From mboxrd@z Thu Jan 1 00:00:00 1970 From: xiangxia.m.yue@gmail.com Subject: [PATCH 2/4] net/ixgbevf: set the inter-interrupt interval for EITR. Date: Thu, 26 Oct 2017 06:44:42 -0700 Message-ID: <1509025484-15771-2-git-send-email-xiangxia.m.yue@gmail.com> References: <1509025484-15771-1-git-send-email-xiangxia.m.yue@gmail.com> Cc: Tonghao Zhang , Tonghao Zhang To: dev@dpdk.org Return-path: Received: from mail-pg0-f66.google.com (mail-pg0-f66.google.com [74.125.83.66]) by dpdk.org (Postfix) with ESMTP id 8A13D1BAFE for ; Thu, 26 Oct 2017 15:45:01 +0200 (CEST) Received: by mail-pg0-f66.google.com with SMTP id a192so2717299pge.9 for ; Thu, 26 Oct 2017 06:45:01 -0700 (PDT) In-Reply-To: <1509025484-15771-1-git-send-email-xiangxia.m.yue@gmail.com> 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-intrrupt to process the packets because we hope rx-intrrupt reduce CPU. Signed-off-by: Tonghao Zhang 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 5994e55..6eb90e4 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); } /** -- 1.8.3.1