-/* MIMO Power Save Modes */
-#define WLAN_HT_CAP_MIMO_PS_STATIC 0
-#define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1
-#define WLAN_HT_CAP_MIMO_PS_INVALID 2
-#define WLAN_HT_CAP_MIMO_PS_DISABLED 3
+/* block-ack parameters */
+#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
+#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
+#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
+#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
+#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
+
+/*
+ * A-PMDU buffer sizes
+ * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
+ */
+#define IEEE80211_MIN_AMPDU_BUF 0x8
+#define IEEE80211_MAX_AMPDU_BUF 0x40
+
+
+/* Spatial Multiplexing Power Save Modes */
+#define WLAN_HT_CAP_SM_PS_STATIC 0
+#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
+#define WLAN_HT_CAP_SM_PS_INVALID 2
+#define WLAN_HT_CAP_SM_PS_DISABLED 3