![Sridhar Samudrala](/assets/img/avatar_default.png)
This patch implements Path Initialization procedure as described in Sec 2.36 of RFC4460. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
641 lines
19 KiB
C
641 lines
19 KiB
C
/* SCTP kernel reference Implementation
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* (C) Copyright IBM Corp. 2001, 2004
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* Copyright (c) 1999-2000 Cisco, Inc.
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* Copyright (c) 1999-2001 Motorola, Inc.
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* Copyright (c) 2002 Intel Corp.
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*
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* This file is part of the SCTP kernel reference Implementation
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*
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* This header represents the structures and constants needed to support
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* the SCTP Extension to the Sockets API.
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*
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* The SCTP reference implementation is free software;
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* you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* The SCTP reference implementation is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* ************************
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU CC; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Please send any bug reports or fixes you make to the
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* email address(es):
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* lksctp developers <lksctp-developers@lists.sourceforge.net>
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*
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* Or submit a bug report through the following website:
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* http://www.sf.net/projects/lksctp
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*
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* Written or modified by:
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* La Monte H.P. Yarroll <piggy@acm.org>
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* R. Stewart <randall@sctp.chicago.il.us>
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* K. Morneau <kmorneau@cisco.com>
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* Q. Xie <qxie1@email.mot.com>
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* Karl Knutson <karl@athena.chicago.il.us>
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* Jon Grimm <jgrimm@us.ibm.com>
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* Daisy Chang <daisyc@us.ibm.com>
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* Ryan Layer <rmlayer@us.ibm.com>
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* Ardelle Fan <ardelle.fan@intel.com>
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* Sridhar Samudrala <sri@us.ibm.com>
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*
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* Any bugs reported given to us we will try to fix... any fixes shared will
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* be incorporated into the next SCTP release.
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*/
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#ifndef __net_sctp_user_h__
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#define __net_sctp_user_h__
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#include <linux/types.h>
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#include <linux/socket.h>
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typedef __s32 sctp_assoc_t;
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/* The following symbols come from the Sockets API Extensions for
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* SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>.
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*/
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enum sctp_optname {
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SCTP_RTOINFO,
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#define SCTP_RTOINFO SCTP_RTOINFO
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SCTP_ASSOCINFO,
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#define SCTP_ASSOCINFO SCTP_ASSOCINFO
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SCTP_INITMSG,
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#define SCTP_INITMSG SCTP_INITMSG
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SCTP_NODELAY, /* Get/set nodelay option. */
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#define SCTP_NODELAY SCTP_NODELAY
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SCTP_AUTOCLOSE,
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#define SCTP_AUTOCLOSE SCTP_AUTOCLOSE
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SCTP_SET_PEER_PRIMARY_ADDR,
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#define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR
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SCTP_PRIMARY_ADDR,
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#define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR
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SCTP_ADAPTION_LAYER,
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#define SCTP_ADAPTION_LAYER SCTP_ADAPTION_LAYER
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SCTP_DISABLE_FRAGMENTS,
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#define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS
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SCTP_PEER_ADDR_PARAMS,
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#define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS
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SCTP_DEFAULT_SEND_PARAM,
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#define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM
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SCTP_EVENTS,
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#define SCTP_EVENTS SCTP_EVENTS
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SCTP_I_WANT_MAPPED_V4_ADDR, /* Turn on/off mapped v4 addresses */
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#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
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SCTP_MAXSEG, /* Get/set maximum fragment. */
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#define SCTP_MAXSEG SCTP_MAXSEG
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SCTP_STATUS,
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#define SCTP_STATUS SCTP_STATUS
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SCTP_GET_PEER_ADDR_INFO,
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#define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
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SCTP_DELAYED_ACK_TIME,
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#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME
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/* Internal Socket Options. Some of the sctp library functions are
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* implemented using these socket options.
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*/
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SCTP_SOCKOPT_BINDX_ADD = 100,/* BINDX requests for adding addresses. */
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#define SCTP_SOCKOPT_BINDX_ADD SCTP_SOCKOPT_BINDX_ADD
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SCTP_SOCKOPT_BINDX_REM, /* BINDX requests for removing addresses. */
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#define SCTP_SOCKOPT_BINDX_REM SCTP_SOCKOPT_BINDX_REM
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SCTP_SOCKOPT_PEELOFF, /* peel off association. */
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#define SCTP_SOCKOPT_PEELOFF SCTP_SOCKOPT_PEELOFF
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SCTP_GET_PEER_ADDRS_NUM_OLD, /* Get number of peer addresss. */
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#define SCTP_GET_PEER_ADDRS_NUM_OLD SCTP_GET_PEER_ADDRS_NUM_OLD
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SCTP_GET_PEER_ADDRS_OLD, /* Get all peer addresss. */
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#define SCTP_GET_PEER_ADDRS_OLD SCTP_GET_PEER_ADDRS_OLD
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SCTP_GET_LOCAL_ADDRS_NUM_OLD, /* Get number of local addresss. */
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#define SCTP_GET_LOCAL_ADDRS_NUM_OLD SCTP_GET_LOCAL_ADDRS_NUM_OLD
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SCTP_GET_LOCAL_ADDRS_OLD, /* Get all local addresss. */
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#define SCTP_GET_LOCAL_ADDRS_OLD SCTP_GET_LOCAL_ADDRS_OLD
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SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
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#define SCTP_SOCKOPT_CONNECTX SCTP_SOCKOPT_CONNECTX
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SCTP_GET_PEER_ADDRS, /* Get all peer addresss. */
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#define SCTP_GET_PEER_ADDRS SCTP_GET_PEER_ADDRS
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SCTP_GET_LOCAL_ADDRS, /* Get all local addresss. */
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#define SCTP_GET_LOCAL_ADDRS SCTP_GET_LOCAL_ADDRS
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};
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/*
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* 5.2.1 SCTP Initiation Structure (SCTP_INIT)
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*
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* This cmsghdr structure provides information for initializing new
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* SCTP associations with sendmsg(). The SCTP_INITMSG socket option
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* uses this same data structure. This structure is not used for
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* recvmsg().
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*
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* cmsg_level cmsg_type cmsg_data[]
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* ------------ ------------ ----------------------
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* IPPROTO_SCTP SCTP_INIT struct sctp_initmsg
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*
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*/
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struct sctp_initmsg {
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__u16 sinit_num_ostreams;
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__u16 sinit_max_instreams;
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__u16 sinit_max_attempts;
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__u16 sinit_max_init_timeo;
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};
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/*
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* 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV)
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*
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* This cmsghdr structure specifies SCTP options for sendmsg() and
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* describes SCTP header information about a received message through
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* recvmsg().
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*
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* cmsg_level cmsg_type cmsg_data[]
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* ------------ ------------ ----------------------
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* IPPROTO_SCTP SCTP_SNDRCV struct sctp_sndrcvinfo
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*
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*/
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struct sctp_sndrcvinfo {
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__u16 sinfo_stream;
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__u16 sinfo_ssn;
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__u16 sinfo_flags;
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__u32 sinfo_ppid;
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__u32 sinfo_context;
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__u32 sinfo_timetolive;
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__u32 sinfo_tsn;
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__u32 sinfo_cumtsn;
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sctp_assoc_t sinfo_assoc_id;
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};
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/*
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* sinfo_flags: 16 bits (unsigned integer)
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*
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* This field may contain any of the following flags and is composed of
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* a bitwise OR of these values.
