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{
    "id": 16937,
    "url": "https://patches.dpdk.org/api/patches/16937/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1478263697-57575-1-git-send-email-pablo.de.lara.guarch@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": "<1478263697-57575-1-git-send-email-pablo.de.lara.guarch@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1478263697-57575-1-git-send-email-pablo.de.lara.guarch@intel.com",
    "date": "2016-11-04T12:48:17",
    "name": "[dpdk-dev] doc: add limitation for L3fwd-power app",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "b3b2d1b5da3716aceafb7606997fc539290d7859",
    "submitter": {
        "id": 9,
        "url": "https://patches.dpdk.org/api/people/9/?format=api",
        "name": "De Lara Guarch, Pablo",
        "email": "pablo.de.lara.guarch@intel.com"
    },
    "delegate": null,
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1478263697-57575-1-git-send-email-pablo.de.lara.guarch@intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/16937/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/16937/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 675BB3978;\n\tFri,  4 Nov 2016 13:46:51 +0100 (CET)",
            "from mga06.intel.com (mga06.intel.com [134.134.136.31])\n\tby dpdk.org (Postfix) with ESMTP id 78AB63277\n\tfor <dev@dpdk.org>; Fri,  4 Nov 2016 13:46:48 +0100 (CET)",
            "from orsmga005.jf.intel.com ([10.7.209.41])\n\tby orsmga104.jf.intel.com with ESMTP; 04 Nov 2016 05:46:47 -0700",
            "from sie-lab-214-036.ir.intel.com (HELO\n\tsilpixa00394365.ir.intel.com) ([10.237.214.36])\n\tby orsmga005.jf.intel.com with ESMTP; 04 Nov 2016 05:46:46 -0700"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.31,443,1473145200\"; d=\"scan'208\";a=\"27524093\"",
        "From": "Pablo de Lara <pablo.de.lara.guarch@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "Pablo de Lara <pablo.de.lara.guarch@intel.com>",
        "Date": "Fri,  4 Nov 2016 12:48:17 +0000",
        "Message-Id": "<1478263697-57575-1-git-send-email-pablo.de.lara.guarch@intel.com>",
        "X-Mailer": "git-send-email 2.7.4",
        "Subject": "[dpdk-dev] [PATCH] doc: add limitation for L3fwd-power app",
        "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": "L3fwd-power app needs vector mode to be disabled in order to work\nproperly. The app used to work previously, because it was using\nRx scalar function, but now it uses vector function.\n\nVector mode needs to be disabled to make the app works,\nwhich has been documented in release notes.\n\nSigned-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>\n---\n doc/guides/rel_notes/release_16_11.rst | 11 +++++++++++\n 1 file changed, 11 insertions(+)",
    "diff": "diff --git a/doc/guides/rel_notes/release_16_11.rst b/doc/guides/rel_notes/release_16_11.rst\nindex aa0c09a..cb4ec97 100644\n--- a/doc/guides/rel_notes/release_16_11.rst\n+++ b/doc/guides/rel_notes/release_16_11.rst\n@@ -178,6 +178,17 @@ Known Issues\n \n    This section is a comment. Make sure to start the actual text at the margin.\n \n+* **L3fwd-power app does not work properly when Rx vector is enabled.**\n+\n+  Using some drivers with vector enabled, makes L3fwd-power app not work\n+  properly, since the queue monitoring works differently when using\n+  scalar compared to vector, making the frequency scaling not to work correctly.\n+  In addition, L3fwd-power requires the mbuf to have correct packet type,\n+  but in some drivers, the vector mode must be disabled for this.\n+\n+  Therefore, in order to use L3fwd-power, vector mode should be disabled\n+  from the config file.\n+\n \n API Changes\n -----------\n",
    "prefixes": [
        "dpdk-dev"
    ]
}