1 /* SCTP kernel Implementation: User API extensions. 2 * 3 * opt_info.c 4 * 5 * Distributed under the terms of the LGPL v2.1 as described in 6 * http://www.gnu.org/copyleft/lesser.txt 7 * 8 * This file is part of the user library that offers support for the 9 * SCTP kernel Implementation. The main purpose of this 10 * code if to provide the SCTP Socket API mappings for user 11 * application to interface with the SCTP in kernel. 12 * 13 * This implementation is based on the Socket API Extensions for SCTP 14 * defined in <draft-ietf-tsvwg-sctpsocket-10.txt. 15 * 16 * (C) Copyright IBM Corp. 2003 17 * Copyright (c) 2002 Intel Corporation. 18 * 19 * Written or modified by: 20 * Ardelle Fan <ardelle.fan (at) intel.com> 21 */ 22 23 #include <sys/socket.h> /* struct sockaddr_storage, setsockopt() */ 24 #include <netinet/sctp.h> /* SCTP_SOCKOPT_BINDX_* */ 25 #include <errno.h> 26 27 /* Support the sctp_opt_info() interface. 28 * 29 * See Sockets API Extensions for SCTP. Section 7. 30 * 31 * Pass sctp option information pass both in to and out of the SCTP stack. 32 * This is a new SCTP API described in the section 7 of the Sockets API 33 * Extensions for SCTP. This is implemented using the getsockopt() interface. 34 */ 35 int 36 sctp_opt_info(int sd, sctp_assoc_t id, int opt, void *arg, socklen_t *size) 37 { 38 switch (opt) { 39 case SCTP_RTOINFO: 40 case SCTP_ASSOCINFO: 41 case SCTP_INITMSG: 42 case SCTP_NODELAY: 43 case SCTP_AUTOCLOSE: 44 case SCTP_PRIMARY_ADDR: 45 case SCTP_DISABLE_FRAGMENTS: 46 case SCTP_PEER_ADDR_PARAMS: 47 case SCTP_DEFAULT_SEND_PARAM: 48 case SCTP_EVENTS: 49 case SCTP_I_WANT_MAPPED_V4_ADDR: 50 case SCTP_MAXSEG: 51 case SCTP_STATUS: 52 case SCTP_GET_PEER_ADDR_INFO: 53 case SCTP_AUTH_ACTIVE_KEY: 54 case SCTP_PEER_AUTH_CHUNKS: 55 case SCTP_LOCAL_AUTH_CHUNKS: 56 *(sctp_assoc_t *)arg = id; 57 return getsockopt(sd, IPPROTO_SCTP, opt, arg, size); 58 default: 59 return ENOTSUP; 60 } 61 62 } /* sctp_opt_info() */ 63
