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{
    "id": 8678,
    "url": "https://patches.dpdk.org/api/patches/8678/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1446652230-10009-1-git-send-email-harry.van.haaren@intel.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<1446652230-10009-1-git-send-email-harry.van.haaren@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1446652230-10009-1-git-send-email-harry.van.haaren@intel.com",
    "date": "2015-11-04T15:50:30",
    "name": "[dpdk-dev] ixgbe: remove l3_l4_xsum_errors from rx errors",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "070a3c99b19d996259cdfccde46863a579287d04",
    "submitter": {
        "id": 317,
        "url": "https://patches.dpdk.org/api/people/317/?format=api",
        "name": "Van Haaren, Harry",
        "email": "harry.van.haaren@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1446652230-10009-1-git-send-email-harry.van.haaren@intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/8678/comments/",
    "check": "pending",
    "checks": "https://patches.dpdk.org/api/patches/8678/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 345408E9C;\n\tWed,  4 Nov 2015 16:51:20 +0100 (CET)",
            "from mga01.intel.com (mga01.intel.com [192.55.52.88])\n\tby dpdk.org (Postfix) with ESMTP id CCF038E56\n\tfor <dev@dpdk.org>; Wed,  4 Nov 2015 16:51:18 +0100 (CET)",
            "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby fmsmga101.fm.intel.com with ESMTP; 04 Nov 2015 07:51:08 -0800",
            "from sie-lab-212-222.ir.intel.com (HELO\n\tsilpixa00366884.ir.intel.com) ([10.237.212.222])\n\tby fmsmga002.fm.intel.com with ESMTP; 04 Nov 2015 07:50:55 -0800"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.20,243,1444719600\"; d=\"scan'208\";a=\"843025096\"",
        "From": "Harry van Haaren <harry.van.haaren@intel.com>",
        "To": "dev@dpdk.org",
        "Date": "Wed,  4 Nov 2015 15:50:30 +0000",
        "Message-Id": "<1446652230-10009-1-git-send-email-harry.van.haaren@intel.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<5639CB88.7040108@allegro-packets.com>",
        "References": "<5639CB88.7040108@allegro-packets.com>",
        "Subject": "[dpdk-dev] [PATCH] ixgbe: remove l3_l4_xsum_errors from rx errors",
        "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>,\n\t<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>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This patch removes l3_l4_xsum_errors from rx errors.\n\nThe reason to remove it is that UDP packets have an optional checksum, and\nwhen not calculated the checksum field should be set to zero. When the\nchecksum is not calculated (zero-ed out), the hardware still counts a valid\nUDP packet as an l3_l4_xsum_error.\n\nThis hardware issue is documented in 82599 errata, titled:\n\"Integrity Error Reported for IPv4/UDP Packets with Zero Checksum\"\n\nThe solution is to remove l3_l4_xsum_errors from rx_errors, as discussed on\nhttp://thread.gmane.org/gmane.comp.networking.dpdk.devel/25590/\n\nSuggested-by: Martin Weiser <martin.weiser@allegro-packets.com>\nSigned-off-by: Harry van Haaren <harry.van.haaren@intel.com>\n---\n drivers/net/ixgbe/ixgbe_ethdev.c | 1 -\n 1 file changed, 1 deletion(-)",
    "diff": "diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c\nindex 25966ef..9ed5b49 100644\n--- a/drivers/net/ixgbe/ixgbe_ethdev.c\n+++ b/drivers/net/ixgbe/ixgbe_ethdev.c\n@@ -2480,7 +2480,6 @@ ixgbe_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)\n \t                  total_missed_rx +\n \t                  hw_stats->illerrc +\n \t                  hw_stats->errbc +\n-\t                  hw_stats->xec +\n \t                  hw_stats->rfc +\n \t                  hw_stats->fccrc +\n \t                  hw_stats->fclast;\n",
    "prefixes": [
        "dpdk-dev"
    ]
}