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FreeBSD/Linux Kernel Cross Reference
sys/netinet/sctp_uio.h

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    1 /*-
    2  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
    3  * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
    4  * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions are met:
    8  *
    9  * a) Redistributions of source code must retain the above copyright notice,
   10  *    this list of conditions and the following disclaimer.
   11  *
   12  * b) Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in
   14  *    the documentation and/or other materials provided with the distribution.
   15  *
   16  * c) Neither the name of Cisco Systems, Inc. nor the names of its
   17  *    contributors may be used to endorse or promote products derived
   18  *    from this software without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   30  * THE POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 #include <sys/cdefs.h>
   34 __FBSDID("$FreeBSD: head/sys/netinet/sctp_uio.h 255160 2013-09-02 22:48:41Z tuexen $");
   35 
   36 #ifndef _NETINET_SCTP_UIO_H_
   37 #define _NETINET_SCTP_UIO_H_
   38 
   39 
   40 #if ! defined(_KERNEL)
   41 #include <stdint.h>
   42 #endif
   43 #include <sys/types.h>
   44 #include <sys/socket.h>
   45 #include <netinet/in.h>
   46 
   47 typedef uint32_t sctp_assoc_t;
   48 
   49 #define SCTP_FUTURE_ASSOC  0
   50 #define SCTP_CURRENT_ASSOC 1
   51 #define SCTP_ALL_ASSOC     2
   52 
   53 struct sctp_event {
   54         sctp_assoc_t se_assoc_id;
   55         uint16_t se_type;
   56         uint8_t se_on;
   57 };
   58 
   59 /* Compatibility to previous define's */
   60 #define sctp_stream_reset_events sctp_stream_reset_event
   61 
   62 /* On/Off setup for subscription to events */
   63 struct sctp_event_subscribe {
   64         uint8_t sctp_data_io_event;
   65         uint8_t sctp_association_event;
   66         uint8_t sctp_address_event;
   67         uint8_t sctp_send_failure_event;
   68         uint8_t sctp_peer_error_event;
   69         uint8_t sctp_shutdown_event;
   70         uint8_t sctp_partial_delivery_event;
   71         uint8_t sctp_adaptation_layer_event;
   72         uint8_t sctp_authentication_event;
   73         uint8_t sctp_sender_dry_event;
   74         uint8_t sctp_stream_reset_event;
   75 };
   76 
   77 /* ancillary data types */
   78 #define SCTP_INIT       0x0001
   79 #define SCTP_SNDRCV     0x0002
   80 #define SCTP_EXTRCV     0x0003
   81 #define SCTP_SNDINFO    0x0004
   82 #define SCTP_RCVINFO    0x0005
   83 #define SCTP_NXTINFO    0x0006
   84 #define SCTP_PRINFO     0x0007
   85 #define SCTP_AUTHINFO   0x0008
   86 #define SCTP_DSTADDRV4  0x0009
   87 #define SCTP_DSTADDRV6  0x000a
   88 
   89 /*
   90  * ancillary data structures
   91  */
   92 struct sctp_initmsg {
   93         uint16_t sinit_num_ostreams;
   94         uint16_t sinit_max_instreams;
   95         uint16_t sinit_max_attempts;
   96         uint16_t sinit_max_init_timeo;
   97 };
   98 
   99 /* We add 96 bytes to the size of sctp_sndrcvinfo.
  100  * This makes the current structure 128 bytes long
  101  * which is nicely 64 bit aligned but also has room
  102  * for us to add more and keep ABI compatibility.
  103  * For example, already we have the sctp_extrcvinfo
  104  * when enabled which is 48 bytes.
  105  */
  106 
  107 /*
  108  * The assoc up needs a verfid
  109  * all sendrcvinfo's need a verfid for SENDING only.
  110  */
  111 
  112 
  113 #define SCTP_ALIGN_RESV_PAD 92
  114 #define SCTP_ALIGN_RESV_PAD_SHORT 76
  115 
  116 struct sctp_sndrcvinfo {
  117         uint16_t sinfo_stream;
  118         uint16_t sinfo_ssn;
  119         uint16_t sinfo_flags;
  120         uint32_t sinfo_ppid;
  121         uint32_t sinfo_context;
  122         uint32_t sinfo_timetolive;
  123         uint32_t sinfo_tsn;
  124         uint32_t sinfo_cumtsn;
  125         sctp_assoc_t sinfo_assoc_id;
  126         uint16_t sinfo_keynumber;
  127         uint16_t sinfo_keynumber_valid;
  128         uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
  129 };
  130 
  131 struct sctp_extrcvinfo {
  132         uint16_t sinfo_stream;
  133         uint16_t sinfo_ssn;
  134         uint16_t sinfo_flags;
  135         uint32_t sinfo_ppid;
  136         uint32_t sinfo_context;
  137         uint32_t sinfo_timetolive;
  138         uint32_t sinfo_tsn;
  139         uint32_t sinfo_cumtsn;
  140         sctp_assoc_t sinfo_assoc_id;
  141         uint16_t sreinfo_next_flags;
  142         uint16_t sreinfo_next_stream;
  143         uint32_t sreinfo_next_aid;
  144         uint32_t sreinfo_next_length;
  145         uint32_t sreinfo_next_ppid;
  146         uint16_t sinfo_keynumber;
  147         uint16_t sinfo_keynumber_valid;
  148         uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
  149 };
  150 
  151 struct sctp_sndinfo {
  152         uint16_t snd_sid;
  153         uint16_t snd_flags;
  154         uint32_t snd_ppid;
  155         uint32_t snd_context;
  156         sctp_assoc_t snd_assoc_id;
  157 };
  158 
  159 struct sctp_prinfo {
  160         uint16_t pr_policy;
  161         uint32_t pr_value;
  162 };
  163 
  164 struct sctp_default_prinfo {
  165         uint16_t pr_policy;
  166         uint32_t pr_value;
  167         sctp_assoc_t pr_assoc_id;
  168 };
  169 
  170 struct sctp_authinfo {
  171         uint16_t auth_keynumber;
  172 };
  173 
  174 struct sctp_rcvinfo {
  175         uint16_t rcv_sid;
  176         uint16_t rcv_ssn;
  177         uint16_t rcv_flags;
  178         uint32_t rcv_ppid;
  179         uint32_t rcv_tsn;
  180         uint32_t rcv_cumtsn;
  181         uint32_t rcv_context;
  182         sctp_assoc_t rcv_assoc_id;
  183 };
  184 
  185 struct sctp_nxtinfo {
  186         uint16_t nxt_sid;
  187         uint16_t nxt_flags;
  188         uint32_t nxt_ppid;
  189         uint32_t nxt_length;
  190         sctp_assoc_t nxt_assoc_id;
  191 };
  192 
  193 #define SCTP_NO_NEXT_MSG           0x0000
  194 #define SCTP_NEXT_MSG_AVAIL        0x0001
  195 #define SCTP_NEXT_MSG_ISCOMPLETE   0x0002
  196 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
  197 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
  198 
  199 struct sctp_recvv_rn {
  200         struct sctp_rcvinfo recvv_rcvinfo;
  201         struct sctp_nxtinfo recvv_nxtinfo;
