get_rx_desc_rx_mcs
if (get_rx_desc_rx_mcs(pdesc) &&
get_rx_desc_rx_mcs(pdesc) >= DESC_RATEMCS8 &&
get_rx_desc_rx_mcs(pdesc) <= DESC_RATEMCS15)
stats->rate = (u8)get_rx_desc_rx_mcs(pdesc);
stats.rate = (u8)get_rx_desc_rx_mcs(rxdesc);