interface-ip: fix delegate config update on reload (FS#2087)

[project/netifd.git] / interface.c

diff --git a/interface.c b/interface.c
index b21d2345bfc9577884e76aaf006dcdb39e330d5b..b8c4ae23a2f1cadbc48541f929763860f7ff3d43 100644 (file)
--- a/interface.c
+++ b/interface.c
@@ -1197,7 +1197,7 @@ static void
 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;
+       bool reload = false, reload_ip = false, update_prefix_delegation = false;
 
 #define FIELD_CHANGED_STR(field)                                       \
                ((!!if_old->field != !!if_new->field) ||                \
@@ -1247,6 +1247,11 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
        if_old->force_link = if_new->force_link;
        if_old->dns_metric = if_new->dns_metric;
 
+       if (if_old->proto_ip.no_delegation != if_new->proto_ip.no_delegation) {
+               if_old->proto_ip.no_delegation = if_new->proto_ip.no_delegation;
+               update_prefix_delegation = true;
+       }
+
        if_old->proto_ip.no_dns = if_new->proto_ip.no_dns;
        interface_replace_dns(&if_old->config_ip, &if_new->config_ip);
 
@@ -1276,6 +1281,9 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
                interface_ip_set_enabled(&if_old->config_ip, config_ip_enabled);
        }
 
+       if (update_prefix_delegation)
+               interface_update_prefix_delegation(&if_old->proto_ip);
+
        interface_write_resolv_conf();
        if (if_old->main_dev.dev)
                interface_check_state(if_old);