is a notification */ +#define SCTP_COMPLETE 0x0020 /* next message is complete */ +#define SCTP_EOF 0x0100 /* Start shutdown procedures */ +#define SCTP_ABORT 0x0200 /* Send an ABORT to peer */ +#define SCTP_UNORDERED 0x0400 /* Message is un-ordered */ +#define SCTP_ADDR_OVER 0x0800 /* Override the primary-address */ +#define SCTP_SENDALL 0x1000 /* Send this on all associations */ +#define SCTP_EOR 0x2000 /* end of message signal */ +#define SCTP_SACK_IMMEDIATELY 0x4000 /* Set I-Bit */ + +#define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \ + & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ + SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\ + SCTP_SACK_IMMEDIATELY)) != 0) +/* for the endpoint */ + +/* The lower byte is an enumeration of PR-SCTP policies */ +#define SCTP_PR_SCTP_NONE 0x0000 /* Reliable transfer */ +#define SCTP_PR_SCTP_TTL 0x0001 /* Time based PR-SCTP */ +#define SCTP_PR_SCTP_BUF 0x0002 /* Buffer based PR-SCTP */ +#define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ + +#define PR_SCTP_POLICY(x) ((x) & 0x0f) +#define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) +#define PR_SCTP_TTL_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL) +#define PR_SCTP_BUF_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF) +#define PR_SCTP_RTX_ENABLED(x) (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX) +#define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX) + + +/* + * user socket options: socket API defined + */ +/* + * read-write options + */ +#define SCTP_RTOINFO 0x00000001 +#define SCTP_ASSOCINFO 0x00000002 +#define SCTP_INITMSG 0x00000003 +#define SCTP_NODELAY 0x00000004 +#define SCTP_AUTOCLOSE 0x00000005 +#define SCTP_PRIMARY_ADDR 0x00000007 +#define SCTP_ADAPTATION_LAYER 0x00000008 +#define SCTP_DISABLE_FRAGMENTS 0x00000009 +#define SCTP_PEER_ADDR_PARAMS 0x0000000a +/* ancillary data/notification interest options */ +/* Without this applied we will give V4 and V6 addresses on a V6 socket */ +#define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d +#define SCTP_MAXSEG 0x0000000e +#define SCTP_DELAYED_SACK 0x0000000f +#define SCTP_FRAGMENT_INTERLEAVE 0x00000010 +#define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 +/* authentication support */ +#define SCTP_HMAC_IDENT 0x00000014 +#define SCTP_AUTH_ACTIVE_KEY 0x00000015 +#define SCTP_AUTO_ASCONF 0x00000018 +#define SCTP_MAX_BURST 0x00000019 +/* assoc level context */ +#define SCTP_CONTEXT 0x0000001a +/* explicit EOR signalling */ +#define SCTP_EXPLICIT_EOR 0x0000001b +#define SCTP_REUSE_PORT 0x0000001c + +#define SCTP_EVENT 0x0000001e +#define SCTP_RECVRCVINFO 0x0000001f +#define SCTP_RECVNXTINFO 0x00000020 +#define SCTP_DEFAULT_SNDINFO 0x00000021 +#define SCTP_DEFAULT_PRINFO 0x00000022 +#define SCTP_REMOTE_UDP_ENCAPS_PORT 0x00000024 + +#define SCTP_ENABLE_STREAM_RESET 0x00000900 /* struct sctp_assoc_value */ + +/* + * read-only options + */ +#define SCTP_STATUS 0x00000100 +#define SCTP_GET_PEER_ADDR_INFO 0x00000101 +/* authentication support */ +#define SCTP_PEER_AUTH_CHUNKS 0x00000102 +#define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 +#define SCTP_GET_ASSOC_NUMBER 0x00000104 +#define SCTP_GET_ASSOC_ID_LIST 0x00000105 + +/* + * write-only options + */ +#define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 +#define SCTP_AUTH_CHUNK 0x00000012 +#define SCTP_AUTH_KEY 0x00000013 +#define SCTP_AUTH_DEACTIVATE_KEY 0x0000001d +#define SCTP_AUTH_DELETE_KEY 0x00000016 +#define SCTP_RESET_STREAMS 0x00000901 /* struct sctp_reset_streams */ +#define SCTP_RESET_ASSOC 0x00000902 /* sctp_assoc_t */ +#define SCTP_ADD_STREAMS 0x00000903 /* struct sctp_add_streams */ + +struct sctp_initmsg { + uint16_t sinit_num_ostreams; + uint16_t sinit_max_instreams; + uint16_t sinit_max_attempts; + uint16_t sinit_max_init_timeo; +}; + +struct sctp_rtoinfo { + sctp_assoc_t srto_assoc_id; + uint32_t srto_initial; + uint32_t srto_max; + uint32_t srto_min; +}; + +struct sctp_assocparams { + sctp_assoc_t sasoc_assoc_id; + uint32_t sasoc_peer_rwnd; + uint32_t sasoc_local_rwnd; + uint32_t sasoc_cookie_life; + uint16_t sasoc_asocmaxrxt; + uint16_t sasoc_number_peer_destinations; +}; + +struct sctp_setprim { + struct sockaddr_storage ssp_addr; + sctp_assoc_t ssp_assoc_id; + uint8_t ssp_padding[4]; +}; + +struct sctp_setadaptation { + uint32_t ssb_adaptation_ind; +}; + +struct sctp_paddrparams { + struct sockaddr_storage spp_address; + sctp_assoc_t spp_assoc_id; + uint32_t spp_hbinterval; + uint32_t spp_pathmtu; + uint32_t spp_flags; + uint32_t spp_ipv6_flowlabel; + uint16_t spp_pathmaxrxt; + uint8_t spp_dscp; +}; + +#define SPP_HB_ENABLE 0x00000001 +#define SPP_HB_DISABLE 0x00000002 +#define SPP_HB_DEMAND 0x00000004 +#define SPP_PMTUD_ENABLE 0x00000008 +#define SPP_PMTUD_DISABLE 0x00000010 +#define SPP_HB_TIME_IS_ZERO 0x00000080 +#define SPP_IPV6_FLOWLABEL 0x00000100 +#define SPP_DSCP 0x00000200 + +/* Used for SCTP_MAXSEG, SCTP_MAX_BURST, SCTP_ENABLE_STREAM_RESET, and SCTP_CONTEXT */ +struct sctp_assoc_value { + sctp_assoc_t assoc_id; + uint32_t assoc_value; +}; + +/* To enable stream reset */ +#define SCTP_ENABLE_RESET_STREAM_REQ 0x00000001 +#define SCTP_ENABLE_RESET_ASSOC_REQ 0x00000002 +#define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x00000004 +#define SCTP_ENABLE_VALUE_MASK 0x00000007 + +struct sctp_reset_streams { + sctp_assoc_t srs_assoc_id; + uint16_t srs_flags; + uint16_t srs_number_streams; /* 0 == ALL */ + uint16_t srs_stream_list[]; /* list if strrst_num_streams is not 0 */ +}; + +struct sctp_add_streams { + sctp_assoc_t sas_assoc_id; + uint16_t sas_instrms; + uint16_t sas_outstrms; +}; + +struct sctp_hmacalgo { + uint32_t shmac_number_of_idents; + uint16_t shmac_idents[]; +}; + +/* AUTH hmac_id */ +#define SCTP_AUTH_HMAC_ID_RSVD 0x0000 +#define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ +#define SCTP_AUTH_HMAC_ID_SHA256 0x0003 +#define SCTP_AUTH_HMAC_ID_SHA224 0x0004 +#define SCTP_AUTH_HMAC_ID_SHA384 0x0005 +#define SCTP_AUTH_HMAC_ID_SHA512 0x0006 + + +struct sctp_sack_info { + sctp_assoc_t sack_assoc_id; + uint32_t sack_delay; + uint32_t sack_freq; +}; + +struct sctp_default_prinfo { + uint16_t pr_policy; + uint32_t pr_value; + sctp_assoc_t pr_assoc_id; +}; + +struct sctp_paddrinfo { + struct sockaddr_storage spinfo_address; + sctp_assoc_t spinfo_assoc_id; + int32_t spinfo_state; + uint32_t spinfo_cwnd; + uint32_t spinfo_srtt; + uint32_t spinfo_rto; + uint32_t spinfo_mtu; +}; + +struct