The Design and Implementation of the FreeBSD Operating System, Second Edition
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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) 2008-2011, by Randall Stewart. All rights reserved.
    4  * Copyright (c) 2008-2011, 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 /* $KAME: sctp_uio.h,v 1.11 2005/03/06 16:04:18 itojun Exp $     */
   34 #include <sys/cdefs.h>
   35 __FBSDID("$FreeBSD: releng/9.0/sys/netinet/sctp_uio.h 227949 2011-11-24 18:57:31Z tuexen $");
   36 
   37 #ifndef __sctp_uio_h__
   38 #define __sctp_uio_h__
   39 
   40 
   41 #if ! defined(_KERNEL)
   42 #include <stdint.h>
   43 #endif
   44 #include <sys/types.h>
   45 #include <sys/socket.h>
   46 #include <netinet/in.h>
   47 
   48 typedef uint32_t sctp_assoc_t;
   49 
   50 #define SCTP_FUTURE_ASSOC  0
   51 #define SCTP_CURRENT_ASSOC 1
   52 #define SCTP_ALL_ASSOC     2
   53 
   54 struct sctp_event {
   55         sctp_assoc_t se_assoc_id;
   56         uint16_t se_type;
   57         uint8_t se_on;
   58 };
   59 
   60 /* Compatibility to previous define's */
   61 #define sctp_stream_reset_events sctp_stream_reset_event
   62 
   63 /* On/Off setup for subscription to events */
   64 struct sctp_event_subscribe {
   65         uint8_t sctp_data_io_event;
   66         uint8_t sctp_association_event;
   67         uint8_t sctp_address_event;
   68         uint8_t sctp_send_failure_event;
   69         uint8_t sctp_peer_error_event;
   70         uint8_t sctp_shutdown_event;
   71         uint8_t sctp_partial_delivery_event;
   72         uint8_t sctp_adaptation_layer_event;
   73         uint8_t sctp_authentication_event;
   74         uint8_t sctp_sender_dry_event;
   75         uint8_t sctp_stream_reset_event;
   76 };
   77 
   78 /* ancillary data types */
   79 #define SCTP_INIT       0x0001
   80 #define SCTP_SNDRCV     0x0002
   81 #define SCTP_EXTRCV     0x0003
   82 #define SCTP_SNDINFO    0x0004
   83 #define SCTP_RCVINFO    0x0005
   84 #define SCTP_NXTINFO    0x0006
   85 #define SCTP_PRINFO     0x0007
   86 #define SCTP_AUTHINFO   0x0008
   87 #define SCTP_DSTADDRV4  0x0009
   88 #define SCTP_DSTADDRV6  0x000a
   89 
   90 /*
   91  * ancillary data structures
   92  */
   93 struct sctp_initmsg {
   94         uint16_t sinit_num_ostreams;
   95         uint16_t sinit_max_instreams;
   96         uint16_t sinit_max_attempts;
   97         uint16_t sinit_max_init_timeo;
   98 };
   99 
  100 /* We add 96 bytes to the size of sctp_sndrcvinfo.
  101  * This makes the current structure 128 bytes long
  102  * which is nicely 64 bit aligned but also has room
  103  * for us to add more and keep ABI compatibility.
  104  * For example, already we have the sctp_extrcvinfo
  105  * when enabled which is 48 bytes.
  106  */
  107 
  108 /*
  109  * The assoc up needs a verfid
  110  * all sendrcvinfo's need a verfid for SENDING only.
  111  */
  112 
  113 
  114 #define SCTP_ALIGN_RESV_PAD 92
  115 #define SCTP_ALIGN_RESV_PAD_SHORT 76
  116 
  117 struct sctp_sndrcvinfo {
  118         uint16_t sinfo_stream;
  119         uint16_t sinfo_ssn;
  120         uint16_t sinfo_flags;
  121         uint32_t sinfo_ppid;
  122         uint32_t sinfo_context;
  123         uint32_t sinfo_timetolive;
  124         uint32_t sinfo_tsn;
  125         uint32_t sinfo_cumtsn;
  126         sctp_assoc_t sinfo_assoc_id;
  127         uint16_t sinfo_keynumber;
  128         uint16_t sinfo_keynumber_valid;
  129         uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD];
  130 };
  131 
  132 struct sctp_extrcvinfo {
  133         uint16_t sinfo_stream;
  134         uint16_t sinfo_ssn;
  135         uint16_t sinfo_flags;
  136         uint32_t sinfo_ppid;
  137         uint32_t sinfo_context;
  138         uint32_t sinfo_timetolive;
  139         uint32_t sinfo_tsn;
  140         uint32_t sinfo_cumtsn;
  141         sctp_assoc_t sinfo_assoc_id;
  142         uint16_t sreinfo_next_flags;
  143         uint16_t sreinfo_next_stream;
  144         uint32_t sreinfo_next_aid;
  145         uint32_t sreinfo_next_length;
  146         uint32_t sreinfo_next_ppid;
  147         uint16_t sinfo_keynumber;
  148         uint16_t sinfo_keynumber_valid;
  149         uint8_t __reserve_pad[SCTP_ALIGN_RESV_PAD_SHORT];
  150 };
  151 
  152 struct sctp_sndinfo {
  153         uint16_t snd_sid;
  154         uint16_t snd_flags;
  155         uint32_t snd_ppid;
  156         uint32_t snd_context;
  157         sctp_assoc_t snd_assoc_id;
  158 };
  159 
  160 struct sctp_prinfo {
  161         uint16_t pr_policy;
  162         uint32_t pr_value;
  163 };
  164 
  165 struct sctp_default_prinfo {
  166         uint16_t pr_policy;
  167         uint32_t pr_value;
  168         sctp_assoc_t pr_assoc_id;
  169 };
  170 
  171 struct sctp_authinfo {
  172         uint16_t auth_keyid;
  173 };
  174 
  175 struct sctp_rcvinfo {
  176         uint16_t rcv_sid;
  177         uint16_t rcv_ssn;
  178         uint16_t rcv_flags;
  179         uint32_t rcv_ppid;
  180         uint32_t rcv_tsn;
  181         uint32_t rcv_cumtsn;
  182         uint32_t rcv_context;
  183         sctp_assoc_t rcv_assoc_id;
  184 };
  185 
  186 struct sctp_nxtinfo {
  187         uint16_t nxt_sid;
  188         uint16_t nxt_flags;
  189         uint32_t nxt_ppid;
  190         uint32_t nxt_length;
  191         sctp_assoc_t nxt_assoc_id;
  192 };
  193 
  194 #define SCTP_NO_NEXT_MSG           0x0000
  195 #define SCTP_NEXT_MSG_AVAIL        0x0001
  196 #define SCTP_NEXT_MSG_ISCOMPLETE   0x0002
  197 #define SCTP_NEXT_MSG_IS_UNORDERED 0x0004
  198 #define SCTP_NEXT_MSG_IS_NOTIFICATION 0x0008
  199 
  200 struct sctp_recvv_rn {
