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GET /api/patches/816147/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 816147,
    "url": "http://patchwork.ozlabs.org/api/patches/816147/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505904778-53217-3-git-send-email-linyunsheng@huawei.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1505904778-53217-3-git-send-email-linyunsheng@huawei.com>",
    "list_archive_url": null,
    "date": "2017-09-20T10:52:51",
    "name": "[net,2/9] net: hns3: Fix initialization when cmd is not supported",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "6f110dc7baef563c0b1c924d50413ebc0bc0ac47",
    "submitter": {
        "id": 71804,
        "url": "http://patchwork.ozlabs.org/api/people/71804/?format=api",
        "name": "Yunsheng Lin",
        "email": "linyunsheng@huawei.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1505904778-53217-3-git-send-email-linyunsheng@huawei.com/mbox/",
    "series": [
        {
            "id": 4080,
            "url": "http://patchwork.ozlabs.org/api/series/4080/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=4080",
            "date": "2017-09-20T10:52:53",
            "name": "TM related bugfixes for the HNS3 Ethernet Driver",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/4080/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/816147/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/816147/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xxxW10Dgrz9s7c\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed, 20 Sep 2017 20:56:13 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751894AbdITKxY (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tWed, 20 Sep 2017 06:53:24 -0400",
            "from szxga05-in.huawei.com ([45.249.212.191]:6528 \"EHLO\n\tszxga05-in.huawei.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751825AbdITKxX (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Wed, 20 Sep 2017 06:53:23 -0400",
            "from 172.30.72.60 (EHLO DGGEMS407-HUB.china.huawei.com)\n\t([172.30.72.60])\n\tby dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued)\n\twith ESMTP id DHR76347; Wed, 20 Sep 2017 18:53:19 +0800 (CST)",
            "from localhost.localdomain (10.67.212.75) by\n\tDGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP\n\tServer id 14.3.301.0; Wed, 20 Sep 2017 18:53:12 +0800"
        ],
        "From": "Yunsheng Lin <linyunsheng@huawei.com>",
        "To": "<davem@davemloft.net>",
        "CC": "<huangdaode@hisilicon.com>, <xuwei5@hisilicon.com>,\n\t<liguozhu@hisilicon.com>, <Yisen.Zhuang@huawei.com>,\n\t<gabriele.paoloni@huawei.com>, <john.garry@huawei.com>,\n\t<linuxarm@huawei.com>, <yisen.zhuang@huawei.com>,\n\t<salil.mehta@huawei.com>, <lipeng321@huawei.com>,\n\t<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>",
        "Subject": "[PATCH net 2/9] net: hns3: Fix initialization when cmd is not\n\tsupported",
        "Date": "Wed, 20 Sep 2017 18:52:51 +0800",
        "Message-ID": "<1505904778-53217-3-git-send-email-linyunsheng@huawei.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<1505904778-53217-1-git-send-email-linyunsheng@huawei.com>",
        "References": "<1505904778-53217-1-git-send-email-linyunsheng@huawei.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain",
        "X-Originating-IP": "[10.67.212.75]",
        "X-CFilter-Loop": "Reflected",
        "X-Mirapoint-Virus-RAPID-Raw": "score=unknown(0),\n\trefid=str=0001.0A010203.59C248A0.000D, ss=1, re=0.000, recu=0.000,\n\treip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0,\n\tso=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32",
