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 29A94A00E6 for ; Fri, 22 Mar 2019 14:01:57 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6AA261B5D3; Fri, 22 Mar 2019 14:01:36 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id B626A1B5C5 for ; Fri, 22 Mar 2019 14:01:31 +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 06:01:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,256,1549958400"; d="scan'208";a="284955624" Received: from sivswdev08.ir.intel.com (HELO localhost.localdomain) ([10.237.217.47]) by orsmga004.jf.intel.com with ESMTP; 22 Mar 2019 06:01:30 -0700 From: Ian Stokes To: dev@dpdk.org Cc: stephen@networkplumber.org, Ian Stokes Date: Fri, 22 Mar 2019 13:01:14 +0000 Message-Id: <1553259678-4515-4-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 3/7] net/i40e: set min and max MTU for i40e VF 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: <20190322130114.nmSglYV3Ru2Ed9i_ckhqCqGPQrSbC6QJGwKR0nDfUL4@z> This commit sets the min and max supported MTU values for i40e VF devices via the i40evf_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_vf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 7e4bd7314..add7b2223 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -2216,6 +2216,8 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->max_tx_queues = I40E_MAX_QP_NUM_PER_VF; dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN; dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX; + dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD; + dev_info->min_mtu = ETHER_MIN_MTU; dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t); dev_info->reta_size = ETH_RSS_RETA_SIZE_64; dev_info->flow_type_rss_offloads = vf->adapter->flow_types_mask; -- 2.13.6