From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tetsuya Mukawa Subject: Re: [PATCH v12 2/2] vhost: Add VHOST PMD Date: Mon, 21 Mar 2016 14:41:54 +0900 Message-ID: <56EF89A2.1040603@igel.co.jp> References: <1457316434-19128-3-git-send-email-mukawa@igel.co.jp> <1458030701-11487-3-git-send-email-mukawa@igel.co.jp> <20160318122702.GA12932@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org, ann.zhuangyanying@huawei.com To: Bruce Richardson Return-path: Received: from mail-pf0-f177.google.com (mail-pf0-f177.google.com [209.85.192.177]) by dpdk.org (Postfix) with ESMTP id 200842C48 for ; Mon, 21 Mar 2016 06:41:57 +0100 (CET) Received: by mail-pf0-f177.google.com with SMTP id n5so251850475pfn.2 for ; Sun, 20 Mar 2016 22:41:57 -0700 (PDT) In-Reply-To: <20160318122702.GA12932@bricha3-MOBL3> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 2016/03/18 21:27, Bruce Richardson wrote: > On Tue, Mar 15, 2016 at 05:31:41PM +0900, Tetsuya Mukawa wrote: >> The patch introduces a new PMD. This PMD is implemented as thin wrapper >> of librte_vhost. It means librte_vhost is also needed to compile the PMD. >> The vhost messages will be handled only when a port is started. So start >> a port first, then invoke QEMU. >> >> The PMD has 2 parameters. >> - iface: The parameter is used to specify a path to connect to a >> virtio-net device. >> - queues: The parameter is used to specify the number of the queues >> virtio-net device has. >> (Default: 1) >> >> Here is an example. >> $ ./testpmd -c f -n 4 --vdev 'eth_vhost0,iface=/tmp/sock0,queues=1' -- -i >> >> To connect above testpmd, here is qemu command example. >> >> $ qemu-system-x86_64 \ >> >> -chardev socket,id=chr0,path=/tmp/sock0 \ >> -netdev vhost-user,id=net0,chardev=chr0,vhostforce,queues=1 \ >> -device virtio-net-pci,netdev=net0,mq=on >> >> Signed-off-by: Tetsuya Mukawa >> Acked-by: Ferruh Yigit >> Acked-by: Yuanhan Liu >> Acked-by: Rich Lane >> Tested-by: Rich Lane > Hi Tetsuya, > > I hope to get this set merged for RC2 very soon. Can you provide an update for > the nic overview.rst doc listing out the features of this new PMD. If you want, > you can provide it as a separate patch, that I will merge into this one for you > on apply to next-net. > > If you do decide to respin this patchset with the extra doc, please take into > account the following patchwork issues also - otherwise I'll also fix them on > apply: > > WARNING:STATIC_CONST_CHAR_ARRAY: static const char * array should probably be static const char * const > #364: FILE: drivers/net/vhost/rte_eth_vhost.c:56: > +static const char *valid_arguments[] = { It seems this is false positive. So I will leave it. Regards, Tetsuya