  201         struct sctp_rcvinfo recvv_rcvinfo;
  202         struct sctp_nxtinfo recvv_nxtinfo;
  203 };
  204 
  205 #define SCTP_RECVV_NOINFO  0
  206 #define SCTP_RECVV_RCVINFO 1
  207 #define SCTP_RECVV_NXTINFO 2
  208 #define SCTP_RECVV_RN      3
  209 
  210 #define SCTP_SENDV_NOINFO   0
  211 #define SCTP_SENDV_SNDINFO  1
  212 #define SCTP_SENDV_PRINFO   2
  213 #define SCTP_SENDV_AUTHINFO 3
  214 #define SCTP_SENDV_SPA      4
  215 
  216 struct sctp_sendv_spa {
  217         uint32_t sendv_flags;
  218         struct sctp_sndinfo sendv_sndinfo;
  219         struct sctp_prinfo sendv_prinfo;
  220         struct sctp_authinfo sendv_authinfo;
  221 };
  222 
  223 #define SCTP_SEND_SNDINFO_VALID  0x00000001
  224 #define SCTP_SEND_PRINFO_VALID   0x00000002
  225 #define SCTP_SEND_AUTHINFO_VALID 0x00000004
  226 
  227 struct sctp_snd_all_completes {
  228         uint16_t sall_stream;
  229         uint16_t sall_flags;
  230         uint32_t sall_ppid;
  231         uint32_t sall_context;
  232         uint32_t sall_num_sent;
  233         uint32_t sall_num_failed;
  234 };
  235 
  236 /* Flags that go into the sinfo->sinfo_flags field */
  237 #define SCTP_NOTIFICATION     0x0010    /* next message is a notification */
  238 #define SCTP_COMPLETE         0x0020    /* next message is complete */
  239 #define SCTP_EOF              0x0100    /* Start shutdown procedures */
  240 #define SCTP_ABORT            0x0200    /* Send an ABORT to peer */
  241 #define SCTP_UNORDERED        0x0400    /* Message is un-ordered */
  242 #define SCTP_ADDR_OVER        0x0800    /* Override the primary-address */
  243 #define SCTP_SENDALL          0x1000    /* Send this on all associations */
  244 #define SCTP_EOR              0x2000    /* end of message signal */
  245 #define SCTP_SACK_IMMEDIATELY 0x4000    /* Set I-Bit */
  246 
  247 #define INVALID_SINFO_FLAG(x) (((x) & 0xfffffff0 \
  248                                     & ~(SCTP_EOF | SCTP_ABORT | SCTP_UNORDERED |\
  249                                         SCTP_ADDR_OVER | SCTP_SENDALL | SCTP_EOR |\
  250                                         SCTP_SACK_IMMEDIATELY)) != 0)
  251 /* for the endpoint */
  252 
  253 /* The lower byte is an enumeration of PR-SCTP policies */
  254 #define SCTP_PR_SCTP_NONE 0x0000/* Reliable transfer */
  255 #define SCTP_PR_SCTP_TTL  0x0001/* Time based PR-SCTP */
  256 #define SCTP_PR_SCTP_BUF  0x0002/* Buffer based PR-SCTP */
  257 #define SCTP_PR_SCTP_RTX  0x0003/* Number of retransmissions based PR-SCTP */
  258 
  259 #define PR_SCTP_POLICY(x)         ((x) & 0x0f)
  260 #define PR_SCTP_ENABLED(x)        (PR_SCTP_POLICY(x) != SCTP_PR_SCTP_NONE)
  261 #define PR_SCTP_TTL_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_TTL)
  262 #define PR_SCTP_BUF_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_BUF)
  263 #define PR_SCTP_RTX_ENABLED(x)    (PR_SCTP_POLICY(x) == SCTP_PR_SCTP_RTX)
  264 #define PR_SCTP_INVALID_POLICY(x) (PR_SCTP_POLICY(x) > SCTP_PR_SCTP_RTX)
  265 /* Stat's */
  266 struct sctp_pcbinfo {
  267         uint32_t ep_count;
  268         uint32_t asoc_count;
  269         uint32_t laddr_count;
  270         uint32_t raddr_count;
  271         uint32_t chk_count;
  272         uint32_t readq_count;
  273         uint32_t free_chunks;
  274         uint32_t stream_oque;
  275 };
  276 
  277 struct sctp_sockstat {
  278         sctp_assoc_t ss_assoc_id;
  279         uint32_t ss_total_sndbuf;
  280         uint32_t ss_total_recv_buf;
  281 };
  282 
  283 /*
  284  * notification event structures
  285  */
  286 
  287 /*
  288  * association change event
  289  */
  290 struct sctp_assoc_change {
  291         uint16_t sac_type;
  292         uint16_t sac_flags;
  293         uint32_t sac_length;
  294         uint16_t sac_state;
  295         uint16_t sac_error;
  296         uint16_t sac_outbound_streams;
  297         uint16_t sac_inbound_streams;
  298         sctp_assoc_t sac_assoc_id;
  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 
  309 /*
  310  * Address event
  311  */
  312 struct sctp_paddr_change {
  313         uint16_t spc_type;
  314         uint16_t spc_flags;
  315         uint32_t spc_length;
  316         struct sockaddr_storage spc_aaddr;
  317         uint32_t spc_state;
  318         uint32_t spc_error;
  319         sctp_assoc_t spc_assoc_id;
  320         uint8_t spc_padding[4];
  321 };
  322 
  323 /* paddr state values */
  324 #define SCTP_ADDR_AVAILABLE     0x0001
  325 #define SCTP_ADDR_UNREACHABLE   0x0002
  326 #define SCTP_ADDR_REMOVED       0x0003
  327 #define SCTP_ADDR_ADDED         0x0004
  328 #define SCTP_ADDR_MADE_PRIM     0x0005
  329 #define SCTP_ADDR_CONFIRMED     0x0006
  330 
  331 #define SCTP_ACTIVE             0x0001  /* SCTP_ADDR_REACHABLE */
  332 #define SCTP_INACTIVE           0x0002  /* neither SCTP_ADDR_REACHABLE nor
  333                                          * SCTP_ADDR_UNCONFIRMED */
  334 #define SCTP_UNCONFIRMED        0x0200  /* SCTP_ADDR_UNCONFIRMED */
  335 
  336 /* remote error events */
  337 struct sctp_remote_error {
  338         uint16_t sre_type;
  339         uint16_t sre_flags;
  340         uint32_t sre_length;
  341         uint16_t sre_error;
  342         sctp_assoc_t sre_assoc_id;
  343         uint8_t sre_data[4];
  344 };
  345 
  346 /* data send failure event */
  347 struct sctp_send_failed {
  348         uint16_t ssf_type;
  349         uint16_t ssf_flags;
  350         uint32_t ssf_length;
  351         uint32_t ssf_error;
  352         struct sctp_sndrcvinfo ssf_info;
  353         sctp_assoc_t ssf_assoc_id;
  354         uint8_t ssf_data[];
  355 };
  356 
  357 /* flag that indicates state of data */
