The Design and Implementation of the FreeBSD Operating System, Second Edition
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sys/netinet/sctp.h

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    1 /*-
    2  * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
    3  *
    4  * Redistribution and use in source and binary forms, with or without
    5  * modification, are permitted provided that the following conditions are met:
    6  *
    7  * a) Redistributions of source code must retain the above copyright notice,
    8  *   this list of conditions and the following disclaimer.
    9  *
   10  * b) Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in
   12  *   the documentation and/or other materials provided with the distribution.
   13  *
   14  * c) Neither the name of Cisco Systems, Inc. nor the names of its
   15  *    contributors may be used to endorse or promote products derived
   16  *    from this software without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   28  * THE POSSIBILITY OF SUCH DAMAGE.
   29  */
   30 /* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $         */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD: releng/7.4/sys/netinet/sctp.h 188532 2009-02-12 18:50:27Z rrs $");
   34 
   35 #ifndef _NETINET_SCTP_H_
   36 #define _NETINET_SCTP_H_
   37 
   38 #include <sys/types.h>
   39 
   40 
   41 #define SCTP_PACKED __attribute__((packed))
   42 
   43 /*
   44  * SCTP protocol - RFC2960.
   45  */
   46 struct sctphdr {
   47         uint16_t src_port;      /* source port */
   48         uint16_t dest_port;     /* destination port */
   49         uint32_t v_tag;         /* verification tag of packet */
   50         uint32_t checksum;      /* Adler32 C-Sum */
   51         /* chunks follow... */
   52 }       SCTP_PACKED;
   53 
   54 /*
   55  * SCTP Chunks
   56  */
   57 struct sctp_chunkhdr {
   58         uint8_t chunk_type;     /* chunk type */
   59         uint8_t chunk_flags;    /* chunk flags */
   60         uint16_t chunk_length;  /* chunk length */
   61         /* optional params follow */
   62 }             SCTP_PACKED;
   63 
   64 /*
   65  * SCTP chunk parameters
   66  */
   67 struct sctp_paramhdr {
   68         uint16_t param_type;    /* parameter type */
   69         uint16_t param_length;  /* parameter length */
   70 }             SCTP_PACKED;
   71 
   72 /*
   73  * user socket options: socket API defined
   74  */
   75 /*
   76  * read-write options
   77  */
   78 #define SCTP_RTOINFO                    0x00000001
   79 #define SCTP_ASSOCINFO                  0x00000002
   80 #define SCTP_INITMSG                    0x00000003
   81 #define SCTP_NODELAY                    0x00000004
   82 #define SCTP_AUTOCLOSE                  0x00000005
   83 #define SCTP_SET_PEER_PRIMARY_ADDR      0x00000006
   84 #define SCTP_PRIMARY_ADDR               0x00000007
   85 #define SCTP_ADAPTATION_LAYER           0x00000008
   86 /* same as above */
   87 #define SCTP_ADAPTION_LAYER             0x00000008
   88 #define SCTP_DISABLE_FRAGMENTS          0x00000009
   89 #define SCTP_PEER_ADDR_PARAMS           0x0000000a
   90 #define SCTP_DEFAULT_SEND_PARAM         0x0000000b
   91 /* ancillary data/notification interest options */
   92 #define SCTP_EVENTS                     0x0000000c
   93 /* Without this applied we will give V4 and V6 addresses on a V6 socket */
   94 #define SCTP_I_WANT_MAPPED_V4_ADDR      0x0000000d
   95 #define SCTP_MAXSEG                     0x0000000e
   96 #define SCTP_DELAYED_SACK               0x0000000f
   97 #define SCTP_FRAGMENT_INTERLEAVE        0x00000010
   98 #define SCTP_PARTIAL_DELIVERY_POINT     0x00000011
