/*- * Copyright (c) 2001-2007, by Cisco Systems, Inc. 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. */ /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $ */ #include __FBSDID("$FreeBSD$"); #ifndef __sctp_uio_h__ #define __sctp_uio_h__ #if ! defined(_KERNEL) #include #endif #include #include #include #include typedef uint32_t sctp_assoc_t; /* 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_stream_reset_events; }; /* ancillary data types */ #define SCTP_INIT 0x0001 #define SCTP_SNDRCV 0x0002 #define SCTP_EXTRCV 0x0003 /* * ancillary data structures */ struct sctp_initmsg { uint32_t sinit_num_ostreams; uint32_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 compatability. * 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 96 #define SCTP_ALIGN_RESV_PAD_SHORT 80 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; uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD]; }; struct sctp_extrcvinfo { struct sctp_sndrcvinfo sreinfo_sinfo; uint16_t sreinfo_next_flags; uint16_t sreinfo_next_stream; uint32_t sreinfo_next_aid; uint32_t sreinfo_next_length; uint32_t sreinfo_next_ppid; uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT]; }; #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_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_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 INVALID_SINFO_FLAG(x) (((x) & 0xffffff00 \ & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\ SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR)) != 0) /* for the endpoint */ /* The lower byte is an enumeration of PR-SCTP policies */ #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) & 0xff) #define PR_SCTP_ENABLED(x) (PR_SCTP_POLICY(x) != 0) #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) /* 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; }; /* 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 /* * 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 /* * CAUTION: these are user exposed SCTP addr reachability states must be * compatible with SCTP_ADDR states in sctp_constants.h */ #ifdef SCTP_ACTIVE #undef SCTP_ACTIVE #endif #define SCTP_ACTIVE 0x0001 /* SCTP_ADDR_REACHABLE */ #ifdef SCTP_INACTIVE #undef SCTP_INACTIVE #endif #define SCTP_INACTIVE 0x0002 /* SCTP_ADDR_NOT_REACHABLE */ #ifdef SCTP_UNCONFIRMED #undef SCTP_UNCONFIRMED #endif #define SCTP_UNCONFIRMED 0x0200 /* SCTP_ADDR_UNCONFIRMED */ #ifdef SCTP_NOHEARTBEAT #undef SCTP_NOHEARTBEAT #endif #define SCTP_NOHEARTBEAT 0x0040 /* SCTP_ADDR_NOHB */ /* 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]; }; /* data send failure event */ 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[4]; }; /* 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; }; /* compatable 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_NEWKEY 0x0001 /* * 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_list[0]; }; /* flags in strreset_flags field */ #define SCTP_STRRESET_INBOUND_STR 0x0001 #define SCTP_STRRESET_OUTBOUND_STR 0x0002 #define SCTP_STRRESET_ALL_STREAMS 0x0004 #define SCTP_STRRESET_STREAM_LIST 0x0008 #define SCTP_STRRESET_FAILED 0x0010 /* 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; /* compatability 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_stream_reset_event sn_strreset_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 /* * socket option structs */ struct sctp_paddrparams { sctp_assoc_t spp_assoc_id; struct sockaddr_storage spp_address; uint32_t spp_hbinterval; uint16_t spp_pathmaxrxt; uint32_t spp_pathmtu; uint32_t spp_flags; uint32_t spp_ipv6_flowlabel; uint8_t spp_ipv4_tos; }; #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_SACKDELAY_ENABLE 0x00000020 #define SPP_SACKDELAY_DISABLE 0x00000040 #define SPP_HB_TIME_IS_ZERO 0x00000080 #define SPP_IPV6_FLOWLABEL 