From patchwork Mon Feb 16 04:14:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tetsuya Mukawa X-Patchwork-Id: 3367 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 44555B5AF; Mon, 16 Feb 2015 05:15:05 +0100 (CET) Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by dpdk.org (Postfix) with ESMTP id 3E20EB589 for ; Mon, 16 Feb 2015 05:14:59 +0100 (CET) Received: by pdev10 with SMTP id v10so32432550pde.10 for ; Sun, 15 Feb 2015 20:14:58 -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:in-reply-to:references; bh=mol5fHDHV/DwNMZtjjAAwhkkdGi91ID9bgjvngugXGs=; b=ARaW/0CSCe6d+iWbAkDyqR1m8i5Ju2+rFCyzhl4GgH/Z3U37Nfq8YhEaz13KFdSBvb DJRgJyYY9GcIriO8s5UDiQ4HFzBf/C5448QIC7U4HdJpB+faHbKEWTknyFe/Kl9fNZSj QeaIa8N+3V3sBlYQdg2VAZTcQdAble1lhIirtZpTSIizFNFLOY7zAXfpjF+A2eGZPETN q9pYxByNLFKGnJJfcjglgZEyw5lNcVdwPZL031zGe8kCGfLv0fQj9HBPhX29eO2bDaqH C7EZx5fYrH3XihLv59qoOdb+FrJYZgat7lb0kc2nEhAgbqmiWTNQtjiuPu3ftxQCwmdC vqYQ== X-Gm-Message-State: ALoCoQmHgc0q5JxHUVMebzxlW0K511hLqa0SR5YRagUhbDrPeWqC3N8qjx2l9EYsRj0B2Wwhu73N X-Received: by 10.70.100.4 with SMTP id eu4mr35182960pdb.113.1424060098659; Sun, 15 Feb 2015 20:14:58 -0800 (PST) Received: from localhost.localdomain (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id qj3sm13272395pac.31.2015.02.15.20.14.56 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 15 Feb 2015 20:14:58 -0800 (PST) From: Tetsuya Mukawa To: dev@dpdk.org Date: Mon, 16 Feb 2015 13:14:24 +0900 Message-Id: <1424060073-23484-6-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1424060073-23484-1-git-send-email-mukawa@igel.co.jp> References: <1423470639-15744-2-git-send-email-mukawa@igel.co.jp> <1424060073-23484-1-git-send-email-mukawa@igel.co.jp> In-Reply-To: <1423470639-15744-2-git-send-email-mukawa@igel.co.jp> References: <1423470639-15744-2-git-send-email-mukawa@igel.co.jp> Subject: [dpdk-dev] [PATCH v8 05/14] ethdev: Add rte_eth_dev_free to free specified device 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds rte_eth_dev_free(). The function is used for changing an attached status of the device that has specified name. v6: - Use rte_eth_dev structure as the paramter of rte_eth_dev_free(). v4: - Add parameter checking. Signed-off-by: Tetsuya Mukawa Acked-by: Bernard Iremonger --- lib/librte_ether/rte_ethdev.c | 11 +++++++++++ lib/librte_ether/rte_ethdev.h | 14 ++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index a79fa5b..2463d18 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -260,6 +260,17 @@ rte_eth_dev_allocate(const char *name) return eth_dev; } +int +rte_eth_dev_free(struct rte_eth_dev *eth_dev) +{ + if (eth_dev == NULL) + return -EINVAL; + + eth_dev->attached = 0; + nb_ports--; + return 0; +} + static int rte_eth_dev_init(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index ca101f5..fbe7ac1 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1627,6 +1627,20 @@ extern uint8_t rte_eth_dev_count(void); */ struct rte_eth_dev *rte_eth_dev_allocate(const char *name); +/** + * Function for internal use by dummy drivers primarily, e.g. ring-based + * driver. + * Free the specified ethdev. + * + * @param eth_dev + * The *eth_dev* pointer is the address of the *rte_eth_dev* structure + * associated with the matching device and which have been [automatically] + * allocated in the *rte_eth_devices* array. + * @return + * - 0 on success, negative on error + */ +int rte_eth_dev_free(struct rte_eth_dev *eth_dev); + struct eth_driver; /** * @internal