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;
60 struct blob_attr *config;
67 type = uci_lookup_option_string(uci_ctx, s, "type");
68 if (type && !strcmp(type, "bridge")) {
69 if (config_parse_bridge_interface(s))
75 uci_to_blob(&b, s, &interface_attr_list);
77 iface = interface_alloc(s->e.name, b.head);
81 if (iface->proto_handler && iface->proto_handler->config_params)
82 uci_to_blob(&b, s, iface->proto_handler->config_params);
84 if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
85 iface->device_config = true;
87 config = blob_memdup(b.head);
92 if (!interface_add_alias(iface, config))
93 goto error_free_config;
95 interface_add(iface, config);
99 * need to look up the interface name again, in case of config update,
100 * the pointer will have changed
102 iface = vlist_find(&interfaces, s->e.name, iface, node);
106 dev = iface->main_dev.dev;
107 if (!dev || !dev->default_config)
110 blob_buf_init(&b, 0);
111 uci_to_blob(&b, s, dev->type->config_params);
112 if (blob_len(b.head) == 0)
115 device_set_config(dev, dev->type, b.head);
124 config_parse_route(struct uci_section *s, bool v6)
128 blob_buf_init(&b, 0);
129 route = blobmsg_open_array(&b, "route");
130 uci_to_blob(&b, s, &route_attr_list);
131 blobmsg_close_array(&b, route);
132 interface_ip_add_route(NULL, blob_data(b.head), v6);
136 config_parse_rule(struct uci_section *s, bool v6)
140 blob_buf_init(&b, 0);
141 rule = blobmsg_open_array(&b, "rule");
142 uci_to_blob(&b, s, &rule_attr_list);
143 blobmsg_close_array(&b, rule);
144 iprule_add(blob_data(b.head), v6);
148 config_init_devices(void)
150 struct uci_element *e;
152 uci_foreach_element(&uci_network->sections, e) {
153 struct uci_section *s = uci_to_section(e);
154 const struct device_type *devtype = NULL;
155 const char *type, *name;
157 if (strcmp(s->type, "device") != 0)
160 name = uci_lookup_option_string(uci_ctx, s, "name");
164 type = uci_lookup_option_string(uci_ctx, s, "type");
166 if (!strcmp(type, "bridge"))
167 devtype = &bridge_device_type;
168 else if (!strcmp(type, "tunnel"))
169 devtype = &tunnel_device_type;
170 else if (!strcmp(type, "macvlan"))
171 devtype = &macvlan_device_type;
175 devtype = &simple_device_type;
177 blob_buf_init(&b, 0);
178 uci_to_blob(&b, s, devtype->config_params);
179 device_create(name, devtype, b.head);
183 static struct uci_package *
184 config_init_package(const char *config)
186 struct uci_context *ctx = uci_ctx;
187 struct uci_package *p = NULL;
190 ctx = uci_alloc_context();
193 ctx->flags &= ~UCI_FLAG_STRICT;
195 uci_set_confdir(ctx, config_path);
198 uci_set_savedir(ctx, "./tmp");
201 p = uci_lookup_package(ctx, config);
206 if (uci_load(ctx, config, &p))
213 config_init_interfaces(void)
215 struct uci_element *e;
217 uci_foreach_element(&uci_network->sections, e) {
218 struct uci_section *s = uci_to_section(e);
220 if (!strcmp(s->type, "interface"))
221 config_parse_interface(s, false);
224 uci_foreach_element(&uci_network->sections, e) {
225 struct uci_section *s = uci_to_section(e);
227 if (!strcmp(s->type, "alias"))
228 config_parse_interface(s, true);
233 config_init_routes(void)
235 struct interface *iface;
236 struct uci_element *e;
238 vlist_for_each_element(&interfaces, iface, node)
239 interface_ip_update_start(&iface->config_ip);
241 uci_foreach_element(&uci_network->sections, e) {
242 struct uci_section *s = uci_to_section(e);
244 if (!strcmp(s->type, "route"))
245 config_parse_route(s, false);
246 else if (!strcmp(s->type, "route6"))
247 config_parse_route(s, true);
250 vlist_for_each_element(&interfaces, iface, node)
251 interface_ip_update_complete(&iface->config_ip);
255 config_init_rules(void)
257 struct uci_element *e;
259 iprule_update_start();
261 uci_foreach_element(&uci_network->sections, e) {
262 struct uci_section *s = uci_to_section(e);
264 if (!strcmp(s->type, "rule"))
265 config_parse_rule(s, false);
266 else if (!strcmp(s->type, "rule6"))
267 config_parse_rule(s, true);
270 iprule_update_complete();
274 config_init_globals(void)
276 struct uci_section *globals = uci_lookup_section(
277 uci_ctx, uci_network, "globals");
281 const char *ula_prefix = uci_lookup_option_string(
282 uci_ctx, globals, "ula_prefix");
283 interface_ip_set_ula_prefix(ula_prefix);
287 config_parse_wireless_device(struct uci_section *s)
289 struct wireless_driver *drv;
290 const char *driver_name;
292 driver_name = uci_lookup_option_string(uci_ctx, s, "type");
296 drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
300 blob_buf_init(&b, 0);
301 uci_to_blob(&b, s, drv->device.config);
302 wireless_device_create(drv, s->e.name, b.head);
306 config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
308 blob_buf_init(&b, 0);
309 uci_to_blob(&b, s, wdev->drv->interface.config);
310 wireless_interface_create(wdev, b.head, s->e.name);
314 config_init_wireless(void)
316 struct wireless_device *wdev;
317 struct uci_element *e;
318 const char *dev_name;
321 DPRINTF("No wireless configuration found\n");
325 vlist_update(&wireless_devices);
327 uci_foreach_element(&uci_wireless->sections, e) {
328 struct uci_section *s = uci_to_section(e);
329 if (strcmp(s->type, "wifi-device") != 0)
332 config_parse_wireless_device(s);
335 vlist_flush(&wireless_devices);
337 vlist_for_each_element(&wireless_devices, wdev, node) {
339 vlist_update(&wdev->interfaces);
342 uci_foreach_element(&uci_wireless->sections, e) {
343 struct uci_section *s = uci_to_section(e);
345 if (strcmp(s->type, "wifi-iface") != 0)
348 dev_name = uci_lookup_option_string(uci_ctx, s, "device");
352 wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
354 DPRINTF("device %s not found!\n", dev_name);
358 config_parse_wireless_interface(wdev, s);
361 vlist_for_each_element(&wireless_devices, wdev, node)
362 vlist_flush(&wdev->interfaces);
366 config_init_all(void)
368 uci_network = config_init_package("network");
370 fprintf(stderr, "Failed to load network config\n");
374 uci_wireless = config_init_package("wireless");
376 vlist_update(&interfaces);
380 device_reset_config();
381 config_init_devices();
382 config_init_interfaces();
383 config_init_routes();
385 config_init_globals();
386 config_init_wireless();
392 device_init_pending();
393 vlist_flush(&interfaces);
394 device_free_unused(NULL);
395 interface_refresh_assignments(false);
396 interface_start_pending();
397 wireless_start_pending();