        "X-Mirapoint-Loop-Id": "2e95f8b6370fe504d22c78fc564180bc",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "When ae_dev doesn't support DCB, rx_priv_wl_config,\ncommon_thrd_config and tm_qs_bp_cfg can't be called, otherwise\ncmd return fail, which causes the hclge module initialization\nprocess to fail.\nThis patch fix it by adding a DCB capability flag to check if\nthe ae_dev support DCB.\n\nFixes: 46a3df9f9718 (\"net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support\")\nSigned-off-by: Yunsheng Lin <linyunsheng@huawei.com>\n---\n drivers/net/ethernet/hisilicon/hns3/hnae3.h        |  7 ++++++\n .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c    | 26 +++++++++++++---------\n .../net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c  |  4 ++++\n .../net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 10 ++++-----\n 4 files changed, 31 insertions(+), 16 deletions(-)",
    "diff": "diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h\nindex 0f7b61a..ad685f5 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h\n+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h\n@@ -50,10 +50,17 @@\n \n #define HNAE3_DEV_INITED_B\t\t\t0x0\n #define HNAE3_DEV_SUPPORT_ROCE_B\t\t0x1\n+#define HNAE3_DEV_SUPPORT_DCB_B\t\t\t0x2\n+\n+#define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) |\\\n+\t\tBIT(HNAE3_DEV_SUPPORT_ROCE_B))\n \n #define hnae3_dev_roce_supported(hdev) \\\n \thnae_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)\n \n+#define hnae3_dev_dcb_supported(hdev) \\\n+\thnae_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_DCB_B)\n+\n #define ring_ptr_move_fw(ring, p) \\\n \t((ring)->p = ((ring)->p + 1) % (ring)->desc_num)\n #define ring_ptr_move_bw(ring, p) \\\ndiff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\nindex eb78c23..c515b84 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\n+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\n@@ -1772,18 +1772,22 @@ int hclge_buffer_alloc(struct hclge_dev *hdev)\n \t\treturn ret;\n \t}\n \n-\tret = hclge_rx_priv_wl_config(hdev);\n-\tif (ret) {\n-\t\tdev_err(&hdev->pdev->dev,\n-\t\t\t\"could not configure rx private waterline %d\\n\", ret);\n-\t\treturn ret;\n-\t}\n+\tif (hnae3_dev_dcb_supported(hdev)) {\n+\t\tret = hclge_rx_priv_wl_config(hdev);\n+\t\tif (ret) {\n+\t\t\tdev_err(&hdev->pdev->dev,\n+\t\t\t\t\"could not configure rx private waterline %d\\n\",\n+\t\t\t\tret);\n+\t\t\treturn ret;\n+\t\t}\n \n-\tret = hclge_common_thrd_config(hdev);\n-\tif (ret) {\n-\t\tdev_err(&hdev->pdev->dev,\n-\t\t\t\"could not configure common threshold %d\\n\", ret);\n-\t\treturn ret;\n+\t\tret = hclge_common_thrd_config(hdev);\n+\t\tif (ret) {\n+\t\t\tdev_err(&hdev->pdev->dev,\n+\t\t\t\t\"could not configure common threshold %d\\n\",\n+\t\t\t\tret);\n+\t\t\treturn ret;\n+\t\t}\n \t}\n \n \tret = hclge_common_wl_config(hdev);\ndiff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c\nindex 1c577d2..c91dbf1 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c\n+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c\n@@ -976,6 +976,10 @@ int hclge_pause_setup_hw(struct hclge_dev *hdev)\n \tif (ret)\n \t\treturn ret;\n \n+\t/* Only DCB-supported dev supports qset back pressure setting */\n+\tif (!hnae3_dev_dcb_supported(hdev))\n+\t\treturn 0;\n+\n \tfor (i = 0; i < hdev->tm_info.num_tc; i++) {\n \t\tret = hclge_tm_qs_bp_cfg(hdev, i);\n \t\tif (ret)\ndiff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c\nindex 94d8bb5..35369e1 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c\n+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c\n@@ -42,15 +42,15 @@\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_GE), 0},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE), 0},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA),\n-\t BIT(HNAE3_DEV_SUPPORT_ROCE_B)},\n+\t HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA_MACSEC),\n-\t BIT(HNAE3_DEV_SUPPORT_ROCE_B)},\n+\t HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA),\n-\t BIT(HNAE3_DEV_SUPPORT_ROCE_B)},\n+\t HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA_MACSEC),\n-\t BIT(HNAE3_DEV_SUPPORT_ROCE_B)},\n+\t HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},\n \t{PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_MACSEC),\n-\t BIT(HNAE3_DEV_SUPPORT_ROCE_B)},\n+\t HNAE3_DEV_SUPPORT_ROCE_DCB_BITS},\n \t/* required last entry */\n \t{0, }\n };\n",
    "prefixes": [
        "net",
        "2/9"
    ]
}