Enable ACK timeout estimation algorithm if set_coverage_class routine has been
called with negative coverage_class parameter. Dynack is automatically disabled
setting valid value for coverage class
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@xxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/main.c | 33 +++++++++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6083359..6969aba 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1876,6 +1876,20 @@ static int ath9k_get_survey(struct ieee80211_hw *hw, int idx,
return 0;
}
+static void ath9k_enable_dynack(struct ath_softc *sc)
+{
+#ifdef CONFIG_ATH9K_DYNACK
+ u32 rfilt;
+ struct ath_hw *ah = sc->sc_ah;
+
+ ath_dynack_reset(ah);
+
+ ah->dynack.enabled = true;
+ rfilt = ath_calcrxfilter(sc);
+ ath9k_hw_setrxfilter(ah, rfilt);
+#endif
+}
+
static void ath9k_set_coverage_class(struct ieee80211_hw *hw,
s16 coverage_class)
{
@@ -1886,11 +1900,22 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw,
return;
mutex_lock(&sc->mutex);
- ah->coverage_class = coverage_class;
- ath9k_ps_wakeup(sc);
- ath9k_hw_init_global_settings(ah);
- ath9k_ps_restore(sc);
+ if (coverage_class >= 0) {
+ 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);
+ } else if (!ah->dynack.enabled) {
+ ath9k_enable_dynack(sc);
+ }
mutex_unlock(&sc->mutex);
}
--
1.9.1
--
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