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*/
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enum sctp_sinfo_flags {
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SCTP_UNORDERED = 1, /* Send/receive message unordered. */
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SCTP_ADDR_OVER = 2, /* Override the primary destination. */
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SCTP_ABORT=4, /* Send an ABORT message to the peer. */
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SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
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};
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typedef union {
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__u8 raw;
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struct sctp_initmsg init;
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struct sctp_sndrcvinfo sndrcv;
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} sctp_cmsg_data_t;
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/* These are cmsg_types. */
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typedef enum sctp_cmsg_type {
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SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */
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SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */
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} sctp_cmsg_t;
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/*
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* 5.3.1.1 SCTP_ASSOC_CHANGE
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*
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* Communication notifications inform the ULP that an SCTP association
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* has either begun or ended. The identifier for a new association is
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* provided by this notificaion. The notification information has the
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* following format:
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*
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*/
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struct sctp_assoc_change {
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__u16 sac_type;
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__u16 sac_flags;
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__u32 sac_length;
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__u16 sac_state;
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__u16 sac_error;
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__u16 sac_outbound_streams;
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__u16 sac_inbound_streams;
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sctp_assoc_t sac_assoc_id;
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};
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/*
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* sac_state: 32 bits (signed integer)
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*
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* This field holds one of a number of values that communicate the
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* event that happened to the association. They include:
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*
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* Note: The following state names deviate from the API draft as
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* the names clash too easily with other kernel symbols.
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*/
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enum sctp_sac_state {
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SCTP_COMM_UP,
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SCTP_COMM_LOST,
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SCTP_RESTART,
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SCTP_SHUTDOWN_COMP,
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SCTP_CANT_STR_ASSOC,
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};
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/*
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* 5.3.1.2 SCTP_PEER_ADDR_CHANGE
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*
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* When a destination address on a multi-homed peer encounters a change
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* an interface details event is sent. The information has the
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* following structure:
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*/
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struct sctp_paddr_change {
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__u16 spc_type;
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__u16 spc_flags;
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__u32 spc_length;
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struct sockaddr_storage spc_aaddr;
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int spc_state;
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int spc_error;
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sctp_assoc_t spc_assoc_id;
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} __attribute__((packed, aligned(4)));
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/*
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* spc_state: 32 bits (signed integer)
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*
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* This field holds one of a number of values that communicate the
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* event that happened to the address. They include:
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*/
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enum sctp_spc_state {
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SCTP_ADDR_AVAILABLE,
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SCTP_ADDR_UNREACHABLE,
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SCTP_ADDR_REMOVED,
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SCTP_ADDR_ADDED,
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SCTP_ADDR_MADE_PRIM,
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};
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/*
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* 5.3.1.3 SCTP_REMOTE_ERROR
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*
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* A remote peer may send an Operational Error message to its peer.
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* This message indicates a variety of error conditions on an
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* association. The entire error TLV as it appears on the wire is
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* included in a SCTP_REMOTE_ERROR event. Please refer to the SCTP
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* specification [SCTP] and any extensions for a list of possible
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* error formats. SCTP error TLVs have the format:
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*/
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struct sctp_remote_error {
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__u16 sre_type;
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__u16 sre_flags;
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__u32 sre_length;
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__u16 sre_error;
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sctp_assoc_t sre_assoc_id;
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__u8 sre_data[0];
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};
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/*
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* 5.3.1.4 SCTP_SEND_FAILED
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*
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* If SCTP cannot deliver a message it may return the message as a
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* notification.
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*/
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struct sctp_send_failed {
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__u16 ssf_type;
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__u16 ssf_flags;
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__u32 ssf_length;
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__u32 ssf_error;
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struct sctp_sndrcvinfo ssf_info;
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sctp_assoc_t ssf_assoc_id;
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__u8 ssf_data[0];
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};
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/*
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* ssf_flags: 16 bits (unsigned integer)
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*
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* The flag value will take one of the following values
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*
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* SCTP_DATA_UNSENT - Indicates that the data was never put on
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* the wire.
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*
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* SCTP_DATA_SENT - Indicates that the data was put on the wire.
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* Note that this does not necessarily mean that the
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* data was (or was not) successfully delivered.
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*/
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enum sctp_ssf_flags {
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SCTP_DATA_UNSENT,
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SCTP_DATA_SENT,
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};
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/*
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* 5.3.1.5 SCTP_SHUTDOWN_EVENT
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*
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* When a peer sends a SHUTDOWN, SCTP delivers this notification to
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* inform the application that it should cease sending data.
