From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Atkins Subject: Re: [PATCH 0/3] null driver improvements for testability Date: Fri, 29 Jan 2016 16:47:58 +0000 Message-ID: <56AB97BE.9030106@brocade.com> References: <1454084293-5722-1-git-send-email-patkins@brocade.com> <1600067.TyQ2MXbqf2@xps13> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Cc: dev@dpdk.org To: Thomas Monjalon Return-path: Received: from mx0b-000f0801.pphosted.com (mx0b-000f0801.pphosted.com [67.231.152.113]) by dpdk.org (Postfix) with ESMTP id 36A54C70C for ; Fri, 29 Jan 2016 17:48:09 +0100 (CET) In-Reply-To: <1600067.TyQ2MXbqf2@xps13> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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