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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ***   To edit the content of this header, modify the corresponding
     11  ***   source file (e.g. under external/kernel-headers/original/) then
     12  ***   run bionic/libc/kernel/tools/update_all.py
     13  ***
     14  ***   Any manual change here will be lost the next time this script will
     15  ***   be run. You've been warned!
     16  ***
     17  ****************************************************************************
     18  ****************************************************************************/
     19 #ifndef _UAPI_SCTP_H
     20 #define _UAPI_SCTP_H
     21 #include <linux/types.h>
     22 #include <linux/socket.h>
     23 typedef __s32 sctp_assoc_t;
     24 #define SCTP_RTOINFO 0
     25 #define SCTP_ASSOCINFO 1
     26 #define SCTP_INITMSG 2
     27 #define SCTP_NODELAY 3
     28 #define SCTP_AUTOCLOSE 4
     29 #define SCTP_SET_PEER_PRIMARY_ADDR 5
     30 #define SCTP_PRIMARY_ADDR 6
     31 #define SCTP_ADAPTATION_LAYER 7
     32 #define SCTP_DISABLE_FRAGMENTS 8
     33 #define SCTP_PEER_ADDR_PARAMS 9
     34 #define SCTP_DEFAULT_SEND_PARAM 10
     35 #define SCTP_EVENTS 11
     36 #define SCTP_I_WANT_MAPPED_V4_ADDR 12
     37 #define SCTP_MAXSEG 13
     38 #define SCTP_STATUS 14
     39 #define SCTP_GET_PEER_ADDR_INFO 15
     40 #define SCTP_DELAYED_ACK_TIME 16
     41 #define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
     42 #define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME
     43 #define SCTP_CONTEXT 17
     44 #define SCTP_FRAGMENT_INTERLEAVE 18
     45 #define SCTP_PARTIAL_DELIVERY_POINT 19
     46 #define SCTP_MAX_BURST 20
     47 #define SCTP_AUTH_CHUNK 21
     48 #define SCTP_HMAC_IDENT 22
     49 #define SCTP_AUTH_KEY 23
     50 #define SCTP_AUTH_ACTIVE_KEY 24
     51 #define SCTP_AUTH_DELETE_KEY 25
     52 #define SCTP_PEER_AUTH_CHUNKS 26
     53 #define SCTP_LOCAL_AUTH_CHUNKS 27
     54 #define SCTP_GET_ASSOC_NUMBER 28
     55 #define SCTP_GET_ASSOC_ID_LIST 29
     56 #define SCTP_AUTO_ASCONF 30
     57 #define SCTP_PEER_ADDR_THLDS 31
     58 #define SCTP_RECVRCVINFO 32
     59 #define SCTP_RECVNXTINFO 33
     60 #define SCTP_DEFAULT_SNDINFO 34
     61 #define SCTP_AUTH_DEACTIVATE_KEY 35
     62 #define SCTP_REUSE_PORT 36
     63 #define SCTP_SOCKOPT_BINDX_ADD 100
     64 #define SCTP_SOCKOPT_BINDX_REM 101
     65 #define SCTP_SOCKOPT_PEELOFF 102
     66 #define SCTP_SOCKOPT_CONNECTX_OLD 107
     67 #define SCTP_GET_PEER_ADDRS 108
     68 #define SCTP_GET_LOCAL_ADDRS 109
     69 #define SCTP_SOCKOPT_CONNECTX 110
     70 #define SCTP_SOCKOPT_CONNECTX3 111
     71 #define SCTP_GET_ASSOC_STATS 112
     72 #define SCTP_PR_SUPPORTED 113
     73 #define SCTP_DEFAULT_PRINFO 114
     74 #define SCTP_PR_ASSOC_STATUS 115
     75 #define SCTP_PR_STREAM_STATUS 116
