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

     /*-
      * Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
      * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
      * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are met:
      *
      * a) Redistributions of source code must retain the above copyright notice,
     *    this list of conditions and the following disclaimer.
     *
     * b) Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in
     *    the documentation and/or other materials provided with the distribution.
     *
     * c) Neither the name of Cisco Systems, Inc. nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/10.1/sys/netinet/sctp.h 270363 2014-08-22 20:26:20Z tuexen $");
    
    #ifndef _NETINET_SCTP_H_
    #define _NETINET_SCTP_H_
    
    
    #include <sys/types.h>
    
    
    #define SCTP_PACKED __attribute__((packed))
    
    /*
     * SCTP protocol - RFC4960.
     */
    struct sctphdr {
            uint16_t src_port;      /* source port */
            uint16_t dest_port;     /* destination port */
            uint32_t v_tag;         /* verification tag of packet */
            uint32_t checksum;      /* CRC32C checksum */
            /* chunks follow... */
    }       SCTP_PACKED;
    
    /*
     * SCTP Chunks
     */
    struct sctp_chunkhdr {
            uint8_t chunk_type;     /* chunk type */
            uint8_t chunk_flags;    /* chunk flags */
            uint16_t chunk_length;  /* chunk length */
            /* optional params follow */
    }             SCTP_PACKED;
    
    /*
     * SCTP chunk parameters
     */
    struct sctp_paramhdr {
            uint16_t param_type;    /* parameter type */
            uint16_t param_length;  /* parameter length */
    }             SCTP_PACKED;
    
    /*
     * user socket options: socket API defined
     */
    /*
     * read-write options
     */
    #define SCTP_RTOINFO                    0x00000001
    #define SCTP_ASSOCINFO                  0x00000002
    #define SCTP_INITMSG                    0x00000003
    #define SCTP_NODELAY                    0x00000004
    #define SCTP_AUTOCLOSE                  0x00000005
    #define SCTP_SET_PEER_PRIMARY_ADDR      0x00000006
    #define SCTP_PRIMARY_ADDR               0x00000007
    #define SCTP_ADAPTATION_LAYER           0x00000008
    /* same as above */
    #define SCTP_ADAPTION_LAYER             0x00000008
    #define SCTP_DISABLE_FRAGMENTS          0x00000009
    #define SCTP_PEER_ADDR_PARAMS           0x0000000a
    #define SCTP_DEFAULT_SEND_PARAM         0x0000000b
    /* ancillary data/notification interest options */
    #define SCTP_EVENTS                     0x0000000c      /* deprecated */
    /* Without this applied we will give V4 and V6 addresses on a V6 socket */
    #define SCTP_I_WANT_MAPPED_V4_ADDR      0x0000000d
    #define SCTP_MAXSEG                     0x0000000e
    #define SCTP_DELAYED_SACK               0x0000000f
    #define SCTP_FRAGMENT_INTERLEAVE        0x00000010
   #define SCTP_PARTIAL_DELIVERY_POINT     0x00000011
   /* authentication support */
   #define SCTP_AUTH_CHUNK                 0x00000012
   #define SCTP_AUTH_KEY                   0x00000013
   #define SCTP_HMAC_IDENT                 0x00000014
   #define SCTP_AUTH_ACTIVE_KEY            0x00000015
   #define SCTP_AUTH_DELETE_KEY            0x00000016
   #define SCTP_USE_EXT_RCVINFO            0x00000017
   #define SCTP_AUTO_ASCONF                0x00000018      /* rw */
   #define SCTP_MAXBURST                   0x00000019      /* rw */
   #define SCTP_MAX_BURST                  0x00000019      /* rw */
   /* assoc level context */
   #define SCTP_CONTEXT                    0x0000001a      /* rw */
   /* explicit EOR signalling */
   #define SCTP_EXPLICIT_EOR               0x0000001b
   #define SCTP_REUSE_PORT                 0x0000001c      /* rw */
   #define SCTP_AUTH_DEACTIVATE_KEY        0x0000001d
   #define SCTP_EVENT                      0x0000001e
   #define SCTP_RECVRCVINFO                0x0000001f
   #define SCTP_RECVNXTINFO                0x00000020
   #define SCTP_DEFAULT_SNDINFO            0x00000021
   #define SCTP_DEFAULT_PRINFO             0x00000022
   #define SCTP_PEER_ADDR_THLDS            0x00000023
   #define SCTP_REMOTE_UDP_ENCAPS_PORT     0x00000024
   #define SCTP_ECN_SUPPORTED              0x00000025
   #define SCTP_PR_SUPPORTED               0x00000026
   #define SCTP_AUTH_SUPPORTED             0x00000027
   #define SCTP_ASCONF_SUPPORTED           0x00000028
   #define SCTP_RECONFIG_SUPPORTED         0x00000029
   #define SCTP_NRSACK_SUPPORTED           0x00000030
   #define SCTP_PKTDROP_SUPPORTED          0x00000031
   
