struct vlist_tree interfaces;
static LIST_HEAD(iface_all_users);
+static unsigned int interface_serial = 0;
enum {
IFACE_ATTR_IFNAME,
IFACE_ATTR_INTERFACE,
IFACE_ATTR_IP6ASSIGN,
IFACE_ATTR_IP6HINT,
+ IFACE_ATTR_IP4TABLE,
+ IFACE_ATTR_IP6TABLE,
+ IFACE_ATTR_IP6CLASS,
IFACE_ATTR_MAX
};
[IFACE_ATTR_INTERFACE] = { .name = "interface", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_IP6ASSIGN] = { .name = "ip6assign", .type = BLOBMSG_TYPE_INT32 },
[IFACE_ATTR_IP6HINT] = { .name = "ip6hint", .type = BLOBMSG_TYPE_STRING },
+ [IFACE_ATTR_IP4TABLE] = { .name = "ip4table", .type = BLOBMSG_TYPE_STRING },
+ [IFACE_ATTR_IP6TABLE] = { .name = "ip6table", .type = BLOBMSG_TYPE_STRING },
+ [IFACE_ATTR_IP6CLASS] = { .name = "ip6class", .type = BLOBMSG_TYPE_ARRAY },
};
static const union config_param_info iface_attr_info[IFACE_ATTR_MAX] = {
[IFACE_ATTR_DNS] = { .type = BLOBMSG_TYPE_STRING },
+ [IFACE_ATTR_IP6CLASS] = { .type = BLOBMSG_TYPE_STRING },
};
const struct config_param_list interface_attr_list = {
}
static void
+interface_add_assignment_classes(struct interface *iface, struct blob_attr *list)
+{
+ struct blob_attr *cur;
+ int rem;
+
+ blobmsg_for_each_attr(cur, list, rem) {
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ continue;
+
+ if (!blobmsg_check_attr(cur, NULL))
+ continue;
+
+ struct interface_assignment_class *c = malloc(sizeof(*c) + blobmsg_data_len(cur));
+ memcpy(c->name, blobmsg_data(cur), blobmsg_data_len(cur));
+ list_add(&c->head, &iface->assignment_classes);
+ }
+}
+
+static void
+interface_clear_assignment_classes(struct interface *iface)
+{
+ while (!list_empty(&iface->assignment_classes)) {
+ struct interface_assignment_class *c = list_first_entry(&iface->assignment_classes,
+ struct interface_assignment_class, head);
+ list_del(&c->head);
+ free(c);
+ }
+}
+
+static void
+interface_merge_assignment_data(struct interface *old, struct interface *new)
+{
+ bool changed = (old->assignment_hint != new->assignment_hint ||
+ old->assignment_length != new->assignment_length ||
+ list_empty(&old->assignment_classes) != list_empty(&new->assignment_classes));
+
+ struct interface_assignment_class *c;
+ list_for_each_entry(c, &new->assignment_classes, head) {
+ // Compare list entries one-by-one to see if there was a change
+ if (list_empty(&old->assignment_classes)) // The new list is longer
+ changed = true;
+
+ if (changed)
+ break;
+
+ struct interface_assignment_class *c_old = list_first_entry(&old->assignment_classes,
+ struct interface_assignment_class, head);
+
+ if (strcmp(c_old->name, c->name)) // An entry didn't match
+ break;
+
+ list_del(&c_old->head);
+ free(c_old);
+ }
+
+ // The old list was longer than the new one or the last entry didn't match
+ if (!list_empty(&old->assignment_classes)) {
+ interface_clear_assignment_classes(old);
+ changed = true;
+ }
+
+ list_splice_init(&new->assignment_classes, &old->assignment_classes);
+
+ if (changed) {
+ old->assignment_hint = new->assignment_hint;
+ old->assignment_length = new->assignment_length;
+ interface_refresh_assignments(true);
+ }
+}
+
+static void
interface_alias_cb(struct interface_user *dep, struct interface *iface, enum interface_event ev)
{
struct interface *alias = container_of(dep, struct interface, parent_iface);
list_for_each_entry_safe(dep, tmp, &iface->users, list)
interface_remove_user(dep);
+ interface_clear_assignment_classes(iface);
interface_ip_flush(&iface->config_ip);
interface_cleanup_state(iface);
}
INIT_LIST_HEAD(&iface->errors);
INIT_LIST_HEAD(&iface->users);
INIT_LIST_HEAD(&iface->hotplug_list);
+ INIT_LIST_HEAD(&iface->assignment_classes);
interface_ip_init(iface);
avl_init(&iface->data, avl_strcmp, false, NULL);
iface->config_ip.enabled = false;
iface->metric = blobmsg_get_u32(cur);
if ((cur = tb[IFACE_ATTR_IP6ASSIGN]))
- iface->config_ip.assignment_length = blobmsg_get_u32(cur);
+ iface->assignment_length = blobmsg_get_u32(cur);
- iface->config_ip.assignment_hint = -1;
+ iface->assignment_hint = -1;
if ((cur = tb[IFACE_ATTR_IP6HINT]))
- iface->config_ip.assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16) &
- ~((1 << (64 - iface->config_ip.assignment_length)) - 1);
+ iface->assignment_hint = strtol(blobmsg_get_string(cur), NULL, 16) &
+ ~((1 << (64 - iface->assignment_length)) - 1);
+
+ if ((cur = tb[IFACE_ATTR_IP6CLASS]))
+ interface_add_assignment_classes(iface, cur);
+
+
+ if ((cur = tb[IFACE_ATTR_IP4TABLE])) {
+ if (!system_resolve_rt_table(blobmsg_data(cur), &iface->ip4table))
+ DPRINTF("Failed to resolve routing table: %s\n", (char *) blobmsg_data(cur));
+ }
+
+ // Set a default exteranl routing table for IPv6 to do source-based-filtering
+
+ iface->ip6table = 1000 + ++interface_serial;
+ if ((cur = tb[IFACE_ATTR_IP6TABLE])) {
+ if (!system_resolve_rt_table(blobmsg_data(cur), &iface->ip6table))
+ DPRINTF("Failed to resolve routing table: %s\n", (char *) blobmsg_data(cur));
+ }
iface->config_autostart = iface->autostart;
}
interface_change_config(struct interface *if_old, struct interface *if_new)
{
struct blob_attr *old_config = if_old->config;
- bool reload = false, reload_ip = false, reload_assignment = false;
+ bool reload = false, reload_ip = false;
#define FIELD_CHANGED_STR(field) \
((!!if_old->field != !!if_new->field) || \
UPDATE(metric, reload_ip);
UPDATE(proto_ip.no_defaultroute, reload_ip);
- UPDATE(config_ip.assignment_length, reload_assignment);
- UPDATE(config_ip.assignment_hint, reload_assignment);
+ interface_merge_assignment_data(if_old, if_new);
#undef UPDATE
interface_ip_set_enabled(&if_old->proto_ip, if_new->proto_ip.enabled);
}
- if (reload_assignment)
- interface_refresh_assignments(true);
-
interface_write_resolv_conf();
out: