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SubjectRE: [PATCH net-next 3/3] net: stmmac: Introducing support for Page Pool
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From: Jon Hunter <jonathanh@nvidia.com>
Date: Jul/25/2019, 15:25:59 (UTC+00:00)

>
> On 25/07/2019 14:26, Jose Abreu wrote:
>
> ...
>
> > Well, I wasn't expecting that :/
> >
> > Per documentation of barriers I think we should set descriptor fields
> > and then barrier and finally ownership to HW so that remaining fields
> > are coherent before owner is set.
> >
> > Anyway, can you also add a dma_rmb() after the call to
> > stmmac_rx_status() ?
>
> Yes. I removed the debug print added the barrier, but that did not help.

So, I was finally able to setup NFS using your replicated setup and I
can't see the issue :(

The only difference I have from yours is that I'm using TCP in NFS
whilst you (I believe from the logs), use UDP.

You do have flow control active right ? And your HW FIFO size is >= 4k ?

---
Thanks,
Jose Miguel Abreu
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