From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 2410DA0538; Thu, 23 Jan 2020 10:07:41 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D03FB2956; Thu, 23 Jan 2020 10:07:39 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id A69DAE07 for ; Thu, 23 Jan 2020 10:07:37 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Jan 2020 01:07:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,353,1574150400"; d="scan'208";a="245334185" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by orsmga002.jf.intel.com with ESMTP; 23 Jan 2020 01:07:34 -0800 To: Ye Xiaolong , "Xing, Beilei" Cc: "Zhang, Qi Z" , "dev@dpdk.org" , "Stillwell Jr, Paul M" References: <20200122035810.154767-1-xiaolong.ye@intel.com> <94479800C636CB44BD422CB454846E013CECFDA5@SHSMSX101.ccr.corp.intel.com> <20200122074913.GB41361@intel.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH] net/i40e/base: skip further adminq init for VF X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 1/22/2020 7:49 AM, Ye Xiaolong wrote: > On 01/22, Xing, Beilei wrote: >> >> >>> -----Original Message----- >>> From: Ye, Xiaolong >>> Sent: Wednesday, January 22, 2020 11:58 AM >>> To: Xing, Beilei ; Zhang, Qi Z >>> Cc: dev@dpdk.org; Ye, Xiaolong >>> Subject: [PATCH] net/i40e/base: skip further adminq init for VF >>> >>> Since VF has no need of firmware, we can skip further adminq init which >>> involves firmware operation, this patch fixes the testpmd segfault issue when >>> starting with i40e VF. >>> >>> Fixes: d5e1a149362e ("net/i40e/base: check MAC type") >>> >>> Signed-off-by: Xiaolong Ye >>> --- >>> drivers/net/i40e/base/i40e_adminq.c | 3 +++ >>> 1 file changed, 3 insertions(+) >>> >>> diff --git a/drivers/net/i40e/base/i40e_adminq.c >>> b/drivers/net/i40e/base/i40e_adminq.c >>> index 221c327d1..bc9ef3c87 100644 >>> --- a/drivers/net/i40e/base/i40e_adminq.c >>> +++ b/drivers/net/i40e/base/i40e_adminq.c >>> @@ -673,6 +673,9 @@ enum i40e_status_code i40e_init_adminq(struct >>> i40e_hw *hw) >>> if (ret_code != I40E_SUCCESS) >>> goto init_adminq_free_asq; >>> >>> + if (i40e_is_vf(hw)) >>> + goto init_adminq_exit; >>> + >>> /* There are some cases where the firmware may not be quite ready >>> * for AdminQ operations, so we retry the AdminQ setup a few times >>> * if we see timeouts in this first AQ call. >>> -- >>> 2.17.1 >> >> Acked-by: Beilei Xing > > Applied to dpdk-next-net-intel, Thanks. > Commented new block while merging to next-net, change become: + /* VF has no need of firmware */ + if (i40e_is_vf(hw)) + goto init_adminq_exit;