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{
    "id": 316,
    "url": "http://patches.dpdk.org/api/covers/316/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/cover/20231027041523.14518-1-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",
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    },
    "msgid": "<20231027041523.14518-1-lihuisong@huawei.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20231027041523.14518-1-lihuisong@huawei.com",
    "date": "2023-10-27T04:15:20",
    "name": "[v2,0/3] 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/20231027041523.14518-1-lihuisong@huawei.com/mbox/",
    "series": [
        {
            "id": 30017,
            "url": "http://patches.dpdk.org/api/series/30017/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30017",
            "date": "2023-10-27T04:15:23",
            "name": "introduce maximum Rx buffer size",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/30017/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/covers/316/comments/",
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 164DB43210;\n\tFri, 27 Oct 2023 06:15:18 +0200 (CEST)",
            "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 8E92F40EE2;\n\tFri, 27 Oct 2023 06:15:06 +0200 (CEST)",
            "from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187])\n by mails.dpdk.org (Postfix) with ESMTP id 33450402D4\n for <dev@dpdk.org>; Fri, 27 Oct 2023 06:15:02 +0200 (CEST)",
            "from kwepemm000004.china.huawei.com (unknown [172.30.72.53])\n by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SGq2549D9zpWQ7;\n Fri, 27 Oct 2023 12:10:05 +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; Fri, 27 Oct 2023 12:14:59 +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 v2 0/3] introduce maximum Rx buffer size",
        "Date": "Fri, 27 Oct 2023 12:15:20 +0800",
        "Message-ID": "<20231027041523.14518-1-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>",
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        "X-ClientProxiedBy": "dggems704-chm.china.huawei.com (10.3.19.181) To\n kwepemm000004.china.huawei.com (7.193.23.18)",
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        "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---\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 drivers/net/hns3/hns3_common.c | 1 +\n lib/ethdev/rte_ethdev.c        | 7 +++++++\n lib/ethdev/rte_ethdev.h        | 9 ++++++++-\n 4 files changed, 18 insertions(+), 1 deletion(-)"
}