sctp_status { + sctp_assoc_t sstat_assoc_id; + int32_t sstat_state; + uint32_t sstat_rwnd; + uint16_t sstat_unackdata; + uint16_t sstat_penddata; + uint16_t sstat_instrms; + uint16_t sstat_outstrms; + uint32_t sstat_fragmentation_point; + struct sctp_paddrinfo sstat_primary; +}; + +/* + * user state values + */ +#define SCTP_CLOSED 0x0000 +#define SCTP_BOUND 0x1000 +#define SCTP_LISTEN 0x2000 +#define SCTP_COOKIE_WAIT 0x0002 +#define SCTP_COOKIE_ECHOED 0x0004 +#define SCTP_ESTABLISHED 0x0008 +#define SCTP_SHUTDOWN_SENT 0x0010 +#define SCTP_SHUTDOWN_RECEIVED 0x0020 +#define SCTP_SHUTDOWN_ACK_SENT 0x0040 +#define SCTP_SHUTDOWN_PENDING 0x0080 + + +#define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ +#define SCTP_INACTIVE 0x0002 /* neither SCTP_ADDR_REACHABLE + nor SCTP_ADDR_UNCONFIRMED */ +#define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ + +struct sctp_authchunks { + sctp_assoc_t gauth_assoc_id; +/* uint32_t gauth_number_of_chunks; not available */ + uint8_t gauth_chunks[]; +}; + +struct sctp_assoc_ids { + uint32_t gaids_number_of_ids; + sctp_assoc_t gaids_assoc_id[]; +}; + +struct sctp_setpeerprim { + struct sockaddr_storage sspp_addr; + sctp_assoc_t sspp_assoc_id; + uint8_t sspp_padding[4]; +}; + +struct sctp_authchunk { + uint8_t sauth_chunk; +}; + + +struct sctp_get_nonce_values { + sctp_assoc_t gn_assoc_id; + uint32_t gn_peers_tag; + uint32_t gn_local_tag; +}; + + +/* + * Main SCTP chunk types + */ +/************0x00 series ***********/ +#define SCTP_DATA 0x00 +#define SCTP_INITIATION 0x01 +#define SCTP_INITIATION_ACK 0x02 +#define SCTP_SELECTIVE_ACK 0x03 +#define SCTP_HEARTBEAT_REQUEST 0x04 +#define SCTP_HEARTBEAT_ACK 0x05 +#define SCTP_ABORT_ASSOCIATION 0x06 +#define SCTP_SHUTDOWN 0x07 +#define SCTP_SHUTDOWN_ACK 0x08 +#define SCTP_OPERATION_ERROR 0x09 +#define SCTP_COOKIE_ECHO 0x0a +#define SCTP_COOKIE_ACK 0x0b +#define SCTP_ECN_ECHO 0x0c +#define SCTP_ECN_CWR 0x0d +#define SCTP_SHUTDOWN_COMPLETE 0x0e +/* RFC4895 */ +#define SCTP_AUTHENTICATION 0x0f +/* EY nr_sack chunk id*/ +#define SCTP_NR_SELECTIVE_ACK 0x10 +/************0x40 series ***********/ +/************0x80 series ***********/ +/* RFC5061 */ +#define SCTP_ASCONF_ACK 0x80 +/* draft-ietf-stewart-pktdrpsctp */ +#define SCTP_PACKET_DROPPED 0x81 +/* draft-ietf-stewart-strreset-xxx */ +#define SCTP_STREAM_RESET 0x82 + +/* RFC4820 */ +#define SCTP_PAD_CHUNK 0x84 +/************0xc0 series ***********/ +/* RFC3758 */ +#define SCTP_FORWARD_CUM_TSN 0xc0 +/* RFC5061 */ +#define SCTP_ASCONF 0xc1 + +struct sctp_authkey { + sctp_assoc_t sca_assoc_id; + uint16_t sca_keynumber; + uint16_t sca_keylength; + uint8_t sca_key[]; +}; + +struct sctp_authkeyid { + sctp_assoc_t scact_assoc_id; + uint16_t scact_keynumber; +}; + +struct sctp_cc_option { + int option; + struct sctp_assoc_value aid_value; +}; + +struct sctp_timeouts { + sctp_assoc_t stimo_assoc_id; + uint32_t stimo_init; + uint32_t stimo_data; + uint32_t stimo_sack; + uint32_t stimo_shutdown; + uint32_t stimo_heartbeat; + uint32_t stimo_cookie; + uint32_t stimo_shutdownack; +}; + + +/* Standard TCP Congestion Control */ +#define SCTP_CC_RFC2581 0x00000000 +/* High Speed TCP Congestion Control (Floyd) */ +#define SCTP_CC_HSTCP 0x00000001 +/* HTCP Congestion Control */ +#define SCTP_CC_HTCP 0x00000002 +/* RTCC Congestion Control - RFC2581 plus */ +#define SCTP_CC_RTCC 0x00000003 + +#define SCTP_CC_OPT_RTCC_SETMODE 0x00002000 +#define SCTP_CC_OPT_USE_DCCC_EC 0x00002001 +#define SCTP_CC_OPT_STEADY_STEP 0x00002002 + +#define SCTP_CMT_OFF 0 +#define SCTP_CMT_BASE 1 +#define SCTP_CMT_RPV1 2 +#define SCTP_CMT_RPV2 3 +#define SCTP_CMT_MPTCP 4 +#define SCTP_CMT_MAX SCTP_CMT_MPTCP + +/* RS - Supported stream scheduling modules for pluggable + * stream scheduling + */ +/* Default simple round-robin */ +#define SCTP_SS_DEFAULT 0x00000000 +/* Real round-robin */ +#define SCTP_SS_ROUND_ROBIN 0x00000001 +/* Real round-robin per packet */ +#define SCTP_SS_ROUND_ROBIN_PACKET 0x00000002 +/* Priority */ +#define SCTP_SS_PRIORITY 0x00000003 +/* Fair Bandwidth */ +#define SCTP_SS_FAIR_BANDWITH 0x00000004 +/* First-come, first-serve */ +#define SCTP_SS_FIRST_COME 0x00000005 + +/******************** System calls *************/ + +struct socket; + +void +usrsctp_init(uint16_t, + int (*)(void *addr, void *buffer, size_t length, uint8_t tos, uint8_t set_df), + void (*)(const char *format, ...)); + +struct socket * +usrsctp_socket(int domain, int type, int protocol, + int (*receive_cb)(struct socket *sock, union sctp_sockstore addr, void *data, + size_t datalen, struct sctp_rcvinfo, int flags, void *ulp_info), + int (*send_cb)(struct socket *sock, uint32_t sb_free), + uint32_t sb_threshold, + void *ulp_info); + +int +usrsctp_setsockopt(struct socket *so, + int level, + int option_name, + const void *option_value, + socklen_t option_len); + +int +usrsctp_getsockopt(struct socket *so, + int level, + int option_name, + void *option_value, + socklen_t *option_len); + +int +usrsctp_getpaddrs(struct socket *so, + sctp_assoc_t id, + struct sockaddr **raddrs); + +void +usrsctp_freepaddrs(struct sockaddr *addrs); + +int +usrsctp_getladdrs(struct socket *so, + sctp_assoc_t id, + struct sockaddr **raddrs); + +void +usrsctp_freeladdrs(struct sockaddr *addrs); + +ssize_t +usrsctp_sendv(struct socket *so, + const void *data, + size_t len, + struct sockaddr *to, + int addrcnt, + void *info, + socklen_t infolen, + unsigned int infotype, + int flags); + +ssize_t +usrsctp_recvv(struct socket *so, + void *dbuf, + size_t len, + struct sockaddr *from, + socklen_t * fromlen, + void *info, + socklen_t *infolen, + unsigned int *infotype, + int *msg_flags); + +int +usrsctp_bind(struct socket *so, + struct sockaddr *name, + socklen_t namelen); + +#define SCTP_BINDX_ADD_ADDR 0x00008001 +#define SCTP_BINDX_REM_ADDR 0x00008002 + +int +usrsctp_bindx(struct socket *so, + struct sockaddr *addrs, + int addrcnt, + int flags); + +int +usrsctp_listen(struct socket *so, + int backlog); + +struct socket * +usrsctp_accept(struct socket *so, + struct sockaddr * aname, + socklen_t * anamelen); + +struct socket * +usrsctp_peeloff(struct socket *, sctp_assoc_t); + +int +usrsctp_connect(struct socket *so, + struct sockaddr *name, + socklen_t namelen); + +int +usrsctp_connectx(struct socket *so, + const struct sockaddr *addrs, int addrcnt, + sctp_assoc_t *id); + +void +usrsctp_close(struct socket *so); + +int +usrsctp_finish(void); + +int +usrsctp_shutdown(struct