From: Andrew Lunn <andrew@lunn.ch>
To: Michael Dege <michael.dege@renesas.com>
Cc: "Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Paul Barker" <paul@pbarker.dev>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"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-renesas-soc@vger.kernel.org,
linux-kernel@vger.kernel.org,
"Nikita Yushchenko" <nikita.yoush@cogentembedded.com>
Subject: Re: [PATCH v2 3/4] net: renesas: rswitch: add offloading for L2 switching
Date: Tue, 8 Jul 2025 23:52:30 +0200 [thread overview]
Message-ID: <49f58ebc-04cd-469a-9dcb-6a2a7e0ff0f7@lunn.ch> (raw)
In-Reply-To: <20250708-add_l2_switching-v2-3-f91f5556617a@renesas.com>
On Tue, Jul 08, 2025 at 11:27:39AM +0200, Michael Dege wrote:
> This commit adds hardware offloading for L2 switching on R-Car S4.
>
> On S4 brdev is limited to one per-device (not per port). Reasoning
> is that hw L2 forwarding support lacks any sort of source port based
> filtering, which makes it unusable to offload more than one bridge
> device. Either you allow hardware to forward destination MAC to a
> port, or you have to send it to CPU. You can't make it forward only
> if src and dst ports are in the same brdev.
>
> Signed-off-by: Michael Dege <michael.dege@renesas.com>
> Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Since you are submitting this, your Signed-off-by: should be last.
Andrew
next prev parent reply other threads:[~2025-07-08 21:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-08 9:27 [PATCH v2 0/4] net: renesas: rswitch: R-Car S4 add HW offloading for layer 2 switching Michael Dege
2025-07-08 9:27 ` [PATCH v2 1/4] net: renesas: rswitch: rename rswitch.c to rswitch_main.c Michael Dege
2025-07-08 21:55 ` Andrew Lunn
2025-07-09 4:51 ` Michael Dege
2025-07-08 9:27 ` [PATCH v2 2/4] net: renesas: rswitch: configure default ageing time Michael Dege
2025-07-08 21:56 ` Andrew Lunn
2025-07-08 9:27 ` [PATCH v2 3/4] net: renesas: rswitch: add offloading for L2 switching Michael Dege
2025-07-08 10:47 ` Simon Horman
2025-07-08 12:32 ` Michael Dege
2025-07-10 12:36 ` Michael Dege
2025-07-11 10:57 ` Simon Horman
2025-07-08 21:52 ` Andrew Lunn [this message]
2025-07-10 12:37 ` Michael Dege
2025-07-08 22:23 ` Andrew Lunn
2025-07-08 9:27 ` [PATCH v2 4/4] net: renesas: rswitch: add modifiable ageing time Michael Dege
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