IEEE80211_VHT_MCS_SUPPORT_0_9
tx_mcs |= (IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2));
rx_mcs |= (IEEE80211_VHT_MCS_SUPPORT_0_9 << (i*2));
case IEEE80211_VHT_MCS_SUPPORT_0_9:
case IEEE80211_VHT_MCS_SUPPORT_0_9: