pf_frcache
LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */
pool_init(&pf_cent_pl, sizeof(struct pf_frcache), 0, 0, 0, "pffrcent",
pool_init(&pf_cent_pl, sizeof(struct pf_frcache), 0, 0, 0, "pffrcent",
struct pf_frcache *frcache;
struct pf_frcache *frp, *fra, *cur = NULL;
LIST_ENTRY(pf_frcache) fr_next;