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

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    1 /*-
    2  * Copyright (c) 2001-2007, 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("$FreeBSD$");
   34 
   35 #ifndef _NETINET_SCTP_H_
   36 #define _NETINET_SCTP_H_
   37 
   38 #include <sys/types.h>
   39 
   40 /*
   41  * SCTP protocol - RFC2960.
   42  */
   43 struct sctphdr {
   44         uint16_t src_port;      /* source port */
   45         uint16_t dest_port;     /* destination port */
   46         uint32_t v_tag;         /* verification tag of packet */
   47         uint32_t checksum;      /* Adler32 C-Sum */
   48         /* chunks follow... */
   49 } 
   50 
   51 __attribute__((packed));
   52 
   53 /*
   54  * SCTP Chunks
   55  */
   56         struct sctp_chunkhdr {
   57                 uint8_t chunk_type;     /* chunk type */
   58                 uint8_t chunk_flags;    /* chunk flags */
   59                 uint16_t chunk_length;  /* chunk length */
   60                 /* optional params follow */
   61         }             __attribute__((packed));
   62 
   63 /*
   64  * SCTP chunk parameters
   65  */
   66         struct sctp_paramhdr {
   67                 uint16_t param_type;    /* parameter type */
   68                 uint16_t param_length;  /* parameter length */
   69         }             __attribute__((packed));
   70 
   71 /*
   72  * user socket options: socket API defined
   73  */
   74 /*
   75  * read-write options
   76  */
   77 #define SCTP_RTOINFO                    0x00000001
   78 #define SCTP_ASSOCINFO                  0x00000002
   79 #define SCTP_INITMSG                    0x00000003
   80 #define SCTP_NODELAY                    0x00000004
   81 #define SCTP_AUTOCLOSE                  0x00000005
   82 #define SCTP_SET_PEER_PRIMARY_ADDR      0x00000006
   83 #define SCTP_PRIMARY_ADDR               0x00000007
   84 #define SCTP_ADAPTATION_LAYER           0x00000008
   85 /* same as above */
   86 #define SCTP_ADAPTION_LAYER             0x00000008
   87 #define SCTP_DISABLE_FRAGMENTS          0x00000009
   88 #define SCTP_PEER_ADDR_PARAMS           0x0000000a
   89 #define SCTP_DEFAULT_SEND_PARAM         0x0000000b
   90 /* ancillary data/notification interest options */
   91 #define SCTP_EVENTS                     0x0000000c
   92 /* Without this applied we will give V4 and V6 addresses on a V6 socket */
   93 #define SCTP_I_WANT_MAPPED_V4_ADDR      0x0000000d
   94 #define SCTP_MAXSEG                     0x0000000e
   95 #define SCTP_DELAYED_SACK               0x0000000f
   96 #define SCTP_FRAGMENT_INTERLEAVE        0x00000010
   97 #define SCTP_PARTIAL_DELIVERY_POINT     0x00000011
   98 /* authentication support */
   99 #define SCTP_AUTH_CHUNK                 0x00000012
  100 #define SCTP_AUTH_KEY                   0x00000013
  101 #define SCTP_HMAC_IDENT                 0x00000014
  102 #define SCTP_AUTH_ACTIVE_KEY            0x00000015
  103 #define SCTP_AUTH_DELETE_KEY            0x00000016
  104 #define SCTP_USE_EXT_RCVINFO            0x00000017
  105 #define SCTP_AUTO_ASCONF                0x00000018      /* rw */
  106 #define SCTP_MAXBURST                   0x00000019      /* rw */
  107 #define SCTP_MAX_BURST                  0x00000019      /* rw */
  108 /* assoc level context */
  109 #define SCTP_CONTEXT                    0x0000001a      /* rw */
  110 /* explict EOR signalling */
  111 #define SCTP_EXPLICIT_EOR               0x0000001b
  112 
  113 /*
  114  * read-only options
  115  */
  116 #define SCTP_STATUS                     0x00000100
  117 #define SCTP_GET_PEER_ADDR_INFO         0x00000101
  118 /* authentication support */
  119 #define SCTP_PEER_AUTH_CHUNKS           0x00000102
  120 #define SCTP_LOCAL_AUTH_CHUNKS          0x00000103
  121 #define SCTP_GET_ASSOC_NUMBER           0x00000104      /* ro */
  122 #define SCTP_GET_ASSOC_ID_LIST          0x00000105      /* ro */
  123 
  124 /*
  125  * user socket options: BSD implementation specific
  126  */
  127 /*
  128  * Blocking I/O is enabled on any TCP type socket by default. For the UDP
  129  * model if this is turned on then the socket buffer is shared for send
  130  * resources amongst all associations.  The default for the UDP model is that
  131  * is SS_NBIO is set.  Which means all associations have a seperate send
  132  * limit BUT they will NOT ever BLOCK instead you will get an error back
  133  * EAGAIN if you try to send to much. If you want the blocking symantics you
  134  * set this option at the cost of sharing one socket send buffer size amongst
  135  * all associations. Peeled off sockets turn this option off and block. But
  136  * since both TCP and peeled off sockets have only one assoc per socket this
  137  * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
  138  * model OR peeled off UDP model, but we do allow you to do so. You just use
  139  * the normal syscall to toggle SS_NBIO the way you want.
