Add ath9k_enable_dynack() method to enable ack timeout estimation algorithm.
Moreover disable dynack if the coverage class has been configured
Signed-off-by: Lorenzo Bianconi <lorenzo.biancon...@gmail.com>
---
drivers/net/wireless/ath/ath9k/main.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/net/wireless/ath/ath9k/main.c
b/drivers/net/wireless/ath/ath9k/main.c
index e6ac8d2..52ca884 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1970,6 +1970,14 @@ static void ath9k_set_coverage_class(struct ieee80211_hw
*hw, u8 coverage_class)
mutex_lock(&sc->mutex);
ah->coverage_class = coverage_class;
+ if (ah->dynack.enabled) {
+ u32 rfilt;
+
+ ah->dynack.enabled = false;
+ rfilt = ath_calcrxfilter(sc);
+ ath9k_hw_setrxfilter(ah, rfilt);
+ }
+
ath9k_ps_wakeup(sc);
ath9k_hw_init_global_settings(ah);
ath9k_ps_restore(sc);
@@ -1977,6 +1985,28 @@ static void ath9k_set_coverage_class(struct ieee80211_hw
*hw, u8 coverage_class)
mutex_unlock(&sc->mutex);
}
+#ifdef CONFIG_ATH9K_DYNACK
+static int ath9k_enable_dynack(struct ieee80211_hw *hw)
+{
+ u32 rfilt;
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+
+ if (config_enabled(CONFIG_ATH9K_TX99))
+ return -EOPNOTSUPP;
+
+ if (!ah->dynack.enabled) {
+ ath_dynack_reset(ah);
+
+ ah->dynack.enabled = true;
+ rfilt = ath_calcrxfilter(sc);
+ ath9k_hw_setrxfilter(ah, rfilt);
+ }
+
+ return 0;
+}
+#endif
+
static bool ath9k_has_tx_pending(struct ath_softc *sc)
{
int i, npend = 0;
@@ -2651,4 +2681,8 @@ struct ieee80211_ops ath9k_ops = {
#endif
.sw_scan_start = ath9k_sw_scan_start,
.sw_scan_complete = ath9k_sw_scan_complete,
+
+#ifdef CONFIG_ATH9K_DYNACK
+ .enable_dynack = ath9k_enable_dynack,
+#endif
};
--
1.9.1
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