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 BC532A2EDB for ; Mon, 30 Sep 2019 15:08:38 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 663AADE3; Mon, 30 Sep 2019 15:08:37 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 79EEA235 for ; Mon, 30 Sep 2019 15:08:35 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Sep 2019 06:08:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,567,1559545200"; d="scan'208";a="220648713" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.10]) ([10.237.221.10]) by fmsmga002.fm.intel.com with ESMTP; 30 Sep 2019 06:08:33 -0700 To: Leyi Rong , wenzhuo.lu@intel.com, qi.z.zhang@intel.com, xiaolong.ye@intel.com Cc: dev@dpdk.org References: <20190904100617.110676-1-leyi.rong@intel.com> <20190923060257.86135-1-leyi.rong@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt 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 v4] net/iavf: enable AVX2 for iavf 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 9/23/2019 7:02 AM, Leyi Rong wrote: > This patch enables AVX data path for iavf PMD. > > Signed-off-by: Leyi Rong <...> > @@ -1741,26 +1720,43 @@ iavf_set_rx_function(struct rte_eth_dev *dev) > { > struct iavf_adapter *adapter = > IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); > +#ifdef RTE_ARCH_X86 > struct iavf_rx_queue *rxq; > int i; > + bool use_avx2 = false; > > - if (adapter->rx_vec_allowed) { > - if (dev->data->scattered_rx) { > - PMD_DRV_LOG(DEBUG, "Using Vector Scattered Rx callback" > - " (port=%d).", dev->data->port_id); > - dev->rx_pkt_burst = iavf_recv_scattered_pkts_vec; > - } else { > - PMD_DRV_LOG(DEBUG, "Using Vector Rx callback" > - " (port=%d).", dev->data->port_id); > - dev->rx_pkt_burst = iavf_recv_pkts_vec; > - } > + if (!iavf_rx_vec_dev_check(dev)) { > for (i = 0; i < dev->data->nb_rx_queues; i++) { > rxq = dev->data->rx_queues[i]; > - if (!rxq) > - continue; > - iavf_rxq_vec_setup(rxq); > + (void)iavf_rxq_vec_setup(rxq); > } > - } else if (dev->data->scattered_rx) { > + > + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 || > + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) > + use_avx2 = true; > + > + if (dev->data->scattered_rx) { > + PMD_DRV_LOG(DEBUG, > + "Using %sVector Scattered Rx (port %d).", > + use_avx2 ? "avx2 " : "", > + dev->data->port_id); > + dev->rx_pkt_burst = use_avx2 ? > + iavf_recv_scattered_pkts_vec_avx2 : > + iavf_recv_scattered_pkts_vec; Hi Leyi, Will this build if config option 'CONFIG_RTE_LIBRTE_IAVF_INC_VECTOR' is disabled? And indeed why not eliminate 'CONFIG_RTE_LIBRTE_IAVF_INC_VECTOR' at all? Please check ice for the sample. And another thing is to remove the __rte_weak, for the consistency, since it has been removed from the i40e.