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GET /api/patches/66403/?format=api
{ "id": 66403, "url": "http://patches.dpdk.org/api/patches/66403/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200309093243.63204-4-huwei013@chinasoftinc.com/", "project": { "id": 1, "url": "http://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": "<20200309093243.63204-4-huwei013@chinasoftinc.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200309093243.63204-4-huwei013@chinasoftinc.com", "date": "2020-03-09T09:32:41", "name": "[v2,3/5] net/hns3: remove unnecessary restriction on setting VF's MTU", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "1bf3fdba956772ad0202b643aef2d62fb30c6f29", "submitter": { "id": 1537, "url": "http://patches.dpdk.org/api/people/1537/?format=api", "name": "Wei Hu (Xavier)", "email": "huwei013@chinasoftinc.com" }, "delegate": { "id": 319, "url": "http://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200309093243.63204-4-huwei013@chinasoftinc.com/mbox/", "series": [ { "id": 8836, "url": "http://patches.dpdk.org/api/series/8836/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=8836", "date": "2020-03-09T09:32:39", "name": "misc updates and fixes for hns3 PMD driver", "version": 2, "mbox": "http://patches.dpdk.org/series/8836/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/66403/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/66403/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 3F797A052E;\n\tMon, 9 Mar 2020 10:34:12 +0100 (CET)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id A1E9D1C0B0;\n\tMon, 9 Mar 2020 10:33:28 +0100 (CET)", "from incedge.chinasoftinc.com (unknown [114.113.233.8])\n by dpdk.org (Postfix) with ESMTP id C4BBF1C02B\n for <dev@dpdk.org>; Mon, 9 Mar 2020 10:33:21 +0100 (CET)", "from mail.chinasoftinc.com (inccas001.ito.icss [10.168.0.51]) by\n incedge.chinasoftinc.com with ESMTP id VKfDDNubYTjDm9Oq (version=TLSv1\n cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO) for <dev@dpdk.org>;\n Mon, 09 Mar 2020 17:32:50 +0800 (CST)", "from localhost.localdomain (114.119.4.74) by INCCAS001.ito.icss\n (10.168.0.60) with Microsoft SMTP Server id 14.3.487.0; Mon, 9 Mar 2020\n 17:32:49 +0800" ], "X-ASG-Debug-ID": "1583746368-0a3dd1404a03530004-TfluYd", "X-Barracuda-Envelope-From": "huwei013@chinasoftinc.com", "X-Barracuda-RBL-Trusted-Forwarder": [ "10.168.0.51", "10.168.0.60" ], "X-ASG-Whitelist": "Client", "From": "\"Wei Hu (Xavier)\" <huwei013@chinasoftinc.com>", "To": "<dev@dpdk.org>", "Date": "Mon, 9 Mar 2020 17:32:41 +0800", "X-ASG-Orig-Subj": "[PATCH v2 3/5] net/hns3: remove unnecessary restriction on\n setting VF's MTU", "Message-ID": "<20200309093243.63204-4-huwei013@chinasoftinc.com>", "X-Mailer": "git-send-email 2.23.0", "In-Reply-To": "<20200309093243.63204-1-huwei013@chinasoftinc.com>", "References": "<20200309093243.63204-1-huwei013@chinasoftinc.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-Originating-IP": "[114.119.4.74]", "X-Barracuda-Connect": "inccas001.ito.icss[10.168.0.51]", "X-Barracuda-Start-Time": "1583746369", "X-Barracuda-Encrypted": "ECDHE-RSA-AES256-SHA", "X-Barracuda-URL": "https://incspam.chinasofti.com:443/cgi-mod/mark.cgi", "X-Virus-Scanned": "by bsmtpd at chinasoftinc.com", "X-Barracuda-Scan-Msg-Size": "1690", "Subject": "[dpdk-dev] [PATCH v2 3/5] net/hns3: remove unnecessary restriction\n\ton setting VF's MTU", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "From: Chengchang Tang <tangchengchang@huawei.com>\n\nThe hns3 PF/VF devices on the same port share the hardware MTU\nconfiguration. Currently, we send mailbox to inform hns3 PF kernel\nethdev driver to finish hardware MTU configuration in hns3 VF PMD\ndriver, there is no need to stop the port for hns3 VF device, and\nthe MTU value issued by hns3 VF PMD driver must be less than or\nequal to PF's MTU.\n\nSigned-off-by: Chengchang Tang <tangchengchang@huawei.com>\nSigned-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>\n---\n drivers/net/hns3/hns3_ethdev_vf.c | 14 ++++++++------\n 1 file changed, 8 insertions(+), 6 deletions(-)", "diff": "diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c\nindex f4e05e1c5..6b787133f 100644\n--- a/drivers/net/hns3/hns3_ethdev_vf.c\n+++ b/drivers/net/hns3/hns3_ethdev_vf.c\n@@ -619,12 +619,14 @@ hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)\n \tuint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;\n \tint ret;\n \n-\tif (dev->data->dev_started) {\n-\t\thns3_err(hw, \"Failed to set mtu, port %u must be stopped \"\n-\t\t\t \"before configuration\", dev->data->port_id);\n-\t\treturn -EBUSY;\n-\t}\n-\n+\t/*\n+\t * The hns3 PF/VF devices on the same port share the hardware MTU\n+\t * configuration. Currently, we send mailbox to inform hns3 PF kernel\n+\t * ethdev driver to finish hardware MTU configuration in hns3 VF PMD\n+\t * driver, there is no need to stop the port for hns3 VF device, and the\n+\t * MTU value issued by hns3 VF PMD driver must be less than or equal to\n+\t * PF's MTU.\n+\t */\n \tif (rte_atomic16_read(&hw->reset.resetting)) {\n \t\thns3_err(hw, \"Failed to set mtu during resetting\");\n \t\treturn -EIO;\n", "prefixes": [ "v2", "3/5" ] }