     76 #define SCTP_RECONFIG_SUPPORTED 117
     77 #define SCTP_ENABLE_STREAM_RESET 118
     78 #define SCTP_RESET_STREAMS 119
     79 #define SCTP_RESET_ASSOC 120
     80 #define SCTP_ADD_STREAMS 121
     81 #define SCTP_SOCKOPT_PEELOFF_FLAGS 122
     82 #define SCTP_STREAM_SCHEDULER 123
     83 #define SCTP_STREAM_SCHEDULER_VALUE 124
     84 #define SCTP_INTERLEAVING_SUPPORTED 125
     85 #define SCTP_SENDMSG_CONNECT 126
     86 #define SCTP_EVENT 127
     87 #define SCTP_PR_SCTP_NONE 0x0000
     88 #define SCTP_PR_SCTP_TTL 0x0010
     89 #define SCTP_PR_SCTP_RTX 0x0020
     90 #define SCTP_PR_SCTP_PRIO 0x0030
     91 #define SCTP_PR_SCTP_MAX SCTP_PR_SCTP_PRIO
     92 #define SCTP_PR_SCTP_MASK 0x0030
     93 #define __SCTP_PR_INDEX(x) ((x >> 4) - 1)
     94 #define SCTP_PR_INDEX(x) __SCTP_PR_INDEX(SCTP_PR_SCTP_ ##x)
     95 #define SCTP_PR_POLICY(x) ((x) & SCTP_PR_SCTP_MASK)
     96 #define SCTP_PR_SET_POLICY(flags,x) do { flags &= ~SCTP_PR_SCTP_MASK; flags |= x; } while(0)
     97 #define SCTP_PR_TTL_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_TTL)
     98 #define SCTP_PR_RTX_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_RTX)
     99 #define SCTP_PR_PRIO_ENABLED(x) (SCTP_PR_POLICY(x) == SCTP_PR_SCTP_PRIO)
    100 #define SCTP_ENABLE_RESET_STREAM_REQ 0x01
    101 #define SCTP_ENABLE_RESET_ASSOC_REQ 0x02
    102 #define SCTP_ENABLE_CHANGE_ASSOC_REQ 0x04
    103 #define SCTP_ENABLE_STRRESET_MASK 0x07
    104 #define SCTP_STREAM_RESET_INCOMING 0x01
    105 #define SCTP_STREAM_RESET_OUTGOING 0x02
    106 enum sctp_msg_flags {
    107   MSG_NOTIFICATION = 0x8000,
    108 #define MSG_NOTIFICATION MSG_NOTIFICATION
    109 };
    110 struct sctp_initmsg {
    111   __u16 sinit_num_ostreams;
    112   __u16 sinit_max_instreams;
    113   __u16 sinit_max_attempts;
    114   __u16 sinit_max_init_timeo;
    115 };
    116 struct sctp_sndrcvinfo {
    117   __u16 sinfo_stream;
    118   __u16 sinfo_ssn;
    119   __u16 sinfo_flags;
    120   __u32 sinfo_ppid;
    121   __u32 sinfo_context;
    122   __u32 sinfo_timetolive;
    123   __u32 sinfo_tsn;
    124   __u32 sinfo_cumtsn;
    125   sctp_assoc_t sinfo_assoc_id;
    126 };
    127 struct sctp_sndinfo {
    128   __u16 snd_sid;
    129   __u16 snd_flags;
    130   __u32 snd_ppid;
    131   __u32 snd_context;
    132   sctp_assoc_t snd_assoc_id;
    133 };
    134 struct sctp_rcvinfo {
    135   __u16 rcv_sid;
    136   __u16 rcv_ssn;
    137   __u16 rcv_flags;
    138   __u32 rcv_ppid;
    139   __u32 rcv_tsn;
    140   __u32 rcv_cumtsn;
    141   __u32 rcv_context;
    142   sctp_assoc_t rcv_assoc_id;
    143 };
    144 struct sctp_nxtinfo {
    145   __u16 nxt_sid;
    146   __u16 nxt_flags;
    147   __u32 nxt_ppid;
    148   __u32 nxt_length;
    149   sctp_assoc_t nxt_assoc_id;
    150 };
    151 struct sctp_prinfo {
    152   __u16 pr_policy;
    153   __u32 pr_value;
    154 };
