From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DEB4C433DF for ; Thu, 15 Oct 2020 15:25:27 +0000 (UTC) Received: from dpdk.org (dpdk.org [92.243.14.124]) by mail.kernel.org (Postfix) with ESMTP id 9BE552225A for ; Thu, 15 Oct 2020 15:25:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9BE552225A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dev-bounces@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5EB301EAA2; Thu, 15 Oct 2020 17:23:45 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 9305E1EA9D for ; Thu, 15 Oct 2020 17:23:43 +0200 (CEST) IronPort-SDR: Ab8zCyAb3F0gxb2oSFyOj/MiLmqcf567R3PaWAdlvfeluLm+VIz9lgPpxfkztg9pEbwzRwuBQM 8Ua6oEDO+emg== X-IronPort-AV: E=McAfee;i="6000,8403,9775"; a="162909153" X-IronPort-AV: E=Sophos;i="5.77,379,1596524400"; d="scan'208";a="162909153" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2020 08:23:39 -0700 IronPort-SDR: mdBmuVRSiArR7vQc0uVX8nDDWax1194wwVJc1EzYkqGKhEAmnp5qaye6eXEqWkq0masVaZYU8v Go4ob4IUTz9g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,379,1596524400"; d="scan'208";a="346151818" Received: from silpixa00400355.ir.intel.com (HELO silpixa00400355.ger.corp.intel.com) ([10.237.222.239]) by fmsmga004.fm.intel.com with ESMTP; 15 Oct 2020 08:23:35 -0700 From: Ciara Power To: dev@dpdk.org Cc: viktorin@rehivetech.com, ruifeng.wang@arm.com, jerinj@marvell.com, drc@linux.vnet.ibm.com, bruce.richardson@intel.com, konstantin.ananyev@intel.com, david.marchand@redhat.com, Ciara Power , John Daley , Hyong Youb Kim Date: Thu, 15 Oct 2020 16:22:47 +0100 Message-Id: <20201015152259.97562-7-ciara.power@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20201015152259.97562-1-ciara.power@intel.com> References: <20200807155859.63888-1-ciara.power@intel.com> <20201015152259.97562-1-ciara.power@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v7 06/18] net/enic: add checks for max SIMD bitwidth 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" When choosing a vector path to take, an extra condition must be satisfied to ensure the max SIMD bitwidth allows for the CPU enabled path. Cc: John Daley Cc: Hyong Youb Kim Acked-by: Hyong Youb Kim Signed-off-by: Ciara Power --- v4: Updated enum name. --- drivers/net/enic/enic_rxtx_vec_avx2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/enic/enic_rxtx_vec_avx2.c b/drivers/net/enic/enic_rxtx_vec_avx2.c index 676b9f5fdb..75e9172177 100644 --- a/drivers/net/enic/enic_rxtx_vec_avx2.c +++ b/drivers/net/enic/enic_rxtx_vec_avx2.c @@ -821,7 +821,8 @@ enic_use_vector_rx_handler(struct rte_eth_dev *eth_dev) fconf = ð_dev->data->dev_conf.fdir_conf; if (fconf->mode != RTE_FDIR_MODE_NONE) return false; - if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) { + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) && + rte_get_max_simd_bitwidth() >= RTE_SIMD_256) { ENICPMD_LOG(DEBUG, " use the non-scatter avx2 Rx handler"); eth_dev->rx_pkt_burst = &enic_noscatter_vec_recv_pkts; enic->use_noscatter_vec_rx_handler = 1; -- 2.22.0