From patchwork Mon Jul 9 03:36:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zhang X-Patchwork-Id: 42583 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 08DA41B3B4; Mon, 9 Jul 2018 05:36:56 +0200 (CEST) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 274F51B1C3 for ; Mon, 9 Jul 2018 05:36:44 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jul 2018 20:36:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,328,1526367600"; d="scan'208";a="243632736" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by fmsmga005.fm.intel.com with ESMTP; 08 Jul 2018 20:36:41 -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: Mon, 9 Jul 2018 11:36:54 +0800 Message-Id: <20180709033706.27858-8-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180709033706.27858-1-qi.z.zhang@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180709033706.27858-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v10 07/19] net/i40e: enable hotplug 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 a secondary process will mess primary process and cause the same device can't be attached back again. A secondary process should use rte_eth_release_port_private to release a port. Signed-off-by: Qi Zhang --- drivers/net/i40e/i40e_ethdev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 13c5d3296..7d1f98422 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -678,6 +678,8 @@ static int eth_i40e_pci_remove(struct rte_pci_device *pci_dev) if (!ethdev) return -ENODEV; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return rte_eth_dev_release_port_private(ethdev); if (ethdev->data->dev_flags & RTE_ETH_DEV_REPRESENTOR) return rte_eth_dev_destroy(ethdev, i40e_vf_representor_uninit);