From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-f174.google.com (mail-qt1-f174.google.com [209.85.160.174]) by dpdk.org (Postfix) with ESMTP id 191D15F57 for ; Mon, 24 Sep 2018 18:48:39 +0200 (CEST) Received: by mail-qt1-f174.google.com with SMTP id h22-v6so2194221qtr.13 for ; Mon, 24 Sep 2018 09:48:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=OTJCmkm5aogimS3fhFXtXQWrcWAfmZS8pcrE/WWcSzE=; b=hZkhbBWCeYLIcTGNZbaYOLbnh/bUpSE1q6yPg6GkKRgAmlMQI3JMjU/bMAojAUO18p gMoSfqggcfl5Nu48LhU/zeQpLPzcZbW/BwWLYwVpqxR0KM+tShHjSCdhL2F3KLflvuF+ b6A591tKoRDZ8FUT/Ny4kL6/X96qSRBjQoBwrhBGwXAYxyvVRuNd4/532KYn9PrYeI7m HvokAq25d5SuXy2RWAP2dNEs8PA1fEUFMoFlNSOGgAlReFl/Zpt3Qqq57oXod375TkOZ NWNvxOBOHTHyEUiNbUoQcG9CXltt6fpdpzuwFDd+L3VznOdFjWTspZyfSQ2I/SPJED+z c+MA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=OTJCmkm5aogimS3fhFXtXQWrcWAfmZS8pcrE/WWcSzE=; b=i+wTWRdV/OEr5a5+a19aRH5W6cIFBYDzZHGbeiELmSAru4yJeBbtW1vNAZUItbqyvG wEPMHMjT5Hb9xghSLst6oJwLdu+7A0LsqvzZeyeBHZAgJJDReb6mzI8rXny1WP96DtFR 8YG8IoLbojw02HSHPKUZitodVhC804C2+DqhIfX3jojhZnbXu7zEoXfU4j40lc67sjcU 9/li/IIN3862sahc/z3jbJyj0w8uqrbBw9EyS3ycFNXhLKXBcgKDWQtrdHbYoeyGXovL CI5n8td4FXDwaDGUPPY4J+IHjJ1yTyTTHONI0mrM7cxAolkUw00el9oQbFz0smQBrRrC Kv3w== X-Gm-Message-State: APzg51CsoFDyPCwwtxtTDYo4zFi6EIIuwlOsiXlHFjrLTGAKyCJ4zJHQ 0rW2hX/zwFTMIalqdCTTImI0nDeslksyc/v43GseL8b8 X-Google-Smtp-Source: ACcGV61VQZy5PoxgLo5Hbw9yUmdlVLRHENspBr0mlAS16cOWZe41ZIGW5k/ZgylL1LhdB72PSmcqZw7a8z/ikxLw3uI= X-Received: by 2002:ac8:28bb:: with SMTP id i56-v6mr8671007qti.140.1537807718357; Mon, 24 Sep 2018 09:48:38 -0700 (PDT) MIME-Version: 1.0 From: Anupama Laxmi Date: Mon, 24 Sep 2018 22:18:27 +0530 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] UDP bad checksum errors 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: , X-List-Received-Date: Mon, 24 Sep 2018 16:48:39 -0000 Hi, UDP checksum cannot be computed by Hardware virtualization( Intel 82599 SRIOV PCI passthrough, DPDK V1.7 ).UDP bad checksum errors are observed in the tcpdump(pcap) collected after host on the Service router when the UDP checksum computation is Hardware offloaded. Thanks,