  358 #define SCTP_DATA_UNSENT        0x0001  /* inqueue never on wire */
  359 #define SCTP_DATA_SENT          0x0002  /* on wire at failure */
  360 
  361 /* shutdown event */
  362 struct sctp_shutdown_event {
  363         uint16_t sse_type;
  364         uint16_t sse_flags;
  365         uint32_t sse_length;
  366         sctp_assoc_t sse_assoc_id;
  367 };
  368 
  369 /* Adaptation layer indication stuff */
  370 struct sctp_adaptation_event {
  371         uint16_t sai_type;
  372         uint16_t sai_flags;
  373         uint32_t sai_length;
  374         uint32_t sai_adaptation_ind;
  375         sctp_assoc_t sai_assoc_id;
  376 };
  377 
  378 struct sctp_setadaptation {
  379         uint32_t ssb_adaptation_ind;
  380 };
  381 
  382 /* compatible old spelling */
  383 struct sctp_adaption_event {
  384         uint16_t sai_type;
  385         uint16_t sai_flags;
  386         uint32_t sai_length;
  387         uint32_t sai_adaption_ind;
  388         sctp_assoc_t sai_assoc_id;
  389 };
  390 
  391 struct sctp_setadaption {
  392         uint32_t ssb_adaption_ind;
  393 };
  394 
  395 
  396 /*
  397  * Partial Delivery API event
  398  */
  399 struct sctp_pdapi_event {
  400         uint16_t pdapi_type;
  401         uint16_t pdapi_flags;
  402         uint32_t pdapi_length;
  403         uint32_t pdapi_indication;
  404         uint16_t pdapi_stream;
  405         uint16_t pdapi_seq;
  406         sctp_assoc_t pdapi_assoc_id;
  407 };
  408 
  409 /* indication values */
  410 #define SCTP_PARTIAL_DELIVERY_ABORTED   0x0001
  411 
  412 
  413 /*
  414  * authentication key event
  415  */
  416 struct sctp_authkey_event {
  417         uint16_t auth_type;
  418         uint16_t auth_flags;
  419         uint32_t auth_length;
  420         uint16_t auth_keynumber;
  421         uint16_t auth_altkeynumber;
  422         uint32_t auth_indication;
  423         sctp_assoc_t auth_assoc_id;
  424 };
  425 
  426 /* indication values */
  427 #define SCTP_AUTH_NEWKEY        0x0001
  428 #define SCTP_AUTH_NO_AUTH       0x0002
  429 #define SCTP_AUTH_FREE_KEY      0x0003
  430 
  431 
  432 struct sctp_sender_dry_event {
  433         uint16_t sender_dry_type;
  434         uint16_t sender_dry_flags;
  435         uint32_t sender_dry_length;
  436         sctp_assoc_t sender_dry_assoc_id;
  437 };
  438 
  439 
  440 /*
  441  * stream reset event
  442  */
  443 struct sctp_stream_reset_event {
  444         uint16_t strreset_type;
  445         uint16_t strreset_flags;
  446         uint32_t strreset_length;
  447         sctp_assoc_t strreset_assoc_id;
  448         uint16_t strreset_list[];
  449 };
  450 
  451 /* flags in strreset_flags field */
  452 #define SCTP_STRRESET_INBOUND_STR  0x0001
  453 #define SCTP_STRRESET_OUTBOUND_STR 0x0002
  454 #define SCTP_STRRESET_ALL_STREAMS  0x0004
  455 #define SCTP_STRRESET_STREAM_LIST  0x0008
  456 #define SCTP_STRRESET_FAILED       0x0010
  457 #define SCTP_STRRESET_ADD_STREAM   0x0020
  458 
  459 /* SCTP notification event */
  460 struct sctp_tlv {
  461         uint16_t sn_type;
  462         uint16_t sn_flags;
  463         uint32_t sn_length;
  464 };
  465 
  466 union sctp_notification {
  467         struct sctp_tlv sn_header;
  468         struct sctp_assoc_change sn_assoc_change;
  469         struct sctp_paddr_change sn_paddr_change;
  470         struct sctp_remote_error sn_remote_error;
  471         struct sctp_send_failed sn_send_failed;
  472         struct sctp_shutdown_event sn_shutdown_event;
  473         struct sctp_adaptation_event sn_adaptation_event;
  474         /* compatibility same as above */
  475         struct sctp_adaption_event sn_adaption_event;
  476         struct sctp_pdapi_event sn_pdapi_event;
  477         struct sctp_authkey_event sn_auth_event;
  478         struct sctp_sender_dry_event sn_sender_dry_event;
  479         struct sctp_stream_reset_event sn_strreset_event;
  480 };
  481 
  482 /* notification types */
  483 #define SCTP_ASSOC_CHANGE                       0x0001
  484 #define SCTP_PEER_ADDR_CHANGE                   0x0002
  485 #define SCTP_REMOTE_ERROR                       0x0003
  486 #define SCTP_SEND_FAILED                        0x0004
  487 #define SCTP_SHUTDOWN_EVENT                     0x0005
  488 #define SCTP_ADAPTATION_INDICATION              0x0006
  489 /* same as above */
  490 #define SCTP_ADAPTION_INDICATION                0x0006
  491 #define SCTP_PARTIAL_DELIVERY_EVENT             0x0007
  492 #define SCTP_AUTHENTICATION_EVENT               0x0008
  493 #define SCTP_STREAM_RESET_EVENT                 0x0009
  494 #define SCTP_SENDER_DRY_EVENT                   0x000a
  495 #define SCTP_NOTIFICATIONS_STOPPED_EVENT        0x000b  /* we don't send this */
  496 /*
  497  * socket option structs
  498  */
  499 
  500 struct sctp_paddrparams {
  501         struct sockaddr_storage spp_address;
  502         sctp_assoc_t spp_assoc_id;
  503         uint32_t spp_hbinterval;
  504         uint32_t spp_pathmtu;
  505         uint32_t spp_flags;
  506         uint32_t spp_ipv6_flowlabel;
  507         uint16_t spp_pathmaxrxt;
  508         uint8_t spp_dscp;
  509 };
  510 
  511 #define spp_ipv4_tos spp_dscp
  512 
  513 #define SPP_HB_ENABLE           0x00000001
  514 #define SPP_HB_DISABLE          0x00000002
  515 #define SPP_HB_DEMAND           0x00000004
  516 #define SPP_PMTUD_ENABLE        0x00000008
  517 #define SPP_PMTUD_DISABLE       0x00000010
  518 #define SPP_HB_TIME_IS_ZERO     0x00000080
  519 #define SPP_IPV6_FLOWLABEL      0x00000100
  520 #define SPP_DSCP                0x00000200
  521 #define SPP_IPV4_TOS            SPP_DSCP
  522 
  523 struct sctp_paddrthlds {
  524         struct sockaddr_storage spt_address;
