text: /****************************************************************************
   ****************************************************************************
   ***
   ***   This header was automatically generated from a Linux kernel header
   ***   of the same name, to make information necessary for userspace to
   ***   call into the kernel available to libc.  It contains only constants,
   ***   structures, and macros generated from the original header, and thus,
   ***   contains no copyrightable information.
   ***
   ***   To edit the content of this header, modify the corresponding
   ***   source file (e.g. under external/kernel-headers/original/) then
   ***   run bionic/libc/kernel/tools/update_all.py
   ***
   ***   Any manual change here will be lost the next time this script will
   ***   be run. You've been warned!
   ***
   ****************************************************************************
   ****************************************************************************/
  #ifndef _UAPI_SCTP_H
  #define _UAPI_SCTP_H
  #include <linux/types.h>
  #include <linux/socket.h>
  typedef __s32 sctp_assoc_t;
  #define SCTP_RTOINFO 0
  #define SCTP_ASSOCINFO 1
  #define SCTP_INITMSG 2
  #define SCTP_NODELAY 3
  #define SCTP_AUTOCLOSE 4
  #define SCTP_SET_PEER_PRIMARY_ADDR 5
  #define SCTP_PRIMARY_ADDR 6
  #define SCTP_ADAPTATION_LAYER 7
  #define SCTP_DISABLE_FRAGMENTS 8
  #define SCTP_PEER_ADDR_PARAMS 9
  #define SCTP_DEFAULT_SEND_PARAM 10
  #define SCTP_EVENTS 11
  #define SCTP_I_WANT_MAPPED_V4_ADDR 12
  #define SCTP_MAXSEG 13
  #define SCTP_STATUS 14
  #define SCTP_GET_PEER_ADDR_INFO 15
  #define SCTP_DELAYED_ACK_TIME 16
  #define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
  #define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME
  #define SCTP_CONTEXT 17
  #define SCTP_FRAGMENT_INTERLEAVE 18
  #define SCTP_PARTIAL_DELIVERY_POINT 19
  #define SCTP_MAX_BURST 20
  #define SCTP_AUTH_CHUNK 21
  #define SCTP_HMAC_IDENT 22
  #define SCTP_AUTH_KEY 23
  #define SCTP_AUTH_ACTIVE_KEY 24
  #define SCTP_AUTH_DELETE_KEY 25
  #define SCTP_PEER_AUTH_CHUNKS 26
  #define SCTP_LOCAL_AUTH_CHUNKS 27
  #define SCTP_GET_ASSOC_NUMBER 28
  #define SCTP_GET_ASSOC_ID_LIST 29
  #define SCTP_AUTO_ASCONF 30
  #define SCTP_PEER_ADDR_THLDS 31
  #define SCTP_RECVRCVINFO 32
  #define SCTP_RECVNXTINFO 33
  #define SCTP_DEFAULT_SNDINFO 34
  #define SCTP_AUTH_DEACTIVATE_KEY 35
  #define SCTP_REUSE_PORT 36
  #define SCTP_SOCKOPT_BINDX_ADD 100
  #define SCTP_SOCKOPT_BINDX_REM 101
  #define SCTP_SOCKOPT_PEELOFF 102
  #define SCTP_SOCKOPT_CONNECTX_OLD 107
  #define SCTP_GET_PEER_ADDRS 108
  #define SCTP_GET_LOCAL_ADDRS 109
  #define SCTP_SOCKOPT_CONNECTX 110
  #define SCTP_SOCKOPT_CONNECTX3 111
  #define SCTP_GET_ASSOC_STATS 112
  #define SCTP_PR_SUPPORTED 113