   /*
    * read-only options
    */
   #define SCTP_STATUS                     0x00000100
   #define SCTP_GET_PEER_ADDR_INFO         0x00000101
   /* authentication support */
   #define SCTP_PEER_AUTH_CHUNKS           0x00000102
   #define SCTP_LOCAL_AUTH_CHUNKS          0x00000103
   #define SCTP_GET_ASSOC_NUMBER           0x00000104      /* ro */
   #define SCTP_GET_ASSOC_ID_LIST          0x00000105      /* ro */
   #define SCTP_TIMEOUTS                   0x00000106
   #define SCTP_PR_STREAM_STATUS           0x00000107
   #define SCTP_PR_ASSOC_STATUS            0x00000108
   
   /*
    * user socket options: BSD implementation specific
    */
   /*
    * Blocking I/O is enabled on any TCP type socket by default. For the UDP
    * model if this is turned on then the socket buffer is shared for send
    * resources amongst all associations.  The default for the UDP model is that
    * is SS_NBIO is set.  Which means all associations have a separate send
    * limit BUT they will NOT ever BLOCK instead you will get an error back
    * EAGAIN if you try to send too much. If you want the blocking semantics you
    * set this option at the cost of sharing one socket send buffer size amongst
    * all associations. Peeled off sockets turn this option off and block. But
    * since both TCP and peeled off sockets have only one assoc per socket this
    * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
    * model OR peeled off UDP model, but we do allow you to do so. You just use
    * the normal syscall to toggle SS_NBIO the way you want.
    *
    * Blocking I/O is controlled by the SS_NBIO flag on the socket state so_state
    * field.
    */
   
   #define SCTP_ENABLE_STREAM_RESET        0x00000900      /* struct
                                                            * sctp_assoc_value */
   #define SCTP_RESET_STREAMS              0x00000901      /* struct
                                                            * sctp_reset_streams */
   #define SCTP_RESET_ASSOC                0x00000902      /* sctp_assoc_t */
   #define SCTP_ADD_STREAMS                0x00000903      /* struct
                                                            * sctp_add_streams */
   
   /* For enable stream reset */
   #define SCTP_ENABLE_RESET_STREAM_REQ    0x00000001
   #define SCTP_ENABLE_RESET_ASSOC_REQ     0x00000002
   #define SCTP_ENABLE_CHANGE_ASSOC_REQ    0x00000004
   #define SCTP_ENABLE_VALUE_MASK          0x00000007
   /* For reset streams */
   #define SCTP_STREAM_RESET_INCOMING      0x00000001
   #define SCTP_STREAM_RESET_OUTGOING      0x00000002
   
   
   /* here on down are more implementation specific */
   #define SCTP_SET_DEBUG_LEVEL            0x00001005
   #define SCTP_CLR_STAT_LOG               0x00001007
   /* CMT ON/OFF socket option */
   #define SCTP_CMT_ON_OFF                 0x00001200
   #define SCTP_CMT_USE_DAC                0x00001201
   /* JRS - Pluggable Congestion Control Socket option */
   #define SCTP_PLUGGABLE_CC               0x00001202
   /* RS - Pluggable Stream Scheduling Socket option */
   #define SCTP_PLUGGABLE_SS               0x00001203
   #define SCTP_SS_VALUE                   0x00001204
   #define SCTP_CC_OPTION                  0x00001205      /* Options for CC
                                                            * modules */
   /* read only */
   #define SCTP_GET_SNDBUF_USE             0x00001101
   #define SCTP_GET_STAT_LOG               0x00001103
   #define SCTP_PCB_STATUS                 0x00001104
   #define SCTP_GET_NONCE_VALUES           0x00001105
   