  525         sctp_assoc_t spt_assoc_id;
  526         uint16_t spt_pathmaxrxt;
  527         uint16_t spt_pathpfthld;
  528 };
  529 
  530 struct sctp_paddrinfo {
  531         struct sockaddr_storage spinfo_address;
  532         sctp_assoc_t spinfo_assoc_id;
  533         int32_t spinfo_state;
  534         uint32_t spinfo_cwnd;
  535         uint32_t spinfo_srtt;
  536         uint32_t spinfo_rto;
  537         uint32_t spinfo_mtu;
  538 };
  539 
  540 struct sctp_rtoinfo {
  541         sctp_assoc_t srto_assoc_id;
  542         uint32_t srto_initial;
  543         uint32_t srto_max;
  544         uint32_t srto_min;
  545 };
  546 
  547 struct sctp_assocparams {
  548         sctp_assoc_t sasoc_assoc_id;
  549         uint32_t sasoc_peer_rwnd;
  550         uint32_t sasoc_local_rwnd;
  551         uint32_t sasoc_cookie_life;
  552         uint16_t sasoc_asocmaxrxt;
  553         uint16_t sasoc_number_peer_destinations;
  554 };
  555 
  556 struct sctp_setprim {
  557         struct sockaddr_storage ssp_addr;
  558         sctp_assoc_t ssp_assoc_id;
  559         uint8_t ssp_padding[4];
  560 };
  561 
  562 struct sctp_setpeerprim {
  563         struct sockaddr_storage sspp_addr;
  564         sctp_assoc_t sspp_assoc_id;
  565         uint8_t sspp_padding[4];
  566 };
  567 
  568 struct sctp_getaddresses {
  569         sctp_assoc_t sget_assoc_id;
  570         /* addr is filled in for N * sockaddr_storage */
  571         struct sockaddr addr[1];
  572 };
  573 
  574 struct sctp_setstrm_timeout {
  575         sctp_assoc_t ssto_assoc_id;
  576         uint32_t ssto_timeout;
  577         uint32_t ssto_streamid_start;
  578         uint32_t ssto_streamid_end;
  579 };
  580 
  581 struct sctp_status {
  582         sctp_assoc_t sstat_assoc_id;
  583         int32_t sstat_state;
  584         uint32_t sstat_rwnd;
  585         uint16_t sstat_unackdata;
  586         uint16_t sstat_penddata;
  587         uint16_t sstat_instrms;
  588         uint16_t sstat_outstrms;
  589         uint32_t sstat_fragmentation_point;
  590         struct sctp_paddrinfo sstat_primary;
  591 };
  592 
  593 /*
  594  * AUTHENTICATION support
  595  */
  596 /* SCTP_AUTH_CHUNK */
  597 struct sctp_authchunk {
  598         uint8_t sauth_chunk;
  599 };
  600 
  601 /* SCTP_AUTH_KEY */
  602 struct sctp_authkey {
  603         sctp_assoc_t sca_assoc_id;
  604         uint16_t sca_keynumber;
  605         uint16_t sca_keylength;
  606         uint8_t sca_key[];
  607 };
  608 
  609 /* SCTP_HMAC_IDENT */
  610 struct sctp_hmacalgo {
  611         uint32_t shmac_number_of_idents;
  612         uint16_t shmac_idents[];
  613 };
  614 
  615 /* AUTH hmac_id */
  616 #define SCTP_AUTH_HMAC_ID_RSVD          0x0000
  617 #define SCTP_AUTH_HMAC_ID_SHA1          0x0001  /* default, mandatory */
  618 #define SCTP_AUTH_HMAC_ID_SHA256        0x0003
  619 #define SCTP_AUTH_HMAC_ID_SHA224        0x0004
  620 #define SCTP_AUTH_HMAC_ID_SHA384        0x0005
  621 #define SCTP_AUTH_HMAC_ID_SHA512        0x0006
  622 
  623 
  624 /* SCTP_AUTH_ACTIVE_KEY / SCTP_AUTH_DELETE_KEY */
  625 struct sctp_authkeyid {
  626         sctp_assoc_t scact_assoc_id;
  627         uint16_t scact_keynumber;
  628 };
  629 
  630 /* SCTP_PEER_AUTH_CHUNKS / SCTP_LOCAL_AUTH_CHUNKS */
  631 struct sctp_authchunks {
  632         sctp_assoc_t gauth_assoc_id;
  633         uint8_t gauth_chunks[];
  634 };
  635 
  636 struct sctp_assoc_value {
  637         sctp_assoc_t assoc_id;
  638         uint32_t assoc_value;
  639 };
  640 
  641 struct sctp_cc_option {
  642         int option;
  643         struct sctp_assoc_value aid_value;
  644 };
  645 
  646 struct sctp_stream_value {
  647         sctp_assoc_t assoc_id;
  648         uint16_t stream_id;
  649         uint16_t stream_value;
  650 };
  651 
  652 struct sctp_assoc_ids {
  653         uint32_t gaids_number_of_ids;
  654         sctp_assoc_t gaids_assoc_id[];
  655 };
  656 
  657 struct sctp_sack_info {
  658         sctp_assoc_t sack_assoc_id;
  659         uint32_t sack_delay;
  660         uint32_t sack_freq;
  661 };
  662 
  663 struct sctp_timeouts {
  664         sctp_assoc_t stimo_assoc_id;
  665         uint32_t stimo_init;
  666         uint32_t stimo_data;
  667         uint32_t stimo_sack;
  668         uint32_t stimo_shutdown;
  669         uint32_t stimo_heartbeat;
  670         uint32_t stimo_cookie;
  671         uint32_t stimo_shutdownack;
  672 };
  673 
  674 struct sctp_cwnd_args {
  675         struct sctp_nets *net;  /* network to *//* FIXME: LP64 issue */
  676         uint32_t cwnd_new_value;/* cwnd in k */
  677         uint32_t pseudo_cumack;
  678         uint16_t inflight;      /* flightsize in k */
  679         uint16_t cwnd_augment;  /* increment to it */
  680         uint8_t meets_pseudo_cumack;
  681         uint8_t need_new_pseudo_cumack;
  682         uint8_t cnt_in_send;
  683         uint8_t cnt_in_str;
  684 };
  685 
  686 struct sctp_blk_args {
  687         uint32_t onsb;          /* in 1k bytes */
  688         uint32_t sndlen;        /* len of send being attempted */
  689         uint32_t peer_rwnd;     /* rwnd of peer */
  690         uint16_t send_sent_qcnt;/* chnk cnt */
  691         uint16_t stream_qcnt;   /* chnk cnt */
  692         uint16_t chunks_on_oque;/* chunks out */
  693         uint16_t flight_size;   /* flight size in k */
  694 };
  695 
  696 /*
  697  * Max we can reset in one setting, note this is dictated not by the define
  698  * but the size of a mbuf cluster so don't change this define and think you
  699  * can specify more. You must do multiple resets if you want to reset more
  700  * than SCTP_MAX_EXPLICIT_STR_RESET.
