2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
21 #include "interface.h"
22 #include "interface-ip.h"
28 bool config_init
= false;
30 static struct uci_context
*uci_ctx
;
31 static struct uci_package
*uci_network
;
32 static struct uci_package
*uci_wireless
;
33 static struct blob_buf b
;
36 config_parse_bridge_interface(struct uci_section
*s
)
40 name
= alloca(strlen(s
->e
.name
) + 4);
41 sprintf(name
, "br-%s", s
->e
.name
);
42 blobmsg_add_string(&b
, "name", name
);
44 uci_to_blob(&b
, s
, bridge_device_type
.config_params
);
45 if (!device_create(name
, &bridge_device_type
, b
.head
)) {
46 D(INTERFACE
, "Failed to create bridge for interface '%s'\n", s
->e
.name
);
51 blobmsg_add_string(&b
, "ifname", name
);
56 config_parse_interface(struct uci_section
*s
, bool alias
)
58 struct interface
*iface
;
59 const char *type
= NULL
, *disabled
;
60 struct blob_attr
*config
;
64 disabled
= uci_lookup_option_string(uci_ctx
, s
, "disabled");
65 if (disabled
&& !strcmp(disabled
, "1"))
71 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
72 if (type
&& !strcmp(type
, "bridge")) {
73 if (config_parse_bridge_interface(s
))
79 uci_to_blob(&b
, s
, &interface_attr_list
);
81 iface
= interface_alloc(s
->e
.name
, b
.head
);
85 if (iface
->proto_handler
&& iface
->proto_handler
->config_params
)
86 uci_to_blob(&b
, s
, iface
->proto_handler
->config_params
);
88 if (!bridge
&& uci_to_blob(&b
, s
, simple_device_type
.config_params
))
89 iface
->device_config
= true;
91 config
= blob_memdup(b
.head
);
96 if (!interface_add_alias(iface
, config
))
97 goto error_free_config
;
99 interface_add(iface
, config
);
103 * need to look up the interface name again, in case of config update,
104 * the pointer will have changed
106 iface
= vlist_find(&interfaces
, s
->e
.name
, iface
, node
);
110 dev
= iface
->main_dev
.dev
;
111 if (!dev
|| !dev
->default_config
)
114 blob_buf_init(&b
, 0);
115 uci_to_blob(&b
, s
, dev
->type
->config_params
);
116 if (blob_len(b
.head
) == 0)
119 device_set_config(dev
, dev
->type
, b
.head
);
128 config_parse_route(struct uci_section
*s
, bool v6
)
132 blob_buf_init(&b
, 0);
133 route
= blobmsg_open_array(&b
, "route");
134 uci_to_blob(&b
, s
, &route_attr_list
);
135 blobmsg_close_array(&b
, route
);
136 interface_ip_add_route(NULL
, blob_data(b
.head
), v6
);
140 config_parse_rule(struct uci_section
*s
, bool v6
)
144 blob_buf_init(&b
, 0);
145 rule
= blobmsg_open_array(&b
, "rule");
146 uci_to_blob(&b
, s
, &rule_attr_list
);
147 blobmsg_close_array(&b
, rule
);
148 iprule_add(blob_data(b
.head
), v6
);
152 config_init_devices(void)
154 struct uci_element
*e
;
156 uci_foreach_element(&uci_network
->sections
, e
) {
157 struct uci_section
*s
= uci_to_section(e
);
158 const struct device_type
*devtype
= NULL
;
159 const char *type
, *name
;
161 if (strcmp(s
->type
, "device") != 0)
164 name
= uci_lookup_option_string(uci_ctx
, s
, "name");
168 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
170 if (!strcmp(type
, "8021ad"))
171 devtype
= &vlandev_device_type
;
172 else if (!strcmp(type
, "8021q"))
173 devtype
= &vlandev_device_type
;
174 else if (!strcmp(type
, "bridge"))
175 devtype
= &bridge_device_type
;
176 else if (!strcmp(type
, "macvlan"))
177 devtype
= &macvlan_device_type
;
178 else if (!strcmp(type
, "tunnel"))
179 devtype
= &tunnel_device_type
;
183 devtype
= &simple_device_type
;
185 blob_buf_init(&b
, 0);
186 uci_to_blob(&b
, s
, devtype
->config_params
);
187 device_create(name
, devtype
, b
.head
);
191 static struct uci_package
*
192 config_init_package(const char *config
)
194 struct uci_context
*ctx
= uci_ctx
;
195 struct uci_package
*p
= NULL
;
198 ctx
= uci_alloc_context();
201 ctx
->flags
&= ~UCI_FLAG_STRICT
;
203 uci_set_confdir(ctx
, config_path
);
206 uci_set_savedir(ctx
, "./tmp");
209 p
= uci_lookup_package(ctx
, config
);