  140  *
  141  * Blocking I/O is controled by the SS_NBIO flag on the socket state so_state
  142  * field.
  143  */
  144 
  145 /* these should probably go into sockets API */
  146 #define SCTP_RESET_STREAMS              0x00001004      /* wo */
  147 
  148 
  149 /* here on down are more implementation specific */
  150 #define SCTP_SET_DEBUG_LEVEL            0x00001005
  151 #define SCTP_CLR_STAT_LOG               0x00001007
  152 /* CMT ON/OFF socket option */
  153 #define SCTP_CMT_ON_OFF                 0x00001200
  154 #define SCTP_CMT_USE_DAC                0x00001201
  155 /* JRS - Pluggable Congestion Control Socket option */
  156 #define SCTP_PLUGGABLE_CC                               0x00001202
  157 
  158 /* read only */
  159 #define SCTP_GET_SNDBUF_USE             0x00001101
  160 #define SCTP_GET_STAT_LOG               0x00001103
  161 #define SCTP_PCB_STATUS                 0x00001104
  162 #define SCTP_GET_NONCE_VALUES           0x00001105
  163 
  164 
  165 /* Special hook for dynamically setting primary for all assoc's,
  166  * this is a write only option that requires root privledge.
  167  */
  168 #define SCTP_SET_DYNAMIC_PRIMARY        0x00002001
  169 
  170 /* VRF (virtual router feature) and multi-VRF support
  171  * options. VRF's provide splits within a router
  172  * that give the views of multiple routers. A
  173  * standard host, without VRF support, is just
  174  * a single VRF. If VRF's are supported then
  175  * the transport must be VRF aware. This means
  176  * that every socket call coming in must be directed
  177  * within the endpoint to one of the VRF's it belongs
  178  * to. The endpoint, before binding, may select
  179  * the "default" VRF it is in by using a set socket
  180  * option with SCTP_VRF_ID. This will also
  181  * get propegated to the default VRF. Once the
  182  * endpoint binds an address then it CANNOT add
  183  * additional VRF's to become a Multi-VRF endpoint.
  184  *
  185  * Before BINDING additional VRF's can be added with
  186  * the SCTP_ADD_VRF_ID call or deleted with
  187  * SCTP_DEL_VRF_ID.
  188  *
  189  * Associations are ALWAYS contained inside a single
  190  * VRF. They cannot reside in two (or more) VRF's. Incoming
  191  * packets, assuming the router is VRF aware, can always
  192  * tell us what VRF they arrived on. A host not supporting
  193  * any VRF's will find that the packets always arrived on the
  194  * single VRF that the host has.
