From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90383C433F5 for ; Tue, 18 Jan 2022 04:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231817AbiARE6v (ORCPT ); Mon, 17 Jan 2022 23:58:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229543AbiARE6v (ORCPT ); Mon, 17 Jan 2022 23:58:51 -0500 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D003C061574 for ; Mon, 17 Jan 2022 20:58:51 -0800 (PST) Received: by mail-pj1-x102c.google.com with SMTP id w12-20020a17090a528c00b001b276aa3aabso1235025pjh.0 for ; Mon, 17 Jan 2022 20:58:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/v3qEXPklfS/QqpPeVJWwAZVwQgNj+u+BpV3m65eLfU=; b=dwTjfz39hodOz8U4Un67tz2P3W1J44R8KbQ7xJSMiCnc9vohvdgdQho7JXwhU8X2jy U6qF+w5HInLRfPwOhd1ascg1mwfUSfeNgNXNV6VhzgAkEEDsiVniF1Jd6WXU3lxkKCPy xzRo7cOoAJAwhsME5p80hWsoHtWVWFSqJt0D/J7dBq2ArqcUkoQr2pDZ3BdDsHYkhMMo S246YMPB/bHsVO1iESM+naolAopoug52l7wBVS9mYRGMITTDQzPJ9KtcS0qSNrK6OWHS neR3e49bMmEjClB6vmZUzEB7QAtEhe6Mee0MVmRr1vuC5zgfNhva1ff4Q/rGJDv1rnQw Gqsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/v3qEXPklfS/QqpPeVJWwAZVwQgNj+u+BpV3m65eLfU=; b=JbVfLaYwrmtNkCt+WqTQQWNJDhXYkf0mOcXaF7u9cSXA7QAMUa88iXUzwplufaSIrx yzEAbCBVPEsjxAkNDYjRPIorKP7LfhasR5AYhSAha2qMa1BwR7W1XR9adAsHpzqIRF6N C/3WEGt8aWn092lDtqmsuRaMcXhB+VsIWyixRI+zUP8qzTuums98MHfQQ0vv8VOJkEPv QAEx+C4HFM/kIQhm+D2koehGnQxxfjEiMjJkgCACIciyyFE6vwpICzTb2xJXdXPCZQzV nItoe12PsGGfKgRtR9xHMI4zvp1VSIrJxSvFjQtBgtoFXrxpJ7bAVuAAjBKoSo0HUv1m wK0w== X-Gm-Message-State: AOAM532kpxDJ1SZIBWQLLrPA1eU0ql9tk064OPD265ZVBki8ptXVWY7+ H/eMdv+StivuCfk7xHhU79XU7hUvZaDGiYRcr1Q= X-Google-Smtp-Source: ABdhPJyxvrwuG7nyIF2MVWi9iqIXiqGXSu0ZASupEzHO85OQN5zy+hTkQXFkxZnWEEMeK2fpWsiC7aOaSozMZiq9/mA= X-Received: by 2002:a17:902:8544:b0:14a:bea3:1899 with SMTP id d4-20020a170902854400b0014abea31899mr7562035plo.143.1642481930272; Mon, 17 Jan 2022 20:58:50 -0800 (PST) MIME-Version: 1.0 References: <20220105031515.29276-1-luizluca@gmail.com> <20220105031515.29276-12-luizluca@gmail.com> <87ee5fd80m.fsf@bang-olufsen.dk> <87r19e5e8w.fsf@bang-olufsen.dk> <87v8ynbylk.fsf@bang-olufsen.dk> In-Reply-To: From: Luiz Angelo Daros de Luca Date: Tue, 18 Jan 2022 01:58:39 -0300 Message-ID: Subject: Re: Re: Re: Re: [PATCH net-next v4 11/11] net: dsa: realtek: rtl8365mb: multiple cpu ports, non cpu extint To: Frank Wunderlich Cc: =?UTF-8?Q?Alvin_=C5=A0ipraga?= , "netdev@vger.kernel.org" , "linus.walleij@linaro.org" , "andrew@lunn.ch" , "vivien.didelot@gmail.com" , "f.fainelli@gmail.com" , "olteanv@gmail.com" , "arinc.unal@arinc9.com" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > the problem is checksum offloading on the gmac (soc-side) I suggested it might be checksum problem because I'm also affected. In my case, I have an mt7620a SoC connected to the rtl8367s switch. The OS offloads checksum to HW but the mt7620a cannot calculate the checksum with the (EtherType) Realtek CPU Tag in place. I'll try to move the CPU tag to test if the mt7620a will then digest the frame correctly. Regards,