  #define SCTP_DEFAULT_PRINFO 114
  #define SCTP_PR_ASSOC_STATUS 115
  #define SCTP_PR_STREAM_STATUS 116
  #define SCTP_RECONFIG_SUPPORTED 117
  #define SCTP_ENABLE_STREAM_RESET 118
  #define SCTP_RESET_STREAMS 119
  #define SCTP_RESET_ASSOC 120
  #define SCTP_ADD_STREAMS 121
  #define SCTP_SOCKOPT_PEELOFF_FLAGS 122
  #define SCTP_STREAM_SCHEDULER 123
  #define SCTP_STREAM_SCHEDULER_VALUE 124
  #define SCTP_INTERLEAVING_SUPPORTED 125
  #define SCTP_SENDMSG_CONNECT 126
  #define SCTP_EVENT 127
  #define SCTP_PR_SCTP_NONE 0x0000
  #define SCTP_PR_SCTP_TTL 0x0010
  #define SCTP_PR_SCTP_RTX 0x0020
  #define SCTP_PR_SCTP_PRIO 0x0030
  #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_PRIO
  #define SCTP_PR_SCTP_MASK 0x0030
  #define __SCTP_PR_INDEX(x) ((x >> 4) - 1)
  #define SCTP_PR_INDEX(x) __SCTP_PR_INDEX(SCTP_PR_SCTP_ ##x)
  #define SCTP_PR_POLICY(x) ((x) & SCTP_PR_SCTP_MASK)
  #define SCTP_PR_SET_POLICY(flags,x) do { flags &= ~SCTP_PR_SCTP_MASK; flags |= x; } while(0)
  #define SCTP_PR_TTL_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL)
  #define SCTP_PR_RTX_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX)
  #define SCTP_PR_PRIO_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO)
  #define SCTP_ENABLE_RESET_STREAM_REQ 0x01
  #define SCTP_ENABLE_RESET_ASSOC_REQ 0x02
  #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x04
  #define SCTP_ENABLE_STRRESET_MASK 0x07
  #define SCTP_STREAM_RESET_INCOMING 0x01
  #define SCTP_STREAM_RESET_OUTGOING 0x02
  enum sctp_msg_flags {
    MSG_NOTIFICATION = 0x8000,
  #define MSG_NOTIFICATION MSG_NOTIFICATION
  };
  struct sctp_initmsg {
    __u16 sinit_num_ostreams;
    __u16 sinit_max_instreams;
    __u16 sinit_max_attempts;
    __u16 sinit_max_init_timeo;
  };
  struct sctp_sndrcvinfo {
    __u16 sinfo_stream;
    __u16 sinfo_ssn;
    __u16 sinfo_flags;
    __u32 sinfo_ppid;
    __u32 sinfo_context;
    __u32 sinfo_timetolive;
    __u32 sinfo_tsn;
    __u32 sinfo_cumtsn;
    sctp_assoc_t sinfo_assoc_id;
  };
  struct sctp_sndinfo {
    __u16 snd_sid;
    __u16 snd_flags;
    __u32 snd_ppid;
    __u32 snd_context;
    sctp_assoc_t snd_assoc_id;
  };
  struct sctp_rcvinfo {
    __u16 rcv_sid;
    __u16 rcv_ssn;
    __u16 rcv_flags;
    __u32 rcv_ppid;
    __u32 rcv_tsn;
    __u32 rcv_cumtsn;
    __u32 rcv_context;
    sctp_assoc_t rcv_assoc_id;
  };
  struct sctp_nxtinfo {
    __u16 nxt_sid;
    __u16 nxt_flags;
    __u32 nxt_ppid;
    __u32 nxt_length;
    sctp_assoc_t nxt_assoc_id;
  };
  struct sctp_prinfo {
    __u16 pr_policy;
    __u32 pr_value;
  };
  struct sctp_authinfo {
    __u16 auth_keynumber;
  };
  enum sctp_sinfo_flags {
    SCTP_UNORDERED = (1 << 0),
    SCTP_ADDR_OVER = (1 << 1),
    SCTP_ABORT = (1 << 2),
    SCTP_SACK_IMMEDIATELY = (1 << 3),
