From patchwork Wed Sep 30 13:04:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Power, Ciara" X-Patchwork-Id: 79343 X-Patchwork-Delegate: david.marchand@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 48A86A04B5; Wed, 30 Sep 2020 15:10:13 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B8F381DB3E; Wed, 30 Sep 2020 15:08:24 +0200 (CEST) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 32EDB1DAE5 for ; Wed, 30 Sep 2020 15:08:13 +0200 (CEST) IronPort-SDR: 6mJZ2szPrvO73SlrPtz0VSL3Ook3Rdsnw2fEAsNhUjskKCmGbM6CFJaovHR5RklkBfF3VNNXe2 TzXLevo4Dckw== X-IronPort-AV: E=McAfee;i="6000,8403,9759"; a="150223467" X-IronPort-AV: E=Sophos;i="5.77,322,1596524400"; d="scan'208";a="150223467" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2020 06:08:12 -0700 IronPort-SDR: nkOZx4ogUHL0YItGBlsagFDGjDuN5bmicHW2Cf2u1YsussBizezNsoMnY5mpnZym3Qun8P+LXA hlEYEKRc2zVQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,322,1596524400"; d="scan'208";a="294603205" Received: from silpixa00399953.ir.intel.com (HELO silpixa00399953.ger.corp.intel.com) ([10.237.222.53]) by fmsmga008.fm.intel.com with ESMTP; 30 Sep 2020 06:08:11 -0700 From: Ciara Power To: dev@dpdk.org Cc: Ciara Power , Ajit Khaparde , Somnath Kotur Date: Wed, 30 Sep 2020 14:04:02 +0100 Message-Id: <20200930130415.11211-7-ciara.power@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200930130415.11211-1-ciara.power@intel.com> References: <20200807155859.63888-1-ciara.power@intel.com> <20200930130415.11211-1-ciara.power@intel.com> Subject: [dpdk-dev] [PATCH v3 06/18] net/bnxt: 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: Ajit Khaparde Cc: Somnath Kotur Signed-off-by: Ciara Power --- drivers/net/bnxt/bnxt_ethdev.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index 05e9a6abbf..5cd522f1fd 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -1122,7 +1122,8 @@ bnxt_receive_function(struct rte_eth_dev *eth_dev) DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_RX_OFFLOAD_RSS_HASH | DEV_RX_OFFLOAD_VLAN_FILTER)) && - !BNXT_TRUFLOW_EN(bp) && BNXT_NUM_ASYNC_CPR(bp)) { + !BNXT_TRUFLOW_EN(bp) && BNXT_NUM_ASYNC_CPR(bp) && + rte_get_max_simd_bitwidth() >= RTE_MAX_128_SIMD) { PMD_DRV_LOG(INFO, "Using vector mode receive for port %d\n", eth_dev->data->port_id); bp->flags |= BNXT_FLAG_RX_VECTOR_PKT_MODE; @@ -1154,7 +1155,8 @@ bnxt_transmit_function(__rte_unused struct rte_eth_dev *eth_dev) */ if (!eth_dev->data->scattered_rx && !eth_dev->data->dev_conf.txmode.offloads && - !BNXT_TRUFLOW_EN(bp)) { + !BNXT_TRUFLOW_EN(bp) && + rte_get_max_simd_bitwidth() >= RTE_MAX_128_SIMD) { PMD_DRV_LOG(INFO, "Using vector mode transmit for port %d\n", eth_dev->data->port_id); return bnxt_xmit_pkts_vec;