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63 lines
1.8 KiB
63 lines
1.8 KiB
4 months ago
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/* SCTP kernel Implementation: User API extensions.
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*
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* opt_info.c
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*
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* Distributed under the terms of the LGPL v2.1 as described in
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* http://www.gnu.org/copyleft/lesser.txt
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*
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* This file is part of the user library that offers support for the
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* SCTP kernel Implementation. The main purpose of this
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* code if to provide the SCTP Socket API mappings for user
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* application to interface with the SCTP in kernel.
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*
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* This implementation is based on the Socket API Extensions for SCTP
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* defined in <draft-ietf-tsvwg-sctpsocket-10.txt.
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*
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* (C) Copyright IBM Corp. 2003
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* Copyright (c) 2002 Intel Corporation.
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*
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* Written or modified by:
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* Ardelle Fan <ardelle.fan@intel.com>
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*/
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#include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */
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#include <netinet/sctp.h> /* SCTP_SOCKOPT_BINDX_* */
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#include <errno.h>
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/* Support the sctp_opt_info() interface.
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*
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* See Sockets API Extensions for SCTP. Section 7.
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*
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* Pass sctp option information pass both in to and out of the SCTP stack.
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* This is a new SCTP API described in the section 7 of the Sockets API
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* Extensions for SCTP. This is implemented using the getsockopt() interface.
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*/
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int
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sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t *size)
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{
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switch (opt) {
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case SCTP_RTOINFO:
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case SCTP_ASSOCINFO:
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case SCTP_INITMSG:
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case SCTP_NODELAY:
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case SCTP_AUTOCLOSE:
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case SCTP_PRIMARY_ADDR:
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case SCTP_DISABLE_FRAGMENTS:
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case SCTP_PEER_ADDR_PARAMS:
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case SCTP_DEFAULT_SEND_PARAM:
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case SCTP_EVENTS:
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case SCTP_I_WANT_MAPPED_V4_ADDR:
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case SCTP_MAXSEG:
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case SCTP_STATUS:
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case SCTP_GET_PEER_ADDR_INFO:
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case SCTP_AUTH_ACTIVE_KEY:
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case SCTP_PEER_AUTH_CHUNKS:
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case SCTP_LOCAL_AUTH_CHUNKS:
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*(sctp_assoc_t *)arg = id;
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return getsockopt(sd, IPPROTO_SCTP, opt, arg, size);
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default:
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return ENOTSUP;
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}
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} /* sctp_opt_info() */
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