130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* SCTP kernel implementation 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * (C) Copyright IBM Corp. 2001, 2004 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Copyright (c) 1999-2000 Cisco, Inc. 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Copyright (c) 1999-2001 Motorola, Inc. 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Copyright (c) 2002 Intel Corp. 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This file is part of the SCTP kernel implementation 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This header represents the structures and constants needed to support 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the SCTP Extension to the Sockets API. 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This SCTP implementation is free software; 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * you can redistribute it and/or modify it under the terms of 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the GNU General Public License as published by 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the Free Software Foundation; either version 2, or (at your option) 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * any later version. 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This SCTP implementation is distributed in the hope that it 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * will be useful, but WITHOUT ANY WARRANTY; without even the implied 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ************************ 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 2230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * See the GNU General Public License for more details. 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * You should have received a copy of the GNU General Public License 25e87eaf040ab639e94ed0a58ff0eac68d1d38fb0aEd Heyl * along with GNU CC; see the file COPYING. If not, see 26e87eaf040ab639e94ed0a58ff0eac68d1d38fb0aEd Heyl * <http://www.gnu.org/licenses/>. 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Please send any bug reports or fixes you make to the 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * email address(es): 30e87eaf040ab639e94ed0a58ff0eac68d1d38fb0aEd Heyl * lksctp developers <linux-sctp@vger.kernel.org> 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Or submit a bug report through the following website: 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * http://www.sf.net/projects/lksctp 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 3530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Written or modified by: 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * La Monte H.P. Yarroll <piggy@acm.org> 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * R. Stewart <randall@sctp.chicago.il.us> 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * K. Morneau <kmorneau@cisco.com> 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Q. Xie <qxie1@email.mot.com> 4030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Karl Knutson <karl@athena.chicago.il.us> 4130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Jon Grimm <jgrimm@us.ibm.com> 4230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Daisy Chang <daisyc@us.ibm.com> 4330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Ryan Layer <rmlayer@us.ibm.com> 4430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Ardelle Fan <ardelle.fan@intel.com> 4530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Sridhar Samudrala <sri@us.ibm.com> 4630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com> 4730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Vlad Yasevich <vladislav.yasevich@hp.com> 4830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 4930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Any bugs reported given to us we will try to fix... any fixes shared will 5030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * be incorporated into the next SCTP release. 5130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 5230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _UAPI_SCTP_H 5430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _UAPI_SCTP_H 5530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/types.h> 5730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/socket.h> 5830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5930692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef __s32 sctp_assoc_t; 6030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* The following symbols come from the Sockets API Extensions for 6230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>. 6330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 6430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_RTOINFO 0 6530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_ASSOCINFO 1 6630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_INITMSG 2 6730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_NODELAY 3 /* Get/set nodelay option. */ 6830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTOCLOSE 4 6930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SET_PEER_PRIMARY_ADDR 5 7030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PRIMARY_ADDR 6 7130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_ADAPTATION_LAYER 7 7230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_DISABLE_FRAGMENTS 8 7330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PEER_ADDR_PARAMS 9 7430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_DEFAULT_SEND_PARAM 10 7530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_EVENTS 11 7630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_I_WANT_MAPPED_V4_ADDR 12 /* Turn on/off mapped v4 addresses */ 7730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_MAXSEG 13 /* Get/set maximum fragment. */ 7830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_STATUS 14 7930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_PEER_ADDR_INFO 15 8030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_DELAYED_ACK_TIME 16 8130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME 8230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_DELAYED_SACK SCTP_DELAYED_ACK_TIME 8330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_CONTEXT 17 8430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_FRAGMENT_INTERLEAVE 18 8530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PARTIAL_DELIVERY_POINT 19 /* Set/Get partial delivery point */ 8630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_MAX_BURST 20 /* Set/Get max burst */ 8730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTH_CHUNK 21 /* Set only: add a chunk type to authenticate */ 8830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_HMAC_IDENT 22 8930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTH_KEY 23 9030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTH_ACTIVE_KEY 24 9130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTH_DELETE_KEY 25 9230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PEER_AUTH_CHUNKS 26 /* Read only */ 9330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_LOCAL_AUTH_CHUNKS 27 /* Read only */ 9430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_ASSOC_NUMBER 28 /* Read only */ 9530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_ASSOC_ID_LIST 29 /* Read only */ 9630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTO_ASCONF 30 9730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PEER_ADDR_THLDS 31 9830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 9930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Internal Socket Options. Some of the sctp library functions are 10030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * implemented using these socket options. 10130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 10230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_BINDX_ADD 100 /* BINDX requests for adding addrs */ 10330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_BINDX_REM 101 /* BINDX requests for removing addrs. */ 10430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_PEELOFF 102 /* peel off association. */ 10530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Options 104-106 are deprecated and removed. Do not use this space */ 10630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_CONNECTX_OLD 107 /* CONNECTX old requests. */ 10730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_PEER_ADDRS 108 /* Get all peer address. */ 10830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_LOCAL_ADDRS 109 /* Get all local address. */ 10930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_CONNECTX 110 /* CONNECTX requests. */ 11030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SOCKOPT_CONNECTX3 111 /* CONNECTX requests (updated) */ 11130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_GET_ASSOC_STATS 112 /* Read only */ 11230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 11330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 11430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.2.1 SCTP Initiation Structure (SCTP_INIT) 11530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 11630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This cmsghdr structure provides information for initializing new 11730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP associations with sendmsg(). The SCTP_INITMSG socket option 11830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * uses this same data structure. This structure is not used for 11930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * recvmsg(). 12030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 12130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * cmsg_level cmsg_type cmsg_data[] 12230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ------------ ------------ ---------------------- 12330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * IPPROTO_SCTP SCTP_INIT struct sctp_initmsg 12430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 12530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 12630692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_initmsg { 12730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinit_num_ostreams; 12830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinit_max_instreams; 12930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinit_max_attempts; 13030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinit_max_init_timeo; 13130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 13230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 13330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 13430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV) 13530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 13630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This cmsghdr structure specifies SCTP options for sendmsg() and 13730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * describes SCTP header information about a received message through 13830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * recvmsg(). 13930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 14030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * cmsg_level cmsg_type cmsg_data[] 14130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ------------ ------------ ---------------------- 14230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo 14330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 14430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 14530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_sndrcvinfo { 14630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinfo_stream; 14730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinfo_ssn; 14830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sinfo_flags; 14930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sinfo_ppid; 15030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sinfo_context; 15130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sinfo_timetolive; 15230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sinfo_tsn; 15330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sinfo_cumtsn; 15430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sinfo_assoc_id; 15530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 15630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 15830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sinfo_flags: 16 bits (unsigned integer) 15930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 16030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This field may contain any of the following flags and is composed of 16130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * a bitwise OR of these values. 16230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 16330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 16430692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_sinfo_flags { 16530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_UNORDERED = 1, /* Send/receive message unordered. */ 16630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_OVER = 2, /* Override the primary destination. */ 16730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ABORT=4, /* Send an ABORT message to the peer. */ 16830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SACK_IMMEDIATELY = 8, /* SACK should be sent without delay */ 16930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */ 17030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 17130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 17230692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef union { 17330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 raw; 17430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_initmsg init; 17530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_sndrcvinfo sndrcv; 17630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} sctp_cmsg_data_t; 17730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 17830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* These are cmsg_types. */ 17930692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef enum sctp_cmsg_type { 18030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */ 18130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_INIT SCTP_INIT 18230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */ 18330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SNDRCV SCTP_SNDRCV 18430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} sctp_cmsg_t; 18530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 18630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 18730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.1 SCTP_ASSOC_CHANGE 18830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 18930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Communication notifications inform the ULP that an SCTP association 19030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * has either begun or ended. The identifier for a new association is 19130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * provided by this notificaion. The notification information has the 19230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * following format: 19330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 19430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 19530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_assoc_change { 19630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_type; 19730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_flags; 19830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sac_length; 19930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_state; 20030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_error; 20130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_outbound_streams; 20230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sac_inbound_streams; 20330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sac_assoc_id; 20430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sac_info[0]; 20530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 20630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 20730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 20830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sac_state: 32 bits (signed integer) 20930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 21030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This field holds one of a number of values that communicate the 21130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * event that happened to the association. They include: 21230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 21330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Note: The following state names deviate from the API draft as 21430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the names clash too easily with other kernel symbols. 21530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 21630692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_sac_state { 21730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_COMM_UP, 21830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_COMM_LOST, 21930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_RESTART, 22030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_COMP, 22130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_CANT_STR_ASSOC, 22230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 22330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 22430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 22530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.2 SCTP_PEER_ADDR_CHANGE 22630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 22730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When a destination address on a multi-homed peer encounters a change 22830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * an interface details event is sent. The information has the 22930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * following structure: 23030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 23130692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_paddr_change { 23230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 spc_type; 23330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 spc_flags; 23430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spc_length; 23530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage spc_aaddr; 23630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int spc_state; 23730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int spc_error; 23830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t spc_assoc_id; 23930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed, aligned(4))); 24030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 24130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 24230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * spc_state: 32 bits (signed integer) 24330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 24430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This field holds one of a number of values that communicate the 24530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * event that happened to the address. They include: 24630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 