From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f43.google.com (mail-wm0-f43.google.com [74.125.82.43]) by dpdk.org (Postfix) with ESMTP id 0E2E45597 for ; Wed, 8 Mar 2017 11:03:53 +0100 (CET) Received: by mail-wm0-f43.google.com with SMTP id n11so110633060wma.1 for ; Wed, 08 Mar 2017 02:03:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=EoVuOrlgRV7UIdNhagr4cKPGjoGJ5AcYHBEjdZIuJ3g=; b=YgR9FegmY+VFOhUQeE7boBd3GZ7pPCA36tq8MLKAElmjAxxtoU5f2v2u8CG64YH6ru QBUM9ebCKZce1U5PdIi8K+XwowMMFfxVZBVSRBxVeolTvX9LABJKrPivZflFb+XBPbYw qlvosPaHB8pLXcAt4EIHaX77djVrGhG0jMQsyUHnuZQ3BvDcRUbkDwZzm+03T9MSU2+a hCzhqkc9+BIMB7zGo17pqZXUKHEd/6KdryGDqpyXqgEPkv0G3Uqwk2iHK3hZ3JJjKgtM Pf1xswfJZgS4LPI3LAuk2G7DEUlwfTAWcGHLH7l8dv8Ug8kDQLHRCbed3g/1zLpT3+W4 Olgw== 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:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=EoVuOrlgRV7UIdNhagr4cKPGjoGJ5AcYHBEjdZIuJ3g=; b=pR4uLboQvuI7jXIYe7P+KAPS+zFF21jDHCfP2ypMcEQ1MwQr7o/tW4oOplBmViCu95 /nil1C6Nvjkwgn33Wf26HLI0AirLfgV1SI6WDmUwovNFnh8q+1taldrRwpfAYvtd18zn WbFp3qzMJWxUlrvdIcSAAgEwlsmRXeq6wCits3sCzysDofNQF3Wu0W9epI2exP3P96q2 9UH5r5E/57t+OMbdRPpYkItOqY35XhtO25zbG+SXdMYRwxkowLhqGBlPxCu1sT4OkN2p UfjiTaFtwRNu/7EhHDYsvdCREtESIsAJwio372qHR8TmUgDJyqexplTFDg57Sa/HtpGj hvfA== X-Gm-Message-State: AMke39m+5WdqNYRPwFiNgGhIVBfVt8YRSr7gddC1ELZpXqZJjbpqZksNLsGPnb2bG7IgX+my X-Received: by 10.28.17.11 with SMTP id 11mr22433834wmr.32.1488967432814; Wed, 08 Mar 2017 02:03:52 -0800 (PST) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id m188sm22537240wma.27.2017.03.08.02.03.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Mar 2017 02:03:52 -0800 (PST) From: Thomas Monjalon To: users@dpdk.org Cc: raman geetha gopalakrishnan , Nikhil Nanal Date: Wed, 08 Mar 2017 11:03:50 +0100 Message-ID: <2518649.J6V2U7E2e8@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: References: <6E71A877-544C-4DAD-B7DD-CDE8F20CDA07@usc.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-users] Reg PMD & NIC X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Mar 2017 10:03:53 -0000 You will find a list of supported NICs in the documentation: http://dpdk.org/doc/nics There are many NIC vendors. The overview of the current feature support is also in the documentation: http://dpdk.org/doc/guides/nics/overview.html 2017-03-08 13:10, raman geetha gopalakrishnan: > Hi Nikhil, > > Can i say that NIC's are not standardized to work in same way, rather PCI > to discover its capabilities are standardized? > > Thanks > Raman > > On Wed, Mar 8, 2017 at 12:41 PM, Nikhil Nanal wrote: > > > Hi, > > > > I guess DPDK works only for Intel NICs. Also, there are a variety of NIC > > cards from Intel. > > The drivers are generally specific to a NIC card or a family of NIC cards. > > The DPDK, replaces the existing NIC drivers with its PMD drivers, , but > > these PMDs are > > only compatible with some specified class of Intel NIC cards and so there > > are only some supported NICs but not all. > > > > thanks > > Nikhil > > > > > On Mar 7, 2017, at 11:05 PM, raman geetha gopalakrishnan < > > glowingsun@gmail.com> wrote: > > > > > > Hi All, > > > > > > I have the following basic question. Hope to get an answer / link where i > > > can get myself clear. > > > > > > 1. In DPDK PMD is optimized driver for an given NIC to get maximum > > > performance. > > > That being the case why we are talking about DPDK supported NICs. > > > > > > A) My assumption is that NIC interface is standardized so that PMD > > > should actually work with any NIC (barring some NIC specific performance > > > tweaks) > > > is that correct? > > > > > > B) if #A is correct , how can i make changes to PMD to support any > > NIC > > > ? > > > > > > > > > Thanks > > > Raman > > > >