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 9D7B2A034D for ; Mon, 17 Aug 2020 11:26:47 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8740F1C136; Mon, 17 Aug 2020 11:26:47 +0200 (CEST) Received: from mail.chinasoftinc.com (unknown [114.113.233.8]) by dpdk.org (Postfix) with ESMTP id A30201C124 for ; Mon, 17 Aug 2020 11:26:45 +0200 (CEST) Received: from localhost.localdomain (120.133.139.157) by INCCAS001.ito.icss (10.168.0.60) with Microsoft SMTP Server id 14.3.487.0; Mon, 17 Aug 2020 17:25:46 +0800 From: "Wei Hu (Xavier)" To: CC: Date: Mon, 17 Aug 2020 17:25:26 +0800 Message-ID: <20200817092532.59530-19-huwei013@chinasoftinc.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200817092532.59530-1-huwei013@chinasoftinc.com> References: <20200817092532.59530-1-huwei013@chinasoftinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [120.133.139.157] Subject: [dpdk-stable] [PATCH 18/24] net/hns3: report Tx descriptor segment limitations X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" From: Lijun Ou [ upstream commit eb8b3a0d829bc109dfb13de9c8cdeacda5449e69 ] According to the user manual of Kunpeng920 SoC, the max allowed number of segments per whole packet is 63 and the max number of segments per packet is 8 in datapath. This patch reports the Two segment parameters of Tx descriptor limitations to DPDK framework. Signed-off-by: Lijun Ou Signed-off-by: Wei Hu (Xavier) --- drivers/net/hns3/hns3_ethdev.c | 2 ++ drivers/net/hns3/hns3_ethdev_vf.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index dbeb8930d..f156da843 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -2501,6 +2501,8 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) .nb_max = HNS3_MAX_RING_DESC, .nb_min = HNS3_MIN_RING_DESC, .nb_align = HNS3_ALIGN_RING_DESC, + .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT, + .nb_mtu_seg_max = HNS3_MAX_NON_TSO_BD_PER_PKT, }; info->vmdq_queue_num = 0; diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index c2a49346d..f34d32e39 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -952,6 +952,8 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) .nb_max = HNS3_MAX_RING_DESC, .nb_min = HNS3_MIN_RING_DESC, .nb_align = HNS3_ALIGN_RING_DESC, + .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT, + .nb_mtu_seg_max = HNS3_MAX_NON_TSO_BD_PER_PKT, }; info->vmdq_queue_num = 0; -- 2.27.0