#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
+#define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13