From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id D88911B8C6 for ; Thu, 21 Jun 2018 04:01:53 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jun 2018 19:00:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,249,1526367600"; d="scan'208";a="64993913" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by fmsmga004.fm.intel.com with ESMTP; 20 Jun 2018 19:00:50 -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, 21 Jun 2018 10:00:52 +0800 Message-Id: <20180621020059.1198-16-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180621020059.1198-1-qi.z.zhang@intel.com> References: <20180607123849.14439-1-qi.z.zhang@intel.com> <20180621020059.1198-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2 15/22] net/kni: 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: , X-List-Received-Date: Thu, 21 Jun 2018 02:01:54 -0000 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_private, we can support this with minor change. Signed-off-by: Qi Zhang --- drivers/net/kni/rte_eth_kni.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c index ab63ea427..e5679c76a 100644 --- a/drivers/net/kni/rte_eth_kni.c +++ b/drivers/net/kni/rte_eth_kni.c @@ -419,6 +419,7 @@ eth_kni_probe(struct rte_vdev_device *vdev) } /* TODO: request info from primary to set up Rx and Tx */ eth_dev->dev_ops = ð_kni_ops; + eth_dev->device = &vdev->device; rte_eth_dev_probing_finish(eth_dev); return 0; } @@ -463,6 +464,16 @@ eth_kni_remove(struct rte_vdev_device *vdev) if (eth_dev == NULL) return -1; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + /* detach device on local pprocess only */ + if (strlen(rte_vdev_device_args(vdev)) == 0) + return rte_eth_dev_release_port_private(eth_dev); + /** + * else this is a private device for current process + * so continue with normal detach scenario + */ + } + eth_kni_dev_stop(eth_dev); internals = eth_dev->data->dev_private; -- 2.13.6