1/* $NetBSD: ieee80211_20.c,v 1.5 2019/03/01 11:06:56 pgoyette Exp $ */
2/*-
3 * Copyright (c) 2001 Atsushi Onoe
4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * Alternatively, this software may be distributed under the terms of the
19 * GNU General Public License ("GPL") version 2 as published by the Free
20 * Software Foundation.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35#ifdef __FreeBSD__
36__FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.35 2005/08/30 14:27:47 avatar Exp $");
37#endif
38#ifdef __NetBSD__
39__KERNEL_RCSID(0, "$NetBSD: ieee80211_20.c,v 1.5 2019/03/01 11:06:56 pgoyette Exp $");
40#endif
41
42/*
43 * IEEE 802.11 ioctl support
44 */
45
46#ifdef _KERNEL_OPT
47#include "opt_inet.h"
48#include "opt_compat_netbsd.h"
49#endif
50
51#include <sys/endian.h>
52#include <sys/param.h>
53#include <sys/kernel.h>
54#include <sys/socket.h>
55#include <sys/sockio.h>
56#include <sys/systm.h>
57#include <sys/proc.h>
58#include <sys/kauth.h>
59#include <sys/compat_stub.h>
60
61#include <net/if.h>
62#include <net/if_arp.h>
63#include <net/if_media.h>
64#include <net/if_ether.h>
65
66#include <net80211/ieee80211_var.h>
67#include <net80211/ieee80211_ioctl.h>
68
69#include <dev/ic/wi_ieee.h>
70
71#include <compat/common/compat_mod.h>
72
73#include <compat/sys/sockio.h>
74
75static void
76ieee80211_get_ostats(struct ieee80211_ostats *ostats,
77 struct ieee80211_stats *stats)
78{
79#define COPYSTATS1(__ostats, __nstats, __dstmemb, __srcmemb, __lastmemb)\
80 (void)memcpy(&(__ostats)->__dstmemb, &(__nstats)->__srcmemb, \
81 offsetof(struct ieee80211_stats, __lastmemb) - \
82 offsetof(struct ieee80211_stats, __srcmemb))
83#define COPYSTATS(__ostats, __nstats, __dstmemb, __lastmemb) \
84 COPYSTATS1(__ostats, __nstats, __dstmemb, __dstmemb, __lastmemb)
85
86 COPYSTATS(ostats, stats, is_rx_badversion, is_rx_unencrypted);
87 COPYSTATS(ostats, stats, is_rx_wepfail, is_rx_beacon);
88 COPYSTATS(ostats, stats, is_rx_rstoobig, is_rx_auth_countermeasures);
89 COPYSTATS(ostats, stats, is_rx_assoc_bss, is_rx_assoc_badwpaie);
90 COPYSTATS(ostats, stats, is_rx_deauth, is_rx_unauth);
91 COPYSTATS1(ostats, stats, is_tx_nombuf, is_tx_nobuf, is_tx_badcipher);
92 COPYSTATS(ostats, stats, is_scan_active, is_crypto_tkip);
93}
94
95static int
96ieee80211_20_ioctl(struct ieee80211com *ic, u_long cmd, void *data)
97{
98 struct ieee80211_ostats ostats;
99 struct ifreq *ifr;
100 int s, error;
101
102 switch (cmd) {
103 case OSIOCG80211STATS:
104 case OSIOCG80211ZSTATS:
105 s = splnet();
106 ifr = (struct ifreq *)data;
107 ieee80211_get_ostats(&ostats, &ic->ic_stats);
108 error = copyout(&ostats, ifr->ifr_data, sizeof(ostats));
109 if (error == 0 && cmd == OSIOCG80211ZSTATS)
110 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats));
111 splx(s);
112 return error;
113 default:
114 return EPASSTHROUGH;
115 }
116}
117
118void
119ieee80211_20_init(void)
120{
121
122 MODULE_HOOK_SET(ieee80211_ioctl_20_hook, "ieee20", ieee80211_20_ioctl);
123}
124
125void
126ieee80211_20_fini(void)
127{
128
129 MODULE_HOOK_UNSET(ieee80211_ioctl_20_hook);
130}
131