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Diffstat (limited to '')
| -rw-r--r-- | netwerk/sctp/src/netinet/sctp_uio.h | 1354 |
1 files changed, 1354 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_uio.h b/netwerk/sctp/src/netinet/sctp_uio.h new file mode 100644 index 0000000000..eee2d6447c --- /dev/null +++ b/netwerk/sctp/src/netinet/sctp_uio.h @@ -0,0 +1,1354 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. + * Copyright (c) 2008-2012, by 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: + * + * a) Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * b) 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. + * + * c) Neither the name of Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + */ + +#if defined(__FreeBSD__) && !defined(__Userspace__) +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#endif + +#ifndef _NETINET_SCTP_UIO_H_ +#define _NETINET_SCTP_UIO_H_ + +#if (defined(__APPLE__) && !defined(__Userspace__) && defined(KERNEL)) +#ifndef _KERNEL +#define _KERNEL +#endif +#endif +#if !defined(_WIN32) +#if !defined(_KERNEL) +#include <stdint.h> +#endif +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#endif +#if defined(_WIN32) && !defined(__Userspace__) +#pragma warning(push) +#pragma warning(disable: 4200) +#if defined(_KERNEL) +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#endif +#endif + +typedef uint32_t sctp_assoc_t; + +#define SCTP_FUTURE_ASSOC 0 +#define SCTP_CURRENT_ASSOC 1 +#define SCTP_ALL_ASSOC 2 + +struct sctp_event { + sctp_assoc_t se_assoc_id; + uint16_t se_type; + uint8_t se_on; +}; + +/* Compatibility to previous define's */ +#define sctp_stream_reset_events sctp_stream_reset_event + +/* On/Off setup for subscription to events */ +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; +}; + +/* 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 + +/* + * ancillary data structures + */ +struct sctp_initmsg { + uint16_t sinit_num_ostreams; + uint16_t sinit_max_instreams; + uint16_t sinit_max_attempts; + uint16_t sinit_max_init_timeo; +}; + +/* We add 96 bytes to the size of sctp_sndrcvinfo. + * This makes the current structure 128 bytes long + * which is nicely 64 bit aligned but also has room + * for us to add more and keep ABI compatibility. + * For example, already we have the sctp_extrcvinfo + * when enabled which is 48 bytes. + */ + +/* + * The assoc up needs a verfid + * all sendrcvinfo's need a verfid for SENDING only. + */ + +#define SCTP_ALIGN_RESV_PAD 92 +#define SCTP_ALIGN_RESV_PAD_SHORT 76 + +struct sctp_sndrcvinfo { + uint16_t sinfo_stream; + uint16_t sinfo_ssn; + uint16_t sinfo_flags; + uint32_t sinfo_ppid; + uint32_t sinfo_context; + uint32_t sinfo_timetolive; + uint32_t sinfo_tsn; + uint32_t sinfo_cumtsn; + sctp_assoc_t sinfo_assoc_id; + uint16_t sinfo_keynumber; + uint16_t sinfo_keynumber_valid; + uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; +}; + +struct sctp_extrcvinfo { + uint16_t sinfo_stream; + uint16_t sinfo_ssn; + uint16_t sinfo_flags; + uint32_t sinfo_ppid; + uint32_t sinfo_context; + uint32_t sinfo_timetolive; /* should have been sinfo_pr_value */ + uint32_t sinfo_tsn; + uint32_t sinfo_cumtsn; + sctp_assoc_t sinfo_assoc_id; + uint16_t serinfo_next_flags; + uint16_t serinfo_next_stream; + uint32_t serinfo_next_aid; + uint32_t serinfo_next_length; + uint32_t serinfo_next_ppid; + uint16_t sinfo_keynumber; + uint16_t sinfo_keynumber_valid; + uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; +}; +#define sinfo_pr_value sinfo_timetolive +#define sreinfo_next_flags serinfo_next_flags +#define sreinfo_next_stream serinfo_next_stream +#define sreinfo_next_aid serinfo_next_aid +#define