24730692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_spc_state { 24830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_AVAILABLE, 24930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_UNREACHABLE, 25030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_REMOVED, 25130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_ADDED, 25230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_MADE_PRIM, 25330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADDR_CONFIRMED, 25430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 25530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 25630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 25730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 25830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.3 SCTP_REMOTE_ERROR 25930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 26030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * A remote peer may send an Operational Error message to its peer. 26130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This message indicates a variety of error conditions on an 26230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * association. The entire error TLV as it appears on the wire is 26330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP 26430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * specification [SCTP] and any extensions for a list of possible 26530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * error formats. SCTP error TLVs have the format: 26630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 26730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_remote_error { 26830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sre_type; 26930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sre_flags; 27030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sre_length; 27130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sre_error; 27230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sre_assoc_id; 27330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sre_data[0]; 27430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 27530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 27630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 27730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 27830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.4 SCTP_SEND_FAILED 27930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 28030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * If SCTP cannot deliver a message it may return the message as a 28130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * notification. 28230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 28330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_send_failed { 28430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 ssf_type; 28530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 ssf_flags; 28630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 ssf_length; 28730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 ssf_error; 28830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_sndrcvinfo ssf_info; 28930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t ssf_assoc_id; 29030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 ssf_data[0]; 29130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 29230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 29330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 29430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ssf_flags: 16 bits (unsigned integer) 29530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 29630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * The flag value will take one of the following values 29730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 29830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP_DATA_UNSENT - Indicates that the data was never put on 29930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the wire. 30030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 30130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP_DATA_SENT - Indicates that the data was put on the wire. 30230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Note that this does not necessarily mean that the 30330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * data was (or was not) successfully delivered. 30430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 30530692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_ssf_flags { 30630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_DATA_UNSENT, 30730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_DATA_SENT, 30830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 30930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 31030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 31130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.5 SCTP_SHUTDOWN_EVENT 31230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 31330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When a peer sends a SHUTDOWN, SCTP delivers this notification to 31430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * inform the application that it should cease sending data. 31530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 31630692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_shutdown_event { 31730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sse_type; 31830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sse_flags; 31930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sse_length; 32030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sse_assoc_id; 32130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 32230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 32330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 32430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.6 SCTP_ADAPTATION_INDICATION 32530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 32630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When a peer sends a Adaptation Layer Indication parameter , SCTP 32730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * delivers this notification to inform the application 32830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * that of the peers requested adaptation layer. 32930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 33030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_adaptation_event { 33130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sai_type; 33230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sai_flags; 33330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sai_length; 33430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sai_adaptation_ind; 33530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sai_assoc_id; 33630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 33730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 33830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 33930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT 34030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 34130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When a receiver is engaged in a partial delivery of a 34230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * message this notification will be used to indicate 34330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * various events. 34430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 34530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_pdapi_event { 34630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 pdapi_type; 34730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 pdapi_flags; 34830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 pdapi_length; 34930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 pdapi_indication; 35030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t pdapi_assoc_id; 35130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 35230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 35330692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum { SCTP_PARTIAL_DELIVERY_ABORTED=0, }; 35430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 35530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 35630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1.8. SCTP_AUTHENTICATION_EVENT 35730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 35830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When a receiver is using authentication this message will provide 35930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * notifications regarding new keys being made active as well as errors. 36030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 36130692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_authkey_event { 36230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 auth_type; 36330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 auth_flags; 36430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 auth_length; 36530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 auth_keynumber; 36630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 auth_altkeynumber; 36730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 auth_indication; 36830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t auth_assoc_id; 36930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 37030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 37130692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum { SCTP_AUTH_NEWKEY = 0, }; 37230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 37330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 37430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 6.1.9. SCTP_SENDER_DRY_EVENT 37530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 37630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * When the SCTP stack has no more user data to send or retransmit, this 37730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * notification is given to the user. Also, at the time when a user app 37830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * subscribes to this event, if there is no data to be sent or 37930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * retransmit, the stack will immediately send up this notification. 