From patchwork Thu Jun 7 12:38:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zhang X-Patchwork-Id: 40753 X-Patchwork-Delegate: thomas@monjalon.net 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 5CCD31B3D3; Thu, 7 Jun 2018 14:38:44 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 8AD661B28E for ; Thu, 7 Jun 2018 14:38:40 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Jun 2018 05:38:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,486,1520924400"; d="scan'208";a="62605608" Received: from dpdk51.sh.intel.com ([10.67.110.184]) by orsmga001.jf.intel.com with ESMTP; 07 Jun 2018 05:38:38 -0700 From: Qi Zhang To: thomas@monjalon.net, anatoly.burakov@intel.com Cc: konstantin.ananyev@intel.com, dev@dpdk.org, bruce.richardson@intel.com, ferruh.yigit@intel.com, benjamin.h.shelton@intel.com, narender.vangati@intel.com, Qi Zhang Date: Thu, 7 Jun 2018 20:38:36 +0800 Message-Id: <20180607123849.14439-10-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180607123849.14439-1-qi.z.zhang@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH 09/22] net/e1000: enable port detach on secondary process 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" Previously, detach port on secondary process will mess primary process and cause same device can't be attached again, by take advantage of rte_eth_release_port_local, we can support this with minor change. Signed-off-by: Qi Zhang --- drivers/net/e1000/em_ethdev.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c index 7039dc100..e626cb10c 100644 --- a/drivers/net/e1000/em_ethdev.c +++ b/drivers/net/e1000/em_ethdev.c @@ -349,6 +349,15 @@ static int eth_em_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, static int eth_em_pci_remove(struct rte_pci_device *pci_dev) { + struct rte_eth_dev *ethdev = + rte_eth_dev_allocated(pci_dev->device.name); + + if (!ethdev) + return -ENODEV; + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return rte_eth_dev_release_port_local(ethdev); + return rte_eth_dev_pci_generic_remove(pci_dev, eth_em_dev_uninit); }