   
   /* Special hook for dynamically setting primary for all assoc's,
    * this is a write only option that requires root privilege.
    */
   #define SCTP_SET_DYNAMIC_PRIMARY        0x00002001
   
   /* VRF (virtual router feature) and multi-VRF support
    * options. VRF's provide splits within a router
    * that give the views of multiple routers. A
    * standard host, without VRF support, is just
    * a single VRF. If VRF's are supported then
    * the transport must be VRF aware. This means
    * that every socket call coming in must be directed
    * within the endpoint to one of the VRF's it belongs
    * to. The endpoint, before binding, may select
    * the "default" VRF it is in by using a set socket
    * option with SCTP_VRF_ID. This will also
    * get propagated to the default VRF. Once the
    * endpoint binds an address then it CANNOT add
    * additional VRF's to become a Multi-VRF endpoint.
    *
    * Before BINDING additional VRF's can be added with
    * the SCTP_ADD_VRF_ID call or deleted with
    * SCTP_DEL_VRF_ID.
    *
    * Associations are ALWAYS contained inside a single
    * VRF. They cannot reside in two (or more) VRF's. Incoming
    * packets, assuming the router is VRF aware, can always
    * tell us what VRF they arrived on. A host not supporting
    * any VRF's will find that the packets always arrived on the
    * single VRF that the host has.
    *
    */
   
   #define SCTP_VRF_ID                     0x00003001
   #define SCTP_ADD_VRF_ID                 0x00003002
   #define SCTP_GET_VRF_IDS                0x00003003
   #define SCTP_GET_ASOC_VRF               0x00003004
   #define SCTP_DEL_VRF_ID                 0x00003005
   
   /*
    * If you enable packet logging you can get
    * a poor mans ethereal output in binary
    * form. Note this is a compile option to
    * the kernel,  SCTP_PACKET_LOGGING, and
    * without it in your kernel you
    * will get a EOPNOTSUPP
    */
   #define SCTP_GET_PACKET_LOG             0x00004001
   
   /*
    * hidden implementation specific options these are NOT user visible (should
    * move out of sctp.h)
    */
   /* sctp_bindx() flags as hidden socket options */
   #define SCTP_BINDX_ADD_ADDR             0x00008001
   #define SCTP_BINDX_REM_ADDR             0x00008002
   /* Hidden socket option that gets the addresses */
   #define SCTP_GET_PEER_ADDRESSES         0x00008003
   #define SCTP_GET_LOCAL_ADDRESSES        0x00008004
   /* return the total count in bytes needed to hold all local addresses bound */
   #define SCTP_GET_LOCAL_ADDR_SIZE        0x00008005
   /* Return the total count in bytes needed to hold the remote address */
   #define SCTP_GET_REMOTE_ADDR_SIZE       0x00008006
   /* hidden option for connectx */
   #define SCTP_CONNECT_X                  0x00008007
   /* hidden option for connectx_delayed, part of sendx */
   #define SCTP_CONNECT_X_DELAYED          0x00008008
   #define SCTP_CONNECT_X_COMPLETE         0x00008009
   /* hidden socket option based sctp_peeloff */
   #define SCTP_PEELOFF                    0x0000800a
   /* the real worker for sctp_getaddrlen() */
   #define SCTP_GET_ADDR_LEN               0x0000800b
   /* Debug things that need to be purged */
   #define SCTP_SET_INITIAL_DBG_SEQ        0x00009f00
   
   /* JRS - Supported congestion control modules for pluggable
    * congestion control
    */
   /* Standard TCP Congestion Control */
   #define SCTP_CC_RFC2581         0x00000000
   /* High Speed TCP Congestion Control (Floyd) */
   #define SCTP_CC_HSTCP           0x00000001
   /* HTCP Congestion Control */
   #define SCTP_CC_HTCP            0x00000002
   /* RTCC Congestion Control - RFC2581 plus */
   #define SCTP_CC_RTCC            0x00000003
   
   #define SCTP_CC_OPT_RTCC_SETMODE        0x00002000
   #define SCTP_CC_OPT_USE_DCCC_ECN        0x00002001
   #define SCTP_CC_OPT_STEADY_STEP         0x00002002
   