    155 struct sctp_authinfo {
    156   __u16 auth_keynumber;
    157 };
    158 enum sctp_sinfo_flags {
    159   SCTP_UNORDERED = (1 << 0),
    160   SCTP_ADDR_OVER = (1 << 1),
    161   SCTP_ABORT = (1 << 2),
    162   SCTP_SACK_IMMEDIATELY = (1 << 3),
    163   SCTP_SENDALL = (1 << 6),
    164   SCTP_PR_SCTP_ALL = (1 << 7),
    165   SCTP_NOTIFICATION = MSG_NOTIFICATION,
    166   SCTP_EOF = MSG_FIN,
    167 };
    168 typedef union {
    169   __u8 raw;
    170   struct sctp_initmsg init;
    171   struct sctp_sndrcvinfo sndrcv;
    172 } sctp_cmsg_data_t;
    173 typedef enum sctp_cmsg_type {
    174   SCTP_INIT,
    175 #define SCTP_INIT SCTP_INIT
    176   SCTP_SNDRCV,
    177 #define SCTP_SNDRCV SCTP_SNDRCV
    178   SCTP_SNDINFO,
    179 #define SCTP_SNDINFO SCTP_SNDINFO
    180   SCTP_RCVINFO,
    181 #define SCTP_RCVINFO SCTP_RCVINFO
    182   SCTP_NXTINFO,
    183 #define SCTP_NXTINFO SCTP_NXTINFO
    184   SCTP_PRINFO,
    185 #define SCTP_PRINFO SCTP_PRINFO
    186   SCTP_AUTHINFO,
    187 #define SCTP_AUTHINFO SCTP_AUTHINFO
    188   SCTP_DSTADDRV4,
    189 #define SCTP_DSTADDRV4 SCTP_DSTADDRV4
    190   SCTP_DSTADDRV6,
    191 #define SCTP_DSTADDRV6 SCTP_DSTADDRV6
    192 } sctp_cmsg_t;
    193 struct sctp_assoc_change {
    194   __u16 sac_type;
    195   __u16 sac_flags;
    196   __u32 sac_length;
    197   __u16 sac_state;
    198   __u16 sac_error;
    199   __u16 sac_outbound_streams;
    200   __u16 sac_inbound_streams;
    201   sctp_assoc_t sac_assoc_id;
    202   __u8 sac_info[0];
    203 };
    204 enum sctp_sac_state {
    205   SCTP_COMM_UP,
    206   SCTP_COMM_LOST,
    207   SCTP_RESTART,
    208   SCTP_SHUTDOWN_COMP,
    209   SCTP_CANT_STR_ASSOC,
    210 };
    211 struct sctp_paddr_change {
    212   __u16 spc_type;
    213   __u16 spc_flags;
    214   __u32 spc_length;
    215   struct sockaddr_storage spc_aaddr;
    216   int spc_state;
    217   int spc_error;
    218   sctp_assoc_t spc_assoc_id;
    219 } __attribute__((packed, aligned(4)));
    220 enum sctp_spc_state {
    221   SCTP_ADDR_AVAILABLE,
    222   SCTP_ADDR_UNREACHABLE,
    223   SCTP_ADDR_REMOVED,
    224   SCTP_ADDR_ADDED,
    225   SCTP_ADDR_MADE_PRIM,
    226   SCTP_ADDR_CONFIRMED,
    227 };
    228 struct sctp_remote_error {
    229   __u16 sre_type;
    230   __u16 sre_flags;
    231   __u32 sre_length;
    232   __be16 sre_error;
    233   sctp_assoc_t sre_assoc_id;
    234   __u8 sre_data[0];
    235 };
    236 struct sctp_send_failed {
    237   __u16 ssf_type;
    238   __u16 ssf_flags;
    239   __u32 ssf_length;
    240   __u32 ssf_error;
    241   struct sctp_sndrcvinfo ssf_info;
    242   sctp_assoc_t ssf_assoc_id;
    243   __u8 ssf_data[0];
    244 };
    245 enum sctp_ssf_flags {
    246   SCTP_DATA_UNSENT,
    247   SCTP_DATA_SENT,
    248 };
    249 struct sctp_shutdown_event {
    250   __u16 sse_type;
