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 F3BB4A052B; Tue, 28 Jul 2020 13:40:46 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 227A41BFF2; Tue, 28 Jul 2020 13:40:46 +0200 (CEST) Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by dpdk.org (Postfix) with ESMTP id 559AB2B9C for ; Tue, 28 Jul 2020 13:40:44 +0200 (CEST) Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 187426E325EAB13485E3; Tue, 28 Jul 2020 19:40:40 +0800 (CST) Received: from [127.0.0.1] (10.65.81.238) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Tue, 28 Jul 2020 19:40:31 +0800 To: Ferruh Yigit , References: <1592894934-57856-1-git-send-email-tangchengchang@huawei.com> <1595399890-27300-1-git-send-email-tangchengchang@huawei.com> <6da5b3f1-bc8b-a601-3da5-e0321ac7ca81@huawei.com> CC: , , From: Chengchang Tang Message-ID: Date: Tue, 28 Jul 2020 19:39:41 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.65.81.238] X-CFilter-Loop: Reflected 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" Hi Ferruh, Thank you for your reply. I'm sorry to bother you while you are busy with the release. I know this change may only be accepted in the next release. I'd like to know what the community thinks about it. If there is no objection, I will send the patch after current release out. On 2020/7/28 17:30, Ferruh Yigit wrote: > 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 >>> >>> . >>> >> > > > . >