From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Stokes Subject: [RFC 2/6] net/i40e: set min and max MTU for i40e devices Date: Wed, 20 Feb 2019 15:57:51 +0000 Message-ID: <1550678275-4959-3-git-send-email-ian.stokes@intel.com> References: <1550678275-4959-1-git-send-email-ian.stokes@intel.com> Cc: stephen@networkplumber.org, Ian Stokes To: dev@dpdk.org Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 7D6592B9E for ; Wed, 20 Feb 2019 16:58:33 +0100 (CET) In-Reply-To: <1550678275-4959-1-git-send-email-ian.stokes@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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