From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f43.google.com (mail-oi0-f43.google.com [209.85.218.43]) by dpdk.org (Postfix) with ESMTP id 42E6F1BBE for ; Wed, 8 Mar 2017 08:40:48 +0100 (CET) Received: by mail-oi0-f43.google.com with SMTP id 62so14848561oih.2 for ; Tue, 07 Mar 2017 23:40:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=P1wr5jLENaYGTOGPD5pOWAyC9euMoj8gOCHp+IIPn/Q=; b=XtBJI/iR6Qwgu4f1+FrOqnwld1lZEyKDTjHBkv3mTT1tQLKNGseflyyT6GR38nzqyx 2bM41vcTVwtNMqPHhxkF3tVvDHKht5RHqWGIBBCW+wKWpQNPquNkfhOW9o11uaQ1ol7x 61qwBx0oeOCBjHMoagq1ifqCJGrqZ4giR9qO6E4MDLlhZfwUPpWK/BEkS04yGUqjvSbn B9ELC6LK7EhLzH2MuNjylRP/APv5POxjQo3h7oOPj7R58qQvg5ubJlkKn3lv7NH5qSoq HhANpAoy6fa9BqIZMtu9o0WliNfni065og1rTyq5P2rbVbqDrGIsrk4yQxnclzusa+F9 S0gQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=P1wr5jLENaYGTOGPD5pOWAyC9euMoj8gOCHp+IIPn/Q=; b=nh5WW6sUrfVbt+1c9dXb0j2oH8QRX0V/hcxs180q84LxSYSoPs/Be69PBjnUeZMLOr T2BXEZUH1+kiZjhoZBuiSXqzRYza9hov9tiV6lCo8F4d6HrbJ9dl4kgGlYZsfZjRogUk XTeTLemXF0AdYGi0grMP/d0foVJMJjw3ep2dA4UbmxbqRFz9wZogiIM8cz0ix/Qxg5g/ EcCe22fHdSLj2/bbH1xk9ea1kSocFFtwg4MZP9Li368ml7GAX9+H9vAmjMnM5tjW92YR 9CvpLjIRvZeeUau7prX4sQhn+P5XAajNUXByHKj1Nu6CexJaaC9xelDFXxsQVU+P3a6O ajGw== X-Gm-Message-State: AMke39ldjMBUhc/S23cBcah26uznlr3TaHGan0WOMQn+m40obyyHWwdSJAPBsJpugudwb7ZaPZStQ1cbLU/0Nw== X-Received: by 10.202.220.198 with SMTP id t189mr2678565oig.94.1488958847386; Tue, 07 Mar 2017 23:40:47 -0800 (PST) MIME-Version: 1.0 Received: by 10.182.251.129 with HTTP; Tue, 7 Mar 2017 23:40:47 -0800 (PST) In-Reply-To: <6E71A877-544C-4DAD-B7DD-CDE8F20CDA07@usc.edu> References: <6E71A877-544C-4DAD-B7DD-CDE8F20CDA07@usc.edu> From: raman geetha gopalakrishnan Date: Wed, 8 Mar 2017 13:10:47 +0530 Message-ID: To: Nikhil Nanal Cc: users Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 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 07:40:48 -0000 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 > >