From patchwork Thu Oct 26 14:04:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tonghao Zhang X-Patchwork-Id: 30977 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 8D8411B3D7; Thu, 26 Oct 2017 16:05:34 +0200 (CEST) Received: from mail-pg0-f68.google.com (mail-pg0-f68.google.com [74.125.83.68]) by dpdk.org (Postfix) with ESMTP id 248151B2B7 for ; Thu, 26 Oct 2017 16:05:33 +0200 (CEST) Received: by mail-pg0-f68.google.com with SMTP id m18so2758549pgd.13 for ; Thu, 26 Oct 2017 07:05:32 -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=HyA0/ds/YkPNsWACkNB2A3AoqAXmw1eYJPzMkqYfbns=; b=SSPQSNtjrs2zAAKa65f4574NwzBiNBi1yYkgXRVo/f43y6BqMZQ5geb/g8FNQpfdaA ORQmo5NrMxM2Jw1sf/Et3Kd7X7Z5btD5LTlVEdNKOg56MZtZN5oVxqimCV7MY9ENCWEy rHqmaT221oblXCgXwF3ccHeumrRSnih7u3U7lIXyHMdpqIQ8KAIdcZFH0D3Uu0B3PCLK sY4Xqnq45KIIFzWpABMWjIuNn2S80xXzz+eK6MYRs9UkGQDjHOPNyjzuuzWHpjyMEx0b uiLkxDPyfaLDxtMd2LkuSMLCikftBvg/Lm1Lq8R4IZVgV2lTgfonQo6n1a6vvVgfcJ++ sq3w== 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=HyA0/ds/YkPNsWACkNB2A3AoqAXmw1eYJPzMkqYfbns=; b=DdKeVbchCkhNYbjFHsMfzeFAQERNqgdcd354XjuYoGRjfF2Nwxf26pM5t5IWP3u08L A+spXvfWV7ycBojF4n9409uhYcoyq7YOlhQTMW7tqTH75mvJvT6bJslTdl4svt6EBh/t T676b6W+PjyNRmUvHPgXrjifBvu/odpQQ9KB4jcQ2D5dYrIEsUvPUx9lhRCccKNDfqie BwXAXFRlF3ubvbwH/tbOGMN8ZafP7LQKMiFnf/hcHb59oS7tzo5w5v97qDzcDXgZmCnR UaSjfLGOIGqNmRkS8lFDcQyH84wc7cTdPlWSzKeEhQvKxprTEZlbc//0WO6EUcbWYyhz HKTg== X-Gm-Message-State: AMCzsaUbfVNZJPTXSMLvR83hewloMJmOXs7i5iQJ+qy5FatKOzLCka0d AMYQPhTR7Pyf67l13S5aJrw2PbeN X-Google-Smtp-Source: ABhQp+RFOeKQ311NxOyIm3gK/Y+FfJ6msQpq3BMhxMJwvfxKTTkkLBS/D85Dm06dUjtJKt9aRb74qA== X-Received: by 10.84.141.1 with SMTP id 1mr4521827plu.234.1509026732178; Thu, 26 Oct 2017 07:05:32 -0700 (PDT) Received: from local.opencloud.tech.localdomain ([13.94.31.177]) by smtp.gmail.com with ESMTPSA id w17sm11075110pfa.70.2017.10.26.07.05.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Oct 2017 07:05:31 -0700 (PDT) From: xiangxia.m.yue@gmail.com To: dev@dpdk.org Cc: Tonghao Zhang Date: Thu, 26 Oct 2017 07:04:59 -0700 Message-Id: <1509026701-17478-2-git-send-email-xiangxia.m.yue@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1509026701-17478-1-git-send-email-xiangxia.m.yue@gmail.com> References: <1509026701-17478-1-git-send-email-xiangxia.m.yue@gmail.com> Subject: [dpdk-dev] [PATCH v2 2/4] net/ixgbevf: set the inter-interrupt interval for EITR. 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 Set EITR interval as default. This patch can improve the performance when we enable the rx-interrupt to process the packets because we hope rx-interrupt reduce CPU. Signed-off-by: Tonghao Zhang --- drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 94d9df3..5d652d8 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -5801,6 +5801,9 @@ static void ixgbevf_set_vfta_all(struct rte_eth_dev *dev, bool on) if (vector_idx < base + intr_handle->nb_efd - 1) vector_idx++; } + + IXGBE_WRITE_REG(hw, IXGBE_VTEITR(IXGBE_MISC_VEC_ID), + IXGBE_MIN_INTER_INTERRUPT_INTERVAL_DEFAULT & 0xFFF); } /**