38030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 38130692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_sender_dry_event { 38230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sender_dry_type; 38330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sender_dry_flags; 38430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sender_dry_length; 38530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sender_dry_assoc_id; 38630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 38730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 38830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 38930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Described in Section 7.3 39030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Ancillary Data and Notification Interest Options 39130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 39230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_event_subscribe { 39330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_data_io_event; 39430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_association_event; 39530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_address_event; 39630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_send_failure_event; 39730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_peer_error_event; 39830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_shutdown_event; 39930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_partial_delivery_event; 40030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_adaptation_layer_event; 40130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_authentication_event; 40230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sctp_sender_dry_event; 40330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 40430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 40530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 40630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 5.3.1 SCTP Notification Structure 40730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 40830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * The notification structure is defined as the union of all 40930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * notification types. 41030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 41130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 41230692c65c4174412c90e79489e98ab85c1a7412fBen Chengunion sctp_notification { 41330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct { 41430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sn_type; /* Notification type. */ 41530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sn_flags; 41630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sn_length; 41730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng } sn_header; 41830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_assoc_change sn_assoc_change; 41930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_paddr_change sn_paddr_change; 42030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_remote_error sn_remote_error; 42130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_send_failed sn_send_failed; 42230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_shutdown_event sn_shutdown_event; 42330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_adaptation_event sn_adaptation_event; 42430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_pdapi_event sn_pdapi_event; 42530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_authkey_event sn_authkey_event; 42630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_sender_dry_event sn_sender_dry_event; 42730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 42830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 42930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Section 5.3.1 43030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * All standard values for sn_type flags are greater than 2^15. 43130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Values from 2^15 and down are reserved. 43230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 43330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 43430692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_sn_type { 43530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SN_TYPE_BASE = (1<<15), 43630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ASSOC_CHANGE, 43730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_ASSOC_CHANGE SCTP_ASSOC_CHANGE 43830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_PEER_ADDR_CHANGE, 43930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PEER_ADDR_CHANGE SCTP_PEER_ADDR_CHANGE 44030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SEND_FAILED, 44130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SEND_FAILED SCTP_SEND_FAILED 44230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_REMOTE_ERROR, 44330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_REMOTE_ERROR SCTP_REMOTE_ERROR 44430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_EVENT, 44530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SHUTDOWN_EVENT SCTP_SHUTDOWN_EVENT 44630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_PARTIAL_DELIVERY_EVENT, 44730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_PARTIAL_DELIVERY_EVENT SCTP_PARTIAL_DELIVERY_EVENT 44830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ADAPTATION_INDICATION, 44930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_ADAPTATION_INDICATION SCTP_ADAPTATION_INDICATION 45030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_AUTHENTICATION_EVENT, 45130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_AUTHENTICATION_INDICATION SCTP_AUTHENTICATION_EVENT 45230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SENDER_DRY_EVENT, 45330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_SENDER_DRY_EVENT SCTP_SENDER_DRY_EVENT 45430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 45530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 45630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Notification error codes used to fill up the error fields in some 45730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * notifications. 45830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP_PEER_ADDRESS_CHAGE : spc_error 45930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP_ASSOC_CHANGE : sac_error 46030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * These names should be potentially included in the draft 04 of the SCTP 46130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sockets API specification. 46230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 46330692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef enum sctp_sn_error { 46430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_FAILED_THRESHOLD, 46530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_RECEIVED_SACK, 46630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_HEARTBEAT_SUCCESS, 46730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_RESPONSE_TO_USER_REQ, 46830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_INTERNAL_ERROR, 46930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_GUARD_EXPIRES, 47030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_PEER_FAULTY, 47130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} sctp_sn_error_t; 47230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 47330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 47430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.1 Retransmission Timeout Parameters (SCTP_RTOINFO) 47530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 47630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * The protocol parameters used to initialize and bound retransmission 47730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * timeout (RTO) are tunable. See [SCTP] for more information on how 47830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * these parameters are used in RTO calculation. 47930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 48030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_rtoinfo { 48130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t srto_assoc_id; 48230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 srto_initial; 48330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 srto_max; 48430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 srto_min; 48530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 48630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 48730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 48830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.2 Association Parameters (SCTP_ASSOCINFO) 48930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 49030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option is used to both examine and set various association and 49130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * endpoint parameters. 