socket *so, int how); + +void +usrsctp_conninput(void *, const void *, size_t, uint8_t); + +int +usrsctp_set_non_blocking(struct socket *, int); + +int +usrsctp_get_non_blocking(struct socket *); + +void +usrsctp_register_address(void *); + +void +usrsctp_deregister_address(void *); + +int +usrsctp_set_ulpinfo(struct socket *, void *); + +#define SCTP_DUMP_OUTBOUND 1 +#define SCTP_DUMP_INBOUND 0 + +char * +usrsctp_dumppacket(void *, size_t, int); + +void +usrsctp_freedumpbuffer(char *); + +#define USRSCTP_SYSCTL_DECL(__field) \ +void usrsctp_sysctl_set_ ## __field(uint32_t value);\ +uint32_t usrsctp_sysctl_get_ ## __field(void); + +USRSCTP_SYSCTL_DECL(sctp_sendspace) +USRSCTP_SYSCTL_DECL(sctp_recvspace) +USRSCTP_SYSCTL_DECL(sctp_auto_asconf) +USRSCTP_SYSCTL_DECL(sctp_multiple_asconfs) +USRSCTP_SYSCTL_DECL(sctp_ecn_enable) +USRSCTP_SYSCTL_DECL(sctp_pr_enable) +USRSCTP_SYSCTL_DECL(sctp_auth_enable) +USRSCTP_SYSCTL_DECL(sctp_asconf_enable) +USRSCTP_SYSCTL_DECL(sctp_reconfig_enable) +USRSCTP_SYSCTL_DECL(sctp_nrsack_enable) +USRSCTP_SYSCTL_DECL(sctp_pktdrop_enable) +USRSCTP_SYSCTL_DECL(sctp_strict_sacks) +#if !defined(SCTP_WITH_NO_CSUM) +USRSCTP_SYSCTL_DECL(sctp_no_csum_on_loopback) +#endif +USRSCTP_SYSCTL_DECL(sctp_peer_chunk_oh) +USRSCTP_SYSCTL_DECL(sctp_max_burst_default) +USRSCTP_SYSCTL_DECL(sctp_max_chunks_on_queue) +USRSCTP_SYSCTL_DECL(sctp_hashtblsize) +USRSCTP_SYSCTL_DECL(sctp_pcbtblsize) +USRSCTP_SYSCTL_DECL(sctp_min_split_point) +USRSCTP_SYSCTL_DECL(sctp_chunkscale) +USRSCTP_SYSCTL_DECL(sctp_delayed_sack_time_default) +USRSCTP_SYSCTL_DECL(sctp_sack_freq_default) +USRSCTP_SYSCTL_DECL(sctp_system_free_resc_limit) +USRSCTP_SYSCTL_DECL(sctp_asoc_free_resc_limit) +USRSCTP_SYSCTL_DECL(sctp_heartbeat_interval_default) +USRSCTP_SYSCTL_DECL(sctp_pmtu_raise_time_default) +USRSCTP_SYSCTL_DECL(sctp_shutdown_guard_time_default) +USRSCTP_SYSCTL_DECL(sctp_secret_lifetime_default) +USRSCTP_SYSCTL_DECL(sctp_rto_max_default) +USRSCTP_SYSCTL_DECL(sctp_rto_min_default) +USRSCTP_SYSCTL_DECL(sctp_rto_initial_default) +USRSCTP_SYSCTL_DECL(sctp_init_rto_max_default) +USRSCTP_SYSCTL_DECL(sctp_valid_cookie_life_default) +USRSCTP_SYSCTL_DECL(sctp_init_rtx_max_default) +USRSCTP_SYSCTL_DECL(sctp_assoc_rtx_max_default) +USRSCTP_SYSCTL_DECL(sctp_path_rtx_max_default) +USRSCTP_SYSCTL_DECL(sctp_add_more_threshold) +USRSCTP_SYSCTL_DECL(sctp_nr_incoming_streams_default) +USRSCTP_SYSCTL_DECL(sctp_nr_outgoing_streams_default) +USRSCTP_SYSCTL_DECL(sctp_cmt_on_off) +USRSCTP_SYSCTL_DECL(sctp_cmt_use_dac) +USRSCTP_SYSCTL_DECL(sctp_use_cwnd_based_maxburst) +USRSCTP_SYSCTL_DECL(sctp_nat_friendly) +USRSCTP_SYSCTL_DECL(sctp_L2_abc_variable) +USRSCTP_SYSCTL_DECL(sctp_mbuf_threshold_count) +USRSCTP_SYSCTL_DECL(sctp_do_drain) +USRSCTP_SYSCTL_DECL(sctp_hb_maxburst) +USRSCTP_SYSCTL_DECL(sctp_abort_if_one_2_one_hits_limit) +USRSCTP_SYSCTL_DECL(sctp_strict_data_order) +USRSCTP_SYSCTL_DECL(sctp_min_residual) +USRSCTP_SYSCTL_DECL(sctp_max_retran_chunk) +USRSCTP_SYSCTL_DECL(sctp_logging_level) +USRSCTP_SYSCTL_DECL(sctp_default_cc_module) +USRSCTP_SYSCTL_DECL(sctp_default_frag_interleave) +USRSCTP_SYSCTL_DECL(sctp_mobility_base) +USRSCTP_SYSCTL_DECL(sctp_mobility_fasthandoff) +USRSCTP_SYSCTL_DECL(sctp_inits_include