From patchwork Thu Oct 29 09:16:06 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chen, Jing D" X-Patchwork-Id: 8184 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 640EA8E90; Thu, 29 Oct 2015 10:16:46 +0100 (CET) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 7E76A8E82 for ; Thu, 29 Oct 2015 10:16:41 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 29 Oct 2015 02:16:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,213,1444719600"; d="scan'208";a="837822946" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 29 Oct 2015 02:16:42 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9T9Gc6a029398; Thu, 29 Oct 2015 17:16:38 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t9T9Gax2013528; Thu, 29 Oct 2015 17:16:38 +0800 Received: (from jingche2@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9T9GZS7013524; Thu, 29 Oct 2015 17:16:35 +0800 From: "Chen Jing D(Mark)" To: dev@dpdk.org Date: Thu, 29 Oct 2015 17:16:06 +0800 Message-Id: <1446110173-13330-10-git-send-email-jing.d.chen@intel.com> X-Mailer: git-send-email 1.7.12.2 In-Reply-To: <1446110173-13330-1-git-send-email-jing.d.chen@intel.com> References: <1445939209-12783-2-git-send-email-jing.d.chen@intel.com> <1446110173-13330-1-git-send-email-jing.d.chen@intel.com> Subject: [dpdk-dev] [PATCH v4 09/16] fm10k: add function to decide best RX function X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: "Chen Jing D(Mark)" Add func fm10k_set_rx_function to decide best RX func in fm10k_dev_rx_init Signed-off-by: Chen Jing D(Mark) --- drivers/net/fm10k/fm10k.h | 1 + drivers/net/fm10k/fm10k_ethdev.c | 36 ++++++++++++++++++++++++++++++++---- 2 files changed, 33 insertions(+), 4 deletions(-) diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h index 8dba27b..5666af6 100644 --- a/drivers/net/fm10k/fm10k.h +++ b/drivers/net/fm10k/fm10k.h @@ -189,6 +189,7 @@ struct fm10k_rx_queue { /* Below 2 fields only valid in case vPMD is applied. */ uint16_t rxrearm_nb; /* number of remaining to be re-armed */ uint16_t rxrearm_start; /* the idx we start the re-arming from */ + uint16_t rx_using_sse; /* indicates that vector RX is in use */ uint8_t port_id; uint8_t drop_en; uint8_t rx_deferred_start; /* don't start this queue in dev start. */ diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 44c3d34..4690a0c 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -67,6 +67,7 @@ static void fm10k_MACVLAN_remove_all(struct rte_eth_dev *dev); static void fm10k_tx_queue_release(void *queue); static void fm10k_rx_queue_release(void *queue); +static void fm10k_set_rx_function(struct rte_eth_dev *dev); static void fm10k_mbx_initlock(struct fm10k_hw *hw) @@ -462,7 +463,6 @@ fm10k_dev_rx_init(struct rte_eth_dev *dev) dev->data->dev_conf.rxmode.enable_scatter) { uint32_t reg; dev->data->scattered_rx = 1; - dev->rx_pkt_burst = fm10k_recv_scattered_pkts; reg = FM10K_READ_REG(hw, FM10K_SRRCTL(i)); reg |= FM10K_SRRCTL_BUFFER_CHAINING_EN; FM10K_WRITE_REG(hw, FM10K_SRRCTL(i), reg); @@ -478,6 +478,9 @@ fm10k_dev_rx_init(struct rte_eth_dev *dev) /* Configure RSS if applicable */ fm10k_dev_mq_rx_configure(dev); + + /* Decide the best RX function */ + fm10k_set_rx_function(dev); return 0; } @@ -2069,6 +2072,34 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = { .rss_hash_conf_get = fm10k_rss_hash_conf_get, }; +static void __attribute__((cold)) +fm10k_set_rx_function(struct rte_eth_dev *dev) +{ + struct fm10k_dev_info *dev_info = FM10K_DEV_PRIVATE_TO_INFO(dev); + uint16_t i, rx_using_sse; + + /* In order to allow Vector Rx there are a few configuration + * conditions to be met. + */ + if (!fm10k_rx_vec_condition_check(dev) && dev_info->rx_vec_allowed) { + if (dev->data->scattered_rx) + dev->rx_pkt_burst = fm10k_recv_scattered_pkts_vec; + else + dev->rx_pkt_burst = fm10k_recv_pkts_vec; + } else if (dev->data->scattered_rx) + dev->rx_pkt_burst = fm10k_recv_scattered_pkts; + + rx_using_sse = + (dev->rx_pkt_burst == fm10k_recv_scattered_pkts_vec || + dev->rx_pkt_burst == fm10k_recv_pkts_vec); + + for (i = 0; i < dev->data->nb_rx_queues; i++) { + struct fm10k_rx_queue *rxq = dev->data->rx_queues[i]; + rxq->rx_using_sse = rx_using_sse; + } + +} + static void fm10k_params_init(struct rte_eth_dev *dev) { @@ -2103,9 +2134,6 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev) dev->rx_pkt_burst = &fm10k_recv_pkts; dev->tx_pkt_burst = &fm10k_xmit_pkts; - if (dev->data->scattered_rx) - dev->rx_pkt_burst = &fm10k_recv_scattered_pkts; - /* only initialize in the primary process */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0;