165   IPAddress gateway(properties.address_family);  in UpdateFromIPConfig()  local
166   if (!properties.gateway.empty() &&  in UpdateFromIPConfig()
167       !gateway.SetAddressFromString(properties.gateway)) {  in UpdateFromIPConfig()
168     LOG(ERROR) << "Gateway address " << properties.gateway << " is invalid";  in UpdateFromIPConfig()
195     if (!PinHostRoute(trusted_ip, gateway)) {  in UpdateFromIPConfig()
228   if (!FixGatewayReachability(local, &peer, &gateway, trusted_ip)) {  in UpdateFromIPConfig()
244             << " gateway=" << gateway.ToString();  in UpdateFromIPConfig()
247   if (gateway.IsValid() && properties.default_route) {  in UpdateFromIPConfig()
248     routing_table_->SetDefaultRoute(interface_index_, gateway,  in UpdateFromIPConfig()
298   gateway_ = gateway;  in UpdateFromIPConfig()
451                                         IPAddress* gateway,  in FixGatewayReachability()  argument
456       << ", gateway " << gateway->ToString()  in FixGatewayReachability()
458   if (!gateway->IsValid()) {  in FixGatewayReachability()
464     if (!gateway->HasSameAddressAs(*peer)) {  in FixGatewayReachability()
466                    << gateway->ToString()  in FixGatewayReachability()
471     if (gateway->HasSameAddressAs(trusted_ip)) {  in FixGatewayReachability()
521       gateway->SetAddressToDefault();  in FixGatewayReachability()
526   if (local.CanReachAddress(*gateway)) {  in FixGatewayReachability()
531                << gateway->ToString()  in FixGatewayReachability()
535   IPAddress gateway_with_max_prefix(*gateway);  in FixGatewayReachability()
538   IPAddress default_address(gateway->family());  in FixGatewayReachability()
566                               const IPAddress& gateway) {  in PinHostRoute()  argument
573   if (!gateway.IsValid()) {  in PinHostRoute()