49230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 49330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_assocparams { 49430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sasoc_assoc_id; 49530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sasoc_asocmaxrxt; 49630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sasoc_number_peer_destinations; 49730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sasoc_peer_rwnd; 49830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sasoc_local_rwnd; 49930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sasoc_cookie_life; 50030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 50130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 50230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 50330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.9 Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR) 50430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 50530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Requests that the peer mark the enclosed address as the association 50630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * primary. The enclosed address must be one of the association's 50730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * locally bound addresses. The following structure is used to make a 50830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * set primary request: 50930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 51030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_setpeerprim { 51130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sspp_assoc_id; 51230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage sspp_addr; 51330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed, aligned(4))); 51430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 51530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 51630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR) 51730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 51830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Requests that the local SCTP stack use the enclosed peer address as 51930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the association primary. The enclosed address must be one of the 52030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * association peer's addresses. The following structure is used to 52130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * make a set peer primary request: 52230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 52330692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_prim { 52430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t ssp_assoc_id; 52530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage ssp_addr; 52630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed, aligned(4))); 52730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 52830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* For backward compatibility use, define the old name too */ 52930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define sctp_setprim sctp_prim 53030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 53130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 53230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.11 Set Adaptation Layer Indicator (SCTP_ADAPTATION_LAYER) 53330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 53430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Requests that the local endpoint set the specified Adaptation Layer 53530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Indication parameter for all future INIT and INIT-ACK exchanges. 53630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 53730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_setadaptation { 53830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 ssb_adaptation_ind; 53930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 54030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 54130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 54230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.13 Peer Address Parameters (SCTP_PEER_ADDR_PARAMS) 54330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 54430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Applications can enable or disable heartbeats for any peer address 54530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * of an association, modify an address's heartbeat interval, force a 54630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * heartbeat to be sent immediately, and adjust the address's maximum 54730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * number of retransmissions sent before an address is considered 54830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * unreachable. The following structure is used to access and modify an 54930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * address's parameters: 55030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 55130692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_spp_flags { 55230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_HB_ENABLE = 1<<0, /*Enable heartbeats*/ 55330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_HB_DISABLE = 1<<1, /*Disable heartbeats*/ 55430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE, 55530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_HB_DEMAND = 1<<2, /*Send heartbeat immediately*/ 55630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_PMTUD_ENABLE = 1<<3, /*Enable PMTU discovery*/ 55730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_PMTUD_DISABLE = 1<<4, /*Disable PMTU discovery*/ 55830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE, 55930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_SACKDELAY_ENABLE = 1<<5, /*Enable SACK*/ 56030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_SACKDELAY_DISABLE = 1<<6, /*Disable SACK*/ 56130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE, 56230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SPP_HB_TIME_IS_ZERO = 1<<7, /* Set HB delay to 0 */ 56330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 56430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 56530692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_paddrparams { 56630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t spp_assoc_id; 56730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage spp_address; 56830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spp_hbinterval; 56930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 spp_pathmaxrxt; 57030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spp_pathmtu; 57130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spp_sackdelay; 57230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spp_flags; 57330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed, aligned(4))); 57430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 57530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 57630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.18. Add a chunk that must be authenticated (SCTP_AUTH_CHUNK) 57730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 57830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This set option adds a chunk type that the user is requesting to be 57930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * received only in an authenticated way. Changes to the list of chunks 58030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * will only effect future associations on the socket. 58130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 58230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_authchunk { 58330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sauth_chunk; 58430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 58530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 58630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 58730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.19. Get or set the list of supported HMAC Identifiers (SCTP_HMAC_IDENT) 58830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 58930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option gets or sets the list of HMAC algorithms that the local 59030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * endpoint requires the peer to use. 59130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 59230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef __KERNEL__ 59330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* This here is only used by user space as is. It might not be a good idea 59430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * to export/reveal the whole structure with reserved fields etc. 59530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 59630692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum { 59730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_AUTH_HMAC_ID_SHA1 = 1, 59830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_AUTH_HMAC_ID_SHA256 = 3, 59930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 60030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 60130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 60230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_hmacalgo { 60330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 shmac_num_idents; 60430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 shmac_idents[]; 60530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 60630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 60730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Sadly, user and kernel space have different names for 60830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * this structure member, so this is to not break anything. 