  202 };
  203 
  204 #define SCTP_RECVV_NOINFO  0
  205 #define SCTP_RECVV_RCVINFO 1
  206 #define SCTP_RECVV_NXTINFO 2
  207 #define SCTP_RECVV_RN      3
  208 
  209 #define SCTP_SENDV_NOINFO   0
  210 #define SCTP_SENDV_SNDINFO  1
  211 #define SCTP_SENDV_PRINFO   2
  212 #define SCTP_SENDV_AUTHINFO 3
  213 #define SCTP_SENDV_SPA      4
  214 
  215 struct sctp_sendv_spa {
  216         uint32_t sendv_flags;
  217         struct sctp_sndinfo sendv_sndinfo;
  218         struct sctp_prinfo sendv_prinfo;
  219         struct sctp_authinfo sendv_authinfo;
  220 };
  221 
  222 #define SCTP_SEND_SNDINFO_VALID  0x00000001
  223 #define SCTP_SEND_PRINFO_VALID   0x00000002
  224 #define SCTP_SEND_AUTHINFO_VALID 0x00000004
  225 
  226 struct sctp_snd_all_completes {
  227         uint16_t sall_stream;
  228         uint16_t sall_flags;
  229         uint32_t sall_ppid;
  230         uint32_t sall_context;
  231         uint32_t sall_num_sent;
  232         uint32_t sall_num_failed;
  233 };
  234 
  235 /* Flags that go into the sinfo->sinfo_flags field */
  236 #define SCTP_NOTIFICATION     0x0010    /* next message is a notification */
  237 #define SCTP_COMPLETE         0x0020    /* next message is complete */
  238 #define SCTP_EOF              0x0100    /* Start shutdown procedures */
  239 #define SCTP_ABORT            0x0200    /* Send an ABORT to peer */
  240 #define SCTP_UNORDERED        0x0400    /* Message is un-ordered */
  241 #define SCTP_ADDR_OVER        0x0800    /* Override the primary-address */
  242 #define SCTP_SENDALL          0x1000    /* Send this on all associations */
  243 #define SCTP_EOR              0x2000    /* end of message signal */
  244 #define SCTP_SACK_IMMEDIATELY 0x4000    /* Set I-Bit */
  245 
  246 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \
  247                                     & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
  248                                         SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
  249                                         SCTP_SACK_IMMEDIATELY)) != 0)
  250 /* for the endpoint */
  251 
  252 /* The lower byte is an enumeration of PR-SCTP policies */
  253 #define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */
  254 #define SCTP_PR_SCTP_TTL  0x0001/* Time based PR-SCTP */
  255 #define SCTP_PR_SCTP_BUF  0x0002/* Buffer based PR-SCTP */
  256 #define SCTP_PR_SCTP_RTX  0x0003/* Number of retransmissions based PR-SCTP */
  257 
  258 #define PR_SCTP_POLICY(x)         ((x) & 0x0f)
  259 #define PR_SCTP_ENABLED(x)        (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE)
  260 #define PR_SCTP_TTL_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
  261 #define PR_SCTP_BUF_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
  262 #define PR_SCTP_RTX_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
  263 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
  264 /* Stat's */
  265 struct sctp_pcbinfo {
  266         uint32_t ep_count;
  267         uint32_t asoc_count;
  268         uint32_t laddr_count;
  269         uint32_t raddr_count;
  270         uint32_t chk_count;
  271         uint32_t readq_count;
  272         uint32_t free_chunks;
  273         uint32_t stream_oque;
  274 };
  275 
  276 struct sctp_sockstat {
  277         sctp_assoc_t ss_assoc_id;
  278         uint32_t ss_total_sndbuf;
  279         uint32_t ss_total_recv_buf;
  280 };
  281 
  282 /*
  283  * notification event structures
  284  */
  285 
  286 /*
  287  * association change event
  288  */
  289 struct sctp_assoc_change {
  290         uint16_t sac_type;
  291         uint16_t sac_flags;
  292         uint32_t sac_length;
  293         uint16_t sac_state;
  294         uint16_t sac_error;
  295         uint16_t sac_outbound_streams;
  296         uint16_t sac_inbound_streams;
  297         sctp_assoc_t sac_assoc_id;
  298         uint8_t sac_info[];
  299 };
  300 
  301 /* sac_state values */
  302 #define SCTP_COMM_UP            0x0001
  303 #define SCTP_COMM_LOST          0x0002
  304 #define SCTP_RESTART            0x0003
  305 #define SCTP_SHUTDOWN_COMP      0x0004
  306 #define SCTP_CANT_STR_ASSOC     0x0005
  307 
  308 /* sac_info values */
  309 #define SCTP_ASSOC_SUPPORTS_PR        0x01
  310 #define SCTP_ASSOC_SUPPORTS_AUTH      0x02
  311 #define SCTP_ASSOC_SUPPORTS_ASCONF    0x03
  312 #define SCTP_ASSOC_SUPPORTS_MULTIBUF  0x04
  313 #define SCTP_ASSOC_SUPPORTS_RE_CONFIG 0x05
  314 #define SCTP_ASSOC_SUPPORTS_MAX       0x05
  315 /*
  316  * Address event
  317  */
  318 struct sctp_paddr_change {
  319         uint16_t spc_type;
  320         uint16_t spc_flags;
  321         uint32_t spc_length;
  322         struct sockaddr_storage spc_aaddr;
  323         uint32_t spc_state;
  324         uint32_t spc_error;
  325         sctp_assoc_t spc_assoc_id;
  326         uint8_t spc_padding[4];
  327 };
  328 
  329 /* paddr state values */
  330 #define SCTP_ADDR_AVAILABLE     0x0001
  331 #define SCTP_ADDR_UNREACHABLE   0x0002
  332 #define SCTP_ADDR_REMOVED       0x0003
  333 #define SCTP_ADDR_ADDED         0x0004
  334 #define SCTP_ADDR_MADE_PRIM     0x0005
  335 #define SCTP_ADDR_CONFIRMED     0x0006
  336 
  337 #define SCTP_ACTIVE             0x0001  /* SCTP_ADDR_REACHABLE */
  338 #define SCTP_INACTIVE           0x0002  /* neither SCTP_ADDR_REACHABLE nor
  339                                          * SCTP_ADDR_UNCONFIRMED */
  340 #define SCTP_UNCONFIRMED        0x0200  /* SCTP_ADDR_UNCONFIRMED */
  341 
  342 /* remote error events */
  343 struct sctp_remote_error {
  344         uint16_t sre_type;
  345         uint16_t sre_flags;
  346         uint32_t sre_length;
  347         uint16_t sre_error;
  348         sctp_assoc_t sre_assoc_id;
  349         uint8_t sre_data[4];
  350 };
  351 
  352 /* data send failure event (deprecated) */
  353 struct sctp_send_failed {
  354         uint16_t ssf_type;
  355         uint16_t ssf_flags;
  356         uint32_t ssf_length;
  357         uint32_t ssf_error;
  358         struct sctp_sndrcvinfo ssf_info;
  359         sctp_assoc_t ssf_assoc_id;
  360         uint8_t ssf_data[];
  361 };
  362 
  363 /* data send failure event (not deprecated) */
  364 struct sctp_send_failed_event {
  365         uint16_t ssfe_type;
  366         uint16_t ssfe_flags;
  367         uint32_t ssfe_length;
  368         uint32_t ssfe_error;
  369         struct sctp_sndinfo ssfe_info;
