/* $NetBSD: kern_uipc_socket_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */

/* $NetBSD: kern_uipc_socket_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */

/*
* Copyright (c) 2002, 2007, 2008, 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of Wasabi Systems, Inc, and by Andrew Doran.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

/*
* Copyright (c) 2004 The FreeBSD Foundation
* Copyright (c) 2004 Robert Watson
* Copyright (c) 1982, 1986, 1988, 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.
* 3. 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.
*
* @(#)uipc_socket.c 8.6 (Berkeley) 5/2/95
*/

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
* 3. 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.
*
* from: Utah $Hdr: vn.c 1.13 94/04/02$
*
* @(#)vn.c 8.9 (Berkeley) 5/14/95
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_uipc_socket_50.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $");

#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
#endif

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/compat_stub.h>
#include <sys/socketvar.h>

#include <compat/sys/time.h>
#include <compat/sys/socket.h>

#include <compat/common/compat_mod.h>

static int
uipc_socket_50_getopt1(int opt, struct socket *so, struct sockopt *sopt)
{
int optval, error;
struct timeval50 otv;

switch (opt) {

case SO_OSNDTIMEO:
case SO_ORCVTIMEO:
optval = (opt == SO_OSNDTIMEO ?
so->so_snd.sb_timeo : so->so_rcv.sb_timeo);

otv.tv_sec = optval / hz;
otv.tv_usec = (optval % hz) * tick;

error = sockopt_set(sopt, &otv, sizeof(otv));
break;

case SO_OTIMESTAMP:
error = sockopt_setint(sopt, (so->so_options & opt) ? 1 : 0);
break;

default:
error = EPASSTHROUGH;
}
return error;
}

static int
uipc_socket_50_setopt1(int opt, struct socket *so, const struct sockopt *sopt)
{
int optval, error;
struct timeval50 otv;
struct timeval tv;

switch (opt) {

case SO_OSNDTIMEO:
case SO_ORCVTIMEO:
solock(so);

error = sockopt_get(sopt, &otv, sizeof(otv));
if (error)
break;

timeval50_to_timeval(&otv, &tv);

/* Code duplicated from sys/kern/uipc_socket.c */
if (tv.tv_sec < 0 || tv.tv_usec < 0 || tv.tv_usec >= 1000000) {
error = EDOM;
break;
}
if (tv.tv_sec > (INT_MAX - tv.tv_usec / tick) / hz) {
error = EDOM;
break;
}

optval = tv.tv_sec * hz + tv.tv_usec / tick;
if (optval == 0 && tv.tv_usec != 0)
optval = 1;

switch (opt) {
case SO_OSNDTIMEO:
so->so_snd.sb_timeo = optval;
break;
case SO_ORCVTIMEO:
so->so_rcv.sb_timeo = optval;
break;
}
break;

case SO_OTIMESTAMP:
error = sockopt_getint(sopt, &optval);
solock(so);
if (error)
break;
if (optval)
so->so_options |= opt;
else
so->so_options &= ~opt;
break;

default:
error = EPASSTHROUGH;
}
return error;
}

static int
uipc_socket_50_sbts(int opt, struct mbuf ***mp)
{
struct timeval50 tv50;
struct timeval tv;

microtime(&tv);

if (opt & SO_OTIMESTAMP) {

timeval_to_timeval50(&tv, &tv50);
**mp = sbcreatecontrol(&tv50, sizeof(tv50), SCM_OTIMESTAMP,
SOL_SOCKET);
if (**mp)
*mp = &(**mp)->m_next;
return 0;
} else
return EPASSTHROUGH;
}

void
kern_uipc_socket_50_init(void)
{

MODULE_HOOK_SET(uipc_socket_50_setopt1_hook, uipc_socket_50_setopt1);
MODULE_HOOK_SET(uipc_socket_50_getopt1_hook, uipc_socket_50_getopt1);
MODULE_HOOK_SET(uipc_socket_50_sbts_hook, uipc_socket_50_sbts);
}

void
kern_uipc_socket_50_fini(void)
{

MODULE_HOOK_UNSET(uipc_socket_50_setopt1_hook);
MODULE_HOOK_UNSET(uipc_socket_50_getopt1_hook);
MODULE_HOOK_UNSET(uipc_socket_50_sbts_hook);
}