  701  */
  702 #define SCTP_MAX_EXPLICT_STR_RESET   1000
  703 
  704 #define SCTP_RESET_LOCAL_RECV  0x0001
  705 #define SCTP_RESET_LOCAL_SEND  0x0002
  706 #define SCTP_RESET_BOTH        0x0003
  707 #define SCTP_RESET_TSN         0x0004
  708 #define SCTP_RESET_ADD_STREAMS 0x0005
  709 
  710 struct sctp_stream_reset {
  711         sctp_assoc_t strrst_assoc_id;
  712         uint16_t strrst_flags;
  713         uint16_t strrst_num_streams;    /* 0 == ALL */
  714         uint16_t strrst_list[]; /* list if strrst_num_streams is not 0 */
  715 };
  716 
  717 
  718 struct sctp_get_nonce_values {
  719         sctp_assoc_t gn_assoc_id;
  720         uint32_t gn_peers_tag;
  721         uint32_t gn_local_tag;
  722 };
  723 
  724 /* Debugging logs */
  725 struct sctp_str_log {
  726         void *stcb;             /* FIXME: LP64 issue */
  727         uint32_t n_tsn;
  728         uint32_t e_tsn;
  729         uint16_t n_sseq;
  730         uint16_t e_sseq;
  731         uint16_t strm;
  732 };
  733 
  734 struct sctp_sb_log {
  735         void *stcb;             /* FIXME: LP64 issue */
  736         uint32_t so_sbcc;
  737         uint32_t stcb_sbcc;
  738         uint32_t incr;
  739 };
  740 
  741 struct sctp_fr_log {
  742         uint32_t largest_tsn;
  743         uint32_t largest_new_tsn;
  744         uint32_t tsn;
  745 };
  746 
  747 struct sctp_fr_map {
  748         uint32_t base;
  749         uint32_t cum;
  750         uint32_t high;
  751 };
  752 
  753 struct sctp_rwnd_log {
  754         uint32_t rwnd;
  755         uint32_t send_size;
  756         uint32_t overhead;
  757         uint32_t new_rwnd;
  758 };
  759 
  760 struct sctp_mbcnt_log {
  761         uint32_t total_queue_size;
  762         uint32_t size_change;
  763         uint32_t total_queue_mb_size;
  764         uint32_t mbcnt_change;
  765 };
  766 
  767 struct sctp_sack_log {
  768         uint32_t cumack;
  769         uint32_t oldcumack;
  770         uint32_t tsn;
  771         uint16_t numGaps;
  772         uint16_t numDups;
  773 };
  774 
  775 struct sctp_lock_log {
  776         void *sock;             /* FIXME: LP64 issue */
  777         void *inp;              /* FIXME: LP64 issue */
  778         uint8_t tcb_lock;
  779         uint8_t inp_lock;
  780         uint8_t info_lock;
  781         uint8_t sock_lock;
  782         uint8_t sockrcvbuf_lock;
  783         uint8_t socksndbuf_lock;
  784         uint8_t create_lock;
  785         uint8_t resv;
  786 };
  787 
  788 struct sctp_rto_log {
  789         void *net;              /* FIXME: LP64 issue */
  790         uint32_t rtt;
  791 };
  792 
  793 struct sctp_nagle_log {
  794         void *stcb;             /* FIXME: LP64 issue */
  795         uint32_t total_flight;
  796         uint32_t total_in_queue;
  797         uint16_t count_in_queue;
  798         uint16_t count_in_flight;
  799 };
  800 
  801 struct sctp_sbwake_log {
  802         void *stcb;             /* FIXME: LP64 issue */
  803         uint16_t send_q;
  804         uint16_t sent_q;
  805         uint16_t flight;
  806         uint16_t wake_cnt;
  807         uint8_t stream_qcnt;    /* chnk cnt */
  808         uint8_t chunks_on_oque; /* chunks out */
  809         uint8_t sbflags;
  810         uint8_t sctpflags;
  811 };
  812 
  813 struct sctp_misc_info {
  814         uint32_t log1;
  815         uint32_t log2;
  816         uint32_t log3;
  817         uint32_t log4;
  818 };
  819 
  820 struct sctp_log_closing {
  821         void *inp;              /* FIXME: LP64 issue */
  822         void *stcb;             /* FIXME: LP64 issue */
  823         uint32_t sctp_flags;
  824         uint16_t state;
  825         int16_t loc;
  826 };
  827 
  828 struct sctp_mbuf_log {
  829         struct mbuf *mp;        /* FIXME: LP64 issue */
  830         caddr_t ext;
  831         caddr_t data;
  832         uint16_t size;
  833         uint8_t refcnt;
  834         uint8_t mbuf_flags;
  835 };
  836 
  837 struct sctp_cwnd_log {
  838         uint64_t time_event;
  839         uint8_t from;
  840         uint8_t event_type;
  841         uint8_t resv[2];
  842         union {
  843                 struct sctp_log_closing close;
  844                 struct sctp_blk_args blk;
  845                 struct sctp_cwnd_args cwnd;
  846                 struct sctp_str_log strlog;
  847                 struct sctp_fr_log fr;
  848                 struct sctp_fr_map map;
  849                 struct sctp_rwnd_log rwnd;
  850                 struct sctp_mbcnt_log mbcnt;
  851                 struct sctp_sack_log sack;
  852                 struct sctp_lock_log lock;
  853                 struct sctp_rto_log rto;
  854                 struct sctp_sb_log sb;
  855                 struct sctp_nagle_log nagle;
  856                 struct sctp_sbwake_log wake;
  857                 struct sctp_mbuf_log mb;
  858                 struct sctp_misc_info misc;
  859         }     x;
  860 };
  861 
  862 struct sctp_cwnd_log_req {
  863         int32_t num_in_log;     /* Number in log */
  864         int32_t num_ret;        /* Number returned */
  865         int32_t start_at;       /* start at this one */
  866         int32_t end_at;         /* end at this one */
  867         struct sctp_cwnd_log log[];
  868 };
  869 
  870 struct sctp_timeval {
  871         uint32_t tv_sec;
  872         uint32_t tv_usec;
  873 };
  874 
  875 struct sctpstat {
  876         struct sctp_timeval sctps_discontinuitytime;    /* sctpStats 18
  877                                                          * (TimeStamp) */
  878         /* MIB according to RFC 3873 */
  879         uint32_t sctps_currestab;       /* sctpStats  1   (Gauge32) */
  880         uint32_t sctps_activeestab;     /* sctpStats  2 (Counter32) */
  881         uint32_t sctps_restartestab;
  882         uint32_t sctps_collisionestab;
  883         uint32_t sctps_passiveestab;    /* sctpStats  3 (Counter32) */
  884         uint32_t sctps_aborted; /* sctpStats  4 (Counter32) */
  885         uint32_t sctps_shutdown;/* sctpStats  5 (Counter32) */
  886         uint32_t sctps_outoftheblue;    /* sctpStats  6 (Counter32) */
  887         uint32_t sctps_checksumerrors;  /* sctpStats  7 (Counter32) */
  888         uint32_t sctps_outcontrolchunks;        /* sctpStats  8 (Counter64) */
  889         uint32_t sctps_outorderchunks;  /* sctpStats  9 (Counter64) */
  890         uint32_t sctps_outunorderchunks;        /* sctpStats 10 (Counter64) */
  891         uint32_t sctps_incontrolchunks; /* sctpStats 11 (Counter64) */
  892         uint32_t sctps_inorderchunks;   /* sctpStats 12 (Counter64) */
