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{
    "id": 324,
    "url": "http://patches.dpdk.org/api/covers/324/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/cover/20231028014847.27149-1-lihuisong@huawei.com/",
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    "msgid": "<20231028014847.27149-1-lihuisong@huawei.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20231028014847.27149-1-lihuisong@huawei.com",
    "date": "2023-10-28T01:48:44",
    "name": "[v3,0/3] 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/20231028014847.27149-1-lihuisong@huawei.com/mbox/",
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        {
            "id": 30035,
            "url": "http://patches.dpdk.org/api/series/30035/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30035",
            "date": "2023-10-28T01:48:45",
            "name": "introduce maximum Rx buffer size",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/30035/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/covers/324/comments/",
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 7A7234321C;\n\tSat, 28 Oct 2023 03:48:45 +0200 (CEST)",
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            "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; Sat, 28 Oct 2023 09:48:23 +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 v3 0/3] introduce maximum Rx buffer size",
        "Date": "Sat, 28 Oct 2023 09:48:44 +0800",
        "Message-ID": "<20231028014847.27149-1-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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        "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---\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\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        | 10 +++++++++-\n 4 files changed, 19 insertions(+), 1 deletion(-)"
}