    SCTP_SENDALL = (1 << 6),
    SCTP_PR_SCTP_ALL = (1 << 7),
    SCTP_NOTIFICATION = MSG_NOTIFICATION,
    SCTP_EOF = MSG_FIN,
  };
  typedef union {
    __u8 raw;
    struct sctp_initmsg init;
    struct sctp_sndrcvinfo sndrcv;
  } sctp_cmsg_data_t;
  typedef enum sctp_cmsg_type {
    SCTP_INIT,
  #define SCTP_INIT SCTP_INIT
    SCTP_SNDRCV,
  #define SCTP_SNDRCV SCTP_SNDRCV
    SCTP_SNDINFO,
  #define SCTP_SNDINFO SCTP_SNDINFO
    SCTP_RCVINFO,
  #define SCTP_RCVINFO SCTP_RCVINFO
    SCTP_NXTINFO,
  #define SCTP_NXTINFO SCTP_NXTINFO
    SCTP_PRINFO,
  #define SCTP_PRINFO SCTP_PRINFO
    SCTP_AUTHINFO,
  #define SCTP_AUTHINFO SCTP_AUTHINFO
    SCTP_DSTADDRV4,
  #define SCTP_DSTADDRV4 SCTP_DSTADDRV4
    SCTP_DSTADDRV6,
  #define SCTP_DSTADDRV6 SCTP_DSTADDRV6
  } sctp_cmsg_t;
  struct sctp_assoc_change {
    __u16 sac_type;
    __u16 sac_flags;
    __u32 sac_length;
    __u16 sac_state;
    __u16 sac_error;
    __u16 sac_outbound_streams;
    __u16 sac_inbound_streams;
    sctp_assoc_t sac_assoc_id;
    __u8 sac_info[0];
  };
  enum sctp_sac_state {
    SCTP_COMM_UP,
    SCTP_COMM_LOST,
    SCTP_RESTART,
    SCTP_SHUTDOWN_COMP,
    SCTP_CANT_STR_ASSOC,
  };
  struct sctp_paddr_change {
    __u16 spc_type;
    __u16 spc_flags;
    __u32 spc_length;
    struct sockaddr_storage spc_aaddr;
    int spc_state;
    int spc_error;
    sctp_assoc_t spc_assoc_id;
  } __attribute__((packed, aligned(4)));
  enum sctp_spc_state {
    SCTP_ADDR_AVAILABLE,
    SCTP_ADDR_UNREACHABLE,
    SCTP_ADDR_REMOVED,
    SCTP_ADDR_ADDED,
    SCTP_ADDR_MADE_PRIM,
    SCTP_ADDR_CONFIRMED,
  };
  struct sctp_remote_error {
    __u16 sre_type;
    __u16 sre_flags;
    __u32 sre_length;
    __be16 sre_error;
    sctp_assoc_t sre_assoc_id;
    __u8 sre_data[0];
  };
  struct sctp_send_failed {
    __u16 ssf_type;
    __u16 ssf_flags;
    __u32 ssf_length;
    __u32 ssf_error;
    struct sctp_sndrcvinfo ssf_info;
    sctp_assoc_t ssf_assoc_id;
    __u8 ssf_data[0];
  };
  enum sctp_ssf_flags {
    SCTP_DATA_UNSENT,
    SCTP_DATA_SENT,
  };
  struct sctp_shutdown_event {
    __u16 sse_type;
    __u16 sse_flags;
    __u32 sse_length;
    sctp_assoc_t sse_assoc_id;
  };
  struct sctp_adaptation_event {
    __u16 sai_type;
    __u16 sai_flags;
    __u32 sai_length;
    __u32 sai_adaptation_ind;
    sctp_assoc_t sai_assoc_id;
  };
  struct sctp_pdapi_event {
    __u16 pdapi_type;
    __u16 pdapi_flags;
    __u32 pdapi_length;
    __u32 pdapi_indication;
    sctp_assoc_t pdapi_assoc_id;
    __u32 pdapi_stream;
    __u32 pdapi_seq;
  };
  enum {
    SCTP_PARTIAL_DELIVERY_ABORTED = 0,
  };
  struct sctp_authkey_event {
    __u16 auth_type;
    __u16 auth_flags;
    __u32 auth_length;
    __u16 auth_keynumber;
    __u16 auth_altkeynumber;
    __u32 auth_indication;
    sctp_assoc_t auth_assoc_id;
  };