  370         sctp_assoc_t ssfe_assoc_id;
  371         uint8_t ssfe_data[];
  372 };
  373 
  374 /* flag that indicates state of data */
  375 #define SCTP_DATA_UNSENT        0x0001  /* inqueue never on wire */
  376 #define SCTP_DATA_SENT          0x0002  /* on wire at failure */
  377 
  378 /* shutdown event */
  379 struct sctp_shutdown_event {
  380         uint16_t sse_type;
  381         uint16_t sse_flags;
  382         uint32_t sse_length;
  383         sctp_assoc_t sse_assoc_id;
  384 };
  385 
  386 /* Adaptation layer indication stuff */
  387 struct sctp_adaptation_event {
  388         uint16_t sai_type;
  389         uint16_t sai_flags;
  390         uint32_t sai_length;
  391         uint32_t sai_adaptation_ind;
  392         sctp_assoc_t sai_assoc_id;
  393 };
  394 
  395 struct sctp_setadaptation {
  396         uint32_t ssb_adaptation_ind;
  397 };
  398 
  399 /* compatible old spelling */
  400 struct sctp_adaption_event {
  401         uint16_t sai_type;
  402         uint16_t sai_flags;
  403         uint32_t sai_length;
  404         uint32_t sai_adaption_ind;
  405         sctp_assoc_t sai_assoc_id;
  406 };
  407 
  408 struct sctp_setadaption {
  409         uint32_t ssb_adaption_ind;
  410 };
  411 
  412 
  413 /*
  414  * Partial Delivery API event
  415  */
  416 struct sctp_pdapi_event {
  417         uint16_t pdapi_type;
  418         uint16_t pdapi_flags;
  419         uint32_t pdapi_length;
  420         uint32_t pdapi_indication;
  421         uint16_t pdapi_stream;
  422         uint16_t pdapi_seq;
  423         sctp_assoc_t pdapi_assoc_id;
  424 };
  425 
  426 /* indication values */
  427 #define SCTP_PARTIAL_DELIVERY_ABORTED   0x0001
  428 
  429 
  430 /*
  431  * authentication key event
  432  */
  433 struct sctp_authkey_event {
  434         uint16_t auth_type;
  435         uint16_t auth_flags;
  436         uint32_t auth_length;
  437         uint16_t auth_keynumber;
  438         uint16_t auth_altkeynumber;
  439         uint32_t auth_indication;
  440         sctp_assoc_t auth_assoc_id;
  441 };
  442 
  443 /* indication values */
  444 #define SCTP_AUTH_NEW_KEY       0x0001
  445 #define SCTP_AUTH_NEWKEY        SCTP_AUTH_NEW_KEY
  446 #define SCTP_AUTH_NO_AUTH       0x0002
  447 #define SCTP_AUTH_FREE_KEY      0x0003
  448 
  449 
  450 struct sctp_sender_dry_event {
  451         uint16_t sender_dry_type;
  452         uint16_t sender_dry_flags;
  453         uint32_t sender_dry_length;
  454         sctp_assoc_t sender_dry_assoc_id;
  455 };
  456 
  457 
  458 /*
  459  * Stream reset event - subscribe to SCTP_STREAM_RESET_EVENT
  460  */
  461 struct sctp_stream_reset_event {
  462         uint16_t strreset_type;
  463         uint16_t strreset_flags;
  464         uint32_t strreset_length;
  465         sctp_assoc_t strreset_assoc_id;
  466         uint16_t strreset_stream_list[];
  467 };
  468 
  469 /* flags in stream_reset_event (strreset_flags) */
  470 #define SCTP_STREAM_RESET_INCOMING_SSN  0x0001
  471 #define SCTP_STREAM_RESET_OUTGOING_SSN  0x0002
  472 #define SCTP_STREAM_RESET_DENIED        0x0004
  473 #define SCTP_STREAM_RESET_FAILED        0x0008
  474 
  475 /*
  476  * Assoc reset event - subscribe to SCTP_ASSOC_RESET_EVENT
  477  */
  478 struct sctp_assoc_reset_event {
  479         uint16_t assocreset_type;
  480         uint16_t assocreset_flags;
  481         uint32_t assocreset_length;
  482         sctp_assoc_t assocreset_assoc_id;
  483         uint32_t assocreset_local_tsn;
  484         uint32_t assocreset_remote_tsn;
  485 };
  486 
  487 #define SCTP_ASSOC_RESET_DENIED         0x0004
  488 #define SCTP_ASSOC_RESET_FAILED         0x0008
  489 
  490 /*
  491  * Stream change event - subscribe to SCTP_STREAM_CHANGE_EVENT
  492  */
  493 struct sctp_stream_change_event {
  494         uint16_t strchange_type;
  495         uint16_t strchange_flags;
  496         uint32_t strchange_length;
  497         sctp_assoc_t strchange_assoc_id;
  498         uint16_t strchange_instrms;
  499         uint16_t strchange_outstrms;
  500 };
  501 
  502 #define SCTP_STREAM_CHANGE_DENIED       0x0004
  503 #define SCTP_STREAM_CHANGE_FAILED       0x0008
  504 
  505 
  506 /* SCTP notification event */
  507 struct sctp_tlv {
  508         uint16_t sn_type;
  509         uint16_t sn_flags;
  510         uint32_t sn_length;
  511 };
  512 
  513 union sctp_notification {
  514         struct sctp_tlv sn_header;
  515         struct sctp_assoc_change sn_assoc_change;
  516         struct sctp_paddr_change sn_paddr_change;
  517         struct sctp_remote_error sn_remote_error;
  518         struct sctp_send_failed sn_send_failed;
  519         struct sctp_shutdown_event sn_shutdown_event;
  520         struct sctp_adaptation_event sn_adaptation_event;
  521         /* compatibility same as above */
  522         struct sctp_adaption_event sn_adaption_event;
  523         struct sctp_pdapi_event sn_pdapi_event;
  524         struct sctp_authkey_event sn_auth_event;
  525         struct sctp_sender_dry_event sn_sender_dry_event;
  526         struct sctp_send_failed_event sn_send_failed_event;
  527         struct sctp_stream_reset_event sn_strreset_event;
  528         struct sctp_assoc_reset_event sn_assocreset_event;
  529         struct sctp_stream_change_event sn_strchange_event;
  530 };
  531 
  532 /* notification types */
  533 #define SCTP_ASSOC_CHANGE                       0x0001
  534 #define SCTP_PEER_ADDR_CHANGE                   0x0002
  535 #define SCTP_REMOTE_ERROR                       0x0003
  536 #define SCTP_SEND_FAILED                        0x0004
  537 #define SCTP_SHUTDOWN_EVENT                     0x0005
  538 #define SCTP_ADAPTATION_INDICATION              0x0006
  539 /* same as above */
  540 #define SCTP_ADAPTION_INDICATION                0x0006
  541 #define SCTP_PARTIAL_DELIVERY_EVENT             0x0007
  542 #define SCTP_AUTHENTICATION_EVENT               0x0008
  543 #define SCTP_STREAM_RESET_EVENT                 0x0009
  544 #define SCTP_SENDER_DRY_EVENT                   0x000a
  545 #define SCTP_NOTIFICATIONS_STOPPED_EVENT        0x000b  /* we don't send this */
  546 #define SCTP_ASSOC_RESET_EVENT                  0x000c
  547 #define SCTP_STREAM_CHANGE_EVENT                0x000d
  548 #define SCTP_SEND_FAILED_EVENT                  0x000e
  549 /*
  550  * socket option structs
  551  */
  552 
  553 struct sctp_paddrparams {
