[PATCH v2 3/6] wcn36xx: Increase number of TX retries

Kalle Valo kvalo at codeaurora.org
Fri Jul 24 09:12:39 EDT 2020


Ramon Fried <ramon.fried at gmail.com> writes:

> On Fri, Jul 24, 2020 at 1:15 PM Loic Poulain <loic.poulain at linaro.org>
> wrote:
>
>     Increase the short/long retry limit to 15 in order to impove TX
>     robustness in noisy/busy environment. 15 is the default value
>     defined in the downstream driver. Observed number of ack timeout
>     is reduced with this change.
>     
>     Signed-off-by: Loic Poulain <loic.poulain at linaro.org>
>     ---
>     drivers/net/wireless/ath/wcn36xx/smd.c | 4 ++--
>     1 file changed, 2 insertions(+), 2 deletions(-)
>     
>     diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c
>     b/drivers/net/wireless/ath/wcn36xx/smd.c
>     index 59f9f53..908cc6c 100644
>     --- a/drivers/net/wireless/ath/wcn36xx/smd.c
>     +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
>     @@ -45,8 +45,8 @@ static struct wcn36xx_cfg_val wcn36xx_cfg_vals[]
>     = {
>     WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000),
>     WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64),
>     WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347),
>     - WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6),
>     - WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6),
>     + WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 15),
>     + WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 15),
>     WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000),
>     WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5),
>     WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10),
>     -- 
>     2.7.4
>     
>     
>     
>
> These set of patches fixed my connectivity issues with TP-Link DECO
> routers. 
> Acked-By: Ramon Fried <rfried.dev at gmail.com> 

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