PF_LIMIT_FRAGS
pf_pool_limits[PF_LIMIT_FRAGS].pp = pf_frent_pl;
pf_pool_limits[PF_LIMIT_FRAGS].limit = PFFRAG_FRENT_HIWAT;
{ "frags", PF_LIMIT_FRAGS },
pf->limit[PF_LIMIT_FRAGS] = PFFRAG_FRENT_HIWAT;