  554         struct sockaddr_storage spp_address;
  555         sctp_assoc_t spp_assoc_id;
  556         uint32_t spp_hbinterval;
  557         uint32_t spp_pathmtu;
  558         uint32_t spp_flags;
  559         uint32_t spp_ipv6_flowlabel;
  560         uint16_t spp_pathmaxrxt;
  561         uint8_t spp_dscp;
  562 };
  563 
  564 #define spp_ipv4_tos spp_dscp
  565 
  566 #define SPP_HB_ENABLE           0x00000001
  567 #define SPP_HB_DISABLE          0x00000002
  568 #define SPP_HB_DEMAND           0x00000004
  569 #define SPP_PMTUD_ENABLE        0x00000008
  570 #define SPP_PMTUD_DISABLE       0x00000010
  571 #define SPP_HB_TIME_IS_ZERO     0x00000080
  572 #define SPP_IPV6_FLOWLABEL      0x00000100
  573 #define SPP_DSCP                0x00000200
  574 #define SPP_IPV4_TOS            SPP_DSCP
  575 
  576 struct sctp_paddrthlds {
  577         struct sockaddr_storage spt_address;
  578         sctp_assoc_t spt_assoc_id;
  579         uint16_t spt_pathmaxrxt;
  580         uint16_t spt_pathpfthld;
  581 };
  582 
  583 struct sctp_paddrinfo {
  584         struct sockaddr_storage spinfo_address;
  585         sctp_assoc_t spinfo_assoc_id;
  586         int32_t spinfo_state;
  587         uint32_t spinfo_cwnd;
  588         uint32_t spinfo_srtt;
  589         uint32_t spinfo_rto;
  590         uint32_t spinfo_mtu;
  591 };
  592 
  593 struct sctp_rtoinfo {
  594         sctp_assoc_t srto_assoc_id;
  595         uint32_t srto_initial;
  596         uint32_t srto_max;
  597         uint32_t srto_min;
  598 };
  599 
  600 struct sctp_assocparams {
  601         sctp_assoc_t sasoc_assoc_id;
  602         uint32_t sasoc_peer_rwnd;
  603         uint32_t sasoc_local_rwnd;
  604         uint32_t sasoc_cookie_life;
  605         uint16_t sasoc_asocmaxrxt;
  606         uint16_t sasoc_number_peer_destinations;
  607 };
  608 
  609 struct sctp_setprim {
  610         struct sockaddr_storage ssp_addr;
  611         sctp_assoc_t ssp_assoc_id;
  612         uint8_t ssp_padding[4];
  613 };
  614 
  615 struct sctp_setpeerprim {
  616         struct sockaddr_storage sspp_addr;
  617         sctp_assoc_t sspp_assoc_id;
  618         uint8_t sspp_padding[4];
  619 };
  620 
  621 struct sctp_getaddresses {
  622         sctp_assoc_t sget_assoc_id;
  623         /* addr is filled in for N * sockaddr_storage */
  624         struct sockaddr addr[1];
  625 };
  626 
  627 struct sctp_status {
  628         sctp_assoc_t sstat_assoc_id;
  629         int32_t sstat_state;
  630         uint32_t sstat_rwnd;
  631         uint16_t sstat_unackdata;
  632         uint16_t sstat_penddata;
  633         uint16_t sstat_instrms;
  634         uint16_t sstat_outstrms;
  635         uint32_t sstat_fragmentation_point;
  636         struct sctp_paddrinfo sstat_primary;
  637 };
  638 
  639 /*
  640  * AUTHENTICATION support
  641  */
  642 /* SCTP_AUTH_CHUNK */
  643 struct sctp_authchunk {
  644         uint8_t sauth_chunk;
  645 };
  646 
  647 /* SCTP_AUTH_KEY */
  648 struct sctp_authkey {
  649         sctp_assoc_t sca_assoc_id;
  650         uint16_t sca_keynumber;
  651         uint16_t sca_keylength;
  652         uint8_t sca_key[];
  653 };
  654 
  655 /* SCTP_HMAC_IDENT */
  656 struct sctp_hmacalgo {
  657         uint32_t shmac_number_of_idents;
  658         uint16_t shmac_idents[];
  659 };
  660 
  661 /* AUTH hmac_id */
  662 #define SCTP_AUTH_HMAC_ID_RSVD          0x0000
  663 #define SCTP_AUTH_HMAC_ID_SHA1          0x0001  /* default, mandatory */
  664 #define SCTP_AUTH_HMAC_ID_SHA256        0x0003
  665 
  666 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
  667 struct sctp_authkeyid {
  668         sctp_assoc_t scact_assoc_id;
  669         uint16_t scact_keynumber;
  670 };
  671 
  672 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
  673 struct sctp_authchunks {
  674         sctp_assoc_t gauth_assoc_id;
  675         uint32_t gauth_number_of_chunks;
  676         uint8_t gauth_chunks[];
  677 };
  678 
  679 struct sctp_assoc_value {
  680         sctp_assoc_t assoc_id;
  681         uint32_t assoc_value;
  682 };
  683 
  684 struct sctp_cc_option {
  685         int option;
  686         struct sctp_assoc_value aid_value;
  687 };
  688 
  689 struct sctp_stream_value {
  690         sctp_assoc_t assoc_id;
  691         uint16_t stream_id;
  692         uint16_t stream_value;
  693 };
  694 
  695 struct sctp_assoc_ids {
  696         uint32_t gaids_number_of_ids;
  697         sctp_assoc_t gaids_assoc_id[];
  698 };
  699 
  700 struct sctp_sack_info {
  701         sctp_assoc_t sack_assoc_id;
  702         uint32_t sack_delay;
  703         uint32_t sack_freq;
  704 };
  705 
  706 struct sctp_timeouts {
  707         sctp_assoc_t stimo_assoc_id;
  708         uint32_t stimo_init;
  709         uint32_t stimo_data;
  710         uint32_t stimo_sack;
  711         uint32_t stimo_shutdown;
  712         uint32_t stimo_heartbeat;
  713         uint32_t stimo_cookie;
  714         uint32_t stimo_shutdownack;
  715 };
  716 
  717 struct sctp_udpencaps {
  718         struct sockaddr_storage sue_address;
  719         sctp_assoc_t sue_assoc_id;
  720         uint16_t sue_port;
  721 };
  722 
  723 struct sctp_cwnd_args {
  724         struct sctp_nets *net;  /* network to *//* FIXME: LP64 issue */
  725         uint32_t cwnd_new_value;/* cwnd in k */
  726         uint32_t pseudo_cumack;
  727         uint16_t inflight;      /* flightsize in k */
  728         uint16_t cwnd_augment;  /* increment to it */
  729         uint8_t meets_pseudo_cumack;
  730         uint8_t need_new_pseudo_cumack;
  731         uint8_t cnt_in_send;
  732         uint8_t cnt_in_str;
  733 };
  734 
  735 struct sctp_blk_args {
  736         uint32_t onsb;          /* in 1k bytes */
  737         uint32_t sndlen;        /* len of send being attempted */
  738         uint32_t peer_rwnd;     /* rwnd of peer */
  739         uint16_t send_sent_qcnt;/* chnk cnt */
  740         uint16_t stream_qcnt;   /* chnk cnt */
  741         uint16_t chunks_on_oque;/* chunks out */
  742         uint16_t flight_size;   /* flight size in k */
  743 };
  744 
  745 /*
  746  * Max we can reset in one setting, note this is dictated not by the define
  747  * but the size of a mbuf cluster so don't change this define and think you
  748  * can specify more. You must do multiple resets if you want to reset more
  749  * than SCTP_MAX_EXPLICIT_STR_RESET.
