pgt_queue_frags_pending
shouldupdate = pgt_queue_frags_pending(sc, i);
shouldupdate = pgt_queue_frags_pending(sc, i) <
allowed = pgt_queue_frags_pending(sc, i) == 0;
allowed = pgt_queue_frags_pending(sc, i) >=
uint32_t pgt_queue_frags_pending(struct pgt_softc *, enum pgt_queue);
npend = pgt_queue_frags_pending(sc, pqs[i]);
npend = pgt_queue_frags_pending(sc, pqs[i]);