From patchwork Wed Oct 29 08:49:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tetsuya Mukawa X-Patchwork-Id: 1008 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 B90D97FDD; Wed, 29 Oct 2014 09:41:32 +0100 (CET) Received: from mail-pd0-f181.google.com (mail-pd0-f181.google.com [209.85.192.181]) by dpdk.org (Postfix) with ESMTP id E608D7FDB for ; Wed, 29 Oct 2014 09:41:24 +0100 (CET) Received: by mail-pd0-f181.google.com with SMTP id y10so2548093pdj.40 for ; Wed, 29 Oct 2014 01:50:15 -0700 (PDT) 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=T4rlYEPdgqksPzL1gmu8KZCxI5B7ccT6WnL/SZASPi4=; b=Zz7jnRnAQHZAcN/FW7NBh8pX2RPK2EYN3S+UBoaqgplwAWN/3iZrWbUAm+/2180LAH YLUn8yd1kMOVGL1GfLKrSxXsDxXdycD3D99fTbPCjTZylNeKWyPu8ma47JqeRgP+kpqC 9OfCPWqwt9fhzKEHxLAYP/HhOKznJRBibIUcWV/yrWb2DJc++DsW31wxMkjP/JVbcQ/H rcbgtFYc7j3FIiaI0eaM1GYgUFWnZ60uSx+7/Bxfxlu87/UFdxKXw7hZsm/ULmif5Q2P PTz9gj2HnzYtJS2hV2yNb2CDQKsn1xvGQHFXJUVqN35ty4oJmx/nRRHI61WxLM8ph0xV NMUQ== X-Gm-Message-State: ALoCoQl+YGIIj9jj9DK9t0Akwaav98mHfBUG4It5VHWl6qGs1FZQ3FiFEeXrUcBF3BmOpCvbefcH X-Received: by 10.66.138.47 with SMTP id qn15mr9167602pab.82.1414572614976; Wed, 29 Oct 2014 01:50:14 -0700 (PDT) Received: from eris.hq.igel.co.jp (napt.igel.co.jp. [219.106.231.132]) by mx.google.com with ESMTPSA id ky4sm3686872pbc.55.2014.10.29.01.50.12 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 29 Oct 2014 01:50:14 -0700 (PDT) From: Tetsuya Mukawa To: dev@dpdk.org Date: Wed, 29 Oct 2014 17:49:19 +0900 Message-Id: <1414572576-21371-9-git-send-email-mukawa@igel.co.jp> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1414572576-21371-1-git-send-email-mukawa@igel.co.jp> References: <1414572576-21371-1-git-send-email-mukawa@igel.co.jp> Cc: nakajima.yoshihiro@lab.ntt.co.jp, masutani.hitoshi@lab.ntt.co.jp Subject: [dpdk-dev] [RFC PATCH 08/25] ethdev: Add rte_eth_dev_get_addr_by_port 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" The function returns a pci address of a ethdev specified by port identifier. Signed-off-by: Tetsuya Mukawa --- lib/librte_ether/rte_ethdev.c | 12 ++++++++++++ lib/librte_ether/rte_ethdev.h | 13 +++++++++++++ 2 files changed, 25 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index d296285..c04061d 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -422,6 +422,18 @@ rte_eth_dev_get_changed_port(struct rte_eth_dev *devs, uint8_t *port_id) return 1; } +int +rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr) +{ + if (rte_eth_dev_validate_port(port_id)) { + PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id); + return 1; + } + + *addr = rte_eth_devices[port_id].pci_dev->addr; + return 0; +} + static int rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues) { diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 106ba5c..e87e7cc 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1639,6 +1639,19 @@ extern int rte_eth_dev_get_changed_port( struct rte_eth_dev *devs, uint8_t *port_id); /** + * Function for internal use by port hotplug functions. + * Returns a pci address of a ethdev specified by port identifier. + * @param port_id + * The port identifier of the Ethernet device + * @param addr + * The pointer to the pci address + * @return + * - 0 on success, negative on error + */ +extern int rte_eth_dev_get_addr_by_port( + uint8_t port_id, struct rte_pci_addr *addr); + +/** * Function for internal use by dummy drivers primarily, e.g. ring-based * driver. * Allocates a new ethdev slot for an ethernet device and returns the pointer