1/*	$NetBSD: uipc_syscalls_50.c,v 1.2 2009/01/11 02:45:47 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include <sys/cdefs.h>
40__KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_50.c,v 1.2 2009/01/11 02:45:47 christos Exp $");
41
42#include <sys/param.h>
43#include <sys/kernel.h>
44#include <sys/msg.h>
45#include <sys/sysctl.h>
46#include <sys/syscallargs.h>
47#include <sys/errno.h>
48#include <sys/kauth.h>
49#include <sys/proc.h>
50#include <sys/time.h>
51
52#include <net/if.h>
53
54#include <compat/sys/time.h>
55#include <compat/sys/socket.h>
56#include <compat/sys/sockio.h>
57
58#ifdef COMPAT_OIFDATA
59/*ARGSUSED*/
60int
61compat_ifdatareq(struct lwp *l, u_long cmd, void *data)
62{
63	struct oifdatareq *ifdr = data;
64	struct ifnet *ifp;
65	int error;
66
67	ifp = ifunit(ifdr->ifdr_name);
68	if (ifp == NULL)
69		return ENXIO;
70
71	switch (cmd) {
72	case SIOCGIFDATA:
73		ifdatan2o(&ifdr->ifdr_data, &ifp->if_data);
74		return 0;
75
76	case SIOCZIFDATA:
77		if (l != NULL) {
78			error = kauth_authorize_network(l->l_cred,
79			    KAUTH_NETWORK_INTERFACE,
80			    KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp,
81			    (void *)cmd, NULL);
82			if (error != 0)
83				return error;
84		}
85		ifdatan2o(&ifdr->ifdr_data, &ifp->if_data);
86		/*
87		 * Assumes that the volatile counters that can be
88		 * zero'ed are at the end of if_data.
89		 */
90		memset(&ifp->if_data.ifi_ipackets, 0, sizeof(ifp->if_data) -
91		    offsetof(struct if_data, ifi_ipackets));
92		return 0;
93
94	default:
95		return EINVAL;
96	}
97}
98#endif
99