Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33;
MIME-Version: 1.0
References: <20231030-fix-rtl8366rb-v2-1-e66e1ef7dbd2@linaro.org>
 <20231030141623.ufzhb4ttvxi3ukbj@skbuf> <CACRpkdaN2rTSHXDxwuS4czCzWyUkazY4Fn5vVLYosqF0=qi-Bw@mail.gmail.com>
 <20231030222035.oqos7v7sdq5u6mti@skbuf> <CACRpkdZ4+QrSA0+JCOrx_OZs4gzt1zx1kPK5bdqxp0AHfEQY3g@mail.gmail.com>
 <20231030233334.jcd5dnojruo57hfk@skbuf>
In-Reply-To: <20231030233334.jcd5dnojruo57hfk@skbuf>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Tue, 31 Oct 2023 15:16:50 +0100
Message-ID: <CACRpkdbLTNVJusuCw2hrHDzx5odw8vw8hMWvvvvgEPsAFwB8hg@mail.gmail.com>
Subject: Re: [PATCH net v2] net: dsa: tag_rtl4_a: Bump min packet size
To:     Vladimir Oltean <olteanv@gmail.com>
Cc:     Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Tue, Oct 31, 2023 at 12:33=E2=80=AFAM Vladimir Oltean <olteanv@gmail.com=
> wrote:
> On Mon, Oct 30, 2023 at 11:57:33PM +0100, Linus Walleij wrote:
> > Here you can incidentally also see what happens if we don't pad the big=
 packets:
> > the packet gets truncated.
>
> Are we sure we are debugging a switch problem? On how many platforms
> with the RTL8366RB can the issue be seen? Is the conduit interface the
> same on all these platforms, or is it different and that makes no
> difference?

I don't have any other RTL8366RB systems than the D-Link DIR-685.

I however have several systems with the same backing ethernet controller
connected directly to a PHY and they all work fine.

Yours,
Linus Walleij