From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id D39DEA05D3 for ; Fri, 29 Mar 2019 18:52:39 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 36FAE4C9D; Fri, 29 Mar 2019 18:52:32 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id E7D8B2965 for ; Fri, 29 Mar 2019 18:52:26 +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 10:52:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,285,1549958400"; d="scan'208";a="138396985" 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 10:52:25 -0700 From: Ferruh Yigit To: Beilei Xing , Qi Zhang Cc: dev@dpdk.org, Ian Stokes Date: Fri, 29 Mar 2019 17:52:14 +0000 Message-Id: <20190329175219.23831-2-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 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v3 2/7] net/i40e: set min and max MTU for i40e 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" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190329175214.M1wnLEYca5JnvrWhqqkWJoQS5CugNeSj_na2yYV_jXc@z> From: Ian Stokes This commit sets the min and max supported MTU values for i40e devices via the i40e_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.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 3815aef6c..891bdc061 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -3499,6 +3499,8 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX; dev_info->max_mac_addrs = vsi->max_macaddrs; dev_info->max_vfs = pci_dev->max_vfs; + dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD; + dev_info->min_mtu = ETHER_MIN_MTU; dev_info->rx_queue_offload_capa = 0; dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP | -- 2.20.1