5 * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
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.
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.
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
30 #define IFF_LOWER_UP 0x10000
35 #define CONNMAN_API_SUBJECT_TO_CHANGE
36 #include <connman/technology.h>
37 #include <connman/plugin.h>
38 #include <connman/device.h>
39 #include <connman/rtnl.h>
40 #include <connman/inet.h>
41 #include <connman/log.h>
43 static bool gadget_tethering = false;
49 struct connman_network *network;
52 static int gadget_network_probe(struct connman_network *network)
54 DBG("network %p", network);
59 static void gadget_network_remove(struct connman_network *network)
61 DBG("network %p", network);
64 static int gadget_network_connect(struct connman_network *network)
66 DBG("network %p", network);
68 connman_network_set_connected(network, true);
73 static int gadget_network_disconnect(struct connman_network *network)
75 DBG("network %p", network);
77 connman_network_set_connected(network, false);
82 static struct connman_network_driver gadget_network_driver = {
84 .type = CONNMAN_NETWORK_TYPE_GADGET,
85 .probe = gadget_network_probe,
86 .remove = gadget_network_remove,
87 .connect = gadget_network_connect,
88 .disconnect = gadget_network_disconnect,
91 static void add_network(struct connman_device *device,
92 struct gadget_data *gadget)
94 struct connman_network *network;
97 network = connman_network_create("gadget",
98 CONNMAN_NETWORK_TYPE_GADGET);
102 index = connman_device_get_index(device);
103 connman_network_set_index(network, index);
105 connman_network_set_name(network, "Wired");
107 if (connman_device_add_network(device, network) < 0) {
108 connman_network_unref(network);
112 if (!gadget_tethering)
114 * Prevent service from starting the reconnect
115 * procedure as we do not want the DHCP client
116 * to run when tethering.
118 connman_network_set_group(network, "usb");
120 gadget->network = network;
123 static void remove_network(struct connman_device *device,
124 struct gadget_data *gadget)
126 if (!gadget->network)
129 connman_device_remove_network(device, gadget->network);
130 connman_network_unref(gadget->network);
132 gadget->network = NULL;
135 static void gadget_newlink(unsigned flags, unsigned change, void *user_data)
137 struct connman_device *device = user_data;
138 struct gadget_data *gadget = connman_device_get_data(device);
140 DBG("index %d flags %d change %d", gadget->index, flags, change);
142 if ((gadget->flags & IFF_UP) != (flags & IFF_UP)) {
143 if (flags & IFF_UP) {
145 connman_device_set_powered(device, true);
148 connman_device_set_powered(device, false);
152 if ((gadget->flags & IFF_LOWER_UP) != (flags & IFF_LOWER_UP)) {
153 if (flags & IFF_LOWER_UP) {
155 add_network(device, gadget);
158 remove_network(device, gadget);
162 gadget->flags = flags;
165 static int gadget_dev_probe(struct connman_device *device)
167 struct gadget_data *gadget;
169 DBG("device %p", device);
171 gadget = g_try_new0(struct gadget_data, 1);
175 connman_device_set_data(device, gadget);
177 gadget->index = connman_device_get_index(device);
180 gadget->watch = connman_rtnl_add_newlink_watch(gadget->index,
181 gadget_newlink, device);
186 static void gadget_dev_remove(struct connman_device *device)
188 struct gadget_data *gadget = connman_device_get_data(device);
190 DBG("device %p", device);
192 connman_device_set_data(device, NULL);
194 connman_rtnl_remove_watch(gadget->watch);
196 remove_network(device, gadget);
201 static int gadget_dev_enable(struct connman_device *device)
203 struct gadget_data *gadget = connman_device_get_data(device);
205 DBG("device %p", device);
207 return connman_inet_ifup(gadget->index);
210 static int gadget_dev_disable(struct connman_device *device)
212 struct gadget_data *gadget = connman_device_get_data(device);
214 DBG("device %p", device);
216 return connman_inet_ifdown(gadget->index);
219 static struct connman_device_driver gadget_dev_driver = {
221 .type = CONNMAN_DEVICE_TYPE_GADGET,
222 .probe = gadget_dev_probe,
223 .remove = gadget_dev_remove,
224 .enable = gadget_dev_enable,
225 .disable = gadget_dev_disable,
228 static GList *cdc_interface_list = NULL;
230 static void gadget_tech_add_interface(struct connman_technology *technology,
231 int index, const char *name, const char *ident)
233 DBG("index %d name %s ident %s", index, name, ident);
235 if (g_list_find(cdc_interface_list, GINT_TO_POINTER((int)index)))
238 cdc_interface_list = g_list_prepend(cdc_interface_list,
239 (GINT_TO_POINTER((int) index)));
242 static void gadget_tech_remove_interface(struct connman_technology *technology,
245 DBG("index %d", index);
247 cdc_interface_list = g_list_remove(cdc_interface_list,
248 GINT_TO_POINTER((int) index));
251 static void gadget_tech_enable_tethering(struct connman_technology *technology,
256 for (list = cdc_interface_list; list; list = list->next) {
257 int index = GPOINTER_TO_INT(list->data);
258 struct connman_device *device =
259 connman_device_find_by_index(index);
260 struct gadget_data *gadget;
263 gadget = connman_device_get_data(device);
265 remove_network(device, gadget);
268 connman_technology_tethering_notify(technology, true);
270 connman_inet_ifup(index);
272 connman_inet_add_to_bridge(index, bridge);
274 gadget_tethering = true;
278 static void gadget_tech_disable_tethering(struct connman_technology *technology,
283 for (list = cdc_interface_list; list; list = list->next) {
284 int index = GPOINTER_TO_INT(list->data);
286 connman_inet_remove_from_bridge(index, bridge);
288 connman_inet_ifdown(index);
290 connman_technology_tethering_notify(technology, false);
292 gadget_tethering = false;
296 static int gadget_tech_set_tethering(struct connman_technology *technology,
297 const char *identifier, const char *passphrase,
298 const char *bridge, bool enabled)
300 DBG("bridge %s enabled %d", bridge, enabled);
303 gadget_tech_enable_tethering(technology, bridge);
305 gadget_tech_disable_tethering(technology, bridge);
310 static int gadget_tech_probe(struct connman_technology *technology)
315 static void gadget_tech_remove(struct connman_technology *technology)
317 g_list_free(cdc_interface_list);
319 cdc_interface_list = NULL;
322 static struct connman_technology_driver gadget_tech_driver = {
323 .name = "cdc_ethernet",
324 .type = CONNMAN_SERVICE_TYPE_GADGET,
325 .probe = gadget_tech_probe,
326 .remove = gadget_tech_remove,
327 .add_interface = gadget_tech_add_interface,
328 .remove_interface = gadget_tech_remove_interface,
329 .set_tethering = gadget_tech_set_tethering,
332 static int gadget_init(void)
336 err = connman_technology_driver_register(&gadget_tech_driver);
341 err = connman_network_driver_register(&gadget_network_driver);
345 err = connman_device_driver_register(&gadget_dev_driver);
347 connman_technology_driver_unregister(&gadget_tech_driver);
354 static void gadget_exit(void)
356 connman_technology_driver_unregister(&gadget_tech_driver);
357 connman_network_driver_unregister(&gadget_network_driver);
358 connman_device_driver_unregister(&gadget_dev_driver);
361 CONNMAN_PLUGIN_DEFINE(gadget, "Gadget interface plugin", VERSION,
362 CONNMAN_PLUGIN_PRIORITY_DEFAULT, gadget_init, gadget_exit)