   #define SCTP_CMT_OFF            0
   #define SCTP_CMT_BASE           1
   #define SCTP_CMT_RPV1           2
   #define SCTP_CMT_RPV2           3
   #define SCTP_CMT_MPTCP          4
   #define SCTP_CMT_MAX            SCTP_CMT_MPTCP
   
   /* RS - Supported stream scheduling modules for pluggable
    * stream scheduling
    */
   /* Default simple round-robin */
   #define SCTP_SS_DEFAULT                 0x00000000
   /* Real round-robin */
   #define SCTP_SS_ROUND_ROBIN             0x00000001
   /* Real round-robin per packet */
   #define SCTP_SS_ROUND_ROBIN_PACKET      0x00000002
   /* Priority */
   #define SCTP_SS_PRIORITY                0x00000003
   /* Fair Bandwidth */
   #define SCTP_SS_FAIR_BANDWITH           0x00000004
   /* First-come, first-serve */
   #define SCTP_SS_FIRST_COME              0x00000005
   
   
   /* fragment interleave constants
    * setting must be one of these or
    * EINVAL returned.
    */
   #define SCTP_FRAG_LEVEL_0    0x00000000
   #define SCTP_FRAG_LEVEL_1    0x00000001
   #define SCTP_FRAG_LEVEL_2    0x00000002
   
   /*
    * user state values
    */
   #define SCTP_CLOSED                     0x0000
   #define SCTP_BOUND                      0x1000
   #define SCTP_LISTEN                     0x2000
   #define SCTP_COOKIE_WAIT                0x0002
   #define SCTP_COOKIE_ECHOED              0x0004
   #define SCTP_ESTABLISHED                0x0008
   #define SCTP_SHUTDOWN_SENT              0x0010
   #define SCTP_SHUTDOWN_RECEIVED          0x0020
   #define SCTP_SHUTDOWN_ACK_SENT          0x0040
   #define SCTP_SHUTDOWN_PENDING           0x0080
   
   /*
    * SCTP operational error codes (user visible)
    */
   #define SCTP_CAUSE_NO_ERROR             0x0000
   #define SCTP_CAUSE_INVALID_STREAM       0x0001
   #define SCTP_CAUSE_MISSING_PARAM        0x0002
   #define SCTP_CAUSE_STALE_COOKIE         0x0003
   #define SCTP_CAUSE_OUT_OF_RESC          0x0004
   #define SCTP_CAUSE_UNRESOLVABLE_ADDR    0x0005
   #define SCTP_CAUSE_UNRECOG_CHUNK        0x0006
   #define SCTP_CAUSE_INVALID_PARAM        0x0007
   #define SCTP_CAUSE_UNRECOG_PARAM        0x0008
   #define SCTP_CAUSE_NO_USER_DATA         0x0009
   #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN   0x000a
   #define SCTP_CAUSE_RESTART_W_NEWADDR    0x000b
   #define SCTP_CAUSE_USER_INITIATED_ABT   0x000c
   #define SCTP_CAUSE_PROTOCOL_VIOLATION   0x000d
   
   /* Error causes from RFC5061 */
   #define SCTP_CAUSE_DELETING_LAST_ADDR   0x00a0
   #define SCTP_CAUSE_RESOURCE_SHORTAGE    0x00a1
   #define SCTP_CAUSE_DELETING_SRC_ADDR    0x00a2
   #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK   0x00a3
   #define SCTP_CAUSE_REQUEST_REFUSED      0x00a4
   
   /* Error causes from nat-draft */
   #define SCTP_CAUSE_NAT_COLLIDING_STATE  0x00b0
   #define SCTP_CAUSE_NAT_MISSING_STATE    0x00b1
   
   /* Error causes from RFC4895 */
   #define SCTP_CAUSE_UNSUPPORTED_HMACID   0x0105
   
   /*
    * error cause parameters (user visible)
    */
   struct sctp_gen_error_cause {
           uint16_t code;
           uint16_t length;
           uint8_t info[];
   }                    SCTP_PACKED;
   
   struct sctp_error_cause {
           uint16_t code;
           uint16_t length;
           /* optional cause-specific info may follow */
   }                SCTP_PACKED;
   
   struct sctp_error_invalid_stream {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_INVALID_STREAM */
           uint16_t stream_id;     /* stream id of the DATA in error */
           uint16_t reserved;
   }                         SCTP_PACKED;
   
   struct sctp_error_missing_param {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_MISSING_PARAM */
           uint32_t num_missing_params;    /* number of missing parameters */
           /* uint16_t param_type's follow */
   }                        SCTP_PACKED;
   
   struct sctp_error_stale_cookie {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_STALE_COOKIE */
           uint32_t stale_time;    /* time in usec of staleness */
   }                       SCTP_PACKED;
   
   struct sctp_error_out_of_resource {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_OUT_OF_RESOURCES */
   }                          SCTP_PACKED;
   
   struct sctp_error_unresolv_addr {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */
   
