From owner-freebsd-net@FreeBSD.ORG Wed Oct 29 15:49:19 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C7ABB600 for ; Wed, 29 Oct 2014 15:49:19 +0000 (UTC) Received: from mail-oi0-x22e.google.com (mail-oi0-x22e.google.com [IPv6:2607:f8b0:4003:c06::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 91228BD8 for ; Wed, 29 Oct 2014 15:49:19 +0000 (UTC) Received: by mail-oi0-f46.google.com with SMTP id g201so2484618oib.19 for ; Wed, 29 Oct 2014 08:49:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=/psvpdfQRC5nPPl25sDB6nre2VwnQ+eJoo6mJz3jyvA=; b=hsiCVImlEXrYXbrV+c9ksQNFqnNoE9Q7FFeHD2iXSMWHRSET+oWShB6RYfEEW5Dnqe tvjIabxjPIhuouoca4EVaLWVkDiX58G8lqYMBsWzuBlNufmXm2SKJ4QETuUyok94MppA WbR12STzhhfTyWq8S4PXvVft+wR0ollntlY9GrTHUmv8qYznW2S9A17jNgl1itURlcGK 8K2jtokrb0KsUTy/WZ8LUFuyqSv+L1GygvX4TFyvCqCxk9nnmE3chYWdJCV5mGjWj3wn 8sSiCS66TAcwmx2eSeok+CSqwcAoreZ8R86A14ieyT8rrUbX1RmftjGkq61FB/0MaZuK UoWQ== MIME-Version: 1.0 X-Received: by 10.60.58.71 with SMTP id o7mr70212oeq.85.1414597758854; Wed, 29 Oct 2014 08:49:18 -0700 (PDT) Received: by 10.202.168.84 with HTTP; Wed, 29 Oct 2014 08:49:18 -0700 (PDT) In-Reply-To: References: <6211BCB6-990D-4CE6-B780-4E7E131D94DA@netapp.com> Date: Wed, 29 Oct 2014 08:49:18 -0700 Message-ID: Subject: Re: Intel DPDK added to FreeBSD ports collection From: Jim Harris To: Rui Paulo Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: "freebsd-net@freebsd.org" , "Eggert, Lars" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Oct 2014 15:49:19 -0000 On Wed, Oct 29, 2014 at 8:41 AM, Rui Paulo wrote: > On Oct 29, 2014, at 05:13, Eggert, Lars wrote: > > > > Hi, > > > > On 2014-10-20, at 17:40, Jim Harris wrote: > >> Just wanted to send a heads-up that Intel's Data Plane Development Kit > >> (DPDK) for high speed packet processing was added to the FreeBSD ports > >> collection last week under net/dpdk. > > ... > >> For any questions, please check out dpdk.org and the developer mailing > list > >> (dev@dpdk.org). > > > > that list seems to be more about the development of the kit, rather that > about using the kit? > dev@dpdk.org is mostly development related, but I have seen lots of questions like yours on the list too. > > > I've started to play with DPDK under FreeBSD, and am getting the > following warning: > > > > EAL: WARNING: clock_gettime cannot use CLOCK_MONOTONIC_RAW and HPET is > not available - clock timings may be less accurate. > > > > This is with the HPET changes rpaulo@ recently committed, and > /dev/hpet0 is present. > > I still haven't fixed DPDK to use /dev/hpet0. Can you add a symbolic link > /dev/hpet0 -> /dev/hpet? > > This is certainly one problem, but it also looks like DPDK should spit out an error message when it cannot open /dev/hpet. So I suspect CONFIG_RTE_LIBEAL_USE_HPET needs to be set to 'y' as well in your config file. -Jim -- > Rui Paulo > > > >