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{
    "id": 17221,
    "url": "https://patches.dpdk.org/api/patches/17221/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/1479921780-9813-14-git-send-email-wenzhuo.lu@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": "<1479921780-9813-14-git-send-email-wenzhuo.lu@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1479921780-9813-14-git-send-email-wenzhuo.lu@intel.com",
    "date": "2016-11-23T17:22:57",
    "name": "[dpdk-dev,13/16] e1000/base: ability to force K1-off disabled",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "3b9217600afc965903cea2f8be56208a450ef120",
    "submitter": {
        "id": 258,
        "url": "https://patches.dpdk.org/api/people/258/?format=api",
        "name": "Wenzhuo Lu",
        "email": "wenzhuo.lu@intel.com"
    },
    "delegate": {
        "id": 319,
        "url": "https://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/1479921780-9813-14-git-send-email-wenzhuo.lu@intel.com/mbox/",
    "series": [],
    "comments": "https://patches.dpdk.org/api/patches/17221/comments/",
    "check": "warning",
    "checks": "https://patches.dpdk.org/api/patches/17221/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 230C0BD4B;\n\tThu, 24 Nov 2016 02:33:27 +0100 (CET)",
            "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby dpdk.org (Postfix) with ESMTP id 32A3E47CD\n\tfor <dev@dpdk.org>; Thu, 24 Nov 2016 02:32:18 +0100 (CET)",
            "from fmsmga006.fm.intel.com ([10.253.24.20])\n\tby orsmga105.jf.intel.com with ESMTP; 23 Nov 2016 17:32:17 -0800",
            "from dpdk26.sh.intel.com ([10.239.128.228])\n\tby fmsmga006.fm.intel.com with ESMTP; 23 Nov 2016 17:32:17 -0800"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.31,689,1473145200\"; d=\"scan'208\";a=\"35041941\"",
        "From": "Wenzhuo Lu <wenzhuo.lu@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "Wenzhuo Lu <wenzhuo.lu@intel.com>",
        "Date": "Wed, 23 Nov 2016 12:22:57 -0500",
        "Message-Id": "<1479921780-9813-14-git-send-email-wenzhuo.lu@intel.com>",
        "X-Mailer": "git-send-email 1.9.3",
        "In-Reply-To": "<1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com>",
        "References": "<1479921780-9813-1-git-send-email-wenzhuo.lu@intel.com>",
        "Subject": "[dpdk-dev] [PATCH 13/16] e1000/base: ability to force K1-off\n\tdisabled",
        "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": "MAC-PHY desync may occur causing misdetection of link up\nevent. Disabling K1-off feature can work around the problem.\n\nSigned-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>\n---\n drivers/net/e1000/base/e1000_hw.h      | 1 +\n drivers/net/e1000/base/e1000_ich8lan.c | 3 +++\n 2 files changed, 4 insertions(+)",
    "diff": "diff --git a/drivers/net/e1000/base/e1000_hw.h b/drivers/net/e1000/base/e1000_hw.h\nindex 14e2e87..39a2a41 100644\n--- a/drivers/net/e1000/base/e1000_hw.h\n+++ b/drivers/net/e1000/base/e1000_hw.h\n@@ -960,6 +960,7 @@ struct e1000_dev_spec_ich8lan {\n \tE1000_MUTEX nvm_mutex;\n \tE1000_MUTEX swflag_mutex;\n \tbool nvm_k1_enabled;\n+\tbool disable_k1_off;\n \tbool eee_disable;\n \tu16 eee_lp_ability;\n #ifdef ULP_SUPPORT\ndiff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c\nindex 89265d2..92d92c8 100644\n--- a/drivers/net/e1000/base/e1000_ich8lan.c\n+++ b/drivers/net/e1000/base/e1000_ich8lan.c\n@@ -1688,6 +1688,9 @@ STATIC s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)\n \t\t\t\tfextnvm6 &= ~E1000_FEXTNVM6_K1_OFF_ENABLE;\n \t\t}\n \n+\t\tif (hw->dev_spec.ich8lan.disable_k1_off == true)\n+\t\t\tfextnvm6 &= ~E1000_FEXTNVM6_K1_OFF_ENABLE;\n+\n \t\tE1000_WRITE_REG(hw, E1000_FEXTNVM6, fextnvm6);\n \t}\n \n",
    "prefixes": [
        "dpdk-dev",
        "13/16"
    ]
}