   }                        SCTP_PACKED;
   
   struct sctp_error_unrecognized_chunk {
           struct sctp_error_cause cause;  /* code=SCTP_ERROR_UNRECOG_CHUNK */
           struct sctp_chunkhdr ch;/* header from chunk in error */
   }                             SCTP_PACKED;
   
   struct sctp_error_no_user_data {
           struct sctp_error_cause cause;  /* code=SCTP_CAUSE_NO_USER_DATA */
           uint32_t tsn;           /* TSN of the empty data chunk */
   }                       SCTP_PACKED;
   
   /*
    * Main SCTP chunk types we place these here so natd and f/w's in user land
    * can find them.
    */
   /************0x00 series ***********/
   #define SCTP_DATA               0x00
   #define SCTP_INITIATION         0x01
   #define SCTP_INITIATION_ACK     0x02
   #define SCTP_SELECTIVE_ACK      0x03
   #define SCTP_HEARTBEAT_REQUEST  0x04
   #define SCTP_HEARTBEAT_ACK      0x05
   #define SCTP_ABORT_ASSOCIATION  0x06
   #define SCTP_SHUTDOWN           0x07
   #define SCTP_SHUTDOWN_ACK       0x08
   #define SCTP_OPERATION_ERROR    0x09
   #define SCTP_COOKIE_ECHO        0x0a
   #define SCTP_COOKIE_ACK         0x0b
   #define SCTP_ECN_ECHO           0x0c
   #define SCTP_ECN_CWR            0x0d
   #define SCTP_SHUTDOWN_COMPLETE  0x0e
   /* RFC4895 */
   #define SCTP_AUTHENTICATION     0x0f
   /* EY nr_sack chunk id*/
   #define SCTP_NR_SELECTIVE_ACK   0x10
   /************0x40 series ***********/
   /************0x80 series ***********/
   /* RFC5061 */
   #define SCTP_ASCONF_ACK         0x80
   /* draft-ietf-stewart-pktdrpsctp */
   #define SCTP_PACKET_DROPPED     0x81
   /* draft-ietf-stewart-strreset-xxx */
   #define SCTP_STREAM_RESET       0x82
   
   /* RFC4820                         */
   #define SCTP_PAD_CHUNK          0x84
   /************0xc0 series ***********/
   /* RFC3758 */
   #define SCTP_FORWARD_CUM_TSN    0xc0
   /* RFC5061 */
   #define SCTP_ASCONF             0xc1
   
   
   /* ABORT and SHUTDOWN COMPLETE FLAG */
   #define SCTP_HAD_NO_TCB         0x01
   
   /* Packet dropped flags */
   #define SCTP_FROM_MIDDLE_BOX    SCTP_HAD_NO_TCB
   #define SCTP_BADCRC             0x02
   #define SCTP_PACKET_TRUNCATED   0x04
   
   /* Flag for ECN -CWR */
   #define SCTP_CWR_REDUCE_OVERRIDE 0x01
   #define SCTP_CWR_IN_SAME_WINDOW  0x02
   
   #define SCTP_SAT_NETWORK_MIN    400     /* min ms for RTT to set satellite
                                            * time */
   #define SCTP_SAT_NETWORK_BURST_INCR  2  /* how many times to multiply maxburst
                                            * in sat */
   
   /* Data Chuck Specific Flags */
   #define SCTP_DATA_FRAG_MASK        0x03
   #define SCTP_DATA_MIDDLE_FRAG      0x00
   #define SCTP_DATA_LAST_FRAG        0x01
   #define SCTP_DATA_FIRST_FRAG       0x02
   #define SCTP_DATA_NOT_FRAG         0x03
   #define SCTP_DATA_UNORDERED        0x04
   #define SCTP_DATA_SACK_IMMEDIATELY 0x08
   /* ECN Nonce: SACK Chunk Specific Flags */
   #define SCTP_SACK_NONCE_SUM        0x01
   
