From patchwork Thu Oct 29 15:56:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marvin Liu X-Patchwork-Id: 8241 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 AA9788E99; Thu, 29 Oct 2015 16:57:02 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id A636E282 for ; Thu, 29 Oct 2015 16:57:00 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 29 Oct 2015 08:56:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,214,1444719600"; d="scan'208";a="838100591" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by orsmga002.jf.intel.com with ESMTP; 29 Oct 2015 08:56:38 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9TFuaU3014785; Thu, 29 Oct 2015 23:56:36 +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 t9TFuXoS004629; Thu, 29 Oct 2015 23:56:35 +0800 Received: (from yliu84x@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9TFuWfX004625; Thu, 29 Oct 2015 23:56:32 +0800 From: Yong Liu To: dev@dpdk.org Date: Thu, 29 Oct 2015 23:56:22 +0800 Message-Id: <1446134187-4573-3-git-send-email-yong.liu@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1446134187-4573-1-git-send-email-yong.liu@intel.com> References: <1446134187-4573-1-git-send-email-yong.liu@intel.com> Subject: [dpdk-dev] [PATCH v4 2/7] e1000: separate lsc and rxq interrupt disable function 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" Separate lsc and rxq interrupt for they have different interrupt handlers. Signed-off-by: Marvin Liu diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 3be8269..39f330a 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -108,11 +108,12 @@ static void em_vlan_hw_strip_disable(struct rte_eth_dev *dev); static void eth_em_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); */ +static void em_lsc_intr_disable(struct e1000_hw *hw); static void em_rxq_intr_enable(struct e1000_hw *hw); +static void em_rxq_intr_disable(struct e1000_hw *hw); static int eth_em_led_on(struct rte_eth_dev *dev); static int eth_em_led_off(struct rte_eth_dev *dev); -static void em_intr_disable(struct e1000_hw *hw); static int em_get_rx_buffer_size(struct e1000_hw *hw); static void eth_em_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr, uint32_t index, uint32_t pool); @@ -640,7 +641,9 @@ eth_em_stop(struct rte_eth_dev *dev) struct rte_eth_link link; struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); - em_intr_disable(hw); + em_rxq_intr_disable(hw); + em_lsc_intr_disable(hw); + e1000_reset_hw(hw); if (hw->mac.type >= e1000_82544) E1000_WRITE_REG(hw, E1000_WUC, 0); @@ -1254,13 +1257,7 @@ eth_em_vlan_offload_set(struct rte_eth_dev *dev, int mask) } } -static void -em_intr_disable(struct e1000_hw *hw) -{ - E1000_WRITE_REG(hw, E1000_IMC, ~0); -} - -/** +/* * It enables the interrupt mask and then enable the interrupt. * * @param dev @@ -1304,6 +1301,35 @@ eth_em_rxq_interrupt_setup(struct rte_eth_dev *dev) } /* + * It disabled lsc interrupt. + * @param hw + * Pointer to struct e1000_hw + * + * @return + */ +static void +em_lsc_intr_disable(struct e1000_hw *hw) +{ + E1000_WRITE_REG(hw, E1000_IMC, E1000_IMS_LSC); + E1000_WRITE_FLUSH(hw); +} + +/* + * It disabled receive packet interrupt. + * @param hw + * Pointer to struct e1000_hw + * + * @return + */ +static void +em_rxq_intr_disable(struct e1000_hw *hw) +{ + E1000_READ_REG(hw, E1000_ICR); + E1000_WRITE_REG(hw, E1000_IMC, E1000_IMS_RXT0); + E1000_WRITE_FLUSH(hw); +} + +/* * It enable receive packet interrupt. * @param hw * Pointer to struct e1000_hw