  750  */
  751 #define SCTP_MAX_EXPLICT_STR_RESET   1000
  752 
  753 struct sctp_reset_streams {
  754         sctp_assoc_t srs_assoc_id;
  755         uint16_t srs_flags;
  756         uint16_t srs_number_streams;    /* 0 == ALL */
  757         uint16_t srs_stream_list[];     /* list if strrst_num_streams is not 0 */
  758 };
  759 
  760 struct sctp_add_streams {
  761         sctp_assoc_t sas_assoc_id;
  762         uint16_t sas_instrms;
  763         uint16_t sas_outstrms;
  764 };
  765 
  766 struct sctp_get_nonce_values {
  767         sctp_assoc_t gn_assoc_id;
  768         uint32_t gn_peers_tag;
  769         uint32_t gn_local_tag;
  770 };
  771 
  772 /* Debugging logs */
  773 struct sctp_str_log {
  774         void *stcb;             /* FIXME: LP64 issue */
  775         uint32_t n_tsn;
  776         uint32_t e_tsn;
  777         uint16_t n_sseq;
  778         uint16_t e_sseq;
  779         uint16_t strm;
  780 };
  781 
  782 struct sctp_sb_log {
  783         void *stcb;             /* FIXME: LP64 issue */
  784         uint32_t so_sbcc;
  785         uint32_t stcb_sbcc;
  786         uint32_t incr;
  787 };
  788 
  789 struct sctp_fr_log {
  790         uint32_t largest_tsn;
  791         uint32_t largest_new_tsn;
  792         uint32_t tsn;
  793 };
  794 
  795 struct sctp_fr_map {
  796         uint32_t base;
  797         uint32_t cum;
  798         uint32_t high;
  799 };
  800 
  801 struct sctp_rwnd_log {
  802         uint32_t rwnd;
  803         uint32_t send_size;
  804         uint32_t overhead;
  805         uint32_t new_rwnd;
  806 };
  807 
  808 struct sctp_mbcnt_log {
  809         uint32_t total_queue_size;
  810         uint32_t size_change;
  811         uint32_t total_queue_mb_size;
  812         uint32_t mbcnt_change;
  813 };
  814 
  815 struct sctp_sack_log {
  816         uint32_t cumack;
  817         uint32_t oldcumack;
  818         uint32_t tsn;
  819         uint16_t numGaps;
  820         uint16_t numDups;
  821 };
  822 
  823 struct sctp_lock_log {
  824         void *sock;             /* FIXME: LP64 issue */
  825         void *inp;              /* FIXME: LP64 issue */
  826         uint8_t tcb_lock;
  827         uint8_t inp_lock;
  828         uint8_t info_lock;
  829         uint8_t sock_lock;
  830         uint8_t sockrcvbuf_lock;
  831         uint8_t socksndbuf_lock;
  832         uint8_t create_lock;
  833         uint8_t resv;
  834 };
  835 
  836 struct sctp_rto_log {
  837         void *net;              /* FIXME: LP64 issue */
  838         uint32_t rtt;
  839 };
  840 
  841 struct sctp_nagle_log {
  842         void *stcb;             /* FIXME: LP64 issue */
  843         uint32_t total_flight;
  844         uint32_t total_in_queue;
  845         uint16_t count_in_queue;
  846         uint16_t count_in_flight;
  847 };
  848 
  849 struct sctp_sbwake_log {
  850         void *stcb;             /* FIXME: LP64 issue */
  851         uint16_t send_q;
  852         uint16_t sent_q;
  853         uint16_t flight;
  854         uint16_t wake_cnt;
  855         uint8_t stream_qcnt;    /* chnk cnt */
  856         uint8_t chunks_on_oque; /* chunks out */
  857         uint8_t sbflags;
  858         uint8_t sctpflags;
  859 };
  860 
  861 struct sctp_misc_info {
  862         uint32_t log1;
  863         uint32_t log2;
  864         uint32_t log3;
  865         uint32_t log4;
  866 };
  867 
  868 struct sctp_log_closing {
  869         void *inp;              /* FIXME: LP64 issue */
  870         void *stcb;             /* FIXME: LP64 issue */
  871         uint32_t sctp_flags;
  872         uint16_t state;
  873         int16_t loc;
  874 };
  875 
  876 struct sctp_mbuf_log {
  877         struct mbuf *mp;        /* FIXME: LP64 issue */
  878         caddr_t ext;
  879         caddr_t data;
  880         uint16_t size;
  881         uint8_t refcnt;
  882         uint8_t mbuf_flags;
  883 };
  884 
  885 struct sctp_cwnd_log {
  886         uint64_t time_event;
  887         uint8_t from;
  888         uint8_t event_type;
  889         uint8_t resv[2];
  890         union {
  891                 struct sctp_log_closing close;
  892                 struct sctp_blk_args blk;
  893                 struct sctp_cwnd_args cwnd;
  894                 struct sctp_str_log strlog;
  895                 struct sctp_fr_log fr;
  896                 struct sctp_fr_map map;
  897                 struct sctp_rwnd_log rwnd;
  898                 struct sctp_mbcnt_log mbcnt;
  899                 struct sctp_sack_log sack;
  900                 struct sctp_lock_log lock;
  901                 struct sctp_rto_log rto;
  902                 struct sctp_sb_log sb;
  903                 struct sctp_nagle_log nagle;
  904                 struct sctp_sbwake_log wake;
  905                 struct sctp_mbuf_log mb;
  906                 struct sctp_misc_info misc;
  907         }     x;
  908 };
  909 
  910 struct sctp_cwnd_log_req {
  911         int32_t num_in_log;     /* Number in log */
  912         int32_t num_ret;        /* Number returned */
  913         int32_t start_at;       /* start at this one */
  914         int32_t end_at;         /* end at this one */
  915         struct sctp_cwnd_log log[];
  916 };
  917 
  918 struct sctp_timeval {
  919         uint32_t tv_sec;
  920         uint32_t tv_usec;
  921 };
  922 
  923 struct sctpstat {
  924         struct sctp_timeval sctps_discontinuitytime;    /* sctpStats 18
  925                                                          * (TimeStamp) */
  926         /* MIB according to RFC 3873 */
  927         uint32_t sctps_currestab;       /* sctpStats  1   (Gauge32) */
  928         uint32_t sctps_activeestab;     /* sctpStats  2 (Counter32) */
  929         uint32_t sctps_restartestab;
  930         uint32_t sctps_collisionestab;
  931         uint32_t sctps_passiveestab;    /* sctpStats  3 (Counter32) */
  932         uint32_t sctps_aborted; /* sctpStats  4 (Counter32) */
  933         uint32_t sctps_shutdown;/* sctpStats  5 (Counter32) */
  934         uint32_t sctps_outoftheblue;    /* sctpStats  6 (Counter32) */
  935         uint32_t sctps_checksumerrors;  /* sctpStats  7 (Counter32) */
  936         uint32_t sctps_outcontrolchunks;        /* sctpStats  8 (Counter64) */
  937         uint32_t sctps_outorderchunks;  /* sctpStats  9 (Counter64) */
  938         uint32_t sctps_outunorderchunks;        /* sctpStats 10 (Counter64) */
  939         uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