  enum {
    SCTP_AUTH_NEW_KEY,
  #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY
    SCTP_AUTH_FREE_KEY,
    SCTP_AUTH_NO_AUTH,
  };
  struct sctp_sender_dry_event {
    __u16 sender_dry_type;
    __u16 sender_dry_flags;
    __u32 sender_dry_length;
    sctp_assoc_t sender_dry_assoc_id;
  };
  #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
  #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
  #define SCTP_STREAM_RESET_DENIED 0x0004
  #define SCTP_STREAM_RESET_FAILED 0x0008
  struct sctp_stream_reset_event {
    __u16 strreset_type;
    __u16 strreset_flags;
    __u32 strreset_length;
    sctp_assoc_t strreset_assoc_id;
    __u16 strreset_stream_list[];
  };
  #define SCTP_ASSOC_RESET_DENIED 0x0004
  #define SCTP_ASSOC_RESET_FAILED 0x0008
  struct sctp_assoc_reset_event {
    __u16 assocreset_type;
    __u16 assocreset_flags;
    __u32 assocreset_length;
    sctp_assoc_t assocreset_assoc_id;
    __u32 assocreset_local_tsn;
    __u32 assocreset_remote_tsn;
  };
  #define SCTP_ASSOC_CHANGE_DENIED 0x0004
  #define SCTP_ASSOC_CHANGE_FAILED 0x0008
  #define SCTP_STREAM_CHANGE_DENIED SCTP_ASSOC_CHANGE_DENIED
  #define SCTP_STREAM_CHANGE_FAILED SCTP_ASSOC_CHANGE_FAILED
  struct sctp_stream_change_event {
    __u16 strchange_type;
    __u16 strchange_flags;
    __u32 strchange_length;
    sctp_assoc_t strchange_assoc_id;
    __u16 strchange_instrms;
    __u16 strchange_outstrms;
  };
  struct sctp_event_subscribe {
    __u8 sctp_data_io_event;
    __u8 sctp_association_event;
    __u8 sctp_address_event;
    __u8 sctp_send_failure_event;
    __u8 sctp_peer_error_event;
    __u8 sctp_shutdown_event;
    __u8 sctp_partial_delivery_event;
    __u8 sctp_adaptation_layer_event;
    __u8 sctp_authentication_event;
    __u8 sctp_sender_dry_event;
    __u8 sctp_stream_reset_event;
    __u8 sctp_assoc_reset_event;
    __u8 sctp_stream_change_event;
  };
  union sctp_notification {
    struct {
      __u16 sn_type;
      __u16 sn_flags;
      __u32 sn_length;
    } sn_header;
    struct sctp_assoc_change sn_assoc_change;
    struct sctp_paddr_change sn_paddr_change;
    struct sctp_remote_error sn_remote_error;
    struct sctp_send_failed sn_send_failed;
    struct sctp_shutdown_event sn_shutdown_event;
    struct sctp_adaptation_event sn_adaptation_event;
    struct sctp_pdapi_event sn_pdapi_event;
    struct sctp_authkey_event sn_authkey_event;
    struct sctp_sender_dry_event sn_sender_dry_event;
    struct sctp_stream_reset_event sn_strreset_event;
    struct sctp_assoc_reset_event sn_assocreset_event;
    struct sctp_stream_change_event sn_strchange_event;
  };
  enum sctp_sn_type {
    SCTP_SN_TYPE_BASE = (1 << 15),
    SCTP_DATA_IO_EVENT = SCTP_SN_TYPE_BASE,
  #define SCTP_DATA_IO_EVENT SCTP_DATA_IO_EVENT
    SCTP_ASSOC_CHANGE,