  893         uint32_t sctps_inunorderchunks; /* sctpStats 13 (Counter64) */
  894         uint32_t sctps_fragusrmsgs;     /* sctpStats 14 (Counter64) */
  895         uint32_t sctps_reasmusrmsgs;    /* sctpStats 15 (Counter64) */
  896         uint32_t sctps_outpackets;      /* sctpStats 16 (Counter64) */
  897         uint32_t sctps_inpackets;       /* sctpStats 17 (Counter64) */
  898 
  899         /* input statistics: */
  900         uint32_t sctps_recvpackets;     /* total input packets        */
  901         uint32_t sctps_recvdatagrams;   /* total input datagrams      */
  902         uint32_t sctps_recvpktwithdata; /* total packets that had data */
  903         uint32_t sctps_recvsacks;       /* total input SACK chunks    */
  904         uint32_t sctps_recvdata;/* total input DATA chunks    */
  905         uint32_t sctps_recvdupdata;     /* total input duplicate DATA chunks */
  906         uint32_t sctps_recvheartbeat;   /* total input HB chunks      */
  907         uint32_t sctps_recvheartbeatack;        /* total input HB-ACK chunks  */
  908         uint32_t sctps_recvecne;/* total input ECNE chunks    */
  909         uint32_t sctps_recvauth;/* total input AUTH chunks    */
  910         uint32_t sctps_recvauthmissing; /* total input chunks missing AUTH */
  911         uint32_t sctps_recvivalhmacid;  /* total number of invalid HMAC ids
  912                                          * received */
  913         uint32_t sctps_recvivalkeyid;   /* total number of invalid secret ids
  914                                          * received */
  915         uint32_t sctps_recvauthfailed;  /* total number of auth failed */
  916         uint32_t sctps_recvexpress;     /* total fast path receives all one
  917                                          * chunk */
  918         uint32_t sctps_recvexpressm;    /* total fast path multi-part data */
  919         uint32_t sctps_recvnocrc;
  920         uint32_t sctps_recvswcrc;
  921         uint32_t sctps_recvhwcrc;
  922 
  923         /* output statistics: */
  924         uint32_t sctps_sendpackets;     /* total output packets       */
  925         uint32_t sctps_sendsacks;       /* total output SACKs         */
  926         uint32_t sctps_senddata;/* total output DATA chunks   */
  927         uint32_t sctps_sendretransdata; /* total output retransmitted DATA
  928                                          * chunks */
  929         uint32_t sctps_sendfastretrans; /* total output fast retransmitted
  930                                          * DATA chunks */
  931         uint32_t sctps_sendmultfastretrans;     /* total FR's that happened
  932                                                  * more than once to same
  933                                                  * chunk (u-del multi-fr
  934                                                  * algo). */
  935         uint32_t sctps_sendheartbeat;   /* total output HB chunks     */
  936         uint32_t sctps_sendecne;/* total output ECNE chunks    */
  937         uint32_t sctps_sendauth;/* total output AUTH chunks FIXME   */
  938         uint32_t sctps_senderrors;      /* ip_output error counter */
  939         uint32_t sctps_sendnocrc;
  940         uint32_t sctps_sendswcrc;
  941         uint32_t sctps_sendhwcrc;
  942         /* PCKDROPREP statistics: */
  943         uint32_t sctps_pdrpfmbox;       /* Packet drop from middle box */
  944         uint32_t sctps_pdrpfehos;       /* P-drop from end host */
  945         uint32_t sctps_pdrpmbda;/* P-drops with data */
  946         uint32_t sctps_pdrpmbct;/* P-drops, non-data, non-endhost */
  947         uint32_t sctps_pdrpbwrpt;       /* P-drop, non-endhost, bandwidth rep
  948                                          * only */
  949         uint32_t sctps_pdrpcrupt;       /* P-drop, not enough for chunk header */
  950         uint32_t sctps_pdrpnedat;       /* P-drop, not enough data to confirm */
  951         uint32_t sctps_pdrppdbrk;       /* P-drop, where process_chunk_drop
  952                                          * said break */
  953         uint32_t sctps_pdrptsnnf;       /* P-drop, could not find TSN */
  954         uint32_t sctps_pdrpdnfnd;       /* P-drop, attempt reverse TSN lookup */
  955         uint32_t sctps_pdrpdiwnp;       /* P-drop, e-host confirms zero-rwnd */
  956         uint32_t sctps_pdrpdizrw;       /* P-drop, midbox confirms no space */
  957         uint32_t sctps_pdrpbadd;/* P-drop, data did not match TSN */
  958         uint32_t sctps_pdrpmark;/* P-drop, TSN's marked for Fast Retran */
  959         /* timeouts */
  960         uint32_t sctps_timoiterator;    /* Number of iterator timers that
  961                                          * fired */
  962         uint32_t sctps_timodata;/* Number of T3 data time outs */
  963         uint32_t sctps_timowindowprobe; /* Number of window probe (T3) timers
  964                                          * that fired */
  965         uint32_t sctps_timoinit;/* Number of INIT timers that fired */
  966         uint32_t sctps_timosack;/* Number of sack timers that fired */
  967         uint32_t sctps_timoshutdown;    /* Number of shutdown timers that
  968                                          * fired */
  969         uint32_t sctps_timoheartbeat;   /* Number of heartbeat timers that
  970                                          * fired */
  971         uint32_t sctps_timocookie;      /* Number of times a cookie timeout
  972                                          * fired */
  973         uint32_t sctps_timosecret;      /* Number of times an endpoint changed
  974                                          * its cookie secret */
  975         uint32_t sctps_timopathmtu;     /* Number of PMTU timers that fired */
  976         uint32_t sctps_timoshutdownack; /* Number of shutdown ack timers that
  977                                          * fired */
  978         uint32_t sctps_timoshutdownguard;       /* Number of shutdown guard
  979                                                  * timers that fired */
  980         uint32_t sctps_timostrmrst;     /* Number of stream reset timers that
  981                                          * fired */
  982         uint32_t sctps_timoearlyfr;     /* Number of early FR timers that
  983                                          * fired */
  984         uint32_t sctps_timoasconf;      /* Number of times an asconf timer
  985                                          * fired */
  986         uint32_t sctps_timodelprim;     /* Number of times a prim_deleted
  987                                          * timer fired */