    251   __u16 sse_flags;
    252   __u32 sse_length;
    253   sctp_assoc_t sse_assoc_id;
    254 };
    255 struct sctp_adaptation_event {
    256   __u16 sai_type;
    257   __u16 sai_flags;
    258   __u32 sai_length;
    259   __u32 sai_adaptation_ind;
    260   sctp_assoc_t sai_assoc_id;
    261 };
    262 struct sctp_pdapi_event {
    263   __u16 pdapi_type;
    264   __u16 pdapi_flags;
    265   __u32 pdapi_length;
    266   __u32 pdapi_indication;
    267   sctp_assoc_t pdapi_assoc_id;
    268   __u32 pdapi_stream;
    269   __u32 pdapi_seq;
    270 };
    271 enum {
    272   SCTP_PARTIAL_DELIVERY_ABORTED = 0,
    273 };
    274 struct sctp_authkey_event {
    275   __u16 auth_type;
    276   __u16 auth_flags;
    277   __u32 auth_length;
    278   __u16 auth_keynumber;
    279   __u16 auth_altkeynumber;
    280   __u32 auth_indication;
    281   sctp_assoc_t auth_assoc_id;
    282 };
    283 enum {
    284   SCTP_AUTH_NEW_KEY,
    285 #define SCTP_AUTH_NEWKEY SCTP_AUTH_NEW_KEY
    286   SCTP_AUTH_FREE_KEY,
    287   SCTP_AUTH_NO_AUTH,
    288 };
    289 struct sctp_sender_dry_event {
    290   __u16 sender_dry_type;
    291   __u16 sender_dry_flags;
    292   __u32 sender_dry_length;
    293   sctp_assoc_t sender_dry_assoc_id;
    294 };
    295 #define SCTP_STREAM_RESET_INCOMING_SSN 0x0001
    296 #define SCTP_STREAM_RESET_OUTGOING_SSN 0x0002
    297 #define SCTP_STREAM_RESET_DENIED 0x0004
    298 #define SCTP_STREAM_RESET_FAILED 0x0008
    299 struct sctp_stream_reset_event {
    300   __u16 strreset_type;
    301   __u16 strreset_flags;
    302   __u32 strreset_length;
    303   sctp_assoc_t strreset_assoc_id;
    304   __u16 strreset_stream_list[];
    305 };
    306 #define SCTP_ASSOC_RESET_DENIED 0x0004
    307 #define SCTP_ASSOC_RESET_FAILED 0x0008
    308 struct sctp_assoc_reset_event {
    309   __u16 assocreset_type;
    310   __u16 assocreset_flags;
    311   __u32 assocreset_length;
    312   sctp_assoc_t assocreset_assoc_id;
    313   __u32 assocreset_local_tsn;
    314   __u32 assocreset_remote_tsn;
    315 };
    316 #define SCTP_ASSOC_CHANGE_DENIED 0x0004
    317 #define SCTP_ASSOC_CHANGE_FAILED 0x0008
    318 #define SCTP_STREAM_CHANGE_DENIED SCTP_ASSOC_CHANGE_DENIED
    319 #define SCTP_STREAM_CHANGE_FAILED SCTP_ASSOC_CHANGE_FAILED
    320 struct sctp_stream_change_event {
    321   __u16 strchange_type;
    322   __u16 strchange_flags;
    323   __u32 strchange_length;
    324   sctp_assoc_t strchange_assoc_id;
    325   __u16 strchange_instrms;
    326   __u16 strchange_outstrms;
    327 };
    328 struct sctp_event_subscribe {
    329   __u8 sctp_data_io_event;
    330   __u8 sctp_association_event;
    331   __u8 sctp_address_event;
    332   __u8 sctp_send_failure_event;
    333   __u8 sctp_peer_error_event;
    334   __u8 sctp_shutdown_event;
    335   __u8 sctp_partial_delivery_event;