   /* CMT DAC algorithm SACK flag */
   #define SCTP_SACK_CMT_DAC          0x80
   
   /*
    * PCB flags (in sctp_flags bitmask).
    * Note the features and flags are meant
    * for use by netstat.
    */
   #define SCTP_PCB_FLAGS_UDPTYPE          0x00000001
   #define SCTP_PCB_FLAGS_TCPTYPE          0x00000002
   #define SCTP_PCB_FLAGS_BOUNDALL         0x00000004
   #define SCTP_PCB_FLAGS_ACCEPTING        0x00000008
   #define SCTP_PCB_FLAGS_UNBOUND          0x00000010
   #define SCTP_PCB_FLAGS_CLOSE_IP         0x00040000
   #define SCTP_PCB_FLAGS_WAS_CONNECTED    0x00080000
   #define SCTP_PCB_FLAGS_WAS_ABORTED      0x00100000
   /* TCP model support */
   
   #define SCTP_PCB_FLAGS_CONNECTED        0x00200000
   #define SCTP_PCB_FLAGS_IN_TCPPOOL       0x00400000
   #define SCTP_PCB_FLAGS_DONT_WAKE        0x00800000
   #define SCTP_PCB_FLAGS_WAKEOUTPUT       0x01000000
   #define SCTP_PCB_FLAGS_WAKEINPUT        0x02000000
   #define SCTP_PCB_FLAGS_BOUND_V6         0x04000000
   #define SCTP_PCB_FLAGS_BLOCKING_IO      0x08000000
   #define SCTP_PCB_FLAGS_SOCKET_GONE      0x10000000
   #define SCTP_PCB_FLAGS_SOCKET_ALLGONE   0x20000000
   #define SCTP_PCB_FLAGS_SOCKET_CANT_READ 0x40000000
   
   /* flags to copy to new PCB */
   #define SCTP_PCB_COPY_FLAGS             (SCTP_PCB_FLAGS_BOUNDALL|\
                                            SCTP_PCB_FLAGS_WAKEINPUT|\
                                            SCTP_PCB_FLAGS_BOUND_V6)
   
   /*
    * PCB Features (in sctp_features bitmask)
    */
   #define SCTP_PCB_FLAGS_DO_NOT_PMTUD      0x0000000000000001
   #define SCTP_PCB_FLAGS_EXT_RCVINFO       0x0000000000000002     /* deprecated */
   #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT   0x0000000000000004
   #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE   0x0000000000000008
   #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS  0x0000000000000010
   #define SCTP_PCB_FLAGS_DO_ASCONF         0x0000000000000020
   #define SCTP_PCB_FLAGS_AUTO_ASCONF       0x0000000000000040
   #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE  0x0000000000000080
   /* socket options */
   #define SCTP_PCB_FLAGS_NODELAY           0x0000000000000100
   #define SCTP_PCB_FLAGS_AUTOCLOSE         0x0000000000000200
   #define SCTP_PCB_FLAGS_RECVDATAIOEVNT    0x0000000000000400     /* deprecated */
   #define SCTP_PCB_FLAGS_RECVASSOCEVNT     0x0000000000000800
   #define SCTP_PCB_FLAGS_RECVPADDREVNT     0x0000000000001000
   #define SCTP_PCB_FLAGS_RECVPEERERR       0x0000000000002000
   #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT  0x0000000000004000     /* deprecated */
   #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT  0x0000000000008000
   #define SCTP_PCB_FLAGS_ADAPTATIONEVNT    0x0000000000010000
   #define SCTP_PCB_FLAGS_PDAPIEVNT         0x0000000000020000
   #define SCTP_PCB_FLAGS_AUTHEVNT          0x0000000000040000
   #define SCTP_PCB_FLAGS_STREAM_RESETEVNT  0x0000000000080000
   #define SCTP_PCB_FLAGS_NO_FRAGMENT       0x0000000000100000
   #define SCTP_PCB_FLAGS_EXPLICIT_EOR      0x0000000000400000
   #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4   0x0000000000800000
   #define SCTP_PCB_FLAGS_MULTIPLE_ASCONFS  0x0000000001000000
   #define SCTP_PCB_FLAGS_PORTREUSE         0x0000000002000000
   #define SCTP_PCB_FLAGS_DRYEVNT           0x0000000004000000
   #define SCTP_PCB_FLAGS_RECVRCVINFO       0x0000000008000000
   #define SCTP_PCB_FLAGS_RECVNXTINFO       0x0000000010000000
   #define SCTP_PCB_FLAGS_ASSOC_RESETEVNT   0x0000000020000000
   #define SCTP_PCB_FLAGS_STREAM_CHANGEEVNT 0x0000000040000000
   #define SCTP_PCB_FLAGS_RECVNSENDFAILEVNT 0x0000000080000000
   
