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([2a02:810a:b98:a000::f225]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae3f66d91cdsm137351766b.22.2025.07.04.02.05.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 04 Jul 2025 02:05:14 -0700 (PDT) Message-ID: <79a57427-fd4a-4b9a-a081-cf09b649a20e@cogentembedded.com> Date: Fri, 4 Jul 2025 11:05:14 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] net: renesas: rswitch: R-Car S4 add HW offloading for layer 2 switching To: Andrew Lunn , Michael Dege Cc: Yoshihiro Shimoda , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , Paul Barker , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250704-add_l2_switching-v1-0-ff882aacb258@renesas.com> <4310ae08-983a-49bb-b9fe-4292ca1c6ace@lunn.ch> Content-Language: en-US, ru-RU From: Nikita Yushchenko In-Reply-To: <4310ae08-983a-49bb-b9fe-4292ca1c6ace@lunn.ch> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit > Looking at the code, it is not clear to me what would happen with: > > ip link add name br0 type bridge > ip link set dev tsn0 master br0 > ip link set dev br0 up > ip link set dev tsn0 up > ip link add name br1 type bridge > ip link set dev tsn1 master br1 > ip link set dev br1 up > ip link set dev tsn1 up Per design, it shall enable hardware forwarding when two ports are in the same brdev.