  988         uint32_t sctps_timoautoclose;   /* Number of times auto close timer
  989                                          * fired */
  990         uint32_t sctps_timoassockill;   /* Number of asoc free timers expired */
  991         uint32_t sctps_timoinpkill;     /* Number of inp free timers expired */
  992         /* former early FR counters */
  993         uint32_t sctps_spare[11];
  994         /* others */
  995         uint32_t sctps_hdrops;  /* packet shorter than header */
  996         uint32_t sctps_badsum;  /* checksum error             */
  997         uint32_t sctps_noport;  /* no endpoint for port       */
  998         uint32_t sctps_badvtag; /* bad v-tag                  */
  999         uint32_t sctps_badsid;  /* bad SID                    */
 1000         uint32_t sctps_nomem;   /* no memory                  */
 1001         uint32_t sctps_fastretransinrtt;        /* number of multiple FR in a
 1002                                                  * RTT window */
 1003         uint32_t sctps_markedretrans;
 1004         uint32_t sctps_naglesent;       /* nagle allowed sending      */
 1005         uint32_t sctps_naglequeued;     /* nagle doesn't allow sending */
 1006         uint32_t sctps_maxburstqueued;  /* max burst doesn't allow sending */
 1007         uint32_t sctps_ifnomemqueued;   /* look ahead tells us no memory in
 1008                                          * interface ring buffer OR we had a
 1009                                          * send error and are queuing one
 1010                                          * send. */
 1011         uint32_t sctps_windowprobed;    /* total number of window probes sent */
 1012         uint32_t sctps_lowlevelerr;     /* total times an output error causes
 1013                                          * us to clamp down on next user send. */
 1014         uint32_t sctps_lowlevelerrusr;  /* total times sctp_senderrors were
 1015                                          * caused from a user send from a user
 1016                                          * invoked send not a sack response */
 1017         uint32_t sctps_datadropchklmt;  /* Number of in data drops due to
 1018                                          * chunk limit reached */
 1019         uint32_t sctps_datadroprwnd;    /* Number of in data drops due to rwnd
 1020                                          * limit reached */
 1021         uint32_t sctps_ecnereducedcwnd; /* Number of times a ECN reduced the
 1022                                          * cwnd */
 1023         uint32_t sctps_vtagexpress;     /* Used express lookup via vtag */
 1024         uint32_t sctps_vtagbogus;       /* Collision in express lookup. */
 1025         uint32_t sctps_primary_randry;  /* Number of times the sender ran dry
 1026                                          * of user data on primary */
 1027         uint32_t sctps_cmt_randry;      /* Same for above */
 1028         uint32_t sctps_slowpath_sack;   /* Sacks the slow way */
 1029         uint32_t sctps_wu_sacks_sent;   /* Window Update only sacks sent */
 1030         uint32_t sctps_sends_with_flags;        /* number of sends with
 1031                                                  * sinfo_flags !=0 */
 1032         uint32_t sctps_sends_with_unord;        /* number of unordered sends */
 1033         uint32_t sctps_sends_with_eof;  /* number of sends with EOF flag set */
 1034         uint32_t sctps_sends_with_abort;        /* number of sends with ABORT
 1035                                                  * flag set */
 1036         uint32_t sctps_protocol_drain_calls;    /* number of times protocol
 1037                                                  * drain called */
 1038         uint32_t sctps_protocol_drains_done;    /* number of times we did a
 1039                                                  * protocol drain */
 1040         uint32_t sctps_read_peeks;      /* Number of times recv was called
 1041                                          * with peek */
 1042         uint32_t sctps_cached_chk;      /* Number of cached chunks used */
 1043         uint32_t sctps_cached_strmoq;   /* Number of cached stream oq's used */
 1044         uint32_t sctps_left_abandon;    /* Number of unread messages abandoned
 1045                                          * by close */
 1046         uint32_t sctps_send_burst_avoid;        /* Unused */
 1047         uint32_t sctps_send_cwnd_avoid; /* Send cwnd full  avoidance, already
 1048                                          * max burst inflight to net */
 1049         uint32_t sctps_fwdtsn_map_over; /* number of map array over-runs via
 1050                                          * fwd-tsn's */
 1051         uint32_t sctps_queue_upd_ecne;  /* Number of times we queued or
 1052                                          * updated an ECN chunk on send queue */
 1053         uint32_t sctps_reserved[31];    /* Future ABI compat - remove int's
 1054                                          * from here when adding new */
 1055 };
 1056 
 1057 #define SCTP_STAT_INCR(_x) SCTP_STAT_INCR_BY(_x,1)
 1058 #define SCTP_STAT_DECR(_x) SCTP_STAT_DECR_BY(_x,1)
 1059 #if defined(__FreeBSD__) && defined(SMP) && defined(SCTP_USE_PERCPU_STAT)
 1060 #define SCTP_STAT_INCR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x += _d)
 1061 #define SCTP_STAT_DECR_BY(_x,_d) (SCTP_BASE_STATS[PCPU_GET(cpuid)]._x -= _d)
 1062 #else
 1063 #define SCTP_STAT_INCR_BY(_x,_d) atomic_add_int(&SCTP_BASE_STAT(_x), _d)
 1064 #define SCTP_STAT_DECR_BY(_x,_d) atomic_subtract_int(&SCTP_BASE_STAT(_x), _d)
 1065 #endif
 1066 /* The following macros are for handling MIB values, */
 1067 #define SCTP_STAT_INCR_COUNTER32(_x) SCTP_STAT_INCR(_x)
 1068 #define SCTP_STAT_INCR_COUNTER64(_x) SCTP_STAT_INCR(_x)
 1069 #define SCTP_STAT_INCR_GAUGE32(_x) SCTP_STAT_INCR(_x)
 1070 #define SCTP_STAT_DECR_COUNTER32(_x) SCTP_STAT_DECR(_x)
 1071 #define SCTP_STAT_DECR_COUNTER64(_x) SCTP_STAT_DECR(_x)
 1072 #define SCTP_STAT_DECR_GAUGE32(_x) SCTP_STAT_DECR(_x)
 1073 
 1074 union sctp_sockstore {
 1075 #if defined(INET) || !defined(_KERNEL)
 1076         struct sockaddr_in sin;
 1077 #endif
 1078 #if defined(INET6) || !defined(_KERNEL)
 1079         struct sockaddr_in6 sin6;
 1080 #endif
 1081         struct sockaddr sa;
 1082 };
 1083 
 1084 
 1085 /***********************************/
 1086 /* And something for us old timers */
 1087 /***********************************/
 1088 
 1089 #ifndef ntohll
 1090 #include <sys/endian.h>
 1091 #define ntohll(x) be64toh(x)
 1092 #endif
 1093 
 1094 #ifndef htonll
 1095 #include <sys/endian.h>
 1096 #define htonll(x) htobe64(x)
 1097 #endif
