PF_POOL_ROUNDROBIN
pool_opts.type = PF_POOL_ROUNDROBIN;
rpool->opts = PF_POOL_ROUNDROBIN;
((rpool->opts & PF_POOL_TYPEMASK) != PF_POOL_ROUNDROBIN)) {
PF_POOL_ROUNDROBIN) {
case PF_POOL_ROUNDROBIN:
((((_o) & PF_POOL_TYPEMASK) == PF_POOL_ROUNDROBIN) || \
case PF_POOL_ROUNDROBIN:
case PF_POOL_ROUNDROBIN: