summaryrefslogtreecommitdiffstats
path: root/net/mac80211/wext.c
blob: 5acb8140ee5813920cc0ab8e36f20b3a1d2dd558 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/*
 * Copyright 2002-2005, Instant802 Networks, Inc.
 * Copyright 2005-2006, Devicescape Software, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <asm/uaccess.h>

#include <net/mac80211.h>
#include "ieee80211_i.h"
#include "led.h"
#include "rate.h"
#include "wpa.h"
#include "aes_ccm.h"


static int ieee80211_ioctl_siwfreq(struct net_device *dev,
				   struct iw_request_info *info,
				   struct iw_freq *freq, char *extra)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
	struct ieee80211_local *local = sdata->local;
	struct ieee80211_channel *chan;

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);

	/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
	if (freq->e == 0) {
		if (freq->m < 0)
			return -EINVAL;
		else
			chan = ieee80211_get_channel(local->hw.wiphy,
				ieee80211_channel_to_frequency(freq->m));
	} else {
		int i, div = 1000000;
		for (i = 0; i < freq->e; i++)
			div /= 10;
		if (div <= 0)
			return -EINVAL;
		chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
	}

	if (!chan)
		return -EINVAL;

	if (chan->flags & IEEE80211_CHAN_DISABLED)
		return -EINVAL;

	/*
	 * no change except maybe auto -> fixed, ignore the HT
	 * setting so you can fix a channel you're on already
	 */
	if (local->oper_channel == chan)
		return 0;

	local->oper_channel = chan;
	local->oper_channel_type = NL80211_CHAN_NO_HT;
	ieee80211_hw_config(local, 0);

	return 0;
}


static int ieee80211_ioctl_giwfreq(struct net_device *dev,
				   struct iw_request_info *info,
				   struct iw_freq *freq, char *extra)
{
	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);

	freq->m = local->oper_channel->center_freq;
	freq->e = 6;

	return 0;
}


static int ieee80211_ioctl_siwessid(struct net_device *dev,
				    struct iw_request_info *info,
				    struct iw_point *data, char *ssid)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);

	return -EOPNOTSUPP;
}


static int ieee80211_ioctl_giwessid(struct net_device *dev,
				    struct iw_request_info *info,
				    struct iw_point *data, char *ssid)
{
	struct ieee80211_sub_if_data *sdata;

	sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);

	return -EOPNOTSUPP;
}


static int ieee80211_ioctl_siwap(struct net_device *dev,
				 struct iw_request_info *info,
				 struct sockaddr *ap_addr, char *extra)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);

	if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);

	if (sdata->vif.type == NL80211_IFTYPE_WDS)
		return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
	return -EOPNOTSUPP;
}


static int ieee80211_ioctl_giwap(struct net_device *dev,
				 struct iw_request_info *info,
				 struct sockaddr *ap_addr, char *extra)
{
	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);

	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
		return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);

	if (sdata->vif.type == NL80211_IFTYPE_STATION)
		return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);

	if (sdata->vif.type == NL80211_IFTYPE_WDS)
		return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);

	return -EOPNOTSUPP;
}


/* Structures to export the Wireless Handlers */

static const iw_handler ieee80211_handler[] =
{
	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
	(iw_handler) cfg80211_wext_giwname,		/* SIOCGIWNAME */
	(iw_handler) NULL,				/* SIOCSIWNWID */
	(iw_handler) NULL,				/* SIOCGIWNWID */
	(iw_handler) ieee80211_ioctl_siwfreq,		/* SIOCSIWFREQ */
	(iw_handler) ieee80211_ioctl_giwfreq,		/* SIOCGIWFREQ */
	(iw_handler) cfg80211_wext_siwmode,		/* SIOCSIWMODE */
	(iw_handler) cfg80211_wext_giwmode,		/* SIOCGIWMODE */
	(iw_handler) NULL,				/* SIOCSIWSENS */
	(iw_handler) NULL,				/* SIOCGIWSENS */
	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
	(iw_handler) cfg80211_wext_giwrange,		/* SIOCGIWRANGE */
	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
	(iw_handler) NULL,				/* SIOCSIWSPY */
	(iw_handler) NULL,				/* SIOCGIWSPY */
	(iw_handler) NULL,				/* SIOCSIWTHRSPY */
	(iw_handler) NULL,				/* SIOCGIWTHRSPY */
	(iw_handler) ieee80211_ioctl_siwap,		/* SIOCSIWAP */
	(iw_handler) ieee80211_ioctl_giwap,		/* SIOCGIWAP */
	(iw_handler) cfg80211_wext_siwmlme,		/* SIOCSIWMLME */
	(iw_handler) NULL,				/* SIOCGIWAPLIST */
	(iw_handler) cfg80211_wext_siwscan,		/* SIOCSIWSCAN */
	(iw_handler) cfg80211_wext_giwscan,		/* SIOCGIWSCAN */
	(iw_handler) ieee80211_ioctl_siwessid,		/* SIOCSIWESSID */
	(iw_handler) ieee80211_ioctl_giwessid,		/* SIOCGIWESSID */
	(iw_handler) NULL,				/* SIOCSIWNICKN */
	(iw_handler) NULL,				/* SIOCGIWNICKN */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) cfg80211_wext_siwrate,		/* SIOCSIWRATE */
	(iw_handler) cfg80211_wext_giwrate,		/* SIOCGIWRATE */
	(iw_handler) cfg80211_wext_siwrts,		/* SIOCSIWRTS */
	(iw_handler) cfg80211_wext_giwrts,		/* SIOCGIWRTS */
	(iw_handler) cfg80211_wext_siwfrag,		/* SIOCSIWFRAG */
	(iw_handler) cfg80211_wext_giwfrag,		/* SIOCGIWFRAG */
	(iw_handler) cfg80211_wext_siwtxpower,		/* SIOCSIWTXPOW */
	(iw_handler) cfg80211_wext_giwtxpower,		/* SIOCGIWTXPOW */
	(iw_handler) cfg80211_wext_siwretry,		/* SIOCSIWRETRY */
	(iw_handler) cfg80211_wext_giwretry,		/* SIOCGIWRETRY */
	(iw_handler) cfg80211_wext_siwencode,		/* SIOCSIWENCODE */
	(iw_handler) cfg80211_wext_giwencode,		/* SIOCGIWENCODE */
	(iw_handler) cfg80211_wext_siwpower,		/* SIOCSIWPOWER */
	(iw_handler) cfg80211_wext_giwpower,		/* SIOCGIWPOWER */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) NULL,				/* -- hole -- */
	(iw_handler) cfg80211_wext_siwgenie,		/* SIOCSIWGENIE */
	(iw_handler) NULL,				/* SIOCGIWGENIE */
	(iw_handler) cfg80211_wext_siwauth,		/* SIOCSIWAUTH */
	(iw_handler) cfg80211_wext_giwauth,		/* SIOCGIWAUTH */
	(iw_handler) cfg80211_wext_siwencodeext,	/* SIOCSIWENCODEEXT */
	(iw_handler) NULL,				/* SIOCGIWENCODEEXT */
	(iw_handler) NULL,				/* SIOCSIWPMKSA */
	(iw_handler) NULL,				/* -- hole -- */
};

const struct iw_handler_def ieee80211_iw_handler_def =
{
	.num_standard	= ARRAY_SIZE(ieee80211_handler),
	.standard	= (iw_handler *) ieee80211_handler,
	.get_wireless_stats = cfg80211_wireless_stats,
};
OpenPOWER on IntegriCloud