SRCDIR
const char *eiface = SRCDIR ? get_physindev_name(skb, xt_net(par)) :
STRSCPY(e.iface, SRCDIR ? IFACE(in) : IFACE(out));
const char *eiface = SRCDIR ? get_physindev_name(skb, xt_net(par)) :
STRSCPY(e.iface, SRCDIR ? IFACE(in) : IFACE(out));