    336   __u8 sctp_adaptation_layer_event;
    337   __u8 sctp_authentication_event;
    338   __u8 sctp_sender_dry_event;
    339   __u8 sctp_stream_reset_event;
    340   __u8 sctp_assoc_reset_event;
    341   __u8 sctp_stream_change_event;
    342 };
    343 union sctp_notification {
    344   struct {
    345     __u16 sn_type;
    346     __u16 sn_flags;
    347     __u32 sn_length;
    348   } sn_header;
    349   struct sctp_assoc_change sn_assoc_change;
    350   struct sctp_paddr_change sn_paddr_change;
    351   struct sctp_remote_error sn_remote_error;
    352   struct sctp_send_failed sn_send_failed;
    353   struct sctp_shutdown_event sn_shutdown_event;
    354   struct sctp_adaptation_event sn_adaptation_event;
    355   struct sctp_pdapi_event sn_pdapi_event;
    356   struct sctp_authkey_event sn_authkey_event;
    357   struct sctp_sender_dry_event sn_sender_dry_event;
    358   struct sctp_stream_reset_event sn_strreset_event;
    359   struct sctp_assoc_reset_event sn_assocreset_event;
    360   struct sctp_stream_change_event sn_strchange_event;
    361 };
    362 enum sctp_sn_type {
    363   SCTP_SN_TYPE_BASE = (1 << 15),
    364   SCTP_DATA_IO_EVENT = SCTP_SN_TYPE_BASE,
    365 #define SCTP_DATA_IO_EVENT SCTP_DATA_IO_EVENT
    366   SCTP_ASSOC_CHANGE,
    367 #define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE
    368   SCTP_PEER_ADDR_CHANGE,
    369 #define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE
    370   SCTP_SEND_FAILED,
    371 #define SCTP_SEND_FAILED SCTP_SEND_FAILED
    372   SCTP_REMOTE_ERROR,
    373 #define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR
    374   SCTP_SHUTDOWN_EVENT,
    375 #define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT
    376   SCTP_PARTIAL_DELIVERY_EVENT,
    377 #define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT
    378   SCTP_ADAPTATION_INDICATION,
    379 #define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION
    380   SCTP_AUTHENTICATION_EVENT,
    381 #define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT
    382   SCTP_SENDER_DRY_EVENT,
    383 #define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT
    384   SCTP_STREAM_RESET_EVENT,
    385 #define SCTP_STREAM_RESET_EVENT SCTP_STREAM_RESET_EVENT
    386   SCTP_ASSOC_RESET_EVENT,
    387 #define SCTP_ASSOC_RESET_EVENT SCTP_ASSOC_RESET_EVENT
    388   SCTP_STREAM_CHANGE_EVENT,
    389 #define SCTP_STREAM_CHANGE_EVENT SCTP_STREAM_CHANGE_EVENT
    390   SCTP_SN_TYPE_MAX = SCTP_STREAM_CHANGE_EVENT,
    391 #define SCTP_SN_TYPE_MAX SCTP_SN_TYPE_MAX
    392 };
    393 typedef enum sctp_sn_error {
    394   SCTP_FAILED_THRESHOLD,
    395   SCTP_RECEIVED_SACK,
    396   SCTP_HEARTBEAT_SUCCESS,
    397   SCTP_RESPONSE_TO_USER_REQ,
    398   SCTP_INTERNAL_ERROR,
    399   SCTP_SHUTDOWN_GUARD_EXPIRES,
    400   SCTP_PEER_FAULTY,
    401 } sctp_sn_error_t;