 1098 /***********************************/
 1099 
 1100 
 1101 struct xsctp_inpcb {
 1102         uint32_t last;
 1103         uint32_t flags;
 1104         uint32_t features;
 1105         uint32_t total_sends;
 1106         uint32_t total_recvs;
 1107         uint32_t total_nospaces;
 1108         uint32_t fragmentation_point;
 1109         uint16_t local_port;
 1110         uint16_t qlen;
 1111         uint16_t maxqlen;
 1112         uint32_t extra_padding[32];     /* future */
 1113 };
 1114 
 1115 struct xsctp_tcb {
 1116         union sctp_sockstore primary_addr;      /* sctpAssocEntry 5/6 */
 1117         uint32_t last;
 1118         uint32_t heartbeat_interval;    /* sctpAssocEntry 7   */
 1119         uint32_t state;         /* sctpAssocEntry 8   */
 1120         uint32_t in_streams;    /* sctpAssocEntry 9   */
 1121         uint32_t out_streams;   /* sctpAssocEntry 10  */
 1122         uint32_t max_nr_retrans;/* sctpAssocEntry 11  */
 1123         uint32_t primary_process;       /* sctpAssocEntry 12  */
 1124         uint32_t T1_expireries; /* sctpAssocEntry 13  */
 1125         uint32_t T2_expireries; /* sctpAssocEntry 14  */
 1126         uint32_t retransmitted_tsns;    /* sctpAssocEntry 15  */
 1127         uint32_t total_sends;
 1128         uint32_t total_recvs;
 1129         uint32_t local_tag;
 1130         uint32_t remote_tag;
 1131         uint32_t initial_tsn;
 1132         uint32_t highest_tsn;
 1133         uint32_t cumulative_tsn;
 1134         uint32_t cumulative_tsn_ack;
 1135         uint32_t mtu;
 1136         uint32_t refcnt;
 1137         uint16_t local_port;    /* sctpAssocEntry 3   */
 1138         uint16_t remote_port;   /* sctpAssocEntry 4   */
 1139         struct sctp_timeval start_time; /* sctpAssocEntry 16  */
 1140         struct sctp_timeval discontinuity_time; /* sctpAssocEntry 17  */
 1141         uint32_t peers_rwnd;
 1142         sctp_assoc_t assoc_id;  /* sctpAssocEntry 1   */
 1143         uint32_t extra_padding[32];     /* future */
 1144 };
 1145 
 1146 struct xsctp_laddr {
 1147         union sctp_sockstore address;   /* sctpAssocLocalAddrEntry 1/2 */
 1148         uint32_t last;
 1149         struct sctp_timeval start_time; /* sctpAssocLocalAddrEntry 3   */
 1150         uint32_t extra_padding[32];     /* future */
 1151 };
 1152 
 1153 struct xsctp_raddr {
 1154         union sctp_sockstore address;   /* sctpAssocLocalRemEntry 1/2 */
 1155         uint32_t last;
 1156         uint32_t rto;           /* sctpAssocLocalRemEntry 5   */
 1157         uint32_t max_path_rtx;  /* sctpAssocLocalRemEntry 6   */
 1158         uint32_t rtx;           /* sctpAssocLocalRemEntry 7   */
 1159         uint32_t error_counter; /* */
 1160         uint32_t cwnd;          /* */
 1161         uint32_t flight_size;   /* */
 1162         uint32_t mtu;           /* */
 1163         uint8_t active;         /* sctpAssocLocalRemEntry 3   */
 1164         uint8_t confirmed;      /* */
 1165         uint8_t heartbeat_enabled;      /* sctpAssocLocalRemEntry 4   */
 1166         uint8_t potentially_failed;
 1167         struct sctp_timeval start_time; /* sctpAssocLocalRemEntry 8   */
 1168         uint32_t rtt;
 1169         uint32_t heartbeat_interval;
 1170         uint32_t extra_padding[31];     /* future */
 1171 };
 1172 
 1173 #define SCTP_MAX_LOGGING_SIZE 30000
 1174 #define SCTP_TRACE_PARAMS 6     /* This number MUST be even   */
 1175 
 1176 struct sctp_log_entry {
 1177         uint64_t timestamp;
 1178         uint32_t subsys;
 1179         uint32_t padding;
 1180         uint32_t params[SCTP_TRACE_PARAMS];
 1181 };
 1182 
 1183 struct sctp_log {
 1184         struct sctp_log_entry entry[SCTP_MAX_LOGGING_SIZE];
 1185         uint32_t index;
 1186         uint32_t padding;
 1187 };
 1188 
 1189 /*
 1190  * Kernel defined for sctp_send
 1191  */
 1192 #if defined(_KERNEL) || defined(__Userspace__)
 1193 int
 1194 sctp_lower_sosend(struct socket *so,
 1195     struct sockaddr *addr,
 1196     struct uio *uio,
 1197     struct mbuf *i_pak,
 1198     struct mbuf *control,
 1199     int flags,
 1200     struct sctp_sndrcvinfo *srcv
 1201     ,struct thread *p
 1202 );
 1203 
 1204 int
 1205 sctp_sorecvmsg(struct socket *so,
 1206     struct uio *uio,
 1207     struct mbuf **mp,
 1208     struct sockaddr *from,
 1209     int fromlen,
 1210     int *msg_flags,
 1211     struct sctp_sndrcvinfo *sinfo,
 1212     int filling_sinfo);
 1213 
 1214 #endif
 1215 
 1216 /*
 1217  * API system calls
 1218  */
 1219 #if !(defined(_KERNEL)) && !(defined(__Userspace__))
 1220 
 1221 __BEGIN_DECLS
 1222 int sctp_peeloff __P((int, sctp_assoc_t));
 1223 int sctp_bindx __P((int, struct sockaddr *, int, int));
 1224 int sctp_connectx __P((int, const struct sockaddr *, int, sctp_assoc_t *));
 1225 int sctp_getaddrlen __P((sa_family_t));
 1226 int sctp_getpaddrs __P((int, sctp_assoc_t, struct sockaddr **));
 1227 void sctp_freepaddrs __P((struct sockaddr *));
 1228 int sctp_getladdrs __P((int, sctp_assoc_t, struct sockaddr **));
 1229 void sctp_freeladdrs __P((struct sockaddr *));
 1230 int sctp_opt_info __P((int, sctp_assoc_t, int, void *, socklen_t *));
 1231 
 1232 /* deprecated */
 1233 ssize_t sctp_sendmsg 
 1234 __P((int, const void *, size_t, const struct sockaddr *,
 1235     socklen_t, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
 1236 
 1237 /* deprecated */
 1238         ssize_t sctp_send __P((int, const void *, size_t,
 1239               const struct sctp_sndrcvinfo *, int));
 1240 
 1241 /* deprecated */
 1242         ssize_t sctp_sendx __P((int, const void *, size_t, struct sockaddr *,
 1243                int, struct sctp_sndrcvinfo *, int));
 1244 
 1245 /* deprecated */
 1246         ssize_t sctp_sendmsgx __P((int sd, const void *, size_t, struct sockaddr *,
 1247                   int, uint32_t, uint32_t, uint16_t, uint32_t, uint32_t));
 1248 
 1249         sctp_assoc_t sctp_getassocid __P((int, struct sockaddr *));
 1250 
 1251 /* deprecated */
 1252         ssize_t sctp_recvmsg __P((int, void *, size_t, struct sockaddr *, socklen_t *,
 1253                  struct sctp_sndrcvinfo *, int *));
 1254 
 1255         ssize_t sctp_sendv __P((int, const struct iovec *, int, struct sockaddr *,
 1256                int, void *, socklen_t, unsigned int, int));
 1257 
 1258         ssize_t sctp_recvv __P((int, const struct iovec *, int, struct sockaddr *,
 1259                socklen_t *, void *, socklen_t *, unsigned int *, int *));
 1260 
 1261 __END_DECLS
 1262 
 1263 #endif                          /* !_KERNEL */
 1264 #endif                          /* !__sctp_uio_h__ */

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