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GET /api/patches/816146/?format=api
{ "id": 816146, "url": "http://patchwork.ozlabs.org/api/patches/816146/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1505904778-53217-4-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": "<1505904778-53217-4-git-send-email-linyunsheng@huawei.com>", "list_archive_url": null, "date": "2017-09-20T10:52:52", "name": "[net,3/9] net: hns3: Fix for DEFAULT_DV when dev doesn't support DCB", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "e71af8e9353086f176a13a6b9146df590f3b921c", "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/1505904778-53217-4-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/816146/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/816146/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 3xxxVS2Zqvz9s7c\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed, 20 Sep 2017 20:55:44 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751915AbdITKxZ (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tWed, 20 Sep 2017 06:53:25 -0400", "from szxga05-in.huawei.com ([45.249.212.191]:6530 \"EHLO\n\tszxga05-in.huawei.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751868AbdITKxX (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 DHR76344; 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 18:53:13 +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 3/9] net: hns3: Fix for DEFAULT_DV when dev doesn't\n\tsupport DCB", "Date": "Wed, 20 Sep 2017 18:52:52 +0800", "Message-ID": "<1505904778-53217-4-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=0001.0A010204.59C248A0.000A, 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": "72f666958172e13344519796d5536d08", "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, DEFAULT_DV must be set to\na lower value, otherwise the buffer allocation process will\nfail.\nThis patch fix it by setting it to 30K bytes.\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/hns3pf/hclge_cmd.h | 1 +\n drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 +++++-\n 2 files changed, 6 insertions(+), 1 deletion(-)", "diff": "diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h\nindex c2b613b..30e2ad5 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h\n+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h\n@@ -688,6 +688,7 @@ struct hclge_reset_tqp_queue {\n #define HCLGE_DEFAULT_TX_BUF\t\t0x4000\t /* 16k bytes */\n #define HCLGE_TOTAL_PKT_BUF\t\t0x108000 /* 1.03125M bytes */\n #define HCLGE_DEFAULT_DV\t\t0xA000\t /* 40k byte */\n+#define HCLGE_DEFAULT_NON_DCB_DV\t0x7800\t/* 30K byte */\n \n #define HCLGE_TYPE_CRQ\t\t\t0\n #define HCLGE_TYPE_CSQ\t\t\t1\ndiff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\nindex c515b84..1876418 100644\n--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\n+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c\n@@ -1444,7 +1444,11 @@ static bool hclge_is_rx_buf_ok(struct hclge_dev *hdev, u32 rx_all)\n \ttc_num = hclge_get_tc_num(hdev);\n \tpfc_enable_num = hclge_get_pfc_enalbe_num(hdev);\n \n-\tshared_buf_min = 2 * hdev->mps + HCLGE_DEFAULT_DV;\n+\tif (hnae3_dev_dcb_supported(hdev))\n+\t\tshared_buf_min = 2 * hdev->mps + HCLGE_DEFAULT_DV;\n+\telse\n+\t\tshared_buf_min = 2 * hdev->mps + HCLGE_DEFAULT_NON_DCB_DV;\n+\n \tshared_buf_tc = pfc_enable_num * hdev->mps +\n \t\t\t(tc_num - pfc_enable_num) * hdev->mps / 2 +\n \t\t\thdev->mps;\n", "prefixes": [ "net", "3/9" ] }