From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 753A03256 for ; Wed, 27 Feb 2019 22:45:55 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Feb 2019 13:45:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,420,1544515200"; d="scan'208";a="127759232" Received: from sivswdev08.ir.intel.com (HELO localhost.localdomain) ([10.237.217.47]) by fmsmga008.fm.intel.com with ESMTP; 27 Feb 2019 13:45:53 -0800 From: Ian Stokes To: dev@dpdk.org Cc: stephen@networkplumber.org, Ian Stokes Date: Wed, 27 Feb 2019 21:45:44 +0000 Message-Id: <1551303948-19746-3-git-send-email-ian.stokes@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1551303948-19746-1-git-send-email-ian.stokes@intel.com> References: <1551303948-19746-1-git-send-email-ian.stokes@intel.com> Subject: [dpdk-dev] [PATCH v1 2/6] 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: , X-List-Received-Date: Wed, 27 Feb 2019 21:45:56 -0000 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 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