   /*-
    * mobility_features parameters (by micchie).Note
    * these features are applied against the
    * sctp_mobility_features flags.. not the sctp_features
    * flags.
    */
   #define SCTP_MOBILITY_BASE               0x00000001
   #define SCTP_MOBILITY_FASTHANDOFF        0x00000002
   #define SCTP_MOBILITY_PRIM_DELETED       0x00000004
   
   
   #define SCTP_SMALLEST_PMTU 512  /* smallest pmtu allowed when disabling PMTU
                                    * discovery */
   
   #undef SCTP_PACKED
   
   #include <netinet/sctp_uio.h>
   
   /* This dictates the size of the packet
    * collection buffer. This only applies
    * if SCTP_PACKET_LOGGING is enabled in
    * your config.
    */
   #define SCTP_PACKET_LOG_SIZE 65536
   
   /* Maximum delays and such a user can set for options that
    * take ms.
    */
   #define SCTP_MAX_SACK_DELAY 500 /* per RFC4960 */
   #define SCTP_MAX_HB_INTERVAL 14400000   /* 4 hours in ms */
   #define SCTP_MAX_COOKIE_LIFE  3600000   /* 1 hour in ms */
   
   
   /* Types of logging/KTR tracing  that can be enabled via the
    * sysctl net.inet.sctp.sctp_logging. You must also enable
    * SUBSYS tracing.
    * Note that you must have the SCTP option in the kernel
    * to enable these as well.
    */
   #define SCTP_BLK_LOGGING_ENABLE                         0x00000001
   #define SCTP_CWND_MONITOR_ENABLE                        0x00000002
   #define SCTP_CWND_LOGGING_ENABLE                        0x00000004
   #define SCTP_FLIGHT_LOGGING_ENABLE                      0x00000020
   #define SCTP_FR_LOGGING_ENABLE                          0x00000040
   #define SCTP_LOCK_LOGGING_ENABLE                        0x00000080
   #define SCTP_MAP_LOGGING_ENABLE                         0x00000100
   #define SCTP_MBCNT_LOGGING_ENABLE                       0x00000200
   #define SCTP_MBUF_LOGGING_ENABLE                        0x00000400
   #define SCTP_NAGLE_LOGGING_ENABLE                       0x00000800
   #define SCTP_RECV_RWND_LOGGING_ENABLE                   0x00001000
   #define SCTP_RTTVAR_LOGGING_ENABLE                      0x00002000
   #define SCTP_SACK_LOGGING_ENABLE                        0x00004000
   #define SCTP_SACK_RWND_LOGGING_ENABLE                   0x00008000
   #define SCTP_SB_LOGGING_ENABLE                          0x00010000
   #define SCTP_STR_LOGGING_ENABLE                         0x00020000
   #define SCTP_WAKE_LOGGING_ENABLE                        0x00040000
   #define SCTP_LOG_MAXBURST_ENABLE                        0x00080000
   #define SCTP_LOG_RWND_ENABLE                            0x00100000
   #define SCTP_LOG_SACK_ARRIVALS_ENABLE                   0x00200000
   #define SCTP_LTRACE_CHUNK_ENABLE                        0x00400000
   #define SCTP_LTRACE_ERROR_ENABLE                        0x00800000
   #define SCTP_LAST_PACKET_TRACING                        0x01000000
   #define SCTP_THRESHOLD_LOGGING                          0x02000000
   #define SCTP_LOG_AT_SEND_2_SCTP                         0x04000000
   #define SCTP_LOG_AT_SEND_2_OUTQ                         0x08000000
   #define SCTP_LOG_TRY_ADVANCE                            0x10000000
   
   #endif                          /* !_NETINET_SCTP_H_ */

Cache object: 782d936be305973d04e178a98bf9f15c