From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-outbound-1.vmware.com (smtp-outbound-1.vmware.com [208.91.2.12]) by dpdk.org (Postfix) with ESMTP id E65607F48 for ; Sat, 8 Nov 2014 02:30:50 +0100 (CET) Received: from sc9-mailhost2.vmware.com (sc9-mailhost2.vmware.com [10.113.161.72]) by smtp-outbound-1.vmware.com (Postfix) with ESMTP id 5DEB5281E8 for ; Fri, 7 Nov 2014 17:40:23 -0800 (PST) Received: from prmh-edge-ivybridge-13.eng.vmware.com (prmh-edge-ivybridge-13.eng.vmware.com [10.24.235.96]) by sc9-mailhost2.vmware.com (Postfix) with ESMTP id 58F9AB15E8; Fri, 7 Nov 2014 17:40:23 -0800 (PST) From: Jia Yu To: dev@dpdk.org Date: Fri, 7 Nov 2014 09:31:50 -0800 Message-Id: <1415381511-43364-2-git-send-email-jyu@vmware.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415381511-43364-1-git-send-email-jyu@vmware.com> References: <1415381511-43364-1-git-send-email-jyu@vmware.com> Subject: [dpdk-dev] [PATCH 1/2] rte_ethdev: update link status (speed, duplex, link_up) after rte_eth_dev_start X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Nov 2014 01:30:51 -0000 Since LSR interrupt is disabled by pmd drivers, link status in rte_eth_device is always down. Bond slave_configure() enables LSR interrupt on devices to get notification if link status changes. However, the LSC interrupt at device start time is still lost. In this fix, call link_update to read link status from hardware register at device start time. Issue: Change-Id: Ib57a1c9114f922485c7b0f4338bfe7b3d3f87d65 Signed-off-by: Jia Yu --- lib/librte_ether/rte_ethdev.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index ff1c769..6c01b02 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -869,6 +869,10 @@ rte_eth_dev_start(uint8_t port_id) rte_eth_dev_config_restore(port_id); + if (dev->data->dev_conf.intr_conf.lsc != 0) { + FUNC_PTR_OR_ERR_RET(*dev->dev_ops->link_update, -ENOTSUP); + (*dev->dev_ops->link_update)(dev, 0); + } return 0; } -- 1.9.1