11 static LIST_HEAD(interfaces);
14 clear_interface_errors(struct interface *iface)
16 struct interface_error *error, *tmp;
18 list_for_each_entry_safe(error, tmp, &iface->errors, list) {
19 list_del(&error->list);
24 void interface_add_error(struct interface *iface, const char *subsystem,
25 const char *code, const char **data, int n_data)
27 struct interface_error *error;
33 len = n_data * sizeof(char *);
34 datalen = alloca(len);
35 for (i = 0; i < n_data; i++) {
36 datalen[i] = strlen(data[i]) + 1;
41 error = calloc(1, sizeof(*error) + sizeof(char *) + len);
45 list_add_tail(&error->list, &iface->errors);
46 error->subsystem = subsystem;
49 dest = (char *) &error->data[n_data + 1];
50 for (i = 0; i < n_data; i++) {
51 error->data[i] = dest;
52 memcpy(dest, data[i], datalen[i]);
55 error->data[n_data] = NULL;
59 interface_event(struct interface *iface, enum interface_event ev)
65 mark_interface_down(struct interface *iface)
67 interface_del_ctx_addr(iface, NULL);
68 release_device(iface->main_dev.dev);
69 iface->state = IFS_DOWN;
73 __set_interface_up(struct interface *iface)
77 if (iface->state != IFS_DOWN)
80 ret = claim_device(iface->main_dev.dev);
84 iface->state = IFS_SETUP;
85 ret = interface_proto_event(iface->proto, PROTO_CMD_SETUP, false);
87 mark_interface_down(iface);
96 __set_interface_down(struct interface *iface, bool force)
98 clear_interface_errors(iface);
100 if (iface->state == IFS_DOWN ||
101 iface->state == IFS_TEARDOWN)
104 iface->state = IFS_TEARDOWN;
105 interface_event(iface, IFEV_DOWN);
107 interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, force);
111 interface_cb(struct device_user *dep, enum device_event ev)
113 struct interface *iface;
116 iface = container_of(dep, struct interface, main_dev);
121 case DEV_EVENT_REMOVE:
128 if (iface->active == new_state)
131 iface->active = new_state;
134 if (iface->autostart && !config_init)
135 set_interface_up(iface);
137 __set_interface_down(iface, true);
141 interface_proto_cb(struct interface_proto_state *state, enum interface_proto_event ev)
143 struct interface *iface = state->iface;
147 if (iface->state != IFS_SETUP)
150 iface->state = IFS_UP;
151 interface_event(iface, IFEV_UP);
154 if (iface->state == IFS_DOWN)
157 mark_interface_down(iface);
162 void interface_set_proto_state(struct interface *iface, struct interface_proto_state *state)
165 interface_proto_event(iface->proto, PROTO_CMD_TEARDOWN, true);
166 iface->proto->free(iface->proto);
169 iface->state = IFS_DOWN;
170 iface->proto = state;
174 state->proto_event = interface_proto_cb;
175 state->iface = iface;
179 alloc_interface(const char *name, struct uci_section *s)
181 struct interface *iface;
183 iface = get_interface(name);
187 iface = calloc(1, sizeof(*iface));
188 iface->main_dev.cb = interface_cb;
189 iface->l3_iface = &iface->main_dev;
190 strncpy(iface->name, name, sizeof(iface->name) - 1);
191 list_add(&iface->list, &interfaces);
192 INIT_LIST_HEAD(&iface->errors);
193 INIT_LIST_HEAD(&iface->address);
194 INIT_LIST_HEAD(&iface->routes);
196 proto_attach_interface(iface, s);
198 netifd_ubus_add_interface(iface);
204 free_interface(struct interface *iface)
206 netifd_ubus_remove_interface(iface);
207 list_del(&iface->list);
208 if (iface->proto->free)
209 iface->proto->free(iface->proto);
214 get_interface(const char *name)
216 struct interface *iface;
218 list_for_each_entry(iface, &interfaces, list) {
219 if (!strcmp(iface->name, name))
226 interface_remove_link(struct interface *iface, struct device *dev)
228 struct device *mdev = iface->main_dev.dev;
230 if (mdev && mdev->hotplug_ops) {
231 mdev->hotplug_ops->del(mdev, dev);
235 remove_device_user(&iface->main_dev);
239 interface_add_link(struct interface *iface, struct device *dev)
241 struct device *mdev = iface->main_dev.dev;
243 if (mdev && mdev->hotplug_ops)
244 return mdev->hotplug_ops->add(mdev, dev);
246 if (iface->main_dev.dev)
247 interface_remove_link(iface, NULL);
249 add_device_user(&iface->main_dev, dev);
255 set_interface_up(struct interface *iface)
257 iface->autostart = true;
259 if (!iface->active) {
260 interface_add_error(iface, "interface", "NO_DEVICE", NULL, 0);
264 if (iface->state != IFS_DOWN)
267 return __set_interface_up(iface);
271 set_interface_down(struct interface *iface)
273 iface->autostart = false;
274 __set_interface_down(iface, false);
280 start_pending_interfaces(void)
282 struct interface *iface;
284 list_for_each_entry(iface, &interfaces, list) {
285 if (iface->active && iface->autostart)
286 set_interface_up(iface);