From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6125AA0573; Thu, 5 Mar 2020 09:46:29 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 71AC61BFDB; Thu, 5 Mar 2020 09:46:27 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 992D31BFCE; Thu, 5 Mar 2020 09:46:25 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Mar 2020 00:46:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,517,1574150400"; d="scan'208";a="275009284" Received: from dpdk.sh.intel.com ([10.239.255.14]) by fmsmga002.fm.intel.com with ESMTP; 05 Mar 2020 00:46:21 -0800 From: Shougang Wang To: dev@dpdk.org Cc: qiming.yang@intel.com, beilei.xing@intel.com, Shougang Wang , stable@dpdk.org Date: Thu, 5 Mar 2020 08:40:37 +0000 Message-Id: <20200305084037.69571-1-shougangx.wang@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [dpdk-dev] [PATCH] net/i40e: fix DCB init issue 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" Stopping lldp is necessary for DPDK, but it will cause DCB init failed. For kernel shared code, the prerequisite for successful initialization of DCB is that LLDP is enabled. This patch starts lldp before DCB init and stops it when finish init. Fixes: a8e84b22bd55 ("net/i40e/base: support persistent LLDP") Cc: stable@dpdk.org Signed-off-by: Shougang Wang --- drivers/net/i40e/i40e_ethdev.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 9fbda1c34..9f37662f8 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -11669,11 +11669,9 @@ i40e_dcb_init_configure(struct rte_eth_dev *dev, bool sw_dcb) * LLDP MIB change event. */ if (sw_dcb == TRUE) { - if (i40e_need_stop_lldp(dev)) { - ret = i40e_aq_stop_lldp(hw, TRUE, TRUE, NULL); - if (ret != I40E_SUCCESS) - PMD_INIT_LOG(DEBUG, "Failed to stop lldp"); - } + ret = i40e_aq_start_lldp(hw, true, NULL); + if (ret != I40E_SUCCESS) + PMD_INIT_LOG(DEBUG, "Failed to start lldp"); ret = i40e_init_dcb(hw, true); /* If lldp agent is stopped, the return value from @@ -11718,6 +11716,12 @@ i40e_dcb_init_configure(struct rte_eth_dev *dev, bool sw_dcb) ret, hw->aq.asq_last_status); return -ENOTSUP; } + + if (i40e_need_stop_lldp(dev)) { + ret = i40e_aq_stop_lldp(hw, true, true, NULL); + if (ret != I40E_SUCCESS) + PMD_INIT_LOG(DEBUG, "Failed to stop lldp"); + } } else { ret = i40e_aq_start_lldp(hw, true, NULL); if (ret != I40E_SUCCESS) -- 2.17.1