60930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 61030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define shmac_number_of_idents shmac_num_idents 61130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 61230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 61330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.20. Set a shared key (SCTP_AUTH_KEY) 61430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 61530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option will set a shared secret key which is used to build an 61630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * association shared key. 61730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 61830692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_authkey { 61930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sca_assoc_id; 62030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sca_keynumber; 62130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sca_keylength; 62230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 sca_key[]; 62330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 62430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 62530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 62630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.21. Get or set the active shared key (SCTP_AUTH_ACTIVE_KEY) 62730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 62830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option will get or set the active shared key to be used to build 62930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the association shared key. 63030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 63130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 63230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_authkeyid { 63330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t scact_assoc_id; 63430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 scact_keynumber; 63530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 63630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 63730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 63830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 63930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.1.23. Get or set delayed ack timer (SCTP_DELAYED_SACK) 64030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 64130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option will effect the way delayed acks are performed. This 64230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * option allows you to get or set the delayed ack time, in 64330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * milliseconds. It also allows changing the delayed ack frequency. 64430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Changing the frequency to 1 disables the delayed sack algorithm. If 64530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the assoc_id is 0, then this sets or gets the endpoints default 64630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * values. If the assoc_id field is non-zero, then the set or get 64730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * effects the specified association for the one to many model (the 64830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * assoc_id field is ignored by the one to one model). Note that if 64930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sack_delay or sack_freq are 0 when setting this option, then the 65030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * current values will remain unchanged. 65130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 65230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_sack_info { 65330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sack_assoc_id; 65430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng uint32_t sack_delay; 65530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng uint32_t sack_freq; 65630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 65730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 65830692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_assoc_value { 65930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t assoc_id; 66030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng uint32_t assoc_value; 66130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 66230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 66330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 66430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.2.2 Peer Address Information 66530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 66630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Applications can retrieve information about a specific peer address 66730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * of an association, including its reachability state, congestion 66830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * window, and retransmission timer values. This information is 66930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * read-only. The following structure is used to access this 67030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * information: 67130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 67230692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_paddrinfo { 67330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t spinfo_assoc_id; 67430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage spinfo_address; 67530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __s32 spinfo_state; 67630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spinfo_cwnd; 67730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spinfo_srtt; 67830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spinfo_rto; 67930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 spinfo_mtu; 68030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed, aligned(4))); 68130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 68230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Peer addresses's state. */ 68330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x] 68430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * calls. 68530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters. 68630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Not yet confirmed by a heartbeat and not available for data 68730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * transfers. 68830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * ACTIVE : Peer address confirmed, active and available for data transfers. 68930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * INACTIVE: Peer address inactive and not available for data transfers. 69030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 69130692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_spinfo_state { 69230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_INACTIVE, 69330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_PF, 69430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ACTIVE, 69530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_UNCONFIRMED, 69630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_UNKNOWN = 0xffff /* Value used for transport state unknown */ 69730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 69830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 69930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 70030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.2.1 Association Status (SCTP_STATUS) 70130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 70230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Applications can retrieve current status information about an 70330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * association, including association state, peer receiver window size, 70430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * number of unacked data chunks, and number of data chunks pending 70530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * receipt. This information is read-only. The following structure is 70630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * used to access this information: 70730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 70830692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_status { 70930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sstat_assoc_id; 71030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __s32 sstat_state; 71130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sstat_rwnd; 71230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sstat_unackdata; 71330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sstat_penddata; 71430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sstat_instrms; 71530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 sstat_outstrms; 71630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 sstat_fragmentation_point; 71730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sctp_paddrinfo sstat_primary; 71830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 71930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 72030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 72130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 7.2.3. Get the list of chunks the peer requires to be authenticated 72230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * (SCTP_PEER_AUTH_CHUNKS) 72330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 72430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option gets a list of chunks for a specified association that 72530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the peer requires to be received authenticated only. 72630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 72730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_authchunks { 72830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t gauth_assoc_id; 72930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 gauth_number_of_chunks; 73030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng uint8_t gauth_chunks[]; 73130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 73230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 73330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* The broken spelling has been released already in lksctp-tools header, 73430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * so don't break anyone, now that it's fixed. 