#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13