Squashed 'third_party/rawrtc/usrsctp/' content from commit bd1a92db3
Change-Id: If227cd6edd3243ac26044056b7427ae5bca71ef8
git-subtree-dir: third_party/rawrtc/usrsctp
git-subtree-split: bd1a92db338ba1e57453637959a127032bb566ff
diff --git a/usrsctplib/usrsctp.h b/usrsctplib/usrsctp.h
new file mode 100644
index 0000000..d37dd61
--- /dev/null
+++ b/usrsctplib/usrsctp.h
@@ -0,0 +1,1321 @@
+/*-
+ * 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 uint64_t unsigned __int64
+#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;
+
+#if defined(_WIN32) && defined(_MSC_VER)
+#pragma pack (push, 1)
+#define SCTP_PACKED
+#else
+#define SCTP_PACKED __attribute__((packed))
+#endif
+
+struct sctp_common_header {
+ uint16_t source_port;
+ uint16_t destination_port;
+ uint32_t verification_tag;
+ uint32_t crc32c;
+} SCTP_PACKED;
+
+#if defined(_WIN32) && defined(_MSC_VER)
+#pragma pack()
+#endif
+#undef SCTP_PACKED
+
+#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
+
+#define SCTP_EVENT_READ 0x0001
+#define SCTP_EVENT_WRITE 0x0002
+#define SCTP_EVENT_ERROR 0x0004
+
+/*** 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 */
+
+/* Pluggable Stream Scheduling Socket option */
+#define SCTP_PLUGGABLE_SS 0x00001203
+#define SCTP_SS_VALUE 0x00001204
+
+/* ancillary data types */
+#define SCTP_INIT 0x0001
+#define SCTP_SNDRCV 0x0002
+#define SCTP_EXTRCV 0x0003
+#define SCTP_SNDINFO 0x0004
+#define SCTP_RCVINFO 0x0005
+#define SCTP_NXTINFO 0x0006
+#define SCTP_PRINFO 0x0007
+#define SCTP_AUTHINFO 0x0008
+#define SCTP_DSTADDRV4 0x0009
+#define SCTP_DSTADDRV6 0x000a
+
+/*
+ * 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
+#define SCTP_TIMEOUTS 0x00000106
+#define SCTP_PR_STREAM_STATUS 0x00000107
+#define SCTP_PR_ASSOC_STATUS 0x00000108
+
+/*
+ * 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_stream_value {
+ sctp_assoc_t assoc_id;
+ uint16_t stream_id;
+ uint16_t stream_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;
+};
+
+struct sctp_prstatus {
+ sctp_assoc_t sprstat_assoc_id;
+ uint16_t sprstat_sid;
+ uint16_t sprstat_policy;
+ uint64_t sprstat_abandoned_unsent;
+ uint64_t sprstat_abandoned_sent;
+};
+
+/* 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);
+
+sctp_assoc_t
+usrsctp_getassocid(struct socket *, struct sockaddr *);
+
+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 *);
+
+int
+usrsctp_set_upcall(struct socket *so,
+ void (*upcall)(struct socket *, void *, int),
+ void *arg);
+
+int
+usrsctp_get_events(struct socket *so);
+
+void
+usrsctp_handle_timers(int);
+
+int
+usrsctp_open_sctp4_socket(void);
+
+int
+usrsctp_open_udpsctp4_socket(void);
+
+int
+usrsctp_open_sctp6_socket(void);
+
+int
+usrsctp_open_udpsctp6_socket(void);
+
+void
+usrsctp_recv_function_sctp4(void);
+
+void
+usrsctp_recv_function_udpsctp4(void);
+
+void
+usrsctp_recv_function_sctp6(void);
+
+void
+usrsctp_recv_function_udpsctp6(void);
+
+#define SCTP_DUMP_OUTBOUND 1
+#define SCTP_DUMP_INBOUND 0
+
+char *
+usrsctp_dumppacket(const void *, size_t, int);
+
+void
+usrsctp_freedumpbuffer(char *);
+
+void
+usrsctp_enable_crc32c_offload(void);
+
+void
+usrsctp_disable_crc32c_offload(void);
+
+uint32_t
+usrsctp_crc32c(void *, size_t);
+
+#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)
+#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_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