From mboxrd@z Thu Jan 1 00:00:00 1970 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 Received: from avluser05.qlc.com (10.1.113.115) by avcashub1.qlogic.org (10.1.4.190) with Microsoft SMTP Server (TLS) id 14.3.235.1; Fri, 30 Sep 2016 00:07:15 -0700 Received: (from rmody@localhost) by avluser05.qlc.com (8.14.4/8.14.4/Submit) id u8U77EDt008881; Fri, 30 Sep 2016 00:07:14 -0700 X-Authentication-Warning: avluser05.qlc.com: rmody set sender to rasesh.mody@qlogic.com using -f From: Rasesh Mody To: CC: , Harish Patil Date: Fri, 30 Sep 2016 00:06:04 -0700 Message-ID: <1475219169-8774-18-git-send-email-rasesh.mody@qlogic.com> X-Mailer: git-send-email 1.7.10.3 In-Reply-To: <1475219169-8774-1-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 disclaimer: bypass X-Proofpoint-Virus-Version: vendor=nai engine=5800 definitions=8303 signatures=670713 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609280000 definitions=main-1609300128 Subject: [dpdk-dev] [PATCH v2 17/22] qede: skip slowpath polling for 100G VF device 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: Fri, 30 Sep 2016 07:07:16 -0000 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