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_section_idx(struct uci_section
*s
)
38 struct uci_element
*e
;
41 uci_foreach_element(&uci_wireless
->sections
, e
) {
42 struct uci_section
*cur
= uci_to_section(e
);
47 if (!strcmp(cur
->type
, s
->type
))
55 config_parse_bridge_interface(struct uci_section
*s
)
59 name
= alloca(strlen(s
->e
.name
) + 4);
60 sprintf(name
, "br-%s", s
->e
.name
);
61 blobmsg_add_string(&b
, "name", name
);
63 uci_to_blob(&b
, s
, bridge_device_type
.config_params
);
64 if (!device_create(name
, &bridge_device_type
, b
.head
)) {
65 D(INTERFACE
, "Failed to create bridge for interface '%s'\n", s
->e
.name
);
70 blobmsg_add_string(&b
, "ifname", name
);
75 config_parse_interface(struct uci_section
*s
, bool alias
)
77 struct interface
*iface
;
78 const char *type
= NULL
, *disabled
;
79 struct blob_attr
*config
;
83 disabled
= uci_lookup_option_string(uci_ctx
, s
, "disabled");
84 if (disabled
&& !strcmp(disabled
, "1"))
90 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
91 if (type
&& !strcmp(type
, "bridge")) {
92 if (config_parse_bridge_interface(s
))
98 uci_to_blob(&b
, s
, &interface_attr_list
);
100 iface
= interface_alloc(s
->e
.name
, b
.head
);
104 if (iface
->proto_handler
&& iface
->proto_handler
->config_params
)
105 uci_to_blob(&b
, s
, iface
->proto_handler
->config_params
);
107 if (!bridge
&& uci_to_blob(&b
, s
, simple_device_type
.config_params
))
108 iface
->device_config
= true;
110 config
= blob_memdup(b
.head
);
115 if (!interface_add_alias(iface
, config
))
116 goto error_free_config
;
118 interface_add(iface
, config
);
122 * need to look up the interface name again, in case of config update,
123 * the pointer will have changed
125 iface
= vlist_find(&interfaces
, s
->e
.name
, iface
, node
);
129 dev
= iface
->main_dev
.dev
;
130 if (!dev
|| !dev
->default_config
)
133 blob_buf_init(&b
, 0);
134 uci_to_blob(&b
, s
, dev
->type
->config_params
);
135 if (blob_len(b
.head
) == 0)
138 device_set_config(dev
, dev
->type
, b
.head
);
147 config_parse_route(struct uci_section
*s
, bool v6
)
151 blob_buf_init(&b
, 0);
152 route
= blobmsg_open_array(&b
, "route");
153 uci_to_blob(&b
, s
, &route_attr_list
);
154 blobmsg_close_array(&b
, route
);
155 interface_ip_add_route(NULL
, blob_data(b
.head
), v6
);
159 config_parse_rule(struct uci_section
*s
, bool v6
)
163 blob_buf_init(&b
, 0);
164 rule
= blobmsg_open_array(&b
, "rule");
165 uci_to_blob(&b
, s
, &rule_attr_list
);
166 blobmsg_close_array(&b
, rule
);
167 iprule_add(blob_data(b
.head
), v6
);
171 config_init_devices(void)
173 struct uci_element
*e
;
175 uci_foreach_element(&uci_network
->sections
, e
) {
176 struct uci_section
*s
= uci_to_section(e
);
177 const struct device_type
*devtype
= NULL
;
178 const char *type
, *name
;
180 if (strcmp(s
->type
, "device") != 0)
183 name
= uci_lookup_option_string(uci_ctx
, s
, "name");
187 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
189 if (!strcmp(type
, "8021ad"))
190 devtype
= &vlandev_device_type
;
191 else if (!strcmp(type
, "8021q"))
192 devtype
= &vlandev_device_type
;
193 else if (!strcmp(type
, "bridge"))
194 devtype
= &bridge_device_type
;
195 else if (!strcmp(type
, "macvlan"))
196 devtype
= &macvlan_device_type
;
197 else if (!strcmp(type
, "tunnel"))
198 devtype
= &tunnel_device_type
;
202 devtype
= &simple_device_type
;
204 blob_buf_init(&b
, 0);
205 uci_to_blob(&b
, s
, devtype
->config_params
);
206 device_create(name
, devtype
, b
.head
);
210 static struct uci_package
*
211 config_init_package(const char *config
)
213 struct uci_context
*ctx
= uci_ctx
;
214 struct uci_package
*p
= NULL
;
217 ctx
= uci_alloc_context();
220 ctx
->flags
&= ~UCI_FLAG_STRICT
;
222 uci_set_confdir(ctx
, config_path
);
225 uci_set_savedir(ctx
, "./tmp");
228 p
= uci_lookup_package(ctx
, config
);
233 if (uci_load(ctx
, config
, &p
))
240 config_init_interfaces(void)
242 struct uci_element