0x00000100 #define SPP_IPV4_TOS 0x00000200 struct sctp_paddrinfo { sctp_assoc_t spinfo_assoc_id; struct sockaddr_storage spinfo_address; 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; uint16_t sasoc_asocmaxrxt; uint16_t sasoc_number_peer_destinations; uint32_t sasoc_peer_rwnd; uint32_t sasoc_local_rwnd; uint32_t sasoc_cookie_life; uint32_t sasoc_sack_delay; uint32_t sasoc_sack_freq; }; struct sctp_setprim { sctp_assoc_t ssp_assoc_id; struct sockaddr_storage ssp_addr; }; struct sctp_setpeerprim { sctp_assoc_t sspp_assoc_id; struct sockaddr_storage sspp_addr; }; struct sctp_getaddresses { sctp_assoc_t sget_assoc_id; /* addr is filled in for N * sockaddr_storage */ struct sockaddr addr[1]; }; struct sctp_setstrm_timeout { sctp_assoc_t ssto_assoc_id; uint32_t ssto_timeout; uint32_t ssto_streamid_start; uint32_t ssto_streamid_end; }; 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; uint8_t sca_key[0]; }; /* SCTP_HMAC_IDENT */ struct sctp_hmacalgo { uint16_t shmac_idents[0]; }; /* AUTH hmac_id */ #define SCTP_AUTH_HMAC_ID_RSVD 0x0000 #define SCTP_AUTH_HMAC_ID_SHA1 0x0001 /* default, mandatory */ #define SCTP_AUTH_HMAC_ID_MD5 0x0002 /* deprecated */ #define SCTP_AUTH_HMAC_ID_SHA256 0x0003 #define SCTP_AUTH_HMAC_ID_SHA224 0x8001 #define SCTP_AUTH_HMAC_ID_SHA384 0x8002 #define SCTP_AUTH_HMAC_ID_SHA512 0x8003 /* 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; uint8_t gauth_chunks[0]; }; struct sctp_assoc_value { sctp_assoc_t assoc_id; uint32_t assoc_value; }; #define MAX_ASOC_IDS_RET 255 struct sctp_assoc_ids { uint16_t asls_assoc_start; /* array of index's start at 0 */ uint8_t asls_numb_present; uint8_t asls_more_to_get; sctp_assoc_t asls_assoc_id[MAX_ASOC_IDS_RET]; }; struct sctp_cwnd_args { struct sctp_nets *net; /* network to */ uint32_t cwnd_new_value;/* cwnd in k */ uint32_t inflight; /* flightsize in k */ uint32_t pseudo_cumack; int 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 #define SCTP_RESET_LOCAL_RECV 0x0001 #define SCTP_RESET_LOCAL_SEND 0x0002 #define SCTP_RESET_BOTH 0x0003 #define SCTP_RESET_TSN 0x0004 struct sctp_stream_reset { sctp_assoc_t strrst_assoc_id; uint16_t strrst_flags; uint16_t strrst_num_streams; /* 0 == ALL */ uint16_t strrst_list[0];/* list if strrst_num_streams is not 0 */ }; 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; 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; 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; void *inp; 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; uint32_t rtt; }; struct sctp_nagle_log { void *stcb; 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; 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; void *stcb; uint32_t sctp_flags; uint16_t state; int16_t loc; }; struct sctp_mbuf_log { struct mbuf *mp; caddr_t ext; caddr_t data; uint16_t size; uint8_t refcnt; uint8_t mbuf_flags; }; struct sctp_cwnd_log { uint32_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 { int num_in_log; /* Number in log */ int num_ret; /* Number returned */ int start_at; /* start at this one */ int end_at; /* end at this one */ struct sctp_cwnd_log log[0]; }; struct sctpstat { /* MIB according to RFC 3873 */ u_long sctps_currestab; /* sctpStats 1 (Gauge32) */ u_long sctps_activeestab; /* sctpStats 2 (Counter32) */ u_long sctps_restartestab; u_long sctps_collisionestab; u_long sctps_passiveestab; /* sctpStats 3 (Counter32) */ u_long sctps_aborted; /* sctpStats 4 (Counter32) */ u_long sctps_shutdown; /* sctpStats 5 (Counter32) */ u_long sctps_outoftheblue; /* sctpStats 6 (Counter32) */ u_long sctps_checksumerrors; /* sctpStats 7 (Counter32) */ u_long sctps_outcontrolchunks; /* sctpStats 8 (Counter64) */ u_long sctps_outorderchunks; /* sctpStats 9 (Counter64) */ u_long sctps_outunorderchunks; /* sctpStats 10 (Counter64) */ u_long sctps_incontrolchunks; /* sctpStats 11 (Counter64) */ u_long sctps_inorderchunks; /* sctpStats 12 (Counter64) */ u_long sctps_inunorderchunks; /* sctpStats 13 (Counter64) */ u_long sctps_fragusrmsgs; /* sctpStats 14 (Counter64) */ u_long sctps_reasmusrmsgs; /* sctpStats 15 (Counter64) */ u_long sctps_outpackets;/* sctpStats 16 (Counter64) */ u_long sctps_inpackets; /* sctpStats 17 (Counter64) */ struct timeval sctps_discontinuitytime; /* sctpStats 18 (TimeStamp) */ /* input statistics: */ u_long sctps_recvpackets; /* total input packets */ u_long sctps_recvdatagrams; /* total input datagrams */ u_long sctps_recvpktwithdata; /* total packets that had data */ u_long sctps_recvsacks; /* total input SACK chunks */ u_long sctps_recvdata; /* total input DATA chunks */ u_long sctps_recvdupdata; /* total input duplicate DATA chunks */ u_long sctps_recvheartbeat; /* total input HB chunks */ u_long sctps_recvheartbeatack; /* total input HB-ACK chunks */ u_long sctps_recvecne; /* total input ECNE chunks */ u_long sctps_recvauth; /* total input AUTH chunks */ u_long sctps_recvauthmissing; /* total input chunks missing AUTH */ u_long sctps_recvivalhmacid; /* total number of invalid HMAC ids * received */ u_long sctps_recvivalkeyid; /* total number of invalid secret ids * received */ u_long sctps_recvauthfailed; /* total number of auth failed */ u_long sctps_recvexpress; /* total fast path receives all one * chunk */ u_long sctps_recvexpressm; /* total fast path multi-part data */ /* output statistics: */ u_long sctps_sendpackets; /* total output packets */ u_long sctps_sendsacks; /* total output SACKs */ u_long sctps_senddata; /* total output DATA chunks */ u_long sctps_sendretransdata; /* total output retransmitted DATA * chunks */ u_long sctps_sendfastretrans; /* total output fast retransmitted * DATA chunks */ u_long sctps_sendmultfastretrans; /* total FR's that happened * more than once to same * chunk (u-del multi-fr * algo). */ u_long sctps_sendheartbeat; /* total output HB chunks */ u_long sctps_sendecne; /* total output ECNE chunks */ u_long sctps_sendauth; /* total output AUTH chunks FIXME */ u_long sctps_senderrors;/* ip_output error counter */ /* PCKDROPREP statistics: */ u_long sctps_pdrpfmbox; /* Packet drop from middle box */ u_long sctps_pdrpfehos; /* P-drop from end host */ u_long sctps_pdrpmbda; /* P-drops with data */ u_long sctps_pdrpmbct; /* P-drops, non-data, non-endhost */ u_long sctps_pdrpbwrpt; /* P-drop, non-endhost, bandwidth rep only */ u_long sctps_pdrpcrupt; /* P-drop, not enough for chunk header */ u_long sctps_pdrpnedat; /* P-drop, not enough data to confirm */ u_long sctps_pdrppdbrk; /* P-drop, where process_chunk_drop said break */ u_long sctps_pdrptsnnf; /* P-drop, could not find TSN */ u_long sctps_pdrpdnfnd; /* P-drop, attempt reverse TSN lookup */ u_long sctps_pdrpdiwnp; /* P-drop, e-host confirms zero-rwnd */ u_long sctps_pdrpdizrw; /* P-drop, midbox confirms no space */ u_long sctps_pdrpbadd; /* P-drop, data did not match TSN */ u_long sctps_pdrpmark; /* P-drop, TSN's marked for Fast Retran */ /* timeouts */ u_long sctps_timoiterator; /* Number of iterator timers that * fired */ u_long sctps_timodata; /* Number of T3 data time outs */ u_long sctps_timowindowprobe; /* Number of window probe (T3) timers * that fired */ u_long sctps_timoinit; /* Number of INIT timers that fired */ u_long sctps_timosack; /* Number of sack timers that fired */ u_long sctps_timoshutdown; /* Number of shutdown timers that * fired */ u_long sctps_timoheartbeat; /* Number of heartbeat timers that * fired */ u_long sctps_timocookie;/* Number of times a cookie timeout fired */ u_long sctps_timosecret;/* Number of times an endpoint changed its * cookie secret */ u_long sctps_timopathmtu; /* Number