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Re: [PATCH] brcmfmac: reserve tx credit only when txctl is ready to send

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Wright Feng <wright.feng@xxxxxxxxxxx> wrote:

> The 4329 throughput drops from 40.2 Mbits/sec to 190 Kbits/sec in 2G
> 11n mode because the commit b41c232d33666 ("brcmfmac: reserve 2 credits
> for host tx control path"). To fix the issue, host driver only reserves
> tx control credit when there is a txctl frame is pending to send. And
> we also check available credit by using "not equal to 0" instead of
> "greater than 0" because tx_max and tx_seq are circled positive numbers.
> 
> Reported-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> Fixes: b41c232d33666 ("brcmfmac: reserve 2 credits for host tx control path")
> Signed-off-by: Wright Feng <wright.feng@xxxxxxxxxxx>
> Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx>

Patch applied to wireless-drivers.git, thanks.

9a2a0862d973 brcmfmac: reserve tx credit only when txctl is ready to send

-- 
https://patchwork.kernel.org/patch/11711809/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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