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[37.4.251.159]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48317d2085asm63423095e9.1.2026.02.05.05.57.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Feb 2026 05:57:19 -0800 (PST) Message-ID: <237bee8b-a7cf-4c14-9946-8bf72dbddde5@cogentembedded.com> Date: Thu, 5 Feb 2026 14:57:16 +0100 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 net] net: renesas: rswitch: fix forwarding offload statemachine To: Michael Dege , Yoshihiro Shimoda , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: "netdev@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20260205-fix-offloading-statemachine-v1-1-640224a531d0@renesas.com> <3b1405cd-6c7f-4883-95fb-151cab223a68@cogentembedded.com> <25ff0841-545b-433a-8e88-6e463ea718e7@cogentembedded.com> Content-Language: en-US, ru-RU From: Nikita Yushchenko In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit >> Quite strange, is anything else logged? E.g. some messages from linux bridge layer? >> >> Nikita > > Here is the log from the version without "if else" > > [ 83.107759] renesas_eth_sw e6880000.ethernet tsn0: Link is Down > [ 83.108734] br0: port 1(tsn0) entered disabled state > [ 83.109669] renesas_eth_sw e6880000.ethernet tsn0: stopping hw learning > [ 83.110519] renesas_eth_sw e6880000.ethernet tsn0: stopping hw forwarding > [ 83.111405] renesas_eth_sw e6880000.ethernet tsn1: stopping hw forwarding The driver was originally designed to enable hardware forwarding when not less than two ports are in forwarding state. When only one port has hw forwarding, there is no destination to forward. Nikita