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 37809A0C46; Wed, 9 Jun 2021 09:05:23 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1C25E410F0; Wed, 9 Jun 2021 09:05:23 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by mails.dpdk.org (Postfix) with ESMTP id 5531840E3C; Wed, 9 Jun 2021 09:05:21 +0200 (CEST) IronPort-SDR: cvH6x0zgRjwkyQM9R7o45A6YxFRtMEmfGIp7fUir4EZegsNVWU5YqgigS1CRmg1ztf8As3lCtH EGV+aOhQOv9g== X-IronPort-AV: E=McAfee;i="6200,9189,10009"; a="201994148" X-IronPort-AV: E=Sophos;i="5.83,260,1616482800"; d="scan'208";a="201994148" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2021 00:05:20 -0700 IronPort-SDR: kpdPSCgmQ9RcdAasuhcjQlI8Lvq86n5/A1fXSKB59rmKagZL6GHO9qdGiozt4G4l/2f9a1exV2 /xE+BPpYTHwg== X-IronPort-AV: E=Sophos;i="5.83,260,1616482800"; d="scan'208";a="482272413" Received: from unknown (HELO localhost.localdomain) ([10.240.183.93]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2021 00:05:17 -0700 From: dapengx.yu@intel.com To: Beilei Xing Cc: dev@dpdk.org, qi.z.zhang@intel.com, Dapeng Yu , stable@dpdk.org Date: Wed, 9 Jun 2021 15:05:08 +0800 Message-Id: <20210609070508.2714578-1-dapengx.yu@intel.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH] net/i40e: fix wrong data path selection in secondary process 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 Sender: "dev" From: Dapeng Yu The flag use_avx2 and use_avx512 are defined as local variables, they will not be aware by the secondary process, then wrong data path is selected. Fix the issue by moving them into struct i40e_adapter. Fixes: 6ada10deac66 ("net/i40e: remove devarg use-latest-supported-vec") Fixes: e6a6a138919f ("net/i40e: add AVX512 vector path") Cc: stable@dpdk.org Signed-off-by: Dapeng Yu --- drivers/net/i40e/i40e_ethdev.h | 6 +++ drivers/net/i40e/i40e_rxtx.c | 71 +++++++++++++++++++++++----------- 2 files changed, 54 insertions(+), 23 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index cdf1c2fe1f..ba6acd1878 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -1313,6 +1313,12 @@ struct i40e_adapter { /* For RSS reta table update */ uint8_t rss_reta_updated; +#ifdef RTE_ARCH_X86 + bool rx_use_avx2; + bool rx_use_avx512; + bool tx_use_avx2; + bool tx_use_avx512; +#endif }; /** diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index 6c58decece..808ed95864 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -3228,12 +3228,14 @@ i40e_set_rx_function(struct rte_eth_dev *dev) struct i40e_adapter *ad = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); uint16_t rx_using_sse, i; - bool use_avx2 = false; - bool use_avx512 = false; /* In order to allow Vector Rx there are a few configuration * conditions to be met and Rx Bulk Allocation should be allowed. */ if (rte_eal_process_type() == RTE_PROC_PRIMARY) { +#ifdef RTE_ARCH_X86 + ad->rx_use_avx512 = false; + ad->rx_use_avx2 = false; +#endif if (i40e_rx_vec_dev_conf_condition_check(dev) || !ad->rx_bulk_alloc_allowed) { PMD_INIT_LOG(DEBUG, "Port[%d] doesn't meet" @@ -3252,18 +3254,20 @@ i40e_set_rx_function(struct rte_eth_dev *dev) break; } } +#ifdef RTE_ARCH_X86 + ad->rx_use_avx512 = get_avx_supported(1); - use_avx512 = get_avx_supported(1); - - if (!use_avx512) - use_avx2 = get_avx_supported(0); + if (!ad->rx_use_avx512) + ad->rx_use_avx2 = get_avx_supported(0); +#endif } } if (ad->rx_vec_allowed && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { + rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { +#ifdef RTE_ARCH_X86 if (dev->data->scattered_rx) { - if (use_avx512) { + if (ad->rx_use_avx512) { #ifdef CC_AVX512_SUPPORT PMD_DRV_LOG(NOTICE, "Using AVX512 Vector Scattered Rx (port %d).", @@ -3274,14 +3278,14 @@ i40e_set_rx_function(struct rte_eth_dev *dev) } else { PMD_INIT_LOG(DEBUG, "Using %sVector Scattered Rx (port %d).", - use_avx2 ? "avx2 " : "", + ad->rx_use_avx2 ? "avx2 " : "", dev->data->port_id); - dev->rx_pkt_burst = use_avx2 ? + dev->rx_pkt_burst = ad->rx_use_avx2 ? i40e_recv_scattered_pkts_vec_avx2 : i40e_recv_scattered_pkts_vec; } } else { - if (use_avx512) { + if (ad->rx_use_avx512) { #ifdef CC_AVX512_SUPPORT PMD_DRV_LOG(NOTICE, "Using AVX512 Vector Rx (port %d).", @@ -3292,13 +3296,25 @@ i40e_set_rx_function(struct rte_eth_dev *dev) } else { PMD_INIT_LOG(DEBUG, "Using %sVector Rx (port %d).", - use_avx2 ? "avx2 " : "", + ad->rx_use_avx2 ? "avx2 " : "", dev->data->port_id); - dev->rx_pkt_burst = use_avx2 ? + dev->rx_pkt_burst = ad->rx_use_avx2 ? i40e_recv_pkts_vec_avx2 : i40e_recv_pkts_vec; } } +#else /* RTE_ARCH_X86 */ + if (dev->data->scattered_rx) { + PMD_INIT_LOG(DEBUG, + "Using Vector Scattered Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = i40e_recv_scattered_pkts_vec; + } else { + PMD_INIT_LOG(DEBUG, "Using Vector Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = i40e_recv_pkts_vec; + } +#endif /* RTE_ARCH_X86 */ } else if (!dev->data->scattered_rx && ad->rx_bulk_alloc_allowed) { PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are " "satisfied. Rx Burst Bulk Alloc function " @@ -3413,10 +3429,12 @@ i40e_set_tx_function(struct rte_eth_dev *dev) struct i40e_adapter *ad = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); int i; - bool use_avx2 = false; - bool use_avx512 = false; if (rte_eal_process_type() == RTE_PROC_PRIMARY) { +#ifdef RTE_ARCH_X86 + ad->tx_use_avx2 = false; + ad->tx_use_avx512 = false; +#endif if (ad->tx_vec_allowed) { for (i = 0; i < dev->data->nb_tx_queues; i++) { struct i40e_tx_queue *txq = @@ -3427,18 +3445,20 @@ i40e_set_tx_function(struct rte_eth_dev *dev) break; } } +#ifdef RTE_ARCH_X86 + ad->tx_use_avx512 = get_avx_supported(1); - use_avx512 = get_avx_supported(1); - - if (!use_avx512) - use_avx2 = get_avx_supported(0); + if (!ad->tx_use_avx512) + ad->tx_use_avx2 = get_avx_supported(0); +#endif } } if (ad->tx_simple_allowed) { if (ad->tx_vec_allowed && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { - if (use_avx512) { + rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { +#ifdef RTE_ARCH_X86 + if (ad->tx_use_avx512) { #ifdef CC_AVX512_SUPPORT PMD_DRV_LOG(NOTICE, "Using AVX512 Vector Tx (port %d).", dev->data->port_id); @@ -3446,12 +3466,17 @@ i40e_set_tx_function(struct rte_eth_dev *dev) #endif } else { PMD_INIT_LOG(DEBUG, "Using %sVector Tx (port %d).", - use_avx2 ? "avx2 " : "", + ad->tx_use_avx2 ? "avx2 " : "", dev->data->port_id); - dev->tx_pkt_burst = use_avx2 ? + dev->tx_pkt_burst = ad->tx_use_avx2 ? i40e_xmit_pkts_vec_avx2 : i40e_xmit_pkts_vec; } +#else /* RTE_ARCH_X86 */ + PMD_INIT_LOG(DEBUG, "Using Vector Tx (port %d).", + dev->data->port_id); + dev->tx_pkt_burst = i40e_xmit_pkts_vec; +#endif /* RTE_ARCH_X86 */ } else { PMD_INIT_LOG(DEBUG, "Simple tx finally be used."); dev->tx_pkt_burst = i40e_xmit_pkts_simple; -- 2.27.0