plugins/wifi-legacy.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         .priority       = CONNMAN_NETWORK_PRIORITY_HIGH,
  85         .probe          = network_probe,
  86         .remove         = network_remove,
  87         .connect        = network_connect,
  88         .disconnect     = network_disconnect,
  89 };
  90
  91 static void wifi_newlink(unsigned flags, unsigned change, void *user_data)
  92 {
  93         struct connman_device *device = user_data;
  94         struct wifi_data *wifi = connman_device_get_data(device);
  95
  96         DBG("index %d flags %d change %d", wifi->index, flags, change);
  97
  98         if (!change)
  99                 return;
 100
 101         if ((wifi->flags & IFF_UP) != (flags & IFF_UP)) {
 102                 if (flags & IFF_UP) {
 103                         DBG("interface up");
 104                 } else {
 105                         DBG("interface down");
 106                 }
 107         }
 108
 109         if ((wifi->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
 110                 if (flags & IFF_LOWER_UP) {
 111                         DBG("carrier on");
 112                 } else {
 113                         DBG("carrier off");
 114                 }
 115         }
 116
 117         wifi->flags = flags;
 118 }
 119
 120 static int wifi_probe(struct connman_device *device)
 121 {
 122         struct wifi_data *wifi;
 123
 124         DBG("device %p", device);
 125
 126         wifi = g_try_new0(struct wifi_data, 1);
 127         if (wifi == NULL)
 128                 return -ENOMEM;
 129
 130         wifi->connected = FALSE;
 131
 132         connman_device_set_data(device, wifi);
 133
 134         wifi->index = connman_device_get_index(device);
 135         wifi->flags = 0;
 136
 137         wifi->watch = connman_rtnl_add_newlink_watch(wifi->index,
 138                                                         wifi_newlink, device);
 139
 140         return 0;
 141 }
 142
 143 static void wifi_remove(struct connman_device *device)
 144 {
 145         struct wifi_data *wifi = connman_device_get_data(device);
 146
 147         DBG("device %p", device);
 148
 149         connman_device_set_data(device, NULL);
 150
 151         connman_rtnl_remove_watch(wifi->watch);
 152
 153         g_free(wifi->identifier);
 154         g_free(wifi);
 155 }
 156
 157 static int wifi_enable(struct connman_device *device)
 158 {
 159         DBG("device %p", device);
 160
 161         return supplicant_start(device);
 162 }
 163
 164 static int wifi_disable(struct connman_device *device)
 165 {
 166         struct wifi_data *wifi = connman_device_get_data(device);
 167
 168         DBG("device %p", device);
 169
 170         wifi->connected = FALSE;
 171
 172         return supplicant_stop(device);
 173 }
 174
 175 static int wifi_scan(struct connman_device *device)
 176 {
 177         DBG("device %p", device);
 178
 179         return supplicant_scan(device);
 180 }
 181
 182 static struct connman_device_driver wifi_driver = {
 183         .name           = "wifi",
 184         .type           = CONNMAN_DEVICE_TYPE_WIFI,
 185         .priority       = CONNMAN_DEVICE_PRIORITY_HIGH,
 186         .probe          = wifi_probe,
 187         .remove         = wifi_remove,
 188         .enable         = wifi_enable,
 189         .disable        = wifi_disable,
 190         .scan           = wifi_scan,
 191 };
 192
 193 static void wifi_register(void)
 194 {
 195         DBG("");
 196
 197         if (connman_device_driver_register(&wifi_driver) < 0)
 198                 connman_error("Failed to register WiFi driver");
 199 }
 200
 201 static void wifi_unregister(void)
 202 {
 203         DBG("");
 204
 205         connman_device_driver_unregister(&wifi_driver);
 206 }
 207
 208 static struct supplicant_driver supplicant = {
 209         .name           = "wifi",
 210         .probe          = wifi_register,
 211         .remove         = wifi_unregister,
 212 };
 213
 214 static int wifi_init(void)
 215 {
 216         int err;
 217
 218         err = connman_network_driver_register(&network_driver);
 219         if (err < 0)
 220                 return err;
 221
 222         err = supplicant_register(&supplicant);
 223         if (err < 0) {
 224                 connman_network_driver_unregister(&network_driver);
 225                 return err;
 226         }
 227
 228         return 0;
 229 }
 230
 231 static void wifi_exit(void)
 232 {
 233         supplicant_unregister(&supplicant);
 234
 235         connman_network_driver_unregister(&network_driver);
 236 }
 237
 238 CONNMAN_PLUGIN_DEFINE(wifi_legacy, "WiFi interface plugin", VERSION,
 239                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, wifi_init, wifi_exit)