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
))
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 device_set_config(dev
, dev
->type
, b
.head
);
148 config_parse_route(struct uci_section
*s
, bool v6
)
152 blob_buf_init(&b
, 0);
153 route
= blobmsg_open_array(&b
, "route");
154 uci_to_blob(&b
, s
, &route_attr_list
);
155 blobmsg_close_array(&b
, route
);
156 interface_ip_add_route(NULL
, blob_data(b
.head
), v6
);
160 config_parse_rule(struct uci_section
*s
, bool v6
)
164 blob_buf_init(&b
, 0);
165 rule
= blobmsg_open_array(&b
, "rule");
166 uci_to_blob(&b
, s
, &rule_attr_list
);
167 blobmsg_close_array(&b
, rule
);
168 iprule_add(blob_data(b
.head
), v6
);
172 config_init_devices(void)
174 struct uci_element
*e
;
176 uci_foreach_element(&uci_network
->sections
, e
) {
177 const struct uci_blob_param_list
*params
= NULL
;
178 struct uci_section
*s
= uci_to_section(e
);
179 const struct device_type
*devtype
= NULL
;
181 const char *type
, *name
;
183 if (strcmp(s
->type
, "device") != 0)
186 name
= uci_lookup_option_string(uci_ctx
, s
, "name");
190 type
= uci_lookup_option_string(uci_ctx
, s
, "type");
192 if (!strcmp(type
, "8021ad"))
193 devtype
= &vlandev_device_type
;
194 else if (!strcmp(type
, "8021q"))
195 devtype
= &vlandev_device_type
;
196 else if (!strcmp(type
, "bridge"))
197 devtype
= &bridge_device_type
;
198 else if (!strcmp(type
, "macvlan"))
199 devtype
= &macvlan_device_type
;
200 else if (!strcmp(type
, "tunnel"))
201 devtype
= &tunnel_device_type
;
205 params
= devtype
->config_params
;
207 params
= simple_device_type
.config_params
;
209 blob_buf_init(&b
, 0);
210 uci_to_blob(&b
, s
, params
);
212 dev
= device_create(name
, devtype
, b
.head
);
216 dev
= device_get(name
, 1);
220 device_apply_config(dev
, dev
->type
, blob_memdup(b
.head
));
222 dev
->default_config
= false;
226 static struct uci_package
*
227 config_init_package(const char *config
)
229 struct uci_context
*ctx
= uci_ctx
;
230 struct uci_package
*p
= NULL
;
233 ctx
= uci_alloc_context();
236 ctx
->flags
&= ~UCI_FLAG_STRICT
;
238 uci_set_confdir(ctx
, config_path
);
241 uci_set_savedir(ctx
, "./tmp");
244 p
= uci_lookup_package(ctx
, config
);
249 if (uci_load(ctx
, config
, &p
))
256 config_init_interfaces(void)
258 struct uci_element
*e
;
260 uci_foreach_element(&uci_network
->sections
, e
) {
261 struct uci_section
*s
= uci_to_section(e
);
263 if (!strcmp(s
->type
, "interface"))
264 config_parse_interface(s
, false);
267 uci_foreach_element(&uci_network
->sections
, e
) {
268 struct uci_section
*s
= uci_to_section(e
);
270 if (!strcmp(s
->type
, "alias"))
271 config_parse_interface(s
, true);
276 config_init_routes(void)
278 struct interface
*iface
;
279 struct uci_element
*e
;
281 vlist_for_each_element(&interfaces
, iface
, node
)
282 interface_ip_update_start(&iface
->config_ip
);
284 uci_foreach_element(&uci_network
->sections
, e
) {
285 struct uci_section
*s
= uci_to_section(e
);
287 if (!strcmp(s
->type
, "route"))
288 config_parse_route(s
, false);
289 else if (!strcmp(s
->type
, "route6"))
290 config_parse_route(s
, true);
293 vlist_for_each_element(&interfaces
, iface
, node
)
294 interface_ip_update_complete(&iface
->config_ip
);
298 config_init_rules(void)
300 struct uci_element
*e
;
302 iprule_update_start();
304 uci_foreach_element(&uci_network
->sections
, e
) {
305 struct uci_section
*s
= uci_to_section(e
);
307 if (!strcmp(s
->type
, "rule"))
308 config_parse_rule(s
, false);
309 else if (!strcmp(s
->type
, "rule6"))
310 config_parse_rule(s
, true);
313 iprule_update_complete();
317 config_init_globals(void)
319 struct uci_section
*globals
= uci_lookup_section(
320 uci_ctx
, uci_network
, "globals");
324 const char *ula_prefix
= uci_lookup_option_string(
325 uci_ctx
, globals
, "ula_prefix");
326 interface_ip_set_ula_prefix(ula_prefix
);
330 config_parse_wireless_device(struct uci_section
*s
)
332 struct wireless_driver
*drv
;
333 const char *driver_name
;
335 driver_name
= uci_lookup_option_string(uci_ctx
, s
, "type");
339 drv
= avl_find_element(&wireless_drivers
, driver_name
, drv
, node
);
343 blob_buf_init(&b
, 0);
344 uci_to_blob(&b
, s
, drv
->device
.config
);
345 wireless_device_create(drv
, s
->e
.name
, b
.head
);
349 config_parse_wireless_interface(struct wireless_device
*wdev
, struct uci_section
*s
)
353 name
= alloca(strlen(s
->type
) + 16);
354 sprintf(name
, "@%s[%d]", s
->type
, config_section_idx(s
));
356 blob_buf_init(&b
, 0);
357 uci_to_blob(&b
, s
, wdev
->drv
->interface
.config
);
358 wireless_interface_create(wdev
, b
.head
, s
->anonymous
? name
: s
->e
.name
);
362 config_init_wireless(void)
364 struct wireless_device
*wdev
;
365 struct uci_element
*e
;
366 const char *dev_name
;
369 DPRINTF("No wireless configuration found\n");
373 vlist_update(&wireless_devices
);
375 uci_foreach_element(&uci_wireless
->sections
, e
) {
376 struct uci_section
*s
= uci_to_section(e
);
377 if (strcmp(s
->type
, "wifi-device") != 0)
380 config_parse_wireless_device(s
);
383 vlist_flush(&wireless_devices
);
385 vlist_for_each_element(&wireless_devices
, wdev
, node
) {
387 vlist_update(&wdev
->interfaces
);
390 uci_foreach_element(&uci_wireless
->sections
, e
) {
391 struct uci_section
*s
= uci_to_section(e
);
393 if (strcmp(s
->type
, "wifi-iface") != 0)
396 dev_name
= uci_lookup_option_string(uci_ctx
, s
, "device");
400 wdev
= vlist_find(&wireless_devices
, dev_name
, wdev
, node
);
402 DPRINTF("device %s not found!\n", dev_name
);
406 config_parse_wireless_interface(wdev
, s
);
409 vlist_for_each_element(&wireless_devices
, wdev
, node
)
410 vlist_flush(&wdev
->interfaces
);
414 config_init_all(void)
416 uci_network
= config_init_package("network");
418 fprintf(stderr
, "Failed to load network config\n");
422 uci_wireless
= config_init_package("wireless");
424 vlist_update(&interfaces
);
428 device_reset_config();
429 config_init_devices();
430 config_init_interfaces();
431 config_init_routes();
433 config_init_globals();
434 config_init_wireless();
440 device_init_pending();
441 vlist_flush(&interfaces
);
442 device_free_unused(NULL
);
443 interface_refresh_assignments(false);
444 interface_start_pending();
445 wireless_start_pending();