After a timeout event caused by for example a broadcast storm, when
the MAC and PHY are reset, the BQL TX queue needs to be reset as
well. Otherwise, the device will exhibit severe performance issues
even after the storm has ended.
Co-authored-by: David Gounaris
Signed-off-by: Mathias Thore
---
Hi,
Le 28/01/2019 à 10:07, Mathias Thore a écrit :
After a timeout event caused by for example a broadcast storm, when
the MAC and PHY are reset, the BQL TX queue needs to be reset as
well. Otherwise, the device will exhibit severe performance issues
even after the storm has ended.
What are th
;
linuxppc-dev@lists.ozlabs.org; David Gounaris; Joakim Tjernlund
Subject: Re: [PATCH] ucc_geth: Reset BQL queue when stopping device
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t: Monday, January 28, 2019 10:48 AM
> To: Mathias Thore; leoyang...@nxp.com; net...@vger.kernel.org;
> linuxppc-dev@lists.ozlabs.org; David Gounaris; Joakim Tjernlund
> Subject: Re: [PATCH] ucc_geth: Reset BQL queue when stopping device
>
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> From: Christophe Leroy
> Sent: Monday, January 28, 2019 10:48 AM
> To: Mathias Thore; leoyang...@nxp.com; net...@vger.kernel.org;
> linuxppc-dev@lists.ozlabs.org; David Gounaris; Joakim Tjernlund
> Subject: Re: [PATCH] ucc_geth: Reset BQL queue when stopping de
c-dev@lists.ozlabs.org; David Gounaris ;
> Joakim Tjernlund
> Subject: Re: [PATCH] ucc_geth: Reset BQL queue when stopping device
>
> On Mon, Jan 28, 2019 at 8:37 AM Mathias Thore
> wrote:
> >
> > Hi,
> >
> >
> > This is what we observed: there was
From: Mathias Thore
Date: Tue, 29 Jan 2019 08:07:54 +
> Is there a scenario where we are clearing the TX ring but don't want to reset
> the BQL TX queue?
>
> I think it makes sense to keep it in ucc_geth_free_tx since the
> reason it is needed isn't the timeout per se, but rather the
> clea
From: Mathias Thore
Date: Mon, 28 Jan 2019 10:07:47 +0100
> After a timeout event caused by for example a broadcast storm, when
> the MAC and PHY are reset, the BQL TX queue needs to be reset as
> well. Otherwise, the device will exhibit severe performance issues
> even after the storm has ended.
