fv_alloc
static struct flowvalve *fv_alloc(struct red *);
rp->red_flowvalve = fv_alloc(rp);
q_stats->fv_alloc = fv->fv_stats.alloc;
q_stats->fv_alloc = 0;
u_int fv_alloc;
if (red_stats.fv_alloc > 0) {
red_stats.fv_alloc, red_stats.fv_flows);