   99 /* authentication support */
  100 #define SCTP_AUTH_CHUNK                 0x00000012
  101 #define SCTP_AUTH_KEY                   0x00000013
  102 #define SCTP_HMAC_IDENT                 0x00000014
  103 #define SCTP_AUTH_ACTIVE_KEY            0x00000015
  104 #define SCTP_AUTH_DELETE_KEY            0x00000016
  105 #define SCTP_USE_EXT_RCVINFO            0x00000017
  106 #define SCTP_AUTO_ASCONF                0x00000018      /* rw */
  107 #define SCTP_MAXBURST                   0x00000019      /* rw */
  108 #define SCTP_MAX_BURST                  0x00000019      /* rw */
  109 /* assoc level context */
  110 #define SCTP_CONTEXT                    0x0000001a      /* rw */
  111 /* explict EOR signalling */
  112 #define SCTP_EXPLICIT_EOR               0x0000001b
  113 #define SCTP_REUSE_PORT                 0x0000001c      /* rw */
  114 #define SCTP_AUTH_DEACTIVATE_KEY        0x0000001d
  115 
  116 /*
  117  * read-only options
  118  */
  119 #define SCTP_STATUS                     0x00000100
  120 #define SCTP_GET_PEER_ADDR_INFO         0x00000101
  121 /* authentication support */
  122 #define SCTP_PEER_AUTH_CHUNKS           0x00000102
  123 #define SCTP_LOCAL_AUTH_CHUNKS          0x00000103
  124 #define SCTP_GET_ASSOC_NUMBER           0x00000104      /* ro */
  125 #define SCTP_GET_ASSOC_ID_LIST          0x00000105      /* ro */
  126 
  127 /*
  128  * user socket options: BSD implementation specific
  129  */
  130 /*
  131  * Blocking I/O is enabled on any TCP type socket by default. For the UDP
  132  * model if this is turned on then the socket buffer is shared for send
  133  * resources amongst all associations.  The default for the UDP model is that
  134  * is SS_NBIO is set.  Which means all associations have a seperate send
  135  * limit BUT they will NOT ever BLOCK instead you will get an error back
  136  * EAGAIN if you try to send to much. If you want the blocking symantics you
  137  * set this option at the cost of sharing one socket send buffer size amongst
  138  * all associations. Peeled off sockets turn this option off and block. But
  139  * since both TCP and peeled off sockets have only one assoc per socket this
  140  * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
  141  * model OR peeled off UDP model, but we do allow you to do so. You just use
  142  * the normal syscall to toggle SS_NBIO the way you want.
  143  *
  144  * Blocking I/O is controled by the SS_NBIO flag on the socket state so_state
  145  * field.
  146  */
  147 
  148 /* these should probably go into sockets API */
  149 #define SCTP_RESET_STREAMS              0x00001004      /* wo */
  150 
  151 
  152 /* here on down are more implementation specific */
  153 #define SCTP_SET_DEBUG_LEVEL            0x00001005
  154 #define SCTP_CLR_STAT_LOG               0x00001007
  155 /* CMT ON/OFF socket option */
  156 #define SCTP_CMT_ON_OFF                 0x00001200
  157 #define SCTP_CMT_USE_DAC                0x00001201
  158 /* EY - NR_SACK on/off socket option */
  159 #define SCTP_NR_SACK_ON_OFF                 0x00001300
  160 /* JRS - Pluggable Congestion Control Socket option */
  161 #define SCTP_PLUGGABLE_CC                               0x00001202
  162 
  163 /* read only */
  164 #define SCTP_GET_SNDBUF_USE             0x00001101
  165 #define SCTP_GET_STAT_LOG               0x00001103
  166 #define SCTP_PCB_STATUS                 0x00001104
  167 #define SCTP_GET_NONCE_VALUES           0x00001105
  168 
  169 
  170 /* Special hook for dynamically setting primary for all assoc's,
  171  * this is a write only option that requires root privledge.
  172  */
  173 #define SCTP_SET_DYNAMIC_PRIMARY        0x00002001
  174 
  175 /* VRF (virtual router feature) and multi-VRF support
  176  * options. VRF's provide splits within a router
  177  * that give the views of multiple routers. A
  178  * standard host, without VRF support, is just
  179  * a single VRF. If VRF's are supported then
  180  * the transport must be VRF aware. This means
  181  * that every socket call coming in must be directed
  182  * within the endpoint to one of the VRF's it belongs
  183  * to. The endpoint, before binding, may select
  184  * the "default" VRF it is in by using a set socket
  185  * option with SCTP_VRF_ID. This will also
  186  * get propegated to the default VRF. Once the
  187  * endpoint binds an address then it CANNOT add
  188  * additional VRF's to become a Multi-VRF endpoint.
  189  *
  190  * Before BINDING additional VRF's can be added with
  191  * the SCTP_ADD_VRF_ID call or deleted with
  192  * SCTP_DEL_VRF_ID.
  193  *
  194  * Associations are ALWAYS contained inside a single
  195  * VRF. They cannot reside in two (or more) VRF's. Incoming
  196  * packets, assuming the router is VRF aware, can always
  197  * tell us what VRF they arrived on. A host not supporting
  198  * any VRF's will find that the packets always arrived on the
  199  * single VRF that the host has.
  200  *
  201  */
  202 
  203 #define SCTP_VRF_ID                     0x00003001
  204 #define SCTP_ADD_VRF_ID                 0x00003002
  205 #define SCTP_GET_VRF_IDS                0x00003003
  206 #define SCTP_GET_ASOC_VRF               0x00003004
  207 #define SCTP_DEL_VRF_ID                 0x00003005
  208 
  209 /*
  210  * If you enable packet logging you can get
  211  * a poor mans ethereal output in binary
  212  * form. Note this is a compile option to
  213  * the kernel,  SCTP_PACKET_LOGGING, and
  214  * without it in your kernel you
  215  * will get a EOPNOTSUPP
  216  */
  217 #define SCTP_GET_PACKET_LOG             0x00004001
  218 
  219 /*
  220  * hidden implementation specific options these are NOT user visible (should
  221  * move out of sctp.h)
  222  */
  223 /* sctp_bindx() flags as hidden socket options */
  224 #define SCTP_BINDX_ADD_ADDR             0x00008001
  225 #define SCTP_BINDX_REM_ADDR             0x00008002
  226 /* Hidden socket option that gets the addresses */
  227 #define SCTP_GET_PEER_ADDRESSES         0x00008003
  228 #define SCTP_GET_LOCAL_ADDRESSES        0x00008004
  229 /* return the total count in bytes needed to hold all local addresses bound */
  230 #define SCTP_GET_LOCAL_ADDR_SIZE        0x00008005
  231 /* Return the total count in bytes needed to hold the remote address */
  232 #define SCTP_GET_REMOTE_ADDR_SIZE       0x00008006
  233 /* hidden option for connectx */
  234 #define SCTP_CONNECT_X                  0x00008007
  235 /* hidden option for connectx_delayed, part of sendx */
  236 #define SCTP_CONNECT_X_DELAYED          0x00008008
  237 #define SCTP_CONNECT_X_COMPLETE         0x00008009
  238 /* hidden socket option based sctp_peeloff */
  239 #define SCTP_PEELOFF                    0x0000800a
  240 /* the real worker for sctp_getaddrlen() */
  241 #define SCTP_GET_ADDR_LEN               0x0000800b
  242 /* temporary workaround for Apple listen() issue, no args used */
  243 #define SCTP_LISTEN_FIX                 0x0000800c
  244 /* Debug things that need to be purged */
  245 #define SCTP_SET_INITIAL_DBG_SEQ        0x00009f00
  246 
  247 /* JRS - Supported congestion control modules for pluggable
  248  * congestion control
  249  */
  250 /* Standard TCP Congestion Control */
  251 #define SCTP_CC_RFC2581         0x00000000
  252 /* High Speed TCP Congestion Control (Floyd) */
  253 #define SCTP_CC_HSTCP           0x00000001
  254 /* HTCP Congestion Control */
  255 #define SCTP_CC_HTCP            0x00000002
  256 
  257 
  258 /* fragment interleave constants
  259  * setting must be one of these or
  260  * EINVAL returned.