    402 struct sctp_rtoinfo {
    403   sctp_assoc_t srto_assoc_id;
    404   __u32 srto_initial;
    405   __u32 srto_max;
    406   __u32 srto_min;
    407 };
    408 struct sctp_assocparams {
    409   sctp_assoc_t sasoc_assoc_id;
    410   __u16 sasoc_asocmaxrxt;
    411   __u16 sasoc_number_peer_destinations;
    412   __u32 sasoc_peer_rwnd;
    413   __u32 sasoc_local_rwnd;
    414   __u32 sasoc_cookie_life;
    415 };
    416 struct sctp_setpeerprim {
    417   sctp_assoc_t sspp_assoc_id;
    418   struct sockaddr_storage sspp_addr;
    419 } __attribute__((packed, aligned(4)));
    420 struct sctp_prim {
    421   sctp_assoc_t ssp_assoc_id;
    422   struct sockaddr_storage ssp_addr;
    423 } __attribute__((packed, aligned(4)));
    424 #define sctp_setprim sctp_prim
    425 struct sctp_setadaptation {
    426   __u32 ssb_adaptation_ind;
    427 };
    428 enum sctp_spp_flags {
    429   SPP_HB_ENABLE = 1 << 0,
    430   SPP_HB_DISABLE = 1 << 1,
    431   SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
    432   SPP_HB_DEMAND = 1 << 2,
    433   SPP_PMTUD_ENABLE = 1 << 3,
    434   SPP_PMTUD_DISABLE = 1 << 4,
    435   SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
    436   SPP_SACKDELAY_ENABLE = 1 << 5,
    437   SPP_SACKDELAY_DISABLE = 1 << 6,
    438   SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
    439   SPP_HB_TIME_IS_ZERO = 1 << 7,
    440   SPP_IPV6_FLOWLABEL = 1 << 8,
    441   SPP_DSCP = 1 << 9,
    442 };
    443 struct sctp_paddrparams {
    444   sctp_assoc_t spp_assoc_id;
    445   struct sockaddr_storage spp_address;
    446   __u32 spp_hbinterval;
    447   __u16 spp_pathmaxrxt;
    448   __u32 spp_pathmtu;
    449   __u32 spp_sackdelay;
    450   __u32 spp_flags;
    451   __u32 spp_ipv6_flowlabel;
    452   __u8 spp_dscp;
    453 } __attribute__((packed, aligned(4)));
    454 struct sctp_authchunk {
    455   __u8 sauth_chunk;
    456 };
    457 enum {
    458   SCTP_AUTH_HMAC_ID_SHA1 = 1,
    459   SCTP_AUTH_HMAC_ID_SHA256 = 3,
    460 };
    461 struct sctp_hmacalgo {
    462   __u32 shmac_num_idents;
    463   __u16 shmac_idents[];
    464 };
    465 #define shmac_number_of_idents shmac_num_idents
    466 struct sctp_authkey {
    467   sctp_assoc_t sca_assoc_id;
    468   __u16 sca_keynumber;
    469   __u16 sca_keylength;
    470   __u8 sca_key[];
    471 };
    472 struct sctp_authkeyid {
    473   sctp_assoc_t scact_assoc_id;
    474   __u16 scact_keynumber;
    475 };
    476 struct sctp_sack_info {
    477   sctp_assoc_t sack_assoc_id;
    478   uint32_t sack_delay;
    479   uint32_t sack_freq;
    480 };
    481 struct sctp_assoc_value {
    482   sctp_assoc_t assoc_id;
    483   uint32_t assoc_value;
    484 };
    485 struct sctp_stream_value {
    486   sctp_assoc_t assoc_id;
    487   uint16_t stream_id;
    488   uint16_t stream_value;
    489 };
    490 struct sctp_paddrinfo {