  195  *
  196  */
  197 
  198 #define SCTP_VRF_ID                     0x00003001
  199 #define SCTP_ADD_VRF_ID                 0x00003002
  200 #define SCTP_GET_VRF_IDS                0x00003003
  201 #define SCTP_GET_ASOC_VRF               0x00003004
  202 #define SCTP_DEL_VRF_ID                 0x00003005
  203 
  204 /*
  205  * If you enable packet logging you can get
  206  * a poor mans ethereal output in binary
  207  * form. Note this is a compile option to
  208  * the kernel,  SCTP_PACKET_LOGGING, and
  209  * without it in your kernel you
  210  * will get a EOPNOTSUPP
  211  */
  212 #define SCTP_GET_PACKET_LOG             0x00004001
  213 
  214 /*
  215  * hidden implementation specific options these are NOT user visible (should
  216  * move out of sctp.h)
  217  */
  218 /* sctp_bindx() flags as hidden socket options */
  219 #define SCTP_BINDX_ADD_ADDR             0x00008001
  220 #define SCTP_BINDX_REM_ADDR             0x00008002
  221 /* Hidden socket option that gets the addresses */
  222 #define SCTP_GET_PEER_ADDRESSES         0x00008003
  223 #define SCTP_GET_LOCAL_ADDRESSES        0x00008004
  224 /* return the total count in bytes needed to hold all local addresses bound */
  225 #define SCTP_GET_LOCAL_ADDR_SIZE        0x00008005
  226 /* Return the total count in bytes needed to hold the remote address */
  227 #define SCTP_GET_REMOTE_ADDR_SIZE       0x00008006
  228 /* hidden option for connectx */
  229 #define SCTP_CONNECT_X                  0x00008007
  230 /* hidden option for connectx_delayed, part of sendx */
  231 #define SCTP_CONNECT_X_DELAYED          0x00008008
  232 #define SCTP_CONNECT_X_COMPLETE         0x00008009
  233 /* hidden socket option based sctp_peeloff */
  234 #define SCTP_PEELOFF                    0x0000800a
  235 /* the real worker for sctp_getaddrlen() */
  236 #define SCTP_GET_ADDR_LEN               0x0000800b
  237 /* temporary workaround for Apple listen() issue, no args used */
  238 #define SCTP_LISTEN_FIX                 0x0000800c
  239 /* Debug things that need to be purged */
  240 #define SCTP_SET_INITIAL_DBG_SEQ        0x00009f00
  241 
  242 /* JRS - Supported congestion control modules for pluggable
  243  * congestion control
  244  */
  245 /* Standard TCP Congestion Control */
  246 #define SCTP_CC_RFC2581         0x00000000
  247 /* High Speed TCP Congestion Control (Floyd) */
  248 #define SCTP_CC_HSTCP           0x00000001
  249 /* HTCP Congestion Control */
  250 #define SCTP_CC_HTCP            0x00000002
  251 
  252 
  253 /* fragment interleave constants
  254  * setting must be one of these or
  255  * EINVAL returned.
  256  */
  257 #define SCTP_FRAG_LEVEL_0    0x00000000
  258 #define SCTP_FRAG_LEVEL_1    0x00000001
  259 #define SCTP_FRAG_LEVEL_2    0x00000002
  260 
  261 /*
  262  * user state values
  263  */
  264 #define SCTP_CLOSED                     0x0000
  265 #define SCTP_BOUND                      0x1000
  266 #define SCTP_LISTEN                     0x2000
  267 #define SCTP_COOKIE_WAIT                0x0002
  268 #define SCTP_COOKIE_ECHOED              0x0004
  269 #define SCTP_ESTABLISHED                0x0008
  270 #define SCTP_SHUTDOWN_SENT              0x0010
  271 #define SCTP_SHUTDOWN_RECEIVED          0x0020
  272 #define SCTP_SHUTDOWN_ACK_SENT          0x0040
  273 #define SCTP_SHUTDOWN_PENDING           0x0080
  274 
  275 /*
  276  * SCTP operational error codes (user visible)
  277  */
  278 #define SCTP_CAUSE_NO_ERROR             0x0000
  279 #define SCTP_CAUSE_INVALID_STREAM       0x0001
  280 #define SCTP_CAUSE_MISSING_PARAM        0x0002
  281 #define SCTP_CAUSE_STALE_COOKIE         0x0003
  282 #define SCTP_CAUSE_OUT_OF_RESC          0x0004
  283 #define SCTP_CAUSE_UNRESOLVABLE_ADDR    0x0005
  284 #define SCTP_CAUSE_UNRECOG_CHUNK        0x0006
  285 #define SCTP_CAUSE_INVALID_PARAM        0x0007
  286 #define SCTP_CAUSE_UNRECOG_PARAM        0x0008
  287 #define SCTP_CAUSE_NO_USER_DATA         0x0009
  288 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN   0x000a
  289 #define SCTP_CAUSE_RESTART_W_NEWADDR    0x000b
  290 #define SCTP_CAUSE_USER_INITIATED_ABT   0x000c
  291 #define SCTP_CAUSE_PROTOCOL_VIOLATION   0x000d
