From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D5A6328602 for ; Thu, 16 Oct 2025 10:16:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760609795; cv=none; b=Q69/wzZgWByvGf+wbjJGuVGgDQmqM485qH8JlaRXlJEBMPjCcdPDFEsWc3wMchxEiKb41X2f6JNPy8ERVFH6w1r9X/LZRTF+cBbFPfyvv1aOf5iqWSuCogp73fJILou99rg91VoAuVWZoEdhyPk2X+3VUEJyrsHDqUNjD9oHgpA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760609795; c=relaxed/simple; bh=Q3VMfx1DBKPHN0a3ujAbnrAfQOBlIX69RH96Nelu9KE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: In-Reply-To:Content-Type:Content-Disposition; b=QQ5Tm8TxH7+7jaNzSaFf/GJ4UhtBWgpv/97fTH3MYuVA1NVj5E7bbw8RPovx0qdgGWKg8Wc4hH5xqnVpu6SWQelE4RdXYcDNhRVClP/JyRam/MdTwLNwE7mVttcRhZSjVnkKBEqu+nh+7ZzRr4EiaaqDDS13AY5keWak6Lt1eh0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=G1cNY/9W; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="G1cNY/9W" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760609792; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=j1EBciwFxEdcJ+KaiRIs9BGXopFe3yBuqledXRhZohA=; b=G1cNY/9Wgj1mGtJAGQbqYFIkgSxUaF6MQinS2TH+uNS/GxoKu3w+kGgFYGLSLB3Ia3453e 9GHl4vUXVkX9wWt2VKHJHIcseI2rytjifmVJhoZlPhRyN3tgF80h3/dmnivNW5DSgiLRb0 eWbu+Nobc94cl37kmeu3eEHSz8OchIo= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-648-cT-79TEIMjWMao4YutJZGw-1; Thu, 16 Oct 2025 06:16:31 -0400 X-MC-Unique: cT-79TEIMjWMao4YutJZGw-1 X-Mimecast-MFC-AGG-ID: cT-79TEIMjWMao4YutJZGw_1760609790 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-47111dc7c35so9810175e9.2 for ; Thu, 16 Oct 2025 03:16:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760609789; x=1761214589; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=j1EBciwFxEdcJ+KaiRIs9BGXopFe3yBuqledXRhZohA=; b=Vj0jbkqnS+Pr8xIAY3ZwxUZfestN0Rdz8G8ptHX0b83vSKNKSEz4akKBB2GYKr5zlQ UWx5MrUP93HNJOCGPLb1WJRR+Zy5kcSscM1yUqOJ0L2LpBi0IfxcIgrQ7zl0ZHAj+9LQ JIbysCSgk/aNCUzl8rcsaEkzcHgxlPLWlDpp+e2uwmER+f2S0PZy74pTiBkzuhyxMSfB 6RBpwxDLfKCzdruiXhkURiEOnwUt+2okqUj937/nS9ZdyA2F090qV4U/tvPnBSnvNKQW 8X8toyOVSfJXblYnICGgCoqRazzoP2AvbHU6j5OM+MAwIAbseTORiuqHQCFxW2R/YT1Y kTnQ== X-Gm-Message-State: AOJu0YzoTk2pb+cUnebd5og1tDT4AGhAY2ElkQHNqKZ1TzpQjemsRxTN QjMaaXGsqhbeuyp6T/A4cDO/dNbYrAyIZpQx+S+25wIj/M2xq4U/6UI+lMRwQKYVC1B2Mrc42sQ WP8l+VxZe90q1dO7zQyYkVsOj8JXzRn4FzEG+diySTT3uDlQI7aWcPMQtLdihS5Bog+PWvmDNSC W9 X-Gm-Gg: ASbGncsYJ8NJ5wemrwXogn33Ho0TQxSedu7xl89orBpOEyCwraVSU5M7cB/zjmJPNTN HyYnaLz++tJ+NLSB48PfOp1J6EONSUJwJgEstjf8XvJ9XVv3FNfUUxxITY/Hz4Kj3h4okomOytP 1IPsKF9osHEZCQqp+nyFFcgLAekL17ofKdGrIyN4kqjl4aXYvaKf9pS5/k357T23yVP23FlkuFn 3SDck6pE9OV2Tvj6AhOvmYAvvV84WcUs0G/LwNy51giJjG5neFDpe3Pyx7BubtaXTkw9/4WpzH4 /m5F5XhjaG/xcKsoS/mCae4U+efKdvHFG0lJCNcZOfcespO+C/4vuTk04nyKmHd3 X-Received: by 2002:a05:600c:4753:b0:46e:1d8d:cfb6 with SMTP id 5b1f17b1804b1-46fa9af0621mr242227495e9.19.1760609789549; Thu, 16 Oct 2025 03:16:29 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH477Bcm6rt690qcUrxpGeGUQhNeneETkdGg+JtdUt+/XqdsDxECdGykH0+qkO6Ac7T+EwM8w== X-Received: by 2002:a05:600c:4753:b0:46e:1d8d:cfb6 with SMTP id 5b1f17b1804b1-46fa9af0621mr242227195e9.19.1760609789146; Thu, 16 Oct 2025 03:16:29 -0700 (PDT) Received: from redhat.com ([77.137.36.182]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4711444e3fesm18484505e9.15.2025.10.16.03.16.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Oct 2025 03:16:28 -0700 (PDT) Date: Thu, 16 Oct 2025 06:16:26 -0400 From: "Michael S. Tsirkin" To: Jason Wang Cc: virtio-comment@lists.linux.dev, lulu@redhat.com, nguyenlienviet@google.com Subject: Re: [PATCH] virtio-net: introduce TSO limit feature Message-ID: <20251016061550-mutt-send-email-mst@kernel.org> References: <20251014042243.22087-1-jasowang@redhat.com> <20251014044005-mutt-send-email-mst@kernel.org> <20251015024018-mutt-send-email-mst@kernel.org> <20251016021820-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: virtio-comment@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: jmdcdaDcCQvIN4e3IiJ9nJcPOpvHXRq6UHNHW_XCKhc_1760609790 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Oct 16, 2025 at 02:22:53PM +0800, Jason Wang wrote: > > Wait a second this does not make any sense. Bridge disables tso, > > it only works with gso. > > > > I don't understand here, we have used similar setups for a very long > time and TSO works well? My bad, I was thinking about LRO/GRO. -- MST