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Commit 24a1936b authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by John W. Linville
Browse files

ath9k: enable dynack using set_coverage_class codepath 



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: default avatarLorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7a90744c

drivers/net/wireless/ath/ath9k/main.c

+29 −4
Original line number Diff line number Diff line
@@ -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);



	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);

}