Return-path: Received: from mail-we0-f170.google.com ([74.125.82.170]:64572 "EHLO mail-we0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756569AbaGVTwF convert rfc822-to-8bit (ORCPT ); Tue, 22 Jul 2014 15:52:05 -0400 Received: by mail-we0-f170.google.com with SMTP id w62so149844wes.1 for ; Tue, 22 Jul 2014 12:52:04 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20140722180254.GE1299@tuxdriver.com> References: <1405859486-31414-1-git-send-email-lorenzo.bianconi83@gmail.com> <1405859486-31414-10-git-send-email-lorenzo.bianconi83@gmail.com> <20140722180254.GE1299@tuxdriver.com> Date: Tue, 22 Jul 2014 21:52:04 +0200 Message-ID: (sfid-20140722_215211_322420_E80CEE43) Subject: Re: [PATCH 09/10] ath9k: add ath9k_enable_dynack() method From: Lorenzo Bianconi To: "John W. Linville" Cc: linux-wireless , ath9k-devel@venema.h4ckr.net, Philippe Duchein Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi John, > On Sun, Jul 20, 2014 at 02:31:25PM +0200, Lorenzo Bianconi wrote: >> 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 >> --- >> 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 >> }; > > CC drivers/net/wireless/ath/ath9k/main.o > drivers/net/wireless/ath/ath9k/main.c:2690:2: error: unknown field ‘enable_dynack’ specified in initializer > .enable_dynack = ath9k_enable_dynack, > ^ > drivers/net/wireless/ath/ath9k/main.c:2690:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/net/wireless/ath/ath9k/main.c:2690:2: warning: (near initialization for ‘ath9k_ops.get_stats’) [enabled by default] > make[3]: *** [drivers/net/wireless/ath/ath9k/main.o] Error 1 > make[2]: *** [drivers/net/wireless/ath/ath9k] Error 2 > make[1]: *** [drivers/net/wireless/ath] Error 2 > make: *** [drivers/net/wireless/] Error 2 > > Missing a header file change? > The function pointer is defined in "configure ack timeout estimation algorithm through mac80211 stack" patchset sent on linux-wireless. Anyway I will send patchset v3 to take Johannes's hint. > John > -- > John W. Linville Someday the world will need a hero, and you > linville@tuxdriver.com might be all we have. Be ready. Best regards, Lorenzo -- UNIX is Sexy: who | grep -i blonde | talk; cd ~; wine; talk; touch; unzip; touch; strip; gasp; finger; gasp; mount; fsck; more; yes; gasp; umount; make clean; sleep