From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingjing Wu Subject: [PATCH] i40e: fix set max frame size to default Date: Tue, 15 Dec 2015 22:52:48 +0800 Message-ID: <1450191168-21573-1-git-send-email-jingjing.wu@intel.com> Cc: shijiex.dong@intel.com To: dev@dpdk.org Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id A20B311F5 for ; Tue, 15 Dec 2015 15:52:58 +0100 (CET) List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" In FreeBsd driver, the max frame size is changed to MTU, but not keep the default value defined in DataSheet. When DPDK runs on that NIC, the configured value is not expected. This patch sets the max frame size to default when initialization. Fixes: 4861cde46116 ("i40e: new poll mode driver") Signed-off-by: Jingjing Wu --- drivers/net/i40e/i40e_ethdev.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 22b240c..bf6220d 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -919,6 +919,11 @@ eth_i40e_dev_init(struct rte_eth_dev *dev) */ i40e_add_tx_flow_control_drop_filter(pf); + /* Set the max frame size to 0x2600 by default, + * in case other drivers changed the default value. + */ + i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, 0, NULL); + /* initialize mirror rule list */ TAILQ_INIT(&pf->mirror_list); -- 2.4.0