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 27381A0096 for ; Tue, 7 May 2019 03:51:46 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A97DC28FD; Tue, 7 May 2019 03:51:44 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 5857E2082 for ; Tue, 7 May 2019 03:51:42 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 May 2019 18:51:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,440,1549958400"; d="scan'208";a="155824436" Received: from dpdk51.sh.intel.com ([10.67.110.245]) by FMSMGA003.fm.intel.com with ESMTP; 06 May 2019 18:51:39 -0700 From: Qi Zhang To: wenzhuo.lu@intel.com, qiming.yang@intel.com Cc: ian.stokes@intel.com, ferruh.yigit@intel.com, dev@dpdk.org, Qi Zhang Date: Tue, 7 May 2019 09:53:46 +0800 Message-Id: <20190507015346.32214-1-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 Subject: [dpdk-dev] [PATCH v2] net/ice: set min and max MTU 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: <20190507015346.o4CpyoR4M384opVGCOGvB3XT_rx-IdxAHbtlCrC8RUE@z> This commit sets the min and max supported MTU values for ice devices via the ice_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: Qi Zhang --- v2: - fix typo drivers/net/ice/ice_ethdev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index 1f06a2c80..9f5f919f4 100644 --- a/drivers/net/ice/ice_ethdev.c +++ b/drivers/net/ice/ice_ethdev.c @@ -1994,6 +1994,8 @@ ice_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->max_tx_queues = vsi->nb_qps; 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 - ICE_ETH_OVERHEAD; + dev_info->min_mtu = ETHER_MIN_MTU; dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP | -- 2.13.6