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.
22 #include "interface.h"
23 #include "interface-ip.h"
29 bool config_init
= false;
31 static struct uci_context
*uci_ctx
;
32 static struct uci_package
*uci_network
;
33 static struct uci_package
*uci_wireless
;
34 static struct blob_buf b
;
37 config_section_idx(struct uci_section
*s
)
39 struct uci_element
*e
;
42 uci_foreach_element(&uci_wireless
->sections
, e
) {
43 struct uci_section
*cur
= uci_to_section(e
);
48 if (!strcmp(cur
->type
, s
->type
))
56 config_parse_bridge_interface(struct uci_section
*s
)
60 name
= alloca(strlen(s
->e
.name
) + 4);
61 sprintf(name
, "br-%s", s
->e
.name
);
62 blobmsg_add_string(&b
, "name", name
);
64 uci_to_blob(&b
, s
, bridge_device_type
.config_params
);
65 if (!device_create(name
, &bridge_device_type
, b
.head
)) {
66 D(INTERFACE
, "Failed to create bridge for interface '%s'\n", s
->e
.name
);
71 blobmsg_add_string(&b
, "ifname", name
);
76 config_parse_interface(struct uci_section
*s
, bool alias
)
78 struct interface
*iface
;
79 const char *type
= NULL
, *disabled
;
80 struct blob_attr
*config
;
84 disabled
= uci_lookup_option_string(uci_ctx
, s
, "disabled");
85 if (disabled
&& !strcmp(disabled
, "1"))
91 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
92 if (type
&& !strcmp(type
, "bridge")) {
93 if (config_parse_bridge_interface(s
))
99 uci_to_blob(&b
, s
, &interface_attr_list
);
101 iface
= interface_alloc(s
->e
.name
, b
.head
);
105 if (iface
->proto_handler
&& iface
->proto_handler
->config_params
)
106 uci_to_blob(&b
, s
, iface
->proto_handler
->config_params
);
108 if (!bridge
&& uci_to_blob(&b
, s
, simple_device_type
.config_params
) > 1)
109 iface
->device_config
= true;
111 config
= blob_memdup(b
.head
);
116 if (!interface_add_alias(iface
, config
))
117 goto error_free_config
;
119 interface_add(iface
, config
);
123 * need to look up the interface name again, in case of config update,
124 * the pointer will have changed
126 iface
= vlist_find(&interfaces
, s
->e
.name
, iface
, node
);
130 dev
= iface
->main_dev
.dev
;
131 if (!dev
|| !dev
->default_config
)
134 blob_buf_init(&b
, 0);
135 uci_to_blob(&b
, s
, dev
->type
->config_params
);
136 if (blob_len(b
.head
) == 0)
139 if (iface
->device_config
&& dev
->default_config
)
140 device_set_config(dev
, dev
->type
, b
.head
);
149 config_parse_route(struct uci_section
*s
, bool v6
)
153 blob_buf_init(&b
, 0);
154 route
= blobmsg_open_array(&b
, "route");
155 uci_to_blob(&b
, s
, &route_attr_list
);
156 blobmsg_close_array(&b
, route
);
157 interface_ip_add_route(NULL
, blob_data(b
.head
), v6
);
161 config_parse_rule(struct uci_section
*s
, bool v6
)
165 blob_buf_init(&b
, 0);
166 rule
= blobmsg_open_array(&b
, "rule");
167 uci_to_blob(&b
, s
, &rule_attr_list
);
168 blobmsg_close_array(&b
, rule
);
169 iprule_add(blob_data(b
.head
), v6
);
173 config_init_devices(void)
175 struct uci_element
*e
;
177 uci_foreach_element(&uci_network
->sections
, e
) {
178 const struct uci_blob_param_list
*params
= NULL
;
179 struct uci_section
*s
= uci_to_section(e
);
180 const struct device_type
*devtype
= NULL
;
182 const char *type
, *name
;
184 if (strcmp(s
->type
, "device") != 0)
187 name
= uci_lookup_option_string(uci_ctx
, s
, "name");
191 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
193 if (!strcmp(type
, "8021ad"))
194 devtype
= &vlandev_device_type
;
195 else if (!strcmp(type
, "8021q"))
196 devtype
= &vlandev_device_type
;
197 else if (!strcmp(type
, "bridge"))
198 devtype
= &bridge_device_type
;
199 else if (!strcmp(type
, "macvlan"))
200 devtype
= &macvlan_device_type
;
201 else if (!strcmp(type
, "tunnel"))
202 devtype
= &tunnel_device_type
;
206 params
= devtype
->config_params
;
208 params
= simple_device_type
.config_params
;
210 blob_buf_init(&b
, 0);
211 uci_to_blob(&b
, s
, params
);
213 dev
= device_create(name
, devtype
, b
.head
);
217 dev
= device_get(name
, 1);
221 dev
->current_config
= true;
222 device_apply_config(dev
, dev
->type
, b
.head
);
224 dev
->default_config
= false;
228 static struct uci_package
*
229 config_init_package(const char *config
)
231 struct uci_context
*ctx
= uci_ctx
;
232 struct uci_package
*p
= NULL
