IPv6: remove ULA prefix-trigger (unused)
[project/netifd.git] / interface-ip.c
index 47747cb..b057fe5 100644 (file)
@@ -565,41 +565,6 @@ interface_update_host_route(struct vlist_tree *tree,
 
 static void
 interface_set_prefix_address(struct device_prefix_assignment *assignment,
-               const struct device_prefix *prefix, struct interface *iface, bool add);
-
-static void interface_trigger_ula_prefix(struct interface *iface,
-               const struct device_prefix *prefix, bool enable)
-{
-       if (prefix == ula_prefix || (prefix->addr.s6_addr[0] & 0xfe) != 0xfc)
-               return;
-
-       bool external_ula = false;
-       struct device_prefix_assignment *ula_assign = NULL;
-       struct device_prefix *c;
-       list_for_each_entry(c, &prefixes, head) {
-               if (c != ula_prefix && (c->addr.s6_addr[0] & 0xfe) != 0xfc)
-                       continue;
-
-               struct device_prefix_assignment *a;
-               list_for_each_entry(a, &c->assignments, head) {
-                       if (!strcmp(a->name, iface->name)) {
-                               if (c == ula_prefix)
-                                       ula_assign = a;
-                               else if (a->enabled)
-                                       external_ula = true;
-                       }
-               }
-
-       }
-
-       // Remove ULA assignment if there is an externally managed ULA and vice versa
-       if (ula_assign && ((enable && !external_ula) || (!enable && external_ula)))
-               interface_set_prefix_address(ula_assign, ula_prefix, iface, enable);
-}
-
-
-static void
-interface_set_prefix_address(struct device_prefix_assignment *assignment,
                const struct device_prefix *prefix, struct interface *iface, bool add)
 {
        const struct interface *uplink = prefix->iface;
@@ -625,8 +590,6 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
                        addr.valid_until = now + 7200;
                system_add_address(l3_downlink, &addr);
                assignment->enabled = false;
-
-               interface_trigger_ula_prefix(iface, prefix, true);
        } else if (add && (iface->state == IFS_UP || iface->state == IFS_SETUP)) {
                system_add_address(l3_downlink, &addr);
                if (uplink && uplink->l3_dev.dev) {
@@ -636,8 +599,6 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
                                system_update_ipv6_mtu(l3_downlink, mtu);
                }
                assignment->enabled = true;
-
-               interface_trigger_ula_prefix(iface, prefix, false);
        }
 }