  261  */
  262 #define SCTP_FRAG_LEVEL_0    0x00000000
  263 #define SCTP_FRAG_LEVEL_1    0x00000001
  264 #define SCTP_FRAG_LEVEL_2    0x00000002
  265 
  266 /*
  267  * user state values
  268  */
  269 #define SCTP_CLOSED                     0x0000
  270 #define SCTP_BOUND                      0x1000
  271 #define SCTP_LISTEN                     0x2000
  272 #define SCTP_COOKIE_WAIT                0x0002
  273 #define SCTP_COOKIE_ECHOED              0x0004
  274 #define SCTP_ESTABLISHED                0x0008
  275 #define SCTP_SHUTDOWN_SENT              0x0010
  276 #define SCTP_SHUTDOWN_RECEIVED          0x0020
  277 #define SCTP_SHUTDOWN_ACK_SENT          0x0040
  278 #define SCTP_SHUTDOWN_PENDING           0x0080
  279 
  280 /*
  281  * SCTP operational error codes (user visible)
  282  */
  283 #define SCTP_CAUSE_NO_ERROR             0x0000
  284 #define SCTP_CAUSE_INVALID_STREAM       0x0001
  285 #define SCTP_CAUSE_MISSING_PARAM        0x0002
  286 #define SCTP_CAUSE_STALE_COOKIE         0x0003
  287 #define SCTP_CAUSE_OUT_OF_RESC          0x0004
  288 #define SCTP_CAUSE_UNRESOLVABLE_ADDR    0x0005
  289 #define SCTP_CAUSE_UNRECOG_CHUNK        0x0006
  290 #define SCTP_CAUSE_INVALID_PARAM        0x0007
  291 #define SCTP_CAUSE_UNRECOG_PARAM        0x0008
  292 #define SCTP_CAUSE_NO_USER_DATA         0x0009
  293 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN   0x000a
  294 #define SCTP_CAUSE_RESTART_W_NEWADDR    0x000b
  295 #define SCTP_CAUSE_USER_INITIATED_ABT   0x000c
  296 #define SCTP_CAUSE_PROTOCOL_VIOLATION   0x000d
  297 
  298 /* Error causes from RFC5061 */
  299 #define SCTP_CAUSE_DELETING_LAST_ADDR   0x00a0
  300 #define SCTP_CAUSE_RESOURCE_SHORTAGE    0x00a1
  301 #define SCTP_CAUSE_DELETING_SRC_ADDR    0x00a2
  302 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK   0x00a3
  303 #define SCTP_CAUSE_REQUEST_REFUSED      0x00a4
  304 
  305 /* Error causes from nat-draft */
  306 #define SCTP_CAUSE_NAT_COLLIDING_STATE  0x00b0
  307 #define SCTP_CAUSE_NAT_MISSING_STATE    0x00b1
  308 
  309 /* Error causes from RFC4895 */
  310 #define SCTP_CAUSE_UNSUPPORTED_HMACID   0x0105
  311 
  312 /*
  313  * error cause parameters (user visisble)
  314  */
  315 struct sctp_error_cause {
  316         uint16_t code;
  317         uint16_t length;
  318         /* optional cause-specific info may follow */
  319 }                SCTP_PACKED;
  320 
  321 struct sctp_error_invalid_stream {
  322         struct sctp_error_cause cause;  /* code=SCTP_ERROR_INVALID_STREAM */
  323         uint16_t stream_id;     /* stream id of the DATA in error */
  324         uint16_t reserved;
  325 }                         SCTP_PACKED;
  326 
  327 struct sctp_error_missing_param {
  328         struct sctp_error_cause cause;  /* code=SCTP_ERROR_MISSING_PARAM */
  329         uint32_t num_missing_params;    /* number of missing parameters */
  330         /* uint16_t param_type's follow */
  331 }                        SCTP_PACKED;
  332 
  333 struct sctp_error_stale_cookie {
  334         struct sctp_error_cause cause;  /* code=SCTP_ERROR_STALE_COOKIE */
  335         uint32_t stale_time;    /* time in usec of staleness */
  336 }                       SCTP_PACKED;
  337 
  338 struct sctp_error_out_of_resource {
  339         struct sctp_error_cause cause;  /* code=SCTP_ERROR_OUT_OF_RESOURCES */
  340 }                          SCTP_PACKED;
  341 
  342 struct sctp_error_unresolv_addr {
  343         struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */
  344 
  345 }                        SCTP_PACKED;
  346 
  347 struct sctp_error_unrecognized_chunk {
  348         struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRECOG_CHUNK */
  349         struct sctp_chunkhdr ch;/* header from chunk in error */
  350 }                             SCTP_PACKED;
  351 
  352 /*
  353  * Main SCTP chunk types we place these here so natd and f/w's in user land
  354  * can find them.
