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Re: [PATCH 09/10] ath9k: add ath9k_enable_dynack() method

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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 <lorenzo.bianconi83@xxxxxxxxx>
> ---
>  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?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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