Remove set_powered() calls based on IFF_UP
[framework/connectivity/connman.git] / plugins / wifi.c
1 /*
2  *
3  *  Connection Manager
4  *
5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License version 2 as
9  *  published by the Free Software Foundation.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19  *
20  */
21
22 #ifdef HAVE_CONFIG_H
23 #include <config.h>
24 #endif
25
26 #include <errno.h>
27 #include <net/if.h>
28
29 #ifndef IFF_LOWER_UP
30 #define IFF_LOWER_UP    0x10000
31 #endif
32
33 #include <dbus/dbus.h>
34 #include <glib.h>
35
36 #define CONNMAN_API_SUBJECT_TO_CHANGE
37 #include <connman/plugin.h>
38 #include <connman/device.h>
39 #include <connman/rtnl.h>
40 #include <connman/log.h>
41
42 #include "supplicant.h"
43
44 #define CLEANUP_TIMEOUT   8     /* in seconds */
45 #define INACTIVE_TIMEOUT  12    /* in seconds */
46
47 struct wifi_data {
48         char *identifier;
49         connman_bool_t connected;
50         int index;
51         unsigned flags;
52         unsigned int watch;
53 };
54
55 static int network_probe(struct connman_network *network)
56 {
57         DBG("network %p", network);
58
59         return 0;
60 }
61
62 static void network_remove(struct connman_network *network)
63 {
64         DBG("network %p", network);
65 }
66
67 static int network_connect(struct connman_network *network)
68 {
69         DBG("network %p", network);
70
71         return supplicant_connect(network);
72 }
73
74 static int network_disconnect(struct connman_network *network)
75 {
76         DBG("network %p", network);
77
78         return supplicant_disconnect(network);
79 }
80
81 static struct connman_network_driver network_driver = {
82         .name           = "wifi",
83         .type           = CONNMAN_NETWORK_TYPE_WIFI,
84         .probe          = network_probe,
85         .remove         = network_remove,
86         .connect        = network_connect,
87         .disconnect     = network_disconnect,
88 };
89
90 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
91 {
92         struct connman_device *device = user_data;
93         struct wifi_data *wifi = connman_device_get_data(device);
94
95         DBG("index %d flags %d change %d", wifi->index, flags, change);
96
97         if (!change)
98                 return;
99
100         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
101                 if (flags & IFF_UP) {
102                         DBG("interface up");
103                 } else {
104                         DBG("interface down");
105                 }
106         }
107
108         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
109                 if (flags & IFF_LOWER_UP) {
110                         DBG("carrier on");
111                 } else {
112                         DBG("carrier off");
113                 }
114         }
115
116         wifi->flags = flags;
117 }
118
119 static int wifi_probe(struct connman_device *device)
120 {
121         struct wifi_data *wifi;
122
123         DBG("device %p", device);
124
125         wifi = g_try_new0(struct wifi_data, 1);
126         if (wifi == NULL)
127                 return -ENOMEM;
128
129         wifi->connected = FALSE;
130
131         connman_device_set_data(device, wifi);
132
133         wifi->index = connman_device_get_index(device);
134         wifi->flags = 0;
135
136         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
137                                                         wifi_newlink, device);
138
139         return 0;
140 }
141
142 static void wifi_remove(struct connman_device *device)
143 {
144         struct wifi_data *wifi = connman_device_get_data(device);
145
146         DBG("device %p", device);
147
148         connman_device_set_data(device, NULL);
149
150         connman_rtnl_remove_watch(wifi->watch);
151
152         g_free(wifi->identifier);
153         g_free(wifi);
154 }
155
156 static int wifi_enable(struct connman_device *device)
157 {
158         DBG("device %p", device);
159
160         return supplicant_start(device);
161 }
162
163 static int wifi_disable(struct connman_device *device)
164 {
165         struct wifi_data *wifi = connman_device_get_data(device);
166
167         DBG("device %p", device);
168
169         wifi->connected = FALSE;
170
171         return supplicant_stop(device);
172 }
173
174 static int wifi_scan(struct connman_device *device)
175 {
176         DBG("device %p", device);
177
178         return supplicant_scan(device);
179 }
180
181 static struct connman_device_driver wifi_driver = {
182         .name           = "wifi",
183         .type           = CONNMAN_DEVICE_TYPE_WIFI,
184         .probe          = wifi_probe,
185         .remove         = wifi_remove,
186         .enable         = wifi_enable,
187         .disable        = wifi_disable,
188         .scan           = wifi_scan,
189 };
190
191 static void wifi_register(void)
192 {
193         DBG("");
194
195         if (connman_device_driver_register(&wifi_driver) < 0)
196                 connman_error("Failed to register WiFi driver");
197 }
198
199 static void wifi_unregister(void)
200 {
201         DBG("");
202
203         connman_device_driver_unregister(&wifi_driver);
204 }
205
206 static struct supplicant_driver supplicant = {
207         .name           = "wifi",
208         .probe          = wifi_register,
209         .remove         = wifi_unregister,
210 };
211
212 static int wifi_init(void)
213 {
214         int err;
215
216         err = connman_network_driver_register(&network_driver);
217         if (err < 0)
218                 return err;
219
220         err = supplicant_register(&supplicant);
221         if (err < 0) {
222                 connman_network_driver_unregister(&network_driver);
223                 return err;
224         }
225
226         return 0;
227 }
228
229 static void wifi_exit(void)
230 {
231         supplicant_unregister(&supplicant);
232
233         connman_network_driver_unregister(&network_driver);
234 }
235
236 CONNMAN_PLUGIN_DEFINE(wifi, "WiFi interface plugin", VERSION,
237                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)