V_pfil_ipfw
if (V_pfil_bridge == 0 && V_pfil_member == 0 && V_pfil_ipfw == 0)
if (PFIL_HOOKED_OUT(V_link_pfil_head) && V_pfil_ipfw != 0 &&
int enable = V_pfil_ipfw;
if (enable != V_pfil_ipfw) {
V_pfil_ipfw = enable;
if (V_pfil_ipfw) {