sreinfo_next_length serinfo_next_length +#define sreinfo_next_ppid serinfo_next_ppid + +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_default_prinfo { + uint16_t pr_policy; + uint32_t pr_value; + sctp_assoc_t pr_assoc_id; +}; + +struct sctp_authinfo { + uint16_t auth_keynumber; +}; + +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 + +struct sctp_sendv_spa { + uint32_t sendv_flags; + struct sctp_sndinfo sendv_sndinfo; + struct sctp_prinfo sendv_prinfo; + struct sctp_authinfo sendv_authinfo; +}; + +#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; +}; + +/* 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 four bits 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_PRIO 0x0002 /* Buffer based PR-SCTP */ +#define SCTP_PR_SCTP_BUF SCTP_PR_SCTP_PRIO /* For backwards compatibility */ +#define SCTP_PR_SCTP_RTX 0x0003 /* Number of retransmissions based PR-SCTP */ +#define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_RTX +#define SCTP_PR_SCTP_ALL 0x000f /* Used for aggregated stats */ + +#define PR_SCTP_POLICY(x) ((x) & 0x0f) +#define PR_SCTP_ENABLED(x) ((PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE) && \ + (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_ALL)) +#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_MAX) +#define PR_SCTP_VALID_POLICY(x) (PR_SCTP_POLICY(x) <= SCTP_PR_SCTP_MAX) + +/* Stat's */ +struct sctp_pcbinfo { + uint32_t ep_count; + uint32_t asoc_count; + uint32_t laddr_count; + uint32_t raddr_count; + uint32_t chk_count; + uint32_t readq_count; + uint32_t free_chunks; + uint32_t stream_oque; +}; + +struct sctp_sockstat { + sctp_assoc_t ss_assoc_id; + uint32_t ss_total_sndbuf; + uint32_t ss_total_recv_buf; +}; + +/* + * 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[]; +}; + +/* 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_INTERLEAVING 0x06 +#define SCTP_ASSOC_SUPPORTS_MAX 0x06 +/* + * 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; +}; + +/* 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 + +#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 */ + +/* 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[]; +}; + +/* data send failure event (deprecated) */ +struct sctp_send_failed { + uint16_t ssf_type; + uint16_t ssf_flags; + uint32_t ssf_length; + uint32_t ssf_error; + struct sctp_sndrcvinfo ssf_info; + sctp_assoc_t ssf_assoc_id; + uint8_t ssf_data[]; +}; + +/* data send failure event (not deprecated) */ +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 */ + +/* 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 stuff */ +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; +}; + +struct sctp_setadaptation { + uint32_t ssb_adaptation_ind; +}; + +/* compatible old spelling */ +struct sctp_adaption_event { + uint16_t sai_type; + uint16_t sai_flags; + uint32_t sai_length; + uint32_t sai_adaption_ind; + sctp_assoc_t sai_assoc_id; +}; + +struct sctp_setadaption { + uint32_t ssb_adaption_ind; +}; + +/* + * Partial Delivery API event + */ +struct sctp_pdapi_event { + uint16_t pdapi_type; + uint16_t pdapi_flags; + uint32_t pdapi_length; + uint32_t pdapi_indication; + uint16_t pdapi_stream; + uint16_t pdapi_seq; + sctp_assoc_t pdapi_assoc_id; +}; + +/* indication values */ +#define SCTP_PARTIAL_DELIVERY_ABORTED 0x0001 + +/* + * authentication key event + */ +struct sctp_authkey_event { + uint16_t auth_type; + uint16_t auth_flags; + uint32_t auth_length; + uint16_t auth_keynumber; + uint16_t auth_altkeynumber; + uint32_t auth_indication; + sctp_assoc_t auth_assoc_id; +}; + +/* indication values */ +#define SCTP_AUTH_NEW_KEY 0x0001 +#define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY +#define SCTP_AUTH_NO_AUTH 0x0002 +#define SCTP_AUTH_FREE_KEY 0x0003 + +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 +#define SCTP_STREAM_RESET_FAILED 0x0008 + +/* + * 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 notification event */ +struct sctp_tlv { + uint16_t sn_type; + uint16_t sn_flags; + uint32_t sn_length; +}; + +union sctp_notification { + struct sctp_tlv 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_send_failed sn_send_failed; + struct sctp_shutdown_event sn_shutdown_event; + struct sctp_adaptation_event sn_adaptation_event; + /* compatibility same as above */ + struct sctp_adaption_event sn_adaption_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; +}; + +/* 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 +/* same as above */ +#define SCTP_ADAPTION_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 /* we don't send this*/ +#define SCTP_ASSOC_RESET_EVENT 0x000c +#define SCTP_STREAM_CHANGE_EVENT 0x000d +#define SCTP_SEND_FAILED_EVENT 0x000e +/* + * socket option structs + */ + +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_ipv4_tos 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 +#define SPP_IPV4_TOS SPP_DSCP + +struct sctp_paddrthlds { + struct sockaddr_storage spt_address; + sctp_assoc_t spt_assoc_id; + uint16_t spt_pathmaxrxt; + uint16_t spt_pathpfthld; + uint16_t spt_pathcpthld; +}; + +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_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_setpeerprim { + struct sockaddr_storage sspp_addr; + sctp_assoc_t sspp_assoc_id; + uint8_t sspp_padding[4]; +}; + +union sctp_sockstore { + struct sockaddr_in sin; + struct sockaddr_in6 sin6; +#if defined(__Userspace__) + struct sockaddr_conn sconn; +#endif + struct sockaddr sa; +}; + +struct sctp_getaddresses { + sctp_assoc_t sget_assoc_id; + union sctp_sockstore addr[]; +}; + +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; +}; + +/* + * AUTHENTICATION support + */ +/* SCTP_AUTH_CHUNK */ +struct sctp_authchunk { + uint8_t sauth_chunk; +}; + +/* SCTP_AUTH_KEY */ +struct sctp_authkey { + sctp_assoc_t sca_assoc_id; + uint16_t sca_keynumber; + uint16_t sca_keylength; + uint8_t sca_key[]; +}; + +/* SCTP_HMAC_IDENT */ +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 + +/* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */ +struct sctp_authkeyid { + sctp_assoc_t scact_assoc_id; + uint16_t scact_keynumber; +}; + +/* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */ +struct sctp_authchunks { + sctp_assoc_t gauth_assoc_id; + uint32_t gauth_number_of_chunks; + uint8_t gauth_chunks[]; +}; + +struct sctp_assoc_value { + sctp_assoc_t assoc_id; + uint32_t assoc_value; +}; + +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_assoc_ids { + uint32_t gaids_number_of_ids; + sctp_assoc_t gaids_assoc_id[]; +}; + +struct sctp_sack_info { + sctp_assoc_t sack_assoc_id; + uint32_t sack_delay; + uint32_t sack_freq; +}; + +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_udpencaps { + struct sockaddr_storage sue_address; + sctp_assoc_t sue_assoc_id; + uint16_t sue_port; +}; + +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; +}; + +struct sctp_cwnd_args { + struct sctp_nets *net; /* network to */ /* FIXME: LP64 issue */ + uint32_t cwnd_new_value;/* cwnd in k */ + uint32_t pseudo_cumack; + uint16_t inflight; /* flightsize in k */ + uint16_t cwnd_augment; /* increment to it */ + uint8_t meets_pseudo_cumack; + uint8_t need_new_pseudo_cumack; + uint8_t cnt_in_send; + uint8_t cnt_in_str; +}; + +struct sctp_blk_args { + uint32_t onsb; /* in 1k bytes */ + uint32_t sndlen; /* len of send being attempted */ + uint32_t peer_rwnd; /* rwnd of peer */ + uint16_t