  355  */
  356 /************0x00 series ***********/
  357 #define SCTP_DATA               0x00
  358 #define SCTP_INITIATION         0x01
  359 #define SCTP_INITIATION_ACK     0x02
  360 #define SCTP_SELECTIVE_ACK      0x03
  361 #define SCTP_HEARTBEAT_REQUEST  0x04
  362 #define SCTP_HEARTBEAT_ACK      0x05
  363 #define SCTP_ABORT_ASSOCIATION  0x06
  364 #define SCTP_SHUTDOWN           0x07
  365 #define SCTP_SHUTDOWN_ACK       0x08
  366 #define SCTP_OPERATION_ERROR    0x09
  367 #define SCTP_COOKIE_ECHO        0x0a
  368 #define SCTP_COOKIE_ACK         0x0b
  369 #define SCTP_ECN_ECHO           0x0c
  370 #define SCTP_ECN_CWR            0x0d
  371 #define SCTP_SHUTDOWN_COMPLETE  0x0e
  372 /* RFC4895 */
  373 #define SCTP_AUTHENTICATION     0x0f
  374 /* EY nr_sack chunk id*/
  375 #define SCTP_NR_SELECTIVE_ACK 0x10
  376 /************0x40 series ***********/
  377 /************0x80 series ***********/
  378 /* RFC5061 */
  379 #define SCTP_ASCONF_ACK         0x80
  380 /* draft-ietf-stewart-pktdrpsctp */
  381 #define SCTP_PACKET_DROPPED     0x81
  382 /* draft-ietf-stewart-strreset-xxx */
  383 #define SCTP_STREAM_RESET       0x82
  384 
  385 /* RFC4820                         */
  386 #define SCTP_PAD_CHUNK          0x84
  387 /************0xc0 series ***********/
  388 /* RFC3758 */
  389 #define SCTP_FORWARD_CUM_TSN    0xc0
  390 /* RFC5061 */
  391 #define SCTP_ASCONF             0xc1
  392 
  393 
  394 /* ABORT and SHUTDOWN COMPLETE FLAG */
  395 #define SCTP_HAD_NO_TCB         0x01
  396 
  397 /* Packet dropped flags */
  398 #define SCTP_FROM_MIDDLE_BOX    SCTP_HAD_NO_TCB
  399 #define SCTP_BADCRC             0x02
  400 #define SCTP_PACKET_TRUNCATED   0x04
  401 
  402 #define SCTP_SAT_NETWORK_MIN    400     /* min ms for RTT to set satellite
  403                                          * time */
  404 #define SCTP_SAT_NETWORK_BURST_INCR  2  /* how many times to multiply maxburst
  405                                          * in sat */
  406 
  407 /* Data Chuck Specific Flags */
  408 #define SCTP_DATA_FRAG_MASK        0x03
  409 #define SCTP_DATA_MIDDLE_FRAG      0x00
  410 #define SCTP_DATA_LAST_FRAG        0x01
  411 #define SCTP_DATA_FIRST_FRAG       0x02
  412 #define SCTP_DATA_NOT_FRAG         0x03
  413 #define SCTP_DATA_UNORDERED        0x04
  414 #define SCTP_DATA_SACK_IMMEDIATELY 0x08
  415 /* ECN Nonce: SACK Chunk Specific Flags */
  416 #define SCTP_SACK_NONCE_SUM        0x01
  417 
  418 /* EY nr_sack all bit - All bit is the 2nd LSB of nr_sack chunk flags*/
  419 /* if All bit is set in an nr-sack chunk, then all nr gap acks gap acks*/
  420 #define SCTP_NR_SACK_ALL_BIT    0x02
  421 /* CMT DAC algorithm SACK flag */
  422 #define SCTP_SACK_CMT_DAC          0x80
  423 
  424 /*
  425  * PCB flags (in sctp_flags bitmask).
