IPW2200_CMD_RING_SIZE
sc->sc_cmd_cur = RING_FORWARD(sc->sc_cmd_cur, 1, IPW2200_CMD_RING_SIZE);
IPW2200_CMD_RING_SIZE * sizeof (struct ipw2200_cmd_desc),
sc->sc_cmd_free = IPW2200_CMD_RING_SIZE;
ipw2200_csr_put32(sc, IPW2200_CSR_CMD_SIZE, IPW2200_CMD_RING_SIZE);
sc->sc_cmd_free, IPW2200_CMD_RING_SIZE);
len = RING_FLEN(i, ridx, IPW2200_CMD_RING_SIZE);
i = RING_FORWARD(i, 1, IPW2200_CMD_RING_SIZE))
int sc_done[IPW2200_CMD_RING_SIZE];