  292 
  293 /* Error causes from RFC5061 */
  294 #define SCTP_CAUSE_DELETING_LAST_ADDR   0xa0
  295 #define SCTP_CAUSE_RESOURCE_SHORTAGE    0xa1
  296 #define SCTP_CAUSE_DELETING_SRC_ADDR    0xa2
  297 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK   0xa3
  298 #define SCTP_CAUSE_REQUEST_REFUSED      0xa4
  299 
  300 /* Error causes from RFC4895 */
  301 #define SCTP_CAUSE_UNSUPPORTED_HMACID   0x0105
  302 
  303 /*
  304  * error cause parameters (user visisble)
  305  */
  306         struct sctp_error_cause {
  307                 uint16_t code;
  308                 uint16_t length;
  309                 /* optional cause-specific info may follow */
  310         }                __attribute__((packed));
  311 
  312         struct sctp_error_invalid_stream {
  313                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_INVALID_STRE
  314                                                  * AM */
  315                 uint16_t stream_id;     /* stream id of the DATA in error */
  316                 uint16_t reserved;
  317         }                         __attribute__((packed));
  318 
  319         struct sctp_error_missing_param {
  320                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_MISSING_PARA
  321                                                  * M */
  322                 uint32_t num_missing_params;    /* number of missing
  323                                                  * parameters */
  324                 /* uint16_t param_type's follow */
  325         }                        __attribute__((packed));
  326 
  327         struct sctp_error_stale_cookie {
  328                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_STALE_COOKIE
  329                                                  *  */
  330                 uint32_t stale_time;    /* time in usec of staleness */
  331         }                       __attribute__((packed));
  332 
  333         struct sctp_error_out_of_resource {
  334                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_OUT_OF_RESOU
  335                                                  * RCES */
  336         }                          __attribute__((packed));
  337 
  338         struct sctp_error_unresolv_addr {
  339                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRESOLVABLE
  340                                                  * _ADDR */
  341 
  342         }                        __attribute__((packed));
  343 
  344         struct sctp_error_unrecognized_chunk {
  345                 struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRECOG_CHUN
  346                                                  * K */
  347                 struct sctp_chunkhdr ch;        /* header from chunk in error */
  348         }                             __attribute__((packed));
  349 
  350 /*
  351  * Main SCTP chunk types we place these here so natd and f/w's in user land
  352  * can find them.
  353  */
  354 /************0x00 series ***********/
  355 #define SCTP_DATA               0x00
  356 #define SCTP_INITIATION         0x01
  357 #define SCTP_INITIATION_ACK     0x02
  358 #define SCTP_SELECTIVE_ACK      0x03
  359 #define SCTP_HEARTBEAT_REQUEST  0x04
  360 #define SCTP_HEARTBEAT_ACK      0x05
  361 #define SCTP_ABORT_ASSOCIATION  0x06
  362 #define SCTP_SHUTDOWN           0x07
  363 #define SCTP_SHUTDOWN_ACK       0x08
  364 #define SCTP_OPERATION_ERROR    0x09
  365 #define SCTP_COOKIE_ECHO        0x0a
  366 #define SCTP_COOKIE_ACK         0x0b
  367 #define SCTP_ECN_ECHO           0x0c
  368 #define SCTP_ECN_CWR            0x0d
  369 #define SCTP_SHUTDOWN_COMPLETE  0x0e
  370 /* RFC4895 */
  371 #define SCTP_AUTHENTICATION     0x0f
  372 /************0x40 series ***********/
  373 /************0x80 series ***********/
  374 /* RFC5061 */
  375 #define SCTP_ASCONF_ACK         0x80
  376 /* draft-ietf-stewart-pktdrpsctp */
  377 #define SCTP_PACKET_DROPPED     0x81
  378 /* draft-ietf-stewart-strreset-xxx */
  379 #define SCTP_STREAM_RESET       0x82
  380 
  381 /* RFC4820                         */
  382 #define SCTP_PAD_CHUNK          0x84
  383 /************0xc0 series ***********/
