/*-
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)socketvar.h 8.3 (Berkeley) 2/19/95
*
* $FreeBSD$
*/
#ifndef _SYS_SOCKOPT_H_
#define _SYS_SOCKOPT_H_
#ifndef _KERNEL
#error "no user-servicable parts inside"
#endif
struct thread;
struct socket;
/*
* Argument structure for sosetopt et seq. This is in the KERNEL
* section because it will never be visible to user code.
*/
enum sopt_dir { SOPT_GET, SOPT_SET };
struct sockopt {
enum sopt_dir sopt_dir; /* is this a get or a set? */
int sopt_level; /* second arg of [gs]etsockopt */
int sopt_name; /* third arg of [gs]etsockopt */
void *sopt_val; /* fourth arg of [gs]etsockopt */
size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */
struct thread *sopt_td; /* calling thread or null if kernel */
};
int sosetopt(struct socket *so, struct sockopt *sopt);
int sogetopt(struct socket *so, struct sockopt *sopt);
int sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen);
int sooptcopyout(struct sockopt *sopt, const void *buf, size_t len);
/* XXX; prepare mbuf for (__FreeBSD__ < 3) routines. */
int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
int do_getopt_accept_filter(struct socket *so, struct sockopt *sopt);
int do_setopt_accept_filter(struct socket *so, struct sockopt *sopt);
int so_setsockopt(struct socket *so, int level, int optname,
void *optval, size_t optlen);
#endif /* _SYS_SOCKOPT_H_ */
