From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 9B89E91AC for ; Thu, 29 Oct 2015 16:57:03 +0100 (CET) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP; 29 Oct 2015 08:57:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,214,1444719600"; d="scan'208";a="590412403" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 29 Oct 2015 08:56:44 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id t9TFuh23014934; Thu, 29 Oct 2015 23:56:43 +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 t9TFudIl004650; Thu, 29 Oct 2015 23:56:41 +0800 Received: (from yliu84x@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t9TFud1m004646; Thu, 29 Oct 2015 23:56:39 +0800 From: Yong Liu To: dev@dpdk.org Date: Thu, 29 Oct 2015 23:56:25 +0800 Message-Id: <1446134187-4573-6-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 5/7] e1000: check lsc and rxq not enable in the same time 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: , X-List-Received-Date: Thu, 29 Oct 2015 15:57:04 -0000 e1000 only support one type of interrupt cause, so remove lsc interrupt handler if rxq enabled. Signed-off-by: Marvin Liu diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index fc3cc1e..b1e0c3c 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -630,14 +630,22 @@ eth_em_start(struct rte_eth_dev *dev) } e1000_setup_link(hw); - /* check if lsc interrupt feature is enabled */ - if (dev->data->dev_conf.intr_conf.lsc != 0) { - ret = eth_em_interrupt_setup(dev); - if (ret) { - PMD_INIT_LOG(ERR, "Unable to setup interrupts"); - em_dev_clear_queues(dev); - return ret; - } + if (rte_intr_allow_others(intr_handle)) { + /* check if lsc interrupt is enabled */ + if (dev->data->dev_conf.intr_conf.lsc != 0) + ret = eth_em_interrupt_setup(dev); + if (ret) { + PMD_INIT_LOG(ERR, "Unable to setup interrupts"); + em_dev_clear_queues(dev); + return ret; + } + } else { + rte_intr_callback_unregister(intr_handle, + eth_em_interrupt_handler, + (void *)dev); + if (dev->data->dev_conf.intr_conf.lsc != 0) + PMD_INIT_LOG(INFO, "lsc won't enable because of" + " no intr multiplex\n"); } /* check if rxq interrupt is enabled */ if (dev->data->dev_conf.intr_conf.rxq != 0) @@ -688,6 +696,12 @@ eth_em_stop(struct rte_eth_dev *dev) memset(&link, 0, sizeof(link)); rte_em_dev_atomic_write_link_status(dev, &link); + if (!rte_intr_allow_others(intr_handle)) + /* resume to the default handler */ + rte_intr_callback_register(intr_handle, + eth_em_interrupt_handler, + (void *)dev); + /* Clean datapath event and queue/vec mapping */ rte_intr_efd_disable(intr_handle); if (intr_handle->intr_vec != NULL) { -- 1.9.3