  940         uint32_t sctps_inorderchunks;   /* sctpStats 12 (Counter64) */
  941         uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
  942         uint32_t sctps_fragusrmsgs;     /* sctpStats 14 (Counter64) */
  943         uint32_t sctps_reasmusrmsgs;    /* sctpStats 15 (Counter64) */
  944         uint32_t sctps_outpackets;      /* sctpStats 16 (Counter64) */
  945         uint32_t sctps_inpackets;       /* sctpStats 17 (Counter64) */
  946 
  947         /* input statistics: */
  948         uint32_t sctps_recvpackets;     /* total input packets        */
  949         uint32_t sctps_recvdatagrams;   /* total input datagrams      */
  950         uint32_t sctps_recvpktwithdata; /* total packets that had data */
  951         uint32_t sctps_recvsacks;       /* total input SACK chunks    */
  952         uint32_t sctps_recvdata;/* total input DATA chunks    */
  953         uint32_t sctps_recvdupdata;     /* total input duplicate DATA chunks */
  954         uint32_t sctps_recvheartbeat;   /* total input HB chunks      */
  955         uint32_t sctps_recvheartbeatack;        /* total input HB-ACK chunks  */
  956         uint32_t sctps_recvecne;/* total input ECNE chunks    */
  957         uint32_t sctps_recvauth;/* total input AUTH chunks    */
  958         uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
  959         uint32_t sctps_recvivalhmacid;  /* total number of invalid HMAC ids
  960                                          * received */
  961         uint32_t sctps_recvivalkeyid;   /* total number of invalid secret ids
  962                                          * received */
  963         uint32_t sctps_recvauthfailed;  /* total number of auth failed */
  964         uint32_t sctps_recvexpress;     /* total fast path receives all one
  965                                          * chunk */
  966         uint32_t sctps_recvexpressm;    /* total fast path multi-part data */
  967         uint32_t sctps_recvnocrc;
  968         uint32_t sctps_recvswcrc;
  969         uint32_t sctps_recvhwcrc;
  970 
  971         /* output statistics: */
  972         uint32_t sctps_sendpackets;     /* total output packets       */
  973         uint32_t sctps_sendsacks;       /* total output SACKs         */
  974         uint32_t sctps_senddata;/* total output DATA chunks   */
  975         uint32_t sctps_sendretransdata; /* total output retransmitted DATA
  976                                          * chunks */
  977         uint32_t sctps_sendfastretrans; /* total output fast retransmitted
  978                                          * DATA chunks */
  979         uint32_t sctps_sendmultfastretrans;     /* total FR's that happened
  980                                                  * more than once to same
  981                                                  * chunk (u-del multi-fr
  982                                                  * algo). */
  983         uint32_t sctps_sendheartbeat;   /* total output HB chunks     */
  984         uint32_t sctps_sendecne;/* total output ECNE chunks    */
  985         uint32_t sctps_sendauth;/* total output AUTH chunks FIXME   */
  986         uint32_t sctps_senderrors;      /* ip_output error counter */
  987         uint32_t sctps_sendnocrc;
  988         uint32_t sctps_sendswcrc;
  989         uint32_t sctps_sendhwcrc;
  990         /* PCKDROPREP statistics: */
  991         uint32_t sctps_pdrpfmbox;       /* Packet drop from middle box */
  992         uint32_t sctps_pdrpfehos;       /* P-drop from end host */
  993         uint32_t sctps_pdrpmbda;/* P-drops with data */
  994         uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
  995         uint32_t sctps_pdrpbwrpt;       /* P-drop, non-endhost, bandwidth rep
  996                                          * only */
  997         uint32_t sctps_pdrpcrupt;       /* P-drop, not enough for chunk header */
  998         uint32_t sctps_pdrpnedat;       /* P-drop, not enough data to confirm */
  999         uint32_t sctps_pdrppdbrk;       /* P-drop, where process_chunk_drop
 1000                                          * said break */
 1001         uint32_t sctps_pdrptsnnf;       /* P-drop, could not find TSN */
 1002         uint32_t sctps_pdrpdnfnd;       /* P-drop, attempt reverse TSN lookup */
 1003         uint32_t sctps_pdrpdiwnp;       /* P-drop, e-host confirms zero-rwnd */
 1004         uint32_t sctps_pdrpdizrw;       /* P-drop, midbox confirms no space */
 1005         uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
 1006         uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
 1007         /* timeouts */
 1008         uint32_t sctps_timoiterator;    /* Number of iterator timers that
 1009                                          * fired */
 1010         uint32_t sctps_timodata;/* Number of T3 data time outs */
 1011         uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
 1012                                          * that fired */
 1013         uint32_t sctps_timoinit;/* Number of INIT timers that fired */
 1014         uint32_t sctps_timosack;/* Number of sack timers that fired */
 1015         uint32_t sctps_timoshutdown;    /* Number of shutdown timers that
 1016                                          * fired */
 1017         uint32_t sctps_timoheartbeat;   /* Number of heartbeat timers that
 1018                                          * fired */
 1019         uint32_t sctps_timocookie;      /* Number of times a cookie timeout
 1020                                          * fired */
 1021         uint32_t sctps_timosecret;      /* Number of times an endpoint changed
 1022                                          * its cookie secret */
 1023         uint32_t sctps_timopathmtu;     /* Number of PMTU timers that fired */
 1024         uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
 1025                                          * fired */
 1026         uint32_t sctps_timoshutdownguard;       /* Number of shutdown guard
 1027                                                  * timers that fired */
 1028         uint32_t sctps_timostrmrst;     /* Number of stream reset timers that
 1029                                          * fired */
 1030         uint32_t sctps_timoearlyfr;     /* Number of early FR timers that
 1031                                          * fired */
 1032         uint32_t sctps_timoasconf;      /* Number of times an asconf timer
 1033                                          * fired */
