From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <patkins@Brocade.com> Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) by dpdk.org (Postfix) with ESMTP id 36A54C70C for <dev@dpdk.org>; Fri, 29 Jan 2016 17:48:09 +0100 (CET) Received: from pps.filterd (m0048192.ppops.net [127.0.0.1]) by mx0b-000f0801.pphosted.com (8.15.0.59/8.15.0.59) with SMTP id u0TGldk9012037; Fri, 29 Jan 2016 08:48:08 -0800 Received: from brmwp-exmb11.corp.brocade.com ([208.47.132.227]) by mx0b-000f0801.pphosted.com with ESMTP id 20qruatqp9-2 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 29 Jan 2016 08:48:08 -0800 Received: from EMEAWP-EXMB11.corp.brocade.com (172.29.11.85) by BRMWP-EXMB11.corp.brocade.com (172.16.59.77) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 29 Jan 2016 09:48:06 -0700 Received: from [10.252.48.16] (10.252.48.16) by EMEAWP-EXMB11.corp.brocade.com (172.29.11.85) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 29 Jan 2016 17:48:03 +0100 Message-ID: <56AB97BE.9030106@brocade.com> Date: Fri, 29 Jan 2016 16:47:58 +0000 From: Paul Atkins <patkins@brocade.com> User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0 MIME-Version: 1.0 To: Thomas Monjalon <thomas.monjalon@6wind.com> References: <1454084293-5722-1-git-send-email-patkins@brocade.com> <1600067.TyQ2MXbqf2@xps13> In-Reply-To: <1600067.TyQ2MXbqf2@xps13> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.252.48.16] X-ClientProxiedBy: hq1wp-excas13.corp.brocade.com (10.70.36.103) To EMEAWP-EXMB11.corp.brocade.com (172.29.11.85) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-01-29_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1601100000 definitions=main-1601290271 Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH 0/3] null driver improvements for testability X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Fri, 29 Jan 2016 16:48:09 -0000 Hi Thomas, On 29/01/16 16:31, Thomas Monjalon wrote: > Hi Paul, > > 2016-01-29 16:18, Paul Atkins: >> This patchset adds functionality to the null driver help when testing >> a dataplane that uses dpdk. The idea is that the the dataplane can >> have multiple null interfaces attached, and each of theses can be >> assigned a mac address. Packets can then be injected into the null >> drivers by adding them to a ring, giving the application complete >> control of the packets that arrive. Packets that are sent by a null >> driver can be stored on a ring, where the application can pick them up >> and verify it is what was expected. To allow the application to know >> when packets have been pulled of the rx ring, counters of the number of >> times an rx poll has been made are kept, and these can be retrieved via >> the existing APIs. > I have not read your code, just read this description. > It sounds like being a ring PMD. Have you already checked it? > https://urldefense.proofpoint.com/v2/url?u=http-3A__dpdk.org_browse_dpdk_tree_drivers_net_ring_rte-5Feth-5Fring.c&d=CwICAg&c=IL_XqQWOjubgfqINi2jTzg&r=45ezphVDEm8OnEpH-fLWdXvR3RneLhhNZRDLQRgR6LY&m=wJLO24XFe_B0nZve6mkvocCt7fQWo3PULCTWxrC8rZk&s=bIWycJrY-PYgzkQsBeRfkl8JCHFcxRAHhHDrqRSzHYs&e= I hadn't seen the ring PMD. I will have a look at it and see if I can make it do what i need. thanks, Paul