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*/
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struct sctp_shutdown_event {
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__u16 sse_type;
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__u16 sse_flags;
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__u32 sse_length;
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sctp_assoc_t sse_assoc_id;
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};
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/*
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* 5.3.1.6 SCTP_ADAPTION_INDICATION
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*
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* When a peer sends a Adaption Layer Indication parameter , SCTP
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* delivers this notification to inform the application
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* that of the peers requested adaption layer.
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*/
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struct sctp_adaption_event {
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__u16 sai_type;
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__u16 sai_flags;
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__u32 sai_length;
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__u32 sai_adaption_ind;
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sctp_assoc_t sai_assoc_id;
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};
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/*
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* 5.3.1.7 SCTP_PARTIAL_DELIVERY_EVENT
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*
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* When a receiver is engaged in a partial delivery of a
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* message this notification will be used to indicate
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* various events.
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*/
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struct sctp_pdapi_event {
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__u16 pdapi_type;
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__u16 pdapi_flags;
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__u32 pdapi_length;
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__u32 pdapi_indication;
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sctp_assoc_t pdapi_assoc_id;
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};
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enum { SCTP_PARTIAL_DELIVERY_ABORTED=0, };
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/*
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* Described in Section 7.3
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* Ancillary Data and Notification Interest Options
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*/
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struct sctp_event_subscribe {
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__u8 sctp_data_io_event;
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__u8 sctp_association_event;
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__u8 sctp_address_event;
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__u8 sctp_send_failure_event;
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__u8 sctp_peer_error_event;
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__u8 sctp_shutdown_event;
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__u8 sctp_partial_delivery_event;
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__u8 sctp_adaption_layer_event;
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};
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/*
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* 5.3.1 SCTP Notification Structure
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*
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* The notification structure is defined as the union of all
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* notification types.
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*
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*/
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union sctp_notification {
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struct {
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__u16 sn_type; /* Notification type. */
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__u16 sn_flags;
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__u32 sn_length;
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} sn_header;
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struct sctp_assoc_change sn_assoc_change;
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struct sctp_paddr_change sn_paddr_change;
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struct sctp_remote_error sn_remote_error;
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struct sctp_send_failed sn_send_failed;
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struct sctp_shutdown_event sn_shutdown_event;
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struct sctp_adaption_event sn_adaption_event;
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struct sctp_pdapi_event sn_pdapi_event;
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};
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/* Section 5.3.1
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* All standard values for sn_type flags are greater than 2^15.
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* Values from 2^15 and down are reserved.
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*/
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enum sctp_sn_type {
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SCTP_SN_TYPE_BASE = (1<<15),
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SCTP_ASSOC_CHANGE,
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SCTP_PEER_ADDR_CHANGE,
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SCTP_SEND_FAILED,
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SCTP_REMOTE_ERROR,
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SCTP_SHUTDOWN_EVENT,
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SCTP_PARTIAL_DELIVERY_EVENT,
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SCTP_ADAPTION_INDICATION,
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};
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/* Notification error codes used to fill up the error fields in some
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* notifications.
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* SCTP_PEER_ADDRESS_CHAGE : spc_error
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* SCTP_ASSOC_CHANGE : sac_error
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* These names should be potentially included in the draft 04 of the SCTP
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* sockets API specification.
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*/
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typedef enum sctp_sn_error {
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SCTP_FAILED_THRESHOLD,
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SCTP_RECEIVED_SACK,
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SCTP_HEARTBEAT_SUCCESS,
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SCTP_RESPONSE_TO_USER_REQ,
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SCTP_INTERNAL_ERROR,
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SCTP_SHUTDOWN_GUARD_EXPIRES,
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SCTP_PEER_FAULTY,
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} sctp_sn_error_t;
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/*
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* 7.1.1 Retransmission Timeout Parameters (SCTP_RTOINFO)
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*
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* The protocol parameters used to initialize and bound retransmission
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* timeout (RTO) are tunable. See [SCTP] for more information on how
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* these parameters are used in RTO calculation.
