From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <thomas@monjalon.net> Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) by dpdk.org (Postfix) with ESMTP id 592311B160 for <dev@dpdk.org>; Thu, 30 Nov 2017 22:45:00 +0100 (CET) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id C91D3209CD; Thu, 30 Nov 2017 16:44:59 -0500 (EST) Received: from frontend2 ([10.202.2.161]) by compute1.internal (MEProxy); Thu, 30 Nov 2017 16:44:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=mesmtp; bh=/wVPeY1vwTg1BTcajHENffvbV9 HgXNx8tGj1kCv0sPc=; b=Cz2MW11bFKJv29pfS4XfNvbfXUTgv26i7WXC6h7hTk 1m+UZRUKuV4ypMI6ZbFaXkm0Yte5zMkFN4ogzR6zwffBKY5O49vu8F8ZwlSW3Ea1 wqn/R824oto+E2EnAIBp5uQ0veOUehtgpsVUD00DW7P1o5oRtUkl055x7z1pZ5o4 Q= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=/wVPeY 1vwTg1BTcajHENffvbV9HgXNx8tGj1kCv0sPc=; b=qolInGYqg55Jd5pxCMfnK4 9GNI/+1vq3ystmYdprObwyUXhBv5pxwSA/NbFtr8mLmiW/7Abq9a3aY8V9oL2Qxj tcOxJnR6ISsEZ/gbWiu4Kq70/m1FkFM6u74+Pmv/VIIppWh+9hmiKqmjwbZi5eM2 Qt0ttrpURmAPDGbrMEBFOhiGd97dk/AN8cVJo2nuN80IoGsfwY5uv4N+z67Svqfk etHaaic6RpXXdlJcuTJrFnccRqpBvtmQFq3lZn1S+5JRdGwLuQBu91qcmr0T+cgd JH16BlQdbknEglz2dCgCmCHuLpq6Xa90GXAYPOveHASDpbxz3cp13P0Ts5Xj+GHw == X-ME-Sender: <xms:23sgWuuKmywEymIEgwI26sdkr_u_4PulON1sr9eDngZw6uj4hqMZew> Received: from xps.localnet (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 7456724ED6; Thu, 30 Nov 2017 16:44:59 -0500 (EST) From: Thomas Monjalon <thomas@monjalon.net> To: Stephen Hemminger <stephen@networkplumber.org> Cc: Yuanhan Liu <yliu@fridaylinux.org>, dev@dpdk.org, Adrien Mazarguil <adrien.mazarguil@6wind.com>, Ciara Loftus <ciara.loftus@intel.com>, Kevin Traynor <ktraynor@redhat.com>, hemant.agrawal@nxp.com Date: Thu, 30 Nov 2017 22:44:58 +0100 Message-ID: <1581666.Z35b0Iulko@xps> In-Reply-To: <20171130132126.13761c50@xeon-e3> References: <1512027330-30030-1-git-send-email-yliu@fridaylinux.org> <6035648.0D6NuDDM7V@xps> <20171130132126.13761c50@xeon-e3> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH] [RFC] ether: standardize getting the port by name X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Thu, 30 Nov 2017 21:45:00 -0000 30/11/2017 22:21, Stephen Hemminger: > On Thu, 30 Nov 2017 18:35:11 +0100 > Thomas Monjalon <thomas@monjalon.net> wrote: > > > 30/11/2017 18:15, Stephen Hemminger: > > > Some thoughts. > > > 1) Not all devices are PCI; look at recent VMBUS > > > > Yes, we need a syntax which works for every devices. > > I suggest to use the prefix "pci:" before the PCI id. > > We need also a prefix and ids for NXP buses. > > We could use "vmbus:" before VMBUS ids. > > How VMBUS ids look like? > > > > > 2) The name may have to be set before MAC address is determined on boot. > > > > I don't understand this comment. > > Do you mean MAC may be unknown when starting DPDK? > > The MAC be known by the hardware, but the device would have to be > created before using hardware to read it. Indeed, it is a problem if we want to use this syntax for blacklist. > > > 3) The names themselves are not persistent or human friendly. This is hard > > > see the effort udev goes to. > > > > Yes udev has a syntax to identify devices. It can be inspiring. > > Qemu may also be inspiring: > > https://github.com/qemu/qemu/blob/master/docs/qdev-device-use.txt