From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 3417CA052F for ; Sun, 26 Jan 2020 21:53:44 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id E2B934C8B; Sun, 26 Jan 2020 21:53:40 +0100 (CET) Received: from rediffmail.com (f4mail-235-121.rediffmail.com [202.137.235.121]) by dpdk.org (Postfix) with ESMTP id D72422BD5 for ; Fri, 24 Jan 2020 12:38:18 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rediffmail.com; s=mail; t=1579865896; bh=c/SxN1ShoRFntoxxi3kG1A/q24CMfjGiXzvo9jl20Bw=; h=MIME-Version:From:Date:Message-ID:Subject:To:Content-Type; b=O5nwLXJc/GSxD/nzuvehlivqhVRAOL0lobbd4/sT4uhu423FSIJ8EBzbsXQs3CpFK rBapsaXJ2tQQM8sHFZnbml1cCqBrWcXpkdpnMPb3r5EpYM20WmLRZTnLJax6zr/hGX 0s5e2Zqp/EeRRnKhQOSw/RRqY57vmCjWzGcq1NLE= Received: (qmail 17067 invoked by uid 510); 24 Jan 2020 11:38:16 -0000 x-m-msg: asd54ad564ad7aa6sd5as6d5; a6da7d6asas6dasd77; 5dad65ad5sd; X-OUT-VDRT-SpamState: 0\LEGIT X-OUT-VDRT-SpamScore: 0 X-OUT-VDRT-SpamCause: gggruggvucftvghtrhhoucdtuddrgedugedrvdeggdeftdcutefuodetggdotefrodftvfcurfhrohhfihhlvgemucdftffgfffkhffhpdfqfgfvfdenuceurghilhhouhhtmecufedttdenucenucfjughrpeffkfggvfhsuffhtgesrgdtvdertddtjeenucfhrhhomhepfdhsohhumhihrgcuphgrlhdfuceoshhouhhmhigrpghprghlvddttdegsehrvgguihhffhhmrghilhdrtghomheqnecukfhppeduuddurdelfedrudejfedrjeeknecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhpohhuth X-Remote-IP: 111.93.173.78 X-REDF-OSEN: soumya_pal2004@rediffmail.com Date: 24 Jan 2020 11:38:15 -0000 Message-ID: <20200124113815.17059.qmail@f4mail-235-121.rediffmail.com> MIME-Version: 1.0 To: Received: from unknown 111.93.173.78 by rediffmail.com via HTTP; 24 Jan 2020 11:38:15 -0000 X-Senderscore: D=0&S=0 From: "soumya pal" X-Mailman-Approved-At: Sun, 26 Jan 2020 21:53:39 +0100 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] =?utf-8?q?DPDK_=3A_iperf_=2C_PMD_related_problem?= X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Hello, I am new to DPDK. I am creating a traffic generator for LTE. I need to wrap the traffic using GTPU header. My application opens one PMD interface. I like to run dpdk-iperf application to generate various types of traffics. I need to catch the traffic on PMD and put proper GTPU header. Please note that I have created a small ARP implementation to know the MAC address of the remote end. Please let me know 1. Is it possible to capture the dpdk-iperf traffic in PMD? 2. What is the maximum size of that packet? 3. Is this capturing process in PMD time consuming? Will it affect the system? 4. Previously I have used one extra KNI interface to get the traffic from Kernel ( say normal iperf). My problem was it was also including traffic like “mdns” to go ( wrapped in GTPU) from the Virtual interface (kni), which we do not want to send via PMD to remote end. Is there any solution for that? Please let me know your inputs. Regards Soumya