V_ipforwarding
if (V_drop_redirect || V_ipforwarding)
if (V_ipforwarding != 0
strong_es = V_ip_strong_es && (V_ipforwarding == 0) &&
if (V_ipforwarding == 0) {
if (V_ipforwarding) {
if (forward && V_ipforwarding) {
if (__predict_false(V_ipforwarding != 0)) {
if (__predict_false(V_ipforwarding != 0)) {
V_ipforwarding = 1;
V_ipforwarding = 0;