send_sent_qcnt;/* chnk cnt */ + uint16_t stream_qcnt; /* chnk cnt */ + uint16_t chunks_on_oque;/* chunks out */ + uint16_t flight_size; /* flight size in k */ +}; + +/* + * Max we can reset in one setting, note this is dictated not by the define + * but the size of a mbuf cluster so don't change this define and think you + * can specify more. You must do multiple resets if you want to reset more + * than SCTP_MAX_EXPLICIT_STR_RESET. + */ +#define SCTP_MAX_EXPLICT_STR_RESET 1000 + +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_get_nonce_values { + sctp_assoc_t gn_assoc_id; + uint32_t gn_peers_tag; + uint32_t gn_local_tag; +}; + +/* Debugging logs */ +struct sctp_str_log { + void *stcb; /* FIXME: LP64 issue */ + uint32_t n_tsn; + uint32_t e_tsn; + uint16_t n_sseq; + uint16_t e_sseq; + uint16_t strm; +}; + +struct sctp_sb_log { + void *stcb; /* FIXME: LP64 issue */ + uint32_t so_sbcc; + uint32_t stcb_sbcc; + uint32_t incr; +}; + +struct sctp_fr_log { + uint32_t largest_tsn; + uint32_t largest_new_tsn; + uint32_t tsn; +}; + +struct sctp_fr_map { + uint32_t base; + uint32_t cum; + uint32_t high; +}; + +struct sctp_rwnd_log { + uint32_t rwnd; + uint32_t send_size; + uint32_t overhead; + uint32_t new_rwnd; +}; + +struct sctp_mbcnt_log { + uint32_t total_queue_size; + uint32_t size_change; + uint32_t total_queue_mb_size; + uint32_t mbcnt_change; +}; + +struct sctp_sack_log { + uint32_t cumack; + uint32_t oldcumack; + uint32_t tsn; + uint16_t numGaps; + uint16_t numDups; +}; + +struct sctp_lock_log { + void *sock; /* FIXME: LP64 issue */ + void *inp; /* FIXME: LP64 issue */ + uint8_t tcb_lock; + uint8_t inp_lock; + uint8_t info_lock; + uint8_t sock_lock; + uint8_t sockrcvbuf_lock; + uint8_t socksndbuf_lock; + uint8_t create_lock; + uint8_t resv; +}; + +struct sctp_rto_log { + void * net; /* FIXME: LP64 issue */ + uint32_t rtt; +}; + +struct sctp_nagle_log { + void *stcb; /* FIXME: LP64 issue */ + uint32_t total_flight; + uint32_t total_in_queue; + uint16_t count_in_queue; + uint16_t count_in_flight; +}; + +struct sctp_sbwake_log { + void *stcb; /* FIXME: LP64 issue */ + uint16_t send_q; + uint16_t sent_q; + uint16_t flight; + uint16_t wake_cnt; + uint8_t stream_qcnt; /* chnk cnt */ + uint8_t chunks_on_oque;/* chunks out */ + uint8_t sbflags; + uint8_t sctpflags; +}; + +struct sctp_misc_info { + uint32_t log1; + uint32_t log2; + uint32_t log3; + uint32_t log4; +}; + +struct sctp_log_closing { + void *inp; /* FIXME: LP64 issue */ + void *stcb; /* FIXME: LP64 issue */ + uint32_t sctp_flags; + uint16_t state; + int16_t loc; +}; + +struct sctp_mbuf_log { + struct mbuf *mp; /* FIXME: LP64 issue */ + caddr_t ext; + caddr_t data; + uint16_t size; + uint8_t refcnt; + uint8_t mbuf_flags; +}; + +struct sctp_cwnd_log { + uint64_t time_event; + uint8_t from; + uint8_t event_type; + uint8_t resv[2]; + union { + struct sctp_log_closing close; + struct sctp_blk_args blk; + struct sctp_cwnd_args cwnd; + struct sctp_str_log strlog; + struct sctp_fr_log fr; + struct sctp_fr_map map; + struct sctp_rwnd_log rwnd; + struct sctp_mbcnt_log mbcnt; + struct sctp_sack_log sack; + struct sctp_lock_log lock; + struct sctp_rto_log rto; + struct sctp_sb_log sb; + struct sctp_nagle_log nagle; + struct sctp_sbwake_log wake; + struct sctp_mbuf_log mb; + struct sctp_misc_info misc; + } x; +}; + +struct sctp_cwnd_log_req { + int32_t num_in_log; /* Number in log */ + int32_t num_ret; /* Number returned */ + int32_t start_at; /* start at this one */ + int32_t end_at; /* end at this one */ + struct sctp_cwnd_log log[]; +}; + +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_recv_spare; /* formerly 