*e
;
244 uci_foreach_element(&uci_network
->sections
, e
) {
245 struct uci_section
*s
= uci_to_section(e
);
247 if (!strcmp(s
->type
, "interface"))
248 config_parse_interface(s
, false);
251 uci_foreach_element(&uci_network
->sections
, e
) {
252 struct uci_section
*s
= uci_to_section(e
);
254 if (!strcmp(s
->type
, "alias"))
255 config_parse_interface(s
, true);
260 config_init_routes(void)
262 struct interface
*iface
;
263 struct uci_element
*e
;
265 vlist_for_each_element(&interfaces
, iface
, node
)
266 interface_ip_update_start(&iface
->config_ip
);
268 uci_foreach_element(&uci_network
->sections
, e
) {
269 struct uci_section
*s
= uci_to_section(e
);
271 if (!strcmp(s
->type
, "route"))
272 config_parse_route(s
, false);
273 else if (!strcmp(s
->type
, "route6"))
274 config_parse_route(s
, true);
277 vlist_for_each_element(&interfaces
, iface
, node
)
278 interface_ip_update_complete(&iface
->config_ip
);
282 config_init_rules(void)
284 struct uci_element
*e
;
286 iprule_update_start();
288 uci_foreach_element(&uci_network
->sections
, e
) {
289 struct uci_section
*s
= uci_to_section(e
);
291 if (!strcmp(s
->type
, "rule"))
292 config_parse_rule(s
, false);
293 else if (!strcmp(s
->type
, "rule6"))
294 config_parse_rule(s
, true);
297 iprule_update_complete();
301 config_init_globals(void)
303 struct uci_section
*globals
= uci_lookup_section(
304 uci_ctx
, uci_network
, "globals");
308 const char *ula_prefix
= uci_lookup_option_string(
309 uci_ctx
, globals
, "ula_prefix");
310 interface_ip_set_ula_prefix(ula_prefix
);
314 config_parse_wireless_device(struct uci_section
*s
)
316 struct wireless_driver
*drv
;
317 const char *driver_name
;
319 driver_name
= uci_lookup_option_string(uci_ctx
, s
, "type");
323 drv
= avl_find_element(&wireless_drivers
, driver_name
, drv
, node
);
327 blob_buf_init(&b
, 0);
328 uci_to_blob(&b
, s
, drv
->device
.config
);
329 wireless_device_create(drv
, s
->e
.name
, b
.head
);
333 config_parse_wireless_interface(struct wireless_device
*wdev
, struct uci_section
*s
)
338 name
= alloca(strlen(s
->type
) + 16);
339 asprintf(&name
, "@%s[%d]", s
->type
, config_section_idx(s
));
342 blob_buf_init(&b
, 0);
343 uci_to_blob(&b
, s
, wdev
->drv
->interface
.config
);
344 wireless_interface_create(wdev
, b
.head
, name
? name
: s
->e
.name
);
348 config_init_wireless(void)
350 struct wireless_device
*wdev
;
351 struct uci_element
*e
;
352 const char *dev_name
;
355 DPRINTF("No wireless configuration found\n");
359 vlist_update(&wireless_devices
);
361 uci_foreach_element(&uci_wireless
->sections
, e
) {
362 struct uci_section
*s
= uci_to_section(e
);
363 if (strcmp(s
->type
, "wifi-device") != 0)
366 config_parse_wireless_device(s
);
369 vlist_flush(&wireless_devices
);
371 vlist_for_each_element(&wireless_devices
, wdev
, node
) {
373 vlist_update(&wdev
->interfaces
);
376 uci_foreach_element(&uci_wireless
->sections
, e
) {
377 struct uci_section
*s
= uci_to_section(e
);
379 if (strcmp(s
->type
, "wifi-iface") != 0)
382 dev_name
= uci_lookup_option_string(uci_ctx
, s
, "device");
386 wdev
= vlist_find(&wireless_devices
, dev_name
, wdev
, node
);
388 DPRINTF("device %s not found!\n", dev_name
);
392 config_parse_wireless_interface(wdev
, s
);
395 vlist_for_each_element(&wireless_devices
, wdev
, node
)
396 vlist_flush(&wdev
->interfaces
);
400 config_init_all(void)
402 uci_network
= config_init_package("network");
404 fprintf(stderr
, "Failed to load network config\n");
408 uci_wireless
= config_init_package("wireless");
410 vlist_update(&interfaces
);
414 device_reset_config();
415 config_init_devices();
416 config_init_interfaces();
417 config_init_routes();
419 config_init_globals();
420 config_init_wireless();
426 device_init_pending();
427 vlist_flush(&interfaces
);
428 device_free_unused(NULL
);
429 interface_refresh_assignments(false);
430 interface_start_pending();
431 wireless_start_pending();