;
235 ctx
= uci_alloc_context();
238 ctx
->flags
&= ~UCI_FLAG_STRICT
;
240 uci_set_confdir(ctx
, config_path
);
243 uci_set_savedir(ctx
, "./tmp");
246 p
= uci_lookup_package(ctx
, config
);
251 if (uci_load(ctx
, config
, &p
))
258 config_init_interfaces(void)
260 struct uci_element
*e
;
262 uci_foreach_element(&uci_network
->sections
, e
) {
263 struct uci_section
*s
= uci_to_section(e
);
265 if (!strcmp(s
->type
, "interface"))
266 config_parse_interface(s
, false);
269 uci_foreach_element(&uci_network
->sections
, e
) {
270 struct uci_section
*s
= uci_to_section(e
);
272 if (!strcmp(s
->type
, "alias"))
273 config_parse_interface(s
, true);
278 config_init_routes(void)
280 struct interface
*iface
;
281 struct uci_element
*e
;
283 vlist_for_each_element(&interfaces
, iface
, node
)
284 interface_ip_update_start(&iface
->config_ip
);
286 uci_foreach_element(&uci_network
->sections
, e
) {
287 struct uci_section
*s
= uci_to_section(e
);
289 if (!strcmp(s
->type
, "route"))
290 config_parse_route(s
, false);
291 else if (!strcmp(s
->type
, "route6"))
292 config_parse_route(s
, true);
295 vlist_for_each_element(&interfaces
, iface
, node
)
296 interface_ip_update_complete(&iface
->config_ip
);
300 config_init_rules(void)
302 struct uci_element
*e
;
304 iprule_update_start();
306 uci_foreach_element(&uci_network
->sections
, e
) {
307 struct uci_section
*s
= uci_to_section(e
);
309 if (!strcmp(s
->type
, "rule"))
310 config_parse_rule(s
, false);
311 else if (!strcmp(s
->type
, "rule6"))
312 config_parse_rule(s
, true);
315 iprule_update_complete();
319 config_init_globals(void)
321 struct uci_section
*globals
= uci_lookup_section(
322 uci_ctx
, uci_network
, "globals");
326 const char *ula_prefix
= uci_lookup_option_string(
327 uci_ctx
, globals
, "ula_prefix");
328 interface_ip_set_ula_prefix(ula_prefix
);
332 config_parse_wireless_device(struct uci_section
*s
)
334 struct wireless_driver
*drv
;
335 const char *driver_name
;
337 driver_name
= uci_lookup_option_string(uci_ctx
, s
, "type");
341 drv
= avl_find_element(&wireless_drivers
, driver_name
, drv
, node
);
345 blob_buf_init(&b
, 0);
346 uci_to_blob(&b
, s
, drv
->device
.config
);
347 wireless_device_create(drv
, s
->e
.name
, b
.head
);
351 config_parse_wireless_interface(struct wireless_device
*wdev
, struct uci_section
*s
)
355 name
= alloca(strlen(s
->type
) + 16);
356 sprintf(name
, "@%s[%d]", s
->type
, config_section_idx(s
));
358 blob_buf_init(&b
, 0);
359 uci_to_blob(&b
, s
, wdev
->drv
->interface
.config
);
360 wireless_interface_create(wdev
, b
.head
, s
->anonymous
? name
: s
->e
.name
);
364 config_init_wireless(void)
366 struct wireless_device
*wdev
;
367 struct uci_element
*e
;
368 const char *dev_name
;
371 DPRINTF("No wireless configuration found\n");
375 vlist_update(&wireless_devices
);
377 uci_foreach_element(&uci_wireless
->sections
, e
) {
378 struct uci_section
*s
= uci_to_section(e
);
379 if (strcmp(s
->type
, "wifi-device") != 0)
382 config_parse_wireless_device(s
);
385 vlist_flush(&wireless_devices
);
387 vlist_for_each_element(&wireless_devices
, wdev
, node
) {
389 vlist_update(&wdev
->interfaces
);
392 uci_foreach_element(&uci_wireless
->sections
, e
) {
393 struct uci_section
*s
= uci_to_section(e
);
395 if (strcmp(s
->type
, "wifi-iface") != 0)
398 dev_name
= uci_lookup_option_string(uci_ctx
, s
, "device");
402 wdev
= vlist_find(&wireless_devices
, dev_name
, wdev
, node
);
404 DPRINTF("device %s not found!\n", dev_name
);
408 config_parse_wireless_interface(wdev
, s
);
411 vlist_for_each_element(&wireless_devices
, wdev
, node
)
412 vlist_flush(&wdev
->interfaces
);
416 config_init_all(void)
418 uci_network
= config_init_package("network");
420 fprintf(stderr
, "Failed to load network config\n");
424 uci_wireless
= config_init_package("wireless");
426 vlist_update(&interfaces
);
430 device_reset_config();
431 config_init_devices();
432 config_init_interfaces();
433 config_init_routes();
435 config_init_globals();
436 config_init_wireless();
442 device_init_pending();
443 vlist_flush(&interfaces
);
444 device_free_unused(NULL
);
445 interface_refresh_assignments(false);
446 interface_start_pending();
447 wireless_start_pending();