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 C3D2CA0350 for ; Wed, 1 Jul 2020 15:04:12 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A4E9A1D405; Wed, 1 Jul 2020 15:04:12 +0200 (CEST) Received: from mail-io1-f44.google.com (mail-io1-f44.google.com [209.85.166.44]) by dpdk.org (Postfix) with ESMTP id AFC141BF8E for ; Wed, 1 Jul 2020 15:04:11 +0200 (CEST) Received: by mail-io1-f44.google.com with SMTP id q74so1286851iod.1 for ; Wed, 01 Jul 2020 06:04:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=e/trAmi06ziaswQsQLQVmhffd288BCv+WA/CTydNdlM=; b=DOJbG0/EdfTJdzSM7bCHrvgB6gR7YTWPQSpMsvsPwns5BQ0sJij98jVOQ1Y324q29C 0TLMZ2ESLGC/n6zUZCMdmyBbfVy5ebMxbMLIvER9zYJAHK+92C+dNDUJj6sXek9Lte9E BpXYPcnsTYUTll5qebutvX27eSc0UWWXA7wHqAdoDt/DOovmzkDjJV2OCgzMnZJbBUcF eNuV/tNJ6giKgbRb0ivubUZvBCXb21NSnLtLBQ0c5rHKTB7bR5GID1f132kEib6EMxq9 wkl/DefHJGpS1cgxYZVf9nR4mLtdkoDec9dcGt4Gv01bf4sC/h2/l7vLXon/7hZXfSve w8nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=e/trAmi06ziaswQsQLQVmhffd288BCv+WA/CTydNdlM=; b=T0ewszBA7HSVSXDd0pj0+SN30tL/9NKnEENOfW9wtxAJO2afzwvvcXr53jjMrjyETB QSwvU5dXO5MBOiuPitWmdl54pQaPYDaerRyPHmPi+LszMu8KhUycyypiHx/nz+zZ8EMn YD/EVCqn16Ol6ro6MKoXD58E58zG6xAfhNzHoDkOaEaZz+eYDWPnob2R97x61W83qXTz yd0PXHto8XNmTlGbMGfsHs4l3dz1bQ8HhHYFmi6+ECK5I5WVHx/Nh3S7BY6q70k7V5lo JSI+9FvAmjXSxCjQ1RBF2XWzcwQ5K24js0TwsBxPnQ4zjbqNy4DtOyVArDr2TWLPaFdX 6caQ== X-Gm-Message-State: AOAM532iv5tgc3p9kWhgT07a9/IO8mJl2kfmRBID0+RlczwaLeFpWomf yniqwVJ3RSrlZ8ihwBU9ClYI3v4uZfR2f0Nsd9Y= X-Google-Smtp-Source: ABdhPJwwO+VxX/8RDm+viSk+L3hPZhLH7ys0fihOoZjfPYWSmk/7oUZ+e97ROLOrGQB0GYkdk2ukY1YlsAiEPPsSy10= X-Received: by 2002:a05:6602:d8:: with SMTP id z24mr2127478ioe.136.1593608651096; Wed, 01 Jul 2020 06:04:11 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: David Aldrich Date: Wed, 1 Jul 2020 14:04:00 +0100 Message-ID: To: Cliff Burdick Cc: users Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] Why is udp packet, sent by dpdk, received with zero'd payload? 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" > > > Are you setting data_len and packet_len in the mbuf before sending? > Yes, and I believe that the mbuf dump and the tcpdump that I included show that these lengths are set correctly. The problem is that udp payload is present but consists of all 0's.