mac80211: allow software PS-Poll/U-APSD with AP_LINK_PS

[cascardo/linux.git] / include / net / mac80211.h

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 07ef937..be30b05 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1068,6 +1068,9 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @RX_FLAG_RADIOTAP_VENDOR_DATA: This frame contains vendor-specific
  *     radiotap data in the skb->data (before the frame) as described by
  *     the &struct ieee80211_vendor_radiotap.
+ * @RX_FLAG_ALLOW_SAME_PN: Allow the same PN as same packet before.
+ *     This is used for AMSDU subframes which can have the same PN as
+ *     the first subframe.
  */
 enum mac80211_rx_flags {
        RX_FLAG_MMIC_ERROR              = BIT(0),
@@ -1101,7 +1104,8 @@ enum mac80211_rx_flags {
        RX_FLAG_5MHZ                    = BIT(29),
        RX_FLAG_AMSDU_MORE              = BIT(30),
        RX_FLAG_RADIOTAP_VENDOR_DATA    = BIT(31),
-       RX_FLAG_MIC_STRIPPED            = BIT_ULL(32),
+       RX_FLAG_MIC_STRIPPED            = BIT_ULL(32),
+       RX_FLAG_ALLOW_SAME_PN           = BIT_ULL(33),
 };
 
 #define RX_FLAG_STBC_SHIFT             26
@@ -3992,6 +3996,33 @@ static inline int ieee80211_sta_ps_transition_ni(struct ieee80211_sta *sta,
        return ret;
 }
 
+/**
+ * ieee80211_sta_pspoll - PS-Poll frame received
+ * @sta: currently connected station
+ *
+ * When operating in AP mode with the %IEEE80211_HW_AP_LINK_PS flag set,
+ * use this function to inform mac80211 that a PS-Poll frame from a
+ * connected station was received.
+ * This must be used in conjunction with ieee80211_sta_ps_transition()
+ * and possibly ieee80211_sta_uapsd_trigger(); calls to all three must
+ * be serialized.
+ */
+void ieee80211_sta_pspoll(struct ieee80211_sta *sta);
+
+/**
+ * ieee80211_sta_uapsd_trigger - (potential) U-APSD trigger frame received
+ * @sta: currently connected station
+ * @tid: TID of the received (potential) trigger frame
+ *
+ * When operating in AP mode with the %IEEE80211_HW_AP_LINK_PS flag set,
+ * use this function to inform mac80211 that a (potential) trigger frame
+ * from a connected station was received.
+ * This must be used in conjunction with ieee80211_sta_ps_transition()
+ * and possibly ieee80211_sta_pspoll(); calls to all three must be
+ * serialized.
+ */
+void ieee80211_sta_uapsd_trigger(struct ieee80211_sta *sta, u8 tid);
+
 /*
  * The TX headroom reserved by mac80211 for its own tx_status functions.
  * This is enough for the radiotap header.