From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 21006A034C; Fri, 19 Aug 2022 20:39:36 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0BC4942BFA; Fri, 19 Aug 2022 20:36:43 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mails.dpdk.org (Postfix) with ESMTP id 1058342B76; Fri, 19 Aug 2022 20:36:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1660934186; x=1692470186; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=045UnFglPJl53Slo6izmtdphr2l/kxuy/gwgceyFECg=; b=ghariqOvoyn5MwbRyANWyvh/yivPrzliqcwsM7yOI/Q/HMG3UdYuLBrU nQqTGXVLieAkg3faN0CyBruV+ADsb7iGvrG9wAFQIynpsRuZti664H70k MDzUb8De9hsxfdm0xE5nfepdLMcRKRK8SYNcpiOaIrW4M7qh7XTkIDzMF sePp80fpafDXS6BWbribPlfEC2Pj4V1PQ15tCBJVvbtUHYIAqbLahMg5Z S+2t4p6L4r5geK5ggkOqltUulY1n+7jTqBC264FL3o2pZ/hH05Pt7MBCQ v3ZhCb2XjCwGT3FX0QqmmVZ2B9w6vZipDfMkZb54vm1Md20DivRMtvyNM A==; X-IronPort-AV: E=McAfee;i="6500,9779,10444"; a="319107319" X-IronPort-AV: E=Sophos;i="5.93,248,1654585200"; d="scan'208";a="319107319" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2022 11:36:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,248,1654585200"; d="scan'208";a="608296351" Received: from unknown (HELO csl-npg-qt0.la.intel.com) ([10.233.181.103]) by orsmga002.jf.intel.com with ESMTP; 19 Aug 2022 11:36:25 -0700 From: Hernan Vargas To: dev@dpdk.org, gakhil@marvell.com, trix@redhat.com Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com, Hernan Vargas , stable@dpdk.org Subject: [PATCH v2 31/37] baseband/acc100: fix clearing PF IR outside handler Date: Fri, 19 Aug 2022 19:31:51 -0700 Message-Id: <20220820023157.189047-32-hernan.vargas@intel.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220820023157.189047-1-hernan.vargas@intel.com> References: <20220820023157.189047-1-hernan.vargas@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Clearing of PF info ring outside of handler may cause interrupt to be missed. A condition in the ACC100 PMD implementation may cause an interrupt functional handler call to be missed due to related bit being cleared when checking PF info ring status. Fixes: 06531464151 ("baseband/acc100: support interrupt") Cc: stable@dpdk.org Signed-off-by: Hernan Vargas --- drivers/baseband/acc100/rte_acc100_pmd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c index 72e46953ee..4596f5df42 100644 --- a/drivers/baseband/acc100/rte_acc100_pmd.c +++ b/drivers/baseband/acc100/rte_acc100_pmd.c @@ -437,11 +437,12 @@ acc100_check_ir(struct acc100_device *acc100_dev) while (ring_data->valid) { if ((ring_data->int_nb < ACC100_PF_INT_DMA_DL_DESC_IRQ) || ( ring_data->int_nb > - ACC100_PF_INT_DMA_DL5G_DESC_IRQ)) + ACC100_PF_INT_DMA_DL5G_DESC_IRQ)) { rte_bbdev_log(WARNING, "InfoRing: ITR:%d Info:0x%x", ring_data->int_nb, ring_data->detailed_info); - /* Initialize Info Ring entry and move forward */ - ring_data->val = 0; + /* Initialize Info Ring entry and move forward */ + ring_data->val = 0; + } info_ring_head++; ring_data = acc100_dev->info_ring + (info_ring_head & ACC100_INFO_RING_MASK); -- 2.37.1