From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 037FFA052B; Tue, 28 Jul 2020 11:30:16 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D41061C02E; Tue, 28 Jul 2020 11:30:16 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 308111BFF4 for ; Tue, 28 Jul 2020 11:30:15 +0200 (CEST) IronPort-SDR: /4GeBkSzFSnV1vORFm3+qhWeo3bd0VX5OeTErRmCxb7HhPPb1/M5UaCrP7VYs4+4wBIQ6VuA1I hMB/XCqVIlaQ== X-IronPort-AV: E=McAfee;i="6000,8403,9695"; a="169290804" X-IronPort-AV: E=Sophos;i="5.75,405,1589266800"; d="scan'208";a="169290804" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2020 02:30:12 -0700 IronPort-SDR: +l1bI+8bK7y3xJ4+xoqDdFl+TIiOGhN9dhtdtfGdohR9VH320vCw7QlD778IyKgvsKdygmwXZZ 8091x0JE00pg== X-IronPort-AV: E=Sophos;i="5.75,405,1589266800"; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [RFC v2 0/3] add rx buffer size for rte_eth_rxq_info X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/28/2020 7:29 AM, Chengchang Tang wrote: > Friendly ping Hi Tang, Sorry for not making it clear, since it is a library change, the change is already late for this release (20.08), and it will be considered for next release. As current release out, we can continue the discussions. > > On 2020/7/22 14:38, Chengchang Tang wrote: >> In common practice, PMD configure the rx buffer size which indicate the >> buffer length could be used for hw in receiving packts according to the >> data room size of the object in mempool. But in fact the final value is >> related to the specifications of hw, and its values will affect the number >> of fragments in recieving pkts when scatter is enabled. By the way, some >> PMDs may force to enable scatter when the MTU is bigger than the hw rx >> buffer size. >> >> At present, we seem to have no way to expose relevant information to upper >> layer users. >> >> So, add a field named rx_buf_size in rte_eth_rxq_info to indicate the >> buffer size used in recieving pkts for hw. And this patchset also add hns3 >> PMD implementation and update the testpmd to clarify intention. >> >> v2: >> Add hns3 implementation and update testpmd. >> >> Chengchang Tang (2): >> ethdev: add a field for rte_eth_rxq_info >> app/testpmd: Add RX buffer size dispaly in queue info querry >> >> Huisong Li (1): >> net/hns3: add support for query of rx/tx queue info >> >> app/test-pmd/config.c | 1 + >> drivers/net/hns3/hns3_ethdev.c | 2 ++ >> drivers/net/hns3/hns3_ethdev_vf.c | 2 ++ >> drivers/net/hns3/hns3_rxtx.c | 48 +++++++++++++++++++++++++++++++++++++++ >> drivers/net/hns3/hns3_rxtx.h | 4 ++++ >> lib/librte_ethdev/rte_ethdev.h | 2 ++ >> 6 files changed, 59 insertions(+) >> >> -- >> 2.7.4 >> >> _______________________________________________ >> Linuxarm mailing list >> Linuxarm@huawei.com >> http://hulk.huawei.com/mailman/listinfo/linuxarm >> >> . >> >