 1034         uint32_t sctps_timodelprim;     /* Number of times a prim_deleted
 1035                                          * timer fired */
 1036         uint32_t sctps_timoautoclose;   /* Number of times auto close timer
 1037                                          * fired */
 1038         uint32_t sctps_timoassockill;   /* Number of asoc free timers expired */
 1039         uint32_t sctps_timoinpkill;     /* Number of inp free timers expired */
 1040         /* former early FR counters */
 1041         uint32_t sctps_spare[11];
 1042         /* others */
 1043         uint32_t sctps_hdrops;  /* packet shorter than header */
 1044         uint32_t sctps_badsum;  /* checksum error             */
 1045         uint32_t sctps_noport;  /* no endpoint for port       */
 1046         uint32_t sctps_badvtag; /* bad v-tag                  */
 1047         uint32_t sctps_badsid;  /* bad SID                    */
 1048         uint32_t sctps_nomem;   /* no memory                  */
 1049         uint32_t sctps_fastretransinrtt;        /* number of multiple FR in a
 1050                                                  * RTT window */
 1051         uint32_t sctps_markedretrans;
 1052         uint32_t sctps_naglesent;       /* nagle allowed sending      */
 1053         uint32_t sctps_naglequeued;     /* nagle doesn't allow sending */
 1054         uint32_t sctps_maxburstqueued;  /* max burst doesn't allow sending */
 1055         uint32_t sctps_ifnomemqueued;   /* look ahead tells us no memory in
 1056                                          * interface ring buffer OR we had a
 1057                                          * send error and are queuing one
 1058                                          * send. */
 1059         uint32_t sctps_windowprobed;    /* total number of window probes sent */
 1060         uint32_t sctps_lowlevelerr;     /* total times an output error causes
 1061                                          * us to clamp down on next user send. */
 1062         uint32_t sctps_lowlevelerrusr;  /* total times sctp_senderrors were
 1063                                          * caused from a user send from a user
 1064                                          * invoked send not a sack response */
 1065         uint32_t sctps_datadropchklmt;  /* Number of in data drops due to
 1066                                          * chunk limit reached */
 1067         uint32_t sctps_datadroprwnd;    /* Number of in data drops due to rwnd
 1068                                          * limit reached */
 1069         uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
 1070                                          * cwnd */
 1071         uint32_t sctps_vtagexpress;     /* Used express lookup via vtag */
 1072         uint32_t sctps_vtagbogus;       /* Collision in express lookup. */
 1073         uint32_t sctps_primary_randry;  /* Number of times the sender ran dry
 1074                                          * of user data on primary */
 1075         uint32_t sctps_cmt_randry;      /* Same for above */
 1076         uint32_t sctps_slowpath_sack;   /* Sacks the slow way */
 1077         uint32_t sctps_wu_sacks_sent;   /* Window Update only sacks sent */
 1078         uint32_t sctps_sends_with_flags;        /* number of sends with
 1079                                                  * sinfo_flags !=0 */
 1080         uint32_t sctps_sends_with_unord;        /* number of unordered sends */
 1081         uint32_t sctps_sends_with_eof;  /* number of sends with EOF flag set */
 1082         uint32_t sctps_sends_with_abort;        /* number of sends with ABORT
 1083                                                  * flag set */
 1084         uint32_t sctps_protocol_drain_calls;    /* number of times protocol
 1085                                                  * drain called */
 1086         uint32_t sctps_protocol_drains_done;    /* number of times we did a
 1087                                                  * protocol drain */
 1088         uint32_t sctps_read_peeks;      /* Number of times recv was called
 1089                                          * with peek */
 1090         uint32_t sctps_cached_chk;      /* Number of cached chunks used */
 1091         uint32_t sctps_cached_strmoq;   /* Number of cached stream oq's used */
 1092         uint32_t sctps_left_abandon;    /* Number of unread messages abandoned
 1093                                          * by close */
 1094         uint32_t sctps_send_burst_avoid;        /* Unused */
 1095         uint32_t sctps_send_cwnd_avoid; /* Send cwnd full  avoidance, already
 1096                                          * max burst inflight to net */
 1097         uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
 1098                                          * fwd-tsn's */
 1099         uint32_t sctps_queue_upd_ecne;  /* Number of times we queued or
 1100                                          * updated an ECN chunk on send queue */
 1101         uint32_t sctps_reserved[31];    /* Future ABI compat - remove int's
 1102                                          * from here when adding new */
 1103 };
 1104 
 1105 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
 1106 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
 1107 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
 1108 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
 1109 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
 1110 #else
 1111 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
 1112 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
 1113 #endif
 1114 /* The following macros are for handling MIB values, */
 1115 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
 1116 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
 1117 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
 1118 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
 1119 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
 1120 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
 1121 
 1122 union sctp_sockstore {
 1123         struct sockaddr_in sin;
 1124         struct sockaddr_in6 sin6;
 1125         struct sockaddr sa;
 1126 };
 1127 
 1128 
 1129 /***********************************/
 1130 /* And something for us old timers */
 1131 /***********************************/
 1132 
 1133 #ifndef ntohll
 1134 #include <sys/endian.h>
 1135 #define ntohll(x) be64toh(x)
 1136 #endif
 1137 
 1138 #ifndef htonll
 1139 #include <sys/endian.h>
 1140 #define htonll(x) htobe64(x)