  #define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE
    SCTP_PEER_ADDR_CHANGE,
  #define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE
    SCTP_SEND_FAILED,
  #define SCTP_SEND_FAILED SCTP_SEND_FAILED
    SCTP_REMOTE_ERROR,
  #define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR
    SCTP_SHUTDOWN_EVENT,
  #define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT
    SCTP_PARTIAL_DELIVERY_EVENT,
  #define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT
    SCTP_ADAPTATION_INDICATION,
  #define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION
    SCTP_AUTHENTICATION_EVENT,
  #define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT
    SCTP_SENDER_DRY_EVENT,
  #define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
    SCTP_STREAM_RESET_EVENT,
  #define SCTP_STREAM_RESET_EVENT SCTP_STREAM_RESET_EVENT
    SCTP_ASSOC_RESET_EVENT,
  #define SCTP_ASSOC_RESET_EVENT SCTP_ASSOC_RESET_EVENT
    SCTP_STREAM_CHANGE_EVENT,
  #define SCTP_STREAM_CHANGE_EVENT SCTP_STREAM_CHANGE_EVENT
    SCTP_SN_TYPE_MAX = SCTP_STREAM_CHANGE_EVENT,
  #define SCTP_SN_TYPE_MAX SCTP_SN_TYPE_MAX
  };
  typedef enum sctp_sn_error {
    SCTP_FAILED_THRESHOLD,
    SCTP_RECEIVED_SACK,
    SCTP_HEARTBEAT_SUCCESS,
    SCTP_RESPONSE_TO_USER_REQ,
    SCTP_INTERNAL_ERROR,
    SCTP_SHUTDOWN_GUARD_EXPIRES,
    SCTP_PEER_FAULTY,
  } sctp_sn_error_t;
  struct sctp_rtoinfo {
    sctp_assoc_t srto_assoc_id;
    __u32 srto_initial;
    __u32 srto_max;
    __u32 srto_min;
  };
  struct sctp_assocparams {
    sctp_assoc_t sasoc_assoc_id;
    __u16 sasoc_asocmaxrxt;
    __u16 sasoc_number_peer_destinations;
    __u32 sasoc_peer_rwnd;
    __u32 sasoc_local_rwnd;
    __u32 sasoc_cookie_life;
  };
  struct sctp_setpeerprim {
    sctp_assoc_t sspp_assoc_id;
    struct sockaddr_storage sspp_addr;
  } __attribute__((packed, aligned(4)));
  struct sctp_prim {
    sctp_assoc_t ssp_assoc_id;
    struct sockaddr_storage ssp_addr;
  } __attribute__((packed, aligned(4)));
  #define sctp_setprim sctp_prim
  struct sctp_setadaptation {
    __u32 ssb_adaptation_ind;
  };
  enum sctp_spp_flags {
    SPP_HB_ENABLE = 1 << 0,
    SPP_HB_DISABLE = 1 << 1,
    SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
    SPP_HB_DEMAND = 1 << 2,
    SPP_PMTUD_ENABLE = 1 << 3,
    SPP_PMTUD_DISABLE = 1 << 4,
    SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
    SPP_SACKDELAY_ENABLE = 1 << 5,
    SPP_SACKDELAY_DISABLE = 1 << 6,
    SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
    SPP_HB_TIME_IS_ZERO = 1 << 7,
    SPP_IPV6_FLOWLABEL = 1 << 8,
    SPP_DSCP = 1 << 9,
  };
  struct sctp_paddrparams {
    sctp_assoc_t spp_assoc_id;
    struct sockaddr_storage spp_address;
    __u32 spp_hbinterval;
    __u16 spp_pathmaxrxt;
    __u32 spp_pathmtu;
    __u32 spp_sackdelay;
