From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpo72.poczta.onet.pl (smtpo72.poczta.onet.pl [141.105.16.22]) by dpdk.org (Postfix) with ESMTP id 570942BA6 for ; Fri, 4 Mar 2016 21:47:49 +0100 (CET) Received: from pmq1v.m5r2.onet (pmq1v.m5r2.onet [10.174.32.67]) by smtp.poczta.onet.pl (Onet) with ESMTP id 3qH1NP0715z9v74T for ; Fri, 4 Mar 2016 21:47:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vp.pl; s=2011; t=1457124469; bh=itSe2vedP3fkfK7/ExCD6rhZvhY+rK3bvTJnJE3wtbc=; h=Content-Type:MIME-Version:From:To:Date:Message-Id:Subject; b=rWmEKnFKf078jfs253aDXWEvI7CY4mSZqRUItAm/cRcvY0vR8nO+oOWoRF0vj8d7g CKnhlqW0UM5/PYMRnKxfNiUPw3jxnUSzPfgEd+KLJ76wBCUrdYPS0qurpt8aqza/tm IQuUCKvqu8cCk9D/WmHGUMy4HAfgYjkIazr2DFvU= MIME-Version: 1.0 Received: from [37.190.175.86] by pmq1v.m5r2.onet via HTTP id 201603042147477237010001; Fri, 04 Mar 2016 21:47:48 +0100 From: dawid_jurek X-Priority: 3 To: "users@dpdk.org" Date: Fri, 04 Mar 2016 21:47:47 +0100 Message-Id: <158043258-63a666d93d341167f777a9aa26e9ae99@pmq1v.m5r2.onet> X-Mailer: onet.poczta X-Onet-PMQ: ;37.190.175.86;PL;1 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] Minimal dpdk configuration for 2 hosts 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: Fri, 04 Mar 2016 20:47:49 -0000 Hello, I wonder what is the minimal configuration (in sense on number of NIC ports= ) to run basic dpdk examples like basicfwd, rxtx_callbacks or forwarding by testpmd for 2 hosts connected dir= ectly by Ethernet. Is it possible to perform one directional transmission for some kind of sen= der-reciever scenario (2 hosts, every host with one port)? It seems that for every kind of transmission between 2 machines I need at l= east 4 ports (because every port may take care of TX or RX but not both of them at the s= ame time). Is it correct? Regards, Dawid >From harold.demure87@gmail.com Sun Mar 6 10:30:52 2016 Return-Path: Received: from mail-vk0-f48.google.com (mail-vk0-f48.google.com [209.85.213.48]) by dpdk.org (Postfix) with ESMTP id F1F4A2C4F for ; Sun, 6 Mar 2016 10:30:51 +0100 (CET) Received: by mail-vk0-f48.google.com with SMTP id e6so91661299vkh.2 for ; Sun, 06 Mar 2016 01:30:51 -0800 (PST) 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; bh=mno1kfIowkJc6iaRngy5AYRLaMvbF4YcwG/Jj4PDOE0=; b=ZOYix/l+0pJx7uDl3eHaDHdPB31Xj329+l8blkSCVKU4UbdZ1VxSrCHEp14NGuSMXv y3sXuDlklALNhR9RMPAOmVObcAomdow+V221Xmod1b5l8my+9szdXX1AMkPn4yfChgvS +Y23r5/IILI2SKDOlCe4gmcURVxYthByTCjTdL+/WVzhQo4e05SiZnWdH4a4Jzy7OBcl 5qT/o8cyXFPUhGzHsciec/k0kuch2HGL/ppQc3N17J5H5nbqwusas+FdY5oSBXAvSl2A Moa7dg62v9ffkDRp0Ayhk8f+KNROmnGExtXqL3Etdf1hHV2JH5eMDVIcpan2fzNLypob /TUg== 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:date :message-id:subject:from:to:cc; bh=mno1kfIowkJc6iaRngy5AYRLaMvbF4YcwG/Jj4PDOE0=; b=SVnnTeSekuwBEusIuqAHUihHvb1MaLkjxOmKmCK9beXVTIynzad+qT6L9d+xgz8lM2 8YPxrlm9CC52lS9DtSqjyslF99JLOAm2cGGPMWfiAinUWHAHFDZFidJ7UBDbHuYFXIwA iSGJfJGgNvyTDLXGkUeeY62nGzTRE2wf22pOJjzCtLIjkxb0dX9R8JcqOND+9jwHipyr FOnlksdLfst/7eqeWuB7vvjlPUeStRExtGz1sGH5IAmpvUyQFevxPMbgFv+Hxz6Qvxm0 7XFo54w82dE2ew1STWT0KeX0l7JVdT9eWtZPIJx20rzB+/C+1IEjmw64XFyKAmbNz2Zw upLw== X-Gm-Message-State: AD7BkJLB4M8VhtfPnFtsIQxdHgHMfplKybjObkm3dDoP/cHKffTLzzUeQsQkQi5U032vwK/HtfRkxb+H88suKg== MIME-Version: 1.0 X-Received: by 10.31.155.131 with SMTP id d125mr12433444vke.146.1457256651482; Sun, 06 Mar 2016 01:30:51 -0800 (PST) Received: by 10.159.55.208 with HTTP; Sun, 6 Mar 2016 01:30:51 -0800 (PST) In-Reply-To: <158043258-63a666d93d341167f777a9aa26e9ae99@pmq1v.m5r2.onet> References: <158043258-63a666d93d341167f777a9aa26e9ae99@pmq1v.m5r2.onet> Date: Sun, 6 Mar 2016 10:30:51 +0100 Message-ID: From: Harold Demure To: dawid_jurek Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "users@dpdk.org" Subject: Re: [dpdk-users] Minimal dpdk configuration for 2 hosts 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: Sun, 06 Mar 2016 09:30:52 -0000 Hello Dawid, I am no expert but a single port should be able to take care of both TX and RX queues. For example, I am currently running two hosts with only one port each and they are able to both send and receive messages. Regards, Harold 2016-03-04 21:47 GMT+01:00 dawid_jurek : > Hello, > I wonder what is the minimal configuration (in sense on number of NIC > ports) to run basic dpdk examples like > basicfwd, rxtx_callbacks or forwarding by testpmd for 2 hosts connected > directly by Ethernet. > Is it possible to perform one directional transmission for some kind of > sender-reciever scenario (2 hosts, every host with one port)? > It seems that for every kind of transmission between 2 machines I need at > least 4 ports > (because every port may take care of TX or RX but not both of them at the > same time). > Is it correct? > Regards, > Dawid >