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 CC3F9A04DB; Fri, 16 Oct 2020 10:17:16 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9939A1EB7C; Fri, 16 Oct 2020 10:13:57 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 97A2A1EB74 for ; Fri, 16 Oct 2020 10:13:55 +0200 (CEST) IronPort-SDR: 6w2XG43zNelPa5285N1wn3fSzOmgICKHsrmBqPexQRTJgxubgmLuuYIYrIPi+S75Wx/7BpS5v8 9rn8jp6DRFxQ== X-IronPort-AV: E=McAfee;i="6000,8403,9775"; a="163937666" X-IronPort-AV: E=Sophos;i="5.77,382,1596524400"; d="scan'208";a="163937666" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2020 01:13:55 -0700 IronPort-SDR: HGIVAxzNM1CD1eTX4yhP25ABIsq63jkrMFU652gyxSyMLQTCHKcFATeso1EPT58i7mcypNNiLO CnSdtIk8wKXg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,382,1596524400"; d="scan'208";a="521096980" Received: from silpixa00400355.ir.intel.com (HELO silpixa00400355.ger.corp.intel.com) ([10.237.222.239]) by fmsmga006.fm.intel.com with ESMTP; 16 Oct 2020 01:13:52 -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 , Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko , Viacheslav Ovsiienko , Matan Azrad , Shahaf Shuler Date: Fri, 16 Oct 2020 09:13:13 +0100 Message-Id: <20201016081320.186775-12-ciara.power@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20201016081320.186775-1-ciara.power@intel.com> References: <20200807155859.63888-1-ciara.power@intel.com> <20201016081320.186775-1-ciara.power@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v8 11/18] net/mlx5: 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: Matan Azrad Cc: Shahaf Shuler Cc: Viacheslav Ovsiienko Signed-off-by: Ciara Power Acked-by: Viacheslav Ovsiienko --- v4: Updated enum name. v2: Moved check for max bitwidth into existing check vec support function. --- drivers/net/mlx5/mlx5_rxtx_vec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/mlx5/mlx5_rxtx_vec.c b/drivers/net/mlx5/mlx5_rxtx_vec.c index 711dcd35fa..49f1b61ff8 100644 --- a/drivers/net/mlx5/mlx5_rxtx_vec.c +++ b/drivers/net/mlx5/mlx5_rxtx_vec.c @@ -148,6 +148,8 @@ mlx5_check_vec_rx_support(struct rte_eth_dev *dev) struct mlx5_priv *priv = dev->data->dev_private; uint32_t i; + if (rte_get_max_simd_bitwidth() < RTE_SIMD_128) + return -ENOTSUP; if (!priv->config.rx_vec_en) return -ENOTSUP; if (mlx5_mprq_enabled(dev)) -- 2.22.0