From owner-freebsd-virtualization@freebsd.org Sat Nov 5 19:24:33 2016 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C48B7AF7540 for ; Sat, 5 Nov 2016 19:24:33 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: from mail-pf0-x232.google.com (mail-pf0-x232.google.com [IPv6:2607:f8b0:400e:c00::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 96162C44 for ; Sat, 5 Nov 2016 19:24:33 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: by mail-pf0-x232.google.com with SMTP id 189so69991191pfz.3 for ; Sat, 05 Nov 2016 12:24:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=bPKUGjn8k1h4IFtfd0lqn6v4sBnz3qoeylXdOz53r0g=; b=Yqphbr9RB89LHzWXQTMBzhyB+3dDXB9v1PQgKJtY/8YQ/8KiYRnXJ2TH4FFPZYjldJ 8FnMCFUtN7PSwxdHZDblv7sjkCTWMrwVwToM9aVI5JLNNpDod/MBV2YOhR5AZWqz+9PF 2H4Kd8cug54nm7u6yjBfuBVg/UDP0Agmh91yjX+hROu6TtkubyRFEHDaoEpcHsJpjW24 nLGQXtUbbZnj/79OQZlmF60T7UBpn2LPoIP8yO/ujitrwE8hML2XAN31VrFJAPQWkU20 4K/4o18j5dqbOVvAHFx3+yqZjHnHu4mlxqdc6raTAU+5Bxez87VRPJahero5j0vUSVZk tZRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=bPKUGjn8k1h4IFtfd0lqn6v4sBnz3qoeylXdOz53r0g=; b=i1ZPzKTK3rlb9tf3Ya4Dy7bkeowHunuBO4UVk8rAacgUwj64K0x0yWvg5qDGlpm3Lo 1cNp9PrMDSXgzXicBekoLEbIZk5Hf8nTAnQg1QSWnXzyDZ4KpdNP2bBhFcgj6F4lKPfk hyZqRFyF4z4Sa8O06//r6tWqIlMmxZzJ5c4EezZ9fOOU9ZnfJFCV1xSL3kkSIp3PXs7A 5NYONnnlfvAAJDgZjTsKhbTNH5Ch1z+K9KH7ZCFKKj5HeTXHYJa1IlF7WdIbTY4qUAR3 +GZ8mQSuCKQNG/P+y72kO9GTH9e1FwELxAXRMNV9EaCZo8leMl57JJe503B8QMWpxkM0 4oqA== X-Gm-Message-State: ABUngvdU0WJyQMCUelBetZNmUI3B7Pv6Rec4PnjKKC06vq9sH/n6gZ8YwBVojRZ10bM8fg== X-Received: by 10.98.35.140 with SMTP id q12mr38106021pfj.180.1478373873095; Sat, 05 Nov 2016 12:24:33 -0700 (PDT) Received: from ?IPv6:2601:2c2:200:12c7:202:c9ff:fe4e:1dc0? ([2601:2c2:200:12c7:202:c9ff:fe4e:1dc0]) by smtp.gmail.com with ESMTPSA id r10sm29396173paw.2.2016.11.05.12.24.31 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 05 Nov 2016 12:24:32 -0700 (PDT) To: freebsd-virtualization@FreeBSD.org From: Rajil Saraswat Subject: Bhyve and Poor network speed with Intel X540-AT2 Message-ID: <9fe097c5-c2ef-fda6-8b99-b4e4d7afff05@gmail.com> Date: Sat, 5 Nov 2016 14:24:29 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Nov 2016 19:24:33 -0000 Hello, I am running debian8 in a bhyve instance. The host has a 10g network and uses Intel X540-AT2 NIC. The guest has a poor network speed in the order of 2-3 kBps. However, if i disable the hardware offload features of the NIC it brings the host speed from 10g to 1g, and bhyve shows 1g speed as well. I use the following in rc.conf ifconfig_ix0="-rxcsum -txcsum -vlanmtu -vlanhwtso -tso4 -tso6 -vlanhwtso -vlanhwcsum up" Is there anyway around to get 10g speed on host and better speed in the vm simultaneously? Thanks Rajil