  426  * Note the features and flags are meant
  427  * for use by netstat.
  428  */
  429 #define SCTP_PCB_FLAGS_UDPTYPE          0x00000001
  430 #define SCTP_PCB_FLAGS_TCPTYPE          0x00000002
  431 #define SCTP_PCB_FLAGS_BOUNDALL         0x00000004
  432 #define SCTP_PCB_FLAGS_ACCEPTING        0x00000008
  433 #define SCTP_PCB_FLAGS_UNBOUND          0x00000010
  434 #define SCTP_PCB_FLAGS_CLOSE_IP         0x00040000
  435 #define SCTP_PCB_FLAGS_WAS_CONNECTED    0x00080000
  436 #define SCTP_PCB_FLAGS_WAS_ABORTED      0x00100000
  437 /* TCP model support */
  438 
  439 #define SCTP_PCB_FLAGS_CONNECTED        0x00200000
  440 #define SCTP_PCB_FLAGS_IN_TCPPOOL       0x00400000
  441 #define SCTP_PCB_FLAGS_DONT_WAKE        0x00800000
  442 #define SCTP_PCB_FLAGS_WAKEOUTPUT       0x01000000
  443 #define SCTP_PCB_FLAGS_WAKEINPUT        0x02000000
  444 #define SCTP_PCB_FLAGS_BOUND_V6         0x04000000
  445 #define SCTP_PCB_FLAGS_BLOCKING_IO      0x08000000
  446 #define SCTP_PCB_FLAGS_SOCKET_GONE      0x10000000
  447 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE   0x20000000
  448 /* flags to copy to new PCB */
  449 #define SCTP_PCB_COPY_FLAGS             (SCTP_PCB_FLAGS_BOUNDALL|\
  450                                          SCTP_PCB_FLAGS_WAKEINPUT|\
  451                                          SCTP_PCB_FLAGS_BOUND_V6)
  452 
  453 
  454 /*
  455  * PCB Features (in sctp_features bitmask)
  456  */
  457 #define SCTP_PCB_FLAGS_EXT_RCVINFO      0x00000002
  458 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT  0x00000004
  459 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE  0x00000008
  460 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x00000010
  461 #define SCTP_PCB_FLAGS_DO_ASCONF        0x00000020
  462 #define SCTP_PCB_FLAGS_AUTO_ASCONF      0x00000040
  463 #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080
  464 /* socket options */
  465 #define SCTP_PCB_FLAGS_NODELAY          0x00000100
  466 #define SCTP_PCB_FLAGS_AUTOCLOSE        0x00000200
  467 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT   0x00000400
  468 #define SCTP_PCB_FLAGS_RECVASSOCEVNT    0x00000800
  469 #define SCTP_PCB_FLAGS_RECVPADDREVNT    0x00001000
  470 #define SCTP_PCB_FLAGS_RECVPEERERR      0x00002000
  471 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000
  472 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000
  473 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT   0x00010000
  474 #define SCTP_PCB_FLAGS_PDAPIEVNT        0x00020000
  475 #define SCTP_PCB_FLAGS_AUTHEVNT         0x00040000
  476 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000
  477 #define SCTP_PCB_FLAGS_NO_FRAGMENT      0x00100000
  478 #define SCTP_PCB_FLAGS_EXPLICIT_EOR     0x00400000
  479 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4  0x00800000
  480 #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS 0x01000000
  481 #define SCTP_PCB_FLAGS_PORTREUSE        0x02000000
  482 #define SCTP_PCB_FLAGS_DRYEVNT          0x04000000
  483 /*-
  484  * mobility_features parameters (by micchie).Note
  485  * these features are applied against the
  486  * sctp_mobility_features flags.. not the sctp_features
  487  * flags.
