1 /*- 2 * Copyright (c) 1982, 1986, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)socketvar.h 8.3 (Berkeley) 2/19/95 30 * 31 * $FreeBSD$ 32 */ 33 #ifndef _SYS_SOCKOPT_H_ 34 #define _SYS_SOCKOPT_H_ 35 36 #ifndef _KERNEL 37 #error "no user-servicable parts inside" 38 #endif 39 40 41 struct thread; 42 struct socket; 43 44 /* 45 * Argument structure for sosetopt et seq. This is in the KERNEL 46 * section because it will never be visible to user code. 47 */ 48 enum sopt_dir { SOPT_GET, SOPT_SET }; 49 50 struct sockopt { 51 enum sopt_dir sopt_dir; /* is this a get or a set? */ 52 int sopt_level; /* second arg of [gs]etsockopt */ 53 int sopt_name; /* third arg of [gs]etsockopt */ 54 void *sopt_val; /* fourth arg of [gs]etsockopt */ 55 size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */ 56 struct thread *sopt_td; /* calling thread or null if kernel */ 57 }; 58 59 int sosetopt(struct socket *so, struct sockopt *sopt); 60 int sogetopt(struct socket *so, struct sockopt *sopt); 61 int sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen); 62 int sooptcopyout(struct sockopt *sopt, const void *buf, size_t len); 63 /* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */ 64 int soopt_getm(struct sockopt *sopt, struct mbuf **mp); 65 int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m); 66 int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m); 67 int do_getopt_accept_filter(struct socket *so, struct sockopt *sopt); 68 int do_setopt_accept_filter(struct socket *so, struct sockopt *sopt); 69 int so_setsockopt(struct socket *so, int level, int optname, 70 void *optval, size_t optlen); 71 72 #endif /* _SYS_SOCKOPT_H_ */ 73