From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernard Iremonger Subject: [PATCH v7] app/testpmd: fix DCB configuration Date: Fri, 28 Oct 2016 15:40:15 +0100 Message-ID: <1477665615-3723-1-git-send-email-bernard.iremonger@intel.com> References: <1477414269-27156-3-git-send-email-bernard.iremonger@intel.com> To: dev@dpdk.org, rahul.r.shah@intel.com, jingjing.wu@intel.com, wenzhuo.lu@intel.com Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 6566656A2 for ; Fri, 28 Oct 2016 16:40:20 +0200 (CEST) In-Reply-To: <1477414269-27156-3-git-send-email-bernard.iremonger@intel.com> 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" Data Centre Bridge (DCB) configuration fails when SRIOV is enabled if nb_rxq and nb_txq are not set to 1. When dcb_mode is DCB_VT_ENABLED and max_vfs is greater than zero, set nb_rxq and nb_txq to 1. The failure occurs during configuration of the ixgbe PMD when it is started, in the ixgbe_check_mq_mode function, if nb_rxq and nb_txq are not set to 1. Fixes: 2a977b891f99 ("app/testpmd: fix DCB configuration") Signed-off-by: Bernard Iremonger Changes in v7: restore nb_rxq and nb_txq setting when max_vfs is 0. --- app/test-pmd/testpmd.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index 6185be6..96f5011 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -2002,8 +2002,13 @@ init_port_dcb_config(portid_t pid, * and has the same number of rxq and txq in dcb mode */ if (dcb_mode == DCB_VT_ENABLED) { - nb_rxq = rte_port->dev_info.max_rx_queues; - nb_txq = rte_port->dev_info.max_tx_queues; + if (rte_port->dev_info.max_vfs > 0) { + nb_rxq = 1; + nb_txq = 1; + } else { + nb_rxq = rte_port->dev_info.max_rx_queues; + nb_txq = rte_port->dev_info.max_tx_queues; + } } else { /*if vt is disabled, use all pf queues */ if (rte_port->dev_info.vmdq_pool_base == 0) { -- 2.4.3