of PMTU timers that fired */ u_long sctps_timoshutdownack; /* Number of shutdown ack timers that * fired */ u_long sctps_timoshutdownguard; /* Number of shutdown guard timers * that fired */ u_long sctps_timostrmrst; /* Number of stream reset timers that * fired */ u_long sctps_timoearlyfr; /* Number of early FR timers that * fired */ u_long sctps_timoasconf;/* Number of times an asconf timer fired */ u_long sctps_timoautoclose; /* Number of times auto close timer * fired */ u_long sctps_timoassockill; /* Number of asoc free timers expired */ u_long sctps_timoinpkill; /* Number of inp free timers expired */ /* Early fast retransmission counters */ u_long sctps_earlyfrstart; u_long sctps_earlyfrstop; u_long sctps_earlyfrmrkretrans; u_long sctps_earlyfrstpout; u_long sctps_earlyfrstpidsck1; u_long sctps_earlyfrstpidsck2; u_long sctps_earlyfrstpidsck3; u_long sctps_earlyfrstpidsck4; u_long sctps_earlyfrstrid; u_long sctps_earlyfrstrout; u_long sctps_earlyfrstrtmr; /* otheres */ u_long sctps_hdrops; /* packet shorter than header */ u_long sctps_badsum; /* checksum error */ u_long sctps_noport; /* no endpoint for port */ u_long sctps_badvtag; /* bad v-tag */ u_long sctps_badsid; /* bad SID */ u_long sctps_nomem; /* no memory */ u_long sctps_fastretransinrtt; /* number of multiple FR in a RTT * window */ u_long sctps_markedretrans; u_long sctps_naglesent; /* nagle allowed sending */ u_long sctps_naglequeued; /* nagle does't allow sending */ u_long sctps_maxburstqueued; /* max burst dosn't allow sending */ u_long sctps_ifnomemqueued; /* look ahead tells us no memory in * interface ring buffer OR we had a * send error and are queuing one * send. */ u_long sctps_windowprobed; /* total number of window probes sent */ u_long sctps_lowlevelerr; /* total times an output error causes * us to clamp down on next user send. */ u_long sctps_lowlevelerrusr; /* total times sctp_senderrors were * caused from a user send from a user * invoked send not a sack response */ u_long sctps_datadropchklmt; /* Number of in data drops due to * chunk limit reached */ u_long sctps_datadroprwnd; /* Number of in data drops due to rwnd * limit reached */ u_long sctps_ecnereducedcwnd; /* Number of times a ECN reduced the * cwnd */ u_long sctps_vtagexpress; /* Used express lookup via vtag */ u_long sctps_vtagbogus; /* Collision in express lookup. */ u_long sctps_primary_randry; /* Number of times the sender ran dry * of user data on primary */ u_long sctps_cmt_randry;/* Same for above */ u_long sctps_slowpath_sack; /* Sacks the slow way */ u_long sctps_wu_sacks_sent; /* Window Update only sacks sent */ u_long sctps_sends_with_flags; /* number of sends with sinfo_flags * !=0 */ u_long sctps_sends_with_unord /* number of undordered sends */ ; u_long sctps_sends_with_eof; /* number of sends with EOF flag set */ u_long sctps_sends_with_abort; /* number of sends with ABORT flag set */ u_long sctps_protocol_drain_calls; /* number of times protocol * drain called */ u_long sctps_protocol_drains_done; /* number of times we did a * protocol drain */ u_long sctps_read_peeks;/* Number of times recv was called with peek */ u_long sctps_cached_chk;/* Number of cached chunks used */ u_long sctps_cached_strmoq; /* Number of cached stream oq's used */ u_long sctps_left_abandon; /* Number of unread message abandonded * by close */ u_long sctps_send_burst_avoid; /* Send burst avoidance, already max * burst inflight to net */ u_long sctps_send_cwnd_avoid; /* Send cwnd full avoidance, already * max burst inflight to net */ }; #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1) #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1) #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_long(&sctpstat._x, _d) #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_long(&sctpstat._x, _d) /* 