From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7EB493D9045 for ; Thu, 5 Feb 2026 13:57:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770299841; cv=none; b=pRQ3lYGtzWRnOmjRQOrrf0Gkmep4zO8/8BkXerkC2Ec0tsmHraYDBK4dUzKs+qjsORcs3ZLiIy8VV1Dxd+tzXm2G4seEyNtQOknIh6eBgddWLBiJQhwzfzxyjNGbFAg1B+zNlBItpT7BkT9S0jM2GklTpjGjS07d/03yw0+vGCQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770299841; c=relaxed/simple; bh=zXTe+BYDJ+Z/ekQAgc+SG6itGOz1xj6zpkfaFjywm7U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ch35G5SQ0RUVidu2A6kS4V1p70J52RRbiyIRoQ4v3UCcc+J6aZA85sz8QgqHCdj8GA2TolBiVXnbDJcZ/x6N1FPmOjk4lNyxbV87ZZH0Sfq6/1pM+A+eBSCUkV/CsF6nF0TeL4te+Dped1oXMN0fpouCda/kXNk/UTkOfK1RP1k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cogentembedded.com; spf=pass smtp.mailfrom=cogentembedded.com; dkim=pass (2048-bit key) header.d=cogentembedded-com.20230601.gappssmtp.com header.i=@cogentembedded-com.20230601.gappssmtp.com header.b=W94ksg2a; arc=none smtp.client-ip=209.85.128.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cogentembedded.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cogentembedded.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cogentembedded-com.20230601.gappssmtp.com header.i=@cogentembedded-com.20230601.gappssmtp.com header.b="W94ksg2a" Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4806f3fc50bso10988065e9.0 for ; Thu, 05 Feb 2026 05:57:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded-com.20230601.gappssmtp.com; s=20230601; t=1770299840; x=1770904640; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=//Oz6Yho5HmPa1EIIL5aLcfVNr7sW1OS3X7pkoStOfY=; b=W94ksg2aMQVp/wHtRbkRa6pSHVwT7qOfk/wtu8OoawW1AE9Ms2S56tB1EqIliS/V7X bKBznGzd7v7ej4JqHiY4VvsjSP71+3SWFo/whvx1SIF29QFfm0bZ/w3A6DWaMar42o/j rP9Stgo2AMoAn6PfPAqfG46yPO557ImnVblgzoWiAdcpTEJ7+eA683CIqAcmPNe2t8wz kxgEApDYaJBvSrvf3FnvY58CBxq/JFr/WHI9uluSMIa250TYA8zrKubCQ3FFIVktUZed v45PW6LS5Hi+TOEzr7+cAYl1hY/NtpXQPRbpsINC+KOLuSvhgburFeYl3SD1PufEOTDQ lZFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770299840; x=1770904640; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=//Oz6Yho5HmPa1EIIL5aLcfVNr7sW1OS3X7pkoStOfY=; b=NazTy4adKc+liyooGz+/m9gcu0kTPwxQ0QDMedZbRUP9CjoV/7SpgpARzb1HV2CAlm WrAHA5NWYkh57NhEns34r3jLuy9IRgTGgHVJCno0RARDmzWlsX6jHQ56Arsmicr1dkDK aECDoF/dL3MwBXuWMID/pZO4am1esXJ7oMrhyoN/ZTNxY5b+pp64D3y40FxHcvMjER+v SXEzizX1awduGVlucq+vtws7WiGO5nJ+zyFUarchZscDeVNd+91oBbG3Ilr4lnp8kxbE +Zzj73xzar2C1pf1tHwRja7LAoGRmx/iK70HTFTNgVkEyEiGL+nr+N0CKNar8oRQFDvh wVjw== X-Gm-Message-State: AOJu0Yx+9F8appR+9kGU6i2kbkRqYAwNUk4ZoG+g+AYuSCKERz3Pi8UY vQbeRt6JRsQHQyum8MrqFAvpOwDV3Y95E2fKZoNmtBwHX7z2QQW46ZplUIvfodbbTZI= X-Gm-Gg: AZuq6aJPijqUBp7YS6nHkpJVaIBu2f4760Mc5HXs6gyqtr1Fu9xyX46Q5yTa+dsi21E oKSo9v+TuDAfKtB0GtXCsNNuamXzItG+8BhlQES0X8UEfw/FtR4sHrOfkyXug3IlEi1o0+IEWdv /TH3SDXbXGf1uNXZO9rUsCEu3lizOkc9H6KAg2oZ3FEDDrWTP9Y9FCL1xgYywaWBShPrChsBC4Y DXTDvUibGEryqWeFE0zMk5XthnDqEqJW713L9w3UQpAUh9+0q6egE43PMkqkjL/KVieWu7PYkrV IxFQ3TRByFLs6hLsxUVH60aLEMil0H68MseD8CVcNFrfLie9BCZD3deJ/zigmqoAc/LqKIFna51 uE6aQoWG71Ot/rVnMd9MmIi5SataZHTzB7G0x0KjBJGaBDec8QeEi1H0lgYUzY/geQcQHRC5aXa G5sdYPnThM0iFlFrPC0jJV0QvXZmUyHYYI+E1amHQMNQ3CdMk2u16ocn6RPuf9GBzYYADvqg== X-Received: by 2002:a05:600c:3e0d:b0:46e:59bd:f7d3 with SMTP id 5b1f17b1804b1-4830e96fb0cmr74468735e9.20.1770299840013; Thu, 05 Feb 2026 05:57:20 -0800 (PST) Received: from [192.168.1.2] (ip2504fb9f.dynamic.kabel-deutschland.de. [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: netdev@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