From patchwork Tue Jan 22 08:11:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhao1, Wei" X-Patchwork-Id: 49990 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CD1452C38; Tue, 22 Jan 2019 09:37:16 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 9E9FDB62; Tue, 22 Jan 2019 09:37:15 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jan 2019 00:37:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,505,1539673200"; d="scan'208";a="111676876" Received: from dpdk6.bj.intel.com ([172.16.182.192]) by orsmga008.jf.intel.com with ESMTP; 22 Jan 2019 00:37:13 -0800 From: Wei Zhao To: dev@dpdk.org Cc: stable@dpdk.org, qi.z.zhang@intel.com, yuan.peng@intel.com, Wei Zhao Date: Tue, 22 Jan 2019 16:11:03 +0800 Message-Id: <1548144663-3735-1-git-send-email-wei.zhao1@intel.com> X-Mailer: git-send-email 2.7.5 Subject: [dpdk-dev] [PATCH] net/i40e: fix queue region error in priority configuration 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" There is no need to set vlan priority realted resigsters when there is no configuration about that in queue region. Fixes: 7cbecc2f7424 ("net/i40e: support queue region set and flush") Signed-off-by: Wei Zhao Tested-by: Peng Yuan < yuan.peng@intel.com@intel.com> Acked-by: Qi Zhang --- drivers/net/i40e/rte_pmd_i40e.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/i40e/rte_pmd_i40e.c b/drivers/net/i40e/rte_pmd_i40e.c index 7ce5d02..c49c872 100644 --- a/drivers/net/i40e/rte_pmd_i40e.c +++ b/drivers/net/i40e/rte_pmd_i40e.c @@ -2818,13 +2818,23 @@ i40e_queue_region_dcb_configure(struct i40e_hw *hw, struct i40e_dcbx_config *old_cfg = &hw->local_dcbx_config; int32_t ret = -EINVAL; uint16_t i, j, prio_index, region_index; - uint8_t tc_map, tc_bw, bw_lf; + uint8_t tc_map, tc_bw, bw_lf, dcb_flag = 0; if (!info->queue_region_number) { PMD_DRV_LOG(ERR, "No queue region been set before"); return ret; } + for (i = 0; i < info->queue_region_number; i++) { + if (info->region[i].user_priority_num) { + dcb_flag = 1; + break; + } + } + + if (dcb_flag == 0) + return 0; + dcb_cfg = &dcb_cfg_local; memset(dcb_cfg, 0, sizeof(struct i40e_dcbx_config));