73530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 73630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define guth_number_of_chunks gauth_number_of_chunks 73730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 73830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* Association states. */ 73930692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_sstat_state { 74030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_EMPTY = 0, 74130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_CLOSED = 1, 74230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_COOKIE_WAIT = 2, 74330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_COOKIE_ECHOED = 3, 74430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_ESTABLISHED = 4, 74530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_PENDING = 5, 74630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_SENT = 6, 74730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_RECEIVED = 7, 74830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng SCTP_SHUTDOWN_ACK_SENT = 8, 74930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 75030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 75130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 75230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 8.2.6. Get the Current Identifiers of Associations 75330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * (SCTP_GET_ASSOC_ID_LIST) 75430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 75530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This option gets the current list of SCTP association identifiers of 75630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the SCTP associations handled by a one-to-many style socket. 75730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 75830692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_assoc_ids { 75930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 gaids_number_of_ids; 76030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t gaids_assoc_id[]; 76130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 76230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 76330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 76430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 8.3, 8.5 get all peer/local addresses in an association. 76530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This parameter struct is used by SCTP_GET_PEER_ADDRS and 76630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * SCTP_GET_LOCAL_ADDRS socket options used internally to implement 76730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sctp_getpaddrs() and sctp_getladdrs() API. 76830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 76930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_getaddrs_old { 77030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t assoc_id; 77130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int addr_num; 77230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifdef __KERNEL__ 77330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr __user *addrs; 77430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#else 77530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr *addrs; 77630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 77730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 77830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 77930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_getaddrs { 78030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t assoc_id; /*input*/ 78130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u32 addr_num; /*output*/ 78230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 addrs[0]; /*output, variable size*/ 78330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 78430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 78530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* A socket user request obtained via SCTP_GET_ASSOC_STATS that retrieves 78630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * association stats. All stats are counts except sas_maxrto and 78730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * sas_obs_rto_ipaddr. maxrto is the max observed rto + transport since 78830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * the last call. Will return 0 when RTO was not update since last call 78930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 79030692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_assoc_stats { 79130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t sas_assoc_id; /* Input */ 79230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* Transport of observed max RTO */ 79330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage sas_obs_rto_ipaddr; 79430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_maxrto; /* Maximum Observed RTO for period */ 79530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_isacks; /* SACKs received */ 79630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_osacks; /* SACKs sent */ 79730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_opackets; /* Packets sent */ 79830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_ipackets; /* Packets received */ 79930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_rtxchunks; /* Retransmitted Chunks */ 80030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_outofseqtsns;/* TSN received > next expected */ 80130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_idupchunks; /* Dups received (ordered+unordered) */ 80230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_gapcnt; /* Gap Acknowledgements Received */ 80330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_ouodchunks; /* Unordered data chunks sent */ 80430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_iuodchunks; /* Unordered data chunks received */ 80530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_oodchunks; /* Ordered data chunks sent */ 80630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_iodchunks; /* Ordered data chunks received */ 80730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_octrlchunks; /* Control chunks sent */ 80830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u64 sas_ictrlchunks; /* Control chunks received */ 80930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 81030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 81130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* These are bit fields for msghdr->msg_flags. See section 5.1. */ 81230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* On user space Linux, these live in <bits/socket.h> as an enum. */ 81330692c65c4174412c90e79489e98ab85c1a7412fBen Chengenum sctp_msg_flags { 81430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng MSG_NOTIFICATION = 0x8000, 81530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define MSG_NOTIFICATION MSG_NOTIFICATION 81630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 81730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 81830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 81930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 8.1 sctp_bindx() 82030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 82130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * The flags parameter is formed from the bitwise OR of zero or more of the 82230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * following currently defined flags: 82330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 82430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_BINDX_ADD_ADDR 0x01 82530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define SCTP_BINDX_REM_ADDR 0x02 82630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 82730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* This is the structure that is passed as an argument(optval) to 82830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * getsockopt(SCTP_SOCKOPT_PEELOFF). 82930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 83030692c65c4174412c90e79489e98ab85c1a7412fBen Chengtypedef struct { 83130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t associd; 83230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int sd; 83330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} sctp_peeloff_arg_t; 83430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 83530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 83630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Peer Address Thresholds socket option 83730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 83830692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct sctp_paddrthlds { 83930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng sctp_assoc_t spt_assoc_id; 84030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct sockaddr_storage spt_address; 84130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 spt_pathmaxrxt; 84230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 spt_pathpfthld; 84330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 84430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 84530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _UAPI_SCTP_H */ 846