From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rasesh Mody Subject: [PATCH v2 17/22] qede: skip slowpath polling for 100G VF device Date: Fri, 30 Sep 2016 00:06:04 -0700 Message-ID: <1475219169-8774-18-git-send-email-rasesh.mody@qlogic.com> References: <1475219169-8774-1-git-send-email-rasesh.mody@qlogic.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Harish Patil To: Return-path: Received: from mx0b-0016ce01.pphosted.com (mx0b-0016ce01.pphosted.com [67.231.156.153]) by dpdk.org (Postfix) with ESMTP id 4030A5699 for ; Fri, 30 Sep 2016 09:07:16 +0200 (CEST) Received: from pps.filterd (m0085408.ppops.net [127.0.0.1]) by mx0b-0016ce01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8U76HaA021379 for ; Fri, 30 Sep 2016 00:07:15 -0700 Received: from avcashub1.qlogic.com ([198.186.0.115]) by mx0b-0016ce01.pphosted.com with ESMTP id 25s5nvu6d2-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Fri, 30 Sep 2016 00:07:15 -0700 In-Reply-To: <1475219169-8774-1-git-send-email-rasesh.mody@qlogic.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" From: Harish Patil There is no need to poll for slowpath events for VF device since the ramrod responses are received over PF-VF backchannel synchronously. So the fix is to restrict the slowpath polling for PF device only. Fixes 2af14ca ("net/qede: support 100G") Signed-off-by: Harish Patil --- drivers/net/qede/qede_ethdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index eb9b8aa..ae188ed 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -1369,7 +1369,7 @@ static int qede_common_dev_init(struct rte_eth_dev *eth_dev, bool is_vf) * This is required since uio device uses only one MSI-x * interrupt vector but we need one for each engine. */ - if (edev->num_hwfns > 1) { + if (edev->num_hwfns > 1 && IS_PF(edev)) { rc = rte_eal_alarm_set(timer_period * US_PER_S, qede_poll_sp_sb_cb, (void *)eth_dev); -- 1.8.3.1