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) union sctp_sockstore { #if defined(INET) || !defined(_KERNEL) struct sockaddr_in sin; #endif #if defined(INET6) || !defined(_KERNEL) struct sockaddr_in6 sin6; #endif struct sockaddr sa; }; struct xsctp_inpcb { uint32_t last; uint16_t local_port; uint16_t number_local_addresses; uint32_t number_associations; uint32_t flags; uint32_t features; uint32_t total_sends; uint32_t total_recvs; uint32_t total_nospaces; uint32_t fragmentation_point; /* add more endpoint specific data here */ }; struct xsctp_tcb { uint16_t LocalPort; /* sctpAssocEntry 3 */ uint16_t RemPort; /* sctpAssocEntry 4 */ union sctp_sockstore RemPrimAddr; /* sctpAssocEntry 5/6 */ uint32_t HeartBeatInterval; /* sctpAssocEntry 7 */ uint32_t State; /* sctpAssocEntry 8 */ uint32_t InStreams; /* sctpAssocEntry 9 */ uint32_t OutStreams; /* sctpAssocEntry 10 */ uint32_t MaxRetr; /* sctpAssocEntry 11 */ uint32_t PrimProcess; /* sctpAssocEntry 12 */ uint32_t T1expireds; /* sctpAssocEntry 13 */ uint32_t T2expireds; /* sctpAssocEntry 14 */ uint32_t RtxChunks; /* sctpAssocEntry 15 */ struct timeval StartTime; /* sctpAssocEntry 16 */ struct timeval DiscontinuityTime; /* sctpAssocEntry 17 */ 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; /* add more association specific data here */ uint16_t number_local_addresses; uint16_t number_remote_addresses; }; struct xsctp_laddr { union sctp_sockstore LocalAddr; /* sctpAssocLocalAddrEntry 1/2 */ struct timeval LocalStartTime; /* sctpAssocLocalAddrEntry 3 */ /* add more local address specific data */ }; struct xsctp_raddr { union sctp_sockstore RemAddr; /* sctpAssocLocalRemEntry 1/2 */ uint8_t RemAddrActive; /* sctpAssocLocalRemEntry 3 */ uint8_t RemAddrConfirmed; /* */ uint8_t RemAddrHBActive;/* sctpAssocLocalRemEntry 4 */ uint32_t RemAddrRTO; /* sctpAssocLocalRemEntry 5 */ uint32_t RemAddrMaxPathRtx; /* sctpAssocLocalRemEntry 6 */ uint32_t RemAddrRtx; /* sctpAssocLocalRemEntry 7 */ uint32_t RemAddrErrorCounter; /* */ uint32_t RemAddrCwnd; /* */ uint32_t RemAddrFlightSize; /* */ uint32_t RemAddrMTU; /* */ struct timeval RemAddrStartTime; /* sctpAssocLocalRemEntry 8 */ /* add more remote address specific data */ }; /* * Kernel defined for sctp_send */ #if defined(_KERNEL) int sctp_lower_sosend(struct socket *so, struct sockaddr *addr, struct uio *uio, struct mbuf *i_pak, struct mbuf *control, int flags, int use_rcvinfo, struct sctp_sndrcvinfo *srcv ,struct thread *p ); 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)) __BEGIN_DECLS int sctp_peeloff __P((int, sctp_assoc_t)); int sctp_bindx __P((int, struct sockaddr *, int, int)); int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *)); int sctp_getaddrlen __P((sa_family_t)); int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **)); void sctp_freepaddrs __P((struct sockaddr *)); int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **)); void sctp_freeladdrs __P((struct sockaddr *)); int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *)); ssize_t sctp_sendmsg __P((int, const void *, size_t, const struct sockaddr *, socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); ssize_t sctp_send __P((int sd, const void *msg, size_t len, const struct sctp_sndrcvinfo *sinfo, int flags)); ssize_t sctp_sendx __P((int sd, const void *msg, size_t len, struct sockaddr *addrs, int addrcnt, struct sctp_sndrcvinfo *sinfo, int flags)); ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *, int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t)); sctp_assoc_t sctp_getassocid __P((int sd, struct sockaddr *sa)); ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *, struct sctp_sndrcvinfo *, int *)); __END_DECLS #endif /* !_KERNEL */ #endif /* !__sctp_uio_h__ */