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Message-ID: <c37feb621fa3f7867af8d97ffe36f577966ba3ec.camel@redhat.com>
Subject: Re: [PATCH net] net: stmmac: xgmac: fix safety error descriptions
From: Paolo Abeni <pabeni@redhat.com>
To: Furong Xu <0x1207@gmail.com>, Serge Semin <fancer.lancer@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>, Alexandre Torgue
 <alexandre.torgue@foss.st.com>, Jose Abreu <joabreu@synopsys.com>, Eric
 Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Maxime
 Coquelin <mcoquelin.stm32@gmail.com>, Joao Pinto <jpinto@synopsys.com>,
 Simon Horman <horms@kernel.org>, netdev@vger.kernel.org, 
 linux-stm32@st-md-mailman.stormreply.com,
 linux-arm-kernel@lists.infradead.org,  linux-kernel@vger.kernel.org,
 xfr@outlook.com, rock.xu@nio.com
Date: Thu, 25 Jan 2024 11:09:06 +0100
In-Reply-To: <20240125103454.0000312a@gmail.com>
References: <20240123085037.939471-1-0x1207@gmail.com>
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On Thu, 2024-01-25 at 10:34 +0800, Furong Xu wrote:
> On Wed, 24 Jan 2024 17:25:27 +0300
> Serge Semin <fancer.lancer@gmail.com> wrote:
>=20
> > On Tue, Jan 23, 2024 at 04:50:37PM +0800, Furong Xu wrote:
> > > Commit 56e58d6c8a56 ("net: stmmac: Implement Safety Features in
> > > XGMAC core") prints safety error descriptions when safety error asser=
t,
> > > but missed some special errors, and mixed correctable errors and
> > > uncorrectable errors together.
> > > This patch complete the error code list and print the type of errors.=
 =20
> >=20
> > The XGMAC ECC Safety code has likely been just copied from the DW GMAC
> > v5 (DW QoS Eth) part. So this change is partly relevant to that code to=
o. I
> > can't confirm that the special errors support is relevant to the DW
> > QoS Eth too (it likely is though), so what about splitting this patch
> > up into two:
> > 1. Elaborate the errors description for DW GMAC v5 and DW XGMAC.
> > 2. Add new ECC safety errors support.
> > ?
> >=20
> > On the other hand if we were sure that both DW QoS Eth and XGMAC
> > safety features implementation match the ideal solution would be to
> > refactor out the common code into a dedicated module.
> >=20
> > -Serge(y)
> >=20
>=20
> Checked XGMAC Version 3.20a and DW QoS Eth Version 5.20a, the safety erro=
r
> code definitions are not identical at all, they do have some differences,
> about more than 20 bits of status register are different.
> I think we should just leave them in individual implementations.

@Serge: given the above, would you still advice for splitting this
patch into 2?

Thanks,

Paolo