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

Ramon Fried ramon.fried at gmail.com
Fri Jul 24 09:43:10 EDT 2020


Yes. small glitch. sorry.


On Fri, Jul 24, 2020 at 4:12 PM Kalle Valo <kvalo at codeaurora.org> wrote:
>
> 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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> --
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches



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