    __u32 spp_flags;
    __u32 spp_ipv6_flowlabel;
    __u8 spp_dscp;
  } __attribute__((packed, aligned(4)));
  struct sctp_authchunk {
    __u8 sauth_chunk;
  };
  enum {
    SCTP_AUTH_HMAC_ID_SHA1 = 1,
    SCTP_AUTH_HMAC_ID_SHA256 = 3,
  };
  struct sctp_hmacalgo {
    __u32 shmac_num_idents;
    __u16 shmac_idents[];
  };
  #define shmac_number_of_idents shmac_num_idents
  struct sctp_authkey {
    sctp_assoc_t sca_assoc_id;
    __u16 sca_keynumber;
    __u16 sca_keylength;
    __u8 sca_key[];
  };
  struct sctp_authkeyid {
    sctp_assoc_t scact_assoc_id;
    __u16 scact_keynumber;
  };
  struct sctp_sack_info {
    sctp_assoc_t sack_assoc_id;
    uint32_t sack_delay;
    uint32_t sack_freq;
  };
  struct sctp_assoc_value {
    sctp_assoc_t assoc_id;
    uint32_t assoc_value;
  };
  struct sctp_stream_value {
    sctp_assoc_t assoc_id;
    uint16_t stream_id;
    uint16_t stream_value;
  };
  struct sctp_paddrinfo {
    sctp_assoc_t spinfo_assoc_id;
    struct sockaddr_storage spinfo_address;
    __s32 spinfo_state;
    __u32 spinfo_cwnd;
    __u32 spinfo_srtt;
    __u32 spinfo_rto;
    __u32 spinfo_mtu;
  } __attribute__((packed, aligned(4)));
  enum sctp_spinfo_state {
    SCTP_INACTIVE,
    SCTP_PF,
    SCTP_ACTIVE,
    SCTP_UNCONFIRMED,
    SCTP_UNKNOWN = 0xffff
  };
  struct sctp_status {
    sctp_assoc_t sstat_assoc_id;
    __s32 sstat_state;
    __u32 sstat_rwnd;
    __u16 sstat_unackdata;
    __u16 sstat_penddata;
    __u16 sstat_instrms;
    __u16 sstat_outstrms;
    __u32 sstat_fragmentation_point;
    struct sctp_paddrinfo sstat_primary;
  };
  struct sctp_authchunks {
    sctp_assoc_t gauth_assoc_id;
    __u32 gauth_number_of_chunks;
    uint8_t gauth_chunks[];
  };
  #define guth_number_of_chunks gauth_number_of_chunks
  enum sctp_sstat_state {
    SCTP_EMPTY = 0,
    SCTP_CLOSED = 1,
    SCTP_COOKIE_WAIT = 2,
    SCTP_COOKIE_ECHOED = 3,
    SCTP_ESTABLISHED = 4,
    SCTP_SHUTDOWN_PENDING = 5,
    SCTP_SHUTDOWN_SENT = 6,
    SCTP_SHUTDOWN_RECEIVED = 7,
    SCTP_SHUTDOWN_ACK_SENT = 8,
  };
  struct sctp_assoc_ids {
    __u32 gaids_number_of_ids;
    sctp_assoc_t gaids_assoc_id[];
  };
  struct sctp_getaddrs_old {
    sctp_assoc_t assoc_id;
    int addr_num;
    struct sockaddr * addrs;
  };
  struct sctp_getaddrs {
    sctp_assoc_t assoc_id;
    __u32 addr_num;
    __u8 addrs[0];
  };
  struct sctp_assoc_stats {
    sctp_assoc_t sas_assoc_id;
    struct sockaddr_storage sas_obs_rto_ipaddr;
    __u64 sas_maxrto;
    __u64 sas_isacks;
    __u64 sas_osacks;
    __u64 sas_opackets;
    __u64 sas_ipackets;
    __u64 sas_rtxchunks;
    __u64 sas_outofseqtsns;
    __u64 sas_idupchunks;
    __u64 sas_gapcnt;
    __u64 sas_ouodchunks;
    __u64 sas_iuodchunks;
    __u64 sas_oodchunks;
    __u64 sas_iodchunks;
    __u64 sas_octrlchunks;
