From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id A8E95A00E6 for <public@inbox.dpdk.org>; Fri, 22 Mar 2019 14:01:48 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 86F921B5DC; Fri, 22 Mar 2019 14:01:33 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id B67D81B5C5 for <dev@dpdk.org>; Fri, 22 Mar 2019 14:01:29 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Mar 2019 06:01:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,256,1549958400"; d="scan'208";a="284955615" Received: from sivswdev08.ir.intel.com (HELO localhost.localdomain) ([10.237.217.47]) by orsmga004.jf.intel.com with ESMTP; 22 Mar 2019 06:01:28 -0700 From: Ian Stokes <ian.stokes@intel.com> To: dev@dpdk.org Cc: stephen@networkplumber.org, Ian Stokes <ian.stokes@intel.com> Date: Fri, 22 Mar 2019 13:01:13 +0000 Message-Id: <1553259678-4515-3-git-send-email-ian.stokes@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1553259678-4515-1-git-send-email-ian.stokes@intel.com> References: <1553259678-4515-1-git-send-email-ian.stokes@intel.com> Subject: [dpdk-dev] [PATCH v2 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 <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> Content-Type: text/plain; charset="UTF-8" Message-ID: <20190322130113.L-c6QyU6Gm-P0peCwWvpeB2R7eM9aFvv3-Vt943qd_g@z> 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 <ian.stokes@intel.com> --- 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 dca61f03a..caab1624f 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 | -- 2.13.6