[PATCH] wcn36xx: Setup starting bitrate to MCS-5
Kalle Valo
kvalo at codeaurora.org
Thu Aug 27 06:14:38 EDT 2020
Loic Poulain <loic.poulain at linaro.org> wrote:
> By default, after associated to an AP, the wcn36xx bitrate adjustment
> algorithm starts sending data at 1Mbps, and increases the rate slowly
> (1Mbps, 2Mbps, 6Mbps...) over the further TX packets.
>
> Starting at 1Mbps usually causes the initial throughput to be really
> low and the maximum possible bitrate to be reached after about hundreed
> of TX packets.
>
> That can be improved by setting a different initial bitrate for data
> packets via the ENABLE_DYNAMIC_RA_START_RATE configuration value, this
> value can be a legacy or MCS rate.
>
> This patch sets the starting bitrate value to MCS-5, which seems to be
> a good compromise given it can be quickly adjusted low or up if necessary.
> (and based on what I observed in the wild with some mobile devices)
>
> Signed-off-by: Loic Poulain <loic.poulain at linaro.org>
> Signed-off-by: Kalle Valo <kvalo at codeaurora.org>
Patch applied to ath-next branch of ath.git, thanks.
1fcdb567df1b wcn36xx: Setup starting bitrate to MCS-5
--
https://patchwork.kernel.org/patch/11735209/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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