From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by dpdk.org (Postfix) with ESMTP id 5310BB568 for ; Thu, 19 Feb 2015 11:42:06 +0100 (CET) Received: by padet14 with SMTP id et14so8515454pad.11 for ; Thu, 19 Feb 2015 02:42:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=IYPTnL6qf0WgymwQ3TFIXNx5jBEE2QPutupI7hpVQKY=; b=AT/7Rg0XS4DZFRm4j0FAckxej/PTiCAQ9GuWJBjYanqfifEdnwkKbIG8RfeRiherD1 cu6SJ5tgoFrkoqWjEPNhBNIJDaCmlmlnNItdhBP+fK6p4xSkQ8gjfzVfElEsebN5XgLF Uc2LzXEcxw+epISbw+qjQ6B2lWDnUa1AZ6qXD+ktajzW2MCegnYeWHF8OWcIpL7VY0Ln h7phzFQtZrNtdvAurMyvFwvboGykD6r86KRG/KNQM3phK/7tdz6LOX1tbKf1s7GM+w04 kGqivedGT2+goX6vK++Qv1YQQSSaHm4E+/OmWg/1vQn5ZOo40/IqNHf5ZHWd7QBiWfNJ RWAg== X-Gm-Message-State: ALoCoQn7CUNJhfUwf3kninRIQK91LSE8FeUgTKaOk0L7mQw20z61vAZgMUUdT2/I0RRzAHpA0Rxo X-Received: by 10.66.141.109 with SMTP id rn13mr6324327pab.113.1424342525687; Thu, 19 Feb 2015 02:42:05 -0800 (PST) Received: from localhost.localdomain (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id ii3sm5248291pac.22.2015.02.19.02.42.03 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 19 Feb 2015 02:42:04 -0800 (PST) From: Tetsuya Mukawa To: dev@dpdk.org Date: Thu, 19 Feb 2015 19:41:50 +0900 Message-Id: <1424342510-1107-2-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1424342510-1107-1-git-send-email-mukawa@igel.co.jp> References: <1424060349-23693-1-git-send-email-mukawa@igel.co.jp> <1424342510-1107-1-git-send-email-mukawa@igel.co.jp> Subject: [dpdk-dev] [PATCH v9 2/2] librte_pmd_null: Support port hotplug function 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, 19 Feb 2015 10:42:06 -0000 This patch adds port hotplug support to Null PMD. v9: - Use rte_eth_dev_release_port() instead of rte_eth_dev_free(). v7: - Add parameter checkings. (Thanks to Iremonger, Bernard) v6: - Fix a parameter of rte_eth_dev_free(). v4: - Fix commit title. Signed-off-by: Tetsuya Mukawa --- lib/librte_pmd_null/rte_eth_null.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/lib/librte_pmd_null/rte_eth_null.c b/lib/librte_pmd_null/rte_eth_null.c index 779db63..5cf40f4 100644 --- a/lib/librte_pmd_null/rte_eth_null.c +++ b/lib/librte_pmd_null/rte_eth_null.c @@ -336,6 +336,13 @@ eth_stats_reset(struct rte_eth_dev *dev) } } +static struct eth_driver rte_null_pmd = { + .pci_drv = { + .name = "rte_null_pmd", + .drv_flags = RTE_PCI_DRV_DETACHABLE, + }, +}; + static void eth_queue_release(void *q) { @@ -429,10 +436,12 @@ eth_dev_null_create(const char *name, data->nb_tx_queues = (uint16_t)nb_tx_queues; data->dev_link = pmd_link; data->mac_addrs = ð_addr; + strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name)); eth_dev->data = data; eth_dev->dev_ops = &ops; eth_dev->pci_dev = pci_dev; + eth_dev->driver = &rte_null_pmd; /* finally assign rx and tx ops */ if (packet_copy) { @@ -532,10 +541,36 @@ rte_pmd_null_devinit(const char *name, const char *params) return eth_dev_null_create(name, numa_node, packet_size, packet_copy); } +static int +rte_pmd_null_devuninit(const char *name) +{ + struct rte_eth_dev *eth_dev = NULL; + + if (name == NULL) + return -EINVAL; + + RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n", + rte_socket_id()); + + /* reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocated(name); + if (eth_dev == NULL) + return -1; + + rte_free(eth_dev->data->dev_private); + rte_free(eth_dev->data); + rte_free(eth_dev->pci_dev); + + rte_eth_dev_release_port(eth_dev); + + return 0; +} + static struct rte_driver pmd_null_drv = { .name = "eth_null", .type = PMD_VDEV, .init = rte_pmd_null_devinit, + .uninit = rte_pmd_null_devuninit, }; PMD_REGISTER_DRIVER(pmd_null_drv); -- 1.9.1