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*/
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struct sctp_rtoinfo {
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sctp_assoc_t srto_assoc_id;
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__u32 srto_initial;
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__u32 srto_max;
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__u32 srto_min;
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};
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/*
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* 7.1.2 Association Parameters (SCTP_ASSOCINFO)
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*
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* This option is used to both examine and set various association and
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* endpoint parameters.
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*/
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struct sctp_assocparams {
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sctp_assoc_t sasoc_assoc_id;
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__u16 sasoc_asocmaxrxt;
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__u16 sasoc_number_peer_destinations;
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__u32 sasoc_peer_rwnd;
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__u32 sasoc_local_rwnd;
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__u32 sasoc_cookie_life;
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};
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/*
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* 7.1.9 Set Peer Primary Address (SCTP_SET_PEER_PRIMARY_ADDR)
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*
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|
* Requests that the peer mark the enclosed address as the association
|
|
* primary. The enclosed address must be one of the association's
|
|
* locally bound addresses. The following structure is used to make a
|
|
* set primary request:
|
|
*/
|
|
struct sctp_setpeerprim {
|
|
sctp_assoc_t sspp_assoc_id;
|
|
struct sockaddr_storage sspp_addr;
|
|
} __attribute__((packed, aligned(4)));
|
|
|
|
/*
|
|
* 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
|
|
*
|
|
* Requests that the local SCTP stack use the enclosed peer address as
|
|
* the association primary. The enclosed address must be one of the
|
|
* association peer's addresses. The following structure is used to
|
|
* make a set peer primary request:
|
|
*/
|
|
struct sctp_prim {
|
|
sctp_assoc_t ssp_assoc_id;
|
|
struct sockaddr_storage ssp_addr;
|
|
} __attribute__((packed, aligned(4)));
|
|
|
|
/*
|
|
* 7.1.11 Set Adaption Layer Indicator (SCTP_ADAPTION_LAYER)
|
|
*
|
|
* Requests that the local endpoint set the specified Adaption Layer
|
|
* Indication parameter for all future INIT and INIT-ACK exchanges.
|
|
*/
|
|
struct sctp_setadaption {
|
|
__u32 ssb_adaption_ind;
|
|
};
|
|
|
|
/*
|
|
* 7.1.13 Peer Address Parameters (SCTP_PEER_ADDR_PARAMS)
|
|
*
|
|
* Applications can enable or disable heartbeats for any peer address
|
|
* of an association, modify an address's heartbeat interval, force a
|
|
* heartbeat to be sent immediately, and adjust the address's maximum
|
|
* number of retransmissions sent before an address is considered
|
|
* unreachable. The following structure is used to access and modify an
|
|
* address's parameters:
|
|
*/
|
|
enum sctp_spp_flags {
|
|
SPP_HB_ENABLE = 1, /*Enable heartbeats*/
|
|
SPP_HB_DISABLE = 2, /*Disable heartbeats*/
|
|
SPP_HB = SPP_HB_ENABLE | SPP_HB_DISABLE,
|
|
SPP_HB_DEMAND = 4, /*Send heartbeat immediately*/
|
|
SPP_PMTUD_ENABLE = 8, /*Enable PMTU discovery*/
|
|
SPP_PMTUD_DISABLE = 16, /*Disable PMTU discovery*/
|
|
SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,
|
|
SPP_SACKDELAY_ENABLE = 32, /*Enable SACK*/
|
|
SPP_SACKDELAY_DISABLE = 64, /*Disable SACK*/
|
|
SPP_SACKDELAY = SPP_SACKDELAY_ENABLE | SPP_SACKDELAY_DISABLE,
|
|
};
|
|
|
|
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;
|
|
} __attribute__((packed, aligned(4)));
|
|
|
|
/* 7.1.24. Delayed Ack Timer (SCTP_DELAYED_ACK_TIME)
|
|
*
|
|
* This options will get or set the delayed ack timer. The time is set
|
|
* in milliseconds. If the assoc_id is 0, then this sets or gets the
|
|
* endpoints default delayed ack timer value. If the assoc_id field is
|
|
* non-zero, then the set or get effects the specified association.
|
|
*/
|
|
struct sctp_assoc_value {
|
|
sctp_assoc_t assoc_id;
|
|
uint32_t assoc_value;
|
|
};
|
|
|
|
/*
|
|
* 7.2.2 Peer Address Information
|
|
*
|
|
* Applications can retrieve information about a specific peer address
|
|
* of an association, including its reachability state, congestion
|
|
* window, and retransmission timer values. This information is
|
|
* read-only. The following structure is used to access this
|
|
* information:
|
|
*/
|
|
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)));
|
|
|
|
/* Peer addresses's state. */
|
|
/* UNKNOWN: Peer address passed by the upper layer in sendmsg or connect[x]
|
|
* calls.
|
|
* UNCONFIRMED: Peer address received in INIT/INIT-ACK address parameters.
|
|
* Not yet confirmed by a heartbeat and not available for data
|
|
* transfers.
|
|
* ACTIVE : Peer address confirmed, active and available for data transfers.
|
|
* INACTIVE: Peer address inactive and not available for data transfers.
|
|
*/
|
|
enum sctp_spinfo_state {
|
|
SCTP_INACTIVE,
|
|
SCTP_ACTIVE,
|
|
SCTP_UNCONFIRMED,
|
|
SCTP_UNKNOWN = 0xffff /* Value used for transport state unknown */
|
|
};
|
|
|
|
/*
|
|
* 7.2.1 Association Status (SCTP_STATUS)
|
|
*
|
|
* Applications can retrieve current status information about an
|
|
* association, including association state, peer receiver window size,
|
|
* number of unacked data chunks, and number of data chunks pending
|
|
* receipt. This information is read-only. The following structure is
|
|
* used to access this information:
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/*
|
|
* 8.3, 8.5 get all peer/local addresses in an association.
|
|
* This parameter struct is used by SCTP_GET_PEER_ADDRS and
|
|
* SCTP_GET_LOCAL_ADDRS socket options used internally to implement
|
|
* sctp_getpaddrs() and sctp_getladdrs() API.
|
|
*/
|
|
struct sctp_getaddrs_old {
|
|
sctp_assoc_t assoc_id;
|
|
int addr_num;
|
|
struct sockaddr __user *addrs;
|
|
};
|
|
struct sctp_getaddrs {
|
|
sctp_assoc_t assoc_id; /*input*/
|
|
__u32 addr_num; /*output*/
|
|
__u8 addrs[0]; /*output, variable size*/
|
|
};
|
|
|
|
/* These are bit fields for msghdr->msg_flags. See section 5.1. */
|
|
/* On user space Linux, these live in <bits/socket.h> as an enum. */
|
|
enum sctp_msg_flags {
|
|
MSG_NOTIFICATION = 0x8000,
|
|
#define MSG_NOTIFICATION MSG_NOTIFICATION
|
|
};
|
|
|
|
/*
|
|
* 8.1 sctp_bindx()
|
|
*
|
|
* The flags parameter is formed from the bitwise OR of zero or more of the
|
|
* following currently defined flags:
|
|
*/
|
|
#define SCTP_BINDX_ADD_ADDR 0x01
|
|
#define SCTP_BINDX_REM_ADDR 0x02
|
|
|
|
/* This is the structure that is passed as an argument(optval) to
|
|
* getsockopt(SCTP_SOCKOPT_PEELOFF).
|
|
*/
|
|
typedef struct {
|
|
sctp_assoc_t associd;
|
|
int sd;
|
|
} sctp_peeloff_arg_t;
|
|
|
|
#endif /* __net_sctp_user_h__ */
|