Re: [RFC] c_can: improve latency and avoid packet loss

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Marc,

for your convenience,
I pushed this to git@xxxxxxxxxx:kurt-vd/linux.git c_can-next

Kurt

On di, 17 dec 2019 13:16:24 +0100, Kurt Van Dijck wrote:
> Date:   Tue, 17 Dec 2019 13:16:24 +0100
> From: Kurt Van Dijck <dev.kurt@xxxxxxxxxxxxxxxxxxxxxx>
> To: linux-can@xxxxxxxxxxxxxxx
> Subject: [RFC] c_can: improve latency and avoid packet loss
> X-Mailer: git-send-email 1.8.5.rc3
> 
> This series is my attempt to make avoid packet loss on a D_CAN chip.
> 
> It consists of adding a manual mode to rx-offload, with a temporary queue
> for use during ISR.
> The c_can ISR is re-organized to use rx-offload in manual mode.
> 
> This reduced the packet loss on our product _almost_ completely.
> 
> Finally, I added the commits in can-next/c_can-more-objects.
> 
> I observed no more packet loss since (monitoring for +/- 6 weeks).
> Our product runs a v4.9 kernel, on which I tuned the code.
> This series is a forward-ported version of it, on top of can-next.
> 
> Kind regards,
> Kurt
> 
> 



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