_nat_friendly) +USRSCTP_SYSCTL_DECL(sctp_udp_tunneling_port) +USRSCTP_SYSCTL_DECL(sctp_enable_sack_immediately) +USRSCTP_SYSCTL_DECL(sctp_vtag_time_wait) +USRSCTP_SYSCTL_DECL(sctp_blackhole) +USRSCTP_SYSCTL_DECL(sctp_diag_info_code) +USRSCTP_SYSCTL_DECL(sctp_fr_max_burst_default) +USRSCTP_SYSCTL_DECL(sctp_path_pf_threshold) +USRSCTP_SYSCTL_DECL(sctp_default_ss_module) +USRSCTP_SYSCTL_DECL(sctp_rttvar_bw) +USRSCTP_SYSCTL_DECL(sctp_rttvar_rtt) +USRSCTP_SYSCTL_DECL(sctp_rttvar_eqret) +USRSCTP_SYSCTL_DECL(sctp_steady_step) +USRSCTP_SYSCTL_DECL(sctp_use_dccc_ecn) +USRSCTP_SYSCTL_DECL(sctp_buffer_splitting) +USRSCTP_SYSCTL_DECL(sctp_initial_cwnd) +#ifdef SCTP_DEBUG +USRSCTP_SYSCTL_DECL(sctp_debug_on) +/* More specific values can be found in sctp_constants, but + * are not considered to be part of the API. + */ +#define SCTP_DEBUG_NONE 0x00000000 +#define SCTP_DEBUG_ALL 0xffffffff +#endif +#undef USRSCTP_SYSCTL_DECL +struct sctp_timeval { + uint32_t tv_sec; + uint32_t tv_usec; +}; + +struct sctpstat { + struct sctp_timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ + /* MIB according to RFC 3873 */ + uint32_t sctps_currestab; /* sctpStats 1 (Gauge32) */ + uint32_t sctps_activeestab; /* sctpStats 2 (Counter32) */ + uint32_t sctps_restartestab; + uint32_t sctps_collisionestab; + uint32_t sctps_passiveestab; /* sctpStats 3 (Counter32) */ + uint32_t sctps_aborted; /* sctpStats 4 (Counter32) */ + uint32_t sctps_shutdown; /* sctpStats 5 (Counter32) */ + uint32_t sctps_outoftheblue; /* sctpStats 6 (Counter32) */ + uint32_t sctps_checksumerrors; /* sctpStats 7 (Counter32) */ + uint32_t sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ + uint32_t sctps_outorderchunks; /* sctpStats 9 (Counter64) */ + uint32_t sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ + uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ + uint32_t sctps_inorderchunks; /* sctpStats 12 (Counter64) */ + uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ + uint32_t sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ + uint32_t sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ + uint32_t sctps_outpackets; /* sctpStats 16 (Counter64) */ + uint32_t sctps_inpackets; /* sctpStats 17 (Counter64) */ + + /* input statistics: */ + uint32_t sctps_recvpackets; /* total input packets */ + uint32_t sctps_recvdatagrams; /* total input datagrams */ + uint32_t sctps_recvpktwithdata; /* total packets that had data */ + uint32_t sctps_recvsacks; /* total input SACK chunks */ + uint32_t sctps_recvdata; /* total input DATA chunks */ + uint32_t sctps_recvdupdata; /* total input duplicate DATA chunks */ + uint32_t sctps_recvheartbeat; /* total input HB chunks */ + uint32_t sctps_recvheartbeatack; /* total input HB-ACK chunks */ + uint32_t sctps_recvecne; /* total input ECNE chunks */ + uint32_t sctps_recvauth; /* total input AUTH chunks */ + uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */ + uint32_t sctps_recvivalhmacid; /* total number of invalid HMAC ids received */ + uint32_t sctps_recvivalkeyid; /* total number of invalid secret ids received */ + uint32_t sctps_recvauthfailed; /* total number of auth failed */ + uint32_t sctps_recvexpress; /* total fast path receives all one chunk */ + uint32_t sctps_recvexpressm; /* total fast path multi-part data */ + uint32_t sctps_recvnocrc; + uint32_t sctps_recvswcrc; + uint32_t sctps_recvhwcrc; + + /* output statistics: */ + uint32_t sctps_sendpackets; /* total output packets */ + uint32_t sctps_sendsacks; /* total output SACKs */ + uint32_t sctps_senddata; /* total output DATA chunks */ + uint32_t sctps_sendretransdata; /* total output retransmitted DATA chunks */ + uint32_t sctps_sendfastretrans; /* total output fast retransmitted DATA chunks */ + uint32_t sctps_sendmultfastretrans; /* total FR's that happened more than once + * to same chunk (u-del multi-fr algo). + */ + uint32_t sctps_sendheartbeat; /* total output HB chunks */ + uint32_t sctps_sendecne; /* total output ECNE chunks */ + uint32_t sctps_sendauth; /* total output AUTH chunks FIXME */ + uint32_t sctps_senderrors; /* ip_output error counter */ + uint32_t sctps_sendnocrc; + uint32_t sctps_sendswcrc; + uint32_t sctps_sendhwcrc; + /* PCKDROPREP statistics: */ + uint32_t sctps_pdrpfmbox; /* Packet drop from middle box */ + uint32_t sctps_pdrpfehos; /* P-drop from end host */ + uint32_t sctps_pdrpmbda; /* P-drops with data */ + uint32_t sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ + uint32_t sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ + uint32_t sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ + uint32_t sctps_pdrpnedat; /* P-drop, not enough data to confirm */ + uint32_t sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ + uint32_t sctps_pdrptsnnf; /* P-drop, could not find TSN */ + uint32_t sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ + uint32_t sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ + uint32_t sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ + uint32_t sctps_pdrpbadd; /* P-drop, data did not match TSN */ + uint32_t sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ + /* timeouts */ + uint32_t sctps_timoiterator; /* Number of iterator timers that fired */ + uint32_t sctps_timodata; /* Number of T3 data time outs */ + uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers that fired */ + uint32_t sctps_timoinit; /* Number of INIT timers that fired */ + uint32_t sctps_timosack; /* Number of sack timers that fired */ + uint32_t sctps_timoshutdown; /* Number of shutdown timers that fired */ + uint32_t sctps_timoheartbeat; /* Number of heartbeat timers that fired */ + uint32_t sctps_timocookie; /* Number of times a cookie timeout fired */ + uint32_t sctps_timosecret; /* Number of times an endpoint changed its cookie secret*/ + uint32_t sctps_timopathmtu; /* Number of PMTU timers that fired */ + uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that fired */ + uint32_t sctps_timoshutdownguard; /* Number of shutdown guard timers that fired */ + uint32_t sctps_timostrmrst; /* Number of stream reset timers that fired */ + uint32_t sctps_timoearlyfr; /* Number of early FR timers that fired */ + uint32_t sctps_timoasconf; /* Number of times an asconf timer fired */ + uint32_t sctps_timodelprim; /* Number of times a prim_deleted timer fired */ + uint32_t sctps_timoautoclose; /* Number of times auto close timer fired */ + uint32_t sctps_timoassockill; /* Number of asoc free timers