sc_rxcomps
KASSERT(sc->sc_rxcomps[sc->sc_rxcptr].crc_word ## n == 0, \
word ## n = le64toh(sc->sc_rxcomps[sc->sc_rxcptr].crc_word ## n)
cas_rxcompinit(&sc->sc_rxcomps[sc->sc_rxcptr]);
cas_rxcompinit(&sc->sc_rxcomps[i]);