#include "proto.h"
#include "ubus.h"
#include "config.h"
+#include "system.h"
struct vlist_tree interfaces;
};
static void
-clear_interface_errors(struct interface *iface)
+interface_clear_errors(struct interface *iface)
{
struct interface_error *error, *tmp;
static void
interface_event(struct interface *iface, enum interface_event ev)
{
- /* TODO */
+ struct interface_user *dep, *tmp;
+
+ list_for_each_entry_safe(dep, tmp, &iface->users, list)
+ dep->cb(dep, IFEV_UP);
+
+ interface_queue_event(iface, ev);
}
static void
mark_interface_down(struct interface *iface)
{
+ interface_clear_dns(iface);
vlist_flush_all(&iface->proto_addr);
vlist_flush_all(&iface->proto_route);
if (iface->main_dev.dev)
}
return 0;
-
}
static void
__interface_set_down(struct interface *iface, bool force)
{
- clear_interface_errors(iface);
+ interface_clear_errors(iface);
if (iface->state == IFS_DOWN ||
iface->state == IFS_TEARDOWN)
__interface_set_down(iface, true);
}
+void
+interface_add_user(struct interface_user *dep, struct interface *iface)
+{
+ dep->iface = iface;
+ list_add(&dep->list, &iface->users);
+ if (iface->state == IFS_UP)
+ dep->cb(dep, IFEV_UP);
+}
+
+void
+interface_remove_user(struct interface_user *dep)
+{
+ list_del_init(&dep->list);
+ dep->iface = NULL;
+}
+
static void
interface_claim_device(struct interface *iface)
{
static void
interface_cleanup(struct interface *iface)
{
+ struct interface_user *dep, *tmp;
+
+ list_for_each_entry_safe(dep, tmp, &iface->users, list)
+ interface_remove_user(dep);
+
+ interface_clear_dns(iface);
+ interface_clear_errors(iface);
if (iface->main_dev.dev)
device_remove_user(&iface->main_dev);
+ iface->l3_dev = &iface->main_dev;
interface_set_proto_state(iface, NULL);
}
interface_cleanup(iface);
free(iface->config);
netifd_ubus_remove_interface(iface);
+ avl_delete(&interfaces.avl, &iface->node.avl);
free(iface);
}
interface_claim_device(iface);
proto_init_interface(iface, iface->config);
- if (iface->autostart)
+ if (iface->autostart && !config_init)
interface_set_up(iface);
}
if (iface->state != IFS_SETUP)
return;
+ system_flush_routes();
iface->state = IFS_UP;
+ iface->start_time = system_get_rtime();
interface_event(iface, IFEV_UP);
+ interface_write_resolv_conf();
break;
case IFPEV_DOWN:
if (iface->state == IFS_DOWN)
return;
+ system_flush_routes();
mark_interface_down(iface);
interface_handle_config_change(iface);
+ if (iface->l3_dev->dev)
+ device_release(iface->l3_dev);
+ if (iface->autostart && iface->available)
+ __interface_set_up(iface);
break;
case IFPEV_LINK_LOST:
if (iface->state != IFS_UP)
strncpy(iface->name, name, sizeof(iface->name) - 1);
INIT_LIST_HEAD(&iface->errors);
+ INIT_LIST_HEAD(&iface->users);
+ INIT_LIST_HEAD(&iface->hotplug_list);
+ INIT_LIST_HEAD(&iface->proto_dns_search);
+ INIT_LIST_HEAD(&iface->proto_dns_servers);
iface->main_dev.cb = interface_cb;
iface->l3_dev = &iface->main_dev;
{
iface->autostart = true;
+ if (iface->state != IFS_DOWN)
+ return 0;
+
+ interface_clear_errors(iface);
if (!iface->available) {
interface_add_error(iface, "interface", "NO_DEVICE", NULL, 0);
return -1;
}
- if (iface->state != IFS_DOWN)
- return 0;
-
return __interface_set_up(iface);
}
if (iface->state == IFS_DOWN)
interface_handle_config_change(iface);
else
- interface_set_down(iface);
+ __interface_set_down(iface, false);
}
static void
interface_change_config(struct interface *if_old, struct interface *if_new)
{
struct blob_attr *old_config = if_old->config;
+ const char *old_ifname = if_old->ifname;
+ const struct proto_handler *proto = if_old->proto_handler;
+ interface_clear_errors(if_old);
if_old->config = if_new->config;
if (!if_old->config_autostart && if_new->config_autostart)
if_old->autostart = true;
if_old->config_autostart = if_new->config_autostart;
if_old->ifname = if_new->ifname;
+ if_old->proto_handler = if_new->proto_handler;
+
+ if (strcmp(old_ifname, if_new->ifname) != 0 ||
+ proto != if_new->proto_handler) {
+ D(INTERFACE, "Reload interface '%s' because of ifname/proto change\n",
+ if_old->name);
+ goto reload;
+ }
+
+ if (!proto->config_params)
+ D(INTERFACE, "No config parameters for interface '%s'\n",
+ if_old->name);
+ else if (!config_check_equal(old_config, if_new->config,
+ proto->config_params)) {
+ D(INTERFACE, "Reload interface '%s because of config changes\n",
+ if_old->name);
+ goto reload;
+ }
+
+ goto out;
+reload:
set_config_state(if_old, IFC_RELOAD);
+out:
free(old_config);
free(if_new);
}