expired */ + uint32_t sctps_timoinpkill; /* Number of inp free timers expired */ + /* former early FR counters */ + uint32_t sctps_spare[11]; + /* others */ + uint32_t sctps_hdrops; /* packet shorter than header */ + uint32_t sctps_badsum; /* checksum error */ + uint32_t sctps_noport; /* no endpoint for port */ + uint32_t sctps_badvtag; /* bad v-tag */ + uint32_t sctps_badsid; /* bad SID */ + uint32_t sctps_nomem; /* no memory */ + uint32_t sctps_fastretransinrtt; /* number of multiple FR in a RTT window */ + uint32_t sctps_markedretrans; + uint32_t sctps_naglesent; /* nagle allowed sending */ + uint32_t sctps_naglequeued; /* nagle doesn't allow sending */ + uint32_t sctps_maxburstqueued; /* max burst doesn't allow sending */ + uint32_t sctps_ifnomemqueued; /* look ahead tells us no memory in + * interface ring buffer OR we had a + * send error and are queuing one send. + */ + uint32_t sctps_windowprobed; /* total number of window probes sent */ + uint32_t sctps_lowlevelerr; /* total times an output error causes us + * to clamp down on next user send. + */ + uint32_t sctps_lowlevelerrusr; /* total times sctp_senderrors were caused from + * a user send from a user invoked send not + * a sack response + */ + uint32_t sctps_datadropchklmt; /* Number of in data drops due to chunk limit reached */ + uint32_t sctps_datadroprwnd; /* Number of in data drops due to rwnd limit reached */ + uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the cwnd */ + uint32_t sctps_vtagexpress; /* Used express lookup via vtag */ + uint32_t sctps_vtagbogus; /* Collision in express lookup. */ + uint32_t sctps_primary_randry; /* Number of times the sender ran dry of user data on primary */ + uint32_t sctps_cmt_randry; /* Same for above */ + uint32_t sctps_slowpath_sack; /* Sacks the slow way */ + uint32_t sctps_wu_sacks_sent; /* Window Update only sacks sent */ + uint32_t sctps_sends_with_flags; /* number of sends with sinfo_flags !=0 */ + uint32_t sctps_sends_with_unord; /* number of unordered sends */ + uint32_t sctps_sends_with_eof; /* number of sends with EOF flag set */ + uint32_t sctps_sends_with_abort; /* number of sends with ABORT flag set */ + uint32_t sctps_protocol_drain_calls;/* number of times protocol drain called */ + uint32_t sctps_protocol_drains_done;/* number of times we did a protocol drain */ + uint32_t sctps_read_peeks; /* Number of times recv was called with peek */ + uint32_t sctps_cached_chk; /* Number of cached chunks used */ + uint32_t sctps_cached_strmoq; /* Number of cached stream oq's used */ + uint32_t sctps_left_abandon; /* Number of unread messages abandoned by close */ + uint32_t sctps_send_burst_avoid; /* Unused */ + uint32_t sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already max burst inflight to net */ + uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via fwd-tsn's */ + uint32_t sctps_queue_upd_ecne; /* Number of times we queued or updated an ECN chunk on send queue */ + uint32_t sctps_reserved[31]; /* Future ABI compat - remove int's from here when adding new */ +}; + +void +usrsctp_get_stat(struct sctpstat *); + +#ifdef _WIN32 +#ifdef _MSC_VER +#pragma warning(default: 4200) +#endif +#endif +#ifdef __cplusplus +} +#endif +#endif |