From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Zhao Subject: [PATCH] net/i40e: fix queue region error in priority configuration Date: Tue, 22 Jan 2019 16:11:03 +0800 Message-ID: <1548144663-3735-1-git-send-email-wei.zhao1@intel.com> Cc: stable@dpdk.org, qi.z.zhang@intel.com, yuan.peng@intel.com, Wei Zhao To: dev@dpdk.org Return-path: 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 --- 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)); -- 2.7.5