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ath9k: enable dynack using set_coverage_class codepath

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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@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Lorenzo Bianconi 2014-09-16 02:13:15 +02:00 committed by John W. Linville
parent 7a90744c33
commit 24a1936bda
1 changed files with 29 additions and 4 deletions
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33
drivers/net/wireless/ath/ath9k/main.c
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@ -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);
}