From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by dpdk.org (Postfix) with ESMTP id F41E55F54 for ; Mon, 6 Aug 2018 18:31:15 +0200 (CEST) Received: by mail-pg1-f195.google.com with SMTP id r1-v6so6452174pgp.11 for ; Mon, 06 Aug 2018 09:31:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=5TvHOxxhs149ljNp3fvbxoi0l5CUFN2HidiiQ/XtO0Y=; b=cJzSOM6BStxs1ITvgQj5594meXyUb8VFDjjuXyFnAwIDlmtBjQanN7asYe64kkGjwe YP3IJNOsASGsWUJ3FIpH8bKVmnlAZYVDK4REAhF1zkWa35FB/qpuw9P07JSIIhWYVbaC CI/CE/K6JGoBu/7W18LJOVgs8Ly/YeUpTzop0j9PF8907rlZ1TaqqsSBxhYhsCCW+BKu chQpfIgo2+GO4cCbCqtJvDUSovP8FxJjU3Z+fD9XXp8T566YffpFRt3KhGSm4G8DEMLu Rzeh1uhtmXYvUbcrDPq6h4wHReIJO1JNbZuMd/tb6EfudsUzYWe2UrwnhvQYOPL5vFLV 4pHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=5TvHOxxhs149ljNp3fvbxoi0l5CUFN2HidiiQ/XtO0Y=; b=mqqg89Ccus0KFzLJBOiB7rZ3ydH+jA3tOlQ8OXVqH6A55RN59pTxyFQSEQxQSGRsxm iLZmENY3xnVGrGLbMNwD7ZKegbZl3HN5Ay3buVYsbXadZowKCnfDwdtPR2J2dndlGyoR KHaNQ49bDqyPOJvlV8vl9JiLLXl9drx5+2i4x+oFxz0S+d18lTqchSTwf3JIVGKGTylK N1W4nD90qA12JlvCFATP/Xz5q7xHgQiybDZzR1dvvofzQweWq74eBEG+CgVqv7Tsjb82 ioejqMdhCOQIitvbschQYHHTBYPXX9R/0t///A7/ZjsnpKkdXhn60y1qjbx591oFXfsn fLzg== X-Gm-Message-State: AOUpUlFa6iRt3CuT3pn2yUTFa/ubDsJiLP41qLzPLP6644AdXrkoxsye QvS14cUmcGuh+ZtYE4pfWCzH64+yfbY= X-Google-Smtp-Source: AAOMgpcniFyEAJ7oQ+7OTswlGu4ug2XupBQEWYXyaLx9hbdiX20eWh0mmzLRGbCAo6AZcxeKbE90VQ== X-Received: by 2002:a63:6345:: with SMTP id x66-v6mr15324229pgb.43.1533573074754; Mon, 06 Aug 2018 09:31:14 -0700 (PDT) Received: from xeon-e3.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id l27-v6sm24578820pfi.180.2018.08.06.09.31.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 Aug 2018 09:31:13 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Stephen Hemminger Date: Mon, 6 Aug 2018 09:31:07 -0700 Message-Id: <20180806163107.23595-1-stephen@networkplumber.org> X-Mailer: git-send-email 2.18.0 Subject: [dpdk-dev] [PATCH] doc: clarify usage of netvsc PMD X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Aug 2018 16:31:16 -0000 Since netvsc PMD does not support SR-IOV accelerated networking, it is not recommended for use on Azure. Make this clear in the guide. Signed-off-by: Stephen Hemminger --- doc/guides/nics/netvsc.rst | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/doc/guides/nics/netvsc.rst b/doc/guides/nics/netvsc.rst index 0f033e3a3d63..93d6ec0146ad 100644 --- a/doc/guides/nics/netvsc.rst +++ b/doc/guides/nics/netvsc.rst @@ -6,7 +6,7 @@ Netvsc poll mode driver The Netvsc Poll Mode driver (PMD) provides support for the paravirtualized network device for Microsoft Hyper-V. It can be used with -Window Server 2008/2012/2016, Windows 10 and Azure cloud. +Window Server 2008/2012/2016, Windows 10. The device offers multi-queue support (if kernel and host support it), checksum and segmentation offloads. @@ -21,7 +21,7 @@ In this release, the hyper PMD driver provides the basic functionality of packet * The PMD supports multicast packets and promiscuous mode subject to restrictions on the host. In order to this to work, the guest network configuration on Hyper-V must be configured to allow MAC address - spoofing. This option is not available on Azure. + spoofing. * The device has only a single MAC address. Hyper-V driver does not support MAC or VLAN filtering because the Hyper-V host does not support it. @@ -33,9 +33,13 @@ In this release, the hyper PMD driver provides the basic functionality of packet * The maximum number of queues is limited by the host (currently 64). When used with 4.16 kernel only a single queue is available. -* This driver is intended for use with synthetic path only. - Accelerated Networking (SR-IOV) acceleration is not supported yet. - Use the VDEV_NETVSC device for accelerated networking instead. +.. note:: + This driver is intended for use with **Hyper-V only** and is + not recommended for use on Azure because accelerated Networking + (SR-IOV) is not supported. + + On Azure, use the :ref:`VDEV_NETVSC driver <./vdev_netvsc>` which + automatically configures the necessary TAP and failsave drivers. Installation @@ -88,7 +92,7 @@ operations: .. Note:: - The dpkd-devbind.py script should not be used. It only handles PCI devices. + The dpkd-devbind.py script can not be used since it only handles PCI devices. Prerequisites -- 2.18.0