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_send_spare; /* formerly 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_recvzerocrc; /* Number of accepted packets with zero CRC */ + uint32_t sctps_sendzerocrc; /* Number of packets sent with zero CRC */ + uint32_t sctps_reserved[29]; /* Future ABI compat - remove int's from here when adding new */ +}; + +#define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) +#define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) +#if defined(__FreeBSD__) && !defined(__Userspace__) +#if defined(SMP) && defined(SCTP_USE_PERCPU_STAT) +#define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d) +#define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d) +#else +#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) +#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) +#endif +#else +#define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d) +#define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d) +#endif +/* The following macros are for handling MIB values, */ +#define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x) +#define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x) +#define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x) +#define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x) +#define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x) +#define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x) + +/***********************************/ +/* And something for us old timers */ +/***********************************/ + +#if !(defined(__APPLE__) && !defined(__Userspace__)) +#if !defined(__Userspace__) +#ifndef ntohll +#if defined(__linux__) +#ifndef _BSD_SOURCE +#define _BSD_SOURCE +#endif +#include <endian.h> +#else +#include <sys/endian.h> +#endif +#define ntohll(x) be64toh(x) +#endif + +#ifndef htonll +#if defined(__linux__) +#ifndef _BSD_SOURCE +#define _BSD_SOURCE +#endif +#include <endian.h> +#else +#include <sys/endian.h> +#endif +#define htonll(x) htobe64(x) +#endif +#endif +#endif +/***********************************/ + +struct xsctp_inpcb { + uint32_t last; + uint32_t flags; + uint64_t features; + uint32_t total_sends; + uint32_t total_recvs; + uint32_t total_nospaces; + uint32_t fragmentation_point; + uint16_t local_port; +#if defined(__FreeBSD__) && !defined(__Userspace__) + uint16_t qlen_old; + uint16_t maxqlen_old; +#else + uint16_t qlen; + uint16_t maxqlen; +#endif + uint16_t __spare16; +#if defined(__FreeBSD__) && !defined(__Userspace__) + kvaddr_t socket; +#else + void *socket; +#endif +#if defined(__FreeBSD__) && !defined(__Userspace__) + uint32_t qlen; + uint32_t maxqlen; +#endif + uint32_t extra_padding[26]; /* future */ +}; + +struct xsctp_tcb { + union sctp_sockstore primary_addr; /* sctpAssocEntry 5/6 */ + uint32_t last; + uint32_t heartbeat_interval; /* sctpAssocEntry 7 */ + uint32_t state; /* sctpAssocEntry 8 */ + uint32_t in_streams; /* sctpAssocEntry 9 */ + uint32_t out_streams; /* sctpAssocEntry 10 */ + uint32_t max_nr_retrans; /* sctpAssocEntry 11 */ + uint32_t primary_process; /* sctpAssocEntry 12 */ + uint32_t T1_expireries; /* sctpAssocEntry 13 */ + uint32_t T2_expireries; /* sctpAssocEntry 14 */ + uint32_t retransmitted_tsns; /* sctpAssocEntry 15 */ + uint32_t total_sends; + uint32_t total_recvs; + uint32_t local_tag; + uint32_t remote_tag; + uint32_t initial_tsn; + uint32_t highest_tsn; + uint32_t cumulative_tsn; + uint32_t cumulative_tsn_ack; + uint32_t mtu; + uint32_t refcnt; + uint16_t local_port; /* sctpAssocEntry 3 */ + uint16_t remote_port; /* sctpAssocEntry 4 */ + struct sctp_timeval start_time; /* sctpAssocEntry 16 */ + struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17 */ + uint32_t peers_rwnd; + sctp_assoc_t assoc_id; /* sctpAssocEntry 1 */ + uint32_t extra_padding[32]; /* future */ +}; + +struct xsctp_laddr { + union sctp_sockstore address; /* sctpAssocLocalAddrEntry 1/2 */ + uint32_t last; + struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3 */ + uint32_t extra_padding[32]; /* future */ +}; + +struct xsctp_raddr { + union sctp_sockstore address; /* sctpAssocLocalRemEntry 1/2 */ + uint32_t last; + uint32_t rto; /* sctpAssocLocalRemEntry 5 */ + uint32_t max_path_rtx; /* sctpAssocLocalRemEntry 6 */ + uint32_t rtx; /* sctpAssocLocalRemEntry 7 */ + uint32_t error_counter; /* */ + uint32_t cwnd; /* */ + uint32_t flight_size; /* */ + uint32_t mtu; /* */ + uint8_t active; /* sctpAssocLocalRemEntry 3 */ + uint8_t confirmed; /* */ + uint8_t heartbeat_enabled; /* sctpAssocLocalRemEntry 4 */ + uint8_t potentially_failed; + struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8 */ + uint32_t rtt; + uint32_t heartbeat_interval; + uint32_t ssthresh; + uint16_t encaps_port; + uint16_t state; + uint32_t extra_padding[29]; /* future */ +}; + +#define SCTP_MAX_LOGGING_SIZE 30000 +#define SCTP_TRACE_PARAMS 6 /* This number MUST be even */ + +struct sctp_log_entry { + uint64_t timestamp; + uint32_t subsys; + uint32_t padding; + uint32_t params[SCTP_TRACE_PARAMS]; +}; + +struct sctp_log { + struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE]; + uint32_t index; + uint32_t padding; +}; + +/* + * Kernel defined for sctp_send + */ +#if defined(_KERNEL) || defined(__Userspace__) +int +sctp_lower_sosend(struct socket *so, + struct sockaddr *addr, + struct uio *uio, + struct mbuf *top, + struct mbuf *control, + int flags, + struct sctp_sndrcvinfo *srcv +#if !defined(__Userspace__) +#if defined(__FreeBSD__) + ,struct thread *p +#elif defined(_WIN32) + , PKTHREAD p +#else + ,struct proc *p +#endif +#endif +); + +int +sctp_sorecvmsg(struct socket *so, + struct uio *uio, + struct mbuf **mp, + struct sockaddr *from, + int fromlen, + int *msg_flags, + struct sctp_sndrcvinfo *sinfo, + int filling_sinfo); +#endif + +/* + * API system calls + */ +#if !(defined(_KERNEL)) && !(defined(__Userspace__)) + +__BEGIN_DECLS +int sctp_peeloff(int, sctp_assoc_t); +int sctp_bindx(int, struct sockaddr *, int, int); +int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *); +int sctp_getaddrlen(sa_family_t); +int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **); +void sctp_freepaddrs(struct sockaddr *); +int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **); +void sctp_freeladdrs(struct sockaddr *); +int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *); + +/* deprecated */ +ssize_t sctp_sendmsg(int, const void *, size_t, const struct sockaddr *, + socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); + +/* deprecated */ +ssize_t sctp_send(int, const void *, size_t, + const struct sctp_sndrcvinfo *, int); + +/* deprecated */ +ssize_t sctp_sendx(int, const void *, size_t, struct sockaddr *, + int, struct sctp_sndrcvinfo *, int); + +/* deprecated */ +ssize_t sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *, + int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t); + +sctp_assoc_t sctp_getassocid(int, struct sockaddr *); + +/* deprecated */ +ssize_t sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *, + struct sctp_sndrcvinfo *, int *); + +ssize_t sctp_sendv(int, const struct iovec *, int, struct sockaddr *, + int, void *, socklen_t, unsigned int, int); + +ssize_t sctp_recvv(int, const struct iovec *, int, struct sockaddr *, + socklen_t *, void *, socklen_t *, unsigned int *, int *); +__END_DECLS + +#endif /* !_KERNEL */ +#endif /* !__sctp_uio_h__ */ |