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| author | Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> | 2014-09-16 02:13:15 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-09-16 16:18:40 -0400 |
| commit | 24a1936bda0aa1ccf95c63dd3042a970885aaf11 (patch) | |
| tree | 1f2c8076c3f937294f7dae95917a5e6ec60f0754 /drivers/net/wireless/ath/ath9k/main.c | |
| parent | 7a90744c333e5038793217f695dbbdb776b58698 (diff) | |
| download | lwn-24a1936bda0aa1ccf95c63dd3042a970885aaf11.tar.gz lwn-24a1936bda0aa1ccf95c63dd3042a970885aaf11.zip | |
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: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 608335957974..6969aba6ab81 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); } |