214 if (uci_load(ctx
, config
, &p
))
221 config_init_interfaces(void)
223 struct uci_element
*e
;
225 uci_foreach_element(&uci_network
->sections
, e
) {
226 struct uci_section
*s
= uci_to_section(e
);
228 if (!strcmp(s
->type
, "interface"))
229 config_parse_interface(s
, false);
232 uci_foreach_element(&uci_network
->sections
, e
) {
233 struct uci_section
*s
= uci_to_section(e
);
235 if (!strcmp(s
->type
, "alias"))
236 config_parse_interface(s
, true);
241 config_init_routes(void)
243 struct interface
*iface
;
244 struct uci_element
*e
;
246 vlist_for_each_element(&interfaces
, iface
, node
)
247 interface_ip_update_start(&iface
->config_ip
);
249 uci_foreach_element(&uci_network
->sections
, e
) {
250 struct uci_section
*s
= uci_to_section(e
);
252 if (!strcmp(s
->type
, "route"))
253 config_parse_route(s
, false);
254 else if (!strcmp(s
->type
, "route6"))
255 config_parse_route(s
, true);
258 vlist_for_each_element(&interfaces
, iface
, node
)
259 interface_ip_update_complete(&iface
->config_ip
);
263 config_init_rules(void)
265 struct uci_element
*e
;
267 iprule_update_start();
269 uci_foreach_element(&uci_network
->sections
, e
) {
270 struct uci_section
*s
= uci_to_section(e
);
272 if (!strcmp(s
->type
, "rule"))
273 config_parse_rule(s
, false);
274 else if (!strcmp(s
->type
, "rule6"))
275 config_parse_rule(s
, true);
278 iprule_update_complete();
282 config_init_globals(void)
284 struct uci_section
*globals
= uci_lookup_section(
285 uci_ctx
, uci_network
, "globals");
289 const char *ula_prefix
= uci_lookup_option_string(
290 uci_ctx
, globals
, "ula_prefix");
291 interface_ip_set_ula_prefix(ula_prefix
);
295 config_parse_wireless_device(struct uci_section
*s
)
297 struct wireless_driver
*drv
;
298 const char *driver_name
;
300 driver_name
= uci_lookup_option_string(uci_ctx
, s
, "type");
304 drv
= avl_find_element(&wireless_drivers
, driver_name
, drv
, node
);
308 blob_buf_init(&b
, 0);
309 uci_to_blob(&b
, s
, drv
->device
.config
);
310 wireless_device_create(drv
, s
->e
.name
, b
.head
);
314 config_parse_wireless_interface(struct wireless_device
*wdev
, struct uci_section
*s
)
316 blob_buf_init(&b
, 0);
317 uci_to_blob(&b
, s
, wdev
->drv
->interface
.config
);
318 wireless_interface_create(wdev
, b
.head
, s
->e
.name
);
322 config_init_wireless(void)
324 struct wireless_device
*wdev
;
325 struct uci_element
*e
;
326 const char *dev_name
;
329 DPRINTF("No wireless configuration found\n");
333 vlist_update(&wireless_devices
);
335 uci_foreach_element(&uci_wireless
->sections
, e
) {
336 struct uci_section
*s
= uci_to_section(e
);
337 if (strcmp(s
->type
, "wifi-device") != 0)
340 config_parse_wireless_device(s
);
343 vlist_flush(&wireless_devices
);
345 vlist_for_each_element(&wireless_devices
, wdev
, node
) {
347 vlist_update(&wdev
->interfaces
);
350 uci_foreach_element(&uci_wireless
->sections
, e
) {
351 struct uci_section
*s
= uci_to_section(e
);
353 if (strcmp(s
->type
, "wifi-iface") != 0)
356 dev_name
= uci_lookup_option_string(uci_ctx
, s
, "device");
360 wdev
= vlist_find(&wireless_devices
, dev_name
, wdev
, node
);
362 DPRINTF("device %s not found!\n", dev_name
);
366 config_parse_wireless_interface(wdev
, s
);
369 vlist_for_each_element(&wireless_devices
, wdev
, node
)
370 vlist_flush(&wdev
->interfaces
);
374 config_init_all(void)
376 uci_network
= config_init_package("network");
378 fprintf(stderr
, "Failed to load network config\n");
382 uci_wireless
= config_init_package("wireless");
384 vlist_update(&interfaces
);
388 device_reset_config();
389 config_init_devices();
390 config_init_interfaces();
391 config_init_routes();
393 config_init_globals();
394 config_init_wireless();
400 device_init_pending();
401 vlist_flush(&interfaces
);
402 device_free_unused(NULL
);
403 interface_refresh_assignments(false);
404 interface_start_pending();
405 wireless_start_pending();