 1141 #endif
 1142 /***********************************/
 1143 
 1144 
 1145 struct xsctp_inpcb {
 1146         uint32_t last;
 1147         uint32_t flags;
 1148         uint64_t features;
 1149         uint32_t total_sends;
 1150         uint32_t total_recvs;
 1151         uint32_t total_nospaces;
 1152         uint32_t fragmentation_point;
 1153         uint16_t local_port;
 1154         uint16_t qlen;
 1155         uint16_t maxqlen;
 1156         uint32_t extra_padding[31];     /* future */
 1157 };
 1158 
 1159 struct xsctp_tcb {
 1160         union sctp_sockstore primary_addr;      /* sctpAssocEntry 5/6 */
 1161         uint32_t last;
 1162         uint32_t heartbeat_interval;    /* sctpAssocEntry 7   */
 1163         uint32_t state;         /* sctpAssocEntry 8   */
 1164         uint32_t in_streams;    /* sctpAssocEntry 9   */
 1165         uint32_t out_streams;   /* sctpAssocEntry 10  */
 1166         uint32_t max_nr_retrans;/* sctpAssocEntry 11  */
 1167         uint32_t primary_process;       /* sctpAssocEntry 12  */
 1168         uint32_t T1_expireries; /* sctpAssocEntry 13  */
 1169         uint32_t T2_expireries; /* sctpAssocEntry 14  */
 1170         uint32_t retransmitted_tsns;    /* sctpAssocEntry 15  */
 1171         uint32_t total_sends;
 1172         uint32_t total_recvs;
 1173         uint32_t local_tag;
 1174         uint32_t remote_tag;
 1175         uint32_t initial_tsn;
 1176         uint32_t highest_tsn;
 1177         uint32_t cumulative_tsn;
 1178         uint32_t cumulative_tsn_ack;
 1179         uint32_t mtu;
 1180         uint32_t refcnt;
 1181         uint16_t local_port;    /* sctpAssocEntry 3   */
 1182         uint16_t remote_port;   /* sctpAssocEntry 4   */
 1183         struct sctp_timeval start_time; /* sctpAssocEntry 16  */
 1184         struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17  */
 1185         uint32_t peers_rwnd;
 1186         sctp_assoc_t assoc_id;  /* sctpAssocEntry 1   */
 1187         uint32_t extra_padding[32];     /* future */
 1188 };
 1189 
 1190 struct xsctp_laddr {
 1191         union sctp_sockstore address;   /* sctpAssocLocalAddrEntry 1/2 */
 1192         uint32_t last;
 1193         struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3   */
 1194         uint32_t extra_padding[32];     /* future */
 1195 };
 1196 
 1197 struct xsctp_raddr {
 1198         union sctp_sockstore address;   /* sctpAssocLocalRemEntry 1/2 */
 1199         uint32_t last;
 1200         uint32_t rto;           /* sctpAssocLocalRemEntry 5   */
 1201         uint32_t max_path_rtx;  /* sctpAssocLocalRemEntry 6   */
 1202         uint32_t rtx;           /* sctpAssocLocalRemEntry 7   */
 1203         uint32_t error_counter; /* */
 1204         uint32_t cwnd;          /* */
 1205         uint32_t flight_size;   /* */
 1206         uint32_t mtu;           /* */
 1207         uint8_t active;         /* sctpAssocLocalRemEntry 3   */
 1208         uint8_t confirmed;      /* */
 1209         uint8_t heartbeat_enabled;      /* sctpAssocLocalRemEntry 4   */
 1210         uint8_t potentially_failed;
 1211         struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8   */
 1212         uint32_t rtt;
 1213         uint32_t heartbeat_interval;
 1214         uint32_t extra_padding[31];     /* future */
 1215 };
 1216 
 1217 #define SCTP_MAX_LOGGING_SIZE 30000
 1218 #define SCTP_TRACE_PARAMS 6     /* This number MUST be even   */
 1219 
 1220 struct sctp_log_entry {
 1221         uint64_t timestamp;
 1222         uint32_t subsys;
 1223         uint32_t padding;
 1224         uint32_t params[SCTP_TRACE_PARAMS];
 1225 };
 1226 
 1227 struct sctp_log {
 1228         struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
 1229         uint32_t index;
 1230         uint32_t padding;
 1231 };
 1232 
 1233 /*
 1234  * Kernel defined for sctp_send
 1235  */
 1236 #if defined(_KERNEL) || defined(__Userspace__)
 1237 int
 1238 sctp_lower_sosend(struct socket *so,
 1239     struct sockaddr *addr,
 1240     struct uio *uio,
 1241     struct mbuf *i_pak,
 1242     struct mbuf *control,
 1243     int flags,
 1244     struct sctp_sndrcvinfo *srcv
 1245     ,struct thread *p
 1246 );
 1247 
 1248 int
 1249 sctp_sorecvmsg(struct socket *so,
 1250     struct uio *uio,
 1251     struct mbuf **mp,
 1252     struct sockaddr *from,
 1253     int fromlen,
 1254     int *msg_flags,
 1255     struct sctp_sndrcvinfo *sinfo,
 1256     int filling_sinfo);
 1257 
 1258 #endif
 1259 
 1260 /*
 1261  * API system calls
 1262  */
 1263 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
 1264 
 1265 __BEGIN_DECLS
 1266 int sctp_peeloff(int, sctp_assoc_t);
 1267 int sctp_bindx(int, struct sockaddr *, int, int);
 1268 int sctp_connectx(int, const struct sockaddr *, int, sctp_assoc_t *);
 1269 int sctp_getaddrlen(sa_family_t);
 1270 int sctp_getpaddrs(int, sctp_assoc_t, struct sockaddr **);
 1271 void sctp_freepaddrs(struct sockaddr *);
 1272 int sctp_getladdrs(int, sctp_assoc_t, struct sockaddr **);
 1273 void sctp_freeladdrs(struct sockaddr *);
 1274 int sctp_opt_info(int, sctp_assoc_t, int, void *, socklen_t *);
 1275 
 1276 /* deprecated */
 1277 ssize_t 
 1278 sctp_sendmsg(int, const void *, size_t, const struct sockaddr *,
 1279     socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
 1280 
 1281 /* deprecated */
 1282 ssize_t 
 1283 sctp_send(int, const void *, size_t,
 1284     const struct sctp_sndrcvinfo *, int);
 1285 
 1286 /* deprecated */
 1287 ssize_t 
 1288 sctp_sendx(int, const void *, size_t, struct sockaddr *,
 1289     int, struct sctp_sndrcvinfo *, int);
 1290 
 1291 /* deprecated */
 1292 ssize_t 
 1293 sctp_sendmsgx(int sd, const void *, size_t, struct sockaddr *,
 1294     int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t);
 1295 
 1296 sctp_assoc_t sctp_getassocid(int, struct sockaddr *);
 1297 
 1298 /* deprecated */
 1299 ssize_t 
 1300 sctp_recvmsg(int, void *, size_t, struct sockaddr *, socklen_t *,
 1301     struct sctp_sndrcvinfo *, int *);
 1302 
 1303 ssize_t 
 1304 sctp_sendv(int, const struct iovec *, int, struct sockaddr *,
 1305     int, void *, socklen_t, unsigned int, int);
 1306 
 1307 ssize_t 
 1308 sctp_recvv(int, const struct iovec *, int, struct sockaddr *,
 1309     socklen_t *, void *, socklen_t *, unsigned int *, int *);
 1310 
 1311 __END_DECLS
 1312 
 1313 #endif                          /* !_KERNEL */
 1314 #endif                          /* !__sctp_uio_h__ */

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