    __u64 sas_ictrlchunks;
  };
  #define SCTP_BINDX_ADD_ADDR 0x01
  #define SCTP_BINDX_REM_ADDR 0x02
  typedef struct {
    sctp_assoc_t associd;
    int sd;
  } sctp_peeloff_arg_t;
  typedef struct {
    sctp_peeloff_arg_t p_arg;
    unsigned flags;
  } sctp_peeloff_flags_arg_t;
  struct sctp_paddrthlds {
    sctp_assoc_t spt_assoc_id;
    struct sockaddr_storage spt_address;
    __u16 spt_pathmaxrxt;
    __u16 spt_pathpfthld;
  };
  struct sctp_prstatus {
    sctp_assoc_t sprstat_assoc_id;
    __u16 sprstat_sid;
    __u16 sprstat_policy;
    __u64 sprstat_abandoned_unsent;
    __u64 sprstat_abandoned_sent;
  };
  struct sctp_default_prinfo {
    sctp_assoc_t pr_assoc_id;
    __u32 pr_value;
    __u16 pr_policy;
  };
  struct sctp_info {
    __u32 sctpi_tag;
    __u32 sctpi_state;
    __u32 sctpi_rwnd;
    __u16 sctpi_unackdata;
    __u16 sctpi_penddata;
    __u16 sctpi_instrms;
    __u16 sctpi_outstrms;
    __u32 sctpi_fragmentation_point;
    __u32 sctpi_inqueue;
    __u32 sctpi_outqueue;
    __u32 sctpi_overall_error;
    __u32 sctpi_max_burst;
    __u32 sctpi_maxseg;
    __u32 sctpi_peer_rwnd;
    __u32 sctpi_peer_tag;
    __u8 sctpi_peer_capable;
    __u8 sctpi_peer_sack;
    __u16 __reserved1;
    __u64 sctpi_isacks;
    __u64 sctpi_osacks;
    __u64 sctpi_opackets;
    __u64 sctpi_ipackets;
    __u64 sctpi_rtxchunks;
    __u64 sctpi_outofseqtsns;
    __u64 sctpi_idupchunks;
    __u64 sctpi_gapcnt;
    __u64 sctpi_ouodchunks;
    __u64 sctpi_iuodchunks;
    __u64 sctpi_oodchunks;
    __u64 sctpi_iodchunks;
    __u64 sctpi_octrlchunks;
    __u64 sctpi_ictrlchunks;
    struct sockaddr_storage sctpi_p_address;
    __s32 sctpi_p_state;
    __u32 sctpi_p_cwnd;
    __u32 sctpi_p_srtt;
    __u32 sctpi_p_rto;
    __u32 sctpi_p_hbinterval;
    __u32 sctpi_p_pathmaxrxt;
    __u32 sctpi_p_sackdelay;
    __u32 sctpi_p_sackfreq;
    __u32 sctpi_p_ssthresh;
    __u32 sctpi_p_partial_bytes_acked;
    __u32 sctpi_p_flight_size;
    __u16 sctpi_p_error;
    __u16 __reserved2;
    __u32 sctpi_s_autoclose;
    __u32 sctpi_s_adaptation_ind;
    __u32 sctpi_s_pd_point;
    __u8 sctpi_s_nodelay;
    __u8 sctpi_s_disable_fragments;
    __u8 sctpi_s_v4mapped;
    __u8 sctpi_s_frag_interleave;
    __u32 sctpi_s_type;
    __u32 __reserved3;
  };
  struct sctp_reset_streams {
    sctp_assoc_t srs_assoc_id;
    uint16_t srs_flags;
    uint16_t srs_number_streams;
    uint16_t srs_stream_list[];
  };
  struct sctp_add_streams {
    sctp_assoc_t sas_assoc_id;
    uint16_t sas_instrms;
    uint16_t sas_outstrms;
  };
  struct sctp_event {
    sctp_assoc_t se_assoc_id;
    uint16_t se_type;
    uint8_t se_on;
  };
  enum sctp_sched_type {
    SCTP_SS_FCFS,
    SCTP_SS_DEFAULT = SCTP_SS_FCFS,
    SCTP_SS_PRIO,
    SCTP_SS_RR,
    SCTP_SS_MAX = SCTP_SS_RR
  };
  #endif
  