From: Andrew Lunn <andrew@lunn.ch>
To: Vasilij Strassheim <v.strassheim@linutronix.de>
Cc: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Andrew Lunn <andrew+netdev@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org,
Martin Kaistra <martin.kaistra@linutronix.de>,
Benedikt Spranger <b.spranger@linutronix.de>
Subject: Re: [PATCH net-next v3 6/8] net: dsa: soce: Add basic support for SoC-e switch IP cores
Date: Wed, 30 Sep 2026 20:29:30 +0200 [thread overview]
Message-ID: <32624256-8462-490d-aa37-36ee2453362b@lunn.ch> (raw)
In-Reply-To: <4fe59faffa0bb322e68c9c4d43f0bc240a519eba.camel@linutronix.de>
> > Once all the setup is finished, what is the state of the switch?
> >
> > What we want is that the user ports are isolated from each other, and
> > can only exchange frames with the CPU. That makes the hardware
> > basically a port expander, and you do bridging in software. Later
> > patches can then add offload of bridging, and whatever else the
> > hardware can do, which Linux can also do in software.
>
> That is exactly the state I want to achieve after the setup.
Great. Just looking at the code, this is not obvious. Most switches
tend to default to all ports can talk to all ports, and you need to
tell it which port is the CPU port, and block everything else. So i
look for such code, and did not see anything here.
Andrew
next prev parent reply other threads:[~2026-09-30 18:29 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 10:39 [PATCH net-next v3 0/8] net: dsa: Add SoC-e DSA driver Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 1/8] dt-bindings: vendor-prefixes: Add soce Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 2/8] dt-bindings: net: Add SoC-e SWIP MDIO controller Vasilij Strassheim
2026-09-25 22:55 ` Andrew Lunn
2026-09-30 14:00 ` Vasilij Strassheim
2026-09-30 15:14 ` Andrew Lunn
2026-09-30 17:13 ` Vasilij Strassheim
2026-09-30 18:24 ` Andrew Lunn
2026-10-05 20:01 ` Vasilij Strassheim
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-07 7:43 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 3/8] dt-bindings: net: dsa: Add SoC-e SWIP switch Vasilij Strassheim
2026-09-25 23:05 ` Andrew Lunn
2026-09-30 17:16 ` Vasilij Strassheim
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-07 20:54 ` Rob Herring
2026-10-08 9:50 ` Vasilij Strassheim
2026-10-08 12:05 ` Andrew Lunn
2026-10-08 12:52 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 4/8] net: dsa: Add tag handling for SoC-e switches Vasilij Strassheim
2026-09-24 10:40 ` sashiko-bot
2026-09-25 12:46 ` Vasilij Strassheim
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-07 9:09 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 5/8] net: mdio: Add SoC-e SWIP MDIO controller driver Vasilij Strassheim
2026-09-24 10:40 ` sashiko-bot
2026-10-06 7:14 ` Vasilij Strassheim
2026-09-25 23:10 ` Andrew Lunn
2026-09-30 17:23 ` Vasilij Strassheim
2026-09-30 18:20 ` Andrew Lunn
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-07 9:31 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 6/8] net: dsa: soce: Add basic support for SoC-e switch IP cores Vasilij Strassheim
2026-09-25 23:17 ` Andrew Lunn
2026-09-30 17:26 ` Vasilij Strassheim
2026-09-25 23:20 ` Andrew Lunn
2026-09-30 18:15 ` Vasilij Strassheim
2026-09-30 18:29 ` Andrew Lunn [this message]
2026-09-30 18:49 ` Vasilij Strassheim
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-07 9:55 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 7/8] net: dsa: soce: Add VLAN offload support Vasilij Strassheim
2026-09-24 10:40 ` sashiko-bot
2026-10-06 12:52 ` Vasilij Strassheim
2026-09-25 23:32 ` Andrew Lunn
2026-09-30 18:32 ` Vasilij Strassheim
2026-09-27 12:28 ` netdev-bot+sashiko
2026-10-08 15:22 ` Vasilij Strassheim
2026-09-23 10:39 ` [PATCH net-next v3 8/8] net: dsa: soce: Disable unsupported hardware STP Vasilij Strassheim
2026-09-25 23:24 ` Andrew Lunn
2026-09-30 18:29 ` Vasilij Strassheim
2026-09-30 18:41 ` Andrew Lunn
2026-09-27 12:28 ` netdev-bot+sashiko
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