From patchwork Mon Oct 26 03:47:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "He, Shaopeng" X-Patchwork-Id: 8001 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 9C0CF8D8A; Mon, 26 Oct 2015 04:48:17 +0100 (CET) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id D006E568D for ; Mon, 26 Oct 2015 04:48:16 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP; 25 Oct 2015 20:48:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,199,1444719600"; d="scan'208";a="834886362" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 25 Oct 2015 20:48:01 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9Q3lx2c007812; Mon, 26 Oct 2015 11:47:59 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id t9Q3luiq014311; Mon, 26 Oct 2015 11:47:58 +0800 Received: (from heshaope@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9Q3lujh014307; Mon, 26 Oct 2015 11:47:56 +0800 From: Shaopeng He To: dev@dpdk.org Date: Mon, 26 Oct 2015 11:47:41 +0800 Message-Id: <1445831265-14256-4-git-send-email-shaopeng.he@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1445831265-14256-1-git-send-email-shaopeng.he@intel.com> References: <1443159425-32502-1-git-send-email-shaopeng.he@intel.com> <1445831265-14256-1-git-send-email-shaopeng.he@intel.com> Subject: [dpdk-dev] [PATCH v2 3/7] fm10k: remove rx queue interrupts when dev stops X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Previous dev_stop function stops the rx/tx queues. This patch adds logic to disable rx queue interrupt, clean the datapath event and queue/vec map. Signed-off-by: Shaopeng He --- drivers/net/fm10k/fm10k_ethdev.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 68ae1ba..45571f2 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -825,6 +825,8 @@ fm10k_dev_start(struct rte_eth_dev *dev) static void fm10k_dev_stop(struct rte_eth_dev *dev) { + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle; int i; PMD_INIT_FUNC_TRACE(); @@ -836,6 +838,26 @@ fm10k_dev_stop(struct rte_eth_dev *dev) if (dev->data->rx_queues) for (i = 0; i < dev->data->nb_rx_queues; i++) fm10k_dev_rx_queue_stop(dev, i); + + /* Disable datapath event */ + if (rte_intr_dp_is_en(intr_handle)) { + for (i = 0; i < dev->data->nb_rx_queues; i++) { + FM10K_WRITE_REG(hw, FM10K_RXINT(i), + 3 << FM10K_RXINT_TIMER_SHIFT); + if (hw->mac.type == fm10k_mac_pf) + FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(dev, i)), + FM10K_ITR_MASK_SET); + else + FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(dev, i)), + FM10K_ITR_MASK_SET); + } + } + /* Clean datapath event and queue/vec mapping */ + rte_intr_efd_disable(intr_handle); + if (intr_handle->intr_vec != NULL) { + rte_free(intr_handle->intr_vec); + intr_handle->intr_vec = NULL; + } } static void