return 0;
}
+int dhcp6_request_prefix_delegation(Link *link) {
+ Link *l;
+ Iterator i;
+
+ assert_return(link, -EINVAL);
+ assert_return(link->manager, -EOPNOTSUPP);
+
+ if (dhcp6_get_prefix_delegation(link) <= 0)
+ return 0;
+
+ log_link_debug(link, "Requesting DHCPv6 prefixes to be delegated for new link");
+
+ HASHMAP_FOREACH(l, link->manager->links, i) {
+ int r, enabled;
+
+ if (l == link)
+ continue;
+
+ if (!l->dhcp6_client)
+ continue;
+
+ r = sd_dhcp6_client_get_prefix_delegation(l->dhcp6_client, &enabled);
+ if (r < 0) {
+ log_link_warning_errno(l, r, "Cannot get prefix delegation when adding new link");
+ continue;
+ }
+
+ if (enabled == 0) {
+ r = sd_dhcp6_client_set_prefix_delegation(l->dhcp6_client, 1);
+ if (r < 0) {
+ log_link_warning_errno(l, r, "Cannot enable prefix delegation when adding new link");
+ continue;
+ }
+ }
+
+ r = sd_dhcp6_client_is_running(l->dhcp6_client);
+ if (r <= 0)
+ continue;
+
+ if (enabled != 0) {
+ log_link_debug(l, "Requesting re-assignment of delegated prefixes after adding new link");
+ (void) dhcp6_lease_pd_prefix_acquired(l->dhcp6_client, l);
+
+ continue;
+ }
+
+ r = sd_dhcp6_client_stop(l->dhcp6_client);
+ if (r < 0) {
+ log_link_warning_errno(l, r, "Cannot stop DHCPv6 prefix delegation client after adding new link");
+ continue;
+ }
+
+ r = sd_dhcp6_client_start(l->dhcp6_client);
+ if (r < 0) {
+ log_link_warning_errno(l, r, "Cannot restart DHCPv6 prefix delegation client after adding new link");
+ continue;
+ }
+
+ log_link_debug(l, "Restarted DHCPv6 client to acquire prefix delegations after adding new link");
+ }
+
+ return 0;
+}
+
static int dhcp6_address_handler(sd_netlink *rtnl, sd_netlink_message *m,
void *userdata) {
_cleanup_(link_unrefp) Link *link = userdata;
int dhcp4_configure(Link *link);
int dhcp4_set_client_identifier(Link *link);
int dhcp4_set_promote_secondaries(Link *link);
+int dhcp6_request_prefix_delegation(Link *link);
int dhcp6_configure(Link *link);
int dhcp6_request_address(Link *link, int ir);
int dhcp6_lease_pd_prefix_lost(sd_dhcp6_client *client, Link* link);