From patchwork Mon Feb 5 00:51:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 34930 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2ABEB1B293; Mon, 5 Feb 2018 01:51:54 +0100 (CET) Received: from mail-pl0-f67.google.com (mail-pl0-f67.google.com [209.85.160.67]) by dpdk.org (Postfix) with ESMTP id 062231B28B for ; Mon, 5 Feb 2018 01:51:52 +0100 (CET) Received: by mail-pl0-f67.google.com with SMTP id v3so10659468plg.3 for ; Sun, 04 Feb 2018 16:51:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=9Uv7EfSQcIKr19a5mZ3m4cqh7bp5vKriC3uP1TTn6jk=; b=T5iVqK94u1LXWhEK208cLJ1HzFxB3mmyT/MmrcV4W8U+qpsDaGq9JK54H2uA85z09B TjCjOvg/7xSJYzjPcZPLyLTJxvn3n2R6v4+3y0kBEvddsNlJLSKjXjHsB38fN9kRgTJn LQj/Xcs2Q6Ya64djUv0AULi02loc78OatZNHyZx5SCx7cvUXsQHLU/kYUjs7ohPZ0yA+ Pyw8r1Djej14zZ/ty6MAtN0DSh47cVSb4JqJOGMLrASZcb42dpV2P/XTkqRragJgBiiX 6ZIwqd+gWgXocztXei8R2WIqfQ1ncVwQERJPqlWoQkE4zfoIT6MMLRDbPISuwzGAExsY 9kcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=9Uv7EfSQcIKr19a5mZ3m4cqh7bp5vKriC3uP1TTn6jk=; b=lvafjhKtWJ73TwR7ppU/prTP022fAvbzzdDDkViCrQdd+DBEO7sCvzsah5qiw/YhBu uvPfRajstH31CamtjggyK3wJ6JlrYzLVEbWB6TaXxrrHNjkdWUC9dJRFGPr1P1mDiTe0 XHdcPDjxid7SIMFXaMsQzfJPxMdHjoOGtoNnHyfmDXvlb391/M3s736voafDV1BFGvSh +8vCGNIV6IQKhUNfVFWnbmJE9mbRDdkDg1hQJyVYhtrI6Tzb/UXQm0Ek+QtNwrNsaf1f 7GozkVAxgnCJEHmuxzNOcWC34qsL3KQSw3pPYKQXaNpYbnGBhEZ/FZArvZIoxYzhA8BB bfbQ== X-Gm-Message-State: APf1xPB0f0nIHGigldsLi7QtW6yIKmuAFov1mFAfy+x4Qs3Yksx6ioq1 pQQ7P2mO/EEhnRLf1nN17FA= X-Google-Smtp-Source: AH8x226gmcfDdj5xbDhTO5NX7wcVVViqz05YW79eTFtZTKb2JvJsI/O7a0zTqdb0u2a8vUYD8KBXqg== X-Received: by 2002:a17:902:5a4a:: with SMTP id f10-v6mr1608082plm.308.1517791912333; Sun, 04 Feb 2018 16:51:52 -0800 (PST) Received: from local.opencloud.tech.localdomain ([23.102.225.250]) by smtp.gmail.com with ESMTPSA id b84sm9432835pfj.11.2018.02.04.16.51.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Feb 2018 16:51:51 -0800 (PST) From: xiangxia.m.yue@gmail.com To: beilei.xing@intel.com, wei.dai@intel.com, helin.zhang@intel.com, wenzhuo.lu@intel.com Cc: dev@dpdk.org, Tonghao Zhang Date: Sun, 4 Feb 2018 16:51:32 -0800 Message-Id: <1517791895-3061-3-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1517791895-3061-1-git-send-email-xiangxia.m.yue@gmail.com> References: <1517791895-3061-1-git-send-email-xiangxia.m.yue@gmail.com> Subject: [dpdk-dev] [PATCH v3 2/5] net/ixgbe: set the ITR via configuration. 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" From: Tonghao Zhang With this patch, the ITR value of ixgbe PF, can be configured as wanted. Signed-off-by: Tonghao Zhang --- drivers/net/ixgbe/ixgbe_ethdev.c | 5 +---- drivers/net/ixgbe/ixgbe_rxtx.c | 3 ++- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 495e72c..14296ea 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -60,9 +60,6 @@ */ #define IXGBE_FC_LO 0x40 -/* Default minimum inter-interrupt interval for EITR configuration */ -#define IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT 0x79E - /* Timer value included in XOFF frames. */ #define IXGBE_FC_PAUSE 0x680 @@ -5856,7 +5853,7 @@ static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on) break; } IXGBE_WRITE_REG(hw, IXGBE_EITR(IXGBE_MISC_VEC_ID), - IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT & 0xFFF); + ixgbe_calc_itr_interval(RTE_LIBRTE_IXGBE_ITR_INTERVAL)); /* set up to autoclear timer, and the vectors */ mask = IXGBE_EIMS_ENABLE_MASK; diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 9bc8462..cb51f46 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -4695,7 +4695,8 @@ void __attribute__((cold)) * at most 500us latency for a single RSC aggregation. */ eitr &= ~IXGBE_EITR_ITR_INT_MASK; - eitr |= IXGBE_EITR_INTERVAL_US(500) | IXGBE_EITR_CNT_WDIS; + eitr |= ixgbe_calc_itr_interval(RTE_LIBRTE_IXGBE_ITR_INTERVAL); + eitr |= IXGBE_EITR_CNT_WDIS; IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl); IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(rxq->reg_idx), rscctl);