From patchwork Sun Jan 14 10:03:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 33700 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 B01FD4D3A; Sun, 14 Jan 2018 11:05:04 +0100 (CET) Received: from mail-pl0-f68.google.com (mail-pl0-f68.google.com [209.85.160.68]) by dpdk.org (Postfix) with ESMTP id DAEE110B7 for ; Sun, 14 Jan 2018 11:05:03 +0100 (CET) Received: by mail-pl0-f68.google.com with SMTP id b96so1740092pli.2 for ; Sun, 14 Jan 2018 02:05:03 -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=yoY7x7SjwQIS2T7kNt6g5Z9QFKWiV3SqCE+hhKiz7HQ=; b=JJ1QGjoDlG2dQcM5c4ra+rT1PatYMLU/UD1mcjBDcGWaku2QLzwkc3E5KmZwFcg/TB LtrV1Q8mJFRseX+ND6bhtxiplaV5lj0H8ZTqajhC1PfTAjsGnzQ0sHtLHcprHpVxjggO Tyo7jJO0Y6IMs3XB++xvteTyJIGdX/3ohClTr+1k3mvERoqtK0yzRqD2/QysVaytfcnQ cQFp9s7MtER+zlibgyu704tPboTZNIRNaAPtoo9RrS0CY7J4dO0Kjfhk6fz31sLiZteF fwsFm6AMm5BIhf1dXMWyMey51/2GPrySqrdkd5ZtlKt608hP0V/AiZv7nu9MZoMoQBE/ 0C2Q== 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=yoY7x7SjwQIS2T7kNt6g5Z9QFKWiV3SqCE+hhKiz7HQ=; b=EDKDwqP0nVkLgy3NO0KVoEoasPJVY/1zb5P+2sI1TA0VenhKpaVPyBeIHaRfEn1Q4e TrIh85H4S26aGrEp2hQ4SuTr7sYvV7ohECPASCqWBRzIiYytztLPI1UcFS0ndNfpKCxD 2YOIReWcI+QGsMwt5jbRtqeWLS2b0MQQR1Kq8ED+RpNqzaG7095a7cVoXTdTIMpjau4c cX3SYnRJJgk8tuJks7+um0KyUBVM8vfjHxhtBRFwe6mIJz/lQOh5KPWNHz0A2+mFBZbE NZeUd2Miq5jaCVtUR9Xevmez74uSNcsXOiXrXiFQ3MXJGa2givsDoOVdH4f9+ULNYb+P CH+w== X-Gm-Message-State: AKGB3mIOLaQhfFtxb2Qjytn6iBo43bS7omc8g7P0DXOlsKdClYYZFQcL u2CHX5yEO+2UooPTH2YxAlY= X-Google-Smtp-Source: ACJfBovtPCFwo8zIKFjmm5ywmJ05oDJ5ozUGPeCO4OUl1IFZzciXVoKFYVYjK+1UhukuEtFpnhRFTg== X-Received: by 10.84.228.214 with SMTP id y22mr26408325pli.444.1515924303158; Sun, 14 Jan 2018 02:05:03 -0800 (PST) Received: from local.opencloud.tech.localdomain ([183.240.196.59]) by smtp.gmail.com with ESMTPSA id v7sm15208761pgs.83.2018.01.14.02.05.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 14 Jan 2018 02:05:02 -0800 (PST) From: xiangxia.m.yue@gmail.com To: wei.dai@intel.com, beilei.xing@intel.com Cc: dev@dpdk.org, Tonghao Zhang Date: Sun, 14 Jan 2018 02:03:39 -0800 Message-Id: <1515924222-19044-3-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1515924222-19044-1-git-send-email-xiangxia.m.yue@gmail.com> References: <1515924222-19044-1-git-send-email-xiangxia.m.yue@gmail.com> Subject: [dpdk-dev] [PATCH v3 3/6] 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 6695ce8..604ee6d 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -89,9 +89,6 @@ */ #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 @@ -5885,7 +5882,7 @@ 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);