From patchwork Fri Mar 29 17:52:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ferruh Yigit X-Patchwork-Id: 51936 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0EFDF4C9C; Fri, 29 Mar 2019 18:52:37 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 5BC7E4C88 for ; Fri, 29 Mar 2019 18:52:29 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Mar 2019 10:52:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,285,1549958400"; d="scan'208";a="138396999" Received: from silpixa00399752.ir.intel.com (HELO silpixa00399752.ger.corp.intel.com) ([10.237.222.212]) by orsmga003.jf.intel.com with ESMTP; 29 Mar 2019 10:52:27 -0700 From: Ferruh Yigit To: Beilei Xing , Qi Zhang Cc: dev@dpdk.org, Ian Stokes Date: Fri, 29 Mar 2019 17:52:15 +0000 Message-Id: <20190329175219.23831-3-ferruh.yigit@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190329175219.23831-1-ferruh.yigit@intel.com> References: <1553259678-4515-1-git-send-email-ian.stokes@intel.com> <20190329175219.23831-1-ferruh.yigit@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v3 3/7] net/i40e: set min and max MTU for i40e VF devices 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" From: Ian Stokes This commit sets the min and max supported MTU values for i40e VF devices via the i40evf_dev_info_get() function. Min MTU supported is set to ETHER_MIN_MTU and max mtu is calculated as the max packet length supported minus the transport overhead. Signed-off-by: Ian Stokes --- drivers/net/i40e/i40e_ethdev_vf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 7e4bd7314..add7b2223 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -2216,6 +2216,8 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->max_tx_queues = I40E_MAX_QP_NUM_PER_VF; dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN; dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX; + dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD; + dev_info->min_mtu = ETHER_MIN_MTU; dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t); dev_info->reta_size = ETH_RSS_RETA_SIZE_64; dev_info->flow_type_rss_offloads = vf->adapter->flow_types_mask;