From patchwork Tue Dec 9 03:42:27 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tetsuya Mukawa X-Patchwork-Id: 1830 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 30ADD8052; Tue, 9 Dec 2014 04:43:22 +0100 (CET) Received: from mail-pd0-f180.google.com (mail-pd0-f180.google.com [209.85.192.180]) by dpdk.org (Postfix) with ESMTP id 774578043 for ; Tue, 9 Dec 2014 04:43:18 +0100 (CET) Received: by mail-pd0-f180.google.com with SMTP id w10so3347275pde.39 for ; Mon, 08 Dec 2014 19:43:17 -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=EUv5Ra5osb1d87+k0ob4/dUF82Dj0h7ckmEXEru3ZGg=; b=duCtU2n9LumKXkwEKedFYeUqw1T0uitecgFjkleY8MvsLrUS1PNMIynkjly+c6BxCN dQYg6iXc2bhvfN0Qi852cXeaPuHS6C/PlZGCwxYWp5+5m7ZvWHcj8EGq22hrOYRG0AH7 Xo/GiUutemyk6C0AbUY8Blp8H742hTJSLPe2CrCpvLX6ECV1o6zydaV6Oq5kyDKWQNau o2Wg7vzZ/RJXPyPJVFQVkF3M3r/l3h5jabnJb2duspWLA9y5pIEd6vXAkv9fAAY3Ziii bcycum4I0RaVp8LFaOjcuPPpdOt8u81CKEjQIZGM62h6RBRQA2ctBjda5nBXfElXhGIx /WAw== X-Gm-Message-State: ALoCoQkeB27AJsXRl0oCmBdOAOHfiuysCbBdgEtRf4j0Vu/Gxxa5M4hdvPBsg1XKctAWgn97G+ks X-Received: by 10.66.232.168 with SMTP id tp8mr1391950pac.132.1418096597503; Mon, 08 Dec 2014 19:43:17 -0800 (PST) Received: from eris.hq.igel.co.jp (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id xx2sm2185pab.17.2014.12.08.19.43.15 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 08 Dec 2014 19:43:17 -0800 (PST) From: Tetsuya Mukawa To: dev@dpdk.org Date: Tue, 9 Dec 2014 12:42:27 +0900 Message-Id: <1418096571-27531-5-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1418096571-27531-1-git-send-email-mukawa@igel.co.jp> References: <1416474399-16851-1-git-send-email-mukawa@igel.co.jp> <1418096571-27531-1-git-send-email-mukawa@igel.co.jp> Cc: nakajima.yoshihiro@lab.ntt.co.jp, menrigh@brocade.com, masutani.hitoshi@lab.ntt.co.jp Subject: [dpdk-dev] [PATCH v2 04/28] 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 a attached status of the device that has specified name. Signed-off-by: Tetsuya Mukawa --- lib/librte_ether/rte_ethdev.c | 17 +++++++++++++++++ lib/librte_ether/rte_ethdev.h | 11 +++++++++++ 2 files changed, 28 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 9f713ae..d5fdb03 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -260,6 +260,23 @@ rte_eth_dev_allocate(const char *name) return eth_dev; } +struct rte_eth_dev * +rte_eth_dev_free(const char *name) +{ + struct rte_eth_dev *eth_dev; + + eth_dev = rte_eth_dev_allocated(name); + if (eth_dev == NULL) { + PMD_DEBUG_TRACE("Ethernet Device with name %s doesn't exist!\n", + name); + return NULL; + } + + eth_dev->attached = 0; + nb_ports--; + return eth_dev; +} + 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 257de86..fb1caea 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1653,6 +1653,17 @@ 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 and returns the pointer to that slot. + * + * @param name Unique identifier name for each Ethernet device + * @return + * - Slot in the rte_dev_devices array for the freed device; + */ +struct rte_eth_dev *rte_eth_dev_free(const char *name); + struct eth_driver; /** * @internal