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Re: [PATCH 2/6] ath9k: Fix ANI monitoring

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On 2013-06-04 12:11 PM, Sujith Manoharan wrote:
> From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
> 
> The commit "ath9k_hw: improve ANI processing and rx desensitizing parameters"
> changed various ANI operational parameters to address a specific
> card/environment. This is not really applicable for other cards
> in general usage.
> 
> As per internal documentation, lowering the immunity level can be
> done only after 5 periods have passed and the CCK/OFDM errors are
> below the low watermak threshold - which have been fixed at 300 and
> 400 respectively by the sytems team.
> 
> Raising the immunity level can be done when CCK/OFDM errors exceed
> 600 and 1000 (per second).
> 
> Set these values once during attach.
> ---
> diff --git a/drivers/net/wireless/ath/ath9k/ani.h b/drivers/net/wireless/ath/ath9k/ani.h
> index 78b9fa9..1088472 100644
> --- a/drivers/net/wireless/ath/ath9k/ani.h
> +++ b/drivers/net/wireless/ath/ath9k/ani.h
> @@ -21,11 +21,9 @@
>  
>  /* units are errors per second */
>  #define ATH9K_ANI_OFDM_TRIG_HIGH          3500
> -#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
>  
>  /* units are errors per second */
>  #define ATH9K_ANI_OFDM_TRIG_LOW           400
> -#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
>  
>  /* units are errors per second */
>  #define ATH9K_ANI_CCK_TRIG_HIGH           600
> 
With this patch, the raise-limit is always 3500, you should change it to
1000 when removing the above-/below-INI distinction.

- Felix
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