From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f172.google.com (mail-io0-f172.google.com [209.85.223.172]) by dpdk.org (Postfix) with ESMTP id B39BF3195 for ; Tue, 8 Mar 2016 09:17:59 +0100 (CET) Received: by mail-io0-f172.google.com with SMTP id g203so17681190iof.2 for ; Tue, 08 Mar 2016 00:17:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=NmHlhKinlla8z30W6u/lk5cHtV4+KA75GCZtGKWsW6A=; b=WPdb2d9F8InjbSZ5mPnD32Ao70MXXQ1NZGKRq+jrTYiZ/jB0g/GPZWOuUZolbsaT6r Xhr9NKz49OEPSLwWs9l2RFwm+uYyMfXYD78PfhTJnV8D+z7CvtpOQnAkJx1M9W3WoZQK KmJLfcbb8qVcyLqm/NYt8HfCgIEOfbSVVB05btQu//BzmN/IQobce38sbZTnnVkuMjO/ BAWv9ewbp/z5ohHz9186dC0Rs7yj8viWsvWSuKByAEJJ5Jqtk/IfAOouzVMvpVQbbVWG DmWDilownpVb+5EekDx1LV06he6hoBjIKU5D4seMRFmaWwwk9+Br5VaqgwQ7nwMRGdyQ Sggw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=NmHlhKinlla8z30W6u/lk5cHtV4+KA75GCZtGKWsW6A=; b=UWwe5WRVk+uxqQthaVSUBZhPruYtmqHoZqI+LjbXDyC6+oX0C/FRKeeSZLPgY9MYxo b8tGe1FFgwqSW9rY5EBG5nUieTNtoSKGONyWjBnVg1EOnxUgaB5EAmJQyWYJOE/MaDcK 7KvOGsqwxj2Q5NRsV3qsq1c7FJWVUcUrtuS2EmHfDmxyaLIE9Txpo6Xyy2QgnlMT1ofw z7EN2f0zFSajdRgg402nkhy3ea+eRBXHR9CsdE0Z/5mO7psMq9kuMq1S4faYe/afDiIn t3UujCm9STdBpaE0h98BNN4lEhKPYsfcIq3cavIAnk8XDfjty86SAlecBpXaZ3MbmuKx 1MVg== X-Gm-Message-State: AD7BkJI/ha1AjgLfmhxNxDfOJ198ZDzo0E0tm8BPHpnsUIR+vsFEURlx2bOgn4p8vVTu8O7DH4xkNxcP4HkAfg== X-Received: by 10.107.46.151 with SMTP id u23mr25618777iou.136.1457425079284; Tue, 08 Mar 2016 00:17:59 -0800 (PST) MIME-Version: 1.0 Received: by 10.64.171.11 with HTTP; Tue, 8 Mar 2016 00:17:39 -0800 (PST) In-Reply-To: References: From: Andriy Berestovskyy Date: Tue, 8 Mar 2016 09:17:39 +0100 Message-ID: To: Mahdi Moradmand Badie Content-Type: text/plain; charset=UTF-8 Cc: users@dpdk.org Subject: Re: [dpdk-users] [dpdk-dev] how to Read(Write) from(to) via lcores in dpdk regardless of NIC X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Mar 2016 08:18:00 -0000 Hi Mahdi, Looks like the DPDK's rte_distributor is the right tool for your task. Please have a look at: http://dpdk.org/doc/guides/prog_guide/packet_distrib_lib.html There is also the Distributor Sample Application in DPDK: http://dpdk.org/doc/guides/sample_app_ug/dist_app.html Please do not cross-post to dev@ mailing list. Regards, Andriy On Tue, Mar 8, 2016 at 6:41 AM, Mahdi Moradmand Badie wrote: > I wanna create for example 3 different packets in core_0 as master and > store them one by one in share memory(rte_ring), > then the core_1 as slave read them and do function on them (ex. P1+P2+P3) > and again store in share memory, finally the core_0 read the packets from > share memory and compare them with whatever expected :) > As I said and you mentioned is the same? :) > > On 8 March 2016 at 00:35, Hamed Zaghaghi wrote: > >> Hi, >> >> If I understood well you need to do these tasks: >> 1. Packet crafting (I think that DPDK has no functions for this task) >> 2. Store packets (DPDK has (rte_mbuf)[ >> http://dpdk.org/doc/api/rte__mbuf_8h.html]) >> 3. Share between lcores (DPDK offers rte_ring) >> >> >> >> On Tue, Mar 8, 2016 at 8:45 AM Mahdi Moradmand Badie < >> mahdi.mbadie@gmail.com> wrote: >> >>> Dear Hamed, >>> >>> First of all thank you so much for your kindly reply, >>> >>> It's the primary part of the big project, in order to be more familiar >>> with DPDK, >>> I have to implement the mentioned framework by use of DPDK, >>> And finally we wanna implement the cache locking approach (via help of >>> features like Cache Allocation Technology(CAT), Cache Monitoring Technology >>> (CMT)) in Xeon processor (my supervisor told me this simple exercise >>> will be helpful to do the final part) in such a way we could dedicate a >>> specific part of shared memory (L3) to each core which the other don't >>> access to it. >>> Obviously using of DPDK with Xeon which both are from "Intel", is >>> considered as strength point. >>> >>> I hope this was more clear :) >>> >>> On 7 March 2016 at 23:56, Hamed Zaghaghi >>> wrote: >>> >>>> Hi Mahdi, >>>> >>>> Why do you want to use DPDK when you don't use NIC? You can do what you >>>> want outside of DPDK. >>>> >>>> Regards, >>>> Hamed Zaghaghi >>>> >>>> On Tue, Mar 8, 2016 at 12:16 AM Mahdi Moradmand Badie < >>>> mahdi.mbadie@gmail.com> wrote: >>>> >>>>> Dear All, >>>>> I am Mahdi and I am new in DPDK, >>>>> I wanna generate for example 3 different packets in core0 as master >>>>> write >>>>> it to share memory (L3), then core1 as slave read this packets, change >>>>> them >>>>> with for example function1 and write again in share memory (L3) and >>>>> finally >>>>> check the result with whatever I expect. >>>>> The most important thing is that I don't wanna use NIC and I don't know >>>>> for >>>>> working with cores how I can write/read to/from them, I mean with which >>>>> template and sequence??? >>>>> Thanks in advance, >>>>> >>>> >>> >>> >>> -- >>> M@hdi Mor@dm@nd B@die >>> >> > > > -- > M@hdi Mor@dm@nd B@die -- Andriy Berestovskyy