From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 2CDDC1B3A2 for ; Mon, 9 Jul 2018 05:36:52 +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 20:36:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,328,1526367600"; d="scan'208";a="243632775" Received: from dpdk51.sh.intel.com ([10.67.110.190]) by fmsmga005.fm.intel.com with ESMTP; 08 Jul 2018 20:36:50 -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: Mon, 9 Jul 2018 11:36:59 +0800 Message-Id: <20180709033706.27858-13-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 12/19] net/null: 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: , X-List-Received-Date: Mon, 09 Jul 2018 03:36:52 -0000 Attach port from secondary should ignore devargs since the private device is not necessary to support. Also 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/null/rte_eth_null.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/null/rte_eth_null.c b/drivers/net/null/rte_eth_null.c index 1d2e6b9e9..4d5989bd1 100644 --- a/drivers/net/null/rte_eth_null.c +++ b/drivers/net/null/rte_eth_null.c @@ -614,8 +614,7 @@ rte_pmd_null_probe(struct rte_vdev_device *dev) params = rte_vdev_device_args(dev); PMD_LOG(INFO, "Initializing pmd_null for %s", name); - if (rte_eal_process_type() == RTE_PROC_SECONDARY && - strlen(params) == 0) { + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { eth_dev = rte_eth_dev_attach_secondary(name); if (!eth_dev) { PMD_LOG(ERR, "Failed to probe %s", name); @@ -623,6 +622,7 @@ rte_pmd_null_probe(struct rte_vdev_device *dev) } /* TODO: request info from primary to set up Rx and Tx */ eth_dev->dev_ops = &ops; + eth_dev->device = &dev->device; rte_eth_dev_probing_finish(eth_dev); return 0; } @@ -667,18 +667,24 @@ static int rte_pmd_null_remove(struct rte_vdev_device *dev) { struct rte_eth_dev *eth_dev = NULL; + const char *name; if (!dev) return -EINVAL; + name = rte_vdev_device_name(dev); + PMD_LOG(INFO, "Closing null ethdev on numa socket %u", rte_socket_id()); /* find the ethdev entry */ - eth_dev = rte_eth_dev_allocated(rte_vdev_device_name(dev)); + eth_dev = rte_eth_dev_allocated(name); if (eth_dev == NULL) return -1; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return rte_eth_dev_release_port_private(eth_dev); + rte_free(eth_dev->data->dev_private); rte_eth_dev_release_port(eth_dev); -- 2.13.6