    491   sctp_assoc_t spinfo_assoc_id;
    492   struct sockaddr_storage spinfo_address;
    493   __s32 spinfo_state;
    494   __u32 spinfo_cwnd;
    495   __u32 spinfo_srtt;
    496   __u32 spinfo_rto;
    497   __u32 spinfo_mtu;
    498 } __attribute__((packed, aligned(4)));
    499 enum sctp_spinfo_state {
    500   SCTP_INACTIVE,
    501   SCTP_PF,
    502   SCTP_ACTIVE,
    503   SCTP_UNCONFIRMED,
    504   SCTP_UNKNOWN = 0xffff
    505 };
    506 struct sctp_status {
    507   sctp_assoc_t sstat_assoc_id;
    508   __s32 sstat_state;
    509   __u32 sstat_rwnd;
    510   __u16 sstat_unackdata;
    511   __u16 sstat_penddata;
    512   __u16 sstat_instrms;
    513   __u16 sstat_outstrms;
    514   __u32 sstat_fragmentation_point;
    515   struct sctp_paddrinfo sstat_primary;
    516 };
    517 struct sctp_authchunks {
    518   sctp_assoc_t gauth_assoc_id;
    519   __u32 gauth_number_of_chunks;
    520   uint8_t gauth_chunks[];
    521 };
    522 #define guth_number_of_chunks gauth_number_of_chunks
    523 enum sctp_sstat_state {
    524   SCTP_EMPTY = 0,
    525   SCTP_CLOSED = 1,
    526   SCTP_COOKIE_WAIT = 2,
    527   SCTP_COOKIE_ECHOED = 3,
    528   SCTP_ESTABLISHED = 4,
    529   SCTP_SHUTDOWN_PENDING = 5,
    530   SCTP_SHUTDOWN_SENT = 6,
    531   SCTP_SHUTDOWN_RECEIVED = 7,
    532   SCTP_SHUTDOWN_ACK_SENT = 8,
    533 };
    534 struct sctp_assoc_ids {
    535   __u32 gaids_number_of_ids;
    536   sctp_assoc_t gaids_assoc_id[];
    537 };
    538 struct sctp_getaddrs_old {
    539   sctp_assoc_t assoc_id;
    540   int addr_num;
    541   struct sockaddr * addrs;
    542 };
    543 struct sctp_getaddrs {
    544   sctp_assoc_t assoc_id;
    545   __u32 addr_num;
    546   __u8 addrs[0];
    547 };
    548 struct sctp_assoc_stats {
    549   sctp_assoc_t sas_assoc_id;
    550   struct sockaddr_storage sas_obs_rto_ipaddr;
    551   __u64 sas_maxrto;
    552   __u64 sas_isacks;
    553   __u64 sas_osacks;
    554   __u64 sas_opackets;
    555   __u64 sas_ipackets;
    556   __u64 sas_rtxchunks;
    557   __u64 sas_outofseqtsns;
    558   __u64 sas_idupchunks;
    559   __u64 sas_gapcnt;
    560   __u64 sas_ouodchunks;
    561   __u64 sas_iuodchunks;
    562   __u64 sas_oodchunks;
    563   __u64 sas_iodchunks;
    564   __u64 sas_octrlchunks;
    565   __u64 sas_ictrlchunks;
    566 };
    567 #define SCTP_BINDX_ADD_ADDR 0x01
    568 #define SCTP_BINDX_REM_ADDR 0x02
    569 typedef struct {
    570   sctp_assoc_t associd;
    571   int sd;
    572 } sctp_peeloff_arg_t;
    573 typedef struct {
    574   sctp_peeloff_arg_t p_arg;
    575   unsigned flags;
    576 } sctp_peeloff_flags_arg_t;
    577 struct sctp_paddrthlds {
    578   sctp_assoc_t spt_assoc_id;
    579   struct sockaddr_storage spt_address;
    580   __u16 spt_pathmaxrxt;
    581   __u16 spt_pathpfthld;
    582 };
    583 struct sctp_prstatus {
