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{ "id": 350, "url": "http://patches.dpdk.org/api/covers/350/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20231102121608.10170-1-lihuisong@huawei.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": "<20231102121608.10170-1-lihuisong@huawei.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20231102121608.10170-1-lihuisong@huawei.com", "date": "2023-11-02T12:16:05", "name": "[v4,0/3] introduce maximum Rx buffer size", "submitter": { "id": 2085, "url": "http://patches.dpdk.org/api/people/2085/?format=api", "name": "lihuisong (C)", "email": "lihuisong@huawei.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20231102121608.10170-1-lihuisong@huawei.com/mbox/", "series": [ { "id": 30118, "url": "http://patches.dpdk.org/api/series/30118/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30118", "date": "2023-11-02T12:16:05", "name": "introduce maximum Rx buffer size", "version": 4, "mbox": "http://patches.dpdk.org/series/30118/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/350/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id A6E404326E;\n\tThu, 2 Nov 2023 13:15:54 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 2C637406B8;\n\tThu, 2 Nov 2023 13:15:54 +0100 (CET)", "from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188])\n by mails.dpdk.org (Postfix) with ESMTP id E516E40262\n for <dev@dpdk.org>; Thu, 2 Nov 2023 13:15:52 +0100 (CET)", "from kwepemm000004.china.huawei.com (unknown [172.30.72.56])\n by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4SLjR22S27zPnyn;\n Thu, 2 Nov 2023 20:11:42 +0800 (CST)", "from localhost.localdomain (10.69.192.56) by\n kwepemm000004.china.huawei.com (7.193.23.18) with Microsoft SMTP Server\n (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id\n 15.1.2507.31; Thu, 2 Nov 2023 20:15:48 +0800" ], "From": "Huisong Li <lihuisong@huawei.com>", "To": "<dev@dpdk.org>", "CC": "<thomas@monjalon.net>, <ferruh.yigit@amd.com>,\n <andrew.rybchenko@oktetlabs.ru>, <liuyonglong@huawei.com>,\n <lihuisong@huawei.com>", "Subject": "[PATCH v4 0/3] introduce maximum Rx buffer size", "Date": "Thu, 2 Nov 2023 20:16:05 +0800", "Message-ID": "<20231102121608.10170-1-lihuisong@huawei.com>", "X-Mailer": "git-send-email 2.33.0", "In-Reply-To": "<20230808040234.12947-1-lihuisong@huawei.com>", "References": "<20230808040234.12947-1-lihuisong@huawei.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-Originating-IP": "[10.69.192.56]", "X-ClientProxiedBy": "dggems702-chm.china.huawei.com (10.3.19.179) To\n kwepemm000004.china.huawei.com (7.193.23.18)", "X-CFilter-Loop": "Reflected", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "The \"min_rx_bufsize\" in struct rte_eth_dev_info stands for the minimum\nRx buffer size supported by hardware. Actually, some engines also have\nthe maximum Rx buffer specification, like, hns3.\n\nIf mbuf data room size in mempool is greater then the maximum Rx buffer\nsize supported by HW, the data size application used in each mbuf is just\nas much as the maximum Rx buffer size supported by HW instead of the whole\ndata room size.\n\nSo introduce maximum Rx buffer size which is not enforced just to report\nuser to avoid memory waste.\n\n---\nv4:\n - fix the log in rte_eth_rx_queue_setup.\n - add a comment in rel_notes.\n\nv3:\n - fix some comments for Morten's advice.\n\nv2:\n - fix some comments\n - fix the log level when data room size is greater than maximum Rx\n buffer size.\n\nv1:\n - move max_rx_bufsize to min_rx_bufsize closer in struct rte_eth_dev_info\n - add max_rx_bufsize display in testpmd.\n - hns3 reports maximum buffer size.\n\nHuisong Li (3):\n ethdev: introduce maximum Rx buffer size\n app/testpmd: add maximum Rx buffer size display\n net/hns3: report maximum buffer size\n\n app/test-pmd/config.c | 2 ++\n doc/guides/rel_notes/release_23_11.rst | 7 +++++++\n drivers/net/hns3/hns3_common.c | 1 +\n lib/ethdev/rte_ethdev.c | 7 +++++++\n lib/ethdev/rte_ethdev.h | 10 +++++++++-\n 5 files changed, 26 insertions(+), 1 deletion(-)" }