  488  */
  489 #define SCTP_MOBILITY_BASE              0x00000001
  490 #define SCTP_MOBILITY_FASTHANDOFF       0x00000002
  491 #define SCTP_MOBILITY_PRIM_DELETED      0x00000004
  492 
  493 
  494 #define SCTP_SMALLEST_PMTU 512  /* smallest pmtu allowed when disabling PMTU
  495                                  * discovery */
  496 
  497 #include <netinet/sctp_uio.h>
  498 
  499 /* This dictates the size of the packet
  500  * collection buffer. This only applies
  501  * if SCTP_PACKET_LOGGING is enabled in
  502  * your config.
  503  */
  504 #define SCTP_PACKET_LOG_SIZE 65536
  505 
  506 /* Maximum delays and such a user can set for options that
  507  * take ms.
  508  */
  509 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */
  510 #define SCTP_MAX_HB_INTERVAL 14400000   /* 4 hours in ms */
  511 #define SCTP_MAX_COOKIE_LIFE  3600000   /* 1 hour in ms */
  512 
  513 
  514 /* Types of logging/KTR tracing  that can be enabled via the
  515  * sysctl net.inet.sctp.sctp_logging. You must also enable
  516  * SUBSYS tracing.
  517  * Note that you must have the SCTP option in the kernel
  518  * to enable these as well.
  519  */
  520 #define SCTP_BLK_LOGGING_ENABLE                         0x00000001
  521 #define SCTP_CWND_MONITOR_ENABLE                        0x00000002
  522 #define SCTP_CWND_LOGGING_ENABLE                        0x00000004
  523 #define SCTP_EARLYFR_LOGGING_ENABLE                     0x00000010
  524 #define SCTP_FLIGHT_LOGGING_ENABLE                      0x00000020
  525 #define SCTP_FR_LOGGING_ENABLE                          0x00000040
  526 #define SCTP_LOCK_LOGGING_ENABLE                        0x00000080
  527 #define SCTP_MAP_LOGGING_ENABLE                         0x00000100
  528 #define SCTP_MBCNT_LOGGING_ENABLE                       0x00000200
  529 #define SCTP_MBUF_LOGGING_ENABLE                        0x00000400
  530 #define SCTP_NAGLE_LOGGING_ENABLE                       0x00000800
  531 #define SCTP_RECV_RWND_LOGGING_ENABLE           0x00001000
  532 #define SCTP_RTTVAR_LOGGING_ENABLE                      0x00002000
  533 #define SCTP_SACK_LOGGING_ENABLE                        0x00004000
  534 #define SCTP_SACK_RWND_LOGGING_ENABLE           0x00008000
  535 #define SCTP_SB_LOGGING_ENABLE                          0x00010000
  536 #define SCTP_STR_LOGGING_ENABLE                         0x00020000
  537 #define SCTP_WAKE_LOGGING_ENABLE                        0x00040000
  538 #define SCTP_LOG_MAXBURST_ENABLE                        0x00080000
  539 #define SCTP_LOG_RWND_ENABLE                            0x00100000
  540 #define SCTP_LOG_SACK_ARRIVALS_ENABLE       0x00200000
  541 #define SCTP_LTRACE_CHUNK_ENABLE            0x00400000
  542 #define SCTP_LTRACE_ERROR_ENABLE            0x00800000
  543 #define SCTP_LAST_PACKET_TRACING            0x01000000
  544 #define SCTP_THRESHOLD_LOGGING              0x02000000
  545 #define SCTP_LOG_AT_SEND_2_SCTP             0x04000000
  546 #define SCTP_LOG_AT_SEND_2_OUTQ             0x08000000
  547 
  548 
  549 
  550 #undef SCTP_PACKED
  551 
  552 #endif                          /* !_NETINET_SCTP_H_ */

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