    584   sctp_assoc_t sprstat_assoc_id;
    585   __u16 sprstat_sid;
    586   __u16 sprstat_policy;
    587   __u64 sprstat_abandoned_unsent;
    588   __u64 sprstat_abandoned_sent;
    589 };
    590 struct sctp_default_prinfo {
    591   sctp_assoc_t pr_assoc_id;
    592   __u32 pr_value;
    593   __u16 pr_policy;
    594 };
    595 struct sctp_info {
    596   __u32 sctpi_tag;
    597   __u32 sctpi_state;
    598   __u32 sctpi_rwnd;
    599   __u16 sctpi_unackdata;
    600   __u16 sctpi_penddata;
    601   __u16 sctpi_instrms;
    602   __u16 sctpi_outstrms;
    603   __u32 sctpi_fragmentation_point;
    604   __u32 sctpi_inqueue;
    605   __u32 sctpi_outqueue;
    606   __u32 sctpi_overall_error;
    607   __u32 sctpi_max_burst;
    608   __u32 sctpi_maxseg;
    609   __u32 sctpi_peer_rwnd;
    610   __u32 sctpi_peer_tag;
    611   __u8 sctpi_peer_capable;
    612   __u8 sctpi_peer_sack;
    613   __u16 __reserved1;
    614   __u64 sctpi_isacks;
    615   __u64 sctpi_osacks;
    616   __u64 sctpi_opackets;
    617   __u64 sctpi_ipackets;
    618   __u64 sctpi_rtxchunks;
    619   __u64 sctpi_outofseqtsns;
    620   __u64 sctpi_idupchunks;
    621   __u64 sctpi_gapcnt;
    622   __u64 sctpi_ouodchunks;
    623   __u64 sctpi_iuodchunks;
    624   __u64 sctpi_oodchunks;
    625   __u64 sctpi_iodchunks;
    626   __u64 sctpi_octrlchunks;
    627   __u64 sctpi_ictrlchunks;
    628   struct sockaddr_storage sctpi_p_address;
    629   __s32 sctpi_p_state;
    630   __u32 sctpi_p_cwnd;
    631   __u32 sctpi_p_srtt;
    632   __u32 sctpi_p_rto;
    633   __u32 sctpi_p_hbinterval;
    634   __u32 sctpi_p_pathmaxrxt;
    635   __u32 sctpi_p_sackdelay;
    636   __u32 sctpi_p_sackfreq;
    637   __u32 sctpi_p_ssthresh;
    638   __u32 sctpi_p_partial_bytes_acked;
    639   __u32 sctpi_p_flight_size;
    640   __u16 sctpi_p_error;
    641   __u16 __reserved2;
    642   __u32 sctpi_s_autoclose;
    643   __u32 sctpi_s_adaptation_ind;
    644   __u32 sctpi_s_pd_point;
    645   __u8 sctpi_s_nodelay;
    646   __u8 sctpi_s_disable_fragments;
    647   __u8 sctpi_s_v4mapped;
    648   __u8 sctpi_s_frag_interleave;
    649   __u32 sctpi_s_type;
    650   __u32 __reserved3;
    651 };
    652 struct sctp_reset_streams {
    653   sctp_assoc_t srs_assoc_id;
    654   uint16_t srs_flags;
    655   uint16_t srs_number_streams;
    656   uint16_t srs_stream_list[];
    657 };
    658 struct sctp_add_streams {
    659   sctp_assoc_t sas_assoc_id;
    660   uint16_t sas_instrms;
    661   uint16_t sas_outstrms;
    662 };
    663 struct sctp_event {
    664   sctp_assoc_t se_assoc_id;
    665   uint16_t se_type;
    666   uint8_t se_on;
    667 };
    668 enum sctp_sched_type {
    669   SCTP_SS_FCFS,
    670   SCTP_SS_DEFAULT = SCTP_SS_FCFS,
    671   SCTP_SS_PRIO,
    672   SCTP_SS_RR,
    673   SCTP_SS_MAX = SCTP_SS_RR
    674 };
    675 #endif
    676