  384 /* RFC3758 */
  385 #define SCTP_FORWARD_CUM_TSN    0xc0
  386 /* RFC5061 */
  387 #define SCTP_ASCONF             0xc1
  388 
  389 
  390 /* ABORT and SHUTDOWN COMPLETE FLAG */
  391 #define SCTP_HAD_NO_TCB         0x01
  392 
  393 /* Packet dropped flags */
  394 #define SCTP_FROM_MIDDLE_BOX    SCTP_HAD_NO_TCB
  395 #define SCTP_BADCRC             0x02
  396 #define SCTP_PACKET_TRUNCATED   0x04
  397 
  398 #define SCTP_SAT_NETWORK_MIN    400     /* min ms for RTT to set satellite
  399                                          * time */
  400 #define SCTP_SAT_NETWORK_BURST_INCR  2  /* how many times to multiply maxburst
  401                                          * in sat */
  402 
  403 /* Data Chuck Specific Flags */
  404 #define SCTP_DATA_FRAG_MASK     0x03
  405 #define SCTP_DATA_MIDDLE_FRAG   0x00
  406 #define SCTP_DATA_LAST_FRAG     0x01
  407 #define SCTP_DATA_FIRST_FRAG    0x02
  408 #define SCTP_DATA_NOT_FRAG      0x03
  409 #define SCTP_DATA_UNORDERED     0x04
  410 
  411 /* ECN Nonce: SACK Chunk Specific Flags */
  412 #define SCTP_SACK_NONCE_SUM     0x01
  413 
  414 /* CMT DAC algorithm SACK flag */
  415 #define SCTP_SACK_CMT_DAC       0x80
  416 
  417 /*
  418  * PCB flags (in sctp_flags bitmask).
  419  * Note the features and flags are meant
  420  * for use by netstat.
  421  */
  422 #define SCTP_PCB_FLAGS_UDPTYPE          0x00000001
  423 #define SCTP_PCB_FLAGS_TCPTYPE          0x00000002
  424 #define SCTP_PCB_FLAGS_BOUNDALL         0x00000004
  425 #define SCTP_PCB_FLAGS_ACCEPTING        0x00000008
  426 #define SCTP_PCB_FLAGS_UNBOUND          0x00000010
  427 #define SCTP_PCB_FLAGS_LISTENING        0x00000020
  428 #define SCTP_PCB_FLAGS_CLOSE_IP         0x00040000
  429 #define SCTP_PCB_FLAGS_WAS_CONNECTED    0x00080000
  430 #define SCTP_PCB_FLAGS_WAS_ABORTED      0x00100000
  431 /* TCP model support */
  432 
  433 #define SCTP_PCB_FLAGS_CONNECTED        0x00200000
  434 #define SCTP_PCB_FLAGS_IN_TCPPOOL       0x00400000
  435 #define SCTP_PCB_FLAGS_DONT_WAKE        0x00800000
  436 #define SCTP_PCB_FLAGS_WAKEOUTPUT       0x01000000
  437 #define SCTP_PCB_FLAGS_WAKEINPUT        0x02000000
  438 #define SCTP_PCB_FLAGS_BOUND_V6         0x04000000
  439 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4  0x08000000
  440 #define SCTP_PCB_FLAGS_BLOCKING_IO      0x10000000
  441 #define SCTP_PCB_FLAGS_SOCKET_GONE      0x20000000
  442 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE   0x40000000
  443 /* flags to copy to new PCB */
  444 #define SCTP_PCB_COPY_FLAGS             0x0e000004
  445 
  446 
  447 /*
  448  * PCB Features (in sctp_features bitmask)
  449  */
  450 #define SCTP_PCB_FLAGS_EXT_RCVINFO      0x00000002
  451 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT  0x00000004
  452 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE  0x00000008
  453 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x00000010
  454 #define SCTP_PCB_FLAGS_DO_ASCONF        0x00000020
  455 #define SCTP_PCB_FLAGS_AUTO_ASCONF      0x00000040
  456 #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080
  457 
  458 /* socket options */
  459 #define SCTP_PCB_FLAGS_NODELAY          0x00000100
  460 #define SCTP_PCB_FLAGS_AUTOCLOSE        0x00000200
  461 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT   0x00000400
  462 #define SCTP_PCB_FLAGS_RECVASSOCEVNT    0x00000800
  463 #define SCTP_PCB_FLAGS_RECVPADDREVNT    0x00001000
  464 #define SCTP_PCB_FLAGS_RECVPEERERR      0x00002000
  465 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000
  466 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000
  467 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT   0x00010000
  468 #define SCTP_PCB_FLAGS_PDAPIEVNT        0x00020000
  469 #define SCTP_PCB_FLAGS_AUTHEVNT         0x00040000
  470 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000
  471 #define SCTP_PCB_FLAGS_NO_FRAGMENT      0x00100000
  472 #define SCTP_PCB_FLAGS_EXPLICIT_EOR     0x00400000
  473 
  474 /*-
  475  * mobility_features parameters (by micchie).Note
  476  * these features are applied against the
  477  * sctp_mobility_features flags.. not the sctp_features
  478  * flags.
  479  */
  480 #define SCTP_MOBILITY_BASE              0x00000001
  481 #define SCTP_MOBILITY_FASTHANDOFF       0x00000002
  482 #define SCTP_MOBILITY_PRIM_DELETED      0x00000004
  483 
  484 
  485 #define SCTP_SMALLEST_PMTU 512  /* smallest pmtu allowed when disabling PMTU
  486                                  * discovery */
  487 
  488 #include <netinet/sctp_uio.h>
  489 
  490 /* This dictates the size of the packet
  491  * collection buffer. This only applies
  492  * if SCTP_PACKET_LOGGING is enabled in
  493  * your config.
  494  */
  495 #define SCTP_PACKET_LOG_SIZE 65536
  496 
  497 /* Maximum delays and such a user can set for options that
  498  * take ms.
  499  */
  500 #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */
  501 #define SCTP_MAX_HB_INTERVAL 14400000   /* 4 hours in ms */
  502 #define SCTP_MAX_COOKIE_LIFE  3600000   /* 1 hour in ms */
  503 
  504 
  505 /* Types of logging/KTR tracing  that can be enabled via the
  506  * sysctl net.inet.sctp.sctp_logging. You must also enable
  507  * SUBSYS tracing.
  508  * Note that you must have the SCTP option in the kernel
  509  * to enable these as well.
  510  */
  511 #define SCTP_BLK_LOGGING_ENABLE                         0x00000001
  512 #define SCTP_CWND_MONITOR_ENABLE                        0x00000002
  513 #define SCTP_CWND_LOGGING_ENABLE                        0x00000004
  514 #define SCTP_EARLYFR_LOGGING_ENABLE                     0x00000010
  515 #define SCTP_FLIGHT_LOGGING_ENABLE                      0x00000020
  516 #define SCTP_FR_LOGGING_ENABLE                          0x00000040
  517 #define SCTP_LOCK_LOGGING_ENABLE                        0x00000080
  518 #define SCTP_MAP_LOGGING_ENABLE                         0x00000100
  519 #define SCTP_MBCNT_LOGGING_ENABLE                       0x00000200
  520 #define SCTP_MBUF_LOGGING_ENABLE                        0x00000400
  521 #define SCTP_NAGLE_LOGGING_ENABLE                       0x00000800
  522 #define SCTP_RECV_RWND_LOGGING_ENABLE           0x00001000
  523 #define SCTP_RTTVAR_LOGGING_ENABLE                      0x00002000
  524 #define SCTP_SACK_LOGGING_ENABLE                        0x00004000
  525 #define SCTP_SACK_RWND_LOGGING_ENABLE           0x00008000
  526 #define SCTP_SB_LOGGING_ENABLE                          0x00010000
  527 #define SCTP_STR_LOGGING_ENABLE                         0x00020000
  528 #define SCTP_WAKE_LOGGING_ENABLE                        0x00040000
  529 #define SCTP_LOG_MAXBURST_ENABLE                        0x00080000
  530 #define SCTP_LOG_RWND_ENABLE                            0x00100000
  531 #define SCTP_LOG_SACK_ARRIVALS_ENABLE       0x00200000
  532 #define SCTP_LTRACE_CHUNK_ENABLE            0x00400000
  533 #define SCTP_LTRACE_ERROR_ENABLE            0x00800000
  534 #define SCTP_LAST_PACKET_TRACING            0x01000000
  535 #define SCTP_THRESHOLD_LOGGING              0x02000000
  536 #define SCTP_LOG_AT_SEND_2_SCTP             0x04000000
  537 #define SCTP_LOG_AT_SEND_2_OUTQ             0x08000000
  538 
  539 
  540 
  541 #endif                          /* !_NETINET_SCTP_H_ */

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