From patchwork Thu Mar 22 13:01:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 36430 X-Patchwork-Delegate: helin.zhang@intel.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 120775F34; Thu, 22 Mar 2018 14:02:20 +0100 (CET) Received: from mail-pf0-f196.google.com (mail-pf0-f196.google.com [209.85.192.196]) by dpdk.org (Postfix) with ESMTP id 90C8F5F2C for ; Thu, 22 Mar 2018 14:02:15 +0100 (CET) Received: by mail-pf0-f196.google.com with SMTP id a16so3296874pfn.9 for ; Thu, 22 Mar 2018 06:02:15 -0700 (PDT) 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=NXqHy2xqQfm8/Y3f0TOu2o8WhliVTQwCa95u2BXEv5nN/AgX/2zUrtdsqqWvHzeBEF T2S7OV4oM8RzN38XijT4fVYhZWz/JgjH8jlC3Ahh/V9l/XIcoUuIZWQt4zkjWX0EFYb/ XLfgGACKUjXTpPJuXbrF1T+l0XVXD4T4kJlR9kt+awB7c6tM4e4qVKW5LhAVpKVttDmc dzcADAItmTL3eZspw+7FWzmvbYAxVx6YkbdVR6qlCT87lx3xsncn7YnU+/gl7cmWVB3U rBX3VFfBNwQREql7m5UbMr1wHVZM4CpLZQfqh5oN3RRf8GxpAbmA2MfjvMOIS2oCdj2F 8VyA== 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=P7DKr9/kk/fBnqHkjjIUusx417Gn8a9ss/fePQce8mCM+oFWc5OXCR2aaSVi19f8xa tiQGAY5DCY38HHQT2tncAGnHBmCCW3ft/4eaqP9mD4eMm3cl6nqRl1Qx2gEjqMnTcWVz 3NFxnORglLr0Ehayo4cO0Gncumz1K31IFix30TLvyJgKvgdkiCs5eERAbG07TpF3XWWb v3rcWdO0MgFWhOEgUokin43RxjJlleO8PeBQWsSEzAnbVxP0j5XTTw01oRR+SOtcKTy4 AFOlufo9gpqnVvEV3xxXyso1qBxOMAIq/j9owVxfGkAS9q02TYu9tlhjhotafVAWYLg0 3n3w== X-Gm-Message-State: AElRT7FhI+9cdA8BSOHW46Kku7QB5Saw7xcQUSA57sh7f/BkzkTqobG1 EoWPcFmBLX8lFlRiEvC52JU= X-Google-Smtp-Source: AG47ELtgpVxEecp/UH25krwg7f4H6SCXzl/YFAGcRxwaSp84sHX/EoQPpngezUwHGR2y80ByMw7/bg== X-Received: by 10.98.213.9 with SMTP id d9mr13753725pfg.234.1521723732762; Thu, 22 Mar 2018 06:02:12 -0700 (PDT) Received: from local.opencloud.tech.localdomain ([13.94.31.177]) by smtp.gmail.com with ESMTPSA id w24sm13450763pfl.14.2018.03.22.06.02.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Mar 2018 06:02:12 -0700 (PDT) From: xiangxia.m.yue@gmail.com To: wenzhuo.lu@intel.com, konstantin.ananyev@intel.com, beilei.xing@intel.com, wei.dai@intel.com Cc: dev@dpdk.org, Tonghao Zhang Date: Thu, 22 Mar 2018 06:01:55 -0700 Message-Id: <1521723718-93761-3-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1521723718-93761-1-git-send-email-xiangxia.m.yue@gmail.com> References: <1521723718-93761-1-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);